/* ===== 小窝开荒 官网样式 ===== */
:root {
  --green-900: #1B4332;
  --green-700: #2F855A;
  --green-600: #3E9B6C;
  --green-500: #4CAF50;
  --green-100: #E3F2E5;
  --cream: #FAF9F4;
  --ink: #1F2933;
  --ink-soft: #5B6B5F;
  --warm: #F59E0B;
  --white: #FFFFFF;
  --radius: 18px;
  --shadow: 0 10px 40px rgba(27, 67, 50, 0.10);
  --shadow-lg: 0 24px 60px rgba(27, 67, 50, 0.16);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--green-600), var(--green-700));
  color: #fff;
  box-shadow: 0 10px 24px rgba(47, 133, 90, .35);
}
.btn-primary:hover { box-shadow: 0 14px 30px rgba(47, 133, 90, .45); transform: translateY(-2px); }
.btn-ghost {
  background: var(--white);
  color: var(--green-700);
  border: 1.5px solid var(--green-100);
  box-shadow: 0 4px 12px rgba(27, 67, 50, .06);
}
.btn-ghost:hover { border-color: var(--green-500); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 14px; }

/* ===== 导航 ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 249, 244, .85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(27, 67, 50, .08);
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 800;
  color: var(--green-900);
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--green-600), var(--green-700));
  color: #fff;
  flex: none;
}
.nav-links {
  display: flex;
  gap: 26px;
  margin-left: 12px;
}
.nav-links a {
  font-size: 15px;
  color: var(--ink-soft);
  transition: color .2s;
}
.nav-links a:hover { color: var(--green-700); }
.nav-download { margin-left: auto; }
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--green-900);
  border-radius: 2px;
  transition: .25s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(76, 175, 80, .16), transparent 60%),
    radial-gradient(700px 420px at -10% 30%, rgba(245, 158, 11, .10), transparent 55%),
    var(--cream);
}
.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 84px 24px 64px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 48px;
}
.pill {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
}
.hero-text h1 {
  font-size: clamp(34px, 5.2vw, 56px);
  line-height: 1.18;
  color: var(--green-900);
  letter-spacing: 1px;
}
.hero-text h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--green-600), var(--green-700));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-text p {
  margin: 22px 0 30px;
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 460px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-soft);
}
.hero-meta .dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--green-500);
}
.hero-art { position: relative; }
.hero-art img {
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
}
.float-card {
  position: absolute;
  background: var(--white);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--green-900);
  animation: float 5s ease-in-out infinite;
}
.float-card-a { top: 26px; left: -18px; }
.float-card-b { bottom: 30px; right: -14px; animation-delay: 1.6s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== 数据条 ===== */
.stats {
  border-top: 1px solid rgba(27, 67, 50, .07);
  background: var(--white);
}
.stats-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 30px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2px;
}
.stat strong {
  font-size: 19px;
  color: var(--green-900);
}
.stat span { font-size: 13px; color: var(--ink-soft); }

/* ===== 通用区块 ===== */
.section { padding: 90px 24px; }
.section-center { text-align: center; }
.section-tinted { background: var(--white); }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--green-600);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(26px, 3.6vw, 38px);
  color: var(--green-900);
  line-height: 1.3;
}
.section-head p { margin-top: 14px; color: var(--ink-soft); }

/* ===== 功能卡片 ===== */
.cards {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid rgba(27, 67, 50, .06);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: 0 6px 22px rgba(27, 67, 50, .05);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-icon {
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  background: var(--green-100);
  border-radius: 14px;
  margin-bottom: 18px;
}
.card h3 { font-size: 18px; color: var(--green-900); margin-bottom: 8px; }
.card p { font-size: 14.5px; color: var(--ink-soft); }

/* ===== 特色区 ===== */
.split {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  align-items: center;
  gap: 56px;
}
.split-art img {
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
}
.split-text h2 {
  font-size: clamp(26px, 3.6vw, 38px);
  color: var(--green-900);
  line-height: 1.3;
  margin-bottom: 26px;
}
.feat-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 0;
  border-top: 1px solid rgba(27, 67, 50, .08);
}
.feat-list strong { font-size: 16px; color: var(--green-900); }
.feat-list p { font-size: 14.5px; color: var(--ink-soft); margin-top: 4px; }

/* ===== 下载区 ===== */
.download-grid {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: stretch;
  gap: 28px;
}
.download-cards { display: flex; flex-direction: column; gap: 16px; justify-content: center; }
.store-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--green-900);
  color: #fff;
  border-radius: 16px;
  padding: 18px 24px;
  transition: transform .2s, background .2s;
}
.store-card:hover { transform: translateY(-3px); background: var(--green-700); }
.store-card svg { flex: none; }
.store-card span { display: flex; flex-direction: column; line-height: 1.35; }
.store-card small { font-size: 12.5px; opacity: .75; }
.store-card b { font-size: 18px; }
.store-card-disabled {
  background: rgba(27, 67, 50, .38);
  cursor: not-allowed;
  pointer-events: none;
}
.store-card-disabled:hover { background: rgba(27, 67, 50, .38); transform: none; }
.qr-box img { width: 112px; height: 112px; border-radius: 6px; object-fit: cover; }
.qr-card {
  background: var(--white);
  border: 1px solid rgba(27, 67, 50, .06);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 12px;
}
.qr-box {
  background: var(--white);
  border: 8px solid var(--green-900);
  border-radius: 14px;
  padding: 10px;
}
.qr-card p { font-size: 15px; font-weight: 600; color: var(--green-900); }
.qr-card p small { font-weight: 400; color: var(--ink-soft); }
.download-note { margin-top: 26px; color: var(--ink-soft); font-size: 14px; }

/* ===== 页脚 ===== */
.footer {
  background: var(--green-900);
  color: rgba(255, 255, 255, .82);
  padding: 56px 24px 24px;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  flex-wrap: wrap;
}
.footer .brand { color: #fff; }
.footer-brand p { margin-top: 10px; font-size: 14px; max-width: 300px; }
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14.5px;
}
.footer-links a { opacity: .8; transition: opacity .2s; }
.footer-links a:hover { opacity: 1; }
.footer-bottom {
  max-width: 1120px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}

/* ===== 滚动显现动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 56px; }
  .hero-text p { max-width: none; }
  .float-card-a { left: 8px; }
  .float-card-b { right: 8px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .download-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-download { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--cream);
    border-bottom: 1px solid rgba(27, 67, 50, .08);
    padding: 12px 24px 20px;
    gap: 16px;
  }
  .cards { grid-template-columns: 1fr; }
  .section { padding: 64px 18px; }
  .hero-inner { padding: 48px 18px 48px; }
  .hero-cta .btn { flex: 1; }
  .store-card { padding: 15px 18px; }
}