*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #f4f7f6;
            color: #1e2a2f;
            line-height: 1.7;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #c96b2e;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0f4c3a;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: #0f2c22;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.75rem;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            margin-bottom: 0.6rem;
            border-bottom: 3px solid #e67e22;
            padding-bottom: 0.3rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
            margin-bottom: 0.4rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            margin-bottom: 0.3rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0a1f18 0%, #14362a 100%);
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f9c74f;
            text-decoration: none;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #e67e22;
            font-size: 2rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            color: #b8d4c8;
            font-weight: 400;
            display: block;
            line-height: 1;
            letter-spacing: 0.3px;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #f9c74f;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.6rem 1.2rem;
            flex-wrap: wrap;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem 1rem;
            flex-wrap: wrap;
            padding: 0;
        }
        .nav-list a {
            color: #e2efe9;
            font-weight: 500;
            font-size: 0.92rem;
            padding: 0.3rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-list a:hover {
            color: #f9c74f;
            border-bottom-color: #f9c74f;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
        }
        .breadcrumbs {
            background: #e8f0ec;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            color: #3e5a4e;
        }
        .breadcrumbs a {
            color: #0f4c3a;
        }
        .breadcrumbs span {
            margin: 0 0.3rem;
        }
        .hero {
            background: linear-gradient(120deg, #0f2c22, #1a4a3a);
            color: #fff;
            padding: 2.5rem 0 2rem;
            text-align: center;
            margin-bottom: 1.5rem;
        }
        .hero h1 {
            color: #f9c74f;
            font-size: 2.8rem;
            margin-bottom: 0.4rem;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 750px;
            margin: 0.5rem auto 0;
            color: #d4e8df;
        }
        .hero .update-badge {
            display: inline-block;
            background: #e67e22;
            padding: 0.2rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #0f2c22;
            margin-top: 0.6rem;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 0 0 2.5rem;
        }
        .main-content {
            background: #fff;
            padding: 2rem 2.2rem;
            border-radius: 16px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.04);
        }
        .sidebar {
            background: #fff;
            padding: 1.6rem 1.4rem;
            border-radius: 16px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.04);
            align-self: start;
            position: sticky;
            top: 5.5rem;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            color: #0f2c22;
            border-bottom: 2px solid #e67e22;
            padding-bottom: 0.3rem;
            margin-bottom: 1rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #edf2ef;
        }
        .sidebar li a {
            font-weight: 500;
        }
        .featured-img {
            margin: 1.8rem 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
        }
        .featured-img img {
            width: 100%;
            object-fit: cover;
            min-height: 220px;
            background: #cbdcd2;
        }
        .featured-img figcaption {
            background: #f0f5f2;
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
            color: #3e5a4e;
            font-style: italic;
        }
        .form-section {
            background: #f6fbf9;
            padding: 1.8rem 2rem;
            border-radius: 14px;
            margin: 2.5rem 0 1.5rem;
            border: 1px solid #d9e6df;
        }
        .form-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #0f2c22;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.25rem;
            font-size: 0.9rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 0.9rem;
            border: 1px solid #cbdcd2;
            border-radius: 8px;
            font-size: 0.95rem;
            background: #fff;
            transition: 0.2s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #e67e22;
            box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.15);
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .btn {
            background: #0f4c3a;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #e67e22;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(230, 126, 34, 0.25);
        }
        .btn i {
            font-size: 1rem;
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: 0.2s;
            color: #ccc;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f9c74f;
        }
        .site-footer {
            background: #0a1f18;
            color: #c2d9ce;
            padding: 2.2rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 1.8rem;
        }
        .site-footer h4 {
            color: #f9c74f;
            margin-bottom: 0.8rem;
            font-weight: 600;
        }
        .site-footer a {
            color: #b8d4c8;
        }
        .site-footer a:hover {
            color: #f9c74f;
        }
        .friend-link {
            display: block;
            padding: 0.25rem 0;
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #2a4a3e;
            padding-top: 1.2rem;
            margin-top: 0.8rem;
            text-align: center;
            font-size: 0.85rem;
            color: #8aa89b;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .main-content {
                order: 1;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-wrap {
                flex-basis: 100%;
                flex-direction: column;
                align-items: flex-start;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease, opacity 0.25s ease, padding 0.25s ease;
                opacity: 0;
                padding: 0;
            }
            .nav-wrap.open {
                max-height: 600px;
                opacity: 1;
                padding: 0.8rem 0 0.4rem;
            }
            .nav-list {
                flex-direction: column;
                width: 100%;
                gap: 0.2rem 0;
            }
            .nav-list a {
                display: block;
                padding: 0.5rem 0.2rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .main-content {
                padding: 1.2rem 1rem;
            }
            .form-section {
                padding: 1.2rem 1rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .hero {
                padding: 1.8rem 0 1.2rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        .highlight {
            background: #fef3e0;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .tag {
            display: inline-block;
            background: #e8f0ec;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.78rem;
            color: #0f4c3a;
            font-weight: 500;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        th,
        td {
            padding: 0.6rem 0.8rem;
            text-align: left;
            border-bottom: 1px solid #dee8e2;
        }
        th {
            background: #0f2c22;
            color: #f9c74f;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f6fbf9;
        }
        .blockquote {
            background: #f0f5f2;
            border-left: 5px solid #e67e22;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
        }
        .blockquote cite {
            display: block;
            margin-top: 0.4rem;
            font-weight: 600;
            font-style: normal;
            color: #0f4c3a;
        }
        .emoji-lg {
            font-size: 1.3rem;
        }
        .flex-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            margin: 1.2rem 0;
            background: #f6fbf9;
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
        }
        .stat-item {
            flex: 1 1 140px;
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #e67e22;
            display: block;
            line-height: 1.1;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: #3e5a4e;
            font-weight: 500;
        }