.page-home {
  --home-line: rgba(10, 27, 46, 0.14);
  --home-cyan-soft: rgba(53, 224, 212, 0.18);
  background-color: var(--paper-100);
  color: var(--ink-900);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.page-home .home-opening {
  padding-top: clamp(32px, 5vw, 64px);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 34px,
    rgba(10, 27, 46, 0.035) 34px,
    rgba(10, 27, 46, 0.035) 35px
  );
}

/* ---------- 页面上下文 ---------- */
.page-home .page-context {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 28px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--home-line);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-500);
}

.page-home .page-context__sep {
  color: var(--action-500);
}

/* ---------- 首屏 ---------- */
.page-home .opening {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-home .opening__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.page-home .opening__kicker::before {
  content: "";
  flex: none;
  width: 30px;
  height: 2px;
  background-color: var(--action-500);
}

.page-home .opening__title {
  margin: 0 0 20px;
  max-width: 15ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-home .opening__lede {
  margin: 0 0 28px;
  max-width: 42ch;
  font-size: var(--text-body);
  line-height: 1.85;
  color: var(--ink-700);
}

.page-home .opening__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .opening__jump {
  margin: 20px 0 0;
  font-size: 14px;
}

.page-home .opening__jump .arrow-link {
  color: var(--ink-700);
}

/* ---------- 首屏右侧参数栏 ---------- */
.page-home .opening__rail {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-home .media__frame {
  overflow: hidden;
  border: 2px solid var(--ink-900);
  background-color: var(--ink-700);
  aspect-ratio: 16 / 9;
}

.page-home .media__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-home .media__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-500);
}

.page-home .media--square .media__frame {
  aspect-ratio: 4 / 3;
}

.page-home .media--wide .media__frame {
  aspect-ratio: 3 / 1;
}

.page-home .opening__spec {
  margin: 0;
  border-top: 2px solid var(--ink-900);
}

.page-home .spec__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--home-line);
}

.page-home .spec__key {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-700);
}

.page-home .spec__val {
  margin: 0;
  flex: none;
  font-size: 15px;
  font-weight: 700;
  text-align: right;
  color: var(--ink-900);
}

/* ---------- 目录 ---------- */
.page-home .dir {
  margin-top: clamp(48px, 6vw, 72px);
  border-top: 2px solid var(--ink-900);
}

.page-home .dir__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-home .dir__item {
  border-bottom: 1px solid var(--home-line);
}

.page-home .dir__link {
  display: grid;
  gap: 8px;
  padding: 20px 16px 22px;
  border-left: 4px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.page-home .dir__link:hover,
.page-home .dir__link:focus-visible {
  background-color: var(--path-200);
  border-left-color: var(--action-500);
}

.page-home .dir__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-home .dir__num {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-500);
}

.page-home .dir__arrow {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--action-500);
  transition: transform 0.18s ease;
}

.page-home .dir__link:hover .dir__arrow,
.page-home .dir__link:focus-visible .dir__arrow {
  transform: translateX(4px);
}

.page-home .dir__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-home .dir__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-700);
}

/* ---------- 公告速览 ---------- */
.page-home .home-notices {
  background-color: var(--paper-100);
}

.page-home .notices__figure {
  margin: 32px 0 0;
}

.page-home .notices__list {
  margin-top: 32px;
  border-top: 2px solid var(--ink-900);
}

.page-home .notice {
  border-bottom: 1px solid var(--home-line);
}

.page-home .notice__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "num tag toggle"
    "title title title"
    "time time time";
  gap: 10px 12px;
  align-items: center;
  padding: 18px 8px;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.18s ease;
}

.page-home .notice__summary::-webkit-details-marker {
  display: none;
}

.page-home .notice__summary:hover {
  background-color: rgba(168, 241, 234, 0.32);
}

.page-home .notice__summary:focus-visible {
  outline: 2px solid var(--action-500);
  outline-offset: 2px;
}

.page-home .notice__num {
  grid-area: num;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-500);
}

.page-home .notice__summary .tag {
  grid-area: tag;
  justify-self: start;
}

.page-home .notice__time {
  grid-area: time;
  font-size: 12px;
  color: var(--ink-500);
}

.page-home .notice__title {
  grid-area: title;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-home .notice__toggle {
  grid-area: toggle;
  position: relative;
  width: 22px;
  height: 22px;
  border: 2px solid var(--ink-900);
}

.page-home .notice__toggle::before,
.page-home .notice__toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background-color: var(--ink-900);
}

.page-home .notice__toggle::before {
  width: 10px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-home .notice__toggle::after {
  width: 2px;
  height: 10px;
  transform: translate(-50%, -50%);
  transition: opacity 0.18s ease;
}

.page-home .notice[open] .notice__toggle::after {
  opacity: 0;
}

.page-home .notice__body {
  padding: 0 8px 20px 8px;
}

.page-home .notice__body p {
  margin: 0;
  max-width: 64ch;
  padding-left: 14px;
  border-left: 3px solid var(--path-400);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-home .notices__more {
  margin: 28px 0 0;
  font-size: 14px;
}

/* ---------- 专区步骤 ---------- */
.page-home .home-path {
  background-color: var(--ink-700);
  color: var(--paper-100);
}

.page-home .home-path .section-num {
  background-color: var(--path-400);
  color: var(--ink-900);
}

.page-home .home-path .section-kicker {
  color: var(--path-200);
}

.page-home .home-path .section-title {
  color: var(--paper-100);
}

.page-home .home-path .section-lede {
  color: rgba(245, 238, 226, 0.78);
}

.page-home .path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
  margin-top: 36px;
}

.page-home .path__figure {
  margin: 0;
}

.page-home .path__figure .media__frame {
  border-color: var(--path-400);
  background-color: var(--ink-900);
}

.page-home .path__figure .media__cap {
  color: var(--path-200);
}

.page-home .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-home .steps__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 16px;
  padding: 20px 0;
  border-top: 1px solid rgba(245, 238, 226, 0.22);
}

.page-home .steps__item:last-child {
  border-bottom: 1px solid rgba(245, 238, 226, 0.22);
}

.page-home .steps__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--path-200);
  font-size: 14px;
  font-weight: 700;
  color: var(--paper-100);
}

.page-home .steps__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper-100);
}

.page-home .steps__text {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 238, 226, 0.76);
}

.page-home .steps__item--key {
  padding-left: 16px;
  border-left: 4px solid var(--action-500);
  background-image: linear-gradient(90deg, var(--home-cyan-soft), rgba(53, 224, 212, 0) 78%);
}

.page-home .steps__item--key .steps__num {
  border-color: var(--path-400);
  background-color: var(--path-400);
  color: var(--ink-900);
}

.page-home .path__more {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 32px 0 0;
}

.page-home .btn--ghost-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 2px solid var(--path-400);
  background-color: transparent;
  color: var(--path-200);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-home .btn--ghost-dark:hover,
.page-home .btn--ghost-dark:focus-visible {
  background-color: var(--path-400);
  color: var(--ink-900);
}

/* ---------- 权益与订阅 ---------- */
.page-home .benefits {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 32px;
}

.page-home .benefits__card {
  padding: 22px 20px 24px;
  border: 2px solid var(--ink-900);
  background-color: var(--paper-100);
  box-shadow: var(--shadow-soft);
}

.page-home .benefits__card--rights {
  border-left: 6px solid var(--action-500);
}

.page-home .benefits__card--subs {
  border-left: 6px solid var(--path-400);
}

.page-home .benefits__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-500);
}

.page-home .benefits__head {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink-900);
}

.page-home .benefits__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-home .benefits__list li {
  position: relative;
  padding: 8px 0 8px 20px;
  border-bottom: 1px solid var(--home-line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-home .benefits__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 2px;
  background-color: var(--action-500);
}

.page-home .benefits__figure {
  margin: 0;
}

.page-home .benefits__figure .media__frame {
  aspect-ratio: 3 / 2;
}

/* ---------- 版本对照 ---------- */
.page-home .home-compare {
  background-color: var(--paper-100);
}

.page-home .compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 32px;
}

.page-home .compare__col {
  padding: 24px 20px;
  border: 2px solid var(--ink-900);
  background-color: var(--paper-100);
}

.page-home .compare__col--old {
  background-color: rgba(226, 213, 191, 0.5);
}

.page-home .compare__col--new {
  border-left: 6px solid var(--path-400);
  box-shadow: var(--shadow-hard);
}

.page-home .compare__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-500);
}

.page-home .compare__steps {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 12px;
}

.page-home .compare__value {
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink-900);
}

.page-home .compare__col--new .compare__value {
  color: var(--ink-700);
}

.page-home .compare__unit {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-500);
}

.page-home .compare__note {
  margin: 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-home .compare__arrow {
  align-self: center;
  justify-self: center;
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--action-500);
  transform: rotate(90deg);
}

.page-home .compare__foot {
  margin: 32px 0 0;
}

/* ---------- 咨询通道 ---------- */
.page-home .home-help {
  background-color: var(--ink-900);
  color: var(--paper-100);
}

.page-home .help {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-home .help__kicker {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  background-color: var(--path-400);
  color: var(--ink-900);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-home .help__title {
  margin: 0 0 14px;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.24;
  color: var(--paper-100);
}

.page-home .help__text {
  margin: 0 0 24px;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 238, 226, 0.76);
}

.page-home .help__list {
  margin: 0;
  border-top: 2px solid var(--path-400);
}

.page-home .help__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(245, 238, 226, 0.18);
}

.page-home .help__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--path-200);
}

.page-home .help__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper-100);
  word-break: break-word;
}

/* ---------- 窄屏修正 ---------- */
@media (max-width: 360px) {
  .page-home .notice__summary {
    padding-inline: 4px;
  }

  .page-home .compare__value {
    font-size: 42px;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-home .dir__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .dir__item {
    border-bottom: none;
    border-top: 1px solid var(--home-line);
  }

  .page-home .dir__item + .dir__item {
    border-left: 1px solid var(--home-line);
  }

  .page-home .notice__summary {
    grid-template-columns: auto auto minmax(0, 1fr) auto auto;
    grid-template-areas: "num tag title time toggle";
    gap: 16px;
    align-items: center;
    padding: 20px 12px;
  }

  .page-home .compare {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: stretch;
    gap: 20px;
  }

  .page-home .compare__arrow {
    transform: none;
  }

  .page-home .help__row {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-home .opening {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 64px;
  }

  .page-home .opening__title {
    max-width: 16ch;
  }

  .page-home .path-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 56px;
  }

  .page-home .path__figure {
    position: sticky;
    top: 32px;
  }

  .page-home .benefits {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "rights figure"
      "subs figure";
    gap: 24px 32px;
    align-items: start;
  }

  .page-home .benefits__card--rights {
    grid-area: rights;
  }

  .page-home .benefits__card--subs {
    grid-area: subs;
  }

  .page-home .benefits__figure {
    grid-area: figure;
    display: flex;
    flex-direction: column;
  }

  .page-home .benefits__figure .media__frame {
    flex: 1;
    aspect-ratio: auto;
    min-height: 320px;
  }

  .page-home .help {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 64px;
    align-items: start;
  }
}

/* ---------- 桌面端焦点与动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .dir__link,
  .page-home .dir__arrow,
  .page-home .notice__summary,
  .page-home .notice__toggle::after,
  .page-home .btn--ghost-dark {
    transition: none;
  }

  .page-home .dir__link:hover .dir__arrow,
  .page-home .dir__link:focus-visible .dir__arrow {
    transform: none;
  }
}
<<<END>>>