.page-home {
  --ph-glow-cyan: rgba(33, 231, 208, 0.22);
  --ph-glow-mag: rgba(255, 63, 164, 0.20);
  --ph-line-2: 2px solid var(--line-strong);
  --ph-grid-line: rgba(142, 154, 181, 0.14);
  display: block;
  background:
    linear-gradient(180deg, rgba(6, 10, 22, 0) 0%, rgba(6, 10, 22, 0) 100%),
    repeating-linear-gradient(90deg, var(--ph-grid-line) 0 1px, transparent 1px 120px);
}

/* ---------- 顶部上下文条 ---------- */
.page-home .ph-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-home .ph-topbar__chip {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
  border: 1px solid var(--line-strong);
  padding: 4px 10px;
  background: rgba(33, 231, 208, .07);
}

/* ---------- 首屏：非对称分屏 ---------- */
.page-home .ph-hero {
  position: relative;
  padding-top: clamp(28px, 5vw, 64px);
  padding-bottom: clamp(30px, 5vw, 68px);
  overflow: hidden;
}

.page-home .ph-hero__glow {
  position: absolute;
  inset: -10% -30% auto auto;
  width: min(760px, 90vw);
  height: min(760px, 90vw);
  background:
    radial-gradient(circle at 30% 30%, var(--ph-glow-cyan), transparent 62%),
    radial-gradient(circle at 72% 62%, var(--ph-glow-mag), transparent 60%);
  filter: blur(10px);
  pointer-events: none;
}

.page-home .ph-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-home .ph-hero__text .eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
  border-left: 3px solid var(--magenta);
  padding-left: 10px;
  margin-bottom: 14px;
}

.page-home .ph-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(32px, 7.2vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 0 0 clamp(16px, 2vw, 24px);
  color: var(--text);
  text-wrap: balance;
}

.page-home .ph-hero .lede {
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--text-dim);
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-home .ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-home .ph-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-strong);
  border: var(--ph-line-2);
}

.page-home .ph-hero__stats li {
  background: var(--ink-2);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .ph-stat__num {
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.1;
}

.page-home .ph-stat__label {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: .02em;
}

.page-home .ph-hero__media {
  position: relative;
  margin: 0;
  border: var(--ph-line-2);
  box-shadow: var(--shadow-hard);
  background: var(--panel);
}

.page-home .ph-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-home .ph-hero__caption {
  display: block;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--grey);
  padding: 8px 12px;
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

/* ---------- 章节索引 ---------- */
.page-home .ph-index {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 10px;
  padding-bottom: 10px;
  margin-bottom: clamp(24px, 4vw, 44px);
  background: linear-gradient(180deg, var(--ink) 68%, rgba(6, 10, 22, .82) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .ph-index::-webkit-scrollbar { display: none; }

.page-home .ph-index__label {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--magenta);
  text-transform: uppercase;
}

.page-home .ph-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  flex: 0 0 auto;
}

.page-home .ph-index__list a {
  display: block;
  white-space: nowrap;
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  padding: 5px 12px;
  border: 1px solid var(--line-strong);
  transition: color var(--dur), border-color var(--dur), background var(--dur);
}

.page-home .ph-index__list a:hover,
.page-home .ph-index__list a:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  outline: none;
}

/* ---------- 通用章节壳 ---------- */
.page-home .ph-section {
  padding-bottom: clamp(46px, 7vw, 96px);
}

.page-home .ph-section__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px 18px;
  align-items: start;
  margin-bottom: clamp(22px, 3vw, 36px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-home .ph-section__head .section-num {
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
  text-stroke: 1px var(--cyan);
}

.page-home .ph-section__head .section-num--dark {
  -webkit-text-stroke: 1px var(--ink-deep);
  text-stroke: 1px var(--ink-deep);
  color: transparent;
}

.page-home .ph-section__head h2 {
  font-family: var(--font-head);
  font-size: clamp(22px, 3.6vw, 40px);
  line-height: 1.2;
  margin: 0 0 10px;
  color: var(--text);
}

.page-home .ph-section__head .note {
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
  margin: 0;
}

/* ---------- 01 版本节奏 ---------- */
.page-home .ph-version__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-home .ph-tokens {
  display: flex;
  gap: var(--gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 14px;
  scrollbar-width: thin;
}

.page-home .ph-tokens::-webkit-scrollbar { height: 6px; }
.page-home .ph-tokens::-webkit-scrollbar-thumb { background: var(--line-strong); }

.page-home .ph-token {
  flex: 0 0 clamp(238px, 70vw, 300px);
  scroll-snap-align: start;
  background: var(--panel);
  border: var(--ph-line-2);
  box-shadow: var(--shadow-hard);
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow var(--dur), transform var(--dur);
}

.page-home .ph-token:hover {
  box-shadow: 8px 8px 0 0 rgba(33, 231, 208, .24);
  transform: translate(-2px, -2px);
}

.page-home .ph-token__ver {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-home .ph-token h3 {
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.35;
  margin: 0;
  color: var(--text);
}

.page-home .ph-token p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-home .ph-version__hint {
  margin: 0;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--grey);
}

.page-home .ph-version__media {
  margin: 0;
}

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

.page-home .ph-version__cap,
.page-home .ph-download__cap,
.page-home .ph-auth__cap {
  display: block;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--grey);
  padding: 8px 12px;
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

.page-home .ph-version__link {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: 14px;
}

.page-home .ph-version__link a,
.page-home .ph-download__link a,
.page-home .ph-lookup__more a,
.page-home .ph-more__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 231, 208, .4);
  padding-bottom: 1px;
  transition: color var(--dur), border-color var(--dur);
}

.page-home .ph-version__link a:hover,
.page-home .ph-download__link a:hover,
.page-home .ph-lookup__more a:hover,
.page-home .ph-more__foot a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 02 下载通道 ---------- */
.page-home .ph-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-home .ph-channel {
  position: relative;
  border: var(--ph-line-2);
  background: var(--panel);
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}

.page-home .ph-channel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
}

.page-home .ph-channel--stable::before { background: var(--green); }
.page-home .ph-channel--beta::before { background: var(--amber); }
.page-home .ph-channel--archive::before { background: var(--magenta); }

.page-home .ph-channel--beta { box-shadow: var(--shadow-mag); }
.page-home .ph-channel--archive { box-shadow: 6px 6px 0 0 rgba(255, 194, 75, .22); }

.page-home .ph-channel__idx {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--grey);
  text-transform: uppercase;
}

.page-home .ph-channel h3 {
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 26px);
  margin: 0;
  color: var(--text);
}

.page-home .ph-channel > p:not(.ph-channel__idx):not(.ph-channel__meta) {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .ph-channel__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 11.5px;
  letter-spacing: .02em;
  color: var(--grey);
}

.page-home .ph-download__media {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
}

.page-home .ph-download__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-home .ph-download__link {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  font-size: 14px;
}

/* ---------- 03 旧版查询（奶油纸面） ---------- */
.page-home .ph-section--paper {
  padding-left: 0;
  padding-right: 0;
}

.page-home .ph-lookup {
  padding: clamp(22px, 4vw, 48px) clamp(18px, 4vw, 48px);
  border: 2px solid var(--ink-deep);
  box-shadow: 8px 8px 0 0 rgba(255, 138, 43, .35);
}

.page-home .ph-lookup__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 18px;
  align-items: start;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-home .ph-lookup__head h2 {
  grid-column: 2;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.2vw, 34px);
  line-height: 1.22;
  margin: 0;
  color: var(--ink-deep);
}

.page-home .ph-lookup__lede {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: #3A2F26;
  max-width: 72ch;
}

.page-home .ph-lookup__tool {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-home .ph-lookup__tool .search-input {
  flex: 1 1 260px;
  min-width: 0;
  background: #FFFBF2;
  color: var(--ink-deep);
  border: 2px solid var(--ink-deep);
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
}

.page-home .ph-lookup__tool .search-input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 138, 43, .28);
}

.page-home .ph-lookup__count {
  font-size: 11.5px;
  letter-spacing: .06em;
  color: #6A5A4C;
}

.page-home .ph-lookup__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-deep);
}

.page-home .ph-lookup__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 2px;
  border-bottom: 1px solid rgba(28, 22, 17, .22);
}

.page-home .ph-lookup__ver {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-deep);
  letter-spacing: .01em;
}

.page-home .ph-lookup__cat {
  justify-self: start;
}

.page-home .ph-lookup__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #3A2F26;
}

.page-home .ph-lookup__more {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: 14px;
}

.page-home .ph-lookup__more a {
  color: #A8451A;
  border-color: rgba(168, 69, 26, .45);
}

.page-home .ph-lookup__more a:hover {
  color: var(--magenta);
  border-color: var(--magenta);
}

/* ---------- 04 品牌认证 ---------- */
.page-home .ph-auth__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-home .ph-auth__media {
  margin: 0;
}

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

.page-home .ph-auth__rows {
  border: var(--ph-line-2);
  background: var(--panel);
}

.page-home .ph-auth__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

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

.page-home .ph-auth__key {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-home .ph-auth__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}

.page-home .ph-auth__val.mono {
  color: var(--cyan);
  font-size: 15.5px;
  letter-spacing: .01em;
}

.page-home .ph-auth__row--note .ph-auth__val {
  font-size: 13.5px;
  color: var(--text-dim);
}

/* ---------- 05 继续探索 ---------- */
.page-home .ph-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-strong);
  border: var(--ph-line-2);
}

.page-home .ph-more__item {
  background: var(--ink-2);
  padding: clamp(18px, 2.6vw, 30px);
  transition: background var(--dur);
}

.page-home .ph-more__item:hover { background: var(--panel); }

.page-home .ph-more__idx {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--magenta);
}

.page-home .ph-more__item h3 {
  font-family: var(--font-head);
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.3;
  margin: 0 0 10px;
}

.page-home .ph-more__item h3 a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--dur);
}

.page-home .ph-more__item h3 a:hover { color: var(--cyan); }

.page-home .ph-more__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 44ch;
}

.page-home .ph-more__foot {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-home .ph-hero__stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-home .ph-channels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-home .ph-channels .ph-channel--archive { grid-column: 1 / -1; }
  .page-home .ph-lookup__list li {
    grid-template-columns: 130px auto 1fr;
    align-items: baseline;
    gap: 4px 16px;
  }
  .page-home .ph-lookup__cat { justify-self: start; }
  .page-home .ph-auth__row {
    grid-template-columns: 150px 1fr;
    align-items: baseline;
    gap: 6px 18px;
  }
  .page-home .ph-more__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .page-home .ph-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(30px, 4vw, 56px);
  }
  .page-home .ph-section__head {
    grid-template-columns: 90px 1fr;
  }
  .page-home .ph-lookup__head {
    grid-template-columns: 90px 1fr;
  }
  .page-home .ph-lookup__head h2 { grid-column: 2; }
  .page-home .ph-lookup__lede { grid-column: 2; }
  .page-home .ph-channels { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .ph-channels .ph-channel--archive { grid-column: auto; }
  .page-home .ph-auth__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(26px, 4vw, 52px);
  }
  .page-home .ph-version__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(24px, 3.4vw, 42px);
  }
  .page-home .ph-version__media { padding-top: 4px; }
}

@media (min-width: 1200px) {
  .page-home .ph-hero h1 { max-width: 16ch; }
  .page-home .ph-token { flex-basis: clamp(250px, 26%, 320px); }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-token,
  .page-home .ph-more__item,
  .page-home .ph-index__list a { transition: none; }
  .page-home .ph-token:hover { transform: none; }
}