*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #FFF8F0;
            color: #2D3436;
            line-height: 1.8;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 16px;
        }
        a {
            color: #FF6B35;
            text-decoration: none;
            transition: color 0.2s, background 0.2s;
        }
        a:hover,
        a:focus {
            color: #E55A2B;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 20px;
            background: #FF6B35;
            color: #fff;
            padding: 12px 24px;
            border-radius: 0 0 8px 8px;
            z-index: 1000;
            font-weight: 700;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
            padding: 0 0 4px 0;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.25);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.12);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2.2rem;
            color: #FFE66D;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.92;
        }
        .my-logo small {
            font-size: 0.55rem;
            font-weight: 400;
            opacity: 0.85;
            display: block;
            letter-spacing: 0.5px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            color: #fff;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.92);
            padding: 8px 16px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb-wrap {
            background: #FFF0E6;
            padding: 10px 0;
            border-bottom: 1px solid #FFDCC5;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb a {
            color: #FF6B35;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: #aaa;
            font-size: 0.75rem;
        }
        .breadcrumb .current {
            color: #444;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(120deg, #FFF0E6 0%, #FFE8D6 100%);
            padding: 50px 0 40px;
            border-bottom: 4px solid #FF6B35;
        }
        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #2D3436;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero-content h1 .highlight {
            color: #FF6B35;
            background: #FFE66D;
            padding: 0 12px;
            border-radius: 12px;
            display: inline-block;
        }
        .hero-content p {
            font-size: 1.2rem;
            color: #555;
            max-width: 520px;
            margin-bottom: 24px;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 60px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            background: #FF6B35;
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }
        .btn:hover {
            background: #E55A2B;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
            text-decoration: none;
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: #FF6B35;
            border: 2px solid #FF6B35;
            box-shadow: none;
        }
        .btn-outline:hover {
            background: #FF6B35;
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.25);
        }
        .hero-image {
            border-radius: 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            background: #fff;
            padding: 8px;
        }
        .hero-image img {
            border-radius: 18px;
            width: 100%;
            min-height: 200px;
            object-fit: cover;
            background: #FFE8D6;
        }
        .search-section {
            background: #fff;
            padding: 32px 0;
            border-bottom: 2px solid #F0E0D0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            max-width: 640px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #E0D0C0;
            border-radius: 60px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
            background: #FFFAF5;
        }
        .search-form input[type="text"]:focus {
            border-color: #FF6B35;
            background: #fff;
        }
        .search-form button {
            padding: 14px 32px;
            border-radius: 60px;
            border: none;
            background: #FF6B35;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #E55A2B;
            transform: scale(1.02);
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 50px;
        }
        .article-body h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #2D3436;
            margin-top: 48px;
            margin-bottom: 16px;
            border-left: 6px solid #FF6B35;
            padding-left: 18px;
        }
        .article-body h2:first-of-type {
            margin-top: 0;
        }
        .article-body h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #444;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .article-body h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #555;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #3a3a3a;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 24px 24px;
        }
        .article-body li {
            margin-bottom: 10px;
            font-size: 1.02rem;
        }
        .article-body .highlight-box {
            background: #FFF5ED;
            border-left: 6px solid #FF6B35;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .article-body .highlight-box strong {
            color: #FF6B35;
        }
        .article-body .emoji-big {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .article-body .word-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 10px;
            margin: 16px 0 24px;
            list-style: none;
            margin-left: 0;
        }
        .article-body .word-list li {
            background: #FFF0E6;
            padding: 10px 16px;
            border-radius: 40px;
            font-weight: 600;
            text-align: center;
            font-size: 0.95rem;
            border: 2px solid #FFDCC5;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 20px;
            padding: 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            margin-bottom: 28px;
            border: 1px solid #F0E0D0;
        }
        .sidebar-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #2D3436;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card ul {
            list-style: none;
            margin-left: 0;
        }
        .sidebar-card li {
            padding: 8px 0;
            border-bottom: 1px solid #F5EBE0;
            font-size: 0.98rem;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card li a i {
            color: #FF6B35;
            font-size: 0.8rem;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 36px 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 20px;
            padding: 28px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid #F0E0D0;
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #2D3436;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 6px;
            margin: 12px 0 16px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.2rem;
            color: #E0D0C0;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #FFB800;
            transform: scale(1.1);
        }
        .feedback-card input[type="text"],
        .feedback-card textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #E0D0C0;
            border-radius: 12px;
            font-size: 0.98rem;
            outline: none;
            margin-bottom: 12px;
            background: #FFFAF5;
            transition: border 0.3s;
            font-family: inherit;
        }
        .feedback-card input[type="text"]:focus,
        .feedback-card textarea:focus {
            border-color: #FF6B35;
            background: #fff;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .btn {
            width: 100%;
            justify-content: center;
        }
        friend-link {
            display: block;
            background: #FFF5ED;
            border-radius: 20px;
            padding: 28px 32px;
            margin: 40px 0 20px;
            border: 2px solid #FFDCC5;
        }
        friend-link h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #2D3436;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        friend-link .friend-list li a {
            font-weight: 500;
            padding: 4px 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        friend-link .friend-list li a i {
            font-size: 0.75rem;
            color: #FF6B35;
        }
        .site-footer {
            background: #2D3436;
            color: #ddd;
            padding: 36px 0 24px;
            margin-top: 40px;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .site-footer h4 {
            color: #FFE66D;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .site-footer p,
        .site-footer li {
            font-size: 0.95rem;
            opacity: 0.9;
        }
        .site-footer ul {
            list-style: none;
            margin-left: 0;
        }
        .site-footer li {
            padding: 4px 0;
        }
        .site-footer a {
            color: #FFB085;
        }
        .site-footer a:hover {
            color: #FFE66D;
            text-decoration: underline;
        }
        .footer-bottom {
            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: 0.9rem;
            opacity: 0.8;
        }
        .footer-bottom .copyright {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 24px;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-content p {
                max-width: 100%;
            }
            .hero-cta {
                justify-content: center;
            }
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.6rem;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0 8px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: 12px;
                white-space: normal;
            }
            .hero {
                padding: 30px 0 24px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .article-body h2 {
                font-size: 1.6rem;
            }
            .article-body h3 {
                font-size: 1.25rem;
            }
            friend-link .friend-list {
                flex-direction: column;
                gap: 6px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .btn {
                padding: 12px 20px;
                font-size: 0.95rem;
            }
            .sidebar-card {
                padding: 16px;
            }
            .feedback-card {
                padding: 18px;
            }
            .article-body .word-list {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
        }
        :focus-visible {
            outline: 3px solid #FF6B35;
            outline-offset: 2px;
        }
        @media print {
            .site-header,
            .nav-toggle,
            .search-section,
            .breadcrumb-wrap,
            .sidebar,
            .feedback-grid,
            friend-link,
            .site-footer {
                display: none !important;
            }
            .hero .container {
                grid-template-columns: 1fr;
            }
            .hero-image {
                max-width: 50%;
                margin: 0 auto;
            }
            body {
                font-size: 12pt;
                background: #fff;
                color: #000;
            }
            .container {
                max-width: 100%;
                padding: 0;
            }
        }