/* ============================================================
   关于我们 about.css —— 壹捌玖网络科技
   布局：引言式 Hero / 图左文右简介+浮动印章 / 使命愿景三卡 /
   横向滚动历程时间线 / 暗场数据带 / 团队荣誉双联卡 / CTA
   ============================================================ */

/* ---------- 1. Hero ---------- */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  overflow:hidden;background:var(--ink);
}
.hero-bg{background-position:center 35%}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(105deg,rgba(20,20,20,.92) 0%,rgba(20,20,20,.6) 55%,rgba(20,20,20,.2) 100%),
    linear-gradient(0deg,rgba(20,20,20,.5),transparent 50%);
}
.hero-inner{position:relative;z-index:3;padding-top:130px;padding-bottom:90px;max-width:760px}
.crumb{display:flex;align-items:center;gap:10px;color:#C9C0AF;font-size:13px;margin-bottom:26px;opacity:0;animation:fadeUp .6s .1s ease forwards}
.crumb a{color:#EDE6DA}
.crumb a:hover{color:var(--coffee-bright)}
.crumb em{color:var(--coffee-bright);font-style:normal;font-weight:700}
.hero-title{color:#fff;font-size:clamp(38px,5.6vw,64px);font-weight:900;line-height:1.12;letter-spacing:-.02em;margin-bottom:22px}
.ht-line{display:block;overflow:hidden;opacity:0}
.ht-line:nth-child(1){animation:slideUp .75s .22s cubic-bezier(.22,.68,.4,1) forwards}
.ht-line:nth-child(2){animation:slideUp .75s .4s cubic-bezier(.22,.68,.4,1) forwards}
.ht-gold{color:var(--coffee)}
.hero-sub{color:#D8CFBF;font-size:clamp(15px,1.7vw,18px);line-height:1.9;margin-bottom:34px;opacity:0;animation:fadeUp .7s .55s ease forwards}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;opacity:0;animation:fadeUp .7s .7s ease forwards}
@keyframes slideUp{from{opacity:0;transform:translateY(44px)}to{opacity:1;transform:none}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.scroll-hint{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);width:26px;height:44px;border:2px solid rgba(255,255,255,.4);border-radius:14px;z-index:4;display:flex;justify-content:center;padding-top:8px}
.scroll-hint span{width:3px;height:9px;border-radius:3px;background:#fff;animation:hintDrop 1.8s ease infinite}
@keyframes hintDrop{0%{opacity:0;transform:translateY(0)}35%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
@media (max-width:640px){
  .hero{min-height:auto;padding-bottom:40px}
  .hero-cta .btn{width:100%}
  .scroll-hint{display:none}
}

/* ---------- 2. 公司简介 ---------- */
.intro{background:#fff}
.intro-inner{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}
.intro-media{position:relative}
.intro-media img{border-radius:24px;box-shadow:var(--shadow-lg)}
.intro-seal{
  position:absolute;right:-24px;bottom:-24px;width:140px;height:140px;border-radius:50%;
  background:var(--grad-ink);color:var(--coffee-bright);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:15px;font-weight:800;line-height:1.5;
  box-shadow:0 18px 44px rgba(20,20,20,.3);
}
.intro-text p{font-size:15px;color:var(--text-2);line-height:2;margin-bottom:16px}
.intro-points{display:flex;gap:34px;margin-top:26px;flex-wrap:wrap}
.intro-points li{display:flex;flex-direction:column}
.intro-points b{font-size:32px;font-weight:900;color:var(--coffee-deep);line-height:1;font-variant-numeric:tabular-nums}
.intro-points span{font-size:13px;color:var(--text-2);margin-top:6px}
@media (max-width:960px){
  .intro-inner{grid-template-columns:1fr;gap:44px}
  .intro-seal{right:8px;bottom:-24px}
}

/* ---------- 3. 使命愿景价值观 ---------- */
.mvv{background:var(--coffee-bg)}
.mvv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:20px}
.mvv-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:38px 32px;
  transition:all .4s;position:relative;overflow:hidden;
}
.mvv-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;
  background:var(--coffee-bg);transition:transform .5s;
}
.mvv-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.mvv-card:hover::after{transform:scale(1.5)}
.mvv-tag{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.2em;color:var(--coffee-deep);
  background:var(--coffee-bg);padding:6px 14px;border-radius:100px;margin-bottom:18px;
}
.mvv-hot{background:var(--ink);border-color:transparent}
.mvv-hot .mvv-tag{background:rgba(201,168,124,.22);color:var(--coffee-bright)}
.mvv-hot h3{color:#fff}
.mvv-hot p{color:#B7AE9E}
.mvv-card h3{font-size:20px;line-height:1.4;margin-bottom:12px}
.mvv-card p{font-size:14px;color:var(--text-2);line-height:1.9;position:relative;z-index:1}
@media (max-width:900px){.mvv-grid{grid-template-columns:1fr}}

/* ---------- 4. 发展历程（横向时间线） ---------- */
.history{background:#fff;overflow:hidden}
.hl-scroll{overflow-x:auto;padding:10px 0 26px}
.hl-track{display:flex;gap:0;list-style:none;min-width:980px;position:relative}
.hl-track::before{
  content:"";position:absolute;left:0;right:0;top:26px;height:3px;
  background:linear-gradient(90deg,var(--coffee),var(--coffee-bright));border-radius:2px;
}
.hl-track li{flex:1;padding:0 18px;position:relative}
.hl-track li::before{
  content:"";position:absolute;top:20px;left:18px;width:15px;height:15px;border-radius:50%;
  background:#fff;border:4px solid var(--coffee-deep);box-shadow:0 0 0 5px rgba(201,168,124,.2);
}
.hl-track b{display:block;font-size:26px;font-weight:900;color:var(--ink);margin:44px 0 8px;font-variant-numeric:tabular-nums}
.hl-track h3{font-size:16px;margin-bottom:6px}
.hl-track p{font-size:13px;color:var(--text-2);line-height:1.75}

/* ---------- 5. 暗场数据带 ---------- */
.stats{position:relative;overflow:hidden;background:var(--ink);padding:110px 0}
.stats-bg{background-position:center}
.stats-veil{position:absolute;inset:0;background:rgba(20,20,20,.82);z-index:1}
.stats .container{position:relative;z-index:2}
.st-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:20px}
.st-item{text-align:center;padding:20px 10px}
.st-item b{display:block;font-size:clamp(42px,5vw,60px);font-weight:900;color:var(--coffee);line-height:1;font-variant-numeric:tabular-nums}
.st-item span{display:block;margin-top:12px;font-size:14px;color:#C9C0AF}
@media (max-width:900px){.st-inner{grid-template-columns:1fr 1fr;gap:30px}}

/* ---------- 6. 团队 / 荣誉双联卡 ---------- */
.more{background:var(--coffee-bg)}
.more-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.more-card{
  position:relative;display:block;border-radius:22px;overflow:hidden;
  background:var(--ink);box-shadow:var(--shadow-md);transition:all .45s;
}
.more-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.more-card i{display:block;height:280px;background-size:cover;background-position:center;opacity:.55;transition:all .6s}
.more-card:hover i{opacity:.8;transform:scale(1.06)}
.more-body{position:absolute;left:0;right:0;bottom:0;padding:26px 28px 24px;background:linear-gradient(0deg,rgba(20,20,20,.95) 30%,transparent)}
.more-body h3{color:#fff;font-size:22px;margin-bottom:6px}
.more-body p{font-size:13.5px;color:#C9C0AF;margin-bottom:10px}
.more-body span{font-size:13px;font-weight:800;color:var(--coffee-bright)}
@media (max-width:860px){.more-grid{grid-template-columns:1fr}}

/* ---------- 7. CTA ---------- */
.cta{position:relative;overflow:hidden;background:var(--ink);padding:120px 0}
.cta-bg{background-position:center 40%}
.cta-veil{position:absolute;inset:0;background:rgba(20,20,20,.8);z-index:1}
.cta-inner{position:relative;z-index:2;text-align:center}
.cta-title{color:#fff;font-size:clamp(26px,4vw,40px);font-weight:900;margin-bottom:18px}
.cta-sub{color:#D8CFBF;font-size:16px;margin-bottom:38px}
.cta-row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
@media (max-width:640px){.cta-row .btn{width:100%}}