:root{
  --bg:#0B0B0F;
  --bg-2:#11141C;
  --fg:#F2F3F7;
  --fg-dim:#A0A5B2;
  --fg-mute:#6E7385;
  --blue:#0A84FF;
  --blue-2:#5EC8FF;
  --indigo:#5E5CE6;
  --red:#FF3B30;
  --orange:#FF9F0A;
  --green:#30D158;
  --purple:#BF5AF2;
  --glass:rgba(255,255,255,0.06);
  --glass-strong:rgba(255,255,255,0.10);
  --stroke:rgba(255,255,255,0.09);
  --stroke-strong:rgba(255,255,255,0.16);
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --maxw:1200px;
  --shadow-lg:0 30px 80px -20px rgba(0,0,0,0.55), 0 10px 30px -10px rgba(10,132,255,0.18);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","PingFang SC","Helvetica Neue",Arial,"Microsoft YaHei",sans-serif;
  background:var(--bg); color:var(--fg);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden; line-height:1.6;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== background orbs ===== */
.bg-orbs{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;will-change:transform}
.orb-1{width:520px;height:520px;background:radial-gradient(circle,#1a6cff 0%,transparent 70%);top:-180px;left:-120px;animation:float1 18s ease-in-out infinite}
.orb-2{width:480px;height:480px;background:radial-gradient(circle,#5E5CE6 0%,transparent 70%);top:20%;right:-160px;animation:float2 22s ease-in-out infinite;opacity:.35}
.orb-3{width:600px;height:600px;background:radial-gradient(circle,#0A84FF 0%,transparent 70%);bottom:-240px;left:30%;animation:float3 26s ease-in-out infinite;opacity:.3}
.orb-4{width:340px;height:340px;background:radial-gradient(circle,#FF3B30 0%,transparent 70%);top:55%;left:8%;opacity:.18;animation:float1 20s ease-in-out infinite reverse}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,30px)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(-50px,40px)}}
@keyframes float3{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-40px)}}
.grid-overlay{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at center, black 30%, transparent 75%);
}

/* ===== glass ===== */
.glass{
  background:var(--glass);
  border:1px solid var(--stroke);
  backdrop-filter:blur(22px) saturate(140%);
  -webkit-backdrop-filter:blur(22px) saturate(140%);
}
.glass-strong{
  background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.06));
  border:1px solid var(--stroke-strong);
  backdrop-filter:blur(28px) saturate(160%);
  -webkit-backdrop-filter:blur(28px) saturate(160%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14), 0 20px 60px -20px rgba(0,0,0,.6);
}

/* ===== nav ===== */
.nav{position:sticky;top:12px;z-index:50;margin:12px auto 0;border-radius:18px;max-width:calc(var(--maxw) - 0px)}
.nav-inner{display:flex;align-items:center;gap:24px;height:62px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:34px;height:34px}
.brand-name{font-weight:700;font-size:18px;letter-spacing:.2px}
.brand-cn{font-size:13px;color:var(--fg-dim);margin-left:-2px}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:28px}
.nav-links a{
  position:relative;font-size:14.5px;font-weight:500;color:var(--fg-dim);
  padding:6px 2px;transition:color .2s;letter-spacing:.2px;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#0A84FF,#5EC8FF);
  transform:translateX(-50%);transition:width .25s ease;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:18px}
.nav-reward{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px !important;margin-left:6px;border-radius:999px;font-size:13.5px !important;font-weight:600 !important;
  color:#FFD7A8 !important;
  background:linear-gradient(135deg,rgba(255,159,10,.16),rgba(255,69,58,.14));
  border:1px solid rgba(255,159,10,.32);
  transition:transform .2s ease, box-shadow .2s ease, color .2s ease;
}
.nav-reward::after{display:none !important}
.nav-reward:hover{transform:translateY(-1px);box-shadow:0 8px 22px -8px rgba(255,159,10,.55);color:#FFE6BF !important}
.nav-reward svg{color:#FFB366}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-reward-icon{
  display:none;
  width:38px;height:38px;border-radius:12px;
  align-items:center;justify-content:center;
  color:#FFD08A;
  background:linear-gradient(135deg,rgba(255,159,10,.18),rgba(255,69,58,.18));
  border:1px solid rgba(255,159,10,.35);
  transition:transform .2s ease, box-shadow .2s ease;
}
.nav-reward-icon:hover{transform:translateY(-1px);box-shadow:0 8px 22px -8px rgba(255,159,10,.55);color:#FFE0B0}
.nav-cta{white-space:nowrap}
.nav-menu{display:none;flex-direction:column;gap:5px;padding:10px}
.nav-menu span{width:22px;height:2px;background:#fff;border-radius:2px}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border-radius:12px;font-size:14px;font-weight:600;letter-spacing:.2px;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s;
  border:1px solid transparent;white-space:nowrap;
}
.btn-lg{padding:14px 24px;font-size:15px;border-radius:14px}
.btn-primary{
  background:linear-gradient(180deg,#2FA3FF 0%,#0A84FF 60%,#006CE0 100%);
  color:#fff;box-shadow:0 10px 30px -10px rgba(10,132,255,.7), inset 0 1px 0 rgba(255,255,255,.3);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 36px -10px rgba(10,132,255,.85), inset 0 1px 0 rgba(255,255,255,.35)}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--fg);border-color:var(--stroke)}
.btn-ghost:hover{background:rgba(255,255,255,.10);border-color:var(--stroke-strong)}

/* ===== hero ===== */
.hero{padding:60px 0 40px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:999px;
  background:rgba(10,132,255,.12);color:#8EC5FF;
  font-size:12px;font-weight:600;letter-spacing:.5px;
  border:1px solid rgba(10,132,255,.25);
}
.dot-pulse{width:8px;height:8px;border-radius:50%;background:#30D158;position:relative}
.dot-pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;background:inherit;opacity:.4;animation:pulse 1.8s ease-out infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:.6}100%{transform:scale(2);opacity:0}}
.h1{
  font-size:64px;line-height:1.05;margin:20px 0 18px;font-weight:800;letter-spacing:-1.5px;
  text-shadow:0 2px 40px rgba(10,132,255,.15);
}
.grad-text{
  background:linear-gradient(90deg,#5EC8FF 0%,#0A84FF 50%,#5E5CE6 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{font-size:17px;color:var(--fg-dim);max-width:540px;margin:0 0 28px}
.cta-row{display:flex;gap:14px;margin-bottom:36px;flex-wrap:wrap}
.hero-meta{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,auto);gap:32px}
.hero-meta li{display:flex;flex-direction:column;gap:2px}
.hero-meta strong{font-size:18px;font-weight:700}
.hero-meta span{font-size:12px;color:var(--fg-mute)}

/* ===== phone mockup ===== */
.hero-art{position:relative;display:flex;align-items:center;justify-content:center}
.halo{
  position:absolute;inset:20% 10%;
  background:radial-gradient(closest-side, rgba(10,132,255,.5), transparent 70%);
  filter:blur(40px);z-index:-1;animation:halo 5s ease-in-out infinite alternate;
}
@keyframes halo{0%{opacity:.7;transform:scale(.95)}100%{opacity:1;transform:scale(1.05)}}
.phone{
  width:320px;height:640px;border-radius:46px;
  background:linear-gradient(160deg,#1f2a44 0%,#0c1020 100%);
  padding:14px;position:relative;
  box-shadow:var(--shadow-lg), inset 0 0 0 1px rgba(255,255,255,.08);
  transform:perspective(1200px) rotateY(-8deg) rotateX(4deg);
  animation:float 6s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:perspective(1200px) rotateY(-8deg) rotateX(4deg) translateY(0)}50%{transform:perspective(1200px) rotateY(-5deg) rotateX(2deg) translateY(-8px)}}
.glass-phone::before{
  content:"";position:absolute;inset:0;border-radius:46px;padding:1px;
  background:linear-gradient(160deg,rgba(255,255,255,.25),rgba(255,255,255,0) 40%,rgba(10,132,255,.12));
  -webkit-mask:linear-gradient(#000,#000) content-box, linear-gradient(#000,#000);
  -webkit-mask-composite:xor; mask-composite:exclude;pointer-events:none;
}
.phone-notch{
  position:absolute;top:18px;left:50%;transform:translateX(-50%);
  width:110px;height:26px;border-radius:20px;background:#000;z-index:3;
}
.phone-screen{
  width:100%;height:100%;border-radius:34px;overflow:hidden;position:relative;
  background:linear-gradient(180deg,#0e1426 0%,#07090f 100%);
}
.screen-status{display:flex;justify-content:space-between;align-items:center;padding:16px 22px 6px;font-size:11px;color:#c6cddc}
.screen-dots{display:inline-flex;gap:4px}
.screen-dots i{width:14px;height:8px;border-radius:4px;background:#fff;display:inline-block;opacity:.9}
.screen-dots i:not(:last-child){opacity:.4;width:12px}
.app-home{padding:12px 18px}
.app-greet{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px}
.app-greet span{font-size:13px;color:#9aa3b8}
.app-greet strong{font-size:22px;font-weight:800;color:#fff}
.sms-list{display:flex;flex-direction:column;gap:10px}
.sms-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:flex-start;
  padding:12px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.06);
  font-size:11px;
}
.sms-text b{font-size:12px;color:#fff;display:block;margin-bottom:2px}
.sms-text p{margin:0;color:#aeb6c8;font-size:11px;line-height:1.4}
.sms-time{color:#6e7690;font-size:10px;white-space:nowrap}
.tag{font-size:10px;padding:2px 8px;border-radius:6px;font-weight:600;letter-spacing:.3px;align-self:center}
.tag-red{background:rgba(255,59,48,.15);color:#ff6b61;border:1px solid rgba(255,59,48,.3)}
.tag-orange{background:rgba(255,159,10,.12);color:#ffb64d;border:1px solid rgba(255,159,10,.25)}
.tag-blue{background:rgba(10,132,255,.15);color:#6db3ff;border:1px solid rgba(10,132,255,.3)}
.sms-item.urgent{background:linear-gradient(180deg,rgba(255,59,48,.14),rgba(255,59,48,.06));border-color:rgba(255,59,48,.3);box-shadow:0 0 30px -10px rgba(255,59,48,.5)}

/* fullscreen alert overlay inside phone */
.alert-overlay{
  position:absolute;inset:0;z-index:4;display:flex;align-items:center;justify-content:center;
  padding:20px;opacity:0;animation:showAlert 6s ease-in-out infinite;
}
.alert-flash{
  position:absolute;inset:0;background:rgba(255,80,80,.0);
  animation:flash 6s ease-in-out infinite;
}
@keyframes showAlert{
  0%,30%{opacity:0;transform:translateY(20px) scale(.96)}
  40%,80%{opacity:1;transform:translateY(0) scale(1)}
  90%,100%{opacity:0;transform:translateY(-8px) scale(.98)}
}
@keyframes flash{
  0%,30%{background:rgba(255,80,80,0)}
  40%,80%{background:rgba(255,80,80,.12);box-shadow:inset 0 0 60px rgba(255,59,48,.25)}
  90%,100%{background:rgba(255,80,80,0)}
}
.alert-card{
  width:100%;border-radius:22px;padding:18px;position:relative;
  animation:cardPulse 2.4s ease-in-out infinite;
}
@keyframes cardPulse{0%,100%{box-shadow:0 20px 60px -10px rgba(0,0,0,.6), 0 0 0 0 rgba(255,59,48,0)}50%{box-shadow:0 20px 60px -10px rgba(0,0,0,.6), 0 0 0 6px rgba(255,59,48,.001)}}
.alert-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.alert-dot{width:8px;height:8px;border-radius:50%;background:#FF3B30;box-shadow:0 0 12px #FF3B30;animation:blink 1s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.alert-eyebrow{font-size:11px;color:#ff9490;letter-spacing:.5px;font-weight:600}
.alert-title{margin:0 0 6px;font-size:20px;font-weight:800}
.alert-body{margin:0 0 16px;font-size:12px;color:#d2d8e6;line-height:1.5}
.alert-actions{display:flex;gap:8px;justify-content:flex-end}
.mini-btn{
  padding:8px 14px;border-radius:12px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.08);color:#cdd4e3;border:1px solid rgba(255,255,255,.08);
}
.mini-btn.primary{
  background:linear-gradient(180deg,#FF6B61,#FF3B30);color:#fff;
  box-shadow:0 8px 20px -8px rgba(255,59,48,.7),inset 0 1px 0 rgba(255,255,255,.25);
}

/* ===== sections ===== */
.section{padding:90px 0;position:relative}
.section-head{text-align:center;margin:0 auto 50px;max-width:720px}
.kicker{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:2px;
  padding:5px 12px;border-radius:999px;
  background:rgba(10,132,255,.12);color:#8EC5FF;border:1px solid rgba(10,132,255,.22);
  margin-bottom:16px;text-transform:uppercase;
}
.h2{font-size:44px;line-height:1.15;margin:10px 0 14px;font-weight:800;letter-spacing:-.8px}
.sub{color:var(--fg-dim);font-size:16px;margin:0}

/* ===== pain cards ===== */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pain-card{border-radius:var(--radius-lg);padding:28px;transition:transform .25s ease, border-color .25s}
.pain-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong)}
.pain-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:color-mix(in srgb, var(--c) 18%, transparent);
  color:var(--c);font-size:22px;font-weight:900;font-family:Georgia,serif;
  border:1px solid color-mix(in srgb, var(--c) 35%, transparent);
  margin-bottom:18px;box-shadow:0 10px 30px -14px var(--c);
}
.pain-card h3{margin:0 0 8px;font-size:20px;font-weight:700}
.pain-card p{margin:0;color:var(--fg-dim);font-size:14px}

/* ===== feature grid ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat{border-radius:var(--radius-lg);padding:26px;transition:transform .25s ease, border-color .25s, background .25s;position:relative;overflow:hidden}
.feat::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(140deg,rgba(255,255,255,.18),transparent 40%,rgba(10,132,255,.25));-webkit-mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.35;transition:opacity .25s;pointer-events:none}
.feat:hover{transform:translateY(-4px);background:rgba(255,255,255,.08);border-color:var(--stroke-strong)}
.feat:hover::before{opacity:1}
.feat-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:color-mix(in srgb, var(--c) 20%, transparent);
  color:var(--c);margin-bottom:16px;border:1px solid color-mix(in srgb, var(--c) 35%, transparent);
}
.feat-icon svg{width:24px;height:24px}
.feat h3{margin:0 0 6px;font-size:18px;font-weight:700}
.feat p{margin:0;color:var(--fg-dim);font-size:14px;line-height:1.6}

/* ===== alert section ===== */
.alert-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center}
.alert-steps{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-direction:column;gap:14px}
.alert-steps li{
  display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:center;
  padding:14px 16px;border-radius:16px;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);
  transition:all .2s ease;
}
.alert-steps li:hover{background:rgba(10,132,255,.08);border-color:rgba(10,132,255,.35);transform:translateX(4px)}
.alert-steps span{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:800;
  background:linear-gradient(135deg,#0A84FF,#5E5CE6);color:#fff;font-size:13px;
  box-shadow:0 6px 20px -8px rgba(10,132,255,.8);
}
.alert-steps b{display:block;font-size:16px;font-weight:700;margin-bottom:2px}
.alert-steps i{font-style:normal;font-size:13px;color:var(--fg-dim)}
.alert-art{display:flex;align-items:center;justify-content:center;position:relative;min-height:340px}
.alert-ripples{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.alert-ripples span{
  position:absolute;width:200px;height:200px;border-radius:50%;border:1px solid rgba(10,132,255,.25);
  animation:ripple 3s ease-out infinite;
}
.alert-ripples span:nth-child(2){animation-delay:.8s;border-color:rgba(255,59,48,.2)}
.alert-ripples span:nth-child(3){animation-delay:1.6s;border-color:rgba(255,255,255,.12)}
@keyframes ripple{0%{transform:scale(.4);opacity:.8}100%{transform:scale(1.6);opacity:0}}
.bell{
  width:180px;height:180px;border-radius:40px;display:grid;place-items:center;position:relative;
  animation:bellShake 4s ease-in-out infinite;
}
.bell svg{filter:drop-shadow(0 6px 14px rgba(10,132,255,.5))}
.bell-badge{
  position:absolute;top:-6px;right:-6px;min-width:24px;height:24px;padding:0 7px;
  border-radius:999px;background:#FF3B30;color:#fff;font-size:12px;font-weight:800;
  display:grid;place-items:center;border:2px solid #0B0B0F;box-shadow:0 0 0 4px rgba(255,59,48,.18);
}
@keyframes bellShake{0%,100%{transform:rotate(0)}50%{transform:rotate(-4deg)}55%{transform:rotate(6deg)}60%{transform:rotate(-3deg)}65%{transform:rotate(0)}}

/* ===== screens preview ===== */
.screens-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.shot{border-radius:var(--radius-lg);padding:22px;margin:0;transition:transform .3s ease}
.shot:hover{transform:translateY(-6px)}
.shot-shot{
  aspect-ratio:9/16;border-radius:26px;overflow:hidden;position:relative;
  background:linear-gradient(180deg,#101525 0%,#05070c 100%);
  padding:20px 18px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08), 0 20px 50px -20px rgba(0,0,0,.7);
}
.shot-bar{display:flex;justify-content:space-between;align-items:center;color:#8a92a8;font-size:10px;margin-bottom:18px}
.shot-title{font-size:20px;font-weight:800;margin-bottom:16px}
.shot-list{display:flex;flex-direction:column;gap:10px}
.shot-item{display:grid;grid-template-columns:10px 1fr;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.05)}
.shot-item i{width:8px;height:8px;border-radius:50%;margin-top:6px}
.shot-item.red i{background:#FF3B30;box-shadow:0 0 10px #FF3B30}
.shot-item.orange i{background:#FF9F0A;box-shadow:0 0 10px #FF9F0A}
.shot-item.blue i{background:#0A84FF;box-shadow:0 0 10px #0A84FF}
.shot-item.gray i{background:#6E7385}
.shot-item b{display:block;font-size:12px;color:#fff;margin-bottom:2px}
.shot-item p{margin:0;font-size:10px;color:#8a92a8;line-height:1.4}

.shot-switches{display:flex;flex-direction:column;gap:10px}
.shot-switches label{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);
}
.shot-switches b{display:block;font-size:12px;color:#fff;margin-bottom:2px}
.shot-switches p{margin:0;font-size:10px;color:#8a92a8}
.shot-switches i{width:34px;height:20px;border-radius:999px;position:relative;flex-shrink:0}
.shot-switches i::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.25s}
.shot-switches i.on{background:#0A84FF}
.shot-switches i.on::after{left:16px}
.shot-switches i.off{background:rgba(255,255,255,.15)}
.shot-stats-num{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.shot-stats-num div{padding:12px;border-radius:14px;background:rgba(10,132,255,.12);border:1px solid rgba(10,132,255,.25)}
.shot-stats-num b{display:block;font-size:22px;font-weight:800;color:#fff}
.shot-stats-num b span{font-size:12px;color:#8EC5FF;font-weight:600;margin-left:2px}
.shot-stats-num span{font-size:10px;color:#8EC5FF}
.shot-bars{display:flex;align-items:flex-end;gap:8px;height:110px;padding:8px;border-radius:12px;background:rgba(255,255,255,.03)}
.shot-bars i{flex:1;background:linear-gradient(180deg,#5EC8FF,#0A84FF);border-radius:6px;opacity:.9}
figcaption{margin-top:14px;text-align:center;color:var(--fg-dim);font-size:13px}

/* ===== download card ===== */
.download-card{
  border-radius:32px;padding:48px;
  display:grid;grid-template-columns:1.2fr 0.8fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.download-card::before{
  content:"";position:absolute;top:-120px;right:-80px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(10,132,255,.45),transparent 70%);filter:blur(40px);
}
.dl-left{position:relative;z-index:1}
.dl-left .h2{margin-top:10px}
.dl-actions{display:flex;gap:12px;margin:22px 0 22px;flex-wrap:wrap}
.dl-meta{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,auto);gap:28px}
.dl-meta li{display:flex;flex-direction:column}
.dl-meta b{font-size:11px;color:var(--fg-mute);font-weight:500;letter-spacing:.5px;text-transform:uppercase;margin-bottom:2px}
.dl-meta span{font-size:15px;font-weight:600}
.dl-right{display:flex;flex-direction:column;align-items:center;gap:12px;position:relative;z-index:1}
.qr{
  width:220px;height:220px;border-radius:24px;padding:18px;position:relative;
  background:rgba(255,255,255,.88);color:#000;
  box-shadow:0 20px 60px -10px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.8);
}
.qr-grid{width:100%;height:100%;display:grid;grid-template-columns:repeat(21,1fr);grid-template-rows:repeat(21,1fr);gap:0}
.qr-grid i{background:#0B0B0F;border-radius:1px;opacity:0}
.qr-grid i.on{opacity:1}
.qr-logo{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;background:#fff;padding:6px;border-radius:10px;box-shadow:0 4px 12px rgba(0,0,0,.2)}
.qr-tip{color:var(--fg-dim);font-size:13px}

/* ===== faq ===== */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:16px;padding:18px 22px;transition:all .2s;
}
.faq-item[open]{background:rgba(10,132,255,.08);border-color:rgba(10,132,255,.3)}
.faq-item summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;font-weight:600;font-size:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-ic{
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
  background:rgba(255,255,255,.08);color:#fff;font-size:18px;transition:transform .25s;
}
.faq-item[open] .faq-ic{transform:rotate(45deg);background:#0A84FF}
.faq-item p{margin:12px 0 0;color:var(--fg-dim);font-size:14px;line-height:1.7}

/* ===== footer ===== */
.footer{margin-top:40px;padding:60px 0 30px;border-top:1px solid var(--stroke);background:linear-gradient(180deg,transparent,rgba(10,132,255,.05))}
.footer-inner{display:grid;grid-template-columns:1.4fr 2fr;gap:48px}
.foot-brand{display:flex;gap:14px;align-items:center}
.foot-brand .brand-mark{width:42px;height:42px}
.foot-brand b{font-size:18px;font-weight:700}
.foot-brand p{margin:4px 0 0;color:var(--fg-mute);font-size:13px}
.foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.foot-cols h5{margin:0 0 14px;font-size:13px;color:#fff;font-weight:600;letter-spacing:.5px;text-transform:uppercase}
.foot-cols a{display:block;font-size:13px;color:var(--fg-dim);padding:5px 0;transition:color .2s}
.foot-cols a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:40px;padding-top:24px;border-top:1px solid var(--stroke);font-size:12px;color:var(--fg-mute)}
.foot-bottom a{color:var(--fg-mute);transition:color .2s}
.foot-bottom a:hover{color:var(--fg-dim)}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:translateY(0)}

/* ===== responsive ===== */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr;gap:60px}
  .hero-copy{text-align:center}
  .hero-copy .eyebrow{margin:0 auto}
  .lede{margin:0 auto 28px}
  .cta-row{justify-content:center}
  .hero-meta{justify-content:center;gap:24px}
  .pain-grid,.feature-grid,.screens-row{grid-template-columns:1fr 1fr}
  .alert-grid{grid-template-columns:1fr;gap:40px}
  .alert-art{min-height:280px}
  .download-card{grid-template-columns:1fr;padding:32px}
  .dl-right{order:-1}
  .footer-inner{grid-template-columns:1fr;gap:30px}
  .h1{font-size:48px}
  .h2{font-size:32px}
}
@media (max-width: 640px){
  .container{padding:0 18px}
  .nav{margin:8px;border-radius:14px;top:8px}
  .nav-inner{height:56px;gap:12px}
  .nav-links{display:none}
  .nav-menu{display:flex}
  .nav-cta{padding:9px 14px;font-size:13px}
  .nav-reward{display:none}
  .nav-reward-icon{display:inline-flex}
  .brand-cn{display:none}
  .h1{font-size:38px;letter-spacing:-.8px}
  .h2{font-size:26px}
  .section{padding:60px 0}
  .hero{padding:30px 0 20px}
  .phone{width:260px;height:520px}
  .pain-grid,.feature-grid,.screens-row{grid-template-columns:1fr}
  .hero-meta{grid-template-columns:repeat(3,1fr);gap:12px}
  .hero-meta strong{font-size:15px}
  .dl-meta{grid-template-columns:repeat(2,1fr);gap:16px}
  .qr{width:180px;height:180px}
  .foot-cols{grid-template-columns:repeat(3,1fr);gap:14px}
  .foot-cols h5{font-size:12px}
  .foot-bottom{flex-direction:column;gap:6px;text-align:center}
  .download-card{padding:24px;border-radius:22px}
  .reward-dialog{width:calc(100vw - 24px);padding:22px 18px 20px;border-radius:20px}
  .reward-qr{width:200px;height:200px}
}

/* ===== reward modal ===== */
.reward-modal{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:20px}
.reward-modal[hidden]{display:none}
.reward-mask{position:absolute;inset:0;background:rgba(6,8,14,.68);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);animation:maskIn .25s ease}
@keyframes maskIn{from{opacity:0}to{opacity:1}}
.reward-dialog{
  position:relative;width:420px;max-width:100%;padding:28px 28px 24px;border-radius:24px;
  background:linear-gradient(180deg,rgba(28,32,48,.92),rgba(18,22,34,.92));
  border:1px solid var(--stroke-strong);
  box-shadow:0 40px 100px -20px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.04) inset;
  animation:dialogIn .35s cubic-bezier(.2,.8,.2,1);
  text-align:center;
}
@keyframes dialogIn{from{opacity:0;transform:translateY(16px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}
.reward-close{
  position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--fg-dim);background:rgba(255,255,255,.06);border:1px solid var(--stroke);
  transition:background .2s,color .2s,transform .15s;
}
.reward-close:hover{color:#fff;background:rgba(255,255,255,.12);transform:rotate(90deg)}
.reward-head{padding:4px 4px 18px}
.reward-head .kicker{
  display:inline-block;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:1px;
  text-transform:uppercase;color:#FFD08A;
  background:linear-gradient(135deg,rgba(255,159,10,.18),rgba(255,69,58,.18));
  border:1px solid rgba(255,159,10,.35);margin-bottom:12px;
}
.reward-head h3{margin:0 0 8px;font-size:22px;font-weight:700;letter-spacing:-.3px}
.reward-head p{margin:0;font-size:13px;color:var(--fg-dim);line-height:1.6}
.reward-tabs{display:flex;justify-content:center;gap:8px;margin:4px 0 16px}
.reward-tab{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:10px;font-size:13px;font-weight:600;
  color:var(--fg-dim);background:rgba(255,255,255,.05);border:1px solid var(--stroke);
  transition:all .2s ease;
}
.reward-tab.active{color:#fff;background:linear-gradient(135deg,#09BB07,#06A004);border-color:transparent;box-shadow:0 8px 22px -10px rgba(9,187,7,.6)}
.reward-panes{position:relative}
.reward-pane{display:none}
.reward-pane.active{display:block;animation:paneIn .3s ease}
@keyframes paneIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.reward-qr{
  width:240px;height:240px;margin:4px auto 14px;padding:12px;border-radius:18px;
  background:#fff;border:1px solid rgba(255,255,255,.6);
  box-shadow:0 20px 50px -20px rgba(0,0,0,.6);
  overflow:hidden;
}
.reward-qr img{width:100%;height:100%;object-fit:contain;border-radius:10px}
.reward-tip{margin:0;font-size:12px;color:var(--fg-mute)}