*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a3c34;
            --primary-light: #2a5c4a;
            --secondary: #d4a843;
            --accent: #f4e4c1;
            --bg: #faf8f2;
            --bg-card: #ffffff;
            --text: #1e2a2a;
            --text-light: #4a5a5a;
            --border: #d0c8b8;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --radius: 12px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-bg: #0f2a24;
            --footer-bg: #0f2a24;
            --star: #f5b342;
            --meta: #6a7a7a;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding-top: 70px;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--header-bg);
            padding: 0 20px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: 1px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            font-size: 1.4rem;
        }
        .my-logo small {
            font-size: 0.65rem;
            font-weight: 400;
            color: var(--accent);
            display: block;
            line-height: 1;
            letter-spacing: 2px;
            opacity: 0.8;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo a:hover {
            color: var(--secondary);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 8px;
        }
        .nav-list li a {
            color: #eae0d0;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .nav-list li a:hover {
            background: rgba(212, 168, 67, 0.18);
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--accent);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .breadcrumb-wrap {
            background: var(--accent);
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            font-size: 0.85rem;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: var(--text-light);
            font-weight: 600;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--text-light);
            font-weight: 500;
        }
        .main-wrap {
            padding: 40px 0 60px;
        }
        .hero {
            text-align: center;
            padding: 30px 0 40px;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .hero h1 i {
            color: var(--secondary);
        }
        .hero .sub {
            font-size: 1.1rem;
            color: var(--meta);
            margin-top: 10px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero .update-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            margin-top: 14px;
            font-weight: 500;
        }
        .hero .update-badge i {
            margin-right: 6px;
        }
        .feature-img {
            margin: 30px auto;
            max-width: 800px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .feature-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .feature-img figcaption {
            padding: 10px 16px;
            background: var(--accent);
            font-size: 0.85rem;
            color: var(--text-light);
            text-align: center;
            font-style: italic;
        }
        .content {
            max-width: 860px;
            margin: 0 auto;
        }
        .content h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary);
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--secondary);
        }
        .content h2 i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 32px 0 12px;
        }
        .content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 8px;
        }
        .content p {
            margin-bottom: 16px;
            font-size: 1.02rem;
            color: var(--text);
        }
        .content p b,
        .content p strong {
            color: var(--primary);
        }
        .content ul,
        .content ol {
            margin: 12px 0 20px 24px;
        }
        .content li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .content .insight-box {
            background: var(--accent);
            border-left: 5px solid var(--secondary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .content .insight-box i {
            color: var(--secondary);
            margin-right: 6px;
        }
        .content .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .content .stat-card {
            background: var(--bg-card);
            padding: 18px 16px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            text-align: center;
            border: 1px solid var(--border);
        }
        .content .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
        }
        .content .stat-card .label {
            font-size: 0.85rem;
            color: var(--meta);
            margin-top: 4px;
        }
        .content a {
            color: var(--primary-light);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 2px;
            text-decoration-color: rgba(42, 92, 74, 0.3);
        }
        .content a:hover {
            color: var(--secondary);
            text-decoration-color: var(--secondary);
        }
        .search-section {
            margin: 40px 0;
            padding: 30px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input[type="text"]:focus {
            border-color: var(--secondary);
        }
        .search-form button {
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 40px 0;
        }
        .interaction-card {
            background: var(--bg-card);
            padding: 28px 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .interaction-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .interaction-card h3 i {
            color: var(--secondary);
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .interaction-card form input,
        .interaction-card form textarea {
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border 0.25s;
            background: var(--bg);
        }
        .interaction-card form input:focus,
        .interaction-card form textarea:focus {
            border-color: var(--secondary);
        }
        .interaction-card form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interaction-card form button {
            padding: 12px 24px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            align-self: flex-start;
        }
        .interaction-card form button:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ccc;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--star);
        }
        .score-display {
            margin-top: 10px;
            font-weight: 600;
            color: var(--primary);
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }
        .faq-item summary {
            font-weight: 600;
            cursor: pointer;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
        }
        .faq-item summary i {
            color: var(--secondary);
            font-size: 0.9rem;
        }
        .faq-item p {
            margin-top: 10px;
            padding-left: 24px;
        }
        .site-footer {
            background: var(--footer-bg);
            color: #cdc0b0;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        .site-footer h4 {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .site-footer a {
            color: #b8aa98;
        }
        .site-footer a:hover {
            color: var(--secondary);
        }
        .site-footer .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            list-style: none;
        }
        .site-footer .friend-links li a {
            font-size: 0.9rem;
        }
        .site-footer .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            margin-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #9a8e7e;
        }
        .site-footer .copyright i {
            color: var(--secondary);
        }
        @media (max-width: 820px) {
            .nav-list {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--header-bg);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 16px;
                font-size: 1rem;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .search-form input[type="text"] {
                min-width: 140px;
            }
        }
        @media (max-width: 480px) {
            body {
                padding-top: 62px;
            }
            .site-header {
                height: 62px;
                padding: 0 14px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo small {
                font-size: 0.55rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .content h2 {
                font-size: 1.4rem;
            }
            .content h3 {
                font-size: 1.15rem;
            }
            .content .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .interaction-card {
                padding: 20px 16px;
            }
            .search-section {
                padding: 20px 16px;
            }
            .search-form button {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
            .container {
                padding: 0 14px;
            }
        }
        .content p,
        .content li {
            line-height: 1.8;
        }
        .content .insight-box p:last-child {
            margin-bottom: 0;
        }
        ::selection {
            background: var(--secondary);
            color: #1a1a1a;
        }