* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #faf9f6;
            color: #1e1e2a;
            line-height: 1.7;
            font-size: 18px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #9a2b1f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 16px;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 24px;
        }
        header {
            background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
            color: #f0e9e1;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 24px;
            max-width: 1140px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5cb5c;
            text-shadow: 0 2px 8px rgba(245, 203, 92, 0.25);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f5cb5c;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #b0b8c9;
            display: block;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f0e9e1;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        nav ul {
            display: flex;
            gap: 12px;
            list-style: none;
            align-items: center;
            flex-wrap: wrap;
        }
        nav ul li a {
            color: #d4d9e6;
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        nav ul li a:hover {
            background: rgba(245, 203, 92, 0.15);
            color: #f5cb5c;
            text-decoration: none;
        }
        .breadcrumb {
            background: #f0ede6;
            padding: 10px 24px;
            font-size: 0.85rem;
            color: #5a5e6b;
            border-bottom: 1px solid #e2ddd2;
        }
        .breadcrumb .container {
            padding: 0;
        }
        .breadcrumb a {
            color: #7a4f3c;
            font-weight: 500;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #9a9eab;
        }
        .hero {
            background: linear-gradient(135deg, #f5efe6 0%, #e8e0d4 100%);
            padding: 60px 24px 50px;
            text-align: center;
            border-bottom: 4px solid #f5cb5c;
        }
        .hero h1 {
            font-size: 2.9rem;
            font-weight: 900;
            color: #1a1a2e;
            max-width: 860px;
            margin: 0 auto 16px;
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .hero p {
            font-size: 1.25rem;
            color: #3d4050;
            max-width: 720px;
            margin: 0 auto 10px;
        }
        .hero .meta {
            font-size: 1rem;
            color: #7a7f8c;
            margin-top: 16px;
            display: flex;
            justify-content: center;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero .meta i {
            margin-right: 6px;
            color: #c44536;
        }
        .search-bar {
            background: #fff;
            padding: 20px 24px;
            border-bottom: 1px solid #e2ddd2;
        }
        .search-bar .container {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
        }
        .search-bar form {
            display: flex;
            gap: 8px;
            flex: 1 1 400px;
            max-width: 560px;
        }
        .search-bar input[type="text"] {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #ddd8ce;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
            background: #faf9f6;
        }
        .search-bar input[type="text"]:focus {
            border-color: #c44536;
        }
        .search-bar button {
            padding: 12px 28px;
            background: #c44536;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-bar button:hover {
            background: #9a2b1f;
            transform: scale(1.02);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 50px 24px 60px;
            max-width: 1140px;
            margin: 0 auto;
        }
        .main-grid .content {
            min-width: 0;
        }
        .main-grid .sidebar {
            min-width: 0;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 20px;
            padding: 28px 24px;
            margin-bottom: 28px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #ede8de;
        }
        .sidebar-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 16px;
            border-bottom: 3px solid #f5cb5c;
            padding-bottom: 10px;
            display: inline-block;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            padding: 6px 0;
        }
        .sidebar-card ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a i {
            color: #c44536;
            width: 18px;
            font-size: 0.9rem;
        }
        .content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #1a1a2e;
            margin-top: 56px;
            margin-bottom: 20px;
            border-left: 6px solid #f5cb5c;
            padding-left: 20px;
            line-height: 1.2;
        }
        .content h2:first-of-type {
            margin-top: 0;
        }
        .content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #2c2f42;
            margin-top: 36px;
            margin-bottom: 14px;
        }
        .content h4 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #3d4050;
            margin-top: 26px;
            margin-bottom: 10px;
        }
        .content p {
            margin-bottom: 20px;
            color: #2a2d3a;
        }
        .content p.lead {
            font-size: 1.2rem;
            color: #3d4050;
            font-weight: 400;
            background: #f5f1ea;
            padding: 20px 24px;
            border-radius: 16px;
            border-left: 4px solid #f5cb5c;
        }
        .content ul,
        .content ol {
            margin-bottom: 24px;
            padding-left: 28px;
        }
        .content li {
            margin-bottom: 8px;
        }
        .content .highlight-box {
            background: #f5f1ea;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 28px 0;
            border: 1px solid #e2ddd2;
        }
        .content .highlight-box strong {
            color: #c44536;
        }
        .content .emoji-lg {
            font-size: 1.8rem;
            margin-right: 6px;
        }
        .feature-img {
            margin: 32px 0;
            border-radius: 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
        }
        .feature-img figcaption {
            font-size: 0.9rem;
            color: #7a7f8c;
            text-align: center;
            margin-top: 10px;
            font-style: italic;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 44px 0 30px;
        }
        .interaction-card {
            background: #fff;
            border-radius: 20px;
            padding: 24px 28px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #ede8de;
        }
        .interaction-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 10px 14px;
            border: 2px solid #ddd8ce;
            border-radius: 12px;
            font-size: 0.95rem;
            background: #faf9f6;
            transition: border 0.25s;
            font-family: inherit;
            resize: vertical;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: #c44536;
            outline: none;
        }
        .interaction-card button {
            padding: 12px 20px;
            background: #1a1a2e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .interaction-card button:hover {
            background: #2c2f42;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd8ce;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5cb5c;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            list-style: none;
            padding: 0 !important;
            margin: 16px 0 24px !important;
        }
        .link-list-inline li a {
            background: #f0ede6;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #3d4050;
            transition: background 0.2s, color 0.2s;
        }
        .link-list-inline li a:hover {
            background: #c44536;
            color: #fff;
            text-decoration: none;
        }
        footer {
            background: #1a1a2e;
            color: #c8cdda;
            padding: 48px 24px 30px;
            margin-top: 30px;
            border-top: 6px solid #f5cb5c;
        }
        footer .container {
            max-width: 1140px;
            margin: 0 auto;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        footer h5 {
            color: #f5cb5c;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        footer a {
            color: #b0b8c9;
        }
        footer a:hover {
            color: #f5cb5c;
            text-decoration: none;
        }
        footer .copy {
            border-top: 1px solid #2c2f42;
            padding-top: 24px;
            text-align: center;
            font-size: 0.9rem;
            color: #8a8f9e;
        }
        friend-link {
            display: block;
            margin: 12px 0;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0 12px 4px 0;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 30px;
        }
        @media (max-width: 900px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 16px 0 8px;
                gap: 4px;
            }
            nav ul.open {
                display: flex;
            }
            nav ul li a {
                display: block;
                padding: 10px 16px;
                border-radius: 12px;
            }
            .header-inner {
                padding: 12px 16px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1.05rem;
            }
            .content h2 {
                font-size: 1.7rem;
                padding-left: 14px;
            }
            .content h3 {
                font-size: 1.35rem;
            }
            body {
                font-size: 16px;
            }
            .search-bar .container {
                flex-direction: column;
            }
            .search-bar form {
                width: 100%;
                max-width: 100%;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 8px 16px;
            }
            .sidebar-card {
                padding: 20px 16px;
            }
            .interaction-card {
                padding: 20px 16px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 14px;
            }
            .main-grid {
                padding: 30px 14px 40px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #c44536;
            color: #fff;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(196, 69, 54, 0.3);
            transition: transform 0.2s, background 0.2s;
            z-index: 999;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            transform: translateY(-4px);
            background: #9a2b1f;
        }
        @media (max-width: 600px) {
            .scroll-top {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
                bottom: 20px;
                right: 20px;
            }
        }