/* ===== 页面专属：page-home ===== */
.page-home {
  --ph-gold-gradient: linear-gradient(135deg, var(--color-primary-deep-blue) 0%, #0F2B5A 40%, #1A3A6A 70%, var(--color-primary-gold) 100%);
  --ph-card-shadow: 6px 6px 0 rgba(10, 31, 68, 0.10);
  --ph-hero-min-height: clamp(80vh, 90vh, 100vh);
  --ph-fab-size: 64px;
  --ph-timeline-gap: 24px;
  position: relative;
}

/* ---------- 首屏声明区 ---------- */
.ph-hero {
  position: relative;
  min-height: var(--ph-hero-min-height);
  background: var(--ph-gold-gradient);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-height) + 24px) var(--content-padding) 60px;
}

.ph-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.20;
  mix-blend-mode: overlay;
}

.ph-hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.ph-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  grid-template-rows: auto auto;
  grid-template-areas:
    "brand   statement"
    "dir     dir";
  gap: 32px 48px;
  align-items: end;
}

.ph-hero__brand {
  grid-area: brand;
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.ph-hero__big {
  font-size: clamp(5rem, 18vw, 12rem);
  font-weight: 900;
  line-height: 0.85;
  color: var(--color-primary-gold);
  text-shadow: 4px 4px 0 rgba(0, 0, 0, 0.15);
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #F5E6B8 0%, var(--color-primary-gold) 60%, #C6963A 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ph-hero__badge {
  font-size: clamp(0.75rem, 1.2vw, 1rem);
  font-weight: 700;
  color: var(--color-accent-cyan);
  background: var(--color-primary-deep-blue);
  padding: 4px 10px;
  border: 2px solid var(--color-primary-gold);
  white-space: nowrap;
  margin-top: 0.5em;
}

.ph-hero__statement {
  grid-area: statement;
}

.ph-hero__title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--color-neutral-white);
  margin: 0 0 12px;
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.ph-hero__desc {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
  max-width: 48ch;
  margin: 0;
}

.ph-hero__dir {
  grid-area: dir;
  margin-top: 24px;
}

.ph-hero__dir-title {
  font-size: clamp(1.1rem, 1.4vw, 1.4rem);
  font-weight: 700;
  color: var(--color-primary-gold);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  letter-spacing: 0.06em;
}

.ph-hero__dir-title::after {
  content: '';
  flex: 1;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-gold), transparent);
}

.ph-dir-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.ph-dir-card {
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
  background: var(--color-secondary-warm-paper);
  border: 4px solid var(--color-primary-deep-blue);
  box-shadow: var(--ph-card-shadow);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
  color: var(--color-secondary-dark-ink);
  cursor: pointer;
  position: relative;
}

.ph-dir-card:hover,
.ph-dir-card:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--color-primary-gold);
  box-shadow: 8px 8px 0 rgba(10, 31, 68, 0.18);
  outline: none;
}

.ph-dir-card:focus-visible {
  outline: 3px solid var(--color-accent-cyan);
  outline-offset: 2px;
}

.ph-dir-card--highlight {
  border-color: var(--color-primary-gold);
  background: #FCF7ED;
}

.ph-dir-card--highlight .ph-dir-card__num {
  color: var(--color-primary-gold);
}

.ph-dir-card__num {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-primary-deep-blue);
  line-height: 1;
  margin-bottom: 6px;
  transition: color var(--transition-base);
}

.ph-dir-card__label {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-secondary-dark-ink);
  line-height: 1.3;
}

.ph-dir-card__note {
  font-size: 0.8rem;
  color: var(--color-primary-deep-blue);
  opacity: 0.7;
  margin-top: 4px;
  line-height: 1.4;
}

.ph-dir-card--more {
  background: transparent;
  border-style: dashed;
  opacity: 0.7;
  justify-content: center;
  align-items: center;
  text-align: center;
  cursor: default;
}

.ph-dir-card--more .ph-dir-card__num {
  font-size: 2.2rem;
  color: var(--color-primary-gold);
}

.ph-hero__mockup {
  position: absolute;
  right: -40px;
  bottom: -20px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  opacity: 0.9;
  pointer-events: none;
}

.ph-hero__mockup-img {
  width: clamp(120px, 18vw, 200px);
  height: auto;
  aspect-ratio: 1 / 2;
  object-fit: cover;
  border: 4px solid var(--color-primary-gold);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.15);
  border-radius: 6px;
}

.ph-hero__mockup-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-primary-gold);
  background: var(--color-primary-deep-blue);
  padding: 2px 8px;
  border: 1px solid var(--color-primary-gold);
  line-height: 1.3;
}

/* ---------- 新用户操作指引入口 ---------- */
.ph-newuser {
  background: var(--color-secondary-warm-paper);
  padding: 64px var(--content-padding);
  border-top: 4px solid var(--color-primary-gold);
  border-bottom: 4px solid var(--color-primary-deep-blue);
}

.ph-newuser__inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.ph-newuser__content {
  flex: 1 1 320px;
}

.ph-newuser__title {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 800;
  color: var(--color-primary-deep-blue);
  margin: 0 0 16px;
  line-height: 1.2;
}

.ph-newuser__desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-secondary-dark-ink);
  max-width: 52ch;
  margin: 0 0 24px;
}

.ph-newuser__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-primary-deep-blue);
  color: var(--color-primary-gold);
  border: 4px solid var(--color-primary-gold);
  padding: 12px 32px;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base);
  box-shadow: 4px 4px 0 var(--color-primary-deep-blue);
}

.ph-newuser__cta:hover,
.ph-newuser__cta:focus-visible {
  background: var(--color-primary-gold);
  color: var(--color-primary-deep-blue);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--color-primary-deep-blue);
  outline: none;
}

.ph-newuser__cta:focus-visible {
  outline: 3px solid var(--color-accent-cyan);
  outline-offset: 2px;
}

.ph-newuser__visual {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-primary-deep-blue);
  padding: 20px 28px;
  border: 4px solid var(--color-primary-gold);
  box-shadow: 8px 8px 0 rgba(10, 31, 68, 0.12);
}

.ph-newuser__icon {
  width: 60px;
  height: 60px;
  object-fit: contain;
  display: block;
  border-radius: 4px;
}

.ph-newuser__visual-num {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--color-primary-gold);
  line-height: 1;
  letter-spacing: 0.08em;
}

/* ---------- 订阅栏目每日更新 ---------- */
.ph-updates {
  background: var(--color-neutral-white);
  padding: 64px var(--content-padding) 80px;
}

.ph-updates__inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.ph-updates__title {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 800;
  color: var(--color-primary-deep-blue);
  margin: 0 0 12px;
  line-height: 1.2;
}

.ph-updates__intro {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-secondary-dark-ink);
  max-width: 56ch;
  margin: 0 0 36px;
}

.ph-updates__timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 40px;
}

.ph-updates__timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 4px;
  background: linear-gradient(180deg, var(--color-primary-gold) 0%, var(--color-primary-deep-blue) 60%, var(--color-accent-cyan) 100%);
  border-radius: 2px;
}

.ph-updates__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  position: relative;
  background: var(--color-secondary-warm-paper);
  border: 2px solid var(--color-neutral-light-gray);
  margin-bottom: 12px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.ph-updates__item:hover {
  border-color: var(--color-primary-gold);
  box-shadow: 4px 4px 0 rgba(10, 31, 68, 0.06);
}

.ph-updates__dot {
  position: absolute;
  left: -28px;
  top: 24px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary-gold);
  border: 3px solid var(--color-primary-deep-blue);
  flex-shrink: 0;
  z-index: 1;
}

.ph-updates__cat {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary-deep-blue);
  min-width: 8ch;
  flex-shrink: 0;
}

.ph-updates__status {
  font-size: 0.95rem;
  color: var(--color-secondary-dark-ink);
  flex: 1;
  line-height: 1.5;
}

.ph-updates__tag {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-neutral-white);
  background: var(--color-primary-deep-blue);
  padding: 2px 10px;
  border: 1px solid var(--color-primary-gold);
  white-space: nowrap;
  flex-shrink: 0;
  align-self: center;
  letter-spacing: 0.04em;
}

/* 不同tag颜色点缀 */
.ph-updates__item:nth-child(1) .ph-updates__tag {
  background: var(--color-accent-cyan);
  color: var(--color-primary-deep-blue);
  border-color: var(--color-accent-cyan);
}

.ph-updates__item:nth-child(2) .ph-updates__tag {
  background: var(--color-primary-gold);
  color: var(--color-primary-deep-blue);
  border-color: var(--color-primary-gold);
}

.ph-updates__item:nth-child(3) .ph-updates__tag {
  background: var(--color-accent-orange);
  color: var(--color-neutral-white);
  border-color: var(--color-accent-orange);
}

.ph-updates__item:nth-child(4) .ph-updates__tag {
  background: var(--color-primary-deep-blue);
  color: var(--color-primary-gold);
  border-color: var(--color-primary-gold);
}

.ph-updates__item:nth-child(5) .ph-updates__tag {
  background: var(--color-secondary-dark-ink);
  color: var(--color-secondary-warm-paper);
  border-color: var(--color-secondary-dark-ink);
}

/* ---------- 右下角固定反馈入口 ---------- */
.ph-fab {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 100;
}

.ph-fab__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: var(--ph-fab-size);
  height: var(--ph-fab-size);
  background: var(--color-primary-deep-blue);
  border: 4px solid var(--color-primary-gold);
  box-shadow: 6px 6px 0 rgba(10, 31, 68, 0.20);
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  border-radius: 50%;
  cursor: pointer;
}

.ph-fab__link:hover,
.ph-fab__link:focus-visible {
  transform: rotate(-8deg) scale(1.05);
  box-shadow: 8px 8px 0 rgba(10, 31, 68, 0.30);
  border-color: var(--color-accent-cyan);
  outline: none;
}

.ph-fab__link:focus-visible {
  outline: 3px solid var(--color-accent-cyan);
  outline-offset: 4px;
}

.ph-fab__icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  display: block;
  transition: transform var(--transition-base);
}

.ph-fab__link:hover .ph-fab__icon {
  transform: rotate(12deg);
}

.ph-fab__text {
  font-size: 0.5rem;
  font-weight: 700;
  color: var(--color-primary-gold);
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- 移动端优先 & 响应式 ---------- */
@media (max-width: 768px) {
  .ph-hero {
    padding: calc(var(--header-height) + 16px) var(--content-padding) 40px;
    min-height: auto;
  }

  .ph-hero__inner {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    grid-template-areas:
      "brand"
      "statement"
      "dir";
    gap: 20px;
  }

  .ph-hero__brand {
    justify-content: flex-start;
  }

  .ph-hero__big {
    font-size: clamp(4rem, 22vw, 6rem);
  }

  .ph-hero__statement {
    text-align: left;
  }

  .ph-hero__title {
    font-size: 1.6rem;
  }

  .ph-hero__desc {
    font-size: 0.95rem;
  }

  .ph-hero__dir-title {
    font-size: 1rem;
    margin-bottom: 16px;
  }

  .ph-dir-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .ph-dir-card {
    padding: 16px 14px;
  }

  .ph-dir-card__num {
    font-size: 1.4rem;
  }

  .ph-dir-card__label {
    font-size: 0.95rem;
  }

  .ph-dir-card__note {
    font-size: 0.72rem;
  }

  .ph-hero__mockup {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: 20px;
    justify-content: flex-end;
    pointer-events: auto;
  }

  .ph-hero__mockup-img {
    width: 100px;
    height: auto;
  }

  .ph-newuser {
    padding: 40px var(--content-padding);
  }

  .ph-newuser__inner {
    flex-direction: column;
    gap: 28px;
  }

  .ph-newuser__content {
    flex: auto;
  }

  .ph-newuser__title {
    font-size: 1.5rem;
  }

  .ph-newuser__desc {
    font-size: 0.95rem;
  }

  .ph-newuser__cta {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
  }

  .ph-newuser__visual {
    width: 100%;
    justify-content: center;
    padding: 16px 20px;
  }

  .ph-updates {
    padding: 40px var(--content-padding) 56px;
  }

  .ph-updates__title {
    font-size: 1.5rem;
  }

  .ph-updates__timeline {
    padding-left: 32px;
  }

  .ph-updates__timeline::before {
    left: 8px;
  }

  .ph-updates__item {
    flex-wrap: wrap;
    gap: 8px 12px;
    padding: 14px 16px;
  }

  .ph-updates__dot {
    left: -24px;
    top: 20px;
    width: 12px;
    height: 12px;
  }

  .ph-updates__cat {
    min-width: auto;
    font-size: 0.9rem;
    width: 100%;
  }

  .ph-updates__status {
    font-size: 0.85rem;
    width: 100%;
  }

  .ph-updates__tag {
    font-size: 0.6rem;
    margin-left: auto;
  }

  .ph-fab {
    bottom: 20px;
    right: 20px;
  }

  .ph-fab__link {
    width: 52px;
    height: 52px;
  }

  .ph-fab__icon {
    width: 22px;
    height: 22px;
  }

  .ph-fab__text {
    font-size: 0.45rem;
  }
}

@media (max-width: 480px) {
  .ph-dir-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .ph-dir-card {
    padding: 14px 12px;
  }

  .ph-dir-card__num {
    font-size: 1.2rem;
  }

  .ph-hero__big {
    font-size: 3.6rem;
  }

  .ph-hero__title {
    font-size: 1.35rem;
  }

  .ph-hero__desc {
    font-size: 0.9rem;
  }

  .ph-newuser__title {
    font-size: 1.3rem;
  }

  .ph-updates__title {
    font-size: 1.3rem;
  }

  .ph-updates__timeline {
    padding-left: 28px;
  }

  .ph-updates__dot {
    left: -20px;
    width: 10px;
    height: 10px;
    top: 18px;
  }
}

/* 桌面端大屏微调 */
@media (min-width: 1200px) {
  .ph-hero__inner {
    grid-template-columns: 1fr 1.4fr;
    gap: 48px 64px;
  }

  .ph-dir-grid {
    gap: 20px;
  }

  .ph-dir-card {
    padding: 24px 22px;
  }

  .ph-hero__mockup {
    right: -60px;
    bottom: -30px;
  }

  .ph-hero__mockup-img {
    width: clamp(160px, 20vw, 240px);
  }
}