/* ============================================================
   SEO学院 · anli-ruanjian.css（软件科技案例）
   Hero 变体：H14 代码/屏幕主题 —— 浏览器框装官网截图
   模块顺序：背景 → 亮点 → 数据 → 评价 → 服务清单 → 相关 → CTA
   ============================================================ */

/* ---------- 1. Hero：浏览器屏幕框 ---------- */
.rj-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#E8F0FA 0%,#F3FAFD 100%);padding:48px 0 74px}
.rj-x{top:50%}
.rj-v{left:44%}
.rj-hero-in{display:grid;grid-template-columns:1fr 1.05fr;gap:54px;align-items:center;position:relative;z-index:2}
.rj-hero-text h1{font-size:clamp(29px,3.7vw,44px);line-height:1.26;margin:16px 0 18px}
.rj-hero-text h1 em{font-style:normal;color:var(--blue-ink)}
.rj-hero-text>p{color:var(--muted);max-width:530px;margin-bottom:24px}
.rj-hero-stack{display:flex;flex-wrap:wrap;gap:10px}
.rj-hero-stack span{
  font-family:ui-monospace,Menlo,Consolas,monospace;
  background:var(--ink);color:var(--green);
  border-radius:8px;padding:7px 14px;font-size:13.5px;font-weight:700;
}
.rj-screen{
  background:#fff;border:2px solid var(--blue-ink);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
}
.rj-screen-bar{display:flex;gap:7px;padding:12px 16px;background:var(--bg);border-bottom:2px solid var(--line)}
.rj-screen-bar i{width:12px;height:12px;border-radius:50%;background:var(--blue)}
.rj-screen-bar i:nth-child(2){background:var(--yellow)}
.rj-screen-bar i:nth-child(3){background:var(--green)}
.rj-screen .photo{border-radius:0;aspect-ratio:16/9;box-shadow:none;background:transparent}
.rj-screen-cap{
  background:var(--ink);color:var(--green);text-align:center;
  font-size:13.5px;font-weight:700;padding:10px;
  font-family:ui-monospace,Menlo,Consolas,monospace;
}

/* ---------- 2. 项目背景 ---------- */
.rj-brief{background:var(--white)}
.rj-brief-in{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.rj-brief-text h2{margin-bottom:16px}
.rj-brief-text p{color:var(--muted);margin-bottom:14px}
.rj-brief-cards{display:flex;flex-direction:column;gap:18px}
.rj-need{background:var(--bg);border:2px solid var(--line);border-radius:var(--r-lg);padding:24px 26px;position:relative}
.rj-need-y{background:var(--cream);border-color:var(--yellow-deep)}
.rj-need-no{position:absolute;top:6px;right:16px;font-size:48px;font-weight:900;color:rgba(86,179,220,.15)}
.rj-need-y .rj-need-no{color:rgba(245,200,75,.32)}
.rj-need h3{font-size:18px;margin-bottom:10px}
.rj-need li{position:relative;padding:6px 0 6px 24px;font-size:14.5px}
.rj-need li::before{content:"";position:absolute;left:2px;top:14px;width:11px;height:11px;border-radius:50%;background:var(--blue-deep)}
.rj-need-y li::before{background:var(--yellow-deep)}

/* ---------- 3. 设计亮点 ---------- */
.rj-points{background:var(--cream);position:relative;overflow:hidden}
.rj-points-x{top:30%}
.rj-point{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.rj-point + .rj-point{margin-top:60px}
.rj-point-media img{width:100%;aspect-ratio:16/10}
.rj-point-no{
  display:inline-block;background:var(--blue-ink);color:#fff;
  font-size:13px;font-weight:800;padding:6px 15px;border-radius:999px;margin-bottom:14px;
}
.rj-point-rev .rj-point-no{background:var(--green-deep)}
.rj-point-text h3{font-size:22px;margin-bottom:12px}
.rj-point-text p{color:var(--muted)}

/* ---------- 4. 数据指标 ---------- */
.rj-data{background:var(--bg);position:relative}
.rj-data-v{right:14%;left:auto}
.rj-data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.rj-data-card{
  background:#fff;border:2px solid var(--line);border-radius:var(--r-md);
  text-align:center;padding:30px 14px;
  box-shadow:inset 0 -6px 0 var(--blue);
}
.rj-data-card:nth-child(2){box-shadow:inset 0 -6px 0 var(--green)}
.rj-data-card:nth-child(3){box-shadow:inset 0 -6px 0 var(--yellow)}
.rj-data-card:nth-child(4){box-shadow:inset 0 -6px 0 var(--blue-ink)}
.rj-data-card b{display:block;font-size:34px;font-weight:900;color:var(--blue-ink);margin-bottom:6px}
.rj-data-card span{font-size:13.5px;color:var(--muted);font-weight:600}
.rj-data-note{text-align:center;margin-top:22px;font-size:13.5px;color:var(--muted)}

/* ---------- 5. 客户评价 ---------- */
.rj-quote{background:var(--white)}
.rj-quote-card{
  max-width:820px;margin:0 auto;
  background:var(--bg);border:2px solid var(--line);border-radius:var(--r-lg);
  padding:38px 36px;position:relative;
}
.rj-quote-card::before{
  content:"</>";position:absolute;top:14px;right:24px;
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:22px;font-weight:900;color:var(--blue);
}
.rj-quote-card p{font-size:17px;line-height:1.95;margin-bottom:16px}
.rj-quote-card footer{font-size:14px;color:var(--muted);font-weight:700}

/* ---------- 6. 服务清单 ---------- */
.rj-svc{background:var(--bg)}
.rj-svc-in{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.rj-svc-text h2{margin-bottom:14px}
.rj-svc-text p{color:var(--muted);margin-bottom:24px}
.rj-svc-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.rj-svc-list a{
  background:#fff;border:2px solid var(--line);border-radius:var(--r-md);
  padding:14px 16px;font-weight:800;font-size:14px;display:flex;align-items:center;gap:9px;
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.rj-svc-list a::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--blue-ink);flex:none}
.rj-svc-list a:hover{transform:translateY(-3px);border-color:var(--blue-ink);background:var(--blue)}

/* ---------- 7. 相关案例 ---------- */
.rj-more{background:var(--white)}
.rj-more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rj-more-card{display:block;background:var(--bg);border:2px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}
.rj-more-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.rj-more-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rj-more-card b{display:block;padding:15px 16px 2px;font-size:16.5px}
.rj-more-card i{font-style:normal;display:block;padding:0 16px 16px;font-size:13px;color:var(--muted)}
.rj-more-link{text-align:center;margin-top:30px}
.rj-more-link a{font-weight:800;color:var(--blue-deep);border-bottom:2px dashed var(--blue-deep)}

/* ---------- 8. CTA ---------- */
.rj-cta{background:var(--bg)}
.rj-cta-band{
  position:relative;overflow:hidden;text-align:center;color:#fff;
  background:linear-gradient(120deg,#27424F,#2E6E96);
  border-radius:var(--r-lg);padding:54px 38px;
}
.rj-cta-blob{width:150px;height:150px;background:var(--blue);right:-40px;bottom:-46px;opacity:.25;border-radius:40px}
.rj-cta-band h2{color:#fff;font-size:clamp(23px,3vw,32px);margin-bottom:12px;position:relative;z-index:2}
.rj-cta-band>p{color:#C9E4F2;margin-bottom:26px;position:relative;z-index:2}
.rj-cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:2}
.rj-cta-wechat{margin-top:20px;font-size:14.5px;color:#A9CFE2;position:relative;z-index:2}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .rj-hero-in{grid-template-columns:1fr;gap:44px}
  .rj-brief-in{grid-template-columns:1fr;gap:40px}
  .rj-data-grid{grid-template-columns:1fr 1fr}
  .rj-point{grid-template-columns:1fr;gap:32px}
  .rj-svc-in{grid-template-columns:1fr;gap:36px}
  .rj-more-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .rj-data-grid{grid-template-columns:1fr}
  .rj-svc-list{grid-template-columns:1fr}
  .rj-more-grid{grid-template-columns:1fr}
}

/* ---------- 行业关键词与专属功能模块 ---------- */
.kw-sec{background:var(--cream);position:relative}
.kw-in{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.kw-col{background:#fff;border:2px solid var(--line);border-radius:var(--r-lg);padding:28px 28px}
.kw-col h3{font-size:19px;margin-bottom:14px}
.kw-list li{display:flex;gap:10px;align-items:baseline;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px;line-height:1.6}
.kw-list li:last-child{border-bottom:0}
.kw-list li::before{content:"#";color:var(--blue-deep);font-weight:900;flex:none}
.kw-sec .sec-sub{color:var(--muted);margin-top:10px;max-width:640px}
@media (max-width:760px){.kw-in{grid-template-columns:1fr}}
.kw-note{margin-top:26px;background:#fff;border:2px solid var(--line);border-left:6px solid var(--blue-deep);border-radius:var(--r-md);padding:24px 26px}
.kw-note h3{font-size:18px;margin-bottom:10px}
.kw-note p{color:var(--muted);font-size:14.5px;line-height:1.9;margin-bottom:10px}
.kw-note p:last-child{margin-bottom:0}
.kw-faq{margin-top:22px;background:#fff;border:2px solid var(--line);border-radius:var(--r-lg);padding:26px 28px}
.kw-faq h3{font-size:18px;margin-bottom:12px}
.kw-faq details{border-bottom:1px dashed var(--line);padding:10px 0}
.kw-faq details:last-child{border-bottom:0}
.kw-faq summary{font-weight:800;cursor:pointer;font-size:14.5px}
.kw-faq details p{color:var(--muted);font-size:14px;line-height:1.8;margin-top:8px}