/* ============================================================
   首页 · page-home
   纵向叙事长卷：右侧沙金章节轴，深色与纸白章节交替推进
   ============================================================ */

.page-home {
  --home-pad: clamp(56px, 9vw, 116px);
  --paper-body: #3B4653;
  --paper-ink: #16222F;
  --paper-rule: #D9CFBC;
  --paper-gold: #8A6D12;
  --paper-quiet: #6B7280;
  display: block;
  font-family: var(--font-body);
}

/* ---------- 通栏与小节骨架 ---------- */

.page-home .home-sec {
  position: relative;
  padding: var(--home-pad) 0;
}

.page-home .sec-paper {
  background: var(--paper);
  color: var(--paper-body);
}

.page-home .sec-ink {
  background: var(--ink);
  color: var(--body-text);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .sec-deep {
  background:
    radial-gradient(88% 68% at 88% 8%, rgba(180, 85, 45, .24), transparent 62%),
    radial-gradient(70% 60% at 4% 100%, rgba(201, 162, 39, .12), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--body-text);
}

.page-home h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.62rem, 4.1vw, 2.35rem);
  line-height: 1.28;
  letter-spacing: .005em;
  margin: 0 0 16px;
}

.page-home .sec-ink h2,
.page-home .sec-deep h2 {
  color: var(--paper);
}

.page-home .sec-paper h2 {
  color: var(--paper-ink);
}

.page-home h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.16rem;
  line-height: 1.42;
  margin: 0 0 8px;
}

.page-home .sec-paper h3 {
  color: var(--paper-ink);
}

.page-home .sec-ink h3,
.page-home .sec-deep h3 {
  color: var(--paper);
}

.page-home p {
  margin: 0 0 14px;
}

.page-home .prose {
  max-width: var(--measure);
  line-height: 1.85;
}

.page-home .sec-paper .eyebrow {
  color: var(--paper-gold);
}

.page-home .sec-head {
  max-width: 46em;
  margin-bottom: clamp(26px, 4vw, 44px);
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 8vw, 104px) 0 clamp(60px, 9vw, 118px);
  background:
    radial-gradient(118% 88% at 80% 4%, rgba(201, 162, 39, .22), transparent 58%),
    radial-gradient(88% 68% at 6% 98%, rgba(180, 85, 45, .18), transparent 62%),
    linear-gradient(168deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--body-text);
  border-bottom: 1px solid var(--line);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .55;
  background-image: repeating-linear-gradient(0deg, rgba(244, 237, 224, .03) 0 1px, transparent 1px 3px);
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 5vw, 60px);
  align-items: center;
}

.page-home .hero-context {
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--slate);
  margin: 0 0 18px;
}

.page-home .hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 8.6vw, 5.1rem);
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--paper);
  margin: 0 0 22px;
}

.page-home .hero-title em {
  position: relative;
  display: inline-block;
  font-style: normal;
  color: var(--gold-hi);
}

.page-home .hero-title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -.08em;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0));
}

.page-home .hero-lead {
  max-width: 30em;
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.85;
  color: var(--body-text);
  margin: 0;
}

.page-home .hero-strip {
  margin: 30px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px 16px 16px 6px;
  overflow: hidden;
}

.page-home .strip-item {
  background: rgba(8, 17, 28, .8);
  padding: 15px 16px 17px;
  min-width: 0;
}

.page-home .strip-item dt {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-home .strip-item dd {
  margin: 8px 0 0;
  font-size: .98rem;
  color: var(--paper);
  letter-spacing: .02em;
  word-break: break-word;
}

.page-home .strip-ver {
  color: var(--gold-hi);
  font-size: 1.2rem;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hero-figure {
  margin: 0;
  border-radius: 24px 24px 24px 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: rotate(-.8deg);
}

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

/* ---------- 右侧章节轴 ---------- */

.page-home .home-spine {
  display: none;
}

/* ---------- 当季版本速览 ---------- */

.page-home .season-grid {
  display: grid;
  gap: clamp(30px, 5vw, 64px);
  align-items: start;
}

.page-home .season-figure {
  margin: 0;
  border-radius: 22px 22px 22px 8px;
  overflow: hidden;
  border: 1px solid var(--paper-rule);
  box-shadow: 0 22px 42px -32px rgba(14, 27, 42, .62);
}

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

.page-home .min-spec {
  margin: 26px 0 20px;
  padding: 0;
  border-top: 1px solid var(--paper-rule);
}

.page-home .spec-row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--paper-rule);
}

.page-home .spec-row dt {
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--paper-gold);
}

.page-home .spec-row dd {
  margin: 0;
  font-size: .96rem;
  line-height: 1.7;
  color: var(--paper-ink);
}

.page-home .season-note {
  margin: 0;
  font-size: .9rem;
  color: var(--paper-quiet);
}

/* ---------- 设备配置对照 ---------- */

.page-home .combo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 20px 20px 20px 8px;
  overflow: hidden;
}

.page-home .combo-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 16px 18px;
  background: var(--ink-lift);
}

.page-home .combo-name {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: .98rem;
  color: var(--paper);
}

.page-home .combo-name em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .02em;
  color: var(--slate);
}

.page-home .combo-set {
  font-size: .86rem;
  color: var(--body-text);
}

.page-home .combo-row .tag {
  justify-self: start;
}

.page-home .combo-foot {
  margin: 22px 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--slate);
  max-width: 44em;
}

/* ---------- 三条路径 ---------- */

.page-home .paths-top {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-home .paths-figure {
  margin: 0;
  border-radius: 22px 22px 22px 8px;
  overflow: hidden;
  border: 1px solid var(--paper-rule);
}

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

.page-home .path-grid {
  display: grid;
  gap: 18px;
}

.page-home .path-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  background: #FBF7EE;
  border: 1px solid var(--paper-rule);
  border-radius: 20px 20px 20px 8px;
  color: var(--paper-body);
  box-shadow: 0 18px 34px -32px rgba(14, 27, 42, .7);
}

.page-home .path-idx {
  margin: 0;
  font-size: .8rem;
  letter-spacing: .2em;
  color: var(--paper-gold);
}

.page-home .path-desc {
  margin: 0;
  font-size: .94rem;
  line-height: 1.72;
}

.page-home .path-first {
  margin: 0;
  padding: 12px 14px;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--paper-ink);
  background: rgba(201, 162, 39, .1);
  border-left: 2px solid var(--gold);
  border-radius: 0 10px 10px 0;
}

.page-home .path-first span {
  display: block;
  margin-bottom: 4px;
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--paper-gold);
}

.page-home .path-meta {
  margin: auto 0 0;
  padding-top: 6px;
  font-size: .78rem;
  color: var(--paper-quiet);
}

.page-home .path-link {
  align-self: flex-start;
  font-size: .93rem;
  color: var(--paper-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 109, 18, .38);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .path-link:hover,
.page-home .path-link:focus-visible {
  color: var(--ochre);
  border-color: var(--ochre);
}

/* ---------- 改版读攻略 ---------- */

.page-home .guide-list {
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .guide-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 20px;
  background: var(--ink-lift);
  border: 1px solid var(--line);
  border-radius: 18px 18px 18px 6px;
}

.page-home .guide-item:nth-child(3n+2) {
  border-radius: 6px 18px 18px 18px;
}

.page-home .guide-item:nth-child(3n+3) {
  border-radius: 18px 6px 18px 18px;
}

.page-home .guide-ver {
  margin: 0;
  font-size: 1.14rem;
  letter-spacing: .06em;
  color: var(--gold-hi);
}

.page-home .guide-range {
  margin: 0;
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--slate);
}

.page-home .guide-scope {
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--body-text);
}

/* ---------- 更新节奏 ---------- */

.page-home .cadence-grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-home .cadence-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--paper-rule);
}

.page-home .cadence-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-rule);
  font-size: .95rem;
  line-height: 1.72;
}

.page-home .cadence-list .mono {
  font-size: .8rem;
  color: var(--paper-gold);
}

.page-home .cadence-card {
  padding: 26px 22px;
  background: var(--ink);
  border-radius: 22px 22px 22px 8px;
  color: var(--body-text);
  box-shadow: var(--shadow);
}

.page-home .cadence-card .eyebrow {
  color: var(--gold-hi);
}

.page-home .order-list {
  list-style: none;
  counter-reset: ord;
  margin: 16px 0 0;
  padding: 0;
}

.page-home .order-list li {
  position: relative;
  counter-increment: ord;
  padding-left: 30px;
  margin-bottom: 14px;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--body-text);
}

.page-home .order-list li:last-child {
  margin-bottom: 0;
}

.page-home .order-list li::before {
  content: counter(ord, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .12em;
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--gold);
}

/* ---------- 常见问题 ---------- */

.page-home .qa-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-home .qa-head .prose {
  color: var(--body-text);
}

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

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

.page-home .qa-q {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--paper);
  transition: color .2s var(--ease);
}

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

.page-home .qa-q::after {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  color: var(--gold);
  transition: color .2s var(--ease);
}

.page-home .qa-item[open] .qa-q::after {
  content: "－";
}

.page-home .qa-q:hover,
.page-home .qa-q:focus-visible {
  color: var(--gold-hi);
}

.page-home .qa-a {
  padding: 0 0 20px;
}

.page-home .qa-a p {
  margin: 0;
  max-width: 46em;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--body-text);
}

/* ---------- 联系之前 ---------- */

.page-home .prepare-grid {
  display: grid;
  gap: clamp(28px, 5vw, 60px);
  align-items: center;
}

.page-home .prep-list {
  list-style: none;
  margin: 24px 0 22px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .prep-list li {
  display: grid;
  grid-template-columns: 2.6em 1fr;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(201, 162, 39, .16);
  font-size: .95rem;
  line-height: 1.75;
  color: var(--body-text);
}

.page-home .prep-list .mono {
  font-size: .8rem;
  color: var(--gold);
}

.page-home .prepare-note {
  max-width: 40em;
  font-size: .93rem;
  line-height: 1.82;
  color: var(--slate);
}

.page-home .prepare-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 6px;
}

.page-home .text-link {
  display: inline-block;
  font-size: .93rem;
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 199, 102, .38);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .text-link:hover,
.page-home .text-link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

.page-home .prepare-figure {
  margin: 0;
  border-radius: 24px 24px 24px 8px;
  overflow: hidden;
  border: 1px solid var(--line-cool);
  box-shadow: var(--shadow);
}

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

/* ---------- 显现动效（渐进增强） ---------- */

.has-js .page-home [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .62s var(--ease), transform .62s var(--ease);
}

.has-js .page-home [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .hero-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .spec-row {
    grid-template-columns: 7.5em 1fr;
    align-items: baseline;
    gap: 18px;
  }

  .page-home .cadence-list li {
    grid-template-columns: 9.5em 1fr;
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-home .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .path-card:nth-child(2) {
    transform: translateY(18px);
  }

  .page-home .prep-list li {
    grid-template-columns: 2.6em 1fr;
  }
}

@media (min-width: 800px) {
  .page-home .combo-row {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) auto;
    align-items: center;
    gap: 18px;
    padding: 16px 22px;
  }

  .page-home .combo-row .tag {
    justify-self: end;
  }
}

@media (min-width: 880px) {
  .page-home .paths-top {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
  }
}

@media (min-width: 900px) {
  .page-home .season-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-home .season-figure {
    margin-top: -26px;
  }

  .page-home .cadence-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  }

  .page-home .qa-grid {
    grid-template-columns: minmax(0, .62fr) minmax(0, 1.38fr);
  }

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

@media (min-width: 940px) {
  .page-home .prepare-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

@media (min-width: 960px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

@media (min-width: 1100px) {
  .page-home .guide-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1440px) {
  .page-home .home-spine {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 6;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding-left: 12px;
  }

  .page-home .home-spine::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(180deg, rgba(201, 162, 39, .5), rgba(201, 162, 39, .06));
  }

  .page-home .spine-node {
    position: relative;
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: .72rem;
    letter-spacing: .1em;
    color: var(--slate);
    text-decoration: none;
    transition: color .2s var(--ease);
  }

  .page-home .spine-dot {
    flex: none;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--line-cool);
    transition: background .2s var(--ease), transform .2s var(--ease);
  }

  .page-home .spine-node:hover,
  .page-home .spine-node:focus-visible {
    color: var(--gold-hi);
  }

  .page-home .spine-node:hover .spine-dot,
  .page-home .spine-node:focus-visible .spine-dot {
    background: var(--gold);
    transform: scale(1.5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-figure {
    transform: none;
  }

  .page-home .path-card:nth-child(2) {
    transform: none;
  }

  .has-js .page-home [data-reveal],
  .has-js .page-home [data-reveal].is-revealed {
    opacity: 1;
    transform: none;
    transition: none;
  }
}