/* ==========================================================
   江华湘大口腔 · 企业官网
   设计系统：简约大气 / 医疗青绿
   ========================================================== */

:root {
  /* 品牌色 */
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --primary-deep: #115e59;
  --primary-light: #f0fdfa;
  --primary-mist: #ccfbf1;
  --accent: #14b8a6;

  /* 中性色 */
  --dark: #0f172a;
  --text: #334155;
  --text-light: #64748b;
  --bg: #ffffff;
  --bg-soft: #f6faf9;
  --bg-gray: #f8fafc;
  --border: #e2e8f0;

  /* 布局 */
  --container: 1200px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 56px rgba(13, 148, 136, 0.16);
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(13, 148, 136, 0.28);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(13, 148, 136, 0.36);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.btn-lg {
  padding: 16px 38px;
  font-size: 16px;
}

/* ---------- 区块 ---------- */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--bg-soft);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid var(--primary-mist);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-light);
  font-size: 16px;
}

/* ---------- 导航栏 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.35s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 6px 16px rgba(13, 148, 136, 0.3);
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.brand-logo.has-photo {
  color: transparent;
  text-shadow: none;
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: 2px;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 6px 0;
  transition: color 0.25s;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-tel {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--primary-dark);
  font-size: 15px;
}

.header-tel svg {
  width: 18px;
  height: 18px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 页头横幅（内页） ---------- */
.page-hero {
  padding: 170px 0 88px;
  background: linear-gradient(160deg, #ecfdf9 0%, #f8fafc 55%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.12), transparent 70%);
  top: -160px;
  right: -120px;
}

.page-hero::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.1), transparent 70%);
  bottom: -120px;
  left: -80px;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 14px;
}

.page-hero p {
  font-size: 17px;
  color: var(--text-light);
  max-width: 560px;
}

.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 20px;
}

.crumb a {
  color: var(--primary);
  font-weight: 500;
}

.crumb span {
  color: #94a3b8;
}

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  padding: 160px 0 96px;
  background: linear-gradient(150deg, #eefbf8 0%, #f5fbfc 45%, #ffffff 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--primary-mist);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.hero-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.18);
}

.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.18;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  color: var(--primary);
  position: relative;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-light);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-points {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}

.hero-point {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}

.hero-point svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.hero-visual {
  position: relative;
}

.hero-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(13, 148, 136, 0.08);
  position: relative;
}

.hero-card .card-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.hero-card .card-head .tooth-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-card .card-head .tooth-icon svg {
  width: 28px;
  height: 28px;
}

.hero-card .card-head h3 {
  font-size: 17px;
  color: var(--dark);
  font-weight: 600;
}

.hero-card .card-head p {
  font-size: 13px;
  color: var(--text-light);
}

.hero-card .flow {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.flow-step {
  display: flex;
  gap: 16px;
  position: relative;
  padding-bottom: 26px;
}

.flow-step:last-child {
  padding-bottom: 0;
}

.flow-step::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 38px;
  bottom: 4px;
  width: 2px;
  background: var(--primary-mist);
}

.flow-step:last-child::before {
  display: none;
}

.flow-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  border: 1.5px solid var(--primary-mist);
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.flow-step:last-child .flow-num {
  background: var(--primary);
  color: #fff;
}

.flow-body h4 {
  font-size: 15px;
  color: var(--dark);
  font-weight: 600;
  margin-bottom: 2px;
}

.flow-body p {
  font-size: 13px;
  color: var(--text-light);
}

.hero-floats {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.hero-floats .hero-float {
  pointer-events: auto;
}

.hero-float {
  position: absolute;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  animation: float 4.5s ease-in-out infinite;
}

.hero-float .f-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-float .f-icon svg {
  width: 20px;
  height: 20px;
}

.hero-float .f-text strong {
  display: block;
  font-size: 14px;
  color: var(--dark);
}

.hero-float .f-text span {
  font-size: 12px;
  color: var(--text-light);
}

.hero-float.f1 {
  top: -24px;
  right: -18px;
  animation-delay: 0.6s;
}

.hero-float.f1 .f-icon {
  background: #fff7ed;
  color: #ea580c;
}

.hero-float.f2 {
  bottom: 40px;
  left: -30px;
  animation-delay: 1.4s;
}

.hero-float.f2 .f-icon {
  background: var(--primary-light);
  color: var(--primary);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- 特色亮点 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-light);
}

/* ---------- 服务概览 ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 36px 30px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.service-card .service-img-wrap {
  position: relative;
  margin-bottom: 22px;
  min-height: 64px;
  border-radius: 18px;
  overflow: hidden;
}

.service-card .service-img-wrap:has(.service-img.has-photo) {
  height: 180px;
}

.service-card .service-img {
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background-size: cover;
  background-position: center;
  display: none;
  z-index: 2;
}

.service-card .service-img.has-photo {
  display: block;
}

.service-card .service-img.has-photo ~ .s-icon {
  opacity: 0;
}

.service-card .s-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  position: relative;
  z-index: 1;
}

.service-card .s-icon svg {
  width: 32px;
  height: 32px;
}

.si-1 { background: linear-gradient(135deg, #0d9488, #14b8a6); }
.si-2 { background: linear-gradient(135deg, #0ea5e9, #38bdf8); }
.si-3 { background: linear-gradient(135deg, #6366f1, #818cf8); }
.si-4 { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.si-5 { background: linear-gradient(135deg, #ec4899, #f472b6); }
.si-6 { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }

.service-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 20px;
}

.service-card .s-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-card .s-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s;
}

.service-card:hover .s-link svg {
  transform: translateX(4px);
}

/* ---------- 诊疗图片横幅 ---------- */
.stats {
  background: #f0fdfa;
  padding: 40px 0;
  position: relative;
  overflow: hidden;
}

.stats-banner {
  position: relative;
  z-index: 1;
  width: 100%;
  height: clamp(220px, 32vw, 380px);
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(135deg, #ccfbf1 0%, #99f6e4 100%);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 40px rgba(13, 148, 136, 0.16);
}

.stats-banner.has-photo {
  background-color: transparent;
}

.stats-banner-ph {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 4px;
  color: rgba(6, 95, 70, 0.55);
}

.stats-banner.has-photo .stats-banner-ph {
  display: none;
}

/* ---------- 团队 ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
  text-align: center;
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.team-avatar {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(150deg, var(--primary-light), #e0f7f5);
  color: var(--primary);
  font-size: 44px;
  font-weight: 700;
  position: relative;
}

.team-avatar.has-photo {
  background-size: cover;
  background-position: center;
  font-size: 0;
}

.team-avatar.has-photo::after {
  border-color: rgba(255, 255, 255, 0.55);
  border-style: solid;
}

.team-avatar::after {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  border: 2px dashed rgba(13, 148, 136, 0.35);
}

.team-body {
  padding: 22px 18px 26px;
}

.team-body h3 {
  font-size: 17px;
  color: var(--dark);
  font-weight: 600;
  margin-bottom: 4px;
}

.team-body .role {
  display: inline-block;
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 12px;
  border-radius: 999px;
  font-weight: 600;
  margin-bottom: 10px;
}

.team-body p {
  font-size: 13px;
  color: var(--text-light);
}

/* ---------- 就诊流程 ---------- */
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}

.step-grid::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--primary-mist) 0 8px, transparent 8px 16px);
  z-index: 0;
}

.step-item {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-dot {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--primary-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.step-dot svg {
  width: 32px;
  height: 32px;
}

.step-item:hover .step-dot {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: scale(1.06);
}

.step-item h3 {
  font-size: 16px;
  color: var(--dark);
  font-weight: 600;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 13px;
  color: var(--text-light);
}

/* ---------- CTA ---------- */
.cta-section {
  padding: 96px 0;
}

.cta-box {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--accent));
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
  color: #fff;
}

.cta-box::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.15);
  top: -120px;
  right: -80px;
}

.cta-box::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  bottom: -70px;
  left: 40px;
}

.cta-box h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.35;
}

.cta-box p {
  font-size: 15px;
  opacity: 0.9;
  max-width: 520px;
}

.cta-box .cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--dark);
  color: #94a3b8;
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand .brand {
  margin-bottom: 18px;
}

.footer-brand .brand-name {
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  font-size: 14px;
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-col ul a::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.5;
  transition: all 0.25s;
}

.footer-col ul a:hover {
  color: var(--primary-mist);
  transform: translateX(4px);
}

.footer-col ul a:hover::before {
  opacity: 1;
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.2);
}

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  margin-bottom: 14px;
}

.footer-contact li svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
}

.footer-bottom a {
  color: var(--primary-mist);
}

/* ---------- 关于页 ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-visual .main-box {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 40px;
  position: relative;
  z-index: 1;
}

.about-visual .main-box .box-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 10px 24px rgba(13, 148, 136, 0.3);
}

.about-visual .main-box .box-icon svg {
  width: 38px;
  height: 38px;
}

.about-visual .main-box h3 {
  font-size: 22px;
  color: var(--dark);
  margin-bottom: 12px;
  font-weight: 700;
}

.about-visual .main-box p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 24px;
}

.about-visual .mini-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.about-visual .mini-tags span {
  font-size: 13px;
  background: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid var(--primary-mist);
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 500;
}

.about-visual .deco-box {
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.08), rgba(20, 184, 166, 0.16));
  border: 1.5px dashed rgba(13, 148, 136, 0.3);
  right: -24px;
  bottom: -28px;
  z-index: 0;
}

.about-text h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  color: var(--dark);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 20px;
}

.about-text h2 span {
  color: var(--primary);
}

.about-text p {
  font-size: 15px;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.9;
}

.about-points {
  margin: 24px 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.about-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.about-points li svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
}

/* 发展历程 · 新闻稿 */
.news-list {
  max-width: 880px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 26px;
  padding: 30px 0;
  border-bottom: 1px dashed rgba(13, 148, 136, 0.18);
}

.news-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.news-date {
  flex: none;
  width: 118px;
  text-align: right;
  padding-top: 3px;
}

.news-date span {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 13px;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.news-main {
  flex: 1;
  min-width: 0;
}

/* 新闻配图封面：无图默认隐藏，上传配图（has-photo）后以 16:7 头图展示 */
.news-cover {
  display: none;
  height: clamp(180px, 24vw, 260px);
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-mist)) center/cover no-repeat;
  background-size: cover;
  background-position: center;
  margin-bottom: 16px;
  box-shadow: 0 10px 24px rgba(13, 148, 136, 0.12);
}

.news-cover.has-photo {
  display: block;
}

.news-main h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.5;
}

.news-content p {
  font-size: 14.5px;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 10px;
}

.news-content p:last-child {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .news-item { flex-direction: column; gap: 10px; }
  .news-date { width: auto; text-align: left; }
}

/* 荣誉资质 */
.qual-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.qual-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: all var(--transition);
}

.qual-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-mist);
}

.qual-card .q-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qual-card .q-icon svg {
  width: 28px;
  height: 28px;
}

.qual-card h3 {
  font-size: 15px;
  color: var(--dark);
  font-weight: 600;
  margin-bottom: 6px;
}

.qual-card p {
  font-size: 13px;
  color: var(--text-light);
}

/* ---------- 服务详情 ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 56px 0;
}

.service-detail + .service-detail {
  border-top: 1px solid var(--border);
}

.service-detail.alt .sd-visual {
  order: 2;
}

.sd-meta {
  display: flex;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 12px;
}
.sd-meta b {
  color: var(--primary);
  flex-shrink: 0;
  font-weight: 600;
}

.sd-visual {
  border-radius: var(--radius-lg);
  background: var(--primary-light);
  border: 1px solid var(--primary-mist);
  padding: 44px 40px;
  position: relative;
  overflow: hidden;
  min-height: 360px;
}

.sd-visual .sd-cover {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background-size: cover;
  background-position: center;
  display: none;
  z-index: 3;
}

.sd-visual .sd-cover.has-photo {
  display: block;
}

.sd-visual .big-icon {
  width: 84px;
  height: 84px;
  border-radius: 22px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 12px 28px rgba(13, 148, 136, 0.25);
  position: relative;
  z-index: 2;
}

.sd-visual .big-icon svg {
  width: 44px;
  height: 44px;
}

.sd-visual h3 {
  font-size: 20px;
  color: var(--dark);
  font-weight: 700;
  margin-bottom: 10px;
}

.sd-visual p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.9;
}

.sd-visual .shine {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  top: -60px;
  right: -60px;
}

.sd-content h3 {
  font-size: 24px;
  color: var(--dark);
  font-weight: 700;
  margin-bottom: 14px;
}

.sd-content > p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 22px;
}

.sd-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.sd-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  transition: all 0.25s;
}

.sd-list li:hover {
  border-color: var(--primary-mist);
  background: var(--primary-light);
}

.sd-list li svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

.sd-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid var(--primary-mist);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

/* ---------- 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: linear-gradient(165deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  color: #fff;
}

.contact-info-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-info-card > p {
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 32px;
}

.c-info-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.c-info-list li:last-child {
  border-bottom: none;
}

.c-info-list .c-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
  font-size: 22px;
  line-height: 1;
}

.c-info-list .c-icon svg {
  width: 22px;
  height: 22px;
}

.c-info-list strong {
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.c-info-list span {
  font-size: 14px;
  opacity: 0.85;
}

.contact-form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  box-shadow: var(--shadow-sm);
}

.contact-form-card h3 {
  font-size: 22px;
  color: var(--dark);
  font-weight: 700;
  margin-bottom: 6px;
}

.contact-form-card > p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.form-group label i {
  color: #ef4444;
  font-style: normal;
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
  font-family: inherit;
  color: var(--dark);
  background: var(--bg-gray);
  transition: all 0.25s;
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-tip {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 14px;
}

.form-success {
  display: none;
  margin-top: 16px;
  background: var(--primary-light);
  border: 1px solid var(--primary-mist);
  color: var(--primary-dark);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
}

.form-success.show {
  display: block;
}

/* 到院指引 */
.directions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.direction-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
}

.direction-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.direction-card .d-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.direction-card .d-icon svg {
  width: 26px;
  height: 26px;
}

.direction-card h3 {
  font-size: 17px;
  color: var(--dark);
  font-weight: 600;
  margin-bottom: 10px;
}

.direction-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ---------- 滚动显现 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .step-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .step-grid::before { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 80px; }
  .hero-float.f2 { left: 0; }
  .about-intro { grid-template-columns: 1fr; gap: 56px; }
  .qual-grid { grid-template-columns: repeat(2, 1fr); }
  .service-detail { grid-template-columns: 1fr; gap: 40px; }
  .service-detail:nth-child(even) .sd-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-box { flex-direction: column; align-items: flex-start; padding: 48px 40px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 24px;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.1);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a {
    padding: 14px 8px;
    border-bottom: 1px solid var(--bg-gray);
    font-size: 16px;
  }
  .main-nav a:last-child { border-bottom: none; }
  .main-nav a::after { display: none; }
  .header-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 130px 0 72px; }
  .hero-points { gap: 20px; }
  .hero-float { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .step-grid { grid-template-columns: 1fr; }
  .qual-grid { grid-template-columns: 1fr; }
  .about-points { grid-template-columns: 1fr; }
  .sd-list { grid-template-columns: 1fr; }
  .directions-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-box { padding: 40px 28px; }
  .contact-form-card, .contact-info-card { padding: 32px 26px; }
  .page-hero { padding: 140px 0 64px; }
}