:root {
  --ink: #151c32;
  --ink-soft: #25304c;
  --paper: #f7f5ef;
  --paper-strong: #ffffff;
  --coral: #f25757;
  --coral-dark: #d93f48;
  --gold: #f5c451;
  --teal: #258c87;
  --text: #20263a;
  --muted: #667085;
  --line: #dcd9cf;
  --shadow: 0 18px 45px rgba(21, 28, 50, 0.12);
  --radius: 6px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, Helvetica, sans-serif;
  line-height: 1.75;
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input {
  font: inherit;
}

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 8px 12px;
  color: #fff;
  background: var(--coral-dark);
  transform: translateY(-150%);
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  color: #fff;
  background: rgba(21, 28, 50, 0.97);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  min-height: 72px;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 11px;
  font-size: 18px;
  font-weight: 800;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 6px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
  gap: 30px;
}

.site-nav a:not(.btn-primary) {
  position: relative;
  color: #d7dbea;
  font-size: 15px;
  font-weight: 650;
}

.site-nav a:not(.btn-primary)::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: #fff;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 10px;
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1;
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.btn-primary {
  color: #171b2b;
  background: var(--gold);
  box-shadow: 0 10px 24px rgba(245, 196, 81, 0.22);
}

.btn-primary::before {
  width: 12px;
  height: 15px;
  margin-right: 9px;
  content: "";
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-2px);
}

.btn-primary:hover {
  background: #ffd66c;
}

.btn-secondary {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 650px;
  color: #fff;
  background-color: var(--ink);
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 8px;
  content: "";
  background: linear-gradient(90deg, var(--coral) 0 42%, var(--gold) 42% 74%, var(--teal) 74%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(420px, 0.97fr);
  align-items: center;
  min-height: 650px;
  gap: 68px;
  padding-block: 64px 74px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0;
}

.eyebrow::before {
  width: 24px;
  height: 3px;
  content: "";
  background: currentColor;
}

.hero h1 {
  max-width: 650px;
  margin: 0 0 22px;
  font-size: 58px;
  line-height: 1.12;
  letter-spacing: 0;
}

.hero-copy > p:first-of-type {
  max-width: 650px;
  margin: 0;
  color: #dce1ef;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 26px;
  color: #bfc6d9;
  font-size: 14px;
}

.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-trust span::before {
  width: 8px;
  height: 8px;
  content: "";
  background: var(--teal);
  border: 2px solid #a8e1dc;
  border-radius: 50%;
}

.hero-visual {
  position: relative;
  min-height: 510px;
}

.app-seal {
  position: absolute;
  top: 12px;
  left: 0;
  z-index: 4;
  display: grid;
  grid-template-columns: 70px 1fr;
  align-items: center;
  width: 230px;
  padding: 13px;
  color: var(--ink);
  background: var(--gold);
  border: 4px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 7px 7px 0 var(--coral);
}

.app-seal img {
  width: 58px;
  height: 58px;
  border-radius: 15px;
}

.app-seal strong,
.app-seal small {
  display: block;
}

.app-seal strong {
  font-size: 15px;
}

.app-seal small {
  color: #55451c;
  font-size: 12px;
}

.phone-shot {
  position: absolute;
  overflow: hidden;
  width: 225px;
  background: #252d40;
  border: 8px solid #f5f1e8;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.phone-shot img {
  width: 100%;
  max-width: 400px;
  height: auto;
}

.phone-shot.one {
  top: 58px;
  right: 82px;
  z-index: 3;
  transform: rotate(3deg);
}

.phone-shot.two {
  top: 132px;
  right: 266px;
  z-index: 2;
  width: 196px;
  transform: rotate(-7deg);
}

.channel-strip {
  color: #fff;
  background: var(--coral);
}

.channel-row {
  display: grid;
  grid-template-columns: 1.25fr repeat(5, 1fr);
  align-items: stretch;
}

.channel-title,
.channel-item {
  min-height: 92px;
  padding: 19px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.24);
}

.channel-title {
  display: flex;
  align-items: center;
  color: var(--ink);
  background: var(--gold);
  font-size: 18px;
  font-weight: 900;
}

.channel-item strong,
.channel-item small {
  display: block;
}

.channel-item strong {
  font-size: 16px;
}

.channel-item small {
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
}

.section {
  padding-block: 96px;
}

.section.alt {
  background: #eeece5;
  border-block: 1px solid var(--line);
}

.section.dark {
  color: #fff;
  background: var(--ink);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 38px;
}

.section-heading .eyebrow {
  display: flex;
  margin-bottom: 8px;
  color: var(--coral-dark);
}

.section.dark .section-heading .eyebrow {
  color: var(--gold);
}

.section-heading h2 {
  margin: 0;
  font-size: 38px;
  line-height: 1.2;
}

.section-index {
  color: #c8c4b8;
  font-size: 62px;
  font-weight: 900;
  line-height: 1;
}

.section.dark .section-index {
  color: #39435e;
}

.preview-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: 80px;
}

.preview-layout > * {
  min-width: 0;
}

.preview-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 640px;
  padding: 28px;
  background: var(--ink);
  border: 8px solid var(--gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.preview-slide {
  display: none;
  width: 100%;
  margin: 0;
  justify-items: center;
}

.preview-slide.is-active {
  display: grid;
}

.preview-slide img {
  width: auto;
  max-width: 400px;
  max-height: 575px;
  height: auto;
  border-radius: 4px;
}

.preview-controls {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: flex;
  gap: 8px;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  color: #fff;
  background: var(--coral);
  border: 0;
  border-radius: 50%;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.preview-copy h3 {
  margin: 0 0 12px;
  font-size: 32px;
}

.preview-copy p {
  margin: 0 0 24px;
  color: var(--muted);
}

.preview-tabs {
  display: grid;
  gap: 10px;
}

.preview-tab {
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  gap: 15px;
  min-width: 0;
  width: 100%;
  padding: 14px 16px;
  text-align: left;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}

.preview-tab > span:first-child {
  display: grid;
  place-items: center;
  width: 46px;
  height: 34px;
  color: var(--ink);
  background: #ddd9ce;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 900;
}

.preview-tab strong,
.preview-tab small {
  display: block;
}

.preview-tab > span:last-child {
  display: block;
  min-width: 0;
}

.preview-tab strong,
.preview-tab small {
  overflow-wrap: anywhere;
}

.preview-tab small {
  color: var(--muted);
}

.preview-tab.is-active {
  color: #fff;
  background: var(--ink);
  border-color: var(--ink);
}

.preview-tab.is-active > span:first-child {
  background: var(--gold);
}

.preview-tab.is-active small {
  color: #c8cedd;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  min-height: 250px;
  padding: 30px;
  background: var(--paper-strong);
  border-top: 5px solid var(--coral);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(21, 28, 50, 0.08);
}

.feature-card:nth-child(2),
.feature-card:nth-child(5) {
  border-color: var(--gold);
}

.feature-card:nth-child(3),
.feature-card:nth-child(6) {
  border-color: var(--teal);
}

.feature-no {
  color: #c3beb1;
  font-size: 30px;
  font-weight: 900;
}

.feature-card h3 {
  margin: 12px 0 10px;
  font-size: 21px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.stats-band {
  color: #fff;
  background: var(--teal);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: 36px 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.25);
}

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

.stat strong {
  font-size: 30px;
  line-height: 1.25;
}

.stat span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.route-card {
  position: relative;
  display: grid;
  grid-template-columns: 86px 1fr;
  min-height: 270px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.route-code {
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--gold);
  font-size: 24px;
  font-weight: 900;
  writing-mode: vertical-rl;
}

.route-card:nth-child(2) .route-code {
  color: #fff;
  background: var(--coral);
}

.route-content {
  padding: 30px;
}

.route-content h3 {
  margin: 0 0 10px;
  font-size: 25px;
}

.route-content p {
  margin: 0 0 20px;
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--coral-dark);
  font-weight: 800;
}

.text-link::after {
  content: "→";
  font-size: 20px;
}

.review-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 18px;
}

.review-card {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  color: var(--text);
  background: #fff;
  border-radius: var(--radius);
}

.review-card:first-child {
  color: #fff;
  background: var(--coral);
}

.review-card blockquote {
  margin: 0;
  font-size: 17px;
}

.review-card:first-child blockquote {
  font-size: 22px;
}

.review-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  font-size: 13px;
  font-weight: 800;
}

.stars {
  color: var(--gold);
  letter-spacing: 0;
}

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

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  font-size: 17px;
  font-weight: 800;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  flex: 0 0 auto;
  content: "+";
  color: var(--coral-dark);
  font-size: 28px;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 900px;
  margin: -6px 0 24px;
  color: var(--muted);
}

.download-band {
  color: #fff;
  background: var(--coral);
  border-bottom: 8px solid var(--gold);
}

.download-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  padding-block: 50px;
}

.download-inner h2 {
  margin: 0;
  font-size: 34px;
}

.download-inner .btn-primary {
  min-width: 160px;
}

.site-footer {
  padding-block: 46px 28px;
  color: #bbc2d3;
  background: #0f1526;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 50px;
}

.footer-brand {
  margin-bottom: 14px;
}

.footer-brand img {
  width: 38px;
  height: 38px;
}

.footer-grid h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 15px;
}

.footer-grid p {
  margin: 0;
  font-size: 13px;
}

.footer-links {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid #28314a;
  font-size: 12px;
}

.inner-hero {
  color: #fff;
  background: var(--ink);
  border-bottom: 8px solid var(--gold);
}

.inner-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: center;
  gap: 70px;
  min-height: 430px;
  padding-block: 70px;
}

.inner-hero h1 {
  max-width: 780px;
  margin: 0 0 18px;
  font-size: 50px;
  line-height: 1.16;
}

.inner-hero p {
  max-width: 760px;
  margin: 0;
  color: #d3d9e7;
  font-size: 17px;
}

.page-stamp {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  color: var(--ink);
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 16px 16px 0 var(--coral);
  text-align: center;
}

.page-stamp span,
.page-stamp strong {
  display: block;
}

.page-stamp span {
  font-size: 14px;
  font-weight: 800;
}

.page-stamp strong {
  font-size: 66px;
  line-height: 1;
}

.breadcrumb {
  padding-block: 17px;
  color: var(--muted);
  background: #fff;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--coral-dark);
  font-weight: 750;
}

.guide-steps {
  display: grid;
  gap: 0;
  counter-reset: guide;
}

.guide-step {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr) 250px;
  gap: 36px;
  padding-block: 48px;
  border-bottom: 1px solid var(--line);
  counter-increment: guide;
}

.guide-step:last-child {
  border-bottom: 0;
}

.guide-number {
  color: var(--coral);
  font-size: 58px;
  font-weight: 900;
  line-height: 1;
}

.guide-number::before {
  content: "0" counter(guide);
}

.guide-content h2 {
  margin: 0 0 14px;
  font-size: 27px;
}

.guide-content p {
  margin: 0 0 14px;
  color: var(--muted);
}

.guide-content ul,
.detail-block ul {
  margin: 14px 0 0;
  padding-left: 20px;
}

.guide-content li,
.detail-block li {
  margin-bottom: 8px;
}

.step-ticket {
  align-self: start;
  padding: 20px;
  color: #fff;
  background: var(--ink);
  border-left: 5px solid var(--gold);
  border-radius: var(--radius);
}

.step-ticket strong,
.step-ticket span {
  display: block;
}

.step-ticket strong {
  margin-bottom: 6px;
}

.step-ticket span {
  color: #c6ccda;
  font-size: 13px;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.security-item {
  padding: 26px;
  color: #fff;
  background: var(--ink-soft);
  border-radius: var(--radius);
}

.security-item strong {
  display: block;
  margin-bottom: 9px;
  color: var(--gold);
  font-size: 18px;
}

.security-item p {
  margin: 0;
  color: #d4d9e6;
}

.content-split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: start;
  gap: 70px;
}

.content-split h2 {
  margin: 0 0 22px;
  font-size: 34px;
}

.content-split p {
  color: var(--muted);
}

.guide-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  margin-inline: auto;
  border: 7px solid var(--ink);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.function-list {
  display: grid;
  gap: 18px;
}

.function-row {
  display: grid;
  grid-template-columns: 92px 0.8fr 1.2fr;
  align-items: start;
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.function-row:last-child {
  border-bottom: 0;
}

.function-code {
  padding: 7px 10px;
  color: #fff;
  background: var(--coral);
  border-radius: 3px;
  text-align: center;
  font-size: 13px;
  font-weight: 900;
}

.function-row h2 {
  margin: 0;
  font-size: 24px;
}

.function-row p {
  margin: 0;
  color: var(--muted);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.detail-block {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.detail-block h3 {
  margin: 0 0 12px;
  font-size: 21px;
}

.detail-block p {
  margin: 0;
  color: var(--muted);
}

.faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}

.faq-jump a {
  padding: 8px 13px;
  color: var(--ink);
  background: var(--gold);
  border-radius: 3px;
  font-size: 13px;
  font-weight: 800;
}

.notice {
  padding: 24px 28px;
  color: #fff;
  background: var(--teal);
  border-left: 7px solid var(--gold);
  border-radius: var(--radius);
}

.notice strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.notice p {
  margin: 0;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 480ms ease, transform 480ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

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

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

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 72px;
    right: 0;
    bottom: 0;
    left: 0;
    display: none;
    align-items: stretch;
    justify-content: flex-start;
    flex-direction: column;
    gap: 0;
    padding: 24px 20px;
    background: var(--ink);
  }

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

  .site-nav a:not(.btn-primary) {
    padding: 16px 0;
    border-bottom: 1px solid #303952;
  }

  .site-nav .btn-primary {
    margin-top: 24px;
  }

  .hero-grid {
    grid-template-columns: 1fr 340px;
    gap: 26px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero-visual {
    min-height: 470px;
  }

  .phone-shot.one {
    right: 0;
  }

  .phone-shot.two {
    right: 120px;
  }

  .channel-row {
    grid-template-columns: repeat(3, 1fr);
  }

  .channel-title {
    grid-column: 1 / -1;
  }

  .preview-layout {
    gap: 40px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .review-card:first-child {
    grid-column: 1 / -1;
  }

  .guide-step {
    grid-template-columns: 90px minmax(0, 1fr);
  }

  .step-ticket {
    grid-column: 2;
  }

  .content-split {
    gap: 40px;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .brand {
    font-size: 16px;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 58px 72px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero-copy > p:first-of-type {
    font-size: 16px;
  }

  .hero-visual {
    min-height: 430px;
  }

  .app-seal {
    left: 50%;
    transform: translateX(-50%);
  }

  .phone-shot.one {
    top: 84px;
    right: 50%;
    width: 210px;
    transform: translateX(50%) rotate(2deg);
  }

  .phone-shot.two {
    display: none;
  }

  .channel-row,
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .channel-title {
    grid-column: 1 / -1;
  }

  .section {
    padding-block: 70px;
  }

  .section-heading h2 {
    font-size: 31px;
  }

  .section-index {
    display: none;
  }

  .preview-layout,
  .route-grid,
  .security-grid,
  .content-split,
  .detail-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .preview-stage {
    min-height: 590px;
  }

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

  .review-card:first-child {
    grid-column: auto;
  }

  .download-inner {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .download-inner h2 {
    font-size: 28px;
  }

  .footer-bottom {
    flex-direction: column;
  }

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

  .inner-hero h1 {
    font-size: 38px;
  }

  .page-stamp {
    width: 180px;
  }

  .guide-step {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 20px;
  }

  .guide-number {
    font-size: 38px;
  }

  .function-row {
    grid-template-columns: 74px 1fr;
  }

  .function-row p {
    grid-column: 2;
  }
}

@media (max-width: 430px) {
  .hero-grid {
    gap: 14px;
    padding-block: 38px 26px;
  }

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

  .hero-copy > p:first-of-type {
    font-size: 15px;
    line-height: 1.65;
  }

  .hero-actions {
    display: flex;
    gap: 8px;
    margin-top: 22px;
  }

  .hero-actions a {
    width: auto;
    min-height: 44px;
    padding-inline: 16px;
  }

  .hero-trust {
    gap: 10px;
    margin-top: 18px;
    font-size: 12px;
  }

  .hero-visual {
    min-height: 250px;
  }

  .app-seal {
    width: 200px;
    grid-template-columns: 54px 1fr;
    padding: 10px;
    box-shadow: 5px 5px 0 var(--coral);
  }

  .app-seal img {
    width: 46px;
    height: 46px;
    border-radius: 12px;
  }

  .phone-shot.one {
    top: 64px;
    width: 152px;
    border-width: 6px;
    border-radius: 20px;
  }

  .channel-row,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .channel-item,
  .stat {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  }

  .preview-stage {
    min-height: 520px;
    padding: 18px;
  }

  .preview-slide img {
    max-height: 485px;
  }

  .route-card {
    grid-template-columns: 62px 1fr;
  }

  .route-code {
    font-size: 18px;
  }

  .route-content {
    padding: 22px;
  }

  .guide-step {
    grid-template-columns: 1fr;
  }

  .guide-number,
  .step-ticket {
    grid-column: 1;
  }

  .function-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .function-row p {
    grid-column: 1;
  }
}