* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #004e8c;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #cc5500;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
            margin: 0.8rem 0;
        }
        li {
            margin-bottom: 0.3rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #0b1a2b;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.2rem;
            border-left: 5px solid #cc5500;
            padding-left: 1rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #dce3ed;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.1rem;
            color: #2c4a6e;
        }
        p {
            margin: 0.7rem 0 0.9rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 32px rgba(0, 20, 40, 0.08);
            border-radius: 20px;
            padding: 20px 28px 30px;
            margin-top: 16px;
            margin-bottom: 40px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 16px 0;
            border-bottom: 2px solid #e8edf4;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(145deg, #003b66, #0077be);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            font-size: 1.8rem;
            background: none;
            -webkit-text-fill-color: #cc5500;
            color: #cc5500;
        }
        .my-logo small {
            font-size: 0.75rem;
            font-weight: 400;
            -webkit-text-fill-color: #4a6a8a;
            color: #4a6a8a;
            letter-spacing: 0.3px;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #003b66;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e8edf4;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 16px;
            align-items: center;
        }
        .main-nav a {
            font-weight: 600;
            padding: 6px 8px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
            color: #1e3a5f;
        }
        .main-nav a:hover {
            background: #e8edf4;
            color: #cc5500;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 4px;
            font-size: 0.9rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 12px 0 6px 0;
            margin: 0;
            font-size: 0.92rem;
            color: #5a6f84;
        }
        .breadcrumb li {
            margin: 0 4px 0 0;
        }
        .breadcrumb li+li::before {
            content: "▸";
            margin: 0 8px 0 4px;
            color: #b0c4d8;
        }
        .breadcrumb a {
            color: #2c5a7a;
        }
        .breadcrumb a:hover {
            color: #cc5500;
        }
        .hero-image-wrap {
            margin: 20px 0 24px 0;
            border-radius: 18px;
            overflow: hidden;
            background: #eef3f9;
            text-align: center;
            position: relative;
        }
        .hero-image-wrap img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            border-radius: 18px;
        }
        .hero-image-wrap .img-credit {
            font-size: 0.75rem;
            color: #6a7f94;
            padding: 6px 12px 10px 12px;
            background: #f0f4fa;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
            margin-top: 20px;
        }
        .content-main {
            min-width: 0;
        }
        .content-sidebar {
            border-left: 1px solid #e0e7ef;
            padding-left: 28px;
        }
        .sidebar-section {
            background: #f8faff;
            border-radius: 16px;
            padding: 18px 20px;
            margin-bottom: 28px;
            border: 1px solid #e8edf6;
        }
        .sidebar-section h4 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 1px solid #dce3ed;
            padding-bottom: 6px;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-link-list li {
            padding: 5px 0;
            border-bottom: 1px dashed #e8edf6;
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }
        .sidebar-link-list a i {
            font-size: 0.8rem;
            color: #cc5500;
            width: 18px;
        }
        .highlight-box {
            background: #f0f7fe;
            border-left: 5px solid #cc5500;
            padding: 16px 22px;
            border-radius: 12px;
            margin: 1.5rem 0;
        }
        .highlight-box p {
            margin: 0.3rem 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.6rem 0;
            border-radius: 12px;
            border: 1px solid #e0e7ef;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 480px;
        }
        th,
        td {
            padding: 10px 14px;
            text-align: left;
            border-bottom: 1px solid #e8edf6;
        }
        th {
            background: #eef3f9;
            font-weight: 700;
            color: #0b1a2b;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f5f9ff;
        }
        .form-section {
            background: #f8faff;
            border: 1px solid #e0e7ef;
            border-radius: 16px;
            padding: 22px 26px;
            margin: 2rem 0 1.2rem 0;
        }
        .form-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin: 12px 0;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid #cbd5e1;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            background: #ffffff;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #0077be;
            box-shadow: 0 0 0 3px rgba(0, 119, 190, 0.15);
            outline: none;
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #004e8c;
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .btn:hover {
            background: #cc5500;
            transform: translateY(-2px);
            color: #fff;
            text-decoration: none;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #004e8c;
            color: #004e8c;
        }
        .btn-outline:hover {
            background: #004e8c;
            color: #fff;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            cursor: pointer;
            color: #d0d8e4;
            transition: color 0.15s;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #ffb347;
            transform: scale(1.1);
        }
        .site-footer {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 3px solid #e0e7ef;
            font-size: 0.92rem;
            color: #3a4a5e;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        .footer-grid h4 {
            margin-top: 0;
            font-size: 1.05rem;
        }
        friend-link {
            display: block;
            background: #f0f4fa;
            border-radius: 14px;
            padding: 16px 20px;
            margin: 16px 0 10px 0;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            font-weight: 500;
        }
        .copyright {
            text-align: center;
            padding: 18px 0 6px 0;
            border-top: 1px solid #e0e7ef;
            margin-top: 20px;
            font-size: 0.88rem;
            color: #5a6f84;
        }
        .copyright i {
            color: #cc5500;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .content-sidebar {
                border-left: none;
                padding-left: 0;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .sidebar-section {
                margin-bottom: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 14px 16px 24px;
                border-radius: 14px;
            }
            .site-header {
                padding: 8px 0 12px 0;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo small {
                font-size: 0.65rem;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #f8faff;
                border-radius: 14px;
                padding: 12px 16px;
                margin-top: 8px;
                border: 1px solid #e0e7ef;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 8px;
                border-bottom: 1px solid #e8edf6;
                width: 100%;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            h1 {
                font-size: 1.7rem;
                padding-left: 0.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .content-sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-image-wrap img {
                max-height: 220px;
            }
            .table-wrap table {
                font-size: 0.85rem;
            }
            .form-section {
                padding: 16px 16px;
            }
            .star-rating {
                font-size: 1.4rem;
            }
            friend-link a {
                display: block;
                margin: 6px 0;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 10px 12px 18px;
            }
            h1 {
                font-size: 1.4rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        .text-muted {
            color: #5a6f84;
            font-size: 0.92rem;
        }
        .flex-space-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .gap-8 {
            gap: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mb-8 {
            margin-bottom: 8px;
        }
        .fw-700 {
            font-weight: 700;
        }
        .last-updated {
            font-size: 0.88rem;
            color: #5a6f84;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .last-updated i {
            color: #cc5500;
        }