* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #fefefe;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1.25rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 0.5rem;
        }
        header {
            background: linear-gradient(135deg, #ed1b24 0%, #c4121a 100%);
            border-radius: 0 0 28px 28px;
            padding: 1.2rem 1.8rem;
            margin: 0 -1.25rem;
            position: relative;
            box-shadow: 0 8px 30px rgba(237, 27, 36, 0.25);
        }
        .header-inner {
            max-width: 1120px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
        }
        .my-logo {
            font-size: 2.1rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            text-decoration: none;
            color: #fff;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.15);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            font-size: 2.4rem;
            color: #ffd700;
        }
        .my-logo span {
            background: #fff;
            color: #ed1b24;
            padding: 0.1rem 0.6rem 0.2rem;
            border-radius: 8px;
            font-size: 1rem;
            margin-left: 0.3rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 2rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .navbar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.8rem;
            align-items: center;
        }
        .navbar a {
            color: #fff;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.95rem;
            transition: background 0.25s, transform 0.2s;
            letter-spacing: 0.01em;
        }
        .navbar a:hover,
        .navbar a:focus {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-1px);
        }
        .navbar a i {
            margin-right: 0.4rem;
            font-size: 0.85rem;
        }
        .breadcrumb-wrap {
            background: #fff;
            padding: 0.5rem 1.8rem;
            margin: 0 -1.25rem 1.2rem;
            border-bottom: 2px solid #f0f0f0;
        }
        .breadcrumb {
            max-width: 1120px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            font-size: 0.9rem;
            color: #555;
        }
        .breadcrumb a {
            color: #ed1b24;
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: #aaa;
        }
        main {
            padding: 1.8rem 0 3rem;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #1a1a2e;
            line-height: 1.2;
            margin: 0 0 0.6rem;
            letter-spacing: -0.02em;
        }
        h1 i {
            color: #ed1b24;
            margin-right: 0.4rem;
        }
        .subtitle {
            font-size: 1.15rem;
            color: #444;
            margin-bottom: 2rem;
            border-left: 5px solid #ffd700;
            padding-left: 1.2rem;
            background: #fafafa;
            border-radius: 0 12px 12px 0;
            padding: 0.8rem 1.2rem;
        }
        .last-updated {
            display: inline-block;
            background: #f5f5f5;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #666;
            margin-bottom: 1.8rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
            color: #ed1b24;
        }
        h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #1a1a2e;
            margin: 2.8rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 4px solid #ffd700;
            display: inline-block;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #222;
            margin: 2rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #333;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .feature-img {
            margin: 2rem 0;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
            background: #f9f9f9;
            text-align: center;
        }
        .feature-img img {
            width: 100%;
            height: auto;
            display: block;
            max-width: 780px;
            margin: 0 auto;
        }
        .feature-img figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #666;
            background: #f5f5f5;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff9e6, #fff3cd);
            border-left: 6px solid #ffd700;
            padding: 1.6rem 2rem;
            border-radius: 16px;
            margin: 1.8rem 0;
        }
        .highlight-box i {
            color: #ed1b24;
            margin-right: 0.6rem;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: #fff;
            border-radius: 18px;
            padding: 1.5rem 1.2rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
            text-align: center;
            border: 1px solid #eee;
            transition: transform 0.25s, box-shadow 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 14px 35px rgba(237, 27, 36, 0.12);
        }
        .stat-card .num {
            font-size: 2.6rem;
            font-weight: 900;
            color: #ed1b24;
            display: block;
        }
        .stat-card .label {
            font-size: 1rem;
            color: #555;
            font-weight: 600;
        }
        ul {
            margin: 1rem 0 1.5rem 1.8rem;
        }
        ul li {
            margin-bottom: 0.5rem;
            font-size: 1.05rem;
        }
        ul li::marker {
            color: #ed1b24;
        }
        a {
            color: #c4121a;
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s;
        }
        a:hover {
            color: #8b0e14;
        }
        .btn-link {
            display: inline-block;
            background: #ed1b24;
            color: #fff;
            padding: 0.5rem 1.5rem;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: background 0.25s, transform 0.2s;
        }
        .btn-link:hover {
            background: #c4121a;
            transform: translateY(-2px);
            color: #fff;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 3.5rem 0;
        }
        .interactive-card {
            background: #fff;
            border-radius: 24px;
            padding: 1.8rem 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid #f0f0f0;
        }
        .interactive-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .interactive-card h3 i {
            color: #ed1b24;
        }
        .interactive-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .interactive-card input,
        .interactive-card textarea,
        .interactive-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #fafafa;
            width: 100%;
        }
        .interactive-card input:focus,
        .interactive-card textarea:focus,
        .interactive-card select:focus {
            border-color: #ed1b24;
            outline: none;
            background: #fff;
        }
        .interactive-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interactive-card button {
            background: #ed1b24;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.25s, transform 0.2s;
            align-self: flex-start;
        }
        .interactive-card button:hover {
            background: #c4121a;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin: 0.3rem 0 0.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffd700;
            transform: scale(1.05);
        }
        friend-link {
            display: block;
            background: #f7f7f7;
            padding: 1.8rem 2rem;
            border-radius: 24px;
            margin: 3rem 0 1.5rem;
            border: 1px solid #eaeaea;
        }
        friend-link h3 {
            margin: 0 0 1rem;
            font-size: 1.3rem;
        }
        friend-link ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
        }
        friend-link ul li a {
            text-decoration: none;
            font-weight: 600;
            background: #fff;
            padding: 0.4rem 1.2rem;
            border-radius: 30px;
            border: 1px solid #ddd;
            transition: all 0.25s;
            display: inline-block;
        }
        friend-link ul li a:hover {
            background: #ed1b24;
            color: #fff;
            border-color: #ed1b24;
            transform: translateY(-2px);
        }
        footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 2rem 1.8rem;
            margin: 0 -1.25rem;
            border-radius: 28px 28px 0 0;
        }
        .footer-inner {
            max-width: 1120px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.5rem;
            align-items: center;
        }
        footer .copyright {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        footer .copyright i {
            color: #ffd700;
            margin: 0 0.3rem;
        }
        @media (max-width: 860px) {
            .nav-toggle {
                display: block;
            }
            .navbar {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 0.8rem;
                border-top: 1px solid rgba(255, 255, 255, 0.15);
                margin-top: 0.5rem;
            }
            .navbar.open {
                display: flex;
            }
            .navbar a {
                padding: 0.6rem 1rem;
                border-radius: 12px;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .header-inner {
                padding: 0.2rem 0;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb-wrap {
                padding: 0.4rem 1rem;
            }
            header {
                padding: 1rem 1.2rem;
            }
            .interactive-card {
                padding: 1.2rem 1.2rem;
            }
            friend-link ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            footer .footer-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .tag {
            display: inline-block;
            background: #ffd700;
            color: #1a1a2e;
            padding: 0.2rem 0.9rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-right: 0.4rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.98rem;
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        th {
            background: #ed1b24;
            color: #fff;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 700;
        }
        td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #f0f0f0;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #fff9e6;
        }
        .emoji-big {
            font-size: 1.4rem;
            vertical-align: middle;
        }