:root {
  color-scheme: light;
  --bg: #f7f1e7;
  --bg-alt: #eef3ec;
  --panel: rgba(255, 252, 247, 0.9);
  --panel-solid: #fffdf8;
  --ink: #101815;
  --muted: #44514a;
  --line: rgba(16, 24, 21, 0.12);
  --accent: #163c2f;
  --accent-strong: #7a4d22;
  --accent-soft: rgba(22, 60, 47, 0.08);
  --shadow: 0 18px 42px rgba(16, 24, 21, 0.08);
  --shadow-strong: 0 22px 56px rgba(16, 24, 21, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.56) 0%, rgba(255, 255, 255, 0) 24%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-alt) 100%);
  background-attachment: fixed;
  font-size: 18px;
}

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

img {
  display: block;
  width: 100%;
  height: auto;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app {
  min-height: 100vh;
  position: relative;
}

.app::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(16, 24, 21, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 24, 21, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
}

.shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(16, 24, 21, 0.08);
  background: rgba(247, 241, 231, 0.88);
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 24px rgba(16, 24, 21, 0.05);
  transition: transform 220ms ease, opacity 220ms ease;
}

.topbar.is-hidden {
  transform: translateY(-110%);
  opacity: 0;
  pointer-events: none;
}

.topbar-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 14px 0 16px;
}

.brand-block {
  display: grid;
  gap: 4px;
  align-content: center;
}

.brand {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.brand-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.tab-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  justify-self: end;
  padding: 6px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.54);
  box-shadow: 0 10px 30px rgba(16, 24, 21, 0.06);
}

.tab-btn {
  min-width: 168px;
  min-height: 62px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: none;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.tab-btn:hover {
  transform: translateY(-1px);
}

.tab-btn.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #2f6b52);
  border-color: transparent;
}

.panels {
  padding: 32px 0 24px;
}

.panel {
  display: grid;
  gap: 24px;
  padding-bottom: 18px;
}

.panel[hidden] {
  display: none !important;
}

.panel-head {
  display: grid;
  gap: 18px;
}

.panel-hero {
  grid-template-columns: minmax(0, 1.32fr) minmax(280px, 0.68fr);
  align-items: stretch;
}

.panel-hero-copy,
.panel-hero-side {
  padding: 24px 26px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 252, 247, 0.98), rgba(238, 243, 236, 0.94));
  box-shadow: var(--shadow-strong);
}

.panel-hero-copy {
  display: grid;
  gap: 14px;
  align-content: start;
}

.panel-hero-side {
  display: grid;
}

.panel-hero-stack {
  display: grid;
  gap: 12px;
  align-content: start;
}

.panel-hero-stack div {
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
}

.panel-hero-stack span {
  color: var(--accent-strong);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-hero-stack strong {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.4;
}

.panel-kicker,
.section-label {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.panel-title {
  margin: 0;
  font-size: clamp(42px, 4vw, 60px);
  line-height: 1.06;
  letter-spacing: 0;
}

.panel-lead,
.panel-text {
  margin: 0;
  font-size: 19px;
  line-height: 1.9;
  color: var(--muted);
}

.panel-card {
  padding: 26px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  border-radius: 8px;
  background: var(--panel-solid);
  box-shadow: var(--shadow-strong);
}

.panel-head .panel-lead {
  font-size: 19px;
}

.teacher-layout,
.course-layout,
.membership-layout,
.profile-layout {
  display: grid;
  gap: 18px;
}

.teacher-layout {
  grid-template-columns: 1fr;
}

.teacher-hero-card {
  display: grid;
  grid-template-columns: minmax(300px, 420px) minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(255, 252, 247, 0.98), rgba(238, 243, 236, 0.96));
}

.teacher-hero-copy {
  display: grid;
  gap: 20px;
  align-content: start;
}

.teacher-impact-title {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(54px, 6vw, 84px);
  line-height: 1;
  letter-spacing: 0;
}

.teacher-subtitle {
  margin: 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.75;
}

.teacher-secondary-title {
  margin: 0;
  font-size: 28px;
  line-height: 1.24;
}

.teacher-impact-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.teacher-impact-row div {
  padding: 16px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
}

.teacher-impact-row span {
  display: block;
  color: var(--accent-strong);
  font-size: 15px;
}

.teacher-impact-row strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.35;
}

.teacher-main {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(280px, 360px);
  gap: 24px;
  align-items: stretch;
}

.teacher-copy {
  display: grid;
  align-content: start;
  gap: 18px;
}

.teacher-portrait-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.teacher-photo {
  width: 100%;
  max-width: 430px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  object-position: center;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(237, 242, 235, 0.92));
}

.teacher-portrait-large .teacher-photo {
  max-width: 430px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-list span {
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 16px;
}

.tag-list.compact span {
  padding: 9px 12px;
  font-size: 15px;
}

.quote-box {
  padding: 20px 22px;
  border: 1px solid rgba(138, 90, 43, 0.18);
  border-radius: 8px;
  background: rgba(255, 248, 238, 0.96);
  color: var(--accent-strong);
  font-size: 19px;
  line-height: 1.9;
}

.teacher-slogan {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: baseline;
  padding: 20px 24px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-strong);
}

.teacher-slogan.compact {
  margin-top: 2px;
  padding: 18px 20px;
}

.teacher-slogan strong {
  font-size: 26px;
  line-height: 1.25;
  color: var(--accent);
}

.teacher-slogan span {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.7;
}

.course-shop {
  display: grid;
  gap: 18px;
}

.shop-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 20px;
  align-items: stretch;
  background:
    linear-gradient(135deg, rgba(255, 252, 247, 0.98), rgba(238, 243, 236, 0.96));
}

.shop-banner-copy {
  display: grid;
  gap: 12px;
  align-content: center;
  padding-right: 6px;
}

.shop-banner-copy h2,
.featured-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: 36px;
  line-height: 1.2;
}

.shop-banner-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.shop-banner-meta div,
.featured-meta div {
  padding: 16px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.shop-banner-meta span,
.featured-meta span {
  display: block;
  color: var(--accent-strong);
  font-size: 15px;
}

.shop-banner-meta strong,
.featured-meta strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.35;
}

.shop-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
  gap: 14px;
  align-items: end;
}

.shop-search {
  display: grid;
  gap: 8px;
}

.shop-search span {
  color: var(--accent-strong);
  font-size: 15px;
}

.shop-search input {
  min-height: 54px;
  padding: 0 16px;
  border: 1px solid rgba(16, 24, 21, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  outline: none;
  font-size: 18px;
}

.shop-search input:focus {
  border-color: rgba(21, 57, 45, 0.38);
  box-shadow: 0 0 0 3px rgba(21, 57, 45, 0.08);
}

.shop-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.shop-chip {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--muted);
  font-size: 17px;
  font-weight: 700;
}

.shop-chip.is-active,
.shop-chip:hover {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.shop-layout {
  grid-template-columns: 0.62fr 1.38fr;
}

.shop-sidebar {
  display: grid;
  gap: 12px;
  align-self: start;
}

.shop-category {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  align-items: center;
  width: 100%;
  padding: 14px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  text-align: left;
}

.shop-category:hover,
.shop-category.is-active {
  background: rgba(21, 57, 45, 0.08);
  border-color: rgba(21, 57, 45, 0.24);
}

.shop-category > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: rgba(21, 57, 45, 0.08);
  color: var(--accent);
  font-size: 18px;
  font-weight: 700;
}

.shop-category strong {
  display: block;
  font-size: 20px;
  line-height: 1.35;
}

.shop-category small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 16px;
}

.featured-product {
  overflow: hidden;
}

.featured-top {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(240px, 0.92fr);
  gap: 20px;
  align-items: stretch;
}

.featured-copy {
  display: grid;
  gap: 14px;
  align-content: start;
}

.featured-price,
.product-price {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: baseline;
}

.featured-price strong {
  color: var(--accent);
  font-size: 46px;
  line-height: 1;
}

.featured-price span,
.product-price span {
  color: var(--muted);
  font-size: 16px;
}

.featured-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.featured-visual {
  min-height: 320px;
  display: grid;
  align-content: end;
  gap: 10px;
  padding: 26px;
  border-radius: 8px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  background:
    linear-gradient(160deg, rgba(22, 60, 47, 0.12), rgba(244, 237, 225, 0.94)),
    #eef3ed;
}

.featured-visual span {
  color: var(--accent-strong);
  font-size: 16px;
}

.featured-visual strong {
  color: var(--ink);
  font-size: 44px;
  line-height: 1.05;
}

.featured-visual small {
  color: var(--muted);
  font-size: 18px;
}

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

.product-card {
  display: grid;
  gap: 0;
  padding: 0;
  overflow: hidden;
}

.product-cover {
  min-height: 170px;
  display: grid;
  align-content: end;
  gap: 8px;
  padding: 20px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0)),
    var(--tone, #eef3ed);
}

.product-cover span {
  color: var(--accent-strong);
  font-size: 15px;
}

.product-cover strong {
  color: var(--ink);
  font-size: 28px;
  line-height: 1.2;
}

.product-cover small {
  color: var(--muted);
  font-size: 16px;
}

.product-body {
  display: grid;
  gap: 12px;
  padding: 20px;
}

.product-body h3 {
  margin: 0;
  font-size: 23px;
  line-height: 1.35;
}

.product-body p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-meta span {
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(21, 57, 45, 0.08);
  color: var(--accent);
  font-size: 14px;
}

.product-price strong {
  color: var(--accent);
  font-size: 32px;
  line-height: 1;
}

.course-layout {
  grid-template-columns: 0.72fr 1.28fr;
  align-items: start;
}

.course-layout.shop-layout {
  grid-template-columns: 0.62fr 1.38fr;
}

.course-menu {
  display: grid;
  gap: 12px;
}

.course-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  align-items: center;
  width: 100%;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  text-align: left;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.course-item:hover,
.course-item.is-active {
  transform: translateY(-1px);
  background: rgba(31, 76, 59, 0.08);
  border-color: rgba(31, 76, 59, 0.22);
}

.course-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: rgba(31, 76, 59, 0.08);
  color: var(--accent);
  font-weight: 700;
  font-size: 18px;
}

.course-item strong {
  display: block;
  font-size: 20px;
  line-height: 1.35;
}

.course-item small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 8px;
  border: 1px solid rgba(16, 24, 21, 0.1);
  font-size: 18px;
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

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

.button.primary {
  background: linear-gradient(135deg, var(--accent), #2f6b52);
  color: #fff;
  border-color: transparent;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
}

.button.tertiary {
  background: rgba(138, 90, 43, 0.08);
  color: var(--accent-strong);
}

.course-main {
  display: grid;
  gap: 18px;
}

.course-overview {
  display: grid;
  gap: 16px;
}

.course-overview h2,
.membership-summary h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.35;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.stat-grid div,
.support-grid div {
  padding: 14px 16px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.stat-grid span,
.support-grid span {
  display: block;
  font-size: 15px;
  color: var(--accent-strong);
}

.stat-grid strong,
.support-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 19px;
  line-height: 1.4;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.intro-grid > div {
  display: grid;
  gap: 10px;
  padding: 22px;
  border: 1px solid rgba(16, 24, 21, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
}

.intro-grid h2 {
  margin: 0;
  font-size: 26px;
  line-height: 1.3;
}

.course-card {
  display: grid;
  gap: 12px;
  padding: 0;
  overflow: hidden;
}

.course-cover {
  min-height: 156px;
  padding: 20px;
  display: grid;
  gap: 8px;
  align-content: end;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0)),
    var(--tone, #dfe8e0);
  color: var(--ink);
}

.course-cover span {
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.course-cover strong {
  font-size: 27px;
  line-height: 1.25;
}

.course-cover small {
  color: rgba(15, 23, 19, 0.86);
  font-size: 16px;
}

.course-card h3,
.course-card p {
  margin: 0;
  padding: 0 20px;
}

.course-card h3 {
  font-size: 21px;
  line-height: 1.4;
}

.course-card p {
  padding-bottom: 20px;
  line-height: 1.85;
  color: var(--muted);
  font-size: 18px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.status-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.status-list span {
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(31, 76, 59, 0.08);
  color: var(--accent);
  font-size: 15px;
}

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

.tool-card {
  display: grid;
  gap: 18px;
  min-height: 100%;
}

.tool-card-top {
  display: grid;
  gap: 10px;
}

.tool-card-top h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
}

.tool-card-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid rgba(16, 24, 21, 0.08);
}

.tool-card-foot span {
  color: var(--muted);
  font-size: 16px;
}

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

.support-card {
  grid-column: 1 / -1;
}

.form-card,
.support-card {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 15px;
  color: var(--accent-strong);
}

.field input,
.field textarea {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid rgba(16, 24, 21, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  outline: none;
  font-size: 19px;
}

.field input:focus,
.field textarea:focus {
  border-color: rgba(31, 76, 59, 0.38);
  box-shadow: 0 0 0 3px rgba(31, 76, 59, 0.08);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0 32px;
  color: var(--muted);
  border-top: 1px solid rgba(16, 24, 21, 0.08);
  font-size: 16px;
}

@media (max-width: 920px) {
  .topbar-inner {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .brand-block {
    justify-items: center;
    text-align: center;
  }

  .tab-nav {
    justify-self: center;
  }

  .teacher-layout,
  .teacher-hero-card,
  .course-layout,
  .shop-banner,
  .shop-toolbar,
  .featured-top,
  .panel-hero,
  .membership-layout,
  .profile-layout {
    grid-template-columns: 1fr;
  }

  .teacher-main,
  .course-layout.shop-layout {
    grid-template-columns: 1fr;
  }

  .course-grid,
  .course-grid.product-grid,
  .intro-grid,
  .stat-grid,
  .support-grid,
  .teacher-impact-row,
  .featured-meta,
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .shop-tags {
    justify-content: flex-start;
  }

  .tab-btn {
    min-width: 160px;
    font-size: 22px;
    min-height: 60px;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 20px, 1180px);
  }

  .panel-title {
    font-size: 38px;
  }

  .intro-grid h2 {
    font-size: 23px;
  }

  .teacher-impact-title {
    font-size: 46px;
  }

  .teacher-secondary-title {
    font-size: 24px;
  }

  .teacher-subtitle {
    font-size: 20px;
  }

  .panel-lead,
  .panel-text,
  .course-card p {
    font-size: 18px;
  }

  .panel-hero-copy,
  .panel-hero-side {
    padding: 20px;
  }

  .teacher-hero-card,
  .shop-banner,
  .featured-product {
    padding: 20px;
  }

  .topbar-inner {
    padding: 12px 0 14px;
  }

  .brand {
    font-size: 16px;
  }

  .brand-note {
    font-size: 12px;
  }

  .teacher-photo {
    max-width: 390px;
  }

  .tab-btn {
    width: calc(50% - 6px);
    min-width: 0;
  }

  .button {
    width: 100%;
  }

  .tool-card-foot {
    align-items: stretch;
  }
}