.page-home {
  --home-gold: #D4AF37;
  --home-teal: #00A88E;
  --home-teal-soft: #7DD8C8;
  --home-dark: #1E1E1E;
  --home-mid: #2A2A2A;
  --home-line: rgba(255, 255, 255, 0.08);
  --home-gold-line: rgba(212, 175, 55, 0.45);
  --home-shadow: 0 18px 32px rgba(0, 0, 0, 0.35);

  position: relative;
  background: var(--sg-bg);
  color: var(--sg-text);
  font-family: var(--sg-font-sans);
  line-height: 1.75;
  padding-top: var(--sg-header-h);
  overflow-x: hidden;
}

.page-home h2 {
  margin: 0 0 16px;
  font-family: var(--sg-font-serif);
  font-size: clamp(1.375rem, 1.1rem + 1.2vw, 1.875rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--sg-text);
}

.page-home h3 {
  margin: 0 0 10px;
  font-family: var(--sg-font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--sg-text);
}

.page-home section[id] {
  scroll-margin-top: calc(var(--sg-header-h) + 16px);
}

/* 通用文本链接 */
.ph-text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--home-teal-soft);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(125, 216, 200, 0.35);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.ph-text-link::after {
  content: "→";
  font-family: var(--sg-font-mono);
  transition: transform 0.2s ease;
}

.ph-text-link:hover {
  color: var(--home-gold);
  border-color: var(--home-gold-line);
}

.ph-text-link:hover::after {
  transform: translateX(2px);
}

.ph-text-link:focus-visible,
.ph-hero__btn--primary:focus-visible,
.ph-hero__btn--ghost:focus-visible {
  outline: 2px solid var(--home-gold);
  outline-offset: 3px;
}

/* 按钮 */
.ph-hero__btn--primary,
.ph-hero__btn--ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  font-family: var(--sg-font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.ph-hero__btn--primary {
  background: var(--sg-gradient);
  color: #1E1E1E;
  box-shadow: 0 12px 24px rgba(0, 168, 142, 0.22);
}

.ph-hero__btn--ghost {
  border: 1px solid var(--home-gold-line);
  color: var(--home-gold);
  background: rgba(212, 175, 55, 0.06);
}

.ph-hero__btn--primary:hover,
.ph-hero__btn--ghost:hover {
  transform: translateY(-2px);
}

/* ===== 首屏·门牌 ===== */
.ph-hero {
  position: relative;
  min-height: calc(100vh - var(--sg-header-h));
  min-height: calc(100svh - var(--sg-header-h));
  display: flex;
  align-items: center;
  padding: 42px 20px 40px;
  overflow: hidden;
  background-color: var(--home-dark);
}

.ph-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
}

.ph-hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 74% 42%, rgba(0, 168, 142, 0.28) 0%, transparent 48%),
    linear-gradient(120deg, rgba(30, 30, 30, 0.82) 0%, rgba(30, 30, 30, 0.48) 55%, rgba(30, 30, 30, 0.74) 100%);
}

.ph-hero__particles {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 260px;
  z-index: 1;
  pointer-events: none;
  opacity: 0.7;
}

@media (prefers-reduced-motion: no-preference) {
  .ph-hero__particles circle {
    animation: ph-drift 16s ease-in-out infinite alternate;
  }
  .ph-hero__particles circle:nth-child(2) { animation-delay: -3s; }
  .ph-hero__particles circle:nth-child(3) { animation-delay: -6s; }
  .ph-hero__particles circle:nth-child(4) { animation-delay: -9s; }
  .ph-hero__particles circle:nth-child(5) { animation-delay: -2s; }
  .ph-hero__particles circle:nth-child(6) { animation-delay: -5s; }
  .ph-hero__particles circle:nth-child(7) { animation-delay: -8s; }
  .ph-hero__particles circle:nth-child(8) { animation-delay: -1s; }
  .ph-hero__particles circle:nth-child(9) { animation-delay: -4s; }
}

@keyframes ph-drift {
  0% {
    transform: translateX(-8px);
    opacity: 0.35;
  }
  100% {
    transform: translateX(18px);
    opacity: 0.75;
  }
}

.ph-hero__frame {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 38px 20px 34px;
  background: rgba(30, 30, 30, 0.58);
  border: 1px solid var(--home-line);
  box-shadow: var(--home-shadow);
  backdrop-filter: blur(6px);
}

.ph-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--sg-gradient);
}

.ph-hero__corner {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--home-gold);
  border-radius: 2px;
  pointer-events: none;
}

.ph-hero__corner--tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.ph-hero__corner--tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.ph-hero__corner--bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.ph-hero__corner--br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.ph-hero__compass {
  margin-bottom: 18px;
}

.ph-hero__compass svg {
  display: block;
  width: 58px;
  height: 58px;
  filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.2));
}

.ph-hero__kicker {
  margin: 0 0 10px;
  font-family: var(--sg-font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--home-gold);
}

.ph-hero h1 {
  margin: 0 0 18px;
  font-family: var(--sg-font-serif);
  font-size: clamp(1.6rem, 0.9rem + 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--sg-text);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.5);
}

.ph-hero__lead {
  margin: 0 0 28px;
  max-width: 620px;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(245, 245, 245, 0.82);
}

.ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.ph-hero__hint {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 28px 0 0;
  font-family: var(--sg-font-mono);
  font-size: 0.75rem;
  color: var(--sg-text-muted);
}

.ph-hero__hint span {
  display: inline-flex;
}

.ph-hero__hint span::before {
  content: "[";
  color: var(--home-gold);
}

.ph-hero__hint span::after {
  content: "]";
  color: var(--home-gold);
}

.ph-hero__measures {
  display: none;
  position: absolute;
  z-index: 3;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  gap: 14px;
  font-family: var(--sg-font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.24em;
  color: rgba(245, 245, 245, 0.42);
  text-transform: uppercase;
}

/* ===== 01 更新摘要 ===== */
.ph-update {
  padding: 64px 20px;
  border-top: 1px solid var(--home-line);
}

.ph-update__grid {
  margin-top: 36px;
  display: grid;
  gap: 28px;
  align-items: center;
}

.ph-update__lead {
  margin: 0 0 18px;
  color: rgba(245, 245, 245, 0.76);
}

.ph-update__list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.ph-update__list li {
  position: relative;
  padding-left: 26px;
  color: rgba(245, 245, 245, 0.88);
}

.ph-update__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 12px;
  width: 10px;
  height: 1.5px;
  background: var(--home-teal-soft);
}

.ph-update__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.ph-update__media {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--home-line);
  background: rgba(255, 255, 255, 0.02);
}

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

.ph-update__media figcaption {
  padding: 10px 6px 4px;
  font-family: var(--sg-font-mono);
  font-size: 0.75rem;
  color: var(--sg-text-muted);
  text-align: center;
}

/* ===== 02 站内索引 ===== */
.ph-index {
  padding: 64px 20px;
  background: var(--sg-bg-mid);
  border-top: 1px solid var(--home-line);
}

.ph-index__head {
  margin-top: 32px;
  display: grid;
  gap: 20px;
}

.ph-index__head p {
  margin: 0;
  color: rgba(245, 245, 245, 0.72);
}

.ph-index__count {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  justify-self: start;
  padding: 12px 18px;
  border: 1px solid var(--home-gold-line);
  border-radius: 4px;
  background: rgba(212, 175, 55, 0.07);
}

.ph-index__count-num {
  font-family: var(--sg-font-mono);
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--home-gold);
  line-height: 1;
}

.ph-index__count-unit {
  font-family: var(--sg-font-mono);
  font-size: 0.75rem;
  color: var(--sg-text-muted);
  letter-spacing: 0.08em;
}

.ph-index__alphabet {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 32px;
}

.ph-index__letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 4px;
  border: 1px solid var(--home-line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--sg-text-muted);
  font-family: var(--sg-font-mono);
  font-size: 0.75rem;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.ph-index__letter:hover {
  color: var(--home-gold);
  border-color: var(--home-gold-line);
  background: rgba(212, 175, 55, 0.08);
  transform: translateY(-2px);
}

.ph-index__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.ph-index__tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border: 1px solid rgba(125, 216, 200, 0.25);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--sg-text);
  background: rgba(0, 168, 142, 0.08);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.ph-index__tag:hover {
  border-color: var(--home-teal-soft);
  color: var(--home-teal-soft);
}

.ph-index__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 32px;
}

/* ===== 03 服务范围 ===== */
.ph-coverage {
  position: relative;
  padding: 64px 20px;
  border-top: 1px solid var(--home-line);
}

.ph-coverage__backdrop {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.ph-coverage__backdrop img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.12;
}

.ph-coverage__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--sg-bg) 0%, rgba(30, 30, 30, 0.68) 45%, rgba(30, 30, 30, 0.85) 100%);
}

.ph-coverage .sg-container {
  position: relative;
  z-index: 1;
}

.ph-coverage__intro {
  max-width: 720px;
  margin-top: 30px;
}

.ph-coverage__intro p {
  color: rgba(245, 245, 245, 0.76);
}

.ph-coverage__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 32px 0 0;
  padding: 0;
}

.ph-coverage__stat {
  padding: 16px 10px;
  border: 1px solid var(--home-line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.03);
  text-align: center;
}

.ph-coverage__stat dt {
  margin-bottom: 4px;
  font-family: var(--sg-font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--home-gold);
  line-height: 1;
}

.ph-coverage__stat dd {
  margin: 0;
  font-size: 0.875rem;
  color: var(--sg-text-muted);
}

.ph-coverage__columns {
  display: grid;
  gap: 14px;
  margin-top: 36px;
}

.ph-coverage__col {
  position: relative;
  padding: 20px 16px;
  border: 1px solid var(--home-line);
  border-radius: 4px;
  background: rgba(30, 30, 30, 0.6);
}

.ph-coverage__col-no {
  display: block;
  margin-bottom: 12px;
  font-family: var(--sg-font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--home-gold);
}

.ph-coverage__col p {
  margin: 0 0 16px;
  color: rgba(245, 245, 245, 0.76);
  font-size: 0.9375rem;
}

.ph-coverage__col .ph-text-link {
  font-size: 0.875rem;
}

/* ===== 04 移动端 ===== */
.ph-mobile {
  padding: 64px 20px;
  border-top: 1px solid var(--home-line);
  background: radial-gradient(ellipse at 85% 15%, rgba(0, 168, 142, 0.14), transparent 45%), var(--sg-bg);
}

.ph-mobile__grid {
  display: grid;
  gap: 36px;
  align-items: center;
  margin-top: 32px;
}

.ph-mobile__phone {
  margin: 0;
}

.ph-mobile__phone-frame {
  position: relative;
  max-width: 280px;
  margin: 0 auto;
  padding: 12px;
  border: 1px solid var(--home-line);
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  box-shadow: var(--home-shadow);
}

.ph-mobile__phone-frame::after {
  content: "";
  display: block;
  margin: 10px auto 0;
  height: 2px;
  width: 40%;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.5), transparent);
}

.ph-mobile__phone-dot {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--home-gold-line);
}

.ph-mobile__phone img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
}

.ph-mobile__phone figcaption {
  margin-top: 10px;
  text-align: center;
  font-family: var(--sg-font-mono);
  font-size: 0.75rem;
  color: var(--sg-text-muted);
}

.ph-mobile__content p {
  color: rgba(245, 245, 245, 0.78);
}

.ph-mobile__steps {
  margin: 24px 0;
  padding: 0;
  list-style: none;
  counter-reset: ph-step;
  display: grid;
  gap: 14px;
}

.ph-mobile__steps li {
  counter-increment: ph-step;
  position: relative;
  padding-left: 44px;
  color: rgba(245, 245, 245, 0.82);
  line-height: 1.6;
}

.ph-mobile__steps li::before {
  content: counter(ph-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--home-gold-line);
  border-radius: 50%;
  font-family: var(--sg-font-mono);
  font-size: 0.75rem;
  color: var(--home-gold);
  background: rgba(212, 175, 55, 0.08);
}

.ph-mobile__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

/* ===== 05 会员中心入口 ===== */
.ph-member {
  padding: 64px 20px;
  border-top: 1px solid var(--home-line);
  background: linear-gradient(180deg, rgba(0, 168, 142, 0.06), transparent 60%);
}

.ph-member__inner {
  max-width: 680px;
  margin-top: 30px;
}

.ph-member__mark {
  display: inline-block;
  margin-bottom: 14px;
  padding: 5px 12px;
  border: 1px solid var(--home-gold-line);
  border-radius: 4px;
  font-family: var(--sg-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--home-gold);
}

.ph-member__inner p {
  color: rgba(245, 245, 245, 0.78);
}

.ph-member__features {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.ph-member__features li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--home-line);
  border-left: 3px solid var(--home-teal);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
}

.ph-member__features span:first-child {
  font-family: var(--sg-font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--home-teal-soft);
}

.ph-member__features span:last-child {
  color: var(--sg-text-muted);
  font-size: 0.875rem;
  text-align: left;
}

.ph-member__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 24px;
}

/* ===== 06 信任与资质 ===== */
.ph-trust {
  padding: 64px 20px 40px;
  border-top: 1px solid var(--home-line);
  background: var(--sg-bg-mid);
}

.ph-trust__head {
  max-width: 640px;
  margin-top: 28px;
}

.ph-trust__head p {
  color: rgba(245, 245, 245, 0.74);
}

.ph-trust__list {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.ph-trust__item {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px solid var(--home-line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
}

.ph-trust__no {
  font-family: var(--sg-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--home-gold);
}

.ph-trust__title {
  font-family: var(--sg-font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--sg-text);
}

.ph-trust__desc {
  color: var(--sg-text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.ph-trust__contact {
  display: grid;
  gap: 14px;
  margin: 32px 0 0;
  padding: 20px;
  border: 1px solid var(--home-gold-line);
  border-radius: 4px;
  background: rgba(0, 168, 142, 0.06);
}

.ph-trust__contact > div {
  display: grid;
  gap: 2px;
}

.ph-trust__contact-label {
  font-family: var(--sg-font-mono);
  font-size: 0.6875rem;
  color: var(--sg-text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ph-trust__contact-value {
  font-size: 0.9375rem;
  color: var(--sg-text);
  word-break: break-all;
}

.ph-trust__more {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 24px 0 0;
}

/* ===== 响应式增强 ===== */
@media (min-width: 768px) {
  .ph-hero__measures {
    display: flex;
  }

  .ph-index__stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .ph-coverage__stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .ph-trust__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .ph-trust__contact {
    grid-template-columns: repeat(3, 1fr);
  }

  .ph-member__features li {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .ph-member__features span:last-child {
    text-align: right;
  }
}

@media (min-width: 1025px) {
  .ph-hero {
    padding: 0 40px;
  }

  .ph-hero__frame {
    padding: 64px 64px 52px;
  }

  .ph-hero__inner {
    max-width: 620px;
  }

  .ph-hero__compass svg {
    width: 72px;
    height: 72px;
  }

  .ph-update {
    padding: 88px 20px;
  }

  .ph-update__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
  }

  .ph-index {
    padding: 88px 20px;
  }

  .ph-index__head {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .ph-index__alphabet {
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 0;
  }

  .ph-coverage {
    padding: 88px 20px 90px;
  }

  .ph-coverage__stats {
    margin-top: 40px;
  }

  .ph-coverage__columns {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
    margin-top: 48px;
    border-top: 1px solid var(--home-line);
    border-bottom: 1px solid var(--home-line);
  }

  .ph-coverage__col {
    border: 0;
    border-left: 1px solid var(--home-line);
    border-radius: 0;
    padding: 28px 32px;
    background: transparent;
  }

  .ph-coverage__col:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .ph-mobile {
    padding: 88px 20px;
  }

  .ph-mobile__grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 72px;
    margin-top: 44px;
  }

  .ph-mobile__phone-frame {
    max-width: 320px;
  }

  .ph-member {
    padding: 88px 20px;
  }

  .ph-trust {
    padding: 88px 20px 48px;
  }

  .ph-trust__list {
    grid-template-columns: repeat(3, 1fr);
  }
}