*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #FFFAF3;
            color: #2C2C2C;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #CC5500;
            text-decoration: underline;
            transition: color 0.2s;
        }
        a:hover {
            color: #138808;
            text-decoration: none;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 1rem;
            background: #138808;
            color: #fff;
            padding: 0.5rem 1rem;
            border-radius: 0 0 6px 6px;
            z-index: 10000;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #FF9933 0%, #FFB366 100%);
            padding: 0.6rem 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #1A1A2E;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            font-family: 'Georgia', serif;
        }
        .my-logo span {
            color: #138808;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: #1A1A2E;
            margin-right: 0.3rem;
        }
        .my-logo:hover {
            color: #1A1A2E;
            text-decoration: none;
        }
        .hamburger-label {
            display: none;
            font-size: 1.7rem;
            cursor: pointer;
            color: #1A1A2E;
            padding: 0.2rem 0.4rem;
            user-select: none;
        }
        #nav-toggle {
            display: none;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.2rem 0.8rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            text-decoration: none;
            color: #1A1A2E;
            font-weight: 600;
            padding: 0.3rem 0.6rem;
            border-radius: 30px;
            font-size: 0.9rem;
            transition: background 0.2s, color 0.2s;
            display: inline-block;
        }
        .nav-menu li a:hover,
        .nav-menu li a.active {
            background: #138808;
            color: #fff;
            text-decoration: none;
        }
        .breadcrumb {
            background: #FFF0E0;
            padding: 0.6rem 1.5rem;
            font-size: 0.85rem;
            border-bottom: 1px solid #FFD9B3;
        }
        .breadcrumb a {
            color: #CC5500;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #666;
        }
        .hero {
            background: linear-gradient(135deg, #FFE9D6 0%, #FFD9B3 100%);
            padding: 2.5rem 1.5rem;
            text-align: center;
            border-bottom: 4px solid #FF9933;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #1A1A2E;
            margin-bottom: 0.6rem;
            line-height: 1.2;
        }
        .hero h1 i {
            color: #138808;
        }
        .hero p {
            font-size: 1.1rem;
            color: #333;
            max-width: 720px;
            margin: 0 auto;
        }
        .hero .last-updated {
            font-size: 0.85rem;
            color: #666;
            margin-top: 1rem;
            display: block;
        }
        .main-wrap {
            max-width: 1100px;
            margin: 0 auto;
            padding: 2rem 1.5rem 3rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media(max-width:820px) {
            .main-wrap {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.8rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #FFE0C0;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1A1A2E;
            border-bottom: 3px solid #FF9933;
            padding-bottom: 0.4rem;
            margin-bottom: 1rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 0.3rem 0;
            border-bottom: 1px solid #F5E0D0;
        }
        .sidebar-card ul li a {
            text-decoration: none;
            font-weight: 500;
        }
        .sidebar-card ul li a:hover {
            color: #138808;
        }
        .content-area h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #1A1A2E;
            margin: 2.2rem 0 0.8rem;
            border-left: 6px solid #FF9933;
            padding-left: 1rem;
        }
        .content-area h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #2C2C2C;
            margin: 1.8rem 0 0.6rem;
        }
        .content-area h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #444;
            margin: 1.2rem 0 0.4rem;
        }
        .content-area p {
            margin: 0.8rem 0;
            font-size: 1rem;
            color: #2C2C2C;
        }
        .content-area .feature-box {
            background: #F0F8F0;
            border-left: 6px solid #138808;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .content-area .feature-box i {
            color: #138808;
            margin-right: 0.5rem;
        }
        .content-area .insight-box {
            background: #FFF4E8;
            border-radius: 16px;
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
            border: 1px solid #FFD9B3;
        }
        .content-area .insight-box i {
            color: #CC5500;
            margin-right: 0.5rem;
        }
        .content-img {
            border-radius: 16px;
            margin: 1.8rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            border: 1px solid #FFE0C0;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.5rem 0;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border: 2px solid #FFD9B3;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .search-form input:focus {
            border-color: #FF9933;
        }
        .search-form button {
            padding: 0.7rem 1.6rem;
            background: #FF9933;
            border: none;
            border-radius: 40px;
            font-weight: 700;
            color: #1A1A2E;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 0.95rem;
        }
        .search-form button:hover {
            background: #E67E22;
            transform: scale(0.97);
        }
        .search-form button i {
            margin-right: 0.4rem;
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #FFE0C0;
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #1A1A2E;
            border-bottom: 3px solid #FF9933;
            padding-bottom: 0.4rem;
            margin-bottom: 1.2rem;
        }
        .comment-section form,
        .rating-section form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .comment-section input,
        .comment-section textarea,
        .rating-section select,
        .rating-section button {
            padding: 0.7rem 1rem;
            border: 2px solid #FFD9B3;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            font-family: inherit;
            background: #FFFAF3;
        }
        .comment-section input:focus,
        .comment-section textarea:focus,
        .rating-section select:focus {
            border-color: #FF9933;
        }
        .comment-section textarea {
            min-height: 90px;
            resize: vertical;
        }
        .comment-section button,
        .rating-section button {
            background: #138808;
            color: #fff;
            font-weight: 700;
            border: none;
            cursor: pointer;
            border-radius: 40px;
            padding: 0.7rem 2rem;
            align-self: flex-start;
            transition: background 0.2s, transform 0.1s;
            font-size: 0.95rem;
        }
        .comment-section button:hover,
        .rating-section button:hover {
            background: #0F6B06;
            transform: scale(0.97);
        }
        .rating-section select {
            max-width: 200px;
        }
        .rating-section .star-display {
            font-size: 1.4rem;
            color: #FF9933;
            letter-spacing: 4px;
        }
        .site-footer {
            background: #1A1A2E;
            color: #F0E0D0;
            padding: 2.5rem 1.5rem 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        @media(max-width:600px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .site-footer h4 {
            color: #FF9933;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .site-footer a {
            color: #FFB366;
            text-decoration: none;
        }
        .site-footer a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .site-footer friend-link {
            display: block;
            margin: 0.8rem 0;
        }
        .site-footer friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
        }
        .copyright {
            border-top: 1px solid #333;
            padding-top: 1.2rem;
            margin-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #B0A090;
        }
        .copyright a {
            color: #FFB366;
        }
        @media(max-width:768px) {
            .hamburger-label {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #FFE9D6;
                padding: 0.8rem 1rem;
                border-radius: 0 0 16px 16px;
                margin-top: 0.6rem;
                gap: 0.3rem;
            }
            #nav-toggle:checked~.nav-menu {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 0.5rem 0.8rem;
                border-radius: 10px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .content-area h2 {
                font-size: 1.5rem;
            }
            .content-area h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .comment-section,
            .rating-section {
                padding: 1rem 1.2rem;
            }
            .search-form input {
                min-width: 120px;
            }
        }
        @media(max-width:480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
            .main-wrap {
                padding: 1rem 0.8rem 2rem;
            }
            .site-header {
                padding: 0.4rem 0.8rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 1.8rem;
            right: 1.8rem;
            background: #FF9933;
            color: #1A1A2E;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            text-decoration: none;
            transition: background 0.2s, transform 0.2s;
            z-index: 100;
        }
        .scroll-top:hover {
            background: #E67E22;
            transform: translateY(-4px);
            color: #1A1A2E;
        }