html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block
}

body {
  line-height: 1
}

ol,
ul {
  list-style: none
}

blockquote,
q {
  quotes: none
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none
}

table {
  border-collapse: collapse;
  border-spacing: 0
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth
}

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 18px;
  line-height: 1.7;
  color: #2c2c2c;
  background: #fafafa
}

h1 {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 52px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 28px;
  color: #1a1a1a;
  letter-spacing: -0.5px
}

h2 {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
  color: #1a1a1a
}

h3 {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 18px;
  color: #2c2c2c
}

h4 {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 14px;
  color: #2c2c2c
}

p {
  margin-bottom: 18px;
  font-size: 18px;
  line-height: 1.7
}

a {
  color: #c62828;
  text-decoration: none;
  transition: color 0.3s ease
}

a:hover {
  color: #8b1c1c
}

.welcome-space {
  padding: 120px 20px 100px
}

.stats-hub {
  padding: 80px 20px 70px
}

.content-spotlight {
  padding: 90px 20px 85px
}

.browse-plaza {
  padding: 70px 20px 65px
}

.pricing-zone {
  padding: 100px 20px 90px
}

.expert-lounge {
  padding: 80px 20px 75px
}

.benefits-corner {
  padding: 70px 20px 60px
}

.policy-center {
  padding: 60px 20px 55px
}

.payment-desk {
  padding: 50px 20px 45px
}

.help-station {
  padding: 80px 20px 70px
}

.join-point {
  padding: 90px 20px 80px
}

.connect-area {
  padding: 100px 20px 90px
}

.welcome-space {
  background: linear-gradient(135deg, #fce4ec 0%, #f8bbd0 100%)
}

.stats-hub {
  background: #fff9e6
}

.content-spotlight {
  background: #e8f5e9
}

.browse-plaza {
  background: #e1f5fe
}

.pricing-zone {
  background: #f3e5f5
}

.expert-lounge {
  background: #fff3e0
}

.benefits-corner {
  background: #e0f2f1
}

.policy-center {
  background: #fce4ec
}

.payment-desk {
  background: #f1f8e9
}

.help-station {
  background: #e8eaf6
}

.join-point {
  background: #ffebee
}

.connect-area {
  background: #e0f7fa
}

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

.hdr {
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  height: 100vh;
  background: #1a1a1a;
  color: #fff;
  padding: 40px 30px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2)
}

.hdr-logo {
  font-family: 'Georgia', serif;
  font-size: 24px;
  font-weight: 700;
  color: #c62828;
  margin-bottom: 50px;
  display: block
}

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

.nav-item {
  margin-bottom: 20px
}

.nav-link {
  color: #fff;
  font-size: 16px;
  text-decoration: none;
  padding: 12px 0;
  display: block;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease
}

.nav-link:hover,
.nav-link.active {
  color: #c62828;
  border-bottom-color: #c62828
}

.nav-auth {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.2)
}

.main {
  margin-right: 280px
}

.btn {
  display: inline-block;
  padding: 16px 38px;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-family: 'Arial', sans-serif
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15)
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: 0.7
  }
}

.btn:active {
  animation: pulse 0.3s ease
}

.btn-primary {
  background: #c62828;
  color: #fff
}

.btn-primary:hover {
  background: #8b1c1c;
  color: #fff
}

.btn-secondary {
  background: #fff;
  color: #c62828;
  border: 2px solid #c62828
}

.btn-secondary:hover {
  background: #c62828;
  color: #fff
}

.btn-large {
  padding: 20px 48px;
  font-size: 18px
}

.hero-content {
  max-width: 680px
}

.hero-title {
  font-size: 56px;
  margin-bottom: 24px;
  color: #1a1a1a
}

.hero-subtitle {
  font-size: 22px;
  margin-bottom: 36px;
  color: #444;
  line-height: 1.6
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap
}

.video-preview {
  position: relative;
  max-width: 800px;
  margin: 40px auto 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: transform 0.3s ease
}

.video-preview:hover {
  transform: scale(1.02)
}

.video-preview img {
  width: 100%;
  height: auto;
  display: block
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(198, 40, 40, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 32px
}

.stats-grid {
  display: table;
  width: 100%;
  border-collapse: separate;
  border-spacing: 30px 0
}

.stat-item {
  display: table-cell;
  text-align: center;
  vertical-align: top;
  padding: 30px 20px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08)
}

.stat-number {
  font-size: 48px;
  font-weight: 700;
  color: #c62828;
  margin-bottom: 10px;
  display: block
}

.stat-label {
  font-size: 16px;
  color: #666
}

.video-grid {
  display: table;
  width: 100%;
  border-collapse: separate;
  border-spacing: 25px
}

.video-row {
  display: table-row
}

.video-card {
  display: table-cell;
  width: 33.333%;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer
}

.video-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15)
}

.video-thumbnail {
  position: relative;
  padding-bottom: 56.25%;
  background: #e0e0e0;
  overflow: hidden
}

.video-thumbnail svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%
}

.video-lock-icon {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff
}

.video-info {
  padding: 20px
}

.video-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: #1a1a1a
}

.video-meta {
  font-size: 14px;
  color: #888;
  margin-bottom: 8px
}

.video-instructor {
  font-size: 14px;
  color: #666
}

.pricing-grid {
  display: table;
  width: 100%;
  border-collapse: separate;
  border-spacing: 25px 0
}

.pricing-card {
  display: table-cell;
  width: 33.333%;
  background: #fff;
  border: 2px solid #e0e0e0;
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: #c62828
}

.pricing-card.popular {
  border-color: #c62828;
  border-width: 3px
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: #c62828;
  color: #fff;
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase
}

.pricing-name {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #1a1a1a
}

.pricing-price {
  font-size: 48px;
  font-weight: 700;
  color: #c62828;
  margin-bottom: 8px
}

.pricing-duration {
  font-size: 14px;
  color: #888;
  margin-bottom: 24px
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 30px 0;
  text-align: left
}

.pricing-feature {
  padding: 10px 0;
  font-size: 15px;
  color: #444;
  border-bottom: 1px solid #f0f0f0
}

.pricing-feature:before {
  content: "✓";
  color: #4caf50;
  font-weight: 700;
  margin-right: 10px
}

.instructor-grid {
  display: table;
  width: 100%;
  border-collapse: separate;
  border-spacing: 30px
}

.instructor-row {
  display: table-row
}

.instructor-card {
  display: table-cell;
  width: 25%;
  background: #fff;
  border-radius: 10px;
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1)
}

.instructor-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: #e0e0e0;
  margin: 0 auto 20px;
  overflow: hidden
}

.instructor-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1a1a1a
}

.instructor-belt {
  font-size: 14px;
  color: #c62828;
  font-weight: 600;
  margin-bottom: 12px
}

.instructor-bio {
  font-size: 14px;
  line-height: 1.6;
  color: #666
}

.form-group {
  margin-bottom: 22px
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #333
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #ddd;
  border-radius: 6px;
  font-size: 16px;
  font-family: 'Arial', sans-serif;
  transition: border-color 0.3s ease
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: #c62828
}

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

.form-error {
  color: #d32f2f;
  font-size: 13px;
  margin-top: 6px
}

.form-success {
  color: #388e3c;
  font-size: 13px;
  margin-top: 6px
}

.faq-list {
  max-width: 800px;
  margin: 0 auto
}

.faq-item {
  background: #fff;
  border-radius: 8px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  overflow: hidden
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 22px 26px;
  background: none;
  border: none;
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease
}

.faq-question:hover {
  background: #f9f9f9
}

.faq-icon {
  font-size: 20px;
  transition: transform 0.3s ease
}

.faq-item.active .faq-icon {
  transform: rotate(180deg)
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 26px
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 26px 22px
}

.faq-answer p {
  font-size: 16px;
  line-height: 1.7;
  color: #555
}

.ftr {
  background: #1a1a1a;
  color: #fff;
  padding: 60px 20px 30px;
  margin-right: 280px
}

.ftr-grid {
  display: table;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  border-collapse: separate;
  border-spacing: 40px 0
}

.ftr-col {
  display: table-cell;
  vertical-align: top;
  width: 25%
}

.ftr-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #c62828
}

.ftr-text {
  font-size: 14px;
  line-height: 1.7;
  color: #ccc;
  margin-bottom: 14px
}

.ftr-link {
  display: block;
  color: #ccc;
  font-size: 14px;
  margin-bottom: 12px;
  text-decoration: none;
  transition: color 0.3s ease
}

.ftr-link:hover {
  color: #c62828
}

.ftr-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 40px;
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: #888
}

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, #fce4ec 0%, #f8bbd0 100%)
}

.auth-box {
  max-width: 420px;
  width: 100%;
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15)
}

.auth-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
  text-align: center;
  color: #1a1a1a
}

.auth-subtitle {
  font-size: 14px;
  color: #666;
  text-align: center;
  margin-bottom: 30px
}

.auth-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 14px;
  color: #666
}

.auth-footer a {
  color: #c62828;
  font-weight: 600
}

@media (max-width: 1024px) {
  .hdr {
    position: fixed;
    bottom: 0;
    top: auto;
    right: 0;
    left: 0;
    width: 100%;
    height: auto;
    padding: 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    overflow-y: visible
  }

  .hdr-logo {
    display: none
  }

  .nav-list {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 12px 0
  }

  .nav-item {
    margin: 0
  }

  .nav-link {
    padding: 8px 12px;
    font-size: 12px;
    border: none;
    text-align: center
  }

  .nav-auth {
    display: none
  }

  .main {
    margin-right: 0;
    margin-bottom: 70px
  }

  .ftr {
    margin-right: 0;
    margin-bottom: 70px
  }

  .welcome-space {
    padding: 80px 20px 60px
  }

  h1 {
    font-size: 36px
  }

  h2 {
    font-size: 30px
  }

  .stats-grid,
  .pricing-grid,
  .instructor-grid,
  .ftr-grid {
    display: block
  }

  .stat-item,
  .pricing-card,
  .instructor-card,
  .ftr-col {
    display: block;
    width: 100%;
    margin-bottom: 20px
  }

  .video-grid {
    display: block
  }

  .video-card {
    display: block;
    width: 100%;
    margin-bottom: 20px
  }
}

@media (max-width: 768px) {
  body {
    font-size: 16px
  }

  h1 {
    font-size: 32px
  }

  h2 {
    font-size: 26px
  }

  h3 {
    font-size: 22px
  }

  .btn {
    padding: 14px 28px;
    font-size: 15px
  }

  .hero-title {
    font-size: 38px
  }

  .hero-subtitle {
    font-size: 18px
  }

  .stat-number {
    font-size: 36px
  }

  .pricing-price {
    font-size: 40px
  }
}