/* ============================================================
   WPS Office 官网下载模板 V2 - 清新白绿科技风
   主色：#00B96B（翠绿）  背景：纯白 + 浅灰
   符合谷歌 SEO / GEO / EEAT 标准
   ============================================================ */

/* ===== CSS Variables ===== */
:root {
  --green:       #00B96B;
  --green-dark:  #009958;
  --green-light: #E8F9F1;
  --green-mid:   #C6F0DC;
  --text:        #1a1a2a;
  --text-sub:    #4b5563;
  --text-muted:  #9ca3af;
  --border:      #e5e7eb;
  --bg:          #ffffff;
  --bg-soft:     #f8fafb;
  --bg-card:     #ffffff;
  --shadow-sm:   0 1px 4px rgba(0,0,0,0.06);
  --shadow:      0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.12);
  --radius:      12px;
  --radius-lg:   20px;
  --radius-sm:   8px;
  --transition:  0.22s ease;
  --font:        -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== Layout ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 52px 0; }

/* ===== Typography ===== */
h1 { font-size: clamp(1.9rem, 4.5vw, 2.8rem); font-weight: 800; line-height: 1.2; color: var(--text); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; line-height: 1.3; color: var(--text); }
h3 { font-size: clamp(1.05rem, 2vw, 1.25rem); font-weight: 700; line-height: 1.4; color: var(--text); }

/* ===== Section Heading ===== */
.section-heading { text-align: center; margin-bottom: 56px; }
.section-label {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--green-light); color: var(--green-dark);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 20px; margin-bottom: 16px;
}
.section-label::before { content: ''; display: block; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.section-heading h2 { margin-bottom: 12px; }
.section-heading p { color: var(--text-sub); font-size: 1rem; max-width: 580px; margin: 0 auto; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: 10px; font-size: 0.95rem; font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap; cursor: pointer;
}
.btn-green {
  background: var(--green); color: #fff;
  box-shadow: 0 4px 16px rgba(0,185,107,0.35);
}
.btn-green:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,185,107,0.45); color: #fff; }
.btn-outline {
  background: #fff; color: var(--green);
  border: 2px solid var(--green);
}
.btn-outline:hover { background: var(--green-light); transform: translateY(-2px); color: var(--green-dark); }
.btn-white {
  background: #fff; color: var(--green);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.btn-white:hover { background: var(--green-light); transform: translateY(-2px); color: var(--green-dark); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: 12px; }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; border-radius: 8px; }
.btn-block { width: 100%; }

/* ===== HEADER ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
.navbar { display: flex; align-items: center; height: 68px; gap: 0; }
.navbar-brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.navbar-brand img { height: 34px; width: auto; }
.navbar-brand-text { font-size: 1.1rem; font-weight: 800; color: var(--green); letter-spacing: -0.02em; }
.navbar-nav { display: flex; align-items: center; gap: 2px; margin-right: 16px; }
.navbar-nav a {
  display: block; padding: 8px 14px; font-size: 0.9rem; font-weight: 500; color: var(--text-sub);
  border-radius: var(--radius-sm); transition: color var(--transition), background var(--transition);
}
.navbar-nav a:hover, .navbar-nav a.active { color: var(--green); background: var(--green-light); }
.navbar-dl {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 20px; background: var(--green); color: #fff;
  font-size: 0.88rem; font-weight: 700; border-radius: 10px;
  box-shadow: 0 3px 12px rgba(0,185,107,0.35);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.navbar-dl:hover { background: var(--green-dark); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0,185,107,0.45); color: #fff; }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; margin-left: 12px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ===== BREADCRUMB ===== */
.breadcrumb { background: var(--bg-soft); border-bottom: 1px solid var(--border); padding: 10px 0; }
.breadcrumb-list { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; font-size: 0.82rem; color: var(--text-muted); }
.breadcrumb-list a { color: var(--text-muted); }
.breadcrumb-list a:hover { color: var(--green); }
.breadcrumb-sep { color: var(--border); }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(160deg, #f0fdf7 0%, #e8f9f1 40%, #f8fafb 100%);
  padding: 80px 0 60px; overflow: hidden; position: relative;
}
.hero::after {
  content: ''; position: absolute; top: -80px; right: -80px;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,185,107,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 56px; position: relative; z-index: 1; }
.hero-label {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green); color: #fff;
  font-size: 0.78rem; font-weight: 700; padding: 5px 14px; border-radius: 20px; margin-bottom: 20px;
}
.hero-label svg { flex-shrink: 0; }
.hero h1 { margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: var(--green); }
.hero-desc { font-size: 1.05rem; color: var(--text-sub); line-height: 1.8; margin-bottom: 32px; }
.hero-desc strong { color: var(--green); font-weight: 700; }
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-trust { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; }
.hero-trust-item { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-muted); }
.hero-trust-item svg { color: var(--green); flex-shrink: 0; }
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-img-wrap {
  position: relative; border-radius: 20px; overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,185,107,0.15), 0 8px 24px rgba(0,0,0,0.1);
  border: 1px solid rgba(0,185,107,0.15);
}
.hero-img-wrap img { width: 100%; display: block; }
.hero-badge-float {
  position: absolute; bottom: -14px; left: -14px;
  background: #fff; border-radius: 14px; padding: 12px 16px;
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--border);
}
.hero-badge-float .badge-icon {
  width: 38px; height: 38px; border-radius: 10px; background: var(--green-light);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  font-size: 1.2rem;
}
.hero-badge-float .badge-text strong { display: block; font-size: 0.85rem; font-weight: 700; color: var(--text); }
.hero-badge-float .badge-text span { font-size: 0.72rem; color: var(--text-muted); }

/* ===== STATS BAR ===== */
.stats-bar { background: var(--green); padding: 28px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: center; }
.stat-item strong { display: block; font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: #fff; margin-bottom: 4px; }
.stat-item span { font-size: 0.82rem; color: rgba(255,255,255,0.75); }

/* ===== FEATURES ===== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px 26px; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--green-mid); }
.feature-icon {
  width: 54px; height: 54px; border-radius: 14px; background: var(--green-light);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 18px;
}
.feature-card h3 { margin-bottom: 10px; }
.feature-card p { font-size: 0.88rem; color: var(--text-sub); line-height: 1.75; }
.feature-card .feature-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.82rem; font-weight: 600; color: var(--green); margin-top: 14px;
  transition: gap var(--transition);
}
.feature-card .feature-link:hover { gap: 8px; color: var(--green-dark); }

/* ===== DOWNLOAD STRIP ===== */
.download-strip { background: var(--green-light); border-top: 1px solid var(--green-mid); border-bottom: 1px solid var(--green-mid); padding: 40px 0; }
.download-strip-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.download-strip-text h2 { font-size: 1.5rem; margin-bottom: 6px; }
.download-strip-text p { font-size: 0.9rem; color: var(--text-sub); }
.download-strip-btns { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.dl-btn {
  display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1.5px solid var(--border); border-radius: 12px;
  padding: 12px 18px; transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.dl-btn:hover { border-color: var(--green); box-shadow: 0 4px 16px rgba(0,185,107,0.15); transform: translateY(-2px); }
.dl-btn-icon { font-size: 1.8rem; flex-shrink: 0; }
.dl-btn-info strong { display: block; font-size: 0.85rem; font-weight: 700; color: var(--text); }
.dl-btn-info span { font-size: 0.72rem; color: var(--text-muted); }

/* ===== ARTICLES GRID ===== */
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform var(--transition), box-shadow var(--transition);
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.article-card-thumb { position: relative; overflow: hidden; }
.article-card-thumb img { width: 100%; height: 196px; object-fit: cover; transition: transform 0.35s ease; }
.article-card:hover .article-card-thumb img { transform: scale(1.05); }
.article-card-cat {
  position: absolute; top: 12px; left: 12px;
  background: var(--green); color: #fff;
  font-size: 0.7rem; font-weight: 700; padding: 3px 10px; border-radius: 20px;
}
.article-card-body { padding: 18px 20px 22px; }
.article-card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.74rem; color: var(--text-muted); margin-bottom: 10px; }
.article-card-meta span { display: flex; align-items: center; gap: 4px; }
.article-card h3 { font-size: 0.97rem; line-height: 1.5; margin-bottom: 8px; }
.article-card h3 a { color: var(--text); }
.article-card h3 a:hover { color: var(--green); }
.article-card p { font-size: 0.83rem; color: var(--text-sub); line-height: 1.65; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-read-more { display: inline-flex; align-items: center; gap: 5px; font-size: 0.82rem; font-weight: 600; color: var(--green); transition: gap var(--transition); }
.article-read-more:hover { gap: 8px; color: var(--green-dark); }

/* ===== TESTIMONIALS ===== */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px 24px; transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.testimonial-stars { color: #f59e0b; font-size: 0.95rem; letter-spacing: 2px; margin-bottom: 14px; }
.testimonial-text { font-size: 0.9rem; color: var(--text-sub); line-height: 1.75; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 42px; height: 42px; border-radius: 50%; background: var(--green-light);
  color: var(--green-dark); font-weight: 800; font-size: 1rem;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.testimonial-name { font-size: 0.88rem; font-weight: 700; color: var(--text); }
.testimonial-role { font-size: 0.74rem; color: var(--text-muted); margin-top: 2px; }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: border-color var(--transition); }
.faq-item.open { border-color: var(--green); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; font-size: 0.95rem; font-weight: 600; color: var(--text);
  cursor: pointer; user-select: none;
}
.faq-question:hover { color: var(--green); }
.faq-icon {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  background: var(--green-light); color: var(--green);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 400; transition: transform 0.3s ease, background var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--green); color: #fff; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer-inner { padding: 0 22px 20px; padding-top: 14px; font-size: 0.9rem; color: var(--text-sub); line-height: 1.8; border-top: 1px solid var(--border); }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--green) 0%, #009958 100%);
  padding: 64px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 300px; height: 300px; border-radius: 50%;
  background: rgba(255,255,255,0.06); pointer-events: none;
}
.cta-banner h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.8); font-size: 1rem; margin-bottom: 28px; }
.cta-banner .btn-group { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ===== LIST PAGE ===== */
.list-layout { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }
.list-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 2px solid var(--green-light); }
.list-header h1 { font-size: 1.35rem; }
.list-count { font-size: 0.82rem; color: var(--text-muted); }
.list-count strong { color: var(--green); }
.list-items { display: flex; flex-direction: column; gap: 18px; }
.list-item {
  display: flex; gap: 18px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.list-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--green-mid); }
.list-item-thumb { flex-shrink: 0; width: 210px; overflow: hidden; }
.list-item-thumb img { width: 100%; height: 150px; object-fit: cover; transition: transform 0.3s ease; }
.list-item:hover .list-item-thumb img { transform: scale(1.05); }
.list-item-body { flex: 1; padding: 16px 18px 16px 0; display: flex; flex-direction: column; justify-content: center; }
.list-item-cat { display: inline-block; background: var(--green-light); color: var(--green-dark); font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 20px; margin-bottom: 8px; }
.list-item-body h2 { font-size: 1rem; line-height: 1.45; margin-bottom: 8px; }
.list-item-body h2 a { color: var(--text); }
.list-item-body h2 a:hover { color: var(--green); }
.list-item-body p { font-size: 0.84rem; color: var(--text-sub); line-height: 1.65; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-item-meta { display: flex; align-items: center; gap: 12px; font-size: 0.74rem; color: var(--text-muted); }
.list-item-meta span { display: flex; align-items: center; gap: 4px; }

/* ===== PAGINATION ===== */
.pagination { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 32px; flex-wrap: wrap; }
.page-btn {
  display: flex; align-items: center; justify-content: center;
  min-width: 38px; height: 38px; padding: 0 10px;
  border-radius: var(--radius-sm); font-size: 0.88rem; font-weight: 500;
  color: var(--text-sub); background: var(--bg-card); border: 1.5px solid var(--border);
  transition: all var(--transition);
}
.page-btn:hover:not(.disabled):not(.active) { border-color: var(--green); color: var(--green); background: var(--green-light); }
.page-btn.active { background: var(--green); color: #fff; border-color: var(--green); box-shadow: 0 3px 10px rgba(0,185,107,0.3); }
.page-btn.disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== SIDEBAR ===== */
.sidebar { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 20px; }
.sidebar-widget { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.sidebar-widget-head { display: flex; align-items: center; gap: 8px; padding: 14px 18px; font-size: 0.88rem; font-weight: 700; color: var(--text); background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.sidebar-widget-head::before { content: ''; display: block; width: 4px; height: 16px; background: var(--green); border-radius: 2px; }
.sidebar-widget-body { padding: 14px 18px; }
.sidebar-dl-widget { background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%); border-radius: var(--radius-lg); padding: 22px 20px; text-align: center; }
.sidebar-dl-widget h3 { color: #fff; font-size: 1rem; margin-bottom: 8px; }
.sidebar-dl-widget p { font-size: 0.82rem; color: rgba(255,255,255,0.75); margin-bottom: 16px; line-height: 1.6; }
.sidebar-post-list { display: flex; flex-direction: column; gap: 14px; }
.sidebar-post-item { display: flex; gap: 10px; align-items: flex-start; }
.sidebar-post-item img { width: 72px; height: 54px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
.sidebar-post-item a { font-size: 0.82rem; font-weight: 600; color: var(--text); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sidebar-post-item a:hover { color: var(--green); }
.sidebar-post-item .meta { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { display: inline-block; padding: 4px 12px; background: var(--bg-soft); color: var(--text-sub); font-size: 0.78rem; font-weight: 500; border-radius: 20px; border: 1px solid var(--border); transition: all var(--transition); }
.tag-cloud a:hover { background: var(--green-light); color: var(--green-dark); border-color: var(--green-mid); }

/* ===== ARTICLE PAGE ===== */
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }
.article-header { margin-bottom: 28px; padding-bottom: 22px; border-bottom: 1px solid var(--border); }
.article-cat-badge { display: inline-block; background: var(--green-light); color: var(--green-dark); font-size: 0.75rem; font-weight: 700; padding: 4px 12px; border-radius: 20px; margin-bottom: 14px; }
.article-header h1 { font-size: clamp(1.5rem, 3.5vw, 2rem); line-height: 1.35; margin-bottom: 16px; }
.article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; }
.article-meta-item { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-muted); }
.article-meta-item svg { color: var(--green); }
.article-author-card { display: flex; align-items: center; gap: 14px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 24px; }
.article-author-avatar { width: 48px; height: 48px; border-radius: 50%; background: var(--green-light); color: var(--green-dark); font-weight: 800; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.article-author-info strong { display: block; font-size: 0.9rem; font-weight: 700; color: var(--text); }
.article-author-info span { font-size: 0.78rem; color: var(--text-muted); }
.article-body { font-size: 1rem; line-height: 1.85; color: #374151; margin-bottom: 28px; }
.article-body h2 { font-size: 1.3rem; color: var(--text); margin: 32px 0 14px; padding-left: 14px; border-left: 4px solid var(--green); }
.article-body h3 { font-size: 1.1rem; color: var(--text); margin: 24px 0 10px; }
.article-body p { margin-bottom: 16px; }
.article-body ul, .article-body ol { list-style: disc; padding-left: 24px; margin-bottom: 16px; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 6px; font-size: 0.95rem; }
.article-body img { border-radius: var(--radius); margin: 20px 0; box-shadow: var(--shadow); }
.article-body blockquote { border-left: 4px solid var(--green); background: var(--green-light); padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0; margin: 20px 0; color: var(--text-sub); font-style: italic; }
.article-body a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
.article-body code { background: var(--bg-soft); padding: 2px 6px; border-radius: 4px; font-size: 0.88em; font-family: "Courier New", monospace; color: var(--green-dark); }
.article-body pre { background: #1f2937; color: #e5e7eb; padding: 20px; border-radius: var(--radius); overflow-x: auto; margin: 20px 0; font-size: 0.88rem; line-height: 1.7; }
.article-tags { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 20px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 28px; }
.article-tag { display: inline-block; padding: 4px 12px; background: var(--bg-soft); color: var(--text-sub); font-size: 0.78rem; border-radius: 20px; border: 1px solid var(--border); transition: all var(--transition); }
.article-tag:hover { background: var(--green-light); color: var(--green-dark); border-color: var(--green-mid); }

/* ===== DOWNLOAD PAGE ===== */
.dl-hero { background: linear-gradient(160deg, #f0fdf7 0%, #e8f9f1 60%, #f8fafb 100%); padding: 72px 0 56px; position: relative; overflow: hidden; }
.dl-hero::after { content: ''; position: absolute; top: -60px; right: -60px; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(0,185,107,0.1) 0%, transparent 70%); pointer-events: none; }
.dl-hero-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 48px; position: relative; z-index: 1; }
.dl-hero-content h1 { margin-bottom: 16px; }
.dl-hero-content h1 em { font-style: normal; color: var(--green); }
.dl-hero-desc { font-size: 1.05rem; color: var(--text-sub); line-height: 1.8; margin-bottom: 28px; }
.dl-hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.dl-badge { display: flex; align-items: center; gap: 7px; background: #fff; border: 1.5px solid var(--green-mid); color: var(--text-sub); font-size: 0.8rem; font-weight: 500; padding: 7px 14px; border-radius: 20px; }
.dl-badge svg { color: var(--green); flex-shrink: 0; }
.dl-hero-visual { display: flex; justify-content: center; align-items: center; }
.dl-hero-visual img { max-width: 380px; filter: drop-shadow(0 16px 32px rgba(0,185,107,0.2)); }

/* ===== PLATFORM CARDS ===== */
.platforms-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.platform-card {
  background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px 22px; text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.platform-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--green); }
.platform-icon { font-size: 2.8rem; margin-bottom: 14px; }
.platform-card h3 { font-size: 1rem; margin-bottom: 12px; }
.platform-specs { display: flex; flex-direction: column; gap: 4px; margin-bottom: 18px; }
.platform-spec { font-size: 0.78rem; color: var(--text-muted); }
.btn-dl {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 12px 18px; background: var(--green); color: #fff;
  font-size: 0.88rem; font-weight: 700; border-radius: 10px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 3px 12px rgba(0,185,107,0.3); margin-bottom: 14px;
}
.btn-dl:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,185,107,0.4); color: #fff; }
.platform-desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.65; }

/* ===== INSTALL STEPS ===== */
.install-steps { display: flex; align-items: flex-start; gap: 12px; max-width: 860px; margin: 0 auto; }
.install-step { flex: 1; text-align: center; padding: 28px 20px; background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--radius-lg); }
.install-step-num { width: 52px; height: 52px; border-radius: 50%; background: var(--green); color: #fff; font-size: 1.3rem; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; box-shadow: 0 4px 14px rgba(0,185,107,0.35); }
.install-step h3 { font-size: 0.97rem; margin-bottom: 8px; }
.install-step p { font-size: 0.84rem; color: var(--text-sub); line-height: 1.7; }
.install-step-arrow { font-size: 1.3rem; color: var(--green-mid); padding-top: 38px; flex-shrink: 0; }

/* ===== FOOTER ===== */
.site-footer { background: #0d1117; color: rgba(255,255,255,0.55); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand-logo { height: 32px; width: auto; filter: brightness(0) invert(1); margin-bottom: 14px; }
.footer-brand p { font-size: 0.82rem; line-height: 1.75; color: rgba(255,255,255,0.4); margin-bottom: 18px; }
.footer-social { display: flex; gap: 8px; }
.footer-social a { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; font-size: 0.75rem; color: rgba(255,255,255,0.45); transition: all var(--transition); }
.footer-social a:hover { background: rgba(0,185,107,0.2); color: var(--green); border-color: rgba(0,185,107,0.3); }
.footer-col h4 { font-size: 0.88rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: 0.82rem; color: rgba(255,255,255,0.4); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--green); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.07); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 0.78rem; color: rgba(255,255,255,0.28); }
.footer-bottom a { color: rgba(255,255,255,0.35); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--green); }
.footer-green-bar { height: 3px; background: linear-gradient(90deg, var(--green) 0%, var(--green-dark) 100%); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .navbar-nav { display: none; position: fixed; top: 68px; left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(16px); flex-direction: column; align-items: stretch; gap: 0; padding: 10px 16px 16px; border-bottom: 1px solid var(--border); z-index: 999; box-shadow: var(--shadow); }
  .navbar-nav.open { display: flex; }
  .navbar-nav a { padding: 12px 14px; font-size: 0.95rem; }
  .navbar-dl { display: none; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero { padding: 52px 0 40px; }
  .features-grid { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .platforms-grid { grid-template-columns: 1fr; }
  .list-layout { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .list-item { flex-direction: column; }
  .list-item-thumb { width: 100%; }
  .list-item-thumb img { height: 200px; }
  .list-item-body { padding: 14px 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .install-steps { flex-direction: column; }
  .install-step-arrow { display: none; }
  .dl-hero-inner { grid-template-columns: 1fr; }
  .dl-hero-visual { display: none; }
  .download-strip-inner { flex-direction: column; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-banner .btn-group { flex-direction: column; align-items: center; }
}

/* ===== Accessibility ===== */
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

/* ===== Print ===== */
@media print {
  .site-header, .cta-banner, .site-footer, .sidebar { display: none; }
  .article-layout { grid-template-columns: 1fr; }
}