.page-home {
  --ph-hair: rgba(42, 74, 107, .40);
  --ph-hair-soft: rgba(42, 74, 107, .18);
  background: var(--paper-050);
  color: var(--ink-900);
  font-family: var(--font-ui);
  overflow-x: clip;
  padding-bottom: clamp(40px, 6vw, 88px);

  .crumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: var(--fs-13);
    color: var(--gray-600);
    margin: 0 0 18px;
  }

  .crumb a {
    color: var(--cyan-700);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 128, 107, .35);
  }

  .section-head {
    margin: 0 0 clamp(24px, 3vw, 40px);
  }

  .section-num {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--fs-32);
    font-weight: 700;
    line-height: 1;
    color: var(--orange-500);
    margin-bottom: 14px;
  }

  .section-title {
    font-family: var(--font-display);
    font-size: var(--fs-44);
    line-height: 1.12;
    margin: 0 0 14px;
  }

  .section-lead {
    margin: 0;
    max-width: 34em;
    font-size: var(--fs-17);
    line-height: 1.75;
    color: var(--gray-600);
  }

  /* ---------- 首屏 ---------- */
  .hero {
    padding: clamp(24px, 4vw, 48px) 0 clamp(40px, 6vw, 76px);
  }

  .hero__grid {
    display: grid;
    gap: clamp(26px, 4vw, 52px);
  }

  .hero__title {
    font-family: var(--font-display);
    font-size: var(--fs-64);
    line-height: 1.04;
    letter-spacing: -0.01em;
    margin: 0 0 18px;
    max-width: 13em;
  }

  .hero__lead {
    margin: 0 0 24px;
    max-width: 32em;
    font-size: var(--fs-17);
    line-height: 1.8;
    color: var(--gray-600);
  }

  .retrieval {
    background: var(--white);
    border: 1px solid var(--ph-hair-soft);
    border-radius: var(--r-card);
    padding: 16px 16px 14px;
    max-width: 34em;
  }

  .retrieval__label {
    display: block;
    font-size: var(--fs-13);
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--ink-500);
    margin-bottom: 6px;
  }

  .retrieval__field {
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid var(--ink-900);
    padding: 4px 2px 9px;
    transition: border-color .18s var(--ease);
  }

  .retrieval__field:focus-within {
    border-bottom-color: var(--cyan-400);
  }

  .retrieval__icon {
    font-size: var(--fs-19);
    color: var(--cyan-700);
    line-height: 1;
  }

  .retrieval__input {
    flex: 1 1 auto;
    min-width: 0;
    border: 0;
    background: transparent;
    font-family: var(--font-ui);
    font-size: var(--fs-17);
    color: var(--ink-900);
    padding: 2px 0;
  }

  .retrieval__input:focus {
    outline: 2px solid var(--cyan-400);
    outline-offset: 4px;
    border-radius: 4px;
  }

  .retrieval__input::placeholder {
    color: var(--gray-600);
    opacity: .85;
  }

  .retrieval__hints {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
    margin: 12px 0 0;
    font-size: var(--fs-13);
    color: var(--gray-600);
  }

  .retrieval__hints-tag {
    font-weight: 700;
    letter-spacing: .06em;
    color: var(--ink-500);
  }

  .retrieval__hints a {
    color: var(--cyan-700);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 128, 107, .35);
    padding-bottom: 1px;
  }

  .retrieval__hints a:hover,
  .retrieval__hints a:focus-visible {
    border-bottom-color: var(--cyan-700);
  }

  .hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
  }

  .hero__visual {
    position: relative;
    border-radius: 26px 26px 26px 8px;
    overflow: hidden;
    background: var(--ink-900);
    isolation: isolate;
  }

  .hero__visual img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: cover;
    aspect-ratio: 6 / 7;
  }

  .hero__visual::after {
    content: "";
    position: absolute;
    inset: auto -30% -42% auto;
    width: 74%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 229, 192, .22), rgba(0, 229, 192, 0) 70%);
    pointer-events: none;
  }

  .hero__scale {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 46%;
    height: 4px;
    background: linear-gradient(90deg, var(--cyan-400), var(--orange-500));
    border-radius: 0 4px 0 0;
  }

  /* ---------- 三条路径 ---------- */
  .paths {
    padding: clamp(44px, 6vw, 84px) 0 clamp(30px, 4vw, 54px);
  }

  .paths__list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--ph-hair);
  }

  .paths__item {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 4px 14px;
    padding: 22px 4px;
    border-bottom: 1px solid var(--ph-hair);
  }

  .paths__num {
    font-family: var(--font-mono);
    font-size: var(--fs-24);
    font-weight: 700;
    line-height: 1;
    color: var(--orange-500);
  }

  .paths__body {
    min-width: 0;
  }

  .paths__title {
    margin: 0 0 8px;
    font-size: var(--fs-24);
    font-weight: 700;
    line-height: 1.3;
  }

  .paths__text {
    margin: 0;
    max-width: 40em;
    font-size: var(--fs-15);
    line-height: 1.8;
    color: var(--gray-600);
  }

  .paths__link {
    grid-column: 2;
    justify-self: start;
    font-size: var(--fs-15);
    font-weight: 700;
    color: var(--cyan-700);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 128, 107, .4);
    padding-bottom: 2px;
    white-space: nowrap;
  }

  .paths__link:hover,
  .paths__link:focus-visible {
    color: var(--orange-700);
    border-bottom-color: var(--orange-700);
  }

  /* ---------- 栏目台账 ---------- */
  .index {
    padding: clamp(30px, 4vw, 54px) 0;
  }

  .index__grid {
    display: grid;
    gap: clamp(24px, 3vw, 34px);
  }

  .index__figure {
    margin: 0;
  }

  .index__figure img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 20px 20px 20px 6px;
    object-fit: cover;
  }

  .index__figure figcaption {
    margin-top: 10px;
    font-size: var(--fs-13);
    line-height: 1.6;
    color: var(--gray-600);
  }

  .index__list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--ph-hair);
    min-width: 0;
  }

  .index__row {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 4px 12px;
    padding: 13px 10px 13px 10px;
    border-bottom: 1px solid var(--ph-hair-soft);
    border-left: 3px solid transparent;
    transition: background-color .18s var(--ease), border-left-color .18s var(--ease);
  }

  .index__row:hover,
  .index__row:focus-within {
    background: var(--paper-100);
    border-left-color: var(--cyan-400);
  }

  .index__no {
    font-family: var(--font-mono);
    font-size: var(--fs-15);
    font-weight: 700;
    color: var(--cyan-700);
    line-height: 1.5;
  }

  .index__name {
    font-size: var(--fs-17);
    font-weight: 700;
    line-height: 1.5;
  }

  .index__desc {
    grid-column: 2;
    font-size: var(--fs-13);
    line-height: 1.65;
    color: var(--gray-600);
  }

  /* ---------- 版本说明 ---------- */
  .release {
    padding: clamp(30px, 4vw, 54px) 0;
  }

  .release__card {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    background: var(--ink-900);
    color: var(--paper-050);
    isolation: isolate;
  }

  .release__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .5;
    z-index: 0;
  }

  .release__card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, rgba(11, 26, 46, .97) 0%, rgba(11, 26, 46, .88) 46%, rgba(22, 48, 79, .62) 100%);
    z-index: 1;
  }

  .release__inner {
    position: relative;
    z-index: 2;
    padding: clamp(24px, 4vw, 52px);
    max-width: 46em;
  }

  .release__title {
    color: var(--paper-050);
    margin: 14px 0 12px;
  }

  .release__lead {
    margin: 0 0 22px;
    max-width: 34em;
    font-size: var(--fs-15);
    line-height: 1.85;
    color: rgba(245, 247, 249, .78);
  }

  .release__list {
    list-style: none;
    margin: 0 0 26px;
    padding: 0;
    border-top: 1px solid rgba(245, 247, 249, .18);
  }

  .release__list li {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(245, 247, 249, .14);
    font-size: var(--fs-15);
    line-height: 1.75;
    color: rgba(245, 247, 249, .9);
  }

  .release__k {
    font-family: var(--font-mono);
    font-size: var(--fs-13);
    font-weight: 700;
    color: var(--cyan-400);
    line-height: 1.9;
  }

  .release__cta {
    align-self: flex-start;
  }

  /* ---------- 规模台账 ---------- */
  .scale {
    padding: clamp(30px, 4vw, 54px) 0;
  }

  .scale .ledger {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    list-style: none;
    margin: 0;
    padding: 0;
    background: var(--ph-hair);
    border: 1px solid var(--ph-hair);
    border-radius: var(--r-card);
    overflow: hidden;
  }

  .ledger-item {
    background: var(--white);
    padding: 20px 16px 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
  }

  .ledger-value {
    font-family: var(--font-mono);
    font-size: var(--fs-32);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--ink-900);
    word-break: break-word;
  }

  .ledger-value .unit {
    display: inline-block;
    margin-left: 5px;
    font-family: var(--font-ui);
    font-size: var(--fs-13);
    font-weight: 500;
    letter-spacing: 0;
    color: var(--gray-600);
  }

  .ledger-label {
    font-size: var(--fs-13);
    line-height: 1.6;
    color: var(--gray-600);
  }

  /* ---------- 更新节奏 ---------- */
  .rhythm {
    padding: clamp(30px, 4vw, 54px) 0;
  }

  .rhythm__grid {
    display: grid;
    gap: clamp(22px, 3vw, 36px);
  }

  .rhythm__list {
    list-style: none;
    margin: 0;
    padding: 4px 0 0 20px;
    border-left: 1px solid var(--ph-hair);
    min-width: 0;
  }

  .rhythm__item {
    position: relative;
    padding: 0 0 26px 0;
  }

  .rhythm__item:last-child {
    padding-bottom: 0;
  }

  .rhythm__item::before {
    content: "";
    position: absolute;
    left: -25px;
    top: 7px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--paper-050);
    border: 2px solid var(--cyan-700);
  }

  .rhythm__item:last-child::before {
    border-color: var(--orange-500);
  }

  .rhythm__when {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--fs-13);
    font-weight: 700;
    letter-spacing: .06em;
    color: var(--orange-700);
    margin-bottom: 6px;
  }

  .rhythm__title {
    margin: 0 0 6px;
    font-size: var(--fs-19);
    font-weight: 700;
    line-height: 1.4;
  }

  .rhythm__text {
    margin: 0;
    max-width: 38em;
    font-size: var(--fs-15);
    line-height: 1.8;
    color: var(--gray-600);
  }

  /* ---------- 注册引导 ---------- */
  .enroll {
    padding: clamp(30px, 4vw, 54px) 0 0;
  }

  .enroll__grid {
    display: grid;
    gap: clamp(22px, 3vw, 38px);
    background: var(--paper-100);
    border-radius: 24px;
    padding: clamp(22px, 4vw, 44px);
  }

  .enroll__copy {
    min-width: 0;
  }

  .enroll__steps {
    list-style: none;
    margin: 0 0 22px;
    padding: 0;
    counter-reset: none;
  }

  .enroll__steps li {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    padding: 12px 0;
    border-bottom: 1px solid var(--ph-hair-soft);
    font-size: var(--fs-15);
    line-height: 1.75;
  }

  .enroll__n {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--ink-900);
    color: var(--cyan-400);
    font-family: var(--font-mono);
    font-size: var(--fs-13);
    font-weight: 700;
    line-height: 1;
  }

  .enroll__channels {
    padding-top: 18px;
  }

  .enroll__chan-line {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 12px;
    margin: 0 0 8px;
    font-size: var(--fs-15);
    line-height: 1.7;
    color: var(--ink-900);
  }

  .enroll__chan-k {
    min-width: 5em;
    font-family: var(--font-mono);
    font-size: var(--fs-13);
    font-weight: 700;
    color: var(--ink-500);
    line-height: 1.9;
  }

  .enroll__chan-line a {
    color: var(--cyan-700);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 128, 107, .35);
    word-break: break-all;
  }

  .enroll__note {
    margin: 12px 0 16px;
    max-width: 34em;
    font-size: var(--fs-13);
    line-height: 1.8;
    color: var(--gray-600);
  }

  .enroll__figure {
    margin: 0;
    border-radius: 18px 18px 18px 6px;
    overflow: hidden;
  }

  .enroll__figure img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: cover;
  }

  /* ---------- 响应式 ---------- */
  @media (min-width: 720px) {
    .paths__item {
      grid-template-columns: 64px minmax(0, 1fr) auto;
      align-items: start;
      gap: 6px 20px;
      padding: 26px 6px;
    }

    .paths__link {
      grid-column: 3;
      grid-row: 1;
      margin-top: 4px;
    }

    .index__row {
      grid-template-columns: 46px minmax(0, 1fr) minmax(0, 1.1fr);
      align-items: baseline;
    }

    .index__desc {
      grid-column: 3;
    }
  }

  @media (min-width: 900px) {
    .hero__grid {
      grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
      align-items: start;
    }

    .hero__visual {
      margin-top: 6px;
    }

    .hero__visual img {
      aspect-ratio: 6 / 7;
    }

    .rhythm__grid {
      grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
      align-items: start;
      column-gap: clamp(32px, 5vw, 72px);
    }

    .rhythm__head {
      margin-bottom: 0;
      position: sticky;
      top: 100px;
    }

    .enroll__grid {
      grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
      align-items: center;
    }
  }

  @media (min-width: 980px) {
    .scale .ledger {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .ledger-item {
      padding: 26px 22px 28px;
    }

    .index__grid {
      grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
      grid-template-areas:
        "head fig"
        "list fig";
      align-items: start;
      column-gap: clamp(32px, 4vw, 56px);
    }

    .index__head {
      grid-area: head;
      margin-bottom: 20px;
    }

    .index__list {
      grid-area: list;
    }

    .index__figure {
      grid-area: fig;
      position: sticky;
      top: 96px;
    }
  }

  @media (min-width: 1180px) {
    .hero__title {
      font-size: var(--fs-84);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .index__row,
    .retrieval__field,
    .paths__link {
      transition: none;
    }
  }
}
<<<END>>>