* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        }
        :root {
            --primary: #0a1f3d;
            --secondary: #c9a84c;
            --accent: #e63946;
            --bg: #f5f7fa;
            --text: #2d3436;
            --light: #ffffff;
            --gray: #dfe6e9;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --transition: all 0.3s ease;
        }
        body {
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background: var(--primary);
            color: var(--light);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px 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: var(--secondary);
            letter-spacing: 1px;
            text-transform: uppercase;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--light);
            transform: scale(1.02);
        }
        .my-logo span {
            color: var(--light);
            font-weight: 300;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-list a {
            color: var(--light);
            font-weight: 500;
            font-size: 15px;
            padding: 6px 10px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-list a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 28px;
            background: none;
            border: none;
            color: var(--light);
            cursor: pointer;
            padding: 4px 8px;
            transition: var(--transition);
        }
        .hamburger:hover {
            color: var(--secondary);
        }
        .breadcrumb {
            background: var(--light);
            padding: 12px 0;
            border-bottom: 1px solid var(--gray);
            font-size: 14px;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 8px;
            color: #888;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: #888;
            font-weight: 500;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .main-content h1 {
            font-size: 38px;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.25;
            font-weight: 800;
            border-left: 6px solid var(--secondary);
            padding-left: 20px;
        }
        .main-content h2 {
            font-size: 28px;
            color: var(--primary);
            margin-top: 48px;
            margin-bottom: 16px;
            font-weight: 700;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 8px;
        }
        .main-content h3 {
            font-size: 22px;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .main-content h4 {
            font-size: 18px;
            color: #1a3a5c;
            margin-top: 24px;
            margin-bottom: 8px;
            font-weight: 600;
            font-style: italic;
        }
        .main-content p {
            margin-bottom: 18px;
            font-size: 16px;
            color: #3d3d3d;
        }
        .main-content strong {
            color: var(--primary);
            font-weight: 700;
        }
        .main-content ul,
        .main-content ol {
            margin: 16px 0 24px 24px;
        }
        .main-content li {
            margin-bottom: 10px;
            font-size: 16px;
        }
        .main-content .highlight-box {
            background: var(--light);
            border-left: 6px solid var(--secondary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .main-content .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .main-content .emoji-lg {
            font-size: 24px;
            margin-right: 6px;
        }
        .featured-img {
            width: 100%;
            border-radius: var(--radius);
            margin: 28px 0;
            box-shadow: var(--shadow);
            max-height: 500px;
            object-fit: cover;
        }
        .img-caption {
            font-size: 14px;
            color: #888;
            text-align: center;
            margin-top: -18px;
            margin-bottom: 28px;
            font-style: italic;
        }
        .updated {
            display: inline-block;
            background: var(--primary);
            color: var(--light);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 14px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .updated i {
            margin-right: 8px;
        }
        .search-section {
            background: var(--light);
            padding: 28px 32px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 40px 0;
        }
        .search-section h3 {
            margin-top: 0;
            margin-bottom: 16px;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid var(--gray);
            border-radius: 8px;
            font-size: 16px;
            transition: var(--transition);
            outline: none;
        }
        .search-form input:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 4px rgba(201, 168, 76, 0.15);
        }
        .search-form button {
            padding: 14px 32px;
            background: var(--primary);
            color: var(--light);
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--accent);
            transform: translateY(-2px);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
        }
        .feedback-card {
            background: var(--light);
            padding: 28px 32px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .feedback-card h3 {
            margin-top: 0;
            margin-bottom: 16px;
            font-size: 22px;
        }
        .feedback-card label {
            display: block;
            font-weight: 600;
            margin: 14px 0 6px;
            font-size: 15px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--gray);
            border-radius: 8px;
            font-size: 15px;
            transition: var(--transition);
            outline: none;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 4px rgba(201, 168, 76, 0.12);
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            padding: 12px 32px;
            background: var(--primary);
            color: var(--light);
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 12px;
            width: 100%;
        }
        .feedback-card .btn-submit:hover {
            background: var(--accent);
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 28px;
            color: var(--gray);
            cursor: pointer;
            margin: 8px 0 12px;
        }
        .star-rating i {
            transition: var(--transition);
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: var(--secondary);
            transform: scale(1.1);
        }
        friend-link {
            display: block;
            background: var(--light);
            padding: 28px 32px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 40px 0 20px;
        }
        friend-link h3 {
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 16px;
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 8px;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }
        friend-link li {
            margin-bottom: 0;
        }
        friend-link a {
            color: var(--primary);
            font-weight: 500;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        friend-link a:hover {
            border-bottom-color: var(--secondary);
            color: var(--accent);
        }
        .footer {
            background: var(--primary);
            color: var(--light);
            padding: 32px 0 24px;
            margin-top: 20px;
            text-align: center;
        }
        .footer p {
            margin-bottom: 6px;
            font-size: 14px;
            opacity: 0.85;
        }
        .footer a {
            color: var(--secondary);
        }
        .footer a:hover {
            color: var(--light);
            text-decoration: underline;
        }
        .footer .copyright {
            font-size: 13px;
            opacity: 0.7;
            margin-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 6px;
                padding: 16px 0 8px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 12px;
            }
            .nav-list.active {
                display: flex;
            }
            .nav-list a {
                display: block;
                padding: 10px 12px;
                font-size: 16px;
            }
            .main-content h1 {
                font-size: 28px;
                padding-left: 14px;
            }
            .main-content h2 {
                font-size: 24px;
            }
            .main-content h3 {
                font-size: 20px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: auto;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 22px;
            }
            .breadcrumb ol {
                font-size: 13px;
                gap: 4px;
            }
            .container {
                padding: 0 14px;
            }
            friend-link ul {
                flex-direction: column;
                gap: 8px;
            }
            .feedback-card {
                padding: 20px;
            }
            .search-section {
                padding: 20px;
            }
            .star-rating {
                font-size: 24px;
            }
        }
        @media (max-width: 480px) {
            .main-content h1 {
                font-size: 24px;
            }
            .main-content h2 {
                font-size: 20px;
            }
            .main-content h3 {
                font-size: 18px;
            }
            .main-content p,
            .main-content li {
                font-size: 15px;
            }
            .my-logo {
                font-size: 18px;
            }
            .updated {
                font-size: 12px;
                padding: 4px 14px;
            }
        }
        ::selection {
            background: var(--secondary);
            color: var(--primary);
        }
        .main-content a {
            font-weight: 500;
            border-bottom: 1px dotted rgba(201, 168, 76, 0.4);
        }
        .main-content a:hover {
            border-bottom-color: var(--accent);
        }
        .btn-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary);
            color: var(--light);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            box-shadow: var(--shadow);
            cursor: pointer;
            transition: var(--transition);
            border: none;
            z-index: 999;
        }
        .btn-top:hover {
            background: var(--accent);
            transform: translateY(-4px);
        }
        @media (max-width: 768px) {
            .btn-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 18px;
            }
        }