/* ========== 重置 & 全局 ========== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:#f5f0eb;
  color:#3a3a3a;
  min-height:100vh;
  overflow-x:hidden;
}

/* ========== 通用工具 ========== */
.section-wrap{max-width:720px;margin:0 auto;padding:0 16px}
.section-title{
  text-align:center;
  font-size:clamp(20px,4vw,26px);
  font-weight:800;
  margin-bottom:8px;
  color:#2d2d2d;
}
.section-title .emoji{font-size:1.2em;margin-right:4px}
.section-sub{
  text-align:center;font-size:13px;color:#888;margin-bottom:16px;
}
.divider{
  width:56px;height:3px;border-radius:2px;margin:8px auto 0;
  background:linear-gradient(90deg,#ff6b35,#f7c948);
}

/* ========== Hero 顶部横幅 ========== */
.hero{
  background:linear-gradient(135deg,#ff6b35 0%,#ff8f5e 40%,#f7c948 100%);
  padding:40px 20px 28px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-60px;right:-60px;
  width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.hero::after{
  content:'';position:absolute;bottom:-40px;left:-40px;
  width:160px;height:160px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.hero-content{position:relative;z-index:1}
.hero-emoji-row{font-size:clamp(28px,5vw,40px);margin-bottom:10px;letter-spacing:6px}
.hero-badge{
  display:inline-block;
  background:rgba(255,255,255,.2);
  backdrop-filter:blur(6px);
  color:#fff;font-weight:700;font-size:13px;
  padding:5px 16px;border-radius:20px;
  margin-bottom:14px;letter-spacing:1px;
}
.hero h1{
  font-size:clamp(26px,6vw,44px);font-weight:900;
  color:#fff;line-height:1.15;margin-bottom:10px;
}
.hero h1 .hl{color:#ffe066}
.hero-desc{
  font-size:clamp(13px,2.5vw,16px);color:rgba(255,255,255,.85);
  max-width:480px;margin:0 auto;line-height:1.6;
}

/* ========== 统计横条 ========== */
.stats-bar{
  background:#fff;
  border-bottom:1px solid #eee;
  padding:14px 16px;
}
.stats-bar .inner{
  max-width:720px;margin:0 auto;
  display:flex;justify-content:space-around;align-items:center;
  flex-wrap:wrap;gap:8px;
}
.stat-item{text-align:center;min-width:100px}
.stat-num{font-size:clamp(18px,3vw,22px);font-weight:800;color:#ff6b35}
.stat-label{font-size:11px;color:#999;margin-top:2px}

/* ========== 排行榜 ========== */
.rank-section{padding:20px 0 4px}
.rank-section .section-title{color:#ff6b35}

.app-card{
  background:#fff;
  border-radius:14px;
  padding:16px 18px;
  margin-bottom:12px;
  display:flex;align-items:center;gap:14px;
  position:relative;
  box-shadow:0 2px 12px rgba(0,0,0,.06);
  transition:transform .2s ease,box-shadow .2s ease;
  opacity:0;transform:translateY(24px);
  animation:cardIn .45s ease forwards;
}
.app-card:hover{
  transform:translateY(-3px);
  box-shadow:0 8px 28px rgba(255,107,53,.12);
}

/* 金银铜前三 */
.app-card.rank-1{border-left:4px solid #f7c948;background:linear-gradient(90deg,#fff9e6,#fff)}
.app-card.rank-2{border-left:4px solid #c0c0c0;background:linear-gradient(90deg,#f5f5f5,#fff)}
.app-card.rank-3{border-left:4px solid #cd7f32;background:linear-gradient(90deg,#fef0e6,#fff)}
.app-card.rank-1 .rank-num{background:linear-gradient(135deg,#f7c948,#ffe066);color:#7a5c00}
.app-card.rank-2 .rank-num{background:linear-gradient(135deg,#b0b0b0,#d4d4d4);color:#555}
.app-card.rank-3 .rank-num{background:linear-gradient(135deg,#cd7f32,#e8a960);color:#6b3f00}

.rank-num{
  flex-shrink:0;width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  background:#f0f0f0;border-radius:10px;
  font-size:17px;font-weight:800;color:#999;
}

.app-icon-wrap{
  flex-shrink:0;width:52px;height:52px;
  border-radius:13px;overflow:hidden;
  background:#f5f0eb;
  display:flex;align-items:center;justify-content:center;
  border:1px solid #eee;
}
.app-icon-wrap img{width:100%;height:100%;object-fit:cover}
.app-icon-emoji{font-size:26px;line-height:1}

.app-info{flex:1;min-width:0}
.app-name{font-size:16px;font-weight:700;margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.app-stars{display:flex;align-items:center;gap:4px;margin-bottom:3px}
.app-stars .stars-icon{font-size:12px;color:#f7c948}
.app-stars .stars-num{font-size:12px;color:#f7c948;font-weight:700}
.app-meta{font-size:11px;color:#999;margin-bottom:4px;display:flex;gap:8px;align-items:center}
.app-meta .meta-item{display:flex;align-items:center;gap:2px}
.app-desc{font-size:12.5px;color:#888;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.app-tags{display:flex;gap:5px;margin-top:7px;flex-wrap:wrap}
.app-tag{font-size:10.5px;padding:3px 8px;border-radius:6px;white-space:nowrap}
.app-tag.hot{background:#fff0e6;color:#ff6b35}
.app-tag.normal{background:#f0f7ff;color:#5b8def}
.app-tag.green{background:#e8f8e8;color:#3a9d5c}
.app-tag.gold{background:#fff9e6;color:#c59000}

.download-btn{
  flex-shrink:0;
  display:inline-flex;align-items:center;gap:5px;
  background:linear-gradient(135deg,#ff6b35,#e85520);
  color:#fff;font-size:12.5px;font-weight:600;
  padding:9px 16px;border-radius:9px;border:none;
  cursor:pointer;white-space:nowrap;text-decoration:none;
  transition:transform .2s,box-shadow .2s;
}
.download-btn:hover{transform:scale(1.05);box-shadow:0 4px 16px rgba(255,107,53,.35)}
.download-btn:active{transform:scale(.95)}
.download-btn .btn-emoji{font-size:14px}

@keyframes cardIn{to{opacity:1;transform:translateY(0)}}
.app-card:nth-child(1){animation-delay:.08s}
.app-card:nth-child(2){animation-delay:.14s}
.app-card:nth-child(3){animation-delay:.20s}
.app-card:nth-child(4){animation-delay:.26s}
.app-card:nth-child(5){animation-delay:.32s}
.app-card:nth-child(6){animation-delay:.38s}
.app-card:nth-child(7){animation-delay:.44s}
.app-card:nth-child(8){animation-delay:.50s}
.app-card:nth-child(9){animation-delay:.56s}
.app-card:nth-child(10){animation-delay:.62s}

/* ========== 羊毛攻略 ========== */
.tips-section{padding:20px 0}
.tip-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
  gap:12px;
}
.tip-card{
  background:#fff;border-radius:12px;padding:18px 14px;
  box-shadow:0 2px 10px rgba(0,0,0,.05);
  text-align:center;
  transition:transform .2s;
}
.tip-card:hover{transform:translateY(-3px)}
.tip-icon{font-size:32px;margin-bottom:8px}
.tip-title{font-size:14px;font-weight:700;margin-bottom:4px;color:#333}
.tip-text{font-size:12px;color:#888;line-height:1.5}

/* ========== 用户评价 ========== */
.reviews-section{padding:20px 0}
.review-card{
  background:#fff;border-radius:12px;padding:16px;
  margin-bottom:10px;box-shadow:0 2px 10px rgba(0,0,0,.05);
}
.review-top{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.review-avatar{
  width:36px;height:36px;border-radius:50%;
  background:#f0f0f0;display:flex;align-items:center;justify-content:center;
  font-size:18px;
}
.review-name{font-size:13px;font-weight:600;color:#333}
.review-stars{font-size:13px;color:#f7c948;margin-left:4px}
.review-text{font-size:12.5px;color:#666;line-height:1.6}
.review-app{font-size:11px;color:#ff6b35;margin-top:6px;font-weight:600}

/* ========== FAQ ========== */
.faq-section{padding:20px 0}
.faq-item{
  background:#fff;border-radius:12px;padding:14px 18px;
  margin-bottom:8px;box-shadow:0 2px 8px rgba(0,0,0,.04);
  cursor:pointer;transition:background .2s;
}
.faq-item:hover{background:#fff9e6}
.faq-q{font-size:14px;font-weight:700;color:#333;display:flex;align-items:center;gap:8px}
.faq-a{font-size:12.5px;color:#888;line-height:1.6;margin-top:8px;display:none;padding-left:24px}
.faq-item.open .faq-a{display:block}
.faq-toggle{font-size:16px;transition:transform .2s}
.faq-item.open .faq-toggle{transform:rotate(45deg)}

/* ========== Footer ========== */
.footer{
  background:#2d2d2d;color:rgba(255,255,255,.5);
  text-align:center;padding:24px 16px;
  font-size:12px;line-height:1.8;
}
.footer .heart{color:#ff6b35}
.footer a{color:#f7c948;text-decoration:none}

/* ========== 手机端 ========== */
@media(max-width:480px){
  .hero{padding:30px 14px 22px}
  .stats-bar{padding:10px 10px}
  .stat-item{min-width:70px}
  .stat-num{font-size:16px}
  .app-card{
    padding:12px 14px;gap:10px;
    display:grid;grid-template-columns:30px 44px 1fr;align-items:center;
  }
  .rank-num{width:30px;height:30px;font-size:14px;border-radius:8px}
  .app-icon-wrap{width:44px;height:44px;border-radius:11px}
  .app-icon-emoji{font-size:22px}
  .app-name{font-size:14px}
  .app-stars .stars-icon{font-size:10px}
  .app-stars .stars-num{font-size:10px}
  .app-meta{font-size:10px;gap:5px}
  .app-desc{font-size:11.5px}
  .app-info{grid-column:3;min-width:0}
  .download-btn{
    grid-column:1 / -1;justify-content:center;padding:9px 0;margin-top:2px;
  }
  .app-tags{margin-top:5px;gap:4px}
  .app-tag{font-size:10px;padding:2px 6px}
  .tip-grid{grid-template-columns:1fr 1fr;gap:8px}
  .tip-card{padding:14px 10px}
  .tip-icon{font-size:26px}
  .tip-title{font-size:13px}
  .tip-text{font-size:11px}
  .review-card{padding:12px}
}

@media(min-width:481px) and (max-width:768px){
  .tip-grid{grid-template-columns:1fr 1fr 1fr}
}