*,
        *::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: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #0369a1;
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: #0284c7;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #0f172a;
            margin: 2rem 0 .75rem;
            line-height: 1.2;
            letter-spacing: -.02em;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #1e293b;
            margin: 2.5rem 0 .75rem;
            padding-bottom: .35rem;
            border-bottom: 3px solid #e2e8f0;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #334155;
            margin: 1.75rem 0 .5rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #475569;
            margin: 1.25rem 0 .35rem;
        }
        p {
            margin: 0 0 1.25rem;
            font-size: 1.05rem;
            color: #334155;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #1e293b;
            background: #f1f5f9;
            padding: 1.25rem 1.75rem;
            border-left: 5px solid #0369a1;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0 2rem;
        }
        header {
            background: linear-gradient(145deg, #ffffff 0%, #f1f5f9 100%);
            border-radius: 0 0 24px 24px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .04);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            background: rgba(255, 255, 255, .92);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: .75rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0f172a, #0369a1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -.03em;
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #0369a1;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            opacity: .85;
            text-decoration: none;
        }
        nav.main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
            flex-wrap: wrap;
            align-items: center;
        }
        nav.main-nav a {
            font-weight: 500;
            padding: .35rem 0;
            position: relative;
            color: #334155;
        }
        nav.main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: #0369a1;
            transition: width .3s ease;
        }
        nav.main-nav a:hover::after {
            width: 100%;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #cbd5e1;
            border-radius: 8px;
            padding: .4rem .7rem;
            font-size: 1.4rem;
            cursor: pointer;
            color: #1e293b;
            transition: all .2s;
        }
        .nav-toggle:hover {
            border-color: #0369a1;
            color: #0369a1;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: .35rem .75rem;
            padding: .75rem 0;
            font-size: .9rem;
            color: #64748b;
            margin: 0 0 1rem;
        }
        .breadcrumb li+li::before {
            content: '›';
            margin-right: .6rem;
            color: #94a3b8;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0369a1;
        }
        .breadcrumb .active {
            color: #1e293b;
            font-weight: 500;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .card {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.5rem 1.75rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, .04);
            transition: transform .2s ease, box-shadow .2s ease;
            border: 1px solid #eef2f6;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, .06);
        }
        .card h3 {
            margin-top: 0;
        }
        .card i {
            color: #0369a1;
            margin-right: .4rem;
        }
        .stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2.5rem;
            background: #0f172a;
            color: #f8fafc;
            padding: 1.75rem 2rem;
            border-radius: 16px;
            margin: 2rem 0;
            justify-content: space-around;
        }
        .stat-item {
            text-align: center;
        }
        .stat-item span {
            font-size: 2.2rem;
            font-weight: 800;
            display: block;
            line-height: 1.2;
            color: #38bdf8;
        }
        .stat-item small {
            font-size: .9rem;
            opacity: .8;
            text-transform: uppercase;
            letter-spacing: .04em;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: .95rem;
        }
        th,
        td {
            padding: .8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #eef2f6;
        }
        th {
            background: #f1f5f9;
            font-weight: 600;
            color: #0f172a;
        }
        tr:hover td {
            background: #f8fafc;
        }
        .form-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.75rem 2rem;
            border: 1px solid #e2e8f0;
            margin: 2rem 0;
        }
        .form-card label {
            font-weight: 600;
            display: block;
            margin-bottom: .3rem;
            color: #1e293b;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: .7rem 1rem;
            border: 1.5px solid #cbd5e1;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border .2s;
            background: #fafcff;
        }
        .form-card input:focus,
        .form-card textarea:focus {
            border-color: #0369a1;
            outline: none;
            box-shadow: 0 0 0 3px rgba(3, 105, 161, .15);
        }
        .form-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #0369a1;
            color: #fff;
            border: none;
            padding: .75rem 2rem;
            border-radius: 10px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: background .25s, transform .1s;
            display: inline-flex;
            align-items: center;
            gap: .5rem;
        }
        .btn:hover {
            background: #0284c7;
            transform: scale(1.01);
        }
        .btn:active {
            transform: scale(.97);
        }
        .btn-secondary {
            background: #e2e8f0;
            color: #1e293b;
        }
        .btn-secondary:hover {
            background: #cbd5e1;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: .25rem;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #cbd5e1;
            transition: color .15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .comment-item {
            padding: 1rem 0;
            border-bottom: 1px solid #eef2f6;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: 700;
            color: #0f172a;
        }
        .comment-meta {
            font-size: .85rem;
            color: #64748b;
            margin-bottom: .3rem;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0;
            border-top: 1px solid #e2e8f0;
            margin-top: 2rem;
        }
        friend-link ul {
            display: flex;
            flex-wrap: wrap;
            gap: .75rem 1.5rem;
            list-style: none;
            padding: 0;
            margin: .75rem 0 0;
        }
        friend-link a {
            font-weight: 500;
        }
        footer {
            padding: 2.5rem 0 1.5rem;
            border-top: 1px solid #e2e8f0;
            margin-top: 3rem;
            text-align: center;
            color: #64748b;
            font-size: .9rem;
        }
        footer .copyright {
            margin-top: 1rem;
            font-size: .85rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            nav.main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: .25rem;
                padding: 1rem 0 .5rem;
            }
            nav.main-nav ul.show {
                display: flex;
            }
            nav.main-nav ul li {
                width: 100%;
            }
            nav.main-nav ul a {
                display: block;
                padding: .5rem 0;
            }
            .stat-row {
                flex-direction: column;
                gap: 1rem;
                padding: 1.25rem;
            }
            .stat-item span {
                font-size: 1.7rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: .8rem;
            }
            .form-card {
                padding: 1.25rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        @media (min-width: 769px) {
            nav.main-nav ul {
                display: flex !important;
            }
            .nav-toggle {
                display: none !important;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: .75rem;
        }
        .tag {
            display: inline-block;
            background: #e0f2fe;
            color: #0369a1;
            padding: .15rem .8rem;
            border-radius: 20px;
            font-size: .8rem;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 2rem;
            line-height: 1;
        }
        .section-highlight {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1.75rem 2rem;
            margin: 2rem 0;
        }
        :target {
            scroll-margin-top: 90px;
        }