* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f8f9fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
        }
        a {
            color: #0056b3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ff6b35;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0a0e27 0%, #1a1a3e 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(90deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.8rem;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            display: block;
            font-weight: 400;
            letter-spacing: 2px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
            align-items: center;
        }
        nav a {
            color: #e0e0f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #ffd200;
            text-decoration: none;
        }
        .nav-active {
            color: #ffd200 !important;
            border-bottom: 2px solid #ffd200;
        }
        .breadcrumb {
            background: #eef1f7;
            padding: 12px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce0e8;
            max-width: 1200px;
            margin: 0 auto;
            border-radius: 0 0 10px 10px;
        }
        .breadcrumb a {
            color: #2c3e70;
        }
        .breadcrumb a:hover {
            color: #ff6b35;
        }
        .breadcrumb span {
            color: #6b7a9a;
        }
        main {
            padding: 30px 20px 50px;
            max-width: 1200px;
            margin: 0 auto;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0a0e27;
            margin-bottom: 10px;
            line-height: 1.2;
            border-left: 6px solid #f7971e;
            padding-left: 20px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1a1a3e;
            margin-top: 50px;
            margin-bottom: 18px;
            padding-bottom: 8px;
            border-bottom: 3px solid #e0e4f0;
            position: relative;
        }
        h2::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 80px;
            height: 3px;
            background: #f7971e;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1f2a4a;
            margin-top: 36px;
            margin-bottom: 14px;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2c3e70;
            margin-top: 26px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2d2d44;
        }
        .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            margin: 14px 0 28px;
            padding: 12px 18px;
            background: #eef1f7;
            border-radius: 10px;
            font-size: 0.95rem;
            color: #4a5a7a;
        }
        .post-meta i {
            margin-right: 6px;
            color: #f7971e;
        }
        .featured-img {
            margin: 30px 0 40px;
            border-radius: 14px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.10);
            overflow: hidden;
        }
        .featured-img img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-img figcaption {
            background: #f0f3fa;
            padding: 10px 18px;
            font-size: 0.9rem;
            color: #4a5a7a;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fef9e7, #fdf2d7);
            border-left: 5px solid #f7971e;
            padding: 20px 28px;
            border-radius: 10px;
            margin: 30px 0;
            font-weight: 500;
        }
        .highlight-box strong {
            color: #b45309;
        }
        .btn {
            display: inline-block;
            background: #f7971e;
            color: #fff !important;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            transition: background 0.3s, transform 0.2s;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }
        .btn:hover {
            background: #e07d0e;
            transform: translateY(-2px);
            text-decoration: none;
            color: #fff !important;
        }
        .btn-secondary {
            background: #2c3e70;
        }
        .btn-secondary:hover {
            background: #1a2a4e;
        }
        .link-list {
            background: #f4f6fc;
            padding: 18px 24px;
            border-radius: 12px;
            margin: 30px 0;
            border: 1px solid #dce0e8;
        }
        .link-list a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 12px;
            background: #fff;
            border-radius: 20px;
            border: 1px solid #d0d6e4;
            font-size: 0.95rem;
            transition: all 0.2s;
        }
        .link-list a:hover {
            background: #f7971e;
            color: #fff;
            border-color: #f7971e;
            text-decoration: none;
        }
        .search-section {
            background: #e8ecf5;
            padding: 30px 24px;
            border-radius: 14px;
            margin: 40px 0;
            text-align: center;
        }
        .search-section form {
            display: flex;
            max-width: 600px;
            margin: 14px auto 0;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #ccd4e4;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-section input[type="text"]:focus {
            border-color: #f7971e;
        }
        .search-section button {
            padding: 14px 32px;
            border: none;
            background: #f7971e;
            color: #fff;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-section button:hover {
            background: #e07d0e;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
        }
        @media (max-width: 768px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .card {
            background: #fff;
            padding: 28px 24px;
            border-radius: 16px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            border: 1px solid #eaeef5;
        }
        .card h3 {
            margin-top: 0;
            font-size: 1.4rem;
        }
        .card textarea,
        .card input[type="number"],
        .card input[type="text"] {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce0e8;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            outline: none;
            transition: border 0.3s;
            margin-bottom: 14px;
        }
        .card textarea:focus,
        .card input:focus {
            border-color: #f7971e;
        }
        .card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            color: #d0d6e4;
            cursor: pointer;
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.2s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f7b731;
            transform: scale(1.08);
        }
        .card .btn {
            width: 100%;
            text-align: center;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 30px 0;
            border-radius: 12px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.98rem;
        }
        table th {
            background: #1a1a3e;
            color: #fff;
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
        }
        table td {
            padding: 12px 18px;
            border-bottom: 1px solid #eef1f7;
        }
        table tr:hover td {
            background: #f8f9fc;
        }
        footer {
            background: #0a0e27;
            color: #c0c8e0;
            padding: 40px 20px 20px;
            margin-top: 60px;
        }
        footer .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        footer h4 {
            color: #ffd200;
            margin-top: 0;
            font-size: 1.1rem;
        }
        footer a {
            color: #b0b8d0;
        }
        footer a:hover {
            color: #ffd200;
        }
        friend-link {
            display: block;
            background: #141836;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 20px 0;
            border: 1px solid #2a3050;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            padding: 4px 0;
            font-weight: 500;
            color: #aab4d4;
        }
        friend-link a:hover {
            color: #ffd200;
            text-decoration: none;
        }
        .copyright {
            border-top: 1px solid #1f2440;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #7a84a4;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 4px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 10px 14px;
                border-radius: 8px;
                width: 100%;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 14px;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .post-meta {
                flex-direction: column;
                gap: 8px;
            }
            .header-inner {
                padding: 0 12px;
            }
            .my-logo {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            main {
                padding: 20px 12px 40px;
            }
            .container {
                padding: 0 12px;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="text"] {
                min-width: auto;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #f7971e;
            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(247, 151, 30, 0.35);
            cursor: pointer;
            transition: transform 0.2s, opacity 0.3s;
            opacity: 0;
            visibility: hidden;
            border: none;
            z-index: 999;
        }
        .scroll-top.show {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            transform: translateY(-4px);
        }
        .quote-block {
            padding: 20px 28px;
            background: #f0f4ff;
            border-radius: 12px;
            font-style: italic;
            border-left: 5px solid #2c3e70;
            margin: 28px 0;
            color: #1f2a4a;
        }
        .quote-block cite {
            display: block;
            margin-top: 10px;
            font-style: normal;
            font-weight: 600;
            color: #0056b3;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 28px 0;
        }
        @media (max-width: 640px) {
            .two-col {
                grid-template-columns: 1fr;
            }
        }
        ul,
        ol {
            margin-left: 24px;
            margin-bottom: 20px;
            color: #2d2d44;
        }
        li {
            margin-bottom: 8px;
        }
        .emoji-lg {
            font-size: 1.3rem;
        }
        .tag {
            display: inline-block;
            background: #e0e4f0;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #2c3e70;
            margin: 2px 4px 2px 0;
        }