/* ===== 设计变量 ===== */
:root{
  --primary:#d4527a;
  --primary-deep:#b03a60;
  --primary-soft:#fbe8ee;
  --dark:#39212c;
  --border:#f0d9e2;
  --bg:#fff7f9;
  --card:#ffffff;
  --text:#3c2733;
  --muted:#6f5461;
  --star:#f5a623;
  --shadow:0 8px 24px rgba(212,82,122,.10);
  --shadow-hover:0 14px 32px rgba(212,82,122,.18);
  --radius:16px;
}

/* ===== 基础 ===== */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 30px;font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#fff;box-shadow:0 8px 20px rgba(212,82,122,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(212,82,122,.38)}
.btn-ghost{background:var(--card);color:var(--primary-deep);border-color:var(--primary);box-shadow:0 4px 12px rgba(212,82,122,.08)}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-2px)}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.94);border-bottom:1px solid var(--border);backdrop-filter:blur(8px)}
.nav-inner{display:flex;align-items:center;height:64px;gap:28px}
.logo{font-size:22px;font-weight:700;color:var(--dark);letter-spacing:1px;white-space:nowrap}
.nav-links{display:flex;gap:22px;margin-left:auto}
.nav-links a{font-size:15px;color:var(--muted);position:relative;transition:color .2s ease}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--primary)}
.nav-download{margin-left:8px;padding:8px 18px;font-size:13.5px}

/* ===== 首屏 Hero ===== */
.hero{padding:132px 0 72px;background:linear-gradient(180deg,var(--primary-soft),var(--bg) 70%)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,50px);line-height:1.2;color:var(--dark)}
.ver{display:inline-block;margin-left:10px;padding:4px 14px;font-size:.42em;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-deep));border-radius:999px;vertical-align:middle}
.hero-desc{margin:20px 0 32px;font-size:17px;color:var(--muted);max-width:520px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-media img{width:100%;border-radius:20px;box-shadow:0 18px 40px rgba(57,33,44,.18)}
@media (max-width:768px){
  .hero-text{text-align:center}
  .hero-desc{max-width:none}
  .hero-btns{flex-direction:column;width:100%}
  .hero-btns .btn{width:100%}
}

/* ===== 区块通用 ===== */
.section{padding:72px 0}
.sec-head{text-align:center;margin-bottom:44px}
.sec-head h2{font-size:clamp(26px,3vw,34px);color:var(--dark)}
.sec-head p{color:var(--muted);margin-top:10px;font-size:15.5px}

/* ===== 截图 ===== */
.shots{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.shots figure{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.shots figure:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.shots img{width:100%}

/* ===== 平台介绍 ===== */
.platform-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:40px;box-shadow:var(--shadow)}
.platform-card p{font-size:16.5px;margin-bottom:16px}
.platform-card p:last-of-type{margin-bottom:0}
.platform-chips{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.platform-chips li{background:var(--primary-soft);color:var(--primary-deep);border-radius:999px;padding:8px 18px;font-size:14.5px;font-weight:600}

/* ===== 核心优势 ===== */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.feature:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.fi{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.fi svg{width:24px;height:24px}
.feature h3{font-size:18px;color:var(--dark);margin-bottom:8px}
.feature p{font-size:15px;color:var(--muted)}

/* ===== 玩家评价 ===== */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.review:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#fff;font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.review-info .name{font-size:15.5px;font-weight:600;color:var(--dark)}
.stars{color:var(--star);font-size:14px;letter-spacing:2px;margin-top:2px}
.review-text{font-size:14.5px;color:var(--muted)}

/* ===== 版本更新 ===== */
.update-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:36px;box-shadow:var(--shadow);max-width:820px;margin:0 auto}
.update-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding-bottom:18px;border-bottom:1px dashed var(--border);margin-bottom:18px}
.update-top h3{font-size:22px;color:var(--dark)}
.update-top h3 span{color:var(--primary)}
.update-date{font-size:14.5px;color:var(--muted)}
.update-log li{position:relative;padding:10px 0 10px 26px;font-size:15.5px}
.update-log li::before{content:"";position:absolute;left:4px;top:19px;width:8px;height:8px;border-radius:50%;background:var(--primary)}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .25s ease}
.faq-item.open{box-shadow:var(--shadow-hover)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;background:none;border:0;cursor:pointer;font-size:16px;font-weight:600;color:var(--dark);text-align:left;font-family:inherit}
.faq-icon{position:relative;width:22px;height:22px;flex-shrink:0;color:var(--primary);transition:transform .3s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--muted)}

/* ===== 下载区 ===== */
.download{background:linear-gradient(180deg,var(--primary-soft),var(--bg));text-align:center;padding:80px 0}
.download h1{font-size:clamp(30px,4vw,44px);color:var(--dark);margin-bottom:14px}
.dl-meta{font-size:15px;color:var(--muted);margin-bottom:28px}
.dl-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.dl-btns .btn{padding:15px 34px;font-size:17px}
.dl-tip{margin-top:24px;font-size:14.5px;color:var(--muted)}

/* ===== 页脚 ===== */
footer{background:var(--dark);color:rgba(255,255,255,.75);padding:28px 0;text-align:center;font-size:14px}
footer a{color:#fff;font-weight:600;text-decoration:none;transition:color .2s ease}
footer a:hover{color:#ffb0c4}

/* ===== 返回顶部 ===== */
.to-top{position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:var(--card);color:var(--primary-deep);box-shadow:var(--shadow);cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s ease,transform .25s ease,background .25s ease;z-index:90}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top svg{width:20px;height:20px}
.to-top:hover{background:var(--primary);color:#fff}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .nav-links{gap:16px}
  .shots{grid-template-columns:repeat(2,1fr)}
  .features,.reviews{grid-template-columns:repeat(2,1fr)}
  .hero-inner{gap:40px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-inner{height:56px;gap:12px}
  .nav-links{display:none}
  .nav-download{margin-left:auto;padding:7px 15px;font-size:13px}
  .hero{padding:104px 0 52px}
  .hero-inner{grid-template-columns:1fr;gap:28px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .shots{grid-template-columns:1fr;gap:16px}
  .features,.reviews{grid-template-columns:1fr}
  .platform-card{padding:26px 20px}
  .update-card{padding:24px 20px}
  .dl-btns{flex-direction:column;width:100%}
  .dl-btns .btn{width:100%}
  .dl-meta{font-size:12.5px;white-space:nowrap}
  .to-top{right:16px;bottom:20px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .faq-a,.btn,.feature,.review,.shots figure,.to-top,.faq-icon{transition:none}
}