/* ============================================================
   铭创传媒 · 语音厅公会
   设计系统 / 全局样式
   ------------------------------------------------------------
   色板：深蓝黑底 + 金色主色 + 青色点缀
   风格：传媒质感的克制深色，不追求喧闹
   ============================================================ */

/* ---------- 变量 ---------- */
:root {
  --bg:        #080B12;
  --bg-soft:   #0C111B;
  --bg-alt:    #0E1420;
  --panel:     #121A28;
  --panel-2:   #17202F;
  --line:      rgba(255, 255, 255, 0.07);
  --line-2:    rgba(255, 255, 255, 0.12);

  --text:      #EDF0F7;
  --text-2:    #B9C1D2;
  --muted:     #838FA6;

  --gold:      #E4B363;
  --gold-2:    #F6D79B;
  --gold-dim:  rgba(228, 179, 99, 0.14);
  --cyan:      #4FD1C5;
  --cyan-dim:  rgba(79, 209, 197, 0.12);
  --violet:    #8B7CF6;
  --green:     #43D19E;
  --red:       #FF6B6B;
  --orange:    #F0A04B;

  --radius:    14px;
  --radius-sm: 10px;
  --radius-lg: 22px;

  --shadow:    0 24px 60px -24px rgba(0, 0, 0, 0.9);
  --shadow-sm: 0 8px 24px -12px rgba(0, 0, 0, 0.8);

  --maxw: 1180px;
  --gutter: 24px;

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

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4 { margin: 0; line-height: 1.25; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; transition: color .2s; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--gold); color: #1a1205; }

/* 键盘焦点可见（无障碍） */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 6px;
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- 通用文字 ---------- */
.eyebrow {
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 14px;
}
.hl { color: var(--gold); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all .22s ease;
  white-space: nowrap;
}
.btn span { transition: transform .22s; }
.btn:hover span { transform: translateX(3px); }

.btn-primary {
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  color: #171102;
  box-shadow: 0 10px 30px -12px rgba(228, 179, 99, .6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -14px rgba(228, 179, 99, .75); }

.btn-ghost {
  background: rgba(255, 255, 255, .03);
  border-color: var(--line-2);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .07); border-color: var(--muted); }

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-block { width: 100%; }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 11, 18, .82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.logo-mark {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  color: #1a1205;
  font-weight: 800;
  font-size: 18px;
  font-family: var(--font);
}
.logo-text {
  font-size: 16px; font-weight: 700; letter-spacing: .02em;
  display: flex; flex-direction: column; line-height: 1.2;
}
.logo-text em {
  font-style: normal; font-size: 10px; font-weight: 500;
  color: var(--muted); letter-spacing: .18em;
}
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a {
  font-size: 14px; color: var(--text-2); position: relative; padding: 4px 0;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px; border-radius: 2px;
  background: var(--gold); transition: width .25s;
}
.nav a:hover, .nav a.active { color: var(--text); }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.header-cta { margin-left: 8px; }

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--line-2);
  border-radius: 8px; padding: 7px 10px; color: var(--text);
  margin-left: auto;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 88px 0 72px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -320px; right: -180px;
  width: 760px; height: 760px;
  background: radial-gradient(circle, rgba(228,179,99,.16), transparent 62%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -420px; left: -220px;
  width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(79,209,197,.10), transparent 65%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 4.6vw, 58px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.16;
  margin-bottom: 22px;
}
.lead {
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.9;
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-actions.center { justify-content: center; }

/* 数据卡 */
.hero-card {
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(228,179,99,.10), transparent 45%);
  pointer-events: none;
}
.hero-card-title {
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 18px;
}
.stat-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stat-list li { display: flex; flex-direction: column; gap: 2px; }
.stat-list strong {
  font-size: clamp(22px, 2.2vw, 28px); font-weight: 700; letter-spacing: -0.02em;
  color: var(--gold-2); font-variant-numeric: tabular-nums;
}
.stat-list strong span { font-size: 15px; margin-left: 1px; }
.stat-list small { font-size: 11.5px; color: var(--muted); line-height: 1.5; }
.hero-card-note {
  margin-top: 22px; padding-top: 16px;
  border-top: 1px dashed var(--line-2);
  font-size: 11px; color: var(--muted); line-height: 1.6;
}

/* ---------- 信任条 ---------- */
.trust { padding: 26px 0; border-bottom: 1px solid var(--line); }
.trust-label {
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 14px; text-align: center;
}
.trust-row {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
}
.trust-badge {
  font-size: 12px; color: var(--muted);
  border: 1px dashed var(--line-2);
  border-radius: 8px;
  padding: 9px 20px;
  background: rgba(255,255,255,.015);
}

/* ---------- 区块 ---------- */
.section { padding: 88px 0; }
.section-dark { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 660px; margin-bottom: 48px; }
.section-head h2 {
  font-size: clamp(26px, 3vw, 38px);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-sub { color: var(--text-2); font-size: 15px; line-height: 1.9; }

/* ---------- 关于 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.media-placeholder {
  aspect-ratio: 4 / 3;
  border: 1px dashed var(--line-2);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.018) 0 12px, transparent 12px 24px),
    var(--panel);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px; text-align: center; padding: 24px;
}
.media-placeholder span { font-size: 14px; color: var(--text-2); }
.media-placeholder small { font-size: 11px; color: var(--muted); }

/* ---------- 图片位（支持后补：文件没到就显示提示，文件一到自动生效） ----------
   用法：
   <figure class="media-slot" style="--ar:4/3">
     <img src="assets/img/xxx.jpg" alt="..." onload="..." onerror="...">
     <div class="media-hint"><span>【提示文字】</span><small>建议规格</small></div>
   </figure>
------------------------------------------------------------------ */
.media-slot {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px dashed var(--line-2);
  aspect-ratio: var(--ar, 4 / 3);
  background:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, .018) 0 12px, transparent 12px 24px),
    var(--panel);
  margin: 0;
}
.media-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-slot.has-img { border-style: solid; border-color: var(--line); }
.media-slot .media-hint {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  padding: 22px;
  pointer-events: none;
}
.media-slot .media-hint span { font-size: 13.5px; color: var(--text-2); line-height: 1.6; }
.media-slot .media-hint small { font-size: 11px; color: var(--muted); line-height: 1.6; }
.media-slot.has-img .media-hint { display: none; }
.media-slot.is-empty { border-color: rgba(240, 160, 75, .3); }
.media-slot.is-empty img { display: none; }
.media-slot.is-empty .media-hint span { color: var(--orange); }

.about-list { display: grid; gap: 26px; }
.about-item h3 {
  font-size: 16px; margin-bottom: 7px;
  display: flex; align-items: center; gap: 9px;
}
.about-item h3::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0;
}
.about-item p { color: var(--muted); font-size: 14px; line-height: 1.85; }

/* ---------- 卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex; flex-direction: column;
  transition: all .25s ease;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(228,179,99,.07), transparent 50%);
  opacity: 0; transition: opacity .25s; pointer-events: none;
}
.card:hover { border-color: rgba(228,179,99,.3); transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.card:hover::after { opacity: 1; }
.card-step {
  font-family: var(--mono);
  font-size: 12px; color: var(--gold);
  margin-bottom: 18px; letter-spacing: .1em;
}
.card h3 { font-size: 19px; margin-bottom: 8px; }
.card-desc { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.card-list { display: grid; gap: 10px; margin-bottom: 24px; flex: 1; }
.card-list li {
  font-size: 13.5px; color: var(--text-2);
  padding-left: 18px; position: relative; line-height: 1.6;
}
.card-list li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; border-radius: 2px;
  border: 1px solid rgba(228,179,99,.5);
}
.card-link { font-size: 13px; color: var(--gold); font-weight: 600; }

/* ---------- 案例 ---------- */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .25s;
}
.case:hover { border-color: var(--line-2); transform: translateY(-3px); }
.case-media {
  aspect-ratio: 16 / 10;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.02) 0 10px, transparent 10px 20px),
    linear-gradient(160deg, #161F30, #0D131E);
  display: grid; place-items: center;
  border-bottom: 1px solid var(--line);
}
.case-media span { font-size: 12px; color: var(--muted); }
.case-body { padding: 22px; }
.case-body h3 { font-size: 15px; margin-bottom: 8px; }
.case-body p { font-size: 13px; color: var(--muted); line-height: 1.8; margin-bottom: 16px; }
.tag {
  display: inline-block;
  font-size: 11px; padding: 3px 10px; border-radius: 999px;
  background: var(--gold-dim); color: var(--gold);
  border: 1px solid rgba(228,179,99,.25);
}

/* ---------- 合规块 ---------- */
.compliance {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center;
}
.compliance-copy h2 { font-size: clamp(24px, 2.8vw, 34px); margin-bottom: 16px; }
.compliance-copy p { color: var(--text-2); font-size: 14.5px; line-height: 1.9; margin-bottom: 26px; }
.compliance-list { display: grid; gap: 2px; }
.compliance-list li {
  display: grid; grid-template-columns: 96px 1fr; gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
}
.compliance-list li:first-child { border-top: 1px solid var(--line); }
.compliance-list strong { color: var(--gold); font-weight: 600; letter-spacing: .02em; }
.compliance-list span { color: var(--muted); }

/* ---------- CTA ---------- */
.cta-section { text-align: center; padding: 96px 0; }
.cta-inner h2 { font-size: clamp(26px, 3.2vw, 40px); margin-bottom: 16px; letter-spacing: -0.02em; }
.cta-inner p { color: var(--muted); font-size: 15px; margin-bottom: 34px; }

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding-top: 56px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.4fr;
  gap: 36px;
  padding-bottom: 48px;
}
.footer-brand { display: flex; gap: 12px; align-items: flex-start; }
.footer-brand strong { font-size: 15px; display: block; margin-bottom: 6px; }
.footer-brand p { font-size: 12px; color: var(--muted); line-height: 1.7; }
.footer-col h4 {
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 14px; font-weight: 600;
}
.footer-col a, .footer-col p {
  display: block; font-size: 13px; color: var(--text-2); line-height: 2;
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 20px 0 28px;
  border-top: 1px solid var(--line);
  font-size: 11.5px; color: var(--muted);
}

/* ---------- 公告条 ---------- */
.notice {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
  padding: 15px 20px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(228, 179, 99, .13), rgba(228, 179, 99, .03));
  border: 1px solid rgba(228, 179, 99, .3);
  font-size: 13.5px;
  color: var(--gold-2);
  line-height: 1.6;
}
.notice strong { color: var(--gold); font-weight: 600; }
.notice .pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0;
  box-shadow: 0 0 0 0 rgba(228, 179, 99, .7);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(228, 179, 99, .55); }
  70%  { box-shadow: 0 0 0 9px rgba(228, 179, 99, 0); }
  100% { box-shadow: 0 0 0 0 rgba(228, 179, 99, 0); }
}
.notice .spacer { flex: 1; }

/* 可复制的微信号 */
.wx-copy {
  color: var(--gold);
  cursor: pointer;
  border-bottom: 1px dashed rgba(228, 179, 99, .45);
  transition: color .18s, border-color .18s;
  user-select: all;
}
.wx-copy:hover { color: var(--gold-2); border-bottom-color: var(--gold); }
.wx-copy.done { color: var(--green); border-bottom-color: rgba(67, 209, 158, .5); }

/* ---------- 页面头部 ---------- */
.page-head {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.page-head::before {
  content: ""; position: absolute; top: -260px; right: -120px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(228,179,99,.10), transparent 65%);
  pointer-events: none;
}
.page-head h1 { font-size: clamp(28px, 3.6vw, 44px); margin-bottom: 14px; letter-spacing: -0.02em; }
.page-head p { color: var(--muted); font-size: 15px; max-width: 620px; line-height: 1.9; }

/* ---------- 徽章 / 标签 ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 600;
  padding: 3px 9px; border-radius: 6px;
  border: 1px solid;
  white-space: nowrap;
}
.badge-l0 { color: #9AA5B8; border-color: rgba(154,165,184,.3); background: rgba(154,165,184,.08); }
.badge-l1 { color: var(--cyan); border-color: rgba(79,209,197,.3); background: var(--cyan-dim); }
.badge-l2 { color: var(--violet); border-color: rgba(139,124,246,.3); background: rgba(139,124,246,.1); }
.badge-l3 { color: var(--orange); border-color: rgba(240,160,75,.3); background: rgba(240,160,75,.1); }
.badge-l4 { color: var(--red); border-color: rgba(255,107,107,.3); background: rgba(255,107,107,.1); }

/* ---------- 培训页 ---------- */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 36px; }
.tab {
  padding: 9px 20px; border-radius: 999px; font-size: 13.5px;
  background: var(--panel); border: 1px solid var(--line);
  color: var(--text-2); transition: all .2s;
}
.tab.active { background: var(--gold); border-color: var(--gold); color: #171102; font-weight: 600; }
.tab:hover:not(.active) { border-color: var(--line-2); color: var(--text); }

.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
/* 四列变体：放在 .course-grid 之后，保证覆盖 3 列默认值 */
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.course {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
  transition: all .22s;
}
.course:hover { border-color: var(--line-2); transform: translateY(-2px); }
.course-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.course h3 { font-size: 15px; line-height: 1.5; }
.course-meta { font-size: 12px; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; }
.course-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; }

.progress {
  height: 5px; border-radius: 99px; background: rgba(255,255,255,.07);
  overflow: hidden;
}
.progress i {
  display: block; height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, var(--gold), var(--gold-2));
}

/* 锁定态 */
.locked {
  position: relative;
}
.locked .course-body-blur { filter: blur(5px); opacity: .45; pointer-events: none; user-select: none; }
.visitor-lock .course-body-blur { pointer-events: none; user-select: none; transition: filter .2s, opacity .2s; }
.lock-veil {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; text-align: center; padding: 20px;
  background: rgba(8,11,18,.55);
  backdrop-filter: blur(2px);
  border-radius: var(--radius);
}
.lock-veil svg { opacity: .8; }
.lock-veil p { font-size: 12.5px; color: var(--text-2); }
.lock-veil small { font-size: 11px; color: var(--muted); }

/* ---------- 权限矩阵表 ---------- */
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th {
  text-align: left; padding: 14px 18px;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
  background: rgba(255,255,255,.02);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
tbody td { padding: 14px 18px; border-bottom: 1px solid var(--line); color: var(--text-2); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,.02); }
td .ok { color: var(--green); font-weight: 600; }
td .no { color: rgba(255,255,255,.2); }
td .req { color: var(--orange); font-size: 12px; }

/* ---------- 招募页 ---------- */
.recruit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.recruit-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px;
}
.recruit-card.feature {
  border-color: rgba(228,179,99,.28);
  background: linear-gradient(160deg, rgba(228,179,99,.06), var(--panel) 55%);
}
.recruit-card h3 { font-size: 19px; margin-bottom: 10px; }
.recruit-card > p { font-size: 13.5px; color: var(--muted); line-height: 1.85; margin-bottom: 20px; }
.check-list { display: grid; gap: 10px; margin-bottom: 24px; }
.check-list li {
  font-size: 13.5px; color: var(--text-2); padding-left: 24px; position: relative; line-height: 1.6;
}
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--gold); font-size: 12px; font-weight: 700;
}

/* 表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; color: var(--text-2); }
.field label em { color: var(--red); font-style: normal; margin-left: 2px; }
.field input, .field select, .field textarea {
  background: var(--bg-soft);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: rgba(228,179,99,.55);
  box-shadow: 0 0 0 3px rgba(228,179,99,.1);
}
.field textarea { resize: vertical; min-height: 92px; }
.field input::placeholder, .field textarea::placeholder { color: rgba(255,255,255,.22); }
.field select option { background: var(--panel); color: var(--text); }

.form-note { font-size: 12px; color: var(--muted); line-height: 1.8; margin-top: 16px; }

/* ---------- 登录页 ---------- */
.auth-wrap {
  min-height: calc(100vh - 72px);
  display: grid; place-items: center;
  padding: 48px 24px;
  position: relative;
  overflow: hidden;
}
.auth-wrap::before {
  content: ""; position: absolute; top: -240px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(228,179,99,.10), transparent 62%);
  pointer-events: none;
}
.auth-card {
  position: relative;
  width: 100%; max-width: 420px;
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow);
}
.auth-card h1 { font-size: 24px; margin-bottom: 8px; }
.auth-card > p { font-size: 13.5px; color: var(--muted); margin-bottom: 30px; line-height: 1.7; }
.auth-form { display: grid; gap: 16px; }
.code-row { display: grid; grid-template-columns: 1fr 120px; gap: 10px; }
.auth-hint {
  margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line);
  font-size: 12px; color: var(--muted); line-height: 1.8;
}

/* ---------- 后台 ---------- */
body.admin-body { background: var(--bg); }
.admin-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 232px; flex-shrink: 0;
  background: var(--bg-soft);
  border-right: 1px solid var(--line);
  padding: 22px 14px;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.sidebar .logo { padding: 0 10px 22px; }
.side-nav { display: grid; gap: 3px; }
.side-nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border-radius: 9px;
  font-size: 13.5px; color: var(--text-2);
  transition: all .18s;
}
.side-nav a:hover { background: rgba(255,255,255,.04); color: var(--text); }
.side-nav a.active { background: var(--gold-dim); color: var(--gold); font-weight: 600; }
.side-nav .ico { width: 18px; text-align: center; opacity: .9; }
.side-nav .group {
  font-size: 10px; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255,255,255,.25); padding: 18px 12px 8px;
}
.sidebar-foot { margin-top: auto; padding: 14px 12px 0; border-top: 1px solid var(--line); }

.admin-main { flex: 1; min-width: 0; padding: 0 0 48px; }
.admin-top {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(8,11,18,.7);
  backdrop-filter: blur(14px);
  position: sticky; top: 0; z-index: 20;
}
.admin-top h1 { font-size: 17px; }
.admin-top .spacer { flex: 1; }
.role-switch {
  display: flex; align-items: center; gap: 8px;
  background: var(--panel); border: 1px solid var(--line-2);
  border-radius: 999px; padding: 4px 4px 4px 14px;
  font-size: 12px; color: var(--muted);
}
.role-switch select {
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--line-2); border-radius: 999px;
  padding: 6px 10px; font-size: 12.5px; font-family: inherit; outline: none;
}
.role-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; font-weight: 600; padding: 5px 12px; border-radius: 999px;
}
.role-L1 { background: var(--gold-dim); color: var(--gold); border: 1px solid rgba(228,179,99,.3); }
.role-L2 { background: rgba(139,124,246,.12); color: var(--violet); border: 1px solid rgba(139,124,246,.3); }
.role-L3 { background: var(--cyan-dim); color: var(--cyan); border: 1px solid rgba(79,209,197,.3); }
.role-L4 { background: rgba(255,255,255,.06); color: var(--text-2); border: 1px solid var(--line-2); }

.admin-body-inner { padding: 28px 32px 0; display: grid; gap: 24px; }

.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.kpi {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 22px;
}
.kpi-label { font-size: 11.5px; color: var(--muted); margin-bottom: 10px; letter-spacing: .04em; }
.kpi-value { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.kpi-value small { font-size: 12px; color: var(--muted); font-weight: 400; margin-left: 4px; }
.kpi-delta { font-size: 11.5px; margin-top: 6px; }
.kpi-delta.up { color: var(--green); }
.kpi-delta.down { color: var(--red); }
.kpi-delta.flat { color: var(--muted); }

.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 22px; border-bottom: 1px solid var(--line);
}
.panel-head h2 { font-size: 14.5px; }
.panel-head .spacer { flex: 1; }
.panel-body { padding: 4px 0; }

.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th {
  text-align: left; padding: 11px 22px;
  font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.admin-table td {
  padding: 13px 22px; border-bottom: 1px solid var(--line); color: var(--text-2);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,.018); }
.admin-table .name { color: var(--text); font-weight: 500; }
.admin-table .sub { display: block; font-size: 11px; color: var(--muted); margin-top: 2px; }

.status {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px;
}
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; }
.status.on { color: var(--green); }
.status.on::before { background: var(--green); }
.status.off { color: var(--muted); }
.status.off::before { background: var(--muted); }
.status.warn { color: var(--orange); }
.status.warn::before { background: var(--orange); }

.row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.mini-btn {
  font-size: 11.5px; padding: 4px 11px; border-radius: 7px;
  background: rgba(255,255,255,.04); border: 1px solid var(--line-2);
  color: var(--text-2); transition: all .18s;
}
.mini-btn:hover { background: rgba(255,255,255,.09); color: var(--text); }
.mini-btn.gold { color: var(--gold); border-color: rgba(228,179,99,.3); background: var(--gold-dim); }
.mini-btn.danger { color: var(--red); border-color: rgba(255,107,107,.28); background: rgba(255,107,107,.08); }

.deny-note {
  margin: 0 22px 18px; padding: 13px 16px;
  border-radius: 9px;
  background: rgba(255,107,107,.07);
  border: 1px solid rgba(255,107,107,.22);
  font-size: 12.5px; color: #FFA9A9; line-height: 1.7;
}
.hint-note {
  margin: 0 22px 18px; padding: 13px 16px;
  border-radius: 9px;
  background: rgba(228,179,99,.07);
  border: 1px solid rgba(228,179,99,.22);
  font-size: 12.5px; color: var(--gold-2); line-height: 1.7;
}

/* 权限说明小卡 */
.perm-map { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.perm-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
}
.perm-card.active { border-color: rgba(228,179,99,.35); background: linear-gradient(160deg, rgba(228,179,99,.07), var(--panel) 60%); }
.perm-card h4 { font-size: 13.5px; margin: 10px 0 6px; }
.perm-card p { font-size: 11.5px; color: var(--muted); line-height: 1.7; }
.perm-card .lv { font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { max-width: 460px; }
  .about-grid, .compliance { grid-template-columns: 1fr; gap: 36px; }
  .cards, .cases, .course-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .perm-map { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  :root { --gutter: 18px; }
  .site-header .nav { display: none; }
  .site-header .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    padding: 8px var(--gutter) 16px;
    gap: 0;
    background: #080B12;
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.9);
  }
  .site-header .nav.open a {
    padding: 13px 0;
    border-bottom: 1px solid var(--line);
  }
  .site-header .nav.open a:last-child { border-bottom: none; }
  .site-header .nav.open a::after { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: block; }
  .section { padding: 60px 0; }
  .hero { padding: 56px 0 48px; }
  .hero h1 { font-size: 32px; }
  .cards, .cases, .course-grid, .recruit-grid, .form-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .perm-map { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .stat-list { gap: 16px; }
  .section-head { margin-bottom: 32px; }
  .admin-shell { flex-direction: column; }
  .sidebar {
    width: 100%; height: auto; position: relative;
    flex-direction: row; overflow-x: auto; padding: 10px;
    border-right: none; border-bottom: 1px solid var(--line);
  }
  .sidebar .logo, .side-nav .group, .sidebar-foot { display: none; }
  .side-nav { display: flex; gap: 4px; }
  .side-nav a { white-space: nowrap; padding: 8px 12px; }
  .admin-top { padding: 14px 18px; flex-wrap: wrap; }
  .admin-body-inner { padding: 18px 18px 0; }
  .admin-table { font-size: 12px; }
  .admin-table th, .admin-table td { padding: 10px 14px; }
  .table-wrap { overflow-x: auto; }
  .compliance-list li { grid-template-columns: 1fr; gap: 4px; }
}

@media (max-width: 480px) {
  .stat-list { grid-template-columns: 1fr; gap: 12px; }
  .stat-list li { flex-direction: row; align-items: baseline; gap: 10px; }
  .stat-list small { font-size: 12.5px; }
}

/* ---------- 登录方式切换 ---------- */
.login-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 24px;
}
.login-tabs button {
  flex: 1;
  padding: 9px 8px;
  border-radius: 7px;
  font-size: 13.5px;
  color: var(--muted);
  background: none;
  border: none;
  transition: all .2s;
}
.login-tabs button.active {
  background: var(--panel-2);
  color: var(--text);
  font-weight: 600;
}
.login-tabs button:hover:not(.active) { color: var(--text-2); }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .72);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 200;
}
.modal-box {
  width: 100%;
  max-width: 480px;
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 26px;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
.modal-box h3 { font-size: 16px; margin-bottom: 18px; }
.modal-box .form-grid { gap: 14px; }
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 22px;
}
.form-error {
  color: #FFA9A9;
  font-size: 12.5px;
  margin-top: 10px;
  display: none;
}
.auth-error {
  color: #FFA9A9;
  font-size: 13px;
  background: rgba(255, 107, 107, .08);
  border: 1px solid rgba(255, 107, 107, .25);
  border-radius: 8px;
  padding: 10px 14px;
  line-height: 1.6;
}

/* 勾选列 */
.col-check { width: 36px; text-align: center; padding-left: 22px !important; padding-right: 0 !important; }
.col-check input { accent-color: var(--gold); width: 15px; height: 15px; cursor: pointer; }

/* ---------- 手机端后台：表格转卡片 ---------- */
@media (max-width: 768px) {
  .admin-table thead { display: none; }
  .admin-table,
  .admin-table tbody,
  .admin-table tr,
  .admin-table td { display: block; width: 100%; }

  .admin-table tr {
    border: 1px solid var(--line);
    border-radius: 10px;
    margin: 0 0 12px;
    padding: 12px 14px;
    background: var(--panel-2);
  }
  .admin-table tr:hover td { background: transparent; }

  .admin-table td {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    padding: 6px 0;
    border: none;
    font-size: 13px;
    text-align: right;
    line-height: 1.6;
  }
  .admin-table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 12px;
    text-align: left;
    flex-shrink: 0;
    padding-top: 1px;
  }
  .admin-table td:first-child {
    display: block;
    text-align: left;
    font-size: 14.5px;
    padding: 0 0 9px;
    margin-bottom: 4px;
    border-bottom: 1px dashed var(--line);
  }
  .admin-table td:first-child::before { display: none; }
  .admin-table td:last-child { padding-bottom: 0; }
  .admin-table .row-actions { flex-wrap: wrap; }
  .admin-table .name .sub { margin-top: 3px; }

  .panel-body { padding: 12px 0 0; }
  .panel { overflow: visible; }

  /* 顶部条在手机上收紧 */
  .admin-top { padding: 12px 16px; gap: 10px; }
  .admin-top h1 { font-size: 15px; }
  .admin-top #whoami { display: none; }
  .role-chip { font-size: 11px; padding: 4px 10px; }
  .admin-body-inner { padding: 16px 14px 0; }
  .panel-head { padding: 14px 16px; flex-wrap: wrap; gap: 8px; }
  .kpi-row { gap: 10px; }
  .kpi { padding: 16px 16px; }
  .kpi-value { font-size: 22px; }
}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}