*, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Patrick Hand', 'Noto Sans SC', cursive;
      background: #fdfbf7;
      color: #2d2d2d;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    /* ── Paper Texture Background ── */
    .paper-bg {
      position: fixed;
      inset: 0;
      z-index: 0;
      background-color: #fdfbf7;
      background-image: 
        radial-gradient(#e5e0d8 1px, transparent 1px),
        radial-gradient(#e5e0d8 1px, transparent 1px);
      background-size: 24px 24px, 48px 48px;
      background-position: 0 0, 12px 12px;
      pointer-events: none;
    }

    /* ── Wobbly Border Radius Values ── */
    .wobbly-sm { border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px; }
    .wobbly { border-radius: 20px 200px 20px 200px / 200px 20px 200px 20px; }
    .wobbly-md { border-radius: 30px 250px 30px 250px / 250px 30px 250px 30px; }
    .wobbly-lg { border-radius: 40px 300px 40px 300px / 300px 40px 300px 40px; }
    .wobbly-xl { border-radius: 60px 400px 60px 400px / 400px 60px 400px 60px; }

    /* ── Hard Offset Shadows ── */
    .shadow-sketch {
      box-shadow: 4px 4px 0px 0px #2d2d2d;
    }
    .shadow-sketch-lg {
      box-shadow: 6px 6px 0px 0px #2d2d2d;
    }
    .shadow-sketch-xl {
      box-shadow: 8px 8px 0px 0px #2d2d2d;
    }
    .shadow-sketch-hover:hover {
      box-shadow: 2px 2px 0px 0px #2d2d2d;
      transform: translate(2px, 2px);
    }
    .shadow-sketch-active:active {
      box-shadow: 0px 0px 0px 0px #2d2d2d;
      transform: translate(4px, 4px);
    }

    /* ── Content Layer ── */
    .content-layer { position: relative; z-index: 10; }

    /* ── Typography ── */
    .font-hand { font-family: 'Kalam', cursive; }
    .font-body { font-family: 'Patrick Hand', cursive; }
    
    /* ── Hand-drawn Underline ── */
    .hand-underline {
      position: relative;
      display: inline-block;
    }
    .hand-underline::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 3px;
      background: #ff4d4d;
      border-radius: 50% 50% 50% 50% / 100% 100% 0 0;
      transform: rotate(-1deg);
    }

    /* ── Navbar ── */
    #navbar {
      transition: all 0.3s ease;
    }
    #navbar.scrolled {
      background: rgba(253, 251, 247, 0.95) !important;
      backdrop-filter: blur(10px);
      border-bottom: 3px solid #2d2d2d;
    }

    /* ── Nav Links ── */
    .nav-link {
      position: relative;
      color: #2d2d2d;
      font-size: 16px;
      font-weight: 400;
      transition: all 0.2s;
      padding: 6px 12px;
      font-family: 'Patrick Hand', cursive;
    }
    .nav-link:hover {
      color: #ff4d4d;
      transform: rotate(-1deg);
    }
    .nav-link.active-link {
      color: #ff4d4d;
      font-weight: 700;
    }
    .nav-link.active-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 10%;
      width: 80%;
      height: 2px;
      background: #ff4d4d;
      border-radius: 50%;
      transform: rotate(-2deg);
    }

    /* ── Buttons ── */
    .btn-primary {
      background: #ffffff;
      color: #2d2d2d;
      font-weight: 700;
      font-size: 18px;
      border: 3px solid #2d2d2d;
      padding: 12px 28px;
      cursor: pointer;
      box-shadow: 4px 4px 0px 0px #2d2d2d;
      transition: all 0.15s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      text-decoration: none;
      font-family: 'Patrick Hand', cursive;
    }
    .btn-primary:hover {
      background: #ff4d4d;
      color: #ffffff;
      box-shadow: 2px 2px 0px 0px #2d2d2d;
      transform: translate(2px, 2px);
    }
    .btn-primary:active {
      box-shadow: 0px 0px 0px 0px #2d2d2d;
      transform: translate(4px, 4px);
    }

    .btn-secondary {
      background: #e5e0d8;
      color: #2d2d2d;
      font-weight: 400;
      font-size: 16px;
      border: 2px solid #2d2d2d;
      padding: 10px 20px;
      cursor: pointer;
      box-shadow: 3px 3px 0px 0px #2d2d2d;
      transition: all 0.15s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      text-decoration: none;
      font-family: 'Patrick Hand', cursive;
    }
    .btn-secondary:hover {
      background: #2d5da1;
      color: #ffffff;
      box-shadow: 1px 1px 0px 0px #2d2d2d;
      transform: translate(2px, 2px);
    }

    .btn-ghost {
      background: transparent;
      color: #2d2d2d;
      font-weight: 400;
      font-size: 16px;
      border: 2px dashed #2d2d2d;
      padding: 10px 20px;
      cursor: pointer;
      transition: all 0.15s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      text-decoration: none;
      font-family: 'Patrick Hand', cursive;
    }
    .btn-ghost:hover {
      background: rgba(255, 77, 77, 0.1);
      border-style: solid;
    }

    /* ── Cards ── */
    .card {
      background: #ffffff;
      border: 3px solid #2d2d2d;
      position: relative;
      overflow: visible;
      transition: all 0.2s ease;
      box-shadow: 4px 4px 0px 0px rgba(45, 45, 45, 0.15);
    }
    .card:hover {
      transform: rotate(-1deg) translateY(-4px);
      box-shadow: 6px 6px 0px 0px rgba(45, 45, 45, 0.2);
    }

    .card-sticky {
      background: #fff9c4;
      border: 3px solid #2d2d2d;
      position: relative;
      box-shadow: 4px 4px 0px 0px #2d2d2d;
    }
    .card-sticky::before {
      content: '';
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%) rotate(-2deg);
      width: 60px;
      height: 20px;
      background: rgba(200, 200, 200, 0.6);
      border: 1px solid rgba(45, 45, 45, 0.3);
    }

    /* ── Tape Effect ── */
    .tape {
      position: absolute;
      top: -10px;
      left: 50%;
      transform: translateX(-50%) rotate(-3deg);
      width: 80px;
      height: 24px;
      background: rgba(200, 200, 200, 0.5);
      border: 1px solid rgba(45, 45, 45, 0.2);
    }

    /* ── Pin Effect ── */
    .pin {
      position: absolute;
      top: -8px;
      left: 50%;
      transform: translateX(-50%);
      width: 16px;
      height: 16px;
      background: #ff4d4d;
      border-radius: 50%;
      border: 2px solid #2d2d2d;
      box-shadow: 2px 2px 0px rgba(0,0,0,0.2);
    }

    /* ── Mobile Menu ── */
    #mobile-menu {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, opacity 0.2s;
      opacity: 0;
    }
    #mobile-menu.open { 
      max-height: 400px; 
      opacity: 1; 
    }

    /* ── Tab Panel ── */
    .tab-panel { display: none; }
    .tab-panel.active { display: grid; }

    /* ── Tab Button ── */
    .tab-btn {
      font-size: 16px;
      font-weight: 700;
      padding: 10px 24px;
      color: #2d2d2d;
      border: 2px solid #2d2d2d;
      background: #ffffff;
      cursor: pointer;
      transition: all 0.15s;
      font-family: 'Patrick Hand', cursive;
      box-shadow: 3px 3px 0px 0px #2d2d2d;
    }
    .tab-btn:hover { 
      background: #e5e0d8; 
      transform: translate(1px, 1px);
      box-shadow: 2px 2px 0px 0px #2d2d2d;
    }
    .tab-btn.active {
      background: #ff4d4d;
      color: #ffffff;
      box-shadow: 2px 2px 0px 0px #2d2d2d;
      transform: translate(1px, 1px);
    }

    /* ── Form ── */
    .form-input {
      width: 100%;
      padding: 12px 16px;
      border: 2px solid #2d2d2d;
      font-family: 'Patrick Hand', cursive;
      font-size: 16px;
      background: #ffffff;
      color: #2d2d2d;
      transition: all 0.2s;
      outline: none;
    }
    .form-input:focus {
      border-color: #2d5da1;
      box-shadow: 3px 3px 0px 0px #2d5da1;
      transform: translate(-2px, -2px);
    }
    .form-input::placeholder { color: rgba(45, 45, 45, 0.4); }

    /* ── WhatsApp Float ── */
    #wa-float {
      position: fixed;
      bottom: 24px; 
      right: 24px;
      z-index: 9999;
      width: 56px; 
      height: 56px;
      background: #25D366;
      border: 3px solid #2d2d2d;
      display: flex; 
      align-items: center; 
      justify-content: center;
      box-shadow: 4px 4px 0px 0px #2d2d2d;
      transition: all 0.2s;
      cursor: pointer;
      text-decoration: none;
    }
    #wa-float::before {
      content: '';
      position: absolute;
      inset: -4px;
      border-radius: inherit;
      border: 2px solid #25D366;
      animation: pulse-ring 2.5s ease-out infinite;
      pointer-events: none;
    }
    #wa-float:hover {
      transform: rotate(-5deg) scale(1.1);
      box-shadow: 6px 6px 0px 0px #2d2d2d;
    }

    /* ── Lang Button ── */
    .lang-btn {
      font-size: 14px;
      padding: 6px 12px;
      color: #2d2d2d;
      transition: all 0.15s;
      cursor: pointer;
      border: 2px solid transparent;
      background: transparent;
      font-family: 'Patrick Hand', cursive;
    }
    .lang-btn:hover { 
      color: #ff4d4d; 
      transform: rotate(-2deg);
    }
    .lang-btn.active { 
      color: #ff4d4d; 
      border-color: #2d2d2d;
      background: #fff9c4;
      font-weight: 700;
      box-shadow: 2px 2px 0px 0px #2d2d2d;
    }

    /* ── Section Divider ── */
    .section-divider {
      height: 3px;
      background: repeating-linear-gradient(
        90deg,
        #2d2d2d 0px,
        #2d2d2d 10px,
        transparent 10px,
        transparent 15px
      );
      margin: 0 auto;
      max-width: 200px;
      transform: rotate(-0.5deg);
    }

    /* ── Tag Badge ── */
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      font-size: 14px;
      font-weight: 700;
      border: 2px solid #2d2d2d;
      background: #fff9c4;
      font-family: 'Patrick Hand', cursive;
      box-shadow: 2px 2px 0px 0px #2d2d2d;
      transform: rotate(-1deg);
    }

    /* ── Feature Icon ── */
    .feature-icon {
      width: 56px; 
      height: 56px;
      border: 2px solid #2d2d2d;
      background: #ffffff;
      display: flex; 
      align-items: center; 
      justify-content: center;
      flex-shrink: 0;
      box-shadow: 3px 3px 0px 0px #2d2d2d;
    }

    /* ── Fade-up Animation ── */
    .fade-up {
      opacity: 0;
      transform: translateY(40px);
      transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), 
                  transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .fade-up.visible { 
      opacity: 1; 
      transform: translateY(0); 
    }
    .delay-1 { transition-delay: 0.1s; }
    .delay-2 { transition-delay: 0.2s; }
    .delay-3 { transition-delay: 0.3s; }
    .delay-4 { transition-delay: 0.4s; }
    .delay-5 { transition-delay: 0.5s; }

    /* ── Doodle Decorations ── */
    .doodle-circle {
      position: absolute;
      border: 2px dashed #ff4d4d;
      border-radius: 50%;
      animation: bounce 3s ease-in-out infinite;
    }
    @keyframes bounce {
      0%, 100% { transform: translateY(0) rotate(0deg); }
      50% { transform: translateY(-10px) rotate(5deg); }
    }

    .doodle-arrow {
      position: absolute;
      width: 60px;
      height: 60px;
    }
    .doodle-arrow svg {
      width: 100%;
      height: 100%;
      stroke: #ff4d4d;
      stroke-width: 2;
      fill: none;
      stroke-dasharray: 4 4;
    }

    /* ── Star Rating ── */
    .star-gold { color: #F5A623; }

    /* ── Map Wrapper ── */
    .map-wrapper {
      border: 3px solid #2d2d2d;
      overflow: hidden;
      box-shadow: 4px 4px 0px 0px #2d2d2d;
    }

    /* ── Speech Bubble ── */
    .speech-bubble {
      position: relative;
      background: #ffffff;
      border: 3px solid #2d2d2d;
      padding: 20px;
      box-shadow: 4px 4px 0px 0px #2d2d2d;
    }
    .speech-bubble::after {
      content: '';
      position: absolute;
      bottom: -15px;
      left: 30px;
      width: 0;
      height: 0;
      border-left: 15px solid transparent;
      border-right: 15px solid transparent;
      border-top: 15px solid #2d2d2d;
    }
    .speech-bubble::before {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 33px;
      width: 0;
      height: 0;
      border-left: 12px solid transparent;
      border-right: 12px solid transparent;
      border-top: 12px solid #ffffff;
      z-index: 1;
    }

    /* ── Check List ── */
    .check-item {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .check-box {
      width: 24px;
      height: 24px;
      border: 2px solid #2d2d2d;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      background: #fff9c4;
    }

    /* ── Focus States ── */
    *:focus-visible {
      outline: 3px dashed #ff4d4d;
      outline-offset: 3px;
    }

    /* ── Reduced Motion ── */
    @media (prefers-reduced-motion: reduce) {
      .fade-up { transition: opacity 0.3s; transform: none; }
      .fade-up.visible { transform: none; }
      .doodle-circle { animation: none; }
      *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    }

    /* ── Back to Top Button ── */
    #back-to-top {
      position: fixed;
      bottom: 88px; right: 24px;
      z-index: 9998;
      width: 44px; height: 44px;
      background: #ffffff;
      border: 3px solid #2d2d2d;
      display: flex; align-items: center; justify-content: center;
      box-shadow: 3px 3px 0px 0px #2d2d2d;
      cursor: pointer;
      text-decoration: none;
      opacity: 0;
      transform: translateY(12px);
      transition: all 0.3s ease;
      pointer-events: none;
      border-radius: 50%;
    }
    #back-to-top.visible {
      opacity: 1; transform: translateY(0);
      pointer-events: auto;
    }
    #back-to-top:hover {
      background: #ff4d4d;
      box-shadow: 2px 2px 0px 0px #2d2d2d;
      transform: translateY(-2px);
    }
    #back-to-top:hover i { color: #ffffff; }
    #back-to-top i {
      color: #2d2d2d;
      font-size: 18px;
      transition: color 0.2s;
    }

    /* ── Number Counter Animation ── */
    .counter { display: inline-block; min-width: 2ch; }
    .counter-animate { transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1); }

    /* ── Smooth Scroll Offset for Fixed Navbar ── */
    html { scroll-padding-top: 80px; }

    /* ── Card Hover Enhancement ── */
    .card {
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .card:hover {
      transform: rotate(-1deg) translateY(-6px) scale(1.01);
      box-shadow: 8px 8px 0px 0px rgba(45, 45, 45, 0.22);
    }

    /* ── Gradient text for accents ── */
    .text-gradient {
      background: linear-gradient(135deg, #ff4d4d 0%, #ff6b6b 50%, #2d5da1 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    /* ── Pulse ring for CTA ── */
    @keyframes pulse-ring {
      0% { transform: scale(1); opacity: 1; }
      100% { transform: scale(1.35); opacity: 0; }
    }
    .btn-primary-pulse {
      position: relative;
    }
    .btn-primary-pulse::before {
      content: '';
      position: absolute;
      inset: -4px;
      border-radius: inherit;
      border: 2px solid #ff4d4d;
      animation: pulse-ring 2s ease-out infinite;
      pointer-events: none;
    }

    /* ── Course Accordion ── */
    .course-accordion-header {
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .course-accordion-header:hover .card {
      transform: translateY(-3px);
      box-shadow: 7px 7px 0px 0px rgba(45, 45, 45, 0.2);
    }
    .course-accordion.active .course-arrow {
      transform: rotate(180deg);
    }
    .course-accordion-body {
      transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
    }

    /* ── Staggered entrance for hero elements ── */
    @keyframes slideUpFade {
      from { opacity: 0; transform: translateY(30px) rotate(-1deg); }
      to   { opacity: 1; transform: translateY(0) rotate(0deg); }
    }
    .hero-entrance {
      animation: slideUpFade 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
      opacity: 0;
    }
    .hero-entrance.d1 { animation-delay: 0.1s; }
    .hero-entrance.d2 { animation-delay: 0.2s; }
    .hero-entrance.d3 { animation-delay: 0.35s; }
    .hero-entrance.d4 { animation-delay: 0.5s; }
    .hero-entrance.d5 { animation-delay: 0.65s; }

    /* ── Responsive ── */
    @media (max-width: 767px) {
      .wobbly-lg { border-radius: 30px 150px 30px 150px / 150px 30px 150px 30px; }
      .wobbly-xl { border-radius: 40px 200px 40px 200px / 200px 40px 200px 40px; }
    }

    /* ── Branch Modal ── */
    #branch-modal {
      position: fixed; inset: 0;
      z-index: 99999;
      background: rgba(0,0,0,0.5);
      display: flex; align-items: center; justify-content: center;
      opacity: 0; visibility: hidden;
      transition: opacity 0.3s ease, visibility 0.3s ease;
      padding: 20px;
    }
    #branch-modal.open {
      opacity: 1; visibility: visible;
    }
    #branch-modal .modal-content {
      background: #fdfbf7;
      border: 4px solid #2d2d2d;
      max-width: 420px;
      width: 100%;
      padding: 32px 24px 24px;
      position: relative;
      transform: scale(0.9) translateY(20px);
      transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    }
    #branch-modal.open .modal-content {
      transform: scale(1) translateY(0);
    }
    .branch-option {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 14px 18px;
      border: 3px solid #2d2d2d;
      background: #ffffff;
      cursor: pointer;
      transition: all 0.15s;
      text-decoration: none;
      color: #2d2d2d;
      box-shadow: 3px 3px 0px 0px #2d2d2d;
    }
    .branch-option:hover {
      transform: translate(2px, 2px);
      box-shadow: 1px 1px 0px 0px #2d2d2d;
    }
    .branch-option .branch-icon {
      width: 44px; height: 44px;
      border: 2px solid #2d2d2d;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      background: #fff9c4;
    }

    /* ── About 页 GSAP Pin + 横向滑动 ── */
    .about-scroll-section {
      position: relative;
    }
    .about-pin-wrap {
      height: 100vh;
      height: 100dvh;
      overflow: hidden;
      background: #fdfbf7;
    }
    .about-slider-wrap {
      position: relative;
      display: flex;
      flex-direction: column;
      height: 100%;
      padding-top: 5rem;
      box-sizing: border-box;
    }
    @media (min-width: 768px) {
      .about-slider-wrap { padding-top: 7rem; }
    }
    .about-slider-nav {
      flex-shrink: 0;
    }
    .about-slider-viewport {
      flex: 1;
      overflow: hidden;
      min-height: 0;
    }
    .about-slider-track {
      display: flex;
      height: 100%;
      will-change: transform;
    }
    .about-slide {
      flex: 0 0 100vw;
      width: 100vw;
      height: 100%;
      overflow-y: auto;
      overflow-x: hidden;
      box-sizing: border-box;
      padding-bottom: 1.5rem;
    }
    .about-slide-inner {
      min-height: min(100%, 100%);
    }
    /* 无 GSAP / prefers-reduced-motion：原生横向滑动 */
    .about-scroll-section.about-fallback .about-pin-wrap {
      height: auto;
      min-height: calc(100vh - 4rem);
      min-height: calc(100dvh - 4rem);
    }
    .about-scroll-section.about-fallback .about-slider-wrap {
      height: auto;
      min-height: inherit;
    }
    .about-scroll-section.about-fallback .about-slider-viewport {
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      scrollbar-width: none;
    }
    .about-scroll-section.about-fallback .about-slider-viewport::-webkit-scrollbar { display: none; }
    .about-scroll-section.about-fallback .about-slider-track {
      height: auto;
      min-height: min(720px, calc(100vh - 11rem));
    }
    .about-scroll-section.about-fallback .about-slide {
      scroll-snap-align: start;
      scroll-snap-stop: always;
    }
    .about-slider-btn {
      width: 44px;
      height: 44px;
      border: 3px solid #2d2d2d;
      background: #ffffff;
      color: #2d2d2d;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 3px 3px 0px 0px #2d2d2d;
      transition: all 0.15s;
      flex-shrink: 0;
    }
    .about-slider-btn:hover:not(:disabled) {
      background: #ff4d4d;
      color: #ffffff;
      transform: translate(2px, 2px);
      box-shadow: 1px 1px 0px 0px #2d2d2d;
    }
    .about-slider-btn:disabled {
      opacity: 0.35;
      cursor: not-allowed;
    }
    .about-slider-dot {
      width: 10px;
      height: 10px;
      border: 2px solid #2d2d2d;
      border-radius: 50%;
      background: transparent;
      cursor: pointer;
      padding: 0;
      transition: background 0.2s, transform 0.2s;
    }
    .about-slider-dot.active {
      background: #ff4d4d;
      transform: scale(1.2);
    }
    .about-slider-label {
      font-family: 'Kalam', cursive;
      font-weight: 700;
      color: #2d2d2d;
      min-width: 5rem;
      text-align: center;
    }
    .about-h-scroll {
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      margin: 0 -0.5rem;
      padding: 0.5rem 0.5rem 1rem;
    }
    .about-h-scroll::-webkit-scrollbar { display: none; }
    .about-h-scroll-track {
      display: flex;
      gap: 1.25rem;
      width: max-content;
      padding-right: 1rem;
    }
    .about-h-scroll-track > .card,
    .about-h-scroll-track > .speech-bubble {
      flex: 0 0 min(88vw, 340px);
      scroll-snap-align: center;
      max-width: 340px;
    }
    @media (min-width: 768px) {
      .about-h-scroll-track > .card,
      .about-h-scroll-track > .speech-bubble {
        flex: 0 0 320px;
      }
    }