*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #f8f6f2;
            color: #1e2a2f;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #982b1f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: #1e3d42;
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f7d44a;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f7d44a;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            display: block;
            padding: 8px 16px;
            color: #e8edec;
            font-weight: 500;
            border-radius: 30px;
            transition: background 0.25s ease, color 0.25s ease;
            font-size: 0.9rem;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #f7d44a;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .breadcrumb {
            background: #ecdfd1;
            padding: 10px 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #d6c9bb;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 12px;
            color: #7a6a5c;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #4d3e32;
        }
        .breadcrumb .current {
            color: #1e3d42;
            font-weight: 600;
        }
        .main-content {
            padding: 40px 0 50px;
        }
        .article-header {
            margin-bottom: 36px;
        }
        .article-header h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #1a2e32;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .article-header .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            color: #5c6b6a;
            font-size: 0.95rem;
        }
        .article-header .meta i {
            margin-right: 6px;
            color: #c44536;
        }
        .last-updated {
            font-weight: 600;
            color: #1e3d42;
        }
        .article-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #1a2e32;
            margin: 48px 0 18px 0;
            padding-bottom: 8px;
            border-bottom: 3px solid #f7d44a;
            display: inline-block;
        }
        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #244247;
            margin: 32px 0 14px 0;
        }
        .article-body h4 {
            font-size: 1.08rem;
            font-weight: 700;
            color: #3a5957;
            margin: 24px 0 10px 0;
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1.02rem;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 22px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body strong {
            color: #1a2e32;
        }
        .article-body .highlight-box {
            background: #eef4f0;
            border-left: 5px solid #f7d44a;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 28px 0;
        }
        .article-body .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .article-body .emoji-lg {
            font-size: 1.4rem;
            margin-right: 4px;
        }
        .featured-image {
            margin: 32px 0 28px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.10);
            background: #e2dad1;
            position: relative;
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            display: block;
        }
        .featured-image .image-caption {
            background: rgba(30, 45, 50, 0.82);
            color: #f0ede6;
            padding: 12px 20px;
            font-size: 0.88rem;
            text-align: center;
        }
        .search-section {
            background: #e8e2d7;
            padding: 28px 32px;
            border-radius: 18px;
            margin: 42px 0 32px;
        }
        .search-section form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .search-section input[type="text"] {
            flex: 1 1 240px;
            padding: 14px 20px;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            outline: none;
        }
        .search-section input[type="text"]:focus {
            box-shadow: 0 0 0 3px #f7d44a;
        }
        .search-section button {
            padding: 14px 32px;
            background: #c44536;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .search-section button:hover {
            background: #982b1f;
            transform: translateY(-2px);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 42px 0 30px;
        }
        .rating-box,
        .comment-box {
            background: #fff;
            padding: 28px 30px;
            border-radius: 18px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e5ddd2;
        }
        .rating-box h3,
        .comment-box h3 {
            font-size: 1.3rem;
            margin-bottom: 16px;
            color: #1a2e32;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 12px 0 18px;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s ease, transform 0.15s;
        }
        .stars label:hover,
        .stars label:hover~label,
        .stars input:checked~label {
            color: #f7b731;
        }
        .stars label:hover {
            transform: scale(1.12);
        }
        .rating-box button,
        .comment-box button {
            padding: 12px 30px;
            background: #1e3d42;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease;
            font-size: 0.95rem;
        }
        .rating-box button:hover,
        .comment-box button:hover {
            background: #2a565c;
        }
        .comment-box textarea {
            width: 100%;
            padding: 14px 18px;
            border: 1px solid #d5cbbf;
            border-radius: 14px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            font-family: inherit;
            background: #faf8f5;
            outline: none;
        }
        .comment-box textarea:focus {
            border-color: #c44536;
            box-shadow: 0 0 0 3px rgba(196, 69, 54, 0.12);
        }
        .comment-box .field-group {
            margin-bottom: 16px;
        }
        .comment-box .field-group input {
            width: 100%;
            padding: 12px 18px;
            border: 1px solid #d5cbbf;
            border-radius: 40px;
            font-size: 0.95rem;
            background: #faf8f5;
            outline: none;
        }
        .comment-box .field-group input:focus {
            border-color: #c44536;
            box-shadow: 0 0 0 3px rgba(196, 69, 54, 0.12);
        }
        friend-link {
            display: block;
            background: #e8e2d7;
            padding: 28px 30px;
            border-radius: 18px;
            margin: 40px 0 20px;
            font-style: normal;
        }
        friend-link h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #1a2e32;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
        }
        friend-link ul li a {
            padding: 6px 14px;
            background: #fff;
            border-radius: 30px;
            font-size: 0.9rem;
            color: #1e3d42;
            transition: background 0.2s, color 0.2s;
            display: inline-block;
            border: 1px solid #cdc0b0;
        }
        friend-link ul li a:hover {
            background: #1e3d42;
            color: #f7d44a;
            text-decoration: none;
            border-color: #1e3d42;
        }
        .site-footer {
            background: #1a2e32;
            color: #c6d2cf;
            padding: 30px 0 20px;
            font-size: 0.9rem;
            margin-top: 30px;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .site-footer .copyright {
            color: #a3b5b2;
        }
        .site-footer a {
            color: #f7d44a;
        }
        .site-footer a:hover {
            color: #fff;
        }
        @media (max-width: 820px) {
            .interaction-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .article-header h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 700px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e3d42;
                padding: 12px 0 18px;
                border-radius: 0 0 18px 18px;
                gap: 2px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 20px;
                border-radius: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .nav-bar {
                flex-wrap: wrap;
            }
            .article-header h1 {
                font-size: 1.65rem;
            }
            .article-body h2 {
                font-size: 1.45rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .search-section {
                padding: 20px;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="text"] {
                width: 100%;
                flex: 1 1 auto;
            }
            .search-section button {
                width: 100%;
                justify-content: center;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .rating-box,
            .comment-box {
                padding: 20px;
            }
            friend-link {
                padding: 20px;
            }
            friend-link ul {
                gap: 6px 12px;
            }
            friend-link ul li a {
                font-size: 0.82rem;
                padding: 5px 12px;
            }
        }
        @media (max-width: 420px) {
            .container {
                padding: 0 14px;
            }
            .article-header h1 {
                font-size: 1.4rem;
            }
            .article-body p {
                font-size: 0.95rem;
            }
            .stars label {
                font-size: 1.6rem;
            }
        }
        :focus-visible {
            outline: 3px solid #f7d44a;
            outline-offset: 2px;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 20px;
            background: #f7d44a;
            color: #1a2e32;
            padding: 10px 20px;
            border-radius: 0 0 8px 8px;
            z-index: 10000;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }