/* roulang page: index */
:root {
            --primary: #1E40AF;
            --primary-hover: #1D4ED8;
            --accent: #0284C7;
            --success: #0D9488;
            --dark-surface: #0F172A;
            --dark-surface-card: #1E293B;
            --bg-main: #FFFFFF;
            --bg-alt: #F8FAFC;
            --text-heading: #0F172A;
            --text-body: #475569;
            --text-muted: #94A3B8;
            --border-color: #E2E8F0;
            --card-radius: 14px;
            --btn-radius: 8px;
            --shadow-subtle: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
            --shadow-hover: 0 12px 28px -4px rgba(30, 64, 175, 0.12);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-tap-highlight-color: transparent;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-main);
            color: var(--text-body);
        }

        body {
            line-height: 1.7;
            font-size: 15px;
            overflow-x: hidden;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部双行导航 */
        .header-wrap {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .top-bar {
            background: #F1F5F9;
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            font-size: 13px;
            color: var(--text-muted);
            padding: 6px 0;
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .nav-bar {
            padding: 14px 0;
        }

        .nav-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
        }

        .brand-logo-badge {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 8px;
            display: grid;
            place-items: center;
            color: #fff;
            font-weight: 800;
            font-size: 17px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 28px;
        }

        .nav-links a {
            font-weight: 500;
            color: #334155;
            position: relative;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.25s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-cta-btn {
            background: var(--primary);
            color: #fff !important;
            padding: 9px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 4px 12px rgba(30, 64, 175, 0.2);
        }

        .nav-cta-btn:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
        }

        /* 通用板块与排版 */
        .section {
            padding: 86px 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-alt);
        }

        .section-dark {
            background-color: var(--dark-surface);
            color: #E2E8F0;
        }

        .section-header {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 52px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: #EFF6FF;
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 12px;
            border: 1px solid #DBEAFE;
            text-transform: uppercase;
        }

        .section-tag-dark {
            background: rgba(2, 132, 199, 0.2);
            color: #38BDF8;
            border-color: rgba(56, 189, 248, 0.3);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
        }

        .section-dark .section-desc {
            color: #94A3B8;
        }

        /* 按钮与徽章 */
        .btn-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            border-radius: var(--btn-radius);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(30, 64, 175, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(30, 64, 175, 0.35);
        }

        .btn-secondary {
            background: #FFFFFF;
            color: var(--primary);
            border-color: #BFDBFE;
        }

        .btn-secondary:hover {
            background: #EFF6FF;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* 1. Hero 创作者/主页头图架构 */
        .hero-banner-section {
            position: relative;
            background: url('/assets/images/f779dc66aae2bf21.webp') center center / cover no-repeat;
            padding: 100px 0 80px;
            color: #FFFFFF;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 64, 175, 0.85) 100%);
            z-index: 1;
        }

        .hero-banner-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 48px;
            align-items: center;
        }

        .creator-profile {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 24px;
        }

        .creator-avatar {
            width: 82px;
            height: 82px;
            border-radius: 50%;
            border: 3px solid rgba(255, 255, 255, 0.8);
            box-shadow: 0 4px 16px rgba(0,0,0,0.3);
            object-fit: cover;
            background: #FFFFFF;
        }

        .creator-meta h2 {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .verified-badge {
            background: #38BDF8;
            color: #0F172A;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 12px;
            font-weight: 700;
        }

        .creator-meta p {
            color: #CBD5E1;
            font-size: 14px;
            margin-top: 4px;
        }

        .hero-h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-intro {
            font-size: 16px;
            line-height: 1.8;
            color: #E2E8F0;
            margin-bottom: 32px;
            max-width: 660px;
        }

        .hero-badges-row {
            display: flex;
            gap: 16px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .hero-badge-item {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-bento-panel {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 18px;
            padding: 28px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
        }

        .bento-header {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            padding-bottom: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .bento-stat-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .bento-stat-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(15, 23, 42, 0.4);
            padding: 10px 14px;
            border-radius: 8px;
            font-size: 14px;
        }

        .bento-stat-num {
            font-size: 18px;
            font-weight: 700;
            color: #38BDF8;
        }

        /* 2. 安全主张区 */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .sec-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            padding: 32px 24px;
            box-shadow: var(--shadow-subtle);
            transition: all 0.3s ease;
        }

        .sec-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #BFDBFE;
        }

        .sec-icon {
            width: 48px;
            height: 48px;
            background: #EFF6FF;
            color: var(--primary);
            border-radius: 10px;
            display: grid;
            place-items: center;
            font-size: 20px;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .sec-card h3 {
            font-size: 19px;
            color: var(--text-heading);
            margin-bottom: 12px;
        }

        .sec-card p {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.7;
        }

        /* 3. 核心功能检查项 */
        .checklist-layout {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 56px;
            align-items: center;
        }

        .check-img-wrap {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
            border: 1px solid var(--border-color);
        }

        .check-items-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .check-item-box {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 20px;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            transition: border-color 0.2s ease;
        }

        .check-item-box:hover {
            border-color: var(--primary);
        }

        .check-tick {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: #DCFCE7;
            color: #16A34A;
            display: grid;
            place-items: center;
            font-size: 13px;
            font-weight: bold;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .check-content h4 {
            font-size: 16px;
            color: var(--text-heading);
            margin-bottom: 4px;
        }

        .check-content p {
            font-size: 13px;
            color: var(--text-body);
            line-height: 1.6;
        }

        /* 4. 合规徽章区 */
        .compliance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .badge-box {
            text-align: center;
            background: #FFFFFF;
            padding: 30px 20px;
            border-radius: var(--card-radius);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-subtle);
        }

        .badge-mark {
            width: 54px;
            height: 54px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: #F8FAFC;
            border: 2px dashed var(--accent);
            display: grid;
            place-items: center;
            color: var(--accent);
            font-weight: 700;
            font-size: 16px;
        }

        .badge-box h4 {
            font-size: 17px;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .badge-box p {
            font-size: 13px;
            color: var(--text-body);
            line-height: 1.6;
        }

        /* 5. 运营边界说明与架构 */
        .boundary-table {
            background: #FFFFFF;
            border-radius: 14px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
        }

        .boundary-row {
            display: grid;
            grid-template-columns: 200px 1fr 1fr;
            border-bottom: 1px solid var(--border-color);
        }

        .boundary-row:last-child {
            border-bottom: none;
        }

        .boundary-row.head {
            background: #F1F5F9;
            font-weight: 700;
            color: var(--text-heading);
        }

        .b-cell {
            padding: 18px 24px;
            font-size: 14px;
            line-height: 1.6;
            border-right: 1px solid var(--border-color);
        }

        .b-cell:last-child {
            border-right: none;
        }

        /* 6. 软硬件物联赛控深度区块 (反色) */
        .iot-diagram-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .iot-features-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .iot-feature-card {
            background: var(--dark-surface-card);
            padding: 22px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .iot-feature-card h4 {
            color: #38BDF8;
            font-size: 17px;
            margin-bottom: 6px;
        }

        .iot-feature-card p {
            color: #94A3B8;
            font-size: 14px;
            line-height: 1.7;
        }

        /* 7. 行业场景化演示区 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .scenario-card {
            background: #FFFFFF;
            border-radius: var(--card-radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-subtle);
            transition: all 0.3s ease;
        }

        .scenario-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .scenario-thumb {
            height: 180px;
            width: 100%;
            object-fit: cover;
        }

        .scenario-body {
            padding: 24px;
        }

        .scenario-body h3 {
            font-size: 18px;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .scenario-body p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .scenario-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .sc-pill {
            background: #F1F5F9;
            color: var(--text-body);
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 4px;
        }

        /* 8. 标杆对比选型表 */
        .pricing-table-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }

        .pricing-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 36px 28px;
            position: relative;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-subtle);
        }

        .pricing-card.featured {
            border: 2px solid var(--primary);
            box-shadow: 0 16px 36px -4px rgba(30, 64, 175, 0.16);
            transform: scale(1.02);
            z-index: 2;
        }

        .featured-ribbon {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .pricing-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .pricing-desc {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 24px;
            min-height: 44px;
        }

        .pricing-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 24px;
            display: flex;
            align-items: baseline;
            gap: 4px;
        }

        .pricing-price small {
            font-size: 14px;
            font-weight: normal;
            color: var(--text-muted);
        }

        .pricing-features {
            list-style: none;
            margin-bottom: 32px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 14px;
        }

        .pricing-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-body);
        }

        .pricing-features li::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
        }

        /* 9. 资讯与行业实战 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-item-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            padding: 24px;
            box-shadow: var(--shadow-subtle);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-meta-date {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .news-item-card h3 {
            font-size: 17px;
            color: var(--text-heading);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .news-item-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 10. 信任背书与客户口碑 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .review-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            padding: 28px;
            box-shadow: var(--shadow-subtle);
        }

        .review-stars {
            color: #F59E0B;
            font-size: 16px;
            margin-bottom: 14px;
        }

        .review-quote {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 20px;
            font-style: italic;
        }

        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid #F1F5F9;
            padding-top: 16px;
        }

        .reviewer-avatar-char {
            width: 42px;
            height: 42px;
            background: #E0E7FF;
            color: var(--primary);
            border-radius: 50%;
            display: grid;
            place-items: center;
            font-weight: 700;
        }

        .reviewer-meta h4 {
            font-size: 15px;
            color: var(--text-heading);
        }

        .reviewer-meta p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 11. FAQ 异议拆解 */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-accordion-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .faq-accordion-item:hover {
            border-color: #CBD5E1;
        }

        .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-toggle-icon {
            font-size: 18px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out, padding 0.35s ease;
            background: #F8FAFC;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.75;
            padding: 0 24px;
        }

        .faq-accordion-item.active .faq-answer {
            max-height: 200px;
            padding: 16px 24px 20px;
            border-top: 1px solid var(--border-color);
        }

        .faq-accordion-item.active .faq-toggle-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        /* 12. 终极行动转化与保障条 */
        .final-cta-box {
            background: linear-gradient(135deg, #1E40AF 0%, #1E3A8A 100%);
            border-radius: 20px;
            padding: 56px 40px;
            color: #FFFFFF;
            text-align: center;
            box-shadow: 0 20px 40px rgba(30, 64, 175, 0.25);
        }

        .final-cta-box h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .final-cta-box p {
            font-size: 16px;
            color: #BFDBFE;
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .guarantee-bar {
            display: flex;
            justify-content: center;
            gap: 36px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            flex-wrap: wrap;
        }

        .guarantee-item {
            font-size: 13px;
            color: #E2E8F0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 页脚 */
        .site-footer {
            background: #0B1120;
            color: #94A3B8;
            padding: 64px 0 32px;
            font-size: 14px;
            border-top: 1px solid #1E293B;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col h5 {
            color: #FFFFFF;
            font-size: 15px;
            margin-bottom: 18px;
            font-weight: 600;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            padding-top: 28px;
            border-top: 1px solid #1E293B;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
        }

        /* 移动端固定转换条 */
        .mobile-sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #FFFFFF;
            padding: 10px 16px;
            box-shadow: 0 -4px 16px rgba(0,0,0,0.1);
            display: none;
            z-index: 999;
            gap: 12px;
            border-top: 1px solid var(--border-color);
        }

        .mobile-sticky-cta .btn {
            flex: 1;
            padding: 12px;
            font-size: 14px;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-banner-content {
                grid-template-columns: 1fr;
            }
            .checklist-layout {
                grid-template-columns: 1fr;
            }
            .iot-diagram-grid {
                grid-template-columns: 1fr;
            }
            .pricing-table-grid {
                grid-template-columns: 1fr;
            }
            .pricing-card.featured {
                transform: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .security-grid, .compliance-grid, .scenarios-grid, .news-grid, .reviews-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .section {
                padding: 56px 0;
            }
            .hero-banner-section {
                padding: 60px 0 50px;
            }
            .hero-h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .security-grid, .compliance-grid, .scenarios-grid, .news-grid, .reviews-grid {
                grid-template-columns: 1fr;
            }
            .boundary-row {
                grid-template-columns: 1fr;
            }
            .boundary-row.head {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .mobile-sticky-cta {
                display: flex;
            }
            body {
                padding-bottom: 64px;
            }
            .btn-group {
                width: 100%;
            }
            .btn-group .btn {
                width: 100%;
            }
        }