:root {
  --bg: #05070f;
  --text: #eef6ff;
  --muted: #8fa3c4;
  --accent: #7c5cff;
  --accent-2: #22f0c8;
  --line: rgba(120, 200, 255, 0.14);
  --card: rgba(18, 24, 44, 0.55);
  --radius: 16px;
  --font: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  --shadow: 0 0 0 1px rgba(120,200,255,0.08), 0 24px 60px rgba(0,0,0,0.55);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(139,92,255,0.32), transparent 55%),
    radial-gradient(800px 480px at 95% 0%, rgba(36,240,255,0.16), transparent 50%),
    radial-gradient(700px 480px at 50% 110%, rgba(34,240,200,0.1), transparent 55%),
    linear-gradient(180deg, #070b16 0%, #05070f 45%, #060914 100%);
  background-attachment: fixed;
}
a { color: inherit; text-decoration: none; }
a:hover { color: #fff; }

.site-header, main, .site-footer { position: relative; z-index: 1; max-width: 1040px; margin: 0 auto; padding-left: 1.25rem; padding-right: 1.25rem; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}
.logo { display: inline-flex; align-items: center; gap: 0.65rem; font-weight: 700; letter-spacing: -0.02em; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.04em;
  background: linear-gradient(135deg, #7c5cff, #22f0c8);
  color: #061018;
}
.logo .accent { color: var(--accent-2); }
.nav { display: flex; align-items: center; gap: 0.85rem; flex-wrap: wrap; justify-content: flex-end; }
.nav > a:not(.btn) { color: var(--muted); font-size: 0.92rem; font-weight: 500; }
.nav > a:not(.btn):hover { color: var(--text); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: 0.55rem 1rem;
  font-weight: 650; font-size: 0.92rem;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, #8b5cff, #22f0c8 120%);
  color: #061018 !important;
  box-shadow: 0 10px 30px rgba(124,92,255,0.25);
}
.btn-ghost {
  border-color: var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--text) !important;
}
.btn-lg { padding: 0.85rem 1.25rem; font-size: 1rem; }

.hero { padding: 3.2rem 0 2.5rem; }
.eyebrow {
  display: inline-block;
  margin: 0 0 0.85rem;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(124,92,255,0.12);
  color: #cbb8ff;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  max-width: 16ch;
}
.lede {
  margin: 0 0 1.5rem;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.05rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.35rem; }
.pill-row {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 0.55rem;
}
.pill-row li {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
  background: rgba(255,255,255,0.02);
}

.section { padding: 2.75rem 0; }
.section-head { margin-bottom: 1.35rem; }
.section-head h2 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  letter-spacing: -0.02em;
}
.section-head p { margin: 0; color: var(--muted); }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.85rem; }
.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.95rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.steps li > span {
  width: 2rem; height: 2rem; border-radius: 999px;
  display: grid; place-items: center;
  font-weight: 800; font-size: 0.9rem;
  background: rgba(124,92,255,0.2);
  color: #d7cbff;
  border: 1px solid rgba(124,92,255,0.35);
}
.steps strong { display: block; margin-bottom: 0.2rem; }
.steps p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}
.cards-tight { grid-template-columns: repeat(2, 1fr); }
.card {
  padding: 1.15rem 1.2rem;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.card h3 { margin: 0 0 0.45rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding: 1.5rem 1.35rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid rgba(34,240,200,0.25);
  background:
    linear-gradient(135deg, rgba(124,92,255,0.18), rgba(34,240,200,0.08));
  box-shadow: var(--shadow);
}
.cta-band h2 { margin: 0 0 0.35rem; font-size: 1.35rem; }
.cta-band p { margin: 0; color: var(--muted); max-width: 36rem; }

.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,0.02);
  padding: 0.85rem 1rem;
  margin-bottom: 0.55rem;
}
.faq summary {
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq p { margin: 0.55rem 0 0; color: var(--muted); }

.site-footer {
  padding: 2.5rem 1.25rem 3rem;
  border-top: 1px solid var(--line);
  margin-top: 1rem;
}
.site-footer p { margin: 0 0 0.4rem; }
.site-footer .muted { color: var(--muted); font-size: 0.85rem; }
.site-footer a { color: var(--accent-2); }

@media (max-width: 820px) {
  .cards, .cards-tight { grid-template-columns: 1fr; }
  .nav > a:not(.btn) { display: none; }
  .hero h1 { max-width: none; }
}

/* —— Self-serve upload —— */
.upload-panel {
  margin: 0 0 2rem;
  padding: 1.25rem 1.3rem 1.4rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid rgba(124,92,255,0.35);
  background:
    linear-gradient(160deg, rgba(124,92,255,0.16), rgba(34,240,200,0.06)),
    var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.upload-panel h2 { margin: 0 0 0.35rem; font-size: 1.35rem; letter-spacing: -0.02em; }
.upload-panel .hint { margin: 0 0 1rem; color: var(--muted); font-size: 0.95rem; }

.dropzone {
  position: relative;
  border: 1.5px dashed rgba(140,180,255,0.35);
  border-radius: 14px;
  padding: 1.5rem 1rem;
  text-align: center;
  background: rgba(0,0,0,0.22);
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.dropzone:hover, .dropzone.dragover {
  border-color: rgba(124,92,255,0.7);
  background: rgba(124,92,255,0.08);
}
.dropzone strong { display: block; margin-bottom: 0.25rem; }
.dropzone p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.dropzone input[type=file] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 0.55rem;
  margin: 0.9rem 0 0;
}
.preview-grid figure {
  margin: 0;
  position: relative;
  aspect-ratio: 1;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0a0f1c;
}
.preview-grid img { width: 100%; height: 100%; object-fit: cover; display: block; }
.preview-grid button {
  position: absolute; top: 4px; right: 4px;
  width: 22px; height: 22px; border-radius: 999px;
  border: 0; background: rgba(0,0,0,0.65); color: #fff;
  font-size: 14px; line-height: 1; cursor: pointer;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }
.field label {
  display: block; font-size: 0.78rem; font-weight: 650;
  color: #cbb8ff; letter-spacing: 0.03em; text-transform: uppercase;
  margin-bottom: 0.35rem;
}
.field input, .field textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.28);
  color: var(--text);
  padding: 0.7rem 0.85rem;
  font: inherit;
}
.field textarea { min-height: 72px; resize: vertical; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: rgba(124,92,255,0.65);
  box-shadow: 0 0 0 3px rgba(124,92,255,0.18);
}

.upload-actions {
  display: flex; flex-wrap: wrap; gap: 0.65rem; align-items: center;
  margin-top: 1.1rem;
}
.upload-actions .meta { color: var(--muted); font-size: 0.85rem; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.status-card {
  margin-top: 1.1rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.28);
  display: none;
}
.status-card.visible { display: block; }
.status-card .status-label {
  font-weight: 700; letter-spacing: -0.01em; margin-bottom: 0.35rem;
}
.status-card .status-msg { color: var(--muted); font-size: 0.95rem; margin: 0 0 0.75rem; }
.progress-bar {
  height: 6px; border-radius: 999px; overflow: hidden;
  background: rgba(255,255,255,0.06); margin-bottom: 0.85rem;
}
.progress-bar > span {
  display: block; height: 100%; width: 30%;
  background: linear-gradient(90deg, #7c5cff, #22f0c8);
  border-radius: 999px;
  animation: pulse-w 1.6s ease-in-out infinite;
}
@keyframes pulse-w {
  0% { width: 18%; opacity: .7; }
  50% { width: 72%; opacity: 1; }
  100% { width: 28%; opacity: .75; }
}
.video-wrap {
  margin-top: 0.5rem;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(34,240,200,0.25);
  background: #000;
  max-width: 280px;
}
.video-wrap video { width: 100%; display: block; aspect-ratio: 9/16; object-fit: contain; background: #000; }
.watermark-note {
  margin: 0.55rem 0 0.75rem;
  font-size: 0.85rem;
  color: #cbb8ff;
}
.err { color: #ff8f9f; }

/* —— Language toggle —— */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}
.lang-btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.32rem 0.65rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--muted);
  background: transparent;
  transition: background .15s ease, color .15s ease;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active {
  background: rgba(124,92,255,0.28);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(124,92,255,0.35);
}

/* —— Pricing —— */
.price-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-bottom: 1rem;
}
.price-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.2rem 1.15rem 1.25rem;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.price-card.featured {
  border-color: rgba(34,240,200,0.45);
  background:
    linear-gradient(160deg, rgba(124,92,255,0.22), rgba(34,240,200,0.08)),
    var(--card);
}
.price-eyebrow {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #cbb8ff;
}
.price-card h3 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.price-amount {
  margin: 0.35rem 0 0;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.price-amount span {
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--muted);
  margin-left: 0.15rem;
}
.price-cny {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}
.price-feats {
  list-style: none;
  padding: 0;
  margin: 0.65rem 0 1rem;
  display: grid;
  gap: 0.4rem;
  flex: 1;
}
.price-feats li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.price-feats li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-2);
  font-weight: 800;
}
.price-card .btn { width: 100%; margin-top: auto; }
.price-footnote {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}
@media (max-width: 960px) {
  .price-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .price-grid { grid-template-columns: 1fr; }
}