/* ===== 白色简约风 UI ===== */
:root {
  --neon: #ff6900;
  --neon-2: #ff8c1a;
  --neon-3: #ff5500;
  --accent: #ff6900;
  --accent-glow: rgba(255, 105, 0, .25);
  --success: #00c853;
  --danger: #ff4757;
  --warn: #ffa502;
  --text: #1a1a1a;
  --text-2: #555;
  --text-3: #999;
  --bg: #f5f5f5;
  --bg-2: #ffffff;
  --card: rgba(255, 255, 255, .85);
  --card-solid: #ffffff;
  --border: rgba(0, 0, 0, .08);
  --border-hover: rgba(255, 105, 0, .35);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, .06);
  --glow: 0 0 20px rgba(255, 105, 0, .06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  min-height: 100vh;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { border: 0; cursor: pointer; background: none; }
.hidden { display: none !important; }

/* ===== 动态背景 ===== */
.nf-page {
  min-height: 100vh;
  position: relative;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.watermark { display: none; }
.bg-blobs {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .12;
  animation: floatBlob 18s ease-in-out infinite;
}
.blob1 { width: 500px; height: 500px; background: #ff6900; top: -100px; left: -100px; animation-delay: 0s; }
.blob2 { width: 400px; height: 400px; background: #ff8c1a; bottom: -80px; right: -80px; animation-delay: -6s; }
.blob3 { width: 300px; height: 300px; background: #ff5500; top: 40%; left: 50%; animation-delay: -12s; }
@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.1); }
  66% { transform: translate(-30px, 40px) scale(.95); }
}

/* 网格背景 */
.nf-page::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 0, 0, .02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, .02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.page {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1000px;
  padding: 40px 20px;
}
.layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 24px;
  align-items: stretch;
}

/* ===== 品牌区 ===== */
.brand-side { display: flex; flex-direction: column; gap: 16px; }
.brand-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}
.brand-main-card {
  padding: 32px 28px;
  border-radius: var(--radius);
  background: var(--card-solid);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.brand-main-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon), var(--neon-2), transparent);
}
.nf-mark {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--neon), var(--neon-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
  box-shadow: 0 4px 20px rgba(255, 105, 0, .2);
}
.brand-copy h1 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.brand-copy h1 span {
  background: linear-gradient(135deg, var(--neon), var(--neon-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand-copy p {
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.8;
}
.ref-status-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.ref-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 20px;
  background: #f5f5f5;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 12px;
}
.ref-pill i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text-3);
}
.ref-pill.online i {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

/* 服务展示 */
.service-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.show-card {
  padding: 18px 12px;
  border-radius: var(--radius-sm);
  background: var(--card-solid);
  border: 1px solid var(--border);
  text-align: center;
  transition: all .3s;
  cursor: default;
}
.show-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(255, 105, 0, .08);
}
.show-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 10px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.show-card.fdl .show-icon { background: rgba(255, 105, 0, .10); color: var(--neon); }
.show-card.v6 .show-icon { background: rgba(255, 140, 26, .10); color: var(--neon-2); }
.show-card.frp .show-icon { background: rgba(255, 85, 0, .10); color: var(--neon-3); }
.show-card strong { display: block; font-size: 15px; color: var(--text); }
.show-card span { display: block; font-size: 11px; color: var(--text-3); margin: 3px 0; }
.show-card em { font-size: 11px; color: var(--accent); font-style: normal; }

/* 用户信息面板 */
.user-info-panel {
  padding: 18px;
  border-radius: var(--radius);
  background: var(--card-solid);
  border: 1px solid var(--border);
}
.ui-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 14px;
}
.ui-row span { color: var(--text-3); }
.ui-row b { font-weight: 600; color: var(--text); }
.ui-row b.points { color: var(--accent); }
.user-info-panel .btn { margin-top: 12px; width: 100%; }

/* ===== 主内容区 ===== */
.main-side { display: flex; flex-direction: column; gap: 14px; }

/* ===== 卡片 ===== */
.card {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: var(--card-solid);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  animation: cardIn .4s ease both;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.card-head h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}
.badge {
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(255, 105, 0, .08);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
}

/* ===== Tab ===== */
.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  padding: 10px 18px;
  color: var(--text-3);
  font-size: 14px;
  font-weight: 500;
  position: relative;
  transition: color .2s;
}
.tab-btn:hover { color: var(--text-2); }
.tab-btn.active { color: var(--accent); }
.tab-btn.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* ===== 表单 ===== */
.form-group { display: none; flex-direction: column; gap: 16px; }
.form-group.active { display: flex; }
.field label {
  display: block;
  margin-bottom: 7px;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
}
.required { color: var(--danger); }
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  background: #f9f9f9;
  color: var(--text);
  font-size: 14px;
  transition: all .2s;
}
input::placeholder, textarea::placeholder { color: var(--text-3); }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 105, 0, .10);
  background: #fff;
}
textarea { min-height: 100px; resize: vertical; font-family: "SF Mono", "Cascadia Code", monospace; font-size: 13px; }
.hint {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: #f5f5f5;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.7;
}

/* ===== 服务选择 ===== */
.service-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.service-card { position: relative; cursor: pointer; }
.service-card input { position: absolute; opacity: 0; }
.service-card span {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #f9f9f9;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  transition: all .2s;
}
.service-card b { font-size: 22px; }
.service-card small { color: var(--text-3); font-size: 11px; }
.service-card:hover span { border-color: var(--border-hover); }
.service-card input:checked + span {
  border-color: var(--accent);
  background: rgba(255, 105, 0, .05);
  color: var(--accent);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 46px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: all .25s;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--neon), var(--neon-2));
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 105, 0, .20);
}
.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(255, 105, 0, .30);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: #f5f5f5;
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: #eee;
  color: var(--text);
  border-color: var(--border-hover);
}
.btn-danger {
  background: linear-gradient(135deg, var(--danger), #c0392b);
  color: #fff;
}
.btn-danger:hover { box-shadow: 0 4px 16px rgba(255, 71, 87, .2); }
.btn.small { padding: 7px 14px; font-size: 12px; min-height: 34px; }
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ===== 切换链接 ===== */
.switch-line {
  margin-top: 14px;
  color: var(--text-3);
  font-size: 13px;
  text-align: center;
}
.switch-line button { color: var(--accent); font-weight: 600; }
.switch-line button:hover { text-decoration: underline; }
.msg {
  display: block;
  min-height: 20px;
  margin-top: 8px;
  font-size: 13px;
  color: var(--danger);
}

/* ===== 滑块验证 ===== */
.slider-verify {
  position: relative;
  width: 100%;
  height: 44px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #f0f0f0;
  user-select: none;
  touch-action: none;
}
.slider-track { position: absolute; inset: 0; }
.slider-progress {
  position: absolute;
  left: 0; top: 0;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, rgba(255, 105, 0, .06), rgba(255, 105, 0, .12));
  pointer-events: none;
  transition: width .3s;
}
.slider-thumb {
  position: absolute;
  left: 0; top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--neon), var(--neon-2));
  color: #fff;
  font-size: 16px;
  box-shadow: 0 2px 12px rgba(255, 105, 0, .25);
  cursor: grab;
  transition: left .3s;
  touch-action: none;
}
.slider-thumb:active, .slider-thumb.dragging { cursor: grabbing; transition: none; }
.slider-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 13px;
  pointer-events: none;
}
.slider-verify.passed { border-color: var(--success); }
.slider-verify.passed .slider-thumb { background: linear-gradient(135deg, var(--success), #00b894); }
.slider-verify.passed .slider-text { color: var(--success); }
.slider-verify.verifying .slider-thumb { background: linear-gradient(135deg, var(--neon-2), var(--neon-3)); }

/* ===== 结果区 ===== */
.result-area {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #f9f9f9;
}
.result-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.result-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(0, 200, 83, .10);
  color: var(--success);
  font-size: 13px;
}
.result-text {
  margin: 0;
  padding: 14px;
  max-height: 300px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text);
  font-size: 13px;
  line-height: 1.7;
  font-family: "SF Mono", "Cascadia Code", monospace;
}
.copy-btn {
  padding: 6px 14px;
  border-radius: 8px;
  background: rgba(255, 105, 0, .06);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}
.copy-btn:hover { background: rgba(255, 105, 0, .12); }

/* ===== 功能卡片 ===== */
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.features.slim { margin-top: 0; }
.feature-card {
  padding: 18px;
  border-radius: var(--radius);
  background: var(--card-solid);
  border: 1px solid var(--border);
  transition: all .3s;
}
.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 105, 0, .08);
}
.ft-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 10px;
  border-radius: 10px;
  background: rgba(255, 105, 0, .08);
  font-size: 20px;
}
.ft-title { font-size: 14px; font-weight: 600; color: var(--text); }
.ft-text { margin-top: 4px; color: var(--text-3); font-size: 12px; }

/* ===== 后台管理 ===== */
.admin-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 230px 1fr;
  background: var(--bg);
  position: relative;
}
.admin-page::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 0, 0, .015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, .015) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.admin-side {
  padding: 22px 14px;
  background: #fff;
  border-right: 1px solid var(--border);
  position: relative;
  z-index: 1;
  overflow-y: auto;
  max-height: 100vh;
}
.admin-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--neon), var(--neon-2));
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(255, 105, 0, .20);
}
.admin-logo strong { font-size: 15px; font-weight: 700; color: var(--text); display: block; }
.admin-logo span { font-size: 12px; color: var(--text-3); display: block; }

.admin-menu {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 20px;
}
.admin-menu button {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  text-align: left;
  font-size: 13px;
  font-weight: 500;
  transition: all .15s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.admin-menu button svg { flex-shrink: 0; opacity: .6; }
.admin-menu button:hover svg { opacity: 1; }
.admin-menu button:hover {
  background: #f5f5f5;
  color: var(--text);
}
.admin-menu button.active {
  background: rgba(255, 105, 0, .08);
  color: var(--accent);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--accent);
}

.admin-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.admin-actions .btn { width: 100%; font-size: 13px; }

.admin-main {
  padding: 28px;
  overflow-y: auto;
  position: relative;
  z-index: 1;
  max-height: 100vh;
}
.admin-card {
  max-width: 920px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
  position: relative;
  overflow: hidden;
  animation: cardIn .35s ease both;
}
.admin-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.admin-card .card-head h2 { color: var(--text); font-size: 18px; }

/* ===== 概览统计 ===== */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px;
  border-radius: var(--radius-sm);
  background: #f9f9f9;
  border: 1px solid var(--border);
  transition: all .2s;
}
.info-item:hover {
  border-color: var(--border-hover);
  box-shadow: 0 4px 16px rgba(255, 105, 0, .06);
}
.info-item .label { color: var(--text-3); font-size: 12px; }
.info-item .value {
  color: var(--text);
  font-size: 28px;
  font-weight: 800;
}
.info-item .value.points {
  color: var(--accent);
  font-size: 24px;
}

/* ===== 价格表 ===== */
.price-table-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 12px;
}
.price-card {
  padding: 20px 14px;
  border-radius: var(--radius);
  background: #f9f9f9;
  border: 1px solid var(--border);
  text-align: center;
  transition: all .25s;
}
.price-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 105, 0, .08);
}
.price-card .pc-icon { margin-bottom: 8px; display: flex; justify-content: center; color: var(--accent); }
.price-card .pc-name { font-size: 15px; font-weight: 700; color: var(--text); }
.price-card .pc-desc { font-size: 12px; color: var(--text-3); margin: 4px 0 10px; }
.price-card .pc-price { display: flex; align-items: baseline; justify-content: center; gap: 3px; }
.price-card .pc-price .num {
  color: var(--accent);
  font-size: 28px;
  font-weight: 800;
}
.price-card .pc-price .unit { color: var(--text-3); font-size: 12px; }
.price-card .pc-tag {
  display: inline-block;
  margin-top: 6px;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.price-card .pc-tag.free { background: rgba(0, 200, 83, .10); color: var(--success); }
.price-card .pc-tag.paid { background: rgba(255, 105, 0, .10); color: var(--accent); }

/* ===== 工具条 ===== */
.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
}
.admin-toolbar label {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--text-2);
  font-size: 13px;
}
.admin-toolbar input, .admin-toolbar select {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #f9f9f9;
  color: var(--text);
  font-size: 13px;
  outline: none;
}
.admin-toolbar input:focus, .admin-toolbar select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(255, 105, 0, .10);
}

/* ===== 表格 ===== */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.admin-table th {
  padding: 12px 14px;
  text-align: left;
  background: #f5f5f5;
  color: var(--text-3);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(0, 0, 0, .05);
  color: var(--text);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255, 105, 0, .02); }
.admin-table code {
  background: rgba(255, 105, 0, .06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--accent);
  word-break: break-all;
}
.admin-table .points {
  color: var(--accent);
  font-weight: 700;
}

/* ===== 标签 ===== */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.tag.ok { background: rgba(0, 200, 83, .10); color: var(--success); }
.tag.bad { background: rgba(255, 71, 87, .10); color: var(--danger); }

/* ===== 卡密生成 ===== */
.gen-result { margin-bottom: 14px; }
.gen-ok {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(0, 200, 83, .08);
  border: 1px solid rgba(0, 200, 83, .2);
  color: var(--success);
  font-weight: 600;
  margin-bottom: 8px;
}
.gen-result textarea {
  width: 100%;
  min-height: 80px;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-family: "SF Mono", monospace;
  font-size: 12px;
  background: #f9f9f9;
  color: var(--text);
  margin-bottom: 8px;
}

/* ===== 价格设置 ===== */
.price-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.price-item {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: #f9f9f9;
  border: 1px solid var(--border);
}
.price-item span { font-size: 14px; font-weight: 600; color: var(--text); }
.price-item input {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}
.price-item input:focus { border-color: var(--accent); }
.price-grid .btn { grid-column: 1 / -1; }

/* ===== 数据大屏 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.feature-tile {
  padding: 18px;
  border-radius: var(--radius);
  background: #f9f9f9;
  border: 1px solid var(--border);
  transition: all .2s;
}
.feature-tile:hover { border-color: var(--border-hover); }
.feature-tile span { display: block; color: var(--text-3); font-size: 12px; }
.feature-tile strong {
  display: block;
  margin-top: 6px;
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
}
.feature-tile em { display: block; margin-top: 4px; color: var(--text-3); font-size: 12px; font-style: normal; }
.feature-tile.orange strong { color: var(--warn); }
.feature-tile.green strong { color: var(--success); }
.feature-tile.blue strong { color: var(--accent); }
.feature-tile.red strong { color: var(--danger); }

.chart-preview {
  height: 180px;
  display: flex;
  align-items: end;
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius);
  background: #f9f9f9;
  border: 1px solid var(--border);
}
.chart-bar {
  flex: 1;
  border-radius: 6px 6px 3px 3px;
  background: linear-gradient(180deg, var(--neon), rgba(255, 105, 0, .2));
  opacity: .8;
  transition: opacity .2s;
}
.chart-bar:hover { opacity: 1; }

/* ===== 排行/日志/公告 ===== */
.rank-list, .timeline-list { display: grid; gap: 8px; }
.rank-item, .timeline-list div, .notice-preview {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: #f9f9f9;
  border: 1px solid var(--border);
  transition: all .2s;
}
.rank-item:hover, .timeline-list div:hover, .notice-preview:hover {
  border-color: var(--border-hover);
}
.rank-item {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 10px;
}
.rank-item b {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #f0f0f0;
  color: var(--text-3);
  font-size: 13px;
}
.rank-item.top b {
  background: linear-gradient(135deg, var(--neon), var(--neon-2));
  color: #fff;
  box-shadow: 0 2px 12px rgba(255, 105, 0, .20);
}
.rank-item span { font-weight: 600; color: var(--text); }
.rank-item em { color: var(--accent); font-size: 13px; font-style: normal; font-weight: 700; }
.notice-preview strong { display: block; color: var(--text); margin-bottom: 4px; }
.notice-preview p { color: var(--text-2); margin: 0; }
.timeline-list div { display: grid; gap: 3px; }
.timeline-list b { color: var(--text); font-size: 14px; }
.timeline-list span { color: var(--text-3); font-size: 13px; }

/* ===== 主题/接口状态 ===== */
.theme-grid, .api-status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.theme-card, .api-status-grid > div {
  padding: 18px;
  border-radius: var(--radius);
  background: #f9f9f9;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all .25s;
}
.theme-card:hover, .api-status-grid > div:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}
.theme-card.active {
  border-color: var(--accent);
  background: rgba(255, 105, 0, .05);
  box-shadow: 0 0 16px rgba(255, 105, 0, .08);
}
.theme-card i {
  display: block;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 10px;
}
.theme-card strong, .api-status-grid strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin: 6px 0 2px;
}
.theme-card span, .api-status-grid em {
  color: var(--text-3);
  font-size: 12px;
  font-style: normal;
}

/* ===== 风控/模板/维护/密钥 ===== */
.risk-rules, .template-list { display: grid; gap: 8px; }
.risk-rules label, .template-list div, .maintenance-card, .key-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: #f9f9f9;
  border: 1px solid var(--border);
}
.risk-rules label { justify-content: flex-start; color: var(--text); font-weight: 500; gap: 8px; }
.risk-rules input { width: auto; accent-color: var(--accent); }
.key-box code {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(255, 105, 0, .05);
  color: var(--accent);
  word-break: break-all;
  font-size: 13px;
}
.template-list div { display: block; }
.template-list strong, .maintenance-card strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 4px;
}
.template-list p, .maintenance-card p { margin: 0; color: var(--text-3); font-size: 13px; }
.maintenance-card { margin-bottom: 12px; }
.maintenance-card input {
  margin-top: 8px;
  background: #f9f9f9;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, .12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 0, 0, .2); }

/* ===== 移动端 ===== */
@media (max-width: 880px) {
  .layout { grid-template-columns: 1fr; }
  .brand-side { display: flex; }
  .brand-main-card { padding: 24px 20px; }
  .service-showcase { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .page { padding: 20px 14px; }
  .features { grid-template-columns: 1fr; }
  .admin-page { grid-template-columns: 60px 1fr; }
  .admin-side { padding: 14px 6px; }
  .admin-logo { flex-direction: column; gap: 4px; text-align: center; }
  .brand-logo { width: 36px; height: 36px; font-size: 15px; }
  .admin-logo strong { font-size: 11px; }
  .admin-logo span { display: none; }
  .admin-menu button { padding: 8px 4px; text-align: center; font-size: 10px; line-height: 1.2; }
  .admin-actions { gap: 4px; }
  .admin-actions .btn { padding: 6px 4px; font-size: 10px; min-height: auto; }
  .admin-main { padding: 14px 10px; max-height: none; }
  .admin-card { padding: 16px 12px; }
  .admin-grid, .price-table-grid, .feature-grid, .theme-grid, .api-status-grid { grid-template-columns: 1fr 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .table-wrap { max-width: calc(100vw - 80px); }
}
@media (max-width: 480px) {
  .admin-grid, .price-table-grid, .feature-grid, .theme-grid, .api-status-grid { grid-template-columns: 1fr; }
  .admin-page { grid-template-columns: 50px 1fr; }
  .table-wrap { max-width: calc(100vw - 70px); }
}