/* ==========================================================================
   通义千问 QWEN - 【色块文字 / 块面风】官方视觉系统
   规范：
   - 风格：块面（五种灰，字是白或黑，没有图案，没有鲜艳色，拒绝蒙德里安原色）
   - 核心布局：五个矩形色块顶边严格对齐、底边高低不同，文字仅放在块内
   - 字体：块内黑体（干净、硬朗、扎实、高密度排版）
   - 五块内容：千问官网、千问网页版、千问办公、qwen AI、通义千问
   - 交互：极速流畅，纯净无外链，完全响应式适配手机与电脑
   ========================================================================== */

:root {
  /* 五种灰阶色块（从白到深灰/近黑） */
  --gray-block-1: #f2f2f2; /* 灰阶1：近白灰，配黑字 */
  --gray-block-2: #d4d4d4; /* 灰阶2：浅灰，配黑字 */
  --gray-block-3: #969696; /* 灰阶3：中灰，配白字 */
  --gray-block-4: #4a4a4a; /* 灰阶4：深灰，配白字 */
  --gray-block-5: #1a1a1a; /* 灰阶5：极深灰，配白字 */

  --text-dark: #111111;
  --text-light: #ffffff;
  --bg-page: #fbfbfb;
  --border-line: #dcdcdc;
  --border-dark: #222222;

  --font-heiti: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Heiti SC", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-page);
  color: var(--text-dark);
}

body {
  font-family: var(--font-heiti);
  color: var(--text-dark);
  background-color: var(--bg-page);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.layout-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --------------------------------------------------------------------------
   顶栏：标志、七个锚点、登录、开始使用
-------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 251, 251, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--border-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-dark);
}

.brand-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #666666;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-anchors {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-link {
  font-size: 0.94rem;
  font-weight: 700;
  color: #333333;
  text-decoration: none;
  padding: 6px 0;
  position: relative;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--text-dark);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--text-dark);
  transition: width 0.2s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header-login {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-dark);
  text-decoration: none;
  padding: 8px 18px;
  border: 1px solid var(--border-dark);
  background: var(--gray-block-1);
  transition: all 0.15s ease;
}

.btn-header-login:hover {
  background: var(--gray-block-2);
}

.btn-header-primary {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-light);
  background: var(--gray-block-5);
  text-decoration: none;
  padding: 8px 20px;
  border: 1px solid var(--border-dark);
  transition: all 0.15s ease;
}

.btn-header-primary:hover {
  background: var(--gray-block-4);
}

/* --------------------------------------------------------------------------
   首屏：状态标签、标题、一句说明、一条提问框
   + 核心规范视觉：五块灰顶边对齐、底边不齐的块面布局
-------------------------------------------------------------------------- */
.hero-block-section {
  padding: 48px 0 60px;
  border-bottom: 2px solid var(--border-dark);
  background: #ffffff;
}

.hero-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.hero-status-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--gray-block-5);
  color: var(--text-light);
  padding: 4px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-status-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #ffffff;
  border-radius: 50%;
}

.hero-spec-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  color: #666666;
}

.hero-title-box {
  margin-bottom: 16px;
}

.hero-h1 {
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: #444444;
  line-height: 1.7;
  max-width: 900px;
  margin-bottom: 28px;
}

/* 首屏提问框 */
.hero-ask-form {
  display: flex;
  max-width: 860px;
  border: 2px solid var(--border-dark);
  background: #ffffff;
  margin-bottom: 44px;
}

.hero-ask-input {
  flex: 1;
  border: none;
  outline: none;
  padding: 16px 20px;
  font-size: 1.02rem;
  font-family: var(--font-heiti);
  color: var(--text-dark);
  background: transparent;
}

.hero-ask-input::placeholder {
  color: #888888;
}

.hero-ask-btn {
  font-family: var(--font-heiti);
  font-size: 0.95rem;
  font-weight: 800;
  background: var(--gray-block-5);
  color: var(--text-light);
  border: none;
  padding: 0 28px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s ease;
}

.hero-ask-btn:hover {
  background: var(--gray-block-4);
}

/* --------------------------------------------------------------------------
   核心块面视觉：五个矩形色块顶边对齐、底边不齐，字只放在块内，五种灰
-------------------------------------------------------------------------- */
.five-blocks-container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  align-items: start; /* 确保顶边完全绝对对齐 */
  margin-top: 10px;
}

.block-rect {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px 18px;
  transition: transform 0.2s ease;
}

.block-rect:hover {
  transform: translateY(-4px);
}

/* 五种灰与五种高低错落高度（底边参差不齐） */
.block-1 {
  background-color: var(--gray-block-1);
  color: var(--text-dark);
  min-height: 330px;
  border-top: 4px solid #111111;
}

.block-2 {
  background-color: var(--gray-block-2);
  color: var(--text-dark);
  min-height: 410px;
  border-top: 4px solid #333333;
}

.block-3 {
  background-color: var(--gray-block-3);
  color: var(--text-light);
  min-height: 290px;
  border-top: 4px solid #ffffff;
}

.block-4 {
  background-color: var(--gray-block-4);
  color: var(--text-light);
  min-height: 380px;
  border-top: 4px solid #ffffff;
}

.block-5 {
  background-color: var(--gray-block-5);
  color: var(--text-light);
  min-height: 310px;
  border-top: 4px solid #999999;
}

.block-header {
  margin-bottom: 16px;
}

.block-num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  opacity: 0.7;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.block-main-name {
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.block-desc {
  font-size: 0.86rem;
  line-height: 1.6;
  opacity: 0.92;
  font-weight: 500;
}

.block-footer {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 0, 0, 0.15);
}

.block-3 .block-footer,
.block-4 .block-footer,
.block-5 .block-footer {
  border-top-color: rgba(255, 255, 255, 0.2);
}

.block-link-tag {
  font-family: var(--font-heiti);
  font-size: 0.8rem;
  font-weight: 800;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: inherit;
}

/* --------------------------------------------------------------------------
   信任：客户名和四个数字
-------------------------------------------------------------------------- */
.trust-section {
  padding: 44px 0;
  background: var(--gray-block-1);
  border-bottom: 2px solid var(--border-dark);
}

.trust-clients-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #666666;
  margin-bottom: 14px;
}

.trust-clients-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}

.trust-client-chip {
  font-size: 0.96rem;
  font-weight: 800;
  color: var(--text-dark);
  background: #ffffff;
  border: 1px solid var(--border-dark);
  padding: 6px 16px;
}

.trust-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.trust-stat-card {
  background: #ffffff;
  border: 1px solid var(--border-dark);
  padding: 22px;
}

.trust-stat-num {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1.1;
  margin-bottom: 6px;
}

.trust-stat-label {
  font-size: 0.86rem;
  font-weight: 600;
  color: #444444;
}

/* --------------------------------------------------------------------------
   通用章节头规范
-------------------------------------------------------------------------- */
.section-wrapper {
  padding: 64px 0;
  border-bottom: 2px solid var(--border-dark);
  background: #ffffff;
}

.section-head {
  margin-bottom: 36px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: #666666;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.section-h2 {
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1.25;
}

.section-h2-sub {
  font-size: 0.98rem;
  color: #555555;
  margin-top: 6px;
}

/* --------------------------------------------------------------------------
   能力：4 列 × 2 行，只有图标、标题和两行字
-------------------------------------------------------------------------- */
.caps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.cap-card {
  border: 1px solid var(--border-dark);
  background: var(--gray-block-1);
  padding: 24px;
}

.cap-icon {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 900;
  background: var(--gray-block-5);
  color: var(--text-light);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.cap-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.cap-line1, .cap-line2 {
  font-size: 0.86rem;
  color: #444444;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   目录：两组，每组 3 张卡，带状态和「试用 / 文档」
-------------------------------------------------------------------------- */
.catalog-group-title {
  font-size: 1.2rem;
  font-weight: 900;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.catalog-cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 36px;
}

.catalog-card {
  border: 1px solid var(--border-dark);
  padding: 22px;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.catalog-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.catalog-card-title {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--text-dark);
}

.catalog-status-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border: 1px solid var(--border-dark);
  background: var(--gray-block-2);
}

.catalog-card-desc {
  font-size: 0.88rem;
  color: #444444;
  line-height: 1.6;
  margin-bottom: 20px;
}

.catalog-card-actions {
  display: flex;
  gap: 10px;
}

.btn-catalog-try {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-light);
  background: var(--gray-block-5);
  text-decoration: none;
  padding: 6px 16px;
  border: 1px solid var(--border-dark);
}

.btn-catalog-doc {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-dark);
  background: var(--gray-block-1);
  text-decoration: none;
  padding: 6px 16px;
  border: 1px solid var(--border-dark);
}

.btn-catalog-try:hover {
  background: var(--gray-block-4);
}

.btn-catalog-doc:hover {
  background: var(--gray-block-2);
}

/* --------------------------------------------------------------------------
   场景：3 列 × 2 行（合理插入 1.webp-4.webp）
-------------------------------------------------------------------------- */
.scenes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.scene-card {
  border: 1px solid var(--border-dark);
  background: #ffffff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.scene-img-box {
  width: 100%;
  height: 175px;
  border-bottom: 1px solid var(--border-dark);
  overflow: hidden;
  background: var(--gray-block-2);
  position: relative;
}

.scene-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scene-img-stamp {
  position: absolute;
  bottom: 8px;
  right: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--gray-block-5);
  color: var(--text-light);
  padding: 2px 6px;
}

.scene-content {
  padding: 20px;
  flex: 1;
}

.scene-title {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.scene-desc {
  font-size: 0.86rem;
  color: #444444;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   演示：左边任务，右边结果
-------------------------------------------------------------------------- */
.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.demo-panel {
  border: 1px solid var(--border-dark);
  padding: 24px;
  background: #ffffff;
}

.demo-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-dark);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.demo-panel-title {
  font-size: 1.15rem;
  font-weight: 900;
}

.demo-stamp {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--gray-block-4);
  color: var(--text-light);
  padding: 2px 8px;
}

.demo-input-card {
  background: var(--gray-block-1);
  padding: 16px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: #222222;
}

.demo-output-card {
  background: var(--gray-block-5);
  color: #eeeeee;
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.65;
  white-space: pre-wrap;
}

/* --------------------------------------------------------------------------
   开发者：左边卖点，右边可切换的代码
-------------------------------------------------------------------------- */
.dev-grid {
  display: grid;
  grid-template-columns: 4.8fr 7.2fr;
  gap: 24px;
}

.dev-points-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dev-point-item {
  border: 1px solid var(--border-dark);
  padding: 18px;
  background: var(--gray-block-1);
}

.dev-point-title {
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: 4px;
}

.dev-point-desc {
  font-size: 0.86rem;
  color: #444444;
  line-height: 1.6;
}

.dev-code-box {
  border: 1px solid var(--border-dark);
  background: var(--gray-block-5);
  color: var(--text-light);
}

.code-tabs-nav {
  display: flex;
  background: #111111;
  border-bottom: 1px solid #333333;
}

.code-tab-button {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: #888888;
  background: transparent;
  border: none;
  padding: 12px 18px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.code-tab-button.active {
  color: #ffffff;
  border-bottom-color: #ffffff;
  background: var(--gray-block-5);
}

.code-view-pre {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.7;
  overflow-x: auto;
  color: #dddddd;
}

/* --------------------------------------------------------------------------
   企业：3 列 × 2 行
-------------------------------------------------------------------------- */
.ent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.ent-card {
  border: 1px solid var(--border-dark);
  padding: 24px;
  background: #ffffff;
}

.ent-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #666666;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.ent-title {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.ent-desc {
  font-size: 0.86rem;
  color: #444444;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   下载和帮助：各 5 列
-------------------------------------------------------------------------- */
.five-col-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 34px;
}

.five-col-item {
  border: 1px solid var(--border-dark);
  padding: 18px 14px;
  background: #ffffff;
  text-decoration: none;
  color: var(--text-dark);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.15s ease;
}

.five-col-item:hover {
  background: var(--gray-block-5);
  color: var(--text-light);
}

.five-col-item:hover .five-sub,
.five-col-item:hover .five-desc {
  color: #cccccc;
}

.five-title {
  font-size: 1rem;
  font-weight: 900;
  margin-bottom: 4px;
}

.five-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #666666;
  margin-bottom: 10px;
}

.five-desc {
  font-size: 0.82rem;
  color: #555555;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   问答：默认折叠，点开才看步骤
-------------------------------------------------------------------------- */
.faq-wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 960px;
  margin: 0 auto;
}

.faq-detail-block {
  border: 1px solid var(--border-dark);
  background: #ffffff;
}

.faq-detail-block[open] {
  border-width: 2px;
}

.faq-summary-block {
  list-style: none;
  padding: 18px 22px;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-summary-block::-webkit-details-marker {
  display: none;
}

.faq-summary-block::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
}

.faq-detail-block[open] .faq-summary-block::after {
  content: "−";
}

.faq-body-block {
  padding: 0 22px 20px;
  border-top: 1px solid var(--border-line);
  padding-top: 16px;
  font-size: 0.92rem;
  color: #444444;
  line-height: 1.7;
}

.faq-steps-ol {
  list-style: none;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-steps-ol li {
  position: relative;
  padding-left: 24px;
}

.faq-steps-ol li::before {
  content: "▪";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.85rem;
  color: var(--text-dark);
}

/* --------------------------------------------------------------------------
   页脚：品牌说明加四列链接
-------------------------------------------------------------------------- */
.site-footer {
  background: var(--gray-block-5);
  color: var(--text-light);
  padding: 56px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 4fr repeat(4, 2fr);
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid #333333;
}

.footer-brand-title {
  font-size: 1.35rem;
  font-weight: 900;
  margin-bottom: 12px;
}

.footer-brand-desc {
  font-size: 0.86rem;
  color: #aaaaaa;
  line-height: 1.7;
}

.footer-col-h {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: #ffffff;
}

.footer-links-ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-a {
  text-decoration: none;
  font-size: 0.86rem;
  color: #aaaaaa;
  transition: color 0.15s ease;
}

.footer-a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: #777777;
}

/* --------------------------------------------------------------------------
   网页版与帮助中心工作台
-------------------------------------------------------------------------- */
.app-stage-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: calc(100vh - 68px);
  border-top: 2px solid var(--border-dark);
}

.app-side-panel {
  border-right: 1px solid var(--border-dark);
  background: var(--gray-block-1);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.app-chat-column {
  display: flex;
  flex-direction: column;
  background: #ffffff;
}

.app-chat-messages {
  flex: 1;
  padding: 32px 44px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.block-bubble {
  max-width: 840px;
  border: 1px solid var(--border-dark);
  padding: 20px;
  background: #ffffff;
}

.block-bubble.assistant {
  border-left: 6px solid var(--gray-block-5);
  background: #ffffff;
}

.block-bubble.user {
  align-self: flex-end;
  background: var(--gray-block-1);
}

.app-input-dock {
  border-top: 1px solid var(--border-dark);
  padding: 18px 44px 26px;
  background: #ffffff;
}

/* 响应式断点 */
@media (max-width: 1024px) {
  .five-blocks-container {
    grid-template-columns: repeat(3, 1fr);
  }
  .block-rect {
    min-height: 280px !important;
  }
  .caps-grid,
  .trust-stats-grid,
  .scenes-grid,
  .ent-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .five-col-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .demo-grid,
  .dev-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-anchors {
    display: none;
  }
  .five-blocks-container {
    grid-template-columns: 1fr;
  }
  .block-rect {
    min-height: auto !important;
  }
  .caps-grid,
  .trust-stats-grid,
  .catalog-cards-row,
  .scenes-grid,
  .ent-grid,
  .five-col-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .app-stage-layout {
    grid-template-columns: 1fr;
  }
  .app-side-panel {
    display: none;
  }
  .app-chat-messages,
  .app-input-dock {
    padding-left: 16px;
    padding-right: 16px;
  }
}