:root{
  --primary:#FF4D8D;
  --primary-dark:#E62E7B;
  --primary-soft:#FFEAF3;
  --deep:#241B33;
  --deep-2:#1A1329;
  --border:#FFE1EC;
  --bg:#FFF8FB;
  --card:#FFFFFF;
  --text:#2A2340;
  --muted:#6E6580;
  --star:#FFB400;
  --ok:#1FA36B;
  --no:#E5533D;
  --mid:#9B90AC;
  --radius:16px;
  --shadow:0 14px 30px rgba(255,77,141,.14);
  --nav-h:64px;
  --font:"PingFang SC","Microsoft YaHei","Segoe UI",-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-white{background:#fff}
.sec-head{text-align:center;margin-bottom:48px}
.sec-tag{display:inline-block;padding:5px 14px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-size:13px;font-weight:600;margin-bottom:14px}
.sec-title{font-size:32px;font-weight:800;letter-spacing:.5px}
.sec-sub{color:var(--muted);margin-top:12px;font-size:15.5px}

.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 6px 20px rgba(36,27,51,.08)}
.nav-inner{max-width:1200px;height:100%;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#B04DFF);color:#fff;font-size:17px;font-weight:800;display:flex;align-items:center;justify-content:center;flex:none}
.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-links a{padding:8px 12px;border-radius:8px;font-size:14.5px;color:#4A4260;font-weight:500;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--primary-dark);background:var(--primary-soft)}
.nav-btn{font-size:13px;font-weight:700;padding:7px 15px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;white-space:nowrap;box-shadow:0 6px 16px rgba(255,77,141,.28);transition:transform .2s,box-shadow .2s}
.nav-btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,77,141,.36)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:999px;font-weight:700;text-align:center;transition:transform .25s,box-shadow .25s}
.btn-lg{padding:15px 34px;font-size:15.5px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 10px 24px rgba(255,77,141,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,77,141,.4)}
.btn-ghost{background:#fff;color:var(--primary-dark);border:1.5px solid var(--border)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 10px 22px rgba(255,77,141,.14)}

.hero{position:relative;overflow:hidden;padding:calc(var(--nav-h) + 72px) 0 80px}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 400px at 85% 18%,rgba(255,77,141,.12),transparent 60%),radial-gradient(500px 380px at 6% 88%,rgba(176,77,255,.10),transparent 60%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--primary-soft);border:1px solid var(--border);color:var(--primary-dark);font-size:13px;font-weight:600}
.hero h1{font-size:44px;line-height:1.22;font-weight:800;margin-top:18px}
.ver{display:inline-block;margin-left:10px;padding:4px 12px;border-radius:999px;background:linear-gradient(135deg,var(--primary),#B04DFF);color:#fff;font-size:15px;font-weight:700;letter-spacing:.5px;vertical-align:middle}
.hero-desc{color:var(--muted);font-size:17px;margin:20px 0 34px;max-width:560px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-pic{display:flex;justify-content:center;position:relative}
.hero-pic img{width:min(400px,100%);aspect-ratio:2/3;object-fit:cover;border-radius:24px;box-shadow:0 24px 60px rgba(230,46,123,.25)}
.hero-chip{position:absolute;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600;box-shadow:0 8px 20px rgba(36,27,51,.10)}
.hero-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:none}
.hero-chip.chip2 .dot{background:var(--primary)}
.chip1{left:-18px;top:14%}
.chip2{right:-14px;bottom:12%}

.works-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.work-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s}
.work-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.work-card img{width:100%;height:auto}
.work-cap{padding:14px 16px;font-size:14.5px;font-weight:600}

.product-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.product-copy .sec-title{text-align:left}
.product-copy>p{color:var(--muted);margin:16px 0;font-size:15.5px}
.product-list{margin-top:22px;display:grid;gap:14px}
.product-list li{display:flex;gap:12px;align-items:flex-start;font-weight:500}
.tick{flex:none;width:22px;height:22px;border-radius:50%;background:var(--primary-soft);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:2px}
.phone{width:272px;margin:0 auto;background:var(--deep);border-radius:30px;padding:10px;box-shadow:0 26px 60px rgba(36,27,51,.28)}
.phone-screen{background:linear-gradient(160deg,#FF4D8D,#B04DFF);border-radius:22px;padding:18px;color:#fff;min-height:500px}
.phone-top{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:700}
.phone-covers{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.pc{aspect-ratio:3/4;border-radius:10px;display:flex;align-items:flex-end;padding:6px;font-size:10px;font-weight:700;opacity:.95}
.pc1{background:linear-gradient(160deg,#FF9EC4,#FF4D8D)}
.pc2{background:linear-gradient(160deg,#B89CFF,#7A5CFF)}
.pc3{background:linear-gradient(160deg,#7ED0FF,#3D9BFF)}
.pc4{background:linear-gradient(160deg,#FFC38F,#FF8A4D)}
.pc5{background:linear-gradient(160deg,#7FE0C6,#2FBFA0)}
.pc6{background:linear-gradient(160deg,#FF8FB0,#E62E7B)}
.phone-foot{margin-top:18px;font-size:11px;opacity:.9;padding-top:12px;border-top:1px solid rgba(255,255,255,.25)}

.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.f-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;transition:transform .3s,box-shadow .3s}
.f-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.f-icon{width:52px;height:52px;border-radius:14px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.f-icon svg{width:26px;height:26px;stroke:var(--primary-dark);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.f-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.f-card p{font-size:14.5px;color:var(--muted)}

.compare-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--card)}
.compare{width:100%;min-width:620px;border-collapse:collapse;font-size:14.5px}
.compare th,.compare td{padding:16px 14px;text-align:center;border-bottom:1px solid var(--border)}
.compare thead th{font-size:15px;font-weight:700;color:var(--text)}
.compare th:first-child,.compare td:first-child{text-align:left;color:var(--muted);white-space:nowrap;width:120px}
.compare tr:last-child td{border-bottom:none}
.compare .hot{background:var(--primary-soft);position:relative}
.compare .hot th,.compare .hot td{border-left:1px solid var(--border);border-right:1px solid var(--border)}
.badge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:11px;font-weight:700;padding:3px 12px;border-radius:999px;white-space:nowrap}
.ok{color:var(--ok);font-weight:600}
.no{color:var(--no);font-weight:600}
.mid{color:var(--mid)}

.data{background:linear-gradient(150deg,var(--deep),var(--deep-2));color:#fff}
.data .sec-title{color:#fff}
.data .sec-sub{color:#B8AFCD}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.data-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:34px 16px;transition:transform .3s,box-shadow .3s}
.data-item:hover{transform:translateY(-6px);box-shadow:0 16px 34px rgba(0,0,0,.28)}
.data-num{font-size:38px;font-weight:800;background:linear-gradient(90deg,#FF9FB9,#FF4D8D);-webkit-background-clip:text;background-clip:text;color:transparent}
.data-label{margin-top:8px;color:#CFC6E0;font-size:14.5px}

.reviews-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:transform .3s,box-shadow .3s}
.review:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.review-top{display:flex;align-items:center;gap:14px}
.avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#B04DFF);color:#fff;font-size:19px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none}
.r-name{font-weight:700;font-size:15.5px}
.r-stars{color:var(--star);font-size:13.5px;letter-spacing:2px;margin-top:2px}
.review p{margin-top:14px;color:var(--muted);font-size:14.5px;line-height:1.75}

.version-card{max-width:880px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:calc(var(--radius) + 4px);padding:36px 40px;box-shadow:0 10px 30px rgba(255,77,141,.08)}
.ver-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-bottom:22px;border-bottom:1px solid var(--border)}
.ver-no{display:flex;align-items:center;gap:12px}
.ver-no strong{font-size:30px;font-weight:800;background:linear-gradient(90deg,var(--primary),#B04DFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.ver-tag{font-size:12px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark));padding:4px 12px;border-radius:999px}
.ver-date{color:var(--muted);font-size:14.5px}
.changelog{padding-top:20px;display:grid;gap:12px}
.changelog li{display:flex;gap:12px;font-size:15px;color:#453C5C;line-height:1.7}
.changelog li::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--primary);margin-top:9px}

.faq-list{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:box-shadow .3s,border-color .3s}
.faq-item.open{box-shadow:var(--shadow);border-color:var(--primary)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:none;border:none;text-align:left;font-size:15.5px;font-weight:700;color:var(--text);transition:color .2s}
.faq-q:hover{color:var(--primary-dark)}
.faq-icon{flex:none;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;transition:transform .3s,background .3s,color .3s}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.8}

.download{background:linear-gradient(150deg,#2A1B3E,var(--deep-2));color:#fff;text-align:center}
.download h1{font-size:38px;font-weight:800}
.dl-meta{margin:16px auto 34px;font-size:14px;color:#C9BFDF}
.dl-btns{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.dl-btns .btn-lg{padding:16px 40px;font-size:16px}
.dl-note{margin-top:26px;font-size:15px;color:#EADCF4}

.footer{background:var(--deep-2);color:#B8AFCD;text-align:center;padding:30px 0;font-size:14px}
.footer a{color:#FFD3E4;font-weight:600;transition:color .2s}
.footer a:hover{color:var(--primary)}

.to-top{position:fixed;right:26px;bottom:30px;z-index:90;width:46px;height:46px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(255,77,141,.35);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,visibility .3s,transform .3s}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{transform:translateY(-3px)}
.to-top svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

@media (max-width:1024px){
  .container{padding:0 20px}
  .nav-inner{padding:0 20px;gap:14px}
  .nav-links a{padding:7px 9px;font-size:13.5px}
  .hero h1{font-size:38px}
  .hero-grid{gap:40px}
  .works-grid{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .product-grid{gap:44px}
}

@media (max-width:768px){
  body{font-size:15px}
  .section{padding:56px 0}
  .nav-links{display:none}
  .nav-btn{margin-left:auto}
  .sec-title{font-size:26px}
  .sec-head{margin-bottom:34px}
  .hero{padding-top:calc(var(--nav-h) + 36px);padding-bottom:52px;text-align:center}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-desc{margin-left:auto;margin-right:auto;font-size:15.5px;max-width:100%}
  .hero-actions{flex-direction:column;width:100%}
  .hero-actions .btn{width:100%}
  .hero-pic img{width:min(280px,78%)}
  .chip1{left:4%}
  .chip2{right:2%}
  .works-grid{grid-template-columns:1fr;gap:20px}
  .product-grid{grid-template-columns:1fr;gap:36px}
  .features-grid{grid-template-columns:1fr;gap:20px}
  .compare{min-width:560px}
  .compare th,.compare td{padding:13px 10px;font-size:13px}
  .data-grid{gap:16px}
  .data-num{font-size:32px}
  .reviews-grid{grid-template-columns:1fr;gap:20px}
  .version-card{padding:28px 22px}
  .ver-head{flex-direction:column;align-items:flex-start;gap:10px}
  .download h1{font-size:28px}
  .dl-meta{font-size:12px;white-space:nowrap}
  .dl-btns{flex-direction:column;align-items:stretch;max-width:400px;margin:0 auto}
  .to-top{right:16px;bottom:22px;width:42px;height:42px}
}