:root {
  --bg: #f7f8fb;
  --card: #ffffff;
  --text: #101828;
  --muted: #667085;
  --border: rgba(16, 24, 40, 0.12);
  --primary: #3c7cfc;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 14px;
  --max: 1360px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Noto Sans", "PingFang SC", "Microsoft YaHei",
    sans-serif;
  color: var(--text);
  background: var(--bg);
}

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

.container {
  width: min(var(--max), calc(100% - 24px));
  margin: 0 auto;
}

.top-section{
  background-color: #999;
}
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 248, 251, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(16, 24, 40, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  height: 75px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 220px;
}

.brand img {
  height: 70px;
  width: auto;
  display: block;
}

.brand .tag {
  font-size: 12px;
  color: var(--muted);
  padding: 6px 10px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 1;
  justify-content: center;
}

.nav a {
  font-size: 16px;
  color: rgba(16, 24, 40, 0.78);
  padding: 8px 10px;
  border-radius: 10px;
}

.nav a:hover {
  background: rgba(60, 124, 252, 0.1);
  color: var(--primary);
}

.actions {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 220px;
  justify-content: flex-end;
}

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(16, 24, 40, 0.12);
  background: #ffffff;
  color: var(--text);
  height: 38px;
  padding: 0 14px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn.primary {
  border-color: rgba(60, 124, 252, 0.35);
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(60, 124, 252, 0.18);
}

.btn.outline {
  border-color: rgba(60, 124, 252, 0.45);
  color: var(--primary);
  background: rgba(255, 255, 255, 0.92);
}

.btn.outline:hover {
  border-color: rgba(60, 124, 252, 0.65);
  box-shadow: 0 10px 22px rgba(60, 124, 252, 0.12);
}

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

.carousel {
  padding: 0;
}

.carousel-shell {
  position: relative;
  width: 100%;
  --carousel-h: 510px;
  border-radius: 0;
  overflow: hidden;
  border: 0;
  background: transparent;
  box-shadow: none;
  touch-action: pan-y;
  cursor: grab;
  user-select: none;
}

.carousel-shell:active {
  cursor: grabbing;
}

.carousel-input {
  position: absolute;
  inset: 0 auto auto 0;
  opacity: 0;
  pointer-events: none;
}

.carousel-track {
  display: flex;
  width: 500%;
  transform: translateX(-20%);
  transition: transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
  user-select: none;
}

.carousel-slide {
  position: relative;
  flex: 0 0 20%;
  min-height: var(--carousel-h);
  background: #ffffff;
}

.carousel-slide img {
  display: block;
  width: 100%;
  height: var(--carousel-h);
  object-fit: cover;
  user-select: none;
  pointer-events: none;
  -webkit-user-drag: none;
}

.carousel-fixed {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.carousel-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  height: var(--carousel-h);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 0 26px;
}

.carousel .btn {
  height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 15px;
}

/* 按钮位置 */
.carousel-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  pointer-events: auto;
  transform: translate(200px, -50px);
}

.carousel-dots {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  pointer-events: auto;
}

.carousel-dot {
  height: 8px;
  width: 8px;
  border-radius: 999px;
  background: rgba(16, 24, 40, 0.25);
  cursor: pointer;
  transition: width 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

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

#carousel-1:checked ~ .carousel-fixed label[for="carousel-1"],
#carousel-2:checked ~ .carousel-fixed label[for="carousel-2"],
#carousel-3:checked ~ .carousel-fixed label[for="carousel-3"] {
  width: 26px;
  background: var(--primary);
}

.biz {
  width: 100%;
  background: #426fe0;
  color: #ffffff;
  padding: 64px 0 80px;
}

.biz-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.biz-head {
  text-align: center;
}

.biz-title {
  margin: 0;
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -0.01em;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 18px;
}

.biz-title::before,
.biz-title::after {
  content: "";
  width: 120px;
  height: 2px;
  background: rgba(255, 255, 255, 0.45);
  border-radius: 999px;
}

.biz-subtitle {
  margin: 16px 0 0;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
}

.biz-grid {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 44px 34px;
}

.biz-card {
  text-align: center;
  padding: 10px 10px 0;
}

.biz-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 18px;
  background-image: url("/lib/template/spawn2/static/picture/iconCount2.png");
  background-repeat: no-repeat;
  background-size: 900% 500%;
  border-radius: 16px;
  filter: drop-shadow(0 16px 24px rgba(15, 23, 42, 0.25));
}

.sprite-1 {
  background-position: 14.7% 81%;
}

.sprite-2 {
  background-position: 33% 94%;
}

.sprite-3 {
  background-position: 50.2% 69%;
}

.sprite-4 {
  background-position: 85.3% 81.5%;
}

.sprite-5 {
  background-position: 50.2% 94%;
}

.sprite-6 {
  background-position: 67.5% 93.9%;
}
.sprite-7 ,.sprite-8{
  width: 600px;
  height: 300px;
  background-size: 460% 400%;
  border-radius:none;
  filter:none;
  margin-top: -30px;
}
.sprite-7 {
  background-position: 10% 3%;
}
.sprite-8 {
  background-position: 50% 4%;
}


.biz-name {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.biz-desc {
  margin: 14px auto 0;
  max-width: 34ch;
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.86);
}

.biz-cta {
  margin-top: 60px;
  display: flex;
  justify-content: center;
}

.biz-cta .btn.primary {
  background: #ff7a00;
  border-color: #ff7a00;
  box-shadow: 0 18px 34px rgba(15, 23, 42, 0.28);
}

.biz-cta .btn.primary:hover {
  background: #ff6a00;
  border-color: #ff6a00;
}

.system {
  width: 100%;
  background: #ffffff;
  color: var(--text);
  padding: 72px 0 80px;
}

.system-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}
.top-back{
  background-image: url("/lib/template/spawn2/static/picture/topBackground.png") !important;
}

.system-head {
  text-align: center;
}

.system-title {
  margin: 0;
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -0.01em;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 18px;
}

.system-title::before,
.system-title::after {
  content: "";
  width: 130px;
  height: 2px;
  background: rgba(255, 122, 0, 0.45);
  border-radius: 999px;
}

.system-subtitle {
  margin: 16px 0 0;
  font-size: 16px;
  color: rgba(16, 24, 40, 0.72);
}

.system-rows {
  margin-top: 56px;
  display: grid;
  gap: 64px;
}

.system-row {
  display: flex;
  align-items: center;
  gap: 54px;
}

.system-rows .system-row:first-child {
  gap: 18px;
  width: 80%;
  margin-left: 190px;
}
.system-rows .system-row:last-child {
  margin-left: 120px;
}

.system-row--reverse {
  flex-direction: row-reverse;
}

.system-text {
  flex: 1;
  min-width: 0;
}

.system-row-title {
  margin: 0;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.system-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  color: rgba(16, 24, 40, 0.72);
  line-height: 1.9;
  font-size: 14px;
}

.system-list li {
  position: relative;
  padding-left: 18px;
}

.system-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 2px solid rgba(255, 122, 0, 0.9);
  background: rgba(255, 122, 0, 0.1);
  transform: translateY(-50%);
}

.system-actions {
  margin-top: 22px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.system .btn.primary {
  background: #ff7a00;
  border-color: #ff7a00;
}

.system .btn.primary:hover {
  background: #ff6a00;
  border-color: #ff6a00;
}

.system .btn.outline {
  border-color: rgba(255, 122, 0, 0.9);
  color: rgba(255, 122, 0, 0.95);
  background: rgba(255, 122, 0, 0.08);
}

.system .btn.outline:hover {
  background: rgba(255, 122, 0, 0.14);
}

.system-media {
  flex: 0 1 520px;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.system-row:not(.system-row--reverse) .system-media {
  justify-content: flex-start;
}

.system-row--reverse .system-media {
  justify-content: flex-end;
}


.hero {
  padding: 28px 0 10px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  align-items: stretch;
}

.hero-card {
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.72));
  border-radius: 22px;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.hero-main {
  padding: 26px 24px 24px;
}

.hero-title {
  font-size: 28px;
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  margin: 10px 0 0;
  color: rgba(16, 24, 40, 0.68);
  font-size: 14px;
  line-height: 1.7;
  max-width: 58ch;
}

.search {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.search input {
  flex: 1;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(16, 24, 40, 0.12);
  padding: 0 14px;
  font-size: 14px;
  outline: none;
  background: rgba(255, 255, 255, 0.9);
}

.search input:focus {
  border-color: rgba(60, 124, 252, 0.45);
  box-shadow: 0 0 0 4px rgba(60, 124, 252, 0.12);
}

.hero-metrics {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.metric {
  padding: 12px 12px;
  border-radius: 16px;
  background: rgba(60, 124, 252, 0.07);
  border: 1px solid rgba(60, 124, 252, 0.12);
}

.metric .value {
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.metric .label {
  margin-top: 4px;
  font-size: 12px;
  color: rgba(16, 24, 40, 0.64);
}

.hero-side {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.side-card {
  flex: 1;
  border-radius: 18px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.78);
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.side-card:hover {
  transform: translateY(-1px);
  border-color: rgba(60, 124, 252, 0.2);
  box-shadow: 0 14px 26px rgba(15, 23, 42, 0.08);
}

.side-card img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.9);
}

.side-card .name {
  font-weight: 800;
  letter-spacing: -0.01em;
}

.side-card .desc {
  margin-top: 4px;
  font-size: 12px;
  color: rgba(16, 24, 40, 0.62);
  line-height: 1.5;
}

.ai-exam-section {
  padding: 18px 0 24px;
}

.ai-exam-panel {
  background: #ffffff;
  border-radius: 24px;
  padding: 36px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(16, 24, 40, 0.08);
  overflow: hidden;
}

.ai-exam-media img {
  width: 100%;
  height: auto;
  display: block;
}

.ai-exam-text {
  display: flex;
  flex-direction: column;
}

.ai-exam-title {
  font-size: 34px;
  line-height: 1.25;
  font-weight: 900;
  color: #1f2937;
  letter-spacing: -0.01em;
  margin: 0;
}

.ai-exam-desc {
  margin: 16px 0 0;
  font-size: 14px;
  color: rgba(100, 116, 139, 0.95);
  line-height: 1.9;
  max-width: 520px;
}

.ai-exam-actions {
  margin-top: 22px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.ai-exam-btn {
  border: 1px solid transparent;
  cursor: pointer;
  border-radius: 999px;
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.ai-exam-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(15, 23, 42, 0.12);
}

.ai-exam-btn--ghost {
  background: rgba(60, 124, 252, 0.12);
  color: var(--primary);
  border-color: rgba(60, 124, 252, 0.28);
  box-shadow: none;
}

.ai-exam-btn--ghost:hover {
  background: rgba(60, 124, 252, 0.18);
}

.ai-exam-btn--primary {
  background: var(--primary);
  color: #ffffff;
}

.ai-exam-btn--primary:hover {
  background: #2f6df2;
}

.panel {
  padding: 18px 0 24px;
}

.panel-wrap {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 16px;
  align-items: start;
}

.panel-card {
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.86);
  border-radius: 18px;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
}

.live-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid rgba(16, 24, 40, 0.06);
}

.live-tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.live-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  color: rgba(16, 24, 40, 0.72);
  font-weight: 800;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

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

.live-tab.active {
  border-color: rgba(60, 124, 252, 0.28);
  background: rgba(60, 124, 252, 0.12);
  color: rgba(60, 124, 252, 1);
}

.live-tab-icon {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: rgba(60, 124, 252, 0.18);
  display: grid;
  place-items: center;
}

.live-tab-icon img {
  width: 14px;
  height: 14px;
  object-fit: contain;
}

.live-filter {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 140px;
  height: 34px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.8);
  color: rgba(16, 24, 40, 0.72);
  font-size: 13px;
  font-weight: 800;
  gap: 10px;
}

.live-filter::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid rgba(16, 24, 40, 0.38);
}

.live-dates {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px 0;
  color: rgba(16, 24, 40, 0.66);
  font-size: 13px;
  flex-wrap: wrap;
}

.date-pill {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: rgba(16, 24, 40, 0.6);
  font-weight: 800;
}

.date-pill.active {
  background: rgba(255, 117, 61, 0.12);
  color: rgba(255, 117, 61, 1);
  border-color: rgba(255, 117, 61, 0.18);
}

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

.live-card {
  border-radius: 16px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.04);
  padding: 14px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.live-card:hover {
  transform: translateY(-2px);
  border-color: rgba(60, 124, 252, 0.2);
  box-shadow: 0 14px 26px rgba(15, 23, 42, 0.08);
}

.live-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.live-title .name {
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.35;
  font-size: 14px;
  min-width: 0;
}

.live-badges {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.pill {
  height: 22px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid rgba(16, 24, 40, 0.1);
  font-size: 12px;
  font-weight: 800;
  color: rgba(16, 24, 40, 0.62);
  background: rgba(255, 255, 255, 0.8);
  white-space: nowrap;
}

.pill.live {
  border-color: rgba(255, 117, 61, 0.22);
  background: rgba(255, 117, 61, 0.12);
  color: rgba(255, 117, 61, 1);
}

.pill.type {
  border-color: rgba(60, 124, 252, 0.22);
  background: rgba(60, 124, 252, 0.1);
  color: rgba(60, 124, 252, 1);
}

.live-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: rgba(16, 24, 40, 0.6);
  font-size: 12px;
}

.live-teacher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.live-teacher img {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  object-fit: cover;
}

.panel-aside {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.aside-banner {
  border-radius: 18px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: linear-gradient(135deg, rgba(60, 124, 252, 0.98), rgba(60, 124, 252, 0.7));
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 16px;
  color: #ffffff;
  position: relative;
  min-height: 132px;
}

.aside-banner img {
  position: absolute;
  right: -10px;
  bottom: -10px;
  width: 170px;
  height: auto;
  opacity: 0.92;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.16));
}

.aside-banner .t {
  font-weight: 1000;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.aside-banner .d {
  margin-top: 6px;
  font-size: 12px;
  opacity: 0.9;
  line-height: 1.6;
  max-width: 24ch;
}

.banner-btn {
  margin-top: 14px;
  height: 34px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  font-weight: 900;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  width: max-content;
}

.aside-tools {
  border-radius: 18px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
  padding: 10px;
}

.aside-tool {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 10px;
  border-radius: 14px;
}

.aside-tool:hover {
  background: rgba(60, 124, 252, 0.08);
}

.aside-tool img {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(60, 124, 252, 0.1);
  padding: 6px;
  object-fit: contain;
}

.aside-tool .title {
  font-weight: 900;
  letter-spacing: -0.01em;
  font-size: 14px;
}

.aside-tool .desc {
  margin-top: 4px;
  font-size: 12px;
  color: rgba(16, 24, 40, 0.6);
  line-height: 1.4;
}

.teacher-panel {
  padding: 10px 0 18px;
}

.teacher-wrap {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 16px;
  align-items: stretch;
}

.teacher-main {
  border-radius: 18px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
  padding: 18px 18px 14px;
}

.teacher-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.teacher-head img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.teacher-head .h {
  font-weight: 1000;
  letter-spacing: -0.02em;
  font-size: 22px;
}

.teacher-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 34px;
  padding: 8px 0 0;
}

.teacher-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(16, 24, 40, 0.78);
  font-size: 14px;
  line-height: 1.6;
  min-width: 0;
}

.teacher-links a strong {
  font-weight: 900;
}

.teacher-links a::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: rgba(16, 24, 40, 0.28);
  flex-shrink: 0;
}

.teacher-links a:hover {
  color: rgba(60, 124, 252, 1);
}

.teacher-aside {
  border-radius: 18px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: linear-gradient(135deg, rgba(255, 151, 50, 0.98), rgba(255, 92, 92, 0.72));
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  padding: 16px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 204px;
}

.teacher-aside img {
  position: absolute;
  right: -12px;
  bottom: -16px;
  width: 220px;
  height: auto;
  opacity: 0.92;
}

.teacher-aside .h {
  font-weight: 1000;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.teacher-aside .d {
  margin-top: 6px;
  font-size: 12px;
  opacity: 0.9;
  line-height: 1.6;
  max-width: 26ch;
}

.recommend-panel {
  padding: 18px 0 26px;
}

.recommend-card {
  border-radius: 22px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: radial-gradient(1200px 420px at 18% 0%, rgba(60, 124, 252, 0.18), rgba(255, 255, 255, 0.7)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.74));
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.recommend-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 18px 10px;
}

.recommend-head .h {
  font-weight: 1000;
  letter-spacing: -0.02em;
  font-size: 22px;
}

.recommend-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(60, 124, 252, 1);
  font-weight: 900;
  font-size: 13px;
}

.recommend-more::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 6px solid rgba(60, 124, 252, 1);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}

.recommend-grid {
  padding: 6px 18px 18px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.rc {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(16, 24, 40, 0.08);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.06);
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  min-height: 170px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.rc:hover {
  transform: translateY(-2px);
  border-color: rgba(60, 124, 252, 0.2);
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.08);
}

.rc-top {
  padding: 16px 14px 14px;
  position: relative;
  min-height: 92px;
  color: #ffffff;
}

.rc-top .t {
  font-weight: 1000;
  font-size: 16px;
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: 14ch;
}

.rc-top .p {
  margin-top: 6px;
  opacity: 0.92;
  font-size: 12px;
  font-weight: 800;
}

.rc-top img {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 58px;
  height: 58px;
  object-fit: contain;
  opacity: 0.92;
}

.rc-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rc-name {
  font-weight: 900;
  font-size: 13px;
  letter-spacing: -0.01em;
  color: rgba(16, 24, 40, 0.84);
  line-height: 1.35;
}

.rc-sub {
  font-size: 12px;
  color: rgba(16, 24, 40, 0.58);
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.rc-people {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.rc-people img {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid rgba(16, 24, 40, 0.1);
}

.rc-people span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shop-panel {
  padding: 10px 0 22px;
}

.shop-card {
  border-radius: 22px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.shop-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid rgba(16, 24, 40, 0.06);
  background: rgba(255, 255, 255, 0.7);
}

.shop-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.shop-title .h {
  font-weight: 1000;
  letter-spacing: -0.02em;
  font-size: 22px;
}

.shop-tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.shop-tab {
  height: 32px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.76);
  color: rgba(16, 24, 40, 0.72);
  font-weight: 900;
  font-size: 13px;
}

.shop-tab.active {
  border-color: rgba(60, 124, 252, 0.28);
  background: rgba(60, 124, 252, 0.12);
  color: rgba(60, 124, 252, 1);
}

.shop-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(60, 124, 252, 1);
  font-weight: 900;
  font-size: 13px;
  white-space: nowrap;
}

.shop-more::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 6px solid rgba(60, 124, 252, 1);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}

.shop-body {
  position: relative;
  padding: 14px 18px 18px;
}

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

.shop-col {
  border-radius: 18px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.05);
  overflow: hidden;
}

.shop-org {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 14px 12px;
  border-bottom: 1px solid rgba(16, 24, 40, 0.06);
}

.shop-logo {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(16, 24, 40, 0.1);
  background: rgba(60, 124, 252, 0.08);
  display: grid;
  place-items: center;
  overflow: hidden;
  flex-shrink: 0;
}

.shop-logo img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.shop-org .name {
  font-weight: 1000;
  letter-spacing: -0.02em;
}

.shop-org .meta {
  margin-top: 4px;
  color: rgba(16, 24, 40, 0.6);
  font-size: 12px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.shop-list {
  padding: 8px 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.shop-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 10px;
  padding: 10px;
  border-radius: 16px;
  border: 1px solid rgba(16, 24, 40, 0.06);
  background: rgba(247, 248, 251, 0.7);
}

.shop-item:hover {
  border-color: rgba(60, 124, 252, 0.18);
  background: rgba(60, 124, 252, 0.06);
}

.shop-item-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.9);
  display: grid;
  place-items: center;
}

.shop-item-icon img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.shop-item .t {
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.35;
  font-size: 13px;
}

.shop-item .sub {
  margin-top: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: rgba(16, 24, 40, 0.58);
  font-size: 12px;
}

.shop-pill {
  height: 20px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid rgba(155, 81, 224, 0.22);
  background: rgba(155, 81, 224, 0.12);
  color: rgba(155, 81, 224, 1);
  font-weight: 900;
  font-size: 12px;
  white-space: nowrap;
}

.shop-arrows {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  padding: 0 6px;
}

.shop-arrow {
  pointer-events: none;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(16, 24, 40, 0.1);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
  display: grid;
  place-items: center;
  opacity: 0.85;
}

.shop-arrow img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.shop-arrow.right img {
  transform: rotate(180deg);
}

.trust-panel {
  padding: 14px 0 26px;
}

.trust-card {
  border-radius: 22px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.trust-top {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(16, 24, 40, 0.06);
}

.trust-top .brand {
  min-width: 0;
}

.trust-top .slogan {
  color: rgba(16, 24, 40, 0.72);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.trust-counter {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(60, 124, 252, 0.1);
  border: 1px solid rgba(60, 124, 252, 0.18);
  border-radius: 14px;
  padding: 10px 12px;
  color: rgba(16, 24, 40, 0.72);
  font-size: 13px;
  font-weight: 900;
  flex-wrap: wrap;
}

.digits {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.digit {
  width: 26px;
  height: 30px;
  border-radius: 10px;
  background: rgba(60, 124, 252, 1);
  color: #ffffff;
  display: grid;
  place-items: center;
  font-weight: 1000;
  letter-spacing: -0.02em;
}

.trust-body {
  padding: 16px 18px 18px;
}

.trust-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 16px;
  align-items: stretch;
}

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

.quote {
  border-radius: 18px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(247, 248, 251, 0.75);
  padding: 14px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 112px;
}

.quote .q {
  color: rgba(16, 24, 40, 0.72);
  font-size: 13px;
  line-height: 1.65;
}

.quote .q::before {
  content: "“";
  font-size: 20px;
  margin-right: 6px;
  color: rgba(16, 24, 40, 0.35);
}

.quote .q::after {
  content: "”";
  font-size: 20px;
  margin-left: 6px;
  color: rgba(16, 24, 40, 0.35);
}

.quote .who {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: rgba(16, 24, 40, 0.58);
  font-size: 12px;
}

.quote .who .person {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.quote .who img {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid rgba(16, 24, 40, 0.1);
}

.media {
  border-radius: 20px;
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: #0b1220;
  overflow: hidden;
  position: relative;
  min-height: 248px;
}

.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
  display: block;
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 260px at 70% 40%, rgba(60, 124, 252, 0.28), rgba(0, 0, 0, 0.35));
}

.play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 1;
}

.play-btn {
  width: 66px;
  height: 66px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.18);
  display: grid;
  place-items: center;
}

.play-btn::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 16px solid rgba(255, 255, 255, 0.95);
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  margin-left: 4px;
}

.media-label {
  position: absolute;
  right: 14px;
  top: 14px;
  z-index: 2;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #ffffff;
  font-size: 12px;
  font-weight: 900;
}

.footer {
  margin-top: 20px;
  padding: 15px 0 20px;
  border-top: 1px solid rgba(16, 24, 40, 0.08);
  background: rgba(255, 255, 255, 0.7);
}
.center-text{
  margin: 0 auto;
  text-align: center;
  
}
.center-text:last-child{
  text-decoration: underline;
}


.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  align-items: start;
}

.footer .muted {
  margin: 8px 0 0;
  color: rgba(16, 24, 40, 0.62);
  font-size: 13px;
  line-height: 1.7;
}

.qrcode {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: flex-end;
}

.qrcode img {
  width: 96px;
  height: 96px;
  border-radius: 18px;
  border: 1px solid rgba(16, 24, 40, 0.1);
  background: #ffffff;
  padding: 10px;
}

@media (max-width: 980px) {
  .carousel-shell {
    --carousel-h: 360px;
  }
  .carousel-inner {
    width: min(var(--max), calc(100% - 24px));
    padding-bottom: 20px;
  }
  .carousel .btn {
    height: 44px;
    padding: 0 22px;
    font-size: 14px;
  }

  .biz {
    padding: 52px 0 64px;
  }

  .biz-inner {
    width: min(var(--max), calc(100% - 24px));
  }

  .biz-title {
    font-size: 30px;
    gap: 14px;
  }

  .biz-title::before,
  .biz-title::after {
    width: 76px;
  }

  .biz-grid {
    margin-top: 44px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 22px;
  }

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

  .system-inner {
    width: min(var(--max), calc(100% - 24px));
  }

  .system-title {
    font-size: 30px;
    gap: 14px;
  }

  .system-title::before,
  .system-title::after {
    width: 76px;
  }

  .system-rows {
    margin-top: 44px;
    gap: 46px;
  }

  .system-row,
  .system-row--reverse {
    flex-direction: column;
    gap: 26px;
  }

  .system-text {
    text-align: center;
  }

  .system-list li {
    padding-left: 0;
  }

  .system-list li::before {
    display: none;
  }

  .system-actions {
    justify-content: center;
  }

  .ai-exam-panel {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .ai-exam-text {
    text-align: center;
    align-items: center;
  }

  .ai-exam-desc {
    max-width: none;
  }

  .ai-exam-actions {
    justify-content: center;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }
  .nav {
    display: none;
  }
  .panel-wrap {
    grid-template-columns: 1fr;
  }
  .teacher-wrap {
    grid-template-columns: 1fr;
  }
  .live-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .recommend-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .shop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-wrap {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .qrcode {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .carousel-actions {
    flex-wrap: wrap;
  }
  .carousel-shell {
    --carousel-h: 280px;
  }
  .carousel-inner {
    width: min(var(--max), calc(100% - 20px));
    padding-bottom: 16px;
  }
  .carousel .btn {
    height: 42px;
    padding: 0 20px;
    font-size: 14px;
  }

  .biz {
    padding: 44px 0 54px;
  }

  .biz-title {
    font-size: 24px;
  }

  .biz-title::before,
  .biz-title::after {
    width: 46px;
  }

  .biz-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .biz-icon {
    width: 76px;
    height: 76px;
  }

  .system-title {
    font-size: 24px;
  }

  .system-title::before,
  .system-title::after {
    width: 46px;
  }

  .system-row-title {
    font-size: 20px;
  }

  .ai-exam-panel {
    padding: 22px;
    gap: 22px;
  }

  .ai-exam-title {
    font-size: 26px;
  }

  .brand {
    min-width: 0;
  }
  .actions {
    min-width: 0;
  }
  .live-grid {
    grid-template-columns: 1fr;
  }
  .recommend-grid {
    grid-template-columns: 1fr;
  }
  .teacher-links {
    grid-template-columns: 1fr;
  }
  .shop-grid {
    grid-template-columns: 1fr;
  }
  .quotes {
    grid-template-columns: 1fr;
  }
  .hero-metrics {
    grid-template-columns: 1fr;
  }
}