/* ================================================
   乐退俱乐部 — letui.club
   设计系统：温暖橙金主色调，老年友好字体与排版
   响应式：桌面 1200px / 平板 768px / 手机 480px
================================================ */

/* ---------- CSS 变量 ---------- */
:root {
  --primary:      #e8734a;   /* 暖橙 */
  --primary-dark: #c55a32;   /* 深橙 */
  --primary-light:#fff3ee;   /* 浅橙背景 */
  --gold:         #f0a500;   /* 金色 */
  --gold-light:   #fff8e6;   /* 浅金背景 */
  --green:        #5a9e5a;   /* 活力绿 */
  --green-light:  #edf7ed;   /* 浅绿背景 */
  --blue:         #4a7fc1;   /* 沉稳蓝 */
  --blue-light:   #eef4ff;   /* 浅蓝背景 */

  --bg:        #fffdf8;      /* 温暖米白 */
  --bg-soft:   #fdf6ee;      /* 柔和米黄 */
  --card:      #ffffff;
  --border:    #ead5c4;

  --text:      #2d1f0f;      /* 深棕色文字 */
  --muted:     #7a5c42;      /* 次级文字 */
  --light:     #b89070;      /* 淡色文字 */

  --shadow:      0 8px 32px rgba(232,115,74,0.12);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.07);
  --shadow-hover:0 12px 40px rgba(232,115,74,0.22);

  --radius:    14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --max: 1200px;
  --transition: 0.25s ease;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 17px;   /* 老年友好：比默认大 */
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 15px; }
ul { list-style: none; padding: 0; margin: 0; }

.container {
  width: min(var(--max), 92%);
  margin: 0 auto;
}

/* ---------- 通用组件 ---------- */
.section-label {
  display: inline-block;
  padding: 5px 14px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

.section-title {
  font-family: "Noto Serif SC", "SimSun", serif;
  font-size: clamp(24px, 3vw, 38px);
  color: var(--text);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--muted);
  font-size: 16px;
  max-width: 62ch;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, #e8734a, #c55a32);
  color: #fff;
  border-radius: 999px;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 8px 24px rgba(232,115,74,0.35);
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(232,115,74,0.4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: 2px solid var(--primary);
  color: var(--primary);
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  background: transparent;
  transition: var(--transition);
  cursor: pointer;
}
.btn-outline:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}

.btn-outline-lg {
  display: inline-flex;
  padding: 14px 32px;
  border: 2px solid var(--primary);
  color: var(--primary);
  border-radius: 999px;
  font-weight: 700;
  font-size: 16px;
  background: transparent;
  transition: var(--transition);
  margin-top: 10px;
}
.btn-outline-lg:hover { background: var(--primary-light); }

/* ================================================
   HEADER
================================================ */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(255,253,248,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}
#site-header.scrolled {
  box-shadow: 0 4px 24px rgba(232,115,74,0.12);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 16px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-main {
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}
.logo-sub { font-size: 11px; color: var(--light); }

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.desktop-nav a {
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}
.desktop-nav a:hover { background: var(--primary-light); color: var(--primary); }

.nav-cta-btn {
  background: linear-gradient(135deg, #e8734a, #c55a32) !important;
  color: #fff !important;
  padding: 9px 20px !important;
  border-radius: 999px !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 14px rgba(232,115,74,0.3);
}
.nav-cta-btn:hover { box-shadow: 0 6px 20px rgba(232,115,74,0.4) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--border);
  background: rgba(255,253,248,0.98);
  padding: 10px 0 16px;
}
.mobile-nav.open { display: block; animation: slideDown 0.25s ease; }
.mobile-nav .container {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mobile-nav a {
  padding: 12px 14px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
  transition: var(--transition);
}
.mobile-nav a:hover { background: var(--primary-light); color: var(--primary); }
.mobile-cta-btn {
  background: linear-gradient(135deg, #e8734a, #c55a32) !important;
  color: #fff !important;
  text-align: center;
  margin-top: 8px;
  border-radius: 999px !important;
  font-weight: 700 !important;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================================================
   HERO
================================================ */
.hero {
  padding: 110px 0 80px;
  background: linear-gradient(160deg, #fffdf8 0%, #fff3ee 50%, #fdf6ee 100%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}
.hero-bg-deco {
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(232,115,74,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--primary-light);
  border: 1px solid rgba(232,115,74,0.3);
  border-radius: 999px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}

.hero-title {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(32px, 4.5vw, 58px);
  line-height: 1.2;
  letter-spacing: -1px;
  color: var(--text);
  margin-bottom: 18px;
}
.hero-title .highlight {
  color: var(--primary);
  position: relative;
}
.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0; right: 0;
  height: 6px;
  background: rgba(232,115,74,0.2);
  border-radius: 3px;
  z-index: -1;
}

.hero-desc {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 28px;
  max-width: 52ch;
}
.hero-desc strong { color: var(--primary); font-weight: 700; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 30px;
  padding: 18px 24px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  width: fit-content;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  font-family: "Noto Serif SC", serif;
  line-height: 1.1;
}
.stat-label { font-size: 12px; color: var(--muted); }
.stat-sep {
  width: 1px; height: 40px;
  background: var(--border);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.hero-svg {
  width: 100%;
  filter: drop-shadow(0 8px 24px rgba(232,115,74,0.1));
}

/* ================================================
   ABOUT
================================================ */
.about-section {
  padding: 80px 0;
  background: var(--bg);
  text-align: center;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.about-card {
  padding: 30px 22px;
  border-radius: var(--radius-lg);
  text-align: left;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card-orange { background: var(--primary-light); border-color: rgba(232,115,74,0.2); }
.card-green  { background: var(--green-light);   border-color: rgba(90,158,90,0.2); }
.card-gold   { background: var(--gold-light);    border-color: rgba(240,165,0,0.2); }
.card-blue   { background: var(--blue-light);    border-color: rgba(74,127,193,0.2); }

.about-icon {
  font-size: 32px;
  margin-bottom: 12px;
}
.about-card h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  color: var(--text);
  margin-bottom: 10px;
}
.about-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

.about-quote {
  max-width: 780px;
  margin: 0 auto;
  padding: 32px 40px;
  background: linear-gradient(135deg, var(--primary-light), var(--gold-light));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(232,115,74,0.2);
}
.about-quote blockquote {
  font-family: "Noto Serif SC", serif;
  font-size: 17px;
  color: var(--text);
  line-height: 1.85;
  margin-bottom: 12px;
  font-style: italic;
}
.about-quote cite {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
}

/* ================================================
   THREE PILLARS
================================================ */
.pillars-section {
  padding: 80px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
}

.pillar-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}
.pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.pillar-learn::before { background: linear-gradient(90deg, #4a7fc1, #7ab3e0); }
.pillar-work::before  { background: linear-gradient(90deg, #e8734a, #f0a500); }
.pillar-joy::before   { background: linear-gradient(90deg, #5a9e5a, #90cc90); }

.pillar-emoji {
  font-size: 40px;
  margin-bottom: 6px;
}
.pillar-num {
  font-size: 11px;
  font-weight: 800;
  color: var(--light);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.pillar-card h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 24px;
  color: var(--text);
  margin-bottom: 4px;
}
.pillar-tagline {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 20px;
}
.pillar-list { margin-bottom: 28px; }
.pillar-list li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px dashed var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
}
.pillar-list li:last-child { border-bottom: none; }

.pillar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
  background: transparent;
}
.pillar-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: translateX(4px);
}

/* ================================================
   COURSES
================================================ */
.courses-section {
  padding: 80px 0;
  background: var(--bg);
  text-align: center;
}

.course-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
}
.filter-btn {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(232,115,74,0.3);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: left;
}

.course-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.course-card.hidden { display: none; }

.course-badge {
  position: absolute;
  top: 14px; right: 14px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}
.badge-hot  { background: #ffe4d8; color: var(--primary-dark); }
.badge-new  { background: #e4f4e4; color: var(--green); }

.course-emoji { font-size: 32px; margin-bottom: 10px; }
.course-card h4 {
  font-family: "Noto Serif SC", serif;
  font-size: 16px;
  color: var(--text);
  margin-bottom: 8px;
  padding-right: 50px;
}
.course-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 14px;
  flex: 1;
}
.course-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.course-tag {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}
.tag-learn { background: var(--blue-light);  color: var(--blue);  }
.tag-work  { background: var(--primary-light);color: var(--primary); }
.tag-joy   { background: var(--green-light); color: var(--green); }
.course-duration { font-size: 12px; color: var(--light); }

.course-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: var(--bg-soft);
  border-radius: 10px;
}
.course-price {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  font-family: "Noto Serif SC", serif;
}
.course-deposit {
  font-size: 12px;
  color: var(--muted);
  background: #fff;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.course-book-btn {
  width: 100%;
  padding: 11px;
  background: linear-gradient(135deg, #e8734a, #c55a32);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(232,115,74,0.25);
}
.course-book-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(232,115,74,0.35);
}

.courses-more {
  margin-top: 40px;
  text-align: center;
}
.courses-more p { color: var(--muted); font-size: 15px; }

/* ================================================
   ONE-ON-ONE
================================================ */
.one-on-one-section {
  padding: 80px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  text-align: center;
}

.service-flow {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 60px;
  justify-content: center;
  flex-wrap: wrap;
}

.flow-step {
  flex: 1;
  min-width: 200px;
  max-width: 240px;
  text-align: center;
}
.flow-circle {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, #e8734a, #c55a32);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  margin: 0 auto 14px;
  box-shadow: 0 6px 18px rgba(232,115,74,0.3);
}
.flow-content h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.flow-content p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}
.flow-arrow {
  font-size: 24px;
  color: var(--primary);
  opacity: 0.5;
  margin-top: 20px;
  align-self: flex-start;
}

/* 顾问展示 */
.advisor-showcase { text-align: left; }
.advisor-showcase h3 {
  text-align: center;
  font-family: "Noto Serif SC", serif;
  font-size: 22px;
  color: var(--text);
  margin-bottom: 28px;
}
.advisors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.advisor-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.advisor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.advisor-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 14px;
}
.av-1 { background: linear-gradient(135deg, #e8734a, #f0a500); }
.av-2 { background: linear-gradient(135deg, #4a7fc1, #6baed6); }
.av-3 { background: linear-gradient(135deg, #5a9e5a, #90cc90); }
.av-4 { background: linear-gradient(135deg, #c55a32, #e8734a); }

.advisor-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.advisor-card p {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 12px;
  line-height: 1.6;
}
.advisor-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}
.advisor-tags span {
  padding: 3px 10px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

/* ================================================
   STORIES
================================================ */
.stories-section {
  padding: 80px 0;
  background: var(--bg);
  text-align: center;
}

.stories-slider {
  position: relative;
  max-width: 740px;
  margin: 0 auto 20px;
  min-height: 200px;
}
.story-card {
  display: none;
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 40px 48px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  text-align: left;
  animation: fadeIn 0.4s ease;
}
.story-card.active { display: block; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.story-quote {
  font-size: 64px;
  color: var(--primary);
  opacity: 0.2;
  line-height: 0.8;
  margin-bottom: 12px;
  font-family: Georgia, serif;
}
.story-text {
  font-size: 16px;
  color: var(--text);
  line-height: 1.85;
  margin-bottom: 24px;
  font-style: italic;
}
.story-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.story-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.av-s1 { background: linear-gradient(135deg, #e8734a, #c55a32); }
.av-s2 { background: linear-gradient(135deg, #5a9e5a, #90cc90); }
.av-s3 { background: linear-gradient(135deg, #4a7fc1, #6baed6); }
.av-s4 { background: linear-gradient(135deg, #f0a500, #e8734a); }

.story-author strong { display: block; font-size: 15px; color: var(--text); }
.story-author span { font-size: 13px; color: var(--muted); }

.story-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 56px;
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border);
  border: none;
  transition: var(--transition);
  cursor: pointer;
}
.dot.active {
  background: var(--primary);
  transform: scale(1.3);
}

/* 社区留言 */
.community-section {
  background: var(--bg-soft);
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: left;
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--border);
}
.community-section h3 {
  font-size: 20px;
  color: var(--text);
  margin-bottom: 20px;
  font-family: "Noto Serif SC", serif;
}

.comment-input-area {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  margin-bottom: 24px;
}
.comment-input-area input,
.comment-input-area textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 15px;
  outline: none;
  transition: var(--transition);
  background: var(--bg);
  color: var(--text);
  margin-bottom: 10px;
}
.comment-input-area input:focus,
.comment-input-area textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,115,74,0.12);
}
.comment-input-area textarea { resize: vertical; min-height: 80px; }

.comment-submit-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.char-count { font-size: 12px; color: var(--light); }
.btn-submit-comment {
  padding: 10px 22px;
  background: linear-gradient(135deg, #e8734a, #c55a32);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
  cursor: pointer;
}
.btn-submit-comment:hover { box-shadow: 0 6px 16px rgba(232,115,74,0.35); }

.comments-list { display: flex; flex-direction: column; gap: 16px; }
.comment-item {
  display: flex;
  gap: 14px;
  padding: 16px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  animation: fadeIn 0.3s ease;
}
.comment-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e8734a, #f0a500);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  flex-shrink: 0;
}
.comment-body { flex: 1; }
.comment-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.comment-header strong { font-size: 14px; color: var(--text); }
.comment-time { font-size: 12px; color: var(--light); }
.comment-body p { font-size: 14px; color: var(--text); margin-bottom: 8px; }
.like-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.like-btn:hover, .like-btn.liked {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* ================================================
   BOOKING
================================================ */
.booking-section {
  padding: 80px 0;
  background: linear-gradient(160deg, #fff8f3 0%, #fdf6ee 100%);
  border-top: 1px solid var(--border);
  text-align: center;
}

.booking-wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  text-align: left;
  max-width: 1000px;
  margin: 0 auto;
}

.booking-form-panel {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 36px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

form { display: flex; flex-direction: column; gap: 0; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.required { color: var(--primary); }
input[type="text"],
input[type="tel"],
input[type="date"],
select,
textarea {
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  outline: none;
  transition: var(--transition);
  background: var(--bg);
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,115,74,0.12);
}
textarea { resize: vertical; min-height: 90px; }

.time-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.time-option {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
  font-weight: 500;
}
.time-option:hover { border-color: var(--primary); background: var(--primary-light); }
.time-option input[type="radio"] { accent-color: var(--primary); }

.field-error { font-size: 12px; color: #e53e3e; min-height: 16px; }

.btn-book-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, #e8734a, #c55a32);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(232,115,74,0.3);
  margin-top: 8px;
}
.btn-book-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(232,115,74,0.4);
}
.form-disclaimer {
  font-size: 12px;
  color: var(--light);
  text-align: center;
  margin-top: 10px;
}

.booking-success {
  text-align: center;
  padding: 32px;
}
.success-icon { font-size: 52px; margin-bottom: 16px; }
.booking-success h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 24px;
  color: var(--text);
  margin-bottom: 12px;
}
.booking-success p { color: var(--muted); font-size: 15px; margin-bottom: 8px; }

/* 右侧信息面板 */
.booking-info-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.info-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}
.info-card h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 16px;
  color: var(--text);
  margin-bottom: 14px;
}
.info-card ul li {
  font-size: 14px;
  color: var(--muted);
  padding: 5px 0;
  line-height: 1.6;
}
.contact-card { background: linear-gradient(135deg, var(--primary-light), var(--gold-light)); }
.contact-phone {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
  font-family: "Noto Serif SC", serif;
}
.contact-card p { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.wechat-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: #07c160;
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
}
.wechat-btn:hover { opacity: 0.88; }

/* ================================================
   FOOTER
================================================ */
footer {
  background: #2b1a10;
  color: rgba(255,253,248,0.9);
}
.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding: 56px 0 36px;
}
.footer-brand { max-width: 280px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 13px;
  color: rgba(255,253,248,0.65);
  line-height: 1.7;
  margin-bottom: 4px;
}
.footer-domain {
  color: var(--primary) !important;
  font-weight: 700;
  margin-top: 8px !important;
}
.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,253,248,0.5);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 14px;
  color: rgba(255,253,248,0.75);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--primary); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,253,248,0.45);
}
.footer-bottom a {
  color: rgba(255,253,248,0.55);
  transition: var(--transition);
}
.footer-bottom a:hover { color: var(--primary); }

/* ================================================
   BOOKING MODAL
================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease;
}
.modal-box {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 36px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.25);
  animation: slideUp 0.3s ease;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover { background: var(--primary-light); color: var(--primary); }
.modal-box h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 22px;
  color: var(--text);
  margin-bottom: 20px;
}
#modal-course-info {
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}
#modal-course-info .modal-course-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
#modal-course-info .modal-price-row {
  display: flex;
  justify-content: space-between;
}
#modal-course-info .modal-full-price { font-size: 13px; color: var(--muted); }
#modal-course-info .modal-deposit-amount {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
}

.deposit-notice {
  background: linear-gradient(135deg, var(--primary-light), var(--gold-light));
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
  border: 1px solid rgba(232,115,74,0.2);
}

.modal-pay-options {
  margin-bottom: 20px;
}
.modal-pay-options h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.pay-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  cursor: pointer;
  font-size: 15px;
  transition: var(--transition);
  font-weight: 500;
}
.pay-option:hover { border-color: var(--primary); background: var(--primary-light); }
.pay-option input[type="radio"] { accent-color: var(--primary); }

.modal-success {
  text-align: center;
  padding: 20px;
}

/* ================================================
   BACK TO TOP & FLOATING CTA
================================================ */
.back-to-top {
  position: fixed;
  bottom: 84px; right: 24px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e8734a, #c55a32);
  color: #fff;
  border: none;
  font-size: 20px;
  box-shadow: 0 6px 20px rgba(232,115,74,0.35);
  z-index: 900;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(232,115,74,0.45); }

.floating-cta {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 900;
}
.floating-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  background: linear-gradient(135deg, #e8734a, #c55a32);
  color: #fff;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 8px 28px rgba(232,115,74,0.4);
  transition: var(--transition);
  animation: bounce 3s ease-in-out infinite;
}
.floating-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(232,115,74,0.5);
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ================================================
   RESPONSIVE — Tablet (768px)
================================================ */
@media (max-width: 1024px) {
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .advisors-grid { grid-template-columns: repeat(2, 1fr); }
  .about-cards { grid-template-columns: repeat(2, 1fr); }
  .pillars-grid { grid-template-columns: 1fr; }
  .pillar-card { max-width: 600px; margin: 0 auto; }
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content { max-width: 600px; margin: 0 auto; }
  .hero-desc { margin: 0 auto 28px; }
  .hero-stats { margin: 0 auto 28px; }
  .hero-actions { justify-content: center; }
  .hero-title .highlight::after { display: none; }
  .booking-wrap { grid-template-columns: 1fr; }
  .desktop-nav { display: none; }
  .hamburger { display: flex; }
  .service-flow { flex-direction: column; align-items: center; gap: 20px; }
  .flow-arrow { display: none; }
}

@media (max-width: 600px) {
  html { font-size: 16px; }
  .about-cards { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .advisors-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .story-card { padding: 24px 20px; }
  .booking-form-panel { padding: 22px 16px; }
  .community-section { padding: 24px 16px; }
  .about-quote { padding: 22px 20px; }
  .footer-links { gap: 28px; }
  .footer-main { flex-direction: column; }
  .floating-btn { padding: 12px 18px; font-size: 14px; }
  .back-to-top { bottom: 78px; }
  .modal-box { padding: 22px 16px; }
  .time-options { gap: 6px; }
  .time-option { padding: 7px 12px; font-size: 13px; }
  .hero-stats { flex-direction: column; width: 100%; gap: 12px; }
  .stat-sep { width: 100%; height: 1px; }
}