/* =====================================================
   WPS Office 官网下载 - 全局样式
   符合谷歌SEO/GEO标准 | 中文版
   ===================================================== */

/* ---- CSS Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #FF6A00;
  --primary-dark: #e05a00;
  --secondary: #C2185B;
  --accent: #7B1FA2;
  --bg-dark: #1a1a2e;
  --bg-mid: #16213e;
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --text-light: #f9fafb;
  --border: #e5e7eb;
  --card-bg: #ffffff;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.14);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: 0.25s ease;
  --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--text-main);
  background: #f5f6fa;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--primary); }

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol { list-style: none; }

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}

.section-sm {
  padding: 48px 0;
}

/* ---- Header / Navbar ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

.navbar-brand img {
  height: 36px;
  width: auto;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-nav a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  transition: background var(--transition), color var(--transition);
}

.navbar-nav a:hover,
.navbar-nav a.active {
  background: #fff4ee;
  color: var(--primary);
}

.navbar-cta {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff !important;
  padding: 10px 24px !important;
  border-radius: 24px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 14px rgba(255,106,0,0.35);
  transition: transform var(--transition), box-shadow var(--transition) !important;
}

.navbar-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255,106,0,0.45) !important;
  background: linear-gradient(135deg, var(--primary-dark), var(--accent)) !important;
  color: #fff !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- Hero / Banner ---- */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 70%, #533483 100%);
  color: #fff;
  padding: 100px 0 80px;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,106,0,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(194,24,91,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,106,0,0.2);
  color: #FF8C42;
  border: 1px solid rgba(255,106,0,0.4);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, #ffd4b2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 14px 32px;
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 6px 24px rgba(255,106,0,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(255,106,0,0.5);
  color: #fff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  padding: 14px 32px;
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
  transition: background var(--transition), border-color var(--transition);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}

.hero-meta {
  display: flex;
  gap: 24px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
}

.hero-meta-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

.hero-visual {
  position: relative;
}

.hero-screenshot {
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  width: 100%;
  border: 1px solid rgba(255,255,255,0.1);
}

.hero-float-badge {
  position: absolute;
  bottom: -16px;
  left: -16px;
  background: #fff;
  border-radius: 12px;
  padding: 12px 18px;
  box-shadow: var(--shadow-hover);
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-float-badge .icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
}

.hero-float-badge .text strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-main);
}

.hero-float-badge .text span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ---- Carousel / Slider ---- */
.carousel-section {
  background: #fff;
  padding: 0;
  overflow: hidden;
}

.carousel-wrapper {
  position: relative;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-slide {
  min-width: 100%;
  position: relative;
}

.carousel-slide img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: #fff;
  padding: 40px 60px 40px;
}

.carousel-caption h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.carousel-caption p {
  font-size: 1rem;
  opacity: 0.85;
}

.carousel-controls {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  pointer-events: none;
}

.carousel-btn {
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.9);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: all;
  box-shadow: var(--shadow);
  transition: background var(--transition), transform var(--transition);
  color: var(--text-main);
  font-size: 1.2rem;
}

.carousel-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: scale(1.1);
}

.carousel-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  background: rgba(255,255,255,0.5);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  border: none;
}

.carousel-dot.active {
  background: var(--primary);
  transform: scale(1.3);
}

/* ---- Features Grid ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.6rem;
}

.feature-icon.orange { background: linear-gradient(135deg, #FF6A00, #FF8C42); }
.feature-icon.pink   { background: linear-gradient(135deg, #C2185B, #E91E8C); }
.feature-icon.purple { background: linear-gradient(135deg, #7B1FA2, #9C27B0); }
.feature-icon.blue   { background: linear-gradient(135deg, #1565C0, #1976D2); }
.feature-icon.green  { background: linear-gradient(135deg, #2E7D32, #43A047); }
.feature-icon.teal   { background: linear-gradient(135deg, #00695C, #00897B); }

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---- Stats Bar ---- */
.stats-bar {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 48px 0;
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item strong {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-item span {
  font-size: 0.9rem;
  opacity: 0.85;
}

/* ---- Section Heading ---- */
.section-heading {
  text-align: center;
  margin-bottom: 52px;
}

.section-heading h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}

.section-heading p {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.section-heading .tag {
  display: inline-block;
  background: #fff4ee;
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ---- Article Cards ---- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.article-card-img {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.article-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.article-card:hover .article-card-img img {
  transform: scale(1.05);
}

.article-card-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.article-card-body {
  padding: 20px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.article-card-meta svg {
  flex-shrink: 0;
}

.article-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 14px;
}

.article-card-link:hover { color: var(--primary-dark); }

/* ---- Download Section ---- */
.download-section {
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
  color: #fff;
  padding: 80px 0;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.download-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 36px 32px;
  backdrop-filter: blur(12px);
  transition: background var(--transition), transform var(--transition);
  display: flex;
  align-items: center;
  gap: 24px;
}

.download-card:hover {
  background: rgba(255,255,255,0.13);
  transform: translateY(-3px);
}

.download-card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.8rem;
}

.download-card-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.download-card-info .version {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 14px;
}

.download-card-info .btn-dl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 10px 22px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(255,106,0,0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}

.download-card-info .btn-dl:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,106,0,0.5);
  color: #fff;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.breadcrumb-list a {
  color: var(--primary);
}

.breadcrumb-list a:hover { text-decoration: underline; }

.breadcrumb-sep {
  color: #d1d5db;
}

/* ---- List Page ---- */
.list-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 36px;
  align-items: start;
}

.list-main {}

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border);
}

.list-header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
}

.list-count {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.list-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.list-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  gap: 0;
  transition: transform var(--transition), box-shadow var(--transition);
}

.list-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.list-item-img {
  width: 220px;
  flex-shrink: 0;
  overflow: hidden;
}

.list-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.list-item:hover .list-item-img img {
  transform: scale(1.05);
}

.list-item-body {
  padding: 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.list-item-cat {
  display: inline-block;
  background: #fff4ee;
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.list-item-body h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.5;
}

.list-item-body h2 a:hover { color: var(--primary); }

.list-item-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.list-item-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ---- Pagination ---- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-main);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-btn:hover,
.page-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.page-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---- Sidebar ---- */
.sidebar {}

.sidebar-widget {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  overflow: hidden;
}

.sidebar-widget-title {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 14px 20px;
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-widget-body {
  padding: 16px 20px;
}

.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sidebar-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.sidebar-list-item:last-child { border-bottom: none; }

.sidebar-list-item img {
  width: 72px;
  height: 54px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.sidebar-list-item a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-list-item a:hover { color: var(--primary); }

.sidebar-list-item .meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.sidebar-dl-card {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius);
  padding: 24px 20px;
  color: #fff;
  text-align: center;
  margin-bottom: 24px;
}

.sidebar-dl-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.sidebar-dl-card p {
  font-size: 0.82rem;
  opacity: 0.85;
  margin-bottom: 16px;
}

.sidebar-dl-card .btn-dl-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  color: var(--primary);
  padding: 10px 22px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 700;
  transition: transform var(--transition);
}

.sidebar-dl-card .btn-dl-sm:hover {
  transform: scale(1.04);
  color: var(--primary-dark);
}

/* ---- Article / Show Page ---- */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 36px;
  align-items: start;
}

.article-main {}

.article-header {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 36px 40px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}

.article-cat-badge {
  display: inline-block;
  background: #fff4ee;
  color: var(--primary);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.article-header h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-body {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}

.article-body h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 32px 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
}

.article-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 24px 0 10px;
}

.article-body p {
  font-size: 0.95rem;
  color: #374151;
  line-height: 1.9;
  margin-bottom: 16px;
}

.article-body ul, .article-body ol {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}

.article-body ol { list-style: decimal; }

.article-body li {
  font-size: 0.95rem;
  color: #374151;
  line-height: 1.8;
  margin-bottom: 6px;
}

.article-body img {
  border-radius: var(--radius-sm);
  margin: 20px 0;
  box-shadow: var(--shadow);
}

.article-body blockquote {
  background: #fff4ee;
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
  font-style: italic;
  color: #374151;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.9rem;
}

.article-body th {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
}

.article-body td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: #374151;
}

.article-body tr:nth-child(even) td { background: #f9fafb; }

.article-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.article-tag {
  background: #f3f4f6;
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  transition: background var(--transition), color var(--transition);
}

.article-tag:hover {
  background: #fff4ee;
  color: var(--primary);
}

/* ---- Download Page ---- */
.dl-hero {
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
  color: #fff;
  padding: 72px 0 60px;
  text-align: center;
}

.dl-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.dl-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto 32px;
}

.dl-platforms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 60px;
}

.dl-platform-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.dl-platform-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.dl-platform-card.featured {
  border-color: var(--primary);
  position: relative;
}

.dl-platform-card.featured::before {
  content: '推荐';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

.dl-platform-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.dl-platform-card h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.dl-platform-card .version-info {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.dl-platform-card .file-size {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.dl-platform-card .btn-dl-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 13px 28px;
  border-radius: 28px;
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(255,106,0,0.35);
  transition: transform var(--transition), box-shadow var(--transition);
  width: 100%;
  justify-content: center;
}

.dl-platform-card .btn-dl-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,106,0,0.5);
  color: #fff;
}

.dl-features-list {
  list-style: none;
  text-align: left;
  margin-bottom: 24px;
}

.dl-features-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 5px 0;
}

.dl-features-list li::before {
  content: '✓';
  color: #22c55e;
  font-weight: 700;
  flex-shrink: 0;
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-question {
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  user-select: none;
  transition: background var(--transition);
}

.faq-question:hover { background: #f9fafb; }

.faq-question .icon {
  width: 24px;
  height: 24px;
  background: #fff4ee;
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}

.faq-item.open .faq-question .icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ---- Footer ---- */
.site-footer {
  background: #111827;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand img {
  height: 32px;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col ul li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--primary); }

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
}

.footer-bottom a:hover { color: var(--primary); }

/* ---- Utility ---- */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-primary { background: #fff4ee; color: var(--primary); }
.badge-success { background: #f0fdf4; color: #16a34a; }
.badge-info    { background: #eff6ff; color: #2563eb; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid    { grid-template-columns: repeat(2, 1fr); }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
  .dl-platforms  { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1    { font-size: 2rem; }
  .hero-visual { display: none; }
  .list-layout  { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .features-grid  { grid-template-columns: 1fr; }
  .articles-grid  { grid-template-columns: 1fr; }
  .download-grid  { grid-template-columns: 1fr; }
  .dl-platforms   { grid-template-columns: 1fr; }
  .stats-grid     { grid-template-columns: repeat(2, 1fr); }
  .footer-grid    { grid-template-columns: 1fr; }
  .navbar-nav     { display: none; }
  .hamburger      { display: flex; }
  .list-item-img  { width: 120px; }
  .carousel-slide img { height: 260px; }
  .carousel-caption { padding: 20px 24px; }
  .carousel-caption h2 { font-size: 1.2rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section   { padding: 48px 0; }
  .hero      { padding: 60px 0 48px; }
  .hero h1   { font-size: 1.7rem; }
  .btn-primary, .btn-secondary { padding: 12px 22px; font-size: 0.9rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .list-item  { flex-direction: column; }
  .list-item-img { width: 100%; height: 180px; }
}