/* ==========================================================================
   上海百诗特管理咨询有限公司 — 官网样式
   品牌色：Besterve 深蓝 #0E3A6C / 政务金 #C08A2E
   ========================================================================== */

:root {
  --c-navy: #0e3a6c;
  --c-navy-d: #08243f;
  --c-navy-l: #17497f;
  --c-blue: #1a62ac;
  --c-blue-l: #eaf2fa;
  --c-gold: #c08a2e;
  --c-gold-l: #f6efe0;
  --c-text: #16233a;
  --c-text-2: #5c6b80;
  --c-text-3: #8a99ab;
  --c-line: #e3e9f0;
  --c-bg: #f6f8fb;
  --c-white: #fff;
  --radius: 6px;
  --shadow-s: 0 2px 10px rgba(14, 58, 108, .06);
  --shadow-m: 0 10px 30px rgba(14, 58, 108, .10);
  --shadow-l: 0 18px 50px rgba(14, 58, 108, .16);
  --max: 1200px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--c-text);
  background: var(--c-white);
  font-size: 15px;
  line-height: 1.8;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部联系条 ---------- */
.topbar {
  background: var(--c-navy-d);
  color: rgba(255, 255, 255, .72);
  font-size: 12.5px;
  line-height: 36px;
  letter-spacing: .2px;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; }
.topbar a:hover { color: #fff; }
.topbar .tb-right { display: flex; gap: 22px; align-items: center; }
.topbar .tb-right span { display: inline-flex; align-items: center; gap: 6px; }
.topbar svg { width: 13px; height: 13px; fill: currentColor; opacity: .8; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 200;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow .3s var(--ease);
}
.nav.scrolled { box-shadow: var(--shadow-s); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.nav-logo img { height: 30px; width: auto; }
.nav-logo .logo-w { display: none; }
.nav-menu { display: flex; gap: 4px; align-items: center; }
.nav-menu > li > a {
  display: block; padding: 0 18px; line-height: 74px;
  font-size: 15.5px; color: var(--c-text); position: relative;
}
.nav-menu > li > a::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: 20px; height: 2px;
  background: var(--c-gold); transform: scaleX(0); transform-origin: center;
  transition: transform .3s var(--ease);
}
.nav-menu > li > a:hover, .nav-menu > li.active > a { color: var(--c-navy); }
.nav-menu > li > a:hover::after, .nav-menu > li.active > a::after { transform: scaleX(1); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--c-navy); color: #fff; font-size: 15px;
  padding: 11px 22px; border-radius: 2px; letter-spacing: .5px;
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.nav-cta:hover { background: var(--c-blue); color: #fff; transform: translateY(-1px); }
.nav-toggle { display: none; width: 40px; height: 40px; position: relative; }
.nav-toggle span {
  position: absolute; left: 9px; right: 9px; height: 2px; background: var(--c-navy);
  transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle span:nth-child(1) { top: 13px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 25px; }
.nav-toggle.on span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.on span:nth-child(2) { opacity: 0; }
.nav-toggle.on span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 30px; font-size: 15px; border-radius: 2px; letter-spacing: .5px;
  transition: all .28s var(--ease); white-space: nowrap;
}
.btn-primary { background: var(--c-gold); color: #fff; }
.btn-primary:hover { background: #a9761f; color: #fff; transform: translateY(-2px); box-shadow: 0 12px 26px rgba(192, 138, 46, .3); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .55); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .14); color: #fff; border-color: #fff; }
.btn-line { border: 1px solid var(--c-navy); color: var(--c-navy); }
.btn-line:hover { background: var(--c-navy); color: #fff; }
.btn .ar { transition: transform .3s var(--ease); }
.btn:hover .ar { transform: translateX(4px); }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; min-height: 640px; height: 82vh;
  display: flex; align-items: center; overflow: hidden;
  background: var(--c-navy-d);
}
.hero-bg {
  position: absolute; inset: 0;
  background: url("../img/hero.jpg") center/cover no-repeat;
  transform: scale(1.04); animation: heroZoom 18s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1.04); } to { transform: scale(1.12); } }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(96deg, rgba(8, 36, 63, .94) 0%, rgba(10, 44, 78, .86) 38%, rgba(10, 44, 78, .42) 72%, rgba(10, 44, 78, .28) 100%);
}
.hero .wrap { position: relative; z-index: 2; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--c-gold); font-size: 13.5px; letter-spacing: 3px; margin-bottom: 26px;
}
.hero-tag::before { content: ""; width: 34px; height: 1px; background: var(--c-gold); }
.hero h1 {
  color: #fff; font-size: 52px; line-height: 1.28; letter-spacing: 3px;
  font-weight: 700; margin-bottom: 24px; max-width: 16em;
}
.hero h1 em { font-style: normal; color: #f0cf8e; }
.hero .hero-sub {
  color: rgba(255, 255, 255, .84); font-size: 17px; line-height: 2;
  max-width: 620px; margin-bottom: 16px;
}
.hero .hero-points {
  display: flex; flex-wrap: wrap; gap: 10px 26px; margin: 24px 0 38px;
}
.hero .hero-points li {
  color: rgba(255, 255, 255, .82); font-size: 14px;
  display: inline-flex; align-items: center; gap: 8px;
}
.hero .hero-points li::before {
  content: ""; width: 5px; height: 5px; background: var(--c-gold); border-radius: 50%;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Hero 底部数据条 ---------- */
.hero-stats {
  position: relative; z-index: 3; margin-top: -62px;
}
.hero-stats .box {
  background: #fff; box-shadow: var(--shadow-l); border-radius: 4px;
  display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden;
}
.hero-stats .item {
  padding: 32px 26px; text-align: center; position: relative;
}
.hero-stats .item::after {
  content: ""; position: absolute; right: 0; top: 26px; bottom: 26px; width: 1px; background: var(--c-line);
}
.hero-stats .item:last-child::after { display: none; }
.hero-stats .num {
  font-size: 34px; font-weight: 700; color: var(--c-navy); line-height: 1.2;
  font-family: "DIN Alternate", "Helvetica Neue", Arial, sans-serif;
}
.hero-stats .num small { font-size: 16px; font-weight: 500; margin-left: 2px; }
.hero-stats .lb { color: var(--c-text-2); font-size: 13.5px; margin-top: 6px; }

/* ---------- 通用 section ---------- */
.sec { padding: 92px 0; }
.sec-bg { background: var(--c-bg); }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.sec-head.left { text-align: left; margin-left: 0; }
.sec-tag {
  color: var(--c-gold); font-size: 13px; letter-spacing: 3px;
  text-transform: uppercase; margin-bottom: 14px;
}
.sec-head h2 {
  font-size: 34px; font-weight: 700; letter-spacing: 2px; color: var(--c-navy-d);
  line-height: 1.4; margin-bottom: 18px;
}
.sec-head h2 em { font-style: normal; color: var(--c-gold); }
.sec-head p { color: var(--c-text-2); font-size: 15.5px; line-height: 1.95; }
.sec-line { width: 44px; height: 3px; background: var(--c-gold); margin: 0 auto 22px; }
.sec-head.left .sec-line { margin-left: 0; }

/* ---------- 关于 / 简介 ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.about-text h3 { font-size: 27px; color: var(--c-navy-d); letter-spacing: 1.5px; margin-bottom: 20px; line-height: 1.5; }
.about-text p { color: var(--c-text-2); font-size: 15.5px; line-height: 2.05; margin-bottom: 16px; }
.about-text p strong { color: var(--c-navy); font-weight: 600; }
.res-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 30px; }
.res-list li {
  background: var(--c-blue-l); border-left: 3px solid var(--c-navy);
  padding: 14px 18px; font-size: 14.5px; color: var(--c-navy); line-height: 1.6;
}
.res-list li i { display: block; font-style: normal; font-size: 12px; color: var(--c-text-3); letter-spacing: 1px; margin-top: 3px; }
.about-media { position: relative; }
.about-media img { border-radius: 4px; box-shadow: var(--shadow-m); }
.about-badge {
  position: absolute; left: -28px; bottom: -28px; background: var(--c-navy); color: #fff;
  padding: 26px 32px; border-radius: 3px; box-shadow: var(--shadow-l);
}
.about-badge .n { font-size: 36px; font-weight: 700; line-height: 1.1; color: #f0cf8e; }
.about-badge .t { font-size: 13.5px; color: rgba(255, 255, 255, .82); margin-top: 6px; }

/* ---------- 能力卡（三大事业部 / 两大平台） ---------- */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cap-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: 4px;
  padding: 38px 32px; position: relative; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.cap-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: var(--c-gold); transform: scaleX(0); transform-origin: left;
  transition: transform .45s var(--ease);
}
.cap-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-m); border-color: transparent; }
.cap-card:hover::before { transform: scaleX(1); }
.cap-icon {
  width: 52px; height: 52px; border-radius: 2px; background: var(--c-blue-l);
  display: flex; align-items: center; justify-content: center; margin-bottom: 22px;
}
.cap-icon svg { width: 26px; height: 26px; fill: var(--c-navy); }
.cap-card h4 { font-size: 19px; color: var(--c-navy-d); margin-bottom: 12px; letter-spacing: .8px; }
.cap-card p { color: var(--c-text-2); font-size: 14.5px; line-height: 1.95; }
.cap-card .idx {
  position: absolute; right: 24px; top: 20px; font-size: 44px; font-weight: 700;
  color: rgba(14, 58, 108, .06); font-family: "DIN Alternate", Arial, sans-serif;
}

/* ---------- 数据条 ---------- */
.stats-band {
  background: linear-gradient(115deg, var(--c-navy-d), var(--c-navy) 55%, var(--c-navy-l));
  color: #fff; padding: 62px 0; position: relative; overflow: hidden;
}
.stats-band::after {
  content: ""; position: absolute; right: -120px; top: -80px; width: 420px; height: 420px;
  border-radius: 50%; background: radial-gradient(circle, rgba(192, 138, 46, .22), transparent 68%);
}
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; position: relative; z-index: 2; }
.stats-grid .it { text-align: center; padding: 0 12px; }
.stats-grid .it .n {
  font-size: 36px; font-weight: 700; color: #f0cf8e; line-height: 1.2;
  font-family: "DIN Alternate", Arial, sans-serif;
}
.stats-grid .it .n small { font-size: 15px; margin-left: 3px; font-weight: 500; color: #f0cf8e; }
.stats-grid .it .t { font-size: 13.5px; color: rgba(255, 255, 255, .78); margin-top: 8px; letter-spacing: .5px; }

/* ---------- 服务网格 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: 4px; padding: 34px 30px;
  display: flex; flex-direction: column; min-height: 232px;
  transition: all .35s var(--ease);
}
.svc-card:hover { background: var(--c-navy); border-color: var(--c-navy); transform: translateY(-6px); box-shadow: var(--shadow-m); }
.svc-card h4 { font-size: 18.5px; color: var(--c-navy-d); margin-bottom: 12px; letter-spacing: .8px; transition: color .3s; }
.svc-card p { color: var(--c-text-2); font-size: 14.5px; line-height: 1.9; flex: 1; transition: color .3s; }
.svc-card .more {
  margin-top: 20px; font-size: 13.5px; color: var(--c-gold); display: inline-flex; align-items: center; gap: 6px;
}
.svc-card:hover h4 { color: #fff; }
.svc-card:hover p { color: rgba(255, 255, 255, .8); }
.svc-card .svc-no {
  font-family: "DIN Alternate", Arial, sans-serif; font-size: 13px; letter-spacing: 2px;
  color: var(--c-gold); margin-bottom: 14px; display: block;
}

/* ---------- 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0; margin-top: 20px; }
.flow .step { position: relative; padding: 0 10px; text-align: center; }
.flow .step .dot {
  width: 46px; height: 46px; margin: 0 auto 18px; border-radius: 50%;
  background: #fff; border: 1px solid var(--c-line); color: var(--c-navy);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px; position: relative; z-index: 2;
  transition: all .35s var(--ease);
}
.flow .step::after {
  content: ""; position: absolute; left: 50%; top: 23px; width: 100%; height: 1px;
  background: var(--c-line); z-index: 1;
}
.flow .step:last-child::after { display: none; }
.flow .step h5 { font-size: 15px; color: var(--c-navy-d); margin-bottom: 8px; }
.flow .step p { font-size: 13px; color: var(--c-text-2); line-height: 1.75; }
.flow .step:hover .dot { background: var(--c-navy); color: #fff; border-color: var(--c-navy); transform: translateY(-4px); box-shadow: var(--shadow-m); }

/* ---------- 准入标准 ---------- */
.std-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.std-list { display: grid; gap: 14px; }
.std-list li {
  background: #fff; border: 1px solid var(--c-line); border-left: 3px solid var(--c-gold);
  padding: 18px 22px; display: flex; gap: 16px; align-items: flex-start;
  transition: all .3s var(--ease);
}
.std-list li:hover { box-shadow: var(--shadow-s); transform: translateX(4px); }
.std-list li b { color: var(--c-navy); font-size: 15.5px; display: block; margin-bottom: 4px; }
.std-list li span { color: var(--c-text-2); font-size: 14px; line-height: 1.85; }
.std-list li .k {
  flex: 0 0 34px; height: 34px; border-radius: 50%; background: var(--c-blue-l); color: var(--c-navy);
  display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700;
}

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: 4px; overflow: hidden;
  display: flex; flex-direction: column; transition: all .38s var(--ease);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-m); border-color: transparent; }
.case-thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--c-bg); }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.case-card:hover .case-thumb img { transform: scale(1.06); }
.case-thumb .chip {
  position: absolute; left: 14px; top: 14px; background: rgba(8, 36, 63, .82); color: #fff;
  font-size: 12.5px; padding: 5px 12px; border-radius: 2px; letter-spacing: .5px; backdrop-filter: blur(4px);
}
.case-body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.case-body h4 { font-size: 17px; color: var(--c-navy-d); line-height: 1.55; margin-bottom: 12px; }
.case-body p { color: var(--c-text-2); font-size: 14px; line-height: 1.9; flex: 1; }
.case-meta {
  display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 18px; padding-top: 16px;
  border-top: 1px dashed var(--c-line);
}
.case-meta div { font-size: 13px; color: var(--c-text-3); }
.case-meta div b { color: var(--c-navy); font-size: 15px; font-family: "DIN Alternate", Arial, sans-serif; margin-left: 4px; }

/* ---------- 平台展示 ---------- */
.plat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.plat-grid figure {
  border: 1px solid var(--c-line); border-radius: 4px; overflow: hidden; background: #fff;
  transition: all .35s var(--ease);
}
.plat-grid figure:hover { box-shadow: var(--shadow-m); transform: translateY(-5px); }
.plat-grid img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top center; }
.plat-grid figcaption { padding: 16px 18px; font-size: 14px; color: var(--c-text-2); border-top: 1px solid var(--c-line); }
.plat-grid figcaption b { color: var(--c-navy); display: block; font-size: 15px; margin-bottom: 3px; }

/* ---------- 团队 ---------- */
.team-wrap { display: grid; grid-template-columns: 320px 1fr; gap: 56px; align-items: center; }
.team-photo { position: relative; }
.team-photo img { border-radius: 4px; box-shadow: var(--shadow-m); }
.team-photo::after {
  content: ""; position: absolute; inset: 18px -18px -18px 18px; border: 1px solid var(--c-gold);
  border-radius: 4px; z-index: -1;
}
.team-info h3 { font-size: 26px; color: var(--c-navy-d); margin-bottom: 6px; letter-spacing: 1px; }
.team-info .role { color: var(--c-gold); font-size: 14.5px; letter-spacing: 2px; margin-bottom: 24px; }
.team-info p { color: var(--c-text-2); font-size: 15px; line-height: 2.05; margin-bottom: 14px; }
.partner-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.partner-tags span {
  border: 1px solid var(--c-line); background: #fff; color: var(--c-navy);
  font-size: 13.5px; padding: 8px 16px; border-radius: 2px;
}

/* ---------- 考察照片墙 ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery figure { position: relative; overflow: hidden; border-radius: 4px; aspect-ratio: 4 / 3; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.gallery figcaption {
  position: absolute; inset: auto 0 0 0; padding: 16px 18px 14px;
  background: linear-gradient(transparent, rgba(8, 36, 63, .9));
  color: #fff; font-size: 13.5px; line-height: 1.6;
}
.gallery figure:hover img { transform: scale(1.07); }

/* ---------- CTA ---------- */
.cta {
  position: relative; padding: 96px 0; color: #fff; overflow: hidden; background: var(--c-navy-d);
}
.cta-bg { position: absolute; inset: 0; background: url("../img/cta-city.jpg") center/cover no-repeat; opacity: .30; }
.cta::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(8, 36, 63, .96), rgba(8, 36, 63, .72) 60%, rgba(8, 36, 63, .5));
}
.cta .wrap { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta h2 { font-size: 33px; letter-spacing: 2px; line-height: 1.5; margin-bottom: 12px; }
.cta p { color: rgba(255, 255, 255, .78); font-size: 15.5px; max-width: 620px; line-height: 1.95; }

/* CTA 留资表单 */
.cta-copy { flex: 1 1 420px; min-width: 0; }
.cta-direct { margin-top: 18px; font-size: 13.5px; color: rgba(255, 255, 255, .62); }
.cta-direct b { color: #fff; font-weight: 500; }
.cta-form { flex: 0 0 360px; background: #fff; border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow-m); }
.cta-form-tip { font-size: 14px; font-weight: 600; color: var(--c-navy-d); margin-bottom: 14px; }
.cta-form input { width: 100%; border: 1px solid var(--c-line); border-radius: 3px; padding: 11px 13px; font-size: 14px; font-family: inherit; color: var(--c-text); margin-bottom: 10px; background: #fff; }
.cta-form input:focus { outline: none; border-color: var(--c-navy); box-shadow: 0 0 0 3px rgba(14, 58, 108, .08); }
.cta-form-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.cta-form-btn { width: 100%; justify-content: center; margin-top: 4px; }
.cta-form-msg { font-size: 13px; margin-top: 10px; min-height: 18px; line-height: 1.5; color: var(--c-text-2); }
.cta-form-msg.ok { color: #1a7f45; }
.cta-form-msg.err { color: #b4232a; }

/* ---------- 页脚 ---------- */
.footer { background: #071d33; color: rgba(255, 255, 255, .62); padding: 64px 0 0; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 46px; }
.footer-logo img { height: 30px; margin-bottom: 20px; }
.footer h5 { color: #fff; font-size: 15.5px; margin-bottom: 18px; letter-spacing: 1px; }
.footer li { margin-bottom: 11px; }
.footer a:hover { color: var(--c-gold); }
.footer .f-contact li { display: flex; gap: 10px; line-height: 1.8; }
.footer .f-contact b { color: rgba(255, 255, 255, .82); font-weight: 500; flex: 0 0 auto; }
.footer .f-contact a { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 20px 0; font-size: 13px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.footer-bottom span { color: rgba(255, 255, 255, .42); }

/* ---------- 内页头部 ---------- */
.page-hero {
  position: relative; padding: 110px 0 76px; background: var(--c-navy-d); color: #fff; overflow: hidden;
}
.page-hero .ph-bg { position: absolute; inset: 0; background: url("../img/cta-city.jpg") center/cover; opacity: .22; }
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8, 36, 63, .95), rgba(14, 58, 108, .78) 65%, rgba(14, 58, 108, .58));
}
.page-hero .wrap { position: relative; z-index: 2; }
.page-hero h1 { font-size: 40px; letter-spacing: 3px; margin-bottom: 14px; }
.page-hero p { color: rgba(255, 255, 255, .76); font-size: 15.5px; max-width: 720px; line-height: 1.95; }
.crumb { font-size: 13px; color: rgba(255, 255, 255, .6); margin-bottom: 20px; letter-spacing: .5px; }
.crumb a:hover { color: var(--c-gold); }

/* ---------- 内页内容块 ---------- */
.blk { padding: 78px 0; }
.blk + .blk { border-top: 1px solid var(--c-line); }
.blk-bg { background: var(--c-bg); border-top: 0 !important; }
.h3-line { font-size: 26px; color: var(--c-navy-d); letter-spacing: 1.5px; margin-bottom: 22px; }
.h3-line span { color: var(--c-gold); }
.lead { color: var(--c-text-2); font-size: 15.5px; line-height: 2.05; }
.lead strong { color: var(--c-navy); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.two-col.rev .t-media { order: 2; }
.t-media img { border-radius: 4px; box-shadow: var(--shadow-m); }
.check-list li {
  position: relative; padding-left: 26px; margin-bottom: 12px;
  color: var(--c-text-2); font-size: 15px; line-height: 1.9;
}
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 12px; width: 8px; height: 8px;
  background: var(--c-gold); border-radius: 1px; transform: rotate(45deg);
}
.check-list li b { color: var(--c-navy); }

/* 表格 */
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; background: #fff; }
.tbl th, .tbl td { border: 1px solid var(--c-line); padding: 14px 18px; text-align: left; line-height: 1.75; }
.tbl th { background: var(--c-blue-l); color: var(--c-navy); font-weight: 600; white-space: nowrap; }
.tbl tr:hover td { background: #fbfdff; }

/* 联系 */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; }
.contact-card { background: #fff; border: 1px solid var(--c-line); border-radius: 4px; padding: 34px 32px; }
.contact-card h4 { font-size: 19px; color: var(--c-navy-d); margin-bottom: 22px; }
.contact-card .row { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px dashed var(--c-line); }
.contact-card .row:last-child { border-bottom: 0; }
.contact-card .row .k { flex: 0 0 76px; color: var(--c-text-3); font-size: 14px; }
.contact-card .row .v { color: var(--c-text); font-size: 14.5px; line-height: 1.8; }
.contact-card .row .v b { color: var(--c-navy); }
.form-note { color: var(--c-text-3); font-size: 13px; margin-top: 18px; line-height: 1.8; }

.map-box {
  margin-top: 26px; border: 1px solid var(--c-line); border-radius: 4px; overflow: hidden;
  background: #fff; text-align: center;
}
.map-box .map-canvas {
  position: relative; height: 172px; overflow: hidden;
  background-color: #e9eff7;
  background-image:
    linear-gradient(rgba(14,58,108,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,58,108,.06) 1px, transparent 1px),
    radial-gradient(circle at 58% 44%, rgba(192,138,46,.20), transparent 60%);
  background-size: 32px 32px, 32px 32px, 100% 100%;
}
.map-box .map-canvas::before {
  content: ''; position: absolute; inset: -10%;
  background:
    linear-gradient(74deg, transparent 47%, rgba(14,58,108,.15) 47%, rgba(14,58,108,.15) 49.2%, transparent 49.2%),
    linear-gradient(-40deg, transparent 64%, rgba(14,58,108,.11) 64%, rgba(14,58,108,.11) 66.2%, transparent 66.2%),
    linear-gradient(8deg, transparent 70%, rgba(14,58,108,.09) 70%, rgba(14,58,108,.09) 72%, transparent 72%);
}
.map-box .map-pin {
  position: absolute; left: 50%; top: 46%; width: 24px; height: 24px; margin: -24px 0 0 -12px;
  background: var(--c-gold); border-radius: 50% 50% 50% 0; transform: rotate(-45deg);
  box-shadow: 0 0 0 7px rgba(192,138,46,.16), 0 10px 18px rgba(14,58,108,.18);
}
.map-box .map-pin::after {
  content: ''; position: absolute; left: 50%; top: 50%; width: 7px; height: 7px;
  margin: -3.5px 0 0 -3.5px; background: #fff; border-radius: 50%;
}
.map-box .map-meta { padding: 20px 22px 22px; }
.map-box .map-addr { font-size: 15px; font-weight: 600; color: var(--c-navy-d); margin-bottom: 5px; }
.map-box .map-tip { font-size: 12.5px; color: var(--c-text-3); margin-bottom: 16px; }

/* ---------- 滚动渐显 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

/* 回到顶部 */
.totop {
  position: fixed; right: 26px; bottom: 30px; width: 44px; height: 44px; z-index: 150;
  background: var(--c-navy); color: #fff; border-radius: 3px; display: flex;
  align-items: center; justify-content: center; opacity: 0; visibility: hidden;
  transition: all .3s var(--ease); box-shadow: var(--shadow-m);
}
.totop.on { opacity: 1; visibility: visible; }
.totop:hover { background: var(--c-gold); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero h1 { font-size: 42px; }
  .cap-grid, .svc-grid, .case-grid, .plat-grid, .gallery { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 34px 20px; }
  .flow { grid-template-columns: repeat(4, 1fr); gap: 30px 0; }
  .flow .step:nth-child(4)::after { display: none; }
  .about-grid, .std-wrap, .two-col, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .two-col.rev .t-media { order: 0; }
  .team-wrap { grid-template-columns: 260px 1fr; gap: 34px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .about-badge { left: 0; }
}

@media (max-width: 860px) {
  .nav-menu {
    position: fixed; inset: 74px 0 auto 0; background: #fff; flex-direction: column;
    align-items: stretch; gap: 0; padding: 8px 0 18px; box-shadow: var(--shadow-m);
    transform: translateY(-130%); transition: transform .38s var(--ease); max-height: calc(100vh - 74px);
    overflow-y: auto; border-bottom: 1px solid var(--c-line);
  }
  .nav-menu.on { transform: none; }
  .nav-menu > li > a { line-height: 1.6; padding: 15px 24px; border-bottom: 1px solid var(--c-line); }
  .nav-menu > li > a::after { display: none; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .nav .wrap { height: 64px; }
  .nav-menu { inset: 64px 0 auto 0; }
  .topbar { display: none; }
  .hero { min-height: 560px; height: auto; padding: 96px 0 120px; }
  .hero h1 { font-size: 32px; letter-spacing: 2px; }
  .hero .hero-sub { font-size: 15.5px; }
  .hero-stats { margin-top: -46px; }
  .hero-stats .box { grid-template-columns: repeat(2, 1fr); }
  .hero-stats .item:nth-child(2)::after { display: none; }
  .hero-stats .item { padding: 24px 16px; }
  .hero-stats .num { font-size: 27px; }
  .sec { padding: 64px 0; }
  .sec-head h2, .cta h2 { font-size: 25px; }
  .page-hero { padding: 76px 0 54px; }
  .page-hero h1 { font-size: 28px; }
  .cap-grid, .svc-grid, .case-grid, .plat-grid, .gallery, .stats-grid, .res-list { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow .step::after { display: none; }
  .team-wrap { grid-template-columns: 1fr; }
  .team-photo { max-width: 300px; }
  .footer-top { grid-template-columns: 1fr; }
  .cta .wrap { flex-direction: column; align-items: flex-start; }
  .blk { padding: 56px 0; }
  .tbl { font-size: 13.5px; }
  .tbl th, .tbl td { padding: 11px 12px; }
}

/* ---------- 合作区域 ---------- */
.region-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 38px; }
.region-grid .rg {
  background: #fff; border: 1px solid var(--c-line); border-top: 2px solid var(--c-gold);
  padding: 22px 20px; border-radius: 3px; transition: all .32s var(--ease);
}
.region-grid .rg:hover { transform: translateY(-5px); box-shadow: var(--shadow-s); border-color: transparent; }
.region-grid .rg b { display: block; font-size: 16.5px; color: var(--c-navy-d); letter-spacing: 1px; line-height: 1.6; }
.region-grid .rg span { font-size: 12.5px; color: var(--c-text-3); letter-spacing: 1px; }
.map-links { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 4px; }
.map-links .btn { padding: 10px 18px; font-size: 14px; }
@media (max-width: 1080px) { .region-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px) { .region-grid { grid-template-columns: 1fr; gap: 12px; } }

/* ---------- 新闻动态 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 38px; }
.news-card {
  display: block; background: #fff; border: 1px solid var(--c-line); border-radius: 3px;
  overflow: hidden; text-decoration: none; color: inherit; cursor: default;
  transition: all .32s var(--ease);
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-s); border-color: transparent; }
.news-pic { height: 170px; overflow: hidden; background: var(--c-blue-l); }
.news-pic img { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-body { padding: 20px 22px 24px; }
.news-date { font-size: 12.5px; color: var(--c-gold); letter-spacing: 1px; margin-bottom: 8px; }
.news-title { font-size: 17px; font-weight: 600; color: var(--c-navy-d); line-height: 1.6; margin-bottom: 10px; }
.news-sum { font-size: 13.5px; color: var(--c-text-2); line-height: 1.9; }
@media (max-width: 1080px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px) { .news-grid { grid-template-columns: 1fr; } }