:root{
  --bg: #F6F7F3;
  --card: #ffffff;
  --text: #2F3135;
  --muted: #8E939A;
  --outline: #E4E7EB;
  --primary: #19C15A;
  --primarySoft: #E9F9EF;
  --coral: #FF8B7B;
  --blue: #73A8F7;
  --lavender: #CFAEFF;
  --shadow: 0 18px 50px rgba(0,0,0,.08);
  --shadow2: 0 10px 30px rgba(0,0,0,.06);
  --radius: 20px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1000px 500px at 12% 0%, rgba(25,193,90,.10), transparent 60%),
    radial-gradient(900px 600px at 96% 8%, rgba(115,168,247,.12), transparent 60%),
    var(--bg);
}

a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}

.container{max-width:1120px; margin:0 auto; padding:0 22px}
.section{padding:64px 0}

.topbar{
  position:sticky; top:0; z-index:20;
  backdrop-filter:saturate(1.2) blur(14px);
  background:rgba(246,247,243,.72);
  border-bottom:1px solid rgba(228,231,235,.8);
}
.topbar-inner{display:flex; align-items:center; justify-content:space-between; padding:14px 0}
.brand{display:flex; align-items:center; gap:10px}
.brand-badge{
  width:36px; height:36px; border-radius:12px;
  background:linear-gradient(135deg, #fff, rgba(207,174,255,.25));
  border:1px solid rgba(255,255,255,.7);
  box-shadow:0 10px 26px rgba(207,174,255,.18);
  display:grid; place-items:center;
}
.brand-badge img{width:22px; height:22px}
.brand-name{font-weight:800; letter-spacing:.3px}
.nav{display:flex; align-items:center; gap:16px}
.nav a{color:var(--muted); font-weight:600; font-size:14px; padding:10px 10px; border-radius:12px}
.nav a:hover{background:rgba(255,255,255,.75); color:var(--text)}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  border:1px solid var(--outline);
  background:rgba(255,255,255,.86);
  padding:12px 16px;
  border-radius:999px;
  font-weight:700;
  color:var(--text);
  box-shadow:0 10px 26px rgba(0,0,0,.05);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn[aria-disabled="true"]{opacity:.62; pointer-events:none}
.btn-primary{
  background:linear-gradient(135deg, rgba(25,193,90,.98), rgba(25,193,90,.85));
  border-color:rgba(25,193,90,.32);
  color:#fff;
}
.btn-ghost{background:transparent}
.btn-row{display:flex; gap:12px; flex-wrap:wrap}

.hero{
  padding:56px 0 26px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:28px;
  align-items:center;
}
.kicker{
  display:inline-flex; align-items:center; gap:10px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.78);
  border:1px solid rgba(228,231,235,.9);
  color:var(--muted);
  font-weight:700;
  font-size:13px;
}
.dot{
  width:8px; height:8px; border-radius:999px;
  background:var(--primary);
  box-shadow:0 0 0 6px rgba(25,193,90,.12);
}
.hero h1{
  margin:14px 0 10px;
  font-size:44px;
  line-height:1.08;
  letter-spacing:-.4px;
}
.hero p{
  margin:0 0 18px;
  font-size:16px;
  line-height:1.7;
  color:var(--muted);
}
.hero-note{
  margin-top:16px;
  color:rgba(142,147,154,.95);
  font-size:13px;
}

.hero-card{
  background:linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.66));
  border:1px solid rgba(228,231,235,.9);
  border-radius:28px;
  box-shadow: var(--shadow);
  padding:16px;
}
.device{
  border-radius:24px;
  overflow:hidden;
  border:1px solid rgba(228,231,235,.95);
  box-shadow: var(--shadow2);
  background:#fff;
}
.device img{
  width:100%;
  height:auto;
}

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.card{
  background:rgba(255,255,255,.88);
  border:1px solid rgba(228,231,235,.95);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: 0 16px 46px rgba(0,0,0,.05);
}
.card h3{margin:0 0 10px; font-size:16px}
.card p{margin:0; color:var(--muted); line-height:1.65; font-size:14px}
.tag{
  display:inline-flex; align-items:center; gap:8px;
  font-size:12px; font-weight:800; letter-spacing:.2px;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(228,231,235,.9);
  background:rgba(255,255,255,.86);
  color:var(--text);
  margin-bottom:12px;
}
.tag .pill{width:10px; height:10px; border-radius:999px}
.pill.primary{background:var(--primary)}
.pill.lavender{background:var(--lavender)}
.pill.coral{background:var(--coral)}
.pill.blue{background:var(--blue)}

.section-title{
  display:flex; align-items:flex-end; justify-content:space-between; gap:18px;
  margin-bottom:16px;
}
.section-title h2{margin:0; font-size:28px; letter-spacing:-.3px}
.section-title p{margin:0; color:var(--muted); font-size:14px; line-height:1.6; max-width:560px}

.shots{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:12px;
}
.shot{
  border-radius:22px;
  overflow:hidden;
  border:1px solid rgba(228,231,235,.95);
  box-shadow: 0 16px 44px rgba(0,0,0,.06);
  background:#fff;
  cursor:zoom-in;
  position:relative;
  padding:0;
  text-align:left;
  appearance:none;
}
.shot::after{
  content:"点击放大";
  position:absolute;
  left:12px; bottom:12px;
  font-size:12px;
  padding:7px 10px;
  border-radius:999px;
  color:rgba(255,255,255,.92);
  background:rgba(47,49,53,.55);
  backdrop-filter: blur(10px);
}
.shot img{width:100%; height:auto}

.cta{
  background:linear-gradient(135deg, rgba(25,193,90,.15), rgba(115,168,247,.12));
  border:1px solid rgba(25,193,90,.18);
  border-radius:28px;
  padding:22px;
  box-shadow: var(--shadow);
}
.cta-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:16px;
  align-items:center;
}
.cta h3{margin:0 0 8px; font-size:22px}
.cta p{margin:0; color:var(--muted); line-height:1.7; font-size:14px}
.cta-mini{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.badge{
  padding:10px 12px;
  border-radius:18px;
  background:rgba(255,255,255,.78);
  border:1px solid rgba(228,231,235,.95);
  color:var(--muted);
  font-weight:800;
  font-size:12px;
}

.faq{display:grid; grid-template-columns: 1fr 1fr; gap:12px}
.faq details{
  background:rgba(255,255,255,.88);
  border:1px solid rgba(228,231,235,.95);
  border-radius:18px;
  padding:14px 16px;
  box-shadow: 0 16px 44px rgba(0,0,0,.05);
}
.faq summary{cursor:pointer; font-weight:800}
.faq p{margin:10px 0 0; color:var(--muted); line-height:1.7; font-size:14px}

.footer{
  padding:30px 0 46px;
  color:rgba(142,147,154,.95);
  font-size:13px;
}
.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  border-top:1px solid rgba(228,231,235,.9);
  padding-top:18px;
}
.footer a{color:rgba(47,49,53,.92); font-weight:700}
.footer a:hover{text-decoration:underline}

.modal{
  position:fixed; inset:0;
  display:none;
  align-items:center; justify-content:center;
  padding:24px;
  background:rgba(17,18,20,.72);
  z-index:100;
}
.modal[aria-hidden="false"]{display:flex}
.modal-card{
  width:min(980px, 92vw);
  max-height:88vh;
  background:#fff;
  border-radius:22px;
  overflow:hidden;
  border:1px solid rgba(228,231,235,.9);
  box-shadow:0 30px 90px rgba(0,0,0,.25);
}
.modal-top{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 14px;
  border-bottom:1px solid rgba(228,231,235,.9);
  background:rgba(246,247,243,.76);
}
.modal-title{font-weight:900}
.icon-btn{
  border:1px solid rgba(228,231,235,.95);
  background:#fff;
  border-radius:12px;
  padding:8px 10px;
  cursor:pointer;
  font-weight:900;
}
.modal-img{
  width:100%;
  height:auto;
  display:block;
}

@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr; gap:18px}
  .grid-3{grid-template-columns: 1fr}
  .shots{grid-template-columns: repeat(2, 1fr)}
  .cta-grid{grid-template-columns: 1fr}
  .cta-mini{justify-content:flex-start}
  .faq{grid-template-columns: 1fr}
  .hero h1{font-size:38px}
}

@media (max-width: 520px){
  .nav{display:none}
  .shots{grid-template-columns: 1fr}
  .hero h1{font-size:34px}
}