* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #faf7f2;
            color: #2d2a24;
            line-height: 1.7;
            font-size: 1.05rem;
        }
        a {
            color: #b3472c;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #7a2e1a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: linear-gradient(145deg, #1e3a2f, #2a5a48);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fadf9e;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: #e8b84b;
            font-size: 2rem;
        }
        .my-logo:hover {
            color: #ffecb3;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.8rem;
            font-weight: 400;
            color: #c7e0d6;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #fadf9e;
            color: #fadf9e;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #fadf9e22;
        }
        .main-nav {
            display: flex;
            gap: 8px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e6f0eb;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 6px;
            font-size: 0.95rem;
            transition: 0.2s;
        }
        .main-nav a:hover {
            background: #ffffff1a;
            color: #fadf9e;
            text-decoration: none;
        }
        .breadcrumb {
            background: #f0ebe3;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd6cc;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #9a8a7a;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #5f4e3c;
        }
        .breadcrumb .current {
            color: #b3472c;
            font-weight: 600;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            color: #1e3a2f;
            line-height: 1.2;
            margin-bottom: 16px;
            font-weight: 800;
        }
        .article-body h1 i {
            color: #e8b84b;
            margin-right: 12px;
        }
        .article-body .meta {
            color: #6b5d4e;
            font-size: 0.95rem;
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            border-bottom: 1px solid #e5ddd4;
            padding-bottom: 16px;
        }
        .article-body h2 {
            font-size: 1.9rem;
            color: #1e3a2f;
            margin: 40px 0 16px;
            border-left: 5px solid #e8b84b;
            padding-left: 18px;
        }
        .article-body h3 {
            font-size: 1.5rem;
            color: #2a5a48;
            margin: 32px 0 12px;
        }
        .article-body h4 {
            font-size: 1.2rem;
            color: #3d6b59;
            margin: 24px 0 8px;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 18px;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 24px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .highlight-box {
            background: #f0ebe3;
            border-radius: 14px;
            padding: 24px 28px;
            margin: 28px 0;
            border-left: 6px solid #e8b84b;
        }
        .article-body .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: 14px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .word-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: 8px;
            background: #f6f1ea;
            padding: 20px;
            border-radius: 14px;
            margin: 20px 0;
        }
        .word-list span {
            background: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.95rem;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
            text-align: center;
        }
        .sidebar {
            background: #f6f1ea;
            border-radius: 16px;
            padding: 24px;
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            color: #1e3a2f;
            margin-bottom: 16px;
            border-bottom: 2px solid #e8b84b;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            margin-bottom: 10px;
            padding: 6px 0;
            border-bottom: 1px solid #e0d7ce;
        }
        .sidebar li a {
            font-weight: 500;
            display: block;
        }
        .sidebar li a:hover {
            padding-left: 4px;
        }
        .form-section {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid #e5ddd4;
        }
        .form-section h2 {
            border-left-color: #b3472c;
        }
        .form-card {
            background: #f6f1ea;
            border-radius: 16px;
            padding: 28px;
            margin-bottom: 28px;
        }
        .form-card label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #2d2a24;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #ddd6cc;
            border-radius: 10px;
            font-size: 1rem;
            background: #fff;
            transition: 0.2s;
            font-family: inherit;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            border-color: #b3472c;
            outline: none;
            box-shadow: 0 0 0 3px #b3472c22;
        }
        .form-card textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-card .btn {
            background: #1e3a2f;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 40px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .form-card .btn:hover {
            background: #2a5a48;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px #1e3a2f33;
        }
        .form-card .btn i {
            font-size: 1.1rem;
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 1.8rem;
            color: #ddd6cc;
            cursor: pointer;
            margin: 8px 0 16px;
        }
        .rating-stars .star {
            transition: 0.2s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #e8b84b;
            transform: scale(1.1);
        }
        friend-link {
            display: block;
            padding: 36px 0 24px;
            border-top: 2px solid #e5ddd4;
            margin-top: 48px;
        }
        friend-link h3 {
            font-size: 1.3rem;
            color: #1e3a2f;
            margin-bottom: 16px;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            padding: 0;
        }
        friend-link li a {
            color: #5f4e3c;
            font-weight: 500;
        }
        friend-link li a:hover {
            color: #b3472c;
        }
        .site-footer {
            background: #1e3a2f;
            color: #d4e0da;
            padding: 32px 0 24px;
            font-size: 0.95rem;
        }
        .site-footer .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #3a6a58;
            margin-top: 20px;
            color: #a8c4b8;
        }
        .site-footer .copyright strong {
            color: #fadf9e;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: 8px;
                background: #ffffff0d;
            }
            .article-body h1 {
                font-size: 1.9rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.25rem;
            }
            .container {
                padding: 0 16px;
            }
            .sidebar {
                position: static;
                margin-top: 32px;
            }
            .word-list {
                grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .article-body h1 {
                font-size: 1.6rem;
            }
            .form-card {
                padding: 18px;
            }
            .rating-stars {
                font-size: 1.4rem;
            }
        }
        .mt-1 {
            margin-top: 16px;
        }
        .mb-1 {
            margin-bottom: 16px;
        }
        .text-small {
            font-size: 0.9rem;
            color: #6b5d4e;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }