/* 样式文件：Ctrl+F 搜索 hero.jpg 修改背景；download-spotlight 修改金色下载按钮；launcher-sweep 修改流光动画。 */
@font-face {
  font-family: Canglan;
  src: url("assets/brand.woff2") format("woff2");
  font-display: swap;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: #081216;
  color: #e8e5db;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 15px;
  line-height: 1.8;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 2px solid #edc780;
  outline-offset: 5px;
}
button {
  border: 0;
}
img {
  max-width: 100%;
  display: block;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h2,
h3 {
  font-family: "Songti SC", SimSun, serif;
  font-weight: 400;
}
em {
  font-style: normal;
  color: #c2ad83;
}
.wrap {
  width: calc(100% - 96px);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.section {
  padding: 110px 0;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 3px;
  color: #c7b28b;
  display: block;
}
.tiny {
  font-size: 10px;
  letter-spacing: 2.5px;
  color: #aa9267;
}
.topbar {
  height: 90px;
  padding: 0 4.5%;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 40px;
  border-bottom: 1px solid rgba(215, 188, 131, 0.102);
  background: linear-gradient(rgba(6, 16, 22, 0.659), transparent);
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  font-family: Canglan, SimSun, serif;
  font-size: 25px;
  white-space: nowrap;
  line-height: 1.25;
  color: #ebd4a5;
}
.brand small {
  font-family: Georgia, serif;
  display: block;
  font-size: 8px;
  letter-spacing: 2px;
  margin-top: 5px;
  color: #a99778;
}
.seal {
  display: inline-grid;
  place-items: center;
  border: 1px solid #a88e57;
  width: 39px;
  height: 45px;
  font-family: Canglan, serif;
  font-size: 25px;
  color: #dec08b;
  box-shadow: inset 0 0 0 3px #09191d;
}
.topbar nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 38px;
  flex: 1;
  height: 100%;
  font-size: 13px;
  color: #aaaead;
}
.topbar nav a {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}
.topbar nav a:hover,
.topbar nav a.active {
  color: #e9d1a2;
}
.topbar nav a.active:after {
  content: "";
  height: 2px;
  background: #c8a366;
  position: absolute;
  bottom: 0;
  width: 100%;
}
.nav-cta {
  padding: 10px 24px;
  border: 1px solid rgba(181, 152, 99, 0.369);
  background: rgba(181, 152, 99, 0.047);
  color: #dcc397;
  font-size: 12px;
}
.nav-cta span {
  margin-left: 20px;
}
.menu-toggle {
  display: none;
  background: none;
  font-size: 24px;
}
.hero {
  height: 850px;
  min-height: 750px;
  position: relative;
  overflow: hidden;
  background: #07141d;
}
.hero-art {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: url("assets/hero.jpg") center/cover no-repeat;
  animation: hero-in 2s ease-out;
}
.hero-vignette {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background:
    linear-gradient(90deg, rgba(6, 17, 27, 0.702), transparent 80%),
    linear-gradient(0deg, #081216 0%, transparent 25%, rgba(8, 18, 22, 0.125) 100%);
}
.hero-copy {
  position: relative;
  padding-top: 163px;
}
.hero .eyebrow {
  display: flex;
  align-items: center;
  gap: 13px;
}
.hero .eyebrow span {
  width: 26px;
  height: 1px;
  background: #bb9e6d;
}
.hero-wordmark {
  margin: 21px 0 23px;
  width: 510px;
  text-align: center;
}
.hero-wordmark p {
  font-family: SimSun, serif;
  letter-spacing: 9px;
  font-size: 14px;
  color: #e0c997;
}
.hero h1 {
  font-family: Canglan, STKaiti, KaiTi, SimSun, serif;
  font-size: 108px;
  line-height: 1.28;
  letter-spacing: 4px;
  font-weight: 400;
  color: #e8c88c;
  background: none;
  -webkit-text-fill-color: #e8c88c;
  filter: drop-shadow(0 5px 12px rgba(0, 0, 0, 0.733));
}
.wordmark-en {
  font-family: Georgia, serif;
  font-size: 10px;
  color: #c4a775;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 15px;
}
.wordmark-en:before,
.wordmark-en:after {
  content: "";
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, transparent, rgba(190, 152, 94, 0.439));
}
.wordmark-en:after {
  transform: rotate(180deg);
}
.hero h2 {
  font-size: 37px;
  line-height: 1.55;
  letter-spacing: 5px;
}
.hero-desc {
  margin-top: 18px;
  color: #aab7bb;
  font-size: 13px;
  line-height: 2;
}
.hero-actions {
  display: flex;
  gap: 13px;
  margin-top: 29px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 45px;
  padding: 15px 28px;
  font-size: 14px;
  letter-spacing: 2px;
  transition:
    filter 0.2s,
    transform 0.2s;
}
.button:hover {
  filter: brightness(1.12);
  transform: translateY(-2px);
}
.primary {
  background: linear-gradient(110deg, #dfc18c, #b68e51);
  color: #19201e;
  box-shadow: inset 0 0 0 1px rgba(241, 214, 159, 0.333);
}
.secondary {
  border: 1px solid rgba(163, 176, 174, 0.333);
  background: rgba(11, 27, 33, 0.502);
  color: #c5d0d1;
}
.hero-tags {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-top: 23px;
  font-size: 10px;
  color: #8e9c9f;
  letter-spacing: 1px;
}
.hero-tags i {
  height: 3px;
  width: 3px;
  background: #ab925f;
  transform: rotate(45deg);
}
.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 9px;
  letter-spacing: 4px;
  color: #8a999b;
  gap: 12px;
}
.scroll-hint b {
  font-size: 22px;
  font-weight: 400;
  color: #ba9f6c;
}
.hero-index {
  position: absolute;
  right: 5%;
  bottom: 50px;
  font: 18px Georgia;
  color: #bfa576;
}
.hero-index span {
  font: 10px sans-serif;
  color: #73848b;
  margin-left: 15px;
  letter-spacing: 2px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 24px 0 30px;
  border-top: 1px solid rgba(185, 158, 95, 0.220);
  border-bottom: 1px solid rgba(185, 158, 95, 0.220);
}
.stats div {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  border-right: 1px solid rgba(135, 147, 143, 0.125);
}
.stats div:last-child {
  border: 0;
}
.stats strong {
  font: 38px Georgia;
  color: #dec28e;
  font-weight: 400;
}
.stats small {
  font: 16px SimSun;
  margin-left: 6px;
}
.stats span {
  font-size: 11px;
  color: #8a9b9e;
  letter-spacing: 1px;
}
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 55px;
}
.section-heading h2 {
  font-size: 37px;
  line-height: 1.55;
  letter-spacing: 2px;
  margin-top: 18px;
}
.section-heading > p {
  max-width: 385px;
  font-size: 13px;
  color: #87999e;
  line-height: 2.1;
  padding-bottom: 5px;
}
.feature-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
}
.feature-lead {
  padding: 32px 37px;
  position: relative;
  border: 1px solid rgba(185, 154, 96, 0.173);
  background: radial-gradient(ellipse at top right, #223637, #101d21 75%);
  min-height: 355px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.feature-number {
  position: absolute;
  top: 25px;
  left: 35px;
  font: 14px Georgia;
  color: #b99f70;
}
.rune {
  position: absolute;
  right: 8px;
  top: 10px;
  font:
    230px Canglan,
    serif;
  color: rgba(186, 165, 124, 0.071);
  line-height: 1;
}
.feature-lead > div:last-child {
  position: relative;
}
.feature-lead h3 {
  font-size: 34px;
  line-height: 1.4;
  margin: 14px 0;
  color: #dbc69e;
}
.feature-lead p {
  max-width: 300px;
  font-size: 12px;
  color: #8ca0a4;
}
.feature-list {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.feature-list article {
  display: flex;
  align-items: center;
  gap: 25px;
  padding: 25px 0;
  border-bottom: 1px solid rgba(170, 190, 173, 0.129);
}
.feature-list article:first-child {
  padding-top: 10px;
}
.feature-list article > span {
  font: 13px Georgia;
  color: #8a7856;
}
.feature-list h3 {
  font-size: 23px;
  letter-spacing: 1px;
  color: #d6d8ce;
}
.feature-list p {
  font-size: 12px;
  color: #81969b;
  margin-top: 7px;
}
.feature-list b {
  margin-left: auto;
  font-size: 25px;
  color: #a0885a;
  font-weight: 400;
}
.equipment {
  background: linear-gradient(#0d1c21, #0a171c);
  border-top: 1px solid rgba(133, 151, 148, 0.082); border-bottom: 1px solid rgba(133, 151, 148, 0.082);
}
.armory {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  min-height: 535px;
  border: 1px solid rgba(169, 146, 96, 0.180);
}
.armory-info {
  padding: 40px 44px;
  background: #091419;
}
.armory-info h3 {
  font-size: 34px;
  letter-spacing: 4px;
  margin: 14px 0;
}
.armory-info > p {
  font-size: 13px;
  color: #83999f;
  max-width: 280px;
  min-height: 75px;
}
.class-tabs {
  margin: 28px 0 22px;
}
.class-tabs button {
  width: 100%;
  padding: 18px 17px;
  display: flex;
  align-items: center;
  gap: 20px;
  text-align: left;
  background: transparent;
  border-bottom: 1px solid rgba(180, 170, 129, 0.133);
  color: #657e87;
  font: 12px Georgia;
}
.class-tabs strong {
  font: 17px SimSun;
  color: #a8b5b7;
  letter-spacing: 4px;
}
.class-tabs span {
  margin-left: auto;
}
.class-tabs button[aria-selected="true"] {
  background: linear-gradient(90deg, rgba(186, 155, 98, 0.188), transparent);
  border-left: 2px solid #d6b678;
  color: #dfbc83;
}
.class-tabs button[aria-selected="true"] strong {
  color: #e4cb9b;
}
.source-note {
  font-size: 10px;
  color: #627a82;
}
.gear-display {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: radial-gradient(ellipse, rgba(47, 61, 53, 0.251), #0a1318 70%);
}
.gear-zoom {
  background: #000;
  padding: 0;
  position: relative;
  margin: 38px 0 25px;
  box-shadow: 0 0 80px rgba(0, 0, 0, 0.533);
  transition: transform 0.3s;
}
.gear-zoom:hover {
  transform: translateY(-4px);
}
.gear-zoom img {
  width: 334px;
  height: 435px;
  object-fit: contain;
}
.gear-zoom > span {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  font-size: 10px;
  background: rgba(4, 10, 11, 0.910);
  color: #c8b185;
  padding: 7px;
}
.orbit {
  position: absolute;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(164, 138, 82, 0.125);
  border-radius: 50%;
  box-shadow:
    0 0 0 25px rgba(164, 138, 82, 0.024),
    0 0 0 75px rgba(164, 138, 82, 0.020);
}
.gear-corner {
  position: absolute;
  left: 22px;
  top: 18px;
  font: 9px Georgia;
  letter-spacing: 2px;
  color: #5f777f;
}
.gear-side {
  position: absolute;
  right: 24px;
  writing-mode: vertical-rl;
  letter-spacing: 6px;
  font-size: 10px;
  color: #647c80;
}
.overview {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  align-items: center;
  gap: 40px;
  background: #050b0e;
  border: 1px solid rgba(169, 146, 96, 0.180);
  width: 100%;
  margin-top: 25px;
  padding: 35px 40px;
  text-align: left;
  overflow: hidden;
}
.overview h3 {
  font-size: 25px;
  margin-top: 10px;
}
.overview p {
  font-size: 12px;
  color: #81959b;
  margin: 12px 0 25px;
}
.overview img {
  height: 235px;
  width: 100%;
  object-fit: contain;
  transition: transform 0.3s;
}
.overview:hover img {
  transform: scale(1.025);
}
.text-link {
  font-size: 11px;
  color: #d3b881;
  letter-spacing: 1px;
}
.text-link b {
  margin-left: 30px;
}
.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  border-top: 1px solid rgba(157, 135, 87, 0.271);
  padding-top: 32px;
}
.timeline article {
  position: relative;
  padding: 0 20px 0 0;
}
.timeline article:before {
  content: "";
  position: absolute;
  top: -37px;
  left: 0;
  width: 8px;
  height: 8px;
  background: #b99a61;
  transform: rotate(45deg);
}
.step {
  position: absolute;
  right: 20px;
  top: -4px;
  font: 66px Georgia;
  color: rgba(186, 156, 95, 0.086);
}
.timeline small {
  color: #a58d60;
  font-size: 11px;
  letter-spacing: 2px;
}
.timeline h3 {
  font-size: 24px;
  margin: 14px 0;
}
.timeline p {
  font-size: 12px;
  color: #81969c;
  max-width: 300px;
}
.faq {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  column-gap: 80px;
}
.faq > h3 {
  grid-row: 1/4;
  font-size: 24px;
  max-width: 220px;
  letter-spacing: 2px;
}
.faq details {
  border-bottom: 1px solid rgba(172, 181, 169, 0.125);
  padding: 17px 0;
}
.faq details:first-of-type {
  padding-top: 0;
}
.faq summary {
  display: flex;
  justify-content: space-between;
  list-style: none;
  cursor: pointer;
  color: #b4c0c0;
  font-size: 13px;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary span {
  color: #b29968;
}
.faq details[open] summary span {
  transform: rotate(45deg);
}
.faq details p {
  padding: 15px 25px 5px 0;
  font-size: 12px;
  color: #7d939b;
}
.closing {
  min-height: 440px;
  position: relative;
  text-align: center;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-top: 1px solid rgba(177, 151, 98, 0.188); border-bottom: 1px solid rgba(177, 151, 98, 0.188);
}
.closing-bg {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background:
    linear-gradient(rgba(7, 19, 24, 0.788), rgba(7, 19, 24, 0.867)),
    url("assets/hero.jpg") center 68% / cover;
}
.closing > div:last-child {
  position: relative;
  padding: 50px 20px;
}
.closing h2 {
  font-size: 42px;
  line-height: 1.5;
  letter-spacing: 7px;
  margin: 18px 0;
  color: #e0ceab;
}
.closing p {
  font-size: 12px;
  color: #9baeb2;
  margin-bottom: 26px;
}
.recharge-link {
  display: block;
  margin: 16px auto 0;
  background: none;
  color: #a28b60;
  font-size: 11px;
}
footer {
  padding-top: 40px; padding-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
footer p {
  font-size: 10px;
  color: #586f77;
  line-height: 2;
}
footer > span {
  font: 10px Georgia;
  color: #738087;
}
dialog {
  background: #0d191f;
  border: 1px solid rgba(168, 140, 88, 0.439);
  color: #ddd5c5;
  width: 94%;
  max-width: 1350px;
  max-height: 92vh;
  padding: 25px;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.733);
}
dialog::backdrop {
  background: rgba(2, 8, 12, 0.867);
  backdrop-filter: blur(8px);
}
.dialog-close {
  position: absolute;
  right: 10px;
  top: 5px;
  z-index: 2;
  font-size: 32px;
  background: transparent;
  color: #c7ac7b;
}
.dialog-close:hover {
  color: white;
}
#lightbox h2 {
  font-size: 18px;
  margin: 0 30px 20px 0;
}
#lightbox img {
  max-height: 73vh;
  margin: auto;
  object-fit: contain;
}
#lightbox p {
  text-align: center;
  font-size: 10px;
  color: #89999d;
  margin-top: 15px;
}
#service-dialog {
  width: 430px;
  text-align: center;
  padding: 40px;
}
#service-dialog h2 {
  font-size: 25px;
  margin: 22px 0 15px;
}
#service-dialog p {
  font-size: 13px;
  color: #9dafb4;
  margin-bottom: 25px;
}
.skip {
  position: fixed;
  left: 15px;
  top: -80px;
  z-index: 100;
  background: #dec18c;
  color: #111;
  padding: 10px;
}
.skip:focus {
  top: 10px;
}
@keyframes hero-in {
  from {
    transform: scale(1.025);
    opacity: 0.6;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}
@media (min-width: 1600px) {
  .hero {
    height: 920px;
  }
  .hero-copy {
    padding-top: 190px;
  }
}
@media (max-width: 1100px) {
  .topbar {
    gap: 25px;
  }
  .topbar nav {
    gap: 23px;
  }
  .wrap {
    width: calc(100% - 64px);
  }
  .stats div {
    gap: 15px;
  }
  .stats strong {
    font-size: 29px;
  }
  .feature-layout {
    gap: 30px;
  }
  .section-heading h2 {
    font-size: 31px;
  }
  .section-heading > p {
    max-width: 320px;
  }
  .armory-info {
    padding: 35px 25px;
  }
  .gear-side {
    right: 12px;
  }
  .overview {
    gap: 20px;
    padding: 30px;
  }
  .faq {
    column-gap: 30px;
  }
  .hero-art {
    background-position: 60% center;
  }
}
@media (max-width: 760px) {
  .topbar {
    height: 76px;
    padding: 0 22px;
    gap: 16px;
  }
  .brand {
    font-size: 22px;
  }
  .seal {
    width: 32px;
    height: 37px;
    font-size: 22px;
  }
  .nav-cta {
    margin-left: auto;
    padding: 8px 12px;
    font-size: 10px;
  }
  .nav-cta span {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .topbar nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 76px;
    background: rgba(9, 22, 31, 0.961);
    height: auto;
    padding: 20px;
    box-shadow: 0 15px 20px rgba(0, 0, 0, 0.533);
  }
  .menu-open nav {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .topbar nav a {
    width: 100%;
    padding: 14px;
  }
  .topbar nav a.active:after {
    display: none;
  }
  .wrap {
    width: calc(100% - 40px);
  }
  .hero {
    height: 790px;
    min-height: 0;
  }
  .hero-art {
    background-position: 67% center;
    opacity: 0.65;
  }
  .hero-vignette {
    background: linear-gradient(90deg, rgba(6, 17, 27, 0.851), rgba(6, 17, 27, 0.314)), linear-gradient(0deg, #081216, transparent 40%);
  }
  .hero-copy {
    padding-top: 135px;
  }
  .hero .eyebrow {
    font-size: 9px;
    letter-spacing: 2px;
  }
  .hero-wordmark {
    width: 100%;
    max-width: 420px;
    text-align: left;
    margin-top: 25px;
  }
  .hero-wordmark p {
    font-size: 11px;
    letter-spacing: 6px;
  }
  .hero h1 {
    font-size: 62px;
    font-size: clamp(62px, 16vw, 94px);
    letter-spacing: 1px;
  }
  .wordmark-en {
    font-size: 8px;
  }
  .hero h2 {
    font-size: 30px;
    margin-top: 27px;
  }
  .hero-desc {
    font-size: 12px;
  }
  .button {
    padding: 14px 22px;
    gap: 27px;
    font-size: 12px;
  }
  .hero-tags {
    gap: 10px;
    font-size: 9px;
  }
  .hero-index {
    right: 20px;
    bottom: 30px;
  }
  .scroll-hint {
    left: 22px;
    bottom: 25px;
    flex-direction: row;
    font-size: 8px;
  }
  .stats {
    grid-template-columns: 1fr 1fr;
    padding: 8px 0;
  }
  .stats div {
    padding: 20px 0;
    justify-content: flex-start;
    gap: 15px;
  }
  .stats div:nth-child(2) {
    border: 0;
  }
  .stats div:nth-child(odd) {
    padding-left: 15px;
  }
  .stats strong {
    font-size: 29px;
  }
  .stats span {
    font-size: 10px;
  }
  .section {
    padding: 70px 0;
  }
  .section-heading {
    display: block;
    margin-bottom: 35px;
  }
  .section-heading h2 {
    font-size: 29px;
  }
  .section-heading > p {
    margin-top: 20px;
    max-width: none;
    font-size: 12px;
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 2px;
  }
  .feature-layout {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .feature-lead {
    min-height: 300px;
    padding: 28px;
  }
  .feature-list article {
    padding: 22px 0;
    gap: 20px;
  }
  .feature-list h3 {
    font-size: 22px;
  }
  .armory {
    grid-template-columns: 1fr;
  }
  .armory-info {
    padding: 30px 25px;
  }
  .armory-info h3 {
    font-size: 28px;
  }
  .armory-info > p {
    min-height: 0;
    max-width: 100%;
    font-size: 12px;
  }
  .class-tabs {
    display: flex;
    margin: 24px 0 10px;
    gap: 7px;
  }
  .class-tabs button {
    padding: 12px 10px;
    gap: 7px;
    justify-content: center;
  }
  .class-tabs span {
    display: none;
  }
  .class-tabs strong {
    font-size: 15px;
    letter-spacing: 1px;
  }
  .class-tabs button[aria-selected="true"] {
    border-left: 0;
    border-bottom: 2px solid #d6b678;
  }
  .gear-display {
    min-height: 500px;
  }
  .gear-zoom {
    margin-top: 40px;
  }
  .gear-side {
    right: 8px;
    font-size: 8px;
    letter-spacing: 3px;
  }
  .overview {
    grid-template-columns: 1fr;
    padding: 27px;
    gap: 20px;
  }
  .overview img {
    height: auto;
  }
  .overview h3 {
    font-size: 24px;
  }
  .overview p {
    margin-bottom: 15px;
  }
  .timeline {
    grid-template-columns: 1fr;
    gap: 35px;
    border-top: 0;
    border-left: 1px solid rgba(157, 135, 87, 0.271);
    margin-left: 7px;
    padding: 0 0 0 25px;
  }
  .timeline article:before {
    left: -30px;
    top: 7px;
  }
  .timeline article {
    padding-bottom: 10px;
  }
  .timeline p {
    max-width: none;
  }
  .timeline h3 {
    font-size: 23px;
  }
  .faq {
    display: block;
    margin-top: 50px;
  }
  .faq h3 {
    max-width: none;
    font-size: 23px;
    margin-bottom: 25px;
  }
  .faq details:first-of-type {
    padding-top: 17px;
  }
  .closing h2 {
    font-size: 34px;
    letter-spacing: 5px;
  }
  footer {
    flex-wrap: wrap;
    gap: 25px;
    padding-top: 30px; padding-bottom: 30px;
  }
  footer p {
    order: 3;
    font-size: 9px;
  }
  footer > span {
    margin-left: auto;
    font-size: 9px;
  }
  #service-dialog {
    padding: 35px 24px;
  }
  .hero-tags i {
    flex-shrink: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
}

/* Full equipment archive and three primary actions. */
.hero-actions {
  flex-wrap: wrap;
}
.overview {
  display: block;
  padding: 38px 32px 28px;
  cursor: default;
}
.overview-heading {
  margin-bottom: 28px;
}
.overview-heading p {
  margin: 10px 0 0;
}
.overview img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  transition: none;
}
.overview:hover img {
  transform: none;
}
@media (max-width: 760px) {
  .hero-actions {
    gap: 10px;
  }
  .hero-actions .button {
    padding: 13px 16px;
    gap: 14px;
    letter-spacing: 1px;
  }
  .overview {
    padding: 25px 12px 12px;
  }
  .overview-heading {
    padding: 0 12px;
    margin-bottom: 20px;
  }
  .overview img {
    height: auto;
  }
}

/* Prominent launcher download: moving gold, light sweep and luminous rim. */
.hero-actions {
  align-items: center;
}
.hero-actions .download-spotlight {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-width: 238px;
  min-height: 66px;
  padding: 18px 29px;
  gap: 35px;
  border: 1px solid #ffe6a7;
  border-radius: 2px;
  background: linear-gradient(
    115deg,
    #b67b27 0%,
    #e9bc59 22%,
    #ffe6a1 43%,
    #e5b454 65%,
    #bc812a 85%,
    #f1ce78 100%
  );
  background-size: 220% 100%;
  color: #30210b;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  text-shadow: 0 1px 0 rgba(255, 240, 181, 0.549);
  box-shadow:
    0 0 0 4px rgba(220, 162, 58, 0.110),
    0 0 26px rgba(230, 174, 69, 0.314),
    inset 0 0 0 3px rgba(255, 217, 130, 0.439),
    inset 0 2px 0 #fff3c8;
  animation:
    launcher-gold 5s ease-in-out infinite,
    launcher-glow 3s ease-in-out infinite;
}
.download-spotlight:before {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
  top: 0; right: 0; bottom: 0; left: 0;
  left: -75%;
  width: 55%;
  background: linear-gradient(90deg, transparent, rgba(255, 245, 211, 0.412), rgba(255, 253, 236, 0.875), rgba(255, 245, 211, 0.412), transparent);
  transform: skewX(-23deg);
  animation: launcher-sweep 3.4s ease-in-out infinite;
}
.download-spotlight:after {
  content: "";
  position: absolute;
  top: 5px; right: 5px; bottom: 5px; left: 5px;
  border: 1px solid rgba(255, 240, 188, 0.522);
  pointer-events: none;
  box-shadow: inset 0 0 10px rgba(255, 234, 173, 0.302);
}
.download-spotlight .download-label,
.download-spotlight .download-icon {
  position: relative;
  z-index: 1;
}
.download-spotlight .download-icon {
  font-size: 24px;
  line-height: 1;
  border-bottom: 2px solid #6e4b1f;
  padding: 0 3px 3px;
  animation: launcher-arrow 2s ease-in-out infinite;
}
.hero-actions .download-spotlight:hover {
  filter: brightness(1.12);
  transform: translateY(-3px);
}
.hero-actions .download-spotlight:focus-visible {
  outline: 3px solid #fff1c4;
  outline-offset: 7px;
}
@keyframes launcher-gold {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}
@keyframes launcher-glow {
  0%,
  100% {
    box-shadow:
      0 0 0 4px rgba(220, 162, 58, 0.110),
      0 0 22px rgba(230, 174, 69, 0.290),
      inset 0 0 0 3px rgba(255, 217, 130, 0.439),
      inset 0 2px 0 #fff3c8;
  }
  50% {
    box-shadow:
      0 0 0 4px rgba(220, 162, 58, 0.149),
      0 0 39px rgba(239, 185, 67, 0.502),
      inset 0 0 0 3px rgba(255, 228, 164, 0.549),
      inset 0 2px 0 #fff3c8;
  }
}
@keyframes launcher-sweep {
  0%,
  12% {
    left: -75%;
    opacity: 0;
  }
  18% {
    opacity: 1;
  }
  60% {
    left: 145%;
    opacity: 1;
  }
  61%,
  100% {
    left: 145%;
    opacity: 0;
  }
}
@keyframes launcher-arrow {
  0%,
  100% {
    transform: translateY(-2px);
  }
  50% {
    transform: translateY(3px);
  }
}
@media (max-width: 760px) {
  .hero-actions .download-spotlight {
    min-width: 196px;
    min-height: 58px;
    padding: 15px 21px;
    font-size: 16px;
    gap: 24px;
  }
  .hero-actions {
    row-gap: 14px;
  }
}
@media (max-width: 420px) {
  .hero-actions .download-spotlight {
    min-width: 0;
    width: 100%;
    justify-content: center;
    min-height: 60px;
  }
  .hero-actions .secondary {
    flex: 1;
    justify-content: center;
  }
}
@media (prefers-reduced-motion: reduce) {
  .hero-actions .download-spotlight,
  .download-spotlight:before,
  .download-spotlight .download-icon {
    animation: none !important;
  }
  .download-spotlight:before {
    display: none;
  }
}

/* ==================== 旧浏览器兼容：标题默认实色金，仅支持时启用渐变 ==================== */
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .hero h1 {
    background: linear-gradient(155deg, #fff3d5 15%, #cfaa68 55%, #876136);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
  }
}
/* 使用间距边距代替 flex gap，兼容旧版 Chromium；网格间距不受影响。 */
.topbar, .brand, .topbar nav, .hero .eyebrow, .wordmark-en, .hero-actions,
.button, .hero-tags, .scroll-hint, .stats div, .section-heading,
.feature-list article, .class-tabs button, footer { gap: 0; }
.topbar > * + * { margin-left: 40px; }
.brand > * + * { margin-left: 13px; }
.topbar nav a + a { margin-left: 38px; }
.hero .eyebrow span { margin-right: 13px; }
.wordmark-en:before { margin-right: 15px; }
.wordmark-en:after { margin-left: 15px; }
.hero-actions { margin-right: -13px; }
.hero-actions > .button { margin-right: 13px; margin-bottom: 14px; }
.button > span:last-child { margin-left: 45px; }
.hero-actions .download-spotlight { gap: 0; }
.download-spotlight > span:last-child { margin-left: 35px; }
.hero-tags { margin-top: 9px; }
.hero-tags > * + * { margin-left: 16px; }
.scroll-hint b { margin-top: 12px; }
.stats div > span { margin-left: 22px; }
.section-heading > p { margin-left: 40px; }
.feature-list article > div { margin-left: 25px; margin-right: 25px; }
.class-tabs strong { margin-left: 20px; }
.seal { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.gear-display { display: flex; align-items: center; justify-content: center; }
.closing { display: flex; align-items: center; justify-content: center; }
.gear-side { top: 35%; }
footer > p { margin: 0 30px; }
button:focus, a:focus, summary:focus { outline: 2px solid #edc780; outline-offset: 4px; }
/* 不支持 Grid 的浏览器仍能看到完整内容，使用基础 Flex 布局。 */
.no-grid .stats { display: flex; flex-wrap: wrap; }
.no-grid .stats > div { width: 25%; }
.no-grid .feature-layout { display: flex; }
.no-grid .feature-lead { width: 40%; }
.no-grid .feature-list { width: 55%; margin-left: 5%; }
.no-grid .armory { display: flex; }
.no-grid .armory-info { width: 40%; }
.no-grid .gear-display { width: 60%; }
.no-grid .timeline { display: flex; }
.no-grid .timeline article { width: 33.333%; padding-right: 30px; }
.no-grid .faq { display: block; }
.no-grid .faq > h3 { max-width: none; margin-bottom: 25px; }
/* 大图查看器采用通用遮罩，不依赖浏览器的 dialog API。 */
.lightbox-overlay { display: none; position: fixed; top: 0; right: 0; bottom: 0; left: 0;
  z-index: 1000; overflow: auto; padding: 24px 3%; background: rgba(2,8,12,.9); }
.lightbox-overlay.is-open { display: block; }
.lightbox-panel { position: relative; width: 100%; max-width: 1350px; margin: 0 auto;
  padding: 25px; background: #0d191f; border: 1px solid #a88c58; color: #ddd5c5; }
body.lightbox-open { overflow: hidden; }
.legacy-details:not([open]) > p { display: none; }
@media (max-width: 1100px) {
  .topbar > * + * { margin-left: 25px; }
  .topbar nav a + a { margin-left: 23px; }
  .stats div > span { margin-left: 15px; }
}
@media (max-width: 760px) {
  .topbar > * + * { margin-left: 16px; }
  .topbar > .nav-cta { margin-left: auto; }
  .topbar > nav { margin-left: 0; }
  .topbar nav a + a { margin-left: 0; }
  .hero-actions { margin-right: -10px; gap: 0; }
  .hero-actions > .button { margin-right: 10px; }
  .hero-actions .button > span:last-child { margin-left: 14px; }
  .hero-actions .download-spotlight > span:last-child { margin-left: 24px; }
  .hero-tags > * + * { margin-left: 10px; }
  .scroll-hint b { margin-top: 0; margin-left: 12px; }
  .section-heading > p { margin-left: 0; }
  .feature-list article > div { margin-left: 20px; margin-right: 20px; }
  .class-tabs { gap: 0; }
  .class-tabs button + button { margin-left: 7px; }
  .class-tabs strong { margin-left: 7px; }
  .no-grid .stats > div { width: 50%; }
  .no-grid .feature-layout, .no-grid .armory, .no-grid .timeline { display: block; }
  .no-grid .feature-lead, .no-grid .feature-list, .no-grid .armory-info,
  .no-grid .gear-display, .no-grid .timeline article { width: 100%; }
  .no-grid .feature-list { margin-left: 0; margin-top: 25px; }
  .no-grid .timeline article + article { margin-top: 35px; }
  footer > p { width: 100%; margin: 25px 0 0; }
}
@media (max-width: 420px) {
  .hero-actions .download-spotlight { width: calc(100% - 10px); }
}
@media (max-width: 380px) {
  .hero h1 { font-size: 54px; }
  .hero h2 { font-size: 27px; letter-spacing: 3px; }
  .hero-tags { letter-spacing: 0; }
}