/* ==========================================================================
   全局设计系统 v4
   配色：亮蓝主色 + 青绿/橙/紫辅助，多彩明快、专业大气，背景干净
   字体：阿里巴巴普惠体（免费可商用）
   ========================================================================== */

/* ---------- 阿里巴巴普惠体 @font-face ---------- */
@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("/fonts/AlibabaPuHuiTi-3-55-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: optional;
}
@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("/fonts/AlibabaPuHuiTi-3-65-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: optional;
}
@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("/fonts/AlibabaPuHuiTi-3-75-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: optional;
}
@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("/fonts/AlibabaPuHuiTi-3-85-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: optional;
}

:root {
  --primary: #1e3a5f;
  --primary-800: #16304f;
  --primary-700: #2a4d7a;
  --accent: #2f6fed;
  --accent-600: #1f5ad6;
  --accent-soft: #e8f0fe;
  --teal: #0aa4a0;
  --teal-soft: #e2f7f6;
  --orange: #f08a3c;
  --orange-soft: #fef0e4;
  --purple: #7c5ce0;
  --purple-soft: #eeeafa;
  --gold: #c99a3f;
  --gold-soft: #faf2df;
  --ink: #22304a;
  --ink-soft: #4a5568;
  --muted: #6b7688;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --line: #e6eaf2;
  --card-shadow: 0 2px 4px rgba(30, 58, 95, 0.05), 0 14px 36px rgba(30, 58, 95, 0.09);
  --radius: 14px;
  --radius-lg: 18px;
  --maxw: 1180px;
  --font-sans: "Alibaba PuHuiTi", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--primary-700); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- 排版 ---------- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; color: var(--primary); letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.1rem); }
h2 { font-size: clamp(1.55rem, 3.2vw, 2.15rem); }
h3 { font-size: 1.22rem; }
.lead { font-size: 1.12rem; color: var(--ink-soft); }
.section-sub { color: var(--muted); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 10px;
  font-weight: 600; font-size: 1rem; line-height: 1;
  cursor: pointer; border: 1px solid transparent;
  transition: all .22s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-600));
  color: #fff; box-shadow: 0 4px 14px rgba(47, 111, 237, .25);
}
.btn-primary:hover { color: #fff; background: linear-gradient(135deg, var(--accent-600), var(--accent)); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(47, 111, 237, .34); }
.btn-ghost { background: #fff; color: var(--primary); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 15px 34px; font-size: 1.05rem; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 1.15rem; color: var(--primary); }
.brand-mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.05rem;
}
.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; }
.nav-links a { color: var(--ink-soft); font-weight: 500; font-size: .98rem; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; color: var(--primary); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background:
  radial-gradient(1200px 640px at 85% -10%, #e6f0ff 0%, rgba(230,240,255,0) 60%),
  radial-gradient(900px 520px at 0% 110%, #e2f7f6 0%, rgba(226,247,246,0) 55%),
  var(--bg);
}
.hero-inner { padding: 104px 0 96px; position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  background: var(--accent-soft); color: var(--primary-700);
  font-size: .88rem; font-weight: 600; margin-bottom: 26px;
}
.hero h1 { margin-bottom: 22px; }
.hero h1 .hl { color: var(--accent); }
.hero .lead { max-width: 540px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-points { display: flex; gap: 30px; flex-wrap: wrap; }
.hero-point { display: flex; align-items: center; gap: 10px; }
.hero-point .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.hero-point span { color: var(--ink-soft); font-size: .94rem; }

/* Hero 插画 */
.hero-illus { position: relative; }
.hero-illus svg { width: 100%; height: auto; filter: drop-shadow(0 20px 40px rgba(15,42,74,.12)); }

/* ---------- 通用 section ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-soft); }
.section-head { max-width: 700px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { margin-bottom: 16px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.section-tag::before { content: ""; width: 22px; height: 2px; background: var(--accent); border-radius: 2px; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--card-shadow); border-color: #c4d3ec; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 20px;
  display: grid; place-items: center;
}
.card-icon svg { width: 26px; height: 26px; }
.card { display: block; }
.card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.card p { color: var(--ink-soft); font-size: .96rem; }
a.card { text-decoration: none; color: inherit; }
a.card:hover { color: inherit; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-weight: 600; font-size: .92rem; }

/* 图标配色变体（多彩：蓝/青绿/橙/紫） */
.ic-blue { background: var(--accent-soft); color: var(--accent); }
.ic-teal { background: var(--teal-soft); color: var(--teal); }
.ic-orange { background: var(--orange-soft); color: var(--orange); }
.ic-purple { background: var(--purple-soft); color: var(--purple); }

/* ---------- 服务大卡片（带插画） ---------- */
.service-row { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; padding: 56px 0; border-bottom: 1px solid var(--line); }
.service-row:last-child { border-bottom: none; }
.service-illus { position: relative; }
.service-illus svg { width: 100%; height: auto; }

/* ---------- 优势 ---------- */
.advantage { display: flex; gap: 22px; align-items: flex-start; padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); height: 100%; transition: all .25s; }
.advantage:hover { box-shadow: var(--card-shadow); border-color: #c4d3ec; }
.advantage-num { font-size: 1.5rem; font-weight: 800; color: var(--accent); min-width: 44px; line-height: 1.2; }
.advantage h3 { margin-bottom: 8px; font-size: 1.1rem; }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; transition: all .25s; }
.step:hover { transform: translateY(-4px); box-shadow: var(--card-shadow); }
.step-num {
  width: 46px; height: 46px; border-radius: 12px; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--accent), var(--teal)); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 1.05rem;
}
.step h3 { margin-bottom: 8px; font-size: 1.05rem; }

/* ---------- 标签徽章 ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag { padding: 7px 16px; border-radius: 999px; font-size: .86rem; font-weight: 500; background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-soft); }

/* ---------- 案例 ---------- */
.case-block .mockup {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 8px; box-shadow: var(--card-shadow);
}
.case-block .mockup svg { width: 100%; height: auto; display: block; border-radius: 12px; }
.case {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; height: 100%; transition: all .25s;
}
.case:hover { box-shadow: var(--card-shadow); border-color: #c4d3ec; }
.case-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.case-industry {
  font-size: .8rem; font-weight: 700; letter-spacing: .04em;
  padding: 5px 12px; border-radius: 6px; background: var(--accent-soft); color: var(--primary-700);
}
.case h3 { margin-bottom: 14px; font-size: 1.12rem; }
.case .case-row { color: var(--ink-soft); font-size: .95rem; margin-bottom: 8px; }
.case .case-row b { color: var(--ink); font-weight: 600; }

/* ==========================================================================
   PPT 风格大图方案卡（解决方案页专用）
   ========================================================================== */
.solution-slide {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  margin-bottom: 56px;
  box-shadow: 0 2px 8px rgba(15,42,74,.04);
  transition: box-shadow .3s ease, transform .3s ease;
}
.solution-slide:hover { box-shadow: var(--card-shadow); }
.solution-slide-inner {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  align-items: center;
  gap: 0;
}
.solution-slide-text { padding: 56px 48px; }
.solution-slide-text .num {
  display: inline-block; font-size: .82rem; font-weight: 800; letter-spacing: .12em;
  color: var(--accent); margin-bottom: 14px;
}
.solution-slide-text h2 { font-size: 1.6rem; margin-bottom: 14px; }
.solution-slide-text .slide-lead { color: var(--ink-soft); font-size: 1.05rem; margin-bottom: 20px; line-height: 1.7; }
.solution-slide-text .slide-points { list-style: none; margin-bottom: 24px; }
.solution-slide-text .slide-points li {
  display: flex; gap: 10px; align-items: flex-start;
  color: var(--ink-soft); font-size: .96rem; margin-bottom: 10px; line-height: 1.6;
}
.solution-slide-text .slide-points li::before {
  content: ""; flex-shrink: 0; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); margin-top: 9px;
}
.solution-slide-visual {
  position: relative;
  background: linear-gradient(160deg, #eef4ff 0%, #f6f8fc 100%);
  padding: 40px 36px;
  display: flex; align-items: center; justify-content: center;
  min-height: 360px;
}
.solution-slide-visual svg { width: 100%; height: auto; max-height: 400px; }

/* 视觉区配色变体（多彩） */
.solution-slide-visual.v-teal { background: linear-gradient(160deg, #e2f7f6 0%, #f6f8fc 100%); }
.solution-slide-visual.v-purple { background: linear-gradient(160deg, #eeeafa 0%, #f6f8fc 100%); }
.solution-slide-visual.v-orange { background: linear-gradient(160deg, #fef0e4 0%, #f6f8fc 100%); }
.solution-slide-visual.v-navy { background: linear-gradient(160deg, #e6f0ff 0%, #f6f8fc 100%); }

@media (max-width: 960px) {
  .solution-slide-inner { grid-template-columns: 1fr; }
  .solution-slide-text { padding: 36px 28px; }
  .solution-slide-visual { min-height: 0; padding: 28px 20px; }
}

/* ---------- 联系 / 表单 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-item { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 28px; }
.contact-item .card-icon { margin-bottom: 0; flex-shrink: 0; }
.contact-item h4 { font-size: 1.02rem; margin-bottom: 4px; }
.contact-item p { color: var(--ink-soft); font-size: .95rem; }
.contact-item a { word-break: break-all; }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--card-shadow); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 8px; color: var(--ink); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: 10px;
  font-size: .95rem; font-family: inherit; color: var(--ink); background: var(--bg-soft);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); background: #fff;
}
.form-hint { font-size: .82rem; color: var(--muted); margin-top: 6px; }

/* ---------- 免责声明 / 页脚 ---------- */
.disclaimer { background: var(--bg-soft); border: 1px dashed #d1d5db; border-radius: var(--radius); padding: 20px 24px; font-size: .86rem; color: var(--muted); margin-top: 36px; }
.site-footer { background: var(--primary); color: #cbd5e1; padding: 60px 0 34px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 44px; margin-bottom: 44px; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 11px; font-size: .92rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 26px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: .84rem; color: #94a3b8; }
.footer-brand { color: #fff; font-weight: 700; font-size: 1.06rem; margin-bottom: 14px; display: block; }
.footer-desc { font-size: .9rem; color: #94a3b8; max-width: 360px; }

/* ---------- 页面横幅 ---------- */
.page-hero { position: relative; overflow: hidden; background: var(--primary); color: #fff; padding: 76px 0 66px; }
.page-hero::after { content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(47,93,168,.28), transparent 70%); }
.page-hero h1 { color: #fff; margin-bottom: 14px; }
.page-hero p { color: #cbd5e1; max-width: 660px; font-size: 1.06rem; position: relative; z-index: 1; }

/* ---------- 滚动淡入 ---------- */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-illus { order: -1; max-width: 480px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .service-row { grid-template-columns: 1fr; gap: 28px; }
  .service-illus { max-width: 420px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 720px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 16px;
    position: absolute; top: 70px; left: 0; right: 0;
    background: #fff; padding: 22px 26px; border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(15,42,74,.1);
  }
  .grid-3, .grid-2, .grid-4, .steps { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero-inner { padding: 68px 0 60px; }
  .hero-points { gap: 20px; }
}

/* ==========================================================================
   关于我们页专用样式
   ========================================================================== */

/* ---------- Page Hero 增强（浅色协调版） ---------- */
.page-hero-about {
  background:
    radial-gradient(1200px 600px at 85% -10%, #e6f0ff 0%, rgba(230,240,255,0) 60%),
    radial-gradient(900px 500px at 0% 110%, #e2f7f6 0%, rgba(226,247,246,0) 55%),
    #ffffff;
  padding: 88px 0 80px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-hero-about::before {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  right: -160px; top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47,111,237,.12), transparent 70%);
  animation: heroGlow 12s ease-in-out infinite alternate;
}
.page-hero-about::after {
  content: "";
  position: absolute;
  width: 380px; height: 380px;
  left: -120px; bottom: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10,164,160,.10), transparent 70%);
  animation: heroGlow 14s ease-in-out infinite alternate-reverse;
}
@keyframes heroGlow {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-30px, 20px) scale(1.08); }
}
.page-hero-inner { position: relative; z-index: 1; max-width: 720px; }
.page-hero-badge {
  display: inline-block;
  font-size: .82rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
}
.page-hero-about h1 {
  color: var(--primary);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.3;
  margin-bottom: 20px;
}
.page-hero-about p {
  color: var(--ink-soft);
  font-size: 1.08rem;
  max-width: 620px;
  margin-bottom: 36px;
}
.page-hero-meta {
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
}
.meta-item { display: flex; flex-direction: column; gap: 4px; }
.meta-item b { color: var(--primary); font-size: 1.6rem; font-weight: 800; line-height: 1; }
.meta-item span { color: var(--muted); font-size: .86rem; }
.meta-divider { width: 1px; height: 36px; background: var(--line); }

/* ---------- 公司简介视觉 ---------- */
.about-visual svg { width: 100%; height: auto; filter: drop-shadow(0 20px 40px rgba(15,42,74,.1)); }

/* ---------- 卡片浮起 ---------- */
.card-lift { transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.card-lift:hover { transform: translateY(-6px); box-shadow: var(--card-shadow); border-color: #c4d3ec; }

/* ---------- 服务范围小卡片 ---------- */
.about-scope { gap: 22px; }
.scope-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.scope-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-shadow);
  border-color: #c4d3ec;
}
.scope-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: 16px;
}
.scope-icon svg { width: 22px; height: 22px; }
.scope-item h3 { font-size: 1.05rem; margin-bottom: 6px; }
.scope-item p { color: var(--ink-soft); font-size: .92rem; }

/* ---------- 联系 CTA ---------- */
.contact-cta {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
  background: linear-gradient(135deg, #ffffff 0%, #f5f8fc 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--card-shadow);
}
.contact-cta-text h2 { margin-bottom: 12px; }
.contact-cta-text p { color: var(--ink-soft); }
.contact-cta-actions { display: flex; flex-direction: column; gap: 14px; }
.contact-cta-actions .btn { justify-content: center; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .contact-cta { grid-template-columns: 1fr; padding: 32px 24px; }
  .about-intro { gap: 36px !important; }
  .page-hero-meta { gap: 20px; }
}
@media (max-width: 720px) {
  .page-hero-about { padding: 68px 0 60px; }
  .meta-divider { display: none; }
  .page-hero-meta { gap: 18px 24px; }
  .contact-cta-actions { flex-direction: row; flex-wrap: wrap; }
  .contact-cta-actions .btn { flex: 1; }
}
/* ==========================================================================
   联系页专用样式
   ========================================================================== */

/* ---------- Page Hero（浅色协调版） ---------- */
.page-hero-contact {
  background:
    radial-gradient(1200px 600px at 85% -10%, #e6f0ff 0%, rgba(230,240,255,0) 60%),
    radial-gradient(900px 500px at 0% 110%, #e2f7f6 0%, rgba(226,247,246,0) 55%),
    #ffffff;
  padding: 88px 0 80px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-hero-contact::before {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  right: -160px; top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47,111,237,.12), transparent 70%);
  animation: heroGlow 12s ease-in-out infinite alternate;
}
.page-hero-contact::after {
  content: "";
  position: absolute;
  width: 380px; height: 380px;
  left: -120px; bottom: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10,164,160,.10), transparent 70%);
  animation: heroGlow 14s ease-in-out infinite alternate-reverse;
}
.page-hero-contact h1 {
  color: var(--primary);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.3;
  margin-bottom: 20px;
}
.page-hero-contact p {
  color: var(--ink-soft);
  font-size: 1.08rem;
  max-width: 620px;
  margin-bottom: 36px;
}
.page-hero-contact .page-hero-badge { color: var(--accent); }
.page-hero-contact .meta-item b { color: var(--primary); }
.page-hero-contact .meta-item span { color: var(--muted); }
.page-hero-contact .meta-divider { background: var(--line); }

/* ---------- 联系方式列表 ---------- */
.contact-list { display: flex; flex-direction: column; gap: 16px; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
  position: relative;
}
.contact-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow);
  border-color: #c4d3ec;
  color: inherit;
}
.contact-item .card-icon { margin-bottom: 0; flex-shrink: 0; }
.contact-item-body { flex: 1; min-width: 0; }
.contact-item-body h4 { font-size: 1.02rem; margin-bottom: 4px; color: var(--primary); }
.contact-item-body p { color: var(--ink-soft); font-size: .95rem; }
.contact-item-body p b { color: var(--ink); font-weight: 700; }
.contact-item-arrow {
  color: var(--muted);
  font-size: 1.2rem;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .25s ease, transform .25s ease, color .25s ease;
}
.contact-item:hover .contact-item-arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--accent);
}
.contact-item-static { cursor: default; }
.contact-item-static:hover { transform: none; box-shadow: none; border-color: var(--line); }

/* ---------- 表单增强 ---------- */
.btn-block { width: 100%; justify-content: center; }

.form-card h3 { color: var(--primary); }

/* 表单输入框悬停 */
.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
  border-color: #c4d3ec;
}

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .contact-item { padding: 18px 18px; gap: 14px; }
  .contact-item-arrow { display: none; }
}
/* ==========================================================================
   服务能力页专用样式
   ========================================================================== */

/* ---------- Page Hero（浅色协调版） ---------- */
.page-hero-services {
  background:
    radial-gradient(1200px 600px at 85% -10%, #e6f0ff 0%, rgba(230,240,255,0) 60%),
    radial-gradient(900px 500px at 0% 110%, #e2f7f6 0%, rgba(226,247,246,0) 55%),
    #ffffff;
  padding: 88px 0 80px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-hero-services::before {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  right: -160px; top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47,111,237,.12), transparent 70%);
  animation: heroGlow 12s ease-in-out infinite alternate;
}
.page-hero-services::after {
  content: "";
  position: absolute;
  width: 380px; height: 380px;
  left: -120px; bottom: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10,164,160,.10), transparent 70%);
  animation: heroGlow 14s ease-in-out infinite alternate-reverse;
}
.page-hero-services h1 {
  color: var(--primary);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.3;
  margin-bottom: 20px;
}
.page-hero-services p {
  color: var(--ink-soft);
  font-size: 1.08rem;
  max-width: 620px;
  margin-bottom: 36px;
}
.page-hero-services .page-hero-badge { color: var(--accent); }
.page-hero-services .meta-item b { color: var(--primary); }
.page-hero-services .meta-item span { color: var(--muted); }
.page-hero-services .meta-divider { background: var(--line); }

/* ---------- 技术栈卡片 ---------- */
.tech-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.tech-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-shadow);
  border-color: #c4d3ec;
}
.tech-card h3 { font-size: 1.05rem; margin-bottom: 14px; }
.tech-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 500;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  transition: all .2s ease;
}
.tech-card:hover .tech-tag {
  background: var(--accent-soft);
  border-color: #c4d3ec;
  color: var(--accent-600);
}

/* ---------- 交付流程连接线 ---------- */
.steps { position: relative; }
.step { position: relative; }
.step::after {
  content: "";
  position: absolute;
  top: 44px;
  right: -14px;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--line), transparent);
}
.step:last-child::after { display: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .step::after { display: none; }
}
/* ==========================================================================
   解决方案页专用样式
   ========================================================================== */

/* ---------- Page Hero（浅色协调版） ---------- */
.page-hero-solutions {
  background:
    radial-gradient(1200px 600px at 85% -10%, #e6f0ff 0%, rgba(230,240,255,0) 60%),
    radial-gradient(900px 500px at 0% 110%, #e2f7f6 0%, rgba(226,247,246,0) 55%),
    #ffffff;
  padding: 88px 0 80px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-hero-solutions::before {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  right: -160px; top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47,111,237,.12), transparent 70%);
  animation: heroGlow 12s ease-in-out infinite alternate;
}
.page-hero-solutions::after {
  content: "";
  position: absolute;
  width: 380px; height: 380px;
  left: -120px; bottom: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10,164,160,.10), transparent 70%);
  animation: heroGlow 14s ease-in-out infinite alternate-reverse;
}
.page-hero-solutions h1 {
  color: var(--primary);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.3;
  margin-bottom: 20px;
}
.page-hero-solutions p {
  color: var(--ink-soft);
  font-size: 1.08rem;
  max-width: 620px;
  margin-bottom: 36px;
}
.page-hero-solutions .page-hero-badge { color: var(--accent); }
.page-hero-solutions .meta-item b { color: var(--primary); }
.page-hero-solutions .meta-item span { color: var(--muted); }
.page-hero-solutions .meta-divider { background: var(--line); }

/* ---------- 方案卡视觉区增强 ---------- */
.solution-slide-visual svg {
  width: 100%;
  height: auto;
  max-height: 440px;
  filter: drop-shadow(0 12px 30px rgba(15,42,74,.06));
}

/* 悬停时轻微上浮 */
.solution-slide { transition: transform .35s ease, box-shadow .35s ease; }
.solution-slide:hover { transform: translateY(-4px); }