/* ============================================================
   医直星 EZONE MEDICAL — 跨境医疗官网
   主题：玉青 + 鎏金 · 移动优先 · 支持 RTL
   ============================================================ */

/* ---------- 设计令牌：1 主色 + 5 辅助色 ---------- */
:root {
  /* 主色调 */
  --c-primary:      #0E6E63;  /* 玉青 */
  /* 5 辅助色 */
  --c-primary-deep: #14564E;  /* 深玉 */
  --c-primary-soft: #6FB3A8;  /* 浅玉 */
  --c-gold:         #C9A24B;  /* 鎏金 */
  --c-cinnabar:     #B5503C;  /* 朱砂 */
  --c-ink-blue:     #2E4756;  /* 墨蓝灰 */

  /* 中性 */
  --c-bg:        #F7F5F0;     /* 暖白底 */
  --c-surface:   #FFFFFF;
  --c-ink:       #1A2B2A;     /* 墨字 */
  --c-muted:     #5C6B68;
  --c-line:      #E4E0D6;

  /* 渐变 */
  --grad-primary: linear-gradient(135deg, #0E6E63 0%, #14564E 100%);
  --grad-gold:    linear-gradient(135deg, #D9B868 0%, #C9A24B 100%);

  /* 排版 */
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", Georgia, "SimSun", serif;

  /* 尺度 */
  --container: 1180px;
  --radius:   18px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 10px rgba(20, 43, 42, .06);
  --shadow-md: 0 10px 30px rgba(20, 43, 42, .10);
  --shadow-lg: 0 20px 50px rgba(20, 43, 42, .14);

  --header-h: 64px;
  --tabbar-h: 60px;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  scroll-padding-top: var(--header-h);
}
html { scroll-padding-top: calc(var(--header-h) + 8px); }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--font-serif); line-height: 1.25; margin: 0; font-weight: 700; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
svg.icon { display: block; width: 100%; height: 100%; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; border-radius: 999px;
  padding: 14px 28px;
  font-size: 15px; font-weight: 600;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--grad-primary); color: #fff; box-shadow: 0 8px 20px rgba(14,110,99,.28); }
.btn-primary:hover { box-shadow: 0 12px 26px rgba(14,110,99,.36); }
.btn-gold { background: var(--grad-gold); color: #3a2c08; }
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-block { width: 100%; padding: 16px; font-size: 16px; }

/* ============================================================
   顶部导航
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247,245,240,.85);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--c-line);
}
.header-inner {
  height: var(--header-h);
  display: flex; align-items: center; gap: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  background: var(--grad-primary); color: #fff;
  border-radius: 11px; font-family: var(--font-serif);
  font-size: 20px; font-weight: 700;
  box-shadow: var(--shadow-sm);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--font-serif); font-weight: 700; font-size: 19px; color: var(--c-ink); }
.brand-sub { font-size: 10px; letter-spacing: .14em; color: var(--c-gold); font-weight: 600; }

.main-nav { display: none; margin-inline-start: auto; gap: 26px; }
.main-nav a {
  font-size: 15px; font-weight: 500; color: var(--c-ink);
  position: relative; padding: 4px 0;
}
.main-nav a::after {
  content: ""; position: absolute; inset-inline: 0; bottom: -2px; height: 2px;
  background: var(--c-gold); transform: scaleX(0); transform-origin: center;
  transition: transform .2s ease;
}
.main-nav a:hover { color: var(--c-primary); }
.main-nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 10px; margin-inline-start: auto; }
.main-nav + .header-actions { margin-inline-start: 0; }
.header-cta { display: none; }

/* 语言切换 */
.lang-switch { position: relative; }
.lang-current {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: 999px; padding: 8px 12px; font-size: 14px; color: var(--c-ink);
}
.lang-current .caret { font-size: 10px; color: var(--c-muted); }
.lang-menu {
  position: absolute; inset-inline-end: 0; top: calc(100% + 8px);
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: 14px; box-shadow: var(--shadow-md);
  min-width: 140px; padding: 6px; opacity: 0; visibility: hidden;
  max-height: 70vh; overflow-y: auto;
  transform: translateY(-6px); transition: all .18s ease; z-index: 120;
}
.lang-switch.open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-menu button {
  width: 100%; text-align: start; background: none; border: none;
  padding: 10px 12px; border-radius: 9px; font-size: 14px; color: var(--c-ink);
}
.lang-menu button:hover { background: rgba(14,110,99,.08); color: var(--c-primary); }
.lang-menu button.active { background: rgba(14,110,99,.12); color: var(--c-primary); font-weight: 600; }

/* 汉堡菜单 */
.menu-toggle {
  width: 40px; height: 40px; border: 1px solid var(--c-line); background: var(--c-surface);
  border-radius: 11px; display: grid; place-items: center; gap: 4px; padding: 0;
}
.menu-toggle span { display: block; width: 18px; height: 2px; background: var(--c-ink); border-radius: 2px; transition: .2s; }
.menu-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 移动端展开导航抽屉 */
.main-nav.mobile-open {
  display: flex; flex-direction: column; gap: 0;
  position: fixed; inset-block-start: var(--header-h); inset-inline: 0;
  background: var(--c-surface); padding: 8px 20px 20px;
  box-shadow: var(--shadow-md); border-bottom: 1px solid var(--c-line);
}
.main-nav.mobile-open a { padding: 15px 0; border-bottom: 1px solid var(--c-line); font-size: 16px; }
.main-nav.mobile-open a::after { display: none; }

/* ============================================================
   Hero
   ============================================================ */
.hero { position: relative; overflow: hidden; padding: 56px 0 48px; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(120% 80% at 85% -10%, rgba(201,162,75,.18), transparent 55%),
    radial-gradient(100% 90% at 0% 0%, rgba(111,179,168,.22), transparent 50%),
    var(--c-bg);
}
.hero-bg::after {
  content: ""; position: absolute; inset-block-end: -1px; inset-inline: 0; height: 120px;
  background: linear-gradient(180deg, transparent, var(--c-bg));
}
.hero-inner { position: relative; z-index: 1; text-align: center; max-width: 760px; margin-inline: auto; }
.hero-eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: .12em; font-weight: 600;
  color: var(--c-primary); background: rgba(14,110,99,.10);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 20px;
}
.hero-title { font-size: clamp(30px, 7vw, 52px); color: var(--c-ink); letter-spacing: -.01em; }
.hero-title { margin-bottom: 18px; }
.hero-lead { font-size: clamp(15px, 2.4vw, 18px); color: var(--c-muted); max-width: 620px; margin-inline: auto; }

.hero-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: 999px; padding: 7px 7px 7px 18px;
  box-shadow: var(--shadow-md); max-width: 560px; margin: 30px auto 0;
}
.hero-search-icon { width: 18px; height: 18px; flex: none; opacity: .5; color: var(--c-muted); display: inline-flex; }
.hero-search input {
  flex: 1; border: none; outline: none; background: none;
  font-size: 15px; color: var(--c-ink); min-width: 0; padding: 8px 0;
}
.hero-search input::placeholder { color: #9aa5a2; }

.hero-stats {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 14px 30px;
  margin-top: 34px;
}
.stat { display: flex; flex-direction: column; align-items: center; }
.stat strong { font-family: var(--font-serif); font-size: 28px; color: var(--c-primary); line-height: 1; }
.stat span { font-size: 13px; color: var(--c-muted); margin-top: 6px; }

/* ============================================================
   通用区块
   ============================================================ */
.section { padding: 56px 0; }
.section-tint { background: linear-gradient(180deg, #FFFFFF 0%, #F2EFE7 100%); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 36px; }
.section-head-sm { margin-top: 44px; margin-bottom: 22px; }
.section-title { font-size: clamp(24px, 5vw, 36px); color: var(--c-ink); }
.section-subtitle { font-size: clamp(19px, 3.5vw, 24px); color: var(--c-ink); }
.section-sub { font-size: 16px; color: var(--c-muted); margin-top: 12px; }

/* ---------- 服务宫格 ---------- */
.grid-services {
  display: grid; gap: 14px;
  grid-template-columns: repeat(2, 1fr);
}
.svc-card {
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 22px 18px;
  display: flex; flex-direction: column; gap: 6px;
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s;
  position: relative; overflow: hidden;
}
.svc-card::before {
  content: ""; position: absolute; inset-block-start: 0; inset-inline-start: 0;
  width: 4px; height: 100%; background: var(--grad-primary); opacity: 0; transition: .2s;
}
.svc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.svc-card:hover::before { opacity: 1; }
.svc-icon { color: var(--c-primary); width: 36px; height: 36px; display: inline-flex; }
.svc-name { font-weight: 700; font-size: 16px; color: var(--c-ink); }
.svc-desc { font-size: 13px; color: var(--c-muted); }

/* ---------- 配套小程序图标墙 ---------- */
.grid-mini { display: grid; gap: 12px; grid-template-columns: repeat(4, 1fr); }
.mini-card {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius-sm); padding: 16px 8px;
  font-size: 13px; color: var(--c-ink); text-align: center;
  transition: transform .15s ease, box-shadow .2s;
}
.mini-card span:first-child { color: var(--c-primary); width: 28px; height: 28px; display: inline-flex; }
.mini-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }

/* ---------- 服务模式 ---------- */
.grid-modes { display: grid; gap: 16px; grid-template-columns: 1fr; }
.mode-card {
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 26px 22px; position: relative;
}
.mode-card h3 { font-size: 19px; margin-bottom: 8px; color: var(--c-ink); }
.mode-card p { font-size: 14px; color: var(--c-muted); }
.mode-featured { border-color: var(--c-primary); box-shadow: 0 12px 30px rgba(14,110,99,.16); }
.mode-lux { background: linear-gradient(160deg, #1A2B2A 0%, #14564E 100%); }
.mode-lux h3 { color: #fff; }
.mode-lux p { color: rgba(255,255,255,.78); }
.mode-badge {
  position: absolute; inset-block-start: -11px; inset-inline-start: 22px;
  background: var(--grad-gold); color: #3a2c08;
  font-size: 12px; font-weight: 700; padding: 5px 13px; border-radius: 999px;
}

/* ---------- 文化尊重 ---------- */
.grid-culture { display: grid; gap: 16px; grid-template-columns: 1fr; }
.culture-card {
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 24px 22px;
  border-inline-start: 4px solid var(--c-gold);
}
.culture-icon { color: var(--c-gold); width: 34px; height: 34px; display: inline-flex; margin-bottom: 14px; }
.culture-card h3 { font-size: 18px; margin-bottom: 8px; }
.culture-card p { font-size: 14px; color: var(--c-muted); }

/* ---------- 就医流程 ---------- */
.process-steps { display: grid; gap: 16px; grid-template-columns: 1fr; counter-reset: step; }
.step {
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 24px 22px 22px; position: relative;
}
.step-num {
  width: 42px; height: 42px; display: grid; place-items: center;
  background: var(--grad-primary); color: #fff; border-radius: 12px;
  font-family: var(--font-serif); font-size: 20px; font-weight: 700;
  margin-bottom: 14px; box-shadow: var(--shadow-sm);
}
.step h3 { font-size: 18px; margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--c-muted); }

/* ---------- 文旅 ---------- */
.grid-travel { display: grid; gap: 16px; grid-template-columns: 1fr; }
.travel-card {
  border-radius: var(--radius); overflow: hidden; position: relative;
  min-height: 200px; display: flex; align-items: flex-end;
  color: #fff; box-shadow: var(--shadow-sm);
}
.travel-card::before { content: ""; position: absolute; inset: 0; z-index: 0; }
.travel-card:nth-child(1)::before { background: linear-gradient(160deg, #1E7E72, #0E6E63 60%, #0a4a43); }
.travel-card:nth-child(2)::before { background: linear-gradient(160deg, #C9A24B, #a87f2e); }
.travel-card:nth-child(3)::before { background: linear-gradient(160deg, #B5503C, #7e3527); }
.travel-card::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,.35));
}
.travel-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.travel-body { position: relative; z-index: 2; padding: 22px; }
.travel-body h3 { font-size: 20px; margin-bottom: 6px; }
.travel-body p { font-size: 14px; color: rgba(255,255,255,.9); }

/* ============================================================
   联系/留资
   ============================================================ */
.section-contact { background: linear-gradient(180deg, #F2EFE7, #FFFFFF); }
.contact-wrap { display: grid; gap: 28px; grid-template-columns: 1fr; }
.contact-intro .section-title, .contact-intro .section-sub { text-align: start; margin-inline: 0; }
.contact-points { margin: 20px 0; display: grid; gap: 10px; }
.contact-points li { font-size: 15px; color: var(--c-ink); }
.privacy-note {
  font-size: 13px; color: var(--c-muted); background: rgba(14,110,99,.06);
  border-radius: var(--radius-sm); padding: 14px 16px; border-inline-start: 3px solid var(--c-primary-soft);
}

.contact-form {
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-md);
  display: grid; gap: 16px;
}
.form-row { display: grid; gap: 16px; grid-template-columns: 1fr; }
.contact-form label { display: flex; flex-direction: column; gap: 7px; font-size: 14px; font-weight: 600; color: var(--c-ink); }
.contact-form input, .contact-form select, .contact-form textarea {
  font-family: inherit; font-size: 15px; font-weight: 400; color: var(--c-ink);
  border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  padding: 12px 14px; background: #FBFAF7; outline: none; width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(14,110,99,.12);
}
.form-success { font-size: 14px; color: var(--c-primary); font-weight: 600; text-align: center; }

/* ============================================================
   页脚
   ============================================================ */
.site-footer { background: #14201F; color: rgba(255,255,255,.8); padding: 44px 0 calc(28px + var(--tabbar-h)); }
.footer-inner { display: grid; gap: 24px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand .brand-name { color: #fff; }
.footer-tagline { font-size: 14px; color: rgba(255,255,255,.6); margin-top: 2px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px 24px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.75); }
.footer-links a:hover { color: var(--c-gold); }
.footer-copy { font-size: 13px; color: rgba(255,255,255,.5); border-top: 1px solid rgba(255,255,255,.12); padding-top: 20px; }

/* ============================================================
   AI 悬浮入口
   ============================================================ */
.ai-fab {
  position: fixed; inset-block-end: calc(var(--tabbar-h) + 16px); inset-inline-end: 16px; z-index: 90;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--grad-primary); color: #fff;
  border: none; border-radius: 999px; padding: 13px 18px;
  box-shadow: var(--shadow-lg); font-weight: 600; font-size: 14px;
  animation: floaty 3s ease-in-out infinite;
}
.ai-fab-icon { color: var(--c-gold); width: 18px; height: 18px; display: inline-flex; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }

/* ============================================================
   移动端底部导航
   ============================================================ */
.mobile-tabbar {
  position: fixed; inset-block-end: 0; inset-inline: 0; z-index: 95;
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  padding-block-end: env(safe-area-inset-bottom);
  background: rgba(255,255,255,.92); backdrop-filter: blur(14px);
  border-top: 1px solid var(--c-line);
  display: flex; justify-content: space-around; align-items: center;
}
.mobile-tabbar .tab {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  font-size: 11px; color: var(--c-muted); flex: 1;
}
.mobile-tabbar .tab span:first-child { width: 23px; height: 23px; display: inline-flex; }
.mobile-tabbar .tab.active { color: var(--c-primary); font-weight: 600; }

/* ============================================================
   响应式：平板与桌面
   ============================================================ */
@media (min-width: 600px) {
  .grid-services { grid-template-columns: repeat(3, 1fr); }
  .form-row { grid-template-columns: 1fr 1fr; }
  .grid-culture, .grid-modes { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .grid-travel { grid-template-columns: repeat(2, 1fr); }
  .travel-tall { grid-row: span 2; }
}

@media (min-width: 920px) {
  :root { --header-h: 72px; }
  .section { padding: 80px 0; }
  .hero { padding: 80px 0 70px; }
  .main-nav { display: flex; }
  .header-cta { display: inline-flex; }
  .menu-toggle { display: none; }
  .grid-services { grid-template-columns: repeat(3, 1fr); }
  .grid-mini { grid-template-columns: repeat(8, 1fr); }
  .grid-modes { grid-template-columns: repeat(4, 1fr); }
  .grid-culture { grid-template-columns: repeat(4, 1fr); }
  .process-steps { grid-template-columns: repeat(4, 1fr); }
  .grid-travel { grid-template-columns: repeat(3, 1fr); }
  .travel-tall { grid-row: span 1; }
  .contact-wrap { grid-template-columns: 1fr 1.1fr; align-items: start; gap: 48px; }
  .footer-inner { grid-template-columns: 1fr auto; align-items: center; }
  .footer-copy { grid-column: 1 / -1; }

  /* 桌面隐藏移动专属 */
  .mobile-tabbar { display: none; }
  .ai-fab { inset-block-end: 28px; inset-inline-end: 28px; padding: 15px 22px; font-size: 15px; }
  .site-footer { padding-bottom: 44px; }
  body { scroll-padding-top: 80px; }
}

/* ============================================================
   RTL（阿拉伯语）适配
   ============================================================ */
[dir="rtl"] body { font-family: "Noto Naskh Arabic", "Segoe UI", var(--font-sans); }
[dir="rtl"] .hero-eyebrow,
[dir="rtl"] .brand-sub { letter-spacing: 0; }
[dir="rtl"] .hero-search { padding: 7px 18px 7px 7px; }
/* 逻辑属性已自动处理多数镜像；此处仅补充视觉细节 */

/* ============================================================
   动效入场
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.in { opacity: 1; transform: none; }
}