*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #1e6f9f;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0d3b5e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            color: #0b1a2a;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #f39c12;
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 1.8rem;
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.2rem;
            color: #2c3e50;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin-bottom: 1.5rem;
            padding-left: 1.8rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2a 0%, #1a3a4a 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f39c12;
            text-shadow: 0 2px 8px rgba(243, 156, 18, 0.3);
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f1c40f;
        }
        .my-logo span {
            color: #ecf0f1;
            font-weight: 300;
        }
        .my-logo i {
            margin-right: 6px;
            color: #e67e22;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e8f0;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f39c12;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 5px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #fff;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            transition: transform 0.2s ease;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce3ed;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #7f8c8d;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #1e6f9f;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, #0b1a2a 0%, #1e3a4a 100%);
            color: #fff;
            padding: 2.5rem 0 2rem;
            text-align: center;
            border-bottom: 4px solid #f39c12;
        }
        .hero h1 {
            font-size: 2.6rem;
            color: #f39c12;
            margin-bottom: 0.5rem;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        .hero p {
            font-size: 1.15rem;
            opacity: 0.92;
            max-width: 750px;
            margin: 0.5rem auto 1.5rem;
        }
        .hero .badge {
            display: inline-block;
            background: #e67e22;
            padding: 0.25rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: #fff;
        }
        .hero .last-updated {
            margin-top: 1.2rem;
            font-size: 0.9rem;
            opacity: 0.75;
        }
        .search-section {
            background: #fff;
            padding: 1.8rem 0;
            border-bottom: 1px solid #e0e6ef;
        }
        .search-form {
            display: flex;
            max-width: 560px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
            border: 1px solid #d0d9e6;
        }
        .search-form input[type="text"] {
            flex: 1;
            border: none;
            padding: 0.9rem 1.4rem;
            font-size: 1rem;
            outline: none;
            background: #f9fafc;
        }
        .search-form button {
            background: #1e6f9f;
            border: none;
            color: #fff;
            padding: 0.9rem 1.8rem;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s ease;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #0d4b6e;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.8rem;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8edf4;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #f39c12;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px dashed #eaeef5;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-weight: 500;
        }
        .sidebar-card a i {
            color: #f39c12;
            font-size: 0.85rem;
        }
        .content {
            background: #fff;
            border-radius: 20px;
            padding: 2.2rem 2.5rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf4;
        }
        .content .featured-img {
            border-radius: 16px;
            margin: 1.5rem 0 2rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .content .img-caption {
            font-size: 0.85rem;
            color: #6a7a8a;
            text-align: center;
            margin-top: 0.3rem;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0 1.5rem;
        }
        .comment-box,
        .score-box {
            background: #f8faff;
            border-radius: 16px;
            padding: 1.8rem;
            border: 1px solid #e0e8f2;
        }
        .comment-box h3,
        .score-box h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .comment-box form,
        .score-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .comment-box textarea,
        .comment-box input,
        .score-box select,
        .score-box input {
            padding: 0.7rem 1rem;
            border: 1px solid #d0d9e6;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fff;
            transition: border 0.2s ease;
        }
        .comment-box textarea:focus,
        .comment-box input:focus,
        .score-box select:focus {
            border-color: #1e6f9f;
            outline: none;
            box-shadow: 0 0 0 3px rgba(30, 111, 159, 0.08);
        }
        .comment-box textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #1e6f9f;
            color: #fff;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            justify-content: center;
        }
        .btn:hover {
            background: #0d4b6e;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(30, 111, 159, 0.25);
        }
        .btn-score {
            background: #e67e22;
        }
        .btn-score:hover {
            background: #c96a1a;
            box-shadow: 0 6px 16px rgba(230, 126, 34, 0.25);
        }
        .site-footer {
            background: #0b1a2a;
            color: #c8d6e5;
            padding: 2.5rem 0 1.2rem;
            margin-top: 2.5rem;
            border-top: 4px solid #f39c12;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 {
            color: #f39c12;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #b0c4d8;
        }
        .site-footer a:hover {
            color: #f39c12;
        }
        .friend-link {
            display: block;
            padding: 0.4rem 0;
            border-bottom: 1px dashed #2a3a4a;
        }
        .friend-link a {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1e2e3e;
            font-size: 0.85rem;
            color: #8a9aaa;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .content {
                order: 1;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0f2640;
                padding: 1rem 0.5rem;
                border-radius: 0 0 16px 16px;
                margin-top: 0.6rem;
                gap: 0.1rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1rem;
                border-radius: 8px;
                width: 100%;
            }
            .hamburger {
                display: block;
            }
            .content {
                padding: 1.5rem 1.2rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
                border-radius: 20px;
            }
            .search-form input[type="text"] {
                border-radius: 20px 20px 0 0;
            }
            .search-form button {
                border-radius: 0 0 20px 20px;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .content {
                padding: 1rem 0.9rem;
                border-radius: 14px;
            }
            .sidebar-card {
                padding: 1rem;
            }
            .comment-box,
            .score-box {
                padding: 1.2rem;
            }
        }
        @media (max-width: 360px) {
            .my-logo {
                font-size: 1.2rem;
            }
            .hero h1 {
                font-size: 1.2rem;
            }
            .btn {
                padding: 0.6rem 1rem;
                font-size: 0.85rem;
            }
        }
        :target {
            scroll-margin-top: 80px;
        }