*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: #f5f7fb;
            color: #1e1e2f;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #0f3460;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #e94560;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 0.5rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #e94560, #ff6b6b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            padding: 0.25rem 0;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo i {
            -webkit-text-fill-color: #e94560;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 1.5rem;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: border-color 0.3s;
        }
        .nav-toggle:hover {
            border-color: #e94560;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: rgba(255, 255, 255, 0.85);
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            text-decoration: none;
        }
        .nav-menu a:hover,
        .nav-menu a:focus {
            background: rgba(233, 69, 96, 0.2);
            color: #fff;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #eef0f5;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce0e8;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.6rem;
            color: #888;
        }
        .breadcrumb a {
            color: #0f3460;
        }
        .breadcrumb .current {
            color: #666;
            font-weight: 500;
        }
        main {
            padding: 2.5rem 0 3rem;
        }
        article {
            background: #fff;
            border-radius: 24px;
            padding: 2.5rem 2.8rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.04);
            margin-bottom: 2.5rem;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.5rem;
            color: #1a1a2e;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #e94560;
            margin-right: 12px;
        }
        .subhead {
            font-size: 1.15rem;
            color: #555;
            margin-bottom: 2rem;
            border-left: 4px solid #e94560;
            padding-left: 1.2rem;
        }
        .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            font-size: 0.9rem;
            color: #777;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eceef3;
        }
        .meta-line i {
            margin-right: 6px;
            color: #e94560;
        }
        .last-updated {
            font-weight: 600;
            color: #1a1a2e;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 2.8rem 0 1.2rem;
            color: #16213e;
            border-bottom: 3px solid #e94560;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.45rem;
            font-weight: 600;
            margin: 2rem 0 0.8rem;
            color: #1a1a2e;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 1.5rem 0 0.5rem;
            color: #0f3460;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #2d2d3f;
        }
        .highlight-box {
            background: #f0f4ff;
            border-left: 6px solid #0f3460;
            padding: 1.5rem 2rem;
            border-radius: 12px;
            margin: 1.8rem 0;
        }
        .highlight-box strong {
            color: #0f3460;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #f8faff, #eef2fb);
            border-radius: 16px;
            padding: 1.6rem 1.2rem;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
            border: 1px solid #e4e9f2;
        }
        .stat-card .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #e94560;
            display: block;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: #444;
            font-weight: 500;
        }
        .feature-img {
            border-radius: 18px;
            margin: 2rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            width: 100%;
        }
        .btn-like {
            display: inline-block;
            background: #0f3460;
            color: #fff;
            padding: 0.5rem 1.4rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background 0.25s, transform 0.15s;
            border: none;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-like:hover {
            background: #e94560;
            transform: translateY(-2px);
            text-decoration: none;
            color: #fff;
        }
        .inline-link-list {
            background: #f8faff;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            margin: 1.8rem 0;
            border: 1px solid #e4e9f2;
        }
        .inline-link-list ul {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 0.3rem 1.5rem;
        }
        .inline-link-list li {
            padding: 0.2rem 0;
        }
        .inline-link-list a {
            font-weight: 500;
        }
        .form-section {
            background: #fff;
            border-radius: 24px;
            padding: 2.2rem 2.8rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.04);
            margin-bottom: 2rem;
        }
        .form-section h2 {
            margin-top: 0;
            border-bottom: none;
            display: block;
        }
        .form-section h2 i {
            color: #e94560;
            margin-right: 10px;
        }
        .form-group {
            margin-bottom: 1.4rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1a1a2e;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem 1.2rem;
            border: 2px solid #dce0e8;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.25s;
            background: #fafbff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #0f3460;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.2rem;
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.2s;
            color: #ddd;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .submit-btn {
            background: #e94560;
            color: #fff;
            border: none;
            padding: 0.9rem 2.5rem;
            border-radius: 40px;
            font-size: 1.05rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .submit-btn:hover {
            background: #c7324d;
            transform: translateY(-2px);
        }
        .submit-btn i {
            margin-right: 8px;
        }
        .site-footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.85);
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid #e94560;
            padding-bottom: 0.3rem;
            display: inline-block;
        }
        .footer-grid a {
            color: rgba(255, 255, 255, 0.7);
            display: block;
            padding: 0.2rem 0;
            font-size: 0.95rem;
        }
        .footer-grid a:hover {
            color: #e94560;
            text-decoration: none;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            margin: 1.2rem 0;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        friend-link a {
            display: inline-block;
            margin: 0.25rem 1rem 0.25rem 0;
            color: #aab;
        }
        friend-link a:hover {
            color: #e94560;
        }
        .copyright {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .copyright strong {
            color: rgba(255, 255, 255, 0.8);
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 0.3rem 0;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(22, 33, 62, 0.98);
                border-radius: 16px;
                padding: 0.8rem 0.5rem;
                margin-top: 0.8rem;
                gap: 0.1rem;
                border: 1px solid rgba(255, 255, 255, 0.06);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.7rem 1rem;
                width: 100%;
                border-radius: 10px;
            }
            article {
                padding: 1.5rem 1.2rem;
            }
            .form-section {
                padding: 1.5rem 1.2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .inline-link-list ul {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0;
            }
            .meta-line {
                flex-direction: column;
                gap: 0.3rem;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 0.9rem;
            }
            article {
                padding: 1.2rem 0.9rem;
                border-radius: 16px;
            }
            .form-section {
                padding: 1.2rem 0.9rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.6rem;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }