*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f9fc;
            color: #1a1a2e;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s, border-color 0.2s;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        strong {
            color: #0f0f1a;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f0f2e 0%, #1a1a3e 100%);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
            border-bottom: 2px solid #334155;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #facc15;
            text-shadow: 0 0 20px rgba(250, 204, 21, 0.15);
            transition: opacity 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
            color: #facc15;
        }
        .my-logo span {
            font-weight: 300;
            color: #e2e8f0;
            font-size: 0.85rem;
            letter-spacing: 0.3px;
        }
        .my-logo .logo-icon {
            font-size: 1.8rem;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .main-nav {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(250, 204, 21, 0.12);
            color: #facc15;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #facc15;
            color: #0f0f2e;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 4px;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: #e2e8f0;
            border-radius: 4px;
            transition: 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .breadcrumb-wrap {
            background: #eef0f5;
            padding: 10px 0;
            border-bottom: 1px solid #d1d5db;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.82rem;
            color: #4b5563;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb a:hover {
            color: #1d4ed8;
        }
        .breadcrumb .sep {
            color: #9ca3af;
        }
        .search-section {
            background: #fff;
            padding: 24px 0;
            border-bottom: 1px solid #e5e7eb;
        }
        .search-form {
            display: flex;
            gap: 12px;
            max-width: 640px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 2px solid #d1d5db;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #2563eb;
        }
        .search-form button {
            padding: 12px 32px;
            background: #2563eb;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
        }
        .search-form button:hover {
            background: #1d4ed8;
            transform: scale(1.02);
        }
        .search-form button:active {
            transform: scale(0.97);
        }
        .hero-image-wrap {
            margin: 32px 0 28px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #eef0f5;
            position: relative;
        }
        .hero-image-wrap img {
            width: 100%;
            max-height: 520px;
            object-fit: cover;
            border-radius: 16px;
        }
        .hero-image-wrap .img-credit {
            position: absolute;
            bottom: 12px;
            right: 16px;
            background: rgba(0, 0, 0, 0.55);
            color: #f1f5f9;
            font-size: 0.72rem;
            padding: 4px 12px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }
        .main-content {
            padding: 32px 0 48px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-body h1 {
            font-size: 2.6rem;
            line-height: 1.2;
            margin-bottom: 12px;
            color: #0f0f2e;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .content-body h1 .highlight {
            color: #2563eb;
        }
        .content-body .subtitle {
            font-size: 1.1rem;
            color: #4b5563;
            margin-bottom: 24px;
            border-left: 4px solid #facc15;
            padding-left: 18px;
        }
        .content-body .last-updated {
            font-size: 0.85rem;
            color: #6b7280;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .content-body .last-updated i {
            color: #facc15;
        }
        .content-body h2 {
            font-size: 1.85rem;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 16px;
            color: #0f0f2e;
            border-bottom: 3px solid #facc15;
            padding-bottom: 8px;
            display: inline-block;
        }
        .content-body h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #1e293b;
        }
        .content-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #334155;
        }
        .content-body p {
            margin-bottom: 18px;
            color: #1f2937;
        }
        .content-body ul,
        .content-body ol {
            margin-bottom: 20px;
            color: #1f2937;
        }
        .content-body li {
            margin-bottom: 6px;
        }
        .content-body .insight-box {
            background: linear-gradient(145deg, #f1f5f9, #eef2f7);
            border-left: 5px solid #2563eb;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 28px 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
        }
        .content-body .insight-box strong {
            color: #1e3a8a;
        }
        .content-body .insight-box i {
            color: #2563eb;
        }
        .content-body .emoji-big {
            font-size: 1.4rem;
            margin-right: 4px;
        }
        .content-body .link-card-group {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 14px;
            margin: 28px 0;
        }
        .content-body .link-card {
            background: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 12px;
            padding: 14px 18px;
            transition: box-shadow 0.25s, transform 0.2s;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
        }
        .content-body .link-card:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            transform: translateY(-2px);
        }
        .content-body .link-card a {
            font-weight: 500;
        }
        .content-body .link-card .card-desc {
            font-size: 0.85rem;
            color: #6b7280;
            margin-top: 4px;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            margin-bottom: 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e5e7eb;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #0f0f2e;
            border-left: 4px solid #facc15;
            padding-left: 12px;
        }
        .sidebar-card ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-size: 0.92rem;
            display: block;
            padding: 4px 0;
        }
        .feedback-section {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid #e5e7eb;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 28px 26px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e5e7eb;
        }
        .feedback-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: #0f0f2e;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card input,
        .feedback-card textarea {
            padding: 12px 16px;
            border: 2px solid #d1d5db;
            border-radius: 10px;
            font-size: 0.92rem;
            outline: none;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            border-color: #2563eb;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 12px 24px;
            background: #0f0f2e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #1e1e4a;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            justify-content: flex-end;
            margin: 6px 0 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #facc15;
            transform: scale(1.08);
        }
        .star-rating label i {
            pointer-events: none;
        }
        .site-footer {
            background: #0f0f2e;
            color: #cbd5e1;
            padding: 40px 0 24px;
            margin-top: 56px;
            border-top: 3px solid #facc15;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        .footer-inner h4 {
            color: #f1f5f9;
            font-size: 1.05rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-inner a {
            color: #94a3b8;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 6px;
        }
        .footer-inner a:hover {
            color: #facc15;
        }
        .footer-bottom {
            grid-column: 1 / -1;
            border-top: 1px solid #1e293b;
            padding-top: 20px;
            margin-top: 12px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #6b7280;
        }
        .footer-bottom .copyright {
            color: #94a3b8;
        }
        friend-link {
            display: block;
            margin-top: 6px;
        }
        friend-link a {
            margin-right: 20px;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar .sidebar-card {
                margin-bottom: 0;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-wrap {
                order: 3;
                width: 100%;
                margin-top: 12px;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 4px;
                background: #151535;
                padding: 12px 16px;
                border-radius: 16px;
                margin-top: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 10px;
            }
            .hamburger {
                display: flex;
            }
            .content-body h1 {
                font-size: 1.8rem;
            }
            .content-body h2 {
                font-size: 1.45rem;
            }
            .content-body h3 {
                font-size: 1.15rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .hero-image-wrap img {
                max-height: 240px;
            }
            .content-body .link-card-group {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .my-logo {
                font-size: 1.25rem;
            }
            .content-body h1 {
                font-size: 1.5rem;
            }
            .content-body .subtitle {
                font-size: 0.95rem;
            }
            .feedback-card {
                padding: 20px 16px;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        .text-muted {
            color: #6b7280;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .gap-1 {
            gap: 4px;
        }
        .no-underline:hover {
            text-decoration: none;
        }
        .section-fade {
            animation: fadeUp 0.6s ease both;
        }
        @keyframes fadeUp {
            0% {
                opacity: 0;
                transform: translateY(20px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }