/* ==========================================================
   星欧娱乐 · 星欧平台 —— pages.css
   页面级样式：卷首 / 档案库 / 档案正文阅读 / 联系 / 404
   ========================================================== */

/* ---------------- 卷首：头版 ---------------- */

.xo-hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: end;
  padding-bottom: clamp(26px, 3vw, 40px);
  border-bottom: 1px solid var(--xo-line-2);
  margin-bottom: clamp(26px, 3.5vw, 42px);
}

.xo-hero__title {
  font-size: clamp(2.1rem, 4.4vw, 3.6rem);
  line-height: 1.24;
  letter-spacing: 0.01em;
  margin: 0 0 0.42em;
}

.xo-hero__title span {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.2em;
  letter-spacing: 0.24em;
  color: var(--xo-ink-4);
  margin-bottom: 14px;
  text-transform: uppercase;
}

.xo-hero__lead {
  font-family: var(--f-serif);
  font-size: clamp(0.98rem, 1.3vw, 1.1rem);
  line-height: 1.98;
  color: var(--xo-ink-3);
  max-width: 54ch;
  margin-bottom: 24px;
}

.xo-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.xo-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--xo-line);
}

.xo-hero__facts div {
  min-width: 0;
}

.xo-hero__facts dt {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--xo-ink-4);
  margin-bottom: 4px;
}

.xo-hero__facts dd {
  margin: 0;
  font-family: var(--f-serif);
  font-size: 0.98rem;
  color: var(--xo-ink);
  line-height: 1.5;
}

.xo-hero__figure {
  margin: 0;
  position: relative;
}

.xo-hero__figure img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.04) brightness(0.98);
  border: 1px solid var(--xo-line-2);
}

.xo-hero__figure figcaption {
  margin-top: 10px;
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--xo-ink-4);
  line-height: 1.7;
}

.xo-hero__stamp {
  position: absolute;
  right: 14px;
  bottom: 40px;
  padding: 10px 8px;
  background: rgba(161, 49, 39, 0.9);
  color: #f6e7e0;
  font-family: var(--f-serif);
  font-size: 0.74rem;
  line-height: 1.15;
  letter-spacing: 0.1em;
  writing-mode: vertical-rl;
  border-radius: var(--r-s);
}

/* ---------------- 通告条 ---------------- */

.xo-ticker {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  margin-bottom: clamp(26px, 3.5vw, 44px);
  border-top: 1px solid var(--xo-line);
  border-bottom: 1px solid var(--xo-line);
  font-size: 0.8rem;
  color: var(--xo-ink-3);
  overflow: hidden;
}

.xo-ticker__label {
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--xo-seal);
  padding: 2px 8px;
  border: 1px solid rgba(161, 49, 39, 0.4);
  border-radius: var(--r-s);
}

.xo-ticker ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  white-space: nowrap;
  animation: xo-drift 34s linear infinite;
}

.xo-ticker li {
  margin: 0;
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.xo-ticker li span {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  color: var(--xo-ink-4);
}

@keyframes xo-drift {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-32%);
  }
}

/* ---------------- 卷首语 ---------------- */

.xo-preface {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: clamp(18px, 3vw, 36px);
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--xo-line);
  margin-bottom: clamp(30px, 4vw, 52px);
}

.xo-preface__label {
  font-family: var(--f-serif);
  font-size: 1.06rem;
  color: var(--xo-seal);
  letter-spacing: 0.2em;
  writing-mode: vertical-rl;
  text-orientation: upright;
  border-right: 1px solid var(--xo-line-2);
  padding-right: 18px;
  height: fit-content;
}

.xo-preface__body {
  font-family: var(--f-serif);
  font-size: clamp(0.96rem, 1.25vw, 1.06rem);
  line-height: 2.1;
  color: var(--xo-ink-2);
}

.xo-preface__body p:last-child {
  margin-bottom: 0;
}

.xo-preface__sign {
  display: block;
  margin-top: 14px;
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--xo-ink-4);
}

/* ---------------- 档案库列表 ---------------- */

.xo-archive-grid .xo-card[hidden] {
  display: none;
}

.xo-archive-note {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 18px;
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--xo-ink-4);
}

/* ---------------- 档案正文 ---------------- */

.xo-page-head--article {
  border-bottom: 0;
  margin-bottom: 26px;
  padding-bottom: 0;
}

.xo-page-head--article::after {
  display: none;
}

.xo-page-head--article .xo-title {
  max-width: 30ch;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.xo-figure {
  margin: 0 0 clamp(26px, 3.5vw, 40px);
}

.xo-figure img {
  width: 100%;
  border: 1px solid var(--xo-line-2);
  filter: saturate(0.72) contrast(1.03);
}

.xo-figure figcaption {
  margin-top: 10px;
  display: flex;
  gap: 10px;
  font-size: 0.72rem;
  color: var(--xo-ink-4);
  line-height: 1.7;
}

.xo-figure figcaption span {
  font-family: var(--f-mono);
  letter-spacing: 0.1em;
  color: var(--xo-seal);
  flex: 0 0 auto;
}

.xo-reading {
  display: grid;
  grid-template-columns: 208px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.xo-reading__side {
  position: sticky;
  top: 28px;
}

.xo-toc {
  border-top: 1px solid var(--xo-line-2);
  padding-top: 14px;
  margin-bottom: 22px;
}

.xo-toc__title,
.xo-sidenote__title {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--xo-ink-4);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.xo-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.78rem;
  line-height: 1.6;
}

.xo-toc__list li {
  margin: 0 0 8px;
  padding-left: 12px;
  position: relative;
}

.xo-toc__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 5px;
  height: 1px;
  background: var(--xo-line-2);
}

.xo-toc__list a {
  border-bottom: 0;
  color: var(--xo-ink-3);
}

.xo-toc__list a.is-on {
  color: var(--xo-seal);
}

.xo-toc__list a.is-on::after {
  content: "";
}

.xo-sidenote {
  padding: 14px 16px;
  background: rgba(162, 132, 74, 0.07);
  border: 1px solid var(--xo-line);
  border-radius: var(--r-s);
  font-size: 0.76rem;
  line-height: 1.8;
  color: var(--xo-ink-3);
}

.xo-sidenote p:last-child {
  margin: 0;
}

/* 正文排版 */
.xo-prose {
  max-width: 40em;
  font-size: 1.005rem;
  line-height: 2.06;
  color: var(--xo-ink-2);
}

.xo-prose > p:first-of-type::first-letter {
  float: left;
  font-family: var(--f-serif);
  font-size: 3.1em;
  line-height: 0.92;
  padding: 6px 10px 0 0;
  color: var(--xo-seal);
}

.xo-prose h2 {
  font-size: clamp(1.2rem, 1.8vw, 1.44rem);
  margin: 2.1em 0 0.7em;
  padding-left: 14px;
  border-left: 2px solid var(--xo-seal);
  scroll-margin-top: 90px;
}

.xo-prose h3 {
  font-size: 1.06rem;
  margin: 1.7em 0 0.5em;
}

.xo-prose p {
  margin: 0 0 1.12em;
  text-align: justify;
  text-justify: inter-ideograph;
}

.xo-prose ul,
.xo-prose ol {
  padding-left: 1.35em;
  margin-bottom: 1.2em;
}

.xo-prose li {
  margin: 0.35em 0;
}

.xo-prose strong {
  font-weight: 600;
  background: linear-gradient(transparent 62%, rgba(162, 132, 74, 0.24) 62%);
}

.xo-prose a {
  border-bottom-color: rgba(161, 49, 39, 0.4);
}

.xo-prose blockquote {
  margin: 1.8em 0;
  padding: 2px 0 2px 20px;
  border-left: 2px solid var(--xo-brass);
  font-family: var(--f-serif);
  color: var(--xo-ink-2);
}

.xo-prose blockquote p {
  margin-bottom: 0.4em;
}

.xo-prose blockquote cite {
  display: block;
  font-family: var(--f-sans);
  font-size: 0.76rem;
  font-style: normal;
  color: var(--xo-ink-4);
}

.xo-sources {
  margin-top: 2.6em;
  padding-top: 20px;
  border-top: 1px solid var(--xo-line-2);
}

.xo-sources h2 {
  border: 0;
  padding-left: 0;
  margin-top: 0;
  font-size: 1.1rem;
}

.xo-sources ol,
.xo-sources ul {
  font-size: 0.84rem;
  color: var(--xo-ink-3);
  line-height: 1.9;
}

.xo-sources li span {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  color: var(--xo-ink-4);
  margin-right: 8px;
}

.xo-article__foot {
  margin-top: clamp(30px, 4vw, 48px);
  padding-top: 22px;
  border-top: 1px solid var(--xo-line-2);
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 22px 36px;
}

.xo-author {
  display: flex;
  gap: 12px;
  align-items: center;
}

.xo-author__seal {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border: 1px solid rgba(161, 49, 39, 0.5);
  border-radius: var(--r-s);
  font-family: var(--f-serif);
  font-size: 0.72rem;
  color: var(--xo-seal);
  writing-mode: vertical-rl;
  text-orientation: upright;
  background: rgba(161, 49, 39, 0.06);
}

.xo-author__name {
  font-family: var(--f-serif);
  margin: 0 0 2px;
  color: var(--xo-ink);
}

.xo-author__meta {
  margin: 0;
  font-size: 0.74rem;
  color: var(--xo-ink-4);
}

.xo-cite,
.xo-revisions {
  font-size: 0.76rem;
  color: var(--xo-ink-4);
  line-height: 1.8;
}

.xo-cite p,
.xo-revisions ul {
  margin: 0;
}

.xo-cite__title,
.xo-revisions__title {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--xo-ink-4);
  margin: 0 0 6px;
}

.xo-revisions ul {
  list-style: none;
  padding: 0;
}

.xo-revisions li span {
  color: var(--xo-seal);
  margin-right: 10px;
  font-family: var(--f-mono);
}

.xo-pager {
  margin-top: clamp(26px, 3vw, 40px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  border-top: 1px solid var(--xo-line-2);
  padding-top: 22px;
}

.xo-pager__item {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--xo-line);
  border-radius: var(--r-s);
  border-bottom-width: 1px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.xo-pager__item:hover {
  border-color: rgba(161, 49, 39, 0.45);
  background: rgba(255, 253, 247, 0.7);
}

.xo-pager__dir {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--xo-ink-4);
  margin-bottom: 6px;
}

.xo-pager__item strong {
  font-family: var(--f-serif);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.5;
}

.xo-pager__item--next {
  text-align: right;
}

.xo-pager__item--all {
  text-align: center;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-inline: 22px;
}

.xo-pager__item--all strong {
  color: var(--xo-seal);
}

/* ---------------- 联系页 ---------------- */

.xo-contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

.xo-contact__card {
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--xo-line-2);
  border-radius: var(--r-s);
  background: rgba(255, 253, 247, 0.55);
}

.xo-contact__card h2 {
  font-size: 1.16rem;
  margin-bottom: 14px;
}

.xo-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
}

.xo-contact__list li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--xo-line);
}

.xo-contact__list li:last-child {
  border-bottom: 0;
}

.xo-contact__list span {
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--xo-ink-4);
  padding-top: 3px;
}

.xo-checklist {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  font-size: 0.87rem;
  color: var(--xo-ink-3);
}

.xo-checklist li {
  position: relative;
  padding-left: 26px;
  margin: 10px 0;
  line-height: 1.8;
}

.xo-checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--f-mono);
  font-size: 0.8rem;
  color: var(--xo-seal);
}

.xo-mail {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  padding: 10px 16px;
  border: 1px solid var(--xo-line-2);
  border-radius: var(--r-s);
  background: var(--xo-paper-2);
}

/* ---------------- 404 ---------------- */

.xo-404 {
  min-height: 52vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px 0;
}

.xo-404__num {
  font-family: var(--f-serif);
  font-size: clamp(4rem, 14vw, 9rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--xo-line-2);
  margin: 0;
}

.xo-404 h1 {
  margin: 10px 0 12px;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
}

.xo-404 p {
  color: var(--xo-ink-3);
  max-width: 46ch;
  margin: 0 auto 24px;
}

.xo-404__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* ---------------- 断点 ---------------- */

@media (max-width: 980px) {
  .xo-hero {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .xo-hero__figure img {
    aspect-ratio: 16 / 10;
  }

  .xo-reading {
    grid-template-columns: 1fr;
  }

  .xo-reading__side {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--xo-line);
  }

  .xo-toc {
    margin-bottom: 0;
  }

  .xo-pager {
    grid-template-columns: 1fr;
  }

  .xo-pager__item--next,
  .xo-pager__item--all {
    text-align: left;
  }

  .xo-contact {
    grid-template-columns: 1fr;
  }

  .xo-article__foot {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .xo-hero__facts {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .xo-preface {
    grid-template-columns: 1fr;
  }

  .xo-preface__label {
    writing-mode: horizontal-tb;
    border-right: 0;
    border-left: 2px solid var(--xo-seal);
    padding: 0 0 0 12px;
  }

  .xo-reading__side {
    grid-template-columns: 1fr;
  }

  .xo-prose {
    font-size: 0.96rem;
    line-height: 1.98;
  }

  .xo-ticker ul {
    animation: none;
    flex-wrap: wrap;
    white-space: normal;
    gap: 12px;
  }
}