:root {
  --ink: #2a241f;
  --ink-soft: #5c5148;
  --ink-muted: #8a7d72;
  --line: rgba(110, 84, 64, 0.14);
  --surface: #fffbf6;
  --surface-soft: #f7efe6;
  --surface-warm: #f3e7da;
  --accent: #b56a3f;
  --accent-deep: #9a5530;
  --accent-soft: #d4a06a;
  --sage: #80956f;
  --shadow: 0 18px 48px rgba(78, 54, 38, 0.1);
  --font-display: "Cormorant Garamond", "Songti SC", Georgia, serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(212, 160, 106, 0.18), transparent 55%),
    radial-gradient(900px 500px at 90% 8%, rgba(128, 149, 111, 0.12), transparent 50%),
    linear-gradient(180deg, #fffdf9 0%, var(--surface-soft) 48%, #efe4d7 100%);
  line-height: 1.55;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-copy { animation: rise 0.9s ease both; }
.hero-stage { animation: rise 1.1s 0.12s ease both; }
.feature-grid article,
.price-grid article,
.steps li {
  animation: rise 0.7s ease both;
}
.feature-grid article:nth-child(2),
.price-grid article:nth-child(2) { animation-delay: 0.08s; }
.feature-grid article:nth-child(3),
.price-grid article:nth-child(3) { animation-delay: 0.14s; }
.feature-grid article:nth-child(4) { animation-delay: 0.2s; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .photo-wall-row { transform: none !important; }
}
.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 0;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(18px, 4vw, 48px);
  backdrop-filter: blur(14px);
  background: rgba(255, 251, 246, 0.82);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: var(--shadow);
}
.brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.02em;
}
.brand small {
  color: var(--ink-muted);
  font-size: 12px;
}
.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
}
.site-header nav a {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 500;
}
.site-header nav a:hover { color: var(--accent-deep); }
.nav-cta {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(181, 106, 63, 0.12);
  color: var(--accent-deep) !important;
  font-weight: 700 !important;
}

.hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  min-height: calc(100vh - 74px);
  padding: clamp(28px, 5vw, 56px) clamp(18px, 4vw, 48px) clamp(36px, 6vw, 64px);
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 72px);
  line-height: 1.08;
  letter-spacing: 0.01em;
}
.lede {
  margin: 18px 0 0;
  max-width: 34em;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.6vw, 18px);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.hero-stage {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  min-height: 420px;
}
.hero-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.hero-stage img:first-child {
  grid-row: 1 / span 2;
  object-position: center 18%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-soft) 100%);
  color: #fffaf3;
  box-shadow: 0 12px 28px rgba(181, 106, 63, 0.28);
}
.btn.ghost {
  background: rgba(255, 251, 246, 0.7);
  border-color: var(--line);
  color: var(--ink);
}
.btn.wide { width: 100%; }
.btn.large { min-height: 54px; padding: 0 28px; font-size: 15px; }

.section {
  position: relative;
  z-index: 1;
  padding: clamp(48px, 8vw, 96px) clamp(18px, 4vw, 48px);
}
.section-head {
  max-width: 720px;
  margin-bottom: 28px;
}
.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 600;
}
.section-head p {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.feature-grid article {
  padding: 22px 20px;
  border-radius: 18px;
  background: rgba(255, 251, 246, 0.78);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(78, 54, 38, 0.05);
}
.feature-grid h3 {
  margin: 0 0 8px;
  font-size: 17px;
}
.feature-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.gallery-wall-section {
  padding-left: 0;
  padding-right: 0;
}
.gallery-wall-section .section-head {
  padding-left: clamp(18px, 4vw, 48px);
  padding-right: clamp(18px, 4vw, 48px);
}
.photo-wall {
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.photo-wall-row {
  display: flex;
  width: max-content;
  gap: 14px;
  will-change: transform;
}
.photo-wall-row.row-a { animation: wall-scroll-left 55s linear infinite; }
.photo-wall-row.row-b { animation: wall-scroll-right 62s linear infinite; }
.photo-wall-row.row-c { animation: wall-scroll-left 48s linear infinite; }
.photo-wall:hover .photo-wall-row { animation-play-state: paused; }
.photo-tile {
  flex: 0 0 auto;
  width: clamp(132px, 16vw, 196px);
  aspect-ratio: 1 / 1;
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface-warm);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(78, 54, 38, 0.08);
  transition: transform .35s ease, box-shadow .35s ease, z-index 0s;
  position: relative;
  z-index: 1;
}
.photo-tile img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform .45s ease;
}
.photo-tile:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 18px 40px rgba(78, 54, 38, 0.2);
  z-index: 5;
}
.photo-tile:hover img { transform: scale(1.14); }
@keyframes wall-scroll-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@keyframes wall-scroll-right {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.steps li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255, 251, 246, 0.8);
  border: 1px solid var(--line);
}
.steps span {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--accent);
}
.steps h3 { margin: 0 0 6px; }
.steps p { margin: 0; color: var(--ink-soft); }

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.price-grid article {
  padding: 24px 22px;
  border-radius: 20px;
  background: rgba(255, 251, 246, 0.84);
  border: 1px solid var(--line);
}
.price-grid .featured {
  background: linear-gradient(160deg, rgba(181, 106, 63, 0.12), rgba(255, 251, 246, 0.95));
  border-color: rgba(181, 106, 63, 0.28);
  box-shadow: var(--shadow);
}
.price-grid h3 { margin: 0 0 12px; }
.price {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.price b {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 600;
}
.price span { color: var(--ink-muted); }
.points {
  margin: 10px 0 6px;
  color: var(--sage);
  font-weight: 700;
}
.price-note {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--ink-muted);
}

.register-card {
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  display: grid;
  gap: 12px;
  padding: 24px;
  border-radius: 22px;
  background: rgba(255, 251, 246, 0.9);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.register-card label,
.register-card .field-label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 700;
}
.register-card .captcha-row {
  display: grid;
  gap: 6px;
}
.register-card input {
  min-height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0 12px;
  font: inherit;
  color: var(--ink);
}
.captcha-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 12px;
  background: var(--surface-warm);
  border: 1px dashed rgba(181, 106, 63, 0.35);
  font-family: var(--font-display);
  font-size: 22px;
}
.linkish {
  border: 0;
  background: none;
  color: var(--accent-deep);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
}
.hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}
.form-hint, .register-result {
  margin: 0;
  font-size: 13px;
  color: var(--ink-muted);
}
.register-result {
  margin: 14px auto 0;
  max-width: 520px;
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(128, 149, 111, 0.12);
  border: 1px solid rgba(128, 149, 111, 0.28);
  color: var(--ink);
}
.register .section-head {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.register-result code {
  display: inline-block;
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: 8px;
  background: #fff;
  font-family: ui-monospace, Consolas, monospace;
}

.download .section-head { margin-left: auto; margin-right: auto; text-align: center; }
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  text-align: left;
}
.download-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 24px 22px;
  border-radius: 20px;
  background: rgba(255, 251, 246, 0.88);
  border: 1px solid var(--line);
}
.download-card.featured {
  background: linear-gradient(160deg, rgba(181, 106, 63, 0.12), rgba(255, 251, 246, 0.95));
  border-color: rgba(181, 106, 63, 0.28);
  box-shadow: var(--shadow);
}
.download-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.15;
}
.download-card .ver {
  margin: 0;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}
.download-card .desc {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 14px;
  min-height: 2.8em;
}
@media (max-width: 960px) {
  .download-grid { grid-template-columns: 1fr; }
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 28px;
  align-items: start;
}
.contact-main {
  display: grid;
  gap: 16px;
}
.contact-lead {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.75;
}
.contact-lead strong {
  font-weight: 700;
  color: var(--ink);
}
.contact-capabilities h3 {
  margin: 4px 0 12px;
  font-family: "Cormorant Garamond", "Noto Serif SC", serif;
  font-size: 22px;
  font-weight: 600;
}
.capability-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.capability-list li {
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, #fff 72%, transparent);
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.01em;
}
.contact-meta {
  display: grid;
  gap: 10px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.contact-meta p {
  margin: 0;
  display: grid;
  gap: 4px;
}
.contact-meta span,
.contact-grid span {
  color: var(--ink-muted);
  font-size: 12px;
}
.wechat {
  margin: 0;
  justify-self: end;
  text-align: center;
}
.wechat img {
  width: 168px;
  height: 168px;
  object-fit: contain;
  margin: 0 auto 8px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px;
}
.wechat figcaption {
  font-size: 13px;
  color: var(--ink-muted);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 28px 16px 40px;
  color: var(--ink-muted);
  font-size: 13px;
}
.site-footer img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

@media (max-width: 960px) {
  .hero, .feature-grid, .price-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .photo-tile { width: clamp(120px, 34vw, 160px); }
  .photo-wall-row.row-a { animation-duration: 42s; }
  .photo-wall-row.row-b { animation-duration: 48s; }
  .photo-wall-row.row-c { animation-duration: 38s; }
  .hero { min-height: auto; }
  .hero-stage {
    min-height: 320px;
    grid-template-columns: 1fr 1fr;
  }
  .hero-stage img:first-child { grid-row: auto; grid-column: 1 / -1; }
  .site-header nav { display: none; }
  .wechat { justify-self: start; }
}