*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.75;
            color: #1e1e2a;
            background: #faf9f7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #1a6b8a;
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s;
        }
        a:hover {
            color: #0a3d4f;
            text-decoration-thickness: 2px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f1a2e;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.9rem;
            border-bottom: 3px solid #d4a02b;
            padding-bottom: 0.3rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d2d3f;
        }
        strong {
            font-weight: 700;
            color: #0f1a2e;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #0f1a2e 0%, #1a2a44 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5d742;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            color: #f5d742;
        }
        .my-logo i {
            font-size: 1.4rem;
            color: #f5d742;
        }
        .my-logo small {
            font-size: 0.6rem;
            font-weight: 400;
            color: #bcc8e0;
            letter-spacing: 0.5px;
            display: block;
            line-height: 1;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e6edf7;
            text-decoration: none;
            padding: 0.4rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(245, 215, 66, 0.2);
            color: #f5d742;
        }
        .main-nav a.active {
            background: #f5d742;
            color: #0f1a2e;
        }
        .breadcrumb-wrap {
            background: #f0ede8;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e0dbd2;
        }
        .breadcrumb-wrap nav {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb-wrap ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-wrap li {
            margin: 0;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .breadcrumb-wrap li+li::before {
            content: "›";
            color: #9a8e82;
            font-size: 1.2rem;
            margin-right: 0.3rem;
        }
        .breadcrumb-wrap a {
            color: #1a6b8a;
            text-decoration: none;
        }
        .breadcrumb-wrap a:hover {
            text-decoration: underline;
        }
        .breadcrumb-wrap .current {
            color: #4d4d5c;
            font-weight: 500;
        }
        .search-section {
            background: #fff;
            padding: 1.5rem 0;
            border-bottom: 1px solid #e6e2dc;
        }
        .search-form {
            display: flex;
            max-width: 640px;
            margin: 0 auto;
            gap: 8px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d4cfc7;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
            background: #fcfcfc;
        }
        .search-form input[type="text"]:focus {
            border-color: #1a6b8a;
        }
        .search-form button {
            padding: 0.8rem 1.8rem;
            background: #0f1a2e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1a2a44;
            transform: scale(1.02);
        }
        .hero-image-wrap {
            margin: 2rem 0 1.5rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #e6e2dc;
            position: relative;
        }
        .hero-image-wrap img {
            width: 100%;
            max-height: 520px;
            object-fit: cover;
            border-radius: 16px;
        }
        .hero-image-wrap .img-caption {
            padding: 0.8rem 1.2rem;
            background: rgba(15, 26, 46, 0.85);
            color: #f0ede8;
            font-size: 0.9rem;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            border-radius: 0 0 16px 16px;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0 3rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.8rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #edeae4;
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #d4a02b;
            padding-bottom: 0.4rem;
            display: inline-block;
            margin-bottom: 0.8rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0ede8;
            margin: 0;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            color: #1a6b8a;
            text-decoration: none;
            font-weight: 500;
        }
        .sidebar-card a:hover {
            text-decoration: underline;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 12px;
            border: 1px solid #e6e2dc;
            background: #fff;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 540px;
        }
        th {
            background: #0f1a2e;
            color: #f5d742;
            padding: 0.9rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #edeae4;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:nth-child(even) {
            background: #f9f8f6;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem;
            border: 1px solid #edeae4;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.6rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #d4cfc7;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.3s;
            background: #fcfcfc;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #1a6b8a;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            padding: 0.7rem 1.6rem;
            background: #d4a02b;
            color: #0f1a2e;
            font-weight: 700;
            border: none;
            border-radius: 40px;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 1rem;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: #c08e1f;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #d4cfc7;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label {
            color: #f5c518;
        }
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5c518;
        }
        .site-footer {
            background: #0f1a2e;
            color: #d6dce8;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 4px solid #d4a02b;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f5d742;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #bcc8e0;
            text-decoration: none;
        }
        .footer-inner a:hover {
            color: #f5d742;
            text-decoration: underline;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
            margin: 0.5rem 0 0;
        }
        .footer-inner li {
            margin-bottom: 0.4rem;
        }
        friend-link {
            display: block;
            margin-top: 1rem;
            padding: 1rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            padding: 0.2rem 0;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            font-size: 0.85rem;
            color: #9aa8be;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 1.2rem;
        }
        .copyright strong {
            color: #e6edf7;
        }
        @media (max-width: 900px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 1rem 0 0.5rem;
                gap: 0.3rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 10px;
                width: 100%;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .hero-image-wrap .img-caption {
                position: relative;
                background: #0f1a2e;
                border-radius: 0 0 16px 16px;
            }
            .table-wrap table {
                font-size: 0.85rem;
            }
            th,
            td {
                padding: 0.6rem 0.7rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo small {
                font-size: 0.5rem;
            }
            .sidebar-card {
                padding: 1rem;
            }
        }
        .last-updated {
            display: inline-block;
            background: #f0ede8;
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #4d4d5c;
            margin-bottom: 1rem;
        }
        .last-updated i {
            margin-right: 6px;
            color: #1a6b8a;
        }
        .highlight-box {
            background: #f6f3ee;
            border-left: 5px solid #d4a02b;
            padding: 1.2rem 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .btn-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            background: #0f1a2e;
            color: #f5d742;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: transform 0.2s, background 0.2s;
            z-index: 999;
            border: none;
            cursor: pointer;
        }
        .btn-top:hover {
            transform: translateY(-4px);
            background: #1a2a44;
        }
        @media (max-width: 480px) {
            .btn-top {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
                bottom: 16px;
                right: 16px;
            }
        }
        .faq-item {
            margin-bottom: 1rem;
            border-bottom: 1px solid #edeae4;
            padding-bottom: 0.8rem;
        }
        .faq-item strong {
            display: block;
            font-size: 1.05rem;
            margin-bottom: 0.2rem;
        }
        .toc-list {
            background: #f9f8f6;
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            margin: 1.2rem 0;
            border: 1px solid #e6e2dc;
        }
        .toc-list ol {
            margin: 0;
            padding-left: 1.2rem;
        }
        .toc-list li {
            margin-bottom: 0.3rem;
        }
        .toc-list a {
            text-decoration: none;
            font-weight: 500;
        }