:root{
  --bg:#ffffff;
  --bg-2:#faf6ec;
  --bg-3:#f2ead8;
  --panel:#ffffff;
  --line:#e3d5b8;
  --text:#0d1b2a;
  --text-2:#324054;
  --muted:#62718a;
  --primary:#d97706;
  --secondary:#64748b;
  --brand:#d97706;
  --brand-2:#0040cc;
  --green:#64748b;
  --red:#e8453d;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Helvetica Neue","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.snd-container{max-width:1200px;margin:0 auto;padding:0 24px}

.snd-hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.snd-hdr-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.snd-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19.9px;color:var(--text)}
.snd-logo-mark{width:36px;height:36px;border-radius:0px;background:var(--brand);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:17.1px}
.snd-nav{display:flex;align-items:center;gap:32px}
.snd-nav a{color:var(--text-2);font-size:14.2px;font-weight:500;transition:color .2s}
.snd-nav a:hover{color:var(--brand)}
.snd-nav-cta{background:var(--brand);color:#fff !important;padding:10px 22px;border-radius:0px;font-weight:600}
.snd-nav-cta:hover{background:var(--brand-2)}

.snd-hero{padding:80px 0 100px;background:var(--bg);position:relative}
.snd-hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.snd-hero-badge{display:inline-flex;padding:6px 14px;border-radius:0px;background:#e6f4ec;color:var(--green);font-size:12.3px;font-weight:600;margin-bottom:24px;border:1px solid #c5e8d4}
.snd-hero-title{font-size:53.2px;line-height:1.12;font-weight:800;letter-spacing:-1.5px;color:var(--text);margin-bottom:22px}
.snd-hero-sub{font-size:17.1px;color:var(--muted);max-width:540px;margin-bottom:36px}

.snd-dl-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.snd-dl-btn{display:inline-flex;align-items:center;gap:12px;padding:14px 22px;min-width:175px;border-radius:0px;background:var(--text);color:#fff;border:1px solid var(--text);transition:transform .15s,background .15s}
.snd-dl-btn:hover{transform:translateY(-2px);background:#1a2a3e}
.snd-dl-btn span{display:flex;flex-direction:column;line-height:1.1;text-align:left}
.snd-dl-btn small{font-size:10.4px;opacity:.7;font-weight:500}
.snd-dl-btn strong{font-size:15.2px;font-weight:700}
.snd-dl-btn svg{flex-shrink:0;color:#fff}

.snd-hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;list-style:none;border-top:1px solid var(--line);padding-top:30px;max-width:600px}
.snd-hero-stats li{display:flex;flex-direction:column;align-items:flex-start}
.snd-hero-stats b{font-size:24.7px;color:var(--text);font-weight:700;letter-spacing:-.5px}
.snd-hero-stats span{font-size:12.3px;color:var(--muted);margin-top:4px}

.snd-hero-art{display:flex;justify-content:center;align-items:center}
.snd-phone{width:340px;height:520px;border-radius:0px;background:#fff;padding:0;box-shadow:0 20px 60px rgba(217,119,6,.12),0 0 0 1px var(--line);position:relative;overflow:hidden}
.snd-phone:before{content:"";position:absolute;left:0;right:0;top:0;height:60px;background:linear-gradient(180deg,var(--brand),var(--brand-2))}
.snd-phone-screen{margin-top:60px;height:calc(100% - 60px);padding:18px 16px;display:flex;flex-direction:column;gap:8px}
.snd-ticker{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-radius:0px;background:var(--bg-2);font-size:12.8px}
.snd-ticker-sym{font-weight:700;color:var(--text)}
.snd-ticker-price{color:var(--text-2);font-variant-numeric:tabular-nums}
.snd-ticker-up{color:var(--green);font-weight:700;font-size:11.9px}
.snd-ticker-down{color:var(--red);font-weight:700;font-size:11.9px}
.snd-chart{flex:1;margin-top:8px;border-radius:0px;background:linear-gradient(180deg,rgba(217,119,6,.08),transparent 70%),var(--bg-2);position:relative;overflow:hidden}
.snd-chart:after{content:"";position:absolute;left:8px;right:8px;bottom:0;height:60%;background:linear-gradient(180deg,rgba(217,119,6,.3),rgba(0,168,107,.15));clip-path:polygon(0% 60%,8% 50%,18% 65%,28% 40%,38% 55%,48% 30%,60% 45%,70% 25%,82% 35%,92% 15%,100% 25%,100% 100%,0% 100%)}

section{padding:96px 0}
.snd-sec-title{font-size:39.9px;font-weight:800;text-align:center;letter-spacing:-1px;margin-bottom:14px;color:var(--text)}
.snd-sec-sub{text-align:center;color:var(--muted);max-width:680px;margin:0 auto 60px;font-size:16.1px}
.snd-grid{display:grid;gap:24px}
.snd-grid-3{grid-template-columns:repeat(3,1fr)}

.snd-features{background:var(--bg-2)}
.snd-card{background:#fff;border:1px solid var(--line);border-radius:0px;padding:36px 28px;transition:box-shadow .2s,transform .2s}
.snd-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(217,119,6,.08)}
.snd-card-icon{width:56px;height:56px;border-radius:0px;background:#e6efff;color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:26.6px;margin-bottom:22px}
.snd-card h3{font-size:18.1px;font-weight:700;margin-bottom:10px;color:var(--text)}
.snd-card p{color:var(--muted);font-size:14.2px}

.snd-testimonials{background:var(--bg)}
.snd-t-card{background:var(--bg-2);border:1px solid var(--line);border-radius:0px;padding:32px;position:relative}
.snd-t-card:before{content:"\201C";position:absolute;top:8px;right:24px;font-size:57.0px;line-height:1;color:var(--brand);opacity:.15;font-family:Georgia,serif}
.snd-t-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.snd-t-avatar{width:50px;height:50px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17.1px}
.snd-t-head b{display:block;font-size:14.2px;color:var(--text)}
.snd-t-head span{display:block;color:var(--muted);font-size:12.3px}
.snd-t-card p{color:var(--text-2);font-size:14.2px;margin-bottom:14px;line-height:1.7}
.snd-rating{color:#f5a623;font-size:15.2px;letter-spacing:2px}

.snd-guide{background:var(--bg-2)}
.snd-guide-steps{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:1040px;margin:0 auto 40px}
.snd-step{display:flex;gap:22px;background:#fff;border:1px solid var(--line);border-radius:0px;padding:28px;transition:box-shadow .2s}
.snd-step:hover{box-shadow:0 8px 32px rgba(217,119,6,.06)}
.snd-step-num{flex-shrink:0;width:48px;height:48px;border-radius:0px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17.1px}
.snd-step-body h3{font-size:16.1px;font-weight:700;margin-bottom:10px;color:var(--text)}
.snd-step-body p{color:var(--muted);font-size:13.8px;margin-bottom:14px}
.snd-step-actions{display:flex;flex-wrap:wrap;gap:8px}
.snd-step-link{display:inline-block;padding:6px 12px;background:#e6efff;border-radius:0px;font-size:11.9px;color:var(--brand);font-weight:600}
.snd-step-link:hover{background:#cfe1ff}

.snd-guide-tips{max-width:1040px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:0px;padding:32px}
.snd-guide-tips h3{font-size:16.1px;margin-bottom:16px;font-weight:700;color:var(--text)}
.snd-guide-tips h3:before{content:"💡 ";margin-right:6px}
.snd-guide-tips ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.snd-guide-tips li{color:var(--muted);font-size:13.8px;padding-left:24px;position:relative;line-height:1.7}
.snd-guide-tips li:before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:900;font-size:15.2px}

.snd-faq{background:var(--bg)}
.snd-faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.snd-faq-list details{background:var(--bg-2);border:1px solid var(--line);border-radius:0px;padding:22px 26px;transition:background .2s}
.snd-faq-list details[open]{background:#fff;box-shadow:0 6px 24px rgba(217,119,6,.06)}
.snd-faq-list summary{cursor:pointer;font-weight:600;font-size:15.7px;list-style:none;display:flex;justify-content:space-between;align-items:center;color:var(--text)}
.snd-faq-list summary::-webkit-details-marker{display:none}
.snd-faq-list summary:after{content:"+";color:var(--brand);font-size:22.8px;font-weight:300;transition:transform .2s}
.snd-faq-list details[open] summary:after{transform:rotate(45deg)}
.snd-faq-list p{color:var(--muted);margin-top:14px;font-size:14.2px;line-height:1.7}

.snd-cta{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff}
.snd-cta-inner{text-align:center}
.snd-cta h2{font-size:36.1px;font-weight:800;margin-bottom:16px;color:#fff;letter-spacing:-1px}
.snd-cta p{color:rgba(255,255,255,.85);max-width:640px;margin:0 auto 36px;font-size:16.1px}
.snd-cta .snd-dl-row{justify-content:center}
.snd-cta .snd-dl-btn{background:#fff;color:var(--text);border-color:#fff}
.snd-cta .snd-dl-btn:hover{background:#f0f4fa}
.snd-cta .snd-dl-btn svg,.snd-cta .snd-dl-btn small,.snd-cta .snd-dl-btn strong{color:var(--text)}
.snd-cta .snd-dl-btn small{opacity:.65}

.snd-ftr{padding:72px 0 0;background:var(--text);color:#a8b3c4}
.snd-ftr-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;padding-bottom:48px}
.snd-ftr-col h4{font-size:13.3px;color:#fff;margin-bottom:18px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}
.snd-ftr-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.snd-ftr-col a{color:#a8b3c4;font-size:13.3px;transition:color .2s}
.snd-ftr-col a:hover{color:#fff}
.snd-ftr-risk{font-size:12.3px;line-height:1.7;color:#a8b3c4}
.snd-ftr-copy{border-top:1px solid #1f2c3f;padding:24px;font-size:12.3px;text-align:center}

@media (max-width:880px){
  .snd-hero{padding:48px 0 64px}
  .snd-hero-inner{grid-template-columns:1fr;gap:40px}
  .snd-hero-title{font-size:34.2px}
  .snd-hero-stats{grid-template-columns:repeat(2,1fr);gap:24px}
  .snd-hero-art{order:-1}
  .snd-phone{width:280px;height:430px}
  .snd-grid-3{grid-template-columns:1fr}
  .snd-ftr-grid{grid-template-columns:repeat(2,1fr)}
  .snd-nav{display:none}
  .snd-sec-title{font-size:26.6px}
  section{padding:64px 0}
  .snd-guide-steps{grid-template-columns:1fr}
}


/* ─── Multi-page extras (auto-generated) ─── */
.snd-page-hero{
  padding:80px 0 60px;
  background:linear-gradient(180deg,var(--bg-2,var(--bg)),var(--bg));
  text-align:center;
  border-bottom:1px solid var(--line);
}
.snd-page-title{
  font-size:39.9px;line-height:1.15;font-weight:800;letter-spacing:-1px;
  color:var(--text);margin:16px 0 18px;
}
.snd-page-sub{font-size:15.7px;color:var(--muted);max-width:760px;margin:0 auto;line-height:1.7}
.snd-sec-title-left{font-size:22.8px;font-weight:800;margin-bottom:18px;text-align:left;color:var(--text)}

/* Platform cards for download.snd-html */
.snd-platforms{padding:64px 0}
.snd-platform-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px}
.snd-platform-card{
  background:var(--panel);border:1px solid var(--line);border-radius:0px;padding:32px 28px;
  transition:transform .2s,border-color .2s;
}
.snd-platform-card:hover{transform:translateY(-4px);border-color:var(--primary)}
.snd-platform-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:22px}
.snd-platform-icon{
  flex-shrink:0;width:64px;height:64px;border-radius:0px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(127,127,127,.1);
}
.snd-platform-icon-android{color:#22c55e;background:rgba(34,197,94,.12)}
.snd-platform-icon-ios{color:#888;background:rgba(127,127,127,.12)}
.snd-platform-icon-mac{color:#64748b;background:rgba(100,116,139,.12)}
.snd-platform-icon-win{color:#0ea5e9;background:rgba(14,165,233,.12)}
.snd-platform-card h3{font-size:17.1px;font-weight:700;margin-bottom:6px;color:var(--text)}
.snd-platform-tag{font-size:12.3px;color:var(--muted)}
.snd-platform-info{
  list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;
  padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:22px;
}
.snd-platform-info li{display:flex;justify-content:space-between;align-items:center;font-size:12.8px}
.snd-platform-info span{color:var(--muted)}
.snd-platform-info b{color:var(--text);font-weight:600}
.snd-platform-card .snd-dl-btn{width:100%;justify-content:center;margin-bottom:22px}
.snd-platform-steps h4{font-size:13.8px;font-weight:700;margin-bottom:12px;color:var(--primary)}
.snd-platform-steps ol{padding-left:22px;color:var(--muted);font-size:13.3px}
.snd-platform-steps li{margin-bottom:8px;line-height:1.6}

/* FAQ categories */
.snd-faq-cat{margin-bottom:48px}
.snd-faq-cat:last-child{margin-bottom:0}

/* About page */
.snd-about-section{padding:72px 0;border-bottom:1px solid var(--line)}
.snd-about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start}
.snd-about-block h2{font-size:24.7px;font-weight:800;margin-bottom:18px;letter-spacing:-.5px;color:var(--text)}
.snd-about-block p{color:var(--muted);font-size:14.2px;line-height:1.8;margin-bottom:14px}
.snd-about-stats{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:24px}
.snd-about-stats li{padding:18px;border-radius:0px;background:var(--panel);border:1px solid var(--line)}
.snd-about-stats b{display:block;font-size:22.8px;color:var(--primary);font-weight:800;margin-bottom:4px}
.snd-about-stats span{color:var(--muted);font-size:12.3px}
.snd-license-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
.snd-license-card{
  padding:18px 16px;border-radius:0px;background:var(--panel);border:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;
}
.snd-license-card b{font-size:13.3px;color:var(--text)}
.snd-license-card span{font-size:11.9px;color:var(--muted)}

/* Legal pages (privacy / terms) */
.snd-legal-content{padding:72px 0}
.snd-legal-inner{max-width:840px;margin:0 auto}
.snd-legal-intro{color:var(--muted);font-size:14.2px;line-height:1.8;padding:20px;background:var(--panel);border-radius:0px;border-left:3px solid var(--primary);margin-bottom:32px}
.snd-legal-content h2{font-size:20.9px;font-weight:800;margin:32px 0 14px;padding-bottom:8px;border-bottom:1px solid var(--line);color:var(--text)}
.snd-legal-content p{color:var(--muted);font-size:14.2px;line-height:1.85;margin-bottom:12px}
.snd-legal-content ul{padding-left:24px;color:var(--muted);font-size:13.8px;line-height:1.85;margin-bottom:14px}
.snd-legal-content li{margin-bottom:6px}
.snd-legal-content b{color:var(--text);font-weight:600}

@media (max-width:880px){
  .snd-page-title{font-size:28.5px}
  .snd-platform-grid{grid-template-columns:1fr}
  .snd-about-grid{grid-template-columns:1fr}
  .snd-license-grid{grid-template-columns:repeat(2,1fr)}
  .snd-about-stats{grid-template-columns:repeat(2,1fr)}
}


/* === Hero layout variations (auto-applied per variant via modifier class) === */

/* Layout 2: centered text, phone below (single column) */
.hero-layout-2 .snd-hero-inner{
  grid-template-columns:1fr !important;
  text-align:center;
  justify-items:center;
  max-width:920px;
  margin:0 auto;
  gap:32px;
}
.hero-layout-2 .snd-hero-text{align-items:center;display:flex;flex-direction:column}
.hero-layout-2 .snd-hero-sub{margin-left:auto;margin-right:auto}
.hero-layout-2 .snd-dl-row{justify-content:center}
.hero-layout-2 .snd-hero-stats{margin:0 auto}

/* Layout 3: mirror — text on right, phone on left */
.hero-layout-3 .snd-hero-inner{
  grid-template-columns:.85fr 1.15fr !important;
}
.hero-layout-3 .snd-hero-art{order:-1}

/* Layout 4: text-only, no phone, full-width centered */
.hero-layout-4 .snd-hero-inner{
  grid-template-columns:1fr !important;
  text-align:center;
  max-width:960px;
  margin:0 auto;
}
.hero-layout-4 .snd-hero-text{align-items:center;display:flex;flex-direction:column}
.hero-layout-4 .snd-hero-sub{margin-left:auto;margin-right:auto;max-width:680px}
.hero-layout-4 .snd-hero-art{display:none}
.hero-layout-4 .snd-dl-row{justify-content:center}
.hero-layout-4 .snd-hero-stats{
  margin:0 auto;
  max-width:760px;
}

/* Layout 5: phone-above text-below vertical stack */
.hero-layout-5 .snd-hero-inner{
  grid-template-columns:1fr !important;
  text-align:center;
}
.hero-layout-5 .snd-hero-text{align-items:center;display:flex;flex-direction:column}
.hero-layout-5 .snd-hero-sub{margin-left:auto;margin-right:auto}
.hero-layout-5 .snd-hero-art{order:-1;margin-bottom:8px}
.hero-layout-5 .snd-hero-art .snd-phone{width:240px;height:380px}
.hero-layout-5 .snd-dl-row{justify-content:center}
.hero-layout-5 .snd-hero-stats{margin:0 auto}

@media (max-width:880px){
  .hero-layout-2 .snd-hero-inner,
  .hero-layout-3 .snd-hero-inner,
  .hero-layout-4 .snd-hero-inner,
  .hero-layout-5 .snd-hero-inner{grid-template-columns:1fr !important}
}