*, *::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: #0b0e14;
            color: #e8edf3;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: #f9a826; text-decoration: none; transition: color 0.25s; }
        a:hover, a:focus { color: #ffc857; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: #fff; margin-bottom: 0.5rem; }
        h1 { font-size: 2.4rem; }
        h2 { font-size: 1.8rem; margin-top: 2.5rem; border-left: 5px solid #f9a826; padding-left: 1rem; }
        h3 { font-size: 1.35rem; margin-top: 1.8rem; color: #f0c27a; }
        h4 { font-size: 1.1rem; margin-top: 1.2rem; color: #d4dce8; }
        p { margin-bottom: 1.2rem; }
        ul, ol { margin: 0.8rem 0 1.2rem 1.8rem; }
        li { margin-bottom: 0.4rem; }
        strong { color: #ffd78a; font-weight: 700; }
        em { color: #b8c7dd; font-style: italic; }
        hr { border: none; border-top: 1px solid #2a3342; margin: 2.5rem 0; }
        .container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
        .site-header {
            background: linear-gradient(145deg, #141a24, #1a2230);
            border-bottom: 3px solid #f9a826;
            padding: 0.6rem 0;
            position: sticky; top: 0; z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.65);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            flex-wrap: wrap; gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.9rem; font-weight: 900; letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f9a826, #ff6b35);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(249,168,38,0.25);
            display: flex; align-items: center; gap: 0.4rem;
        }
        .my-logo i { font-size: 1.7rem; -webkit-text-fill-color: #f9a826; }
        .my-logo:hover { opacity: 0.9; text-decoration: none; }
        .my-logo small { font-size: 0.7rem; font-weight: 400; display: block; -webkit-text-fill-color: rgba(255,255,255,0.5); letter-spacing: 1px; }
        .nav-main { display: flex; align-items: center; gap: 0.2rem; flex-wrap: wrap; }
        .nav-main a {
            padding: 0.5rem 1rem; border-radius: 30px; font-size: 0.9rem; font-weight: 500;
            color: #c8d0dc; transition: all 0.25s; white-space: nowrap;
        }
        .nav-main a:hover, .nav-main a.active {
            background: rgba(249,168,38,0.15); color: #f9a826; text-decoration: none;
        }
        .nav-main a i { margin-right: 0.35rem; font-size: 0.85rem; }
        .hamburger { display: none; background: none; border: none; color: #fff; font-size: 1.8rem; cursor: pointer; padding: 0.25rem 0.5rem; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-main { display: none; width: 100%; flex-direction: column; align-items: flex-start; padding: 0.8rem 0 0.4rem; gap: 0.3rem; }
            .nav-main.open { display: flex; }
            .nav-main a { width: 100%; padding: 0.6rem 1rem; border-radius: 8px; }
        }
        .breadcrumb { padding: 0.8rem 0 0.2rem; font-size: 0.85rem; color: #8a98b0; }
        .breadcrumb a { color: #8a98b0; }
        .breadcrumb a:hover { color: #f9a826; }
        .breadcrumb span { color: #f9a826; }
        .hero { padding: 2rem 0 1.5rem; text-align: center; }
        .hero h1 { font-size: 2.8rem; background: linear-gradient(135deg, #f9a826, #ff7e5f); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 0.5rem; }
        .hero .subhead { font-size: 1.1rem; color: #aab7d0; max-width: 700px; margin: 0 auto 1.2rem; }
        .hero .meta-info { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; font-size: 0.9rem; color: #7e8da8; }
        .hero .meta-info i { margin-right: 0.3rem; }
        .content-area { padding: 1rem 0 3rem; }
        .content-section { margin-bottom: 2.5rem; }
        .feature-box {
            background: #1a2230; border-radius: 16px; padding: 1.8rem; margin: 1.5rem 0;
            border-left: 4px solid #f9a826; box-shadow: 0 8px 28px rgba(0,0,0,0.3);
        }
        .feature-box h3 { margin-top: 0; color: #f9a826; }
        .feature-box p:last-child { margin-bottom: 0; }
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.8rem; margin: 1.5rem 0; }
        @media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }
        .card {
            background: #1e2736; border-radius: 16px; padding: 1.5rem;
            transition: transform 0.2s, box-shadow 0.2s; border: 1px solid #2a3342;
        }
        .card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,0.35); }
        .card i { font-size: 2rem; color: #f9a826; margin-bottom: 0.6rem; display: inline-block; }
        .stat-row { display: flex; flex-wrap: wrap; gap: 1.2rem; justify-content: space-between; margin: 1.2rem 0; }
        .stat-item { background: #1a2230; padding: 1rem 1.5rem; border-radius: 12px; flex: 1; min-width: 120px; text-align: center; border: 1px solid #2a3342; }
        .stat-item .num { font-size: 2rem; font-weight: 800; color: #f9a826; display: block; }
        .stat-item .label { font-size: 0.85rem; color: #8a98b0; text-transform: uppercase; letter-spacing: 0.5px; }
        .tip-list li { margin-bottom: 0.8rem; }
        .tip-list li i { color: #f9a826; width: 1.6rem; }
        .table-wrap { overflow-x: auto; margin: 1.5rem 0; border-radius: 12px; border: 1px solid #2a3342; }
        table { width: 100%; border-collapse: collapse; background: #1a2230; min-width: 500px; }
        th { background: #232d3f; color: #f9a826; padding: 0.8rem 1rem; text-align: left; font-weight: 600; }
        td { padding: 0.7rem 1rem; border-top: 1px solid #2a3342; }
        tr:hover td { background: rgba(249,168,38,0.04); }
        .img-wrapper { margin: 2rem 0; border-radius: 16px; overflow: hidden; background: #1a2230; padding: 0.5rem; border: 1px solid #2a3342; }
        .img-wrapper figcaption { text-align: center; padding: 0.7rem 0.5rem 0.3rem; font-size: 0.85rem; color: #8a98b0; }
        .search-block { background: #1a2230; border-radius: 16px; padding: 1.8rem; margin: 2rem 0; border: 1px solid #2a3342; }
        .search-block form { display: flex; gap: 0.6rem; flex-wrap: wrap; }
        .search-block input[type="text"] {
            flex: 1; min-width: 180px; padding: 0.8rem 1.2rem; border-radius: 40px; border: 2px solid #2a3342;
            background: #0b0e14; color: #fff; font-size: 1rem; transition: border 0.25s;
        }
        .search-block input[type="text"]:focus { outline: none; border-color: #f9a826; }
        .search-block button {
            padding: 0.8rem 1.8rem; border-radius: 40px; border: none; background: #f9a826; color: #0b0e14;
            font-weight: 700; font-size: 1rem; cursor: pointer; transition: background 0.25s, transform 0.15s;
            display: flex; align-items: center; gap: 0.5rem;
        }
        .search-block button:hover { background: #ffc857; transform: scale(1.02); }
        .interact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.8rem; margin: 2rem 0; }
        @media (max-width: 640px) { .interact-grid { grid-template-columns: 1fr; } }
        .interact-card { background: #1a2230; border-radius: 16px; padding: 1.8rem; border: 1px solid #2a3342; }
        .interact-card h3 { margin-top: 0; display: flex; align-items: center; gap: 0.6rem; }
        .interact-card form { margin-top: 0.8rem; }
        .interact-card input, .interact-card textarea, .interact-card select {
            width: 100%; padding: 0.7rem 1rem; margin-bottom: 0.8rem; border-radius: 8px;
            border: 1px solid #2a3342; background: #0b0e14; color: #fff; font-size: 0.95rem; font-family: inherit;
        }
        .interact-card input:focus, .interact-card textarea:focus { outline: none; border-color: #f9a826; }
        .interact-card textarea { min-height: 80px; resize: vertical; }
        .interact-card .btn-submit {
            padding: 0.7rem 1.8rem; border-radius: 40px; border: none; background: #f9a826; color: #0b0e14;
            font-weight: 700; cursor: pointer; transition: background 0.25s; font-size: 0.95rem;
        }
        .interact-card .btn-submit:hover { background: #ffc857; }
        .star-rating { display: flex; flex-direction: row-reverse; justify-content: flex-end; gap: 0.3rem; margin: 0.6rem 0 1rem; }
        .star-rating input { display: none; }
        .star-rating label { font-size: 1.8rem; color: #3a4558; cursor: pointer; transition: color 0.2s; }
        .star-rating input:checked ~ label, .star-rating label:hover, .star-rating label:hover ~ label { color: #f9a826; }
        .links-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.8rem; margin: 1.5rem 0; }
        .links-grid a {
            background: #1a2230; padding: 0.7rem 1.2rem; border-radius: 10px; border: 1px solid #2a3342;
            display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; transition: all 0.2s;
        }
        .links-grid a:hover { background: #232d3f; border-color: #f9a826; transform: translateX(4px); text-decoration: none; }
        .links-grid a i { color: #f9a826; font-size: 0.85rem; }
        .site-footer {
            background: #141a24; border-top: 3px solid #f9a826; padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-inner { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; }
        @media (max-width: 640px) { .footer-inner { grid-template-columns: 1fr; } }
        .footer-inner h4 { color: #f9a826; margin-bottom: 1rem; font-size: 1.1rem; }
        .footer-inner a { display: block; padding: 0.2rem 0; color: #8a98b0; font-size: 0.9rem; }
        .footer-inner a:hover { color: #f9a826; }
        friend-link { display: block; }
        friend-link a { display: inline-block; margin: 0.2rem 0.6rem 0.2rem 0; padding: 0.2rem 0; }
        .copyright { text-align: center; padding-top: 2rem; margin-top: 2rem; border-top: 1px solid #2a3342; font-size: 0.85rem; color: #5e6e88; }
        .copyright a { color: #8a98b0; display: inline; padding: 0; }
        @media (max-width: 480px) {
            h1 { font-size: 1.9rem; }
            h2 { font-size: 1.4rem; }
            .hero h1 { font-size: 2rem; }
            .my-logo { font-size: 1.4rem; }
            .stat-item .num { font-size: 1.4rem; }
        }
        .skip-link { position: absolute; top: -100px; left: 0; background: #f9a826; color: #0b0e14; padding: 0.6rem 1.2rem; z-index: 10000; font-weight: 700; border-radius: 0 0 8px 0; }
        .skip-link:focus { top: 0; }
        .fade-in { animation: fadeUp 0.5s ease forwards; }
        @keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
        .scroll-top { position: fixed; bottom: 2rem; right: 2rem; background: #f9a826; color: #0b0e14; width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; cursor: pointer; border: none; box-shadow: 0 6px 20px rgba(249,168,38,0.3); transition: transform 0.2s; z-index: 999; }
        .scroll-top:hover { transform: scale(1.1); }