.page-home {
  --home-gutter: 20px;
  --home-line: rgba(62, 143, 176, .30);
  --home-panel: rgba(6, 26, 43, .55);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
  padding-top: var(--header-h);
}

/* 左缘章节索引 */
.page-home nav[data-index-rail] {
  display: none;
}

/* 章节公共头部 */
.page-home .sec-head {
  max-width: var(--shell);
  margin-inline: auto;
  padding: 44px var(--home-gutter) 18px;
}

.page-home .sec-h2 {
  margin: 10px 0 10px;
  font-size: clamp(23px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--navy-800);
}

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

.page-home .sec-note {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(13, 21, 28, .72);
}

/* ============ 首屏 ============ */
.page-home .hero {
  position: relative;
  isolation: isolate;
  color: var(--paper);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(47, 191, 166, .26), transparent 58%),
    radial-gradient(90% 70% at 8% 0%, rgba(23, 85, 127, .62), transparent 62%),
    linear-gradient(135deg, #061A2B 0%, #0B3355 48%, #0E2A44 100%);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--home-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--home-line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .45;
  -webkit-mask-image: linear-gradient(160deg, #000 0%, transparent 74%);
  mask-image: linear-gradient(160deg, #000 0%, transparent 74%);
}

.page-home .hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 28px;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 40px var(--home-gutter) 48px;
}

.page-home .hero-context {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(245, 248, 250, .7);
}

.page-home .hero-title {
  margin: 0 0 20px;
  font-size: clamp(34px, 7.4vw, 68px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.02em;
  color: #fff;
}

.page-home .hero-title em {
  font-style: normal;
  color: var(--coral-soft);
}

.page-home .hero-lede {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(245, 248, 250, .84);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.page-home .hero-stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  color: rgba(245, 248, 250, .62);
}

.page-home .hero-stamp .mono {
  letter-spacing: .1em;
}

.page-home .hero-visual {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  border: 1px solid rgba(62, 143, 176, .38);
  background: linear-gradient(135deg, rgba(23, 85, 127, .55), rgba(6, 26, 43, .9));
}

.page-home .hero-visual img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .78;
  mix-blend-mode: screen;
}

.page-home .hero-waves {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  color: rgba(255, 255, 255, .22);
  pointer-events: none;
}

.page-home .hero-visual::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  height: 20px;
  border-top: 1px solid rgba(245, 248, 250, .28);
  background: repeating-linear-gradient(90deg, rgba(245, 248, 250, .5) 0 1px, transparent 1px 24px);
}

.page-home .hero-rail-note {
  position: absolute;
  top: 14px;
  right: 10px;
  z-index: 4;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .3em;
  color: rgba(245, 248, 250, .55);
}

/* ============ 栏目索引带 ============ */
.page-home .cols {
  background: var(--paper);
  padding-bottom: 56px;
}

.page-home .cols-list {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0 auto;
  padding: 0 var(--home-gutter);
  max-width: var(--shell);
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .col-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 176px;
  padding: 18px 16px 16px;
  background: var(--navy-800);
  color: var(--paper);
  text-decoration: none;
  transition: background var(--t-base) var(--ease);
}

.page-home .col-cell:hover,
.page-home .col-cell:focus-visible {
  background: var(--navy-600);
}

.page-home .col-cell:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: -2px;
}

.page-home .col-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--coral);
}

.page-home .col-name {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: .01em;
}

.page-home .col-use {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(245, 248, 250, .78);
}

.page-home .col-state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--teal);
}

.page-home .col-more {
  margin-top: auto;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding-top: 0;
  border-top: 1px solid transparent;
  font-size: 12px;
  line-height: 1.65;
  color: rgba(245, 248, 250, .92);
  transition: max-height var(--t-base) var(--ease), opacity var(--t-base) var(--ease),
              padding-top var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.page-home .col-cell:hover .col-more,
.page-home .col-cell:focus-visible .col-more,
.page-home .col-cell:focus-within .col-more {
  max-height: 140px;
  opacity: 1;
  padding-top: 10px;
  border-top-color: rgba(245, 248, 250, .26);
}

/* ============ 会员权益 ============ */
.page-home .member {
  position: relative;
  overflow: hidden;
  padding: 48px 0;
  color: var(--paper);
  background:
    radial-gradient(90% 80% at 92% 0%, rgba(47, 191, 166, .22), transparent 62%),
    linear-gradient(135deg, #061A2B 0%, #0B3355 62%, #17557F 100%);
}

.page-home .member-grid {
  display: grid;
  gap: 28px;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--home-gutter);
}

.page-home .member-lede {
  margin: 0 0 22px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 248, 250, .82);
}

.page-home .member-strip {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: rgba(245, 248, 250, .2);
  border: 1px solid rgba(245, 248, 250, .2);
}

.page-home .member-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px 14px;
  background: var(--home-panel);
}

.page-home .member-name {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: rgba(245, 248, 250, .74);
}

.page-home .member-num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1.05;
  letter-spacing: .02em;
  color: var(--coral-soft);
}

.page-home .member-note {
  font-size: 12px;
  line-height: 1.65;
  color: rgba(245, 248, 250, .72);
}

/* ============ 案例轨道 ============ */
.page-home .cases {
  background: var(--paper);
  padding-bottom: 56px;
}

.page-home .case-track {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px max(var(--home-gutter), calc((100vw - var(--shell)) / 2 + var(--home-gutter))) 24px;
  scrollbar-width: thin;
}

.page-home .case-track:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-home .case-card {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--mist);
  transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.page-home .case-card:hover {
  transform: translateY(-2px);
  border-color: var(--coral);
}

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

.page-home .case-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
}

.page-home .case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.page-home .case-title {
  margin: 0;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.35;
  color: var(--navy-800);
}

.page-home .case-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: rgba(13, 21, 28, .74);
}

.page-home .case-more {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--coral);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-home .case-more:hover {
  border-bottom-color: var(--coral);
}

.page-home .case-more:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

/* ============ 当季资料与订阅 ============ */
.page-home .kit {
  padding: 48px 0 56px;
  background: linear-gradient(180deg, var(--paper), var(--mist));
}

.page-home .kit-card {
  position: relative;
  overflow: hidden;
  display: grid;
  max-width: var(--shell);
  margin-inline: auto;
  background: var(--navy-900);
  color: var(--paper);
  border: 1px solid var(--line-dark);
}

.page-home .kit-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  mix-blend-mode: screen;
  pointer-events: none;
}

.page-home .kit-body,
.page-home .kit-sub {
  position: relative;
  z-index: 1;
}

.page-home .kit-body {
  padding: 28px 20px 26px;
}

.page-home .kit-lede {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 248, 250, .84);
}

.page-home .kit-fmts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
}

.page-home .kit-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 0 20px;
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(245, 248, 250, .66);
}

.page-home .kit-sub {
  padding: 24px 20px 28px;
  background: var(--home-panel);
  border-top: 1px solid rgba(62, 143, 176, .4);
}

.page-home .kit-sub-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--teal);
}

.page-home .kit-sub-text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 248, 250, .82);
}

.page-home .sub-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 15px;
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(245, 248, 250, .42);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-home .sub-toggle:hover {
  border-color: var(--coral);
  color: var(--coral-soft);
}

.page-home .sub-toggle:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-home .sub-toggle-on {
  display: none;
}

.page-home .sub-toggle[aria-pressed="true"] {
  border-color: var(--teal);
  color: var(--teal);
}

.page-home .sub-toggle[aria-pressed="true"] .sub-toggle-on {
  display: inline;
}

.page-home .sub-toggle[aria-pressed="true"] .sub-toggle-off {
  display: none;
}

.page-home .kit-sub-hint {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(245, 248, 250, .6);
}

/* ============ 数据带 ============ */
.page-home .scale {
  padding: 36px 0;
  background: var(--navy-900);
  color: var(--paper);
}

.page-home .scale-grid {
  display: grid;
  gap: 1px;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--home-gutter);
  padding-block: 1px;
  background: rgba(62, 143, 176, .32);
  border: 1px solid rgba(62, 143, 176, .32);
}

.page-home .scale-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 16px;
  background: var(--navy-900);
}

.page-home .scale-item .stat-num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: .02em;
  color: #fff;
}

.page-home .scale-item .stat-label {
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: .02em;
  color: rgba(245, 248, 250, .7);
}

.page-home .scale-item--key .stat-num {
  align-self: flex-start;
  padding: 2px 8px;
  background: var(--coral);
  color: #fff;
}

/* ============ 下一步 ============ */
.page-home .next {
  padding-bottom: 60px;
  background: var(--paper);
}

.page-home .next-grid {
  display: grid;
  gap: 16px;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--home-gutter);
}

.page-home .next-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 200px;
  padding: 26px 22px 22px;
  background: #fff;
  border: 1px solid var(--mist);
  color: var(--ink);
  text-decoration: none;
  transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.page-home .next-card:hover {
  transform: translateY(-2px);
  border-color: var(--coral);
}

.page-home .next-card:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-home .next-card--dark {
  background: var(--navy-800);
  border-color: var(--navy-600);
  color: var(--paper);
}

.page-home .next-kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--coral);
}

.page-home .next-title {
  margin: 0;
  font-size: 21px;
  font-weight: 900;
  line-height: 1.3;
}

.page-home .next-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(13, 21, 28, .74);
}

.page-home .next-card--dark .next-text {
  color: rgba(245, 248, 250, .8);
}

.page-home .next-go {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--coral);
}

/* ============ 断点 ============ */
@media (min-width: 760px) {
  .page-home {
    --home-gutter: 32px;
  }

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

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

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

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

@media (min-width: 900px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 58fr) minmax(0, 42fr);
    align-items: stretch;
    gap: 40px;
    max-width: none;
    padding-left: max(var(--home-gutter), calc((100vw - var(--shell)) / 2 + var(--home-gutter)));
    padding-right: 0;
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .page-home .hero-main {
    max-width: 660px;
    align-self: center;
  }

  .page-home .hero-visual {
    min-height: 520px;
    border-right: 0;
  }

  .page-home .member-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 40px;
  }

  .page-home .kit-card {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .kit-body,
  .page-home .kit-sub {
    padding: 36px 32px;
  }

  .page-home .kit-sub {
    border-top: 0;
    border-left: 1px solid rgba(62, 143, 176, .4);
  }

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

  .page-home .case-card--shift {
    margin-top: 32px;
  }

  .page-home .next-grid {
    gap: 24px;
  }
}

@media (min-width: 1100px) {
  .page-home .cols-list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .page-home nav[data-index-rail] {
    display: flex;
    position: fixed;
    left: 14px;
    top: 50%;
    z-index: 30;
    transform: translateY(-50%);
    flex-direction: column;
    gap: 4px;
  }
}

.page-home .home-rail-item {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 2px 6px 6px;
  color: var(--navy-600);
  text-decoration: none;
  font-size: 11px;
  border-left: 2px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .home-rail-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
}

.page-home .home-rail-txt {
  writing-mode: vertical-rl;
  letter-spacing: .3em;
}

.page-home .home-rail-item:hover,
.page-home .home-rail-item[aria-current="true"] {
  color: var(--coral);
  border-left-color: var(--coral);
}

.page-home .home-rail-item:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-home .col-cell,
  .page-home .col-more,
  .page-home .case-card,
  .page-home .next-card,
  .page-home .sub-toggle {
    transition: none;
  }
}
<<<END>>>