.xmain-ebook-library,
.xmain-ebook-reader {
    --ebook-ink: #17211f;
    --ebook-muted: #65726e;
    --ebook-green: #24594e;
    --ebook-green-deep: #163c35;
    --ebook-red: #a44138;
    --ebook-gold: #b08a52;
    --ebook-paper: #f5f7f4;
    --ebook-white: #ffffff;
    --ebook-line: rgba(23, 33, 31, .13);
    --ebook-shadow: 0 24px 60px rgba(27, 49, 43, .09);
    background: var(--ebook-paper);
    color: var(--ebook-ink);
}

body.single-xmp_shushi_note .xmain-header,
body.single-xmp_shushi_note.admin-bar .xmain-header {
    position: relative;
    inset: auto;
    top: auto;
    background: #f5f4ef;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

.xmain-ebook-hero {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--ebook-line);
    background:
        linear-gradient(90deg, rgba(243, 247, 244, .98) 0%, rgba(243, 247, 244, .92) 46%, rgba(243, 247, 244, .42) 100%),
        url("../img/shushi-notes-hero-v2.webp") 78% center / cover no-repeat;
}

.xmain-ebook-hero::after {
    position: absolute;
    right: 9%;
    bottom: -70px;
    width: 250px;
    height: 250px;
    border: 1px solid rgba(36, 89, 78, .14);
    border-radius: 50%;
    content: "";
}

.xmain-ebook-hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    min-height: 520px;
    grid-template-columns: minmax(0, 1fr) minmax(390px, 500px);
    gap: 72px;
    align-items: center;
    padding-top: 72px;
    padding-bottom: 72px;
}

.xmain-ebook-hero__copy {
    max-width: 650px;
}

.xmain-ebook-hero__copy h1 {
    margin: 0;
    font-family: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    font-size: 72px;
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: 0;
}

.xmain-ebook-hero__subtitle {
    margin: 10px 0 0;
    color: var(--ebook-red);
    font-size: 18px;
    font-weight: 850;
}

.xmain-ebook-hero__copy > p:not(.xmain-notes-kicker, .xmain-ebook-hero__subtitle) {
    max-width: 570px;
    margin: 26px 0 0;
    color: #485652;
    font-family: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    font-size: 20px;
    line-height: 1.9;
}

.xmain-ebook-hero__links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 28px;
    margin-top: 32px;
}

.xmain-ebook-hero__links a,
.xmain-ebook-hero__links a:visited {
    border-bottom: 1px solid currentColor;
    padding-bottom: 4px;
    color: var(--ebook-green);
    font-size: 14px;
    font-weight: 850;
    text-decoration: none;
}

.xmain-ebook-continue {
    display: grid;
    min-height: 282px;
    grid-template-columns: 146px minmax(0, 1fr);
    gap: 26px;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, .78);
    border-radius: 8px;
    background: rgba(255, 255, 255, .82);
    padding: 26px;
    color: var(--ebook-ink);
    box-shadow: var(--ebook-shadow);
    text-decoration: none;
    backdrop-filter: blur(14px);
}

.xmain-ebook-continue:visited {
    color: var(--ebook-ink);
}

.xmain-ebook-continue__cover {
    display: block;
    overflow: hidden;
    border-radius: 5px;
    box-shadow: 0 14px 34px rgba(23, 33, 31, .18);
}

.xmain-ebook-continue__image {
    display: block;
    width: 100%;
    aspect-ratio: 9 / 16;
    object-fit: cover;
}

.xmain-ebook-continue__body {
    display: grid;
    min-width: 0;
    gap: 11px;
}

.xmain-ebook-continue__body small {
    color: var(--ebook-red);
    font-size: 12px;
    font-weight: 900;
}

.xmain-ebook-continue__body strong {
    font-family: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    font-size: 25px;
    line-height: 1.45;
}

.xmain-ebook-continue__body > span {
    color: var(--ebook-muted);
    font-size: 13px;
}

.xmain-ebook-continue__body em {
    margin-top: 12px;
    color: var(--ebook-green);
    font-size: 14px;
    font-style: normal;
    font-weight: 900;
}

.xmain-ebook-continue--empty {
    grid-template-columns: 118px minmax(0, 1fr);
}

.xmain-ebook-continue__monogram {
    display: grid;
    width: 118px;
    aspect-ratio: 9 / 16;
    place-items: center;
    border: 1px solid rgba(36, 89, 78, .25);
    border-radius: 5px;
    background: var(--ebook-green-deep);
    color: #fff;
    font-family: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    font-size: 20px;
}

.xmain-ebook-library__body {
    padding-top: 82px;
    padding-bottom: 110px;
}

.xmain-ebook-notice {
    margin-bottom: 32px;
    border-left: 3px solid var(--ebook-gold);
    background: #fff;
    padding: 18px 20px;
    color: #5e4a30;
    font-size: 14px;
}

.xmain-ebook-library__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
    gap: 64px;
    align-items: end;
}

.xmain-ebook-library__head h2 {
    margin: 0;
    font-family: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    font-size: 46px;
    line-height: 1.2;
}

.xmain-ebook-library__head > div > p:last-child {
    margin: 14px 0 0;
    color: var(--ebook-muted);
    font-size: 15px;
}

.xmain-ebook-search {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    border-bottom: 1px solid var(--ebook-ink);
}

.xmain-ebook-search input {
    min-width: 0;
    height: 54px;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--ebook-ink);
    font: inherit;
}

.xmain-ebook-search button {
    border: 0;
    background: transparent;
    color: var(--ebook-green);
    font: inherit;
    font-weight: 900;
    cursor: pointer;
}

.xmain-ebook-library__layout {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 62px;
    align-items: start;
    margin-top: 54px;
}

.xmain-ebook-volumes {
    position: sticky;
    top: 106px;
}

.xmain-ebook-volume-select {
    display: none;
}

.xmain-ebook-volume-nav {
    display: grid;
    border-top: 1px solid var(--ebook-ink);
}

.xmain-ebook-volume-nav a,
.xmain-ebook-volume-nav a:visited {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr) auto;
    gap: 10px;
    align-items: center;
    min-height: 58px;
    border-bottom: 1px solid var(--ebook-line);
    color: var(--ebook-muted);
    text-decoration: none;
}

.xmain-ebook-volume-nav a:hover,
.xmain-ebook-volume-nav a:focus-visible,
.xmain-ebook-volume-nav a.is-current {
    color: var(--ebook-green-deep);
}

.xmain-ebook-volume-nav a.is-current strong {
    font-weight: 900;
}

.xmain-ebook-volume-nav a span,
.xmain-ebook-volume-nav a em {
    color: var(--ebook-gold);
    font-size: 11px;
    font-style: normal;
    font-weight: 850;
}

.xmain-ebook-volume-nav a strong {
    font-size: 14px;
    font-weight: 650;
}

.xmain-ebook-volume-nav__saved {
    margin-top: 18px;
    border-top: 1px solid var(--ebook-line);
}

.xmain-ebook-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.xmain-ebook-card {
    min-width: 0;
}

.xmain-ebook-card > a,
.xmain-ebook-card > a:visited {
    display: grid;
    height: 100%;
    grid-template-columns: 152px minmax(0, 1fr);
    overflow: hidden;
    border: 1px solid var(--ebook-line);
    border-radius: 8px;
    background: var(--ebook-white);
    color: var(--ebook-ink);
    text-decoration: none;
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.xmain-ebook-card > a:hover,
.xmain-ebook-card > a:focus-visible {
    border-color: rgba(36, 89, 78, .38);
    box-shadow: 0 18px 42px rgba(27, 49, 43, .09);
    transform: translateY(-2px);
}

.xmain-ebook-card__cover {
    position: relative;
    display: block;
    min-height: 270px;
    overflow: hidden;
    background: #dfe7e2;
}

.xmain-ebook-card__image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.xmain-ebook-card__volume {
    position: absolute;
    top: 14px;
    left: 12px;
    max-width: calc(100% - 24px);
    border: 1px solid rgba(255, 255, 255, .68);
    border-radius: 4px;
    background: rgba(20, 48, 42, .84);
    padding: 5px 8px;
    color: #fff;
    font-size: 10px;
    font-weight: 850;
    backdrop-filter: blur(6px);
}

.xmain-ebook-card__body {
    display: flex;
    min-width: 0;
    flex-direction: column;
    padding: 24px 22px;
}

.xmain-ebook-card__meta {
    color: var(--ebook-red);
    font-size: 11px;
    font-weight: 850;
}

.xmain-ebook-card__body > strong {
    margin-top: 12px;
    font-family: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    font-size: 22px;
    line-height: 1.45;
}

.xmain-ebook-card__date {
    display: block;
    margin-top: 8px;
    color: #64746b;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.6;
    font-variant-numeric: tabular-nums;
}

.xmain-ebook-card__summary {
    display: -webkit-box;
    overflow: hidden;
    margin-top: 12px;
    color: var(--ebook-muted);
    font-size: 13px;
    line-height: 1.75;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.xmain-ebook-card__progress {
    display: block;
    height: 3px;
    margin-top: auto;
    background: #e9eeeb;
}

.xmain-ebook-card__progress i {
    display: block;
    height: 100%;
    background: var(--ebook-gold);
}

.xmain-ebook-card__action {
    margin-top: 12px;
    color: var(--ebook-green);
    font-size: 13px;
    font-weight: 900;
}

.xmain-ebook-empty {
    border-top: 1px solid var(--ebook-ink);
    border-bottom: 1px solid var(--ebook-line);
    padding: 58px 0;
}

.xmain-ebook-empty h3 {
    margin: 0;
    font-family: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    font-size: 32px;
}

.xmain-ebook-empty > p:not(.xmain-notes-kicker) {
    color: var(--ebook-muted);
}

.xmain-ebook-empty a {
    color: var(--ebook-green);
    font-weight: 900;
}

/* Chapter reader */
.xmain-ebook-chapter__hero {
    border-bottom: 1px solid var(--ebook-line);
    background: linear-gradient(135deg, #eef4f0 0%, #f8f9f6 58%, #edf1ee 100%);
}

.xmain-ebook-chapter__topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 28px;
    color: var(--ebook-muted);
    font-size: 12px;
    font-weight: 750;
}

.xmain-ebook-chapter__topline .xmain-note-reading__back {
    margin: 0;
}

.xmain-ebook-chapter__hero-inner {
    display: grid;
    grid-template-columns: 310px minmax(0, 1fr);
    gap: 74px;
    align-items: center;
    padding-top: 48px;
    padding-bottom: 72px;
}

.xmain-book-cover {
    display: block;
    overflow: hidden;
    width: 100%;
    border: 0;
    border-radius: 7px;
    background: #dce5df;
    padding: 0;
    box-shadow: 0 28px 64px rgba(26, 48, 42, .18);
    cursor: zoom-in;
}

.xmain-book-cover__image {
    display: block;
    width: 100%;
    aspect-ratio: 9 / 16;
    object-fit: cover;
}

.xmain-ebook-chapter__intro h1 {
    max-width: 760px;
    margin: 18px 0 0;
    font-family: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    font-size: 54px;
    line-height: 1.28;
    letter-spacing: 0;
}

.xmain-ebook-chapter__intro .xmain-note-reading__summary {
    margin-top: 24px;
}

.xmain-ebook-chapter__intro .xmain-note-meta {
    margin-top: 24px;
}

.xmain-ebook-chapter__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.xmain-ebook-chapter__actions button {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    gap: 7px;
    border: 1px solid rgba(36, 89, 78, .24);
    border-radius: 6px;
    background: rgba(255, 255, 255, .72);
    padding: 0 15px;
    color: var(--ebook-green);
    font: inherit;
    font-size: 13px;
    font-weight: 850;
    cursor: pointer;
}

.xmain-ebook-chapter__actions button[aria-pressed="true"] {
    border-color: var(--ebook-gold);
    color: #7b5a2d;
}

.xmain-ebook-reader__layout {
    display: grid;
    grid-template-columns: 210px minmax(0, 720px);
    gap: 80px;
    justify-content: center;
    align-items: start;
    padding-top: 72px;
    padding-bottom: 82px;
}

.xmain-ebook-reader__rail {
    position: sticky;
    top: 106px;
    display: grid;
    gap: 34px;
}

.xmain-ebook-reader__tools {
    display: grid;
    gap: 12px;
    border-top: 1px solid var(--ebook-ink);
    padding-top: 14px;
}

.xmain-ebook-reader__tools > span,
.xmain-ebook-reader__toc > strong {
    color: var(--ebook-muted);
    font-size: 11px;
    font-weight: 900;
}

.xmain-ebook-reader__tools > div {
    display: flex;
    gap: 7px;
}

.xmain-ebook-reader__tools button {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid var(--ebook-line);
    border-radius: 4px;
    background: #fff;
    color: var(--ebook-ink);
    font: inherit;
    font-size: 12px;
    font-weight: 850;
    cursor: pointer;
}

.xmain-ebook-reader__toc {
    border-top: 1px solid var(--ebook-line);
    padding-top: 16px;
}

.xmain-ebook-reader__toc ol {
    display: grid;
    gap: 12px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}

.xmain-ebook-reader__toc a,
.xmain-ebook-reader__toc a:visited {
    display: block;
    color: var(--ebook-muted);
    font-size: 12px;
    line-height: 1.55;
    text-decoration: none;
}

.xmain-ebook-reader__toc a:hover,
.xmain-ebook-reader__toc a:focus-visible {
    color: var(--ebook-green);
}

.xmain-ebook-reader__library-link,
.xmain-ebook-reader__library-link:visited {
    border-top: 1px solid var(--ebook-line);
    padding-top: 16px;
    color: var(--ebook-green);
    font-size: 12px;
    font-weight: 850;
    line-height: 1.6;
    text-decoration: none;
}

.xmain-ebook-reader .xmain-note-reading__content {
    width: 100%;
    min-width: 0;
    padding: 0;
}

.xmain-ebook-reader .xmain-note-article__body {
    font-size: calc(18px * var(--xmain-reader-scale, 1));
    overflow-wrap: anywhere;
}

.xmain-note-illustration {
    margin: 52px 0;
}

.xmain-note-illustration img {
    display: block;
    width: min(100%, 610px);
    height: auto;
    margin: 0 auto;
    border-radius: 7px;
    box-shadow: 0 22px 48px rgba(23, 33, 31, .12);
}

.xmain-note-illustration figcaption {
    margin-top: 11px;
    color: var(--ebook-muted);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 11px;
    line-height: 1.5;
    text-align: center;
}

.xmain-note-gallery {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    margin-top: 76px;
    border-top: 1px solid var(--ebook-line);
    padding-top: 38px;
}

.xmain-note-gallery__head h2 {
    margin: 0;
    font-family: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
    font-size: 30px;
}

.xmain-note-gallery__head > p:last-child {
    margin: 10px 0 0;
    color: var(--ebook-muted);
    font-size: 13px;
}

.xmain-note-gallery__track {
    display: grid;
    grid-auto-columns: 150px;
    grid-auto-flow: column;
    gap: 12px;
    overflow-x: auto;
    width: 100%;
    max-width: 100%;
    margin-top: 24px;
    padding-bottom: 12px;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
}

.xmain-note-gallery__track button {
    display: grid;
    gap: 8px;
    border: 0;
    background: transparent;
    padding: 0;
    color: var(--ebook-muted);
    font: inherit;
    font-size: 11px;
    text-align: left;
    cursor: zoom-in;
    scroll-snap-align: start;
}

.xmain-note-gallery__image {
    display: block;
    width: 100%;
    aspect-ratio: 9 / 16;
    border-radius: 5px;
    object-fit: cover;
}

.xmain-note-lightbox {
    position: fixed;
    z-index: 100000;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(8, 12, 11, .94);
    padding: 28px;
}

.xmain-note-lightbox[hidden] {
    display: none;
}

.xmain-note-lightbox__stage {
    position: relative;
    z-index: 1;
    display: grid;
    max-width: min(calc(100vw - 152px), 720px);
    max-height: calc(100vh - 56px);
    max-height: calc(100dvh - 56px);
    place-items: center;
    margin: 0;
}

.xmain-note-lightbox img {
    display: block;
    max-width: 100%;
    max-height: calc(100vh - 56px);
    max-height: calc(100dvh - 56px);
    border-radius: 6px;
    object-fit: contain;
    touch-action: pan-y pinch-zoom;
    -webkit-user-drag: none;
    user-select: none;
}

.xmain-note-lightbox__close,
.xmain-note-lightbox__nav {
    position: fixed;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    border: 1px solid rgba(255, 255, 255, .44);
    border-radius: 50%;
    background: rgba(0, 0, 0, .34);
    color: #fff;
    padding: 0;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.xmain-note-lightbox__close {
    top: calc(18px + env(safe-area-inset-top));
    right: calc(18px + env(safe-area-inset-right));
    width: 44px;
    height: 44px;
}

.xmain-note-lightbox__close > span {
    position: relative;
    display: block;
    width: 18px;
    height: 18px;
}

.xmain-note-lightbox__close > span::before,
.xmain-note-lightbox__close > span::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    content: "";
    transform-origin: center;
}

.xmain-note-lightbox__close > span::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.xmain-note-lightbox__close > span::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.xmain-note-lightbox__nav {
    top: 50%;
    width: 48px;
    height: 48px;
    transform: translateY(-50%);
}

.xmain-note-lightbox__nav--previous {
    left: calc(22px + env(safe-area-inset-left));
}

.xmain-note-lightbox__nav--next {
    right: calc(22px + env(safe-area-inset-right));
}

.xmain-note-lightbox__nav > span {
    display: block;
    width: 12px;
    height: 12px;
    border-top: 2px solid currentColor;
    border-right: 2px solid currentColor;
}

.xmain-note-lightbox__nav--previous > span {
    margin-left: 4px;
    transform: rotate(-135deg);
}

.xmain-note-lightbox__nav--next > span {
    margin-right: 4px;
    transform: rotate(45deg);
}

.xmain-note-lightbox__close:hover,
.xmain-note-lightbox__close:focus-visible,
.xmain-note-lightbox__nav:hover,
.xmain-note-lightbox__nav:focus-visible {
    border-color: rgba(255, 255, 255, .86);
    background: rgba(255, 255, 255, .14);
    outline: 0;
}

.xmain-note-lightbox__stage figcaption {
    position: fixed;
    bottom: calc(18px + env(safe-area-inset-bottom));
    left: 50%;
    min-width: 64px;
    margin: 0;
    border-radius: 20px;
    background: rgba(0, 0, 0, .42);
    padding: 7px 12px;
    color: rgba(255, 255, 255, .88);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 12px;
    line-height: 1;
    text-align: center;
    transform: translateX(-50%);
}

.xmain-note-lightbox__close[hidden],
.xmain-note-lightbox__nav[hidden],
.xmain-note-lightbox__stage figcaption[hidden] {
    display: none;
}

body.xmain-lightbox-open {
    overflow: hidden;
}

.xmain-note-back-to-top {
    position: fixed;
    z-index: 70;
    right: 20px;
    bottom: calc(20px + env(safe-area-inset-bottom));
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border: 1px solid rgba(23, 33, 31, .18);
    border-radius: 50%;
    background: rgba(255, 255, 255, .94);
    box-shadow: 0 10px 28px rgba(23, 33, 31, .14);
    color: var(--ebook-green-deep, #163c35);
    padding: 0;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.xmain-note-back-to-top[hidden],
body.xmain-lightbox-open .xmain-note-back-to-top {
    display: none;
}

.xmain-note-back-to-top > span {
    display: block;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 22px;
    font-weight: 700;
    line-height: 1;
    transform: translateY(-1px);
}

.xmain-note-back-to-top:hover,
.xmain-note-back-to-top:focus-visible {
    border-color: var(--ebook-green, #24594e);
    background: #fff;
    outline: 0;
}

.xmain-ebook-chapter__actions button:disabled {
    opacity: .58;
    cursor: wait;
}

.xmain-ebook-reader.is-paper {
    --ebook-paper: #f7f3eb;
    background: #f7f3eb;
}

.xmain-ebook-reader.is-dark {
    --ebook-ink: #edf3ef;
    --ebook-muted: #aebbb6;
    --ebook-paper: #15201d;
    --ebook-line: rgba(237, 243, 239, .16);
    background: #15201d;
    color: #edf3ef;
}

.xmain-ebook-reader.is-dark .xmain-ebook-reader__layout,
.xmain-ebook-reader.is-dark .xmain-note-related,
.xmain-ebook-reader.is-dark .xmain-note-adjacent {
    background: #15201d;
}

.xmain-ebook-reader.is-dark .xmain-note-article__body,
.xmain-ebook-reader.is-dark .xmain-note-article__body p,
.xmain-ebook-reader.is-dark .xmain-note-article__body h2,
.xmain-ebook-reader.is-dark .xmain-note-signature,
.xmain-ebook-reader.is-dark .xmain-note-related h2,
.xmain-ebook-reader.is-dark .xmain-note-adjacent strong {
    color: #edf3ef;
}

.xmain-ebook-reader.is-dark .xmain-ebook-reader__tools button {
    border-color: rgba(255, 255, 255, .16);
    background: #21302c;
    color: #fff;
}

@media (max-width: 1050px) {
    .xmain-ebook-hero__inner {
        grid-template-columns: minmax(0, 1fr) 400px;
        gap: 42px;
    }

    .xmain-ebook-grid {
        grid-template-columns: 1fr;
    }

    .xmain-ebook-reader__layout {
        grid-template-columns: 180px minmax(0, 680px);
        gap: 50px;
    }
}

@media (max-width: 820px) {
    .xmain-ebook-hero {
        background:
            linear-gradient(90deg, rgba(243, 247, 244, .98), rgba(243, 247, 244, .82)),
            url("../img/shushi-notes-hero-v2.webp") 68% center / cover no-repeat;
    }

    .xmain-ebook-hero__inner {
        grid-template-columns: 1fr;
        gap: 36px;
        padding-top: 58px;
        padding-bottom: 58px;
    }

    .xmain-ebook-continue {
        width: min(100%, 540px);
    }

    .xmain-ebook-library__head {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .xmain-ebook-library__layout {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .xmain-ebook-volumes {
        position: static;
    }

    .xmain-ebook-volume-select {
        display: grid;
        gap: 8px;
    }

    .xmain-ebook-volume-select label {
        color: var(--ebook-muted);
        font-size: 12px;
        font-weight: 850;
    }

    .xmain-ebook-volume-select select {
        width: 100%;
        min-height: 50px;
        border: 1px solid var(--ebook-line);
        border-radius: 5px;
        background: #fff;
        padding: 0 14px;
        color: var(--ebook-ink);
        font: inherit;
    }

    .xmain-ebook-volume-nav {
        display: none;
    }

    .xmain-ebook-chapter__hero-inner {
        grid-template-columns: 240px minmax(0, 1fr);
        gap: 42px;
    }

    .xmain-ebook-reader__layout {
        grid-template-columns: 1fr;
        gap: 38px;
    }

    .xmain-ebook-reader__rail {
        position: static;
        display: flex;
        align-items: center;
        justify-content: space-between;
        border-bottom: 1px solid var(--ebook-line);
        padding-bottom: 18px;
    }

    .xmain-ebook-reader__tools {
        border: 0;
        padding: 0;
    }

    .xmain-ebook-reader__toc,
    .xmain-ebook-reader__library-link {
        display: none;
    }
}

@media (max-width: 600px) {
    .xmain-ebook-hero::after {
        display: none;
    }

    .xmain-ebook-hero__inner {
        min-height: 0;
        gap: 30px;
        padding-top: 42px;
        padding-bottom: 44px;
    }

    .xmain-ebook-hero__copy h1 {
        font-size: 48px;
    }

    .xmain-ebook-hero__subtitle {
        font-size: 15px;
    }

    .xmain-ebook-hero__copy > p:not(.xmain-notes-kicker, .xmain-ebook-hero__subtitle) {
        margin-top: 18px;
        font-size: 16px;
        line-height: 1.8;
    }

    .xmain-ebook-continue,
    .xmain-ebook-continue--empty {
        min-height: 0;
        grid-template-columns: 92px minmax(0, 1fr);
        gap: 18px;
        padding: 18px;
    }

    .xmain-ebook-continue__monogram {
        width: 92px;
    }

    .xmain-ebook-continue__body strong {
        font-size: 19px;
        line-height: 1.4;
    }

    .xmain-ebook-continue__body em {
        margin-top: 4px;
    }

    .xmain-ebook-library__body {
        width: min(100% - 28px, var(--xmain-shell));
        padding-top: 56px;
        padding-bottom: 78px;
    }

    .xmain-ebook-library__head h2 {
        font-size: 34px;
    }

    .xmain-ebook-grid {
        gap: 14px;
    }

    .xmain-ebook-card > a {
        grid-template-columns: 108px minmax(0, 1fr);
    }

    .xmain-ebook-card__cover {
        min-height: 192px;
    }

    .xmain-ebook-card__body {
        padding: 16px 15px;
    }

    .xmain-ebook-card__body > strong {
        margin-top: 8px;
        font-size: 18px;
        line-height: 1.42;
    }

    .xmain-ebook-card__summary {
        margin-top: 8px;
        font-size: 12px;
        line-height: 1.65;
        -webkit-line-clamp: 2;
    }

    .xmain-ebook-card__progress {
        margin-top: auto;
    }

    .xmain-ebook-card__action {
        margin-top: 8px;
        font-size: 12px;
    }

    .xmain-ebook-chapter__topline {
        width: min(100% - 28px, var(--xmain-shell));
        padding-top: 20px;
    }

    .xmain-ebook-chapter__topline > span {
        display: none;
    }

    .xmain-ebook-chapter__hero-inner {
        width: min(100% - 28px, var(--xmain-shell));
        grid-template-columns: 1fr;
        gap: 28px;
        padding-top: 32px;
        padding-bottom: 46px;
    }

    .xmain-book-cover {
        width: min(58vw, 220px);
        justify-self: center;
        grid-row: 2;
    }

    .xmain-ebook-chapter__intro {
        grid-row: 1;
    }

    .xmain-ebook-chapter__intro h1 {
        margin-top: 12px;
        font-size: 38px;
        line-height: 1.28;
    }

    .xmain-ebook-chapter__intro .xmain-note-reading__summary {
        margin-top: 18px;
        font-size: 17px;
        line-height: 1.8;
    }

    .xmain-ebook-reader__layout {
        width: min(100% - 32px, var(--xmain-shell));
        padding-top: 28px;
        padding-bottom: 58px;
    }

    .xmain-ebook-reader__rail {
        gap: 16px;
    }

    .xmain-ebook-reader__tools {
        width: 100%;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
    }

    .xmain-ebook-reader .xmain-note-article__body {
        font-size: calc(17px * var(--xmain-reader-scale, 1));
        line-height: 1.95;
    }

    .xmain-note-illustration {
        margin: 38px 0;
    }

    .xmain-note-illustration img {
        width: 100%;
    }

    .xmain-note-gallery {
        margin-top: 58px;
    }

    .xmain-note-gallery__track {
        grid-auto-columns: 126px;
    }

    .xmain-note-lightbox {
        padding: 12px;
    }

    .xmain-note-lightbox__stage {
        max-width: calc(100vw - 24px);
        max-height: calc(100vh - 72px);
        max-height: calc(100dvh - 72px);
    }

    .xmain-note-lightbox img {
        max-height: calc(100vh - 72px);
        max-height: calc(100dvh - 72px);
    }

    .xmain-note-lightbox__close {
        top: calc(12px + env(safe-area-inset-top));
        right: calc(12px + env(safe-area-inset-right));
    }

    .xmain-note-lightbox__nav {
        width: 44px;
        height: 44px;
        background: rgba(0, 0, 0, .46);
    }

    .xmain-note-lightbox__nav--previous {
        left: calc(8px + env(safe-area-inset-left));
    }

    .xmain-note-lightbox__nav--next {
        right: calc(8px + env(safe-area-inset-right));
    }

    .xmain-note-back-to-top {
        right: 14px;
        bottom: calc(14px + env(safe-area-inset-bottom));
    }
}

@media (prefers-reduced-motion: reduce) {
    .xmain-ebook-card > a {
        transition: none;
    }
}