/* ============================================================
   首页 · 夜间葡萄园 × 港澳霓虹
   非对称双轴海报式首屏 + 连续画布分区
   ============================================================ */

.page-home {
  --home-line: rgba(199, 154, 232, .16);
  --home-line-strong: rgba(199, 154, 232, .32);
  --home-soft: rgba(58, 28, 85, .72);
  position: relative;
  background-color: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  padding: calc(var(--head-h) + clamp(22px, 4vw, 54px)) 0 clamp(46px, 7vw, 96px);
  overflow: hidden;
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .42;
}

.page-home .hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(88% 68% at 12% 6%, rgba(123, 63, 160, .58), transparent 64%),
    radial-gradient(66% 58% at 94% 88%, rgba(242, 193, 78, .13), transparent 72%),
    linear-gradient(178deg, rgba(11, 7, 20, .78) 0%, rgba(11, 7, 20, .88) 54%, var(--ink) 100%);
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 5vw, 56px);
  align-items: start;
}

.page-home .hero__crumbs {
  margin-bottom: clamp(18px, 2.4vw, 30px);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-home .hero__title {
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1vw, 14px);
  margin: 0 0 clamp(18px, 2.4vw, 32px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.025em;
}

.page-home .hero__brand {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(46px, 8.8vw, 128px);
  line-height: .96;
  color: var(--paper);
  text-shadow: 0 0 72px rgba(242, 193, 78, .18);
}

.page-home .hero__sub {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.3vw, 16px);
  font-weight: 500;
  letter-spacing: .24em;
  color: var(--neon);
}

.page-home .hero__lead {
  max-width: 32ch;
  margin: 0 0 clamp(26px, 3.4vw, 42px);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.78;
  color: var(--frost);
}

.page-home .hero__switch {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .vcard {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 24px;
  border: 1px solid var(--home-line);
  border-radius: var(--r-card);
  background: linear-gradient(158deg, rgba(58, 28, 85, .94), rgba(21, 16, 36, .96));
  color: var(--paper);
  text-decoration: none;
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-home .vcard::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 18px;
  width: 46px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--neon);
}

.page-home .vcard--steady::before {
  background: var(--vine);
}

.page-home .vcard:hover,
.page-home .vcard:focus-visible {
  transform: translateY(-4px);
  border-color: var(--neon);
  box-shadow: 0 24px 50px -28px rgba(242, 193, 78, .58);
}

.page-home .vcard__kicker {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--neon);
}

.page-home .vcard--steady .vcard__kicker {
  color: var(--vine);
}

.page-home .vcard__no {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.2vw, 27px);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-home .vcard__meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-home .vcard__note {
  font-size: 14px;
  line-height: 1.68;
  color: var(--frost);
}

/* 右轴 · 手机版更新速览 */

.page-home .hero__right {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-content: start;
}

.page-home .hero__right-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--vine);
}

.page-home .hero__right-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--home-line);
}

.page-home .shot {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-card);
  background: linear-gradient(150deg, var(--grape-deep), var(--ink-2));
  box-shadow: 0 26px 64px -34px rgba(0, 0, 0, .92);
}

.page-home .shot img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .shot--hero { aspect-ratio: 3 / 4; }
.page-home .shot--supply { aspect-ratio: 3 / 2; }
.page-home .shot--library { aspect-ratio: 4 / 5; }

.page-home .shot__tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 5px 11px;
  border-radius: var(--r-pill);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.page-home .updates {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--home-line);
}

.page-home .updates__item {
  padding: 14px 0;
  border-bottom: 1px solid var(--home-line);
}

.page-home .updates__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 6px;
}

.page-home .updates__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--neon);
}

.page-home .updates__type {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-home .updates__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--frost);
}

.page-home .updates__more {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(242, 193, 78, .42);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--neon);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .updates__more::after {
  content: "→";
}

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

/* ---------- 藤蔓分隔 ---------- */

.page-home .vine-rule {
  line-height: 0;
  color: var(--grape);
  opacity: .55;
}

.page-home .vine-rule svg {
  display: block;
  width: 100%;
  height: clamp(26px, 4.6vw, 58px);
}

/* ---------- 通用章节 ---------- */

.page-home .band {
  position: relative;
  padding: clamp(54px, 8vw, 112px) 0;
}

.page-home .band__head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(32px, 5vw, 60px);
}

.page-home .band__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(34px, 5.4vw, 72px);
  font-weight: 500;
  line-height: .92;
  letter-spacing: -.02em;
  color: var(--neon);
}

.page-home .band__title {
  max-width: 22ch;
  margin: 0;
  font-size: clamp(27px, 4.2vw, 52px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.015em;
}

.page-home .band__lead {
  max-width: 44ch;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 01 直供链路 ---------- */

.page-home .band--supply {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 46%, var(--ink-2) 100%);
}

.page-home .supply {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.page-home .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  counter-reset: stepc;
}

.page-home .steps__item {
  position: relative;
  padding-left: clamp(48px, 6vw, 68px);
}

.page-home .steps__item::before {
  counter-increment: stepc;
  content: "0" counter(stepc);
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r-pill);
  background: var(--neon);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
}

.page-home .steps__name {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-home .steps__text {
  max-width: 42ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .supply__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--home-line);
  list-style: none;
}

.page-home .supply__facts li {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--frost);
}

.page-home .supply__facts strong {
  margin-right: 7px;
  font-size: 19px;
  color: var(--neon);
}

.page-home .supply__more {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .supply__more a {
  color: var(--frost);
  text-decoration: none;
  border-bottom: 1px solid var(--home-line-strong);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .supply__more a:hover {
  color: var(--neon);
  border-color: var(--neon);
}

/* ---------- 02 资料库 ---------- */

.page-home .band--library {
  background:
    radial-gradient(78% 58% at 90% 4%, rgba(123, 63, 160, .34), transparent 66%),
    var(--ink-2);
}

.page-home .library__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  margin-bottom: clamp(32px, 5vw, 58px);
}

.page-home .library__top .band__head {
  margin-bottom: 0;
}

.page-home .layers {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 1.6vw, 20px);
}

.page-home .layer {
  position: relative;
  border-top: 2px solid var(--grape);
  border-radius: var(--r-card);
  background: linear-gradient(180deg, var(--home-soft) 0%, rgba(21, 16, 36, .92) 100%);
  overflow: hidden;
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}

.page-home .layer:hover {
  transform: translateY(-3px);
}

.page-home .layer--1 { border-top-color: var(--vine); }
.page-home .layer--2 { border-top-color: var(--grape); }
.page-home .layer--3 { border-top-color: var(--frost); }
.page-home .layer--4 { border-top-color: var(--neon); }

.page-home .layer[open] {
  border-top-color: var(--neon);
}

.page-home .layer__sum {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 20px 18px 14px;
  list-style: none;
  cursor: pointer;
  font-size: clamp(18px, 1.9vw, 22px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

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

.page-home .layer__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--neon);
  transition: transform .22s var(--ease);
}

.page-home .layer[open] .layer__sum::after {
  transform: rotate(45deg);
}

.page-home .layer__hint {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-home .layer__text {
  margin: 0;
  padding: 0 18px 22px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--frost);
}

.page-home .library__more {
  margin: clamp(26px, 3.6vw, 40px) 0 0;
}

.page-home .library__more a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(242, 193, 78, .42);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--neon);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .library__more a::after { content: "→"; }

.page-home .library__more a:hover {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 03 问题反馈 ---------- */

.page-home .band--issues {
  background: var(--ink);
}

.page-home .issues {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 26px);
}

.page-home .issue {
  padding: 26px 22px;
  border-left: 2px solid var(--grape);
  border-radius: var(--r-card);
  background: linear-gradient(168deg, rgba(58, 28, 85, .58), rgba(21, 16, 36, .5));
}

.page-home .issue__name {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .issue__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .issues__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--home-line);
  list-style: none;
}

.page-home .issues__stats li {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--frost);
}

.page-home .issues__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin: clamp(24px, 3.2vw, 36px) 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .issues__cta a:not(.btn) {
  color: var(--frost);
  text-decoration: none;
  border-bottom: 1px solid var(--home-line-strong);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .issues__cta a:not(.btn):hover {
  color: var(--neon);
  border-color: var(--neon);
}

/* ---------- 04 回访路径 ---------- */

.page-home .band--loop {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-home .loop {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 30px);
}

.page-home .loop__item {
  padding-top: 20px;
  border-top: 1px solid var(--home-line-strong);
}

.page-home .loop__idx {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--neon);
}

.page-home .loop__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
}

.page-home .loop__text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .loop__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--home-line-strong);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--frost);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .loop__link::after { content: "→"; }

.page-home .loop__link:hover,
.page-home .loop__link:focus-visible {
  color: var(--neon);
  border-color: var(--neon);
}

/* ---------- 断点 ---------- */

@media (min-width: 560px) {
  .page-home .hero__switch {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-home .layers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-home .supply {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-home .library__top {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-home .library__figure {
    margin-bottom: clamp(0px, 2vw, 24px);
  }
}

@media (min-width: 980px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 4vw, 72px);
  }

  .page-home .hero__right {
    padding-left: clamp(24px, 3vw, 42px);
    border-left: 1px solid var(--home-line);
  }
}

@media (min-width: 1080px) {
  .page-home .layers {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (max-width: 699px) {
  .page-home .hero__brand {
    letter-spacing: -.02em;
  }

  .page-home .band__title {
    max-width: none;
  }

  .page-home .steps__item {
    padding-left: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .vcard,
  .page-home .layer,
  .page-home .updates__more,
  .page-home .library__more a,
  .page-home .loop__link,
  .page-home .supply__more a,
  .page-home .issues__cta a:not(.btn) {
    transition: none;
  }

  .page-home .vcard:hover,
  .page-home .layer:hover {
    transform: none;
  }
}