:root{
  --primary:#e7549e;
  --primary-dark:#c93d84;
  --primary-light:#f7a6cc;
  --primary-soft:#fdeef6;
  --dark:#33253c;
  --border:#f2e1ea;
  --bg:#fdf8fa;
  --card:#ffffff;
  --text:#3a2b33;
  --text-2:#6e5565;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 6px 18px rgba(231,84,158,.10);
  --shadow-hover:0 12px 30px rgba(231,84,158,.18);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
section[id]{scroll-margin-top:72px}

/* 顶部导航 */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-size:22px;font-weight:800;color:var(--primary-dark);letter-spacing:1px;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{display:block;padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:8px;transition:color .2s}
.nav-menu a:hover{color:var(--primary)}
.nav-menu a.active{color:var(--primary);font-weight:600}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:16px;font-weight:700;padding:13px 28px;border-radius:999px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,background .25s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);background:linear-gradient(135deg,var(--primary-dark),var(--primary))}
.btn-ghost{background:#fff;color:var(--primary);border:2px solid var(--primary)}
.btn-ghost:hover{background:var(--primary-soft)}
.btn-sm{padding:8px 18px;font-size:14px;box-shadow:none}

/* Hero */
.hero{padding:76px 0 84px;background:radial-gradient(ellipse at 18% 0%,#fde9f3 0%,var(--bg) 58%)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{font-size:44px;line-height:1.25;color:var(--dark);margin-bottom:20px;letter-spacing:1px}
.hero .brand{color:var(--primary)}
.hero p{font-size:17px;color:var(--text-2);margin-bottom:32px;max-width:540px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-img img{border-radius:var(--radius);box-shadow:var(--shadow-hover)}

/* 通用区块 */
.section{padding:76px 0}
.section h2{font-size:30px;color:var(--dark);text-align:center;margin-bottom:12px;letter-spacing:1px}
.sub{text-align:center;color:var(--text-2);font-size:15px;margin-bottom:38px}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}

/* 截图预览 */
.shots-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.shot{overflow:hidden;border-radius:var(--radius-sm)}
.shot img{transition:transform .3s}
.shot:hover img{transform:scale(1.03)}

/* 游戏介绍 */
.intro-body{max-width:860px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:38px 42px;box-shadow:var(--shadow)}
.intro-body p{font-size:16px;color:var(--text-2);margin-bottom:18px}
.intro-body p:last-child{margin-bottom:0}

/* 核心优势 */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{padding:30px 26px}
.feature-icon{width:52px;height:52px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feature-icon svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.feature h3{font-size:18px;color:var(--dark);margin-bottom:10px}
.feature p{font-size:14.5px;color:var(--text-2)}

/* 用户评价 */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{padding:26px}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.review-name{font-size:15px;font-weight:600;color:var(--dark)}
.stars{color:#f5a623;font-size:13px;letter-spacing:2px;margin-top:2px}
.review-text{font-size:14.5px;color:var(--text-2)}

/* 版本更新 */
.update-card{max-width:760px;margin:0 auto;padding:34px 38px}
.update-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding-bottom:16px;margin-bottom:8px;border-bottom:1px dashed var(--border)}
.update-head h3{font-size:22px;color:var(--primary-dark)}
.update-date{font-size:14px;color:var(--text-2)}
.update-list li{position:relative;padding:9px 0 9px 22px;font-size:15px;color:var(--text)}
.update-list li::before{content:"";position:absolute;left:4px;top:16px;width:8px;height:8px;border-radius:50%;background:var(--primary)}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;background:none;border:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;color:var(--dark);text-align:left}
.faq-icon{width:22px;height:22px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:16px;line-height:22px;text-align:center;flex-shrink:0;transition:transform .3s,background .3s}
.faq-icon::before{content:"+"}
.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-item.open .faq-a{max-height:260px}
.faq-a p{padding:0 22px 18px;font-size:15px;color:var(--text-2)}

/* 下载区域 */
.download{padding:90px 0;background:linear-gradient(180deg,var(--bg),#fbeef5)}
.download h1{font-size:38px;color:var(--dark);text-align:center;margin-bottom:14px;letter-spacing:1px}
.download-meta{text-align:center;color:var(--text-2);font-size:15px;margin-bottom:32px}
.download-btns{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.download .btn{padding:15px 34px;font-size:17px}
.download-tip{text-align:center;color:var(--text-2);font-size:14.5px;margin-top:28px}

/* 页脚 */
.footer{padding:34px 0;background:var(--dark);color:#cbbcc8;text-align:center;font-size:14px}
.footer-link{color:#fff;transition:color .2s}
.footer-link:hover{color:var(--primary-light)}

/* 返回顶部 */
.back-top{position:fixed;right:28px;bottom:28px;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:20px;line-height:1;border:none;cursor:pointer;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s,transform .3s,visibility .3s;z-index:99}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}

/* 平板 */
@media (max-width:900px){
  .hero h1{font-size:36px}
  .features-grid,.reviews-grid{grid-template-columns:repeat(2,1fr)}
  .shots-grid{grid-template-columns:repeat(2,1fr)}
}

/* 移动端 */
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-menu{display:none}
  .nav-inner{height:56px}
  .logo{display:flex;align-items:center;min-height:44px}
  .nav-download{min-height:44px;padding:10px 18px}
  .stars{font-size:14px}
  .hero{padding:44px 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .hero-text{text-align:center}
  .hero p{margin-left:auto;margin-right:auto}
  .hero-btns{flex-direction:column;width:100%}
  .hero-btns .btn{width:100%}
  .section{padding:56px 0}
  .section h2{font-size:26px}
  .sub{margin-bottom:28px}
  .intro-body{padding:26px 22px}
  .download{padding:64px 0}
  .download h1{font-size:30px}
  .download-meta{font-size:12px;white-space:nowrap}
  .download-btns{flex-direction:column}
  .download-btns .btn{width:100%}
  .back-top{right:16px;bottom:16px}
}

/* 手机 */
@media (max-width:600px){
  .shots-grid,.features-grid,.reviews-grid{grid-template-columns:1fr}
  .update-card{padding:26px 22px}
  .update-head h3{font-size:19px}
}