:root {
  --paper: #f7fbf7;
  --paper-warm: #fbfff9;
  --surface: #ffffff;
  --surface-soft: #eef8f0;
  --ink: #263238;
  --muted: #687873;
  --line: #e4eee7;
  --green: #279f32;
  --green-dark: #177827;
  --clay: #f28b2e;
  --gold: #f2b64b;
  --teal: #61bd72;
  --mist: #f0faf2;
  --blush: #fff7ec;
  --shadow: 0 18px 42px rgba(39, 159, 50, 0.08);
  --soft-shadow: 0 10px 26px rgba(39, 159, 50, 0.055);
  --page-max: 1120px;
  --article-max: 920px;
  --page-gutter: max(20px, calc((100vw - var(--page-max)) / 2));
  --article-gutter: max(20px, calc((100vw - var(--article-max)) / 2));
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #ffffff 0, var(--paper) 560px, #f4fbf5 1120px, #ffffff 100%);
  line-height: 1.65;
  overflow-x: hidden;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 66px;
  padding: 10px var(--page-gutter);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: contain;
  box-shadow: 0 8px 18px rgba(39, 159, 50, 0.14);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 17px;
  line-height: 1.2;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 15px;
}

.site-nav a {
  color: #3f4c48;
}

.site-nav a:hover {
  color: var(--clay);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
  white-space: nowrap;
}

.nav-cta {
  color: #fff !important;
  background: var(--green);
  box-shadow: 0 10px 20px rgba(47, 123, 112, 0.16);
}

.button:hover,
.nav-cta:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: var(--green);
  box-shadow: 0 10px 24px rgba(47, 123, 112, 0.16);
}

.button-secondary {
  color: var(--green);
  background: rgba(255, 255, 255, 0.86);
  border-color: var(--line);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  color: var(--green-dark);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.lucide {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  align-items: center;
  min-height: clamp(480px, 56vh, 580px);
  padding: clamp(42px, 6vh, 68px) var(--page-gutter) clamp(36px, 5vh, 54px);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 255, 249, 0.92) 48%, rgba(248, 255, 249, 0.62) 100%),
    url("assets/hero-calm.png") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 86px;
  z-index: -1;
  background: linear-gradient(0deg, var(--paper), rgba(251, 252, 248, 0));
}

.hero-content {
  max-width: 820px;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--clay);
  font-weight: 700;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(54px, 6.4vw, 88px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.35;
}

.hero-subtitle {
  max-width: 720px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 20px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-panel {
  display: grid;
  gap: 0;
  padding: 20px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-panel div {
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.hero-panel div:first-child {
  padding-top: 0;
}

.hero-panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.hero-panel span,
.course-top span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.hero-panel strong {
  display: block;
  margin-top: 2px;
  color: var(--green-dark);
  font-size: 19px;
}

.section {
  padding: clamp(50px, 6vw, 78px) var(--page-gutter);
}

.section-head {
  max-width: 760px;
  margin-bottom: 26px;
}

.schedule-section {
  padding-top: clamp(44px, 5vw, 64px);
  background:
    linear-gradient(180deg, #ffffff 0%, var(--paper) 100%);
}

.schedule-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
}

.schedule-head > div {
  max-width: 760px;
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.schedule-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 238px;
  padding: 22px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--soft-shadow);
}

.schedule-card.is-featured {
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff, var(--blush));
  border-color: #d8eadc;
  box-shadow: 0 14px 34px rgba(217, 120, 99, 0.1);
}

.schedule-card.is-featured::after {
  content: "最近";
  position: absolute;
  top: 20px;
  right: -32px;
  width: 120px;
  padding: 4px 0;
  text-align: center;
  color: var(--green-dark);
  background: linear-gradient(135deg, #f0d38a, var(--gold));
  transform: rotate(36deg);
  font-size: 13px;
  font-weight: 700;
}

.schedule-status {
  align-self: flex-start;
  margin-bottom: 16px;
  padding: 4px 10px;
  color: var(--clay);
  background: var(--blush);
  border: 1px solid rgba(242, 139, 46, 0.2);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
}

.schedule-card.is-featured .schedule-status {
  color: var(--green-dark);
  background: #fff0c8;
  border-color: transparent;
}

.schedule-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.schedule-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 5px 9px;
  color: #40544a;
  background: var(--surface-soft);
  border-radius: 8px;
  font-size: 14px;
}

.schedule-card.is-featured .schedule-meta span {
  color: var(--green);
  background: var(--surface-soft);
}

.schedule-card p {
  color: var(--muted);
}

.schedule-card.is-featured p {
  color: var(--muted);
}

.schedule-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 12px;
}

.schedule-bottom strong {
  color: var(--green-dark);
  font-size: 24px;
}

.schedule-bottom a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--clay);
  font-weight: 700;
}

.schedule-card.is-featured .schedule-bottom strong,
.schedule-card.is-featured .schedule-bottom a {
  color: var(--green-dark);
}

.schedule-card.is-featured .schedule-bottom a {
  color: var(--clay);
}

.section-head p:last-child {
  color: var(--muted);
  font-size: 16px;
}

.audience-grid,
.course-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.audience-grid article,
.course-card,
.principles article,
.path-line article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--soft-shadow);
}

.audience-grid article {
  min-height: 178px;
  padding: 20px;
}

.audience-grid .lucide {
  width: 28px;
  height: 28px;
  margin-bottom: 16px;
  color: var(--green);
}

.audience-grid p,
.course-card p,
.principles p,
.path-line p,
.mentor-card p,
.ethics-copy p,
.faq-list p,
.contact-copy p,
.site-footer p {
  color: var(--muted);
}

.philosophy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 450px);
  gap: clamp(24px, 4vw, 56px);
  background:
    linear-gradient(135deg, #ffffff, var(--paper) 56%, var(--mist));
}

.philosophy-copy p:not(.eyebrow) {
  max-width: 760px;
  color: #4f5d55;
  font-size: 16px;
}

.philosophy-copy,
.contact-copy,
.ethics-copy,
.mentor-card > div,
.section-head {
  min-width: 0;
}

.principles {
  display: grid;
  gap: 12px;
}

.principles article {
  padding: 20px;
}

.principles span,
.path-line span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  color: #fff;
  background: var(--clay);
  border-radius: 8px;
  font-weight: 700;
}

.courses-section {
  background: linear-gradient(180deg, #ffffff, var(--paper));
}

.course-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.tab {
  min-height: 42px;
  padding: 8px 14px;
  color: var(--green-dark);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.tab.is-active {
  color: #fff;
  background: var(--green);
  border-color: transparent;
  box-shadow: 0 10px 20px rgba(47, 123, 112, 0.16);
}

.course-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.course-card {
  display: flex;
  flex-direction: column;
  min-height: 254px;
  padding: 20px;
}

.course-card.is-hidden {
  display: none;
}

.course-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.course-top strong {
  color: var(--green-dark);
  font-size: 25px;
  line-height: 1;
}

.course-card p {
  margin-bottom: 18px;
}

.course-card a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  color: var(--clay);
  font-weight: 700;
}

.course-card.accent {
  border-color: #d8eadc;
  background: linear-gradient(180deg, var(--blush), #ffffff);
}

.course-card.flagship {
  color: var(--ink);
  background: linear-gradient(135deg, #ffffff 0%, #eef8f0 58%, #f8fff8 100%);
  border-color: #dbeae4;
  box-shadow: var(--shadow);
}

.course-card.flagship p,
.course-card.flagship span {
  color: var(--muted);
}

.course-card.flagship strong,
.course-card.flagship a {
  color: var(--green);
}

.path-section {
  background: linear-gradient(180deg, #ffffff, var(--paper));
}

.path-line {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.path-line article {
  min-height: 170px;
  padding: 22px;
}

.mentor-section {
  background:
    linear-gradient(135deg, var(--mist) 0%, #ffffff 52%, var(--paper) 100%);
}

.mentor-card {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  max-width: 1180px;
}

.mentor-photo {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  overflow: hidden;
  background: linear-gradient(135deg, #e3f1ee, #f5f7f0);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.mentor-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% 24%;
}

.mentor-photo .lucide {
  width: 78px;
  height: 78px;
  color: rgba(255, 255, 255, 0.86);
}

.mentor-content {
  display: grid;
  gap: 14px;
}

.mentor-title {
  width: fit-content;
  margin: -6px 0 2px;
  padding: 5px 10px;
  color: var(--green-dark) !important;
  background: rgba(255, 253, 250, 0.78);
  border: 1px solid rgba(47, 106, 77, 0.16);
  border-radius: 8px;
  font-weight: 800;
}

.mentor-intro {
  max-width: 820px;
  margin-bottom: 4px;
  color: #405247 !important;
  font-size: 17px;
  line-height: 1.85;
}

.mentor-section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 4px;
}

.mentor-section-grid article {
  padding: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.mentor-section-grid h3 {
  margin-bottom: 10px;
  color: var(--green-dark);
  font-size: 19px;
}

.mentor-section-grid ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mentor-section-grid li {
  position: relative;
  padding-left: 18px;
  color: #4f5d55;
  font-size: 15px;
  line-height: 1.7;
}

.mentor-section-grid li::before {
  content: "";
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--clay);
  border-radius: 50%;
}

.ethics-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  background:
    linear-gradient(135deg, #ffffff 0%, var(--mist) 54%, var(--blush) 100%);
  color: var(--ink);
}

.ethics-copy p {
  color: var(--muted);
}

.ethics-list {
  display: grid;
  gap: 12px;
}

.ethics-list div {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.ethics-list .lucide {
  flex: 0 0 auto;
  color: var(--clay);
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq-list details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--soft-shadow);
}

.faq-list summary {
  min-height: 58px;
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 700;
}

.faq-list p {
  padding: 0 20px 18px;
}

.faq-section {
  padding-bottom: clamp(28px, 4vw, 44px);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(360px, 480px);
  justify-content: center;
  align-items: center;
  gap: clamp(22px, 3.4vw, 44px);
  padding: clamp(34px, 4.4vw, 54px) var(--page-gutter);
  background: linear-gradient(135deg, #ffffff, var(--mist) 58%, var(--surface));
}

.contact-copy {
  text-align: left;
}

.contact-copy h2 {
  margin-bottom: 14px;
}

.contact-copy p:not(.eyebrow) {
  max-width: 560px;
}

.admin-contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  gap: 20px;
  align-items: center;
  width: 100%;
  max-width: 480px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--soft-shadow);
}

.admin-contact-card span {
  display: block;
  margin-bottom: 6px;
  color: var(--clay);
  font-size: 13px;
  font-weight: 700;
}

.admin-contact-card h3 {
  margin-bottom: 8px;
  color: var(--green-dark);
  font-size: 28px;
}

.admin-phone {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--green-dark);
  font-size: 28px;
  font-weight: 800;
}

.admin-call-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  margin-bottom: 12px;
  padding: 7px 14px;
  color: #fff;
  background: var(--green);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 800;
}

.admin-contact-card p {
  margin-bottom: 0;
  max-width: 280px;
  font-size: 14px;
}

.admin-contact-card img {
  display: block;
  width: 150px;
  height: 150px;
  padding: 8px;
  object-fit: cover;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: #34453c;
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--ink);
  background: #f8fbf8;
  border: 1px solid #d9e0d8;
  border-radius: 8px;
  outline: none;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(49, 95, 70, 0.12);
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(200px, 0.6fr) minmax(0, 1.4fr);
  gap: 24px;
  padding: 32px var(--page-gutter);
  color: var(--ink);
  background: linear-gradient(135deg, #f3fbf4, #ffffff 58%, #f8fff8);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin-bottom: 0;
  color: var(--muted);
}

.site-footer-info {
  display: grid;
  gap: 10px;
}

.icp-link {
  width: fit-content;
  color: var(--green);
  font-size: 13px;
  text-decoration: none;
}

.icp-link:hover {
  color: var(--green-dark);
}

.detail-header {
  position: sticky;
}

.course-detail-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: clamp(30px, 5vw, 72px);
  align-items: end;
  padding: clamp(76px, 10vw, 132px) var(--page-gutter) clamp(56px, 8vw, 88px);
  overflow: hidden;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(247, 251, 247, 0.76)),
    url("assets/hero-calm.png") center / cover no-repeat;
}

.course-detail-copy {
  max-width: 840px;
  min-width: 0;
}

.course-detail-copy h1 {
  max-width: 900px;
}

.course-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.mobile-course-bar,
.mobile-sticky-cta {
  display: none;
}

.course-info-panel,
.sidebar-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.course-info-panel {
  display: grid;
  gap: 0;
  padding: 22px;
  backdrop-filter: blur(14px);
}

.course-info-panel div {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.course-info-panel div:first-child {
  padding-top: 0;
}

.course-info-panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.course-info-panel span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.course-info-panel strong {
  display: block;
  margin-top: 4px;
  color: var(--green-dark);
  font-size: 22px;
}

.course-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
  gap: clamp(26px, 5vw, 64px);
  align-items: start;
  padding: clamp(72px, 9vw, 112px) var(--page-gutter);
}

.session-section {
  background: linear-gradient(180deg, #ffffff, var(--paper));
}

.session-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.session-card {
  padding: clamp(22px, 4vw, 34px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.session-status {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 18px;
  padding: 4px 10px;
  color: var(--clay);
  background: var(--blush);
  border: 1px solid rgba(165, 79, 63, 0.18);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
}

.session-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.session-title-row h3 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
}

.session-title-row strong {
  color: var(--green-dark);
  font-size: 28px;
  white-space: nowrap;
}

.session-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.session-facts div {
  display: grid;
  grid-template-columns: 24px minmax(80px, auto) minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  min-height: 72px;
  padding: 16px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.session-facts .lucide {
  margin-top: 2px;
  color: var(--green);
}

.session-facts span {
  color: var(--muted);
  font-size: 14px;
}

.session-facts strong {
  color: #26352d;
  font-size: 15px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.teacher-block {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 18px;
  margin-bottom: 22px;
  padding: 20px;
  background: linear-gradient(135deg, var(--mist), var(--surface));
  border-radius: 8px;
}

.teacher-avatar {
  display: grid;
  place-items: center;
  width: 84px;
  height: 84px;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, var(--green), var(--teal));
  border-radius: 8px;
}

.teacher-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% 24%;
}

.teacher-avatar .lucide {
  width: 42px;
  height: 42px;
}

.teacher-block span {
  color: var(--clay);
  font-size: 13px;
  font-weight: 700;
}

.teacher-block h4 {
  margin: 2px 0 4px;
  font-size: 24px;
}

.teacher-block p {
  margin-bottom: 0;
  color: var(--muted);
}

.teacher-title {
  margin-bottom: 10px !important;
  color: var(--green-dark) !important;
  font-weight: 700;
}

.course-detail-main {
  display: grid;
  gap: 56px;
}

.course-detail-main section {
  max-width: 900px;
}

.detail-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.detail-list li {
  position: relative;
  padding: 16px 18px 16px 46px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.detail-list li::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 20px;
  width: 9px;
  height: 9px;
  background: var(--clay);
  border-radius: 50%;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.module-grid article {
  min-height: 146px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.module-grid span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  color: #fff;
  background: var(--green-dark);
  border-radius: 8px;
  font-weight: 700;
}

.certificate-section.is-hidden {
  display: none;
}

.certificate-intro {
  max-width: 820px;
  color: var(--muted);
  font-size: 16px;
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.certificate-card {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(28, 51, 38, 0.08);
}

.certificate-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: var(--paper-warm);
  border-bottom: 1px solid var(--line);
}

.certificate-card div {
  padding: 18px;
}

.certificate-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--clay);
  font-size: 13px;
  font-weight: 800;
}

.certificate-card h3 {
  margin-bottom: 8px;
  font-size: 21px;
}

.certificate-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.course-detail-sidebar {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 16px;
}

.sidebar-card {
  padding: 24px;
}

.sidebar-card p {
  color: var(--muted);
}

.sidebar-card .button {
  width: 100%;
  margin-top: 8px;
}

.note-card {
  background: linear-gradient(135deg, #ffffff, var(--mist) 62%, var(--blush));
  color: var(--ink);
  border-color: var(--line);
}

.note-card p {
  color: var(--muted);
}

.article-index-page {
  background:
    linear-gradient(180deg, #ffffff 0%, var(--paper) 44%, #ffffff 100%);
}

.article-index-hero {
  max-width: var(--article-max);
  margin: 0 auto;
  padding: clamp(76px, 10vw, 116px) 0 clamp(28px, 5vw, 48px);
}

.article-index-hero h1 {
  max-width: 820px;
  margin-bottom: 18px;
  font-size: clamp(42px, 6vw, 78px);
}

.article-index-hero > p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
  font-size: 19px;
}

.article-index-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  margin-top: 26px;
  color: var(--muted);
  font-size: 14px;
}

.article-index-meta a {
  color: var(--green-dark);
  font-weight: 700;
}

.article-index-section {
  max-width: var(--article-max);
  margin: 0 auto;
  padding: 0 0 clamp(56px, 8vw, 96px);
}

.article-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.article-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.article-card.is-featured {
  padding-top: 32px;
  padding-bottom: 32px;
}

.article-card-main {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.article-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: var(--clay);
  font-size: 13px;
  font-weight: 700;
}

.article-card-meta time {
  color: var(--muted);
  font-weight: 500;
}

.article-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.18;
}

.article-card.is-featured h3 {
  font-size: clamp(28px, 4vw, 46px);
}

.article-card-title {
  color: inherit;
  text-decoration: none;
}

.article-card-title:hover h3 {
  color: var(--green);
}

.article-card p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.article-read-link {
  margin-top: 6px;
  color: var(--clay);
  font-weight: 700;
  white-space: nowrap;
}

.article-detail-page {
  padding: clamp(36px, 6vw, 72px) var(--article-gutter);
  background:
    linear-gradient(180deg, #ffffff 0%, var(--paper) 360px, #ffffff 100%);
}

.article-detail {
  max-width: var(--article-max);
  margin: 0 auto;
}

.article-back-link {
  display: inline-flex;
  align-items: center;
  margin-bottom: 26px;
  color: #456255;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.article-back-link::before {
  content: "<";
  margin-right: 8px;
}

.article-detail-hero {
  max-width: 850px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(28, 54, 44, 0.14);
}

.article-detail h1 {
  margin: 10px 0 18px;
  color: #17271f;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.04;
  letter-spacing: 0;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
}

.article-meta span + span::before {
  content: "";
  width: 4px;
  height: 4px;
  margin-right: 16px;
  background: #9fb1a7;
  border-radius: 50%;
}

.article-excerpt {
  max-width: 760px;
  margin: 0;
  color: #41534a;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.72;
}

.article-detail-layout {
  display: grid;
  grid-template-columns: minmax(200px, 250px) minmax(0, 650px);
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
  padding-top: 34px;
}

.article-side {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 16px;
}

.article-side-panel {
  padding: 18px 0;
  border-top: 1px solid rgba(28, 54, 44, 0.16);
}

.article-side-panel span,
.article-related .eyebrow {
  display: block;
  margin-bottom: 10px;
  color: #7a4e2f;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
}

.article-side-panel p {
  margin: 0;
  color: #405148;
  font-size: 15px;
  line-height: 1.72;
}

.article-takeaways ol {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 20px;
  color: #25362d;
  font-size: 15px;
  line-height: 1.65;
}

.article-main {
  min-width: 0;
}

.article-body {
  display: grid;
  gap: 20px;
  color: #26352d;
  font-size: 18px;
  line-height: 1.9;
}

.article-body p {
  margin: 0;
}

.article-body-section {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

.article-body h2 {
  margin: 10px 0 0;
  color: #17271f;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.25;
  letter-spacing: 0;
}

.article-disclaimer {
  margin-top: 36px;
  padding: 20px 0;
  border-top: 1px solid rgba(28, 54, 44, 0.16);
  border-bottom: 1px solid rgba(28, 54, 44, 0.16);
  color: #405148;
}

.article-disclaimer strong {
  display: block;
  margin-bottom: 8px;
  color: #17271f;
}

.article-disclaimer p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.article-related {
  display: grid;
  gap: 18px;
  margin-top: 38px;
}

.article-related h2 {
  margin: 0;
  color: #17271f;
  font-size: 28px;
  letter-spacing: 0;
}

.article-related-list {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(28, 54, 44, 0.16);
}

.article-related-list a {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  color: #17271f;
  text-decoration: none;
  border-bottom: 1px solid rgba(28, 54, 44, 0.16);
}

.article-related-list a span {
  color: #708178;
  font-size: 13px;
  font-weight: 800;
}

.article-related-list a strong {
  font-size: 18px;
  line-height: 1.45;
}

.article-related-list a:hover strong {
  color: var(--accent);
}

.generator-box {
  display: grid;
  gap: 14px;
  padding: 18px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.generator-box h3 {
  margin: 0;
}

.topic-suggestion-list {
  display: grid;
  gap: 10px;
}

.topic-suggestion-card {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 12px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(49, 95, 70, 0.16);
  border-radius: 8px;
}

.topic-suggestion-card input {
  width: 18px;
  min-height: 18px;
  margin-top: 3px;
}

.topic-suggestion-card h4 {
  margin: 0 0 6px;
  color: var(--green-dark);
  font-size: 16px;
}

.topic-suggestion-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.ai-config-layout {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.ai-status-card {
  display: grid;
  gap: 12px;
}

.ai-status-card div {
  padding: 18px;
  background: #fbfffb;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.ai-status-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.ai-status-card strong {
  display: block;
  margin-top: 4px;
  color: var(--green-dark);
  font-size: 22px;
}

.admin-body {
  background: #f7fbf7;
}

.admin-app-body {
  min-height: 100vh;
  background: #eef8f0;
}

.is-hidden {
  display: none !important;
}

.admin-login {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.96), rgba(240, 250, 242, 0.78)),
    url("assets/hero-calm.png") center / cover no-repeat;
}

.admin-login-card {
  display: grid;
  gap: 26px;
  width: min(460px, 100%);
  padding: 34px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.admin-login-card h1 {
  margin-bottom: 10px;
  font-size: 42px;
}

.login-form {
  box-shadow: none !important;
  padding: 0 !important;
  background: transparent !important;
  border: 0 !important;
}

.admin-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
  height: 100vh;
  padding: 22px;
  background: linear-gradient(180deg, #17231f, #26312f);
  color: #fff;
}

.admin-sidebar .brand {
  min-width: 0;
}

.admin-sidebar .brand small {
  color: rgba(255, 255, 255, 0.7);
}

.admin-menu {
  display: grid;
  gap: 8px;
}

.admin-menu button {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.78);
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
}

.admin-menu button:hover,
.admin-menu button.is-active {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.14);
}

.admin-sidebar-actions {
  display: grid;
  gap: 10px;
  margin-top: auto;
}

.admin-sidebar-actions .button {
  width: 100%;
}

.admin-workspace {
  min-width: 0;
  padding: 28px;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(28, 51, 38, 0.08);
}

.admin-topbar h1 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 46px);
}

.admin-panel {
  display: none;
}

.admin-panel.is-active {
  display: block;
}

.admin-panel-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 20px;
}

.admin-panel-head h2 {
  margin-bottom: 8px;
}

.admin-panel-head p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.admin-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.admin-summary-card {
  min-height: 190px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(28, 51, 38, 0.08);
}

.admin-summary-card span {
  color: var(--clay);
  font-size: 13px;
  font-weight: 700;
}

.admin-summary-card strong {
  display: block;
  margin: 14px 0 10px;
  color: var(--green-dark);
  font-size: 44px;
  line-height: 1;
}

.admin-summary-card p {
  color: var(--muted);
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.admin-main {
  padding: clamp(36px, 6vw, 72px) clamp(20px, 5vw, 72px);
}

.admin-hero {
  max-width: 760px;
  margin-bottom: 34px;
}

.admin-hero h1 {
  margin-bottom: 14px;
  font-size: clamp(38px, 5vw, 68px);
}

.admin-hero p:last-child {
  color: var(--muted);
  font-size: 18px;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(320px, 520px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.admin-form,
.admin-list-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.admin-form {
  display: grid;
  gap: 16px;
  padding: 24px;
}

.admin-form label {
  display: grid;
  gap: 7px;
  color: #34453c;
  font-weight: 700;
}

.admin-form input,
.admin-form select,
.admin-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  background: #fbfffb;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
}

.admin-form textarea {
  resize: vertical;
}

.admin-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.admin-actions,
.admin-list-head,
.admin-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-actions,
.admin-list-head {
  justify-content: space-between;
}

.admin-list-panel {
  padding: 24px;
}

.admin-help {
  display: grid;
  gap: 12px;
}

.admin-help p {
  margin-bottom: 0;
  color: var(--muted);
}

.admin-list-head {
  margin-bottom: 16px;
}

.admin-list-head h2 {
  margin: 0;
  font-size: 28px;
}

.admin-list {
  display: grid;
  gap: 12px;
}

.admin-class-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  background: #fbfffb;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.admin-class-card span {
  color: var(--clay);
  font-size: 13px;
  font-weight: 700;
}

.admin-class-card h3 {
  margin-bottom: 4px;
}

.admin-class-card p {
  margin: 0;
  color: var(--muted);
}

.admin-card-actions button {
  min-height: 36px;
  padding: 6px 10px;
  color: var(--green-dark);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.admin-card-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 10px;
  color: var(--green-dark);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.admin-course-section {
  margin-top: clamp(46px, 7vw, 86px);
  padding-top: clamp(46px, 7vw, 86px);
  border-top: 1px solid var(--line);
}

.form-note.is-error {
  color: #a33b2e;
}

@media (max-width: 1120px) {
  .audience-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .course-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .schedule-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-dashboard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .site-header {
    min-height: 68px;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .detail-header .nav-toggle {
    display: none;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .nav-cta {
    margin-top: 6px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 86px;
  }

  .hero-panel {
    max-width: 480px;
    margin-top: 40px;
  }

  .philosophy,
  .mentor-card,
  .ethics-section,
  .contact-section,
  .course-detail-hero,
  .course-detail-layout,
  .article-detail-layout,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .path-line,
  .faq-list,
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .schedule-head {
    align-items: stretch;
    flex-direction: column;
  }

  .mentor-photo {
    width: min(260px, 100%);
  }

  .mentor-section-grid {
    grid-template-columns: 1fr;
  }

  .course-detail-sidebar {
    position: static;
  }

  .article-side {
    position: static;
    grid-template-columns: 1fr 1fr;
  }

  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: static;
    height: auto;
  }

  .admin-menu {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-topbar,
  .admin-panel-head {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  html {
    scroll-padding-top: 126px;
  }

  .site-header {
    gap: 12px;
    padding-right: 18px;
    padding-left: 18px;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  body {
    line-height: 1.55;
    padding-bottom: 0;
  }

  body.has-mobile-sticky {
    padding-bottom: 76px;
  }

  .hero {
    gap: 18px;
    padding: 34px 18px 30px;
    justify-items: center;
    text-align: center;
  }

  h1 {
    margin: 0 auto 12px;
    max-width: 10em;
    font-size: 36px;
    line-height: 1.08;
  }

  h2 {
    margin-bottom: 10px;
    font-size: 25px;
    line-height: 1.22;
  }

  h3 {
    font-size: 18px;
  }

  .hero-subtitle {
    margin: 0 auto 18px;
    max-width: 22em;
    font-size: 15px;
  }

  .hero-content,
  .hero-actions,
  .hero-panel,
  .course-detail-copy,
  .course-detail-actions,
  .course-info-panel,
  .session-card {
    max-width: 340px;
  }

  .hero-actions,
  .button,
  .course-detail-actions {
    width: 100%;
  }

  .hero-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    max-width: none;
  }

  .hero-actions .button {
    width: auto;
    min-width: 160px;
    min-height: 42px;
    padding: 8px 10px;
    font-size: 15px;
  }

  .hero-panel {
    width: min(100%, 352px);
    max-width: 352px;
    gap: 0;
    padding: 0;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(28, 51, 38, 0.1);
  }

  .hero-panel div {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
  }

  .hero-panel span {
    font-size: 12px;
  }

  .hero-panel strong {
    margin-top: 0;
    font-size: 17px;
    text-align: right;
    overflow-wrap: anywhere;
  }

  .section,
  .contact-section {
    padding: 32px 18px;
  }

  .contact-section {
    justify-items: center;
    text-align: center;
  }

  .contact-copy {
    width: min(100%, 352px);
    text-align: center;
  }

  .contact-copy p:not(.eyebrow) {
    margin-right: auto;
    margin-left: auto;
  }

  .admin-contact-card {
    grid-template-columns: 1fr;
    justify-items: center;
    width: min(100%, 352px);
    padding: 20px;
    text-align: center;
  }

  .admin-contact-card p {
    max-width: 260px;
  }

  .admin-contact-card img {
    width: 138px;
    height: 138px;
  }

  .article-index-hero {
    padding: 34px 18px 22px;
  }

  .article-index-hero h1 {
    margin-bottom: 12px;
    font-size: 34px;
  }

  .article-index-hero > p:not(.eyebrow) {
    font-size: 15px;
  }

  .article-index-meta {
    margin-top: 18px;
  }

  .article-index-section {
    padding: 0 18px 44px;
  }

  .article-card,
  .article-card.is-featured {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px 0;
  }

  .article-card h3,
  .article-card.is-featured h3 {
    font-size: 24px;
  }

  .article-card p {
    font-size: 15px;
  }

  .article-read-link {
    margin-top: 0;
  }

  .schedule-section {
    padding-top: 34px;
  }

  .course-detail-hero {
    gap: 18px;
    padding: 28px 16px 20px;
    max-width: 100%;
    overflow-x: hidden;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(240, 250, 242, 0.88)),
      url("assets/hero-calm.png") center top / cover no-repeat;
  }

  .course-detail-copy,
  .course-detail-actions,
  .course-info-panel,
  .session-card {
    max-width: none;
  }

  .course-detail-copy .eyebrow {
    margin-bottom: 8px;
    font-size: 14px;
  }

  .course-detail-copy h1 {
    margin-bottom: 12px;
    font-size: 35px;
    line-height: 1.08;
  }

  .course-detail-copy .hero-subtitle {
    margin-bottom: 18px;
    color: #34453c;
    font-size: 15px;
  }

  .course-detail-actions {
    display: none;
  }

  .course-info-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    padding: 0;
    overflow: hidden;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 10px 28px rgba(28, 51, 38, 0.1);
  }

  .course-info-panel div {
    min-width: 0;
    padding: 12px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .course-info-panel div:nth-child(2) {
    border-right: 0;
  }

  .course-info-panel div:last-child {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 0;
  }

  .course-info-panel span {
    font-size: 12px;
  }

  .course-info-panel strong {
    margin-top: 3px;
    font-size: 16px;
    line-height: 1.25;
    overflow-wrap: anywhere;
  }

  .course-info-panel div:last-child strong {
    font-size: 15px;
  }

  .mobile-course-bar {
    position: sticky;
    top: 68px;
    left: 0;
    z-index: 7;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    width: 100vw;
    max-width: 100vw;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
  }

  .mobile-course-bar a {
    display: grid;
    place-items: center;
    min-width: 0;
    min-height: 38px;
    color: var(--green-dark);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
  }

  .mobile-course-bar a:first-child {
    color: #fff;
    background: var(--green);
    border-color: var(--green);
  }

  .session-section,
  .course-detail-layout {
    padding: 30px 16px;
    max-width: 100%;
    overflow-x: hidden;
  }

  .section-head {
    margin-bottom: 18px;
  }

  .eyebrow {
    margin-bottom: 8px;
    font-size: 14px;
  }

  .section-head p:last-child {
    margin-bottom: 0;
    font-size: 15px;
  }

  .schedule-head {
    gap: 14px;
  }

  .audience-grid,
  .course-grid,
  .schedule-grid,
  .module-grid,
  .session-facts {
    grid-template-columns: 1fr;
  }

  .schedule-grid,
  .audience-grid,
  .course-grid,
  .path-line,
  .principles,
  .faq-list,
  .ethics-list {
    gap: 10px;
  }

  .schedule-card {
    min-height: auto;
    padding: 18px;
    box-shadow: 0 10px 24px rgba(28, 51, 38, 0.08);
  }

  .schedule-card.is-featured::after {
    top: 14px;
    right: -36px;
    font-size: 12px;
  }

  .schedule-status {
    min-height: 26px;
    margin-bottom: 12px;
    padding: 3px 9px;
    font-size: 12px;
  }

  .schedule-card h3 {
    margin-bottom: 10px;
    font-size: 21px;
  }

  .schedule-meta {
    gap: 7px;
    margin: 10px 0;
  }

  .schedule-meta span {
    min-height: 28px;
    padding: 4px 8px;
    font-size: 13px;
  }

  .schedule-card p {
    margin-bottom: 12px;
    font-size: 14px;
  }

  .schedule-bottom {
    justify-content: flex-start;
    gap: 18px;
    padding-top: 10px;
  }

  .article-detail-page {
    padding: 26px 18px 38px;
  }

  .article-back-link {
    margin-bottom: 18px;
  }

  .article-detail-hero {
    padding-bottom: 22px;
  }

  .article-detail h1 {
    margin-bottom: 14px;
    font-size: 34px;
    line-height: 1.12;
  }

  .article-excerpt {
    font-size: 16px;
    line-height: 1.68;
  }

  .article-meta {
    display: grid;
    gap: 6px;
    margin-top: 16px;
  }

  .article-meta span + span::before {
    display: none;
  }

  .article-detail-layout {
    gap: 24px;
    padding-top: 24px;
  }

  .article-side {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .article-side-panel {
    padding: 14px 0;
  }

  .article-body {
    gap: 16px;
    font-size: 16px;
    line-height: 1.86;
  }

  .article-body h2 {
    font-size: 23px;
  }

  .article-disclaimer,
  .article-related {
    margin-top: 28px;
  }

  .article-related h2 {
    font-size: 24px;
  }

  .schedule-bottom strong {
    font-size: 21px;
  }

  .schedule-bottom a {
    flex: 0 0 auto;
    font-size: 14px;
  }

  .audience-grid article,
  .principles article,
  .path-line article {
    min-height: auto;
    padding: 16px;
  }

  .audience-grid article {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px 12px;
    align-items: start;
  }

  .audience-grid .lucide {
    width: 24px;
    height: 24px;
    margin: 2px 0 0;
  }

  .audience-grid h3 {
    margin: 0;
  }

  .audience-grid p {
    grid-column: 2;
    margin: 0;
    font-size: 14px;
  }

  .philosophy-copy p:not(.eyebrow),
  .mentor-card p {
    font-size: 15px;
  }

  .mentor-card {
    gap: 18px;
  }

  .mentor-content {
    gap: 10px;
  }

  .mentor-intro {
    font-size: 15px;
    line-height: 1.72;
  }

  .mentor-section-grid {
    gap: 10px;
  }

  .mentor-section-grid article {
    padding: 14px;
  }

  .mentor-section-grid h3 {
    font-size: 18px;
  }

  .mentor-section-grid li {
    font-size: 14px;
  }

  .principles article,
  .path-line article {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 4px 10px;
    align-items: start;
  }

  .principles span,
  .path-line span {
    width: 30px;
    height: 30px;
    margin: 0;
    font-size: 13px;
  }

  .principles h3,
  .path-line h3 {
    margin: 0;
  }

  .principles p,
  .path-line p {
    grid-column: 2;
    margin: 0;
    font-size: 14px;
  }

  .course-tabs {
    gap: 8px;
    margin-bottom: 14px;
  }

  .tab {
    min-height: 36px;
    padding: 6px 10px;
    font-size: 14px;
  }

  .course-card {
    min-height: auto;
    padding: 16px;
  }

  .course-top {
    margin-bottom: 12px;
  }

  .course-top strong {
    font-size: 23px;
  }

  .course-card p {
    margin-bottom: 14px;
    font-size: 14px;
  }

  .session-title-row,
  .teacher-block {
    grid-template-columns: 1fr;
  }

  .session-title-row {
    align-items: start;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
  }

  .session-card {
    padding: 16px;
    box-shadow: 0 10px 26px rgba(28, 51, 38, 0.08);
  }

  .session-status {
    margin-bottom: 12px;
  }

  .session-title-row h3 {
    font-size: 24px;
  }

  .session-title-row strong {
    font-size: 24px;
  }

  .session-facts {
    gap: 8px;
    margin-bottom: 14px;
  }

  .session-facts div {
    grid-template-columns: 22px minmax(0, 1fr);
    min-height: auto;
    padding: 12px;
  }

  .session-facts span {
    font-size: 12px;
  }

  .session-facts strong {
    grid-column: 2;
    font-size: 14px;
  }

  .teacher-block {
    gap: 12px;
    padding: 14px;
    margin-bottom: 14px;
  }

  .teacher-avatar {
    width: 58px;
    height: 58px;
  }

  .teacher-avatar .lucide {
    width: 30px;
    height: 30px;
  }

  .teacher-block h4 {
    font-size: 20px;
  }

  .course-detail-main {
    gap: 30px;
  }

  .detail-list {
    gap: 8px;
  }

  .detail-list li {
    padding: 12px 14px 12px 34px;
    font-size: 15px;
  }

  .detail-list li::before {
    top: 19px;
    left: 14px;
    width: 7px;
    height: 7px;
  }

  .module-grid {
    gap: 8px;
  }

  .certificate-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 14px;
  }

  .certificate-intro {
    font-size: 15px;
  }

  .certificate-card div {
    padding: 14px;
  }

  .module-grid article {
    min-height: auto;
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    padding: 14px;
  }

  .module-grid span {
    margin: 0;
    width: 30px;
    height: 30px;
    font-size: 13px;
  }

  .module-grid h3 {
    margin: 0;
    font-size: 16px;
  }

  .sidebar-card {
    padding: 18px;
  }

  .admin-header,
  .admin-class-card,
  .admin-actions,
  .admin-list-head {
    align-items: stretch;
    flex-direction: column;
  }

  .admin-pair {
    grid-template-columns: 1fr;
  }

  .admin-workspace {
    padding: 18px;
  }

  .admin-dashboard-grid,
  .admin-menu {
    grid-template-columns: 1fr;
  }

  .contact-form {
    gap: 12px;
    padding: 18px;
  }

  .has-mobile-sticky .mobile-sticky-cta {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.94);
    border-top: 1px solid var(--line);
    box-shadow: 0 -10px 26px rgba(39, 159, 50, 0.1);
    backdrop-filter: blur(14px);
  }

  .has-mobile-sticky .mobile-sticky-cta a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-width: 0;
    min-height: 44px;
    color: var(--green);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 800;
    white-space: nowrap;
  }

  .has-mobile-sticky .mobile-sticky-cta a:first-child {
    color: #fff;
    background: var(--green);
    border-color: var(--green);
  }

  .admin-contact-card {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 12px;
    padding: 14px;
    text-align: center;
  }

  .admin-contact-card h3,
  .admin-phone {
    font-size: 20px;
  }

  .admin-call-button {
    min-height: 40px;
    margin-bottom: 10px;
    font-size: 14px;
  }

  .admin-contact-card p {
    font-size: 13px;
  }

  .admin-contact-card img {
    width: 128px;
    height: 128px;
    padding: 6px;
  }

  .contact-form input,
  .contact-form select,
  .contact-form textarea {
    min-height: 42px;
  }

  .faq-list summary {
    min-height: 52px;
    padding: 15px 16px;
  }

  .faq-list p {
    padding: 0 16px 16px;
    font-size: 14px;
  }

  .ethics-list div {
    padding: 14px;
  }
}