/* ============================================================
 * 霍高文 · Kalzip 深度分析文档系列 — 共享样式表
 * 设计语言：国际咨询报告 · Navy + Copper 双主色
 * ============================================================ */

:root {
  --primary: #0f3d5c;
  --primary-hover: #1a5fb4;
  --primary-soft: #e6eef4;
  --accent: #c8892d;
  --accent-soft: #f5e9d1;
  --accent-dark: #8f5f14;
  --text: #1a1f26;
  --text-muted: #5f6b76;
  --text-light: #8a94a0;
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --bg-alt: #fafbfc;
  --border: #e5e8ed;
  --border-strong: #c8ced6;
  --success: #137333;
  --success-bg: #e6f4ea;
  --success-border: #a3d9b5;
  --warning-bg: #fff8dc;
  --warning-border: #e6d68f;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(15, 61, 92, 0.06);
  --shadow: 0 2px 8px rgba(15, 61, 92, 0.08);
  --shadow-lg: 0 8px 32px rgba(15, 61, 92, 0.10);

  --font-sans: "Inter", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-serif: "Source Serif Pro", Georgia, "Songti SC", "STSong", serif;
  --font-mono: "SF Mono", Menlo, Consolas, "Courier New", monospace;

  --max-width: 1080px;
  --nav-height: 56px;
}

/* -------- Reset / base -------- */
* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg-soft);
  margin: 0;
  padding: 0;
  max-width: none;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  text-rendering: optimizeLegibility;
}

/* -------- Sticky top navigation -------- */
.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 61, 92, 0.98);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 32px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.08), var(--shadow-sm);
}
.topnav .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  color: #fff;
  text-decoration: none;
}
.topnav .brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}
.topnav .brand-name {
  font-size: 14.5px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.2px;
}
.topnav .brand-name .brand-sub {
  color: rgba(255,255,255,0.6);
  font-weight: 400;
  margin-left: 8px;
  font-size: 13px;
}
.topnav ul {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.topnav ul li a {
  display: inline-block;
  padding: 8px 14px;
  color: rgba(255,255,255,0.78);
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  letter-spacing: 0.1px;
}
.topnav ul li a:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}
/* active state per page */
body.page-01 .topnav .nav-01 a,
body.page-02 .topnav .nav-02 a,
body.page-03 .topnav .nav-03 a,
body.page-04 .topnav .nav-04 a {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 3px rgba(200, 137, 45, 0.4);
}

/* -------- Hero header (第一屏) -------- */
.hero {
  background: linear-gradient(135deg, #0f3d5c 0%, #164a70 60%, #1e5c85 100%);
  color: #fff;
  padding: 56px 32px 48px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(200, 137, 45, 0.16), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}
.hero .eyebrow {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-soft);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.hero h1 {
  color: #fff;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 16px;
  border: none;
  padding: 0;
  letter-spacing: -0.4px;
  text-wrap: balance;
}
.hero .subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.82);
  line-height: 1.6;
  max-width: 780px;
  margin: 0 0 24px;
  font-weight: 400;
}
.hero .meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 13px;
}
.hero .meta-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.hero .meta-label {
  color: rgba(255,255,255,0.55);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.hero .meta-value {
  color: #fff;
  font-weight: 500;
}
.hero .meta-value a { color: var(--accent-soft); text-decoration: none; border-bottom: 1px dashed rgba(245, 233, 209, 0.4); }
.hero .meta-value a:hover { color: #fff; border-bottom-color: #fff; }

/* -------- Main content wrapper -------- */
.doc-body {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px 64px;
  background: transparent;
}

/* -------- Typography -------- */
.doc-body h1 {
  color: var(--primary);
  font-size: 30px;
  font-weight: 700;
  border-bottom: 3px solid var(--primary);
  padding-bottom: 12px;
  margin-top: 48px;
  margin-bottom: 24px;
  letter-spacing: -0.3px;
}
.doc-body h2 {
  color: var(--primary);
  font-size: 22px;
  font-weight: 700;
  margin-top: 44px;
  margin-bottom: 18px;
  padding: 4px 0 4px 14px;
  border-left: 4px solid var(--accent);
  letter-spacing: -0.2px;
  text-wrap: balance;
}
.doc-body h3 {
  color: var(--text);
  font-size: 17.5px;
  font-weight: 700;
  margin-top: 28px;
  margin-bottom: 12px;
  letter-spacing: -0.1px;
}
.doc-body h4 {
  color: var(--text);
  font-size: 15.5px;
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 10px;
}
.doc-body p {
  margin: 12px 0;
  color: var(--text);
}
.doc-body strong { color: var(--text); font-weight: 700; }
.doc-body em { color: var(--text-muted); }
.doc-body a { color: var(--primary-hover); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.15s ease; }
.doc-body a:hover { border-bottom-color: var(--primary-hover); }
.doc-body ul, .doc-body ol { padding-left: 26px; margin: 12px 0; }
.doc-body li { margin: 5px 0; }

/* -------- Blockquote / meta card -------- */
.doc-body blockquote {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 18px 24px;
  margin: 20px 0;
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.75;
  box-shadow: var(--shadow-sm);
}
.doc-body blockquote strong { color: var(--primary); }
.doc-body blockquote a { color: var(--primary); border-bottom: 1px dotted var(--primary-hover); }

/* -------- Tables (咨询报告级) -------- */
.doc-body table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 20px 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 14px;
  box-shadow: var(--shadow-sm);
}
.doc-body table th {
  background: var(--primary);
  color: #fff;
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.3px;
  border: none;
  border-bottom: 1px solid var(--primary);
}
.doc-body table td {
  padding: 11px 14px;
  border: none;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text);
}
.doc-body table tr:last-child td { border-bottom: none; }
.doc-body table tr:nth-child(even) td { background: var(--bg-alt); }
.doc-body table tr:hover td { background: var(--primary-soft); transition: background 0.15s ease; }

/* -------- Highlight box -------- */
.doc-body .highlight {
  background: linear-gradient(135deg, #fff8ea, #fdf3d8);
  border: 1px solid var(--warning-border);
  border-left: 4px solid var(--accent);
  padding: 16px 22px;
  border-radius: var(--radius);
  margin: 20px 0;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}
.doc-body .highlight strong { color: var(--accent-dark); }

/* -------- Navigation footer block -------- */
.doc-body .nav {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 22px;
  margin: 32px 0 0;
  font-size: 14px;
  box-shadow: var(--shadow-sm);
}
.doc-body .nav strong { color: var(--primary); }
.doc-body .nav a { font-weight: 500; }

/* -------- Attachment URL cell -------- */
.doc-body .attach-url {
  font-family: var(--font-mono);
  font-size: 12px;
  word-break: break-all;
  color: var(--text-muted);
  line-height: 1.55;
}
.doc-body .attach-url a { color: var(--primary-hover); border-bottom: none; }

/* -------- Summary box (yellow tinted) -------- */
.doc-body .summary {
  background: linear-gradient(135deg, #fff8ea, #fdf3d8);
  border: 1px solid var(--warning-border);
  border-left: 4px solid var(--accent);
  padding: 18px 24px;
  border-radius: var(--radius);
  margin: 24px 0;
  color: var(--text);
  font-size: 15px;
  box-shadow: var(--shadow-sm);
}
.doc-body .summary strong { color: var(--accent-dark); }

/* -------- Query buttons (04 案例库) -------- */
.doc-body .query {
  white-space: nowrap;
  text-align: center;
  font-size: 12.5px;
}
.doc-body .query a {
  display: inline-block;
  padding: 4px 10px;
  margin: 1px;
  background: var(--primary-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--primary-hover);
  font-weight: 500;
  border-bottom: none;
  transition: all 0.15s ease;
}
.doc-body .query a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(15, 61, 92, 0.15);
}
.doc-body .query a.local {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success);
  font-weight: 600;
}
.doc-body .query a.local:hover {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
  box-shadow: 0 2px 6px rgba(19, 115, 51, 0.25);
}
.doc-body .query .sep { color: var(--text-light); margin: 0 2px; }

/* -------- HR separator -------- */
.doc-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* -------- Footer -------- */
.doc-footer {
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding: 24px 32px 40px;
  border-top: 1px solid var(--border);
  color: var(--text-light);
  font-size: 12.5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.doc-footer .brand-line {
  display: flex;
  align-items: center;
  gap: 10px;
}
.doc-footer .brand-line .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* -------- Responsive -------- */
@media (max-width: 900px) {
  .topnav { padding: 0 16px; }
  .topnav .brand-name .brand-sub { display: none; }
  .topnav ul li a { padding: 6px 8px; font-size: 12.5px; }
  .hero { padding: 40px 20px 32px; }
  .hero h1 { font-size: 26px; }
  .hero .subtitle { font-size: 15px; }
  .doc-body { padding: 0 20px 48px; }
  .doc-body h1 { font-size: 24px; }
  .doc-body h2 { font-size: 18.5px; }
  .doc-body table { font-size: 13px; }
  .doc-body table th, .doc-body table td { padding: 8px 10px; }
}

/* -------- Print -------- */
@media print {
  .topnav { display: none; }
  body { background: #fff; }
  .hero { break-inside: avoid; }
  .doc-body table { break-inside: avoid; }
  a { color: var(--primary); }
}