:root {
  --color-bg: #0B0F19;
  --color-card: #1E293B;
  --color-border: #334155;
  --color-gold: #FACC15;
  --color-gold-hover: #F59E0B;
  --color-blue: #38BDF8;
  --color-blue-dark: #2563EB;
  --color-kakao: #FEE500;
  --color-kakao-text: #191919;
  --color-sms: #10B981;
  --color-tel: #2563EB;
  --color-text-main: #F8FAFC;
  --color-text-sub: #94A3B8;
  --color-table-bg: #FFFFFF;
  --color-table-alt: #F8FAFC;
  --color-table-border: #E2E8F0;
  --color-table-text: #0F172A;
  --color-table-head: #F1F5F9;
  --font-sans: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-brand: "GmarketSans", var(--font-sans);
}

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

html,
body {
  overflow-x: clip;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

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

/* 로고·배지·버튼·가격 숫자 줄바꿈 방지 */
.brand-logo,
.brand-logo .logo-name,
.drawer-brand .logo-name,
.badge-partner,
.badge,
.badge-gold,
.hero-pill,
.coupon-tag,
.note-pill,
.combo-contract-pill,
.btn,
.btn-header-tel,
.btn-vat-toggle,
.btn-drawer-tel,
.btn-cta,
.bar-link,
.widget-btn,
.cell-price,
.board-value {
  white-space: nowrap;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(11, 15, 25, 0.95);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
}

.brand-logo .logo-name {
  font-family: var(--font-brand);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-main);
}

.brand-tags {
  display: flex;
  flex-direction: column;
}

.badge-partner {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-hover));
  color: #0F172A;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: -0.3px;
}

.tag-sub {
  font-size: 11px;
  color: var(--color-text-sub);
}

.desktop-nav .nav-list {
  display: flex;
  list-style: none;
  gap: 24px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-sub);
  transition: color 0.2s;
  padding: 8px 0;
}

.nav-link:hover {
  color: var(--color-gold);
}

.nav-item.has-children {
  position: relative;
}

.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  list-style: none;
  min-width: 160px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  padding: 8px 0;
}

.nav-item.has-children:hover .submenu {
  display: block;
}

.submenu-link {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--color-text-sub);
}

.submenu-link:hover {
  color: var(--color-gold);
  background-color: rgba(250, 204, 21, 0.05);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-header-tel {
  background-color: var(--color-blue-dark);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
}

.btn-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger-box {
  width: 24px;
  height: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger-inner,
.hamburger-box::before,
.hamburger-box::after {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-main);
  border-radius: 2px;
}

/* Mobile Drawer (375px 스크롤 폭 확장 방지) */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  height: 100vh;
  height: 100dvh;
  background-color: var(--color-card);
  border-left: 1px solid var(--color-border);
  z-index: 1000;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.3s ease, visibility 0.3s ease;
  overflow-y: auto;
}

.mobile-drawer.is-open,
.mobile-drawer[aria-hidden="false"] {
  transform: none;
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.drawer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.drawer-brand .logo-name {
  font-family: var(--font-brand);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-main);
}

.btn-drawer-close {
  background: none;
  border: none;
  color: var(--color-text-main);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mobile-nav-link {
  font-size: 18px;
  font-weight: 600;
}

.mobile-submenu {
  list-style: none;
  padding-left: 16px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-submenu a {
  font-size: 14px;
  color: var(--color-text-sub);
}

.drawer-footer {
  margin-top: auto;
  padding-top: 24px;
}

.btn-drawer-tel {
  display: block;
  text-align: center;
  background-color: var(--color-blue-dark);
  color: #FFFFFF;
  padding: 12px;
  border-radius: 8px;
  font-weight: 700;
}

/* Breadcrumb */
.breadcrumb-nav {
  padding: 16px 20px;
}

.breadcrumb-list {
  display: flex;
  list-style: none;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-sub);
  flex-wrap: wrap;
}

.breadcrumb-item::after {
  content: "/";
  margin-left: 8px;
}

.breadcrumb-item:last-child::after {
  content: "";
}

.breadcrumb-item.active {
  color: var(--color-text-main);
}

/* Hero Section */
.section-hero {
  padding: 80px 0 60px;
  text-align: center;
  background: radial-gradient(circle at 50% 20%, rgba(37, 99, 235, 0.15), transparent 70%);
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 24px;
  max-width: 100%;
}

.hero-pill {
  background-color: var(--color-gold);
  color: #0F172A;
  font-size: 12px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 20px;
}

.hero-subtext {
  font-size: 13px;
  color: var(--color-text-sub);
}

.hero-title {
  font-family: var(--font-brand);
  font-size: 40px;
  line-height: 1.3;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--color-text-sub);
  max-width: 760px;
  margin: 0 auto 36px;
}

.hero-btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  min-height: 48px;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-hover));
  color: #0F172A;
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-secondary {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
}

.btn-secondary:hover {
  background-color: #334155;
}

/* Industry Grid */
.section-industry-buttons {
  padding: 60px 0;
  border-bottom: 1px solid var(--color-border);
}

.section-head {
  margin-bottom: 36px;
}

.section-head.text-center {
  text-align: center;
}

.section-title {
  font-family: var(--font-brand);
  font-size: 28px;
  margin-bottom: 8px;
  color: #FFFFFF;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-sub);
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.industry-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 20px 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s, border-color 0.2s;
}

.industry-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
}

.industry-card.highlight {
  border-color: var(--color-blue);
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.08), var(--color-card));
}

.industry-icon {
  font-size: 32px;
}

.industry-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-main);
}

.industry-sub {
  font-size: 12px;
  color: var(--color-text-sub);
}

/* Pricing Table Container */
.section-price-table,
.section-home-officenet-summary,
.section-install-fees {
  padding: 70px 0;
}

.section-header-row,
.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.vat-toggle-box {
  display: flex;
  align-items: center;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 4px;
}

.toggle-label {
  font-size: 13px;
  color: var(--color-text-sub);
  margin-right: 8px;
  padding-left: 8px;
}

.btn-vat-toggle {
  background: none;
  border: none;
  color: var(--color-text-sub);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  min-height: 38px;
}

.btn-vat-toggle.active {
  background-color: var(--color-gold);
  color: #0F172A;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background-color: var(--color-table-bg);
  border-radius: 12px;
  border: 1px solid var(--color-table-border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 15px;
  color: var(--color-table-text);
  min-width: 640px;
}

.data-table th {
  background-color: var(--color-table-head);
  padding: 16px 12px;
  font-weight: 700;
  border-bottom: 2px solid var(--color-table-border);
  color: #334155;
}

.data-table td {
  padding: 16px 12px;
  border-bottom: 1px solid var(--color-table-border);
}

.data-table tbody tr:hover {
  background-color: var(--color-table-alt);
}

.data-table tr.row-highlight {
  background-color: #FEFCE8;
}

.cell-grade strong {
  font-size: 16px;
  color: #0F172A;
}

.cell-price {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: #1E293B;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

.badge-gold {
  background-color: #FDE047;
  color: #854D0E;
}

.note-pill {
  font-size: 12px;
  background-color: #F1F5F9;
  color: #475569;
  padding: 4px 8px;
  border-radius: 4px;
}

.price-pending {
  color: #64748B;
  font-weight: normal;
  font-size: 14px;
}

/* Source Line */
.source-info-line {
  margin-top: 14px;
  font-size: 13px;
  color: var(--color-text-sub);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.source-divider {
  color: var(--color-border);
}

/* Coupon Banner */
.section-coupon {
  padding: 30px 0;
}

.coupon-banner {
  background: linear-gradient(135deg, #1E293B, #0F172A);
  border: 1px solid var(--color-gold);
  border-radius: 12px;
  padding: 24px 32px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.coupon-icon-box {
  font-size: 40px;
  flex-shrink: 0;
}

.coupon-text-box {
  flex: 1;
}

.coupon-tag {
  display: inline-block;
  font-size: 11px;
  background-color: var(--color-gold);
  color: #0F172A;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
}

.coupon-title {
  display: block;
  font-size: 20px;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.coupon-desc {
  font-size: 14px;
  color: var(--color-text-sub);
}

/* Notice & Info Cards */
.section-wifi-note,
.section-ip-explanation {
  padding: 20px 0;
}

.notice-card,
.info-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
}

.notice-card {
  display: flex;
  align-items: center;
  gap: 20px;
}

.notice-icon,
.info-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.notice-title,
.info-title {
  font-size: 18px;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.notice-desc {
  font-size: 15px;
  color: var(--color-text-sub);
}

.info-list {
  list-style: none;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 15px;
  color: var(--color-text-sub);
}

.info-list strong {
  color: var(--color-text-main);
}

/* FAQ Accordion */
.section-faq {
  padding: 70px 0;
  border-top: 1px solid var(--color-border);
}

.faq-accordion-wrap {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
}

.faq-question {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text-main);
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-q-badge {
  color: var(--color-gold);
  font-family: var(--font-brand);
  font-size: 20px;
  font-weight: 700;
}

.faq-q-text {
  flex: 1;
}

.faq-icon::after {
  content: "+";
  font-size: 20px;
  color: var(--color-text-sub);
}

.faq-item[open] .faq-icon::after {
  content: "−";
}

.faq-answer {
  padding: 0 24px 20px 58px;
  color: var(--color-text-sub);
  font-size: 15px;
  line-height: 1.7;
}

/* CTA Box */
.section-cta {
  padding: 80px 0;
  background: radial-gradient(circle at 50% 50%, rgba(30, 41, 59, 0.7), transparent 70%);
}

.cta-card {
  background: linear-gradient(145deg, #1E293B, #0F172A);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 48px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.cta-title {
  font-family: var(--font-brand);
  font-size: 32px;
  margin-bottom: 12px;
}

.cta-subtitle {
  font-size: 16px;
  color: var(--color-text-sub);
  max-width: 640px;
  margin: 0 auto 36px;
}

.cta-button-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.btn-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 12px;
  border-radius: 10px;
  text-align: left;
  min-height: 60px;
  transition: transform 0.2s;
}

.btn-cta:hover {
  transform: translateY(-3px);
}

.btn-cta-tel {
  background-color: var(--color-tel);
  color: #FFFFFF;
}

.btn-cta-sms {
  background-color: var(--color-sms);
  color: #FFFFFF;
}

.btn-cta-kakao {
  background-color: var(--color-kakao);
  color: var(--color-kakao-text);
}

.btn-cta-form {
  background-color: #475569;
  color: #FFFFFF;
}

.cta-btn-text strong {
  display: block;
  font-size: 16px;
}

.cta-btn-text small {
  font-size: 12px;
  opacity: 0.85;
}

.cta-footer-note {
  font-size: 13px;
  color: var(--color-text-sub);
}

/* Related Cards */
.section-related {
  padding: 60px 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.related-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.related-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.related-name {
  font-size: 18px;
  margin-bottom: 8px;
}

.related-desc {
  font-size: 14px;
  color: var(--color-text-sub);
  margin-bottom: 16px;
  flex: 1;
}

.related-link {
  color: var(--color-blue);
  font-size: 14px;
  font-weight: 600;
}

/* Footer */
.site-footer {
  background-color: #060911;
  border-top: 1px solid var(--color-border);
  padding: 48px 0 100px;
  font-size: 14px;
  color: var(--color-text-sub);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.4);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-company-name {
  font-size: 18px;
  color: var(--color-text-main);
  margin-right: 12px;
}

.footer-details p {
  margin-bottom: 6px;
}

.footer-bottom {
  margin-top: 24px;
  font-size: 13px;
}

/* CTA Bar (Mobile Fixed / Desktop Floating) */
.cta-bar-mobile {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background-color: rgba(15, 23, 42, 0.98);
  border-top: 1px solid var(--color-border);
  z-index: 99;
}

.bar-link {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--color-text-sub);
  gap: 2px;
  min-height: 44px;
}

.bar-link.bar-action {
  background-color: var(--color-gold);
  color: #0F172A;
  font-weight: 700;
}

.cta-widget-desktop {
  position: fixed;
  right: 24px;
  bottom: 30px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 170px;
}

.widget-title {
  font-size: 14px;
  color: #FFFFFF;
}

.widget-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 10px;
  border-radius: 6px;
  justify-content: center;
}

.widget-tel {
  background-color: var(--color-blue-dark);
  color: #FFFFFF;
}

.widget-kakao {
  background-color: var(--color-kakao);
  color: var(--color-kakao-text);
}

/* Combo Detail Specific */
.combo-detail-page {
  padding: 40px 0 60px;
}

.combo-header-card,
.combo-total-cost-card,
.combo-target-fit-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 36px;
  margin-bottom: 24px;
}

.combo-header-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.combo-contract-pill {
  background-color: rgba(56, 189, 248, 0.15);
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.combo-page-title {
  font-family: var(--font-brand);
  font-size: 32px;
  margin: 12px 0 6px;
  color: #FFFFFF;
}

.combo-page-desc {
  font-size: 15px;
  color: var(--color-text-sub);
}

.combo-price-board {
  display: flex;
  align-items: center;
  margin-top: 24px;
  background-color: rgba(15, 23, 42, 0.6);
  border-radius: 10px;
  padding: 20px;
  border: 1px solid var(--color-border);
}

.price-board-col {
  flex: 1;
  text-align: center;
}

.price-board-divider {
  width: 1px;
  height: 48px;
  background-color: var(--color-border);
}

.board-label {
  display: block;
  font-size: 14px;
  color: var(--color-text-sub);
  margin-bottom: 6px;
}

.board-value {
  font-size: 30px;
  font-variant-numeric: tabular-nums;
  display: inline-block;
}

.board-value.text-accent {
  color: var(--color-gold);
}

.board-value.text-muted {
  color: var(--color-blue);
}

.card-heading {
  font-family: var(--font-brand);
  font-size: 22px;
  margin-bottom: 18px;
  color: #FFFFFF;
}

.cost-sentence-box {
  background-color: #0F172A;
  border-radius: 8px;
  padding: 20px;
}

.cost-sentence {
  font-size: 16px;
  margin-bottom: 8px;
}

.cost-sentence:last-child {
  margin-bottom: 0;
}

.target-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.target-item {
  background-color: #0F172A;
  border-radius: 8px;
  padding: 18px;
}

.target-item-title {
  display: block;
  font-size: 13px;
  color: var(--color-gold);
  margin-bottom: 6px;
}

.combo-special-note {
  margin-top: 18px;
  background-color: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 14px;
  border-radius: 8px;
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.combo-sibling-nav {
  display: flex;
  justify-content: space-between;
  margin: 32px 0;
  gap: 16px;
}

.sibling-col {
  flex: 1;
}

.sibling-link {
  display: block;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 16px;
}

.sibling-dir {
  display: block;
  font-size: 12px;
  color: var(--color-text-sub);
  margin-bottom: 4px;
}

.sibling-title {
  font-size: 15px;
  color: var(--color-text-main);
}

/* Article Prose */
.article-prose {
  max-width: 820px;
  margin: 40px auto;
  line-height: 1.8;
}

.article-prose h2 {
  font-family: var(--font-brand);
  font-size: 26px;
  margin: 36px 0 16px;
  color: #FFFFFF;
}

.article-prose p {
  margin-bottom: 16px;
  color: #CBD5E1;
}

.article-prose ul {
  margin-bottom: 24px;
  padding-left: 20px;
}

.article-prose li {
  margin-bottom: 8px;
}

/* Matrix Table */
.combo-matrix-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
}

.combo-matrix-table th,
.combo-matrix-table td {
  padding: 14px;
  border: 1px solid var(--color-border);
  text-align: center;
}

.matrix-link {
  color: var(--color-blue);
  font-size: 14px;
  font-weight: 600;
}

.matrix-link:hover {
  text-decoration: underline;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .industry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .cta-button-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  .btn-hamburger {
    display: block;
  }
  .hero-title {
    font-size: 28px;
  }
  .industry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-button-grid {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .target-grid {
    grid-template-columns: 1fr;
  }
  .cta-widget-desktop {
    display: none;
  }
  .cta-bar-mobile {
    display: flex;
  }
  .coupon-banner {
    flex-direction: column;
    text-align: center;
    padding: 20px 16px;
  }
  .cta-card {
    padding: 32px 20px;
  }
}

/* Header & Mobile Optimization (< 480px & 375px) */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  /* 480px 미만 머리글 높이 56~64px 규격 */
  .header-inner {
    height: 60px;
  }

  /* 로고 한 줄, KT 공식 파트너 배지 한 줄, 작은 서브문구 숨김 */
  .header-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2px;
  }

  .brand-logo .logo-name {
    font-size: 18px;
    line-height: 1.2;
  }

  .brand-tags {
    display: flex;
  }

  .badge-partner {
    font-size: 10px;
    padding: 1px 6px;
    line-height: 1.3;
  }

  .tag-sub {
    display: none;
  }

  .header-actions {
    gap: 8px;
  }

  /* 전화 버튼 아이콘만 표시 (번호 텍스트 숨김) */
  .btn-header-tel {
    padding: 8px 10px;
    min-height: 38px;
    gap: 0;
  }

  .btn-header-tel .tel-text {
    display: none;
  }

  .btn-header-tel .icon-tel {
    font-size: 15px;
    line-height: 1;
  }

  /* 375px 히어로 버튼 1줄 유지 (세로 배치 및 글자 크기 조정) */
  .hero-btn-group {
    flex-direction: column;
    align-items: stretch;
    max-width: 320px;
    margin: 0 auto;
    gap: 12px;
  }

  .hero-btn-group .btn {
    width: 100%;
    font-size: 15px;
    padding: 12px 16px;
    text-align: center;
  }

  /* 조합 페이지 큰 요금 상자: 480px 미만 상하 적층 및 clamp 폰트 */
  .combo-header-card,
  .combo-total-cost-card,
  .combo-target-fit-card {
    padding: 20px 16px;
  }

  .combo-page-title {
    font-size: 24px;
  }

  .combo-price-board {
    flex-direction: column;
    gap: 14px;
    padding: 16px;
  }

  .price-board-col {
    width: 100%;
  }

  .price-board-divider {
    width: 100%;
    height: 1px;
    background-color: var(--color-border);
    margin: 0;
  }

  .board-value {
    white-space: nowrap;
    font-size: clamp(28px, 9vw, 44px);
  }

  .combo-sibling-nav {
    flex-direction: column;
  }
}

/* ===== 10-20 디자인 보강 (제미나이 작성, Claude 검토) ===== */
/* [1] 상담 상자 글씨 */
.cta-card .cta-partner-badge {
  display: inline-block;
  background-color: var(--color-gold, #FACC15);
  color: var(--color-bg, #0B0F19);
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.4;
  padding: 5px 14px;
  border-radius: 9999px;
  margin-bottom: 14px;
}
.cta-card .cta-title,
.page-container .cta-card .cta-title { color: var(--color-text-main, #F8FAFC); }
.cta-card .cta-subtitle,
.page-container .cta-card .cta-subtitle { color: var(--color-text-sub, #94A3B8); }
.cta-card .cta-footer-note,
.page-container .cta-card .cta-footer-note { color: var(--color-text-sub, #94A3B8); }

/* [2] 공통 버튼 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 10px;
  font-family: var(--font-sans, sans-serif);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.btn-gold,
.page-container .btn-gold { background-color: var(--color-gold, #FACC15); color: var(--color-bg, #0B0F19); }
.btn-gold:hover, .btn-gold:focus-visible,
.page-container .btn-gold:hover, .page-container .btn-gold:focus-visible {
  background-color: var(--color-gold-hover, #F59E0B);
  color: var(--color-bg, #0B0F19);
  text-decoration: none;
}
@media (max-width: 640px) {
  .coupon-action .btn { display: flex; width: 100%; box-sizing: border-box; }
}

/* [3] 홈 분야별 안내 카드 */
.section-menu-cards { padding: 64px 0; }
.menu-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.menu-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-card, #1E293B);
  border: 1px solid var(--color-border, #334155);
  border-radius: 14px;
  padding: 24px;
  box-sizing: border-box;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.menu-card:hover { border-color: var(--color-gold, #FACC15); transform: translateY(-4px); }
.menu-card .menu-card-title {
  font-family: var(--font-brand, var(--font-sans, sans-serif));
  color: var(--color-text-main, #F8FAFC);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 10px 0;
}
.menu-card .menu-card-desc {
  font-family: var(--font-sans, sans-serif);
  color: var(--color-text-sub, #94A3B8);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 20px 0;
}
.menu-card .menu-card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  color: var(--color-blue, #38BDF8);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: color 0.15s ease, transform 0.15s ease;
}
.menu-card .menu-card-link:hover { color: var(--color-gold, #FACC15); text-decoration: none; }
@media (max-width: 1024px) { .menu-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .menu-card-grid { grid-template-columns: 1fr; } }