* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
            padding: 0 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            border-radius: 24px;
            padding: 20px 28px 40px;
        }
        header {
            padding: 20px 0 12px;
            border-bottom: 2px solid #eef2f7;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .my-logo {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #0b3b5c, #1a6b8a, #2a9d8f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            background: linear-gradient(135deg, #f4a261, #e76f51);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 30px;
        }
        .my-logo span {
            font-weight: 300;
            font-size: 14px;
            letter-spacing: 2px;
            background: none;
            -webkit-text-fill-color: #5a6a7a;
            color: #5a6a7a;
            margin-left: 4px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            color: #0b3b5c;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #eef2f7;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 18px;
            transition: all 0.3s ease;
        }
        .main-nav a {
            text-decoration: none;
            color: #2d3e50;
            font-weight: 500;
            font-size: 14.5px;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            letter-spacing: 0.3px;
        }
        .main-nav a:hover {
            color: #1a6b8a;
            border-bottom-color: #2a9d8f;
        }
        .main-nav a.active {
            color: #0b3b5c;
            border-bottom-color: #e76f51;
        }
        .breadcrumb {
            padding: 14px 0 10px;
            font-size: 13px;
            color: #5a6a7a;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 10px;
            align-items: center;
            border-bottom: 1px solid #eef2f7;
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: #1a6b8a;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #8a9aa8;
        }
        h1 {
            font-size: 36px;
            font-weight: 800;
            color: #0b3b5c;
            margin: 8px 0 20px;
            line-height: 1.2;
            letter-spacing: -0.3px;
        }
        h2 {
            font-size: 26px;
            font-weight: 700;
            color: #0b3b5c;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #eef2f7;
            line-height: 1.3;
        }
        h3 {
            font-size: 20px;
            font-weight: 600;
            color: #1a4a6a;
            margin: 28px 0 12px;
            line-height: 1.4;
        }
        h4 {
            font-size: 17px;
            font-weight: 600;
            color: #2d5a7a;
            margin: 20px 0 8px;
            line-height: 1.4;
        }
        p {
            margin-bottom: 16px;
            color: #2a3a4a;
            letter-spacing: 0.2px;
        }
        .highlight {
            background: linear-gradient(120deg, #fdf2e9 0%, #fdf2e9 40%, #fff6eb 100%);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
            color: #b45a3a;
        }
        .stat-box {
            background: #f0f4fa;
            border-left: 5px solid #2a9d8f;
            padding: 18px 22px;
            border-radius: 12px;
            margin: 20px 0;
            font-size: 15px;
        }
        .stat-box strong {
            color: #0b3b5c;
        }
        ul,
        ol {
            margin: 12px 0 20px 24px;
            color: #2a3a4a;
        }
        li {
            margin-bottom: 8px;
        }
        .img-wrapper {
            margin: 28px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #f0f4fa;
            text-align: center;
        }
        .img-wrapper img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
            display: block;
        }
        .img-wrapper .caption {
            padding: 12px 16px;
            font-size: 13px;
            color: #5a6a7a;
            background: #f8fafc;
            border-top: 1px solid #eef2f7;
        }
        .emoji-lg {
            font-size: 22px;
            margin-right: 6px;
        }
        .btn {
            display: inline-block;
            background: #0b3b5c;
            color: #fff;
            padding: 10px 28px;
            border-radius: 40px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            transition: 0.25s;
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background: #1a6b8a;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(26, 107, 138, 0.25);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #1a6b8a;
            color: #1a6b8a;
        }
        .btn-outline:hover {
            background: #1a6b8a;
            color: #fff;
        }
        .search-section {
            background: #f0f4fa;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 30px 0 40px;
        }
        .search-section form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 40px;
            border: 2px solid #dce4ed;
            font-size: 15px;
            outline: none;
            transition: 0.25s;
            background: #fff;
        }
        .search-section input[type="text"]:focus {
            border-color: #2a9d8f;
            box-shadow: 0 0 0 4px rgba(42, 157, 143, 0.12);
        }
        .search-section button {
            padding: 14px 32px;
            border-radius: 40px;
            border: none;
            background: #0b3b5c;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: 0.25s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-section button:hover {
            background: #1a6b8a;
            transform: translateY(-2px);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 36px 0 20px;
        }
        .card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 24px 26px;
            border: 1px solid #eef2f7;
            transition: 0.2s;
        }
        .card:hover {
            border-color: #d0dce8;
        }
        .card h3 {
            margin-top: 0;
            font-size: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .card textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: 2px solid #dce4ed;
            font-size: 14px;
            font-family: inherit;
            resize: vertical;
            min-height: 90px;
            outline: none;
            transition: 0.2s;
            margin: 10px 0 12px;
        }
        .card textarea:focus {
            border-color: #2a9d8f;
            box-shadow: 0 0 0 4px rgba(42, 157, 143, 0.08);
        }
        .card input[type="text"] {
            width: 100%;
            padding: 10px 16px;
            border-radius: 12px;
            border: 2px solid #dce4ed;
            font-size: 14px;
            outline: none;
            transition: 0.2s;
            margin: 6px 0 10px;
        }
        .card input[type="text"]:focus {
            border-color: #2a9d8f;
        }
        .card .btn {
            font-size: 13px;
            padding: 8px 24px;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 8px 0 12px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 26px;
            color: #d0dce8;
            cursor: pointer;
            transition: 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f4a261;
        }
        .star-rating input:checked+label {
            color: #e76f51;
        }
        friend-link {
            display: block;
            background: #f0f4fa;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 40px 0 20px;
            font-style: normal;
        }
        friend-link h3 {
            margin: 0 0 14px;
            font-size: 18px;
            color: #0b3b5c;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }
        friend-link ul li a {
            color: #1a6b8a;
            text-decoration: none;
            font-weight: 500;
            font-size: 14px;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        friend-link ul li a:hover {
            border-bottom-color: #2a9d8f;
            color: #0b3b5c;
        }
        footer {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 2px solid #eef2f7;
            text-align: center;
            font-size: 13px;
            color: #5a6a7a;
        }
        footer .copyright {
            font-size: 13px;
            padding: 12px 0 4px;
            letter-spacing: 0.3px;
        }
        footer .copyright strong {
            color: #0b3b5c;
        }
        .last-updated {
            display: inline-block;
            background: #eef2f7;
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 13px;
            color: #4a5a6a;
            margin: 8px 0 16px;
        }
        .last-updated i {
            margin-right: 6px;
            color: #2a9d8f;
        }
        @media (max-width: 768px) {
            .container {
                padding: 12px 14px 30px;
                border-radius: 16px;
            }
            h1 {
                font-size: 26px;
            }
            h2 {
                font-size: 21px;
            }
            h3 {
                font-size: 18px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0 8px;
                gap: 4px;
                border-top: 1px solid #eef2f7;
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 0;
                font-size: 15px;
                width: 100%;
                border-bottom: 1px solid #f0f4fa;
            }
            .hamburger {
                display: block;
            }
            header {
                align-items: center;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 4px 8px;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="text"] {
                width: 100%;
                min-width: unset;
            }
            .search-section button {
                width: 100%;
                justify-content: center;
            }
            .stat-box {
                padding: 14px 16px;
            }
            .card {
                padding: 18px 16px;
            }
            friend-link ul {
                flex-direction: column;
                gap: 6px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 8px 10px 24px;
            }
            h1 {
                font-size: 22px;
            }
            .my-logo {
                font-size: 20px;
            }
            .my-logo span {
                font-size: 11px;
            }
            .img-wrapper {
                border-radius: 10px;
            }
            .btn {
                padding: 8px 20px;
                font-size: 13px;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        a {
            color: #1a6b8a;
        }
        a:hover {
            color: #0b3b5c;
        }
        blockquote {
            border-left: 4px solid #2a9d8f;
            padding: 12px 20px;
            margin: 20px 0;
            background: #f8fafc;
            border-radius: 8px;
            font-style: italic;
            color: #2d4a5a;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
            border-radius: 12px;
            overflow: hidden;
        }
        table th {
            background: #0b3b5c;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        table td {
            padding: 10px 16px;
            border-bottom: 1px solid #eef2f7;
        }
        table tr:nth-child(even) {
            background: #f8fafc;
        }
        table tr:hover {
            background: #eef2f7;
        }
        .tag {
            display: inline-block;
            background: #eef2f7;
            padding: 2px 12px;
            border-radius: 40px;
            font-size: 12px;
            font-weight: 500;
            color: #2d5a7a;
            margin: 2px 4px 2px 0;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 20px 0;
        }
        @media (max-width: 640px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }