:root {
  --bg: #0a0a0a;
  --bg-soft: #111113;
  --bg-panel: #161416;
  --red: #7a0012;
  --red-bright: #b20d25;
  --red-dark: #3b0009;
  --text: #e0e0e0;
  --muted: #aaa3a6;
  --line: rgba(224, 224, 224, 0.14);
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.48);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(122, 0, 18, 0.26), transparent 32rem),
    linear-gradient(180deg, #0a0a0a 0%, #111113 48%, #0a0a0a 100%);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

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

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

p {
  margin: 0 0 1rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(3rem, 6vw, 5.4rem);
  font-weight: 900;
  text-transform: none;
}

h2 {
  position: relative;
  display: inline-block;
  padding-left: 0.95rem;
  color: #e31b4a;
  font-size: clamp(1.55rem, 2.6vw, 2.35rem);
  font-weight: 850;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.12em;
  width: 4px;
  height: 0.9em;
  border-radius: 4px;
  background: #e31b4a;
  box-shadow: 0 0 22px rgba(227, 27, 74, 0.48);
}

h3 {
  font-size: 1.12rem;
  font-weight: 800;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  transform: translateY(-140%);
  background: var(--text);
  color: #0a0a0a;
  padding: 0.6rem 0.85rem;
  border-radius: 6px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 10, 10, 0.86);
  backdrop-filter: blur(16px);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.8rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 900;
  min-width: 0;
  transition: color 0.2s ease, transform 0.2s ease;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(224, 224, 224, 0.18);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.brand span {
  white-space: nowrap;
}

.brand:hover,
.brand:focus {
  color: #fff;
}

.brand:hover img,
.brand:focus img {
  transform: translateY(-1px) scale(1.04);
  border-color: rgba(227, 27, 74, 0.62);
  box-shadow: 0 0 0 4px rgba(227, 27, 74, 0.12), 0 12px 28px rgba(0, 0, 0, 0.4);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.94rem;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  padding: 0.58rem 0.72rem;
  border-radius: 999px;
  color: rgba(224, 224, 224, 0.86);
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus {
  color: #fff;
  background: rgba(122, 0, 18, 0.56);
  box-shadow: inset 0 0 0 1px rgba(255, 154, 170, 0.2), 0 10px 28px rgba(122, 0, 18, 0.22);
}

.site-nav .nav-cta {
  background: var(--red);
  color: #fff;
  margin-left: 0.25rem;
  border-radius: 999px;
  box-shadow: 0 12px 36px rgba(122, 0, 18, 0.36);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transform-origin: center;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

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

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

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

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 6.5rem 1.25rem;
}

.section-band {
  max-width: none;
  padding-left: max(1.25rem, calc((100vw - var(--max)) / 2 + 1.25rem));
  padding-right: max(1.25rem, calc((100vw - var(--max)) / 2 + 1.25rem));
  background: linear-gradient(180deg, rgba(122, 0, 18, 0.1), rgba(255, 255, 255, 0.025));
  border-block: 1px solid var(--line);
}

.section-head {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2.6rem;
  text-align: center;
}

.section-head p:last-child {
  color: var(--muted);
  font-size: 1.05rem;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: #ff9aaa;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(10, 10, 10, 0.96) 0%, rgba(10, 10, 10, 0.76) 42%, rgba(10, 10, 10, 0.34) 100%),
    linear-gradient(0deg, #0a0a0a 0%, rgba(10, 10, 10, 0.08) 42%, rgba(10, 10, 10, 0.34) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 5.5rem 1.25rem 4.25rem;
}

.hero h1 {
  white-space: nowrap;
}

.hero-lead {
  max-width: 760px;
  margin-top: 1.2rem;
  color: rgba(224, 224, 224, 0.86);
  font-size: clamp(1rem, 1.9vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.52rem;
  min-height: 46px;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 850;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-bright) 100%);
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 16px 44px rgba(122, 0, 18, 0.45);
  background-size: 140% 140%;
}

.button.ghost {
  border-color: var(--line);
  background: rgba(224, 224, 224, 0.07);
  color: var(--text);
}

.button:hover,
.button:focus {
  transform: translateY(-2px);
  box-shadow: 0 18px 46px rgba(122, 0, 18, 0.42), 0 0 0 4px rgba(227, 27, 74, 0.12);
}

.button.primary:hover,
.button.primary:focus {
  background-position: 100% 0;
}

.button.ghost:hover,
.button.ghost:focus {
  border-color: rgba(227, 27, 74, 0.62);
  background: rgba(122, 0, 18, 0.2);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 620px;
  gap: 0.75rem;
  margin: 2.2rem 0 0;
}

.hero-facts div {
  border: 1px solid var(--line);
  background: rgba(10, 10, 10, 0.62);
  padding: 0.85rem;
  border-radius: 6px;
}

.hero-facts dt {
  color: var(--muted);
  font-size: 0.8rem;
}

.hero-facts dd {
  margin: 0.2rem 0 0;
  font-weight: 850;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  max-width: var(--max);
  margin: 1rem auto 0;
  padding: 0 1.25rem;
  gap: 0.5rem;
}

.quick-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.48rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  padding: 0.7rem 0.5rem;
  text-align: center;
  border-radius: 999px;
  color: rgba(224, 224, 224, 0.86);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.quick-links a:hover,
.quick-links a:focus {
  border-color: rgba(178, 13, 37, 0.7);
  background: rgba(122, 0, 18, 0.22);
  box-shadow: inset 0 0 0 1px rgba(255, 154, 170, 0.12), 0 10px 28px rgba(122, 0, 18, 0.18);
}

.icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7em;
  height: 1.7em;
  flex: 0 0 auto;
  color: #ff9aaa;
  border-radius: 50%;
  background: rgba(255, 154, 170, 0.1);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.icon::before {
  content: "";
  display: block;
  width: 1em;
  height: 1em;
  background: currentColor;
  -webkit-mask: var(--icon-path) center / contain no-repeat;
  mask: var(--icon-path) center / contain no-repeat;
}

.button.primary .icon,
.site-nav .nav-cta .icon {
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
}

.button.ghost .icon,
.quick-links .icon,
.site-nav a:not(.nav-cta) .icon {
  color: #ff9aaa;
}

.site-nav a:hover .icon,
.site-nav a:focus .icon,
.quick-links a:hover .icon,
.quick-links a:focus .icon,
.button:hover .icon,
.button:focus .icon {
  background: rgba(255, 255, 255, 0.18);
  transform: scale(1.04);
}

.icon-info {
  --icon-path: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M11 10h2v8h-2zM11 6h2v2h-2z'/%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20Zm0 18a8 8 0 1 1 0-16 8 8 0 0 1 0 16Z'/%3E%3C/svg%3E");
}

.icon-grid {
  --icon-path: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 4h7v7H4zM13 4h7v7h-7zM4 13h7v7H4zM13 13h7v7h-7z'/%3E%3C/svg%3E");
}

.icon-map {
  --icon-path: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m15 4-6-2-7 3v17l7-3 6 2 7-3V1l-7 3Zm-1 14.6-4-1.33V4.4l4 1.33V18.6ZM4 6.33l4-1.71v12.95l-4 1.71V6.33Zm16 10.34-4 1.71V5.43l4-1.71v12.95Z'/%3E%3C/svg%3E");
}

.icon-star {
  --icon-path: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m12 2 2.9 6.2 6.8.82-5 4.67 1.32 6.71L12 17.1 5.98 20.4l1.32-6.71-5-4.67 6.8-.82L12 2Z'/%3E%3C/svg%3E");
}

.icon-clock {
  --icon-path: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20Zm0 18a8 8 0 1 1 0-16 8 8 0 0 1 0 16Zm1-13h-2v6l5 3 1-1.73-4-2.27V7Z'/%3E%3C/svg%3E");
}

.icon-help {
  --icon-path: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M11 18h2v-2h-2v2Zm1-16a7 7 0 0 0-7 7h2a5 5 0 1 1 6.2 4.85c-1.25.32-2.2 1.46-2.2 2.8V17h2v-.35c0-.43.3-.8.72-.91A7 7 0 0 0 12 2Z'/%3E%3C/svg%3E");
}

.icon-link {
  --icon-path: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M14 3h7v7h-2V6.41l-9.29 9.3-1.42-1.42 9.3-9.29H14V3ZM5 5h6v2H7v10h10v-4h2v6H5V5Z'/%3E%3C/svg%3E");
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 2rem;
  align-items: center;
}

.copy {
  color: rgba(224, 224, 224, 0.88);
}

.copy h3 {
  margin-bottom: 0.9rem;
  font-size: 1.4rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  list-style: none;
  padding: 0;
  margin: 1.3rem 0 0;
}

.tag-list li {
  border: 1px solid rgba(178, 13, 37, 0.48);
  color: #ffd1d8;
  background: rgba(122, 0, 18, 0.16);
  padding: 0.35rem 0.62rem;
  border-radius: 6px;
  font-size: 0.88rem;
}

.media-card,
.wide-media,
.guide-panel figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0d0d0e;
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.media-card img,
.wide-media img,
.guide-panel img {
  width: 100%;
  object-fit: cover;
  transition: transform 0.45s ease, filter 0.45s ease;
}

.media-card:hover,
.wide-media:hover,
.guide-panel figure:hover {
  transform: translateY(-4px);
  border-color: rgba(227, 27, 74, 0.48);
  box-shadow: 0 26px 78px rgba(0, 0, 0, 0.56), 0 0 0 1px rgba(227, 27, 74, 0.18);
}

.media-card:hover img,
.wide-media:hover img,
.guide-panel figure:hover img {
  transform: scale(1.035);
  filter: saturate(1.08) contrast(1.04);
}

.media-card figcaption,
.wide-media figcaption {
  padding: 0.75rem 0.9rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.content-grid,
.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.info-card,
.feature-list article,
.step,
.faq-list details {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
  border-radius: 8px;
  padding: 1.2rem;
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease, box-shadow 0.24s ease;
}

.info-card::after,
.feature-list article::after,
.step::after,
.faq-list details::after,
.update-log article::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.08) 42%, transparent 72%);
  transform: translateX(-120%);
  transition: opacity 0.25s ease, transform 0.55s ease;
}

.info-card:hover,
.feature-list article:hover,
.step:hover,
.faq-list details:hover {
  transform: translateY(-4px);
  border-color: rgba(227, 27, 74, 0.46);
  background: linear-gradient(180deg, rgba(122, 0, 18, 0.18), rgba(255, 255, 255, 0.035));
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.34), 0 0 0 1px rgba(227, 27, 74, 0.12);
}

.info-card:hover::after,
.feature-list article:hover::after,
.step:hover::after,
.faq-list details:hover::after,
.update-log article:hover::after {
  opacity: 1;
  transform: translateX(120%);
}

.info-card .icon {
  display: inline-flex;
  color: #ff9aaa;
  margin-bottom: 0.8rem;
  font-size: 1.15rem;
}

.info-card p,
.feature-list p,
.step p {
  margin: 0.65rem 0 0;
  color: var(--muted);
}

.wide-media {
  margin-top: 1.6rem;
}

.wide-media img {
  max-height: 440px;
}

#updates {
  max-width: none;
  padding-left: max(1.25rem, calc((100vw - 1240px) / 2 + 1.25rem));
  padding-right: max(1.25rem, calc((100vw - 1240px) / 2 + 1.25rem));
}

.update-head h2::before {
  left: -0.45rem;
  top: 0.08em;
  width: 6px;
  height: 0.95em;
}

.update-log {
  display: grid;
  gap: 0.85rem;
  max-width: 1200px;
  margin: 0 auto;
}

.update-log article {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(130px, 170px) minmax(0, 1fr);
  align-items: center;
  gap: 1.35rem;
  min-height: 78px;
  padding: 1.15rem 1.5rem;
  border: 1px solid rgba(224, 224, 224, 0.12);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(55, 62, 68, 0.86), rgba(43, 49, 54, 0.9));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease, box-shadow 0.24s ease;
}

.update-log article:hover {
  transform: translateX(6px);
  border-color: rgba(227, 27, 74, 0.48);
  background: linear-gradient(180deg, rgba(69, 74, 80, 0.94), rgba(48, 54, 59, 0.96));
  box-shadow: inset 4px 0 0 #e31b4a, 0 14px 38px rgba(0, 0, 0, 0.28);
}

.update-log article:hover h3 {
  color: #ff9aaa;
}

.update-log h3 {
  color: #fff;
  font-size: 1rem;
  font-weight: 900;
}

.update-log p {
  margin: 0;
  color: rgba(224, 224, 224, 0.78);
  font-size: 1rem;
  line-height: 1.7;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.step {
  position: relative;
  min-height: 0;
}

.step::before {
  content: "";
  position: absolute;
  left: 1.2rem;
  top: 0;
  width: 44px;
  height: 3px;
  background: var(--red-bright);
}

.guide-panel {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
  margin-top: 1.6rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  padding: 1rem;
}

.guide-panel figure {
  box-shadow: none;
}

.guide-panel div {
  padding: 0.5rem;
}

.guide-panel p {
  color: var(--muted);
}

.feature-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 850;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.faq-list summary::after {
  content: "+";
  color: #ff9aaa;
  font-size: 1.35rem;
  line-height: 1;
}

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

.faq-list details p {
  color: var(--muted);
  margin: 0.8rem 0 0;
}

.final-cta {
  max-width: var(--max);
  margin: 0 auto 5rem;
  padding: 2rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border: 1px solid rgba(178, 13, 37, 0.42);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(122, 0, 18, 0.35), rgba(255, 255, 255, 0.04)),
    var(--bg-panel);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.final-cta:hover {
  transform: translateY(-3px);
  border-color: rgba(227, 27, 74, 0.72);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.44), 0 0 0 1px rgba(227, 27, 74, 0.16);
}

.final-cta > div {
  flex: 1;
  text-align: center;
}

.final-cta h2 {
  font-size: clamp(1.55rem, 2.6vw, 2.35rem);
}

.final-cta p:last-child {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 1.25rem;
  text-align: center;
  color: var(--muted);
  background: #070707;
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0.25rem 0;
}

.friend-links {
  margin-top: 1rem;
  padding: 4.6rem 1.25rem 4.9rem;
  background:
    radial-gradient(circle at 50% 25%, rgba(255, 154, 170, 0.16), transparent 28rem),
    linear-gradient(120deg, #27191d 0%, #621323 42%, #c22a55 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.friend-links-inner {
  max-width: var(--max);
  margin: 0 auto;
  text-align: center;
}

.friend-links h2 {
  margin-bottom: 2rem;
  color: #ffe576;
  text-shadow: 0 10px 28px rgba(0, 0, 0, 0.24), 0 0 24px rgba(255, 229, 118, 0.22);
}

.friend-links h2::before {
  display: none;
}

.friend-link-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
}

.friend-link-list a {
  min-width: 138px;
  padding: 0.72rem 1.3rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-weight: 850;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16), 0 12px 32px rgba(0, 0, 0, 0.18);
  transition: transform 0.22s ease, background 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.friend-link-list a:hover,
.friend-link-list a:focus {
  transform: translateY(-3px);
  border-color: rgba(255, 229, 118, 0.62);
  background: rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 18px 40px rgba(0, 0, 0, 0.24), 0 0 0 4px rgba(255, 229, 118, 0.12);
}

@media (max-width: 1080px) {
  .site-nav {
    gap: 0.1rem;
    font-size: 0.88rem;
  }

  .content-grid,
  .feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 69px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.8rem 1.25rem 1.25rem;
    background: rgba(10, 10, 10, 0.98);
    border-bottom: 1px solid var(--line);
  }

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

  .site-nav a {
    padding: 0.86rem 0.75rem;
  }

  .site-nav .nav-cta {
    margin: 0.6rem 0 0;
    text-align: center;
  }

  .hero {
    min-height: 740px;
    align-items: end;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(10, 10, 10, 0.5) 0%, rgba(10, 10, 10, 0.88) 48%, #0a0a0a 100%);
  }

  .hero-content {
    padding-top: 7rem;
    padding-bottom: 3rem;
  }

  .hero h1 {
    white-space: normal;
  }

  .hero-facts,
  .quick-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .split,
  .guide-panel {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 4.2rem;
    padding-bottom: 4.2rem;
  }

  .update-log article {
    grid-template-columns: 1fr;
    gap: 0.35rem;
    min-height: 0;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15px;
  }

  .header-inner {
    padding-inline: 1rem;
  }

  .brand span {
    max-width: 58vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  h1 {
    font-size: 3rem;
  }

  .hero {
    min-height: 680px;
  }

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

  .button {
    width: 100%;
  }

  .hero-facts,
  .quick-links,
  .content-grid,
  .feature-list,
  .timeline {
    grid-template-columns: 1fr;
  }

  .info-card,
  .feature-list article,
  .step,
  .faq-list details {
    padding: 1rem;
  }
}

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

  .button:hover,
  .button:focus {
    transform: none;
  }
}