:root {
  --primary: #0e7490;
  --primary-dark: #155e63;
  --primary-light: #cffafe;
  --accent: #f97316;
  --accent-dark: #ea580c;
  --ink: #0f172a;
  --muted: #64748b;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  --radius: 14px;
  --maxw: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: 2px; font-size: 13px; }
h2 { font-size: clamp(24px, 3vw, 36px); margin: 8px 0 6px; color: var(--ink); }
h3 { font-size: 20px; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.section-head p { color: var(--muted); }

.btn {
  display: inline-block; padding: 12px 28px; border-radius: 999px;
  font-weight: 600; cursor: pointer; border: none; font-size: 15px;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 16px rgba(249,115,22,.35); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.center { text-align: center; margin-top: 36px; }

/* 顶部条 */
.topbar { background: #0f172a; color: #cbd5e1; font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; padding: 8px 20px; }
.topbar a { color: #38bdf8; }

/* 导航 */
.header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { font-size: 22px; font-weight: 800; color: var(--ink); }
.logo span { color: var(--primary); }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { font-weight: 500; color: #334155; position: relative; padding: 4px 0; }
.nav-links a:not(.nav-admin):hover { color: var(--primary); }
.nav-links a:not(.nav-admin)::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--primary); transition: width .25s;
}
.nav-links a:not(.nav-admin):hover::after { width: 100%; }
.nav-admin { background: var(--primary); color: #fff !important; padding: 7px 16px; border-radius: 999px; font-size: 14px; }
.nav-admin:hover { background: var(--primary-dark); }

/* 中 / EN 语言切换 */
.lang-switch { display: inline-flex; align-items: center; gap: 2px; margin-left: 4px; padding: 4px 6px; border: 1px solid var(--border); border-radius: 999px; background: #fff; font-size: 13px; line-height: 1; }
.lang-switch a { padding: 3px 9px; border-radius: 999px; color: var(--muted); font-weight: 700; }
.lang-switch a.active { background: var(--primary); color: #fff; }
.lang-switch a:hover { color: var(--primary); }
.lang-switch a.active:hover { color: #fff; }
.lang-switch .lang-sep { color: var(--border); user-select: none; }

.hamburger { display: none; background: none; border: none; font-size: 26px; cursor: pointer; color: var(--ink); }

/* Hero 幻灯片 */
.hero { position: relative; height: 560px; overflow: hidden; background: #0f172a; }
.slides { height: 100%; position: relative; }
.slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .8s ease;
  background-size: cover; background-position: center; display: flex; align-items: center;
}
.slide.active { opacity: 1; }
.slide::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,15,30,.78), rgba(8,15,30,.25)); }
.slide-content { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; width: 100%; color: #fff; }
.slide-content h1 { font-size: clamp(30px, 5vw, 56px); margin-bottom: 14px; line-height: 1.15; }
.slide-content p { font-size: clamp(15px, 2vw, 20px); color: #e2e8f0; margin-bottom: 24px; max-width: 560px; }
.slide-arrows { }
.slide-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  background: rgba(255,255,255,.2); border: none; color: #fff; font-size: 22px;
  width: 46px; height: 46px; border-radius: 50%; cursor: pointer; transition: background .2s;
}
.slide-arrow:hover { background: rgba(255,255,255,.4); }
.slide-arrow.prev { left: 20px; }
.slide-arrow.next { right: 20px; }
.slide-dots { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 5; display: flex; gap: 10px; }
.slide-dots .dot { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,.5); cursor: pointer; transition: background .2s, width .2s; }
.slide-dots .dot.active { background: var(--accent); width: 26px; border-radius: 6px; }

/* 数据指标 */
.stats { background: var(--primary); color: #fff; padding: 36px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat .num { font-size: clamp(26px, 4vw, 40px); font-weight: 800; }
.stat .label { color: #cffafe; font-size: 14px; }

/* 优势 */
.advantages { padding: 80px 0; background: var(--bg); }
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.adv-card { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 22px; transition: transform .25s, box-shadow .25s; }
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.adv-card .icon { font-size: 38px; }
.adv-card h3 { margin: 12px 0 8px; font-size: 18px; }
.adv-card p { color: var(--muted); font-size: 14px; }

/* 服务 */
.services { padding: 80px 0; background: var(--bg-soft); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  display: flex; flex-direction: column; text-decoration: none; color: inherit;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .25s, box-shadow .25s, border-color .25s; position: relative; overflow: hidden;
}
.service-card::before { content: ""; position: absolute; left: 0; top: 0; width: 4px; height: 0; background: var(--accent); transition: height .3s; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { height: 100%; }
.service-card .service-img { height: 180px; overflow: hidden; border-radius: 10px; margin-bottom: 18px; background: #e2e8f0; }
.service-card .service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.service-card:hover .service-img img { transform: scale(1.06); }
.service-card .icon { font-size: 40px; }
.service-card h3 { margin: 14px 0 8px; }
.service-card p { color: var(--muted); font-size: 14px; margin-bottom: 10px; }
.service-card .detail { font-size: 13px; color: #94a3b8; border-top: 1px dashed var(--border); padding-top: 10px; }

/* 案例 */
.cases { padding: 80px 0; background: var(--bg); }
.case-filter { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 34px; }
.case-filter button {
  border: 1px solid var(--border); background: #fff; color: var(--muted);
  padding: 8px 20px; border-radius: 999px; cursor: pointer; font-size: 14px; transition: all .2s;
}
.case-filter button.active, .case-filter button:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: transform .25s, box-shadow .25s; cursor: pointer; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-thumb { height: 210px; overflow: hidden; position: relative; background: #e2e8f0; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.case-card:hover .case-thumb img { transform: scale(1.06); }
.case-cat { position: absolute; top: 12px; left: 12px; background: var(--accent); color: #fff; font-size: 12px; padding: 4px 10px; border-radius: 999px; }
.case-body { padding: 18px 20px; }
.case-body h3 { font-size: 17px; margin-bottom: 6px; }
.case-body .meta { color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; }
.case-body p { color: var(--muted); font-size: 13px; margin-top: 8px; }

/* 企业资质 */
.qualifications { padding: 80px 0; background: var(--bg); }
.qual-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.qual-card { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: transform .25s, box-shadow .25s; }
.qual-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.qual-img { height: 200px; overflow: hidden; background: #e2e8f0; }
.qual-img img { width: 100%; height: 100%; object-fit: cover; }
.qual-info { padding: 18px 20px; }
.qual-info h3 { font-size: 17px; margin-bottom: 6px; }
.qual-info .issuer { color: var(--muted); font-size: 13px; }
.qual-info .qdate { display: inline-block; margin-top: 8px; font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 3px 10px; border-radius: 999px; }

/* 服务流程 */
.process { padding: 80px 0; background: var(--bg-soft); }
.process-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.step-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 18px; text-align: center; position: relative; }
.step-card .step { width: 46px; height: 46px; border-radius: 50%; background: var(--primary-light); color: var(--primary); font-weight: 800; font-size: 20px; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; }
.step-card h3 { font-size: 16px; margin-bottom: 6px; }
.step-card p { color: var(--muted); font-size: 13px; }

/* 客户评价 */
.testimonials { padding: 80px 0; background: var(--bg); }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-card { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; position: relative; }
.testi-card .quote { font-size: 44px; color: var(--primary-light); line-height: 1; }
.testi-card p { color: #475569; font-size: 15px; margin: 8px 0 18px; }
.testi-card .who { display: flex; align-items: center; gap: 12px; }
.testi-card .avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.testi-card .who .name { font-weight: 700; }
.testi-card .who .role { color: var(--muted); font-size: 13px; }

/* 关于 */
.about { padding: 80px 0; background: var(--bg-soft); }
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.about-text h2 { margin: 8px 0 14px; }
.about-text p { color: var(--muted); margin-bottom: 16px; }
.about-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.about-list li { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: #334155; }
.about-list li::before { content: "✓"; color: var(--accent); font-weight: 800; }
.about-card { background: var(--primary); color: #fff; border-radius: 20px; padding: 36px 30px; text-align: center; box-shadow: var(--shadow-lg); }
.about-card h3 { margin-bottom: 10px; font-size: 22px; }
.about-card p { color: #cffafe; margin-bottom: 20px; }

/* 联系 */
.contact { padding: 80px 0; background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.info-list { list-style: none; margin-top: 18px; }
.info-list li { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.info-list .ic { font-size: 24px; }
.info-list .t { font-weight: 700; }
.info-list .v { color: var(--muted); }
.contact-form { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; gap: 14px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 13px 16px; border: 1px solid var(--border); border-radius: 10px;
  font-size: 15px; font-family: inherit; background: #fff; resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); }
.form-tip { color: var(--muted); font-size: 13px; }

/* 页脚 */
.footer { background: #0f172a; color: #cbd5e1; padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 30px; }
.footer-logo { color: #fff; font-size: 22px; margin-bottom: 12px; }
.footer-logo span { color: #38bdf8; }
.footer-desc { color: #94a3b8; font-size: 14px; max-width: 280px; }
.footer h4 { color: #fff; margin-bottom: 16px; font-size: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a, .footer-links li { color: #94a3b8; font-size: 14px; }
.footer-links a:hover { color: #38bdf8; }
.footer-bottom { border-top: 1px solid #1e293b; margin-top: 40px; padding: 18px 0; text-align: center; color: #64748b; font-size: 13px; display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }

/* 返回顶部 */
.back-top { position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; border-radius: 50%; background: var(--primary); color: #fff; display: none; align-items: center; justify-content: center; font-size: 20px; box-shadow: var(--shadow); z-index: 60; }
.back-top.show { display: flex; }

/* 灯箱 */
.lightbox { position: fixed; inset: 0; background: rgba(8,15,30,.92); display: none; align-items: center; justify-content: center; z-index: 100; padding: 30px; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 92%; max-height: 86%; border-radius: 10px; }
.lightbox .close { position: absolute; top: 24px; right: 30px; color: #fff; font-size: 34px; cursor: pointer; }

/* 面包屑 */
.breadcrumb { padding: 16px 20px; font-size: 13px; color: var(--muted); }
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { margin: 0 8px; color: var(--border); }

/* 页面页头（列表/单页通用） */
.page-hero { background: linear-gradient(135deg, #0e7490, #155e63); color: #fff; padding: 64px 0 48px; }
.page-hero h1 { color: #fff; margin-bottom: 12px; }
.page-hero p { color: #cffafe; max-width: 720px; font-size: 16px; }

/* 详情页头图 */
.detail-hero { padding: 90px 0; background-size: cover; background-position: center; color: #fff; }
.detail-hero .container { position: relative; z-index: 2; }
.detail-hero h1 { color: #fff; font-size: clamp(28px, 4vw, 44px); margin-bottom: 12px; }
.detail-hero p { color: #e2e8f0; font-size: 17px; margin-bottom: 22px; }

/* 详情正文 */
.detail-body { padding: 64px 0; background: var(--bg); }
.detail-grid { display: grid; grid-template-columns: 1.7fr 1fr; gap: 44px; align-items: start; }
.detail-main h2 { margin: 26px 0 12px; }
.detail-main p { color: #475569; margin-bottom: 14px; }
.detail-img { width: 100%; border-radius: var(--radius); margin-bottom: 18px; box-shadow: var(--shadow); }
.case-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 22px; }
.case-gallery .detail-img { margin-bottom: 0; }
.case-meta { list-style: none; margin: 14px 0; border-top: 1px dashed var(--border); padding-top: 16px; }
.case-meta li { margin-bottom: 8px; color: #475569; font-size: 15px; }
.case-meta strong { color: var(--ink); }
.img-credit { margin-top: 14px; padding: 10px 14px; background: var(--bg-soft); border-left: 3px solid var(--primary); border-radius: 6px; font-size: 13px; color: #64748b; line-height: 1.6; }
.img-credit a { color: var(--primary); }
.detail-side { position: sticky; top: 86px; display: flex; flex-direction: column; gap: 18px; }
.side-card { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.side-card h3 { margin-bottom: 10px; font-size: 18px; }
.side-card p { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.side-card .btn { width: 100%; text-align: center; }
.side-phone { margin-top: 14px; font-size: 14px; color: var(--ink); font-weight: 600; }
.side-links { list-style: none; }
.side-links li { padding: 9px 0; border-bottom: 1px solid var(--border); }
.side-links li:last-child { border-bottom: none; }
.side-links a { color: #334155; font-size: 14px; }
.side-links a:hover { color: var(--primary); }

/* 导航下拉（二级目录） */
.nav-dropdown { position: relative; }
.nav-dropdown > .has-sub { display: inline-flex; align-items: center; gap: 4px; cursor: pointer; }
.nav-dropdown .caret { font-size: 10px; opacity: .7; }
.dropdown-menu {
  position: absolute; top: 100%; left: 0; min-width: 210px;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow); padding: 8px 0; display: none; z-index: 60;
}
@media (min-width: 721px) {
  .nav-dropdown:hover .dropdown-menu { display: block; }
}
.dropdown-menu a { display: block; padding: 10px 18px; color: #334155; font-size: 14px; font-weight: 500; white-space: nowrap; }
.dropdown-menu a:hover { background: var(--bg-soft); color: var(--primary); }

/* 服务区域 */
.service-areas { padding: 80px 0; background: var(--bg-soft); }
.area-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.area-card {
  display: block; text-decoration: none; color: inherit;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; transition: transform .25s, box-shadow .25s, border-color .25s; position: relative; overflow: hidden;
}
.area-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.area-pin { font-size: 30px; }
.area-name { font-size: 20px; font-weight: 700; margin: 8px 0 6px; color: var(--ink); }
.area-desc { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.area-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.area-chip { font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 4px 10px; border-radius: 999px; }
.area-more { display: inline-block; color: var(--accent); font-weight: 600; font-size: 14px; text-decoration: none; }
.area-more:hover { text-decoration: underline; }
.area-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.area-book { padding: 8px 18px; font-size: 14px; white-space: nowrap; }
.area-list { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 20px; margin-top: 6px; }
.area-list li { display: flex; align-items: center; gap: 8px; color: #334155; font-size: 15px; }
.area-dot { color: var(--accent); font-size: 10px; }

/* ===== 博客 ===== */
.blog { padding: 80px 0; background: var(--bg); }
.blog-layout { display: grid; grid-template-columns: 1.7fr 1fr; gap: 44px; align-items: start; }
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.blog-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: transform .25s, box-shadow .25s;
}
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.blog-thumb { height: 200px; overflow: hidden; position: relative; background: #e2e8f0; }
.blog-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.blog-card:hover .blog-thumb img { transform: scale(1.06); }
.blog-cat { position: absolute; top: 12px; left: 12px; background: var(--primary); color: #fff; font-size: 12px; padding: 4px 10px; border-radius: 999px; }
.blog-body { padding: 20px 22px; display: flex; flex-direction: column; flex: 1; }
.blog-body h3 { font-size: 18px; margin-bottom: 8px; line-height: 1.4; }
.blog-body h3 a:hover { color: var(--primary); }
.blog-meta { color: var(--muted); font-size: 13px; display: flex; gap: 14px; margin-bottom: 10px; }
.blog-excerpt { color: var(--muted); font-size: 14px; margin-bottom: 14px; flex: 1; }
.blog-readmore { color: var(--accent); font-weight: 600; font-size: 14px; }
.blog-empty { color: var(--muted); text-align: center; padding: 60px 0; }

/* 博客侧栏 */
.blog-side { position: sticky; top: 86px; display: flex; flex-direction: column; gap: 18px; }
.blog-side .side-card ul { list-style: none; }
.blog-side .side-card li { padding: 10px 0; border-bottom: 1px solid var(--border); }
.blog-side .side-card li:last-child { border-bottom: none; }
.blog-side .side-card li a { color: #334155; font-size: 14px; display: block; }
.blog-side .side-card li a:hover { color: var(--primary); }
.blog-side .side-card li span { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.blog-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.blog-tags a { font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 5px 12px; border-radius: 999px; }

/* 博客详情正文 */
.article { max-width: 820px; }
.article .detail-img { max-height: 460px; object-fit: cover; }
.article-meta { color: var(--muted); font-size: 14px; margin-bottom: 20px; display: flex; gap: 16px; flex-wrap: wrap; }
.article-meta .tag { color: var(--primary); background: var(--primary-light); padding: 2px 10px; border-radius: 999px; font-size: 12px; }
.article-content h2 { margin: 30px 0 12px; font-size: 24px; }
.article-content h3 { margin: 22px 0 10px; font-size: 19px; }
.article-content p { color: #475569; margin-bottom: 16px; font-size: 16px; line-height: 1.9; }
.article-content ul, .article-content ol { margin: 0 0 16px 22px; color: #475569; }
.article-content li { margin-bottom: 8px; }
.article-content img { border-radius: var(--radius); margin: 18px 0; box-shadow: var(--shadow); }
.article-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 22px 0; }
.article-gallery img { border-radius: 10px; height: 240px; width: 100%; object-fit: cover; box-shadow: var(--shadow); margin: 0; }

/* 手机端拨号按钮 */
.call-fab {
  display: none; position: fixed; right: 18px; bottom: 84px; z-index: 70;
  align-items: center; gap: 8px; padding: 12px 18px; border-radius: 999px;
  background: var(--accent); color: #fff; font-weight: 700; box-shadow: 0 8px 20px rgba(249,115,22,.45);
}
.call-fab .call-ico { font-size: 18px; }
.call-fab:hover { background: var(--accent-dark); color: #fff; }

/* ===== 中标公示 ===== */
.bid-filter { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 34px; }
.bid-filter button { padding: 8px 18px; border: 1px solid var(--border); background: #fff; color: var(--muted); border-radius: 999px; cursor: pointer; font-size: 14px; transition: .2s; }
.bid-filter button.active, .bid-filter button:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.bid-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.bid-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 22px 20px; transition: transform .25s, box-shadow .25s; cursor: pointer; display: flex; flex-direction: column; gap: 12px; border-left: 4px solid var(--primary); }
.bid-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bid-top { display: flex; align-items: center; gap: 10px; }
.bid-badge { display: inline-block; background: #16a34a; color: #fff; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 4px; letter-spacing: 1px; }
.bid-cat { font-size: 13px; color: var(--primary); background: var(--bg-soft); padding: 3px 10px; border-radius: 4px; }
.bid-card h3 { font-size: 17px; line-height: 1.5; color: var(--ink); }
.bid-meta { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.bid-meta span { display: block; }
.bid-card p { font-size: 13px; color: var(--muted); line-height: 1.7; }
.bid-hero { background: linear-gradient(135deg, #15803d, #0e7490) !important; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .service-grid, .case-grid, .testi-grid, .qual-grid, .area-grid, .area-grid-wide, .bid-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-side { position: static; }
  .blog-layout { grid-template-columns: 1fr; }
  .blog-side { position: static; }
}
@media (max-width: 720px) {
  .topbar-right { display: none; }
  .hamburger { display: block; }
  .call-fab { display: inline-flex; }
  .nav-links {
    position: fixed; top: 66px; left: 0; right: 0; background: #fff; flex-direction: column;
    gap: 0; padding: 10px 0; border-bottom: 1px solid var(--border); transform: translateY(-120%);
    transition: transform .3s; box-shadow: var(--shadow);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 24px; width: 100%; border-bottom: 1px solid var(--bg-soft); }
  .nav-dropdown { width: 100%; }
  .nav-dropdown > .has-sub { justify-content: space-between; width: 100%; }
  .dropdown-menu { position: static; box-shadow: none; border: none; border-radius: 0; display: none; padding: 0 0 4px 12px; background: var(--bg-soft); min-width: 0; }
  .nav-dropdown.open .dropdown-menu { display: block; }
  .nav-admin { margin: 10px 24px; text-align: center; }
  .hero { height: 440px; }
  .slide-content h1 { font-size: 30px; }
  .service-grid, .case-grid, .testi-grid, .adv-grid, .process-steps, .about-list, .qual-grid, .area-grid, .area-grid-wide, .blog-grid, .article-gallery, .bid-grid { grid-template-columns: 1fr; }
  .case-gallery { grid-template-columns: 1fr; }
  .area-list { grid-template-columns: 1fr; }
  .detail-hero { padding: 64px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .section-head { margin-bottom: 28px; }
}