/* ============ 理道慧通 - 全站样式 ============ */
:root {
  --primary: #1a8f43;
  --primary-dark: #0f6b30;
  --primary-darker: #0a5424;
  --primary-light: #e8f5ec;
  --accent: #f0a02e;
  --text: #2b2f33;
  --text-light: #6b7379;
  --bg-light: #f6f9f7;
  --white: #ffffff;
  --border: #e5eae6;
  --shadow: 0 10px 30px rgba(15, 107, 48, 0.08);
  --radius: 14px;
  --maxw: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  background: var(--white);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07); }
.header-inner {
  max-width: none;
  margin: 0 auto;
  padding: 0 110px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo img { height: 46px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  padding: 10px 18px;
  font-size: 16px;
  color: var(--text);
  border-radius: 8px;
  transition: color 0.25s, background 0.25s;
  font-weight: 600;
}
.main-nav a:hover { color: var(--primary); background: var(--primary-light); }
.main-nav a.active { color: var(--primary); font-weight: 700; position: relative; }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 18px; right: 18px; bottom: 4px;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
}
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 14px;
  padding: 11px 26px;
  background: var(--primary);
  color: #fff !important;
  border-radius: 8px;
  font-weight: 600;
  transition: background 0.25s;
}
.header-phone:hover { background: var(--primary-dark); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 42px; height: 42px;
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 8px; right: 8px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}
.nav-toggle span { top: 50%; }
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  display: flex;
  align-items: center;
  background: url("../img/hero-banner.jpg") center right / cover no-repeat;
  color: #fff;
}
/* 仅左侧文字区加蒙版，右侧保持原图通透 */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(7, 42, 20, 0.94) 0%,
    rgba(9, 50, 24, 0.90) 26%,
    rgba(11, 62, 28, 0.74) 40%,
    rgba(13, 74, 34, 0.42) 52%,
    rgba(15, 85, 40, 0.10) 62%,
    rgba(15, 85, 40, 0) 70%);
}
.hero-inner {
  position: relative;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 60px 24px;
}
.hero-tag {
  display: inline-block;
  padding: 5px 16px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 22px;
  background: rgba(255, 255, 255, 0.08);
}
.hero h1 {
  font-size: 36px;
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 14px;
}
.hero h1 em { font-style: normal; color: #ffe9a8; }
.hero .hero-sub {
  font-size: 17px;
  opacity: 0.92;
  margin-bottom: 26px;
  letter-spacing: 1px;
}
.hero-keywords { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-keywords span {
  padding: 7px 20px;
  background: rgba(255, 255, 255, 0.13);
  border-radius: 9px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  transition: 0.25s;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #d98a17; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(240, 160, 46, 0.35); }
.btn-ghost { border: 1.5px solid rgba(255, 255, 255, 0.7); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.14); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- 通用 section ---------- */
.section { padding: 90px 0; }
.section.alt { background: var(--bg-light); }
.section-head { text-align: center; margin-bottom: 56px; }
.section-eyebrow {
  display: inline-block;
  color: var(--primary);
  font-size: 15px;
  letter-spacing: 4px;
  font-weight: 600;
  margin-bottom: 10px;
}
.section-title { font-size: 36px; font-weight: 700; line-height: 1.35; }
.section-desc { color: var(--text-light); margin-top: 14px; font-size: 17px; }

/* ---------- 数据卡（banner 右下角，对标参考站） ---------- */
.stats-card {
  position: absolute;
  right: max(24px, calc((100% - var(--maxw)) / 2 + 24px));
  bottom: 42px;
  z-index: 20;
  background: rgba(8, 28, 16, 0.72);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
  padding: 20px 6px;
  display: grid;
  grid-template-columns: repeat(4, auto);
}
.stats-card > div { text-align: center; padding: 0 26px; }
.stats-card > div + div { border-left: 1px solid rgba(255, 255, 255, 0.18); }
.stat-num { font-size: 26px; font-weight: 700; line-height: 1.2; color: #fff; white-space: nowrap; }
.stat-label { margin-top: 6px; font-size: 13px; opacity: 0.85; letter-spacing: 1px; }

/* ---------- 卡片 ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 16px 36px rgba(15, 107, 48, 0.14); }
.card .icon {
  width: 58px; height: 58px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.card h3 { font-size: 20px; margin-bottom: 12px; }
.card p { color: var(--text-light); font-size: 15px; }
.card .more {
  display: inline-block;
  margin-top: 16px;
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
}
.card .more:hover { text-decoration: underline; }

/* 痛点卡片（对标参考站：上图 + 圆形图标 + 居中文字） */
.pain-card { text-align: center; padding: 0; overflow: hidden; }
.pain-card .pain-img { height: 150px; overflow: hidden; }
.pain-card .pain-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.pain-card:hover .pain-img img { transform: scale(1.05); }
.pain-card .pain-ico {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: -27px auto 14px;
  border: 4px solid var(--white);
  position: relative;
  box-shadow: 0 6px 14px rgba(15, 107, 48, 0.25);
}
.pain-card h3 { font-size: 18px; margin-bottom: 10px; }
.pain-card p {
  color: var(--text-light);
  font-size: 14.5px;
  padding: 0 22px 28px;
  text-align: center;
}

/* ---------- 服务区（背景图+蒙版，对标参考站） ---------- */
.services-band {
  position: relative;
  background: url("../img/hero-banner.jpg") center / cover no-repeat;
}
.services-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 40, 20, 0.93), rgba(13, 62, 30, 0.88));
}
.services-band > .container { position: relative; z-index: 1; }
.services-band .section-eyebrow { color: #9fe3b8; }
.services-band .section-title { color: #fff; }
.services-band .section-desc { color: rgba(255, 255, 255, 0.78); }

/* 服务卡片：白底居中，悬停变绿、文字变白 */
.svc-card {
  position: relative;
  display: block;
  text-align: center;
  padding: 28px 24px 24px;
}
.svc-card .num {
  position: absolute;
  top: 14px; right: 18px;
  font-size: 15px;
  font-weight: 700;
  color: rgba(43, 47, 51, 0.18);
  letter-spacing: 1px;
}
.svc-card .ico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  margin: 0 auto 14px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  transition: background 0.3s, color 0.3s;
}
.svc-card .ico svg { width: 27px; height: 27px; }
.svc-card h3 { font-size: 18px; margin-bottom: 9px; transition: color 0.3s; }
.svc-card p { color: var(--text-light); font-size: 14px; transition: color 0.3s; }
.svc-card .more {
  display: inline-block;
  margin-top: 12px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  transition: color 0.3s;
}
.svc-card:hover { background: var(--primary); border-color: var(--primary); transform: translateY(-6px); }
.svc-card:hover .num { color: rgba(255, 255, 255, 0.35); }
.svc-card:hover .ico { background: rgba(255, 255, 255, 0.16); color: #fff; }
.svc-card:hover h3 { color: #fff; }
.svc-card:hover p { color: rgba(255, 255, 255, 0.88); }
.svc-card:hover .more { color: #fff; }

/* 卡片下方数字呈现区 */
.svc-stats {
  margin-top: 28px;
  background: rgba(6, 28, 14, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  backdrop-filter: blur(4px);
  padding: 22px 10px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.svc-stats > div { text-align: center; padding: 0 12px; }
.svc-stats > div + div { border-left: 1px solid rgba(255, 255, 255, 0.18); }
.svc-stats { color: #fff; }
.svc-stats .stat-num { font-size: 30px; color: #fff; }
.svc-stats .stat-label { margin-top: 5px; font-size: 14px; color: #fff; opacity: 0.85; }

/* ---------- 成功案例区（背景图+蒙版） ---------- */
.cases-band {
  position: relative;
  background: url("../img/activity-5.jpg") center / cover no-repeat;
}
.cases-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 40, 20, 0.93), rgba(13, 62, 30, 0.88));
}
.cases-band > .container { position: relative; z-index: 1; }
.cases-band .section-eyebrow { color: #9fe3b8; }
.cases-band .section-title { color: #fff; }
.cases-band .section-desc { color: rgba(255, 255, 255, 0.78); }

/* ---------- 交付链 / 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; position: relative; }
.steps.five { grid-template-columns: repeat(5, 1fr); }
.step {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
}
.step .step-no {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #35b568);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.step h3 { font-size: 19px; margin-bottom: 10px; }
.step p { font-size: 14.5px; color: var(--text-light); }
.step .badge {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 600;
}

/* ---------- 团队 ---------- */
.team-card { text-align: center; padding: 0 0 30px; overflow: hidden; }
.team-card .photo { height: 320px; overflow: hidden; }
.team-card .photo img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform 0.5s; }
.team-card:hover .photo img { transform: scale(1.05); }
.team-card .info { padding: 24px 26px 0; }
.team-card h3 { font-size: 22px; margin-bottom: 4px; }
.team-card .role { color: var(--primary); font-size: 15px; font-weight: 600; margin-bottom: 12px; }
.team-card p { font-size: 14.5px; color: var(--text-light); text-align: left; }

/* ---------- 案例 ---------- */
.case-card { position: relative; padding: 0; overflow: hidden; display: flex; flex-direction: column; transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.35s; }
.case-card .case-head {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 24px 28px;
  transition: background 0.35s;
}
/* 悬停动效：上浮 + 顶部高光线 + 清单依次点亮 + 箭头右移 */
.case-card::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  height: 3px; width: 0;
  background: var(--accent);
  transition: width 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.case-card:hover { transform: translateY(-10px); box-shadow: 0 22px 44px rgba(4, 32, 15, 0.35); }
.case-card:hover::after { width: 100%; }
.case-card:hover .case-head { background: linear-gradient(135deg, var(--primary-darker), #2aa558); }
.case-card:hover .case-head h3 { transform: translateX(4px); }
.case-card .case-head h3 { transition: transform 0.3s; }
.case-card ul li { transition: transform 0.3s, color 0.3s; }
.case-card:hover ul li { color: var(--text); transform: translateX(6px); }
.case-card:hover ul li:nth-child(1) { transition-delay: 0.04s; }
.case-card:hover ul li:nth-child(2) { transition-delay: 0.10s; }
.case-card:hover ul li:nth-child(3) { transition-delay: 0.16s; }
.case-card:hover ul li:nth-child(4) { transition-delay: 0.22s; }
.case-card:hover ul li::before { color: var(--accent); }
.case-card .more { transition: color 0.3s, letter-spacing 0.3s; display: inline-block; }
.case-card:hover .more { color: var(--accent); }
.case-card .more:hover { text-decoration: none; }
.case-card .case-head .tag { font-size: 13px; opacity: 0.85; letter-spacing: 1px; }
.case-card .case-head h3 { font-size: 21px; margin-top: 6px; }
.case-card .case-body { padding: 24px 28px 28px; flex: 1; display: flex; flex-direction: column; }
.case-card .case-meta { font-size: 14px; color: var(--primary-dark); font-weight: 600; margin-bottom: 12px; }
.case-card ul { flex: 1; }
.case-card ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  font-size: 14.5px;
  color: var(--text-light);
}
.case-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}
.case-card .more { margin-top: 18px; }

/* ---------- 锚点定位（避开吸顶导航） ---------- */
[id] { scroll-margin-top: 96px; }

/* ---------- 服务详情页 ---------- */
.svc-section { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.svc-section + .svc-section { margin-top: 90px; }
.svc-section .pic { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.svc-section h2 { font-size: 28px; margin-bottom: 6px; }
.svc-section .svc-sub { color: var(--primary); font-weight: 600; margin-bottom: 18px; }
.svc-list li {
  position: relative;
  padding: 12px 0 12px 30px;
  border-bottom: 1px dashed var(--border);
  font-size: 15.5px;
}
.svc-list li:last-child { border-bottom: none; }
.svc-list li strong { color: var(--primary-dark); }
.svc-list li::before {
  content: "";
  position: absolute;
  left: 4px; top: 21px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--primary);
}

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; }
.about-grid img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-text h2 { font-size: 30px; margin-bottom: 20px; }
.about-text p { color: var(--text-light); margin-bottom: 14px; text-align: justify; }
.about-points { margin-top: 22px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.about-points div {
  background: var(--primary-light);
  color: var(--primary-dark);
  text-align: center;
  padding: 14px 8px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
}

/* 活动照片墙 */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery .g-item { border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.gallery .g-item:nth-child(1), .gallery .g-item:nth-child(6) { grid-column: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.gallery .g-item:hover img { transform: scale(1.04); }

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(115deg, var(--primary-darker), var(--primary));
  color: #fff;
  padding: 70px 0;
  text-align: center;
}
.cta-band h2 { font-size: 32px; margin-bottom: 12px; }
.cta-band p { opacity: 0.9; margin-bottom: 30px; font-size: 17px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0c2e18; color: rgba(255, 255, 255, 0.82); padding: 64px 0 0; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; padding-bottom: 44px; }
.footer-grid img.logo-white { height: 42px; width: auto; margin-bottom: 18px; }
.site-footer h4 { color: #fff; font-size: 17px; margin-bottom: 18px; font-weight: 600; }
.site-footer li { margin-bottom: 10px; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-qr { display: flex; gap: 18px; }
.footer-qr figure { text-align: center; }
.footer-qr img { width: 108px; height: 108px; border-radius: 8px; background: #fff; padding: 5px; }
.footer-qr figcaption { font-size: 13px; margin-top: 8px; opacity: 0.8; }
.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  text-align: center;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------- 内页大图 banner（对标参考站） ---------- */
.page-banner {
  position: relative;
  overflow: hidden;
  color: #fff;
  min-height: 720px;
  display: flex;
  align-items: center;
  background: var(--primary-dark);
}
.page-banner::before {
  content: "";
  position: absolute; inset: 0;
  background-position: center right;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0.6;
}
.page-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(95deg, rgba(7, 36, 17, 0.95) 0%, rgba(10, 48, 23, 0.86) 38%, rgba(9, 40, 19, 0.52) 68%, rgba(8, 34, 16, 0.28) 100%);
}
.page-banner.pb-services::before { background-image: url("../img/activity-2.jpg"); }
.page-banner.pb-cases::before { background-image: url("../img/activity-4.jpg"); }
.page-banner.pb-team::before { background-image: url("../img/activity-3.jpg"); }
.page-banner.pb-about::before { background-image: url("../img/activity-1.jpg"); }
.page-banner.pb-contact::before { background-image: url("../img/activity-7.jpg"); }
.pb-inner { position: relative; z-index: 2; width: 100%; }
.page-banner .crumbs { font-size: 14px; letter-spacing: 1px; opacity: 0.85; margin-bottom: 28px; }
.page-banner .crumbs a { color: #fff; }
.page-banner .crumbs a:hover { color: #ffd98a; }
.pb-eyebrow {
  display: block;
  font-size: 14px;
  letter-spacing: 4px;
  color: #ffd98a;
  font-weight: 600;
  margin-bottom: 14px;
}
.page-banner h1 {
  font-size: 44px;
  line-height: 1.28;
  font-weight: 700;
  margin-bottom: 18px;
}
.pb-desc {
  font-size: 17px;
  opacity: 0.92;
  max-width: 640px;
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}
.pb-tags { display: flex; gap: 12px; flex-wrap: wrap; }
.pb-tags span {
  padding: 8px 20px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  font-size: 14px;
  letter-spacing: 1px;
}

/* ---------- 详情内容 ---------- */
.detail-block { margin-bottom: 60px; }
.detail-block > h2 {
  font-size: 26px;
  margin-bottom: 8px;
  padding-left: 14px;
  border-left: 5px solid var(--primary);
}
.detail-block .sub { color: var(--text-light); margin-bottom: 24px; padding-left: 19px; }
.panel {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 34px;
}
.panel h3 { color: var(--primary-dark); margin: 18px 0 10px; font-size: 18px; }
.panel h3:first-child { margin-top: 0; }
.panel p, .panel li { color: var(--text-light); font-size: 15.5px; }
.panel ul.dash { padding-left: 20px; list-style: none; }
.panel ul.dash li { position: relative; padding-left: 18px; margin-bottom: 8px; }
.panel ul.dash li::before { content: "—"; position: absolute; left: 0; color: var(--primary); }

/* 案例详情（卡片式：头部 + 客户背景 + 三栏 问题/方案/结果） */
.case-detail {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(15, 60, 30, 0.07);
  overflow: hidden;
  margin-bottom: 44px;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.case-detail:hover { transform: translateY(-4px); box-shadow: 0 20px 46px rgba(15, 60, 30, 0.14); }
.case-detail .cd-head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 30px;
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  color: #fff;
}
.case-detail .cd-no {
  flex: none;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.32);
}
.case-detail .cd-head h2 { font-size: 21px; font-weight: 700; }
.case-detail .cd-bg {
  display: flex;
  gap: 14px;
  padding: 16px 30px;
  background: var(--primary-light);
  border-bottom: 1px solid var(--border);
  font-size: 14.5px;
  color: var(--text);
}
.case-detail .cd-bg-label { flex: none; font-weight: 700; color: var(--primary-dark); }
.case-detail .cd-body { display: grid; grid-template-columns: repeat(3, 1fr); }
.case-detail .cd-col { padding: 24px 26px 28px; border-right: 1px dashed var(--border); }
.case-detail .cd-col:last-child { border-right: none; }
.case-detail .cd-col h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 16.5px;
  margin-bottom: 14px;
  color: var(--text);
}
.case-detail .cd-ico {
  width: 26px; height: 26px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}
.case-detail .cd-prob .cd-ico { background: #fdeceb; color: #d9433f; }
.case-detail .cd-plan .cd-ico { background: #e9f1fd; color: #2f6fd0; }
.case-detail .cd-res { background: #f5fbf7; }
.case-detail .cd-res .cd-ico { background: #e2f5e9; color: var(--primary); }
.case-detail .cd-col ul { list-style: none; }
.case-detail .cd-col li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-light);
}
.case-detail .cd-col li::before { position: absolute; left: 0; }
.case-detail .cd-prob li::before { content: "•"; top: -2px; font-size: 16px; color: #d9433f; }
.case-detail .cd-plan li::before { content: "•"; top: -2px; font-size: 16px; color: #2f6fd0; }
.case-detail .cd-res li { color: var(--text); }
.case-detail .cd-res li::before { content: "✓"; color: var(--primary); font-weight: 700; }

/* 团队详情 */
.member { display: grid; grid-template-columns: 300px 1fr; gap: 44px; margin-bottom: 70px; align-items: start; }
.member .photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.member h2 { font-size: 28px; margin-bottom: 4px; }
.member .role { color: var(--primary); font-weight: 600; margin-bottom: 16px; }
.member p { color: var(--text-light); margin-bottom: 12px; text-align: justify; }
.member h3 { color: var(--primary-dark); font-size: 18px; margin: 20px 0 8px; }
.member ul.dash { padding-left: 4px; }
.member ul.dash li {
  position: relative;
  padding-left: 18px;
  color: var(--text-light);
  margin-bottom: 6px;
  font-size: 15.5px;
}
.member ul.dash li::before { content: "—"; position: absolute; left: 0; color: var(--primary); }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; }
.contact-item {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--border);
}
.contact-item .c-ico {
  flex: none;
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.contact-item h3 { font-size: 17px; margin-bottom: 4px; }
.contact-item p { color: var(--text-light); font-size: 15.5px; }
.qr-panel { text-align: center; }
.qr-panel .panel { margin-top: 26px; }
.qr-panel img { width: 210px; margin: 0 auto 12px; border-radius: 10px; }
.qr-panel .q2 { display: flex; gap: 30px; justify-content: center; }
.qr-panel figure img { width: 180px; }

/* ---------- 动画 ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js .reveal.visible { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .header-inner { padding: 0 48px; }
}
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .steps.five { grid-template-columns: repeat(3, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 38px; }
  .member { grid-template-columns: 240px 1fr; }
}
@media (max-width: 768px) {
  .header-inner { padding: 0 20px; }
  .main-nav {
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    gap: 2px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.1);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 10px; }
  .main-nav a.active::after { display: none; }
  .header-phone { margin: 10px 0 0; justify-content: center; }
  .nav-toggle { display: block; }
  .hero { min-height: 0; }
  .hero-inner { padding: 54px 24px 50px; }
  .hero-tag {
    font-size: 12px;
    letter-spacing: 1px;
    padding: 5px 14px;
    white-space: nowrap;
    margin-bottom: 18px;
  }
  .hero h1 { font-size: 25px; line-height: 1.4; margin-bottom: 12px; }
  .hero .hero-sub { font-size: 14.5px; letter-spacing: 0.5px; margin-bottom: 22px; }
  .hero-keywords { gap: 8px; margin-bottom: 26px; }
  .hero-keywords span { padding: 6px 14px; font-size: 13px; border-radius: 8px; }
  .btn { padding: 11px 26px; font-size: 14.5px; }
  /* 移动端隐藏悬浮数据卡，保证文字区整洁 */
  .stats-card { display: none; }
  .svc-stats { grid-template-columns: repeat(2, 1fr); gap: 20px 0; }
  .svc-stats > div:nth-child(3) { border-left: none; }
  /* 移动端文字占满宽度，蒙层改为整体加深 */
  .hero::before {
    background: linear-gradient(180deg, rgba(7, 42, 20, 0.90) 0%, rgba(9, 54, 25, 0.82) 60%, rgba(9, 54, 25, 0.72) 100%);
  }
  .section { padding: 60px 0; }
  .section-title { font-size: 27px; }
  .grid-4, .grid-3, .grid-2, .steps, .steps.five { grid-template-columns: 1fr; }
  .svc-section, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .svc-section + .svc-section { margin-top: 60px; }
  .member { grid-template-columns: 1fr; }
  .member .photo { max-width: 340px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .about-points { grid-template-columns: repeat(3, 1fr); }
  /* 移动端案例三栏改为堆叠 */
  .case-detail .cd-body { grid-template-columns: 1fr; }
  .case-detail .cd-col { border-right: none; border-bottom: 1px dashed var(--border); }
  .case-detail .cd-col:last-child { border-bottom: none; }
  .case-detail .cd-head { flex-wrap: wrap; padding: 18px 20px; }
  .case-detail .cd-head h2 { font-size: 18px; width: 100%; }
  .case-detail .cd-bg { flex-wrap: wrap; gap: 6px; padding: 14px 20px; }
  .case-detail .cd-col { padding: 20px 20px 22px; }
  /* 移动端内页 banner */
  .page-banner { min-height: 0; padding: 64px 0 56px; }
  .page-banner::before { opacity: 0.4; }
  .page-banner::after {
    background: linear-gradient(180deg, rgba(7, 36, 17, 0.92) 0%, rgba(9, 44, 21, 0.88) 100%);
  }
  .page-banner h1 { font-size: 30px; }
  .page-banner h1 br { display: none; }
  .pb-desc { font-size: 15px; margin-bottom: 22px; }
}