/* ============================================================
   DSH Desktop — 官网样式
   深色主题 · 蓝 (#2563EB) / 紫 (#7C3AED) 双主色（与项目徽章一致）
   ============================================================ */

:root {
  --bg: #070b16;
  --bg-soft: #0b1120;
  --bg-card: #0e1526;
  --bg-inset: #101a30;
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.26);
  --text: #e6eaf2;
  --text-soft: #9aa7bd;
  --text-dim: #6b7994;
  --blue: #3b82f6;
  --blue-deep: #2563eb;
  --purple: #8b5cf6;
  --purple-deep: #7c3aed;
  --green: #2ea44f;
  --radius: 14px;
  --radius-lg: 20px;
  --container: 1120px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}

::selection { background: rgba(59, 130, 246, 0.35); }

img { max-width: 100%; height: auto; display: block; }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  color: #b8d2ff;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow { max-width: 860px; }

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 18px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease,
    border-color 0.2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:hover { text-decoration: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--blue-deep), var(--purple-deep));
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(37, 99, 235, 0.55);
}
.btn-primary:hover {
  box-shadow: 0 10px 30px -6px rgba(124, 58, 237, 0.6);
  filter: brightness(1.07);
}

.btn-ghost {
  background: rgba(148, 163, 184, 0.07);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(148, 163, 184, 0.14); }

.btn-lg { padding: 13px 26px; font-size: 16px; border-radius: 12px; }
.btn-sm { padding: 7px 14px; font-size: 13.5px; }

/* ---------- 顶部导航 ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(7, 11, 22, 0.55);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.nav.scrolled {
  background: rgba(7, 11, 22, 0.86);
  border-bottom-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
  letter-spacing: 0.2px;
}
.brand:hover { text-decoration: none; }
.brand em { font-style: normal; color: var(--text-soft); font-weight: 500; }
.brand-logo { border-radius: 7px; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4); }

.brand-suffix {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.13);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 999px;
  padding: 2px 9px;
  margin-left: 2px;
  white-space: nowrap;
}
.footer .brand-suffix { font-size: 10.5px; }

.nav-links {
  display: flex;
  gap: 4px;
  margin-right: auto;
}
.nav-links a {
  color: var(--text-soft);
  font-size: 14.5px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav-links a:hover {
  color: var(--text);
  background: rgba(148, 163, 184, 0.1);
  text-decoration: none;
}

.nav-actions { display: flex; gap: 10px; align-items: center; }

@media (max-width: 860px) {
  .nav-links { display: none; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 152px 0 84px;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(640px 340px at 18% -4%, rgba(37, 99, 235, 0.26), transparent 65%),
    radial-gradient(560px 320px at 84% 6%, rgba(124, 58, 237, 0.2), transparent 65%),
    radial-gradient(900px 500px at 50% 110%, rgba(37, 99, 235, 0.1), transparent 70%);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(720px 420px at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(720px 420px at 50% 0%, #000 30%, transparent 75%);
}

.hero-inner { position: relative; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-soft);
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 15px;
  margin: 0 0 26px;
}
.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(46, 164, 79, 0.9);
}

.hero h1 {
  font-size: clamp(32px, 5.2vw, 54px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0 0 22px;
}
.hero h1 mark {
  background: linear-gradient(120deg, var(--blue) 20%, var(--purple) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.h1-brand {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--blue);
  margin-bottom: 18px;
}

.hero-sub {
  max-width: 760px;
  margin: 0 auto 34px;
  color: var(--text-soft);
  font-size: 17.5px;
}

.hero-cta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.hero-meta {
  color: var(--text-dim);
  font-size: 13.5px;
  margin: 0 0 54px;
}

/* 截图窗口 */

.shot-frame {
  background: var(--bg-inset);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 30px 80px -20px rgba(2, 6, 18, 0.9),
    0 0 0 1px rgba(255, 255, 255, 0.02) inset;
}

.shot-bar {
  display: flex;
  gap: 7px;
  align-items: center;
  padding: 11px 14px;
  background: rgba(148, 163, 184, 0.06);
  border-bottom: 1px solid var(--border);
}
.shot-bar i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.25);
}
.shot-bar i:nth-child(1) { background: #ff5f57; }
.shot-bar i:nth-child(2) { background: #febc2e; }
.shot-bar i:nth-child(3) { background: #28c840; }

.hero-shot { margin: 0; }
.hero-shot .shot-frame img { border-radius: 0; }

/* ---------- 章节通用 ---------- */

.section { padding: 92px 0; }
.section-alt {
  background:
    linear-gradient(180deg, transparent, rgba(148, 163, 184, 0.035) 18%, rgba(148, 163, 184, 0.035) 82%, transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.section-kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--blue);
  margin: 0 0 12px;
}

.section-head h2 {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  letter-spacing: -0.3px;
  margin: 0 0 14px;
  line-height: 1.3;
}

.section-sub {
  color: var(--text-soft);
  margin: 0;
  font-size: 16.5px;
}
.section-sub strong { color: var(--text); }

/* ---------- 卡片网格 ---------- */

.grid {
  display: grid;
  gap: 18px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px 22px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 16px 40px -18px rgba(37, 99, 235, 0.35);
}

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  color: var(--blue);
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.22);
}
.card:nth-child(even) .card-icon {
  color: var(--purple);
  background: rgba(139, 92, 246, 0.12);
  border-color: rgba(139, 92, 246, 0.22);
}

.card h3 {
  font-size: 17px;
  margin: 0 0 8px;
  font-weight: 700;
}
.card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14.8px;
  line-height: 1.72;
}

/* ---------- 截图画廊 ---------- */

.gallery {
  display: grid;
  gap: 34px;
  max-width: 920px;
  margin: 0 auto;
}
.gallery .shot { margin: 0; }
.gallery figcaption {
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
  margin-top: 14px;
}

/* ---------- 插件 ---------- */

.plugin-groups {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 18px;
  margin-bottom: 30px;
}

.plugin-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 26px 18px;
}
.plugin-group h3 {
  margin: 0 0 16px;
  font-size: 15.5px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}
.tag-blue {
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.14);
  border: 1px solid rgba(59, 130, 246, 0.3);
}
.tag-purple {
  color: #c4b5fd;
  background: rgba(139, 92, 246, 0.14);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.plugin-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.plugin-list li {
  display: flex;
  flex-direction: column;
  padding: 9px 0;
  border-bottom: 1px dashed var(--border);
}
.plugin-list li:last-child { border-bottom: none; }
.plugin-list strong {
  font-size: 14.2px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text);
}
.plugin-list strong small {
  color: var(--text-dim);
  font-weight: 400;
  margin-left: 6px;
}
.plugin-list span {
  font-size: 13.2px;
  color: var(--text-dim);
  line-height: 1.55;
}
.plugin-list span a { color: var(--text-soft); text-decoration: underline dotted; text-underline-offset: 3px; }
.plugin-list span a:hover { color: var(--blue); }

.plugin-note {
  margin: 14px 0 6px;
  font-size: 12.8px;
  color: var(--text-dim);
}

/* 生态推荐位 */

.eco-pick {
  max-width: 760px;
  margin: 0 auto 30px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.09), rgba(59, 130, 246, 0.06));
  border: 1px solid rgba(139, 92, 246, 0.32);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.eco-pick-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.eco-pick-head strong { font-size: 15.5px; }
.eco-pick-head a {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--text-dim);
}
.eco-pick-head a:hover { color: var(--blue); }
.eco-pick p {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
}
.eco-pick pre {
  margin: 0;
  padding: 12px 16px;
  background: rgba(10, 15, 29, 0.75);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow-x: auto;
}
.eco-pick pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 12.8px;
  color: #c4b5fd;
}

/* CLI 代码块 */

.cli {
  background: #0a0f1d;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 760px;
  margin: 0 auto;
  box-shadow: 0 20px 50px -24px rgba(0, 0, 0, 0.8);
}
.cli-head {
  padding: 11px 18px;
  font-size: 12.5px;
  color: var(--text-dim);
  background: rgba(148, 163, 184, 0.06);
  border-bottom: 1px solid var(--border);
}
.cli pre {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
}
.cli code {
  background: none;
  border: none;
  padding: 0;
  color: #a5c8ff;
  font-size: 13.5px;
  line-height: 1.9;
}

/* ---------- 架构 ---------- */

.arch {
  max-width: 680px;
  margin: 0 auto 46px;
  text-align: center;
}
.arch-row { display: flex; flex-direction: column; align-items: center; }
.arch-box {
  width: min(440px, 100%);
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.arch-box strong { display: block; font-size: 15.5px; margin-bottom: 2px; }
.arch-box span { font-size: 13px; color: var(--text-dim); }

.arch-host { border-color: rgba(139, 92, 246, 0.4); }
.arch-web { border-color: rgba(59, 130, 246, 0.45); box-shadow: 0 0 34px -12px rgba(59, 130, 246, 0.4); }

.arch-arrow {
  color: var(--text-dim);
  font-size: 12.5px;
  padding: 8px 0;
}

.arch-profile { margin-top: 14px; }
.arch-profile-box {
  width: min(620px, 100%);
  border-color: rgba(46, 164, 79, 0.4);
}

.arch-table {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 920px;
  margin: 0 auto;
}
.arch-row-item {
  background: rgba(148, 163, 184, 0.045);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
}
.arch-row-item h4 {
  margin: 0 0 5px;
  font-size: 14.5px;
  color: var(--text);
}
.arch-row-item p { margin: 0; font-size: 13.6px; color: var(--text-soft); line-height: 1.65; }

/* ---------- 安全 ---------- */

.security-grid .mini {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.mini strong { display: block; margin-bottom: 8px; font-size: 15.5px; }
.mini p { margin: 0; font-size: 13.8px; color: var(--text-soft); line-height: 1.7; }

/* ---------- 下载 ---------- */

.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 34px;
}

.dl-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  color: var(--text);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.dl-card:hover {
  text-decoration: none;
  transform: translateY(-3px);
  border-color: rgba(59, 130, 246, 0.45);
  box-shadow: 0 18px 44px -20px rgba(37, 99, 235, 0.4);
}

.dl-os {
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--blue);
}
.dl-os strong { font-size: 17px; color: var(--text); }

.dl-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14.2px;
  flex: 1;
}

.dl-go {
  color: var(--blue);
  font-size: 14px;
  font-weight: 600;
}

/* ---------- FAQ ---------- */

.faq details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq details[open] { border-color: rgba(59, 130, 246, 0.35); }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 17px 22px;
  font-weight: 600;
  font-size: 15.5px;
  user-select: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--text-dim);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p {
  margin: 0;
  padding: 0 22px 18px;
  color: var(--text-soft);
  font-size: 14.6px;
  line-height: 1.75;
}

/* ---------- CTA ---------- */

.cta {
  text-align: center;
  padding: 96px 0 100px;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(37, 99, 235, 0.14), transparent 70%),
    radial-gradient(500px 280px at 50% 100%, rgba(124, 58, 237, 0.1), transparent 70%);
  border-top: 1px solid var(--border);
}
.cta h2 {
  font-size: clamp(26px, 3.6vw, 36px);
  margin: 0 0 12px;
  font-weight: 800;
}
.cta p { color: var(--text-soft); margin: 0 0 30px; font-size: 16.5px; }

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 56px 0 34px;
  font-size: 14px;
}

.footer-cols {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}

.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { color: var(--text-soft); margin: 0 0 10px; max-width: 340px; }
.footer-disclaimer {
  font-size: 12.6px;
  color: var(--text-dim);
  line-height: 1.7;
}

.footer-col { display: flex; flex-direction: column; gap: 9px; }
.footer-col h4 {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
}
.footer-col a { color: var(--text-soft); font-size: 14px; }
.footer-col a:hover { color: var(--blue); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 13px;
}

/* ---------- 滚动显现 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card, .dl-card { transition: none; }
}

/* ---------- 信任徽章条 ---------- */

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}
.trust-strip li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 150px;
  padding: 10px 18px;
  background: rgba(148, 163, 184, 0.05);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.trust-strip strong {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2.5px;
  color: var(--blue);
}
.trust-strip li:nth-child(even) strong { color: var(--purple); }
.trust-strip span { font-size: 12px; color: var(--text-dim); }

/* ---------- 快速开始 ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
}
.step {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px 22px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.step:hover { transform: translateY(-3px); border-color: rgba(139, 92, 246, 0.4); }
.step-no {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue-deep), var(--purple-deep));
  box-shadow: 0 6px 18px -6px rgba(37, 99, 235, 0.5);
}
.step h3 { margin: 0 0 8px; font-size: 16.5px; }
.step p { margin: 0; color: var(--text-soft); font-size: 14.4px; line-height: 1.72; }
.step p strong { color: var(--text); }

/* ---------- 下载区（v2） ---------- */

.dl-card.dl-main { gap: 16px; }
.dl-os > div { display: flex; flex-direction: column; gap: 1px; }
.dl-os strong { font-size: 17px; }
.dl-note { font-size: 12px; color: var(--text-dim); }

.btn-block { width: 100%; justify-content: center; }

.dl-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
}
.dl-sep { color: var(--text-dim); }

.link-btn {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: 13px;
  color: var(--text-soft);
  cursor: pointer;
  border-bottom: 1px dashed rgba(148, 163, 184, 0.4);
  transition: color 0.15s ease;
}
.link-btn:hover { color: var(--blue); border-bottom-color: var(--blue); }
.link-btn.copied { color: var(--green); border-bottom-color: var(--green); }

.dl-tip {
  text-align: center;
  max-width: 720px;
  margin: -6px auto 34px;
  font-size: 13.2px;
  color: var(--text-dim);
}

#release-meta { font-size: 14.5px; }
#release-meta strong { color: var(--text); }

.dl-count-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: -32px auto 46px;
  font-size: 13.5px;
  color: var(--text-dim);
}
.dl-count-line svg { color: var(--green); }
.dl-count-line strong {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text);
  letter-spacing: 0.5px;
}

@media (max-width: 960px) {
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .trust-strip li { min-width: calc(50% - 10px); }
}

/* ---------- 响应式 ---------- */

@media (max-width: 960px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .plugin-groups { grid-template-columns: 1fr; }
  .dl-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .arch-table { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .section { padding: 64px 0; }
  .hero { padding: 120px 0 60px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .footer-cols { grid-template-columns: 1fr; gap: 28px; }
  .nav-actions .btn-ghost { display: none; }
  .nav .brand-suffix { display: none; }
}