:root {
  --bg: #071426;
  --panel: #0b1b31;
  --panel-2: #0d2340;
  --line: rgba(104, 150, 214, .16);
  --line-strong: rgba(104, 150, 214, .28);
  --text: #f3f7ff;
  --muted: #8fa1bb;
  --blue: #247cff;
  --cyan: #29d1ff;
  --gold: #f0bb54;
}

* {
  box-sizing: border-box;
}

html {
  background: #09172a;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 50% 12%, rgba(42, 112, 202, .16), transparent 36%),
    linear-gradient(180deg, #081425, #050b17);
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 70%);
}

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

.poster {
  position: relative;
  width: min(100%, 430px);
  margin: 0 auto;
  padding: 18px 14px 16px;
  overflow: hidden;
  isolation: isolate;
  background: #09172a;
}

.poster::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    radial-gradient(circle at 74% 23%, rgba(31, 131, 255, 0.36), transparent 20rem),
    radial-gradient(circle at 46% 70%, rgba(0, 82, 220, 0.18), transparent 34rem);
}

.topbar {
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 6px;
}

.hero {
  min-height: 338px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: start;
  gap: 18px;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  color: #f3f7ff;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(145deg, #fff, #8ebcff);
  box-shadow: none;
  color: #071327;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0;
  transform: skewY(-8deg);
}

.brand strong,
.brand span {
  display: block;
}

.brand strong {
  font-size: 12px;
  line-height: normal;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand span {
  margin-top: 2px;
  font-size: 8px;
  line-height: normal;
  color: #8194af;
  letter-spacing: normal;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(46px, 6vw, 70px);
  line-height: 1.12;
  letter-spacing: 0;
  font-weight: 900;
  text-shadow: 0 0 28px rgba(108, 189, 255, 0.22);
}

.lead {
  margin-top: 18px;
  font-size: clamp(25px, 3.2vw, 34px);
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.92);
}

.feature-strip {
  display: flex;
  flex-wrap: nowrap;
  gap: 14px 28px;
  margin-top: 38px;
  color: #dbe8ff;
  font-size: 15px;
  white-space: nowrap;
}

.feature-strip span {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.feature-strip svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  fill: none;
  stroke: #cfe7ff;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 5px rgba(91, 189, 255, 0.65));
}

.hero__visual {
  position: relative;
  min-height: 330px;
}

.globe {
  width: min(430px, 100%);
  margin: 4px -12px 0 auto;
  filter: drop-shadow(0 0 30px rgba(45, 139, 255, 0.72));
}

.coin-stack {
  position: absolute;
  right: -4px;
  bottom: 22px;
  width: 164px;
  filter: drop-shadow(0 0 22px rgba(53, 170, 255, 0.65));
}

.panel {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(16, 39, 70, .96), rgba(9, 26, 48, .96));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .03);
}

.source-panel {
  padding: 22px 22px 28px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
}

.section-title span {
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.9), transparent);
}

h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.2;
  font-weight: 850;
}

.section-desc {
  margin-top: 14px;
  color: var(--muted);
  text-align: center;
  font-size: 17px;
  line-height: 1.65;
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 22px;
  padding: 16px;
  border: 1px solid rgba(65, 139, 255, 0.2);
  border-radius: 8px;
  background: rgba(2, 14, 42, 0.5);
}

.source-grid article {
  min-height: 82px;
  display: grid;
  grid-template-columns: 58px 1fr;
  align-items: center;
  column-gap: 12px;
}

.source-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 28%, rgba(83, 196, 255, 0.95), rgba(31, 98, 229, 0.74) 42%, rgba(12, 47, 137, 0.84) 70%),
    #123b91;
  box-shadow:
    inset 0 0 12px rgba(183, 233, 255, 0.24),
    0 0 18px rgba(41, 144, 255, 0.36);
}

.source-icon svg {
  width: 30px;
  height: 30px;
  overflow: visible;
  fill: none;
  stroke: #bfefff;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 5px rgba(92, 218, 255, 0.65));
}

.source-icon svg path:first-child:not(:only-child),
.source-icon svg circle {
  fill: rgba(93, 178, 255, 0.18);
}

.source-grid strong,
.source-grid b {
  display: block;
  line-height: 1.35;
  white-space: nowrap;
}

.source-grid strong {
  font-size: 16px;
  font-weight: 600;
}

.source-grid b {
  margin-top: 6px;
  font-size: 21px;
  font-weight: 700;
}

.split-panel {
  margin-top: 32px;
  padding: 24px 26px 26px;
}

.split-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  align-items: center;
  margin-top: 26px;
}

.chart-wrap {
  min-width: 0;
}

.chart-wrap img,
.donut-chart {
  width: 360px;
  max-width: 100%;
  filter: drop-shadow(0 0 22px rgba(34, 122, 255, 0.32));
}

.donut-chart {
  display: block;
  overflow: visible;
}

.seg {
  fill: none;
  stroke-width: 56;
  transform: rotate(-90deg);
  transform-origin: 130px 130px;
  stroke-linecap: butt;
}

.seg-blue {
  stroke: url(#segBlue);
  stroke-dasharray: 55 45;
  stroke-dashoffset: -45;
}

.seg-teal {
  stroke: url(#segTeal);
  stroke-dasharray: 14 86;
  stroke-dashoffset: 0;
}

.seg-purple {
  stroke: url(#segPurple);
  stroke-dasharray: 14 86;
  stroke-dashoffset: -14;
}

.seg-gold {
  stroke: url(#segGold);
  stroke-dasharray: 17 83;
  stroke-dashoffset: -28;
}

.donut-hole {
  fill: url(#holeFill);
  stroke: rgba(89, 177, 255, 0.28);
  stroke-width: 1.5;
}

.donut-center,
.donut-label {
  fill: #fff;
  font-weight: 800;
  paint-order: stroke;
  stroke: rgba(2, 10, 31, 0.68);
  stroke-width: 3px;
  stroke-linejoin: round;
}

.donut-center.small {
  font-size: 18px;
}

.donut-center.big {
  font-size: 31px;
}

.donut-label {
  font-size: 28px;
}

.donut-label.blue-label {
  font-size: 20px;
}

.split-list {
  display: grid;
  gap: 12px;
}

.split-list article {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  align-items: center;
  min-height: 88px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.split-list article div {
  padding: 14px 20px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 8px;
}

.split-list b,
.split-list strong {
  display: block;
}

.split-list b {
  font-size: 29px;
}

.split-list strong {
  margin-top: 8px;
  font-size: 19px;
}

.split-list p {
  color: #c4d1ea;
  line-height: 1.65;
  font-size: 17px;
}

.teal div { background: linear-gradient(135deg, rgba(25, 169, 178, 0.42), rgba(5, 38, 75, 0.55)); }
.purple div { background: linear-gradient(135deg, rgba(126, 55, 225, 0.48), rgba(18, 23, 77, 0.64)); }
.gold div { background: linear-gradient(135deg, rgba(217, 156, 46, 0.56), rgba(47, 32, 24, 0.62)); }
.blue div { background: linear-gradient(135deg, rgba(38, 126, 244, 0.48), rgba(5, 28, 83, 0.72)); }

.bottom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 28px;
}

.v7-panel,
.guarantee-panel {
  padding: 18px 24px 22px;
  min-height: 318px;
}

.v7-panel h2,
.guarantee-panel h2 {
  text-align: center;
  font-size: clamp(24px, 2.8vw, 30px);
}

.v7-content {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  align-items: center;
  margin-top: 22px;
}

.badge {
  width: 190px;
  filter: drop-shadow(0 0 24px rgba(246, 192, 82, 0.48));
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.v7-panel li {
  position: relative;
  min-height: 44px;
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: center;
  column-gap: 10px;
  padding: 8px 0;
  color: #e8f0ff;
  line-height: 1.45;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.guarantee-panel li::before {
  display: none;
  position: absolute;
  left: 0;
  top: 50%;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  content: "";
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(101, 221, 255, 0.95), rgba(26, 88, 204, 0.8));
  box-shadow: 0 0 16px rgba(68, 167, 255, 0.55);
}

.benefit-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 28%, rgba(95, 214, 255, 0.95), rgba(40, 111, 225, 0.78) 46%, rgba(13, 54, 150, 0.9) 72%),
    #123a91;
  box-shadow:
    inset 0 0 10px rgba(210, 244, 255, 0.22),
    0 0 14px rgba(55, 158, 255, 0.45);
}

.benefit-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: #c5f0ff;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 4px rgba(92, 218, 255, 0.7));
}

.benefit-icon svg path:first-child:not(:only-child) {
  fill: rgba(90, 183, 255, 0.16);
}

.guarantee-panel ul {
  margin-top: 22px;
}

.guarantee-panel li {
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  column-gap: 12px;
  padding: 8px 0;
  min-height: 58px;
}

.guarantee-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  align-self: center;
  justify-self: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 28%, rgba(94, 213, 255, 0.95), rgba(39, 109, 223, 0.78) 46%, rgba(13, 54, 150, 0.9) 72%),
    #123a91;
  box-shadow:
    inset 0 0 10px rgba(210, 244, 255, 0.22),
    0 0 14px rgba(55, 158, 255, 0.45);
}

.guarantee-icon svg {
  width: 20px;
  height: 20px;
  display: block;
  overflow: visible;
  transform: translateY(4.5px);
  fill: none;
  stroke: #c5f0ff;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 4px rgba(92, 218, 255, 0.7));
}

.guarantee-icon svg path:first-child:not(:only-child) {
  fill: rgba(90, 183, 255, 0.16);
}

.guarantee-icon-calendar svg {
  transform: translate(0.5px, 5.5px);
}

.guarantee-panel strong,
.guarantee-panel span {
  display: block;
}

.guarantee-panel strong {
  font-size: 18px;
  line-height: 1.35;
}

.guarantee-panel span {
  margin-top: 4px;
  color: #c8d4ed;
  line-height: 1.45;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 36px;
  color: #d4e1fb;
  font-size: 20px;
}

footer p span {
  display: inline-block;
  width: 1px;
  height: 22px;
  margin: 0 16px;
  vertical-align: -5px;
  background: rgba(255,255,255,0.72);
}

footer small {
  color: rgba(212, 225, 251, 0.68);
  font-size: 15px;
}

.read-confirm {
  width: 100%;
  height: 52px;
  margin-top: 24px;
  border: 0;
  border-radius: 28px;
  background: linear-gradient(180deg, #2f73f5 0%, #1f55c8 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    0 10px 24px rgba(0, 16, 49, 0.34);
  color: #fff;
  font: inherit;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}

@media (max-width: 0px) {
  .poster {
    padding: 24px 16px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero__visual {
    order: -1;
    min-height: 250px;
  }

  .brand {
    margin-bottom: 18px;
  }

  .globe {
    width: min(330px, 78vw);
    margin: 0 auto;
  }

  .coin-stack {
    right: 14%;
    width: 132px;
  }

  .feature-strip {
    margin-top: 24px;
  }

  .source-grid,
  .bottom-grid,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .source-grid article {
    grid-template-columns: 52px 1fr;
  }

  .split-list article {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-bottom: 14px;
  }

  .v7-content {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    font-size: 16px;
  }
}

@media (max-width: 0px) {
  h1 {
    font-size: 38px;
  }

  .lead {
    font-size: 22px;
  }

  .section-title {
    gap: 12px;
  }

  .section-title span {
    width: 44px;
  }

  .source-panel,
  .split-panel,
  .v7-panel,
  .guarantee-panel {
    padding-left: 14px;
    padding-right: 14px;
  }

  .source-grid {
    padding: 12px;
  }
}

/* Match the 430px centered mobile-app shell used by the reference page. */
@media (min-width: 0px) {
  .poster {
    width: 430px;
    max-width: 100%;
    min-height: 0;
    padding: 18px 14px 16px;
  }

  .hero {
    min-height: 112px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    align-items: start;
  }

  h1 {
    max-width: 260px;
    font-size: 31px;
    line-height: 1.08;
    white-space: nowrap;
  }

  .lead {
    margin-top: 10px;
    font-size: 17px;
  }

  .feature-strip {
    gap: 0 8px;
    margin-top: 12px;
    font-size: 8.5px;
  }

  .feature-strip span {
    gap: 3px;
  }

  .feature-strip svg {
    width: 9px;
    height: 9px;
    stroke-width: 1.9;
  }

  .hero__visual {
    min-height: 170px;
    margin-top: 0;
  }

  .globe {
    width: 178px;
    margin: 4px -8px 0 auto;
  }

  .coin-stack {
    right: -8px;
    bottom: 30px;
    width: 72px;
  }

  .source-panel {
    margin-top: 0;
    padding: 10px 10px 12px;
  }

  h2 {
    font-size: 18px;
  }

  .section-title {
    gap: 9px;
  }

  .section-title span {
    width: 34px;
  }

  .section-desc {
    margin-top: 8px;
    font-size: 10px;
    line-height: 1.45;
  }

  .source-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    margin-top: 10px;
    padding: 8px;
  }

  .source-grid article {
    min-height: 38px;
    grid-template-columns: 24px 1fr;
    column-gap: 4px;
  }

  .source-icon {
    width: 24px;
    height: 24px;
  }

  .source-icon svg {
    width: 15px;
    height: 15px;
    stroke-width: 2.8;
  }

  .source-grid strong {
    font-size: 8px;
  }

  .source-grid b {
    margin-top: 2px;
    font-size: 9px;
  }

  .split-panel {
    margin-top: 14px;
    padding: 10px 10px 12px;
  }

  .split-layout {
    grid-template-columns: 158px 1fr;
    gap: 9px;
    margin-top: 12px;
  }

  .chart-wrap img,
  .donut-chart {
    width: 170px;
    margin: 0 auto;
  }

  .donut-center.small {
    font-size: 14px;
  }

  .donut-center.big {
    font-size: 25px;
  }

  .donut-label {
    font-size: 20px;
  }

  .donut-label.blue-label {
    font-size: 13px;
  }

  .split-list article {
    grid-template-columns: 78px 1fr;
    min-height: 0;
    gap: 8px;
    padding-bottom: 5px;
  }

  .split-list article div {
    padding: 6px 8px;
  }

  .split-list b {
    font-size: 12px;
    line-height: 1.15;
  }

  .split-list strong {
    margin-top: 3px;
    font-size: 9px;
    line-height: 1.25;
  }

  .split-list p {
    font-size: 9px;
    line-height: 1.5;
  }

  .bottom-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 12px;
    align-items: stretch;
  }

  .v7-panel,
  .guarantee-panel {
    min-height: 198px;
    padding: 10px 10px 12px;
  }

  .v7-panel h2,
  .guarantee-panel h2 {
    min-height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    line-height: 1.15;
  }

  .v7-content {
    grid-template-columns: 66px 1fr;
    gap: 7px;
    align-items: center;
    margin-top: 10px;
  }

  .badge {
    width: 66px;
  }

  .v7-panel li,
  .guarantee-panel li {
    font-size: 9px;
  }

  .v7-panel li {
    min-height: 36.5px;
    grid-template-columns: 16px 1fr;
    column-gap: 7px;
    padding: 5px 0;
    line-height: 1.35;
  }

  .guarantee-panel li::before {
    width: 15px;
    height: 15px;
  }

  .benefit-icon {
    width: 16px;
    height: 16px;
  }

  .benefit-icon svg {
    width: 10px;
    height: 10px;
    stroke-width: 3;
  }

  .guarantee-panel ul {
    margin-top: 10px;
  }

  .guarantee-panel li {
    min-height: 32px;
    grid-template-columns: 17px 1fr;
    column-gap: 7px;
    padding: 5px 0;
  }

  .guarantee-icon {
    width: 17px;
    height: 17px;
  }

  .guarantee-icon svg {
    width: 10.5px;
    height: 10.5px;
    stroke-width: 3;
    transform: translateY(2.25px);
  }

  .guarantee-icon-calendar svg {
    transform: translate(0.25px, 2.75px);
  }

  .guarantee-panel strong {
    font-size: 10px;
  }

  .guarantee-panel span {
    margin-top: 1px;
    font-size: 9px;
    line-height: 1.35;
  }

  footer {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    font-size: 10px;
  }

  footer small {
    font-size: 8px;
  }

  footer p span {
    height: 12px;
    margin: 0 6px;
    vertical-align: -2px;
  }

  .read-confirm {
    height: 44px;
    margin-top: 12px;
    border-radius: 15px;
    font-size: 16px;
  }
}