.page-home {
  --home-pad: clamp(20px, 4.6vw, 64px);
  --home-rule: rgba(10, 34, 51, 0.14);
  background: var(--cream);
  color: var(--text);
  overflow-x: hidden;
}

.page-home h2 {
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 10px 0 0;
}

.page-home .eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin: 0;
}

.page-home .section__head {
  max-width: 64ch;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  background: var(--jade-deep);
  color: #FFFFFF;
  padding: clamp(34px, 5.4vw, 78px) 0 clamp(30px, 4.4vw, 62px);
  overflow: hidden;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--orange);
}

.page-home .hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-home .hero__eyebrow {
  color: var(--amber);
}

.page-home .hero h1 {
  font-size: clamp(30px, 5.6vw, 66px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 14px 0 20px;
}

.page-home .hero__hl {
  color: var(--amber);
}

.page-home .hero__lede {
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.82);
  max-width: 30em;
  margin: 0;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: 28px;
}

.page-home .hero__btn-ghost {
  border-color: rgba(255, 255, 255, 0.42);
  color: #FFFFFF;
}

.page-home .hero__link {
  color: var(--amber);
}

.page-home .hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 14px;
}

.page-home .hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: rgba(255, 255, 255, 0.78);
}

.page-home .hero__facts .num {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--amber);
}

.page-home .hero__visual {
  position: relative;
}

.page-home .hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
}

.page-home .hero__round {
  position: absolute;
  left: 0;
  bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  background: var(--orange);
  color: var(--ink);
  padding: 10px 18px 12px;
}

.page-home .hero__round-num {
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
}

.page-home .hero__round-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.page-home .hero__curve {
  position: absolute;
  right: -6%;
  bottom: 4%;
  width: min(680px, 62%);
  height: auto;
  opacity: 0.3;
  pointer-events: none;
  z-index: 1;
}

.page-home .hero__curve path {
  fill: none;
  stroke: var(--orange);
  stroke-width: 2;
  stroke-dasharray: 1500;
  stroke-dashoffset: 1500;
  animation: home-trace 1.3s 0.2s ease-out forwards;
}

@keyframes home-trace {
  to { stroke-dashoffset: 0; }
}

/* ---------- 筛选条 ---------- */
.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}

.page-home .filter-chip {
  font-family: var(--font-cn);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 8px 17px;
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(10, 34, 51, 0.28);
  border-radius: 0;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-home .filter-chip:hover {
  border-color: var(--jade);
  color: var(--jade);
}

.page-home .filter-chip[aria-pressed="true"] {
  background: var(--jade);
  border-color: var(--jade);
  color: #FFFFFF;
}

.page-home .filter-chip:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 更新速览 ---------- */
.page-home .brief {
  background: var(--sand);
  padding: clamp(50px, 7vw, 96px) 0;
}

.page-home .brief__head {
  margin-bottom: 26px;
}

.page-home .brief__intro {
  font-size: 16px;
  line-height: 1.85;
  color: #2C3A44;
  margin: 14px 0 0;
}

.page-home .brief__rows {
  display: grid;
  gap: 2px;
  background: var(--jade-deep);
}

.page-home .brief-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  background: var(--cream);
  padding: 22px 20px;
}

.page-home .brief-row__idx {
  flex: 0 0 100%;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--jade);
  margin: 0;
}

.page-home .brief-row__title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
  flex: 0 0 auto;
}

.page-home .brief-row__text {
  flex: 1 1 100%;
  font-size: 15px;
  line-height: 1.8;
  color: #2C3A44;
  margin: 0;
}

.page-home .brief-row .tag {
  margin-left: auto;
}

/* ---------- 对照视图 ---------- */
.page-home .compare {
  background: var(--cream);
  padding: clamp(52px, 8vw, 104px) 0;
}

.page-home .compare__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 52px);
}

.page-home .compare__lede {
  font-size: 16px;
  line-height: 1.85;
  color: #2C3A44;
  margin: 16px 0 26px;
  max-width: 46ch;
}

.page-home .axis {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 0 8px;
  margin: 34px 0 6px;
  min-height: 58px;
}

.page-home .axis__line {
  position: absolute;
  left: 0;
  right: 0;
  top: 6px;
  height: 1px;
  background: rgba(10, 34, 51, 0.22);
}

.page-home .axis__node {
  position: relative;
  width: 12px;
  height: 12px;
  background: var(--jade);
  z-index: 1;
}

.page-home .axis__node b {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: 500;
  color: #46545F;
  white-space: nowrap;
}

.page-home .axis__node--now {
  width: 40px;
  height: 40px;
  margin: 0 -14px;
  top: -14px;
  background: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-home .axis__node--now b {
  color: var(--ink);
  font-weight: 700;
}

.page-home .axis__num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}

.page-home .axis__node--end {
  background: var(--indigo);
}

.page-home .compare__table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 34px;
  background: var(--cream);
}

.page-home .compare__table th {
  background: var(--jade-deep);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-align: left;
  padding: 12px 12px;
  white-space: nowrap;
}

.page-home .compare__table td {
  padding: 13px 12px;
  font-size: 15px;
  border-bottom: 1px solid var(--home-rule);
  vertical-align: middle;
}

.page-home .compare__table tbody tr:nth-child(odd) {
  background: var(--sand);
}

.page-home .compare__table .num {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--jade);
  white-space: nowrap;
}

.page-home .compare__aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-home .aside-note {
  border-left: 4px solid var(--wine);
  padding: 2px 0 2px 16px;
}

.page-home .aside-note__title {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 10px;
}

.page-home .compare__tips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .compare__tips li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: #40505C;
}

.page-home .compare__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--jade);
}

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

.page-home .compare__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .compare__figure figcaption {
  font-size: 13px;
  line-height: 1.75;
  color: #5A6672;
  margin-top: 10px;
}

/* ---------- 比赛日路径 ---------- */
.page-home .path {
  background: var(--jade-deep);
  color: #FFFFFF;
  padding: clamp(52px, 8vw, 104px) 0;
}

.page-home .path__head .eyebrow {
  color: var(--amber);
}

.page-home .path__intro {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.76);
  margin: 14px 0 0;
  max-width: 52ch;
}

.page-home .path__list {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-home .path__step {
  position: relative;
  padding: 26px 0 26px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.page-home .path__step::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--orange);
}

.page-home .path__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--amber);
  margin-bottom: 12px;
}

.page-home .path__step h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.page-home .path__step p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
  margin: 0;
  max-width: 34ch;
}

.page-home .path__figure {
  margin: 44px 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.page-home .path__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .path__figure figcaption {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 测试版导出 ---------- */
.page-home .export {
  background: var(--cream);
  padding: clamp(52px, 8vw, 104px) 0;
}

.page-home .export__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 50px);
  align-items: center;
}

.page-home .export__text p {
  font-size: 16px;
  line-height: 1.85;
  color: #2C3A44;
  margin: 16px 0 0;
  max-width: 46ch;
}

.page-home .export__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
}

.page-home .export__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: 26px;
}

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

.page-home .export__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-home .export__figure figcaption {
  font-size: 13px;
  line-height: 1.75;
  color: #5A6672;
  margin-top: 10px;
}

/* ---------- 规模数字带 ---------- */
.page-home .scale {
  background: var(--indigo);
  color: #FFFFFF;
  padding: clamp(52px, 8vw, 96px) 0;
}

.page-home .scale__head .eyebrow {
  color: var(--amber);
}

.page-home .scale__list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.22);
}

.page-home .scale__list li {
  background: var(--indigo);
  padding: 24px 18px;
}

.page-home .scale__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-home .scale__label {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
}

.page-home .scale__note {
  margin: 26px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.8);
  max-width: 56ch;
}

/* ---------- 下一步 ---------- */
.page-home .next {
  background: var(--sand);
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-home .next__head {
  margin-bottom: 28px;
}

.page-home .next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(10, 34, 51, 0.16);
}

.page-home .next__item {
  background: var(--sand);
}

.page-home .next__item a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 20px;
  text-decoration: none;
  color: var(--ink);
  transition: background 0.18s ease;
}

.page-home .next__item a:hover {
  background: var(--cream);
}

.page-home .next__item a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-home .next__item strong {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .next__item span {
  font-size: 14px;
  line-height: 1.75;
  color: #4A5866;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 700px) {
  .page-home .hero__curve {
    display: none;
  }

  .page-home .compare__table th,
  .page-home .compare__table td {
    padding: 10px 8px;
    font-size: 13px;
  }

  .page-home .compare__table th:nth-child(4),
  .page-home .compare__table td:nth-child(4) {
    display: none;
  }

  .page-home .axis__node b {
    font-size: 11px;
  }
}

@media (min-width: 760px) {
  .page-home .path__figure {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 28px;
  }

  .page-home .next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-home .path__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
  }

  .page-home .path__step {
    padding: 26px 0 8px;
  }
}

@media (min-width: 880px) {
  .page-home .scale__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .scale__list li {
    padding: 28px 22px;
  }
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.34fr) minmax(0, 1fr);
    gap: 52px;
  }

  .page-home .export__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }

  .page-home .brief-row {
    display: grid;
    grid-template-columns: 58px minmax(160px, 214px) minmax(0, 1fr) auto;
    gap: 0 22px;
    align-items: center;
    padding: 24px 22px;
  }

  .page-home .brief-row__idx {
    flex: none;
    width: auto;
    margin: 0;
  }

  .page-home .brief-row__text {
    flex: none;
    margin: 0;
  }
}

@media (min-width: 960px) {
  .page-home .compare__grid {
    grid-template-columns: minmax(0, 1.72fr) minmax(0, 1fr);
    gap: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__curve path {
    animation: none;
    stroke-dashoffset: 0;
  }

  .page-home .filter-chip,
  .page-home .next__item a {
    transition: none;
  }
}