* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #facc15, #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: opacity 0.3s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #facc15;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 22px;
            padding: 8px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 6px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e2e8f0;
            font-weight: 500;
            font-size: 15px;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            text-decoration: none;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #facc15;
            text-decoration: none;
        }
        .main-nav a.active {
            color: #facc15;
            border-bottom: 2px solid #facc15;
        }
        .breadcrumb-wrap {
            background: #fff;
            padding: 10px 0;
            border-bottom: 1px solid #e2e8f0;
            font-size: 14px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 6px 12px;
            color: #475569;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb .current {
            color: #0f172a;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
            padding: 60px 0 50px;
            color: #fff;
            text-align: center;
        }
        .hero h1 {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: #facc15;
            margin-right: 10px;
        }
        .hero p {
            font-size: 18px;
            max-width: 720px;
            margin: 0 auto 24px;
            color: #cbd5e1;
        }
        .hero .last-updated {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 14px;
            color: #94a3b8;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .hero .last-updated i {
            margin-right: 6px;
            color: #facc15;
        }
        .search-section {
            background: #fff;
            padding: 40px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            max-width: 640px;
            margin: 0 auto;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #e2e8f0;
            transition: box-shadow 0.3s;
        }
        .search-form:focus-within {
            box-shadow: 0 4px 28px rgba(37, 99, 235, 0.15);
            border-color: #2563eb;
        }
        .search-form input {
            flex: 1;
            padding: 16px 24px;
            border: none;
            outline: none;
            font-size: 16px;
            background: #fff;
            color: #1a1a2e;
        }
        .search-form button {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 0 32px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1e40af;
        }
        .content-wrap {
            padding: 48px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .main-content h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: #0f172a;
            margin-top: 48px;
            margin-bottom: 16px;
            border-left: 5px solid #facc15;
            padding-left: 18px;
        }
        .main-content h2:first-of-type {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: clamp(20px, 2vw, 26px);
            font-weight: 600;
            color: #1e293b;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .main-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: #334155;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .main-content p {
            margin-bottom: 18px;
            color: #334155;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 20px 24px;
            color: #334155;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .main-content .highlight-box {
            background: #f8fafc;
            border-left: 4px solid #facc15;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
        }
        .main-content .highlight-box strong {
            color: #0f172a;
        }
        .main-content .emoji-big {
            font-size: 28px;
            margin-right: 6px;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            margin: 16px 0 24px;
            padding: 0;
            list-style: none;
        }
        .link-list-inline li a {
            background: #f1f5f9;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: #1e293b;
            transition: background 0.2s, color 0.2s;
            display: inline-block;
            border: 1px solid #e2e8f0;
        }
        .link-list-inline li a:hover {
            background: #2563eb;
            color: #fff;
            text-decoration: none;
            border-color: #2563eb;
        }
        .featured-image-wrap {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 28px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #f1f5f9;
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 14px;
            border-bottom: 2px solid #facc15;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
        }
        .sidebar-card ul li a {
            color: #334155;
            font-weight: 500;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color 0.2s;
        }
        .sidebar-card ul li a:hover {
            color: #2563eb;
            text-decoration: none;
        }
        .sidebar-card ul li a i {
            color: #facc15;
            width: 18px;
            font-size: 14px;
        }
        .feedback-section {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            margin-top: 48px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #f1f5f9;
        }
        .feedback-section h3 {
            font-size: 24px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 20px;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .feedback-item label {
            font-weight: 600;
            color: #1e293b;
            display: block;
            margin-bottom: 8px;
        }
        .feedback-item textarea,
        .feedback-item input {
            width: 100%;
            padding: 14px 18px;
            border: 1px solid #e2e8f0;
            border-radius: 10px;
            font-size: 15px;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fafafa;
        }
        .feedback-item textarea:focus,
        .feedback-item input:focus {
            outline: none;
            border-color: #2563eb;
            background: #fff;
        }
        .feedback-item textarea {
            min-height: 110px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 28px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d1d5db;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #facc15;
        }
        .btn-submit {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 60px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 8px;
        }
        .btn-submit:hover {
            background: #1e40af;
            transform: translateY(-1px);
        }
        .btn-submit:active {
            transform: scale(0.97);
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 32px;
            margin-top: 20px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col p,
        .footer-col li {
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li a {
            color: #94a3b8;
            font-size: 14px;
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: #facc15;
            text-decoration: none;
        }
        friend-link {
            display: block;
            margin-top: 12px;
            font-size: 14px;
            color: #94a3b8;
        }
        friend-link a {
            color: #e2e8f0;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #facc15;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            border-top: 1px solid #1e293b;
            padding-top: 24px;
            margin-top: 32px;
            font-size: 14px;
            color: #64748b;
        }
        .copyright a {
            color: #94a3b8;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 6px;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.05);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 14px;
                width: 100%;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .hero {
                padding: 40px 0 32px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feedback-section {
                padding: 20px;
            }
            .search-form {
                flex-direction: column;
                border-radius: 16px;
            }
            .search-form input {
                padding: 14px 18px;
            }
            .search-form button {
                padding: 14px 18px;
                justify-content: center;
            }
            .breadcrumb {
                font-size: 13px;
                gap: 4px 8px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .my-logo {
                font-size: 22px;
            }
            .hero p {
                font-size: 15px;
            }
            .main-content h2 {
                font-size: 22px;
                padding-left: 12px;
            }
        }
        .scroll-offset {
            scroll-margin-top: 90px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        table th {
            background: #0f172a;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        table td {
            padding: 12px 16px;
            border-bottom: 1px solid #f1f5f9;
        }
        table tr:last-child td {
            border-bottom: none;
        }
        table tr:hover td {
            background: #f8fafc;
        }
        .tip {
            background: #ecfdf5;
            border-left: 4px solid #10b981;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .tip i {
            color: #10b981;
            margin-right: 8px;
        }
        .warning {
            background: #fff7ed;
            border-left: 4px solid #f97316;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .warning i {
            color: #f97316;
            margin-right: 8px;
        }