/* =========================================================
   service.html 服务项目页独有样式
   版式：圆形折叠卡片 hero + 全景大图卡 + 拉片对照 + 行业横条 + 流程竖列 + 手风琴 FAQ
   ========================================================= */

/* ---------- 1. Hero：圆形折叠卡片 ---------- */
.svc-hero {
  position: relative;
  padding: calc(var(--header-h) + var(--topbar-h) + 48px) 0 90px;
  background:
    radial-gradient(circle at 82% 18%, rgba(238,209,145,.55) 0 22%, transparent 46%),
    radial-gradient(circle at 12% 88%, rgba(191,216,178,.5) 0 20%, transparent 44%),
    linear-gradient(160deg, var(--cream) 0%, var(--cream-2) 100%);
  overflow: hidden;
}
.svc-hero-ring { position: absolute; border-radius: 50%; pointer-events: none; }
.svc-ring-a {
  width: 520px; height: 520px; right: -140px; top: -120px;
  border: 26px dashed rgba(238,209,145,.5);
}
.svc-ring-b {
  width: 260px; height: 260px; left: -90px; bottom: -70px;
  background: rgba(191,216,178,.35);
}
.svc-bread { margin-bottom: 26px; font-size: .88rem; color: var(--ink-3); position: relative; z-index: 2; }
.svc-bread a { font-weight: 600; color: var(--ink-2); }
.svc-bread span { margin: 0 8px; }
.svc-bread em { font-style: normal; color: var(--green-3); font-weight: 600; }

.svc-fold-wrap {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}
.svc-fold-center {
  position: relative; z-index: 3;
  padding: clamp(34px, 5vw, 60px);
  border-radius: 40% 60% 55% 45% / 48% 42% 58% 52%;
  text-align: center;
}
.svc-fold-kicker {
  display: inline-block; font-size: .8rem; letter-spacing: 3px; font-weight: 700;
  color: var(--green-3); margin-bottom: 14px;
}
.svc-fold-center h1 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); margin-bottom: 16px; }
.svc-fold-sub { max-width: 460px; margin: 0 auto 26px; }
.svc-fold-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* 周围六张圆形小卡：围绕中心圆排布，错落漂浮 */
.svc-fold-orbit {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.svc-orbit-card {
  aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: linear-gradient(165deg, #FFFDF6 0%, var(--yellow) 100%);
  box-shadow: var(--clay-shadow-sm);
  text-align: center;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.svc-orbit-card:nth-child(2), .svc-orbit-card:nth-child(5) { transform: translateY(22px); }
.svc-orbit-card:nth-child(3) { transform: translateY(-10px); }
.svc-orbit-card:nth-child(1), .svc-orbit-card:nth-child(6) { transform: translateY(8px); }
.svc-orbit-card:hover { transform: translateY(-6px) scale(1.05); box-shadow: var(--clay-shadow); }
.svc-orbit-card a {
  font-weight: 700; font-size: .98rem; line-height: 1.5; color: var(--ink);
  display: block; padding: 10px;
}
.svc-orbit-card:nth-child(3n) { background: linear-gradient(165deg, #FFFDF6 0%, var(--green) 100%); }

/* ---------- 2. 全景大图卡 ---------- */
.svc-overview { background: var(--cream); }
.svc-pano-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px;
}
.svc-pano-card { overflow: hidden; display: flex; flex-direction: column; }
.svc-pano-card img { width: 100%; height: 210px; object-fit: cover; }
.svc-pano-body { padding: 22px 24px 26px; }
.svc-pano-body h3 { margin-bottom: 10px; }
.svc-pano-body p { font-size: .94rem; margin-bottom: 14px; }
.svc-pano-link { font-weight: 700; color: var(--green-3); font-size: .92rem; }
.svc-pano-link:hover { color: var(--ink); }

/* ---------- 3. 拉片式对照 ---------- */
.svc-filmstrip-sec { background: var(--cream-2); }
.svc-film-row {
  display: grid;
  grid-template-columns: 84px 1fr 1fr;
  gap: 18px; align-items: stretch;
  margin-bottom: 18px;
}
.svc-frame-tag {
  align-self: center;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; letter-spacing: 2px; color: var(--ink);
  background: var(--yellow);
  border-radius: 999px;
  box-shadow: var(--clay-shadow-sm);
  padding: 12px 8px;
}
.svc-frame {
  background: linear-gradient(165deg, #FFFDF6 0%, var(--green) 130%);
  border-radius: var(--radius);
  box-shadow: var(--clay-shadow-sm);
  padding: 20px 24px;
}
.svc-frame b {
  display: inline-block; margin-bottom: 6px;
  background: var(--green-3); color: #fff;
  padding: 3px 14px; border-radius: 999px; font-size: .82rem;
}
.svc-frame p { color: var(--ink); font-size: .95rem; }
.svc-frame-plain {
  background: var(--cream-3);
  box-shadow: inset 0 2px 6px rgba(91,83,70,.08);
}
.svc-frame-plain b { background: var(--ink-3); }

/* ---------- 4. 行业适配横条 ---------- */
.svc-industry-sec { background: var(--cream); }
.svc-indu-wrap { display: grid; gap: 16px; }
.svc-indu-row {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 24px; align-items: center;
  background: linear-gradient(165deg, #FFFDF6 0%, var(--cream-2) 100%);
  border-radius: 999px;
  box-shadow: var(--clay-shadow-sm);
  padding: 20px 34px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.svc-indu-row:hover { transform: translateX(10px); box-shadow: var(--clay-shadow); }
.svc-indu-row h3 { font-size: 1.08rem; }
.svc-indu-row p { font-size: .94rem; }

/* ---------- 5. 服务流程竖列 ---------- */
.svc-flow-sec { background: var(--cream-2); }
.svc-flow-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  counter-reset: none;
}
.svc-flow-list li {
  position: relative;
  background: #FFFDF6;
  border-radius: var(--radius);
  box-shadow: var(--clay-shadow-sm);
  padding: 28px 22px 24px;
}
.svc-flow-no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #E5EFDC, var(--green-2));
  color: #fff; font-size: 1.3rem; font-weight: 800;
  box-shadow: var(--clay-shadow-sm);
  margin-bottom: 14px;
}
.svc-flow-list li h3 { font-size: 1.05rem; margin-bottom: 8px; }
.svc-flow-list li p { font-size: .9rem; }
.svc-flow-list li + li::before {
  content: "→"; position: absolute; left: -18px; top: 50%;
  transform: translateY(-50%); color: var(--yellow-3); font-weight: 800;
}

/* ---------- 6. FAQ ---------- */
.svc-faq-sec { background: var(--cream); }
.svc-faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.svc-faq-item {
  background: #FFFDF6;
  border-radius: var(--radius);
  box-shadow: var(--clay-shadow-sm);
  padding: 4px 26px;
}
.svc-faq-item summary {
  cursor: pointer; list-style: none;
  padding: 18px 0; font-weight: 700; font-size: 1.02rem;
  display: flex; justify-content: space-between; align-items: center;
}
.svc-faq-item summary::-webkit-details-marker { display: none; }
.svc-faq-item summary::after {
  content: "+"; font-size: 1.4rem; color: var(--green-3); font-weight: 400;
  transition: transform .3s var(--ease);
}
.svc-faq-item[open] summary::after { transform: rotate(45deg); }
.svc-faq-item p { padding: 0 0 20px; font-size: .95rem; }

/* ---------- 7. CTA ---------- */
.svc-cta-sec {
  position: relative;
  background: linear-gradient(150deg, var(--yellow) 0%, var(--green) 120%);
  padding: clamp(60px, 8vw, 100px) 0;
  overflow: hidden;
}
.svc-cta-dot {
  position: absolute; width: 220px; height: 220px; border-radius: 50%;
  background: rgba(255,255,255,.35); right: 8%; top: -60px;
}
.svc-cta-inner { text-align: center; position: relative; z-index: 2; }
.svc-cta-inner h2 { margin-bottom: 14px; }
.svc-cta-inner p { font-size: 1.02rem; margin-bottom: 26px; color: var(--ink); }
.svc-cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .svc-fold-wrap { grid-template-columns: 1fr; gap: 36px; }
  .svc-pano-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-flow-list { grid-template-columns: repeat(2, 1fr); }
  .svc-flow-list li + li::before { display: none; }
}
@media (max-width: 768px) {
  .svc-film-row { grid-template-columns: 1fr; gap: 10px; }
  .svc-frame-tag { padding: 8px; }
  .svc-indu-row { grid-template-columns: 1fr; border-radius: var(--radius); text-align: left; }
}
@media (max-width: 560px) {
  .svc-pano-grid { grid-template-columns: 1fr; }
  .svc-flow-list { grid-template-columns: 1fr; }
  .svc-fold-orbit { grid-template-columns: repeat(2, 1fr); }
  .svc-orbit-card:nth-child(n) { transform: none; }
}