* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: #f4f6fa;
            color: #1a1a2e;
            line-height: 1.75;
        }
        a {
            color: #e94560;
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: #c23152;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0f3460, #16213e);
            padding: 18px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
            position: sticky;
            top: 0;
            z-index: 999;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffd700;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: linear-gradient(45deg, #ffd700, #ffaa00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: .85;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        nav {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        nav a {
            color: #e0e0e0;
            padding: 8px 14px;
            border-radius: 6px;
            font-size: .9rem;
            font-weight: 600;
            transition: background .2s, color .2s;
        }
        nav a:hover {
            background: rgba(255, 255, 255, .1);
            color: #ffd700;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            color: #fff;
            cursor: pointer;
            background: none;
            border: none;
            padding: 8px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 10px;
            }
            nav.open {
                display: flex;
            }
        }
        .breadcrumb {
            background: #f4f6fa;
            padding: 10px 0;
            font-size: .85rem;
            border-bottom: 1px solid #e0e0e0;
        }
        .breadcrumb a {
            color: #0f3460;
        }
        .breadcrumb span {
            color: #888;
        }
        main {
            padding: 30px 0;
        }
        .post-content {
            background: #fff;
            border-radius: 12px;
            padding: 35px 40px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, .04);
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.2rem;
            color: #0f3460;
            line-height: 1.3;
            margin-bottom: 15px;
            border-left: 5px solid #ffd700;
            padding-left: 18px;
        }
        h2 {
            font-size: 1.7rem;
            color: #16213e;
            margin-top: 40px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f0f0f0;
        }
        h3 {
            font-size: 1.3rem;
            color: #0f3460;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        h4 {
            font-size: 1.05rem;
            color: #16213e;
            margin-top: 18px;
            font-weight: 700;
        }
        p {
            margin-bottom: 16px;
            font-size: 1rem;
        }
        .highlight-box {
            background: #f8f9fc;
            border-left: 4px solid #ffd700;
            padding: 18px 20px;
            margin: 20px 0;
            border-radius: 8px;
            font-style: italic;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: .92rem;
        }
        .data-table th {
            background: #0f3460;
            color: #fff;
            padding: 12px 15px;
            text-align: left;
        }
        .data-table td {
            padding: 10px 15px;
            border-bottom: 1px solid #eee;
        }
        .data-table tr:hover {
            background: #f8f9fc;
        }
        .emoji-icon {
            font-size: 1.2rem;
            margin-right: 6px;
        }
        .image-container {
            margin: 25px 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .08);
        }
        .image-container .caption {
            font-size: .85rem;
            color: #666;
            margin-top: 8px;
            font-style: italic;
        }
        .form-section {
            background: #f8f9fc;
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
            border: 1px solid #e8e8e8;
        }
        .form-section h3 {
            margin-top: 0;
            color: #0f3460;
        }
        .form-section input,
        .form-section textarea,
        .form-section select {
            width: 100%;
            padding: 12px;
            margin: 10px 0;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: .95rem;
        }
        .form-section button {
            background: #0f3460;
            color: #fff;
            border: none;
            padding: 12px 30px;
            border-radius: 6px;
            font-size: 1rem;
            cursor: pointer;
            font-weight: 600;
            transition: background .2s;
        }
        .form-section button:hover {
            background: #e94560;
        }
        .search-box {
            display: flex;
            gap: 10px;
            margin: 20px 0;
        }
        .search-box input {
            flex: 1;
        }
        .rating-stars {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            color: #ffd700;
            cursor: pointer;
            margin: 10px 0;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .comment-list {
            margin-top: 15px;
        }
        .comment-item {
            background: #fff;
            border-radius: 8px;
            padding: 15px;
            margin: 10px 0;
            border: 1px solid #eee;
        }
        .comment-item .author {
            font-weight: 700;
            color: #0f3460;
        }
        .comment-item .date {
            font-size: .8rem;
            color: #999;
        }
        footer {
            background: #0f3460;
            color: #ccc;
            padding: 30px 0 20px;
            margin-top: 40px;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: #ffd700;
            margin-bottom: 12px;
        }
        .footer-section a {
            color: #ccc;
            display: block;
            margin: 6px 0;
        }
        .footer-section a:hover {
            color: #ffd700;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            font-size: .85rem;
            color: #aaa;
            max-width: 1200px;
            margin: 20px auto 0;
        }
        friend-link {
            display: block;
            padding: 8px 0;
            border-bottom: 1px dotted #444;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #0f3460;
            color: #fff;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 15px rgba(0, 0, 0, .2);
            cursor: pointer;
            z-index: 99;
            transition: transform .2s;
        }
        .back-to-top:hover {
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .post-content {
                padding: 20px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 480px) {
            .header-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .search-box {
                flex-direction: column;
            }
        }