:root{
  --brand:#2563eb;
  --brand-600:#1d4ed8;
  --brand-700:#1e40af;
  --brand-50:#eff4ff;
  --brand-100:#dbe7fe;
  --wechat:#07c160;
  --ink:#0f172a;
  --ink-2:#1e293b;
  --body:#475569;
  --muted:#94a3b8;
  --line:#e6eaf2;
  --bg-soft:#f6f8fc;
  --bg-softer:#fbfcfe;
  --white:#fff;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.04);
  --shadow:0 10px 30px -12px rgba(30,64,175,.18),0 4px 12px rgba(15,23,42,.05);
  --shadow-lg:0 30px 60px -20px rgba(30,64,175,.25),0 10px 24px rgba(15,23,42,.07);
  --r:8px;
  --r-lg:16px;
  --maxw:1180px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--body);background:var(--white);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0;font-weight:700}
p{margin:0}
a{color:var(--brand-600);text-decoration:none}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r);font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,color .2s ease;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px -6px rgba(37,99,235,.6)}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:0 10px 22px -6px rgba(37,99,235,.65)}
.btn-ghost{background:#fff;color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-100);background:var(--brand-50);color:var(--brand-700)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-1px)}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:19px}
.brand .logo{width:30px;height:30px;flex:none}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:var(--body);font-weight:500;font-size:15px;padding:8px 12px;border-radius:var(--r);transition:color .15s,background .15s}
.nav-links a:hover{color:var(--ink);background:var(--bg-soft)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:var(--r);cursor:pointer;align-items:center;justify-content:center;color:var(--ink)}
.nav-toggle svg{width:22px;height:22px}

/* hero */
.hero{overflow:hidden;background:radial-gradient(1200px 600px at 80% -10%,var(--brand-50),transparent 60%),linear-gradient(180deg,var(--bg-softer),#fff)}
.hero-inner{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding:72px 24px 56px}
.badge-pill{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);font-size:13px;font-weight:600;color:var(--ink-2)}
.badge-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--wechat)}
.hero h1{font-size:52px;line-height:1.12;letter-spacing:0;font-weight:800;margin:18px 0 18px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand),#0ea5e9);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:18px;color:var(--body);max-width:540px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;color:var(--muted);font-size:14px}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta svg{width:16px;height:16px;color:var(--wechat)}

/* product mockup base */
.mock{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);overflow:hidden}
.browser-bar{display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;background:#f3f6fb;border-bottom:1px solid var(--line)}
.browser-bar i{width:11px;height:11px;border-radius:50%;background:#e2e8f0}
.browser-bar i:nth-child(1){background:#ff5f57}
.browser-bar i:nth-child(2){background:#febc2e}
.browser-bar i:nth-child(3){background:#28c840}
.browser-bar .url{flex:1;margin-left:8px;height:22px;border-radius:6px;background:#fff;border:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;align-items:center;padding:0 10px}

/* dashboard mock */
.dash{display:grid;grid-template-columns:64px 1fr}
.dash-side{background:#0f1b39;color:#c7d2fe;padding:14px 0;display:flex;flex-direction:column;align-items:center;gap:16px}
.dash-side .logo-s{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#2563eb,#0ea5e9);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:14px}
.dash-side .nav-dot{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:#94a3b8}
.dash-side .nav-dot.on{background:rgba(37,99,235,.25);color:#fff}
.dash-body{padding:18px 20px;background:#fff}
.dash-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.dash-h .t{font-weight:700;color:var(--ink);font-size:15px}
.dash-h .sub{font-size:12px;color:var(--muted)}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.stat-card{border:1px solid var(--line);border-radius:10px;padding:12px 13px;background:#fff}
.stat-card .k{font-size:12px;color:var(--muted)}
.stat-card .v{font-size:20px;font-weight:800;color:var(--ink);margin-top:4px}
.stat-card .d{font-size:11px;margin-top:3px}
.up{color:var(--wechat)}
.down{color:#ef4444}
.chart-card{border:1px solid var(--line);border-radius:10px;padding:14px}
.chart-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.chart-head .t{font-weight:700;color:var(--ink);font-size:13px}
.chart-legend{display:flex;gap:12px;font-size:11px;color:var(--muted)}
.chart-legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px;vertical-align:middle}
.chart{display:flex;align-items:flex-end;gap:9px;height:120px;padding-top:6px}
.chart .bar{flex:1;background:linear-gradient(180deg,#60a5fa,#2563eb);border-radius:5px 5px 0 0;position:relative}
.chart .bar.alt{background:linear-gradient(180deg,#5eead4,#14b8a6)}
.chart .bar .tip{position:absolute;top:-16px;left:50%;transform:translateX(-50%);font-size:10px;color:var(--muted);font-weight:600;opacity:0;transition:opacity .2s}
.chart .bar:hover .tip{opacity:1}
.dash-foot{display:grid;grid-template-columns:1.3fr 1fr;gap:12px;margin-top:12px}
.mini-list{border:1px solid var(--line);border-radius:10px;padding:12px}
.mini-list .t{font-weight:700;color:var(--ink);font-size:13px;margin-bottom:10px}
.mini-list li{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--body);padding:6px 0;border-top:1px solid var(--bg-soft)}
.mini-list li:first-child{border-top:0}
.mini-list .av{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,#dbe7fe,#bfdbfe);flex:none}
.donut{border:1px solid var(--line);border-radius:10px;padding:12px;display:flex;align-items:center;gap:14px}
.donut .ring{width:74px;height:74px;border-radius:50%;flex:none;background:conic-gradient(#2563eb 0 62%,#e2e8f0 62% 100%);display:flex;align-items:center;justify-content:center;position:relative}
.donut .ring::after{content:"";position:absolute;width:50px;height:50px;border-radius:50%;background:#fff}
.donut .ring b{position:relative;font-size:15px;color:var(--ink)}
.donut .info .t{font-size:12px;color:var(--muted)}
.donut .info .v{font-size:13px;color:var(--ink);font-weight:600;margin-top:3px}

/* trust bar */
.trust{border-top:1px solid var(--line);background:#fff}
.trust-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 40px;padding:22px 24px}
.trust-item{display:flex;align-items:center;gap:10px;color:var(--ink-2);font-weight:600;font-size:14px}
.trust-item svg{width:20px;height:20px;color:var(--brand)}
.trust-item.wechat svg{color:var(--wechat)}
.trust-icp img{height:30px}

/* section shell */
.section{padding:88px 0}
.section.soft{background:var(--bg-soft)}
.section-head{max-width:680px;margin:0 auto 52px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.02em;margin-bottom:14px}
.section-head h2{font-size:38px;font-weight:800;letter-spacing:0}
.section-head p{margin-top:14px;font-size:17px;color:var(--body)}

/* capabilities grid */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cap-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-100)}
.cap-ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.cap-ic svg{width:24px;height:24px;color:#fff}
.cap-card h3{font-size:17px;margin-bottom:8px}
.cap-card p{font-size:14px;color:var(--body);line-height:1.6}
.cap-card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.cap-card .tags span{font-size:12px;color:var(--muted);background:var(--bg-soft);border:1px solid var(--line);padding:3px 9px;border-radius:999px}
.c-blue{background:linear-gradient(135deg,#3b82f6,#2563eb)}
.c-green{background:linear-gradient(135deg,#34d399,#059669)}
.c-violet{background:linear-gradient(135deg,#a78bfa,#7c3aed)}
.c-amber{background:linear-gradient(135deg,#fbbf24,#f59e0b)}
.c-rose{background:linear-gradient(135deg,#fb7185,#e11d48)}
.c-cyan{background:linear-gradient(135deg,#22d3ee,#0891b2)}
.c-indigo{background:linear-gradient(135deg,#818cf8,#4f46e5)}
.c-teal{background:linear-gradient(135deg,#2dd4bf,#0d9488)}

/* feature deep-dive (alternating) */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:64px 0}
.feature+.feature{padding-top:0}
.feature:nth-child(even) .feature-text{order:2}
.feature-text .eyebrow{margin-bottom:12px}
.feature-text h2{font-size:32px;font-weight:800;letter-spacing:0}
.feature-text>p{font-size:17px;color:var(--body);margin-top:14px}
.feature-list{margin-top:22px;display:grid;gap:14px}
.feature-list li{display:flex;gap:13px;align-items:flex-start}
.feature-list .ck{flex:none;width:24px;height:24px;border-radius:7px;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;margin-top:2px}
.feature-list .ck svg{width:15px;height:15px}
.feature-list .tx b{display:block;color:var(--ink);font-size:15px;font-weight:700;margin-bottom:2px}
.feature-list .tx span{font-size:14px;color:var(--body)}
.feature-cta{margin-top:26px}

/* mock: leads table */
.mock-leads .pad{padding:16px 18px}
.mock-leads .h{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.mock-leads .h .t{font-weight:700;color:var(--ink);font-size:15px}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{text-align:left;color:var(--muted);font-weight:600;font-size:12px;padding:8px 10px;border-bottom:1px solid var(--line)}
.tbl td{padding:10px;color:var(--ink-2);border-bottom:1px solid var(--bg-soft)}
.tbl td .ch{display:flex;align-items:center;gap:8px}
.tbl td .av{width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,#dbe7fe,#bfdbfe);flex:none}
.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;font-weight:600}
.tag-hot{background:#fff1f2;color:#e11d48}
.tag-warm{background:#fffbeb;color:#d97706}
.tag-cold{background:#f0f9ff;color:#0369a1}
.tag-new{background:#ecfdf5;color:#059669}
.qrcode-box{display:flex;gap:14px;align-items:center;padding:14px;border:1px dashed var(--line);border-radius:10px;background:var(--bg-softer)}
.qrcode-box .qr{width:88px;height:88px;border-radius:10px;background:#fff;background-image:linear-gradient(#0f172a 1px,transparent 1px),linear-gradient(90deg,#0f172a 1px,transparent 1px);background-size:8px 8px;border:1px solid var(--line);flex:none}
.qrcode-box .qtxt b{color:var(--ink);font-size:14px}
.qrcode-box .qtxt span{display:block;font-size:12px;color:var(--muted);margin-top:3px}

/* mock: SOP timeline */
.mock-sop .pad{padding:16px 18px}
.mock-sop .h{font-weight:700;color:var(--ink);font-size:15px;margin-bottom:14px}
.sop-step{display:flex;gap:14px;padding-bottom:18px;position:relative}
.sop-step:not(:last-child)::before{content:"";position:absolute;left:15px;top:32px;bottom:0;width:2px;background:var(--line)}
.sop-step .node{width:32px;height:32px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;background:var(--brand)}
.sop-step.done .node{background:var(--wechat)}
.sop-step.wait .node{background:#cbd5e1;color:#64748b}
.sop-step .body .t{font-weight:600;color:var(--ink);font-size:14px}
.sop-step .body .time{font-size:12px;color:var(--muted);margin:2px 0 6px}
.sop-step .body .msg{font-size:13px;color:var(--body);background:var(--bg-soft);border:1px solid var(--line);border-radius:8px;padding:8px 10px}

/* mock: kanban */
.mock-kanban .pad{padding:14px}
.kanban{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.kcol .kh{font-size:12px;font-weight:700;color:var(--muted);margin-bottom:8px;display:flex;justify-content:space-between}
.kcol .kh b{color:var(--ink)}
.kcard{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px;margin-bottom:8px;box-shadow:var(--shadow-sm)}
.kcard .kt{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.kcard .kv{font-size:15px;font-weight:800;color:var(--brand-600)}
.kcard .kf{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:11px;color:var(--muted)}
.stage-bar{height:5px;border-radius:4px;background:var(--bg-soft);overflow:hidden;margin:6px 0}
.stage-bar i{display:block;height:100%;background:linear-gradient(90deg,#60a5fa,#2563eb)}

/* mock: chat archive */
.mock-chat .pad{display:grid;grid-template-columns:150px 1fr;min-height:340px}
.chat-side{border-right:1px solid var(--line);background:var(--bg-softer);padding:10px}
.chat-side .sh{font-size:12px;color:var(--muted);padding:6px 8px;font-weight:600}
.chat-side li{display:flex;align-items:center;gap:8px;padding:8px;border-radius:8px;cursor:pointer}
.chat-side li.on{background:#fff;box-shadow:var(--shadow-sm)}
.chat-side .av{width:28px;height:28px;border-radius:8px;flex:none;background:linear-gradient(135deg,#dbe7fe,#bfdbfe)}
.chat-side .nm{font-size:12px;color:var(--ink-2);font-weight:600}
.chat-main{display:flex;flex-direction:column;padding:14px 16px}
.chat-h{display:flex;align-items:center;gap:10px;padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:12px}
.chat-h .av{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#dbe7fe,#bfdbfe)}
.chat-h .nm{font-weight:700;color:var(--ink);font-size:14px}
.chat-h .flag{margin-left:auto;font-size:11px;color:#e11d48;background:#fff1f2;padding:3px 8px;border-radius:999px;font-weight:600}
.bubble{max-width:74%;padding:9px 12px;border-radius:12px;font-size:13px;line-height:1.5;margin-bottom:10px}
.bubble.in{background:#fff;border:1px solid var(--line);color:var(--ink-2);border-radius:12px 12px 12px 4px;align-self:flex-start}
.bubble.out{background:var(--brand);color:#fff;border-radius:12px 12px 4px 12px;align-self:flex-end}
.bubble .risk{margin-top:6px;font-size:11px;color:#e11d48;display:flex;align-items:center;gap:5px}
.chat-stream{display:flex;flex-direction:column}

/* stats band */
.stats-band{background:linear-gradient(120deg,#0f1b39,#1e293b 60%,#172554);color:#fff;padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats-grid .num{font-size:42px;font-weight:800;letter-spacing:0;background:linear-gradient(120deg,#60a5fa,#5eead4);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats-grid .lab{font-size:14px;color:#94a3b8;margin-top:8px}

/* security */
.sec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sec-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px}
.sec-card .ic{width:48px;height:48px;border-radius:12px;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.sec-card .ic svg{width:24px;height:24px}
.sec-card h3{font-size:18px;margin-bottom:8px}
.sec-card p{font-size:14px;color:var(--body)}

/* scenarios */
.scn-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scn-card{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#fff;transition:transform .2s,box-shadow .2s}
.scn-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.scn-card .scn-top{height:8px}
.scn-card .scn-body{padding:20px}
.scn-card h3{font-size:16px;margin-bottom:6px}
.scn-card p{font-size:13px;color:var(--body)}

/* cta band */
.cta-band{background:linear-gradient(120deg,var(--brand),#1e40af);color:#fff;padding:76px 0;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 60%);top:-180px;right:-120px}
.cta-band h2{color:#fff;font-size:36px;font-weight:800}
.cta-band p{font-size:17px;opacity:.9;margin-top:14px}
.cta-band .cta-row{display:flex;gap:14px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.cta-band .btn-primary{background:#fff;color:var(--brand-700)}
.cta-band .btn-primary:hover{background:#f0f5ff}
.cta-band .btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12)}

/* footer */
.footer{background:#0b1426;color:#94a3b8;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer .brand{color:#fff}
.footer-about p{font-size:14px;line-height:1.7;margin-top:16px;max-width:340px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#94a3b8;font-size:14px}
.footer-links a:hover{color:#fff}
.footer-contact li{font-size:14px;margin-bottom:11px;color:#cbd5e1}
.footer-bottom{border-top:1px solid #1e293b;padding-top:22px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px}
.footer-bottom a{color:#94a3b8}
.footer-qr{display:flex;gap:24px;margin-top:18px}
.footer-qr .q{width:96px;height:96px;border-radius:10px;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:8px 8px;background-color:#0f1b39;border:1px solid #1e293b}

/* responsive */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px;padding-top:56px}
  .hero h1{font-size:40px}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .scn-grid{grid-template-columns:repeat(2,1fr)}
  .sec-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links,.nav-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .nav-links.open{display:flex;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:12px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);align-items:stretch}
  .nav-links.open a{padding:12px 10px}
  .hero h1{font-size:32px}
  .hero-lead{font-size:16px}
  .section{padding:60px 0}
  .section-head h2{font-size:28px}
  .feature{grid-template-columns:1fr;gap:32px;padding:40px 0}
  .feature:nth-child(even) .feature-text{order:0}
  .cap-grid{grid-template-columns:1fr}
  .scn-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stats-grid .num{font-size:34px}
  .footer-grid{grid-template-columns:1fr}
  .mock-chat .pad{grid-template-columns:1fr}
  .chat-side{display:none}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .dash-foot{grid-template-columns:1fr}
}
@media(max-width:480px){
  .hero-cta .btn{width:100%}
  .cta-band h2{font-size:26px}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}