/* 若木 · 子页面样式（/video 产品页、/terms 用户协议、/privacy 隐私政策）
   在 /css/style.css 之后引入。只新增 .pg-* / .doc-* 组件，复用首页的设计变量、页头、页脚与按钮，不覆盖首页规则。
   约定同首页：衬线文字只通过 .serif-300 / .serif-500 / .serif-900 使用 —— tools/subset_fonts.py 据此为子页面生成补充字体
   （/css/fonts-pages.css），改了子页面文案请重跑脚本。 */

/* ---------- 子页面通用 ---------- */
/* 无 JS 时：页头始终有底色，避免与正文叠在一起；手机菜单依赖 JS，隐藏后由页脚导航兜底 */
.page:not(.js) .site-header { background: rgba(8, 9, 13, .96); border-bottom-color: var(--line); }
@media (max-width: 860px) { .page:not(.js) .menu-btn, .page:not(.js) .site-nav { display: none; } }

.nocase { text-transform: none; letter-spacing: .06em; }
.page .ft-up { margin-left: auto; }
@media (max-width: 860px) { .page .ft-up { margin-left: 0; } }

/* 唯一的动效：首屏元素载入时淡入上移（纯 CSS，不依赖 JS；减少动效时关闭） */
@media (prefers-reduced-motion: no-preference) {
  .pg-in { animation: pg-in 1s var(--ease) var(--d, 0ms) both; }
}
@keyframes pg-in { from { opacity: 0; transform: translateY(12px); } }

.pg-link, .doc-link {
  color: var(--yue); border-bottom: 1px solid rgba(240, 80, 47, .55);
  transition: color .3s var(--ease), border-color .3s var(--ease);
}
.pg-link:hover, .doc-link:hover { color: var(--chi); border-bottom-color: var(--chi); }

.pg-list { display: grid; gap: 10px; margin-top: 14px; }
.pg-list li { position: relative; padding-left: 20px; color: var(--yue-2); }
.pg-list li::before { content: ""; position: absolute; left: 2px; top: .8em; width: 5px; height: 5px; border-radius: 50%; background: var(--chi); }
/* numbered steps: one marker per step — the counter replaces both the browser's own 「1.」 and the dot */
ol.pg-list { list-style: none; padding-left: 0; counter-reset: pg-ol; }
ol.pg-list > li { counter-increment: pg-ol; padding-left: 24px; }
ol.pg-list > li::before { content: counter(pg-ol) "."; top: 0; left: 0; width: auto; height: auto; border-radius: 0; background: none; color: var(--chi); font-variant-numeric: tabular-nums; }
.pg-list strong, .doc-body strong, .doc-intro strong { font-weight: 600; color: var(--yue); }

/* ---------- 产品页 · 首屏 ---------- */
.pg-hero {
  position: relative; isolation: isolate; overflow: hidden;
  padding: calc(var(--header-h) + clamp(48px, 7vw, 104px)) 0 clamp(72px, 9vw, 128px);
  border-bottom: 1px solid var(--line-soft);
}
/* 右上角一抹落日余晖：呼应首页的黄昏 */
.pg-hero::before {
  content: ""; position: absolute; z-index: -1; top: -34%; right: -20%;
  width: min(1100px, 100vw); aspect-ratio: 1 / 1; border-radius: 50%; pointer-events: none;
  background: radial-gradient(closest-side, rgba(240, 80, 47, .17), rgba(240, 80, 47, .06) 52%, rgba(240, 80, 47, 0) 74%);
}
.pg-hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(40px, 6vw, 104px); align-items: center; }

/* 产品标识：取景框里的「帧」 + 若木文化 · 帧探 */
.pg-mark { display: inline-flex; align-items: center; gap: 16px; margin-bottom: clamp(28px, 3.4vw, 44px); }
.pg-mark-ico { position: relative; display: inline-grid; place-items: center; flex: none; width: 46px; height: 46px; font-size: 23px; line-height: 1; color: var(--yue); }
.pg-mark-ico::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(var(--chi), var(--chi)) left top / 11px 2px no-repeat,
    linear-gradient(var(--chi), var(--chi)) left top / 2px 11px no-repeat,
    linear-gradient(var(--chi), var(--chi)) right top / 11px 2px no-repeat,
    linear-gradient(var(--chi), var(--chi)) right top / 2px 11px no-repeat,
    linear-gradient(var(--chi), var(--chi)) left bottom / 11px 2px no-repeat,
    linear-gradient(var(--chi), var(--chi)) left bottom / 2px 11px no-repeat,
    linear-gradient(var(--chi), var(--chi)) right bottom / 11px 2px no-repeat,
    linear-gradient(var(--chi), var(--chi)) right bottom / 2px 11px no-repeat;
}
.pg-mark-text { display: inline-flex; align-items: baseline; gap: 10px; font-size: 17px; letter-spacing: .14em; }
.pg-mark-text .serif-500 { color: var(--yan); }
.pg-mark-dot { color: var(--chi); }

.pg-title { margin-top: clamp(18px, 2vw, 26px); font-size: clamp(46px, 6.6vw, 104px); line-height: 1.1; letter-spacing: .01em; }
.pg-title .ln { display: block; }
.pg-lede { margin-top: clamp(22px, 2.4vw, 32px); max-width: 31em; font-size: clamp(16px, 1.25vw, 19px); line-height: 1.85; color: var(--yue-2); }
.pg-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: clamp(30px, 3.4vw, 44px); }
/* 「登录（即将开放）」：明确是不可点的状态，而不是一个打不开的按钮 */
.btn-soon, .btn-soon:hover { border: 1px dashed rgba(140, 150, 156, .55); background: transparent; color: var(--yan); cursor: not-allowed; }
.btn-soon:active { transform: none; }

/* 拆解报告示意（纯 HTML/CSS；文字只用产品文案中的术语，不含任何编造的内容） */
.pg-demo { margin: 0; justify-self: end; width: 100%; max-width: 520px; }
.demo {
  padding: clamp(18px, 2vw, 26px); background: var(--panel); border: 1px solid var(--line); border-radius: 4px;
  box-shadow: 0 40px 90px -50px rgba(240, 80, 47, .45);
}
.demo-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 13px; color: var(--yue-2); }
.demo-title { display: inline-flex; align-items: center; gap: 10px; letter-spacing: .12em; }
.demo-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--chi); box-shadow: 0 0 10px rgba(240, 80, 47, .8); }
.demo-tag { padding: 1px 8px; border: 1px solid rgba(76, 201, 174, .45); border-radius: 2px; font-size: 11px; letter-spacing: .12em; color: var(--qing); }
.demo-strip { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; margin: 18px 0 24px; }
.demo-frame {
  position: relative; display: block; aspect-ratio: 9 / 16; border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(231, 236, 238, .08);
  background:
    radial-gradient(circle at var(--x) var(--y), #FFE2B0 0, #FFB25E 4.5%, #F0602F 7.5%, rgba(240, 80, 47, .35) 13%, rgba(240, 80, 47, 0) 30%),
    linear-gradient(180deg, #110D12 0%, #2A1416 46%, #4A1D17 61%, #0B0A0C 62%, #08090D 100%);
}
.demo-frame b { position: absolute; left: 0; right: 0; bottom: -20px; font-size: 9.5px; font-weight: 500; text-align: center; letter-spacing: .04em; color: var(--yan); }
.demo-frame.is-key b { color: var(--jin); }
.demo-frame.is-key::after {
  content: ""; position: absolute; inset: -4px; pointer-events: none;
  background:
    linear-gradient(var(--jin), var(--jin)) left top / 7px 1.5px no-repeat,
    linear-gradient(var(--jin), var(--jin)) left top / 1.5px 7px no-repeat,
    linear-gradient(var(--jin), var(--jin)) right top / 7px 1.5px no-repeat,
    linear-gradient(var(--jin), var(--jin)) right top / 1.5px 7px no-repeat,
    linear-gradient(var(--jin), var(--jin)) left bottom / 7px 1.5px no-repeat,
    linear-gradient(var(--jin), var(--jin)) left bottom / 1.5px 7px no-repeat,
    linear-gradient(var(--jin), var(--jin)) right bottom / 7px 1.5px no-repeat,
    linear-gradient(var(--jin), var(--jin)) right bottom / 1.5px 7px no-repeat;
}
.demo-block { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.demo-label { font-size: 12px; letter-spacing: .14em; color: var(--yan); }
.demo-lines, .demo-checks { display: grid; gap: 9px; margin-top: 10px; }
.demo-lines li { display: grid; grid-template-columns: 42px minmax(0, 1fr); align-items: center; gap: 10px; }
.demo-lines .mono { font-size: 10px; letter-spacing: .04em; color: var(--jin); }
.demo-lines i, .demo-checks i { display: block; width: var(--w); height: 6px; border-radius: 3px; background: rgba(231, 236, 238, .16); }
.demo-bar { display: flex; gap: 4px; height: 26px; margin-top: 10px; }
.demo-bar span { flex: var(--f, 1) 1 0; border-radius: 2px; background: rgba(231, 236, 238, .1); }
.demo-bar .hook { flex: 0 0 auto; display: flex; align-items: center; padding: 0 10px; font-size: 11px; letter-spacing: .06em; white-space: nowrap; color: var(--xuan); background: var(--chi); }
.demo-checks li { display: flex; align-items: center; gap: 10px; }
.demo-checks li::before { content: ""; flex: none; width: 11px; height: 11px; border: 1px solid rgba(76, 201, 174, .7); border-radius: 2px; }
.demo-cap { margin-top: 12px; font-size: 12px; letter-spacing: .12em; text-align: right; color: var(--yan); }

/* ---------- 产品页 · 分区 ---------- */
.pg-sec { padding-block: clamp(80px, 9vw, 136px); border-bottom: 1px solid var(--line-soft); }
.pg-sec--tight { padding-block: clamp(48px, 5vw, 72px); }
.pg-head { max-width: 760px; }
.pg-h2 { margin-top: clamp(16px, 1.8vw, 24px); font-size: clamp(36px, 4.4vw, 64px); line-height: 1.12; letter-spacing: .02em; }
.pg-h2--sm { font-size: clamp(30px, 3.2vw, 44px); }

/* ② 能拆出什么：六张卡片，细线分隔 */
.pg-cards {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px;
  margin-top: clamp(40px, 4.4vw, 64px); background: var(--line-soft); border: 1px solid var(--line-soft);
}
.pg-card { padding: clamp(26px, 2.6vw, 38px) clamp(22px, 2.4vw, 34px) clamp(30px, 3vw, 42px); background: var(--xuan); transition: background-color .5s var(--ease); }
.pg-card:hover { background: var(--card); }
.pg-ico { width: 30px; height: 30px; fill: none; stroke: var(--yan); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.pg-ico .a { stroke: var(--chi); }
.pg-card-title { margin-top: 22px; font-size: clamp(20px, 1.7vw, 24px); line-height: 1.4; letter-spacing: .02em; }
.pg-card p { margin-top: 10px; font-size: 15px; line-height: 1.8; color: var(--yan); }
.pg-note { display: flex; align-items: baseline; gap: 12px; margin-top: 26px; font-size: 15px; color: var(--yue-2); }
.pg-note::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--qing); transform: translateY(-2px); }

/* ③ 怎么用：步骤条（这三步是真实的先后顺序，所以编号） */
.pg-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 3.4vw, 56px); margin: clamp(44px, 4.6vw, 64px) 0 0; padding: 0; list-style: none; }
.pg-step { position: relative; padding-top: 32px; border-top: 1px solid var(--line); }
.pg-step::before { content: ""; position: absolute; left: 0; top: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--chi); box-shadow: 0 0 12px rgba(240, 80, 47, .75); }
.pg-step-no { font-size: 12px; color: var(--yan); }
.pg-step-title { margin-top: 12px; font-size: clamp(26px, 2.4vw, 34px); line-height: 1.3; }
.pg-step > p:last-child { margin-top: 12px; max-width: 22em; color: var(--yue-2); }
.pg-aside { margin-top: clamp(36px, 3.6vw, 52px); font-size: 15px; color: var(--yan); }

/* ④ 为什么用帧探 */
.pg-why { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 3.6vw, 64px); margin-top: clamp(40px, 4.4vw, 60px); }
.pg-why li::before { content: ""; display: block; width: 28px; height: 2px; margin-bottom: 22px; background: var(--chi); }
.pg-why-title { font-size: clamp(22px, 2vw, 28px); line-height: 1.35; letter-spacing: .02em; }
.pg-why p { margin-top: 12px; color: var(--yue-2); }

/* ⑤ 价格 */
.pg-prices {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) minmax(0, 1fr); gap: 1px;
  margin-top: clamp(40px, 4.4vw, 60px); background: var(--line-soft); border: 1px solid var(--line-soft);
}
.pg-plan { display: flex; flex-direction: column; padding: clamp(26px, 2.8vw, 40px); background: var(--xuan); }
.pg-plan--free { grid-row: span 2; background: var(--card); }
.pg-plan-name { font-size: 13px; letter-spacing: .16em; color: var(--yan); }
.pg-free { display: grid; gap: 16px; margin-top: 20px; }
.pg-free li { display: flex; flex-direction: column; gap: 2px; }
.pg-free strong { font-size: 19px; font-weight: 600; letter-spacing: .02em; color: var(--yue); }
.pg-free span { font-size: 14px; color: var(--yan); }
.pg-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; padding-top: 26px; }
.pg-price-num { font-size: clamp(48px, 5vw, 72px); line-height: 1; letter-spacing: -.01em; color: var(--yue); }
.pg-price-unit { font-size: 17px; letter-spacing: .04em; color: var(--yue-2); }
.pg-valid { grid-column: 2 / 4; padding: 16px clamp(26px, 2.8vw, 40px); background: var(--xuan); font-size: 14px; color: var(--yue-2); }
.pg-rules { margin-top: clamp(36px, 3.6vw, 52px); }
.pg-rules-title { font-size: 20px; letter-spacing: .04em; }
.pg-rules .pg-list { max-width: 46em; }
.pg-fine { margin-top: 28px; font-size: 13px; color: var(--yan); }

/* ⑥ 使用须知（合规要求）：用赤色竖线标出，和普通分区区分 */
.pg-notice {
  padding: clamp(28px, 3.4vw, 52px) clamp(24px, 3.4vw, 56px);
  background: var(--card); border: 1px solid var(--line-soft); border-left: 2px solid var(--chi);
}
.pg-list--lg { gap: 14px; margin-top: 24px; }
.pg-list--lg li { font-size: clamp(16px, 1.2vw, 18px); color: var(--yue); }

/* ⑦ 常见问题：原生 <details> */
.pg-faq { max-width: 920px; margin-top: clamp(36px, 4vw, 56px); border-top: 1px solid var(--line); }
.pg-faq details { border-bottom: 1px solid var(--line); }
.pg-faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  min-height: 76px; padding: 20px 2px 20px 0; cursor: pointer; list-style: none;
  font-size: clamp(17px, 1.4vw, 20px); letter-spacing: .02em; color: var(--yue);
}
.pg-faq summary::-webkit-details-marker { display: none; }
.pg-faq summary::after, .doc-toc-m summary::after {
  content: ""; flex: none; width: 14px; height: 14px; color: var(--yan);
  background: linear-gradient(currentColor, currentColor) center / 14px 1.5px no-repeat, linear-gradient(currentColor, currentColor) center / 1.5px 14px no-repeat;
  transition: transform .45s var(--ease), color .3s var(--ease);
}
.pg-faq summary:hover::after { color: var(--yue); }
.pg-faq details[open] > summary::after, .doc-toc-m[open] > summary::after { transform: rotate(45deg); color: var(--chi); }
.pg-faq .ans { max-width: 46em; padding: 0 48px 26px 0; color: var(--yue-2); }

/* ⑧ AI 生成内容说明（小号字，页脚上方） */
.pg-ai { padding-block: clamp(36px, 4vw, 52px); }
.pg-ai-title { font-size: 12px; color: var(--yan); }
.pg-ai p { max-width: 54em; margin-top: 10px; font-size: 13px; line-height: 1.85; color: var(--yan); }

/* ---------- 协议页 ---------- */
.doc { padding: calc(var(--header-h) + clamp(44px, 6vw, 96px)) 0 clamp(80px, 9vw, 136px); }
.doc-head { max-width: calc(228px + clamp(48px, 6vw, 112px) + 760px); padding-bottom: clamp(32px, 3.6vw, 48px); border-bottom: 1px solid var(--line); }
.doc-head > * { max-width: 880px; }
.doc-title { margin-top: clamp(16px, 1.8vw, 24px); font-size: clamp(40px, 5vw, 76px); line-height: 1.12; letter-spacing: .02em; }
.doc-meta { display: flex; flex-wrap: wrap; gap: 8px 36px; margin-top: clamp(22px, 2.4vw, 32px); font-size: 14px; }
.doc-meta div { display: flex; align-items: baseline; gap: 10px; }
.doc-meta dt { color: var(--yan); }
.doc-meta dd { color: var(--yue); }
.doc-meta .mono { font-size: 13px; text-transform: none; letter-spacing: .06em; }
.doc-intro { max-width: 46em; margin-top: 22px; color: var(--yue-2); }

.doc-layout { display: grid; grid-template-columns: 228px minmax(0, 760px); column-gap: clamp(48px, 6vw, 112px); align-items: start; }
.doc-toc { position: sticky; top: calc(var(--header-h) + 24px); max-height: calc(100vh - var(--header-h) - 48px); overflow: auto; padding-top: 40px; }
.doc-toc-title { font-size: 11px; color: var(--yan); }
.doc-toc ol { margin: 14px 0 0; padding: 0; list-style: none; }
.doc-toc a { position: relative; display: flex; gap: 10px; padding: 7px 0 7px 14px; font-size: 14px; line-height: 1.5; color: var(--yan); transition: color .3s var(--ease); }
.doc-toc a .n { flex: none; min-width: 1.6em; font-family: var(--mono); font-size: 12px; line-height: 21px; color: rgba(140, 150, 156, .7); }
.doc-toc a:hover, .doc-toc a[aria-current] { color: var(--yue); }
.doc-toc a[aria-current]::before {
  content: ""; position: absolute; left: 0; top: 50%; width: 5px; height: 5px; margin-top: -2.5px;
  border-radius: 50%; background: var(--chi); box-shadow: 0 0 8px rgba(240, 80, 47, .8);
}
.doc-toc-m { display: none; }

.doc-body { min-width: 0; max-width: 760px; font-size: 16px; line-height: 1.8; color: var(--yue-2); }
.doc-sec { padding-top: 40px; scroll-margin-top: var(--header-h); }
.doc-sec + .doc-sec { margin-top: 44px; border-top: 1px solid var(--line-soft); }
.doc-sec h2 { display: flex; align-items: baseline; gap: 14px; font-size: clamp(21px, 1.8vw, 25px); line-height: 1.45; letter-spacing: .03em; color: var(--yue); }
.doc-sec h2 .no { flex: none; min-width: 1.5em; font-family: var(--mono); font-size: 14px; font-weight: 500; letter-spacing: .06em; color: var(--chi); }
.doc-sec > p { margin-top: 14px; }
.cl { position: relative; padding-left: 3.2em; }
.cl-no { position: absolute; left: 0; top: 0; font-family: var(--mono); font-size: 13px; line-height: 28.8px; letter-spacing: .04em; color: var(--yan); }

.doc-table-wrap { margin-top: 20px; }
.doc-table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.7; }
.doc-table th, .doc-table td { padding: 14px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.doc-table th:first-child, .doc-table td:first-child { padding-left: 0; }
.doc-table th:last-child, .doc-table td:last-child { padding-right: 0; }
.doc-table thead th { padding-block: 10px; font-size: 12.5px; font-weight: 500; letter-spacing: .08em; color: var(--yan); border-bottom-color: rgba(140, 150, 156, .32); }
.doc-table tbody th { width: 6.5em; font-weight: 500; white-space: nowrap; color: var(--yue); }
.doc-callout { margin-top: 22px; padding: 16px 20px; background: var(--card); border-left: 2px solid var(--qing); }

.doc-contact, .doc-parties { margin-top: 18px; border-top: 1px solid var(--line-soft); }
.doc-contact div, .doc-parties div { display: grid; grid-template-columns: 7em minmax(0, 1fr); gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
.doc-parties div { grid-template-columns: 11em minmax(0, 1fr); }
.doc-contact dt, .doc-parties dt { font-weight: 500; color: var(--yue); }
.doc-end { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 14px; color: var(--yan); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .pg-hero-grid { grid-template-columns: minmax(0, 1fr); }
  .pg-demo { justify-self: start; max-width: 560px; }
  .pg-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pg-prices { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pg-plan--free { grid-column: 1 / -1; grid-row: auto; }
  .pg-valid { grid-column: 1 / -1; }

  .doc .wrap { max-width: 760px; }
  .doc-layout { display: block; }
  .doc-toc { display: none; }
  .doc-toc-m { display: block; margin-top: 28px; background: var(--panel); border: 1px solid var(--line); border-radius: 2px; }
  .doc-toc-m summary { display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 0 18px; cursor: pointer; list-style: none; font-size: 15px; letter-spacing: .12em; }
  .doc-toc-m summary::-webkit-details-marker { display: none; }
  .doc-toc-m summary .mono { margin-right: auto; font-size: 11px; color: var(--yan); }
  .doc-toc-m ol { margin: 0; padding: 4px 18px 10px; list-style: none; border-top: 1px solid var(--line-soft); }
  .doc-toc-m a { display: flex; align-items: center; min-height: 44px; font-size: 15px; color: var(--yue-2); border-bottom: 1px solid var(--line-soft); }
  .doc-toc-m li:last-child a { border-bottom: 0; }
}
@media (max-width: 760px) {
  .pg-steps { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .pg-step { padding: 0 0 34px 28px; border-top: 0; border-left: 1px solid var(--line); }
  .pg-step:last-child { padding-bottom: 4px; }
  .pg-step::before { top: 8px; left: -4px; }
  .pg-why { grid-template-columns: minmax(0, 1fr); }
  .pg-faq .ans { padding-right: 0; }

  .cl { padding-left: 2.8em; }
  .doc-table thead { display: none; }
  .doc-table, .doc-table tbody, .doc-table tr, .doc-table th, .doc-table td { display: block; width: auto; }
  .doc-table tr { padding: 16px 0; border-bottom: 1px solid var(--line); }
  .doc-table th, .doc-table td { padding: 3px 0; border: 0; }
  .doc-table tbody th { padding-bottom: 6px; font-size: 16px; }
  .doc-table td + td { margin-top: 8px; }
  .doc-table td::before { content: attr(data-label); display: block; font-size: 12px; letter-spacing: .06em; color: var(--yan); }
  .doc-contact div, .doc-parties div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
}
@media (max-width: 620px) {
  .pg-cards, .pg-prices { grid-template-columns: minmax(0, 1fr); }
  .pg-cta { flex-direction: column; align-items: stretch; }
  .demo-strip { gap: 6px; }
}