*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fb;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #003d80;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            color: #0b1a2e;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.2rem;
            border-left: 6px solid #f5a623;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #e0e6ef;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.3rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1a2e 0%, #162b44 100%);
            color: #fff;
            padding: 0.8rem 1rem;
            position: sticky;
            top: 0;
            z-index: 100;
            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;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5a623;
            text-shadow: 0 2px 8px rgba(245, 166, 35, 0.3);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #ffb84d;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem;
            align-items: center;
        }
        .main-nav a {
            color: #e8edf5;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover {
            background: rgba(245, 166, 35, 0.2);
            color: #f5a623;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #f5a623;
            color: #0b1a2e;
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 0.6rem 1rem;
            font-size: 0.88rem;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb a {
            color: #2c3e6b;
        }
        .breadcrumb a:hover {
            color: #f5a623;
        }
        .breadcrumb span {
            color: #6b7a93;
        }
        .breadcrumb .sep {
            margin: 0 0.4rem;
            color: #a0b0c6;
        }
        .hero {
            background: linear-gradient(135deg, #0f2440, #1b3a5c);
            color: #fff;
            padding: 2.5rem 1rem;
            border-radius: 0 0 40px 40px;
            margin-bottom: 2rem;
        }
        .hero h1 {
            color: #f5a623;
            border-left-color: #f5a623;
            font-size: 2.4rem;
        }
        .hero p {
            font-size: 1.1rem;
            max-width: 780px;
            color: #cfdcee;
        }
        .hero .meta {
            font-size: 0.92rem;
            color: #a0b9d6;
            margin-top: 0.8rem;
        }
        .hero .meta i {
            margin-right: 0.3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin-top: 1.5rem;
        }
        .main-content {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 2rem 2.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            background: #fff;
            border-radius: 24px;
            padding: 1.6rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #f0f3f8;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .sidebar ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f3f8;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar ul li a i {
            color: #f5a623;
            width: 1.2rem;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-image figcaption {
            background: #f8faff;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #4a5a74;
            border-top: 1px solid #eef2f7;
        }
        .search-box {
            background: #f0f4fd;
            border-radius: 60px;
            padding: 0.3rem 0.3rem 0.3rem 1.4rem;
            display: flex;
            align-items: center;
            max-width: 520px;
            margin: 1.6rem 0;
            border: 1px solid #dce3ec;
            transition: box-shadow 0.3s;
        }
        .search-box:focus-within {
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.3);
            border-color: #f5a623;
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.8rem 0.5rem;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background: #f5a623;
            border: none;
            color: #0b1a2e;
            padding: 0.7rem 1.6rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-box button:hover {
            background: #e09512;
            transform: scale(1.02);
        }
        .interaction-area {
            background: #f9fbfe;
            border-radius: 20px;
            padding: 1.8rem;
            margin-top: 2.5rem;
            border: 1px solid #e8edf5;
        }
        .interaction-area .row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .interaction-area .col {
            flex: 1;
            min-width: 240px;
        }
        .interaction-area h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #dce3ec;
            border-radius: 16px;
            resize: vertical;
            min-height: 80px;
            font-family: inherit;
            font-size: 0.95rem;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #f5a623;
            outline: none;
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #dce3ec;
            border-radius: 12px;
            font-size: 0.95rem;
            margin: 0.5rem 0;
            font-family: inherit;
        }
        .comment-form input[type="text"]:focus {
            border-color: #f5a623;
            outline: none;
        }
        .comment-form .btn-submit {
            background: #0b1a2e;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            margin-top: 0.5rem;
        }
        .comment-form .btn-submit:hover {
            background: #1b3a5c;
            transform: scale(1.02);
        }
        .score-stars {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            margin: 0.6rem 0;
        }
        .score-stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .score-stars i:hover,
        .score-stars i.hover {
            color: #f5a623;
            transform: scale(1.1);
        }
        .score-stars i.selected {
            color: #f5a623;
        }
        .score-display {
            font-size: 0.95rem;
            color: #4a5a74;
            margin-top: 0.4rem;
        }
        .site-footer {
            background: #0b1a2e;
            color: #c8d4e6;
            padding: 2.5rem 1rem 1.5rem;
            margin-top: 3rem;
            border-radius: 40px 40px 0 0;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f5a623;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #a0b9d6;
        }
        .footer-inner a:hover {
            color: #f5a623;
        }
        .footer-inner ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-inner ul li {
            padding: 0.3rem 0;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            padding: 0.8rem 1.2rem;
            border-radius: 12px;
            margin-top: 0.8rem;
            font-size: 0.92rem;
        }
        friend-link a {
            margin: 0 0.6rem 0 0;
            display: inline-block;
        }
        .copyright {
            max-width: 1200px;
            margin: 1.5rem auto 0;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 0.85rem;
            color: #7a8ba6;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0f2440;
                padding: 1rem 0.5rem;
                border-radius: 16px;
                margin-top: 0.8rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1.2rem;
                border-radius: 10px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero {
                padding: 1.8rem 1rem;
                border-radius: 0 0 24px 24px;
            }
            .main-content {
                padding: 1.2rem;
            }
            .interaction-area .row {
                flex-direction: column;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .search-box {
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 0.3rem;
            }
            .search-box input {
                width: 100%;
                padding: 0.6rem 1rem;
            }
            .search-box button {
                width: 100%;
                border-radius: 20px;
                padding: 0.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .main-content {
                padding: 0.8rem;
            }
            .sidebar {
                padding: 1rem;
            }
        }
        .text-small {
            font-size: 0.88rem;
            color: #5a6a84;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .highlight {
            background: #fef7e8;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
        }
        .btn {
            display: inline-block;
            background: #f5a623;
            color: #0b1a2e;
            padding: 0.5rem 1.6rem;
            border-radius: 60px;
            font-weight: 600;
            transition: background 0.25s, transform 0.15s;
        }
        .btn:hover {
            background: #e09512;
            transform: scale(1.03);
            text-decoration: none;
            color: #0b1a2e;
        }
        .tag {
            display: inline-block;
            background: #eef2f7;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            font-size: 0.78rem;
            color: #2c3e6b;
        }