/* ============================================================
   ocs.css — AI 客服云 独有样式
   ============================================================ */
:root {
    /* 本站 hero demo 专属变量 */
    --ocs-grad: linear-gradient(135deg, #6f9bff 0%, #3267F0 55%, #1a3fbf 100%);
    --ocs-grad-text: linear-gradient(135deg, #3267F0 0%, #02befa 100%);
    --ocs-glow-1: rgba(50, 103, 240, 0.30);
    --ocs-glow-2: rgba(2, 190, 250, 0.26);
    --ocs-shadow-float: 0 20px 60px rgba(50, 103, 240, 0.20);
    --ocs-shadow-hover: 0 32px 80px rgba(50, 103, 240, 0.30);
    --ocs-border: rgba(50, 103, 240, 0.18);
}

/* ============ ocs 专属 keyframes ============ */
@keyframes ocs-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes ocs-drift { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(24px,-20px) scale(1.06); } }
@keyframes msg-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ============ Hero ============ */
        .hero {
            min-height: 80vh;
            display: flex;
            align-items: center;
            position: relative;
            padding: 90px 0 50px;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute; inset: 0; pointer-events: none; z-index: 0;
            background:
                radial-gradient(ellipse 80% 60% at 20% 20%, rgba(50,103,240,0.06) 0%, transparent 60%),
                radial-gradient(ellipse 60% 50% at 85% 80%, rgba(2,190,250,0.06) 0%, transparent 60%),
                radial-gradient(ellipse 50% 40% at 50% 50%, rgba(102,237,157,0.04) 0%, transparent 60%);
        }
        .hero .container { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; position: relative; z-index: 1; max-width: 1200px; }
        .hero-content { max-width: 560px; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 8px 18px; background: rgba(50,103,240,0.08); border-radius: 50px;
            font-size: 13px; font-weight: 700; color: var(--c-blue); margin-bottom: 28px;
        }
        .hero-badge-dot { width: 7px; height: 7px; background: var(--c-cyan); border-radius: 50%; animation: pulse-dot 2s infinite; }
        .hero-title { font-size: clamp(34px, 4.4vw, 46px); font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 16px; }
        .hero-title span { background: linear-gradient(135deg, var(--c-blue), var(--c-cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero-subtitle { font-size: clamp(18px, 2vw, 24px); color: var(--text-secondary); margin-bottom: 8px; font-weight: 600; }
        .hero-tagline { font-size: 14px; color: var(--text-tertiary); margin-bottom: 24px; font-style: italic; letter-spacing: 0.02em; }
        .hero-desc { font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 32px; }
        .hero-cta { display: flex; gap: 14px; margin-bottom: 20px; flex-wrap: wrap; }

        
/* ============ Hero 右侧视觉 —— AI 客服聊天窗 demo（纯CSS） ============ */
        .hero-visual { position: relative; height: 540px; }
        .hero-glow { position: absolute; border-radius: 50%; pointer-events: none; z-index: 0; }
        .hero-glow.g1 { top: -4%; left: -6%; width: 380px; height: 380px; background: radial-gradient(circle, var(--ocs-glow-1) 0%, transparent 70%); animation: ocs-drift 9s ease-in-out infinite; }
        .hero-glow.g2 { bottom: -6%; right: -4%; width: 440px; height: 440px; background: radial-gradient(circle, var(--ocs-glow-2) 0%, transparent 70%); animation: ocs-drift 12s ease-in-out infinite reverse; }

        /* 聊天窗主体 */
        .hero-chat {
            position: absolute; top: 16px; left: 4%; width: 368px; z-index: 3;
            background: #fff; border-radius: var(--radius-lg); overflow: hidden;
            box-shadow: 0 20px 60px rgba(50,103,240,0.16), 0 1px 3px rgba(0,0,0,0.04);
            border: 1px solid var(--ocs-border); animation: ocs-float 7s ease-in-out infinite;
        }
        .chat-bar { background: var(--ocs-grad); padding: 14px 18px; display: flex; align-items: center; gap: 12px; }
        .chat-dots { display: flex; gap: 6px; }
        .chat-dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.35); display: block; }
        .chat-bar-title { color: rgba(255,255,255,0.95); font-size: 13px; font-weight: 600; flex: 1; text-align: center; }
        .chat-bar-avatar { width: 28px; height: 28px; border-radius: 50%; background: rgba(255,255,255,0.22); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
        .chat-body { padding: 18px; display: flex; flex-direction: column; gap: 11px; }
        .msg { padding: 11px 15px; font-size: 13px; line-height: 1.6; max-width: 86%; animation: msg-in .5s var(--transition) both; }
        .msg-bot { background: var(--bg-soft); color: var(--text-primary); border-radius: 15px 15px 15px 4px; align-self: flex-start; }
        .msg-user { background: var(--ocs-grad); color: #fff; border-radius: 15px 15px 4px 15px; align-self: flex-end; }
        .msg:nth-child(2) { animation-delay: .25s; }
        .msg:nth-child(3) { animation-delay: .5s; }
        .msg:nth-child(4) { animation-delay: .75s; }
        .msg-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 9px; }
        .msg-tags span { background: #fff; color: var(--c-blue); font-size: 11.5px; font-weight: 600; padding: 4px 11px; border-radius: 8px; border: 1px solid rgba(50,103,240,0.16); }
        /* 线索识别标记 */
        .msg-lead { display: inline-flex; align-items: center; gap: 5px; margin-top: 9px; background: rgba(102,237,157,0.16); border: 1px solid rgba(58,200,112,0.28); color: var(--c-green-dark); font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 8px; }
        .chat-input { display: flex; align-items: center; gap: 10px; padding: 13px 18px; border-top: 1px solid var(--border-card); }
        .chat-input-field { flex: 1; height: 36px; padding: 0 14px; background: var(--bg-soft); border-radius: 10px; font-size: 12.5px; color: var(--text-tertiary); display: flex; align-items: center; }
        .chat-input-send { width: 36px; height: 36px; border-radius: 10px; background: var(--ocs-grad); display: flex; align-items: center; justify-content: center; flex-shrink: 0; box-shadow: 0 2px 8px rgba(50,103,240,0.30); }

        /* 浮动玻璃卡（参考迈富时：半透明白+背景模糊） */
        .visual-card {
            position: absolute; background: rgba(255,255,255,0.85);
            backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255,255,255,0.7); border-radius: var(--radius-md);
            box-shadow: var(--ocs-shadow-float);
            padding: 16px 20px; transition: var(--transition); z-index: 4;
        }
        .visual-card:hover { box-shadow: var(--ocs-shadow-hover); }
        .hf-icon { width: 34px; height: 34px; border-radius: 10px; background: var(--ocs-grad); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-bottom: 8px; }
        .hf-icon.green { background: linear-gradient(135deg, #66ed9d, #3ac870); }
        .hf-icon.cyan { background: linear-gradient(135deg, #4ddbff, #02befa); }
        .fc-num { font-size: 26px; font-weight: 800; line-height: 1; letter-spacing: -0.02em; background: var(--ocs-grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .fc-label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; font-weight: 500; }
        .hf-bar { width: 100%; height: 4px; background: rgba(50,103,240,0.10); border-radius: 3px; margin-top: 9px; overflow: hidden; }
        .hf-bar i { display: block; height: 100%; border-radius: 3px; background: var(--ocs-grad); }
        .card-resp { right: 0%; top: 4%; animation: ocs-float 6s ease-in-out infinite; }
        .card-lead { right: -2%; bottom: 22%; animation: ocs-float 6s ease-in-out infinite; animation-delay: 2s; }
        .card-csat { left: -4%; bottom: 2%; animation: ocs-float 6s ease-in-out infinite; animation-delay: 4s; }

        /* 几何装饰 */
        .geo-shape { position: absolute; border-radius: 14px; pointer-events: none; z-index: 0; }
        .geo-shape.s1 { top: 0%; right: 20%; width: 50px; height: 50px; background: linear-gradient(135deg, rgba(50,103,240,0.20), transparent); animation: ocs-float 8s ease-in-out infinite; }
        .geo-shape.s2 { bottom: 2%; left: 2%; width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, rgba(2,190,250,0.28), transparent); animation: ocs-float 6.5s ease-in-out infinite; animation-delay: .5s; }
        .hero-trust { font-size: 13px; color: var(--text-tertiary); }
        .hero-trust strong { color: var(--text-primary); }

        
/* ============ Trust Bar ============ */
        .trust-bar { background: var(--bg-soft); padding: 32px 0; text-align: center; }
        .trust-bar-label { font-size: 13px; font-weight: 700; color: var(--text-tertiary); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 20px; }
        .trust-logos { display: flex; justify-content: center; align-items: center; gap: 40px; flex-wrap: wrap; }
        .trust-logo { font-size: 18px; font-weight: 700; color: #cbd5e1; letter-spacing: 0.02em; }
        .trust-award { display: inline-flex; align-items: center; gap: 8px; padding: 8px 18px; background: #fff; border-radius: 50px; box-shadow: var(--shadow-sm); font-size: 13px; font-weight: 700; color: var(--c-blue); }

        
/* ============ Comparison Table ============ */
        .cmp-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
        .cmp-table { width: 100%; border-collapse: collapse; background: #fff; }
        .cmp-table th { padding: 20px 20px; font-weight: 700; font-size: 15px; text-align: center; border-bottom: 2px solid var(--border-light); }
        .cmp-table th:first-child { text-align: left; color: var(--text-secondary); width: 22%; padding-left: 28px; }
        .cmp-table th.hl {
            background: var(--c-blue);
            color: #fff; border-radius: 12px 12px 0 0; position: relative;
        }
        .cmp-table th.hl .rec-tag {
            display: inline-block; vertical-align: middle; margin-left: 4px;
            background: var(--c-coral); color: #fff; padding: 2px 8px; border-radius: 20px;
            font-size: 10px; font-weight: 700; white-space: nowrap; line-height: 1.3; position: static;
        }
        .cmp-table td { padding: 16px 20px; text-align: center; border-bottom: 1px solid var(--border-card); font-size: 14px; color: var(--text-secondary); }
        .cmp-table td:first-child { font-weight: 600; color: var(--text-primary); text-align: left; padding-left: 28px; }
        .cmp-table tr:hover td { background: #f8fafc; }
        .cmp-table .chk { color: var(--c-blue); font-weight: 700; }
        .cmp-table .cross { color: #cbd5e1; }

        
/* ============ Three Modes ============ */
        .modes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .mode-card {
            background: #fff; border-radius: var(--radius-lg); padding: 36px 28px;
            box-shadow: var(--shadow-md); border: 1px solid var(--border-card);
            transition: var(--transition); display: flex; flex-direction: column;
        }
        .mode-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .mode-icon { width: 56px; height: 56px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 20px; }
        .mode-icon.pilot { background: rgba(50,103,240,0.1); color: var(--c-blue); }
        .mode-icon.copilot { background: rgba(2,190,250,0.1); color: var(--c-cyan); }
        .mode-icon.knowledge { background: rgba(102,237,157,0.1); color: #0c6b3a; }
        .mode-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
        .mode-card .mode-tag { font-size: 12px; font-weight: 700; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
        .mode-card p.desc { color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; min-height: 0; }
        .mode-card .mode-cmd {
            background: #f1f5f9; border-radius: var(--radius-sm); padding: 14px 16px;
            font-size: 13px; line-height: 1.6; color: var(--text-secondary);
            border-left: 3px solid var(--c-blue); font-style: italic; margin-bottom: 16px;
        }
        .mode-card .mode-cmd::before { content: '💬 '; font-style: normal; }
        .mode-card .mode-roles { font-size: 12px; color: var(--text-tertiary); }
        .mode-card .mode-roles span { display: inline-block; padding: 3px 10px; background: #f1f5f9; border-radius: 20px; margin: 2px 4px 2px 0; }

        
/* ============ Scenario Cards ============ */
        .scenarios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .scenario-card {
            background: #fff; border-radius: var(--radius-lg); padding: 28px;
            box-shadow: var(--shadow-md); border: 1px solid var(--border-card);
            transition: var(--transition);
        }
        .scenario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .scenario-num { font-size: 48px; font-weight: 800; color: #f1f5f9; line-height: 1; margin-bottom: -16px; }
        .scenario-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; position: relative; }
        .scenario-pain { font-size: 14px; color: var(--c-coral); font-weight: 600; margin-bottom: 12px; }
        .scenario-solution { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
        .scenario-solution::before { content: '→ '; color: var(--c-green); font-weight: 700; }

        
/* ============ Testimonials ============ */
        .testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .testimonial-card {
            background: #fff; border-radius: var(--radius-lg); padding: 28px;
            box-shadow: var(--shadow-md); border: 1px solid var(--border-card);
            transition: var(--transition);
        }
        .testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .testimonial-quote { font-size: 15px; line-height: 1.8; color: var(--text-primary); margin-bottom: 20px; position: relative; }
        .testimonial-quote::before { content: '"'; font-size: 48px; line-height: 1; color: var(--c-cyan); position: absolute; top: -12px; left: -4px; opacity: 0.5; }
        .testimonial-meta { display: flex; align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid var(--border-card); }
        .testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 18px; flex-shrink: 0; }
        .testimonial-avatar.a1 { background: var(--c-blue); }
        .testimonial-avatar.a2 { background: var(--c-cyan); }
        .testimonial-avatar.a3 { background: var(--c-green); }
        .testimonial-info h5 { font-size: 15px; font-weight: 700; margin-bottom: 2px; }
        .testimonial-info p { font-size: 13px; color: var(--text-tertiary); }
        .testimonial-result {
            display: inline-block; margin-top: 14px; padding: 6px 14px;
            border-radius: 20px; font-size: 13px; font-weight: 700;
        }
        .testimonial-result.r1 { background: rgba(50,103,240,0.1); color: var(--c-blue); }
        .testimonial-result.r2 { background: rgba(2,190,250,0.1); color: #0369a1; }
        .testimonial-result.r3 { background: rgba(102,237,157,0.15); color: #0c6b3a; }

        
/* ============ Feature Grid ============ */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .feature-card {
            background: #fff; border-radius: var(--radius-lg); padding: 28px;
            box-shadow: var(--shadow-md); border: 1px solid var(--border-card);
            transition: var(--transition); border-top: 3px solid var(--c-blue);
        }
        .feature-card.f2 { border-top-color: var(--c-cyan); }
        .feature-card.f3 { border-top-color: var(--c-green); }
        .feature-card.f4 { border-top-color: var(--c-coral); }
        .feature-card.f5 { border-top-color: var(--c-blue); }
        .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .feature-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
        .feature-card .feature-strip { font-size: 13px; color: var(--text-tertiary); margin-bottom: 12px; line-height: 1.6; }
        .feature-card .feature-insight { font-size: 13px; font-weight: 600; color: var(--c-blue); }
        .feature-card.f2 .feature-insight { color: var(--c-cyan); }
        .feature-card.f3 .feature-insight { color: #0c6b3a; }
        .feature-card.f4 .feature-insight { color: var(--c-coral); }
        .feature-card.f5 .feature-insight { color: var(--c-blue); }

        
/* ============ Stats ============ */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
        .stat-card { text-align: center; padding: 32px 20px; }
        .stat-number { font-size: clamp(44px, 5.5vw, 64px); font-weight: 800; line-height: 1; letter-spacing: -0.03em; }
        .stat-number.s1 { color: var(--c-blue); }
        .stat-number.s2 { color: var(--c-cyan); }
        .stat-number.s3 { color: var(--c-green); }
        .stat-number.s4 { color: var(--c-coral); }
        .stat-label { font-size: 16px; font-weight: 600; color: var(--text-secondary); margin-top: 8px; }

        
/* ============ Pricing ============ */
        .pricing-tabs {
            display: flex; justify-content: center; gap: 0; margin: 28px auto 0;
            background: #f1f5f9; border-radius: 14px; padding: 5px; width: fit-content;
        }
        .pricing-tab {
            padding: 11px 36px; border-radius: 11px; cursor: pointer;
            font-size: 14px; font-weight: 700; color: var(--text-tertiary);
            transition: var(--transition); border: none; background: transparent; font-family: inherit;
        }
        .pricing-tab.active { background: #fff; color: var(--c-blue); box-shadow: var(--shadow-sm); }
        .pricing-tab-wrap { position: relative; }
        .pricing-tab-badge {
            position: absolute; top: -10px; right: -8px;
            background: var(--c-coral); color: #fff; font-size: 10px; font-weight: 700;
            padding: 2px 7px; border-radius: 6px; white-space: nowrap;
        }
        .pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 40px; }
        .price-card {
            background: #fff; border-radius: var(--radius-lg); padding: 28px 20px;
            box-shadow: var(--shadow-md); border: 2px solid transparent;
            transition: var(--transition); display: flex; flex-direction: column; position: relative;
        }
        .price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .price-card.recommended { border-color: var(--c-cyan); background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 100%); box-shadow: 0 8px 32px rgba(2,190,250,0.2); }
        .price-card.recommended .price-card-name { color: var(--c-cyan); }
        .price-card.recommended .price { color: var(--c-cyan); }
        .price-card.recommended::after {
            content: ''; position: absolute; inset: 0; border-radius: var(--radius-lg);
            border: 2px solid var(--c-cyan); pointer-events: none; z-index: 1;
        }
        .price-card.recommended::before {
            content: '🔥 热门推荐'; position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
            background: linear-gradient(135deg, var(--c-cyan), var(--c-cyan-dark));
            color: #fff; padding: 4px 16px; border-radius: 20px; font-size: 12px; font-weight: 700; white-space: nowrap; z-index: 2;
        }
        .price-card:not(.recommended) { border-color: rgba(50,103,240,0.2); }
        .price-card:not(.recommended):hover { border-color: var(--c-blue); }
        .price-card:not(.recommended) .price-card-name { color: var(--c-blue); }
        .price-card-header { text-align: center; margin-bottom: 20px; }
        .price-card-name { font-size: 20px; font-weight: 700; }
        .price-card-desc { font-size: 12px; color: var(--text-tertiary); margin-top: 2px; }
        .price-card-features { list-style: none; flex: 1; }
        .price-card-features li {
            position: relative; padding-left: 24px; margin-bottom: 10px;
            font-size: 13px; color: var(--text-secondary); line-height: 1.5;
        }
        .price-card-features li::before {
            content: '✓'; position: absolute; left: 0; top: 0;
            width: 18px; height: 18px; background: rgba(102,237,157,0.2); color: #0c6b3a;
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            font-weight: 700; font-size: 10px;
        }
        .price-card-price { text-align: center; padding: 20px 0; }
        .price-card-price .price { font-size: 40px; font-weight: 800; letter-spacing: -0.02em; }
        .price-card-price .price-unit { font-size: 14px; color: var(--text-tertiary); }
        .price-card-price .price-free { font-size: 40px; font-weight: 800; color: var(--c-green); }
        .price-card .btn { width: 100%; }

        
/* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .hero .container { max-width: 100%; padding: 0 20px; grid-template-columns: 1fr; gap: 40px; text-align: center; }
            .hero-title { font-size: 32px; white-space: normal; }
            .hero-content { max-width: 100%; }
            .hero-cta { justify-content: center; }
            /* 移动端聊天窗放文案下方 */
            .hero-visual { height: 560px; max-width: 560px; margin: 8px auto 0; width: 100%; }
            .hero-chat { left: 50%; transform: translateX(-50%); top: 0%; animation: none; }
            .card-resp { left: 0%; right: auto; top: auto; bottom: 4%; animation: none; }
            .card-lead { right: 0%; bottom: 4%; animation: none; }
            .card-csat { left: 0%; bottom: 24%; animation: none; }
            .geo-shape { animation: none; }
            .modes-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
            .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonials-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .pricing-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-menu { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px 24px; box-shadow: var(--shadow-lg); gap: 16px; border-bottom: 1px solid var(--border-light); }
            .nav-menu.active { display: flex; }
            .nav-toggle { display: flex; }
            .scenarios-grid { grid-template-columns: 1fr; }
            .pricing-grid { grid-template-columns: 1fr; max-width: 360px; margin: 40px auto 0; }
            .features-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .cmp-table th, .cmp-table td { padding: 12px 12px; font-size: 12px; }
        }
        @media (max-width: 480px) {
            .hero-title { font-size: 34px; }
            .section-title { font-size: 30px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .hero-visual { height: 560px; }
            .hero-chat { width: 330px; }
            .card-resp, .card-lead, .card-csat { padding: 12px 14px; }
            .fc-num { font-size: 21px; }
        }