/* ============================================================================
   index.html 首页专属样式（复古美式工业风）
   注意：本页区块结构（hero/advantage/positions/flow/cities/home-news/cert/
         enterprise/faq-mini/cta-band）为首页独有，其他页面禁止复制本页区块结构
   ========================================================================== */

/* ---------- 首屏全屏 Banner ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(24,14,5,.94) 0%,rgba(31,52,38,.82) 55%,rgba(16,24,18,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:calc(var(--header-h) + 30px);padding-bottom:120px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:12px;font-size:14px;letter-spacing:.2em;
  color:var(--brass-light);text-transform:uppercase;margin-bottom:22px;
}
.hero-kicker::before{content:"";width:42px;height:2px;background:var(--brass)}
.hero-title{
  font-size:clamp(34px,6.2vw,72px);line-height:1.12;color:var(--cream-50);
  text-shadow:0 4px 24px rgba(0,0,0,.35);margin-bottom:20px;
}
.hero-title .line1,.hero-title .line2{display:block}
.hero-title i{font-style:normal;display:inline-block}
.hero-title .line1 i{animation-delay:calc(var(--i,0)*1ms + 200ms)}
.hero-title .line2 i{animation-delay:calc(var(--i,0)*1ms + 700ms)}
.hero-sub{max-width:640px;font-size:clamp(15px,1.6vw,17.5px);color:var(--cream-200);line-height:1.9;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-city{display:flex;flex-wrap:wrap;gap:10px}
.hero-city a{
  display:inline-block;padding:7px 16px;font-size:13.5px;letter-spacing:.06em;
  border:1px solid rgba(242,235,219,.4);border-radius:var(--r-xs);color:var(--cream-100);
  transition:background .25s ease,border-color .25s ease,color .25s ease;
}
.hero-city a:hover{background:var(--brass);border-color:var(--brass);color:var(--cream-50)}
.hero-stat{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  background:rgba(15,25,18,.72);backdrop-filter:blur(4px);
  border-top:1px solid rgba(210,176,120,.35);
}
.hero-stat{display:flex;justify-content:center}
.hero-stat-card{
  flex:1;max-width:240px;text-align:center;padding:18px 10px;border-right:1px dashed rgba(210,176,120,.35);
}
.hero-stat-card:last-child{border-right:none}
.hero-stat-card b{display:block;font-family:var(--font-display);font-size:clamp(26px,3vw,38px);color:var(--brass-light)}
.hero-stat-card span{font-size:12.5px;letter-spacing:.14em;color:var(--cream-200);text-transform:uppercase}
.hero-scroll{
  position:absolute;right:26px;bottom:26px;z-index:3;width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border:2px solid var(--brass);border-radius:50%;color:var(--brass-light);
}
.hero-scroll span{width:2px;height:14px;background:var(--brass-light);border-radius:2px;animation:scrollHint 1.6s ease infinite}
@keyframes scrollHint{0%{transform:translateY(-5px);opacity:.3}50%{opacity:1}100%{transform:translateY(5px);opacity:.3}}

/* ---------- 核心优势 · 左右图文对撞错位 ---------- */
.adv-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:center;margin-bottom:clamp(48px,6vw,84px)}
.adv-row:last-child{margin-bottom:0}
.adv-media{position:relative}
.adv-media img{
  width:100%;height:auto;border-radius:var(--r-md);box-shadow:var(--shadow-lg);
  border:1px solid var(--line);
}
.adv-row:nth-child(2) .adv-media{transform:translateY(26px) rotate(-1.2deg)}
.adv-row:nth-child(3) .adv-media{transform:translateY(-18px) rotate(1deg)}
.adv-row:nth-child(4) .adv-media{transform:translateY(22px) rotate(-.8deg)}
.adv-plate{
  position:absolute;right:-14px;bottom:-14px;width:74px;height:74px;
  background:var(--brown-800);border:3px solid var(--brass);border-radius:var(--r-xs);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:26px;color:var(--brass-light);
  box-shadow:var(--shadow-md);transform:rotate(6deg);
}
.adv-body h3{font-size:clamp(24px,2.6vw,32px);color:var(--brown-800);margin-bottom:14px}
.adv-body > p{color:var(--ink-soft);font-size:15.5px;line-height:1.9;margin-bottom:18px}
.adv-points{margin-bottom:22px}
.adv-points li{
  position:relative;padding-left:26px;margin-bottom:10px;font-size:14.5px;color:var(--ink-soft);
}
.adv-points li::before{
  content:"";position:absolute;left:0;top:6px;width:12px;height:12px;
  border:2px solid var(--green-600);border-radius:2px;transform:rotate(45deg);
}
.adv-row:nth-child(even) .adv-media{order:2}
.adv-row:nth-child(even) .adv-body{order:1}

/* ---------- 八大员岗位 · 快速入口 ---------- */
.pos-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pos-card{
  position:relative;background:var(--cream-50);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 20px 24px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  overflow:hidden;
}
.pos-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--brass),var(--green-600));
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.pos-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:var(--brass)}
.pos-card:hover::before{transform:scaleX(1)}
.pos-icon{
  display:inline-flex;width:52px;height:52px;border-radius:var(--r-xs);
  background:var(--green-800);color:var(--brass-light);
  align-items:center;justify-content:center;margin-bottom:14px;
  border:1px solid var(--green-600);
}
.pos-card:hover .pos-icon{background:var(--brown-800);border-color:var(--brass)}
.pos-card h3{font-size:19px;color:var(--brown-800);margin-bottom:6px}
.pos-card p{font-size:13.5px;color:var(--muted)}

/* ---------- 报考流程 · 六步 ---------- */
.flow-steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:flow}
.flow-steps li{
  position:relative;background:var(--cream-50);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 16px 20px;text-align:center;transition:transform .3s ease,box-shadow .3s ease;
}
.flow-steps li:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.flow-steps b{
  display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;
  border-radius:50%;background:var(--brown-800);color:var(--brass-light);
  font-family:var(--font-display);font-size:15px;margin-bottom:12px;
}
.flow-steps h3{font-size:16px;color:var(--brown-800);margin-bottom:6px}
.flow-steps p{font-size:13px;color:var(--muted);line-height:1.7}
.flow-steps li:not(:last-child)::after{
  content:"→";position:absolute;right:-14px;top:36px;color:var(--brass);font-size:20px;z-index:2;
}
.flow-cta{display:flex;gap:14px;justify-content:center;margin-top:36px;flex-wrap:wrap}

/* ---------- 双城服务 ---------- */
.city-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.city-card{
  position:relative;overflow:hidden;border-radius:var(--r-md);border:1px solid var(--line);
  display:block;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;
}
.city-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.city-card img{width:100%;height:280px;object-fit:cover;transition:transform .6s ease}
.city-card:hover img{transform:scale(1.05)}
.city-card::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(24,14,5,0) 30%,rgba(24,14,5,.88) 100%);
}
.city-tag{
  position:absolute;top:16px;left:16px;z-index:2;padding:5px 14px;font-size:13px;font-weight:600;
  background:var(--brass);color:var(--cream-50);border-radius:var(--r-xs);letter-spacing:.1em;
}
.city-card h3{position:absolute;left:20px;bottom:54px;z-index:2;color:var(--cream-50);font-size:22px}
.city-card p{position:absolute;left:20px;right:104px;bottom:24px;z-index:2;color:var(--cream-200);font-size:13.5px;line-height:1.7}
.city-more{position:absolute;right:20px;bottom:26px;z-index:2;color:var(--brass-light);font-size:13.5px;font-weight:600}

/* ---------- 资讯列表 ---------- */
.home-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.home-news-item{
  background:var(--cream-50);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.home-news-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.home-news-media{display:block;overflow:hidden;position:relative}
.home-news-media img{width:100%;height:190px;object-fit:cover;transition:transform .5s ease}
.home-news-item:hover .home-news-media img{transform:scale(1.06)}
.home-news-media::after{
  content:"";position:absolute;inset:0;border-bottom:3px solid var(--brass);opacity:0;transition:opacity .3s;
}
.home-news-item:hover .home-news-media::after{opacity:1}
.home-news-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.home-news-body h3{font-size:16.5px;line-height:1.5;color:var(--brown-800);margin-bottom:8px}
.home-news-body h3 a:hover{color:var(--green-600)}
.home-news-body p{
  font-size:13.5px;color:var(--muted);line-height:1.7;flex:1;margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.home-news-body time{
  font-size:12.5px;color:var(--brass);letter-spacing:.08em;display:flex;align-items:center;gap:6px;
}
.home-news-body time::before{content:"";width:14px;height:1.5px;background:var(--brass)}
.home-news-more{text-align:center;margin-top:32px}

/* ---------- 证书服务带 ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.cert-item{
  background:var(--cream-50);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 16px;text-align:center;transition:transform .3s ease,box-shadow .3s ease,background .3s ease;
}
.cert-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);background:var(--green-800)}
.cert-item:hover h3{color:var(--cream-50)}
.cert-item:hover p{color:var(--cream-200)}
.cert-icon{
  display:inline-flex;width:54px;height:54px;align-items:center;justify-content:center;margin-bottom:14px;
  border-radius:50%;background:var(--cream-100);color:var(--green-700);
  border:1.5px dashed var(--green-500);
}
.cert-item:hover .cert-icon{background:var(--green-700);color:var(--brass-light);border-color:var(--brass)}
.cert-item h3{font-size:16px;color:var(--brown-800);margin-bottom:6px}
.cert-item p{font-size:12.5px;color:var(--muted);line-height:1.6}

/* ---------- 企业团体报名带 ---------- */
.enterprise-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,4vw,56px);align-items:center}
.enterprise-text .sec-kicker{color:var(--brass)}
.enterprise-text h2{color:var(--cream-50);font-size:clamp(24px,3vw,36px);margin-bottom:16px}
.enterprise-text p{color:var(--cream-200);font-size:15px;line-height:1.9;margin-bottom:18px}
.enterprise-text ul{margin-bottom:24px}
.enterprise-text ul li{
  position:relative;padding-left:24px;color:var(--cream-200);font-size:14.5px;margin-bottom:9px;
}
.enterprise-text ul li::before{
  content:"";position:absolute;left:0;top:8px;width:10px;height:10px;background:var(--brass);transform:rotate(45deg);
}
.enterprise-media{position:relative}
.enterprise-media img{width:100%;height:auto;border-radius:var(--r-md);border:3px solid var(--cream-200);box-shadow:var(--shadow-lg)}
.enterprise-stamp{
  position:absolute;top:-16px;right:-12px;padding:10px 18px;background:var(--rust);color:var(--cream-50);
  font-size:14px;font-weight:600;letter-spacing:.2em;border-radius:var(--r-xs);transform:rotate(4deg);
  box-shadow:var(--shadow-md);
}

/* ---------- 常见问题摘选 ---------- */
.faq-mini-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(24px,4vw,56px);align-items:start}
.faq-more-btn{margin-top:18px}
.faq-mini-item{border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:12px;background:var(--cream-50);overflow:hidden}
.faq-mini-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:15px 18px;font-size:15px;font-weight:600;color:var(--brown-800);text-align:left;
}
.faq-sign{color:var(--brass);font-size:20px;font-weight:400;transition:transform .3s ease}
.faq-mini-item.open .faq-sign{transform:rotate(45deg)}
.faq-mini-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-mini-a p{padding:0 18px 16px;font-size:14px;color:var(--ink-soft);line-height:1.8}

/* ---------- 底部咨询行动带 ---------- */
.cta-inner{display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between}
.cta-text h2{color:var(--cream-50);font-size:clamp(24px,3vw,34px);margin-bottom:8px}
.cta-text p{color:var(--cream-200);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .pos-grid{grid-template-columns:repeat(3,1fr)}
  .flow-steps{grid-template-columns:repeat(3,1fr);gap:18px}
  .flow-steps li:nth-child(3)::after{display:none}
  .cert-grid{grid-template-columns:repeat(3,1fr)}
  .home-news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .hero-stat{display:none}
}
@media (max-width:760px){
  .adv-row{grid-template-columns:1fr;gap:26px}
  .adv-row:nth-child(2) .adv-media,.adv-row:nth-child(3) .adv-media,.adv-row:nth-child(4) .adv-media{transform:none}
  .adv-row:nth-child(even) .adv-media{order:1}
  .adv-row:nth-child(even) .adv-body{order:2}
  .pos-grid{grid-template-columns:repeat(2,1fr)}
  .flow-steps{grid-template-columns:repeat(2,1fr)}
  .flow-steps li::after{display:none}
  .city-pair{grid-template-columns:1fr}
  .city-card{position:relative;display:flex;flex-direction:column}
  .city-card::after{display:none}
  .city-card img{height:210px}
  .city-card h3{position:static;order:2;color:var(--brown-800);font-size:20px;padding:18px 20px 4px}
  .city-card p{position:static;order:3;color:var(--ink-soft);padding:0 20px 6px}
  .city-more{position:static;order:4;color:var(--green-600);padding:0 20px 20px}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .home-news-grid{grid-template-columns:1fr}
  .enterprise-inner,.faq-mini-grid{grid-template-columns:1fr}
  .hero-scroll{display:none}
}