:root {
  --bg: #020817;
  --bg2: #061022;
  --panel: #08162a;
  --panel2: #0b1c34;
  --text: #f6fbff;
  --muted: #91a4bc;
  --muted2: #6f829a;
  --line: rgba(255, 255, 255, 0.11);
  --line2: rgba(255, 255, 255, 0.065);
  --mint: #18cbbd;
  --mint2: #73e8dd;
  --cyan: #67d3ff;
  --shadow: 0 30px 100px rgba(0, 0, 0, 0.35);
  --max: 1380px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  background: var(--bg);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    "Pretendard",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  letter-spacing: -0.025em;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
img {
  display: block;
  max-width: 100%;
}
.wrap {
  width: min(var(--max), calc(100% - 80px));
  margin: 0 auto;
}
.section {
  position: relative;
  padding: 118px 0;
}
.section-head {
  max-width: 860px;
  margin-bottom: 52px;
}
.section-title {
  margin: 0;
  font-size: clamp(38px, 4.7vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.055em;
  font-weight: 820;
}
.section-desc {
  margin: 20px 0 0;
  max-width: 700px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 150px;
  height: 50px;
  border-radius: 11px;
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 760;
  transition: 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: linear-gradient(135deg, #6be6dc, #61cdf5);
  color: #03121e;
  border: 0;
}
.btn-ghost {
  background: rgba(5, 16, 34, 0.43);
  backdrop-filter: blur(14px);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #78e5dc;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
  margin-bottom: 20px;
}
.eyebrow:before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
}

/* header */
.site-header {
  position: absolute;
  z-index: 30;
  top: 0;
  left: 0;
  width: 100%;
}
.header-inner {
  width: min(var(--max), calc(100% - 80px));
  height: 88px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}
.logo img {
  width: 160px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 27px;
  color: #d9e5f4;
  font-size: 13px;
}
.nav a {
  opacity: 0.75;
}
.nav a:hover {
  opacity: 1;
}
.lang {
  display: flex;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(2, 8, 23, 0.48);
  backdrop-filter: blur(16px);
}
.lang button {
  border: 0;
  background: transparent;
  color: #8da0ba;
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
}
.lang button.active {
  background: #fff;
  color: #071224;
}

/* hero */
.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -5;
  background: #020817;
}
.hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 63% center;
  filter: brightness(0.83) saturate(0.92) contrast(1.04);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -4;
  background:
    linear-gradient(
      90deg,
      rgba(2, 8, 23, 0.995) 0%,
      rgba(2, 8, 23, 0.96) 29%,
      rgba(2, 8, 23, 0.72) 47%,
      rgba(2, 8, 23, 0.19) 70%,
      rgba(2, 8, 23, 0.12) 100%
    ),
    linear-gradient(
      180deg,
      rgba(2, 8, 23, 0.1),
      rgba(2, 8, 23, 0.05) 55%,
      rgba(2, 8, 23, 0.75) 100%
    );
}
.hero-fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 210px;
  z-index: -3;
  background: linear-gradient(180deg, transparent, #020817);
}
.hero-inner {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 132px 0 82px;
}
.hero-copy {
  width: min(850px, 52vw);
}
.hero h1 {
  margin: 0;
  max-width: 850px;
  font-size: clamp(48px, 5.35vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.06em;
  font-weight: 840;
}
.hero h1 .gradient {
  display: block;
  margin-top: 8px;
  color: transparent;
  background: linear-gradient(90deg, #76ede4, #67d5ff 56%, #edf8ff);
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-copy p {
  margin: 24px 0 0;
  max-width: 540px;
  color: #ccd8e7;
  font-size: 16px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 30px;
}
.hero-meta {
  margin-top: 44px;
  display: flex;
  gap: 26px;
  align-items: center;
  color: #8193aa;
  font-size: 11px;
}
.hero-meta span {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-meta i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  display: inline-block;
}

/* about */
.about {
  background: linear-gradient(180deg, #020817, #050d1d);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.placeholder-visual {
  min-height: 500px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background:
    radial-gradient(
      circle at 60% 35%,
      rgba(24, 203, 189, 0.14),
      transparent 26%
    ),
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.05),
      rgba(255, 255, 255, 0.015)
    ),
    #0a1528;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.placeholder-visual:before {
  content: "";
  position: absolute;
  inset: 11%;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 22px;
}
.placeholder-visual:after {
  content: "GSDT / PRODUCT VISUAL";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: #60758f;
  font-size: 11px;
  letter-spacing: 0.12em;
}
.about-visual {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: #07101f;
  box-shadow: var(--shadow);
}
.about-visual video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-visual-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(2, 8, 23, 0.82));
}
.about-visual > span {
  position: absolute;
  left: 28px;
  bottom: 24px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}
.blog-detail-section {
  padding-top: 72px;
}
.blog-detail-wrap {
  max-width: 900px;
}
.blog-back {
  display: inline-flex;
  margin-bottom: 30px;
  color: var(--muted);
  text-decoration: none;
}
.blog-back:hover {
  color: #fff;
}
.blog-article {
  min-height: 360px;
  padding: 46px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(8, 19, 38, 0.76);
  box-shadow: var(--shadow);
}
.blog-article header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.blog-detail-title {
  margin: 12px 0 0;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.15;
}
.blog-detail-body {
  padding-top: 34px;
  color: #c8d4e4;
  font-size: 16px;
}
.notice-title-button {
  text-decoration: none;
  color: inherit;
}
@media (max-width: 767px) {
  .blog-article {
    padding: 24px;
  }
  .about-visual {
    min-height: 360px;
  }
}
.about-copy p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.88;
}
.about-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 17px;
  margin-top: 30px;
}
.about-point {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.about-point b {
  display: block;
  font-size: 14px;
}
.about-point span {
  display: block;
  margin-top: 8px;
  color: #7e91aa;
  font-size: 12px;
  line-height: 1.65;
}

/* payments */
.payments {
  background: #050d1d;
}
.payment-layout {
  display: grid;
  grid-template-columns: 0.76fr 1.24fr;
  gap: 62px;
  align-items: center;
}
.payment-copy .section-desc {
  max-width: 520px;
}
.payment-ui {
  position: relative;
  min-height: 650px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background:
    radial-gradient(
      circle at 80% 10%,
      rgba(23, 203, 189, 0.12),
      transparent 28%
    ),
    linear-gradient(145deg, #0a1629, #071225);
  box-shadow: var(--shadow);
  padding: 24px;
  overflow: hidden;
}
.ui-window {
  height: 100%;
  min-height: 602px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: #07101f;
  padding: 21px;
}
.ui-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--line2);
}
.dots {
  display: flex;
  gap: 7px;
}
.dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3e526c;
}
.merchant {
  font-size: 11px;
  color: #8193a9;
}
.flow {
  display: grid;
  grid-template-columns: 1fr 46px 1fr 46px 1fr;
  align-items: center;
  gap: 8px;
  margin: 34px 0 28px;
}
.flow-node {
  min-height: 112px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 17px;
  background: rgba(255, 255, 255, 0.035);
}
.flow-node small {
  color: #6f849e;
  font-size: 10px;
}
.flow-node strong {
  display: block;
  margin-top: 24px;
  font-size: 14px;
}
.flow-node em {
  display: block;
  margin-top: 7px;
  color: #8fa2b8;
  font-style: normal;
  font-size: 11px;
}
.flow-arrow {
  text-align: center;
  color: #5cded4;
  font-size: 20px;
}
.checkout-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 16px;
}
.checkout-card,
.settlement-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #0b1729;
  padding: 20px;
}
.checkout-card h4,
.settlement-card h4 {
  margin: 0;
  font-size: 14px;
}
.amount {
  font-size: 38px;
  font-weight: 820;
  letter-spacing: -0.05em;
  margin: 25px 0 21px;
}
.amount span {
  font-size: 13px;
  color: #8fa1b7;
  font-weight: 600;
  margin-left: 5px;
}
.line-row {
  display: flex;
  justify-content: space-between;
  padding: 11px 0;
  border-top: 1px solid var(--line2);
  font-size: 11px;
  color: #8ea0b7;
}
.pay-btn {
  margin-top: 16px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, #5fe0d5, #5cc8f3);
  color: #03131e;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 12px;
}
.settle-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.badge {
  padding: 6px 9px;
  border-radius: 999px;
  background: rgba(36, 211, 195, 0.1);
  color: #69e7de;
  font-size: 9px;
  font-weight: 800;
}
.progress {
  margin: 24px 0;
  height: 7px;
  background: #10233f;
  border-radius: 99px;
  overflow: hidden;
}
.progress i {
  display: block;
  width: 76%;
  height: 100%;
  background: linear-gradient(90deg, #25d2c4, #65d0ff);
}
.settle-list {
  display: grid;
  gap: 11px;
}
.settle-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 0;
  border-top: 1px solid var(--line2);
  font-size: 11px;
}
.settle-item span {
  color: #7f92aa;
}

/* reserve/transparency */
.reserve,
.transparency {
  background: #030a18;
}
.reserve-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 22px;
}
.reserve-main {
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 38px;
  min-height: 400px;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.05),
    rgba(255, 255, 255, 0.015)
  );
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.reserve-main .big {
  font-size: clamp(62px, 7vw, 102px);
  font-weight: 850;
  letter-spacing: -0.07em;
  line-height: 0.9;
}
.reserve-main .big span {
  display: block;
  margin-top: 15px;
  font-size: 12px;
  color: #8295ae;
  letter-spacing: 0;
  font-weight: 600;
}
.reserve-bar {
  height: 9px;
  background: #101d31;
  border-radius: 99px;
  overflow: hidden;
}
.reserve-bar i {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #1ed1c3, #61cff9);
}
.reserve-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.reserve-card {
  min-height: 190px;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 25px;
  background: rgba(255, 255, 255, 0.032);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.reserve-card .num {
  color: #63ddd4;
  font-size: 11px;
  font-weight: 800;
}
.reserve-card h3 {
  margin: 0;
  font-size: 18px;
}
.reserve-card p {
  margin: 9px 0 0;
  color: #8395ad;
  font-size: 12px;
  line-height: 1.68;
}
.trans-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 22px;
}
.ledger {
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 28px;
  background: #071225;
  min-height: 460px;
}
.ledger-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.live {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #6fe6dd;
  font-size: 10px;
  font-weight: 800;
}
.live:before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #25d0c2;
}
.tx {
  display: grid;
  grid-template-columns: 1.15fr 0.8fr 0.65fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line2);
  font-size: 11px;
  color: #91a3b9;
}
.tx code {
  color: #e2ebf7;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.trans-side {
  display: grid;
  gap: 18px;
}
.trans-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.032);
}
.trans-card h3 {
  margin: 0;
  font-size: 20px;
}
.trans-card p {
  margin: 11px 0 0;
  color: #8294ac;
  line-height: 1.7;
  font-size: 13px;
}
.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: #70e7de;
  font-size: 12px;
  font-weight: 760;
}

/* use cases */
.usecase {
  background: #020817;
}
.use-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.use-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.042),
    rgba(255, 255, 255, 0.014)
  );
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.use-media {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #071225;
}
.use-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.45s ease;
}
.use-card:hover .use-media img {
  transform: scale(1.025);
}
.use-content {
  padding: 24px 26px 26px;
}
.use-card h3 {
  margin: 0;
  font-size: 21px;
}
.use-card p {
  margin: 10px 0 0;
  color: #8193aa;
  line-height: 1.68;
  font-size: 13px;
}

/* ecosystem */
.ecosystem {
  position: relative;
  background: #061022;
  padding: 104px 0;
}
.ecosystem-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: end;
}
.ecosystem-note {
  justify-self: end;
  max-width: 530px;
  color: #8ca0b8;
  font-size: 13px;
  line-height: 1.75;
}
.eco-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 42px;
}
.eco-card {
  min-height: 190px;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.025);
  position: relative;
  overflow: hidden;
}
.eco-card:after {
  content: "";
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  right: -20px;
  bottom: -32px;
  background: radial-gradient(
    circle,
    rgba(24, 203, 189, 0.14),
    transparent 68%
  );
}
.eco-icon {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: #71e7dd;
  font-size: 18px;
  background: #09182b;
}
.eco-card h3 {
  margin: 25px 0 0;
  font-size: 17px;
}
.eco-card p {
  margin: 9px 0 0;
  color: #7f92aa;
  font-size: 12px;
  line-height: 1.65;
}
.eco-card small {
  display: inline-flex;
  margin-top: 18px;
  color: #5f7188;
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* notice / faq — same visual width & rhythm */
.notice-section,
.faq-section {
  background: #020817;
}
.notice-section .wrap,
.faq-section .wrap {
  width: min(var(--max), calc(100% - 80px));
  max-width: none;
}
.notice-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}
.notice-section .section-head,
.faq-section .section-head {
  max-width: 860px;
  margin-bottom: 36px;
}
.notice-list,
.faq-list {
  border-top: 1px solid var(--line);
  margin-top: 0;
}
.notice-header-row .section-head {
  margin-bottom: 0;
}
.notice-header-row .text-link {
  margin-top: 0;
  flex-shrink: 0;
  white-space: nowrap;
  padding: 8px 0;
}
.notice-header-row .text-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.notice-item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) 32px;
  gap: 20px;
  align-items: center;
  min-height: 74px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line2);
  color: inherit;
  text-decoration: none;
  transition: background-color 0.2s ease;
}
.notice-item:hover {
  background-color: rgba(95, 222, 212, 0.05);
}
.notice-item:hover .notice-title {
  color: #70e7de;
}
.notice-item:focus-visible,
.notice-header-row .text-link:focus-visible {
  outline: 2px solid #70e7de;
  outline-offset: 4px;
}
.notice-item .notice-title {
  overflow-wrap: anywhere;
}
.notice-item .notice-more {
  justify-self: end;
}
.notice-date {
  font-size: 11px;
  color: #7689a1;
}
.notice-title {
  font-size: 15px;
}
.notice-more {
  color: #5fded4;
  font-size: 18px;
}

.faq-wrap {
  max-width: none;
}
.faq-item {
  border-bottom: 1px solid var(--line2);
}
.faq-q {
  width: 100%;
  min-height: 74px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 22px 0;
  border: 0;
  background: transparent;
  color: #fff;
  text-align: left;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
}
.faq-q span:last-child {
  font-size: 22px;
  color: #6fe0d7;
  transition: 0.2s;
}
.faq-a {
  display: none;
  padding: 0 46px 22px 0;
  color: #8497af;
  font-size: 13px;
  line-height: 1.78;
  max-width: 920px;
}
.faq-item.open .faq-a {
  display: block;
}
.faq-item.open .faq-q span:last-child {
  transform: rotate(45deg);
}

/* dynamic content */
.content-state {
  margin: 0;
  padding: 24px 0;
  color: var(--muted);
  font-size: 13px;
}
.content-state[role="alert"] {
  color: #ff9f9f;
}
.report-feed {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}
.report-item {
  min-height: 175px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}
.report-date {
  color: #6fe0d7;
  font-size: 11px;
}
.report-title {
  margin: 10px 0 0;
  font-size: 17px;
}
.report-description {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-line;
}
.content-file-link {
  color: #6fe0d7;
  font-size: 12px;
  font-weight: 750;
}
.content-file-link:focus-visible,
.notice-title-button:focus-visible,
.pagination-button:focus-visible {
  outline: 2px solid #6fe0d7;
  outline-offset: 4px;
}

/* notice archive */
.blog-header {
  position: absolute;
  background: rgba(2, 8, 23, 0.74);
  backdrop-filter: blur(18px);
}
.blog-main {
  min-height: calc(100vh - 95px);
  padding-top: 88px;
  background:
    radial-gradient(
      circle at 75% 10%,
      rgba(24, 203, 189, 0.1),
      transparent 25%
    ),
    #020817;
}
.blog-notices {
  padding-top: 92px;
}
.blog-notice-list {
  margin-top: 10px;
}
.blog-notice {
  border-bottom: 1px solid var(--line2);
}
.blog-notice.is-pinned {
  background: linear-gradient(90deg, rgba(24, 203, 189, 0.06), transparent);
}
.notice-title-button {
  width: 100%;
  min-height: 78px;
  display: grid;
  grid-template-columns: 120px 1fr 32px;
  gap: 20px;
  align-items: center;
  padding: 20px 0;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}
.notice-title-button .notice-title {
  font-size: 15px;
}
.notice-title-button .notice-more {
  font-size: 20px;
  color: #6fe0d7;
  transition: transform 0.2s;
}
.notice-title-button[aria-expanded="true"] .notice-more {
  transform: rotate(45deg);
}
.notice-body {
  padding: 0 52px 28px 140px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  white-space: pre-line;
}

.rich-content {
  line-height: 1.75;
}
.rich-content p,
.rich-content ul,
.rich-content ol,
.rich-content blockquote {
  margin: 0 0 1em;
}
.rich-content ul,
.rich-content ol {
  padding-left: 1.5em;
}
.rich-content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.25rem auto;
  border-radius: 12px;
}
.rich-content a {
  color: var(--color-primary, #2f6fed);
  text-decoration: underline;
}
.rich-content blockquote {
  padding: 0.75rem 1rem;
  border-left: 3px solid currentColor;
  opacity: 0.82;
}
.rich-content h1,
.rich-content h2,
.rich-content h3 {
  margin: 1.2em 0 0.55em;
  line-height: 1.35;
}
.rich-content iframe {
  width: 100%;
  max-width: 760px;
  aspect-ratio: 16/9;
  border: 0;
}
.notice-pagination {
  min-height: 45px;
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}
.pagination-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: #dce8f5;
  font-size: 12px;
}
.pagination-status {
  color: var(--muted);
  font-size: 12px;
}

/* closing/footer */
.closing {
  position: relative;
  padding: 104px 0;
  background:
    radial-gradient(
      circle at 50% 100%,
      rgba(31, 205, 192, 0.13),
      transparent 32%
    ),
    #020817;
}
.closing-box {
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 64px 40px;
  text-align: center;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.05),
    rgba(255, 255, 255, 0.012)
  );
}
.closing-box h2 {
  margin: 0;
  font-size: clamp(40px, 4.8vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.055em;
}
.closing-box p {
  margin: 19px auto 0;
  max-width: 650px;
  color: #8fa2ba;
  font-size: 15px;
  line-height: 1.78;
}
.closing-box .hero-actions {
  justify-content: center;
}
footer {
  position: relative;
  border-top: 1px solid var(--line);
  background: #020817;
  padding: 30px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  color: #708299;
  font-size: 11px;
}
.footer-logo img {
  width: 122px;
  opacity: 0.84;
}

@media (max-width: 1100px) {
  .wrap,
  .header-inner {
    width: calc(100% - 44px);
  }
  .nav a {
    display: none;
  }
  .hero-copy {
    width: min(620px, 68vw);
  }
  .about-grid,
  .payment-layout,
  .reserve-grid,
  .trans-grid,
  .ecosystem-intro {
    grid-template-columns: 1fr;
  }
  .use-grid {
    grid-template-columns: 1fr 1fr;
  }
  .eco-grid {
    grid-template-columns: 1fr 1fr;
  }
  .ecosystem-note {
    justify-self: start;
  }
}
@media (max-width: 700px) {
  .wrap,
  .header-inner {
    width: calc(100% - 32px);
  }
  .header-inner {
    height: 74px;
  }
  .logo img {
    width: 138px;
  }
  .hero-inner {
    align-items: flex-end;
    padding: 105px 0 58px;
  }
  .hero-copy {
    width: 100%;
  }
  .hero h1 {
    font-size: clamp(42px, 12.5vw, 60px);
  }
  .hero-copy p {
    font-size: 15px;
    max-width: 90%;
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn {
    width: 210px;
  }

  .hero-actions a {
    width: 100%;
  }
  .hero-meta {
    flex-wrap: wrap;
    gap: 12px 18px;
    margin-top: 34px;
  }
  .hero-media {
    position: fixed;
    inset: 0;
  }
  .hero-media video {
    object-position: 82% center;
  }
  .hero-overlay {
    background:
      linear-gradient(
        90deg,
        rgba(2, 8, 23, 0.97) 0%,
        rgba(2, 8, 23, 0.9) 43%,
        rgba(2, 8, 23, 0.37) 76%,
        rgba(2, 8, 23, 0.18) 100%
      ),
      linear-gradient(
        180deg,
        rgba(2, 8, 23, 0.18),
        rgba(2, 8, 23, 0.1) 48%,
        rgba(2, 8, 23, 0.92) 88%,
        #020817 100%
      );
  }
  .section {
    padding: 82px 0;
  }
  .section-title {
    font-size: 39px;
  }
  .about-points,
  .reserve-side,
  .use-grid,
  .eco-grid {
    grid-template-columns: 1fr;
  }
  .placeholder-visual {
    min-height: 340px;
  }
  .payment-ui {
    min-height: auto;
    padding: 14px;
  }
  .ui-window {
    min-height: auto;
    padding: 14px;
  }
  .flow {
    grid-template-columns: 1fr;
    gap: 9px;
    margin: 24px 0;
  }
  .flow-arrow {
    transform: rotate(90deg);
  }
  .checkout-grid {
    grid-template-columns: 1fr;
  }
  .notice-header-row {
    flex-wrap: wrap;
    gap: 8px 16px;
  }
  .notice-item {
    grid-template-columns: 82px minmax(0, 1fr) 20px;
    gap: 12px;
  }
  .faq-q {
    font-size: 15px;
  }
  .report-feed {
    grid-template-columns: 1fr;
  }
  .blog-main {
    padding-top: 72px;
  }
  .blog-notices {
    padding-top: 64px;
  }
  .notice-title-button {
    grid-template-columns: 1fr 24px;
    gap: 12px;
  }
  .notice-title-button .notice-date {
    grid-column: 1 / -1;
  }
  .notice-body {
    padding: 0 24px 24px 0;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}