*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --page: #F6EDE4;
    --deep-page: #E8D8C8;
    --content: #FFF8F2;
    --secondary: #F0E4D6;
    --ink: #1A1612;
    --text: #2A241C;
    --muted: #5A5048;
    --soft: #7A7068;
    --orange: #E07030;
    --copper: #B06030;
    --line: rgba(26,22,18,0.12);
    --focus-line: rgba(224,112,48,0.50);
    --shadow: 0 12px 28px rgba(26,22,18,0.10);
}

html {
    scroll-behavior: smooth;
    background: var(--page);
}

body {
    margin: 0;
    min-width: 0;
    overflow-x: hidden;
    background: var(--page);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    text-rendering: optimizeLegibility;
}

body.panel-open {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center;
}

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

button,
input {
    font: inherit;
}

button {
    color: inherit;
}

a,
button,
input {
    -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid var(--focus-line);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    left: 16px;
    top: 8px;
    z-index: 1000;
    transform: translateY(-140%);
    padding: 8px 12px;
    background: var(--content);
    color: var(--ink);
    border: 1px solid var(--orange);
}

.skip-link:focus {
    transform: translateY(0);
}

.top-strip {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 120;
    height: 20px;
    background: var(--ink);
    color: var(--page);
    font-size: 12px;
}

.top-strip__inner,
.site-header__inner,
.quick-nav__inner,
.site-footer__inner,
.content-width {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
}

.top-strip__inner {
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.top-search-button {
    min-height: 20px;
    padding: 0 2px;
    border: 0;
    background: transparent;
    color: var(--page);
    cursor: pointer;
    font-size: 12px;
}

.site-header {
    position: fixed;
    inset: 20px 0 auto 0;
    z-index: 115;
    height: 54px;
    background: var(--content);
    border-bottom: 1px solid var(--orange);
}

.site-header__inner {
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand-link {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.brand-logo,
.footer-logo,
.panel-logo {
    width: auto;
    height: 24px;
    max-width: 112px;
    object-fit: contain;
}

.brand-fallback,
.footer-logo-fallback,
.panel-logo-fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 24px;
    color: var(--ink);
    font-size: 16px;
    font-weight: 800;
    letter-spacing: .03em;
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.app-link,
.menu-button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
}

.app-link {
    padding: 0 14px;
    border: 1px solid var(--orange);
    background: var(--content);
    color: var(--ink);
}

.menu-button {
    padding: 0 14px;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--content);
}

.app-link:hover,
.app-link:focus-visible {
    background: var(--secondary);
}

.menu-button:hover,
.menu-button:focus-visible {
    background: var(--orange);
    border-color: var(--orange);
}

.quick-nav {
    position: fixed;
    inset: 74px 0 auto 0;
    z-index: 110;
    height: 46px;
    background: var(--content);
    border-bottom: 1px solid var(--line);
}

.quick-nav__inner {
    height: 46px;
    display: flex;
    align-items: center;
    gap: 26px;
}

.quick-nav__item {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ink);
    font-size: 13px;
}

.quick-nav__square {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    border: 1px solid var(--ink);
    border-radius: 2px;
    background: transparent;
}

.quick-nav__item.is-current .quick-nav__square,
.quick-nav__item:hover .quick-nav__square {
    background: var(--orange);
    border-color: var(--orange);
}

.site-main {
    min-height: 70vh;
    padding-top: 120px;
    padding-bottom: 72px;
}

.page-intro {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
    padding: 42px 0 28px;
}

.page-intro--compact {
    padding-bottom: 18px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--copper);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1,
h2,
h3 {
    margin-top: 0;
    color: var(--ink);
    line-height: 1.3;
}

h1 {
    margin-bottom: 16px;
    font-size: 24px;
}

h2 {
    margin-bottom: 12px;
    font-size: 20px;
}

h3 {
    margin-bottom: 8px;
    font-size: 16px;
}

p {
    margin-top: 0;
    margin-bottom: 14px;
}

.lead {
    max-width: 760px;
    color: var(--muted);
    font-size: 16px;
}

.small-note {
    color: var(--soft);
    font-size: 13px;
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

.btn {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    border-radius: 4px;
    font-size: 14px;
    white-space: nowrap;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(26,22,18,.10);
}

.btn--primary {
    border: 1px solid transparent;
    background: linear-gradient(135deg,#1A1612 0%,#E07030 100%);
    color: #FFF8F2;
}

.btn--secondary {
    border: 1px solid var(--orange);
    background: var(--content);
    color: var(--ink);
}

.section {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
    padding: 34px 0;
}

.section + .section {
    border-top: 1px solid var(--line);
}

.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
}

.section-head p {
    max-width: 600px;
    margin-bottom: 0;
    color: var(--muted);
}

.media-slot {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--secondary);
    border: 1px solid var(--line);
}

.media-slot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.index-cues {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.index-cues span {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 3px;
    background: var(--orange);
    color: var(--content);
    font-size: 13px;
    font-weight: 700;
}

.home-opening {
    padding-top: 42px;
}

.home-opening .lead {
    max-width: 720px;
}

.slant-record {
    display: grid;
    grid-template-columns: minmax(220px, 300px) 1fr;
    gap: 30px;
    align-items: center;
    padding: 20px;
    background: var(--content);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.slant-record__media {
    height: 176px;
    min-height: 176px;
    clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
    background: var(--secondary);
}

.slant-record__copy {
    padding-right: 10px;
}

.dual-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.dual-card {
    min-width: 0;
    padding: 22px;
    background: var(--content);
    border: 1px solid var(--line);
    border-top: 3px solid var(--orange);
    border-radius: 4px;
}

.dual-card .media-slot {
    height: 168px;
    margin-bottom: 18px;
}

.book-spreads {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 18px;
}

.book-sheet {
    position: relative;
    min-width: 0;
    padding: 24px;
    background: var(--content);
    border: 1px solid var(--line);
    border-left: 6px solid var(--copper);
    border-radius: 2px 5px 5px 2px;
}

.book-sheet:first-child::after {
    content: "";
    position: absolute;
    top: 14px;
    bottom: 14px;
    right: 10px;
    width: 1px;
    background: var(--line);
}

.book-sheet .media-slot {
    height: 170px;
    margin-bottom: 18px;
}

.rack-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    align-items: stretch;
}

.rack-card {
    padding: 24px;
    background: var(--deep-page);
    border-bottom: 4px solid var(--orange);
}

.rack-head-media {
    height: 172px;
    margin-bottom: 16px;
}

.period-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
}

.period-item {
    min-width: 0;
    padding: 20px;
    background: var(--content);
    border: 1px solid var(--line);
}

.period-item strong {
    display: block;
    margin-bottom: 8px;
    color: var(--copper);
}

.period-media {
    height: 168px;
    margin-bottom: 16px;
}

.status-list {
    display: grid;
    gap: 10px;
}

.status-row {
    display: grid;
    grid-template-columns: 118px 1fr;
    gap: 18px;
    align-items: center;
    padding: 14px 16px;
    background: var(--content);
    border: 1px solid var(--line);
}

.status-row strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 32px;
    padding: 0 10px;
    background: var(--ink);
    color: var(--content);
    font-size: 13px;
}

.status-row:nth-child(2) strong {
    background: var(--orange);
}

.status-row:nth-child(3) strong {
    background: var(--copper);
}

.app-feature {
    display: grid;
    grid-template-columns: minmax(190px, 270px) 1fr;
    gap: 28px;
    align-items: center;
    padding: 24px;
    background: var(--content);
    border: 1px solid var(--line);
}

.app-feature__media {
    height: 320px;
    min-height: 240px;
}

.app-icon-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.app-icon-row .app-icon {
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    object-fit: contain;
}

.guide-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 22px;
}

.guide-point {
    padding: 18px 0;
    border-top: 1px solid var(--line);
}

.faq-mini {
    display: grid;
    gap: 10px;
}

.faq-mini details {
    background: var(--content);
    border: 1px solid var(--line);
}

.faq-mini summary {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--ink);
    font-weight: 700;
    cursor: pointer;
}

.faq-mini p {
    padding: 0 16px 16px;
    margin: 0;
    color: var(--muted);
}

.brand-summary {
    padding: 26px;
    background: var(--ink);
    color: var(--page);
    border-left: 5px solid var(--orange);
}

.brand-summary h2,
.brand-summary h3 {
    color: var(--content);
}

.brand-summary p {
    color: var(--page);
}

.inner-split {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(250px, 320px);
    gap: 28px;
    padding-bottom: 36px;
}

.inner-split--reverse {
    grid-template-columns: minmax(250px, 320px) minmax(0, 1fr);
}

.inner-split__aside {
    min-width: 0;
}

.inner-split__aside .media-slot {
    position: sticky;
    top: 144px;
    height: 230px;
}

.article-flow {
    min-width: 0;
}

.article-flow section {
    padding: 24px 0;
    border-top: 1px solid var(--line);
}

.article-flow section:first-child {
    border-top: 0;
    padding-top: 0;
}

.article-flow ul {
    margin: 10px 0 0;
    padding-left: 1.2em;
}

.article-flow li + li {
    margin-top: 8px;
}

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

.slant-page {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
    padding-bottom: 34px;
}

.slant-page__hero {
    display: grid;
    grid-template-columns: minmax(220px, 300px) 1fr;
    gap: 30px;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--content);
    border: 1px solid var(--line);
}

.slant-page__media {
    height: 210px;
    clip-path: polygon(0 0,100% 0,86% 100%,0 100%);
}

.slant-page__rows {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--line);
}

.slant-page__row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 24px;
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
}

.slant-page__row h2 {
    margin-bottom: 0;
}

.volume-page {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
    padding-bottom: 34px;
}

.volume-stack {
    display: grid;
    gap: 16px;
}

.volume-sheet {
    position: relative;
    padding: 24px 30px;
    background: var(--content);
    border: 1px solid var(--line);
    border-left: 7px solid var(--copper);
}

.volume-sheet::before {
    content: "";
    position: absolute;
    top: 12px;
    bottom: 12px;
    left: 10px;
    width: 1px;
    background: var(--line);
}

.volume-sheet--media {
    display: grid;
    grid-template-columns: minmax(180px, 280px) 1fr;
    gap: 24px;
    align-items: center;
}

.volume-sheet--media .media-slot {
    height: 188px;
}

.single-column {
    width: min(760px, calc(100% - 32px));
    margin: 0 auto;
    padding-bottom: 36px;
}

.single-column .media-slot {
    height: 220px;
    margin-bottom: 28px;
}

.single-column section {
    padding: 22px 0;
    border-top: 1px solid var(--line);
}

.single-column section:first-of-type {
    border-top: 0;
}

.memo-list {
    display: grid;
    gap: 12px;
}

.memo-item {
    padding: 20px;
    background: var(--content);
    border: 1px solid var(--line);
    border-left: 4px solid var(--orange);
}

.method-steps {
    counter-reset: method-step;
    display: grid;
    gap: 14px;
}

.method-step {
    position: relative;
    padding: 20px 20px 20px 58px;
    background: var(--content);
    border: 1px solid var(--line);
}

.method-step::before {
    counter-increment: method-step;
    content: counter(method-step);
    position: absolute;
    left: 16px;
    top: 18px;
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    background: var(--orange);
    color: var(--content);
    font-weight: 800;
}

.topic-list {
    display: grid;
    gap: 12px;
}

.topic-item {
    display: grid;
    grid-template-columns: 170px 1fr;
    gap: 20px;
    padding: 20px;
    background: var(--content);
    border: 1px solid var(--line);
}

.topic-item strong {
    color: var(--copper);
}

.center-card-page {
    width: min(760px, calc(100% - 32px));
    margin: 0 auto;
    padding-bottom: 36px;
}

.center-card-page .media-slot {
    height: 210px;
    margin: 0 auto 22px;
}

.center-info-card {
    margin-bottom: 16px;
    padding: 24px;
    background: var(--content);
    border: 1px solid var(--line);
    text-align: center;
}

.center-info-card p {
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

.app-page {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
    padding-bottom: 36px;
}

.app-page__lead {
    display: grid;
    grid-template-columns: minmax(190px, 280px) 1fr;
    gap: 30px;
    align-items: center;
    padding: 24px;
    background: var(--content);
    border: 1px solid var(--line);
}

.app-page__media {
    height: 320px;
}

.app-page__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 20px;
}

.app-page__feature {
    padding: 20px;
    background: var(--secondary);
    border: 1px solid var(--line);
}

.terms-page {
    width: min(820px, calc(100% - 32px));
    margin: 0 auto;
    padding-bottom: 36px;
}

.terms-page section {
    padding: 22px 0;
    border-top: 1px solid var(--line);
}

.terms-page section:first-child {
    border-top: 0;
}

.help-grid {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto 36px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.help-card {
    padding: 22px;
    background: var(--content);
    border: 1px solid var(--line);
}

.help-card a {
    color: var(--copper);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.faq-page {
    width: min(860px, calc(100% - 32px));
    margin: 0 auto;
    padding-bottom: 36px;
}

.faq-item {
    padding: 22px 0;
    border-top: 1px solid var(--line);
}

.faq-item:first-child {
    border-top: 0;
}

.faq-item h2 {
    font-size: 18px;
}

.contact-grid {
    width: min(900px, calc(100% - 32px));
    margin: 0 auto 36px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-card {
    padding: 22px;
    background: var(--content);
    border: 1px solid var(--line);
    border-bottom: 3px solid var(--orange);
}

.banner-slot {
    width: min(960px, calc(100% - 32px));
    height: 200px;
    margin: 0 auto 28px;
}

.about-grid {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto 36px;
    display: grid;
    grid-template-columns: .88fr 1.12fr;
    gap: 24px;
}

.about-grid__brand {
    padding: 24px;
    background: var(--ink);
    color: var(--page);
}

.about-grid__brand h2,
.about-grid__brand h3 {
    color: var(--content);
}

.about-grid__brand .media-slot {
    height: 210px;
    margin-bottom: 18px;
    background: var(--secondary);
}

.about-grid__content section {
    padding: 20px 0;
    border-top: 1px solid var(--line);
}

.about-grid__content section:first-child {
    border-top: 0;
    padding-top: 0;
}

.site-footer {
    background: var(--ink);
    color: var(--page);
    border-top: 1px solid var(--orange);
}

.site-footer__inner {
    padding: 34px 0 calc(34px + env(safe-area-inset-bottom));
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.footer-brand a {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.footer-brand strong,
.footer-brand span {
    display: block;
}

.footer-brand strong {
    color: var(--content);
    font-size: 16px;
}

.footer-brand span {
    color: var(--page);
    font-size: 13px;
}

.footer-logo-fallback {
    color: var(--content);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.footer-links h2 {
    margin-bottom: 10px;
    color: var(--content);
    font-size: 13px;
}

.footer-links a {
    display: block;
    min-height: 30px;
    color: var(--page);
    font-size: 13px;
}

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

.footer-note,
.footer-copy {
    color: var(--page);
    font-size: 13px;
}

.footer-note {
    max-width: 760px;
    padding-top: 18px;
    border-top: 1px solid rgba(255,248,242,.16);
}

.footer-copy {
    margin-bottom: 0;
    color: #E8D8C8;
}

.page-overlay {
    position: fixed;
    inset: 0;
    z-index: 180;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    background: rgba(26,22,18,.48);
    transition: opacity .18s ease, visibility .18s ease;
}

.page-overlay.is-visible {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.menu-panel {
    position: fixed;
    z-index: 210;
    top: 88px;
    left: 50%;
    width: 320px;
    max-height: 360px;
    overflow-y: auto;
    transform: translate(-50%, -18px);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    background: var(--content);
    color: var(--text);
    border: 1px solid var(--orange);
    box-shadow: var(--shadow);
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.menu-panel.is-open {
    transform: translate(-50%, 0);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    padding: 14px;
    border-bottom: 1px solid var(--line);
}

.panel-head p {
    margin: 2px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.panel-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-close {
    min-width: 44px;
    min-height: 44px;
    padding: 0 10px;
    border: 1px solid var(--line);
    background: var(--content);
    color: var(--ink);
    cursor: pointer;
}

.menu-groups {
    padding: 4px 14px 14px;
}

.menu-groups section {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
}

.menu-groups section:last-child {
    border-bottom: 0;
}

.menu-groups h2 {
    margin-bottom: 6px;
    color: var(--copper);
    font-size: 13px;
}

.menu-groups a {
    display: grid;
    grid-template-columns: 62px 1fr;
    gap: 8px;
    min-height: 44px;
    align-items: center;
    padding: 4px 0;
}

.menu-groups b {
    color: var(--ink);
    font-size: 14px;
}

.menu-groups span {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
}

.search-panel {
    position: fixed;
    z-index: 205;
    top: 74px;
    left: 50%;
    width: min(560px, calc(100% - 32px));
    transform: translate(-50%, -12px);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    background: var(--content);
    color: var(--text);
    border: 1px solid var(--orange);
    box-shadow: var(--shadow);
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.search-panel.is-open {
    transform: translate(-50%, 0);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.search-panel__inner {
    padding-bottom: 16px;
}

.search-label {
    display: block;
    margin: 14px 14px 6px;
    color: var(--muted);
    font-size: 13px;
}

.search-input {
    width: calc(100% - 28px);
    min-height: 44px;
    margin: 0 14px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 3px;
    background: var(--content);
    color: var(--ink);
}

.search-results {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 14px;
}

.search-results a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 0 14px;
    border: 1px solid var(--orange);
    border-radius: 3px;
    color: var(--ink);
}

.search-empty {
    margin: 0 14px;
    color: var(--muted);
}

.mobile-bottom-nav {
    display: none;
}

@media (max-width: 760px) {
    .quick-nav {
        display: none;
    }

    .site-main {
        padding-top: 74px;
        padding-bottom: calc(72px + env(safe-area-inset-bottom));
    }

    .page-intro {
        padding-top: 34px;
    }

    .site-header__actions {
        gap: 6px;
    }

    .app-link,
    .menu-button {
        padding: 0 10px;
        font-size: 13px;
    }

    .menu-button {
        max-width: 104px;
    }

    .slant-record,
    .slant-page__hero,
    .app-feature,
    .app-page__lead,
    .volume-sheet--media,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .slant-record__media,
    .slant-page__media {
        width: 100%;
        max-width: 300px;
    }

    .dual-cards,
    .book-spreads,
    .rack-cards,
    .guide-points,
    .help-grid,
    .contact-grid,
    .app-page__features {
        grid-template-columns: 1fr;
    }

    .period-grid {
        grid-template-columns: 1fr;
    }

    .status-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .status-row strong {
        justify-self: start;
    }

    .inner-split,
    .inner-split--reverse {
        grid-template-columns: 1fr;
    }

    .inner-split__aside .media-slot {
        position: static;
        height: 210px;
    }

    .slant-page__row,
    .topic-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .about-grid__brand {
        order: 2;
    }

    .footer-links {
        grid-template-columns: 1fr 1fr;
    }

    .menu-panel {
        top: 80px;
        width: 88%;
        max-height: min(360px, calc(100vh - 108px));
    }

    .search-panel {
        inset: 0;
        width: 100%;
        height: 100%;
        transform: none;
        background: var(--ink);
        color: var(--page);
        border: 0;
        overflow-y: auto;
    }

    .search-panel.is-open {
        transform: none;
    }

    .search-panel .panel-head {
        border-bottom-color: rgba(255,248,242,.18);
    }

    .search-panel .panel-head strong,
    .search-panel .panel-head p,
    .search-panel .search-label,
    .search-panel .search-empty {
        color: var(--page);
    }

    .search-panel .panel-close {
        background: transparent;
        color: var(--page);
        border-color: rgba(255,248,242,.3);
    }

    .search-panel .search-input {
        background: var(--content);
        color: var(--ink);
    }

    .search-panel .search-results a {
        color: var(--page);
        border-color: var(--orange);
    }

    .mobile-bottom-nav {
        position: fixed;
        z-index: 150;
        inset: auto 0 0 0;
        height: calc(48px + env(safe-area-inset-bottom));
        padding-bottom: env(safe-area-inset-bottom);
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        background: var(--content);
        border-top: 1px solid var(--line);
        box-shadow: 0 -6px 20px rgba(26,22,18,.08);
    }

    .mobile-bottom-nav a {
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--ink);
        font-size: 13px;
    }

    .mobile-bottom-nav a.is-current {
        background: var(--orange);
        color: var(--ink);
        font-weight: 800;
    }

    .site-footer__inner {
        padding-bottom: calc(82px + env(safe-area-inset-bottom));
    }
}

@media (max-width: 430px) {
    .top-strip__inner,
    .site-header__inner,
    .quick-nav__inner,
    .site-footer__inner,
    .content-width,
    .page-intro,
    .section,
    .slant-page,
    .volume-page,
    .single-column,
    .center-card-page,
    .app-page,
    .terms-page,
    .help-grid,
    .faq-page,
    .contact-grid,
    .banner-slot,
    .about-grid,
    .inner-split,
    .inner-split--reverse {
        width: calc(100% - 32px);
    }

    .footer-links {
        gap: 14px;
    }

    .site-header__inner {
        gap: 8px;
    }

    .site-header__actions {
        flex: 0 1 auto;
    }

    .brand-link {
        flex: 0 0 auto;
    }

    .app-link,
    .menu-button {
        min-width: 0;
        padding: 0 8px;
    }
}