:root {
  --t-primary: #2d3748;
  --t-primary-light: #4a5568;
  --t-accent: #6b5ce7;
  --t-accent-light: #8b7cf0;
  --t-success: #22c55e;
  --t-danger: #ef4444;
  --t-info: #3b82f6;
  --t-warning: #eab308;
  --t-bg: #ffffff;
  --t-bg-alt: #f7f8fc;
  --t-bg-footer: #2d3748;
  --t-text: #1a202c;
  --t-text-muted: #718096;
  --t-text-light: #a0aec0;
  --t-border: #e2e8f0;
  --t-shadow-card: 0 1px 3px rgba(0,0,0,.04), 0 2px 8px rgba(0,0,0,.06);
  --t-shadow-hover: 0 8px 30px rgba(0,0,0,.10);
  --t-radius: 12px;
  --t-radius-pill: 50px;
  --t-transition: .25s cubic-bezier(.4,0,.2,1);
  --t-max-width: 1200px;
  --t-section-gap: 64px;
  --t-font: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  font-family: var(--t-font);
  color: var(--t-text);
  background: var(--t-bg);
  line-height: 1.7;
}

/* ===== HEADER ===== */
.header-area {
  background: var(--t-bg) !important;
  border-bottom: 1px solid var(--t-border);
  box-shadow: none !important;
  padding: 12px 0;
}

.header-area.sticky-header {
  position: sticky;
  top: 0;
  z-index: 999;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,.96) !important;
}

.header-logo img {
  max-height: 48px;
}

.main-menu nav ul li a {
  color: var(--t-text) !important;
  font-weight: 500;
  font-size: 15px;
  padding: 8px 20px !important;
  transition: var(--t-transition);
  position: relative;
}

.main-menu nav ul li a:hover,
.main-menu nav ul li a:focus {
  color: var(--t-accent) !important;
}

.main-menu nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  height: 2px;
  background: var(--t-accent);
  transform: scaleX(0);
  transition: var(--t-transition);
}

.main-menu nav ul li a:hover::after {
  transform: scaleX(1);
}

.main-menu nav ul li a span {
  font-size: 11px !important;
  color: var(--t-text-muted) !important;
  margin-top: 2px !important;
  font-weight: 400;
}

.header-right .user-btn-sign-in {
  color: var(--t-text) !important;
  font-weight: 500;
  border: 1px solid var(--t-border);
  padding: 8px 20px;
  border-radius: var(--t-radius-pill);
  transition: var(--t-transition);
  white-space: nowrap;
  font-size: 14px;
}

.header-right .user-btn-sign-in:hover {
  background: var(--t-text);
  color: #fff !important;
  border-color: var(--t-text);
}

.header-right .user-btn-sign-up {
  background: var(--t-text) !important;
  color: #fff !important;
  padding: 8px 24px;
  border-radius: var(--t-radius-pill);
  font-weight: 500;
  transition: var(--t-transition);
  border: 1px solid var(--t-text);
  white-space: nowrap;
  font-size: 14px;
}

.header-right .user-btn-sign-up:hover {
  background: var(--t-accent) !important;
  border-color: var(--t-accent);
}

.header-search input {
  border: 1px solid var(--t-border) !important;
  border-radius: var(--t-radius-pill) !important;
  padding: 8px 16px !important;
  font-size: 14px;
  background: var(--t-bg-alt) !important;
  transition: var(--t-transition);
}

.header-search input:focus {
  border-color: var(--t-accent) !important;
  box-shadow: 0 0 0 3px rgba(107,92,231,.12) !important;
}

/* ===== HERO BANNER ===== */
.hero-arera {
  background: linear-gradient(135deg, var(--t-primary) 0%, #1a2332 100%) !important;
  padding: 48px 0 !important;
  min-height: auto !important;
  position: relative;
  overflow: hidden;
}

.hero-arera::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(107,92,231,.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-arera::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--t-accent), #a78bfa, var(--t-accent));
}

.hero-course-1-text h2 {
  color: #fff !important;
  font-size: 32px !important;
  font-weight: 700;
  letter-spacing: 1px;
}

.course-title-breadcrumb .breadcrumb {
  background: none !important;
  padding: 0 !important;
}

.course-title-breadcrumb .breadcrumb-item a,
.course-title-breadcrumb .breadcrumb-item span {
  color: rgba(255,255,255,.7) !important;
  font-size: 14px;
}

.course-title-breadcrumb .breadcrumb-item a:hover {
  color: #fff !important;
}

.breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255,255,255,.4) !important;
}

/* ===== CAROUSEL / SLIDER ===== */
.carousel-container {
  position: relative;
  overflow: hidden;
}

.carousel-slide img {
  width: 100%;
  height: 520px;
  object-fit: cover;
}

.hero-university-card {
  background: rgba(255,255,255,.97);
  border-radius: var(--t-radius);
  box-shadow: var(--t-shadow-hover);
}

/* ===== SECTION TITLES ===== */
.university-courses-title h2,
.section-title h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--t-text);
  position: relative;
  display: inline-block;
}

/* ===== CARDS ===== */
.course-wrapper,
.blog-wrapper,
.categori-course-item {
  background: var(--t-bg);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius) !important;
  overflow: hidden;
  transition: var(--t-transition);
  box-shadow: var(--t-shadow-card);
}

.course-wrapper:hover,
.blog-wrapper:hover,
.categori-course-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--t-shadow-hover);
  border-color: rgba(107,92,231,.2);
}

.blog-thumb-wrapper img,
.categori-course-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--t-transition);
}

.blog-wrapper:hover .blog-thumb-wrapper img,
.categori-course-item:hover img {
  transform: scale(1.03);
}

.blog-content-wrapper {
  padding: 20px 24px;
}

.blog-content h3,
.course-content h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--t-text);
}

.blog-content h3 a,
.course-content h3 a {
  color: var(--t-text);
  transition: var(--t-transition);
}

.blog-content h3 a:hover,
.course-content h3 a:hover {
  color: var(--t-accent);
}

.course-content {
  padding: 24px;
}

/* ===== TAG / BADGE SYSTEM ===== */
.badge {
  font-weight: 500;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: var(--t-radius-pill);
  letter-spacing: .3px;
}

.badge-new,
.badge.bg-success {
  background: var(--t-success) !important;
  color: #fff;
}

.badge-hot,
.badge.bg-danger {
  background: var(--t-danger) !important;
  color: #fff;
}

.badge-open,
.badge.bg-info {
  background: var(--t-info) !important;
  color: #fff;
}

.badge-closed,
.badge.bg-secondary {
  background: #94a3b8 !important;
  color: #fff;
}

.badge-collab,
.badge.bg-warning {
  background: var(--t-warning) !important;
  color: var(--t-text);
}

/* ===== COURSE LIST ITEM (TEEIA STYLE) ===== */
.sk-course-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 24px;
  background: var(--t-bg);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius);
  margin-bottom: 16px;
  transition: var(--t-transition);
}

.sk-course-item:hover {
  box-shadow: var(--t-shadow-hover);
  border-color: rgba(107,92,231,.2);
}

.sk-course-date {
  text-align: center;
  min-width: 72px;
  flex-shrink: 0;
}

.sk-course-date .day {
  font-size: 36px;
  font-weight: 700;
  color: var(--t-text);
  line-height: 1;
}

.sk-course-date .month {
  font-size: 13px;
  color: var(--t-text-muted);
  text-transform: uppercase;
}

.sk-course-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.sk-course-info h3 a {
  color: var(--t-text);
}

.sk-course-info h3 a:hover {
  color: var(--t-accent);
}

.sk-course-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--t-text-muted);
  margin-top: 8px;
}

.sk-course-meta i {
  margin-right: 4px;
  color: var(--t-text-light);
}

/* ===== SIDEBAR ===== */
.sidebar-widget {
  background: var(--t-bg);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius);
  overflow: hidden;
}

.sidebar-widget-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--t-border);
}

.sidebar-widget-head h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  color: var(--t-text);
}

.sidebar-widget-body {
  padding: 16px 20px;
}

.sidebar-widget-body ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-widget-body ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--t-border);
}

.sidebar-widget-body ul li:last-child {
  border-bottom: none;
}

.sidebar-widget-body ul li a {
  color: var(--t-text-muted);
  font-size: 14px;
  transition: var(--t-transition);
}

.sidebar-widget-body ul li a:hover {
  color: var(--t-accent);
  padding-left: 4px;
}

/* ===== BUTTONS ===== */
.edu-btn,
.sing-btn,
.cont-btn {
  background: var(--t-text) !important;
  color: #fff !important;
  border: none;
  padding: 12px 32px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 15px;
  transition: var(--t-transition);
  cursor: pointer;
  display: inline-block;
  text-align: center;
}

.edu-btn:hover,
.sing-btn:hover,
.cont-btn:hover {
  background: var(--t-accent) !important;
  transform: translateY(-1px);
}

/* ===== FOOTER ===== */
footer {
  background: var(--t-bg-footer) !important;
  color: #cbd5e0;
}

.university-footer-area {
  background: var(--t-bg-footer) !important;
}

.university-footer-widget-title,
.footer-widget-title {
  color: #fff !important;
  font-size: 16px;
  font-weight: 600;
}

.university-footer-widget-body p,
.university-footer-widget-body a,
.university-footer-link ul li a {
  color: #a0aec0 !important;
  font-size: 14px;
  line-height: 2;
}

.university-footer-link ul li a:hover {
  color: #fff !important;
  padding-left: 4px;
}

.university-sub-footer {
  background: #1a202c !important;
  padding: 16px 0;
}

.sub-footer-text span {
  color: #718096 !important;
  font-size: 13px;
}

.footer-logo img {
  max-height: 40px;
  opacity: .9;
}

/* ===== FOOTER SUBSCRIBE ===== */
.university-footer-subscribe .form-control,
.university-footer-subscribe input[type="text"] {
  background: rgba(255,255,255,.1) !important;
  border: 1px solid rgba(255,255,255,.2) !important;
  color: #fff !important;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  width: 100%;
  box-sizing: border-box;
  letter-spacing: 0.5px;
}

.university-footer-subscribe {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.university-footer-subscribe .field,
.university-footer-subscribe .ftfield {
  width: 100%;
}

.university-footer-subscribe button[type="submit"] {
  align-self: flex-start;
}

.university-footer-subscribe .form-control::placeholder,
.university-footer-subscribe input::placeholder {
  color: rgba(255,255,255,.5) !important;
}

.university-footer-subscribe select,
.university-footer-subscribe .ftfield select {
  background: rgba(255,255,255,.1) !important;
  border: 1px solid rgba(255,255,255,.2) !important;
  color: #cbd5e0 !important;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  width: 100%;
  appearance: auto;
  -webkit-appearance: auto;
}

.university-footer-subscribe select option {
  background: var(--t-bg-footer);
  color: #fff;
}

.university-footer-subscribe button[type="submit"] {
  position: static !important;
  background: var(--t-success) !important;
  border: none;
  border-radius: 8px;
  color: #fff;
  width: auto !important;
  height: auto !important;
  padding: 10px 24px;
  cursor: pointer;
  transition: var(--t-transition);
}

.university-footer-subscribe button[type="submit"]:hover {
  background: #16a34a !important;
}

/* field/ftfield 間距由 flex gap 控制 */

/* ===== FORM STYLES ===== */
.signup-form-wrapper .form-control,
.contact-from-input .form-control,
.contact-select select {
  border: 1px solid var(--t-border);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  transition: var(--t-transition);
}

.signup-form-wrapper .form-control:focus,
.contact-from-input .form-control:focus {
  border-color: var(--t-accent);
  box-shadow: 0 0 0 3px rgba(107,92,231,.1);
}

.form-label {
  font-weight: 500;
  font-size: 14px;
  color: var(--t-text);
  margin-bottom: 6px;
}

.required {
  color: var(--t-danger);
}

/* ===== MOBILE BOTTOM NAV ===== */
.sk-bottom-nav {
  background: var(--t-bg);
  border-top: 1px solid var(--t-border);
  box-shadow: 0 -2px 10px rgba(0,0,0,.06);
}

.sk-bottom-nav a {
  color: var(--t-text-muted);
  font-size: 11px;
}

.sk-bottom-nav a.active,
.sk-bottom-nav a:hover {
  color: var(--t-accent);
}

/* ===== SCROLL REVEAL ===== */
.sk-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}

.sk-reveal.sk-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== SPACING ===== */
.pt-50 { padding-top: var(--t-section-gap) !important; }
.pb-50 { padding-bottom: var(--t-section-gap) !important; }
.pt-100 { padding-top: 80px !important; }
.pb-60 { padding-bottom: 60px !important; }

.container {
  max-width: var(--t-max-width);
}

/* ===== LINKS SECTION (友站連結) ===== */
.sk-partner-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--t-bg);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius);
  transition: var(--t-transition);
}

.sk-partner-card:hover {
  box-shadow: var(--t-shadow-card);
}

/* ===== VIEW MORE LINK (TEEIA STYLE) ===== */
.sk-view-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--t-text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: var(--t-transition);
  text-decoration: none;
}

.sk-view-more::after {
  content: '+';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--t-border);
  border-radius: 50%;
  font-size: 16px;
  transition: var(--t-transition);
}

.sk-view-more:hover {
  color: var(--t-accent);
}

.sk-view-more:hover::after {
  background: var(--t-accent);
  border-color: var(--t-accent);
  color: #fff;
}

/* ===== SECTION HEADER (TEEIA STYLE) ===== */
.sk-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.sk-section-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--t-text);
  margin: 0;
}

/* ===== ALTERNATING SECTION BG ===== */
.sk-section-alt {
  background: var(--t-bg-alt);
}

/* ===== PROGRESS WRAP ===== */
.progress-wrap {
  border: 1px solid var(--t-border) !important;
  background: var(--t-bg) !important;
}

.progress-wrap svg path {
  stroke: var(--t-accent) !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1199px) {
  .main-menu nav ul li a {
    padding: 8px 14px !important;
    font-size: 14px;
  }
}

@media (max-width: 991px) {
  .hero-arera {
    padding: 32px 0 !important;
  }
  .hero-course-1-text h2 {
    font-size: 24px !important;
  }
  .carousel-slide img {
    height: 300px;
  }
}

@media (max-width: 767px) {
  :root {
    --t-section-gap: 40px;
  }
  .hero-course-1-text h2 {
    font-size: 20px !important;
  }
  .blog-content-wrapper {
    padding: 16px;
  }
  .sk-course-item {
    flex-direction: column;
    gap: 12px;
  }
  .sk-course-date {
    display: flex;
    align-items: baseline;
    gap: 8px;
  }
  .sk-course-date .day {
    font-size: 24px;
  }
}