/* 关于我们 M：蓝墨 */
.about-m {
  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-m .skybox {
  height: 1rem;
}

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

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

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

.about-m .am-main a {
  color: var(--blue-deep);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.about-m .am-main a:hover {
  text-decoration: underline;
  text-underline-offset: 0.06rem;
}

.about-m .am-main a:focus-visible {
  outline: 0.04rem solid var(--blue);
  outline-offset: 0.06rem;
}

/* ===== 首屏 ===== */
.am-hero {
  position: relative;
  overflow: hidden;
  padding: 0.5rem 0.4rem 0;
  background: #ffffff;
}

.am-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url("../images/about/hero-office.jpg") center 50% / cover no-repeat;
}

.am-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0.8) 45%, rgba(255, 255, 255, 0.95) 78%, #ffffff 92%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.82) 55%, rgba(255, 255, 255, 0.62) 100%);
}

.am-hero > * {
  position: relative;
  z-index: 1;
}

.am-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.12rem;
  font-size: 0.26rem;
  line-height: 1.6;
  letter-spacing: 0.008rem;
  color: var(--muted);
}

.am-eyebrow-line {
  flex: none;
  width: 0.4rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(56, 127, 252, 0), rgba(56, 127, 252, 0.55));
}

.am-eyebrow-tag {
  display: inline-flex;
  align-items: center;
  height: 0.5rem;
  padding: 0 0.22rem;
  border-radius: 100px;
  background: var(--blue-soft);
  font-weight: 600;
  letter-spacing: 0.008rem;
  color: var(--blue-deep);
}

.am-hero h1 {
  margin-top: 0.24rem;
  font-size: 0.64rem;
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.01rem;
  color: var(--ink);
}

.am-h1-latin {
  margin: 0 0.12em;
  font-size: 0.8em;
  font-weight: 600;
  letter-spacing: -0.01rem;
  color: var(--blue-deep);
}

.am-hero-sub {
  margin-top: 0.16rem;
  font-size: 0.4rem;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.01rem;
  color: var(--blue-deep);
}

.am-lead {
  margin-top: 0.16rem;
  font-size: 0.32rem;
  line-height: 1.8;
  color: #46505f;
}

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

.am-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 0.48rem;
  border-top: 2px solid var(--blue);
  border-bottom: 1px solid var(--line);
}

.am-facts > li {
  min-width: 0;
  padding: 0.2rem 0.16rem 0.22rem 0.2rem;
  border-left: 1px solid var(--line);
}

.am-facts > li:nth-child(odd) {
  border-left: 0;
  padding-left: 0;
}

.am-facts > li:nth-child(3),
.am-facts > li:nth-child(4) {
  border-top: 1px solid var(--line);
}

.am-facts strong {
  display: block;
  font-family: var(--num);
  font-size: 0.56rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02rem;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.am-facts strong span {
  margin-left: 0.04rem;
  font-family: var(--sans);
  font-size: 0.24rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
  color: var(--muted);
}

.am-facts strong.am-fact-text {
  font-size: 0.44rem;
  letter-spacing: -0.01rem;
  color: var(--blue-deep);
}

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

.am-facts .am-fact-label {
  display: block;
  margin-top: 0.08rem;
  font-size: 0.26rem;
  line-height: 1.55;
  color: var(--muted);
}

/* ===== 分区骨架 ===== */
.am-section {
  padding: 0.6rem 0.4rem;
}

.am-section-head {
  margin-bottom: 0.32rem;
}

.am-section-head h2 {
  font-size: 0.48rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01rem;
  color: var(--ink);
  text-wrap: balance;
}

.am-section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.24rem;
  margin-bottom: 0;
}

.am-range {
  flex: none;
  padding-bottom: 0.04rem;
  font-family: var(--num);
  font-size: 0.24rem;
  letter-spacing: 0.02rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ===== 1996 ===== */
.am-who-note {
  margin-top: 0.2rem;
  padding-top: 0.16rem;
  border-top: 1px solid var(--line);
  font-size: 0.28rem;
  line-height: 1.9;
  color: var(--muted);
}

.am-content {
  margin-top: 0.32rem;
}

.am-content > p {
  font-size: 0.32rem;
  line-height: 1.8;
  color: #41516a;
}

.am-content > p + p {
  margin-top: 0.2rem;
}

.am-pull {
  margin: 0.28rem 0 0;
  padding: 0.32rem 0.28rem;
  border-left: 3px solid var(--blue);
  background: var(--blue-tint);
  font-size: 0.36rem;
  line-height: 1.75;
  font-weight: 600;
  letter-spacing: -0.005rem;
  color: var(--blue-deep);
}

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

.am-history {
  margin-top: 0.28rem;
  margin-left: 0.04rem;
  padding-left: 0.44rem;
  border-left: 2px solid var(--blue);
}

.am-history-card {
  position: relative;
  min-width: 0;
  padding-bottom: 0.28rem;
}

.am-history-card:last-child {
  padding-bottom: 0;
}

.am-history-card::before {
  content: "";
  position: absolute;
  left: -0.54rem;
  top: 0.06rem;
  width: 0.18rem;
  height: 0.18rem;
  border-radius: 50%;
  background: var(--blue);
}

.am-year {
  font-family: var(--num);
  font-size: 0.56rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02rem;
  color: var(--blue-deep);
  font-variant-numeric: tabular-nums;
}

.am-history-card h3 {
  margin-top: 0.1rem;
  font-size: 0.36rem;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: -0.005rem;
  color: var(--ink);
}

.am-history-card p {
  margin-top: 0.05rem;
  font-size: 0.3rem;
  line-height: 1.8;
  color: #4a5565;
}

/* ===== 做成了这几件事 ===== */
.am-services {
  display: grid;
  gap: 0.32rem;
}

.am-service {
  min-width: 0;
  padding: 0.44rem 0.4rem;
  border-radius: 0.16rem;
  background: var(--blue-tint);
}

.am-service h3 {
  font-size: 0.36rem;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: -0.005rem;
  color: var(--ink);
}

.am-service p {
  margin-top: 0.06rem;
  font-size: 0.3rem;
  line-height: 1.8;
  color: #4a5565;
}

/* ===== 做什么，不做什么 ===== */
.am-expect {
  border-top: 2px solid var(--blue);
  border-bottom: 1px solid var(--line);
}

.am-expect-card {
  padding: 0.28rem 0 0.32rem;
}

.am-expect-card + .am-expect-card {
  border-top: 1px solid var(--line);
}

.am-expect-card h3 {
  font-size: 0.46rem;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.01rem;
  color: var(--blue-deep);
}

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

.am-expect-card ul {
  margin-top: 0.2rem;
}

.am-expect-card li {
  position: relative;
  padding: 0.12rem 0 0.12rem 0.24rem;
  border-top: 1px solid rgba(17, 17, 17, 0.1);
  font-size: 0.3rem;
  line-height: 1.75;
  color: #41516a;
}

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

.am-expect-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35em;
  width: 0.08rem;
  height: 0.08rem;
  background: var(--blue);
}

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

.am-expect-no li::before {
  width: 0.12rem;
  height: 2px;
  top: 1.42em;
  background: #93a4bb;
}

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

.am-platform-note {
  margin-top: 0.28rem;
  padding: 0.18rem 0 0.18rem 0.22rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  font-size: 0.3rem;
  line-height: 1.85;
  font-weight: 500;
  color: var(--ink);
}

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

.am-domain-card {
  padding: 0.48rem 0.4rem 0.52rem;
  border: 1px solid var(--line);
  border-top: 2px solid var(--blue);
  background: #ffffff;
}

.am-domain-name {
  font-family: var(--num);
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03rem;
  color: var(--blue-deep);
}

.am-domain-story {
  margin-top: 0.18rem;
  padding-top: 0.16rem;
  border-top: 1px solid var(--line);
  font-size: 0.3rem;
  line-height: 1.9;
  color: var(--text);
}

.am-domain-copy {
  margin-top: 0.2rem;
}

.am-domain-copy > p {
  font-size: 0.3rem;
  line-height: 1.9;
  color: var(--text);
}

.am-domain-copy > p + p {
  margin-top: 0.12rem;
}

.am-checks-title {
  margin-top: 0.3rem;
  padding-top: 0.24rem;
  border-top: 1px solid var(--line);
  font-size: 0.32rem;
  line-height: 1.6;
  font-weight: 700;
  color: var(--ink);
}

.am-checks {
  display: grid;
  gap: 0.16rem;
  margin-top: 0.12rem;
}

.am-checks li {
  min-width: 0;
  padding-top: 0.12rem;
  border-top: 1px solid var(--line-blue);
  font-size: 0.28rem;
  line-height: 1.8;
  color: #4a5565;
}

.am-checks strong {
  display: block;
  margin-bottom: 0.02rem;
  font-size: 0.3rem;
  line-height: 1.6;
  font-weight: 700;
  color: var(--ink);
}

.am-domain-card .am-note {
  margin-top: 0.24rem;
  padding-top: 0.16rem;
  border-top: 1px solid var(--line);
  font-size: 0.26rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ===== 常见问题 ===== */
.am-faq {
  border-top: 2px solid var(--blue);
}

.am-faq-item {
  padding: 0.2rem 0 0.22rem;
  border-top: 1px solid var(--line);
}

.am-faq-item:first-child {
  border-top: 0;
  padding-top: 0.24rem;
}

.am-faq-item h3 {
  position: relative;
  padding-left: 0.18rem;
  font-size: 0.34rem;
  line-height: 1.6;
  font-weight: 700;
  letter-spacing: -0.005rem;
  color: var(--ink);
}

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

.am-faq-item p {
  margin-top: 0.06rem;
  padding-left: 0.18rem;
  font-size: 0.32rem;
  line-height: 1.8;
  color: #4a5565;
  text-wrap: pretty;
}

/* ===== 联系我们 ===== */
.am-contact-section {
  position: relative;
  overflow: hidden;
  padding-bottom: 0.6rem;
  background: #ffffff;
}

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

.am-contact-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0.96) 12%, rgba(255, 255, 255, 0.95) 30%, rgba(255, 255, 255, 0.94) 70%, #ffffff 100%);
}

.am-contact-section > * {
  position: relative;
  z-index: 1;
}

.am-contact-note {
  margin-top: 0.12rem;
  font-size: 0.26rem;
  line-height: 1.85;
  color: var(--muted);
}

.am-contact {
  border-top: 2px solid var(--blue);
}

.am-contact > div {
  min-width: 0;
  padding: 0.11rem 0 0.13rem;
  border-top: 1px solid var(--line);
}

.am-contact > div:first-child {
  border-top: 0;
  padding-top: 0.18rem;
}

.am-contact dt {
  font-size: 0.26rem;
  line-height: 1.6;
  letter-spacing: 0.02rem;
  color: var(--muted);
}

.am-contact dd {
  margin-top: 0.04rem;
  font-size: 0.32rem;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.am-contact a {
  display: inline-block;
  padding: 0.02rem 0;
}
