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

body {
  background: #f8f9fa;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #1a1a1a;
  min-height: 100vh;
  padding-bottom: 100px;
}

/* ══ HEADER ══ */
.terms-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid #F3F4F6;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  gap: 12px;
}

.header-back {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1.5px solid #E5E7EB;
  color: #1a1a1a;
  text-decoration: none;
  transition: background 0.15s;
  flex-shrink: 0;
}
.header-back:hover { background: #F9FAFB; }

.header-title {
  font-size: 17px;
  font-weight: 800;
  color: #000A23;
  text-align: center;
  flex: 1;
}

/* ══ HERO ══ */
.terms-hero {
  background: linear-gradient(180deg, #000A23 0%, #0f1f4a 100%);
  padding: 40px 20px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.terms-hero::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(244,180,0,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.terms-hero::after {
  content: '';
  position: absolute;
  bottom: -40px; left: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(244,180,0,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.terms-hero-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
}

.terms-hero-title {
  font-size: 30px;
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.terms-hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.8);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
}

.terms-hero-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  max-width: 340px;
  margin: 0 auto;
}

/* ══ TABLE OF CONTENTS ══ */
.toc-section {
  background: #fff;
  margin: 16px;
  border-radius: 20px;
  padding: 20px;
  border: 1px solid #E5E7EB;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.toc-heading {
  font-size: 14px;
  font-weight: 800;
  color: #000A23;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.toc-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  text-decoration: none;
  color: #374151;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid #F3F4F6;
  background: #F9FAFB;
  transition: all 0.15s;
  line-height: 1.3;
}

.toc-item:hover,
.toc-item:active {
  background: #000A23;
  color: #fff;
  border-color: #000A23;
}

.toc-num {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: #000A23;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.toc-item:hover .toc-num,
.toc-item:active .toc-num {
  background: rgba(255,255,255,0.2);
}

/* ══ MAIN ══ */
.terms-main {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0 16px 24px;
}

/* ══ SECTION CARD ══ */
.terms-section {
  background: #fff;
  border-radius: 20px;
  margin-bottom: 12px;
  border: 1px solid #E5E7EB;
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.terms-section:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
}

.section-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

.section-num-badge {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #000A23;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.section-title-wrap { flex: 1; min-width: 0; }

.section-title {
  font-size: 15px;
  font-weight: 800;
  color: #000A23;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 12px;
  color: #9CA3AF;
  margin-top: 2px;
  font-weight: 500;
}

.section-chevron {
  color: #9CA3AF;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.22,1,0.36,1);
}

.terms-section.open .section-chevron {
  transform: rotate(180deg);
}

.section-body {
  display: none;
  padding: 0 18px 20px;
  border-top: 1px solid #F3F4F6;
  animation: expandIn 0.3s ease;
}

.terms-section.open .section-body {
  display: block;
}

@keyframes expandIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-text {
  font-size: 14px;
  line-height: 1.75;
  color: #374151;
  padding-top: 16px;
}

.section-text p { margin-bottom: 12px; }
.section-text p:last-child { margin-bottom: 0; }
.section-text strong { color: #000A23; font-weight: 700; }

/* ══ SUB GROUP ══ */
.sub-group {
  margin-top: 16px;
  border: 1px solid #F3F4F6;
  border-radius: 14px;
  overflow: hidden;
}

.sub-group-title {
  font-size: 13px;
  font-weight: 800;
  color: #000A23;
  padding: 12px 14px;
  background: #F9FAFB;
  border-bottom: 1px solid #F3F4F6;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sub-group-title-icon { font-size: 16px; }

.sub-group-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.sub-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: #4B5563;
  line-height: 1.5;
}

.sub-item::before {
  content: '→';
  color: #f4b400;
  font-weight: 700;
  flex-shrink: 0;
  font-size: 12px;
  margin-top: 1px;
}

/* ══ ALERT BOX ══ */
.alert-box {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.6;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.alert-box.warning {
  background: #FFF8E7;
  border: 1px solid #f4b400;
  color: #92400e;
}

.alert-box.info {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  color: #1e40af;
}

.alert-box.danger {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: #991b1b;
}

.alert-box.success {
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  color: #166534;
}

.alert-icon { font-size: 18px; flex-shrink: 0; }
.alert-text { font-weight: 500; }

/* ══ CONTACT CARD ══ */
.contact-card {
  margin-top: 16px;
  background: linear-gradient(135deg, #000A23, #1a2a5e);
  border-radius: 16px;
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.contact-card-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.12);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.contact-card-info { flex: 1; min-width: 0; }

.contact-card-info h4 {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 3px;
}

.contact-card-info p {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
}

.contact-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f4b400;
  color: #000;
  font-size: 13px;
  font-weight: 800;
  padding: 10px 18px;
  border-radius: 100px;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.contact-card-link:hover { opacity: 0.85; }

/* ══ FINAL NOTICE ══ */
.final-agreement {
  background: #000A23;
  margin: 0 0 12px;
  border-radius: 20px;
  padding: 28px 20px;
  text-align: center;
  border: 1px solid #1a2a5e;
}

.final-agreement-icon {
  font-size: 40px;
  margin-bottom: 12px;
  display: block;
}

.final-agreement h3 {
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 10px;
}

.final-agreement p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  margin-bottom: 18px;
}

.agree-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f4b400;
  color: #000;
  font-size: 14px;
  font-weight: 800;
  padding: 12px 24px;
  border-radius: 100px;
}

/* ══ BOTTOM NAV ══ */
.bottom-nav {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 24px);
  max-width: 640px;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 4px 28px rgba(0,0,0,0.11);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 10px 8px;
  z-index: 100;
}

.bnav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-decoration: none;
  color: #9CA3AF;
  font-size: 11px;
  font-weight: 500;
  min-width: 48px;
  transition: color 0.2s;
}

.bnav-item svg { stroke: #9CA3AF; transition: stroke 0.2s; }
.bnav-item.active { color: #000A23; }
.bnav-item.active svg { stroke: #000A23; }

/* ══ DARK MODE ══ */
body.dark { background: #000; }
body.dark .terms-header { background: #111; border-bottom-color: #222; }
body.dark .header-title { color: #E5E7EB; }
body.dark .header-back { background: #1a1a1a; border-color: #333; color: #E5E7EB; }
body.dark .toc-section { background: #111; border-color: #222; }
body.dark .toc-heading { color: #E5E7EB; }
body.dark .toc-item { background: #1a1a1a; border-color: #262626; color: #E5E7EB; }
body.dark .terms-section { background: #111; border-color: #222; }
body.dark .section-title { color: #E5E7EB; }
body.dark .section-subtitle { color: #6B7280; }
body.dark .section-body { border-top-color: #222; }
body.dark .section-text { color: #9CA3AF; }
body.dark .section-text strong { color: #E5E7EB; }
body.dark .sub-group { border-color: #262626; }
body.dark .sub-group-title { background: #1a1a1a; border-color: #262626; color: #E5E7EB; }
body.dark .sub-item { color: #9CA3AF; }
body.dark .bottom-nav { background: #111; }
body.dark .bnav-item { color: #6B7280; }
body.dark .bnav-item svg { stroke: #6B7280; }
body.dark .bnav-item.active { color: #E5E7EB; }
body.dark .bnav-item.active svg { stroke: #E5E7EB; }