:root {
  --page-width: 7.5rem;
  --side-gap: 0.3rem;
  --green-900: #214d49;
  --green-800: #2f645c;
  --green-700: #68807b;
  --gold-700: #ba8b55;
  --gold-500: #e4c79d;
  --cream-100: #fcfaf6;
  --cream-200: #f7f1e8;
  --sand-100: #f4eadb;
  --sand-200: #ecdfcb;
  --line: #eadcc8;
  --text-900: #214d49;
  --text-700: #5e7470;
  --shadow: 0 0.16rem 0.34rem rgba(84, 69, 40, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(255, 252, 244, 0.96), rgba(247, 241, 232, 0.96)),
    #efe6d8;
  color: var(--text-700);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

.mobile-page {
  width: var(--page-width);
  min-height: 100vh;
  margin: 0 auto;
  overflow: hidden;
  background: var(--cream-100);
}

.section {
  position: relative;
  padding: 0.52rem var(--side-gap);
}

.section + .section {
  border-top: 0.01rem solid rgba(233, 220, 200, 0.55);
}

.hero {
  background: #efe3d0;
}

.hero img {
  width: 7.5rem;
  height: auto;
}

.section-heading {
  margin-bottom: 0.28rem;
}

.section-heading__eyebrow {
  margin: 0 0 0.12rem;
  color: #a88558;
  font-size: 0.2rem;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.section-heading h2 {
  margin: 0;
  color: var(--text-900);
  font-size: 0.46rem;
  font-weight: 800;
  line-height: 1.2;
}

.heading-line {
  display: block;
  width: 0.74rem;
  height: 0.06rem;
  margin-top: 0.18rem;
  border-radius: 9.99rem;
  background: linear-gradient(90deg, var(--gold-700), var(--gold-500));
}

.stack {
  display: grid;
  gap: 0.22rem;
}

.card {
  border: 0.01rem solid var(--line);
  border-radius: 0.28rem;
  background: rgba(255, 252, 247, 0.98);
  box-shadow: var(--shadow);
}

.card-kicker {
  margin: 0 0 0.06rem;
  color: #a88657;
  font-size: 0.18rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.info-card {
  padding: 0.3rem 0.28rem 0.26rem;
}

.info-card__head {
  display: flex;
  align-items: center;
  gap: 0.18rem;
  margin-bottom: 0.2rem;
}

.icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.84rem;
  height: 0.84rem;
  border-radius: 50%;
  background: linear-gradient(180deg, #fffaf0 0%, #f7ecd7 100%);
  box-shadow: inset 0 0 0 0.01rem rgba(194, 150, 90, 0.12);
}

.icon-wrap img {
  width: 0.38rem;
  height: 0.38rem;
}

.info-card h3,
.audience-card h3,
.subject-card h3,
.service-item h3,
.recognized-item h3,
.exam-card h3,
.trend-card h3,
.teacher-card__head h3 {
  margin: 0;
  color: var(--text-900);
  font-size: 0.34rem;
  font-weight: 800;
  line-height: 1.24;
}

.info-card p,
.audience-card p,
.subject-card p,
.note-card p,
.service-item p,
.recognized-item p,
.exam-card p,
.trend-card li,
.teacher-card p,
.faq-answer p {
  margin: 0;
  font-size: 0.26rem;
  line-height: 1.72;
  color: var(--text-700);
}

.info-card p + p {
  margin-top: 0.16rem;
}

.section-advantages {
  background: #faf5ec;
}

.benefit-list {
  display: grid;
  gap: 0.18rem;
}

.benefit-card {
  display: flex;
  align-items: flex-start;
  gap: 0.22rem;
  padding: 0.24rem;
}

.benefit-card__icon {
  width: 1.12rem;
  height: 1.12rem;
  flex: 0 0 auto;
}

.benefit-card__content h3 {
  margin: 0.02rem 0 0.1rem;
  color: var(--text-900);
  font-size: 0.32rem;
  font-weight: 800;
  line-height: 1.2;
}

.benefit-card__content p {
  margin: 0;
  font-size: 0.24rem;
  line-height: 1.64;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 0.88rem;
  margin-top: 0.28rem;
  border-radius: 9.99rem;
  font-size: 0.3rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.cta--gold {
  background: linear-gradient(180deg, #efd0a6 0%, #dfba82 100%);
  color: var(--text-900);
}

.cta--green {
  background: linear-gradient(180deg, #3f7c69 0%, #2a6656 100%);
  color: #fff;
}

.section-audience {
  background: linear-gradient(180deg, #f6ebde 0%, #fbf7f0 100%);
}

.audience-card,
.subject-card {
  padding: 0.3rem 0.28rem 0.28rem;
}

.audience-head {
  display: flex;
  align-items: center;
  gap: 0.18rem;
  margin-bottom: 0.2rem;
}

.audience-head img {
  width: 0.84rem;
  height: 0.84rem;
  flex: 0 0 auto;
}

.subject-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.16rem;
}

.subject-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 0.62rem;
  padding: 0 0.2rem;
  border: 0.01rem solid rgba(194, 150, 90, 0.5);
  border-radius: 9.99rem;
  background: rgba(255, 250, 242, 0.96);
  color: var(--text-900);
  font-size: 0.23rem;
  font-weight: 500;
  line-height: 1.35;
}

.note-card {
  display: flex;
  align-items: flex-start;
  gap: 0.18rem;
  padding: 0.24rem 0.24rem 0.24rem 0.22rem;
  background: #fffaf2;
}

.note-card img {
  width: 0.56rem;
  flex: 0 0 auto;
}

.section-service {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.15)),
    #f9f4ec;
}

.service-list {
  display: grid;
  gap: 0.18rem;
}

.service-item {
  position: relative;
  padding: 0.26rem 0.26rem 0.24rem 0.78rem;
}

.service-item::before {
  content: "";
  position: absolute;
  left: 0.28rem;
  top: 0.34rem;
  width: 0.2rem;
  height: 0.2rem;
  border-radius: 50%;
  background: linear-gradient(180deg, #d8b381 0%, #b98854 100%);
  box-shadow: 0 0 0 0.08rem rgba(217, 186, 145, 0.18);
}

.service-item h3 {
  font-size: 0.3rem;
  margin-bottom: 0.08rem;
}

.section-recognized {
  background: #faf5ec;
}

.recognized-list {
  display: grid;
  gap: 0.16rem;
}

.recognized-item {
  display: flex;
  align-items: flex-start;
  gap: 0.18rem;
  padding: 0.24rem;
}

.recognized-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.7rem;
  height: 0.7rem;
  flex: 0 0 auto;
  border-radius: 0.22rem;
  background: linear-gradient(180deg, #fff6ea 0%, #f1debf 100%);
  color: var(--text-900);
  font-size: 0.24rem;
  font-weight: 800;
}

.recognized-item h3 {
  font-size: 0.28rem;
  margin-bottom: 0.06rem;
}

.recognized-item p {
  font-size: 0.22rem;
  line-height: 1.56;
}

.section-info {
  background: #fffdf9;
}

.exam-card {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.24rem;
}

.exam-card img {
  width: 0.96rem;
  height: 0.96rem;
  flex: 0 0 auto;
}

.exam-card h3 {
  font-size: 0.3rem;
  margin-bottom: 0.08rem;
}

.trend-card {
  padding: 0.28rem 0.26rem;
}

.trend-card h3 {
  margin-bottom: 0.16rem;
  font-size: 0.3rem;
}

.trend-card ul {
  margin: 0;
  padding-left: 1.25em;
}

.trend-card li + li {
  margin-top: 0.12rem;
}

.section-teachers {
  background: linear-gradient(180deg, #f5ecde 0%, #fbf7f0 100%);
}

.teacher-list {
  display: grid;
  gap: 0.24rem;
}

.teacher-card {
  overflow: hidden;
  border-radius: 0.28rem;
  background: #fff8ef;
  box-shadow: var(--shadow);
}

.teacher-card__photo {
  width: 100%;
  height: 4.3rem;
  object-fit: cover;
}

.teacher-card__body {
  padding: 0.24rem 0.24rem 0.28rem;
}

.teacher-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.14rem;
  margin-bottom: 0.22rem;
}

.teacher-card__head h3 {
  font-size: 0.28rem;
}

.teacher-card__head span {
  flex: 0 0 auto;
  padding: 0.12rem 0.16rem;
  border-radius: 9.99rem;
  background: #e7f5e9;
  color: #2d5f58;
  font-size: 0.18rem;
  font-weight: 700;
  line-height: 1;
}

.teacher-card p {
  margin-bottom: 0.26rem;
  font-size: 0.24rem;
}

.teacher-card a {
  color: var(--gold-700);
  font-size: 0.24rem;
  font-weight: 800;
}

.section-project {
  background: #f9f4eb;
}

.faq-list {
  display: grid;
  gap: 0.16rem;
}

.faq-item {
  overflow: clip;
  border: 0.01rem solid #e8dbc7;
  border-radius: 0.24rem;
  background: rgba(255, 252, 246, 0.98);
  box-shadow: 0 0.12rem 0.28rem rgba(101, 83, 41, 0.06);
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.faq-item.is-open {
  border-color: rgba(199, 155, 108, 0.65);
  background: rgba(255, 253, 248, 1);
  box-shadow: 0 0.16rem 0.3rem rgba(101, 83, 41, 0.09);
}

.faq-question {
  position: relative;
  width: 100%;
  min-height: 0.9rem;
  padding: 0.26rem 0.78rem 0.26rem 0.28rem;
  border: 0;
  background: transparent;
  color: var(--text-900);
  font: inherit;
  font-size: 0.28rem;
  font-weight: 800;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
}

.faq-question::after {
  content: "";
  position: absolute;
  right: 0.3rem;
  top: 50%;
  width: 0.14rem;
  height: 0.14rem;
  border-right: 0.02rem solid var(--text-900);
  border-bottom: 0.02rem solid var(--text-900);
  transform: translateY(-60%) rotate(45deg);
  transition: transform 180ms ease;
}

.faq-item.is-open .faq-question::after {
  transform: translateY(-35%) rotate(-135deg);
}

.faq-answer {
  height: 0;
  overflow: hidden;
  transition: height 240ms ease;
}

.faq-answer__inner {
  padding: 0 0.28rem 0.28rem;
}

.certificate-card {
  padding: 0.14rem;
  border-radius: 0.28rem;
}

.certificate-card img {
  width: 100%;
  border-radius: 0.22rem;
}