/* 鸣跃智能体 Ultra · 官网样式  (深海军蓝科技风 + 暖白正文) */
:root{
  --navy:#060b1a; --navy2:#0a1228; --card:#0d1630; --card2:#101c3d; --line:#1e2c55; --line2:#2a3d72;
  --tx:#e8eeff; --tx2:#9fb0d8; --tx3:#6f80aa;
  --ac:#3d8bff; --ac2:#22d3ee; --gold:#f5c26b; --ok:#34d399;
  --paper:#FBFBF9; --paper2:#F3F2EE; --ink:#14181f; --ink2:#4a5263; --ink3:#7b8394; --rule:#e6e4de;
  --r:14px; --R:22px; --maxw:1200px;
  --font:Inter,"Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  --grad:linear-gradient(90deg,var(--ac),var(--ac2));
  --shadow:0 10px 30px -12px rgba(10,20,50,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--paper);color:var(--ink);line-height:1.65;font-size:16px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- 导航 ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
.nav.solid,.nav.light{background:rgba(6,11,26,.82);backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom-color:rgba(255,255,255,.06)}
.nav .wrap{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:.3px;white-space:nowrap}
.brand img{width:30px;height:30px;border-radius:8px}
.brand small{font-weight:500;color:var(--tx2);font-size:12px;margin-left:2px}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-links a{color:#c9d4f2;font-size:14.5px;padding:8px 12px;border-radius:10px;transition:color .2s,background .2s}
.nav-links a:hover,.nav-links a.on{color:#fff;background:rgba(255,255,255,.07)}
.nav .cta{margin-left:8px}
.burger{display:none;margin-left:auto;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;color:#fff}
.burger svg{width:22px;height:22px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:999px;font-weight:600;font-size:15.5px;transition:transform .15s,box-shadow .2s,background .2s,color .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn svg{width:18px;height:18px}
.btn-pri{background:var(--grad);color:#fff;box-shadow:0 8px 24px -8px rgba(61,139,255,.7)}
.btn-pri:hover{box-shadow:0 12px 30px -8px rgba(34,211,238,.7)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#2a3140}
.btn-line{border:1px solid var(--rule);background:#fff;color:var(--ink)}
.btn-line:hover{border-color:var(--ink3)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;color:var(--tx);background:var(--navy);overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img,.hero-bg video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-bg video{opacity:0;transition:opacity 1.2s}
.hero-bg video.ready{opacity:.55}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:
  radial-gradient(900px 500px at 18% 40%,rgba(6,11,26,.92),transparent 70%),
  linear-gradient(180deg,rgba(6,11,26,.55) 0%,rgba(6,11,26,.35) 40%,rgba(6,11,26,.92) 88%,var(--navy) 100%)}
.hero .wrap{width:100%;padding-top:96px;padding-bottom:72px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:1.5px;color:var(--ac2);font-weight:600;border:1px solid rgba(34,211,238,.3);background:rgba(34,211,238,.06);padding:6px 14px;border-radius:999px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--ac2);box-shadow:0 0 10px var(--ac2)}
.hero h1{font-size:clamp(40px,7.4vw,92px);line-height:1.04;font-weight:900;letter-spacing:-1px;margin:22px 0 18px}
.hero h1 .ultra{font-family:Inter,sans-serif;font-weight:800;letter-spacing:-2px}
.hero .lead{font-size:clamp(18px,2.2vw,24px);color:#d6e0fb;max-width:640px;font-weight:500}
.hero .lead b{color:#fff}
.hero .sub{color:var(--tx2);margin-top:8px;font-size:15.5px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:64px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:var(--R);overflow:hidden;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.hero-stats div{background:rgba(8,15,36,.72);padding:20px 22px}
.hero-stats b{display:block;font-size:clamp(20px,2.4vw,28px);font-weight:800;color:#fff;letter-spacing:-.3px}
.hero-stats span{font-size:13.5px;color:var(--tx2)}
.scroll-cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);width:22px;height:36px;border:2px solid rgba(255,255,255,.3);border-radius:12px}
.scroll-cue::after{content:"";position:absolute;left:50%;top:7px;width:3px;height:7px;margin-left:-1.5px;border-radius:2px;background:#fff;animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(12px)}}

/* ---------- 区块通用 ---------- */
section{position:relative}
.sec{padding:112px 0}
.sec.tight{padding:84px 0}
.dark{background:var(--navy);color:var(--tx)}
.dark.glow{background:radial-gradient(1100px 520px at 50% -8%,rgba(18,58,138,.45),transparent 70%),var(--navy)}
.paper2{background:var(--paper2)}
.kicker{font-size:13px;font-weight:700;letter-spacing:2.5px;color:var(--ac);text-transform:uppercase}
.dark .kicker{color:var(--ac2)}
.h2{font-size:clamp(28px,4.2vw,48px);line-height:1.15;font-weight:900;letter-spacing:-.5px;margin:12px 0 14px}
.desc{font-size:17px;color:var(--ink2);max-width:720px}
.dark .desc{color:var(--tx2)}
.head{margin-bottom:52px}
.head.center{text-align:center}
.head.center .desc{margin:0 auto}

/* ---------- 三大支柱 ---------- */
.pillars{display:grid;gap:22px}
.pillar{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:var(--R);padding:40px;position:relative;overflow:hidden}
.pillar::after{content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(closest-side,rgba(61,139,255,.18),transparent);pointer-events:none}
.pillar .num{font-family:Inter;font-size:13px;color:var(--ac2);font-weight:700;letter-spacing:2px}
.pillar h3{font-size:clamp(24px,3vw,34px);font-weight:900;margin:8px 0 10px;letter-spacing:-.3px}
.pillar p.lede{color:var(--tx2);font-size:16.5px;max-width:760px}
.pillar-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center}
.forms{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:26px}
.form{background:rgba(10,20,48,.7);border:1px solid #24376b;border-radius:var(--r);padding:16px;transition:border-color .2s,transform .2s}
.form:hover{border-color:var(--ac);transform:translateY(-2px)}
.form svg{width:26px;height:26px;color:var(--ac2);margin-bottom:10px}
.form b{display:block;font-size:15px;color:#fff}
.form span{font-size:12.5px;color:var(--tx2);line-height:1.5;display:block;margin-top:2px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{display:inline-flex;align-items:center;border:1px solid #2b4a8f;background:#0c1a3d;color:#dfe8ff;border-radius:999px;padding:6px 14px;font-size:13.5px;font-weight:600;white-space:nowrap}
.chip.gold{border-color:rgba(245,194,107,.6);color:var(--gold)}
.chips .lb{color:var(--tx3);font-size:13px;align-self:center;margin-right:4px}
.pillar-img{border-radius:var(--r);border:1px solid var(--line);overflow:hidden;background:#081028;aspect-ratio:16/9}
.pillar-img img{width:100%;height:100%;object-fit:cover}

/* 模式切换 */
.mode-switch{display:inline-flex;background:#081128;border:1px solid var(--line2);border-radius:999px;padding:5px;margin-top:24px;position:relative}
.mode-switch button{position:relative;z-index:1;padding:10px 22px;border-radius:999px;font-weight:700;font-size:15px;color:var(--tx2);transition:color .3s}
.mode-switch button.on{color:#fff}
.mode-switch .thumb{position:absolute;top:5px;bottom:5px;left:5px;border-radius:999px;background:var(--grad);transition:transform .35s cubic-bezier(.4,.1,.2,1),width .35s;box-shadow:0 6px 18px -6px rgba(61,139,255,.8)}
.mode-panel{margin-top:22px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.mode-panel li{list-style:none;display:flex;gap:10px;align-items:flex-start;background:rgba(10,20,48,.6);border:1px solid #1f3266;border-radius:12px;padding:12px 14px;font-size:14.5px;color:#dbe4ff}
.mode-panel li svg{flex:none;width:18px;height:18px;color:var(--ok);margin-top:2px}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* 参数刻度 */
.scale{margin-top:34px;position:relative;padding:8px 0 0}
.scale-bar{height:10px;border-radius:999px;background:linear-gradient(90deg,#1d3a7a,var(--ac) 45%,var(--ac2) 80%,var(--gold));position:relative;box-shadow:0 0 30px -6px rgba(61,139,255,.6)}
.scale-pts{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.scale-pt{border-left:2px solid var(--ac);padding:2px 0 2px 14px}
.scale-pt:last-child{border-color:var(--gold)}
.scale-pt b{font-size:clamp(24px,3vw,36px);font-weight:900;color:#fff;letter-spacing:-.5px;display:block;line-height:1.1}
.scale-pt b small{font-size:14px;font-weight:600;color:var(--ac2);margin-left:4px}
.scale-pt span{font-size:13px;color:var(--tx2);display:block;margin-top:6px;line-height:1.5}

/* ---------- 功能卡片 ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}
.feat{background:#fff;border:1px solid var(--rule);border-radius:var(--R);padding:26px;transition:transform .2s,box-shadow .25s,border-color .2s;display:flex;flex-direction:column}
.feat:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d5d2c8}
.feat .ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#e8f0ff,#e3fbff);color:#1d5fd6;margin-bottom:16px}
.feat .ic svg{width:24px;height:24px}
.feat h3{font-size:18.5px;font-weight:800;margin-bottom:8px;letter-spacing:-.2px}
.feat p{font-size:14.5px;color:var(--ink2);flex:1}
.feat .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.feat .tags span{font-size:12px;color:var(--ink2);background:var(--paper2);border-radius:999px;padding:3px 10px}
.feat .more{margin-top:14px;font-size:13.5px;font-weight:600;color:#1d5fd6;display:inline-flex;gap:4px;align-items:center}
.feat .more svg{width:14px;height:14px;transition:transform .2s}
.feat:hover .more svg{transform:translateX(3px)}

/* ---------- 演示区 ---------- */
.demo-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:24px;align-items:start}
.carousel{position:relative;border-radius:var(--R);overflow:hidden;border:1px solid var(--line);background:#081028;box-shadow:0 30px 80px -30px rgba(0,0,0,.8)}
.carousel .track{display:flex;transition:transform .55s cubic-bezier(.4,.1,.2,1)}
.carousel figure{flex:0 0 100%;position:relative;aspect-ratio:16/9;background:#081028}
.carousel figure img,.carousel figure video{width:100%;height:100%;object-fit:contain}
.carousel figcaption{position:absolute;left:0;right:0;bottom:0;padding:44px 20px 16px;background:linear-gradient(transparent,rgba(4,8,20,.88));font-size:14.5px;color:#e5ecff;font-weight:600}
.carousel figcaption small{display:block;color:var(--tx2);font-weight:500;font-size:12px;letter-spacing:1px}
.car-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;background:rgba(6,11,26,.6);border:1px solid rgba(255,255,255,.18);color:#fff;display:grid;place-items:center;backdrop-filter:blur(6px);z-index:2}
.car-btn:hover{background:rgba(61,139,255,.6)}
.car-btn svg{width:20px;height:20px}
.car-btn.prev{left:12px}.car-btn.next{right:12px}
.dots{display:flex;gap:6px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.dots button{width:8px;height:8px;border-radius:999px;background:#2a3d72;transition:width .3s,background .3s}
.dots button.on{width:24px;background:var(--ac2)}
.phones{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.phone{border-radius:20px;overflow:hidden;border:6px solid #1a2342;background:#000;box-shadow:0 18px 40px -18px rgba(0,0,0,.8);aspect-ratio:444/960}
.phone img{width:100%;height:100%;object-fit:cover;object-position:top}
.wx-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.wx-head b{font-size:17px}
.wx-head span{font-size:13px;color:var(--tx2)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--ok);background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.3);border-radius:999px;padding:3px 10px}
.clips{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}
.clip{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:16/9;background:#0b1430;border:1px solid var(--line)}
.clip video,.clip img{width:100%;height:100%;object-fit:cover}
.clip span{position:absolute;left:10px;bottom:8px;right:10px;font-size:13px;font-weight:600;color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.9)}

/* ---------- 数据链路 ---------- */
.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:14px;align-items:stretch}
.flow-col{background:#fff;border:1px solid var(--rule);border-radius:var(--R);padding:26px}
.flow-col .step{font-family:Inter;font-weight:800;font-size:13px;color:var(--ac);letter-spacing:2px}
.flow-col h3{font-size:22px;font-weight:900;margin:6px 0 12px}
.flow-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.flow-col li{font-size:14.5px;color:var(--ink2);padding-left:18px;position:relative}
.flow-col li::before{content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:2px;background:var(--grad)}
.flow-col li b{color:var(--ink)}
.flow-arrow{display:grid;place-items:center;color:var(--ac)}
.flow-arrow svg{width:28px;height:28px}
.diagram{margin-top:34px;border-radius:var(--R);overflow:hidden;border:1px solid var(--rule);background:var(--navy);box-shadow:var(--shadow);cursor:zoom-in}
.diagram img{width:100%}
.diag-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px}
.diag-tabs button{border:1px solid var(--rule);background:#fff;border-radius:999px;padding:7px 16px;font-size:14px;font-weight:600;color:var(--ink2)}
.diag-tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.diag-tabs + .diagram{margin-top:14px}

/* ---------- 硬件矩阵 ---------- */
.tiers{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.tier{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:var(--R);padding:22px 18px;display:flex;flex-direction:column;min-width:0}
.tier .lv{font-size:12.5px;color:var(--ac2);font-weight:700;letter-spacing:1.5px}
.tier .mem{font-family:Inter;font-size:36px;font-weight:800;margin:6px 0 0;color:#fff;letter-spacing:-1px;line-height:1.15}
.tier .mem small{font-size:13px;color:var(--tx2);font-weight:500;margin-left:4px;letter-spacing:0}
.tier .nm{font-size:17px;font-weight:800;margin:4px 0 14px}
.tier .dev{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}
.tier .dev span{background:#0a1430;border:1px solid #24376b;border-radius:10px;padding:7px 10px;font-size:13.5px;color:#dfe7ff}
.tier .dev span.hot{border-color:var(--gold);color:var(--gold)}
.tier .mdl{margin-top:auto;border-top:1px dashed var(--line2);padding-top:12px}
.tier .mdl i{font-style:normal;font-size:12px;color:var(--tx3);display:block;margin-bottom:4px}
.tier .mdl p{font-size:13.5px;line-height:1.6;color:#dbe4ff}
.foot-note{font-size:12.5px;color:var(--tx3);margin-top:18px}

/* ---------- 版本对比 / 表格 ---------- */
.ed-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:22px}
.ed{background:#fff;border:1px solid var(--rule);border-radius:var(--R);padding:28px;position:relative}
.ed.hot{border:2px solid var(--ac);box-shadow:0 20px 50px -24px rgba(61,139,255,.55)}
.ed.hot::before{content:"推荐";position:absolute;top:-12px;left:24px;background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px}
.ed h3{font-size:24px;font-weight:900}
.ed .for{color:var(--ink3);font-size:14px;margin:4px 0 16px}
.ed .price{font-size:20px;font-weight:800;margin-bottom:18px}
.ed .btn{width:100%}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--R);border:1px solid var(--rule);background:#fff}
table.tbl{width:100%;border-collapse:collapse;font-size:14.5px;min-width:720px}
.tbl th,.tbl td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--rule);vertical-align:top}
.tbl thead th{background:var(--paper2);font-size:14px;font-weight:800;position:sticky;top:0}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl td:first-child{font-weight:700;color:var(--ink);width:24%;white-space:nowrap}
.tbl td{color:var(--ink2)}
.yes{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#e4f9ef;color:#0f9f67}
.yes svg{width:14px;height:14px}
.no{color:#c3c7cf}
.vs th.us,.vs td.us{background:linear-gradient(180deg,#f2f7ff,#eef9ff);color:var(--ink)}
.vs thead th.us{background:var(--ink);color:#fff}
.vs td.us{font-weight:600}
.vs td.them{color:var(--ink3)}
.note{font-size:12.5px;color:var(--ink3);margin-top:14px}

/* ---------- 一体机卡片 (已停用, 保留样式) ---------- */
.bt-grid{display:grid;grid-template-columns:.9fr 2fr;gap:28px;align-items:stretch}
.bt-visual{border-radius:var(--R);overflow:hidden;position:relative;border:1px solid var(--line);min-height:420px;background:#050a18}
.bt-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bt-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.bt{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:var(--R);padding:22px;display:flex;flex-direction:column;min-width:0}
.bt.hot{border-color:rgba(245,194,107,.7);box-shadow:0 0 0 1px rgba(245,194,107,.2) inset}
.bt .tag{font-size:12px;color:var(--gold);font-weight:700;letter-spacing:1px}
.bt h3{font-size:22px;font-weight:900;margin:4px 0 0}
.bt .sku{font-family:Inter;font-size:12.5px;color:var(--tx3)}
.bt .big{display:flex;align-items:baseline;gap:6px;margin:16px 0 4px}
.bt .big b{font-family:Inter;font-size:40px;font-weight:800;letter-spacing:-1px;color:#fff;line-height:1}
.bt .big span{color:var(--tx2);font-size:13px}
.bt dl{margin-top:12px;display:grid;grid-template-columns:auto 1fr;gap:6px 10px;font-size:13px}
.bt dt{color:var(--tx3);white-space:nowrap}
.bt dd{color:#dbe4ff}
.perks{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- 生态 ---------- */
.eco{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.eco div{background:#fff;border:1px solid var(--rule);border-radius:var(--R);padding:22px}
.eco svg{width:28px;height:28px;color:#1d5fd6;margin-bottom:10px}
.eco b{display:block;font-size:16px;margin-bottom:6px}
.eco p{font-size:13.5px;color:var(--ink2)}

/* ---------- CTA + 页脚 ---------- */
.cta-band{background:radial-gradient(800px 300px at 80% 0%,rgba(34,211,238,.18),transparent),radial-gradient(800px 400px at 0% 100%,rgba(61,139,255,.25),transparent),var(--navy);color:#fff;border-radius:28px;padding:56px;display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;border:1px solid var(--line)}
.cta-band h2{font-size:clamp(26px,3.4vw,40px);font-weight:900;line-height:1.2}
.cta-band p{color:var(--tx2);margin-top:10px}
.contact{display:flex;flex-direction:column;gap:12px}
.contact a{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:14px 18px;font-weight:700;font-size:17px;transition:background .2s}
.contact a:hover{background:rgba(255,255,255,.1)}
.contact a svg{width:22px;height:22px;color:var(--ac2);flex:none}
.contact a small{display:block;font-weight:500;font-size:12px;color:var(--tx2)}
footer.foot{background:var(--navy);color:var(--tx2);padding:64px 0 36px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
.foot h4{color:#fff;font-size:14px;margin-bottom:14px}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.foot a:hover{color:#fff}
.foot .brand{margin-bottom:14px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--tx3)}

/* ---------- 子页面通用 ---------- */
.page-hero{background:radial-gradient(900px 400px at 70% -20%,rgba(18,58,138,.55),transparent),var(--navy);color:var(--tx);padding:128px 0 56px}
.page-hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:900;letter-spacing:-.5px;line-height:1.15;margin-top:10px}
.page-hero p{color:var(--tx2);margin-top:12px;font-size:17px;max-width:720px}
.page-hero .chips{margin-top:22px}
.crumbs{font-size:13.5px;color:var(--tx3)}
.crumbs a{color:var(--tx2)}
.crumbs a:hover{color:#fff}

/* 灯箱 */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(3,6,15,.94);display:none;align-items:center;justify-content:center;padding:56px 16px 64px}
.lightbox.on{display:flex}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lightbox .cap{position:absolute;bottom:18px;left:16px;right:16px;text-align:center;color:#cfd8f3;font-size:14px}
.lightbox .x,.lightbox .lb-prev,.lightbox .lb-next{position:absolute;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center}
.lightbox .x{top:12px;right:12px}
.lightbox .lb-prev{left:12px;top:50%;margin-top:-22px}.lightbox .lb-next{right:12px;top:50%;margin-top:-22px}
.lightbox svg{width:22px;height:22px}

/* 占位 */
.placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:28px;border-radius:var(--R);border:1px dashed var(--line2);background:repeating-linear-gradient(135deg,rgba(255,255,255,.015) 0 12px,transparent 12px 24px),linear-gradient(180deg,var(--card2),var(--card));color:var(--tx2);min-height:220px}
.placeholder svg{width:36px;height:36px;color:var(--ac2)}
.placeholder b{color:#fff;font-size:18px}
.light .placeholder,.placeholder.light{background:#fff;border-color:var(--rule);color:var(--ink3)}
.placeholder.light b{color:var(--ink)}

/* 进场动画 */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .tiers{grid-template-columns:repeat(3,1fr)}
  .eco{grid-template-columns:repeat(3,1fr)}
  .bt-grid{grid-template-columns:1fr}
  .bt-visual{min-height:0;aspect-ratio:16/10}
}
@media (max-width:960px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:12px 16px 20px;background:rgba(6,11,26,.97);border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;font-size:16px}
  .nav .cta{margin:8px 0 0}
  .burger{display:flex}
  .pillar-grid,.demo-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .flow-arrow{transform:rotate(90deg);height:28px}
  .ed-cards{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:36px 26px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .clips{grid-template-columns:repeat(2,1fr)}
  .bt-cards{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .wrap{padding:0 16px}
  .sec{padding:72px 0}
  .sec.tight{padding:60px 0}
  .head{margin-bottom:34px}
  .hero .wrap{padding-top:92px;padding-bottom:64px}
  .hero-stats{grid-template-columns:1fr 1fr;margin-top:44px}
  .hero-stats div{padding:16px}
  .hero-ctas .btn{flex:1 1 auto}
  .pillar{padding:26px 20px}
  .mode-panel{grid-template-columns:1fr}
  .mode-switch button{padding:9px 16px;font-size:14px}
  .scale-pts{grid-template-columns:1fr 1fr;gap:18px 12px}
  .tiers{grid-template-columns:1fr}
  .eco{grid-template-columns:1fr 1fr}
  .feat-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
  .foot-grid > div:first-child{grid-column:1/-1}
  .car-btn{width:36px;height:36px}
  .page-hero{padding:104px 0 40px}
  .forms{grid-template-columns:1fr 1fr}
  .tbl th,.tbl td{padding:12px 14px}
}

/* ================= 文档 ================= */
.docs-layout > main{min-width:0}
.docs-layout{display:grid;grid-template-columns:240px minmax(0,1fr) 200px;gap:48px;padding:48px 0 96px;align-items:start}
.docs-side{position:sticky;top:88px;max-height:calc(100vh - 110px);overflow:auto;font-size:14.5px;padding-right:6px}
.docs-side h5{font-size:12px;letter-spacing:1.5px;color:var(--ink3);margin:22px 0 8px;font-weight:700}
.docs-side h5:first-child{margin-top:0}
.docs-side a{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:10px;color:var(--ink2)}
.docs-side a svg{width:17px;height:17px;flex:none;color:var(--ink3)}
.docs-side a:hover{background:var(--paper2);color:var(--ink)}
.docs-side a.on{background:var(--ink);color:#fff}
.docs-side a.on svg{color:var(--ac2)}
.docs-toc{position:sticky;top:88px;font-size:13px;border-left:1px solid var(--rule);padding-left:16px;max-height:calc(100vh - 110px);overflow:auto}
.docs-toc b{display:block;font-size:12px;letter-spacing:1.5px;color:var(--ink3);margin-bottom:10px}
.docs-toc a{display:block;color:var(--ink3);padding:4px 0;line-height:1.45}
.docs-toc a:hover,.docs-toc a.on{color:var(--ac)}
.docs-mnav{display:none}
.md{min-width:0;font-size:16px;color:#2b313d}
.md h1{font-size:clamp(28px,3.6vw,40px);font-weight:900;letter-spacing:-.5px;color:var(--ink);margin-bottom:18px;line-height:1.2}
.md h2{font-size:24px;font-weight:800;color:var(--ink);margin:46px 0 14px;padding-top:10px;scroll-margin-top:84px;letter-spacing:-.2px}
.md h3{font-size:18.5px;font-weight:800;color:var(--ink);margin:30px 0 10px;scroll-margin-top:84px}
.md p{margin:12px 0}
.md ul,.md ol{margin:12px 0;padding-left:1.4em}
.md li{margin:6px 0}
.md li::marker{color:var(--ac)}
.md a{color:#1d5fd6;border-bottom:1px solid rgba(29,95,214,.25)}
.md a:hover{border-color:#1d5fd6}
.md strong{color:var(--ink)}
.md code{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86em;background:#eef0f4;border-radius:6px;padding:2px 6px;color:#1f3a7a;word-break:break-word}
.md pre{position:relative;background:#0b1328;color:#e3e9fb;border-radius:var(--r);padding:18px 20px;overflow-x:auto;margin:16px 0;font-size:13.5px;line-height:1.65;border:1px solid #17234a}
.md pre code{background:none;color:inherit;padding:0;font-size:inherit;word-break:normal;white-space:pre}
.md pre .copy{position:absolute;top:8px;right:8px;font-size:12px;color:var(--tx2);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:3px 10px}
.md pre .copy:hover{color:#fff}
.md blockquote{margin:16px 0;padding:14px 18px;border-left:3px solid var(--ac);background:#f1f6ff;border-radius:0 12px 12px 0;color:var(--ink2);font-size:15px}
.md blockquote p{margin:0}
.md table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14.5px;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
.md thead th{background:var(--paper2);font-weight:800;color:var(--ink)}
.md th,.md td{border:1px solid var(--rule);padding:10px 14px;text-align:left;vertical-align:top}
.md td{min-width:90px}
.md hr{border:0;border-top:1px solid var(--rule);margin:32px 0}
.doc-pager{display:flex;justify-content:space-between;gap:14px;margin-top:56px;border-top:1px solid var(--rule);padding-top:24px}
.doc-pager a{flex:1;border:1px solid var(--rule);border-radius:var(--r);padding:14px 18px;background:#fff;transition:border-color .2s}
.doc-pager a:hover{border-color:var(--ac)}
.doc-pager small{display:block;color:var(--ink3);font-size:12px}
.doc-pager b{font-size:15.5px}
.doc-pager .nx{text-align:right}
.docs-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.docs-cards a{display:block;background:#fff;border:1px solid var(--rule);border-radius:var(--R);padding:22px;transition:transform .2s,box-shadow .2s}
.docs-cards a:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.docs-cards svg{width:26px;height:26px;color:#1d5fd6;margin-bottom:10px}
.docs-cards b{display:block;font-size:17px;margin-bottom:4px}
.docs-cards span{font-size:14px;color:var(--ink2)}
.docs-group{margin-top:40px}
.docs-group h3{font-size:13px;letter-spacing:2px;color:var(--ink3);margin-bottom:14px;font-weight:700}
@media (max-width:1100px){.docs-layout{grid-template-columns:220px minmax(0,1fr)}.docs-toc{display:none}}
@media (max-width:820px){
  .docs-layout{grid-template-columns:1fr;gap:0;padding-top:20px}
  .docs-side{display:none}
  .docs-mnav{display:block;margin-bottom:18px}
  .docs-mnav select{width:100%;height:46px;border:1px solid var(--rule);border-radius:12px;background:#fff;padding:0 14px;font:inherit;font-size:15px;color:var(--ink)}
  .md h2{font-size:21px;margin-top:38px}
  .md pre{font-size:12.5px;padding:14px;margin-left:-4px;margin-right:-4px}
  .doc-pager{flex-direction:column}
}

/* ================= PPT 翻页 ================= */
.deck-page{background:var(--navy);color:var(--tx);min-height:100vh}
.deck-wrap{padding:96px 0 64px}
.deck-top{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.deck-top h1{font-size:clamp(24px,3.4vw,36px);font-weight:900;line-height:1.2}
.deck-top p{color:var(--tx2);font-size:14.5px;margin-top:4px}
.deck-dl{display:flex;gap:10px;flex-wrap:wrap}
.stage{position:relative;border-radius:var(--R);overflow:hidden;background:#030712;border:1px solid var(--line);aspect-ratio:16/9;box-shadow:0 40px 100px -40px rgba(0,0,0,.9);user-select:none}
.stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;transition:opacity .35s}
.stage .car-btn{z-index:3}
.stage:fullscreen{border-radius:0;border:0;aspect-ratio:auto;width:100vw;height:100vh}
.deck-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;flex-wrap:wrap}
.deck-bar .cnt{font-family:Inter;font-weight:700;color:var(--tx2);font-size:14px}
.deck-bar .cnt b{color:#fff}
.deck-bar .tools{display:flex;gap:8px}
.progress{height:3px;background:#17244a;border-radius:3px;margin-top:12px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--grad);transition:width .35s}
.thumbs{display:flex;gap:10px;overflow-x:auto;padding:16px 2px 6px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.thumbs button{flex:0 0 140px;aspect-ratio:16/9;border-radius:10px;overflow:hidden;border:2px solid transparent;opacity:.55;transition:opacity .2s,border-color .2s;scroll-snap-align:start;background:#0b1430;position:relative}
.thumbs button img{width:100%;height:100%;object-fit:cover}
.thumbs button span{position:absolute;left:6px;bottom:4px;font-size:11px;font-weight:700;color:#fff;text-shadow:0 1px 4px #000}
.thumbs button.on,.thumbs button:hover{opacity:1;border-color:var(--ac2)}
.deck-hint{font-size:12.5px;color:var(--tx3);margin-top:8px}
@media (max-width:640px){.thumbs button{flex-basis:104px}.deck-wrap{padding-top:84px}.deck-dl .btn{flex:1}}

/* ================= 视频 ================= */
.vid-main{display:grid;grid-template-columns:minmax(0,960px);justify-content:center;gap:28px;align-items:start}
.vid-card{background:linear-gradient(180deg,#0f1a38,#0b1430);border:1px solid var(--line);border-radius:var(--R);overflow:hidden}
.vid-card .player{border:0;border-radius:0}
.vid-card .meta{padding:16px 20px 20px}
.vid-card .tag{display:inline-block;font-size:12px;font-weight:700;color:#7cc4ff;background:rgba(61,139,255,.14);border:1px solid rgba(61,139,255,.35);border-radius:999px;padding:3px 10px;margin-bottom:10px}
.vid-card .vid-title{margin-top:0;font-size:19px}
.vid-card .vid-desc{color:var(--tx2);font-size:14px;line-height:1.7;margin-top:6px}
.player{border-radius:var(--R);overflow:hidden;background:#000;border:1px solid var(--line);aspect-ratio:16/9;position:relative}
.player video{width:100%;height:100%;object-fit:contain;background:#000}
.player.v{aspect-ratio:9/16;max-height:78vh;margin:0 auto}
.vid-title{margin-top:12px;font-weight:800;font-size:17px}
.vid-sub{color:var(--tx2);font-size:13.5px}
.vid-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.vcard{border-radius:var(--r);overflow:hidden;background:var(--card);border:1px solid var(--line)}
.vcard .player{border:0;border-radius:0}
.vcard .t{padding:12px 14px;font-weight:700;font-size:15px}
.vcard .t small{display:block;color:var(--tx3);font-weight:500;font-size:12px}
.coming{aspect-ratio:16/9;min-height:0}
.coming.v{aspect-ratio:9/16;max-height:78vh}
.sec-title{font-size:20px;font-weight:800;margin:56px 0 18px;display:flex;align-items:center;gap:10px}
.sec-title small{font-size:13px;color:var(--tx3);font-weight:500}
@media (max-width:960px){.vid-main{grid-template-columns:1fr;gap:20px}.player.v,.coming.v{max-width:360px;width:100%}}

/* ================= 截图库 ================= */
.gal-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px;position:sticky;top:64px;z-index:5;background:var(--paper);padding:14px 0;border-bottom:1px solid var(--rule)}
.gal-tabs button{border:1px solid var(--rule);background:#fff;border-radius:999px;padding:7px 16px;font-size:14px;font-weight:600;color:var(--ink2);white-space:nowrap}
.gal-tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.gal-tabs button small{color:var(--ink3);margin-left:4px;font-weight:500}
.gal-tabs button.on small{color:#b9c3d8}
.gal-group{margin-bottom:56px}
.gal-group h2{font-size:22px;font-weight:900;margin-bottom:16px;display:flex;align-items:baseline;gap:10px}
.gal-group h2 small{font-size:13px;color:var(--ink3);font-weight:500}
.gal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.gal-grid.tall{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
.gal-item{border-radius:var(--r);overflow:hidden;background:#fff;border:1px solid var(--rule);cursor:zoom-in;transition:transform .2s,box-shadow .2s;text-align:left;display:block;width:100%;padding:0}
.gal-item:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.gal-item .im{aspect-ratio:16/10;background:#0b1328;overflow:hidden}
.gal-grid.tall .gal-item .im{aspect-ratio:9/16}
.gal-item img{width:100%;height:100%;object-fit:cover;object-position:top}
.gal-item span{display:block;padding:10px 14px;font-size:14px;font-weight:600;color:var(--ink)}
@media (max-width:640px){.gal-grid{grid-template-columns:1fr 1fr;gap:10px}.gal-grid.tall{grid-template-columns:1fr 1fr}.gal-item span{font-size:12.5px;padding:8px 10px}.gal-tabs{flex-wrap:nowrap;overflow-x:auto;margin-left:-16px;margin-right:-16px;padding-left:16px;padding-right:16px}}
.link-btn{color:#1d5fd6;font-weight:600;font-size:14px;padding:0;background:none}
.link-btn:hover{text-decoration:underline}
.link-btn.dark-link{color:var(--ac2)}
.pillar-img.wide{margin-top:28px;aspect-ratio:16/9;background:#060b1a}
.pillar .forms{grid-template-columns:repeat(7,1fr)}
.pillar-grid .mode-panel{margin-top:0}
@media (max-width:1100px){.pillar .forms{grid-template-columns:repeat(4,1fr)}}
@media (max-width:640px){.pillar .forms{grid-template-columns:1fr 1fr}.pillar-img.wide{margin-top:20px;margin-left:-8px;margin-right:-8px}}
@media (max-width:640px){
  .feat{display:grid;grid-template-columns:40px 1fr;column-gap:14px;padding:18px}
  .feat .ic{width:40px;height:40px;border-radius:11px;margin:0;grid-row:span 2}
  .feat .ic svg{width:20px;height:20px}
  .feat h3{font-size:16.5px;margin:0 0 4px;align-self:center}
  .feat p{font-size:14px;grid-column:2}
  .feat .tags,.feat .more{display:none}
  .feat-grid{gap:10px}
}
/* 手机: 对比表改卡片, 矩阵/一体机改横滑 */
@media (max-width:640px){
  #edTable,#vsTable{min-width:0;display:block}
  #edTable thead,#vsTable thead{display:none}
  #edTable tbody,#vsTable tbody{display:block}
  #edTable tr,#vsTable tr{display:block;padding:14px 16px;border-bottom:1px solid var(--rule)}
  #edTable tr:last-child,#vsTable tr:last-child{border-bottom:0}
  #edTable td,#vsTable td{display:flex;gap:12px;justify-content:space-between;align-items:center;border:0;padding:4px 0;width:auto;white-space:normal;background:none}
  #edTable td:first-child,#vsTable td:first-child{display:block;font-size:15px;margin-bottom:4px;padding:0}
  #edTable td[data-label]::before,#vsTable td[data-label]::before{content:attr(data-label);flex:none;font-size:12.5px;font-weight:700;color:var(--ink3);min-width:64px}
  #edTable td[data-label]{text-align:right;font-size:13.5px}
  #vsTable td[data-label]{display:block;font-size:14px;padding:6px 10px;border-radius:10px}
  #vsTable td[data-label]::before{display:block;margin-bottom:2px}
  #vsTable td.us{background:#eef5ff;margin-bottom:6px}
  .tiers,.bt-cards{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;gap:12px;margin:0 -16px;padding:0 16px 8px;scrollbar-width:none}
  .tiers::-webkit-scrollbar,.bt-cards::-webkit-scrollbar{display:none}
  .tier,.bt{flex:0 0 84%;scroll-snap-align:center}
  .swipe-hint{display:block}
}
.swipe-hint{display:none;font-size:12.5px;color:var(--tx3);margin:-4px 0 12px}
body[data-page=docs]:not([data-doc=""]) .docs-layout{padding-top:112px}
@media (max-width:820px){body[data-page=docs]:not([data-doc=""]) .docs-layout{padding-top:84px}}
.bt-grid > div,.pillar-grid > div,.demo-grid > div{min-width:0}
@media (max-width:640px){
  .pillar .forms{gap:8px}
  .form{padding:12px;display:flex;align-items:center;gap:10px}
  .form svg{margin:0;width:22px;height:22px;flex:none}
  .form b{font-size:13.5px}
  .form span{display:none}
  .diag-tabs{flex-wrap:nowrap;overflow-x:auto;margin-left:-16px;margin-right:-16px;padding:0 16px 4px;scrollbar-width:none}
  .diag-tabs::-webkit-scrollbar{display:none}
  .diag-tabs button{white-space:nowrap;flex:none}
}
.docs-layout.two{grid-template-columns:240px minmax(0,1fr)}
@media (max-width:820px){.docs-layout.two{grid-template-columns:1fr}.docs-mnav select{max-width:none}}
.cta-band.solo{grid-template-columns:1fr;text-align:center;justify-items:center}
.cta-band.solo .hero-ctas{justify-content:center;margin-top:24px}
/* 模型三档 */
.mtiers{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:14px;margin-top:22px}
.mtier{background:rgba(10,20,48,.6);border:1px solid #1f3266;border-radius:var(--r);padding:18px 18px 14px}
.mt-h{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:10px;border-bottom:1px dashed var(--line2);padding-bottom:10px}
.mt-h b{font-size:18px;color:#fff;font-weight:900}
.mt-h span{font-size:12.5px;color:var(--ac2);font-weight:600}
.mtier ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.mtier li b{display:block;color:#e8eeff;font-size:15px;font-weight:700}
.mtier li span{display:block;color:var(--tx2);font-size:12.5px;line-height:1.5;margin-top:1px}
.mtier:last-child{border-color:rgba(245,194,107,.45)}
.mtier:last-child .mt-h span{color:var(--gold)}
@media (max-width:960px){.mtiers{grid-template-columns:1fr 1fr}.mtier:last-child{grid-column:1/-1}}
@media (max-width:640px){.mtiers{grid-template-columns:1fr}}

/* ===== v3.0.0 手机版排版修整: 按钮纵向堆叠有间距, 触控区 >=44px, 无横向溢出 ===== */
.verline{margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;font-size:14px;color:var(--tx2)}
.verline b{color:#fff;font-weight:800;font-size:15px;padding:3px 12px;border-radius:999px;background:rgba(61,139,255,.2);border:1px solid rgba(61,139,255,.45)}
.demo-ctas{justify-content:center;margin-top:28px}
@media (max-width:960px){
  .burger{width:44px;height:44px}
  .btn-sm{height:44px}
  .mode-switch button{min-height:44px}
  .gal-tabs button,.gal-tabs a{min-height:44px}
  .md pre .copy{min-height:44px;min-width:56px;padding:0 14px}
  .deck-dl .btn,.deck-dl button{min-height:48px}
}
@media (max-width:640px){
  .btn{min-height:48px;height:auto;padding-top:0;padding-bottom:0}
  .hero-ctas,.cta-band.solo .hero-ctas{flex-direction:column;align-items:stretch;gap:14px;margin-top:28px}
  .hero-ctas .btn{flex:none;width:100%}
  .verline{margin-top:20px;flex-direction:column;align-items:flex-start;gap:10px;line-height:1.6}
  .cta-band{padding:32px 20px}
  .car-btn{width:44px;height:44px}
  .car-btn.prev{left:8px}.car-btn.next{right:8px}
  .dots{gap:8px;margin-top:10px}
  .dots button{position:relative}
  .dots button::after{content:"";position:absolute;left:-4px;right:-4px;top:-18px;bottom:-18px}
  .deck-dl{flex-direction:column;gap:12px}
  .deck-dl .btn{flex:none;width:100%}
  .ed .btn{min-height:48px}
  .tbl-wrap{max-width:100%}
  .eyebrow{max-width:100%;white-space:normal;line-height:1.5;letter-spacing:1px}
}
@media (max-width:960px){.diag-tabs button,.diag-tabs a{min-height:44px}}
@media (max-width:640px){
  .cta-band.solo .hero-ctas{width:100%}
  .hero-stats b{font-size:18px;line-height:1.3;white-space:nowrap}
  .hero-stats span{line-height:1.5}
}
@media (max-width:960px){.link-btn{min-height:44px;display:inline-flex;align-items:center}}