        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f8f9fc;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        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;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #0f172a;
        }
        h1 {
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 1.6rem;
            margin: 2.2rem 0 1rem;
            border-bottom: 3px solid #2563eb;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.25rem;
            margin: 1.8rem 0 0.8rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.05rem;
            margin: 1.2rem 0 0.5rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.1rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.2rem 1.6rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .badge {
            display: inline-block;
            background: #2563eb;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }
        .badge.green {
            background: #16a34a;
        }
        .badge.red {
            background: #dc2626;
        }
        .badge.amber {
            background: #d97706;
        }
        .text-muted {
            color: #64748b;
            font-size: 0.9rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        hr {
            border: none;
            border-top: 1px solid #e2e8f0;
            margin: 2rem 0;
        }
        .site-header {
            background: #0f172a;
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px 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;
            letter-spacing: -0.5px;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo:hover {
            color: #60a5fa;
            text-decoration: none;
        }
        .my-logo i {
            color: #60a5fa;
            font-size: 1.6rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #fff;
            color: #fff;
            font-size: 1.4rem;
            padding: 0.3rem 0.7rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 1.2rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e2e8f0;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.3rem 0;
            position: relative;
            transition: color 0.2s;
        }
        .main-nav a:hover {
            color: #60a5fa;
            text-decoration: none;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: #60a5fa;
            transition: width 0.25s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: #60a5fa;
        }
        .main-nav a.active::after {
            width: 100%;
        }
        .breadcrumb-wrap {
            background: #eef2f7;
            padding: 0.6rem 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.3rem 0.6rem;
            font-size: 0.88rem;
            color: #475569;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #1e293b;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
            color: #fff;
            padding: 2.5rem 0 3rem;
            margin-bottom: 2rem;
            border-radius: 0 0 40px 40px;
        }
        .hero h1 {
            color: #fff;
            font-size: 2.4rem;
            margin-bottom: 0.6rem;
        }
        .hero p {
            font-size: 1.1rem;
            color: #cbd5e1;
            max-width: 750px;
        }
        .hero .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(22, 163, 74, 0.2);
            border: 1px solid #16a34a;
            padding: 0.4rem 1.2rem;
            border-radius: 40px;
            font-weight: 600;
            color: #86efac;
            margin-top: 1rem;
        }
        .hero .status-badge i {
            font-size: 1.1rem;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 1.8rem 0;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef2f7;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
        }
        .card .icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 1rem;
        }
        .card h3 {
            margin-top: 0;
            font-size: 1.1rem;
        }
        .timeline {
            position: relative;
            padding-left: 2rem;
            margin: 1.5rem 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 6px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: #e2e8f0;
            border-radius: 4px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 1.6rem;
            padding-left: 0.5rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -1.65rem;
            top: 0.4rem;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #2563eb;
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px #2563eb;
        }
        .timeline-item.resolved::before {
            background: #16a34a;
            box-shadow: 0 0 0 2px #16a34a;
        }
        .timeline-item.outage::before {
            background: #dc2626;
            box-shadow: 0 0 0 2px #dc2626;
        }
        .timeline-item .time {
            font-size: 0.82rem;
            color: #64748b;
            font-weight: 600;
        }
        .form-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef2f7;
            margin: 1.5rem 0;
        }
        .form-card label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
            color: #1e293b;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1.5px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s, box-shadow 0.2s;
            background: #f8fafc;
            margin-bottom: 1rem;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            outline: none;
            border-color: #2563eb;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
            background: #fff;
        }
        .form-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-card .btn {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-card .btn:hover {
            background: #1e40af;
            transform: scale(1.02);
        }
        .form-card .btn:active {
            transform: scale(0.98);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            cursor: pointer;
            margin-bottom: 0.8rem;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #d1d5db;
            transition: color 0.15s;
            cursor: pointer;
            font-size: 1.8rem;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 0.8rem 1.2rem;
            list-style: none;
            margin: 1rem 0;
        }
        .link-list li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1rem;
            background: #f1f5f9;
            border-radius: 10px;
            font-weight: 500;
            transition: background 0.2s, transform 0.15s;
            color: #1e293b;
        }
        .link-list li a:hover {
            background: #2563eb;
            color: #fff;
            text-decoration: none;
            transform: translateX(4px);
        }
        .link-list li a i {
            width: 20px;
            text-align: center;
            color: #2563eb;
            transition: color 0.2s;
        }
        .link-list li a:hover i {
            color: #fff;
        }
        friend-link {
            display: block;
            background: #0f172a;
            color: #e2e8f0;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
            border-radius: 40px 40px 0 0;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem 2rem;
        }
        friend-link a {
            color: #94a3b8;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
        }
        friend-link a:hover {
            color: #60a5fa;
            text-decoration: none;
        }
        friend-link .fl-title {
            width: 100%;
            text-align: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: 1px;
        }
        .site-footer {
            background: #0b1120;
            color: #94a3b8;
            padding: 1.8rem 0;
            text-align: center;
            font-size: 0.9rem;
            border-top: 1px solid #1e293b;
        }
        .site-footer .copyright {
            font-size: 0.85rem;
        }
        .site-footer a {
            color: #60a5fa;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.3rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.8rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.5rem 0;
                font-size: 1rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero {
                padding: 1.8rem 0 2.2rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
            .form-card {
                padding: 1.2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .star-rating {
                font-size: 1.4rem;
            }
            .star-rating label {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.15rem;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
        }
        .section-highlight {
            background: #fff;
            border-radius: 20px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
            margin: 2rem 0;
            border: 1px solid #eef2f7;
        }
        .emoji-lg {
            font-size: 1.6rem;
        }
        .inline-code {
            background: #f1f5f9;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            font-family: monospace;
            font-size: 0.9rem;
            color: #1e293b;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #eef2f7;
        }
        th {
            background: #f1f5f9;
            font-weight: 600;
            color: #1e293b;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f8fafc;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        ::-webkit-scrollbar-thumb {
            background: #94a3b8;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #64748b;
        }
