*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1e3a2f;
            --primary-light: #2d5a4b;
            --accent: #f5b342;
            --accent-hover: #e09e30;
            --bg: #f4f7f2;
            --card-bg: #ffffff;
            --text: #1a1a1a;
            --text-light: #4a5a55;
            --border: #d0ddd5;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --radius: 16px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--primary);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: var(--accent);
            padding: 4px 18px 4px 14px;
            border-radius: 40px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: transform var(--transition);
            text-decoration: none !important;
        }
        .my-logo i {
            font-size: 1.4rem;
            color: var(--primary);
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #fff;
            text-decoration: none;
        }
        .my-logo span {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e8f0ec;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            background: rgba(255, 255, 255, 0.15);
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb {
            padding: 10px 0 6px;
            font-size: 0.82rem;
            color: var(--text-light);
            background: transparent;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 6px 0 2px;
            color: var(--text-light);
            opacity: 0.6;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb .current {
            color: var(--text-light);
            font-weight: 500;
        }
        .main-content {
            padding: 30px 0 60px;
        }
        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 36px 32px 44px;
            margin-bottom: 40px;
        }
        .article-card h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .article-card h1 i {
            color: var(--accent);
        }
        .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 2px solid var(--bg);
        }
        .meta-line i {
            margin-right: 6px;
            color: var(--accent);
        }
        .article-card h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 48px;
            margin-bottom: 14px;
            padding-bottom: 6px;
            border-bottom: 3px solid var(--accent);
            display: inline-block;
        }
        .article-card h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-top: 32px;
            margin-bottom: 10px;
        }
        .article-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin-top: 22px;
            margin-bottom: 6px;
            padding-left: 12px;
            border-left: 4px solid var(--accent);
        }
        .article-card p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .article-card p strong {
            color: var(--primary);
        }
        .article-card ul,
        .article-card ol {
            margin: 12px 0 20px 24px;
        }
        .article-card li {
            margin-bottom: 6px;
        }
        .article-card .highlight-box {
            background: #f0f7f3;
            border-left: 6px solid var(--accent);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .article-card .highlight-box i {
            color: var(--accent);
            margin-right: 10px;
        }
        .featured-image {
            margin: 28px 0 32px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            font-size: 0.85rem;
            color: var(--text-light);
            padding: 10px 16px;
            background: #f0f5f1;
            text-align: center;
        }
        .search-section {
            margin: 32px 0 20px;
        }
        .search-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            max-width: 560px;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border var(--transition);
            background: #fff;
        }
        .search-form input:focus {
            border-color: var(--accent);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 40px 0 20px;
        }
        .interact-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 24px 26px;
            border: 1px solid var(--border);
        }
        .interact-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            color: var(--primary);
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 12px;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border var(--transition);
            background: #fff;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            border-color: var(--accent);
        }
        .interact-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interact-card .btn-submit {
            padding: 10px 22px;
            background: var(--accent);
            color: var(--primary);
            border: none;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition);
            align-self: flex-start;
        }
        .interact-card .btn-submit:hover {
            background: var(--accent-hover);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent);
        }
        .site-footer {
            background: var(--primary);
            color: #e8f0ec;
            padding: 36px 0 20px;
            margin-top: 20px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
        }
        .footer-inner h4 {
            color: var(--accent);
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .footer-inner p,
        .footer-inner a {
            font-size: 0.9rem;
            color: #c8ddd0;
        }
        .footer-inner a:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            margin-top: 8px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            font-size: 0.85rem;
        }
        .copyright {
            text-align: center;
            padding-top: 24px;
            margin-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.82rem;
            color: #a0b8ac;
        }
        .copyright strong {
            color: var(--accent);
        }
        @media (max-width: 820px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: var(--primary-light);
                padding: 12px 16px;
                border-radius: var(--radius);
                margin-top: 6px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 14px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .nav-menu a:last-child {
                border-bottom: none;
            }
            .article-card {
                padding: 24px 16px;
            }
            .article-card h1 {
                font-size: 1.8rem;
            }
            .article-card h2 {
                font-size: 1.4rem;
            }
            .article-card h3 {
                font-size: 1.15rem;
            }
            .interact-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .article-card h1 {
                font-size: 1.5rem;
            }
            .meta-line {
                flex-direction: column;
                gap: 6px;
            }
            .my-logo {
                font-size: 1.4rem;
                padding: 2px 14px 2px 10px;
            }
            .my-logo i {
                font-size: 1rem;
            }
        }
        .section-anchor {
            scroll-margin-top: 100px;
        }
        .small-note {
            font-size: 0.8rem;
            color: var(--text-light);
            opacity: 0.8;
        }