/* === 时代未来企业管理官网 - 设计系统 v2 === */
/* 品牌：青 #0d6e6e + 金 #c89b2e（保留），编辑式排版：衬线标题 + 无衬线正文 */

:root {
  --color-primary: #0d6e6e;
  --color-primary-dark: #094d4d;
  --color-primary-deep: #0a3636;
  --color-primary-light: #e1f5ee;
  --color-accent: #c89b2e;
  --color-accent-dark: #a8842a;
  --color-accent-light: #faf3e3;
  --color-text: #1c2323;
  --color-text-secondary: #4d5a5a;
  --color-text-muted: #7a8787;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7f7;
  --color-border: #dfe6e6;
  --color-white: #ffffff;
  --color-success: #2d8659;
  --color-danger: #c44d4d;

  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 3px rgba(10, 54, 54, 0.06);
  --shadow-md: 0 4px 16px rgba(10, 54, 54, 0.09);
  --shadow-lg: 0 12px 36px rgba(10, 54, 54, 0.12);

  --container-max: 1200px;
  --header-height: 64px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

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

a { color: var(--color-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-primary-dark); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

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

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

/* === Header === */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow 0.3s;
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.site-header .container {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  font-family: var(--font-serif);
  font-size: 20px; font-weight: 700; letter-spacing: 0.02em;
  color: var(--color-primary); white-space: nowrap;
}
.logo span { color: var(--color-accent); margin-left: 2px; font-size: 15px; font-weight: 600; }

.nav { display: flex; gap: 26px; align-items: center; }
.nav a { color: var(--color-text); font-size: 15px; font-weight: 500; position: relative; }
.nav a:hover { color: var(--color-primary); }
.nav a.active { color: var(--color-primary); }
.nav a.active::after {
  content: ''; position: absolute; bottom: -21px; left: 0; right: 0;
  height: 2px; background: var(--color-primary);
}

.nav-member {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 6px 14px;
  font-size: 13.5px !important;
  color: var(--color-text-secondary) !important;
  transition: border-color 0.2s, color 0.2s;
}
.nav-member:hover { border-color: var(--color-primary); color: var(--color-primary) !important; }

.header-cta {
  background: var(--color-primary); color: var(--color-white) !important;
  padding: 8px 20px; border-radius: var(--radius-md); font-weight: 500;
  transition: background 0.2s, transform 0.15s;
}
.header-cta:hover { background: var(--color-primary-dark); }
.header-cta:active { transform: translateY(1px); }

.mobile-toggle { display: none; font-size: 24px; background: none; border: none; cursor: pointer; color: var(--color-text); }

/* === Hero（首页，左右分栏） === */
.hero {
  background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary-dark) 55%, var(--color-primary) 100%);
  color: var(--color-white);
  margin-top: var(--header-height);
  position: relative;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 64px;
}
.hero-kicker {
  display: inline-block;
  font-size: 13px; letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 22px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 42px; font-weight: 700;
  line-height: 1.28; letter-spacing: 0.01em;
  margin-bottom: 18px;
}
.hero h1 em { font-style: normal; color: var(--color-accent); }
.hero p {
  font-size: 16px; opacity: 0.88;
  max-width: 480px; margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-media { position: relative; }
.hero-media img {
  width: 100%; aspect-ratio: 3 / 2; object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  position: relative; z-index: 1;
}
.hero-media::before {
  content: ''; position: absolute;
  top: 18px; left: 18px; right: -18px; bottom: -18px;
  border: 1.5px solid rgba(200, 155, 46, 0.45);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-md);
  font-size: 15px; font-weight: 500; cursor: pointer;
  transition: all 0.2s var(--ease-out); border: none; text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-accent); color: var(--color-white); }
.btn-primary:hover { background: var(--color-accent-dark); color: var(--color-white); }
.btn-outline { background: transparent; color: var(--color-white); border: 1.5px solid rgba(255, 255, 255, 0.45); }
.btn-outline:hover { border-color: var(--color-white); background: rgba(255, 255, 255, 0.08); color: var(--color-white); }
.btn-gold { background: var(--color-accent); color: var(--color-white); }
.btn-gold:hover { background: var(--color-accent-dark); color: var(--color-white); }
.btn-teal { background: var(--color-primary); color: var(--color-white); }
.btn-teal:hover { background: var(--color-primary-dark); color: var(--color-white); }
.btn-lg { padding: 14px 36px; font-size: 16px; }

/* === Section === */
.section { padding: 84px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-title {
  font-family: var(--font-serif);
  font-size: 30px; font-weight: 700; letter-spacing: 0.01em;
  text-align: center; margin-bottom: 12px;
}
.section-subtitle { text-align: center; color: var(--color-text-secondary); font-size: 15px; margin-bottom: 52px; }

/* === Service Cards === */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--color-white); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 34px 28px 30px;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--color-primary);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}
.service-card:hover { border-color: transparent; box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  background: var(--color-primary-light); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-size: 24px; font-weight: 700; margin-bottom: 22px;
  transition: background 0.3s, color 0.3s;
}
.service-card:hover .service-icon { background: var(--color-primary); color: var(--color-white); }
.service-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--color-text-secondary); margin-bottom: 16px; line-height: 1.7; }
.service-card .service-link { font-size: 14px; font-weight: 500; color: var(--color-primary); }
.service-card .service-link::after { content: ' \2192'; transition: margin-left 0.2s; }
.service-card .service-link:hover::after { margin-left: 4px; }

/* === Stats === */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-item { text-align: center; padding: 16px; }
.feature-number {
  font-family: var(--font-serif);
  font-size: 44px; font-weight: 700; color: var(--color-primary);
  margin-bottom: 8px; line-height: 1.1;
}
.feature-label { font-size: 15px; color: var(--color-text-secondary); }

/* === Advantage === */
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px 32px; }
.advantage-item h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; color: var(--color-text); }
.advantage-item h3::before {
  content: ''; display: inline-block; width: 4px; height: 17px;
  background: var(--color-accent); margin-right: 10px;
  vertical-align: -3px; border-radius: 2px;
}
.advantage-item p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.75; }

/* === Contact Banner === */
.contact-banner {
  background: linear-gradient(160deg, var(--color-primary-deep), var(--color-primary-dark));
  color: var(--color-white);
  padding: 72px 0; text-align: center;
}
.contact-banner h2 { font-family: var(--font-serif); font-size: 28px; font-weight: 700; margin-bottom: 12px; }
.contact-banner p { font-size: 15px; opacity: 0.85; margin-bottom: 20px; }
.contact-phone {
  font-family: var(--font-serif);
  font-size: 40px; font-weight: 700; letter-spacing: 0.04em;
  color: var(--color-accent);
}
.contact-phone-label { font-size: 14px; opacity: 0.75; margin-top: 6px; }

/* === Footer === */
.site-footer { background: #122626; color: rgba(255, 255, 255, 0.66); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 36px; }
.footer-grid h4 { font-size: 15px; font-weight: 600; color: var(--color-white); margin-bottom: 16px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 9px; }
.footer-grid a { color: rgba(255, 255, 255, 0.6); font-size: 14px; }
.footer-grid a:hover { color: var(--color-white); }
.footer-about p { font-size: 14px; line-height: 1.75; margin-top: 12px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding-top: 20px; text-align: center; font-size: 13px; color: rgba(255, 255, 255, 0.38); }

/* === Breadcrumb === */
.breadcrumb { padding: 0 0 14px; font-size: 13px; color: rgba(255, 255, 255, 0.6); }
.breadcrumb a { color: rgba(255, 255, 255, 0.6); }
.breadcrumb a:hover { color: var(--color-white); }
.breadcrumb span { margin: 0 6px; }

/* === 子页页头 === */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-deep), var(--color-primary-dark) 70%, var(--color-primary));
  color: var(--color-white);
  padding: 44px 0 40px; margin-top: var(--header-height);
}
.page-hero h1 { font-family: var(--font-serif); font-size: 30px; font-weight: 700; margin-bottom: 8px; }
.page-hero p { font-size: 15px; opacity: 0.85; }

/* === 服务详情页 === */
.service-content { display: grid; grid-template-columns: 1fr 320px; gap: 48px; padding: 56px 0; }
.service-main h2 {
  font-family: var(--font-serif);
  font-size: 21px; font-weight: 700; margin: 36px 0 16px; color: var(--color-text);
  padding-bottom: 10px; border-bottom: 2px solid var(--color-primary-light);
}
.service-main h2:first-child { margin-top: 0; }
.service-main h3 { font-size: 16px; font-weight: 600; margin: 24px 0 10px; color: var(--color-primary); }
.service-main p { margin-bottom: 14px; color: var(--color-text-secondary); }
.service-main ul, .service-main ol { margin: 12px 0 16px 20px; }
.service-main li { margin-bottom: 8px; color: var(--color-text-secondary); }
.service-main table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.service-main th, .service-main td { border: 1px solid var(--color-border); padding: 10px 14px; font-size: 14px; text-align: left; }
.service-main th { background: var(--color-bg-alt); font-weight: 600; color: var(--color-text); }

/* === Sidebar === */
.sidebar { position: sticky; top: 84px; }
.sidebar-card {
  background: var(--color-white); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 24px; margin-bottom: 20px;
}
.sidebar-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.sidebar-card .contact-line { font-size: 14px; color: var(--color-text-secondary); margin-bottom: 8px; }
.sidebar-card .contact-line strong { color: var(--color-text); }
.sidebar-cta { background: var(--color-primary-light); border-color: var(--color-primary); }
.sidebar-cta .btn { width: 100%; justify-content: center; margin-top: 12px; }

/* === Contact Page === */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding: 56px 0; }
.contact-info h2 { font-family: var(--font-serif); font-size: 22px; font-weight: 700; margin-bottom: 24px; }
.contact-info-item { display: flex; gap: 14px; margin-bottom: 22px; }
.contact-info-item .icon {
  width: 42px; height: 42px; border-radius: var(--radius-md);
  background: var(--color-primary-light); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0;
}
.contact-info-item .text h4 { font-size: 13px; color: var(--color-text-muted); font-weight: 400; margin-bottom: 2px; }
.contact-info-item .text p { font-size: 16px; font-weight: 500; color: var(--color-text); }
.contact-form { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 32px; }
.contact-form h2 { font-family: var(--font-serif); font-size: 22px; font-weight: 700; margin-bottom: 20px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; color: var(--color-text); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 10px 14px; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); font-size: 15px; font-family: var(--font-sans);
  background: var(--color-white); color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 110, 0.12);
}
.form-group textarea { resize: vertical; min-height: 100px; }
/* 表单内联提示（替代原生 alert） */
.form-message {
  margin-top: 14px; padding: 10px 14px; border-radius: var(--radius-md);
  font-size: 14px; line-height: 1.5;
}
.form-message.is-error { background: rgba(196, 77, 77, 0.08); color: var(--color-danger); border: 1px solid rgba(196, 77, 77, 0.25); }
.form-message.is-success { background: rgba(45, 134, 89, 0.08); color: var(--color-success); border: 1px solid rgba(45, 134, 89, 0.25); }
.map-embed { border-radius: var(--radius-lg); overflow: hidden; margin-top: 24px; border: 1px solid var(--color-border); }
.map-embed iframe { width: 100%; height: 360px; border: 0; display: block; }
/* 无 API key 时的地图占位卡片（外链跳转百度地图） */
.map-card {
  background: linear-gradient(160deg, var(--color-primary-deep), var(--color-primary-dark));
  display: flex; align-items: center; justify-content: center;
  min-height: 240px; padding: 40px 24px;
}
.map-card-inner { text-align: center; }
.map-card-pin { font-size: 34px; margin-bottom: 14px; }
.map-card-addr {
  font-family: var(--font-serif); font-size: 17px; font-weight: 600;
  color: var(--color-white); margin-bottom: 20px; letter-spacing: 0.02em;
}

/* === About Page === */
.about-content { max-width: 800px; margin: 0 auto; padding: 56px 0; }
.about-content h2 {
  font-family: var(--font-serif);
  font-size: 23px; font-weight: 700; margin: 36px 0 16px;
}
.about-content h2:first-child { margin-top: 0; }
.about-content p { margin-bottom: 16px; color: var(--color-text-secondary); }
.content-image {
  border-radius: var(--radius-lg);
  margin: 24px 0 28px;
  box-shadow: var(--shadow-md);
}

/* === FAQ === */
.faq-item { border-bottom: 1px solid var(--color-border); padding: 20px 0; }
.faq-question { font-size: 16px; font-weight: 500; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-question::after { content: '+'; font-size: 22px; color: var(--color-primary); transition: transform 0.2s; }
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s; color: var(--color-text-secondary); font-size: 14px; }
.faq-item.open .faq-answer { max-height: 300px; padding-top: 12px; }

/* === 滚动渐入（克制动效，尊重 reduced-motion） === */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  }
  .reveal.in { opacity: 1; transform: none; }
  .reveal-d1 { transition-delay: 0.08s; }
  .reveal-d2 { transition-delay: 0.16s; }
  .reveal-d3 { transition-delay: 0.24s; }
}

/* === Responsive === */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-media { max-width: 640px; }
  .hero-media::before { right: 18px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .service-content { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; background: var(--color-white); flex-direction: column; padding: 20px; border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md); gap: 0; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--color-border); width: 100%; }
  .nav a.active::after { display: none; }
  .nav-member { border: none; padding: 12px 0; }
  .header-cta { margin-top: 12px; display: inline-block; width: fit-content; }
  .mobile-toggle { display: block; }

  .hero .container { padding-top: 48px; padding-bottom: 48px; text-align: center; }
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 15px; margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }

  .section { padding: 52px 0; }
  .section-title { font-size: 24px; }
  .section-subtitle { margin-bottom: 36px; }

  .service-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .feature-number { font-size: 34px; }
  .advantage-grid { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }

  .footer-grid { grid-template-columns: 1fr; gap: 24px; }

  .contact-phone { font-size: 30px; }
  .page-hero h1 { font-size: 24px; }
}

@media (max-width: 480px) {
  .feature-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 24px; }
  .btn { width: 100%; justify-content: center; }
  .hero-actions { width: 100%; }
}