/* ==========================================================================
   page-gaiban.css — 网站改版升级（指纹 F18 对比式）
   旧站/新站双栏对比 / 渐变箭头流程 / 朱砂 CTA
   ========================================================================== */

/* ===== ① hero ===== */
.gb-hero{padding-block:clamp(56px,8vw,100px);}
.gb-hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,5vw,60px);align-items:center;}
.gb-hero-text h1{font-size:clamp(34px,4.6vw,58px);margin-top:14px;}
.gb-hero-text .lead{margin-top:16px;max-width:480px;}
.gb-hero-cta{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap;}
.gb-hero-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lift);}
.gb-hero-img img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;}

/* ===== ② 定义 ===== */
.gb-define{max-width:780px;}
.gb-define .section-desc{margin-top:14px;}

/* ===== ③ 对比卡 ===== */
.gb-compare{
  margin-top:56px;display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:stretch;
}
.gb-side{
  padding:32px 28px;border-radius:var(--radius);box-shadow:var(--shadow-soft);
}
.gb-old{background:var(--moon-200);}
.gb-old .gb-badge{background:var(--ink-500);}
.gb-new{background:#fff;border-top:4px solid var(--bamboo-500);}
.gb-new .gb-badge{background:var(--bamboo-500);}
.gb-badge{
  display:inline-block;color:#fff;font-size:13px;letter-spacing:.2em;
  padding:4px 14px;border-radius:3px;font-family:var(--serif);
}
.gb-side h3{font-size:20px;margin-top:14px;}
.gb-side ul{margin-top:16px;}
.gb-side li{
  padding:10px 0 10px 22px;position:relative;font-size:14.5px;color:var(--ink-700);line-height:1.8;
  border-bottom:1px dashed var(--line);
}
.gb-old li::before{
  content:"×";position:absolute;left:0;color:var(--cinnabar-600);font-weight:700;
}
.gb-new li::before{
  content:"✓";position:absolute;left:0;color:var(--bamboo-600);font-weight:700;
}
.gb-arrow{
  align-self:center;font-size:36px;color:var(--cinnabar-500);font-weight:700;
}

/* ===== ④ 适合谁 ===== */
.gb-who-bg{background:var(--moon-50);border-block:1px solid var(--line-soft);}
.gb-who{margin-top:16px;max-width:820px;}
.gb-who p{font-size:15.5px;line-height:2;color:var(--ink-700);}

/* ===== ⑤ 渐变箭头流程 ===== */
.gb-flow{
  margin-top:40px;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
}
.gb-flow li{
  position:relative;padding:24px 18px;text-align:center;
  background:linear-gradient(160deg,var(--moon-50),var(--moon-200));
  border-radius:var(--radius);border:1px solid var(--line-soft);
}
.gb-flow li + li{margin-left:22px;}
.gb-flow li + li::before{
  content:"";position:absolute;left:-22px;top:50%;width:22px;height:2px;
  background:linear-gradient(90deg,var(--bamboo-300),var(--bamboo-500));
}
.gb-flow li + li::after{
  content:"";position:absolute;left:-22px;top:50%;transform:translateY(-50%);
  border:6px solid transparent;border-left-color:var(--bamboo-500);
}
.gb-flow li > span{
  width:42px;height:42px;margin:0 auto;border-radius:50%;
  background:var(--cinnabar-500);color:#fff;font-family:var(--serif);font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.gb-flow li h3{font-size:15.5px;margin-top:12px;}
.gb-flow li p{font-size:12.5px;color:var(--ink-500);margin-top:4px;line-height:1.7;}

/* ===== ⑥ 交付 ===== */
.gb-deliver-bg{background:var(--bamboo-900);}
.gb-deliver-bg .kicker{color:var(--cinnabar-400);}
.gb-deliver-bg .kicker::before{background:var(--cinnabar-400);}
.gb-deliver-bg .section-title{color:var(--moon-100);}
.gb-deliver{display:grid;grid-template-columns:1fr 1.4fr;gap:36px;}
.gb-deliver li{
  display:flex;gap:16px;padding:14px 0;border-bottom:1px dashed rgba(247,245,238,.18);
  color:rgba(247,245,238,.85);font-size:15px;align-items:baseline;
}
.gb-deliver strong{color:var(--moon-100);min-width:90px;font-family:var(--serif);flex-shrink:0;}

/* ===== ⑦ 案例 ===== */
.gb-cases{margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.gb-case{display:block;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-soft);}
.gb-case img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.gb-case h3{font-size:16.5px;padding:16px 18px 0;}
.gb-case p{font-size:13.5px;color:var(--ink-500);padding:6px 18px 18px;}

/* ===== ⑧ 相关服务 ===== */
.gb-relate-bg{background:var(--moon-50);border-top:1px solid var(--line-soft);}
.gb-relate{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}
.gb-relate a{
  padding:10px 22px;background:#fff;border:1px solid var(--line-soft);border-radius:999px;
  color:var(--bamboo-700);font-size:14.5px;box-shadow:var(--shadow-soft);
}
.gb-relate a:hover{background:var(--bamboo-500);color:#fff;border-color:var(--bamboo-500);}

/* ===== ⑨ FAQ 双列 ===== */
.gb-faq{margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.gb-faq-item{
  padding:26px 22px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-soft);
  border-left:3px solid var(--cinnabar-500);
}
.gb-faq-item h3{font-size:16.5px;line-height:1.6;}
.gb-faq-item p{font-size:14px;color:var(--ink-500);margin-top:12px;line-height:1.9;}

/* ===== ⑩ CTA 朱砂对比带 ===== */
.gb-cta{
  background:linear-gradient(110deg,var(--cinnabar-600),var(--cinnabar-500));
  color:#FFF3EC;
}
.gb-cta-inner{padding-block:clamp(48px,7vw,84px);text-align:center;}
.gb-cta h2{color:#FFF8F2;font-size:clamp(22px,3vw,34px);}
.gb-cta p{color:rgba(255,243,236,.85);margin-top:10px;}
.gb-cta-btns{margin-top:24px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}
.gb-cta .btn{background:#fff;color:var(--cinnabar-600);font-weight:700;}

/* ===== 响应式 ===== */
@media (max-width:1080px){
  .gb-hero-grid{grid-template-columns:1fr;}
  .gb-compare{grid-template-columns:1fr;}
  .gb-arrow{transform:rotate(90deg);}
  .gb-flow{grid-template-columns:1fr 1fr;}
  .gb-flow li + li{margin-left:0;}
  .gb-flow li + li::before,.gb-flow li + li::after{display:none;}
  .gb-deliver{grid-template-columns:1fr;}
  .gb-cases,.gb-faq{grid-template-columns:1fr;}
}