/* =============================================================
   首页 index.html 专属样式 —— 全屏 Banner + 偏移错落网格
   ============================================================= */

/* ---------- 首屏 ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:calc(var(--topbar-h) + var(--header-h) + 40px) 0 90px;
  overflow:hidden;color:#F4EFE5;
}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background:url("../images/banner-home.jpg") center/cover no-repeat;
  transform:scale(1.04);
}
.hero-overlay{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(42,38,32,.92) 8%,rgba(42,38,32,.62) 48%,rgba(42,38,32,.34) 100%);
}
.hero-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
  width:min(1200px,92vw);margin:0 auto;
}
.hero-kicker{
  font-size:13px;letter-spacing:.4em;color:var(--earth-light);
  margin-bottom:22px;
}
.hero-anim{
  font-size:clamp(36px,5.2vw,58px);line-height:1.24;color:#F7F2E9;
  letter-spacing:.03em;margin-bottom:24px;
}
.hero-sub{
  max-width:560px;color:#CDC5B5;font-size:16px;line-height:1.95;
  margin-bottom:34px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.hero-contact{font-size:14px;color:#B8B0A1;letter-spacing:.04em}
.hero-contact a{color:var(--earth-light);border-bottom:1px dashed rgba(201,169,104,.5);transition:all .25s ease}
.hero-contact a:hover{color:#fff;border-bottom-color:#fff}
.hero-scroll{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  font-size:11px;letter-spacing:.5em;color:rgba(244,239,229,.55);
  writing-mode:vertical-lr;text-orientation:mixed;
}

/* 右侧错落信息板 */
.hero-board{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:18px;padding-top:30px}
.board-card{
  background:rgba(243,239,231,.94);color:var(--ink);
  border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow);
}
.board-card--main{grid-row:span 2;display:flex;flex-direction:column;justify-content:center}
.board-num{font-size:52px;color:var(--earth-deep)}
.board-label{font-size:13px;color:var(--ink-soft);letter-spacing:.12em;margin-top:6px}
.board-card--offset{margin-top:38px;background:rgba(42,38,32,.88);color:#EDE7DA;border:1px solid rgba(201,193,178,.2)}
.board-card--offset .board-num{color:var(--earth-light)}
.board-card--offset .board-label{color:#B8B0A1}
.board-card--tall{
  background:transparent;border:1px solid rgba(244,239,229,.34);
  color:#F4EFE5;display:flex;flex-direction:column;justify-content:center;
}
.board-quote{font-family:var(--font-serif);font-size:16px;line-height:1.9;color:#EFE9DC}
.board-sign{margin-top:14px;font-size:12px;letter-spacing:.16em;color:#B8B0A1}
.board-card--cta{
  grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;
  background:var(--earth);color:#FBF7EF;padding:18px 24px;margin-top:-26px;
}
.board-card--cta .link-more{color:#FBF7EF}
.board-card--cta .link-more:hover{color:#fff}

/* ---------- 核心优势（错落偏移） ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.adv-card{
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);padding:34px 28px;position:relative;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.adv-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(174,135,73,.4)}
.adv-icon{
  width:54px;height:54px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--paper-deep);color:var(--earth-deep);
  border-radius:var(--radius);margin-bottom:20px;
}
.adv-icon svg{width:27px;height:27px}
.adv-card h3{font-size:18px;letter-spacing:.06em;margin-bottom:10px}
.adv-card p{font-size:14px;color:var(--ink-soft);line-height:1.85}
.adv-card:nth-child(2){transform:translateY(46px)}
.adv-card:nth-child(3){margin-top:24px}
.adv-card:nth-child(4){margin-top:52px}
.adv-card:nth-child(5){transform:translateY(30px)}
.adv-card:nth-child(6){margin-top:44px}

/* ---------- 快速入口 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.quick-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:block;
}
.quick-card img{width:100%;height:190px;object-fit:cover;transition:transform .6s ease}
.quick-card:hover img{transform:scale(1.05)}
.quick-body{padding:22px 24px 26px}
.quick-body h3{font-size:17px;letter-spacing:.05em;margin-bottom:8px}
.quick-body p{font-size:13.5px;color:var(--ink-soft);line-height:1.8;margin-bottom:12px}
.quick-card:nth-child(2){transform:translateY(34px)}
.quick-card:nth-child(3){margin-top:52px}
.quick-card:nth-child(4){margin-top:-18px}
.quick-card:nth-child(5){transform:translateY(40px)}
.quick-card:nth-child(6){margin-top:20px}

/* ---------- 案例精选 ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.case-card{display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.case-img{position:relative;overflow:hidden}
.case-img img{width:100%;height:260px;object-fit:cover;transition:transform .6s ease}
.case-card:hover .case-img img{transform:scale(1.05)}
.case-tag{
  position:absolute;left:16px;top:16px;font-size:12px;letter-spacing:.14em;
  background:var(--dark);color:#EDE7DA;padding:5px 12px;border-radius:20px;
}
.case-body{padding:20px 22px 24px}
.case-body h3{font-size:17px;margin-bottom:8px;letter-spacing:.03em}
.case-body p{font-size:13.5px;color:var(--ink-soft);line-height:1.8;margin-bottom:10px}
.case-card:nth-child(2){transform:translateY(44px)}
.case-card:nth-child(3){margin-top:26px}
.case-card:nth-child(4){transform:translateY(-16px)}
.case-more{text-align:center;margin-top:64px}

/* ---------- 服务流程速览 ---------- */
.process-strip .section-tag{color:var(--earth-light)}
.process-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:52px;
}
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:proc}
.proc-item{position:relative;padding:26px 22px 24px;border-top:2px solid rgba(201,193,178,.2);transition:border-color .3s ease}
.proc-item:hover{border-top-color:var(--earth)}
.proc-num{font-family:var(--font-serif);font-size:34px;color:var(--earth-light);opacity:.85}
.proc-item h3{color:#EDE7DA;font-size:16.5px;margin:10px 0 8px;letter-spacing:.08em}
.proc-item p{font-size:13.5px;color:#A49C8C;line-height:1.85}
.proc-item:nth-child(2){transform:translateY(34px)}
.proc-item:nth-child(3){transform:translateY(10px)}
.proc-item:nth-child(4){transform:translateY(44px)}

/* ---------- 服务优势主张 ---------- */
.band-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center}
.band-photo{position:relative}
.band-photo img{width:100%;height:460px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.band-photo-tag{
  position:absolute;left:-18px;bottom:28px;background:var(--earth);color:#FBF7EF;
  padding:12px 20px;font-size:13px;letter-spacing:.2em;border-radius:var(--radius);
  transform:rotate(-2deg);
}
.band-copy .lead{margin:20px 0 26px}
.band-list{display:grid;gap:13px;margin-bottom:30px}
.band-list li{display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--ink-soft)}
.band-list svg{width:18px;height:18px;fill:var(--earth);flex:none}

/* ---------- 资讯区 ---------- */
.news-block{margin-bottom:52px}
.news-block--mini{margin-bottom:44px}
.news-block-title{
  display:flex;align-items:center;gap:12px;
  font-size:20px;letter-spacing:.1em;color:var(--ink);
  margin-bottom:22px;padding-bottom:12px;border-bottom:2px solid var(--line);
}
.news-block-title::before{content:"";width:8px;height:8px;background:var(--earth);transform:rotate(45deg)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:block}
.news-card-img{display:block;overflow:hidden}
.news-card-img img{width:100%;height:200px;object-fit:cover;transition:transform .6s ease}
.news-card:hover .news-card-img img{transform:scale(1.05)}
.news-card-body{padding:18px 20px 22px}
.news-card-body time{font-size:12px;color:var(--ink-faint);letter-spacing:.08em}
.news-card-body h4{font-size:15.5px;line-height:1.6;margin:8px 0 8px}
.news-card-body h4 a:hover{color:var(--earth-deep)}
.news-card-body p{
  font-size:13px;color:var(--ink-soft);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:12px;
}
.news-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-mini-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;
}
.news-mini-item>a{flex:none;width:96px;height:72px;overflow:hidden;border-radius:var(--radius)}
.news-mini-item img{width:96px;height:72px;object-fit:cover;transition:transform .5s ease}
.news-mini-item:hover img{transform:scale(1.06)}
.news-mini-body h4{font-size:14px;line-height:1.55;margin-bottom:5px}
.news-mini-body h4 a:hover{color:var(--earth-deep)}
.news-mini-body p{
  font-size:12.5px;color:var(--ink-faint);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:6px;
}
.news-mini-body time{font-size:11.5px;color:var(--ink-faint)}
.news-more{text-align:center}

/* ---------- 联系转化区 ---------- */
.cta-band{
  background:
    linear-gradient(115deg,rgba(42,38,32,.93) 0 52%,rgba(42,38,32,.78) 100%),
    url("../images/banner-contact.jpg") center/cover no-repeat;
  color:#F4EFE5;
}
.cta-band .section-tag{color:var(--earth-light)}
.cta-wrap{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.cta-title{font-size:clamp(26px,3.2vw,36px);color:#F7F2E9;letter-spacing:.04em;line-height:1.45;margin-bottom:12px}
.cta-sub{color:#CDC5B5;margin-bottom:26px;font-size:15px}
.cta-contacts{display:flex;gap:14px;flex-wrap:wrap}
.cta-contact{
  display:flex;align-items:center;gap:11px;
  border:1px solid rgba(244,239,229,.28);border-radius:var(--radius);
  padding:12px 20px;color:#F4EFE5;transition:all .3s ease;
}
.cta-contact:hover{border-color:var(--earth);background:rgba(174,135,73,.16)}
.cta-contact svg{width:20px;height:20px;fill:var(--earth-light)}
.cta-contact span{display:flex;flex-direction:column;line-height:1.25}
.cta-contact small{font-size:11px;letter-spacing:.2em;color:#B8B0A1;margin-bottom:3px}
.cta-btn{white-space:nowrap}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-board{max-width:560px}
  .adv-grid{grid-template-columns:1fr 1fr}
  .quick-grid{grid-template-columns:1fr 1fr}
  .band-wrap{grid-template-columns:1fr;gap:44px}
  .cta-wrap{grid-template-columns:1fr}
  .proc-grid{grid-template-columns:1fr 1fr;gap:0 24px}
  .proc-item:nth-child(3){transform:none}
}
@media (max-width:720px){
  .adv-grid{grid-template-columns:1fr}
  .adv-card:nth-child(2),.adv-card:nth-child(5){transform:none}
  .quick-grid{grid-template-columns:1fr}
  .quick-card:nth-child(2),.quick-card:nth-child(4),.quick-card:nth-child(5){transform:none}
  .case-grid{grid-template-columns:1fr}
  .case-card:nth-child(2),.case-card:nth-child(4){transform:none}
  .news-grid{grid-template-columns:1fr}
  .news-mini{grid-template-columns:1fr}
  .proc-grid{grid-template-columns:1fr}
  .proc-item:nth-child(2),.proc-item:nth-child(4){transform:none}
  .band-photo img{height:320px}
  .hero{padding-top:calc(var(--topbar-h) + var(--header-h) + 30px);min-height:auto}
  .hero-board{grid-template-columns:1fr;padding-top:0}
  .board-card--main{grid-row:auto}
  .board-card--offset,.board-card--cta{margin-top:0}
  .cta-contacts{flex-direction:column;align-items:stretch}
}