/* ============================================
   爱尼嘉伴护 — 公司官网样式
   设计语言：医疗专业 · 信任蓝 + 健康绿
   ============================================ */

/* -------- 变量与基础重置 -------- */
:root {
  --color-primary: #C73E5A;          /* 玫红主色（品牌色，来自宣传海报） */
  --color-primary-dark: #A02E48;     /* 深一档玫红（hover/深色边框） */
  --color-primary-light: #FCE4EC;    /* 极淡粉（高亮背景、tag） */
  --color-accent: #E89BB0;           /* 中等粉（次要强调） */
  --color-accent-light: #F8D7E0;     /* 浅粉装饰 */
  --color-text: #2D0F18;             /* 深酒红黑（高对比正文） */
  --color-text-soft: #6B4A52;        /* 酒红灰（次要正文） */
  --color-text-mute: #8A6E76;        /* 暖灰（说明文字） */
  --color-border: #F0D5DD;           /* 淡粉描边 */
  --color-bg: #ffffff;
  --color-bg-alt: #FFF5F8;           /* 极淡粉底（section-alt） */
  --color-bg-cta: linear-gradient(135deg, #C73E5A 0%, #E89BB0 50%, #D4A2B8 100%);

  --shadow-sm: 0 1px 2px rgba(45, 15, 24, 0.05);
  --shadow-md: 0 4px 16px rgba(45, 15, 24, 0.07);
  --shadow-lg: 0 12px 40px rgba(45, 15, 24, 0.10);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --container: 1200px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

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

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--color-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3, h4 { margin: 0 0 var(--space-3); line-height: 1.3; color: var(--color-text); font-weight: 700; }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 var(--space-3); color: var(--color-text-soft); }

ul, ol { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* -------- 按钮 -------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 26px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(199, 62, 90, 0.28);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(199, 62, 90, 0.38);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* -------- 顶部导航 -------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s;
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
}
.brand:hover { color: var(--color-text); }
.brand-mark { display: flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 1.05rem; font-weight: 700; }
.brand-text small { font-size: 0.72rem; color: var(--color-text-mute); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav a {
  padding: 8px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-soft);
  border-radius: var(--radius-sm);
}
.site-nav a:hover { color: var(--color-primary); background: var(--color-primary-light); }
.site-nav .nav-cta {
  margin-left: 8px;
  background: var(--color-primary);
  color: #fff !important;
  padding: 9px 18px;
}
.site-nav .nav-cta:hover { background: var(--color-primary-dark); }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px 0;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* -------- Hero 首屏 -------- */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
  background: linear-gradient(180deg, #FFF0F5 0%, #ffffff 100%);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}
.hero-blob-1 { width: 380px; height: 380px; top: -80px; right: -60px; background: #F8B5C5; }
.hero-blob-2 { width: 320px; height: 320px; bottom: -100px; left: -80px; background: #F4C2D0; }
.hero-blob-3 { width: 240px; height: 240px; top: 30%; left: 40%; background: #E8B5C8; opacity: 0.3; }

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 880px;
}
.hero-eyebrow {
  display: inline-block;
  padding: 4px 14px;
  margin-bottom: var(--space-4);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-pill);
}
.hero-title {
  margin-bottom: var(--space-4);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.18;
}
.grad-text {
  background: linear-gradient(120deg, #C73E5A, #E89BB0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  max-width: 720px;
  margin: 0 auto var(--space-5);
  font-size: 1.1rem;
  color: var(--color-text-soft);
}
.hero-sub strong { color: var(--color-primary); font-weight: 600; }

.hero-cta {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-7);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
}
.hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 var(--space-2);
  border-right: 1px solid var(--color-border);
}
.hero-stats li:last-child { border-right: 0; }
.hero-stats strong {
  font-size: 1.15rem;
  color: var(--color-primary);
  font-weight: 700;
}
.hero-stats span {
  font-size: 0.82rem;
  color: var(--color-text-mute);
}

/* -------- 通用 section -------- */
.section { padding: var(--space-8) 0; }
.section-alt { background: var(--color-bg-alt); }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-6);
}
.kicker {
  display: inline-block;
  margin: 0 0 var(--space-2);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  text-transform: uppercase;
}
.section-sub { font-size: 1.02rem; color: var(--color-text-soft); }
.section-sub strong { color: var(--color-text); }

/* -------- 关于我们 -------- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.about-card {
  padding: var(--space-5);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}
.about-icon {
  font-size: 2.2rem;
  margin-bottom: var(--space-2);
}
.about-card h3 { font-size: 1.15rem; margin-bottom: var(--space-2); }
.about-card p { margin: 0; font-size: 0.96rem; }

/* -------- 服务介绍 -------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.service-card {
  position: relative;
  padding: var(--space-5) var(--space-4) var(--space-4);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--color-primary);
}
.service-card-2::before { background: linear-gradient(90deg, #C73E5A, #D4A2B8); }
.service-card-3::before { background: linear-gradient(90deg, #E89BB0, #D4A2B8); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}
.service-card h3 { font-size: 1.2rem; margin-bottom: var(--space-3); }
.service-card p { font-size: 0.96rem; margin-bottom: var(--space-3); }
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.service-tags li {
  font-size: 0.78rem;
  padding: 3px 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-pill);
}

/* -------- 核心优势 -------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.adv-item {
  padding: var(--space-4);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform .25s, box-shadow .25s;
}
.adv-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}
.adv-icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-2);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
}
.adv-item h3 { font-size: 1.08rem; margin-bottom: var(--space-2); }
.adv-item p { margin: 0; font-size: 0.94rem; }

/* -------- 服务流程 -------- */
.flow-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  counter-reset: flow;
}
.flow-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.flow-list li:hover {
  transform: translateX(4px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}
.flow-step {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #C73E5A, #C25672);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(199, 62, 90, 0.28);
}
.flow-body h3 { font-size: 1.1rem; margin-bottom: 4px; }
.flow-body p { margin: 0; font-size: 0.95rem; }

/* -------- 联系我们 -------- */
.section-cta {
  background: var(--color-bg-cta);
  color: #fff;
}
.section-cta .kicker { color: #FCE4EC; }
.section-cta h2 { color: #fff; }
.section-cta .section-sub { color: rgba(255, 255, 255, 0.9); }

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-7);
  align-items: start;
}
.contact-left { padding-top: var(--space-2); }
.contact-right {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.contact-list { display: flex; flex-direction: column; gap: var(--space-3); }
.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.contact-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.contact-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.05em;
}
.contact-value {
  font-size: 1rem;
  font-weight: 500;
  color: #fff;
}
.contact-value a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.contact-value a:hover { color: #FCE4EC; }

.contact-tip {
  margin-top: var(--space-3);
  padding: var(--space-2) var(--space-3);
  font-size: 0.85rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  border-left: 3px solid #FCE4EC;
  border-radius: var(--radius-sm);
}
.contact-tip strong { color: #FCE4EC; }

/* -------- 页脚 -------- */
.site-footer {
  padding: var(--space-6) 0 var(--space-4);
  background: #3D1622;
  color: #E8C8D0;
}
.footer-wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-5);
  align-items: start;
}
.footer-brand strong {
  display: block;
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 8px;
}
.footer-brand p { margin: 0; font-size: 0.9rem; color: #C8B0B7; }

.footer-meta { text-align: right; }
.footer-meta p { margin: 0 0 6px; font-size: 0.88rem; color: #C8B0B7; }
.footer-meta p:last-child { margin-bottom: 0; }
.footer-copy { font-size: 0.82rem !important; }
.footer-domain a, .beian {
  color: #E8C8D0;
  text-decoration: none;
  transition: color .2s;
}
.footer-domain a:hover, .beian:hover { color: #fff; }
.beian {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  font-size: 0.9rem !important;
  color: #fff !important;
}
.beian:hover { background: rgba(255, 255, 255, 0.1); }

/* -------- 响应式 -------- */
@media (max-width: 960px) {
  .about-grid, .service-grid, .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; gap: var(--space-5); }
  .footer-wrap { grid-template-columns: 1fr; }
  .footer-meta { text-align: left; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed;
    top: 68px;
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-3);
    background: #fff;
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform .25s, opacity .25s;
  }
  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .site-nav a { padding: 12px 16px; border-radius: var(--radius-sm); }
  .site-nav .nav-cta { margin: 8px 0 0; text-align: center; }

  .hero { padding: 56px 0 72px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); padding: var(--space-3); }
  .hero-stats li { border-right: 0; border-bottom: 1px solid var(--color-border); padding-bottom: 8px; }
  .hero-stats li:nth-last-child(-n+2) { border-bottom: 0; padding-bottom: 0; }
  .hero-stats li:nth-child(odd) { border-right: 1px solid var(--color-border); }

  .about-grid, .service-grid, .adv-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .flow-list li { flex-direction: column; gap: var(--space-2); }
  .flow-step { width: 40px; height: 40px; font-size: 0.9rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-3); }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
}

/* -------- 可访问性：减少动画 -------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}