/* =============================================
   zh-wps-apps.hl.cn — Magazine / Card Grid Theme
   Color palette: deep slate + amber accent
   ============================================= */

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

:root {
  --slate-950: #0c111d;
  --slate-900: #111827;
  --slate-800: #1f2937;
  --slate-700: #374151;
  --slate-600: #4b5563;
  --slate-400: #9ca3af;
  --slate-300: #d1d5db;
  --slate-100: #f3f4f6;
  --slate-50:  #f9fafb;
  --amber-500: #f59e0b;
  --amber-400: #fbbf24;
  --amber-300: #fcd34d;
  --amber-100: #fef3c7;
  --amber-50:  #fffbeb;
  --green-500: #22c55e;
  --green-100: #dcfce7;
  --blue-500:  #3b82f6;
  --white:     #ffffff;
  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow:    0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.14);
  --transition: .2s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--white);
  color: var(--slate-800);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---- Animations ---- */
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse-badge { 0%,100% { opacity:1; } 50% { opacity:.6; } }

/* ---- Layout ---- */
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }

/* =========================================
   NAVIGATION
   ========================================= */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 17, 29, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--white);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  flex-shrink: 0;
}
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--amber-500);
  border-radius: var(--radius-sm);
  color: var(--slate-950);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  display: block;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  color: var(--slate-300);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,.08); }
.nav-links a.active {
  color: var(--amber-400);
  background: rgba(245,158,11,.12);
}
.nav-dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  background: var(--amber-500);
  color: var(--slate-950);
  font-weight: 700;
  font-size: .88rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
  flex-shrink: 0;
  white-space: nowrap;
}
.nav-dl-btn:hover { background: var(--amber-400); transform: translateY(-1px); }

/* =========================================
   HERO — full-bleed dark band
   ========================================= */
.hero {
  background: linear-gradient(135deg, var(--slate-950) 0%, #162032 100%);
  padding: 80px 0 64px;
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 700px 400px at 70% 50%, rgba(245,158,11,.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(245,158,11,.15);
  border: 1px solid rgba(245,158,11,.3);
  color: var(--amber-400);
  font-size: .82rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 99px;
  margin-bottom: 20px;
  letter-spacing: .03em;
}
.hero-badge-dot {
  width: 7px; height: 7px;
  background: var(--amber-400);
  border-radius: 50%;
  animation: pulse-badge 1.8s ease-in-out infinite;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.22;
  letter-spacing: -.03em;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  color: var(--amber-400);
}
.hero-desc {
  color: var(--slate-400);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  background: var(--amber-500);
  color: var(--slate-950);
  font-weight: 700;
  font-size: .95rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(245,158,11,.35);
}
.btn-primary:hover:not(:disabled) {
  background: var(--amber-400);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245,158,11,.45);
}
.btn-primary:disabled { opacity: .75; cursor: not-allowed; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.18);
  color: var(--slate-300);
  font-weight: 600;
  font-size: .93rem;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.btn-ghost:hover { border-color: rgba(255,255,255,.4); color: var(--white); background: rgba(255,255,255,.05); }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.07);
}
.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.04em;
  line-height: 1;
}
.stat-label {
  font-size: .82rem;
  color: var(--slate-400);
  margin-top: 4px;
}
/* Hero visual side */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-app-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius-xl);
  padding: 28px;
  width: 100%;
  max-width: 380px;
}
.app-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.app-icon-box {
  width: 48px; height: 48px;
  background: var(--amber-500);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-950);
  flex-shrink: 0;
}
.app-card-title { color: var(--white); font-weight: 700; font-size: 1rem; }
.app-card-sub { color: var(--slate-400); font-size: .82rem; margin-top: 2px; }
.app-module-list { display: flex; flex-direction: column; gap: 10px; }
.app-module {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,.04);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.app-module-ico {
  width: 34px; height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.app-module-ico.doc  { background: rgba(59,130,246,.18); color: #60a5fa; }
.app-module-ico.xl   { background: rgba(34,197,94,.18);  color: #4ade80; }
.app-module-ico.ppt  { background: rgba(245,158,11,.18); color: var(--amber-400); }
.app-module-ico.pdf  { background: rgba(239,68,68,.18);  color: #f87171; }
.app-module-name { color: var(--slate-300); font-size: .88rem; font-weight: 500; }
.app-module-tag  { margin-left: auto; background: rgba(34,197,94,.15); color: #4ade80; font-size: .74rem; font-weight: 600; padding: 3px 8px; border-radius: 4px; }

/* =========================================
   FEATURE CARDS (3-col grid)
   ========================================= */
.features-header { text-align: center; margin-bottom: 48px; }
.section-label {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--amber-500);
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -.03em;
  line-height: 1.25;
}
.section-desc {
  color: var(--slate-600);
  max-width: 560px;
  margin: 12px auto 0;
  font-size: 1rem;
}
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feat-card {
  background: var(--white);
  border: 1.5px solid var(--slate-100);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.feat-card:hover {
  border-color: var(--amber-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.feat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.feat-icon.amber { background: var(--amber-100); color: var(--amber-500); }
.feat-icon.blue  { background: #dbeafe; color: var(--blue-500); }
.feat-icon.green { background: var(--green-100); color: var(--green-500); }
.feat-icon.rose  { background: #ffe4e6; color: #f43f5e; }
.feat-icon.violet{ background: #ede9fe; color: #7c3aed; }
.feat-icon.cyan  { background: #cffafe; color: #0891b2; }
.feat-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--slate-900); margin-bottom: 8px; }
.feat-card p  { font-size: .9rem; color: var(--slate-600); line-height: 1.65; }

/* =========================================
   PLATFORM DOWNLOAD — tabbed style
   ========================================= */
.dl-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.dl-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1.5px solid var(--slate-300);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--slate-600);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.dl-tab:hover { border-color: var(--amber-400); color: var(--amber-500); }
.dl-tab.active { border-color: var(--amber-500); background: var(--amber-50); color: var(--amber-500); }
.dl-panel { display: none; }
.dl-panel.active { display: block; animation: fadeUp .3s ease; }
.dl-panel-inner {
  background: linear-gradient(135deg, var(--slate-950) 0%, #162032 100%);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.dl-panel-content h2 { color: var(--white); font-size: 1.7rem; font-weight: 800; margin-bottom: 12px; letter-spacing: -.03em; }
.dl-panel-content p  { color: var(--slate-400); font-size: .95rem; line-height: 1.7; margin-bottom: 24px; }
.dl-meta-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.dl-meta-item { display: flex; align-items: center; gap: 10px; color: var(--slate-300); font-size: .88rem; }
.dl-meta-item svg { color: var(--green-500); flex-shrink: 0; }
.dl-panel-aside {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.dl-panel-aside .platform-icon {
  width: 64px; height: 64px;
  background: rgba(245,158,11,.12);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber-400);
  margin-bottom: 16px;
}
.dl-panel-aside h3 { color: var(--white); font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.dl-panel-aside .version-tag {
  display: inline-block;
  background: rgba(34,197,94,.15);
  color: #4ade80;
  font-size: .78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 20px;
}
.dl-big-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  justify-content: center;
  padding: 14px 24px;
  background: var(--amber-500);
  color: var(--slate-950);
  font-weight: 700;
  font-size: .95rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  box-shadow: 0 4px 16px rgba(245,158,11,.35);
}
.dl-big-btn:hover:not(:disabled) { background: var(--amber-400); transform: translateY(-1px); }
.dl-big-btn:disabled { opacity: .75; cursor: not-allowed; }
.dl-note { margin-top: 14px; text-align: center; font-size: .8rem; color: var(--slate-400); }

/* =========================================
   COMPARISON TABLE
   ========================================= */
.compare-wrap { overflow-x: auto; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 540px; }
.compare-table th, .compare-table td { padding: 14px 18px; text-align: left; font-size: .9rem; }
.compare-table thead tr { background: var(--slate-900); }
.compare-table thead th { color: var(--slate-300); font-weight: 600; font-size: .85rem; letter-spacing: .04em; }
.compare-table thead th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.compare-table thead th:last-child  { border-radius: 0 var(--radius-sm) 0 0; }
.compare-table tbody tr { border-bottom: 1px solid var(--slate-100); }
.compare-table tbody tr:hover { background: var(--amber-50); }
.compare-table tbody td:first-child { font-weight: 600; color: var(--slate-800); }
.check-yes { display: inline-flex; align-items: center; gap: 5px; color: var(--green-500); font-weight: 600; }
.check-no  { color: var(--slate-400); }
.check-partial { color: var(--amber-500); font-weight: 600; }
.highlight-col { background: rgba(245,158,11,.06); }

/* =========================================
   TESTIMONIALS
   ========================================= */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testi-card {
  background: var(--white);
  border: 1.5px solid var(--slate-100);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.testi-stars { display: flex; gap: 3px; margin-bottom: 12px; }
.star { color: var(--amber-400); font-size: 1rem; }
.testi-text { font-size: .9rem; color: var(--slate-700); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 10px; }
.testi-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--amber-400), #f97316);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.testi-name { font-size: .88rem; font-weight: 700; color: var(--slate-800); }
.testi-role { font-size: .78rem; color: var(--slate-400); }

/* =========================================
   FAQ
   ========================================= */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white);
  border: 1.5px solid var(--slate-100);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: .95rem;
  color: var(--slate-800);
  transition: background var(--transition);
  user-select: none;
}
.faq-q:hover { background: var(--slate-50); }
.faq-q.open { color: var(--amber-500); }
.faq-q.open .faq-arrow { transform: rotate(180deg); }
.faq-arrow { color: var(--slate-400); transition: transform .25s ease; flex-shrink: 0; }
.faq-a {
  display: none;
  padding: 0 20px 18px;
  font-size: .9rem;
  color: var(--slate-600);
  line-height: 1.75;
  border-top: 1px solid var(--slate-100);
}
.faq-a.open { display: block; }

/* =========================================
   CTA BAND
   ========================================= */
.cta-band {
  background: linear-gradient(135deg, var(--amber-500) 0%, #f97316 100%);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  width: 400px; height: 400px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
  top: -150px; right: -100px;
  pointer-events: none;
}
.cta-band h2 { color: var(--slate-950); font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; margin-bottom: 10px; letter-spacing: -.03em; }
.cta-band p  { color: rgba(12,17,29,.65); font-size: 1rem; margin-bottom: 28px; }
.btn-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: var(--slate-950);
  color: var(--white);
  font-weight: 700;
  font-size: .95rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
}
.btn-dark:hover:not(:disabled) { background: var(--slate-800); transform: translateY(-2px); }
.btn-dark:disabled { opacity: .75; cursor: not-allowed; }

/* =========================================
   FOOTER
   ========================================= */
.site-footer {
  background: var(--slate-950);
  padding: 40px 0 32px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-weight: 700;
  font-size: .95rem;
}
.footer-logo-icon {
  width: 28px; height: 28px;
  background: var(--amber-500);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--slate-950);
}
.footer-safety {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.2);
  color: #4ade80;
  font-size: .82rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 99px;
}
.footer-disclaimer {
  color: var(--slate-400);
  font-size: .8rem;
  line-height: 1.7;
  max-width: 680px;
}

/* =========================================
   DOWNLOAD PAGE SPECIFIC
   ========================================= */
.page-dl-hero {
  background: linear-gradient(135deg, var(--slate-950) 0%, #0f1f2e 100%);
  padding: 64px 0 56px;
  text-align: center;
}
.page-dl-hero h1 { color: var(--white); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -.03em; margin-bottom: 12px; }
.page-dl-hero .sub { color: var(--slate-400); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

.win-spotlight {
  background: linear-gradient(135deg, #1e1b4b 0%, var(--slate-950) 100%);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.win-spotlight::after {
  content: "";
  position: absolute;
  width: 300px; height: 300px;
  background: rgba(245,158,11,.07);
  border-radius: 50%;
  bottom: -100px; right: -60px;
  pointer-events: none;
}
.win-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(245,158,11,.18);
  color: var(--amber-400);
  font-size: .8rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.win-spotlight h2 { color: var(--white); font-size: 1.8rem; font-weight: 800; letter-spacing: -.03em; margin-bottom: 10px; }
.win-spotlight .desc { color: var(--slate-400); font-size: .95rem; line-height: 1.7; margin-bottom: 24px; }
.win-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}
.spec-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  color: var(--slate-300);
  font-size: .82rem;
  padding: 6px 12px;
  border-radius: 6px;
}
.win-dl-aside {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  min-width: 220px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.win-dl-aside .big-icon {
  width: 72px; height: 72px;
  background: rgba(245,158,11,.12);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber-400);
  margin: 0 auto 16px;
}
.win-dl-aside h3 { color: var(--white); font-weight: 700; font-size: 1rem; margin-bottom: 6px; }
.win-dl-aside .v-tag { background: rgba(34,197,94,.15); color: #4ade80; font-size: .78rem; font-weight: 700; padding: 3px 10px; border-radius: 4px; display: inline-block; margin-bottom: 20px; }

.other-platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.platform-card {
  background: var(--white);
  border: 1.5px solid var(--slate-100);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.platform-card:hover { border-color: var(--amber-300); box-shadow: var(--shadow); transform: translateY(-2px); }
.platform-card .p-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}
.p-icon.mac   { background: #f1f5f9; color: var(--slate-700); }
.p-icon.ios   { background: #eff6ff; color: var(--blue-500); }
.p-icon.and   { background: #f0fdf4; color: var(--green-500); }
.platform-card h3 { font-size: .95rem; font-weight: 700; color: var(--slate-800); margin-bottom: 6px; }
.platform-card p  { font-size: .82rem; color: var(--slate-500); margin-bottom: 16px; line-height: 1.5; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 18px;
  border: 1.5px solid var(--slate-300);
  background: transparent;
  color: var(--slate-700);
  font-weight: 600;
  font-size: .85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
  justify-content: center;
}
.btn-outline:hover:not(:disabled) { border-color: var(--amber-400); color: var(--amber-500); background: var(--amber-50); }
.btn-outline:disabled { opacity: .75; cursor: not-allowed; }

.dl-notes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.dl-note-card {
  background: var(--slate-50);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 12px;
}
.dl-note-card .n-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.n-icon.shield { background: var(--green-100); color: var(--green-500); }
.n-icon.clock  { background: var(--amber-100); color: var(--amber-500); }
.n-icon.device { background: #dbeafe; color: var(--blue-500); }
.dl-note-card h4 { font-size: .88rem; font-weight: 700; color: var(--slate-800); margin-bottom: 4px; }
.dl-note-card p  { font-size: .82rem; color: var(--slate-500); line-height: 1.55; }

/* =========================================
   ZH-CN SEO PAGE
   ========================================= */
.article-hero {
  background: linear-gradient(135deg, var(--amber-50) 0%, #fff7ed 100%);
  padding: 64px 0 52px;
  border-bottom: 1px solid var(--amber-100);
}
.article-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  color: var(--slate-400);
  margin-bottom: 16px;
}
.article-hero .breadcrumb a { color: var(--amber-500); text-decoration: none; }
.article-hero .breadcrumb span { color: var(--slate-300); }
.article-hero h1 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); font-weight: 800; color: var(--slate-900); letter-spacing: -.03em; margin-bottom: 12px; }
.article-hero .meta-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(245,158,11,.12);
  border: 1px solid rgba(245,158,11,.25);
  color: var(--amber-500);
  font-size: .8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
}

.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.article-body h2 { font-size: 1.4rem; font-weight: 800; color: var(--slate-900); margin: 36px 0 14px; padding-top: 8px; letter-spacing: -.02em; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { font-size: 1.1rem; font-weight: 700; color: var(--slate-800); margin: 24px 0 10px; }
.article-body p  { font-size: .95rem; color: var(--slate-600); line-height: 1.8; margin-bottom: 14px; }
.article-body ul, .article-body ol { padding-left: 20px; margin-bottom: 14px; }
.article-body li { font-size: .95rem; color: var(--slate-600); line-height: 1.75; margin-bottom: 5px; }
.article-body strong { color: var(--slate-800); }

.info-box {
  background: var(--amber-50);
  border-left: 3px solid var(--amber-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: .9rem;
  color: var(--slate-700);
  line-height: 1.7;
}
.info-box strong { color: var(--amber-500); }

.version-timeline { display: flex; flex-direction: column; gap: 14px; margin: 16px 0 24px; }
.ver-item {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  background: var(--white);
  border: 1.5px solid var(--slate-100);
  border-radius: var(--radius);
}
.ver-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-top: 5px;
  flex-shrink: 0;
}
.ver-dot.new  { background: var(--green-500); }
.ver-dot.prev { background: var(--amber-400); }
.ver-dot.old  { background: var(--slate-400); }
.ver-num  { font-weight: 700; color: var(--slate-800); font-size: .9rem; }
.ver-desc { font-size: .85rem; color: var(--slate-500); margin-top: 3px; line-height: 1.5; }

/* Sticky sidebar */
.article-sidebar { position: sticky; top: 80px; }
.sidebar-card {
  background: var(--white);
  border: 1.5px solid var(--slate-100);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
}
.sidebar-card h4 { font-size: .88rem; font-weight: 700; color: var(--slate-800); margin-bottom: 14px; text-transform: uppercase; letter-spacing: .06em; }
.toc-list { list-style: none; display: flex; flex-direction: column; gap: 5px; }
.toc-list a { font-size: .86rem; color: var(--slate-500); text-decoration: none; padding: 3px 0; display: block; transition: color var(--transition); }
.toc-list a:hover { color: var(--amber-500); }
.sidebar-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  padding: 13px 20px;
  background: var(--amber-500);
  color: var(--slate-950);
  font-weight: 700;
  font-size: .92rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
  margin-bottom: 10px;
}
.sidebar-cta-btn:hover { background: var(--amber-400); transform: translateY(-1px); }
.sidebar-safe { text-align: center; font-size: .78rem; color: var(--slate-400); display: flex; align-items: center; justify-content: center; gap: 5px; }

/* big CTA at bottom of article */
.article-cta {
  background: linear-gradient(135deg, var(--slate-950) 0%, #162032 100%);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  text-align: center;
  margin-top: 40px;
}
.article-cta h2 { color: var(--white); font-size: 1.6rem; font-weight: 800; margin-bottom: 10px; letter-spacing: -.03em; }
.article-cta p  { color: var(--slate-400); font-size: .95rem; margin-bottom: 24px; }

/* =========================================
   BACKGROUND BAND
   ========================================= */
.bg-slate { background: var(--slate-950); }
.bg-slate .section-title { color: var(--white); }
.bg-slate .section-desc  { color: var(--slate-400); }
.bg-amber-light { background: var(--amber-50); }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 900px) {
  .hero-layout { grid-template-columns: 1fr; }
  .hero-visual  { display: none; }
  .cards-3      { grid-template-columns: 1fr 1fr; }
  .testi-grid   { grid-template-columns: 1fr 1fr; }
  .dl-panel-inner { grid-template-columns: 1fr; }
  .other-platforms { grid-template-columns: 1fr 1fr; }
  .dl-notes-grid { grid-template-columns: 1fr 1fr; }
  .win-spotlight { grid-template-columns: 1fr; }
  .win-dl-aside  { min-width: 0; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}
@media (max-width: 640px) {
  .section { padding: 48px 0; }
  .cards-3 { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .other-platforms { grid-template-columns: 1fr; }
  .dl-notes-grid { grid-template-columns: 1fr; }
  .dl-panel-inner, .win-spotlight, .cta-band { padding: 28px 20px; }
  .nav-dl-btn { display: none; }
}