/* apexsee.com 静态官网（单页版）—— 零依赖、零 JS、nginx 直服
   设计：雨过青瓷绿 · 单屏极简 · 山脊装饰
   ⚠️ 页脚备案信息（ICP + 公安）是备案载体，任何改动不可删除 */

:root {
  --bg: #fafbfa;
  --bg-soft: #f2f6f4;
  --ink: #1c2b25;
  --muted: #5d6f68;
  --brand: #1d3c2f;
  --celadon: #7ea89a;
  --line: #e3e9e6;
}

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

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ── 单屏布局：内容居中 + 山脊贴底 + 页脚 ── */
body.single { display: flex; flex-direction: column; min-height: 100vh; }

.stage {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 72%, #e8efec 100%);
}

.stage-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px 90px;
}

/* ── 左上角品牌锁排（VI：标 + 字等高一体）── */
.topbar { padding: 26px 32px; }
.brand {
  display: inline-flex; align-items: center; gap: 11px;
  text-decoration: none;
}
.brand-badge {
  width: 34px; height: 34px; flex: none;
  background: var(--brand); border-radius: 26%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(29, 60, 47, .16);
}
.brand-badge img { width: 21px; height: auto; display: block; }
.brand-name {
  font-size: 19px; font-weight: 700; letter-spacing: .15em;
  color: var(--brand); line-height: 34px; /* 与 badge 等高 */
}

/* ── Hero ── */
.hero-line {
  font-size: clamp(22px, 3.2vw, 32px); font-weight: 600; color: var(--ink);
  letter-spacing: .02em; line-height: 1.5;
}
.hero-line .brand-strong { color: var(--brand); font-weight: 700; }
.hero-line .em { color: var(--brand); border-bottom: 3px solid var(--celadon); padding-bottom: 2px; }

/* ── 联系方式（图标 + 值）── */
.contact { margin-top: 34px; font-size: 15px; }
.contact-item {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--muted); text-decoration: none; white-space: nowrap;
  transition: color .15s ease;
}
.contact-item svg { flex: none; opacity: .85; }
.contact-item:hover { color: var(--brand); }
.sep { color: var(--line); margin: 0 14px; }

/* ── 山脊装饰 ── */
.ridges {
  position: absolute; left: 0; right: 0; bottom: 0;
  line-height: 0; pointer-events: none;
}
.ridges svg { width: 100%; height: 300px; display: block; }

/* ── 页脚（备案载体，单行，勿删改链接）── */
footer {
  position: relative; z-index: 1;
  background: #f7f9f8; border-top: 1px solid var(--line);
  padding: 14px 16px; text-align: center;
  font-size: 12px; color: var(--muted);
}
.oneline {
  display: inline-flex; flex-wrap: wrap; align-items: center;
  justify-content: center; gap: 8px; line-height: 1.8;
}
.oneline .dot { color: var(--line); }
.oneline a { color: var(--muted); text-decoration: none; white-space: nowrap; }
.oneline a:hover { color: var(--brand); text-decoration: underline; }

/* ── 移动端 ── */
@media (max-width: 480px) {
  .topbar { padding: 20px 22px; }
  .brand-badge { width: 30px; height: 30px; }
  .brand-badge img { width: 18px; }
  .brand-name { font-size: 17px; line-height: 30px; }
  .hero-line { font-size: 19px; }
  .stage-inner { padding-bottom: 70px; }
  .ridges svg { height: 190px; }
  .sep { margin: 0 8px; }
}

/* ── 404 页沿用旧结构时的兜底 ── */
.eyebrow {
  display: inline-block; font-size: 12px; letter-spacing: .2em;
  color: var(--celadon); border: 1px solid var(--line);
  padding: 3px 12px; border-radius: 999px; margin-bottom: 22px;
}
.lead { font-size: 17px; color: var(--muted); margin-top: 18px; }