/* ===== Star语音派对官网样式 ===== */
:root {
  --bg-primary: #0d0e1a;
  --bg-secondary: #171835;
  --bg-card: rgba(26, 27, 55, 0.85);
  --bg-card-hover: rgba(36, 38, 75, 0.95);
  --text-primary: #efeaff;
  --text-secondary: rgba(239, 234, 255, 0.65);
  --text-muted: rgba(239, 234, 255, 0.4);
  --accent-teal: #2bf1d9;
  --accent-pink: #ff4a7c;
  --accent-purple: #F874F1;
  --accent-blue: #68F4EC;
  --accent-gold: #ffd34d;
  --gradient-main: linear-gradient(135deg, #FF6B9D 0%, #F874F1 50%, #68F4EC 100%);
  --gradient-warm: linear-gradient(135deg, #ffe7cd 0%, #fbb79f 100%);
  --gradient-gold: linear-gradient(135deg, #FFD09E 0%, #E9E493 100%);
  --border-color: rgba(239, 234, 255, 0.08);
  --shadow-glow: 0 0 60px rgba(104, 244, 236, 0.15);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

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

.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 24px rgba(248, 116, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(248, 116, 241, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid rgba(239, 234, 255, 0.25);
}

.btn-outline:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(13, 14, 26, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
}

.logo-icon svg {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-size: 15px;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: var(--transition);
  border-radius: 1px;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  font-size: 14px;
}

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

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

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

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: rgba(248, 116, 241, 0.25);
  top: -10%;
  right: -5%;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: rgba(104, 244, 236, 0.2);
  bottom: 10%;
  left: -10%;
  animation-delay: -3s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: rgba(255, 74, 124, 0.15);
  top: 40%;
  left: 30%;
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--bg-primary), transparent);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 60px 24px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(104, 244, 236, 0.1);
  border: 1px solid rgba(104, 244, 236, 0.25);
  border-radius: 50px;
  font-size: 13px;
  color: var(--accent-teal);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--accent-pink);
  font-weight: 500;
  margin-bottom: 16px;
  font-style: italic;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.8;
}

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

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

.stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border-color);
}

/* Phone Mockup */
.hero-visual {
  display: flex;
  justify-content: center;
  perspective: 1000px;
}

.phone-mockup {
  animation: phoneFloat 6s ease-in-out infinite;
}

@keyframes phoneFloat {
  0%, 100% { transform: translateY(0) rotateY(-5deg); }
  50% { transform: translateY(-15px) rotateY(-5deg); }
}

.phone-frame {
  width: 280px;
  height: 580px;
  background: linear-gradient(145deg, #2a2b4a, #1a1b35);
  border-radius: 40px;
  padding: 12px;
  box-shadow:
    0 40px 80px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.08),
    var(--shadow-glow);
  position: relative;
}

.phone-notch {
  width: 100px;
  height: 24px;
  background: #0d0e1a;
  border-radius: 0 0 16px 16px;
  margin: 0 auto 8px;
}

.phone-screen {
  background: var(--bg-secondary);
  border-radius: 28px;
  height: calc(100% - 32px);
  overflow: hidden;
  position: relative;
}

.room-preview {
  padding: 16px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.room-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.room-tag {
  font-size: 11px;
  color: var(--accent-pink);
}

.room-name {
  font-size: 16px;
  font-weight: 700;
}

.room-online {
  font-size: 11px;
  color: var(--text-muted);
}

.mic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  flex: 1;
}

.mic-seat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
}

.mic-seat .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3a3b6a, #2a2b4a);
  border: 2px solid rgba(239, 234, 255, 0.15);
}

.mic-seat.host .avatar {
  border-color: var(--accent-gold);
  background: linear-gradient(135deg, #ffd34d33, #ff6b9d33);
}

.mic-seat.active .avatar {
  border-color: var(--accent-teal);
  box-shadow: 0 0 16px rgba(43, 241, 217, 0.4);
}

.mic-seat.empty {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px dashed rgba(239, 234, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 18px;
}

.mic-name {
  font-size: 10px;
  color: var(--text-secondary);
}

.sound-wave {
  display: flex;
  gap: 2px;
  align-items: flex-end;
  height: 12px;
  position: absolute;
  bottom: 18px;
}

.sound-wave span {
  width: 3px;
  background: var(--accent-teal);
  border-radius: 2px;
  animation: wave 0.8s ease-in-out infinite;
}

.sound-wave span:nth-child(1) { height: 6px; animation-delay: 0s; }
.sound-wave span:nth-child(2) { height: 10px; animation-delay: 0.15s; }
.sound-wave span:nth-child(3) { height: 8px; animation-delay: 0.3s; }
.sound-wave span:nth-child(4) { height: 12px; animation-delay: 0.45s; }

@keyframes wave {
  0%, 100% { transform: scaleY(0.5); }
  50% { transform: scaleY(1); }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 211, 77, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(255, 211, 77, 0); }
}

.chat-bubble {
  margin-top: auto;
  padding: 8px 12px;
  background: rgba(104, 244, 236, 0.1);
  border-radius: 12px;
  font-size: 11px;
  color: var(--accent-teal);
  animation: slideUp 3s ease-in-out infinite;
}

@keyframes slideUp {
  0%, 100% { opacity: 0.6; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-4px); }
}

.gift-float {
  position: absolute;
  font-size: 20px;
  animation: giftFloat 4s ease-in-out infinite;
}

.gift-float { top: 30%; right: 15%; }
.gift-float.g2 { top: 50%; right: 25%; animation-delay: -2s; font-size: 16px; }

@keyframes giftFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.7; }
  50% { transform: translateY(-20px) rotate(15deg); opacity: 1; }
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== Sections ===== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(248, 116, 241, 0.1);
  border: 1px solid rgba(248, 116, 241, 0.2);
  border-radius: 50px;
  font-size: 13px;
  color: var(--accent-purple);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== Features ===== */
.features {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: rgba(104, 244, 236, 0.15);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent, var(--accent-teal));
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Rooms ===== */
.rooms {
  background: var(--bg-primary);
}

.room-showcase {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.room-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: none;
}

.room-tabs::-webkit-scrollbar { display: none; }

.room-tab {
  flex: 1;
  min-width: 100px;
  padding: 18px 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-family);
  position: relative;
  white-space: nowrap;
}

.room-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.room-tab.active {
  color: var(--accent-teal);
}

.room-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 3px;
  background: var(--gradient-main);
  border-radius: 3px 3px 0 0;
}

.room-panel {
  display: none;
  padding: 48px;
  animation: fadeIn 0.4s ease;
}

.room-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.room-panel-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.room-panel-text h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.room-panel-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.room-features-list li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  font-size: 14px;
  color: var(--text-secondary);
}

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

/* Room Visuals */
.room-panel-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  position: relative;
}

.radio-visual .radio-disc {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #2a2b4a, #ff6b9d, #68F4EC, #2a2b4a);
  animation: spin 4s linear infinite;
  position: relative;
}

.radio-visual .radio-disc::after {
  content: '';
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  background: var(--bg-secondary);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.radio-waves {
  position: absolute;
  display: flex;
  gap: 8px;
}

.radio-waves span {
  width: 4px;
  height: 40px;
  background: var(--accent-teal);
  border-radius: 4px;
  animation: wave 1s ease-in-out infinite;
}

.radio-waves span:nth-child(2) { animation-delay: 0.2s; height: 60px; }
.radio-waves span:nth-child(3) { animation-delay: 0.4s; height: 30px; }

.pk-visual {
  gap: 24px;
}

.pk-side {
  padding: 24px 32px;
  border-radius: var(--radius-md);
  font-size: 18px;
  font-weight: 700;
}

.pk-side.red {
  background: rgba(255, 74, 124, 0.15);
  color: var(--accent-pink);
  border: 1px solid rgba(255, 74, 124, 0.3);
}

.pk-side.blue {
  background: rgba(104, 244, 236, 0.15);
  color: var(--accent-teal);
  border: 1px solid rgba(104, 244, 236, 0.3);
}

.pk-vs {
  font-size: 28px;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sing-visual .mic-icon {
  font-size: 64px;
  z-index: 1;
}

.sing-visual .note {
  position: absolute;
  font-size: 28px;
  animation: noteFloat 3s ease-in-out infinite;
}

.note.n1 { top: 10%; left: 20%; animation-delay: 0s; }
.note.n2 { top: 20%; right: 15%; animation-delay: -1s; }
.note.n3 { bottom: 15%; left: 30%; animation-delay: -2s; }

@keyframes noteFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.6; }
  50% { transform: translateY(-15px) rotate(10deg); opacity: 1; }
}

.love-visual .heart {
  position: absolute;
  font-size: 36px;
  animation: heartBeat 2s ease-in-out infinite;
}

.heart.h1 { font-size: 48px; }
.heart.h2 { top: 10%; right: 25%; animation-delay: -0.5s; font-size: 28px; }
.heart.h3 { bottom: 10%; left: 20%; animation-delay: -1s; font-size: 32px; }

@keyframes heartBeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.order-visual {
  flex-direction: column;
  gap: 12px;
}

.order-card {
  padding: 14px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: var(--transition);
  cursor: default;
}

.order-card:hover {
  border-color: var(--accent-purple);
  background: rgba(248, 116, 241, 0.08);
}

/* ===== Social ===== */
.social {
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(23, 24, 53, 0.5) 100%);
}

.social-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.social-content .section-tag,
.social-content .section-title,
.social-content .section-desc {
  text-align: left;
  margin-left: 0;
}

.social-highlights {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.highlight-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.highlight-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.highlight-item strong {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
}

.highlight-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.rank-board {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(10px);
}

.rank-header {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 24px;
  text-align: center;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.rank-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.rank-1 .rank-num { background: var(--gradient-gold); color: #1a1b35; }
.rank-2 .rank-num { background: linear-gradient(135deg, #c0c0c0, #e8e8e8); color: #1a1b35; }
.rank-3 .rank-num { background: linear-gradient(135deg, #cd7f32, #e8a862); color: #1a1b35; }

.rank-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
}

.rank-avatar.gold { background: linear-gradient(135deg, #ffd34d, #ff6b9d); }
.rank-avatar.silver { background: linear-gradient(135deg, #c0c0c0, #68F4EC); }
.rank-avatar.bronze { background: linear-gradient(135deg, #cd7f32, #F874F1); }

.rank-name {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
}

.rank-score {
  font-size: 12px;
  color: var(--accent-teal);
}

/* ===== Download ===== */
.download {
  padding-bottom: 120px;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 64px;
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(248, 116, 241, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.download-content .section-tag,
.download-content .section-title,
.download-content .section-desc {
  text-align: left;
  margin-left: 0;
}

.download-buttons {
  display: flex;
  gap: 16px;
  margin: 32px 0 20px;
  flex-wrap: wrap;
}

.download-apk {
  min-width: 200px;
  justify-content: center;
}

.download-tip {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 64px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 64px;
  margin-bottom: 48px;
}

.footer-slogan {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: var(--transition);
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-disclaimer {
  margin-top: 8px;
  font-size: 11px !important;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.footer-beian {
  margin-top: 12px;
}

.footer-beian a {
  font-size: 12px;
  color: #c5b481;
  transition: var(--transition);
}

.footer-beian a:hover {
  color: #e0d4a8;
  text-decoration: underline;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .phone-frame { width: 240px; height: 500px; }

  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .room-panel-content { grid-template-columns: 1fr; }
  .social-layout { grid-template-columns: 1fr; }
  .download-card { padding: 40px; }
  .footer-top { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(13, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links.open li a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-color);
  }

  .menu-toggle { display: flex; }

  .feature-grid { grid-template-columns: 1fr; }
  .room-panel { padding: 28px 20px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .download-buttons { flex-direction: column; }
  .download-apk { width: 100%; }
  .section { padding: 72px 0; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 32px; }
  .hero-stats { gap: 20px; }
  .stat-num { font-size: 22px; }
  .footer-links { grid-template-columns: 1fr; }
}