/*
 * 研究与出版总览 V2
 * 编辑式研究档案馆：端正书架、唯一旗舰研究、分层报告目录与真实议题索引。
 */
.ipub2 {
    --ipub2-blue: var(--ztc-banner-authority);
    --ipub2-paper: #f3f7fa;
    --ipub2-paper-blue: #eaf3f8;
    --ipub2-line: rgba(10, 58, 102, .14);
    --ipub2-line-strong: rgba(0, 103, 180, .28);
    --ipub2-ink: var(--ztc-text);
    --ipub2-muted: var(--ztc-text-muted);
    background: #fff;
}

.ipub2 img { display: block; max-width: 100%; height: auto; }

.ipub2-hero {
    position: relative;
    min-height: 720px;
    overflow: hidden;
    color: #fff;
    background: var(--ztc-banner-luminous);
}

.ipub2-hero::before {
    position: absolute;
    inset: 0;
    content: "";
    pointer-events: none;
    background:
        radial-gradient(circle at 78% 23%, rgba(97, 204, 240, .22), transparent 26%),
        radial-gradient(circle at 95% 80%, rgba(0, 142, 211, .2), transparent 32%);
}

.ipub2-hero-grid {
    position: absolute;
    inset: 0;
    opacity: .46;
    pointer-events: none;
    background-image:
        linear-gradient(90deg, transparent calc(50% - .5px), rgba(255, 255, 255, .055) 50%, transparent calc(50% + .5px)),
        linear-gradient(0deg, transparent calc(50% - .5px), rgba(255, 255, 255, .045) 50%, transparent calc(50% + .5px));
    background-size: 184px 184px;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 36%, #000);
    mask-image: linear-gradient(90deg, transparent, #000 36%, #000);
}

.ipub2-hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(500px, 1.1fr);
    gap: clamp(52px, 7vw, 96px);
    align-items: center;
    min-height: 720px;
    padding: 164px 0 82px;
}

.ipub2-hero-copy { min-width: 0; }

.ipub2-hero-copy h1 {
    max-width: 660px;
    margin: 17px 0 26px;
    color: #fff;
    font-size: var(--ztc-banner-h1-feature);
    line-height: 1.05;
    letter-spacing: -.05em;
}

.ipub2-hero-lead {
    max-width: 620px;
    margin: 0;
    color: rgba(255, 255, 255, .79);
    font-size: var(--ztc-banner-lead);
    line-height: 1.9;
    text-wrap: pretty;
}

.ipub2-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.ipub2-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 11px 26px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    transition: transform .25s ease, background-color .25s ease, border-color .25s ease, color .25s ease;
}

.ipub2-button:hover { transform: translateY(-2px); }
.ipub2-button--light { color: var(--ztc-action); background: #fff; }
.ipub2-button--light:hover { color: #fff; background: var(--ztc-action); }
.ipub2-button--outline { color: #fff; border-color: rgba(255, 255, 255, .46); background: rgba(255, 255, 255, .04); }
.ipub2-button--outline:hover { border-color: #fff; background: rgba(255, 255, 255, .13); }

.ipub2-button:focus-visible,
.ipub2-flagship-card:focus-visible,
.ipub2-topic-index a:focus-visible,
.ipub2-reading-links a:focus-visible {
    outline: 3px solid var(--ztc-brand-cyan);
    outline-offset: 4px;
}

.ipub2-hero-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    max-width: 600px;
    margin: 42px 0 0;
    padding: 20px 0 0;
    border-top: 1px solid rgba(255, 255, 255, .2);
}

.ipub2-hero-facts div {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-right: 26px;
    padding-right: 26px;
    border-right: 1px solid rgba(255, 255, 255, .16);
}

.ipub2-hero-facts div:last-child { margin-right: 0; padding-right: 0; border-right: 0; }
.ipub2-hero-facts dt { color: #fff; font-family: var(--ztc-serif); font-size:var(--ztc-fs-h2); font-weight: 700; line-height: 1; }
.ipub2-hero-facts dd { margin: 0; color: rgba(255, 255, 255, .64); font-size: 12px; }

.ipub2-hero-library {
    position: relative;
    min-width: 0;
    margin: 0;
    padding: 30px 0 34px;
}

.ipub2-hero-library figcaption {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, .2);
}

.ipub2-hero-library figcaption span { color: #fff; font-size: var(--ztc-banner-label); font-weight: 700; letter-spacing: .16em; }
.ipub2-hero-library figcaption strong { color: rgba(255, 255, 255, .76); font-family: var(--ztc-serif); font-size:14px; }

.ipub2-hero-shelf {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 5px;
    align-items: end;
    min-height: 360px;
    padding: 16px 4px 12px;
}

.ipub2-hero-book {
    display: grid;
    place-items: end center;
    min-width: 0;
    transform: translateY(calc((var(--ipub2-book-index) % 2) * -4px));
}

.ipub2-hero-book img {
    width: min(190px, 125%);
    max-width: none;
    filter: drop-shadow(0 18px 18px rgba(7, 32, 60, .34));
}

.ipub2-hero-library-line {
    position: absolute;
    right: 0;
    bottom: 33px;
    left: 0;
    height: 11px;
    border-top: 1px solid rgba(255, 255, 255, .38);
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    background: rgba(255, 255, 255, .1);
    box-shadow: 0 15px 24px rgba(7, 32, 60, .25);
}

.ipub2-section {
    position: relative;
    padding: 116px 0;
    scroll-margin-top: 130px;
}

.ipub2-section-head {
    max-width: 820px;
    margin-bottom: 58px;
}

.ipub2-section-head--split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, .72fr);
    gap: clamp(46px, 8vw, 104px);
    align-items: end;
    max-width: none;
}

.ipub2-section-head h2 {
    margin: 14px 0 17px;
    color: var(--ipub2-ink);
    font-size: clamp(34px, 3.5vw, 46px);
    line-height: 1.18;
    letter-spacing: -.035em;
    text-wrap: balance;
}

.ipub2-section-head--split h2 { margin-bottom: 0; }
.ipub2-section-head > p:last-child,
.ipub2-section-head--split > p {
    margin: 0;
    color: var(--ipub2-muted);
    font-size: 16px;
    line-height: 1.9;
    text-wrap: pretty;
}

/* 正式书架：所有封面保持直立，不做旋转与散落。 */
.ipub2-books { background: #fff; }

.ipub2-shelf {
    position: relative;
    padding: 28px 28px 58px;
    overflow: hidden;
    border: 1px solid var(--ipub2-line);
    background: linear-gradient(180deg, #fff 0%, var(--ipub2-paper) 100%);
}

.ipub2-shelf-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--ipub2-line);
}

.ipub2-shelf-label span { color: var(--ztc-action); font-size: 11px; font-weight: 800; letter-spacing: .17em; }
.ipub2-shelf-label em { color: var(--ipub2-muted); font-size:var(--ztc-fs-micro); font-style: normal; letter-spacing: .12em; }

.ipub2-shelf-row {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
    align-items: end;
    padding-top: 36px;
}

.ipub2-book { min-width: 0; }

.ipub2-book-visual {
    position: relative;
    display: grid;
    place-items: end center;
    min-height: 314px;
    padding: 0 4px 8px;
}

.ipub2-book-visual > span {
    position: absolute;
    top: 0;
    left: 0;
    color: rgba(0, 103, 180, .34);
    font: 700 12px/1 var(--ztc-sans);
    letter-spacing: .08em;
}

.ipub2-book-visual img {
    width: min(242px, 100%);
    filter: drop-shadow(0 16px 18px rgba(10, 58, 102, .18));
    transition: transform .35s ease, filter .35s ease;
}

.ipub2-book:hover .ipub2-book-visual img {
    transform: translateY(-5px);
    filter: drop-shadow(0 20px 22px rgba(10, 58, 102, .22));
}

.ipub2-book-copy { min-height: 146px; padding: 21px 4px 0; }
.ipub2-book-copy small { color: var(--ztc-brand-primary); font-size:var(--ztc-fs-micro); font-weight: 700; letter-spacing: .06em; }
.ipub2-book-copy h3 { margin: 9px 0 0; color: var(--ipub2-ink); font-size: 16px; line-height: 1.55; text-wrap: pretty; }
.ipub2-book-copy p { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 13px 0 0; color: var(--ztc-action); font-size: 11px; font-weight: 700; }
.ipub2-book-copy p span { padding-left: 8px; border-left: 1px solid var(--ipub2-line-strong); color: var(--ipub2-muted); font-weight: 400; }

.ipub2-shelf-board {
    position: absolute;
    right: 0;
    bottom: 180px;
    left: 0;
    height: 17px;
    border-top: 1px solid rgba(255, 255, 255, .9);
    background: linear-gradient(180deg, #dce8ee 0%, #c5d7e1 100%);
    box-shadow: 0 14px 24px rgba(10, 58, 102, .13);
}

/* 唯一的强视觉研究卡，同首屏使用同一渐变蓝。 */
.ipub2-flagship { background: var(--ipub2-paper); }

.ipub2-flagship-card {
    display: grid;
    grid-template-columns: minmax(400px, 1fr) minmax(0, 1fr);
    min-height: 570px;
    overflow: hidden;
    border-radius: 24px;
    color: #fff;
    background: var(--ipub2-blue);
    box-shadow: 0 24px 56px rgba(10, 58, 102, .16);
}

.ipub2-flagship-art {
    position: relative;
    display: grid;
    place-items: center;
    min-width: 0;
    overflow: hidden;
    background: radial-gradient(circle at 50% 42%, rgba(97, 204, 240, .25), transparent 58%);
}

.ipub2-flagship-art::after {
    position: absolute;
    inset: 9% 8%;
    border: 1px solid rgba(255, 255, 255, .11);
    content: "";
}

.ipub2-flagship-art img {
    position: relative;
    z-index: 2;
    width: min(390px, 72%);
    filter: drop-shadow(0 26px 26px rgba(7, 32, 60, .34));
    transition: transform .45s ease;
}

.ipub2-flagship-card:hover .ipub2-flagship-art img { transform: translateY(-7px); }

.ipub2-flagship-orbit {
    position: absolute;
    width: min(450px, 78%);
    aspect-ratio: 1;
    border: 1px solid rgba(97, 204, 240, .28);
    border-radius: 50%;
    box-shadow: 0 0 0 54px rgba(97, 204, 240, .035), 0 0 0 108px rgba(97, 204, 240, .02);
}

.ipub2-flagship-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 62px 66px 62px 38px;
}

.ipub2-flagship-copy > small { color: var(--ztc-brand-cyan); font-size: 11px; font-weight: 700; letter-spacing: .14em; }
.ipub2-flagship-copy h3 { margin: 20px 0 23px; color: #fff; font-size: clamp(31px, 3.3vw, 44px); line-height: 1.34; letter-spacing: -.035em; text-wrap: balance; }
.ipub2-flagship-copy > p { margin: 0; color: rgba(255, 255, 255, .76); font-size:14px; line-height: 1.9; }

.ipub2-flagship-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.ipub2-flagship-tags i { padding: 6px 10px; border: 1px solid rgba(255, 255, 255, .2); border-radius: 999px; color: rgba(255, 255, 255, .8); font-size: 11px; font-style: normal; }
.ipub2-flagship-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 34px; color: var(--ztc-brand-cyan); font-size: 13px; font-weight: 700; }
.ipub2-flagship-card--static { cursor: default; }

/* 报告目录：卡片是档案，不伪装成可点击组件。 */
.ipub2-reports { background: #fff; }

.ipub2-report-chapter + .ipub2-report-chapter { margin-top: 88px; }

.ipub2-report-chapter-head {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--ipub2-line-strong);
}

.ipub2-report-chapter-head > span { color: var(--ztc-brand-primary); font: 700 13px/1.4 var(--ztc-sans); letter-spacing: .08em; }
.ipub2-report-chapter-head small { display: block; color: var(--ipub2-muted); font-size:var(--ztc-fs-micro); font-weight: 700; letter-spacing: .13em; }
.ipub2-report-chapter-head h3 { margin: 7px 0 0; color: var(--ipub2-ink); font-size:24px; line-height: 1.25; }

.ipub2-report-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }

.ipub2-report {
    position: relative;
    display: grid;
    grid-template-columns: minmax(190px, .78fr) minmax(0, 1.22fr);
    min-height: 330px;
    overflow: hidden;
    border: 1px solid var(--ipub2-line);
    background: #fff;
}

.ipub2-report-link {
    position: absolute;
    inset: 0;
    z-index: 2;
    border-radius: inherit;
}

.ipub2-report:has(.ipub2-report-link) {
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.ipub2-report:has(.ipub2-report-link):hover {
    transform: translateY(-3px);
    border-color: rgba(0, 142, 211, .42);
    box-shadow: 0 18px 38px rgba(14, 83, 129, .1);
}

.ipub2-report:has(.ipub2-report-link:focus-visible) {
    outline: 3px solid rgba(0, 142, 211, .3);
    outline-offset: 3px;
}

.ipub2-report:target,
.ipub2-archive-item:target { border-color: var(--ztc-brand-primary); box-shadow: 0 0 0 3px rgba(0, 142, 211, .12); }

.ipub2-report-cover {
    display: grid;
    place-items: center;
    min-width: 0;
    padding: 26px 8px;
    background: linear-gradient(145deg, var(--ipub2-paper-blue), #f8fbfd);
}

.ipub2-report-cover img { width: min(205px, 112%); max-width: none; filter: drop-shadow(0 14px 17px rgba(10, 58, 102, .17)); }
.ipub2-report-copy { display: flex; flex-direction: column; justify-content: center; min-width: 0; padding: 34px 30px; }
.ipub2-report-copy > small { color: var(--ztc-brand-primary); font-size: 11px; font-weight: 700; letter-spacing: .06em; }
.ipub2-report-copy h4 { margin: 15px 0 0; color: var(--ipub2-ink); font-family: var(--ztc-serif); font-size: 20px; line-height: 1.55; text-wrap: pretty; }
.ipub2-report-copy p { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: auto 0 0; padding-top: 24px; font-size: 11px; }
.ipub2-report-copy p span { color: var(--ztc-action); font-weight: 700; }
.ipub2-report-copy p em { padding-left: 8px; border-left: 1px solid var(--ipub2-line-strong); color: var(--ipub2-muted); font-style: normal; }

.ipub2-report-chapter--archive { display: grid; grid-template-columns: minmax(230px, .35fr) minmax(0, 1fr); gap: clamp(40px, 7vw, 92px); align-items: start; }
.ipub2-report-chapter--archive .ipub2-report-chapter-head { position: sticky; top: 132px; margin: 0; }
.ipub2-archive-list { border-top: 1px solid var(--ipub2-line); }

.ipub2-archive-item {
    display: grid;
    grid-template-columns: 44px 112px minmax(0, 1fr) auto;
    gap: 22px;
    align-items: center;
    min-height: 170px;
    padding: 20px 0;
    border-bottom: 1px solid var(--ipub2-line);
}

.ipub2-archive-index { color: rgba(0, 103, 180, .38); font: 700 12px/1 var(--ztc-sans); }
.ipub2-archive-cover { display: grid; place-items: center; width: 112px; height: 128px; background: var(--ipub2-paper); }
.ipub2-archive-cover img { width: 108px; max-height: 122px; object-fit: contain; filter: drop-shadow(0 9px 11px rgba(10, 58, 102, .14)); }
.ipub2-archive-copy { display: flex; flex-direction: column; min-width: 0; gap: 8px; }
.ipub2-archive-copy small { color: var(--ztc-brand-primary); font-size:var(--ztc-fs-micro); font-weight: 700; }
.ipub2-archive-copy strong { color: var(--ipub2-ink); font-family: var(--ztc-serif); font-size: 18px; line-height: 1.5; }
.ipub2-archive-item > em { color: var(--ipub2-muted); font-size: 11px; font-style: normal; white-space: nowrap; }

/* 议题探索：链接只落到本页真实收录对象。 */
.ipub2-topics { background: var(--ipub2-paper); }
.ipub2-topic-index { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ipub2-line); border-left: 1px solid var(--ipub2-line); }

.ipub2-topic-index a {
    position: relative;
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 360px;
    padding: 32px 30px 28px;
    overflow: hidden;
    border-right: 1px solid var(--ipub2-line);
    border-bottom: 1px solid var(--ipub2-line);
    background: #fff;
    transition: color .3s ease, background .3s ease, transform .3s ease;
}

.ipub2-topic-index a::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 3px;
    content: "";
    background: var(--ipub2-blue);
}

.ipub2-topic-index a > span { color: rgba(0, 103, 180, .42); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.ipub2-topic-index a div { align-self: end; margin-top: 60px; }
.ipub2-topic-index a small { color: var(--ztc-brand-primary); font-size:var(--ztc-fs-micro); font-weight: 700; letter-spacing: .08em; }
.ipub2-topic-index a h3 { margin: 13px 0 14px; color: var(--ipub2-ink); font-size:var(--ztc-fs-h2); line-height: 1.22; }
.ipub2-topic-index a p { margin: 0; color: var(--ipub2-muted); font-size: 14px; line-height: 1.8; text-wrap: pretty; }
.ipub2-topic-index a > i { display: inline-flex; align-items: center; justify-content: center; justify-self: end; width: 44px; height: 44px; margin-top: 28px; border: 1px solid var(--ipub2-line-strong); border-radius: 50%; color: var(--ztc-action); font-style: normal; }

.ipub2-topic-index a:hover {
    z-index: 1;
    color: #fff;
    background: var(--ipub2-blue);
    transform: translateY(-4px);
}

.ipub2-topic-index a:hover > span,
.ipub2-topic-index a:hover small,
.ipub2-topic-index a:hover p { color: rgba(255, 255, 255, .74); }
.ipub2-topic-index a:hover h3 { color: #fff; }
.ipub2-topic-index a:hover > i { border-color: rgba(255, 255, 255, .34); color: #fff; }

.ipub2-reading-path { padding: 88px 0; background: linear-gradient(135deg, var(--ipub2-paper-blue) 0%, #fff 76%); }
.ipub2-reading-layout { display: grid; grid-template-columns: minmax(300px, .8fr) minmax(0, 1.2fr); gap: clamp(50px, 9vw, 112px); align-items: center; }
.ipub2-reading-layout h2 { margin: 14px 0 0; color: var(--ipub2-ink); font-size: clamp(31px, 3.4vw, 44px); line-height: 1.25; letter-spacing: -.035em; text-wrap: balance; }
.ipub2-reading-links { border-top: 1px solid var(--ipub2-line); }
.ipub2-reading-links a { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 76px; border-bottom: 1px solid var(--ipub2-line); color: var(--ipub2-ink); font-size:16px; font-weight: 700; transition: padding-inline .25s ease, color .25s ease; }
.ipub2-reading-links a:hover { padding-inline: 10px; color: var(--ztc-action); }

@media (max-width: 1120px) {
    .ipub2-hero-layout { grid-template-columns: minmax(0, .9fr) minmax(410px, 1.1fr); gap: 42px; }
    .ipub2-shelf-row { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 54px; }
    .ipub2-shelf-board { display: none; }
    .ipub2-book { padding: 18px 12px 24px; border-bottom: 14px solid #cfdee6; background: linear-gradient(180deg, transparent, rgba(234, 243, 248, .68)); box-shadow: 0 14px 18px -17px rgba(10, 58, 102, .72); }
    .ipub2-book-copy { min-height: 130px; }
    .ipub2-report { grid-template-columns: minmax(160px, .72fr) minmax(0, 1.28fr); }
}

@media (max-width: 900px) {
    .ipub2-hero-layout { grid-template-columns: 1fr; min-height: 0; padding: 154px 0 72px; }
    .ipub2-hero-library { width: min(680px, 100%); justify-self: center; }
    .ipub2-hero-shelf { min-height: 310px; }
    .ipub2-hero-book img { width: min(175px, 118%); }
    .ipub2-section-head--split { grid-template-columns: 1fr; gap: 24px; align-items: start; }
    .ipub2-flagship-card { grid-template-columns: 1fr; }
    .ipub2-flagship-art { min-height: 470px; }
    .ipub2-flagship-copy { padding: 48px 50px 54px; }
    .ipub2-report-grid { grid-template-columns: 1fr; }
    .ipub2-report-chapter--archive { grid-template-columns: 1fr; gap: 30px; }
    .ipub2-report-chapter--archive .ipub2-report-chapter-head { position: static; }
    .ipub2-topic-index { grid-template-columns: 1fr; }
    .ipub2-topic-index a { min-height: 300px; }
    .ipub2-reading-layout { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 640px) {
    .ipub2-hero-copy h1 { font-size: var(--ztc-banner-h1-feature); }
    .ipub2-hero-lead { font-size: var(--ztc-banner-lead); line-height: 1.8; }
    .ipub2-hero-facts { row-gap: 18px; }
    .ipub2-hero-facts div { margin-right: 16px; padding-right: 16px; }
    .ipub2-hero-library { padding-top: 12px; }
    .ipub2-hero-library figcaption { align-items: flex-start; flex-direction: column; gap: 5px; }
    .ipub2-hero-shelf { min-height: 245px; padding-inline: 0; }
    .ipub2-hero-book img { width: min(138px, 122%); }
    .ipub2-section { padding: 76px 0; scroll-margin-top: 112px; }
    .ipub2-section-head { margin-bottom: 40px; }
    .ipub2-section-head h2 { font-size: 31px; }
    .ipub2-section-head > p:last-child,
    .ipub2-section-head--split > p { font-size:16px; line-height: 1.8; }
    .ipub2-shelf { margin-inline: -4px; padding: 22px 14px 30px; }
    .ipub2-shelf-label { align-items: flex-start; flex-direction: column; gap: 7px; }
    .ipub2-shelf-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding-top: 24px; }
    .ipub2-book { padding: 14px 7px 20px; }
    .ipub2-book-visual { min-height: 220px; }
    .ipub2-book-copy { min-height: 150px; padding-top: 16px; }
    .ipub2-book-copy h3 { font-size: 14px; }
    .ipub2-book-copy p { align-items: flex-start; flex-direction: column; }
    .ipub2-book-copy p span { padding: 0; border-left: 0; }
    .ipub2-flagship-art { min-height: 340px; }
    .ipub2-flagship-art img { width: min(295px, 74%); }
    .ipub2-flagship-copy { padding: 34px 28px 40px; }
    .ipub2-flagship-copy h3 { font-size:var(--ztc-fs-h2); }
    .ipub2-report-chapter + .ipub2-report-chapter { margin-top: 68px; }
    .ipub2-report { grid-template-columns: minmax(118px, .7fr) minmax(0, 1.3fr); min-height: 280px; }
    .ipub2-report-cover { padding: 20px 0 20px 8px; }
    .ipub2-report-cover img { width: min(155px, 120%); }
    .ipub2-report-copy { padding: 27px 20px 25px; }
    .ipub2-report-copy h4 { font-size:16px; }
    .ipub2-report-copy p { align-items: flex-start; flex-direction: column; }
    .ipub2-report-copy p em { padding: 0; border-left: 0; }
    .ipub2-archive-item { grid-template-columns: 32px 82px minmax(0, 1fr); gap: 13px; min-height: 136px; }
    .ipub2-archive-cover { width: 82px; height: 102px; }
    .ipub2-archive-cover img { width: 82px; max-height: 98px; }
    .ipub2-archive-copy strong { font-size:14px; }
    .ipub2-archive-item > em { display: none; }
    .ipub2-topic-index a { min-height: 280px; padding: 28px 24px 24px; }
    .ipub2-topic-index a div { margin-top: 42px; }
    .ipub2-topic-index a h3 { font-size:24px; }
    .ipub2-reading-path { padding: 70px 0; }
}

@media (max-width: 390px) {
    .ipub2-hero-actions { align-items: stretch; flex-direction: column; }
    .ipub2-button { width: 100%; }
    .ipub2-shelf-row { grid-template-columns: 1fr; }
    .ipub2-book { padding-inline: 20px; }
    .ipub2-book-visual { min-height: 286px; }
    .ipub2-book-visual img { width: min(235px, 86%); }
    .ipub2-book-copy { min-height: 110px; text-align: center; }
    .ipub2-book-copy p { align-items: center; }
    .ipub2-report { grid-template-columns: minmax(106px, .65fr) minmax(0, 1.35fr); }
    .ipub2-report-copy { padding-inline: 17px; }
}

@media (prefers-reduced-motion: no-preference) {
    .ipub2-hero-book { animation: ipub2-book-breathe 7s ease-in-out infinite; animation-delay: calc(var(--ipub2-book-index) * -1.2s); }
}

@keyframes ipub2-book-breathe {
    0%, 100% { translate: 0 0; }
    50% { translate: 0 -4px; }
}

@media (prefers-reduced-motion: reduce) {
    .ipub2 *,
    .ipub2 *::before,
    .ipub2 *::after { scroll-behavior: auto !important; }
    .ipub2-hero-book { animation: none !important; }
    .ipub2-button,
    .ipub2-book-visual img,
    .ipub2-flagship-art img,
    .ipub2-topic-index a,
    .ipub2-reading-links a { transition: none !important; }
}

a.ipub2-book{display:block;color:inherit;text-decoration:none}a.ipub2-book:hover h3{color:var(--ztc-action)}a.ipub2-book:focus-visible{outline:2px solid var(--ztc-action);outline-offset:5px}