/* ============================================
   效率工坊 主题样式 (Light Theme with Brand Accent)
   参照 minimaxi.com 视觉骨架,采用浅色基调 + 紫色品牌强调
   ============================================ */

:root {
  /* 背景层级 — 浅色暖灰 */
  --bg-primary: #FAFAF7;           /* 主背景 米白 */
  --bg-card: #FFFFFF;              /* 卡片背景 纯白 */
  --bg-elevated: #FFFFFF;          /* hover 态 同色 */
  --bg-soft: #F4F4EF;              /* 段落分隔/输入框底 */
  --bg-overlay: rgba(124, 58, 237, 0.06);

  /* 文字 — 深色 */
  --text-primary: #0F172A;         /* 主文字 深石板 */
  --text-secondary: #475569;       /* 次文字 */
  --text-tertiary: #94A3B8;        /* 辅助文字 */

  /* 品牌色 — 紫色 */
  --accent: #7C3AED;
  --accent-2: #4F46E5;
  --accent-soft: #EDE9FE;          /* 浅紫底色 */
  --accent-jx: #3F8BFE;
  --accent-grad: linear-gradient(135deg, #7C3AED 0%, #4F46E5 100%);

  /* 边框 */
  --border: rgba(15, 23, 42, 0.06);
  --border-strong: rgba(15, 23, 42, 0.12);

  /* 圆角 */
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
}

/* ============================================
   全局重置
   ============================================ */
html, body {
  background: var(--bg-primary) !important;
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
               "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  /* 修复:loginRegister.css 中 body { overflow: hidden } 锁住了整页滚动 */
  overflow: visible !important;
  overflow-x: hidden !important;
  height: auto !important;
}

body.modal-open {
  overflow: hidden !important;
}

body.bg-light {
  background: var(--bg-primary) !important;
}

.main-container {
  overflow-y: visible !important;
  overflow-x: hidden !important;
  height: auto !important;
}

#content {
  flex: none !important;
  display: block !important;
}

/* ============================================
   顶部导航栏 — 浅色玻璃拟态
   ============================================ */
#navigation {
  height: 72px !important;
  background: rgba(250, 250, 247, 0.85) !important;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background 0.2s ease;
}

#navigation .navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

#navigation .navbar-brand span {
  color: var(--text-primary) !important;
  font-size: 22px !important;
  font-weight: 700;
  letter-spacing: -0.01em;
}

#navigation .nav-link {
  color: var(--text-secondary) !important;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 12px !important;
  transition: color 0.15s ease;
}

#navigation .nav-link:hover,
#navigation .nav-link:focus {
  color: var(--accent) !important;
}

#navigation .dropdown-toggle::after {
  margin-left: 6px;
}

#navigation .dropdown-menu {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
  margin-top: 8px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
}

#navigation .dropdown-item {
  color: var(--text-secondary);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 14px;
  transition: all 0.15s ease;
}

#navigation .dropdown-item:hover {
  background: var(--bg-soft);
  color: var(--text-primary);
}

/* 登录按钮 — 紫色胶囊 */
#navigation .btn-primary {
  background: var(--accent-grad) !important;
  border: none !important;
  color: #FFF !important;
  border-radius: var(--radius-pill) !important;
  padding: 8px 20px !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
}

#navigation .btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.4);
}

/* 用户菜单文字色 */
#user-main .dropdown-toggle,
#user-main .dropdown-toggle:focus,
#user-main .dropdown-toggle:active,
#user-main .dropdown-toggle.show {
  color: var(--text-primary) !important;
}

/* 移动端导航 */
.index_con #navbarNav.show {
  background: var(--bg-card) !important;
  box-shadow: 0 5px 20px rgba(15, 23, 42, 0.1);
}

.index_con #navbarNav.show li {
  border-bottom: 1px solid var(--border) !important;
}

.index_con #navbarNav.show li a {
  color: var(--text-primary) !important;
}

.navbar-toggler {
  border-color: var(--border-strong) !important;
  color: var(--text-primary);
}

.mobile_login-btn button {
  background: var(--accent-grad);
  color: #FFF;
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
}

/* ============================================
   Hero 区域 — 紫色微光 + 网格背景
   ============================================ */
.hero-section {
  padding: 100px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(124, 58, 237, 0.12) 0%, transparent 60%),
    var(--bg-primary);
}

/* 网格线背景 */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 30%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 30%, #000 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-title .gradient-text {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto 40px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn-hero-primary {
  background: var(--accent-grad) !important;
  color: #FFF !important;
  border: none !important;
  padding: 14px 32px !important;
  border-radius: var(--radius-pill) !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  transition: all 0.2s ease;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.45);
  color: #FFF !important;
}

.btn-hero-secondary {
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-strong) !important;
  padding: 14px 32px !important;
  border-radius: var(--radius-pill) !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  transition: all 0.2s ease;
}

.btn-hero-secondary:hover {
  background: var(--bg-soft) !important;
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}

/* URL 输入框 */
.hero-input-wrap {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

#urlDiv.hero-input {
  width: 100% !important;
  height: 68px !important;
  background: var(--bg-card) !important;
  border: 1px solid var(--border-strong) !important;
  border-radius: var(--radius-pill) !important;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08), 0 0 0 6px rgba(124, 58, 237, 0.05);
  display: flex;
  align-items: center;
  padding: 0 8px 0 28px;
}

#urlDiv.hero-input:focus-within {
  border-color: var(--accent) !important;
  box-shadow: 0 12px 40px rgba(124, 58, 237, 0.15), 0 0 0 6px rgba(124, 58, 237, 0.1);
}

.hero-input #urlInput {
  background: transparent !important;
  color: var(--text-primary) !important;
  border: none !important;
  font-size: 16px !important;
  padding: 0 !important;
  height: 100% !important;
  flex: 1;
}

.hero-input #urlInput::placeholder {
  color: var(--text-tertiary);
}

.hero-input #urlInput:focus {
  outline: none;
  box-shadow: none;
}

.hero-input .jx-btn {
  height: 52px !important;
  background: var(--accent-grad) !important;
  border-radius: var(--radius-pill) !important;
  width: auto !important;
  padding: 0 32px !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  position: static !important;
  color: #FFF !important;
  border: none !important;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
}

.hero-input .jx-btn:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}

.hero-aux-btns {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  justify-content: center;
}

.btn-paste-gradient {
  background: var(--bg-card) !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border) !important;
  padding: 8px 24px !important;
  border-radius: var(--radius-pill) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  transition: all 0.2s ease;
}

.btn-paste-gradient:hover {
  background: var(--accent-soft) !important;
  color: var(--accent) !important;
  border-color: var(--accent) !important;
}

.btn-clear-outline {
  background: transparent !important;
  color: var(--text-tertiary) !important;
  border: 1px solid transparent !important;
  padding: 8px 24px !important;
  border-radius: var(--radius-pill) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
}

.btn-clear-outline:hover {
  color: var(--text-secondary) !important;
}

/* ============================================
   通用段落容器
   ============================================ */
.section {
  padding: 88px 24px;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 56px;
}

.section-eyebrow {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ============================================
   三段横向滚动 Banner
   ============================================ */
.banners-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1320px;
  margin: 0 auto;
}

.banner-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.banner-card:hover {
  border-color: rgba(124, 58, 237, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(124, 58, 237, 0.12);
}

.banner-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--accent-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF;
  font-size: 22px;
  margin-bottom: 24px;
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.3);
}

.banner-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.banner-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
}

.banner-features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.banner-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.banner-feature-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 12px;
}

.banner-feature strong {
  color: var(--text-primary);
  font-weight: 600;
}

.banner-ctas {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-banner-primary {
  background: var(--accent-grad) !important;
  color: #FFF !important;
  border: none !important;
  padding: 10px 20px !important;
  border-radius: var(--radius-pill) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  transition: all 0.2s ease;
}

.btn-banner-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.35);
  color: #FFF !important;
}

.btn-banner-secondary {
  background: transparent !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border-strong) !important;
  padding: 10px 20px !important;
  border-radius: var(--radius-pill) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  transition: all 0.2s ease;
}

.btn-banner-secondary:hover {
  background: var(--bg-soft) !important;
  color: var(--text-primary) !important;
  border-color: var(--text-tertiary) !important;
}

@media (max-width: 992px) {
  .banners-wrap {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   平台大卡片网格
   ============================================ */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 1320px;
  margin: 0 auto;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 20px;
  text-decoration: none !important;
  transition: all 0.25s ease;
}

.platform-card:hover {
  border-color: rgba(124, 58, 237, 0.3);
  background: var(--bg-card);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.08);
}

/* 暂未提供模板的平台卡片:无点击效果 */
.platform-card.platform-card-disabled {
  cursor: default;
  opacity: 0.7;
}

.platform-card.platform-card-disabled:hover {
  border-color: var(--border);
  background: var(--bg-card);
  transform: none;
  box-shadow: none;
}

.platform-card-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFFFFF 0%, var(--bg-soft) 100%);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.platform-card-icon img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.platform-card-info {
  flex: 1;
  min-width: 0;
}

.platform-card-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.platform-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

.platform-more-wrap {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.platform-more-wrap > #platformMoreList {
  width: 100%;
}

/* 「更多」折叠区内的卡片,重置被外层继承的 text-align: center,保证与上方一致 */
.platform-more-wrap .platform-grid,
.platform-more-wrap .platform-card,
.platform-more-wrap .platform-card-name,
.platform-more-wrap .platform-card-desc {
  text-align: left;
}

.btn-platform-more {
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-strong) !important;
  padding: 12px 32px !important;
  border-radius: var(--radius-pill) !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-platform-more:hover {
  background: var(--accent) !important;
  color: #FFF !important;
  border-color: var(--accent) !important;
}

@media (max-width: 992px) {
  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .platform-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   使用方法步骤
   ============================================ */
.usage-section {
  padding: 88px 24px;
  background: var(--bg-soft);
}

.usage-section .section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.usage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1080px;
  margin: 0 auto;
}

.usage-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  position: relative;
  transition: all 0.25s ease;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

.usage-card:hover {
  border-color: rgba(124, 58, 237, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.08);
}

.usage-step-badge {
  position: absolute;
  top: -16px;
  left: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-grad);
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.35);
}

.usage-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.usage-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .usage-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   教程与最新动态
   ============================================ */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none !important;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

.article-card:hover {
  border-color: rgba(124, 58, 237, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(124, 58, 237, 0.12);
}

.article-cover {
  height: 180px;
  background: var(--accent-grad);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.2), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(0,0,0,0.15), transparent 50%);
}

.article-cover-icon {
  font-size: 56px;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  z-index: 1;
}

.article-cover.tutorial {
  background: linear-gradient(135deg, #3F8BFE 0%, #7C3AED 100%);
}

.article-cover.update {
  background: linear-gradient(135deg, #7C3AED 0%, #C026D3 100%);
}

.article-cover.story {
  background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
}

.article-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-meta-tag {
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.article-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.article-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}


/* ============================================
   教程与动态 — 6 卡适用场景改版
   ============================================ */
.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.use-case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.use-case-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
  transform: translateY(-2px);
}

.use-case-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.005em;
  line-height: 1.4;
}

.use-case-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
  flex: 1;
}

@media (max-width: 992px) {
  .use-case-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 992px) {
  .article-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   品牌介绍 + 三组数据
   ============================================ */
.about-section {
  padding: 100px 24px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 60% at 50% 0%, rgba(124, 58, 237, 0.08) 0%, transparent 60%),
    var(--bg-soft);
}

.about-content {
  max-width: 880px;
  margin: 0 auto 80px;
}

.about-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.about-text {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}

.stat-item {
  text-align: center;
  padding: 24px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.stat-number {
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 800;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ============================================
   Footer
   ============================================ */
footer {
  background: var(--bg-card) !important;
  border-top: 1px solid var(--border);
  padding: 48px 24px 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--text-secondary) !important;
  font-size: 14px;
  transition: color 0.15s ease;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent) !important;
}

.footer-brand {
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-copy {
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 768px) {
  .section {
    padding: 60px 16px;
  }
  .hero-section {
    padding: 64px 16px 48px;
  }
  .about-section {
    padding: 60px 16px;
  }
}

/* ============================================
   旧样式兼容(覆盖原浅色样式)
   ============================================ */
.feature-block,
.feature-card {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-primary);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04) !important;
}

.feature-title,
.usage-heading,
.feature-heading {
  color: var(--text-primary) !important;
}

.feature-desc,
.usage-subtitle,
.features-subtitle {
  color: var(--text-secondary) !important;
}

/* 解析按钮(下载区) */
#chooseButton .btn {
  background: var(--accent-grad) !important;
  border-color: transparent !important;
  border-radius: var(--radius-pill) !important;
  font-weight: 600 !important;
  padding: 8px 24px !important;
  color: #FFF !important;
}

#chooseButton .btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.35);
}

/* 失败提示 */
#inputPrompt {
  color: #DC2626 !important;
  text-align: center;
  padding: 12px;
  background: rgba(220, 38, 38, 0.06);
  border-radius: 8px;
  margin-top: 16px;
}

#inputPrompt a {
  color: var(--accent) !important;
  text-decoration: underline;
}

#successIcon,
#failIcon {
  font-size: 40px;
}

#promptText {
  color: var(--text-primary);
}

#preview img {
  background: var(--bg-card);
}