/* -*- coding: utf-8 -*- */
/* ============================================================
   蜀商茶局 · 高端设计系统 (Trust & Authority · 中式茶局)
   ui-ux-pro-max 生成 + 本地化: 宣纸/墨绿/木褐/古金/印章红
   反模式: 禁 AI 紫粉渐变 / 禁玻璃拟态 / 禁 emoji 图标
   ============================================================ */

:root {
  /* —— 色彩令牌 —— */
  --paper:      #FAF7F0;   /* 宣纸暖白 主背景 */
  --paper-2:    #F3EEE2;   /* 次级区块/卡片底 */
  --paper-3:    #ECE5D4;   /* 更深一档分隔 */
  --ink:        #1F1B16;   /* 墨 主文字 */
  --ink-2:      #4A4239;   /* 次文字 */
  --ink-3:      #8A7F70;   /* 弱文字 */
  --line:       #E0D9CA;   /* 发丝边 */
  --line-2:     #D2C9B5;   /* 强边 */
  --pine:       #2E4034;   /* 墨绿松 品牌主色/导航/Hero */
  --pine-2:     #3D5446;   /* 墨绿浅 */
  --pine-deep:  #1F2D24;   /* 墨绿深 */
  --wood:       #7A5C3E;   /* 木褐 */
  --gold:       #9C6B2E;   /* 古金 强调(大字/图标) */
  --gold-ink:   #7A5230;   /* 古金 小字用(过 4.5:1) */
  --gold-soft:  #C9A86C;   /* 古金浅 装饰 */
  --seal:       #9B2D20;   /* 印章红 极克制 */
  --on-pine:    #F5EFE0;   /* 墨绿上文字 */
  --danger:     #9B2D20;
  --success:    #2E4034;

  /* —— 字体 —— */
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC",
                "STSong", "SimSun", "FangSong", Georgia, serif;
  --font-sans:  "Noto Sans SC", "PingFang SC", "Microsoft YaHei",
                "Hiragino Sans GB", -apple-system, BlinkMacSystemFont,
                "Segoe UI", sans-serif;

  /* —— 间距/圆角/阴影 —— */
  --r-sm: 4px;
  --r:    8px;
  --r-lg: 14px;
  --shadow-1: 0 1px 2px rgba(31, 27, 22, 0.04), 0 1px 3px rgba(31, 27, 22, 0.06);
  --shadow-2: 0 6px 18px rgba(31, 27, 22, 0.07), 0 2px 6px rgba(31, 27, 22, 0.05);
  --shadow-pine: 0 10px 30px rgba(31, 45, 36, 0.18);
  --maxw: 1180px;
}

/* —— 全局基线 —— */
* { box-sizing: border-box; }

body {
  background-color: var(--paper);
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6,
.serif {
  font-family: var(--font-serif);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.18; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); line-height: 1.25; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); line-height: 1.35; }

a { color: var(--gold-ink); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--seal); }

p { margin-bottom: 1rem; }
.lead { font-size: 1.18rem; color: var(--ink-2); line-height: 1.8; }

::selection { background: var(--pine); color: var(--on-pine); }

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
  border-radius: 3px;
}

/* —— 容器 —— */
.container { max-width: var(--maxw); }

/* ============================================================
   合规 Banner
   ============================================================ */
.compliance-banner {
  background: var(--pine-deep);
  color: rgba(245, 239, 224, 0.82);
  font-size: 0.82rem;
  padding: 0.45rem 0;
  text-align: center;
  border-bottom: 2px solid var(--gold-soft);
  letter-spacing: 0.02em;
}

/* ============================================================
   导航栏
   ============================================================ */
.navbar.bg-chaju {
  background: var(--pine) !important;
  border-bottom: 1px solid rgba(201, 168, 108, 0.22);
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}
.navbar.bg-chaju.scrolled {
  background: rgba(31, 45, 36, 0.97) !important;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.18);
}

.navbar-dark .navbar-brand {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--gold-soft);
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.navbar-dark .navbar-brand .brand-seal {
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--gold-soft);
  border-radius: 4px;
  font-size: 0.95rem;
  color: var(--gold-soft);
  background: rgba(201, 168, 108, 0.08);
}

.navbar-dark .nav-link {
  color: rgba(245, 239, 224, 0.82);
  font-size: 0.98rem;
  padding: 0.5rem 0.95rem !important;
  position: relative;
  transition: color .2s ease;
}
.navbar-dark .nav-link:hover,
.navbar-dark .nav-link:focus {
  color: var(--gold-soft);
}
.navbar-dark .nav-link.active::after,
.navbar-dark .nav-link:hover::after {
  content: "";
  position: absolute;
  left: 0.95rem; right: 0.95rem; bottom: 0.2rem;
  height: 2px;
  background: var(--gold-soft);
}

.navbar-dark .navbar-toggler {
  border-color: rgba(201, 168, 108, 0.4);
  padding: 0.3rem 0.55rem;
}
.navbar-dark .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23C9A86C' stroke-linecap='round' stroke-width='2' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}

.dropdown-menu {
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow-2);
  background: var(--paper);
  padding: 0.4rem;
}
.dropdown-item {
  border-radius: var(--r-sm);
  color: var(--ink-2);
  padding: 0.5rem 0.8rem;
}
.dropdown-item:hover { background: var(--paper-2); color: var(--ink); }

/* ============================================================
   按钮
   ============================================================ */
.btn { font-family: var(--font-sans); font-weight: 500; border-radius: var(--r); padding: 0.62rem 1.4rem; transition: all .2s ease; }
.btn-lg { padding: 0.85rem 2rem; font-size: 1.08rem; }

.btn-primary,
.btn-pine {
  background: var(--pine);
  border: 1px solid var(--pine);
  color: var(--on-pine);
}
.btn-primary:hover,
.btn-pine:hover {
  background: var(--pine-deep);
  border-color: var(--pine-deep);
  color: var(--gold-soft);
}

.btn-gold {
  background: var(--gold-ink);
  border: 1px solid var(--gold-ink);
  color: var(--on-pine);
}
.btn-gold:hover { background: var(--wood); border-color: var(--wood); color: #fff; }

.btn-outline-primary,
.btn-outline-pine {
  color: var(--pine);
  border: 1px solid var(--pine);
  background: transparent;
}
.btn-outline-primary:hover,
.btn-outline-pine:hover {
  background: var(--pine);
  color: var(--on-pine);
}

.btn-outline-paper {
  color: var(--on-pine);
  border: 1px solid rgba(245, 239, 224, 0.55);
  background: transparent;
}
.btn-outline-paper:hover {
  background: rgba(245, 239, 224, 0.1);
  border-color: var(--gold-soft);
  color: var(--gold-soft);
}

.btn-link-clean {
  color: var(--gold-ink);
  font-weight: 500;
  padding: 0;
}
.btn-link-clean:hover { color: var(--seal); }

/* ============================================================
   通用区块
   ============================================================ */
.section { padding: 4.5rem 0; }
.section-tight { padding: 3rem 0; }
.section-pine { background: var(--pine); color: var(--on-pine); }
.section-pine h1, .section-pine h2, .section-pine h3 { color: var(--on-pine); }
.section-paper2 { background: var(--paper-2); }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--gold-ink);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--gold-soft);
  display: inline-block;
}
.section-pine .eyebrow { color: var(--gold-soft); }
.section-pine .eyebrow::before { background: var(--gold-soft); }

.section-title {
  margin-bottom: 0.8rem;
}
.section-sub {
  color: var(--ink-3);
  font-size: 1.05rem;
  max-width: 640px;
}
.section-pine .section-sub { color: rgba(245, 239, 224, 0.75); }

/* 发丝分隔 */
.rule {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--line-2), transparent);
  border: 0;
  margin: 0;
}

/* ============================================================
   印章 (Seal) —— 中式权威印记
   ============================================================ */
.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--seal);
  border: 2.5px solid var(--seal);
  border-radius: 6px;
  background: rgba(155, 45, 32, 0.03);
  line-height: 1.05;
  transform: rotate(-5deg);
  letter-spacing: 0.06em;
}
.seal-sm { width: 52px; height: 52px; font-size: 0.95rem; padding: 4px; }
.seal-md { width: 74px; height: 74px; font-size: 1.25rem; padding: 6px; }
.seal-lg { width: 96px; height: 96px; font-size: 1.5rem; padding: 8px; }
.seal span { display: block; text-align: center; }

/* ============================================================
   卡片
   ============================================================ */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow-1);
  color: var(--ink-2);
}
.card-header {
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--ink);
  border-radius: var(--r) var(--r) 0 0 !important;
  padding: 0.9rem 1.2rem;
}
.card-body { padding: 1.2rem; }

.portal-card {
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  cursor: pointer;
  height: 100%;
}
.portal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: var(--gold-soft);
}

/* 图标方块 (SVG, 非 emoji) */
.icon-tile {
  width: 52px; height: 52px;
  border-radius: var(--r);
  background: var(--paper-2);
  border: 1px solid var(--line);
  color: var(--pine);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
}
.icon-tile svg { width: 26px; height: 26px; }
.icon-tile.gold { color: var(--gold-ink); border-color: var(--gold-soft); background: rgba(201,168,108,0.1); }
.section-pine .icon-tile { background: rgba(245,239,224,0.06); border-color: rgba(201,168,108,0.3); color: var(--gold-soft); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(201,168,108,0.10), transparent 55%),
    var(--pine);
  color: var(--on-pine);
  padding: 4.5rem 0 4.5rem;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(245,239,224,0.018) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, rgba(245,239,224,0.018) 0 1px, transparent 1px 40px);
  pointer-events: none;
}
.hero h1 { color: var(--on-pine); }
.hero .lead { color: rgba(245,239,224,0.82); }
.hero .eyebrow { color: var(--gold-soft); }
.hero .eyebrow::before { background: var(--gold-soft); }
.hero-watermark {
  position: absolute;
  right: -2rem; bottom: -3rem;
  font-family: var(--font-serif);
  font-size: 22rem;
  line-height: 1;
  color: rgba(245,239,224,0.035);
  font-weight: 700;
  pointer-events: none;
  user-select: none;
}

/* 统计条 */
.stat-row { display: flex; flex-wrap: wrap; gap: 2.5rem; margin-top: 2.5rem; }
.stat .num {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--gold-soft);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat .label { font-size: 0.92rem; color: rgba(245,239,224,0.7); margin-top: 0.35rem; letter-spacing: 0.05em; }

/* ============================================================
   三大工种 卡片组
   ============================================================ */
.track-card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold-soft);
  border-radius: var(--r);
  padding: 1.6rem;
  height: 100%;
  transition: box-shadow .25s ease, transform .25s ease;
}
.track-card:hover { box-shadow: var(--shadow-2); transform: translateY(-3px); }
.track-card h3 { margin-bottom: 0.5rem; }
.track-card .track-tag {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--gold-ink);
  margin-bottom: 0.8rem;
}

/* 流程步骤 */
.step {
  position: relative;
  padding-left: 3.2rem;
}
.step .step-num {
  position: absolute; left: 0; top: 0;
  width: 2.3rem; height: 2.3rem;
  border: 1.5px solid var(--gold-soft);
  border-radius: 50%;
  color: var(--gold-ink);
  font-family: var(--font-serif);
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  background: var(--paper);
}
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.07rem; top: 2.5rem; bottom: -1.2rem;
  width: 1px; background: var(--line-2);
}
.step h4 { font-size: 1.1rem; margin-bottom: 0.3rem; }
.step p { color: var(--ink-3); margin-bottom: 1.4rem; font-size: 0.98rem; }

/* 痛点 / 服务 网格 */
.feature-item {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--r);
  padding: 1.3rem;
  height: 100%;
  transition: border-color .2s ease;
}
.feature-item:hover { border-color: var(--gold-soft); }
.feature-item .ico { color: var(--gold-ink); margin-bottom: 0.7rem; }
.feature-item .ico svg { width: 24px; height: 24px; }
.feature-item h4 { font-size: 1.05rem; margin-bottom: 0.35rem; }
.feature-item p { font-size: 0.94rem; color: var(--ink-3); margin: 0; line-height: 1.65; }

/* 简报卡 */
.briefing-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 1.4rem;
  height: 100%;
  transition: box-shadow .25s ease, transform .25s ease;
}
.briefing-card:hover { box-shadow: var(--shadow-2); transform: translateY(-3px); }
.briefing-card .meta { font-size: 0.82rem; color: var(--ink-3); letter-spacing: 0.03em; }
.briefing-card h4 { font-size: 1.12rem; margin: 0.5rem 0 0.6rem; }
.briefing-card p { font-size: 0.95rem; color: var(--ink-3); margin: 0; }

/* 会员/价目 */
.price-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 2rem 1.8rem;
  height: 100%;
  position: relative;
}
.price-card.featured {
  border: 1.5px solid var(--gold-soft);
  box-shadow: var(--shadow-2);
}
.price-card .price-tag {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--pine);
  line-height: 1;
}
.price-card .price-unit { color: var(--ink-3); font-size: 0.95rem; }
.price-card ul { list-style: none; padding: 0; margin: 1.3rem 0 0; }
.price-card li {
  padding: 0.45rem 0 0.45rem 1.7rem;
  position: relative;
  border-bottom: 1px dashed var(--line);
  font-size: 0.96rem;
  color: var(--ink-2);
}
.price-card li::before {
  content: "";
  position: absolute; left: 0; top: 0.85rem;
  width: 8px; height: 8px;
  background: var(--gold-soft);
  transform: rotate(45deg);
}
.price-card li:last-child { border-bottom: 0; }

/* 引述/证言 */
.quote {
  border-left: 3px solid var(--gold-soft);
  padding: 0.4rem 0 0.4rem 1.3rem;
  font-family: var(--font-serif);
  font-size: 1.18rem;
  color: var(--ink);
  line-height: 1.7;
}
.quote .who { display: block; font-family: var(--font-sans); font-size: 0.9rem; color: var(--ink-3); margin-top: 0.6rem; }

/* ============================================================
   页脚
   ============================================================ */
.footer {
  background: var(--pine-deep);
  color: rgba(245, 239, 224, 0.7);
  border-top: 2px solid var(--gold-soft);
  padding: 3rem 0 1.8rem;
  margin-top: auto;
}
.footer h5 {
  color: var(--gold-soft);
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.footer a { color: rgba(245, 239, 224, 0.72); }
.footer a:hover { color: var(--gold-soft); }
.footer .footer-brand {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--gold-soft);
  letter-spacing: 0.1em;
}
.footer hr { border-color: rgba(201, 168, 108, 0.18); }
.footer .small { font-size: 0.82rem; color: rgba(245, 239, 224, 0.5); }

/* ============================================================
   表单
   ============================================================ */
.form-label { font-weight: 500; color: var(--ink); margin-bottom: 0.35rem; }
.form-control, .form-select {
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  padding: 0.62rem 0.9rem;
  font-size: 1rem;
  background: #fff;
  color: var(--ink);
}
.form-control:focus, .form-select:focus {
  border-color: var(--gold-soft);
  box-shadow: 0 0 0 3px rgba(201, 168, 108, 0.18);
}
.form-text { color: var(--ink-3); font-size: 0.85rem; }
.input-group-text {
  background: var(--paper-2);
  border-color: var(--line-2);
  color: var(--ink-3);
}

/* 徽标 */
.badge { font-weight: 500; letter-spacing: 0.03em; }
.badge-pine { background: var(--pine); color: var(--on-pine); }
.badge-gold { background: var(--gold-ink); color: var(--on-pine); }
.badge-soft { background: var(--paper-3); color: var(--ink-2); }

/* 表格 */
.table { color: var(--ink-2); }
.table thead th {
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 600;
  border-bottom: 1px solid var(--line-2);
  font-size: 0.92rem;
}
.table td { border-color: var(--line); }
.table-striped tbody tr:nth-of-type(odd) { background: rgba(243, 238, 226, 0.4); }

/* Alert */
.alert { border-radius: var(--r); border: 1px solid var(--line); }
.alert-info { background: var(--paper-2); color: var(--ink-2); border-color: var(--line-2); }
.alert-danger { background: rgba(155,45,32,0.05); color: var(--seal); border-color: rgba(155,45,32,0.3); }
.alert-success { background: rgba(46,64,52,0.05); color: var(--pine); border-color: rgba(46,64,52,0.3); }

/* 工具类 */
.text-ink { color: var(--ink) !important; }
.text-ink-2 { color: var(--ink-2) !important; }
.text-ink-3 { color: var(--ink-3) !important; }
.text-pine { color: var(--pine) !important; }
.text-gold { color: var(--gold-ink) !important; }
.text-seal { color: var(--seal) !important; }
.bg-paper { background: var(--paper) !important; }
.bg-paper-2 { background: var(--paper-2) !important; }
.bg-pine { background: var(--pine) !important; }
.border-line { border-color: var(--line) !important; }
.fs-7 { font-size: 0.92rem; }
.fw-serif { font-family: var(--font-serif); }
.lh-tight { line-height: 1.3; }

/* Radar ack countdown */
#ack-countdown {
  font-variant-numeric: tabular-nums;
  color: var(--wood);
  font-weight: 600;
}

/* 聊天 (茶局管家) */
.chat-history {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 1rem;
  min-height: 200px;
  max-height: 440px;
  overflow: auto;
}
.chat-turn { display: block; }
.chat-turn-user { text-align: right; }
.chat-bubble {
  display: inline-block;
  max-width: 82%;
  padding: 0.55rem 0.95rem;
  border-radius: var(--r);
  font-size: 0.96rem;
  line-height: 1.6;
  text-align: left;
  word-break: break-word;
}
.chat-bubble-user { background: var(--pine); color: var(--on-pine); }
.chat-bubble-bot { background: #fff; color: var(--ink-2); border: 1px solid var(--line); }

/* 动效尊重 reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .portal-card:hover, .track-card:hover, .briefing-card:hover { transform: none; }
}

/* 响应式微调 */
@media (max-width: 768px) {
  body { font-size: 16px; }
  .section { padding: 3rem 0; }
  .hero { padding: 3rem 0; }
  .stat-row { gap: 1.5rem; }
  .hero-watermark { font-size: 12rem; }
}