/* =====================================================
   武汉K11 智慧数据门户 — Claude 风格 (浅色 / 商务 / 国际化)
   ===================================================== */
:root {
  --bg:          #F5F3EC;   /* 象牙纸感背景 */
  --bg-deep:     #EFEBE0;
  --card:        #FDFCFA;
  --border:      #E4DFD2;
  --ink:         #21201A;   /* 主文字 */
  --ink-soft:    #6E6A5E;
  --terracotta:  #C96442;   /* Claude 陶土色 */
  --terracotta-dark: #A94F30;
  --sage:        #51736B;   /* 灰绿 */
  --blue:        #5878A3;
  --gold:        #B08D46;
  --shadow:      0 1px 2px rgba(33,32,26,.05), 0 6px 24px -12px rgba(33,32,26,.18);
  --serif: Georgia, "Times New Roman", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans:  "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --en:    "Jost", var(--sans);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background:
    radial-gradient(1200px 400px at 85% -80px, rgba(201,100,66,.07), transparent),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 28px; }
a { color: inherit; text-decoration: none; }

/* ---------------- Header ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,243,236,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 36px; height: 76px; }
.brand { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.brand-mark {
  display: grid; place-items: center;
  width: 46px; height: 46px; border-radius: 13px;
  background: linear-gradient(135deg, #C96442, #A94F30);
  color: #fff; font-family: var(--serif); font-size: 17px; letter-spacing: .5px;
  box-shadow: var(--shadow);
}
.brand-text strong { display: block; font-family: var(--serif); font-size: 19px; line-height: 1.25; }
.brand-text em {
  display: block; font-style: normal; font-family: var(--en);
  font-size: 10.5px; letter-spacing: 2.6px; color: var(--ink-soft);
}
.main-nav { display: flex; gap: 6px; margin-left: auto; }
.main-nav a {
  padding: 9px 16px; border-radius: 10px; font-size: 14.5px; font-weight: 500;
  transition: all .18s ease;
}
.main-nav a i {
  display: block; font-style: normal; font-family: var(--en);
  font-size: 9.5px; letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--ink-soft); line-height: 1.1;
}
.main-nav a:hover { background: var(--bg-deep); }
.main-nav a.active { background: var(--ink); color: #fff; }
.main-nav a.active i { color: rgba(255,255,255,.55); }
.header-date { text-align: right; flex-shrink: 0; padding-left: 20px; border-left: 1px solid var(--border); }
.header-date span { display: block; font-size: 14px; font-weight: 600; }
.header-date em { display: block; font-style: normal; font-family: var(--en); font-size: 11px; color: var(--ink-soft); }

/* ---------------- Hero ---------------- */
.hero { padding: 52px 0 34px; max-width: 760px; }
.hero h1 {
  font-family: var(--serif); font-size: 38px; font-weight: 600;
  letter-spacing: .5px; line-height: 1.25;
}
.hero h1 i, h3 i {
  font-style: italic; font-weight: 400; color: var(--terracotta);
  margin-left: 10px; font-size: .72em; letter-spacing: .5px;
}
.hero p { margin-top: 14px; color: var(--ink-soft); font-size: 15.5px; }
.hero .hero-en {
  font-family: var(--en); font-size: 12.5px; letter-spacing: .6px;
  color: #98937f; margin-top: 6px;
}
.hero-meta { margin-top: 18px; display: flex; align-items: center; gap: 16px; }
.hero-meta span { font-size: 12.5px; color: #98937f; font-family: var(--en); }
#btn-refresh {
  border: 1px solid var(--border); background: var(--card);
  padding: 7px 16px; border-radius: 999px; cursor: pointer;
  font-size: 12.5px; font-family: inherit; color: var(--ink);
  transition: all .18s ease;
}
#btn-refresh:hover { border-color: var(--terracotta); color: var(--terracotta); }

/* ---------------- KPI Cards ---------------- */
.kpi-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
}
.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px 22px 16px;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
  display: flex; flex-direction: column;
}
.kpi-card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px -14px rgba(33,32,26,.28); }
.card-traffic:hover { border-color: #cfa896; }
.card-sales:hover   { border-color: #b9b38f; }
.card-member:hover  { border-color: #c0a1b5; }
.card-rent:hover    { border-color: #a3bdb4; }
.card-parking:hover { border-color: #a9bcd6; }

.kpi-card > header { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.kpi-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--terracotta); }
.card-sales   .kpi-dot { background: var(--gold); }
.card-member  .kpi-dot { background: #9A5B6B; }
.card-rent    .kpi-dot { background: var(--sage); }
.card-parking .kpi-dot { background: var(--blue); }
.kpi-card h2 { font-family: var(--serif); font-size: 19px; font-weight: 600; line-height: 1.1; }
.kpi-card h2 i {
  display: block; font-style: normal; font-family: var(--en);
  font-size: 9.5px; letter-spacing: 2.4px; color: var(--ink-soft);
}
.card-link {
  margin-left: auto; font-size: 12.5px; color: var(--terracotta);
  padding: 5px 11px; border-radius: 999px; border: 1px solid transparent;
  transition: all .18s ease; white-space: nowrap;
}
.card-link:hover { border-color: var(--terracotta); }

.kpi-big b {
  font-family: var(--serif); font-size: 30px; font-weight: 600;
  letter-spacing: .5px; display: block; line-height: 1.2;
}
.kpi-big small { color: var(--ink-soft); font-size: 12px; }
.kpi-sub {
  display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px;
  font-size: 12px; color: var(--ink-soft);
}
.kpi-sub span {
  background: var(--bg-deep); border-radius: 8px; padding: 4px 9px;
  white-space: nowrap;
}
.kpi-sub b { color: var(--ink); font-weight: 600; margin-left: 3px; }
.up   { color: #3d7a4a !important; }
.down { color: #b4442f !important; }

.chart-mini { height: 74px; margin-top: 14px; }
.mode-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; min-height: 26px; }
.mode-tags span {
  font-size: 11px; padding: 3px 10px; border-radius: 999px;
  border: 1px dashed var(--border); color: var(--ink-soft); font-family: var(--en);
}
.mode-tags span b { color: var(--sage); }
.card-note {
  margin-top: 14px; padding-top: 10px;
  border-top: 1px dashed var(--border);
  font-size: 11.5px; color: #98937f; font-family: var(--en);
  letter-spacing: .3px; margin-top: auto;
}

/* ---------------- Trend Panels ---------------- */
.trend-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 20px; }
.panel {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 18px; padding: 22px 22px 10px; box-shadow: var(--shadow);
}
.panel h3 { font-family: var(--serif); font-size: 17px; font-weight: 600; }
.panel .tag {
  font-size: 11px; font-family: var(--en); color: var(--ink-soft);
  background: var(--bg-deep); padding: 2px 10px; border-radius: 999px;
  vertical-align: middle; margin-left: 6px; font-style: normal;
}
.chart-lg { height: 300px; }

/* ---------------- Directory ---------------- */
.directory { margin: 40px 0 54px; }
.directory > h3 { font-family: var(--serif); font-size: 20px; margin-bottom: 18px; }
.dir-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.dir-item {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 18px 20px; transition: all .18s ease; position: relative;
}
.dir-item:hover { transform: translateY(-2px); border-color: var(--terracotta); box-shadow: var(--shadow); }
.dir-item b { font-size: 15px; font-weight: 600; display: block; }
.dir-item i {
  font-style: normal; font-family: var(--en); font-size: 11px;
  letter-spacing: .8px; color: var(--ink-soft); display: block; margin-top: 3px;
}
.dir-item span {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  font-family: var(--en); font-size: 12px; color: #b0aa96;
}
.dir-item::after {
  content: "→"; position: absolute; right: 62px; top: 50%;
  transform: translateY(-50%); opacity: 0; color: var(--terracotta);
  transition: all .18s ease;
}
.dir-item:hover::after { opacity: 1; right: 70px; }

/* ---------------- Footer ---------------- */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-deep); }
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  height: 64px; font-size: 12.5px; color: var(--ink-soft);
}
.footer-inner em { font-style: normal; font-family: var(--en); font-size: 11px; }

/* ---------------- Mask ---------------- */
.page-mask {
  position: fixed; inset: 0; z-index: 99;
  background: rgba(245,243,236,.75); backdrop-filter: blur(4px);
  display: grid; place-items: center; transition: opacity .3s ease;
}
.page-mask.hidden { opacity: 0; pointer-events: none; }
.mask-tip {
  font-family: var(--en); letter-spacing: 1px; color: var(--ink-soft);
  border: 1px solid var(--border); background: var(--card);
  padding: 14px 26px; border-radius: 12px; animation: pulse 1.4s ease infinite;
}
@keyframes pulse { 50% { opacity: .55; } }

/* ---------------- Responsive ---------------- */
@media (max-width: 1080px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .trend-grid { grid-template-columns: 1fr; }
  .dir-grid { grid-template-columns: repeat(2, 1fr); }
  .header-date { display: none; }
}
@media (max-width: 640px) {
  .kpi-grid, .dir-grid { grid-template-columns: 1fr; }
  .main-nav { overflow-x: auto; }
  .hero h1 { font-size: 28px; }
}