@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 200;
  font-display: swap;
  src: url("/assets/fonts/noto-sans-sc-v40-chinese-simplified_latin-200.woff2") format("woff2");
}

@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("/assets/fonts/noto-sans-sc-v40-chinese-simplified_latin-300.woff2") format("woff2");
}

@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/noto-sans-sc-v40-chinese-simplified_latin-regular.woff2") format("woff2");
}

@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 500 600;
  font-display: swap;
  src: url("/assets/fonts/noto-sans-sc-v40-chinese-simplified_latin-500.woff2") format("woff2");
}

@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 700 900;
  font-display: swap;
  src: url("/assets/fonts/noto-sans-sc-v40-chinese-simplified_latin-700.woff2") format("woff2");
}

:root {
  --star-bg: #f6f7ff;
  --star-card: #ffffff;
  --star-ink: #202542;
  --star-muted: #8a92b5;
  --star-line: rgba(103, 116, 221, 0.14);
  --star-blue: #6a78ff;
  --star-purple: #8d6bff;
  --star-shadow: 0 18px 48px rgba(71, 83, 180, 0.14);
  --home-hero-title: 48px;
  --home-section-title: 36px;
  --home-split-title: 32px;
  --home-card-title-lg: 24px;
  --home-card-title: 20px;
  --home-feature-title: 18px;
  --home-subtitle: 16px;
  --home-body: 13px;
  --home-meta: 12px;
  --home-brand-small: 11px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--star-ink);
  font-family: "Source Han Sans SC", "Source Han Sans CN", "Source Han Sans", "思源黑体", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--star-bg);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

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

.star-page {
  min-height: 100vh;
  overflow: hidden;
}

.star-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
  padding: 0 60px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(103, 116, 221, 0.1);
  box-shadow: 0 6px 22px rgba(42, 48, 110, 0.06);
  backdrop-filter: blur(16px);
}

.star-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 190px;
}

.star-brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #fff;
  border-radius: 9px;
  background: linear-gradient(135deg, #6072ff, #8a6cff);
}

.site-brand-logo-img {
  max-width: 210px;
  max-height: 50px;
  object-fit: contain;
}

.site-brand-left-logo-img {
  max-width: 190px;
}

.site-brand-logo-divider {
  width: 1px;
  height: 40px;
  flex: 0 0 auto;
  background: rgba(18, 25, 51, 0.45);
}

.star-brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.08;
}

.star-brand-copy strong {
  font-size: 18px;
  font-weight: 800;
}

.star-brand-copy small {
  color: #7885d9;
  font-size: var(--home-brand-small);
  letter-spacing: 2px;
}

.star-nav {
  display: flex;
  gap: 42px;
  color: #30385f;
  font-size: 15px;
  font-weight: 500;
}

.star-nav a:first-child {
  color: var(--star-blue);
}

.star-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 190px;
  justify-content: flex-end;
}

.icon-btn,
.nav-btn {
  border: 0;
  border-radius: 9px;
}

.icon-btn {
  width: 34px;
  height: 34px;
  color: #7580bf;
  background: #f0f2ff;
}

.nav-btn {
  min-height: 34px;
  padding: 0 18px;
  font-size: 13px;
  font-weight: 800;
}

.nav-btn-primary {
  color: var(--star-blue);
  background: #fff;
  border: 1px solid rgba(103, 116, 221, 0.25);
}

.nav-btn-ghost,
.send-action,
.product-card button,
.production-copy button,
.growth-band button,
.recharge-submit-btn {
  color: #fff;
  background: linear-gradient(135deg, #6576ff, #8b6dff);
  box-shadow: 0 12px 28px rgba(103, 116, 221, 0.22);
}

.star-main {
  width: min(1220px, calc(100% - 40px));
  margin: 0 auto;
}

.hero-section {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 32px 0 0;
  background: url("/assets/star-home/hero-ai-bg.png") center top / 1440px 360px no-repeat;
}

.hero-content {
  width: min(1220px, calc(100% - 40px));
  margin: 0 auto;
  padding-top: 24px;
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 16px;
  color: #7280df;
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
  background: rgba(121, 132, 235, 0.13);
}

.eyebrow {
  margin: 14px 0 0;
  color: #9d8dff;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.hero-content h1 {
  max-width: 680px;
  margin: 30px 0 0;
  color: #252944;
  font-size: clamp(36px, 4.4vw, var(--home-hero-title));
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  max-width: 620px;
  margin: 22px 0 0;
  color: #687193;
  font-size: var(--home-subtitle);
  line-height: 1.7;
}

.hero-buttons {
  margin-top: 28px;
}

.secondary-cta {
  min-height: 44px;
  padding: 0 24px;
  color: #4c587d;
  font-size: 15px;
  font-weight: 800;
  border: 1px solid rgba(103, 116, 221, 0.12);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 30px rgba(70, 76, 155, 0.12);
}

.ai-console {
  position: relative;
  width: min(840px, calc(100% - 40px));
  margin: 6px auto 0;
  padding: 16px 18px 18px;
  border: 1px solid rgba(103, 116, 221, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 20px 42px rgba(78, 88, 183, 0.13);
  backdrop-filter: blur(16px);
}

.model-row,
.console-actions,
.quick-prompts,
.split-heading,
.growth-band {
  display: flex;
  align-items: center;
}

.model-row {
  gap: 8px;
  flex-wrap: wrap;
  color: #9ba3c1;
  font-size: var(--home-body);
  font-weight: 700;
}

.model-pill {
  min-height: 26px;
  padding: 0 12px;
  color: #717cb7;
  border: 1px solid rgba(103, 116, 221, 0.13);
  border-radius: 999px;
  background: #f6f7ff;
  font-size: var(--home-meta);
  font-weight: 800;
}

.model-pill.active {
  color: #6171f1;
  background: rgba(103, 116, 221, 0.12);
}

.prompt-card {
  display: block;
  margin-top: 12px;
  border-radius: 12px;
  background: #fbfcff;
}

.prompt-card textarea {
  width: 100%;
  min-height: 64px;
  padding: 14px;
  resize: vertical;
  color: var(--star-ink);
  background: transparent;
  border: 0;
  outline: 0;
  font-size: 14px;
  line-height: 1.6;
}

.console-actions {
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.console-actions button,
.quick-prompts button,
.split-heading button,
.material-tabs span {
  min-height: 30px;
  padding: 0 14px;
  color: #7b84ac;
  background: #f0f2ff;
  border: 0;
  border-radius: 999px;
  font-size: var(--home-meta);
  font-weight: 800;
}

.console-actions .send-action {
  display: grid;
  place-items: center;
  width: 40px;
  min-width: 40px;
  height: 40px;
  margin-left: auto;
  padding: 0;
  border-radius: 12px;
  font-size: 17px;
}

.quick-prompts {
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  width: auto;
  margin: 14px auto 0;
  color: #9aa2c1;
  font-size: var(--home-meta);
}

.section-block {
  margin: 0 0 72px;
}

.coming-soon-section {
  position: relative;
}

.section-coming-soon-mask {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  border-radius: inherit;
  background: rgba(38, 43, 62, 0.38);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.coming-soon-section:hover .section-coming-soon-mask,
.coming-soon-section:focus-within .section-coming-soon-mask {
  opacity: 1;
}

.section-coming-soon-mask span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 28px;
  color: #252944;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 46px rgba(36, 43, 84, 0.22);
  font-size: var(--home-feature-title);
  font-weight: 900;
  letter-spacing: 0.04em;
}

.ecosystem-section {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 58px 0 68px;
  background: #eef1ff;
}

.ecosystem-section .section-heading,
.ecosystem-section .product-grid {
  width: min(1280px, calc(100% - 40px));
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  margin-bottom: 46px;
  text-align: center;
}

.section-heading h2,
.split-heading h2,
.production-copy h2,
.growth-copy h2 {
  margin: 0;
  color: #252944;
  font-size: clamp(30px, 3.6vw, var(--home-section-title));
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.section-heading p,
.split-heading p,
.production-copy p,
.growth-copy p {
  color: var(--star-muted);
  font-size: var(--home-subtitle);
  line-height: 1.75;
}

.product-grid {
  display: grid;
  grid-template-columns: minmax(500px, 2fr) repeat(4, minmax(158px, 1fr));
  gap: 18px;
}

.product-card {
  position: relative;
  min-height: 300px;
  padding: 34px;
  color: #fff;
  border: 0;
  border-radius: 24px;
  background: linear-gradient(135deg, #7651bd 0%, #4f7bff 100%);
  box-shadow: 0 28px 58px rgba(86, 87, 176, 0.2);
  overflow: hidden;
}

.product-card::before {
  content: "";
  position: absolute;
  top: -36px;
  left: 18px;
  width: 112px;
  height: 112px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.product-card:not(.product-card-wide) {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 300px;
  padding: 104px 24px 28px;
}

.product-card:not(.product-card-wide) h3 {
  font-size: var(--home-card-title);
  letter-spacing: -0.03em;
}

.product-card-pink {
  background: linear-gradient(135deg, #ff4667 0%, #e873ff 100%);
}

.product-card-orange {
  background: linear-gradient(135deg, #ffb83e 0%, #e83f73 100%);
}

.product-card-green {
  background: linear-gradient(135deg, #24b7c8 0%, #05cb4d 100%);
}

.product-card-blue {
  background: linear-gradient(135deg, #109eee 0%, #55b5ff 100%);
}

.product-card-wide {
  display: grid;
  grid-template-columns: 255px 1fr;
  align-items: flex-start;
  align-content: center;
  column-gap: 34px;
  min-height: 300px;
  padding: 34px 38px;
}

.product-main-copy,
.product-main-desc {
  position: relative;
  z-index: 1;
}

.product-card-wide .card-kicker {
  display: block;
  margin: 24px 0 8px;
  color: rgba(255, 255, 255, 0.92);
  font-size: var(--home-card-title-lg);
  line-height: 1;
  font-weight: 900;
}

.product-icon {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.18);
}

.product-card img {
  width: 31px;
  height: 31px;
  object-fit: contain;
}

.product-card h3 {
  position: relative;
  z-index: 1;
  margin: 16px 0 8px;
  font-size: var(--home-card-title);
  line-height: 1.2;
  font-weight: 900;
}

.product-card-wide h3 {
  max-width: 245px;
  margin: 0 0 34px;
  font-size: var(--home-body);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.product-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--home-body);
  line-height: 1.62;
}

.product-main-desc {
  align-self: center;
  padding-top: 24px;
}

.product-main-desc p {
  color: rgba(255, 255, 255, 0.58);
  font-size: var(--home-body);
  line-height: 1.82;
}

.product-main-desc p + p {
  margin-top: 10px;
}

.product-card button,
.product-card a {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 40px;
  margin-top: 16px;
  padding: 0 16px;
  color: #fff;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.2);
  font-size: var(--home-meta);
  font-weight: 800;
}

.product-card a::after {
  content: "→";
  margin-left: 8px;
}

.product-card-wide button {
  min-height: 58px;
  padding: 0 28px;
  border-radius: 14px;
  background: linear-gradient(135deg, #9257ff 0%, #3f8dff 100%);
  box-shadow: 0 18px 36px rgba(55, 88, 224, 0.25);
  font-size: 15px;
}

.product-card-wide button::before {
  content: "✣";
  margin-right: 12px;
  font-size: 24px;
}

.split-heading {
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.materials-section,
.academy-section,
.production-section {
  padding: 0 0 10px;
}

.materials-section,
.academy-section {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: 0;
}

.materials-section {
  padding-top: 10px;
}

.materials-section .section-inner,
.academy-section .section-inner {
  width: min(1220px, calc(100% - 40px));
  margin-left: auto;
  margin-right: auto;
}

.material-tabs {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 30px 0 28px;
}

.material-tabs span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  height: 40px;
  padding: 0 22px;
  color: #737da8;
  border-radius: 14px;
  background: #f0f2fa;
  font-size: var(--home-body);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.material-tabs .active {
  color: #fff;
  background: linear-gradient(135deg, #6b72ff, #8d62ff);
  box-shadow: 0 12px 24px rgba(103, 116, 221, 0.22);
}

.material-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: start;
  gap: 22px;
}

.material-column {
  display: grid;
  gap: 22px;
}

.material-card {
  position: relative;
  overflow: hidden;
  height: 180px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 16px 38px rgba(42, 48, 110, 0.13);
}

.material-card[data-material-item] {
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.material-card[data-material-item]:hover {
  transform: translateY(-2px);
}

.material-card-large {
  height: 270px;
}

.material-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.material-card span {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 5px 10px;
  color: #6372f5;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  font-size: 12px;
  font-weight: 800;
}

.growth-band {
  position: relative;
  justify-content: space-between;
  gap: 64px;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 54px max(40px, calc((100vw - 1220px) / 2)) 56px;
  background: #e6eaff;
}

.growth-copy {
  min-width: 390px;
}

.growth-copy h2 {
  max-width: 520px;
  font-size: var(--home-split-title);
  font-weight: 400;
  line-height: 1.2;
}

.growth-copy h2 strong {
  font-weight: 900;
}

.growth-copy h2 span {
  display: inline-block;
  font-weight: 400;
  white-space: nowrap;
}

.growth-copy p {
  margin-top: 16px;
  color: #8d96bd;
  font-size: 15px;
}

.social-dots {
  display: flex;
  gap: 16px;
  margin: 22px 0 22px;
}

.social-dots span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  border-radius: 999px;
  background: #111;
  font-size: 14px;
  font-weight: 800;
}

.social-dots img {
  display: block;
  width: 70%;
  height: 70%;
  object-fit: contain;
}

.social-dots .social-redbook {
  background: #ff3157;
  font-size: 11px;
}

.social-dots .social-wechat {
  background: #50c775;
}

.social-dots .social-video {
  background: #f3a241;
  font-size: 25px;
  line-height: 1;
}

.social-dots .social-more {
  background: #fff;
}

.social-dots .social-more img {
  width: 76%;
  height: 76%;
  border-radius: 999px;
}

.growth-band button,
.production-copy button {
  min-height: 48px;
  padding: 0 28px;
  border: 0;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 800;
}

.growth-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  min-width: min(650px, 100%);
}

.growth-metrics article {
  display: grid;
  justify-items: center;
  align-content: center;
  min-height: 170px;
  padding: 22px 24px;
  text-align: center;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.5);
  box-shadow: 0 18px 42px rgba(42, 48, 110, 0.12);
}

.metric-icon {
  width: 50px;
  height: 50px;
  margin-bottom: 12px;
}

.metric-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.growth-metrics strong {
  color: #6576ff;
  font-size: var(--home-feature-title);
}

.growth-metrics p {
  color: var(--star-muted);
  font-size: 14px;
  line-height: 1.65;
}

.growth-note {
  position: absolute;
  right: max(40px, calc((100vw - 1220px) / 2));
  bottom: 20px;
  width: min(650px, 58vw);
  margin: 0;
  color: #6576ff;
  text-align: center;
  font-size: var(--home-body);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.course-grid article {
  overflow: hidden;
  padding: 0 0 20px;
  background: #fff;
  border: 1px solid var(--star-line);
  border-radius: 18px;
  box-shadow: 0 16px 38px rgba(42, 48, 110, 0.11);
}

.course-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.course-grid h3,
.course-meta {
  margin-left: 24px;
  margin-right: 24px;
}

.course-tags {
  display: flex;
  gap: 10px;
  margin: 22px 24px 16px;
}

.course-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 11px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 800;
}

.tag-blue {
  color: #6576ff;
  background: rgba(101, 118, 255, 0.1);
}

.tag-red {
  color: #ef5879;
  background: rgba(239, 88, 121, 0.1);
}

.tag-green {
  color: #39ba73;
  background: rgba(57, 186, 115, 0.1);
}

.tag-orange {
  color: #d99b32;
  background: rgba(217, 155, 50, 0.12);
}

.tag-purple {
  color: #8b63df;
  background: rgba(139, 99, 223, 0.12);
}

.course-grid h3 {
  min-height: 46px;
  color: #202542;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 900;
}

.course-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.course-meta p {
  margin: 0;
  color: var(--star-muted);
  font-size: 14px;
  font-weight: 700;
}

.course-meta strong {
  color: #ef6389;
  font-size: 16px;
  font-weight: 900;
}

.course-meta .price-free {
  color: #6576ff;
}

.academy-more-btn {
  min-width: 150px;
  height: 54px;
  color: #6576ff !important;
  border: 1px solid rgba(101, 118, 255, 0.16) !important;
  border-radius: 14px !important;
  background: #f3f5ff !important;
  box-shadow: 0 10px 24px rgba(42, 48, 110, 0.08);
  font-size: 14px !important;
}

.academy-more-btn span {
  margin-left: 6px;
  font-size: 16px;
}

.production-section {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 74px max(40px, calc((100vw - 1220px) / 2)) 92px;
  background: #e6eaff;
}

.production-copy {
  max-width: 840px;
  margin: 0 auto 44px;
  text-align: center;
}

.production-copy h2 {
  font-size: var(--home-split-title);
  font-weight: 400;
  line-height: 1.45;
}

.production-copy h2 strong {
  font-weight: 900;
}

.production-copy h2 span {
  font-weight: 400;
}

.production-copy p {
  max-width: 680px;
  margin: 24px auto 0;
  color: #8d96bd;
  font-size: 15px;
  line-height: 1.7;
}

.production-copy button {
  min-height: 54px;
  margin-top: 26px;
  padding: 0 34px;
  font-size: 15px;
}

.theater-demo-tip {
  display: block;
  margin-top: 34px;
  color: #1e2440;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.production-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-bottom: 28px;
}

.production-feature-grid article,
.process-panel {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 14px 32px rgba(42, 48, 110, 0.1);
}

.production-feature-grid article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: center;
  min-height: 126px;
  padding: 26px 28px;
}

.production-feature-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 12px;
}

.production-feature-icon svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.production-icon-purple {
  color: #7d55f5;
  background: rgba(125, 85, 245, 0.15);
  border: 1px solid rgba(125, 85, 245, 0.22);
}

.production-icon-cyan {
  color: #3287e7;
  background: rgba(60, 201, 223, 0.4);
  border: 1px solid rgba(50, 135, 231, 0.28);
}

.production-icon-orange {
  color: #f2c13c;
  background: linear-gradient(135deg, rgba(246, 111, 106, 0.58), rgba(255, 202, 68, 0.65));
}

.production-feature-grid strong {
  color: #7d55f5;
  font-size: var(--home-feature-title);
}

.production-feature-grid p {
  margin: 12px 0 0;
  color: var(--star-muted);
  font-size: 14px;
  line-height: 1.7;
}

.theater-demo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 0 auto 30px;
}

.theater-demo-card {
  overflow: hidden;
  min-height: 292px;
  border-radius: 16px;
  background: #020412;
  box-shadow: 0 18px 36px rgba(18, 23, 58, 0.18);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.theater-demo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(18, 23, 58, 0.24);
}

.theater-demo-cover {
  position: relative;
  height: 178px;
  overflow: hidden;
  background: #15192b;
}

.theater-demo-cover::after {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.28);
  content: "";
}

.theater-demo-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.theater-demo-play {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  padding-left: 4px;
  color: #fff;
  border: 3px solid rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 34px;
  line-height: 1;
  transform: translate(-50%, -50%);
}

.theater-demo-content {
  padding: 24px 24px 22px;
}

.theater-demo-content h3 {
  margin: 0;
  color: #fff;
  font-size: 20px;
  font-weight: 900;
}

.theater-demo-content p {
  min-height: 42px;
  margin: 14px 0 20px;
  color: #737b9f;
  font-size: 14px;
  line-height: 1.5;
}

.theater-demo-action {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 34px;
  padding: 0 16px;
  color: #fff;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #7137ff, #463cff);
  font-size: 13px;
  font-weight: 800;
}

.theater-demo-action span {
  font-size: 13px;
}

.theater-preview-modal {
  position: fixed;
  z-index: 2000;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 34px;
}

.theater-preview-modal.active {
  display: flex;
}

.theater-preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.52);
  backdrop-filter: blur(4px);
}

.theater-preview-dialog {
  position: relative;
  overflow: hidden;
  width: min(1320px, calc(100vw - 96px));
  max-height: calc(100vh - 88px);
  border-radius: 28px;
  background: #030412;
  box-shadow: 0 34px 88px rgba(0, 0, 0, 0.46);
}

.theater-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 104px;
  padding: 0 38px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.theater-preview-header h2 {
  margin: 0;
  color: #fff;
  font-size: 24px;
  font-weight: 900;
}

.theater-preview-close {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: #aeb5d0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 38px;
  line-height: 1;
}

.theater-preview-body {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(360px, 1fr);
  height: min(620px, calc(100vh - 192px));
  min-height: 480px;
}

.theater-preview-media {
  position: relative;
  display: grid;
  place-items: center;
  height: 100%;
  min-height: 0;
  background: #000;
}

.theater-preview-media video,
.theater-preview-media img {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
}

.theater-preview-media img {
  object-fit: cover;
  filter: brightness(0.72);
}

.theater-preview-media video {
  object-fit: contain;
  background: #000;
  filter: none;
}

.theater-preview-media.is-playing video {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  min-height: 0;
  aspect-ratio: var(--video-ratio, 16 / 9);
}

.theater-preview-media.is-playing.is-landscape video {
  width: 100%;
  height: auto;
}

.theater-preview-media.is-playing.is-portrait video {
  width: auto;
  height: 100%;
  max-width: 100%;
}

.theater-preview-media.is-playing.is-square video {
  width: auto;
  height: 100%;
  max-width: 100%;
}

.theater-preview-play {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 118px;
  height: 118px;
  padding-left: 8px;
  color: #fff;
  border: 4px solid rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 54px;
  transform: translate(-50%, -50%);
}

.theater-preview-media span {
  position: absolute;
  top: calc(50% + 86px);
  left: 50%;
  color: rgba(255, 255, 255, 0.72);
  font-size: 20px;
  transform: translateX(-50%);
}

.theater-preview-contact {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 58px 42px;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  background: #030412;
}

.theater-preview-qr {
  display: grid;
  place-items: center;
  width: 248px;
  min-height: 248px;
  padding: 18px;
  border-radius: 16px;
  background: #fff;
  color: #525a79;
  text-align: center;
  font-size: 14px;
  font-weight: 800;
}

.theater-preview-qr img {
  max-width: 100%;
  max-height: 212px;
  object-fit: contain;
}

.theater-preview-contact p {
  margin: 34px 0 34px;
  color: #858cab;
  font-size: 16px;
}

.theater-preview-contact button {
  min-width: 310px;
  min-height: 72px;
  color: #fff;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #6f24ff, #342dff);
  font-size: 20px;
  font-weight: 900;
}

.theater-modal-open {
  overflow: hidden;
}

.process-panel {
  padding: 52px 60px 58px;
}

.process-heading {
  display: flex;
  align-items: baseline;
  gap: 28px;
}

.process-heading h3 {
  margin: 0;
  color: #080b18;
  font-size: 28px;
}

.process-heading p {
  margin: 0;
  color: var(--star-muted);
  font-size: 15px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 38px;
  margin-top: 50px;
}

.process-grid > div {
  position: relative;
  min-height: 214px;
  padding: 34px 34px 28px;
  color: #fff;
  border-radius: 14px;
  background: linear-gradient(135deg, #5a83ff, #4f6ef7);
}

.process-grid > div:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -28px;
  color: rgba(48, 54, 82, 0.34);
  font-size: 38px;
  transform: translateY(-50%);
  content: "→";
}

.process-grid > div:nth-child(2) {
  background: linear-gradient(135deg, #a05bff, #7436ea);
}

.process-grid > div:nth-child(3) {
  background: linear-gradient(135deg, #62c685, #4aa76f);
}

.process-grid > div:nth-child(4) {
  background: linear-gradient(135deg, #eead45, #c8781b);
}

.step-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 42px;
}

.step-meta strong {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  font-size: 14px;
  font-style: normal;
}

.step-meta em {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.process-grid span {
  display: block;
  margin: 34px 0 20px;
  font-size: 20px;
  font-weight: 800;
}

.process-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  line-height: 1.75;
}

.star-footer {
  color: rgba(255, 255, 255, 0.56);
  background: #20243f;
}

.star-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1220px, calc(100% - 120px));
  min-height: 280px;
  margin: 0 auto;
  padding: 58px 0 54px;
}

.footer-brand {
  display: grid;
  gap: 20px;
  min-width: 360px;
}

.footer-logo-img {
  display: block;
  width: 150px;
  max-width: 100%;
  height: auto;
}

.footer-brand small {
  max-width: 300px;
  color: rgba(255, 255, 255, 0.46);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.85;
}

.footer-contact {
  position: relative;
  display: flex;
  justify-content: flex-start;
  min-width: 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.footer-right-logos {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 26px;
  min-width: 300px;
}

.footer-right-logo-img {
  display: block;
  width: auto;
  max-width: 180px;
  max-height: 60px;
  object-fit: contain;
}

.footer-right-logo-divider {
  width: 1px;
  height: 48px;
  flex: 0 0 auto;
  background: rgba(255, 255, 255, 0.72);
}

.footer-contact-trigger {
  appearance: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 8px 0;
  color: #fff;
  font-size: 17px;
  font-weight: 900;
}

.footer-contact-trigger:focus-visible {
  outline: 2px solid rgba(124, 134, 255, 0.9);
  outline-offset: 6px;
  border-radius: 10px;
}

.footer-contact-popover {
  position: absolute;
  left: 0;
  bottom: calc(100% + 18px);
  z-index: 20;
  width: 188px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 22px 54px rgba(10, 14, 34, 0.28);
  color: #1f2545;
  opacity: 0;
  transform: translateY(8px);
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.footer-contact-popover::after {
  content: '';
  position: absolute;
  left: 28px;
  bottom: -9px;
  width: 18px;
  height: 18px;
  background: rgba(255, 255, 255, 0.98);
  transform: rotate(45deg);
}

.footer-contact:hover .footer-contact-popover,
.footer-contact:focus-within .footer-contact-popover,
.footer-contact.is-open .footer-contact-popover {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
}

.footer-contact-qr {
  display: grid;
  place-items: center;
  width: 156px;
  height: 156px;
  border-radius: 14px;
  background: #f6f7ff;
  overflow: hidden;
}

.footer-contact-qr img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.footer-contact-qr span {
  display: grid;
  place-items: center;
  padding: 14px;
  color: #65709b;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
}

.footer-contact-popover p {
  margin: 0;
  padding-top: 12px;
  color: #2b3158;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.45;
  text-align: center;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 max(60px, calc((100vw - 1220px) / 2));
  color: rgba(255, 255, 255, 0.35);
  background: #171b31;
  font-size: 12px;
  font-weight: 500;
}

.footer-link {
  color: rgba(255, 255, 255, 0.42);
}

.footer-link:hover {
  color: #fff;
  text-decoration: underline;
}

.user-info {
  position: relative;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: #fff;
  border-radius: 999px;
  background: linear-gradient(135deg, #6576ff, #8b6dff);
  font-weight: 800;
}

.user-name {
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 800;
}

.user-credits {
  padding: 5px 10px;
  color: #6576ff;
  border-radius: 999px;
  background: rgba(103, 116, 221, 0.1);
  font-weight: 800;
}

.user-dropdown-btn {
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 8px;
  background: #f1f3ff;
}

.user-dropdown-menu {
  position: absolute;
  top: 42px;
  right: 0;
  display: none;
  min-width: 150px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--star-line);
  border-radius: 14px;
  box-shadow: var(--star-shadow);
}

.user-dropdown-menu.show {
  display: grid;
}

.user-dropdown-item {
  min-height: 36px;
  padding: 0 12px;
  text-align: left;
  border: 0;
  border-radius: 10px;
  background: transparent;
}

.user-dropdown-item:hover {
  background: #f1f3ff;
}

.toast,
.star-toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 1000;
  display: block;
  width: auto;
  height: auto;
  min-width: 180px;
  max-width: min(360px, calc(100vw - 44px));
  min-height: 0;
  padding: 13px 18px;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  border-radius: 14px;
  background: #20243f;
  box-shadow: var(--star-shadow);
  transform: none;
  text-align: left;
  white-space: normal;
}

.star-toast-success {
  background: #18a66f;
}

.star-toast-error {
  background: #cf3a4f;
}

.star-toast-warning {
  background: #de8b18;
}

.star-toast-info {
  background: #20243f;
}

.code-row {
  display: flex;
  gap: 8px;
}

.code-row .form-control {
  flex: 1;
}

.auth-divider {
  position: relative;
  margin: 12px 0;
  text-align: center;
  color: #7b86a8;
  font-size: 12px;
}

.auth-divider::before {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: #e7eaf5;
  content: "";
}

.auth-divider span {
  position: relative;
  padding: 0 10px;
  background: #fff;
}

.current-credits {
  margin-bottom: 16px;
  font-size: 18px;
}

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

.recharge-empty-state {
  grid-column: 1 / -1;
  padding: 24px 18px;
  border: 1px dashed #c9d1f0;
  border-radius: 18px;
  color: var(--star-muted);
  background: #f7f8ff;
  text-align: center;
  font-weight: 700;
  line-height: 1.7;
}

.package-card {
  display: grid;
  gap: 6px;
  padding: 16px;
  text-align: left;
  background: #fff;
  border: 1px solid #e4e8f6;
  border-radius: 18px;
}

.package-card.selected,
.package-card:hover {
  border-color: #6576ff;
  box-shadow: 0 12px 28px rgba(103, 116, 221, 0.14);
}

.package-card span {
  color: #6576ff;
  font-weight: 800;
}

.package-card strong {
  font-size: 24px;
}

.package-card em {
  color: var(--star-muted);
  font-style: normal;
}

.recharge-submit-btn {
  width: 100%;
  min-height: 46px;
  margin-top: 16px;
  border: 0;
  border-radius: 14px;
  font-weight: 800;
}

.recharge-submit-btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.recharge-tips {
  color: var(--star-muted);
  font-size: 13px;
}

.credit-history-modal-content {
  width: min(1120px, calc(100vw - 32px));
  max-width: min(1120px, calc(100vw - 32px)) !important;
  max-height: min(760px, calc(100vh - 36px));
}

.credit-history-modal-content .auth-modal-body {
  padding: 22px;
}

.credit-history-table-wrap {
  max-height: 460px;
  overflow: auto;
  border: 1px solid var(--star-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
}

.credit-history-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  font-size: 13px;
}

.credit-history-table th,
.credit-history-table td {
  padding: 11px 12px;
  border-bottom: 1px solid rgba(103, 116, 221, 0.12);
  text-align: left;
  white-space: nowrap;
}

.credit-history-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--star-blue), var(--star-purple));
}

.credit-history-table td:nth-child(5) {
  min-width: 300px;
  color: var(--star-muted);
  white-space: normal;
}

.credit-history-empty {
  padding: 30px 16px !important;
  color: var(--star-muted);
  text-align: center !important;
}

.credit-history-summary {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 16px;
  margin-bottom: 14px;
  color: var(--star-muted);
  border: 1px solid var(--star-line);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(106, 120, 255, 0.08), rgba(141, 107, 255, 0.08));
}

.credit-history-summary strong {
  color: var(--star-ink);
  font-size: 28px;
  line-height: 1;
}

.credit-history-type {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  color: var(--star-blue);
  font-size: 12px;
  font-weight: 800;
  border-radius: 999px;
  background: rgba(106, 120, 255, 0.12);
}

.credit-history-amount-positive {
  color: #16a36a;
  font-weight: 800;
}

.credit-history-amount-negative {
  color: #e34f67;
  font-weight: 800;
}

.credit-history-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.search-shell,
.model-more-shell {
  position: relative;
}

.notify-btn {
  position: relative;
}

.notify-btn em {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 17px;
  height: 17px;
  padding: 0 5px;
  color: #fff;
  border-radius: 999px;
  background: #f05c78;
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
  line-height: 17px;
}

.site-search-panel,
.model-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 80;
  display: none;
  border: 1px solid var(--star-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--star-shadow);
  backdrop-filter: blur(16px);
}

.search-shell.open .site-search-panel,
.model-more-shell.open .model-menu {
  display: block;
}

.site-search-panel {
  width: 360px;
  padding: 16px;
}

.site-search-input {
  display: grid;
  gap: 8px;
  color: var(--star-muted);
  font-size: 12px;
  font-weight: 800;
}

.site-search-input input {
  width: 100%;
  height: 42px;
  padding: 0 14px;
  color: var(--star-ink);
  border: 1px solid var(--star-line);
  border-radius: 13px;
  background: #f7f8ff;
}

.site-search-input input:focus {
  outline: none;
  border-color: rgba(106, 120, 255, 0.65);
  box-shadow: 0 0 0 4px rgba(106, 120, 255, 0.12);
}

.site-search-results {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.site-search-results a,
.site-search-empty {
  display: grid;
  gap: 3px;
  padding: 10px 12px;
  border-radius: 13px;
  background: #f4f6ff;
}

.site-search-results a:hover {
  color: var(--star-blue);
  background: #eef1ff;
}

.site-search-results strong {
  font-size: 13px;
}

.site-search-results span,
.site-search-empty {
  color: var(--star-muted);
  font-size: 12px;
}

.model-menu {
  min-width: 160px;
  padding: 8px;
}

.model-menu button {
  display: block;
  width: 100%;
  min-height: 34px;
  padding: 0 12px;
  text-align: left;
  color: #526096;
  border: 0;
  border-radius: 10px;
  background: transparent;
  font-size: 12px;
  font-weight: 800;
}

.model-menu button:hover {
  color: var(--star-blue);
  background: #eef1ff;
}

.workshop-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.workshop-flow span {
  position: relative;
  padding: 7px 11px;
  color: rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 12px;
  font-weight: 800;
}

.material-card em {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 10px;
  color: #fff;
  border-radius: 999px;
  background: linear-gradient(135deg, #6576ff, #8b6dff);
  box-shadow: 0 12px 24px rgba(42, 48, 110, 0.16);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.material-card span {
  left: 16px;
  top: 16px;
  bottom: auto;
}

.material-card div {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 10px;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.28);
}

.material-card strong {
  font-size: 15px;
}

.material-card small {
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: #6576ff;
  font-size: 11px;
  font-weight: 900;
  text-shadow: none;
  white-space: nowrap;
}

.growth-stats {
  display: flex;
  gap: 14px;
  margin-top: 18px;
  margin-bottom: 18px;
}

.growth-stats strong {
  display: grid;
  gap: 4px;
  color: #202542;
  font-size: 20px;
  font-weight: 900;
}

.growth-stats span {
  color: #8790b8;
  font-size: 12px;
  font-weight: 800;
}

.course-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 26px;
}

.course-tabs span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-height: 34px;
  padding: 8px 18px;
  color: #7280aa;
  border-radius: 999px;
  background: #f0f3ff;
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

.course-tabs .active {
  color: #fff;
  background: linear-gradient(135deg, #6576ff, #8b6dff);
}

.course-desc,
.course-audience {
  display: none;
  margin: 0;
  color: #7f88ae;
  font-size: 13px;
  line-height: 1.55;
}

.course-audience {
  color: #6576ff;
  font-weight: 800;
}

.footer-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 46px max(60px, calc((100vw - 1220px) / 2));
  color: #fff;
  background: linear-gradient(135deg, #6576ff 0%, #8b6dff 100%);
}

.footer-cta span {
  color: rgba(255, 255, 255, 0.72);
  font-weight: 900;
  letter-spacing: 0.12em;
}

.footer-cta h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
}

.footer-cta-actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
}

.footer-cta-actions button {
  min-height: 44px;
  padding: 0 24px;
  border-radius: 13px;
  font-weight: 900;
}

.footer-cta-actions button:first-child {
  color: var(--star-blue);
  border: 0;
  background: #fff;
}

.footer-cta-actions button:last-child {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.58);
  background: transparent;
}

/* Pixel-aligned desktop sizing based on 星创首页demo0511 / Frame241.css. */
@media (min-width: 1081px) {
  .star-main,
  .hero-content,
  .ecosystem-section .section-heading,
  .ecosystem-section .product-grid,
  .materials-section .section-inner,
  .academy-section .section-inner,
  .production-copy,
  .theater-demo-grid,
  .production-feature-grid,
  .process-panel {
    width: min(1280px, calc(100% - 80px));
  }

  .star-header {
    padding: 0 max(60px, calc((100vw - 1280px) / 2));
  }

  .star-brand-mark {
    width: 36px;
    height: 36px;
  }

  .star-brand-copy strong {
    font-size: 18px;
  }

  .star-brand-copy small {
    font-size: 11px;
  }

  .star-nav {
    gap: 48px;
    font-size: 15px;
  }

  .hero-section {
    min-height: 647px;
    padding-top: 0;
    background:
      url("/assets/star-home/hero-ai-bg.png") center top / 1440px 361px no-repeat,
      linear-gradient(to bottom, transparent 0 361px, #fff 361px 100%);
  }

  .hero-content {
    min-height: 361px;
    padding-top: 63px;
  }

  .hero-badge {
    min-height: 26px;
    padding: 0 16px;
    font-size: 13px;
  }

  .eyebrow {
    margin-top: 18px;
    font-size: 17px;
  }

  .hero-content h1 {
    max-width: 720px;
    margin-top: 27px;
    font-size: 48px;
    line-height: 1.2;
  }

  .hero-subtitle {
    max-width: 620px;
    margin-top: 18px;
    font-size: 16px;
    line-height: 1.7;
  }

  .secondary-cta {
    min-height: 52px;
    padding: 0 32px;
    font-size: 16px;
    border-radius: 12px;
  }

  .ai-console {
    width: 800px;
    margin-top: 0;
    padding: 16px 18px 18px;
    border-radius: 16px;
  }

  .prompt-card textarea {
    min-height: 64px;
    font-size: 14px;
  }

  .ecosystem-section {
    height: 500px;
    margin-bottom: 0;
    padding: 60px 0 0;
    background: #f0f4ff;
  }

  .ecosystem-section .section-heading {
    margin-bottom: 56px;
  }

  .section-heading h2 {
    font-size: 36px;
    line-height: 1.2;
    letter-spacing: -0.03em;
  }

  .section-heading p {
    margin-top: 25px;
    font-size: 16px;
    line-height: 1.45;
  }

  .product-grid {
    grid-template-columns: 597px repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .product-card,
  .product-card:not(.product-card-wide),
  .product-card-wide {
    min-height: 240px;
    height: 240px;
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.19);
  }

  .product-card:not(.product-card-wide) {
    padding: 24px;
  }

  .product-card::before {
    top: -15px;
    left: 10px;
    width: 100px;
    height: 100px;
  }

  .product-card-wide {
    grid-template-columns: 206px 299px;
    column-gap: 32px;
    align-content: start;
    padding: 15px 32px 24px 28px;
  }

  .product-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
  }

  .product-card img {
    width: 22px;
    height: 22px;
  }

  .product-card-wide .card-kicker {
    margin: 10px 0 10px;
    font-size: 24px;
    line-height: 1.15;
  }

  .product-card-wide h3 {
    max-width: 200px;
    margin: 0 0 10px;
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.56);
  }

  .product-main-desc {
    align-self: start;
    padding-top: 79px;
  }

  .product-main-desc p {
    width: 299px;
    color: rgba(255, 255, 255, 0.41);
    font-size: 13px;
    line-height: 1.8;
  }

  .product-main-desc p + p {
    margin-top: 0;
  }

  .product-card-wide button {
    min-height: 52px;
    margin-top: 0;
    padding: 0 32px;
    border-radius: 12px;
    font-size: 16px;
  }

  .product-card-wide button::before {
    font-size: 18px;
  }

  .product-card:not(.product-card-wide) h3,
  .product-card h3 {
    margin: 12px 0 6px;
    font-size: 20px;
    line-height: 1.25;
    letter-spacing: 0;
  }

  .product-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    line-height: 1.45;
  }

  .product-card a {
    min-height: 30px;
    margin-top: 10px;
    padding: 0 12px;
    border-radius: 8px;
    font-size: 12px;
  }

  .product-card a::after {
    margin-left: 4px;
    font-size: 12px;
  }

  .materials-section {
    margin-bottom: 0;
    padding: 60px 0 0;
  }

  .split-heading h2 {
    font-size: 32px;
    line-height: 1.45;
  }

  .split-heading p {
    font-size: 15px;
  }

  .split-heading button {
    min-height: 40px;
    padding: 0 18px;
    font-size: 14px;
    border-radius: 12px;
  }

  .material-tabs {
    gap: 12px;
    margin: 32px 0 32px;
  }

  .material-tabs span {
    min-width: 56px;
    height: 36px;
    padding: 0 18px;
    font-size: 13px;
    border-radius: 12px;
  }

  .material-showcase {
    gap: 20px;
  }

  .material-column {
    gap: 20px;
  }

  .material-card {
    height: 180px;
    border-radius: 12px;
  }

  .material-card-large {
    height: 300px;
  }

  .growth-band {
    min-height: 341px;
    gap: 56px;
    padding: 56px max(40px, calc((100vw - 1280px) / 2)) 48px;
    background: #e8edff;
  }

  .growth-copy {
    min-width: 390px;
  }

  .growth-copy h2 {
    font-size: 32px;
    line-height: 1.2;
  }

  .growth-copy p {
    font-size: 15px;
  }

  .social-dots span {
    width: 40px;
    height: 40px;
  }

  .growth-band button {
    min-height: 44px;
    padding: 0 28px;
    font-size: 14px;
  }

  .growth-metrics {
    min-width: 620px;
    gap: 20px;
  }

  .growth-metrics article {
    min-height: 180px;
    padding: 24px 26px;
    border-radius: 18px;
  }

  .metric-icon {
    width: 58px;
    height: 58px;
  }

  .growth-metrics strong {
    font-size: 18px;
  }

  .growth-metrics p {
    font-size: 14px;
    line-height: 1.6;
  }

  .growth-note {
    right: max(40px, calc((100vw - 1280px) / 2));
    bottom: 20px;
    width: 620px;
    font-size: 12px;
  }

  .academy-section {
    padding: 60px 0 0;
  }

  .course-tabs {
    margin: 32px 0 26px;
  }

  .course-tabs span {
    min-height: 36px;
    padding: 0 18px;
    font-size: 13px;
  }

  .course-grid {
    gap: 20px;
  }

  .course-grid article {
    padding-bottom: 16px;
    border-radius: 16px;
  }

  .course-grid img {
    height: 160px;
  }

  .course-tags {
    gap: 8px;
    margin: 20px 20px 14px;
  }

  .course-tags span {
    min-height: 20px;
    padding: 0 10px;
    font-size: 10px;
  }

  .course-grid h3,
  .course-meta {
    margin-left: 20px;
    margin-right: 20px;
  }

  .course-grid h3 {
    min-height: 44px;
    font-size: 16px;
    line-height: 1.45;
  }

  .course-meta p,
  .course-meta strong {
    font-size: 16px;
  }

  .academy-more-btn {
    min-width: 120px;
    height: 40px;
    font-size: 14px !important;
    border-radius: 12px !important;
  }

  .academy-more-btn span {
    font-size: 16px;
  }

  .production-section {
    padding: 60px 0 72px;
  }

  .production-copy {
    max-width: min(1280px, calc(100% - 80px));
    margin: 0 auto 36px;
  }

  .production-copy h2 {
    font-size: 32px;
    line-height: 1.45;
  }

  .production-copy p {
    max-width: 610px;
    margin-top: 18px;
    font-size: 15px;
    line-height: 1.7;
  }

  .production-copy button {
    min-height: 50px;
    margin-top: 22px;
    padding: 0 30px;
    font-size: 15px;
  }

  .theater-demo-tip {
    margin-top: 30px;
    font-size: 22px;
  }

  .production-feature-grid {
    gap: 24px;
    margin: 0 auto 28px;
  }

  .theater-demo-grid {
    gap: 22px;
    margin: 0 auto 32px;
  }

  .theater-demo-card {
    min-height: 274px;
  }

  .theater-demo-cover {
    height: 166px;
  }

  .theater-demo-content {
    padding: 20px 20px 18px;
  }

  .theater-demo-content h3 {
    font-size: 20px;
  }

  .theater-demo-content p {
    margin: 10px 0 16px;
    font-size: 14px;
  }

  .production-feature-grid article {
    min-height: 124px;
    padding: 24px 28px;
  }

  .production-feature-icon {
    width: 48px;
    height: 48px;
  }

  .production-feature-icon svg {
    width: 22px;
    height: 22px;
  }

  .production-feature-grid strong {
    font-size: 18px;
  }

  .production-feature-grid p {
    font-size: 14px;
    line-height: 1.6;
  }

  .process-panel {
    margin: 0 auto;
    padding: 44px 60px 52px;
    border-radius: 16px;
  }

  .process-heading h3 {
    font-size: 28px;
  }

  .process-heading p {
    font-size: 15px;
  }

  .process-grid {
    gap: 36px;
    margin-top: 44px;
  }

  .process-grid > div {
    min-height: 190px;
    padding: 28px 28px 24px;
    border-radius: 12px;
  }

  .step-meta strong {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .step-meta em {
    font-size: 12px;
  }

  .process-grid span {
    margin: 28px 0 14px;
    font-size: 20px;
  }

  .process-grid p {
    font-size: 14px;
    line-height: 1.6;
  }

  .footer-cta {
    padding: 32px max(40px, calc((100vw - 1280px) / 2));
  }

  .footer-cta h2 {
    font-size: 32px;
  }

  .star-footer-inner {
    width: min(1280px, calc(100% - 80px));
    min-height: 250px;
    padding: 52px 0 44px;
  }

  .footer-logo-img {
    width: 132px;
  }

  .footer-brand small {
    font-size: 13px;
  }

  .footer-contact {
    min-width: 0;
    font-size: 15px;
  }

  .footer-right-logos {
    min-width: 260px;
    gap: 18px;
  }

  .footer-right-logo-img {
    max-width: 148px;
    max-height: 52px;
  }

  .footer-contact-trigger {
    font-size: 17px;
  }

  .footer-bottom {
    min-height: 56px;
    padding: 0 max(40px, calc((100vw - 1280px) / 2));
    font-size: 12px;
  }
}

@media (max-width: 1080px) {
  .star-header {
    padding: 0 24px;
  }

  .star-nav {
    display: none;
  }

  .hero-section {
    background-size: auto 360px;
  }

  .product-grid,
  .course-grid,
  .theater-demo-grid,
  .production-feature-grid,
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid > div:not(:last-child)::after {
    display: none;
  }

  .product-card-wide {
    grid-column: span 2;
    grid-template-columns: 1fr;
    row-gap: 20px;
  }

  .product-main-desc {
    padding-top: 0;
  }

  .growth-band {
    align-items: stretch;
    flex-direction: column;
  }

  .growth-copy {
    min-width: 0;
  }

  .growth-note {
    position: static;
    width: auto;
    margin-top: 18px;
  }
}

@media (max-width: 720px) {
  .star-header {
    height: auto;
    padding: 14px 16px;
    align-items: flex-start;
  }

  .star-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .star-brand {
    min-width: 0;
  }

  .star-brand-copy small,
  .icon-btn {
    display: none;
  }

  .search-shell .icon-btn,
  .notify-btn {
    display: grid;
  }

  .site-search-panel {
    right: -54px;
    width: min(320px, calc(100vw - 24px));
  }

  .star-main {
    width: min(100% - 24px, 1220px);
  }

  .hero-section {
    padding-top: 26px;
    background-size: auto 360px;
  }

  .hero-content h1 {
    margin-top: 20px;
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .quick-prompts {
    margin-top: 14px;
  }

  .ecosystem-section {
    padding-top: 54px;
  }

  .split-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .product-grid,
  .course-grid,
  .theater-demo-grid,
  .production-feature-grid,
  .process-grid,
  .growth-metrics,
  .material-showcase,
  .recharge-packages {
    grid-template-columns: 1fr;
  }

  .growth-copy h2 {
    font-size: 34px;
  }

  .growth-stats,
  .footer-cta,
  .footer-cta-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .footer-cta {
    padding: 34px 20px;
  }

  .social-dots {
    gap: 12px;
  }

  .social-dots span {
    width: 42px;
    height: 42px;
  }

  .course-grid img {
    height: 180px;
  }

  .course-grid h3 {
    min-height: auto;
  }

  .product-card-wide {
    grid-column: span 1;
  }

  .product-card,
  .product-card:not(.product-card-wide) {
    min-height: 260px;
  }

  .product-card-wide {
    padding: 28px;
  }

  .material-card,
  .material-card-large {
    height: 220px;
  }

  .material-card div {
    align-items: flex-start;
    flex-direction: column;
  }

  .process-panel {
    padding: 24px;
  }

  .process-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .star-footer-inner {
    width: calc(100% - 40px);
    min-height: auto;
    padding: 46px 0;
    flex-direction: column;
    gap: 36px;
  }

  .footer-brand {
    min-width: 0;
  }

  .footer-contact {
    width: 100%;
    justify-content: flex-start;
  }

  .footer-right-logos {
    width: 100%;
    min-width: 0;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 16px;
  }

  .footer-right-logo-img {
    max-width: 150px;
    max-height: 52px;
  }

  .footer-contact-popover {
    left: 0;
  }

  .footer-contact-popover::after {
    left: 28px;
  }

  .footer-logo-img {
    width: 120px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 14px 20px;
    gap: 8px;
  }

  .theater-preview-modal {
    padding: 14px;
  }

  .theater-preview-dialog {
    width: 100%;
    max-height: calc(100vh - 28px);
    overflow-y: auto;
    border-radius: 20px;
  }

  .theater-preview-header {
    height: 72px;
    padding: 0 18px;
  }

  .theater-preview-header h2 {
    font-size: 20px;
  }

  .theater-preview-close {
    width: 42px;
    height: 42px;
    font-size: 30px;
  }

  .theater-preview-body {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .theater-preview-media,
  .theater-preview-media video,
  .theater-preview-media img {
    min-height: 280px;
  }

  .theater-preview-media.is-playing video,
  .theater-preview-media.is-playing.is-portrait video,
  .theater-preview-media.is-playing.is-square video {
    height: auto;
    max-height: 70vh;
    max-width: 100%;
  }

  .theater-preview-contact {
    padding: 28px 18px 34px;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .theater-preview-contact button {
    min-width: 0;
    width: 100%;
    min-height: 58px;
    font-size: 20px;
  }
}

/* Demo parity pass 2026-06-05: align homepage typography, spacing, and card rhythm with 星创首页demo0511. */
@media (min-width: 1081px) {
  :root {
    --star-bg: #f8f9fc;
    --star-ink: #1a1f3c;
    --star-muted: #8b91bb;
    --star-blue: #4f6ef7;
    --star-purple: #a259ff;
    --home-hero-title: 48px;
    --home-section-title: 36px;
    --home-split-title: 32px;
    --home-card-title-lg: 24px;
    --home-card-title: 20px;
    --home-feature-title: 18px;
    --home-subtitle: 16px;
    --home-body: 13px;
    --home-meta: 12px;
  }

  .star-main,
  .hero-content,
  .ecosystem-section .section-heading,
  .ecosystem-section .product-grid,
  .materials-section .section-inner,
  .academy-section .section-inner,
  .production-copy,
  .theater-demo-grid,
  .process-panel {
    width: min(1280px, calc(100% - 160px));
  }

  .star-header {
    height: 72px;
    padding: 0 max(60px, calc((100vw - 1280px) / 2));
    box-shadow: 0 4px 20px rgba(26, 43, 107, 0.08);
  }

  .star-brand-copy strong {
    font-size: 18px;
    font-weight: 700;
  }

  .star-brand-copy small {
    color: #6b7ccc;
    font-size: 11px;
    letter-spacing: 2px;
  }

  .star-nav {
    gap: 40px;
    color: #2d3561;
    font-size: 15px;
    font-weight: 500;
  }

  .hero-section {
    min-height: 647px;
    padding: 0;
    background:
      url("/assets/star-home/hero-ai-bg.png") center top / 1440px 361px no-repeat,
      linear-gradient(to bottom, transparent 0 361px, #ffffff 361px 100%);
  }

  .hero-content {
    min-height: 361px;
    padding: 32px 0 0;
  }

  .hero-badge {
    min-height: 28px;
    padding: 0 14px;
    color: #4f6ef7;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(79, 110, 247, 0.31);
    background: linear-gradient(180deg, rgba(79, 110, 247, 0.13), rgba(162, 89, 255, 0.13));
  }

  .eyebrow {
    margin-top: 18px;
    color: transparent;
    font-size: 28px;
    font-weight: 300;
    letter-spacing: 4px;
    line-height: 1.35;
    background: linear-gradient(180deg, #4f6ef7, #a259ff);
    background-clip: text;
    -webkit-background-clip: text;
  }

  .hero-content h1 {
    max-width: 720px;
    margin-top: 27px;
    color: #1a1f3c;
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1px;
  }

  .hero-subtitle {
    max-width: 680px;
    margin-top: 18px;
    color: #5b6297;
    font-size: 17px;
    line-height: 1.7;
  }

  .hero-buttons {
    margin-top: 28px;
  }

  .secondary-cta {
    min-height: 52px;
    padding: 0 28px;
    color: #2d3561;
    font-size: 16px;
    font-weight: 500;
    border: 1.5px solid #d4d8f0;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(26, 43, 107, 0.05);
  }

  .ai-console {
    width: 840px;
    margin-top: 0;
    padding: 16px 18px 18px;
    border-radius: 20px;
    background: #f8f9fc;
    box-shadow: 0 10px 30px rgba(79, 110, 247, 0.08);
  }

  .model-row,
  .prompt-card textarea,
  .console-actions button,
  .quick-prompts,
  .quick-prompts button {
    font-size: 12px;
  }

  .prompt-card textarea {
    min-height: 76px;
    color: #5b6297;
    line-height: 1.7;
  }

  .section-block {
    margin-bottom: 0;
  }

  .section-heading h2 {
    color: #1a1f3c;
    font-size: 36px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0;
  }

  .section-heading p {
    margin-top: 24px;
    color: #8b91bb;
    font-size: 16px;
    line-height: 1.45;
  }

  .ecosystem-section {
    height: 500px;
    padding: 60px 0 0;
    background: #f0f4ff;
  }

  .ecosystem-section .section-heading {
    margin-bottom: 56px;
  }

  .product-grid {
    grid-template-columns: 597px repeat(4, 1fr);
    gap: 20px;
  }

  .product-card,
  .product-card:not(.product-card-wide),
  .product-card-wide {
    height: 240px;
    min-height: 240px;
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.19);
  }

  .product-card-wide {
    grid-template-columns: 206px 299px;
    column-gap: 32px;
    padding: 15px 32px 24px 28px;
  }

  .product-card:not(.product-card-wide) {
    justify-content: flex-end;
    padding: 24px;
  }

  .product-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
  }

  .product-card img {
    width: 22px;
    height: 22px;
  }

  .product-card-wide .card-kicker {
    margin: 10px 0 8px;
    font-size: 24px;
    font-weight: 700;
  }

  .product-card-wide h3 {
    max-width: 200px;
    margin: 0 0 10px;
    color: rgba(255, 255, 255, 0.56);
    font-size: 13px;
    font-weight: 400;
    line-height: 1.6;
  }

  .product-main-desc {
    align-self: start;
    padding-top: 79px;
  }

  .product-main-desc p {
    width: 299px;
    color: rgba(255, 255, 255, 0.41);
    font-size: 13px;
    line-height: 1.8;
  }

  .product-card-wide button {
    min-height: 52px;
    margin-top: 0;
    padding: 0 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
  }

  .product-card h3 {
    margin: 14px 0 8px;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.28;
  }

  .product-card p {
    font-size: 13px;
    line-height: 1.48;
  }

  .product-card a {
    min-height: 30px;
    margin-top: 10px;
    padding: 0 12px;
    border-radius: 8px;
    font-size: 12px;
  }

  .materials-section {
    padding: 60px 0 0;
  }

  .split-heading {
    margin-bottom: 0;
  }

  .split-heading h2,
  .growth-copy h2,
  .production-copy h2 {
    color: #1a1f3c;
    font-size: 32px;
    font-weight: 300;
    line-height: 1.45;
    letter-spacing: 0;
  }

  .split-heading h2 strong,
  .growth-copy h2 strong,
  .production-copy h2 strong {
    font-weight: 700;
  }

  .split-heading p,
  .growth-copy p,
  .production-copy p {
    color: #8b91bb;
    font-size: 15px;
    line-height: 1.7;
  }

  .split-heading button {
    min-height: 40px;
    padding: 0 20px;
    color: #4f6ef7;
    border: 1px solid #dde0f0;
    border-radius: 10px;
    background: #f1f3fa;
    font-size: 14px;
    font-weight: 500;
  }

  .material-tabs {
    gap: 10px;
    margin: 32px 0 32px;
  }

  .material-tabs span {
    min-width: 66px;
    height: 36px;
    padding: 0 20px;
    border-radius: 10px;
    background: #f1f3fa;
    color: #5b6297;
    font-size: 13px;
    font-weight: 400;
  }

  .material-tabs .active {
    color: #fff;
    font-weight: 600;
    background: linear-gradient(180deg, #4f6ef7, #a259ff);
  }

  .material-showcase {
    gap: 20px;
  }

  .material-column {
    gap: 20px;
  }

  .material-card {
    height: 180px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(26, 43, 107, 0.08);
  }

  .material-card-large {
    height: 300px;
  }

  .material-card span {
    padding: 5px 10px;
    font-size: 12px;
  }

  .material-card strong {
    font-size: 15px;
    font-weight: 700;
  }

  .production-section {
    padding: 60px 0 72px;
    background: #e6eaff;
  }

  .production-copy {
    max-width: min(1280px, calc(100% - 160px));
    margin-bottom: 36px;
  }

  .production-copy p {
    max-width: 610px;
    margin-top: 18px;
  }

  .theater-demo-tip {
    margin-top: 30px;
    font-size: 22px;
    font-weight: 700;
  }

  .theater-demo-grid {
    gap: 22px;
    margin-bottom: 32px;
  }

  .theater-demo-card {
    min-height: 274px;
    border-radius: 16px;
  }

  .theater-demo-cover {
    height: 166px;
  }

  .theater-demo-content {
    padding: 20px 20px 18px;
  }

  .theater-demo-content h3 {
    font-size: 20px;
    font-weight: 700;
  }

  .theater-demo-content p {
    margin: 10px 0 16px;
    font-size: 14px;
  }

  .process-panel {
    padding: 44px 60px 52px;
    border-radius: 16px;
  }

  .process-heading h3 {
    color: #080b18;
    font-size: 28px;
    font-weight: 700;
  }

  .process-heading p {
    font-size: 15px;
  }

  .process-grid {
    gap: 36px;
    margin-top: 44px;
  }

  .process-grid > div {
    min-height: 190px;
    padding: 28px;
    border-radius: 12px;
  }

  .process-grid span {
    margin: 28px 0 14px;
    font-size: 20px;
    font-weight: 700;
  }

  .process-grid p {
    font-size: 14px;
    line-height: 1.6;
  }

  .academy-section {
    padding: 60px 0 0;
  }

  .course-tabs {
    gap: 12px;
    margin: 32px 0 26px;
  }

  .course-tabs span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    min-height: 36px;
    padding: 0 18px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
  }

  .course-grid {
    gap: 20px;
  }

  .course-grid article {
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(26, 43, 107, 0.08);
  }

  .course-grid img {
    height: 160px;
  }

  .course-tags {
    margin: 20px 20px 14px;
  }

  .course-tags span {
    min-height: 20px;
    padding: 0 10px;
    font-size: 10px;
  }

  .course-grid h3,
  .course-meta {
    margin-left: 20px;
    margin-right: 20px;
  }

  .course-grid h3 {
    min-height: 44px;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.45;
  }

  .course-meta p,
  .course-meta strong {
    font-size: 16px;
  }

  .growth-band {
    min-height: 341px;
    gap: 56px;
    padding: 56px max(40px, calc((100vw - 1280px) / 2)) 48px;
    background: #e8edff;
  }

  .social-dots span {
    width: 40px;
    height: 40px;
  }

  .growth-band button {
    min-height: 44px;
    padding: 0 28px;
    border-radius: 8px;
    font-size: 14px;
  }

  .growth-metrics {
    min-width: 620px;
    gap: 20px;
  }

  .growth-metrics article {
    min-height: 180px;
    border-radius: 18px;
  }

  .metric-icon {
    width: 58px;
    height: 58px;
  }

  .growth-metrics strong {
    font-size: 18px;
    font-weight: 700;
  }

  .growth-metrics p {
    font-size: 14px;
  }

  .growth-note {
    right: max(40px, calc((100vw - 1280px) / 2));
    width: 620px;
    font-size: 12px;
  }

  .star-footer-inner {
    width: min(1280px, calc(100% - 160px));
    min-height: 250px;
    padding: 52px 0 44px;
  }

  .footer-logo-img {
    width: 132px;
  }

  .footer-brand small {
    font-size: 13px;
    line-height: 1.8;
  }

  .footer-contact-trigger {
    font-size: 17px;
    font-weight: 700;
  }

  .footer-bottom {
    min-height: 56px;
    padding: 0 max(40px, calc((100vw - 1280px) / 2));
    font-size: 12px;
  }
}

@media (max-width: 1080px) {
  .section-heading h2 {
    font-size: 32px;
  }

  .split-heading h2,
  .growth-copy h2,
  .production-copy h2 {
    font-size: 30px;
  }

  .product-card-wide {
    height: auto;
  }
}

/* Match the wide ecosystem card subtitle to the demo's small body-copy scale. */
.product-card-wide .product-main-copy h3 {
  font-size: 13px;
  line-height: 1.8;
  font-weight: 400;
  letter-spacing: 0;
  color: rgba(255, 255, 255, 0.56);
}

/* 2026-06-20 星创剧场 / 星库素材 UI alignment from 星创0620UI需求. */
.materials-section {
  padding: 60px 0 70px;
  background: #fff;
}

.materials-section .section-inner {
  width: min(1280px, calc(100% - 112px));
}

.materials-section .split-heading {
  align-items: flex-start;
  margin-bottom: 26px;
}

.materials-section .split-heading h2 {
  margin: 0;
  color: #202642;
  font-size: 32px;
  line-height: 1.35;
  font-weight: 500;
}

.materials-section .split-heading h2 strong {
  font-weight: 900;
}

.materials-section .split-heading h2 span {
  font-weight: 400;
}

.materials-section .split-heading p {
  margin-top: 12px;
  color: #8b96bc;
  font-size: 15px;
  line-height: 1.6;
}

.materials-section .split-heading button {
  min-height: 40px;
  margin-top: 14px;
  padding: 0 18px;
  color: #4f6bff;
  border: 1px solid #dde3f8;
  border-radius: 12px;
  background: #f4f6ff;
  box-shadow: none;
  font-size: 14px;
  font-weight: 800;
}

.materials-section .material-tabs {
  gap: 10px;
  margin: 0 0 32px;
}

.materials-section .material-tabs span {
  min-width: 56px;
  height: 36px;
  padding: 0 18px;
  border-radius: 12px;
  background: #f1f3fa;
  color: #7580a7;
  font-size: 13px;
  font-weight: 800;
}

.materials-section .material-tabs .active {
  color: #fff;
  background: linear-gradient(135deg, #4f6ef7 0%, #a259ff 100%);
  box-shadow: 0 10px 20px rgba(79, 110, 247, 0.18);
}

.material-showcase-0620 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.material-showcase-0620 img {
  display: block;
  width: 100%;
  border-radius: 14px;
  box-shadow: 0 16px 34px rgba(36, 43, 89, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.production-section {
  padding: 30px max(60px, calc((100vw - 1280px) / 2)) 80px;
  background: #e0e5f9;
}

.production-copy {
  width: min(760px, 100%);
  margin: 0 auto 38px;
}

.production-copy h2 {
  margin: 0;
  color: #202642;
  font-size: 32px;
  line-height: 1.35;
  font-weight: 400;
}

.production-copy h2 strong {
  font-weight: 900;
}

.production-copy p {
  width: min(560px, 100%);
  margin: 18px auto 0;
  color: #8b96bc;
  font-size: 15px;
  line-height: 1.8;
}

.theater-demo-tip {
  margin-top: 28px;
  color: #1f2746;
  font-size: 20px;
  font-weight: 900;
}

.theater-demo-grid {
  width: min(1280px, 100%);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin: 0 auto 34px;
}

.theater-demo-card {
  min-height: 324px;
  border: 1px solid rgba(42, 47, 74, 0.84);
  border-radius: 16px;
  background: #050817;
  box-shadow: 0 18px 36px rgba(32, 38, 78, 0.16);
}

.theater-demo-cover {
  height: 200px;
  background: #101426;
}

.theater-demo-cover::after {
  background: rgba(0, 0, 0, 0.38);
}

.theater-demo-play {
  width: 58px;
  height: 58px;
  border-width: 3px;
  font-size: 27px;
}

.theater-demo-content {
  padding: 18px 16px 17px;
}

.theater-demo-content h3 {
  font-size: 18px;
  line-height: 1.25;
}

.theater-demo-content p {
  min-height: 38px;
  margin: 12px 0 18px;
  color: #7b82a0;
  font-size: 13px;
}

.theater-demo-action {
  height: 28px;
  padding: 0 14px;
  background: linear-gradient(135deg, #4f46e8, #7c3aed);
  font-size: 12px;
}

.process-panel {
  width: min(1280px, 100%);
  padding: 42px 50px 54px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 44px rgba(53, 62, 126, 0.14);
}

.process-heading {
  display: flex;
  align-items: baseline;
  gap: 28px;
  margin-bottom: 44px;
}

.process-heading h3 {
  margin: 0;
  color: #050817;
  font-size: 28px;
  font-weight: 900;
}

.process-heading p {
  margin: 0;
  color: #8b96bc;
  font-size: 15px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 56px;
}

.process-grid > div {
  position: relative;
  min-height: 220px;
  padding: 40px 32px 28px;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, #4f6ef7, #456cf0);
}

.process-grid > div:nth-child(2) {
  background: linear-gradient(135deg, #a259ff, #7137ff);
}

.process-grid > div:nth-child(3) {
  background: linear-gradient(135deg, #26c58f, #13a773);
}

.process-grid > div:nth-child(4) {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.process-grid > div:not(:last-child)::after {
  position: absolute;
  right: -42px;
  top: 50%;
  content: "→";
  color: #aeb6c9;
  font-size: 34px;
  transform: translateY(-50%);
}

.step-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 36px;
}

.step-meta strong {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  font-size: 16px;
}

.step-meta em {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-style: normal;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.process-grid span {
  display: block;
  margin-bottom: 22px;
  font-size: 22px;
  font-weight: 900;
}

.process-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  line-height: 1.8;
}

@media (max-width: 1080px) {
  .materials-section .section-inner,
  .production-section .theater-demo-grid,
  .production-section .process-panel {
    width: min(100% - 32px, 720px);
  }

  .material-showcase-0620,
  .theater-demo-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-grid > div:not(:last-child)::after {
    display: none;
  }

  .process-panel {
    padding: 28px 22px;
  }

  .process-heading {
    display: block;
  }
}