/* 从 ldy/index.html 复制，html 根 10px，px÷10=rem，原 rem×1.6 */
:root {
  --ice-blue: #4fc3f7;
  --deep-blue: #0a1628;
  --deep-bg: #080c14;
  --dark-bg: #121825;
  --frost-border: #2d4a6d;
  --frost-glow: #81d4fa;
  --frost-light: #b3e5fc;
  --gold: #d4a574;
  --gold-bright: #f0c060;
  --silver: #a8b5c4;
  --silver-bright: #e0e6ed;
  --purple-dark: #4a148c;
  --purple-glow: #ce93d8;
  --text-light: #e8eef4;
  --text-frost: #90caf9;
  --status-green: #69f0ae;
  --status-yellow: #ffee58;
  --status-red: #ff5252;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 10px;
  scroll-behavior: smooth;
}

body {
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    "Fira Sans",
    "Droid Sans",
    "Helvetica Neue",
    "Noto Serif SC",
    sans-serif;
  font-size: 1.6rem;
  background: var(--deep-bg);
  color: var(--text-light);
  overflow-x: hidden;
}

#hero,
#features,
#status,
#about,
#download,
#contact {
  scroll-margin-top: 8rem;
}

.font-cinzel {
  font-family: "Cinzel", "Almendra", serif;
}

.font-wow-title {
  font-family: "Cinzel", "Almendra", serif;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.font-wow-subtitle {
  font-family: "Noto Serif SC", serif;
  font-weight: 600;
  letter-spacing: 0.08em;
}

/* ========== 导航 ========== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent);
  backdrop-filter: blur(0.4rem);
}

.site-nav__inner {
  max-width: 128rem;
  margin: 0 auto;
  padding: 1.6rem 2.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-nav__brand {
  font-family: "Cinzel", "Almendra", serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

.site-nav__links {
  display: none;
  align-items: center;
  gap: 3.2rem;
}

.site-nav__link {
  color: #d1d5db;
  font-weight: 500;
  font-size: 1.6rem;
  text-decoration: none;
  transition: color 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.site-nav__link:hover,
.site-nav__link--active {
  color: var(--frost-glow);
}

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.site-nav__online {
  font-size: 1.4rem;
  color: #4ade80;
}

.nav-icon {
  display: inline-block;
  line-height: 1;
  font-style: normal;
}

.nav-icon--gap {
  margin-right: 0.25em;
}

.nav-icon--sm {
  font-size: 1.04rem;
  color: #9ca3af;
  margin-left: 0.4rem;
}

.nav-icon--coin {
  width: 1.6rem;
  height: 1.6rem;
  object-fit: contain;
  vertical-align: -0.2rem;
}

.nav-icon--crystal {
  width: 1.6rem;
  height: 1.6rem;
  object-fit: contain;
  vertical-align: -0.2rem;
}

.nav-login-btn {
  padding: 0.8rem 1.6rem;
  background: rgba(79, 195, 247, 0.15);
  border: 1px solid var(--frost-border);
  border-radius: 0.4rem;
  color: var(--frost-light);
  font-size: 1.4rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-login-btn:hover {
  background: rgba(79, 195, 247, 0.3);
  border-color: var(--frost-glow);
  box-shadow: 0 0 1.5rem rgba(129, 212, 250, 0.3);
}

#hiwow-nav-auth {
  display: flex;
  align-items: center;
  min-height: 4rem;
}

.nav-user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.4rem 1.2rem 0.4rem 0.4rem;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--frost-border);
  border-radius: 999px;
  cursor: pointer;
  position: relative;
  text-decoration: none;
  color: inherit;
}

.nav-user-trigger {
  transition: border-color 0.3s ease;
}

.nav-user-trigger:hover {
  border-color: var(--ice-blue);
  background: rgba(79, 195, 247, 0.2);
}

/* 头像样式见 NavUserAvatar.vue */

.nav-user-name {
  font-size: 1.4rem;
  color: #fff;
}
.nav-user-trigger:hover .nav-user-name {
  color: var(--ice-blue);
}
.user-dropdown {
  position: absolute;
  top: calc(100% + 0.8rem);
  right: 0;
  min-width: 15rem;
  background: linear-gradient(145deg, #1a1a2e, #0a0e17);
  border: 1px solid var(--frost-border);
  border-radius: 0.8rem;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.5rem);
  transition: all 0.25s ease;
  z-index: 100;
  box-shadow:
    0 0.8rem 2.5rem rgba(0, 0, 0, 0.6),
    0 0 1.5rem rgba(79, 195, 247, 0.15);
}

.user-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.6rem;
  color: #d0d5dc;
  font-size: 1.36rem;
  cursor: pointer;
}

.user-dropdown-item:hover {
  background: rgba(79, 195, 247, 0.12);
  color: #fff;
}

.user-dropdown-item.logout-item {
  color: #ff7070;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.hidden {
  display: none !important;
}

.status-indicator {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
}

.status-online {
  background: var(--status-green);
  box-shadow: 0 0 1rem var(--status-green);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0%,
  100% {
    box-shadow: 0 0 1rem var(--status-green);
  }
  50% {
    box-shadow:
      0 0 2rem var(--status-green),
      0 0 3rem var(--status-green);
  }
}

/* ========== 首屏 ========== */
#particles-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 0.3rem;
  height: 0.3rem;
  background: rgba(179, 229, 252, 0.8);
  border-radius: 50%;
  animation: fall linear infinite;
  box-shadow:
    0 0 0.8rem rgba(129, 212, 250, 0.6),
    0 0 1.5rem rgba(79, 195, 247, 0.3);
}

@keyframes fall {
  0% {
    transform: translateY(-1rem) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) translateX(3rem) rotate(360deg);
    opacity: 0;
  }
}

.hero-bg {
  position: relative;
  min-height: 100vh;
  padding-top: 8rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    180deg,
    rgba(8, 12, 20, 0.5) 0%,
    rgba(10, 22, 40, 0.6) 40%,
    rgba(8, 12, 20, 0.95) 100%
  );
  pointer-events: none;
}

.hero-bg video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  object-fit: cover;
}

.hero-bg__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(8, 18, 28, 0.4),
    rgba(10, 22, 40, 0.2),
    #080c14
  );
}

.hero-bg__content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 1.6rem;
  max-width: 115.2rem;
  margin: 0 auto;
  width: 100%;
}

.hero-bg__title-main {
  display: block;
  font-size: 3.6rem;
  color: #e8eef4;
  text-shadow:
    0 0 3rem rgba(129, 212, 250, 0.5),
    0 0 6rem rgba(79, 195, 247, 0.3),
    0 0.4rem 0.8rem rgba(0, 0, 0, 0.8);
}

.hero-bg__title-sub {
  display: block;
  font-size: 2.4rem;
  margin-top: 1.6rem;
  color: #90caf9;
  text-shadow:
    0 0 2rem rgba(144, 202, 249, 0.4),
    0 0.2rem 0.4rem rgba(0, 0, 0, 0.6);
}

.hero-bg__desc {
  font-size: 1.6rem;
  color: rgba(179, 229, 252, 0.9);
  margin: 2.4rem auto 4rem;
  max-width: 89.6rem;
  line-height: 1.625;
}

.hero-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  margin-bottom: 4.8rem;
  max-width: 102.4rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-card {
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  border-radius: 1.2rem;
  padding: 2rem 2.4rem;
  text-align: left;
  backdrop-filter: blur(0.4rem);
}

.hero-card--ice {
  background: linear-gradient(
    to bottom,
    rgba(13, 40, 64, 0.6),
    rgba(6, 18, 32, 0.4)
  );
  border: 1px solid rgba(45, 74, 109, 0.5);
}

.hero-card--gold {
  background: linear-gradient(
    to bottom,
    rgba(61, 42, 16, 0.6),
    rgba(26, 16, 8, 0.4)
  );
  border: 1px solid rgba(107, 68, 35, 0.5);
}

.hero-card--purple {
  background: linear-gradient(
    to bottom,
    rgba(42, 16, 64, 0.6),
    rgba(13, 5, 24, 0.4)
  );
  border: 1px solid rgba(74, 20, 140, 0.5);
}

.hero-card__head {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}

.hero-card__emoji {
  font-size: 3rem;
}

.hero-card__name {
  font-size: 1.8rem;
  color: var(--frost-glow);
}

.hero-card--gold .hero-card__name {
  color: var(--gold-bright);
}
.hero-card--purple .hero-card__name {
  color: var(--purple-glow);
}

.hero-card__text {
  font-size: 1.4rem;
  color: rgba(168, 181, 196, 0.8);
  line-height: 1.625;
}

.hero-card__foot {
  font-size: 1.4rem;
  margin-top: 1.2rem;
  font-weight: 500;
}

.hero-card:hover {
  transform: translateY(-0.4rem);
  box-shadow: 0 0.8rem 3rem rgba(79, 195, 247, 0.2);
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  align-items: center;
  justify-content: center;
}

.hero-scroll {
  margin-top: 4.8rem;
  animation: bounce 2s infinite;
  font-size: 2.4rem;
  color: #22d3ee;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-0.8rem);
  }
}

/* ========== 按钮 ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1.6rem 4rem;
  font-family: "Cinzel", serif;
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--text-light);
  background: linear-gradient(145deg, #1a3a5a, #0d2840);
  border: 0.2rem solid var(--frost-border);
  cursor: pointer;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  border-color: var(--frost-glow);
  box-shadow: 0 0 2rem rgba(102, 204, 255, 0.4);
  transform: translateY(-0.2rem);
}

.btn-gold {
  background: linear-gradient(145deg, #4a3a00, #2d2400);
  border-color: var(--gold);
}

/* ========== 通用区块 ========== */
.page-section {
  padding: 8rem 2.4rem;
  position: relative;
}

.container-6xl {
  max-width: 115.2rem;
  margin: 0 auto;
}
.container-5xl {
  max-width: 102.4rem;
  margin: 0 auto;
}
.container-4xl {
  max-width: 89.6rem;
  margin: 0 auto;
}

.section-title {
  font-family: "Cinzel", serif;
  font-size: 4rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.6rem;
  background: linear-gradient(180deg, #fff 0%, var(--frost-glow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  text-align: center;
  color: #9ca3af;
  margin-bottom: 6.4rem;
  font-size: 1.6rem;
}

.section-desc--silver {
  color: rgba(168, 181, 196, 0.6);
}

.rune-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  padding: 3.2rem 0;
  font-size: 2.4rem;
  color: var(--frost-glow);
  text-shadow: 0 0 1rem var(--frost-glow);
}

.rune-divider::before,
.rune-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--frost-border),
    transparent
  );
}

.metal-border {
  position: relative;
  border: 0.2rem solid var(--frost-border);
  background: linear-gradient(
    145deg,
    rgba(42, 58, 90, 0.3),
    rgba(10, 14, 23, 0.8)
  );
  border-radius: 1.6rem;
  padding: 3.2rem;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 0 2rem rgba(0, 136, 204, 0.2),
    0 0.4rem 2rem rgba(0, 0, 0, 0.5);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.4rem;
}

.feature-card {
  transition: all 0.4s ease;
  text-align: center;
  overflow: hidden;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-0.8rem);
  box-shadow: 0 1rem 4rem rgba(0, 136, 204, 0.3);
}

.card-icon {
  width: 9.6rem;
  height: 9.6rem;
  margin: 0 auto 2.4rem;
  border-radius: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.6rem;
  color: #fff;
  position: relative;
  z-index: 10;
}

.card-icon--cyan {
  background: linear-gradient(to bottom right, #06b6d4, #1d4ed8);
}
.card-icon--yellow {
  background: linear-gradient(to bottom right, #eab308, #ea580c);
}
.card-icon--purple {
  background: linear-gradient(to bottom right, #a855f7, #6d28d9);
}

.feature-card__title {
  font-family: "Cinzel", serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.6rem;
}

.feature-card__text {
  color: #d1d5db;
  line-height: 1.625;
  margin-bottom: 1.6rem;
  font-size: 1.6rem;
}

.feature-list {
  list-style: none;
  text-align: left;
  font-size: 1.4rem;
  color: #9ca3af;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.feature-list li::before {
  content: "✓";
  color: #22d3ee;
  font-weight: 700;
}

.feature-card--yellow .feature-list li::before {
  color: #facc15;
}
.feature-card--purple .feature-list li::before {
  color: #c084fc;
}

.feature-card__tag {
  font-size: 1.4rem;
  margin-top: 2.4rem;
  font-weight: 500;
}

.feature-card--cyan .feature-card__tag {
  color: #22d3ee;
}
.feature-card--yellow .feature-card__tag {
  color: #facc15;
}
.feature-card--purple .feature-card__tag {
  color: #c084fc;
}

/* 服务器状态 */
.status-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.2rem;
}

.status-item__label {
  color: #6b7280;
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

.status-item__value {
  font-family: "Cinzel", serif;
  font-size: 3rem;
}

.status-item__value--cyan {
  color: #67e8f9;
}
.status-item__value--white {
  color: #fff;
}
.status-item__value--green {
  color: #4ade80;
  font-size: 2.4rem;
}

.status-item__sub {
  color: #9ca3af;
  font-size: 1.4rem;
  margin-top: 0.4rem;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-top: 0.8rem;
}

/* 关于我们 */
.about-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3.2rem;
  margin-bottom: 4.8rem;
}

.about-icon-box {
  width: 12.8rem;
  height: 12.8rem;
  flex-shrink: 0;
  background: linear-gradient(to bottom right, #06b6d4, #1d4ed8);
  border-radius: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4.8rem;
}

.about-text {
  text-align: center;
}

.about-text h3 {
  font-family: "Cinzel", serif;
  font-size: 2.4rem;
  margin-bottom: 1.6rem;
}

.about-text p {
  color: #d1d5db;
  line-height: 1.625;
  margin-bottom: 1.6rem;
  font-size: 1.6rem;
}

.about-text .highlight {
  color: #22d3ee;
  font-weight: 500;
}

.stat-box {
  border-radius: 1.2rem;
  padding: 2.4rem;
  text-align: center;
  border: 1px solid;
}

.stat-box--cyan {
  background: linear-gradient(to bottom, rgba(22, 78, 99, 0.3), transparent);
  border-color: rgba(6, 182, 212, 0.3);
}
.stat-box--yellow {
  background: linear-gradient(to bottom, rgba(120, 53, 15, 0.3), transparent);
  border-color: rgba(234, 179, 8, 0.3);
}
.stat-box--green {
  background: linear-gradient(to bottom, rgba(20, 83, 45, 0.3), transparent);
  border-color: rgba(34, 197, 94, 0.3);
}
.stat-box--purple {
  background: linear-gradient(to bottom, rgba(88, 28, 135, 0.3), transparent);
  border-color: rgba(168, 85, 247, 0.3);
}

.stat-box__num {
  font-family: "Cinzel", serif;
  font-size: 3.6rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.stat-box--cyan .stat-box__num {
  color: #22d3ee;
}
.stat-box--yellow .stat-box__num {
  color: #facc15;
}
.stat-box--green .stat-box__num {
  color: #4ade80;
}
.stat-box--purple .stat-box__num {
  color: #c084fc;
}

.stat-box__label {
  color: #9ca3af;
  font-size: 1.4rem;
}

.quote-box {
  text-align: center;
  margin-top: 4.8rem;
}

.quote-box__inner {
  display: inline-block;
  background: linear-gradient(
    to right,
    rgba(22, 78, 99, 0.5),
    rgba(88, 28, 135, 0.5)
  );
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 999rem;
  padding: 1.6rem 3.2rem;
}

.quote-box p {
  color: #d1d5db;
  font-size: 1.8rem;
}

.quote-box .highlight {
  color: #22d3ee;
  font-weight: 500;
  margin-top: 0.8rem;
}

/* 下载区 */
.download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.4rem;
}

.download-card {
  background: linear-gradient(
    145deg,
    rgba(26, 26, 46, 0.9),
    rgba(10, 14, 23, 0.95)
  );
  border: 1px solid var(--frost-border);
  border-radius: 1.2rem;
  padding: 2.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.6rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.download-card:hover {
  border-color: var(--ice-blue);
  transform: translateY(-0.5rem);
  box-shadow: 0 1rem 3rem rgba(0, 136, 204, 0.2);
}

.download-card__icon {
  width: 8rem;
  height: 8rem;
  border-radius: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: #fff;
}

.download-card__icon--cyan {
  background: linear-gradient(to bottom right, #06b6d4, #1d4ed8);
}
.download-card__icon--purple {
  background: linear-gradient(to bottom right, #a855f7, #db2777);
}
.download-card__icon--green {
  background: linear-gradient(to bottom right, #22c55e, #059669);
}

.download-card h3 {
  font-family: "Cinzel", serif;
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
}

.download-card p {
  color: #9ca3af;
  font-size: 1.4rem;
}

.download-card__badge {
  padding: 0.8rem 1.6rem;
  border-radius: 999rem;
  font-size: 1.4rem;
}

.download-card__badge--cyan {
  background: rgba(6, 182, 212, 0.2);
  color: #22d3ee;
}
.download-card__badge--purple {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
}
.download-card__badge--green {
  background: rgba(34, 197, 94, 0.2);
  color: #4ade80;
}

.download-card__tag {
  position: absolute;
  top: 0;
  right: 0;
  background: linear-gradient(to bottom left, #a855f7, #ec4899);
  color: #fff;
  font-size: 1.2rem;
  padding: 0.4rem 1.2rem;
  border-bottom-left-radius: 0.8rem;
}

.rating-box {
  text-align: center;
  margin-top: 4.8rem;
}

.rating-box p {
  color: #9ca3af;
  margin-bottom: 1.6rem;
}

.rating-stars {
  color: #facc15;
  font-size: 1.6rem;
  letter-spacing: 0.4rem;
}

/* 页脚 */
.footer-decoration {
  background: linear-gradient(180deg, transparent, rgba(79, 195, 247, 0.05));
  border-top: 1px solid var(--frost-border);
  padding: 6.4rem 2.4rem;
  margin-top: 8rem;
}

.footer-inner {
  max-width: 89.6rem;
  margin: 0 auto;
  text-align: center;
}

.footer-inner h3 {
  font-family: "Cinzel", serif;
  font-size: 2rem;
  margin-bottom: 1.6rem;
}

.footer-inner p {
  color: #9ca3af;
  margin-bottom: 1.6rem;
  font-size: 1.6rem;
}

.footer-qq {
  font-family: "Cinzel", serif;
  font-size: 2.4rem;
  color: #67e8f9;
  letter-spacing: 0.1em;
}

.footer-copy {
  color: #4b5563;
  font-size: 1.2rem;
  margin-top: 4.8rem;
}

.footer-skull {
  margin-top: 4.8rem;
  opacity: 0.3;
  font-size: 3.6rem;
  color: #0e7490;
}

/* 滚动动画 */
.fade-in {
  opacity: 0;
  transform: translateY(3rem);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

::-webkit-scrollbar {
  width: 0.8rem;
}
::-webkit-scrollbar-track {
  background: var(--deep-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--frost-border);
  border-radius: 0.4rem;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ice-blue);
}

.text-gold-bright {
  color: var(--gold-bright);
  font-weight: 700;
}

@media (min-width: 640px) {
  .site-nav__online {
    display: inline;
  }
  .hero-cta {
    flex-direction: row;
  }
  .hero-bg__title-main {
    font-size: 4.8rem;
  }
  .hero-bg__title-sub {
    font-size: 3rem;
  }
}

@media (min-width: 768px) {
  .site-nav__brand {
    font-size: 2rem;
  }
  .site-nav__links {
    display: flex;
  }
  .hero-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.4rem;
  }
  .hero-bg__title-main {
    font-size: 6rem;
  }
  .hero-bg__title-sub {
    font-size: 3.6rem;
  }
  .hero-bg__desc {
    font-size: 2rem;
  }
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
  .status-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4.8rem;
  }
  .status-item {
    text-align: left;
  }
  .about-row {
    flex-direction: row;
  }
  .about-text {
    text-align: left;
  }
  .download-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .metal-border--lg {
    padding: 4.8rem;
  }
}

@media (min-width: 1024px) {
  .hero-bg__title-main {
    font-size: 7.2rem;
  }
  .hero-bg__title-sub {
    font-size: 4.8rem;
  }
  .download-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .hero-bg__title-main {
    font-size: 9.6rem;
  }
}

@media (max-width: 639px) {
  .site-nav__online {
    display: none;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2.88rem;
  }
  .btn-primary {
    padding: 1.28rem 2.4rem;
    font-size: 1.44rem;
  }
  .feature-card {
    padding: 2.4rem !important;
  }
  .card-icon {
    width: 6rem !important;
    height: 6rem !important;
  }
  .download-card {
    padding: 1.6rem !important;
  }
  .metal-border {
    padding: 2.4rem !important;
  }
}

@media (max-width: 640px) {
  .site-nav__inner {
    padding-left: 1.6rem;
    padding-right: 1.6rem;
  }
  .rune-divider {
    padding: 1.6rem 0;
    font-size: 1.92rem;
  }
  .footer-decoration {
    padding: 3.2rem 1.6rem !important;
  }
}

/* 微信公众号二维码弹窗 */
.wx-community-dialog {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.6rem;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
}

.wx-community-dialog.is-open {
  display: flex;
}

.wx-community-dialog__panel {
  position: relative;
  width: min(92vw, 36rem);
  padding: 2.4rem 2rem 4rem;
  text-align: center;
  background: linear-gradient(160deg, #1a2438 0%, #0d121c 100%);
  border: 1px solid rgba(129, 212, 250, 0.35);
  border-radius: 1.2rem;
  box-shadow: 0 1.6rem 4.8rem rgba(0, 0, 0, 0.45);
}

.wx-community-dialog__close {
  position: absolute;
  top: 0.8rem;
  right: 1rem;
  border: none;
  background: transparent;
  color: var(--silver-bright);
  font-size: 2.4rem;
  line-height: 1;
  cursor: pointer;
}

.wx-community-dialog__title {
  margin: 0 0 0.8rem;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold-bright);
}

.wx-community-dialog__desc {
  margin: 0 0 1.6rem;
  font-size: 1.4rem;
  color: var(--silver);
}

.wx-community-dialog__qr {
  display: block;
  width: min(72vw, 22rem);
  height: auto;
  margin: 0 auto;
  border-radius: 0.8rem;
  background: #fff;
}