/* ==========================================================================
   index.css — 首页
   ========================================================================== */

.hero {
  background: linear-gradient(180deg, #fff6f0 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border);
  padding: 56px 0 48px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: -80px; width: 460px; height: 460px;
  border-radius: 50%; background: radial-gradient(circle, rgba(242, 106, 33, .1) 0%, rgba(242, 106, 33, 0) 68%);
}
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 40px; line-height: 1.28; letter-spacing: -.5px; }
.hero h1 em { font-style: normal; color: var(--primary); }
.hero .hero-sub { font-size: 16px; color: var(--text-2); margin-top: 16px; line-height: 1.8; }
.hero .hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 22px; }
.hero .hero-points span { display: flex; align-items: center; gap: 7px; font-size: 14px; color: var(--text-2); }
.hero .hero-cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }

.hero-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 26px; }
.hero-card h3 { font-size: 17px; margin-bottom: 6px; }
.hero-card .hc-sub { font-size: 13px; color: var(--text-3); margin-bottom: 18px; }
.hero-card .hc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hero-card .hc-stat { background: var(--bg); border-radius: 10px; padding: 14px 16px; }
.hero-card .hc-stat b { display: block; font-size: 22px; color: var(--primary); font-weight: 700; line-height: 1.3; }
.hero-card .hc-stat span { font-size: 12px; color: var(--text-3); }
.hero-card .hc-hot { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--border); }
.hero-card .hc-hot > span { font-size: 12px; color: var(--text-3); }
.hero-card .hc-hot .hc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.hero-card .hc-hot .hc-tags a { font-size: 13px; padding: 4px 12px; border-radius: 20px; background: var(--bg); color: var(--text-2); }
.hero-card .hc-hot .hc-tags a:hover { background: var(--primary-soft); color: var(--primary-dark); }

/* ---------- 信任条 ---------- */
.trust { border-bottom: 1px solid var(--border); background: #fff; }
.trust .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust .ti { display: flex; align-items: center; gap: 12px; padding: 24px 18px; border-right: 1px solid var(--border); }
.trust .ti:last-child { border-right: 0; }
.trust .ti b { display: block; font-size: 15px; font-weight: 600; }
.trust .ti span { font-size: 12px; color: var(--text-3); }

/* ---------- 通用区块 ---------- */
.sec { padding: 62px 0; }
.sec.alt { background: var(--bg); }

/* ---------- 热门服务 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.svc-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; display: flex; flex-direction: column; transition: all .2s; }
.svc-card:hover { border-color: var(--primary-line); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.svc-card .sc-cat { font-size: 12px; color: var(--text-3); }
.svc-card h3 { font-size: 16px; margin: 7px 0 8px; line-height: 1.45; }
.svc-card h3 a:hover { color: var(--primary); }
.svc-card .sc-desc { font-size: 13px; color: var(--text-3); line-height: 1.65; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.svc-card .sc-foot { display: flex; align-items: flex-end; justify-content: space-between; margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--border); }
.svc-card .sc-price { color: var(--primary); font-size: 22px; font-weight: 700; line-height: 1; }
.svc-card .sc-price small { font-size: 12px; font-weight: 400; color: var(--text-3); margin-left: 2px; }
.svc-card .sc-price i { font-size: 13px; font-style: normal; }
.sc-hot { position: absolute; }
.svc-card .sc-tagrow { display: flex; gap: 6px; margin-bottom: 10px; }

/* ---------- 品类导航 ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.cat-item {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px 18px; text-align: center; transition: all .2s;
}
.cat-item:hover { border-color: var(--primary-line); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.cat-item .ci-icon { width: 46px; height: 46px; margin: 0 auto 12px; border-radius: 12px; background: var(--primary-soft); display: flex; align-items: center; justify-content: center; }
.cat-item b { display: block; font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.cat-item span { font-size: 12px; color: var(--text-3); display: block; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 品类详情分组 ---------- */
.cat-group { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px 24px; margin-bottom: 16px; }
.cat-group .cg-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.cat-group .cg-head b { font-size: 17px; font-weight: 600; }
.cat-group .cg-head span { font-size: 13px; color: var(--text-3); }
.cat-group .cg-head .btn { margin-left: auto; }
.cat-group .cg-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.cat-group .cg-list a {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 11px 14px; border-radius: 8px; background: var(--bg); font-size: 14px;
}
.cat-group .cg-list a:hover { background: var(--primary-soft); }
.cat-group .cg-list .cg-price { color: var(--primary); font-weight: 600; font-size: 13px; flex-shrink: 0; }

/* ---------- 服务流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.step { text-align: center; padding: 0 12px; position: relative; }
.step .sp-no {
  width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%;
  background: #fff; border: 2px solid var(--primary); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700;
  position: relative; z-index: 1;
}
.step::before { content: ""; position: absolute; left: 0; right: 50%; top: 21px; height: 1px; background: var(--primary-line); }
.step::after { content: ""; position: absolute; left: 50%; right: 0; top: 21px; height: 1px; background: var(--primary-line); }
.step:first-child::before, .step:last-child::after { display: none; }
.step b { display: block; font-size: 15px; font-weight: 600; margin-bottom: 5px; }
.step span { font-size: 13px; color: var(--text-3); line-height: 1.6; }

/* ---------- 师傅 ---------- */
.eng-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.eng-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; text-align: center; transition: all .2s; }
.eng-card:hover { border-color: var(--primary-line); box-shadow: var(--shadow-lg); }
.eng-card .ec-av {
  width: 62px; height: 62px; margin: 0 auto 12px; border-radius: 50%;
  background: var(--primary-soft); color: var(--primary-dark);
  display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 700;
}
.eng-card b { display: block; font-size: 15px; font-weight: 600; }
.eng-card .ec-skill { font-size: 12px; color: var(--primary-dark); background: var(--primary-soft); display: inline-block; padding: 1px 10px; border-radius: 20px; margin: 7px 0 8px; }
.eng-card .ec-meta { font-size: 12px; color: var(--text-3); display: flex; justify-content: center; gap: 12px; }

/* ---------- 资讯 + 问答 ---------- */
.two-col { display: grid; grid-template-columns: 1.35fr 1fr; gap: 40px; }
.news-list-simple li { padding: 15px 0; border-bottom: 1px dashed var(--border); }
.news-list-simple li:last-child { border-bottom: 0; }
.news-list-simple .nl-title { font-size: 15px; display: flex; gap: 10px; align-items: baseline; }
.news-list-simple .nl-title a { flex: 1; }
.news-list-simple .nl-date { font-size: 12px; color: var(--text-3); flex-shrink: 0; }
.news-list-simple .nl-sum { font-size: 13px; color: var(--text-3); margin-top: 5px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }

.faq-list li { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; background: #fff; overflow: hidden; }

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(120deg, #f26a21 0%, #f78945 100%);
  border-radius: var(--radius-lg); padding: 40px 44px; color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
}
.cta-band h2 { font-size: 26px; color: #fff; }
.cta-band p { color: rgba(255, 255, 255, .88); margin-top: 6px; }
.cta-band .btn { background: #fff; color: var(--primary); }
.cta-band .btn:hover { background: #fff5ef; color: var(--primary-dark); }

@media (max-width: 1100px) {
  .svc-grid, .eng-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 28px; }
  .step::before, .step::after { display: none; }
}
@media (max-width: 960px) {
  .hero .container, .two-col { grid-template-columns: 1fr; gap: 28px; }
  .trust .container { grid-template-columns: 1fr 1fr; }
  .trust .ti:nth-child(2) { border-right: 0; }
  .svc-grid, .eng-grid, .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-group .cg-list { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}

/* ============ 按场景找服务 ============ */
.scn-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.scn-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 20px 16px; display: flex; flex-direction: column; gap: 8px; transition: all .2s; position: relative; }
.scn-card:hover { border-color: var(--primary); box-shadow: 0 8px 24px rgba(242, 106, 33, .12); transform: translateY(-3px); }
.scn-icon { font-size: 28px; line-height: 1; }
.scn-card b { font-size: 15px; color: var(--text-1); }
.scn-sym { font-size: 12px; color: var(--text-3); line-height: 1.7; }
.scn-go { font-size: 12px; color: var(--primary); margin-top: auto; font-weight: 600; }

/* ============ 工程案例 ============ */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.case-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 20px; transition: all .2s; }
.case-card:hover { box-shadow: 0 8px 24px rgba(0, 0, 0, .08); transform: translateY(-3px); }
.case-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.case-name { display: block; font-size: 15px; color: var(--text-1); margin-bottom: 10px; }
.case-meta { display: flex; gap: 14px; font-size: 12px; color: var(--text-3); margin-bottom: 10px; }
.case-meta span::before { content: '·'; margin-right: 4px; color: var(--primary); }
.case-result { font-size: 13px; color: var(--text-2); line-height: 1.7; border-top: 1px dashed var(--border); padding-top: 10px; }

@media (max-width: 1100px) {
  .scn-grid { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .scn-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
}