/* 樱花视频 - 主样式文件 */
/* 现代极简高端风格 */

:root {
  --primary: #e8637a;
  --primary-light: #f5a0b0;
  --primary-dark: #c94060;
  --accent: #f7c5cf;
  --bg: #ffffff;
  --bg-soft: #fdf6f7;
  --bg-dark: #1a1a2e;
  --text: #1a1a2e;
  --text-muted: #6b7280;
  --text-light: #9ca3af;
  --border: #f0e0e4;
  --shadow: 0 4px 24px rgba(232,99,122,0.08);
  --shadow-lg: 0 12px 48px rgba(232,99,122,0.14);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
}

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

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

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

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

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow); }

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.92rem;
  color: var(--text-muted);
  transition: all var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--primary);
  background: var(--accent);
}

/* Search Bar */
.header-search {
  flex: 1;
  max-width: 320px;
  position: relative;
}
.header-search input {
  width: 100%;
  padding: 8px 16px 8px 40px;
  border: 1.5px solid var(--border);
  border-radius: 24px;
  font-size: 0.88rem;
  font-family: var(--font);
  background: var(--bg-soft);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition);
}
.header-search input:focus { border-color: var(--primary-light); }
.header-search .search-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 0.9rem;
  pointer-events: none;
}
.search-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 12px 0;
  z-index: 100;
}
.search-dropdown.show { display: block; }
.search-dropdown p {
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.header-btn {
  margin-left: auto;
  padding: 8px 20px;
  background: var(--primary);
  color: #fff;
  border-radius: 24px;
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.header-btn:hover { background: var(--primary-dark); transform: translateY(-1px); }

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text);
  font-size: 1.4rem;
  margin-left: auto;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #fdf2f4 0%, #fce7ea 50%, #f8d7dc 100%);
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(255,255,255,0.85) 45%, rgba(255,255,255,0.1) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
  width: 100%;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--accent);
  color: var(--primary-dark);
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.03em;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 20px;
  max-width: 600px;
}
.hero h1 span { color: var(--primary); }
.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  padding: 14px 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 700;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 6px 20px rgba(232,99,122,0.3);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(232,99,122,0.4); }
.btn-outline {
  padding: 14px 32px;
  border: 2px solid var(--primary);
  color: var(--primary);
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stat { text-align: left; }
.hero-stat .num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.hero-stat .label { font-size: 0.82rem; color: var(--text-muted); margin-top: 4px; }

/* ===== SECTION COMMON ===== */
section { padding: 80px 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--accent);
  color: var(--primary-dark);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.3;
}
.section-title span { color: var(--primary); }
.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.8;
}
.section-header { margin-bottom: 48px; }
.section-header.center { text-align: center; }
.section-header.center .section-desc { margin: 0 auto; }

/* ===== INTRO SECTION ===== */
.intro-section { background: var(--bg-soft); }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.intro-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.intro-img img { width: 100%; height: 380px; object-fit: cover; }
.intro-features { display: flex; flex-direction: column; gap: 20px; margin-top: 28px; }
.intro-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.intro-feature-icon {
  width: 44px;
  height: 44px;
  background: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.2rem;
  flex-shrink: 0;
}
.intro-feature h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.intro-feature p { font-size: 0.85rem; color: var(--text-muted); }

/* ===== FEATURES SECTION ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent), #fff);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--primary);
}
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }
.feature-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-top: 20px;
}

/* ===== VIDEO SECTION ===== */
.video-section { background: var(--bg-soft); }
.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.video-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  cursor: pointer;
}
.video-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #f0e0e4;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.25);
  opacity: 0;
  transition: opacity var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-circle {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.3rem;
  transform: scale(0.85);
  transition: transform var(--transition);
}
.video-card:hover .play-circle { transform: scale(1); }
.video-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 10px;
  background: var(--primary);
  color: #fff;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
}
.video-info { padding: 14px 16px 16px; }
.video-info h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.video-meta {
  display: flex;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-light);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ===== STATS SECTION ===== */
.stats-section {
  background: linear-gradient(135deg, var(--bg-dark) 0%, #2d1b3d 100%);
  color: #fff;
  padding: 80px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item { padding: 20px; }
.stat-num {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.7); }
.stat-icon { font-size: 2rem; margin-bottom: 12px; opacity: 0.8; }

/* ===== REVIEWS SECTION ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}
.review-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.review-stars { color: #f59e0b; font-size: 0.9rem; margin-bottom: 14px; letter-spacing: 2px; }
.review-text { font-size: 0.9rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 18px; }
.review-user { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
}
.review-name { font-size: 0.88rem; font-weight: 700; }
.review-date { font-size: 0.78rem; color: var(--text-light); }

/* ===== FAQ SECTION ===== */
.faq-section { background: var(--bg-soft); }
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--primary-light); }
.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color var(--transition);
}
.faq-item.open .faq-question { color: var(--primary); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.9rem;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}
.faq-item.open .faq-answer { max-height: 200px; padding: 0 24px 20px; }
.faq-answer p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; }

/* ===== CONTACT SECTION ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}
.contact-info h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 16px; }
.contact-info p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 28px; }
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item { display: flex; align-items: center; gap: 14px; }
.contact-item-icon {
  width: 44px;
  height: 44px;
  background: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-text .label { font-size: 0.78rem; color: var(--text-light); margin-bottom: 2px; }
.contact-item-text .value { font-size: 0.9rem; font-weight: 600; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--text-muted); }
.form-group input, .form-group textarea, .form-group select {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-soft);
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--primary-light);
  background: #fff;
}
.form-group textarea { min-height: 110px; }
.form-submit {
  padding: 14px 32px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 32px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
  align-self: flex-start;
}
.form-submit:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.8; opacity: 0.7; max-width: 260px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.social-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: background var(--transition);
  color: rgba(255,255,255,0.8);
}
.social-btn:hover { background: var(--primary); color: #fff; }
.footer-col h4 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.85rem;
  opacity: 0.65;
  transition: opacity var(--transition);
}
.footer-col ul li a:hover { opacity: 1; color: var(--primary-light); }
.footer-bottom {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  opacity: 0.55;
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { opacity: 0.5; }

/* ===== PAGE HERO ===== */
.page-hero {
  background: linear-gradient(135deg, var(--bg-soft), var(--accent));
  padding: 64px 0 48px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 12px; }
.page-hero p { font-size: 1rem; color: var(--text-muted); max-width: 480px; margin: 0 auto; }

/* ===== DOWNLOAD PAGE ===== */
.download-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.download-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
}
.download-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.download-card .dl-icon { font-size: 2.8rem; margin-bottom: 16px; }
.download-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.download-card p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 24px; }
.download-card .btn-dl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 700;
  transition: all var(--transition);
}
.download-card .btn-dl:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ===== TUTORIAL PAGE ===== */
.tutorial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tutorial-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.tutorial-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.tutorial-card img { width: 100%; height: 180px; object-fit: cover; }
.tutorial-card-body { padding: 20px; }
.tutorial-card-body .tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent);
  color: var(--primary-dark);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.tutorial-card-body h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.tutorial-card-body p { font-size: 0.83rem; color: var(--text-muted); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.6s ease forwards; }
.fade-in-delay-1 { animation-delay: 0.1s; opacity: 0; }
.fade-in-delay-2 { animation-delay: 0.2s; opacity: 0; }
.fade-in-delay-3 { animation-delay: 0.3s; opacity: 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .intro-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-nav, .header-search, .header-btn { display: none; }
  .mobile-menu-btn { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .download-cards { grid-template-columns: 1fr; }
  .tutorial-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  section { padding: 56px 0; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 2rem; }
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}
.mobile-nav-overlay.show { display: block; }
.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: #fff;
  z-index: 1001;
  padding: 24px;
  transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}
.mobile-nav-panel.show { right: 0; }
.mobile-nav-panel .close-btn {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  margin-bottom: 24px;
  color: var(--text);
}
.mobile-nav-panel a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--text);
}
.mobile-nav-panel a:hover { color: var(--primary); }