:root {
  --ink: #f7ead2;
  --ink-strong: #fff7e8;
  --bg: #0e1112;
  --bg-2: #151a1b;
  --panel: rgba(255, 246, 225, 0.08);
  --panel-strong: rgba(255, 246, 225, 0.14);
  --line: rgba(255, 238, 196, 0.16);
  --muted: rgba(247, 234, 210, 0.72);
  --soft: rgba(247, 234, 210, 0.56);
  --gold: #efbd59;
  --gold-2: #ffd981;
  --red: #c94f3d;
  --green: #4b9b7e;
  --blue: #78c8c6;
  --dark-text: #161311;
  --radius: 8px;
  --container: 1120px;
  --header-h: 72px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 44px 44px,
    radial-gradient(circle at 18% 8%, rgba(239, 189, 89, 0.16), transparent 24rem),
    radial-gradient(circle at 84% 22%, rgba(120, 200, 198, 0.12), transparent 24rem),
    linear-gradient(180deg, #0d1011 0%, #161b1c 48%, #101314 100%);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0 35%, rgba(239, 189, 89, 0.045) 35% 35.4%, transparent 35.4% 100%),
    linear-gradient(300deg, transparent 0 63%, rgba(201, 79, 61, 0.05) 63% 63.4%, transparent 63.4% 100%);
  content: "";
}

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

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

p {
  margin: 0 0 1rem;
}

.skip-link,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.skip-link:focus {
  z-index: 1000;
  top: 12px;
  left: 12px;
  width: auto;
  height: auto;
  padding: 0.6rem 0.9rem;
  clip: auto;
  color: var(--dark-text);
  background: var(--gold);
  border-radius: var(--radius);
}

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

.site-header {
  position: fixed;
  z-index: 60;
  inset: 0 0 auto;
  min-height: var(--header-h);
  color: #fff;
  background: rgba(13, 16, 17, 0.78);
  border-bottom: 1px solid rgba(255, 238, 196, 0.12);
  backdrop-filter: blur(16px);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(13, 16, 17, 0.94);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
}

.nav-wrap {
  width: min(100% - 36px, var(--container));
  min-height: var(--header-h);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  overflow: hidden;
  background: #101417;
  border: 1px solid rgba(239, 189, 89, 0.5);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(239, 189, 89, 0.08), 0 10px 26px rgba(239, 189, 89, 0.2);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
}

.brand-text {
  color: var(--ink-strong);
  font-size: 1.04rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.35rem 0.72rem;
  color: rgba(255, 247, 232, 0.82);
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.94rem;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.nav-list a:hover,
.nav-list a.is-active {
  color: #fff;
  background: rgba(255, 246, 225, 0.1);
  border-color: rgba(255, 246, 225, 0.13);
  transform: translateY(-1px);
}

.nav-list .nav-download {
  min-height: 42px;
  margin-left: 0.35rem;
  padding-inline: 1rem;
  color: #1a1308;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 14px 34px rgba(239, 189, 89, 0.22);
}

.nav-list .nav-download:hover,
.nav-list .nav-download.is-active {
  color: #1a1308;
  background: linear-gradient(135deg, #ffe29a, #eeb44c);
  box-shadow: 0 18px 42px rgba(239, 189, 89, 0.3);
}

.nav-toggle {
  display: none;
  min-width: 72px;
  height: 44px;
  padding: 0 0.72rem;
  color: #fff;
  background: rgba(255, 246, 225, 0.1);
  border: 1px solid rgba(255, 246, 225, 0.2);
  border-radius: var(--radius);
  align-items: center;
  justify-content: center;
  gap: 0.44rem;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 900;
}

.nav-toggle-text {
  line-height: 1;
}

.hero {
  position: relative;
  min-height: 82vh;
  display: grid;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 3rem;
  overflow: hidden;
  color: #fff;
  background: #0a0d0e;
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 86px;
  background: linear-gradient(180deg, transparent, var(--bg));
  content: "";
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.9) contrast(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 10, 11, 0.9) 0%, rgba(8, 10, 11, 0.68) 48%, rgba(8, 10, 11, 0.34) 100%),
    linear-gradient(180deg, rgba(8, 10, 11, 0.5) 0%, rgba(8, 10, 11, 0.9) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 720px) minmax(220px, 300px);
  align-items: end;
  gap: clamp(1.5rem, 4vw, 4rem);
}

.eyebrow,
.section-kicker {
  margin: 0 0 0.75rem;
  color: var(--gold);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 720px;
  margin: 0 0 1rem;
  color: var(--gold);
  background: linear-gradient(135deg, #fff4bb 0%, var(--gold) 46%, #c97927 100%);
  -webkit-background-clip: text;
  background-clip: text;
  font-size: clamp(2rem, 4.8vw, 4rem);
  line-height: 0.98;
  letter-spacing: 0;
  text-shadow: 0 14px 38px rgba(0, 0, 0, 0.28);
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  max-width: 660px;
  color: rgba(255, 247, 232, 0.84);
  font-size: clamp(0.96rem, 1.35vw, 1.06rem);
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.82rem;
  margin-top: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.72rem 1.18rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 900;
  line-height: 1.2;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn:active {
  transform: translateY(-1px);
}

.btn-primary {
  color: #1a1308;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 18px 42px rgba(239, 189, 89, 0.24);
}

.btn-secondary {
  color: #fff;
  background: rgba(255, 246, 225, 0.1);
  border-color: rgba(255, 246, 225, 0.22);
}

.btn-secondary:hover {
  background: rgba(255, 246, 225, 0.16);
  border-color: rgba(255, 246, 225, 0.4);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.22);
}

.btn-ghost {
  color: var(--ink-strong);
  background: transparent;
  border-color: rgba(255, 246, 225, 0.24);
}

.btn-ghost:hover {
  background: rgba(255, 246, 225, 0.08);
  border-color: rgba(255, 246, 225, 0.38);
}

.btn-large {
  min-height: 52px;
  padding-inline: 1.5rem;
}

.hero-stats {
  display: grid;
  gap: 0.72rem;
  max-width: 300px;
  margin: 0;
}

.hero-stats div {
  padding: 0.86rem 0.95rem;
  background: rgba(255, 246, 225, 0.11);
  border: 1px solid rgba(255, 246, 225, 0.18);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.hero-stats dt {
  color: rgba(255, 247, 232, 0.58);
  font-size: 0.78rem;
}

.hero-stats dd {
  margin: 0.12rem 0 0;
  color: var(--ink-strong);
  font-weight: 900;
}

.section {
  position: relative;
  padding: 4.6rem 0;
}

.section::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(100% - 40px, var(--container));
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 238, 196, 0.18), transparent);
  transform: translateX(-50%);
  content: "";
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(300px, 0.78fr);
  align-items: start;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.two-column.reverse {
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 0.96fr);
}

.two-column.reverse .section-copy {
  order: 2;
}

.section-copy,
.section-heading,
.system-item,
.feature-card,
.timeline-item,
.faq-item,
.download-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
}

.section-copy {
  padding: clamp(1.1rem, 2.8vw, 2rem);
}

.section-heading {
  max-width: 840px;
  margin: 0 auto 2rem;
  padding: 1.35rem 1.5rem;
  text-align: left;
}

.section-heading.narrow {
  max-width: 780px;
}

.section h2 {
  position: relative;
  display: inline-block;
  margin: 0 0 1.15rem;
  color: var(--ink-strong);
  font-size: clamp(1.35rem, 2.45vw, 2.05rem);
  line-height: 1.15;
  letter-spacing: 0;
}

.section h2::after {
  position: absolute;
  left: 0;
  bottom: -0.45rem;
  width: 3.2rem;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--red));
  border-radius: 999px;
  content: "";
}

.section-heading h2::after {
  left: 0;
  transform: none;
}

.section h3 {
  margin: 0 0 0.55rem;
  color: var(--ink-strong);
  font-size: 1.08rem;
  line-height: 1.35;
}

.section-copy p,
.section-heading p,
.system-item p,
.feature-card p,
.timeline-item p,
.faq-item p,
.download-panel p {
  color: var(--muted);
}

.keyword-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.35rem;
}

.keyword-row span {
  padding: 0.38rem 0.68rem;
  color: #ffeac1;
  background: rgba(239, 189, 89, 0.12);
  border: 1px solid rgba(239, 189, 89, 0.22);
  border-radius: 999px;
  font-size: 0.9rem;
}

.image-panel,
.gallery-item {
  margin: 0;
  overflow: hidden;
  background: rgba(255, 246, 225, 0.08);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.image-panel img,
.gallery-item img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 420ms ease, filter 420ms ease;
}

.image-panel:hover,
.gallery-item:hover {
  transform: translateY(-4px);
  border-color: rgba(239, 189, 89, 0.36);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.36);
}

.image-panel:hover img,
.gallery-item:hover img {
  transform: scale(1.035);
  filter: saturate(1.06) contrast(1.04);
}

.image-panel figcaption,
.gallery-item figcaption {
  padding: 0.72rem 0.85rem;
  color: var(--soft);
  font-size: 0.9rem;
  background: rgba(0, 0, 0, 0.22);
}

.intro-section .two-column {
  align-items: center;
}

.feature-band {
  background:
    linear-gradient(130deg, rgba(201, 79, 61, 0.16), transparent 40%),
    linear-gradient(180deg, rgba(255, 246, 225, 0.02), rgba(255, 246, 225, 0.06));
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  grid-auto-rows: minmax(178px, auto);
  gap: 1rem;
}

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 210px;
  padding: 1.15rem;
  transition: transform 220ms ease, background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.feature-card:first-child {
  grid-row: span 2;
}

.feature-card::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(239, 189, 89, 0.18), transparent 46%);
  opacity: 0;
  transition: opacity 220ms ease;
  content: "";
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-5px);
  background: var(--panel-strong);
  border-color: rgba(239, 189, 89, 0.36);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.28);
}

.feature-card:hover::before {
  opacity: 1;
}

.card-index {
  display: inline-block;
  margin-bottom: 1.6rem;
  color: var(--gold);
  font-weight: 900;
}

.systems-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.system-list {
  display: grid;
  gap: 0.8rem;
}

.system-item {
  padding: 1rem 1.1rem;
  border-left: 5px solid var(--green);
  transition: transform 200ms ease, background 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.system-item:hover {
  transform: translateX(4px);
  background: var(--panel-strong);
  border-color: rgba(75, 155, 126, 0.4);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
}

.route-section {
  background: linear-gradient(180deg, rgba(75, 155, 126, 0.08), rgba(239, 189, 89, 0.05));
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  grid-template-areas:
    "large small-a"
    "large small-b";
  gap: 1rem;
}

.gallery-item:first-child {
  grid-area: large;
}

.gallery-item:nth-child(2) {
  grid-area: small-a;
}

.gallery-item:nth-child(3) {
  grid-area: small-b;
}

.gallery-item:first-child img {
  height: 100%;
  min-height: 440px;
  aspect-ratio: auto;
}

.guide-section {
  background: linear-gradient(180deg, rgba(255, 246, 225, 0.04), rgba(0, 0, 0, 0.08));
}

.guide-timeline {
  position: relative;
  max-width: 920px;
  margin-inline: auto;
  display: grid;
  gap: 0.95rem;
}

.guide-timeline::before {
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 1rem;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--red), var(--green));
  content: "";
}

.timeline-item {
  position: relative;
  min-height: auto;
  margin-left: 2.65rem;
  padding: 1rem 1.15rem;
  border-left: 5px solid var(--red);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease, background 220ms ease;
}

.timeline-item::before {
  position: absolute;
  top: 1.12rem;
  left: -2.24rem;
  width: 0.78rem;
  height: 0.78rem;
  background: var(--gold);
  border: 4px solid var(--bg);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(239, 189, 89, 0.16);
  content: "";
}

.timeline-item:hover {
  transform: translateX(6px);
  background: var(--panel-strong);
  border-color: rgba(201, 79, 61, 0.5);
  box-shadow: 0 24px 54px rgba(0, 0, 0, 0.26);
}

.timeline-step {
  display: inline-flex;
  margin-bottom: 0.72rem;
  color: var(--gold);
  font-size: 0.86rem;
  font-weight: 900;
}

.combat-section {
  background:
    linear-gradient(180deg, rgba(120, 200, 198, 0.07), rgba(239, 189, 89, 0.04)),
    radial-gradient(circle at bottom right, rgba(120, 200, 198, 0.13), transparent 26rem);
}

.check-list {
  display: grid;
  gap: 0.72rem;
  margin: 1.15rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.55rem;
  color: var(--muted);
}

.check-list li::before {
  position: absolute;
  top: 0.68rem;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--green);
  border-radius: 50%;
  content: "";
}

.download-section {
  padding-block: 3.6rem;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(10, 13, 14, 0.92), rgba(10, 13, 14, 0.82)),
    url("img/tu6.jpg") center / cover;
  background-blend-mode: multiply;
}

.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  border-color: rgba(239, 189, 89, 0.24);
}

.download-panel h2,
.download-panel p {
  color: #fff;
}

.download-panel .notice {
  color: rgba(255, 247, 232, 0.7);
  font-size: 0.95rem;
}

.download-actions {
  justify-content: flex-end;
  margin-top: 0;
}

.faq-list {
  max-width: 920px;
  margin-inline: auto;
  display: grid;
  gap: 0.75rem;
}

.faq-item {
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.faq-item:hover,
.faq-item[open] {
  background: var(--panel-strong);
  border-color: rgba(239, 189, 89, 0.42);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

.faq-item summary {
  cursor: pointer;
  padding: 1rem 1.15rem;
  color: var(--ink-strong);
  font-weight: 900;
  transition: color 160ms ease;
}

.faq-item summary:hover {
  color: var(--gold);
}

.faq-item p {
  padding: 0 1.15rem 1rem;
}

.site-footer {
  color: rgba(255, 247, 232, 0.72);
  background: #090b0c;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  padding: 2.1rem 0;
}

.footer-inner strong {
  color: #fff;
  font-size: 1.1rem;
}

.footer-inner p {
  margin: 0.2rem 0 0;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: flex-end;
}

.footer-inner nav a {
  color: rgba(255, 247, 232, 0.82);
  transition: color 160ms ease;
}

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

.copyright {
  grid-column: 1 / -1;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 238, 196, 0.12);
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1050px) {
  .hero-content,
  .feature-grid,
  .systems-layout,
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature-card:first-child {
    grid-row: auto;
  }

  .gallery-grid {
    grid-template-areas: none;
  }

  .gallery-item,
  .gallery-item:first-child,
  .gallery-item:nth-child(2),
  .gallery-item:nth-child(3) {
    grid-area: auto;
  }

  .gallery-item:first-child img {
    min-height: auto;
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 820px) {
  :root {
    --header-h: 64px;
  }

  .container,
  .hero-content {
    width: min(100% - 28px, var(--container));
  }

  .nav-wrap {
    width: min(100% - 24px, var(--container));
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav-list {
    position: absolute;
    top: calc(var(--header-h) - 1px);
    right: 12px;
    left: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.6rem;
    background: rgba(13, 16, 17, 0.98);
    border: 1px solid rgba(255, 246, 225, 0.14);
    border-radius: var(--radius);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.3);
  }

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

  .nav-list a {
    justify-content: center;
  }

  .nav-list .nav-download {
    margin-left: 0;
  }

  .hero {
    min-height: 80vh;
    padding: calc(var(--header-h) + 2rem) 0 2rem;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(8, 10, 11, 0.54), rgba(8, 10, 11, 0.96)),
      linear-gradient(90deg, rgba(8, 10, 11, 0.76), rgba(8, 10, 11, 0.28));
  }

  .hero-content,
  .two-column,
  .two-column.reverse,
  .systems-layout,
  .download-panel {
    grid-template-columns: 1fr;
  }

  .two-column.reverse .section-copy {
    order: initial;
  }

  .hero-stats {
    max-width: none;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section {
    padding: 3.4rem 0;
  }

  .section-heading {
    padding: 1.1rem;
  }

  .download-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .brand-text {
    font-size: 0.98rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-actions,
  .download-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-stats,
  .feature-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .guide-timeline::before {
    left: 0.72rem;
  }

  .timeline-item {
    margin-left: 2.15rem;
  }

  .timeline-item::before {
    left: -1.94rem;
  }

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

  .footer-inner nav {
    justify-content: flex-start;
  }
}