:root {
  --paper: #fefcf9;
  --paper-warm: #fefcf7;
  --ink: #131b1c;
  --muted: #575c5c;
  --coral: #ff4f38;
  --coral-soft: #ffded1;
  --green: #45ba7d;
  --gold: #ffa333;
  --blue: #4f9ce8;
  --line: #ede8e0;
  --shell: 1320px;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 28px;
  overflow-anchor: none;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--paper);
}

body.menu-open {
  overflow: hidden;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
}

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

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

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

.shell {
  width: min(var(--shell), calc(100% - 120px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: #fff;
  background: var(--ink);
  border-radius: 8px;
  transform: translateY(-160%);
}

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

:focus-visible {
  outline: 3px solid rgba(79, 156, 232, 0.48);
  outline-offset: 4px;
}

.hero {
  position: relative;
  height: 1010px;
  overflow: hidden;
  background: var(--paper-warm);
}

.hero-shape {
  position: absolute;
  pointer-events: none;
  user-select: none;
}

.hero-shape-coral {
  top: -170px;
  left: calc(50% + 470px);
  width: 520px;
  height: 520px;
}

.hero-shape-honey {
  top: 820px;
  left: -120px;
  width: 430px;
  height: 280px;
}

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  height: 120px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #fff;
  background: var(--coral);
  border-radius: 10px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

.brand-name {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 68px;
  margin-left: 310px;
  white-space: nowrap;
}

.site-nav a,
.site-nav button {
  padding: 10px 0;
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
}

.site-nav a::after,
.site-nav button::after,
.site-footer nav a::after,
.site-footer nav button::after {
  display: block;
  width: 0;
  height: 2px;
  margin-top: 4px;
  background: var(--coral);
  content: "";
  transition: width 180ms ease;
}

.site-nav a:hover::after,
.site-nav button:hover::after,
.site-footer nav a:hover::after,
.site-footer nav button:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
}

.hero-inner {
  position: relative;
  height: 890px;
}

.hero-copy {
  position: absolute;
  z-index: 5;
  top: 105px;
  left: 2px;
  width: 500px;
}

.hero-copy h1 {
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-size: 54px;
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.05em;
}

.hero-copy h1 em {
  color: var(--coral);
  font-style: normal;
}

.hero-lead {
  margin-top: 47px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  gap: 20px;
  margin-top: 83px;
}

.install-note {
  color: #766b66;
  font-size: 12px;
  line-height: 1.65;
}

.install-note button {
  padding: 0;
  color: var(--coral);
  background: none;
  border: 0;
  cursor: pointer;
  font-size: inherit;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.install-note-hero {
  margin-top: 10px;
}

.cloud-choice-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 16px;
  color: #45665a;
  font-size: 14px;
  font-weight: 600;
}

.cloud-choice-note span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: #fff;
  background: var(--blue);
  border-radius: 9px;
  box-shadow: 0 6px 14px rgba(82, 151, 211, 0.2);
}

.download-button {
  display: inline-flex;
  height: 68px;
  align-items: center;
  justify-content: center;
  gap: 19px;
  border: 1px solid var(--coral);
  border-radius: 12px;
  font-size: 21px;
  font-weight: 500;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.download-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 79, 56, 0.18);
}

.download-button-primary {
  width: 210px;
  color: #fff;
  background: var(--coral);
}

.platform-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: currentColor;
}

.trust-points {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 32px;
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
  white-space: nowrap;
}

.trust-points li {
  display: flex;
  align-items: center;
  gap: 14px;
}

.trust-icon {
  font-size: 22px;
  font-weight: 700;
}

.trust-separator {
  margin-right: 10px;
  color: var(--gold);
  font-size: 18px;
  font-weight: 700;
}

.trust-green,
.green-text {
  color: var(--green);
}

.trust-gold,
.gold-text {
  color: var(--gold);
}

.trust-blue,
.blue-text {
  color: var(--blue);
}

.phone-stage {
  position: absolute;
  z-index: 4;
  top: 0;
  right: 0;
  width: 690px;
  height: 850px;
}

.phone {
  position: absolute;
  overflow: hidden;
  background: #121213;
  border: 2px solid #2e2e2e;
  border-radius: 44px;
  box-shadow: 0 22px 45px rgba(25, 25, 25, 0.14);
}

.phone-screen {
  position: absolute;
  inset: 5px;
  overflow: hidden;
  background: #fcfbf7;
  border-radius: 38px;
}

.phone-island {
  position: absolute;
  z-index: 2;
  top: 10px;
  left: 50%;
  width: 100px;
  height: 28px;
  border-radius: 14px;
  background: #080808;
  transform: translateX(-50%);
}

.phone-time {
  position: absolute;
  top: 14px;
  left: 19px;
  font-size: 12px;
  font-weight: 700;
}

.phone-dashboard {
  z-index: 3;
  top: 0;
  left: 0;
  width: 360px;
  height: 820px;
}

.phone-assistant {
  z-index: 1;
  top: 70px;
  left: 220px;
  width: 320px;
  height: 760px;
  transform: rotate(4deg);
  transform-origin: center;
}

.dashboard-greeting {
  position: absolute;
  top: 63px;
  left: 21px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.dashboard-greeting strong {
  font-size: 19px;
}

.dashboard-greeting span {
  color: var(--muted);
  font-size: 12px;
}

.balance-card {
  position: absolute;
  top: 136px;
  left: 17px;
  width: 312px;
  height: 278px;
  padding: 17px 14px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.balance-card h2,
.category-chart h2,
.recent-list h2 {
  font-size: 14px;
  line-height: 1.2;
}

.balance-numbers {
  display: flex;
  width: 110px;
  flex-direction: column;
  margin-top: 17px;
}

.balance-numbers span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
}

.balance-numbers span:first-child {
  margin-top: 0;
}

.balance-numbers strong {
  margin-top: 1px;
  font-size: 21px;
  line-height: 1.2;
}

.coral-text {
  color: var(--coral);
}

.donut {
  position: absolute;
  top: 58px;
  right: 31px;
  width: 82px;
  height: 82px;
}

.donut img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--donut-size, 100%);
  height: var(--donut-size, 100%);
  transform: translate(-50%, -50%);
}

.donut img:nth-child(2) {
  --donut-size: 75px;
}

.donut img:nth-child(3) {
  --donut-size: 68px;
}

.donut img:nth-child(4) {
  --donut-size: 61px;
}

.donut b {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 10px;
}

.category-chart {
  position: absolute;
  top: 438px;
  left: 31px;
  width: 260px;
  height: 130px;
}

.category-chart h2 {
  font-size: 12px;
}

.chart-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 10px;
}

.chart-legend li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-legend i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.bars {
  position: absolute;
  right: 5px;
  bottom: 0;
  display: flex;
  height: 105px;
  align-items: flex-end;
  gap: 11px;
}

.bars i {
  display: block;
  width: 11px;
  height: var(--bar);
  border-radius: 4px;
}

.coral-bg {
  background: #ff855e;
}

.gold-bg {
  background: var(--gold);
}

.blue-bg {
  background: var(--blue);
}

.green-bg {
  background: var(--green);
}

.red-bg {
  background: var(--coral);
}

.recent-list {
  position: absolute;
  top: 590px;
  left: 31px;
  width: 266px;
}

.recent-list h2 {
  font-size: 13px;
}

.recent-list ul {
  display: flex;
  flex-direction: column;
  margin-top: 17px;
  gap: 15px;
}

.recent-list li {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 14px;
  font-size: 11px;
}

.recent-list li i {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: #fff;
  border-radius: 7px;
  font-size: 10px;
  font-style: normal;
}

.recent-list li b {
  font-weight: 500;
}

.assistant-title {
  position: absolute;
  top: 66px;
  left: 15px;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 18px;
  font-weight: 700;
}

.assistant-title span {
  font-size: 23px;
}

.message {
  position: absolute;
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 11px;
  line-height: 2;
}

.message-user {
  top: 134px;
  left: 111px;
  width: 145px;
  height: 62px;
  background: var(--coral-soft);
}

.message-system {
  top: 223px;
  left: 21px;
  width: 210px;
  height: 92px;
  background: #f5f2eb;
}

.transaction-draft {
  position: absolute;
  top: 326px;
  left: 45px;
  display: flex;
  width: 192px;
  height: 90px;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff;
  font-size: 11px;
}

.transaction-draft strong {
  font-size: 15px;
}

.transaction-draft small {
  font-size: 11px;
}

.message-confirm {
  top: 446px;
  left: 138px;
  width: 105px;
  height: 56px;
  background: var(--coral-soft);
}

.message-success {
  top: 531px;
  left: 21px;
  width: 218px;
  height: 67px;
  background: #f5f2eb;
}

.assistant-input {
  position: absolute;
  top: 661px;
  left: 21px;
  display: flex;
  width: 264px;
  height: 48px;
  align-items: center;
  justify-content: space-between;
  padding-left: 16px;
  color: #8c8c8c;
  background: #f5f5f2;
  border-radius: 24px;
  font-size: 11px;
}

.send-button {
  position: relative;
  display: block;
  width: 34px;
  height: 34px;
  margin-right: 8px;
}

.send-button img {
  width: 34px;
  height: 34px;
}

.send-button b {
  position: absolute;
  inset: -1px 0 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 21px;
}

.features {
  height: 560px;
  padding-top: 62px;
  background: var(--paper);
}

.section-heading {
  display: flex;
  align-items: center;
  flex-direction: column;
}

.section-heading h2 {
  font-size: 38px;
  line-height: 1.25;
  letter-spacing: -0.04em;
}

.section-heading > span {
  width: 66px;
  height: 4px;
  margin-top: 10px;
  border-radius: 99px;
  background: var(--coral);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(5, 238px);
  justify-content: center;
  gap: 28px;
  margin-top: 63px;
}

.feature-card {
  height: 280px;
  padding: 37px 22px;
  text-align: center;
  background: #fff;
  border: 1px solid #f0ece5;
  border-radius: 18px;
  box-shadow: 0 10px 24px rgba(25, 27, 25, 0.07);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 34px rgba(25, 27, 25, 0.1);
}

.feature-icon {
  display: grid;
  width: 74px;
  height: 74px;
  place-items: center;
  margin: 0 auto;
  color: #fff;
  border-radius: 14px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
}

.feature-icon-green {
  background: var(--green);
}

.feature-icon-gold {
  background: var(--gold);
}

.feature-icon-blue {
  background: var(--blue);
}

.feature-icon-coral {
  background: #ff6d58;
}

.feature-card h3 {
  margin-top: 27px;
  font-size: 22px;
}

.feature-card p {
  margin-top: 15px;
  color: var(--muted);
  font-size: 14px;
  line-height: 2.05;
}

.ai-showcase {
  height: 560px;
  margin-top: 15px;
}

.ai-panel {
  position: relative;
  height: 560px;
  overflow: hidden;
  background: linear-gradient(105deg, #e3fff1 0%, #eafdf5 40%, #deefff 100%);
  border-radius: 24px;
}

.ai-panel::before,
.ai-panel::after {
  position: absolute;
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.ai-panel::before {
  right: -110px;
  bottom: -150px;
  width: 390px;
  height: 390px;
  background: rgba(255, 255, 255, 0.38);
}

.ai-panel::after {
  top: -115px;
  right: 300px;
  width: 230px;
  height: 230px;
  background: rgba(255, 255, 255, 0.2);
}

.ai-copy {
  position: absolute;
  z-index: 2;
  top: 82px;
  left: 105px;
}

.ai-copy h2 {
  font-size: 36px;
}

.ai-copy h2 span {
  color: var(--blue);
}

.ai-lead {
  margin-top: 4px;
  color: var(--muted);
  font-size: 18px;
}

.ai-benefits {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 50px;
}

.ai-benefits li {
  display: flex;
  align-items: center;
  gap: 23px;
}

.benefit-icon {
  position: relative;
  display: grid;
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 7px 18px rgba(29, 69, 55, 0.08);
  font-size: 22px;
  font-weight: 700;
}

.benefit-icon::before {
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 50%;
  width: 82px;
  height: 82px;
  background: url("./assets/figma/ai-mint-ellipse.svg") center / 82px 82px no-repeat;
  content: "";
  transform: translate(-50%, -50%);
}

.benefit-mic {
  color: var(--green);
}

.benefit-magic {
  color: var(--blue);
}

.benefit-check {
  color: var(--gold);
}

.ai-benefits strong {
  font-size: 18px;
}

.ai-benefits p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.ai-demo-phone {
  position: absolute;
  z-index: 2;
  top: 60px;
  left: 735px;
  width: 375px;
  height: 500px;
  overflow: hidden;
  padding: 45px 25px;
  background: #fcfbf7;
  border: 7px solid #151515;
  border-bottom: 0;
  border-radius: 38px 38px 0 0;
  box-shadow: 0 20px 38px rgba(22, 45, 57, 0.12);
}

.ai-demo-header {
  display: flex;
  align-items: center;
  gap: 35px;
  font-size: 18px;
}

.ai-demo-header span {
  font-size: 24px;
}

.ai-demo-user,
.ai-demo-system,
.ai-demo-draft,
.ai-demo-confirm {
  position: absolute;
  border-radius: 14px;
  font-size: 11px;
}

.ai-demo-user {
  top: 104px;
  left: 126px;
  width: 184px;
  height: 62px;
  padding: 13px 14px;
  background: var(--coral-soft);
}

.ai-demo-system {
  top: 190px;
  left: 31px;
  width: 245px;
  height: 63px;
  padding: 13px 14px;
  background: #f5f2eb;
}

.ai-demo-draft {
  top: 270px;
  left: 53px;
  display: flex;
  width: 226px;
  height: 100px;
  flex-direction: column;
  gap: 6px;
  padding: 13px 14px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.05);
}

.ai-demo-draft strong {
  font-size: 17px;
}

.ai-demo-draft small {
  font-size: 11px;
}

.ai-demo-confirm {
  top: 392px;
  left: 190px;
  width: 110px;
  height: 50px;
  padding: 13px 14px;
  background: var(--coral-soft);
}

.privacy {
  height: 410px;
  margin-top: 40px;
}

.privacy-panel {
  position: relative;
  display: grid;
  height: 410px;
  grid-template-columns: 480px 1fr;
  overflow: hidden;
  background: #fff;
  border: 1px solid #f0ece5;
  border-radius: 24px;
  box-shadow: 0 8px 24px rgba(25, 27, 25, 0.05);
}

.privacy-visual {
  position: relative;
  width: 410px;
  height: 280px;
  margin: 60px 0 0 70px;
}

.privacy-blob {
  position: absolute;
  inset: 0;
  background: #fff0d9;
  border-radius: 42% 58% 51% 49% / 47% 39% 61% 53%;
  transform: rotate(-4deg);
}

.privacy-visual img {
  position: absolute;
  top: 45px;
  left: 100px;
  width: 150px;
  height: 170px;
}

.privacy-visual > span {
  position: absolute;
  top: 95px;
  left: 145px;
  font-size: 45px;
}

.privacy-copy {
  padding: 60px 60px 0 85px;
}

.section-heading-left {
  align-items: flex-start;
}

.privacy-lead {
  margin-top: 24px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.privacy-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.privacy-cards article {
  display: flex;
  height: 96px;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 16px 14px;
  background: #fff;
  border: 1px solid #eee9e2;
  border-radius: 14px;
  box-shadow: 0 7px 18px rgba(25, 27, 25, 0.04);
}

.privacy-cards article > span {
  flex: 0 0 auto;
  font-size: 23px;
  font-weight: 700;
}

.privacy-cards article > div {
  min-width: 0;
}

.privacy-cards h3 {
  font-size: 15px;
  white-space: nowrap;
}

.privacy-cards p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10.5px;
  white-space: nowrap;
}

.download {
  height: auto;
  margin-top: 35px;
}

.download-panel {
  position: relative;
  display: grid;
  min-height: 410px;
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: center;
  gap: 72px;
  padding: 48px 110px;
  overflow: hidden;
  background: linear-gradient(110deg, #fff1d7 0%, #fff0dc 52%, #ffe1d7 100%);
  border-radius: 24px;
}

.download-shape {
  position: absolute;
  pointer-events: none;
}

.download-shape-left {
  bottom: -60px;
  left: -50px;
  width: 270px;
  height: 180px;
}

.download-shape-right {
  right: -60px;
  bottom: -55px;
  width: 170px;
  height: 170px;
}

.download-copy {
  position: relative;
  z-index: 2;
}

.download-copy p {
  margin-top: 24px;
  color: var(--muted);
  font-size: 18px;
}

.download-cards {
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: center;
}

.download-card {
  display: flex;
  width: 260px;
  min-height: 390px;
  align-items: center;
  flex-direction: column;
  padding: 22px 24px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 10px 24px rgba(42, 35, 29, 0.04);
}

.download-card h3 {
  display: flex;
  align-items: center;
  align-self: flex-start;
  gap: 18px;
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.android-dot {
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--green);
}

.download-qr-link {
  display: block;
  flex: 0 0 164px;
  width: 164px;
  height: 164px;
  margin-top: 14px;
  padding: 5px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: border-color 160ms ease, transform 160ms ease;
}

.download-qr-link:hover {
  border-color: var(--coral);
  transform: translateY(-2px);
}

.download-qr {
  display: block;
  width: 152px;
  height: 152px;
}

.download-action {
  display: grid;
  flex: 0 0 48px;
  width: 180px;
  min-height: 48px;
  place-items: center;
  margin-top: 14px;
  padding: 0 18px;
  color: #fff;
  background: var(--coral);
  border-radius: 10px;
  font-size: 16px;
  font-weight: 500;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.download-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 18px rgba(255, 79, 56, 0.18);
}

.download-meta {
  flex: 0 0 auto;
  margin-top: 9px;
  color: #858585;
  font-size: 11px;
}

.install-note-card {
  max-width: 210px;
  margin-top: 7px;
  text-align: center;
}

.install-note-card button {
  display: block;
  margin: 2px auto 0;
}

@media (max-width: 1100px) {
  .download-panel {
    display: flex;
    min-height: 0;
    align-items: center;
    flex-direction: column;
    gap: 40px;
    padding: 56px 40px;
  }

  .download-copy {
    position: static;
    width: 100%;
    text-align: center;
  }

  .download-copy .section-heading {
    align-items: center;
  }

  .download-cards {
    position: static;
    width: 100%;
  }
}

.site-footer {
  min-height: 240px;
  margin-top: 40px;
  background: var(--paper);
}

.footer-inner {
  display: grid;
  min-height: 240px;
  grid-template-columns: minmax(280px, 1fr) auto minmax(260px, 1fr);
  align-items: start;
  gap: 56px;
  padding-block: 55px;
}

.brand-small .brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  font-size: 17px;
}

.brand-small .brand-name {
  font-size: 22px;
}

.site-footer nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px 36px;
  max-width: 620px;
  white-space: nowrap;
}

.site-footer nav a,
.site-footer nav button {
  padding: 7px 0;
  color: var(--muted);
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 13px;
}

.footer-legal {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 34px;
  padding-top: 7px;
  text-align: right;
}

.copyright {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.footer-tagline {
  margin-top: 31px;
  color: #808080;
  font-size: 13px;
  white-space: nowrap;
}

.icp-record {
  color: #808080;
  font-size: 12px;
  white-space: nowrap;
}

.icp-record:hover {
  color: var(--coral);
}

.info-dialog {
  width: min(680px, calc(100% - 36px));
  max-height: calc(100vh - 40px);
  overflow: auto;
  overscroll-behavior: contain;
  padding: 32px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 24px 80px rgba(19, 27, 28, 0.22);
}

.info-dialog::backdrop {
  background: rgba(19, 27, 28, 0.44);
  backdrop-filter: blur(4px);
}

.info-dialog h2 {
  margin-bottom: 12px;
  font-size: 28px;
}

.info-dialog > p,
.info-dialog details p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.info-dialog .dialog-lead {
  margin-bottom: 20px;
}

.info-dialog details {
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.info-dialog summary {
  cursor: pointer;
  font-weight: 600;
}

.info-dialog details p {
  margin-top: 8px;
}

.info-dialog details a,
.contact-list a {
  color: var(--coral);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.install-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.install-steps strong {
  color: var(--ink);
}

.wechat-dialog-eyebrow {
  margin-bottom: 8px;
  color: var(--coral) !important;
  font-size: 13px !important;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.wechat-download-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.wechat-download-steps strong {
  color: var(--ink);
}

.wechat-download-url {
  margin-top: 22px;
  padding: 14px 16px;
  overflow-wrap: anywhere;
  background: #f7f3ec;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.wechat-download-url code {
  color: #37413f;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.65;
  user-select: all;
}

.wechat-dialog-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}

.wechat-dialog-actions button {
  min-height: 46px;
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
}

.wechat-copy-button {
  color: #fff;
  background: var(--coral);
  border: 1px solid var(--coral);
}

.wechat-secondary-button {
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
}

.info-dialog .wechat-dialog-note {
  margin-top: 14px;
  color: #7b675f;
  font-size: 12px;
  text-align: center;
}

.contact-list {
  display: grid;
  gap: 0;
  margin: 8px 0 20px;
  border-top: 1px solid var(--line);
}

.contact-list > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list dt {
  color: var(--muted);
  font-size: 14px;
}

.contact-list dd {
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.info-dialog .contact-note {
  padding: 14px 16px;
  background: #f7f3ec;
  border-radius: 12px;
  font-size: 13px;
}

.dialog-close {
  position: absolute;
  top: 18px;
  right: 20px;
  width: 34px;
  height: 34px;
  padding: 0;
  color: var(--muted);
  background: #f2eee7;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
}

.toast {
  position: fixed;
  z-index: 100;
  bottom: 28px;
  left: 50%;
  max-width: calc(100% - 32px);
  padding: 13px 20px;
  color: #fff;
  background: rgba(19, 27, 28, 0.94);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(19, 27, 28, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 18px);
  transition: opacity 180ms ease, transform 180ms ease;
  font-size: 14px;
  white-space: nowrap;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 1250px) {
  .shell {
    width: min(1120px, calc(100% - 64px));
  }

  .site-nav {
    margin-left: auto;
  }

  .hero-copy {
    transform: scale(0.9);
    transform-origin: left top;
  }

  .phone-stage {
    right: -100px;
    transform: scale(0.88);
    transform-origin: top right;
  }

  .feature-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
  }

  .feature-card {
    width: auto;
    padding-inline: 10px;
  }

  .ai-demo-phone {
    right: 95px;
    left: auto;
  }

  .privacy-panel {
    grid-template-columns: 390px 1fr;
  }

  .privacy-visual {
    transform: scale(0.82);
    transform-origin: left center;
  }

  .privacy-copy {
    padding-left: 30px;
  }

  .privacy-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .privacy-cards article {
    gap: 8px;
    padding-inline: 12px;
  }

  .privacy-cards article > span {
    font-size: 20px;
  }

  .privacy-cards p {
    font-size: 10px;
    letter-spacing: -0.04em;
  }

  .download-panel {
    gap: 44px;
    padding-inline: 72px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px 48px;
  }

  .site-footer nav {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-wrap: wrap;
    gap: 20px 44px;
  }

  .footer-legal {
    grid-column: 2;
    grid-row: 1;
  }
}

@media (max-width: 980px) {
  .shell {
    width: min(720px, calc(100% - 48px));
  }

  .hero {
    height: auto;
    min-height: 1330px;
  }

  .site-header {
    height: 96px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    font-size: 18px;
  }

  .brand-name {
    font-size: 24px;
  }

  .menu-toggle {
    display: grid;
    width: 44px;
    height: 44px;
    place-content: center;
    gap: 5px;
    margin-left: auto;
    padding: 0;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    cursor: pointer;
  }

  .menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    z-index: 30;
    top: 82px;
    right: 24px;
    left: 24px;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 16px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: 0 22px 55px rgba(19, 27, 28, 0.14);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a,
  .site-nav button {
    padding: 14px;
    text-align: left;
  }

  .site-nav a::after,
  .site-nav button::after {
    display: none;
  }

  .hero-inner {
    height: 1234px;
  }

  .hero-copy {
    position: relative;
    top: 62px;
    left: 0;
    width: 100%;
    text-align: center;
    transform: none;
  }

  .hero-copy h1 {
    font-size: 50px;
  }

  .hero-lead br {
    display: none;
  }

  .hero-lead {
    max-width: 620px;
    margin-inline: auto;
  }

  .hero-actions,
  .trust-points {
    justify-content: center;
  }

  .hero-actions {
    margin-top: 48px;
  }

  .trust-points {
    margin-top: 38px;
  }

  .phone-stage {
    top: 520px;
    right: 50%;
    transform: translateX(50%) scale(0.78);
    transform-origin: top center;
  }

  .hero-shape-coral {
    left: 66%;
    opacity: 0.65;
  }

  .features {
    height: auto;
    padding: 72px 0 80px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 52px;
    gap: 20px;
  }

  .ai-showcase,
  .privacy,
  .download {
    height: auto;
  }

  .ai-showcase {
    margin-top: 24px;
  }

  .ai-panel {
    height: 990px;
  }

  .ai-copy {
    top: 64px;
    left: 64px;
  }

  .ai-demo-phone {
    top: 490px;
    right: 50%;
    left: auto;
    transform: translateX(50%);
  }

  .privacy {
    margin-top: 32px;
  }

  .privacy-panel {
    display: block;
    height: auto;
    min-height: 720px;
  }

  .privacy-visual {
    margin: 48px auto 0;
    transform: none;
  }

  .privacy-copy {
    padding: 20px 48px 54px;
  }

  .privacy-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .download {
    margin-top: 32px;
  }

  .download-panel {
    display: flex;
    min-height: 650px;
    align-items: center;
    flex-direction: column;
    gap: 42px;
    padding: 64px 40px 56px;
  }

  .download-copy {
    position: static;
    width: 100%;
    text-align: center;
  }

  .download-copy .section-heading {
    align-items: center;
  }

  .download-cards {
    position: static;
  }

  .site-footer {
    min-height: 0;
    margin-top: 32px;
  }

  .footer-inner {
    display: grid;
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 34px 48px;
    padding: 48px 0;
  }

  .site-footer nav {
    grid-column: 1 / -1;
    grid-row: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 20px 44px;
  }

  .footer-legal {
    gap: 20px;
  }
}

@media (max-width: 620px) {
  .shell {
    width: calc(100% - 32px);
  }

  .hero {
    min-height: 0;
  }

  .site-header {
    height: 82px;
  }

  .brand {
    gap: 10px;
  }

  .brand-name {
    font-size: 21px;
  }

  .hero-inner {
    display: flex;
    height: auto;
    flex-direction: column;
    padding-bottom: 64px;
  }

  .hero-copy {
    top: 40px;
  }

  .hero-copy h1 {
    gap: 10px;
    font-size: clamp(38px, 11vw, 48px);
  }

  .hero-lead {
    margin-top: 30px;
    font-size: 16px;
    line-height: 1.8;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
    margin-top: 34px;
  }

  .cloud-choice-note {
    justify-content: center;
    margin-top: 14px;
    font-size: 12px;
  }

  .install-note-hero {
    max-width: 320px;
    margin-inline: auto;
  }

  .download-button {
    width: 100%;
    height: 58px;
    font-size: 18px;
  }

  .trust-points {
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
    font-size: 12px;
    white-space: normal;
  }

  .trust-points li {
    gap: 6px;
  }

  .trust-separator {
    margin-right: 0;
  }

  .phone-stage {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    width: 386px;
    height: 476px;
    flex: 0 0 476px;
    margin: 72px auto 0;
    transform: none;
  }

  .phone-dashboard {
    transform: scale(0.56);
    transform-origin: top left;
  }

  .phone-assistant {
    top: 39px;
    left: 123px;
    transform: scale(0.56) rotate(4deg);
    transform-origin: top left;
  }

  .hero-shape-coral {
    top: -230px;
    left: 48%;
  }

  .section-heading h2 {
    font-size: 30px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    height: 245px;
  }

  .ai-panel {
    height: 890px;
  }

  .ai-copy {
    top: 48px;
    left: 28px;
    right: 28px;
  }

  .ai-copy h2 {
    font-size: 30px;
  }

  .ai-lead {
    font-size: 15px;
  }

  .ai-benefits {
    gap: 22px;
    margin-top: 38px;
  }

  .ai-benefits li {
    gap: 14px;
  }

  .ai-benefits strong {
    font-size: 16px;
  }

  .ai-benefits p {
    font-size: 12px;
  }

  .ai-demo-phone {
    top: 450px;
    transform: translateX(50%) scale(0.83);
    transform-origin: top center;
  }

  .privacy-panel {
    min-height: 860px;
  }

  .privacy-visual {
    left: 50%;
    width: 410px;
    margin-left: 0;
    transform: translateX(-50%) scale(0.78);
    transform-origin: top center;
  }

  .privacy-copy {
    margin-top: -28px;
    padding: 0 24px 40px;
  }

  .privacy-lead {
    font-size: 15px;
  }

  .privacy-cards {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 30px;
  }

  .download-panel {
    min-height: 0;
    gap: 34px;
    padding: 48px 18px;
  }

  .download-copy {
    padding: 0 18px;
  }

  .download-copy p {
    font-size: 15px;
  }

  .download-cards {
    width: 100%;
  }

  .download-card {
    width: min(280px, 100%);
    margin-inline: auto;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-inner .brand,
  .site-footer nav {
    justify-self: center;
  }

  .site-footer nav {
    grid-column: auto;
    grid-row: auto;
    justify-content: center;
  }

  .footer-identity {
    justify-self: center;
  }

  .footer-tagline {
    white-space: normal;
  }

  .footer-legal {
    grid-column: auto;
    grid-row: auto;
    align-items: center;
    text-align: center;
  }

  .info-dialog {
    padding: 28px 22px 24px;
  }

  .wechat-dialog-actions {
    grid-template-columns: 1fr;
  }

  .contact-list > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .toast {
    width: calc(100% - 32px);
    text-align: center;
    white-space: normal;
  }
}

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

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