.page-home {
  --ph-gutter: 20px;
  --ph-line: rgba(201, 162, 75, 0.42);
  --ph-line-soft: rgba(139, 154, 163, 0.4);
  background: var(--parchment);
  color: var(--ink);
  overflow-x: clip;
}

.page-home .breadcrumb {
  padding: 14px var(--ph-gutter) 0;
  max-width: 1280px;
  margin: 0 auto;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--fog);
}

.page-home a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: 26px 0 48px;
  background: linear-gradient(158deg, var(--wine-darker) 0%, var(--wine) 58%, var(--red) 100%);
  color: var(--parchment);
  overflow: hidden;
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  display: block;
}

.page-home .hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(42, 7, 14, 0.35), rgba(42, 7, 14, 0.88));
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  padding: 0 var(--ph-gutter);
}

.page-home .water-index {
  border-bottom: 1px solid var(--ph-line);
  padding-bottom: 14px;
}

.page-home .water-kicker {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-home .water-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .water-list li {
  flex: 0 0 auto;
}

.page-home .water-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px 8px 0;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .water-no {
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--gold-bright);
}

.page-home .water-label {
  font-size: 13px;
  letter-spacing: 0.12em;
  white-space: nowrap;
  color: rgba(247, 241, 229, 0.86);
}

.page-home .water-list a:hover,
.page-home .water-list a:focus-visible {
  border-left-color: var(--gold);
  color: var(--gold-bright);
}

.page-home .water-list a:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
}

.page-home .hero-eyebrow {
  color: var(--gold);
  margin: 0 0 12px;
}

.page-home .hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 8.6vw, 4.4rem);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--parchment);
}

.page-home .hero-title-sub {
  display: block;
  margin-top: 10px;
  font-size: clamp(1.1rem, 4vw, 1.75rem);
  font-weight: 400;
  color: var(--gold-bright);
  letter-spacing: 0.06em;
}

.page-home .hero-lede {
  margin: 18px 0 26px;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.95;
  color: rgba(247, 241, 229, 0.88);
}

.page-home .hero-panel {
  border: 1px solid var(--ph-line);
  background: rgba(20, 27, 36, 0.58);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 20px 18px;
}

.page-home .panel-head {
  border-bottom: 1px solid rgba(201, 162, 75, 0.3);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.page-home .panel-kicker {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold-bright);
}

.page-home .panel-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(247, 241, 229, 0.72);
}

.page-home .filter-group {
  margin-bottom: 16px;
}

.page-home .filter-title {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(247, 241, 229, 0.62);
}

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

.page-home .chip {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid rgba(201, 162, 75, 0.55);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(247, 241, 229, 0.9);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .chip--on {
  background: rgba(201, 162, 75, 0.22);
  border-color: var(--gold-bright);
  color: var(--gold-bright);
}

.page-home .chip--amber {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 600;
}

.page-home .chip--ghost {
  border-style: dashed;
  color: rgba(247, 241, 229, 0.66);
}

.page-home .filter-more {
  margin: 10px 0 0;
  font-size: 13px;
}

.page-home .filter-more a {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 199, 122, 0.5);
  padding-bottom: 2px;
}

.page-home .panel-result {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(201, 162, 75, 0.3);
  font-size: 13px;
  line-height: 1.85;
  color: rgba(247, 241, 229, 0.76);
}

/* ---------- 通用章节 ---------- */
.page-home .section {
  padding: 52px 0;
}

.page-home .container {
  padding: 0 var(--ph-gutter);
  max-width: 1280px;
  margin: 0 auto;
}

.page-home .eyebrow {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--gold-deep);
}

.page-home .eyebrow--light {
  color: var(--gold-bright);
}

.page-home .h2 {
  margin: 0 0 26px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5.6vw, 2.8rem);
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
  max-width: 24em;
}

/* ---------- 四类入口 ---------- */
.page-home .entry-strip {
  display: grid;
  gap: 14px;
}

.page-home .entry {
  padding: 22px 20px;
  border: 1px solid var(--ph-line-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-home .entry h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.28rem;
  line-height: 1.4;
  font-weight: 700;
}

.page-home .entry p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(20, 27, 36, 0.82);
}

.page-home .entry-tag {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
}

.page-home .entry-link {
  margin-top: auto;
  padding-top: 6px;
}

.page-home .entry-link a {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
}

.page-home .entry--a {
  background: var(--wine);
  border-color: var(--wine);
  color: var(--parchment);
}

.page-home .entry--a h3,
.page-home .entry--a .entry-link a {
  color: var(--parchment);
}

.page-home .entry--a .entry-tag {
  color: var(--gold-bright);
}

.page-home .entry--a p {
  color: rgba(247, 241, 229, 0.85);
}

.page-home .entry--b {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

.page-home .entry--b h3,
.page-home .entry--b .entry-link a {
  color: #fff;
}

.page-home .entry--b .entry-tag {
  color: var(--lagoon);
}

.page-home .entry--b p {
  color: rgba(255, 255, 255, 0.86);
}

.page-home .entry--c {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--parchment);
}

.page-home .entry--c h3,
.page-home .entry--c .entry-link a {
  color: var(--parchment);
}

.page-home .entry--c .entry-tag {
  color: var(--gold);
}

.page-home .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .entry-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 241, 229, 0.86);
}

.page-home .entry-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

.page-home .entry--d {
  background: var(--parchment);
  border: 1px solid var(--gold);
  border-left: 4px solid var(--gold);
}

/* ---------- 概况数字 ---------- */
.page-home .facts {
  background: var(--lagoon);
  padding: 40px 0 34px;
}

.page-home .facts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
}

.page-home .fact {
  border-top: 1px solid rgba(15, 92, 94, 0.4);
  padding-top: 12px;
}

.page-home .fact-num {
  margin: 0 0 4px;
  font-family: var(--font-num);
  font-size: 2rem;
  line-height: 1;
  color: var(--teal);
}

.page-home .fact-num span {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.12em;
  margin-left: 6px;
  color: var(--ink);
}

.page-home .fact-label {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(20, 27, 36, 0.78);
}

.page-home .facts-foot {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: baseline;
  font-size: 14px;
}

.page-home .facts-foot p {
  margin: 0;
  color: rgba(20, 27, 36, 0.75);
}

.page-home .facts-foot a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 92, 94, 0.5);
  padding-bottom: 2px;
}

/* ---------- 检索说明 ---------- */
.page-home .search {
  background: var(--parchment);
}

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

.page-home .research-copy p {
  font-size: 16px;
  line-height: 1.95;
  color: rgba(20, 27, 36, 0.84);
  margin: 0 0 16px;
}

.page-home .filter-legend {
  border-top: 1px solid var(--ph-line-soft);
  margin: 20px 0;
}

.page-home .legend-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ph-line-soft);
}

.page-home .legend-key {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
  padding-top: 3px;
}

.page-home .legend-val {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(20, 27, 36, 0.86);
}

.page-home .research-media {
  margin: 0;
  border: 1px solid var(--ph-line-soft);
}

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

.page-home .media-caption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog);
  border-top: 1px solid var(--ph-line-soft);
  background: rgba(255, 255, 255, 0.5);
}

/* ---------- 移动端 ---------- */
.page-home .mobile {
  background: var(--wine-darker);
  color: var(--parchment);
}

.page-home .mobile-grid {
  display: grid;
  gap: 26px;
}

.page-home .mobile .eyebrow {
  color: var(--gold-bright);
}

.page-home .mobile .h2 {
  color: var(--parchment);
}

.page-home .mobile-copy p {
  font-size: 16px;
  line-height: 1.95;
  color: rgba(247, 241, 229, 0.86);
  margin: 0 0 16px;
}

.page-home .mobile-media {
  margin: 0;
  border: 1px solid var(--ph-line);
}

.page-home .mobile-media .media-caption {
  background: rgba(20, 27, 36, 0.75);
  color: rgba(247, 241, 229, 0.7);
  border-top-color: var(--ph-line);
}

.page-home .mobile-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .mobile-list li {
  border-left: 2px solid var(--gold);
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(247, 241, 229, 0.82);
}

.page-home .mobile-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--gold-bright);
  margin-bottom: 2px;
}

.page-home .btn {
  display: inline-block;
  padding: 12px 22px;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .btn--gold {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}

.page-home .btn--gold:hover,
.page-home .btn--gold:focus-visible {
  background: var(--gold-bright);
  border-color: var(--gold-bright);
}

.page-home .btn--ink {
  background: var(--ink);
  color: var(--parchment);
  border-color: var(--ink);
}

.page-home .btn--ink:hover,
.page-home .btn--ink:focus-visible {
  background: var(--wine);
  border-color: var(--wine);
}

.page-home .btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

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

.page-home .btn:focus-visible {
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
}

/* ---------- 改版对照 ---------- */
.page-home .changes {
  position: relative;
  background: var(--wine);
  color: var(--parchment);
  overflow: hidden;
}

.page-home .changes-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .changes-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  display: block;
}

.page-home .changes-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(90, 15, 30, 0.82), rgba(42, 7, 14, 0.94));
}

.page-home .changes-inner {
  position: relative;
  z-index: 1;
}

.page-home .changes-title {
  color: var(--parchment);
}

.page-home .changes-lede {
  margin: -12px 0 26px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(247, 241, 229, 0.82);
  max-width: 560px;
}

.page-home .chg {
  border-top: 1px solid var(--ph-line);
}

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

.page-home .chg-head {
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
}

.page-home .chg-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 4px;
  background: transparent;
  border: 0;
  color: var(--parchment);
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: 0.03em;
  text-align: left;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-home .chg-trigger:hover,
.page-home .chg-trigger:focus-visible {
  color: var(--gold-bright);
}

.page-home .chg-trigger:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}

.page-home .chg-trigger .tag {
  flex: 0 0 auto;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.16em;
  padding: 4px 9px;
  border: 1px solid rgba(232, 199, 122, 0.6);
  color: var(--gold-bright);
}

.page-home .chg-panel {
  padding: 0 4px 18px;
}

.page-home .chg-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(247, 241, 229, 0.84);
  max-width: 640px;
}

.page-home .changes-note {
  margin: 22px 0 0;
  font-size: 13px;
}

.page-home .changes-note a {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 199, 122, 0.5);
  padding-bottom: 2px;
}

/* ---------- 客服路径 ---------- */
.page-home .service {
  background: var(--parchment);
}

.page-home .service-grid {
  display: grid;
  gap: 30px;
}

.page-home .service-copy p {
  font-size: 16px;
  line-height: 1.95;
  color: rgba(20, 27, 36, 0.84);
  margin: 0 0 16px;
}

.page-home .service-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 18px;
}

.page-home .service-note {
  font-size: 13px;
  line-height: 1.85;
  color: var(--fog);
}

.page-home .service-note a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 92, 94, 0.45);
}

.page-home .steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-home .steps li {
  counter-increment: step;
  position: relative;
  padding-left: 58px;
  border-top: 1px solid var(--ph-line-soft);
  padding-top: 16px;
}

.page-home .steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--font-num);
  font-size: 2.1rem;
  line-height: 1;
  color: var(--gold-deep);
}

.page-home .steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ink);
}

.page-home .steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(20, 27, 36, 0.78);
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-home {
    --ph-gutter: 40px;
  }

  .page-home .breadcrumb {
    padding-top: 22px;
  }

  .page-home .hero {
    padding: 46px 0 76px;
  }

  .page-home .hero-grid {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-home .water-index {
    border-bottom: 0;
    border-left: 1px solid var(--ph-line);
    padding: 4px 0 4px 16px;
    position: sticky;
    top: 96px;
  }

  .page-home .water-list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
  }

  .page-home .water-list a {
    padding: 10px 8px 10px 10px;
    border-left: 2px solid transparent;
    margin-left: -17px;
    padding-left: 15px;
  }

  .page-home .hero-lede {
    font-size: 17px;
    margin-bottom: 32px;
  }

  .page-home .hero-panel {
    padding: 26px 26px 24px;
    max-width: 720px;
  }

  .page-home .section {
    padding: 76px 0;
  }

  .page-home .entry-strip {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
  }

  .page-home .entry--a {
    grid-column: 1 / span 5;
    padding: 32px 28px;
  }

  .page-home .entry--b {
    grid-column: 6 / span 3;
    margin-top: 34px;
  }

  .page-home .entry--c {
    grid-column: 9 / span 4;
    padding: 26px 22px;
  }

  .page-home .entry--d {
    grid-column: 1 / span 12;
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr) 220px;
    align-items: center;
    gap: 24px;
    padding: 22px 26px;
  }

  .page-home .entry--d p {
    margin: 0;
  }

  .page-home .entry--d .entry-link {
    margin: 0;
    padding: 0;
    text-align: right;
  }

  .page-home .facts {
    padding: 56px 0 44px;
  }

  .page-home .facts-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 30px;
  }

  .page-home .fact-num {
    font-size: 2.6rem;
  }

  .page-home .facts-foot {
    justify-content: space-between;
    margin-top: 34px;
  }

  .page-home .research-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 46px;
    align-items: start;
  }

  .page-home .research-media {
    margin-top: 12px;
  }

  .page-home .mobile-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 44px;
    align-items: center;
  }

  .page-home .mobile-media {
    max-width: 340px;
    justify-self: start;
  }

  .page-home .chg-trigger {
    font-size: 1.2rem;
    padding: 20px 6px;
  }

  .page-home .chg-panel {
    padding: 0 6px 22px 32px;
  }

  .page-home .service-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .chip,
  .page-home .btn,
  .page-home .water-list a,
  .page-home .chg-trigger {
    transition: none;
  }
}