/* ===== About Page (Glass / iOS-style) ===== */

:root{
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --text-main: #111827;
  --text-sub: #6b7280;
  --border-soft: rgba(229,231,235,0.65);
  --shadow-soft: 0 16px 44px rgba(15,23,42,0.08);
  --max-width: 1120px;
}

*{ box-sizing: border-box; margin: 0; padding: 0; }
html, body{ height: 100%; }
body{
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text-main);
  background: #f9fafb;
  line-height: 1.6;
}

a{ color: inherit; text-decoration: none; }
ul{ list-style: none; }
img{ max-width: 100%; display: block; }

/* container */
.container{
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* ===== 顶部导航（如果你全站已有 nav 样式，这里可以保守一点） ===== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(249,250,251,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229,231,235,0.75);
}

.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}

.nav-left{
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo{
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #bfdbfe 0, #2563eb 45%, #1d4ed8 100%);
}

.nav-title{
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.nav-subtitle{
  font-size: 11px;
  color: var(--text-sub);
}

.nav-menu{
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}

.nav-link a{
  color: #4b5563;
  padding: 6px 10px;
  border-radius: 999px;
  transition: all .18s ease;
}

.nav-link a:hover{
  background: rgba(37,99,235,0.10);
  color: var(--primary-dark);
}

/* button */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 13px;
  padding: 9px 16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}

.btn-primary{
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 12px 30px rgba(37,99,235,0.25);
}
.btn-primary:hover{
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(37,99,235,0.32);
}

.btn-outline{
  background: rgba(255,255,255,0.55);
  border-color: rgba(229,231,235,0.90);
  color: #111827;
}
.btn-outline:hover{
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(15,23,42,0.08);
}

/* ===== Glass helpers ===== */
.glass{
  border-radius: 18px;
  border: 1px solid var(--border-soft);
  background: rgba(255,255,255,0.58);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft);
}

.glass-lite{
  border-radius: 16px;
  border: 1px solid rgba(229,231,235,0.70);
  background: rgba(255,255,255,0.62);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ===== Page ===== */
.about-page{
  min-height: 100vh;
}

/* Hero */
.about-hero{
  padding: 26px 0 10px;
  position: relative;
  overflow: hidden;
}

.about-hero::before{
  content:"";
  position:absolute;
  inset:-140px -140px auto auto;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at 30% 30%, rgba(37,99,235,0.22), rgba(124,58,237,0.10), transparent 60%);
  filter: blur(10px);
  pointer-events:none;
}
.about-hero::after{
  content:"";
  position:absolute;
  inset:auto auto -180px -160px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle at 30% 30%, rgba(34,197,94,0.16), rgba(37,99,235,0.10), transparent 62%);
  filter: blur(12px);
  pointer-events:none;
}

.about-hero-card{
  padding: 18px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.about-title{
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.about-subtitle{
  font-size: 13px;
  color: #4b5563;
  line-height: 1.85;
}

.about-badges{
  margin-top: 12px;
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(229,231,235,0.75);
  background: rgba(255,255,255,0.55);
  color: #374151;
}

.mini-kpis{
  display:grid;
  gap: 10px;
}

.kpi{
  padding: 10px 12px;
}
.kpi-k{
  font-size: 11px;
  color: #6b7280;
  margin-bottom: 3px;
}
.kpi-v{
  font-size: 12px;
  font-weight: 800;
  color: #111827;
}

.hero-actions{
  margin-top: 12px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Body layout */
.about-body{
  padding: 14px 0 44px;
}

.about-layout{
  display:grid;
  grid-template-columns: 260px 1fr;
  gap: 16px;
  align-items: start;
}

.about-sidenav{
  padding: 14px;
  position: sticky;
  top: 88px;
}

.sidenav-title{
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 10px;
}

.sidenav-link{
  display:block;
  padding: 10px 10px;
  border-radius: 14px;
  color: #374151;
  font-size: 13px;
  border: 1px solid transparent;
  transition: all .18s ease;
}

.sidenav-link:hover{
  background: rgba(37,99,235,0.10);
  border-color: rgba(37,99,235,0.18);
  color: #1d4ed8;
}

.about-content{
  display:flex;
  flex-direction: column;
  gap: 16px;
}

.block{
  scroll-margin-top: 96px;
}

.block-head{
  padding: 2px 2px 8px;
}

.block-title{
  font-size: 16px;
  font-weight: 900;
  margin-bottom: 4px;
}

.block-desc{
  font-size: 13px;
  color: #6b7280;
  line-height: 1.7;
}

/* cards */
.card{
  padding: 16px;
}

.card-h{
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 6px;
}

.p{
  font-size: 13px;
  color: #4b5563;
  line-height: 1.8;
}

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.grid-4{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.tag-row{
  margin-top: 10px;
  display:flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag{
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(37,99,235,0.10);
  color: #1d4ed8;
  border: 1px solid rgba(37,99,235,0.12);
}

/* culture */
.culture-list{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.culture-item{
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(229,231,235,0.72);
  background: rgba(255,255,255,0.62);
}

.culture-k{
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 6px;
}
.culture-v{
  font-size: 13px;
  color: #4b5563;
  line-height: 1.7;
}

/* contact */
.contact-card{
  padding: 16px;
}

.contact-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.contact-item{
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(229,231,235,0.72);
  background: rgba(255,255,255,0.62);
}

.ck{
  font-size: 11px;
  color: #6b7280;
  margin-bottom: 3px;
}
.cv{
  font-size: 12px;
  font-weight: 900;
}

.qr-row{
  margin-top: 12px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

.qr{
  flex: 1;
  min-width: 200px;
  padding: 10px;
  display:flex;
  gap: 10px;
  align-items:center;
}

.qr-box{
  width: 56px;
  height: 56px;
  border-radius: 14px;
  border: 1px dashed rgba(148,163,184,0.85);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 12px;
  color: #6b7280;
  background: rgba(255,255,255,0.70);
}
.qr-txt{
  font-size: 12px;
  font-weight: 900;
  color: #374151;
}

/* footer（若全站已有 footer，可酌情删掉这段） */
.site-footer{
  border-top: 1px solid rgba(229,231,235,0.9);
  padding: 16px 0 24px;
  font-size: 12px;
  color: #6b7280;
}

.footer-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-links{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
}
.footer-link:hover{ color: #1d4ed8; cursor: pointer; }

/* responsive */
@media (max-width: 1100px){
  .grid-4{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3{ grid-template-columns: 1fr; }
  .culture-list{ grid-template-columns: 1fr; }
}

@media (max-width: 900px){
  .about-hero-card{ grid-template-columns: 1fr; }
  .about-layout{ grid-template-columns: 1fr; }
  .about-sidenav{ position: relative; top: 0; }
  .contact-grid{ grid-template-columns: 1fr; }
  .nav-menu{ display:none; } /* 你没做移动端菜单的话，先隐藏 */
}
/* =========================
   B版：纯CSS 毛玻璃 + 3D Hover + 扫光
   追加到 about.css 最底部
========================= */

/* 让 3D transform 更像“卡片” */
.about-hero,
.about-body{
  perspective: 1100px;
}

/* 所有玻璃卡片统一升级：更顺滑、更立体 */
.glass,
.glass-lite{
  position: relative;
  transform-style: preserve-3d;
  will-change: transform;
  transition:
    transform 220ms cubic-bezier(.2,.8,.2,1),
    box-shadow 220ms cubic-bezier(.2,.8,.2,1),
    border-color 220ms ease,
    background 220ms ease,
    filter 220ms ease;
  overflow: hidden; /* 让扫光不溢出 */
}

/* 扫光层：hover 时出现（纯 CSS，固定光源角度） */
.glass::before,
.glass-lite::before{
  content:"";
  position:absolute;
  inset:-1px;
  pointer-events:none;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(255,255,255,0.55) 18%,
    rgba(255,255,255,0.15) 35%,
    transparent 55%
  );
  transform: translateX(-120%);
  opacity: 0;
  transition: transform 520ms cubic-bezier(.2,.8,.2,1), opacity 180ms ease;
  mix-blend-mode: overlay;
}

/* 边缘高光：更像 iOS 玻璃 */
.glass::after,
.glass-lite::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.70),
    rgba(255,255,255,0.16) 45%,
    rgba(255,255,255,0.00)
  );
  opacity: 0.55;
}

/* Hover：浮起 + 轻微倾斜 + 阴影增强 */
.glass:hover,
.glass-lite:hover{
  transform: translateY(-6px) rotateX(2.8deg) rotateY(-2.8deg);
  box-shadow: 0 28px 80px rgba(15,23,42,0.18);
  border-color: rgba(37,99,235,0.22);
  filter: saturate(1.05);
}

/* Hover 时扫光推进 */
.glass:hover::before,
.glass-lite:hover::before{
  transform: translateX(120%);
  opacity: 1;
}

/* 点击反馈：压一下 */
.glass:active,
.glass-lite:active{
  transform: translateY(-2px) scale(0.995);
}

/* 让卡片里的标题/标签“略微浮起”更有层次（不依赖JS） */
.about-title,
.block-title,
.card-h,
.badge,
.tag{
  transform: translateZ(1px);
}
/* ========== Hero 右侧：右下角新增 Quick Actions（3D 毛玻璃） ========== */
.hero-right-quick{
  margin-top: 12px;
  border-radius: 18px;
  border: 1px solid rgba(229,231,235,0.70);
  background: rgba(255,255,255,0.58);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 16px 44px rgba(15,23,42,0.10);
  padding: 14px;
  transform-style: preserve-3d;
  transition: transform .18s ease, box-shadow .18s ease;
}

/* 鼠标悬停：轻微“抬起”3D */
.hero-right-quick:hover{
  transform: translateY(-2px);
  box-shadow: 0 22px 60px rgba(15,23,42,0.14);
}

.quick-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.quick-title{
  font-size: 13px;
  font-weight: 800;
  color: #111827;
  letter-spacing: .02em;
}

.quick-badge{
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(37,99,235,0.10);
  border: 1px solid rgba(37,99,235,0.14);
  color: #1d4ed8;
}

.quick-actions{
  display: grid;
  gap: 10px;
}

.quick-btn{
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 16px;
  padding: 12px 12px;
  border: 1px solid rgba(229,231,235,0.80);
  background: rgba(255,255,255,0.62);
  box-shadow: 0 10px 26px rgba(15,23,42,0.06);
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}

.quick-btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(15,23,42,0.12);
  background: rgba(255,255,255,0.78);
}

.quick-ico{
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.14);
  font-size: 16px;
  flex: 0 0 auto;
}

.quick-txt{
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.quick-txt b{
  font-size: 12px;
  font-weight: 800;
  color: #111827;
}

.quick-txt em{
  font-style: normal;
  font-size: 11px;
  color: #6b7280;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 240px;
}

.quick-go{
  margin-left: auto;
  color: #6b7280;
  font-size: 14px;
}

.quick-foot{
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(148,163,184,0.45);
}

.quick-note{
  font-size: 11px;
  color: #6b7280;
}

/* 小屏适配：避免文案溢出 */
@media (max-width: 900px){
  .quick-txt em{ max-width: 100%; }
}
/* hover 放大二维码（桌面端） */
@media (hover:hover) {
  .qr:hover .qr-box img {
    transform: scale(1.15);
  }
}

.qr-box img {
  transition: transform .25s ease;
}