:root {
  --brand-orange: #f86621;
  --brand-orange-deep: #c53b10;
  --brand-yellow: #feb647;
  --brand-cream: #fff4df;
  --surface: #fffbf4;
  --surface-raised: #fffefb;
  --ink: #2d1b13;
  --ink-soft: #715a4f;
  --line: rgba(72, 40, 25, 0.16);
  --shadow: 0 28px 70px rgba(137, 65, 25, 0.13);
  --page-pad: clamp(20px, 4vw, 72px);
  --content-max: 1440px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 74% 14%, rgba(254, 182, 71, 0.16), transparent 30rem),
    var(--surface);
  color: var(--ink);
  font-family:
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
    system-ui, sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(rgba(45, 27, 19, 0.08) 0.7px, transparent 0.7px);
  background-size: 16px 16px;
  content: "";
  opacity: 0.22;
  pointer-events: none;
}

a {
  color: inherit;
}

img,
svg {
  display: block;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  overflow: hidden;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  padding-inline: var(--page-pad);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.wordmark img {
  width: 47px;
  height: 40px;
  object-fit: contain;
}

.wordmark span {
  display: grid;
  line-height: 1;
}

.wordmark strong {
  font-size: 20px;
  letter-spacing: 0.06em;
}

.wordmark small {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.header-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.46);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.header-link:hover {
  border-color: var(--brand-orange);
  background: #fff;
  color: var(--brand-orange-deep);
}

:focus-visible {
  outline: 3px solid var(--brand-orange-deep);
  outline-offset: 4px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(400px, 0.95fr);
  align-items: center;
  min-height: min(820px, calc(100svh - 92px));
  padding: clamp(54px, 6vw, 96px) var(--page-pad) clamp(80px, 8vw, 122px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  color: var(--brand-orange-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.eyebrow span {
  width: 34px;
  height: 4px;
  border-radius: 99px;
  background: var(--brand-orange);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 32px;
  font-size: clamp(55px, 7vw, 108px);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 0.98;
}

h1 em {
  display: block;
  margin-top: 0.12em;
  color: var(--brand-orange-deep);
  font-style: normal;
  text-shadow: 0 0.045em 0 var(--brand-yellow);
}

.hero-intro {
  max-width: 590px;
  margin-bottom: 36px;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.9;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 56px;
  padding: 0 24px 0 28px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 6px 6px 0 var(--brand-yellow);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.primary-action svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.primary-action:hover {
  box-shadow: 3px 3px 0 var(--brand-yellow);
  transform: translate(3px, 3px);
}

.hero-visual {
  position: relative;
  z-index: 1;
  justify-self: end;
  width: min(100%, 560px);
}

.logo-stage {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(248, 102, 33, 0.2);
  border-radius: 50%;
  background:
    linear-gradient(142deg, rgba(255, 255, 255, 0.92), rgba(255, 244, 223, 0.7));
  box-shadow: var(--shadow);
}

.logo-stage::before,
.logo-stage::after {
  position: absolute;
  border: 1px solid rgba(248, 102, 33, 0.18);
  border-radius: 50%;
  content: "";
}

.logo-stage::before {
  inset: 7%;
}

.logo-stage::after {
  inset: 15%;
  border-style: dashed;
}

.logo-stage img {
  position: relative;
  z-index: 1;
  width: 78%;
  height: 78%;
  object-fit: contain;
  transform: translateY(1.5%);
  filter: drop-shadow(0 20px 18px rgba(151, 67, 20, 0.12));
}

.logo-halo {
  position: absolute;
  inset: 25%;
  border-radius: 50%;
  background: rgba(254, 182, 71, 0.4);
  filter: blur(22px);
}

.time-note {
  position: absolute;
  top: -18px;
  right: -8px;
  z-index: 3;
  display: grid;
  min-width: 154px;
  padding: 17px 20px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 16px 38px rgba(83, 40, 19, 0.11);
  backdrop-filter: blur(14px);
}

.time-note span {
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.time-note strong {
  margin-top: 5px;
  font-size: 27px;
  letter-spacing: 0.04em;
}

.visual-caption {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.visual-caption i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--brand-orange);
}

.sun-orbit {
  position: absolute;
  top: 0;
  right: -210px;
  width: 540px;
  height: 540px;
  border: 1px solid rgba(248, 102, 33, 0.11);
  border-radius: 50%;
  pointer-events: none;
}

.sun-orbit span {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(248, 102, 33, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.sun-orbit span:nth-child(1) {
  width: 72%;
  height: 72%;
}

.sun-orbit span:nth-child(2) {
  width: 48%;
  height: 48%;
}

.sun-orbit span:nth-child(3) {
  width: 9%;
  height: 9%;
  border: 0;
  background: var(--brand-yellow);
}

.contact-section {
  margin-inline: var(--page-pad);
  padding: clamp(60px, 8vw, 110px) clamp(22px, 5vw, 76px) clamp(44px, 6vw, 76px);
  border-radius: clamp(28px, 4vw, 56px);
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.55fr);
  gap: clamp(40px, 8vw, 120px);
  align-items: end;
  margin-bottom: clamp(48px, 7vw, 84px);
}

.section-heading .eyebrow {
  color: var(--brand-yellow);
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(38px, 5vw, 72px);
  letter-spacing: -0.055em;
  line-height: 1.14;
}

.section-heading > p {
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 15px;
  line-height: 1.9;
}

.channel-list {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.channel-item {
  position: relative;
  display: grid;
  grid-template-columns: 48px 64px minmax(0, 1fr) auto;
  gap: clamp(12px, 2.5vw, 32px);
  align-items: center;
  min-height: 150px;
  padding: 24px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  color: inherit;
  text-decoration: none;
  transition: padding 220ms ease, background 220ms ease;
}

.channel-item::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(90deg, rgba(248, 102, 33, 0.13), transparent 64%);
  content: "";
  opacity: 0;
  transition: opacity 220ms ease;
}

.channel-item:hover {
  padding-inline: 20px;
}

.channel-item:hover::before {
  opacity: 1;
}

.channel-item > * {
  position: relative;
  z-index: 1;
}

.channel-number {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.channel-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid rgba(254, 182, 71, 0.5);
  border-radius: 18px;
  background: rgba(254, 182, 71, 0.08);
  color: var(--brand-yellow);
}

.channel-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.channel-copy p {
  margin-bottom: 7px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.channel-copy h3 {
  margin-bottom: 8px;
  font-size: clamp(20px, 2vw, 27px);
}

.channel-copy span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  white-space: nowrap;
}

button.status-chip {
  cursor: pointer;
}

.channel-item[data-status="active"] .status-chip {
  border-color: rgba(254, 182, 71, 0.56);
  background: rgba(254, 182, 71, 0.12);
  color: var(--brand-yellow);
}

.channel-item[data-status="active"]:focus-visible {
  outline-color: var(--brand-yellow);
  outline-offset: -4px;
}

.copy-feedback {
  min-height: 24px;
  margin: 18px 0 0;
  color: var(--brand-yellow);
  font-size: 13px;
  text-align: right;
}

.site-footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 44px var(--page-pad) 52px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 40px;
  height: 34px;
  object-fit: contain;
}

.footer-brand div {
  display: grid;
  gap: 4px;
}

.footer-brand strong {
  font-size: 14px;
}

.footer-brand span,
.copyright,
.compliance {
  color: var(--ink-soft);
  font-size: 11px;
}

.compliance {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  text-align: center;
}

.compliance a {
  text-underline-offset: 3px;
  text-decoration-color: rgba(113, 90, 79, 0.35);
}

.compliance a:hover {
  color: var(--brand-orange-deep);
  text-decoration-color: currentColor;
}

.copyright {
  margin: 0;
  font-weight: 800;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 74px;
    min-height: auto;
    padding-top: 80px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    justify-self: center;
    width: min(78vw, 560px);
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .section-heading > p {
    max-width: 560px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 76px;
  }

  .wordmark img {
    width: 41px;
    height: 35px;
  }

  .header-link {
    min-height: 40px;
    padding-inline: 15px;
    font-size: 13px;
  }

  .hero {
    gap: 62px;
    padding-top: 58px;
  }

  h1 {
    font-size: clamp(44px, 12vw, 52px);
    letter-spacing: -0.06em;
  }

  .hero-intro br {
    display: none;
  }

  .hero-visual {
    width: min(88vw, 460px);
  }

  .time-note {
    top: -28px;
    right: -4px;
    min-width: 132px;
    padding: 13px 16px;
    border-radius: 16px;
  }

  .time-note strong {
    font-size: 23px;
  }

  .contact-section {
    margin-inline: 12px;
    border-radius: 28px;
  }

  .channel-item {
    grid-template-columns: 36px 52px minmax(0, 1fr);
    min-height: 132px;
  }

  .channel-item:hover {
    padding-inline: 4px;
  }

  .channel-icon {
    width: 50px;
    height: 50px;
    border-radius: 15px;
  }

  .status-chip {
    grid-column: 3;
    justify-self: start;
    min-height: 30px;
    margin-top: -5px;
  }
}

@media (max-width: 390px) {
  .channel-number {
    display: none;
  }

  .channel-item {
    grid-template-columns: 50px minmax(0, 1fr);
  }

  .status-chip {
    grid-column: 2;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .logo-halo,
  .sun-orbit,
  body::before {
    display: none;
  }

  .primary-action,
  .header-link,
  .channel-icon,
  .status-chip {
    border: 1px solid ButtonText;
  }
}
