*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #0b1a2e;
            --secondary: #1e3a5f;
            --accent: #f5a623;
            --accent-light: #ffc857;
            --bg: #f4f6f9;
            --card-bg: #ffffff;
            --text: #1a1a2e;
            --text-light: #4a4a5a;
            --border: #dce1e8;
            --radius: 14px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--primary);
            color: #fff;
            padding: 12px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: #fff;
            background: linear-gradient(135deg, var(--accent), #e8920e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            font-size: 1.6rem;
            -webkit-text-fill-color: var(--accent);
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.3px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .main-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.85);
            padding: 6px 14px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent-light);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.7rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        #nav-toggle {
            display: none;
        }
        #nav-toggle:checked~.main-nav {
            display: flex;
            flex-direction: column;
            width: 100%;
            background: var(--primary);
            padding: 16px 0 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        #nav-toggle:checked~.main-nav a {
            padding: 10px 20px;
            border-radius: 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .breadcrumb-wrap {
            background: rgba(255, 255, 255, 0.04);
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 6px 14px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .breadcrumb li+li::before {
            content: "▸";
            margin-right: 14px;
            color: rgba(255, 255, 255, 0.25);
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }
        .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .breadcrumb .current {
            color: var(--accent-light);
            font-weight: 500;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media(max-width:992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px 36px;
            box-shadow: var(--shadow);
        }
        @media(max-width:600px) {
            .article-body {
                padding: 20px 18px;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            margin: 0 0 12px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .article-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent);
            color: var(--primary);
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: var(--secondary);
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: var(--text);
        }
        .article-body p {
            margin: 0 0 18px;
            color: var(--text-light);
        }
        .article-body strong {
            color: var(--text);
            font-weight: 700;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 24px;
            color: var(--text-light);
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body .feature-img {
            margin: 28px 0 32px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            background: #eef1f5;
        }
        .article-body .feature-img img {
            width: 100%;
            object-fit: cover;
            max-height: 460px;
        }
        .article-body .feature-img figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: #f8f9fc;
            border-radius: 0 0 var(--radius) var(--radius);
            border-top: 1px solid var(--border);
        }
        .update-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #eef3fa;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: var(--secondary);
            margin-bottom: 20px;
            border: 1px solid var(--border);
        }
        .update-badge i {
            color: var(--accent);
        }
        .highlight-box {
            background: #fef9ed;
            border-left: 5px solid var(--accent);
            padding: 18px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .highlight-box p {
            margin: 0;
        }
        .emoji-lg {
            font-size: 1.3em;
            margin-right: 4px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 22px 20px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 6px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card a i {
            color: var(--accent);
            font-size: 0.8rem;
        }
        .function-section {
            margin-top: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }
        @media(max-width:768px) {
            .function-section {
                grid-template-columns: 1fr;
            }
        }
        .func-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 22px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .func-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--primary);
        }
        .func-card input,
        .func-card textarea,
        .func-card select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-family: var(--font);
            font-size: 0.95rem;
            background: #fafbfc;
            transition: border var(--transition);
            margin-bottom: 12px;
        }
        .func-card input:focus,
        .func-card textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
        }
        .func-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            background: var(--secondary);
            color: #fff;
        }
        .btn:hover {
            background: var(--primary);
            transform: translateY(-1px);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-accent:hover {
            background: var(--accent-light);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            cursor: pointer;
            color: #d5d9e0;
            transition: color var(--transition);
            margin-bottom: 12px;
        }
        .rating-stars i {
            transition: color var(--transition), transform var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: var(--accent);
            transform: scale(1.1);
        }
        .rating-stars i.selected {
            color: var(--accent);
        }
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 40px 0 20px;
            margin-top: 20px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        @media(max-width:768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-inner a {
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-inner a:hover {
            color: var(--accent-light);
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            padding: 4px 0;
        }
        friend-link {
            display: block;
            padding: 14px 0 6px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 20px;
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 20px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media(max-width:768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
            }
            .header-inner {
                position: relative;
            }
            .nav-wrapper {
                gap: 6px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .article-body {
                padding: 16px;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 12px;
            }
            .article-body h1 {
                font-size: 1.5rem;
            }
            .func-card {
                padding: 16px;
            }
            .rating-stars {
                font-size: 1.3rem;
            }
        }
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s ease forwards;
        }
        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }