:root {
  color-scheme: light;
  --blue: #4285f4;
  --ink: #202939;
  --muted: #687383;
  --line: #e9edf2;
  --green: #34a853;
  --yellow: #fbbc05;
  --red: #ea4335;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
img {
  display: block;
  max-width: 100%;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
/* 邀请落地页横幅：只有带 ?invite= 打开时才有内容（JS 去掉 hidden） */
.invite-banner {
  background: linear-gradient(90deg, #e8f0fe, #e6f4ea);
  border-bottom: 1px solid var(--line);
}
.invite-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  padding-bottom: 18px;
}
.invite-banner-text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 22px;
  color: var(--ink);
}
.invite-banner-text strong {
  font-size: 18px;
  letter-spacing: 2px;
  color: #1967d2;
}
.invite-banner-action {
  flex: none;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .invite-banner-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #246ae0;
  outline-offset: 5px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
button:disabled {
  cursor: not-allowed;
}
.container {
  width: min(1160px, calc(100% - 80px));
  margin: auto;
}
.blue-text {
  color: var(--blue);
}
.green-text {
  color: var(--green);
}
.orange-text {
  color: #c58d08;
}
.blue {
  background: #eaf2ff;
}
.green {
  background: #eaf6ed;
}
.yellow {
  background: #fff7de;
}
.red {
  background: #fcece9;
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}
.skip-link {
  position: fixed;
  top: -80px;
  left: 20px;
  background: #fff;
  padding: 14px;
  z-index: 20;
}
.skip-link:focus {
  top: 10px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid #edf0f5;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
}
.header-inner {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand > span {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
}
.brand small {
  display: block;
  font-size: 10px;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 2px;
  margin-top: 3px;
}
nav {
  display: flex;
  gap: 38px;
  font-size: 14px;
  color: #596370;
}
nav a:hover,
.text-link:hover {
  color: #246ae0;
}
.header-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
  background: #edf4ff;
  color: #286bd6;
  padding: 12px 20px;
  border-radius: 9px;
  font-weight: 600;
}
.arrow-icon {
  display: block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.hero {
  background: radial-gradient(
      ellipse at 76% 45%,
      #eaf2ff 0,
      rgba(244, 248, 255, 0.7) 32%,
      transparent 65%
    ),
    #fafcff;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  min-height: 755px;
  gap: 30px;
  padding-top: 38px;
  padding-bottom: 40px;
}
.hero-copy {
  padding-bottom: 15px;
}
.eyebrow {
  font-size: 12px;
  color: #526273;
  letter-spacing: 1px;
  display: inline-flex;
  gap: 9px;
  align-items: center;
  background: #fff;
  border: 1px solid #e6edf6;
  border-radius: 30px;
  padding: 9px 14px;
}
h1 {
  font-size: clamp(38px, 4.3vw, 56px);
  line-height: 1.5;
  letter-spacing: -1.8px;
  font-weight: 750;
  margin: 26px 0 24px;
}
.hero-copy .blue-text {
  position: relative;
  white-space: nowrap;
}
.underline {
  position: absolute;
  bottom: -9px;
  left: 0;
  width: 99%;
  height: 12px;
  border-top: 4px solid #a9cbff;
  border-radius: 50%;
  transform: rotate(-2deg);
}
.hero-description {
  font-size: 16px;
  line-height: 2.1;
  color: var(--muted);
}
.hero-actions {
  display: flex;
  gap: 26px;
  align-items: center;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 17px 23px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  transition:
    background 0.2s,
    transform 0.2s;
}
.primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 22px #4285f424;
}
.primary:hover {
  background: #286fdf;
  transform: translateY(-2px);
}
.button svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.text-link {
  font-size: 13px;
  display: flex;
  gap: 15px;
  align-items: center;
}
.development-note {
  display: flex;
  gap: 7px;
  align-items: center;
  font-size: 11px;
  color: #7a8492;
  margin-top: 17px;
}
.development-note .status-dot {
  width: 5px;
  height: 5px;
  background: #aab4c1;
}
.hero-values {
  display: flex;
  gap: 28px;
  margin-top: 48px;
  color: #647080;
  font-size: 12px;
}
.hero-values > span {
  display: flex;
  gap: 8px;
  align-items: center;
}
.value-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.value-dot.blue {
  background: var(--blue);
}
.value-dot.green {
  background: var(--green);
}
.value-dot.yellow {
  background: var(--yellow);
}
.hero-visual {
  height: 674px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.orbit {
  position: absolute;
  left: 50%;
  top: 49%;
  border: 1px solid #dce8fa;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.orbit-one {
  width: 490px;
  height: 490px;
}
.orbit-two {
  width: 620px;
  height: 620px;
  border-style: dashed;
  opacity: 0.75;
}
.decor-dot {
  position: absolute;
  border-radius: 50%;
}
.dot-one {
  width: 14px;
  height: 14px;
  background: #fbd16c;
  right: 1%;
  top: 26%;
}
.dot-two {
  width: 10px;
  height: 10px;
  background: #7dc49a;
  left: 8%;
  bottom: 20%;
}
.decor-star {
  color: #8ab4f8;
  font-size: 39px;
  position: absolute;
  left: 7%;
  top: 14%;
}
.phone {
  width: 298px;
  height: 600px;
  border: 6px solid #fff;
  border-radius: 44px;
  background: #fafbff;
  position: relative;
  box-shadow:
    0 28px 60px #3c609c20,
    0 0 0 1px #d9e1ef;
  overflow: hidden;
  transform: rotate(4deg);
  flex-shrink: 0;
}
.phone-camera {
  height: 20px;
  width: 80px;
  background: #20252e;
  border-radius: 20px;
  position: absolute;
  left: 50%;
  top: 8px;
  transform: translateX(-50%);
}
.phone-status {
  height: 42px;
  padding: 14px 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-size: 10px;
  color: #28313e;
}
.phone-status > span {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 8px;
}
.battery {
  display: block;
  width: 15px;
  height: 8px;
  border: 1px solid #28313e;
  border-radius: 2px;
  position: relative;
}
.battery:before {
  content: "";
  position: absolute;
  inset: 1px;
  background: #28313e;
}
.phone-content {
  padding: 16px 16px 0;
}
.brand-stripes {
  display: flex;
  gap: 3px;
  width: 49px;
}
.brand-stripes i {
  height: 3px;
  flex: 1;
  border-radius: 2px;
  background: var(--blue);
}
.brand-stripes i:nth-child(2) {
  background: var(--red);
}
.brand-stripes i:nth-child(3) {
  background: var(--yellow);
}
.brand-stripes i:nth-child(4) {
  background: var(--green);
}
.phone-eyebrow {
  font-size: 8px;
  color: #6f7b89;
  margin-top: 10px;
  letter-spacing: 0.5px;
}
.phone-content h2 {
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.3px;
  margin-top: 7px;
}
.phone-subtitle {
  font-size: 9px;
  color: #7a8593;
  margin-top: 5px;
}
.phone-banner {
  height: 141px;
  margin-top: 17px;
  position: relative;
  border-radius: 13px;
  overflow: hidden;
  background: #dce9f0;
}
.phone-banner > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.phone-banner > div {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 23px;
  background: #142b40c7;
  border-radius: 7px;
  padding: 10px;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.phone-banner small {
  font-size: 7px;
  color: #c5dcff;
}
.phone-banner strong {
  font-size: 13px;
}
.phone-banner div > span {
  font-size: 7px;
}
.banner-dots {
  position: absolute;
  bottom: 8px;
  left: 0;
  width: 100%;
  text-align: center;
  font-size: 5px;
  letter-spacing: 3px;
  color: white;
}
.phone-shortcuts {
  display: flex;
  justify-content: space-between;
  margin: 19px 0;
}
.phone-shortcuts > div {
  font-size: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.phone-shortcuts > div > span {
  display: grid;
  place-items: center;
  width: 39px;
  height: 39px;
  border-radius: 13px;
}
.phone-shortcuts img {
  width: 22px;
  height: 22px;
}
.phone-section-title {
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.phone-section-title > span {
  font-size: 8px;
  font-weight: 400;
  color: #6a81a3;
}
.phone-articles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin-top: 10px;
}
.phone-articles > div {
  display: flex;
  flex-direction: column;
  padding: 11px 9px;
  border-radius: 9px;
  gap: 6px;
}
.phone-articles b {
  font-size: 9px;
}
.phone-articles small {
  font-size: 7px;
  color: #6d7a89;
}
.phone-articles span {
  font-size: 7px;
  color: #596d87;
  margin-top: 4px;
}
.phone-nav {
  position: absolute;
  bottom: 12px;
  left: 0;
  right: 0;
  background: #fff;
  display: flex;
  justify-content: space-around;
  border-top: 1px solid #eef0f4;
  padding: 8px 0 5px;
  color: #93a0b0;
}
.phone-nav > span {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-align: center;
  font-size: 18px;
  line-height: 20px;
}
.phone-nav img {
  width: 19px;
  height: 19px;
}
.phone-nav small {
  display: block;
  font-size: 7px;
  line-height: 12px;
}
.phone-nav .active {
  color: var(--blue);
}
.phone-home {
  width: 85px;
  height: 3px;
  border-radius: 5px;
  background: #202939;
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
}
.floating-label {
  position: absolute;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid #f0f3f7;
  box-shadow: 0 12px 36px #3a5d9010;
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 14px 17px;
  z-index: 2;
}
.floating-label > span:last-child {
  font-size: 12px;
  font-weight: 600;
}
.floating-label small {
  display: block;
  font-size: 9px;
  color: #8792a0;
  font-weight: 400;
  margin-top: 5px;
}
.floating-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
}
.floating-icon img {
  width: 23px;
}
.label-top {
  left: -17px;
  top: 110px;
}
.label-bottom {
  right: -18px;
  bottom: 85px;
}
.visual-caption {
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 10px;
  color: #929eac;
  letter-spacing: 1px;
}
.intro-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.intro-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-top: 31px;
  padding-bottom: 31px;
}
.intro-inner > p {
  font-size: 12px;
  line-height: 1.9;
  color: #7d8795;
}
.intro-inner > p strong {
  color: #465160;
  font-weight: 500;
}
.intro-inner > div {
  display: flex;
  gap: 17px;
  align-items: center;
}
.intro-inner > div > span {
  font-size: 29px;
  font-weight: 300;
  letter-spacing: -1px;
}
.intro-inner > div > p {
  font-size: 14px;
  font-weight: 600;
}
.intro-inner small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: #88919e;
  margin-top: 6px;
}
.section {
  padding-top: 94px;
  padding-bottom: 94px;
}
.section-heading {
  text-align: center;
  margin-bottom: 43px;
}
.section-kicker {
  display: block;
  color: #3777d8;
  font-size: 12px;
  letter-spacing: 2px;
  font-weight: 500;
}
h2 {
  font-size: 31px;
  letter-spacing: -0.7px;
  line-height: 1.55;
}
.section-heading h2 {
  margin: 13px 0;
}
.section-heading p,
.faq-heading p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.feature-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 27px 23px 23px;
  position: relative;
  transition:
    transform 0.2s,
    border-color 0.2s;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: #c7d9f7;
}
.feature-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
}
.feature-icon img {
  width: 26px;
}
.feature-number {
  position: absolute;
  right: 23px;
  top: 27px;
  font-size: 12px;
  color: #b7c0cc;
  font-family: monospace;
}
.feature-card h3 {
  font-size: 16px;
  margin: 23px 0 13px;
}
.feature-card p {
  font-size: 12px;
  line-height: 2;
  color: var(--muted);
  min-height: 72px;
  margin-bottom: 22px;
}
.feature-tag {
  display: block;
  border-top: 1px solid #f0f2f6;
  padding-top: 18px;
  margin-top: auto;
  font-size: 10px;
  color: #8a94a2;
}
.preview-section {
  background: #f8fafc;
  padding: 76px 0;
}
.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}
.preview-art {
  position: relative;
  padding: 62px 34px 28px;
  border: 1px solid #e9eef4;
  background: #f0f5fc;
  border-radius: 24px;
  min-height: 398px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.preview-art > img {
  width: 100%;
  height: 258px;
  object-fit: contain;
}
.art-pill {
  position: absolute;
  top: 25px;
  left: 25px;
  font-size: 10px;
  border-radius: 20px;
  padding: 9px 12px;
  background: white;
  display: flex;
  align-items: center;
  gap: 7px;
  color: #69768a;
}
.art-pill .status-dot {
  width: 5px;
  height: 5px;
}
.art-caption {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  margin-top: 20px;
  font-size: 11px;
  color: #8290a2;
  letter-spacing: 1px;
}
.preview-copy h2 {
  margin-top: 12px;
}
.role-tabs {
  display: flex;
  margin: 25px 0;
  border-bottom: 1px solid #dfe5ed;
  gap: 8px;
}
.role-tabs button {
  flex: 1;
  min-width: 0;
  min-height: 48px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: #6b7787;
  cursor: pointer;
  font-size: 12px;
  padding: 12px 0;
}
.role-tabs button[aria-selected="true"] {
  border-bottom-color: var(--blue);
  color: #2c73e1;
  font-weight: 600;
}
#role-panel {
  min-height: 220px;
}
#role-panel h3 {
  font-size: 16px;
  margin-bottom: 12px;
}
#role-panel p {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
}
#role-points {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  font-size: 11px;
  color: #556274;
  line-height: 2.7;
}
#role-points li:before {
  content: "✓";
  color: var(--green);
  margin-right: 10px;
}
.preview-note {
  font-size: 10px;
  color: #8a95a3;
  margin-top: 20px;
  line-height: 1.8;
}
.download-section {
  padding-bottom: 80px;
}
.download-card {
  border: 1px solid #e2ebfa;
  border-radius: 24px;
  background: radial-gradient(ellipse at top left, #eaf3ff, transparent 65%),
    #f6f9ff;
  padding: 53px 65px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  position: relative;
  overflow: hidden;
}
.download-brand {
  margin-bottom: 24px;
  border-radius: 19px;
  box-shadow: 0 8px 20px #4285f41a;
}
.download-copy h2 {
  font-size: 32px;
  margin: 12px 0 17px;
}
.download-copy > p {
  font-size: 12px;
  line-height: 2;
  color: var(--muted);
}
.release-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  color: #54739d;
  border: 1px solid #dbe6f8;
  border-radius: 20px;
  padding: 8px 13px;
  margin-top: 21px;
}
.release-status .status-dot {
  background: var(--blue);
  width: 5px;
  height: 5px;
}
.download-options {
  align-self: center;
}
.platform-card {
  background: #fff;
  border: 1px solid #e7edf6;
  padding: 24px;
  border-radius: 14px;
  margin-bottom: 16px;
}
.platform-heading {
  display: flex;
  align-items: center;
  gap: 14px;
}
.platform-heading h3 {
  font-size: 14px;
  font-weight: 600;
}
.platform-heading p {
  font-size: 10px;
  color: #8893a2;
  margin-top: 5px;
}
.platform-icon {
  width: 33px;
  height: 33px;
  flex-shrink: 0;
}
.android-icon {
  fill: none;
  stroke: #34a853;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.android-icon circle {
  fill: #34a853;
  stroke: none;
}
.harmony-icon {
  font-size: 28px;
  font-weight: 550;
  color: #3478dc;
  width: 33px;
  line-height: 31px;
  text-align: center;
  position: relative;
  flex-shrink: 0;
}
.harmony-icon > span {
  height: 2px;
  background: #3478dc;
  position: absolute;
  width: 22px;
  bottom: -2px;
  left: 5px;
  border-radius: 2px;
}
.platform-badge {
  margin-left: auto;
  font-size: 9px;
  border-radius: 4px;
  color: #7e8ba0;
  background: #f2f5fa;
  padding: 4px 7px;
  white-space: nowrap;
}
.download-button {
  width: 100%;
  border: 1px solid #e5eaf2;
  background: #f2f5fa;
  color: #7a879a;
  border-radius: 7px;
  margin-top: 20px;
  padding: 12px 14px;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
}
.download-icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #e5eaf2;
}
.download-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}
.download-button.ready .download-icon {
  background: rgb(255 255 255 / 20%);
}
/* 已开放下载：同一个 .download-button，靠 .ready 从灰底禁用态切成主色可点态。
   元素也从 <button disabled> 换成了 <a>，所以补上 text-decoration 与 cursor。 */
.download-button.ready {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition:
    opacity 0.15s ease,
    transform 0.15s ease;
}
.download-button.ready:hover {
  opacity: 0.9;
}
.download-button.ready:active {
  transform: translateY(1px);
}
.platform-badge.ready {
  color: #1c7a3c;
  background: #e6f6ec;
}
/* .release-status 里的圆点默认是蓝色，已上线状态改成绿色 */
.release-status .status-dot.live {
  background: var(--green);
}
.download-footnote {
  text-align: center;
  color: #8994a5;
  font-size: 10px;
  line-height: 1.8;
}
.faq-section {
  display: grid;
  grid-template-columns: 1fr 1.75fr;
  gap: 85px;
  padding-bottom: 94px;
}
.faq-heading h2 {
  margin: 12px 0;
}
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list details:first-child {
  border-top: 1px solid var(--line);
}
.faq-list summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  padding: 23px 0;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary > span {
  font-size: 21px;
  font-weight: 300;
  color: #8190a5;
  line-height: 1;
  transition: transform 0.2s;
}
.faq-list details[open] summary > span {
  transform: rotate(45deg);
}
.faq-list details p {
  font-size: 12px;
  line-height: 2;
  color: var(--muted);
  padding: 0 30px 21px 0;
}
.site-footer {
  border-top: 1px solid var(--line);
}
.footer-inner {
  padding-top: 29px;
  padding-bottom: 29px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.footer-inner .brand > span {
  font-size: 15px;
}
.footer-inner p,
.footer-inner > span {
  font-size: 10px;
  color: #8b95a4;
}
.footer-inner i {
  font-style: normal;
  margin: 0 8px;
}
.mobile-download {
  display: none;
}
@media (min-width: 1440px) {
  .hero-grid {
    min-height: 800px;
  }
  .hero-visual {
    height: 710px;
  }
  .phone {
    transform: rotate(4deg) scale(1.05);
  }
  .label-top {
    top: 120px;
  }
  .label-bottom {
    bottom: 100px;
  }
}
@media (max-width: 1100px) {
  .container {
    width: calc(100% - 56px);
  }
  .hero-grid {
    gap: 8px;
  }
  .hero-visual {
    height: 650px;
  }
  .hero-copy h1 {
    font-size: 43px;
  }
  .hero-description {
    font-size: 14px;
  }
  .label-top {
    left: -10px;
    top: 105px;
  }
  .label-bottom {
    right: -8px;
    bottom: 65px;
  }
  .floating-label {
    padding: 11px 12px;
  }
  .floating-label > span:last-child {
    font-size: 10px;
  }
  .floating-label small {
    font-size: 8px;
  }
  .feature-grid {
    gap: 13px;
  }
  .feature-card {
    padding: 23px 18px;
  }
  .feature-card h3 {
    font-size: 14px;
  }
  .preview-grid {
    gap: 50px;
  }
  .download-card {
    gap: 40px;
    padding: 45px;
  }
  .faq-section {
    gap: 45px;
  }
}
@media (max-width: 800px) {
  .container {
    width: calc(100% - 40px);
  }
  .header-inner {
    height: 72px;
  }
  .brand > span {
    font-size: 18px;
  }
  .brand > img {
    width: 36px;
    height: 36px;
  }
  nav {
    gap: 18px;
    font-size: 12px;
  }
  .header-download {
    padding: 10px 14px;
    font-size: 12px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    padding-top: 48px;
    gap: 6px;
    text-align: center;
  }
  .hero-copy {
    padding: 0;
  }
  .hero-copy h1 {
    font-size: 46px;
    line-height: 1.4;
    margin: 23px 0;
  }
  .hero-actions,
  .development-note,
  .hero-values {
    justify-content: center;
  }
  .hero-values {
    margin-top: 27px;
  }
  .hero-visual {
    height: 658px;
    width: min(100%, 480px);
    margin: 10px auto 0;
  }
  .hero-description {
    font-size: 14px;
  }
  .label-top {
    left: 0;
  }
  .label-bottom {
    right: 0;
    bottom: 89px;
  }
  .intro-inner {
    flex-wrap: wrap;
    gap: 25px;
  }
  .intro-inner > p {
    width: 100%;
    text-align: center;
  }
  .intro-inner > div {
    flex: 1;
    justify-content: center;
    gap: 10px;
  }
  .intro-inner > div > span {
    font-size: 24px;
  }
  .intro-inner small {
    font-size: 10px;
    white-space: nowrap;
  }
  .section {
    padding-top: 66px;
    padding-bottom: 66px;
  }
  .feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .feature-card {
    padding: 25px;
  }
  .feature-card p {
    min-height: 48px;
  }
  .section-heading h2 {
    font-size: 27px;
  }
  .section-heading p {
    font-size: 12px;
  }
  .preview-grid {
    gap: 28px;
  }
  .preview-copy h2 {
    font-size: 25px;
  }
  .preview-art {
    padding: 64px 20px 24px;
    min-height: 360px;
  }
  .preview-art > img {
    height: 210px;
  }
  .role-tabs {
    gap: 4px;
  }
  .role-tabs button {
    font-size: 11px;
    white-space: nowrap;
  }
  .art-pill {
    left: 15px;
    font-size: 9px;
  }
  .art-caption {
    font-size: 9px;
  }
  .download-card {
    gap: 25px;
    padding: 35px;
  }
  .download-copy h2 {
    font-size: 27px;
  }
  .platform-card {
    padding: 20px 15px;
  }
  .platform-heading {
    gap: 10px;
  }
  .platform-heading h3 {
    font-size: 12px;
  }
  .platform-badge {
    font-size: 8px;
  }
  .faq-section {
    grid-template-columns: 1fr 1.7fr;
    gap: 35px;
    padding-bottom: 66px;
  }
  .faq-heading h2 {
    font-size: 27px;
  }
  .faq-heading p {
    font-size: 12px;
  }
  .footer-inner p {
    display: none;
  }
}
@media (max-width: 560px) {
  html {
    scroll-padding-top: 82px;
  }
  body {
    padding-bottom: calc(76px + env(safe-area-inset-bottom));
  }
  .container {
    width: calc(100% - 40px);
  }
  .header-inner {
    height: 68px;
    gap: 12px;
  }
  .brand {
    gap: 9px;
  }
  .brand > span {
    font-size: 17px;
  }
  .brand small {
    font-size: 8px;
    letter-spacing: 1.5px;
  }
  .header-download {
    font-size: 11px;
    padding: 10px 12px;
  }
  .header-download {
    gap: 8px;
  }
  nav {
    display: none;
  }
  .hero-grid {
    padding-top: 39px;
    padding-bottom: 28px;
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 0.5px;
    padding: 8px 11px;
    gap: 7px;
  }
  .hero-copy h1 {
    font-size: clamp(33px, 9.4vw, 46px);
    letter-spacing: -1px;
    line-height: 1.5;
    margin-top: 20px;
    margin-bottom: 20px;
  }
  .underline {
    height: 9px;
    border-top-width: 3px;
    bottom: -6px;
  }
  .hero-description {
    font-size: 12px;
    line-height: 2;
  }
  .hero-actions {
    gap: 21px;
    margin-top: 26px;
  }
  .button {
    font-size: 12px;
    padding: 15px 17px;
    gap: 7px;
  }
  .button svg {
    width: 17px;
    height: 17px;
  }
  .text-link {
    font-size: 12px;
    gap: 9px;
  }
  .development-note {
    font-size: 9px;
    margin-top: 13px;
  }
  .hero-values {
    font-size: 10px;
    gap: 24px;
    margin-top: 25px;
  }
  .hero-visual {
    height: 601px;
    margin-top: 12px;
  }
  .phone {
    transform: rotate(4deg) scale(0.88);
  }
  .orbit-one {
    width: 350px;
    height: 350px;
  }
  .orbit-two {
    width: 460px;
    height: 460px;
  }
  .label-top {
    left: -9px;
    top: 106px;
  }
  .label-bottom {
    right: -9px;
    bottom: 74px;
  }
  .floating-label {
    padding: 10px;
    border-radius: 11px;
    gap: 8px;
  }
  .floating-label > span:last-child {
    font-size: 9px;
  }
  .floating-label small {
    font-size: 7px;
  }
  .floating-icon {
    width: 30px;
    height: 30px;
  }
  .floating-icon img {
    width: 19px;
  }
  .decor-star {
    left: 1%;
    top: 9%;
    font-size: 29px;
  }
  .dot-one {
    top: 22%;
    right: 0;
    width: 10px;
    height: 10px;
  }
  .visual-caption {
    font-size: 8px;
    letter-spacing: 0.5px;
    bottom: 5px;
  }
  .intro-inner {
    padding-top: 25px;
    padding-bottom: 27px;
    gap: 21px;
  }
  .intro-inner > p {
    font-size: 11px;
  }
  .intro-inner > div {
    flex-direction: column;
    gap: 7px;
    text-align: center;
  }
  .intro-inner > div > span {
    font-size: 23px;
  }
  .intro-inner > div > p {
    font-size: 12px;
  }
  .intro-inner small {
    font-size: 9px;
  }
  .section {
    padding-top: 54px;
    padding-bottom: 54px;
  }
  .section-heading {
    margin-bottom: 27px;
  }
  .section-kicker {
    font-size: 10px;
    letter-spacing: 1.5px;
  }
  .section-heading h2 {
    font-size: 23px;
    margin: 10px 0;
  }
  .section-heading p {
    font-size: 11px;
    max-width: 270px;
    margin: auto;
    line-height: 1.9;
  }
  .feature-grid {
    gap: 12px;
  }
  .feature-card {
    border-radius: 13px;
    padding: 19px 15px 17px;
  }
  .feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }
  .feature-icon img {
    width: 23px;
  }
  .feature-number {
    right: 15px;
    top: 21px;
    font-size: 10px;
  }
  .feature-card h3 {
    font-size: 14px;
    margin: 17px 0 10px;
    line-height: 1.6;
  }
  .feature-card p {
    font-size: 12px;
    min-height: 80px;
    line-height: 2;
  }
  .feature-tag {
    font-size: 10px;
    padding-top: 13px;
    margin-top: 14px;
    white-space: normal;
    line-height: 1.8;
  }
  .preview-section {
    padding: 44px 0;
  }
  .preview-grid {
    grid-template-columns: 1fr;
    gap: 31px;
  }
  .preview-art {
    min-height: 315px;
    padding: 58px 34px 24px;
  }
  .preview-art > img {
    height: 210px;
  }
  .art-pill {
    left: 21px;
    top: 21px;
  }
  .art-caption {
    margin-top: 17px;
    font-size: 10px;
  }
  .preview-copy h2 {
    font-size: 27px;
  }
  .role-tabs {
    gap: 0;
    justify-content: space-between;
    margin: 19px 0 23px;
  }
  .role-tabs button {
    font-size: 12px;
    padding: 12px 4px;
  }
  #role-panel {
    min-height: 230px;
  }
  #role-panel h3 {
    font-size: 16px;
  }
  #role-panel p {
    font-size: 12px;
  }
  #role-points {
    font-size: 11px;
  }
  .preview-note {
    font-size: 9px;
    margin-top: 16px;
  }
  .download-card {
    grid-template-columns: 1fr;
    gap: 29px;
    padding: 30px 23px;
    border-radius: 20px;
  }
  .download-copy {
    text-align: center;
  }
  .download-brand {
    margin: 0 auto 20px;
    width: 56px;
    height: 56px;
    border-radius: 17px;
  }
  .download-copy h2 {
    font-size: 28px;
    margin: 10px 0 14px;
  }
  .download-copy > p {
    font-size: 11px;
  }
  .release-status {
    font-size: 9px;
    margin-top: 17px;
  }
  .platform-card {
    padding: 21px 18px;
  }
  .platform-heading h3 {
    font-size: 13px;
  }
  .platform-heading p {
    font-size: 10px;
  }
  .platform-heading {
    gap: 13px;
  }
  .platform-badge {
    font-size: 9px;
  }
  .download-footnote {
    font-size: 9px;
    margin-top: 17px;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 25px;
    padding-bottom: 48px;
  }
  .faq-heading {
    text-align: center;
  }
  .faq-heading h2 {
    font-size: 25px;
    margin: 8px 0;
  }
  .faq-heading p {
    font-size: 11px;
  }
  .faq-list summary {
    font-size: 12px;
    padding: 20px 0;
  }
  .faq-list details p {
    font-size: 11px;
    padding-right: 10px;
  }
  .footer-inner {
    flex-direction: column;
    gap: 15px;
    padding: 27px 0;
  }
  .footer-inner > span {
    font-size: 9px;
  }
  .footer-inner .brand img {
    width: 27px;
    height: 27px;
  }
  .footer-inner .brand > span {
    font-size: 14px;
  }
  .mobile-download {
    display: flex;
    position: fixed;
    z-index: 11;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 13px 20px calc(13px + env(safe-area-inset-bottom));
    background: #ffffffed;
    backdrop-filter: blur(16px);
    border-top: 1px solid #e8edf4;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }
  .mobile-download > div {
    display: flex;
    align-items: center;
    gap: 9px;
  }
  .mobile-download > div > span {
    font-size: 12px;
    font-weight: 600;
  }
  .mobile-download small {
    display: block;
    color: #8b95a4;
    font-size: 9px;
    margin-top: 4px;
    font-weight: 400;
  }
  .mobile-download > a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--blue);
    border-radius: 8px;
    padding: 12px 18px;
    color: #fff;
    font-size: 11px;
  }
}
@media (max-width: 380px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-card h3 {
    font-size: 16px;
  }
  .feature-card p {
    font-size: 12px;
    min-height: 0;
    margin-bottom: 14px;
  }
  .feature-tag {
    font-size: 10px;
    white-space: normal;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
  }
}