*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f7f3e9;
            color: #2c2c2c;
            line-height: 1.7;
            font-size: 1.05rem;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #a3321f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #1e3a5f 0%, #0f2b44 100%);
            padding: 18px 0;
            border-bottom: 4px solid #f5b041;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f5b041, #f7dc6f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: #f5b041;
            font-size: 2.4rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #f0ebd8;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 40px;
            transition: all 0.25s ease;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }
        .main-nav a:hover {
            background: rgba(245, 176, 65, 0.2);
            color: #f5b041;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.9rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #f5b041;
            color: #f5b041;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: rgba(245, 176, 65, 0.15);
        }
        .breadcrumb {
            background: #e8e0d5;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d6ccbe;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #7f6b5d;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #4a3728;
        }
        .breadcrumb a:hover {
            color: #c44536;
        }
        .breadcrumb .current {
            color: #1e3a5f;
            font-weight: 600;
        }
        main {
            padding: 40px 0 60px;
        }
        .page-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-body h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #1e3a5f;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .article-body .subhead {
            font-size: 1.2rem;
            color: #5a4a3a;
            border-left: 4px solid #f5b041;
            padding-left: 20px;
            margin-bottom: 28px;
            font-weight: 400;
        }
        .article-body h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1e3a5f;
            margin-top: 48px;
            margin-bottom: 16px;
            border-bottom: 3px solid #f5b041;
            padding-bottom: 8px;
        }
        .article-body h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2c3e50;
            margin-top: 32px;
            margin-bottom: 10px;
        }
        .article-body h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3d2b1f;
            margin-top: 20px;
            margin-bottom: 8px;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #3d3d3d;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 22px 28px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body strong {
            color: #1e3a5f;
            font-weight: 700;
        }
        .article-body .highlight-box {
            background: #eef6fb;
            border-left: 6px solid #1e3a5f;
            padding: 20px 24px;
            border-radius: 8px;
            margin: 24px 0;
        }
        .article-body .highlight-box i {
            color: #1e3a5f;
            margin-right: 8px;
        }
        .featured-image {
            margin: 32px 0;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: #6b5b4b;
            margin-top: 10px;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            margin-bottom: 28px;
            border: 1px solid #e8e0d5;
        }
        .sidebar-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #1e3a5f;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3 i {
            color: #f5b041;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
            border-bottom: 1px dashed #ede5d9;
            padding-bottom: 10px;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .sidebar-card ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a i {
            font-size: 0.8rem;
            color: #c44536;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #d6ccbe;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
            background: #faf7f2;
        }
        .search-form input:focus {
            border-color: #1e3a5f;
            background: #fff;
        }
        .search-form button {
            background: #1e3a5f;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0 22px;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #2c4e7a;
            transform: scale(1.02);
        }
        .feedback-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 3px solid #e8e0d5;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .feedback-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 28px 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #ede5d9;
        }
        .feedback-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #1e3a5f;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card h3 i {
            color: #f5b041;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 16px;
            border: 2px solid #d6ccbe;
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
            background: #faf7f2;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #1e3a5f;
            background: #fff;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #c44536;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 14px 24px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .feedback-card .btn-submit:hover {
            background: #a3321f;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(196, 69, 54, 0.3);
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            color: #d6ccbe;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating i {
            transition: 0.15s;
        }
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: #f5b041;
        }
        .site-footer {
            background: #0f2b44;
            color: #e0d6c8;
            padding: 48px 0 28px;
            margin-top: 40px;
            border-top: 4px solid #f5b041;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-inner h4 {
            color: #f5b041;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-inner p,
        .footer-inner li {
            font-size: 0.95rem;
            color: #cbbeb0;
        }
        .footer-inner ul {
            list-style: none;
        }
        .footer-inner ul li {
            margin-bottom: 8px;
        }
        .footer-inner ul li a {
            color: #cbbeb0;
        }
        .footer-inner ul li a:hover {
            color: #f5b041;
        }
        friend-link {
            display: block;
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }
        friend-link a {
            color: #f5b041;
            font-weight: 600;
            margin: 0 6px;
        }
        friend-link a:hover {
            color: #f7dc6f;
        }
        .copyright {
            text-align: center;
            font-size: 0.9rem;
            color: #a89988;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .copyright strong {
            color: #e0d6c8;
        }
        .last-updated {
            background: #1a3a5a;
            display: inline-block;
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #f5b041;
            margin-top: 12px;
        }
        @media (max-width: 992px) {
            .page-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #0f2b44;
                padding: 18px 12px;
                border-radius: 12px;
                margin-top: 12px;
                gap: 6px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: 8px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.7rem;
            }
            .article-body h1 {
                font-size: 2rem;
            }
            .article-body h2 {
                font-size: 1.6rem;
            }
            .article-body h3 {
                font-size: 1.25rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .article-body h1 {
                font-size: 1.7rem;
            }
            .feedback-card {
                padding: 18px 14px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                padding: 12px;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #1e3a5f;
            color: #f5b041;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: 0.25s;
            border: none;
            cursor: pointer;
            z-index: 999;
        }
        .scroll-top:hover {
            background: #f5b041;
            color: #1e3a5f;
            transform: translateY(-4px);
        }