*,
        *::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: #f5f7fa;
            color: #1e2a3a;
            line-height: 1.7;
        }
        a {
            color: #d32f2f;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover,
        a:focus-visible {
            color: #b71c1c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .wrapper {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0d1b2a, #1b2d45);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #ff8a65, #ffd54f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-transform: uppercase;
            text-shadow: 0 2px 10px rgba(255, 138, 101, 0.3);
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            opacity: 0.85;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 8px 20px;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e6ed;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 30px;
            transition: background 0.25s, color 0.25s;
            font-size: 0.95rem;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255, 255, 255, 0.15);
            color: #ffd54f;
            text-decoration: none;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                gap: 6px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 8px;
            }
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce1e8;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #888;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb .current {
            color: #d32f2f;
            font-weight: 600;
        }
        section {
            padding: 48px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 28px;
            color: #0d1b2a;
            border-left: 6px solid #d32f2f;
            padding-left: 20px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #0d1b2a;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-top: 44px;
            margin-bottom: 18px;
            color: #1b2d45;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 14px;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 10px;
            color: #34495e;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2c3e50;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #1e2a3a;
            line-height: 1.8;
        }
        .highlight {
            background: #fff8e1;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 6px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
            margin: 32px 0;
        }
        .card {
            background: #fff;
            border-radius: 18px;
            padding: 28px 22px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid #eef2f6;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.10);
        }
        .card h3 {
            margin-top: 0;
        }
        .card i {
            color: #d32f2f;
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .featured-image {
            border-radius: 18px;
            overflow: hidden;
            margin: 32px 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f0f2f5;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #555;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 28px 0;
            border-radius: 14px;
            border: 1px solid #e2e8f0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.98rem;
        }
        th,
        td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #eef2f6;
        }
        th {
            background: #0d1b2a;
            color: #fff;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f8faff;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #1e2a3a;
        }
        input,
        textarea,
        select {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #dce1e8;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.3s;
            background: #fff;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: #d32f2f;
            outline: none;
            box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.1);
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background: #d32f2f;
            color: #fff;
            padding: 14px 38px;
            border: none;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .btn:hover {
            background: #b71c1c;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #34495e;
        }
        .btn-secondary:hover {
            background: #1b2d45;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .comment-item {
            background: #fff;
            border-radius: 14px;
            padding: 20px 24px;
            margin-bottom: 16px;
            border: 1px solid #eef2f6;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
        }
        .comment-item .meta {
            font-size: 0.85rem;
            color: #888;
            margin-bottom: 6px;
        }
        .comment-item .name {
            font-weight: 700;
            color: #0d1b2a;
        }
        .site-footer {
            background: #0d1b2a;
            color: #cbd5e0;
            padding: 48px 0 32px;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px 40px;
        }
        .site-footer h4 {
            color: #ffd54f;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #aab8c9;
        }
        .site-footer a:hover {
            color: #ffd54f;
        }
        friend-link {
            display: block;
            margin-top: 8px;
        }
        .copyright {
            border-top: 1px solid #1e3450;
            padding-top: 24px;
            margin-top: 32px;
            text-align: center;
            font-size: 0.9rem;
            color: #8a9bb0;
        }
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            background: #d32f2f;
            color: #fff;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            box-shadow: 0 6px 24px rgba(211, 47, 47, 0.3);
            transition: transform 0.3s, background 0.3s;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .back-top:hover {
            transform: translateY(-4px);
            background: #b71c1c;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.9rem;
            }
            .section-title {
                font-size: 1.6rem;
                padding-left: 14px;
            }
            .header-inner {
                padding: 0 4px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            section {
                padding: 32px 0;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 44px;
                height: 44px;
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .wrapper {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.6rem;
            }
            .breadcrumb ul {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .g-emoji {
            font-size: 1.4rem;
            line-height: 1;
        }
        .tag {
            display: inline-block;
            background: #e8edf3;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #2c3e50;
        }