*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #2e2e2e;
            background: #f7f4ef;
        }
        a {
            color: #1a6d3c;
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: #e94560;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(26, 26, 46, .95);
            backdrop-filter: blur(8px);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 15px rgba(0, 0, 0, .15);
            padding: 12px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, .4);
            transition: transform .3s;
        }
        .my-logo:hover {
            transform: scale(1.04);
            text-decoration: none;
        }
        .my-logo i {
            color: #4caf50;
            margin-right: 6px;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }
        .nav-menu a {
            color: #d1d1e0;
            font-weight: 600;
            font-size: .95rem;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background .2s, color .2s;
        }
        .nav-menu a:hover {
            color: #fff;
            background: rgba(76, 175, 80, .3);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: #fff;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 10px 0;
            font-size: .88rem;
            color: #777;
            background: transparent;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #1a6d3c;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #aaa;
        }
        .hero {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            color: #fff;
            padding: 60px 20px;
            text-align: center;
            border-radius: 0 0 40px 40px;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.08"><rect width="10" height="10" fill="%234caf50"/><rect x="20" y="20" width="10" height="10" fill="%23fff"/><rect x="40" y="40" width="10" height="10" fill="%23e94560"/><rect x="60" y="60" width="10" height="10" fill="%234caf50"/></svg>') repeat;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            margin-bottom: 15px;
            line-height: 1.2;
            position: relative;
            z-index: 1;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 750px;
            margin: 0 auto;
            opacity: .9;
            position: relative;
            z-index: 1;
        }
        .main-wrap {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding: 40px 0;
        }
        @media(min-width:992px) {
            .main-wrap {
                grid-template-columns: 1fr 320px;
            }
        }
        .article-content {
            background: #fff;
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.1rem;
            margin-bottom: 15px;
            color: #1a1a2e;
            border-bottom: 3px solid #4caf50;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar a {
            color: #444;
            display: block;
            padding: 5px 0;
            font-size: .9rem;
        }
        .sidebar a:hover {
            color: #1a6d3c;
            padding-left: 6px;
            text-decoration: none;
        }
        h2 {
            font-size: 1.8rem;
            color: #1a1a2e;
            margin: 40px 0 16px;
            padding-bottom: 10px;
            border-bottom: 3px solid #4caf50;
            position: relative;
        }
        h2::before {
            content: '◆';
            color: #4caf50;
            margin-right: 10px;
            font-size: 1.2rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #2e2e5e;
            margin: 28px 0 10px;
        }
        h4 {
            font-size: 1.1rem;
            color: #444;
            margin: 20px 0 8px;
            font-weight: 600;
        }
        p {
            margin-bottom: 15px;
            font-size: 1rem;
        }
        .featured-img {
            margin: 30px 0;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, .1);
        }
        figure {
            margin: 24px 0;
        }
        figcaption {
            font-size: .85rem;
            color: #777;
            text-align: center;
            margin-top: 6px;
            font-style: italic;
        }
        .tip-box {
            background: #e8f5e9;
            border-left: 4px solid #4caf50;
            padding: 16px 18px;
            border-radius: 0 8px 8px 0;
            margin: 24px 0;
        }
        .tip-box i {
            color: #2e7d32;
            margin-right: 8px;
        }
        .callout {
            background: #fff8e1;
            border-left: 4px solid #ffc107;
            padding: 16px 18px;
            border-radius: 0 8px 8px 0;
            margin: 24px 0;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: .95rem;
        }
        .data-table th,
        .data-table td {
            border: 1px solid #e0e0e0;
            padding: 12px;
            text-align: left;
        }
        .data-table th {
            background: #1a1a2e;
            color: #fff;
            font-weight: 600;
        }
        .data-table tr:nth-child(even) {
            background: #f9f9f9;
        }
        .tag {
            display: inline-block;
            background: #e8f5e9;
            color: #1a6d3c;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: .8rem;
            margin: 3px 2px;
        }
        .review-section {
            background: #fafafa;
            border-radius: 12px;
            padding: 28px;
            margin: 40px 0 0;
            border: 1px solid #eee;
        }
        .review-section h3 {
            margin-bottom: 15px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 5px;
            font-size: .95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: .95rem;
            transition: border-color .2s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #4caf50;
        }
        .btn {
            display: inline-block;
            background: #1a6d3c;
            color: #fff;
            padding: 10px 24px;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s;
        }
        .btn:hover {
            background: #155a31;
        }
        .site-footer {
            background: #1a1a2e;
            color: #bbb;
            padding: 40px 20px 20px;
            margin-top: 60px;
            border-radius: 30px 30px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-links a {
            display: block;
            color: #999;
            margin-bottom: 8px;
            font-size: .9rem;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: #4caf50;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 18px;
            text-align: center;
            font-size: .85rem;
            color: #888;
        }
        friend-link {
            display: block;
            padding: 20px;
            background: #16213e;
            border-radius: 10px;
            margin: 20px 0;
            font-size: .9rem;
        }
        friend-link a {
            color: #7ed392;
            margin: 0 8px;
        }
        @media(max-width:768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0;
                background: #1a1a2e;
                padding: 15px 20px;
                border-radius: 0 0 12px 12px;
            }
            .nav-menu.show {
                display: flex;
            }
            .article-content {
                padding: 20px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .sidebar {
                position: static;
            }
        }
