*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: #f5f7fa;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 16px;
            padding: 0 16px;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ff6f00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 24px;
        }
        li {
            margin-bottom: 6px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            color: #0b1e33;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.4em;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 3px solid #ff6f00;
            padding-bottom: 8px;
        }
        h3 {
            font-size: 1.3rem;
            color: #1f3a5f;
        }
        h4 {
            font-size: 1.1rem;
            color: #2c4a72;
        }
        p {
            margin-bottom: 1.2em;
        }
        hr {
            border: none;
            border-top: 2px dashed #ccd7e4;
            margin: 2.4em 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 20px;
            padding: 20px 28px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            margin-top: 20px;
            margin-bottom: 20px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 16px;
            border-bottom: 2px solid #e6edf5;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0b1e33, #ff6f00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-block;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .my-logo i {
            -webkit-text-fill-color: #ff6f00;
            margin-right: 6px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.92rem;
            color: #1e2a3a;
            background: #f0f4fa;
            transition: background 0.25s, transform 0.15s;
        }
        nav a:hover {
            background: #ff6f00;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 2rem;
            cursor: pointer;
            background: none;
            border: none;
            color: #0b1e33;
            padding: 4px 10px;
        }
        .nav-menu {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 12px 0 4px;
            font-size: 0.9rem;
            color: #5a6f84;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 10px;
            color: #ff6f00;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0057b3;
        }
        .search-wrap {
            background: #f0f4fa;
            border-radius: 40px;
            padding: 4px 4px 4px 20px;
            display: flex;
            max-width: 480px;
            margin: 24px 0 16px;
            border: 1px solid #d6e0eb;
            transition: box-shadow 0.2s;
        }
        .search-wrap:focus-within {
            box-shadow: 0 0 0 3px rgba(255, 111, 0, 0.25);
            border-color: #ff6f00;
        }
        .search-wrap input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 12px 0;
            font-size: 1rem;
            outline: none;
            color: #1e2a3a;
        }
        .search-wrap button {
            background: #ff6f00;
            border: none;
            color: #fff;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-wrap button:hover {
            background: #e05e00;
            transform: scale(1.02);
        }
        .featured-image {
            margin: 28px 0 30px;
            border-radius: 16px;
            overflow: hidden;
            background: #eef3f9;
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
            max-height: 460px;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            font-size: 0.9rem;
            color: #4a5f74;
            background: #f7faff;
            font-style: italic;
        }
        .content {
            padding: 8px 0 20px;
        }
        .content .highlight-box {
            background: #fef7ee;
            border-left: 6px solid #ff6f00;
            padding: 18px 24px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .content .highlight-box strong {
            color: #b34700;
        }
        .content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 28px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .content table th {
            background: #0b1e33;
            color: #fff;
            padding: 14px 18px;
            text-align: left;
            font-weight: 700;
        }
        .content table td {
            padding: 12px 18px;
            border-bottom: 1px solid #e6edf5;
            background: #fafcff;
        }
        .content table tr:last-child td {
            border-bottom: none;
        }
        .content table tr:hover td {
            background: #f5f8fe;
        }
        .btn {
            display: inline-block;
            background: #ff6f00;
            color: #fff;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 700;
            transition: background 0.2s, transform 0.1s;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }
        .btn:hover {
            background: #e05e00;
            transform: translateY(-2px);
            text-decoration: none;
            color: #fff;
        }
        .btn i {
            margin-right: 8px;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 32px 0 20px;
        }
        .feedback-card {
            background: #f7faff;
            border-radius: 16px;
            padding: 24px 28px;
            border: 1px solid #e6edf5;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid #d6e0eb;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.2s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #ff6f00;
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 111, 0, 0.12);
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .star-select {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d6e0eb;
            cursor: pointer;
        }
        .feedback-card .star-select i.active {
            color: #ff6f00;
        }
        .feedback-card .star-select i:hover {
            color: #ffa64d;
        }
        friend-link {
            display: block;
            padding: 20px 0 10px;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: #0b1e33;
        }
        friend-link ul {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            list-style: none;
            padding: 0;
            margin-top: 10px;
        }
        friend-link li a {
            background: #f0f4fa;
            padding: 6px 18px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.2s, color 0.2s;
        }
        friend-link li a:hover {
            background: #ff6f00;
            color: #fff;
            text-decoration: none;
        }
        footer {
            border-top: 2px solid #e6edf5;
            padding: 24px 0 12px;
            margin-top: 28px;
            font-size: 0.9rem;
            color: #4a5f74;
            text-align: center;
        }
        footer .copyright {
            font-weight: 600;
            color: #0b1e33;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 14px 16px;
                border-radius: 14px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 12px;
                background: #f7faff;
                padding: 12px 8px;
                border-radius: 16px;
                border: 1px solid #e6edf5;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 16px;
                border-radius: 12px;
            }
            header {
                flex-wrap: wrap;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .search-wrap {
                max-width: 100%;
                flex-wrap: wrap;
                padding: 4px 4px 4px 16px;
            }
            .search-wrap button {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
            .content table {
                font-size: 0.85rem;
            }
            .content table th,
            .content table td {
                padding: 10px 12px;
            }
            friend-link ul {
                flex-direction: column;
                gap: 8px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .container {
                padding: 10px 12px;
            }
            h1 {
                font-size: 1.4rem;
            }
            .feedback-card {
                padding: 16px 18px;
            }
        }
        .text-small {
            font-size: 0.85rem;
            color: #5a6f84;
        }
        .last-updated {
            background: #eef3f9;
            display: inline-block;
            padding: 4px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #1f3a5f;
            margin-bottom: 12px;
        }
        .tag {
            display: inline-block;
            background: #e6edf5;
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #1f3a5f;
            margin-right: 6px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .gap-4 {
            gap: 4px;
        }
        .mt-2 {
            margin-top: 20px;
        }
        .mb-1 {
            margin-bottom: 10px;
        }
        .icon-lg {
            font-size: 1.8rem;
            color: #ff6f00;
        }