/* app.css - APP下载页，深棕主题，CSS绘制手机mockup */

/* ===== Hero ===== */
.app-hero {
  background: #ffffff;
  padding: 100px 0 90px;
}
.app-hero-inner {
  display: flex;
  align-items: center;
  gap: 64px;
}
.app-hero-left { flex: 1.2; min-width: 0; }
.app-hero-right {
  flex: 0.8;
  display: flex;
  justify-content: center;
}
.app-eyebrow {
  font-size: 13px;
  letter-spacing: 4px;
  color: #9a3412;
  text-transform: uppercase;
  margin-bottom: 22px;
  font-weight: 600;
}
.app-hero-title {
  font-size: 46px;
  line-height: 1.2;
  color: #7c2d12;
  font-weight: 800;
  margin-bottom: 22px;
}
.app-hero-desc {
  font-size: 16px;
  color: #57534e;
  line-height: 1.9;
  margin-bottom: 36px;
  max-width: 520px;
}

/* 下载按钮 */
.app-download-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.app-dl-btn {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 28px;
  border-radius: 12px;
  transition: all .2s;
  min-width: 150px;
}
.dl-platform { font-size: 13px; opacity: .85; }
.dl-text { font-size: 17px; font-weight: 700; }
.app-dl-ios {
  background: #1c1917;
  color: #ffffff;
}
.app-dl-ios:hover { background: #292524; transform: translateY(-2px); }
.app-dl-android {
  background: #ffffff;
  color: #9a3412;
  border: 1.5px solid #9a3412;
}
.app-dl-android:hover { background: #fdf3ec; transform: translateY(-2px); }

/* 版本标签 */
.app-version-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.app-vtag {
  font-size: 13px;
  color: #7c2d12;
  background: #f5f0eb;
  border: 1px solid #e7e5e4;
  border-radius: 999px;
  padding: 6px 16px;
  font-weight: 600;
}

/* ===== CSS 手机 Mockup ===== */
.phone {
  width: 280px;
  height: 560px;
  background: #1c1917;
  border-radius: 42px;
  padding: 14px;
  position: relative;
  box-shadow: 0 24px 50px rgba(124, 45, 18, 0.28), inset 0 0 0 2px #44403c;
}
.phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 22px;
  background: #1c1917;
  border-radius: 12px;
  z-index: 3;
}
.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #fdf3ec 0%, #faf7f2 100%);
  border-radius: 30px;
  padding: 38px 12px 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.app-screen-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 12px;
  border: 1px solid #f0e9df;
  box-shadow: 0 3px 8px rgba(124, 45, 18, 0.08);
}
.scr-bar {
  display: flex;
  align-items: center;
  gap: 8px;
}
.scr-dot {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: linear-gradient(135deg, #9a3412, #c2410c);
  flex-shrink: 0;
}
.scr-dot-alt { background: linear-gradient(135deg, #7c2d12, #b45309); }
.scr-dot-warm { background: linear-gradient(135deg, #b45309, #dc2626); }
.scr-line {
  height: 8px;
  border-radius: 4px;
  background: #e7e5e4;
  margin-top: 7px;
}
.scr-line.w35 { width: 35%; }
.scr-line.w40 { width: 40%; }
.scr-line.w45 { width: 45%; }
.scr-line.w50 { width: 50%; }
.scr-line.w55 { width: 55%; }
.scr-line.w70 { width: 70%; }
.scr-line.w80 { width: 80%; }
.scr-line.w85 { width: 85%; }
.scr-line.w90 { width: 90%; }
.scr-cta-line {
  margin-top: auto;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(90deg, #9a3412, #c2410c);
  box-shadow: 0 4px 10px rgba(154, 52, 18, 0.3);
}

/* ===== 功能卡片 ===== */
.app-features {
  padding: 90px 0;
  background: #faf7f2;
}
.app-section-head {
  text-align: center;
  margin-bottom: 52px;
}
.app-section-head h2 {
  font-size: 30px;
  color: #7c2d12;
  font-weight: 800;
  margin-bottom: 12px;
}
.app-section-head p {
  color: #78716c;
  font-size: 15px;
}
.app-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.app-feature-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 30px 24px;
  border: 1px solid #f0e9df;
  transition: transform .25s, box-shadow .25s;
}
.app-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(124, 45, 18, 0.1);
}
.app-ficon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 18px;
}
.app-ficon-1 { background: linear-gradient(135deg, #9a3412, #c2410c); }
.app-ficon-2 { background: linear-gradient(135deg, #7c2d12, #b45309); }
.app-ficon-3 { background: linear-gradient(135deg, #b45309, #dc2626); }
.app-ficon-4 { background: linear-gradient(135deg, #44403c, #7c2d12); }
.app-ficon-5 { background: linear-gradient(135deg, #c2410c, #ea580c); }
.app-ficon-6 { background: linear-gradient(135deg, #78716c, #9a3412); }
.app-feature-card h3 {
  font-size: 17px;
  color: #1c1917;
  margin-bottom: 8px;
  font-weight: 700;
}
.app-feature-card p {
  font-size: 13.5px;
  color: #57534e;
  line-height: 1.75;
}

/* ===== 底部 CTA ===== */
.app-cta {
  padding: 40px 0 100px;
  background: #faf7f2;
}
.app-cta-card {
  background: linear-gradient(135deg, #7c2d12, #9a3412);
  border-radius: 18px;
  padding: 52px 40px;
  text-align: center;
  color: #ffffff;
  box-shadow: 0 16px 40px rgba(124, 45, 18, 0.25);
}
.app-cta-card h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}
.app-cta-card p {
  font-size: 15px;
  color: #fde8dd;
  margin-bottom: 28px;
}
.app-cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.app-cta-btn {
  padding: 12px 30px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  transition: all .2s;
}
.app-cta-btn-primary {
  background: #ffffff;
  color: #9a3412;
}
.app-cta-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 18px rgba(0,0,0,.2); }
.app-cta-btn-ghost {
  background: transparent;
  color: #ffffff;
  border: 1.5px solid rgba(255,255,255,.6);
}
.app-cta-btn-ghost:hover { background: rgba(255,255,255,.12); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .app-hero { padding: 70px 0 60px; }
  .app-hero-inner { flex-direction: column; gap: 48px; }
  .app-hero-title { font-size: 32px; }
  .phone { width: 240px; height: 480px; }
  .app-feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .app-feature-grid { grid-template-columns: 1fr; }
  .app-cta-card { padding: 36px 22px; }
}