/* ==========================================================
   WPS Office - Clay Studio / Ceramic Modern Theme
   Warm Bisque + Terracotta + Celadon + Cobalt
   ========================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #fdf6e3;
  color: #292524;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul, ol { list-style: none; }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: 14px; font-weight: 600; font-size: 15px;
  transition: all .2s ease; line-height: 1;
}
.btn-terracotta { background: #c2410c; color: #fff; }
.btn-terracotta:hover { background: #9a3412; transform: translateY(-1px); }
.btn-celadon { background: #65a30d; color: #fff; }
.btn-celadon:hover { background: #4d7c0f; transform: translateY(-1px); }
.btn-cobalt { background: #1e40af; color: #fff; }
.btn-cobalt:hover { background: #1e3a8a; transform: translateY(-1px); }
.btn-outline { background: transparent; color: #c2410c; border: 2px solid #c2410c; }
.btn-outline:hover { background: #c2410c; color: #fff; }
.btn-outline-w { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.6); }
.btn-outline-w:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-white { background: #fff; color: #c2410c; }
.btn-white:hover { background: #fff8f0; }
.btn-ghost { background: rgba(255,255,255,.15); color: #fff; backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,.25); }
.btn-lg { padding: 16px 36px; border-radius: 16px; font-size: 17px; }
.btn-sm { padding: 8px 18px; border-radius: 10px; font-size: 13px; }

/* Wrap & Sections */
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.sec { padding: 80px 0; }
.sec-bisque { background: #fdf6e3; }
.sec-cream { background: #fff8f0; }
.sec-cream2 { background: #fff5e6; }
.sec-terracotta { background: #c2410c; color: #fff; }
.sec-ink { background: #292524; color: #fff; }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.sec-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 16px;
}
.ey-terracotta { background: rgba(194,65,12,.1); color: #c2410c; }
.ey-celadon { background: rgba(101,163,13,.1); color: #65a30d; }
.ey-cobalt { background: rgba(30,64,175,.1); color: #1e40af; }
.ey-white { background: rgba(255,255,255,.15); color: #fff; }
.ey-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.ey-dot.terracotta { background: #c2410c; }
.ey-dot.celadon { background: #65a30d; }
.ey-dot.cobalt { background: #1e40af; }
.ey-dot.white { background: #fff; }
.sec-title { font-size: 34px; font-weight: 800; line-height: 1.15; color: #292524; }
.sec-title.light { color: #fff; }
.sec-sub { font-size: 17px; color: #78716c; margin-top: 12px; line-height: 1.6; }
.sec-sub.light { color: rgba(255,255,255,.75); }
.hl { color: #c2410c; }
.hl2 { color: #65a30d; }
.hl3 { color: #1e40af; }

/* Navigation */
.cs-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(253,246,227,.85); backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid rgba(194,65,12,.08);
}
.cs-nav-inner { display: flex; align-items: center; justify-content: space-between; max-width: 1160px; margin: 0 auto; padding: 0 24px; height: 66px; }
.cs-brand { display: flex; align-items: center; gap: 10px; }
.cs-brand-mark {
  width: 34px; height: 34px; border-radius: 10px; background: #c2410c;
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 18px;
}
.cs-brand-text { display: flex; flex-direction: column; }
.cs-brand-name { font-size: 16px; font-weight: 800; color: #292524; line-height: 1.2; }
.cs-brand-sub { font-size: 11px; color: #a8a29e; font-weight: 500; line-height: 1.2; }
.cs-links { display: flex; align-items: center; gap: 6px; }
.cs-link {
  padding: 6px 14px; border-radius: 10px; font-size: 14px; font-weight: 500; color: #57534e;
  transition: all .2s ease;
}
.cs-link:hover { color: #c2410c; background: rgba(194,65,12,.06); }
.cs-link.on { background: #c2410c; color: #fff; }
.cs-cta { display: none; }
.cs-burger { display: none; flex-direction: column; gap: 5px; padding: 8px; background: none; border: none; cursor: pointer; }
.cs-burger span { display: block; width: 24px; height: 2px; background: #292524; border-radius: 2px; transition: .2s; }
.cs-mob { display: none; position: absolute; top: 66px; left: 0; right: 0; background: rgba(253,246,227,.97); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(194,65,12,.1); padding: 16px 24px; }
.cs-mob.show { display: block; }
.cs-mob a { display: block; padding: 10px 0; font-size: 15px; color: #44403c; border-bottom: 1px solid rgba(0,0,0,.05); }
.cs-mob a.on { color: #c2410c; font-weight: 600; }

/* Hero */
.hero { padding: 64px 0 80px; background: linear-gradient(160deg, #fdf6e3 0%, #fff5e6 50%, #fdf6e3 100%); }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.hero-text { max-width: 560px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: rgba(194,65,12,.1); color: #c2410c; font-size: 13px; font-weight: 600; margin-bottom: 20px; }
.hero-eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: #c2410c; }
.hero-h1 { font-size: 44px; font-weight: 900; line-height: 1.15; color: #292524; }
.hero-p { font-size: 17px; color: #78716c; margin-top: 18px; line-height: 1.7; }
.hero-btns { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 20px; margin-top: 28px; flex-wrap: wrap; }
.hero-trust-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #a8a29e; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 36px; }
.hero-stat { background: #fff; border-radius: 16px; padding: 18px; box-shadow: 0 2px 12px rgba(0,0,0,.04); text-align: center; }
.hero-stat-num { font-size: 24px; font-weight: 800; }
.hero-stat-num.c-terracotta { color: #c2410c; }
.hero-stat-num.c-celadon { color: #65a30d; }
.hero-stat-num.c-cobalt { color: #1e40af; }
.hero-stat-num.c-amber { color: #d97706; }
.hero-stat-lbl { font-size: 12px; color: #a8a29e; margin-top: 4px; }
.hero-vis { position: relative; }
.hero-panel {
  background: #fff; border-radius: 20px; padding: 20px; box-shadow: 0 8px 32px rgba(0,0,0,.08);
  border: 1px solid rgba(0,0,0,.04);
}
.hp-topbar { display: flex; align-items: center; gap: 6px; margin-bottom: 14px; }
.hp-dot { width: 10px; height: 10px; border-radius: 50%; }
.hp-dot.r { background: #ef4444; }
.hp-dot.y { background: #f59e0b; }
.hp-dot.g { background: #22c55e; }
.hp-title { font-size: 13px; font-weight: 700; color: #292524; margin-left: 8px; }
.hp-body { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.hp-card {
  background: #fff8f0; border-radius: 12px; padding: 12px; text-align: center;
  border: 1px solid rgba(194,65,12,.06);
}
.hp-card-lbl { font-size: 11px; color: #a8a29e; }
.hp-card-val { font-size: 18px; font-weight: 800; margin-top: 2px; }
.hp-card-val.c-terracotta { color: #c2410c; }
.hp-card-val.c-celadon { color: #65a30d; }
.hp-card-val.c-cobalt { color: #1e40af; }
.hp-card-val.c-amber { color: #d97706; }
.hp-bars { margin-top: 14px; }
.hp-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.hp-bar-lbl { font-size: 11px; color: #a8a29e; width: 48px; flex-shrink: 0; }
.hp-bar-track { flex: 1; height: 8px; background: #e7e5e4; border-radius: 4px; overflow: hidden; }
.hp-bar-fill { height: 100%; border-radius: 4px; }
.hp-bar-fill.bt { background: #c2410c; }
.hp-bar-fill.bc { background: #65a30d; }
.hp-bar-fill.bb { background: #1e40af; }
.hp-bar-fill.ba { background: #d97706; }
.hp-bar-val { font-size: 11px; color: #78716c; width: 32px; text-align: right; }

/* Stats Band */
.stats-band { padding: 32px 0; background: #fff8f0; border-top: 1px solid rgba(194,65,12,.06); border-bottom: 1px solid rgba(194,65,12,.06); }
.stats-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.stat-item { text-align: center; }
.stat-num { font-size: 28px; font-weight: 800; }
.stat-num.c-terracotta { color: #c2410c; }
.stat-num.c-celadon { color: #65a30d; }
.stat-num.c-cobalt { color: #1e40af; }
.stat-num.c-amber { color: #d97706; }
.stat-num.c-white { color: #fff; }
.stat-lbl { font-size: 13px; color: #a8a29e; margin-top: 4px; }

/* Feature Cards */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.feat-card {
  background: #fff; border-radius: 20px; padding: 28px;
  box-shadow: 0 2px 12px rgba(0,0,0,.04); border: 1px solid rgba(0,0,0,.04);
  transition: all .25s ease; position: relative; overflow: hidden;
}
.feat-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,.08); }
.feat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; border-radius: 20px 20px 0 0;
  transition: height .25s ease;
}
.feat-card:hover::before { height: 6px; }
.fc-terracotta::before { background: #c2410c; }
.fc-celadon::before { background: #65a30d; }
.fc-cobalt::before { background: #1e40af; }
.fc-amber::before { background: #d97706; }
.fc-rose::before { background: #e11d48; }
.fc-teal::before { background: #0d9488; }
.feat-icon {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 16px;
}
.fi-terracotta { background: rgba(194,65,12,.1); color: #c2410c; }
.fi-celadon { background: rgba(101,163,13,.1); color: #65a30d; }
.fi-cobalt { background: rgba(30,64,175,.1); color: #1e40af; }
.fi-amber { background: rgba(217,119,6,.1); color: #d97706; }
.fi-rose { background: rgba(225,29,72,.1); color: #e11d48; }
.fi-teal { background: rgba(13,148,136,.1); color: #0d9488; }
.feat-name { font-size: 18px; font-weight: 700; color: #292524; margin-bottom: 8px; }
.feat-desc { font-size: 14px; color: #78716c; line-height: 1.6; }

/* Deep Rows */
.deep-row { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; max-width: 1160px; margin: 0 auto; padding: 64px 24px; }
.deep-row.flip { direction: rtl; }
.deep-row.flip > * { direction: ltr; }
.deep-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 14px;
}
.dc-terracotta { background: rgba(194,65,12,.1); color: #c2410c; }
.dc-celadon { background: rgba(101,163,13,.1); color: #65a30d; }
.dc-cobalt { background: rgba(30,64,175,.1); color: #1e40af; }
.dc-amber { background: rgba(217,119,6,.1); color: #d97706; }
.deep-chip-dot { width: 8px; height: 8px; border-radius: 50%; }
.deep-h3 { font-size: 28px; font-weight: 800; color: #292524; line-height: 1.2; margin-bottom: 14px; }
.deep-desc { font-size: 15px; color: #78716c; line-height: 1.7; margin-bottom: 18px; }
.deep-list { display: flex; flex-direction: column; gap: 10px; }
.deep-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: #57534e; }
.dl-dot { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; flex-shrink: 0; margin-top: 1px; }
.dl-dot.terracotta { background: rgba(194,65,12,.12); color: #c2410c; }
.dl-dot.celadon { background: rgba(101,163,13,.12); color: #65a30d; }
.dl-dot.cobalt { background: rgba(30,64,175,.12); color: #1e40af; }
.dl-dot.amber { background: rgba(217,119,6,.12); color: #d97706; }
.deep-vis { background: #fff; border-radius: 20px; padding: 24px; box-shadow: 0 4px 20px rgba(0,0,0,.06); border: 1px solid rgba(0,0,0,.04); }
.dv-panel-title { font-size: 13px; font-weight: 700; color: #292524; margin-bottom: 14px; }
.dv-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.dv-bar-label { font-size: 11px; color: #a8a29e; width: 56px; flex-shrink: 0; }
.dv-bar-track { flex: 1; height: 10px; background: #e7e5e4; border-radius: 5px; overflow: hidden; }
.dv-bar-fill { height: 100%; border-radius: 5px; }
.dv-bar-fill.bf-terracotta { background: #c2410c; }
.dv-bar-fill.bf-celadon { background: #65a30d; }
.dv-bar-fill.bf-cobalt { background: #1e40af; }
.dv-bar-fill.bf-amber { background: #d97706; }
.dv-bar-fill.bf-sand { background: #d6d3d1; }
.dv-bar-val { font-size: 11px; color: #78716c; width: 36px; text-align: right; }
.dv-stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 18px; }
.dv-stat { text-align: center; padding: 12px; background: #fff8f0; border-radius: 12px; }
.dv-stat-num { font-size: 20px; font-weight: 800; }
.dv-stat-num.c-terracotta { color: #c2410c; }
.dv-stat-num.c-celadon { color: #65a30d; }
.dv-stat-num.c-cobalt { color: #1e40af; }
.dv-stat-num.c-white { color: #fff; }
.dv-stat-lbl { font-size: 11px; color: #a8a29e; margin-top: 4px; }

/* Module Tabs */
.ftab-section { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.ftab-nav { display: flex; gap: 8px; margin-bottom: 36px; flex-wrap: wrap; }
.ftab-btn {
  padding: 10px 22px; border-radius: 12px; font-size: 14px; font-weight: 600;
  background: #fff; color: #78716c; border: 1px solid #e7e5e4; cursor: pointer; transition: all .2s;
}
.ftab-btn:hover { border-color: #c2410c; color: #c2410c; }
.ftab-btn.active { background: #c2410c; color: #fff; border-color: #c2410c; }
.ftab-panel { display: none; }
.ftab-panel.active { display: block; }

/* Platform Cards */
.plat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.plat-card {
  background: #fff; border-radius: 20px; padding: 28px 24px; text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,.04); border: 1px solid rgba(0,0,0,.04);
  transition: all .2s ease;
}
.plat-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.08); }
.plat-card.featured { border: 2px solid #c2410c; position: relative; }
.plat-badge {
  position: absolute; top: -10px; left: 50%; transform: translateX(-50%);
  background: #c2410c; color: #fff; font-size: 11px; font-weight: 700;
  padding: 4px 12px; border-radius: 999px;
}
.plat-icon { width: 52px; height: 52px; margin: 0 auto 14px; display: grid; place-items: center; border-radius: 14px; background: #fff8f0; }
.plat-name { font-size: 17px; font-weight: 700; color: #292524; }
.plat-ver { font-size: 12px; color: #a8a29e; margin-top: 4px; }
.plat-req { font-size: 12px; color: #a8a29e; margin-top: 8px; line-height: 1.5; }
.plat-btn { margin-top: 16px; }

/* Reviews */
.rev-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.rev-card {
  background: #fff; border-radius: 20px; padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,.04); border: 1px solid rgba(0,0,0,.04);
}
.rev-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.rev-avatar {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  font-size: 15px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.av-terracotta { background: linear-gradient(135deg, #c2410c, #ea580c); }
.av-celadon { background: linear-gradient(135deg, #65a30d, #84cc16); }
.av-cobalt { background: linear-gradient(135deg, #1e40af, #3b82f6); }
.av-amber { background: linear-gradient(135deg, #d97706, #fbbf24); }
.av-rose { background: linear-gradient(135deg, #e11d48, #f43f5e); }
.av-teal { background: linear-gradient(135deg, #0d9488, #14b8a6); }
.rev-name { font-size: 15px; font-weight: 700; color: #292524; }
.rev-role { font-size: 12px; color: #a8a29e; }
.rev-stars { display: flex; gap: 3px; margin-bottom: 10px; }
.rev-star { color: #f59e0b; }
.rev-text { font-size: 14px; color: #57534e; line-height: 1.65; }

/* Security Items */
.sec-items { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1160px; margin: 0 auto 48px; padding: 0 24px; }
.sec-item {
  background: #fff; border-radius: 18px; padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,.04); border: 1px solid rgba(0,0,0,.04);
}
.sec-item-icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px;
}
.si-terracotta { background: rgba(194,65,12,.1); color: #c2410c; }
.si-celadon { background: rgba(101,163,13,.1); color: #65a30d; }
.si-cobalt { background: rgba(30,64,175,.1); color: #1e40af; }
.si-amber { background: rgba(217,119,6,.1); color: #d97706; }
.sec-item-title { font-size: 16px; font-weight: 700; color: #292524; margin-bottom: 6px; }
.sec-item-desc { font-size: 13px; color: #78716c; line-height: 1.6; }

/* Comparison Table */
.cmp-wrap { max-width: 960px; margin: 0 auto; padding: 0 24px; overflow-x: auto; }
.cmp-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 14px; }
.cmp-table th, .cmp-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid #e7e5e4; }
.cmp-table th { background: #292524; color: #fff; font-weight: 600; }
.cmp-table th:first-child { border-radius: 12px 0 0 0; }
.cmp-table th:last-child { border-radius: 0 12px 0 0; }
.cmp-table tr:last-child td:first-child { border-radius: 0 0 0 12px; }
.cmp-table tr:last-child td:last-child { border-radius: 0 0 12px 0; }
.cmp-table td { background: #fff; }
.cmp-hl { background: #fff8f0 !important; font-weight: 600; }
.yes { color: #65a30d; font-weight: 600; }
.no { color: #a8a29e; }
.part { color: #d97706; font-weight: 600; }

/* Version Cards */
.ver-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 960px; margin: 0 auto; padding: 0 24px; }
.ver-card {
  background: #fff; border-radius: 20px; padding: 32px 28px;
  box-shadow: 0 2px 12px rgba(0,0,0,.04); border: 1px solid rgba(0,0,0,.04);
  position: relative; transition: all .2s ease;
}
.ver-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.08); }
.ver-card.popular { border: 2px solid #c2410c; }
.ver-pop-badge {
  position: absolute; top: -10px; right: 20px;
  background: #c2410c; color: #fff; font-size: 11px; font-weight: 700;
  padding: 4px 12px; border-radius: 999px;
}
.ver-name { font-size: 20px; font-weight: 800; color: #292524; margin-bottom: 6px; }
.ver-desc { font-size: 13px; color: #a8a29e; margin-bottom: 18px; }
.ver-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 18px; }
.ver-price-main { font-size: 32px; font-weight: 900; color: #c2410c; }
.ver-price-main.free { font-size: 28px; color: #65a30d; }
.ver-price-note { font-size: 13px; color: #a8a29e; }
.ver-sep { height: 1px; background: #e7e5e4; margin-bottom: 18px; }
.ver-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.ver-list li { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; color: #57534e; }
.ver-check { color: #65a30d; flex-shrink: 0; margin-top: 2px; }
.ver-cta { width: 100%; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.faq-item { border-bottom: 1px solid #e7e5e4; }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 20px 0; font-size: 16px; font-weight: 600; color: #292524;
  background: none; border: none; text-align: left; cursor: pointer;
}
.faq-chevron { width: 20px; height: 20px; color: #a8a29e; transition: transform .25s ease; flex-shrink: 0; }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-item.open .faq-a { max-height: 500px; }
.faq-a-inner { padding: 0 0 20px; font-size: 14px; color: #78716c; line-height: 1.7; }

/* CTA Banner */
.cta-banner { padding: 80px 0; background: linear-gradient(135deg, #c2410c, #ea580c); }
.cta-inner { max-width: 720px; margin: 0 auto; text-align: center; padding: 0 24px; }
.cta-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border-radius: 999px; background: rgba(255,255,255,.15); color: #fff; font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.cta-h2 { font-size: 34px; font-weight: 800; color: #fff; line-height: 1.2; }
.cta-p { font-size: 17px; color: rgba(255,255,255,.85); margin-top: 14px; line-height: 1.6; }
.cta-btns { display: flex; gap: 14px; justify-content: center; margin-top: 28px; flex-wrap: wrap; }

/* Footer */
.site-footer { background: #292524; padding: 40px 0; }
.footer-inner { max-width: 1160px; margin: 0 auto; padding: 0 24px; text-align: center; }
.footer-brand { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand-mark {
  width: 30px; height: 30px; border-radius: 8px; background: #c2410c;
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 16px;
}
.footer-brand-name { font-size: 15px; font-weight: 700; color: #fff; }
.footer-security { font-size: 13px; color: #a8a29e; margin-bottom: 8px; }
.footer-note { font-size: 12px; color: #78716c; }

/* Download Page */
.dl-hero { padding: 56px 0 48px; background: linear-gradient(160deg, #fdf6e3 0%, #fff5e6 50%, #fdf6e3 100%); text-align: center; }
.dl-hero-tag { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: rgba(194,65,12,.1); color: #c2410c; font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.dl-hero-h1 { font-size: 36px; font-weight: 900; color: #292524; }
.dl-hero-sub { font-size: 16px; color: #78716c; margin-top: 12px; }
.dl-main-wrap { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.dl-main-card {
  background: #fff; border-radius: 24px; padding: 32px;
  box-shadow: 0 8px 32px rgba(0,0,0,.08); border: 1px solid rgba(0,0,0,.04);
}
.dl-main-top { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.dl-main-head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.dl-main-icon { width: 56px; height: 56px; border-radius: 16px; background: #fff8f0; display: grid; place-items: center; }
.dl-main-name { font-size: 22px; font-weight: 800; color: #292524; }
.dl-main-meta { font-size: 13px; color: #a8a29e; margin-top: 2px; }
.dl-main-body { margin-top: 20px; }
.dl-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 20px; }
.dl-spec { background: #fff8f0; border-radius: 12px; padding: 14px; }
.dl-spec-label { font-size: 11px; color: #a8a29e; margin-bottom: 4px; }
.dl-spec-val { font-size: 14px; font-weight: 700; color: #292524; }
.dl-sec-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 10px; background: rgba(101,163,13,.1); color: #65a30d; font-size: 13px; font-weight: 600; margin-bottom: 20px; }
.dl-main-btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* Other Platform Cards */
.op-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 960px; margin: 0 auto; padding: 0 24px; }
.op-card {
  background: #fff; border-radius: 20px; padding: 28px;
  box-shadow: 0 2px 12px rgba(0,0,0,.04); border: 1px solid rgba(0,0,0,.04);
}
.op-icon { width: 48px; height: 48px; border-radius: 14px; background: #fff8f0; display: grid; place-items: center; margin-bottom: 14px; }
.op-name { font-size: 18px; font-weight: 700; color: #292524; }
.op-ver { font-size: 13px; color: #a8a29e; margin-top: 2px; }
.op-req { font-size: 12px; color: #a8a29e; margin-top: 8px; line-height: 1.5; }
.op-steps { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.op-step { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: #57534e; }
.op-step-n {
  width: 22px; height: 22px; border-radius: 50%; background: #c2410c; color: #fff;
  display: grid; place-items: center; font-size: 11px; font-weight: 700; flex-shrink: 0;
}
.op-btn { margin-top: 18px; width: 100%; }

/* Guide Grid */
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; max-width: 960px; margin: 0 auto; padding: 0 24px; }
.guide-col-title { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; color: #292524; margin-bottom: 20px; }
.guide-col-dot { width: 10px; height: 10px; border-radius: 50%; }
.guide-col-dot.gcd-terracotta { background: #c2410c; }
.guide-col-dot.gcd-celadon { background: #65a30d; }
.guide-steps { display: flex; flex-direction: column; gap: 16px; }
.gstep { display: flex; gap: 14px; }
.gstep-num {
  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
  font-size: 13px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.gsn-terracotta { background: #c2410c; }
.gsn-celadon { background: #65a30d; }
.gstep-body { flex: 1; }
.gstep-title { font-size: 15px; font-weight: 700; color: #292524; margin-bottom: 4px; }
.gstep-desc { font-size: 13px; color: #78716c; line-height: 1.6; }

/* Requirement Cards */
.req-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.req-card {
  background: #fff; border-radius: 18px; padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,.04); border: 1px solid rgba(0,0,0,.04);
}
.req-icon { width: 44px; height: 44px; border-radius: 12px; background: #fff8f0; display: grid; place-items: center; margin-bottom: 14px; }
.req-title { font-size: 16px; font-weight: 700; color: #292524; margin-bottom: 10px; }
.req-rows { display: flex; flex-direction: column; gap: 8px; }
.req-row { display: flex; justify-content: space-between; font-size: 13px; }
.req-label { color: #a8a29e; }
.req-val { color: #57534e; font-weight: 500; }

/* Version Timeline */
.ver-list { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.ver-item { display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid #e7e5e4; }
.ver-dot-col { display: flex; flex-direction: column; align-items: center; }
.ver-dot { width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; }
.ver-dot.vd-terracotta { background: #c2410c; }
.ver-dot.vd-celadon { background: #65a30d; }
.ver-dot.vd-cobalt { background: #1e40af; }
.ver-dot.vd-amber { background: #d97706; }
.ver-dot.vd-rose { background: #e11d48; }
.ver-line { width: 2px; flex: 1; background: #e7e5e4; margin-top: 6px; }
.ver-body { flex: 1; }
.ver-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.ver-num { font-size: 18px; font-weight: 800; color: #292524; }
.ver-tag { font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.ver-tag.vt-stable { background: rgba(101,163,13,.1); color: #65a30d; }
.ver-tag.vt-lts { background: rgba(30,64,175,.1); color: #1e40af; }
.ver-tag.vt-beta { background: rgba(217,119,6,.1); color: #d97706; }
.ver-date { font-size: 13px; color: #a8a29e; }
.ver-desc { font-size: 14px; color: #57534e; line-height: 1.7; margin-top: 6px; }
.ver-desc li { margin-bottom: 4px; }

/* Security Banner */
.sec-banner {
  max-width: 800px; margin: 0 auto; padding: 28px;
  background: #fff; border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,.06); border: 1px solid rgba(0,0,0,.04);
  display: flex; align-items: flex-start; gap: 16px;
}
.sec-banner-icon { width: 48px; height: 48px; border-radius: 14px; background: rgba(101,163,13,.1); color: #65a30d; display: grid; place-items: center; flex-shrink: 0; }
.sec-banner-title { font-size: 18px; font-weight: 700; color: #292524; margin-bottom: 6px; }
.sec-banner-desc { font-size: 14px; color: #78716c; line-height: 1.6; }

/* Article Page */
.art-hero { padding: 48px 0; background: linear-gradient(160deg, #fdf6e3 0%, #fff5e6 50%, #fdf6e3 100%); }
.art-hero-crumb { font-size: 13px; color: #a8a29e; margin-bottom: 14px; }
.art-hero-crumb a { color: #c2410c; }
.art-hero-crumb span { color: #d6d3d1; margin: 0 8px; }
.art-hero-title { font-size: 32px; font-weight: 900; color: #292524; line-height: 1.2; }
.art-hero-sub { font-size: 16px; color: #78716c; margin-top: 12px; line-height: 1.6; }
.kw-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.kw {
  padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 500;
  background: #fff; border: 1px solid #e7e5e4; color: #57534e;
}
.art-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; max-width: 1160px; margin: 0 auto; padding: 48px 24px; }
.art-body { min-width: 0; }
.art-body h2 { font-size: 24px; font-weight: 800; color: #292524; margin: 40px 0 16px; }
.art-body h2:first-child { margin-top: 0; }
.art-body p { font-size: 15px; color: #57534e; line-height: 1.8; margin-bottom: 14px; }
.art-body ul, .art-body ol { margin-bottom: 14px; padding-left: 22px; }
.art-body ul { list-style: disc; }
.art-body ol { list-style: decimal; }
.art-body li { font-size: 15px; color: #57534e; line-height: 1.8; margin-bottom: 6px; }
.art-body strong { color: #292524; }
.inline-cta {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 24px; border-radius: 16px; margin: 28px 0;
}
.inline-cta.ic-terracotta { background: rgba(194,65,12,.08); border-left: 4px solid #c2410c; }
.inline-cta.ic-celadon { background: rgba(101,163,13,.08); border-left: 4px solid #65a30d; }
.inline-cta.ic-cobalt { background: rgba(30,64,175,.08); border-left: 4px solid #1e40af; }
.inline-cta-body { flex: 1; }
.inline-cta-title { font-size: 17px; font-weight: 700; color: #292524; margin-bottom: 6px; }
.inline-cta-desc { font-size: 14px; color: #78716c; line-height: 1.6; }
.tips-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 20px 0; }
.tip-card {
  background: #fff; border-radius: 14px; padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,.04); border: 1px solid rgba(0,0,0,.04);
}
.tip-num { font-size: 22px; font-weight: 800; color: #c2410c; margin-bottom: 6px; }
.tip-title { font-size: 15px; font-weight: 700; color: #292524; margin-bottom: 6px; }
.tip-desc { font-size: 13px; color: #78716c; line-height: 1.6; }
.art-bottom-cta {
  background: #292524; border-radius: 20px; padding: 40px; text-align: center; margin-top: 48px;
}
.art-bottom-cta h3 { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.art-bottom-cta p { font-size: 15px; color: rgba(255,255,255,.75); margin-bottom: 20px; }

/* Sidebar */
.sidebar { position: sticky; top: 90px; height: fit-content; }
.sbox { background: #fff; border-radius: 18px; padding: 24px; margin-bottom: 20px; box-shadow: 0 2px 12px rgba(0,0,0,.04); border: 1px solid rgba(0,0,0,.04); }
.sbox-title { font-size: 15px; font-weight: 700; color: #292524; margin-bottom: 14px; }
.sdl-btn {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 12px; border-radius: 12px; background: #fff8f0; margin-bottom: 10px;
  font-size: 14px; color: #292524; transition: all .2s; border: 1px solid transparent;
}
.sdl-btn:hover { background: #fff; border-color: #c2410c; }
.sdl-btn.primary { background: #c2410c; color: #fff; }
.sdl-btn.primary:hover { background: #9a3412; }
.sdl-btn-icon { width: 36px; height: 36px; border-radius: 10px; background: rgba(0,0,0,.04); display: grid; place-items: center; flex-shrink: 0; }
.sdl-btn-name { font-weight: 600; }
.sdl-btn-ver { font-size: 11px; color: #a8a29e; }
.stoc { display: flex; flex-direction: column; gap: 8px; }
.stoc-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #57534e; padding: 6px 0; border-bottom: 1px solid #f5f5f4; }
.stoc-dot { width: 6px; height: 6px; border-radius: 50%; background: #c2410c; flex-shrink: 0; }
.sstat { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sstat-item { text-align: center; padding: 10px; background: #fff8f0; border-radius: 10px; }
.sstat-num { font-size: 18px; font-weight: 800; color: #c2410c; }
.sstat-lbl { font-size: 11px; color: #a8a29e; margin-top: 2px; }
.side-security { font-size: 12px; color: #65a30d; display: flex; align-items: center; gap: 6px; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner { gap: 36px; }
  .hero-h1 { font-size: 38px; }
  .deep-row { gap: 32px; }
  .art-layout { grid-template-columns: 1fr 260px; gap: 28px; }
}
@media (max-width: 900px) {
  .cs-links { display: none; }
  .cs-cta { display: block; }
  .cs-burger { display: flex; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-vis { order: -1; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .deep-row { grid-template-columns: 1fr; }
  .deep-row.flip { direction: ltr; }
  .plat-grid { grid-template-columns: repeat(2, 1fr); }
  .rev-grid { grid-template-columns: repeat(2, 1fr); }
  .sec-items { grid-template-columns: repeat(2, 1fr); }
  .ver-grid { grid-template-columns: 1fr; max-width: 480px; }
  .op-grid { grid-template-columns: 1fr; max-width: 480px; }
  .guide-grid { grid-template-columns: 1fr; }
  .req-grid { grid-template-columns: repeat(2, 1fr); }
  .art-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .stats-row { grid-template-columns: repeat(3, 1fr); }
  .dl-specs { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .sec { padding: 56px 0; }
  .sec-title { font-size: 26px; }
  .hero { padding: 40px 0 56px; }
  .hero-h1 { font-size: 30px; }
  .hero-p { font-size: 15px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .feat-grid { grid-template-columns: 1fr; }
  .plat-grid { grid-template-columns: 1fr; max-width: 380px; }
  .rev-grid { grid-template-columns: 1fr; }
  .sec-items { grid-template-columns: 1fr; }
  .req-grid { grid-template-columns: 1fr; }
  .cta-h2 { font-size: 26px; }
  .dl-hero-h1 { font-size: 28px; }
  .dl-specs { grid-template-columns: 1fr; }
  .art-hero-title { font-size: 26px; }
  .tips-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .wrap, .hero-inner, .stats-row, .feat-grid, .plat-grid, .rev-grid, .sec-items, .ver-grid,
  .faq-list, .dl-main-wrap, .op-grid, .guide-grid, .req-grid, .ver-list, .sec-banner,
  .art-layout, .cmp-wrap { padding-left: 16px; padding-right: 16px; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; }
  .dl-main-btns { flex-direction: column; }
  .dl-main-btns .btn { width: 100%; }
  .cta-btns { flex-direction: column; }
  .cta-btns .btn { width: 100%; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}