/* ===== YABO yabo.skin - Global Styles ===== */
:root {
  --primary: #1a5f2a;
  --primary-dark: #0f3d1a;
  --primary-light: #2d8a3e;
  --accent: #f5a623;
  --accent-hover: #e09010;
  --bg: #f8faf8;
  --bg-card: #ffffff;
  --text: #1a1a1a;
  --text-muted: #555;
  --border: #e0e8e0;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
  --radius: 8px;
  --max-width: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ===== Header ===== */
.site-header {
  background: var(--primary-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 16px;
}

.logo-link { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-link img { height: 44px; width: auto; border-radius: 4px; }
.logo-text { color: #fff; font-size: 1.15rem; font-weight: 700; white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.main-nav a {
  color: rgba(255,255,255,.88);
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: .9rem;
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active { color: #fff; background: rgba(255,255,255,.12); }

.nav-cta { display: flex; gap: 8px; flex-shrink: 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .2s;
  text-align: center;
}
.btn-primary { background: var(--accent); color: #1a1a1a; }
.btn-primary:hover { background: var(--accent-hover); color: #1a1a1a; }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.6); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.1); color: #fff; }
.btn-green { background: var(--primary-light); color: #fff; }
.btn-green:hover { background: var(--primary); color: #fff; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }

.menu-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; padding: 4px; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #2a7a3a 100%);
  color: #fff;
  padding: 60px 0 70px;
}
.hero h1,
.hero .hero-lead,
.hero .badge { color: #fff; }
.hero a:not(.btn) { color: rgba(255,255,255,.9); }
.hero a:not(.btn):hover { color: #fff; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero h1 { font-size: 2.2rem; line-height: 1.3; margin-bottom: 16px; }
.hero-lead { font-size: 1.05rem; opacity: .92; margin-bottom: 28px; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-badges { display: flex; gap: 16px; flex-wrap: wrap; }
.badge {
  background: rgba(255,255,255,.15);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: .82rem;
}
.hero-img { border-radius: 12px; box-shadow: 0 8px 32px rgba(0,0,0,.3); }

/* ===== Sections ===== */
section { padding: 56px 0; }
/* 按 section 顺序交替背景，不受 ads-bar 等 div 影响 */
section:nth-of-type(even) { background: #fff; }

.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 { font-size: 1.75rem; color: var(--primary-dark); margin-bottom: 10px; }
.section-header p { color: var(--text-muted); max-width: 640px; margin: 0 auto; }

/* ===== Cards Grid ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
  border: 1px solid var(--border);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.card-img { width: 100%; height: 180px; object-fit: cover; }
.card-body { padding: 20px; }
.card-body h3 { font-size: 1.1rem; color: var(--primary-dark); margin-bottom: 8px; }
.card-body p { color: var(--text-muted); font-size: .92rem; }
.card-body .btn { margin-top: 14px; width: 100%; }

/* ===== Feature List ===== */
.feature-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }
.feature-item { display: flex; gap: 16px; }
.feature-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.feature-item h3 { font-size: 1rem; margin-bottom: 6px; color: var(--primary-dark); }
.feature-item p { font-size: .9rem; color: var(--text-muted); }

/* ===== Two Column ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }
.col-img img { border-radius: var(--radius); box-shadow: var(--shadow); }
.col-text h2 { font-size: 1.5rem; color: var(--primary-dark); margin-bottom: 14px; }
.col-text p { color: var(--text-muted); margin-bottom: 12px; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  background: #fff;
}
.faq-item summary {
  padding: 16px 20px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--primary-dark);
}
.faq-item summary::after { content: "+"; font-size: 1.2rem; color: var(--primary); }
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-answer { padding: 0 20px 16px; color: var(--text-muted); font-size: .93rem; }

/* ===== Article / Content ===== */
.content-page { padding: 48px 0 64px; }
.content-page .container { max-width: 860px; }
.content-page h1 { font-size: 2rem; color: var(--primary-dark); margin-bottom: 12px; }
.content-page .meta { color: var(--text-muted); font-size: .88rem; margin-bottom: 32px; }
.content-page h2 { font-size: 1.35rem; color: var(--primary-dark); margin: 32px 0 12px; }
.content-page h3 { font-size: 1.1rem; color: var(--primary); margin: 24px 0 10px; }
.content-page p { margin-bottom: 14px; color: var(--text); }
.content-page ul, .content-page ol { margin: 0 0 16px 24px; color: var(--text-muted); }
.content-page li { margin-bottom: 6px; }
.content-page a { text-decoration: underline; }

.breadcrumb {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  padding-top: 20px;
}
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb span { margin: 0 6px; }

/* ===== Form Pages ===== */
.form-page { padding: 48px 0 64px; }
.form-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.form-box {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px;
  border: 1px solid var(--border);
}
.form-box h1 { font-size: 1.6rem; color: var(--primary-dark); margin-bottom: 6px; }
.form-box .subtitle { color: var(--text-muted); font-size: .9rem; margin-bottom: 28px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: .95rem;
  font-family: var(--font);
  transition: border-color .2s;
}
.form-group input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,95,42,.12); }
.form-submit { width: 100%; margin-top: 8px; }
.form-footer { text-align: center; margin-top: 20px; font-size: .88rem; color: var(--text-muted); }
.seo-sidebar h2 { font-size: 1.3rem; color: var(--primary-dark); margin-bottom: 14px; }
.seo-sidebar p { color: var(--text-muted); font-size: .93rem; margin-bottom: 12px; }
.seo-sidebar ul { margin: 0 0 16px 20px; color: var(--text-muted); font-size: .93rem; }

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  text-align: center;
  padding: 56px 20px;
}
.cta-banner h2 { font-size: 1.75rem; margin-bottom: 12px; }
.cta-banner p { opacity: .9; margin-bottom: 24px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ===== Download Section ===== */
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  text-align: center;
}
.download-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  box-shadow: var(--shadow);
}
.download-item img { width: 80px; margin: 0 auto 14px; border-radius: 12px; }
.download-item h3 { font-size: 1rem; margin-bottom: 8px; color: var(--primary-dark); }
.download-item p { font-size: .85rem; color: var(--text-muted); margin-bottom: 14px; }

/* ===== Stats ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
  padding: 40px 0;
}
.stat-item { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.stat-num { font-size: 2rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: .85rem; color: var(--text-muted); margin-top: 4px; }

/* ===== News ===== */
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.news-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.news-tag {
  display: inline-block;
  background: rgba(26,95,42,.1);
  color: var(--primary);
  font-size: .75rem;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
}
.news-item h3 { font-size: 1rem; margin-bottom: 8px; }
.news-item h3 a { color: var(--text); text-decoration: none; }
.news-item h3 a:hover { color: var(--primary); }
.news-item p { font-size: .88rem; color: var(--text-muted); }

/* ===== Footer ===== */
.site-footer {
  background: #111;
  color: rgba(255,255,255,.7);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand img { height: 40px; border-radius: 4px; margin-bottom: 12px; }
.footer-brand p { font-size: .88rem; line-height: 1.6; }
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,.65); font-size: .88rem; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .82rem;
}

/* ===== Image Showcase ===== */
.img-banner {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.img-banner img { width: 100%; }
.img-banner figcaption {
  background: #fff;
  padding: 16px 20px;
  font-size: .9rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  line-height: 1.7;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.showcase-item {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.showcase-item img { width: 100%; height: 260px; object-fit: cover; }
.showcase-item .showcase-body { padding: 20px; }
.showcase-item h3 { font-size: 1.05rem; color: var(--primary-dark); margin-bottom: 8px; }
.showcase-item p { font-size: .88rem; color: var(--text-muted); margin-bottom: 12px; }

.img-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform .2s;
}
.gallery-item:hover { transform: translateY(-3px); }
.gallery-item img { width: 100%; height: 200px; object-fit: cover; }
.gallery-item figcaption {
  padding: 14px 16px;
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.gallery-item figcaption strong {
  display: block;
  color: var(--primary-dark);
  font-size: .92rem;
  margin-bottom: 4px;
}

.media-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 48px;
}
.media-row:last-child { margin-bottom: 0; }
.media-row.flip .media-img { order: 2; }
.media-row.flip .media-text { order: 1; }
.media-img img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
}
.media-text h3 { font-size: 1.3rem; color: var(--primary-dark); margin-bottom: 12px; }
.media-text p { color: var(--text-muted); font-size: .93rem; margin-bottom: 10px; }

.promo-block {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.promo-img img { border-radius: var(--radius); width: 100%; }
.promo-text h2 { font-size: 1.5rem; color: var(--primary-dark); margin-bottom: 12px; }
.promo-text p { color: var(--text-muted); margin-bottom: 10px; font-size: .93rem; }
.promo-list { margin: 16px 0; padding: 0; list-style: none; }
.promo-list li {
  padding: 8px 0 8px 28px;
  position: relative;
  font-size: .9rem;
  color: var(--text);
  border-bottom: 1px dashed var(--border);
}
.promo-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.download-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-align: center;
}
.download-card .dl-preview {
  width: 100%;
  height: 200px;
  object-fit: contain;
  background: linear-gradient(180deg, #f0f7f0 0%, #fff 100%);
  padding: 16px;
}
.download-card .dl-body { padding: 20px; }
.download-card h3 { font-size: 1.05rem; color: var(--primary-dark); margin-bottom: 8px; }
.download-card p { font-size: .85rem; color: var(--text-muted); margin-bottom: 14px; line-height: 1.6; }

.sports-banner img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 32px;
}

.news-item-with-img { padding: 0; overflow: hidden; }
.news-item-with-img img { width: 100%; height: 160px; object-fit: cover; }
.news-item-with-img .news-body { padding: 16px 20px; }

/* ===== APP Ads Bar ===== */
.ads-bar {
  background: linear-gradient(180deg, #e8f2ea 0%, #f0f7f1 100%);
  border-bottom: 1px solid #c5dcc8;
  padding: 14px 0;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  color: var(--text);
}

#applist { text-align: center; color: var(--text); }

#applist .applist-title {
  font-weight: 700;
  font-size: .92rem;
  color: var(--primary-dark);
  margin-bottom: 10px;
  letter-spacing: .5px;
}

#ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px 20px;
  background: transparent;
  margin: 10px 0 0;
  color: var(--text);
}

#ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 76px;
  box-sizing: border-box;
}

#ads figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#ads img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(24, 24, 24, 0.12);
  transition: transform 180ms ease, box-shadow 180ms ease;
  display: block;
  border: none;
  background: #fff;
}

#ads a {
  display: inline-block;
  text-decoration: none;
  border-radius: 15px;
  color: inherit;
}

#ads img:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(24, 24, 24, 0.18);
}

#ads figcaption,
#ads .caption {
  margin-top: 6px;
  min-height: 18px;
  line-height: 18px;
  font-size: 12px;
  font-weight: 600;
  color: #1a1a1a;
  text-align: center;
  max-width: 76px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

main > .ads-bar + .content-page { padding-top: 32px; }
main > .ads-bar + .content-page .breadcrumb { padding-top: 0; }

.page-404 { text-align: center; padding: 40px 20px 60px; }
.page-404 .code { font-size: 5rem; font-weight: 700; color: var(--primary); line-height: 1; margin-bottom: 16px; }
.page-404 h1 { font-size: 1.6rem; color: var(--primary-dark); margin-bottom: 12px; }
.page-404-desc { color: var(--text-muted); max-width: 480px; margin: 0 auto 28px; }
.page-404-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .showcase-grid, .img-gallery, .media-row, .promo-block { grid-template-columns: 1fr; }
  .media-row.flip .media-img, .media-row.flip .media-text { order: unset; }
  .hero-grid, .two-col, .form-layout { grid-template-columns: 1fr; }
  .two-col.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--primary-dark);
    flex-direction: column;
    padding: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,.2);
  }
  .main-nav.open { display: flex; }
  .nav-cta { display: none; }
  .hero { padding: 40px 0 50px; }
  .hero h1 { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .form-box { padding: 24px; }
  .ads-bar { padding: 12px 0; }
  #ads > div { width: 72px; }
  #ads img { width: 60px; height: 60px; }
}