/* ==========================================================================
   永久量化 前台 · 视觉升级主题（覆盖层）
   加载顺序：必须在 app-common-dark.css / 页面内联 <style> / React bundle CSS 之后
   只调整视觉，不改结构、不改 JS、不改类名
   ========================================================================== */

:root {
  /* 皮肤强调色（可被 data-theme 覆盖） */
  --fe-accent: #8b5cf6;
  --fe-accent-light: #a78bfa;
  --fe-accent-dark: #7c3aed;
  --fe-accent-soft: #9b6ff8;
  --fe-accent-pale: #ddd6fe;
  --fe-accent-2: #22d3ee;
  --fe-accent-rgb: 139, 92, 246;
  --fe-accent-2-rgb: 56, 189, 248;
  /* 品牌色：更亮一档的紫，兼顾深色底可读性 */
  --color-primary: var(--fe-accent);
  --color-primary-hover: var(--fe-accent-dark);
  --color-primary-light: var(--fe-accent-light);
  --color-primary-dark: #6d28d9;
  --color-primary-alpha-10: rgba(var(--fe-accent-rgb), 0.1);
  --color-primary-alpha-15: rgba(var(--fe-accent-rgb), 0.15);
  --color-primary-alpha-20: rgba(var(--fe-accent-rgb), 0.2);
  --color-primary-alpha-30: rgba(var(--fe-accent-rgb), 0.3);

  /* 层次：更深的底 + 更清晰的卡片分层 */
  --color-bg: #070815;
  --color-bg-secondary: #0c0f22;
  --color-bg-card: #11142b;
  --color-bg-card-hover: #171a36;
  --color-bg-input: #0b0e21;

  --color-text: #e6e8f5;
  --color-text-primary: #f5f6fc;
  --color-text-secondary: #9aa3bd;
  --color-text-muted: #6f7896;

  --color-border: rgba(148, 163, 184, 0.14);
  --color-border-light: rgba(148, 163, 184, 0.22);

  --color-navbar-bg: rgba(7, 8, 21, 0.82);
  --color-navbar-border: rgba(255, 255, 255, 0.06);
  --color-glow-primary: rgba(var(--fe-accent-rgb), 0.2);
  --color-glow-secondary: rgba(var(--fe-accent-2-rgb), 0.12);

  /* 本地补充 token */
  --fe-radius-lg: 20px;
  --fe-radius: 16px;
  --fe-radius-sm: 11px;
  --fe-shadow: 0 24px 50px -30px rgba(0, 0, 0, 0.9);
  --fe-shadow-hover: 0 30px 60px -28px rgba(var(--fe-accent-rgb), 0.45);
  --fe-ring: 0 0 0 3px rgba(var(--fe-accent-rgb), 0.28);

  color-scheme: dark;
}

/* ---------- 基础 ---------- */
html {
  background: var(--color-bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background:
    radial-gradient(1200px 620px at 12% -12%, rgba(var(--fe-accent-rgb), 0.18), transparent 62%),
    radial-gradient(1000px 520px at 100% 0%, rgba(var(--fe-accent-2-rgb), 0.1), transparent 58%),
    radial-gradient(900px 600px at 50% 112%, rgba(var(--fe-accent-rgb), 0.1), transparent 62%),
    var(--color-bg);
  background-attachment: fixed;
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.15px;
}

::selection {
  background: rgba(var(--fe-accent-rgb), 0.38);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.24);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.4);
  background-clip: content-box;
}

h1, h2, h3, h4 {
  color: var(--color-text-primary);
  letter-spacing: -0.2px;
}

:focus-visible {
  outline: 2px solid rgba(var(--fe-accent-rgb), 0.8);
  outline-offset: 2px;
}

/* ---------- 布局 ---------- */
.container {
  max-width: 1240px;
  padding: 34px 24px;
}

.container-sm {
  max-width: 940px;
  padding: 34px 24px;
}

.page-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.4px;
  margin-bottom: 8px;
  background: linear-gradient(120deg, #ffffff 20%, var(--fe-accent-light) 60%, var(--fe-accent-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-subtitle {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 26px;
}

/* ---------- 顶部导航 ---------- */
.header {
  background: var(--color-navbar-bg);
  border-bottom: 1px solid var(--color-navbar-border);
  padding: 13px 24px;
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 12px 30px -24px rgba(0, 0, 0, 0.9);
}

.logo {
  font-size: 18.5px;
  font-weight: 800;
  letter-spacing: -0.3px;
  background: linear-gradient(120deg, var(--fe-accent-light), var(--fe-accent) 45%, var(--fe-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  gap: 26px;
}

.nav-links a {
  position: relative;
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 2px;
  transition: color 0.18s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--fe-accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.user-area a {
  color: var(--color-text-secondary);
  font-weight: 600;
}

.user-area a:hover {
  color: var(--color-primary-light);
}

.user-avatar {
  background: linear-gradient(135deg, var(--color-primary), var(--fe-accent-2));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12), 0 8px 20px -10px rgba(var(--fe-accent-rgb), 0.9);
  font-weight: 700;
}

.dropdown-menu {
  background: #12152b;
  border: 1px solid var(--color-border-light);
  border-radius: 14px;
  box-shadow: 0 26px 50px -24px rgba(0, 0, 0, 0.95);
  padding: 6px;
  min-width: 180px;
  animation: fePop 0.16s ease forwards;
}

.dropdown-menu a {
  color: var(--color-text);
  border-radius: 9px;
  padding: 9px 12px;
  font-size: 13.5px;
}

.dropdown-menu a:hover {
  background: rgba(var(--fe-accent-rgb), 0.16);
  color: var(--fe-accent-pale);
}


/* ---------- 返回按钮 ---------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.18s ease;
}

.back-link:hover {
  color: var(--color-text-primary);
  border-color: rgba(var(--fe-accent-rgb), 0.5);
  background: rgba(var(--fe-accent-rgb), 0.14);
  transform: translateY(-1px);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--fe-radius-sm);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease, background 0.16s ease, color 0.16s ease;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 12.5px;
  border-radius: 9px;
}

.btn-lg {
  padding: 13px 28px;
  font-size: 15.5px;
  border-radius: 13px;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: linear-gradient(180deg, var(--fe-accent-soft), var(--fe-accent-dark));
  border-color: rgba(255, 255, 255, 0.12);
  color: #fff;
  box-shadow: 0 14px 28px -18px rgba(var(--fe-accent-rgb), 1), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 18px 34px -18px rgba(var(--fe-accent-rgb), 1), inset 0 1px 0 rgba(255, 255, 255, 0.26);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.045));
  border-color: var(--color-border-light);
  color: var(--color-text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.btn-secondary:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.07));
  border-color: rgba(var(--fe-accent-rgb), 0.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-border-light);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: rgba(var(--fe-accent-rgb), 0.12);
  color: var(--fe-accent-pale);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(180deg, #f87171, #dc2626);
  color: #fff;
  border-color: rgba(239, 68, 68, 0.4);
  box-shadow: 0 14px 28px -18px rgba(239, 68, 68, 0.95);
}

.btn-warning {
  background: linear-gradient(180deg, #fbbf24, #d97706);
  color: #241500;
  border-color: rgba(245, 158, 11, 0.4);
}

.btn-warning:hover {
  color: #241500;
}

.btn:disabled,
.btn.disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  filter: none;
  box-shadow: none;
}

/* ---------- 表单 ---------- */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.4px;
  color: var(--color-text-secondary);
}

.form-group label .required {
  color: #f87171;
  margin-left: 3px;
}

input[type='text'],
input[type='email'],
input[type='password'],
input[type='number'],
input[type='search'],
input[type='tel'],
input[type='url'],
input[type='date'],
input[type='datetime-local'],
select,
textarea,
.form-group input,
.form-group select,
.form-group textarea,
.filter-item input,
.filter-item select {
  min-height: 44px;
  padding: 11px 14px;
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius-sm);
  color: var(--color-text);
  font-size: 14px;
  font-family: inherit;
  line-height: 1.5;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.4);
  -webkit-appearance: none;
  appearance: none;
}

.form-group input,
.form-group select,
.form-group textarea,
.filter-item input,
.filter-item select,
.search-box input {
  width: 100%;
}

select {
  background-image: linear-gradient(45deg, transparent 50%, #9aa3bd 50%),
    linear-gradient(135deg, #9aa3bd 50%, transparent 50%);
  background-position: calc(100% - 19px) 20px, calc(100% - 14px) 20px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 38px;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--color-border-light);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(var(--fe-accent-rgb), 0.8);
  background: #0d1126;
  box-shadow: var(--fe-ring), inset 0 1px 2px rgba(0, 0, 0, 0.3);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

input[type='checkbox'],
input[type='radio'] {
  width: 16px;
  height: 16px;
  min-height: 0;
  accent-color: var(--color-primary);
}

.form-hint {
  font-size: 12.5px;
  color: var(--color-text-muted);
  margin-top: 6px;
}

.form-row {
  gap: 16px;
}

/* ---------- 搜索 / 筛选 ---------- */
.filter-bar {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius);
  padding: 14px 16px;
  backdrop-filter: blur(8px);
}

.filter-item label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.search-box {
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px 6px 4px 40px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.search-box:focus-within {
  border-color: rgba(var(--fe-accent-rgb), 0.75);
  box-shadow: var(--fe-ring);
}

.search-box input {
  border: none;
  background: transparent;
  box-shadow: none;
  min-height: 40px;
}

.search-box input:focus {
  box-shadow: none;
  background: transparent;
}

.filter-btn {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
}

.filter-btn:hover {
  color: var(--color-text);
  border-color: var(--color-border-light);
}

.filter-btn.active {
  color: #fff;
  border-color: rgba(var(--fe-accent-rgb), 0.6);
  background: linear-gradient(180deg, rgba(var(--fe-accent-rgb), 0.9), rgba(109, 40, 217, 0.85));
  box-shadow: 0 10px 22px -16px rgba(var(--fe-accent-rgb), 1);
}

/* ---------- 卡片 ---------- */
.card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0) 40%),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius);
  box-shadow: var(--fe-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  padding: 22px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  border-color: rgba(var(--fe-accent-rgb), 0.3);
  box-shadow: var(--fe-shadow-hover), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.card-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 14px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.2px;
}

.card-grid {
  gap: 20px;
}

/* ---------- 策略 / 工具卡片 ---------- */
.strategy-card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0) 38%),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius);
  overflow: hidden;
  transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.22s ease, box-shadow 0.22s ease;
  box-shadow: 0 18px 40px -30px rgba(0, 0, 0, 0.9);
}

.strategy-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--fe-accent-rgb), 0.45);
  box-shadow: 0 30px 60px -32px rgba(var(--fe-accent-rgb), 0.55), 0 0 0 1px rgba(var(--fe-accent-rgb), 0.18);
}

.strategy-cover {
  border-radius: 0;
  overflow: hidden;
}

.strategy-cover img {
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.strategy-card:hover .strategy-cover img {
  transform: scale(1.06);
}

.cover-mask {
  background: linear-gradient(180deg, rgba(7, 8, 21, 0) 35%, rgba(7, 8, 21, 0.85));
}

.cover-initials {
  font-weight: 800;
  letter-spacing: 2px;
}

.platform-tag,
.cover-cat,
.vip-tag {
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.strategy-body {
  padding: 16px 18px 18px;
}

.strategy-title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.strategy-desc {
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.65;
}

.strategy-meta {
  color: var(--color-text-muted);
  font-size: 12.5px;
}

.strategy-price {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.4px;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(120deg, #fde68a, #f59e0b 55%, #f97316);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.strategy-price.free {
  background: linear-gradient(120deg, #6ee7b7, #10b981);
  -webkit-background-clip: text;
  background-clip: text;
}

.strategy-rating,
.strategy-downloads {
  color: var(--color-text-muted);
  font-size: 12.5px;
}

/* ---------- VIP ---------- */

/* VIP 页专项：徽章不被卡片裁切 */
.vip-plan,
.plan-card {
  overflow: visible;
}

/* 主视觉：深紫底 + 金色光晕，比原来的纯橙更稳 */
.vip-hero {
  background:
    radial-gradient(900px 320px at 50% -30%, rgba(245, 158, 11, 0.34), transparent 62%),
    radial-gradient(700px 300px at 15% 120%, rgba(var(--fe-accent-rgb), 0.35), transparent 65%),
    linear-gradient(135deg, #1a1030, #2a1550 55%, #150c26);
  border-bottom: 1px solid rgba(245, 158, 11, 0.22);
}

.vip-hero h1 {
  text-shadow: none;
  background: linear-gradient(120deg, #fff7e0, #fbbf24 45%, #f59e0b 75%, #fde68a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.vip-hero p {
  color: #e9dcc8;
}

.vip-hero .vip-badge {
  background: rgba(245, 158, 11, 0.14);
  border: 1px solid rgba(245, 158, 11, 0.38);
  color: #fcd34d;
  backdrop-filter: blur(6px);
}

/* 推荐位：金色描边 + 光晕，与徽章呼应 */
.plan-card.featured {
  border-color: rgba(245, 158, 11, 0.55);
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.28), 0 34px 70px -38px rgba(245, 158, 11, 0.55);
}

.plan-card.featured .plan-badge {
  top: -14px;
  padding: 5px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 12px 26px -14px rgba(245, 158, 11, 0.9);
}

.vip-banner {
  border-radius: var(--fe-radius-lg);
  background:
    radial-gradient(700px 260px at 12% 0%, rgba(var(--fe-accent-rgb), 0.35), transparent 65%),
    linear-gradient(135deg, #1a1440, #241a52 45%, #1a1440);
  border: 1px solid rgba(var(--fe-accent-rgb), 0.35);
  box-shadow: 0 30px 60px -34px rgba(var(--fe-accent-rgb), 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.vip-banner h2 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.vip-plans,
.plans-grid {
  gap: 22px;
}

.vip-plan,
.plan-card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0) 40%),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius-lg);
  box-shadow: 0 22px 50px -36px rgba(0, 0, 0, 0.95);
  transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.22s ease, box-shadow 0.22s ease;
  overflow: hidden;
}

.vip-plan:hover,
.plan-card:hover {
  transform: translateY(-5px);
  border-color: rgba(var(--fe-accent-rgb), 0.42);
  box-shadow: 0 34px 70px -36px rgba(var(--fe-accent-rgb), 0.55);
}

.vip-plan.recommended,
.plan-card.recommended,
.plan-card.featured {
  border-color: rgba(var(--fe-accent-rgb), 0.65);
  box-shadow: 0 0 0 1px rgba(var(--fe-accent-rgb), 0.35), 0 34px 70px -34px rgba(var(--fe-accent-rgb), 0.7);
  background:
    radial-gradient(600px 200px at 50% -20%, rgba(var(--fe-accent-rgb), 0.28), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0) 40%),
    var(--color-bg-card);
}

.vip-plan .recommend-tag,
.plan-badge {
  background: linear-gradient(120deg, var(--fe-accent-light), var(--fe-accent) 50%, var(--fe-accent-2));
  color: #0b0a1a;
  font-weight: 800;
  letter-spacing: 0.4px;
  border-radius: 999px;
  padding: 4px 12px;
  box-shadow: 0 10px 22px -14px rgba(var(--fe-accent-rgb), 1);
}

.vip-plan-name,
.plan-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.vip-plan-price,
.plan-price {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(120deg, #ffffff, var(--fe-accent-light) 60%, var(--fe-accent-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.vip-plan-price span,
.plan-price span {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-secondary);
  -webkit-text-fill-color: var(--color-text-secondary);
}

.vip-plan-desc,
.plan-desc {
  color: var(--color-text-secondary);
  font-size: 13.5px;
}

.vip-plan-features li,
.plan-features li {
  color: var(--color-text-secondary);
  font-size: 13.5px;
  padding: 7px 0 7px 24px;
  position: relative;
}

.vip-plan-features li::before,
.plan-features li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 14px;
  width: 12px;
  height: 7px;
  border-left: 2px solid #34d399;
  border-bottom: 2px solid #34d399;
  transform: rotate(-45deg);
  border-radius: 1px;
}

/* ---------- Tabs ---------- */
.tabs {
  gap: 8px;
  padding: 5px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  display: inline-flex;
}

.tab {
  padding: 8px 18px;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
}

.tab:hover:not(.active) {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.tab.active {
  color: #fff;
  background: linear-gradient(180deg, rgba(var(--fe-accent-rgb), 0.95), rgba(109, 40, 217, 0.9));
  box-shadow: 0 10px 24px -16px rgba(var(--fe-accent-rgb), 1);
}

/* ---------- 分页 ---------- */
.pagination {
  gap: 8px;
  padding: 22px 0 6px;
}

.pagination button {
  min-width: 38px;
  height: 38px;
  padding: 0 13px;
  border-radius: 11px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.16s ease;
}

.pagination button:hover:not(:disabled) {
  border-color: rgba(var(--fe-accent-rgb), 0.55);
  background: rgba(var(--fe-accent-rgb), 0.14);
  transform: translateY(-1px);
}

.pagination button.active {
  background: linear-gradient(180deg, var(--fe-accent-soft), var(--fe-accent-dark));
  border-color: rgba(var(--fe-accent-rgb), 0.7);
  color: #fff;
  box-shadow: 0 12px 24px -16px rgba(var(--fe-accent-rgb), 1);
}

.pagination button:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.pagination .page-info {
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ---------- 用户中心 ---------- */
.uc-layout {
  gap: 22px;
  align-items: flex-start;
}

.uc-sidebar {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0) 40%),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius);
  padding: 10px;
  box-shadow: var(--fe-shadow);
}

.uc-menu-item {
  border-radius: 11px;
  padding: 11px 14px;
  color: var(--color-text-secondary);
  font-size: 13.5px;
  font-weight: 600;
  transition: all 0.16s ease;
}

.uc-menu-item:hover {
  background: rgba(var(--fe-accent-rgb), 0.12);
  color: var(--color-text);
}

.uc-menu-item.active {
  background: linear-gradient(90deg, rgba(var(--fe-accent-rgb), 0.28), rgba(var(--fe-accent-rgb), 0.06));
  color: var(--fe-accent-pale);
  box-shadow: inset 2px 0 0 var(--color-primary-light);
}

.uc-content {
  min-width: 0;
}

.user-card {
  background:
    radial-gradient(500px 200px at 0% 0%, rgba(var(--fe-accent-rgb), 0.3), transparent 60%),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius);
  box-shadow: var(--fe-shadow);
}

/* ---------- 详情页 ---------- */
.detail-layout {
  gap: 24px;
  align-items: flex-start;
}

.detail-main,
.detail-sidebar {
  min-width: 0;
}

.detail-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0) 40%),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius);
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: var(--fe-shadow);
}

.detail-label,
.sidebar-info-item .label,
.status-detail-item .label {
  color: var(--color-text-muted);
  font-size: 12.5px;
  letter-spacing: 0.3px;
}

.sidebar-info-item {
  padding: 11px 0;
  border-bottom: 1px dashed var(--color-border);
}

.sidebar-info-item:last-child {
  border-bottom: 0;
}

.status-detail-item {
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
}

/* ---------- 社区 / 公告 ---------- */
.post-list {
  gap: 14px;
}

.post-item {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0) 45%),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius);
  padding: 20px 22px;
  box-shadow: 0 18px 40px -34px rgba(0, 0, 0, 0.9);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.post-item:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--fe-accent-rgb), 0.35);
  box-shadow: 0 26px 50px -34px rgba(var(--fe-accent-rgb), 0.45);
}

.post-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.post-excerpt {
  color: var(--color-text-secondary);
  font-size: 13.5px;
  line-height: 1.7;
}

.post-meta,
.post-meta .meta-item {
  color: var(--color-text-muted);
  font-size: 12.5px;
}

/* ---------- 统计块 / 标签 ---------- */
.stat-item,
.stat-card {
  background:
    linear-gradient(135deg, rgba(var(--fe-accent-rgb), 0.14), rgba(var(--fe-accent-2-rgb), 0.06) 55%, transparent),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius);
  padding: 18px 20px;
  box-shadow: var(--fe-shadow);
}

.stat-value {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-primary);
}

.stat-label {
  font-size: 12.5px;
  color: var(--color-text-muted);
  letter-spacing: 0.3px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  background: rgba(var(--fe-accent-rgb), 0.14);
  color: var(--fe-accent-pale);
  border: 1px solid rgba(var(--fe-accent-rgb), 0.3);
}

.rule-item {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius-sm);
  padding: 14px 16px;
}

/* ---------- 徽章 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2px;
  border: 1px solid transparent;
}

.badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.badge-primary,
.badge-info {
  background: rgba(var(--fe-accent-rgb), 0.16);
  color: var(--fe-accent-pale);
  border-color: rgba(var(--fe-accent-rgb), 0.34);
}

.badge-success {
  background: rgba(16, 185, 129, 0.14);
  color: #6ee7b7;
  border-color: rgba(16, 185, 129, 0.32);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.14);
  color: #fcd34d;
  border-color: rgba(245, 158, 11, 0.32);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.14);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.32);
}

.badge-gray {
  background: rgba(148, 163, 184, 0.12);
  color: #cbd5e1;
  border-color: rgba(148, 163, 184, 0.26);
}

/* ---------- 提示 ---------- */
.message {
  padding: 12px 16px;
  border-radius: var(--fe-radius-sm);
  font-size: 13.5px;
  border: 1px solid transparent;
}

.message.success {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.3);
  color: #86efac;
}

.message.error {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.message.warning {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fcd34d;
}

.message.info {
  background: rgba(var(--fe-accent-2-rgb), 0.12);
  border-color: rgba(var(--fe-accent-2-rgb), 0.28);
  color: #a5e8ff;
}

/* ---------- 弹窗 ---------- */
.modal-overlay {
  background: rgba(4, 5, 14, 0.74);
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  padding: 22px;
}

.modal-overlay.active {
  animation: feFade 0.18s ease forwards;
}

.modal {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0) 30%),
    #10122a;
  border: 1px solid var(--color-border-light);
  border-radius: var(--fe-radius-lg);
  box-shadow: 0 44px 90px -34px rgba(0, 0, 0, 0.96), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  padding: 24px 26px;
  animation: fePop 0.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.modal-header h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.close-btn {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: var(--color-text-muted);
  font-size: 20px;
  transition: all 0.16s ease;
}

.close-btn:hover {
  background: rgba(239, 68, 68, 0.16);
  color: #fca5a5;
}

.modal-footer {
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

/* ---------- 空状态 / 加载 ---------- */
.empty {
  padding: 54px 22px;
  border: 1px dashed var(--color-border);
  border-radius: var(--fe-radius);
  background: rgba(255, 255, 255, 0.015);
}

.empty-icon {
  font-size: 40px;
  opacity: 0.55;
  margin-bottom: 10px;
}

.empty-text {
  color: var(--color-text-muted);
  font-size: 14px;
}

.loading-spinner {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid rgba(148, 163, 184, 0.22);
  border-top-color: var(--color-primary-light);
  animation: feSpin 0.8s linear infinite;
}

/* ---------- 表格 ---------- */
.table-container,
.table-wrap {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--fe-radius);
  overflow-x: auto;
  box-shadow: var(--fe-shadow);
}

table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
}

th {
  background: rgba(255, 255, 255, 0.035);
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  text-align: left;
}

td {
  padding: 13px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
  font-size: 13.5px;
  color: var(--color-text);
}

tbody tr {
  transition: background 0.16s ease;
}

tbody tr:hover {
  background: rgba(var(--fe-accent-rgb), 0.08);
}

tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 验证码 ---------- */
.captcha-img {
  width: 168px;
  height: 60px;
  min-height: 0;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background-color: #0d1424;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  cursor: pointer;
  flex: 0 0 auto;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.captcha-img:hover {
  border-color: rgba(var(--fe-accent-rgb), 0.6);
  box-shadow: 0 0 0 3px rgba(var(--fe-accent-rgb), 0.18);
  transform: translateY(-1px);
}

.captcha-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ---------- 页脚 ---------- */
.footer {
  position: relative;
  margin-top: 56px;
  background:
    radial-gradient(800px 300px at 50% 0%, rgba(var(--fe-accent-rgb), 0.1), transparent 70%),
    var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 46px 24px 22px;
}

.footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--fe-accent-rgb), 0.65), rgba(var(--fe-accent-2-rgb), 0.5), transparent);
}

.footer-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.3px;
  margin-bottom: 14px;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 2.1;
  transition: color 0.16s ease, padding-left 0.16s ease;
}

.footer-links a:hover {
  color: var(--color-primary-light);
  padding-left: 3px;
}

.footer-social span {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  transition: all 0.18s ease;
}

.footer-social span:hover {
  border-color: rgba(var(--fe-accent-rgb), 0.5);
  background: rgba(var(--fe-accent-rgb), 0.14);
  transform: translateY(-2px);
}

.footer-bottom {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 12.5px;
}

/* ---------- 动效 ---------- */
@keyframes feFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fePop {
  from { opacity: 0; transform: translateY(10px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes feSpin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .container,
  .container-sm { padding: 24px 18px; }
  .header { padding: 12px 16px; }
  .nav-links { gap: 18px; }
  .detail-layout { grid-template-columns: 1fr !important; }
  .uc-layout { grid-template-columns: 1fr !important; }
}

@media (max-width: 768px) {
  body { font-size: 13.5px; }
  .page-title { font-size: 22px; }
  .nav-links { display: none; }
  .strategy-card:hover,
  .vip-plan:hover,
  .plan-card:hover,
  .post-item:hover { transform: none; }
  .card { padding: 16px; }
  .detail-section { padding: 16px; }
  .vip-plan-price,
  .plan-price { font-size: 32px; }
  .pagination button { min-width: 34px; height: 34px; }
  th, td { padding: 10px 12px; font-size: 12.5px; }
  .modal { padding: 18px; }
}

/* ---------- 打印 ---------- */
@media print {
  body { background: #fff; color: #000; }
  .header, .footer, .pagination, .filter-bar { display: none !important; }
}


/* ==========================================================================
   交互增强层样式（配合 effects.js）
   ========================================================================== */

/* 滚动入场：仅在 JS 成功执行（html.fx-enabled）后才隐藏，脚本失败不影响可见性 */
.fx-enabled .fx-reveal {
  opacity: 0;
  transform: translateY(16px);
}

.fx-enabled .fx-reveal.fx-in {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 点击涟漪 */
.btn,
.filter-btn,
.tab,
.tab-btn,
.pagination button,
.uc-menu-item {
  position: relative;
  overflow: hidden;
}

.fx-ripple {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  transform: scale(0);
  background: rgba(255, 255, 255, 0.32);
  animation: fxRipple 0.6s ease-out forwards;
}

@keyframes fxRipple {
  to {
    transform: scale(2.4);
    opacity: 0;
  }
}

/* 进入页面淡入（只动 opacity，不影响 fixed 定位的子元素） */
body.fx-enter {
  animation: fxBodyIn 0.34s ease forwards;
}

@keyframes fxBodyIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 音效开关 */
.fx-toggle {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9990;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: rgba(17, 24, 39, 0.86);
  border: 1px solid rgba(148, 163, 184, 0.22);
  color: #c7d2fe;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 16px 32px -18px rgba(0, 0, 0, 0.9);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.fx-toggle:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--fe-accent-rgb), 0.55);
}

.fx-toggle .fx-icon-off {
  display: none;
}

.fx-toggle.is-off {
  color: #94a3b8;
}

.fx-toggle.is-off .fx-icon-on {
  display: none;
}

.fx-toggle.is-off .fx-icon-off {
  display: block;
}

@media (max-width: 768px) {
  .fx-toggle {
    right: 12px;
    bottom: 12px;
    width: 40px;
    height: 40px;
  }
}

/* VIP-BADGE-FIX */
.vip-plan, .plan-card { overflow: visible !important; }
.plan-card .plan-badge {
  top: 14px;
  background: linear-gradient(120deg, #fcd34d, #f59e0b);
  color: #241500;
  border: 1px solid rgba(255,255,255,.35);
  box-shadow: 0 12px 26px -14px rgba(245,158,11,.9);
}


/* 首页商品卡片：复用策略库的 .strategy-card 视觉，补齐布局（首页未加载 app-common-dark.css） */
body .home-strategy-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 16px;
}

@media (min-width: 640px) {
  body .home-strategy-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  body .home-strategy-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

body .home-strategy-grid .strategy-card {
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0) 38%),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 18px 40px -30px rgba(0, 0, 0, 0.9);
  transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.22s ease, box-shadow 0.22s ease;
}

body .home-strategy-grid .strategy-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--fe-accent-rgb), 0.45);
  box-shadow: 0 30px 60px -32px rgba(var(--fe-accent-rgb), 0.55), 0 0 0 1px rgba(var(--fe-accent-rgb), 0.18);
}

body .home-strategy-grid .strategy-cover {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 180px;
  overflow: hidden;
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  text-decoration: none;
}

body .home-strategy-grid .strategy-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

body .home-strategy-grid .strategy-card:hover .strategy-cover img {
  transform: scale(1.06);
}

body .home-strategy-grid .cover-mask {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 8, 21, 0) 35%, rgba(7, 8, 21, 0.85));
}

body .home-strategy-grid .cover-initials {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

body .home-strategy-grid .platform-tag,
body .home-strategy-grid .vip-tag,
body .home-strategy-grid .cover-cat {
  position: absolute;
  z-index: 2;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

body .home-strategy-grid .platform-tag {
  top: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
}

body .home-strategy-grid .vip-tag {
  top: 10px;
  left: 10px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
}

body .home-strategy-grid .strategy-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px 18px 18px;
}

body .home-strategy-grid .strategy-title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

body .home-strategy-grid .strategy-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
  min-height: 39px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

body .home-strategy-grid .strategy-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

body .home-strategy-grid .strategy-rating {
  font-size: 12.5px;
  color: #fbbf24;
}

body .home-strategy-grid .strategy-downloads {
  font-size: 12px;
  color: var(--color-text-muted);
}

body .home-strategy-grid .strategy-price {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.4px;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(120deg, #fde68a, #f59e0b 55%, #f97316);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

body .home-strategy-grid .strategy-price.free {
  background: linear-gradient(120deg, #6ee7b7, #10b981);
  -webkit-background-clip: text;
  background-clip: text;
}

/* ==========================================================
   皮肤：data-theme 由主题切换器 / 后台默认主题写入 <html>
   ========================================================== */
:root[data-theme="ocean"] {
  --fe-accent: #38bdf8;
  --fe-accent-light: #7dd3fc;
  --fe-accent-dark: #0284c7;
  --fe-accent-soft: #0ea5e9;
  --fe-accent-pale: #bae6fd;
  --fe-accent-2: #818cf8;
  --fe-accent-rgb: 56, 189, 248;
  --fe-accent-2-rgb: 129, 140, 248;
  --color-bg: #060d17;
  --color-bg-secondary: #0a1524;
  --color-bg-card: #0e1b2e;
  --color-bg-card-hover: #14263d;
  --color-bg-input: #0a1524;
  --color-border: rgba(148, 163, 184, 0.16);
  --color-border-light: rgba(148, 163, 184, 0.26);
  --color-glow-primary: rgba(56, 189, 248, 0.2);
  --color-glow-secondary: rgba(129, 140, 248, 0.12);
}

:root[data-theme="forest"] {
  --fe-accent: #34d399;
  --fe-accent-light: #6ee7b7;
  --fe-accent-dark: #059669;
  --fe-accent-soft: #10b981;
  --fe-accent-pale: #bbf7d0;
  --fe-accent-2: #a3e635;
  --fe-accent-rgb: 52, 211, 153;
  --fe-accent-2-rgb: 163, 230, 53;
  --color-bg: #050f0b;
  --color-bg-secondary: #0a1913;
  --color-bg-card: #0d2019;
  --color-bg-card-hover: #122b22;
  --color-bg-input: #0a1913;
  --color-border: rgba(148, 163, 184, 0.16);
  --color-border-light: rgba(148, 163, 184, 0.26);
  --color-glow-primary: rgba(52, 211, 153, 0.2);
  --color-glow-secondary: rgba(163, 230, 53, 0.1);
}

:root[data-theme="warcraft"] {
  --fe-accent: #f59e0b;
  --fe-accent-light: #fcd34d;
  --fe-accent-dark: #b45309;
  --fe-accent-soft: #fbbf24;
  --fe-accent-pale: #fde68a;
  --fe-accent-2: #f97316;
  --fe-accent-rgb: 245, 158, 11;
  --fe-accent-2-rgb: 249, 115, 22;
  --color-bg: #100c07;
  --color-bg-secondary: #17110a;
  --color-bg-card: #1d1610;
  --color-bg-card-hover: #2a2013;
  --color-bg-input: #17110a;
  --color-border: rgba(180, 160, 130, 0.18);
  --color-border-light: rgba(180, 160, 130, 0.3);
  --color-glow-primary: rgba(245, 158, 11, 0.2);
  --color-glow-secondary: rgba(249, 115, 22, 0.12);
}

/* ---------- 主题切换器 ---------- */
.fe-theme-toggle {
  position: fixed;
  right: 18px;
  bottom: 72px;
  z-index: 9990;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: rgba(17, 24, 39, 0.86);
  border: 1px solid var(--color-border-light);
  color: var(--fe-accent-light);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 16px 32px -18px rgba(0, 0, 0, 0.9);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.fe-theme-toggle:hover {
  transform: translateY(-2px);
  border-color: var(--fe-accent);
}

.fe-theme-panel {
  position: fixed;
  right: 18px;
  bottom: 124px;
  z-index: 9991;
  width: 196px;
  padding: 12px;
  border-radius: 16px;
  background: rgba(14, 18, 32, 0.96);
  border: 1px solid var(--color-border-light);
  box-shadow: 0 26px 50px -24px rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: none;
}

.fe-theme-panel.open {
  display: block;
  animation: fePop 0.16s ease both;
}

.fe-theme-panel .fe-theme-title {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  letter-spacing: 0.4px;
}

.fe-theme-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 13px;
  transition: background 0.16s ease;
}

.fe-theme-option:hover {
  background: rgba(255, 255, 255, 0.06);
}

.fe-theme-option.active {
  background: rgba(var(--fe-accent-rgb), 0.16);
  color: var(--color-text-primary);
}

.fe-theme-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.fe-theme-option .fe-check {
  margin-left: auto;
  opacity: 0;
  color: var(--fe-accent-light);
}

.fe-theme-option.active .fe-check {
  opacity: 1;
}

@media (max-width: 768px) {
  .fe-theme-toggle { right: 12px; bottom: 64px; width: 40px; height: 40px; }
  .fe-theme-panel { right: 12px; bottom: 112px; }
}


/* ==========================================================
   皮肤增强 v2：让切换“看得出来”
   - 面板改为不透明，避免和卡片叠在一起看不清
   - 每套皮肤改：页面底色光晕 / 首屏渐变 / 顶栏底色 / 卡片描边
   ========================================================== */

/* 面板可读性 */
.fe-theme-panel {
  background: #0c1120;
  border-color: rgba(148, 163, 184, 0.28);
  box-shadow: 0 30px 60px -24px rgba(0, 0, 0, 0.98), 0 0 0 1px rgba(255, 255, 255, 0.04);
  max-height: calc(100vh - 180px);
  overflow: auto;
}

.fe-theme-option {
  color: #e6e8f5;
}

.fe-theme-option.active {
  background: rgba(var(--fe-accent-rgb), 0.22);
  box-shadow: inset 0 0 0 1px rgba(var(--fe-accent-rgb), 0.45);
}

/* ---------- 深海蓝 ---------- */
:root[data-theme="ocean"] body {
  background:
    radial-gradient(1200px 620px at 12% -12%, rgba(56, 189, 248, 0.26), transparent 62%),
    radial-gradient(1000px 520px at 100% 0%, rgba(59, 130, 246, 0.2), transparent 58%),
    radial-gradient(900px 600px at 50% 118%, rgba(14, 165, 233, 0.14), transparent 62%),
    #050b14;
}

:root[data-theme="ocean"] .from-slate-900 {
  background-image: linear-gradient(180deg, #0a1b2e 0%, #071322 58%, #050b14 100%);
}

:root[data-theme="ocean"] .header {
  background: rgba(6, 14, 26, 0.9);
  border-bottom-color: rgba(56, 189, 248, 0.22);
  box-shadow: 0 14px 32px -26px rgba(56, 189, 248, 0.55);
}

:root[data-theme="ocean"] .strategy-card,
:root[data-theme="ocean"] .vip-plan,
:root[data-theme="ocean"] .plan-card,
:root[data-theme="ocean"] .card,
:root[data-theme="ocean"] .post-item,
:root[data-theme="ocean"] .detail-section {
  border-color: rgba(56, 189, 248, 0.2);
}

/* ---------- 青森绿 ---------- */
:root[data-theme="forest"] body {
  background:
    radial-gradient(1200px 620px at 12% -12%, rgba(52, 211, 153, 0.24), transparent 62%),
    radial-gradient(1000px 520px at 100% 0%, rgba(16, 185, 129, 0.18), transparent 58%),
    radial-gradient(900px 600px at 50% 118%, rgba(163, 230, 53, 0.1), transparent 62%),
    #040d09;
}

:root[data-theme="forest"] .from-slate-900 {
  background-image: linear-gradient(180deg, #082018 0%, #061710 58%, #040d09 100%);
}

:root[data-theme="forest"] .header {
  background: rgba(5, 15, 11, 0.9);
  border-bottom-color: rgba(52, 211, 153, 0.22);
  box-shadow: 0 14px 32px -26px rgba(52, 211, 153, 0.5);
}

:root[data-theme="forest"] .strategy-card,
:root[data-theme="forest"] .vip-plan,
:root[data-theme="forest"] .plan-card,
:root[data-theme="forest"] .card,
:root[data-theme="forest"] .post-item,
:root[data-theme="forest"] .detail-section {
  border-color: rgba(52, 211, 153, 0.2);
}

/* ---------- 赤金 ---------- */
:root[data-theme="warcraft"] body {
  background:
    radial-gradient(1200px 620px at 12% -12%, rgba(245, 158, 11, 0.26), transparent 62%),
    radial-gradient(1000px 520px at 100% 0%, rgba(234, 88, 12, 0.18), transparent 58%),
    radial-gradient(900px 600px at 50% 118%, rgba(251, 191, 36, 0.1), transparent 62%),
    #0d0904;
}

:root[data-theme="warcraft"] .from-slate-900 {
  background-image: linear-gradient(180deg, #241708 0%, #1a1006 58%, #0d0904 100%);
}

:root[data-theme="warcraft"] .header {
  background: rgba(16, 11, 5, 0.9);
  border-bottom-color: rgba(245, 158, 11, 0.22);
  box-shadow: 0 14px 32px -26px rgba(245, 158, 11, 0.5);
}

:root[data-theme="warcraft"] .strategy-card,
:root[data-theme="warcraft"] .vip-plan,
:root[data-theme="warcraft"] .plan-card,
:root[data-theme="warcraft"] .card,
:root[data-theme="warcraft"] .post-item,
:root[data-theme="warcraft"] .detail-section {
  border-color: rgba(245, 158, 11, 0.2);
}

/* ---------- 紫夜（默认）也补一点层次 ---------- */
:root:not([data-theme]) .from-slate-900,
:root[data-theme="default"] .from-slate-900 {
  background-image: linear-gradient(180deg, #141032 0%, #0c0a1e 58%, #070815 100%);
}

/* ==========================================================
   皮肤：aurora「深空霓虹玻璃拟态」（方案A · 全站默认）
   - 深空底色 + 极光光晕 + 网格线背景
   - 玻璃拟态卡片（半透明 + 背景模糊 + 描边光效）
   - 紫→蓝双强调色霓虹渐变
   ========================================================== */
:root[data-theme="aurora"] {
  --fe-accent: #7c5cff;
  --fe-accent-light: #a78bfa;
  --fe-accent-dark: #6d4df0;
  --fe-accent-soft: #9b7bff;
  --fe-accent-pale: #ddd6fe;
  --fe-accent-2: #3ec5ff;
  --fe-accent-rgb: 124, 92, 255;
  --fe-accent-2-rgb: 62, 197, 255;
  --color-bg: #070b14;
  --color-bg-secondary: #0a0f1d;
  --color-bg-card: rgba(255, 255, 255, 0.055);
  --color-bg-card-hover: rgba(255, 255, 255, 0.09);
  --color-bg-input: rgba(255, 255, 255, 0.06);
  --color-text: #eef2ff;
  --color-text-primary: #f6f7ff;
  --color-text-secondary: #8a94b0;
  --color-text-muted: #66708c;
  --color-border: rgba(255, 255, 255, 0.09);
  --color-border-light: rgba(255, 255, 255, 0.16);
  --color-navbar-bg: rgba(10, 15, 28, 0.75);
  --color-navbar-border: rgba(255, 255, 255, 0.09);
  --color-glow-primary: rgba(124, 92, 255, 0.25);
  --color-glow-secondary: rgba(62, 197, 255, 0.15);
  --fe-shadow: 0 24px 50px -30px rgba(0, 0, 0, 0.9);
  --fe-shadow-hover: 0 26px 56px -24px rgba(124, 92, 255, 0.45);
  --fe-ring: 0 0 0 3px rgba(124, 92, 255, 0.28);
}

/* 深空底色：双层极光光晕 */
:root[data-theme="aurora"] body {
  background:
    radial-gradient(640px 640px at -140px -200px, rgba(91, 46, 224, 0.4), transparent 62%),
    radial-gradient(520px 520px at 105% 12%, rgba(14, 127, 214, 0.32), transparent 60%),
    radial-gradient(460px 460px at 28% 108%, rgba(177, 60, 255, 0.24), transparent 62%),
    #070b14;
  background-attachment: fixed;
}

/* 网格线背景层（渐隐，纯装饰） */
:root[data-theme="aurora"] body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse 95% 62% at 50% 0%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 95% 62% at 50% 0%, #000 25%, transparent 78%);
}

/* React 首页首屏渐变（.from-slate-900 区块） */
:root[data-theme="aurora"] .from-slate-900 {
  background-image: linear-gradient(180deg, #12102e 0%, #0b0d20 58%, #070b14 100%);
}

/* 顶栏：玻璃拟态 + 霓虹描边 */
:root[data-theme="aurora"] .header {
  background: rgba(10, 15, 28, 0.72);
  border-bottom-color: rgba(124, 92, 255, 0.28);
  box-shadow: 0 20px 50px -28px rgba(0, 0, 0, 0.9), 0 0 24px -6px rgba(124, 92, 255, 0.25);
}

/* 玻璃卡片：半透明 + 背景模糊 + 悬浮 */
:root[data-theme="aurora"] .card,
:root[data-theme="aurora"] .strategy-card,
:root[data-theme="aurora"] .vip-plan,
:root[data-theme="aurora"] .plan-card,
:root[data-theme="aurora"] .post-item,
:root[data-theme="aurora"] .detail-section,
:root[data-theme="aurora"] .uc-sidebar,
:root[data-theme="aurora"] .stat-item,
:root[data-theme="aurora"] .stat-card,
:root[data-theme="aurora"] .filter-bar,
:root[data-theme="aurora"] .modal,
:root[data-theme="aurora"] .dropdown-menu,
:root[data-theme="aurora"] .table-container,
:root[data-theme="aurora"] .table-wrap {
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-color: rgba(255, 255, 255, 0.09);
  box-shadow: 0 24px 50px -30px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

:root[data-theme="aurora"] .card:hover,
:root[data-theme="aurora"] .strategy-card:hover,
:root[data-theme="aurora"] .vip-plan:hover,
:root[data-theme="aurora"] .plan-card:hover,
:root[data-theme="aurora"] .post-item:hover {
  border-color: rgba(124, 92, 255, 0.55);
  box-shadow: 0 26px 56px -24px rgba(124, 92, 255, 0.5), 0 0 0 1px rgba(124, 92, 255, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* 表单输入：聚焦玻璃底 */
:root[data-theme="aurora"] input:focus,
:root[data-theme="aurora"] select:focus,
:root[data-theme="aurora"] textarea:focus {
  background: rgba(124, 92, 255, 0.08);
}

/* 弹窗 / 下拉：玻璃底色 */
:root[data-theme="aurora"] .modal {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0) 30%),
    rgba(13, 18, 36, 0.92);
}
:root[data-theme="aurora"] .dropdown-menu {
  background: rgba(13, 18, 36, 0.94);
}

/* 页脚：深空底 + 霓虹顶光线 */
:root[data-theme="aurora"] .footer {
  background:
    radial-gradient(800px 300px at 50% 0%, rgba(124, 92, 255, 0.14), transparent 70%),
    rgba(6, 9, 17, 0.9);
}

/* ---------- React 首页 Tailwind 字面量颜色纠正（统一到 aurora 紫→蓝双色） ---------- */
:root[data-theme="aurora"] .text-purple-400,
:root[data-theme="aurora"] .text-brand-300,
:root[data-theme="aurora"] .text-brand-500 {
  color: var(--fe-accent-light) !important;
}
:root[data-theme="aurora"] .hover\:text-purple-300:hover,
:root[data-theme="aurora"] .hover\:text-purple-400:hover,
:root[data-theme="aurora"] .group:hover .group-hover\:text-purple-400 {
  color: var(--fe-accent-light) !important;
}
:root[data-theme="aurora"] .bg-purple-500\/20 {
  background-color: rgba(124, 92, 255, 0.22) !important;
}
:root[data-theme="aurora"] .bg-\[\#7C3AED\] {
  background-color: var(--fe-accent) !important;
}
:root[data-theme="aurora"] .shadow-purple-500\/20 {
  --tw-shadow-color: rgba(124, 92, 255, 0.35) !important;
}
:root[data-theme="aurora"] .bg-brand-50,
:root[data-theme="aurora"] .bg-brand-100 {
  background-color: rgba(124, 92, 255, 0.14) !important;
}
:root[data-theme="aurora"] .from-brand-50,
:root[data-theme="aurora"] .from-brand-100 {
  --tw-gradient-from: rgba(124, 92, 255, 0.2) var(--tw-gradient-from-position);
  --tw-gradient-to: rgba(124, 92, 255, 0) var(--tw-gradient-to-position);
  --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to);
}
:root[data-theme="aurora"] .to-brand-200 {
  --tw-gradient-to: rgba(62, 197, 255, 0.16) var(--tw-gradient-to-position);
}
:root[data-theme="aurora"] .hover\:border-brand-200:hover {
  border-color: rgba(124, 92, 255, 0.5) !important;
}
:root[data-theme="aurora"] .text-blue-400 {
  color: var(--fe-accent-2) !important;
}

/* 首页封面占位与按钮统一霓虹渐变 */
:root[data-theme="aurora"] body .home-strategy-grid .strategy-cover {
  background: linear-gradient(135deg, var(--fe-accent), var(--fe-accent-2));
}

/* 主题切换器浮层适配玻璃底 */
:root[data-theme="aurora"] .fe-theme-panel {
  background: rgba(10, 15, 28, 0.94);
}
:root[data-theme="aurora"] .fe-theme-toggle {
  color: var(--fe-accent-light);
}