/* ============================================================
   service.css — 建站服务总览页
   模块：图文引入 / 服务矩阵分组卡片 / 行业方案横幅 / 案例三联卡 / 五步落地 / CTA
   ============================================================ */

/* ---------- 页头 Hero 微调 ---------- */
.sv-hero{background:
  linear-gradient(160deg,rgba(42,46,53,.93),rgba(28,31,37,.96)),
  url("../images/banner-service.jpg") center/cover no-repeat;
}

/* ---------- 服务说明：左右图文 ---------- */
.sv-intro{background:var(--white)}
.sv-intro-inner{
  display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center;
}
.sv-intro-copy h2{margin:12px 0 22px}
.sv-intro-lead{
  font-family:var(--font-serif);font-size:19px;color:var(--ink);
  margin-bottom:18px;letter-spacing:1px;
}
.sv-intro-copy p{margin-bottom:16px;font-size:15.5px}
.sv-intro-copy strong{color:var(--gold-3)}
.sv-intro-copy .btn{margin-top:14px}
.sv-inline-link{color:var(--gold-3);border-bottom:1px solid var(--gold);padding-bottom:1px}
.sv-inline-link:hover{color:var(--gold-3);opacity:.8}
.sv-intro-media{position:relative}
.sv-intro-media img{
  width:100%;border-radius:var(--radius);box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.sv-intro-media::before{
  content:"";position:absolute;top:-16px;left:-16px;width:88px;height:88px;
  border-top:2px solid var(--gold);border-left:2px solid var(--gold);
}
.sv-intro-media figcaption{
  margin-top:14px;font-size:13px;color:var(--gray);letter-spacing:1px;
  text-align:center;
}

/* ---------- 服务矩阵（深色分组） ---------- */
.sv-matrix{position:relative}
.sv-matrix .container{position:relative;z-index:2}
.sv-group{margin-bottom:46px}
.sv-group:last-child{margin-bottom:0}
.sv-group-head{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.sv-group-tag{
  flex:none;font-family:var(--font-serif);font-size:13px;letter-spacing:3px;
  color:var(--gold-2);border:1px solid rgba(217,190,133,.45);
  padding:5px 12px;border-radius:30px;
}
.sv-group-head h3{color:#fff;font-size:21px;letter-spacing:2px}
.sv-group-head::after{
  content:"";flex:1;height:1px;
  background:linear-gradient(90deg,rgba(217,190,133,.35),transparent);
}
.sv-cardgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.sv-cardgrid-3{grid-template-columns:repeat(4,1fr)}
.sv-card{
  display:flex;flex-direction:column;gap:10px;
  background:rgba(255,255,255,.04);border:1px solid rgba(217,190,133,.22);
  border-radius:12px;padding:22px 18px;
  transition:all .35s ease;
}
.sv-card:hover{
  background:rgba(217,190,133,.1);border-color:var(--gold-2);
  transform:translateY(-5px);
}
.sv-card-no{
  font-family:var(--font-serif);font-size:26px;color:transparent;
  -webkit-text-stroke:1px var(--gold-2);line-height:1;
}
.sv-card h4{color:#fff;font-size:16.5px;font-family:var(--font-sans);font-weight:600;letter-spacing:1px}
.sv-card p{font-size:13px;color:#B9B5A9;line-height:1.8}

/* ---------- 行业方案横幅 ---------- */
.sv-solution{background:var(--white)}
.sv-solution-band{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.sv-solution-band>img{width:100%;height:440px;object-fit:cover}
.sv-solution-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;
  justify-content:center;padding:0 8%;
  background:linear-gradient(90deg,rgba(20,22,26,.92) 30%,rgba(20,22,26,.55) 70%,rgba(20,22,26,.25));
}
.sv-solution-kicker{
  font-size:12px;letter-spacing:5px;color:var(--gold-2);margin-bottom:12px;
}
.sv-solution-mask h2{color:#fff;font-size:30px;letter-spacing:2px;margin-bottom:16px;max-width:560px}
.sv-solution-mask p{color:#D6D2C6;max-width:600px;font-size:15px;margin-bottom:26px}
.sv-solution-mask .btn{align-self:flex-start}

/* ---------- 案例三联卡 ---------- */
.sv-casegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sv-casecard{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-soft);transition:all .35s ease;
}
.sv-casecard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold-2)}
.sv-casecard img{width:100%;height:210px;object-fit:cover}
.sv-casecard-body{padding:20px 22px 24px}
.sv-casecard-body span{
  font-size:12px;letter-spacing:2px;color:var(--gold-3);
  text-transform:uppercase;
}
.sv-casecard-body h3{font-size:18px;margin:8px 0 10px}
.sv-casecard-body p{font-size:14px;color:var(--gray)}
.sv-cases-more{text-align:center;margin-top:40px}

/* ---------- 五步落地 ---------- */
.sv-process{background:var(--white)}
.sv-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.sv-steps::before{
  content:"";position:absolute;top:26px;left:10%;right:10%;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-2) 15%,var(--line-2) 85%,transparent);
}
.sv-step{position:relative;text-align:center;padding:0 14px}
.sv-step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:50%;
  background:var(--white);border:1px solid var(--gold);
  font-family:var(--font-serif);font-size:18px;color:var(--gold-3);
  margin-bottom:16px;position:relative;z-index:1;
  box-shadow:0 0 0 6px var(--mist);
}
.sv-step h3{font-size:16.5px;margin-bottom:8px}
.sv-step p{font-size:13.5px;color:var(--gray);line-height:1.8}
.sv-step a{color:var(--gold-3);border-bottom:1px solid var(--gold)}

/* ---------- CTA ---------- */
.sv-cta{
  background:linear-gradient(160deg,#26292F,#1B1E23);
  padding:90px 0;position:relative;overflow:hidden;
}
.sv-cta-inner{text-align:center;position:relative;z-index:2}
.sv-cta-inner h2{color:#fff;font-size:32px;letter-spacing:2px;margin-bottom:18px}
.sv-cta-inner p{color:#C6C2B4;max-width:680px;margin:0 auto 30px}
.sv-cta-actions{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.sv-cta-line{border-color:rgba(217,190,133,.5);color:#E9DDBE}
.sv-cta-line:hover{background:var(--gold-soft);color:#fff;border-color:var(--gold-2)}
.sv-cta-note{margin-top:22px;font-size:13px;color:#9A968C}

/* ---------- 响应式 ---------- */
@media (max-width:992px){
  .sv-intro-inner{grid-template-columns:1fr;gap:40px}
  .sv-cardgrid{grid-template-columns:repeat(3,1fr)}
  .sv-cardgrid-3{grid-template-columns:repeat(2,1fr)}
  .sv-casegrid{grid-template-columns:1fr;gap:20px}
  .sv-steps{grid-template-columns:repeat(2,1fr);gap:30px 0}
  .sv-steps::before{display:none}
  .sv-solution-band>img{height:300px}
  .sv-solution-mask{padding:0 8%}
}
@media (max-width:640px){
  .sv-cardgrid,.sv-cardgrid-3{grid-template-columns:1fr}
  .sv-steps{grid-template-columns:1fr}
  .sv-solution-mask h2{font-size:22px}
  .sv-solution-band>img{height:380px}
  .sv-solution-mask{background:rgba(20,22,26,.82)}
}