/* ============================================================
   配色方案：通过 <html data-theme="..."> 切换
   默认暗色（对齐 duneq.ai 主色 #33B5E5）｜ light 亮色 ｜ aurora 极光青紫
   ============================================================ */
:root,
:root[data-theme="dark"] {
  --bg: #040a18;
  --bg-soft: #081226;
  --card: #0c1a36;
  --accent: #3b9fe0;
  --accent2: #5cc4ff;
  --text: #ffffff;
  --muted: #a9b7d1;
  --border: #182a4d;
  --danger: #ff6b6b;
  --ok: #3b9fe0;
  --overlay: rgba(2,6,16,0.65);
  --shadow: 0 10px 30px rgba(0,0,0,0.4);
  --grad: linear-gradient(90deg, var(--accent), var(--accent2));
  --on-accent: #ffffff;
  --nav-bg: rgba(4,10,24,0.85);
  --hero-glow: radial-gradient(900px 500px at 80% 30%, rgba(59,159,224,0.2), transparent 60%),
               radial-gradient(700px 400px at 10% 60%, rgba(59,159,224,0.09), transparent 60%);
  --fw-purple-rgb: 59,159,224;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
}
/* 亮色主题（商务靛蓝白） */
:root[data-theme="light"] {
  --bg: #f4f7fc;
  --bg-soft: #ffffff;
  --card: #ffffff;
  --accent: #2f6bd8;
  --accent2: #4f6bff;
  --text: #16203a;
  --muted: #5c6b8a;
  --border: #e2e8f2;
  --danger: #e5484d;
  --ok: #2f6bd8;
  --overlay: rgba(20,30,50,0.45);
  --shadow: 0 10px 30px rgba(20,40,80,0.10);
  --grad: linear-gradient(90deg, var(--accent), var(--accent2));
  --on-accent: #ffffff;
  --nav-bg: rgba(255,255,255,0.88);
  --hero-glow: radial-gradient(900px 500px at 80% 30%, rgba(47,107,216,0.16), transparent 60%);
  --fw-purple-rgb: 14,165,164;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
}
/* 极光紫罗兰主题（量子紫，与暗色电光蓝区分：亮紫主色 + 深紫氛围） */
:root[data-theme="aurora"] {
  --bg: #0a0716;
  --bg-soft: #130e2a;
  --card: #1a1240;
  --accent: #8b5cf6;
  --accent2: #7c6ef5;
  --text: #f1edff;
  --muted: #a99fd0;
  --border: #312754;
  --danger: #ff7a9a;
  --ok: #8b5cf6;
  --overlay: rgba(10,7,22,0.62);
  --shadow: 0 10px 34px rgba(110,70,220,0.28);
  --grad: linear-gradient(90deg, var(--accent), var(--accent2));
  --on-accent: #0f0920;
  --nav-bg: rgba(10,7,22,0.85);
  --hero-glow: radial-gradient(900px 500px at 80% 30%, rgba(139,92,246,0.24), transparent 60%);
  --fw-purple-rgb: 139,92,246;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
}
/* 翡翠绿主题（商务墨玉绿，降饱和、更深沉） */
:root[data-theme="jade"] {
  --bg: #06110c;
  --bg-soft: #0a2117;
  --card: #0d2c1e;
  --accent: #2fb987;
  --accent2: #1f9d77;
  --text: #e6f7f0;
  --muted: #93b9a9;
  --border: #164a37;
  --danger: #ff6b6b;
  --ok: #2fb987;
  --overlay: rgba(3,14,10,0.62);
  --shadow: 0 10px 34px rgba(31,157,119,0.26);
  --grad: linear-gradient(90deg, var(--accent), var(--accent2));
  --on-accent: #032018;
  --nav-bg: rgba(5,16,11,0.85);
  --hero-glow: radial-gradient(900px 500px at 80% 30%, rgba(47,185,135,0.2), transparent 60%);
  --fw-purple-rgb: 47,185,135;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
}
/* 落日琥珀主题（商务鎏金铜，低饱和金棕，沉稳高端） */
:root[data-theme="sunset"] {
  --bg: #0e0a05;
  --bg-soft: #1c1409;
  --card: #241a0a;
  --accent: #c9a227;
  --accent2: #b8912f;
  --text: #f7efdc;
  --muted: #c0ad8d;
  --border: #453415;
  --danger: #ff6b6b;
  --ok: #c9a227;
  --overlay: rgba(14,10,5,0.62);
  --shadow: 0 10px 34px rgba(201,162,39,0.22);
  --grad: linear-gradient(90deg, var(--accent), var(--accent2));
  --on-accent: #221500;
  --nav-bg: rgba(14,10,5,0.85);
  --hero-glow: radial-gradient(900px 500px at 80% 30%, rgba(201,162,39,0.2), transparent 60%);
  --fw-purple-rgb: 201,162,39;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* 主题切换器（下拉） */
.theme-switch { position: relative; display: inline-block; }
.ts-current {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  border-radius: 20px; padding: 6px 14px; font-size: 14px; cursor: pointer;
  font-family: inherit; transition: border-color .2s, background .2s;
}
.ts-current:hover { border-color: var(--accent); }
.ts-dot { width: 14px; height: 14px; border-radius: 50%; display: inline-block; flex: 0 0 auto; }
.ts-dot.sw-dark { background: linear-gradient(135deg,#0a1530,#3b9fe0); }
.ts-dot.sw-light { background: linear-gradient(135deg,#ffffff,#2f6bd8); }
.ts-dot.sw-aurora { background: linear-gradient(135deg,#1a1240,#8b5cf6); }
.ts-dot.sw-jade { background: linear-gradient(135deg,#0a2117,#2fb987); }
.ts-dot.sw-sunset { background: linear-gradient(135deg,#241a0a,#c9a227); }
.ts-caret { font-size: 11px; color: var(--muted); transition: transform .2s; }
.ts-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  min-width: 120px; list-style: none; margin: 0; padding: 6px;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s, transform .18s, visibility .18s; z-index: 60;
}
.ts-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
.ts-menu li {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px;
  border-radius: 8px; cursor: pointer; color: var(--text); font-size: 14px;
  transition: background .15s;
}
.ts-menu li:hover, .ts-menu li.active { background: var(--overlay); color: var(--accent); }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }

/* 输入聚焦高亮（配色感知） */
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

/* ---------- 导航 ---------- */
html { scroll-behavior: smooth; }
.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--nav-bg); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.brand { font-size: 22px; font-weight: 600; letter-spacing: 0; display: inline-flex; align-items: center; gap: 6px; flex: 0 0 auto; }
.brand-logo { width: 26px; height: 26px; border-radius: 6px; flex: 0 0 auto; object-fit: contain; }
.brand-q { color: var(--accent); }
.brand-zh { color: var(--text); font-size: 14px; font-weight: 400; }
/* 右侧整体菜单：导航链接 + 主题切换 */
.nav-right {
  margin-left: auto; display: flex; align-items: center; gap: 22px;
}
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 15px; }
.nav-links a { color: var(--muted); transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
/* 亮色主题下导航链接文字偏浅，加强对比度，保证清晰可读 */
:root[data-theme="light"] .nav-links a { color: var(--text); }
:root[data-theme="light"] .nav-links a:hover { color: var(--accent); }
.nav-user { color: var(--accent); font-size: 14px; }
.btn-nav {
  border: 1px solid var(--accent); color: var(--accent) !important;
  padding: 6px 16px; border-radius: 20px; font-size: 14px;
  transition: background .2s, color .2s;
}
.btn-nav:hover { background: var(--accent); color: var(--on-accent) !important; }
.btn-nav:hover { background: var(--accent); color: var(--on-accent) !important; }
.nav-cta { background: var(--accent); color: #fff !important; padding: 8px 16px; border-radius: 4px; font-size: 14px; }
.nav-cta:hover { background: var(--accent2); }

/* ---------- 通用 ---------- */
main { min-height: 70vh; }
.site-footer {
  padding: 30px; color: var(--muted);
  border-top: 1px solid var(--border); font-size: 14px; margin-top: 60px;
}
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.section-divider { width: 60px; height: 4px; background: var(--accent); margin: 16px 0 40px; border-radius: 2px; }

/* ---------- Hero ---------- */
/* ---------- Hero（左侧文字 + 右侧原子轨道动画，对齐官网）---------- */
.hero {
  position: relative; padding: 130px 24px 110px;
  background: var(--hero-glow); overflow: hidden;
}
.hero-inner {
  max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
}
.hero-text h1 { font-size: 35px; font-weight: 400; color: var(--accent); margin-bottom: 20px; letter-spacing: .5px; }
.hero-text p { font-size: 16px; color: var(--muted); margin-bottom: 32px; max-width: 460px; }
.btn-primary {
  display: inline-block; background: var(--accent); color: #fff; font-weight: 600; padding: 12px 24px; border-radius: 4px; font-size: 15px; transition: background .2s;
}
.btn-primary:hover { background: var(--accent2); }

/* 原子轨道动画 */
.atom { position: relative; width: 320px; height: 320px; margin: 0 auto; }
.atom-core { position: absolute; inset: 0; margin: auto; width: 36px; height: 36px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 24px var(--accent); }
.atom-orbit { position: absolute; inset: 0; margin: auto; border: 1px solid rgba(51,181,229,0.55); border-radius: 50%; }
.atom-orbit.o1 { width: 130px; height: 130px; animation: spin1 6s linear infinite; }
.atom-orbit.o2 { width: 220px; height: 220px; animation: spin2 9s linear infinite; }
.atom-orbit.o3 { width: 300px; height: 300px; animation: spin1 12s linear infinite; }
.atom-electron { position: absolute; top: 50%; left: -6px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); transform: translateY(-50%); }
@keyframes spin1 { to { transform: rotate(360deg); } }
@keyframes spin2 { to { transform: rotate(-360deg); } }
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-text p { margin-left: auto; margin-right: auto; }
  .atom { width: 240px; height: 240px; }
  .atom-orbit.o1 { width: 100px; height: 100px; }
  .atom-orbit.o2 { width: 170px; height: 170px; }
  .atom-orbit.o3 { width: 230px; height: 230px; }
}

/* ---------- 板块标题（居中 + 青色下划短线）---------- */
.section-title {
  position: relative;
  text-align: center; color: var(--text); font-size: 28px; font-weight: 700; margin-bottom: 14px; letter-spacing: 1px;
}
.section-title::after {
  content: ''; display: block; width: 50px; height: 3px; background: var(--accent); margin: 14px auto 0; border-radius: 2px;
}
.section { padding: 70px 24px; max-width: 1100px; margin: 0 auto; scroll-margin-top: 88px; }

/* ---------- 核心技术优势（折叠面板，手风琴）---------- */
.tech-accordion { display: flex; flex-direction: column; gap: 18px; }
.ta-item {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  overflow: hidden; box-shadow: var(--shadow); transition: border-color .2s;
}
.ta-item:hover { border-color: var(--accent); }
.ta-head {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px 26px; background: transparent; border: none; cursor: pointer;
  color: var(--text); font-family: inherit; text-align: left;
}
.ta-title { color: var(--accent); font-size: 18px; font-weight: 700; }
.ta-icon {
  width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--accent);
  color: var(--accent); display: flex; align-items: center; justify-content: center;
  font-size: 18px; line-height: 1; transition: transform .25s ease, background .2s, color .2s;
  flex: 0 0 auto;
}
.ta-item.open .ta-icon { transform: rotate(45deg); background: var(--accent); color: var(--on-accent); }
.ta-body {
  max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .25s ease;
  padding: 0 26px;
}
.ta-item.open .ta-body { max-height: 600px; padding: 0 26px 22px; }
.ta-lead { color: var(--text); font-size: 15px; margin-bottom: 16px; }
.ta-block { margin-bottom: 12px; }
.ta-block:last-child { margin-bottom: 0; }
.ta-block .sub-title { color: var(--accent); font-size: 14px; margin-bottom: 4px; font-weight: 600; }
.ta-block p { color: var(--muted); font-size: 14.5px; }
@media (max-width: 768px) {
  .ta-head { padding: 16px 18px; }
  .ta-title { font-size: 16px; }
  .ta-item.open .ta-body { padding: 0 18px 18px; }
}

/* ---------- 联系我们（胶囊形按钮）---------- */
.contact-pill {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 6px auto 0; padding: 10px 22px;
  border: 1px solid var(--accent); border-radius: 999px;
  color: var(--text); background: transparent;
  font-size: 15px;
  transition: background .2s, color .2s, transform .2s;
}
.contact-pill svg { width: 18px; height: 18px; color: var(--accent); flex: 0 0 auto; transition: color .2s; }
.contact-pill:hover { background: var(--accent); color: var(--on-accent); transform: translateY(-2px); }
.contact-pill:hover svg { color: var(--on-accent); }
.section#contact { text-align: center; }
.section#contact .contact-pill { display: inline-flex; }

/* ---------- 首页区块 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 24px; }
.feature-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 26px;
  box-shadow: var(--shadow); transition: transform .2s, border-color .2s;
  display: flex; gap: 18px; align-items: flex-start;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.feature-card .icon {
  flex: 0 0 auto; width: 52px; height: 52px; border-radius: 50%;
  background: transparent; border: 1.5px solid var(--accent);
  display: flex; align-items: center; justify-content: center; color: var(--accent);
}
.feature-card .icon svg { width: 26px; height: 26px; }
.feature-card .fc-body { flex: 1; }
.feature-card h3 { color: var(--accent); font-size: 18.2px; margin-bottom: 8px; font-weight: 700; }
.feature-card p { color: var(--muted); font-size: 14.5px; }
.feature-card .sub-title { color: var(--accent); font-size: 14px; margin-top: 10px; margin-bottom: 4px; font-weight: 600; }
.team { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px,1fr)); gap: 24px; }
.team-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 28px; display: flex; gap: 18px; box-shadow: var(--shadow); }
.avatar { width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg,var(--accent),var(--accent2)); color:var(--on-accent); display:flex; align-items:center; justify-content:center; font-size: 26px; font-weight:700; flex: 0 0 auto; }
.team-card h3 { font-size: 18.2px; color: var(--text); } .team-card .role { color: var(--accent); font-size: 14px; margin-bottom: 10px; }
.team-card p { color: var(--muted); font-size: 14px; }

/* ---------- 飞轮看板 ---------- */
.flywheel-wrap { max-width: 1200px; margin: 0 auto; padding: 50px 24px; }
.project-block { margin-bottom: 60px; background: var(--bg-soft); border:1px solid var(--border); border-radius: 16px; padding: 30px; box-shadow: var(--shadow); }
.project-head h2 { font-size: 26px; margin-bottom: 6px; }
.project-head .lead { color: var(--accent); font-size: 15px; }
.project-summary { color: var(--muted); margin: 14px 0 24px; }
.wheel {
  position: relative; width: 320px; height: 320px; margin: 10px auto 40px;
  border-radius: 50%; background: radial-gradient(circle, rgba(79,209,197,0.08), transparent 70%);
  border: 1px dashed var(--border);
}
.wheel-center {
  position: absolute; inset: 0; margin: auto; width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg,var(--accent),var(--accent2)); color:var(--on-accent);
  display:flex; align-items:center; justify-content:center; text-align:center; font-weight:700; font-size: 15px; padding: 10px;
}
.wheel-node {
  position: absolute; width: 110px; text-align:center; font-size: 13px;
  background: var(--card); border:1px solid var(--accent); border-radius: 10px; padding: 8px; color: var(--text);
}
.nodes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 22px; }
.node-card { background: var(--card); border:1px solid var(--border); border-radius: 14px; padding: 22px; box-shadow: var(--shadow); transition: transform .2s, border-color .2s; }
.node-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.node-card h3 { font-size: 18px; color: var(--accent); margin-bottom: 8px; }
.node-card .desc { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.timeline { border-left: 2px solid var(--border); padding-left: 18px; margin: 14px 0; }
.tl-item { position: relative; margin-bottom: 18px; }
.tl-item::before { content:''; position:absolute; left:-25px; top:4px; width:10px; height:10px; border-radius:50%; background: var(--accent); }
.tl-item .tl-title { font-weight: 600; font-size: 15px; }
.tl-item .tl-meta { font-size: 12px; color: var(--muted); margin: 2px 0 6px; }
.tl-item .tl-content { font-size: 14px; color: var(--text); }
.tl-item .tl-charts { font-size: 13px; color: var(--accent2); margin-top: 6px; }
.doc-list { margin-top: 10px; font-size: 13px; }
.doc-list a { color: var(--accent2); }
.add-form { margin-top: 14px; border-top: 1px dashed var(--border); padding-top: 14px; }
.add-form input, .add-form textarea, .add-form .rte {
  width: 100%; background: var(--bg); border:1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 8px 10px; margin-bottom: 8px; font-size: 14px; font-family: inherit;
}
.add-form button { background: var(--accent); color:var(--on-accent); border:none; padding:8px 18px; border-radius: 8px; font-weight:600; cursor:pointer; }
.empty { color: var(--muted); font-style: italic; }

/* ---------- 登录 ---------- */
.auth-wrap { max-width: 420px; margin: 80px auto; background: var(--card); border:1px solid var(--border); border-radius: 16px; padding: 36px; box-shadow: var(--shadow); }
.auth-wrap h2 { text-align: center; margin-bottom: 6px; }
.auth-wrap .sub { text-align:center; color: var(--muted); margin-bottom: 24px; font-size: 14px; }
.auth-wrap label { display:block; font-size: 14px; margin-bottom: 6px; color: var(--muted); }
.auth-wrap input { width:100%; background: var(--bg); border:1px solid var(--border); color: var(--text); border-radius: 8px; padding: 11px 12px; margin-bottom: 16px; font-size: 15px; }
.auth-wrap .btn-primary { width:100%; border:none; cursor:pointer; padding: 12px; }
.auth-error { color: var(--danger); text-align:center; margin-bottom: 14px; font-size: 14px; }
.auth-hint { text-align:center; color: var(--muted); font-size: 13px; margin-top: 16px; }

/* ---------- 后台 ---------- */
.admin-wrap { max-width: 1100px; margin: 0 auto; padding: 40px 24px; }
.admin-head { display:flex; justify-content: space-between; align-items:center; margin-bottom: 24px; }
.admin-nav { display:flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }
.admin-nav a { padding: 8px 18px; border:1px solid var(--border); border-radius: 8px; color: var(--muted); font-size: 14px; }
.admin-nav a.active { border-color: var(--accent); color: var(--accent); }
.stat-grid { display:grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap: 20px; margin-bottom: 30px; }
.stat-card { background: var(--card); border:1px solid var(--border); border-radius: 12px; padding: 24px; text-align:center; box-shadow: var(--shadow); }
.stat-card .num { font-size: 34px; font-weight: 800; color: var(--accent); }
.stat-card .label { color: var(--muted); font-size: 14px; }

.table { width:100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; }
.table th, .table td { padding: 12px 14px; text-align:left; border-bottom: 1px solid var(--border); font-size: 14px; }
.table th { background: var(--bg-soft); color: var(--muted); font-weight: 600; }
/* 下载记录：筛选条 */
.dl-filter { display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin:14px 0 18px; }
.dl-filter input[type=text], .dl-filter select, .dl-filter input[type=date] {
  background: var(--bg); border:1px solid var(--border); color: var(--text);
  border-radius:8px; padding:8px 10px; font-size:13px; min-width:150px;
}
.dl-filter input[type=text] { flex:1; min-width:200px; }
.dl-filter input[type=date] { min-width:140px; }
.dl-tilde { color: var(--muted); }
.dl-filter .btn-sm { white-space:nowrap; }
.pager { display:flex; align-items:center; gap:14px; margin-top:14px; font-size:13px; color:var(--muted); }
.pager a { color:var(--accent); text-decoration:none; padding:6px 12px; border:1px solid var(--border); border-radius:8px; }
.pager a:hover { border-color:var(--accent); }
.pager .muted { color:var(--muted); padding:6px 12px; }
.dash-cols { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
@media (max-width:760px){ .dash-cols { grid-template-columns:1fr; } }
.dash-list { list-style:none; margin:0; padding:0; }
.dash-list li { display:flex; justify-content:space-between; gap:12px; padding:9px 0; border-bottom:1px solid var(--border); font-size:13.5px; }
.dash-list li:last-child { border-bottom:none; }
.dash-list li .m { color:var(--muted); font-size:12px; white-space:nowrap; }
.dash-list a { color:var(--text); text-decoration:none; }
.dash-list a:hover { color:var(--accent); }

.badge { padding: 3px 10px; border-radius: 12px; font-size: 12px; }
.badge.ok { background: rgba(79,209,197,0.15); color: var(--ok); }
.badge.off { background: rgba(255,107,107,0.15); color: var(--danger); }
.badge.admin { background: rgba(108,140,255,0.15); color: var(--accent2); }
.badge.warn { background: rgba(255,171,0,0.15); color: #ffab00; }
.badge.bad { background: rgba(255,107,107,0.15); color: var(--danger); }
.badge.invite { background: rgba(var(--fw-purple-rgb),0.18); color: rgb(var(--fw-purple-rgb)); font-weight:600; }
.badge.muted { background: rgba(140,140,160,0.15); color: var(--muted); }

.form-row { display:grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 14px; margin-bottom: 14px; }
.form-row input, .form-row textarea, .form-row select {
  width:100%; background: var(--bg); border:1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 10px 12px; font-size: 14px; font-family: inherit;
}
.form-row textarea { min-height: 80px; }
.btn-sm { padding: 6px 12px; border-radius: 6px; border:1px solid var(--border); background: var(--bg-soft); color: var(--text); cursor:pointer; font-size: 13px; }
.btn-sm.danger { color: var(--danger); border-color: var(--danger); }
.btn-sm.ok { color: var(--ok); border-color: var(--ok); }
.btn-add { background: var(--accent); color:var(--on-accent); border:none; padding: 10px 20px; border-radius: 8px; font-weight:600; cursor:pointer; }
.invite-banner { background: rgba(var(--fw-purple-rgb),0.08); border:1px solid rgba(var(--fw-purple-rgb),0.25); color:var(--text); font-size:13px; line-height:1.6; padding:12px 16px; border-radius:12px; margin-bottom:18px; }
.panel { background: var(--card); border:1px solid var(--border); border-radius: 12px; padding: 24px; margin-bottom: 24px; box-shadow: var(--shadow); }
.panel h3 { margin-bottom: 16px; font-size: 18px; }
.rte-toolbar { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.quill-box { background: var(--bg); border-radius: 0 0 8px 8px; margin-bottom: 14px; min-height: 120px; }
.ql-toolbar.ql-snow, .ql-container.ql-snow { border-color: var(--border); }
.ql-toolbar.ql-snow { border-radius: 8px 8px 0 0; background: var(--bg-soft); }
.ql-container.ql-snow { border-radius: 0 0 8px 8px; }
.ql-editor { color: var(--text); min-height: 110px; }
.ql-snow .ql-stroke { stroke: var(--muted); }
.ql-snow .ql-fill { fill: var(--muted); }
.ql-snow.ql-toolbar button:hover .ql-stroke, .ql-snow .ql-toolbar button:hover .ql-stroke { stroke: var(--accent); }

/* ---------- 新增组件样式 ---------- */
.acc-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap:8px 16px; margin-bottom:6px; }
.acc-check { display:flex; align-items:center; gap:6px; font-size:14px; color:var(--text); cursor:pointer; }
.acc-check input { accent-color: var(--accent); }
/* 人员多选组件 */
.acc-picker { position: relative; }
.acc-picker-box { display:flex; flex-wrap:wrap; align-items:center; gap:6px; min-height:42px; padding:6px 10px; border:1px solid var(--border); border-radius:8px; background:var(--bg); cursor:pointer; }
.acc-picker-box:hover { border-color: var(--accent); }
.acc-picker-input { flex:1; min-width:140px; border:none; outline:none; background:transparent; color:var(--text); font-size:14px; cursor:pointer; }
.acc-tags { display:flex; flex-wrap:wrap; gap:6px; }
.acc-tag { display:inline-flex; align-items:center; gap:5px; background:color-mix(in srgb, var(--accent) 15%, transparent); color:var(--accent); border:1px solid var(--accent); border-radius:20px; padding:2px 10px; font-size:13px; }
.acc-tag-x { cursor:pointer; font-weight:700; line-height:1; padding:0 2px; color:inherit; opacity:.7; }
.acc-tag-x:hover { opacity:1; }
.acc-placeholder { color:var(--muted); font-size:13px; }
.acc-drop { display:none; position:absolute; left:0; right:0; top:calc(100% + 6px); z-index:950; background:var(--bg-soft); border:1px solid var(--border); border-radius:10px; box-shadow:0 10px 30px rgba(0,0,0,.25); overflow:hidden; }
.acc-drop-search { padding:8px; border-bottom:1px solid var(--border); }
.acc-drop-search input { width:100%; box-sizing:border-box; padding:7px 10px; border:1px solid var(--border); border-radius:8px; background:var(--bg); color:var(--text); font-size:14px; outline:none; }
.acc-drop-search input:focus { border-color: var(--accent); }
.acc-drop-list { max-height:220px; overflow-y:auto; padding:6px; }
.acc-drop-list .acc-check { padding:7px 8px; border-radius:6px; }
.acc-drop-list .acc-check:hover { background:color-mix(in srgb, var(--accent) 12%, transparent); }
.acc-empty { padding:16px; text-align:center; color:var(--muted); font-size:13px; }
.doc-item { display:inline-flex; align-items:center; gap:4px; }
.doc-del { background:none; border:none; color:var(--danger); cursor:pointer; font-size:16px; line-height:1; padding:0 2px; }
.tl-ops { float:right; display:inline-flex; gap:6px; }
.tl-op { background:var(--bg-soft); border:1px solid var(--border); color:var(--muted); border-radius:5px; font-size:12px; padding:2px 8px; cursor:pointer; }
.tl-op.danger { color:var(--danger); border-color:var(--danger); }

/* ---------- 移动端适配 ---------- */
.menu-toggle { display:none; background:none; border:none; color:var(--text); font-size:24px; cursor:pointer; }
@media (max-width: 768px) {
  .nav-inner { padding: 0 16px; }
  .menu-toggle { display:block; }
  .nav-right {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-soft); border-bottom: 1px solid var(--border);
    padding: 0 16px; max-height: 0; overflow: hidden; transition: max-height .25s ease;
  }
  .nav-right.open { max-height: 420px; padding: 8px 16px 16px; }
  .nav-links {
    flex-direction: column; align-items: stretch; gap: 0; width: 100%;
  }
  .nav-right a, .nav-right .nav-user { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--border); }
  .nav-right .theme-switch { padding: 14px 0 6px; justify-content: center; }
  .nav-right .btn-nav { margin-top: 10px; text-align: center; }
  .hero { padding: 80px 18px 60px; }
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 16px; }
  .section { padding: 50px 18px; }
  .section-title { font-size: 24px; }
  .flywheel-wrap { padding: 30px 14px; }
  .project-block { padding: 18px; }
  .wheel { width: 260px; height: 260px; }
  .nodes-grid { grid-template-columns: 1fr; }
  .feature-grid, .team { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .acc-grid { grid-template-columns: 1fr; }
  .auth-wrap { margin: 40px 14px; padding: 24px; }
  .admin-wrap { padding: 24px 14px; }
  .admin-nav { gap: 6px; }
  .admin-nav a { padding: 6px 12px; font-size: 13px; }
  /* 表格横向滚动 */
  .table { display:block; width:100%; overflow-x:auto; white-space:nowrap; }
  .table thead, .table tbody, .table tr, .table td, .table th { display: revert; }
  .panel { padding: 16px; }
  .panel h3 { font-size: 16px; }
  .btn-add { width:100%; }
  .tl-ops { float:none; display:flex; margin-top:6px; }
  #edit-modal > div, #upd-modal > div, #node-modal > div { width: 92vw !important; padding: 18px !important; }
  .quill-box { min-height: 100px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .wheel { width: 220px; height: 220px; }
  .wheel-node { width: 90px; font-size: 12px; }
}

/* ---------- 项目抽屉预览 ---------- */
.click-hint { color: var(--accent); font-size: 14px; margin-top: 10px; }
.drawer-nodes { margin-top: 10px; }
.drawer-node { background: var(--card); border:1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 14px; }
.drawer-node h3 { color: var(--accent); font-size: 17px; margin-bottom: 6px; }
.drawer-node .desc { color: var(--muted); font-size: 14px; margin-bottom: 10px; }
.drawer-sub { font-size: 13px; color: var(--muted); margin: 8px 0 4px; font-weight: 600; }
.drawer-ul { margin-left: 18px; font-size: 14px; }
.drawer-ul a { color: var(--accent2); }
.drawer-ul .empty { list-style: none; margin-left: -18px; font-style: italic; }
#project-drawer.open { transform: translateX(0); }
@media (max-width: 768px) {
  #project-drawer { width: 100%; max-width: 100vw; }
}

/* ================= 后台通用右侧抽屉 ================= */
.ad-drawer-mask { position: fixed; inset: 0; background: var(--overlay); opacity: 0; pointer-events: none; transition: opacity .25s ease; z-index: 900; }
.ad-drawer-mask.open { opacity: 1; pointer-events: auto; }
.ad-drawer {
  position: fixed; top: 0; right: 0; height: 100vh; width: min(520px, 96vw); z-index: 901;
  background: var(--bg-soft); border-left: 1px solid var(--border);
  transform: translateX(105%); transition: transform .32s cubic-bezier(.25,.46,.45,.94);
  display: flex; flex-direction: column; box-shadow: -18px 0 50px rgba(0,0,0,.35);
  overflow: hidden;
}
.ad-drawer.open { transform: translateX(0); }
.ad-drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); flex: none; }
.ad-drawer-head h3 { margin: 0; font-size: 17px; color: var(--text); }
.ad-drawer-close { background: none; border: none; color: var(--muted); font-size: 22px; cursor: pointer; line-height: 1; }
.ad-drawer-close:hover { color: var(--text); }
.ad-drawer-body { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: 20px; }
.ad-drawer > form { min-height: 0; }
/* 抽屉主表单强制为纵向 flex，使其正文可内部滚动、底部按钮固定（排除附件上传等独立表单） */
.ad-drawer > form:has(> .ad-drawer-body) {
  display: flex !important;
  flex-direction: column !important;
  flex: 1 1 auto !important;
  min-height: 0 !important;
  overflow: hidden !important;
}
.ad-drawer-foot { flex: none; padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.ad-field { margin-bottom: 14px; }
.ad-field label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.ad-field input[type=text], .ad-field input[type=number], .ad-field input[type=password], .ad-field input[type=color], .ad-field textarea, .ad-field select {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 9px 11px; font-size: 13.5px; box-sizing: border-box;
}
.ad-field textarea { resize: vertical; }
.ad-field input[type=color] { width: 64px; height: 40px; padding: 2px; }
.ad-field .hint { font-size: 11px; color: var(--muted); margin-top: 4px; }
.quill-box { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; }
.quill-box .ql-toolbar.ql-snow { border-color: var(--border); border-top-left-radius: 8px; border-top-right-radius: 8px; }
.quill-box .ql-container.ql-snow { border-color: var(--border); border-bottom-left-radius: 8px; border-bottom-right-radius: 8px; min-height: 180px; }
.quill-box .ql-editor { min-height: 180px; color: var(--text); font-size: 14px; }
.ad-metrics-grid { display: grid; grid-template-columns: 0.9fr 1.4fr; gap: 8px; }
.ad-metrics-grid input { width: 100% !important; }
.ad-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.ad-tag-chip { background: var(--accent); color: #fff; padding: 3px 10px; border-radius: 14px; font-size: 12px; }
.ad-close { display: none; }
@media (max-width: 560px) { .ad-drawer { width: 100vw; } }

/* ---- 项目进度表格 ---- */
.pg-top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.pg-h3 { margin: 0; font-size: 20px; }
.pg-tools { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pg-filters { display: inline-flex; margin: 0; }
.pg-filters select { font-size: 13px; }
.btn-sm.add { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.pg-table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.pg-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.pg-table thead th { background: var(--bg-soft); color: var(--muted); font-weight: 600; text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.pg-table tbody td { padding: 11px 14px; border-bottom: 1px solid var(--border); color: var(--text); vertical-align: middle; }
.pg-table tbody tr:last-child td { border-bottom: none; }
.pg-table tbody tr:hover { background: var(--bg-soft); }
.pg-title-cell { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pg-ops { white-space: nowrap; }
.pg-ops .btn-sm { margin-right: 4px; margin-bottom: 4px; }
.doc-link { color: var(--accent2); margin-right: 8px; white-space: nowrap; }
/* 进展附件管理 */
.pg-attach-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.pg-attach-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; }
.pg-attach-form { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pg-attach-form input[type=file] { flex: 1; min-width: 160px; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; font-size: 13px; }
/* 详情抽屉内容 */
.vd-row { display: flex; gap: 8px; font-size: 13.5px; padding: 7px 0; border-bottom: 1px dashed var(--border); }
.vd-k { color: var(--muted); flex: 0 0 72px; }
.vd-v { color: var(--text); }
.vd-title { font-size: 17px; font-weight: 700; color: var(--text); margin: 14px 0 8px; }
.vd-content { font-size: 14px; line-height: 1.7; color: var(--text); background: var(--bg); border-radius: 8px; padding: 14px; max-height: 50vh; overflow-y: auto; }
.vd-content img { max-width: 100%; }
.vd-docs { margin-top: 12px; font-size: 13.5px; color: var(--muted); }
@media (max-width: 720px) {
  .pg-table thead { display: none; }
  .pg-table, .pg-table tbody, .pg-table tr, .pg-table td { display: block; width: 100%; }
  .pg-table tbody tr { border-bottom: 2px solid var(--border); padding: 6px 0; }
  .pg-table tbody td { border: none; padding: 6px 14px; }
  .pg-title-cell { white-space: normal; }
}

/* ---------- 项目节点管理（复用样式） ---------- */
.proj-summary { display: flex; gap: 16px; flex-wrap: wrap; }
.proj-metric-card { background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 8px 12px; text-align: center; }
.proj-metric-val { font-weight: 700; color: var(--accent); }
.proj-metric-label { font-size: 11px; color: var(--muted); }
.proj-tag-badge { background: rgba(124,109,240,.15); color: var(--accent); padding: 2px 10px; border-radius: 14px; font-size: 12px; }
.ring-card { border: 1px solid var(--border); border-radius: 12px; padding: 14px; margin-bottom: 12px; background: var(--card); }
.ring-card-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.ring-card-info { display: flex; align-items: center; gap: 10px; }
.ring-dot { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.ring-card-ops { white-space: nowrap; }
.ring-child-wrap { margin: 10px 0 0 18px; border-left: 2px solid var(--border); padding-left: 14px; }
.ring-child-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px; }
.proj-page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }
.proj-page-head h3 { margin: 8px 0 4px 12px; display: inline-block; vertical-align: middle; }

/* 尊重减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .atom-orbit { animation: none !important; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

