:root{
            --bg:#fbfbfd;
            --bg-gray:#f5f5f7;
            --text:#1d1d1f;
            --text2:#6e6e73;
            --blue:#0071e3;
            --blue-hover:#0077ed;
            --card-radius:28px;
        }
        html{scroll-behavior:smooth}
        body{
            background:var(--bg);
            color:var(--text);
            font-family:-apple-system,BlinkMacSystemFont,"SF Pro SC","SF Pro Display","PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;
            -webkit-font-smoothing:antialiased;
            letter-spacing:-.01em;
            overflow-x:hidden;
        }
        .num{font-variant-numeric:tabular-nums}

        /* ========== 导航（毛玻璃，滚动后显示） ========== */
        #siteNav{
            background:transparent;
            border-bottom:1px solid transparent;
            transition:background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
        }
        #siteNav.nav-blur{
            background:rgba(251,251,253,.78);
            backdrop-filter:saturate(180%) blur(20px);
            -webkit-backdrop-filter:saturate(180%) blur(20px);
            border-bottom:1px solid rgba(0,0,0,.06);
        }
        .nav-link{color:rgba(29,29,31,.86);font-size:13px;transition:color .2s}
        .nav-link:hover{color:var(--text)}
        .btn-blue{
            background:var(--blue);color:#fff;border-radius:980px;
            transition:background .2s, transform .2s;
        }
        .btn-blue:hover{background:var(--blue-hover);transform:scale(1.02)}
        .btn-link{color:var(--blue);font-size:17px}
        .btn-link:hover{text-decoration:underline}

        /* ========== 首页核心能力卡片（毛玻璃） ========== */
        .cap-card{
            background:rgba(255,255,255,.55);
            border:1px solid rgba(255,255,255,.65);
            backdrop-filter:blur(14px);
            -webkit-backdrop-filter:blur(14px);
            border-radius:22px;
            padding:26px 18px 22px;
            text-align:center;
            box-shadow:0 10px 34px rgba(15,23,42,.10);
            transition:transform .25s ease, box-shadow .25s ease;
        }
        .cap-card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(15,23,42,.16)}
        .cap-art{width:110px;height:auto;margin:0 auto;display:block}
        .cap-card h3{font-size:16px;font-weight:700;margin-top:14px;color:var(--text)}
        .cap-card p{font-size:12.5px;line-height:1.65;margin-top:6px;color:var(--text2)}

        /* ========== 简洁易用模块（叠加在 Hero 底部） ========== */
        .easy-panel{
            background:rgba(255,255,255,.92);
            backdrop-filter:blur(10px);
            -webkit-backdrop-filter:blur(10px);
            border:1px solid rgba(0,0,0,.04);
            border-radius:28px;
            box-shadow:0 24px 60px rgba(15,23,42,.12);
            padding:44px 40px;
        }
        .easy-tag{display:inline-flex;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;color:#0071e3;background:linear-gradient(135deg,#e0f2fe,#e0e7ff)}
        .easy-copy h2{font-size:clamp(26px,3.2vw,36px);font-weight:700;letter-spacing:-.02em;line-height:1.2;color:var(--text)}
        .easy-shot{position:relative}
        .easy-shot::before{
            content:'';position:absolute;right:-24px;bottom:-24px;width:70%;height:60%;
            background:radial-gradient(closest-side,rgba(0,113,227,.12),transparent);z-index:0;
        }
        .easy-shot img{
            position:relative;z-index:1;display:block;margin:0 auto;width:100%;max-width:480px;height:auto;border-radius:14px;
            border:1px solid rgba(0,0,0,.06);
            box-shadow:0 20px 50px rgba(15,23,42,.18);
        }
        @media (max-width:767px){
            .easy-panel{padding:30px 22px}
        }

        /* ========== 排版 ========== */
        .headline{
            font-size:clamp(40px,6vw,80px);
            font-weight:700;letter-spacing:-.025em;line-height:1.05;
            color:var(--text);
        }
        .headline-sub{
            font-size:clamp(22px,2.8vw,36px);
            font-weight:700;letter-spacing:-.02em;
            background:linear-gradient(94deg,#0090f7 0%,#7d4cf0 45%,#e8386d 80%,#f5a623 110%);
            -webkit-background-clip:text;background-clip:text;color:transparent;
        }
        .eyebrow{font-size:17px;font-weight:600;color:var(--blue)}
        .sec-title{font-size:clamp(32px,4.5vw,56px);font-weight:700;letter-spacing:-.022em;line-height:1.08;color:var(--text)}
        .sec-desc{font-size:19px;color:var(--text2);line-height:1.5;max-width:640px;margin-inline:auto}

        /* ========== 卡片 ========== */
        .card{
            background:var(--bg-gray);
            border-radius:var(--card-radius);
            transition:transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s;
        }
        .card:hover{
            transform:translateY(-6px) scale(1.01);
            box-shadow:0 24px 60px rgba(0,0,0,.10);
        }
        .card-white{
            background:#fff;
            border-radius:var(--card-radius);
            box-shadow:0 4px 24px rgba(0,0,0,.05);
            transition:transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s;
        }
        .card-white:hover{
            transform:translateY(-6px) scale(1.01);
            box-shadow:0 24px 60px rgba(0,0,0,.12);
        }
        .chip{
            background:var(--bg-gray);border-radius:980px;
            font-size:15px;font-weight:600;color:var(--text);
            transition:transform .25s, background .25s;
        }
        .chip:hover{transform:scale(1.05);background:#ebebef}

        /* ========== 行业卡片 ========== */
        .ind-icon{
            display:inline-flex;align-items:center;justify-content:center;
            width:30px;height:30px;border-radius:9px;flex:none;
        }
        .ind-icon svg{width:17px;height:17px}
        .industry-card{transition:transform .25s, box-shadow .25s}
        .industry-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.08)}

        /* ========== Hero 产品视觉 ========== */
        .hero-visual{
            border-radius:32px;
            background:#fff;
            box-shadow:0 60px 120px rgba(0,0,0,.14), 0 8px 30px rgba(0,0,0,.06);
            border:1px solid rgba(0,0,0,.04);
            overflow:hidden;
        }
        .mini-kpi{background:var(--bg-gray);border-radius:16px;padding:16px 18px}
        .float-card{
            position:absolute;border-radius:20px;background:rgba(255,255,255,.9);
            backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
            box-shadow:0 18px 50px rgba(0,0,0,.14), 0 0 0 1px rgba(0,0,0,.03);
            animation:floaty 6s ease-in-out infinite;
        }
        .float-card.fc2{animation-delay:2s}
        @keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
        .bar{
            width:100%;border-radius:8px 8px 4px 4px;
            background:linear-gradient(180deg,#0a84ff,#0071e3);
            transform-origin:bottom;transform:scaleY(0);
            animation:bar-grow 1.1s cubic-bezier(.2,.8,.3,1) forwards;
        }
        .bar.alt{background:linear-gradient(180deg,#ffd60a,#ff9f0a)}
        @keyframes bar-grow{to{transform:scaleY(1)}}
        .spark{stroke-dasharray:600;stroke-dashoffset:600;animation:line-draw 2.2s .5s ease-out forwards}
        @keyframes line-draw{to{stroke-dashoffset:0}}

        /* ========== 渐变面板（洞察区） ========== */
        .gradient-panel{
            border-radius:36px;
            background:
                radial-gradient(800px 400px at 15% 0%, rgba(10,132,255,.14), transparent 60%),
                radial-gradient(700px 400px at 90% 100%, rgba(245,166,35,.14), transparent 60%),
                linear-gradient(135deg,#f5f7ff,#fdf3ea);
            border:1px solid rgba(0,0,0,.04);
        }
        .step-dot{
            width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
            background:#fff;box-shadow:0 4px 16px rgba(0,0,0,.07);color:var(--blue);
        }

        /* ========== 滚动显现 ========== */
        .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.3,1)}
        .reveal.in{opacity:1;transform:none}

        /* Bento 小卡 */
        .bento-icon{
            width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;
            background:linear-gradient(135deg,rgba(0,113,227,.1),rgba(0,113,227,.05));
            color:var(--blue);
        }

        @media (prefers-reduced-motion: reduce){
            *,*::before,*::after{animation:none !important;transition:none !important}
            .reveal{opacity:1;transform:none}
            .hero-in{opacity:1;transform:none}
            .spark{stroke-dashoffset:0}
            .bar{transform:scaleY(1)}
        }

        /* ==================== Hero：科技氛围背景 ==================== */
        .hero-aurora{position:absolute;inset:0;pointer-events:none;z-index:0}
        .orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55}
        .orb-1{width:480px;height:480px;top:-140px;left:8%;background:radial-gradient(circle,rgba(10,132,255,.28),transparent 70%);animation:orb-float 9s ease-in-out infinite}
        .orb-2{width:420px;height:420px;top:-80px;right:6%;background:radial-gradient(circle,rgba(125,76,240,.24),transparent 70%);animation:orb-float 11s 1.5s ease-in-out infinite}
        .orb-3{width:340px;height:340px;top:280px;left:44%;background:radial-gradient(circle,rgba(255,159,10,.14),transparent 70%);animation:orb-float 13s 3s ease-in-out infinite}
        @keyframes orb-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-26px)}}
        .hero-grid{position:absolute;inset:0;
            background-image:linear-gradient(rgba(29,29,31,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(29,29,31,.045) 1px,transparent 1px);
            background-size:48px 48px;
            -webkit-mask-image:radial-gradient(ellipse 75% 65% at 50% 0%,#000 25%,transparent 70%);
            mask-image:radial-gradient(ellipse 75% 65% at 50% 0%,#000 25%,transparent 70%);
        }

        /* ==================== Hero：原版文案 / 按钮 / 双窗口 Mockup ==================== */
        .hero-tag{
            display:inline-flex;align-items:center;
            background:rgba(255,255,255,.85);
            backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
            border:1px solid #d6e6ff;border-radius:999px;
            padding:6px 18px;font-size:14px;font-weight:600;color:#165DFF;
            box-shadow:0 4px 14px rgba(22,93,255,.08);
        }
        .gradient-text{
            background:linear-gradient(90deg,#165DFF 0%,#7B61FF 100%);
            -webkit-background-clip:text;background-clip:text;
            -webkit-text-fill-color:transparent;color:transparent;
        }
        .btn-primary{
            display:inline-flex;align-items:center;justify-content:center;
            background:#0071e3;color:#fff;
            font-size:17px;font-weight:500;padding:14px 30px;border-radius:980px;
            transition:background .25s ease,transform .25s ease;
        }
        .btn-primary:hover{background:#0077ed}
        .btn-primary:active{background:#006edb;transform:scale(.98)}
        .btn-secondary{
            display:inline-flex;align-items:center;gap:3px;
            color:#0066cc;font-size:17px;font-weight:400;
            padding:14px 6px;
            transition:opacity .2s ease;
        }
        .btn-secondary:hover{opacity:.75;text-decoration:underline}
        .btn-secondary .chevron{width:14px;height:14px;margin-top:1px}
        .hero-mockup{max-width:960px;margin-left:auto;margin-right:auto}
        .mockup-window{border-radius:16px;overflow:hidden}
        .mockup-window svg{display:block;width:100%;height:auto}
        .mockup-window-light{box-shadow:0 24px 64px rgba(12,30,94,.16),0 4px 16px rgba(12,30,94,.08)}
        .mockup-window-dark{box-shadow:0 24px 64px rgba(10,22,40,.35),0 4px 16px rgba(10,22,40,.2)}
        @keyframes mockup-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
        @keyframes mockup-float-reverse{0%,100%{transform:translateY(0)}50%{transform:translateY(10px)}}
        .mockup-window-dark{animation:mockup-float 7s ease-in-out infinite}
        .mockup-window-light{animation:mockup-float-reverse 7s ease-in-out infinite}

        /* ==================== Hero：首屏文字入场动效 ==================== */
        @keyframes hero-rise{
            from{opacity:0;transform:translateY(32px)}
            to{opacity:1;transform:translateY(0)}
        }
        @keyframes hero-fade{
            from{opacity:0}
            to{opacity:1}
        }
        @keyframes hero-pop{
            from{opacity:0;transform:translateY(14px) scale(.9)}
            to{opacity:1;transform:translateY(0) scale(1)}
        }
        .hero-in{animation:hero-rise .9s cubic-bezier(.2,.7,.3,1) both}
        .hero-in.pop{animation-name:hero-pop;animation-duration:.7s}
        .hero-in.fade{animation-name:hero-fade}
        .hero-in.d1{animation-delay:.05s}
        .hero-in.d2{animation-delay:.15s}
        .hero-in.d3{animation-delay:.25s}
        .hero-in.d4{animation-delay:.35s}
        .hero-in.d5{animation-delay:.5s}
        .hero-in.d6{animation-delay:.65s}
        .hero-in.d7{animation-delay:.78s}

        /* ==================== Nexora Hero 区样式 ==================== */
        :root {
            --background: 0 0% 100%;
            --foreground: 210 14% 17%;
            --primary: 210 14% 17%;
            --primary-foreground: 0 0% 100%;
            --secondary: 0 0% 96%;
            --secondary-foreground: 0 0% 9%;
            --muted: 0 0% 96%;
            --muted-foreground: 184 5% 55%;
            --accent: 239 84% 67%;
            --accent-foreground: 0 0% 100%;
            --border: 0 0% 90%;
            --ring: 239 84% 67%;
            --radius: 0.5rem;
            --shadow-dashboard: 0 25px 80px -12px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.06);
        }

        /* Framer Motion 等效 CSS 入场动画 */
        @keyframes fade-up {
            from { opacity: 0; transform: translateY(var(--fy, 16px)); }
            to   { opacity: 1; transform: translateY(0); }
        }
        .anim {
            animation: fade-up var(--fd, 0.6s) cubic-bezier(0.21, 0.6, 0.35, 1) both;
            animation-delay: var(--fdel, 0s);
        }
        @media (prefers-reduced-motion: reduce) {
            .anim { animation: none; opacity: 1; transform: none; }
        }