:root{
    --bg:#e9f6ef;
    --bg2:#f6fbf8;
    --card:#ffffff;
    --text:#123a2e;
    --text2:#4f6f65;
    --text3:#7c978d;
    --line:#dcede6;
    --grad-a:linear-gradient(135deg,#0A2A5E,#1E5BFF);
    --grad-b:linear-gradient(135deg,#00c2c7,#009e9c);
    --grad-c:linear-gradient(135deg,#00c48c,#0db383);
    --shadow:0 10px 30px rgba(0,140,100,.10);
  }
  *{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
  html{scroll-behavior:smooth}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 26%,var(--bg2) 100%);
    color:var(--text);
    line-height:1.6;
    font-size:15px;
  }
  .wrap{margin:0 auto;padding:0 16px 40px}
  /* 顶部Banner图片位 */
.top-banner-img {
    width: 100%;
     height:auto;
    border-radius: 20px;
    overflow: hidden;
    margin: 20px 0;
    background: #eef2f8;
    border: 2px dashed #ccd6e0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 16px;
}
@media (max-width: 768px) {
    .top-banner-img { height: 140px; }
}

  /* ===== 顶部 ===== */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(246,251,248,.88);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(220,237,230,.9);
  }
  .nav{margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:10px}
  .logo{
    width:34px;height:34px;border-radius:10px;background:var(--grad-a);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    box-shadow:0 4px 12px rgba(0,168,110,.28);
  }
  .logo svg{width:18px;height:18px}
  .brand{font-weight:700;font-size:16px;letter-spacing:.5px}
  .brand small{display:block;font-weight:400;font-size:11px;color:var(--text3);letter-spacing:0}
  .nav-tip{margin-left:auto;font-size:11px;color:#0a8f66;background:rgba(0,176,120,.10);border:1px solid rgba(0,176,120,.20);padding:4px 10px;border-radius:999px;white-space:nowrap}

  /* ===== 首屏（紧凑，直接露卡片） ===== */
  .hero{padding:14px 0 2px;text-align:center}
  .hero-badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:11.5px;color:#0a8f66;background:#fff;
    border:1px solid var(--line);border-radius:999px;
    padding:4px 12px;box-shadow:var(--shadow);margin-bottom:9px;
  }
  .hero-badge .dot{width:6px;height:6px;border-radius:50%;background:#00b578;box-shadow:0 0 0 3px rgba(0,181,120,.16)}
  h1{font-size:21px;line-height:1.3;font-weight:800;letter-spacing:.5px}
  h1 .g{background:var(--grad-a);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
  .hero-sub{margin:8px auto 0;color:var(--text2);font-size:12.5px}
  .hero-sub em{font-style:normal;color:var(--text3)}

  /* ===== 应用列表 ===== */
  .apps{padding:12px 0 0}
  .sec-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;margin-bottom:10px}
  .sec-title::before{content:"";width:4px;height:17px;border-radius:2px;background:var(--grad-a)}
  .app-card{
    display:block;background:var(--card);border-radius:20px;
    border:1px solid var(--line);box-shadow:var(--shadow);
    padding:16px 16px 14px;margin-bottom:13px;
    text-decoration:none;color:inherit;
    transition:transform .2s ease,box-shadow .2s ease;
    position:relative;overflow:hidden;
  }
  .app-card:active{transform:scale(.985)}
  @media (hover:hover){.app-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,150,110,.15)}}
  .app-card.top1{border:1.5px solid rgba(0,180,120,.45)}
  /* 卡片渐入动画 */
  @keyframes cardIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
  .app-card{animation:cardIn .5s ease both}
  .app-card:nth-child(1){animation-delay:.02s}.app-card:nth-child(2){animation-delay:.07s}
  .app-card:nth-child(3){animation-delay:.12s}.app-card:nth-child(4){animation-delay:.17s}
  .app-card:nth-child(5){animation-delay:.22s}.app-card:nth-child(6){animation-delay:.27s}
  .app-card:nth-child(7){animation-delay:.32s}.app-card:nth-child(8){animation-delay:.37s}
  .app-card:nth-child(9){animation-delay:.42s}.app-card:nth-child(10){animation-delay:.47s}
  /* 下载按钮呼吸微光 */
  @keyframes pulseGlow{0%,100%{filter:brightness(1)}50%{filter:brightness(1.09)}}
  .dl-btn{animation:pulseGlow 2.6s ease-in-out infinite}
  .app-head{display:flex;gap:13px;align-items:flex-start}
  .app-ico{
    width:58px;height:58px;border-radius:18px;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;
    color:#fff;font-size:23px;font-weight:800;letter-spacing:0;
    box-shadow:0 6px 16px rgba(0,120,90,.25),inset 0 1px 0 rgba(255,255,255,.35),inset 0 -6px 12px rgba(0,0,0,.12);
    position:relative;overflow:hidden;
    text-shadow:0 2px 4px rgba(0,0,0,.18);
  }
  .app-ico::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(130% 90% at 28% 0%,rgba(255,255,255,.5),rgba(255,255,255,0) 55%);
  }
  .rank{
    position:absolute;top:13px;right:13px;
    font-size:11px;font-weight:800;color:#4f6f65;
    background:#eaf6f0;border-radius:8px;padding:3px 9px;letter-spacing:.5px;
  }
  .rank.hot{background:var(--grad-a);color:#fff;box-shadow:0 4px 10px rgba(0,168,110,.32)}
  .app-info{flex:1;min-width:0;padding-right:54px}
  .app-name{font-size:17px;font-weight:800;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
  .vtag{
    font-size:10px;font-weight:700;color:#00926b;
    background:rgba(0,168,110,.10);padding:2px 7px;border-radius:6px;letter-spacing:0;
  }
  .app-desc{font-size:12.5px;color:var(--text2);margin-top:5px;line-height:1.55}
  .chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}
  .chip{
    font-size:11px;color:#4f6f65;background:#eef7f2;
    border:1px solid #dfeee7;border-radius:999px;padding:2px 9px;
  }
  .dl-btn{
    display:flex;align-items:center;justify-content:center;gap:8px;
    margin-top:13px;width:200px;padding:13px 0;border-radius:14px;
    background:var(--dl-bg,var(--grad-a));color:#fff;text-decoration:none;
    font-size:15.5px;font-weight:700;letter-spacing:2px;
    box-shadow:0 6px 14px var(--dl-shadow,rgba(0,160,110,.30)),inset 0 1px 0 rgba(255,255,255,.30),inset 0 -3px 6px rgba(0,0,0,.12);
    transition:transform .15s ease,box-shadow .15s ease;
    position:relative;overflow:hidden;
    text-shadow:0 1px 2px rgba(0,0,0,.15);
  }
  .dl-btn:active{transform:scale(.97)}
  .dl-btn svg{width:17px;height:17px;flex-shrink:0}
  .dl-sub{margin-top:7px;text-align:center;font-size:11px;color:var(--text3)}

  /* ===== FAQ ===== */
  .faq{padding:26px 0 0}
  details{
    background:var(--card);border:1px solid var(--line);border-radius:14px;
    margin-bottom:10px;overflow:hidden;
  }
  summary{
    list-style:none;cursor:pointer;padding:14px 44px 14px 16px;
    font-size:14.5px;font-weight:700;position:relative;user-select:none;
  }
  summary::-webkit-details-marker{display:none}
  summary::after{
    content:"";position:absolute;right:16px;top:50%;width:9px;height:9px;
    border-right:2px solid #8fa79e;border-bottom:2px solid #8fa79e;
    transform:translateY(-70%) rotate(45deg);transition:transform .2s;
  }
  details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
  details .ans{padding:0 16px 15px;font-size:13px;color:var(--text2);line-height:1.7}

  /* ===== 底部 ===== */
  footer{padding:28px 0 20px;text-align:center}
  .disclaim{
    background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:16px;
    padding:16px;text-align:left;font-size:11.5px;color:var(--text3);line-height:1.8;
  }
  .disclaim b{color:#4f6f65;font-size:12px}
  .foot-brand{display:flex;flex-direction:column;align-items:center;margin-top:26px}
  .foot-logo{
    width:36px;height:36px;border-radius:10px;background:var(--grad-a);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 10px rgba(0,168,110,.25);margin-bottom:8px;
  }
  .foot-logo svg{width:17px;height:17px}
  .foot-name{font-size:14px;font-weight:700;color:#2c5448;letter-spacing:1.5px}
  .foot-slogan{font-size:11px;color:var(--text3);letter-spacing:.5px;margin-top:2px}
  .foot-line{width:52px;height:3px;border-radius:2px;background:var(--grad-a);margin:16px auto 0;opacity:.65}
  .copy{margin-top:14px;font-size:11px;color:#9cb5ab;letter-spacing:.5px}
  .copy-sub{margin-top:5px;font-size:10.5px;color:#b0c3ba;letter-spacing:.3px}

  /* ===== 底部悬浮CTA ===== */
  .float-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:60;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:rgba(14,40,33,.92);
    backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    display:flex;align-items:center;gap:10px;
    transform:translateY(0);transition:transform .25s ease;
  }
  .fb-ico{
    width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#ff7a59,#f0452f);
    display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:16px;flex-shrink:0;
  }
  .fb-txt{flex:1;min-width:0;color:#fff}
  .fb-txt b{display:block;font-size:13px}
  .fb-txt span{font-size:11px;color:#a9c7bc;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .fb-btn{
    flex-shrink:0;background:linear-gradient(135deg,#ff7a59,#f0452f);color:#fff;text-decoration:none;
    font-size:14px;font-weight:700;padding:10px 18px;border-radius:11px;letter-spacing:1px;
    box-shadow:0 6px 14px rgba(240,69,47,.38);
  }
  .fb-close{
    position:absolute;top:-12px;right:10px;width:26px;height:26px;border-radius:50%;
    background:#fff;color:#4f6f65;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;font-size:14px;cursor:pointer;
    box-shadow:0 3px 8px rgba(0,0,0,.12);line-height:1;z-index:2;
  }
  .fb-close::after{
    content:"";position:absolute;left:-9px;top:-9px;right:-9px;bottom:-9px;
  }
  .pad-bottom{height:76px}