/* ==========================================================================
   GAME HALL · Mobile & Showcase Polish (手机端体验优化与展柜对齐修复)
   Style: Victorian Industrial / Archival Museum Exhibition
   ========================================================================== */

/* 全局移动端基础体验 */
@media (max-width: 900px) {
  html, body {
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
  }

  /* 导航栏触控友好 (44px+ 触控目标) */
  .site-header {
    min-height: 58px;
    padding: 0 clamp(14px, 4vw, 24px);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .site-header .wordmark strong {
    font-size: 1rem;
    letter-spacing: .12em;
  }

  .site-header .wordmark span {
    font-size: .44rem;
    letter-spacing: .14em;
  }

  .menu-button,
  .header-curator {
    min-height: 44px;
    min-width: 44px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .52rem;
    letter-spacing: .12em;
  }

  /* 修复首屏展台 (Exhibition Floor) 居中与对齐，删除多余垂直空白 */
  .exhibition-floor {
    min-height: auto !important;
    padding: 85px 16px 45px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 24px !important;
  }

  .exhibition-copy {
    text-align: center;
    max-width: 420px;
    padding: 0;
  }

  .exhibition-copy h1 {
    font-size: clamp(2.6rem, 11vw, 4rem) !important;
    line-height: .96 !important;
    margin: .5rem 0 .8rem !important;
  }

  .exhibition-copy p:last-child {
    margin: .6rem 0 0 !important;
    font-size: .82rem !important;
    line-height: 1.6 !important;
  }

  .display-zone {
    width: 100% !important;
    max-width: 360px !important;
    padding-bottom: 0 !important;
    margin: 0 auto !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
  }

  .case-label {
    width: 100%;
    margin-bottom: 8px;
  }

  .glass-display-case {
    width: 100% !important;
    height: 310px !important;
    min-height: 0 !important;
    max-height: none !important;
    margin: 0 auto !important;
  }

  .featured-box {
    transform: scale(0.92) !important;
  }

  .stone-plinth {
    width: 90% !important;
    height: 38px !important;
    margin: -10px auto 0 !important;
  }

  /* 重点藏品铜牌在手机端居中平贴在基座下方，不再悬空或右偏出界 */
  .museum-plaque {
    position: relative !important;
    inset: auto !important;
    width: 90% !important;
    max-width: 320px !important;
    margin: 12px auto 0 !important;
    padding: 10px 14px !important;
    box-sizing: border-box !important;
  }

  .museum-plaque strong {
    font-size: .95rem !important;
  }

  .museum-plaque .plaque-data {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    margin-top: 4px;
    font-size: .52rem;
  }

  .floor-directory {
    position: relative !important;
    inset: auto !important;
    width: 100% !important;
    max-width: 360px !important;
    display: flex !important;
    justify-content: space-around !important;
    margin: 10px auto 0 !important;
    padding: 10px 0 !important;
    border-top: 1px solid rgba(0,0,0,.15);
  }

  .floor-directory div {
    padding: 0 8px !important;
    text-align: center;
  }

  .floor-directory b {
    font-size: 1.3rem !important;
  }

  /* ==========================================================================
     主展厅大展柜 (Grand Display Cabinet) 手机端核心修复
     1. 彻底清除 680px 浮动顶柱与 180px 顶光造成的 1360px 垂直空白
     2. 完美对齐 4 层实木展柜，横向顺滑滑动
     3. 游戏盒身与铜牌垂直严丝合缝对齐，消除歪斜
     ========================================================================== */

  .collection-hall {
    padding: 60px 0 70px !important;
  }

  .hall-heading {
    padding: 0 16px !important;
    text-align: center;
  }

  .hall-heading h2 {
    font-size: clamp(2.8rem, 11vw, 4.2rem) !important;
    line-height: .95 !important;
  }

  .hall-heading p {
    font-size: .8rem !important;
    line-height: 1.6 !important;
    margin-top: .6rem !important;
  }

  .mobile-browse-tip {
    display: block !important;
    margin-top: 10px !important;
    color: #6a665e !important;
    font: 600 .65rem var(--display) !important;
    letter-spacing: .12em !important;
  }

  .gallery-controls {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 10px !important;
    padding: 0 16px !important;
    margin: 18px 0 24px !important;
  }

  .gallery-controls select,
  .gallery-controls button {
    min-height: 44px !important;
    font-size: .62rem !important;
  }

  .grand-gallery {
    margin: 0 !important;
    padding: 0 !important;
  }

  .grand-gallery-sign {
    padding: 0 16px 14px !important;
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: space-between !important;
    align-items: flex-end !important;
    gap: 8px !important;
  }

  .grand-gallery-sign h3 {
    font-size: 1.35rem !important;
    letter-spacing: .1em !important;
    margin: 2px 0 0 !important;
  }

  .grand-cabinet {
    border-inline: 8px solid #292a27 !important;
    background: #20211e !important;
    box-shadow: 0 18px 38px rgba(0,0,0,.35) !important;
    margin: 0 !important;
  }

  .grand-cabinet-crown {
    height: 40px !important;
    padding: 0 14px !important;
    font-size: .52rem !important;
    letter-spacing: .14em !important;
  }

  /* 彻底消除造成 680px+ 垂直空白的伪元素和顶灯 */
  .grand-cabinet-glass::before,
  .grand-cabinet-glass::after {
    display: none !important;
    content: none !important;
    width: 0 !important;
    height: 0 !important;
    float: none !important;
  }

  .gallery-ceiling-lights {
    display: none !important;
    height: 0 !important;
  }

  .grand-gallery-floor {
    display: none !important;
    height: 0 !important;
  }

  .cabinet-nav {
    display: none !important;
  }

  /* 展柜玻璃视口：紧贴内容高度，零垂直死区，水平顺滑滚动 */
  .grand-cabinet-glass {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    overscroll-behavior-x: contain !important;
    scroll-snap-type: x proximity !important;
    touch-action: pan-x pan-y !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: thin !important;
    scrollbar-color: #5c4d3b #242522 !important;
    background:
      linear-gradient(180deg, rgba(255,255,255,.08) 0%, transparent 14px),
      radial-gradient(ellipse at 50% 0%, rgba(255,247,214,.18), transparent 45%),
      linear-gradient(180deg, #5c5a53 0%, #76746b 50%, #53514a 100%) !important;
    box-shadow: inset 0 14px 28px rgba(0,0,0,.32), inset 0 -14px 24px rgba(0,0,0,.38) !important;
  }

  /* 四层陈列网格：精准行高 + 实木层板渐变底衬 */
  .grand-gallery-grid {
    display: grid !important;
    grid-auto-flow: column !important;
    grid-template-rows: repeat(4, 154px) !important;
    grid-auto-columns: 110px !important;
    gap: 8px 12px !important;
    padding: 10px 20px 12px 14px !important;
    box-sizing: border-box !important;
    width: max-content !important;
    min-width: 100% !important;
    margin: 0 !important;
    align-items: end !important;
    /* 四层木制搁板横梁：每一层底座精确托举展品与铜牌 */
    background:
      repeating-linear-gradient(
        180deg,
        transparent 0px,
        transparent 142px,
        #826242 142px,
        #a6835d 144px,
        #4f3925 150px,
        #281c12 154px
      ) !important;
  }

  /* 展柜单件物品：盒身与铜牌严格同宽居中对齐 */
  .gallery-object {
    position: relative !important;
    width: 110px !important;
    height: 148px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-end !important;
    margin: 0 !important;
    padding: 0 !important;
    scroll-snap-align: start !important;
    box-sizing: border-box !important;
  }

  .gallery-object-stage {
    position: relative !important;
    width: 100% !important;
    height: 108px !important;
    display: flex !important;
    align-items: flex-end !important;
    justify-content: center !important;
    perspective: 800px !important;
  }

  /* 消除手机端歪斜角度，确保盒身水平垂直完美对齐 */
  .gallery-object button.game-box,
  button.game-box {
    --tilt: 0deg !important;
    --lift: 0px !important;
    width: 82px !important;
    height: 106px !important;
    margin: 0 auto !important;
    filter: drop-shadow(4px 7px 6px rgba(18,15,12,.45)) !important;
    transform: none !important;
  }

  .gallery-object button.game-box:hover,
  .gallery-object button.game-box:focus-visible {
    transform: translateY(-4px) scale(1.02) !important;
    filter: drop-shadow(6px 10px 9px rgba(18,15,12,.55)) !important;
  }

  /* 实体盒身外壳与边框 */
  .box-front {
    border-width: 3px !important;
    border-left-width: 4px !important;
    border-radius: 2px 4px 4px 2px !important;
  }

  .box-front > img {
    inset: 2px !important;
    width: calc(100% - 4px) !important;
    height: calc(100% - 4px) !important;
    object-fit: cover !important;
    border-radius: 1px !important;
  }

  .box-front .platform-band {
    top: 2px !important;
    left: 2px !important;
    right: 2px !important;
    height: 14px !important;
    padding: 0 4px !important;
    font-size: .38rem !important;
    line-height: 14px !important;
    letter-spacing: .08em !important;
  }

  .box-spine {
    left: -6px !important;
    width: 12px !important;
    top: 3px !important;
    bottom: 3px !important;
  }

  .box-spine b {
    font-size: .32rem !important;
  }

  .contact-shadow {
    bottom: -6px !important;
    height: 8px !important;
    filter: blur(4px) !important;
  }

  /* 博物馆金属铜牌：严谨位于盒身正下方，高对比清晰字体 */
  .gallery-object-plaque {
    position: relative !important;
    width: 98px !important;
    min-height: 34px !important;
    max-height: 36px !important;
    margin-top: 4px !important;
    padding: 3px 5px !important;
    box-sizing: border-box !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    text-align: center !important;
    border: 1px solid rgba(0,0,0,.35) !important;
    background: linear-gradient(135deg, #e4ded0 0%, #c4beaf 100%) !important;
    box-shadow: 0 2px 5px rgba(0,0,0,.25), inset 0 1px rgba(255,255,255,.6) !important;
  }

  .gallery-object-plaque span {
    font-size: .36rem !important;
    color: #635f56 !important;
    letter-spacing: .08em !important;
    line-height: 1 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .gallery-object-plaque strong {
    font-size: .48rem !important;
    font-weight: 700 !important;
    color: #1b1c19 !important;
    letter-spacing: .04em !important;
    line-height: 1.15 !important;
    margin: 2px 0 1px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .gallery-object-plaque small {
    font-size: .36rem !important;
    color: #55524b !important;
    letter-spacing: .04em !important;
    line-height: 1 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .grand-cabinet-base {
    min-height: 36px !important;
    padding: 0 12px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: .44rem !important;
    letter-spacing: .1em !important;
    background: linear-gradient(180deg, #362e27, #1c1815) !important;
  }

  /* ==========================================================================
     其他展厅 (Curator's Shelf / Recent / Journal) 移动端对齐与间距紧凑化
     ========================================================================== */

  .favorites-room {
    padding: 60px 16px 70px !important;
  }

  .favorite-cabinet {
    margin-top: 28px !important;
  }

  .cabinet-top {
    height: 12px !important;
  }

  .cabinet-glass {
    min-height: 0 !important;
    padding: 24px 16px 14px !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }

  .favorite-games {
    min-height: 0 !important;
    display: flex !important;
    flex-wrap: nowrap !important;
    gap: 20px !important;
    justify-content: flex-start !important;
    padding-bottom: 6px !important;
  }

  .cabinet-object {
    flex: 0 0 auto !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
  }

  .favorite-games button.game-box {
    width: 104px !important;
    height: 146px !important;
  }

  .cabinet-object span {
    margin-top: 6px;
    font: 600 .54rem var(--display);
    color: #d2cebe;
    letter-spacing: .14em;
  }

  .cabinet-base {
    height: 40px !important;
    padding: 0 14px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: .46rem !important;
  }

  /* Now Playing 展台 */
  .recent-room {
    padding: 60px 16px 70px !important;
  }

  .low-shelf {
    min-height: 0 !important;
    margin: 28px auto 0 !important;
    padding: 20px 12px 14px !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    justify-content: flex-start !important;
  }

  .recent-objects {
    display: flex !important;
    gap: 24px !important;
    flex-wrap: nowrap !important;
  }

  .recent-object {
    flex: 0 0 auto !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center;
    width: 110px;
  }

  .recent-objects button.game-box {
    width: 96px !important;
    height: 136px !important;
  }

  .recent-object b {
    display: block;
    margin-top: 6px;
    font-size: .62rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 110px;
  }

  .recent-object span {
    display: block;
    font-size: .44rem;
    color: #726f68;
    margin-top: 2px;
  }

  /* 未游玩木箱 */
  .storage-room {
    padding: 60px 16px 70px !important;
  }

  .storage-sign {
    padding: 16px !important;
  }

  .storage-sign h2 {
    font-size: 2.5rem !important;
    margin-top: 1rem !important;
  }

  .backlog-crates {
    margin-top: 30px !important;
    gap: 16px !important;
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)) !important;
  }

  .archive-crate {
    width: 100% !important;
    height: 140px !important;
    padding: 14px 12px !important;
    transform: none !important;
    margin: 0 !important;
  }

  .archive-crate span {
    font-size: .46rem !important;
  }

  .archive-crate b {
    font-size: .78rem !important;
    margin-top: 4px !important;
  }

  /* 杂志专栏 (Journal Room) 封面与图文排版修复 */
  .journal-room {
    padding: 60px 16px 0 !important;
  }

  .journal-masthead {
    padding: 14px 0 !important;
  }

  .journal-masthead h2 {
    font-size: clamp(3.2rem, 14vw, 5.5rem) !important;
    letter-spacing: -.04em !important;
  }

  .journal-feature {
    display: flex !important;
    flex-direction: column !important;
    gap: 24px !important;
    margin: 30px auto 60px !important;
  }

  .journal-cover {
    width: 100% !important;
    max-width: 260px !important;
    aspect-ratio: 2 / 3 !important;
    height: auto !important;
    min-height: 280px !important;
    margin: 0 auto !important;
    position: relative !important;
    overflow: hidden !important;
    border-radius: 4px !important;
    box-shadow: 0 16px 30px rgba(0,0,0,.35) !important;
  }

  .journal-cover img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
  }

  .journal-cover span {
    position: absolute;
    bottom: 8px;
    left: 8px;
    padding: 3px 6px;
    background: rgba(18,19,17,.88);
    color: #eee;
    font: 600 .44rem var(--display);
    letter-spacing: .14em;
  }

  .journal-copy h3 {
    font-size: clamp(2.2rem, 9vw, 3.4rem) !important;
    margin: .8rem 0 !important;
  }

  .journal-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 1rem;
  }

  .journal-meta b {
    font-size: 2.2rem;
    font-family: var(--display);
  }

  .journal-copy .dropcap {
    font-size: .92rem;
    line-height: 1.75;
  }

  .journal-copy blockquote {
    font-size: 1.15rem !important;
    padding-top: 1rem !important;
    margin-top: 1.2rem !important;
  }

  .journal-copy button {
    min-height: 48px;
    padding: 0 18px;
    margin-top: 1.4rem;
    font: 600 .58rem var(--display);
    letter-spacing: .12em;
    color: #fff;
    background: #20211e;
    border: 1px solid #4a4b45;
  }

  /* 杂志详情页弹窗 (Game Detail) 手机端全屏优雅阅读 */
  .game-detail {
    padding: 0 !important;
    background: #1c1d1a !important;
  }

  .detail-close {
    top: 12px !important;
    right: 12px !important;
    min-height: 44px !important;
    min-width: 44px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 10px !important;
    background: rgba(0,0,0,.65) !important;
    border-radius: 4px !important;
    border: 1px solid rgba(255,255,255,.2) !important;
    font-size: 1.1rem !important;
  }

  .magazine-masthead {
    padding: 60px 16px 14px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 6px !important;
    border-bottom: 2px solid rgba(255,255,255,.2) !important;
  }

  .magazine-hero {
    padding: 24px 16px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 20px !important;
  }

  .magazine-object-column {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
  }

  .magazine-box-stage {
    width: 170px !important;
    height: 240px !important;
  }

  .magazine-box-stage button.game-box {
    width: 150px !important;
    height: 212px !important;
  }

  .magazine-lead h1 {
    font-size: clamp(2.4rem, 10vw, 3.6rem) !important;
    text-align: center;
  }

  .magazine-original {
    text-align: center;
  }

  .magazine-deck {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
  }

  .magazine-facts {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    margin-top: 16px !important;
  }

  .magazine-story,
  .magazine-notes {
    padding: 20px 16px !important;
  }

  /* 页脚对齐 */
  .site-footer {
    padding: 40px 16px !important;
    min-height: auto !important;
    text-align: center;
    display: flex !important;
    flex-direction: column !important;
    gap: 14px !important;
  }
}