/* ============================================================
   service-seo.html SEO 优化（圆标+文字 hero）
   ============================================================ */

.seo-hero {
  padding: calc(var(--header-h) + var(--topbar-h) + 50px) 0 80px;
  background:
    radial-gradient(circle at 15% 30%, rgba(191,216,178,.5), transparent 55%),
    linear-gradient(160deg, var(--green) 0%, var(--cream) 100%);
  overflow: hidden;
}
.seo-hero-inner {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 50px;
  align-items: center;
}
.seo-hero-badge {
  position: relative;
  width: 320px; height: 320px;
  margin: 0 auto;
}
.seo-badge-ring {
  position: absolute; inset: -14px;
  border-radius: 50%;
  border: 3px dashed rgba(139,180,126,.6);
}
.seo-badge-core {
  position: absolute; inset: 0;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: var(--clay-shadow-lg);
}
.seo-badge-core img { width: 100%; height: 100%; object-fit: cover; }
.seo-badge-core span {
  position: absolute; left: 50%; bottom: 18px;
  transform: translateX(-50%);
  background: var(--yellow);
  color: var(--ink);
  padding: 6px 20px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: 4px;
  box-shadow: var(--clay-shadow-sm);
}

.seo-bread { margin-bottom: 20px; font-size: .88rem; color: var(--ink-3); }
.seo-bread a { font-weight: 600; color: var(--ink-2); }
.seo-bread em { font-style: normal; color: var(--ink); }
.seo-hero h1 { margin-bottom: 16px; }
.seo-hero-sub { margin-bottom: 26px; max-width: 560px; }
.seo-hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.seo-hero-contact { font-size: .9rem; color: var(--ink-3); }

/* 圆形编号步骤 */
.seo-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.seo-step {
  text-align: center;
  padding: 20px 16px;
}
.seo-snum {
  width: 80px; height: 80px; border-radius: 50%;
  margin: 0 auto 16px;
  background: radial-gradient(circle at 30% 25%, #FFF, var(--green) 75%);
  color: #3F5238;
  font-weight: 800; font-size: 1.6rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--clay-shadow);
}
.seo-step h3 { margin-bottom: 8px; font-size: 1.08rem; }
.seo-step p { font-size: .92rem; }

/* 左清单右图 */
.seo-deliver-bg { background: var(--cream-2); }
.seo-deliver {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.seo-deliver-text h2 { margin: 10px 0 16px; }
.seo-deliver-photo {
  overflow: hidden;
  box-shadow: var(--clay-shadow);
  transform: rotate(-1.5deg);
}
.seo-deliver-photo img { width: 100%; height: auto; }

/* 行业标签 */
.seo-tags {
  display: flex; flex-wrap: wrap; gap: 12px;
}
.seo-tags span {
  padding: 10px 22px;
  background: var(--cream-2);
  border-radius: 999px;
  font-size: .95rem;
  color: var(--ink-2);
  box-shadow: var(--clay-shadow-sm);
  transition: transform .25s var(--ease), background .25s var(--ease);
}
.seo-tags span:hover {
  transform: translateY(-3px);
  background: var(--yellow);
  color: var(--ink);
}

/* 三列对比 */
.seo-vs-bg { background: linear-gradient(135deg, var(--cream-2), var(--cream)); }
.seo-vs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.seo-vs-col {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--clay-shadow-sm);
}
.seo-vs-hot {
  background: linear-gradient(165deg, #E5EFDC, var(--green));
}
.seo-vs-col h3 { margin-bottom: 14px; text-align: center; }
.seo-vs-note {
  margin-top: 24px; text-align: center;
  font-size: .95rem; color: var(--ink-2);
}
.seo-vs-note a { color: var(--green-3); font-weight: 600; }

/* 案例 */
.seo-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.seo-case {
  position: relative; display: block;
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--clay-shadow-sm);
}
.seo-case img { width: 100%; height: 220px; object-fit: cover; transition: transform .5s var(--ease); }
.seo-case:hover img { transform: scale(1.06); }
.seo-case-mask {
  position: absolute; inset: auto 0 0 0;
  padding: 36px 20px 16px;
  background: linear-gradient(180deg, transparent, rgba(91,83,70,.85));
  color: #fff;
  display: flex; justify-content: space-between; align-items: center;
}
.seo-case-mask b { font-size: 1rem; }
.seo-case-mask span { font-size: .88rem; opacity: .9; }

/* 价格 */
.seo-price {
  padding: 56px 0;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-2) 100%);
}
.seo-price-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 30px; flex-wrap: wrap;
  background: rgba(255,253,246,.5);
  border-radius: var(--radius);
  padding: 36px 44px;
}
.seo-price h2 { margin-bottom: 10px; }
.seo-price p { max-width: 640px; }
.seo-price a { color: #3F5238; }

/* FAQ */
.seo-faq { max-width: 820px; margin: 0 auto; }
.seo-faq details {
  background: var(--cream-2);
  border-radius: var(--radius-sm);
  padding: 18px 24px;
  margin-bottom: 14px;
  box-shadow: var(--clay-shadow-sm);
}
.seo-faq summary {
  cursor: pointer; font-weight: 700; font-size: 1.02rem;
  list-style: none; position: relative; padding-right: 30px;
}
.seo-faq summary::-webkit-details-marker { display: none; }
.seo-faq summary::after {
  content: "+"; position: absolute; right: 0; top: 0;
  font-size: 1.4rem; color: var(--green-3);
}
.seo-faq details[open] summary::after { content: "−"; }
.seo-faq details p { margin-top: 10px; font-size: .95rem; }
.seo-faq a { color: var(--green-3); font-weight: 600; }

/* CTA */
.seo-cta {
  padding: 80px 0;
  background:
    radial-gradient(circle at 90% 20%, rgba(191,216,178,.6), transparent 50%),
    linear-gradient(160deg, var(--yellow) 0%, var(--cream) 100%);
}
.seo-cta-inner { text-align: center; max-width: 760px; margin: 0 auto; }
.seo-cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin: 22px 0; }
.seo-cta-other { font-size: .9rem; color: var(--ink-3); }
.seo-cta-other a { color: var(--green-3); font-weight: 600; margin: 0 6px; }

@media (max-width: 1024px) {
  .seo-hero-inner { grid-template-columns: 1fr; }
  .seo-steps { grid-template-columns: repeat(2, 1fr); }
  .seo-deliver { grid-template-columns: 1fr; }
  .seo-vs { grid-template-columns: 1fr; }
  .seo-cases { grid-template-columns: 1fr; }
}

.seo-about-bg { background: var(--cream-2); }
.seo-about p { max-width: 820px; font-size: 1.02rem; line-height: 1.9; margin-bottom: 14px; }