/* ============ 主题变量（取自 logo 粉色） ============ */
:root{
  --pink:        #FF6BAE;
  --pink-deep:   #E8447F;
  --pink-dark:   #C9306A;
  --pink-light:  #FFD3E6;
  --pink-soft:   #FFF4F9;
  --pink-glow:   rgba(255,107,174,.35);
  --text:        #2B2430;
  --muted:       #7E7280;
  --white:       #FFFFFF;
  --radius:      20px;
  --radius-sm:   14px;
  --shadow:      0 12px 34px rgba(255,107,174,.20);
  --shadow-lg:   0 24px 60px rgba(232,68,127,.28);
  --nav-h:       72px;
}

/* ============ 基础 ============ */
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
.container{width:min(1180px,92%);margin:0 auto;}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;border:none;cursor:pointer;
  font-size:16px;font-weight:600;font-family:inherit;
  transition:transform .25s cubic-bezier(.2,.8,.3,1),box-shadow .25s,background .25s;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,#FF8FC4 0%,var(--pink) 45%,var(--pink-deep) 100%);
  box-shadow:0 10px 26px var(--pink-glow);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(232,68,127,.42);}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{
  color:var(--pink-deep);background:#fff;
  border:2px solid var(--pink-light);
}
.btn-ghost:hover{background:var(--pink-soft);border-color:var(--pink);transform:translateY(-3px);}
.btn-lg{padding:17px 40px;font-size:17px;}

/* ============ 顶部导航 ============ */
.nav{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;
  display:flex;align-items:center;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:box-shadow .3s,background .3s;
}
.nav.scrolled{
  background:rgba(255,255,255,.94);
  box-shadow:0 6px 24px rgba(255,107,174,.14);
}
.nav-inner{
  width:min(1180px,92%);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
/* Logo */
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand img{
  width:44px;height:44px;border-radius:13px;
  box-shadow:0 6px 16px var(--pink-glow);
  transition:transform .3s;
}
.brand:hover img{transform:rotate(-6deg) scale(1.06);}
.brand-name{
  font-size:21px;font-weight:800;letter-spacing:.5px;
  background:linear-gradient(135deg,var(--pink) 0%,var(--pink-deep) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
/* 菜单 */
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;padding:9px 16px;border-radius:999px;
  font-size:15.5px;font-weight:500;color:var(--muted);
  transition:color .25s,background .25s;
}
.nav-menu a:hover{color:var(--pink-deep);background:var(--pink-soft);}
.nav-menu a.active{color:var(--pink-deep);font-weight:700;}
.nav-menu a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:3px;background:var(--pink);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav .btn{padding:11px 24px;font-size:15px;}

/* 下载按钮的角标 */
.btn-download{position:relative;}
.badge{
  position:absolute;
  top:-6px;
  right:-6px;
  display:flex;
  align-items:center;
  gap:2px;
  padding:4px 6px;
  background:var(--pink-deep);
  color:#fff;
  font-size:11px;
  font-weight:700;
  line-height:1;
  border-radius:20px;
  box-shadow:0 2px 8px rgba(232,68,127,.45);
  pointer-events:none;
  animation:pulse-badge 2s infinite;
}
.badge svg{
  width:10px;
  height:10px;
  fill:#fff;
}
@keyframes pulse-badge{
  0%{transform:scale(1);}
  50%{transform:scale(1.08);}
  100%{transform:scale(1);}
}

/* 汉堡按钮 */
.hamburger{
  display:none;width:44px;height:44px;border:none;background:var(--pink-soft);
  border-radius:12px;cursor:pointer;position:relative;
}
.hamburger span{
  position:absolute;left:12px;width:20px;height:2px;border-radius:2px;
  background:var(--pink-deep);transition:.3s;
}
.hamburger span:nth-child(1){top:15px;}
.hamburger span:nth-child(2){top:21px;}
.hamburger span:nth-child(3){top:27px;}
.hamburger.open span:nth-child(1){top:21px;transform:rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){top:21px;transform:rotate(-45deg);}

/* ============ Hero ============ */
.hero{
  position:relative;padding:calc(var(--nav-h) + 70px) 0 90px;
  background:
    radial-gradient(900px 520px at 88% 8%, #FFE3F0 0%, rgba(255,227,240,0) 62%),
    radial-gradient(700px 480px at 5% 92%, #FFEDF5 0%, rgba(255,237,245,0) 60%),
    linear-gradient(180deg,#FFF9FC 0%,#FFFFFF 100%);
  overflow:hidden;
}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none;}
.blob.b1{width:380px;height:380px;background:#FFB3D6;top:-120px;right:-80px;}
.blob.b2{width:300px;height:300px;background:#FFD3E6;bottom:-100px;left:-100px;}

.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--pink-light);
  color:var(--pink-deep);font-size:13.5px;font-weight:600;
  box-shadow:0 6px 18px rgba(255,107,174,.14);
  margin-bottom:22px;
}
.hero-badge .dot{
  width:8px;height:8px;border-radius:50%;background:var(--pink);
  box-shadow:0 0 0 0 var(--pink-glow);animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 var(--pink-glow);}
  70%{box-shadow:0 0 0 12px rgba(255,107,174,0);}
  100%{box-shadow:0 0 0 0 rgba(255,107,174,0);}
}
.hero h1{
  font-size:clamp(34px,4.6vw,58px);
  line-height:1.18;font-weight:900;letter-spacing:-1px;
  margin-bottom:20px;
}
.hero h1 .grad{
  background:linear-gradient(120deg,var(--pink) 0%,var(--pink-deep) 60%,#FF9CCB 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{
  font-size:17.5px;color:var(--muted);max-width:520px;margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:34px;}
.icon-dl{width:19px;height:19px;flex-shrink:0;}

/* 数据条（创意猫系数据） */
.hero-stats{display:flex;gap:38px;flex-wrap:wrap;}
.stat b{
  display:block;font-size:26px;font-weight:900;color:var(--pink-deep);
  line-height:1.2;
}
.stat span{font-size:13.5px;color:var(--muted);}

/* 右侧手机图 */
.hero-visual{position:relative;display:flex;justify-content:center;}
.phone-wrap{position:relative;animation:float 6s ease-in-out infinite;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-16px);}}
.phone-wrap img{
  width:100%;max-width:340px;
  filter:drop-shadow(0 30px 55px rgba(232,68,127,.30));
  border-radius:32px;
}
.float-card{
  position:absolute;background:#fff;border-radius:16px;
  padding:12px 16px;display:flex;align-items:center;gap:10px;
  box-shadow:0 14px 34px rgba(255,107,174,.24);
  font-size:13.5px;font-weight:600;
  animation:float 5s ease-in-out infinite;
}
.float-card.c1{top:12%;left:-6%;animation-delay:.6s;}
.float-card.c2{bottom:14%;right:-5%;animation-delay:1.4s;}
.float-card .fc-ico{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#FF8FC4,var(--pink-deep));color:#fff;font-size:15px;
}
.float-card small{display:block;font-weight:400;color:var(--muted);font-size:11.5px;line-height:1.3;}

/* ============ 通用区块 ============ */
.section{padding:100px 0;}
.section-head{text-align:center;max-width:660px;margin:0 auto 60px;}
.section-tag{
  display:inline-block;padding:6px 16px;border-radius:999px;
  background:var(--pink-soft);color:var(--pink-deep);
  font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:16px;
}
.section-head h2{
  font-size:clamp(26px,3.4vw,40px);font-weight:900;letter-spacing:-.6px;
  line-height:1.3;margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16.5px;}

/* ============ 功能特色 ============ */
.features{background:linear-gradient(180deg,#FFFFFF 0%,#FFF8FB 100%);}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:26px;}
.feature-card{
  background:#fff;border-radius:var(--radius);padding:30px 26px;
  border:1px solid #FFEAF3;
  box-shadow:0 6px 22px rgba(255,107,174,.08);
  transition:transform .35s cubic-bezier(.2,.8,.3,1),box-shadow .35s,border-color .35s;
}
.feature-card:hover{transform:translateY(-8px);border-color:var(--pink-light);box-shadow:var(--shadow-lg);}
.feature-card .f-img{
  width:64px;height:64px;border-radius:18px;
  margin-bottom:20px;
  box-shadow:0 8px 20px rgba(255,107,174,.16);
  overflow:hidden;
}
.feature-card .f-img svg { width: 100%; height: 100%; display: block; }
.feature-card h3{font-size:19px;font-weight:800;margin-bottom:10px;}
.feature-card p{font-size:15px;color:var(--muted);}

/* ============ 应用截图 ============ */
.shots{background:#FFF8FB;}
.shot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:28px;}
.shot{
  border-radius:26px;overflow:hidden;background:#fff;
  border:1px solid #FFE3F0;
  box-shadow:0 10px 30px rgba(255,107,174,.14);
  transition:transform .4s cubic-bezier(.2,.8,.3,1),box-shadow .4s;
}
.shot:hover{transform:translateY(-10px) scale(1.02);box-shadow:var(--shadow-lg);}
.shot img{width:100%;aspect-ratio:9/16;object-fit:cover;}
.shot-cap{
  padding:14px 18px;font-size:14.5px;font-weight:700;color:var(--pink-deep);
  text-align:center;background:#fff;
}

/* ============ 常见问题 (FAQ) ============ */
.faq-section { background: #FFFFFF; }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  background: var(--pink-soft);
  border: 1px solid #FFE3F0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: box-shadow .3s;
}
.faq-item:hover { box-shadow: 0 8px 24px rgba(255,107,174,.12); }
.faq-item summary {
  padding: 20px 24px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: color .3s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--pink-deep);
  transition: transform .3s;
}
.faq-item[open] summary { color: var(--pink-deep); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-content {
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  border-top: 1px dashed var(--pink-light);
  padding-top: 16px;
}
.faq-content p { margin-bottom: 8px; }
.faq-content ol {
  padding-left: 20px;
  margin-top: 6px;
}
.faq-content li { margin-bottom: 6px; }

/* ============ 下载 CTA ============ */
.cta{
  position:relative;padding:100px 0;overflow:hidden;
  background:linear-gradient(135deg,var(--pink) 0%,var(--pink-deep) 55%,#C9306A 100%);
}
.cta::before,.cta::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.10);}
.cta::before{width:420px;height:420px;top:-160px;left:-120px;}
.cta::after{width:320px;height:320px;bottom:-140px;right:-80px;}
.cta-inner{position:relative;z-index:2;text-align:center;color:#fff;}
.cta h2{font-size:clamp(26px,3.6vw,42px);font-weight:900;letter-spacing:-.6px;margin-bottom:16px;}
.cta p{font-size:17px;opacity:.92;max-width:560px;margin:0 auto 36px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;}
.btn-white{background:#fff;color:var(--pink-deep);box-shadow:0 12px 30px rgba(0,0,0,.18);}
.btn-white:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(0,0,0,.26);}

/* 二维码 */
.qr-box{
  position:relative;z-index:2;margin-top:46px;
  display:inline-flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  border-radius:18px;padding:14px 22px;backdrop-filter:blur(8px);
}
.qr-box img{width:88px;height:88px;border-radius:12px;background:#fff;padding:6px;}
.qr-box .qr-text{text-align:left;color:#fff;font-size:14px;line-height:1.6;}
.qr-box .qr-text b{font-size:16px;display:block;margin-bottom:2px;}

/* ============ 页脚 ============ */
.footer{background:#2B2430;color:#BFB4C2;padding:64px 0 28px;font-size:14.5px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:46px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand img{width:40px;height:40px;border-radius:12px;}
.footer-brand span{font-size:19px;font-weight:800;color:#fff;letter-spacing:.5px;}
.footer p.desc{color:#8E8393;max-width:300px;line-height:1.8;}
.footer h4{color:#fff;font-size:15.5px;font-weight:700;margin-bottom:18px;}
.footer li{margin-bottom:11px;}
.footer li a{transition:color .25s,padding-left .25s;}
.footer li a:hover{color:var(--pink);padding-left:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:#7E7280;font-size:13.5px;
}

/* ============ 滚动淡入 ============ */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.8,.3,1);}
.reveal.show{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:50px;text-align:center;}
  .hero p.lead{margin-left:auto;margin-right:auto;}
  .hero-actions,.hero-stats{justify-content:center;}
  .hero-visual{order:-1;}
  .phone-wrap img{max-width:270px;}
  .float-card.c1{left:0;}
  .float-card.c2{right:0;}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px;}
  .footer-col-brand{grid-column:1 / -1;}
}
@media (max-width:760px){
  .nav-menu{
    position:fixed;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:16px 6% 24px;
    box-shadow:0 18px 34px rgba(255,107,174,.18);
    transform:translateY(-140%);transition:transform .38s cubic-bezier(.2,.8,.3,1);
  }
  .nav-menu.open{transform:translateY(0);}
  .nav-menu a{padding:13px 16px;border-radius:12px;font-size:16px;}
  .nav-menu a.active::after{display:none;}
  .hamburger{display:block;}
  .nav-right .btn{display:none;}
  .section{padding:72px 0;}
  .hero{padding:calc(var(--nav-h) + 46px) 0 64px;}
  .hero-stats{gap:26px;}
  .qr-box{flex-direction:column;text-align:center;}
  .qr-box .qr-text{text-align:center;}
  .footer-top{grid-template-columns:1fr;}
  .faq-item summary { padding: 16px 18px; font-size: 15px; }
  .faq-content { padding: 0 18px 18px; font-size: 14px; }
}