* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', 'Segoe UI', Roboto, system-ui, sans-serif;
        }

        body {
            background-color: #12100e;
            color: #eaddc9;
            line-height: 1.6;
            scroll-behavior: smooth;
        }

        /* 容器 */
        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 25px;
        }

        /* 导航 — 暗金质感 */
        header {
            background: #1f1b16;
            border-bottom: 3px solid #c9a75c;
            box-shadow: 0 10px 20px -5px rgba(0,0,0,0.7);
            /*position: sticky;*/
            top: 0;
            z-index: 99;
            padding: 8px 0;
        }

        .header-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo i {
            font-size: 2.4rem;
            color: #f7cf8a;
            text-shadow: 0 0 10px #ffb347;
        }

        .logo span {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f7d794, #dba958);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1.5px;
        }

        .nav-links {
            display: flex;
            flex-wrap: wrap;
            gap: 5px 15px;
            list-style: none;
        }

        .nav-links li a {
            color: #ecdbaa;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 14px;
            border-radius: 40px;
            transition: 0.2s;
            border: 1px solid transparent;
        }

        .nav-links li a:hover {
            background-color: #4a3c28;
            border-color: #b49458;
            color: #ffefcf;
        }

        /* banner 全新风格 */
        .hero-banner {
            background: linear-gradient(107deg, #1e1912 0%, #2f2519 100%), url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxNjAwIiBoZWlnaHQ9IjUwMCIgdmlld0JveD0iMCAwIDE2MDAgNTAwIj48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBmaWxsPSIjMjIxYzE0Ii8+PHRleHQgeD0iODAwIiB5PSIyNTAiIGZvbnQtc2l6ZT0iNDgiIGZpbGw9IiNlMGJmODAiIHRleHQtYW5jaG9yPSJtaWRkbGUiIGRvbWluYW50LWJhc2VsaW5lPSJtaWRkbGUiIGZvbnQtZmFtaWx5PSJBcmlhbCxzYW5zLXNlcmlmIiBmb250LXdlaWdodD0iYm9sZCI+QnVudHkgUXVlZW4g8J+OizwvdGV4dD48L3N2Zz4=');
            background-size: cover;
            background-blend-mode: overlay;
            padding: 80px 20px;
            margin-bottom: 50px;
            border-bottom: 6px solid #b2874b;
            text-align: center;
        }

        .hero-content h2 {
            font-size: 3.5rem;
            font-weight: 900;
            color: #fde3b1;
            text-shadow: 4px 4px 0 #352915, 7px 7px 0 rgba(0,0,0,0.6);
        }

        .hero-content p {
            font-size: 2rem;
            background: rgba(10, 8, 5, 0.6);
            backdrop-filter: blur(6px);
            display: inline-block;
            padding: 12px 40px;
            border-radius: 60px;
            border: 1px solid #cfa45b;
            margin-top: 20px;
            font-weight: 600;
        }

        /* 版块卡片 — 磨砂黑金 */
        .card-block {
            background: #1e1a15;
            border-radius: 48px 48px 48px 16px;
            padding: 35px 35px;
            margin-bottom: 50px;
            border-left: 8px solid #c8a15e;
            box-shadow: 0 25px 35px -10px #00000080;
            transition: all 0.2s;
        }

        .card-block:nth-child(odd) {
            border-left-color: #b3803b;
            background: #1c1712;
        }

        .card-block h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #f5d797;
            margin-bottom: 25px;
            border-bottom: 2px dashed #ab7e48;
            padding-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .card-block h2 i {
            color: #fbc16a;
            font-size: 2.2rem;
        }

        .kw-highlight {
            font-weight: 800;
            background: #30281e;
            color: #fad98b;
            padding: 2px 10px;
            border-radius: 30px;
            border-bottom: 2px solid #c99d4d;
        }

        b, strong {
            color: #fad67c;
            font-weight: 700;
        }

        /* FAQ 网格 */
        .faq-grid2 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 20px;
        }

        .faq-card2 {
            background: #2b241d;
            border-radius: 28px;
            padding: 25px;
            border-bottom: 5px solid #a17a48;
            transition: 0.15s;
        }

        .faq-card2 h3 {
            color: #f5cd8a;
            font-size: 1.5rem;
            border-left: 6px solid #c09652;
            padding-left: 16px;
            margin-bottom: 15px;
        }

        /* 平台按钮行（一行5个） */
        .platform-bar {
            background: #2c241a;
            border-radius: 70px 70px 20px 20px;
            padding: 35px 25px 30px;
            margin: 30px 0 20px;
            border: 1px solid #6b5536;
            box-shadow: inset 0 0 15px #0f0d09, 0 12px 0 #5e452a;
        }

        .platform-bar h3 {
            text-align: center;
            color: #fae3b3;
            font-size: 2.2rem;
            letter-spacing: 2px;
            margin-bottom: 25px;
        }

        .button-row {
            display: flex;
            flex-wrap: nowrap;
            justify-content: center;
            gap: 12px;
            width: 100%;
        }

        .button-5 {
            flex: 0 1 auto;
            width: 18%;
            min-width: 95px;
            background: #dbaa58;
            color: #1b140e;
            text-decoration: none;
            font-weight: 800;
            padding: 14px 5px;
            border-radius: 60px;
            text-align: center;
            font-size: 0.95rem;
            border: 2px solid #ffeac2;
            box-shadow: 0 7px 0 #8a6338, 0 10px 15px black;
            transition: 0.1s;
            white-space: nowrap;
        }

        .button-5:hover {
            transform: translateY(5px);
            box-shadow: 0 2px 0 #8a6338, 0 8px 15px black;
            background: #f5bf6b;
        }

        @media (max-width: 750px) {
            .button-row {
                gap: 5px;
            }
            .button-5 {
                font-size: 0.65rem;
                padding: 10px 2px;
                min-width: 60px;
                white-space: normal;
                word-break: keep-all;
            }
            .hero-content h2 { font-size: 2.2rem; }
            .hero-content p { font-size: 1.2rem; }
        }

        /* 站内链接 */
        .internal-link {
            color: #f1c47c;
            text-decoration: underline dotted 2px #b78b4a;
            font-weight: 600;
        }

        footer {
            background: #15110d;
            padding: 40px 20px;
            border-top: 4px solid #ad823f;
            text-align: center;
            color: #bb9f73;
        }

        footer a {
            color: #fbd997;
            margin: 0 10px;
        }