*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.8;
            color: #1e2a3a;
            background: #f8fafc;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0a6e5e;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #084c41;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.8rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #0b2b3b;
            margin-top: 0;
        }
        h1 {
            font-size: 2.6rem;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            margin-top: 3rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #0a6e5e;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: #0f4b5e;
        }
        h4 {
            font-size: 1.2rem;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #1a5f6e;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #2c3e4e;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
            width: 100%;
        }
        .site-header {
            background: linear-gradient(135deg, #0b2b3b 0%, #124f5e 100%);
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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: 1.8rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #f9d976, #f39c12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 10px rgba(243, 156, 18, 0.3);
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #aad0d8;
            color: #aad0d8;
            display: block;
            font-weight: 400;
            letter-spacing: 0.1em;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e2f0f3;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .main-nav a.active {
            background: #f39c12;
            color: #0b2b3b;
        }
        .breadcrumb {
            background: #eef5f7;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d5e4e8;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.5rem;
            color: #7a9ba6;
        }
        .breadcrumb a {
            color: #0a6e5e;
        }
        .breadcrumb .current {
            color: #4a6a76;
            font-weight: 500;
        }
        .main-content {
            flex: 1;
            padding: 2.5rem 0 3rem;
        }
        .content-card {
            background: #fff;
            border-radius: 20px;
            padding: 2.5rem 2.8rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            margin-bottom: 2rem;
        }
        .featured-image {
            border-radius: 16px;
            overflow: hidden;
            margin: 1.8rem 0 2.5rem;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.1);
            background: #eef5f7;
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #4a6a76;
            background: #f5fafc;
            border-top: 1px solid #d5e4e8;
            font-style: italic;
        }
        .search-section {
            background: linear-gradient(135deg, #e8f4f7, #d5eaee);
            border-radius: 16px;
            padding: 2rem 2.2rem;
            margin: 2.5rem 0;
        }
        .search-form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            max-width: 650px;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.9rem 1.4rem;
            border: 2px solid #c0d9e0;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s ease;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #0a6e5e;
            box-shadow: 0 0 0 4px rgba(10, 110, 94, 0.1);
        }
        .search-form button {
            padding: 0.9rem 2.2rem;
            background: #0a6e5e;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover,
        .search-form button:focus {
            background: #084c41;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(10, 110, 94, 0.3);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .comment-box,
        .rating-box {
            background: #f5fafc;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            border: 1px solid #d5e4e8;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            font-size: 1.3rem;
            color: #0b2b3b;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #c0d9e0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.25s ease;
            background: #fff;
            margin-bottom: 0.8rem;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #0a6e5e;
            box-shadow: 0 0 0 4px rgba(10, 110, 94, 0.08);
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            padding: 0.7rem 2rem;
            background: #0a6e5e;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #084c41;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            margin: 0.8rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #c0d9e0;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f39c12;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .rating-form select {
            padding: 0.7rem 1rem;
            border: 2px solid #c0d9e0;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fff;
            outline: none;
        }
        friend-link {
            display: block;
            background: #f0f6f8;
            border-radius: 16px;
            padding: 1.8rem 2.2rem;
            margin: 2.5rem 0 1.5rem;
            border: 1px solid #d5e4e8;
        }
        friend-link::before {
            content: "🤝 🤝 🤝";
            display: block;
            font-size: 1.4rem;
            margin-bottom: 0.6rem;
            letter-spacing: 0.3rem;
        }
        friend-link .fl-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: #0b2b3b;
            margin-bottom: 0.8rem;
            display: block;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.5rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        friend-link .fl-list li {
            margin: 0;
        }
        friend-link .fl-list a {
            color: #0a6e5e;
            font-weight: 500;
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
            transition: background 0.2s;
        }
        friend-link .fl-list a:hover {
            background: #d5eaee;
            text-decoration: none;
        }
        .site-footer {
            background: #0b2b3b;
            color: #c8dce3;
            padding: 2.5rem 0 1.8rem;
            margin-top: 2rem;
        }
        .site-footer .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: #f0f8fa;
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #1f5e6e;
            padding-bottom: 0.4rem;
            margin-bottom: 1rem;
        }
        .site-footer a {
            color: #aad0d8;
        }
        .site-footer a:hover {
            color: #f9d976;
        }
        .site-footer .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 1.8rem;
            border-top: 1px solid #1f4e5e;
            margin-top: 1.5rem;
            font-size: 0.9rem;
            color: #8aafb8;
        }
        .site-footer .copyright strong {
            color: #c8dce3;
        }
        @media (max-width: 992px) {
            .content-card {
                padding: 1.8rem 1.5rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 2.1rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 1rem 0 0.5rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 0.7rem 1rem;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .content-card {
                padding: 1.2rem 1rem;
                border-radius: 12px;
            }
            .search-section {
                padding: 1.5rem 1.2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
                margin-top: 2rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
            .featured-image {
                margin: 1.2rem 0 1.8rem;
            }
            .comment-box,
            .rating-box {
                padding: 1.2rem 1.2rem;
            }
            friend-link {
                padding: 1.2rem 1.2rem;
            }
            .container {
                padding: 0 0.8rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .content-card {
                padding: 0.8rem 0.8rem;
            }
            p {
                font-size: 0.98rem;
            }
        }
        .highlight {
            background: linear-gradient(120deg, #f9d97633, #f39c1222);
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #0a6e5e;
            color: #fff;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .updated-date {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #e8f4f7;
            padding: 0.4rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #0f4b5e;
            margin-bottom: 1.5rem;
        }
        .emoji-lg {
            font-size: 1.4em;
            line-height: 1;
        }
        .scroll-offset {
            scroll-margin-top: 100px;
        }
        @media print {
            .site-header {
                position: static;
            }
            .nav-toggle {
                display: none !important;
            }
            .main-nav {
                display: flex !important;
            }
            .search-section,
            .interaction-grid {
                break-inside: avoid;
            }
        }