:root {
  --navy: #302a55;
  --navy-deep: #211d3d;
  --navy-soft: #5d5878;
  --cream: #f7f3ea;
  --white: #ffffff;
  --gold: #e8b743;
  --ink: #272438;
  --line: rgba(48, 42, 85, 0.16);
  --shadow: 0 28px 70px rgba(33, 29, 61, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--cream);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 9% 9%, rgba(232, 183, 67, 0.13), transparent 24rem),
    linear-gradient(115deg, var(--cream) 0%, #fbf9f4 54%, #f0ebdf 100%);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", Arial, sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

.page-shell {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: min(100%, 1440px);
  min-height: 100vh;
  min-height: 100svh;
  margin: 0 auto;
  overflow: hidden;
  padding: clamp(24px, 3vw, 44px) clamp(22px, 5vw, 76px) clamp(20px, 2.2vw, 32px);
}

.page-shell::before {
  position: fixed;
  inset: 0 auto 0 0;
  width: clamp(7px, 0.75vw, 12px);
  background: var(--navy);
  content: "";
}

.page-shell::after {
  position: absolute;
  top: 17%;
  right: -90px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(48, 42, 85, 0.12);
  border-radius: 50%;
  content: "";
}

.site-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 18px;
}

.wordmark {
  color: var(--navy);
  font-size: clamp(23px, 2vw, 30px);
  font-weight: 750;
  letter-spacing: 0.13em;
  text-decoration: none;
}

.header-line {
  width: clamp(36px, 6vw, 88px);
  height: 1px;
  background: rgba(48, 42, 85, 0.32);
}

.header-note {
  margin: 0;
  color: var(--navy-soft);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.72fr);
  align-items: center;
  gap: clamp(54px, 7.5vw, 118px);
  width: 100%;
  max-width: 1230px;
  margin: 0 auto;
  padding: clamp(32px, 4.4vh, 58px) 0 clamp(26px, 3.4vh, 44px);
}

.hero-copy {
  max-width: 710px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 32px;
  padding: 7px 13px 7px 14px;
  border: 1px solid rgba(48, 42, 85, 0.2);
  border-radius: 999px;
  color: var(--navy);
  font-size: 11px;
  font-weight: 680;
  letter-spacing: 0.08em;
}

.status-separator {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
}

.title-block {
  margin-top: clamp(30px, 5vh, 54px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--navy);
  font-size: clamp(28px, 3.2vw, 48px);
  font-weight: 730;
  letter-spacing: 0.055em;
  line-height: 1.3;
}

h1 {
  max-width: 760px;
  margin: 0;
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 5.4vw, 78px);
  font-weight: 400;
  letter-spacing: -0.052em;
  line-height: 0.98;
}

h1 span {
  display: block;
  margin-top: 0.12em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(48, 42, 85, 0.62);
}

.update-copy {
  position: relative;
  max-width: 610px;
  margin-top: clamp(30px, 4.8vh, 52px);
  padding-left: 24px;
}

.update-copy::before {
  position: absolute;
  top: 3px;
  bottom: 4px;
  left: 0;
  width: 3px;
  border-radius: 99px;
  background: var(--gold);
  content: "";
}

.update-copy p {
  margin: 0;
  font-size: clamp(15px, 1.25vw, 18px);
  line-height: 1.65;
}

.update-copy p[lang="en"] {
  margin-top: 6px;
  color: var(--navy-soft);
  font-size: clamp(12px, 0.95vw, 14px);
  line-height: 1.55;
}

.brand-statement {
  display: flex;
  gap: clamp(18px, 3vw, 42px);
  margin-top: clamp(30px, 5vh, 58px);
  color: rgba(48, 42, 85, 0.55);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.brand-statement span {
  position: relative;
}

.brand-statement span:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: calc(clamp(9px, 1.5vw, 21px) * -1);
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: var(--gold);
  content: "";
}

.contact-panel {
  position: relative;
  width: 100%;
  max-width: 430px;
  justify-self: end;
  padding: clamp(22px, 2.2vw, 32px);
  overflow: hidden;
  border: 1px solid rgba(48, 42, 85, 0.12);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.contact-panel::after {
  position: absolute;
  top: -44px;
  right: -40px;
  width: 124px;
  height: 124px;
  border: 24px solid rgba(232, 183, 67, 0.13);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.panel-heading {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--line);
}

.panel-index {
  margin: 5px 0 0;
  color: rgba(48, 42, 85, 0.48);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.18em;
}

.panel-heading h2 {
  margin: 0;
  color: var(--navy);
  font-size: 21px;
  font-weight: 740;
  letter-spacing: 0.08em;
}

.panel-heading p[lang="en"] {
  margin: 4px 0 0;
  color: var(--navy-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  font-style: italic;
}

.wechat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.contact-label {
  margin: 0;
  color: var(--navy-soft);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.06em;
}

.contact-label span {
  display: block;
  margin-top: 3px;
  font-size: 9px;
  font-weight: 520;
  letter-spacing: 0.035em;
}

.wechat-id {
  margin: 5px 0 0;
  color: var(--navy);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 18px;
  font-weight: 720;
  letter-spacing: 0.03em;
}

.copy-button {
  flex: 0 0 auto;
  min-width: 92px;
  padding: 9px 13px;
  border: 1px solid var(--navy);
  border-radius: 0;
  background: var(--navy);
  color: var(--white);
  font: inherit;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.copy-button:hover {
  background: var(--navy-deep);
  transform: translateY(-1px);
}

.copy-button:focus-visible {
  outline: 3px solid rgba(232, 183, 67, 0.55);
  outline-offset: 3px;
}

.copy-button.is-copied {
  background: var(--gold);
  color: var(--navy-deep);
}

.button-label,
.button-label-en {
  display: block;
  line-height: 1.25;
}

.button-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.button-label-en {
  margin-top: 3px;
  font-size: 8px;
  letter-spacing: 0.04em;
}

.channel-card {
  display: grid;
  grid-template-columns: minmax(0, 150px) 1fr;
  align-items: center;
  gap: 20px;
  margin: 18px 0 0;
}

.qr-frame {
  overflow: hidden;
  border: 1px solid rgba(48, 42, 85, 0.1);
  background: var(--white);
}

.qr-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.channel-card figcaption {
  color: var(--navy);
  font-size: 12px;
  font-weight: 660;
  line-height: 1.65;
}

.channel-card figcaption span {
  display: block;
}

.channel-card figcaption span[lang="en"] {
  margin-top: 7px;
  color: var(--navy-soft);
  font-size: 10px;
  font-weight: 520;
  line-height: 1.55;
}

.copy-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 17px;
  border-top: 1px solid rgba(48, 42, 85, 0.14);
  color: rgba(48, 42, 85, 0.62);
  font-size: 9px;
  font-weight: 620;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .page-shell {
    padding-right: clamp(24px, 7vw, 64px);
    padding-left: clamp(30px, 7vw, 68px);
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 760px;
    padding-top: 44px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .contact-panel {
    max-width: 760px;
    justify-self: stretch;
  }

  .channel-card {
    grid-template-columns: minmax(0, 190px) 1fr;
  }
}

@media (min-width: 981px) and (max-height: 760px) {
  .page-shell {
    padding-top: 24px;
    padding-bottom: 16px;
  }

  .hero {
    padding-top: 22px;
    padding-bottom: 18px;
  }

  .title-block {
    margin-top: 24px;
  }

  h1 {
    font-size: clamp(42px, 4.85vw, 68px);
  }

  .update-copy {
    margin-top: 24px;
  }

  .brand-statement {
    margin-top: 24px;
  }

  .contact-panel {
    padding-top: 22px;
    padding-bottom: 22px;
  }
}

@media (max-width: 600px) {
  .page-shell {
    display: block;
    min-height: 100svh;
    padding: 22px 20px 20px 29px;
  }

  .page-shell::before {
    width: 7px;
  }

  .page-shell::after {
    top: 10%;
    right: -90px;
    width: 150px;
    height: 150px;
  }

  .site-header {
    gap: 12px;
  }

  .wordmark {
    font-size: 22px;
    letter-spacing: 0.1em;
  }

  .header-line {
    width: 28px;
  }

  .header-note {
    font-size: 8px;
    letter-spacing: 0.16em;
  }

  .hero {
    display: block;
    padding: 36px 0 24px;
  }

  .status-pill {
    gap: 7px;
    padding: 6px 10px;
    font-size: 9px;
    letter-spacing: 0.04em;
  }

  .title-block {
    margin-top: 27px;
  }

  .eyebrow {
    margin-bottom: 13px;
    font-size: clamp(27px, 8.6vw, 34px);
  }

  h1 {
    font-size: clamp(39px, 12.5vw, 54px);
    line-height: 0.99;
  }

  .update-copy {
    margin-top: 26px;
    padding-left: 17px;
  }

  .update-copy p {
    font-size: 14px;
    line-height: 1.6;
  }

  .update-copy p[lang="en"] {
    margin-top: 5px;
    font-size: 11px;
  }

  .brand-statement {
    gap: 20px;
    margin-top: 27px;
    font-size: 7px;
    letter-spacing: 0.17em;
  }

  .brand-statement span:not(:last-child)::after {
    right: -11px;
  }

  .contact-panel {
    margin-top: 34px;
    padding: 20px;
  }

  .panel-heading h2 {
    font-size: 19px;
  }

  .wechat-row {
    gap: 12px;
    padding: 16px 0;
  }

  .wechat-id {
    font-size: 16px;
  }

  .copy-button {
    min-width: 82px;
    padding: 8px 10px;
  }

  .channel-card {
    grid-template-columns: minmax(0, 132px) 1fr;
    gap: 16px;
    margin-top: 16px;
  }

  .channel-card figcaption {
    font-size: 11px;
  }

  .site-footer {
    display: block;
    padding-top: 15px;
    font-size: 8px;
    line-height: 1.6;
  }

  .site-footer p[lang="en"] {
    margin-top: 3px;
  }
}

@media (max-width: 370px) {
  .header-note {
    display: none;
  }

  .channel-card {
    grid-template-columns: 120px 1fr;
  }
}

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

  .copy-button {
    transition: none;
  }
}

@media print {
  body {
    background: var(--white);
  }

  .page-shell::before,
  .page-shell::after,
  .copy-button {
    display: none;
  }

  .contact-panel {
    box-shadow: none;
  }
}