/* 开云体育 k-y.diy 全局样式 */
:root {
  --primary: #1a5f2a;
  --primary-dark: #0f3d1a;
  --primary-light: #2d8a42;
  --accent: #f5a623;
  --bg: #f7f9f8;
  --card: #ffffff;
  --text: #1a1a1a;
  --text-muted: #5a5a5a;
  --border: #e2e8e4;
  --shadow: 0 4px 24px rgba(26, 95, 42, 0.08);
  --radius: 12px;
  --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;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-light); }

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

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

/* Header */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.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 { width: 48px; height: 48px; border-radius: 10px; object-fit: cover; }
.logo-text { font-size: 1.25rem; font-weight: 700; color: var(--primary-dark); white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.main-nav a {
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
}
.main-nav a:hover, .main-nav a.active { background: rgba(26,95,42,0.08); color: var(--primary); }

.header-actions { display: flex; gap: 8px; flex-shrink: 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); color: #fff; }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-accent { background: var(--accent); color: #1a1a1a; }
.btn-accent:hover { filter: brightness(1.05); color: #1a1a1a; }

.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--primary); }

/* Breadcrumb */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  color: #fff;
  padding: 60px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/images/开云体育首页.jpg") center/cover no-repeat;
  opacity: 0.12;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero h1 { font-size: 2.4rem; line-height: 1.3; margin-bottom: 20px; }
.hero-lead { font-size: 1.125rem; opacity: 0.92; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-actions .btn { padding: 14px 28px; font-size: 1rem; }
.hero-img { border-radius: var(--radius); overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--card); }
.section-title { font-size: 1.75rem; color: var(--primary-dark); margin-bottom: 12px; text-align: center; }
.section-subtitle { text-align: center; color: var(--text-muted); margin-bottom: 40px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* Feature cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(26,95,42,0.12); }
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-card h3 { font-size: 1.125rem; color: var(--primary-dark); margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }

/* Content blocks */
.content-block { max-width: 860px; margin: 0 auto; }
.content-block h2 { font-size: 1.5rem; color: var(--primary-dark); margin: 36px 0 16px; padding-bottom: 8px; border-bottom: 2px solid var(--border); }
.content-block h3 { font-size: 1.2rem; color: var(--primary); margin: 24px 0 12px; }
.content-block p { margin-bottom: 16px; color: var(--text); }
.content-block ul, .content-block ol { margin: 12px 0 16px 24px; color: var(--text); }
.content-block li { margin-bottom: 8px; }

/* Sports grid */
.sports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.sport-item {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.2s;
}
.sport-item:hover { transform: scale(1.03); }
.sport-item img { width: 100%; height: 140px; object-fit: cover; }
.sport-item h3 { padding: 14px; font-size: 1rem; color: var(--primary-dark); }

/* Partners */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 20px;
  align-items: center;
}
.partner-item {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  border: 1px solid var(--border);
}
.partner-item img { max-height: 60px; margin: 0 auto; object-fit: contain; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--card);
  border-radius: var(--radius);
  margin-bottom: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
}
.faq-item summary {
  padding: 18px 22px;
  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: 1.25rem; color: var(--primary); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 22px 18px; color: var(--text-muted); }

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  text-align: center;
  padding: 56px 20px;
  border-radius: var(--radius);
  margin: 0 20px;
}
.cta-section h2 { font-size: 1.75rem; margin-bottom: 12px; }
.cta-section p { opacity: 0.9; margin-bottom: 24px; }

/* Forms */
.form-page { padding: 48px 0 80px; }
.form-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--card);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.form-card h1 { font-size: 1.5rem; color: var(--primary-dark); margin-bottom: 8px; text-align: center; }
.form-card .form-desc { text-align: center; color: var(--text-muted); margin-bottom: 28px; font-size: 0.95rem; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
.form-group input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s;
}
.form-group input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,95,42,0.12); }
.form-card .btn { width: 100%; padding: 14px; font-size: 1rem; margin-top: 8px; }
.form-footer { text-align: center; margin-top: 20px; font-size: 0.9rem; color: var(--text-muted); }
.form-seo-content { max-width: 800px; margin: 48px auto 0; }

/* Legal pages */
.legal-page { padding: 40px 0 80px; }
.legal-page h1 { font-size: 2rem; color: var(--primary-dark); margin-bottom: 24px; }
.legal-page h2 { font-size: 1.25rem; color: var(--primary); margin: 28px 0 12px; }
.legal-page p, .legal-page li { color: var(--text); margin-bottom: 12px; }
.legal-page ul { margin-left: 24px; }

/* Error pages */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}
.error-code { font-size: 6rem; font-weight: 800; color: var(--primary); line-height: 1; }
.error-page h1 { font-size: 1.5rem; 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(255,255,255,0.85);
  padding: 48px 0 24px;
  margin-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand img { width: 56px; border-radius: 10px; margin-bottom: 12px; }
.footer-brand p { font-size: 0.9rem; opacity: 0.8; line-height: 1.6; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.footer-col a { display: block; color: rgba(255,255,255,0.75); font-size: 0.9rem; margin-bottom: 8px; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Internal links highlight */
.inline-links { margin: 20px 0; }
.inline-links a { margin-right: 16px; font-weight: 500; }

/* Image + text alternating blocks */
.media-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 48px;
}
.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: 1.35rem; color: var(--primary-dark); margin-bottom: 14px; }
.media-row p { color: var(--text-muted); margin-bottom: 12px; }

/* Showcase cards with image */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.showcase-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.showcase-card img { width: 100%; height: 200px; object-fit: cover; }
.showcase-card .showcase-body { padding: 20px; }
.showcase-card h3 { font-size: 1.1rem; color: var(--primary-dark); margin-bottom: 10px; }
.showcase-card p { font-size: 0.92rem; color: var(--text-muted); }

/* Benefit / member cards */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.benefit-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.2s;
}
.benefit-card:hover { transform: translateY(-3px); }
.benefit-card img { width: 100%; height: 160px; object-fit: cover; }
.benefit-card .benefit-body { padding: 16px; }
.benefit-card h3 { font-size: 1rem; color: var(--primary-dark); margin-bottom: 8px; }
.benefit-card p { font-size: 0.88rem; color: var(--text-muted); }

/* Ambassador block */
.ambassador-block {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 36px;
  align-items: center;
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.ambassador-block img { border-radius: var(--radius); width: 100%; }

/* Supplier logos */
.supplier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
}
.supplier-item {
  background: var(--card);
  border-radius: 8px;
  padding: 14px;
  text-align: center;
  border: 1px solid var(--border);
}
.supplier-item img { max-height: 48px; margin: 0 auto; object-fit: contain; }

/* Figure with caption */
.figure-block { margin: 28px 0; text-align: center; }
.figure-block img { margin: 0 auto; border-radius: var(--radius); box-shadow: var(--shadow); }
.figure-block figcaption { margin-top: 10px; font-size: 0.88rem; color: var(--text-muted); }

/* App screenshots row */
.screenshot-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0;
}
.screenshot-item {
  text-align: center;
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--border);
}
.screenshot-item img {
  border-radius: 10px;
  margin: 0 auto 12px;
  max-height: 360px;
  object-fit: contain;
}
.screenshot-item h4 { font-size: 0.95rem; color: var(--primary-dark); }
.screenshot-item p { font-size: 0.85rem; color: var(--text-muted); margin-top: 6px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-img { order: -1; max-width: 400px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .media-row, .ambassador-block { grid-template-columns: 1fr; }
  .media-row.reverse { direction: ltr; }
  .screenshot-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card);
    flex-direction: column;
    padding: 12px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .header-actions { display: none; }
  .hero h1 { font-size: 1.75rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 40px 0; }
}