/* ============================================================
   AICOR 官网 · 页面：关于我们 About
   ------------------------------------------------------------
   about.html 关于我们页特有样式
   依赖：tokens.css、base.css、utilities.css、components/*
   ============================================================ */

.about-intro .ai-chain { display: flex; align-items: center; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.about-intro .ai-chain .chain-arrow { color: var(--accent); font-size: 14px; }
.about-intro .ai-chain .chain-node { font-size: 13.5px; font-weight: 600; color: var(--text-1); border: 1px solid rgba(79,140,255,0.4); background: rgba(79,140,255,0.07); border-radius: 10px; padding: 10px 18px; letter-spacing: 1px; }
.about-intro .ai-domain { margin-top: 30px; padding: 18px 24px; border: 1px dashed var(--line); border-radius: 12px; font-size: 13px; color: var(--text-3); background: rgba(255,255,255,0.015); }
.about-intro .ai-domain b { color: var(--accent-2); font-weight: 600; }
.about-intro .ai-text p { font-size: 15px; color: var(--text-2); margin-bottom: 18px; }
.about-intro .ai-text p strong { color: var(--text-1); font-weight: 600; }
.alt { background: var(--bg-1); }
.contact-row { display: flex; align-items: center; gap: 18px; border: 1px solid var(--line); border-radius: 16px; padding: 22px 26px; background: var(--panel); transition: all 0.3s; }
.contact-row .cr-ico { width: 44px; height: 44px; flex: none; border-radius: 12px; border: 1px solid rgba(79,140,255,0.35); background: rgba(79,140,255,0.08); display: flex; align-items: center; justify-content: center; color: var(--accent); }
.contact-row .cr-ico svg { width: 20px; height: 20px; }
.contact-row .cr-label { font-size: 12px; color: var(--text-3); letter-spacing: 2px; }
.contact-row .cr-value { font-size: 16.5px; font-weight: 600; letter-spacing: 1px; }
.contact-row .cr-value a:hover { color: var(--accent-2); }
.contact-row:hover { border-color: rgba(79,140,255,0.4); }
.contact-rows { display: flex; flex-direction: column; gap: 18px; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.crumb { font-size: 13px; color: var(--text-3); letter-spacing: 2px; margin-bottom: 28px; display: flex; align-items: center; gap: 10px; }
.crumb .sep { color: var(--line); }
.crumb a:hover { color: var(--text-1); }
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--line), transparent); }
.join-band .jb-btn { padding: 14px 34px; border-radius: 100px; background: var(--grad); font-size: 14.5px; font-weight: 600; letter-spacing: 2px; color: #fff; box-shadow: 0 8px 32px rgba(79,140,255,0.35); transition: all 0.25s; display: inline-block; position: relative; z-index: 2; }
.join-band .jb-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 44px rgba(79,140,255,0.5); }
.join-band .jb-text h3 { font-family: var(--serif); font-size: 26px; font-weight: 700; margin-bottom: 8px; }
.join-band .jb-text h3 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.join-band .jb-text p { font-size: 14px; color: var(--text-2); }
.join-band::before { content: ""; position: absolute; width: 520px; height: 260px; background: radial-gradient(ellipse, rgba(79,140,255,0.12), transparent 65%); top: -100px; right: -80px; pointer-events: none; }
.nav-cta { padding: 9px 22px; border: 1px solid rgba(255,255,255,0.22); border-radius: 100px; font-size: 13px; letter-spacing: 2px; color: var(--text-1) !important; transition: all 0.25s; }
.nav-qr { position: relative; display: inline-flex; align-items: center; gap: 8px; }
.qr-card { border: 1px solid var(--line); border-radius: 18px; padding: 26px 20px; background: var(--panel); display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; transition: all 0.3s; }
.qr-card .qr-name { font-size: 14px; font-weight: 600; }
.qr-card .qr-sub { font-size: 11.5px; color: var(--text-3); letter-spacing: 1px; margin-top: -8px; }
.qr-card img { width: 148px; height: 148px; border-radius: 12px; background: #fff; padding: 8px; }
.qr-card:hover { border-color: rgba(45,212,191,0.45); transform: translateY(-4px); box-shadow: 0 18px 44px rgba(0,0,0,0.4); }
.qr-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.sec-label { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; letter-spacing: 4px; text-transform: uppercase; color: var(--accent-2); font-weight: 600; margin-bottom: 20px; }
.self-card { border: 1px solid var(--line); border-radius: 20px; padding: 36px 32px; background: var(--panel); position: relative; overflow: hidden; }
.self-card .sc-link { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--accent-2); letter-spacing: 1px; margin-top: 6px; transition: all 0.25s; }
.self-card .sc-link:hover { color: var(--text-1); gap: 12px; }
.self-card .sc-tag { display: inline-block; font-size: 11px; letter-spacing: 3px; color: var(--accent-2); border: 1px solid rgba(45,212,191,0.4); border-radius: 100px; padding: 3px 12px; margin-bottom: 18px; }
.self-card h3 { font-family: var(--serif); font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.self-card p { font-size: 14px; color: var(--text-2); margin-bottom: 14px; }
.self-card::before { content: ""; position: absolute; top: 0; left: 14%; right: 14%; height: 1px; background: linear-gradient(90deg, transparent, rgba(79,140,255,0.55), transparent); }
.stat-card { border: 1px solid var(--line); border-radius: 18px; padding: 34px 30px; background: var(--panel); position: relative; overflow: hidden; transition: all 0.3s; }
.stat-card .st-desc { font-size: 12.5px; color: var(--text-3); margin-top: 4px; }
.stat-card .st-name { font-size: 15px; font-weight: 600; margin-top: 14px; }
.stat-card .st-num { font-family: var(--serif); font-size: 52px; font-weight: 900; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-card .st-unit { font-size: 16px; letter-spacing: 2px; }
.stat-card::before { content: ""; position: absolute; top: 0; left: 14%; right: 14%; height: 1px; background: linear-gradient(90deg, transparent, rgba(79,140,255,0.55), transparent); }
.stat-card:hover { transform: translateY(-5px); border-color: rgba(79,140,255,0.4); box-shadow: 0 18px 44px rgba(0,0,0,0.4); }
.subhero { padding: 190px 0 90px; position: relative; overflow: hidden; }
.subhero h1 { font-family: var(--serif); font-size: clamp(38px, 6vw, 68px); font-weight: 900; line-height: 1.2; letter-spacing: 2px; margin-bottom: 26px; }
.subhero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.subhero p { font-size: clamp(15px, 1.5vw, 18px); color: var(--text-2); max-width: 700px; }
.subhero p strong { color: var(--text-1); font-weight: 600; }
.subhero-glow { position: absolute; width: 800px; height: 800px; border-radius: 50%; background: radial-gradient(circle, rgba(79,140,255,0.12) 0%, transparent 65%); top: -350px; right: -200px; pointer-events: none; animation: breathe 9s ease-in-out infinite; }
.subhero-glow.g2 { background: radial-gradient(circle, rgba(45,212,191,0.08) 0%, transparent 65%); top: auto; bottom: -450px; left: -300px; right: auto; animation-delay: -4s; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(180deg, var(--accent), rgba(45,212,191,0.6), transparent); }
.tl-item { position: relative; padding: 0 0 44px 26px; }
.tl-item .tl-desc { font-size: 14px; color: var(--text-2); max-width: 720px; }
.tl-item .tl-desc strong { color: var(--text-1); font-weight: 600; }
.tl-item .tl-phase { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.tl-item .tl-phase .tl-name { font-family: var(--serif); font-size: 22px; font-weight: 700; }
.tl-item .tl-phase .tl-now { font-size: 11px; letter-spacing: 2px; color: #8fb8ff; border: 1px solid rgba(79,140,255,0.4); background: rgba(79,140,255,0.08); border-radius: 100px; padding: 2px 10px; }
.tl-item .tl-phase .tl-time { font-size: 12px; letter-spacing: 2px; color: var(--accent-2); border: 1px solid rgba(45,212,191,0.35); border-radius: 100px; padding: 2px 12px; }
.tl-item.now::before { background: var(--accent); }
.tl-item::before { content: ""; position: absolute; left: -40px; top: 8px; width: 19px; height: 19px; border-radius: 50%; background: var(--bg-0); border: 1px solid rgba(79,140,255,0.6); box-shadow: 0 0 0 5px rgba(79,140,255,0.12), 0 0 18px rgba(79,140,255,0.45); }
.tl-item:last-child { padding-bottom: 0; }
/* ===== 公司简介 ===== */
  .about-intro { display: grid; grid-template-columns: 1.25fr 1fr; gap: 56px; margin-top: 50px; align-items: start; }
/* ===== 加入我们 ===== */
  .join-band { border: 1px solid var(--line); border-radius: 22px; padding: 46px 50px; background: linear-gradient(120deg, rgba(79,140,255,0.07), rgba(45,212,191,0.05)); position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
/* ===== 发展路线时间线 ===== */
  .timeline { margin-top: 54px; position: relative; padding-left: 40px; }
/* ===== 导航下拉与二维码 ===== */
  .nav-drop { position: relative; }
/* ===== 数字卡片 ===== */
  .stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 54px; }
/* ===== 联系我们 ===== */
  .contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; margin-top: 54px; align-items: start; }
/* 导航联系方式 */
  .nav-right { display: flex; align-items: center; gap: 26px; }
footer { border-top: 1px solid var(--line-soft); padding: 44px 0; }
header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 22px 0; transition: all 0.35s ease; border-bottom: 1px solid transparent; }
nav { display: flex; gap: 34px; align-items: center; }
section { padding: 90px 0; position: relative; }
@media (max-width: 700px) {
  .join-band { padding: 34px 26px; }
  .qr-row { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  nav { display: none; }
  section { padding: 64px 0; }
}
@media (max-width: 980px) {
  .about-intro { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}