/*
Theme Name: CaiDong AI Systems
Theme URI: https://wp.caidong.cloud
Author: CaiDong
Author URI: https://wp.caidong.cloud
Description: A custom WordPress theme for CaiDong AI Systems portfolio with bilingual support (Chinese/English), interactive Canvas, and system demos.
Version: 3.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: jianyi-ai
Tags: custom-background, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ===== 基础变量 ===== */
:root {
  --bg: #07090b;
  --bg2: #0d1117;
  --fg: #e8e6e3;
  --muted: #8b949e;
  --border: #30363d;
  --accent: #d9ff3f;
  --accent2: #58a6ff;
  --card-bg: #161b22;
  --success: #3fb950;
  --warning: #d29922;
  --danger: #f85149;
}
body.light {
  --bg: #ffffff;
  --bg2: #f6f8fa;
  --fg: #1f2328;
  --muted: #59636e;
  --border: #d1d9e0;
  --accent: #1a7f37;
  --accent2: #0969da;
  --card-bg: #ffffff;
  --success: #1a7f37;
  --warning: #9a6700;
  --danger: #cf222e;
}

/* ===== 基础重置 ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

/* ===== 加载动画 ===== */
#loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}
body.loaded #loader { opacity: 0; visibility: hidden; }
#loader b { font-size: 48px; font-weight: 700; letter-spacing: 4px; }
#loader small { font-size: 14px; color: var(--muted); letter-spacing: 8px; margin-top: 8px; }
#loader i {
  width: 60px; height: 2px; background: var(--border); margin-top: 24px;
  position: relative; overflow: hidden;
}
#loader i::after {
  content: ''; position: absolute; left: -100%; top: 0; width: 100%; height: 100%;
  background: var(--accent); animation: load 1.5s infinite;
}
@keyframes load { to { left: 100%; } }

/* ===== 噪点背景 ===== */
.noise {
  position: fixed; inset: 0; z-index: -1; opacity: 0.03; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* ===== 进度条 ===== */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; background: var(--accent);
  width: 0%; z-index: 1000; transition: width 0.1s;
}

/* ===== 导航 ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 40px;
  background: rgba(7, 9, 11, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
body.light .nav { background: rgba(255, 255, 255, 0.8); }
.brand { text-decoration: none; color: var(--fg); display: flex; align-items: baseline; gap: 8px; }
.brand b { font-size: 24px; font-weight: 700; }
.brand span { font-size: 14px; color: var(--muted); letter-spacing: 2px; }
#nav { display: flex; gap: 32px; }
#nav a {
  color: var(--muted); text-decoration: none; font-size: 13px;
  letter-spacing: 1px; text-transform: uppercase; transition: color 0.3s;
  position: relative;
}
#nav a:hover, #nav a.active { color: var(--accent); }
#nav a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0;
  height: 1px; background: var(--accent); transition: width 0.3s;
}
#nav a:hover::after, #nav a.active::after { width: 100%; }
.tools { display: flex; gap: 12px; }
.tools button {
  background: transparent; border: 1px solid var(--border); color: var(--fg);
  width: 40px; height: 40px; border-radius: 8px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: all 0.3s;
}
.tools button:hover { border-color: var(--accent); color: var(--accent); }

/* ===== 英雄区 ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: space-between;
  padding: 120px 40px 80px; max-width: 1400px; margin: 0 auto; gap: 60px;
}
.eyebrow {
  display: flex; align-items: center; gap: 12px; font-size: 13px;
  color: var(--muted); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 24px;
}
.eyebrow i { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; }
.hero h1 {
  font-size: clamp(42px, 6vw, 72px); font-weight: 700; line-height: 1.1;
  margin-bottom: 24px; letter-spacing: -1px;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p {
  font-size: 18px; color: var(--muted); line-height: 1.8;
  max-width: 560px; margin-bottom: 32px;
}
.actions { display: flex; gap: 16px; margin-bottom: 48px; }
.btn {
  padding: 14px 28px; border-radius: 8px; text-decoration: none;
  font-size: 14px; font-weight: 600; letter-spacing: 0.5px;
  transition: all 0.3s; border: 1px solid var(--border); color: var(--fg);
}
.btn.primary {
  background: var(--accent); color: var(--bg); border-color: var(--accent);
}
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(217, 255, 63, 0.3); }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.metrics { display: flex; gap: 48px; }
.metrics b { font-size: 32px; font-weight: 700; }
.metrics small { display: block; font-size: 13px; color: var(--muted); font-weight: 400; margin-top: 4px; }

/* ===== 控制台/画布 ===== */
.console {
  width: 480px; height: 400px; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 16px; overflow: hidden;
  display: flex; flex-direction: column;
  transition: all 0.3s;
}
body.light .console {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}
.ct {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--muted); letter-spacing: 1px;
}
body.light .ct { color: #24292f; }
.ct b { color: var(--success); font-weight: 400; font-size: 11px; }
#canvas { flex: 1; width: 100%; }
.cb {
  padding: 16px 20px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--muted); letter-spacing: 1px; text-align: center;
}
body.light .cb { color: #24292f; }

/* ===== 滚动标签 ===== */
.ticker {
  display: flex; gap: 40px; padding: 20px 0; overflow: hidden;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.ticker span {
  font-size: 12px; color: var(--muted); letter-spacing: 2px;
  white-space: nowrap; animation: ticker 30s linear infinite;
}
@keyframes ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-100%); } }

/* ===== 通用区块 ===== */
.section { padding: 100px 40px; max-width: 1400px; margin: 0 auto; }
.label {
  font-size: 12px; color: var(--muted); letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 32px;
}
.section h2 { font-size: clamp(32px, 4vw, 48px); font-weight: 700; line-height: 1.2; margin-bottom: 16px; }
.section h2 em { font-style: normal; color: var(--accent); }
.section p { font-size: 16px; color: var(--muted); line-height: 1.8; max-width: 640px; }

/* ===== 系统卡片 ===== */
.head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; }
.filters { display: flex; gap: 8px; }
.filters button {
  padding: 8px 16px; border-radius: 20px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); font-size: 12px;
  letter-spacing: 1px; cursor: pointer; transition: all 0.3s;
}
.filters button:hover, .filters button.on { border-color: var(--accent); color: var(--accent); }
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 24px;
}
.card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px;
  padding: 32px; cursor: pointer; transition: all 0.3s; position: relative;
  overflow: hidden;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 12px 40px rgba(0,0,0,0.2); }
.card.featured { border-color: var(--accent); }
.card .meta {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
  font-size: 12px; color: var(--muted);
}
.card .meta b { font-size: 14px; color: var(--accent); }
.card .meta i { font-style: normal; padding: 2px 8px; border-radius: 10px; background: rgba(217, 255, 63, 0.1); color: var(--accent); font-size: 10px; }
.card h3 { font-size: 22px; font-weight: 600; margin-bottom: 12px; line-height: 1.3; }
.card p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 20px; }

/* ===== 系统架构示意图（内联 SVG，跟随主题色） ===== */
.sysdiagram { width: 100%; height: auto; display: block; margin: 0 0 18px; }
.sysdiagram rect { transition: stroke-opacity .3s, fill-opacity .3s; }
.card:hover .sysdiagram rect { stroke-opacity: .4; }
.sysdiagram .t-en { display: none; }
body.lang-en .sysdiagram .t-zh { display: none; }
body.lang-en .sysdiagram .t-en { display: inline; }
.card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.card .tags span {
  font-size: 11px; padding: 4px 10px; border-radius: 12px;
  background: rgba(255,255,255,0.05); color: var(--muted);
}
.card .open { font-size: 13px; color: var(--accent); font-weight: 500; }

/* ===== Demo 区域 ===== */
.demo { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.demohead { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 32px; }
.demoaside { display: flex; flex-direction: column; align-items: flex-end; gap: 12px; flex-shrink: 0; }
.simbadge {
  display: inline-block; padding: 6px 12px; border-radius: 8px;
  border: 1px dashed rgba(217, 255, 63, 0.45); color: var(--accent);
  font-size: 11px; letter-spacing: 1px; white-space: nowrap;
}
.pill {
  display: inline-block; padding: 4px 12px; border-radius: 12px;
  background: rgba(217, 255, 63, 0.1); color: var(--accent);
  font-size: 11px; letter-spacing: 1px; margin-bottom: 12px;
}
.demoarea {
  min-height: 300px; background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px; display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 48px; text-align: center;
}
.demoarea.empty { flex-direction: column; gap: 16px; }
.demoarea small { font-size: 13px; letter-spacing: 2px; }
.card.hide { display: none; }
.noscript {
  margin-top: 16px; padding: 14px 18px; border-radius: 8px; text-align: left;
  border: 1px solid rgba(217, 255, 63, 0.35); background: rgba(217, 255, 63, 0.06);
  color: var(--fg); font-size: 13px; line-height: 1.7;
}
.demo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; width: 100%; }
.panel { background: rgba(0,0,0,0.2); border-radius: 12px; padding: 24px; }
body.light .panel { background: rgba(0,0,0,0.03); }
.panel h4 { font-size: 13px; color: var(--muted); letter-spacing: 1px; margin-bottom: 16px; text-transform: uppercase; }
.input {
  width: 100%; min-height: 120px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 16px; color: var(--fg); font-size: 14px;
  font-family: inherit; resize: vertical; margin-bottom: 16px;
}
.run {
  padding: 10px 24px; background: var(--accent); color: var(--bg);
  border: none; border-radius: 8px; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all 0.3s;
}
.run:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(217, 255, 63, 0.3); }
.result {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px; font-size: 13px; line-height: 1.8; color: var(--fg);
  min-height: 100px; white-space: pre-wrap;
}
.bars { margin-bottom: 16px; }
.bars > div { margin-bottom: 12px; font-size: 13px; color: var(--muted); }
.bar {
  display: block; height: 4px; background: var(--border); border-radius: 2px;
  margin-top: 6px; overflow: hidden;
}
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 2px; transition: width 0.5s; }

/* ===== 提示框 ===== */
.note {
  font-size: 12px; color: var(--muted); letter-spacing: 1px; text-align: right;
  padding: 16px; border: 1px solid var(--border); border-radius: 8px;
}
.note b { color: var(--accent); display: block; margin-top: 4px; }

/* ===== 架构流程 ===== */
.archhead { margin-bottom: 48px; }
.arch {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  flex-wrap: wrap; padding: 40px 0;
}
.arch div {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px 24px; text-align: center; min-width: 140px;
}
.arch div.accent { border-color: var(--accent); background: rgba(217, 255, 63, 0.05); }
.arch div small { display: block; font-size: 11px; color: var(--muted); margin-top: 4px; }
.arch b { color: var(--muted); font-size: 20px; }

/* ===== 时间线 ===== */
.journey { position: relative; }
.journey::before {
  content: ''; position: absolute; left: 40px; top: 0; bottom: 0;
  width: 1px; background: var(--border);
}
.journey > div { display: flex; gap: 40px; margin-bottom: 40px; position: relative; }
.journey time {
  width: 80px; flex-shrink: 0; font-size: 24px; font-weight: 700;
  color: var(--accent); text-align: right; padding-top: 8px;
}
.journey article {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px;
  padding: 28px; flex: 1; position: relative;
}
.journey article::before {
  content: ''; position: absolute; left: -33px; top: 32px;
  width: 12px; height: 12px; background: var(--accent); border-radius: 50%;
  border: 2px solid var(--bg);
}
.journey h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.journey p { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.journey small { font-size: 12px; color: var(--accent2); letter-spacing: 1px; }

/* ===== 关于 ===== */
.about { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.aboutgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.aboutgrid h2 { font-size: clamp(28px, 3.5vw, 40px); line-height: 1.3; }
.aboutgrid p { font-size: 15px; color: var(--muted); line-height: 1.9; margin-bottom: 20px; }
.aboutgrid strong { display: block; font-size: 24px; margin-top: 32px; }
.aboutgrid strong small { color: var(--muted); font-weight: 400; font-size: 14px; margin-left: 8px; }

/* ===== 原则 ===== */
.pgrid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.pgrid div {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px;
  padding: 32px 24px; text-align: center; transition: all 0.3s;
}
.pgrid div:hover { border-color: var(--accent); transform: translateY(-4px); }
.pgrid b { font-size: 32px; color: var(--accent); display: block; margin-bottom: 16px; }
.pgrid h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.pgrid p { font-size: 13px; color: var(--muted); }

/* ===== Philosophy ===== */
.philosophy {
  min-height: 520px; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 120px 40px;
}
.big-quote {
  font-size: clamp(40px, 6vw, 84px); font-weight: 700; line-height: 1.2;
  letter-spacing: -2px; max-width: 900px;
}
.big-quote em { color: var(--accent); font-style: normal; }

/* ===== 联系 ===== */
.contact { text-align: center; padding: 120px 40px; }
.contact h2 { font-size: clamp(32px, 4vw, 56px); margin-bottom: 16px; }
.contact h2 em { font-style: normal; color: var(--accent); }
.contact p { font-size: 16px; color: var(--muted); margin-bottom: 40px; max-width: 500px; margin-left: auto; margin-right: auto; }
.contact a {
  display: inline-block; font-size: 24px; color: var(--accent);
  text-decoration: none; font-weight: 600; margin-bottom: 16px;
  border-bottom: 2px solid transparent; transition: border-color 0.3s;
}
.contact a:hover { border-color: var(--accent); }
.contact span { display: block; font-size: 12px; color: var(--muted); letter-spacing: 2px; margin-top: 24px; }

/* ===== 页脚 ===== */
footer {
  padding: 40px; text-align: center; font-size: 13px; color: var(--muted);
  border-top: 1px solid var(--border);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero { flex-direction: column; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .console { width: 100%; max-width: 480px; }
  .arch { flex-direction: column; }
  .arch b { transform: rotate(90deg); }
  .pgrid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  #nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); padding: 20px; flex-direction: column; gap: 16px; border-bottom: 1px solid var(--border); }
  #nav.show { display: flex; }
  .section { padding: 60px 20px; }
  .grid { grid-template-columns: 1fr; }
  .demo-grid { grid-template-columns: 1fr; }
  .demohead { flex-direction: column; gap: 16px; }
  .demoaside { align-items: flex-start; }
  .simbadge { white-space: normal; }
  .aboutgrid { grid-template-columns: 1fr; }
  .pgrid { grid-template-columns: 1fr; }
  .journey::before { left: 20px; }
  .journey time { width: 60px; font-size: 18px; }
  .metrics { gap: 24px; }
  .head { flex-direction: column; align-items: flex-start; gap: 20px; }
}

/* ===== 联系表单 ===== */
.cform { max-width: 620px; margin: 0 auto; text-align: left; }
.crow { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cf { display: block; margin-bottom: 16px; }
.cf > span { display: block; font-size: 11px; letter-spacing: 1.5px; color: var(--muted); margin-bottom: 8px; text-transform: uppercase; }
.cf input, .cf select, .cf textarea {
  width: 100%; padding: 12px 14px; font-family: inherit; font-size: 14px;
  color: var(--fg); background: var(--bg2);
  border: 1px solid var(--border); border-radius: 8px;
  transition: border-color .2s, box-shadow .2s;
}
.cf textarea { resize: vertical; min-height: 96px; line-height: 1.6; }
.cf input:focus, .cf select:focus, .cf textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(217, 255, 63, 0.12);
}
body.light .cf input:focus, body.light .cf select:focus, body.light .cf textarea:focus {
  box-shadow: 0 0 0 3px rgba(26, 127, 55, 0.12);
}
.cf.bad input, .cf.bad textarea { border-color: var(--danger); }
.cf.bad > span { color: var(--danger); }
.hpwrap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.cfoot { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.contact .cfmsg { display: inline; margin: 0; font-size: 13px; letter-spacing: 0; color: var(--muted); }
.contact .cfmsg.ok { color: var(--success); }
.contact .cfmsg.bad { color: var(--danger); }
.cform button[disabled] { opacity: .6; cursor: not-allowed; }

/* ===== 尊重系统「减少动效」偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .noise { animation: none !important; }
}

@media (max-width: 560px) {
  .crow { grid-template-columns: 1fr; gap: 0; }
}

/* ===== Demo 区顶部的架构示意图 ===== */
.demobanner { padding: 6px 0 14px; margin-bottom: 18px; border-bottom: 1px solid var(--border); }
.demobanner .sysdiagram { margin: 0; }

/* ==========================================================
   KnowFlow 产品页
   全部使用主题变量，明暗主题自动适配；不引入新配色。
   ========================================================== */

/* ---------- Hero ---------- */
.kfhero { padding-top: 40px; text-align: left; }
.kfh1 { font-size: clamp(38px, 7vw, 76px); line-height: 1.05; letter-spacing: -2px; margin: 6px 0 10px; font-weight: 700; }
.kfh1 em { font-style: normal; color: var(--accent); }
.kftagline { font-size: clamp(16px, 2.2vw, 22px); color: var(--fg); letter-spacing: 1px; margin-bottom: 18px; }
.kflead { max-width: 760px; font-size: 15px; line-height: 1.85; color: var(--muted); }
.kflead strong { color: var(--fg); font-weight: 600; }
.kfherometa { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.kfherometa span {
  font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--border); border-radius: 999px;
  padding: 5px 12px; background: var(--bg2);
}
.kfsub { max-width: 780px; font-size: 14.5px; line-height: 1.85; color: var(--muted); margin-top: 10px; }

/* ---------- 三原则 ---------- */
.kfprinciples { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 26px 0 8px; }
.kfp {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 18px 16px;
}
.kfp b { display: block; font-size: 15px; margin-bottom: 8px; letter-spacing: .5px; }
.kfp span { display: block; font-size: 13px; line-height: 1.75; color: var(--muted); }

/* ---------- 示意图 ---------- */
.kfdiagram { margin: 22px 0 4px; overflow-x: auto; }
.kfdiagram .sysdiagram { width: 100%; min-width: 620px; height: auto; }
.kfdiagram .kfboundary { min-width: 640px; }
.sysdiagram .t-en { display: none; }
body.lang-en .sysdiagram .t-zh { display: none; }
body.lang-en .sysdiagram .t-en { display: inline; }

/* ---------- 四种来源 ---------- */
.kfsources { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 26px 0 8px; }
.kfs {
  position: relative; background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px 18px 16px;
}
.kfs-local { border-color: var(--accent); }
.kfsno { font-size: 11px; letter-spacing: 1.5px; color: var(--muted); }
.kfs b { display: block; font-size: 16px; margin: 6px 0 8px; }
.kfsbadge {
  display: inline-block; font-style: normal; font-size: 10.5px; letter-spacing: .6px;
  color: var(--muted); border: 1px solid var(--border); border-radius: 999px;
  padding: 3px 9px; margin-bottom: 10px;
}
.kfsbadge.ok { color: var(--accent); border-color: var(--accent); }
.kfs p { font-size: 13px; line-height: 1.75; color: var(--muted); margin: 0; }

/* ---------- 能力矩阵 ---------- */
.kfmatrix { margin-top: 24px; overflow-x: auto; }
.kfmatrix table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 13px; }
.kfmatrix th, .kfmatrix td {
  text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border);
}
.kfmatrix th {
  font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
}
.kfmatrix td { color: var(--muted); }
.kfmatrix tbody tr td:first-child { color: var(--fg); font-weight: 600; }

/* ---------- 体验区 ---------- */
.kfexpgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 26px; }
.kfexp {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px; display: flex; flex-direction: column;
}
.kfexphd { margin-bottom: 14px; }
.kfexphd h3 { font-size: 17px; margin: 0 0 6px; }
.kfexpnote { font-size: 11px; letter-spacing: .4px; color: var(--accent); }
.kfexpft { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* 语音转文字 */
.kfsttbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.kfmic { letter-spacing: .5px; }
.kfmic.rec { background: var(--danger); border-color: var(--danger); }
.kflang { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.kflang button {
  background: transparent; border: 0; color: var(--muted); font-family: inherit;
  font-size: 12px; padding: 8px 14px; cursor: pointer;
}
.kflang button.on { background: var(--accent); color: var(--bg); font-weight: 600; }
.kfstate { font-size: 12px; color: var(--muted); margin-bottom: 10px; min-height: 18px; }
.kfsttout {
  flex: 1; min-height: 132px; max-height: 260px; overflow-y: auto;
  background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px; font-size: 14.5px; line-height: 1.8; white-space: pre-wrap;
  word-break: break-word; margin-bottom: 12px;
}
.kfsttout .kfinterim { color: var(--muted); }
.kfsttout .kfph { color: var(--muted); font-size: 13px; }
.kffallback {
  display: block; margin-top: 10px; padding: 10px 12px; font-size: 12.5px; line-height: 1.7;
  color: var(--warning); border: 1px solid var(--warning); border-radius: 8px;
}

/* 本地内容库 */
.kflibform { margin-bottom: 12px; }
.kflibform .cf { margin-bottom: 12px; }
.kflibform textarea { min-height: 92px; }
.kflibtools { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; }
.kfsearch {
  flex: 1; padding: 10px 13px; font-family: inherit; font-size: 13px;
  color: var(--fg); background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
}
.kfsearch:focus { outline: none; border-color: var(--accent); }
.kfstat { font-size: 11.5px; letter-spacing: .5px; color: var(--muted); margin-bottom: 8px; }
.kflist {
  flex: 1; max-height: 300px; overflow-y: auto; display: flex;
  flex-direction: column; gap: 10px;
}
.kfitem {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 13px;
}
.kfitemhd { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.kfmeta { font-size: 10.5px; color: var(--muted); }
.kfchip {
  font-size: 10.5px; color: var(--muted); border: 1px solid var(--border);
  border-radius: 999px; padding: 2px 8px;
}
.kfdel {
  margin-left: auto; background: transparent; border: 0; color: var(--muted);
  font-family: inherit; font-size: 11px; cursor: pointer; text-decoration: underline;
}
.kfdel:hover { color: var(--danger); }
.kfitembody { font-size: 13px; line-height: 1.7; color: var(--fg); margin: 0 0 8px; word-break: break-word; }
.kfkw { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.kfkwlab { font-size: 10.5px; color: var(--muted); margin-right: 2px; }
.kftag {
  font-size: 10.5px; color: var(--accent); border: 1px solid var(--accent);
  border-radius: 999px; padding: 1px 8px;
}
.kfhint { font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.kfexp .cfmsg { font-size: 12.5px; letter-spacing: 0; }
.kfexp .cfmsg.ok { color: var(--success); }
.kfexp .cfmsg.bad { color: var(--danger); }

/* ---------- 隐私边界 ---------- */
.kfprivlist { list-style: none; padding: 0; margin: 24px 0 0; max-width: 860px; }
.kfprivlist li {
  position: relative; padding: 12px 0 12px 26px; font-size: 14px;
  line-height: 1.8; color: var(--muted); border-bottom: 1px solid var(--border);
}
.kfprivlist li:last-child { border-bottom: 0; }
.kfprivlist li:before {
  content: "\25C6"; position: absolute; left: 0; top: 12px; color: var(--accent); font-size: 11px;
}
.kfprivlist b { color: var(--fg); font-weight: 600; }

/* ---------- CTA ---------- */
.kfcta { text-align: left; }
.kfctabar { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.kffine { margin-top: 20px; font-size: 11.5px; letter-spacing: .6px; color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .kfexpgrid { grid-template-columns: 1fr; }
  .kfprinciples { grid-template-columns: 1fr; }
  .kfsources { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .kfdiagram .kfboundary, .kfdiagram .sysdiagram { min-width: 560px; }
}

/* 导航中当前所在页高亮 */
#nav a.kfon { color: var(--accent); }

/* ==========================================================
   CollectionRadar 产品页（回款雷达）
   全部使用主题变量，明暗主题自动适配；不引入新配色。
   ========================================================== */

/* ---------- Hero ---------- */
.crhero { padding-top: 40px; text-align: left; }
.crh1 { font-size: clamp(38px, 7vw, 76px); line-height: 1.05; letter-spacing: -2px; margin: 6px 0 10px; font-weight: 700; }
.crh1 em { font-style: normal; color: var(--accent); }
.crtagline { font-size: clamp(16px, 2.2vw, 22px); color: var(--fg); letter-spacing: 1px; margin-bottom: 18px; }
.crlead { max-width: 760px; font-size: 15px; line-height: 1.85; color: var(--muted); }
.crlead strong { color: var(--fg); font-weight: 600; }
.crherometa { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.crherometa span {
  font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--border); border-radius: 999px;
  padding: 5px 12px; background: var(--bg2);
}
.crsub { max-width: 780px; font-size: 14.5px; line-height: 1.85; color: var(--muted); margin-top: 10px; }

/* ---------- 三原则 ---------- */
.crprinciples { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 26px 0 8px; }
.crp {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 18px 16px;
}
.crp b { display: block; font-size: 15px; margin-bottom: 8px; letter-spacing: .5px; }
.crp span { display: block; font-size: 13px; line-height: 1.75; color: var(--muted); }

/* ---------- 示意图 ---------- */
.crdiagram { margin: 22px 0 4px; overflow-x: auto; }
.crdiagram .sysdiagram { width: 100%; min-width: 620px; height: auto; }

/* ---------- 能力卡片 ---------- */
.crcaps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.crcap {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 18px 16px;
}
.crcapno {
  display: inline-block; font-size: 11px; letter-spacing: 1.5px; color: var(--accent);
  margin-bottom: 8px;
}
.crcap b { display: block; font-size: 15px; margin-bottom: 8px; letter-spacing: .5px; }
.crcap p { font-size: 13px; line-height: 1.75; color: var(--muted); margin: 0; max-width: none; }

/* ---------- 数据落点表 ---------- */
.crmatrix { margin-top: 24px; overflow-x: auto; }
.crmatrix table { width: 100%; border-collapse: collapse; min-width: 620px; font-size: 13px; }
.crmatrix th, .crmatrix td {
  text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border);
}
.crmatrix th {
  font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
}
.crmatrix td { color: var(--muted); }
.crmatrix tbody tr td:first-child { color: var(--fg); font-weight: 600; }

/* ---------- 体验区容器 ---------- */
.crexp {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px; margin-top: 26px; display: flex; flex-direction: column;
}
.crexphd { margin-bottom: 16px; }
.crexphd h3 { font-size: 17px; margin: 0 0 6px; }
.crexpnote { font-size: 11px; letter-spacing: .4px; color: var(--accent); }
.crexpft { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.crexpft .cfmsg { margin: 0; }
.crfield { display: flex; align-items: flex-end; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.crfield .cf { margin-bottom: 0; }
.crhint { font-size: 12px; color: var(--muted); padding-bottom: 8px; }

/* ---------- 动态行编辑区 ---------- */
.crblock {
  border: 1px solid var(--border); border-radius: 12px;
  padding: 14px; margin-bottom: 16px; background: var(--bg2);
}
.crblockhd { margin-bottom: 10px; }
.crblockhd > b { display: block; font-size: 13px; letter-spacing: .6px; margin-bottom: 8px; }
.crcols,
.crrows .crrow {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 40px; gap: 8px; align-items: center;
}
.crcols span {
  font-size: 10.5px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted);
}
.crrows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.crin {
  width: 100%; background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; font-family: inherit; font-size: 13px;
}
.crin:focus { outline: none; border-color: var(--accent); }
.crin::placeholder { color: var(--muted); }
select.crin { appearance: none; -webkit-appearance: none; }
.crrow-x {
  background: transparent; border: 1px solid var(--border); border-radius: 8px;
  color: var(--muted); font-family: inherit; font-size: 14px; line-height: 1;
  height: 34px; cursor: pointer;
}
.crrow-x:hover { color: var(--danger); border-color: var(--danger); }

/* ---------- 计算结果 ---------- */
.crresult:empty { display: none; }
.crresult { margin-top: 20px; }
.crmetrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.crmetric {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px;
}
.crmetric span {
  display: block; font-size: 10.5px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 6px;
}
.crmetric b { display: block; font-size: 18px; font-weight: 700; letter-spacing: -.3px; }
.crmetric.bad { border-color: var(--danger); }
.crmetric.bad b { color: var(--danger); }

.crtablewrap { overflow-x: auto; margin-bottom: 16px; }
.crtable { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 12.5px; }
.crtable th, .crtable td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); }
.crtable th {
  font-size: 10.5px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
}
.crtable td { color: var(--muted); }
.crtable td.num { text-align: right; font-variant-numeric: tabular-nums; color: var(--fg); }
.crtable tbody tr td:first-child { color: var(--fg); font-weight: 600; }

.crchip {
  display: inline-block; font-size: 10.5px; border-radius: 999px;
  padding: 2px 8px; border: 1px solid var(--border); color: var(--muted); white-space: nowrap;
}
.crchip.st-settled { color: var(--success); border-color: var(--success); }
.crchip.st-overdue { color: var(--danger); border-color: var(--danger); }
.crchip.st-due_today { color: var(--warning); border-color: var(--warning); }
.crchip.st-upcoming { color: var(--accent2); border-color: var(--accent2); }

.cralerts { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.cralerts li {
  font-size: 12.5px; line-height: 1.7; color: var(--muted);
  border-left: 2px solid var(--border); padding: 6px 0 6px 12px;
}
.cralerts li.warn { border-left-color: var(--warning); color: var(--warning); }
.cralerts li.bad { border-left-color: var(--danger); color: var(--danger); }
.crlegend { font-size: 11.5px; color: var(--muted); line-height: 1.7; }

/* ---------- 隐私边界 ---------- */
.crprivlist { list-style: none; padding: 0; margin: 24px 0 0; max-width: 860px; }
.crprivlist li {
  position: relative; padding: 12px 0 12px 26px; font-size: 14px;
  line-height: 1.8; color: var(--muted); border-bottom: 1px solid var(--border);
}
.crprivlist li:last-child { border-bottom: 0; }
.crprivlist li:before {
  content: "\25C6"; position: absolute; left: 0; top: 12px; color: var(--accent); font-size: 11px;
}
.crprivlist b { color: var(--fg); font-weight: 600; }

/* ---------- CTA ---------- */
.crcta { text-align: left; }
.crctabar { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.crfine { margin-top: 20px; font-size: 11.5px; letter-spacing: .6px; color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .crprinciples { grid-template-columns: 1fr; }
  .crcaps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .crcaps { grid-template-columns: 1fr; }
  .crcols { display: none; }
  .crrows .crrow { grid-template-columns: 1fr 1fr; }
  .crrows .crrow .crin-name,
  .crrows .crrow .crin-rnode { grid-column: 1 / -1; }
  .crrows .crrow .crrow-x { grid-column: 1 / -1; width: 100%; }
  .crmetrics { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================
   GeoSystem 产品页
   全部使用主题变量，明暗主题自动适配；不引入新配色。
   ========================================================== */

/* ---------- Hero ---------- */
.gshero { padding-top: 40px; text-align: left; }
.gsh1 { font-size: clamp(38px, 7vw, 76px); line-height: 1.05; letter-spacing: -2px; margin: 6px 0 10px; font-weight: 700; }
.gsh1 em { font-style: normal; color: var(--accent); }
.gstagline { font-size: clamp(16px, 2.2vw, 22px); color: var(--fg); letter-spacing: 1px; margin-bottom: 18px; }
.gslead { max-width: 760px; font-size: 15px; line-height: 1.85; color: var(--muted); }
.gslead strong { color: var(--fg); font-weight: 600; }
.gsherometa { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.gsherometa span {
  font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--border); border-radius: 999px;
  padding: 5px 12px; background: var(--bg2);
}
.gssub { max-width: 780px; font-size: 14.5px; line-height: 1.85; color: var(--muted); margin-top: 10px; }

/* ---------- 三原则 ---------- */
.gsprinciples { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 26px 0 8px; }
.gsp {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 18px 16px;
}
.gsp b { display: block; font-size: 15px; margin-bottom: 8px; letter-spacing: .5px; }
.gsp span { display: block; font-size: 13px; line-height: 1.75; color: var(--muted); }

/* ---------- 示意图 ---------- */
.gsdiagram { margin: 22px 0 4px; overflow-x: auto; }
.gsdiagram .sysdiagram { width: 100%; min-width: 620px; height: auto; }

/* ---------- 能力卡片 ---------- */
.gscaps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.gscap {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 18px 16px;
}
.gscapno {
  display: inline-block; font-size: 11px; letter-spacing: 1.5px; color: var(--accent);
  margin-bottom: 8px;
}
.gscap b { display: block; font-size: 15px; margin-bottom: 8px; letter-spacing: .5px; }
.gscap p { font-size: 13px; line-height: 1.75; color: var(--muted); margin: 0; max-width: none; }

/* ---------- 能力落点表 ---------- */
.gsmatrix { margin-top: 24px; overflow-x: auto; }
.gsmatrix table { width: 100%; border-collapse: collapse; min-width: 620px; font-size: 13px; }
.gsmatrix th, .gsmatrix td {
  text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border);
}
.gsmatrix th {
  font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
}
.gsmatrix td { color: var(--muted); }
.gsmatrix tbody tr td:first-child { color: var(--fg); font-weight: 600; }

/* ---------- 体验区容器 ---------- */
.gsexp {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px; margin-top: 26px; display: flex; flex-direction: column;
}
.gsexphd { margin-bottom: 16px; }
.gsexphd h3 { font-size: 17px; margin: 0 0 6px; }
.gsexpnote { font-size: 11px; letter-spacing: .4px; color: var(--accent); display: block; line-height: 1.6; }
.gsexpft { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 4px; }
.gsexpft .cfmsg { margin: 0; }

/* ---------- 六维滑块 ---------- */
.gsdims { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px 18px; }
.gsdim label {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 8px; margin-bottom: 6px;
}
.gsdim label > span {
  font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted);
}
.gsdim label > em {
  font-style: normal; font-size: 10px; letter-spacing: .6px;
  color: var(--accent); opacity: .85;
}
.gsdimrow { display: flex; align-items: center; gap: 10px; }
.gsdimrow input[type="range"] {
  flex: 1; min-width: 0; height: 4px; -webkit-appearance: none; appearance: none;
  background: var(--border); border-radius: 999px; outline: none; cursor: pointer;
}
.gsdimrow input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 0; cursor: pointer;
}
.gsdimrow input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 0; cursor: pointer;
}
.gsdimrow output {
  min-width: 34px; text-align: right; font-size: 13px; font-weight: 600;
  font-variant-numeric: tabular-nums; color: var(--fg);
}

/* ---------- 计算结果 ---------- */
.gsresult:empty { display: none; }
.gsresult { margin-top: 18px; }
.gsmetrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.gsmetric {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px;
}
.gsmetric span {
  display: block; font-size: 10.5px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 6px;
}
.gsmetric b { display: block; font-size: 24px; font-weight: 700; letter-spacing: -.5px; }
.gsmetric.gs-total b { color: var(--accent); }
.gsmetric.gs-grade-S b { color: var(--success); }
.gsmetric.gs-grade-A b { color: var(--success); }
.gsmetric.gs-grade-B b { color: var(--accent2); }
.gsmetric.gs-grade-C b { color: var(--warning); }
.gsmetric.gs-grade-D b { color: var(--danger); }

.gstablewrap { overflow-x: auto; margin-bottom: 16px; }
.gstable { width: 100%; border-collapse: collapse; min-width: 520px; font-size: 12.5px; }
.gstable th, .gstable td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); }
.gstable th {
  font-size: 10.5px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
}
.gstable td { color: var(--muted); }
.gstable td.num { text-align: right; font-variant-numeric: tabular-nums; color: var(--fg); }
.gstable tbody tr td:first-child { color: var(--fg); font-weight: 600; }

.gschip {
  display: inline-block; font-size: 10.5px; border-radius: 999px;
  padding: 2px 8px; border: 1px solid var(--border); color: var(--muted); white-space: nowrap;
}
.gschip.st-excellent { color: var(--success); border-color: var(--success); }
.gschip.st-good { color: var(--accent2); border-color: var(--accent2); }
.gschip.st-average { color: var(--warning); border-color: var(--warning); }
.gschip.st-poor { color: var(--danger); border-color: var(--danger); }
.gschip.st-critical { color: var(--danger); border-color: var(--danger); }
.gschip.st-high { color: var(--warning); border-color: var(--warning); }

.gsalerts { margin-bottom: 16px; }
.gsalerts > b,
.gsup > b { display: block; font-size: 12.5px; letter-spacing: .6px; margin-bottom: 8px; }
.gsalerts ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.gsalerts li {
  font-size: 12.5px; line-height: 1.7; color: var(--muted);
  border-left: 2px solid var(--border); padding: 6px 0 6px 12px;
}
.gsalerts li.critical { border-left-color: var(--danger); }
.gsalerts li.high { border-left-color: var(--warning); }
.gsup p { font-size: 12.5px; line-height: 1.7; color: var(--muted); margin: 0 0 6px; }
.gsuphint { opacity: .8; }
.gsup ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.gsup li {
  font-size: 12.5px; line-height: 1.7; color: var(--muted); padding-left: 14px; position: relative;
}
.gsup li:before { content: "\2192"; position: absolute; left: 0; color: var(--accent); }

/* ---------- 信息完整度自检 ---------- */
.gsicgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gsicgroup {
  border: 1px solid var(--border); border-radius: 10px; padding: 14px; background: var(--bg2);
}
.gsicgroup > b {
  display: block; font-size: 11.5px; letter-spacing: .6px; margin-bottom: 10px;
  color: var(--fg);
}
.gsicgroup label {
  display: flex; align-items: center; gap: 8px; font-size: 12.5px;
  color: var(--muted); padding: 4px 0; cursor: pointer;
}
.gsicgroup label.gsicnum { flex-wrap: wrap; gap: 6px; }
.gsicgroup label input[type="checkbox"] { width: 14px; height: 14px; accent-color: var(--accent); flex: none; }
.gsicgroup label input[type="number"] {
  width: 72px; background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 8px; font-family: inherit; font-size: 12px;
}
.gsicgroup label input[type="number"]:focus { outline: none; border-color: var(--accent); }
.gsicgroup label em {
  font-style: normal; font-size: 10.5px; opacity: .6; flex-basis: 100%; padding-left: 22px;
}
.gsicft { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 18px; }
.gsicscore { display: flex; align-items: baseline; gap: 10px; }
.gsicscore span { font-size: 10.5px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); }
.gsicscore b { font-size: 24px; font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }

/* ---------- 边界与口径 ---------- */
.gspvlist { list-style: none; padding: 0; margin: 24px 0 0; max-width: 860px; }
.gspvlist li {
  position: relative; padding: 12px 0 12px 26px; font-size: 14px;
  line-height: 1.8; color: var(--muted); border-bottom: 1px solid var(--border);
}
.gspvlist li:last-child { border-bottom: 0; }
.gspvlist li:before {
  content: "\25C6"; position: absolute; left: 0; top: 12px; color: var(--accent); font-size: 11px;
}
.gspvlist b { color: var(--fg); font-weight: 600; }

/* ---------- CTA ---------- */
.gscta { text-align: left; }
.gsctabar { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.gsfine { margin-top: 20px; font-size: 11.5px; letter-spacing: .6px; color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .gsprinciples { grid-template-columns: 1fr; }
  .gscaps { grid-template-columns: 1fr 1fr; }
  .gsdims { grid-template-columns: 1fr 1fr; }
  .gsicgrid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .gscaps { grid-template-columns: 1fr; }
  .gsdims { grid-template-columns: 1fr; }
  .gsmetrics { grid-template-columns: 1fr 1fr; }
  .gsicft { flex-direction: column; align-items: stretch; }
  .gsicft .btn, .gsicft .small { width: 100%; text-align: center; }
}

/* ==========================================================
   产品页交叉入口（KnowFlow / 回款雷达 / GeoSystem 三个产品页共用）
   ========================================================== */
.otherprod { margin-top: 30px; }
.opgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 14px; }
.opcard {
  display: block; background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px 18px; text-decoration: none; color: inherit;
  transition: border-color .18s ease, transform .18s ease;
}
.opcard:hover { border-color: var(--accent); transform: translateY(-2px); }
.opcard b { display: block; font-size: 15px; letter-spacing: .5px; margin-bottom: 6px; }
.opcard span { display: block; font-size: 12.5px; line-height: 1.7; color: var(--muted); }
.opcard i { display: block; margin-top: 10px; font-style: normal; font-size: 13px; color: var(--accent); }
@media (max-width: 700px) {
  .opgrid { grid-template-columns: 1fr; }
}

/* ==========================================================
   首页主力产品区块（01 / PRODUCTS）
   ========================================================== */
.fpgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 8px; }
.fpprod {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px;
  padding: 28px 26px 24px; display: flex; flex-direction: column;
  transition: border-color .25s ease, transform .25s ease;
}
.fpprod:hover { border-color: var(--accent); transform: translateY(-3px); }

.fpmeta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; font-size: 12px; }
.fpmeta b { font-size: 15px; color: var(--accent); letter-spacing: -.5px; }
.fpmeta span {
  font-size: 10px; letter-spacing: 1px; padding: 2px 8px; border-radius: 10px;
  background: rgba(217, 255, 63, 0.1); color: var(--accent);
}

.fpprod h3 { font-size: 21px; font-weight: 600; line-height: 1.3; margin-bottom: 8px; }
.fpprod h3 a { color: inherit; text-decoration: none; }
.fpprod h3 a:hover { color: var(--accent); }

.fptag {
  font-size: 12.5px; letter-spacing: .6px; color: var(--accent);
  margin-bottom: 12px; line-height: 1.6;
}
.fpsum { font-size: 14px; color: var(--muted); line-height: 1.8; margin-bottom: 16px; }

.fppoints { list-style: none; padding: 0; margin: 0 0 18px; }
.fppoints li {
  position: relative; padding: 5px 0 5px 18px; font-size: 13px;
  line-height: 1.7; color: var(--muted);
}
.fppoints li:before {
  content: "\25C6"; position: absolute; left: 0; top: 6px;
  color: var(--accent); font-size: 9px;
}

.fpprod .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.fpprod .tags span {
  font-size: 10.5px; letter-spacing: .5px; padding: 3px 9px;
  border: 1px solid var(--border); border-radius: 999px; color: var(--muted);
}

.fpfoot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.fpcta { font-size: 13px; font-weight: 500; color: var(--accent); text-decoration: none; }
.fpcta:hover { text-decoration: underline; }
.fptech { font-size: 11px; color: var(--muted); letter-spacing: .3px; }

/* ---------- 其他系统：简略列表 ---------- */
.card.compact { padding: 22px 22px 20px; }
.card.compact h3 { font-size: 17px; margin-bottom: 10px; }
.card.compact p {
  font-size: 13px; margin-bottom: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card.compact .sysdiagram { max-height: 68px; opacity: .55; margin-bottom: 12px; }
.card.compact .tags { margin-bottom: 12px; }
.card.compact .tags span { font-size: 10px; padding: 2px 8px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .fpgrid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .fpgrid { grid-template-columns: 1fr; }
  .fpprod { padding: 24px 20px 20px; }
}

/* ==========================================================
   常见问题 FAQ（首页与三个产品页共用，问答式，供搜索与大模型引用）
   ========================================================== */
.faq .label { letter-spacing: 1px; }
.faq h2 { font-size: 24px; font-weight: 600; margin: 10px 0 22px; line-height: 1.4; }
.faqlist { margin: 0; }
.faqitem {
  border-top: 1px solid var(--border);
  padding: 18px 0;
}
.faqitem:last-child { border-bottom: 1px solid var(--border); }
.faqitem dt {
  font-size: 15px; font-weight: 600; line-height: 1.6;
  margin-bottom: 8px; color: var(--fg);
}
.faqitem dt:before { content: "Q  "; color: var(--accent); }
.faqitem dd {
  margin: 0; font-size: 14px; line-height: 1.85; color: var(--muted);
  max-width: 860px;
}
.faqitem dd:before { content: "A  "; color: var(--accent); }
@media (max-width: 700px) {
  .faq h2 { font-size: 20px; }
  .faqitem dt { font-size: 14.5px; }
  .faqitem dd { font-size: 13.5px; }
}