*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #1a0f0a;
            color: #f5e6d3;
            line-height: 1.8;
            min-height: 100vh;
        }
        a {
            color: #e8b87a;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover,
        a:focus {
            color: #f7d9a8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.8rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f7e4cf;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 4px solid #b87a4a;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 6px solid #b87a4a;
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.7rem;
            margin-top: 2.2rem;
        }
        h4 {
            font-size: 1.3rem;
            margin-top: 1.5rem;
            color: #e8c9a8;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #eaddd0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        :root {
            --bg-dark: #1a0f0a;
            --bg-card: #2c1e14;
            --bg-card-hover: #3d2a1c;
            --accent-primary: #b87a4a;
            --accent-secondary: #d4a574;
            --text-light: #f5e6d3;
            --text-muted: #bfa99a;
            --border-glow: #8a5e3a;
            --shadow-warm: rgba(184, 122, 74, 0.25);
        }
        .site-header {
            background: linear-gradient(135deg, #0f0805 0%, #2c1a10 100%);
            padding: 1.2rem 0;
            border-bottom: 3px solid var(--accent-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: #f7e4cf;
            text-shadow: 0 0 20px var(--shadow-warm);
            background: linear-gradient(to right, #e8b87a, #d4a574);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: var(--text-muted);
            color: var(--text-muted);
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 2px solid var(--accent-primary);
            color: var(--text-light);
            font-size: 1.6rem;
            padding: 0.3rem 0.9rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .nav-toggle:hover {
            background: var(--accent-primary);
            color: #1a0f0a;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.8rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            display: inline-block;
            padding: 0.4rem 1rem;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #eaddd0;
            border: 1px solid transparent;
            transition: all 0.3s ease;
        }
        .nav-menu li a:hover {
            background: rgba(184, 122, 74, 0.2);
            border-color: var(--accent-primary);
            color: #f7e4cf;
            text-decoration: none;
        }
        .nav-menu li a.active {
            background: var(--accent-primary);
            color: #1a0f0a;
            font-weight: 600;
        }
        .breadcrumb {
            background: #1f130e;
            padding: 0.7rem 1.2rem;
            border-radius: 30px;
            margin: 1.2rem 0 1.8rem 0;
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "▸";
            color: var(--accent-secondary);
            margin-right: 0.6rem;
        }
        .breadcrumb a {
            color: var(--accent-secondary);
        }
        .breadcrumb .current {
            color: #eaddd0;
            font-weight: 600;
        }
        .search-wrap {
            background: #1f130e;
            border-radius: 40px;
            padding: 0.3rem 0.3rem 0.3rem 1.4rem;
            display: flex;
            align-items: center;
            border: 2px solid #3d2a1c;
            transition: border-color 0.4s;
            max-width: 480px;
            margin: 1.2rem 0 2rem 0;
        }
        .search-wrap:focus-within {
            border-color: var(--accent-primary);
            box-shadow: 0 0 20px var(--shadow-warm);
        }
        .search-wrap input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 0.7rem 0;
            font-size: 1rem;
            color: var(--text-light);
            outline: none;
            min-width: 0;
        }
        .search-wrap input::placeholder {
            color: var(--text-muted);
        }
        .search-wrap button {
            background: var(--accent-primary);
            border: none;
            color: #1a0f0a;
            padding: 0.7rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-wrap button:hover {
            background: #d4a574;
            transform: scale(1.02);
        }
        .hero-figure {
            margin: 2rem 0 2.5rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
            border: 2px solid #3d2a1c;
            position: relative;
        }
        .hero-figure img {
            width: 100%;
            max-height: 520px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .hero-figure:hover img {
            transform: scale(1.02);
        }
        .hero-figure figcaption {
            background: linear-gradient(transparent, #1a0f0a);
            padding: 2rem 1.5rem 1rem 1.5rem;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            font-style: italic;
            color: #eaddd0;
            font-size: 0.95rem;
        }
        .section-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 2rem 2.2rem;
            margin: 2.2rem 0;
            border-left: 4px solid var(--accent-primary);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
            transition: background 0.3s, transform 0.2s;
        }
        .section-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-2px);
        }
        .section-card h3 {
            margin-top: 0;
        }
        .tip-box {
            background: #1f130e;
            border-radius: 12px;
            padding: 1.5rem 2rem;
            margin: 1.8rem 0;
            border: 1px dashed var(--accent-secondary);
            position: relative;
        }
        .tip-box::before {
            content: "💡";
            position: absolute;
            top: -14px;
            left: 20px;
            font-size: 1.6rem;
            background: #1a0f0a;
            padding: 0 0.6rem;
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .interact-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 1.8rem 2rem;
            border: 1px solid #3d2a1c;
            transition: border-color 0.3s;
        }
        .interact-card:hover {
            border-color: var(--accent-primary);
        }
        .interact-card h3 {
            margin-top: 0;
            font-size: 1.5rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            margin: 1rem 0 1.2rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.2rem;
            color: #4d3a2a;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b342;
            transform: scale(1.1);
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .interact-card input,
        .interact-card textarea {
            background: #1f130e;
            border: 2px solid #3d2a1c;
            border-radius: 10px;
            padding: 0.8rem 1.2rem;
            font-size: 1rem;
            color: var(--text-light);
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .interact-card input:focus,
        .interact-card textarea:focus {
            border-color: var(--accent-primary);
            outline: none;
        }
        .interact-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interact-card .btn-submit {
            background: var(--accent-primary);
            border: none;
            color: #1a0f0a;
            padding: 0.8rem 1.8rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            align-self: flex-start;
        }
        .interact-card .btn-submit:hover {
            background: #d4a574;
            transform: translateY(-2px);
        }
        .links-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 0.6rem 1.2rem;
            list-style: none;
            padding: 0;
            margin: 1.2rem 0;
        }
        .links-list li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.04);
            transition: background 0.3s;
            font-size: 0.95rem;
        }
        .links-list li a:hover {
            background: rgba(184, 122, 74, 0.15);
            text-decoration: none;
        }
        .site-footer {
            background: #0f0805;
            border-top: 3px solid var(--accent-primary);
            padding: 3rem 0 2rem 0;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
        }
        .footer-grid h4 {
            color: #e8b87a;
            margin-top: 0;
            font-size: 1.2rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid ul li {
            margin-bottom: 0.4rem;
        }
        .footer-grid ul li a {
            font-size: 0.95rem;
        }
        friend-link {
            display: block;
            background: #1f130e;
            border-radius: 12px;
            padding: 1.5rem 2rem;
            margin: 2rem 0 1rem 0;
            border: 1px solid #3d2a1c;
        }
        friend-link span {
            display: block;
            font-weight: 700;
            color: var(--accent-secondary);
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #2c1a10;
            margin-top: 2rem;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .copyright strong {
            color: var(--accent-secondary);
        }
        @media (max-width: 900px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.8rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1f130e;
                border-radius: 12px;
                padding: 1rem 0.8rem;
                margin-top: 0.8rem;
                border: 1px solid #3d2a1c;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .section-card {
                padding: 1.4rem 1.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
                padding-left: 0.6rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                flex-wrap: wrap;
                padding: 0.5rem 1rem;
            }
            .search-wrap {
                flex-direction: column;
                border-radius: 20px;
                padding: 0.5rem 0.8rem;
                gap: 0.5rem;
            }
            .search-wrap button {
                width: 100%;
                justify-content: center;
            }
            .hero-figure figcaption {
                font-size: 0.8rem;
                padding: 1rem 0.8rem 0.6rem 0.8rem;
            }
            .links-list {
                grid-template-columns: 1fr;
            }
            .tip-box {
                padding: 1.2rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .interact-card {
                padding: 1.2rem 1rem;
            }
            .star-rating label {
                font-size: 1.8rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .section-card {
                padding: 1rem 0.9rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
        }
        .badge {
            display: inline-block;
            background: var(--accent-primary);
            color: #1a0f0a;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .updated-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #2c1a10;
            padding: 0.4rem 1.2rem;
            border-radius: 30px;
            font-size: 0.9rem;
            color: var(--accent-secondary);
            border: 1px solid #3d2a1c;
            margin-bottom: 1.2rem;
        }
        .table-of-contents {
            background: #1f130e;
            border-radius: 14px;
            padding: 1.5rem 2rem;
            margin: 1.8rem 0;
            border: 1px solid #3d2a1c;
        }
        .table-of-contents ol {
            columns: 2;
            column-gap: 2.5rem;
            padding-left: 1.5rem;
        }
        .table-of-contents ol li {
            margin-bottom: 0.3rem;
            break-inside: avoid;
        }
        .table-of-contents ol li a {
            color: #eaddd0;
        }
        .table-of-contents ol li a:hover {
            color: #f7d9a8;
        }
        @media (max-width: 600px) {
            .table-of-contents ol {
                columns: 1;
            }
        }
        .fade-in {
            animation: fadeIn 0.7s ease forwards;
        }
        @keyframes fadeIn {
            0% {
                opacity: 0;
                transform: translateY(18px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }