/* 尔爱Ai 落地页样式（桌面版 v1.4）：自有配色（深青＋橘），纯原生 CSS，无外部字体 */

/* == 色彩变量 == */
:root {
  --ink: #e6f4f1;
  --ink-soft: #a7c4c0;
  --ink-faint: #6f8f8b;
  --bg: #0b2a30;
  --bg-deep: #071d22;
  --panel: #10363d;
  --panel-2: #154651;
  --line: rgba(167, 196, 192, .18);
  --teal: #5eead4;
  --teal-strong: #14b8a6;
  --orange: #fb923c;
  --orange-ink: #3b1a05;
  --shadow: 0 18px 40px -22px rgba(0, 0, 0, .6);
  --r-lg: 22px;
  --r-md: 14px;
  --r-sm: 9px;
  --font: system-ui, -apple-system, "Segoe UI", "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", sans-serif;
  color-scheme: dark; }
:root[data-theme="light"] {
  --ink: #0d2b30;
  --ink-soft: #3f5f5c;
  --ink-faint: #6b827f;
  --bg: #f6faf8;
  --bg-deep: #e8f1ee;
  --panel: #ffffff;
  --panel-2: #eef6f3;
  --line: rgba(13, 43, 48, .12);
  --teal: #0f766e;
  --teal-strong: #0d9488;
  --orange: #ea580c;
  --orange-ink: #ffffff;
  --shadow: 0 18px 36px -24px rgba(13, 43, 48, .35);
  color-scheme: light; }

/* == 基础 == */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.2; margin: 0; letter-spacing: -.01em; }
p { margin: 0; }
code {
  font-family: ui-monospace, Consolas, monospace;
  font-size: .88em;
  padding: .1em .4em;
  border-radius: 6px;
  background: var(--panel-2);
  word-break: break-all; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; border-radius: 6px; }

.skip {
  position: absolute; left: 12px; top: -60px;
  padding: 8px 14px; border-radius: var(--r-sm);
  background: var(--orange); color: var(--orange-ink); z-index: 100; }
.skip:focus { top: 12px; }

.frame { width: min(1160px, 100% - 40px); margin-inline: auto; }
.frame--narrow { width: min(780px, 100% - 40px); }

/* == 按钮 == */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px;
  border: 1.5px solid transparent;
  border-radius: 999px;
  font: inherit; font-weight: 650; font-size: .96rem;
  text-decoration: none; cursor: pointer;
  transition: transform .18s ease, background-color .18s ease, border-color .18s ease; }
.btn:hover { transform: translateY(-1px); }
.btn--accent { background: var(--orange); color: var(--orange-ink); }
.btn--accent:hover { background: #f97316; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--teal); }
.btn--sm { padding: 7px 14px; font-size: .88rem; }
.btn--lg { padding: 14px 26px; font-size: 1.02rem; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

.icon-btn {
  width: 38px; height: 38px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--line); border-radius: 50%;
  background: transparent; color: var(--ink); cursor: pointer; }
.icon-btn svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }

/* == 导览列 == */
.bar {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease; }
.bar.is-raised { border-bottom-color: var(--line); box-shadow: 0 6px 18px -14px rgba(0, 0, 0, .5); }
.bar__inner { display: flex; align-items: center; gap: 22px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 1.12rem; }
.brand small { display: block; font-size: .68rem; font-weight: 500; color: var(--ink-faint); letter-spacing: .08em; margin-top: -3px; }
.menu { display: flex; gap: 4px; margin-left: auto; }
.menu a {
  padding: 7px 12px; border-radius: 999px;
  text-decoration: none; color: var(--ink-soft); font-size: .93rem; }
.menu a:hover { color: var(--ink); background: var(--panel-2); }
.bar__actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle { display: none; }

/* == Hero == */
.hero {
  position: relative;
  padding: 84px 0 96px;
  background:
    radial-gradient(600px 320px at 85% 10%, color-mix(in srgb, var(--teal-strong) 22%, transparent), transparent 70%),
    radial-gradient(460px 260px at 0% 78%, color-mix(in srgb, var(--orange) 14%, transparent), transparent 70%); }
.hero__grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel);
  font-size: .84rem; color: var(--ink-soft); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px color-mix(in srgb, var(--teal) 25%, transparent); }
.hero h1 { margin-top: 20px; font-size: clamp(2.1rem, 5.2vw, 3.6rem); font-weight: 850; }
.hero h1 em { font-style: normal; color: var(--teal); }
.lead { margin-top: 18px; font-size: 1.08rem; color: var(--ink-soft); max-width: 36em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.note { margin-top: 14px; font-size: .86rem; color: var(--ink-faint); }
.pillars { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 22px; margin: 34px 0 0; padding: 0; }
.pillars li { display: flex; flex-direction: column; gap: 2px; padding-top: 12px; border-top: 1px solid var(--line); }
.pillars b { font-size: 1rem; color: var(--ink); }
.pillars b::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 2px; transform: rotate(45deg) translateY(-2px); background: var(--orange); }
.pillars span { font-size: .88rem; color: var(--ink-soft); }

.hero__art {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 460px; width: 100%; justify-self: center;
  display: grid; place-items: center;
  overflow: hidden; /* 旋转中的圆环外框不可撑出版面 */ }
.hero__art img { position: relative; z-index: 1; width: 92%; }
.orbit { position: absolute; inset: 0; }
.orbit span {
  position: absolute; inset: 0; margin: auto;
  border-radius: 50%; border: 1.5px dashed var(--line);
  animation: spin 40s linear infinite; }
.orbit span:nth-child(1) { width: 100%; height: 100%; }
.orbit span:nth-child(2) { width: 74%; height: 74%; animation-direction: reverse; animation-duration: 30s; border-color: color-mix(in srgb, var(--teal) 35%, transparent); }
.orbit span:nth-child(3) { width: 48%; height: 48%; animation-duration: 22s; border-style: solid; border-color: color-mix(in srgb, var(--orange) 30%, transparent); }
@keyframes spin { to { transform: rotate(360deg); } }

/* == 通用区段 == */
.section { padding: 92px 0; }
.section--tint { background: var(--bg-deep); }
.section__head { text-align: center; max-width: 680px; margin: 0 auto 44px; }
.kicker { font-size: .8rem; font-weight: 700; letter-spacing: .16em; color: var(--orange); }
.section__head h2 { text-wrap: balance; margin-top: 10px; font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 800; }
.section__head p:not(.kicker) { margin-top: 12px; color: var(--ink-soft); text-wrap: pretty; }

/* == 流程演示 == */
.stage { display: grid; grid-template-columns: 220px 1fr; gap: 22px; align-items: start; }
.rail { display: flex; flex-direction: column; gap: 10px; }
.rail button {
  display: flex; align-items: center; gap: 12px;
  width: 100%; padding: 14px 16px;
  border: 1px solid var(--line); border-radius: var(--r-md);
  background: var(--panel); color: var(--ink-soft);
  font: inherit; font-weight: 600; text-align: left; cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease; }
.rail button b { font-size: .78rem; color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.rail button[aria-selected="true"] { color: var(--ink); border-color: var(--teal); background: var(--panel-2); }
.rail button[aria-selected="true"] b { color: var(--orange); }

.screen {
  min-width: 0;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--panel); box-shadow: var(--shadow);
  overflow: hidden; }
.screen__top {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 16px; border-bottom: 1px solid var(--line);
  background: var(--panel-2); }
.lights { display: inline-flex; gap: 6px; }
.lights i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.lights i:first-child { background: var(--orange); }
.screen__title { flex: 1; min-width: 0; font-size: .84rem; color: var(--ink-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chip {
  padding: 4px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: transparent; color: var(--ink);
  font: inherit; font-size: .8rem; cursor: pointer; }
.pane { display: none; padding: 26px; min-height: 340px; }
.pane.is-on { display: block; animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* 步骤 1 */
.field > span { display: block; font-size: .8rem; color: var(--ink-faint); margin-bottom: 6px; }
.fake-input {
  display: flex; align-items: center; min-height: 44px;
  padding: 10px 14px; border-radius: var(--r-sm);
  border: 1px solid var(--line); background: var(--bg);
  font-family: ui-monospace, Consolas, monospace; font-size: .86rem;
  overflow: hidden; word-break: break-all; }
.caret { width: 2px; height: 18px; margin-left: 2px; background: var(--teal); animation: blink 1s steps(1) infinite; flex: none; }
@keyframes blink { 50% { opacity: 0; } }
.src-card { display: grid; grid-template-columns: 160px 1fr; gap: 20px; margin-top: 20px; align-items: center; }
.src-card img { border-radius: var(--r-md); }
.src-card dl { margin: 0; display: grid; gap: 8px; }
.src-card dl > div {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 8px 12px; border-radius: var(--r-sm); background: var(--panel-2);
  opacity: .25; transform: translateX(8px);
  transition: opacity .3s ease, transform .3s ease; }
.src-card dl > div.is-in { opacity: 1; transform: none; }
.src-card dt { color: var(--ink-faint); font-size: .86rem; }
.src-card dd { margin: 0; font-weight: 600; text-align: right; }
.meter { height: 6px; margin-top: 22px; border-radius: 999px; background: var(--panel-2); overflow: hidden; }
.meter span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--teal-strong), var(--teal)); transition: width .12s linear; }
.status { margin-top: 10px; font-size: .86rem; color: var(--ink-soft); }

/* 步骤 2 */
.gen { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; }
.gen__imgs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; align-content: start; }
.gen__imgs figure { margin: 0; opacity: 0; transform: scale(.92); transition: opacity .4s ease, transform .4s ease; }
.gen__imgs figure.is-in { opacity: 1; transform: none; }
.gen__imgs img { width: 100%; border-radius: var(--r-sm); border: 1px solid var(--line); }
.gen__imgs figcaption { margin-top: 6px; font-size: .78rem; text-align: center; color: var(--ink-faint); }
.tag { font-size: .74rem; font-weight: 700; letter-spacing: .1em; color: var(--orange); }
.tag + * { margin-top: 6px; }
.ru { min-height: 3.2em; font-weight: 650; margin-bottom: 16px; }
.ru-list { margin: 6px 0 0; padding-left: 1.1em; color: var(--ink-soft); font-size: .93rem; }
.ru-list li { animation: fade .3s ease; }

/* 步骤 3 */
.check { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.ozon-card {
  display: grid; grid-template-columns: 120px 1fr; gap: 14px;
  padding: 14px; border-radius: var(--r-md);
  background: var(--bg); border: 1px solid var(--line); }
.ozon-card img { border-radius: var(--r-sm); }
.ozon-card__store { font-size: .76rem; color: var(--teal); font-weight: 700; }
.ozon-card__name { margin-top: 4px; font-size: .92rem; }
.ozon-card__price { margin-top: 8px; display: flex; gap: 8px; align-items: baseline; }
.ozon-card__price b { font-size: 1.2rem; color: var(--orange); }
.ozon-card__price s { font-size: .82rem; color: var(--ink-faint); }
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.checklist li {
  position: relative; padding: 9px 12px 9px 38px;
  border-radius: var(--r-sm); background: var(--panel-2);
  font-size: .9rem; color: var(--ink-faint);
  transition: color .25s ease; }
.checklist li::before {
  content: ""; position: absolute; left: 12px; top: 50%;
  width: 16px; height: 16px; margin-top: -8px; border-radius: 50%;
  border: 2px solid var(--line);
  transition: background-color .25s ease, border-color .25s ease; }
.checklist li.is-ok { color: var(--ink); }
.checklist li.is-ok::before {
  border-color: var(--teal-strong);
  background: var(--teal-strong) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E") center / 12px no-repeat;
}

/* == 工作流 == */
.flowmap { margin: 0 0 34px; }
.flowmap img { width: 100%; border-radius: var(--r-lg); box-shadow: var(--shadow); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px 22px; counter-reset: none; }
.steps li { padding: 16px 0 0; border-top: 2px solid var(--line); opacity: 1; transition: opacity .5s ease, transform .5s ease, border-color .3s ease; }
.has-js .steps li.is-pending { opacity: 0; transform: translateY(10px); }
.steps li:hover { border-top-color: var(--teal); }
.steps h3 { display: flex; align-items: baseline; gap: 10px; font-size: 1.05rem; }
.steps h3 b { font-size: .78rem; color: var(--orange); font-variant-numeric: tabular-nums; }
.steps p { margin-top: 6px; font-size: .9rem; color: var(--ink-soft); }

/* == 功能模块 == */
.modules { columns: 3 300px; column-gap: 18px; }
.mod {
  break-inside: avoid; margin: 0 0 18px;
  padding: 22px 24px; border-radius: var(--r-lg);
  background: var(--panel); border: 1px solid var(--line); }
.mod h3 { font-size: 1.12rem; padding-bottom: 10px; border-bottom: 1px dashed var(--line); }
.mod ul { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 9px; }
.mod li { position: relative; padding-left: 18px; font-size: .92rem; color: var(--ink-soft); }
.mod li::before { content: ""; position: absolute; left: 2px; top: .66em; width: 7px; height: 2px; background: var(--teal); }

/* == 底线 == */
.rules { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.rules__lead h2 { margin-top: 10px; font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 800; }
.rules__lead p:not(.kicker) { margin-top: 12px; color: var(--ink-soft); }
.rules__list { margin: 0; padding: 0; list-style: none; display: grid; gap: 0; counter-reset: rule; }
.rules__list li { counter-increment: rule; position: relative; padding: 18px 0 18px 52px; border-bottom: 1px solid var(--line); color: var(--ink-soft); }
.rules__list li::before { content: counter(rule, decimal-leading-zero); position: absolute; left: 0; top: 18px; font-weight: 800; color: var(--orange); font-variant-numeric: tabular-nums; }
.rules__list b { display: block; color: var(--ink); margin-bottom: 4px; }

/* == 对照表 == */
.table-wrap { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--panel); }
.matrix { width: 100%; border-collapse: collapse; font-size: .94rem; }
.matrix th, .matrix td { padding: 12px 18px; text-align: left; border-bottom: 1px solid var(--line); }
.matrix thead th { font-size: .82rem; letter-spacing: .08em; color: var(--ink-soft); background: var(--panel-2); }
.matrix tbody th { font-weight: 500; }
.matrix tbody tr:last-child > * { border-bottom: 0; }
.matrix td { width: 7.5em; white-space: nowrap; }
.st { display: inline-flex; align-items: center; gap: 5px; padding: 3px 11px; border-radius: 999px; font-size: .84rem; font-weight: 700; border: 1px solid currentColor; }
.st::before { font-size: .9em; line-height: 1; }
.st--yes::before { content: "✓"; }
.st--plan::before { content: "…"; }
.st--no::before { content: "×"; }
.st--yes { background: color-mix(in srgb, var(--teal) 18%, transparent); color: var(--teal); }
.st--plan { background: color-mix(in srgb, var(--orange) 16%, transparent); color: var(--orange); }
.st--no { background: var(--panel-2); color: var(--ink-faint); }

/* == 下载 == */
.dl { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
.dl__main h2 { margin-top: 10px; font-size: clamp(1.5rem, 3.2vw, 2.2rem); font-weight: 800; }
.dl__desc { margin-top: 10px; color: var(--ink-soft); }
.dl__action { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 24px; }
.dl__note { font-size: .9rem; color: var(--ink-soft); max-width: 30em; }
.dl__hash { margin-top: 14px; font-size: .9rem; color: var(--ink-soft); }
.dl__note.is-missing { color: var(--orange); font-weight: 600; }
.dl__steps { margin: 28px 0 0; padding-left: 1.3em; display: grid; gap: 8px; color: var(--ink-soft); }
.dl__side { display: grid; gap: 16px; }
.req { padding: 22px 24px; border-radius: var(--r-lg); background: var(--panel); border: 1px solid var(--line); }
.req h3 { font-size: 1.05rem; }
.req ul, .req ol { margin: 10px 0 0; padding-left: 1.2em; display: grid; gap: 6px; font-size: .92rem; color: var(--ink-soft); }
.req p { margin-top: 10px; font-size: .9rem; color: var(--ink-soft); }
.req--warn { border-color: var(--orange); background: color-mix(in srgb, var(--orange) 7%, var(--panel)); }

/* == 方案 == */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.plan {
  position: relative; display: flex; flex-direction: column;
  padding: 30px 26px; border-radius: var(--r-lg);
  background: var(--panel); border: 1.5px solid var(--teal-strong);
  box-shadow: var(--shadow); }
.plan--muted { border-color: var(--line); box-shadow: none; }
.badge {
  position: absolute; top: 18px; right: 18px;
  padding: 2px 10px; border-radius: 999px;
  font-size: .74rem; background: var(--panel-2); color: var(--ink-faint); }
.plan h3 { font-size: 1.2rem; }
.plan__price { margin-top: 14px; display: flex; align-items: baseline; gap: 8px; }
.plan__price b { font-size: 2rem; }
.plan__price span { font-size: .82rem; color: var(--ink-faint); }
.plan ul { list-style: none; margin: 20px 0 26px; padding: 0; display: grid; gap: 9px; flex: 1; }
.plan li { padding-left: 22px; position: relative; color: var(--ink-soft); font-size: .94rem; }
.plan li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 9px; height: 9px; border-radius: 3px; background: var(--teal); }
.plan--muted li::before { background: var(--ink-faint); }

/* == FAQ == */
.faq { display: grid; gap: 10px; }
.faq details {
  border-radius: var(--r-md); border: 1px solid var(--line);
  background: var(--panel); overflow: hidden; }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px 20px; font-weight: 650; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 10px; height: 10px;
  border-right: 2px solid var(--ink-faint); border-bottom: 2px solid var(--ink-faint);
  transform: rotate(45deg) translateY(-3px); transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(225deg) translateY(-2px); }
.faq details p { padding: 0 20px 18px; color: var(--ink-soft); }

/* == 收尾 CTA 与页脚 == */
.final { padding: 80px 0; }
.final__inner {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px;
  padding: 40px 44px; border-radius: 28px;
  background: linear-gradient(120deg, color-mix(in srgb, var(--teal-strong) 26%, var(--panel)), var(--panel));
  border: 1px solid var(--line); }
.final h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
.site-foot { border-top: 1px solid var(--line); padding: 26px 0; font-size: .86rem; color: var(--ink-faint); }
.foot__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }

/* == 响应式 == */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__art { max-width: 380px; }
  .stage { grid-template-columns: 1fr; }
  .rail { flex-direction: row; overflow-x: auto; }
  .rail button { flex: 1 0 auto; width: auto; }
  .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rules, .dl { grid-template-columns: 1fr; gap: 28px; } }
@media (max-width: 760px) {
  .menu-toggle { display: inline-grid; }
  .bar__actions { margin-left: auto; }
  .menu {
    position: absolute; left: 0; right: 0; top: 64px;
    flex-direction: column; gap: 0; padding: 8px 20px 16px;
    background: var(--bg); border-bottom: 1px solid var(--line);
    display: none; }
  .menu.is-open { display: flex; }
  .menu a { padding: 12px 6px; border-radius: 0; border-bottom: 1px solid var(--line); }
  .gen, .check { grid-template-columns: 1fr; }
  .menu { max-height: calc(100vh - 64px); overflow-y: auto; } }
@media (max-width: 560px) {
  .frame, .frame--narrow { width: calc(100% - 32px); }
  .bar__inner { gap: 10px; }
  .bar__cta { display: none; }
  .hero { padding: 52px 0 64px; }
  .section { padding: 64px 0; }
  .plans, .steps, .pillars { grid-template-columns: 1fr; }
  .matrix th, .matrix td { padding: 10px 12px; }
  .flowmap { max-width: 360px; margin-inline: auto; }
  .pane { padding: 18px; min-height: 0; }
  .src-card { grid-template-columns: 96px 1fr; gap: 12px; }
  .ozon-card { grid-template-columns: 88px 1fr; }
  .rail button { padding: 10px 12px; font-size: .88rem; }
  .final__inner { padding: 28px 22px; }
  .btn--lg { width: 100%; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; } }