/* 开云体育官网 - k-y.mom */
:root {
  --primary: #1a5f2a;
  --primary-dark: #0f3d1a;
  --primary-light: #2d8a3e;
  --accent: #f5c518;
  --accent-hover: #e6b800;
  --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;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

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

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

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

/* Ads bar */
.ads-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  position: sticky;
  top: 68px;
  z-index: 900;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
#ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px 16px;
  background: transparent;
  min-height: 88px;
}
#ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 76px;
  box-sizing: border-box;
}
#ads figure { margin: 0; }
#ads img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 4px 14px rgba(24,24,24,.12);
  transition: transform .18s ease, box-shadow .18s ease;
  display: block;
  border: 2px solid #fff;
  background: #fff;
}
#ads a {
  display: block;
  text-decoration: none;
  border-radius: 16px;
  padding: 2px;
  -webkit-tap-highlight-color: transparent;
}
#ads a:active img,
#ads a:hover img {
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 8px 20px rgba(24,24,24,.2);
}
#ads .caption {
  margin-top: 6px;
  font-size: 11px;
  line-height: 1.3;
  color: #555;
  text-align: center;
  max-width: 76px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Header */
.site-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}

.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: 1.25rem; 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,.9);
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: .95rem;
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active { background: rgba(255,255,255,.15); color: #fff; }

.header-actions { 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-weight: 600;
  font-size: .95rem;
  border: none;
  cursor: pointer;
  transition: all .2s;
  text-align: center;
}
.btn-primary { background: var(--accent); color: var(--primary-dark); }
.btn-primary:hover { background: var(--accent-hover); color: var(--primary-dark); }
.btn-outline { background: transparent; border: 2px solid #fff; color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.15); color: #fff; }
.btn-green { background: var(--primary-light); color: #fff; }
.btn-green:hover { background: var(--primary); color: #fff; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #2d6b3a 100%);
  color: #fff;
  padding: 60px 0 70px;
}
.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: 1.1rem; opacity: .92; margin-bottom: 28px; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-img { border-radius: 12px; box-shadow: 0 8px 32px rgba(0,0,0,.3); }

/* Sections */
section { padding: 56px 0; }
section:nth-child(even) { background: #fff; }

.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.section-title h2 {
  font-size: 1.8rem;
  color: var(--primary-dark);
  margin-bottom: 10px;
}
.section-title p { color: var(--text-muted); font-size: 1.05rem; }
.section-title .title-line {
  width: 60px;
  height: 4px;
  background: var(--accent);
  margin: 14px auto 0;
  border-radius: 2px;
}

/* Cards Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 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: 1.15rem; color: var(--primary-dark); margin-bottom: 10px; }
.card-body p { color: var(--text-muted); font-size: .95rem; }

/* Download Section */
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.download-card {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: border-color .2s;
}
.download-card:hover { border-color: var(--primary-light); }
.download-card .icon { font-size: 3rem; margin-bottom: 16px; }
.download-card h3 { color: var(--primary-dark); margin-bottom: 12px; }
.download-card p { color: var(--text-muted); margin-bottom: 20px; font-size: .95rem; }

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-item {
  text-align: center;
  padding: 28px 16px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.feature-item .feat-icon { font-size: 2.5rem; margin-bottom: 12px; }
.feature-item h3 { font-size: 1rem; color: var(--primary-dark); margin-bottom: 8px; }
.feature-item p { font-size: .88rem; color: var(--text-muted); }

/* Partners */
.partner-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
}
.partner-grid img {
  height: 50px;
  width: auto;
  object-fit: contain;
  filter: grayscale(30%);
  opacity: .85;
  transition: all .2s;
}
.partner-grid img:hover { filter: none; opacity: 1; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-item summary {
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  color: var(--primary-dark);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--primary-light); }
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-answer { padding: 0 22px 18px; color: var(--text-muted); }

/* Content Article */
.content-article { max-width: 860px; margin: 0 auto; }
.content-article h2 { font-size: 1.5rem; color: var(--primary-dark); margin: 32px 0 14px; }
.content-article h3 { font-size: 1.2rem; color: var(--primary); margin: 24px 0 10px; }
.content-article p { margin-bottom: 16px; color: var(--text); }
.content-article ul, .content-article ol { margin: 0 0 16px 24px; color: var(--text); }
.content-article li { margin-bottom: 8px; }
.content-article img { border-radius: var(--radius); margin: 20px auto; box-shadow: var(--shadow); }

/* Breadcrumb */
.breadcrumb {
  padding: 14px 0;
  font-size: .9rem;
  color: var(--text-muted);
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 40px 0;
  text-align: center;
}
.page-header h1 { font-size: 2rem; margin-bottom: 8px; }
.page-header p { opacity: .88; }

/* Form Pages */
.form-section { padding: 48px 0 64px; }
.form-wrapper {
  max-width: 480px;
  margin: 0 auto;
  background: #fff;
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.form-wrapper h2 { text-align: center; color: var(--primary-dark); margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: .9rem; }
.form-group input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color .2s;
}
.form-group input:focus { outline: none; border-color: var(--primary-light); }
.form-submit { width: 100%; margin-top: 8px; }
.form-links { text-align: center; margin-top: 18px; font-size: .9rem; color: var(--text-muted); }
.form-links a { font-weight: 600; }
.form-img { border-radius: var(--radius); margin-bottom: 24px; }

.seo-content {
  max-width: 860px;
  margin: 40px auto 0;
  padding: 0 20px;
}
.seo-content h2 { font-size: 1.3rem; color: var(--primary-dark); margin-bottom: 12px; }
.seo-content p { color: var(--text-muted); margin-bottom: 12px; font-size: .95rem; }

/* Error Pages */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
}
.error-code { font-size: 6rem; font-weight: 800; color: var(--primary); line-height: 1; }
.error-page h1 { font-size: 1.8rem; margin: 16px 0; color: var(--primary-dark); }
.error-page p { color: var(--text-muted); margin-bottom: 28px; }

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,.85);
  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: .9rem; line-height: 1.6; opacity: .8; }
.footer-col h4 { color: #fff; margin-bottom: 14px; font-size: 1rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,.75); font-size: .9rem; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.15);
  padding-top: 20px;
  text-align: center;
  font-size: .85rem;
  opacity: .7;
}

/* Image + Text rows */
.media-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  margin-bottom: 40px;
}
.media-row.reverse { direction: rtl; }
.media-row.reverse > * { direction: ltr; }
.media-row img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
}
.media-row h3 {
  font-size: 1.25rem;
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.media-row p { color: var(--text-muted); margin-bottom: 10px; }

/* Promo gallery */
.promo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.promo-item {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform .2s;
}
.promo-item:hover { transform: translateY(-3px); }
.promo-item img { width: 100%; height: 200px; object-fit: cover; }
.promo-item .promo-caption {
  padding: 16px;
}
.promo-item h3 { font-size: 1rem; color: var(--primary-dark); margin-bottom: 6px; }
.promo-item p { font-size: .88rem; color: var(--text-muted); }

/* Supplier cards */
.supplier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.supplier-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--shadow);
}
.supplier-card img {
  height: 48px;
  width: auto;
  margin: 0 auto 14px;
  object-fit: contain;
}
.supplier-card h3 { font-size: .95rem; color: var(--primary-dark); margin-bottom: 6px; }
.supplier-card p { font-size: .85rem; color: var(--text-muted); }

/* Showcase banner */
.showcase-banner {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 32px;
}
.showcase-banner img { width: 100%; }

/* Club partners expanded */
.club-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Internal links highlight */
.internal-links {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 32px 0;
}
.internal-links h3 { font-size: 1.1rem; color: var(--primary-dark); margin-bottom: 14px; }
.internal-links ul { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 20px; }
.internal-links a { font-size: .9rem; }

/* Responsive */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; }
  /* .hero-img { max-width: 500px; margin: 0 auto; } */
  .download-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .media-row { grid-template-columns: 1fr; }
  .media-row.reverse { direction: ltr; }
  .promo-grid { grid-template-columns: repeat(2, 1fr); }
  .club-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .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; }
  .header-inner { position: relative; flex-wrap: wrap; }
  .header-actions { width: 100%; justify-content: center; margin-top: 8px; }
  .hero h1 { font-size: 1.6rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .promo-grid { grid-template-columns: 1fr; }
  .club-grid { grid-template-columns: 1fr; }
  #ads > div { width: 72px; }
  #ads img { width: 60px; height: 60px; }
  .ads-bar { top: 60px; }
}