/* 关于我们 PC：蓝墨 */
.about-page {
  background: #ffffff;
}

/* 隐藏页面滚动条（保留滚动能力） */
html,
body {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none;
}

.about-main {
  --blue: #387ffc;
  --blue-deep: #1f5fd6;
  --blue-tint: #f3f7ff;
  --blue-soft: #e7f0fe;
  --ink: #111111;
  --text: #333333;
  --muted: #5f6b7c;
  --line: #d9e2f0;
  --line-blue: #cfe0ff;
  --canvas: #f7f9fc;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "MicrosoftYaHei", Arial, sans-serif;
  --num: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: #ffffff;
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.about-main,
.about-main *,
.about-main *::before,
.about-main *::after {
  box-sizing: border-box;
}

.about-main :where(h1, h2, h3, p, dl, dd, ul, blockquote, figure) {
  margin: 0;
}

.about-main ul {
  padding: 0;
  list-style: none;
}

.about-main a {
  color: var(--blue-deep);
  text-decoration: none;
}

.about-main a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.about-main a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

.about-main .center {
  width: 1280px;
  max-width: calc(100% - 80px);
  margin-left: auto;
  margin-right: auto;
}

/* ===== 首屏 ===== */
.about-hero {
  position: relative;
  display: flow-root;
  padding: 32px 0 0;
  background: #ffffff;
  overflow: hidden;
}

.about-hero > .center {
  position: relative;
  z-index: 1;
}

.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url("../images/about/hero-office.jpg") center 55% / cover no-repeat;
}

.about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.65) 0%, rgba(255, 255, 255, 0.65) 55%, rgba(255, 255, 255, 0.97) 78%, #ffffff 88%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 45%, rgba(255, 255, 255, 0.65) 72%, rgba(255, 255, 255, 0.35) 100%);
}

.about-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.about-eyebrow-line {
  flex: none;
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, rgba(56, 127, 252, 0), rgba(56, 127, 252, 0.55));
}

.about-eyebrow-tag {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 13px;
  border-radius: 100px;
  background: var(--blue-soft);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--blue-deep);
}

.about-hero h1 {
  margin-top: 24px;
  font-size: 52px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--ink);
  text-wrap: balance;
}

.about-h1-latin {
  margin: 0 0.12em;
  font-size: 0.8em;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--blue-deep);
}

.about-hero-sub {
  margin-top: 16px;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--blue-deep);
}

.about-lead {
  max-width: 780px;
  margin-top: 16px;
  font-size: 19px;
  line-height: 1.9;
  color: #46505f;
}

.about-nowrap {
  white-space: nowrap;
}

.about-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 44px;
  border-top: 2px solid var(--blue);
  border-bottom: 1px solid var(--line);
}

.about-facts > li {
  min-width: 0;
  padding: 22px 26px 24px;
  border-left: 1px solid var(--line);
}

.about-facts > li:first-child {
  border-left: 0;
  padding-left: 0;
}

.about-facts strong {
  display: block;
  font-family: var(--num);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.about-facts strong span {
  margin-left: 4px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
  color: var(--muted);
}

.about-facts strong.about-fact-text {
  font-size: 26px;
  letter-spacing: -0.03em;
  color: var(--blue-deep);
}

.about-facts > li:last-child strong {
  color: var(--blue-deep);
}

.about-facts .about-fact-label {
  display: block;
  margin-top: 9px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
}

/* ===== 分区骨架 ===== */
.about-section {
  padding: 64px 0;
}

.about-section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.about-section-head-row h2 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-wrap: balance;
}

.about-range {
  flex: none;
  padding-bottom: 5px;
  font-family: var(--num);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ===== 1996 ===== */
.about-split {
  display: grid;
  grid-template-columns: 3.2fr 8.8fr;
  gap: 72px;
  align-items: start;
}

.about-who .about-section-head h2 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.025em;
  color: var(--ink);
  text-wrap: balance;
}

.about-who-note {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
  text-wrap: pretty;
}

.about-content {
  min-width: 0;
}

.about-content > p {
  font-size: 17px;
  line-height: 1.8;
  color: #41516a;
  text-wrap: pretty;
}

.about-content > p + p {
  margin-top: 20px;
}

.about-pull {
  margin-top: 28px;
  padding: 22px 26px;
  border-left: 3px solid var(--blue);
  background: var(--blue-tint);
  font-size: 21px;
  line-height: 1.7;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--blue-deep);
  text-wrap: pretty;
}

/* ===== 发展历程 ===== */
.about-history-section {
  background: var(--canvas);
}

.about-history-section .about-section-head-row {
  margin-bottom: 0;
}

.about-history {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 46px;
  margin-top: 30px;
  border-top: 2px solid var(--blue);
}

.about-history-card {
  position: relative;
  min-width: 0;
  padding-top: 28px;
}

.about-history-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: -6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
}

.about-year {
  font-family: var(--num);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--blue-deep);
  font-variant-numeric: tabular-nums;
}

.about-history-card h3 {
  margin-top: 13px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.about-history-card p {
  margin-top: 7px;
  font-size: 16px;
  line-height: 1.8;
  color: #4a5565;
  text-wrap: pretty;
}

/* ===== 做成了这几件事 ===== */
.about-services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.about-service {
  min-width: 0;
  padding: 28px 30px 30px;
  border-radius: 10px;
  background: var(--blue-tint);
}

.about-service h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.about-service p {
  margin-top: 8px;
  font-size: 16px;
  line-height: 1.8;
  color: #4a5565;
  text-wrap: pretty;
}

/* ===== 做什么，不做什么 ===== */
.about-expect {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 2px solid var(--blue);
  border-bottom: 1px solid var(--line);
}

.about-expect-card {
  min-width: 0;
  padding: 30px 40px 34px 0;
}

.about-expect-card + .about-expect-card {
  padding-right: 0;
  padding-left: 40px;
  border-left: 1px solid var(--line);
}

.about-expect-card h3 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.03em;
  color: var(--blue-deep);
}

.about-expect-no h3 {
  color: var(--ink);
}

.about-expect-card ul {
  margin-top: 18px;
}

.about-expect-card li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-top: 1px solid rgba(17, 17, 17, 0.1);
  font-size: 16px;
  line-height: 1.75;
  color: #41516a;
}

.about-expect-card li:first-child {
  border-top: 0;
  padding-top: 0;
}

.about-expect-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35em;
  width: 8px;
  height: 8px;
  background: var(--blue);
}

.about-expect-card li:first-child::before {
  top: 0.55em;
}

.about-expect-no li::before {
  width: 12px;
  height: 2px;
  top: 1.42em;
  background: #93a4bb;
}

.about-expect-no li:first-child::before {
  top: 0.62em;
}

.about-platform-note {
  margin-top: 28px;
  padding: 18px 0 18px 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  font-size: 17px;
  line-height: 1.8;
  font-weight: 500;
  color: var(--ink);
  text-wrap: pretty;
}

/* ===== 认准会计网 ===== */
.about-domain-section {
  background: var(--canvas);
}

.about-domain-card {
  padding: 40px 44px 36px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--blue);
  background: #ffffff;
}

.about-domain-intro {
  display: grid;
  grid-template-columns: 4.6fr 7.4fr;
  gap: 56px;
  align-items: start;
}

.about-domain-identity {
  min-width: 0;
}

.about-domain-name {
  font-family: var(--num);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
  color: var(--blue-deep);
}

.about-domain-story {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  text-wrap: pretty;
}

.about-domain-copy {
  min-width: 0;
}

.about-domain-copy > p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
  text-wrap: pretty;
}

.about-domain-copy > p + p {
  margin-top: 14px;
}

.about-checks-title {
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 700;
  color: var(--ink);
}

.about-checks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-top: 14px;
}

.about-checks li {
  min-width: 0;
  padding-top: 13px;
  border-top: 1px solid var(--line-blue);
  font-size: 15px;
  line-height: 1.8;
  color: #4a5565;
  text-wrap: pretty;
}

.about-checks strong {
  display: block;
  margin-bottom: 3px;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 700;
  color: var(--ink);
}

.about-domain-card .about-note {
  max-width: 980px;
  margin-top: 30px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ===== 常见问题 ===== */
.about-faq-section .about-section-head-row {
  margin-bottom: 28px;
}

.about-faq {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 56px;
  border-top: 2px solid var(--blue);
}

.about-faq-item {
  min-width: 0;
  padding: 22px 0 24px;
  border-top: 1px solid var(--line);
}

.about-faq-item:nth-child(-n + 2) {
  border-top: 0;
  padding-top: 24px;
}

.about-faq-item h3 {
  position: relative;
  padding-left: 20px;
  font-size: 18px;
  line-height: 1.6;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-wrap: pretty;
}

.about-faq-item h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  width: 3px;
  height: 1.05em;
  background: var(--blue);
}

.about-faq-item p {
  margin-top: 8px;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.8;
  color: #4a5565;
  text-wrap: pretty;
}

/* ===== 联系我们 ===== */
.about-contact-section {
  position: relative;
  overflow: hidden;
  background: #ffffff;
}

.about-contact-section > .center {
  position: relative;
  z-index: 1;
}

.about-contact-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url("../images/about/hero-office.jpg") center 30% / cover no-repeat;
}

.about-contact-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0.96) 10%, rgba(255, 255, 255, 0.94) 30%, rgba(255, 255, 255, 0.93) 72%, #ffffff 100%);
}

.about-contact-grid {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: 56px;
  align-items: start;
}

.about-contact-head h2 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.about-contact-note {
  max-width: 360px;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  text-wrap: pretty;
}

.about-contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 44px;
}

.about-contact > div {
  min-width: 0;
  padding: 12px 0 14px;
  border-top: 1px solid var(--line);
}

.about-contact dt {
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.about-contact dd {
  margin-top: 5px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.about-contact a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}