/* ==========================================================================
   通义千问 · 超宽带风全局样式规范
   STYLE: ULTRA-WIDE BAND (超宽带)
   SCENE: 发布会主KV (Key Visual)
   LAYOUT: 画幅 32:9，所有信息排成一条水平带，上下是纯空
   CONCEPT: 只在中带排字，上下裁成空。带内白，带外也白，只用黑线界定带。
            带内黑体一字排开，文字为「千问 · qwen · 千问官网 · 千问网页版」。
            绝不要上下字幕条。
   ========================================================================== */

:root {
  --ultra-bg: #ffffff;
  --ultra-ink: #000000;
  --ultra-muted: #666666;
  --ultra-subtle: #888888;
  --ultra-line: #000000;
  --ultra-line-light: #e5e5e5;
  --ultra-tag-bg: #f5f5f5;
  --ultra-accent: #2563eb;
  
  --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--ultra-bg);
  color: var(--ultra-ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--ultra-bg);
}

/* 页面通用版心约束 */
.layout-container {
  width: 100%;
  max-width: 1260px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ==========================================================================
   1. 顶栏：标志、七个锚点、登录、开始使用
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1.5px solid var(--ultra-line);
}

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

/* 标志 */
.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ultra-ink);
  flex-shrink: 0;
}

.brand-logo-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1.5px solid var(--ultra-line);
  background: #ffffff;
}

.brand-logo {
  display: block;
  width: 28px;
  height: 28px;
  object-fit: contain;
}

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

.brand-title {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--ultra-ink);
}

.brand-sub {
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: var(--ultra-muted);
  font-weight: 700;
  text-transform: uppercase;
}

/* 七个锚点 */
.nav-anchors {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 16px;
}

.nav-link {
  text-decoration: none;
  color: var(--ultra-ink);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 10px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  letter-spacing: 0.03em;
}

.nav-link:hover, .nav-link.active {
  border-color: var(--ultra-line);
  background: var(--ultra-tag-bg);
}

/* 顶栏操作区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-header-login {
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--ultra-ink);
  padding: 8px 18px;
  border: 1.5px solid var(--ultra-line);
  background: #ffffff;
  transition: all 0.2s ease;
}

.btn-header-login:hover {
  background: var(--ultra-tag-bg);
}

.btn-header-primary {
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  padding: 8px 20px;
  border: 1.5px solid var(--ultra-line);
  background: var(--ultra-ink);
  transition: all 0.2s ease;
}

.btn-header-primary:hover {
  background: #222222;
}

/* ==========================================================================
   2. 首屏：状态标签、标题、一句说明、一条提问框
   ========================================================================== */
.hero-section {
  padding: 44px 0 28px;
  background: var(--ultra-bg);
  border-bottom: 1.5px solid var(--ultra-line);
}

.hero-status-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.hero-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ultra-ink);
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  letter-spacing: 0.05em;
}

.hero-status-badge::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10b981;
}

.hero-spec-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--ultra-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px dashed var(--ultra-line);
  padding: 4px 8px;
}

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

.hero-h1 {
  font-size: 32px;
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ultra-ink);
  border-left: 5px solid var(--ultra-ink);
  padding-left: 16px;
}

.hero-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ultra-muted);
  max-width: 980px;
  margin-bottom: 26px;
}

/* 一条提问框 */
.hero-ask-form {
  display: flex;
  max-width: 880px;
  border: 1.5px solid var(--ultra-line);
  background: #ffffff;
  box-shadow: 4px 4px 0 var(--ultra-line);
  margin-bottom: 36px;
  transition: box-shadow 0.2s ease;
}

.hero-ask-form:focus-within {
  box-shadow: 5px 5px 0 var(--ultra-accent);
}

.hero-ask-input {
  flex: 1;
  border: none;
  outline: none;
  padding: 16px 20px;
  font-size: 16px;
  color: var(--ultra-ink);
  background: transparent;
  font-family: inherit;
}

.hero-ask-btn {
  border: none;
  border-left: 1.5px solid var(--ultra-line);
  background: var(--ultra-ink);
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
  padding: 0 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.05em;
  transition: background 0.2s;
}

.hero-ask-btn:hover {
  background: var(--ultra-accent);
}

/* ==========================================================================
   【超宽带 32:9 发布会主KV 核心舞台 (ULTRA-WIDE BAND STAGE)】
   场景：发布会主KV
   画幅：32:9，所有信息排成一条水平带，上下是纯空
   说明：超宽：只在中带排字，上下裁成空。带内白，带外也白，只用一条黑线界定带。
   字体：带内黑体一字排开。
   文字：「千问 · qwen · 千问官网 · 千问网页版」
   绝不要上下字幕条。
   ========================================================================== */
.ultrawide-kv-stage {
  margin-top: 28px;
  margin-bottom: 20px;
  width: 100%;
  aspect-ratio: 32 / 9;
  min-height: 220px;
  max-height: 380px;
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  overflow: hidden;
}

/* 上部纯空区域 */
.ultrawide-void-top {
  flex: 1;
  background: #ffffff;
}

/* 垂直中心单一水平带：由黑线精准界定，带内白，文字黑体一字排开 */
.ultrawide-horizontal-band {
  background: #ffffff;
  border-top: 1.5px solid var(--ultra-line);
  border-bottom: 1.5px solid var(--ultra-line);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.ultrawide-band-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: nowrap;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: 0.16em;
  color: var(--ultra-ink);
  text-transform: uppercase;
  white-space: nowrap;
}

.ultrawide-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--ultra-ink);
  border-radius: 50%;
  margin: 0 4px;
}

/* 下部纯空区域 */
.ultrawide-void-bottom {
  flex: 1;
  background: #ffffff;
}

/* ==========================================================================
   板块统一框架结构 (SECTION-WRAPPER)
   ========================================================================== */
.section-wrapper {
  padding: 48px 0;
  border-bottom: 1.5px solid var(--ultra-line);
}

.section-head {
  margin-bottom: 28px;
}

.section-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--ultra-muted);
  text-transform: uppercase;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 1.5px;
  background: var(--ultra-line);
}

.section-h2 {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--ultra-ink);
}

.section-h2-sub {
  font-size: 14px;
  color: var(--ultra-muted);
  margin-top: 6px;
}

/* ==========================================================================
   3. 信任：客户名和四个数字
   ========================================================================== */
.trust-section {
  padding: 36px 0;
  border-bottom: 1.5px solid var(--ultra-line);
  background: #ffffff;
}

.trust-clients-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--ultra-muted);
  margin-bottom: 14px;
}

.trust-clients-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.trust-client-chip {
  padding: 8px 16px;
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  font-size: 13px;
  font-weight: 700;
  color: var(--ultra-ink);
  transition: all 0.15s ease;
}

.trust-client-chip:hover {
  background: var(--ultra-tag-bg);
}

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

.trust-stat-card {
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  padding: 20px;
  position: relative;
}

.trust-stat-num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 900;
  color: var(--ultra-ink);
  margin-bottom: 6px;
}

.trust-stat-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ultra-muted);
}

/* ==========================================================================
   4. 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: 16px;
}

.cap-card {
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.cap-card:hover {
  box-shadow: 4px 4px 0 var(--ultra-line);
}

.cap-icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--ultra-line);
  background: var(--ultra-tag-bg);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 900;
  color: var(--ultra-ink);
  margin-bottom: 14px;
}

.cap-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--ultra-ink);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ultra-line-light);
}

.cap-line1 {
  font-size: 13px;
  color: var(--ultra-ink);
  line-height: 1.5;
  margin-bottom: 2px;
}

.cap-line2 {
  font-size: 13px;
  color: var(--ultra-muted);
  line-height: 1.5;
}

/* ==========================================================================
   5. 目录：两组，每组 3 张卡，带状态和「试用 / 文档」
   ========================================================================== */
.catalog-group-title {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ultra-ink);
  margin-top: 24px;
  margin-bottom: 14px;
  padding-left: 8px;
  border-left: 3px solid var(--ultra-line);
}

.catalog-group-title:first-of-type {
  margin-top: 0;
}

.catalog-cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.catalog-card {
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.catalog-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--ultra-line-light);
  padding-bottom: 8px;
}

.catalog-card-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--ultra-ink);
}

.catalog-status-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border: 1px solid var(--ultra-line);
  background: var(--ultra-tag-bg);
  color: var(--ultra-ink);
  letter-spacing: 0.05em;
}

.catalog-card-desc {
  font-size: 13px;
  color: var(--ultra-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
}

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

.btn-catalog-try {
  flex: 1;
  text-align: center;
  padding: 8px 0;
  background: var(--ultra-ink);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border: 1.5px solid var(--ultra-line);
  transition: all 0.15s ease;
}

.btn-catalog-try:hover {
  background: #222222;
}

.btn-catalog-doc {
  flex: 1;
  text-align: center;
  padding: 8px 0;
  background: #ffffff;
  color: var(--ultra-ink);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border: 1.5px solid var(--ultra-line);
  transition: all 0.15s ease;
}

.btn-catalog-doc:hover {
  background: var(--ultra-tag-bg);
}

/* ==========================================================================
   6. 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 {
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.scene-img-box {
  width: 100%;
  height: 180px;
  border-bottom: 1.5px solid var(--ultra-line);
  position: relative;
  background: #f1f5f9;
}

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

.scene-img-stamp {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0, 0, 0, 0.88);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  letter-spacing: 0.05em;
  border: 1px solid #ffffff;
}

.scene-content {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.scene-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--ultra-ink);
  margin-bottom: 8px;
}

.scene-desc {
  font-size: 13px;
  color: var(--ultra-muted);
  line-height: 1.6;
}

/* ==========================================================================
   7. 演示：左边任务，右边结果
   ========================================================================== */
.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.demo-panel {
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.demo-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1.5px solid var(--ultra-line);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.demo-panel-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--ultra-ink);
}

.demo-stamp {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 2px 8px;
  border: 1px solid var(--ultra-line);
  background: var(--ultra-tag-bg);
}

.demo-input-card {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ultra-ink);
  background: #fafafa;
  border: 1px solid var(--ultra-line-light);
  padding: 18px;
  flex: 1;
}

.demo-output-card {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ultra-ink);
  background: #ffffff;
  border: 1px solid var(--ultra-line-light);
  padding: 18px;
  font-family: var(--font-mono);
  white-space: pre-wrap;
  flex: 1;
}

/* ==========================================================================
   8. 开发者：左边卖点，右边可切换的代码
   ========================================================================== */
.dev-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 20px;
}

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

.dev-point-item {
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  padding: 18px;
}

.dev-point-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--ultra-ink);
  margin-bottom: 6px;
}

.dev-point-desc {
  font-size: 13px;
  color: var(--ultra-muted);
  line-height: 1.6;
}

.dev-code-box {
  background: #000000;
  color: #ffffff;
  border: 1.5px solid var(--ultra-line);
  display: flex;
  flex-direction: column;
}

.code-tabs-nav {
  display: flex;
  border-bottom: 1.5px solid #333333;
  background: #111111;
}

.code-tab-button {
  border: none;
  background: transparent;
  color: #888888;
  padding: 10px 18px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all 0.15s ease;
}

.code-tab-button.active, .code-tab-button:hover {
  background: #000000;
  color: #ffffff;
}

.code-view-pre {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  flex: 1;
}

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

.ent-card {
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  padding: 22px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.ent-badge {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ultra-ink);
  border: 1px solid var(--ultra-line);
  background: var(--ultra-tag-bg);
  padding: 2px 8px;
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 12px;
}

.ent-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--ultra-ink);
  margin-bottom: 8px;
}

.ent-desc {
  font-size: 13px;
  color: var(--ultra-muted);
  line-height: 1.6;
}

/* ==========================================================================
   10. 下载和帮助：各 5 列
   ========================================================================== */
.five-col-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.five-col-item {
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ultra-ink);
  transition: all 0.15s ease;
}

.five-col-item:hover {
  box-shadow: 4px 4px 0 var(--ultra-line);
}

.five-title {
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 4px;
}

.five-sub {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ultra-muted);
  margin-bottom: 8px;
}

.five-desc {
  font-size: 12px;
  color: var(--ultra-muted);
  line-height: 1.5;
}

/* ==========================================================================
   11. 问答：默认折叠，点开才看步骤
   ========================================================================== */
.faq-wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-detail-block {
  background: #ffffff;
  border: 1.5px solid var(--ultra-line);
  transition: all 0.2s ease;
}

.faq-summary-block {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 800;
  color: var(--ultra-ink);
  cursor: pointer;
  list-style: none;
  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-size: 20px;
  font-weight: 700;
  color: var(--ultra-ink);
}

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

.faq-body-block {
  padding: 0 20px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: #333333;
  border-top: 1px dashed var(--ultra-line-light);
  margin-top: 4px;
  padding-top: 16px;
}

.faq-steps-ol {
  margin-top: 10px;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ==========================================================================
   12. 页脚：品牌说明加四列链接
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background: #ffffff;
  border-top: 1.5px solid var(--ultra-line);
  padding: 48px 0 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.footer-brand-title {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--ultra-ink);
  margin-bottom: 12px;
}

.footer-brand-desc {
  font-size: 13px;
  line-height: 1.8;
  color: var(--ultra-muted);
}

.footer-col-h {
  font-size: 14px;
  font-weight: 800;
  color: var(--ultra-ink);
  margin-bottom: 14px;
  border-bottom: 1px solid var(--ultra-line-light);
  padding-bottom: 6px;
}

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

.footer-a {
  text-decoration: none;
  font-size: 13px;
  color: var(--ultra-muted);
  transition: color 0.15s ease;
}

.footer-a:hover {
  color: var(--ultra-ink);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--ultra-line-light);
  padding-top: 20px;
  font-size: 12px;
  color: var(--ultra-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   响应式断点适配
   ========================================================================== */
@media (max-width: 1080px) {
  .ultrawide-band-content {
    font-size: 18px;
    gap: 18px;
  }
  .trust-stats-grid,
  .caps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .catalog-cards-row,
  .scenes-grid,
  .ent-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .five-col-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: auto;
    padding: 12px 0;
    flex-wrap: wrap;
  }
  .nav-anchors {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .hero-h1 {
    font-size: 24px;
  }
  .hero-ask-form {
    flex-direction: column;
  }
  .hero-ask-btn {
    border-left: none;
    border-top: 1.5px solid var(--ultra-line);
    padding: 12px;
    justify-content: center;
  }
  .ultrawide-kv-stage {
    min-height: 160px;
    aspect-ratio: auto;
    padding: 20px 0;
  }
  .ultrawide-band-content {
    font-size: 14px;
    gap: 10px;
    letter-spacing: 0.08em;
  }
  .trust-stats-grid,
  .caps-grid,
  .catalog-cards-row,
  .scenes-grid,
  .demo-grid,
  .dev-grid,
  .ent-grid,
  .five-col-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
}