/* ============================================
   共识 - 地点真实性验证社区 官方网站
   皋珝网络科技
   ============================================ */

/* === Splash Screen (Fixed Overlay) === */
.splash {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 9999;
  background: #1a0e08;
  will-change: transform;
  touch-action: none;
  cursor: grab;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.splash * {
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
  pointer-events: none;
}

.splash img {
  -webkit-user-drag: none;
  user-drag: none;
}

/* dismiss 状态通过 JS 内联样式控制 */

.splash-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

/* 橙色地球 — 三层渐变叠加模拟 */
.splash-bg::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 140vmin;
  height: 140vmin;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(ellipse at 35% 40%, rgba(255,180,120,0.45) 0%, transparent 50%),
    radial-gradient(ellipse at 65% 55%, rgba(242,122,79,0.35) 0%, transparent 55%),
    radial-gradient(circle at 50% 50%, rgba(255,143,107,0.50) 0%, rgba(242,122,79,0.30) 30%, rgba(180,70,30,0.20) 55%, rgba(40,15,5,0.10) 75%, transparent 100%);
  filter: blur(40px);
  animation: splashGlobeFloat 8s ease-in-out infinite;
}

/* 表面纹理层 */
.splash-bg::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 110vmin;
  height: 110vmin;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(255,220,180,0.15) 0%, transparent 40%),
    radial-gradient(ellipse at 70% 60%, rgba(255,160,100,0.10) 0%, transparent 35%),
    radial-gradient(ellipse at 45% 70%, rgba(200,80,40,0.12) 0%, transparent 30%),
    radial-gradient(ellipse at 60% 35%, rgba(255,200,150,0.10) 0%, transparent 25%);
  filter: blur(25px);
  animation: splashGlobeFloat 8s ease-in-out infinite reverse;
}

/* 外圈光晕 */
.splash-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 160vmin;
  height: 160vmin;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242,122,79,0.08) 0%, rgba(242,122,79,0.03) 40%, transparent 70%);
  z-index: 0;
}

@keyframes splashGlobeFloat {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.04); }
}

.splash-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.splash-logo {
  width: 140px;
  height: 140px;
  border-radius: 32px;
  box-shadow:
    0 0 60px rgba(242,122,79,0.4),
    0 0 120px rgba(242,122,79,0.15),
    0 20px 40px rgba(0,0,0,0.3);
  animation: splashLogoIn 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes splashLogoIn {
  0% { opacity: 0; transform: scale(0.7) translateY(20px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

.splash-title {
  font-size: 28px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.1em;
  opacity: 0;
  animation: splashFadeIn 0.8s 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.splash-subtitle {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
  opacity: 0;
  animation: splashFadeIn 0.8s 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes splashFadeIn {
  0% { opacity: 0; transform: translateY(10px); }
  100% { opacity: 1; transform: translateY(0); }
}

.splash-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  animation: splashFadeIn 0.8s 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.splash-scroll-hint span {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.05em;
  text-align: center;
}

.splash-scroll-arrow {
  display: block;
  width: 24px;
  height: 24px;
  animation: splashBounceUp 2s ease-in-out infinite;
}

.splash-scroll-arrow svg {
  display: block;
  width: 24px;
  height: 24px;
}

@keyframes splashBounceUp {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(-6px); opacity: 1; }
}

/* Splash drag indicator */
.splash-drag-bar {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 5px;
  border-radius: 3px;
  background: rgba(255,255,255,0.25);
  z-index: 3;
}

@media (max-width: 640px) {
  .splash-logo {
    width: 110px;
    height: 110px;
    border-radius: 26px;
  }
  .splash-title {
    font-size: 24px;
  }
}

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

:root {
  /* Brand */
  --brand: #F27A4F;
  --brand-light: #FF8F6B;
  --brand-dark: #D9663C;
  --brand-bg: rgba(242, 122, 79, 0.08);
  --brand-bg-hover: rgba(242, 122, 79, 0.14);

  /* Black & White base */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-tertiary: #F3F4F6;
  --bg-card: #FFFFFF;
  --bg-dark: #111111;
  --text-primary: #111111;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;
  --text-white: #FFFFFF;
  --border: #E5E7EB;
  --border-light: #F3F4F6;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Spacing */
  --section-gap: 100px;
  --container-max: 1200px;
  --nav-height: 72px;

  /* Transition */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #FF8F6B;
    --brand-dark: #F27A4F;
    --brand-bg: rgba(255, 143, 107, 0.1);
    --brand-bg-hover: rgba(255, 143, 107, 0.18);
    --bg-primary: #0A0A0A;
    --bg-secondary: #111111;
    --bg-tertiary: #1A1A1A;
    --bg-card: #161616;
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-muted: #6B7280;
    --border: #2A2A2A;
    --border-light: #1F1F1F;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.5);
  }
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol { list-style: none; }

/* === Container === */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* === Navigation === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: background var(--transition), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
}

@media (prefers-color-scheme: dark) {
  .nav {
    background: rgba(10,10,10,0.85);
  }
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--brand);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: white;
}

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

.nav-links a {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--brand);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--brand);
  border-radius: 1px;
}

/* Mobile Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

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

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 16px; }
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--brand);
  color: white;
  border-color: var(--brand);
}

.btn-primary:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(242, 122, 79, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  background: var(--bg-secondary);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

/* === Hero === */
.hero {
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: var(--section-gap);
  text-align: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(242,122,79,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--brand-bg);
  color: var(--brand);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero h1 .brand-text {
  color: var(--brand);
}

.hero .subtitle {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

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

/* === Sections === */
.section {
  padding: var(--section-gap) 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-header p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* === Cards === */
.card-grid {
  display: grid;
  gap: 24px;
}

.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .card-grid-3,
  .card-grid-2,
  .card-grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand);
}

.card-icon {
  width: 52px;
  height: 52px;
  background: var(--brand-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === Category Tags === */
.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition);
}

.tag:hover {
  background: var(--brand-bg);
  border-color: var(--brand);
  color: var(--brand);
}

/* === Stats === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-item {
  text-align: center;
  padding: 32px 16px;
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--brand);
  line-height: 1.2;
}

.stat-label {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* === Level System === */
.level-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

@media (max-width: 1024px) {
  .level-list { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .level-list { grid-template-columns: repeat(2, 1fr); }
}

.level-item {
  text-align: center;
  padding: 24px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

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

.level-icon {
  font-size: 36px;
  margin-bottom: 8px;
}

.level-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.level-num {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* === FAQ / Accordion === */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  font-family: inherit;
  transition: color var(--transition);
}

.faq-question:hover { color: var(--brand); }

.faq-question .arrow {
  font-size: 20px;
  transition: transform var(--transition);
  color: var(--text-muted);
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.faq-item.open .faq-answer { display: block; }

/* === Contact Form === */
.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--brand);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* === Info Blocks === */
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 768px) {
  .info-grid { grid-template-columns: 1fr; }
}

.info-block {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.info-block .icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.info-block h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.info-block p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.info-block a {
  color: var(--brand);
  font-weight: 600;
}

.info-block a:hover { text-decoration: underline; }

/* === Legal / Article text === */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 24px;
  font-weight: 700;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.legal-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.legal-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.legal-content ul {
  margin-bottom: 16px;
  padding-left: 24px;
}

.legal-content ul li {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  list-style: disc;
  margin-bottom: 4px;
}

.legal-content .update-date {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

/* === Page Hero (sub pages) === */
.page-hero {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 60px;
  text-align: center;
  background: var(--bg-secondary);
}

.page-hero h1 {
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.page-hero p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* === CTA Banner === */
.cta-banner {
  padding: 80px 0;
  text-align: center;
  background: var(--bg-dark);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(242,122,79,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-banner p {
  font-size: 17px;
  color: #9CA3AF;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* === Footer === */
.footer {
  background: var(--bg-dark);
  color: #D1D5DB;
  padding: 64px 0 32px;
}

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

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand .brand-name {
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand .brand-name .logo-icon {
  width: 32px;
  height: 32px;
  background: var(--brand);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: white;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: #9CA3AF;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: #9CA3AF;
  margin-bottom: 10px;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid #2A2A2A;
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13px;
  color: #6B7280;
}

.footer-bottom a {
  color: #6B7280;
  transition: color var(--transition);
}

.footer-bottom a:hover { color: #9CA3AF; }

/* === Utility === */
.text-center { text-align: center; }
.text-brand { color: var(--brand); }
.mb-0 { margin-bottom: 0; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }

/* === Feature Detail Row === */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.feature-row:last-child { margin-bottom: 0; }

.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }

@media (max-width: 768px) {
  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
    direction: ltr;
  }
}

.feature-text .feature-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.feature-text h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.feature-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.feature-text ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-text ul li {
  font-size: 15px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-text ul li::before {
  content: '✓';
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
}

.feature-visual {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  border: 1px solid var(--border);
}

.feature-visual .big-emoji {
  font-size: 80px;
}

/* === Timeline (About page) === */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 768px) {
  .value-grid { grid-template-columns: repeat(2, 1fr); }
}

.value-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.value-item .icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.value-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

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

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}