/* ── Google Fonts ────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&display=swap');

/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand — Red System */
  --primary:      #DC2626;   /* red-600 */
  --primary-dk:   #B91C1C;   /* red-700 */
  --primary-lt:   #FEE2E2;   /* red-100 */
  --primary-mid:  #C41E1E;   /* red-650 */
  --accent:       #EF4444;   /* red-500  */
  --accent-warm:  #F97316;   /* orange complement */

  /* Gradient presets */
  --grad-hero:    linear-gradient(135deg, #1A0000 0%, #2D0505 40%, #160005 100%);
  --grad-cta:     linear-gradient(135deg, #991B1B, #DC2626, #EF4444);
  --grad-title:   linear-gradient(135deg, #FCA5A5, #F87171, #FCD5D5);
  --grad-surface: linear-gradient(180deg, #FFF8F8 0%, #FAFAF9 100%);

  /* Surfaces */
  --bg:           #FFF8F8;
  --card:         #FFFFFF;
  --card-glass:   rgba(255,255,255,0.72);
  --hero-bg:      #1A0000;

  /* Borders */
  --border:       #FBEAEA;
  --border-hero:  rgba(252,165,165,0.20);

  /* Text */
  --text:         #1A0808;
  --text-2:       #7A5050;
  --text-3:       #B89090;
  --text-hero:    #FFF0F0;
  --text-hero-2:  #E0B8B8;

  /* Semantic */
  --green:        #10B981;
  --green-lt:     #D1FAE5;
  --green-dk:     #059669;
  --red:          #EF4444;
  --red-lt:       #FEE2E2;

  /* Shadows */
  --shadow-sm:    0 1px 4px rgba(220,38,38,.07);
  --shadow:       0 4px 20px rgba(220,38,38,.10), 0 1px 4px rgba(220,38,38,.06);
  --shadow-lg:    0 16px 48px rgba(220,38,38,.16), 0 4px 16px rgba(220,38,38,.08);
  --shadow-hero:  0 0 0 1px rgba(252,165,165,.12), 0 8px 32px rgba(239,68,68,.20);

  /* Shape */
  --r:            14px;
  --r-lg:         20px;
  --r-xl:         28px;
  --r-pill:       100px;

  /* Motion */
  --ease-out:     cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index scale */
  --z-base:       1;
  --z-card:       10;
  --z-sticky:     20;
  --z-dropdown:   30;
  --z-modal:      50;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI',
               'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.container { max-width: 980px; margin: 0 auto; padding: 0 20px; }
.hidden { display: none !important; }

/* ── Reduced motion ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ── Header ─────────────────────────────────────────────────────────────── */
.header {
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--primary);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.logo-icon {
  width: 32px; height: 32px;
  background: var(--grad-cta);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.header-nav { display: flex; gap: 2px; }

.nav-link {
  padding: 6px 13px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  background: var(--primary-lt);
  color: var(--primary-mid);
}

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero {
  background: var(--grad-hero);
  padding: 72px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Ambient glow blobs — red tones */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 20%, rgba(220,38,38,.28) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 70% 70%, rgba(239,68,68,.20) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 50% 50%, rgba(185,28,28,.18) 0%, transparent 80%);
  pointer-events: none;
}

/* Grid pattern overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(252,165,165,.06) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(252,165,165,.06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,.6) 30%, rgba(0,0,0,.6) 70%, transparent 100%);
}

.hero-content { position: relative; z-index: var(--z-base); }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(252,165,165,.15);
  color: #FCA5A5;
  border: 1px solid rgba(252,165,165,.30);
  border-radius: var(--r-pill);
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: .02em;
}

.hero-badge-dot {
  width: 6px; height: 6px;
  background: #FCA5A5;
  border-radius: 50%;
  display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(.7); }
}

.hero-title {
  font-size: clamp(28px, 5.5vw, 44px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  background: var(--grad-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-hero-2);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* Amazon main-video note under hero badges */
.hero-note {
  font-size: 13px;
  color: var(--text-hero-2);
  max-width: 560px;
  margin: 16px auto 0;
  line-height: 1.6;
  opacity: .85;
}

/* ── Search ─────────────────────────────────────────────────────────────── */
.search-wrap {
  display: flex;
  gap: 10px;
  max-width: 700px;
  margin: 0 auto 24px;
}

.search-box {
  flex: 1;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.08);
  border: 1.5px solid rgba(255,255,255,.18);
  border-radius: var(--r);
  padding: 0 12px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color .2s, background .2s, box-shadow .2s;
}

.search-box:focus-within {
  border-color: rgba(255,255,255,.55);
  background: rgba(255,255,255,.14);
  box-shadow: 0 0 0 3px rgba(255,255,255,.10), 0 4px 24px rgba(0,0,0,.25);
}

.platform-icon {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3);
  transition: all .2s;
}
.platform-icon.tiktok   { background: #000;    color: #fff; }
.platform-icon.youtube  { background: #ff0000; color: #fff; }
.platform-icon.douyin   { background: #161823; color: #fe2c55; }
.platform-icon.kuaishou { background: #ff4906; color: #fff; }
.platform-icon.amazon   { background: #fff; padding: 3px; }
.platform-icon.amazon img { width: 100%; height: 100%; object-fit: contain; }

.url-input {
  flex: 1;
  border: none;
  outline: none;
  padding: 16px 10px;
  font-size: 15px;
  font-family: 'DM Sans', sans-serif;
  background: transparent;
  color: #FFF0F0;
  min-width: 0;
}
/* 阻止全局 :focus-visible 把红框加到 input 上 */
.url-input:focus,
.url-input:focus-visible { outline: none; box-shadow: none; }
.url-input::placeholder { color: rgba(224,184,184,.5); }

.paste-btn {
  flex-shrink: 0;
  padding: 7px;
  border: none;
  background: rgba(252,165,165,.12);
  cursor: pointer;
  color: #FCA5A5;
  border-radius: 8px;
  transition: background .15s, color .15s;
  touch-action: manipulation;
  display: flex; align-items: center; justify-content: center;
}
.paste-btn:hover { background: rgba(252,165,165,.25); color: #FCD5D5; }

.parse-btn {
  flex-shrink: 0;
  padding: 0 28px;
  height: 54px;
  background: var(--grad-cta);
  color: #fff;
  border: none;
  border-radius: var(--r);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 20px rgba(220,38,38,.45), 0 0 0 1px rgba(252,165,165,.15);
  transition: opacity .2s, transform .12s var(--ease-spring), box-shadow .2s;
  white-space: nowrap;
  touch-action: manipulation;
  letter-spacing: -0.01em;
}
.parse-btn:hover  {
  opacity: .92;
  box-shadow: 0 6px 28px rgba(220,38,38,.55), 0 0 0 1px rgba(252,165,165,.25);
}
.parse-btn:active { transform: scale(.97); }
.parse-btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

.btn-spinner {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.25);
  border-top-color: #fff;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Error ──────────────────────────────────────────────────────────────── */
.error-msg {
  max-width: 700px;
  margin: 0 auto 16px;
  padding: 12px 16px;
  background: rgba(239,68,68,.08);
  border: 1px solid rgba(239,68,68,.25);
  border-radius: var(--r);
  color: #F87171;
  font-size: 14px;
  display: flex; align-items: center; gap: 10px;
}
.error-msg-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: rgba(239,68,68,.20);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

/* ── Platform badges ────────────────────────────────────────────────────── */
.platform-badges {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
}

.platform-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 13px;
  border-radius: var(--r-pill);
  font-size: 12px; font-weight: 600;
  border: 1px solid;
  letter-spacing: .02em;
}
.platform-tag.tiktok   { background: rgba(0,0,0,.35);   color: #fff;    border-color: rgba(255,255,255,.15); }
.platform-tag.youtube  { background: rgba(255,0,0,.18);  color: #FF9999; border-color: rgba(255,0,0,.30); }
.platform-tag.douyin   { background: rgba(22,24,35,.40); color: #FE9CB8; border-color: rgba(254,44,85,.25); }
.platform-tag.kuaishou { background: rgba(255,73,6,.18); color: #FFB088; border-color: rgba(255,73,6,.30); }
.platform-tag.amazon   { background: rgba(255,153,0,.18); color: #FFB84D; border-color: rgba(255,153,0,.35); }

/* ── Ad slots ───────────────────────────────────────────────────────────── */
.ad-slot { text-align: center; padding: 12px 20px; background: var(--bg); }

/* ── Result section ─────────────────────────────────────────────────────── */
.result-section { padding: 40px 0; }

.loading-card {
  text-align: center;
  padding: 64px 20px;
  background: var(--card);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 15px;
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}

.loading-spinner {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 3px solid var(--primary-lt);
  border-top-color: var(--primary);
  animation: spin .8s linear infinite;
}

/* ── Result card ────────────────────────────────────────────────────────── */
.result-card {
  display: flex; gap: 28px;
  background: var(--card);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  padding: 28px;
  animation: fadeUp .38s var(--ease-out) both;
  position: relative; overflow: hidden;
}

/* Accent top bar */
.result-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-cta);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
}

@keyframes fadeUp {
  from { opacity:0; transform: translateY(16px); }
  to   { opacity:1; transform: none; }
}

.result-thumb-wrap { flex-shrink: 0; width: 220px; position: relative; align-self: flex-start; }
.result-thumb { width: 100%; border-radius: 12px; display: block; object-fit: cover; background: var(--border); }

.result-duration {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,.72); color: #fff;
  font-size: 12px; font-weight: 600;
  padding: 2px 8px; border-radius: 7px;
  backdrop-filter: blur(4px);
}

.result-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 11px; }
.result-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.result-platform-tag {
  font-size: 11px; font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  text-transform: uppercase; letter-spacing: .6px; flex-shrink: 0;
}
.result-platform-tag.tiktok   { background: #000;    color: #fff; }
.result-platform-tag.youtube  { background: #ff0000; color: #fff; }
.result-platform-tag.douyin   { background: #161823; color: #fe2c55; }
.result-platform-tag.kuaishou { background: #ff4906; color: #fff; }
.result-platform-tag.amazon   { background: #FF9900; color: #232F3E; }
.result-platform-tag.other    { background: var(--primary); color: #fff; }

.result-uploader { font-size: 13px; color: var(--text-2); }

.result-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px; font-weight: 600; line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  letter-spacing: -0.01em;
}

.result-stats {
  font-size: 13px; color: var(--text-2);
  display: flex; flex-wrap: wrap; gap: 4px 16px; align-items: center;
}

/* ── Download buttons ───────────────────────────────────────────────────── */
.download-buttons { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }

.dl-btn {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 16px; border-radius: 12px;
  text-decoration: none; cursor: pointer;
  transition: transform .12s var(--ease-spring), box-shadow .15s, filter .15s, background .15s;
  border: 1.5px solid transparent;
  width: 100%;
  font-family: 'DM Sans', sans-serif;
  touch-action: manipulation;
  position: relative;
}
.dl-btn:active { transform: scale(.98); }

/* Primary */
.dl-btn-primary {
  background: var(--grad-cta);
  color: #fff; border-color: transparent;
  box-shadow: 0 4px 20px rgba(220,38,38,.32);
}
.dl-btn-primary:hover { filter: brightness(1.07); box-shadow: 0 6px 28px rgba(220,38,38,.42); }

/* Secondary */
.dl-btn-secondary {
  background: #FFFFFF; color: #7F1D1D; border-color: rgba(220,38,38,.20);
}
.dl-btn-secondary:hover { background: #FFF5F5; border-color: rgba(220,38,38,.35); }

/* Tertiary */
.dl-btn-tertiary {
  background: #FAFAFA; color: #374151; border-color: #E5E7EB;
}
.dl-btn-tertiary:hover { background: #F3F4F6; border-color: #D1D5DB; }

/* Audio */
.dl-btn-audio {
  background: #F0FDF4; color: #065F46; border-color: #BBF7D0;
}
.dl-btn-audio:hover { background: #DCFCE7; border-color: #86EFAC; }

/* Cover */
.dl-btn-cover {
  background: #FFFBEB; color: #92400E; border-color: #FDE68A;
}
.dl-btn-cover:hover { background: #FEF3C7; border-color: #FCD34D; }

/* Loading — SVG spinner, no emoji */
.dl-btn.loading { pointer-events: none; opacity: .7; }
.dl-btn.loading .dl-label { visibility: hidden; }
.dl-btn.loading .dl-arrow { visibility: hidden; }
.dl-btn.loading::after {
  content: '';
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%,-50%);
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: rgba(255,255,255,.9);
  animation: spin .7s linear infinite;
}

/* Label — two-line layout */
.dl-label { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; flex: 1; min-width: 0; }
.dl-label-top  { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.dl-label-meta { display: flex; align-items: center; gap: 5px; }
.dl-quality { font-size: 15px; font-weight: 700; white-space: nowrap; }

.dl-badge {
  font-size: 11px; font-weight: 700;
  padding: 2px 7px; border-radius: 5px;
  background: rgba(255,255,255,.22);
  letter-spacing: .2px; flex-shrink: 0; white-space: nowrap;
}
.dl-btn-secondary .dl-badge,
.dl-btn-tertiary  .dl-badge,
.dl-btn-audio     .dl-badge,
.dl-btn-cover     .dl-badge { background: rgba(0,0,0,.06); color: inherit; }

.dl-ext  { font-size: 12px; font-weight: 600; opacity: .60; }
.dl-size { font-size: 12px; opacity: .45; }
.dl-sep  { font-size: 12px; opacity: .30; }

/* Badge color overrides */
/* CDN Direct: white on primary, green on light buttons */
.cdn-badge { background: rgba(255,255,255,.22) !important; color: rgba(255,255,255,.92) !important; }
.dl-btn-secondary .cdn-badge,
.dl-btn-tertiary  .cdn-badge,
.dl-btn-audio     .cdn-badge,
.dl-btn-cover     .cdn-badge { background: rgba(16,185,129,.12) !important; color: #047857 !important; }

/* No-audio: white on primary, red on light buttons */
.no-audio-badge { background: rgba(239,68,68,.10) !important; color: #B91C1C !important; font-size: 11px !important; }
.dl-btn-primary .no-audio-badge { background: rgba(255,255,255,.18) !important; color: rgba(255,255,255,.80) !important; }

.cover-badge { background: rgba(234,88,12,.10) !important; color: #9A3412 !important; }

/* Arrow icon button */
.dl-arrow {
  width: 36px; height: 36px; border-radius: 10px;
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  transition: background .15s;
  background: rgba(255,255,255,.20);
}
.dl-btn-primary:hover .dl-arrow { background: rgba(255,255,255,.30); }
.dl-btn-secondary .dl-arrow { background: rgba(220,38,38,.08); color: var(--primary); }
.dl-btn-secondary:hover .dl-arrow { background: rgba(220,38,38,.16); }
.dl-btn-tertiary .dl-arrow { background: rgba(0,0,0,.05); color: #6B7280; }
.dl-btn-tertiary:hover .dl-arrow { background: rgba(0,0,0,.10); }
.dl-btn-audio .dl-arrow { background: rgba(16,185,129,.12); color: #047857; }
.dl-btn-audio:hover .dl-arrow { background: rgba(16,185,129,.22); }
.dl-btn-cover .dl-arrow { background: rgba(234,88,12,.10); color: #92400E; }
.dl-btn-cover:hover .dl-arrow { background: rgba(234,88,12,.20); }

/* ── Notes ──────────────────────────────────────────────────────────────── */
.cdn-note {
  font-size: 12px; color: #0369A1;
  background: #E0F2FE; border: 1px solid #BAE6FD;
  border-radius: 8px; padding: 8px 12px; margin-top: 4px;
}
.ffmpeg-note {
  font-size: 12px; color: #B45309;
  background: #FEF9C3; border: 1px solid #FDE68A;
  border-radius: 8px; padding: 8px 12px; margin-top: 4px;
}
.result-tip { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-3); }

/* ── How To ─────────────────────────────────────────────────────────────── */
.how-to {
  padding: 80px 0;
  background: var(--card);
  border-top: 1px solid var(--border);
}

.section-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary-lt); color: var(--primary-mid);
  border-radius: var(--r-pill);
  padding: 4px 14px; font-size: 12px; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase; margin-bottom: 12px;
}

.section-title {
  font-size: 32px; font-weight: 700;
  text-align: center; margin-bottom: 8px;
  letter-spacing: -0.02em; color: var(--text);
}

.section-sub {
  text-align: center; font-size: 16px;
  color: var(--text-2); margin-bottom: 48px;
}

.steps {
  display: flex; align-items: flex-start; justify-content: center;
  flex-wrap: wrap; gap: 0;
}

.step {
  flex: 1; min-width: 150px; max-width: 220px;
  text-align: center; padding: 0 16px; position: relative;
}

.step-num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--grad-cta); color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 14px rgba(220,38,38,.30);
}

.step-icon {
  width: 68px; height: 68px; border-radius: 18px;
  background: linear-gradient(135deg, var(--primary-lt), #FECACA);
  color: var(--primary-mid);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
  border: 1px solid rgba(220,38,38,.12);
}

.step h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.01em; }
.step p  { font-size: 14px; color: var(--text-2); line-height: 1.6; }

.step-arrow {
  display: flex; align-items: center; justify-content: center;
  padding-top: 52px; align-self: flex-start;
  color: var(--border); flex-shrink: 0;
}

/* ── Features ───────────────────────────────────────────────────────────── */
.features { padding: 80px 0; background: var(--bg); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--card); border-radius: var(--r-lg);
  padding: 24px; border: 1px solid var(--border);
  transition: box-shadow .22s var(--ease-out), border-color .22s, transform .22s var(--ease-out);
  cursor: pointer;
}
.feature-card:hover {
  box-shadow: var(--shadow);
  border-color: rgba(220,38,38,.22);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px; border: 1px solid rgba(220,38,38,.10);
}

.feature-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.01em; }
.feature-card p  { font-size: 13px; color: var(--text-2); line-height: 1.65; }

/* ── FAQ ────────────────────────────────────────────────────────────────── */
.faq { padding: 80px 0; background: var(--card); border-top: 1px solid var(--border); }
.faq-list {
  max-width: 720px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 10px;
}

.faq-item {
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: var(--r); overflow: hidden; cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
}
.faq-item:hover { border-color: rgba(220,38,38,.30); box-shadow: var(--shadow-sm); }

.faq-q { padding: 18px 20px; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.faq-a { padding: 0 20px 18px; font-size: 14px; color: var(--text-2); line-height: 1.75; border-top: 1px solid var(--border); }

/* ── Friendly Links ─────────────────────────────────────────────────────── */
.fl-section { padding: 20px 0 28px; background: var(--bg); border-top: 1px solid var(--border); }
.fl-inner   { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.fl-label   { font-size: 13px; font-weight: 700; color: var(--text-3); white-space: nowrap; }
.fl-list    { display: flex; flex-wrap: wrap; gap: 8px; }
.fl-link {
  display: inline-block; padding: 5px 14px; font-size: 13px;
  color: var(--text-2); border: 1px solid var(--border);
  border-radius: var(--r-pill); text-decoration: none;
  transition: border-color .15s, color .15s;
}
.fl-link:hover { border-color: var(--primary); color: var(--primary); }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer { background: var(--card); border-top: 1px solid var(--border); padding: 28px 0; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
}
.footer-copy { font-size: 13px; color: var(--text-3); }
.footer-nav  { display: flex; gap: 16px; }
.footer-nav-link { font-size: 13px; color: var(--text-3); text-decoration: none; transition: color .15s; }
.footer-nav-link:hover, .footer-nav-link.active { color: var(--primary); }

/* ── Platform chips ─────────────────────────────────────────────────────── */
.platform-chips {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 8px; margin-top: 24px;
}

.platform-chip {
  padding: 5px 14px; border-radius: var(--r-pill);
  font-size: 13px; font-weight: 600;
  background: rgba(255,255,255,.10); color: #FCA5A5;
  border: 1px solid rgba(252,165,165,.25);
  backdrop-filter: blur(4px);
}

/* ── Other platforms bar ────────────────────────────────────────────────── */
.other-platforms-bar { padding: 20px 0; background: var(--card); border-top: 1px solid var(--border); }
.other-platforms-bar .container { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.other-platforms-label { font-size: 13px; color: var(--text-3); white-space: nowrap; }

.other-platform-link {
  display: inline-block; padding: 5px 14px;
  font-size: 13px; font-weight: 600;
  border-radius: var(--r-pill); text-decoration: none;
  border: 1.5px solid transparent; transition: all .15s;
}
.other-platform-link.tiktok   { background: #F0FDF4; color: #166534; border-color: #BBF7D0; }
.other-platform-link.youtube  { background: #FFF1F2; color: #9B1C1C; border-color: #FECDD3; }
.other-platform-link.douyin   { background: #F0F9FF; color: #075985; border-color: #BAE6FD; }
.other-platform-link.kuaishou { background: #FFFBEB; color: #92400E; border-color: #FDE68A; }
.other-platform-link:hover { opacity: .82; transform: translateY(-1px); }

/* ── Language Switcher ──────────────────────────────────────────────────── */
.lang-switcher { position: relative; margin-left: 8px; flex-shrink: 0; }

.lang-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 6px 11px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--card);
  cursor: pointer; font-family: 'DM Sans', sans-serif;
  font-size: 13px; font-weight: 500; color: var(--text-2);
  transition: border-color .15s, color .15s, background .15s;
  white-space: nowrap; touch-action: manipulation;
}
.lang-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-lt); }

.lang-dropdown {
  position: absolute; right: 0; top: calc(100% + 8px);
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 6px;
  box-shadow: var(--shadow-lg); min-width: 180px;
  z-index: var(--z-dropdown); display: none;
  max-height: 360px; overflow-y: auto;
}
.lang-dropdown.open { display: block; animation: dropIn .18s var(--ease-out); }

@keyframes dropIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

.lang-option {
  padding: 8px 12px; border-radius: 10px;
  cursor: pointer; font-size: 14px;
  transition: background .1s, color .1s; touch-action: manipulation;
}
.lang-option:hover { background: var(--primary-lt); }
.lang-option.active { background: var(--primary-lt); color: var(--primary); font-weight: 600; }

/* ── RTL overrides ──────────────────────────────────────────────────────── */
[dir="rtl"] .lang-dropdown { right: auto; left: 0; }
[dir="rtl"] .header-inner  { flex-direction: row-reverse; }
[dir="rtl"] .header-nav    { flex-direction: row-reverse; }
[dir="rtl"] .search-wrap   { flex-direction: row-reverse; }
[dir="rtl"] .dl-btn        { flex-direction: row-reverse; }
[dir="rtl"] .dl-label      { flex-direction: row-reverse; }
[dir="rtl"] .steps         { flex-direction: row-reverse; }
[dir="rtl"] .step-arrow    { transform: scaleX(-1); }
[dir="rtl"] .footer-inner  { flex-direction: row-reverse; }
[dir="rtl"] .result-meta   { flex-direction: row-reverse; }
[dir="rtl"] .result-info   { text-align: right; }
[dir="rtl"] .faq-q, [dir="rtl"] .faq-a { text-align: right; }

/* ── Focus states (accessibility) ──────────────────────────────────────── */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .hero { padding: 48px 0 44px; }
  .hero-title { letter-spacing: -0.02em; }
  .search-wrap { flex-direction: column; }
  .parse-btn { height: 50px; width: 100%; justify-content: center; }
  .result-card { flex-direction: column; padding: 20px; }
  .result-thumb-wrap { width: 100%; }
  .step-arrow { display: none; }
  .steps { gap: 28px; }
  .header-nav { display: none; }
  .lang-btn span:not(:first-child):not(:last-child) { display: none; }
  .section-title { font-size: 26px; }
}

/* ── Social share section (self-hosted sharer.js, brand-color hovers) ───────── */
.share-section {
  padding: 72px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  text-align: center;
}
.share-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-2);
  cursor: pointer;
  padding: 0;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease;
  -webkit-tap-highlight-color: transparent;
}
.share-btn svg { width: 20px; height: 20px; display: block; }
.share-btn:hover { transform: translateY(-2px); color: #fff; border-color: transparent; }
.share-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.share-btn.x:hover        { background: #000; }
.share-btn.facebook:hover { background: #1877F2; }
.share-btn.whatsapp:hover { background: #25D366; }
.share-btn.telegram:hover { background: #229ED9; }
.share-btn.linkedin:hover { background: #0A66C2; }
.share-btn.reddit:hover   { background: #FF4500; }
.share-btn.share-copy {
  width: auto;
  height: 48px;
  border-radius: 999px;
  gap: 8px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 600;
}
.share-btn.share-copy:hover { background: var(--primary); color: #fff; }
.share-btn.share-copy.copied { background: #16A34A; color: #fff; border-color: transparent; transform: none; }
.share-copy-label { white-space: nowrap; }

@media (max-width: 600px) {
  .share-section { padding: 56px 0; }
  .share-btn { width: 44px; height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  .share-btn { transition: color .2s ease, background-color .2s ease; }
  .share-btn:hover { transform: none; }
}