/* 促苗企服官网 —— 参考莞促财税模板风格 */
:root{
  --orange:#ff7a1a; --orange-deep:#f06d00; --orange-soft:#fff1e6;
  --blue:#2463eb; --navy:#1a2b4a; --ink:#253044; --muted:#6b7688;
  --bg:#f5f7fa; --line:#e6eaf1; --card:#fff;
  --grad-hero:linear-gradient(108deg,#3b1d7a 0%,#6d28d9 42%,#0d9488 100%);
  --grad-dark:linear-gradient(100deg,#141433 0%,#1e1b4b 55%,#312e81 100%);
  --shadow:0 10px 30px rgba(23,43,77,.08);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font:15px/1.75 "Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- 顶栏 ---------- */
.site-head{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 1px 0 var(--line)}
.head-in{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px}
.brand-badge{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,#ff9a3d,var(--orange));display:flex;align-items:center;justify-content:center;flex:none}
.brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-txt b{font-size:20px;color:var(--navy);letter-spacing:1px}
.brand-txt i{font-style:normal;font-size:11px;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{display:inline-flex;align-items:center;gap:4px;padding:8px 14px;border-radius:8px;font-size:15px;color:var(--ink);font-weight:500}
.nav-link:hover{color:var(--orange)}
.nav-link.active{color:var(--orange);font-weight:700}
.nav-drop{position:relative}
.nav-drop>a svg{margin-top:2px}
.drop-panel{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(6px);background:#fff;border-radius:12px;box-shadow:0 16px 40px rgba(23,43,77,.16);padding:10px;display:grid;grid-template-columns:1fr 1fr;gap:2px;min-width:380px;opacity:0;visibility:hidden;transition:.18s}
.nav-drop:hover .drop-panel,.nav-drop:focus-within .drop-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop-panel a{display:flex;justify-content:space-between;align-items:center;padding:9px 14px;border-radius:8px;font-size:14px;white-space:nowrap}
.drop-panel a:hover{background:var(--orange-soft);color:var(--orange-deep)}
.drop-panel a em{font-style:normal;font-size:12px;color:var(--muted)}
.head-tel{display:flex;align-items:center;gap:9px;color:var(--orange);flex:none}
.head-tel svg{flex:none}
.head-tel i{display:block;font-style:normal;font-size:11px;color:var(--muted);line-height:1.2}
.head-tel b{font-size:17px;line-height:1.2}
.menu-btn{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.menu-btn span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0;border-radius:2px}

/* ---------- Hero ---------- */
.hero{background:var(--grad-hero);color:#fff;padding:64px 0 72px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.06)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero-kicker{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:5px 14px;border-radius:999px;font-size:13px;margin-bottom:18px}
.hero h1{font-size:42px;line-height:1.3;font-weight:700}
.hero h1 span{color:#ffb066}
.hero p{margin:16px 0 26px;color:rgba(255,255,255,.88);font-size:16px;max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-chips{display:flex;gap:26px;margin-top:30px;flex-wrap:wrap}
.hero-chips li{font-size:13px;color:rgba(255,255,255,.8)}
.hero-chips b{display:block;font-size:24px;color:#ffb066;font-weight:700}
.banner-box{border-radius:16px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.35);aspect-ratio:750/388;position:relative;background:#111}
.banner-box img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s}
.banner-box img.on{opacity:1}
.banner-dots{display:flex;gap:8px;justify-content:center;margin-top:14px}
.banner-dots button{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.4);cursor:pointer;padding:0}
.banner-dots button.on{background:var(--orange);width:22px;border-radius:5px}

/* ---------- 优势条 ---------- */
.adv{background:#fff;padding:34px 0;border-bottom:1px solid var(--line)}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.adv-item{text-align:center;padding:18px 12px;border-radius:var(--radius);background:var(--bg);transition:.2s}
.adv-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.adv-item b{display:block;font-size:17px;color:var(--navy)}
.adv-item span{font-size:13px;color:var(--muted)}

/* ---------- 区块通用 ---------- */
.sec{padding:70px 0}
.sec-gray{background:var(--bg)}
.sec-head{text-align:center;max-width:640px;margin:0 auto 42px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-weight:700;letter-spacing:2px;font-size:13px}
.sec-kicker i{width:18px;height:2px;background:var(--orange);border-radius:2px}
.sec-kicker.light{color:#ffb066}
.sec-kicker.light i{background:#ffb066}
.sec-head h2,.about-txt h2,.contact-info h2{font-size:32px;color:var(--navy);margin:6px 0 10px}
.sec-head p{color:var(--muted)}

/* ---------- 8大板块 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center;transition:.2s;position:relative}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--orange)}
.cat-ico{width:64px;height:64px;margin:0 auto 14px;border-radius:14px;overflow:hidden;background:var(--orange-soft);display:flex;align-items:center;justify-content:center}
.cat-ico img{width:100%;height:100%;object-fit:cover}
.cat-ico.big{width:84px;height:84px;margin:0}
.cat-card h3{font-size:18px;color:var(--navy)}
.cat-card p{color:var(--muted);font-size:13px;margin:4px 0 10px}
.cat-go{font-size:13px;color:var(--orange);font-weight:600}

/* ---------- 产品卡 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;transition:.2s}
.prod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--orange)}
.hot-badge{position:absolute;top:12px;right:12px;background:var(--orange);color:#fff;font-size:11px;padding:2px 9px;border-radius:999px}
.prod-ico{width:100%;aspect-ratio:1;border-radius:10px;overflow:hidden;background:var(--orange-soft);margin-bottom:14px}
.prod-ico img{width:100%;height:100%;object-fit:cover}
.prod-ico .ph{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:34px;color:var(--orange);font-weight:700}
.prod-card h3{font-size:16px;color:var(--navy);line-height:1.45}
.prod-card p{font-size:13px;color:var(--muted);margin-top:4px;flex:1}
.prod-foot{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.price{color:var(--orange);font-size:18px;font-weight:700}
.price.big{font-size:30px}
.more{font-size:13px;color:var(--muted)}
.prod-card:hover .more{color:var(--orange)}

/* ---------- 数据带 ---------- */
.stats{background:var(--grad-dark);color:#fff;padding:64px 0;text-align:center}
.stats h2{font-size:30px;margin-bottom:36px}
.stats h2 span{color:#ffb066}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stats-grid b{display:block;font-size:34px;color:#ffb066;font-weight:700}
.stats-grid span{color:rgba(255,255,255,.75);font-size:14px}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.about-sub{color:var(--orange);font-weight:600;margin-bottom:10px}
.about-txt p{color:#4a5568;margin-bottom:12px}
.about-points{margin-top:10px}
.about-points li{padding-left:24px;position:relative;color:var(--navy);font-weight:500;margin-bottom:6px}
.about-points li::before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:700}
.about-pic img{border-radius:16px;box-shadow:var(--shadow)}

/* ---------- 流程 ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative}
.step b{font-size:30px;color:var(--orange-soft);-webkit-text-stroke:1px var(--orange);font-weight:800}
.step h4{font-size:17px;color:var(--navy);margin:8px 0 6px}
.step p{font-size:13px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:18px 22px;font-weight:600;color:var(--navy);list-style:none;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--orange);font-size:20px;font-weight:400}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 22px 18px;color:var(--muted)}

/* ---------- 联系 ---------- */
.contact{background:var(--grad-dark);color:#fff;padding:76px 0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-info h2{color:#fff}
.contact-info>p{color:rgba(255,255,255,.75);margin-bottom:24px}
.contact-info ul li{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.contact-info b{color:#ffb066;min-width:76px}
.contact-form{background:#fff;border-radius:16px;padding:30px;color:var(--ink)}
.contact-form h3{color:var(--navy);margin-bottom:16px;font-size:20px}
.contact-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:12px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;margin-top:5px;border:1px solid var(--line);border-radius:9px;padding:10px 12px;font:inherit;font-size:14px;color:var(--ink)}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:2px solid var(--orange-soft);border-color:var(--orange)}
.form-tip{color:#0a8f4c;font-size:13px;margin-top:10px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.2s}
.btn-solid{background:var(--orange);color:#fff}
.btn-solid:hover{background:var(--orange-deep)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.contact-form .btn-ghost{display:none}
.block{width:100%;margin-bottom:10px}
.detail-side .btn-ghost{border-color:var(--orange);color:var(--orange)}
.detail-side .btn-ghost:hover{background:var(--orange-soft)}

/* ---------- 页头（分类/详情） ---------- */
.page-head{background:linear-gradient(100deg,#f6f8fc,#eef2f9);border-bottom:1px solid var(--line);padding:26px 0}
.page-head.slim{padding:16px 0}
.crumb{font-size:13px;color:var(--muted);margin-bottom:16px}
.crumb a:hover{color:var(--orange)}
.crumb span{color:var(--navy)}
.page-head-in{display:flex;align-items:center;gap:18px}
.page-head-in h1{font-size:28px;color:var(--navy)}
.page-head-in p{color:var(--muted);font-size:14px}
.page-count{margin-left:auto;background:var(--orange-soft);color:var(--orange-deep);font-size:13px;padding:6px 14px;border-radius:999px;font-weight:600;white-space:nowrap}

/* ---------- 详情页 ---------- */
.detail-sec{padding:44px 0 70px}
.detail-grid{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start}
.detail-main h1{font-size:26px;color:var(--navy)}
.detail-meta{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 22px}
.detail-meta span{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:4px 13px;font-size:13px;color:var(--muted)}
.detail-imgs img{border-radius:10px;border:1px solid var(--line);margin-bottom:14px;width:100%;max-width:760px}
.detail-empty{background:var(--bg);border:1px dashed var(--line);border-radius:12px;padding:44px 30px;text-align:center;max-width:760px}
.detail-empty b{color:var(--navy)}
.detail-empty p{color:var(--muted);font-size:14px;margin-top:8px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:18px;box-shadow:var(--shadow)}
.side-card.plain{box-shadow:none;background:var(--bg)}
.side-label{font-size:13px;color:var(--muted)}
.side-card>p{font-size:13px;color:var(--muted);margin:8px 0 16px}
.side-card h4{color:var(--navy);margin-bottom:10px}
.side-card ul li{padding:6px 0;font-size:14px;color:#4a5568}

/* ---------- 页脚 ---------- */
.site-foot{background:#101a30;color:#c6cfdd;padding:56px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.foot-logo .brand-txt b{color:#fff}
.foot-brand p{font-size:13px;color:#8b97ab;margin-top:12px}
.site-foot h4{color:#fff;font-size:16px;margin-bottom:16px}
.site-foot ul li{margin-bottom:10px;font-size:14px}
.site-foot ul a:hover{color:var(--orange)}
.foot-contact li{color:#8b97ab}
.foot-bar{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding:18px 20px;font-size:12px;color:#66748c}

/* ---------- 浮动客服 / 返回顶部 ---------- */
.float-kefu{position:fixed;right:22px;bottom:96px;z-index:90;width:56px;height:56px;border-radius:14px;background:var(--orange);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(255,122,26,.4)}
.float-kefu i{font-style:normal;font-size:11px;margin-top:1px}
.back-top{position:fixed;right:22px;bottom:32px;z-index:90;width:56px;height:56px;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--navy);font-size:22px;cursor:pointer;opacity:0;visibility:hidden;transition:.2s;box-shadow:var(--shadow)}
.back-top.show{opacity:1;visibility:visible}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
  .cat-grid,.prod-grid,.adv-grid,.stats-grid,.steps-grid{grid-template-columns:repeat(2,1fr)}
  .detail-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:32px}
  .main-nav{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 20px;box-shadow:0 20px 30px rgba(0,0,0,.12);display:none}
  .main-nav.open{display:flex}
  .menu-btn{display:block}
  .head-tel{display:none}
  .drop-panel{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;grid-template-columns:1fr;min-width:0;padding:0 0 0 14px;display:none}
  .nav-drop:hover .drop-panel{display:none}
  .nav-drop.open .drop-panel{display:grid}
}
@media (max-width:560px){
  .cat-grid,.prod-grid,.adv-grid,.stats-grid,.steps-grid,.foot-grid{grid-template-columns:1fr}
  .hero{padding:44px 0}
  .hero h1{font-size:26px}
  .sec{padding:50px 0}
}