/* =============================================
   WPS Office 模板第12套 — 磨砂玻璃拟态风
   主色：半透明白 + 深紫蓝底
   ============================================= */

:root {
  --bg-base: #0d0e1a;
  --bg-secondary: #12142a;
  --glass-bg: rgba(255,255,255,0.07);
  --glass-border: rgba(255,255,255,0.12);
  --glass-hover: rgba(255,255,255,0.11);
  --accent: #7c6ff7;
  --accent-2: #a78bfa;
  --accent-light: rgba(124,111,247,0.15);
  --orb-1: #7c6ff7;
  --orb-2: #4f8ef7;
  --orb-3: #c084fc;
  --text-primary: #f0f0ff;
  --text-secondary: rgba(240,240,255,0.65);
  --text-muted: rgba(240,240,255,0.4);
  --white: #ffffff;
  --green: #4ade80;
  --red: #f87171;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-glass: 0 8px 32px rgba(0,0,0,0.4);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- 玻璃面板 ---- */
.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius);
}

/* ---- 导航栏 ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(13,14,26,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(13,14,26,0.92);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

.nav-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--accent), var(--orb-2));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
}

.logo-text em { font-style: normal; color: var(--accent-2); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-link {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--glass-bg);
}

.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }

.btn-nav-download {
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--accent), var(--orb-2));
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-nav-download:hover { opacity: 0.88; transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- 按钮 ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--accent), var(--orb-2));
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(124,111,247,0.4);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(124,111,247,0.5); }

.btn-glass {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  transition: var(--transition);
}

.btn-glass:hover { background: var(--glass-hover); transform: translateY(-2px); }

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 24px 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.glass-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}

.orb-1 {
  width: 600px; height: 600px;
  background: var(--orb-1);
  top: -200px; left: -100px;
}

.orb-2 {
  width: 500px; height: 500px;
  background: var(--orb-2);
  bottom: -100px; right: 10%;
}

.orb-3 {
  width: 400px; height: 400px;
  background: var(--orb-3);
  top: 30%; right: -100px;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124,111,247,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,111,247,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.title-highlight {
  background: linear-gradient(135deg, var(--accent-2), var(--orb-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.stat-item { text-align: center; }

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-unit { font-size: 1rem; color: var(--accent-2); font-weight: 600; }

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--glass-border);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 420px;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius);
  box-shadow: var(--shadow-glass);
}

.main-card {
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 75%;
  padding: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.card-dots {
  display: flex;
  gap: 5px;
}

.card-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--glass-border);
}

.card-dots span:nth-child(1) { background: #ff5f57; }
.card-dots span:nth-child(2) { background: #febc2e; }
.card-dots span:nth-child(3) { background: #28c840; }

.card-title { font-size: 0.8rem; color: var(--text-muted); }

.card-content { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }

.doc-line {
  height: 8px;
  background: var(--glass-border);
  border-radius: 4px;
}

.w-full { width: 100%; }
.w-90 { width: 90%; }
.w-85 { width: 85%; }
.w-80 { width: 80%; }
.w-75 { width: 75%; }
.w-70 { width: 70%; }
.w-60 { width: 60%; }

.card-toolbar {
  display: flex;
  gap: 6px;
  align-items: center;
}

.tool-btn {
  padding: 4px 10px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  color: var(--text-secondary);
}

.tool-btn.active {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent-2);
}

.tool-sep {
  width: 1px;
  height: 16px;
  background: var(--glass-border);
  margin: 0 4px;
}

.side-card {
  position: absolute;
  right: 0;
  width: 38%;
  padding: 16px;
}

.card-top { top: 10%; }
.card-bottom { bottom: 10%; }

.mini-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 60px;
  margin-bottom: 8px;
}

.bar {
  flex: 1;
  background: linear-gradient(to top, var(--accent), var(--accent-2));
  border-radius: 4px 4px 0 0;
  opacity: 0.8;
}

.mini-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.slide-preview { margin-bottom: 8px; }
.slide-title-bar { height: 8px; background: var(--accent); border-radius: 4px; margin-bottom: 8px; width: 70%; }
.slide-body { display: flex; gap: 8px; }
.slide-block { height: 30px; background: var(--glass-border); border-radius: 4px; flex: 1; }
.slide-block.sm { flex: 0.6; }

/* ---- Section 通用 ---- */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--accent-light);
  border: 1px solid rgba(124,111,247,0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent-2);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-title strong { color: var(--accent-2); }

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

/* ---- 核心优势 ---- */
.advantages {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.adv-card {
  padding: 32px 28px;
  transition: var(--transition);
}

.adv-card:hover {
  transform: translateY(-6px);
  background: var(--glass-hover);
  border-color: rgba(124,111,247,0.3);
}

.adv-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #fff;
}

.icon-free { background: linear-gradient(135deg, #7c6ff7, #4f8ef7); }
.icon-compat { background: linear-gradient(135deg, #4f8ef7, #06b6d4); }
.icon-light { background: linear-gradient(135deg, #c084fc, #7c6ff7); }
.icon-cloud { background: linear-gradient(135deg, #06b6d4, #4f8ef7); }
.icon-ai { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.icon-secure { background: linear-gradient(135deg, #10b981, #06b6d4); }

.adv-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

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

/* ---- 产品展示 ---- */
.products {
  padding: 100px 0;
}

.product-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.tab-btn:hover { color: var(--text-primary); background: var(--glass-hover); }

.tab-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--orb-2));
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}

.product-panels { position: relative; }

.product-panel {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.product-panel.active { display: grid; }

.panel-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-light);
  border-radius: 6px;
  font-size: 0.78rem;
  color: var(--accent-2);
  margin-bottom: 16px;
}

.panel-info h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.panel-info p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.8;
}

.feature-list { margin-bottom: 32px; }

.feature-list li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-2);
  font-weight: 700;
}

.btn-panel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--accent), var(--orb-2));
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
  transition: var(--transition);
}

.btn-panel:hover { transform: translateY(-2px); opacity: 0.9; }

/* Mockup */
.glass-mockup {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-glass);
}

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--glass-border);
}

.mockup-dots {
  display: flex;
  gap: 5px;
}

.mockup-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
}

.mockup-dots span:nth-child(1) { background: #ff5f57; }
.mockup-dots span:nth-child(2) { background: #febc2e; }
.mockup-dots span:nth-child(3) { background: #28c840; }

.mockup-title { font-size: 0.78rem; color: var(--text-muted); }

.mockup-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.tb-sep { flex: 1; }

.tb-ai {
  padding: 3px 10px;
  background: var(--accent-light);
  border-radius: 6px;
  color: var(--accent-2);
  font-size: 0.75rem;
  font-weight: 600;
}

.mockup-doc { padding: 20px; }

.doc-h1 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.doc-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.doc-p {
  height: 8px;
  background: var(--glass-border);
  border-radius: 4px;
  margin-bottom: 8px;
}

.doc-p.short { width: 60%; }
.doc-p.mid { width: 80%; }

.doc-h2 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-2);
  margin: 16px 0 10px;
}

/* Sheet mockup */
.mockup-sheet { padding: 16px; }

.sheet-header {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 8px;
  background: rgba(124,111,247,0.1);
  border-radius: 6px;
  margin-bottom: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-2);
}

.sheet-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border);
}

.sheet-row.alt { background: rgba(255,255,255,0.02); }
.sheet-row .green { color: var(--green); }
.sheet-row .red { color: var(--red); }

/* PPT mockup */
.ppt-mockup { display: flex; gap: 12px; padding: 16px; }

.ppt-slide {
  flex: 1;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--accent), var(--orb-2));
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
}

.ppt-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1), transparent 60%);
}

.ppt-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  position: relative;
  z-index: 1;
  margin-bottom: 8px;
}

.ppt-sub {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.7);
  position: relative;
  z-index: 1;
}

.ppt-deco {
  position: absolute;
  bottom: -20px; right: -20px;
  width: 80px; height: 80px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
}

.ppt-thumbs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 50px;
}

.thumb {
  height: 36px;
  background: var(--glass-border);
  border-radius: 4px;
}

.thumb.active {
  background: linear-gradient(135deg, var(--accent), var(--orb-2));
  opacity: 0.6;
}

/* PDF mockup */
.pdf-toolbar {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--glass-border);
}

.pdf-tool {
  padding: 4px 12px;
  background: var(--glass-bg);
  border-radius: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.pdf-tool.active {
  background: var(--accent-light);
  color: var(--accent-2);
}

.pdf-page { padding: 20px; display: flex; flex-direction: column; gap: 10px; }

.pdf-line {
  height: 8px;
  background: var(--glass-border);
  border-radius: 4px;
}

.pdf-highlight {
  height: 24px;
  background: rgba(124,111,247,0.15);
  border-left: 3px solid var(--accent);
  border-radius: 0 4px 4px 0;
  padding-left: 8px;
}

/* ---- 平台支持 ---- */
.platforms {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.platform-card {
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.platform-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,111,247,0.4);
}

.platform-icon {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-light);
  border-radius: 16px;
  color: var(--accent-2);
}

.platform-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.platform-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.platform-btn {
  display: inline-block;
  padding: 8px 18px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.platform-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent-2);
}

/* ---- 用户评价 ---- */
.testimonials {
  padding: 100px 0;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  padding: 32px 28px;
  transition: var(--transition);
}

.testimonial-card.featured {
  border-color: rgba(124,111,247,0.4);
  background: rgba(124,111,247,0.08);
}

.testimonial-card:hover { transform: translateY(-4px); }

.stars {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

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

.avatar {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--accent), var(--orb-2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}

.reviewer-info strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
}

.reviewer-info span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ---- 定价 ---- */
.pricing {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  padding: 36px 28px;
  position: relative;
  transition: var(--transition);
}

.pricing-card.featured {
  border-color: rgba(124,111,247,0.5);
  background: rgba(124,111,247,0.08);
  transform: scale(1.03);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: linear-gradient(135deg, var(--accent), var(--orb-2));
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

.plan-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.plan-price {
  margin-bottom: 28px;
}

.price {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-primary);
}

.period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-features { margin-bottom: 32px; }

.plan-features li {
  padding: 8px 0;
  padding-left: 22px;
  position: relative;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border);
}

.plan-features li.included::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

.plan-features li.excluded {
  opacity: 0.4;
}

.plan-features li.excluded::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: var(--red);
}

.btn-plan-primary {
  display: block;
  text-align: center;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--accent), var(--orb-2));
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
  transition: var(--transition);
}

.btn-plan-primary:hover { opacity: 0.88; transform: translateY(-2px); }

.btn-plan-free {
  display: block;
  text-align: center;
  padding: 12px 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.btn-plan-free:hover { background: var(--glass-hover); color: var(--text-primary); }

/* ---- CTA ---- */
.cta-section {
  padding: 80px 0;
}

.cta-card {
  padding: 60px 40px;
  text-align: center;
  background: linear-gradient(135deg, rgba(124,111,247,0.12), rgba(79,142,247,0.08));
  border-color: rgba(124,111,247,0.3);
}

.cta-card h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-card p {
  color: var(--text-secondary);
  margin-bottom: 36px;
  font-size: 1.05rem;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---- 页脚 ---- */
.footer {
  padding: 60px 0 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  padding: 6px 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-col a:hover { color: var(--accent-2); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.footer-bottom a {
  color: var(--accent-2);
}

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; position: fixed; top: 64px; left: 0; right: 0; background: var(--bg-base); border-bottom: 1px solid var(--glass-border); padding: 16px 24px; flex-direction: column; gap: 4px; }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: flex; }
  .adv-grid { grid-template-columns: 1fr; }
  .product-panel.active { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: none; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
}