*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f8f6f0;
            color: #1e2a2f;
            line-height: 1.7;
            font-size: 1.05rem;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #8b6508;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #1e3c2c, #2a5a3a);
            color: #f5efe0;
            padding: 1.2rem 0;
            border-bottom: 4px solid #b8860b;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5efe0;
            background: rgba(255, 255, 255, 0.08);
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            border: 2px solid #b8860b;
            text-shadow: 2px 2px 0 #1a2a1a;
            transition: 0.2s;
        }
        .my-logo:hover {
            background: #b8860b;
            color: #1e3c2c;
            text-decoration: none;
            border-color: #f5efe0;
        }
        .my-logo small {
            font-size: 0.65rem;
            font-weight: 300;
            opacity: 0.8;
            display: block;
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #f5efe0;
            font-weight: 500;
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            transition: 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: #b8860b;
            color: #1e3c2c;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #f5efe0;
            color: #f5efe0;
            font-size: 1.6rem;
            padding: 0.2rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: #b8860b;
            border-color: #b8860b;
            color: #1e3c2c;
        }
        .breadcrumb {
            background: #ece8df;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d6cebd;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a {
            color: #5a6b4a;
        }
        .breadcrumb a:hover {
            color: #b8860b;
        }
        .breadcrumb span {
            color: #3a4a3a;
        }
        .hero {
            background: linear-gradient(135deg, #2a5a3a 0%, #1e3c2c 100%);
            color: #f5efe0;
            padding: 2.8rem 0 2.2rem;
            text-align: center;
            border-bottom: 3px solid #b8860b;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            text-shadow: 2px 2px 0 #1a2a1a;
        }
        .hero h1 i {
            color: #e6c200;
        }
        .hero p {
            font-size: 1.1rem;
            max-width: 760px;
            margin: 0.8rem auto 0;
            opacity: 0.9;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .main-content {
            background: #fff;
            border-radius: 20px;
            padding: 2.2rem 2.5rem;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
        }
        .main-content h2 {
            font-size: 1.9rem;
            color: #1e3c2c;
            border-left: 5px solid #b8860b;
            padding-left: 1rem;
            margin: 2.2rem 0 1rem;
        }
        .main-content h2:first-of-type {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.4rem;
            color: #2a5a3a;
            margin: 1.8rem 0 0.6rem;
        }
        .main-content h4 {
            font-size: 1.15rem;
            color: #3a6a4a;
            margin: 1.4rem 0 0.4rem;
            font-weight: 600;
        }
        .main-content p {
            margin-bottom: 1.1rem;
        }
        .main-content ul,
        .main-content ol {
            margin: 0.6rem 0 1.2rem 1.6rem;
        }
        .main-content li {
            margin-bottom: 0.4rem;
        }
        .main-content .highlight {
            background: #f5f0e0;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .main-content .insight-box {
            background: #eaf4e4;
            border-left: 6px solid #b8860b;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.4rem 0;
        }
        .main-content .insight-box i {
            color: #b8860b;
            margin-right: 0.5rem;
        }
        .feature-img {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
        }
        .feature-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        .feature-img figcaption {
            background: #f5f0e0;
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #3a4a3a;
            text-align: center;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.4rem 1.6rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8e2d4;
        }
        .sidebar-card h3 {
            font-size: 1.15rem;
            color: #1e3c2c;
            border-bottom: 2px solid #b8860b;
            padding-bottom: 0.4rem;
            margin-bottom: 0.8rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 0.5rem;
        }
        .sidebar-card li a {
            display: block;
            padding: 0.3rem 0;
            border-bottom: 1px solid #f0ebe0;
            font-size: 0.92rem;
        }
        .sidebar-card li a:hover {
            color: #b8860b;
            padding-left: 4px;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.25rem;
            color: #1e3c2c;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.6rem 1rem;
            border: 2px solid #ddd6c8;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fcfaf5;
            transition: 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #b8860b;
            outline: none;
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.15);
        }
        .form-group textarea {
            min-height: 80px;
            resize: vertical;
        }
        .btn {
            background: #1e3c2c;
            color: #f5efe0;
            border: none;
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #b8860b;
            color: #1e3c2c;
        }
        .btn i {
            font-size: 0.9rem;
        }
        .star-rating {
            display: flex;
            gap: 0.2rem;
            font-size: 1.8rem;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd6c8;
            transition: 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #e6c200;
        }
        .comment-item {
            border-bottom: 1px solid #eee8dc;
            padding: 0.8rem 0;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-item strong {
            color: #1e3c2c;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #8a7a6a;
        }
        .site-footer {
            background: #1e3c2c;
            color: #ddd6c8;
            padding: 2rem 0 1.2rem;
            border-top: 4px solid #b8860b;
            margin-top: 2rem;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: #f5efe0;
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #cec0a8;
        }
        .site-footer a:hover {
            color: #e6c200;
        }
        friend-link {
            display: block;
            background: #2a5a3a;
            padding: 1.2rem 1.6rem;
            border-radius: 12px;
            margin-top: 1rem;
            border: 1px solid #3a6a4a;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.2rem 0.8rem;
            background: #1e3c2c;
            border-radius: 30px;
            font-size: 0.85rem;
            border: 1px solid #4a7a5a;
        }
        friend-link a:hover {
            background: #b8860b;
            border-color: #b8860b;
            color: #1e3c2c;
        }
        .copyright {
            text-align: center;
            border-top: 1px solid #2a5a3a;
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            font-size: 0.85rem;
            color: #8a9a7a;
            grid-column: 1 / -1;
        }
        @media (max-width: 992px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1e3c2c;
                padding: 1rem 0;
                border-radius: 0 0 16px 16px;
                margin-top: 0.8rem;
                border-top: 2px solid #b8860b;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1.2rem;
                width: 100%;
                text-align: center;
                border-bottom: 1px solid #2a5a3a;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .main-content {
                padding: 1.4rem 1.2rem;
            }
            .main-content h2 {
                font-size: 1.5rem;
            }
            .main-content h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
                padding: 0.2rem 1rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .container {
                padding: 0 12px;
            }
            .main-content {
                padding: 1rem 0.8rem;
                border-radius: 12px;
            }
            .star-rating {
                font-size: 1.4rem;
            }
        }