*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a2a3a;
            --secondary: #d4a843;
            --accent: #e85d3a;
            --light: #f8f6f0;
            --dark: #0e1a26;
            --gray: #5a6a7a;
            --border: #d0c8b8;
            --shadow: 0 4px 20px rgba(0, 0, 0, .08);
            --radius: 12px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-w: 1200px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--light);
            color: var(--primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color .25s;
        }
        a:hover {
            color: #c0442a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--dark);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(0, 0, 0, .3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 2rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #e8c15a;
        }
        .my-logo span {
            font-size: .75rem;
            font-weight: 400;
            color: #aaa;
            display: block;
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #ddd;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: .9rem;
            font-weight: 500;
            transition: all .25s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fff;
            background: rgba(212, 168, 67, .2);
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: .8rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background .2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, .1);
        }
        .nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #f0ece4;
            padding: 10px 0;
            font-size: .85rem;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: var(--gray);
            font-weight: 700;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, var(--dark) 0%, #1f3a4a 100%);
            color: #fff;
            padding: 60px 0 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "♠ ♥ ♦ ♣";
            position: absolute;
            bottom: -20px;
            right: -20px;
            font-size: 10rem;
            opacity: .04;
            color: var(--secondary);
            letter-spacing: 20px;
            pointer-events: none;
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: var(--secondary);
            margin: 0 8px;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 760px;
            margin: 0 auto 24px;
            color: #cbd5e0;
        }
        .hero .badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--dark);
            padding: 4px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: .85rem;
            letter-spacing: 1px;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 48px 0 16px;
            color: var(--dark);
            border-left: 5px solid var(--secondary);
            padding-left: 16px;
        }
        .content-body h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: #1f3a4a;
        }
        .content-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 20px 0 8px;
            color: #2a4a5a;
        }
        .content-body p {
            margin-bottom: 16px;
            color: #2e3b48;
        }
        .content-body ul,
        .content-body ol {
            margin: 12px 0 20px 24px;
        }
        .content-body li {
            margin-bottom: 8px;
        }
        .content-body .highlight-box {
            background: #f0ece4;
            border-radius: var(--radius);
            padding: 24px 28px;
            margin: 24px 0;
            border-left: 4px solid var(--secondary);
        }
        .content-body .highlight-box i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .content-body .pro-tip {
            background: #e8f0e8;
            border-left: 4px solid #3a8a5a;
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
        .content-body .pro-tip i {
            color: #3a8a5a;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            font-size: .85rem;
            color: var(--gray);
            margin-top: 8px;
            text-align: center;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 24px 20px;
            margin-bottom: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 8px;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
        }
        .sidebar-link-list li {
            margin-bottom: 6px;
        }
        .sidebar-link-list a {
            display: block;
            padding: 6px 10px;
            border-radius: 6px;
            font-size: .9rem;
            transition: background .2s;
        }
        .sidebar-link-list a:hover {
            background: #f0ece4;
            text-decoration: none;
        }
        .sidebar-link-list a i {
            width: 20px;
            color: var(--secondary);
        }
        .form-section {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 24px;
            margin: 40px 0;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .form-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: .9rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-family: var(--font);
            font-size: .95rem;
            background: var(--light);
            transition: border .25s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(212, 168, 67, .15);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 90px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: .95rem;
            cursor: pointer;
            transition: all .25s;
            background: var(--secondary);
            color: var(--dark);
        }
        .btn:hover {
            background: #c89a35;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(212, 168, 67, .35);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }
        .btn-outline:hover {
            background: var(--secondary);
            color: var(--dark);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color .2s;
            cursor: pointer;
            color: #ddd;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--secondary);
        }
        .site-footer {
            background: var(--dark);
            color: #b0bcc8;
            padding: 40px 0 20px;
            font-size: .9rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 24px;
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .footer-inner a {
            color: #b0bcc8;
        }
        .footer-inner a:hover {
            color: var(--secondary);
        }
        friend-link {
            display: block;
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 16px;
            font-size: .85rem;
        }
        friend-link a {
            color: var(--secondary);
            margin: 0 8px;
        }
        .copyright {
            text-align: center;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, .06);
            font-size: .8rem;
            color: #7a8a9a;
        }
        .copyright a {
            color: var(--secondary);
        }
        .last-updated {
            display: inline-block;
            background: rgba(212, 168, 67, .12);
            padding: 2px 14px;
            border-radius: 20px;
            font-size: .8rem;
            color: var(--secondary);
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0 4px;
                gap: 4px;
                border-top: 1px solid rgba(255, 255, 255, .08);
                margin-top: 8px;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 8px;
            }
            .nav-toggle:checked~.main-nav {
                display: flex;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero {
                padding: 40px 0 30px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .form-section {
                padding: 20px 16px;
            }
            .content-body h2 {
                font-size: 1.4rem;
            }
            .star-rating {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: .75rem;
            }
            .btn {
                padding: 8px 20px;
                font-size: .85rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mb-8 {
            margin-bottom: 8px;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .gap-12 {
            gap: 12px;
        }
        .items-center {
            align-items: center;
        }
        .w-full {
            width: 100%;
        }