/* 云顶恒创科技 官网样式（布局参考快鲸官网：固定导航 + 首屏关键词 + 产品力网格 + 交替图文 + 场景/优势 + 会员价格 + 页脚） */
:root {
  --primary: #2b5cff;
  --primary-dark: #1c3fb8;
  --accent: #7b5cff;
  --text: #1f2d3d;
  --muted: #6b7a90;
  --bg-soft: #f5f8ff;
  --radius: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(0,0,0,.06);
}
.nav-inner { display: flex; align-items: center; height: 64px; gap: 32px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: #14213d; }
.logo svg, .logo img { width: 34px; height: 34px; border-radius: 30%; object-fit: cover; }
.nav-menu { display: flex; gap: 4px; flex: 1; }
.nav-menu a { padding: 8px 14px; border-radius: 8px; font-size: 15px; color: #33415c; transition: .2s; }
.nav-menu a:hover { color: var(--primary); background: var(--bg-soft); }
.nav-actions { display: flex; gap: 10px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 22px; border-radius: 999px; font-size: 15px; cursor: pointer;
  border: 1px solid transparent; transition: .2s; white-space: nowrap;
}
.btn-primary { background: linear-gradient(90deg, var(--primary), var(--accent)); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 6px 18px rgba(43,92,255,.35); }
.btn-ghost { border-color: #d8e0f0; color: #33415c; background: #fff; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-lg { padding: 13px 34px; font-size: 17px; }

/* ---------- 首屏 ---------- */
.hero {
  padding: 150px 0 90px; text-align: center; color: #fff; position: relative; overflow: hidden;
  background: radial-gradient(1200px 500px at 70% -10%, rgba(123,92,255,.45), transparent 60%),
              radial-gradient(900px 420px at 10% 20%, rgba(43,92,255,.5), transparent 55%),
              linear-gradient(160deg, #0a1633 0%, #101c46 55%, #14276b 100%);
}
.hero-kw { font-size: clamp(34px, 5.4vw, 62px); font-weight: 800; letter-spacing: 2px; }
.hero-kw .kw { margin: 0 10px; background: linear-gradient(90deg, #6ea8ff, #b78cff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { margin-top: 18px; font-size: clamp(15px, 1.6vw, 19px); color: #c6d4f5; }
.hero-desc { margin-top: 34px; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.hero-desc p { max-width: 760px; color: #9fb2dd; font-size: 15px; }
.hero-cta { margin-top: 38px; display: flex; gap: 16px; justify-content: center; }

/* ---------- 通用区块 ---------- */
.section { padding: 80px 0; }
.section.gray { background: var(--bg-soft); }
.sec-title { text-align: center; font-size: clamp(24px, 3vw, 34px); font-weight: 700; }
.sec-title em { font-style: normal; color: var(--primary); }
.sec-sub { text-align: center; color: var(--muted); margin-top: 10px; font-size: 15px; }

/* 六大产品力 */
.cap-grid { margin-top: 46px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cap-card {
  background: #fff; border-radius: var(--radius); padding: 30px 26px;
  border: 1px solid #e8eefb; transition: .25s;
}
.cap-card:hover { transform: translateY(-5px); box-shadow: 0 16px 34px rgba(31,66,155,.12); border-color: transparent; }
.cap-icon {
  width: 52px; height: 52px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #e6efff, #efe9ff); color: var(--primary); margin-bottom: 16px;
}
.cap-icon svg { width: 26px; height: 26px; }
.cap-card h3 { font-size: 18px; margin-bottom: 8px; }
.cap-card p { color: var(--muted); font-size: 14px; }

/* 交替图文 */
.feature { display: flex; align-items: center; gap: 56px; padding: 56px 0; }
.feature.reverse { flex-direction: row-reverse; }
.feature-info { flex: 1; }
.feature-info h3 { font-size: 26px; margin-bottom: 12px; }
.feature-info .lead { color: var(--muted); margin-bottom: 22px; }
.feature-info ul { list-style: none; }
.feature-info li { padding: 8px 0 8px 28px; position: relative; font-size: 15px; color: #33415c; }
.feature-info li::before {
  content: ""; position: absolute; left: 0; top: 14px; width: 16px; height: 16px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.feature-visual { flex: 1; }
.visual-card {
  border-radius: 18px; padding: 34px; color: #fff; min-height: 300px; display: flex; flex-direction: column; justify-content: center;
  background: linear-gradient(150deg, #14276b, #2b5cff 60%, #7b5cff);
  box-shadow: 0 20px 44px rgba(31,66,155,.28);
}
.visual-card.alt { background: linear-gradient(150deg, #0d2b4f, #0e7ea8 55%, #27c6a8); box-shadow: 0 20px 44px rgba(14,90,140,.25); }
.visual-card .vc-big { font-size: 40px; font-weight: 800; letter-spacing: 1px; }
.visual-card .vc-row { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.visual-card .vc-chip { background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.28); padding: 6px 14px; border-radius: 999px; font-size: 13px; }
.visual-card .vc-note { margin-top: 22px; color: rgba(255,255,255,.85); font-size: 14px; }

/* 适用场景 */
.scene-wrap { margin-top: 40px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.scene-item {
  background: #fff; border: 1px solid #e8eefb; border-radius: var(--radius); text-align: center;
  padding: 26px 10px; font-size: 15px; font-weight: 600; color: #33415c; transition: .2s;
}
.scene-item:hover { color: var(--primary); border-color: var(--primary); transform: translateY(-3px); }
.scene-item .s-icon { font-size: 26px; display: block; margin-bottom: 10px; }

/* 产品优势 */
.adv-grid { margin-top: 46px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.adv-card { background: #fff; border-radius: var(--radius); padding: 28px; border: 1px solid #e8eefb; }
.adv-card h3 { font-size: 17px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.adv-card h3 .dot { width: 10px; height: 10px; border-radius: 3px; background: linear-gradient(135deg, var(--primary), var(--accent)); }
.adv-card p { color: var(--muted); font-size: 14px; }

/* 会员价格 */
.price-grid { margin-top: 46px; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; }
.price-card {
  background: #fff; border-radius: 18px; border: 1px solid #e8eefb; padding: 34px 28px; text-align: center; position: relative; transition: .25s;
}
.price-card:hover { transform: translateY(-5px); box-shadow: 0 16px 34px rgba(31,66,155,.12); }
.price-card.hot { border: 2px solid var(--primary); }
.price-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(90deg, var(--primary), var(--accent)); color: #fff;
  font-size: 12px; padding: 4px 16px; border-radius: 999px;
}
.price-name { font-size: 19px; font-weight: 700; }
.price-num { margin: 14px 0 4px; font-size: 42px; font-weight: 800; color: var(--primary); }
.price-num small { font-size: 15px; color: var(--muted); font-weight: 400; }
.price-gift { color: #e6792b; font-size: 14px; margin-bottom: 18px; }
.price-feats { list-style: none; text-align: left; margin-bottom: 24px; }
.price-feats li { padding: 7px 0 7px 24px; position: relative; font-size: 14px; color: #33415c; border-bottom: 1px dashed #eef2fa; }
.price-feats li::before {
  content: ""; position: absolute; left: 0; top: 13px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--primary);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.price-note { color: var(--muted); font-size: 13px; margin-top: 18px; }

/* CTA */
.cta { background: linear-gradient(150deg, #0a1633, #14276b); border-radius: 22px; padding: 56px 40px; text-align: center; color: #fff; }
.cta h2 { font-size: clamp(22px, 3vw, 30px); }
.cta p { color: #9fb2dd; margin: 12px 0 28px; }

/* 页脚 */
footer { background: #0d1526; color: #8fa0bf; padding: 60px 0 30px; margin-top: 80px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; }
.foot-brand .logo { color: #fff; margin-bottom: 14px; }
.foot-brand p { font-size: 13px; line-height: 1.9; }
footer h4 { color: #dce5f5; font-size: 15px; margin-bottom: 14px; }
footer ul { list-style: none; font-size: 13px; line-height: 2.1; }
footer a:hover { color: #fff; }
.copyright { border-top: 1px solid rgba(255,255,255,.08); margin-top: 40px; padding-top: 22px; text-align: center; font-size: 12.5px; color: #66748f; }

@media (max-width: 900px) {
  .nav-menu { display: none; }
  .cap-grid, .adv-grid { grid-template-columns: 1fr; }
  .scene-wrap { grid-template-columns: repeat(2, 1fr); }
  .feature, .feature.reverse { flex-direction: column; gap: 26px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}