:root {
  color-scheme: light;
  --accent: #ef6220;
  --accent-soft: rgba(239, 98, 32, 0.14);
  --ink: #111318;
  --muted: #667085;
  --subtle: #8a93a3;
  --paper: #ffffff;
  --wash: #f7f8fb;
  --warm: #fff6f0;
  --line: rgba(17, 19, 24, 0.09);
  --dark: #111318;
  --dark-2: #191d25;
  --shadow: 0 24px 70px rgba(17, 19, 24, 0.14);
  --soft-shadow: 0 18px 46px rgba(17, 19, 24, 0.1);
  --radius: 22px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", Georgia, serif;
  --slow-hover: 2200ms cubic-bezier(0.19, 1, 0.22, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 3%, rgba(239, 98, 32, 0.1), transparent 24rem),
    linear-gradient(180deg, #ffffff 0%, #f8f9fb 42%, #ffffff 100%);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.65;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(17, 19, 24, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 19, 24, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.28), transparent 54%);
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

code {
  padding: 0.14em 0.36em;
  border-radius: 7px;
  background: rgba(239, 98, 32, 0.1);
  color: #c44710;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  width: 100%;
  border-bottom: 1px solid rgba(17, 19, 24, 0.06);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(22px);
  box-shadow: 0 12px 32px rgba(17, 19, 24, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 820;
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 12px 26px rgba(239, 98, 32, 0.26);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 10px 28px rgba(17, 19, 24, 0.08);
}

.nav a {
  position: relative;
  overflow: hidden;
  padding: 8px 14px;
  border-radius: 999px;
  color: #303746;
  font-size: 14px;
  font-weight: 760;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.nav a:hover {
  background: #f2f4f7;
  color: #171a22;
  transform: translateY(-1px);
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 900px;
  padding: 112px 0 86px;
}

.hero-backdrop {
  position: absolute;
  inset: 0 0 auto;
  height: 620px;
  pointer-events: none;
  background:
    radial-gradient(circle at 80% 16%, rgba(239, 98, 32, 0.16), transparent 22rem),
    linear-gradient(180deg, rgba(255, 246, 240, 0.78), transparent);
}

.hero-stage {
  position: relative;
  width: min(1240px, calc(100% - 32px));
  min-height: 720px;
  margin: 0 auto;
  padding: 80px 0 0;
}

.hero-copy {
  position: relative;
  z-index: 3;
  width: min(1120px, 100%);
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-weight: 820;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--accent);
}

.hero h1,
.section-heading h2,
.feature-copy h2,
.download-section h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 56px;
  line-height: 1.12;
  font-weight: 850;
  letter-spacing: 0;
}

.hero h1 {
  font-size: 64px;
}

.lead {
  width: min(760px, 100%);
  margin: 26px auto 0;
  color: #3f4756;
  font-size: 21px;
  line-height: 1.72;
}

.hero-notes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}

.hero-notes span {
  padding: 9px 14px;
  border: 1px solid rgba(239, 98, 32, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  color: #4d5565;
  font-size: 14px;
  font-weight: 760;
  box-shadow: 0 10px 26px rgba(17, 19, 24, 0.06);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  min-height: 50px;
  overflow: hidden;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  transform: translate3d(var(--mx, 0), var(--my, 0), 0);
  transition:
    transform 1400ms cubic-bezier(0.19, 1, 0.22, 1),
    box-shadow 1400ms cubic-bezier(0.19, 1, 0.22, 1),
    background 420ms ease,
    border-color 420ms ease;
}

.button:hover {
  transform: translate3d(var(--mx, 0), calc(var(--my, 0) - 2px), 0) scale(1.025);
}

.button.primary {
  background: linear-gradient(135deg, #ff8a4a, var(--accent));
  color: #fff;
  box-shadow: 0 16px 36px rgba(239, 98, 32, 0.32);
}

.button.ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.82);
  color: #252b36;
  box-shadow: 0 12px 28px rgba(17, 19, 24, 0.08);
}

.button.light {
  background: #fff;
  color: #151922;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.2);
}

.button .ripple {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
  pointer-events: none;
  transform: translate(-50%, -50%) scale(1);
  animation: ripple 620ms ease-out forwards;
}

.hero-media {
  position: relative;
  z-index: 2;
  width: min(1080px, 96%);
  margin: 58px auto 0;
  transform: translate3d(0, calc(var(--scroll-shift, 0) * -34px), 0) rotateX(0.01deg);
  transform-style: preserve-3d;
}

.hero-media::before {
  position: absolute;
  inset: 18% 3% -8%;
  z-index: -1;
  border-radius: 40px;
  content: "";
  background: rgba(239, 98, 32, 0.18);
  filter: blur(46px);
}

.hero-media img,
.media-shell img,
.ai-card img,
.compare-item img {
  width: 100%;
}

.hero-media img {
  border-radius: 28px;
  filter: drop-shadow(0 42px 78px rgba(17, 19, 24, 0.24));
}

.hero-media img,
.media-shell img,
.compare-item img,
.ai-card img {
  transform-origin: center center;
  transition:
    transform var(--slow-hover),
    filter var(--slow-hover),
    box-shadow var(--slow-hover);
}

.hero-media:hover img,
.media-shell:hover img,
.compare-item:hover img,
.ai-card:hover img {
  transform: scale(1.025);
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 92px 0;
}

.section-heading {
  width: min(780px, 100%);
  margin: 0 auto 58px;
  text-align: center;
}

.section-heading p:not(.eyebrow) {
  margin: 34px auto 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 18px;
  text-align: justify;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  align-items: center;
  gap: 54px;
}

.intro-text p,
.feature-copy p,
.ai-card p,
.download-section p,
.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  text-align: justify;
}

.intro-text p + p,
.feature-copy p + p {
  margin-top: 20px;
}

.statement,
.quote {
  color: var(--ink) !important;
  font-size: 17px !important;
  font-weight: 850;
  line-height: 1.65;
}

.quote {
  display: inline-block;
  padding: 13px 16px;
  border-left: 4px solid var(--accent);
  border-radius: 0 14px 14px 0;
  background: var(--warm);
}

.media-shell {
  overflow: hidden;
  margin: 0;
  padding: 8px;
  border: 1px solid rgba(17, 19, 24, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
  transform: perspective(1200px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  transition:
    transform 1600ms cubic-bezier(0.19, 1, 0.22, 1),
    box-shadow 1600ms cubic-bezier(0.19, 1, 0.22, 1);
}

.plain-media {
  overflow: visible;
  margin: 0;
  transform: perspective(1200px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  transition:
    transform 1600ms cubic-bezier(0.19, 1, 0.22, 1),
    filter 1600ms cubic-bezier(0.19, 1, 0.22, 1);
}

.plain-media img {
  width: 100%;
  border-radius: 22px;
  box-shadow: var(--shadow);
  transform-origin: center center;
  transition:
    transform var(--slow-hover),
    box-shadow var(--slow-hover);
}

.plain-media:hover img {
  transform: scale(1.025);
  box-shadow: 0 34px 84px rgba(17, 19, 24, 0.18);
}

.media-shell img {
  border-radius: 16px;
}

.media-shell figcaption {
  padding: 6px 8px 12px;
  color: var(--subtle);
  font-size: 13px;
  font-weight: 800;
}

.lift-on-hover:hover,
.tilt-card:hover {
  box-shadow: 0 34px 84px rgba(17, 19, 24, 0.18);
}

.feature-lead {
  padding-bottom: 34px;
}

.feature-panel {
  position: relative;
  padding: 96px 0;
}

.panel-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: 54px;
}

.feature-copy h2 {
  margin-bottom: 36px;
}

.split.reverse {
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
}

.split.reverse .feature-copy {
  order: 2;
}

.light-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(247, 248, 251, 0.78), rgba(255, 255, 255, 0));
}

.gallery-panel {
  padding: 108px 0 116px;
  background:
    radial-gradient(circle at 22% 18%, rgba(239, 98, 32, 0.12), transparent 24rem),
    linear-gradient(180deg, #ffffff 0%, #fffaf6 100%);
}

.dark-panel,
.ai-section {
  background:
    radial-gradient(circle at 80% 12%, rgba(239, 98, 32, 0.22), transparent 20rem),
    linear-gradient(135deg, var(--dark), var(--dark-2));
  color: #fff;
}

.dark-panel .feature-copy p,
.ai-section .section-heading p,
.ai-card p {
  color: rgba(255, 255, 255, 0.72);
}

.dark-panel .media-shell {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 76px rgba(0, 0, 0, 0.36);
}

.dark-panel .plain-media img,
.dark-media img {
  box-shadow: 0 28px 76px rgba(0, 0, 0, 0.36);
}

.number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border: 1px solid rgba(239, 98, 32, 0.22);
  border-radius: 999px;
  background: rgba(239, 98, 32, 0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.centered {
  width: min(760px, 100%);
  margin: 0 auto 42px;
  text-align: center;
}

.centered p {
  text-align: justify;
}

.theme-gallery {
  position: relative;
  min-height: 680px;
  --spread: 1;
}

.theme-shot {
  position: absolute;
  width: min(660px, 60%);
  border-radius: 28px;
  filter: drop-shadow(0 30px 58px rgba(17, 19, 24, 0.18));
  scale: 1;
  will-change: transform, scale, filter;
  transition:
    transform var(--slow-hover),
    opacity 1300ms ease,
    scale var(--slow-hover),
    filter var(--slow-hover);
}

.theme-shot:hover {
  z-index: 10;
  scale: 1.035;
  filter: drop-shadow(0 44px 86px rgba(17, 19, 24, 0.24));
}

.shot-a {
  left: 0;
  top: 34px;
  transform: translate3d(calc(var(--spread) * -24px), calc(var(--spread) * 8px), 0) rotate(calc(var(--spread) * -4deg));
}

.shot-b {
  right: 0;
  top: 0;
  transform: translate3d(calc(var(--spread) * 28px), calc(var(--spread) * 16px), 0) rotate(calc(var(--spread) * 5deg));
}

.shot-c {
  left: 9%;
  bottom: 0;
  transform: translate3d(calc(var(--spread) * -18px), calc(var(--spread) * -8px), 0) rotate(calc(var(--spread) * 4deg));
}

.shot-d {
  right: 7%;
  bottom: 42px;
  transform: translate3d(calc(var(--spread) * 26px), calc(var(--spread) * -16px), 0) rotate(calc(var(--spread) * -5deg));
}

.compare-grid {
  display: block;
}

.compare-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  margin-top: 48px;
  align-items: center;
  padding: 28px;
  border: 1px solid rgba(17, 19, 24, 0.08);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}

.compare-item {
  overflow: visible;
  margin: 0;
  padding: 12px 16px;
  background: transparent;
}

.compare-item + .compare-item {
  border-left: 1px solid rgba(17, 19, 24, 0.08);
}

.compare-item img {
  height: min(34vw, 430px);
  border-radius: 0;
  box-shadow: none;
  filter: drop-shadow(0 20px 38px rgba(17, 19, 24, 0.14));
  object-fit: contain;
}

.compare-item figcaption {
  padding: 4px 8px 14px;
  color: var(--subtle);
  font-size: 14px;
  font-weight: 850;
}

.raw-frame img {
  border-radius: 0;
}

.ai-section {
  padding: 104px 0 112px;
}

.ai-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.ai-card {
  display: grid;
  grid-template-areas: "copy media";
  grid-template-columns: minmax(330px, 0.82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: 42px;
  overflow: hidden;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.075);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
  transition:
    transform 1600ms cubic-bezier(0.19, 1, 0.22, 1),
    background 420ms ease;
}

.ai-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.ai-card.reverse {
  grid-template-areas: "media copy";
  grid-template-columns: minmax(0, 1.18fr) minmax(330px, 0.82fr);
}

.ai-copy {
  grid-area: copy;
}

.ai-media {
  grid-area: media;
}

.ai-card h3 {
  margin: 0 0 28px;
  font-family: var(--font-serif);
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: 0;
}

.ai-card p + p {
  margin-top: 18px;
}

.ai-card img {
  width: 100%;
  border-radius: 22px;
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.28);
}

.ai-media {
  overflow: hidden;
  border-radius: 22px;
}

.download-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: min(1120px, calc(100% - 32px));
  margin: 86px auto 76px;
  padding: 48px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 84% 28%, rgba(239, 98, 32, 0.32), transparent 16rem),
    linear-gradient(135deg, #151922, #232833);
  color: #fff;
  box-shadow: var(--shadow);
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.download-actions .button {
  min-width: 150px;
}

.dark-ghost {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  box-shadow: none;
}

.download-section p {
  max-width: 620px;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.72);
}

.download-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.download-facts li {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 760;
}

.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 46px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.site-footer p {
  text-align: center;
}

.site-footer p {
  font-size: 13px;
}

.site-footer p + p {
  margin-top: 8px;
}

.site-footer a {
  color: #d94f16;
  font-weight: 820;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 680ms ease, transform 680ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes ripple {
  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(18);
  }
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    padding-bottom: 68px;
  }

  .hero h1,
  .section-heading h2,
  .feature-copy h2,
  .download-section h2 {
    font-size: 44px;
  }

  .hero h1 {
    font-size: 48px;
  }

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

  .ai-card {
    grid-template-areas:
      "copy"
      "media";
    grid-template-columns: 1fr;
  }

  .ai-card.reverse {
    grid-template-areas:
      "media"
      "copy";
  }

  .split.reverse .feature-copy {
    order: 0;
  }

  .theme-gallery {
    min-height: 560px;
  }

  .theme-shot {
    width: 68%;
  }
}

@media (max-width: 760px) {
  .header-inner {
    width: min(100% - 24px, 720px);
  }

  .brand span {
    font-size: 15px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .nav {
    gap: 1px;
    padding: 5px;
  }

  .nav a {
    padding: 7px 9px;
    font-size: 12px;
  }

  .hero-stage {
    width: min(100% - 24px, 680px);
    padding-top: 54px;
  }

  .hero h1,
  .section-heading h2,
  .feature-copy h2,
  .download-section h2 {
    font-size: 36px;
  }

  .lead {
    font-size: 18px;
  }

  .hero-actions,
  .download-section,
  .download-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .section,
  .feature-panel,
  .ai-section {
    padding: 72px 0;
  }

  .compare-stack {
    grid-template-columns: 1fr;
  }

  .compare-item + .compare-item {
    border-top: 1px solid rgba(17, 19, 24, 0.08);
    border-left: 0;
  }

  .compare-item img {
    height: auto;
  }

  .theme-gallery {
    display: grid;
    min-height: 0;
    gap: 16px;
  }

  .theme-shot {
    position: static;
    width: 100%;
    transform: none !important;
  }

  .download-section {
    padding: 32px;
  }
}

@media (max-width: 520px) {
  .site-header {
    position: sticky;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .nav a {
    flex: 1;
    text-align: center;
  }

  .hero {
    padding-top: 28px;
  }

  .hero h1,
  .section-heading h2,
  .feature-copy h2,
  .download-section h2 {
    font-size: 32px;
  }

  .hero-media img {
    border-radius: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}