/* ==========================================================================
   本元瑜伽 BEN YUAN YOGA —— 官网样式
   品牌色取自 logo：墨黑 #231815（主）/ 香槟金铜 #A8845C（点缀）
   ========================================================================== */

:root {
  /* 品牌 —— 墨黑为主，金铜为点缀 */
  --gold: #a8845c; /* 香槟金铜：图标 / 眉标 / 插画 / 高亮 */
  --gold-600: #8f6e4b; /* 悬停加深 */
  --gold-700: #75593c; /* 深金铜：标签文字 */
  --gold-100: #f0e6da; /* 浅金铜底 */
  --gold-50: #faf6f0; /* 极浅金铜底 */

  /* 墨色 */
  --ink: #231815;
  --ink-2: #574e4a;
  --ink-3: #8e8681;
  --ink-4: #b8b0aa;

  /* 纸面 */
  --paper: #fbf8f5;
  --paper-2: #f5efe9;
  --card: #ffffff;
  --line: #ece5de;
  --line-2: #f4eee9;
  --sand: #c6a387;

  /* 形状 */
  --radius: 20px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --pill: 999px;

  --shadow-sm: 0 1px 2px rgba(35, 24, 21, 0.05);
  --shadow: 0 10px 30px rgba(35, 24, 21, 0.07);
  --shadow-lg: 0 26px 64px rgba(35, 24, 21, 0.12);

  --font-serif: "Songti SC", "Source Han Serif SC", "Noto Serif CJK SC", "STSong", Georgia,
    "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  --maxw: 1160px;
  --nav-h: 74px;
  --sec-y: 104px;
}

/* ---------- reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

::selection {
  background: var(--gold-100);
  color: var(--ink);
}

/* ---------- 布局 ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

.wrap-narrow {
  max-width: 820px;
}

.sec {
  padding: var(--sec-y) 0;
}

.sec-tight {
  padding: 72px 0;
}

.sec-paper {
  background: var(--paper-2);
}

.sec-white {
  background: var(--card);
}

.sec-ink {
  background: var(--ink);
  color: #f2ece7;
}

/* 章节标题 */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
  font-family: var(--font-sans);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
}

.sec-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.sec-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.sec-head.center .eyebrow::after {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
}

.sec-title {
  font-size: clamp(26px, 3.6vw, 40px);
  margin: 18px 0 16px;
}

.sec-desc {
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.9;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--pill);
  font-size: 15px;
  letter-spacing: 0.06em;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease,
    color 0.22s ease, border-color 0.22s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

/* 主按钮：墨黑底（取自 logo），悬停转金铜 */
.btn-ink {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 10px 26px rgba(35, 24, 21, 0.22);
}

.btn-ink:hover {
  background: var(--gold-600);
  box-shadow: 0 14px 32px rgba(143, 110, 75, 0.32);
}

.btn-ghost {
  border-color: var(--line);
  background: var(--card);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink-4);
}

.btn-ink {
  background: var(--ink);
  color: #fff;
}

.btn-ink:hover {
  background: #3a2c28;
}

.btn-sm {
  padding: 9px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 17px 38px;
  font-size: 15.5px;
}

/* 文字箭头链接 */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14.5px;
  color: var(--gold);
  letter-spacing: 0.04em;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s ease, gap 0.2s ease;
}

.link-arrow:hover {
  border-bottom-color: var(--gold);
  gap: 11px;
}

/* ==========================================================================
   导航
   ========================================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(251, 248, 245, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.nav.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 4px 24px rgba(35, 24, 21, 0.05);
  background: rgba(251, 248, 245, 0.94);
}

.nav-inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

/* B 标（自 logo 中切出，保持墨黑原色） */
.nav-brand img {
  height: 40px;
  width: auto;
  display: block;
}

/* 品牌文字：衬线中文 + 大字距英文，与 logo 的排版语言一致 */
.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav-brand-text b {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--ink);
  white-space: nowrap;
}

.nav-brand-text small {
  margin-top: 5px;
  font-size: 8.5px;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-menu > a {
  font-size: 15px;
  color: var(--ink-2);
  letter-spacing: 0.06em;
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.nav-menu > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1.5px;
  background: var(--gold);
  transition: right 0.26s ease;
}

.nav-menu > a:hover,
.nav-menu > a.is-active {
  color: var(--ink);
}

.nav-menu > a:hover::after,
.nav-menu > a.is-active::after {
  right: 0;
}

.nav-cta {
  margin-left: 4px;
}

/* 「预约体验课」是按钮，必须盖掉上方导航链接的默认样式（内边距 / 字号 / 颜色 / 下划线） */
.nav-menu > a.nav-cta,
.nav-menu > a.nav-cta:hover {
  padding: 10px 22px;
  font-size: 14px;
  color: #fff;
  border-bottom: 0;
}

.nav-menu > a.nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.6px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.26s ease, opacity 0.2s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(6.6px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-6.6px) rotate(-45deg);
}

/* 首屏顶部留白（导航为 fixed） */
.page-top {
  padding-top: var(--nav-h);
}

/* ==========================================================================
   首页 Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: 88px 0 96px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 64px;
  align-items: center;
}

.hero-title {
  font-size: clamp(36px, 5.4vw, 62px);
  line-height: 1.24;
  letter-spacing: 0.03em;
  margin: 22px 0 0;
}

.hero-title em {
  font-style: normal;
  color: var(--gold);
  position: relative;
}

.hero-sub {
  margin-top: 26px;
  max-width: 30em;
  color: var(--ink-2);
  font-size: 16.5px;
  line-height: 2;
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.hero-note {
  margin-top: 22px;
  font-size: 13.5px;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 9px;
}

.hero-note svg {
  flex: 0 0 auto;
}

.hero-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-art svg {
  width: 100%;
  height: auto;
  max-width: 460px;
}

/* 数据条 */
.stats {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: 40px 24px;
  text-align: center;
  border-right: 1px solid var(--line-2);
}

.stat:last-child {
  border-right: 0;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 42px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.01em;
}

.stat-num small {
  font-size: 17px;
  margin-left: 3px;
}

.stat-label {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--ink-3);
  letter-spacing: 0.1em;
}

/* ==========================================================================
   通用卡片
   ========================================================================== */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--line-2);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--gold-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.card h3 {
  font-size: 19px;
  margin-bottom: 12px;
}

.card p {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.9;
}

.card-num {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.14em;
  margin-bottom: 16px;
  display: block;
}

/* 课程卡 */
.course-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.course-visual {
  height: 168px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.course-body {
  padding: 26px 26px 30px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-body h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.course-body p {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.9;
  flex: 1;
}

.course-meta {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line-2);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 12.5px;
  color: var(--ink-2);
  background: var(--paper-2);
  border-radius: var(--pill);
  padding: 5px 13px;
  letter-spacing: 0.04em;
}

.tag-gold {
  background: var(--gold-50);
  color: var(--gold-700);
}

/* 流程 */
.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: flow;
}

.flow-step {
  position: relative;
  padding: 0 26px;
  border-left: 1px solid var(--line);
}

.flow-step:first-child {
  border-left: 0;
  padding-left: 0;
}

.flow-step:last-child {
  padding-right: 0;
}

.flow-num {
  font-family: var(--font-serif);
  font-size: 30px;
  color: var(--gold);
  line-height: 1;
  letter-spacing: 0.04em;
}

.flow-step h3 {
  font-size: 17.5px;
  margin: 16px 0 10px;
}

.flow-step p {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.85;
}

/* 师资 */
.teacher {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.teacher:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.teacher-avatar {
  height: 210px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(155deg, #f7f1e8 0%, #f7ece7 100%);
}

.teacher-body {
  padding: 24px 26px 28px;
}

.teacher-body h3 {
  font-size: 19px;
}

.teacher-role {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.teacher-body p {
  margin-top: 14px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.88;
}

.teacher-tags {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

/* 场馆 */
.venue-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
}

.venue-visual {
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.venue-body {
  padding: 22px 26px 26px;
}

.venue-body h3 {
  font-size: 17.5px;
  margin-bottom: 8px;
}

.venue-body p {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.85;
}

/* ==========================================================================
   CTA 区块
   ========================================================================== */
.cta-band {
  position: relative;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 66px 60px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}

.cta-band h2 {
  font-size: clamp(24px, 3.2vw, 34px);
  margin-bottom: 14px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  max-width: 34em;
}

.cta-band .eyebrow {
  color: var(--gold-100);
}

.cta-band .eyebrow::before {
  background: var(--gold-100);
}

.cta-art {
  position: absolute;
  right: -40px;
  bottom: -60px;
  opacity: 0.12;
  pointer-events: none;
}

/* ==========================================================================
   页脚
   ========================================================================== */
.foot {
  background: var(--card);
  border-top: 1px solid var(--line);
  padding: 72px 0 0;
  margin-top: var(--sec-y);
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 44px;
  padding-bottom: 56px;
}

.foot-brand img {
  height: 78px;
  width: auto;
  margin-bottom: 22px;
}

.foot-brand p {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.9;
  max-width: 22em;
}

.foot-col h4 {
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--ink);
  margin-bottom: 20px;
  font-family: var(--font-sans);
}

.foot-col li {
  margin-bottom: 12px;
}

.foot-col a,
.foot-col span {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.8;
  transition: color 0.2s ease;
}

.foot-col a:hover {
  color: var(--gold);
}

.foot-bottom {
  border-top: 1px solid var(--line);
  padding: 24px 28px 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--ink-3);
}

.foot-bottom a:hover {
  color: var(--gold);
}

/* ==========================================================================
   子页页头
   ========================================================================== */
.phead {
  padding: 84px 0 60px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.phead h1 {
  font-size: clamp(30px, 4.4vw, 48px);
  margin: 20px 0 18px;
}

.phead p {
  color: var(--ink-2);
  font-size: 16px;
  max-width: 40em;
  line-height: 2;
}

.crumb {
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}

.crumb a:hover {
  color: var(--gold);
}

.crumb span {
  margin: 0 8px;
  color: var(--ink-4);
}

/* ==========================================================================
   课程体系页
   ========================================================================== */
.course-row {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.course-row:last-child {
  border-bottom: 0;
}

.course-row.reverse .course-row-visual {
  order: 2;
}

.course-row-visual {
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}

.course-row-body h3 {
  font-size: 26px;
  margin-bottom: 8px;
}

.course-row-body .sub {
  font-size: 13.5px;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}

.course-row-body > p {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 2;
}

.spec-list {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 26px;
}

.spec {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-2);
  align-items: flex-start;
}

.spec svg {
  flex: 0 0 auto;
  margin-top: 6px;
}

/* 价格表 */
.price-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.price-table th,
.price-table td {
  padding: 18px 22px;
  text-align: left;
  font-size: 14.5px;
  border-bottom: 1px solid var(--line-2);
}

.price-table th {
  background: var(--paper-2);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

.price-table tbody tr:last-child td {
  border-bottom: 0;
}

.price-table td:last-child,
.price-table th:last-child {
  text-align: right;
}

.price-table .price {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--gold);
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 17.5px;
  letter-spacing: 0.02em;
}

.faq-q .faq-mark {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  transition: transform 0.28s ease, background 0.2s ease, border-color 0.2s ease;
}

.faq-item.is-open .faq-mark {
  transform: rotate(45deg);
  background: var(--gold);
  border-color: var(--gold);
}

.faq-item.is-open .faq-mark svg {
  stroke: #fff;
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.34s ease;
}

.faq-a p {
  padding: 0 0 26px;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.95;
  max-width: 62em;
}

/* ==========================================================================
   关于我们页
   ========================================================================== */
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.story-grid p {
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 2.1;
  margin-bottom: 20px;
}

.story-grid p:last-child {
  margin-bottom: 0;
}

.quote-block {
  border-left: 2px solid var(--gold);
  padding: 6px 0 6px 26px;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.7;
  color: var(--ink);
}

.timeline {
  position: relative;
  padding-left: 34px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--line);
}

.tl-item {
  position: relative;
  padding-bottom: 40px;
}

.tl-item:last-child {
  padding-bottom: 0;
}

.tl-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--card);
  border: 2px solid var(--gold);
}

.tl-year {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.tl-item h3 {
  font-size: 18px;
  margin: 8px 0 8px;
}

.tl-item p {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.9;
}

.value-item {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 30px;
}

.value-item:last-child {
  border-bottom: 0;
}

.value-item h3 {
  font-size: 19px;
}

.value-item p {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.95;
}

/* ==========================================================================
   联系我们页
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.info-row {
  display: flex;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.info-row:first-of-type {
  padding-top: 0;
}

.info-icon {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--gold-50);
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-row h4 {
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  margin-bottom: 7px;
  font-family: var(--font-sans);
  font-weight: 400;
}

.info-row p {
  font-size: 15.5px;
  color: var(--ink);
  line-height: 1.8;
}

.info-row p + p {
  margin-top: 4px;
}

.info-row .muted {
  font-size: 13.5px;
  color: var(--ink-3);
}

.map-box {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--card);
}

.map-visual {
  position: relative;
  height: 300px;
  background: linear-gradient(160deg, #f7f2ec 0%, #efe7df 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.map-foot {
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
}

.map-foot p {
  font-size: 14px;
  color: var(--ink-2);
}

.hours-list {
  margin-top: 6px;
}

.hours-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
}

.hours-row:last-child {
  border-bottom: 0;
}

.hours-row span:first-child {
  color: var(--ink-2);
}

.hours-row span:last-child {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   占位内容标记（替换后可直接删掉 class="ph"）
   ========================================================================== */
.ph {
  border-bottom: 1px dashed rgba(198, 163, 135, 0.9);
  cursor: help;
}

/* ==========================================================================
   滚动显现
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.7, 0.3, 1);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn:hover,
  .card:hover,
  .course-card:hover,
  .teacher:hover {
    transform: none;
  }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
  :root {
    --sec-y: 82px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  /* 单列时文字在前、插画在后，不让插画把标题顶到屏幕外 */
  .hero-art {
    order: 2;
  }

  .hero-art svg {
    max-width: 320px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid-fix,
  .foot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .course-row,
  .story-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .course-row.reverse .course-row-visual {
    order: 0;
  }

  .cta-band {
    grid-template-columns: 1fr;
    padding: 48px 40px;
  }
}

@media (max-width: 760px) {
  :root {
    --sec-y: 62px;
    --nav-h: 64px;
  }

  body {
    font-size: 15.5px;
  }

  .wrap,
  .nav-inner {
    padding: 0 20px;
  }

  .nav-brand {
    gap: 8px;
  }

  .nav-brand img {
    height: 34px;
  }

  .nav-brand-text b {
    font-size: 15px;
  }

  .nav-brand-text small {
    margin-top: 4px;
    font-size: 8px;
    letter-spacing: 0.16em;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px 20px 22px;
    box-shadow: 0 18px 40px rgba(35, 24, 21, 0.1);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s;
  }

  .nav-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-menu > a {
    padding: 15px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--line-2);
  }

  .nav-menu > a::after {
    display: none;
  }

  .nav-menu > a.is-active {
    color: var(--gold);
  }

  .nav-cta {
    margin: 18px 0 0;
  }

  .nav-menu > a.nav-cta {
    padding: 14px 22px;
    font-size: 15px;
    justify-content: center;
  }

  .hero {
    padding: 56px 0 64px;
  }

  .hero-art svg {
    max-width: 240px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat {
    padding: 28px 14px;
    border-bottom: 1px solid var(--line-2);
  }

  .stat:nth-child(2n) {
    border-right: 0;
  }

  .stat:nth-child(n + 3) {
    border-bottom: 0;
  }

  .stat-num {
    font-size: 34px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .flow {
    grid-template-columns: 1fr;
  }

  .flow-step {
    border-left: 0;
    padding: 0 0 26px;
    border-bottom: 1px solid var(--line);
  }

  .flow-step:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .spec-list {
    grid-template-columns: 1fr;
  }

  .value-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .card {
    padding: 28px 24px;
  }

  .cta-band {
    padding: 40px 26px;
    border-radius: var(--radius);
  }

  .foot {
    margin-top: 62px;
    padding-top: 52px;
  }

  .foot-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 40px;
  }

  .foot-bottom {
    flex-direction: column;
    align-items: flex-start;
    padding: 22px 20px 26px;
  }

  .phead {
    padding: 56px 0 40px;
  }

  .price-table th,
  .price-table td {
    padding: 14px 14px;
    font-size: 13.5px;
  }

  .map-visual {
    height: 220px;
  }

  .course-row {
    padding: 40px 0;
  }
}

/* ==========================================================================
   单页版（对外只展示体验课）—— 增量样式
   多页版仍在用同一份 CSS，所以这里的规则都用新类名，不覆盖既有选择器。
   ========================================================================== */

/* 导航：只剩一个「预约体验课」按钮，没有下拉菜单，移动端也保持可见 */
.nav-solo {
  display: flex;
  align-items: center;
}
.nav-solo > a.nav-cta {
  margin-left: 4px;
  padding: 10px 22px;
  font-size: 14px;
  color: #fff;
  border-bottom: 0;
}

/* 体验课流程末尾的预约入口 */
.flow-cta {
  margin-top: 44px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.flow-cta-note {
  font-size: 14px;
  color: var(--ink-3);
}

/* 页脚：单页版只有「品牌 + 联系」两栏 */
.foot-grid--solo {
  grid-template-columns: 1.5fr 1.3fr;
}
.foot-cta {
  margin-top: 20px;
}

@media (max-width: 1024px) {
  .foot-grid--solo {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 760px) {
  .nav-inner {
    gap: 12px;
  }

  .nav-solo > a.nav-cta {
    margin-left: 0;
    padding: 9px 15px;
    font-size: 13.5px;
  }

  .hero-actions--stack {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions--stack .btn {
    width: 100%;
  }

  .foot-grid--solo {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .flow-cta {
    margin-top: 34px;
    gap: 14px;
  }
}