:root {
  /* Site roles; the accent is provisional. Product category colors stay separate. */
  --site-text: #202526;
  --site-text-secondary: #687075;
  --site-border: #e5e8e9;
  --site-surface: #fff;
  --site-surface-subtle: #f6f7f8;
  --site-surface-hover: #eef2f1;
  --site-brand: #285a65;
  --site-brand-soft: color-mix(
    in srgb,
    var(--site-brand) 8%,
    var(--site-surface)
  );
  --site-action: #15191a;
  --site-action-hover: #354044;
  --site-on-action: #fff;
  --site-inverse-surface: #101112;
  --site-inverse-text: #f4f4f1;
  --site-inverse-secondary: #a5aaa7;
  --site-inverse-accent: #cfdbc9;
  --site-radius-small: 8px;
  --site-radius-control: 10px;
  --site-radius-panel: 12px;
  --site-radius-stage: 16px;
  --site-shadow-control: 0 1px 4px
    color-mix(in srgb, var(--site-text) 6%, transparent);
  --site-shadow-panel: 0 18px 50px
    color-mix(in srgb, var(--site-text) 5%, transparent);
  --site-shadow-overlay: 0 20px 60px
    color-mix(in srgb, var(--site-text) 18%, transparent);
  --site-heading-size: clamp(28px, 3vw, 40px);
  --site-heading-weight: 550;
  --site-heading-leading: 1.4;
  --site-description-size: 15px;
  --site-description-leading: 1.9;
  --site-heading-gap: 20px;
  --ink: var(--site-text);
  --muted: var(--site-text-secondary);
  --line: var(--site-border);
  --soft: var(--site-surface-subtle);
  --accent: var(--site-brand);
  --control-radius: var(--site-radius-control);
  --paint: url("assets/optimized/landscape-painting.png.webp");
  --lilies: none;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
html {
  scrollbar-gutter: stable;
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
p {
  line-height: 1.85;
}
h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}
h1,
h2 {
  font-weight: 450;
  letter-spacing: -0.045em;
  line-height: 1.4;
}
h3 {
  font-weight: 550;
  line-height: 1.6;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #397fa5;
  outline-offset: 4px;
}
.container {
  width: calc(100% - 96px);
  max-width: 1240px;
  margin-inline: auto;
}
.skip {
  position: absolute;
  left: 15px;
  top: -70px;
  background: white;
  padding: 12px;
  z-index: 200;
}
.skip:focus {
  top: 12px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 38px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 25px;
  font-weight: 650;
  letter-spacing: -1px;
  white-space: nowrap;
}
.brand img {
  display: block;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  flex: 1;
}
.site-header nav a {
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  border-radius: var(--site-radius-small);
  line-height: 1.5;
  white-space: nowrap;
  transition: color 150ms ease;
}
.site-header nav a:hover {
  color: var(--ink);
}
.site-header nav a[aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
}
@media (prefers-reduced-motion: reduce) {
  .site-header nav a {
    transition: none;
  }
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 13px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 44px;
  padding: 12px 22px;
  border: 1px solid var(--site-action);
  background: var(--site-action);
  color: var(--site-on-action);
  border-radius: var(--control-radius);
  font-size: 14px;
  line-height: 1.5;
  white-space: nowrap;
}
.button:hover {
  background: var(--site-action-hover);
  border-color: var(--site-action-hover);
}
.button.small {
  font-size: 13px;
  padding: 10px 16px;
  min-height: 39px;
}
.button.outline {
  background: #fff;
  border-color: #d9dee0;
  color: #40484d;
}
.button.white {
  background: #fff;
  color: #252b2d;
  border-color: #fff;
}
.button.translucent {
  /* 70% dark fill keeps white labels readable even over the lightest artwork. */
  background: color-mix(in srgb, var(--site-action) 70%, transparent);
  border-color: #ffffff70;
  color: #fff;
}
.button.outline:hover,
.button.white:hover {
  background: var(--site-surface-subtle);
  border-color: var(--site-border);
  color: var(--site-text);
}
.button.translucent:hover {
  background: var(--site-action);
  border-color: var(--site-action);
  color: var(--site-on-action);
}
.actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 28px;
}
.category,
.feature-label {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0;
  line-height: 1.7;
}
.category {
  margin-bottom: 20px;
}
.home-hero {
  text-align: center;
  padding-top: 65px;
}
.home-hero h1 {
  font-size: 60px;
  line-height: 1.3;
  font-weight: 450;
  letter-spacing: -0.045em;
}
.lead {
  font-size: 18px;
  line-height: 1.85;
  color: #646d71;
  margin-top: 24px;
}
.hero-stage {
  margin-top: 52px;
  padding: 28px 38px 0;
  background: var(--paint) center 55% / cover;
  border-radius: var(--site-radius-panel);
  overflow: hidden;
}
.view-tabs {
  display: flex;
  justify-content: center;
  gap: 6px;
  width: max-content;
  max-width: 100%;
  margin: 0 auto 22px;
  padding: 5px;
  border: 1px solid #ffffff95;
  border-radius: var(--site-radius-small);
  background: #f8f9f5;
}
.view-tabs button {
  border: 0;
  background: none;
  padding: 9px 22px;
  border-radius: 5px;
  font-size: 13px;
  color: #67706a;
}
.view-tabs button[aria-selected="true"] {
  background: #fff;
  color: #1d2721;
  box-shadow: 0 1px 5px #18271a18;
}
.screenshot {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  text-align: inherit;
  cursor: zoom-in;
}
.screenshot img {
  display: block;
  width: 100%;
  height: auto;
}
.hero-screenshot {
  border-radius: 10px 10px 0 0;
  overflow: hidden;
  border: 1px solid #ffffffb0;
  box-shadow: 0 15px 40px #1e2d242b;
}
.hero-screenshot img {
  aspect-ratio: 1711 / 1044;
  object-fit: cover;
}
.image-caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  padding-top: 14px;
  font-size: 11px;
  color: #7b8284;
  text-align: left;
}
.section {
  padding-top: 112px;
  padding-bottom: 100px;
}
.section-heading {
  margin-bottom: 42px;
}
.section-heading.centered {
  text-align: center;
}
.section-heading h2 {
  font-size: 41px;
}
.section-heading > p,
.section-heading.centered > p:last-child {
  font-size: 15px;
  color: var(--muted);
  margin-top: 17px;
}
.section-heading .category {
  margin-top: 0 !important;
  color: var(--accent) !important;
}
.section-heading.split {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
}
.section-heading.split > p {
  max-width: 490px;
  margin: 0 0 5px;
}
.product-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.product-card {
  background: #f7f8f9;
  border: 1px solid #e9ecee;
  border-radius: var(--site-radius-panel);
  overflow: hidden;
}
.card-copy {
  padding: 30px 30px 28px;
}
.card-copy h3 {
  font-size: 21px;
  margin: 13px 0 10px;
}
.card-copy p {
  font-size: 14px;
  color: var(--muted);
}
.card-copy a,
.notes-card a {
  display: inline-block;
  font-size: 13px;
  margin-top: 18px;
  color: #354f56;
}
.card-copy a span,
.notes-card a span {
  margin-left: 12px;
}
.card-shot {
  margin-left: 28px;
  width: calc(100% - 28px);
  max-height: 330px;
  border: 1px solid #e4e7ea;
  border-right: 0;
  border-bottom: 0;
  border-radius: 8px 0 0 0;
  overflow: hidden;
}
.card-shot img {
  width: 145%;
  max-width: none;
}
.ai-band {
  background: #111a18;
  color: #f4f8f5;
  padding: 92px 0;
}
.ai-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 95px;
}
.ai-heading .category {
  color: #a5bbae;
}
.ai-heading h2 {
  font-size: 43px;
}
.ai-heading > p:not(.category) {
  font-size: 15px;
  color: #b3c0b9;
  max-width: 475px;
  margin-top: 22px;
}
.ai-heading .button {
  margin-top: 30px;
}
.ai-points article {
  display: flex;
  gap: 22px;
  border-top: 1px solid #ffffff24;
  padding: 23px 0;
}
.ai-points article:first-child {
  padding-top: 0;
  border: 0;
}
.ai-points h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.ai-points article p {
  color: #b3c0b9;
  font-size: 14px;
}
.ai-symbol {
  font-size: 26px;
  line-height: 1.3;
  color: #afc8a6;
  width: 26px;
  flex-shrink: 0;
}
.ai-points .footnote {
  color: #8eaaa0;
}
.footnote {
  font-size: 12px;
  color: #7c8588;
  line-height: 1.8;
  margin-top: 22px;
}
.support-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
}
.notes-card {
  position: relative;
  overflow: hidden;
  min-height: 550px;
  border-radius: var(--site-radius-panel);
  background: var(--lilies) center/cover;
  padding: 30px;
}
.notes-card > div:first-child {
  position: relative;
  z-index: 1;
  color: #172d25;
  background: #f5fff0ed;
  border: 1px solid #ffffffb0;
  border-radius: var(--site-radius-small);
  padding: 23px;
}
.notes-card h3 {
  font-size: 21px;
  margin: 12px 0 10px;
}
.notes-card p {
  font-size: 14px;
  max-width: 390px;
  color: #4b6656;
}
.paper {
  position: relative;
  margin: 35px auto -80px;
  max-width: 380px;
  background: #fdfefa;
  padding: 27px 29px 40px;
  border-radius: var(--site-radius-small);
  border: 1px solid #fff;
  box-shadow: 0 10px 30px #243d3120;
  transform: rotate(-3deg);
}
.paper h4 {
  font-size: 20px;
  font-weight: 500;
  margin: 22px 0 16px;
}
.paper > p:first-child {
  font-size: 11px;
}
.paper p,
.paper span {
  font-size: 13px;
  color: #687269;
}
.paper-line {
  height: 1px;
  background: #e4e9de;
  margin: 22px 0;
}
.paper small {
  display: block;
  font-size: 10px;
  color: #8f968b;
  margin-top: 15px;
}
.stats-card {
  border: 1px solid #e6eaed;
  border-radius: var(--site-radius-panel);
  overflow: hidden;
  background: #f7f8f9;
  display: flex;
  flex-direction: column;
}
.stats-crop {
  height: 320px;
  overflow: hidden;
  margin-left: 30px;
  margin-right: 30px;
  position: relative;
}
.stats-crop .screenshot {
  position: absolute;
  width: 450%;
  right: 0;
  top: -18px;
}
.stats-crop img {
  width: 100%;
  height: auto;
}
.essentials {
  padding-bottom: 94px;
}
.essentials > div:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.essentials h2 {
  font-size: 29px;
}
.essentials > div:first-child p {
  color: var(--muted);
  font-size: 14px;
}
.essential-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  margin-top: 30px;
  margin-bottom: 25px;
}
.essential-items h3 {
  font-size: 16px;
  margin-bottom: 10px;
}
.essential-items p {
  font-size: 13px;
  color: var(--muted);
}
.text-link {
  display: inline-block;
  font-size: 14px;
  color: var(--accent);
  line-height: 1.8;
}
.text-link span {
  margin-left: 14px;
}
.closing {
  text-align: center;
  background:
    linear-gradient(#14291740, #14291760),
    var(--paint) center 68% / cover;
  padding: 76px 0;
  color: #fff;
}
.closing h2 {
  font-size: 43px;
}
.closing p {
  font-size: 16px;
  margin: 17px 0 27px;
  color: #f1f6ed;
}
.closing .button + .button {
  margin-left: 10px;
}
.site-footer {
  background: #101513;
  color: #d7e0da;
  padding: 62px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.9fr 1fr 1fr 1fr;
  gap: 50px;
}
.site-footer .brand {
  color: #fff;
}
/* 备案中文名跟在品牌名后，与页脚导航同档（13px）：它是附属标注，不是并列标题。
   颜色取页脚默认 --muted 一档，比 Sortday 的白弱。
   对齐用 flex-end：brand 是 inline-flex，img 底即 Sortday 文字底（差 1px 内），
   贴容器底等于贴 Sortday 文字底；不用 baseline，小字会被 flex 基线算法抬起来。 */
.site-footer .brand .brand-zh {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--muted);
  align-self: flex-end;
}
.site-footer .brand img {
  filter: brightness(0) invert(1);
}
/* 品牌位不做 hover 下划线：它是品牌标识，不是导航链接。 */
.site-footer a.brand:hover {
  text-decoration: none;
}

.footer-grid nav {
  display: flex;
  flex-direction: column;
  gap: 15px;
  font-size: 13px;
}
.footer-grid nav h2 {
  font-size: 12px;
  color: #89998f;
  letter-spacing: 0;
  font-weight: 400;
  margin-bottom: 7px;
}
.site-footer a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.site-footer a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 5px;
  border-radius: 2px;
}
.footer-grid nav a {
  width: fit-content;
  max-width: 100%;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 11px;
  color: #8b9b90;
  border-top: 1px solid #ffffff18;
  margin-top: 55px;
  padding: 25px 0 85px;
}
.menu-toggle {
  display: none;
}
.page-hero {
  padding-top: 70px;
  padding-bottom: 65px;
  text-align: center;
}
.page-hero.left {
  text-align: center;
}
.page-hero h1 {
  font-size: 55px;
}
.jump-links {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.jump-links a {
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: var(--site-radius-small);
  font-size: 13px;
  color: #586367;
}
.feature-section {
  padding-top: 75px;
  padding-bottom: 75px;
}
.feature-section h2 {
  font-size: 36px;
}
.feature-section p {
  color: var(--muted);
  font-size: 15px;
}
.feature-section .category {
  color: var(--accent);
  font-size: 13px;
}
.wide-shot {
  padding: 25px;
  background: #f3f5f4;
  border: 1px solid #e5eae7;
  border-radius: var(--site-radius-control);
  overflow: hidden;
  max-height: 680px;
}
.wide-shot img {
  border: 1px solid #e4e8e6;
  border-radius: var(--site-radius-small);
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 35px;
}
.detail-grid h3 {
  font-size: 19px;
  margin-bottom: 12px;
}
.detail-grid h2 {
  font-size: 27px;
  margin-bottom: 18px;
}
.detail-grid p {
  font-size: 14px;
  color: var(--muted);
}
.detail-grid.six {
  row-gap: 38px;
}
.detail-grid article {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.pale {
  background: #f7f9f8;
}
.editorial-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 85px;
}
.editorial-pair h2 {
  font-size: 29px;
  margin-bottom: 20px;
}
.plain-list {
  margin: 23px 0 0;
  padding-left: 20px;
  color: #58655f;
  font-size: 14px;
  line-height: 2.3;
}
.ai-art {
  border-radius: var(--site-radius-panel);
  background:
    linear-gradient(#16301a18, #16301a35),
    var(--lilies) center/cover;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ai-art span {
  display: block;
  color: white;
  font-size: 37px;
  line-height: 1.65;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 20px #0f241ca0;
}
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}
.faq-layout > div > p:not(.category) {
  margin-top: 23px;
}
.faq details {
  border-top: 1px solid #dfe5e1;
  padding: 22px 0;
}
.faq details:last-child {
  border-bottom: 1px solid #dfe5e1;
}
.faq summary {
  cursor: pointer;
  font-size: 17px;
  line-height: 1.6;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.faq summary::-webkit-details-marker {
  display: none;
}
/* 加减号用两条线段画出，展开收起共用同一个盒子，位置不随字符度量变化。 */
.faq summary:after {
  content: "";
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  background:
    linear-gradient(#8a938c, #8a938c) center / 100% 1.5px no-repeat,
    linear-gradient(#8a938c, #8a938c) center / 1.5px 100% no-repeat;
}
.faq details[open] summary:after {
  background: linear-gradient(#8a938c, #8a938c) center / 100% 1.5px no-repeat;
}
.faq p {
  font-size: 14px;
  line-height: 1.95;
  color: var(--muted);
  margin-top: 16px;
  max-width: 75ch;
}
.access-panel {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 45px;
  align-items: center;
  padding: 45px;
  background: #f6f8f7;
  border: 1px solid var(--line);
  border-radius: var(--site-radius-stage);
  margin-bottom: 50px;
}
.access-panel h2 {
  font-size: 34px;
  margin-top: 20px;
}
.access-panel p {
  font-size: 15px;
  color: var(--muted);
  margin: 18px 0 26px;
}
.access-panel .text-link {
  display: block;
  margin-top: 18px;
  font-size: 12px;
}
.access-art {
  padding: 20px;
  background: var(--paint) center/cover;
  border-radius: var(--site-radius-control);
}
.access-art img {
  border-radius: var(--site-radius-small);
}
.access-notice {
  padding-bottom: 85px;
  max-width: 900px;
}
.access-notice h2 {
  font-size: 24px;
  margin-bottom: 16px;
}
.access-notice p {
  font-size: 14px;
  color: var(--muted);
}
.access-notice a {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  color: var(--accent);
}
.about-landscape {
  height: 300px;
  border-radius: var(--site-radius-panel);
  background: var(--paint) center 65% / cover;
}
.story-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
}
.story-layout p + p {
  margin-top: 20px;
}
.story-layout .text-link {
  margin-top: 20px;
}
.story-layout h2 {
  margin-bottom: 24px;
}
.company-email {
  display: inline-block;
  font-size: 19px;
  text-decoration: underline;
  text-underline-offset: 6px;
  margin-top: 20px;
  overflow-wrap: anywhere;
}
.company-info {
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--site-radius-control);
}
.company-info h3 {
  font-size: 22px;
  margin-bottom: 8px;
}
.company-info > p {
  font-size: 12px;
}
.release-list {
  max-width: 1000px;
  padding-bottom: 80px;
}
.release-list > article {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 55px;
  border-top: 1px solid var(--line);
  padding: 44px 0;
}
.release-meta {
  display: flex;
  flex-direction: column;
  gap: 13px;
  font-size: 16px;
}
.release-meta time {
  font-size: 12px;
  color: var(--muted);
}
.release-list h2 {
  font-size: 29px;
  margin-bottom: 25px;
}
.release-items {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.95;
  color: #5b6567;
}
.release-items li + li {
  margin-top: 14px;
}
.release-items strong {
  font-weight: 550;
  color: #343d40;
}
.release-note {
  font-size: 12px;
  color: #838c8d;
  margin-top: 20px;
}
.release-list > article > div > p:not(.release-note) {
  font-size: 14px;
  color: var(--muted);
}
.help-content {
  max-width: 1000px;
  padding-top: 50px;
  padding-bottom: 75px;
}
.help-section {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 45px;
  padding: 38px 0;
}
.help-section h2 {
  font-size: 26px;
  margin-top: 18px;
}
.help-section .faq details {
  padding: 0;
}
.help-section .faq details[open] {
  padding-bottom: 18px;
}
.help-section .faq summary {
  padding: 18px 0;
}
.help-section .faq summary + p {
  margin-top: 0;
}
.help-contact {
  margin-top: 35px;
  border-top: 1px solid var(--line);
  padding-top: 35px;
}
.help-contact h2 {
  font-size: 26px;
}
.help-contact p {
  margin: 13px 0 20px;
  font-size: 14px;
  color: var(--muted);
}
.plan-table h2 {
  font-size: 28px;
  margin-bottom: 28px;
}
.table-scroll {
  overflow: auto;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
  text-align: left;
}
th {
  font-weight: 500;
  background: #f5f7f7;
}
th,
td {
  padding: 19px 22px;
  border: 1px solid var(--line);
  line-height: 1.8;
}
td a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.image-dialog {
  border: 1px solid var(--line);
  border-radius: var(--site-radius-panel);
  width: min(96vw, 1500px);
  max-width: none;
  max-height: 94vh;
  padding: 20px;
  color: var(--ink);
}
.image-dialog::backdrop {
  background: #15271ed0;
}
.dialog-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 15px;
}
.dialog-heading h2 {
  font-size: 17px;
  letter-spacing: 0;
}
.dialog-heading button {
  border: 1px solid var(--line);
  background: #f3f5f4;
  padding: 9px 14px;
  border-radius: var(--control-radius);
  font-size: 13px;
  white-space: nowrap;
}
.dialog-scroll {
  overflow: auto;
  max-height: 78vh;
  overscroll-behavior: contain;
}
.dialog-scroll img {
  display: block;
  width: 100%;
  min-width: 1000px;
  height: auto;
}
@media (max-width: 1100px) {
  .container {
    width: calc(100% - 56px);
  }
  .header-inner {
    gap: 24px;
  }
  .site-header nav {
    gap: 4px;
    font-size: 12px;
  }
  .header-actions {
    gap: 15px;
  }
  .login {
    display: none;
  }
  .ai-layout {
    gap: 50px;
  }
  .section-heading.split > p {
    max-width: 390px;
  }
  .notes-card {
    padding: 22px;
  }
  .story-layout,
  .faq-layout {
    gap: 50px;
  }
  .access-panel {
    padding: 30px;
  }
}
@media (max-width: 800px) {
  .container {
    width: calc(100% - 36px);
  }
  .header-inner {
    height: auto;
    min-height: 60px;
    gap: 16px;
    flex-wrap: wrap;
    padding: 10px 0;
  }
  .brand {
    font-size: 23px;
  }
  .brand img {
    width: 27px;
    height: 27px;
  }
  .header-actions {
    margin-left: auto;
  }
  .header-actions .button {
    padding: 8px 12px;
    font-size: 11px;
    min-height: 34px;
  }
  .menu-toggle {
    display: block;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--control-radius);
    padding: 8px 10px;
    font-size: 12px;
  }
  .site-header nav {
    display: none;
    order: 4;
    width: 100%;
    flex-basis: 100%;
    padding: 12px 0 3px;
    grid-template-columns: repeat(2, 1fr);
    gap: 9px;
    border-top: 1px solid var(--line);
  }
  .site-header.nav-open nav {
    display: grid;
  }
  .site-header nav a {
    font-size: 13px;
    padding: 10px 5px;
  }
  .home-hero {
    padding-top: 42px;
  }
  .home-hero h1 {
    font-size: clamp(29px, 7.5vw, 48px);
    line-height: 1.45;
  }
  .category {
    font-size: 12px;
    margin-bottom: 16px;
  }
  .lead {
    font-size: 15px;
    line-height: 1.9;
    margin-top: 18px;
  }
  .actions {
    gap: 10px;
    margin-top: 24px;
  }
  .actions .button {
    font-size: 12px;
    padding: 11px 15px;
    gap: 12px;
  }
  .hero-stage {
    margin-top: 32px;
    padding: 15px 12px 0;
    border-radius: var(--site-radius-control);
  }
  .view-tabs {
    gap: 2px;
    margin-bottom: 14px;
    padding: 4px;
  }
  .view-tabs button {
    font-size: 11px;
    padding: 7px 13px;
  }
  .hero-screenshot {
    border-radius: 6px 6px 0 0;
  }
  .image-caption {
    font-size: 10px;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.7;
  }
  .image-caption > span:last-child {
    max-width: 120px;
    text-align: right;
  }
  .section {
    padding-top: 65px;
    padding-bottom: 55px;
  }
  .section-heading {
    margin-bottom: 26px;
  }
  .section-heading h2 {
    font-size: 29px;
    line-height: 1.5;
  }
  .section-heading > p,
  .section-heading.centered > p:last-child {
    font-size: 13px;
  }
  .section-heading.split {
    display: block;
  }
  .section-heading.split > p {
    margin-top: 19px;
    font-size: 14px;
  }
  .product-pair,
  .support-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .card-copy {
    padding: 24px;
  }
  .card-copy h3,
  .notes-card h3 {
    font-size: 19px;
  }
  .card-copy p {
    font-size: 13px;
  }
  .card-shot {
    margin-left: 22px;
    width: calc(100% - 22px);
    max-height: 280px;
  }
  .card-shot img {
    width: 125%;
  }
  .ai-band {
    padding: 55px 0;
  }
  .ai-layout {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .ai-heading h2 {
    font-size: 31px;
  }
  .ai-heading > p:not(.category) {
    font-size: 14px;
  }
  .ai-points article {
    gap: 16px;
    padding: 21px 0;
  }
  .ai-points h3 {
    font-size: 17px;
  }
  .ai-points article p {
    font-size: 13px;
  }
  .notes-card {
    min-height: 500px;
    padding: 23px;
  }
  .notes-card > div:first-child {
    padding: 20px;
  }
  .stats-crop {
    height: 280px;
  }
  .essentials {
    padding-bottom: 55px;
  }
  .essentials > div:first-child {
    display: block;
  }
  .essentials h2 {
    font-size: 25px;
  }
  .essentials > div:first-child p {
    font-size: 13px;
    margin-top: 12px;
  }
  .essential-items {
    grid-template-columns: 1fr 1fr;
    gap: 25px;
  }
  .essential-items h3 {
    font-size: 15px;
  }
  .essential-items p {
    font-size: 12px;
  }
  .closing {
    padding: 55px 0;
  }
  .closing h2 {
    font-size: 29px;
  }
  .closing p {
    font-size: 14px;
  }
  .closing .button {
    padding: 11px 15px;
    font-size: 12px;
  }
  .site-footer {
    padding-top: 38px;
  }
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px 18px;
  }
  .footer-grid > div:first-child {
    grid-column: 1/-1;
  }
  .footer-grid nav {
    gap: 0;
    font-size: 13px;
  }
  .footer-grid nav a {
    display: flex;
    align-items: center;
    min-height: 44px;
  }
  .footer-grid nav h2 {
    font-size: 12px;
    margin-bottom: 10px;
  }
  .footer-bottom {
    font-size: 10px;
    flex-wrap: wrap;
    margin-top: 38px;
    gap: 12px;
    padding-bottom: 86px;
  }
  .page-hero {
    padding-top: 45px;
    padding-bottom: 42px;
  }
  .page-hero h1 {
    font-size: clamp(30px, 7.6vw, 42px);
    line-height: 1.45;
  }
  .page-hero .lead br {
    display: none;
  }
  .jump-links {
    gap: 7px;
    margin-top: 25px;
  }
  .jump-links a {
    font-size: 11px;
    padding: 8px 11px;
  }
  .feature-section {
    padding: 45px 0;
  }
  .feature-section h2 {
    font-size: 28px;
  }
  .feature-section p {
    font-size: 14px;
  }
  .wide-shot {
    padding: 12px;
    max-height: 480px;
  }
  .detail-grid {
    grid-template-columns: 1fr;
    gap: 23px;
    margin-top: 24px;
  }
  .detail-grid h3 {
    font-size: 18px;
  }
  .detail-grid h2 {
    font-size: 24px;
  }
  .detail-grid article {
    padding-top: 20px;
  }
  .detail-grid.six {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }
  .detail-grid.six p {
    font-size: 12px;
  }
  .detail-grid.six h3 {
    font-size: 16px;
  }
  .editorial-pair {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .editorial-pair h2 {
    font-size: 26px;
  }
  .ai-art {
    min-height: 260px;
  }
  .ai-art span {
    font-size: 26px;
  }
  .faq-layout,
  .story-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .faq summary {
    font-size: 16px;
  }
  .faq p {
    font-size: 13px;
  }
  .access-panel {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 28px;
  }
  .access-panel h2 {
    font-size: 29px;
  }
  .access-panel p {
    font-size: 14px;
  }
  .access-panel p br {
    display: none;
  }
  .access-notice {
    padding-bottom: 55px;
  }
  .about-landscape {
    height: 230px;
  }
  .company-info {
    padding: 23px;
  }
  .company-info h3 {
    font-size: 19px;
  }
  .company-email {
    font-size: 18px;
  }
  .release-list > article {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 30px 0;
  }
  .release-meta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    font-size: 14px;
  }
  .release-meta time {
    font-size: 11px;
  }
  .release-list h2 {
    font-size: 26px;
    margin-bottom: 20px;
  }
  .release-items {
    font-size: 13px;
  }
  .help-section {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 25px 0;
  }
  .help-section h2 {
    font-size: 24px;
  }
  .help-content {
    padding-top: 28px;
  }
  .plan-table h2 {
    font-size: 25px;
  }
  table {
    min-width: 620px;
    font-size: 12px;
  }
  th,
  td {
    padding: 14px;
  }
  .image-dialog {
    padding: 13px;
  }
  .dialog-heading h2 {
    font-size: 13px;
  }
  .dialog-heading button {
    font-size: 11px;
    padding: 8px 10px;
  }
}
@media (max-width: 360px) {
  .header-actions {
    display: none;
  }
  .menu-toggle {
    margin-left: auto;
  }
  .hero-stage {
    padding-inline: 8px;
  }
  .view-tabs button {
    padding-inline: 11px;
  }
  .detail-grid.six {
    grid-template-columns: 1fr;
  }
  .company-email {
    font-size: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Center the visible title text; terminal punctuation hangs outside its measure. */
.hero-title-line {
  display: block;
  text-align: center;
}
.hero-punctuation {
  display: inline-block;
  width: 0;
  overflow: visible;
}
.home-hero > .category,
.page-hero > .category,
.download-intro > .category {
  width: fit-content;
  margin-inline: auto;
  text-align: center;
}