/* style.css — WPS下载站全局样式 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red: #C7000A;
  --red-dark: #9e0008;
  --red-light: #ff1a27;
  --gold: #f5a623;
  --bg: #fff;
  --bg2: #f7f8fa;
  --bg3: #eef0f4;
  --text: #1a1a1a;
  --text2: #444;
  --text3: #888;
  --border: #e0e2e8;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.14);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  --transition: .22s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; }
img { max-width: 100%; display: block; }
a { color: var(--red); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--red-dark); }
ul { list-style: none; }

/* ===== HEADER ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,.06);
}
.header-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; gap: 32px;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-text { font-size: 1.25rem; font-weight: 700; color: var(--text); letter-spacing: -.5px; }
.logo-sub { color: var(--text3); font-weight: 500; font-size: .9em; }
.main-nav { margin-left: auto; }
.main-nav ul { display: flex; gap: 4px; align-items: center; }
.main-nav a {
  display: block; padding: 6px 14px; border-radius: 8px;
  font-size: .95rem; color: var(--text2); font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a.active { background: #fff0f0; color: var(--red); }
.main-nav a.nav-cta {
  background: var(--red); color: #fff !important; padding: 7px 18px;
  border-radius: 20px;
}
.main-nav a.nav-cta:hover { background: var(--red-dark); }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px; margin-left: auto;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ===== FOOTER ===== */
.site-footer { background: #111; color: #aaa; margin-top: 80px; }
.footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 60px 24px 40px;
  display: grid; grid-template-columns: 1fr auto; gap: 48px;
}
.footer-desc { margin-top: 14px; font-size: .9rem; color: #777; max-width: 280px; line-height: 1.6; }
.footer-links { display: flex; gap: 64px; }
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 16px; font-weight: 600; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: #888; font-size: .9rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #222; padding: 18px 24px;
  text-align: center; font-size: .82rem; color: #555;
}

/* ===== COMMON ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.section-title { font-size: 2rem; font-weight: 700; color: var(--text); line-height: 1.3; margin-bottom: 12px; }
.section-sub { color: var(--text3); font-size: 1.05rem; max-width: 600px; }
.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.section-head.center .section-sub { margin: 0 auto; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 8px; font-size: 1rem; font-weight: 600;
  cursor: pointer; border: none; transition: all var(--transition);
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(199,0,10,.3); }
.btn-secondary { background: var(--bg2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg3); color: var(--text); }
.btn-lg { padding: 15px 36px; font-size: 1.1rem; border-radius: 10px; }
.btn-xl { padding: 18px 48px; font-size: 1.2rem; border-radius: 12px; }

/* ===== GRID CARDS ===== */
.card-grid { display: grid; gap: 24px; }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card-icon { width: 52px; height: 52px; margin-bottom: 18px; }
.card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.card p { color: var(--text3); font-size: .93rem; line-height: 1.65; }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #fff 0%, #fff5f5 60%, #ffeaea 100%);
  padding: 80px 0 60px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; right: -80px; top: -80px;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(199,0,10,.07) 0%, transparent 70%);
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-title { font-size: 2.6rem; font-weight: 800; line-height: 1.25; color: var(--text); margin-bottom: 20px; }
.hero-title em { color: var(--red); font-style: normal; }
.hero-desc { color: var(--text2); font-size: 1.1rem; margin-bottom: 36px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.hero-meta { margin-top: 24px; display: flex; gap: 32px; }
.hero-meta-item { font-size: .88rem; color: var(--text3); }
.hero-meta-item strong { color: var(--text); display: block; font-size: 1.4rem; font-weight: 700; }

/* ===== BADGE ===== */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: .8rem; font-weight: 600; }
.badge-red { background: #fff0f0; color: var(--red); }
.badge-green { background: #f0fff4; color: #22863a; }
.badge-blue { background: #f0f7ff; color: #0969da; }

/* ===== TABLE ===== */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
th { background: var(--bg2); font-weight: 600; font-size: .9rem; padding: 14px 20px; text-align: left; border-bottom: 1px solid var(--border); }
td { padding: 14px 20px; font-size: .93rem; border-bottom: 1px solid var(--border); color: var(--text2); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg2); }
.check { color: #22863a; font-size: 1.1rem; }
.cross { color: #aaa; }

/* ===== BREADCRUMB ===== */
.breadcrumb { padding: 14px 0; font-size: .88rem; color: var(--text3); }
.breadcrumb a { color: var(--text3); }
.breadcrumb a:hover { color: var(--red); }
.breadcrumb span { margin: 0 6px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-title { font-size: 2rem; }
  .card-grid-2, .card-grid-3, .card-grid-4 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; gap: 32px; }
  .nav-toggle { display: flex; }
  .main-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); padding: 16px; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; }
  .main-nav a { padding: 10px 16px; }
  .hero-meta { flex-wrap: wrap; gap: 16px; }
}