/* ============================================================
   湖北欣程自动化设备有限公司 - 企业官网
   设计理念：简约大气 · 蓝色科技基调
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root {
  --blue-950: #061C38;
  --blue-900: #0A2A52;
  --blue-800: #0D3B7A;
  --blue-700: #10489C;
  --blue-600: #1565C0;
  --blue-500: #1E7AD4;
  --blue-400: #3F92E4;
  --blue-300: #8CBFEE;
  --blue-200: #C4DFF7;
  --blue-100: #E2EEFB;
  --blue-50:  #F2F7FC;

  --ink:   #14263F;
  --ink-2: #42536E;
  --ink-3: #7586A1;
  --line:  #E2E9F3;

  --grad-hero: linear-gradient(135deg, #08244A 0%, #0E4390 52%, #1666BF 100%);
  --grad-btn:  linear-gradient(135deg, #1E7AD4 0%, #10489C 100%);
  --grad-cta:  linear-gradient(120deg, #0D3B7A 0%, #1565C0 100%);

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 12px rgba(10, 42, 82, .07);
  --shadow-md: 0 10px 32px rgba(10, 42, 82, .12);
  --shadow-lg: 0 22px 60px rgba(10, 42, 82, .18);

  --w: 1200px;
  --nav-h: 78px;
  --ease: cubic-bezier(.22, .75, .32, 1);
}

/* ---------- 2. 重置与基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  padding-top: var(--nav-h);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
::selection { background: var(--blue-200); color: var(--blue-900); }
.container { width: min(var(--w), 100% - 48px); margin-inline: auto; }

/* ---------- 3. 通用组件 ---------- */
.section { padding: 96px 0; }
.section-soft { background: var(--blue-50); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: 3px;
  color: var(--blue-600); margin-bottom: 14px;
}
.eyebrow::before {
  content: ""; width: 26px; height: 2.5px;
  background: var(--blue-500); border-radius: 2px;
}
.eyebrow.center::after {
  content: ""; width: 26px; height: 2.5px;
  background: var(--blue-500); border-radius: 2px;
}

.section-head { max-width: 660px; margin-bottom: 56px; }
.section-head h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  line-height: 1.35; letter-spacing: .5px; color: var(--ink);
}
.section-head h2 .hl { color: var(--blue-600); }
.section-head > p { margin-top: 14px; color: var(--ink-2); font-size: 16.5px; }
.section-head.center { margin-inline: auto; text-align: center; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 32px; border-radius: 999px;
  font-size: 15.5px; font-weight: 600; letter-spacing: .5px;
  transition: .35s var(--ease); cursor: pointer; border: none;
}
.btn .arr { transition: transform .3s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }
.btn-primary {
  background: var(--grad-btn); color: #fff;
  box-shadow: 0 10px 26px rgba(21, 101, 192, .35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(21, 101, 192, .42);
}
.btn-ghost {
  background: rgba(255,255,255,.08); color: #fff;
  border: 1.5px solid rgba(255,255,255,.55);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255,255,255,.16); border-color: #fff; transform: translateY(-3px); }
.btn-outline { background: transparent; color: var(--blue-600); border: 1.5px solid var(--blue-300); }
.btn-outline:hover { background: var(--blue-50); border-color: var(--blue-500); transform: translateY(-3px); }
.btn-light { background: #fff; color: var(--blue-700); box-shadow: 0 10px 26px rgba(6, 28, 56, .3); }
.btn-light:hover { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(6, 28, 56, .38); }

/* 勾选列表 */
.check-list { margin: 26px 0 34px; display: grid; gap: 14px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-2); font-size: 15.5px; }
.check-list .ck {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--blue-100); color: var(--blue-600);
  display: grid; place-items: center; margin-top: 3px;
}

/* ---------- 4. 导航栏 ---------- */
.navbar {
  position: fixed; inset: 0 0 auto 0; height: var(--nav-h);
  background: rgba(255, 255, 255, .94); backdrop-filter: blur(14px);
  z-index: 100; transition: box-shadow .3s;
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(10, 42, 82, .09); }
.nav-wrap { display: flex; align-items: center; gap: 30px; height: 100%; }

.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-logo { width: 44px; height: 44px; flex: none; }
.brand-text { line-height: 1.25; }
.brand-text strong { display: block; font-size: 18px; color: var(--blue-900); letter-spacing: 1.5px; }
.brand-text span { display: block; font-size: 11.5px; color: var(--ink-3); letter-spacing: 2px; }

.nav-links { display: flex; gap: 4px; }
.nav-links a {
  position: relative; padding: 8px 16px; font-size: 15.5px;
  color: var(--ink-2); font-weight: 500; border-radius: 8px; transition: .25s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: 0; width: 0; height: 2.5px;
  background: var(--blue-500); border-radius: 2px; transition: width .3s var(--ease);
}
.nav-links a:hover { color: var(--blue-700); }
.nav-links a:hover::after { width: calc(100% - 32px); }
.nav-links a.active { color: var(--blue-700); font-weight: 700; }
.nav-links a.active::after { width: calc(100% - 32px); }

.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue-50); border: 1px solid var(--blue-100);
  color: var(--blue-700); font-weight: 700;
  padding: 9px 18px; border-radius: 999px; font-size: 15px; transition: .3s;
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--grad-btn); color: #fff; border-color: transparent;
  box-shadow: 0 8px 20px rgba(21, 101, 192, .3);
}

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 10px 6px; }
.nav-toggle span { width: 22px; height: 2.5px; background: var(--blue-900); border-radius: 2px; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- 5. 首页 Hero ---------- */
.hero { position: relative; background: var(--grad-hero); color: #fff; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 146, 228, .35), transparent 65%);
  top: -200px; right: -140px; pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 122, 212, .28), transparent 65%);
  bottom: -180px; left: -120px; pointer-events: none;
}
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 28%, #000 72%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 28%, #000 72%, transparent);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px;
  align-items: center; min-height: min(760px, calc(100vh - var(--nav-h)));
  padding: 72px 0;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 999px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22);
  font-size: 14px; letter-spacing: 1.5px; margin-bottom: 26px;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%; background: #6FE3A5;
  box-shadow: 0 0 0 4px rgba(111, 227, 165, .25); animation: pulse 2s infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 9px rgba(111, 227, 165, 0); } }
.hero h1 {
  font-size: clamp(34px, 4.4vw, 54px); line-height: 1.3;
  font-weight: 800; letter-spacing: 1px;
}
.hero h1 .grad {
  background: linear-gradient(90deg, #9CCBFF, #E8F3FF);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead {
  margin: 24px 0 38px; font-size: 17px;
  color: rgba(255,255,255,.82); max-width: 520px; line-height: 1.9;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 30px; margin-top: 48px; flex-wrap: wrap; }
.hero-meta .item {
  display: flex; align-items: center; gap: 10px;
  font-size: 14.5px; color: rgba(255,255,255,.78);
}
.hero-meta .item svg { flex: none; color: #6FE3A5; }
.hero-art { position: relative; }
.hero-art .hero-svg { width: 100%; height: auto; }

@keyframes floaty { 50% { transform: translateY(-12px); } }
.hero-svg .float-1 { animation: floaty 5s ease-in-out infinite; }
.hero-svg .float-2 { animation: floaty 6s ease-in-out 1.2s infinite; }
.hero-svg .gear { animation: spin 26s linear infinite; transform-box: fill-box; transform-origin: center; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-svg text { font-family: inherit; }

/* ---------- 6. 统计区 ---------- */
.stats { position: relative; background: var(--blue-50); padding: 72px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 20px; text-align: center; box-shadow: var(--shadow-sm);
  transition: .35s var(--ease);
}
.stat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.stat-num {
  font-size: 42px; font-weight: 800; color: var(--blue-700);
  font-variant-numeric: tabular-nums; line-height: 1.1;
}
.stat-num em { font-style: normal; font-size: 22px; margin-left: 3px; color: var(--blue-500); }
.stat-label { margin-top: 8px; font-size: 14.5px; color: var(--ink-3); }

/* ---------- 7. 关于我们（首页） ---------- */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.about-visual { position: relative; }
.about-img-card {
  background: linear-gradient(160deg, #DDEBFA, #F2F7FC);
  border-radius: 22px; overflow: hidden; box-shadow: var(--shadow-md);
}
.about-visual .svg-pad { padding: 0; }
.float-tag {
  position: absolute; background: #fff; border-radius: 14px;
  box-shadow: var(--shadow-lg); padding: 14px 20px;
  display: flex; gap: 12px; align-items: center; z-index: 2;
  animation: floaty 5.5s ease-in-out infinite;
}
.float-tag .ft-icon {
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  background: var(--blue-100); color: var(--blue-600);
  display: grid; place-items: center;
}
.float-tag .num { font-size: 24px; font-weight: 800; color: var(--blue-700); line-height: 1.15; }
.float-tag .cap { font-size: 13px; color: var(--ink-3); }
.float-tag.ft-1 { top: -18px; right: -14px; }
.float-tag.ft-2 { bottom: -18px; left: -20px; animation-delay: 1.4s; }

/* ---------- 8. 核心业务卡片 ---------- */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 26px; position: relative; overflow: hidden;
  transition: .35s var(--ease);
}
.service-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 100%; width: 3.5px;
  background: var(--grad-btn); transform: scaleY(0); transform-origin: top;
  transition: transform .35s var(--ease);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { transform: scaleY(1); }
.service-icon {
  width: 58px; height: 58px; border-radius: 15px;
  background: var(--blue-100); color: var(--blue-700);
  display: grid; place-items: center; margin-bottom: 22px; transition: .35s var(--ease);
}
.service-card:hover .service-icon {
  background: var(--grad-btn); color: #fff;
  box-shadow: 0 10px 22px rgba(21, 101, 192, .32);
}
.service-card h3 { font-size: 18.5px; margin-bottom: 12px; }
.service-card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.85; }

/* ---------- 9. 产品卡片 ---------- */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: .35s var(--ease);
  display: flex; flex-direction: column; cursor: pointer;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--blue-200); }
.product-card.hide { display: none; }
.product-thumb {
  height: 176px;
  background: linear-gradient(150deg, #EAF3FC 0%, #F6FAFE 70%);
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.product-thumb::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 86% 12%, rgba(63, 146, 228, .18), transparent 55%);
}
.product-thumb .ring {
  position: absolute; border-radius: 50%; border: 1.5px dashed rgba(30, 122, 212, .25);
  width: 130px; height: 130px; right: -34px; top: -34px;
}
.product-thumb svg { position: relative; color: var(--blue-600); transition: .35s var(--ease); }
.product-card:hover .product-thumb svg { transform: scale(1.08) rotate(-2deg); color: var(--blue-500); }
.product-body { padding: 24px 26px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-body h3 { font-size: 18px; }
.product-body p { font-size: 14.5px; color: var(--ink-2); line-height: 1.85; flex: 1; }
.product-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--blue-600); font-weight: 700; font-size: 14.5px; transition: .25s;
}
.product-link:hover { gap: 13px; }
.product-cat-tag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1px;
  color: var(--blue-500); background: var(--blue-100);
  padding: 3px 12px; border-radius: 999px; align-self: flex-start;
}
.section-foot { text-align: center; margin-top: 48px; }

/* ---------- 10. 为什么选择我们 ---------- */
.why-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; }
.why-item { display: flex; gap: 22px; padding: 24px 0; border-bottom: 1px dashed var(--line); }
.why-item:last-child { border-bottom: none; }
.why-item .no {
  font-size: 30px; font-weight: 800; line-height: 1;
  color: transparent; -webkit-text-stroke: 1.5px var(--blue-400);
  font-variant-numeric: tabular-nums; flex: none;
}
.why-item h4 { font-size: 17.5px; margin-bottom: 6px; }
.why-item p { color: var(--ink-2); font-size: 14.8px; }
.why-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.why-card {
  background: linear-gradient(150deg, var(--blue-700), var(--blue-500));
  border-radius: 18px; padding: 30px 26px; color: #fff;
  position: relative; overflow: hidden;
}
.why-card::after {
  content: ""; position: absolute; width: 130px; height: 130px; border-radius: 50%;
  background: rgba(255,255,255,.09); right: -46px; bottom: -46px;
}
.why-card:nth-child(even) { transform: translateY(24px); }
.why-card .num { font-size: 36px; font-weight: 800; font-variant-numeric: tabular-nums; }
.why-card .num em { font-style: normal; font-size: 20px; }
.why-card .cap { opacity: .88; font-size: 14px; margin-top: 6px; }

/* ---------- 11. CTA 横幅 ---------- */
.cta-band { background: var(--grad-cta); position: relative; overflow: hidden; color: #fff; }
.cta-band::before {
  content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.12); top: -160px; left: -100px;
}
.cta-band::after {
  content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%;
  border: 1.5px dashed rgba(255,255,255,.16); bottom: -110px; right: -60px;
}
.cta-inner {
  position: relative; z-index: 1;
  display: flex; justify-content: space-between; align-items: center;
  gap: 32px; padding: 76px 0; flex-wrap: wrap;
}
.cta-inner h2 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 800; letter-spacing: 1px; }
.cta-inner p { margin-top: 12px; color: rgba(255,255,255,.78); font-size: 16px; }
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- 12. 页脚 ---------- */
.footer { background: var(--blue-950); color: rgba(255,255,255,.72); }
.footer-grid {
  display: grid; grid-template-columns: 1.45fr 1fr 1fr 1.25fr;
  gap: 44px; padding: 76px 0 58px;
}
.brand-footer .brand-text strong { color: #fff; }
.brand-footer .brand-text span { color: rgba(255,255,255,.5); }
.f-brand > p { font-size: 14.5px; line-height: 1.95; margin-top: 20px; max-width: 320px; }
.f-title { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; letter-spacing: 1px; }
.f-col li { margin-bottom: 13px; }
.f-col li a { font-size: 14.5px; color: rgba(255,255,255,.66); transition: .25s; display: inline-block; }
.f-col li a:hover { color: #fff; transform: translateX(4px); }
.f-contact li {
  display: flex; gap: 12px; margin-bottom: 15px;
  font-size: 14.5px; align-items: flex-start; color: rgba(255,255,255,.66);
}
.f-contact svg { flex: none; margin-top: 4px; color: var(--blue-400); }
.footer-bar {
  border-top: 1px solid rgba(255,255,255,.09); padding: 24px 0;
  font-size: 13.5px; display: flex; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; color: rgba(255,255,255,.42);
}
.footer-bar a { color: inherit; transition: color .25s var(--ease); }
.footer-bar a:hover { color: rgba(255,255,255,.75); }

/* ---------- 13. 内页 Banner ---------- */
.page-hero {
  background: var(--grad-hero); color: #fff; position: relative;
  overflow: hidden; padding: 74px 0;
}
.page-hero::before {
  content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(63,146,228,.32), transparent 65%);
  top: -220px; right: -120px;
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { font-size: 14px; color: rgba(255,255,255,.62); margin-bottom: 18px; }
.breadcrumb a { color: rgba(255,255,255,.78); transition: .25s; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { margin: 0 9px; opacity: .55; }
.page-hero h1 { font-size: clamp(30px, 3.6vw, 42px); font-weight: 800; letter-spacing: 1.5px; }
.page-hero .ph-desc { margin-top: 14px; color: rgba(255,255,255,.75); max-width: 620px; font-size: 16px; }

/* ---------- 14. 关于页 ---------- */
.about-detail { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: start; }
.about-detail .txt p { color: var(--ink-2); font-size: 15.8px; margin-bottom: 18px; text-align: justify; }
.about-detail .txt p strong { color: var(--ink); }
.about-facts {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
  position: sticky; top: calc(var(--nav-h) + 24px);
}
.about-fact {
  background: var(--blue-50); border: 1px solid var(--blue-100);
  border-radius: var(--radius); padding: 26px 22px; transition: .3s;
}
.about-fact:hover { background: #fff; box-shadow: var(--shadow-md); }
.about-fact .num { font-size: 30px; font-weight: 800; color: var(--blue-700); font-variant-numeric: tabular-nums; }
.about-fact .num em { font-style: normal; font-size: 18px; }
.about-fact .cap { font-size: 13.5px; color: var(--ink-3); margin-top: 4px; }

/* 时间线 */
.timeline { position: relative; max-width: 900px; margin: 0 auto; padding: 12px 0 4px; }
.timeline::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, transparent, var(--blue-200) 6%, var(--blue-200) 94%, transparent);
}
.tl-item { position: relative; width: 50%; padding: 0 46px 46px; }
.tl-item:nth-child(odd) { left: 0; text-align: right; }
.tl-item:nth-child(even) { left: 50%; }
.tl-dot {
  position: absolute; top: 8px; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3.5px solid var(--blue-500);
  box-shadow: 0 0 0 5px rgba(30, 122, 212, .14); z-index: 1;
}
.tl-item:nth-child(odd) .tl-dot { right: -7px; }
.tl-item:nth-child(even) .tl-dot { left: -7px; }
.tl-year {
  display: inline-block; font-size: 15px; font-weight: 800; color: var(--blue-600);
  background: var(--blue-100); padding: 3px 15px; border-radius: 999px; margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}
.tl-card h4 { font-size: 17.5px; margin-bottom: 8px; }
.tl-card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.85; }

/* 企业文化 */
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.culture-card {
  background: #fff; border-radius: var(--radius); padding: 44px 32px;
  border: 1px solid var(--line); text-align: center;
  position: relative; transition: .35s var(--ease); overflow: hidden;
}
.culture-card::before {
  content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 3.5px; background: var(--grad-btn); transition: width .4s var(--ease);
}
.culture-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.culture-card:hover::before { width: 100%; }
.culture-icon {
  width: 66px; height: 66px; margin: 0 auto 24px; border-radius: 20px;
  background: var(--blue-100); color: var(--blue-600);
  display: grid; place-items: center; transition: .35s var(--ease);
}
.culture-card:hover .culture-icon { background: var(--grad-btn); color: #fff; }
.culture-card h4 { font-size: 19px; margin-bottom: 6px; letter-spacing: 2px; }
.culture-card .sub { font-size: 12.5px; color: var(--ink-3); letter-spacing: 3px; margin-bottom: 16px; }
.culture-card p { font-size: 15px; color: var(--ink-2); }

/* 实力保障 */
.strength-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.strength-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 26px; transition: .35s var(--ease);
}
.strength-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.strength-card .s-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--blue-100); color: var(--blue-700);
  display: grid; place-items: center; margin-bottom: 18px;
}
.strength-card h4 { font-size: 17px; margin-bottom: 10px; }
.strength-card p { font-size: 14.3px; color: var(--ink-2); line-height: 1.85; }

/* ---------- 15. 产品页 ---------- */
.filter-bar { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 46px; }
.filter-btn {
  padding: 10px 24px; border-radius: 999px; background: #fff;
  border: 1px solid var(--line); color: var(--ink-2);
  font-size: 14.5px; font-weight: 600; transition: .3s;
}
.filter-btn:hover { border-color: var(--blue-300); color: var(--blue-700); }
.filter-btn.active {
  background: var(--grad-btn); color: #fff; border-color: transparent;
  box-shadow: 0 8px 20px rgba(21, 101, 192, .28);
}

/* 服务流程 */
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.process-step { position: relative; text-align: center; padding: 0 12px; }
.process-step .step-icon {
  width: 78px; height: 78px; margin: 0 auto 20px; border-radius: 24px;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  display: grid; place-items: center; color: var(--blue-600);
  position: relative; z-index: 1; transition: .35s var(--ease);
}
.process-step:hover .step-icon {
  background: var(--grad-btn); color: #fff; border-color: transparent;
  box-shadow: 0 12px 26px rgba(21, 101, 192, .3);
}
.process-step .step-no {
  position: absolute; top: -9px; right: -9px; width: 26px; height: 26px;
  border-radius: 50%; background: var(--blue-600); color: #fff;
  font-size: 13px; font-weight: 700; display: grid; place-items: center;
}
.process-step h4 { font-size: 17px; margin-bottom: 8px; }
.process-step p { font-size: 13.8px; color: var(--ink-3); line-height: 1.8; }
.process-step:not(:last-child)::after {
  content: ""; position: absolute; top: 39px; left: calc(50% + 50px);
  width: calc(100% - 100px); height: 2px;
  background: repeating-linear-gradient(90deg, var(--blue-300) 0 8px, transparent 8px 16px);
}

/* 服务承诺 */
.promise-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.promise-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 26px; text-align: center; transition: .35s var(--ease);
}
.promise-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.promise-card .p-icon {
  width: 60px; height: 60px; margin: 0 auto 20px; border-radius: 50%;
  background: var(--blue-50); border: 1.5px solid var(--blue-100);
  color: var(--blue-600); display: grid; place-items: center; transition: .35s;
}
.promise-card:hover .p-icon { background: var(--grad-btn); color: #fff; border-color: transparent; }
.promise-card h4 { font-size: 17.5px; margin-bottom: 10px; }
.promise-card p { font-size: 14.3px; color: var(--ink-2); line-height: 1.85; }

/* ---------- 16. 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 84px; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 24px; text-align: center; transition: .35s var(--ease);
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.contact-card .c-icon {
  width: 62px; height: 62px; margin: 0 auto 20px; border-radius: 18px;
  background: var(--blue-100); color: var(--blue-600);
  display: grid; place-items: center; transition: .35s var(--ease);
}
.contact-card:hover .c-icon { background: var(--grad-btn); color: #fff; }
.contact-card h4 { font-size: 16.5px; margin-bottom: 8px; }
.contact-card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }

.contact-main {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px;
  align-items: stretch;
}
.form-shell {
  background: #fff; border-radius: 22px; box-shadow: var(--shadow-md);
  border: 1px solid var(--line); padding: 46px 44px;
}
.form-shell h3 { font-size: 22px; margin-bottom: 6px; }
.form-shell .form-sub { font-size: 14.5px; color: var(--ink-3); margin-bottom: 30px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink-2); margin-bottom: 8px; }
.field label .req { color: #E05A5A; margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--line);
  border-radius: 10px; font-size: 15px; font-family: inherit;
  color: var(--ink); background: #FAFCFF; transition: .25s; outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--blue-500); background: #fff;
  box-shadow: 0 0 0 4px rgba(30, 122, 212, .1);
}
.field textarea { min-height: 132px; resize: vertical; }
.form-success {
  display: none; background: var(--blue-50); border: 1px solid var(--blue-200);
  color: var(--blue-800); border-radius: 12px; padding: 16px 18px;
  margin-bottom: 20px; gap: 10px; align-items: flex-start; font-size: 14.5px;
}
.form-success.show { display: flex; }
.form-success svg { flex: none; margin-top: 3px; color: var(--blue-600); }

.map-shell {
  background: #fff; border-radius: 22px; border: 1px solid var(--line);
  overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow-sm);
}
.map-shell .map-head {
  padding: 26px 30px; display: flex; gap: 14px; align-items: flex-start;
  border-bottom: 1px solid var(--line);
}
.map-shell .map-head .m-icon {
  width: 46px; height: 46px; border-radius: 13px; flex: none;
  background: var(--blue-100); color: var(--blue-600);
  display: grid; place-items: center;
}
.map-shell .map-head h4 { font-size: 17px; margin-bottom: 4px; }
.map-shell .map-head p { font-size: 14px; color: var(--ink-3); line-height: 1.75; }
.map-shell .map-svg-wrap { flex: 1; min-height: 320px; position: relative; }
.map-shell .map-svg-wrap svg { width: 100%; height: 100%; object-fit: cover; }
.map-badge {
  position: absolute; left: 50%; top: 44%; transform: translate(-50%, -100%);
  background: #fff; border-radius: 10px; box-shadow: var(--shadow-lg);
  padding: 8px 16px; font-size: 13.5px; font-weight: 700; color: var(--blue-700);
  white-space: nowrap;
}
.map-badge::after {
  content: ""; position: absolute; left: 50%; bottom: -6px; transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: #fff; border-bottom: 0;
}

/* ---------- 17. 产品模态框 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 200; display: grid; place-items: center;
  padding: 24px; visibility: hidden; opacity: 0; transition: .3s;
}
.modal.open { visibility: visible; opacity: 1; }
.modal-mask { position: absolute; inset: 0; background: rgba(6, 28, 56, .58); backdrop-filter: blur(4px); }
.modal-body {
  position: relative; width: min(680px, 100%); max-height: 86vh; overflow: auto;
  background: #fff; border-radius: 22px; padding: 42px; box-shadow: var(--shadow-lg);
  transform: translateY(26px) scale(.97); transition: .35s var(--ease);
}
.modal.open .modal-body { transform: none; }
.modal-close {
  position: absolute; top: 18px; right: 18px; width: 38px; height: 38px;
  border-radius: 50%; background: var(--blue-50); color: var(--ink-2);
  display: grid; place-items: center; transition: .25s;
}
.modal-close:hover { background: var(--blue-600); color: #fff; transform: rotate(90deg); }
.modal-head { display: flex; gap: 18px; align-items: center; margin-bottom: 22px; padding-right: 40px; }
.modal-head .m-thumb {
  width: 74px; height: 74px; border-radius: 20px; flex: none;
  background: linear-gradient(150deg, #EAF3FC, #F6FAFE);
  display: grid; place-items: center; color: var(--blue-600);
}
.modal-head h3 { font-size: 21px; }
.modal-head .modal-cat {
  display: inline-block; margin-top: 6px; font-size: 12px; font-weight: 700;
  letter-spacing: 1px; color: var(--blue-500); background: var(--blue-100);
  padding: 2px 12px; border-radius: 999px;
}
.modal-desc { color: var(--ink-2); font-size: 15px; margin-bottom: 24px; text-align: justify; }
.modal-block { margin-bottom: 22px; }
.modal-block h4 {
  font-size: 15.5px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px;
}
.modal-block h4::before { content: ""; width: 4px; height: 16px; border-radius: 2px; background: var(--blue-500); }
.modal-block ul { display: grid; gap: 8px; }
.modal-block ul li {
  position: relative; padding-left: 22px; font-size: 14.5px; color: var(--ink-2);
}
.modal-block ul li::before {
  content: ""; position: absolute; left: 2px; top: 9px; width: 7px; height: 7px;
  border-radius: 2px; background: var(--blue-300); transform: rotate(45deg);
}
.modal-block .apps { font-size: 14.5px; color: var(--ink-2); }
.modal-cta {
  background: var(--blue-50); border: 1px dashed var(--blue-200);
  border-radius: 14px; padding: 18px 22px; display: flex;
  justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
}
.modal-cta span { font-size: 14.5px; color: var(--ink-2); }
.modal-cta a {
  font-weight: 700; color: var(--blue-600); font-size: 14.5px;
  display: inline-flex; align-items: center; gap: 6px; transition: .25s;
}
.modal-cta a:hover { gap: 11px; }

/* ---------- 18. 滚动入场动画 ---------- */
.js-enabled .reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
}
.js-enabled .reveal.in { opacity: 1; transform: none; }
.js-enabled .reveal.d1 { transition-delay: .08s; }
.js-enabled .reveal.d2 { transition-delay: .16s; }
.js-enabled .reveal.d3 { transition-delay: .24s; }
.js-enabled .reveal.d4 { transition-delay: .32s; }

/* ---------- 19. 响应式 ---------- */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 64px 0; text-align: center; }
  .hero .lead { margin-inline: auto; }
  .hero-actions, .hero-meta { justify-content: center; }
  .hero-art { max-width: 520px; margin: 0 auto; }
  .about-grid, .why-grid, .about-detail, .contact-main { grid-template-columns: 1fr; gap: 48px; }
  .about-facts { position: static; }
  .services-grid, .products-grid, .contact-grid, .strength-grid, .promise-grid { grid-template-columns: repeat(2, 1fr); }
  .culture-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; padding: 60px 0 46px; }
}

@media (max-width: 920px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0; background: #fff;
    flex-direction: column; padding: 14px 24px 26px; gap: 4px;
    box-shadow: 0 24px 44px rgba(10, 42, 82, .13);
    transform: translateY(-14px); opacity: 0; pointer-events: none;
    transition: .32s var(--ease); border-top: 1px solid var(--line);
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 13px 12px; font-size: 16px; }
  .nav-links a::after { display: none; }
  .nav-cta { display: none; }
  .process-grid { grid-template-columns: 1fr; gap: 34px; max-width: 440px; margin: 0 auto; }
  .process-step { display: flex; text-align: left; gap: 20px; align-items: center; padding: 0; }
  .process-step .step-icon { margin: 0; flex: none; }
  .process-step:not(:last-child)::after { display: none; }
  .process-step > div { flex: 1; }
}

@media (max-width: 760px) {
  .section { padding: 72px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .timeline::before { left: 11px; }
  .tl-item { width: 100%; left: 0 !important; text-align: left !important; padding: 0 0 40px 44px; }
  .tl-item .tl-dot { left: 4px !important; right: auto !important; }
  .cta-inner { text-align: center; justify-content: center; }
  .float-tag.ft-1 { right: 6px; }
  .float-tag.ft-2 { left: 6px; }
}

@media (max-width: 620px) {
  .services-grid, .products-grid, .contact-grid, .culture-grid,
  .strength-grid, .promise-grid, .form-row, .why-cards { grid-template-columns: 1fr; }
  .why-card:nth-child(even) { transform: none; }
  .form-shell { padding: 34px 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bar { justify-content: center; text-align: center; }
  .modal-body { padding: 32px 24px; }
  .modal-head .m-thumb { width: 60px; height: 60px; border-radius: 15px; }
  .modal-head .m-thumb svg { transform: scale(.8); }
  .hero h1 { font-size: clamp(30px, 8vw, 38px); }
  .hero-meta { gap: 16px; }
}