/* ==================================================================
   乐乒运动中心 · 轻包豪斯设计系统
   Bauhaus Light — 几何 · 色彩 · 留白 · 精致
   ================================================================== */

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

/* ===== BAUHAUS LIGHT COLOR SYSTEM ===== */
:root {
  --bh-white: #FFFFFF;
  --bh-off-white: #F5F5F3;
  --bh-lighter: #F0EFEB;

  --bh-black: #1A1A1A;
  --bh-dark: #2A2A2A;

  --bh-red: #E53935;
  --bh-red-light: #FEF2F2;
  --bh-yellow: #FFC107;
  --bh-yellow-light: #FFFBEB;
  --bh-blue: #1565C0;
  --bh-blue-light: #EBF5FF;

  --bh-gray: #888888;
  --bh-gray-light: #C8C8C8;
  --bh-border: #E0DDD7;
  --bh-border-light: #EFEEE9;

  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Courier New', monospace;
}

body {
  font-family: var(--font-sans);
  font-size: 16px; line-height: 1.6;
  color: var(--bh-black);
  background: var(--bh-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ===== SCROLL REVEAL ===== */
.section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.section.revealed { opacity: 1; transform: translateY(0); }

/* ===== BAUHAUS GEOMETRIC TYPOGRAPHY ===== */
.bh-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.bh-subtitle {
  font-size: clamp(0.88rem, 1.3vw, 1.05rem);
  color: var(--bh-gray);
  line-height: 1.55;
}
.bh-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.bh-label::before {
  content: '';
  display: inline-block;
  width: 20px; height: 2px;
  background: var(--bh-black);
}
.bh-label.bh-label-red::before { background: var(--bh-red); }
.bh-label.bh-label-blue::before { background: var(--bh-blue); }
.bh-label.bh-label-yellow::before { background: var(--bh-yellow); }

/* Bauhaus geometric dividers */
.bh-rule {
  height: 3px;
  margin: 0;
  border: none;
}
.bh-rule-red { background: var(--bh-red); }
.bh-rule-blue { background: var(--bh-blue); }
.bh-rule-yellow { background: var(--bh-yellow); }
.bh-rule-black { background: var(--bh-black); }

.bh-rule-combo {
  height: 3px;
  border: none;
  background: repeating-linear-gradient(
    90deg,
    var(--bh-red) 0px,
    var(--bh-red) 40px,
    transparent 40px,
    transparent 50px,
    var(--bh-blue) 50px,
    var(--bh-blue) 90px,
    transparent 90px,
    transparent 100px,
    var(--bh-yellow) 100px,
    var(--bh-yellow) 140px,
    transparent 140px
  );
}

/* ==================================================================
   NAVIGATION — Clean white with red accent
   ================================================================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--bh-white);
  border-bottom: 1px solid var(--bh-border-light);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav.nav-hidden { transform: translateY(-100%); }
.nav::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 2px;
  background: var(--bh-red);
}
.nav-inner {
  max-width: 1120px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 56px;
}
.nav-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.1rem; }
.logo-icon { font-size: 1.2rem; }
.logo-hp { font-weight: 900; }
.logo-text { letter-spacing: -0.3px; }

.nav-menu { display: flex; gap: 0; }
.nav-menu a {
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--bh-gray);
  transition: color 0.15s;
  position: relative;
}
.nav-menu a:hover { color: var(--bh-black); }
.nav-menu a.active { color: var(--bh-black); font-weight: 600; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--bh-black);
  color: var(--bh-white) !important;
  transition: all 0.15s;
}
.nav-cta:hover { background: var(--bh-red); }
.nav-cta-meituan { background: var(--bh-red); }
.nav-cta-meituan:hover { background: #C62828; }

.nav-toggle { display: none; }

@media (max-width: 768px) {
  .nav-toggle {
    display: flex; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 8px;
  }
  .nav-toggle span {
    display: block; width: 22px; height: 2px;
    background: var(--bh-black); transition: 0.25s;
  }
  .nav-menu {
    display: none;
    position: absolute; top: 56px; left: 0; right: 0;
    background: var(--bh-white);
    border-bottom: 1px solid var(--bh-border-light);
    flex-direction: column; padding: 8px 0;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 24px; font-size: 0.9rem; }
  .nav-cta { display: none; }
}

/* ==================================================================
   HERO — Light Bauhaus
   ================================================================== */
.hero {
  background: var(--bh-off-white);
  color: var(--bh-black);
  padding: 140px 0 100px;
  position: relative;
  overflow: hidden;
  min-height: 84vh;
  display: flex;
  align-items: center;
}

/* Bauhaus geometric accents — light, subtle */
.hero-geo {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}
.hero-geo-circle {
  width: clamp(160px, 22vw, 320px); height: clamp(160px, 22vw, 320px);
  border-radius: 50%;
  background: var(--bh-red);
  opacity: 0.04;
  top: -6%; right: 8%;
}
.hero-geo-circle-2 {
  width: clamp(80px, 12vw, 180px); height: clamp(80px, 12vw, 180px);
  border-radius: 50%;
  background: var(--bh-yellow);
  opacity: 0.06;
  bottom: 15%; right: 30%;
}
.hero-geo-rect {
  width: clamp(200px, 30vw, 400px); height: clamp(80px, 12vw, 160px);
  background: var(--bh-blue);
  opacity: 0.03;
  bottom: 5%; left: -3%;
  transform: rotate(-6deg);
}
.hero-geo-line {
  width: 120px; height: 3px;
  background: var(--bh-red);
  opacity: 0.15;
  bottom: 45%; left: 8%;
}
.hero-geo-dots {
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(0,0,0,0.04) 2px, transparent 2px);
  background-size: 16px 16px;
  top: 25%; right: 20%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 18px;
  background: var(--bh-white);
  border: 1px solid var(--bh-border);
  margin-bottom: 28px;
}

.hero-rankings {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.hero-rank-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 5px 14px;
  border: 1px solid var(--bh-red);
  color: var(--bh-red);
  letter-spacing: 0.02em;
}
.hero-rank-badge.hero-rank-popularity {
  border-color: var(--bh-yellow);
  color: #B8860B;
  background: var(--bh-yellow-light);
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.06;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}
.hero h1 .hero-highlight {
  display: block;
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 400;
  color: var(--bh-gray);
  letter-spacing: 0.02em;
  margin-top: 10px;
}

.hero-location {
  font-size: clamp(0.88rem, 1.1vw, 1rem);
  color: var(--bh-gray);
  margin-bottom: 36px;
  line-height: 1.5;
}

.hero-cta-group {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 60px;
  padding-top: 32px;
  border-top: 2px solid var(--bh-border);
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.hero-stat-label {
  font-size: 0.72rem;
  color: var(--bh-gray);
  letter-spacing: 0.04em;
  margin-top: 4px;
}

@media (max-width: 640px) {
  .hero { padding: 120px 0 60px; min-height: auto; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat { flex: 0 0 calc(50% - 12px); }
}

/* ==================================================================
   BUTTONS — Bauhaus: sharp angles, bold
   ================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  text-decoration: none;
}
.btn-hero {
  background: var(--bh-black);
  color: var(--bh-white) !important;
  padding: 16px 40px;
  font-size: 1rem;
}
.btn-hero:hover { background: var(--bh-red); }

.btn-outline {
  background: transparent;
  color: var(--bh-black) !important;
  border: 1.5px solid var(--bh-border);
}
.btn-outline:hover { border-color: var(--bh-black); }

.btn-primary {
  background: var(--bh-black);
  color: var(--bh-white) !important;
  padding: 12px 28px;
}
.btn-primary:hover { background: var(--bh-red); }

.btn-accent {
  background: var(--bh-red);
  color: var(--bh-white) !important;
}
.btn-accent:hover { background: #C62828; }

.btn-ghost {
  background: transparent;
  color: var(--bh-black) !important;
  border: 1.5px solid var(--bh-border);
}
.btn-ghost:hover { border-color: var(--bh-black); background: var(--bh-off-white); }

.btn-yellow {
  background: var(--bh-yellow);
  color: var(--bh-black) !important;
}
.btn-yellow:hover { background: #E5A800; }

.btn-full { width: 100%; justify-content: center; }

/* ==================================================================
   SECTIONS
   ================================================================== */
.section { padding: 96px 0; }
.section-alt { background: var(--bh-off-white); }
.section-white { background: var(--bh-white); }

.section-header {
  margin-bottom: 48px;
}
.section-header.centered {
  text-align: center;
}
.section-header.left {
  text-align: left;
}

/* ==================================================================
   CREDENTIALS ROW — Geometric color blocks
   ================================================================== */
.credentials {
  padding: 0;
  background: var(--bh-white);
}
.credentials-bar {
  display: flex;
  border: 1px solid var(--bh-border);
  border-left: none;
  border-right: none;
}
.credential {
  flex: 1;
  padding: 24px 16px;
  text-align: center;
  border-right: 1px solid var(--bh-border);
  position: relative;
}
.credential:last-child { border-right: none; }

.credential-shape {
  width: 32px; height: 32px;
  margin: 0 auto 10px;
}
.credential:nth-child(1) .credential-shape {
  background: var(--bh-red);
  border-radius: 50%;
}
.credential:nth-child(2) .credential-shape {
  background: var(--bh-blue);
}
.credential:nth-child(3) .credential-shape {
  background: var(--bh-yellow);
  border-radius: 50%;
}
.credential:nth-child(4) .credential-shape {
  background: var(--bh-black);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}
.credential:nth-child(5) .credential-shape {
  background: var(--bh-red);
  width: 32px; height: 20px;
}

.credential-label {
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.2;
}
.credential-desc {
  font-size: 0.68rem;
  color: var(--bh-gray);
  margin-top: 2px;
}

@media (max-width: 640px) {
  .credentials-bar { flex-wrap: wrap; }
  .credential { flex: 0 0 calc(50% - 0px); border-bottom: 1px solid var(--bh-border); }
  .credential:nth-child(even) { border-right: none; }
  .credential:nth-child(5) { flex: 0 0 100%; border-bottom: none; }
}

/* ==================================================================
   DEAL CARDS — 3-col with color tops
   ================================================================== */
.deals-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--bh-border);
}
.deal-card {
  padding: 36px 28px;
  border-right: 1px solid var(--bh-border);
  transition: background 0.15s;
  position: relative;
}
.deal-card:last-child { border-right: none; }
.deal-card:hover { background: var(--bh-off-white); }

.deal-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.deal-card:nth-child(1)::before { background: var(--bh-red); }
.deal-card:nth-child(2)::before { background: var(--bh-blue); }
.deal-card:nth-child(3)::before { background: var(--bh-yellow); }

.deal-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.deal-card:nth-child(1) .deal-label { color: var(--bh-red); }
.deal-card:nth-child(2) .deal-label { color: var(--bh-blue); }
.deal-card:nth-child(3) .deal-label { color: #B8860B; }

.deal-price {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.deal-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 8px 0 6px;
  font-size: 0.82rem;
  color: var(--bh-gray);
}
.deal-meta s { color: var(--bh-gray-light); }
.deal-badge {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 2px 8px;
  background: var(--bh-black);
  color: var(--bh-white);
}
.deal-desc {
  font-size: 0.82rem;
  color: var(--bh-gray);
  line-height: 1.5;
  margin: 12px 0 20px;
}
.deal-card .btn {
  width: 100%;
  justify-content: center;
  font-size: 0.82rem;
  padding: 12px 20px;
}

@media (max-width: 768px) {
  .deals-row { grid-template-columns: 1fr; }
  .deal-card { border-right: none; border-bottom: 1px solid var(--bh-border); }
  .deal-card:last-child { border-bottom: none; }
}

/* ==================================================================
   FEATURES — Bauhaus minimal cards
   ================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--bh-border);
  border-left: 1px solid var(--bh-border);
}
.feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 28px 24px;
  border-right: 1px solid var(--bh-border);
  border-bottom: 1px solid var(--bh-border);
  transition: background 0.15s;
}
.feature:hover { background: var(--bh-off-white); }

.feature-icon {
  width: 40px; height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--bh-black);
  color: var(--bh-white);
}
.feature:nth-child(3n+2) .feature-icon { background: var(--bh-red); }
.feature:nth-child(3n+3) .feature-icon { background: var(--bh-blue); }

.feature h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.2;
}
.feature p {
  font-size: 0.82rem;
  color: var(--bh-gray);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* ==================================================================
   CARDS — Bauhaus sharp, color left border
   ================================================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  background: var(--bh-white);
  border-left: 3px solid var(--bh-border);
  transition: all 0.2s;
}
.card:nth-child(3n+1) { border-left-color: var(--bh-red); }
.card:nth-child(3n+2) { border-left-color: var(--bh-blue); }
.card:nth-child(3n+3) { border-left-color: var(--bh-yellow); }
.card:hover { background: var(--bh-off-white); }

.card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.card-body { padding: 24px 24px 12px; }
.card-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  border: 1px solid;
}
.card-tag-red { border-color: var(--bh-red); color: var(--bh-red); }
.card-tag-blue { border-color: var(--bh-blue); color: var(--bh-blue); }
.card-tag-yellow { border-color: var(--bh-yellow); color: #B8860B; }
.card-tag-green { border-color: #16a34a; color: #16a34a; }

.card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.3;
}
.card p {
  font-size: 0.82rem;
  color: var(--bh-gray);
  line-height: 1.55;
}
.card-footer {
  padding: 10px 24px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}
.card-link {
  font-weight: 700;
  font-size: 0.82rem;
}
.card:nth-child(3n+1) .card-link { color: var(--bh-red); }
.card:nth-child(3n+2) .card-link { color: var(--bh-blue); }
.card:nth-child(3n+3) .card-link { color: #B8860B; }

@media (max-width: 968px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } }

/* ==================================================================
   BENEFITS — Bauhaus 4-block
   ================================================================== */
.benefits-strip {
  padding: 0;
}
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--bh-border);
  border-left: none;
  border-right: none;
}
.benefit-card {
  text-align: center;
  padding: 40px 16px;
  border-right: 1px solid var(--bh-border);
  transition: background 0.15s;
}
.benefit-card:last-child { border-right: none; }
.benefit-card:hover { background: var(--bh-off-white); }

.benefit-card .icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}
.benefit-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.benefit-card p {
  font-size: 0.75rem;
  color: var(--bh-gray);
  line-height: 1.4;
}

@media (max-width: 640px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit-card:nth-child(even) { border-right: none; }
  .benefit-card:nth-child(3) { border-bottom: none; }
}

/* ==================================================================
   PARTNER GRID
   ================================================================== */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--bh-border);
  border-left: none;
}
.partner-item {
  padding: 36px 20px;
  text-align: center;
  border-left: 1px solid var(--bh-border);
  transition: background 0.15s;
}
.partner-item:hover { background: var(--bh-off-white); }

.partner-item::before {
  content: '';
  display: block;
  width: 28px; height: 28px;
  margin: 0 auto 14px;
}
.partner-item:nth-child(1)::before {
  background: var(--bh-red);
  border-radius: 50%;
}
.partner-item:nth-child(2)::before {
  background: var(--bh-blue);
}
.partner-item:nth-child(3)::before {
  background: var(--bh-yellow);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}
.partner-item:nth-child(4)::before {
  background: var(--bh-black);
}

.partner-item h3 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.partner-item p {
  font-size: 0.82rem;
  color: var(--bh-gray);
  line-height: 1.5;
}
@media (max-width: 968px) { .partner-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .partner-grid { grid-template-columns: 1fr; } }

/* ==================================================================
   TESTIMONIALS
   ================================================================== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--bh-border);
  border-left: none;
}
.testimonial {
  padding: 32px 28px;
  border-left: 1px solid var(--bh-border);
  border-bottom: 1px solid var(--bh-border);
  position: relative;
  transition: background 0.15s;
}
.testimonial:hover { background: var(--bh-off-white); }
.testimonial:last-child, .testimonial:nth-last-child(2) { border-bottom: none; }

.testimonial::before {
  content: '"';
  position: absolute;
  top: 6px; right: 20px;
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--bh-border);
  pointer-events: none;
}
.testimonial-stars {
  font-size: 0.85rem;
  margin-bottom: 10px;
  letter-spacing: 2px;
  color: var(--bh-yellow);
}
.testimonial p {
  font-size: 0.85rem;
  color: var(--bh-black);
  line-height: 1.6;
  margin-bottom: 12px;
  font-style: italic;
}
.testimonial-author {
  font-size: 0.78rem;
  font-weight: 700;
}
.testimonial-author span {
  font-weight: 400;
  color: var(--bh-gray);
}

@media (max-width: 640px) {
  .testimonial-grid { grid-template-columns: 1fr; }
  .testimonial:last-child { border-bottom: none; }
}

/* ==================================================================
   MEITUAN SECTION
   ================================================================== */
.meituan-section {
  background: var(--bh-black);
  color: var(--bh-white);
  padding: 72px 0;
  position: relative;
}
.meituan-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--bh-red);
}
.meituan-section .bh-title { color: var(--bh-white); }
.meituan-section .bh-subtitle { color: rgba(255,255,255,0.5); }

.meituan-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bh-white);
}
.dual-platform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
  align-items: start;
}
.dual-platform-grid .meituan-card {
  max-width: none;
  margin: 0;
  width: 100%;
}
@media (max-width: 768px) {
  .dual-platform-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
.meituan-card-top {
  padding: 6px 28px;
  background: var(--bh-black);
  border-bottom: 2px solid var(--bh-red);
}
.meituan-card-top span {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--bh-white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.meituan-card-body {
  padding: 32px 28px;
  color: var(--bh-black);
}
.meituan-card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.meituan-price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}
.meituan-price-current {
  font-size: 2rem;
  font-weight: 900;
  color: var(--bh-red);
  letter-spacing: -0.03em;
}
.meituan-price-original {
  font-size: 0.85rem;
  color: var(--bh-gray);
  text-decoration: line-through;
}
.meituan-discount-badge {
  font-size: 0.62rem;
  font-weight: 700;
  padding: 2px 8px;
  background: var(--bh-black);
  color: var(--bh-white);
}
.meituan-desc {
  font-size: 0.82rem;
  color: var(--bh-gray);
  line-height: 1.5;
  margin: 12px 0;
}
.meituan-stats {
  display: flex;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--bh-gray);
  margin-bottom: 16px;
}

/* ==================================================================
   AI GRID — on light bg
   ================================================================== */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--bh-border);
  border-left: none;
}
.ai-card {
  padding: 32px 24px;
  border-left: 1px solid var(--bh-border);
  transition: background 0.15s;
}
.ai-card:hover { background: var(--bh-off-white); }
.ai-card:nth-child(1) { border-bottom: 3px solid var(--bh-red); }
.ai-card:nth-child(2) { border-bottom: 3px solid var(--bh-blue); }
.ai-card:nth-child(3) { border-bottom: 3px solid var(--bh-yellow); }
.ai-card:nth-child(4) { border-bottom: 3px solid var(--bh-black); }

.ai-card-icon { font-size: 1.8rem; margin-bottom: 12px; }
.ai-card h3 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.ai-card p {
  font-size: 0.78rem;
  color: var(--bh-gray);
  line-height: 1.5;
}

@media (max-width: 968px) { .ai-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .ai-grid { grid-template-columns: 1fr; } }

/* ==================================================================
   FOOTER — Bauhaus minimal
   ================================================================== */
.footer {
  padding: 64px 0 96px;
  background: var(--bh-black);
  color: var(--bh-white);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand h3 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 10px;
}
.footer-brand p {
  font-size: 0.82rem;
  opacity: 0.5;
  line-height: 1.6;
}
.footer-slogan {
  font-weight: 600;
  opacity: 0.6 !important;
  margin-top: 8px;
}
.footer-links h4, .footer-contact h4, .footer-qr h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-bottom: 14px;
}
.footer-links a, .footer-contact p {
  display: block;
  font-size: 0.8rem;
  opacity: 0.4;
  margin-bottom: 8px;
  transition: opacity 0.15s;
}
.footer-links a:hover { opacity: 1; color: var(--bh-red); }
.footer-contact a:hover { opacity: 1; color: var(--bh-red); }
.footer-qr img { border: 1px solid rgba(255,255,255,0.1); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.72rem;
  opacity: 0.25;
  margin-bottom: 2px;
}
.footer-seo-text {
  font-size: 0.6rem !important;
  opacity: 0.15 !important;
  line-height: 1.6;
  max-width: 800px;
  margin: 8px auto 0 !important;
}

@media (max-width: 968px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer { padding-bottom: 80px; } }

/* ==================================================================
   MODAL BAUHAUS
   ================================================================== */
.modal-overlay {
  display: none;
  position: fixed; z-index: 999;
  inset: 0;
  background: rgba(0,0,0,0.4);
  align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bh-white);
  padding: 40px 32px;
  max-width: 400px;
  width: 90%;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  border-top: 3px solid var(--bh-red);
}
.modal-close {
  position: absolute; top: 14px; right: 18px;
  background: none; border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--bh-gray);
  padding: 4px; line-height: 1;
}
.modal-close:hover { color: var(--bh-black); }
.modal-form h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.modal-subtitle {
  font-size: 0.82rem;
  color: var(--bh-gray);
  margin-bottom: 24px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-group input, .form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--bh-border);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  background: var(--bh-white);
  transition: border-color 0.15s;
  outline: none;
}
.form-group input:focus, .form-group select:focus {
  border-color: var(--bh-black);
}
.form-note {
  font-size: 0.7rem;
  color: var(--bh-gray);
  margin-top: 12px;
  text-align: center;
}
.form-success {
  text-align: center;
  padding: 24px 0;
}
.success-icon {
  width: 44px; height: 44px;
  background: var(--bh-black);
  color: var(--bh-white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 auto 16px;
}

/* ==================================================================
   FLOATING CTA
   ================================================================== */
.f-cta {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 999;
  display: flex;
  background: var(--bh-white);
  border-top: 1px solid var(--bh-border);
  padding: 10px 12px;
  gap: 8px;
}
.f-cta-call, .f-cta-book {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  gap: 6px;
  padding: 12px 14px;
  font-weight: 700;
  font-size: 0.82rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
}
.f-cta-call {
  background: var(--bh-off-white);
  color: var(--bh-black) !important;
}
.f-cta-book {
  background: var(--bh-red);
  color: var(--bh-white) !important;
}

/* ==================================================================
   EXIT POPUP
   ================================================================== */
.exit-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1000;
  display: none;
  justify-content: center;
  align-items: center;
}
.exit-overlay.open { display: flex; }
.exit-popup {
  background: var(--bh-white);
  padding: 40px 32px;
  max-width: 380px;
  width: 90%;
  position: relative;
  text-align: center;
  border-top: 3px solid var(--bh-red);
}
.exit-popup-close {
  position: absolute; top: 14px; right: 18px;
  background: none; border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--bh-gray);
}
.exit-popup h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.exit-popup .price {
  font-size: 2rem;
  font-weight: 900;
  color: var(--bh-red);
  margin: 12px 0;
  letter-spacing: -0.03em;
}
.exit-popup .price s {
  font-size: 1rem;
  color: var(--bh-gray);
  font-weight: 400;
}
.exit-popup .badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 10px;
  background: var(--bh-black);
  color: var(--bh-white);
  margin: 8px 0;
}
.exit-popup .btn-exit {
  display: block;
  background: var(--bh-red);
  color: var(--bh-white) !important;
  text-decoration: none;
  padding: 14px;
  font-weight: 700;
  font-size: 0.9rem;
  margin: 16px 0 10px;
  transition: background 0.15s;
}
.exit-popup .btn-exit:hover { background: #C62828; }
.exit-popup .skip {
  font-size: 0.75rem;
  color: var(--bh-gray);
  cursor: pointer;
  text-decoration: underline;
}

/* ==================================================================
   CONSULT MODAL
   ================================================================== */
.consult-modal {
  display: none;
  position: fixed; z-index: 9999;
  inset: 0;
  background: rgba(0,0,0,0.4);
  align-items: center; justify-content: center;
}
.consult-modal.open { display: flex; }
.consult-modal-content {
  background: var(--bh-white);
  max-width: 300px;
  width: 90%;
  position: relative;
  border-top: 3px solid var(--bh-red);
}
.consult-modal-close {
  position: absolute; top: 14px; right: 18px;
  background: none; border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--bh-gray);
  padding: 4px; line-height: 1;
}
.consult-modal-body {
  padding: 36px 24px 28px;
  text-align: center;
}
.consult-modal-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.consult-modal-qr img { margin-bottom: 6px; }
.consult-modal-qr p {
  font-size: 0.75rem;
  color: var(--bh-gray);
  margin-bottom: 20px;
}
.consult-modal-phone p {
  font-size: 0.7rem;
  color: var(--bh-gray);
  margin-bottom: 8px;
}
.consult-phone-btn {
  display: inline-block;
  padding: 12px 32px;
  background: var(--bh-black);
  color: var(--bh-white) !important;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s;
}
.consult-phone-btn:hover { background: var(--bh-red); }

/* ==================================================================
   NEARBY SCHOOLS
   ================================================================== */
.nearby-schools-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 28px;
  align-items: center;
  justify-content: center;
}
.ns-label {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 4px 10px;
  background: var(--bh-black);
  color: var(--bh-white);
  letter-spacing: 0.04em;
}
.ns-item {
  font-size: 0.68rem;
  padding: 4px 10px;
  color: var(--bh-gray);
  border: 1px solid var(--bh-border);
}
.ns-toggle {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 4px 12px;
  background: none;
  border: 1px solid var(--bh-border);
  cursor: pointer;
  color: var(--bh-gray);
  transition: all 0.15s;
}
.ns-toggle:hover { border-color: var(--bh-black); color: var(--bh-black); }

/* ==================================================================
   NEWS ITEMS
   ================================================================== */
.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border: 1px solid var(--bh-border);
  margin-bottom: 8px;
  transition: all 0.15s;
}
.news-item:hover {
  border-color: var(--bh-black);
  background: var(--bh-off-white);
}
.news-item-icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  background: var(--bh-off-white);
  flex-shrink: 0;
}
.news-item-body { flex: 1; }
.news-item-body h4 {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 3px;
}
.news-item-body p {
  font-size: 0.78rem;
  color: var(--bh-gray);
}
.news-item-date {
  font-size: 0.68rem;
  color: var(--bh-gray-light);
  flex-shrink: 0;
}

/* ==================================================================
   FAQ
   ================================================================== */
.faq-item {
  border-bottom: 1px solid var(--bh-border);
}
.faq-question {
  padding: 20px 0;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.15s;
  user-select: none;
}
.faq-question:hover { color: var(--bh-red); }
.faq-question::after {
  content: '+';
  font-size: 1.1rem;
  font-weight: 300;
  transition: transform 0.2s;
  color: var(--bh-gray-light);
}
.faq-question.open::after {
  transform: rotate(45deg);
  color: var(--bh-red);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  font-size: 0.85rem;
  color: var(--bh-gray);
  line-height: 1.6;
}
.faq-answer.open {
  max-height: 400px;
  padding: 0 0 20px;
}

/* ==================================================================
   CTA
   ================================================================== */
.cta-section {
  padding: 80px 24px;
  text-align: center;
  background: var(--bh-off-white);
  border-top: 2px solid var(--bh-border);
  border-bottom: 2px solid var(--bh-border);
}
.cta-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.cta-section p {
  font-size: clamp(0.85rem, 1.2vw, 0.95rem);
  color: var(--bh-gray);
  margin-bottom: 32px;
}
.cta-buttons { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ==================================================================
   TRUST STRIP
   ================================================================== */
.trust-strip {
  padding: 24px 0;
  background: var(--bh-black);
}
.trust-strip .container {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  align-items: center;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--bh-white);
}
.trust-item-icon { font-size: 1.2rem; }
.trust-item-label { font-size: 0.7rem; font-weight: 600; }
.trust-item-desc { font-size: 0.6rem; opacity: 0.4; }
@media (max-width: 640px) {
  .trust-strip .container { gap: 14px; }
  .trust-item { flex: 0 0 calc(50% - 7px); justify-content: center; }
}

/* ==================================================================
   HERO INNER (subpages)
   ================================================================== */
.hero-inner {
  background: var(--bh-off-white);
  color: var(--bh-black);
  padding: 100px 0 60px;
  text-align: center;
  border-bottom: 2px solid var(--bh-red);
}
.hero-inner h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.hero-inner p {
  font-size: 0.92rem;
  color: var(--bh-gray);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.5;
}
.hero-inner .breadcrumb {
  font-size: 0.72rem;
  color: var(--bh-gray-light);
  margin-bottom: 16px;
}
.hero-inner .breadcrumb a { color: var(--bh-gray); }
.hero-inner .breadcrumb a:hover { color: var(--bh-black); }

/* ==================================================================
   LEGACY (other pages)
   ================================================================== */
.nav-spacer { height: 58px; }

.course-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--bh-border);
  border-left: none;
  margin-bottom: 40px;
}
.course-type {
  padding: 32px 24px;
  text-align: center;
  border-left: 1px solid var(--bh-border);
  border-bottom: 3px solid var(--bh-blue);
  transition: background 0.15s;
}
.course-type:nth-child(3n+2) { border-bottom-color: var(--bh-red); }
.course-type:nth-child(3n+3) { border-bottom-color: var(--bh-yellow); }
.course-type:hover { background: var(--bh-off-white); }
.course-type h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.course-type p { font-size: 0.8rem; color: var(--bh-gray); line-height: 1.5; }

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--bh-border);
  border-left: none;
}
.plan {
  padding: 36px 28px;
  border-left: 1px solid var(--bh-border);
  transition: background 0.15s;
  position: relative;
}
.plan:hover { background: var(--bh-off-white); }
.plan-featured { border-bottom: 3px solid var(--bh-red); }
.plan-badge {
  position: absolute;
  top: -10px; left: 50%;
  transform: translateX(-50%);
  background: var(--bh-red);
  color: var(--bh-white);
  padding: 3px 14px;
  font-size: 0.68rem;
  font-weight: 600;
}
.plan h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; text-align: center; }
.plan .price {
  font-size: 2rem;
  font-weight: 900;
  text-align: center;
  margin: 16px 0;
  letter-spacing: -0.03em;
}
.plan ul { margin: 16px 0; }
.plan ul li {
  padding: 8px 0;
  font-size: 0.82rem;
  color: var(--bh-gray);
  border-bottom: 1px solid var(--bh-border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
.plan .btn { display: block; text-align: center; margin-top: 20px; }
@media (max-width: 968px) { .plans-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .plans-grid { grid-template-columns: 1fr; } }

.article-card {
  padding: 24px;
  border: 1px solid var(--bh-border);
  transition: all 0.15s;
  margin-bottom: 12px;
}
.article-card:hover { border-color: var(--bh-black); }
.article-card h3 { font-size: 0.92rem; font-weight: 600; margin-bottom: 6px; }
.article-card p { font-size: 0.8rem; color: var(--bh-gray); }

.env-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  max-width: 640px;
  margin: 0 auto;
}
.env-grid img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* Meituan badges legacy */
.meituan-honor-badge { display: none; }