/* ============================================================
   eHelper.in | Premium Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Jost:wght@300;400;500;600;700&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --primary:        #DC2626;
  --primary-hover:  #B91C1C;
  --primary-light:  #FEE2E2;
  --background:     #F8FAFC;
  --card-bg:        #FFFFFF;
  --text-dark:      #1E293B;
  --text-light:     #64748B;
  --border:         #E2E8F0;
  --success:        #16A34A;
  --shadow-sm:      0 4px 6px rgba(0,0,0,.04);
  --shadow-md:      0 10px 30px rgba(0,0,0,.06);
  --shadow-lg:      0 15px 40px rgba(0,0,0,.08);
  --radius-sm:      8px;
  --radius-md:      16px;
  --radius-lg:      20px;
  --transition:     all 0.3s ease;
}

/* ── Base ─────────────────────────────────────────────────── */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Jost', sans-serif;
  color: var(--text-dark);
  background-color: var(--background);
  overflow-x: hidden;
  font-size: 14px;
  line-height: 1.7;
}

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

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

/* ── Top Utility Bar ─────────────────────────────────────── */
.top-utility-bar {
  background: #1E293B;
  color: #94A3B8;
  padding: 6px 0;
  font-size: .8rem;
}

.text-utility-link {
  color: #94A3B8;
  transition: var(--transition);
}
.text-utility-link:hover { color: var(--primary); }

/* ── Utilities ─────────────────────────────────────────────── */
.text-primary  { color: var(--primary) !important; }
.bg-primary    { background-color: var(--primary) !important; }
.bg-light      { background-color: var(--background) !important; }
.bg-white      { background-color: var(--card-bg) !important; }
.text-muted    { color: var(--text-light) !important; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  font-family: 'Jost', sans-serif;
  font-weight: 500;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  border-radius: var(--radius-sm);
  padding: 10px 26px;
  color: #fff;
}
.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(220,38,38,.3);
}

.btn-outline-primary {
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 9px 24px;
  background: transparent;
}
.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ── Section Headings ──────────────────────────────────────── */
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  position: relative;
  padding-bottom: 14px;
  margin-bottom: 16px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-hover));
  border-radius: 4px;
}

.text-center .section-title::after {
  left: 50%;
  transform: translateX(-50%);
}

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  background-color: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0;
  min-height: 76px;
  box-shadow: 0 2px 12px rgba(0,0,0,.04);
  transition: var(--transition);
  z-index: 1030;
}

.navbar-brand { padding: 8px 0; }

.navbar .container {
  min-height: 76px;
  display: flex;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  font-size: .9rem;
  color: var(--text-dark) !important;
  padding: 8px 13px !important;
  margin: 0 1px;
  border-radius: 7px;
  position: relative;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active,
.nav-link.show {
  color: var(--primary) !important;
  background-color: var(--primary-light);
}

/* Dropdown Menus */
.dropdown-menu-custom {
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(0,0,0,.1);
  padding: 8px;
  min-width: 220px;
  animation: dropFade .2s ease;
}

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

.dropdown-item {
  font-size: .88rem;
  font-weight: 500;
  color: var(--text-dark);
  padding: 9px 14px;
  border-radius: 9px;
  transition: var(--transition);
  display: flex;
  align-items: center;
}

.dropdown-item:hover {
  background-color: var(--primary-light);
  color: var(--primary);
}

/* Search/Icon Button */
.nav-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--background);
  color: var(--text-dark);
  font-size: 1rem;
  transition: var(--transition);
  border: 1px solid var(--border);
}
.nav-icon-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

/* ── Hero Section ──────────────────────────────────────────── */
.hero-section {
  background: linear-gradient(135deg, #DC2626 0%, #991B1B 100%);
  color: #fff;
  padding: 110px 0 90px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,.05);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -120px;
  left: -60px;
  width: 500px;
  height: 500px;
  background: rgba(255,255,255,.04);
  border-radius: 50%;
  pointer-events: none;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 18px;
  color: #fff;
}

.hero-subtitle {
  font-size: 1.15rem;
  font-weight: 300;
  opacity: 0.92;
  margin-bottom: 32px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Search Bar ────────────────────────────────────────────── */
.search-bar-wrapper {
  background: #fff;
  border-radius: 50px;
  padding: 6px 6px 6px 20px;
  box-shadow: 0 12px 35px rgba(0,0,0,.15);
  display: flex;
  align-items: center;
  max-width: 580px;
  margin: 0 auto 28px;
  height: 60px;
}

.search-bar-wrapper input.form-control {
  border: none;
  box-shadow: none !important;
  background: transparent;
  font-family: 'Jost', sans-serif;
  font-size: 0.95rem;
  color: var(--text-dark);
  flex: 1;
  padding: 0;
  height: auto;
}

.search-bar-wrapper input.form-control:focus {
  outline: none;
  box-shadow: none;
}

.search-bar-wrapper input.form-control::placeholder {
  color: var(--text-light);
}

.search-bar-wrapper .btn {
  background: var(--primary);
  border-color: var(--primary);
  border-radius: 50px;
  padding: 10px 28px;
  color: #fff;
  font-weight: 600;
  height: 46px;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.search-bar-wrapper .btn:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: none;
}

/* ── Service / Category Cards ──────────────────────────────── */
.service-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-hover));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(220,38,38,.12);
  border-color: rgba(220,38,38,.2);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card .icon-wrapper {
  width: 76px;
  height: 76px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin: 0 auto 20px;
  transition: var(--transition);
}

.service-card:hover .icon-wrapper {
  background: var(--primary);
  color: #fff;
  transform: scale(1.1);
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.service-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

/* ── Guide / Blog Cards ────────────────────────────────────── */
.guide-card {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  height: 100%;
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
}

.guide-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg);
}

.guide-img-wrapper {
  height: 210px;
  overflow: hidden;
  background-color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.guide-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.guide-card:hover .guide-img-wrapper img {
  transform: scale(1.07);
}

.guide-card .card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.guide-card .card-title {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-dark);
  margin-bottom: 8px;
  line-height: 1.4;
}

.guide-card .card-text {
  color: var(--text-light);
  font-size: 0.9rem;
  flex: 1;
  margin-bottom: 16px;
}

.badge.bg-primary {
  background-color: var(--primary) !important;
  font-family: 'Jost', sans-serif;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
}

/* ── Feature / Why Us Items ────────────────────────────────── */
.feature-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 28px;
  gap: 16px;
}

.feature-item .icon {
  flex-shrink: 0;
  font-size: 20px;
  color: var(--primary);
  background: var(--primary-light);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  transition: var(--transition);
}

.feature-item:hover .icon {
  background: var(--primary);
  color: #fff;
}

.feature-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-dark);
}

.feature-item p {
  color: var(--text-light);
  font-size: 0.88rem;
  margin-bottom: 0;
  line-height: 1.5;
}

/* ── Accordion / FAQ ───────────────────────────────────────── */
.accordion-item {
  border-radius: var(--radius-md) !important;
  margin-bottom: 12px;
  border: 1px solid var(--border) !important;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion-button {
  font-family: 'Jost', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-dark);
  background: var(--card-bg);
  border-radius: var(--radius-md) !important;
}

.accordion-button:not(.collapsed) {
  background: var(--primary-light);
  color: var(--primary);
  box-shadow: none;
}

.accordion-button::after {
  filter: none;
}

.accordion-button:not(.collapsed)::after {
  filter: invert(28%) sepia(90%) saturate(1500%) hue-rotate(340deg);
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--border);
}

.accordion-body {
  font-size: 0.92rem;
  color: var(--text-light);
  background: var(--card-bg);
  padding: 16px 24px 20px;
  line-height: 1.7;
}

/* ── Newsletter Section ────────────────────────────────────── */
.newsletter-section {
  background: linear-gradient(135deg, var(--primary) 0%, #991B1B 100%);
  color: #fff;
  padding: 70px 0;
  border-radius: var(--radius-lg);
  margin: 40px 0;
  position: relative;
  overflow: hidden;
}

.newsletter-form {
  display: flex;
  max-width: 480px;
  margin: 0 auto;
  background: #fff;
  padding: 6px;
  border-radius: 50px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
}

.newsletter-form input {
  border: none;
  box-shadow: none !important;
  padding-left: 20px;
  border-radius: 50px;
  font-family: 'Jost', sans-serif;
  color: var(--text-dark);
  flex: 1;
}

.newsletter-form input:focus {
  outline: none;
  box-shadow: none;
}

.newsletter-form .btn {
  border-radius: 50px;
  padding: 10px 24px;
  background: var(--primary);
  color: #fff;
  border: none;
  font-weight: 600;
  white-space: nowrap;
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background-color: #111827;
  color: #CBD5E1;
  padding: 80px 0 0;
}

.footer-widget h5 {
  color: #fff;
  font-weight: 600;
  margin-bottom: 22px;
  font-size: 1rem;
  position: relative;
  padding-bottom: 12px;
}

.footer-widget h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  color: #94A3B8;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-links a i {
  font-size: 0.7rem;
  color: var(--primary);
}

.footer p {
  color: #94A3B8;
  font-size: 0.9rem;
  line-height: 1.8;
}

.social-icons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255,255,255,.08);
  color: #CBD5E1;
  font-size: 0.95rem;
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

.footer-bottom {
  margin-top: 60px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  text-align: center;
  color: #64748B;
  font-size: 0.85rem;
}

/* ── Page Header (inner pages) ─────────────────────────────── */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, #991B1B 100%);
  color: #fff;
  padding: 70px 0 50px;
  margin-bottom: 0;
  text-align: center;
}

.page-header h1 {
  font-weight: 700;
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.page-header p {
  opacity: 0.88;
  font-size: 1.05rem;
}

/* ── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb-custom {
  background: var(--card-bg);
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  margin-bottom: 30px;
  border: 1px solid var(--border);
}

.breadcrumb-custom .breadcrumb { margin-bottom: 0; }

.breadcrumb-item a { color: var(--text-light); font-size: 0.88rem; }
.breadcrumb-item a:hover { color: var(--primary); }
.breadcrumb-item.active { color: var(--primary); font-weight: 500; font-size: 0.88rem; }
.breadcrumb-item + .breadcrumb-item::before { color: var(--text-light); }

/* ── Article / Guide Inner Page ────────────────────────────── */
.article-content {
  background: var(--card-bg);
  padding: 40px 48px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  margin-bottom: 30px;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--text-dark);
}

.article-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-top: 36px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-top: 28px;
  margin-bottom: 12px;
}

.article-content p { margin-bottom: 16px; }

.article-content ul,
.article-content ol {
  padding-left: 22px;
  margin-bottom: 20px;
}

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

.article-content img {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  box-shadow: var(--shadow-md);
}

.article-content a {
  color: var(--primary);
  font-weight: 500;
  border-bottom: 1px dashed rgba(220,38,38,.4);
}

.article-content a:hover {
  color: var(--primary-hover);
  border-bottom-style: solid;
}

.article-content code {
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.88em;
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar-widget {
  background: var(--card-bg);
  border-radius: 18px;
  padding: 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.sidebar-widget h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-light);
  position: relative;
}

.sidebar-widget h5::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary);
}

.sidebar-widget .list-group-item {
  border: none;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  transition: var(--transition);
}

.sidebar-widget .list-group-item:last-child { border-bottom: none; }

.sidebar-widget .list-group-item:hover { color: var(--primary); }
.sidebar-widget .list-group-item i { color: var(--primary); flex-shrink: 0; }

/* ── Scroll Reveal ─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ── Back to Top ───────────────────────────────────────────── */
#backToTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 6px 20px rgba(220,38,38,.35);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  cursor: pointer;
}

#backToTop.show { opacity: 1; visibility: visible; }

#backToTop:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
}

/* ── Alerts ─────────────────────────────────────────────────── */
.alert-info {
  background-color: #EFF6FF;
  border-color: #BFDBFE;
  color: #1E40AF;
}

.alert-warning {
  background-color: #FFFBEB;
  border-color: #FDE68A;
  color: #92400E;
}

.alert-danger {
  background-color: var(--primary-light);
  border-color: #FECACA;
  color: #991B1B;
}

/* ── Contact Page ───────────────────────────────────────────── */
.contact-info-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  text-align: center;
  height: 100%;
  transition: var(--transition);
}

.contact-info-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.contact-info-card .icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 18px;
}

/* ── AdSense Areas ──────────────────────────────────────────── */
.ads-wrapper {
  margin: 30px 0;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 992px) {
  .hero-title { font-size: 2.4rem; }
  .hero-section { padding: 80px 0 70px; }

  .nav-link::after { display: none; }
  .nav-link:hover,
  .nav-link.active { border-radius: 6px; }
}

@media (max-width: 768px) {
  .hero-title { font-size: 1.9rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-section { padding: 70px 0 60px; }

  .section-title { font-size: 1.6rem; }

  .article-content { padding: 24px 20px; }

  .search-bar-wrapper {
    flex-direction: column;
    height: auto;
    padding: 12px;
    border-radius: 18px;
    gap: 10px;
  }

  .search-bar-wrapper input.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
  }

  .search-bar-wrapper .btn {
    width: 100%;
    border-radius: 10px;
    justify-content: center;
  }

  .newsletter-form {
    flex-direction: column;
    padding: 12px;
    border-radius: 18px;
    gap: 10px;
  }

  .newsletter-form input {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
  }

  .newsletter-form .btn {
    border-radius: 10px;
    width: 100%;
    justify-content: center;
  }

  .footer { padding: 60px 0 0; }
}

@media (max-width: 576px) {
  .hero-title { font-size: 1.6rem; }
  .page-header h1 { font-size: 1.8rem; }
}

/* -- Premium Guide Design ------------------------------------ */
.guide-hero {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #fff;
  padding: 80px 0 60px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.guide-hero::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: url('../images/hero-bg.png') center/cover;
  opacity: 0.05;
}

.guide-hero .badge {
  background: rgba(255,255,255,0.15) !important;
  color: #fff !important;
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: 30px;
  backdrop-filter: blur(4px);
}

.guide-hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.25;
  margin-top: 20px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.guide-hero .meta-info {
  font-size: 0.95rem;
  color: #94A3B8;
  position: relative;
  z-index: 1;
}

.guide-content.premium-content {
  background: #fff;
  padding: 50px;
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.03);
  border: 1px solid rgba(0,0,0,0.05);
  font-size: 1.1rem;
  line-height: 1.9;
  color: #334155;
}

.guide-content.premium-content p {
  margin-bottom: 24px;
}

.guide-content.premium-content h2 {
  font-size: 1.8rem;
  color: #0F172A;
  margin-top: 48px;
  border-bottom: none;
  padding-bottom: 0;
  position: relative;
  padding-left: 18px;
}

.guide-content.premium-content h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 4px;
  background: var(--primary);
  border-radius: 4px;
}

.guide-content.premium-content .table {
  font-size: 1rem;
}

.sticky-toc {
  background: #fff;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
  border: 1px solid rgba(0,0,0,0.05);
  margin-bottom: 30px;
}

.sticky-toc h4 {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: #0F172A;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-list li {
  margin-bottom: 12px;
}

.toc-list a {
  color: #64748B;
  font-size: 0.95rem;
  display: block;
  transition: all 0.2s ease;
  line-height: 1.4;
}

.toc-list a:hover {
  color: var(--primary);
  padding-left: 5px;
}