*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
            background: #f4f1ea;
            color: #2c241a;
            line-height: 1.7;
            padding: 0;
        }
        a {
            color: #1a6b3c;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #b8860b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #1a3a2a 0%, #0f2b1e 100%);
            padding: 0.8rem 0;
            border-bottom: 4px solid #b8860b;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #f5e6c8;
            letter-spacing: 1px;
            text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            color: #d4a84b;
            font-size: 2rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            font-size: 1rem;
            color: #b8d4c2;
            margin-left: 0.2rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f5e6c8;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 1.2rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            color: #e8e0d0;
            font-weight: 500;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .nav-menu li a:hover {
            color: #ffd966;
            border-bottom-color: #ffd966;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 0.3rem;
            font-size: 0.8rem;
            opacity: 0.7;
        }
        .breadcrumb {
            background: #e8e2d6;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d6cdbc;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #8a7a64;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #1a6b3c;
        }
        .breadcrumb .current {
            color: #5a4a34;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #1f4a35 0%, #2d6b4a 100%);
            color: #f9f3e8;
            padding: 2.8rem 0 2.4rem;
            border-radius: 0 0 48px 48px;
            margin-bottom: 2.4rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 1rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .hero h1 i {
            color: #ffd966;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 780px;
            opacity: 0.92;
            margin-bottom: 0.8rem;
        }
        .hero .meta-badge {
            display: flex;
            flex-wrap: wrap;
            gap: 1.6rem;
            font-size: 0.95rem;
            margin-top: 1.2rem;
        }
        .hero .meta-badge span i {
            margin-right: 0.4rem;
            color: #ffd966;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 2.4rem;
            padding-bottom: 3rem;
        }
        @media(max-width:920px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            background: #fffcf7;
            border-radius: 18px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }
        .sidebar-area {
            background: #fffcf7;
            border-radius: 18px;
            padding: 1.8rem 1.6rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            align-self: start;
            position: sticky;
            top: 90px;
        }
        @media(max-width:920px) {
            .sidebar-area {
                position: static;
            }
        }
        .content-area h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1a3a2a;
            border-left: 6px solid #b8860b;
            padding-left: 1rem;
            margin: 2.2rem 0 1.2rem;
        }
        .content-area h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2d5a3e;
            margin: 1.8rem 0 0.8rem;
        }
        .content-area h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3d6b4e;
            margin: 1.4rem 0 0.6rem;
        }
        .content-area p {
            margin-bottom: 1.2rem;
            font-size: 1.02rem;
            color: #2e2a24;
        }
        .content-area .highlight-box {
            background: #f0f5eb;
            border-left: 6px solid #b8860b;
            padding: 1.2rem 1.6rem;
            border-radius: 10px;
            margin: 1.6rem 0;
        }
        .content-area .highlight-box strong {
            color: #1a4a32;
        }
        .content-area .tip-icon {
            color: #b8860b;
            font-weight: 700;
        }
        .feature-img-wrap {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
        }
        .feature-img-wrap img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .feature-img-wrap figcaption {
            background: #f0ebe2;
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #4a3f30;
            font-style: italic;
        }
        .search-block {
            background: #eef3ea;
            padding: 1.2rem 1.6rem;
            border-radius: 14px;
            margin: 2rem 0 0.6rem;
        }
        .search-block form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .search-block input[type="text"] {
            flex: 1;
            min-width: 160px;
            padding: 0.7rem 1rem;
            border: 2px solid #c4d4bc;
            border-radius: 8px;
            font-size: 1rem;
            background: #fff;
            transition: 0.2s;
        }
        .search-block input[type="text"]:focus {
            border-color: #1a6b3c;
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 107, 60, 0.15);
        }
        .search-block button {
            background: #1a6b3c;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 1rem;
        }
        .search-block button:hover {
            background: #b8860b;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
            margin: 2.4rem 0;
        }
        @media(max-width:600px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .comment-box,
        .score-box {
            background: #f8f4ed;
            padding: 1.4rem 1.6rem;
            border-radius: 14px;
            border: 1px solid #e0d6c8;
        }
        .comment-box h3,
        .score-box h3 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: #1a3a2a;
        }
        .comment-box form,
        .score-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .comment-box textarea {
            resize: vertical;
            min-height: 80px;
            padding: 0.7rem 1rem;
            border: 2px solid #d6cdbc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fff;
        }
        .comment-box textarea:focus {
            border-color: #1a6b3c;
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 107, 60, 0.1);
        }
        .comment-box input[type="text"] {
            padding: 0.6rem 1rem;
            border: 2px solid #d6cdbc;
            border-radius: 8px;
            font-size: 0.95rem;
            background: #fff;
        }
        .comment-box input[type="text"]:focus {
            border-color: #1a6b3c;
            outline: none;
        }
        .score-box select {
            padding: 0.6rem 1rem;
            border: 2px solid #d6cdbc;
            border-radius: 8px;
            font-size: 0.95rem;
            background: #fff;
        }
        .btn-primary {
            background: #1a6b3c;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .btn-primary:hover {
            background: #b8860b;
        }
        .btn-outline {
            background: transparent;
            color: #1a6b3c;
            border: 2px solid #1a6b3c;
            padding: 0.5rem 1.2rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .btn-outline:hover {
            background: #1a6b3c;
            color: #fff;
        }
        .star-display {
            display: flex;
            gap: 0.2rem;
            font-size: 1.4rem;
            color: #d4a84b;
        }
        .sidebar-area h3 {
            font-size: 1.3rem;
            color: #1a3a2a;
            border-bottom: 3px solid #b8860b;
            padding-bottom: 0.4rem;
            margin-bottom: 1.2rem;
        }
        .link-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.8rem;
        }
        .link-list li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #efe8dc;
            margin: 0;
        }
        .link-list li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .link-list li a i {
            font-size: 0.75rem;
            color: #b8860b;
        }
        .site-footer {
            background: #1a3a2a;
            color: #d8d0c0;
            padding: 2.4rem 0 1.6rem;
            margin-top: 2.4rem;
            border-top: 4px solid #b8860b;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media(max-width:720px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }
        .footer-grid h4 {
            color: #f5e6c8;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .footer-grid a {
            color: #b8d4c2;
        }
        .footer-grid a:hover {
            color: #ffd966;
        }
        friend-link {
            display: block;
            background: #0f2b1e;
            padding: 1rem 1.4rem;
            border-radius: 12px;
            margin: 1rem 0;
            font-size: 0.95rem;
            border: 1px solid #3a6a4e;
        }
        friend-link a {
            color: #d4e0d0;
            margin: 0 0.8rem 0 0;
            display: inline-block;
        }
        friend-link a:hover {
            color: #ffd966;
        }
        .copyright {
            text-align: center;
            padding-top: 1.4rem;
            border-top: 1px solid #3a5a44;
            font-size: 0.85rem;
            color: #aabaa2;
        }
        .copyright strong {
            color: #d4e0d0;
        }
        @media(max-width:760px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.4rem;
                gap: 0.2rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 0.6rem 0.2rem;
                font-size: 1.05rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .content-area {
                padding: 1.4rem 1.2rem;
            }
            .content-area h2 {
                font-size: 1.6rem;
            }
            .content-area h3 {
                font-size: 1.3rem;
            }
        }
        @media(max-width:480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo span {
                font-size: 0.75rem;
            }
            .header-inner {
                gap: 0.3rem;
            }
        }
        .scroll-offset {
            scroll-margin-top: 90px;
        }
        .toc {
            background: #f4efe6;
            padding: 1.2rem 1.6rem;
            border-radius: 12px;
            margin-bottom: 2rem;
            border: 1px solid #ddd6c8;
        }
        .toc h4 {
            font-size: 1.1rem;
            margin-bottom: 0.6rem;
            color: #1a3a2a;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            columns: 2 180px;
            column-gap: 1.6rem;
        }
        .toc ul li {
            padding: 0.2rem 0;
            margin: 0;
        }
        .toc ul li a {
            font-weight: 500;
            font-size: 0.92rem;
        }
        @media(max-width:500px) {
            .toc ul {
                columns: 1;
            }
        }