/* ============================================================
   菲达慧采 · 非标环保设备技术文件智能评审与价格对标平台
   Editorial light theme · 系统内置中文衬线字体
   ============================================================ */

:root {
  --paper: #f7f5f0;
  --paper-raise: #fffdf9;
  --paper-inset: #f0ede5;
  --ink: #1f2328;
  --ink-soft: #4b5259;
  --ink-faint: #8a8f94;
  --hairline: #ddd8cc;
  --hairline-strong: #c9c2b2;
  --accent: #1d4e5f;          /* 黛蓝 */
  --accent-soft: #e4edee;
  --seal: #b03a2e;            /* 印泥红 */
  --seal-soft: #f7e8e5;
  --gold: #9a7b2d;

  --risk-critical: #a92e22;
  --risk-critical-bg: #f8e9e6;
  --risk-high: #b4641e;
  --risk-high-bg: #f8efe2;
  --risk-mid: #8a7418;
  --risk-mid-bg: #f6f1dd;
  --risk-low: #5d6a70;
  --risk-low-bg: #eceeec;
  --ok: #2e6b45;
  --ok-bg: #e5f0e8;

  --serif: "Songti SC", "STSong", "Noto Serif SC", "SimSun", "Source Han Serif SC", serif;
  --num: "Georgia", "Songti SC", serif;
  --mono: "SF Mono", "Menlo", monospace;

  --shadow-card: 0 1px 2px rgba(31, 35, 40, 0.05), 0 6px 24px -12px rgba(31, 35, 40, 0.18);
  --radius: 4px;
}

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

html { font-size: 15px; }

body {
  font-family: var(--serif);
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(29, 78, 95, 0.05), transparent 60%),
    var(--paper);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(29, 78, 95, 0.18); }

a { color: var(--accent); text-decoration: none; }

/* 金额 / 计量 / 百分比 / 表列数字：表值字体 + 等宽数字，非 mono */
.num {
  font-family: var(--num);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

/* 编码 / ID / 规则号 / 模板号：等宽，便于扫读比对 */
.code {
  font-family: var(--mono);
  font-size: 0.92em;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 顶部导航 ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline-strong);
}

.site-nav.is-drawer-open {
  z-index: 200;
  /* 打开菜单时关掉毛玻璃，避免与 fixed 层合成异常 */
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background: var(--paper);
}

.site-nav__inner {
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 34px;
  height: 58px;
}

.site-nav__brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink);
}

/* 品牌标记：简形几何 SVG，主题色 currentColor → --accent */
.brand-seal,
.site-nav__seal {
  width: 22px;
  height: 22px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  flex-shrink: 0;
  background: transparent;
  border-radius: 2px;
  line-height: 0;
  transform: rotate(-3deg);
}

.brand-seal svg,
.site-nav__seal svg {
  width: 100%;
  height: 100%;
  display: block;
}

.brand-seal--lg {
  width: 36px;
  height: 36px;
  transform: rotate(-3deg);
}

.brand-seal--muted {
  color: var(--ink-soft);
}

.site-nav__name { font-size: 17px; font-weight: 700; letter-spacing: 0.06em; }
.site-nav__sub { font-size: 11.5px; color: var(--ink-faint); letter-spacing: 0.12em; }

.site-nav__links { display: flex; align-items: center; gap: 4px; flex: 1; }

.site-nav__link {
  position: relative;
  padding: 6px 13px;
  font-size: 14px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  border-radius: 3px;
  white-space: nowrap;
}

.site-nav__link:hover { color: var(--ink); background: var(--paper-inset); }

.site-nav__link.is-active {
  color: var(--accent);
  font-weight: 700;
}

.site-nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 2px;
  height: 2px;
  background: var(--accent);
}

.site-nav__link.is-planned { color: var(--ink-faint); cursor: default; }
.site-nav__link.is-planned:hover { background: none; color: var(--ink-faint); }

.site-nav__link.is-planned .dot {
  display: inline-block;
  margin-left: 5px;
  font-size: 10px;
  color: var(--gold);
  vertical-align: super;
}

.site-nav__user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

.site-nav__avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* 汉堡按钮 / 抽屉：桌面隐藏 */
.site-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  margin-left: 8px;
  padding: 8px;
  border: 1px solid var(--hairline-strong);
  border-radius: 3px;
  background: var(--paper-raise);
  cursor: pointer;
  flex-shrink: 0;
}

.site-nav__toggle-bar {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav__toggle.is-open .site-nav__toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.site-nav__toggle.is-open .site-nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-nav__toggle.is-open .site-nav__toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.site-nav__backdrop {
  display: none;
}

.site-nav__drawer {
  display: none;
}

body.nav-drawer-open {
  overflow: hidden;
}

/* ---------- 布局工具类 ---------- */

.page { max-width: 1480px; margin: 0 auto; padding: 26px 28px 60px; }

.card {
  background: var(--paper-raise);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.hairline-b { border-bottom: 1px solid var(--hairline); }

/* ---------- 页头 ---------- */

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }

.page-head__crumb { font-size: 12.5px; color: var(--ink-faint); letter-spacing: 0.06em; margin-bottom: 6px; }
.page-head__crumb b { color: var(--ink-soft); font-weight: 400; }

.page-head__title {
  font-size: 25px;
  font-weight: 700;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-head__meta { display: flex; gap: 22px; margin-top: 8px; font-size: 13px; color: var(--ink-soft); flex-wrap: wrap; }
.page-head__meta b { font-weight: 700; color: var(--ink); }
.page-head__actions { display: flex; gap: 10px; flex-shrink: 0; }

/* ---------- 徽章 / 标签 ---------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  padding: 2px 9px;
  border-radius: 2px;
  border: 1px solid;
  letter-spacing: 0.05em;
  line-height: 1.6;
  white-space: nowrap;
}

.tag--critical { color: var(--risk-critical); background: var(--risk-critical-bg); border-color: rgba(169, 46, 34, 0.35); }
.tag--high     { color: var(--risk-high);     background: var(--risk-high-bg);     border-color: rgba(180, 100, 30, 0.35); }
.tag--mid      { color: var(--risk-mid);      background: var(--risk-mid-bg);      border-color: rgba(138, 116, 24, 0.35); }
.tag--low      { color: var(--risk-low);      background: var(--risk-low-bg);      border-color: rgba(93, 106, 112, 0.3); }
.tag--ok       { color: var(--ok);            background: var(--ok-bg);            border-color: rgba(46, 107, 69, 0.3); }
.tag--accent   { color: var(--accent);        background: var(--accent-soft);      border-color: rgba(29, 78, 95, 0.3); }
.tag--plain    { color: var(--ink-soft);      background: var(--paper-inset);      border-color: var(--hairline); }

/* ---------- 按钮 ---------- */

.btn {
  font-family: var(--serif);
  font-size: 13.5px;
  letter-spacing: 0.08em;
  padding: 7px 18px;
  border-radius: 3px;
  border: 1px solid var(--hairline-strong);
  background: var(--paper-raise);
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:hover { border-color: var(--accent); color: var(--accent); }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fdfcf9;
}

.btn--primary:hover { background: #16404f; color: #fff; }

.btn--ghost-danger:hover { border-color: var(--seal); color: var(--seal); }

.btn--sm { font-size: 12px; padding: 3px 12px; letter-spacing: 0.05em; }

/* ---------- 表格 ---------- */

.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }

.table th {
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline-strong);
  background: var(--paper-inset);
  white-space: nowrap;
}

.table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}

.table tbody tr { transition: background 0.12s; }
.table tbody tr:hover { background: rgba(29, 78, 95, 0.035); }
.table tbody tr:last-child td { border-bottom: none; }

/* ---------- 置信度 ---------- */

.conf { display: inline-flex; align-items: center; gap: 7px; }

.conf__bar {
  width: 44px;
  height: 4px;
  background: var(--paper-inset);
  border-radius: 2px;
  overflow: hidden;
}

.conf__fill { height: 100%; border-radius: 2px; background: var(--accent); }
.conf__fill.is-warn { background: var(--risk-high); }
.conf__val { font-size: 12px; color: var(--ink-faint); font-family: var(--num); }

/* ---------- 页脚 ---------- */

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 22px 28px 34px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
}

.site-footer__link {
  color: var(--ink-faint);
  letter-spacing: 0.1em;
  border-bottom: 1px solid transparent;
}

.site-footer__link:hover {
  color: var(--accent);
  border-bottom-color: rgba(29, 78, 95, 0.35);
}

.site-footer__link[aria-current="page"] {
  color: var(--accent);
  font-weight: 700;
}

/* ---------- AI 辅助面板 ---------- */

.ai-panel {
  margin-top: 18px;
  margin-bottom: 22px;
  overflow: hidden;
}

.ai-panel[hidden] { display: none !important; }

.ai-panel__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--hairline-strong);
  background: var(--paper-inset);
}

.ai-panel__title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.ai-panel__status {
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

.ai-panel__head .grow { flex: 1; }

.ai-panel__focus {
  display: flex;
  align-items: flex-start;
  gap: 10px 12px;
  padding: 12px 18px 14px;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper-raise);
  flex-wrap: wrap;
}

.ai-panel__focus-label {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 9px;
}

.ai-panel__focus-main {
  flex: 1;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ai-panel__focus-input {
  width: 100%;
  font-family: var(--serif);
  font-size: 13.5px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--hairline-strong);
  border-radius: 3px;
  padding: 7px 12px;
  min-height: 34px;
}

.ai-panel__focus-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(29, 78, 95, 0.12);
}

.ai-panel__focus-input::placeholder {
  color: var(--ink-faint);
}

.ai-panel__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-chip {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  background: var(--paper);
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s, background 0.12s;
  line-height: 1.5;
}

.ai-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ai-chip.is-on {
  border-color: rgba(29, 78, 95, 0.45);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.ai-panel__focus > .btn {
  margin-top: 2px;
  flex-shrink: 0;
}

.ai-panel__body {
  padding: 16px 20px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  text-align: left;
  min-height: 72px;
}

.ai-panel__text p {
  margin: 0 0 0.75em;
  text-align: justify;
}

.ai-panel__text p:last-child { margin-bottom: 0; }

.ai-panel__text .ai-md__h,
.ai-panel__text h2,
.ai-panel__text h3,
.ai-panel__text h4 {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin: 1em 0 0.45em;
  line-height: 1.45;
}

.ai-panel__text .ai-md__h:first-child,
.ai-panel__text h2:first-child,
.ai-panel__text h3:first-child,
.ai-panel__text h4:first-child {
  margin-top: 0;
}

.ai-panel__text ul,
.ai-panel__text ol {
  margin: 0.25em 0 0.85em;
  padding-left: 1.35em;
  text-align: left;
}

.ai-panel__text li {
  margin: 0.25em 0;
  padding-left: 0.15em;
  line-height: 1.75;
}

.ai-panel__text li::marker {
  color: var(--ink-faint);
}

.ai-panel__text strong {
  color: var(--ink);
  font-weight: 700;
}

.ai-panel__text code.code {
  font-size: 0.92em;
}

.ai-panel__placeholder {
  color: var(--ink-faint);
  letter-spacing: 0.06em;
  text-align: center;
  padding: 12px 0;
}

.ai-panel__placeholder--err { color: var(--seal); text-align: left; }

.ai-panel.is-loading .ai-panel__body {
  background: linear-gradient(90deg, transparent, rgba(29, 78, 95, 0.04), transparent);
  background-size: 200% 100%;
  animation: ai-shimmer 1.2s ease infinite;
}

@keyframes ai-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.ai-panel__foot {
  padding: 0 20px 16px;
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

.ai-panel__cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  margin-left: 2px;
  vertical-align: -0.12em;
  background: var(--accent);
  opacity: 0.75;
  animation: ai-cursor-blink 0.9s step-end infinite;
}

@keyframes ai-cursor-blink {
  50% { opacity: 0; }
}

.ai-panel.is-streaming .ai-panel__body {
  min-height: 96px;
}

/* ---------- 小工具 ---------- */

.muted { color: var(--ink-faint); }
.soft { color: var(--ink-soft); }
.seal-text { color: var(--seal); }
.nowrap { white-space: nowrap; }

.divider-v { width: 1px; align-self: stretch; background: var(--hairline); }

.kbd {
  font-family: var(--mono);
  font-size: 11px;
  border: 1px solid var(--hairline-strong);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 0 5px;
  color: var(--ink-soft);
  background: var(--paper-raise);
}

button.kbd--btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  min-height: 22px;
  padding: 0 6px;
  margin: 0 1px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  vertical-align: middle;
  color: var(--ink-soft);
  background: var(--paper-raise);
  border: 1px solid var(--hairline-strong);
  border-bottom-width: 2px;
  border-radius: 3px;
  transition: border-color 0.12s, color 0.12s, background 0.12s;
}

button.kbd--btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

button.kbd--btn:active {
  border-bottom-width: 1px;
  transform: translateY(1px);
}

button.kbd--btn:focus-visible {
  outline: 2px solid rgba(29, 78, 95, 0.35);
  outline-offset: 1px;
}

button.kbd--btn:disabled {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

/* 淡入 */
@keyframes rise-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.rise { animation: rise-in 0.45s ease both; }
.rise-1 { animation-delay: 0.05s; }
.rise-2 { animation-delay: 0.12s; }
.rise-3 { animation-delay: 0.2s; }

/* ---------- 状态标签 ---------- */

.tag--status-review { color: var(--accent); background: var(--accent-soft); border-color: rgba(29, 78, 95, 0.3); }
.tag--status-parsing { color: var(--risk-high); background: var(--risk-high-bg); border-color: rgba(180, 100, 30, 0.35); }
.tag--status-wait { color: var(--risk-mid); background: var(--risk-mid-bg); border-color: rgba(138, 116, 24, 0.35); }
.tag--status-done { color: var(--ok); background: var(--ok-bg); border-color: rgba(46, 107, 69, 0.3); }

/* ---------- 表单控件 ---------- */

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}

.field label {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.field select,
.field input {
  font-family: var(--serif);
  font-size: 13.5px;
  color: var(--ink);
  background: var(--paper-raise);
  border: 1px solid var(--hairline-strong);
  border-radius: 3px;
  padding: 6px 10px;
  min-height: 34px;
}

.field select:focus,
.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(29, 78, 95, 0.12);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 14px 18px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--hairline);
}

.filter-bar__actions { display: flex; gap: 8px; align-items: center; margin-left: auto; }

.section-card { margin-bottom: 18px; overflow: hidden; }

.section-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--hairline-strong);
}

.section-card__title { font-size: 16px; font-weight: 700; letter-spacing: 0.05em; }
.section-card__head .grow { flex: 1; }

.section-card__body { padding: 16px 20px 20px; }

.empty-hint {
  padding: 28px 16px;
  text-align: center;
  color: var(--ink-faint);
  font-size: 13.5px;
  letter-spacing: 0.06em;
}

.table-wrap { overflow-x: auto; }

.row-link { color: var(--ink); font-weight: 700; }
.row-link:hover { color: var(--accent); }

.pill-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper-inset);
}

.pill-tab {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.05em;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
}

.pill-tab:hover { color: var(--ink); background: var(--paper-raise); }
.pill-tab.is-on {
  background: var(--paper-raise);
  border-color: var(--hairline-strong);
  color: var(--accent);
  font-weight: 700;
}

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--ink);
  color: #f7f5f0;
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 13.5px;
  letter-spacing: 0.06em;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 100;
  box-shadow: var(--shadow-card);
}

.toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 移动端 / 窄屏 ---------- */

@media (max-width: 900px) {
  html { font-size: 14.5px; }

  .page {
    padding: 16px 14px 48px;
  }

  /* 导航：汉堡 + 抽屉菜单 */
  .site-nav__inner {
    height: 52px;
    padding: 0 12px;
    gap: 8px;
    flex-wrap: nowrap;
    align-items: center;
  }

  .site-nav__brand {
    flex: 1 1 auto;
    min-width: 0;
    gap: 8px;
    align-items: center;
  }

  .site-nav__name {
    font-size: 15px;
    white-space: nowrap;
  }

  .site-nav__sub {
    display: none;
  }

  .site-nav__links--desktop {
    display: none;
  }

  .site-nav__user {
    display: none;
  }

  .site-nav__toggle {
    display: inline-flex;
    margin-left: 0;
  }

  /* 遮罩 / 抽屉挂在 body 上，不依赖 .site-nav 子选择器 */
  .site-nav__backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 240;
    background: rgba(31, 35, 40, 0.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  body.nav-drawer-open .site-nav__backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav__backdrop[hidden] {
    display: none !important;
  }

  .site-nav__drawer {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    z-index: 250;
    width: min(300px, 86vw);
    height: 100%;
    max-height: 100dvh;
    /* 实色纸底，避免任何半透明合成 */
    background-color: #fffdf9;
    background-color: var(--paper-raise);
    border-left: 1px solid var(--hairline-strong);
    box-shadow: -8px 0 32px rgba(31, 35, 40, 0.16);
    transform: translateX(100%);
    transition: transform 0.22s ease;
    padding: 0 0 env(safe-area-inset-bottom, 0);
    isolation: isolate;
  }

  body.nav-drawer-open .site-nav__drawer {
    transform: translateX(0);
  }

  .site-nav__drawer[hidden] {
    display: none !important;
  }

  body.nav-drawer-open .site-nav__drawer[hidden] {
    display: flex !important;
  }

  .site-nav__drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--hairline-strong);
    background-color: #f0ede5;
    background-color: var(--paper-inset);
    flex-shrink: 0;
  }

  .site-nav__drawer-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--ink);
  }

  .site-nav__drawer-close {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    font-size: 24px;
    line-height: 1;
    color: var(--ink-soft);
    cursor: pointer;
    border-radius: 3px;
  }

  .site-nav__drawer-close:hover {
    background: var(--paper);
    color: var(--ink);
  }

  .site-nav__drawer-links {
    display: flex;
    flex-direction: column;
    padding: 10px 10px 16px;
    gap: 2px;
    overflow-y: auto;
    flex: 1;
    background-color: #fffdf9;
    background-color: var(--paper-raise);
  }

  .site-nav__link--drawer {
    display: block;
    padding: 12px 14px;
    font-size: 15px;
    letter-spacing: 0.04em;
    color: var(--ink-soft);
    border-radius: 3px;
    white-space: normal;
  }

  .site-nav__link--drawer:hover {
    background: var(--paper-inset);
    color: var(--ink);
  }

  .site-nav__link--drawer.is-active {
    color: var(--accent);
    font-weight: 700;
    background: var(--accent-soft);
  }

  .site-nav__link--drawer.is-active::after {
    display: none;
  }

  .site-nav__drawer-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-top: 1px solid var(--hairline);
    font-size: 13.5px;
    color: var(--ink-soft);
    background-color: #fffdf9;
    background-color: var(--paper-raise);
    flex-shrink: 0;
  }

  .site-nav__drawer-foot {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px 16px 18px;
    border-top: 1px solid var(--hairline);
    background-color: #f0ede5;
    background-color: var(--paper-inset);
    flex-shrink: 0;
  }

  .site-nav__drawer-foot a {
    font-size: 12.5px;
    color: var(--ink-faint);
    letter-spacing: 0.06em;
    padding: 6px 0;
  }

  .site-nav__drawer-foot a:hover {
    color: var(--accent);
  }

  /* 页头 */
  .page-head {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 16px;
  }

  .page-head__title {
    font-size: 20px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-head__meta {
    gap: 8px 14px;
    font-size: 12.5px;
  }

  .page-head__actions {
    flex-wrap: wrap;
    width: 100%;
  }

  .page-head__actions .btn {
    flex: 1 1 auto;
    text-align: center;
    justify-content: center;
  }

  /* 表格横向滚动 */
  .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -4px;
    padding: 0 4px;
  }

  .table {
    min-width: 640px;
    font-size: 12.5px;
  }

  .table th,
  .table td {
    padding: 8px 10px;
  }

  /* AI 面板 */
  .ai-panel__focus {
    flex-direction: column;
    align-items: stretch;
  }

  .ai-panel__focus-label {
    margin-top: 0;
  }

  .ai-panel__focus > .btn {
    margin-top: 0;
    width: 100%;
  }

  .ai-panel__head {
    flex-wrap: wrap;
    gap: 8px;
  }

  .ai-panel__body {
    padding: 14px 14px 16px;
  }

  .site-footer {
    padding: 18px 14px 28px;
    font-size: 11px;
    letter-spacing: 0.06em;
    line-height: 1.7;
  }

  .card {
    max-width: 100%;
  }

  .btn {
    white-space: nowrap;
  }

  .toast {
    left: 12px;
    right: 12px;
    transform: translateY(12px);
    width: auto;
    text-align: center;
  }

  .toast.is-show {
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .page-head__title {
    font-size: 18px;
  }

  .site-nav__name {
    font-size: 14.5px;
  }

  .ai-panel__chips {
    gap: 5px;
  }

  .ai-chip {
    font-size: 11.5px;
    padding: 3px 9px;
  }
}