@font-face {
  font-family: "YMD Serif";
  src: url("fonts/YMD-Serif-SemiBold.woff2?v=2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "YMD Serif";
  src: url("fonts/YMD-Serif-Black.woff2?v=2") format("woff2");
  font-weight: 900;
  font-display: swap;
}

:root {
  --paper: #f5f1e8;
  --surface: #faf7ef;
  --ink: #2a2624;
  --dim: #6b645a;
  --cinnabar: #a63a2e;
  --hairline: rgba(42, 38, 36, .16);
  --serif: "YMD Serif", "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --latin: Georgia, "Times New Roman", serif;
  --section-space: clamp(48px, 6vw, 80px);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--cinnabar); outline-offset: 5px; }
p { margin: 0; }
.col { width: min(960px, calc(100% - 64px)); margin-inline: auto; }
.dim { color: var(--dim); }
[id] { scroll-margin-top: 28px; }

/* 版心、字号与留白统一；内容自然展开。 */
.hero { position: relative; padding: 104px 0 64px; }
.hero-content { width: min(1040px, calc(100% - 64px)); }
.hero-layout { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: start; }
.hero-label, .eyebrow { color: var(--cinnabar); font-size: 13px; letter-spacing: .1em; margin: 0 0 20px; }
.hero-title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(40px, 4.3vw, 60px);
  line-height: 1.55;
  letter-spacing: .015em;
  margin: 0;
}
.hero-title span { display: block; white-space: nowrap; }
.hero-copy { padding-top: 42px; }
.hero-subtitle { font-size: 18px; line-height: 1.95; margin-bottom: 20px; }
.hero-note { color: var(--dim); font-size: 15px; line-height: 1.9; margin-bottom: 28px; }
.primary-link { display: inline-flex; align-items: center; gap: 18px; padding: 11px 20px; background: var(--cinnabar); color: var(--paper); font-size: 14px; letter-spacing: .04em; transition: background .2s; }
.primary-link:hover { background: #8c3026; }
.back { position: absolute; top: 28px; left: max(32px, calc((100% - 1040px) / 2)); color: var(--dim); font-size: 13px; }
.back:hover { color: var(--cinnabar); }

/* 首页：印章作为落款，高客服务独立成主入口。 */
.page-home .hero { padding-top: 40px; }
.hero-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 60px; }
.hero-brand { display: flex; align-items: center; gap: 18px; }
.hero-brand .latin { color: var(--dim); font-family: var(--latin); font-size: 12px; letter-spacing: .16em; }
.hero-company { color: var(--dim); font-size: 12px; }
.seal { width: 42px; height: 42px; flex: none; display: grid; grid-template-areas: "pa yi" "ba ming"; place-items: center; background: var(--cinnabar); border-radius: 5px; transform: rotate(-3deg); color: var(--paper); font-family: var(--serif); font-weight: 600; font-size: 14px; line-height: 1; }
.seal i { font-style: normal; }
.seal .yi { grid-area: yi; }
.seal .ming { grid-area: ming; }
.seal .ba { grid-area: ba; }
.seal .pa { grid-area: pa; }
.doors { padding: 32px 0 0; }
.doors-intro { margin: 0 0 28px; font-family: var(--serif); font-weight: 600; font-size: 22px; line-height: 1.7; }
.doors-intro span { display: inline-block; white-space: nowrap; }
.pages { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.page-card { padding: 28px 32px; background: var(--surface); border: 1px solid var(--hairline); }
.page-card h3 { margin: 0 0 16px; font-family: var(--serif); font-weight: 600; font-size: 24px; line-height: 1.6; letter-spacing: .025em; }
.page-card p { font-size: 16px; }
.page-card .sub { margin-top: 12px; color: var(--dim); font-size: 14px; }
.page-card-primary { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1.35fr; column-gap: 40px; border-top: 2px solid var(--cinnabar); padding-block: 34px; }
.page-card-primary h3 { grid-column: 1; grid-row: 1 / 4; font-size: 28px; max-width: 8em; margin: 0; }
.page-card-primary h3 span { display: block; white-space: nowrap; }
.page-card-primary > p, .page-card-primary > a { grid-column: 2; }
.page-link { display: inline-block; margin-top: 22px; color: var(--cinnabar); font-size: 14px; letter-spacing: .04em; justify-self: start; }
.page-link .arr { display: inline-block; margin-left: 12px; transition: transform .2s; }
.page-link:hover .arr { transform: translateX(4px); }
.brand-closing { padding: var(--section-space) 0; }
.closing-layout { display: grid; grid-template-columns: 1fr 1.35fr; gap: 40px; border-top: 1px solid var(--hairline); padding-top: 32px; align-items: start; }
.creed p { font-family: var(--serif); font-weight: 600; font-size: 20px; line-height: 1.85; }
.brand-motto { font-family: var(--serif); font-weight: 600; font-size: 27px; line-height: 1.65; margin-bottom: 12px; }
.brand-value { font-size: 14px; color: var(--dim); }

/* 高客页：标题与内容分栏，像馆藏说明一样便于细读。 */
.offer { padding: 24px 0 0; }
.offer-intro { max-width: 680px; margin-bottom: 36px; }
.offer-intro h2, .cooperation h2, .offer-note { font-family: var(--serif); font-weight: 600; font-size: 30px; line-height: 1.65; margin: 0 0 18px; letter-spacing: .02em; }
.offer-intro > p:not(.eyebrow) { color: var(--dim); font-size: 15px; }
.intro-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.jump { display: inline-block; border-bottom: 1px solid var(--hairline); padding: 7px 0; margin-right: 14px; color: var(--dim); font-size: 13px; }
.jump:hover { color: var(--cinnabar); border-color: var(--cinnabar); }
.service-block { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 40px; border-top: 1px solid var(--hairline); padding: 40px 0 44px; }
.service-heading { margin: 0; }
.service-index { display: block; font-family: var(--latin); color: var(--cinnabar); font-size: 22px; margin-bottom: 12px; line-height: 1.3; }
.service-heading h3 { font-family: var(--serif); font-weight: 600; font-size: 28px; line-height: 1.65; margin: 0; letter-spacing: .02em; }
.service-heading h3 span { display: block; white-space: nowrap; }
.product-title { font-family: var(--serif); font-weight: 600; font-size: 22px; line-height: 1.75; margin-bottom: 18px; }
.service-body > p + p { margin-top: 16px; }
.products { margin-top: 28px; }
.products > h4 { margin: 0 0 16px; color: var(--cinnabar); font-size: 14px; font-weight: 400; letter-spacing: .1em; }
.product-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.product-item { border-top: 1px solid var(--hairline); padding-top: 16px; }
.product-item h5 { margin: 0 0 12px; font-family: var(--serif); font-size: 18px; font-weight: 600; line-height: 1.75; }
.product-item p { color: var(--dim); font-size: 14px; line-height: 1.9; }
.memory-service { display: block; }
.memory-intro { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 40px; }
.service-kind { display: block; color: var(--cinnabar); font-size: 13px; letter-spacing: .1em; margin-bottom: 12px; }
.memory-formats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; margin-top: 28px; }
.memory-format { border-top: 1px solid var(--hairline); padding-top: 20px; }
.memory-format h4 { font-family: var(--serif); font-weight: 600; font-size: 22px; line-height: 1.65; margin: 0 0 10px; }
.memory-format p { color: var(--dim); font-size: 15px; line-height: 1.9; }
.memory-format p + p { margin-top: 12px; }
.memory-format .memory-tagline { color: var(--ink); font-family: var(--serif); font-weight: 600; font-size: 17px; line-height: 1.8; margin-bottom: 16px; }
.memory-scope { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 16px; border-left: 2px solid var(--cinnabar); padding-left: 16px; margin: 28px 0 0; color: var(--dim); font-size: 13px; line-height: 1.9; }
.memory-scope dt { color: var(--ink); }
.memory-scope dd { margin: 0; }
.cooperation { padding: var(--section-space) 0 0; }
.cooperation .col { display: grid; grid-template-columns: 240px minmax(0, 1fr); column-gap: 40px; }
.cooperation h2 { grid-row: 1 / 3; }
.cooperation p { grid-column: 2; font-size: 15px; margin-bottom: 16px; }
.page-family .cooperation { padding-top: 0; }
.page-family .cooperation > .col { border-top: 1px solid var(--hairline); padding-top: 28px; }

/* 机构业务独立成页，沿用相同的版心与阅读节奏。 */
.page-org .offer { padding-top: 28px; }
.offer-note { font-size: 28px; margin-bottom: 32px; max-width: 24em; }
.offer-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; margin: 0; }
.offer-list > div { border-top: 1px solid var(--hairline); padding: 24px 0 28px; }
.offer-list dt { font-family: var(--serif); font-weight: 600; font-size: 22px; line-height: 1.65; margin-bottom: 12px; }
.offer-list dd { color: var(--dim); font-size: 15px; margin: 0; }

/* 联系区与落款，收束页面。 */
.deal { padding: 40px 0 var(--section-space); }
.page-org .deal { padding-top: 48px; }
.deal-inner { display: flex; justify-content: space-between; align-items: center; gap: 32px; border-top: 1px solid var(--hairline); padding-top: 28px; }
.deal-lead { font-family: var(--serif); font-weight: 600; font-size: 24px; line-height: 1.8; }
.deal-copy .primary-link { margin-top: 20px; }
.deal-qr { flex: none; text-align: center; }
.deal-qr img { display: block; width: 156px; height: 156px; margin-inline: auto; padding: 8px; background: var(--surface); border: 1px solid var(--hairline); }
.deal-qr p { font-size: 12px; color: var(--dim); margin-top: 10px; }
.deal-qr a { color: var(--cinnabar); }
.footer { border-top: 1px solid var(--cinnabar); padding: 28px 0 24px; }
.footer > .col { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; column-gap: 24px; row-gap: 14px; }
.foot-motto { font-family: var(--serif); font-weight: 600; font-size: 15px; letter-spacing: .03em; }
.icp { font-size: 12px; color: var(--dim); }
.icp:hover { color: var(--cinnabar); }
.foot-contact { flex-basis: 100%; color: var(--dim); font-size: 13px; }
.foot-contact a { color: var(--cinnabar); }
.foot-latin { font-family: var(--latin); color: var(--dim); font-size: 11px; letter-spacing: .15em; }

.reveal { opacity: 1; }
.motion-ready .reveal { opacity: 0; transition: opacity .45s ease; }
.motion-ready .reveal.on { opacity: 1; }

@media (max-width: 900px) {
  .hero-layout { gap: 36px; }
  .hero-title { font-size: 40px; }
  .hero-subtitle { font-size: 17px; }
  .service-block, .cooperation .col { grid-template-columns: 200px minmax(0, 1fr); gap: 28px; }
  .memory-intro { grid-template-columns: 200px minmax(0, 1fr); gap: 28px; }
  .memory-formats { gap: 28px; }
  .service-heading h3 { font-size: 25px; }
  .page-card-primary { column-gap: 28px; }
  .page-card-primary h3 { font-size: 26px; }
  .product-list { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 720px) {
  .col, .hero-content { width: calc(100% - 48px); }
  .hero { padding: 88px 0 40px; }
  .page-home .hero { padding-top: 28px; }
  .hero-header { margin-bottom: 40px; }
  .hero-company { display: none; }
  .hero-layout { grid-template-columns: 1fr; gap: 24px; }
  .hero-label { margin-bottom: 16px; font-size: 12px; }
  .hero-title { font-size: clamp(34px, 7vw, 44px); line-height: 1.5; }
  .hero-copy { padding-top: 0; }
  .hero-subtitle { margin-bottom: 16px; line-height: 1.85; }
  .hero-note { font-size: 14px; margin-bottom: 24px; }
  .back { left: 24px; top: 24px; }
  .doors { padding-top: 16px; }
  .doors-intro { font-size: 20px; margin-bottom: 24px; }
  .pages { grid-template-columns: 1fr; gap: 16px; }
  .page-card { padding: 24px; }
  .page-card h3 { font-size: 22px; }
  .page-card-primary { display: block; }
  .page-card-primary h3 { max-width: none; font-size: 24px; margin-bottom: 16px; }
  .page-card-primary h3 span, .service-heading h3 span { display: inline-block; }
  .page-card .page-link { margin-top: 18px; }
  .closing-layout { grid-template-columns: 1fr; gap: 28px; padding-top: 24px; }
  .creed p { font-size: 19px; }
  .brand-motto { font-size: 24px; margin-bottom: 10px; }
  .offer { padding-top: 16px; }
  .offer-intro { margin-bottom: 28px; }
  .offer-intro h2, .cooperation h2, .offer-note { font-size: 26px; }
  .service-block { grid-template-columns: 1fr; gap: 22px; padding: 32px 0; }
  .service-heading { display: flex; gap: 14px; align-items: baseline; }
  .service-index { margin: 0; font-size: 19px; }
  .service-heading h3 { font-size: 25px; }
  .product-title { font-size: 20px; }
  .memory-intro { grid-template-columns: 1fr; gap: 22px; }
  .memory-service .service-heading { display: block; }
  .memory-formats { grid-template-columns: 1fr; gap: 24px; margin-top: 24px; }
  .memory-format h4 { font-size: 21px; }
  .memory-scope { grid-template-columns: 1fr; gap: 6px; margin-top: 24px; }
  .products { margin-top: 24px; }
  .cooperation .col { display: block; }
  .offer-list { grid-template-columns: 1fr; }
  .offer-list dt { font-size: 21px; }
  .page-org .offer { padding-top: 16px; }
  .offer-note { margin-bottom: 24px; }
  .deal-inner { gap: 24px; flex-direction: column; align-items: flex-start; }
  .deal-lead { font-size: 22px; }
  .deal-qr { align-self: center; }
  .footer > .col { flex-direction: column; align-items: flex-start; gap: 12px; }
  .foot-motto { font-size: 14px; }
  .foot-contact { flex-basis: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .motion-ready .reveal { opacity: 1; transition: none; }
  .page-link .arr, .primary-link { transition: none; }
}