/*
Theme Name: SaleFlow Theme
Theme URI: https://saleflow.app
Author: SaleFlow Team
Author URI: https://saleflow.app
Description: A premium, highly aesthetic dark-mode landing page theme for SaleFlow App. Features frosted glass effects, modern typography, and smooth animations.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: saleflow
Tags: dark, custom-colors, responsive-layout, translation-ready

This theme, like WordPress, is licensed under the GPL.
Use it to make something cool!
*/

/* 1. 字体引入与基础重置 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* 颜色系统 */
  --bg-color: #0B0F19;
  --bg-grid: rgba(79, 70, 229, 0.03);
  --card-bg: rgba(17, 24, 39, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(79, 70, 229, 0.4);
  
  --primary: #4F46E5;
  --primary-glow: rgba(79, 70, 229, 0.3);
  --primary-hover: #6366F1;
  --secondary: #F59E0B;
  --secondary-glow: rgba(245, 158, 11, 0.2);
  
  --text-main: #F3F4F6;
  --text-muted: #9CA3AF;
  --text-dark: #1F2937;
  
  /* 阴影与圆角 */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.7);
  
  /* 字体族 */
  --font-title: 'Outfit', 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  
  /* 转换动效 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--bg-color);
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 16px;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(245, 158, 11, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

/* 滚动条自定义 */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-hover);
}

/* 基础排版 */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: #fff;
  font-weight: 700;
  line-height: 1.2;
}

p {
  color: var(--text-muted);
  line-height: 1.6;
}

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

ul {
  list-style: none;
}

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

/* 常用样式工具 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px auto;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #FFF 0%, #A5B4FC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header p {
  font-size: 1.125rem;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: #fff;
  box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(79, 70, 229, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-appstore {
  background: #000;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 10px 20px;
}

.btn-appstore:hover {
  background: #111;
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* 2. 导航栏 (Header) */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(11, 15, 25, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  transition: var(--transition);
}

.header.scrolled {
  padding: 10px 0;
  background: rgba(8, 11, 19, 0.85);
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  transition: var(--transition);
}

.header.scrolled .container {
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}

.logo-dot {
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary);
  display: inline-block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-btn {
  margin-left: 10px;
}

/* 手机端菜单触发按钮 */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  margin: 6px 0;
  transition: var(--transition);
}

/* 3. Hero Section */
.hero {
  padding-top: 180px;
  padding-bottom: 120px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(79, 70, 229, 0.1);
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 100px;
  color: #A5B4FC;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  font-family: var(--font-title);
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--secondary);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--secondary);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #FFFFFF 0%, #C7D2FE 50%, #818CF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.appstore-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.appstore-info span:first-child {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.appstore-info span:last-child {
  font-size: 1.05rem;
  font-weight: 700;
  font-family: var(--font-title);
}

.hero-image-wrapper {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-glow {
  position: absolute;
  width: 110%;
  height: 110%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
}

.hero-image {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  transition: var(--transition-slow);
  animation: float 6s ease-in-out infinite;
}

.hero-image:hover {
  transform: scale(1.02) rotateY(-2deg);
  border-color: rgba(79, 70, 229, 0.3);
}

@keyframes float {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(0.5deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

/* 4. Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-bottom: 80px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: var(--transition);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, transparent 100%);
  opacity: 0;
  transition: var(--transition);
  z-index: 1;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--card-border-hover);
  box-shadow: 0 15px 40px rgba(79, 70, 229, 0.15);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(79, 70, 229, 0.1);
  border: 1px solid rgba(79, 70, 229, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  color: #A5B4FC;
  font-size: 1.5rem;
  position: relative;
  z-index: 2;
  transition: var(--transition);
}

.feature-card:hover .feature-icon-box {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 5px 15px var(--primary-glow);
  transform: scale(1.05);
}

.feature-card h3 {
  font-size: 1.35rem;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}

.feature-card p {
  font-size: 0.95rem;
  position: relative;
  z-index: 2;
  flex-grow: 1;
}

/* Feature Highlight Row */
.feature-highlight {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 70px;
  align-items: center;
  margin-top: 100px;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.4) 0%, rgba(11, 15, 25, 0.8) 100%);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 60px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.highlight-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.highlight-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: var(--transition-slow);
}

.feature-highlight:hover .highlight-image {
  transform: scale(1.03);
}

.highlight-content h3 {
  font-size: 2.25rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #FFF 0%, #C7D2FE 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.highlight-content p {
  font-size: 1.05rem;
  margin-bottom: 30px;
}

.highlight-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.highlight-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.check-icon {
  width: 22px;
  height: 22px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50%;
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
  margin-top: 2px;
}

.highlight-list-item div h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.highlight-list-item div p {
  font-size: 0.9rem;
}

/* 5. FAQ Section */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.faq-item:hover, .faq-item.active {
  border-color: rgba(79, 70, 229, 0.3);
  background: rgba(17, 24, 39, 0.9);
}

.faq-question {
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  font-size: 1.1rem;
  font-family: var(--font-title);
  color: #fff;
  transition: var(--transition);
}

.faq-toggle-icon {
  font-size: 1.25rem;
  transition: var(--transition);
  color: var(--text-muted);
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
  color: var(--primary-hover);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
  padding: 0 24px 24px 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 6. Support & Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 60px;
  align-items: stretch;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

.contact-info-top h3 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.contact-info-top p {
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(79, 70, 229, 0.1);
  border: 1px solid rgba(79, 70, 229, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #A5B4FC;
  font-size: 1.2rem;
}

.contact-detail-item div span {
  display: block;
}

.contact-detail-item div span:first-child {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-detail-item div span:last-child {
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
}

.contact-form-container {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(12px);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  background: rgba(11, 15, 25, 0.8);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-submit-btn {
  width: 100%;
}

.form-message {
  margin-top: 16px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34D399;
}

.form-message.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #F87171;
}

/* 7. Download Section */
.download-card {
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.8) 0%, rgba(79, 70, 229, 0.15) 100%);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.download-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.2) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
}

.download-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
  margin: 0 auto;
}

.download-content h2 {
  font-size: 3rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #FFF 0%, #C7D2FE 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.download-content p {
  font-size: 1.15rem;
  margin-bottom: 40px;
}

.download-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.qr-code-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.qr-placeholder {
  width: 120px;
  height: 120px;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.qr-placeholder svg {
  width: 100px;
  height: 100px;
}

.qr-code-box span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* 8. Footer */
.footer {
  background: #070A10;
  border-top: 1px solid var(--card-border);
  padding: 60px 0 30px 0;
  color: var(--text-muted);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand p {
  font-size: 0.9rem;
  margin-top: 16px;
}

.footer-links {
  display: flex;
  gap: 80px;
  flex-wrap: wrap;
}

.footer-links-col h4 {
  font-size: 0.95rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
}

.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links-col a {
  font-size: 0.9rem;
}

.footer-links-col a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.85rem;
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a:hover {
  color: #fff;
}

/* 9. 法律条款页面专项样式 */
.legal-page {
  padding-top: 140px;
  padding-bottom: 80px;
  max-width: 800px;
  margin: 0 auto;
}

.legal-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.legal-back-btn:hover {
  color: #fff;
}

.legal-header {
  margin-bottom: 40px;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 24px;
}

.legal-header h1 {
  font-size: 2.75rem;
  margin-bottom: 12px;
}

.legal-header p {
  font-size: 0.95rem;
}

.legal-content {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(12px);
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: 32px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 8px;
}

.legal-content p {
  margin-bottom: 16px;
  line-height: 1.7;
}

.legal-content ul {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 20px;
  color: var(--text-muted);
}

.legal-content li {
  margin-bottom: 8px;
  line-height: 1.6;
}

/* 10. 响应式布局媒体查询 */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  .hero-grid {
    gap: 40px;
  }
  .feature-highlight {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }
  .section-header h2 {
    font-size: 2rem;
  }
  .header .container {
    height: 70px;
  }
  
  /* 移动端菜单展开 */
  .menu-toggle {
    display: block;
    z-index: 101;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: #0B0F19;
    border-left: 1px solid var(--card-border);
    flex-direction: column;
    justify-content: center;
    gap: 40px;
    transition: var(--transition-slow);
    z-index: 100;
  }
  
  .nav-menu.active {
    right: 0;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  }
  
  .nav-btn {
    margin-left: 0;
  }
  
  /* 导航按钮展开旋转 */
  .menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .hero {
    padding-top: 140px;
    padding-bottom: 70px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-description {
    margin: 0 auto 30px auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-image-wrapper {
    order: -1;
    max-width: 480px;
    margin: 0 auto;
  }
  
  .download-card {
    padding: 50px 30px;
  }
  .download-content h2 {
    font-size: 2.25rem;
  }
  .footer-links {
    gap: 40px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .btn-appstore {
    justify-content: center;
  }
  .footer-links {
    flex-direction: column;
    gap: 30px;
  }
  .legal-content {
    padding: 24px;
  }
}