/* Typale 官网 — 视觉基调致敬 typora.io：留白、衬线标题、注释体标语 */

:root {
  --bg: #ffffff;
  --bg-alt: #fafaf9;
  --ink: #1b1b19;
  --ink-mid: #55554f;
  --ink-faint: #8f8f8a;
  --border: #efefed;
  --border-strong: #d6d6d1;
  --green: #3d8256;
  --red: #b3493f;
  --red-bg: #fbf1f0;
  --green-bg: #f0f7f2;
  --mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
  --serif: "Songti SC", "Noto Serif SC", Georgia, "Times New Roman", serif;
  --sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Segoe UI", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ---------- 导航 ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 56px);
  height: 60px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; color: var(--ink-mid); }
.nav-links a:hover { color: var(--ink); }

.nav-cta {
  color: var(--ink);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 5px 14px;
  transition: background 0.15s ease;
}
.nav-cta:hover { background: var(--bg-alt); }

.nav-lang {
  font: inherit;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-mid);
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px 8px;
  border-radius: 6px;
}
.nav-lang:hover { background: var(--bg-alt); color: var(--ink); }

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

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(28px, 4vw, 64px);
  padding: clamp(48px, 8vh, 96px) clamp(20px, 3vw, 48px) 96px;
  max-width: 1440px;
  margin: 0 auto;
}

.hero-copy {
  text-align: left;
  flex: 0 1 300px;
  min-width: 250px;
}

.hero-title {
  font-family: var(--mono);
  font-size: clamp(36px, 3.6vw, 52px);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.1;
}

.hero-tagline {
  font-family: var(--mono);
  font-size: clamp(13px, 1.2vw, 15px);
  color: var(--ink-faint);
  margin-top: 12px;
  min-height: 3em;
}

.tagline-caret {
  display: inline-block;
  width: 8px;
  height: 1.05em;
  margin: 0 2px;
  vertical-align: -0.15em;
  background: var(--ink-faint);
  animation: caret 1s steps(1) infinite;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.hero-note { font-size: 13px; color: var(--ink-faint); font-family: var(--mono); }

/* ---------- 按钮 ---------- */

.btn {
  display: inline-block;
  padding: 11px 28px;
  border-radius: 8px;
  font-size: 15px;
  transition: transform 0.12s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 2px 12px rgba(27, 27, 25, 0.18);
}
.btn-primary:hover { background: #333330; transform: translateY(-1px); }
.btn-ghost { border: 1px solid var(--border-strong); color: var(--ink); }
.btn-ghost:hover { background: var(--bg-alt); }
.btn-block { display: block; text-align: center; }

/* ---------- Hero 应用窗口 ---------- */

.hero-window {
  flex: 1 1 720px;
  max-width: 960px;
  min-width: 0;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: 0 30px 80px -24px rgba(27, 27, 25, 0.28), 0 8px 24px -12px rgba(27, 27, 25, 0.12);
  overflow: hidden;
  text-align: left;
}

.hw-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.hw-dot { width: 12px; height: 12px; border-radius: 50%; }
.hw-dot.red { background: #ff5f57; }
.hw-dot.yellow { background: #febc2e; }
.hw-dot.green { background: #28c840; }

.hw-title {
  flex: 1;
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-faint);
  /* 抵消左侧三个圆点的宽度，让标题真正居中 */
  margin-right: 52px;
}

.hw-body {
  display: flex;
  height: clamp(340px, 46vw, 460px);
}

/* 左栏：Agent 对话 */

.hw-chat {
  width: 34%;
  min-width: 240px;
  border-right: 1px solid var(--border);
  background: var(--bg-alt);
  display: flex;
  flex-direction: column;
}

.hw-chat-head {
  padding: 10px 16px;
  font-size: 12px;
  font-family: var(--mono);
  color: var(--ink-faint);
  border-bottom: 1px solid var(--border);
}

.hw-chat-scroll {
  flex: 1;
  overflow: hidden;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hw-chat-input {
  margin: 12px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  font-size: 12.5px;
  color: var(--ink-faint);
}

.hw-bubble {
  max-width: 90%;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(6px);
  animation: bubbleIn 0.35s ease forwards;
}
.hw-bubble.user { align-self: flex-end; background: var(--ink); color: #fbfbfa; }
.hw-bubble.agent { align-self: flex-start; background: #fff; border: 1px solid var(--border); }

@keyframes bubbleIn { to { opacity: 1; transform: translateY(0); } }

.hw-typing { display: inline-flex; gap: 4px; padding: 2px 0; }
.hw-typing i {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--ink-faint);
  animation: blink 1s infinite;
}
.hw-typing i:nth-child(2) { animation-delay: 0.2s; }
.hw-typing i:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 80%, 100% { opacity: 0.25; } 40% { opacity: 1; } }

/* 修改预览卡片 */

.hw-diff {
  align-self: stretch;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  font-size: 12px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(6px);
  animation: bubbleIn 0.35s ease forwards;
}
.hw-diff-head {
  padding: 6px 10px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--border);
}
.hw-diff-line { padding: 4px 10px; line-height: 1.55; }
.hw-diff-line.del { background: var(--red-bg); color: var(--red); text-decoration: line-through; }
.hw-diff-line.add { background: var(--green-bg); color: var(--green); }
.hw-diff-actions {
  display: flex; gap: 8px; padding: 8px 10px;
  border-top: 1px solid var(--border);
}
.hw-diff-actions span {
  font-size: 11.5px; padding: 3px 12px; border-radius: 6px; cursor: default;
}
.hw-diff-actions .accept { background: var(--ink); color: #fff; }
.hw-diff-actions .accept.flash { animation: accentFlash 0.5s ease; }
.hw-diff-actions .reject { border: 1px solid var(--border-strong); color: var(--ink-mid); }
@keyframes accentFlash { 50% { transform: scale(0.92); } }

/* 右栏：编辑器 */

.hw-editor { flex: 1; display: flex; flex-direction: column; background: #fff; }

.hw-editor-head {
  display: flex;
  justify-content: space-between;
  padding: 10px 24px;
  font-size: 12px;
  font-family: var(--mono);
  color: var(--ink-faint);
  border-bottom: 1px solid var(--border);
}

.hw-editor-doc {
  flex: 1;
  padding: 28px clamp(20px, 4vw, 44px);
  overflow: hidden;
  font-family: var(--serif);
  font-size: 15.5px;
  color: #222;
  line-height: 2;
}

.hw-editor-doc .md-line { min-height: 1em; }

.hw-editor-doc h1.md-line {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 14px;
  animation: renderIn 0.3s ease;
}
.hw-editor-doc p.md-line { margin-bottom: 6px; }
.hw-editor-doc .md-line strong { font-weight: 700; }
.hw-editor-doc .md-line em { font-style: italic; }

.hw-editor-doc .raw {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink-mid);
}

@keyframes renderIn { from { opacity: 0.4; } to { opacity: 1; } }

.hw-caret {
  display: inline-block;
  width: 2px;
  height: 1.15em;
  vertical-align: -0.18em;
  background: var(--ink);
  animation: caret 1s steps(1) infinite;
}
@keyframes caret { 50% { opacity: 0; } }

/* 段落替换时的绿色闪过 */
.hw-editor-doc .md-line.swapped { animation: swapIn 0.9s ease; }
@keyframes swapIn { 0% { background: var(--green-bg); } 100% { background: transparent; } }

/* ---------- 章节 ---------- */

.section { padding: 96px 20px; max-width: 1080px; margin: 0 auto; text-align: center; }

.section-alt {
  max-width: none;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
}

.section-sub {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink-faint);
  margin-top: 10px;
}

/* 三柱 */

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
  margin-top: 64px;
  text-align: left;
}

.pillar h3 { font-family: var(--serif); font-size: 20px; margin-bottom: 10px; }
.pillar p { font-size: 14.5px; color: var(--ink-mid); }

/* Skill 演示 */

.skill-demo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 4vw, 40px);
  margin: 64px auto 0;
  max-width: 860px;
  flex-wrap: wrap;
}

.skill-files {
  text-align: left;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  padding: 12px 0;
  min-width: 200px;
  box-shadow: 0 8px 30px -14px rgba(27, 27, 25, 0.15);
}

.skill-file {
  padding: 7px 20px;
  font-size: 13.5px;
  font-family: var(--mono);
  display: flex;
  gap: 10px;
  align-items: center;
}
.skill-file.dim { color: var(--ink-faint); }
.sf-icon { color: var(--green); font-size: 10px; }
.skill-file.dim .sf-icon { color: var(--border-strong); }

.skill-arrow {
  font-family: var(--mono);
  font-size: 32px;
  color: var(--ink-faint);
}

.skill-chat {
  text-align: left;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  padding: 18px 20px;
  max-width: 340px;
  box-shadow: 0 8px 30px -14px rgba(27, 27, 25, 0.15);
}

.skill-chips { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }

.chip {
  font-family: var(--mono);
  font-size: 12px;
  background: #f0f0ee;
  border-radius: 6px;
  padding: 3px 10px;
  color: var(--ink-mid);
}

.skill-msg { font-size: 14px; }

.skill-caption {
  max-width: 640px;
  margin: 48px auto 0;
  font-size: 14.5px;
  color: var(--ink-mid);
}
.skill-caption code {
  font-family: var(--mono);
  background: #f0f0ee;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
}

/* 功能网格 */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 64px;
  text-align: left;
}

.feature {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px 28px;
  background: #fff;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.feature:hover {
  box-shadow: 0 12px 36px -16px rgba(27, 27, 25, 0.18);
  transform: translateY(-2px);
}
.feature h4 { font-family: var(--serif); font-size: 17px; margin-bottom: 8px; }
.feature p { font-size: 13.5px; color: var(--ink-mid); }

/* 购买 */

.section-buy { padding-bottom: 128px; }

.buy-card {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  align-items: center;
  margin: 64px auto 0;
  max-width: 760px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: clamp(28px, 5vw, 48px);
  text-align: left;
  box-shadow: 0 20px 60px -28px rgba(27, 27, 25, 0.22);
}

.buy-name { font-family: var(--mono); font-size: 22px; font-weight: 600; }
.buy-desc { font-size: 14px; color: var(--ink-mid); margin-top: 4px; }
.buy-price { font-family: var(--serif); font-size: 44px; font-weight: 700; margin-top: 18px; }
.buy-currency { font-size: 24px; vertical-align: 8px; margin-right: 2px; }
.buy-unit { font-size: 15px; font-weight: 400; color: var(--ink-faint); font-family: var(--sans); }
.buy-meta { font-family: var(--mono); font-size: 12.5px; color: var(--ink-faint); margin-top: 8px; }

.buy-right { display: flex; flex-direction: column; gap: 12px; min-width: 220px; flex: 0 0 auto; }
.buy-faq { font-size: 12.5px; color: var(--ink-faint); text-align: center; }
.buy-faq a:hover { color: var(--ink); }

/* ---------- 页脚 ---------- */

.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 64px 20px 40px;
}

.footer-cols {
  display: flex;
  justify-content: center;
  gap: clamp(40px, 8vw, 120px);
  flex-wrap: wrap;
}

.footer-cols h5 {
  font-family: var(--mono);
  font-size: 13px;
  margin-bottom: 14px;
}

.footer-cols a {
  display: block;
  font-size: 13.5px;
  color: var(--ink-mid);
  margin-bottom: 8px;
}
.footer-cols a:hover { color: var(--ink); }

.footer-copy {
  text-align: center;
  margin-top: 56px;
  font-size: 12.5px;
  color: var(--ink-faint);
  font-family: var(--mono);
}

/* ---------- 动态功能演示 ---------- */

.section-wide { max-width: 1120px; }

.showcase {
  display: flex;
  align-items: center;
  gap: clamp(32px, 6vw, 80px);
  margin-top: 96px;
  text-align: left;
}
.showcase.reverse { flex-direction: row-reverse; }

.showcase-text { flex: 0 1 360px; min-width: 260px; }

.showcase-kicker {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-faint);
  margin-bottom: 10px;
}

.showcase-text h3 {
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  margin-bottom: 12px;
}

.showcase-text p:not(.showcase-kicker) { font-size: 14.5px; color: var(--ink-mid); }

.showcase-demo { flex: 1 1 460px; min-width: 0; }

.demo-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 20px 50px -24px rgba(27, 27, 25, 0.22);
  padding: 30px 34px;
  overflow: hidden;
  min-height: 240px;
  font-family: var(--serif);
  font-size: 14.5px;
  line-height: 2;
  color: #222;
}

/* --- 聚焦模式：焦点在段落间游走 --- */

.demo-focus .fl {
  opacity: 0.22;
  filter: blur(0.8px);
  animation: focusCycle 10s ease-in-out infinite;
  transition: opacity 0.4s ease;
}
.demo-focus .fl:nth-child(1) { animation-delay: 0s; }
.demo-focus .fl:nth-child(2) { animation-delay: 2.5s; }
.demo-focus .fl:nth-child(3) { animation-delay: 5s; }
.demo-focus .fl:nth-child(4) { animation-delay: 7.5s; }

@keyframes focusCycle {
  0%, 2% { opacity: 0.22; filter: blur(0.8px); }
  7%, 25% { opacity: 1; filter: blur(0); }
  32%, 100% { opacity: 0.22; filter: blur(0.8px); }
}

/* --- 分栏编辑：右栏周期性推开 --- */

.demo-split {
  display: flex;
  padding: 0;
  align-items: stretch;
}

.demo-split .pane { padding: 26px 28px; }
.demo-split .pane-a { flex: 1; min-width: 0; }

.demo-split .pane-b {
  width: 0;
  padding: 0;
  overflow: hidden;
  border-left: 0 solid var(--border);
  background: var(--bg-alt);
  animation: splitCycle 9s ease-in-out infinite;
}
.demo-split .pane-b-inner { width: 220px; padding: 26px 24px; }

@keyframes splitCycle {
  0%, 14% { width: 0; border-left-width: 0; }
  22%, 78% { width: 46%; border-left-width: 1px; }
  86%, 100% { width: 0; border-left-width: 0; }
}

.pane-title {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-faint);
  margin-bottom: 8px;
}

.demo-split .pane p:not(.pane-title) { font-size: 13.5px; margin-bottom: 6px; }

.demo-kbd {
  position: absolute;
  top: 14px;
  right: 16px;
  z-index: 2;
  font-family: var(--mono);
  font-size: 12px;
  padding: 3px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: #fff;
  color: var(--ink-mid);
  box-shadow: 0 2px 0 var(--border-strong);
  opacity: 0;
  animation: kbdCycle 9s ease-in-out infinite;
}

@keyframes kbdCycle {
  0%, 8% { opacity: 0; transform: translateY(4px); }
  12%, 24% { opacity: 1; transform: translateY(0); }
  30%, 100% { opacity: 0; transform: translateY(4px); }
}

/* --- 图片生成：提示 → 生成中 → 成图 --- */

.demo-imagine { display: flex; flex-direction: column; gap: 14px; }

.ig-bubble {
  align-self: flex-end;
  max-width: 85%;
  background: var(--ink);
  color: #fbfbfa;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.6;
  padding: 8px 14px;
  border-radius: 12px;
  opacity: 0;
  animation: igBubble 11s ease infinite;
}
@keyframes igBubble {
  0% { opacity: 0; transform: translateY(6px); }
  5%, 95% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; }
}

.ig-canvas {
  position: relative;
  height: 170px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-alt);
}

.ig-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, #f4f4f2 30%, #e9e9e6 50%, #f4f4f2 70%);
  background-size: 220% 100%;
  animation: igShimmer 11s linear infinite;
}
@keyframes igShimmer {
  0%, 8% { opacity: 1; background-position: 120% 0; }
  20% { background-position: -60% 0; }
  32% { background-position: 120% 0; }
  44% { opacity: 1; background-position: -60% 0; }
  50%, 94% { opacity: 0; }
  100% { opacity: 1; }
}

.ig-art {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #1f2333 0%, #3a4160 52%, #6b6252 100%);
  opacity: 0;
  animation: igArt 11s ease infinite;
}
@keyframes igArt {
  0%, 46% { opacity: 0; }
  54%, 94% { opacity: 1; }
  100% { opacity: 0; }
}

.ig-moon {
  position: absolute;
  top: 22px;
  right: 46px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #f4ead8;
  box-shadow: 0 0 24px 6px rgba(244, 234, 216, 0.45);
}

.ig-hill {
  position: absolute;
  bottom: -40px;
  border-radius: 50%;
  background: #56503c;
}
.ig-hill.h1 { left: -12%; width: 70%; height: 90px; }
.ig-hill.h2 { right: -16%; width: 80%; height: 76px; background: #6b6249; }

.ig-train {
  position: absolute;
  bottom: 58px;
  left: 0;
  width: 84px;
  height: 10px;
  border-radius: 3px;
  background: #12141d;
  box-shadow: 0 0 12px 2px rgba(244, 234, 216, 0.28);
  animation: igTrain 11s linear infinite;
}
@keyframes igTrain {
  0%, 50% { transform: translateX(-120px); }
  94% { transform: translateX(560px); }
  100% { transform: translateX(560px); }
}

.ig-caption {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  opacity: 0;
  animation: igArt 11s ease infinite;
}

/* --- 划词引用：选区亮起 → 浮层 → 进入对话 --- */

.demo-quote { padding-bottom: 24px; }

.dq-line { position: relative; margin-bottom: 6px; }

.dq-select {
  border-radius: 3px;
  animation: dqSelect 8s ease infinite;
}
@keyframes dqSelect {
  0%, 8% { background: transparent; }
  16%, 88% { background: rgba(27, 27, 25, 0.12); }
  96%, 100% { background: transparent; }
}

.dq-pop {
  position: absolute;
  top: -34px;
  left: 30%;
  font-family: var(--sans);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  white-space: nowrap;
  opacity: 0;
  animation: dqPop 8s ease infinite;
}
@keyframes dqPop {
  0%, 18% { opacity: 0; transform: translateY(4px); }
  26%, 52% { opacity: 1; transform: translateY(0); }
  60%, 100% { opacity: 0; transform: translateY(4px); }
}

.dq-chip {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-top: 18px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--ink);
  border-radius: 8px;
  background: var(--bg-alt);
  padding: 10px 14px;
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--ink-mid);
  opacity: 0;
  animation: dqChip 8s ease infinite;
}
.dq-chip-icon { color: var(--ink-faint); }
@keyframes dqChip {
  0%, 55% { opacity: 0; transform: translateY(6px); }
  64%, 92% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; }
}

/* ---------- 滚动浮现 ---------- */

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */

@media (max-width: 980px) {
  .hero { flex-direction: column-reverse; }
  .hero-copy { flex: none; text-align: center; min-width: 0; }
  .hero-actions { align-items: center; }
  .hero-window { flex: none; width: min(720px, 94vw); }
}

@media (max-width: 860px) {
  .showcase, .showcase.reverse { flex-direction: column; margin-top: 72px; }
  .showcase-text { flex: none; }
  .showcase-demo { width: 100%; }
}

@media (max-width: 720px) {
  .nav-links { gap: 16px; }
  .hw-chat { display: none; }
  .hw-body { height: 340px; }
  .buy-card { justify-content: center; text-align: center; }
}