*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8faff;
            color: #1a2634;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #004999;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2e, #1a3a5c);
            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;
            color: #ffd966;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #ffe68f;
        }
        .my-logo span {
            color: #ffffff;
            font-weight: 300;
        }
        .my-logo i {
            color: #ffaa33;
            margin-right: 6px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e6edf5;
            padding: 0.5rem 1rem;
            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: #ffd966;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #ffd966;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s ease;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .breadcrumb {
            background: #eef3f9;
            padding: 0.7rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce4ed;
        }
        .breadcrumb a {
            color: #2c5f8a;
        }
        .breadcrumb a:hover {
            color: #0b1a2e;
        }
        .breadcrumb span {
            color: #5a6f84;
        }
        .breadcrumb i {
            margin: 0 6px;
            color: #8aa0b8;
            font-size: 0.7rem;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0b1a2e;
            margin-bottom: 0.6rem;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        article h1 i {
            color: #ffaa33;
            margin-right: 10px;
        }
        .article-meta {
            color: #5a6f84;
            font-size: 0.9rem;
            margin-bottom: 1.8rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
        }
        .article-meta i {
            margin-right: 4px;
        }
        .article-meta .update-badge {
            background: #1a3a5c;
            color: #ffd966;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.8rem;
        }
        article h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0f2a42;
            margin: 2.2rem 0 1rem 0;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #ffd966;
            display: inline-block;
        }
        article h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1a3a5c;
            margin: 1.6rem 0 0.8rem 0;
        }
        article h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2c5f8a;
            margin: 1.2rem 0 0.5rem 0;
        }
        article p {
            margin-bottom: 1.1rem;
            font-size: 1.05rem;
            color: #1e2d3d;
        }
        article p b,
        article p strong {
            color: #0b1a2e;
        }
        .hero-image-wrap {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .hero-image-wrap img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .hero-image-wrap figcaption {
            background: #eef3f9;
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #3a556e;
            text-align: center;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            margin-bottom: 1.5rem;
            border: 1px solid #e8edf4;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0b1a2e;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: #ffaa33;
        }
        .link-list {
            list-style: none;
            padding: 0;
        }
        .link-list li {
            margin-bottom: 0.5rem;
            padding: 0.3rem 0;
            border-bottom: 1px dashed #e0e6ef;
        }
        .link-list a {
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #1a3a5c;
        }
        .link-list a i {
            color: #ffaa33;
            font-size: 0.75rem;
        }
        .link-list a:hover {
            color: #0066cc;
        }
        .search-box {
            display: flex;
            background: #fff;
            border-radius: 40px;
            overflow: hidden;
            border: 2px solid #dce4ed;
            transition: border-color 0.3s ease;
        }
        .search-box:focus-within {
            border-color: #ffaa33;
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 0.7rem 1.2rem;
            font-size: 0.95rem;
            outline: none;
            background: transparent;
            font-family: inherit;
        }
        .search-box button {
            background: #ffaa33;
            border: none;
            padding: 0.7rem 1.4rem;
            cursor: pointer;
            color: #0b1a2e;
            font-size: 1rem;
            transition: background 0.2s ease;
        }
        .search-box button:hover {
            background: #ff9500;
        }
        .feedback-section {
            background: #ffffff;
            border-radius: 20px;
            padding: 2rem;
            margin-top: 3rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf4;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-form label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #0b1a2e;
            font-size: 0.95rem;
        }
        .feedback-form input,
        .feedback-form textarea,
        .feedback-form select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dce4ed;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.25s ease;
            background: #fafcff;
        }
        .feedback-form input:focus,
        .feedback-form textarea:focus,
        .feedback-form select:focus {
            border-color: #ffaa33;
            outline: none;
        }
        .feedback-form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-form .form-group {
            margin-bottom: 1.2rem;
        }
        .feedback-form .btn-submit {
            background: linear-gradient(135deg, #ffaa33, #ff8c00);
            color: #0b1a2e;
            font-weight: 700;
            padding: 0.75rem 2rem;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-form .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 170, 51, 0.35);
        }
        .star-rating {
            display: flex;
            gap: 4px;
            direction: rtl;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #dce4ed;
            transition: color 0.2s ease;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffaa33;
        }
        friend-link {
            display: block;
            margin-top: 2rem;
            padding: 1.5rem 0;
            border-top: 2px solid #e8edf4;
        }
        friend-link .fl-head {
            font-weight: 700;
            font-size: 1.1rem;
            color: #0b1a2e;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 2rem;
            list-style: none;
            padding: 0;
        }
        friend-link .fl-list a {
            color: #1a3a5c;
            font-size: 0.92rem;
        }
        friend-link .fl-list a:hover {
            color: #0066cc;
        }
        .site-footer {
            background: #0b1a2e;
            color: #b8c9dd;
            padding: 2rem 0 1.5rem;
            font-size: 0.9rem;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .site-footer a {
            color: #ffd966;
        }
        .site-footer a:hover {
            color: #ffe68f;
        }
        .site-footer .copyright {
            font-size: 0.85rem;
            opacity: 0.85;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 1rem 0 0.5rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 10px;
                white-space: normal;
            }
            article h1 {
                font-size: 1.9rem;
            }
            article h2 {
                font-size: 1.5rem;
            }
            article h3 {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 0.9rem;
            }
            .feedback-section {
                padding: 1.2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            article h1 {
                font-size: 1.6rem;
            }
            .article-meta {
                font-size: 0.8rem;
                gap: 0.8rem;
            }
            .star-rating {
                font-size: 1.4rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #ffaa33;
            color: #0b1a2e;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 6px 20px rgba(255, 170, 51, 0.3);
            transition: all 0.3s ease;
            z-index: 999;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(255, 170, 51, 0.45);
        }
        @media (max-width: 480px) {
            .scroll-top {
                bottom: 16px;
                right: 16px;
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }
        }
        .text-highlight {
            background: linear-gradient(to right, #fff3d6, #ffe8b8);
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .divider {
            height: 3px;
            background: linear-gradient(to right, #ffd966, #ffaa33, transparent);
            margin: 1.8rem 0;
            border-radius: 10px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #ffffff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .table-wrap th {
            background: #0b1a2e;
            color: #ffd966;
            padding: 0.7rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .table-wrap td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #eef3f9;
        }
        .table-wrap tr:last-child td {
            border-bottom: none;
        }
        .table-wrap tr:hover td {
            background: #f8faff;
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        .inline-icon {
            margin-right: 6px;
        }