        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
            background: #f7f4f0;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s, background 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #e67e22;
            text-decoration: underline;
            outline: 2px solid #e67e22;
            outline-offset: 2px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #0f1a2e;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #c0392b;
            padding-bottom: 0.5rem;
            margin-top: 0.2rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #c0392b;
            padding-left: 0.9rem;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 1.8rem;
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.2rem;
            color: #2c3e50;
        }
        p {
            margin-bottom: 1.1rem;
            word-break: break-word;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0f1a2e 0%, #1a2a44 100%);
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
            backdrop-filter: blur(4px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f1c40f, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(241, 196, 15, 0.25);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #f1c40f;
            font-size: 1.5rem;
        }
        .my-logo span {
            -webkit-text-fill-color: #fff;
            background: none;
            font-weight: 300;
            font-size: 0.8rem;
            letter-spacing: 1px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem 0.8rem;
            flex-wrap: wrap;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #f0e9e0;
            font-weight: 500;
            font-size: 0.92rem;
            padding: 0.4rem 0.7rem;
            border-radius: 8px;
            transition: background 0.25s, color 0.2s;
            white-space: nowrap;
        }
        .nav-list li a:hover,
        .nav-list li a:focus-visible {
            background: rgba(255, 255, 255, 0.15);
            color: #f1c40f;
            text-decoration: none;
        }
        .hamburger-btn {
            display: none;
            background: transparent;
            border: none;
            color: #f0e9e0;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb-wrap {
            background: #ece7e0;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d6cec4;
        }
        .breadcrumb-wrap ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-wrap li+li::before {
            content: "›";
            color: #7f8c8d;
            margin-right: 0.4rem;
            font-weight: 700;
        }
        .breadcrumb-wrap a {
            color: #c0392b;
        }
        .breadcrumb-wrap .current {
            color: #2c3e50;
            font-weight: 600;
        }
        .hero-figure {
            margin: 1.6rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            background: #e8e2d8;
            position: relative;
        }
        .hero-figure img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            transition: transform 0.4s;
        }
        .hero-figure:hover img {
            transform: scale(1.01);
        }
        .hero-figure figcaption {
            padding: 0.7rem 1.2rem;
            background: rgba(15, 26, 46, 0.85);
            color: #f0e9e0;
            font-size: 0.9rem;
            text-align: center;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
        }
        .search-section {
            background: #fff;
            border-radius: 14px;
            padding: 1.4rem 1.8rem;
            margin: 1.8rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e0d8ce;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .search-form input[type="search"] {
            flex: 1 1 220px;
            padding: 0.7rem 1rem;
            border: 2px solid #d6cec4;
            border-radius: 10px;
            font-size: 1rem;
            background: #fcfaf8;
            transition: border-color 0.25s, box-shadow 0.25s;
            min-width: 160px;
        }
        .search-form input[type="search"]:focus {
            border-color: #c0392b;
            box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.15);
            outline: none;
        }
        .search-form button {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #a93226;
            transform: translateY(-1px);
        }
        .search-form button:active {
            transform: scale(0.97);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.4rem;
            margin: 2rem 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.4rem 1.8rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e0d8ce;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.6rem;
            margin: 0.6rem 0 0.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d6cec4;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
            transform: scale(1.05);
        }
        .feedback-card textarea {
            width: 100%;
            border: 2px solid #d6cec4;
            border-radius: 10px;
            padding: 0.7rem 1rem;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 80px;
            background: #fcfaf8;
            transition: border-color 0.25s;
        }
        .feedback-card textarea:focus {
            border-color: #c0392b;
            outline: none;
            box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
        }
        .feedback-card .btn-submit {
            background: #0f1a2e;
            color: #fff;
            border: none;
            padding: 0.6rem 1.6rem;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            margin-top: 0.6rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .feedback-card .btn-submit:hover {
            background: #1a2a44;
            transform: translateY(-1px);
        }
        .feedback-card .btn-submit:active {
            transform: scale(0.97);
        }
        .feedback-note {
            font-size: 0.8rem;
            color: #7f8c8d;
            margin-top: 0.3rem;
        }
        .content-wrap {
            background: #fff;
            border-radius: 18px;
            padding: 2rem 2.2rem;
            margin: 1.2rem 0 2rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
        }
        .content-wrap p,
        .content-wrap li {
            font-size: 1.02rem;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 6px solid #f1c40f;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .highlight-box strong {
            color: #c0392b;
        }
        .pro-tip {
            background: #eaf7ee;
            border-left: 6px solid #27ae60;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .pro-tip::before {
            content: "💡 Pro Tip: ";
            font-weight: 700;
            color: #1e8449;
        }
        .player-quote {
            background: #f0f4f8;
            border-radius: 14px;
            padding: 1.4rem 1.8rem;
            margin: 1.6rem 0;
            font-style: italic;
            border: 1px solid #d6dee6;
            position: relative;
        }
        .player-quote::before {
            content: "🗣️";
            font-size: 1.6rem;
            margin-right: 0.5rem;
        }
        .player-quote .attribution {
            display: block;
            margin-top: 0.6rem;
            font-style: normal;
            font-weight: 600;
            color: #2c3e50;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
            margin: 1.6rem 0;
        }
        .stat-item {
            background: #f7f4f0;
            border-radius: 12px;
            padding: 1rem 1.2rem;
            text-align: center;
            border: 1px solid #e0d8ce;
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #c0392b;
            display: block;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: #4a5a6a;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.6rem 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        .table-wrap th {
            background: #0f1a2e;
            color: #fff;
            padding: 0.7rem 1rem;
            text-align: left;
        }
        .table-wrap td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #e0d8ce;
        }
        .table-wrap tr:nth-child(even) td {
            background: #f9f7f4;
        }
        .table-wrap tr:hover td {
            background: #fef9e7;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.4rem;
            border-top: 2px solid #e0d8ce;
            margin-top: 1.8rem;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 0.8rem 0.3rem 0;
            padding: 0.2rem 0.6rem;
            background: #f0e9e0;
            border-radius: 6px;
            font-size: 0.9rem;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #c0392b;
            color: #fff;
            text-decoration: none;
        }
        .site-footer {
            background: #0f1a2e;
            color: #bdc3c7;
            padding: 1.8rem 0 1.2rem;
            margin-top: auto;
            font-size: 0.88rem;
            border-top: 4px solid #c0392b;
        }
        .site-footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
        }
        .site-footer a {
            color: #f1c40f;
        }
        .site-footer a:hover {
            color: #e67e22;
        }
        .copyright {
            font-size: 0.82rem;
            opacity: 0.8;
        }
        @media (max-width: 820px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .content-wrap {
                padding: 1.4rem 1.2rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 680px) {
            .nav-list {
                display: none;
                flex-direction: column;
                background: #1a2a44;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 0.8rem 1.2rem;
                border-radius: 0 0 16px 16px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
                gap: 0.2rem;
                z-index: 999;
            }
            .nav-list li a {
                display: block;
                padding: 0.6rem 0.8rem;
                font-size: 1rem;
            }
            .hamburger-btn {
                display: block;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .header-inner {
                position: relative;
            }
            .nav-wrapper {
                position: relative;
            }
            .search-form button span {
                display: none;
            }
            .search-form button i {
                margin-right: 0;
            }
            .hero-figure figcaption {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
            .site-footer .container {
                flex-direction: column;
                text-align: center;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .content-wrap {
                padding: 1rem 0.8rem;
            }
            .feedback-card {
                padding: 1rem 1.2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 420px) {
            .container {
                padding: 0 0.7rem;
            }
            .search-section {
                padding: 1rem 1.2rem;
            }
            .search-form input[type="search"] {
                min-width: 120px;
                font-size: 0.9rem;
            }
            .feedback-card textarea {
                font-size: 0.9rem;
            }
        }
        :focus-visible {
            outline: 3px solid #e67e22;
            outline-offset: 2px;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 1rem;
            background: #c0392b;
            color: #fff;
            padding: 0.5rem 1rem;
            border-radius: 0 0 8px 8px;
            z-index: 10000;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        @media (prefers-reduced-motion: no-preference) {
            * {
                scroll-behavior: smooth;
            }
            .content-wrap,
            .feedback-card,
            .search-section,
            .hero-figure {
                animation: fadeUp 0.5s ease-out;
            }
            @keyframes fadeUp {
                0% {
                    opacity: 0;
                    transform: translateY(18px);
                }
                100% {
                    opacity: 1;
                    transform: translateY(0);
                }
            }
        }
