:root {
  --paper: #f5f3ed;
  --paper-deep: #ebe7df;
  --card: #faf9f5;
  --ink: #171816;
  --muted: #67665f;
  --line: #c9c6bd;
  --accent: #be4b32;
  --accent-soft: #e7aa9c;
  --max: 1120px;
  --content: 900px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.78;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.content-narrow {
  width: min(calc(100% - 48px), var(--content));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 10;
  background: var(--paper);
  border-bottom: 4px solid var(--accent);
}

.header-row {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  font-size: 25px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-avatar {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  overflow: hidden;
  border: 1px solid #aaa69d;
  border-radius: 50%;
}

.brand-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.header-link {
  color: var(--accent);
  font-size: 20px;
  font-weight: 700;
}

.service-nav {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.service-nav .container {
  display: flex;
  align-items: center;
  gap: 35px;
  min-height: 49px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}

.service-nav .container::-webkit-scrollbar {
  display: none;
}

.service-nav a {
  color: #5f5d56;
  font-size: 13px;
  transition: color 0.18s ease;
}

.service-nav a:hover,
.service-nav a[aria-current="page"] {
  color: var(--accent);
}

.eyebrow {
  margin: 0 0 13px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.home-hero {
  padding: 62px 0 56px;
}

.home-kicker {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.home-title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(66px, 9.3vw, 132px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.home-tagline {
  margin: 34px 0 0;
  color: var(--accent);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.home-motto {
  margin: 2px 0 20px;
  color: #55524b;
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
}

.button-dark {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 10px 21px;
  color: #fff;
  background: var(--ink);
  border: 1px solid var(--ink);
  font-size: 14px;
  font-weight: 700;
  transition: background 0.18s ease, color 0.18s ease;
}

.button-dark:hover {
  color: var(--ink);
  background: transparent;
}

.home-bio {
  max-width: 840px;
  margin-top: 42px;
  color: #55544d;
}

.home-bio p {
  margin: 0 0 19px;
}

.home-bio-en {
  color: #817e75;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 14px;
  line-height: 1.65;
}

.entrances {
  padding: 54px 0 63px;
  background: var(--paper-deep);
}

.section-intro-label {
  margin: 0 0 23px;
  color: #6d6a63;
  font-size: 13px;
  letter-spacing: 0.12em;
}

.entrance-list {
  border-top: 1px solid var(--ink);
}

.entrance-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 30px;
  align-items: start;
  padding: 31px 0;
  border-bottom: 1px solid var(--line);
}

.entrance-index {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.entrance-item h2 {
  margin: 0 0 7px;
  font-size: 27px;
  line-height: 1.25;
}

.entrance-item p {
  margin: 0;
  color: var(--muted);
}

.text-link {
  align-self: center;
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.services-home {
  padding: 85px 0 93px;
}

.section-title {
  margin: 0;
  font-size: clamp(44px, 6vw, 76px);
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.section-lead {
  max-width: 770px;
  margin: 25px 0 43px;
  color: var(--muted);
  font-size: 18px;
}

.service-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-card {
  min-height: 265px;
  display: flex;
  flex-direction: column;
  padding: 35px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.service-card .number {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.service-card h3 {
  margin: 31px 0 12px;
  font-size: 29px;
  line-height: 1.28;
}

.service-card p {
  margin: 0 0 20px;
  color: var(--muted);
}

.service-card .text-link {
  margin-top: auto;
}

.services-hero,
.detail-hero {
  background: var(--paper-deep);
  border-bottom: 4px solid var(--accent);
}

.services-hero {
  padding: 72px 0 76px;
}

.services-hero .section-title {
  font-size: clamp(62px, 9vw, 112px);
}

.service-list-section {
  padding: 80px 0 92px;
}

.service-list {
  border-top: 2px solid var(--ink);
}

.service-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  padding: 45px 0 47px;
  border-bottom: 1px solid var(--line);
}

.service-row-number {
  padding-top: 7px;
  color: var(--accent);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
}

.service-row h2 {
  margin: 0 0 15px;
  font-size: clamp(30px, 4.2vw, 44px);
  line-height: 1.2;
}

.service-row p {
  max-width: 760px;
  margin: 0 0 17px;
  color: var(--muted);
  font-size: 18px;
}

.detail-hero {
  padding: 65px 0 64px;
}

.detail-title {
  max-width: 950px;
  margin: 0;
  font-size: clamp(43px, 7vw, 76px);
  letter-spacing: -0.05em;
  line-height: 1.06;
}

.detail-lead {
  max-width: 830px;
  margin: 25px 0 0;
  color: #65635d;
  font-size: 18px;
}

.detail-main {
  padding: 67px 0 86px;
}

.detail-main section + section {
  margin-top: 66px;
  padding-top: 53px;
  border-top: 1px solid var(--line);
}

.detail-main h2 {
  margin: 0 0 25px;
  font-size: clamp(30px, 4vw, 40px);
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.detail-main .intro {
  max-width: 780px;
  margin: -8px 0 25px;
  color: var(--muted);
}

.quote-card {
  margin: 0 0 55px;
  padding: 34px 35px 36px;
  color: #f6f4ee;
  background: var(--ink);
  border-left: 4px solid var(--accent);
}

.quote-card .quote-label {
  display: block;
  margin-bottom: 13px;
  color: var(--accent-soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.quote-card p {
  max-width: 760px;
  margin: 0;
  font-size: clamp(22px, 3.2vw, 31px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.38;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.check-list li {
  position: relative;
  padding: 17px 12px 17px 30px;
  border-bottom: 1px solid var(--line);
}

.check-list li::before {
  content: "–";
  position: absolute;
  left: 2px;
  color: var(--accent);
  font-weight: 800;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.info-card {
  min-height: 165px;
  padding: 28px 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.22);
}

.info-card h3 {
  margin: 0 0 9px;
  font-size: 19px;
  line-height: 1.35;
}

.info-card p,
.info-card ul {
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  list-style: none;
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
}

.split-grid .split-panel {
  padding: 30px;
}

.split-grid .split-panel + .split-panel {
  border-left: 1px solid var(--line);
}

.split-panel h3 {
  margin: 0 0 14px;
  font-size: 21px;
}

.split-panel ul {
  margin: 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.process-list {
  margin: 0;
  padding: 0;
  counter-reset: process;
  list-style: none;
}

.process-list li {
  position: relative;
  min-height: 92px;
  padding: 6px 0 26px 85px;
  counter-increment: process;
}

.process-list li::before {
  content: counter(process, decimal-leading-zero);
  position: absolute;
  top: 4px;
  left: 0;
  color: var(--accent);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
}

.process-list strong {
  display: block;
  margin-bottom: 5px;
  font-size: 18px;
}

.process-list span {
  color: var(--muted);
  font-size: 14px;
}

.note-box {
  margin-top: 23px;
  padding: 18px 22px;
  color: #5c5a54;
  background: #eee6df;
  border-left: 3px solid var(--accent);
  font-size: 14px;
}

.reader-hero {
  padding: 67px 0 63px;
  color: #f7f4ed;
  background: var(--ink);
  border-bottom: 4px solid var(--accent);
  text-align: center;
}

.reader-book-title {
  margin: 0 0 15px;
  color: var(--accent-soft);
  font-size: clamp(17px, 3vw, 29px);
  font-weight: 800;
}

.reader-title {
  margin: 0;
  font-size: clamp(42px, 8.3vw, 78px);
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.reader-main {
  padding: 62px 0 90px;
}

.reader-section-title {
  margin: 0 0 32px;
  font-size: clamp(26px, 4vw, 34px);
  text-align: center;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.benefit-item {
  min-height: 118px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px 29px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 22px;
  font-weight: 700;
}

.benefit-icon {
  width: 31px;
  flex: 0 0 31px;
  font-size: 27px;
  line-height: 1;
}

.reader-process {
  margin-top: 67px;
  padding-top: 61px;
  border-top: 1px solid var(--line);
}

.reader-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.reader-steps li {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 5px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
  font-size: 20px;
  font-weight: 600;
}

.reader-steps .step-number {
  color: var(--accent);
  font-family: Georgia, "Times New Roman", serif;
}

.qr-section {
  margin-top: 67px;
  padding-top: 66px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.qr-frame {
  width: min(100%, 420px);
  margin: 0 auto;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 5px solid var(--accent);
}

.qr-frame img {
  width: 100%;
}

.wechat-id {
  margin: 24px 0 8px;
  font-size: 21px;
}

.wechat-id strong {
  letter-spacing: 0.03em;
}

.wechat-hint {
  margin: 0 auto;
  color: var(--muted);
  font-size: 15px;
  font-style: italic;
}

.reader-note {
  width: min(100%, 680px);
  margin: 25px auto 0;
  padding: 16px 19px;
  color: #5e5b55;
  background: var(--paper-deep);
  border-left: 3px solid var(--accent);
  font-size: 15px;
  text-align: left;
}

.contact-section {
  padding: 0 0 92px;
}

.contact-card {
  padding: 50px 54px 42px;
  color: #f6f4ee;
  background: var(--ink);
}

.contact-card .eyebrow {
  color: var(--accent-soft);
}

.contact-card h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(31px, 5vw, 54px);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.contact-card > p {
  max-width: 690px;
  margin: 22px 0 32px;
  color: #bdbab2;
}

.contact-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  padding: 24px 0 4px;
  border-top: 1px solid #4c4d49;
  border-bottom: 1px solid #4c4d49;
}

.contact-item {
  padding-bottom: 19px;
  font-size: 16px;
}

.contact-item strong {
  margin-right: 8px;
  color: var(--accent-soft);
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-row {
  min-height: 126px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  color: #68665f;
  font-size: 13px;
}

.footer-row a:hover {
  color: var(--accent);
}

@media (max-width: 760px) {
  body {
    font-size: 15px;
    line-height: 1.75;
  }

  .container,
  .content-narrow {
    width: min(calc(100% - 40px), var(--max));
  }

  .header-row {
    min-height: 68px;
    gap: 12px;
  }

  .brand {
    gap: 8px;
    font-size: 17px;
  }

  .brand-avatar {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .header-link {
    font-size: 15px;
  }

  .service-nav .container {
    gap: 26px;
    min-height: 38px;
  }

  .service-nav a {
    font-size: 11px;
  }

  .home-hero {
    padding: 39px 0 35px;
  }

  .home-kicker {
    font-size: 12px;
  }

  .home-title {
    font-size: clamp(57px, 19vw, 78px);
  }

  .home-tagline {
    margin-top: 26px;
    font-size: 20px;
  }

  .home-motto {
    font-size: 13px;
  }

  .button-dark {
    min-height: 42px;
    padding: 8px 16px;
    font-size: 12px;
  }

  .home-bio {
    margin-top: 31px;
    font-size: 13px;
  }

  .home-bio-en {
    font-size: 12px;
  }

  .entrances {
    padding: 42px 0 49px;
  }

  .entrance-item {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 24px 0;
  }

  .entrance-item h2 {
    font-size: 20px;
  }

  .entrance-item p,
  .entrance-item .text-link {
    font-size: 13px;
  }

  .entrance-item .text-link {
    align-self: start;
    margin-top: 8px;
  }

  .services-home {
    padding: 58px 0 63px;
  }

  .section-title {
    font-size: 43px;
  }

  .section-lead {
    margin: 18px 0 30px;
    font-size: 14px;
  }

  .service-card-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 244px;
    padding: 27px 27px 25px;
  }

  .service-card h3 {
    margin-top: 26px;
    font-size: 24px;
  }

  .service-card p,
  .service-card .text-link {
    font-size: 13px;
  }

  .services-hero {
    padding: 54px 0 57px;
  }

  .services-hero .section-title {
    font-size: 66px;
  }

  .service-list-section {
    padding: 62px 0 69px;
  }

  .service-row {
    grid-template-columns: 41px 1fr;
    gap: 19px;
    padding: 35px 0 38px;
  }

  .service-row-number {
    font-size: 14px;
  }

  .service-row h2 {
    font-size: 29px;
  }

  .service-row p {
    font-size: 14px;
  }

  .detail-hero {
    padding: 44px 0 45px;
  }

  .eyebrow {
    margin-bottom: 9px;
    font-size: 10px;
  }

  .detail-title {
    font-size: 36px;
  }

  .detail-lead {
    margin-top: 19px;
    font-size: 13px;
  }

  .detail-main {
    padding: 45px 0 63px;
  }

  .detail-main section + section {
    margin-top: 48px;
    padding-top: 41px;
  }

  .detail-main h2 {
    margin-bottom: 20px;
    font-size: 25px;
  }

  .detail-main .intro {
    font-size: 13px;
  }

  .quote-card {
    margin-bottom: 43px;
    padding: 26px 24px 27px;
  }

  .quote-card p {
    font-size: 20px;
  }

  .check-list li {
    padding: 13px 8px 13px 23px;
    font-size: 13px;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .info-card {
    min-height: 137px;
    padding: 24px 22px;
  }

  .info-card h3 {
    font-size: 17px;
  }

  .info-card p,
  .info-card ul {
    font-size: 12px;
  }

  .split-grid {
    grid-template-columns: 1fr;
  }

  .split-grid .split-panel {
    padding: 24px 22px;
  }

  .split-grid .split-panel + .split-panel {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .split-panel h3 {
    font-size: 18px;
  }

  .split-panel ul {
    font-size: 13px;
  }

  .process-list li {
    min-height: 80px;
    padding-left: 55px;
  }

  .process-list strong {
    font-size: 16px;
  }

  .process-list span {
    font-size: 12px;
  }

  .reader-hero {
    padding: 53px 0 51px;
  }

  .reader-book-title {
    font-size: 17px;
  }

  .reader-title {
    font-size: 43px;
  }

  .reader-main {
    padding: 49px 0 70px;
  }

  .reader-section-title {
    margin-bottom: 27px;
    font-size: 23px;
  }

  .benefit-item {
    min-height: 96px;
    gap: 10px;
    padding: 19px 16px;
    font-size: 16px;
  }

  .benefit-icon {
    width: 25px;
    flex-basis: 25px;
    font-size: 21px;
  }

  .reader-process {
    margin-top: 53px;
    padding-top: 48px;
  }

  .reader-steps li {
    grid-template-columns: 38px 1fr;
    padding: 20px 0;
    font-size: 16px;
  }

  .qr-section {
    margin-top: 53px;
    padding-top: 53px;
  }

  .qr-frame {
    width: min(100%, 340px);
    padding: 22px;
  }

  .wechat-id {
    font-size: 17px;
  }

  .wechat-hint,
  .reader-note {
    font-size: 13px;
  }

  .contact-section {
    padding-bottom: 62px;
  }

  .contact-card {
    padding: 37px 28px 31px;
  }

  .contact-card h2 {
    font-size: 30px;
  }

  .contact-card > p {
    margin: 18px 0 25px;
    font-size: 13px;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-item {
    font-size: 13px;
  }

  .footer-row {
    min-height: 100px;
    font-size: 11px;
  }
}

@media (max-width: 390px) {
  .container,
  .content-narrow {
    width: min(calc(100% - 30px), var(--max));
  }

  .header-link {
    font-size: 14px;
  }

  .home-title {
    font-size: 58px;
  }

  .services-hero .section-title {
    font-size: 57px;
  }

  .detail-title {
    font-size: 32px;
  }

  .benefit-item {
    padding-inline: 12px;
    font-size: 15px;
  }
}

@media (min-width: 1180px) {
  .home-hero .container {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.65fr);
    column-gap: 80px;
  }

  .home-hero .home-bio {
    align-self: end;
    margin-top: 95px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}