*,
        *::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, Roboto, 'Helvetica Neue', sans-serif;
            background: #f8f6f0;
            color: #1e1e1e;
            line-height: 1.75;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #2d6a4f;
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #1b4332;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #1b3a2d;
            font-weight: 700;
            margin-top: 1.8em;
            margin-bottom: .6em;
        }
        h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            margin-top: .5em;
        }
        h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
            border-left: 6px solid #2d6a4f;
            padding-left: 1rem;
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
            color: #2d5a3f;
        }
        h4 {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: #3d6a4f;
        }
        p {
            margin-bottom: 1.2em;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
            width: 100%;
        }
        header {
            background: linear-gradient(145deg, #1b3a2d 0%, #2d6a4f 100%);
            color: #fff;
            padding: .6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: .8rem 1.5rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -.5px;
            color: #fff;
            text-shadow: 2px 2px 0 #1b4332;
            display: flex;
            align-items: center;
            gap: .5rem;
            transition: opacity .2s;
        }
        .my-logo:hover {
            opacity: .88;
            text-decoration: none;
        }
        .my-logo i {
            font-size: 2rem;
            color: #ffd166;
        }
        .my-logo span {
            background: #ffd166;
            color: #1b3a2d;
            font-size: .65rem;
            font-weight: 700;
            padding: .15rem .6rem;
            border-radius: 30px;
            vertical-align: middle;
            letter-spacing: .3px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: .4rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: .25rem;
            flex-wrap: wrap;
            padding-left: 0;
        }
        .nav-list li a {
            color: #e9f5e9;
            padding: .45rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: .92rem;
            transition: background .25s, color .25s;
            display: block;
            white-space: nowrap;
        }
        .nav-list li a:hover,
        .nav-list li a:focus-visible {
            background: rgba(255, 255, 255, .2);
            color: #ffd166;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, .6);
            color: #fff;
            font-size: 1.6rem;
            padding: .2rem .7rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background .2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, .15);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumbs {
            background: #edebe4;
            padding: .6rem 0;
            font-size: .88rem;
            border-bottom: 1px solid #d6d2c4;
        }
        .breadcrumbs ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: .3rem .6rem;
            padding-left: 0;
            margin: 0;
        }
        .breadcrumbs li+li::before {
            content: "›";
            margin-right: .6rem;
            color: #7a7a7a;
        }
        .breadcrumbs a {
            color: #2d6a4f;
        }
        .breadcrumbs .current {
            color: #5a5a5a;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, #d8f3dc 0%, #b7e4c7 100%);
            padding: 2.5rem 0 2rem;
            border-bottom: 4px solid #2d6a4f;
        }
        .hero h1 {
            margin-top: 0;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: .8rem 2rem;
            font-size: .95rem;
            color: #2d5a3f;
            margin-top: .5rem;
        }
        .hero-meta i {
            margin-right: .4rem;
            color: #1b4332;
        }
        .hero-img-wrap {
            margin-top: 1.8rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 30px rgba(0, 0, 0, .15);
            background: #2d6a4f;
            padding: 4px;
        }
        .hero-img-wrap img {
            border-radius: 12px;
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        main {
            flex: 1;
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem 3rem;
        }
        @media(max-width:980px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body p,
        .article-body li {
            font-size: 1.04rem;
        }
        .article-body blockquote {
            background: #edebe4;
            border-left: 6px solid #2d6a4f;
            padding: 1.2rem 1.8rem;
            margin: 1.8rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2d3a2f;
        }
        .article-body blockquote cite {
            display: block;
            margin-top: .6rem;
            font-style: normal;
            font-weight: 600;
            font-size: .9rem;
            color: #1b4332;
        }
        .highlight-box {
            background: #d8f3dc;
            border-radius: 16px;
            padding: 1.6rem 2rem;
            margin: 1.8rem 0;
            border: 1px solid #95d5b2;
        }
        .highlight-box h4 {
            margin-top: 0;
        }
        .pro-con {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 1.8rem 0;
        }
        @media(max-width:600px) {
            .pro-con {
                grid-template-columns: 1fr;
            }
        }
        .pro,
        .con {
            padding: 1.4rem 1.8rem;
            border-radius: 16px;
        }
        .pro {
            background: #d8f3dc;
            border-left: 6px solid #2d6a4f;
        }
        .con {
            background: #fce4e4;
            border-left: 6px solid #c73e3e;
        }
        .pro h4,
        .con h4 {
            margin-top: 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
            border-radius: 12px;
            border: 1px solid #d6d2c4;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: .96rem;
        }
        th,
        td {
            padding: .9rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid #d6d2c4;
        }
        th {
            background: #2d6a4f;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f1efe7;
        }
        .sidebar {
            background: #edebe4;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 3px solid #2d6a4f;
            padding-bottom: .5rem;
        }
        .sidebar ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar ul li {
            padding: .4rem 0;
            border-bottom: 1px dashed #ccc;
        }
        .sidebar ul li a {
            display: flex;
            align-items: baseline;
            gap: .5rem;
            font-weight: 500;
        }
        .sidebar ul li a::before {
            content: "▸";
            color: #2d6a4f;
            font-weight: 700;
        }
        .search-section {
            background: #edebe4;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
        }
        .search-form {
            display: flex;
            gap: .8rem;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: .8rem 1.2rem;
            border: 2px solid #ccc;
            border-radius: 60px;
            font-size: 1rem;
            background: #fff;
            transition: border .25s;
        }
        .search-form input[type="text"]:focus {
            outline: none;
            border-color: #2d6a4f;
        }
        .search-form button {
            background: #2d6a4f;
            color: #fff;
            border: none;
            padding: .8rem 2rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background .25s, transform .1s;
            display: flex;
            align-items: center;
            gap: .6rem;
        }
        .search-form button:hover {
            background: #1b4332;
            transform: scale(1.02);
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        @media(max-width:700px) {
            .interaction-area {
                grid-template-columns: 1fr;
            }
        }
        .comment-box,
        .rating-box {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, .06);
            border: 1px solid #e0ddd2;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: .6rem;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: .8rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 12px;
            font-size: .95rem;
            font-family: inherit;
            transition: border .25s;
            margin-bottom: .8rem;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            outline: none;
            border-color: #2d6a4f;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            background: #2d6a4f;
            color: #fff;
            border: none;
            padding: .7rem 2rem;
            border-radius: 60px;
            font-weight: 600;
            cursor: pointer;
            transition: background .25s;
            font-size: .95rem;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #1b4332;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: .3rem;
            font-size: 2rem;
            margin: .6rem 0 1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ccc;
            transition: color .2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffb703;
        }
        footer {
            background: #1b3a2d;
            color: #d8f3dc;
            padding: 2.5rem 0 1.2rem;
            margin-top: 2rem;
        }
        footer a {
            color: #b7e4c7;
        }
        footer a:hover {
            color: #ffd166;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media(max-width:700px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-col h4 {
            color: #ffd166;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-col ul li {
            padding: .25rem 0;
        }
        .friend-link {
            display: block;
            background: rgba(255, 255, 255, .07);
            border-radius: 12px;
            padding: 1.4rem 1.8rem;
            margin: 1.2rem 0;
            border: 1px solid rgba(255, 255, 255, .1);
        }
        .friend-link h4 {
            color: #ffd166;
            margin: 0 0 .8rem 0;
        }
        .friend-link ul {
            list-style: none;
            padding-left: 0;
            display: flex;
            flex-wrap: wrap;
            gap: .4rem 1.2rem;
        }
        .friend-link ul li a {
            font-size: .92rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, .15);
            font-size: .88rem;
            color: #b7e4c7;
        }
        .copyright small {
            display: block;
            margin-top: .4rem;
        }
        @media(max-width:768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1b3a2d;
                padding: .8rem 0;
                border-radius: 0 0 16px 16px;
                margin-top: .5rem;
                gap: 0;
            }
            .nav-list li a {
                padding: .7rem 1.5rem;
                white-space: normal;
                border-radius: 0;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .header-inner {
                position: relative;
            }
            nav {
                flex-wrap: wrap;
                width: 100%;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hero {
                padding: 1.5rem 0 1.2rem;
            }
            .pro-con {
                grid-template-columns: 1fr;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 .9rem;
            }
            .comment-box,
            .rating-box,
            .search-section,
            .highlight-box {
                padding: 1.2rem 1.2rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .tag {
            display: inline-block;
            background: #d8f3dc;
            color: #1b4332;
            padding: .15rem .8rem;
            border-radius: 40px;
            font-size: .8rem;
            font-weight: 600;
        }
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity .6s ease, transform .6s ease;
        }
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }