/* =========================================================
   山东云轩项目咨询有限公司 — 清新政务蓝绿主样式
   设计基调: 深青(#1B3A6B) + 青蓝(#2C5C95)
   强调: 薄荷青(#5B9BD5) + 琥珀(#F2C94C)
   风格: 清新政务 · 专业可信 · 衬线标题 · 圆角卡片 · 胶囊按钮
   ========================================================= */

:root {
  --navy: #1B3A6B;
  --navy-light: #2C5C95;
  --navy-dark: #12294D;
  --mint: #5B9BD5;
  --mint-soft: #E8F0FA;
  --blue: #2C5C95;
  --blue-dark: #1B3A6B;
  --blue-soft: #E8F0FA;
  --gold: #F2C94C;
  --gold-light: #F6EED6;
  --gold-dark: #C9971C;
  --gold-soft: #F6EED6;
  --ink: #0F2433;
  --ink-light: #5C7480;
  --paper: #F6F8FB;
  --paper-deep: #E8EFF8;
  --white: #ffffff;
  --line: #D9E2EC;
  --line-light: #EDF2F8;
  --serif: "Microsoft YaHei";
  --sans: "Microsoft YaHei";
  --shadow: 0 2px 12px rgba(18, 41, 77, 0.08);
  --shadow-lg: 0 8px 32px rgba(18, 41, 77, 0.14);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration: none; transition: color .25s; }
a:hover { color: var(--gold-dark); }
ul, ol { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部信息条（极淡浅蓝底 + 小号深色字，弱化不抢眼） ---------- */
.topbar {
  background: #EEF3FA;
  color: #6B7F96;
  font-size: 11.5px;
  letter-spacing: .2px;
  border-bottom: 1px solid #E0E8F2;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 34px; }
.topbar a { color: #6B7F96; }
.topbar a:hover { color: var(--navy); }
.topbar .tb-right { display: flex; gap: 20px; }
.topbar .tb-right i { color: var(--gold-dark); margin-right: 5px; }

/* ---------- 主导航 ---------- */
.site-header {
  background: var(--navy);
  position: sticky; top: 0; z-index: 999;
  box-shadow: 0 2px 16px rgba(17,29,41,.25);
  border-bottom: 3px double var(--gold);
}
.site-header .container { display: flex; align-items: center; height: 74px; }

.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo-img {
  height: 34px; width: auto; flex-shrink: 0;
  display: block;
}

.main-nav { margin-left: auto; display: flex; gap: 4px; }
.main-nav a {
  color: rgba(255,255,255,.85);
  padding: 26px 16px;
  font-size: 15px;
  letter-spacing: .8px;
  position: relative;
  border-bottom: 3px solid transparent;
}
.main-nav a:hover, .main-nav a.active { color: var(--gold); border-bottom-color: var(--gold); }

.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,.7);
  margin-top: 80px;
  border-top: 3px double var(--gold);
}
.footer-main { padding: 56px 0 40px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-main h4 {
  color: var(--gold); font-family: var(--serif); font-size: 15.5px; font-weight: 700;
  letter-spacing: 1px; margin-bottom: 18px;
  position: relative; padding-bottom: 10px;
}
.footer-main h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 2px; background: var(--gold); }
.footer-main p { font-size: 13.5px; line-height: 2; }
.footer-main a { color: rgba(255,255,255,.7); font-size: 13.5px; line-height: 2.2; }
.footer-main a:hover { color: var(--gold); }
.footer-about .fb-mark { height: 30px; width: auto; display: block; margin-bottom: 12px; opacity: .95; }
.footer-about .fb-cn { font-family: var(--serif); font-size: 18px; color: #fff; letter-spacing: 2px; margin-bottom: 6px; }
.footer-about .fb-en { font-size: 10.5px; color: var(--gold); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 14px; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 12px; font-size: 13.5px; line-height: 1.7; }
.footer-contact i { color: var(--gold); margin-top: 3px; width: 16px; text-align: center; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 16px 0;
  font-size: 12.5px;
  text-align: center;
  color: rgba(255,255,255,.45);
}
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--gold); }
.footer-bottom .icp { margin-left: 16px; }

/* ---------- 通用页面头部 ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 55%, var(--navy-light) 100%);
  color: #fff;
  padding: 64px 0 56px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; top: -80px; right: -60px;
  width: 320px; height: 320px;
  border: 2px solid rgba(91,155,213,.18);
  border-radius: 50%;
}
.page-hero::after {
  content: "";
  position: absolute; top: -40px; right: -20px;
  width: 220px; height: 220px;
  border: 2px solid rgba(91,155,213,.12);
  border-radius: 50%;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .crumb { font-size: 12.5px; color: rgba(255,255,255,.55); letter-spacing: 1px; margin-bottom: 14px; }
.page-hero .crumb a { color: var(--gold); }
.page-hero h1 {
  font-family: var(--serif); font-size: 34px; font-weight: 700; letter-spacing: 3px;
  margin-bottom: 12px;
}
.page-hero .sub { font-size: 14.5px; color: rgba(255,255,255,.65); letter-spacing: 1px; max-width: 640px; }
.page-hero .hero-rule {
  width: 72px; height: 3px; background: var(--gold); margin-top: 18px;
}

/* ---------- 章节标题 ---------- */
.section { padding: 72px 0; }
.section.alt { background: var(--paper-deep); }

.section-head { text-align: center; margin-bottom: 48px; }
.section-head .sh-en {
  font-size: 12px; letter-spacing: 5px; text-transform: uppercase;
  color: var(--blue); margin-bottom: 8px;
}
.section-head h2 {
  font-family: var(--serif); font-size: 28px; font-weight: 700;
  color: var(--navy); letter-spacing: 2px; margin-bottom: 14px;
}
.section-head .sh-line { display: flex; align-items: center; justify-content: center; gap: 12px; }
.section-head .sh-line span { display: block; height: 1px; }
.section-head .sh-line .l1 { width: 56px; background: var(--gold); }
.section-head .sh-line .l2 { width: 12px; height: 3px; background: var(--gold); }
.section-head .sh-line .l3 { width: 56px; background: var(--gold); }
.section-head .sh-desc { margin-top: 14px; color: var(--ink-light); font-size: 14px; }

/* ---------- 首页 Hero: 蓝绿渐变 + 热力图背景 + 左侧文字叠加 ---------- */
.hero-map {
  position: relative;
  background: linear-gradient(180deg, #EDF2F8 0%, var(--paper) 45%, var(--paper) 100%);
  padding: 96px 0 100px;
  border-bottom: 1px solid var(--line-light);
  overflow: hidden;
}
/* 热力图全宽铺底, 地图整体右移避开左侧文字（81% 宽不溢出, 山东完整显示） */
.hero-map .map-canvas {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
}
.hero-map .map-canvas #shandongMap {
  width: 81%; height: 100%;
  min-height: 560px;
  margin-left: 19%;   /* 地图整体右移, 避开左侧文字区 */
}
/* 左侧浅色渐变遮罩: 保证文字可读, 右侧自然透出地图 */
.hero-map::before {
  content: "";
  position: absolute; inset: 0;
  z-index: 2;
  background: linear-gradient(100deg, rgba(245,250,250,.94) 0%, rgba(245,250,250,.88) 26%, rgba(245,250,250,.62) 42%, rgba(245,250,250,.25) 58%, rgba(245,250,250,.03) 74%);
  pointer-events: none;
}
.hero-map .container {
  position: relative; z-index: 3;
}
.hm-left { width: 48%; max-width: 600px; }
.hm-left .hm-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--blue); font-size: 12px; letter-spacing: 4px;
  margin-bottom: 22px; text-transform: uppercase;
}
.hm-left .hm-kicker::before { content: ""; width: 30px; height: 2px; background: var(--mint); }
.hm-left h1 {
  font-family: var(--serif);
  font-size: 34px; font-weight: 700; letter-spacing: 2px; line-height: 1.5;
  color: var(--navy-dark); margin-bottom: 18px;
}
.hm-left h1 .hl { color: var(--gold-dark); }
.hm-left p {
  color: var(--ink); font-size: 14.5px; line-height: 2;
  letter-spacing: .5px; margin-bottom: 32px;
}
.hm-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hm-actions .btn { padding: 13px 32px; font-size: 14.5px; letter-spacing: 2px; border-radius: 999px; }
.hm-stats {
  display: flex; gap: 36px; margin-top: 40px;
  padding-top: 24px; border-top: 1px solid var(--line);
}
.hm-stats .hs-item .hs-num { font-size: 28px; font-weight: 700; color: var(--navy); font-family: var(--serif); }
.hm-stats .hs-item .hs-num em { font-style: normal; color: var(--gold-dark); font-size: 18px; }
.hm-stats .hs-item .hs-label { font-size: 12px; color: var(--ink-light); letter-spacing: 1px; margin-top: 4px; }

/* 图例: 右下角悬浮（继续左移, 贴近地图右侧） */
.hm-legend {
  position: absolute; right: 250px; bottom: 30px; z-index: 4;
  background: rgba(255,255,255,.9);
  border: 1px solid var(--line-light);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 12px; color: var(--ink-light);
  display: flex; flex-direction: column; gap: 5px;
  box-shadow: 0 6px 20px rgba(18,41,77,.08);
}
.hm-legend .lg-title { font-size: 11px; letter-spacing: 2px; color: var(--navy); margin-bottom: 2px; }
.hm-legend .lg-row { display: flex; align-items: center; gap: 7px; }
.hm-legend .lg-sq { width: 13px; height: 13px; border-radius: 3px; display: inline-block; }

@media (max-width: 1024px) {
  .hero-map .map-canvas #shandongMap { margin-left: 0; width: 100%; }
  .hero-map::before { background: linear-gradient(180deg, var(--paper) 0%, rgba(245,250,250,.94) 55%, rgba(245,250,250,.75) 75%, rgba(245,250,250,.3) 100%); }
  .hm-left { width: 100%; max-width: 100%; }
  .hm-left h1 { font-size: 30px; }
  .hm-legend { right: 16px; bottom: 20px; }
}
@media (max-width: 768px) {
  .hero-map { padding: 56px 0 60px; }
  .hm-left h1 { font-size: 26px; }
  .hm-stats { gap: 24px; flex-wrap: wrap; }
  .hm-stats .hs-item .hs-num { font-size: 22px; }
  .hero-map .map-canvas #shandongMap { min-height: 480px; }
  .hm-legend { display: none; }
}
/* ---------- 首页 Hero (新版: 蓝绿渐变 + 左文右数据卡, 卡内含山东热力图) ---------- */
.hero-new {
  position: relative;
  background: linear-gradient(135deg, #12294D 0%, #1B3A6B 55%, #2C5C95 100%);
  color: #fff;
  padding: 92px 0 104px;
  overflow: hidden;
}
.hero-new::before {
  content: "";
  position: absolute; top: -120px; right: -80px;
  width: 420px; height: 420px;
  border: 1.5px solid rgba(91,155,213,.14);
  border-radius: 50%;
  pointer-events: none;
}
.hero-new::after {
  content: "";
  position: absolute; bottom: -160px; left: -100px;
  width: 360px; height: 360px;
  border: 1.5px solid rgba(91,155,213,.08);
  border-radius: 50%;
  pointer-events: none;
}
.hero-new .container { position: relative; z-index: 3; display: flex; align-items: center; gap: 48px; }
.hn-left { flex: 1 1 45%; max-width: 560px; }
.hn-left .hn-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  color: #9CC9F0; font-size: 12px; letter-spacing: 4px;
  margin-bottom: 24px; text-transform: uppercase;
}
.hn-left .hn-kicker::before { content: ""; width: 34px; height: 2px; background: #5B9BD5; }
.hn-left h1 {
  font-family: var(--serif);
  font-size: 44px; font-weight: 700; letter-spacing: 2px; line-height: 1.42;
  color: #fff; margin-bottom: 14px;
}
.hn-left h1 .hl { color: #5B9BD5; }
.hn-left .hn-sub {
  font-family: var(--serif); font-size: 22px; font-weight: 600; letter-spacing: 1px;
  color: #9CC9F0; margin-bottom: 18px;
}
.hn-left p {
  color: rgba(222,233,245,.92); font-size: 15px; line-height: 2;
  letter-spacing: .5px; margin-bottom: 32px; max-width: 560px;
}
.hn-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hn-actions .btn { padding: 13px 34px; font-size: 15px; letter-spacing: 2px; border-radius: 999px; }
.hn-actions .btn-mint { background: #5B9BD5; color: #12294D; border-color: #5B9BD5; font-weight: 600; }
.hn-actions .btn-mint:hover { background: #7CB8E8; box-shadow: 0 8px 24px rgba(91,155,213,.35); }
.hn-actions .btn-line { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.hn-actions .btn-line:hover { border-color: #5B9BD5; color: #5B9BD5; }
.hn-stats {
  display: flex; gap: 44px; margin-top: 44px;
  padding-top: 26px; border-top: 1px solid rgba(255,255,255,.16);
}
.hn-stats .hs-item .hs-num { font-size: 30px; font-weight: 700; color: #fff; font-family: var(--serif); font-variant-numeric: tabular-nums; }
.hn-stats .hs-item .hs-num em { font-style: normal; color: #F2C94C; font-size: 18px; }
.hn-stats .hs-item .hs-label { font-size: 12px; color: rgba(222,233,245,.7); letter-spacing: 1px; margin-top: 4px; }

/* 右侧热力图面板（衬于该区域下层，仅展示山东热力图） */
/* 右侧热力图：矢量直出，无背景无框体，zoom=1 完整显示、绝不裁切 */
.hn-map {
  flex: 1 1 55%; max-width: 680px;
  height: 420px;               /* 高度对齐山东地图自然纵横比（≈1.6:1），地图铺满容器 */
  position: relative;
}
.hn-map #shandongMap { width: 100%; height: 100%; }
@media (max-width: 1024px) {
  .hero-new .container { flex-direction: column; gap: 48px; }
  .hn-left { max-width: 100%; }
  .hn-map { max-width: 640px; width: 100%; height: 380px; }
}
@media (max-width: 768px) {
  .hero-new { padding: 64px 0 72px; }
  .hn-left h1 { font-size: 32px; }
  .hn-left .hn-sub { font-size: 19px; }
  .hn-stats { gap: 26px; flex-wrap: wrap; }
  .hn-stats .hs-item .hs-num { font-size: 24px; }
}

/* ---------- 首页 Hero (旧版备用) ---------- */
.home-hero {
  background: linear-gradient(160deg, #12294D 0%, var(--navy) 50%, #2C5C95 100%);
  color: #fff;
  padding: 110px 0 100px;
  position: relative;
  overflow: hidden;
}
.home-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(91,155,213,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,155,213,.05) 1px, transparent 1px);
  background-size: 60px 60px;
}
.home-hero::after {
  content: "云";
  position: absolute; right: -40px; bottom: -110px;
  font-family: var(--serif); font-size: 460px; font-weight: 900;
  color: rgba(255,255,255,.03); line-height: 1;
}
.home-hero .container { position: relative; z-index: 2; display: flex; align-items: center; gap: 60px; }
.hh-left { flex: 1.25; }
.hh-left .hh-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(91,155,213,.5); color: var(--gold);
  font-size: 12.5px; letter-spacing: 3px; padding: 6px 16px; margin-bottom: 26px;
}
.hh-left .hh-kicker::before { content: ""; width: 22px; height: 1px; background: var(--gold); }
.hh-left h1 {
  font-family: var(--serif); font-size: 44px; font-weight: 700; letter-spacing: 4px;
  line-height: 1.45; margin-bottom: 20px;
}
.hh-left h1 .hl { color: var(--gold); }
.hh-left p { color: rgba(255,255,255,.72); font-size: 15.5px; letter-spacing: 1px; max-width: 560px; margin-bottom: 36px; line-height: 2; }
.hh-actions { display: flex; gap: 16px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 34px; font-size: 15px; letter-spacing: 2px;
  border: 1px solid var(--gold); border-radius: 999px; cursor: pointer; transition: all .3s;
}
.btn-gold { background: var(--gold); color: var(--navy-dark); font-weight: 600; }
.btn-gold:hover { background: var(--gold-light); color: var(--navy-dark); box-shadow: 0 6px 24px rgba(242,201,76,.35); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { border-color: var(--mint); color: var(--mint); }
/* 浅色背景上的描边按钮（替代内联 style 的临时写法） */
.btn-outline-navy { background: transparent; color: var(--navy); border-color: var(--navy); border-radius: 999px; }
.btn-outline-navy:hover { background: var(--navy); color: #fff; }
/* 实心藏青按钮 */
.btn-navy { background: var(--navy); color: #fff; border-color: var(--navy); border-radius: 999px; font-weight: 600; }
.btn-navy:hover { background: var(--navy-light); color: #fff; box-shadow: 0 6px 20px rgba(27,58,107,.3); }

.hh-right { flex: 0.75; display: flex; justify-content: center; }
.hh-seal {
  width: 230px; height: 230px; border-radius: 50%;
  border: 2px solid var(--gold);
  position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  background: rgba(255,255,255,.04);
  animation: seal-breathe 5s ease-in-out infinite;
}
.hh-seal::before, .hh-seal::after {
  content: ""; position: absolute; border-radius: 50%; pointer-events: none;
}
.hh-seal::before { inset: 10px; border: 1px dashed rgba(91,155,213,.55); }
.hh-seal::after { inset: 18px; border: 1px solid rgba(91,155,213,.3); }
.hh-seal .seal-top { font-family: var(--serif); color: var(--gold); font-size: 13px; letter-spacing: 6px; margin-bottom: 10px; }
.hh-seal .seal-mid { font-family: var(--serif); color: #fff; font-size: 52px; font-weight: 700; letter-spacing: 6px; line-height: 1.2; }
.hh-seal .seal-bot { color: rgba(255,255,255,.55); font-size: 11.5px; letter-spacing: 4px; margin-top: 12px; }
@keyframes seal-breathe { 0%,100% { transform: scale(1); } 50% { transform: scale(1.02); } }

/* ---------- 服务卡片 ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
/* 首页精选 8 项：4 列网格（含响应式降级） */
.svc-grid-4 { grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 1200px) { .svc-grid-4 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 1024px) { .svc-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .svc-grid-4 { grid-template-columns: 1fr; } }
.service-card {
  background: var(--white); border: 1px solid var(--line-light);
  border-radius: 20px;
  padding: 34px 28px; text-align: center;
  transition: all .35s; position: relative; overflow: hidden;
}
.service-card::before {
  content: ""; position: absolute; top: 0; left: 0; width: 0; height: 3px;
  background: var(--mint); transition: width .4s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--mint); }
.service-card:hover::before { width: 100%; }
.service-card .sc-icon {
  width: 62px; height: 62px; margin: 0 auto 20px;
  background: var(--mint-soft); border: 1px solid rgba(91,155,213,.35); border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue); font-size: 24px;
  transition: all .35s;
}
.service-card:hover .sc-icon { background: var(--navy); color: var(--mint); border-color: var(--navy); }
.service-card h3 { font-family: var(--serif); font-size: 18px; color: var(--navy); margin-bottom: 12px; letter-spacing: 1px; }
.service-card p { color: var(--ink-light); font-size: 13.5px; line-height: 1.9; }

/* ---------- 业绩案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  background: var(--white); border: 1px solid var(--line-light);
  border-radius: 20px;
  overflow: hidden; transition: all .35s;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-cover {
  height: 180px; background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex; align-items: center; justify-content: center;
  color: var(--mint); font-family: var(--serif); font-size: 44px;
  position: relative; overflow: hidden;
}
.case-cover::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(91,155,213,.1) 1px, transparent 1px);
  background-size: 34px 34px;
}
.case-body { padding: 22px 26px 26px; }
.case-body .cb-tag {
  display: inline-block; font-size: 11.5px; color: var(--blue);
  border: 1px solid rgba(91,155,213,.5); border-radius: 999px;
  background: var(--mint-soft);
  padding: 3px 12px; letter-spacing: 1px; margin-bottom: 10px;
}
.case-body h3 { font-family: var(--serif); font-size: 16.5px; color: var(--navy); line-height: 1.6; margin-bottom: 8px; }
.case-body .cb-co { font-size: 13px; color: var(--ink-light); }

/* ---------- 客户墙 ---------- */
.client-wall {
  background: var(--white); border-top: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light);
  padding: 56px 0;
}
.client-grid {
  display: flex; flex-wrap: wrap; gap: 22px; justify-content: center; align-items: center;
}
.client-grid img {
  height: 56px; width: auto; max-width: 170px; object-fit: contain;
  opacity: .8; filter: grayscale(25%);
  transition: all .3s ease;
  background: var(--paper); border: 1px solid var(--line-light);
  border-radius: 6px; padding: 10px 18px;
}
.client-grid img:hover {
  opacity: 1; filter: grayscale(0);
  border-color: var(--gold); box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.client-chip {
  border: 1px solid var(--line); padding: 10px 22px;
  font-family: var(--serif); font-size: 14px; color: var(--ink-light);
  background: var(--paper); letter-spacing: 1px;
  transition: all .3s;
}
.client-chip:hover { border-color: var(--gold); color: var(--gold-dark); background: var(--white); }

/* ---------- 首页新闻公告双栏 ---------- */
.dual-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.dual-col > .col-block { min-width: 0; }
.col-block h3 {
  font-family: var(--serif); font-size: 21px; color: var(--navy);
  display: flex; align-items: center; gap: 12px; margin-bottom: 24px; letter-spacing: 2px;
}
.col-block h3::before { content: ""; width: 6px; height: 22px; background: var(--mint); border-radius: 3px; }
.col-block .more { margin-left: auto; font-size: 13px; color: var(--ink-light); font-family: var(--sans); font-weight: 400; letter-spacing: 0; }
.col-block .more:hover { color: var(--blue); }
.news-mini-list li { border-bottom: 1px dashed var(--line); padding: 13px 0; display: flex; gap: 14px; align-items: baseline; }
.news-mini-list li:last-child { border-bottom: none; }
.news-mini-list .nm-date { color: var(--blue); font-size: 12.5px; white-space: nowrap; font-variant-numeric: tabular-nums; flex-shrink: 0; }
.news-mini-list .nm-title { font-size: 14.5px; color: var(--ink); flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.news-mini-list a:hover .nm-title { color: var(--blue); }
.news-mini-list .nm-cat { font-size: 11px; color: var(--blue); border: 1px solid var(--blue); border-radius: 999px; padding: 0 8px; flex-shrink: 0; white-space: nowrap; line-height: 20px; }

/* ---------- 列表页 ---------- */
.list-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px; flex-wrap: wrap; gap: 16px; }
.toolbar-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.search-box { position: relative; }
.search-box input {
  width: 220px; padding: 9px 34px 9px 16px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--white); font-size: 13.5px; font-family: var(--sans); color: var(--ink);
  outline: none; transition: border-color .25s, box-shadow .25s;
}
.search-box input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(242,201,76,.12); }
.search-box input::placeholder { color: var(--ink-light); }
.search-box i {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  color: var(--gold-dark); font-size: 13px; pointer-events: none;
}
@media (max-width: 768px) {
  .search-box { flex: 1 1 100%; }
  .search-box input { width: 100%; }
}
.filter-tabs { display: flex; gap: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--white); }
.filter-tabs button {
  background: none; border: none; padding: 10px 24px; font-size: 14px;
  color: var(--ink-light); cursor: pointer; letter-spacing: 1px; font-family: var(--sans);
  transition: all .25s; border-right: 1px solid var(--line-light);
}
.filter-tabs button:last-child { border-right: none; }
.filter-tabs button:hover { color: var(--navy); }
.filter-tabs button.active { background: var(--navy); color: var(--gold); }

.article-list { background: var(--white); border: 1px solid var(--line-light); border-radius: 20px; overflow: hidden; }
.article-item {
  display: flex; gap: 22px; padding: 26px 30px;
  border-bottom: 1px solid var(--line-light); transition: background .25s;
}
.article-item:last-child { border-bottom: none; }
.article-item:hover { background: var(--paper); }
.article-item .ai-date {
  text-align: center; flex-shrink: 0; width: 72px;
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 0; align-self: flex-start;
}
.article-item .ai-date .d { font-family: var(--serif); font-size: 26px; font-weight: 700; color: var(--navy); line-height: 1.2; }
.article-item .ai-date .m { font-size: 11.5px; color: var(--gold-dark); letter-spacing: 1px; }
.article-item .ai-body { flex: 1; }
.article-item .ai-body h3 { font-family: var(--serif); font-size: 17px; color: var(--navy); margin-bottom: 8px; line-height: 1.5; }
.article-item .ai-body h3 a:hover { color: var(--gold-dark); }
.article-item .ai-body .ai-sum { font-size: 13.5px; color: var(--ink-light); line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-item .ai-body .ai-meta { margin-top: 8px; font-size: 12px; color: var(--ink-light); }
.article-item .ai-body .ai-meta .cat { color: var(--gold-dark); border: 1px solid var(--gold); padding: 1px 8px; margin-right: 10px; font-size: 11px; }

/* ---------- 详情页（内容区加宽 1200px + 现代排版） ---------- */
.detail-wrap {
  max-width: 1200px; margin: 0 auto; background: var(--white);
  border: 1px solid var(--line-light); border-radius: 20px;
  box-shadow: 0 12px 44px rgba(14, 34, 55, .08);
  padding: 56px 64px 52px;
}
/* 标题区：左对齐 + 金色饰线 */
.detail-head { padding-bottom: 30px; border-bottom: 1px solid var(--line); margin-bottom: 38px; position: relative; }
.detail-head::after {
  content: ""; position: absolute; left: 0; bottom: -1px;
  width: 76px; height: 3px; border-radius: 2px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold));
}
.detail-head h1 {
  font-family: var(--serif); font-size: 28px; color: var(--navy);
  line-height: 1.5; letter-spacing: 1px; margin: 0 0 18px; font-weight: 700;
}
.detail-head .dh-meta { display: flex; flex-wrap: wrap; gap: 10px 0; font-size: 13px; color: var(--ink-light); }
.detail-head .dh-meta span { display: inline-flex; align-items: center; margin-right: 28px; }
.detail-head .dh-meta span:last-child { margin-right: 0; }
.detail-head .dh-meta i { color: var(--gold-dark); margin-right: 6px; }
/* 正文：字号与行距提升，h2 加金色侧标 */
.detail-body { font-size: 16px; line-height: 2; color: #2b3a47; }
.detail-body p { margin-bottom: 20px; text-align: justify; }
.detail-body h2, .detail-body h3 { font-family: var(--serif); color: var(--navy); margin: 32px 0 16px; }
.detail-body h2 { font-size: 22px; padding-left: 13px; border-left: 4px solid var(--gold); }
.detail-body h3 { font-size: 18px; }
.detail-body img { margin: 24px auto; border-radius: 12px; box-shadow: 0 6px 24px rgba(14, 34, 55, .1); }
.detail-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14.5px; }
.detail-body th, .detail-body td { border: 1px solid var(--line); padding: 10px 16px; text-align: left; }
.detail-body th { background: var(--navy); color: #fff; font-weight: 500; }
.detail-body tr:nth-child(even) td { background: var(--paper); }
.detail-body blockquote {
  border-left: 3px solid var(--gold); background: var(--paper);
  padding: 16px 24px; margin: 20px 0; color: var(--ink-light); font-size: 15px;
  border-radius: 0 10px 10px 0;
}
.detail-body ul, .detail-body ol { margin: 16px 0 20px; padding-left: 30px; }
.detail-body ul li { list-style: disc; margin-bottom: 8px; }
.detail-body ol li { list-style: decimal; margin-bottom: 8px; }
.detail-body a { color: var(--gold-dark); }
.detail-body a:hover { color: var(--navy); }
.detail-body strong { color: var(--navy); }
/* 上一篇/下一篇：卡片式 */
.detail-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
  margin-top: 48px; padding-top: 30px; border-top: 1px solid var(--line);
}
.detail-nav a {
  display: block; min-width: 0;
  background: var(--paper); border: 1px solid var(--line-light); border-radius: 14px;
  padding: 16px 22px; font-size: 13.5px; color: var(--ink-light);
  transition: all .25s ease;
}
.detail-nav a:hover {
  background: var(--white); border-color: var(--navy-light); color: var(--navy);
  box-shadow: 0 8px 22px rgba(18, 41, 77, .1); transform: translateY(-2px);
}
.detail-nav a .dir { display: block; font-size: 11.5px; color: var(--gold-dark); letter-spacing: 2px; margin-bottom: 6px; }
.detail-nav a .t { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.detail-nav a.dn-next { text-align: right; }

/* ---------- 关于我们 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-prose { font-size: 15px; line-height: 2.1; color: var(--ink); }
.about-prose p { margin-bottom: 16px; text-align: justify; text-indent: 2em; }
.about-prose .lead { font-family: var(--serif); font-size: 18px; color: var(--navy); line-height: 2; }

.virtue-list { display: grid; gap: 22px; }
.virtue-item {
  background: var(--white); border: 1px solid var(--line-light);
  border-radius: 16px; padding: 26px 28px; display: flex; gap: 18px; transition: all .3s;
}
.virtue-item:hover { border-color: var(--gold); box-shadow: var(--shadow); }
.virtue-item .vi-icon {
  width: 52px; height: 52px; flex-shrink: 0; border: 1px solid var(--gold);
  color: var(--gold-dark); display: flex; align-items: center; justify-content: center;
  font-size: 20px; background: var(--paper);
}
.virtue-item h4 { font-family: var(--serif); font-size: 17px; color: var(--navy); margin-bottom: 8px; }
.virtue-item p { font-size: 13.5px; color: var(--ink-light); line-height: 1.9; }

/* ---------- 发展历程 ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 40px; }
.timeline::before {
  content: ""; position: absolute; left: 10px; top: 6px; bottom: 6px;
  width: 2px; background: var(--line);
}
.tl-item { position: relative; padding-bottom: 40px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -36px; top: 6px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--paper); border: 3px solid var(--gold);
}
.tl-item .tl-year { font-family: var(--serif); font-size: 22px; font-weight: 700; color: var(--gold-dark); margin-bottom: 8px; }
.tl-item .tl-title { font-family: var(--serif); font-size: 16.5px; color: var(--navy); margin-bottom: 6px; }
.tl-item .tl-desc { font-size: 14px; color: var(--ink-light); line-height: 1.9; }

/* ---------- 资质证书 ---------- */
.qual-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.qual-card {
  background: var(--white); border: 2px solid var(--navy);
  border-radius: 16px; padding: 30px 24px; text-align: center; position: relative;
  transition: all .3s;
}
.qual-card::after {
  content: ""; position: absolute; inset: 6px; border: 1px solid var(--mint); border-radius: 10px; pointer-events: none;
}
.qual-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.qual-card .qc-icon { font-size: 30px; color: var(--gold-dark); margin-bottom: 14px; }
.qual-card h4 { font-family: var(--serif); font-size: 16.5px; color: var(--navy); margin-bottom: 8px; }
.qual-card p { font-size: 13px; color: var(--ink-light); line-height: 1.8; }

/* ---------- 业绩成果 ---------- */
.achv-group { margin-bottom: 56px; }
.achv-group-head {
  display: flex; align-items: center; gap: 16px;
  border-bottom: 2px solid var(--navy); padding-bottom: 12px; margin-bottom: 24px;
}
.achv-group-head .ag-num {
  font-family: var(--serif); font-size: 20px; font-weight: 700; color: var(--gold-dark);
  border: 1px solid var(--gold); padding: 2px 12px; letter-spacing: 2px;
}
.achv-group-head h3 { font-family: var(--serif); font-size: 21px; color: var(--navy); letter-spacing: 1px; }
.achv-group-head .ag-count { margin-left: auto; font-size: 13px; color: var(--ink-light); }
.achv-table { width: 100%; border-collapse: collapse; background: var(--white); border: 1px solid var(--line-light); font-size: 14px; }
.achv-table th {
  background: var(--navy); color: #fff; font-weight: 500; text-align: left;
  padding: 12px 18px; letter-spacing: 1px; font-size: 13.5px;
}
.achv-table td { padding: 11px 18px; border-bottom: 1px solid var(--line-light); color: var(--ink); }
.achv-table tr:nth-child(even) td { background: var(--paper); }
.achv-table tr:hover td { background: var(--paper-deep); }
.achv-table .ta-no { color: var(--gold-dark); font-size: 12.5px; white-space: nowrap; }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-info .ci-item { display: flex; gap: 18px; margin-bottom: 30px; }
.contact-info .ci-icon {
  width: 52px; height: 52px; flex-shrink: 0; border: none;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: var(--mint); border-radius: 14px;
  display: flex; align-items: center; justify-content: center; font-size: 19px;
}
.contact-info .ci-label { font-size: 12px; color: var(--ink-light); letter-spacing: 2px; margin-bottom: 4px; }
.contact-info .ci-value { font-family: var(--serif); font-size: 17px; color: var(--navy); }
.contact-info .ci-value.phone { font-size: 22px; color: var(--gold-dark); font-family: var(--sans); font-weight: 700; letter-spacing: 1px; }

.contact-form {
  background: var(--white); border: 1px solid var(--line-light); border-radius: 20px; padding: 36px 38px;
}
.contact-form h3 { font-family: var(--serif); font-size: 20px; color: var(--navy); margin-bottom: 6px; letter-spacing: 1px; }
.contact-form .cf-tip { font-size: 12.5px; color: var(--ink-light); margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; color: var(--ink-light); margin-bottom: 7px; letter-spacing: 1px; }
.form-group label i { color: var(--gold-dark); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 14px; font-family: var(--sans); color: var(--ink);
  background: var(--paper); outline: none; transition: border-color .25s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--gold); background: #fff; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit {
  background: var(--navy); color: #fff; border: 1px solid var(--navy); border-radius: 999px;
  padding: 13px 44px; font-size: 15px; letter-spacing: 3px; cursor: pointer;
  transition: all .3s; font-family: var(--sans);
}
.form-submit:hover { background: var(--navy-light); color: #fff; }

.form-msg { padding: 12px 16px; margin-bottom: 18px; font-size: 14px; display: none; }
.form-msg.ok { display: block; background: #eef7ee; border: 1px solid #bcdcbc; color: #2e6b2e; }
.form-msg.err { display: block; background: #fdf0f0; border: 1px solid #eccccc; color: #8c2e2e; }

/* ---------- 公告卡片(首页) ---------- */
.announce-tag {
  display: inline-block; font-size: 11px; padding: 0 10px;
  border: 1px solid var(--navy); color: var(--navy); border-radius: 999px; flex-shrink: 0;
  white-space: nowrap; line-height: 20px;
}

/* ---------- 页脚回顶 ---------- */
.back-top {
  position: fixed; right: 28px; bottom: 28px; z-index: 998;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--navy); color: var(--gold); border: 1px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; visibility: hidden; transition: all .35s; font-size: 16px;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--mint); color: var(--navy-dark); border-color: var(--mint); }

/* ---------- 分页 ---------- */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; align-items: center; }
.pagination button {
  min-width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 10px; background: var(--white);
  color: var(--ink); font-size: 14px; cursor: pointer; transition: all .25s; font-family: var(--sans);
}
.pagination button:hover { border-color: var(--gold); color: var(--gold-dark); }
.pagination button.active { background: var(--navy); color: var(--gold); border-color: var(--navy); }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }
.pagination .pg-ellipsis { color: var(--ink-light); padding: 0 2px; user-select: none; }

/* ---------- 空状态 ---------- */
.empty-state { text-align: center; padding: 70px 20px; color: var(--ink-light); }
.empty-state i { font-size: 40px; color: var(--line); margin-bottom: 14px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .home-hero h1 { font-size: 36px; }
  .hh-right { display: none; }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed; top: 0; right: -280px; width: 280px; height: 100vh;
    background: var(--navy-dark); flex-direction: column; padding: 80px 24px;
    transition: right .35s; z-index: 1000; gap: 6px;
  }
  .main-nav.open { right: 0; }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); border-bottom-color: rgba(255,255,255,.08); font-size: 16px; }
  .nav-toggle { display: block; margin-left: auto; }
  .dual-col { grid-template-columns: 1fr; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .service-grid, .case-grid, .qual-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .home-hero { padding: 70px 0; }
  .home-hero h1 { font-size: 30px; }
  .detail-wrap { padding: 28px 22px; }
  .detail-head h1 { font-size: 22px; }
  .detail-nav { grid-template-columns: 1fr; }
  .detail-nav a.dn-next { text-align: left; }
  .form-row { grid-template-columns: 1fr; }
  .article-item { flex-direction: column; padding: 22px; }
  .article-item .ai-date { width: 100%; display: flex; gap: 10px; align-items: center; justify-content: center; }
  .topbar .tb-right .tb-hide { display: none; }
  .section { padding: 56px 0; }
}

/* =========================================================
   业绩成果页 - 附录式学术设计 (参考原站 academic.css)
   ========================================================= */
.achv-index-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; margin-bottom: 34px; padding-bottom: 20px;
  border-bottom: 2px solid var(--line);
}
.achv-index-title { font-family: var(--sans); font-size: 1.85rem; font-weight: 600; color: var(--navy-dark); margin: 0 0 6px; }
.achv-index-title-en { font-family: var(--sans); font-size: 0.9rem; color: var(--ink-light); font-style: italic; }
.achv-index-total {
  display: flex; align-items: baseline; gap: 8px;
  border: 1px solid var(--line); border-radius: 3px; background: var(--white);
  padding: 12px 24px; box-shadow: var(--shadow);
}
.achv-index-total .ai-num { font-size: 2.1rem; font-weight: 700; color: var(--navy); line-height: 1; }
.achv-index-total .ai-label { font-size: 0.9rem; color: var(--ink-light); }
.achv-summary-strip { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.achv-summary-chip {
  font-size: 0.83rem; color: var(--ink-light);
  border: 1px solid var(--line); border-radius: 20px; background: var(--white);
  padding: 7px 16px; transition: all .2s ease; cursor: pointer;
}
.achv-summary-chip:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.achv-summary-chip b { color: var(--navy); font-weight: 700; margin-right: 5px; }
.achv-summary-chip.active { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.achv-group { margin-bottom: 40px; }
.achv-section-head {
  display: flex; align-items: baseline; gap: 14px;
  margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.achv-section-num {
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.14em;
  color: var(--gold); border: 1px solid var(--gold); padding: 2px 12px; border-radius: 3px;
  flex-shrink: 0;
}
.achv-section-title { font-family: var(--sans); font-size: 1.25rem; font-weight: 600; color: var(--navy); margin: 0; }
.achv-section-title-en { margin-left: auto; font-size: 0.78rem; color: var(--ink-light); letter-spacing: 0.1em; }
.achv-table {
  border: 1px solid var(--line); border-radius: 4px; overflow: hidden;
  background: var(--white); box-shadow: var(--shadow);
}
.achv-table .at-row {
  display: grid; grid-template-columns: 70px 1fr 250px;
  align-items: center; gap: 16px; padding: 12px 22px;
  border-bottom: 1px solid var(--line); transition: background .18s ease;
}
.achv-table .at-row:nth-child(even):not(.at-head) { background: rgba(246, 248, 251, 0.7); }
.achv-table .at-row:last-child { border-bottom: none; }
.achv-table .at-row:hover { background: var(--blue-soft); }
.achv-table .at-row.at-head {
  background: var(--navy); border-bottom: none;
  font-size: 0.8rem; color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.12em; padding-top: 13px; padding-bottom: 13px;
}
.achv-table .at-no { font-size: 0.9rem; color: var(--gold-dark); font-weight: 700; font-variant-numeric: tabular-nums; }
.achv-table .at-name { font-size: 1rem; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.achv-table .at-type { justify-self: end; font-size: 0.85rem; color: var(--ink-light); }
.achv-footnote { margin-top: 30px; font-size: 0.85rem; color: var(--ink-light); }
.achv-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.achv-filter .af-btn {
  padding: 6px 16px; font-size: 13px; border: 1px solid var(--line);
  border-radius: 20px; background: var(--white); color: var(--ink-light); cursor: pointer;
  transition: all .2s;
}
.achv-filter .af-btn:hover { border-color: var(--blue); color: var(--blue); }
.achv-filter .af-btn.active { background: var(--navy); color: var(--gold); border-color: var(--navy); }
@media (max-width: 768px) {
  .achv-table .at-row { grid-template-columns: 50px 1fr; }
  .achv-table .at-type { display: none; }
}

/* =========================================================
   美化增强层 (v2)
   - 可访问性: 键盘焦点可见样式 (WCAG 2.1 2.4.7)
   - 动效: 节流滚动显现 + 减少动态效果偏好
   - 细节: 链接下划线过渡、按钮动效统一
   ========================================================= */

/* 键盘焦点指示 (仅键盘操作时显示, 鼠标点击不打扰) */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}
.main-nav a:focus-visible { outline-color: var(--gold-light); }
.btn:focus-visible, .form-submit:focus-visible { outline: 2px solid var(--gold-dark); outline-offset: 3px; }

/* 链接下划线动效 (仅文字链接) */
.article-item .ai-body h3 a,
.news-mini-list .nm-title,
.detail-body a {
  background-image: linear-gradient(var(--gold-dark), var(--gold-dark));
  background-repeat: no-repeat;
  background-size: 0 1px;
  background-position: left 96%;
  transition: background-size .3s ease, color .25s;
}
.article-item .ai-body h3 a:hover,
.news-mini-list a:hover .nm-title,
.detail-body a:hover { background-size: 100% 1px; }

/* 滚动显现 (节流: 仅对首屏以下区块) */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s cubic-bezier(.22,.61,.36,1);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

/* 卡片悬浮阴影统一 */
.service-card, .case-card, .qual-card, .sys-card, .virtue-item {
  box-shadow: 0 1px 0 rgba(18,41,77,.03);
}
.service-card:hover, .case-card:hover { box-shadow: 0 18px 44px rgba(18,41,77,.16); }

/* 图片圆角与边框统一 (案例/客户墙) */
.client-grid img { border-radius: 8px; }
.case-cover img { transition: transform .5s ease; }
.case-card:hover .case-cover img { transform: scale(1.05); }
.case-cover { overflow: hidden; }

/* 移动端侧滑菜单遮罩动画 */
#navMask { opacity: 0; transition: opacity .3s ease; }
#navMask[style*="block"] { opacity: 1; }

/* 减少动态效果偏好 (WCAG 2.3.3 / 2.2.2) */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   画布设计稿落地 - 内页版式补充样式 (v2026.08)
   ========================================================= */

/* 内页横幅装饰线 → 薄荷青 */
.page-hero .hero-rule { background: var(--mint); }

/* 资质荣誉卡 → 横向布局（图标 + 内容，对齐画布稿） */
.qual-card {
  display: flex; align-items: center; gap: 18px;
  text-align: left; padding: 28px 24px;
}
.qual-card::after { inset: 6px; }
.qual-card .qc-icon {
  flex-shrink: 0; width: 56px; height: 56px; margin: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; color: #fff;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: 14px;
}
.qual-card h4 { margin-bottom: 6px; }
@media (max-width: 768px) {
  .qual-card { flex-direction: column; text-align: center; }
}

/* 发展历程时间线 → 对齐画布稿配色 */
.timeline::before { background: var(--line); }
.tl-item::before { border-color: var(--mint); background: var(--white); }
.tl-item .tl-year { color: var(--blue); }
.tl-item .tl-title { color: var(--navy); }

/* 关于我们：公司简介右侧亮点信息卡 */
.about-grid { grid-template-columns: 1.25fr 0.75fr; }
.about-points { display: flex; flex-direction: column; gap: 16px; }
.about-points .ap-card {
  background: var(--white); border: 1px solid var(--line-light);
  border-radius: 16px; padding: 20px 22px;
  display: flex; align-items: center; gap: 16px;
  transition: all .3s; box-shadow: var(--shadow);
}
.about-points .ap-card:hover { transform: translateX(4px); border-color: var(--mint); }
.about-points .ap-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: var(--mint); font-size: 19px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
}
.about-points .ap-label { font-size: 12px; color: var(--ink-light); letter-spacing: 1px; margin-bottom: 3px; }
.about-points .ap-value { font-family: var(--serif); font-size: 16px; font-weight: 600; color: var(--navy); line-height: 1.5; }
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; } }

/* 关于我们：核心价值 4 卡（独立区块，画布稿样式） */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card {
  background: var(--white); border: 1px solid var(--line-light);
  border-radius: 20px; padding: 32px 26px; text-align: center;
  transition: all .35s;
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--mint); }
.value-card .vc-icon {
  width: 60px; height: 60px; margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: var(--mint); font-size: 24px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
}
.value-card h3 { font-family: var(--serif); font-size: 18px; color: var(--navy); margin-bottom: 10px; letter-spacing: 1px; }
.value-card p { font-size: 13.5px; color: var(--ink-light); line-height: 1.9; }
@media (max-width: 1024px) { .value-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .value-grid { grid-template-columns: 1fr; } }

/* 核心业务页：横向服务卡（图标左 + 文字右，对齐画布稿服务目录） */
.service-card.horiz {
  display: flex; align-items: center; gap: 18px;
  text-align: left; padding: 26px 24px;
}
.service-card.horiz .sc-icon { margin: 0; flex-shrink: 0; }
.service-card.horiz h3 { margin-bottom: 8px; }
.service-card.horiz p { font-size: 13.5px; line-height: 1.85; }

/* 业绩成果页：统计条 4 数字卡 */
.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
  margin-bottom: 48px;
}
.stat-strip .ss-card {
  background: var(--white); border: 1px solid var(--line-light);
  border-radius: 18px; padding: 26px 20px; text-align: center;
  box-shadow: var(--shadow); transition: all .3s;
}
.stat-strip .ss-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stat-strip .ss-num {
  font-size: 34px; font-weight: 700; color: var(--navy);
  font-family: var(--serif); line-height: 1.2; font-variant-numeric: tabular-nums;
}
.stat-strip .ss-label { font-size: 13px; color: var(--ink-light); margin-top: 6px; letter-spacing: 1px; }
@media (max-width: 768px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

/* 新闻动态页：左列表 + 右侧栏 */
.news-layout { display: grid; grid-template-columns: 1fr 340px; gap: 32px; align-items: start; }
/* 侧栏整块滚动固定（搜索 + 热门公告 + 服务分类），吸附在导航下方 */
.news-side {
  display: flex; flex-direction: column; gap: 20px;
  position: sticky; top: 92px;
  max-height: calc(100vh - 112px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.news-side::-webkit-scrollbar { width: 6px; }
.news-side::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
.news-side::-webkit-scrollbar-track { background: transparent; }
/* 侧栏搜索卡片：输入框占满卡片宽度 */
.side-search .search-box input { width: 100%; }
.news-side .side-card {
  background: var(--white); border: 1px solid var(--line-light);
  border-radius: 18px; padding: 24px; box-shadow: var(--shadow);
}
.news-side .side-card h3 {
  font-family: var(--serif); font-size: 17px; color: var(--navy);
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 2px solid var(--line-light);
  position: relative;
}
.news-side .side-card h3::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 40px; height: 2px; background: var(--mint);
}
.side-hot-item {
  display: flex; gap: 12px; align-items: baseline;
  padding: 10px 0; border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
}
.side-hot-item:last-child { border-bottom: none; }
.side-hot-item .sh-date { color: var(--blue); font-size: 12px; flex-shrink: 0; font-variant-numeric: tabular-nums; }
.side-hot-item .sh-title { color: var(--ink); line-height: 1.6; }
.side-hot-item:hover .sh-title { color: var(--blue); }
.side-cats { display: flex; flex-wrap: wrap; gap: 8px; }
.side-cats a {
  font-size: 12.5px; color: var(--blue);
  background: var(--mint-soft); border: 1px solid rgba(91,155,213,.35);
  border-radius: 999px; padding: 6px 14px; transition: all .25s;
}
.side-cats a:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
@media (max-width: 1024px) {
  .news-layout { grid-template-columns: 1fr; }
  .news-side { position: static; max-height: none; overflow: visible; }
}

/* CTA 横幅（对齐画布稿：渐变 + 文案 + 琥珀按钮） */
.cta-banner {
  border-radius: 24px; overflow: hidden; position: relative;
  background: linear-gradient(135deg, #12294D 0%, #1B3A6B 55%, #2C5C95 100%);
  color: #fff; padding: 52px 64px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  box-shadow: 0 20px 48px rgba(18,41,77,.22);
}
.cta-banner::before {
  content: ""; position: absolute; right: -60px; top: -80px;
  width: 260px; height: 260px; border-radius: 50%;
  border: 1.5px solid rgba(91,155,213,.18); pointer-events: none;
}
.cta-banner h3 {
  font-family: var(--serif); font-size: 24px; font-weight: 700;
  letter-spacing: 1px; margin-bottom: 8px; position: relative; z-index: 1;
}
.cta-banner p { font-size: 14px; color: rgba(222,233,245,.85); position: relative; z-index: 1; }
.cta-banner .cta-btn {
  flex-shrink: 0; position: relative; z-index: 1;
  background: #F2C94C; color: #4A3A00;
  font-size: 15px; font-weight: 600; letter-spacing: 2px;
  border-radius: 999px; padding: 14px 38px; text-decoration: none;
  transition: all .3s;
}
.cta-banner .cta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(242,201,76,.4); }
@media (max-width: 768px) {
  .cta-banner { flex-direction: column; text-align: center; padding: 40px 28px; }
}