*,
        *::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, sans-serif;
            background: #f9f7f3;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #b45f2b;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #7a3e1a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: #1a2a3a;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.6rem;
            border-left: 6px solid #b45f2b;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.75rem;
            border-bottom: 2px solid #e4dcd2;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 500;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2a3648;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.4rem 2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        strong {
            color: #1a2a3a;
            font-weight: 700;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        header {
            background: #ffffff;
            border-radius: 0 0 20px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            background: rgba(255, 255, 255, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #1a2a3a;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            color: #b45f2b;
            font-size: 2rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #b45f2b;
        }
        .my-logo span {
            font-weight: 300;
            color: #6a7a8a;
            font-size: 0.9rem;
            margin-left: 0.2rem;
        }
        .nav-links {
            display: flex;
            gap: 1.8rem;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0;
            position: relative;
            color: #2a3648;
        }
        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: #b45f2b;
            transition: width 0.3s ease;
        }
        .nav-links li a:hover::after,
        .nav-links li a:focus::after {
            width: 100%;
        }
        .nav-links li a:hover {
            text-decoration: none;
            color: #b45f2b;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: #1a2a3a;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0ebe4;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #f0ebe4;
            padding: 0.7rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            margin: 1.2rem 0 1.8rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.8rem;
            list-style: none;
        }
        .breadcrumb li {
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: '›';
            margin-right: 0.8rem;
            color: #8a7a6a;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #6a7a8a;
        }
        .breadcrumb a:hover {
            color: #b45f2b;
        }
        .breadcrumb .active {
            color: #1a2a3a;
            font-weight: 600;
        }
        .search-wrap {
            background: #ffffff;
            border-radius: 50px;
            padding: 0.3rem 0.3rem 0.3rem 1.4rem;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #e4dcd2;
            max-width: 520px;
            margin: 1.6rem auto 2rem;
            transition: box-shadow 0.3s;
        }
        .search-wrap:focus-within {
            box-shadow: 0 4px 24px rgba(180, 95, 43, 0.12);
            border-color: #b45f2b;
        }
        .search-wrap i {
            color: #8a7a6a;
            font-size: 1.1rem;
        }
        .search-wrap input {
            border: none;
            background: transparent;
            padding: 0.8rem 0.6rem;
            font-size: 1rem;
            flex: 1;
            outline: none;
            min-width: 0;
            font-family: inherit;
            color: #1a2a3a;
        }
        .search-wrap button {
            background: #b45f2b;
            border: none;
            color: #fff;
            padding: 0.6rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.25s;
            font-family: inherit;
            white-space: nowrap;
        }
        .search-wrap button:hover {
            background: #7a3e1a;
        }
        .hero-img {
            margin: 1.8rem auto 2.4rem;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            position: relative;
        }
        .hero-img img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .hero-img figcaption {
            background: rgba(26, 42, 58, 0.7);
            color: #f5f0ea;
            padding: 0.7rem 1.4rem;
            font-size: 0.9rem;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            backdrop-filter: blur(4px);
        }
        section {
            margin-bottom: 3rem;
        }
        .article-body {
            background: #ffffff;
            border-radius: 24px;
            padding: 2rem 2.4rem;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
        }
        .rating-area,
        .comment-area {
            background: #f9f7f3;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 2.4rem 0 1.6rem;
            border: 1px solid #e4dcd2;
        }
        .rating-area h3,
        .comment-area h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .star-group {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #d4c8bc;
            cursor: pointer;
            direction: rtl;
        }
        .star-group i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-group i:hover,
        .star-group i:hover~i {
            color: #e8a83a;
            transform: scale(1.12);
        }
        .star-group .active {
            color: #e8a83a;
        }
        .rating-form button,
        .comment-form button {
            background: #b45f2b;
            border: none;
            color: #fff;
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s;
            font-family: inherit;
            margin-top: 0.8rem;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background: #7a3e1a;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #d4c8bc;
            border-radius: 14px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fff;
            transition: border-color 0.3s;
            margin-bottom: 0.8rem;
            resize: vertical;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            outline: none;
            border-color: #b45f2b;
            box-shadow: 0 0 0 3px rgba(180, 95, 43, 0.08);
        }
        .comment-form textarea {
            min-height: 100px;
        }
        footer {
            margin-top: 3.6rem;
            padding: 2.4rem 0 1.8rem;
            border-top: 2px solid #e4dcd2;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 1.2rem auto;
            font-size: 0.95rem;
            color: #4a5a6a;
        }
        friend-link a {
            margin: 0 0.6rem;
            padding: 0.2rem 0.6rem;
            background: #f0ebe4;
            border-radius: 30px;
            display: inline-block;
            font-weight: 500;
        }
        friend-link a:hover {
            background: #e4dcd2;
            text-decoration: none;
        }
        .copyright {
            font-size: 0.85rem;
            color: #6a7a8a;
            margin-top: 1.2rem;
        }
        .last-update {
            font-size: 0.85rem;
            color: #8a7a6a;
            background: #f0ebe4;
            display: inline-block;
            padding: 0.2rem 1.2rem;
            border-radius: 30px;
            margin: 0.8rem 0;
        }
        @media (max-width: 820px) {
            .article-body {
                padding: 1.4rem 1.2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.45rem;
            }
            .header-inner {
                padding: 0 0.6rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #ffffff;
                padding: 1rem 0.8rem;
                border-radius: 16px;
                gap: 0.8rem;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
                margin-top: 0.8rem;
                border: 1px solid #e4dcd2;
            }
            .nav-links li a {
                padding: 0.4rem 0.6rem;
                display: block;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.nav-links {
                display: flex;
            }
            #nav-toggle:checked~.hamburger {
                background: #f0ebe4;
            }
            .search-wrap {
                flex-wrap: wrap;
                padding: 0.3rem;
                border-radius: 30px;
            }
            .search-wrap input {
                width: 100%;
                padding: 0.6rem 0.8rem;
            }
            .search-wrap button {
                width: 100%;
                border-radius: 30px;
                padding: 0.6rem;
            }
            .rating-area,
            .comment-area {
                padding: 1.2rem 1rem;
            }
            .star-group {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo span {
                font-size: 0.7rem;
            }
            h1 {
                font-size: 1.5rem;
                padding-left: 0.6rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.5rem 0.8rem;
            }
            .hero-img figcaption {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
            .article-body {
                padding: 1rem 0.8rem;
            }
        }
        .tag {
            display: inline-block;
            background: #f0ebe4;
            color: #4a5a6a;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .flex-cols {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
            margin: 1.4rem 0;
        }
        @media (max-width: 640px) {
            .flex-cols {
                grid-template-columns: 1fr;
            }
        }
        .highlight-box {
            background: #f5f0ea;
            border-left: 5px solid #b45f2b;
            padding: 1.2rem 1.6rem;
            border-radius: 12px;
            margin: 1.4rem 0;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.95rem;
        }
        .data-table th {
            background: #1a2a3a;
            color: #f5f0ea;
            padding: 0.6rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #e4dcd2;
        }
        .data-table tr:nth-child(even) td {
            background: #f9f7f3;
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #b45f2b;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(180, 95, 43, 0.25);
            transition: background 0.3s, transform 0.2s;
            z-index: 50;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            background: #7a3e1a;
            transform: translateY(-4px);
        }
        @media (max-width: 480px) {
            .scroll-top {
                bottom: 1rem;
                right: 1rem;
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }