/* MyOBDai — landing page
   Direction: US/EU auto-tool DTC convention = white canvas + ONE strong accent + trust signals up front.
   Accent = signal orange (semantic: warning light), paired with deep ink. Deliberately NOT Topdon blue. */

:root{
  --accent:#f97316;--accent-bright:#ff9900;
  --accent-strong:#ea580c;
  --accent-dark:#c2410c;
  --accent-soft:#fff7ed;
  --accent-line:#fed7aa;

  --ink:#0a0f1a;
  --ink-2:#5b6478;
  --ink-3:#8b93a7;

  --bg:#ffffff;
  --bg-soft:#f6f7f9;
  --bg-gray:#f1f3f6;
  --line:#e4e7ec;
  --line-2:#d3d8e0;

  --ok:#0f9960;
  --warn:#d97706;
  --danger:#cf2500;

  --radius:14px;
  --radius-sm:10px;
  --shadow:0 6px 24px rgba(10,15,26,.08);
  --shadow-lg:0 18px 48px rgba(10,15,26,.14);
  --maxw:1280px;
  --head-h:66px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- announcement + cookie ---------- */
.announce{background:var(--ink);color:#fff;font-size:13px;text-align:center;padding:9px 16px;letter-spacing:.2px}
.announce b{color:#fdba74;font-weight:700}
.announce a{color:#fdba74;border-bottom:1px solid rgba(255,181,154,.5)}
.cookie{
  position:fixed;left:0;right:0;bottom:0;z-index:90;background:#fff;
  border-top:1px solid var(--line);box-shadow:0 -8px 30px rgba(10,15,26,.12);
  padding:16px 24px;display:flex;gap:18px;align-items:center;flex-wrap:wrap;
  font-size:13.5px;color:var(--ink-2);
}
.cookie p{margin:0;flex:1;min-width:260px}
.cookie a{color:var(--accent-strong);text-decoration:underline}
.cookie .cbtns{display:flex;gap:10px}

/* ---------- header ---------- */
.header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.header-in{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:var(--head-h);display:flex;align-items:center;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.3px;white-space:nowrap}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#ff9900,#f97316);color:#1a1a1a;display:grid;place-items:center;font-size:17px;font-weight:800}
.logo .sub{display:block;font-size:11px;color:var(--ink-3);font-weight:700;letter-spacing:.7px;text-transform:uppercase;line-height:1.2}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:14.5px;font-weight:600;padding:4px 0;position:relative;white-space:nowrap}
.nav a:hover{color:var(--accent-strong)}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--accent);transform:scaleX(0);transition:transform .2s}
.nav a:hover::after{transform:scaleX(1)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang{display:flex;border:1px solid var(--line-2);border-radius:8px;overflow:hidden}
.lang button{border:0;background:#fff;padding:6px 12px;font-size:13px;font-weight:700;cursor:pointer;color:var(--ink-2);font-family:inherit}
.lang button.on{background:var(--accent);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:8px;font-weight:700;font-size:14.5px;cursor:pointer;border:1px solid transparent;transition:.18s;white-space:nowrap;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,#ff9900,#f97316);color:#fff;box-shadow:0 4px 14px rgba(249,115,22,.3)}
.btn-primary:hover{background:var(--accent-strong);transform:translateY(-1px);box-shadow:0 8px 20px rgba(249,115,22,.4)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent-strong)}
.btn-lg{padding:14px 30px;font-size:16px;border-radius:10px}
.burger{display:none;background:none;border:0;font-size:24px;cursor:pointer;color:var(--ink);padding:4px 8px}

/* ---------- trust bar ---------- */
.trustbar{background:var(--bg-soft);border-bottom:1px solid var(--line)}
.trustbar-in{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;justify-content:center;gap:38px;flex-wrap:wrap;font-size:13.5px;font-weight:600;color:var(--ink-2)}
.trustbar span{display:flex;align-items:center;gap:8px}
.trustbar .ti{color:var(--accent);font-size:15px}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,#fff 0%,#fff7ed 100%);padding:60px 0 68px;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--accent-line);color:var(--accent-dark);padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.3px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(249,115,22,.18)}
.hero h1{font-size:52px;line-height:1.08;margin:20px 0 18px;font-weight:800;letter-spacing:-1.2px}
.hero h1 .accent{color:var(--accent)}
.hero .lead{font-size:18.5px;color:var(--ink-2);max-width:560px;margin:0 0 28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.hero-proof{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-2);margin-bottom:26px}
.hero-proof .stars{color:#f5a524;letter-spacing:1px;font-size:15px}
.hero-facts{display:flex;gap:32px;flex-wrap:wrap;padding-top:20px;border-top:1px solid var(--line)}
.hero-facts div b{display:block;font-size:24px;font-weight:800;letter-spacing:-.5px}
.hero-facts div span{font-size:13px;color:var(--ink-3);font-weight:600}

/* device illustration */
.device-wrap{position:relative;display:grid;place-items:center;min-height:400px}
.device-card{width:230px;height:150px;border-radius:16px;background:linear-gradient(150deg,#0a0f1a,#16233d);box-shadow:var(--shadow-lg);position:relative;padding:16px;color:#fff}
.device-card .dc-top{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1.2px;color:#9fb4d4;font-weight:700}
.device-card .dc-leds{position:absolute;top:16px;right:16px;display:flex;gap:5px}
.device-card .dc-leds i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.device-card .dc-leds i:nth-child(2){background:var(--accent);box-shadow:0 0 8px var(--accent)}
.device-card .dc-leds i:nth-child(3){background:#eab308;box-shadow:0 0 8px #eab308}
.device-card .dc-title{font-size:14px;font-weight:800;margin-top:16px;color:var(--accent);letter-spacing:1px}
.device-card .dc-body{position:absolute;left:16px;bottom:16px;right:16px;height:52px;border-radius:9px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);padding:8px 10px;font-size:10px;color:#c3d0e6;line-height:1.5}
.phone{position:absolute;right:6px;bottom:-6px;width:184px;height:352px;border-radius:26px;background:#0a0f1a;border:8px solid #141d30;box-shadow:var(--shadow-lg);padding:14px;overflow:hidden}
.phone .p-bar{height:6px;border-radius:4px;background:rgba(255,255,255,.14);width:44%;margin:2px auto 12px}
.phone .p-chip{display:inline-block;background:var(--danger);color:#fff;font-size:9px;font-weight:800;padding:3px 8px;border-radius:5px;letter-spacing:.5px}
.phone .p-h{font-size:12.5px;font-weight:800;color:#fff;margin:8px 0 6px}
.phone .p-row{display:flex;justify-content:space-between;font-size:9.5px;color:#8fa3c8;margin-bottom:5px}
.phone .p-row b{color:#dbe6fb}
.phone .p-box{background:rgba(255,255,255,.06);border-radius:8px;padding:8px;margin-top:8px;font-size:9px;color:#a8bade;line-height:1.55}
.phone .p-cost{margin-top:10px;background:rgba(249,115,22,.16);border:1px solid rgba(249,115,22,.42);border-radius:8px;padding:8px;font-size:9.5px;color:#fdba74}
.phone .p-cost b{color:#fff;font-size:12px;display:block;margin-top:2px}
.float-badge{position:absolute;left:-4px;top:14px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 12px;box-shadow:var(--shadow);font-size:11.5px;font-weight:700;display:flex;align-items:center;gap:7px}
.float-badge .g{width:8px;height:8px;border-radius:50%;background:var(--ok)}

/* ---------- section base ---------- */
.section{padding:76px 0}
.section.gray{background:var(--bg-gray)}
.section.soft{background:var(--bg-soft)}
.sec-head{margin-bottom:42px}
.sec-head.center{max-width:720px;margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{font-size:12.5px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.sec-head h2{font-size:36px;line-height:1.2;margin:0 0 12px;font-weight:800;letter-spacing:-.8px}
.sec-head p{font-size:17px;color:var(--ink-2);margin:0}

/* ---------- value props ---------- */
.grid-feat{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.22s}
.feat:hover{border-color:var(--accent-line);box-shadow:var(--shadow)}
.feat .ic{width:46px;height:46px;border-radius:11px;background:var(--accent-soft);display:grid;place-items:center;font-size:22px;margin-bottom:16px}
.feat h3{margin:0 0 8px;font-size:17.5px;font-weight:800}
.feat p{margin:0;font-size:14.5px;color:var(--ink-2)}

/* ---------- comparison table ---------- */
.compare{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.compare th,.compare td{padding:15px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.compare thead th{background:var(--ink);color:#fff;font-weight:700;font-size:14px}
.compare thead th.us{background:var(--accent)}
.compare td:first-child{font-weight:600;color:var(--ink);width:34%}
.compare td.us{background:var(--accent-soft);font-weight:600;color:var(--ink)}
.compare tbody tr:last-child td{border-bottom:0}
.yes{color:var(--ok);font-weight:800}
.no{color:var(--ink-3);font-weight:700}

/* ---------- testimonials ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.quote .stars{color:#f5a524;letter-spacing:2px;margin-bottom:12px}
.quote p{margin:0 0 18px;font-size:15px;color:var(--ink-2);line-height:1.7}
.quote .who{display:flex;align-items:center;gap:12px}
.quote .av{width:38px;height:38px;border-radius:50%;background:var(--accent-soft);color:var(--accent-dark);display:grid;place-items:center;font-weight:800;font-size:15px}
.quote .who b{display:block;font-size:14px}
.quote .who span{font-size:12.5px;color:var(--ink-3)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{position:relative;padding:30px 26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.step .num{width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;margin-bottom:16px}
.step h3{margin:0 0 8px;font-size:18px;font-weight:800}
.step p{margin:0;font-size:14.5px;color:var(--ink-2)}

/* ---------- emotional banner ---------- */
.banner-dark{background:linear-gradient(120deg,#0a0f1a 0%,#25324a 55%,#f97316 100%);color:#fff;padding:80px 0;text-align:center}
.banner-dark h2{font-size:40px;margin:0 0 14px;font-weight:800;letter-spacing:-.9px}
.banner-dark p{font-size:18px;color:#fed7aa;margin:0 auto 28px;max-width:660px}
.banner-dark .btn-primary{background:#fff;color:var(--ink);box-shadow:none}
.banner-dark .btn-primary:hover{background:#fff7ed}
.banner-dark .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.banner-dark .btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* ---------- coverage checker ---------- */
.coverage{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.cov-form{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.cov-form input{flex:1;min-width:220px;padding:13px 16px;border:1px solid var(--line-2);border-radius:9px;font-size:15px;font-family:inherit;outline:none}
.cov-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(249,115,22,.15)}
.cov-result{font-size:15px;font-weight:700;min-height:26px}
.cov-result.ok{color:var(--ok)}
.cov-result.no{color:var(--danger)}
.cov-hint{font-size:13.5px;color:var(--ink-3);margin-top:6px}
.cov-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.chip{background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--accent-dark);padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;cursor:pointer}
.chip:hover{background:var(--accent);color:#fff}

/* ---------- demo ---------- */
.demo-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.demo-phone{width:270px;height:520px;background:#0a0f1a;border:9px solid #141d30;border-radius:34px;padding:18px;box-shadow:var(--shadow-lg);margin:0 auto;overflow:hidden}
.demo-phone .d-bar{height:7px;border-radius:5px;background:rgba(255,255,255,.14);width:40%;margin:0 auto 16px}
.demo-phone .d-chip{display:inline-block;background:var(--danger);color:#fff;font-size:10px;font-weight:800;padding:4px 9px;border-radius:6px}
.demo-phone .d-h{font-size:16px;font-weight:800;color:#fff;margin:12px 0 10px}
.demo-phone .d-row{display:flex;justify-content:space-between;font-size:11.5px;color:#8fa3c8;padding:5px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.demo-phone .d-row b{color:#e6edfb}
.demo-phone .d-sec{font-size:11px;font-weight:800;color:var(--accent);margin:14px 0 6px;letter-spacing:.6px}
.demo-phone .d-box{background:rgba(255,255,255,.06);border-radius:10px;padding:12px;font-size:11.5px;color:#b6c6e4;line-height:1.65}
.demo-phone .d-cost{margin-top:12px;background:rgba(249,115,22,.18);border:1px solid rgba(249,115,22,.45);border-radius:10px;padding:12px;font-size:11px;color:#fdba74}
.demo-phone .d-cost b{display:block;color:#fff;font-size:16px;margin-top:3px}
.check-list{list-style:none;padding:0;margin:22px 0 0}
.check-list li{padding-left:30px;position:relative;font-size:15px;margin-bottom:11px;color:var(--ink-2)}
.check-list li::before{content:"✓";position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;background:rgba(15,153,96,.13);color:var(--ok);font-size:12px;font-weight:800;display:grid;place-items:center}

/* ---------- product / buy ---------- */
.buy-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:sticky;top:calc(var(--head-h) + 20px)}
.prod-shot{height:210px;border-radius:12px;background:linear-gradient(160deg,#fff7ed,#ffedd5);display:grid;place-items:center;font-size:64px;margin-bottom:22px;border:1px solid var(--accent-line);position:relative}
.prod-shot .ph{position:absolute;bottom:10px;font-size:11px;color:var(--ink-3);font-weight:600}
.prod-card h3{margin:0 0 6px;font-size:22px;font-weight:800}
.rating{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);margin-bottom:16px}
.stars{color:#f5a524;letter-spacing:1px}
.price{font-size:28px;font-weight:800;letter-spacing:-.8px}
.price-note{font-size:13px;color:var(--ink-3);margin:4px 0 18px}
.buy-list{list-style:none;padding:0;margin:0 0 22px}
.buy-list li{font-size:14.5px;padding:7px 0 7px 24px;position:relative;color:var(--ink-2)}
.buy-list li::before{content:"▸";position:absolute;left:6px;color:var(--accent);font-weight:800}
.prod-card .btn{width:100%;margin-bottom:10px}
.trust{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-3);justify-content:center;margin-top:6px}

/* ---------- spec table ---------- */
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec-table th,.spec-table td{padding:14px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.spec-table th{background:var(--bg-gray);font-weight:700;width:38%}
.spec-table tr:last-child td,.spec-table tr:last-child th{border-bottom:0}
.spec-table td{color:var(--ink-2)}
.tbd{color:var(--warn);font-weight:700;background:#fff7ed;padding:1px 7px;border-radius:5px;font-size:12.5px}

/* ---------- FAQ ---------- */
.faq{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;background:#fff;overflow:hidden}
.faq-q{padding:17px 20px;font-weight:700;font-size:15.5px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;user-select:none}
.faq-q:hover{background:var(--bg-soft)}
.faq-q .ar{transition:.2s;color:var(--accent);font-weight:800}
.faq-item.open .faq-q .ar{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 18px;font-size:14.5px;color:var(--ink-2)}
.faq-item.open .faq-a{display:block}

/* ---------- helpful links ---------- */
.links-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.link-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.22s;display:block}
.link-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-3px)}
.link-card .lic{font-size:26px;margin-bottom:12px}
.link-card h4{margin:0 0 6px;font-size:16px;font-weight:800}
.link-card p{margin:0;font-size:13.5px;color:var(--ink-2)}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:#a9b2c6;padding:56px 0 28px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.3fr;gap:32px;margin-bottom:36px}
.footer h4{color:#fff;font-size:15px;margin:0 0 14px;font-weight:700}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:9px}
.footer a:hover{color:#fff}
.foot-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;margin-bottom:12px}
.foot-desc{font-size:13.5px;line-height:1.7;max-width:280px}
.socials{display:flex;gap:10px;margin-top:16px}
.socials a{width:34px;height:34px;border-radius:8px;background:rgba(255,255,255,.09);display:grid;place-items:center;font-size:15px}
.socials a:hover{background:var(--accent)}
.news-form{display:flex;gap:8px;margin-top:12px}
.news-form input{flex:1;padding:10px 13px;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:rgba(255,255,255,.07);color:#fff;font-size:13.5px;font-family:inherit;outline:none}
.news-form input::placeholder{color:#7c88a3}
.news-form button{padding:10px 16px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-weight:700;font-size:13.5px;cursor:pointer;font-family:inherit}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7c88a3}
.foot-bottom a:hover{color:#fff}

/* ---------- shop: filters + product grid ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.filter{
  padding:8px 16px;border:1px solid var(--line-2);border-radius:999px;background:#fff;
  font-size:13.5px;font-weight:700;cursor:pointer;font-family:inherit;color:var(--ink-2);
}
.filter:hover{border-color:var(--accent);color:var(--accent-strong)}
.filter.on{background:var(--accent);border-color:var(--accent);color:#fff}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s;display:flex;flex-direction:column}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--accent-line)}
.p-shot{height:180px;background:linear-gradient(160deg,#fff7ed,#fed7aa);display:grid;place-items:center;font-size:52px;position:relative;border-bottom:1px solid var(--line)}
.p-badge{position:absolute;top:12px;left:12px;font-size:10.5px;font-weight:800;padding:4px 9px;border-radius:6px;letter-spacing:.4px}
.p-badge.new{background:var(--accent);color:#fff}
.p-badge.ph{background:#fff7ed;border:1px solid var(--warn);color:var(--warn)}
.p-badge.ai{background:var(--ink);color:#fff}
.p-body{padding:20px;flex:1;display:flex;flex-direction:column}
.p-cat{font-size:11.5px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.p-body h3{margin:0 0 8px;font-size:18px;font-weight:800;line-height:1.35}
.p-tag{font-size:13.5px;color:var(--ink-2);margin:0 0 14px}
.p-price{font-size:21px;font-weight:800;letter-spacing:-.5px;margin-bottom:14px}
.p-price .tbdq{font-size:14px;color:var(--ink-3);font-weight:600;letter-spacing:0}
.p-actions{margin-top:auto;padding-top:6px;display:flex;gap:8px;flex-wrap:wrap}
.p-actions .btn{flex:1;padding:9px 14px;font-size:13.5px}

/* ---------- shop: product detail ---------- */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.detail-shot{height:340px;border-radius:var(--radius);background:linear-gradient(160deg,#fff7ed,#fed7aa);display:grid;place-items:center;font-size:96px;border:1px solid var(--accent-line);position:relative}
.detail-shot .ph{position:absolute;bottom:12px;font-size:12px;color:var(--ink-3);font-weight:600}
.detail-buy{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-top:24px}
.qty{display:inline-flex;align-items:center;gap:14px;border:1px solid var(--line-2);border-radius:9px;padding:8px 14px;margin-bottom:14px}
.qty button{border:0;background:var(--bg-soft);width:28px;height:28px;border-radius:6px;cursor:pointer;font-weight:800;font-size:15px;color:var(--ink)}
.qty button:hover{background:var(--accent);color:#fff}
.qty span{font-weight:800;min-width:22px;text-align:center}

/* ---------- cart ---------- */
.cart-count{
  position:absolute;top:-6px;right:-6px;background:var(--accent);color:#fff;font-size:10.5px;font-weight:800;
  min-width:18px;height:18px;border-radius:9px;display:grid;place-items:center;padding:0 5px;
}
.cart-link{position:relative;display:inline-flex;align-items:center;font-size:20px}
.cart-item{display:flex;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.cart-item .ci-img{width:66px;height:66px;border-radius:10px;background:linear-gradient(160deg,#fff7ed,#fed7aa);display:grid;place-items:center;font-size:28px;flex-shrink:0}
.cart-item .ci-info{flex:1;min-width:0}
.cart-item .ci-info b{display:block;font-size:15px;margin-bottom:3px}
.cart-item .ci-info span{font-size:13px;color:var(--ink-3)}
.cart-item .ci-price{font-weight:800;font-size:16px;white-space:nowrap}
.cart-summary{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:sticky;top:calc(var(--head-h) + 20px)}
.cart-summary .row{display:flex;justify-content:space-between;font-size:15px;margin-bottom:10px}
.cart-summary .row.total{font-size:20px;font-weight:800;border-top:1px solid var(--line-2);padding-top:14px;margin-top:6px}
.empty{text-align:center;padding:60px 20px;color:var(--ink-3)}
.empty .ei{font-size:52px;margin-bottom:14px}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:13.5px;font-weight:700;margin-bottom:6px}
.form-row input,.form-row textarea,.form-row select{
  width:100%;padding:11px 14px;border:1px solid var(--line-2);border-radius:9px;font-size:14.5px;
  font-family:inherit;outline:none;background:#fff;
}
.form-row input:focus,.form-row textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(249,115,22,.15)}
.notice{background:#fff7ed;border:1px solid var(--warn);color:#92400e;padding:14px 16px;border-radius:10px;font-size:14px;margin-bottom:20px}

/* ---------- legal / text pages ---------- */
.legal{max-width:840px;margin:0 auto;font-size:15px;line-height:1.85;color:var(--ink-2)}
.legal h3{font-size:19px;font-weight:800;color:var(--ink);margin:34px 0 10px}
.legal h3:first-child{margin-top:0}
.legal p{margin:0 0 14px}
.legal ul{margin:0 0 14px;padding-left:22px}
.legal li{margin-bottom:7px}
.legal .updated{font-size:13px;color:var(--ink-3);margin-bottom:26px}
.legal strong{color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav{display:none}
  .burger{display:block}
  .header-in{gap:14px}
  .hero-in{grid-template-columns:1fr;gap:44px}
  .hero h1{font-size:42px}
  .device-wrap{min-height:340px;order:-1}
  .grid-feat,.steps,.quotes,.links-4{grid-template-columns:repeat(2,1fr)}
  .buy-grid,.demo-wrap{grid-template-columns:1fr;gap:36px}
  .prod-card{position:static}
  .foot-grid{grid-template-columns:1fr 1fr 1fr}
  .foot-grid>:first-child{grid-column:1/-1}
  .compare{display:block;overflow-x:auto;white-space:nowrap}
}
.nav-mobile{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 24px 18px}
.nav-mobile.open{display:block}
.nav-mobile a{display:block;padding:11px 0;font-weight:600;font-size:15px;border-bottom:1px solid var(--line)}

@media (max-width:720px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .hero{padding:40px 0 48px}
  .hero h1{font-size:32px;letter-spacing:-.6px}
  .hero .lead{font-size:16px}
  .hero-cta .btn{width:100%}
  .hero-facts{gap:20px}
  .trustbar-in{gap:14px;font-size:12.5px;justify-content:flex-start}
  .sec-head h2{font-size:27px}
  .banner-dark{padding:52px 0}
  .banner-dark h2{font-size:27px}
  .banner-dark p{font-size:15.5px}
  .banner-dark .btn{width:100%}
  .grid-feat,.steps,.quotes,.links-4{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .phone{right:0;bottom:-10px;width:150px;height:300px}
  .device-card{width:190px;height:126px}
  .float-badge{display:none}
  .demo-phone{width:230px;height:460px}
  .spec-table th{width:45%;font-size:13.5px}
  .spec-table th,.spec-table td{padding:11px 14px;font-size:13.5px}
  .foot-bottom{flex-direction:column;gap:8px}
  .cookie{flex-direction:column;align-items:stretch;gap:12px}
}

/* ---------- 手机端 header 收紧（2026-09-23 修复：汉堡被挤出屏幕） ---------- */
.table-scroll{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.nav-buy{display:block;margin:8px 0 4px;padding:11px 14px;border-radius:9px;
  background:linear-gradient(135deg,#ff9900,#f97316);color:#fff;font-weight:800;text-align:center}
@media (max-width:1100px){
  .header-in{flex-wrap:nowrap}
  .header-right{margin-left:auto}
}
@media (max-width:560px){
  .header-in{gap:10px}
  .logo{font-size:16px}
  .logo .sub{display:none}
  .header-right{gap:8px}
  .header-right .btn-primary{display:none}
  .lang button{font-size:12px;padding:8px 10px}
  .burger{width:44px;height:44px;font-size:19px}
  .compare th,.compare td{padding:11px 12px;font-size:13px}
}
@media (max-width:380px){
  .logo-mark{width:30px;height:30px;font-size:14px}
  .logo{font-size:15px}
}

@media (max-width:400px){
  .foot-grid{grid-template-columns:1fr;gap:20px}
  .container{padding:0 12px}
  .foot-logo,.socials,.foot-grid ul{max-width:100%}
}