/* ============================================================
   浙江呗欧物业管理有限公司 — 官方网站
   全站统一样式表
   ============================================================ */

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #0a3d62;          /* 主色 深商务蓝 */
  --primary-dark: #062a45;     /* 深色变体 */
  --primary-light: #1e5a8a;    /* 浅色变体 */
  --accent: #c8a45e;           /* 点缀金 高端感 */
  --accent-dark: #b08d44;
  --text-main: #1f2933;        /* 正文 */
  --text-sub: #52606d;         /* 次要文字 */
  --text-light: #7b8794;       /* 浅灰文字 */
  --bg-gray: #f4f6f9;          /* 浅灰背景 */
  --bg-light: #fafbfc;
  --border: #e3e8ee;           /* 边框 */
  --white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(10,61,98,0.06);
  --shadow-md: 0 6px 24px rgba(10,61,98,0.08);
  --shadow-lg: 0 12px 40px rgba(10,61,98,0.12);
  --radius: 4px;
  --radius-lg: 8px;
  --max-width: 1200px;
  --header-h: 80px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color .25s; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* ---------- 通用容器 ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section-gray { background: var(--bg-gray); }
.section-dark { background: var(--primary-dark); color: #dfe7ee; }

/* ---------- 区块标题 ---------- */
.section-head {
  text-align: center;
  margin-bottom: 54px;
}
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-dark .section-head h2 { color: #fff; }
.section-head .sub {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 640px;
  margin: 0 auto;
}
.section-head .line {
  width: 48px; height: 3px;
  background: var(--accent);
  margin: 20px auto 0;
  border-radius: 2px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .28s;
  letter-spacing: .5px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,.6);
  color: #fff;
}
.btn-outline:hover {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-ghost {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-ghost:hover {
  background: var(--primary);
  color: #fff;
}

/* ============================================================
   顶部导航
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: all .3s;
}
.site-header.scrolled {
  height: 66px;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  width: 46px; height: 46px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -1px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.logo-mark::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  background: rgba(255,255,255,.12);
}
.logo-text { line-height: 1.25; }
.logo-text .cn {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .5px;
}
.logo-text .en {
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* 导航菜单 */
.nav { display: flex; align-items: center; }
.nav-list { display: flex; gap: 4px; }
.nav-list > li > a {
  display: block;
  padding: 10px 20px;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: var(--radius);
  position: relative;
}
.nav-list > li > a::after {
  content: '';
  position: absolute;
  left: 20px; right: 20px; bottom: 4px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform .28s;
}
.nav-list > li > a:hover,
.nav-list > li > a.active {
  color: var(--primary);
}
.nav-list > li > a:hover::after,
.nav-list > li > a.active::after {
  transform: scaleX(1);
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 24px;
  margin-left: 8px;
  border-left: 1px solid var(--border);
}
.header-contact .tel-icon {
  color: var(--accent);
  font-size: 20px;
}
.header-contact .tel-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .5px;
}

/* 移动端汉堡 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--primary);
  transition: all .3s;
}

/* ============================================================
   页面通用 banner（内页头图）
   ============================================================ */
.page-banner {
  margin-top: var(--header-h);
  height: 320px;
  background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(200,164,94,.18) 0%, transparent 45%),
    radial-gradient(circle at 15% 90%, rgba(255,255,255,.06) 0%, transparent 40%);
}
.page-banner .pattern {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 45%;
  opacity: .07;
  background-image:
    linear-gradient(rgba(255,255,255,.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.4) 1px, transparent 1px);
  background-size: 40px 40px;
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 {
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.page-banner .en-title {
  font-size: 14px;
  letter-spacing: 4px;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.page-banner .crumb {
  font-size: 14px;
  color: rgba(255,255,255,.75);
}
.page-banner .crumb a:hover { color: var(--accent); }
.page-banner .crumb .sep { margin: 0 10px; opacity: .5; }

/* ============================================================
   底部
   ============================================================ */
.site-footer {
  background: var(--primary-dark);
  color: #9fb3c8;
  padding-top: 64px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-col h4 {
  font-size: 16px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 22px;
  letter-spacing: .5px;
}
.footer-about .f-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.footer-about .f-logo .logo-mark { width: 42px; height: 42px; font-size: 20px; }
.footer-about .f-logo .name {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .5px;
}
.footer-about p {
  font-size: 13.5px;
  line-height: 1.9;
  color: #829ab1;
  margin-bottom: 8px;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  font-size: 14px;
  color: #9fb3c8;
  transition: all .25s;
  position: relative;
  padding-left: 0;
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 6px;
}
.footer-contact li {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: #9fb3c8;
}
.footer-contact .ic {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #627d98;
}
.footer-bottom a:hover { color: var(--accent); }
.footer-bottom .icp { letter-spacing: .5px; }

/* ============================================================
   通用卡片 / 网格组件
   ============================================================ */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all .3s;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* ---------- 滚动出现动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .header-contact { display: none; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  body { font-size: 14.5px; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 36px; }
  .section-head h2 { font-size: 26px; }

  .nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--border);
  }
  .nav.open { max-height: 480px; }
  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 0;
    padding: 8px 0;
  }
  .nav-list > li { width: 100%; }
  .nav-list > li > a {
    padding: 14px 24px;
    border-bottom: 1px solid var(--bg-gray);
    border-radius: 0;
  }
  .nav-list > li > a::after { display: none; }
  .nav-toggle { display: flex; }

  .page-banner { height: 220px; }
  .page-banner h1 { font-size: 28px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .logo-text .cn { font-size: 16px; }
  .logo-text .en { font-size: 9px; }
  .logo-mark { width: 40px; height: 40px; font-size: 19px; }
}

/* ============================================================
   CTA 行动召唤（全站通用）
   ============================================================ */
.cta {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary), var(--primary-light));
  position: relative;
  overflow: hidden;
  padding: 72px 0;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 50%, rgba(200,164,94,.18), transparent 50%);
}
.cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-text h2 {
  font-size: 34px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.cta-text p {
  font-size: 16px;
  color: rgba(255,255,255,.8);
}
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.cta-tel {
  display: flex;
  align-items: center;
  gap: 14px;
}
.cta-tel .ct-icon {
  width: 56px; height: 56px;
  min-width: 56px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.cta-tel .ct-icon svg { width: 26px; height: 26px; flex-shrink: 0; }
.cta-tel .ct-info .l { font-size: 13px; color: rgba(255,255,255,.7); }
.cta-tel .ct-info .n { font-size: 26px; font-weight: 800; color: #fff; letter-spacing: 1px; }

@media (max-width: 768px) {
  .cta { padding: 52px 0; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-text h2 { font-size: 26px; }
}