.page-home {
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-home section[id] {
  scroll-margin-top: 88px;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(40px, 6vw, 80px) 0 clamp(36px, 5vw, 60px);
  border-bottom: 1px solid rgba(53, 224, 214, 0.16);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 80% at 10% 0%, rgba(53, 224, 214, 0.14), transparent 62%),
    linear-gradient(180deg, rgba(10, 27, 46, 0.4) 0%, rgba(10, 27, 46, 0.86) 58%, var(--ink) 100%);
}

.page-home .hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-home .hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(30px, 7.2vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-home .hero__lead {
  margin: 16px 0 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(242, 237, 228, 0.78);
}

.page-home .hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-home .hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(155, 243, 236, 0.18);
}

.page-home .hero__meta > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .hero__meta dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog);
}

.page-home .hero__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--lime);
}

/* ---------- 章节索引 ---------- */
.page-home .index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-home .index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.page-home .index__item {
  min-width: 0;
}

.page-home .index__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 104px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(155, 243, 236, 0.16);
  background: rgba(16, 42, 68, 0.66);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), background 0.25s var(--ease);
}

.page-home .index__link:hover,
.page-home .index__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(16, 42, 68, 0.92);
  transform: translateY(-2px);
}

.page-home .index__num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-home .index__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .index__note {
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(242, 237, 228, 0.66);
}

.page-home .index__stat {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
}

@media (min-width: 600px) {
  .page-home .index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 48px;
  }
}

/* ---------- 章节通用 ---------- */
.page-home .band {
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-home .band h2 {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(22px, 4.2vw, 34px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-home .band p {
  margin: 0 0 14px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(242, 237, 228, 0.76);
}

.page-home .band__num {
  font-family: var(--font-display);
  font-size: clamp(60px, 15vw, 132px);
  font-weight: 800;
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: rgba(53, 224, 214, 0.26);
  user-select: none;
  margin-bottom: 12px;
}

.page-home .readout {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(155, 243, 236, 0.16);
  background: rgba(10, 27, 46, 0.42);
}

.page-home .readout__val {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 500;
  line-height: 1.15;
  color: var(--cyan);
}

.page-home .readout__val--lime {
  color: var(--lime);
}

.page-home .readout__label {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--fog);
}

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

.page-home .shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(155, 243, 236, 0.2);
  object-fit: cover;
}

.page-home .shot figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--fog);
}

/* ---------- 01 费用 ---------- */
.page-home .fees {
  background: linear-gradient(115deg, var(--ink-2) 0%, #0d2137 48%, var(--stone) 135%);
  border-bottom: 1px solid rgba(53, 224, 214, 0.14);
}

.page-home .fees__grid {
  display: grid;
  gap: 16px;
}

.page-home .ladder {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
  margin: 22px 0 8px;
}

.page-home .ladder__step {
  height: 12px;
  border-radius: 999px;
  background: rgba(155, 243, 236, 0.16);
}

.page-home .ladder__step:nth-child(1) {
  background: var(--cyan);
}

.page-home .ladder__step:nth-child(6) {
  background: var(--orange);
}

.page-home .ladder__scale {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fog);
  margin-bottom: 24px;
}

.page-home .fees__reads {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
  margin-bottom: 8px;
}

.page-home .fees__where {
  margin-top: 18px;
}

.page-home .fees__actions,
.page-home .versions__actions,
.page-home .service__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

@media (min-width: 640px) {
  .page-home .fees__reads {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .fees__grid {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-home .fees .band__num {
    margin-bottom: 0;
  }
}

.page-home .fees:target .band__num,
.page-home .deck:target .band__num,
.page-home .versions:target .band__num {
  color: var(--lime);
}

/* ---------- 02 筛选 ---------- */
.page-home .filters {
  background: var(--paper);
  color: var(--ink);
}

.page-home .filters__grid {
  display: grid;
  gap: 28px;
}

.page-home .filters h2,
.page-home .service h2 {
  color: var(--ink);
}

.page-home .filters p,
.page-home .service p {
  color: rgba(10, 27, 46, 0.74);
}

.page-home .pillbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.page-home .pillbar__label {
  flex: 0 0 100%;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: rgba(10, 27, 46, 0.55);
}

.page-home .pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1.5px solid rgba(10, 27, 46, 0.26);
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.4;
}

.page-home .pill[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-home .pill[aria-pressed="true"] .pill__dot {
  background: var(--cyan);
  opacity: 1;
}

.page-home .pricebar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--ink);
  color: var(--paper);
  font-size: 13.5px;
}

.page-home .pricebar strong {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--lime);
}

.page-home .pricebar span:last-child {
  color: rgba(242, 237, 228, 0.66);
}

.page-home .filters__side {
  display: grid;
  gap: 14px;
}

.page-home .filters__tip {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(10, 27, 46, 0.66);
}

@media (min-width: 1024px) {
  .page-home .filters__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }
}

/* ---------- 03 数据面板 ---------- */
.page-home .deck {
  background: linear-gradient(180deg, var(--ink) 0%, #0c2036 100%);
}

.page-home .deck__body {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.page-home .deck__reads {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-home .deck__panel {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(53, 224, 214, 0.24);
  background: rgba(16, 42, 68, 0.72);
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.9);
}

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

.page-home .deck__panel-body {
  padding: 16px 18px 20px;
}

.page-home .deck__panel-title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-home .deck__panel-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fog);
}

@media (min-width: 768px) {
  .page-home .deck__reads {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .deck__body {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 32px;
    align-items: start;
  }
}

/* ---------- 04 版本 ---------- */
.page-home .versions {
  background: var(--ink-2);
}

.page-home .versions__grid {
  display: grid;
  gap: 28px;
}

.page-home .versions__main .band__num {
  margin-bottom: 10px;
}

.page-home .folds {
  margin-top: 10px;
  border-top: 1px solid rgba(155, 243, 236, 0.16);
}

.page-home .fold {
  border-bottom: 1px solid rgba(155, 243, 236, 0.16);
}

.page-home .fold__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding: 16px 0;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-home .fold__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
}

.page-home .fold[open] .fold__q::after {
  content: "−";
}

.page-home .fold__a {
  padding-bottom: 16px;
}

.page-home .fold__a p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 237, 228, 0.72);
}

@media (min-width: 1024px) {
  .page-home .versions__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }
}

/* ---------- 05 团队与服务 ---------- */
.page-home .service {
  background: var(--paper);
  color: var(--ink);
}

.page-home .service__grid {
  display: grid;
  gap: 28px;
}

.page-home .service .band__num {
  color: rgba(10, 27, 46, 0.16);
}

.page-home .service__figures {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 20px;
}

.page-home .figure-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(10, 27, 46, 0.16);
  background: rgba(255, 255, 255, 0.55);
}

.page-home .figure-card__val {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
}

.page-home .figure-card__label {
  font-size: 12.5px;
  line-height: 1.55;
  color: rgba(10, 27, 46, 0.62);
}

.page-home .service__sub {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-home .service__main h3:not(:first-child) {
  margin-top: 26px;
}

.page-home .crew {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 26px;
}

.page-home .crew__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--cyan);
  background: rgba(10, 27, 46, 0.05);
}

.page-home .crew__val {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
}

.page-home .crew__label {
  font-size: 13px;
  color: rgba(10, 27, 46, 0.66);
}

.page-home .inline-link {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-home .inline-link:hover,
.page-home .inline-link:focus-visible {
  color: var(--ink);
}

@media (min-width: 960px) {
  .page-home .service__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }

  .page-home .crew {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 咨询收束 ---------- */
.page-home .start {
  padding: clamp(56px, 9vw, 120px) 0;
  background:
    radial-gradient(90% 120% at 82% 0%, rgba(180, 85, 60, 0.28), transparent 58%),
    var(--ink);
  border-top: 1px solid rgba(53, 224, 214, 0.18);
}

.page-home .start__inner {
  display: grid;
  gap: 18px;
  max-width: 720px;
}

.page-home .start h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-home .start__lead {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(242, 237, 228, 0.76);
}

.page-home .start__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(242, 237, 228, 0.78);
}

.page-home .start__list li::before {
  content: "—";
  margin-right: 8px;
  color: var(--cyan);
}

.page-home .start__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .start__actions {
  margin-top: 8px;
}

.page-home .start .btn--big {
  min-height: 56px;
  padding: 0 34px;
  border-radius: 999px;
  font-size: 16px;
}

/* ---------- 交互退化与动效兼容 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .index__link,
  .page-home .pill,
  .page-home .fold__q {
    transition: none;
  }

  .page-home .index__link:hover,
  .page-home .index__link:focus-visible {
    transform: none;
  }
}