/* 财税政策智库 —— 样式 */
:root {
  --ink: #1c2733;
  --ink-2: #46586b;
  --ink-3: #7b8a99;
  --paper: #f6f7f9;
  --card: #ffffff;
  --line: #e3e8ee;
  --brand: #14508c;
  --brand-dark: #0e3a66;
  --brand-soft: #e8f0f9;
  --green: #1d7a4f;
  --green-soft: #e4f3ea;
  --amber: #9a6200;
  --amber-soft: #fdf3dd;
  --red: #b3382c;
  --red-soft: #fbe9e6;
  --gray-soft: #eef0f3;
  --violet: #5b4a9e;
  --violet-soft: #edeaf8;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(28, 39, 51, .08), 0 4px 14px rgba(28, 39, 51, .05);
  --serif: "Source Han Serif SC", "Noto Serif SC", "SimSun", serif;
  --sans: "Segoe UI", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
}
button { font-family: inherit; cursor: pointer; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 16px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff;
  box-shadow: 0 2px 8px rgba(14, 58, 102, .25);
}
.logo { display: flex; align-items: baseline; gap: 8px; cursor: pointer; white-space: nowrap; }
.logo b { font-family: var(--serif); font-size: 20px; letter-spacing: 2px; }
.logo span { font-size: 12px; opacity: .75; }
.searchwrap { flex: 1; display: flex; gap: 8px; max-width: 720px; }
.searchwrap input {
  flex: 1; padding: 9px 16px; border: none; border-radius: 8px;
  font-size: 14px; font-family: inherit; background: rgba(255,255,255,.94); color: var(--ink);
}
.searchwrap input:focus { outline: 2px solid #9cc3ea; background: #fff; }
.btn {
  border: none; border-radius: 8px; padding: 9px 16px; font-size: 14px;
  background: var(--brand); color: #fff; white-space: nowrap;
}
.btn:hover { filter: brightness(1.12); }
.btn.ghost { background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.35); }
.btn.plain { background: var(--gray-soft); color: var(--ink); }
.btn.plain:hover { background: var(--line); filter: none; }
.btn.ai { background: linear-gradient(135deg, #6d59c4, #4a3a8c); }
.btn.small { padding: 5px 12px; font-size: 13px; }
.btn.danger { background: var(--red); }
.topbar .right { display: flex; gap: 10px; align-items: center; }
.userchip {
  display: flex; align-items: center; gap: 6px; padding: 6px 14px;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px; font-size: 13px; cursor: pointer; white-space: nowrap;
}
.userchip:hover { background: rgba(255,255,255,.28); }

/* ---------- 布局 ---------- */
.layout { display: flex; min-height: calc(100vh - 56px); }
.sidebar {
  width: 236px; flex-shrink: 0; padding: 18px 14px;
  background: var(--card); border-right: 1px solid var(--line);
}
.snav { display: flex; flex-direction: column; gap: 4px; margin-bottom: 18px; }
.snav button {
  text-align: left; padding: 9px 12px; border: none; background: none;
  border-radius: 8px; font-size: 14.5px; color: var(--ink-2); display: flex; gap: 8px; align-items: center;
}
.snav button:hover { background: var(--gray-soft); }
.snav button.active { background: var(--brand-soft); color: var(--brand-dark); font-weight: 600; }
.fgroup { margin-bottom: 16px; }
.fgroup h4 { font-size: 12.5px; color: var(--ink-3); font-weight: 600; margin-bottom: 8px; letter-spacing: 1px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  border: 1px solid var(--line); background: var(--card); border-radius: 999px;
  padding: 3px 11px; font-size: 12.5px; color: var(--ink-2); cursor: pointer;
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.on { background: var(--brand); border-color: var(--brand); color: #fff; }
.main { flex: 1; padding: 22px 28px 60px; max-width: 1080px; }

/* ---------- 卡片与通用 ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.section-title { font-family: var(--serif); font-size: 18px; margin: 26px 0 12px; display: flex; align-items: center; gap: 8px; }
.section-title:first-child { margin-top: 0; }
.muted { color: var(--ink-3); font-size: 13px; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge.ok { background: var(--green-soft); color: var(--green); }
.badge.warn { background: var(--amber-soft); color: var(--amber); }
.badge.dead { background: var(--gray-soft); color: var(--ink-3); text-decoration: line-through; }
.badge.part { background: var(--red-soft); color: var(--red); }
.badge.demo { background: var(--violet-soft); color: var(--violet); font-weight: 500; }
.tag { display: inline-block; padding: 1px 9px; border-radius: 5px; font-size: 12px; background: var(--brand-soft); color: var(--brand-dark); margin-right: 5px; }

/* ---------- 首页 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat { padding: 16px 18px; cursor: pointer; transition: transform .12s; }
.stat:hover { transform: translateY(-2px); }
.stat .num { font-size: 30px; font-weight: 700; font-family: var(--serif); }
.stat .lbl { font-size: 13px; color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.stat.green .num { color: var(--green); }
.stat.amber .num { color: var(--amber); }
.stat.gray .num { color: var(--ink-3); }
.stat.red .num { color: var(--red); }
.empty-tip { padding: 14px 18px; color: var(--ink-3); font-size: 13.5px; }

/* 政策列表条目 */
.pitem { padding: 14px 18px; display: block; color: inherit; cursor: pointer; border-bottom: 1px solid var(--line); }
.pitem:last-child { border-bottom: none; }
.pitem:hover { background: #fafbfd; text-decoration: none; }
.pitem .t { font-weight: 600; font-size: 15.5px; margin-bottom: 3px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.pitem .meta { font-size: 12.5px; color: var(--ink-3); display: flex; gap: 14px; flex-wrap: wrap; }
.pitem .snippet { font-size: 13px; color: var(--ink-2); margin-top: 5px; background: #fffbe8; padding: 4px 8px; border-radius: 6px; }

/* 冲突卡 */
.conflict { padding: 14px 18px; border-left: 4px solid var(--amber); margin-bottom: 12px; }
.conflict.hard { border-left-color: var(--red); }
.conflict h5 { font-size: 14.5px; margin-bottom: 6px; }
.conflict table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 6px; }
.conflict th, .conflict td { text-align: left; padding: 5px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.conflict th { color: var(--ink-3); font-weight: 500; white-space: nowrap; }

/* ---------- 详情页 ---------- */
.dhead { padding: 20px 24px; }
.dhead h2 { font-family: var(--serif); font-size: 22px; line-height: 1.5; margin-bottom: 6px; }
.dhead .sub { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13.5px; color: var(--ink-2); margin-bottom: 8px; }
.dhead .rels { font-size: 13px; margin-top: 8px; color: var(--ink-2); }
.banner { padding: 10px 16px; border-radius: 8px; font-size: 13.5px; margin: 12px 0; display: flex; gap: 8px; align-items: flex-start; }
.banner.warn { background: var(--amber-soft); color: var(--amber); border: 1px solid #f0dcae; }
.banner.hard { background: var(--red-soft); color: var(--red); border: 1px solid #ecc2bc; }
.banner.info { background: var(--brand-soft); color: var(--brand-dark); border: 1px solid #cdddf0; }
.banner a { font-weight: 600; }

.tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--line); margin: 18px 0 0; }
.tabs button {
  border: none; background: none; padding: 9px 18px; font-size: 14.5px; color: var(--ink-2);
  border-bottom: 2px solid transparent; margin-bottom: -2px;
}
.tabs button.active { color: var(--brand-dark); border-bottom-color: var(--brand); font-weight: 600; }
.tabpane { padding: 20px 24px; }

.para { position: relative; margin-bottom: 14px; padding: 2px 4px; border-radius: 6px; }
.para:hover { background: #fafbfd; }
.para mark { background: #ffe9a8; border-radius: 3px; padding: 0 2px; }

/* 系统批注（新旧衔接） */
.sysnote {
  margin: 8px 0 14px 18px; padding: 10px 14px; border-left: 3px solid var(--amber);
  background: var(--amber-soft); border-radius: 0 8px 8px 0; font-size: 13.5px;
}
.sysnote.废止 { border-left-color: var(--red); background: var(--red-soft); }
.sysnote.延续 { border-left-color: var(--green); background: var(--green-soft); }
.sysnote b { display: inline-block; margin-right: 6px; }
.sysnote .k { color: var(--ink-3); margin-right: 4px; }
.sysnote .row { margin-top: 2px; }

/* 用户批注 */
.usernote {
  margin: 8px 0 14px 18px; padding: 9px 14px; border-left: 3px solid var(--violet);
  background: var(--violet-soft); border-radius: 0 8px 8px 0; font-size: 13.5px;
}
.usernote .who { color: var(--violet); font-weight: 600; margin-right: 8px; }
.usernote .quote { color: var(--ink-3); font-size: 12.5px; margin-bottom: 2px; }
.usernote .del { float: right; border: none; background: none; color: var(--ink-3); font-size: 12px; }
.usernote .del:hover { color: var(--red); }

.selbtn {
  position: absolute; z-index: 60; background: var(--violet); color: #fff;
  border: none; border-radius: 6px; padding: 5px 12px; font-size: 13px; box-shadow: var(--shadow);
}

.qa-item { margin-bottom: 16px; }
.qa-src { padding-left: 26px; font-size: 12.5px; color: var(--ink-3); margin: 2px 0 4px; }
.qa-src a { word-break: break-all; }
.qa-item .q { font-weight: 600; color: var(--brand-dark); margin-bottom: 4px; }
.qa-item .a { padding-left: 26px; }
.qa-item .q::before { content: "问"; display: inline-block; width: 20px; height: 20px; line-height: 20px; text-align: center; background: var(--brand); color: #fff; border-radius: 4px; font-size: 12px; margin-right: 6px; }

/* ---------- AI 回答 ---------- */
.ai-card { border-left: 4px solid var(--violet); padding: 16px 20px; margin-bottom: 18px; }
.ai-card h5 { color: var(--violet); margin-bottom: 8px; font-size: 14px; }
.ai-card .links { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.spin { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--violet-soft); border-top-color: var(--violet); border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -3px; margin-right: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 弹窗 ---------- */
.overlay {
  position: fixed; inset: 0; background: rgba(20, 30, 42, .5); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal { background: #fff; border-radius: 14px; width: 560px; max-width: 96vw; max-height: 90vh; overflow: auto; padding: 26px 30px; }
.modal h3 { font-family: var(--serif); font-size: 19px; margin-bottom: 14px; }
.modal label { display: block; font-size: 13px; color: var(--ink-2); margin: 12px 0 4px; }
.modal input[type=text], .modal input[type=password], .modal textarea, .modal select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 14px; font-family: inherit;
}
.modal input:focus, .modal textarea:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }
.modal .actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }
.modal .note { font-size: 12.5px; color: var(--ink-3); margin-top: 6px; }
.mtabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.mtabs button { border: none; background: none; padding: 8px 14px; font-size: 14px; color: var(--ink-2); border-bottom: 2px solid transparent; }
.mtabs button.active { color: var(--brand-dark); border-bottom-color: var(--brand); font-weight: 600; }
.userlist { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.sources-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.sources-table th, .sources-table td { text-align: left; padding: 5px 8px; border-bottom: 1px solid var(--line); }
.sources-table th { color: var(--ink-3); font-weight: 500; }
.scroll-y { max-height: 260px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; }

/* ---------- 新手引导 ---------- */
.tour { text-align: center; }
.tour .step-ill { font-size: 44px; margin: 8px 0 14px; }
.tour h3 { margin-bottom: 8px; }
.tour p { color: var(--ink-2); font-size: 14.5px; text-align: left; }
.tour .dots { display: flex; gap: 6px; justify-content: center; margin: 18px 0 6px; }
.tour .dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.tour .dots i.on { background: var(--brand); }

@media (max-width: 860px) {
  .sidebar { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .logo span { display: none; }
}

/* ---------- 登录页（云端版追加） ---------- */
.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
}
.login-card {
  background: var(--card); border-radius: 14px; width: 400px; max-width: 94vw;
  padding: 38px 40px 32px; box-shadow: 0 8px 40px rgba(10, 30, 55, .35);
}
.login-card .login-logo { font-size: 42px; text-align: center; margin-bottom: 6px; }
.login-card h1 {
  font-family: var(--serif); font-size: 24px; letter-spacing: 3px;
  text-align: center; color: var(--brand-dark); margin-bottom: 4px;
}
.login-card .login-sub { text-align: center; font-size: 12.5px; color: var(--ink-3); margin-bottom: 22px; }
.login-card label { display: block; font-size: 13px; color: var(--ink-2); margin: 14px 0 5px; }
.login-card input {
  width: 100%; padding: 10px 13px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 14px; font-family: inherit;
}
.login-card input:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }
.login-btn { width: 100%; margin-top: 20px; padding: 11px 0; font-size: 15px; letter-spacing: 6px; }
.login-btn:disabled { opacity: .6; cursor: default; }
.login-error {
  margin-top: 14px; padding: 9px 13px; border-radius: 8px; font-size: 13px;
  background: var(--red-soft); color: var(--red); border: 1px solid #ecc2bc;
}
.login-tip {
  margin-top: 2px; padding: 9px 13px; border-radius: 8px; font-size: 13px;
  background: var(--brand-soft); color: var(--brand-dark); border: 1px solid #cdddf0;
}
.login-foot { margin-top: 18px; text-align: center; font-size: 12px; color: var(--ink-3); }