:root {
  --ink: #042724;
  --ink-deep: #021a19;
  --forest: #0b4d47;
  --aqua: #91ded8;
  --aqua-soft: #d5f4f0;
  --pearl: #dff2ec;
  --paper: #dcebe6;
  --muted: #6b7e79;
  --line: rgba(17, 89, 82, 0.16);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Songti SC", "STSong", "Noto Serif SC", "Times New Roman",
    serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-locked {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

.cover {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #001c1c;
  transition:
    opacity 0.75s ease,
    transform 0.85s cubic-bezier(0.76, 0, 0.24, 1);
}

.cover--open {
  pointer-events: none;
  opacity: 0;
  transform: translateY(-3%) scale(1.04);
}

.cover-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.015);
  animation: cover-breathe 12s ease-in-out infinite alternate;
}

.cover-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 18, 18, 0.03) 50%, rgba(0, 20, 20, 0.74)),
    radial-gradient(circle at 50% 76%, transparent 0 24%, rgba(0, 18, 17, 0.2));
}

.open-button {
  position: absolute;
  bottom: calc(10.5% + env(safe-area-inset-bottom));
  left: 50%;
  width: min(68vw, 300px);
  min-height: 58px;
  padding: 0 28px;
  color: #efffff;
  font-size: 20px;
  letter-spacing: 0.24em;
  text-indent: 0.24em;
  border: 1px solid rgba(198, 255, 250, 0.84);
  border-radius: 999px;
  background: rgba(0, 34, 32, 0.72);
  box-shadow:
    0 0 0 1px rgba(134, 239, 230, 0.09) inset,
    0 0 30px rgba(92, 224, 215, 0.22);
  backdrop-filter: blur(7px);
  transform: translateX(-50%);
  cursor: pointer;
  animation: button-glow 2.6s ease-in-out infinite;
}

.open-button::before,
.open-button::after {
  content: "✦";
  position: absolute;
  top: 50%;
  color: #cafffb;
  font-size: 18px;
  text-shadow: 0 0 12px #74fff3;
  transform: translateY(-50%);
}

.open-button::before {
  left: -9px;
}

.open-button::after {
  right: -9px;
}

.open-button.cover-hotspot {
  bottom: calc(3% + env(safe-area-inset-bottom));
  width: min(76vw, 360px);
  height: 17%;
  min-height: 90px;
  padding: 0;
  color: transparent;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  animation: none;
}

.open-button.cover-hotspot::before,
.open-button.cover-hotspot::after {
  content: none;
}

.cover-arrow {
  position: absolute;
  bottom: calc(5.2% + env(safe-area-inset-bottom));
  left: 50%;
  display: grid;
  width: 24px;
  height: 28px;
  transform: translateX(-50%);
}

.cover-arrow i {
  width: 17px;
  height: 17px;
  margin: -4px auto 0;
  border-top: 1.5px solid #befffa;
  border-left: 1.5px solid #befffa;
  transform: rotate(45deg);
  animation: arrow-rise 1.8s ease-in-out infinite;
}

.cover-arrow i:nth-child(2) {
  animation-delay: 0.18s;
}

.reading-progress {
  position: fixed;
  z-index: 80;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.reading-progress.is-visible {
  opacity: 1;
}

.reading-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #66d6cd, #e8ffff);
  box-shadow: 0 0 10px #6de5dc;
  transition: width 0.12s linear;
}

.invitation {
  opacity: 0;
  background:
    radial-gradient(circle at 0 18%, rgba(77, 168, 155, 0.1), transparent 25%),
    var(--paper);
  transition: opacity 0.8s ease 0.15s;
}

.invitation--entered {
  opacity: 1;
}

.invitation:focus {
  outline: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: white;
  background:
    linear-gradient(180deg, rgba(1, 27, 26, 0.3), #021c1b 96%),
    url("assets/cover.webp") center / cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 20%, rgba(84, 206, 194, 0.2), transparent 28%),
    linear-gradient(180deg, rgba(1, 24, 23, 0.38), rgba(1, 23, 22, 0.72));
  backdrop-filter: blur(3px);
}

.hero::after {
  content: "";
  position: absolute;
  right: -24%;
  bottom: -14%;
  width: 76%;
  aspect-ratio: 1;
  border: 1px solid rgba(150, 235, 227, 0.18);
  border-radius: 50%;
  box-shadow:
    0 0 70px rgba(81, 216, 202, 0.12),
    0 0 0 28px rgba(140, 235, 226, 0.025);
}

.star-field {
  position: absolute;
  z-index: 1;
  inset: 0;
  opacity: 0.55;
  background-image:
    radial-gradient(circle, #d7fffb 0 1px, transparent 1.5px),
    radial-gradient(circle, #8aeee5 0 1px, transparent 1.5px);
  background-position:
    15px 20px,
    70px 80px;
  background-size:
    95px 110px,
    135px 155px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(100% - 36px, 520px);
  padding: calc(34px + env(safe-area-inset-top)) 0
    calc(32px + env(safe-area-inset-bottom));
  text-align: center;
}

.hero-kicker,
.eyebrow {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.hero-kicker {
  color: rgba(218, 255, 251, 0.7);
}

.brand-frame {
  position: relative;
  width: 116px;
  height: 150px;
  margin: 28px auto 30px;
  overflow: hidden;
  border: 1px solid rgba(205, 255, 249, 0.32);
  border-radius: 60px 60px 14px 14px;
  box-shadow: 0 18px 50px rgba(0, 8, 8, 0.32);
}

.brand-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(0, 25, 24, 0.26));
}

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

.hero-overline {
  margin: 0 0 15px;
  color: var(--aqua-soft);
  font-size: 13px;
  letter-spacing: 0.22em;
}

.hero h1 {
  margin: 0;
  font-size: clamp(35px, 10vw, 55px);
  font-weight: 400;
  line-height: 1.34;
  letter-spacing: 0.08em;
  text-indent: 0.08em;
  text-shadow: 0 3px 24px rgba(0, 0, 0, 0.35);
}

.hero-rule {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  width: 72%;
  margin: 25px auto 18px;
  color: var(--aqua);
}

.hero-rule span {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(178, 248, 241, 0.68));
}

.hero-rule span:last-child {
  transform: rotate(180deg);
}

.hero-rule b {
  font-size: 13px;
}

.hero-subtitle {
  margin: 0;
  color: rgba(238, 255, 252, 0.84);
  font-size: 16px;
  letter-spacing: 0.1em;
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 44px;
  padding: 10px 0;
  color: rgba(220, 255, 251, 0.65);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-decoration: none;
}

.scroll-cue span {
  color: #a7eee8;
  font-size: 17px;
  animation: cue-drop 1.8s infinite;
}

.content-shell {
  width: min(100%, 680px);
  margin: 0 auto;
  overflow: hidden;
  background:
    linear-gradient(rgba(18, 91, 84, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 91, 84, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px;
  box-shadow: 0 0 80px rgba(0, 24, 22, 0.18);
}

.letter-opening,
.narrative,
.content-section,
.closing-section {
  padding: 72px 26px 0;
}

.letter-opening {
  text-align: center;
}

.letter-opening .eyebrow,
.section-heading .eyebrow,
.contact-section .eyebrow {
  color: #438a82;
}

.letter-opening h2,
.contact-section h2 {
  margin: 17px 0 28px;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 0.04em;
}

.letter-opening p,
.narrative p,
.content-section > p,
.closing-section > p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 2;
  text-align: justify;
}

.lead {
  color: #154e48;
  font-size: 18px !important;
  font-weight: 600;
}

.pressure-visuals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin: 32px 20px 6px;
}

.pressure-visuals figure {
  position: relative;
  min-height: 230px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(112, 190, 180, 0.26);
  border-radius: 3px 22px 3px 3px;
  background: var(--ink);
  box-shadow: 0 16px 34px rgba(3, 49, 44, 0.14);
}

.pressure-visuals img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 230px;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.06);
}

.pressure-visuals figure:first-child img {
  object-position: 43% center;
}

.pressure-visuals figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(0, 30, 27, 0.08) 35%, rgba(1, 30, 28, 0.9)),
    linear-gradient(145deg, rgba(23, 112, 102, 0.3), transparent 48%);
}

.pressure-visuals figcaption {
  position: absolute;
  z-index: 1;
  right: 13px;
  bottom: 15px;
  left: 13px;
  color: rgba(239, 255, 252, 0.92);
  font-size: 13px;
  line-height: 1.65;
  letter-spacing: 0.04em;
}

.pain-list {
  display: grid;
  gap: 12px;
  padding: 34px 20px;
}

.pain-card {
  position: relative;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 12px;
  align-items: start;
  margin: 0;
  padding: 20px 18px;
  overflow: hidden;
  color: #e7faf6;
  border: 1px solid rgba(144, 224, 214, 0.16);
  border-radius: 3px 20px 3px 3px;
  background:
    radial-gradient(circle at 100% 0, rgba(89, 206, 193, 0.18), transparent 38%),
    var(--ink);
  box-shadow: 0 12px 25px rgba(7, 51, 47, 0.1);
}

.pain-card > span {
  color: var(--aqua);
  font-family: Georgia, serif;
  font-size: 13px;
  letter-spacing: 0.06em;
}

.pain-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.narrative {
  padding-top: 28px;
}

.narrative strong {
  color: #075e55;
}

.brand-keyword {
  font-weight: 800;
  letter-spacing: 0.04em;
}

.keyword-spotlight {
  display: inline-block;
  margin: 0 3px;
  padding: 1px 8px 2px;
  color: #eafffb !important;
  border-radius: 2px 10px 2px 2px;
  background: #08776c;
  font-weight: 800;
  letter-spacing: 0.08em;
  box-shadow: 0 6px 16px rgba(7, 94, 85, 0.16);
}

.statement {
  position: relative;
  margin: 50px 20px 18px;
  padding: 42px 20px;
  overflow: hidden;
  color: white;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0, rgba(112, 231, 219, 0.22), transparent 40%),
    var(--ink-deep);
}

.statement::before,
.statement::after {
  content: "✦";
  position: absolute;
  z-index: 2;
  color: #9ee9e1;
  font-size: 12px;
}

.statement::before {
  top: 14px;
  left: 16px;
}

.statement::after {
  right: 16px;
  bottom: 14px;
}

.statement p {
  margin: 0 0 14px;
  color: rgba(235, 255, 252, 0.66);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.statement strong {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: 0.04em;
}

.statement--visual {
  min-height: 260px;
  display: grid;
  align-content: end;
  border: 1px solid rgba(152, 229, 220, 0.2);
  background: #012c28;
  box-shadow: 0 18px 42px rgba(1, 40, 36, 0.2);
}

.statement--visual::after {
  right: 16px;
  bottom: 14px;
}

.statement-bg {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: saturate(0.82) contrast(1.08) brightness(0.72);
}

.statement--visual > p,
.statement--visual > strong {
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 14px rgba(0, 20, 18, 0.72);
}

.statement--visual > strong {
  font-size: clamp(22px, 6.8vw, 30px);
  font-weight: 800;
}

.content-section {
  padding-top: 86px;
}

.section-heading {
  display: grid;
  grid-template-columns: 58px 1fr;
  align-items: start;
  gap: 14px;
  margin-bottom: 32px;
}

.section-number {
  color: #226e65;
  font-family: Georgia, serif;
  font-size: 44px;
  font-style: italic;
  line-height: 1;
}

.section-heading h2 {
  margin: 8px 0 0;
  font-size: 27px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.04em;
}

.partner-section .section-heading h2 {
  font-size: clamp(18px, 5.8vw, 27px);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.heading-keyword {
  color: #075e55;
  font-weight: 800;
}

.section-heading h2 small {
  display: block;
  margin-top: 8px;
  color: #48756f;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.12em;
}

.section-intro {
  color: #416a65;
}

.highlight-card {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 14px;
  align-items: center;
  margin: 28px 0;
  padding: 24px 20px;
  color: white;
  border-radius: 2px 22px 2px 2px;
  background: linear-gradient(135deg, #073b37, #0b6058);
  box-shadow: 0 16px 40px rgba(3, 54, 49, 0.14);
}

.highlight-card .check {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #082e2b;
  border-radius: 50%;
  background: var(--aqua);
}

.highlight-card h3,
.highlight-card p {
  margin: 0;
}

.highlight-card h3 {
  font-size: 18px;
  font-weight: 500;
}

.highlight-card h3 > span {
  display: block;
  margin-bottom: 2px;
  color: rgba(226, 255, 251, 0.62);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
}

.zero-emphasis {
  display: inline-block;
  margin-right: 6px;
  color: #9cf3e9;
  font-family: Georgia, serif;
  font-size: 42px;
  font-style: italic;
  font-weight: 700;
  line-height: 0.85;
  text-shadow: 0 0 18px rgba(120, 240, 228, 0.32);
}

.highlight-card p {
  margin-top: 6px;
  color: rgba(231, 255, 251, 0.68);
  font-size: 14px;
}

.flow-panel {
  margin: 36px -26px;
  padding: 42px 26px;
  color: white;
  background:
    linear-gradient(135deg, rgba(8, 86, 78, 0.52), transparent),
    var(--ink-deep);
}

.flow-panel .eyebrow {
  color: #7ed8cf;
}

.flow-panel h3 {
  margin: 12px 0 30px;
  font-size: 22px;
  font-weight: 500;
}

.flow-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 30px;
}

.flow-step {
  display: contents;
}

.flow-step span {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid rgba(160, 240, 232, 0.56);
  border-radius: 50%;
  background: rgba(92, 218, 206, 0.08);
  box-shadow: 0 0 22px rgba(105, 218, 207, 0.12);
}

.flow-step b {
  color: #82dcd3;
  font-family: Arial, sans-serif;
  font-weight: 400;
}

.flow-panel > p:last-child {
  margin: 0;
  color: rgba(235, 255, 251, 0.72);
  font-size: 14px;
  line-height: 1.9;
}

.big-promise {
  display: grid;
  gap: 7px;
  margin: 34px 0;
  padding-left: 18px;
  border-left: 2px solid #44a69b;
}

.big-promise span {
  color: #67817c;
  font-size: 13px;
}

.big-promise strong {
  color: #07594f;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.numbered-grid {
  display: grid;
  gap: 14px;
}

.numbered-card {
  position: relative;
  display: flex;
  min-height: 294px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 112px 20px 26px;
  overflow: hidden;
  color: white;
  border: 1px solid rgba(122, 216, 206, 0.24);
  border-radius: 2px 24px 2px 2px;
  background: #043d38;
  box-shadow: 0 18px 38px rgba(3, 52, 47, 0.16);
  isolation: isolate;
}

.numbered-card::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 39, 35, 0.08), rgba(0, 31, 28, 0.42) 42%, rgba(0, 28, 25, 0.96) 82%),
    linear-gradient(130deg, rgba(9, 99, 90, 0.36), transparent 52%);
}

.numbered-card-bg {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
}

.numbered-card > span {
  position: absolute;
  z-index: 2;
  top: 17px;
  left: 20px;
  color: rgba(190, 255, 248, 0.92);
  font-family: Georgia, serif;
  font-size: 62px;
  font-style: italic;
  font-weight: 600;
  line-height: 1;
  text-shadow: 0 4px 22px rgba(0, 30, 27, 0.54);
}

.numbered-card > h3,
.numbered-card > p {
  position: relative;
  z-index: 2;
}

.numbered-card h3 {
  margin: 0 0 10px;
  color: #f2fffd;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  text-shadow: 0 2px 14px rgba(0, 20, 18, 0.72);
}

.numbered-card h3 strong {
  color: #9cf3e9;
  font-weight: 900;
}

.numbered-card p {
  margin: 0;
  color: rgba(233, 255, 252, 0.8);
  font-family: system-ui, -apple-system, "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.85;
  text-shadow: 0 2px 12px rgba(0, 20, 18, 0.72);
}

.rule-item p {
  margin: 0;
  color: #566c68;
  font-family: system-ui, -apple-system, "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.85;
}

.editorial-break {
  position: relative;
  margin: 62px 20px 0;
  overflow: hidden;
  border: 1px solid rgba(85, 170, 160, 0.24);
  border-radius: 2px 26px 2px 2px;
  background: #063d38;
  box-shadow: 0 20px 46px rgba(4, 53, 48, 0.17);
}

.editorial-break::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(225, 255, 251, 0.06);
}

.editorial-break img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.editorial-break--showroom img {
  aspect-ratio: 58 / 77;
  max-height: 500px;
  object-position: center 58%;
}

.editorial-break--assortment {
  margin-top: 68px;
}

.editorial-break--assortment img {
  aspect-ratio: 16 / 9;
}

.rule-list {
  border-top: 1px solid var(--line);
}

.rule-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 12px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.rule-index {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  color: white;
  border-radius: 50%;
  background: #176d65;
  font-family: Arial, sans-serif;
  font-size: 12px;
}

.rule-item h3 {
  margin: 2px 0 9px;
  font-size: 17px;
  font-weight: 600;
}

.partner-list {
  display: grid;
  gap: 10px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
}

.partner-list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: center;
  padding: 17px;
  color: #eafffc;
  border-radius: 2px 14px 2px 2px;
  background: #0a453f;
  font-size: 15px;
  line-height: 1.6;
}

.partner-list .partner-check {
  color: #83e4da;
}

.partner-copy {
  min-width: 0;
  color: #eafffc;
}

.inline-keyword {
  color: #a7f3eb;
  font-weight: 800;
}

.three-zero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
  margin: 32px 0;
  padding: 25px;
  border: 1px solid rgba(22, 125, 114, 0.2);
  text-align: center;
  background: rgba(255, 255, 255, 0.48);
}

.three-zero span {
  color: #12665d;
  font-size: 16px;
  font-weight: 600;
}

.three-zero span + span::before {
  content: "·";
  display: block;
  margin-bottom: 7px;
  color: #76b6af;
}

.collab-copy {
  padding: 24px;
  border-left: 3px solid #1c756c;
  background: rgba(23, 115, 105, 0.07);
}

.collab-copy p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
}

.collab-copy p + p {
  margin-top: 6px;
}

.about-visual {
  position: relative;
  height: 280px;
  margin: 0 -26px 34px;
  overflow: hidden;
}

.about-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, var(--paper));
}

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 32px;
  color: white;
  background: rgba(126, 219, 209, 0.22);
}

.brand-stats div {
  display: grid;
  gap: 6px;
  place-items: center;
  min-height: 100px;
  padding: 12px 6px;
  text-align: center;
  background: #073d38;
}

.brand-stats strong {
  color: #c8f8f3;
  font-size: 19px;
  font-weight: 500;
}

.brand-stats span {
  color: rgba(226, 255, 251, 0.58);
  font-size: 11px;
}

.closing-section {
  padding-bottom: 78px;
}

.closing-section blockquote {
  position: relative;
  margin: 28px 0;
  padding: 34px 24px;
  color: white;
  border-radius: 24px 2px 24px 2px;
  background:
    radial-gradient(circle at 100% 0, rgba(97, 226, 214, 0.22), transparent 35%),
    #052f2c;
  font-size: 19px;
  line-height: 1.9;
}

.closing-section blockquote::before {
  content: "“";
  position: absolute;
  top: -12px;
  left: 15px;
  color: #8be0d7;
  font-family: Georgia, serif;
  font-size: 60px;
  opacity: 0.55;
}

.final-wish {
  margin-top: 40px !important;
  color: #075e55;
  font-size: 23px !important;
  font-weight: 600;
  line-height: 1.7 !important;
  text-align: center !important;
}

.signature {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  margin-top: 38px !important;
  color: #416c66;
  text-align: right !important;
}

.signature span {
  font-size: 13px;
  letter-spacing: 0.25em;
}

.contact-section {
  position: relative;
  padding: 72px 24px calc(48px + env(safe-area-inset-bottom));
  overflow: hidden;
  color: white;
  text-align: center;
  background:
    radial-gradient(circle at 90% 10%, rgba(85, 222, 208, 0.26), transparent 30%),
    linear-gradient(160deg, #032825, #011a19 70%);
}

.contact-section::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 210px;
  height: 210px;
  border: 1px solid rgba(132, 227, 217, 0.14);
  border-radius: 50%;
  box-shadow: 0 0 0 28px rgba(132, 227, 217, 0.025);
}

.contact-section .eyebrow {
  color: #79d6cd;
}

.contact-section h2 {
  margin-bottom: 8px;
  font-size: 32px;
}

.contact-subtitle {
  margin: 0;
  color: rgba(225, 255, 251, 0.62);
  font-size: 14px;
}

.contact-actions {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin: 38px 0 36px;
}

.contact-actions button,
.contact-actions a {
  display: grid;
  grid-template-columns: 54px 1fr;
  align-items: center;
  min-height: 66px;
  padding: 0 20px;
  color: white;
  border: 1px solid rgba(157, 235, 227, 0.28);
  border-radius: 3px;
  background: rgba(130, 224, 215, 0.08);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.contact-actions span {
  color: #88dcd3;
  font-size: 12px;
  letter-spacing: 0.18em;
}

.contact-actions strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.signup-flow {
  position: relative;
  z-index: 1;
  padding: 24px 20px;
  border: 1px solid rgba(152, 230, 221, 0.12);
  background: rgba(0, 12, 12, 0.2);
  text-align: left;
}

.signup-flow > p {
  margin: 0 0 20px;
  color: #9ae3dc;
  font-size: 13px;
  letter-spacing: 0.22em;
}

.signup-flow ol {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.signup-flow li {
  display: grid;
  grid-template-columns: 32px 1fr;
  align-items: center;
  color: rgba(235, 255, 252, 0.78);
  font-size: 14px;
  line-height: 1.6;
}

.signup-flow li span {
  color: #62bbb2;
  font-family: Georgia, serif;
  font-size: 11px;
}

.footer-brand {
  margin: 70px 0 8px;
  color: #edfffd;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 31px;
  letter-spacing: 0.02em;
}

.footer-tagline {
  margin: 0;
  color: rgba(126, 214, 205, 0.6);
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.32em;
}

.jewel-atmosphere {
  position: fixed;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(circle at 16% 20%, rgba(117, 224, 213, 0.24), transparent 24%),
    radial-gradient(circle at 88% 54%, rgba(170, 225, 218, 0.2), transparent 28%),
    radial-gradient(circle at 30% 92%, rgba(79, 190, 174, 0.18), transparent 25%),
    #052d29;
}

.jewel-atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(1, 24, 22, 0.22), rgba(1, 24, 22, 0.78)),
    radial-gradient(circle at center, transparent 20%, rgba(0, 20, 18, 0.46));
}

.jewel-layer {
  position: absolute;
  display: block;
  overflow: hidden;
  border: 1px solid rgba(185, 245, 238, 0.16);
  background-position: center;
  background-size: cover;
  box-shadow:
    0 30px 90px rgba(0, 10, 9, 0.5),
    0 0 70px rgba(91, 217, 204, 0.12);
  filter: saturate(0.68) contrast(1.08);
  opacity: 0.35;
}

.jewel-layer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6, 53, 48, 0.12), rgba(0, 27, 25, 0.65));
}

.jewel-layer-one {
  top: -7vh;
  left: -28vw;
  width: 88vw;
  height: 58vh;
  border-radius: 0 0 48% 0;
  transform: rotate(-8deg);
}

.jewel-layer-two {
  top: 38vh;
  right: -36vw;
  width: 96vw;
  height: 66vh;
  border-radius: 48% 0 0 48%;
  transform: rotate(9deg);
}

.jewel-layer-three {
  bottom: -16vh;
  left: -24vw;
  width: 92vw;
  height: 70vh;
  border-radius: 0 48% 0 0;
  transform: rotate(-5deg);
}

.ambient-images-ready .jewel-layer-one {
  background-image: url("assets/product-1.webp");
}

.ambient-images-ready .jewel-layer-two {
  background-image: url("assets/product-3.jpg");
}

.ambient-images-ready .jewel-layer-three {
  background-image: url("assets/product-2.jpg");
}

.jewel-prism {
  position: absolute;
  z-index: 2;
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #e8fffc;
  box-shadow:
    0 0 7px 2px #81e9df,
    0 0 36px 8px rgba(105, 234, 222, 0.55);
}

.jewel-prism-one {
  top: 24%;
  right: 14%;
}

.jewel-prism-two {
  bottom: 18%;
  left: 12%;
}

.firefly-field {
  position: fixed;
  z-index: 30;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.firefly {
  position: absolute;
  bottom: -24px;
  display: block;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: rgba(217, 255, 250, 0.98);
  box-shadow:
    0 0 6px 2px rgba(126, 234, 222, 0.88),
    0 0 18px 5px rgba(87, 213, 201, 0.38);
  opacity: 0;
  animation: firefly-rise var(--duration) linear var(--delay) infinite;
}

.invitation {
  position: relative;
  z-index: 1;
  background:
    radial-gradient(circle at 0 18%, rgba(77, 168, 155, 0.13), transparent 25%),
    rgba(211, 234, 226, 0.82);
  backdrop-filter: blur(7px);
}

.content-shell {
  position: relative;
  background:
    linear-gradient(rgba(222, 239, 233, 0.94), rgba(211, 232, 225, 0.96)),
    radial-gradient(circle at 15% 10%, rgba(72, 151, 141, 0.14), transparent 28%);
  backdrop-filter: blur(9px);
}

.content-shell::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 102% 18%, rgba(41, 132, 121, 0.16), transparent 16%),
    radial-gradient(circle at -5% 47%, rgba(69, 165, 151, 0.12), transparent 14%),
    radial-gradient(circle at 105% 73%, rgba(38, 142, 129, 0.13), transparent 17%);
}

.content-shell > * {
  position: relative;
  z-index: 1;
}

.brand-story-card {
  position: relative;
  margin: 46px 20px 0;
  overflow: hidden;
  border: 1px solid rgba(175, 230, 222, 0.28);
  border-radius: 3px 30px 3px 3px;
  background: #082d27;
  box-shadow: 0 24px 56px rgba(4, 44, 39, 0.19);
}

.brand-story-card--late {
  margin-top: 70px;
}

.brand-story-card img {
  display: block;
  width: 100%;
  height: auto;
}

.brand-story-card figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  gap: 4px;
  padding: 38px 20px 18px;
  color: white;
  background: linear-gradient(transparent, rgba(1, 27, 24, 0.88));
}

.brand-story-card figcaption span {
  color: #9adfd7;
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.25em;
}

.brand-story-card figcaption strong {
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.product-showcase {
  margin: 66px 0 20px;
  padding: 44px 0 34px;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 100% 0, rgba(99, 225, 212, 0.22), transparent 30%),
    linear-gradient(155deg, #052c29, #011c1a);
}

.showcase-heading {
  padding: 0 26px 26px;
}

.showcase-heading .eyebrow {
  color: #76d3ca;
}

.showcase-heading h2 {
  margin: 10px 0 5px;
  font-size: 25px;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.showcase-heading > p:last-child {
  margin: 0;
  color: rgba(226, 255, 251, 0.55);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.product-carousel {
  overflow: hidden;
}

.carousel-track {
  display: flex;
  width: 100%;
  transition: transform 0.85s cubic-bezier(0.65, 0, 0.35, 1);
  will-change: transform;
}

.carousel-track.is-jumping {
  transition: none;
}

.product-slide {
  position: relative;
  flex: 0 0 100%;
  margin: 0;
  overflow: hidden;
  background: #dcebe7;
}

.product-slide img {
  display: block;
  width: 100%;
  height: min(132vw, 760px);
  object-fit: cover;
  object-position: center top;
  transform: scale(1.01);
  transition: transform 6s ease;
}

.product-slide.is-active img {
  transform: scale(1.055);
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 9px;
  padding-top: 24px;
}

.carousel-indicators button {
  width: 22px;
  height: 2px;
  padding: 0;
  border: 0;
  background: rgba(172, 232, 225, 0.28);
  transition:
    width 0.35s ease,
    background 0.35s ease,
    box-shadow 0.35s ease;
  cursor: pointer;
}

.carousel-indicators button.is-active {
  width: 48px;
  background: #9cebe3;
  box-shadow: 0 0 12px rgba(114, 225, 214, 0.55);
}

.circulation-map {
  position: relative;
  max-width: 470px;
  margin: 4px auto 28px;
  aspect-ratio: 4 / 3.45;
  overflow: hidden;
  border: 1px solid rgba(135, 224, 215, 0.2);
  border-radius: 22px 4px 22px 4px;
  background:
    radial-gradient(circle at 50% 45%, rgba(45, 148, 135, 0.25), transparent 62%),
    linear-gradient(180deg, rgba(19, 92, 84, 0.4), rgba(0, 18, 17, 0.62));
  box-shadow:
    0 0 60px rgba(59, 184, 171, 0.08) inset,
    0 22px 50px rgba(0, 12, 11, 0.28);
}

.circulation-map::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  opacity: 0.17;
  background-image:
    linear-gradient(rgba(129, 219, 210, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(129, 219, 210, 0.4) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle, #000 20%, transparent 75%);
}

.china-map-canvas {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.map-loading {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(218, 255, 250, 0.64);
  font-family: Arial, sans-serif;
  font-size: 11px;
  letter-spacing: 0.14em;
  transition: opacity 0.3s ease;
}

.map-loading.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.map-source-note {
  margin: -15px 2px 24px !important;
  color: rgba(199, 239, 234, 0.48) !important;
  font-family: system-ui, -apple-system, "PingFang SC", sans-serif;
  font-size: 9px !important;
  line-height: 1.7 !important;
  text-align: center !important;
}

.contact-codes {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 34px 0 18px;
}

.contact-codes figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(158, 234, 225, 0.23);
  border-radius: 5px 18px 5px 5px;
  background: rgba(228, 255, 251, 0.07);
  box-shadow: 0 15px 32px rgba(0, 10, 9, 0.25);
}

.contact-codes img {
  display: block;
  width: 100%;
  aspect-ratio: 0.78;
  object-fit: cover;
  object-position: top;
  background: white;
}

.contact-codes figcaption {
  display: grid;
  gap: 3px;
  padding: 12px 10px 14px;
  text-align: left;
}

.contact-codes figcaption span {
  color: #7ed5cc;
  font-family: Arial, sans-serif;
  font-size: 9px;
  letter-spacing: 0.18em;
}

.contact-codes figcaption strong {
  color: rgba(237, 255, 252, 0.86);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.03em;
}

@keyframes firefly-rise {
  0% {
    opacity: 0;
    transform: translate3d(0, 15vh, 0) scale(0.6);
  }
  12% {
    opacity: var(--opacity);
  }
  48% {
    transform: translate3d(var(--drift), -46vh, 0) scale(1);
  }
  82% {
    opacity: calc(var(--opacity) * 0.8);
  }
  100% {
    opacity: 0;
    transform: translate3d(calc(var(--drift) * -0.45), -118vh, 0) scale(0.35);
  }
}

@keyframes cover-breathe {
  to {
    transform: scale(1.045);
  }
}

@keyframes button-glow {
  50% {
    box-shadow:
      0 0 0 1px rgba(134, 239, 230, 0.2) inset,
      0 0 42px rgba(92, 224, 215, 0.34);
  }
}

@keyframes arrow-rise {
  0%,
  100% {
    opacity: 0.22;
    transform: translateY(5px) rotate(45deg);
  }
  50% {
    opacity: 1;
    transform: translateY(0) rotate(45deg);
  }
}

@keyframes cue-drop {
  50% {
    transform: translateY(5px);
  }
}

@media (min-width: 700px) {
  body {
    background: #072e2a;
  }

  .content-shell {
    margin-top: 0;
  }

  .letter-opening,
  .narrative,
  .content-section,
  .closing-section {
    padding-right: 56px;
    padding-left: 56px;
  }

  .pain-list {
    grid-template-columns: 1fr 1fr;
    padding-right: 50px;
    padding-left: 50px;
  }

  .pain-card:last-child {
    grid-column: 1 / -1;
  }

  .flow-panel,
  .about-visual {
    margin-right: -56px;
    margin-left: -56px;
  }

  .flow-panel {
    padding-right: 56px;
    padding-left: 56px;
  }

  .contact-section {
    padding-right: 56px;
    padding-left: 56px;
  }
}

@media (max-height: 700px) {
  .brand-frame {
    width: 88px;
    height: 112px;
    margin: 18px auto;
  }

  .hero h1 {
    font-size: 32px;
  }

  .scroll-cue {
    margin-top: 20px;
  }
}

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

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