/* =========================================================
   小怪兽电玩选号网 — 全站样式
   设计：暗黑游戏风 + 现代卡片布局 + 完全响应式
   ========================================================= */

/* ---------- CSS 变量 ---------- */
:root {
  --bg-base:       #0d0f14;
  --bg-card:       #161922;
  --bg-card-hover: #1e2330;
  --bg-sidebar:    #12151d;
  --border:        #252b3b;
  --border-light:  #2e3548;

  --accent-valo:   #ff4655;
  --accent-lol:    #c8a84b;
  --accent-blue:   #4a8cff;
  --accent-green:  #22d97a;

  --text-primary:  #f0f2f7;
  --text-secondary:#9aa3b8;
  --text-muted:    #5a6480;

  --font-main: 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
  --radius-sm:  6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0,0,0,.45);
  --shadow-hover: 0 8px 40px rgba(0,0,0,.6);
  --transition: .2s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- 布局辅助 ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  padding: 80px 0;
}
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: .5rem;
  letter-spacing: -.02em;
}
.section-title span { color: var(--text-muted); font-weight: 400; font-size: 1rem; }
.section-sub { color: var(--text-secondary); margin-bottom: 2.5rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,15,20,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.1rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo-icon { font-size: 1.4rem; }
.logo em { color: var(--accent-valo); font-style: normal; }
.main-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
  flex: 1;
}
.nav-link {
  padding: .4rem .85rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--bg-card);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.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); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% -10%, rgba(255,70,85,.15) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 50%, rgba(74,140,255,.08) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  padding: .3rem .9rem;
  border: 1px solid var(--accent-valo);
  border-radius: 99px;
  font-size: .8rem;
  color: var(--accent-valo);
  margin-bottom: 1.25rem;
  letter-spacing: .05em;
}
.hero-title {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.03em;
  margin-bottom: 1rem;
}
.hero-title .highlight { color: var(--accent-valo); }
.hero-sub {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  line-height: 1.8;
}
.hero-search {
  display: flex;
  max-width: 520px;
  margin: 0 auto 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  background: var(--bg-card);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.hero-search:focus-within {
  border-color: var(--accent-valo);
  box-shadow: 0 0 0 3px rgba(255,70,85,.15);
}
.hero-search input {
  flex: 1;
  background: none;
  border: none;
  padding: .85rem 1.2rem;
  color: var(--text-primary);
  font-size: .95rem;
  outline: none;
}
.hero-search input::placeholder { color: var(--text-muted); }
.hero-search button {
  padding: .85rem 1.5rem;
  background: var(--accent-valo);
  color: #fff;
  font-size: .9rem;
  font-weight: 600;
  transition: background var(--transition);
}
.hero-search button:hover { background: #e03040; }
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; align-items: center; gap: .1rem; }
.stat strong { font-size: 1.6rem; font-weight: 700; color: var(--text-primary); }
.stat span { font-size: .8rem; color: var(--text-muted); }

/* ---------- Game Categories ---------- */
.game-categories { background: var(--bg-base); }
.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.game-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.game-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  opacity: 0;
  transition: opacity var(--transition);
}
.valorant-card::before { background: linear-gradient(90deg, var(--accent-valo), #ff8a94); }
.lol-card::before     { background: linear-gradient(90deg, var(--accent-lol), #f0d080); }
.game-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-light);
}
.game-card:hover::before { opacity: 1; }
.card-link {
  display: block;
  padding: 1.5rem;
  height: 100%;
}
.card-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--accent-valo);
  color: #fff;
  font-size: .7rem;
  font-weight: 600;
  padding: .2rem .55rem;
  border-radius: 99px;
  letter-spacing: .03em;
}
.card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.card-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  flex-shrink: 0;
}
.valo-icon { background: rgba(255,70,85,.15); color: var(--accent-valo); }
.lol-icon  { background: rgba(200,168,75,.15); color: var(--accent-lol); }
.card-title { font-size: 1.05rem; font-weight: 700; }
.card-region { font-size: .82rem; color: var(--text-secondary); margin-top: .15rem; }
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 1rem;
}
.tag {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: .2rem .6rem;
  font-size: .75rem;
  color: var(--text-secondary);
}
.card-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .82rem;
  color: var(--text-muted);
}
.price-hint { color: var(--accent-green); font-weight: 600; }
.card-arrow {
  position: absolute;
  bottom: 1.5rem; right: 1.5rem;
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: transform var(--transition), color var(--transition);
}
.game-card:hover .card-arrow { transform: translateX(4px); color: var(--text-primary); }

/* ---------- Features ---------- */
.features { background: #0a0c11; }
.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
}
.feat-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}
.feat-item:hover { border-color: var(--border-light); transform: translateY(-2px); }
.feat-icon { font-size: 2rem; margin-bottom: .75rem; }
.feat-item h3 { font-size: 1rem; font-weight: 600; margin-bottom: .5rem; }
.feat-item p { font-size: .85rem; color: var(--text-secondary); line-height: 1.7; }

/* ---------- Keyword Cloud ---------- */
.keyword-section { background: var(--bg-base); }
.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}
.kw-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: .4rem 1rem;
  font-size: .85rem;
  color: var(--text-secondary);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.kw-tag:hover {
  color: var(--text-primary);
  border-color: var(--accent-valo);
  background: rgba(255,70,85,.08);
}

/* ---------- Contact ---------- */
.contact-section { background: #0a0c11; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: border-color var(--transition);
}
.contact-card:hover { border-color: var(--accent-blue); }
.contact-icon { font-size: 2.2rem; margin-bottom: 1rem; }
.contact-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: .5rem; }
.contact-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: .5rem;
  word-break: break-all;
}
.contact-desc { font-size: .83rem; color: var(--text-muted); line-height: 1.6; }

/* ---------- Footer ---------- */
.site-footer {
  background: #080a0f;
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 600;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .25rem;
}
.footer-nav a {
  padding: .3rem .7rem;
  font-size: .85rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--text-primary); }
.footer-copy { font-size: .82rem; color: var(--text-muted); }
.footer-disclaimer { font-size: .75rem; color: #3a4260; }

/* =========================================================
   账号列表页 — 筛选侧边栏 + 列表区域
   ========================================================= */

/* 页面头部 */
.page-hero {
  background: linear-gradient(180deg, #121520 0%, var(--bg-base) 100%);
  border-bottom: 1px solid var(--border);
  padding: 48px 0 36px;
}
.page-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text-secondary); }
.breadcrumb .sep { color: var(--border-light); }
.page-title {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: .4rem;
}
.page-title .region-tag {
  display: inline-block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent-valo);
  background: rgba(255,70,85,.1);
  border: 1px solid rgba(255,70,85,.3);
  border-radius: 99px;
  padding: .1rem .6rem;
  margin-left: .6rem;
  vertical-align: middle;
}
.page-desc { font-size: .9rem; color: var(--text-secondary); }

/* 主体布局：侧边栏 + 内容 */
.listing-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.5rem;
  padding: 2rem 0 4rem;
  align-items: start;
}
@media (max-width: 900px) {
  .listing-layout { grid-template-columns: 1fr; }
}

/* 筛选侧边栏 */
.filter-sidebar {
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: sticky;
  top: 80px;
}
.filter-sidebar-title {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
  letter-spacing: .05em;
  text-transform: uppercase;
}
.filter-group { margin-bottom: 1.5rem; }
.filter-group:last-child { margin-bottom: 0; }
.filter-label {
  font-size: .8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .6rem;
  font-weight: 600;
}
.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}
.filter-btn {
  padding: .3rem .7rem;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: .8rem;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--border-light); color: var(--text-primary); }
.filter-btn.active {
  background: var(--accent-valo);
  border-color: var(--accent-valo);
  color: #fff;
}
.filter-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.25rem 0;
}
.filter-price-range {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.filter-price-range input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .4rem .6rem;
  color: var(--text-primary);
  font-size: .82rem;
  width: 0;
  outline: none;
  font-family: inherit;
}
.filter-price-range input:focus { border-color: var(--accent-valo); }
.filter-price-range span { color: var(--text-muted); font-size: .85rem; }
.filter-reset {
  width: 100%;
  margin-top: 1rem;
  padding: .55rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: .82rem;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-reset:hover { color: var(--text-primary); border-color: var(--border-light); }

/* 移动端筛选切换 */
.filter-toggle-btn {
  display: none;
  width: 100%;
  padding: .65rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: .9rem;
  font-weight: 600;
  text-align: left;
  margin-bottom: 1rem;
  gap: .5rem;
  align-items: center;
  justify-content: space-between;
}
@media (max-width: 900px) {
  .filter-toggle-btn { display: flex; }
  .filter-sidebar { position: static; display: none; }
  .filter-sidebar.open { display: block; }
}

/* 工具栏（排序/计数） */
.listing-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.25rem;
}
.result-count { font-size: .88rem; color: var(--text-muted); }
.result-count strong { color: var(--text-primary); }
.sort-options {
  display: flex;
  align-items: center;
  gap: .4rem;
}
.sort-options label { font-size: .82rem; color: var(--text-muted); }
.sort-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: .35rem .7rem;
  font-size: .83rem;
  cursor: pointer;
  outline: none;
  font-family: inherit;
}
.sort-select:focus { border-color: var(--accent-valo); }

/* 账号卡片列表 */
.account-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.account-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
}
.account-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-light);
}
.account-card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: #1a1f2e;
  /* 骨架占位颜色，图片加载前显示 */
}
.account-card-img.loading {
  background: linear-gradient(90deg, #1a1f2e 25%, #232838 50%, #1a1f2e 75%);
  background-size: 200% 100%;
  animation: skeleton 1.4s ease infinite;
}
@keyframes skeleton {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.account-card-body { padding: 1rem; }
.account-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: .6rem;
  gap: .5rem;
}
.account-id { font-size: .78rem; color: var(--text-muted); }
.account-rank-badge {
  padding: .2rem .55rem;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 700;
  white-space: nowrap;
}
.rank-iron      { background: rgba(100,100,110,.3); color: #9a9aa8; }
.rank-bronze    { background: rgba(140,90,50,.3);   color: #c8844a; }
.rank-silver    { background: rgba(140,150,160,.3); color: #a8b4be; }
.rank-gold      { background: rgba(200,180,60,.3);  color: #d4be50; }
.rank-platinum  { background: rgba(80,200,200,.2);  color: #50d0d0; }
.rank-diamond   { background: rgba(100,120,220,.25);color: #8090e0; }
.rank-ascendant { background: rgba(60,200,100,.2);  color: #50c878; }
.rank-immortal  { background: rgba(200,60,80,.25);  color: #e04050; }
.rank-radiant   { background: rgba(255,210,50,.25); color: #ffd232; }
.account-title { font-size: .95rem; font-weight: 600; margin-bottom: .5rem; line-height: 1.4; }
.account-attrs {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-bottom: .85rem;
}
.attr-chip {
  font-size: .74rem;
  padding: .18rem .5rem;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 99px;
  color: var(--text-secondary);
}
.account-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.account-price {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-valo);
}
.account-price .unit { font-size: .8rem; font-weight: 400; }
.btn-buy {
  padding: .45rem 1rem;
  background: var(--accent-valo);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: .82rem;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}
.btn-buy:hover { background: #e03040; transform: scale(1.03); }
.btn-buy-lol { background: var(--accent-lol); color: #1a1200; }
.btn-buy-lol:hover { background: #b09030; }

/* 空状态 */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h3 { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: .5rem; }

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .4rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}
.page-btn {
  min-width: 38px;
  height: 38px;
  padding: 0 .5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: .85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.page-btn:hover { border-color: var(--border-light); color: var(--text-primary); }
.page-btn.active {
  background: var(--accent-valo);
  border-color: var(--accent-valo);
  color: #fff;
  font-weight: 700;
}
.page-btn:disabled { opacity: .35; cursor: not-allowed; }

/* 账号详情页 */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 2rem;
  padding: 2rem 0 4rem;
  align-items: start;
}
@media (max-width: 900px) {
  .detail-layout { grid-template-columns: 1fr; }
}
.detail-gallery { border-radius: var(--radius-md); overflow: hidden; }
.gallery-main img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--bg-card);
}
.gallery-thumbs {
  display: flex;
  gap: .5rem;
  margin-top: .5rem;
}
.gallery-thumb {
  width: 80px; height: 50px;
  object-fit: cover;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition);
}
.gallery-thumb.active { border-color: var(--accent-valo); }
.detail-info { }
.detail-title { font-size: 1.4rem; font-weight: 700; margin-bottom: .75rem; }
.detail-price { font-size: 2rem; font-weight: 800; color: var(--accent-valo); margin-bottom: 1.25rem; }
.detail-price .unit { font-size: 1rem; }
.detail-attrs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .6rem;
  margin-bottom: 1.5rem;
}
.detail-attr {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem;
}
.detail-attr-label { font-size: .75rem; color: var(--text-muted); margin-bottom: .2rem; }
.detail-attr-value { font-size: .92rem; font-weight: 600; }
.detail-actions { display: flex; flex-direction: column; gap: .75rem; }
.btn-primary {
  width: 100%;
  padding: .9rem;
  background: var(--accent-valo);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  transition: background var(--transition);
  text-align: center;
  display: block;
}
.btn-primary:hover { background: #e03040; }
.btn-secondary {
  width: 100%;
  padding: .9rem;
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-size: .95rem;
  font-weight: 600;
  text-align: center;
  display: block;
  transition: background var(--transition), border-color var(--transition);
}
.btn-secondary:hover { background: var(--bg-card-hover); }

/* 加载动画 */
.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent-valo);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 2rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =========================================================
   响应式断点
   ========================================================= */
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero { padding: 72px 0 56px; }
  .hero-stats { gap: 1.5rem; }
  .stat strong { font-size: 1.3rem; }
  .main-nav { display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; background: var(--bg-card); border-bottom: 1px solid var(--border);
    padding: 1rem; gap: .25rem; }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .game-grid { grid-template-columns: 1fr 1fr; }
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .account-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .game-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .account-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2rem; }
  .section-title { font-size: 1.4rem; }
  .detail-attrs-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   性能优化：减少重绘
   ========================================================= */
.game-card, .account-card, .feat-item { will-change: transform; contain: layout style; }

/* =========================================================
   账号卡片 — 皮肤/英雄数量突出展示（新样式）
   ========================================================= */

/* 区服标签 */
.region-pill {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .18rem .55rem;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 600;
  background: rgba(255,70,85,.1);
  color: var(--accent-valo);
  border: 1px solid rgba(255,70,85,.25);
  white-space: nowrap;
}
.region-pill-lol {
  background: rgba(200,168,75,.1);
  color: var(--accent-lol);
  border-color: rgba(200,168,75,.25);
}

/* Valorant — 皮肤数量高亮区块 */
.skin-highlight {
  display: flex;
  align-items: baseline;
  gap: .35rem;
  margin: .6rem 0;
  padding: .5rem .75rem;
  background: rgba(255,70,85,.07);
  border: 1px solid rgba(255,70,85,.18);
  border-radius: var(--radius-sm);
}
.skin-count-icon { font-size: 1rem; }
.skin-count-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-valo);
  line-height: 1;
}
.skin-count-label {
  font-size: .78rem;
  color: var(--text-secondary);
}

/* LOL — 英雄 + 皮肤数量双行展示 */
.lol-highlights {
  display: flex;
  gap: .5rem;
  margin: .6rem 0;
}
.lol-stat {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: .3rem;
  padding: .45rem .6rem;
  background: rgba(200,168,75,.07);
  border: 1px solid rgba(200,168,75,.18);
  border-radius: var(--radius-sm);
}
.lol-stat-icon { font-size: .9rem; }
.lol-stat-num {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-lol);
  line-height: 1;
}
.lol-stat-label {
  font-size: .72rem;
  color: var(--text-secondary);
}
.lol-price { color: var(--accent-lol) !important; }

/* =========================================================
   骨架屏 (Skeleton Loading)
   ========================================================= */
.skeleton-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  overflow: hidden;
  pointer-events: none;
}
.skeleton-img {
  width: 100%;
  height: 160px;
  background: linear-gradient(90deg, #1a1f2e 25%, #232838 50%, #1a1f2e 75%);
  background-size: 200% 100%;
  animation: skeleton 1.4s ease infinite;
}
.skeleton-line {
  border-radius: 4px;
  background: linear-gradient(90deg, #1a1f2e 25%, #232838 50%, #1a1f2e 75%);
  background-size: 200% 100%;
  animation: skeleton 1.4s ease infinite;
  margin: 0 0 .5rem;
}
@keyframes skeleton {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* =========================================================
   收藏按钮（Wishlist）
   ========================================================= */
.account-card { position: relative; }
.wish-btn {
  position: absolute; top: 8px; right: 8px; z-index: 10;
  background: rgba(0,0,0,.5); border: none; border-radius: 50%;
  width: 32px; height: 32px; font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, transform .15s;
  backdrop-filter: blur(4px); padding: 0;
}
.wish-btn:hover { background: rgba(0,0,0,.75); transform: scale(1.15); }
.wish-btn.active { background: rgba(255,70,85,.35); }

/* =========================================================
   微信二维码
   ========================================================= */
.wechat-qr-wrap { margin: .6rem auto; text-align: center; }
.wechat-qr-img {
  width: 120px; height: 120px; border-radius: 8px;
  border: 2px solid var(--border-light); object-fit: cover;
}
.btn-copy-wechat {
  margin-top: .5rem; padding: .38rem 1rem; font-size: .8rem;
  font-family: inherit; background: rgba(7,193,96,.12);
  color: #07c160; border: 1px solid rgba(7,193,96,.3);
  border-radius: 99px; cursor: pointer; transition: background .2s; display: inline-block;
}
.btn-copy-wechat:hover { background: rgba(7,193,96,.25); }

/* =========================================================
   售出状态（详情页）
   ========================================================= */
.sold-notice {
  text-align: center; padding: 1.5rem 1rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.sold-notice-icon { font-size: 2rem; margin-bottom: .4rem; }
.sold-notice-text {
  font-size: 1.1rem; font-weight: 700;
  color: var(--text-muted); margin-bottom: 1rem;
}
.btn-back-browse {
  display: inline-block; padding: .7rem 1.5rem;
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); color: var(--text-secondary);
  font-weight: 600; text-decoration: none; transition: background var(--transition);
}
.btn-back-browse:hover { background: var(--bg-card-hover); }
.gallery-sold-overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md); pointer-events: none;
}
.gallery-sold-badge {
  background: rgba(255,70,85,.9); color: #fff;
  font-size: 1.2rem; font-weight: 800;
  padding: .45rem 1.4rem; border-radius: 99px; letter-spacing: .04em;
}