* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8f9fc;
            color: #1e1e2a;
            line-height: 1.7;
            font-size: 16px;
            padding: 0;
        }
        a {
            color: #2b4fbe;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #0f2b6b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        header {
            background: linear-gradient(135deg, #0b0e1a 0%, #1a1f33 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            background: linear-gradient(120deg, #f5b301, #ff6b35);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #aab;
            color: #aab;
            display: block;
            letter-spacing: 2px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .main-nav {
            display: flex;
            gap: 8px;
            list-style: none;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e4f0;
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.2s;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            text-decoration: none;
            border-color: rgba(255, 255, 255, 0.15);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb-nav {
            background: #eef0f5;
            padding: 12px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dde0e8;
        }
        .breadcrumb-nav ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb-nav li+li::before {
            content: "›";
            margin-right: 12px;
            color: #889;
        }
        .breadcrumb-nav a {
            color: #2b4fbe;
        }
        .breadcrumb-nav .current {
            color: #555;
            font-weight: 500;
        }
        .search-section {
            background: #fff;
            border-radius: 20px;
            padding: 32px 28px;
            margin: 32px 0;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8ebf2;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #e0e4ef;
            border-radius: 60px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            background: #f8f9fc;
        }
        .search-form input:focus {
            border-color: #2b4fbe;
            background: #fff;
        }
        .search-form button {
            padding: 14px 32px;
            background: #2b4fbe;
            color: #fff;
            border: none;
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1a3a8a;
            transform: scale(1.02);
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            margin: 40px 0;
        }
        .main-content {
            background: #fff;
            border-radius: 24px;
            padding: 40px 36px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.03);
            border: 1px solid #e8ebf2;
        }
        .sidebar {
            background: #fff;
            border-radius: 24px;
            padding: 32px 24px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.03);
            border: 1px solid #e8ebf2;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #0b0e1a;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f0b301;
            color: #0b0e1a;
        }
        h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 10px;
            color: #1a1f33;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #2a2f45;
        }
        p {
            margin-bottom: 18px;
        }
        .lead {
            font-size: 1.2rem;
            color: #3a3f55;
            font-weight: 400;
            line-height: 1.8;
        }
        .highlight-box {
            background: #f0f4fe;
            border-left: 5px solid #2b4fbe;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 28px 0;
        }
        .emoji-lg {
            font-size: 1.6rem;
            margin-right: 6px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 18px;
            margin: 28px 0;
        }
        .stat-card {
            background: #f8f9fc;
            border-radius: 16px;
            padding: 20px;
            text-align: center;
            border: 1px solid #e8ebf2;
            transition: transform 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #2b4fbe;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #667;
        }
        .feature-image {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            background: #eef0f5;
        }
        .feature-image img {
            width: 100%;
            object-fit: cover;
            max-height: 480px;
        }
        .feature-image .caption {
            padding: 12px 20px;
            font-size: 0.85rem;
            color: #667;
            background: #f8f9fc;
            border-top: 1px solid #e8ebf2;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: #2b4fbe;
            color: #fff;
            border-radius: 40px;
            font-weight: 600;
            transition: background 0.2s, transform 0.1s;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
        }
        .btn:hover {
            background: #1a3a8a;
            transform: scale(1.02);
            text-decoration: none;
            color: #fff;
        }
        .btn-secondary {
            background: #f0b301;
            color: #1e1e2a;
        }
        .btn-secondary:hover {
            background: #d9a100;
            color: #1e1e2a;
        }
        .link-list {
            list-style: none;
            padding: 0;
        }
        .link-list li {
            padding: 8px 0;
            border-bottom: 1px solid #eef0f5;
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .link-list a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .link-list a i {
            width: 20px;
            color: #f0b301;
        }
        .comment-section,
        .rating-section {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid #e8ebf2;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #e0e4ef;
            border-radius: 12px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            font-family: inherit;
            margin-bottom: 12px;
            background: #f8f9fc;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #2b4fbe;
            background: #fff;
        }
        .comment-form textarea {
            min-height: 110px;
            resize: vertical;
        }
        .comment-list {
            margin-top: 24px;
        }
        .comment-item {
            padding: 16px 0;
            border-bottom: 1px solid #eef0f5;
        }
        .comment-item .author {
            font-weight: 600;
            color: #0b0e1a;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #889;
            margin-left: 12px;
        }
        .comment-item .text {
            margin-top: 6px;
            color: #2a2f45;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            font-size: 2rem;
            justify-content: flex-end;
            margin: 12px 0 20px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #dde0e8;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b301;
        }
        .rating-summary {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin: 16px 0;
        }
        .rating-summary .avg {
            font-size: 2.4rem;
            font-weight: 800;
            color: #0b0e1a;
        }
        footer {
            background: #0b0e1a;
            color: #c8cce0;
            padding: 48px 0 32px;
            margin-top: 60px;
        }
        footer a {
            color: #aab4dd;
        }
        footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 12px;
            border-bottom: 2px solid #2b4fbe;
            padding-bottom: 6px;
        }
        friend-link {
            display: block;
            padding: 8px 0;
        }
        friend-link a {
            display: inline-block;
            padding: 4px 0;
        }
        .copyright {
            border-top: 1px solid #2a2f45;
            padding-top: 20px;
            font-size: 0.85rem;
            text-align: center;
            color: #8899b0;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 16px;
                gap: 4px;
                background: rgba(255, 255, 255, 0.04);
                padding: 12px;
                border-radius: 16px;
            }
            .main-nav a {
                display: block;
                padding: 12px 16px;
                border-radius: 12px;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.nav-wrapper .main-nav {
                display: flex;
            }
            .container {
                padding: 0 16px;
            }
            .main-content {
                padding: 24px 18px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .breadcrumb-nav ol {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .rating-summary .avg {
                font-size: 1.8rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .text-muted {
            color: #667;
        }
        .flex {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .gap-8 {
            gap: 8px;
        }