/* 黑金商务深色主题 + 极简无阴影 + 描边分割 */
        :root {
            --main: #eab308;
            --accent: #f59e0b;
            --bg: #18181b;
            --text: #fafafa;
            --border-color: rgba(234, 179, 8, 0.25);
        }

        * {
            box-sizing: border-box;
        }

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Inter', sans-serif;
            font-weight: 400;
            line-height: 1.7;
            letter-spacing: 0.02em;
            overflow-x: hidden;
        }

        /* 渐变大背景 + 光晕点缀 */
        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background: radial-gradient(circle at 20% 30%, rgba(234,179,8,0.15) 0%, transparent 35%),
                        radial-gradient(circle at 80% 70%, rgba(245,158,11,0.12) 0%, transparent 40%),
                        #18181b;
            border-bottom: 1px solid var(--border-color);
            padding: 4rem 0;
            margin-top: 0;
        }
        /* 视差滚动(简单背景偏移) */
        .parallax-layer {
            position: absolute;
            top: -10%; left: 5%;
            width: 300px; height: 300px;
            background: radial-gradient(circle, rgba(234,179,8,0.2) 0%, transparent 70%);
            filter: blur(60px);
            pointer-events: none;
            z-index: 0;
            animation: floatBlob 12s infinite alternate ease-in-out;
        }
        .parallax-layer2 {
            top: 60%; left: 70%;
            width: 400px; height: 400px;
            background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%);
            filter: blur(80px);
        }
        @keyframes floatBlob {
            0% { transform: translateY(0px) translateX(0px); }
            100% { transform: translateY(-30px) translateX(20px); }
        }

        /* 导航栏 */
        .navbar-custom {
            background: rgba(24, 24, 27, 0.85);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            padding: 0.8rem 2rem;
            z-index: 999;
        }
        .navbar-brand {
            font-weight: 900;
            font-size: 1.6rem;
            color: var(--main) !important;
            letter-spacing: -0.5px;
        }
        .navbar-brand i {
            margin-right: 0.35rem;
            color: var(--accent);
        }
        .nav-link-custom {
            color: rgba(250, 250, 250, 0.8) !important;
            font-weight: 500;
            margin-left: 1.2rem;
            transition: color 0.2s;
            border-bottom: 2px solid transparent;
        }
        .nav-link-custom:hover {
            color: var(--main) !important;
            border-bottom-color: var(--main);
        }
        .navbar-toggler {
            border-color: var(--main);
            color: var(--main);
        }

        /* 渐变标题 */
        .gradient-text {
            background: linear-gradient(135deg, #fef3c7 0%, #eab308 40%, #f59e0b 90%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 900;
            display: inline-block;
        }

        /* 标题字体 */
        h1, h2, h3 {
            font-weight: 900;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 6px solid var(--main);
            padding-left: 1.2rem;
            margin: 3rem 0 2rem;
        }

        /* 等宽数据 */
        .font-mono {
            font-family: 'SF Mono', 'Fira Code', monospace;
            font-weight: 600;
            letter-spacing: -0.03em;
        }

        /* 描边卡片 无阴影 */
        .border-card {
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 0;
            padding: 1.8rem 1.2rem;
            transition: border-color 0.2s, background 0.2s;
            height: 100%;
        }
        .border-card:hover {
            border-color: var(--main);
            background: rgba(234, 179, 8, 0.03);
        }
        .card-icon {
            font-size: 2.2rem;
            color: var(--main);
            margin-bottom: 1rem;
        }

        /* 步骤条 */
        .steps-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            border-top: 1px solid var(--border-color);
            padding-top: 2.5rem;
        }
        .step-item {
            flex: 1 1 200px;
            position: relative;
            padding-left: 2.5rem;
        }
        .step-item::before {
            content: "0" counter(step-counter);
            counter-increment: step-counter;
            position: absolute;
            left: 0;
            top: 0;
            font-family: monospace;
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            opacity: 0.4;
        }
        .steps-wrapper {
            counter-reset: step-counter;
        }
        .step-item h5 {
            font-weight: 700;
            color: var(--main);
        }

        /* FAQ 风格 */
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 1.5rem 0.5rem;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            justify-content: space-between;
            cursor: pointer;
            color: var(--text);
        }
        .faq-question i {
            color: var(--main);
            font-size: 1.4rem;
        }
        .faq-answer {
            color: rgba(250,250,250,0.7);
            margin-top: 0.8rem;
            padding-right: 2rem;
        }

        /* 播放按钮 hover */
        .poster-wrapper {
            position: relative;
            background: #2a2a2e;
            aspect-ratio: 3/4;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: border 0.3s;
        }
        .poster-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: grayscale(20%);
            transition: transform 0.5s ease, filter 0.3s;
        }
        .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(24, 24, 27, 0.7);
            border: 2px solid var(--main);
            color: var(--main);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.25s, transform 0.2s;
            backdrop-filter: blur(4px);
            font-size: 1.5rem;
        }
        .poster-wrapper:hover .play-btn {
            opacity: 1;
            transform: translate(-50%, -50%) scale(1.05);
        }
        .poster-wrapper:hover img {
            transform: scale(1.05);
            filter: grayscale(0%);
        }

        /* 页脚 */
        .footer-area {
            border-top: 1px solid var(--border-color);
            margin-top: 5rem;
            padding: 2.5rem 0 1.5rem;
            background: rgba(0,0,0,0.2);
        }
        .footer-links a {
            color: rgba(250,250,250,0.7);
            text-decoration: none;
            margin-right: 1.8rem;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: var(--main);
        }

        /* 友情链接 */
        .friend-links {
            border: 1px dashed var(--border-color);
            padding: 1.5rem;
            margin: 2rem 0;
            font-size: 0.95rem;
        }

        /* 统计数字 */
        .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            font-family: 'JetBrains Mono', 'Fira Code', monospace;
            color: var(--main);
            line-height: 1.2;
        }

        /* 通用 */
        .text-muted-c {
            color: rgba(250,250,250,0.6);
        }
        .btn-outline-gold {
            border: 2px solid var(--main);
            color: var(--main);
            background: transparent;
            border-radius: 0;
            font-weight: 600;
            transition: all 0.2s;
        }
        .btn-outline-gold:hover {
            background: var(--main);
            color: #18181b;
        }
        .mt-6 { margin-top: 4rem; }

        /* 移动端修正 */
        @media (max-width: 768px) {
            .navbar-brand { font-size: 1.3rem; }
            .hero-section { min-height: 70vh; }
            .stat-number { font-size: 2rem; }
        }

/* --- 子页面追加 --- */
/* 确保卡片、表单等组件与深色主题匹配（防御性覆盖） */
        .about-card, .about-card .card-body {
            background: var(--card-bg, rgba(255,255,255,0.04));
            color: var(--text, #fafafa);
            border: 1px solid var(--border-color, rgba(234,179,8,0.25));
            border-radius: 1.25rem;
        }
.about-card .card-title {
            color: var(--main, #eab308);
        }
.about-card .card-text {
            color: rgba(250,250,250,0.85);
        }
.list-group-flush .list-group-item {
            background: transparent;
            color: var(--text, #fafafa);
            border-color: var(--border-color, rgba(234,179,8,0.2));
        }
/* 小节标题统一风格 */
        .section-title-border {
            border-left: 4px solid var(--main, #eab308);
            padding-left: 1rem;
        }
/* 用站点已有的边框卡片风格 */
        .border-card {
            background: rgba(24,24,27,0.6);
            backdrop-filter: blur(6px);
        }
/* 确保任何可能遗漏的 Bootstrap 默认白底被压制 */
        .accordion-item, .accordion-button, .modal-content, .form-control {
            background-color: var(--bg, #18181b) !important;
            color: var(--text, #fafafa) !important;
            border-color: var(--border-color, rgba(234,179,8,0.25)) !important;
        }
.accordion-button:not(.collapsed) {
            background-color: rgba(234,179,8,0.12) !important;
        }
/* 导航高亮当前页 */
        .navbar-nav .nav-link.active {
            color: var(--main, #eab308) !important;
            font-weight: 600;
        }

/* --- 子页面追加 --- */
/* 确保Bootstrap组件不破坏深色主题——本页仅用栅格和工具类，但额外加一层保险 */
        .card, .card-body, .list-group-item, .accordion-item, .accordion-button, .accordion-body {
            background: transparent;
            color: var(--text);
            border-color: var(--border-color);
        }
/* 任何潜在的白底都强制覆盖 */
        .bg-white, .bg-light { background: transparent !important; }
.text-dark { color: var(--text) !important; }
/* 本页专属样式：法律条款排版 */
        .legal-section {
            background: rgba(24, 24, 27, 0.6);
            border: 1px solid var(--border-color);
            border-radius: 1.25rem;
            padding: 1.8rem 1.8rem 1.2rem;
            margin-bottom: 2rem;
            backdrop-filter: blur(4px);
        }
.legal-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--main);
            letter-spacing: -0.01em;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            border-bottom: 1px dashed var(--border-color);
            padding-bottom: 0.75rem;
        }
.legal-section h2 i {
            color: var(--accent);
            font-size: 1.4rem;
        }
.legal-section p, .legal-section li {
            color: rgba(250, 250, 250, 0.85);
            font-size: 0.98rem;
            line-height: 1.75;
        }
.legal-section ul {
            padding-left: 1.4rem;
            margin-bottom: 1rem;
        }
.legal-section li {
            margin-bottom: 0.4rem;
        }
.legal-section strong {
            color: var(--main);
            font-weight: 600;
        }
.legal-section a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
.legal-section a:hover {
            color: var(--main);
        }
.legal-updated {
            font-family: var(--font-mono, 'Inter', monospace);
            font-size: 0.85rem;
            color: rgba(250, 250, 250, 0.5);
            margin-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            padding-top: 1rem;
        }
/* 高亮导航中的当前页 */
        .navbar-nav .nav-link-custom.active {
            color: var(--main) !important;
            border-bottom: 2px solid var(--main);
        }

/* --- 子页面追加 --- */
/* 隐私页专属微调——保持与站点风格统一 */
        .privacy-title {
            font-weight: 800;
            letter-spacing: -0.02em;
        }
.privacy-subhead {
            color: var(--accent);
            font-weight: 600;
            border-left: 4px solid var(--main);
            padding-left: 0.75rem;
        }
.privacy-section {
            background: rgba(24, 24, 27, 0.6);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 1.8rem 1.8rem;
            margin-bottom: 2rem;
            backdrop-filter: blur(4px);
        }
.privacy-section h2, .privacy-section h3 {
            color: var(--text);
            font-weight: 700;
            margin-bottom: 1.2rem;
        }
.privacy-section p, .privacy-section li {
            color: rgba(250, 250, 250, 0.85);
            font-weight: 400;
            line-height: 1.7;
        }
.privacy-section strong {
            color: var(--main);
            font-weight: 600;
        }
.privacy-list {
            list-style: none;
            padding-left: 0;
        }
.privacy-list li {
            padding-left: 1.5rem;
            position: relative;
            margin-bottom: 0.6rem;
        }
.privacy-list li::before {
            content: "▹";
            color: var(--main);
            position: absolute;
            left: 0;
            font-weight: 700;
        }
/* 高亮当前导航——隐私政策 */
        .navbar-nav .nav-link.active {
            color: var(--main) !important;
            border-bottom: 2px solid var(--main);
        }