:root {
  color-scheme: dark;
  --bg: #06111f;
  --panel: rgba(13, 25, 42, .78);
  --line: rgba(116, 155, 255, .16);
  --text: #eef7ff;
  --muted: rgba(227, 237, 255, .68);
  --blue: #1f8fff;
  --violet: #8f5cff;
  --cyan: #14d8ff;
  --font-sans: "Source Han Sans SC", "Source Han Sans", "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-sans);
  color: var(--text);
  background: #02020a;
  letter-spacing: 0;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.home-app {
  min-height: 100vh;
  overflow: hidden;
  background: #02020a;
}
.home-app::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(54, 172, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(54, 172, 255, .035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 72%);
}
.site-header {
  height: 100px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 0 clamp(24px, 4vw, 66px);
  border-bottom: 1px solid rgba(112, 168, 255, .14);
  background: rgba(3, 11, 20, .7);
  backdrop-filter: blur(18px);
}
.brand, .header-actions { display: flex; align-items: center; }
.brand { gap: 12px; font-size: clamp(26px, 2vw, 38px); font-weight: 700; white-space: nowrap; }
.brand-logo {
  position: relative;
  width: 58px;
  height: 58px;
  flex: 0 0 58px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 9px;
  filter: drop-shadow(0 0 18px rgba(45, 166, 255, .36));
}
.brand-logo::after {
  content: "";
  position: absolute;
  inset: -18px;
  background: linear-gradient(115deg, transparent 35%, rgba(255,255,255,.68) 48%, transparent 61%);
  transform: translateX(-95%) rotate(8deg);
  animation: brand-logo-shine 5s ease-in-out infinite;
  pointer-events: none;
}
.brand-logo img { display: block; width: 100%; height: 100%; object-fit: cover; }
.brand-text { display: inline-flex; align-items: baseline; gap: 0; font-weight: 700; letter-spacing: 0; }
.brand-text span { color: #225cff; }
.header-notice {
  justify-self: center;
  width: 520px;
  min-width: 520px;
  max-width: calc(100vw - 420px);
  flex: 0 0 520px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  border: 1px solid rgba(116, 155, 255, .2);
  border-radius: 8px;
  color: rgba(229, 238, 255, .84);
  background: rgba(8, 16, 28, .42);
  backdrop-filter: blur(10px);
  cursor: pointer;
  overflow: hidden;
}
.header-notice b {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 15px;
  font-weight: 400;
}
.header-actions { justify-content: flex-end; gap: 24px; }
.home-account {
  min-width: 210px;
  max-width: 260px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  justify-self: end;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(8, 16, 28, .42);
  color: #eaf2ff;
}
.home-account i {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 50%;
  background: linear-gradient(135deg, #2c73ff, #8a54f5);
  color: #fff;
  font-style: normal;
  font-weight: 600;
}
.home-account i img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.home-account span {
  min-width: 0;
  display: grid;
  gap: 3px;
}
.home-account b,
.home-account small {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.home-account b { font-size: 14px; font-weight: 500; }
.home-account small { color: rgba(220, 232, 255, .62); font-size: 11px; }
.ghost-button, .primary-button, .hero-cta {
  min-width: 142px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 600;
}
.ghost-button { border: 1px solid rgba(77, 126, 255, .78); background: rgba(7, 17, 33, .55); }
.primary-button, .hero-cta { background: linear-gradient(100deg, #1ba8ff, #8c56ff); box-shadow: 0 16px 38px rgba(43, 130, 255, .25); }
main { width: min(1800px, calc(100% - 88px)); margin: 0 auto; }
.notice-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #14d8ff;
  box-shadow: 0 0 16px #14d8ff;
}
.hero-section {
  position: relative;
  min-height: 470px;
  --hero-bg-top: 0px;
  --hero-scene-x: 68%;
  --hero-bg-width: clamp(1740px, 116vw, 2340px);
  --hero-bg-x: var(--hero-scene-x);
  --hero-bg-shift: -67.6%;
  --hero-x-width: clamp(290px, 19.5vw, 390px);
  --hero-x-left: var(--hero-scene-x);
  --hero-x-top: 48px;
  display: grid;
  grid-template-columns: minmax(360px, .82fr) minmax(560px, 1.38fr);
  align-items: center;
  gap: 30px;
}
.hero-section::before {
  content: "";
  position: absolute;
  width: var(--hero-bg-width);
  aspect-ratio: 3840 / 1350;
  left: var(--hero-bg-x);
  top: var(--hero-bg-top);
  transform: translateX(var(--hero-bg-shift));
  background: url("/images/home-bj2.jpg") center top / 100% auto no-repeat;
  pointer-events: none;
  z-index: 0;
}
.hero-copy { position: relative; z-index: 2; padding-left: clamp(0px, 4vw, 76px); padding-top: 12px; }
.hero-copy h1 {
  margin: 0;
  font-size: clamp(42px, 4.4vw, 72px);
  line-height: 1.08;
  font-weight: 700;
  white-space: nowrap;
}
.hero-copy h1 span {
  color: #b975ff;
  text-shadow: 0 0 24px rgba(138, 86, 255, .32);
}
.hero-kicker { margin: 22px 0 0; color: rgba(236, 242, 255, .78); font-size: clamp(18px, 1.75vw, 28px); font-weight: 600; white-space: nowrap; }
.hero-subtitle { margin: 22px 0 36px; color: rgba(226, 236, 255, .58); font-size: 20px; font-weight: 400; }
.hero-cta { width: 214px; min-width: 214px; }
.hero-stage {
  position: absolute;
  inset: 0;
  height: 100%;
  transform-style: preserve-3d;
  perspective: 1000px;
  isolation: isolate;
  pointer-events: none;
}
.hero-x {
  position: absolute;
  width: var(--hero-x-width);
  aspect-ratio: 500 / 451;
  max-width: none;
  min-width: 0;
  left: var(--hero-x-left);
  top: var(--hero-x-top);
  --drag-x: 0px;
  --drag-y: 0px;
  display: block;
  transform: translateX(-50%);
  background: url("/images/X.png") center / contain no-repeat;
  filter: drop-shadow(0 0 28px rgba(45, 173, 255, .62)) drop-shadow(0 0 45px rgba(145, 85, 255, .6));
  animation: floatX 6s ease-in-out infinite;
  cursor: none;
  user-select: none;
  -webkit-touch-callout: none;
  touch-action: none;
  pointer-events: auto;
  transition: filter .2s ease;
  z-index: 3;
}
.hero-x.is-dragging {
  animation: none;
  cursor: none;
  filter: drop-shadow(0 0 34px rgba(45, 188, 255, .78)) drop-shadow(0 0 58px rgba(155, 92, 255, .72));
  transition: none;
  transform: translateX(-50%) translate3d(var(--drag-x), var(--drag-y), 0) scale(1.035);
}
.hero-cursor {
  position: fixed;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(77, 204, 255, .72);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(141, 91, 255, .38) 0 18%, transparent 19%),
    conic-gradient(from 90deg, rgba(39, 196, 255, .95), rgba(151, 82, 255, .7), rgba(39, 196, 255, .95));
  box-shadow: 0 0 16px rgba(39, 196, 255, .48), 0 0 28px rgba(145, 91, 255, .34);
  opacity: 0;
  pointer-events: none;
  transform: translate3d(-50px, -50px, 0);
  transition: opacity .16s ease;
  z-index: 50;
  mix-blend-mode: screen;
}
.hero-cursor::before,
.hero-cursor::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 52px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(86, 210, 255, .82), transparent);
  transform: translate(-50%, -50%);
}
.hero-cursor::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.hero-cursor.is-visible { opacity: 1; }
.hero-x.is-returning {
  animation: none;
  transition: transform .62s cubic-bezier(.2, .9, .22, 1), filter .28s ease;
  transform: translateX(-50%) translate3d(var(--drag-x), var(--drag-y), 0);
}
.module-grid {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-top: -72px;
}
.module-card {
  position: relative;
  min-height: clamp(150px, 10.2vw, 198px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(14px, 1.1vw, 20px) clamp(15px, 1.05vw, 19px) clamp(12px, .85vw, 15px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(15, 29, 49, .86), rgba(11, 24, 39, .62));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04), 0 16px 48px rgba(0,0,0,.16);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.module-card:hover { transform: translateY(-4px); border-color: rgba(86, 170, 255, .42); background: rgba(18, 34, 57, .9); }
.module-card h2 {
  width: calc(100% - 96px);
  margin: 0;
  font-size: 26px;
  line-height: 1.14;
  font-weight: 500;
  overflow-wrap: anywhere;
  word-break: break-word;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.module-card p {
  width: calc(100% - 96px);
  min-height: 0;
  margin: clamp(8px, .75vw, 14px) 0 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 16px;
  font-weight: 400;
  overflow-wrap: anywhere;
  word-break: break-word;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.module-card b {
  max-width: 100%;
  width: fit-content;
  margin-top: clamp(12px, 1.45vw, 20px);
  padding: 8px 12px;
  border: 1px solid currentColor;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.module-icon {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: transparent;
  box-shadow: none;
}
.module-icon img { width: 100%; height: 100%; object-fit: contain; display: block; }
.module-blue { --accent: #4d67ff; color: #4f8bff; }
.module-sky { --accent: #2297ff; color: #36a9ff; }
.module-teal { --accent: #07d3c7; color: #11d7ad; }
.module-pink { --accent: #df4dff; color: #f15cff; }
.module-orange { --accent: #ff872c; color: #ff852c; }
.module-cyan { --accent: #12bdff; color: #16caff; }
.tutorial-panel {
  margin-top: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(13, 26, 44, .74);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 14px; }
.section-head h2 { margin: 0; font-size: 24px; color: #eaf7ff; font-weight: 600; }
.section-head h2::before { content: "⌘"; margin-right: 8px; color: #1bdcff; }
.section-head p { margin: 8px 0 0; color: var(--muted); font-size: 16px; }
.section-head a { color: rgba(196, 213, 255, .8); white-space: nowrap; }
.tutorial-carousel {
  position: relative;
  overflow: visible;
  padding: 0;
}
.tutorial-scroll {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 280px;
  gap: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 4px 0 10px;
  scroll-behavior: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.tutorial-scroll::-webkit-scrollbar { display: none; }
.tutorial-scroll.is-animating { scroll-snap-type: none; }
.carousel-arrow {
  position: absolute;
  top: 50%;
  width: 26px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 0;
  color: rgba(235, 242, 255, .72);
  background: transparent;
  cursor: pointer;
  transform: translateY(-50%);
  font-family: Arial, sans-serif;
  font-size: 42px;
  font-weight: 300;
  text-shadow: 0 0 16px rgba(54, 172, 255, .14);
  z-index: 2;
}
.carousel-arrow:hover { color: #fff; }
.carousel-arrow:focus-visible { outline: 2px solid rgba(69, 180, 255, .72); outline-offset: 2px; }
.carousel-arrow-left { left: -46px; }
.carousel-arrow-right { right: -46px; }
.tutorial-card {
  overflow: hidden;
  border: 1px solid rgba(96, 141, 225, .12);
  border-radius: 8px;
  background: rgba(5, 14, 27, .64);
}
.tutorial-card {
  display: block;
  padding: 0;
  color: inherit;
  text-align: left;
  font: inherit;
  appearance: none;
  border: 1px solid rgba(96, 141, 225, .12);
  cursor: pointer;
}
.tutorial-thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: linear-gradient(135deg, rgba(38, 151, 255, .28), rgba(145, 85, 255, .2)); }
.tutorial-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .25s ease; }
.tutorial-card:hover img { transform: scale(1.04); }
.play-dot {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,.28);
  backdrop-filter: blur(8px);
}
.play-dot::before { content: ""; margin-left: 3px; border-left: 14px solid #fff; border-top: 9px solid transparent; border-bottom: 9px solid transparent; }
.tag {
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(0,0,0,.58);
  color: #ffd65a;
  font-weight: 600;
}
.duration {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 3px 7px;
  border-radius: 10px;
  background: rgba(0, 0, 0, .58);
  color: rgba(255,255,255,.88);
  font-size: 13px;
}
.tutorial-body { padding: 10px 12px 12px; }
.tutorial-body h3 {
  margin: 0;
  color: #edf5ff;
  font-size: 16px;
  line-height: 1.2;
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tutorial-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 13px;
  color: rgba(214, 225, 247, .52);
  font-size: 13px;
  line-height: 1.2;
  font-weight: 400;
}
.tutorial-meta span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tutorial-meta .view-count {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.tutorial-meta .view-icon {
  width: 13px;
  height: 13px;
  object-fit: contain;
  flex: 0 0 auto;
  opacity: .74;
}
.partners {
  width: min(100%, 980px);
  min-height: 0;
  margin: 22px auto 0;
  padding: 10px 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: rgba(206, 216, 238, .46);
  font-size: 13px;
  line-height: 1.25;
  font-weight: 400;
}
.partners span {
  color: rgba(206, 216, 238, .5);
}
.partners b {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border: 1px solid rgba(141, 162, 205, .1);
  border-radius: 999px;
  background: rgba(9, 18, 31, .28);
  font-size: inherit;
  line-height: inherit;
  color: rgba(206, 216, 238, .48);
  font-weight: 400;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}
.partners b:hover {
  color: rgba(226, 235, 255, .72);
  border-color: rgba(141, 162, 205, .18);
  background: rgba(13, 27, 46, .42);
}
.site-footer {
  width: min(100%, 980px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding: 14px 0 30px;
  border-top: 1px solid rgba(141, 162, 205, .09);
  color: #596472;
  font-size: 14px;
  line-height: 1.6;
}
.site-footer a {
  color: #697585;
  font-weight: 500;
}
.site-footer a:hover { color: #8793a4; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(2, 8, 16, .72);
  backdrop-filter: blur(10px);
}
.modal[hidden] { display: none; }
.modal-card {
  width: min(680px, 100%);
  max-height: min(720px, 86vh);
  overflow: auto;
  position: relative;
  padding: 28px;
  border: 1px solid rgba(96, 151, 255, .24);
  border-radius: 8px;
  background: #0b1727;
  box-shadow: 0 28px 90px rgba(0,0,0,.48);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 8px;
  color: #fff;
  background: rgba(255,255,255,.06);
  cursor: pointer;
}
.notice-list { display: grid; gap: 12px; }
.notice-item {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.notice-item time { color: #64d7ff; font-size: 14px; }
.notice-item a, .notice-item strong { font-size: 17px; color: #fff; font-weight: 400; }
.notice-item p { margin: 0; color: var(--muted); line-height: 1.6; }

.player {
  width: min(980px, 100%);
  border: 1px solid rgba(112,168,255,.22);
  border-radius: 8px;
  background: #07101f;
  padding: 16px;
}
.player-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.player-head h2 { margin: 0; font-size: 20px; font-weight: 600; }
.close {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 8px;
  color: #fff;
  background: rgba(255,255,255,.06);
  cursor: pointer;
}
.player-frame { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: 8px; background: #000; }
video.player-frame { object-fit: contain; }

@keyframes floatX {
  0%, 100% { transform: translateX(-50%) translate3d(var(--drag-x), var(--drag-y), 0) rotateY(-5deg); }
  50% { transform: translateX(-50%) translate3d(var(--drag-x), calc(var(--drag-y) - 18px), 0) rotateY(5deg); }
}
@keyframes pulseGlow {
  0%, 100% { opacity: .78; transform: scaleX(.96); }
  50% { opacity: 1; transform: scaleX(1.04); }
}
@keyframes brand-logo-shine {
  0%, 28% { transform: translateX(-95%) rotate(8deg); opacity: 0; }
  42% { opacity: .9; }
  62%, 100% { transform: translateX(95%) rotate(8deg); opacity: 0; }
}
@media (max-width: 1700px) and (min-width: 1281px) {
  main { width: min(1480px, calc(100% - 54px)); }
  .hero-section {
    --hero-bg-width: clamp(1740px, 120vw, 2280px);
    --hero-x-width: clamp(290px, 20vw, 380px);
    --hero-scene-x: 68%;
  }
  .module-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .module-card h2 { width: calc(100% - 82px); }
  .module-card p { width: calc(100% - 82px); }
}
@media (max-width: 1100px) and (min-width: 861px) {
  .header-notice {
    display: none;
  }
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }
  .hero-section {
    min-height: 760px;
    grid-template-columns: 1fr;
    gap: 0;
    align-items: start;
  }
  .hero-stage {
    height: 100%;
  }
  .hero-section {
    --hero-bg-width: clamp(1500px, 180vw, 1980px);
    --hero-x-width: clamp(250px, 30vw, 330px);
    --hero-scene-x: 50%;
    --hero-x-top: 56px;
  }
  .hero-copy {
    padding-left: 0;
  }
}
@media (max-width: 1280px) {
  main { width: min(1120px, calc(100% - 44px)); }
  .hero-section {
    --hero-bg-width: clamp(1488px, 144vw, 1980px);
    --hero-x-width: clamp(248px, 24vw, 330px);
    --hero-scene-x: 68%;
  }
  .module-grid { grid-template-columns: repeat(3, 1fr); }
  .module-card h2 { width: calc(100% - 82px); }
  .module-card p { width: calc(100% - 82px); }
  .tutorial-scroll { grid-auto-columns: 260px; }
  .site-header { grid-template-columns: auto minmax(0, 1fr) auto; }
}
@media (max-width: 1100px) and (min-width: 861px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }
  .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .module-card { min-height: clamp(172px, 20vw, 220px); }
}
@media (max-width: 860px) {
  .site-header { height: auto; grid-template-columns: 1fr auto; padding: 14px 14px; gap: 12px; }
  .brand-logo { width: 40px; height: 40px; flex-basis: 40px; }
  .brand { font-size: 22px; }
  .header-notice { display: none; }
  .header-actions { gap: 8px; }
  .home-account {
    min-width: 0;
    max-width: 168px;
    height: 40px;
    max-height: 40px;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 6px;
    padding: 4px 7px;
    align-self: center;
  }
  .home-account i { width: 32px; height: 32px; }
  .home-account span { gap: 1px; }
  .home-account b { font-size: 11px; line-height: 1; }
  .home-account small { font-size: 8.5px; line-height: 1; }
  .ghost-button, .primary-button { min-width: 62px; height: 34px; padding: 0 12px; font-size: 14px; border-radius: 7px; }
  main { width: calc(100% - 28px); }
  .hero-section { min-height: 506px; grid-template-columns: 1fr; gap: 0; align-items: start; text-align: center; }
  .hero-copy { width: 100%; padding: 0; margin-top: 300px; text-align: center; }
  .hero-copy h1 { font-size: clamp(27px, 7vw, 38px); line-height: 1.02; white-space: normal; }
  .hero-kicker { margin-top: 10px; font-size: 15px; line-height: 1.22; white-space: nowrap; }
  .hero-subtitle { margin: 9px 0 14px; font-size: 13px; line-height: 1.25; }
  .hero-cta { width: 152px; min-width: 152px; height: 36px; margin: 0 auto; font-size: 13px; border-radius: 7px; box-shadow: 0 10px 24px rgba(43, 130, 255, .2); }
  .hero-stage {
    height: 100%;
  }
  .hero-section {
    --hero-bg-width: clamp(1160px, 306vw, 1400px);
    --hero-bg-top: 0px;
    --hero-x-width: clamp(200px, 52vw, 238px);
    --hero-scene-x: 50%;
    --hero-x-top: 40px;
  }
  .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 10px; }
  .module-card { min-height: clamp(118px, 31vw, 136px); padding: 12px 10px 10px; }
  .module-card h2 { width: calc(100% - 44px); font-size: 18px; line-height: 1.18; font-weight: 650; }
  .module-card p { width: calc(100% - 52px); margin-top: 6px; font-size: 11.5px; line-height: 1.34; white-space: normal; -webkit-line-clamp: 2; }
  .module-card b { display: inline-flex; align-items: center; gap: 4px; margin-top: auto; padding: 5px 8px; border-radius: 6px; font-size: 11.5px; line-height: 1.1; }
  .module-icon { width: 34px; height: 34px; top: 11px; right: 10px; }
  .tutorial-panel { padding: 18px 12px; margin-top: 14px; }
  .tutorial-carousel { padding: 0 22px; overflow: hidden; }
  .carousel-arrow { display: grid; width: 16px; height: 34px; font-size: 26px; color: rgba(235, 242, 255, .72); }
  .carousel-arrow-left { left: -3px; }
  .carousel-arrow-right { right: 3px; }
  .tutorial-scroll { grid-auto-columns: calc((100% - 10px) / 2); gap: 10px; padding-bottom: 4px; }
  .tutorial-card { min-width: 0; }
  .play-dot { width: 30px; height: 30px; }
  .play-dot::before { margin-left: 2px; border-left-width: 9px; border-top-width: 6px; border-bottom-width: 6px; }
  .duration { right: 5px; bottom: 5px; padding: 1px 4px; border-radius: 6px; font-size: 7px; line-height: 1.15; }
  .tutorial-body { padding: 7px 7px 8px; }
  .tutorial-body h3 { font-size: 12px; line-height: 1.14; }
  .tutorial-meta { margin-top: 5px; font-size: 10.5px; line-height: 1.12; }
  .section-head { align-items: flex-start; }
  .section-head h2 { font-size: 21px; line-height: 1.16; }
  .section-head p { margin-top: 8px; font-size: 13px; line-height: 1.35; }
  .section-head a { font-size: 14px; }
  .partners { width: 100%; margin-top: 18px; padding: 10px 10px 10px; justify-content: center; gap: 4px 7px; text-align: center; font-size: 11.5px; line-height: 1.12; }
  .partners span { flex: 0 0 100%; font-size: inherit; line-height: inherit; }
  .partners b { min-height: 18px; padding: 0 7px; font-size: inherit; line-height: 1; }
  .site-footer {
    width: min(100%, 620px);
    max-width: calc(100% - 20px);
    margin: 0 auto;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 6px;
    padding: 10px 0 28px;
    font-size: 8px;
    line-height: 1;
    white-space: nowrap;
    transform: scale(.78);
    transform-origin: center top;
  }
}
@media (max-width: 640px) {
  main { width: calc(100% - 20px); }
  .hero-copy h1 { font-size: clamp(27px, 7.4vw, 38px); }
  .hero-kicker { font-size: 14px; }
  .module-grid { gap: 10px; }
  .module-card { padding: 10px 9px; }
  .module-card h2 { width: calc(100% - 38px); font-size: 17px; line-height: 1.16; }
  .module-card p { width: calc(100% - 48px); margin-top: 5px; font-size: 11px; line-height: 1.3; }
  .module-icon { width: 30px; height: 30px; top: 10px; right: 9px; }
  .tutorial-panel { padding: 16px 10px; }
  .tutorial-carousel { padding: 0 18px; }
  .tutorial-scroll { grid-auto-columns: calc((100% - 8px) / 2); gap: 8px; }
}
@media (max-width: 380px) {
  .brand { font-size: 21px; }
  .ghost-button, .primary-button { min-width: 56px; height: 32px; font-size: 13px; padding: 0 9px; }
  .home-account { max-width: 132px; }
  .hero-section {
    --hero-bg-width: clamp(1120px, 306vw, 1320px);
    --hero-x-width: clamp(196px, 52vw, 226px);
  }
  .module-card { min-height: 116px; }
  .module-card h2 { font-size: 16px; font-weight: 650; }
  .module-card p { font-size: 10.5px; line-height: 1.26; }
  .module-card b { font-size: 10.5px; }
  .module-icon { width: 28px; height: 28px; }
  .carousel-arrow-left { left: 3px; }
  .carousel-arrow-right { right: 3px; }
}
@media (max-width: 340px) {
  main { width: calc(100% - 16px); }
  .ghost-button, .primary-button { min-width: 52px; height: 30px; font-size: 12px; padding: 0 8px; }
  .hero-copy h1 { font-size: 25px; }
  .hero-kicker { font-size: 12.5px; }
  .hero-subtitle { font-size: 12px; }
  .hero-cta { width: 142px; min-width: 142px; height: 34px; font-size: 12.5px; }
  .module-card h2 { font-size: 15px; }
  .module-card p { width: calc(100% - 44px); font-size: 10px; line-height: 1.22; -webkit-line-clamp: 2; }
  .module-icon { width: 26px; height: 26px; }
  .tutorial-carousel { padding: 0 16px; }
  .tutorial-body h3 { font-size: 11.5px; }
  .tutorial-meta { font-size: 10px; gap: 5px; }
}