#main-content {
  --bg-color: #0a0a0a;
  --text-color: #f0f0f0;
  --accent-gold: #d4af37;
  --accent-hover: #b59226;
  --secondary-bg: #1a1a1a;
  --border-color: #333;
}

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

#main-content {
  font-family: 'Noto Sans TC', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

#main-content h1,
#main-content h2,
#main-content h3 {
  font-family: 'Noto Serif TC', serif;
  font-weight: 700;
  color: #FFFFFF!important;
}
#main-content p{
  color: #FFFFFF!important;
}
#main-content a {
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
}

#main-content ul {
  list-style: none;
}

/* --- NAVIGATION --- */
#main-content header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 5%;
  background-color: rgba(10, 10, 10, 0.95);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

#main-content .logo {
  font-size: 1.1rem;
  font-weight: bold;
  letter-spacing: 1px;
}

#main-content .logo span {
  color: var(--accent-gold);
}

#main-content nav ul {
  display: flex;
  gap: 30px;
}

#main-content nav a:hover {
  color: var(--accent-gold);
}

#main-content .cta-btn {
  background-color: var(--accent-gold);
  color: #000;
  padding: 10px 25px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  border-radius: 2px;
}

#main-content .cta-btn:hover {
  background-color: var(--accent-hover);
}

/* --- HERO SECTION --- */
#main-content .hero {
  height: 90vh;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7)),
    url('../images/banner.jpg');
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 20px;
}

#main-content .hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1.3;
  letter-spacing: 2px;
}

#main-content .hero p {
  color: #FFFFFF!important;
  font-size: 1.2rem;
  max-width: 600px;
  margin-bottom: 30px;
  font-weight: 300;
}

#main-content .hero-meta {
  margin-top: 20px;
  font-size: 0.9rem;
  letter-spacing: 2px;
  opacity: 0.8;
  text-transform: uppercase;
}

/* --- SECTION GENERIC STYLES --- */
#main-content section {
  padding: 80px 15px;
}

#main-content .section-title {
  font-size: 2.2rem;
  margin-bottom: 50px;
  text-align: center;
  position: relative;
  letter-spacing: 1px;
}

#main-content .section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--accent-gold);
  margin: 20px auto 0;
}

/* --- ABOUT --- */
#main-content .about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.1rem;
}

/* --- CATEGORIES (GRID) --- */
#main-content .categories {
  background-color: var(--secondary-bg);
}

#main-content .category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

#main-content .cat-card {
  background-color: var(--bg-color);
  padding: 40px;
  border: 1px solid var(--border-color);
  transition: 0.3s;
}

#main-content .cat-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-5px);
}

#main-content .cat-card h3 {
  margin-bottom: 15px;
  color: var(--accent-gold);
  font-size: 1.4rem;
}

#main-content .cat-specs {
  margin-top: 20px;
  font-size: 0.85rem;
  color: #888;
  letter-spacing: 1px;
}

/* --- PRIZES --- */
#main-content .prizes-container {
  display: flex;
  flex-wrap: wrap;
  gap: 50px;
  align-items: center;
  justify-content: center;
}

#main-content .prize-text {
  flex: 1;
  min-width: 300px;
}

#main-content .prize-text ul {
  margin-top: 20px;
}

#main-content .prize-text li {
  margin-bottom: 20px;
  padding-left: 20px;
  border-left: 2px solid var(--accent-gold);
}

#main-content .prize-img {
  flex: 1;
  min-width: 300px;
  height: 400px;
  background: url('../images/02.jpg')
    center/cover;
  border-radius: 4px;
}

/* --- TIMELINE --- */
#main-content .timeline {
  background-color: var(--secondary-bg);
  text-align: center;
}

#main-content .timeline-flex {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-top: 40px;
  gap: 30px;
}

#main-content .time-point h3 {
  font-size: 1.5rem;
  color: var(--accent-gold);
  margin-bottom: 10px;
}

#main-content .time-point span {
  font-size: 0.9rem;
  letter-spacing: 1px;
}

/* --- JUDGES --- */
#main-content .judges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

#main-content .judge-card {
  background-color: var(--secondary-bg);
  border: 1px solid var(--border-color);
  padding: 40px;
  text-align: center;
  transition: 0.3s;
}

#main-content .judge-card:hover {
  border-color: var(--accent-gold);
}

#main-content .judge-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background-color: #222;
  margin: 0 auto 20px;
  object-fit: cover;
  border: 2px solid var(--border-color);
}

#main-content .judge-card h3 {
  font-size: 1.5rem;
  color: var(--accent-gold);
  margin-bottom: 5px;
}

#main-content .judge-title {
  font-size: 1rem;
  color: #ccc;
  margin-bottom: 20px;
  font-weight: bold;
}

#main-content .judge-bio {
  font-size: 0.85rem;
  color: #aaa;
  text-align: left;
}

#main-content .judge-bio p {
  margin-bottom: 15px;
}

/* --- RULES / TECH SPECS --- */
#main-content .rules {
  background-color: var(--bg-color);
}

#main-content .rules-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

#main-content .rules-col h3 {
  margin-bottom: 20px;
  border-bottom: 1px solid #333;
  padding-bottom: 10px;
}

#main-content .rules-col ul li {
  margin-bottom: 10px;
  list-style: disc;
  margin-left: 20px;
  color: #ccc;
}

#main-content .rules-slogan {
  margin-top: 45px;
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--accent-gold) !important;
}

/* --- SUPPORTERS --- */
#main-content .supporters {
  
  text-align: center;
}

#main-content .supporters-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
}

#main-content .supporters-logos a {
  display: inline-block;
  transition: opacity 0.3s;
}

#main-content .supporters-logos a:hover {
  opacity: 0.75;
}

#main-content .supporters-logos img {
  max-height: 100px;
  width: auto;
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 768px) {
  #main-content .hero h1 {
    font-size: 2rem;
  }

  #main-content nav {
    display: none;
  }

  #main-content .rules-grid {
    grid-template-columns: 1fr;
  }

  #main-content .rules-slogan {
    font-size: 1.5rem;
  }

  #main-content .timeline-flex {
    flex-direction: column;
  }
}

/* --- REGISTRATION PAGE --- */
#main-content .signup-slider {
  min-height: 260px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.75)),
    url("../images/banner.jpg");
  background-size: cover;
  background-position: center;
}

#main-content .signup-slider-overlay {
  position: absolute;
  inset: 0;
}

#main-content .signup-slider-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

#main-content .signup-slider-content h1 {
  font-size: 2rem;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

#main-content .signup-slider-content p {
  font-size: 1.25rem;
  color: var(--accent-gold);
  margin-bottom: 6px;
}

#main-content .signup-slider-content span {
  font-size: 0.95rem;
  opacity: 0.9;
}

#main-content .signup-form-section {
  padding-top: 40px;
  padding-bottom: 80px;
}

#main-content .signup-form-wrap {
  max-width: 1080px;
  margin: 0 auto;
  background: #111;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 40px;
}

#main-content .signup-form .section-title {
  margin-bottom: 35px;
}

#main-content .signup-fieldset {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

#main-content .signup-fieldset legend {
  font-size: 1.1rem;
  color: var(--accent-gold);
  padding: 0 10px;
  width: auto;
  margin-bottom: 0;
  font-weight: 700;
}

#main-content .signup-grid {
  display: grid;
  gap: 18px;
}

#main-content .signup-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

#main-content .signup-grid.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

#main-content .signup-field {
  margin-bottom: 16px;
}

#main-content .signup-field label {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 8px;
}

#main-content .signup-field input:not([type="radio"]):not([type="checkbox"]),
#main-content .signup-field select,
#main-content .signup-field textarea {
  width: 100%;
  border: 1px solid #3d3d3d;
  background: #191919;
  color: #fff;
  border-radius: 4px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.2s;
}

#main-content .signup-field input:not([type="radio"]):not([type="checkbox"]),
#main-content .signup-field select {
  height: 50px;
}

#main-content .signup-field input:focus,
#main-content .signup-field select:focus,
#main-content .signup-field textarea:focus {
  border-color: var(--accent-gold);
}

#main-content .signup-field select option {
  height: 50px;
}

#main-content .option-group {
  display: flex;
  flex-wrap: nowrap;
  gap: 14px;
  overflow-x: auto;
}

#main-content .option-group label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0;
  font-size: 0.95rem;
  white-space: nowrap;
}

#main-content .option-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  overflow: visible;
}

#main-content .member-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin: 6px 0 12px;
}

#main-content .member-add-row {
  margin-top: 10px;
}

#main-content .member-add-btn {
  background: transparent;
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
  padding: 8px 14px;
  border-radius: 4px;
  cursor: pointer;
}

#main-content .member-add-btn:hover {
  background: rgba(212, 175, 55, 0.12);
}

#main-content .member-block {
  margin-bottom: 18px;
}

#main-content .single-check {
  display: flex !important;
  align-items: center;
  gap: 10px;
  justify-content: flex-start;
  text-align: left;
}

#main-content .single-check input[type="checkbox"] {
  width: auto;
  height: auto;
  flex: 0 0 auto;
}

#main-content .consent-row {
  text-align: left;
}

#main-content .word-counter {
  margin-top: 8px;
  font-size: 0.85rem;
  color: #aaa;
}

#main-content .submit-row {
  text-align: center;
  margin-top: 28px;
}

#main-content .submit-btn {
  border: 0;
  cursor: pointer;
  padding: 12px 36px;
}

#main-content .submit-note {
  margin-top: 14px;
  margin-bottom: 0;
  font-size: 0.92rem;
  color: #d0d0d0;
}

#main-content .thankyou-section {
  padding: 56px 10% 84px;
}

#main-content .thankyou-card {
  max-width: 760px;
  margin: 0 auto;
  background: #111;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 42px 30px;
  text-align: center;
}

#main-content .thankyou-card h2 {
  font-size: 2rem;
  margin-bottom: 18px;
  color: var(--accent-gold);
}

#main-content .thankyou-card p {
  color: #e5e5e5;
}

#main-content .warning-note {
  border: 1px solid #6b5a23;
  background: rgba(212, 175, 55, 0.08);
  padding: 14px 16px;
  border-radius: 6px;
  color: #f0ddb0;
  margin-bottom: 22px;
  line-height: 1.7;
}

#main-content .option-group-stacked {
  display: block;
  overflow: visible;
}

#main-content .option-group-stacked label {
  display: flex;
  white-space: normal;
  line-height: 1.5;
}

#main-content .invalid-feedback {
  display: none;
  color: #ff8f8f;
  font-size: 0.85rem;
  margin-top: 6px;
}

#main-content .invalid-feedback.err {
  display: block;
}
#main-content input[type="radio"], #main-content input[type="checkbox"]{
  margin-bottom: 0!important;
}
@media (max-width: 992px) {
  #main-content .signup-grid.two-col,
  #main-content .signup-grid.three-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  #main-content .signup-slider {
    min-height: 220px;
    padding: 30px 16px;
  }

  #main-content .signup-slider-content h1 {
    font-size: 1.35rem;
  }

  #main-content .signup-slider-content p {
    font-size: 1.05rem;
  }

  #main-content .signup-form-wrap {
    padding: 20px;
  }
}