/* 果冻科技 GEO 内容页共享设计系统 —— 深色紫，参照 yanjiai 的结构工艺 */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0c0912;
  --accent:#c685f2;
  --accent-lite:#d8b4f8;
  --accent-deep:#8b5cf6;
  --text:#f3eefb;
  --text-soft:#c9bce0;
  --text-dim:#8f83a6;
  --card:rgba(198,133,242,.06);
  --card-border:rgba(198,133,242,.18);
  --line:rgba(255,255,255,.10);
  --maxw:1080px;
}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color:var(--text);
  line-height:1.75;
  background:var(--bg);
  /* 分层紫色辉光营造深度 */
  background-image:
    radial-gradient(900px 600px at 82% -8%, rgba(139,92,246,.28), transparent 60%),
    radial-gradient(760px 520px at -6% 22%, rgba(198,133,242,.16), transparent 55%),
    radial-gradient(700px 700px at 60% 108%, rgba(139,92,246,.14), transparent 60%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}

/* ===== 顶部导航（sticky + 毛玻璃） ===== */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(12,9,18,.72);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.5px}
.nav .brand img{height:32px}
.nav .links{display:flex;align-items:center;gap:26px}
.nav .links a{color:var(--text-soft);font-size:15px;transition:color .2s;position:relative}
.nav .links a:hover{color:var(--accent)}
.nav .links a.on{color:#fff}
.nav .cta{padding:8px 18px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent-deep));
  color:#fff!important;font-size:14px;font-weight:600;box-shadow:0 6px 20px rgba(139,92,246,.35)}
.nav .cta:hover{filter:brightness(1.08)}
@media(max-width:720px){.nav .links a:not(.cta){display:none}}

/* ===== Hero ===== */
.hero{text-align:center;padding:88px 0 40px;position:relative}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:4px;color:var(--accent-lite);
  padding:6px 16px;border:1px solid var(--card-border);border-radius:999px;margin-bottom:26px;background:var(--card)}
.hero h1{font-size:52px;line-height:1.22;font-weight:800;letter-spacing:1px}
.hero h1 .g{background:linear-gradient(120deg,var(--accent-lite),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .en{margin-top:12px;font-size:15px;letter-spacing:3px;color:var(--text-dim);text-transform:uppercase}
.hero .slogan{margin-top:20px;font-size:20px;font-weight:600;color:var(--accent-lite)}
.hero .lead{max-width:660px;margin:22px auto 0;color:var(--text-soft);font-size:16px}
.btns{display:flex;gap:16px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:16px;font-weight:600;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#fff;box-shadow:0 10px 30px rgba(139,92,246,.4)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-ghost{border:1px solid var(--card-border);color:var(--text);background:var(--card)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ===== 区块 ===== */
.section{position:relative;padding:64px 0}
.section-head{text-align:center;position:relative;margin-bottom:44px}
.watermark{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  font-size:clamp(56px,11vw,132px);font-weight:800;letter-spacing:6px;line-height:1;
  color:rgba(255,255,255,.035);white-space:nowrap;pointer-events:none;user-select:none;z-index:0}
.section-head h2{position:relative;z-index:1;font-size:32px;font-weight:800;letter-spacing:1px}
.section-head p{position:relative;z-index:1;margin-top:12px;color:var(--text-dim);font-size:16px}
.divider{display:flex;align-items:center;justify-content:center;gap:14px;margin:18px auto 0;max-width:340px;position:relative;z-index:1}
.divider::before,.divider::after{content:"";height:1px;flex:1;background:linear-gradient(90deg,transparent,var(--card-border))}
.divider::after{background:linear-gradient(90deg,var(--card-border),transparent)}
.diamond{width:9px;height:9px;border:1px solid var(--accent);transform:rotate(45deg)}

/* ===== 卡片网格 ===== */
.grid{display:grid;gap:18px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--card-border);border-radius:18px;padding:28px;
  transition:transform .25s,border-color .25s,box-shadow .25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-5px);border-color:var(--accent);box-shadow:0 18px 44px rgba(139,92,246,.22)}
.icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(198,133,242,.22),rgba(139,92,246,.14));margin-bottom:16px}
.icon svg{width:24px;height:24px;stroke:var(--accent);fill:none;stroke-width:1.8}
.card .label{font-size:12px;letter-spacing:2px;color:var(--text-dim);text-transform:uppercase;margin-bottom:4px}
.card h3{font-size:19px;font-weight:700;margin-bottom:8px}
.card .desc{color:var(--text-soft);font-size:15px;margin-bottom:14px}
.card .num{font-size:26px;font-weight:800;color:var(--accent);margin-right:8px;font-style:italic}

/* 勾选项胶囊 */
.checks{display:flex;flex-direction:column;gap:8px;margin-top:6px}
.checks.two{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.check{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.04);border-radius:8px;padding:8px 12px;font-size:14px;color:var(--text-soft)}
.check .tick{flex:none;width:18px;height:18px;border-radius:50%;background:rgba(198,133,242,.2);display:flex;align-items:center;justify-content:center}
.check .tick svg{width:11px;height:11px;stroke:var(--accent);fill:none;stroke-width:2.4}

/* 简介长文 */
.prose{max-width:760px;margin:0 auto;color:var(--text-soft);font-size:17px;text-align:center}
.prose strong{color:var(--text)}

/* 值列表（关于页使命愿景） */
.stack{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.row-item{display:flex;gap:18px;align-items:flex-start;background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:22px 24px}
.row-item .icon{margin-bottom:0}
.row-item h3{font-size:18px;margin-bottom:4px}
.row-item p{color:var(--text-soft);font-size:15px}

/* FAQ */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.qa{background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:22px 24px}
.qa h3{font-size:17px;font-weight:700;margin-bottom:8px;display:flex;gap:10px;align-items:flex-start}
.qa h3 .q{color:var(--accent);font-weight:800;flex:none}
.qa p{color:var(--text-soft);font-size:15px}

/* 图文并排 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.reverse .split-text{order:2}
.split-text h3{font-size:24px;font-weight:700;margin-bottom:14px}
.split-text .lead{color:var(--text-soft);font-size:16px;margin-bottom:18px}
.split-text .feat{list-style:none;padding:0}
.split-text .feat li{display:flex;align-items:center;gap:10px;padding:9px 0;color:var(--text-soft);font-size:15px}
.split-text .feat .tick{flex:none}
.split-img{text-align:center}
.split-img img{max-width:100%;max-height:440px;width:auto;display:block;margin:0 auto;border-radius:18px;filter:drop-shadow(0 20px 44px rgba(0,0,0,.45))}
.split-imgs{display:flex;gap:16px;justify-content:center}
.split-imgs .shot{width:210px;text-align:center;background:none;border:none;box-shadow:none}
.split-imgs .shot img{width:100%;filter:drop-shadow(0 18px 38px rgba(0,0,0,.55))}
.split-imgs .shot .cap{display:block;margin-top:10px;color:var(--text-dim);font-size:14px;background:none;padding:0}
.helper .num{font-style:italic;font-weight:800;font-size:26px;color:var(--accent);flex:none}
.helper h3{color:#fff}
.helper .desc{color:var(--text-soft);font-size:15px}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:28px}.split.reverse .split-text{order:0}.split-imgs .shot{width:46%}}

/* 产品展示（深色页里的浅色面板，white-bg 截图放这里显得自然） */
.showcase{background:linear-gradient(160deg,#f4effc,#e6dcf6);border-radius:26px;padding:44px 32px;text-align:center;
  box-shadow:0 24px 70px rgba(0,0,0,.4);position:relative;overflow:hidden}
.showcase .label{color:#8b5cf6}
.showcase h2{color:#2a1f3d;font-size:28px;font-weight:800}
.showcase .sub{color:#6b5b86;margin-top:8px;font-size:15px}
.shots{display:flex;gap:24px;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:30px}
.shots .scene{width:290px;flex:none}
.shots .scene img{display:block;width:100%;filter:drop-shadow(0 18px 34px rgba(70,40,120,.28))}
.shots .screens{display:flex;gap:18px}
.shot{width:186px;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 14px 34px rgba(90,60,140,.22);border:1px solid rgba(139,92,246,.12)}
.shot img{display:block;width:100%}
.shot .cap{font-size:13px;color:#6b5b86;padding:10px 8px;background:#fff}
@media(max-width:820px){.shots .screens{width:100%;justify-content:center}}

/* CTA 收尾 */
.cta-block{text-align:center;max-width:560px;margin:0 auto;background:var(--card);border:1px solid var(--card-border);
  border-radius:24px;padding:44px 32px;position:relative;overflow:hidden}
.cta-block h2{font-size:26px;font-weight:800;margin-bottom:8px}
.cta-block p{color:var(--text-soft);margin-bottom:20px}
.cta-block img{width:168px;border-radius:12px;border:6px solid #fff;background:#fff}

/* 页脚 */
.foot{border-top:1px solid var(--line);margin-top:72px;padding:26px 0;text-align:center;font-size:13px;color:var(--text-dim)}
.foot a{color:var(--text-dim)}
.foot a:hover{color:var(--accent)}

/* 滚动渐显（无 JS 时靠 noscript 兜底为可见） */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media(max-width:820px){
  .hero{padding:60px 0 30px}
  .hero h1{font-size:36px}
  .grid.c2,.grid.c3{grid-template-columns:1fr}
  .checks.two{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head h2{font-size:26px}
}