*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
            background: #f8f9fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #3a5a9f;
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #1d3557;
        }
        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: #0b1a2e;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4em;
            border-left: 6px solid #f77f00;
            padding-left: 20px;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #e0e4ed;
            padding-bottom: 8px;
        }
        h3 {
            font-size: 1.4rem;
            color: #2a3b5c;
        }
        h4 {
            font-size: 1.15rem;
            color: #3d4f70;
        }
        p {
            margin-bottom: 1.2em;
        }
        ul,
        ol {
            margin-bottom: 1.2em;
            padding-left: 1.8em;
        }
        li {
            margin-bottom: 0.4em;
        }
        hr {
            border: none;
            border-top: 2px dashed #d0d5e0;
            margin: 2.4em 0;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1d3557 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f77f00, #fcbf49);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(247, 127, 0, 0.3);
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.55rem;
            font-weight: 400;
            -webkit-text-fill-color: #aac4e0;
            display: block;
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 6px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #d4e0f0;
            text-decoration: none;
            font-size: 0.92rem;
            font-weight: 500;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            color: #fff;
            border-bottom-color: #f77f00;
        }
        .main-nav a.active {
            color: #fff;
            border-bottom-color: #f77f00;
        }
        .breadcrumb {
            background: #edf0f7;
            padding: 12px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce1ec;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #7a8aa6;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #3a5a9f;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #0b1a2e;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #eef2f9 0%, #dce4f0 100%);
            padding: 40px 0 32px;
            border-bottom: 1px solid #d0d8e6;
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-top: 0;
        }
        .hero .subtitle {
            font-size: 1.15rem;
            color: #2a3b5c;
            max-width: 720px;
            margin-top: 8px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 30px;
            margin-top: 18px;
            font-size: 0.9rem;
            color: #4a5a7a;
        }
        .hero-meta i {
            margin-right: 6px;
            color: #f77f00;
        }
        .search-section {
            background: #fff;
            padding: 28px 0;
            border-bottom: 1px solid #e0e4ed;
        }
        .search-form {
            display: flex;
            gap: 12px;
            max-width: 620px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #d0d8e6;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
            background: #f8f9fc;
        }
        .search-form input[type="text"]:focus {
            border-color: #f77f00;
        }
        .search-form button {
            padding: 14px 32px;
            background: #1d3557;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #0b1a2e;
            transform: scale(1.02);
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
        }
        .content-body article {
            background: #fff;
            border-radius: 20px;
            padding: 32px 36px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        .content-body article>*:first-child {
            margin-top: 0;
        }
        .content-body article h2:first-of-type {
            margin-top: 0.2em;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 22px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin-bottom: 28px;
            border: 1px solid #ebeff5;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 14px;
            border-bottom: 2px solid #f77f00;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            margin-bottom: 8px;
        }
        .sidebar-card a {
            text-decoration: none;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card a i {
            color: #f77f00;
            width: 20px;
            text-align: center;
        }
        .sidebar-card a:hover {
            text-decoration: underline;
        }
        .rating-area {
            margin: 2em 0 1.2em;
            padding: 20px 22px;
            background: #f4f6fb;
            border-radius: 16px;
            border: 1px solid #e0e6f0;
        }
        .rating-area h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
            margin: 10px 0 14px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d0d5e0;
            cursor: pointer;
            transition: color 0.2s, transform 0.1s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f77f00;
        }
        .star-rating label:hover {
            transform: scale(1.2);
        }
        .rating-form button {
            padding: 10px 28px;
            background: #f77f00;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .rating-form button:hover {
            background: #d96b00;
        }
        .comment-area {
            margin: 2.4em 0 1.2em;
            padding: 22px 24px;
            background: #f4f6fb;
            border-radius: 16px;
            border: 1px solid #e0e6f0;
        }
        .comment-area h4 {
            margin-top: 0;
        }
        .comment-area textarea {
            width: 100%;
            min-height: 110px;
            padding: 14px 16px;
            border: 2px solid #d0d8e6;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            transition: border-color 0.3s;
            background: #fff;
        }
        .comment-area textarea:focus {
            border-color: #f77f00;
            outline: none;
        }
        .comment-area input[type="text"] {
            width: 100%;
            max-width: 360px;
            padding: 12px 16px;
            border: 2px solid #d0d8e6;
            border-radius: 40px;
            font-size: 0.95rem;
            margin-top: 8px;
            transition: border-color 0.3s;
        }
        .comment-area input[type="text"]:focus {
            border-color: #f77f00;
            outline: none;
        }
        .comment-area .btn-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 14px;
        }
        .comment-area button {
            padding: 12px 32px;
            background: #1d3557;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-area button:hover {
            background: #0b1a2e;
        }
        .featured-image {
            margin: 2em 0 2.2em;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            display: block;
        }
        .featured-image figcaption {
            padding: 12px 18px;
            background: #edf0f7;
            font-size: 0.88rem;
            color: #3d4f70;
            font-style: italic;
        }
        .data-table {
            overflow-x: auto;
            margin: 1.6em 0;
        }
        .data-table table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        .data-table th {
            background: #1d3557;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #e0e4ed;
        }
        .data-table tr:nth-child(even) {
            background: #f8f9fc;
        }
        .data-table tr:hover td {
            background: #edf2fa;
        }
        .site-footer {
            background: #0b1a2e;
            color: #c8d4e6;
            padding: 40px 0 28px;
            border-top: 4px solid #f77f00;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
        }
        .footer-grid h4 {
            color: #fff;
            margin-top: 0;
            font-size: 1.05rem;
            border-left: 4px solid #f77f00;
            padding-left: 14px;
        }
        .footer-grid a {
            color: #aac4e0;
            text-decoration: none;
        }
        .footer-grid a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid li {
            margin-bottom: 6px;
        }
        friend-link {
            display: block;
            padding: 18px 0 6px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 28px;
            font-size: 0.92rem;
        }
        friend-link a {
            color: #fcbf49;
            text-decoration: none;
            font-weight: 500;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 22px;
            margin-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.85rem;
            color: #8a9ab6;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding-top: 16px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 8px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            .content-body article {
                padding: 20px 18px;
            }
            .hero h1 {
                font-size: 1.6rem;
                padding-left: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .search-form input[type="text"] {
                min-width: 140px;
            }
            .data-table table {
                font-size: 0.82rem;
            }
            .rating-area,
            .comment-area {
                padding: 16px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hero .subtitle {
                font-size: 0.95rem;
            }
            .search-form button {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
        }
        .tag {
            display: inline-block;
            background: #edf2fa;
            padding: 2px 14px;
            border-radius: 40px;
            font-size: 0.82rem;
            color: #1d3557;
            font-weight: 500;
        }
        .highlight-box {
            background: #fef8ee;
            border-left: 6px solid #f77f00;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 1.6em 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .emoji-lg {
            font-size: 1.4em;
            line-height: 1;
        }
        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #1d3557;
            color: #fff;
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.82rem;
            font-weight: 600;
        }