*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fb;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #0047ab;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e67e22;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0a0a23;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: 2.2rem;
            border-left: 6px solid #e67e22;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #e0e4ec;
            padding-bottom: 0.35rem;
        }
        h3 {
            font-size: 1.3rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.1rem;
            color: #2c3e50;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.4rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            border-radius: 24px;
            padding: 1.5rem 2rem 2rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.8rem;
            border-bottom: 2px solid #eef1f7;
            position: relative;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #0a0a23;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #e67e22;
            font-size: 1.8rem;
        }
        .my-logo span {
            background: linear-gradient(135deg, #0047ab, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #666;
            -webkit-text-fill-color: #666;
            background: none;
            margin-left: 0.3rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0a0a23;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #eef1f7;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.8rem;
            align-items: center;
        }
        .main-nav a {
            font-weight: 500;
            padding: 0.4rem 0.8rem;
            border-radius: 30px;
            color: #1a1a2e;
            font-size: 0.9rem;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: #e67e22;
            color: #fff;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.3rem;
            font-size: 0.8rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            font-size: 0.85rem;
            color: #666;
            padding: 0.8rem 0 0.2rem;
            list-style: none;
            margin: 0;
        }
        .breadcrumb li {
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #aaa;
        }
        .breadcrumb a {
            color: #0047ab;
        }
        .breadcrumb .active {
            color: #1a1a2e;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(145deg, #f0f4ff, #ffffff);
            border-radius: 20px;
            padding: 2rem 2rem 1.8rem;
            margin: 1.2rem 0 2rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
            border: 1px solid #e8ecf5;
        }
        .hero-text {
            flex: 2;
            min-width: 260px;
        }
        .hero-img {
            flex: 1;
            min-width: 200px;
        }
        .hero-img img {
            border-radius: 16px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
        }
        .hero h1 {
            border-left-color: #e67e22;
            margin-top: 0;
        }
        .hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.9rem;
            color: #555;
            margin: 0.6rem 0 1rem;
        }
        .hero .meta i {
            color: #e67e22;
            margin-right: 0.3rem;
        }
        .btn {
            display: inline-block;
            padding: 0.65rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            background: #0047ab;
            color: #fff;
            border: none;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
        }
        .btn:hover {
            background: #e67e22;
            color: #fff;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn i {
            margin-right: 0.4rem;
        }
        .search-form,
        .comment-form,
        .score-form {
            background: #f8faff;
            padding: 1.5rem 1.8rem;
            border-radius: 18px;
            border: 1px solid #e4eaf3;
            margin: 2rem 0 1.5rem;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1.2rem;
            border: 2px solid #dce3ef;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #0047ab;
        }
        .search-form button {
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            background: #0047ab;
            color: #fff;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #e67e22;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.8rem 1.2rem;
            border: 2px solid #dce3ef;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            margin-bottom: 0.8rem;
            outline: none;
            transition: border 0.2s;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #0047ab;
        }
        .comment-form textarea {
            min-height: 110px;
            resize: vertical;
        }
        .comment-form .row2 {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .comment-form .row2 input {
            flex: 1;
            min-width: 140px;
        }
        .comment-form button {
            padding: 0.7rem 2rem;
            border-radius: 40px;
            background: #0047ab;
            color: #fff;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover {
            background: #e67e22;
        }
        .score-form {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .score-form select {
            padding: 0.6rem 1.2rem;
            border: 2px solid #dce3ef;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            outline: none;
        }
        .score-form button {
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            background: #e67e22;
            color: #fff;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .score-form button:hover {
            background: #0047ab;
        }
        .content-section {
            margin: 2.5rem 0;
        }
        .content-section .intro-box {
            background: #f4f8ff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            border-left: 5px solid #e67e22;
            margin-bottom: 2rem;
        }
        .link-list {
            background: #fafbfe;
            border-radius: 14px;
            padding: 1.2rem 1.8rem;
            border: 1px solid #e8ecf5;
            margin: 1.2rem 0;
        }
        .link-list a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
        }
        .badge {
            display: inline-block;
            background: #e67e22;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            letter-spacing: 0.5px;
        }
        .highlight {
            background: #fff8e7;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e8ecf5;
        }
        th {
            background: #0a0a23;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8faff;
        }
        tr:hover {
            background: #fff4e5;
        }
        .testimonial {
            background: #f0f4ff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.5rem 0;
            border-left: 5px solid #0047ab;
            font-style: italic;
        }
        .testimonial strong {
            font-style: normal;
            display: block;
            margin-top: 0.6rem;
            color: #0047ab;
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        friend-link {
            display: block;
            background: #f8faff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            border: 1px solid #e4eaf3;
            margin: 2rem 0 1rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #e67e22;
        }
        .site-footer {
            border-top: 2px solid #eef1f7;
            padding: 1.8rem 0 1.2rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.9rem;
            color: #666;
        }
        .site-footer .copyright {
            font-weight: 500;
            color: #1a1a2e;
            margin-bottom: 0.3rem;
        }
        .site-footer i {
            color: #e67e22;
        }
        @media (max-width: 768px) {
            .container {
                padding: 1rem 1.2rem;
            }
            .site-header {
                flex-wrap: nowrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.4rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 0.6rem 0.8rem;
                border-radius: 8px;
            }
            .hero {
                flex-direction: column;
                padding: 1.5rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input[type="text"] {
                width: 100%;
            }
            .score-form {
                flex-direction: column;
                align-items: stretch;
            }
            .comment-form .row2 {
                flex-direction: column;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
        }
        @media (min-width: 769px) {
            .nav-toggle {
                display: none !important;
            }
            .main-nav {
                display: flex !important;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0.8rem 0.8rem;
            }
            .hero {
                padding: 1rem;
            }
            .hero h1 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #0047ab;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
            transition: background 0.2s, transform 0.2s;
            z-index: 999;
            cursor: pointer;
            border: none;
        }
        .scroll-top:hover {
            background: #e67e22;
            transform: translateY(-4px);
        }
        @media (max-width: 600px) {
            .scroll-top {
                bottom: 1.2rem;
                right: 1.2rem;
                width: 42px;
                height: 42px;
                font-size: 1.2rem;
            }
        }