/* ===== VARIABLES ===== */
:root {
  --green: #16a34a;
  --green-dark: #15803d;
  --green-light: #dcfce7;
  --green-mid: #86efac;
  --slate: #1e293b;
  --slate-mid: #334155;
  --slate-light: #64748b;
  --body-bg: #f8fafc;
  --white: #ffffff;
  --border: #e2e8f0;
  --border-dark: #cbd5e1;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--body-bg); color: var(--text); line-height: 1.6; font-size: 15px; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }
@keyframes ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,.06);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--slate);
  flex-shrink: 0;
}
.nav-logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--green) 0%, #4ade80 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--slate-mid);
  transition: all .18s;
}
.nav-links a:hover { background: #f1f5f9; color: var(--slate); }
.nav-links a.active { background: var(--green); color: white; }
.nav-dl-btn {
  margin-left: 8px;
  padding: 8px 18px;
  background: var(--slate);
  color: white;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 7px;
  transition: all .18s;
  white-space: nowrap;
}
.nav-dl-btn:hover { background: var(--slate-mid); transform: translateY(-1px); }

/* ===== ANNOUNCE STRIP ===== */
.announce-strip {
  background: linear-gradient(90deg, var(--green-dark) 0%, var(--green) 50%, #22c55e 100%);
  color: white;
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  padding: 9px 16px;
  overflow: hidden;
}
.announce-inner {
  display: inline-flex;
  gap: 48px;
  white-space: nowrap;
  animation: ticker 28s linear infinite;
}
.announce-item { display: inline-flex; align-items: center; gap: 8px; }

/* ===== HERO ===== */
.hero {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 72px 24px 80px;
}
.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 520px;
  gap: 64px;
  align-items: center;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.hero-kicker svg { color: var(--green); }
.hero h1 {
  font-size: clamp(32px, 4vw, 50px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--slate);
  margin-bottom: 20px;
  letter-spacing: -.02em;
}
.hero h1 em {
  font-style: normal;
  color: var(--green);
  position: relative;
}
.hero-desc {
  font-size: 16px;
  color: var(--slate-light);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 500px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  background: var(--green);
  color: white;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  transition: all .18s;
  box-shadow: 0 4px 12px rgba(22,163,74,.3);
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(22,163,74,.35); }
.btn-primary:disabled { opacity: .7; cursor: wait; transform: none; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border: 2px solid var(--border-dark);
  color: var(--slate-mid);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: all .18s;
}
.btn-ghost:hover { border-color: var(--green); color: var(--green); }
.hero-metrics {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-metric .val {
  font-size: 26px;
  font-weight: 800;
  color: var(--slate);
  line-height: 1;
}
.hero-metric .val span { color: var(--green); }
.hero-metric .lbl { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.metric-sep { width: 1px; background: var(--border); align-self: stretch; }

/* Hero Workbench Panel */
.hero-workbench {
  background: var(--slate);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.05) inset;
}
.wb-titlebar {
  background: #0f172a;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.wb-dots { display: flex; gap: 6px; }
.wb-dot { width: 10px; height: 10px; border-radius: 50%; }
.wb-dot.r { background: #ef4444; }
.wb-dot.y { background: #f59e0b; }
.wb-dot.g { background: #22c55e; }
.wb-title-txt { color: #94a3b8; font-size: 12px; font-weight: 500; margin-left: 4px; }
.wb-body { padding: 20px; }
.wb-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  background: #0f172a;
  padding: 4px;
  border-radius: 8px;
}
.wb-tab {
  flex: 1;
  text-align: center;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  cursor: pointer;
  transition: all .15s;
}
.wb-tab.on { background: var(--green); color: white; }
.wb-input-area {
  background: #0f172a;
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 12px;
}
.wb-lang-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.wb-lang-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
  color: #94a3b8;
  text-transform: uppercase;
}
.wb-input-text {
  font-size: 14px;
  color: #e2e8f0;
  line-height: 1.6;
}
.wb-translate-btn {
  width: 100%;
  background: var(--green);
  color: white;
  border-radius: 8px;
  padding: 10px;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-bottom: 12px;
  transition: background .15s;
}
.wb-translate-btn:hover { background: var(--green-dark); }
.wb-output-area {
  background: #0f172a;
  border-radius: 8px;
  padding: 14px;
  border-left: 3px solid var(--green);
}
.wb-output-text {
  font-size: 14px;
  color: #86efac;
  line-height: 1.6;
}
.wb-lang-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.wb-pill {
  background: #1e293b;
  color: #94a3b8;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
}
.wb-pill.hot { background: rgba(22,163,74,.2); color: #4ade80; }

/* ===== SECTION COMMONS ===== */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 24px; }
.section-alt { background: var(--white); }
.sec-head { text-align: center; margin-bottom: 52px; }
.sec-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--green);
  background: var(--green-light);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.sec-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--slate);
  letter-spacing: -.02em;
  line-height: 1.2;
  margin-bottom: 12px;
}
.sec-sub { font-size: 16px; color: var(--text-muted); max-width: 580px; margin: 0 auto; line-height: 1.7; }

/* ===== FEATURE PILLARS ===== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pillar-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all .22s;
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), #4ade80);
  opacity: 0;
  transition: opacity .22s;
}
.pillar-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--green-mid); }
.pillar-card:hover::before { opacity: 1; }
.pillar-num {
  font-size: 13px;
  font-weight: 800;
  color: var(--green);
  letter-spacing: .05em;
  margin-bottom: 14px;
  font-feature-settings: 'tnum';
}
.pillar-icon {
  width: 48px;
  height: 48px;
  background: var(--green-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  margin-bottom: 16px;
}
.pillar-card h3 { font-size: 17px; font-weight: 700; color: var(--slate); margin-bottom: 10px; }
.pillar-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.pillar-tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 11px;
  font-weight: 700;
  color: var(--green);
  background: var(--green-light);
  padding: 3px 10px;
  border-radius: 100px;
}

/* ===== FEATURE SHOWCASE (alternating rows) ===== */
.showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
.showcase-row:last-child { border-bottom: none; }
.showcase-row.rev .showcase-visual { order: 2; }
.showcase-row.rev .showcase-content { order: 1; }
.showcase-visual {
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  border-radius: var(--radius-lg);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.showcase-visual.dark { background: linear-gradient(135deg, #1e293b, #0f172a); }
.showcase-visual.amber { background: linear-gradient(135deg, #fffbeb, #fef3c7); }
.sc-visual-icon {
  color: var(--green);
  opacity: .15;
  position: absolute;
}
.sc-demo-box {
  background: white;
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow-md);
  width: 78%;
  position: relative;
  z-index: 1;
}
.sc-demo-box.dark-box { background: #1e293b; }
.sc-demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.sc-demo-label { font-size: 11px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; }
.sc-demo-badge { font-size: 10px; font-weight: 700; background: var(--green-light); color: var(--green); padding: 2px 8px; border-radius: 100px; }
.sc-demo-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.sc-demo-row:last-child { border-bottom: none; }
.sc-demo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); flex-shrink: 0; }
.sc-demo-dot.amber { background: #f59e0b; }
.sc-demo-dot.blue { background: #3b82f6; }
.sc-demo-txt { font-size: 13px; color: var(--text); }
.sc-demo-txt.muted { color: var(--text-muted); }
.showcase-content .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.showcase-content h3 { font-size: 26px; font-weight: 800; color: var(--slate); margin-bottom: 14px; letter-spacing: -.02em; line-height: 1.25; }
.showcase-content p { font-size: 15px; color: var(--text-muted); line-height: 1.75; margin-bottom: 20px; }
.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--slate-mid);
}
.check-icon { color: var(--green); flex-shrink: 0; margin-top: 2px; }

/* ===== PLATFORMS ===== */
.platforms-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 20px;
}
.plat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all .2s;
}
.plat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.plat-card.featured {
  background: linear-gradient(135deg, var(--slate) 0%, #0f172a 100%);
  border-color: transparent;
  color: white;
}
.plat-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.plat-icon-wrap.win-ic { background: rgba(255,255,255,.15); }
.plat-icon-wrap.mac-ic { background: #f1f5f9; }
.plat-icon-wrap.ios-ic { background: #eff6ff; }
.plat-icon-wrap.and-ic { background: #f0fdf4; }
.plat-badge-rec {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--green);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  width: fit-content;
}
.plat-card h3 { font-size: 16px; font-weight: 700; }
.plat-card.featured h3 { color: white; }
.plat-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; flex: 1; }
.plat-card.featured p { color: #94a3b8; }
.plat-meta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.plat-meta-item { font-size: 12px; }
.plat-meta-item .m-key { color: #64748b; margin-bottom: 2px; }
.plat-meta-item.featured-meta .m-key { color: #64748b; }
.plat-meta-item .m-val { font-weight: 700; color: var(--slate); }
.plat-meta-item.featured-meta .m-val { color: #4ade80; }
.btn-dl-win {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: var(--green);
  color: white;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  transition: all .18s;
  width: 100%;
}
.btn-dl-win:hover { background: var(--green-dark); }
.btn-dl-win:disabled { opacity: .7; cursor: wait; }
.btn-dl-other {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  border: 1.5px solid var(--border-dark);
  color: var(--slate-mid);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: all .18s;
  width: 100%;
}
.btn-dl-other:hover { border-color: var(--green); color: var(--green); }
.btn-dl-other:disabled { opacity: .7; cursor: wait; }

/* ===== LANGUAGE COVERAGE ===== */
.lang-coverage { background: var(--slate); padding: 72px 24px; }
.lang-coverage .sec-title { color: white; }
.lang-coverage .sec-sub { color: #94a3b8; }
.lang-coverage .sec-eyebrow { background: rgba(74,222,128,.15); color: #4ade80; }
.lang-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-top: 40px;
}
.lang-cell {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 10px;
  padding: 14px 12px;
  text-align: center;
  transition: all .18s;
}
.lang-cell:hover { background: rgba(22,163,74,.15); border-color: var(--green); }
.lang-flag { font-size: 22px; margin-bottom: 6px; }
.lang-name { font-size: 12px; font-weight: 600; color: #e2e8f0; }
.lang-sub { font-size: 10px; color: #64748b; margin-top: 2px; }
.lang-cell.hot { background: rgba(22,163,74,.12); border-color: rgba(22,163,74,.35); }
.lang-cell.hot .lang-name { color: #4ade80; }
.lang-more-row {
  margin-top: 24px;
  text-align: center;
  color: #64748b;
  font-size: 14px;
}
.lang-more-row strong { color: #94a3b8; }

/* ===== REVIEWS (Masonry style) ===== */
.reviews-masonry {
  columns: 3;
  column-gap: 20px;
}
.review-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  break-inside: avoid;
  transition: all .2s;
}
.review-card:hover { box-shadow: var(--shadow-md); border-color: var(--green-mid); }
.review-stars { display: flex; gap: 3px; color: #f59e0b; margin-bottom: 12px; }
.review-text { font-size: 14px; color: var(--slate-mid); line-height: 1.7; margin-bottom: 16px; }
.review-author { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--green);
  color: white;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.review-name { font-size: 13px; font-weight: 700; color: var(--slate); }
.review-role { font-size: 11px; color: var(--text-muted); }
.review-card.featured-review {
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  border-color: var(--green-mid);
}

/* ===== FAQ ===== */
.faq-section { background: var(--white); }
.faq-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--slate);
  text-align: left;
  transition: color .15s;
}
.faq-q:hover { color: var(--green); }
.faq-q .faq-chevron { flex-shrink: 0; transition: transform .25s; color: var(--text-muted); }
.faq-item.open .faq-q { color: var(--green); }
.faq-item.open .faq-chevron { transform: rotate(180deg); color: var(--green); }
.faq-a { overflow: hidden; max-height: 0; transition: max-height .3s ease; }
.faq-a-inner { padding-bottom: 18px; font-size: 14px; color: var(--text-muted); line-height: 1.75; }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--slate) 0%, #1e3a2f 100%);
  padding: 72px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: rgba(22,163,74,.12);
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -60px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: rgba(74,222,128,.08);
}
.cta-banner h2 { font-size: 34px; font-weight: 800; color: white; margin-bottom: 14px; letter-spacing: -.02em; position: relative; z-index: 1; }
.cta-banner p { font-size: 16px; color: #94a3b8; margin-bottom: 32px; max-width: 520px; margin-left: auto; margin-right: auto; position: relative; z-index: 1; }
.cta-banner .btn-primary { position: relative; z-index: 1; font-size: 16px; padding: 14px 32px; }

/* ===== FOOTER ===== */
footer {
  background: #0f172a;
  padding: 32px 24px;
  text-align: center;
}
.footer-verify {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #4ade80;
  margin-bottom: 12px;
}
.footer-copy { font-size: 12px; color: #475569; line-height: 1.7; }

/* ===== DOWNLOAD PAGE ===== */
.dl-hero {
  background: linear-gradient(135deg, var(--slate) 0%, #1e3a2f 100%);
  padding: 64px 24px 80px;
  position: relative;
  overflow: hidden;
}
.dl-hero::before {
  content: '';
  position: absolute;
  top: -60px; right: 100px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: rgba(22,163,74,.12);
}
.dl-hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}
.dl-hero h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; color: white; margin-bottom: 14px; letter-spacing: -.02em; }
.dl-hero p { font-size: 16px; color: #94a3b8; max-width: 520px; margin: 0 auto; }
.dl-badges { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.dl-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: #94a3b8;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
}
.dl-badge svg { color: #4ade80; }

/* Main Windows download card */
.dl-win-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin: -40px auto 0;
  max-width: 860px;
  position: relative;
  z-index: 2;
  overflow: hidden;
}
.dl-win-card-top {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  padding: 36px 40px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.dl-win-title { font-size: 22px; font-weight: 800; color: white; margin-bottom: 8px; }
.dl-win-meta { display: flex; gap: 16px; flex-wrap: wrap; }
.dl-win-meta-item { font-size: 13px; color: rgba(255,255,255,.8); display: flex; align-items: center; gap: 5px; }
.dl-win-meta-item svg { color: rgba(255,255,255,.6); }
.btn-dl-main {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: white;
  color: var(--green-dark);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 800;
  white-space: nowrap;
  transition: all .18s;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
}
.btn-dl-main:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.2); }
.btn-dl-main:disabled { opacity: .7; cursor: wait; transform: none; }
.dl-win-card-bottom { padding: 28px 40px; display: flex; gap: 32px; align-items: center; flex-wrap: wrap; }
.dl-info-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--slate-mid); }
.dl-info-item svg { color: var(--green); }

/* Other platforms */
.dl-other-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.dl-other-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all .2s;
}
.dl-other-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.dl-other-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.dl-other-icon.mac { background: #f1f5f9; color: #475569; }
.dl-other-icon.ios { background: #eff6ff; color: #3b82f6; }
.dl-other-icon.android { background: #f0fdf4; color: var(--green); }
.dl-other-card h3 { font-size: 17px; font-weight: 700; color: var(--slate); margin-bottom: 8px; }
.dl-other-card p { font-size: 13px; color: var(--text-muted); line-height: 1.65; margin-bottom: 20px; }
.dl-other-reqs { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.dl-req-row { display: flex; align-items: center; justify-content: space-between; font-size: 12px; }
.dl-req-key { color: var(--text-muted); }
.dl-req-val { font-weight: 600; color: var(--slate-mid); }

/* System requirements tabs */
.req-tabs-wrap { margin-top: 52px; }
.req-tabs-wrap h2 { font-size: 22px; font-weight: 800; color: var(--slate); margin-bottom: 24px; }
.req-tabs { display: flex; gap: 4px; background: var(--body-bg); padding: 4px; border-radius: 10px; width: fit-content; margin-bottom: 24px; }
.req-tab {
  padding: 8px 20px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all .15s;
}
.req-tab.active { background: white; color: var(--slate); box-shadow: var(--shadow); }
.req-panel { display: none; }
.req-panel.active { display: block; }
.req-table { width: 100%; border-collapse: collapse; background: white; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.req-table th { background: var(--green); color: white; font-size: 13px; font-weight: 700; padding: 12px 16px; text-align: left; }
.req-table td { padding: 12px 16px; font-size: 13px; border-bottom: 1px solid var(--border); color: var(--slate-mid); }
.req-table tr:last-child td { border-bottom: none; }
.req-table tr:nth-child(even) td { background: #f8fafc; }
.req-table .key-cell { font-weight: 600; color: var(--slate); }

/* Install steps */
.install-steps { margin-top: 52px; }
.install-steps h2 { font-size: 22px; font-weight: 800; color: var(--slate); margin-bottom: 32px; }
.steps-timeline { display: flex; flex-direction: column; gap: 0; position: relative; }
.steps-timeline::before {
  content: '';
  position: absolute;
  left: 22px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--green), var(--green-mid), transparent);
}
.step-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 0 0 32px;
  position: relative;
}
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--green);
  color: white;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
  box-shadow: 0 0 0 4px var(--body-bg);
}
.step-content { padding-top: 10px; }
.step-content h4 { font-size: 15px; font-weight: 700; color: var(--slate); margin-bottom: 6px; }
.step-content p { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

/* ===== ZH-CN PAGE ===== */
.article-hero {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #f0fdf4 100%);
  padding: 56px 24px;
  border-bottom: 1px solid var(--border);
}
.article-hero-inner { max-width: 1180px; margin: 0 auto; }
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--green); font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.article-hero h1 { font-size: clamp(24px, 3.5vw, 40px); font-weight: 800; color: var(--slate); margin-bottom: 12px; letter-spacing: -.02em; line-height: 1.2; }
.article-hero p { font-size: 15px; color: var(--text-muted); max-width: 640px; line-height: 1.75; }
.article-meta { display: flex; align-items: center; gap: 16px; margin-top: 16px; flex-wrap: wrap; }
.article-meta-item { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-muted); }
.article-meta-item svg { color: var(--green); }
.keyword-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }
.kw-tag {
  display: inline-block;
  background: white;
  border: 1px solid var(--border);
  color: var(--slate-mid);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 100px;
  transition: all .15s;
}
.kw-tag:hover { border-color: var(--green); color: var(--green); }

.article-layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 52px 24px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 52px;
  align-items: start;
}
.article-body h2 { font-size: 22px; font-weight: 800; color: var(--slate); margin: 40px 0 14px; letter-spacing: -.01em; padding-top: 8px; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { font-size: 17px; font-weight: 700; color: var(--slate-mid); margin: 24px 0 10px; }
.article-body p { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.article-body ul { margin: 12px 0 20px 20px; list-style: disc; }
.article-body ul li { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 6px; }
.article-body strong { color: var(--slate); font-weight: 700; }
.article-anchor { scroll-margin-top: 80px; }

.article-sidebar { position: sticky; top: 76px; }
.toc-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}
.toc-box h4 { font-size: 13px; font-weight: 700; color: var(--slate); margin-bottom: 14px; text-transform: uppercase; letter-spacing: .06em; }
.toc-list { display: flex; flex-direction: column; gap: 2px; }
.toc-link {
  display: block;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--text-muted);
  border-radius: 6px;
  transition: all .15s;
  border-left: 2px solid transparent;
}
.toc-link:hover { background: var(--green-light); color: var(--green); border-left-color: var(--green); }
.toc-link.active { background: var(--green-light); color: var(--green-dark); font-weight: 600; border-left-color: var(--green); }

.dl-sidebar-card {
  background: linear-gradient(135deg, var(--green), #22c55e);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: white;
}
.dl-sidebar-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.dl-sidebar-card p { font-size: 13px; color: rgba(255,255,255,.8); line-height: 1.6; margin-bottom: 16px; }
.dl-sidebar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px;
  background: white;
  color: var(--green-dark);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  width: 100%;
  transition: all .18s;
}
.dl-sidebar-btn:hover { box-shadow: 0 4px 12px rgba(0,0,0,.15); }
.dl-sidebar-btn:disabled { opacity: .7; cursor: wait; }

/* Comparison table */
.compare-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.compare-table th { background: var(--slate); color: white; font-size: 13px; font-weight: 700; padding: 12px 16px; text-align: left; }
.compare-table th:first-child { background: var(--green); }
.compare-table td { padding: 12px 16px; font-size: 13px; border-bottom: 1px solid var(--border); color: var(--slate-mid); background: var(--white); }
.compare-table tr:nth-child(even) td { background: #f8fafc; }
.compare-table td:first-child { font-weight: 600; color: var(--slate); background: #f8fafc; }
.compare-table .yes { color: var(--green); font-weight: 700; }
.compare-table .no { color: #ef4444; }
.compare-table .partial { color: #f59e0b; font-weight: 600; }

/* Tips grid */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 20px 0;
}
.tip-card {
  background: var(--body-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.tip-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--green);
  color: white;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tip-card h4 { font-size: 13px; font-weight: 700; color: var(--slate); margin-bottom: 4px; }
.tip-card p { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* Version log */
.version-log { display: flex; flex-direction: column; gap: 16px; margin: 20px 0; }
.version-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px;
  background: var(--body-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.version-tag {
  background: var(--green);
  color: white;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
}
.version-date { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.version-changes { font-size: 13px; color: var(--slate-mid); line-height: 1.7; }

/* CTA box for zh-cn */
.article-cta {
  background: linear-gradient(135deg, var(--green), #15803d);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  margin-top: 48px;
}
.article-cta h3 { font-size: 24px; font-weight: 800; color: white; margin-bottom: 12px; }
.article-cta p { font-size: 15px; color: rgba(255,255,255,.85); margin-bottom: 24px; line-height: 1.65; }
.btn-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: white;
  color: var(--green-dark);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 800;
  transition: all .18s;
}
.btn-cta-link:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.2); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-workbench { max-width: 480px; margin: 0 auto; }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .platforms-grid { grid-template-columns: 1fr 1fr; }
  .lang-grid { grid-template-columns: repeat(4, 1fr); }
  .reviews-masonry { columns: 2; }
  .faq-cols { grid-template-columns: 1fr; }
  .showcase-row { grid-template-columns: 1fr; gap: 32px; }
  .showcase-row.rev .showcase-visual { order: 0; }
  .showcase-row.rev .showcase-content { order: 0; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .dl-other-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links a span { display: none; }
  .pillars-grid { grid-template-columns: 1fr; }
  .platforms-grid { grid-template-columns: 1fr; }
  .lang-grid { grid-template-columns: repeat(3, 1fr); }
  .reviews-masonry { columns: 1; }
  .hero-metrics { gap: 20px; }
  .metric-sep { display: none; }
  .dl-win-card-top { grid-template-columns: 1fr; }
  .tips-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .lang-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 52px 16px; }
  .hero { padding: 48px 16px 56px; }
}