/* 与主站一致的令牌 · 企业蓝 */
:root {
  --bg: #f5f7fb;
  --bg-soft: #eef4ff;
  --surface: #ffffff;
  --surface-2: #f8faff;

  --line: #e4e9f2;
  --line-strong: #d5dded;

  --ink: #0f172a;
  --text-2: #334155;
  --soft: #64748b;
  --faint: #94a3b8;

  --brand: #2563eb;
  --brand-strong: #1d4ed8;
  --brand-soft: #e8f0ff;
  --brand-line: #c7dbff;
  --brand-grad: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);

  --ok: #16a34a;
  --ok-soft: #eafaf0;
  --warn: #d97706;
  --warn-soft: #fff7e8;
  --danger: #dc2626;
  --danger-soft: #fef2f2;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.07);
  --shadow-brand: 0 8px 20px rgba(37, 99, 235, 0.2);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: rgba(37, 99, 235, 0.16); }

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-strong); }

:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.wrap {
  width: min(1200px, calc(100% - 80px));
  margin: 0 auto;
}

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 64px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(180%) blur(12px);
}
.topbar-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 100%;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  color: var(--ink);
}
.logo:hover { color: var(--ink); }
.logo-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--brand-grad);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}
.logo-mark svg { width: 18px; height: 18px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text b { font-size: 15px; font-weight: 650; letter-spacing: -0.01em; }
.logo-text i {
  font-style: normal;
  font-size: 10.5px;
  color: var(--faint);
  letter-spacing: 0.14em;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}
.topnav a {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-2);
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}
.topnav a:hover { color: var(--brand); background: var(--brand-soft); }
.topnav .nav-ghost {
  border: 1px solid var(--line-strong);
  color: var(--text-2);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.topnav .nav-ghost:hover {
  border-color: var(--brand-line);
  color: var(--brand);
  background: var(--brand-soft);
}

/* ---------- 首屏 ---------- */
.hero-band {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(720px 360px at 78% 8%, rgba(59, 130, 246, 0.14), transparent 60%),
    radial-gradient(520px 300px at 8% 0%, rgba(37, 99, 235, 0.1), transparent 65%),
    linear-gradient(180deg, #eef4ff 0%, var(--bg) 72%);
}
.hero-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 100%);
  pointer-events: none;
}
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  align-items: center;
  gap: 48px;
  padding: 56px 0 54px;
}
.kicker {
  display: inline-flex;
  align-items: center;
  height: 28px;
  margin: 0 0 18px;
  padding: 0 12px;
  border: 1px solid var(--brand-line);
  border-radius: 999px;
  background: #fff;
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.hero h1 {
  margin: 0;
  font-size: 52px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.035em;
}
.hero h1 em {
  font-style: normal;
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  max-width: 480px;
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--soft);
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
}
.stat-card {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.stat-card dt { font-size: 12px; color: var(--soft); }
.stat-card dd {
  margin: 8px 0 0;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 主体 ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
  align-items: start;
  gap: 20px;
  padding: 36px 0 64px;
}
.panel {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.sec-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.sec-head .num {
  display: grid;
  place-items: center;
  height: 22px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
}
.sec-head h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.sec-head .count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
}

/* ---------- 表单 ---------- */
.form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}
.opt { font-size: 12px; font-weight: 400; color: var(--faint); }
.field input,
.field textarea {
  width: 100%;
  padding: 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input { height: 44px; }
.field textarea {
  min-height: 160px;
  padding: 11px 13px;
  line-height: 1.75;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--faint); }
.field input:focus,
.field textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.field-foot {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--faint);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--faint);
}
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.btn-primary {
  appearance: none;
  height: 46px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--brand-grad);
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-brand);
  transition: filter 0.16s, transform 0.16s;
}
.btn-primary:hover { filter: brightness(1.05); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

/* ---------- 提示 ---------- */
.flash {
  margin: 0 0 16px;
  padding: 11px 13px;
  border: 1px solid var(--brand-line);
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-size: 13px;
  line-height: 1.7;
}
.flash-error {
  border-color: #fbd5d5;
  background: var(--danger-soft);
  color: var(--danger);
}

/* ---------- 已公开 ---------- */
.wall { margin: 0; padding: 0; list-style: none; }
.wall-item {
  padding: 18px 0 20px;
  border-bottom: 1px solid #eef1f7;
}
.wall-item:first-child { padding-top: 0; }
.wall-item:last-child { border-bottom: 0; padding-bottom: 0; }
.wall-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 9px;
  font-size: 12px;
}
.wall-meta time {
  font-family: var(--mono);
  color: var(--faint);
}
.wall-meta .who {
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 500;
}
.wall-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-2);
  white-space: pre-wrap;
  word-break: break-word;
}
.empty {
  margin: 0;
  padding: 32px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--soft);
  font-size: 13px;
  text-align: center;
}

/* ---------- 翻页 ---------- */
.pager {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 13px;
}
.pager a,
.pager > span {
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text-2);
}
.pager a:hover { border-color: var(--brand-line); color: var(--brand); }
.pager .pager-now {
  border-color: transparent;
  background: transparent;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
}
.pager .off { color: var(--faint); background: var(--surface-2); }

/* ---------- 页脚 ---------- */
.site-foot {
  margin-top: 0;
  border-top: 1px solid var(--line);
  background: #fff;
}
.site-foot-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0 26px;
  font-size: 12px;
  color: var(--faint);
}
.site-foot a { color: var(--faint); }
.site-foot a:hover { color: var(--brand); }

/* ---------- 登录 ---------- */
.auth {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  min-height: 100svh;
  background: var(--bg);
}
.auth-visual {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 40px;
  padding: 44px clamp(32px, 5vw, 72px);
  color: #fff;
  background:
    radial-gradient(760px 420px at 82% 6%, rgba(255, 255, 255, 0.22), transparent 62%),
    linear-gradient(150deg, #1d4ed8 0%, #2563eb 46%, #3b82f6 100%);
}
.auth-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(80% 70% at 50% 40%, #000 20%, transparent 100%);
  pointer-events: none;
}
.auth-visual .logo,
.auth-visual .logo:hover { color: #fff; }
.auth-visual .logo-mark {
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(4px);
}
.auth-visual .logo-text i { color: rgba(255, 255, 255, 0.66); }
.auth-copy { position: relative; max-width: 460px; }
.auth-copy h1 {
  margin: 0;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
}
.auth-copy p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}
.auth-list {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}
.auth-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
}
.auth-list .tick {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  font-size: 11px;
}
.auth-facts {
  position: relative;
  display: flex;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}
.auth-facts div { flex: 1; }
.auth-facts b {
  display: block;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.auth-facts span {
  display: block;
  margin-top: 4px;
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.68);
}
.auth-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px clamp(24px, 5vw, 64px);
}
.auth-card { width: 100%; max-width: 400px; }
.auth-card .back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--soft);
}
.auth-card .back:hover { color: var(--brand); }
.auth-card h2 {
  margin: 26px 0 0;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.025em;
}
.auth-card .sub {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--soft);
}
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}
.auth-form .flash { margin: 0; }
.auth-hint {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.8;
  color: var(--faint);
}

/* ---------- 后台 ---------- */
.admin-bar {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.admin-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1200px, calc(100% - 80px));
  height: 64px;
  margin: 0 auto;
}
.admin-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.admin-brand:hover { color: var(--ink); }
.admin-brand .logo-mark { width: 30px; height: 30px; border-radius: 9px; }
.admin-brand .logo-mark svg { width: 16px; height: 16px; }
.admin-brand b { font-size: 14px; font-weight: 650; }
.admin-brand span {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--faint);
}
.admin-user {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--soft);
}
.admin-user form { margin: 0; }
.linklike {
  padding: 0;
  border: 0;
  background: none;
  color: var(--brand);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.linklike:hover { color: var(--brand-strong); }

.admin-head { padding: 40px 0 0; }
.admin-head .eyebrow {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
}
.admin-head h1 {
  margin: 8px 0 0;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.025em;
}
.admin-head p {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--soft);
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0 0;
}
.stat-card dt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--soft);
}
.stat-card dd {
  margin: 10px 0 0;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.tabs {
  display: flex;
  gap: 4px;
  margin-top: 24px;
  border-bottom: 1px solid var(--line);
}
.tabs a {
  position: relative;
  padding: 10px 12px 12px;
  font-size: 13px;
  color: var(--soft);
}
.tabs a:hover { color: var(--brand); }
.tabs a.active { color: var(--brand); font-weight: 600; }
.tabs a.active::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--brand);
}
.tabs .n {
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
}
.tabs a.active .n { background: var(--brand-soft); color: var(--brand); }

.admin-flash { margin: 20px 0 0; }

.review-card {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.review {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 24px;
  padding: 20px 22px;
  border-bottom: 1px solid #eef1f7;
}
.review:last-child { border-bottom: 0; }
.review-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 9px;
  font-size: 12px;
  color: var(--faint);
}
.review-meta .id { font-family: var(--mono); color: var(--text-2); }
.review-meta time { font-family: var(--mono); }
.review-meta .contact { color: var(--text-2); }
.review-meta .ip { font-family: var(--mono); }
.review-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-2);
  white-space: pre-wrap;
  word-break: break-word;
}

.badge {
  padding: 1px 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
}
.badge-pending { background: var(--warn-soft); border-color: #ffe3b3; color: var(--warn); }
.badge-approved { background: var(--ok-soft); border-color: #c8f0d6; color: var(--ok); }
.badge-rejected { background: #f1f5f9; border-color: var(--line); color: var(--soft); }

.review-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.review-actions form { margin: 0; }

.btn-sm {
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-2);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.btn-sm:hover { border-color: var(--brand-line); color: var(--brand); }
.btn-sm.btn-ok {
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.18);
}
.btn-sm.btn-ok:hover { background: var(--brand-strong); border-color: var(--brand-strong); }
.btn-sm.btn-del { border-color: #fbd5d5; color: var(--danger); }
.btn-sm.btn-del:hover { background: var(--danger-soft); }

.admin-empty { margin-top: 20px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .wrap { width: min(1200px, calc(100% - 48px)); }
  .admin-bar-inner { width: min(1200px, calc(100% - 48px)); }
  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 28px;
    padding: 44px 0 40px;
  }
  .hero h1 { font-size: 42px; }
  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 460px; }
  .layout { grid-template-columns: 1fr; gap: 20px; padding: 28px 0 56px; }
  .auth { grid-template-columns: 1fr; }
  .auth-visual { display: none; }
}

@media (max-width: 720px) {
  .wrap { width: calc(100% - 40px); }
  .admin-bar-inner { width: calc(100% - 40px); }
  .logo-text i { display: none; }
  .topnav { gap: 2px; }
  .topnav a { padding: 7px 9px; }
  .hero { padding: 36px 0 32px; }
  .hero h1 { font-size: 34px; }
  .hero-stats { max-width: none; gap: 10px; }
  .stat-card { padding: 14px 16px; }
  .stat-card dd { font-size: 24px; }
  .panel { padding: 18px; }
  .field-row { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: 1fr 1fr; gap: 10px; }
  .admin-head { padding-top: 28px; }
  .admin-head h1 { font-size: 22px; }
  .tabs { overflow-x: auto; }
  .review { grid-template-columns: 1fr; gap: 12px; padding: 16px 18px; }
  .review-actions { gap: 6px; }
  .btn-sm { padding: 0 11px; }
  .site-foot-in { flex-direction: column; align-items: flex-start; gap: 6px; }
  .auth-panel { padding: 32px 20px 40px; }
}