/* ============================================================
   上海泛研商务咨询有限公司 官网样式
   品牌色：logo 蓝 #0066FF / 深海军蓝 / 灰褐
   ============================================================ */
:root {
  --brand-blue: #005ee0;
  --brand-blue-dark: #0a2540;
  --brand-blue-mid: #123b6d;
  --brand-taupe: #8c8777;
  --brand-taupe-light: #c4bfb3;
  --accent-teal: #00b8a9;
  --accent-orange: #ff8c42;
  --accent-purple: #7c5cff;
  --accent-yellow: #ffc637;
  --grad-brand: linear-gradient(90deg, #005ee0, #00b8a9);
  --grad-rainbow: linear-gradient(90deg, #005ee0, #00b8a9, #ffc637, #ff8c42);
  --text: #1f2937;
  --text-muted: #5d6c7b;
  --bg: #ffffff;
  --bg-light: #f7f8fa;
  --bg-warm: #f4f3ef;
  --border: #e3e6eb;
  --shadow: 0 10px 30px rgba(10, 37, 64, .08);
  --shadow-hover: 0 18px 40px rgba(10, 37, 64, .14);
  --radius: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-alt { background: var(--bg-light); }
.section-warm { background: var(--bg-warm); }
.section-title { font-size: 32px; font-weight: 700; letter-spacing: -.02em; margin: 0 0 14px; }
.section-title::after { content: ""; display: block; width: 64px; height: 4px; border-radius: 2px; margin-top: 14px; background: var(--grad-rainbow); }
.section-lead { color: var(--text-muted); font-size: 16.5px; max-width: 780px; margin: 0 0 46px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 8px; }
.more-link { font-size: 14px; font-weight: 600; color: var(--brand-blue); white-space: nowrap; }
.more-link:hover { text-decoration: underline; }

/* ---------- Header ---------- */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
header::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad-rainbow); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 13px; }
.brand img { height: 64px; width: auto; }
.brand-text { font-size: 19px; font-weight: 800; color: var(--brand-blue-dark); letter-spacing: .02em; }
nav ul { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; align-items: center; }
nav a { font-size: 15px; font-weight: 500; color: var(--text-muted); transition: color .2s; padding: 6px 2px; }
nav a:hover, nav a.active { color: var(--brand-blue); }
nav a.nav-cta { background: var(--brand-blue-dark); color: #fff; padding: 9px 18px; border-radius: 6px; font-size: 14px; transition: background .2s; }
nav a.nav-cta:hover { background: var(--brand-blue); color: #fff; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  min-height: 460px;
  display: flex; align-items: center;
  background: var(--brand-blue-dark);
  color: #fff;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(7,26,48,.85) 0%, rgba(10,37,64,.70) 50%, rgba(18,59,109,.35) 100%);
}
.hero .container { position: relative; z-index: 2; padding-top: 64px; padding-bottom: 64px; }
.hero-inner { max-width: 660px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--brand-taupe-light); border-left: 3px solid var(--brand-blue); padding-left: 12px; margin-bottom: 18px; }
.hero h1 { font-size: 44px; line-height: 1.18; font-weight: 800; margin: 0 0 18px; letter-spacing: -.02em; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #6fc2ff, #00d4c3); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: #6fc2ff; }
.hero p { font-size: 17px; color: #c9d7e6; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: 8px; font-size: 15px; font-weight: 600; transition: transform .15s, box-shadow .2s, background .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(120deg, #005ee0, #00b8a9); color: #fff; box-shadow: 0 8px 20px rgba(0,94,224,.3); }
.btn-secondary { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.3); }
.btn-ghost { background: #fff; color: var(--brand-blue-dark); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--brand-blue); color: var(--brand-blue); }

/* ---------- 子页 Hero ---------- */
.page-hero {
  position: relative;
  background: var(--brand-blue-dark);
  color: #fff;
  padding: 120px 0 84px;
  overflow: hidden;
}
.page-hero .hero-bg::after {
  background: linear-gradient(100deg, rgba(7,26,48,.94) 0%, rgba(10,37,64,.82) 50%, rgba(18,59,109,.55) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: 40px; font-weight: 800; margin: 0 0 14px; letter-spacing: -.02em; }
.page-hero .crumb { font-size: 14px; color: #9fb3c8; margin-bottom: 18px; }
.page-hero .crumb a:hover { color: #fff; }
.page-hero .desc { color: #c9d7e6; font-size: 17px; max-width: 720px; margin: 0; }

/* ---------- 数据带 ---------- */
.stats { background: #fff; border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 46px 0; }
.stat { text-align: center; padding: 0 12px; }
.stat-num { font-size: 40px; font-weight: 800; color: var(--brand-blue); line-height: 1.2; }
.stats-grid .stat:nth-child(2) .stat-num { color: var(--accent-teal); }
.stats-grid .stat:nth-child(3) .stat-num { color: var(--accent-orange); }
.stats-grid .stat:nth-child(4) .stat-num { color: var(--accent-purple); }
.stat-num span { font-size: 22px; }
.stat-label { color: var(--text-muted); font-size: 14px; margin-top: 6px; }

/* ---------- 通用图文卡片 ---------- */
.img-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border);
  transition: transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.img-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.img-card .thumb { position: relative; overflow: hidden; aspect-ratio: 16/9.5; }
.img-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.img-card:hover .thumb img { transform: scale(1.05); }
.img-card .body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.img-card h3 { font-size: 18px; margin: 0 0 10px; }
.img-card p { color: var(--text-muted); font-size: 14px; margin: 0 0 14px; flex: 1; }

/* 标签 */
.tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--brand-blue); background: rgba(0,94,224,.08); border-radius: 100px; padding: 4px 12px; margin: 0 6px 8px 0; }
.tag.taupe { color: #6f6a5c; background: #efede6; }
.tag.dark { background: rgba(255,255,255,.14); color: #e6eef8; }

/* ---------- 关于（首页简版） ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-grid .photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.about-grid .photo img { width: 100%; height: 100%; object-fit: cover; }
.about-quote { font-size: 21px; font-weight: 600; color: var(--brand-blue-dark); line-height: 1.55; margin: 0 0 24px; }
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 30px; }
.value { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 16px 14px; text-align: center; }
.value strong { display: block; color: var(--brand-blue-dark); font-size: 16px; margin-bottom: 4px; }
.value span { color: var(--text-muted); font-size: 12.5px; }

/* ---------- 服务卡片 ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ---------- 行业图片网格 ---------- */
.industries-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.industry-hero-card {
  grid-column: span 2; grid-row: span 2;
  position: relative; border-radius: var(--radius); overflow: hidden;
  min-height: 420px; display: flex; align-items: flex-end;
  color: #fff;
}
.industry-hero-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.industry-hero-card:hover img { transform: scale(1.04); }
.industry-hero-card .overlay {
  position: relative; z-index: 2; width: 100%;
  padding: 30px;
  background: linear-gradient(to top, rgba(7,26,48,.92) 0%, rgba(7,26,48,.35) 65%, transparent 100%);
}
.industry-hero-card .label { font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--brand-taupe-light); text-transform: uppercase; margin-bottom: 8px; }
.industry-hero-card h3 { font-size: 24px; margin: 0 0 8px; }
.industry-hero-card p { color: #c9d7e6; font-size: 14px; margin: 0 0 14px; }
.industry-hero-card .tag { background: rgba(255,255,255,.16); color: #fff; }
.industry-card-sm { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 200px; display: flex; align-items: flex-end; color: #fff; }
.industry-card-sm img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.industry-card-sm:hover img { transform: scale(1.05); }
.industry-card-sm .overlay { position: relative; z-index: 2; width: 100%; padding: 18px 22px; background: linear-gradient(to top, rgba(7,26,48,.9) 0%, rgba(7,26,48,.2) 70%, transparent 100%); }
.industry-card-sm h3 { font-size: 18px; margin: 0 0 4px; }
.industry-card-sm p { color: #c9d7e6; font-size: 13px; margin: 0; }

/* ---------- 团队卡片 ---------- */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.team-card { background: #fff; border-radius: var(--radius); padding: 36px 28px; text-align: center; border: 1px solid var(--border); transition: box-shadow .2s, transform .2s; }
.team-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.team-avatar { width: 108px; height: 108px; margin: 0 auto 20px; border-radius: 50%; object-fit: cover; display: block; border: 3px solid var(--border); }
.team-card h3 { font-size: 21px; margin: 0 0 6px; }
.team-role { color: var(--brand-blue); font-size: 13.5px; font-weight: 600; margin-bottom: 14px; }
.team-bio { color: var(--text-muted); font-size: 13.5px; text-align: left; }
.team-meta { font-size: 13px; color: var(--text-muted); text-align: left; border-top: 1px solid var(--border); padding-top: 14px; margin-top: 14px; }

/* 团队详情（团队页） */
.profile { display: grid; grid-template-columns: 340px 1fr; gap: 52px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; margin-bottom: 32px; }
.profile .side { text-align: center; }
.profile .side .team-avatar { width: 130px; height: 130px; }
.profile h2 { font-size: 26px; margin: 16px 0 4px; }
.profile .side .team-role { margin-bottom: 12px; }
.profile .edu { font-size: 13px; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: 14px; margin-top: 16px; text-align: left; }
.profile .main h3 { font-size: 17px; color: var(--brand-blue-dark); margin: 26px 0 10px; }
.profile .main h3:first-child { margin-top: 0; }
.profile .main p { font-size: 14.5px; color: var(--text-muted); margin: 0 0 10px; }
.profile .main ul { margin: 0; padding-left: 20px; color: var(--text-muted); font-size: 14.5px; }
.profile .main li { margin-bottom: 6px; }

/* ---------- 客户墙 ---------- */
.clients-wall { display: flex; flex-wrap: wrap; gap: 12px; }
.client-name { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 11px 20px; font-size: 14px; font-weight: 500; color: var(--text-muted); }

/* ---------- 案例页 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 36px; }
.filter-btn {
  border: 1px solid var(--border); background: #fff; color: var(--text-muted);
  border-radius: 100px; padding: 9px 20px; font-size: 14px; font-weight: 500;
  cursor: pointer; font-family: inherit; transition: all .2s;
}
.filter-btn:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.filter-btn.active { background: linear-gradient(120deg, #005ee0, #00b8a9); border-color: transparent; color: #fff; box-shadow: 0 6px 14px rgba(0,94,224,.25); }
.industry-select {
  margin-left: auto; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 14px; font-size: 14px; font-family: inherit; color: var(--text);
  background: #fff; cursor: pointer;
}
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); transition: transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.case-card .thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.case-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.case-card:hover .thumb img { transform: scale(1.05); }
.case-card .thumb .badge {
  position: absolute; left: 14px; top: 14px; z-index: 2;
  background: rgba(10,37,64,.85); color: #fff; font-size: 12px; font-weight: 600;
  border-radius: 100px; padding: 4px 12px; backdrop-filter: blur(4px);
}
.case-card .body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.case-card h3 { font-size: 16.5px; margin: 8px 0 10px; line-height: 1.45; }
.case-card p { font-size: 13.5px; color: var(--text-muted); margin: 0; flex: 1; }
.case-card .tags { margin-top: 14px; }
.no-result { display: none; text-align: center; color: var(--text-muted); padding: 60px 0; font-size: 15px; }

/* ---------- 服务详情（交替图文） ---------- */
.service-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 56px 0; border-bottom: 1px solid var(--border); }
.service-detail:last-of-type { border-bottom: 0; }
.service-detail .photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.service-detail .photo img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.service-detail .num { font-size: 14px; font-weight: 700; color: var(--brand-taupe); letter-spacing: .1em; margin-bottom: 10px; }
.service-detail h2 { font-size: 26px; margin: 0 0 14px; }
.service-detail p { color: var(--text-muted); font-size: 15px; }
.service-detail ul { margin: 16px 0 0; padding: 0; list-style: none; }
.service-detail ul li { padding-left: 26px; position: relative; margin-bottom: 8px; font-size: 14.5px; color: var(--text); }
.service-detail ul li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px; border-radius: 2px; background: var(--brand-blue);
}
.service-detail ul li:nth-child(4n+2)::before { background: var(--accent-teal); }
.service-detail ul li:nth-child(4n+3)::before { background: var(--accent-orange); }
.service-detail ul li:nth-child(4n+4)::before { background: var(--accent-purple); }
.service-detail:nth-child(even) .photo { order: 2; }

/* ---------- 能力柱 ---------- */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pillar { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; }
.pillar h3 { font-size: 17px; margin: 0 0 8px; color: var(--brand-blue-dark); }
.pillar .en { font-size: 12px; color: var(--brand-taupe); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 12px; }
.pillar p { font-size: 13.5px; color: var(--text-muted); margin: 0; }

/* ---------- 数据资源 ---------- */
.data-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 36px; }
.data-stat { background: var(--brand-blue-dark); color: #fff; border-radius: var(--radius); padding: 28px 22px; position: relative; overflow: hidden; }
.data-stat::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; }
.data-stat:nth-child(1)::after { background: var(--brand-blue); }
.data-stat:nth-child(2)::after { background: var(--accent-teal); }
.data-stat:nth-child(3)::after { background: var(--accent-yellow); }
.data-stat:nth-child(4)::after { background: var(--accent-orange); }
.data-stat .n { font-size: 30px; font-weight: 800; color: #7ab8ff; }
.data-stat .n span { font-size: 16px; }
.data-stat .d { font-size: 13.5px; color: #aec2d8; margin-top: 4px; }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 22px; }
.contact-item svg { width: 22px; height: 22px; stroke: var(--brand-blue); flex-shrink: 0; margin-top: 3px; }
.contact-item strong { display: block; font-size: 15px; margin-bottom: 4px; }
.contact-item span { color: var(--text-muted); font-size: 14px; }
.contact-form { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.contact-form h3 { margin: 0 0 20px; font-size: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: span 2; }
.form-field label { font-size: 13px; font-weight: 600; color: var(--text-muted); }
.form-field input, .form-field textarea, .form-field select { padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; font-size: 14px; background: #fff; }
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { outline: 2px solid rgba(0,102,255,.2); border-color: var(--brand-blue); }
.form-submit { width: 100%; padding: 14px; border: 0; border-radius: 8px; background: linear-gradient(120deg, #005ee0, #00b8a9); color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; font-family: inherit; transition: filter .2s; }
.form-submit:hover { filter: brightness(1.08); }

/* ---------- CTA 横幅 ---------- */
.cta-band { background: linear-gradient(120deg, var(--brand-blue-dark), var(--brand-blue-mid)); color: #fff; padding: 72px 0; position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 85% 30%, rgba(0,184,169,.22), transparent 45%),
              radial-gradient(circle at 10% 90%, rgba(0,94,224,.28), transparent 40%);
}
.cta-band .container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 28px; }
.cta-band h2 { font-size: 30px; margin: 0 0 10px; }
.cta-band p { color: #c9d7e6; margin: 0; font-size: 16px; }

/* ---------- Footer ---------- */
footer { background: #fff; color: var(--text-muted); padding: 48px 0 30px; font-size: 14px; border-top: 1px solid var(--border); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.footer-brand { display: flex; align-items: center; gap: 12px; font-weight: 700; color: var(--brand-blue-dark); font-size: 16px; }
.footer-brand img { height: 50px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); transition: color .2s; }
.footer-links a:hover { color: var(--brand-blue); }
.copyright { margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--border); text-align: center; color: var(--text-muted); font-size: 13px; }

/* ---------- 客户展示 ---------- */
.clients-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.client-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 22px 16px; text-align: center; transition: transform .2s, box-shadow .2s; min-width: 0; overflow: hidden; }
.client-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.client-card img { height: auto; max-height: 48px; width: auto; max-width: 100%; margin: 0 auto 12px; object-fit: contain; }
.client-card img.logo-sm { max-height: 34px; margin-bottom: 18px; }
.client-card img.logo-xs { max-height: 26px; margin-bottom: 22px; }
.client-card h4 { font-size: 15px; margin: 0 0 8px; color: var(--brand-blue-dark); }
.client-card p { font-size: 12.5px; color: var(--text-muted); margin: 0; line-height: 1.6; }

/* ---------- 行业活动 ---------- */
.activity-item { display: grid; grid-template-columns: 45% 1fr; gap: 32px; align-items: start; padding: 36px 0; border-bottom: 1px solid var(--border); }
.activity-item:last-child { border-bottom: 0; }
.activity-gallery { display: flex; flex-direction: row; gap: 12px; }
.activity-gallery img { flex: 1; min-width: 0; aspect-ratio: 16/10; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.activity-gallery img:only-child { aspect-ratio: 16/9; }
.activity-meta { font-size: 12.5px; color: var(--brand-blue); font-weight: 700; margin-bottom: 10px; text-transform: uppercase; letter-spacing: .06em; }
.activity-body h2 { font-size: 22px; margin: 0 0 14px; color: var(--brand-blue-dark); }
.activity-body p { font-size: 14.5px; color: var(--text-muted); margin: 0; line-height: 1.75; }

/* ---------- 案例详情弹层 ---------- */
.case-detail-modal { display: none; position: fixed; inset: 0; z-index: 200; background: rgba(10,37,64,.65); backdrop-filter: blur(4px); overflow-y: auto; opacity: 0; transition: opacity .25s ease; }
.case-detail-modal.active { display: block; opacity: 1; }
.case-detail-box { background: #fff; border-radius: var(--radius); max-width: 860px; margin: 80px auto; box-shadow: var(--shadow-hover); overflow: hidden; }
.case-detail-box .head { position: relative; }
.case-detail-box .head img { width: 100%; aspect-ratio: 16/7; object-fit: cover; }
.case-detail-box .head .badge { position: absolute; left: 24px; top: 24px; background: rgba(10,37,64,.85); color: #fff; font-size: 13px; font-weight: 600; border-radius: 100px; padding: 5px 14px; }
.case-detail-box .head .close { position: absolute; right: 20px; top: 20px; width: 36px; height: 36px; border-radius: 50%; border: 0; background: rgba(255,255,255,.95); color: var(--brand-blue-dark); font-size: 22px; cursor: pointer; }
.case-detail-box .content { padding: 34px 40px 40px; }
.case-detail-box .content h2 { font-size: 24px; margin: 0 0 16px; color: var(--brand-blue-dark); }
.case-detail-box .content p { color: var(--text-muted); line-height: 1.8; margin-bottom: 14px; }
.case-detail-box .content h3 { font-size: 17px; color: var(--brand-blue-dark); margin: 22px 0 10px; }
.case-detail-box .content ul { color: var(--text-muted); line-height: 1.85; padding-left: 20px; margin: 0; }

/* ---------- 下游应用小图标 ---------- */
.app-icon { width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 10px; }
.app-icon svg { width: 20px; height: 20px; }

/* ---------- 案例卡片点击详情 ---------- */
.case-card { cursor: pointer; transition: transform .25s ease, box-shadow .25s ease; }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.case-more { display: inline-flex; align-items: center; gap: 4px; margin-top: 12px; font-size: 13px; font-weight: 600; color: var(--brand-blue); }
.case-card:hover .case-more { text-decoration: underline; }
.case-detail-box .content .meta-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 20px; }
@media (max-width: 600px) {
  .case-detail-box { margin: 20px 12px; }
  .case-detail-box .content { padding: 24px 22px 28px; }
  .case-detail-box .content h2 { font-size: 20px; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .hero h1 { font-size: 38px; }
  .page-hero h1 { font-size: 32px; }
  .about-grid, .contact-grid, .service-detail { grid-template-columns: 1fr; gap: 36px; }
  .service-detail:nth-child(even) .photo { order: 0; }
  .services-grid, .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-hero-card { grid-column: span 2; grid-row: auto; min-height: 340px; }
  .team-grid { grid-template-columns: 1fr; }
  .stats-grid, .data-stats, .pillars { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: repeat(2, 1fr); }
  .profile { grid-template-columns: 1fr; padding: 28px; }
  .clients-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .activity-item { grid-template-columns: 1fr; }
  .activity-gallery img { aspect-ratio: 16/10; }
  nav ul { display: none; }
}
@media (max-width: 600px) {
  .hero h1 { font-size: 30px; }
  .section { padding: 60px 0; }
  .services-grid, .cases-grid, .industries-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: 1fr; }
  .industry-hero-card { grid-column: span 1; }
  .stats-grid, .data-stats, .pillars { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-field.full { grid-column: span 1; }
  .industry-select { margin-left: 0; }
}