*,
        *::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: #faf8f5;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1280px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #e74c3c;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 24px;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.25;
            color: #1a1a2e;
        }
        h1 {
            font-size: 2.4rem;
            margin: 0.5em 0 0.3em;
        }
        h2 {
            font-size: 1.8rem;
            margin: 1.2em 0 0.5em;
            border-bottom: 3px solid #e67e22;
            padding-bottom: 0.2em;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1em 0 0.4em;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.1rem;
            margin: 0.8em 0 0.3em;
            color: #34495e;
        }
        p {
            margin-bottom: 1em;
        }
        .container {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            padding: 20px 24px 40px;
            margin: 16px 0 40px;
        }
        @media (min-width: 768px) {
            body {
                padding: 0 32px;
            }
            .container {
                padding: 32px 48px 60px;
                margin: 24px 0 48px;
            }
            h1 {
                font-size: 3rem;
            }
            h2 {
                font-size: 2.2rem;
            }
            h3 {
                font-size: 1.5rem;
            }
        }
        header {
            padding: 16px 0 8px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border-bottom: 2px solid #eae4dc;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #c0392b;
            background: #1a1a2e;
            padding: 6px 18px;
            border-radius: 40px;
            text-decoration: none;
            transition: transform 0.2s, background 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
            background: #2c2c4a;
            text-decoration: none;
            color: #f39c12;
        }
        .my-logo span {
            color: #f39c12;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #1a1a2e;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #f0ebe6;
        }
        .nav-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
            align-items: center;
            padding: 0;
        }
        .nav-list li a {
            font-weight: 600;
            padding: 6px 0;
            position: relative;
            color: #2c3e50;
        }
        .nav-list li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #e67e22;
            transition: width 0.25s ease;
        }
        .nav-list li a:hover::after {
            width: 100%;
        }
        @media (max-width: 767px) {
            .nav-toggle {
                display: block;
            }
            .nav-list {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 4px;
                gap: 4px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                display: block;
                padding: 8px 0;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.85rem;
            color: #7f8c8d;
            padding: 10px 0 6px;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #bdc3c7;
            font-size: 1.1rem;
        }
        .breadcrumb a {
            color: #7f8c8d;
        }
        .breadcrumb a:hover {
            color: #c0392b;
        }
        .breadcrumb .active {
            color: #2c3e50;
            font-weight: 600;
        }
        .search-box {
            display: flex;
            margin: 24px 0 20px;
            max-width: 520px;
            border-radius: 60px;
            overflow: hidden;
            border: 2px solid #e0d6cc;
            transition: border-color 0.25s;
            background: #fff;
        }
        .search-box:focus-within {
            border-color: #e67e22;
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 12px 20px;
            font-size: 1rem;
            outline: none;
            background: transparent;
        }
        .search-box button {
            background: #e67e22;
            color: #fff;
            border: none;
            padding: 0 24px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-box button:hover {
            background: #d35400;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin: 28px 0 32px;
        }
        @media (min-width: 600px) {
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 960px) {
            .feature-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .feature-card {
            background: #fcf9f6;
            border-radius: 16px;
            padding: 24px 20px;
            border: 1px solid #eee7e0;
            transition: transform 0.2s, box-shadow 0.25s;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
        }
        .feature-card .icon {
            font-size: 2rem;
            color: #e67e22;
            margin-bottom: 8px;
        }
        .rank-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 28px;
            font-size: 0.92rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .rank-table th {
            background: #1a1a2e;
            color: #f39c12;
            padding: 12px 16px;
            text-align: left;
            font-weight: 700;
        }
        .rank-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #f0ebe6;
        }
        .rank-table tr:hover td {
            background: #fcf6f0;
        }
        @media (max-width: 500px) {
            .rank-table {
                font-size: 0.8rem;
            }
            .rank-table th,
            .rank-table td {
                padding: 8px 10px;
            }
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin: 40px 0 30px;
        }
        @media (min-width: 768px) {
            .interact-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .interact-card {
            background: #f8f4f0;
            border-radius: 16px;
            padding: 24px 20px;
            border: 1px solid #e8dfd6;
        }
        .interact-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 12px;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            padding: 10px 14px;
            border: 1px solid #d5ccc2;
            border-radius: 8px;
            font-size: 0.95rem;
            background: #fff;
            transition: border-color 0.2s;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            border-color: #e67e22;
            outline: none;
        }
        .interact-card textarea {
            resize: vertical;
            min-height: 70px;
        }
        .interact-card .btn {
            background: #e67e22;
            color: #fff;
            border: none;
            padding: 10px 18px;
            border-radius: 40px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
        }
        .interact-card .btn:hover {
            background: #d35400;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d5ccc2;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f39c12;
        }
        footer {
            margin-top: 40px;
            padding: 32px 0 24px;
            border-top: 2px solid #eae4dc;
            font-size: 0.9rem;
            color: #5a5a72;
        }
        friend-link {
            display: block;
            padding: 16px 0 8px;
            font-weight: 600;
            color: #2c3e50;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            color: #c0392b;
        }
        friend-link a:hover {
            color: #e74c3c;
        }
        .copyright {
            padding-top: 16px;
            font-size: 0.82rem;
            color: #95a5a6;
            border-top: 1px solid #ece6e0;
            margin-top: 12px;
            text-align: center;
        }
        .copyright strong {
            color: #2c3e50;
        }
        .last-updated {
            display: inline-block;
            background: #f0ebe6;
            padding: 4px 18px;
            border-radius: 40px;
            font-size: 0.8rem;
            color: #5a5a72;
            margin: 12px 0 4px;
        }
        .badge {
            background: #e67e22;
            color: #fff;
            padding: 2px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .highlight-box {
            background: #fef9f3;
            border-left: 5px solid #e67e22;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .quote {
            font-style: italic;
            color: #4a4a5a;
            border-left: 3px solid #c0392b;
            padding-left: 18px;
            margin: 18px 0;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .flex-between {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .img-caption {
            font-size: 0.82rem;
            color: #7f8c8d;
            margin-top: 6px;
            text-align: center;
        }
        .section-img {
            border-radius: 16px;
            margin: 24px 0 8px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .link-list-inline {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
        }
        .link-list-inline li::before {
            content: "♠ ";
            color: #e67e22;
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .container {
                padding: 12px 14px 30px;
            }
        }