/* ============================================================
   mqxn.cn 首页专属样式
   ============================================================ */

/* ---------- 全屏 Banner ---------- */
.home-hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.home-hero .hero-bg{position:absolute;inset:0;z-index:-3;background-size:cover;background-position:center;animation:heroZoom 18s ease-in-out infinite alternate}
@keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.08)}}
.home-hero .hero-mask{position:absolute;inset:0;z-index:-2;background:linear-gradient(100deg,rgba(7,32,58,.88) 6%,rgba(10,58,104,.66) 46%,rgba(12,90,158,.28) 100%)}
.home-hero .hero-grid{position:absolute;inset:0;z-index:-1;opacity:.5;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:56px 56px}
.home-hero .hero-inner{width:100%;padding:150px 0 90px}
.home-hero .hero-kick{display:inline-flex;align-items:center;gap:10px;color:#a9d9ff;font-size:14px;letter-spacing:4px;border:1px solid rgba(255,255,255,.3);padding:8px 20px;border-radius:99px;background:rgba(255,255,255,.08);backdrop-filter:blur(4px)}
.home-hero .hero-kick i{width:7px;height:7px;border-radius:50%;background:#7cc4ff;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.home-hero h1{color:#fff;font-size:52px;line-height:1.28;font-weight:800;letter-spacing:2px;margin:26px 0 18px;max-width:820px}
.home-hero h1 .hl{position:relative;color:#9fd4ff}
.home-hero h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:rgba(46,158,245,.35);z-index:-1;border-radius:4px}
.home-hero .hero-desc{color:rgba(255,255,255,.86);font-size:17px;line-height:1.9;max-width:660px;margin-bottom:30px}
.home-hero .hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.home-hero .hero-note{display:flex;align-items:center;gap:22px;margin-top:34px;color:rgba(255,255,255,.75);font-size:13px;flex-wrap:wrap}
.home-hero .hero-note span{display:inline-flex;align-items:center;gap:7px}
.home-hero .hero-note svg{width:15px;height:15px;color:#7cc4ff}

/* 打字光标动画 */
.hero-type{display:inline-block}
.hero-type::after{content:"|";color:#7cc4ff;font-weight:400;animation:caret 1s steps(1) infinite}
@keyframes caret{50%{opacity:0}}

/* 首页快速入口 */
.hero-quick{position:relative;z-index:2;margin-top:44px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.hero-quick a{display:flex;align-items:center;gap:13px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);backdrop-filter:blur(10px);padding:16px 18px;border-radius:14px;color:#fff;transition:.3s}
.hero-quick a:hover{background:rgba(255,255,255,.22);transform:translateY(-4px)}
.hero-quick .hq-ico{width:38px;height:38px;border-radius:10px;background:rgba(124,196,255,.22);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.hero-quick .hq-ico svg{width:20px;height:20px;color:#9fd4ff}
.hero-quick b{font-size:14px;display:block;line-height:1.3}
.hero-quick small{font-size:11.5px;color:rgba(255,255,255,.68)}

/* ---------- 阶梯式区块（首页） ---------- */
.home-step{position:relative;padding-left:56px}
.home-step .hs-line{position:absolute;left:6px;top:24px;bottom:24px;width:2px;background:linear-gradient(180deg,var(--blue),var(--sky))}
.home-step .hs-dot{position:absolute;left:0;top:18px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--blue);box-shadow:0 0 0 5px var(--sky)}
.home-step .hs-dot:nth-of-type(2){top:50%}
.home-step .hs-dot:nth-of-type(3){bottom:18px;top:auto}
.home-step.alt{padding-left:0;padding-right:56px}
.home-step.alt .hs-line{left:auto;right:6px}
.home-step.alt .hs-dot{left:auto;right:0}

/* ---------- 核心优势（首页 variant A：错位卡片） ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.adv-card{position:relative;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:30px 28px 26px;overflow:hidden;transition:.35s}
.adv-card:nth-child(2){transform:translateY(26px)}
.adv-card:nth-child(3){transform:translateY(-12px)}
.adv-card:nth-child(4){transform:translateY(16px)}
.adv-card:hover{box-shadow:var(--shadow-lg);border-color:#bfdcf6;transform:translateY(-4px)!important}
.adv-card .ac-no{position:absolute;right:18px;top:10px;font-size:52px;font-weight:800;color:var(--sky);line-height:1;letter-spacing:-2px}
.adv-card .ac-ico{width:56px;height:56px;border-radius:15px;background:linear-gradient(135deg,var(--blue),#57b3ff);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px rgba(46,158,245,.35);margin-bottom:16px}
.adv-card .ac-ico svg{width:28px;height:28px;color:#fff}
.adv-card h3{font-size:18px;font-weight:700;margin-bottom:9px;letter-spacing:.5px}
.adv-card h3 em{font-style:normal;color:var(--blue-d)}
.adv-card p{font-size:14px;color:var(--ink2);line-height:1.85}
.adv-card ul{margin-top:14px;display:grid;gap:7px}
.adv-card ul li{font-size:13.5px;color:var(--ink2);display:flex;gap:8px;align-items:flex-start}
.adv-card ul li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);margin-top:7px;flex-shrink:0}

/* ---------- 工种总览（首页） ---------- */
.work-overview{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.wo-card{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:4/3;display:block;box-shadow:var(--shadow)}
.wo-card img{width:100%;height:100%;object-fit:cover;transition:.6s}
.wo-card:hover img{transform:scale(1.07)}
.wo-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,45,84,.05) 30%,rgba(8,32,58,.86) 100%)}
.wo-card .wo-body{position:absolute;left:0;right:0;bottom:0;padding:20px 22px;color:#fff;z-index:1}
.wo-card .wo-body b{font-size:18px;letter-spacing:1px;display:block;margin-bottom:4px}
.wo-card .wo-body span{font-size:12.5px;color:rgba(255,255,255,.78)}
.wo-card .wo-body .wo-more{margin-top:10px;display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:#9fd4ff;opacity:0;transform:translateY(8px);transition:.35s}
.wo-card:hover .wo-more{opacity:1;transform:none}
.wo-card .wo-ico{position:absolute;top:16px;right:16px;z-index:1;width:42px;height:42px;border-radius:11px;background:rgba(255,255,255,.16);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center}
.wo-card .wo-ico svg{width:22px;height:22px;color:#fff}

/* 工种分组横向导航 */
.work-tabs{display:flex;gap:12px;margin-bottom:26px;flex-wrap:wrap}
.work-tabs a{padding:10px 22px;border-radius:99px;background:var(--white);border:1.5px solid var(--line);font-size:14px;color:var(--ink2);transition:.25s}
.work-tabs a:hover,.work-tabs a.on{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(46,158,245,.3)}

/* ---------- 批次表（首页） ---------- */
.batch-home{display:grid;grid-template-columns:1.5fr 1fr;gap:22px}
.batch-home .bh-note{display:flex;flex-direction:column;justify-content:center;gap:14px}
.batch-home .bh-note h3{font-size:22px;font-weight:700;line-height:1.5}
.batch-home .bh-note h3 em{color:var(--blue-d);font-style:normal}
.batch-home .bh-note p{color:var(--ink2);font-size:14.5px;line-height:1.9}
.batch-home .bh-note a{align-self:flex-start}

/* ---------- 证书服务双栏（首页） ---------- */
.cert-home{display:grid;grid-template-columns:1.1fr 1fr;gap:26px;align-items:center}
.cert-home .ch-img{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg)}
.cert-home .ch-img img{width:100%;height:100%;object-fit:cover;min-height:380px}
.cert-home .ch-img .ch-float{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.94);border-radius:12px;padding:12px 18px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px}
.cert-home .ch-img .ch-float b{font-size:20px;color:var(--blue-d);display:block;line-height:1.2}
.cert-home .ch-img .ch-float span{font-size:12px;color:var(--ink2)}
.cert-home .ch-list{display:grid;gap:16px}
.cert-home .ch-list a{display:flex;align-items:center;gap:14px;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:16px 20px;transition:.3s}
.cert-home .ch-list a:hover{border-color:var(--blue);transform:translateX(6px);box-shadow:var(--shadow)}
.cert-home .ch-list .cl{width:42px;height:42px;border-radius:11px;background:var(--sky);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cert-home .ch-list .cl svg{width:22px;height:22px;color:var(--blue-d)}
.cert-home .ch-list b{font-size:15px;display:block}
.cert-home .ch-list span{font-size:12.5px;color:var(--ink2)}

/* ---------- 首页资讯区（四列表 标签直出） ---------- */
.home-news{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.hn-col{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:18px 16px}
.hn-col li+li{border-top:1px dashed var(--line)}
.hn-col a{display:block;padding:12px 2px}
.hn-col a:hover h3{color:var(--blue-d)}
.hn-col h3{font-size:13.5px;font-weight:600;line-height:1.6;height:44px;overflow:hidden;transition:.2s}
.hn-col time{display:block;font-size:11.5px;color:var(--ink3);margin-top:5px}
.hn-col img{display:none}

/* ---------- 合作企业（首页） ---------- */
.partner-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.partner-strip span{font-size:14px;color:var(--ink2);background:var(--white);border:1px solid var(--line);border-radius:99px;padding:9px 22px;transition:.25s}
.partner-strip span:hover{border-color:var(--blue);color:var(--blue-d)}

/* ---------- 首页响应式 ---------- */
@media (max-width:1024px){
  .home-hero h1{font-size:40px}
  .hero-quick{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:1fr}
  .adv-card:nth-child(2),.adv-card:nth-child(3),.adv-card:nth-child(4){transform:none}
  .work-overview{grid-template-columns:repeat(2,1fr)}
  .batch-home,.cert-home{grid-template-columns:1fr}
  .home-news{grid-template-columns:repeat(2,1fr)}
  .home-step,.home-step.alt{padding-left:40px;padding-right:0}
}
@media (max-width:640px){
  .home-hero h1{font-size:30px}
  .home-hero .hero-desc{font-size:15px}
  .hero-quick{grid-template-columns:1fr 1fr;gap:10px}
  .hero-quick a{padding:12px 12px}
  .hero-quick b{font-size:13px}
  .work-overview{grid-template-columns:1fr}
  .home-news{grid-template-columns:1fr}
  .home-step{padding-left:34px}
}