/* ==========================================================
   野星体育 · 官网静态页
   由 Ardot 设计稿 721394003783224 一比一还原
   画布 1440px，窄屏整体等比缩放（见 script.js）
   ========================================================== */

:root {
  --orange: #FF5A1F;
  --ink: #101828;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-400: #9CA3AF;
  --bg-light: #F7F8FA;
  --card-bg: #F9FAFB;
  --border-soft: #EDF0F5;
  --border-card: #E6E8EB;
  --badge-bg: #FFF1E8;
  --badge-border: #FFD4BD;
  --badge-text: #C2410C;
  --footer-bg: #0F172A;
  --footer-panel: #334254;
  --footer-border: #1F293B;
  --footer-text: #94A3B8;
  --footer-title: #F1F5F9;
  --footer-dim: #64748B;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

img { display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; border: none; cursor: pointer; background: none; }

/* ---------- 等比缩放容器 ---------- */
.viewport { overflow: hidden; }
.page {
  /* width: 1440px; */
  margin: 0 auto;
  transform-origin: top center;
}

/* ---------- Header ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 64px;
  background: #fff;
  border-bottom: 1px solid var(--border-soft);
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-group svg { width: 30px; height: 30px; }
.logo-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.nav-links { display: flex; align-items: center; gap: 40px; }
.nav-links a {
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-700);
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--orange); }

.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: 10px;
  background: var(--orange);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  transition: background .15s ease;
}
.btn-download:hover { background: #e84e15; }

/* ---------- Hero ---------- */
.hero {
  display: flex;
  align-items: center;
  gap: 64px;
  padding: 88px 64px;
  background: linear-gradient(to right, #FFF5F0, #FFFFFF);
}

.hero-copy {
  width: 600px;
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  font-size: 14px;
  font-weight: 500;
  color: var(--badge-text);
}
.hero-badge .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
}

.hero-title {
  font-size: 56px;
  line-height: 72px;
  font-weight: 700;
  color: var(--ink);
}

.hero-sub {
  font-size: 18px;
  line-height: 32px;
  color: var(--gray-600);
}

.hero-cta-row { display: flex; align-items: center; gap: 16px; }

.store-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 500;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.store-btn svg { width: 22px; height: 22px; flex: none; }

.store-btn.ios {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 8px 24px -6px rgba(15, 23, 42, .2);
}
.store-btn.ios:hover { background: #1d2939; }

.store-btn.android {
  background: #fff;
  color: #1F2937;
  border: 1px solid var(--border-card);
}
.store-btn.android:hover { border-color: #c9ced6; }

.hero-trust {
  font-size: 14px;
  color: var(--gray-400);
}

.hero-photo {
  flex: 1;
  min-width: 0;
}
.hero-photo img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: 0 24px 48px -12px rgba(15, 23, 42, .14);
}

/* ---------- Features ---------- */
.features {
  padding: 96px 64px;
  background: var(--bg-light);
  display: flex;
  flex-direction: column;
  gap: 72px;
}

.section-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.eyebrow {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--orange);
}
.section-title {
  font-size: 40px;
  font-weight: 700;
  color: var(--ink);
}
.section-desc {
  font-size: 17px;
  color: var(--gray-500);
}

.feature-row {
  display: flex;
  align-items: center;
  gap: 56px;
}
.feature-row.reverse { flex-direction: row-reverse; }

.feature-img {
  flex: none;
  width: 560px;
  height: 360px;
  border-radius: 20px;
  overflow: hidden;
}
.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-copy {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.feature-tag {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--orange);
}
.feature-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
}
.feature-desc {
  font-size: 16px;
  line-height: 28px;
  color: var(--gray-600);
}
.feature-bullets {
  font-size: 15px;
  line-height: 32px;
  font-weight: 500;
  color: var(--gray-700);
}

/* ---------- FAQ ---------- */
.faq {
  padding: 96px 64px;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}
.faq .section-desc { font-size: 16px; }

.faq-list {
  width: 960px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.qa-card {
  background: var(--card-bg);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
}

.qa-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.qa-question {
  flex: 1;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}
.qa-chevron {
  flex: none;
  width: 20px;
  height: 20px;
  transition: transform .25s ease;
}
.qa-card.closed .qa-chevron { transform: rotate(-90deg); }

.qa-answer-wrap {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows .25s ease;
}
.qa-card.closed .qa-answer-wrap { grid-template-rows: 0fr; }
.qa-answer {
  overflow: hidden;
  font-size: 15px;
  line-height: 26px;
  color: var(--gray-500);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--footer-bg);
  padding: 72px 64px 32px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 64px;
}

.footer-brand {
  width: 400px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.footer-logo-group {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo-group svg { width: 26px; height: 26px; }
.footer-logo-name {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}
.footer-tagline {
  font-size: 14px;
  line-height: 24px;
  color: var(--footer-text);
}
.footer-download-row { display: flex; gap: 12px; }
.footer-dl-btn {
  padding: 9px 18px;
  border-radius: 8px;
  background: var(--footer-panel);
  border: 1px solid var(--footer-panel);
  color: #E2E8F0;
  font-size: 13px;
  font-weight: 500;
  transition: background .15s ease;
}
.footer-dl-btn:hover { background: #3d4c61; }

.footer-links { display: flex; gap: 72px; }
.footer-col { display: flex; flex-direction: column; gap: 16px; }
.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--footer-title);
}
.footer-col a {
  display: block;
  font-size: 13px;
  line-height: 28px;
  color: var(--footer-text);
  transition: color .15s ease;
}
.footer-col a:hover { color: #E2E8F0; }

.footer-bottom {
  border-top: 1px solid var(--footer-border);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-bottom p {
  font-size: 12px;
  color: var(--footer-dim);
}