/* =========================================================
   Qilvenza 官网样式（WEB-01 极简重设计）
   原则：一屏一主张、三级字阶、行宽受限、深浅双主题、
   零外部依赖（系统字体、无外链字体与图标库）。
   ========================================================= */

:root {
  /* 品牌色（延续原有主色） */
  --navy: #173b63;
  --teal: #16877d;
  --gold: #c59a45;

  /* 字体 */
  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-display: var(--font-sans);
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, "Microsoft YaHei", monospace;

  /* 浅色主题 */
  --bg: #f7f9fc;
  --bg-raised: #ffffff;
  --ink: #17293b;
  --ink-strong: #0f1f30;
  --ink-soft: #5b6c7c;
  --ink-faint: #8595a4;
  --line: #dde5ec;
  --accent: var(--navy);
  --accent-ink: #ffffff;
  --accent-soft: rgba(23, 59, 99, 0.08);
  --link: #1c5b8f;
  --shadow-shot:
    0 1px 2px rgba(15, 31, 48, 0.06),
    0 24px 60px -24px rgba(15, 31, 48, 0.28);
  --shadow-card: 0 1px 3px rgba(15, 31, 48, 0.08);
  --footer-bg: #0d1e31;
  --footer-ink: #b9c7d4;
  --footer-ink-strong: #f2f6fa;
  --footer-line: rgba(255, 255, 255, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1620;
    --bg-raised: #16212e;
    --ink: #d9e2ea;
    --ink-strong: #f2f6fa;
    --ink-soft: #93a3b2;
    --ink-faint: #6d7d8c;
    --line: #263442;
    --accent: #cfe0f2;
    --accent-ink: #10233a;
    --accent-soft: rgba(207, 224, 242, 0.1);
    --link: #86b4dc;
    --shadow-shot:
      0 1px 2px rgba(0, 0, 0, 0.4),
      0 24px 60px -24px rgba(0, 0, 0, 0.6);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.35);
    --footer-bg: #0a141e;
    --footer-line: rgba(255, 255, 255, 0.1);
  }
}

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

html {
  scroll-behavior: smooth;
}

[hidden] {
  display: none !important;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 0 0 10px 10px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 14px;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

.container {
  width: min(100% - 48px, 1080px);
  margin-inline: auto;
}

::selection {
  background: var(--accent-soft);
}

/* ---------- 字阶：仅三级 ---------- */
h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 6vw, 62px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.03em;
  color: var(--ink-strong);
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--ink-strong);
}

/* ---------- 按钮与文字链接 ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  transition: opacity 0.18s, transform 0.18s;
}

.button svg {
  width: 18px;
  height: 18px;
}

.button:hover {
  opacity: 0.88;
}

.button:active {
  transform: scale(0.98);
}

.button--primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.button--secondary {
  background: transparent;
  color: inherit;
  box-shadow: inset 0 0 0 1.5px currentColor;
}

.button--large {
  padding: 15px 34px;
  font-size: 17px;
}

.button--small {
  padding: 8px 18px;
  font-size: 14px;
}

.button--full {
  width: 100%;
}

.button.disabled {
  opacity: 0.45;
  pointer-events: auto;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--link);
  font-size: 16px;
  font-weight: 600;
}

.text-link svg {
  width: 15px;
  height: 15px;
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s;
}

.site-header.scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.brand-copy {
  display: grid;
  line-height: 1.25;
}

.brand-copy strong {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink-strong);
}

.brand-copy small {
  font-size: 12px;
  color: var(--ink-faint);
}

.site-nav {
  display: flex;
  gap: 28px;
}

.site-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.18s;
}

.site-nav a:hover {
  color: var(--ink-strong);
}

/* ---------- 屏 1 · Hero ---------- */
.hero {
  padding: clamp(72px, 12vh, 130px) 0 clamp(56px, 8vh, 90px);
  text-align: center;
}

.hero-inner {
  max-width: 720px;
}

.hero-brand {
  margin-bottom: 18px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.hero-lead {
  max-width: 34em;
  margin: 22px auto 0;
  font-size: clamp(17px, 2vw, 19px);
  color: var(--ink-soft);
}

.hero-meta {
  margin-top: 14px;
  font-size: 14px;
  color: var(--ink-faint);
}

.hero-actions {
  margin-top: 34px;
}

.hero-figure {
  margin-top: clamp(48px, 8vh, 84px);
}

/* 截图：浏览器式圆角与投影 */
.shot {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  box-shadow: var(--shadow-shot);
}

.shot--hero {
  max-width: 960px;
  margin-inline: auto;
}

/* ---------- 屏 2-5 · 场景 ---------- */
.scene {
  display: flex;
  align-items: center;
  min-height: min(72vh, 640px);
  padding: clamp(72px, 11vh, 120px) 0;
  border-top: 1px solid var(--line);
}

.scene-inner {
  max-width: 640px;
}

.scene--right .scene-inner {
  margin-left: auto;
  text-align: right;
}

.scene-kicker {
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.scene-lead {
  max-width: 30em;
  margin-top: 18px;
  font-size: clamp(17px, 2vw, 19px);
  color: var(--ink-soft);
}

.scene--right .scene-lead {
  margin-left: auto;
}

.scene--split .scene-split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  align-items: center;
  gap: clamp(36px, 5vw, 72px);
}

.shot--scene {
  padding: clamp(16px, 3vw, 32px);
}

.shot--scene img {
  border-radius: 6px;
}

/* ---------- 屏 6 · 下载 ---------- */
.scene--download {
  min-height: min(64vh, 560px);
  text-align: center;
}

.scene--download .scene-inner {
  margin-inline: auto;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  margin-bottom: 20px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--accent-soft);
}

.status-pill.available {
  color: var(--teal);
  background: rgba(22, 135, 125, 0.12);
}

.status-pill.invite {
  color: var(--gold);
  background: rgba(197, 154, 69, 0.14);
}

.download-line {
  margin-top: 18px;
  font-size: 16px;
  color: var(--ink-soft);
}

.download-note {
  max-width: 32em;
  margin: 10px auto 0;
  font-size: 14px;
  color: var(--ink-faint);
}

.download-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-top: 26px;
}

.checksum-fold {
  max-width: 560px;
  margin: 40px auto 0;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-raised);
}

.checksum-fold summary {
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  list-style: none;
}

.checksum-fold summary::-webkit-details-marker {
  display: none;
}

.checksum-fold summary::after {
  content: "＋";
  float: right;
  color: var(--ink-faint);
}

.checksum-fold[open] summary::after {
  content: "－";
}

.checksum-list {
  display: grid;
  gap: 12px;
  padding: 6px 20px 20px;
  border-top: 1px solid var(--line);
}

.checksum-list > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-top: 12px;
}

.checksum-list dt {
  font-size: 13px;
  color: var(--ink-faint);
}

.checksum-list dd {
  font-size: 14px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.checksum-list code {
  font-family: var(--font-mono);
  font-size: 13px;
}

.checksum-list .text-link {
  margin-left: 12px;
  font-size: 13px;
}

/* ---------- 屏 7 · 页脚 ---------- */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-ink);
}

.footer-inner {
  padding: clamp(64px, 10vh, 100px) 0 36px;
}

.footer-contact {
  max-width: 560px;
}

.footer-contact h2 {
  color: var(--footer-ink-strong);
}

.footer-contact > p {
  max-width: 32em;
  margin-top: 14px;
  font-size: 16px;
}

.footer-contact .button {
  margin-top: 26px;
  color: var(--footer-ink-strong);
}

.footer-channels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 26px;
  font-size: 14px;
}

.footer-channels > span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-channels svg {
  width: 15px;
  height: 15px;
  opacity: 0.7;
}

.footer-channels img {
  display: block;
  max-width: 100%;
  border-radius: 8px;
}

/* 无任何真实渠道时的指引文案（WEB-01b：空渠道零占位） */
.footer-guide {
  margin-top: 26px;
  font-size: 15px;
  color: var(--footer-ink-strong);
}

.footer-legal {
  margin-top: 56px;
  padding-top: 26px;
  border-top: 1px solid var(--footer-line);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--footer-ink-strong);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: 22px;
  font-size: 13px;
  color: var(--footer-ink);
  color: color-mix(in srgb, var(--footer-ink) 75%, transparent);
}

.footer-compliance {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-compliance a:hover {
  color: var(--footer-ink-strong);
}

.beian-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.beian-link img {
  width: 16px;
  height: 16px;
}

/* ---------- 弹窗 ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(9, 18, 28, 0.55);
  backdrop-filter: blur(6px);
}

.modal-dialog {
  position: relative;
  width: min(100%, 520px);
  max-height: min(88vh, 760px);
  overflow-y: auto;
  padding: 34px;
  border-radius: 20px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-shot);
  outline: none;
}

.modal-dialog--compact {
  width: min(100%, 440px);
}

body.modal-open {
  overflow: hidden;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--ink-faint);
  background: var(--accent-soft);
}

.modal-close svg {
  width: 16px;
  height: 16px;
}

.modal-heading span {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--teal);
}

.modal-heading h2 {
  margin-top: 6px;
  font-size: 24px;
}

.modal-heading p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-soft);
}

.modal-heading--center {
  text-align: center;
}

.download-confirm-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: 14px;
  color: var(--accent);
  background: var(--accent-soft);
}

.download-confirm-icon svg {
  width: 26px;
  height: 26px;
}

.download-confirm-details {
  display: grid;
  gap: 10px;
  margin: 20px 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.download-confirm-details > div {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}

.download-confirm-details dt {
  color: var(--ink-faint);
}

/* ---------- 表单 ---------- */
.lead-form {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.lead-form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
}

.lead-form label span {
  color: var(--gold);
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
}

.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  outline: 2px solid var(--link);
  outline-offset: 1px;
}

.lead-form .invalid {
  border-color: #c0564f;
}

.consent {
  display: flex !important;
  grid-template-columns: none;
  align-items: flex-start;
  gap: 10px;
  font-weight: 500 !important;
}

.consent input {
  margin-top: 4px;
}

.consent a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-error {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(192, 86, 79, 0.4);
  color: #b04a43;
  background: rgba(192, 86, 79, 0.08);
  font-size: 13px;
}

.form-footnote {
  font-size: 12px;
  color: var(--ink-faint);
  text-align: center;
}

/* 蜜罐字段：移出视口且不可聚焦，对真实用户完全不可见（WEB-01b 防爬虫） */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* 线索接口未配置时的表单区替代指引 */
.form-fallback {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 28px 0 8px;
  text-align: center;
}

.form-fallback p {
  font-size: 15px;
  color: var(--ink-soft);
}

.form-success {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 28px 0 8px;
  text-align: center;
}

.success-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  color: var(--teal);
  background: rgba(22, 135, 125, 0.12);
}

.success-icon svg {
  width: 24px;
  height: 24px;
}

.form-success h3 {
  font-size: 19px;
  color: var(--ink-strong);
}

.form-success p {
  font-size: 14px;
  color: var(--ink-soft);
}

.success-contacts {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.success-contacts span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.success-contacts svg {
  width: 15px;
  height: 15px;
  color: var(--ink-faint);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  z-index: 80;
  max-width: min(92vw, 480px);
  padding: 12px 20px;
  border-radius: 12px;
  background: var(--ink-strong);
  color: var(--bg);
  font-size: 14px;
  transform: translateX(-50%);
  box-shadow: var(--shadow-shot);
}

@media (prefers-color-scheme: dark) {
  .toast {
    background: var(--bg-raised);
    color: var(--ink-strong);
    border: 1px solid var(--line);
  }
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal--delay {
  transition-delay: 0.12s;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal--delay {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* =========================================================
   子页面：更新记录 / 隐私政策 / 用户协议
   ========================================================= */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--teal);
}

.subpage-body {
  min-height: 100vh;
  background: var(--bg);
}

.subpage-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
}

.subpage-header__inner {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.subpage-nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.subpage-nav a:not(.button) {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
}

.subpage-main {
  padding: 64px 0 100px;
}

.subpage-hero {
  max-width: 760px;
  margin-bottom: 46px;
}

.subpage-hero h1 {
  margin-top: 14px;
}

.subpage-hero p {
  max-width: 36em;
  margin-top: 16px;
  color: var(--ink-soft);
}

.document-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  align-items: start;
  gap: 28px;
}

.document-toc {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-raised);
  box-shadow: var(--shadow-card);
}

.document-toc strong {
  padding: 4px 8px 8px;
  font-size: 13px;
  color: var(--ink-strong);
}

.document-toc a {
  padding: 7px 8px;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 13px;
}

.document-toc a:hover {
  color: var(--teal);
  background: var(--accent-soft);
}

.document-card {
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg-raised);
  box-shadow: var(--shadow-card);
}

.document-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 13px;
}

.document-card section + section {
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.document-card h2 {
  font-size: 24px;
}

.document-card h3 {
  margin-top: 22px;
  font-size: 17px;
  color: var(--ink-strong);
}

.document-card p,
.document-card li {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

.document-card p {
  margin-top: 12px;
}

.document-card ul,
.document-card ol {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  list-style: none;
}

.document-card ul li {
  position: relative;
  padding-left: 18px;
}

.document-card ul li::before {
  position: absolute;
  top: 12px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  content: "";
}

.document-card ol {
  counter-reset: doc-counter;
}

.document-card ol li {
  position: relative;
  padding-left: 34px;
  counter-increment: doc-counter;
}

.document-card ol li::before {
  position: absolute;
  top: 2px;
  left: 0;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  color: var(--teal);
  background: var(--accent-soft);
  content: counter(doc-counter);
  font-size: 11px;
  font-weight: 700;
}

.document-notice {
  margin-top: 20px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink-soft);
  background: var(--accent-soft);
  font-size: 13px;
}

.release-timeline {
  display: grid;
  gap: 18px;
}

.release-entry {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-raised);
  box-shadow: var(--shadow-card);
}

.release-entry__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.release-entry__version {
  display: flex;
  align-items: center;
  gap: 12px;
}

.release-entry__version span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  color: var(--teal);
  background: var(--accent-soft);
}

.release-entry__version svg {
  width: 20px;
  height: 20px;
}

.release-entry h2 {
  font-size: 21px;
}

.release-entry time {
  color: var(--ink-faint);
  font-size: 13px;
}

.release-entry .status-pill {
  flex: 0 0 auto;
  margin-bottom: 0;
}

.release-entry ul {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  list-style: none;
}

.release-entry li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 14px;
}

.release-entry li::before {
  position: absolute;
  top: 9px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  content: "";
}

.subpage-footer {
  padding: 26px 0;
  color: var(--footer-ink);
  background: var(--footer-bg);
  font-size: 13px;
}

.subpage-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.subpage-footer a {
  color: var(--footer-ink);
}

.subpage-footer a:hover {
  color: var(--footer-ink-strong);
}

/* ---------- 响应式：移动端单列 ---------- */
@media (max-width: 860px) {
  .scene--split .scene-split {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .document-shell {
    grid-template-columns: 1fr;
  }

  .document-toc {
    position: static;
    grid-template-columns: 1fr 1fr;
  }

  .document-toc strong {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .container {
    width: min(100% - 40px, 1080px);
  }

  .scene {
    min-height: 0;
  }

  .scene--right .scene-inner {
    margin-left: 0;
    text-align: left;
  }

  .scene--right .scene-lead {
    margin-left: 0;
  }

  .scene--download .scene-inner {
    text-align: center;
  }

  .download-links {
    flex-direction: column;
    align-items: center;
    gap: 14px;
  }

  .checksum-list > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .modal {
    padding: 14px;
    align-items: end;
  }

  .modal-dialog {
    padding: 26px 22px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .subpage-nav a:not(.button) {
    display: none;
  }

  .release-entry__top {
    flex-direction: column;
  }

  .subpage-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* 2026-09-29：官网创作区左文右图，复用品牌颜色，不展示使用等级与结算规则。 */
:root {
  --product-section-space: 80px;
  --creation-gap: clamp(32px, 5vw, 72px);
  --creation-copy-gap: 24px;
  --creation-heading-size: clamp(30px, 3.4vw, 44px);
  --creation-body-size: clamp(18px, 1.5vw, 20px);
  --creation-art-radius: 24px;
  --creation-accent: var(--teal);
}

.scene--left, .scene--right { min-height: 0; padding-block: var(--product-section-space); }
.product-creation { padding-block: var(--product-section-space); scroll-margin-top: var(--product-section-space); }
.creation-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: var(--creation-gap);
}
.creation-copy { min-width: 0; }
.creation-kicker {
  margin-bottom: var(--creation-copy-gap);
  color: var(--creation-accent);
  font-size: var(--creation-body-size);
  font-weight: 600;
}
.product-creation h2 {
  color: var(--ink-strong);
  font-size: var(--creation-heading-size);
  line-height: 1.35;
  letter-spacing: -.03em;
}
.creation-description, .creation-surprise {
  margin-top: var(--creation-copy-gap);
  font-size: var(--creation-body-size);
  line-height: 1.9;
}
.creation-description { max-width: 30em; color: var(--ink-soft); }
.creation-surprise { color: var(--creation-accent); font-weight: 600; }
.creation-art { min-width: 0; }
.creation-art img { width: 100%; height: auto; border-radius: var(--creation-art-radius); }

@media (prefers-color-scheme: dark) {
  :root { --creation-accent: var(--accent); }
}
@media (max-width: 860px) {
  .creation-layout { grid-template-columns: 1fr; }
  .creation-art { width: 100%; max-width: 600px; justify-self: center; }
}
@media (max-width: 600px) {
  .site-nav { gap: 12px; }
  .site-nav a { font-size: 13px; }
}

/* 2026-10-12 用户授权：官网纯白与金线主题。所有新外观数值只在这里定义。 */
body.showcase-site {
  color-scheme: light;
  --sc-white: #ffffff;
  --sc-ink: #17293b;
  --sc-ink-strong: #0f1f30;
  --sc-ink-soft: #607080;
  --sc-ink-faint: #8b949b;
  --sc-gold: #c59a45;
  --sc-line: #e9e4da;
  --sc-line-soft: color-mix(in srgb, var(--sc-gold) 13%, var(--sc-white));
  --sc-gold-soft: color-mix(in srgb, var(--sc-gold) 10%, var(--sc-white));
  --sc-header-height: 76px;
  --sc-header-width: 1480px;
  --sc-page-width: 1480px;
  --sc-page-gutter: clamp(24px, 4vw, 64px);
  --sc-page-padding: clamp(22px, 3dvh, 36px);
  --sc-page-gap: clamp(16px, 2.4dvh, 28px);
  --sc-heading-size: clamp(30px, 3vw, 44px);
  --sc-heading-line-height: 1.25;
  --sc-heading-tracking: -.025em;
  --sc-heading-gap: 10px;
  --sc-heading-width: 42rem;
  --sc-body-size: clamp(16px, 1.25vw, 19px);
  --sc-body-line-height: 1.7;
  --sc-kicker-size: 13px;
  --sc-kicker-tracking: .13em;
  --sc-kicker-gap: 8px;
  --sc-media-aspect: 16 / 9;
  --sc-media-ratio: 1.777777778;
  --sc-standard-aspect: 1280 / 802;
  --sc-standard-ratio: 1.596009975;
  --sc-wide-aspect: 1624 / 802;
  --sc-wide-ratio: 2.024937656;
  --sc-media-reserve: 214px;
  --sc-media-height: calc(100dvh - var(--sc-header-height) - var(--sc-media-reserve));
  --sc-media-radius: 12px;
  --sc-media-border: 1px;
  --sc-media-shadow: 0 14px 44px -20px color-mix(in srgb, var(--sc-ink) 18%, transparent);
  --sc-caption-size: 14px;
  --sc-caption-gap: 10px;
  --sc-caption-line-height: 1.6;
  --sc-nav-gap: 28px;
  --sc-nav-size: 14px;
  --sc-nav-hit-height: 28px;
  --sc-mobile-nav-size: 12px;
  --sc-mobile-nav-hit-height: 28px;
  --sc-tab-hit-size: 28px;
  --sc-tab-dot-size: 5px;
  --sc-tab-gap: 4px;
  --sc-tab-reserve: 120px;
  --sc-tab-border: 1px;
  --sc-tabs-lift: calc(var(--sc-page-gap) + var(--sc-tab-hit-size));
  --sc-focus-ring: 2px;
  --sc-focus-offset: 4px;
  --sc-chapter-side: 20px;
  --sc-chapter-gap: 5px;
  --sc-chapter-dot-size: 4px;
  --sc-chapter-hit-size: 28px;
  --sc-chapter-selected-size: 7px;
  --sc-chapter-bottom: 12px;
  --sc-hero-heading: clamp(34px, 3vw, 44px);
  --sc-hero-lead-width: 34rem;
  --sc-hero-copy-width: 46rem;
  --sc-hero-copy-gap: 22px;
  --sc-hero-actions-gap: 14px;
  --sc-hero-meta-size: 13px;
  --sc-hero-art-width: 640px;
  --sc-end-width: 1060px;
  --sc-end-gap: clamp(28px, 4vw, 56px);
  --sc-end-copy-gap: 18px;
  --sc-end-small-size: 13px;
  --sc-end-subheading-size: 24px;
  --sc-header-mobile-row-gap: 4px;
  --sc-header-border: 1px;
  --sc-chapter-size: 11px;
  --sc-page-height: calc(100dvh - var(--sc-header-height));
  --sc-page-fallback-height: calc(100svh - var(--sc-header-height));
  --sc-slide-fallback-gap: 40px;
  --sc-story-fallback-gap: 28px;
  --sc-caption-button-gap: 12px;
  --sc-caption-button-size: 13px;
  --sc-caption-button-hit: 28px;
  --sc-fullscreen-width: 100vw;
  --sc-fullscreen-height: 100dvh;
  --sc-hero-layout-gap: clamp(32px, 5vw, 76px);
  --sc-end-divider-gap: 24px;
  --sc-ornament-opacity: .24;
  --sc-ornament-width: clamp(150px, 28vw, 480px);
  --sc-ornament-height: min(84%, 680px);
  --sc-ornament-bottom: 0px;
  --sc-ornament-edge: -60px;
  --sc-ornament-mask-size: 100% 100%;
  --sc-ornament-mask-position: center;
  --sc-ornament-mobile-opacity: .18;
  --sc-ornament-mobile-width: 92px;
  --sc-ornament-mobile-height: 350px;
  --sc-ornament-mobile-edge: -30px;
  --sc-full-radius: 999px;
  --sc-header-mobile-padding: 10px;
  --sc-mobile-bottom-reserve: 42px;
  --bg: var(--sc-white);
  --bg-raised: var(--sc-white);
  --ink: var(--sc-ink);
  --ink-strong: var(--sc-ink-strong);
  --ink-soft: var(--sc-ink-soft);
  --ink-faint: var(--sc-ink-faint);
  --gold: var(--sc-gold);
  --line: var(--sc-line);
  --accent: var(--sc-ink-strong);
  --accent-ink: var(--sc-white);
  --accent-soft: var(--sc-gold-soft);
  --link: var(--sc-ink);
  --shadow-shot: var(--sc-media-shadow);
  --footer-bg: var(--sc-white);
  --footer-ink: var(--sc-ink-soft);
  --footer-ink-strong: var(--sc-ink-strong);
  --footer-line: var(--sc-line);
  background: var(--sc-white);
  color: var(--sc-ink);
}

@media (max-width: 860px) {
  body.showcase-site {
    --sc-page-gutter: 32px;
    --sc-page-padding: 24px;
    --sc-heading-size: 32px;
    --sc-media-reserve: 230px;
    --sc-chapter-side: 10px;
    --sc-end-gap: 28px;
    --sc-ornament-width: 180px;
    --sc-ornament-opacity: .2;
  }
}

@media (max-width: 600px) {
  body.showcase-site {
    --sc-header-height: 88px;
    --sc-page-gutter: 20px;
    --sc-page-padding: 24px;
    --sc-page-gap: 18px;
    --sc-heading-size: 28px;
    --sc-heading-width: 100%;
    --sc-heading-gap: 8px;
    --sc-body-size: 16px;
    --sc-kicker-size: 12px;
    --sc-media-reserve: 250px;
    --sc-media-radius: 8px;
    --sc-caption-size: 13px;
    --sc-tab-reserve: 72px;
    --sc-tab-hit-size: 24px;
    --sc-tab-gap: 0px;
    --sc-chapter-hit-size: 24px;
    --sc-chapter-gap: 3px;
    --sc-hero-heading: 36px;
    --sc-hero-copy-gap: 18px;
    --sc-hero-actions-gap: 12px;
    --sc-ornament-width: var(--sc-ornament-mobile-width);
    --sc-ornament-height: var(--sc-ornament-mobile-height);
    --sc-ornament-edge: var(--sc-ornament-mobile-edge);
    --sc-ornament-opacity: var(--sc-ornament-mobile-opacity);
  }
}

/* 2026-10-12 用户授权：竖向功能页、横向真实演示。无脚本时保留自然阅读顺序。 */
body.showcase-site {
  padding-top: var(--sc-header-height);
  overflow-x: clip;
}

body.showcase-site .site-header {
  position: fixed;
  inset: 0 0 auto;
  height: var(--sc-header-height);
  background: var(--sc-white);
  border-bottom: var(--sc-header-border) solid var(--sc-line-soft);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

body.showcase-site .header-inner {
  width: min(calc(100% - var(--sc-page-gutter) * 2), var(--sc-header-width));
  height: 100%;
  min-height: 0;
}

body.showcase-site .site-nav { gap: var(--sc-nav-gap); }
body.showcase-site .site-nav a { display: inline-flex; align-items: center; min-height: var(--sc-nav-hit-height); font-size: var(--sc-nav-size); }
body.showcase-site .reveal { opacity: 1; transform: none; transition: none; }

body.showcase-site .showcase-deck { width: 100%; }

body.showcase-site .showcase-page {
  display: block;
  padding: 0;
  border: 0;
  min-height: var(--sc-page-fallback-height);
  overflow: clip;
  background: var(--sc-white);
  scroll-margin-top: var(--sc-header-height);
}

body.showcase-site .showcase-page-inner {
  width: min(calc(100% - var(--sc-page-gutter) * 2), var(--sc-page-width));
  margin-inline: auto;
  padding-block: var(--sc-page-padding);
}

body.showcase-site .showcase-heading {
  position: relative;
  margin-bottom: var(--sc-page-gap);
  padding-inline-end: var(--sc-tab-reserve);
}

body.showcase-site .showcase-heading h2 {
  max-width: var(--sc-heading-width);
  font-size: var(--sc-heading-size);
  line-height: var(--sc-heading-line-height);
  letter-spacing: var(--sc-heading-tracking);
  text-wrap: balance;
}

body.showcase-site .scene-kicker {
  margin-bottom: var(--sc-kicker-gap);
  color: var(--sc-gold);
  font-size: var(--sc-kicker-size);
  letter-spacing: var(--sc-kicker-tracking);
}

body.showcase-site .scene-lead {
  max-width: var(--sc-heading-width);
  margin: var(--sc-heading-gap) 0 0;
  font-size: var(--sc-body-size);
  line-height: var(--sc-body-line-height);
}

body.showcase-site .showcase-story { position: relative; min-width: 0; }
body.showcase-site .story-track { display: grid; gap: var(--sc-story-fallback-gap); }
body.showcase-site .story-slide { min-width: 0; }
body.showcase-site .story-slide[data-media-shape="standard"] { --sc-media-aspect: var(--sc-standard-aspect); --sc-media-ratio: var(--sc-standard-ratio); }
body.showcase-site .story-slide[data-media-shape="wide"] { --sc-media-aspect: var(--sc-wide-aspect); --sc-media-ratio: var(--sc-wide-ratio); }

body.showcase-site .showcase-media {
  width: min(100%, calc(var(--sc-media-height) * var(--sc-media-ratio)));
  max-width: 100%;
  margin-inline: auto;
  overflow: hidden;
  background: var(--sc-white);
  border: var(--sc-media-border) solid var(--sc-line);
  border-radius: var(--sc-media-radius);
  box-shadow: var(--sc-media-shadow);
}

body.showcase-site .showcase-media :is(video, img) {
  display: block;
  width: 100%;
  height: auto;
  max-height: var(--sc-media-height);
  object-fit: contain;
  background: var(--sc-white);
}

body.showcase-site:not(.showcase-enhanced) video.real-demo:not([src]) { display: none; }

body.showcase-site .story-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sc-caption-gap);
  width: min(100%, calc(var(--sc-media-height) * var(--sc-media-ratio)));
  margin: var(--sc-caption-gap) auto 0;
  font-size: var(--sc-caption-size);
  line-height: var(--sc-caption-line-height);
  color: var(--sc-ink-soft);
}

body.showcase-site .story-name { font-weight: 500; }
body.showcase-site .media-tools { display: flex; gap: var(--sc-caption-button-gap); flex-shrink: 0; }
body.showcase-site .media-tools button { min-height: var(--sc-caption-button-hit); font-size: var(--sc-caption-button-size); color: var(--sc-ink-soft); }
body.showcase-site .media-tools button:hover { color: var(--sc-ink-strong); }

body.showcase-site .story-tabs { display: none; }
body.showcase-site .chapter-nav { display: none; }

body.showcase-site.showcase-enhanced { height: 100dvh; padding: 0; overflow: hidden; }
body.showcase-site.showcase-enhanced .showcase-deck {
  position: fixed;
  inset: var(--sc-header-height) 0 0;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  overscroll-behavior-y: contain;
  scrollbar-width: none;
}

body.showcase-site.showcase-enhanced .showcase-page {
  height: var(--sc-page-height);
  min-height: 0;
  scroll-margin-top: 0;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

body.showcase-site.showcase-enhanced .showcase-page-inner {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
}

body.showcase-site.showcase-enhanced .showcase-story { min-height: 0; }
body.showcase-site.showcase-enhanced .story-track {
  display: flex;
  gap: 0;
  height: 100%;
  min-height: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

body.showcase-site.showcase-enhanced .story-slide {
  display: grid;
  flex: 0 0 100%;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: var(--sc-caption-gap);
  justify-items: center;
  align-items: center;
  padding-inline: var(--sc-media-border);
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

body.showcase-site.showcase-enhanced .story-slide .showcase-media { height: min(100%, var(--sc-media-height)); min-height: 0; }
body.showcase-site.showcase-enhanced .showcase-media :is(video, img) { height: 100%; max-height: 100%; }
body.showcase-site.showcase-enhanced .story-caption { margin-top: 0; }
body.showcase-site .showcase-media:fullscreen { width: var(--sc-fullscreen-width); height: var(--sc-fullscreen-height); max-width: none; border: 0; border-radius: 0; }
body.showcase-site .showcase-media video:fullscreen { width: var(--sc-fullscreen-width); height: var(--sc-fullscreen-height); max-height: none; }

body.showcase-site.showcase-enhanced .story-tabs {
  position: absolute;
  inset-block-start: calc(var(--sc-tabs-lift) * -1);
  inset-inline-end: 0;
  display: flex;
  gap: var(--sc-tab-gap);
  z-index: 1;
}

body.showcase-site .story-tabs button {
  display: grid;
  place-items: center;
  width: var(--sc-tab-hit-size);
  height: var(--sc-tab-hit-size);
  border-radius: var(--sc-full-radius);
}

body.showcase-site .story-tabs button::before {
  content: "";
  width: var(--sc-tab-dot-size);
  height: var(--sc-tab-dot-size);
  border: var(--sc-tab-border) solid var(--sc-gold);
  border-radius: var(--sc-full-radius);
}

body.showcase-site .story-tabs button[aria-selected="true"]::before { background: var(--sc-gold); }
body.showcase-site :is(.story-tabs, .chapter-nav, .media-tools) :is(button, a):focus-visible {
  outline: var(--sc-focus-ring) solid var(--sc-gold);
  outline-offset: var(--sc-focus-offset);
}

body.showcase-site.showcase-enhanced .chapter-nav {
  display: flex;
  position: fixed;
  inset-inline-end: var(--sc-chapter-side);
  inset-block-start: 50%;
  transform: translateY(-50%);
  flex-direction: column;
  gap: var(--sc-chapter-gap);
  z-index: 30;
}

body.showcase-site .chapter-nav button {
  width: var(--sc-chapter-hit-size);
  height: var(--sc-chapter-hit-size);
  border-radius: var(--sc-full-radius);
  font-size: var(--sc-chapter-size);
  color: var(--sc-ink-faint);
  background: var(--sc-white);
}

body.showcase-site .chapter-nav button[aria-current="page"] { color: var(--sc-gold); background: var(--sc-gold-soft); }

body.showcase-site .showcase-page--hero .showcase-page-inner {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
  grid-template-rows: minmax(0, 1fr);
  align-items: center;
  gap: var(--sc-hero-layout-gap);
}

body.showcase-site .showcase-page--hero .hero-inner { width: 100%; max-width: var(--sc-hero-copy-width); text-align: left; }
body.showcase-site .showcase-page--hero h1 { font-size: var(--sc-hero-heading); line-height: var(--sc-heading-line-height); }
body.showcase-site .showcase-page--hero .hero-lead { max-width: var(--sc-hero-lead-width); margin: var(--sc-hero-copy-gap) 0 0; font-size: var(--sc-body-size); }
body.showcase-site .showcase-page--hero .hero-meta { margin-top: var(--sc-hero-copy-gap); font-size: var(--sc-hero-meta-size); }
body.showcase-site .showcase-page--hero .hero-actions { display: flex; flex-wrap: wrap; gap: var(--sc-hero-actions-gap); margin-top: var(--sc-hero-copy-gap); }
body.showcase-site .showcase-page--hero .hero-figure { width: 100%; margin: 0; }

body.showcase-site.showcase-enhanced .showcase-page--download .showcase-page-inner {
  display: block;
  max-width: var(--sc-end-width);
  overflow-y: auto;
  overscroll-behavior-y: contain;
}

body.showcase-site .showcase-page--download :is(.scene-inner, .download-copy) { max-width: 100%; margin: 0; text-align: left; }
body.showcase-site .showcase-page--download .site-footer { margin-top: var(--sc-end-gap); padding: var(--sc-end-divider-gap) 0 0; border-top: var(--sc-header-border) solid var(--sc-line); }
body.showcase-site .showcase-page--download .footer-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--sc-end-gap); }
body.showcase-site .showcase-page--download .footer-contact h2 { font-size: var(--sc-end-subheading-size); }
body.showcase-site .showcase-page--download :is(.footer-bottom, .footer-links) { font-size: var(--sc-end-small-size); }

@media (max-width: 860px) {
  body.showcase-site .showcase-page--hero .showcase-page-inner { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
  body.showcase-site .showcase-page--hero .hero-inner { max-width: none; }
  body.showcase-site .showcase-page--hero .hero-figure { max-width: var(--sc-hero-art-width); margin-inline: auto; }
}

@media (max-width: 600px) {
  body.showcase-site .header-inner { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: 1fr 1fr; gap: var(--sc-header-mobile-row-gap); padding-block: var(--sc-header-mobile-padding); }
  body.showcase-site .site-nav { justify-content: space-between; gap: 0; width: 100%; }
  body.showcase-site .site-nav a { display: inline-flex; align-items: center; min-height: var(--sc-mobile-nav-hit-height); font-size: var(--sc-mobile-nav-size); }
  body.showcase-site.showcase-enhanced .showcase-page-inner { padding-bottom: var(--sc-mobile-bottom-reserve); }
  body.showcase-site .story-caption { flex-wrap: wrap; }
  body.showcase-site.showcase-enhanced .story-slide { grid-template-rows: auto auto; align-content: center; }
  body.showcase-site.showcase-enhanced .story-slide .showcase-media { height: auto; aspect-ratio: var(--sc-media-aspect); }
  body.showcase-site .media-tools { width: 100%; justify-content: flex-end; }
  body.showcase-site.showcase-enhanced .chapter-nav { inset-block-start: auto; inset-block-end: var(--sc-chapter-bottom); flex-direction: row; transform: none; }
  body.showcase-site .showcase-page--download .footer-inner { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  body.showcase-site :is(.showcase-deck, .story-track) { scroll-behavior: auto; }
}

/* 2026-10-12 用户授权：单侧、分功能的静态金线；视频白色展示面完整遮住背后的图案。 */
body.showcase-site .showcase-page {
  position: relative;
  isolation: isolate;
  --sc-ornament-mask: url("./ornaments.svg#ingest");
}

body.showcase-site .showcase-page::before {
  content: "";
  position: absolute;
  inset-inline-start: var(--sc-ornament-edge);
  inset-block-end: var(--sc-ornament-bottom);
  width: var(--sc-ornament-width);
  height: var(--sc-ornament-height);
  background: var(--sc-gold);
  opacity: var(--sc-ornament-opacity);
  pointer-events: none;
  z-index: -1;
  -webkit-mask: var(--sc-ornament-mask) var(--sc-ornament-mask-position) / var(--sc-ornament-mask-size) no-repeat;
  mask: var(--sc-ornament-mask) var(--sc-ornament-mask-position) / var(--sc-ornament-mask-size) no-repeat;
  mask-mode: alpha;
}

body.showcase-site .showcase-page--hero { --sc-ornament-mask: url("./ornaments.svg#hero"); }
body.showcase-site .showcase-page--ingest { --sc-ornament-mask: url("./ornaments.svg#ingest"); }
body.showcase-site .showcase-page--search { --sc-ornament-mask: url("./ornaments.svg#search"); }
body.showcase-site .showcase-page--paper { --sc-ornament-mask: url("./ornaments.svg#paper"); }
body.showcase-site .showcase-page--classroom { --sc-ornament-mask: url("./ornaments.svg#classroom"); }
body.showcase-site .showcase-page--creation { --sc-ornament-mask: url("./ornaments.svg#creation"); }

body.showcase-site .showcase-page--search::before,
body.showcase-site .showcase-page--classroom::before {
  inset-inline-start: auto;
  inset-inline-end: var(--sc-ornament-edge);
  transform: scaleX(-1);
}

body.showcase-site .showcase-page--download::before,
body.showcase-site .showcase-page--end::before { content: none; }

@media print {
  body.showcase-site .showcase-page::before { display: none; }
}

/* Separate layer: published brand/theme assets stay byte-identical. */
body.showcase-site { color-scheme: light; background: #fff; }
body.showcase-site .showcase-heading { padding-inline-end: 0; margin-bottom: 18px; }
body.showcase-site .showcase-heading h2 { max-width: 100%; }
body.showcase-site .story-navigation { display: none; }
body.showcase-site .framework-placeholder {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #fff;
  border: 1px solid #e8dfcf;
  border-radius: 18px;
  box-shadow: 0 18px 50px -30px rgb(92 76 42 / 17%);
}
body.showcase-site .framework-placeholder::before,
body.showcase-site .framework-placeholder::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  pointer-events: none;
  border-color: #d4b97e;
  border-style: solid;
  opacity: .65;
}
body.showcase-site .framework-placeholder::before { inset: 22px auto auto 22px; border-width: 1px 0 0 1px; }
body.showcase-site .framework-placeholder::after { inset: auto 22px 22px auto; border-width: 0 1px 1px 0; }
body.showcase-site .placeholder-content { text-align: center; padding: 24px; }
body.showcase-site .placeholder-icon { display: block; width: 78px; height: 78px; color: #c59a45; margin: 0 auto 12px; }
body.showcase-site .placeholder-title { margin: 0; font-size: clamp(24px, 2.3vw, 34px); font-weight: 500; line-height: 1.4; color: #4f4636; }
body.showcase-site .story-arrow {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border: 1px solid #e8dfcf;
  border-radius: 50%;
  color: #9e7c37;
  background: #fff;
  cursor: pointer;
}
body.showcase-site .story-arrow svg { width: 20px; height: 20px; }
body.showcase-site .story-arrow:hover:not(:disabled) { background: #fbf8f1; border-color: #c59a45; }
body.showcase-site .story-arrow:disabled { opacity: .28; cursor: default; }
body.showcase-site .story-arrow:focus-visible { outline: 2px solid #c59a45; outline-offset: 3px; }
body.showcase-site .framework-hero {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 4 / 3;
  margin: 0;
  color: #d4b97e;
  background: #fff;
}
body.showcase-site .framework-hero > svg { width: 100%; height: 100%; }
body.showcase-site .framework-hero figcaption { position: absolute; top: 42%; text-align: center; color: #4f4636; }
body.showcase-site .framework-hero figcaption span { display: block; font-size: clamp(28px, 3vw, 40px); letter-spacing: .18em; font-weight: 500; }
body.showcase-site .framework-hero figcaption small { display: block; font-size: 13px; margin-top: 14px; color: #9d906d; letter-spacing: .08em; }
body.showcase-site.showcase-enhanced .showcase-story { display: grid; grid-template-rows: 42px minmax(0, 1fr); gap: 14px; }
body.showcase-site.showcase-enhanced .story-navigation { display: flex; align-items: center; justify-content: center; gap: 16px; }
body.showcase-site.showcase-enhanced .story-tabs { position: static; display: flex; gap: 2px; }
body.showcase-site.showcase-enhanced .story-tabs button { width: 34px; height: 42px; }
body.showcase-site .story-tabs button::before { width: 8px; height: 8px; }
body.showcase-site.showcase-enhanced .story-slide { grid-template-rows: minmax(0, 1fr); padding-inline: 1px; }
body.showcase-site.showcase-enhanced .story-slide .framework-placeholder {
  width: min(100%, calc((100dvh - var(--sc-header-height) - 240px) * 1.77778));
  height: auto;
  max-height: 100%;
  margin: 0;
}
body.showcase-site.showcase-enhanced .showcase-deck::-webkit-scrollbar,
body.showcase-site.showcase-enhanced .story-track::-webkit-scrollbar { display: none; }
body.showcase-site:not(.showcase-enhanced) .story-slide + .story-slide { margin-top: 20px; }
@media (max-width: 860px) {
  body.showcase-site .framework-hero { max-height: 100%; width: min(100%, 440px); margin-inline: auto; }
}
@media (max-width: 600px) {
  body.showcase-site .showcase-heading { margin-bottom: 16px; }
  body.showcase-site .showcase-heading h2 { font-size: clamp(24px, 6.5vw, 32px); }
  body.showcase-site .scene-kicker { font-size: 12px; }
  body.showcase-site .story-navigation { gap: 12px; }
  body.showcase-site.showcase-enhanced .story-tabs button { width: 28px; }
  body.showcase-site.showcase-enhanced .story-slide { grid-template-rows: minmax(0, 1fr); align-content: stretch; align-items: start; }
  body.showcase-site.showcase-enhanced .story-slide .framework-placeholder { width: 100%; aspect-ratio: 4 / 3; }
  body.showcase-site .placeholder-icon { width: 60px; height: 60px; }
  body.showcase-site .placeholder-title { font-size: 24px; }
  body.showcase-site.showcase-enhanced .showcase-page-inner { padding-bottom: 24px; }
  body.showcase-site .framework-placeholder { border-radius: 14px; }
  body.showcase-site .framework-placeholder::before { inset: 16px auto auto 16px; width: 22px; height: 22px; }
  body.showcase-site .framework-placeholder::after { inset: auto 16px 16px auto; width: 22px; height: 22px; }
}
@media (max-height: 620px) and (min-width: 861px) {
  body.showcase-site .showcase-heading h2 { font-size: 28px; }
  body.showcase-site .scene-kicker { margin-bottom: 6px; }
  body.showcase-site .placeholder-icon { width: 52px; height: 52px; margin-bottom: 4px; }
  body.showcase-site .placeholder-title { font-size: 24px; }
}

/* Local copy preview. Existing public theme and layout remain unchanged. */
body.showcase-site .hero-brand { color: var(--sc-ink-faint); }
body.showcase-site .hero-meta { color: var(--sc-ink-faint); }
body.showcase-site .showcase-heading .scene-lead { max-width: 76rem; margin-top: 14px; color: var(--sc-ink-soft); font-size: 16px; }
body.showcase-site .placeholder-note { margin: 12px 0 0; color: var(--sc-ink-faint); font-size: 12px; letter-spacing: .04em; }
body.showcase-site.showcase-enhanced .showcase-story { grid-template-rows: 42px minmax(0, 1fr); gap: 12px; }
body.showcase-site.showcase-enhanced .story-tabs { gap: 10px; }
body.showcase-site.showcase-enhanced .story-tabs button { width: auto; min-width: 65px; height: 36px; padding: 0 8px; font-size: 13px; color: var(--sc-ink-soft); border-radius: 0; border-bottom: 1px solid transparent; }
body.showcase-site.showcase-enhanced .story-tabs button::before { display: none; }
body.showcase-site.showcase-enhanced .story-tabs button[aria-selected="true"] { color: #9e7c37; border-bottom-color: var(--sc-gold); }
body.showcase-site.showcase-enhanced .story-slide .framework-placeholder { width: min(100%, calc((100dvh - var(--sc-header-height) - 280px) * 1.77778)); }
body.showcase-site .classroom-body { min-height: 0; display: grid; grid-template-rows: minmax(150px, 1fr) auto; gap: 23px; }
body.showcase-site .classroom-placeholder { width: min(100%, 760px); height: 100%; max-height: 280px; aspect-ratio: auto; margin: 0 auto; }
body.showcase-site .classroom-placeholder .placeholder-icon { width: 54px; height: 54px; margin-bottom: 8px; }
body.showcase-site .classroom-placeholder .placeholder-title { font-size: 26px; }
body.showcase-site .classroom-placeholder .placeholder-note { font-size: 11px; margin-top: 8px; }
body.showcase-site .classroom-functions { width: min(100%, 1050px); margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 19px 35px; }
body.showcase-site .classroom-functions article { border-top: 1px solid var(--sc-line); padding-top: 12px; }
body.showcase-site .classroom-functions h3 { margin: 0; color: var(--sc-ink); font-size: 15px; font-weight: 600; }
body.showcase-site .classroom-functions p { margin: 7px 0 0; color: var(--sc-ink-soft); font-size: 13px; line-height: 1.7; }
body.showcase-site .showcase-page--classroom .showcase-page-inner { overflow-y: auto; }
body.showcase-site .showcase-page--download .showcase-page-inner { padding-top: 80px; }
body.showcase-site .showcase-page--download .download-copy h2 { font-size: var(--sc-heading-size); }
body.showcase-site .showcase-page--download .download-line { margin: 18px 0 25px; font-size: 13px; color: var(--sc-ink-faint); }
body.showcase-site .showcase-page--download .site-footer { background: #fff; color: var(--sc-ink-soft); }
body.showcase-site .showcase-page--download .site-footer h3 { font-size: 22px; color: var(--sc-ink); }
body.showcase-site .showcase-page--download .site-footer p { font-size: 14px; margin-top: 12px; }
body.showcase-site .showcase-page--download .site-footer .contact-note { font-size: 13px; }
body.showcase-site .footer-links { align-items: start; justify-content: end; flex-wrap: wrap; }
body.showcase-site .preview-footer { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--sc-line); margin-top: 28px; padding-top: 20px; color: var(--sc-ink-faint); font-size: 11px; }
body.showcase-site .preview-toast { position: fixed; bottom: 25px; left: 50%; transform: translateX(-50%); z-index: 100; width: max-content; max-width: calc(100% - 32px); padding: 14px 20px; background: var(--sc-ink-strong); color: white; font-size: 13px; line-height: 1.6; border-radius: 8px; box-shadow: 0 8px 25px #17293b18; }
body.showcase-site .preview-toast[hidden] { display: none; }
@media(max-width:860px) {
  body.showcase-site .showcase-heading .scene-lead { font-size: 15px; }
  body.showcase-site .classroom-functions { gap: 15px 22px; }
  body.showcase-site .classroom-functions p { font-size: 12px; }
  body.showcase-site .classroom-placeholder { max-height: 235px; }
}
@media(max-width:600px) {
  body.showcase-site .showcase-heading .scene-lead { font-size: 14px; line-height: 1.8; margin-top: 12px; }
  body.showcase-site.showcase-enhanced .showcase-page--hero .showcase-page-inner { grid-template-rows: auto minmax(0, 1fr); gap: 5px; }
  body.showcase-site .framework-hero { max-width: 340px; }
  body.showcase-site .hero-brand { margin-bottom: 14px; }
  body.showcase-site .hero-lead { font-size: 15px; }
  body.showcase-site .story-navigation { gap: 5px; }
  body.showcase-site.showcase-enhanced .story-tabs { gap: 3px; flex: 1; justify-content: center; }
  body.showcase-site.showcase-enhanced .story-tabs button { font-size: 11px; min-width: 0; padding: 0 5px; }
  body.showcase-site .story-arrow { width: 30px; height: 30px; flex-basis: 30px; }
  body.showcase-site .story-arrow svg { width: 16px; height: 16px; }
  body.showcase-site.showcase-enhanced .story-slide .framework-placeholder { width: 100%; aspect-ratio: 4 / 3; }
  body.showcase-site .classroom-body { grid-template-rows: minmax(140px,1fr) auto; gap: 18px; }
  body.showcase-site .classroom-placeholder { min-height: 140px; max-height: 210px; }
  body.showcase-site .classroom-placeholder .placeholder-content { padding: 15px; }
  body.showcase-site .classroom-placeholder .placeholder-icon { width: 37px; height: 37px; }
  body.showcase-site .classroom-placeholder .placeholder-title { font-size: 22px; }
  body.showcase-site .classroom-functions { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 20px; }
  body.showcase-site .classroom-functions article { padding-top: 9px; }
  body.showcase-site .classroom-functions h3 { font-size: 14px; }
  body.showcase-site .classroom-functions p { font-size: 12px; line-height: 1.7; margin-top: 5px; }
  body.showcase-site .showcase-page--download .showcase-page-inner { padding-top: 35px; }
  body.showcase-site .footer-links { justify-content: start; }
  body.showcase-site .preview-footer { flex-direction: column; font-size: 10px; }
}
@media(max-height:620px) and (min-width:861px) {
  body.showcase-site .classroom-body { grid-template-rows: minmax(90px,1fr) auto; gap: 15px; }
  body.showcase-site .classroom-functions { gap: 12px 30px; }
  body.showcase-site .classroom-functions p { font-size: 12px; }
  body.showcase-site .classroom-functions article { padding-top: 8px; }
  body.showcase-site .classroom-placeholder .placeholder-icon { width: 32px; height: 32px; }
  body.showcase-site .classroom-placeholder .placeholder-title { font-size: 21px; }
}
/* Brand details: cropped geometric lines and consistent small classroom icons. */
body.showcase-site .framework-hero--orbit .hero-orbit-labels { fill: #a0854d; font-size: 10.5px; font-weight: 500; letter-spacing: 1.7px; }
body.showcase-site .framework-hero--orbit .hero-orbit-labels :is(text, textPath) { stroke: none; }
body.showcase-site .framework-hero--orbit figcaption { top: 42%; }
@media(max-width:600px) {
  body.showcase-site .framework-hero--orbit .hero-orbit-labels { font-size: 15px; letter-spacing: 1.4px; }
}
body.showcase-site { --sc-ornament-width: clamp(150px, 24vw, 380px); --sc-ornament-opacity: .2; }
body.showcase-site .showcase-page--search::before,
body.showcase-site .showcase-page--classroom::before { transform: none; }
body.showcase-site .framework-placeholder { border-color: #e9e4da; border-radius: 12px; box-shadow: 0 14px 38px -30px rgb(92 76 42 / 16%); }
body.showcase-site .framework-placeholder::before,
body.showcase-site .framework-placeholder::after { width: 23px; height: 23px; border-color: var(--sc-gold); opacity: .45; }
body.showcase-site .framework-placeholder::before { inset: 20px auto auto 20px; }
body.showcase-site .framework-placeholder::after { inset: auto 20px 20px auto; }
body.showcase-site .classroom-functions article { display: grid; grid-template-columns: 24px minmax(0, 1fr); column-gap: 11px; align-content: start; }
body.showcase-site .classroom-item-icon { grid-column: 1; grid-row: 1 / 3; display: flex; align-items: flex-start; padding-top: 1px; color: var(--sc-gold); }
body.showcase-site .classroom-icon { display: block; width: 22px; height: 22px; flex-shrink: 0; }
body.showcase-site .classroom-functions h3 { grid-column: 2; line-height: 1.5; }
body.showcase-site .classroom-functions p { grid-column: 2; margin-top: 6px; }
@media(max-width:860px) {
  body.showcase-site { --sc-ornament-width: 175px; --sc-ornament-opacity: .16; }
}
@media(max-width:600px) {
  body.showcase-site { --sc-ornament-width: 110px; --sc-ornament-opacity: .15; }
  body.showcase-site .framework-placeholder::before { inset: 15px auto auto 15px; }
  body.showcase-site .framework-placeholder::after { inset: auto 15px 15px auto; }
  body.showcase-site .framework-placeholder::before,
  body.showcase-site .framework-placeholder::after { width: 18px; height: 18px; }
  body.showcase-site .classroom-functions article { grid-template-columns: 21px minmax(0, 1fr); column-gap: 8px; }
  body.showcase-site .classroom-icon { width: 20px; height: 20px; }
}

/* Content-led ending sections and an independent website directory. */
body.showcase-site.flow-preview :is(.showcase-page--download, .showcase-page--creation) {
  display: block;
  position: relative;
  height: auto;
  min-height: 0;
  overflow: visible;
  scroll-margin-top: calc(var(--sc-header-height) + 18px);
  border-top: 1px solid var(--sc-line-soft);
  background: #fff;
}
body.showcase-site.flow-preview :is(.showcase-page--download, .showcase-page--creation) > .showcase-page-inner {
  display: block;
  height: auto;
  min-height: 0;
  overflow: visible;
  padding-block: 100px;
}
body.showcase-site.flow-preview .download-copy { max-width: 720px; }
body.showcase-site.flow-preview .download-copy h2 { margin: 0; line-height: 1.35; }
body.showcase-site.flow-preview .download-copy .scene-lead { max-width: 660px; }
body.showcase-site.flow-preview .download-follow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  margin-left: 25px;
  color: var(--sc-ink-soft);
  font-size: 14px;
  vertical-align: middle;
}
body.showcase-site.flow-preview .creator-arrow { width: 18px; height: 18px; flex: 0 0 18px; }
body.showcase-site.flow-preview .download-follow .creator-arrow { color: var(--sc-gold); }
body.showcase-site.flow-preview .download-follow:hover { color: #9e7c37; }
body.showcase-site.flow-preview .creator-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(30px, 5vw, 72px);
  min-height: 0;
  padding: 0;
}
body.showcase-site.flow-preview .creator-copy h2 {
  margin: 0;
  font-size: var(--sc-heading-size);
  line-height: 1.35;
  letter-spacing: var(--sc-heading-tracking);
}
body.showcase-site.flow-preview .creator-copy .scene-lead {
  margin-top: 20px;
  max-width: 510px;
  font-size: 15px;
  line-height: 1.9;
}
body.showcase-site.flow-preview .creator-entries { display: flex; flex-wrap: wrap; gap: 12px 26px; margin-top: 25px; }
body.showcase-site.flow-preview .creator-entries button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 5px 0;
  border: 0;
  border-bottom: 1px solid #d9c69f;
  border-radius: 0;
  background: transparent;
  color: var(--sc-ink);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}
body.showcase-site.flow-preview .creator-entries .creator-arrow { color: var(--sc-gold); }
body.showcase-site.flow-preview .creator-entries button:hover { color: #9e7c37; border-bottom-color: var(--sc-gold); }
body.showcase-site.flow-preview .creator-entries button:focus-visible { outline: 2px solid var(--sc-gold); outline-offset: 5px; }
body.showcase-site.flow-preview .creator-status { margin-top: 12px; font-size: 12px; line-height: 1.7; color: var(--sc-ink-soft); }
body.showcase-site.flow-preview .creator-placeholder { width: 100%; height: 275px; aspect-ratio: auto; margin: 0; }
body.showcase-site.flow-preview .creator-placeholder-content { width: 100%; padding: 20px 20px 25px; text-align: center; }
body.showcase-site.flow-preview .creator-diagram { display: block; width: min(100%, 327px); height: 140px; margin-inline: auto; color: #bb9953; }
body.showcase-site.flow-preview .creator-diagram-labels { display: flex; justify-content: space-around; width: min(100%, 327px); color: var(--sc-ink-soft); margin: -23px auto 0; padding: 0; font-size: 12px; }
body.showcase-site.flow-preview .creator-placeholder .placeholder-note { margin-top: 26px; font-size: 11px; }

body.showcase-site.flow-preview .directory-footer {
  position: relative;
  height: auto;
  width: 100%;
  padding: 64px 0 25px;
  margin: 0;
  scroll-margin-top: var(--sc-header-height);
  border-top: 1px solid #7d6c48;
  background: #191c20;
  color: #b7bdc5;
}
body.showcase-site.flow-preview .footer-directory,
body.showcase-site.flow-preview .footer-bottom {
  width: min(calc(100% - var(--sc-page-gutter) * 2), var(--sc-page-width));
  margin-inline: auto;
}
body.showcase-site.flow-preview .footer-directory {
  display: grid;
  grid-template-columns: minmax(215px, 1.55fr) repeat(3, minmax(0, 1fr)) minmax(160px, 1.1fr);
  gap: clamp(22px, 3vw, 48px);
  padding-bottom: 43px;
}
body.showcase-site.flow-preview .footer-brand-link { display: inline-flex; align-items: center; gap: 12px; width: fit-content; color: #f7f7f5; font-size: 23px; font-weight: 650; letter-spacing: -.02em; }
body.showcase-site.flow-preview .footer-brand-link img { display: block; width: 30px; height: 30px; object-fit: contain; }
body.showcase-site.flow-preview .footer-brand > p { margin: 18px 0 0; font-size: 12px; line-height: 1.9; }
body.showcase-site.flow-preview .footer-brand > .footer-brand-note { margin-top: 2px; color: #929aa6; }
body.showcase-site.flow-preview .footer-group { display: flex; flex-direction: column; align-items: start; min-width: 0; }
body.showcase-site.flow-preview .footer-group h3 { margin: 1px 0 16px; color: #f0f1f2; font-size: 14px; font-weight: 550; line-height: 1.8; }
body.showcase-site.flow-preview .footer-group :is(a, button) {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 3px 0;
  border: 0;
  background: transparent;
  color: #b7bdc5;
  text-decoration: none;
  font: inherit;
  font-size: 12px;
  line-height: 1.7;
  cursor: pointer;
  text-align: left;
}
body.showcase-site.flow-preview .footer-group :is(a, button):hover,
body.showcase-site.flow-preview .footer-bottom a:hover { color: #e0c58a; }
body.showcase-site.flow-preview .directory-footer :is(a, button):focus-visible { outline: 2px solid #d4b97e; outline-offset: 4px; border-radius: 2px; }
body.showcase-site.flow-preview .footer-preparing { color: #8e98a3; font-size: 10px; white-space: nowrap; }
body.showcase-site.flow-preview .footer-help-note { margin: 9px 0 0; color: #929aa6; font-size: 10px; line-height: 1.9; }
body.showcase-site.flow-preview .footer-company-name { margin: 13px 0 0; max-width: 160px; color: #929aa6; font-size: 10px; line-height: 1.9; }
body.showcase-site.flow-preview .footer-bottom {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 24px;
  padding-top: 22px;
  border-top: 1px solid #363a3f;
  color: #949ca7;
  font-size: 10px;
  line-height: 1.8;
}
body.showcase-site.flow-preview .footer-bottom > span:first-child { margin-right: auto; }
body.showcase-site.flow-preview .footer-bottom a { color: #b7bdc5; padding-block: 3px; }

@media(max-width:1050px) {
  body.showcase-site.flow-preview .creator-copy .scene-lead { font-size: 14px; }
  body.showcase-site.flow-preview .creator-desktop-break { display: none; }
  body.showcase-site.flow-preview .creator-entries { gap: 12px 20px; }
  body.showcase-site.flow-preview .footer-directory { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
  body.showcase-site.flow-preview .footer-brand { grid-column: 1 / -1; }
  body.showcase-site.flow-preview .footer-brand > p { margin-top: 12px; }
  body.showcase-site.flow-preview .footer-brand > .footer-brand-note { margin-top: 0; }
}
@media(max-width:700px) {
  body.showcase-site.flow-preview :is(.showcase-page--download, .showcase-page--creation) > .showcase-page-inner { padding-block: 64px; }
  body.showcase-site.flow-preview .creator-main { display: flex; flex-direction: column; align-items: stretch; gap: 30px; }
  body.showcase-site.flow-preview .creator-copy h2 { font-size: 30px; }
  body.showcase-site.flow-preview .creator-copy .scene-lead { margin-top: 15px; font-size: 14px; line-height: 1.85; }
  body.showcase-site.flow-preview .creator-entries { margin-top: 18px; gap: 12px 24px; }
  body.showcase-site.flow-preview .creator-entries button { min-height: 42px; font-size: 13px; gap: 7px; }
  body.showcase-site.flow-preview .creator-status { margin-top: 10px; font-size: 11px; }
  body.showcase-site.flow-preview .creator-placeholder { height: 215px; min-height: 215px; }
  body.showcase-site.flow-preview .creator-placeholder-content { padding: 10px 15px 15px; }
  body.showcase-site.flow-preview .creator-diagram { width: min(100%, 245px); height: 105px; }
  body.showcase-site.flow-preview .creator-diagram-labels { width: min(100%, 245px); font-size: 11px; margin-top: -15px; }
  body.showcase-site.flow-preview .creator-placeholder .placeholder-note { margin-top: 19px; font-size: 10px; }
  body.showcase-site.flow-preview .directory-footer { padding-top: 44px; padding-bottom: 22px; }
  body.showcase-site.flow-preview .footer-directory { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 29px 25px; padding-bottom: 32px; }
  body.showcase-site.flow-preview .footer-brand-link { font-size: 22px; }
  body.showcase-site.flow-preview .footer-brand > p { font-size: 12px; }
  body.showcase-site.flow-preview .footer-group h3 { margin-bottom: 10px; font-size: 13px; }
  body.showcase-site.flow-preview .footer-group :is(a, button) { min-height: 37px; font-size: 12px; }
  body.showcase-site.flow-preview .footer-help-note { max-width: 155px; }
  body.showcase-site.flow-preview .footer-bottom { align-items: flex-start; gap: 9px 18px; padding-top: 20px; font-size: 10px; }
  body.showcase-site.flow-preview .footer-bottom > span:first-child { width: 100%; }
  body.showcase-site.flow-preview .footer-bottom > span:nth-child(2) { margin-right: auto; }
}
@media(max-width:380px) {
  body.showcase-site.flow-preview .download-follow { display: flex; width: fit-content; margin: 14px 0 0; }
  body.showcase-site.flow-preview .footer-directory { gap: 28px 18px; }
  body.showcase-site.flow-preview .footer-group :is(a, button) { gap: 5px; }
}


/* The existing white/gold theme remains; only flow and transitions change. */
html { scroll-padding-top: 90px; }
body.showcase-site.flow-preview { height: auto; min-height: 100vh; overflow-y: visible; padding-top: var(--sc-header-height); }
body.showcase-site.flow-preview .flow-main { width: 100%; outline: none; }
body.showcase-site.flow-preview .showcase-page { min-height: 0; height: auto; scroll-snap-align: none; scroll-margin-top: calc(var(--sc-header-height) + 16px); }
body.showcase-site.flow-preview .showcase-page-inner { height: auto; }
body.showcase-site.flow-preview .showcase-page--hero .showcase-page-inner { min-height: calc(100svh - var(--sc-header-height)); padding-block: 24px; }
body.showcase-site.flow-preview .feature-stage { position: relative; border-top: 1px solid var(--sc-line-soft); background: #fff; }
body.showcase-site.flow-preview .feature-nav { display: none; }
body.showcase-site.flow-preview .feature-stack > .showcase-page .showcase-page-inner { padding-block: 64px; }
body.showcase-site.flow-preview .showcase-story { display: grid; grid-template-rows: auto auto; gap: 18px; }
body.showcase-site.flow-preview .story-navigation { display: flex; justify-content: center; align-items: center; gap: 16px; }
body.showcase-site.flow-preview .story-tabs { display: flex; position: static; gap: 12px; }
body.showcase-site.flow-preview .story-tabs button { width: auto; min-width: 65px; height: 38px; padding: 0 8px; border-radius: 0; border-bottom: 1px solid transparent; font-size: 13px; color: var(--sc-ink-soft); }
body.showcase-site.flow-preview .story-tabs button::before { display: none; }
body.showcase-site.flow-preview .story-tabs button[aria-selected="true"] { color: #9e7c37; border-bottom-color: var(--sc-gold); }
body.showcase-site.flow-preview .story-track { display: grid; gap: 0; min-width: 0; }
body.showcase-site.flow-preview .story-slide { display: grid; grid-area: 1 / 1; place-items: center; min-width: 0; opacity: 1; transition: opacity 260ms ease; margin: 0; }
body.showcase-site.flow-preview .story-slide[data-active="false"] { opacity: 0; pointer-events: none; }
body.showcase-site.flow-preview .story-slide .framework-placeholder { width: min(100%, 900px); height: auto; aspect-ratio: 16 / 9; margin: 0; }
body.showcase-site.flow-preview .classroom-body { grid-template-rows: auto auto; }
body.showcase-site.flow-preview .classroom-placeholder { height: 280px; }
body.showcase-site.flow-preview .showcase-page--classroom .showcase-page-inner { overflow: visible; }

/* Scrolling selects a panel while the presentation itself remains stationary. */
body.showcase-site.flow-preview.fade-enhanced .feature-stage { height: calc((100svh - var(--sc-header-height)) * 4); }
body.showcase-site.flow-preview.fade-enhanced .feature-stage-sticky { position: sticky; top: var(--sc-header-height); height: calc(100svh - var(--sc-header-height)); display: flex; flex-direction: column; overflow: hidden; }
body.showcase-site.flow-preview.fade-enhanced .feature-nav { display: flex; flex: 0 0 62px; align-items: center; gap: 32px; width: min(calc(100% - var(--sc-page-gutter) * 2), var(--sc-page-width)); margin-inline: auto; border-bottom: 1px solid var(--sc-line); }
body.showcase-site.flow-preview .feature-nav a { display: inline-flex; align-items: center; align-self: stretch; border-bottom: 1px solid transparent; margin-bottom: -1px; font-size: 14px; color: var(--sc-ink-soft); }
body.showcase-site.flow-preview .feature-nav a[aria-current="true"] { color: #9e7c37; border-bottom-color: var(--sc-gold); }
body.showcase-site.flow-preview .feature-nav a:hover { color: #9e7c37; }
body.showcase-site.flow-preview .feature-count { margin-left: auto; color: var(--sc-ink-faint); font-size: 11px; font-variant-numeric: tabular-nums; letter-spacing: .1em; }
body.showcase-site.flow-preview.fade-enhanced .feature-stack { flex: 1; position: relative; min-height: 0; }
body.showcase-site.flow-preview.fade-enhanced .feature-stack > .showcase-page { position: absolute; inset: 0; height: 100%; opacity: 0; pointer-events: none; transition: opacity 300ms ease; }
body.showcase-site.flow-preview.fade-enhanced .feature-stack > .showcase-page[data-active="true"] { opacity: 1; pointer-events: auto; }
body.showcase-site.flow-preview.fade-enhanced .feature-stack > .showcase-page .showcase-page-inner { display: grid; grid-template-rows: auto minmax(0, 1fr); height: 100%; padding-block: 20px 26px; }
body.showcase-site.flow-preview.fade-enhanced .showcase-heading { margin-bottom: 14px; }
body.showcase-site.flow-preview.fade-enhanced .showcase-story { min-height: 0; grid-template-rows: 42px minmax(0, 1fr); gap: 14px; }
body.showcase-site.flow-preview.fade-enhanced .story-track { height: 100%; min-height: 0; }
body.showcase-site.flow-preview.fade-enhanced .story-slide { min-height: 0; }
body.showcase-site.flow-preview.fade-enhanced .story-slide .framework-placeholder { width: min(100%, calc((100svh - var(--sc-header-height) - 280px) * 1.77778)); max-height: 100%; }
body.showcase-site.flow-preview.fade-enhanced .classroom-body { min-height: 0; grid-template-rows: minmax(100px, 1fr) auto; gap: 20px; }
body.showcase-site.flow-preview.fade-enhanced .classroom-placeholder { height: 100%; max-height: 240px; }
body.showcase-site.flow-preview.fade-enhanced .classroom-functions { gap: 16px 35px; }
body.showcase-site.flow-preview :is(.feature-nav a, .site-nav a):focus-visible { outline: 2px solid var(--sc-gold); outline-offset: 4px; }

@media(max-width:860px) {
  body.showcase-site.flow-preview .showcase-page--hero .showcase-page-inner { min-height: 0; padding-block: 52px 32px; gap: 20px; }
  body.showcase-site.flow-preview .feature-stack > .showcase-page { border-bottom: 1px solid var(--sc-line-soft); }
  body.showcase-site.flow-preview .feature-stack > .showcase-page .showcase-page-inner { padding-block: 54px; }
}
@media(max-width:600px) {
  body.showcase-site.flow-preview .showcase-page--hero .showcase-page-inner { padding-block: 36px 22px; gap: 12px; }
  body.showcase-site.flow-preview .showcase-page--hero h1 { font-size: clamp(28px, 7.7vw, 36px); }
  body.showcase-site.flow-preview .hero-figure { max-width: 340px; }
  body.showcase-site.flow-preview .feature-stack > .showcase-page .showcase-page-inner { padding-block: 42px; }
  body.showcase-site.flow-preview .story-navigation { gap: 5px; }
  body.showcase-site.flow-preview .story-tabs { gap: 2px; flex: 1; justify-content: center; }
  body.showcase-site.flow-preview .story-tabs button { font-size: 11px; min-width: 0; padding: 0 5px; }
  body.showcase-site.flow-preview .story-slide .framework-placeholder { aspect-ratio: 4 / 3; }
  body.showcase-site.flow-preview .classroom-body { gap: 24px; }
  body.showcase-site.flow-preview .classroom-placeholder { height: 210px; }
  body.showcase-site.flow-preview .classroom-functions { gap: 18px 20px; }
}
@media(prefers-reduced-motion:reduce) {
  body.showcase-site.flow-preview .story-slide,
  body.showcase-site.flow-preview.fade-enhanced .feature-stack > .showcase-page { transition: none; }
}
@media print {
  body.showcase-site.flow-preview.fade-enhanced .feature-stage { height: auto; }
  body.showcase-site.flow-preview.fade-enhanced .feature-stage-sticky { position: static; height: auto; overflow: visible; }
  body.showcase-site.flow-preview.fade-enhanced .feature-stack > .showcase-page { position: relative; height: auto; opacity: 1; }
}

/* Keep the existing download confirmation and registration links functional. */
body.showcase-site.flow-preview.modal-open { overflow: hidden; }
body.showcase-site.flow-preview .download-line { margin-top: 18px; }
body.showcase-site.flow-preview .download-secondary { display:inline-flex; margin-left:24px; color:var(--sc-ink-soft); font-size:14px; }
body.showcase-site.flow-preview .checksum-fold { max-width:900px; margin-top:28px; }
body.showcase-site.flow-preview .checksum-list dd code { overflow-wrap:anywhere; }
body.showcase-site.flow-preview .footer-compliance { display:flex; align-items:center; flex-wrap:wrap; gap:8px 18px; }
body.showcase-site.flow-preview .footer-compliance a { display:inline-flex; align-items:center; gap:5px; font-size:10px; }
body.showcase-site.flow-preview .footer-compliance img { width:14px; height:14px; flex-shrink:0; }
body.showcase-site.flow-preview .download-note { margin:0 0 22px; font-size:13px; color:var(--sc-ink-soft); }
body.showcase-site.flow-preview .download-line .status-pill { margin-right:10px; }

/* WEBSITE-HOME-ROWS-20261023: approved independent feature rows. */
html { scroll-snap-type: none; scroll-padding-top: 0; scroll-behavior: auto; }
body.rows-preview { --row-gold: #c8a35b; --row-line: #e9e1d3; }
body.rows-preview .feature-rows { border-top: 1px solid #eee7dc; overflow-anchor: none; }
body.rows-preview .feature-row { position: relative; height: auto; overflow: visible; scroll-margin-top: calc(var(--sc-header-height) + 18px); background: #fff; }
body.rows-preview .feature-row + .feature-row::before { content: ""; display: block; width: min(calc(100% - var(--sc-page-gutter) * 2), var(--sc-page-width)); height: 1px; margin-inline: auto; background: #eee8dd; }
body.rows-preview .feature-row-inner { width: min(calc(100% - var(--sc-page-gutter) * 2), var(--sc-page-width)); margin-inline: auto; padding-block: 64px; display: grid; grid-template-columns: minmax(270px, .85fr) minmax(0, 1.45fr); align-items: center; gap: clamp(48px, 6vw, 104px); }
body.rows-preview .feature-copy, body.rows-preview .feature-demo { min-width: 0; }
body.rows-preview .row-kicker { display: flex; align-items: center; gap: 16px; margin: 0 0 18px; color: #ad873f; font-size: 13px; letter-spacing: .08em; }
body.rows-preview .row-kicker > span { font-size: 12px; font-variant-numeric: tabular-nums; color: #baaa8c; letter-spacing: .12em; }
body.rows-preview .feature-copy > h2 { margin: 0; color: #102232; font-size: clamp(32px, 3vw, 42px); line-height: 1.25; letter-spacing: -.035em; font-weight: 650; }
body.rows-preview .row-description { max-width: 370px; margin: 20px 0 32px; color: #6b7c8c; font-size: 16px; line-height: 1.8; }
body.rows-preview .feature-list { display: flex; flex-direction: column; width: 100%; }
body.rows-preview .feature-copy > .feature-list { margin-top: 32px; }
body.rows-preview .feature-item { position: relative; display: grid; grid-template-columns: 22px minmax(0, 1fr) 16px; gap: 13px; align-items: start; width: 100%; min-width: 0; min-height: 66px; padding: 21px 0 20px; border: 0; border-top: 1px solid var(--row-line); border-radius: 0; background: transparent; color: #7c8993; text-align: left; cursor: pointer; -webkit-tap-highlight-color: transparent; }
body.rows-preview .feature-item:last-child { border-bottom: 1px solid var(--row-line); }
body.rows-preview .feature-item-icon { color: #b6a07a; padding-top: 2px; }
body.rows-preview .feature-item-icon svg { display: block; width: 20px; height: 20px; }
body.rows-preview .feature-item-text { display: block; min-width: 0; }
body.rows-preview .feature-item-title { display: block; font-size: 17px; font-weight: 500; line-height: 1.5; }
body.rows-preview .feature-item-description { display: none; max-width: 320px; min-height: 56px; padding-top: 9px; font-size: 13px; line-height: 1.8; font-weight: 400; color: #71808d; }
body.rows-preview .feature-item-arrow { color: #c6b184; margin-top: 4px; opacity: 0; transition: opacity 200ms ease; }
body.rows-preview .feature-item-arrow svg { width: 15px; height: 15px; }
body.rows-preview .feature-item:hover { color: #273e4d; }
body.rows-preview .feature-item[aria-selected="true"] { color: #172d3c; }
body.rows-preview .feature-item[aria-selected="true"] .feature-item-title { font-weight: 650; }
body.rows-preview .feature-item[aria-selected="true"] .feature-item-icon { color: #b18a40; }
body.rows-preview .feature-item[aria-selected="true"] .feature-item-description { display: block; }
body.rows-preview .feature-item[aria-selected="true"] .feature-item-arrow { opacity: 1; }
body.rows-preview .feature-item:focus-visible { outline: 2px solid var(--row-gold); outline-offset: 5px; border-radius: 2px; z-index: 1; }
body.rows-preview .feature-progress { position: absolute; bottom: -1px; left: 0; right: 0; height: 2px; overflow: hidden; z-index: 1; pointer-events: none; }
body.rows-preview .feature-progress > span { display: block; width: 100%; height: 100%; background: var(--row-gold); transform: scaleX(0); transform-origin: left; }
body.rows-preview .feature-item[aria-selected="true"] .feature-progress > span { transform: scaleX(1); }
body.rows-preview.rows-enhanced .feature-item[aria-selected="true"] .feature-progress > span { transform: scaleX(var(--step-progress, 0)); }
body.rows-preview .feature-row--classroom .feature-item { min-height: 50px; padding-block: 12px; }
body.rows-preview .feature-row--classroom .feature-item-description { min-height: 56px; }
body.rows-preview .feature-row--classroom .row-description { margin-bottom: 24px; }
body.rows-preview .feature-demo { align-self: center; }
body.rows-preview .demo-frame { position: relative; width: 100%; padding: 0; border: 1px solid #e6dece; border-radius: 18px; background: #fff; box-shadow: 0 18px 50px -38px rgba(82, 65, 30, .2); overflow: hidden; }
body.rows-preview .demo-frame-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 51px; padding: 0 24px; border-bottom: 1px solid #f0ebe2; }
body.rows-preview .demo-brand { font-size: 11px; font-weight: 550; color: #71808a; letter-spacing: .025em; }
body.rows-preview .demo-heading-divider { display: inline-block; padding-inline: 12px; color: #cab994; font-weight: 400; }
body.rows-preview .demo-step-count { font-size: 10px; color: #aaa28f; letter-spacing: .08em; font-variant-numeric: tabular-nums; }
body.rows-preview .demo-screen { position: relative; display: grid; width: 100%; min-width: 0; aspect-ratio: 10 / 7; background: #fff; isolation: isolate; }
body.rows-preview .demo-screen::before, body.rows-preview .demo-screen::after { content: ""; position: absolute; width: 25px; height: 25px; z-index: 2; pointer-events: none; opacity: .7; }
body.rows-preview .demo-screen::before { top: 23px; left: 23px; border-top: 1px solid #d7bc82; border-left: 1px solid #d7bc82; }
body.rows-preview .demo-screen::after { right: 23px; bottom: 23px; border-bottom: 1px solid #d7bc82; border-right: 1px solid #d7bc82; }
body.rows-preview .demo-panel { display: grid; grid-area: 1 / 1; place-items: center; position: relative; min-width: 0; margin: 0; padding: 50px 30px; color: #b48c43; opacity: 0; pointer-events: none; transition: opacity 320ms ease; }
body.rows-preview .demo-panel[data-active="true"] { opacity: 1; pointer-events: auto; z-index: 1; }
body.rows-preview .demo-placeholder { text-align: center; }
body.rows-preview .demo-icon { display: flex; align-items: center; justify-content: center; width: 90px; height: 90px; margin: 0 auto 25px; }
body.rows-preview .demo-icon svg { display: block; width: 66px; height: 66px; stroke-width: .85; }
body.rows-preview .demo-placeholder > h3 { margin: 0; color: #615c4e; font-size: clamp(21px, 2.1vw, 29px); line-height: 1.5; font-weight: 450; letter-spacing: .025em; }
body.rows-preview .demo-placeholder > p { margin: 14px 0 0; font-size: 12px; color: #a0a7aa; letter-spacing: .06em; }
body.rows-preview .demo-watermark { position: absolute; right: 38px; top: 20px; color: #faf8f3; font-size: clamp(90px, 10vw, 140px); line-height: 1; font-weight: 500; letter-spacing: -.06em; z-index: -1; user-select: none; }
body.rows-preview .demo-frame-bottom { display: flex; align-items: center; justify-content: space-between; gap: 15px; min-height: 44px; padding: 0 24px; border-top: 1px solid #f0ebe2; font-size: 10px; color: #a0a5a7; }
body.rows-preview .demo-current-label { color: #9a8152; }
body.rows-preview .demo-controls { display: flex; align-items: center; justify-content: flex-end; min-height: 48px; gap: 14px; padding: 8px 3px; }
body.rows-preview .demo-hint { font-size: 11px; color: #9a9fa2; }
body.rows-preview .demo-playback { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; padding: 0; border: 1px solid #e9e1d3; border-radius: 50%; background: transparent; color: #b18a40; cursor: pointer; }
body.rows-preview .demo-playback:hover { color: #9e762f; }
body.rows-preview .demo-playback:focus-visible { outline: 2px solid var(--row-gold); outline-offset: 3px; }
body.rows-preview .playback-symbol { display: block; width: 9px; height: 11px; border-left: 2px solid currentColor; border-right: 2px solid currentColor; }
body.rows-preview .demo-playback[data-paused="true"] .playback-symbol { width: 0; height: 0; margin-left: 2px; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid currentColor; border-right: 0; }
body.rows-preview .preview-toast { position: fixed; z-index: 200; bottom: 24px; left: 50%; transform: translateX(-50%); max-width: calc(100% - 36px); padding: 12px 18px; border: 1px solid #dccba7; border-radius: 8px; background: #fff; box-shadow: 0 8px 35px #12202b16; color: #5c6268; font-size: 13px; }
body.rows-preview .preview-toast[hidden] { display: none; }
/* One mission and one brand graphic; the three explanations stay in the footer. */
body.showcase-site.flow-preview.rows-preview .brand-hero > .showcase-page-inner { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); grid-template-rows: auto; gap: 32px; padding-block: 64px; min-height: min(760px, calc(100svh - var(--sc-header-height))); }
body.showcase-site.rows-preview .brand-hero .hero-inner { max-width: 650px; }
body.showcase-site.rows-preview .brand-hero h1.mission-title { display: grid; gap: 12px; margin: 0; color: #314a5b; font-weight: 500; line-height: 1.45; letter-spacing: -.025em; }
body.rows-preview .mission-title > span { display: block; }
body.rows-preview .mission-intro { font-size: clamp(30px, 2.65vw, 40px); }
body.rows-preview .mission-continuation { font-size: clamp(24px, 2.15vw, 32px); color: #536b7b; }
body.rows-preview .mission-emphasis { margin-top: 3px; color: #102232; font-size: clamp(44px, 4.3vw, 62px); font-weight: 650; letter-spacing: -.04em; line-height: 1.25; }
body.rows-preview .brand-keep { white-space: nowrap; }
body.showcase-site.rows-preview .brand-hero .hero-figure { width: 100%; max-width: 620px; justify-self: center; }
body.rows-preview .brand-orbit-values { fill: #a0854d; font-size: 16px; font-weight: 500; letter-spacing: 1.2px; }
body.rows-preview .brand-orbit-values :is(text, textPath) { stroke: none; }
body.rows-preview .brand-orbit-name { fill: #514b3f; stroke: none; font-size: 36px; font-weight: 550; letter-spacing: -.7px; }
body.showcase-site.flow-preview.rows-preview .footer-brand > p { font-size: 14px; line-height: 1.85; }
body.showcase-site.flow-preview.rows-preview .footer-brand > .footer-brand-position { color: #d2d6dc; }
body.showcase-site.flow-preview.rows-preview .footer-brand > .footer-brand-note { margin-top: 6px; color: #b7bdc5; }
@media (max-width: 1000px) and (min-width: 761px) {
  body.showcase-site.flow-preview.rows-preview .brand-hero > .showcase-page-inner { gap: 22px; }
  body.rows-preview .brand-orbit-values { font-size: 20px; }
}
@media (max-width: 760px) {
  body.showcase-site.flow-preview.rows-preview .brand-hero > .showcase-page-inner { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto; gap: 24px; padding-block: 52px 32px; min-height: 0; }
  body.showcase-site.rows-preview .brand-hero .hero-inner { max-width: none; }
  body.showcase-site.rows-preview .brand-hero .hero-figure { max-width: 420px; }
}
@media (max-width: 600px) {
  body.showcase-site.flow-preview.rows-preview .brand-hero > .showcase-page-inner { padding-block: 42px 26px; gap: 24px; }
  body.showcase-site.rows-preview .brand-hero h1.mission-title { gap: 10px; }
  body.rows-preview .mission-intro { font-size: 28px; }
  body.rows-preview .mission-continuation { font-size: 22px; line-height: 1.6; }
  body.rows-preview .mission-emphasis { font-size: 40px; margin-top: 2px; }
  body.showcase-site.rows-preview .brand-hero .hero-figure { max-width: 360px; }
  body.rows-preview .brand-orbit-values { font-size: 20px; letter-spacing: 1px; }
  body.rows-preview .brand-orbit-name { font-size: 38px; }
}
@media (max-width: 1000px) {
  body.rows-preview .feature-row-inner { gap: 42px; grid-template-columns: minmax(255px, .9fr) minmax(0, 1.2fr); padding-block: 72px; }
  body.rows-preview .demo-screen { aspect-ratio: 1 / 1; }
}
@media (max-width: 760px) {
  body.rows-preview .feature-row-inner { grid-template-columns: minmax(0, 1fr); gap: 30px; padding-block: 54px; }
  body.rows-preview .feature-copy > h2 { font-size: 33px; }
  body.rows-preview .feature-copy > .feature-list { margin-top: 24px; }
  body.rows-preview .row-description { max-width: none; font-size: 15px; margin-top: 16px; margin-bottom: 24px; }
  body.rows-preview .row-kicker { margin-bottom: 14px; }
  body.rows-preview .feature-item { min-height: 58px; padding-block: 17px; }
  body.rows-preview .feature-item-title { font-size: 16px; }
  body.rows-preview .feature-item-description { max-width: none; font-size: 12px; }
  body.rows-preview .feature-row--classroom .feature-item { padding-block: 15px; }
  body.rows-preview .demo-screen { aspect-ratio: 1 / 1; }
  body.rows-preview .demo-frame { border-radius: 13px; }
  body.rows-preview .demo-frame-heading { padding-inline: 17px; min-height: 44px; }
  body.rows-preview .demo-frame-bottom { padding-inline: 17px; min-height: 39px; }
  body.rows-preview .demo-icon { margin-bottom: 15px; width: 60px; height: 60px; }
  body.rows-preview .demo-icon svg { width: 49px; height: 49px; }
  body.rows-preview .demo-panel { padding: 40px 22px; }
  body.rows-preview .demo-placeholder > h3 { font-size: 22px; }
  body.rows-preview .demo-placeholder > p { font-size: 10px; margin-top: 10px; }
  body.rows-preview .demo-watermark { font-size: 90px; top: 20px; right: 28px; }
  body.rows-preview .demo-controls { gap: 7px; }
  body.rows-preview .demo-hint { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  body.rows-preview .demo-panel { transition: none; }
}