.page-home {
  background: linear-gradient(180deg, var(--color-sheet) 0%, var(--color-cream) 36rem);
  color: var(--color-navy);
  overflow-x: hidden;
}

.page-home .breadcrumbs {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1rem var(--gutter) 0;
  font-size: .78rem;
  color: var(--color-slate);
}

.page-home .breadcrumbs ul {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .breadcrumbs li + li::before {
  content: "⁄";
  margin-right: .4rem;
  color: var(--color-slate);
}

.page-home .breadcrumbs a {
  color: var(--color-navy);
  text-decoration: none;
}

.page-home .breadcrumbs a:hover {
  text-decoration: underline;
}

/* ===== 首屏分屏 ===== */
.page-home .ph-hero {
  background:
    linear-gradient(120deg, rgba(255, 107, 53, .18) 0%, rgba(255, 107, 53, 0) 34%),
    radial-gradient(circle at 86% 16%, rgba(57, 255, 20, .08) 0%, transparent 34%),
    var(--color-navy);
  color: var(--color-sheet);
  padding: clamp(1.8rem, 5vw, 3.8rem) 0 clamp(2.8rem, 7vw, 5rem);
  border-bottom: 1px solid rgba(122, 139, 153, .3);
}

.page-home .ph-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.4rem;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-home .ph-hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-home .ph-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: .62rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--color-volt);
}

.page-home .ph-hero__kicker::before {
  content: "";
  width: .58rem;
  height: .58rem;
  border-radius: 50%;
  background: var(--color-volt);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, .16);
  flex: none;
}

.page-home .ph-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.08;
  margin: 1.1rem 0 1.2rem;
  max-width: 12em;
  color: var(--color-sheet);
}

.page-home .ph-hero__lead {
  font-size: .98rem;
  line-height: 1.8;
  color: rgba(230, 235, 240, .86);
  max-width: 38rem;
  margin: 0;
}

.page-home .ph-hero__copy::after {
  content: "";
  display: block;
  width: 68px;
  height: 4px;
  margin-top: 1.6rem;
  background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-orange) 68%, var(--color-clay) 68%, var(--color-clay) 100%);
}

.page-home .ph-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .8rem;
  margin-top: 1.3rem;
}

.page-home .ph-hero__meta .tag {
  background: rgba(57, 255, 20, .12);
  color: var(--color-volt);
  border-radius: var(--radius);
}

.page-home .ph-hero__ver {
  font-size: .8rem;
  color: var(--color-slate);
}

.page-home .ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.7rem;
}

.page-home .ph-hero__actions .button,
.page-home .ph-contact__feedback .button {
  background: var(--color-orange);
  color: var(--color-navy);
}

.page-home .ph-hero__actions .button--ghost {
  background: transparent;
  color: var(--color-sheet);
  border: 1px solid rgba(230, 235, 240, .5);
}

.page-home .ph-hero__visual {
  position: relative;
  min-height: 330px;
  align-self: stretch;
}

.page-home .ph-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.page-home .ph-hero__panel {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  width: min(100%, 22rem);
  background: rgba(10, 30, 60, .9);
  border-left: 3px solid var(--color-orange);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
}

.page-home .ph-hero__panel-title {
  display: block;
  font-family: var(--font-display);
  font-size: .82rem;
  letter-spacing: .08em;
  margin-bottom: .75rem;
  color: var(--color-sheet);
}

.page-home .ph-hero__panel-list {
  display: grid;
  gap: .45rem;
  margin: 0 0 .85rem;
}

.page-home .ph-hero__panel-list div {
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  gap: .65rem;
  font-size: .85rem;
}

.page-home .ph-hero__panel-list dt {
  color: var(--color-slate);
}

.page-home .ph-hero__panel-list dd {
  margin: 0;
  color: var(--color-sheet);
  font-weight: 600;
}

.page-home .ph-hero__panel-note {
  margin: .5rem 0 0;
  padding-top: .55rem;
  border-top: var(--line-soft);
  font-size: .78rem;
  color: var(--color-slate);
  line-height: 1.6;
}

/* ===== 通用章节骨架 ===== */
.page-home .ph-section {
  padding: clamp(3rem, 8vw, 5.5rem) 0;
}

.page-home .ph-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.8rem;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-home .ph-section__note {
  display: grid;
  gap: .45rem;
  align-content: flex-start;
  font-size: .82rem;
  line-height: 1.65;
  color: var(--color-slate);
  border-left: 2px solid var(--color-clay);
  padding-left: 1rem;
}

.page-home .ph-section__note p {
  margin: .15rem 0 0;
}

.page-home .ph-section__no {
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--color-orange);
}

.page-home .ph-section__label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-slate);
}

.page-home .ph-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

.page-home .ph-section__intro {
  font-size: .98rem;
  line-height: 1.75;
  color: var(--color-slate);
  max-width: 46rem;
  margin: 0 0 2rem;
}

.page-home .ph-version {
  background: var(--color-sheet);
  border-bottom: var(--line);
}

.page-home .ph-entry {
  background: var(--color-cream);
  border-bottom: var(--line);
}

/* ===== 版本对照 ===== */
.page-home .ph-ver__tabs {
  background: #fff;
  border: var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.page-home .ph-ver__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: var(--line);
}

.page-home .ph-ver__tab {
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 600;
  padding: .85rem 1.2rem;
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  color: var(--color-slate);
  cursor: pointer;
}

.page-home .ph-ver__tab:hover {
  color: var(--color-navy);
}

.page-home .ph-ver__tab[aria-selected="true"] {
  color: var(--color-navy);
  border-bottom-color: var(--color-orange);
}

.page-home .ph-ver__panel {
  padding: 1.4rem;
}

.page-home .ph-ver__compare {
  display: grid;
  gap: .75rem;
}

.page-home .ph-ver__line {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .55rem;
  border: var(--line-soft);
  border-left: 3px solid transparent;
  background: var(--color-sheet);
  padding: 1rem 1.1rem;
  transition: background .2s ease, box-shadow .2s ease;
}

.page-home .ph-ver__line:hover {
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.page-home .ph-ver__line--new {
  border-left-color: var(--color-orange);
}

.page-home .ph-ver__key {
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-slate);
}

.page-home .ph-ver__old {
  font-size: .9rem;
  color: var(--color-slate);
  text-decoration: line-through;
}

.page-home .ph-ver__arrow {
  color: var(--color-orange);
  font-weight: 700;
}

.page-home .ph-ver__new {
  font-weight: 700;
  color: var(--color-navy);
}

.page-home .ph-ver__channels {
  display: grid;
  gap: 1rem;
}

.page-home .ph-ver__channel {
  border: var(--line);
  border-top: 3px solid var(--color-moss);
  background: var(--color-sheet);
  padding: 1.25rem 1.3rem;
}

.page-home .ph-ver__channel h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: .45rem 0 .5rem;
}

.page-home .ph-ver__channel p {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--color-slate);
  margin: 0 0 1rem;
}

.page-home .ph-ver__channel-no {
  font-family: var(--font-display);
  color: var(--color-orange);
}

.page-home .ph-ver__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-home .ph-ver__tag {
  font-size: .76rem;
  color: var(--color-slate);
  border: 1px solid rgba(122, 139, 153, .3);
  border-radius: 99px;
  padding: .28rem .65rem;
}

.page-home .ph-ver__note {
  margin-top: 1.1rem;
  font-size: .9rem;
}

.page-home .ph-ver__note a {
  color: var(--color-navy);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--color-orange);
}

/* ===== 核心操作入口 ===== */
.page-home .ph-entry__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-home .ph-entry__card {
  display: block;
  background: #fff;
  border: var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  color: var(--color-navy);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}

.page-home .ph-entry__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.page-home .ph-entry__card--member {
  border-top: 3px solid var(--color-orange);
}

.page-home .ph-entry__card--save {
  border-top: 3px solid var(--color-clay);
}

.page-home .ph-entry__card--search {
  border-top: 3px solid var(--color-navy);
}

.page-home .ph-entry__tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--color-orange);
  margin-bottom: .8rem;
}

.page-home .ph-entry__card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 .55rem;
}

.page-home .ph-entry__card p {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--color-slate);
  margin: 0;
}

.page-home .ph-entry__more {
  display: inline-block;
  margin-top: 1rem;
  font-size: .88rem;
  font-weight: 600;
  color: var(--color-orange);
}

.page-home .ph-search-demo {
  margin-top: 1.1rem;
  border: var(--line);
  background: var(--color-sheet);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .ph-search-demo__field {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .7rem .9rem;
  background: #fff;
  border-bottom: var(--line-soft);
  color: var(--color-slate);
  font-size: .85rem;
}

.page-home .ph-search-demo__list {
  list-style: none;
  margin: 0;
  padding: .45rem 0;
}

.page-home .ph-search-demo__list a {
  display: block;
  padding: .55rem .95rem;
  color: var(--color-navy);
  text-decoration: none;
  border-left: 2px solid transparent;
  font-size: .86rem;
}

.page-home .ph-search-demo__list a:hover {
  border-left-color: var(--color-orange);
  background: #fff;
}

.page-home .ph-save-steps {
  list-style: none;
  counter-reset: phSaveStep;
  margin: 1rem 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-home .ph-save-steps li {
  counter-increment: phSaveStep;
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  font-size: .9rem;
  line-height: 1.5;
  color: var(--color-navy);
}

.page-home .ph-save-steps li::before {
  content: counter(phSaveStep, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-orange);
  line-height: 1;
  padding-top: .2rem;
}

.page-home .ph-entry__note {
  font-size: .8rem;
  line-height: 1.6;
  color: var(--color-slate);
  margin-top: .3rem;
}

.page-home .ph-entry__card--save .button {
  margin-top: 1rem;
}

.page-home .ph-entry__extras {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.3rem;
  font-size: .9rem;
}

.page-home .ph-entry__extras a {
  color: var(--color-navy);
  text-decoration: none;
  border-bottom: 1px solid var(--color-orange);
}

/* ===== 赛事数据焦点 ===== */
.page-home .ph-data {
  background:
    linear-gradient(135deg, rgba(255, 107, 53, .14) 0%, rgba(255, 107, 53, 0) 42%),
    var(--color-navy);
  color: var(--color-sheet);
}

.page-home .ph-data .ph-section__note {
  color: rgba(230, 235, 240, .68);
  border-left-color: var(--color-orange);
}

.page-home .ph-data .ph-section__label {
  color: var(--color-volt);
}

.page-home .ph-data h2 {
  color: var(--color-sheet);
}

.page-home .ph-data .ph-section__intro {
  color: rgba(230, 235, 240, .72);
}

.page-home .ph-data__grid {
  display: grid;
  gap: 1.5rem;
}

.page-home .ph-data__card {
  background: rgba(230, 235, 240, .06);
  border: 1px solid rgba(230, 235, 240, .14);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: transform .25s ease, box-shadow .25s ease;
}

.page-home .ph-data__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.page-home .ph-data__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 1.2rem;
}

.page-home .ph-data__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .9rem;
}

.page-home .ph-data__head .tag {
  background: rgba(255, 107, 53, .16);
  color: var(--color-orange);
  border-radius: var(--radius);
}

.page-home .ph-data__card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 .55rem;
}

.page-home .ph-data__card p {
  color: rgba(230, 235, 240, .82);
  font-size: .9rem;
  line-height: 1.7;
  margin: 0;
}

.page-home .ph-data__spec {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.1rem;
}

.page-home .ph-data__spec span {
  font-size: .74rem;
  color: rgba(230, 235, 240, .75);
  border: 1px solid rgba(230, 235, 240, .2);
  border-radius: 99px;
  padding: .3rem .65rem;
  background: rgba(10, 30, 60, .32);
}

.page-home .ph-data__link {
  display: inline-block;
  margin-top: 1.15rem;
  color: var(--color-orange);
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 53, .4);
}

/* ===== 帮助中心三栏预览 ===== */
.page-home .ph-help {
  background: var(--color-sheet);
  border-bottom: var(--line);
}

.page-home .ph-help__layout {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.page-home .ph-help__col {
  background: #fff;
  border: var(--line);
  border-top: 3px solid var(--color-clay);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
}

.page-home .ph-help__col h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 .8rem;
}

.page-home .ph-help__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .ph-help__col li {
  border-bottom: var(--line-soft);
  padding: .6rem 0;
  font-size: .9rem;
  color: var(--color-navy);
}

.page-home .ph-help__col li:last-child {
  border-bottom: 0;
}

.page-home .ph-help__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.page-home .ph-help__actions {
  margin-top: 1.2rem;
}

.page-home .ph-help__actions .button--ghost {
  background: transparent;
  color: var(--color-navy);
  border: 1px solid var(--color-slate);
}

/* ===== 联系与反馈 ===== */
.page-home .ph-contact {
  background: var(--color-cream);
}

.page-home .ph-contact__layout {
  display: grid;
  gap: 1.8rem;
}

.page-home .ph-contact__feedback {
  background: var(--color-navy);
  color: var(--color-sheet);
  border-left: 4px solid var(--color-orange);
  border-radius: var(--radius);
  padding: 1.7rem 1.8rem;
}

.page-home .ph-contact__feedback h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--color-sheet);
  margin: .9rem 0 .7rem;
}

.page-home .ph-contact__feedback p {
  color: rgba(230, 235, 240, .82);
  font-size: .92rem;
  line-height: 1.75;
  margin: 0 0 1.2rem;
  max-width: 34rem;
}

.page-home .ph-contact__feedback .tag--alert {
  background: rgba(255, 107, 53, .16);
  color: var(--color-orange);
  border-radius: var(--radius);
}

.page-home .ph-contact__info {
  background: #fff;
  border: var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.7rem;
}

.page-home .ph-contact__info h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 1rem;
  padding-bottom: .6rem;
  border-bottom: var(--line);
}

.page-home .ph-contact__info p {
  display: block;
  margin: .5rem 0;
  font-size: .9rem;
  line-height: 1.65;
  color: var(--color-slate);
}

.page-home .ph-contact__info strong {
  font-weight: 600;
  color: var(--color-navy);
}

.page-home .ph-contact__foot {
  margin-top: 1.8rem;
  font-size: .9rem;
}

.page-home .ph-contact__foot a {
  color: var(--color-navy);
  text-decoration: none;
  border-bottom: 1px solid var(--color-orange);
}

/* ===== 桌面增强 ===== */
@media (min-width: 760px) {
  .page-home .ph-entry__layout {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .ph-entry__card--member {
    grid-column: span 6;
  }

  .page-home .ph-entry__card--search {
    grid-column: span 3;
  }

  .page-home .ph-entry__card--save {
    grid-column: span 3;
  }

  .page-home .ph-data__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--gutter);
    align-items: start;
  }

  .page-home .ph-data__card + .ph-data__card {
    margin-top: 3.2rem;
  }

  .page-home .ph-help__layout {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .ph-contact__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-home .ph-section__grid {
    grid-template-columns: 11rem minmax(0, 1fr);
    column-gap: clamp(2.5rem, 6vw, 5rem);
  }

  .page-home .ph-section__note {
    position: sticky;
    top: 2rem;
    align-self: start;
  }

  .page-home .ph-ver__line {
    grid-template-columns: 9rem 1fr auto 1fr;
    align-items: center;
  }

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

@media (min-width: 920px) {
  .page-home .ph-hero__inner {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: clamp(1.5rem, 5vw, 4rem);
  }

  .page-home .ph-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.7rem);
  }

  .page-home .ph-hero__lead {
    font-size: 1.02rem;
  }

  .page-home .ph-hero__visual {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-entry__card,
  .page-home .ph-data__card,
  .page-home .ph-ver__line {
    transform: none !important;
    transition: none !important;
  }
}