/* roulang page: index */
:root {
            --bg-base: #0B0E14;
            --bg-surface: #141A23;
            --bg-card: #1A222E;
            --bg-card-hover: #222C3B;
            --brand-primary: #7C3AED;
            --brand-accent: #06B6D4;
            --accent-orange: #F97316;
            --accent-green: #10B981;
            --text-main: #FFFFFF;
            --text-body: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-focus: rgba(124, 58, 237, 0.5);
            --radius-outer: 1.25rem;
            --radius-inner: 1rem;
            --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 15px 35px -5px rgba(124, 58, 237, 0.28);
            --brand-gradient: linear-gradient(135deg, #7C3AED 0%, #06B6D4 100%);
        }

        body {
            background-color: var(--bg-base);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
            line-height: 1.65;
            padding-bottom: 70px;
        }

        a {
            text-decoration: none;
            transition: all 0.25s ease;
        }

        /* 顶部微型条 */
        .top-bar {
            background: #07090D;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.8125rem;
            color: var(--text-muted);
            padding: 6px 0;
        }

        /* 悬浮胶囊主导航 */
        .pill-navbar-wrap {
            position: sticky;
            top: 15px;
            z-index: 1030;
            padding: 0 1rem;
        }
        .navbar-capsule {
            background: rgba(20, 26, 35, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-subtle);
            border-radius: 50rem;
            padding: 0.55rem 1.4rem;
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.25rem;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            color: var(--text-body) !important;
            font-weight: 500;
            font-size: 0.9375rem;
            padding: 0.4rem 0.9rem !important;
            border-radius: 50rem;
            transition: all 0.2s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: #FFFFFF !important;
            background: rgba(255, 255, 255, 0.08);
        }

        /* 通用按钮系统 */
        .btn-brand-primary {
            background: var(--brand-gradient);
            color: #FFFFFF;
            border: none;
            border-radius: 50rem;
            font-weight: 600;
            padding: 0.65rem 1.6rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-brand-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
            color: #FFFFFF;
        }
        .btn-brand-secondary {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-main);
            border-radius: 50rem;
            font-weight: 600;
            padding: 0.65rem 1.6rem;
            transition: all 0.3s ease;
        }
        .btn-brand-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        /* 徽章与脉冲点 */
        .badge-pulse {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(124, 58, 237, 0.15);
            border: 1px solid rgba(124, 58, 237, 0.35);
            color: #D8B4FE;
            padding: 0.35rem 0.85rem;
            border-radius: 50rem;
            font-size: 0.8125rem;
            font-weight: 600;
        }
        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent-green);
            box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
            animation: pulse-green 1.8s infinite;
        }
        .pulse-dot.orange {
            background-color: var(--accent-orange);
            box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7);
            animation: pulse-orange 1.8s infinite;
        }
        @keyframes pulse-green {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }
        @keyframes pulse-orange {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(249, 115, 22, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(249, 115, 22, 0); }
        }

        /* 页面板块分隔系统 */
        .landing-section {
            padding: 5.5rem 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-surface);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .section-title {
            color: var(--text-main);
            font-weight: 800;
            font-size: 2.15rem;
            letter-spacing: -0.5px;
            margin-bottom: 0.75rem;
        }
        .section-desc {
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 3rem auto;
            font-size: 1.05rem;
        }

        /* 通用卡片系统 */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-outer);
            padding: 2rem;
            height: 100%;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: rgba(124, 58, 237, 0.4);
            box-shadow: var(--shadow-glow);
        }
        .icon-box {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(124, 58, 237, 0.12);
            color: #A78BFA;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1.25rem;
        }

        /* 首屏 Hero */
        .hero-section {
            padding: 3rem 0 5rem 0;
            background: radial-gradient(circle at 50% 20%, rgba(124, 58, 237, 0.18) 0%, rgba(11, 14, 20, 0) 70%), url('/assets/images/ca98c8aca0e8dae0.png') center/cover no-repeat;
            position: relative;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 14, 20, 0.75) 0%, #0B0E14 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-h1 {
            font-size: 3.1rem;
            font-weight: 900;
            color: #FFFFFF;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 1.25rem;
        }
        .hero-lead {
            font-size: 1.15rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 2rem;
        }
        .hero-card-panel {
            background: rgba(20, 26, 35, 0.85);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-outer);
            padding: 2.25rem;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
        }

        /* 众筹预热进度环/指示卡 */
        .crowd-stat-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-inner);
            padding: 1rem 1.25rem;
        }

        /* 热门直播卡片 */
        .live-room-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-outer);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .live-room-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
            border-color: rgba(6, 182, 212, 0.4);
        }
        .live-thumb-wrap {
            position: relative;
            width: 100%;
            height: 200px;
            overflow: hidden;
        }
        .live-thumb-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .live-room-card:hover .live-thumb-wrap img {
            transform: scale(1.05);
        }
        .live-tag-float {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }
        .live-viewers-float {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(4px);
            padding: 3px 8px;
            border-radius: 6px;
            font-size: 0.75rem;
            color: #FFFFFF;
        }

        /* 战队故事大卡 */
        .story-box {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-outer);
            overflow: hidden;
        }

        /* 关键数据条卡片 */
        .metric-banner {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
            border: 1px solid rgba(124, 58, 237, 0.3);
            border-radius: var(--radius-outer);
            padding: 3rem 2rem;
        }
        .metric-num {
            font-size: 2.75rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -1px;
            line-height: 1;
        }

        /* FAQ 手风琴重塑 */
        .accordion-button {
            background-color: var(--bg-card) !important;
            color: var(--text-main) !important;
            border: none;
            border-radius: 0.75rem !important;
            box-shadow: none !important;
            padding: 1.25rem 1.5rem;
            font-weight: 600;
        }
        .accordion-button:not(.collapsed) {
            background-color: var(--bg-surface) !important;
            color: #A78BFA !important;
            box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.4) !important;
        }
        .accordion-button::after {
            filter: invert(1);
        }
        .accordion-item {
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: 0.75rem;
            margin-bottom: 1rem;
            overflow: hidden;
        }
        .accordion-body {
            background-color: var(--bg-card);
            color: var(--text-body);
            border-top: 1px solid var(--border-subtle);
            padding: 1.25rem 1.5rem;
            line-height: 1.7;
        }

        /* 保障条四联 */
        .guarantee-col {
            border-right: 1px solid var(--border-subtle);
            padding: 1.5rem;
        }
        .guarantee-col:last-child {
            border-right: none;
        }

        /* 底部吸底转化浮层 */
        .sticky-convert-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(11, 14, 20, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid rgba(124, 58, 237, 0.3);
            padding: 0.75rem 1.25rem;
        }

        /* 页脚 */
        .site-footer {
            background-color: #07090D;
            border-top: 1px solid var(--border-subtle);
            padding: 4.5rem 0 3rem 0;
            font-size: 0.9375rem;
        }
        .footer-heading {
            color: #FFFFFF;
            font-weight: 700;
            margin-bottom: 1.25rem;
            font-size: 1.05rem;
        }
        .footer-links a {
            color: var(--text-muted);
            display: block;
            margin-bottom: 0.65rem;
        }
        .footer-links a:hover {
            color: #FFFFFF;
            padding-left: 4px;
        }

        @media (max-width: 991.98px) {
            .hero-h1 { font-size: 2.3rem; }
            .guarantee-col { border-right: none; border-bottom: 1px solid var(--border-subtle); }
            .guarantee-col:last-child { border-bottom: none; }
            .navbar-collapse {
                background: #141A23;
                border-radius: 1rem;
                padding: 1.25rem;
                margin-top: 0.75rem;
                border: 1px solid var(--border-subtle);
            }
        }
        @media (max-width: 575.98px) {
            .hero-h1 { font-size: 1.9rem; }
            .section-title { font-size: 1.65rem; }
            .metric-num { font-size: 2.1rem; }
            .landing-section { padding: 3.5rem 0; }
        }