.page-disclaimer {
  --page-gutter: clamp(1.25rem, 4vw, 3rem);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ===== 封面区 ===== */
.notice-cover {
  position: relative;
  background: var(--paper);
  padding: 1.5rem 0 2.5rem;
  overflow: hidden;
}

.notice-cover::before {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 0.7rem;
  background: linear-gradient(90deg, var(--kiwi-bright) 0 25%, var(--yellow) 25% 50%, var(--ink) 50% 75%, var(--card) 75% 100%);
  pointer-events: none;
}

.notice-cover__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.2rem var(--page-gutter) 0;
}

.notice-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--gray-ink);
  margin-bottom: 1.5rem;
}

.notice-breadcrumb a {
  color: var(--kiwi-dark);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.notice-breadcrumb a:hover {
  text-decoration: underline;
  color: var(--ink);
}

.notice-cover__overline {
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kiwi-dark);
  margin: 0 0 0.3rem;
}

.notice-cover__title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 0 0 0.7rem;
}

.notice-cover__title::after {
  content: "";
  display: block;
  width: 5rem;
  height: 0.5rem;
  margin-top: 0.5rem;
  background: linear-gradient(90deg, var(--yellow) 0 55%, var(--kiwi-bright) 55% 100%);
}

.notice-cover__description {
  max-width: 62ch;
  font-size: clamp(1rem, 2.2vw, 1.16rem);
  color: var(--gray-ink);
  margin: 0;
}

.notice-cover__side {
  display: grid;
  gap: 1.5rem;
  align-content: start;
  justify-items: start;
  margin-top: 1.8rem;
}

.notice-cover__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 0.6rem;
  width: 100%;
}

.cover-fact {
  background: var(--card);
  border: 1px solid var(--edge);
  border-left: 4px solid var(--kiwi-bright);
  padding: 0.65rem 0.95rem;
}

.cover-fact__num {
  display: block;
  font-family: var(--font-data);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--kiwi-dark);
}

.cover-fact__label {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--gray-ink);
}

.notice-cover__seal {
  margin: 0;
  padding: 0.35rem;
  border: 2px solid var(--ink);
  outline: 1px dashed var(--kiwi-dark);
  outline-offset: 4px;
  background: var(--card);
}

.notice-cover__seal img {
  display: block;
  width: min(480px, 100%);
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

/* ===== 目录 ===== */
.notice-toc {
  background: var(--dark-block);
}

.notice-toc__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.85rem var(--page-gutter);
  display: flex;
  gap: 0.55rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.notice-toc__inner::-webkit-scrollbar {
  display: none;
}

.toc-chip {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--kiwi-bright);
  padding: 0.35rem 0.8rem 0.4rem;
  background: transparent;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.toc-chip:hover,
.toc-chip:focus-visible {
  background: var(--kiwi-bright);
  color: var(--ink);
  border-color: var(--kiwi-bright);
}

.toc-chip--ghost {
  border-color: var(--yellow);
  color: var(--yellow);
  border-style: dashed;
}

.toc-chip--ghost:hover,
.toc-chip--ghost:focus-visible {
  background: var(--yellow);
  color: var(--ink);
  border-style: solid;
}

/* ===== 正文整体 ===== */
.notice-document {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) var(--page-gutter) 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}

/* ===== 侧栏 ===== */
.notice-document__rail {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.rail-card {
  position: relative;
  background: var(--dark-block);
  color: var(--paper);
  padding: 1.5rem 1.4rem 1.4rem;
  -webkit-clip-path: polygon(0 10px, 10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  clip-path: polygon(0 10px, 10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.rail-card::before {
  content: "";
  position: absolute;
  top: 1rem;
  left: 0;
  width: 4px;
  height: calc(100% - 2rem);
  background: var(--yellow);
}

.rail-card__label {
  display: block;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kiwi-bright);
}

.rail-card__version {
  display: inline-block;
  margin: 0.5rem 0 0.6rem;
  font-family: var(--font-data);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--yellow);
  border: 1px dashed rgba(255, 214, 50, 0.6);
  padding: 0.3rem 0.6rem 0.35rem;
}

.rail-card__text {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(242, 232, 213, 0.8);
}

.rail-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--yellow);
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 1px solid var(--yellow);
  padding-bottom: 0.15rem;
  transition: opacity 0.25s var(--ease);
}

.rail-card__link::after {
  content: "→";
  transition: transform 0.25s var(--ease);
}

.rail-card__link:hover::after {
  transform: translateX(4px);
}

.rail-meta {
  display: grid;
  gap: 0.4rem;
}

.rail-meta__item {
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--edge);
  font-size: 0.8rem;
  color: var(--gray-ink);
}

/* ===== 章节 ===== */
.notice-document__main {
  max-width: 70ch;
}

.notice-section {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 1rem 1.25rem;
  padding: 2.2rem 0 2rem;
  border-bottom: 1px dashed var(--edge);
  scroll-margin-top: 5rem;
}

.notice-section__num {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  font-family: var(--font-data);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--kiwi-bright);
  border: 2px solid var(--ink);
  transform: rotate(-8deg);
  margin-top: 0.4rem;
}

.notice-section__body h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.2vw, 1.8rem);
  line-height: 1.35;
  margin: 0 0 0.8rem;
}

.notice-section__body h2::after {
  content: "";
  display: block;
  width: 5rem;
  margin-top: 0.45rem;
  border-top: 4px dashed var(--kiwi-bright);
}

.notice-section__body p {
  margin: 0.9rem 0;
}

.notice-section__body strong {
  color: var(--kiwi-dark);
  font-weight: 700;
}

.notice-list {
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}

.notice-list li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.4rem;
}

.notice-list li::before {
  content: "";
  position: absolute;
  top: 1.05rem;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--kiwi-bright);
  transform: rotate(45deg);
}

.notice-alert {
  position: relative;
  margin: 1.4rem 0;
  padding: 1.2rem 1.4rem 1.3rem;
  background: var(--card);
  border: 2px solid var(--tomato);
  -webkit-clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.notice-alert__tag {
  display: inline-block;
  margin-bottom: 0.55rem;
  padding: 0.1rem 0.45rem;
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--tomato);
  border: 1px solid var(--tomato);
}

.notice-alert p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== 联系卡片 ===== */
.notice-contact-card {
  margin-top: 1.5rem;
  padding: 1.6rem 1.5rem;
  background: var(--card);
  border: 1px solid var(--edge);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.04);
}

.contact-list {
  margin: 0;
  padding: 0;
}

.contact-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
  padding: 0.65rem 0;
  border-bottom: 1px dashed var(--edge);
}

.contact-item:last-child {
  border-bottom: 0;
}

.contact-item dt {
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--kiwi-dark);
  text-transform: uppercase;
}

.contact-item dd {
  margin: 0;
  font-weight: 500;
  color: var(--ink);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1.1rem;
  color: var(--kiwi-dark);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--yellow);
  padding-bottom: 0.1rem;
  transition: color 0.25s var(--ease);
}

.contact-link::after {
  content: "→";
  transition: transform 0.25s var(--ease);
}

.contact-link:hover {
  color: var(--ink);
}

.contact-link:hover::after {
  transform: translateX(4px);
}

/* ===== 说明页脚行 ===== */
.notice-footer {
  margin-top: clamp(3rem, 7vw, 5rem);
  background: var(--ink);
}

.notice-footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2.2rem var(--page-gutter);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.notice-footer__text {
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: rgba(242, 232, 213, 0.8);
  margin: 0;
}

.notice-footer__back {
  color: var(--yellow);
  text-decoration: none;
  font-size: 0.85rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}

.notice-footer__back:hover {
  border-bottom-color: var(--yellow);
}

/* ===== 桌面布局增强 ===== */
@media (min-width: 768px) {
  .notice-cover__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    gap: 1.5rem 3rem;
  }

  .notice-breadcrumb {
    grid-column: 1 / -1;
    margin-bottom: 0.5rem;
  }

  .notice-cover__side {
    grid-column: 2;
    grid-row: 2;
    margin-top: 0;
  }

  .notice-cover__facts {
    grid-template-columns: 1fr;
  }

  .notice-cover__seal {
    justify-self: start;
  }

  .contact-item {
    grid-template-columns: 8rem 1fr;
  }
}

@media (min-width: 1000px) {
  .notice-document {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 3.5rem;
  }

  .notice-document__rail {
    position: sticky;
    top: 2rem;
  }
}