/* 首页：实拍肉品、免费雪花工具与按吃法选肉。兼容微信，使用 hex/rgba 色值。 */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root { --ink: #232724; --muted: #626964; --green: #294f40; --red: #ac3d3c; --paper: #fff; --soft: #f3f5f3; --line: #dce1dc; --serif: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
  /* 顶栏改成悬浮玻璃胶囊后，多处布局要跟着它的高度走，统一收在这三个变量里：
     --nav-h 顶栏视觉高度（各断点覆盖）、--nav-gap 距屏幕顶的悬浮间隙、--nav-side 左右留白。
     负 margin-bottom、hero 顶部补偿、锚点 scroll-padding 全部由它们推导，改一处即可整体对齐。 */
  --nav-h: 68px; --nav-gap: 12px; --nav-side: clamp(12px, 1.6vw, 24px); }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + var(--nav-gap) + 14px); }
body { background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 15px; line-height: 1.75; -webkit-font-smoothing: antialiased; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.35; }
h2 { font-size: 38px; }
h3 { font-size: 25px; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #b6543e; outline-offset: 5px; }
.shell { width: min(100% - 96px, 1248px); margin-inline: auto; }
.icon-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 20px; height: 20px; flex: 0 0 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
.skip-link { position: fixed; top: 8px; left: 12px; z-index: 100; padding: 8px 16px; background: white; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 12px 24px; border: 1px solid transparent; border-radius: 4px; font-size: 14px; font-weight: 600; transition: transform 160ms ease-out, background 160ms ease-out; }
.btn:active, .menu-toggle:active { transform: scale(.97); }
.btn-red { background: var(--red); color: white; }
.btn-green { background: var(--green); color: white; }
.btn-light { background: white; color: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: 14px; padding-block: 8px; font-size: 14px; font-weight: 600; }
.text-link .icon { transition: transform 160ms ease-out; }
.eyebrow { font-size: 12px; font-weight: 600; }
/* ---- 顶栏：清透玻璃，中段保留照片纹理，边缘负责折射 ----
   白色底膜 + 深墨文字共同保证可读性；SVG 只增强边缘，失效仍保留 CSS 材质。
   材质参数属于视觉调校值，须用整页滚动截图测对比度，不能把某个 opacity 当通用安全线。 */
.home-nav {
  position: sticky;
  top: var(--nav-gap);
  z-index: 30;
  /* 负的 margin-bottom 把 <main> 整体上提，让 hero 大图铺到屏幕最顶、从玻璃底下透出来；
     hero 内部再补回同样高度的 padding-top，正文位置和改造前保持一致。 */
  margin: var(--nav-gap) var(--nav-side) calc(-1 * (var(--nav-h) + var(--nav-gap)));
  border-radius: 999px;
  color: #080e0a;
  background: rgba(255, 255, 255, 0.45);
  -webkit-backdrop-filter: blur(3px) saturate(1.18) brightness(1.12) contrast(0.9);
  backdrop-filter: blur(3px) saturate(1.18) brightness(1.12) contrast(0.9);
  box-shadow:
    0 0 0 1px rgba(35, 39, 36, 0.06),
    inset 0 0 0 1px rgba(255, 255, 255, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    inset 0 -1px 0 rgba(255, 255, 255, 0.22),
    0 4px 16px rgba(14, 24, 19, 0.1);
  transition: background 180ms ease-out;
}
/* 斜向高光：模拟玻璃两端受光，是"厚度感"的主要来源 */
.home-nav::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(110deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0) 18%, rgba(255, 255, 255, 0) 82%, rgba(255, 255, 255, 0.08));
}
/* 折射层：由 home.js 判定浏览器确实吃得下 url() 滤镜后才加 .lens-on。
   blur 保留一点，既压住背景细节保可读，又不把折射纹路糊掉。 */
.home-nav.lens-on {
  -webkit-backdrop-filter: url(#youglass) blur(0.65px) saturate(1.18) brightness(1.12) contrast(0.9);
  backdrop-filter: url(#youglass) blur(0.65px) saturate(1.18) brightness(1.12) contrast(0.9);
}
/* 完全不支持 backdrop-filter 的老 webview：直接给近乎不透明的白底，宁可没玻璃也不能看不清字 */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .home-nav { background: rgba(255, 255, 255, 0.94); }
}
/* 移动端展开菜单时，胶囊变圆角矩形并收浓底色——下拉项是深色字，压在 hero 暗部上必须托住 */
.home-nav.menu-open { border-radius: 24px; background: rgba(255, 255, 255, 0.95); }
.home-nav.menu-open.lens-on {
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  backdrop-filter: blur(18px) saturate(1.3);
}
@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  .home-nav, .home-nav.lens-on { background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; transition: none; }
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--nav-h);
  /* 顶栏已是胶囊，内容改用胶囊自己的内边距，不再套 .shell 的居中窄栏（否则会二次内缩） */
  width: 100%; max-width: none; margin-inline: 0; padding-inline: clamp(16px, 2.4vw, 34px); position: relative; z-index: 1; }
.home-nav .nav-inner { width: 100%; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img { width: 36px; height: 36px; border-radius: 50%; }
.brand > span { font-family: var(--serif); font-size: 21px; font-weight: 700; line-height: 1.2; }
.brand small { display: block; margin-top: 5px; font-family: Arial, sans-serif; font-size: 9px; font-weight: 400; }
.nav-links { display: flex; gap: 26px; align-items: center; font-size: 13px; font-weight: 500; }
.nav-links a { padding-block: 12px; white-space: nowrap; text-underline-offset: 6px; }
.nav-tool { color: inherit; font-weight: 650; display: inline-flex; align-items: center; gap: 7px; }
.nav-tool .icon { width: 17px; height: 17px; flex-basis: 17px; }
.nav-contact { display: inline-flex; align-items: center; gap: 12px; font-size: 12px; font-weight: 600; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; padding: 9px 16px; white-space: nowrap; background: #243e32; color: #fff; }
.menu-toggle { display: none; background: none; border: none; width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer; }
.menu-close-icon { display: none; }
.hero { position: relative; isolation: isolate; color: white; background: #252925; }
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hero-image { object-fit: cover; object-position: center 48%; }
.hero-shade { background: linear-gradient(90deg, rgba(14, 24, 19, .82), rgba(14, 24, 19, .54) 36%, rgba(14, 24, 19, .04) 72%); }
.hero-inner { position: relative; min-height: 500px; display: flex; align-items: center;
  /* 顶部多留出顶栏占掉的高度，抵消 .home-nav 的负 margin-bottom，正文不会被玻璃压住 */
  padding-block: calc(48px + var(--nav-h) + var(--nav-gap)) 48px; }
.hero-copy { max-width: 600px; }
.hero .eyebrow { color: #e2e8e2; margin-bottom: 16px; }
.hero h1 { font-size: 68px; line-height: 1.2; }
.hero-line { font-family: var(--serif); font-size: 30px; margin-top: 18px; }
.hero-description { color: #eef0eb; margin-top: 14px; font-size: 15px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-note { font-size: 12px; color: #e3e8e2; margin-top: 13px; }
.hero-caption { position: absolute; right: 0; bottom: 22px; font-size: 11px; padding: 3px 8px; background: rgba(18, 24, 20, .65); }
.caption-mobile { display: none; }
.section-label { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 12px; color: var(--muted); margin-bottom: 30px; }
.section-label a { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); }
.tool-badge { color: var(--green); }
.marbling { padding: 32px 0 0; }
.tool-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; padding-bottom: 44px; }
.tool-copy h2 { font-size: 40px; }
.tool-copy h2 span { display: block; margin-top: 14px; font-size: 21px; }
.tool-copy > p { margin-top: 18px; color: var(--muted); max-width: 470px; }
.tool-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 22px; margin-top: 24px; }
.tool-copy .privacy-note { font-size: 12px; color: var(--green); margin-top: 12px; }
.tool-copy .tool-boundary { font-size: 11px; line-height: 1.7; margin-top: 14px; max-width: 450px; }
.sample-workbench { min-width: 0; border: 1px solid var(--line); border-radius: 6px; padding: 16px 18px 8px; }
.workbench-head, .workbench-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 11px; color: var(--muted); }
.workbench-head > span:first-child { display: inline-flex; align-items: center; gap: 8px; color: var(--green); font-size: 13px; }
.sample-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-block: 15px 8px; }
.sample { display: block; min-width: 0; border-bottom: 2px solid transparent; padding-bottom: 8px; }
.sample.is-selected { border-color: var(--red); }
.sample img { width: 100%; height: 178px; object-fit: contain; background: #fafbf9; }
.sample > span { display: flex; align-items: center; justify-content: space-between; gap: 4px; margin-top: 10px; }
.sample b { font-size: 13px; font-weight: 500; color: var(--ink); }
.sample small { font-size: 11px; color: var(--muted); }
.workbench-foot { border-top: 1px solid var(--line); padding-top: 6px; }
.workbench-foot a { width: 36px; height: 36px; display: grid; place-items: center; flex-shrink: 0; }
.knowledge-links { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.knowledge-links a { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 22px 28px; }
.knowledge-links a:first-child { padding-left: 0; }
.knowledge-links a:last-child { padding-right: 0; }
.knowledge-links a + a { border-left: 1px solid var(--line); }
.knowledge-links small { display: block; font-size: 11px; color: var(--muted); margin-top: 2px; }
.products, .community, .contact, .faq { padding: 64px 0; }
.products { background: var(--soft); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 32px; }
.section-heading > p { color: var(--muted); font-size: 14px; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.product-image { position: relative; display: block; overflow: hidden; background: #e6eae6; }
.product-image img { aspect-ratio: 4 / 3; width: 100%; height: auto; object-fit: cover; transition: transform 240ms ease-out; }
.product-image > span { position: absolute; top: 14px; left: 14px; background: white; padding: 5px 10px; font-size: 11px; }
.product-image > .icon { position: absolute; bottom: 14px; right: 14px; background: white; width: 34px; height: 34px; padding: 7px; border-radius: 50%; }
.product-category { margin-top: 22px; color: var(--muted); font-size: 11px; }
.product h3 { margin-top: 5px; font-size: 24px; }
.product h3 + p { margin-top: 12px; color: var(--muted); font-size: 14px; }
.product .text-link { margin-top: 10px; }
.product-note { font-size: 11px; color: var(--muted); margin-top: 30px; }
.quality { background: var(--green); color: white; padding: 56px 0; }
.quality .section-label { color: #d0dfd4; }
.quality-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; }
.quality-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 36px; }
.quality-list article { display: flex; gap: 16px; border-top: 1px solid #648373; padding-top: 16px; }
.quality-list article > span { font: 12px Georgia, serif; color: #d0dfd4; padding-top: 4px; }
.quality-list h3 { font: 500 18px/1.4 -apple-system, "PingFang SC", sans-serif; }
.quality-list p { font-size: 13px; margin-top: 10px; color: #d7e3da; }
.story-layout { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: 64px; }
.story-layout figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.story-layout figcaption { font-size: 11px; color: var(--muted); margin-top: 8px; }
.story-layout p { margin-top: 20px; color: var(--muted); font-size: 14px; }
.story-layout .text-link { margin-top: 16px; }
.visit { background: #eef3ef; padding: 40px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.visit-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.visit .eyebrow { color: var(--green); margin-bottom: 10px; }
.visit h2 { font-size: 32px; }
.visit p:not(.eyebrow) { color: var(--muted); font-size: 14px; margin-top: 12px; }
.visit .btn { flex-shrink: 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.contact-channel { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 30px 0; scroll-margin-top: 20px; }
.contact-channel:first-child { padding-right: 36px; border-right: 1px solid var(--line); }
.contact-channel:last-child { padding-left: 36px; }
.contact-channel .eyebrow { color: var(--green); margin-bottom: 8px; }
.contact-channel h3 + p { margin-top: 12px; color: var(--muted); font-size: 13px; }
.contact-channel figure { flex-shrink: 0; width: 160px; text-align: center; }
.contact-channel img { width: 160px; height: 160px; object-fit: contain; }
.contact-channel figcaption { margin-top: 8px; font-size: 11px; color: var(--muted); }
.faq { background: var(--soft); padding-top: 46px; padding-bottom: 46px; }
.faq-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; }
.faq h2 { font-size: 30px; }
.faq details { border-bottom: 1px solid var(--line); padding-block: 18px; }
.faq details:first-child { padding-top: 0; }
.faq summary { list-style: none; cursor: pointer; position: relative; padding-right: 28px; font-size: 15px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 0; }
.faq details[open] summary::after { content: "−"; }
.faq details p { font-size: 13px; color: var(--muted); margin-top: 12px; }
.faq details a { text-decoration: underline; text-underline-offset: 3px; }
.home-footer { background: #202522; color: #fff; padding: 40px 0 20px; }
.footer-main { display: flex; justify-content: space-between; gap: 32px; padding-bottom: 34px; }
.footer-main p { margin-top: 14px; color: #b5c1b9; font-size: 12px; }
.footer-main nav { display: grid; grid-template-columns: repeat(4, auto); gap: 16px 30px; font-size: 12px; }
.footer-legal { border-top: 1px solid #424f47; padding-top: 18px; display: flex; justify-content: space-between; font-size: 11px; color: #b5c1b9; }
.footer-legal .icon { width: 14px; height: 14px; }
.mobile-actions { display: none; }
@media (hover: hover) and (pointer: fine) {
  .btn-red:hover { background: #943230; }
  .btn-green:hover { background: #193b2e; }
  .btn-light:hover { background: #eaf0eb; }
  .text-link:hover .icon { transform: translate(2px, -2px); }
  .nav-links a:hover { text-decoration: underline; text-decoration-thickness: 1px; }
  .nav-contact:hover { background: #182e24; }
  .section-label a:hover, .knowledge-links a:hover { color: var(--red); }
  .product-image:hover img { transform: scale(1.025); }
  .sample:hover { border-bottom-color: var(--red); }
}
@media (min-width: 1700px) { .hero-inner { min-height: 540px; } }
@media (max-width: 1100px) {
  .shell { width: calc(100% - 56px); }
  .nav-inner { gap: 20px; }
  .nav-links { gap: 18px; }
  .nav-contact { display: none; }
  .tool-layout, .quality-layout, .story-layout, .faq-layout { gap: 36px; }
  .sample-grid { gap: 6px; }
  .sample img { height: 154px; }
  .sample > span { flex-direction: column; align-items: flex-start; }
  .contact-channel:first-child { padding-right: 24px; }
  .contact-channel:last-child { padding-left: 24px; }
  .contact-channel figure, .contact-channel img { width: 136px; }
  .contact-channel img { height: 136px; }
}
@media (max-width: 820px) {
  :root { --nav-h: 68px; }
  .nav-inner { min-height: var(--nav-h); flex-wrap: wrap; }
  .nav-links { order: 4; width: 100%; flex-wrap: wrap; gap: 6px 22px; padding-bottom: 14px; }
  /* 下拉面板脱离文档流，开合时不再把 hero 推下去；未启用 JS 时链接仍正常铺开。 */
  .js .nav-links { display: none; position: absolute; top: calc(100% + 10px); left: 0; right: 0;
    padding: 12px; margin: 0; border-radius: 22px; background: rgba(255,255,255,.97);
    border: 1px solid rgba(35,39,36,.08); box-shadow: 0 12px 30px rgba(14,24,19,.14); }
  .js .nav-links.is-open { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; }
  .js .nav-links a { padding: 12px; border-radius: 12px; }
  .js .nav-links .nav-tool { grid-column: 1 / -1; background: #eef3ef; }
  .js .menu-toggle { display: flex; }
  .menu-toggle[aria-expanded="true"] .menu-open-icon { display: none; }
  .menu-toggle[aria-expanded="true"] .menu-close-icon { display: block; }
  .nav-contact { display: inline-flex; margin-left: auto; }
  .tool-layout { grid-template-columns: 1fr; gap: 30px; }
  .tool-copy > p { max-width: 600px; }
  .sample img { height: 196px; }
  .sample > span { flex-direction: row; }
  .product-grid { gap: 18px; }
  .product h3 { font-size: 21px; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 18px; }
  .quality-layout, .story-layout, .faq-layout { grid-template-columns: 1fr; }
  .visit-inner { display: block; }
  .visit .btn { margin-top: 22px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-channel:first-child { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .contact-channel:last-child { padding-left: 0; }
  .footer-main { flex-direction: column; }
  .footer-main nav { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 600px) {
  :root { --nav-h: 64px; --nav-gap: 8px; }
  html { scroll-padding-top: calc(var(--nav-h) + var(--nav-gap) + 10px); }
  body { padding-bottom: calc(62px + env(safe-area-inset-bottom, 0px)); }
  .shell { width: calc(100% - 40px); }
  h2 { font-size: 30px; }
  .nav-inner { min-height: var(--nav-h); gap: 10px; }
  .brand img { width: 34px; height: 34px; }
  .brand > span { font-size: 19px; }
  .brand small { font-size: 8px; margin-top: 3px; }
  .nav-contact { font-size: 11px; gap: 6px; padding: 8px 12px; }
  .menu-toggle { width: 36px; }
  .hero-inner { min-height: 450px; padding-block: calc(36px + var(--nav-h) + var(--nav-gap)) 56px; }
  .hero-image { object-position: center 44%; }
  .hero-shade { background: rgba(12, 23, 17, .53); }
  .hero h1 { font-size: 48px; }
  .hero-line { font-size: 23px; margin-top: 14px; }
  .hero-description { font-size: 13px; margin-top: 12px; }
  .hero-actions { margin-top: 22px; gap: 10px; }
  .hero-actions .btn { padding: 12px 16px; font-size: 13px; }
  .hero-caption { bottom: 16px; font-size: 10px; }
  .caption-desktop { display: none; }
  .caption-mobile { display: inline; }
  .section-label { font-size: 10px; gap: 10px; margin-bottom: 22px; }
  .marbling { padding-top: 24px; }
  .tool-copy h2 { font-size: 32px; }
  .tool-copy h2 span { font-size: 18px; margin-top: 10px; }
  .tool-copy > p { font-size: 13px; margin-top: 14px; }
  .tool-actions { gap: 10px 16px; margin-top: 20px; }
  .tool-actions .btn { padding-inline: 16px; }
  .tool-actions .text-link { font-size: 12px; gap: 6px; }
  .tool-copy .tool-boundary { font-size: 11px; }
  .tool-layout { padding-bottom: 26px; }
  .sample-workbench { padding: 14px 10px 5px; }
  .sample-grid { gap: 8px; }
  .sample img { height: 140px; }
  .sample b { font-size: 11px; }
  .sample small { font-size: 10px; }
  .workbench-foot { font-size: 9px; gap: 2px; }
  .knowledge-links a { padding: 16px 12px; align-items: flex-start; font-size: 12px; }
  .knowledge-links .icon { width: 14px; height: 14px; flex-basis: 14px; margin-top: 3px; }
  .knowledge-links small { font-size: 10px; }
  .products, .community, .contact, .faq, .quality { padding: 38px 0; }
  .section-heading > p { font-size: 13px; }
  .product-grid { grid-template-columns: 1fr; gap: 32px; }
  .product-image img { aspect-ratio: 4 / 3; }
  .product-category { margin-top: 16px; }
  .product h3 { font-size: 25px; }
  .product h3 + p { font-size: 13px; margin-top: 8px; }
  .quality-list { gap: 22px; }
  .quality-list article { gap: 9px; }
  .quality-list h3 { font-size: 16px; }
  .quality-list p { font-size: 12px; }
  .story-layout { gap: 22px; }
  .visit h2 { font-size: 27px; }
  .contact-channel { gap: 14px; }
  .contact-channel h3 { font-size: 23px; }
  .contact-channel h3 + p { font-size: 11px; }
  .contact-channel figure, .contact-channel img { width: 128px; }
  .contact-channel img { height: 128px; }
  .contact-channel figcaption { font-size: 10px; }
  .faq h2 br { display: none; }
  .faq summary { font-size: 14px; }
  .footer-main nav { grid-template-columns: repeat(4, 1fr); gap: 18px 10px; font-size: 11px; }
  .mobile-actions { display: grid; grid-template-columns: 1.15fr .9fr 1fr; position: fixed; z-index: 40; bottom: 0; left: 0; right: 0; border-top: 1px solid var(--line); background: white; padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px)); gap: 8px; }
  .mobile-actions a { min-height: 44px; display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 12px; }
  .mobile-actions a:first-child { background: var(--green); color: white; border-radius: 3px; }
  .mobile-actions .icon { width: 16px; height: 16px; flex-basis: 16px; }
}
@media (max-width: 360px) {
  .shell { width: calc(100% - 32px); }
  .nav-contact { display: none; }
  .menu-toggle { margin-left: auto; }
  .hero-actions .btn { padding-inline: 12px; }
  .hero-line { font-size: 21px; }
  .knowledge-links a { gap: 4px; padding-inline: 8px; }
  .knowledge-links a:first-child { padding-left: 0; }
  .knowledge-links a:last-child { padding-right: 0; }
  .sample > span { flex-direction: column; align-items: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .text-link .icon, .product-image img { transition: none; }
  .btn:active, .menu-toggle:active, .product-image:hover img, .text-link:hover .icon { transform: none; }
}
