*,
        *::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, BlinkMacSystemFont, sans-serif;
            background: #f4f7fa;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #0d6e6e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #094c4c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 1.5rem 2rem 2rem;
            margin-top: 1.5rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 640px) {
            .container {
                padding: 1rem 1rem 1.5rem;
                border-radius: 16px;
                margin-top: 0.8rem;
            }
            body {
                padding: 0 0.5rem;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 1rem;
            border-bottom: 2px solid #e6edf4;
            margin-bottom: 1rem;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #0b3d3d, #1a7a7a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #1a7a7a;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 0.5rem 1rem;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 40px;
            transition: background 0.2s, color 0.2s;
            color: #1e2a3a;
        }
        .main-nav a:hover {
            background: #dce9f2;
            color: #094c4c;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #0d6e6e;
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e2a3a;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e6edf4;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #ffffff;
                border-radius: 16px;
                padding: 0.8rem 0.4rem;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                margin-top: 0.8rem;
                border: 1px solid #e6edf4;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 30px;
            }
            .site-header {
                flex-wrap: wrap;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                width: 100%;
                justify-content: flex-end;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            font-size: 0.9rem;
            padding: 0.4rem 0 1rem;
            color: #5f6c7a;
        }
        .breadcrumb a {
            color: #0d6e6e;
        }
        .breadcrumb span {
            color: #8a9aa8;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            max-width: 500px;
            margin: 1.8rem 0 1.2rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid #dce4ec;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            background: #f9fbfd;
            min-width: 140px;
        }
        .search-form input:focus {
            border-color: #0d6e6e;
        }
        .search-form button {
            padding: 0.7rem 1.6rem;
            background: #0d6e6e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #094c4c;
            transform: scale(1.02);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0 1.5rem;
            padding: 1.5rem 0;
            border-top: 2px solid #e6edf4;
            border-bottom: 2px solid #e6edf4;
        }
        @media (max-width: 640px) {
            .interaction-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
        }
        .comment-box textarea,
        .score-box select,
        .score-box button,
        .comment-box button {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 12px;
            border: 2px solid #dce4ec;
            font-size: 0.95rem;
            background: #f9fbfd;
            transition: border 0.2s;
        }
        .comment-box textarea:focus,
        .score-box select:focus {
            border-color: #0d6e6e;
            outline: none;
        }
        .comment-box textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-box button,
        .score-box button {
            background: #0d6e6e;
            color: #fff;
            border: none;
            font-weight: 600;
            cursor: pointer;
            margin-top: 0.5rem;
            transition: background 0.2s;
        }
        .comment-box button:hover,
        .score-box button:hover {
            background: #094c4c;
        }
        .score-box select {
            margin-bottom: 0.4rem;
        }
        .score-box label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin: 0.6rem 0 1.2rem;
            background: linear-gradient(135deg, #0b3d3d, #1a7a7a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 2.2rem 0 1rem;
            padding-bottom: 0.3rem;
            border-bottom: 3px solid #dce9f2;
            color: #0b3d3d;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            color: #1a5a5a;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.4rem 0 0.5rem;
            color: #1e2a3a;
        }
        p {
            margin-bottom: 1rem;
            color: #2a3a4a;
        }
        .lead {
            font-size: 1.2rem;
            color: #2a4a4a;
            font-weight: 400;
            border-left: 4px solid #0d6e6e;
            padding-left: 1.2rem;
            margin: 1.2rem 0 1.8rem;
        }
        @media (max-width: 640px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .lead {
                font-size: 1rem;
            }
        }
        .feature-image {
            margin: 2rem 0 1.8rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        }
        .feature-image img {
            width: 100%;
            max-height: 520px;
            object-fit: cover;
        }
        .feature-image figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            color: #5f6c7a;
            background: #f9fbfd;
            border-top: 1px solid #e6edf4;
        }
        .embedded-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            background: #f0f5fa;
            padding: 1.2rem 1.5rem;
            border-radius: 16px;
            margin: 1.8rem 0;
            list-style: none;
        }
        .embedded-links li a {
            font-weight: 500;
            background: #ffffff;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            border: 1px solid #dce4ec;
            transition: background 0.2s, border 0.2s;
            display: inline-block;
            font-size: 0.9rem;
        }
        .embedded-links li a:hover {
            background: #0d6e6e;
            color: #fff;
            border-color: #0d6e6e;
            text-decoration: none;
        }
        blockquote {
            background: #edf4f7;
            border-left: 5px solid #0d6e6e;
            padding: 1.2rem 1.8rem;
            margin: 1.8rem 0;
            border-radius: 0 16px 16px 0;
            font-style: italic;
            color: #1a3a3a;
        }
        blockquote strong {
            font-style: normal;
            display: block;
            margin-top: 0.5rem;
            color: #0b3d3d;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.2rem;
            margin: 1.8rem 0;
        }
        .data-card {
            background: #f0f5fa;
            padding: 1.2rem 1rem;
            border-radius: 16px;
            text-align: center;
            border: 1px solid #dce4ec;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
        }
        .data-card .number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #0d6e6e;
            line-height: 1.2;
        }
        .data-card .label {
            font-size: 0.95rem;
            color: #3a4a5a;
            font-weight: 500;
        }
        .site-footer {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 2px solid #e6edf4;
            font-size: 0.95rem;
            color: #5f6c7a;
        }
        .footer-flex {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.5rem 2rem;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.4rem;
            font-weight: 500;
        }
        friend-link a {
            color: #0d6e6e;
            font-size: 0.95rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.2rem;
            margin-top: 0.8rem;
            border-top: 1px solid #e6edf4;
            font-size: 0.85rem;
            color: #7a8a9a;
        }
        .update-badge {
            display: inline-block;
            background: #dce9f2;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #094c4c;
            margin-bottom: 0.8rem;
        }
        .emoji-lg {
            font-size: 1.6rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .highlight {
            background: #fff3d6;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 1.5rem 0;
        }
        @media (max-width: 640px) {
            .two-col {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e6edf4;
        }
        th {
            background: #eef4f8;
            font-weight: 600;
            color: #0b3d3d;
        }
        tr:hover td {
            background: #f8fbfe;
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-card .number {
                font-size: 1.8rem;
            }
        }