:root{
  --blue:#145CFF;
  --deep:#071FD7;
  --pink:#E936E6;
  --orange:#FF8A18;
  --ink:#07101E;
  --muted:#53627A;
  --line:#DCEAFF;
  --bg:#EAF5FF;
  --shadow:0 18px 45px rgba(16,92,255,.14);
  --safe-top: env(safe-area-inset-top, 0px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:#eaf5ff;
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.page{
  width:100%;
  max-width:520px;
  margin:0 auto;
  min-height:100vh;
  overflow:hidden;
  background:
    radial-gradient(circle at 82% 7%,rgba(82,154,255,.35),transparent 28%),
    linear-gradient(180deg,#DDEFFF 0%,#F8FCFF 48%,#EEF7FF 100%);
}
.hero{
  position:relative;
  min-height:clamp(500px, 116vw, 630px);
  padding:calc(22px + var(--safe-top)) 22px 24px;
  background:
    radial-gradient(circle at 84% 18%,rgba(148,206,255,.62),transparent 34%),
    radial-gradient(circle at 12% 28%,rgba(255,255,255,.85),transparent 30%),
    linear-gradient(180deg,#DDEFFF 0%,#EFF8FF 100%);
}
.hero:before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 66% 6%,rgba(255,255,255,.95) 0 2px,transparent 3px),
    radial-gradient(circle at 50% 9%,rgba(255,79,67,.8) 0 5px,transparent 6px),
    radial-gradient(circle at 4% 72%,rgba(40,210,125,.8) 0 6px,transparent 7px);
  pointer-events:none;
}
.nav{
  position:relative;
  z-index:10;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.menu-btn{
  width:44px;height:38px;border:0;padding:0;background:transparent;
  display:grid;align-content:center;gap:7px;
}
.menu-btn span{display:block;width:34px;height:3.5px;background:#101828;border-radius:99px}
.cert{
  display:flex;align-items:center;gap:8px;
  padding:10px 15px;border-radius:18px;
  color:#fff;font-size:clamp(18px,5.2vw,24px);font-weight:950;
  background:linear-gradient(135deg,#165DFF,#071FD7);
  box-shadow:0 12px 26px rgba(21,61,224,.25);
}
.cert img{width:24px;height:24px}
.hero-inner{
  position:relative;
  z-index:2;
  margin-top:32px;
  min-height:clamp(300px, 72vw, 380px);
}
.hero-copy{
  position:relative;
  z-index:4;
  width:min(62%, 300px);
}
h1{
  margin:0;
  font-weight:950;
  letter-spacing:-.055em;
  line-height:1.02;
}
h1 span,h1 strong{display:block}
h1 span{
  color:#142EE8;
  font-size:clamp(50px, 13.6vw, 72px);
  text-shadow:0 12px 26px rgba(20,79,255,.14);
}
h1 strong{
  margin-top:clamp(10px, 2.4vw, 16px);
  color:#07101E;
  font-size:clamp(49px, 13.1vw, 70px);
}
.slogan{
  display:inline-flex;
  margin:24px 0 0;
  padding:12px 20px 14px;
  border-radius:999px;
  color:#fff;
  font-size:clamp(24px, 6.9vw, 36px);
  line-height:1;
  font-weight:950;
  white-space:nowrap;
  background:linear-gradient(90deg,#1761FF 0%,#8D42FF 52%,#EF38D7 100%);
  box-shadow:0 14px 28px rgba(81,77,255,.23);
}
.hero-art{
  position:absolute;
  z-index:2;
  right:clamp(-42px, -9vw, -18px);
  top:clamp(2px, 3vw, 18px);
  width:clamp(190px, 52vw, 270px);
  height:clamp(260px, 70vw, 360px);
  pointer-events:none;
}
.art-phone{
  position:absolute;
  right:20px;
  top:36px;
  width:56%;
  height:78%;
  border:7px solid #18233a;
  border-radius:34px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.98),rgba(239,246,255,.98)),
    linear-gradient(135deg,#2046a8,#0c1f56);
  transform:rotate(7deg);
  box-shadow:
    0 26px 44px rgba(13,51,132,.22),
    inset 0 0 0 1px rgba(255,255,255,.55);
  overflow:hidden;
}
.art-phone::before{
  content:"";
  position:absolute;
  inset:10px;
  border-radius:26px;
  background:
    radial-gradient(circle at 30% 20%,rgba(255,255,255,.75),transparent 28%),
    linear-gradient(180deg,#ffffff 0%,#f1f6ff 100%);
  box-shadow:inset 0 0 0 1px rgba(16,34,86,.06);
}
.art-phone::after{
  content:"";
  position:absolute;
  left:8px;
  right:8px;
  top:8px;
  height:calc(100% - 16px);
  border-radius:28px;
  pointer-events:none;
  box-shadow:inset 12px 0 20px rgba(255,255,255,.08), inset -10px 0 18px rgba(10,26,62,.05);
}
.notch{
  position:absolute;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:34%;
  height:18px;
  border-radius:999px;
  background:#111827;
  box-shadow:0 2px 0 rgba(255,255,255,.08);
  z-index:3;
}
.notch::after{
  content:"";
  position:absolute;
  right:14px;
  top:50%;
  transform:translateY(-50%);
  width:8px;
  height:8px;
  border-radius:50%;
  background:#2e3950;
}
.screen-icon{
  position:absolute;
  left:50%;
  top:35%;
  transform:translate(-50%,-50%);
  width:66%;
  aspect-ratio:1;
  border-radius:22%;
  background:transparent;
  box-shadow:0 16px 28px rgba(255,103,0,.16);
  display:grid;
  place-items:center;
  z-index:2;
}
.ks-mark{
  width:94%;
  height:94%;
  object-fit:contain;
  filter:drop-shadow(0 10px 18px rgba(255,102,0,.12));
}
.phone-line{
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  height:8px;
  border-radius:999px;
  background:#dfe7f5;
  z-index:2;
}
.phone-line.one{top:61%; width:48%;}
.phone-line.two{top:67%; width:34%;}

.art-play{
  position:absolute;left:7%;top:24%;
  width:24%;aspect-ratio:1;border-radius:28%;
  background:linear-gradient(135deg,#8b5cff,#ff6ee5);
  color:#fff;display:grid;place-items:center;
  font-size:clamp(20px,5vw,30px);
  box-shadow:0 16px 32px rgba(128,84,255,.26);
  backdrop-filter: blur(4px);
}
.art-coin{
  position:absolute;z-index:3;
  width:18%;aspect-ratio:1;border-radius:50%;
  background:linear-gradient(135deg,#fff8bd,#ff9f20);
  display:grid;place-items:center;
  color:#fff;font-weight:950;font-size:clamp(18px,5vw,30px);
  box-shadow:0 14px 24px rgba(255,149,0,.28), inset 0 2px 6px rgba(255,255,255,.38);
}
.coin-a{right:8%;top:0}
.coin-b{left:5%;bottom:10%}
.orbit{
  position:absolute;border:3px solid rgba(219,79,255,.42);
  border-left-color:transparent;border-bottom-color:rgba(74,178,255,.28);
  border-radius:50%;transform:rotate(-18deg);
}
.orbit-one{right:-6%;top:37%;width:95%;height:24%}
.orbit-two{right:-10%;top:50%;width:110%;height:20%;opacity:.55}
.benefits{
  position:relative;z-index:5;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  margin-top:clamp(10px,3vw,24px);
}
.benefits div{text-align:center;padding:0 4px;border-right:1px solid rgba(47,75,114,.18)}
.benefits div:last-child{border-right:0}
.benefits img{width:clamp(48px,13vw,70px);height:clamp(48px,13vw,70px);margin:0 auto 9px;filter:drop-shadow(0 4px 10px rgba(90,61,180,.08))}
.benefits b{
  display:block;color:#07101E;font-size:clamp(15px,4.2vw,22px);line-height:1.1;font-weight:950;white-space:nowrap;
}
.benefits span{
  display:block;color:#53627A;font-size:clamp(11px,3.1vw,16px);line-height:1.2;margin-top:5px;font-weight:750;white-space:nowrap;
}
.card{
  position:relative;z-index:3;
  margin:0 clamp(14px,3.8vw,24px) 18px;
  padding:clamp(24px,6vw,34px) clamp(16px,4.5vw,28px);
  background:rgba(255,255,255,.97);
  border:1px solid var(--line);
  border-radius:clamp(24px,6vw,30px);
  box-shadow:var(--shadow);
}
.card h2{margin:0;text-align:center;font-size:clamp(40px,11vw,58px);line-height:1;font-weight:950}
.task{margin-top:-8px}
.task-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(8px,2.5vw,18px);
  margin-top:clamp(22px,5.5vw,30px);
}
.task-grid article{
  min-height:clamp(200px,54vw,242px);
  padding:clamp(18px,4.8vw,28px) 10px 18px;
  text-align:center;background:#fff;border:1px solid #E2EDFF;
  border-radius:clamp(18px,5vw,24px);
  box-shadow:0 10px 24px rgba(20,86,200,.08);
}
.task-grid img{width:clamp(54px,15vw,78px);height:clamp(54px,15vw,78px);margin:0 auto 14px}
.task-grid h3{margin:0 0 12px;color:#07101E;font-size:clamp(18px,5.2vw,30px);line-height:1.18;font-weight:950;letter-spacing:-.02em}
.task-grid p{margin:0;color:#4F5E76;font-size:clamp(13px,3.7vw,21px);line-height:1.4}
.notice{
  margin-top:clamp(22px,5.8vw,26px);
  min-height:clamp(84px,21vw,108px);
  padding:clamp(14px,3.6vw,18px) clamp(16px,4.2vw,24px);
  border-radius:clamp(18px,5vw,22px);
  background:linear-gradient(90deg,#FFF5D9,#FFE8AB);
  display:flex;
  align-items:center;
  justify-content:center;
  gap:clamp(10px,2.6vw,16px);
  color:#F05A12;
  overflow:hidden;
}
.notice img{
  width:clamp(38px,10vw,58px);
  height:clamp(38px,10vw,58px);
  flex:0 0 auto;
}
.notice span{
  display:block;
  font-size:clamp(20px,5.2vw,40px);
  line-height:1.05;
  font-weight:950;
  text-align:center;
  white-space:nowrap;
  letter-spacing:-.03em;
  margin:0;
}
.subtitle{margin:12px auto 20px;text-align:center;color:#58677D;font-size:clamp(16px,3.8vw,21px);line-height:1.5;max-width:17em;text-wrap:balance}
.reward-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.reward-list div{padding:16px 8px 18px;border:1px solid #DFEBFF;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbff);text-align:center;box-shadow:0 8px 18px rgba(20,86,200,.06)}
.reward-list b{display:block;color:#145CFF;font-size:clamp(18px,4.2vw,24px);line-height:1.1}
.reward-list span{display:block;margin-top:4px;color:#53627A;font-size:clamp(13px,3.2vw,16px);line-height:1.2}
.reward-list strong{display:block;margin-top:12px;color:#07101E;font-size:clamp(24px,5.4vw,32px);line-height:1.05;white-space:nowrap}
.tip{margin:18px auto 0;text-align:center;color:#344054;font-size:clamp(15px,3.6vw,19px);line-height:1.55;max-width:18em;text-wrap:balance}
.contact header h2{
  display:flex;
  align-items:flex-end;
  justify-content:center;
  gap:14px;
  flex-wrap:nowrap;
  white-space:nowrap;
}
.contact header h2 strong{color:#145CFF}
.contact header p{margin:10px 0 20px;text-align:center;color:#4734E7;font-size:clamp(17px,4.3vw,22px);font-weight:900}
.contact-panel{
  display:grid;grid-template-columns:1.02fr 1.38fr;gap:18px;align-items:center;
  padding:22px;border-radius:24px;color:#fff;
  background:linear-gradient(135deg,#155AFF 0%,#0142D6 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 18px 36px rgba(17,87,235,.22);
}
.qr-wrap{display:flex;justify-content:center}
.qr{width:min(100%,230px);aspect-ratio:1;object-fit:contain;margin:0 auto;padding:8px;border-radius:18px;background:#fff;box-shadow:0 10px 26px rgba(0,0,0,.12)}
.contact-copy{min-width:0}
.contact-copy h3{margin:0 0 8px;font-size:clamp(24px,5.1vw,40px);line-height:1.1;font-weight:950;white-space:nowrap;word-break:keep-all}
.contact-copy p{margin:0 0 10px;font-size:clamp(14px,3.2vw,20px);line-height:1.25;white-space:nowrap}
.service-id{
  display:block;
  width:100%;
  max-width:260px;
  margin-bottom:12px;
  padding:8px 14px;
  border-radius:999px;
  background:#F5F8FF;
  color:#184DE6;
  font-size:clamp(14px,3.1vw,20px);
  font-weight:950;
  white-space:nowrap;
  overflow:visible;
}
.cta{
  min-height:clamp(48px,10.8vw,66px);padding:0 16px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  color:#fff;background:linear-gradient(180deg,#FFC64A,#FF7417);
  box-shadow:0 8px 0 #DC5400,0 18px 32px rgba(255,108,0,.35);
  font-size:clamp(19px,4.5vw,34px);line-height:1;font-weight:950;white-space:nowrap;
  transition:transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.cta img{width:clamp(24px,6vw,36px);height:clamp(24px,6vw,36px)}
.cta:active{transform:translateY(4px);box-shadow:0 4px 0 #DC5400,0 10px 20px rgba(255,108,0,.28);filter:saturate(1.08)}
.footer-features{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  margin:0 clamp(14px,3.8vw,24px) 28px;
  background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow);
}
.footer-features div{padding:13px 3px;text-align:center;border-right:1px solid #E7EEF9}
.footer-features div:last-child{border-right:0}
.footer-features img{width:34px;height:34px;margin:0 auto 6px;filter:drop-shadow(0 3px 8px rgba(90,61,180,.08))}
.footer-features b{display:block;font-size:clamp(13px,3.4vw,18px);line-height:1.1;white-space:nowrap}
.footer-features span{display:block;margin-top:5px;color:#667085;font-size:clamp(10px,2.7vw,14px);line-height:1.25}
@media (max-width:390px){
  .hero{padding-left:16px;padding-right:16px;min-height:510px}
  .hero-inner{margin-top:28px;min-height:285px}
  .hero-copy{width:60%}
  .hero-art{right:-50px;width:205px;top:8px}
  .task-grid{gap:8px}
  .task-grid article{min-height:194px;padding:16px 8px 16px}
  .task-grid h3{font-size:18px;line-height:1.16}
  .task-grid p{font-size:12px;line-height:1.38}
  .reward-list{grid-template-columns:repeat(2,1fr);gap:10px}
  .reward-list div{padding:14px 8px 16px}
  .reward-list b{font-size:18px}
  .reward-list span{font-size:13px}
  .reward-list strong{font-size:26px}
  .notice{
    min-height:84px;
    padding:14px 12px;
    gap:8px;
  }
  .notice img{width:36px;height:36px}
  .notice span{
    font-size:18px;
    line-height:1.05;
    white-space:nowrap;
    max-width:none;
  }
  .contact header h2{
    gap:8px;
    font-size:34px;
    letter-spacing:-.03em;
  }
  .contact-panel{
    grid-template-columns:112px 1fr;
    gap:12px;
    padding:14px;
    border-radius:20px;
  }
  .qr{width:100%;max-width:112px;padding:6px;border-radius:12px}
  .contact-copy{text-align:left;min-width:0}
  .contact-copy h3{font-size:18px;margin-bottom:6px}
  .contact-copy p{font-size:12px;margin-bottom:8px}
  .service-id{max-width:none;font-size:11px;padding:7px 10px;margin-bottom:10px}
  .cta{min-height:42px;font-size:17px;padding:0 12px;box-shadow:0 6px 0 #DC5400,0 12px 22px rgba(255,108,0,.32)}
  .cta img{width:22px;height:22px}
  .reward-list{grid-template-columns:repeat(2,1fr)}
  .footer-features div{padding:10px 2px}
  .footer-features img{width:28px;height:28px}
  .footer-features b{font-size:12px}
  .footer-features span{font-size:10px}
}
@media (min-width:391px) and (max-width:760px){
  .contact header h2{
    gap:10px;
    font-size:clamp(36px,8.8vw,46px);
    letter-spacing:-.03em;
  }
  .contact-panel{
    grid-template-columns:132px 1fr;
    gap:14px;
    padding:16px;
    border-radius:22px;
  }
  .task-grid article{min-height:206px;padding:18px 9px 18px}
  .task-grid h3{font-size:clamp(19px,4.9vw,24px);line-height:1.16}
  .task-grid p{font-size:clamp(13px,3.1vw,16px);line-height:1.38}
  .reward-list{grid-template-columns:repeat(2,1fr);gap:12px}
  .reward-list div{padding:15px 10px 17px}
  .reward-list b{font-size:clamp(19px,4vw,22px)}
  .reward-list span{font-size:clamp(13px,2.8vw,15px)}
  .reward-list strong{font-size:clamp(26px,5vw,30px)}
  .notice{
    min-height:90px;
    padding:15px 16px;
    gap:10px;
  }
  .notice span{
    font-size:clamp(20px,5vw,30px);
    line-height:1.05;
    white-space:nowrap;
    max-width:none;
  }
  .qr{width:100%;max-width:132px;padding:7px;border-radius:14px}
  .contact-copy{text-align:left;min-width:0}
  .contact-copy h3{font-size:clamp(22px,5vw,28px);margin-bottom:6px}
  .contact-copy p{font-size:clamp(13px,3.2vw,17px);margin-bottom:9px}
  .service-id{max-width:none;font-size:clamp(13px,2.9vw,16px);padding:7px 12px;margin-bottom:10px}
  .cta{min-height:46px;font-size:clamp(18px,4.5vw,24px);padding:0 14px;box-shadow:0 7px 0 #DC5400,0 13px 24px rgba(255,108,0,.32)}
  .cta img{width:24px;height:24px}
  .footer-features div{padding:11px 2px}
  .footer-features img{width:30px;height:30px}
  .footer-features b{font-size:13px}
  .footer-features span{font-size:10px}
}
@media (min-width:761px){
  .page{max-width:980px}
  .hero{min-height:640px;padding:32px 34px 30px}
  .hero-inner{display:grid;grid-template-columns:1fr 400px;align-items:start;min-height:430px}
  .hero-copy{width:100%;max-width:560px}
  .hero-art{position:relative;right:auto;top:auto;width:390px;height:460px;justify-self:end}
  .benefits{max-width:690px;margin-top:-20px}
  .notice{
    display:flex;
    justify-content:center;
    gap:16px;
  }
  .notice span{
    max-width:none;
    font-size:40px;
    white-space:nowrap;
  }
  .contact header h2{font-size:58px}
  .benefits img{width:74px;height:74px}
  .benefits b{font-size:25px}.benefits span{font-size:18px}
  .card{margin-left:30px;margin-right:30px}
}