:root {
  --bg: #edf4ff;
  --surface: #ffffff;
  --surface-soft: #f4f8ff;
  --text: #142033;
  --muted: #667085;
  --primary: #3478f6;
  --primary-2: #79b3ff;
  --line: rgba(120, 145, 180, 0.24);
  --shadow: 0 18px 45px rgba(44, 93, 160, 0.14);
  --radius-lg: 28px;
  --radius-md: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 8%, rgba(121, 179, 255, 0.32), transparent 28%),
    linear-gradient(180deg, #f7fbff 0%, var(--bg) 100%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(22px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 900;
}

.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  color: var(--muted);
  font-weight: 700;
}

nav a {
  padding: 8px 12px;
  border-radius: 999px;
}

nav a:hover {
  color: var(--primary);
  background: var(--surface-soft);
}

nav .nav-pill {
  color: #fff;
  background: linear-gradient(145deg, var(--primary), var(--primary-2));
  box-shadow: 0 10px 22px rgba(52, 120, 246, 0.18);
}

nav .nav-pill.ghost {
  color: var(--primary);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: none;
}

main {
  max-width: 1680px;
  margin: 0 auto;
  padding: 42px 28px 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.54fr) minmax(760px, 1.46fr);
  gap: 28px;
  align-items: center;
  margin-bottom: 34px;
  padding: clamp(26px, 3vw, 42px);
  border: 1px solid rgba(139, 173, 225, 0.22);
  border-radius: 38px;
  background:
    radial-gradient(circle at 6% 10%, rgba(121, 179, 255, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(247, 251, 255, 0.92));
  box-shadow: 0 22px 52px rgba(44, 93, 160, 0.12);
  min-height: 540px;
}

.hero-copy h1 {
  max-width: 560px;
  margin: 12px 0 20px;
  font-size: clamp(46px, 5vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.05em;
  white-space: nowrap;
}

.hero-points {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(52, 120, 246, 0.18);
  border-radius: 999px;
  color: #245ec7;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 24px rgba(44, 93, 160, 0.08);
  font-size: 18px;
  font-weight: 900;
}

.eyebrow {
  color: var(--primary);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lead {
  max-width: 560px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary,
.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 900;
}

.primary {
  color: #fff;
  background: linear-gradient(145deg, var(--primary), var(--primary-2));
  box-shadow: 0 14px 28px rgba(52, 120, 246, 0.22);
}

.secondary {
  color: var(--primary);
  background: #fff;
  border: 1px solid var(--line);
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 0;
  border: 0;
  border-radius: 30px;
  background:
    radial-gradient(circle at 78% 12%, rgba(121, 179, 255, 0.18), transparent 34%),
    linear-gradient(145deg, rgba(237, 244, 255, 0.72), rgba(255, 255, 255, 0.54));
  box-shadow: none;
}

.hero-media {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 14px;
  align-content: center;
  background:
    radial-gradient(circle at 82% 14%, rgba(121, 179, 255, 0.26), transparent 34%),
    rgba(255, 255, 255, 0.62);
}

.hero-media-single {
  grid-template-columns: 1fr;
  padding: 12px;
}

.hero-shot {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 0;
  border-radius: 26px;
  background: transparent;
  box-shadow: none;
}

.hero-shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.hero-shot-combined {
  aspect-ratio: 16 / 8.05;
  border-radius: 28px;
  background: transparent;
  box-shadow: none;
}

.hero-shot-combined img {
  transform: scale(1.075);
  transform-origin: center center;
  filter: saturate(1.03) contrast(1.01);
}

.hero-shot-export {
  grid-column: 2;
  grid-row: 1 / span 2;
  aspect-ratio: 16 / 9;
}

.hero-shot-dream {
  aspect-ratio: 16 / 9;
}

.hero-shot figcaption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  max-width: calc(100% - 32px);
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: 999px;
  color: #fff;
  background: rgba(20, 32, 51, 0.72);
  backdrop-filter: blur(12px);
  font-size: 13px;
  font-weight: 900;
}

.hero-extract-card {
  overflow: hidden;
  min-height: 245px;
  padding: 16px;
  border: 1px solid rgba(139, 173, 225, 0.34);
  border-radius: 26px;
  background: linear-gradient(180deg, #ffffff, #f4f8ff);
  box-shadow: 0 18px 42px rgba(44, 93, 160, 0.14);
}

.mini-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.mini-head img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.mini-head b,
.mini-head span {
  display: block;
}

.mini-head b {
  font-size: 18px;
}

.mini-head span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.mini-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 12px 0;
}

.mini-actions span {
  min-height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  font-size: 13px;
  font-weight: 900;
}

.mini-actions .active {
  color: #fff;
  background: linear-gradient(145deg, var(--primary), var(--primary-2));
}

.mini-roles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mini-roles span {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 4px;
  min-height: 78px;
  padding: 8px 4px;
  border-radius: 14px;
  background: rgba(237, 244, 255, 0.86);
  color: #223049;
  font-size: 12px;
  font-weight: 900;
}

.mini-roles img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.mini-roles b {
  position: absolute;
  top: 6px;
  right: 7px;
  color: var(--primary);
  background: #fff;
  border-radius: 999px;
  padding: 1px 6px;
}

.hero-extract-card p {
  margin: 12px 0 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: #1f2a44;
  background: #fff;
  font-weight: 900;
}

.intro-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 48px;
}

.intro-columns article {
  min-height: 156px;
  padding: 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 88% 18%, rgba(121, 179, 255, 0.18), transparent 34%),
    rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 34px rgba(44, 93, 160, 0.1);
}

.intro-label {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--primary);
  background: #edf4ff;
  font-size: 12px;
  font-weight: 700;
}

.fit-list,
.pain-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.fit-list li,
.pain-list li {
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: start;
  gap: 8px;
  color: #223049;
  font-size: clamp(15px, 1.2vw, 18px);
  font-weight: 500;
  line-height: 1.42;
}

.fit-list li::before,
.pain-list li::before {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.fit-list li::before {
  content: "✓";
  background: #2dce89;
}

.pain-list li::before {
  content: "×";
  background: #ff5b6b;
}

.mock-panel {
  overflow: hidden;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #f8fbff;
}

.mock-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.mock-head img {
  width: 48px;
  height: 48px;
}

.mock-head b,
.mock-head small {
  display: block;
}

.mock-head b {
  font-size: 22px;
}

.mock-head small,
.mock-stats,
.mock-line p,
.section-title p,
.steps span,
.feature-grid p,
.control-table span,
.video-card p,
footer {
  color: var(--muted);
}

.mock-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.mock-actions span {
  min-height: 78px;
  display: grid;
  place-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  font-weight: 900;
}

.mock-actions span.active {
  color: #fff;
  background: linear-gradient(145deg, var(--primary), var(--primary-2));
}

.mock-actions img {
  width: 32px;
  height: 32px;
}

.mock-stats {
  margin: 12px 0;
  padding: 10px 12px;
  border-radius: 14px;
  background: #edf4ff;
  font-weight: 800;
}

.mock-stats b {
  float: right;
  color: var(--primary);
  background: #fff;
  border-radius: 999px;
  padding: 2px 8px;
}

.mock-roles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.mock-roles button {
  position: relative;
  min-height: 82px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: transparent;
  color: var(--text);
  font-weight: 900;
}

.mock-roles button.selected {
  color: var(--primary);
  border-color: #9bbcf4;
  background: #edf4ff;
}

.mock-roles img {
  width: 42px;
  height: 42px;
  display: block;
  margin: 0 auto 4px;
  border-radius: 50%;
  object-fit: contain;
}

.mock-roles b {
  position: absolute;
  top: 8px;
  right: 10px;
  background: #fff;
  border-radius: 999px;
  padding: 1px 7px;
}

.mock-line {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}

.mock-line b {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--primary);
  background: #e5efff;
}

.section {
  margin-top: 74px;
}

.section-title {
  max-width: 700px;
  margin: 0 auto 28px;
  text-align: center;
}

.section-title.align-left {
  margin: 0;
  text-align: left;
}

.section-title h2 {
  margin: 8px 0 10px;
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -0.04em;
}

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

.feature-grid article,
.video-card,
.showcase-item,
.control-table article,
.steps li {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 10px 28px rgba(44, 93, 160, 0.08);
}

.showcase-list {
  display: grid;
  gap: 18px;
}

.showcase-item {
  display: grid;
  grid-template-columns: 230px minmax(260px, 0.9fr) minmax(360px, 1fr);
  gap: 22px;
  align-items: stretch;
  padding: 18px;
}

.showcase-item-update {
  grid-template-columns: 170px 1fr;
  align-items: center;
}

.showcase-item-update .feature-visual {
  min-height: 160px;
}

.showcase-item-update .showcase-copy {
  min-height: 160px;
}

.showcase-item-update .video-placeholder {
  display: none;
}

.feature-visual {
  min-height: 240px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  padding: 18px;
  border: 1px solid rgba(139, 173, 225, 0.32);
  border-radius: 18px;
  background:
    radial-gradient(circle at 25% 20%, rgba(121, 179, 255, .22), transparent 42%),
    linear-gradient(180deg, #fff, #f4f8ff);
}

.feature-visual > img {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.visual-panel {
  width: 100%;
  display: grid;
  gap: 6px;
  padding: 12px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(44, 93, 160, .08);
}

.visual-panel span {
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
}

.visual-panel p {
  margin: 0;
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
}

.toggle-demo {
  width: 150px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 999px;
  color: #fff;
  background: var(--primary);
  font-weight: 900;
}

.toggle-demo span {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #fff;
}

.plot-demo {
  width: 170px;
  padding: 10px 12px;
  border-radius: 14px;
  color: var(--muted);
  background: #fff;
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.plot-demo.muted {
  opacity: .42;
  text-decoration: line-through;
}

.plot-demo.active {
  color: var(--primary);
  border: 1px solid #b9d1fa;
}

.color-row {
  width: 170px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: #fff;
  font-size: 13px;
  font-weight: 900;
}

.color-row i {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--swatch);
}

.strike-row i {
  width: 28px;
  height: 2px;
  border-radius: 999px;
  background: #3478f6;
  transform: rotate(-10deg);
}

.visual-color p,
.visual-dream p,
.visual-update p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.visual-dream strong,
.visual-update strong {
  color: var(--primary);
  font-size: 20px;
  font-weight: 900;
}

.visual-export {
  grid-template-columns: 54px 1fr;
  place-items: center start;
}

.visual-export img {
  grid-row: span 2;
}

.visual-export b,
.visual-export span {
  display: block;
}

.visual-export b {
  font-size: 20px;
}

.visual-export span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.visual-export em {
  grid-column: 1 / -1;
  justify-self: stretch;
  padding: 10px;
  border-radius: 14px;
  color: #fff;
  background: var(--primary);
  font-style: normal;
  font-weight: 900;
  text-align: center;
}

.visual-tools {
  grid-template-columns: repeat(2, 64px);
}

.visual-tools img {
  width: 52px;
  height: 52px;
  padding: 10px;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 22px rgba(44, 93, 160, .08);
}

.avatar-strip {
  display: flex;
}

.avatar-strip img {
  width: 54px;
  height: 54px;
  margin-left: -10px;
  border: 4px solid #fff;
  border-radius: 50%;
  background: #fff;
  object-fit: contain;
  box-shadow: 0 8px 18px rgba(44, 93, 160, .12);
}

.avatar-strip img:first-child {
  margin-left: 0;
}

.showcase-copy {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 18px 16px;
}

.showcase-copy .number {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(145deg, var(--primary), var(--primary-2));
  box-shadow: 0 12px 22px rgba(52, 120, 246, 0.18);
  font-size: 18px;
  font-weight: 900;
}

.showcase-item-update .showcase-copy .number {
  width: fit-content;
  height: 34px;
  padding: 0 14px;
  margin-bottom: 12px;
  border-radius: 999px;
  font-size: 14px;
}

.showcase-copy h3 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.04em;
}

.showcase-copy p {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.feature-grid article {
  padding: 24px;
}

.feature-grid img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.feature-grid h3,
.video-card h3 {
  margin: 14px 0 8px;
  font-size: 21px;
}

.feature-grid p,
.video-card p,
.control-table span {
  line-height: 1.7;
}

.split {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 28px;
  align-items: start;
}

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

.steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 18px;
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--primary);
  background: #e5efff;
  font-weight: 900;
}

.steps b,
.steps span {
  display: block;
}

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

.control-table article {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 14px;
  padding: 18px;
  align-items: start;
}

.control-table b {
  color: var(--primary);
}

.control-table code {
  padding: 2px 6px;
  border-radius: 8px;
  color: #2468d7;
  background: #edf4ff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.video-card {
  overflow: hidden;
  padding: 14px;
}

.video-placeholder {
  min-height: unset;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  border: 2px dashed #b9d1fa;
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #f4f8ff);
  text-align: center;
}

.showcase-item .video-placeholder {
  min-height: 240px;
}

.video-placeholder span {
  color: var(--primary);
  font-size: 38px;
  font-weight: 900;
}

.video-placeholder b {
  font-size: 22px;
}

.video-placeholder small {
  color: var(--muted);
  font-weight: 800;
}

.video-placeholder.has-video {
  display: block;
  overflow: hidden;
  padding: 0;
  border-style: solid;
  background: #000;
}

.video-placeholder video {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  max-width: 1500px;
  margin: 0 auto;
  padding: 28px 24px 42px;
  border-top: 1px solid var(--line);
}

footer span:first-child {
  color: var(--text);
  font-weight: 900;
}

.cta-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.cta-section h2 {
  margin: 6px 0 8px;
  font-size: clamp(26px, 3vw, 40px);
}

.cta-section p {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-weight: 800;
  line-height: 1.75;
}

.skill-section {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(52, 120, 246, 0.08), rgba(121, 179, 255, 0.06)),
    rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.skill-list {
  display: grid;
  gap: 14px;
}

.skill-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px;
  gap: 18px;
  align-items: center;
  padding: 20px 22px;
  border: 1px solid rgba(139, 173, 225, 0.36);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 12px 28px rgba(44, 93, 160, 0.08);
}

.skill-card b,
.skill-card span {
  display: block;
}

.skill-card b {
  margin-bottom: 6px;
  color: var(--text);
  font-size: 20px;
}

.skill-card span {
  color: var(--muted);
  font-weight: 800;
  line-height: 1.7;
}

.skill-card button {
  width: 76px;
  height: 76px;
  justify-self: end;
  border: 1px solid #b9d1fa;
  border-radius: 22px;
  color: var(--primary);
  background: #fff;
  box-shadow: 0 12px 26px rgba(44, 93, 160, 0.1);
  cursor: pointer;
  font-size: 34px;
  font-weight: 900;
}

.skill-card button:hover {
  color: #fff;
  background: linear-gradient(145deg, var(--primary), var(--primary-2));
}

@media (max-width: 940px) {
  .hero,
  .split,
  .showcase-item {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-card {
    max-width: none;
  }

  .hero-media {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    white-space: normal;
  }

  .hero-shot-export {
    grid-column: auto;
    grid-row: auto;
  }

  .showcase-copy {
    min-height: auto;
  }

  .showcase-item-update {
    grid-template-columns: 1fr;
  }

  .feature-visual {
    min-height: 190px;
  }

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

@media (max-width: 660px) {
  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .intro-columns {
    grid-template-columns: 1fr;
  }

  .cta-section {
    align-items: flex-start;
    flex-direction: column;
  }

  .skill-card {
    grid-template-columns: 1fr;
  }

  .skill-card button {
    justify-self: start;
  }

  .feature-grid,
  .video-grid,
  .control-table {
    grid-template-columns: 1fr;
  }

  .control-table article {
    grid-template-columns: 1fr;
  }
}

.admin-main {
  max-width: 1040px;
}

.admin-main-split {
  max-width: 1680px;
  display: grid;
  grid-template-columns: minmax(420px, 0.52fr) minmax(680px, 0.48fr);
  gap: 22px;
  align-items: start;
}

.admin-panel {
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.admin-form {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.admin-form label,
.admin-feature {
  display: grid;
  gap: 8px;
}

.admin-form span,
.admin-feature legend {
  color: var(--text);
  font-size: 15px;
  font-weight: 900;
}

.admin-form input,
.admin-form textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--text);
  font: inherit;
  line-height: 1.6;
}

.admin-note {
  margin: 14px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(52, 120, 246, 0.18);
  border-radius: 14px;
  color: #2a5db8;
  background: #edf4ff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.7;
}

.admin-login {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.admin-login span {
  color: var(--text);
  font-size: 15px;
  font-weight: 900;
}

.admin-login input {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--text);
  font: inherit;
}

.admin-preview-panel {
  position: sticky;
  top: 86px;
  overflow: hidden;
  min-height: calc(100vh - 120px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.admin-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.admin-preview-head b {
  font-size: 16px;
}

.admin-preview-head span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.admin-preview-panel iframe {
  width: 100%;
  height: calc(100vh - 170px);
  border: 0;
  background: #fff;
}

.admin-feature {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.admin-actions button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.admin-status {
  min-height: 24px;
  color: var(--primary);
  font-weight: 800;
}

@media (max-width: 1180px) {
  .admin-main-split {
    grid-template-columns: 1fr;
  }

  .admin-preview-panel {
    position: static;
  }
}