/* 回到三国 · 水墨古卷风（移动端优先，桌面居中 520px 列） */

:root {
  --ink: #14110d;
  --ink-2: #1c1813;
  --paper: #f1e8d2;
  --paper-2: #e6d8ba;
  --seal: #a63b2e;
  --seal-deep: #7f2a20;
  --gold: #e0b64f;
  --tx: #d9cbb0;
  --tx-dim: #b3a586;
  --tx-dark: #241d15;
  --tx-dark-2: #5d4f3c;
  --r-n: #8fae9e;
  --r-r: #b08d57;
  --r-sr: #a06cc8;
  --r-ssr: #e0b64f;
}

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

[hidden] { display: none !important; }

html, body { height: 100%; overflow: hidden; }

body {
  background: var(--ink);
  color: var(--tx);
  font-family: "Kaiti SC", "STKaiti", "KaiTi", "Noto Serif SC", "Songti SC", "SimSun", serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 全局宣纸噪点 */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  opacity: .05;
  background-image:
    radial-gradient(circle at 20% 30%, #fff 0 1px, transparent 1px),
    radial-gradient(circle at 70% 60%, #fff 0 1px, transparent 1px),
    radial-gradient(circle at 45% 85%, #fff 0 1px, transparent 1px);
  background-size: 23px 29px, 31px 37px, 19px 23px;
  z-index: 0;
}

#app {
  position: relative; z-index: 1;
  max-width: 520px;
  margin: 0 auto;
  height: 100vh;
  height: 100dvh;
  display: flex; flex-direction: column;
  overflow: hidden;
  padding: 0 18px;
}

/* ---------- 头部 ---------- */
header {
  flex: 0 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0 8px;
}
.brand {
  font-size: 17px; letter-spacing: 4px; color: #c9bb9e;
  display: flex; align-items: center; gap: 8px;
}
.brand-seal {
  display: inline-block; width: 22px; height: 22px;
  background: var(--seal); color: var(--paper);
  font-size: 11px; line-height: 1.1; text-align: center;
  border-radius: 4px; padding-top: 3px;
}
#langBtn {
  background: none; border: 1px solid rgba(217,203,176,.3);
  color: var(--tx-dim); font: inherit; font-size: 13px;
  padding: 4px 12px; border-radius: 999px; cursor: pointer;
}
#langBtn:hover { border-color: var(--tx-dim); color: var(--tx); }

/* ---------- 开屏 ---------- */
#landing, #gacha, #end {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
}
#landing { padding: 26px 6px 30px; animation: fadeUp .5s ease both; }
#gacha { padding: 6vh 0 20px; scrollbar-width: thin; }

.landing-title {
  font-size: clamp(52px, 14vw, 76px);
  font-weight: 700;
  letter-spacing: 10px;
  color: var(--paper);
  text-shadow: 0 2px 18px rgba(0,0,0,.6);
  position: relative;
  display: inline-block;
}
.landing-title::after {
  content: '穿越券';
  position: absolute; right: -44px; top: -6px;
  width: 36px; height: 36px;
  background: var(--seal); color: var(--paper);
  font-size: 12px; line-height: 1.2; letter-spacing: 1px;
  text-align: center; border-radius: 6px;
  padding-top: 5px; box-sizing: border-box;
  transform: rotate(6deg);
  box-shadow: 0 2px 10px rgba(166,59,46,.4);
}
.landing-sub {
  margin-top: 10px;
  font-size: 19px;
  color: var(--seal);
  letter-spacing: 2px;
}
.landing-paper {
  margin-top: 26px;
  background: var(--paper);
  color: var(--tx-dark);
  border-radius: 14px;
  padding: 22px 20px 16px;
  box-shadow: 0 10px 34px rgba(0,0,0,.45);
  position: relative;
}
.landing-paper::before {
  content: '';
  position: absolute; inset: 6px;
  border: 1px solid rgba(58,47,35,.18);
  border-radius: 10px;
  pointer-events: none;
}
#introText { font-size: 16px; }
#statLine {
  margin-top: 12px; padding-top: 12px;
  border-top: 1px dashed rgba(58,47,35,.25);
  font-size: 13px; color: var(--tx-dark-2);
}

.landing-actions { margin-top: 26px; display: flex; flex-direction: column; gap: 12px; }

/* ---------- 按钮 ---------- */
.btn {
  font: inherit; font-size: 17px; letter-spacing: 2px;
  border-radius: 12px; padding: 14px 18px;
  cursor: pointer; transition: transform .12s ease, box-shadow .12s ease, opacity .12s;
}
.btn:active { transform: scale(.97); }
.btn-main {
  background: linear-gradient(160deg, var(--seal), var(--seal-deep));
  color: var(--paper); border: none;
  font-size: 19px; font-weight: 700;
  box-shadow: 0 6px 22px rgba(166,59,46,.35);
  animation: pulse 2.6s ease-in-out infinite;
}
.btn-line {
  background: none; border: 1px solid rgba(217,203,176,.35);
  color: var(--tx);
}
.btn-line:hover { border-color: var(--tx-dim); background: rgba(217,203,176,.06); }
.btn-small { font-size: 14px; padding: 9px 14px; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 6px 22px rgba(166,59,46,.35); }
  50% { box-shadow: 0 6px 30px rgba(166,59,46,.6); }
}

/* ---------- 抽卡 ---------- */
#gacha { padding-top: 6vh; }
.gacha-wrap { display: flex; justify-content: center; perspective: 900px; }
.gacha-card {
  width: 300px; padding: 44px 26px 36px;
  background: var(--paper);
  border-radius: 16px;
  text-align: center; color: var(--tx-dark);
  box-shadow: 0 18px 60px rgba(0,0,0,.6);
  transform: rotateY(90deg) scale(.9);
  transition: transform .5s cubic-bezier(.2,.9,.3,1.2);
  position: relative;
}
.gacha-card.flip { transform: rotateY(0) scale(1); }
.gacha-card.burst { animation: burst .9s ease both; }
.gacha-rarity { font-size: 22px; font-weight: 700; letter-spacing: 6px; }
.gacha-name { font-size: 64px; font-weight: 700; margin-top: 14px; letter-spacing: 8px; }
.gacha-note { margin-top: 12px; font-size: 14px; color: var(--tx-dark-2); }

.r-N .gacha-rarity, .r-N .end-rarity { color: var(--r-n); }
.r-R .gacha-rarity, .r-R .end-rarity { color: var(--r-r); }
.r-SR .gacha-rarity, .r-SR .end-rarity { color: var(--r-sr); }
.r-SSR .gacha-rarity, .r-SSR .end-rarity { color: #b8860b; }

@keyframes burst {
  0% { box-shadow: 0 18px 60px rgba(0,0,0,.6); }
  35% { box-shadow: 0 0 80px 18px rgba(224,182,79,.55); transform: rotateY(0) scale(1.05); }
  100% { box-shadow: 0 18px 60px rgba(0,0,0,.6); transform: rotateY(0) scale(1); }
}

#ageTip {
  text-align: center; margin-top: 18px;
  color: var(--tx-dim); font-size: 14px; letter-spacing: 1px;
}

/* ---------- 人生流 ---------- */
#life {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex; flex-direction: column;
  padding-bottom: 12px;
}
#lifeScroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 12px 2px 30px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
}
.row {
  animation: fadeUp .45s ease both;
  padding: 12px 14px;
  margin-bottom: 10px;
  border-left: 2px solid rgba(217,203,176,.18);
}
.row-year { font-size: 13px; color: #c0b193; letter-spacing: 2px; margin-bottom: 3px; }
.row-text { font-size: 16.5px; color: var(--tx); }
.row-note { margin-top: 7px; font-size: 12.5px; color: var(--tx-dim); border-top: 1px dashed rgba(143,130,107,.3); padding-top: 6px; }
.row-vo { display: block; margin-top: 8px; font-style: italic; color: #e8b39e; font-size: 15px; }

.row-anchor {
  background: linear-gradient(90deg, rgba(166,59,46,.14), transparent);
  border-left: 3px solid var(--seal);
  border-radius: 0 10px 10px 0;
}
.row-anchor .row-year { color: #d98d7f; }
.row-flavor .row-text { color: #c0b193; font-size: 15px; }
.row-choice .row-text { color: var(--tx); font-size: 15px; }
.row-death {
  background: rgba(127,42,32,.28);
  border-left: 3px solid #c8503c;
  border-radius: 0 10px 10px 0;
}
.row-death .row-text { color: #f0b9ad; font-size: 17px; letter-spacing: 1px; }

.choice-bar { display: flex; flex-wrap: wrap; gap: 10px; padding: 6px 0 14px 14px; animation: fadeUp .3s ease both; }
.choice-btn {
  font: inherit; font-size: 15px;
  background: var(--paper); color: var(--tx-dark);
  border: none; border-radius: 10px;
  padding: 10px 16px; cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,0,0,.4);
}
.choice-btn:hover { background: #fff7e4; }

#skipBtn {
  position: fixed; bottom: 20px; right: 16px; left: auto; transform: none;
  z-index: 5;
  font: inherit; font-size: 14px; letter-spacing: 3px;
  background: rgba(20,17,13,.8); color: var(--tx-dim);
  border: 1px solid rgba(217,203,176,.3);
  padding: 9px 26px; border-radius: 999px; cursor: pointer;
  backdrop-filter: blur(4px);
}
#skipBtn:hover { color: var(--tx); }

/* ---------- 结局 ---------- */
#end { padding: 20px 6px 30px; animation: fadeUp .5s ease both; }
#endCard {
  background: var(--paper); color: var(--tx-dark);
  border-radius: 16px; padding: 26px 20px;
  box-shadow: 0 12px 44px rgba(0,0,0,.5);
  text-align: center;
  position: relative;
}
#endCard::before {
  content: ''; position: absolute; inset: 6px;
  border: 1px solid rgba(58,47,35,.18); border-radius: 11px;
  pointer-events: none;
}
.end-identity { margin-bottom: 6px; }
.end-rarity { font-size: 17px; font-weight: 700; letter-spacing: 6px; }
.end-name { font-size: 58px; font-weight: 700; letter-spacing: 6px; color: #1c1610; }
.end-sub { color: var(--tx-dark-2); font-size: 15px; letter-spacing: 2px; }

.end-stats {
  display: flex; justify-content: space-around;
  margin: 22px 0 16px; padding: 14px 0;
  border-top: 1px solid rgba(58,47,35,.15);
  border-bottom: 1px solid rgba(58,47,35,.15);
}
.end-stat { display: flex; flex-direction: column; }
.stat-num { font-size: 34px; font-weight: 700; color: #1c1610; font-family: Georgia, serif; }
.stat-label { font-size: 12.5px; color: var(--tx-dark-2); margin-top: 2px; letter-spacing: 1px; }

.end-death {
  font-size: 16.5px; color: var(--tx-dark);
  padding: 10px 6px; line-height: 1.7;
}
.end-epilogue { font-size: 14px; color: var(--tx-dark-2); padding: 4px 10px 2px; }
.end-witness {
  margin-top: 16px; padding-top: 12px;
  border-top: 1px dashed rgba(58,47,35,.25);
  font-size: 13px; color: var(--tx-dark-2);
}
.end-witness span { color: var(--seal); font-weight: 700; }

#endActions {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-top: 18px;
}
#endActions .btn-main { grid-column: 1 / -1; }

.sub-actions {
  display: flex; gap: 8px; align-items: center;
  margin-top: 12px;
}
.name-input {
  flex: 1; font: inherit; font-size: 14px;
  background: rgba(217,203,176,.08);
  border: 1px solid rgba(217,203,176,.25);
  color: var(--tx); border-radius: 10px;
  padding: 9px 12px; outline: none;
}
.name-input:focus { border-color: var(--tx-dim); }
.name-input::placeholder { color: var(--tx-dim); }

.link-btn {
  background: none; border: none; font: inherit; font-size: 13.5px;
  color: #b3a586; text-decoration: underline; cursor: pointer;
  white-space: nowrap;
}
.link-btn:hover { color: var(--tx); }

/* ---------- 弹窗：榜单 ---------- */
dialog#boardDlg {
  border: none; border-radius: 16px;
  background: var(--paper-2); color: var(--tx-dark);
  max-width: 480px; width: calc(100% - 36px);
  padding: 20px 18px 16px;
  box-shadow: 0 24px 80px rgba(0,0,0,.7);
}
dialog#boardDlg::backdrop { background: rgba(10,8,6,.72); backdrop-filter: blur(3px); }
.board-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.board-head h3 { font-size: 20px; letter-spacing: 4px; }
#witnessDlg { font-size: 12.5px; color: var(--tx-dark-2); }
.board-tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.board-tabs button {
  flex: 1; font: inherit; font-size: 14px;
  padding: 8px; border-radius: 9px; cursor: pointer;
  border: 1px solid rgba(58,47,35,.25);
  background: none; color: var(--tx-dark-2);
}
.board-tabs button.on { background: var(--seal); color: var(--paper); border-color: var(--seal); }
#boardList { max-height: 52vh; overflow-y: auto; }
.board-row {
  display: grid;
  grid-template-columns: 30px 1fr 74px;
  grid-template-areas: 'rank main age' 'rank death age';
  gap: 2px 10px;
  align-items: center;
  padding: 10px 8px;
  border-bottom: 1px dashed rgba(58,47,35,.18);
  font-size: 14px;
}
.b-rank { grid-area: rank; font-family: Georgia, serif; font-weight: 700; color: var(--tx-dark-2); text-align: center; }
.b-main { grid-area: main; }
.b-name { font-weight: 700; margin-right: 8px; }
.b-id { font-size: 13px; }
.b-death { grid-area: death; font-size: 12px; color: var(--tx-dark-2); }
.b-age { grid-area: age; text-align: right; font-size: 20px; font-family: Georgia, serif; font-weight: 700; }
.b-age::after { content: '岁'; font-size: 11px; font-family: inherit; font-weight: 400; color: var(--tx-dark-2); }
.board-empty { text-align: center; padding: 34px 0; color: var(--tx-dark-2); font-size: 14px; }
.board-close {
  margin-top: 12px; width: 100%;
  font: inherit; font-size: 15px;
  padding: 10px; border-radius: 10px; cursor: pointer;
  border: 1px solid rgba(58,47,35,.3); background: none; color: var(--tx-dark-2);
}
.board-close:hover { background: rgba(58,47,35,.08); }

/* ---------- 其他 ---------- */
#aboutLine { margin-top: 26px; font-size: 12px; color: var(--tx-dim); text-align: center; }
footer { flex: 0 0 auto; margin: 8px 0 10px; padding-bottom: 8px; }
#footerLine { font-size: 13px; color: rgba(179,165,134,.9); text-align: center; letter-spacing: 1px; }

#toast {
  position: fixed; bottom: 84px; left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--paper); color: var(--tx-dark);
  font-size: 14px; padding: 10px 20px;
  border-radius: 999px;
  opacity: 0; pointer-events: none;
  transition: all .25s ease;
  z-index: 20;
  box-shadow: 0 8px 30px rgba(0,0,0,.5);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 桌面微调 */
@media (min-width: 700px) {
  #app { padding-top: 12px; }
  .landing-title { letter-spacing: 14px; }
}

/* ---------- 像素圖與圖鑑 ---------- */
img.pix-avatar, img.pix-ico { image-rendering: pixelated; }
.pix-avatar { width: 88px; height: 88px; display: block; margin: 0 auto 8px; }
.end-av { width: 60px; height: 60px; margin: 2px auto 4px; }
.pix-ico { width: 26px; height: 26px; float: left; margin: 3px 9px 2px 0; }
.badge-new {
  display: inline-block; background: var(--seal); color: var(--paper);
  font-size: 11px; padding: 1px 7px; border-radius: 6px;
  margin-right: 6px; vertical-align: middle; letter-spacing: 1px;
}
.gacha-new { position: absolute; top: 12px; right: 14px; margin: 0; }
.gacha-card { position: relative; }
.end-new {
  margin-top: 10px; padding-top: 8px;
  border-top: 1px dashed rgba(58,47,35,.25);
  font-size: 13px; color: var(--seal); letter-spacing: 1px;
}
.btn-row { display: flex; gap: 12px; }
.btn-row .btn { flex: 1; }

#codexBody { max-height: 54vh; overflow-y: auto; overflow-x: hidden; }
.codex-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 2px; }
.codex-cell {
  text-align: center; padding: 8px 2px 6px;
  background: rgba(58,47,35,.08); border-radius: 10px;
  border: 1px solid rgba(58,47,35,.18);
}
.codex-cell img { width: 44px; height: 44px; margin: 0 auto; display: block; }
.codex-cell.locked img { filter: grayscale(1) brightness(.3); }
.codex-cell .cx-name { font-size: 13px; color: var(--tx-dark); margin-top: 4px; letter-spacing: 1px; }
.codex-cell.locked .cx-name { color: rgba(93,79,60,.45); }
.codex-cell .cx-cnt { font-size: 11px; color: var(--tx-dark-2); }
.codex-row {
  padding: 9px 10px; border-bottom: 1px dashed rgba(58,47,35,.18);
  font-size: 14px; color: var(--tx-dark);
}
.codex-row .badge-new { background: var(--r-n); color: #16221c; }
@media (min-width: 480px) { .codex-grid { grid-template-columns: repeat(6, 1fr); } }

/* ---------- 桌面宽屏优化 ---------- */
@media (min-width: 768px) {
  body { font-size: 17px; }
  #app { max-width: 860px; padding: 0 28px; }
  header { padding-top: 26px; }
  .landing-title { font-size: clamp(72px, 9vw, 104px); letter-spacing: 16px; }
  .landing-sub { font-size: 22px; }
  .landing-paper { padding: 28px 30px 20px; }
  #introText { font-size: 17.5px; line-height: 1.8; }
  .row { padding: 15px 20px; }
  .row-text { font-size: 17.5px; }
  .row-flavor .row-text { font-size: 16px; }
  .gacha-card { width: 360px; padding: 52px 30px 42px; }
  .gacha-name { font-size: 76px; }
  .end-name { font-size: 66px; }
  .stat-num { font-size: 40px; }
  #endCard { padding: 30px 26px; }
  .choice-btn { font-size: 16px; padding: 12px 20px; }
  .pix-ico { width: 32px; height: 32px; }
  #landing, #gacha, #end { padding-left: 10px; padding-right: 10px; }
  #boardDlg, #codexDlg { max-width: 640px; }
  .codex-grid { grid-template-columns: repeat(5, 1fr); }
  .codex-cell img { width: 52px; height: 52px; }
}

/* ---------- 阅读速度 / 回看 / 弹窗定位 ---------- */
.speed-btn {
  position: absolute; top: -14px; right: 0; z-index: 4;
  font: inherit; font-size: 12.5px; letter-spacing: 1px;
  background: rgba(20,17,13,.85); color: #c9bb9e;
  border: 1px solid rgba(201,187,158,.35);
  padding: 5px 14px; border-radius: 999px; cursor: pointer;
  backdrop-filter: blur(4px);
}
.speed-btn:hover { color: var(--tx); border-color: var(--tx-dim); }
#life { position: relative; }
#life #ageTip { text-align: center; margin: 4px 0 8px; }

.gacha-rare-note { margin-top: 6px; font-size: 12.5px; color: rgba(93,79,60,.75); letter-spacing: 1px; }
.end-desc { font-size: 13px; color: var(--tx-dark-2); margin: 4px auto 0; max-width: 92%; }

.end-return { position: fixed; bottom: 20px; right: 16px; z-index: 30; box-shadow: 0 8px 30px rgba(0,0,0,.55); }

/* 弹窗：移动端正中 */
dialog#boardDlg, dialog#codexDlg {
  position: fixed; inset: 0; margin: auto;
  height: fit-content; max-height: calc(100vh - 40px);
}
/* 桌面（≥1024px）：右侧抽屉 */
@media (min-width: 1024px) {
  dialog#boardDlg, dialog#codexDlg {
    left: auto; right: 28px; top: 50%; bottom: auto;
    transform: translateY(-50%);
    margin: 0; width: 460px;
    height: min(680px, calc(100vh - 56px));
    animation: drawerIn .24s ease both;
  }
  @keyframes drawerIn {
    from { opacity: 0; transform: translateY(-50%) translateX(28px); }
    to { opacity: 1; transform: translateY(-50%) translateX(0); }
  }
}

/* ---------- 细滚动条 ---------- */
#lifeScroll::-webkit-scrollbar, #landing::-webkit-scrollbar, #end::-webkit-scrollbar,
#boardList::-webkit-scrollbar, #codexBody::-webkit-scrollbar { width: 6px; }
#lifeScroll::-webkit-scrollbar-thumb, #landing::-webkit-scrollbar-thumb, #end::-webkit-scrollbar-thumb,
#boardList::-webkit-scrollbar-thumb, #codexBody::-webkit-scrollbar-thumb {
  background: rgba(201,187,158,.28); border-radius: 999px;
}
#lifeScroll::-webkit-scrollbar-track, #landing::-webkit-scrollbar-track, #end::-webkit-scrollbar-track { background: transparent; }

/* ---------- 挑战横幅 / 统计 / 保底 / 成就 ---------- */
.challenge-banner {
  margin-top: 18px; padding: 14px 18px;
  background: linear-gradient(160deg, rgba(166,59,46,.22), rgba(166,59,46,.08));
  border: 1px solid rgba(166,59,46,.55);
  border-radius: 12px;
  color: #f0c9b8; font-size: 15.5px; letter-spacing: 1px;
  animation: pulse 2.6s ease-in-out infinite;
}
.stats-line { margin-top: 16px; font-size: 13px; color: #c9bb9e; text-align: center; letter-spacing: 1px; }
.pity-line { margin-top: 6px; font-size: 12px; color: rgba(179,165,134,.75); text-align: center; }
.achv-row { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.achv {
  display: inline-block; padding: 3px 10px;
  background: rgba(224,182,79,.16); color: #caa53d;
  border: 1px solid rgba(224,182,79,.45);
  border-radius: 999px; font-size: 12px; letter-spacing: 1px;
}
.end-duel {
  margin-top: 12px; padding: 10px 14px;
  border-radius: 10px; font-size: 15px; letter-spacing: 1px;
  background: rgba(58,47,35,.12);
}
.end-duel.win { background: rgba(74,158,108,.18); color: #4a9e6c; }
.end-duel.lose { background: rgba(166,59,46,.15); color: #c87f6f; }
.end-stats-line {
  margin-top: 8px; padding-top: 8px;
  border-top: 1px dashed rgba(58,47,35,.25);
  font-size: 12px; color: var(--tx-dark-2); text-align: center;
}

/* ---------- 全尺寸适配 ---------- */
@media (max-width: 360px) {
  .landing-title { font-size: 42px; letter-spacing: 6px; }
  .landing-sub { font-size: 16px; }
  .gacha-card { width: 270px; padding: 36px 20px 30px; }
  .gacha-name { font-size: 50px; }
  .end-name { font-size: 42px; }
  .end-stats { flex-wrap: wrap; gap: 8px; }
  .stat-num { font-size: 28px; }
  .stat-label { font-size: 11px; }
  .row-text { font-size: 15.5px; }
  .btn { font-size: 15px; padding: 12px 14px; }
  .btn-row { gap: 8px; }
  .choice-btn { padding: 9px 13px; font-size: 14px; }
  #endCard { padding: 20px 14px; }
}
/* 平板竖屏（600–767px）加宽 */
@media (min-width: 600px) and (max-width: 767px) {
  #app { max-width: 620px; }
  .landing-title { font-size: 62px; }
  .landing-sub { font-size: 20px; }
  .row-text { font-size: 16.5px; }
}
/* 大屏桌面（≥1200px） */
@media (min-width: 1200px) {
  #app { max-width: 1040px; }
  .landing-title { font-size: 128px; letter-spacing: 20px; }
  .landing-sub { font-size: 24px; }
  .landing-paper { padding: 34px 36px 24px; }
  #introText { font-size: 18.5px; }
  .row { padding: 18px 24px; }
  .row-text { font-size: 18px; }
  .gacha-card { width: 400px; }
  .gacha-name { font-size: 84px; }
  .end-name { font-size: 72px; }
  .stat-num { font-size: 44px; }
}