/* ============================================================
   ledger-wallet-app.css — Ledger Wallet App 下载页样式
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;background:#0a0820;color:#fff;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 48px}
/* .page-offset{padding-top:106px} */


/* ══ 星点背景 ══ */
.stars-bg{
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(55,48,212,.25) 0%,transparent 60%);
}

/* ══════════════════════════
   §1 Hero
══════════════════════════ */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  background: linear-gradient(180deg, #07051a 0%, #0c0830 30%, #17104a 60%, #2420a8 100%);
  padding-bottom: 0;
  margin-bottom: 0;
  
}
.hero::before{display:none;}

/* 星点装饰 */
.hero-stars{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.star{
  position:absolute;background:#fff;border-radius:50%;
  animation:twinkle 3s ease-in-out infinite;
}
@keyframes twinkle{0%,100%{opacity:.3;transform:scale(1)}50%{opacity:1;transform:scale(1.3)}}

.hero-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
  width:100%;
}

/* 左侧文字 */
.hero-text
.hero-eyebrow{
  font-size:13px;font-weight:600;
  color:#00e5c9;letter-spacing:.12em;
  text-transform:uppercase;margin-bottom:20px;
}
.hero-title{
  font-size:clamp(36px,4.5vw,68px);
  font-weight:900;line-height:1.1;
  color:#fff;margin-bottom:24px;
  letter-spacing:-.02em;
}
.hero-title span{color:#00e5c9}
.hero-desc{
  font-size:16px;color:rgba(255,255,255,.65);
  line-height:1.8;margin-bottom:40px;
  max-width:480px;
}

/* 下载按钮组 */
.dl-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn-android{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;
  background:linear-gradient(135deg,#00e5c9,#00b4a0);
  color:#fff;font-size:15px;font-weight:700;
  border-radius:999px;cursor:pointer;
  border:none;font-family:inherit;
  transition:transform .2s,box-shadow .2s;
  text-decoration:none;
}
.btn-android:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,229,201,.45)}
.btn-apple{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;
  background:rgba(255,255,255,.1);
  color:#fff;font-size:15px;font-weight:700;
  border-radius:999px;cursor:pointer;
  border:2px solid rgba(255,255,255,.25);font-family:inherit;
  transition:transform .2s,background .2s,border-color .2s;
  text-decoration:none;
  backdrop-filter:blur(8px);
}
.btn-apple:hover{transform:translateY(-2px);background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5)}
.btn-icon{font-size:20px;line-height:1}

/* 右侧图片 */
.hero-img-wrap{
  position:relative;
  display:flex;align-items:center;justify-content:center;
}
.hero-img-wrap img{
  width:100%;max-width:600px;
  object-fit:contain;
  filter:drop-shadow(0 30px 80px rgba(0,0,0,.5));
  animation:float 6s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}

/* ══════════════════════════
   §2 让成功更简单
══════════════════════════ */
.simple-section{
  position:relative;
  z-index:1;
  background: linear-gradient(180deg, #2420a8 0%, #2e28b8 30%, #3730d4 100%);
  padding:100px 0;
  overflow:hidden;
  margin-top:0;
}
/* .simple-section::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 50% at 50% 0%,rgba(255,255,255,.04) 0%,transparent 60%);
} */
.simple-section::before{display:none;}

.section-hdr{text-align:center;margin-bottom:72px;position:relative;z-index:1}
.section-hdr h2{
  font-size:clamp(28px,4vw,52px);
  font-weight:900;color:#fff;
  margin-bottom:16px;letter-spacing:-.02em;
}
.section-hdr p{
  font-size:15px;color:rgba(255,255,255,.65);
  max-width:640px;margin:0 auto;line-height:1.8;
}

/* 左文右图 */
.feature-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:80px;align-items:center;
  position:relative;z-index:1;
}
.feature-block.reverse .feat-text{order:2}
.feature-block.reverse .feat-img{order:1}

.feat-eyebrow{
  font-size:12px;font-weight:700;
  color:#00e5c9;letter-spacing:.1em;
  text-transform:uppercase;margin-bottom:14px;
}
.feat-title{
  font-size:clamp(24px,3vw,40px);
  font-weight:900;color:#fff;
  line-height:1.2;margin-bottom:18px;
  letter-spacing:-.01em;
}
.feat-desc{
  font-size:15px;color:rgba(255,255,255,.65);
  line-height:1.85;
}
.feat-img{
  display:flex;align-items:center;justify-content:center;
  position:relative;
}
.feat-img::before{
  content:'';position:absolute;
  width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,201,.15) 0%,rgba(55,48,212,.1) 50%,transparent 70%);
  pointer-events:none;
}
.feat-img img{
  max-height:480px;width:100%;
  object-fit:contain;position:relative;z-index:1;
  filter:drop-shadow(0 20px 50px rgba(0,0,0,.4));
}

/* ══════════════════════════
   §3 兑换与交易 + 行情追踪
══════════════════════════ */
.trade-section{
  position:relative;z-index:1;
  background:#3730d4;
  padding:100px 0;overflow:hidden;
}
.trade-section::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(ellipse 60% 40% at 10% 50%,rgba(255,255,255,.04) 0%,transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 50%,rgba(0,0,0,.1) 0%,transparent 60%);
}

.trade-grid{
  display:flex;flex-direction:column;gap:100px;
  position:relative;z-index:1;
}
.trade-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:80px;align-items:center;
}
.trade-row.reverse .trade-text{order:2}
.trade-row.reverse .trade-img{order:1}

.trade-eyebrow{
  font-size:12px;font-weight:700;
  color:#00e5c9;letter-spacing:.1em;
  text-transform:uppercase;margin-bottom:14px;
}
.trade-title{
  font-size:clamp(24px,3vw,40px);
  font-weight:900;color:#fff;
  line-height:1.2;margin-bottom:18px;
}
.trade-desc{
  font-size:15px;color:rgba(255,255,255,.7);
  line-height:1.85;
}
.trade-img{
  display:flex;align-items:center;justify-content:center;
  position:relative;
}
.trade-img::before{
  content:'';position:absolute;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,201,.12) 0%,rgba(55,48,212,.08) 50%,transparent 70%);
  pointer-events:none;
}
.trade-img img{
  max-height:460px;width:100%;
  object-fit:contain;position:relative;z-index:1;
  filter:drop-shadow(0 20px 50px rgba(0,0,0,.35));
}

/* ══════════════════════════
   §4 无限资产 — 深色卡片
══════════════════════════ */
.assets-section{
  position:relative;z-index:1;
  background:linear-gradient(180deg,#3730d4 0%,#1a0f50 40%,#0d0a2e 100%);
  padding:100px 0;overflow:hidden;
}
.assets-card{
  background:linear-gradient(135deg,rgba(255,255,255,.04),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  border-radius:24px;padding:72px 60px;
  position:relative;overflow:hidden;
}
.assets-card::before{
  content:'';position:absolute;
  top:-80px;left:50%;transform:translateX(-50%);
  width:160px;height:160px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,201,.2) 0%,transparent 70%);
}

/* 顶部小图标 */
.assets-top-icon{
  display:flex;justify-content:center;margin-bottom:28px;
}
.assets-top-icon img{
  width:80px;height:80px;object-fit:contain;
  filter:drop-shadow(0 8px 24px rgba(0,229,201,.3));
}

.assets-hdr{text-align:center;margin-bottom:60px}
.assets-hdr h2{
  font-size:clamp(26px,3.5vw,44px);
  font-weight:900;color:#fff;
  letter-spacing:-.02em;
}

/* 4图标网格 */
.assets-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:40px;
}
.asset-item{text-align:center}
.asset-item img{
  width:80px;height:80px;
  object-fit:contain;margin:0 auto 20px;
  filter:drop-shadow(0 8px 24px rgba(55,48,212,.4));
  transition:transform .3s ease;
}
.asset-item:hover img{transform:translateY(-6px) scale(1.05)}
.asset-item p{
  font-size:13px;color:rgba(255,255,255,.6);
  line-height:1.7;
}

/* ══════════════════════════
   §5 探索DApp
══════════════════════════ */
.dapp-section{
  position:relative;z-index:1;
  background:#0d0a2e;
  padding:100px 0;overflow:hidden;
}
.dapp-section::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 80% 50% at 50% 50%,rgba(55,48,212,.15) 0%,transparent 65%);
}

.dapp-hdr{text-align:center;margin-bottom:56px;position:relative;z-index:1}
.dapp-hdr h2{font-size:clamp(26px,3.5vw,44px);font-weight:900;color:#fff;margin-bottom:14px}
.dapp-hdr p{font-size:15px;color:rgba(255,255,255,.6);max-width:680px;margin:0 auto;line-height:1.8}

/* 3图网格 */
.dapp-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;position:relative;z-index:1;
}
.dapp-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:20px;overflow:hidden;
  transition:transform .3s,border-color .3s;
}
.dapp-card:hover{transform:translateY(-6px);border-color:rgba(55,48,212,.4)}
.dapp-card-img{
  width:100%;aspect-ratio:9/16;max-height:360px;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;background:rgba(55,48,212,.1);padding:24px;
}
.dapp-card-img img{
  width:100%;height:100%;object-fit:contain;
  filter:drop-shadow(0 12px 32px rgba(0,0,0,.4));
}
.dapp-card-body{padding:24px}
.dapp-card-tag{
  font-size:11px;font-weight:700;
  color:#00e5c9;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:8px;
}
.dapp-card-title{
  font-size:18px;font-weight:800;color:#fff;
  margin-bottom:10px;
}
.dapp-card-desc{font-size:13px;color:rgba(255,255,255,.55);line-height:1.7}

/* ══════════════════════════
   §6 底部CTA
══════════════════════════ */
.cta-section{
  position:relative;z-index:1;
  background:linear-gradient(180deg,#0d0a2e 0%,#110e3a 50%,#1a1060 100%);
  padding:120px 0;text-align:center;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 60% at 50% 50%,rgba(55,48,212,.2) 0%,transparent 65%);
}
.cta-logo-img{
  width:100px;height:100px;
  object-fit:contain;margin:0 auto 28px;
  filter:drop-shadow(0 8px 28px rgba(0,229,201,.3));
  position:relative;z-index:1;
}
.cta-title{
  font-size:clamp(28px,4vw,52px);
  font-weight:900;color:#fff;
  margin-bottom:14px;position:relative;z-index:1;
}
.cta-desc{
  font-size:15px;color:rgba(255,255,255,.6);
  margin-bottom:40px;position:relative;z-index:1;
}
.cta-btns{
  display:flex;justify-content:center;gap:16px;flex-wrap:wrap;
  position:relative;z-index:1;
}

/* ══════════════════════════
   Footer
══════════════════════════ */
.footer{background:#090720;border-top:1px solid rgba(255,255,255,.06);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-desc{font-size:13px;color:rgba(255,255,255,.45);line-height:1.8;margin:12px 0 20px;max-width:230px}
.footer-socials{display:flex;gap:10px}
.footer-soc{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:14px;cursor:pointer;transition:background .2s}
.footer-soc:hover{background:rgba(255,255,255,.14)}
.footer-col-h{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:13px;color:rgba(255,255,255,.45);transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-bot{border-top:1px solid rgba(255,255,255,.06);padding-top:22px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-copy{font-size:12px;color:rgba(255,255,255,.3)}
.footer-legal{display:flex;gap:16px}
.footer-legal a{font-size:12px;color:rgba(255,255,255,.3);transition:color .2s}
.footer-legal a:hover{color:rgba(255,255,255,.65)}

/* ══ 响应式 ══ */
@media(max-width:960px){
  .hero{padding-top:120px;align-items:flex-start}
  .hero-inner{grid-template-columns:1fr;gap:48px;text-align:center}
  .hero-desc{margin:0 auto 40px}
  .dl-btns{justify-content:center}
  .feature-block{grid-template-columns:1fr;gap:40px}
  .feature-block.reverse .feat-text{order:1}
  .feature-block.reverse .feat-img{order:2}
  .trade-row{grid-template-columns:1fr;gap:40px}
  .trade-row.reverse .trade-text{order:1}
  .trade-row.reverse .trade-img{order:2}
  .assets-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .dapp-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:600px){
  .container{padding:0 20px}
  .assets-card{padding:48px 24px}
  .assets-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-grid{grid-template-columns:1fr}
  .dl-btns{flex-direction:column;align-items:center}
}