/* 时雨榧个人站 */

:root {
  --bg: #f7f8fc;
  --bg-elevated: rgba(255, 255, 255, 0.72);
  --bg-elevated-solid: #ffffff;
  --ink: #1a1922;
  --ink-soft: #5c5868;
  --ink-faint: #9893a3;
  --accent: #8b6fd4;
  --accent-deep: #6b4fb8;
  --accent-soft: rgba(139, 111, 212, 0.1);
  --accent-ring: rgba(139, 111, 212, 0.28);
  --warm: #c9956a;
  --border: rgba(26, 25, 34, 0.07);
  --border-strong: rgba(26, 25, 34, 0.12);
  --shadow-sm: 0 2px 12px rgba(26, 25, 34, 0.04);
  --shadow-md: 0 16px 48px rgba(26, 25, 34, 0.07);
  --shadow-lg: 0 24px 64px rgba(26, 25, 34, 0.09);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;
  --max: 680px;
  --max-wide: 920px;
  --pad: clamp(1.25rem, 4vw, 2rem);
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --font-sans: "Inter", "SF Pro Text", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Cascadia Mono", "SF Mono", "Consolas", monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.28s;
  --dur-slow: 0.45s;
  --glass-blur: blur(16px) saturate(1.3);
}

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

html {
  scroll-behavior: auto;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  position: relative;
  touch-action: manipulation;
}

::selection {
  background: rgba(139, 111, 212, 0.2);
  color: var(--ink);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ── 背景：多浅色模糊光斑（参考 Valaxy Yun 类气质） ── */
.site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background: var(--bg);
}

.site-bg::before {
  content: "";
  position: absolute;
  inset: -18%;
  background:
    radial-gradient(circle at 18% 28%, rgba(161, 196, 253, 0.72) 0%, transparent 42%),
    radial-gradient(circle at 78% 18%, rgba(221, 189, 255, 0.58) 0%, transparent 38%),
    radial-gradient(circle at 62% 72%, rgba(194, 233, 251, 0.62) 0%, transparent 40%),
    radial-gradient(circle at 28% 78%, rgba(255, 206, 214, 0.5) 0%, transparent 36%),
    radial-gradient(circle at 88% 58%, rgba(255, 220, 186, 0.42) 0%, transparent 34%),
    radial-gradient(circle at 48% 42%, rgba(186, 170, 245, 0.28) 0%, transparent 32%);
  filter: blur(64px);
  transform: translate3d(0, 0, 0) scale(1.02);
  animation: bg-orb-drift 36s ease-in-out infinite alternate;
  contain: strict;
}

.site-bg.is-paused::before {
  animation-play-state: paused;
}

.site-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(247, 248, 252, 0.18) 0%, transparent 28%, transparent 72%, rgba(247, 248, 252, 0.35) 100%),
    radial-gradient(circle at center, rgba(26, 25, 34, 0.028) 1px, transparent 1px);
  background-size: auto, 28px 28px;
  opacity: 0.55;
  mask-image: linear-gradient(to bottom, black 0%, transparent 88%);
}

@keyframes bg-orb-drift {
  0% { transform: translate3d(-1.5%, -1%, 0) scale(1.02); }
  50% { transform: translate3d(1.2%, 1.4%, 0) scale(1.05); }
  100% { transform: translate3d(0.8%, -0.6%, 0) scale(1.03); }
}

/* ── 顶栏 ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.85rem var(--pad);
}

.site-bar {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0.55rem 0.85rem 0.55rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.brand {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.brand:hover {
  color: var(--accent-deep);
  transform: translateY(-1px);
}

.brand-text {
  line-height: 1;
}

.brand-avatar {
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 2px 10px rgba(26, 25, 34, 0.12);
  background: transparent;
  transition:
    opacity 0.28s var(--ease),
    transform 0.28s var(--ease),
    width 0.28s var(--ease),
    margin 0.28s var(--ease),
    border-width 0.28s var(--ease);
}

.page-home.profile-open:not(.profile-animating) .brand-avatar,
.page-home.profile-animating.is-avatar-flying .brand-avatar {
  opacity: 0;
  transform: scale(0.55);
  pointer-events: none;
}

.page-home.profile-animating.is-avatar-flying .profile-avatar {
  pointer-events: none;
}

.page-home.profile-animating.is-avatar-flying .profile-avatar,
.page-home.profile-animating.is-avatar-flying .profile-avatar::before,
.page-home.profile-animating.is-avatar-flying .profile-avatar .avatar {
  transition: none !important;
}

.page-home.profile-animating.is-avatar-pinned .profile-avatar {
  overflow: visible;
}

.page-home.profile-animating.is-avatar-pinned .profile-avatar .avatar {
  width: 100%;
  height: 100%;
  box-sizing: border-box;
}

.page-home.profile-animating.is-avatar-pinned .profile-name,
.page-home.profile-animating.is-avatar-pinned .profile-roman,
.page-home.profile-animating.is-avatar-pinned .profile-sign,
.page-home.profile-animating.is-avatar-pinned .social-row {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none;
}

.profile-avatar-placeholder {
  width: 128px;
  height: 128px;
  margin: 0 auto 1.35rem;
  pointer-events: none;
  visibility: hidden;
}

.page-home.profile-open:not(.profile-animating) .brand-avatar {
  width: 0;
  margin: 0;
  border-width: 0;
}

.site-bar > nav {
  margin-left: auto;
}

.site-nav {
  display: flex;
  gap: 0.15rem;
  list-style: none;
}

.site-nav a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.42rem 0.85rem;
  border-radius: var(--radius-full);
  color: var(--ink-soft);
  transition:
    background var(--dur) var(--ease),
    color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.site-nav a:hover {
  color: var(--ink);
  background: rgba(26, 25, 34, 0.04);
  transform: translateY(-1px);
}

.site-nav a.active {
  color: var(--accent-deep);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px rgba(139, 111, 212, 0.15);
}

.menu-toggle {
  display: none;
  margin-left: auto;
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  border-radius: var(--radius-full);
  background: rgba(26, 25, 34, 0.05);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.menu-toggle:hover {
  background: rgba(139, 111, 212, 0.12);
}

.menu-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
  transform-origin: center;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(3.25px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* ── 主页 ── */
.page-home {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.page-home .site-header,
.page-home .home-main {
  width: 100%;
}

.home-main {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 3.5rem) var(--pad) 4rem;
}

.page-home .home-main {
  max-width: var(--max-wide);
  flex: 1 0 auto;
}

/* 主页页脚：网页最底；背景全宽，内容仍居中 */
.page-home .site-footer {
  flex-shrink: 0;
  margin-top: auto;
  width: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  padding: 1rem var(--pad) 1.35rem;
  background: linear-gradient(
    180deg,
    transparent 0%,
    color-mix(in srgb, var(--bg) 72%, transparent) 38%,
    color-mix(in srgb, var(--bg) 92%, transparent) 100%
  );
}

.profile-hero {
  text-align: center;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2rem, 5vw, 3rem);
}

/* 主页：榧 展开 / 收回 — 由 anime.js 驱动；CSS 只管静态态 */
.page-home:not(.profile-open):not(.profile-animating) .profile-hero,
.page-home:not(.profile-open):not(.profile-animating) .profile-gated,
.page-home:not(.profile-open):not(.profile-animating) .nav-gated {
  display: none !important;
}

.page-home.profile-animating .profile-hero,
.page-home.profile-animating .profile-gated {
  display: block;
  overflow: hidden;
  backface-visibility: hidden;
  /* 不用 translateZ(0)：会与测高/占位槽产生亚像素偏移，落地时看起来像残跳 */
  contain: layout paint;
}

/* 展开动画期间减轻天气层合成压力 */
.page-home.profile-animating .site-bg,
.page-home.profile-animating .site-fx {
  pointer-events: none;
}

.page-home.profile-animating .nav-gated {
  display: list-item;
  overflow: visible;
  max-width: none;
}

.page-home.profile-animating .nav-gated a {
  white-space: nowrap;
}

.page-home.profile-open:not(.profile-animating) .profile-hero,
.page-home.profile-open:not(.profile-animating) .profile-gated {
  display: block;
}

.page-home .site-header .brand[data-profile-toggle] {
  position: relative;
  cursor: pointer;
  isolation: isolate;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .site-header .brand[data-profile-toggle]:hover {
  color: var(--accent-deep);
}

.page-home.profile-open .site-header .brand[data-profile-toggle] {
  color: var(--accent-deep);
}

.brand-bloom {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1.6rem;
  height: 1.6rem;
  margin: -0.8rem 0 0 -0.8rem;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  opacity: 0;
  background:
    radial-gradient(circle, rgba(139, 111, 212, 0.35) 0%, rgba(161, 196, 253, 0.18) 42%, transparent 72%);
  box-shadow: 0 0 0 1px rgba(139, 111, 212, 0.12);
}

.profile-avatar {
  position: relative;
  width: 128px;
  height: 128px;
  margin: 0 auto 1.35rem;
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
  /* 仅阴影过渡；transform 留给 :hover，避免落地/展开时 CSS 补一段位移 */
  transition: box-shadow var(--dur-slow) var(--ease);
}

.profile-avatar:hover {
  transform: scale(1.035);
  transition:
    transform var(--dur-slow) var(--ease-out),
    box-shadow var(--dur-slow) var(--ease);
}

.profile-avatar::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--warm), var(--accent));
  opacity: 0.75;
  z-index: 0;
  pointer-events: none;
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease), filter var(--dur-slow) var(--ease);
}

.profile-avatar:hover::before {
  opacity: 1;
  transform: scale(1.04);
  filter: blur(0.5px);
}

.profile-avatar .avatar {
  position: relative;
  z-index: 1;
  display: block;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  object-fit: cover;
  background: transparent;
  border: 3px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 28px rgba(26, 25, 34, 0.1);
  transition: box-shadow var(--dur-slow) var(--ease);
}

.profile-avatar:hover .avatar {
  box-shadow: 0 16px 40px rgba(107, 79, 184, 0.16);
}

.profile-name {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 5vw, 2.35rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.25;
  margin-bottom: 0.2rem;
}

.profile-roman {
  position: relative;
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
  margin: 0 auto 0.55rem;
  overflow: hidden;
}

.profile-sign {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 22em;
  margin: 0 auto;
}

.kaya-sandaime {
  cursor: help;
  text-decoration: underline dotted transparent;
  text-underline-offset: 0.18em;
  transition: text-decoration-color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.kaya-sandaime:hover,
.kaya-sandaime:focus-visible {
  text-decoration-color: color-mix(in srgb, var(--ink-soft) 55%, transparent);
}

.brand-sandaime {
  font-size: 0.72em;
  font-weight: 500;
  margin-left: 0.1em;
  opacity: 0.78;
}

.kaya-sandaime-hint {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: min(360px, calc(100vw - 24px));
  padding: 7px 14px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: color-mix(in srgb, var(--bg-elevated) 92%, transparent);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  left: 0;
  top: 0;
}

.kaya-sandaime-hint__text {
  display: block;
  white-space: nowrap;
}

.kaya-sandaime-hint[hidden] {
  display: none !important;
}

.kaya-sandaime-hint.is-visible {
  opacity: 1;
  transform: translateY(0);
}

body.heavy-rain .kaya-sandaime-hint,
body.storm-rain .kaya-sandaime-hint {
  color: #e8eef5;
  background: rgba(18, 28, 42, 0.92);
  border-color: rgba(120, 160, 210, 0.28);
}

body.sunny-sky .kaya-sandaime-hint {
  background: rgba(255, 252, 246, 0.94);
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.social-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.65rem;
  height: 2.65rem;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--dur-slow) var(--ease-out),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur-slow) var(--ease),
    background var(--dur) var(--ease);
}

.social-pill__icon {
  display: flex;
  width: 1.15rem;
  height: 1.15rem;
  transition: transform var(--dur) var(--ease);
}

.social-pill__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.social-pill:hover {
  border-color: var(--accent-ring);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.social-pill:hover .social-pill__icon {
  transform: scale(1.08);
}

.social-pill--bilibili:hover { background: rgba(59, 163, 196, 0.1); border-color: rgba(59, 163, 196, 0.35); }
.social-pill--youtube:hover { background: rgba(217, 79, 79, 0.1); border-color: rgba(217, 79, 79, 0.35); }
.social-pill--x:hover { background: rgba(58, 58, 58, 0.08); border-color: rgba(58, 58, 58, 0.28); }

/* 简介区（预留） */
.intro-panel {
  margin-bottom: 1.75rem;
}

.intro-panel.is-empty {
  display: none;
}

.intro-panel__body {
  padding: 1.75rem 2rem;
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-slow) var(--ease), border-color var(--dur) var(--ease), transform var(--dur-slow) var(--ease);
}

.intro-panel__body:hover {
  border-color: rgba(139, 111, 212, 0.18);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.intro-panel__body p {
  color: var(--ink-soft);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.intro-panel__body p + p {
  margin-top: 0.85rem;
}

/* Gal 工具入口（LOG 上方，一行两列） */
.home-tool-entries {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.home-tool-entries .site-quiz-entry {
  margin-bottom: 0;
  min-width: 0;
}

.home-tool-entries .site-quiz-entry--wide {
  grid-column: 1 / -1;
}

@media (max-width: 520px) {
  .home-tool-entries {
    grid-template-columns: 1fr;
  }
}

/* Gal 水平测试 / Gal 世代入口 */
.site-quiz-entry {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1.1rem;
  padding: 1.35rem 2.75rem 1.35rem 1.5rem;
  text-align: center;
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  width: 100%;
  box-sizing: border-box;
  transition:
    transform var(--dur-slow) var(--ease-out),
    box-shadow var(--dur-slow) var(--ease),
    border-color var(--dur) var(--ease);
}

.site-quiz-entry:hover {
  transform: translateY(-3px);
  border-color: var(--accent-ring);
  box-shadow: var(--shadow-md);
}

.site-quiz-entry__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.site-quiz-entry__title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.site-quiz-entry__arrow {
  position: absolute;
  right: 1.35rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  color: var(--accent);
  opacity: 0.55;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur) var(--ease);
}

.site-quiz-entry:hover .site-quiz-entry__arrow {
  transform: translate(3px, -50%);
  opacity: 1;
}

/* 站点日志 */
.site-log {
  margin-bottom: 1.25rem;
}

.site-log__inner {
  display: flex;
  align-items: center;
  gap: 1rem 1.25rem;
  padding: 1.1rem 1.25rem 1.1rem 1.35rem;
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-ring);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.site-log__tag {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
  padding: 0.28rem 0.55rem;
  background: var(--accent-soft);
  border-radius: 5px;
}

.site-log__text {
  flex: 1;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.site-log__action {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}

.site-log__hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.4;
  color: var(--ink-faint);
  text-align: right;
  white-space: nowrap;
}

.site-log__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.55rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--accent-deep);
  background: var(--accent-soft);
  border: 1px solid var(--accent-ring);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur-slow) var(--ease-out);
}

.site-log__btn:hover {
  background: rgba(139, 111, 212, 0.18);
  border-color: var(--accent);
  transform: translateY(-1px);
}

body.heavy-rain .site-log__btn:hover,
body.storm-rain .site-log__btn:hover {
  background: rgba(185, 166, 239, 0.24);
}

.site-log__btn::after {
  content: "→";
  font-size: 0.85em;
  opacity: 0.7;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur) var(--ease);
}

.site-log__btn:hover::after {
  transform: translateX(2px);
  opacity: 1;
}

/* 快捷入口 */
.home-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

.home-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.75rem 1.5rem 1.75rem 1.65rem;
  text-align: center;
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition:
    transform var(--dur-slow) var(--ease-out),
    box-shadow var(--dur-slow) var(--ease),
    border-color var(--dur) var(--ease);
}

.home-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-soft), transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease);
}

.home-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-ring);
  box-shadow: var(--shadow-md);
}

.home-card:hover::before { opacity: 1; }

.home-card__label {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.home-card__title {
  position: relative;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.home-card__desc {
  position: relative;
  font-size: 0.9375rem;
  color: var(--ink-faint);
}

.home-card__arrow {
  position: absolute;
  right: 1.35rem;
  bottom: 1.35rem;
  font-size: 1.25rem;
  color: var(--accent);
  opacity: 0.5;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur) var(--ease);
}

.home-card:hover .home-card__arrow {
  transform: translate(3px, -3px);
  opacity: 1;
}

/* MV 素材入口预览 */
.home-card--mv {
  min-height: 14.5rem;
}

.home-card__preview {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.85rem;
  padding: 0.65rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--border);
}

body.heavy-rain .home-card__preview,
body.storm-rain .home-card__preview {
  background: rgba(16, 26, 42, 0.42);
}

.home-card__preview-cell {
  flex: 0 0 calc((100% - 2.5rem) / 6);
  max-width: calc((100% - 2.5rem) / 6);
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 0.45rem;
  background: rgba(232, 236, 246, 0.9);
}

body.heavy-rain .home-card__preview-cell,
body.storm-rain .home-card__preview-cell {
  background: rgba(10, 18, 32, 0.72);
}

.home-card__preview-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

.home-card--mv:hover .home-card__preview-cell img {
  transform: scale(1.06);
}

/* ── MV 素材页：按原图比例写死的分行拼贴 ── */
.page-main--mv .page-head {
  margin-bottom: 1.25rem;
}

.mv-board {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  width: 100%;
}

.mv-board__row {
  display: grid;
  gap: 0.55rem;
  align-items: stretch;
}

.mv-board__item {
  display: block;
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  background: rgba(248, 250, 255, 0.55);
  overflow: hidden;
  cursor: zoom-in;
  transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease);
}

body.heavy-rain .mv-board__item,
body.storm-rain .mv-board__item {
  background: rgba(14, 22, 36, 0.62);
}

body.heavy-rain .mv-board__item:hover,
body.storm-rain .mv-board__item:hover {
  box-shadow: 0 8px 22px rgba(4, 10, 22, 0.32);
}

.mv-board__item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(20, 32, 56, 0.12);
}

.mv-board__item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.mv-lightbox {
  margin: auto;
  padding: 0;
  border: none;
  max-width: min(96vw, 1280px);
  width: min(96vw, 1280px);
  background: transparent;
  color: var(--ink);
  overflow: visible;
  inset: 0;
  height: fit-content;
}

.mv-lightbox::backdrop {
  background: rgba(12, 18, 32, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.mv-lightbox__layout {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-height: 88vh;
}

.mv-lightbox__figure {
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.mv-lightbox__img {
  display: block;
  max-width: 100%;
  max-height: calc(88vh - 4rem);
  margin: 0 auto;
  object-fit: contain;
}

.mv-lightbox__caption {
  margin-top: 0.65rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--ink-faint);
}

.mv-lightbox__rail {
  flex-shrink: 0;
  width: 5.75rem;
  max-height: 88vh;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.4rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  scrollbar-width: thin;
  scrollbar-color: rgba(92, 138, 196, 0.35) transparent;
}

.mv-lightbox__thumb {
  flex-shrink: 0;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.85);
  opacity: 0.72;
  transition:
    opacity var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

body.heavy-rain .mv-lightbox__thumb,
body.storm-rain .mv-lightbox__thumb {
  background: rgba(20, 32, 50, 0.85);
}

.mv-lightbox__thumb:hover {
  opacity: 0.92;
}

.mv-lightbox__thumb.is-active {
  border-color: var(--accent);
  opacity: 1;
  box-shadow: 0 0 0 1px rgba(139, 111, 212, 0.2);
}

.mv-lightbox__thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.mv-lightbox__close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg-elevated);
  color: var(--ink);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.mv-lightbox__close:hover {
  border-color: var(--accent-ring);
  color: var(--accent-deep);
}

/* ── 内页通用 ── */
.page-main {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 2.5rem) var(--pad) 4rem;
}

.page-main--narrow {
  max-width: var(--max);
}

.page-main.page-main--mv {
  max-width: min(1320px, calc(100% - 0.75rem));
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(0.45rem, 1.2vw, 0.75rem) 3rem;
}

.page-head {
  margin-bottom: 2rem;
}

.page-head--center {
  text-align: center;
}

.page-head__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.45rem;
  transition: color var(--dur) var(--ease), letter-spacing var(--dur-slow) var(--ease);
}

.page-head h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 1.85rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: letter-spacing var(--dur-slow) var(--ease);
}

.page-head__sub {
  margin-top: 0.35rem;
  font-size: 0.875rem;
  color: var(--ink-faint);
  transition: color var(--dur) var(--ease);
}

/* ── Gal 水平测试 / Gal 世代：纯静态底，无 blur / 动画 ── */
.page-quiz--flat-bg .site-bg,
.page-sedai--flat-bg .site-bg {
  background: linear-gradient(165deg, #f7f8fc 0%, #f3f0fa 45%, #eef6fc 100%);
}

.page-quiz--flat-bg .site-bg::before,
.page-quiz--flat-bg .site-bg::after,
.page-sedai--flat-bg .site-bg::before,
.page-sedai--flat-bg .site-bg::after {
  display: none !important;
  animation: none !important;
  filter: none !important;
  content: none !important;
}

.page-sedai--flat-bg {
  --glass-blur: none;
}

.page-quiz--standalone {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.page-quiz--standalone .page-main--quiz {
  flex: 1 0 auto;
  padding-top: clamp(1.25rem, 4vw, 2rem);
  padding-bottom: 1.5rem;
}

.page-main--quiz {
  max-width: min(760px, 100%);
}

.page-main--quiz.is-quiz-active {
  max-width: min(980px, 100%);
}

.quiz-back {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.quiz-back a {
  color: var(--ink-faint);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.quiz-back a:hover {
  color: var(--accent);
}

.site-footer--quiz {
  flex-shrink: 0;
  margin-top: auto;
  padding-top: 1rem;
  padding-bottom: clamp(1.25rem, 3vw, 1.75rem);
  text-align: center;
}

.site-footer--quiz .site-footer__credit,
.site-footer--sedai .site-footer__credit {
  margin: 0;
}

/* ── Gal 世代 ── */
.page-sedai--standalone {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.page-sedai--standalone .page-main--sedai {
  flex: 1 0 auto;
  padding-bottom: 1.5rem;
}

.page-main--sedai {
  max-width: 100%;
  padding-top: clamp(1.25rem, 4vw, 2rem);
  padding-left: clamp(0.5rem, 2vw, var(--pad));
  padding-right: clamp(0.5rem, 2vw, var(--pad));
}

.sedai-back {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.sedai-back a {
  color: var(--ink-faint);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.sedai-back a:hover {
  color: var(--accent);
}

.sedai-scroll {
  overflow-x: visible;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.sedai-grid-panel {
  display: flex;
  flex-direction: column;
  border: 1px solid #000;
  border-bottom: none;
  background: #fff;
  width: 100%;
  max-width: 100%;
  color: #000;
}

@media (min-width: 768px) {
  .sedai-grid-panel {
    width: fit-content;
    max-width: min(100%, calc(100vw - 2rem));
  }
}

.sedai-grid-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border-bottom: 1px solid #000;
  font-size: clamp(0.8125rem, 2.6vw, 1.125rem);
  font-weight: 700;
}

.sedai-grid-header h1 {
  font-size: inherit;
  font-weight: inherit;
  line-height: 1.35;
}

.sedai-grid-header__subtitle {
  font-weight: 700;
}

@media (max-width: 520px) {
  .sedai-grid-header__subtitle {
    display: none;
  }
}

.sedai-grid-header__counter {
  flex-shrink: 0;
  white-space: nowrap;
  font-size: clamp(0.6875rem, 2.4vw, 0.875rem);
}

.sedai-year-row {
  display: grid;
  grid-template-columns: auto 1fr;
  border-bottom: 1px solid #000;
}

.sedai-year-label {
  flex-shrink: 0;
  width: 2.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ef4444;
  color: #fff;
  font-weight: 700;
  padding: 0.2rem;
  font-size: clamp(0.625rem, 2.5vw, 0.875rem);
  align-self: stretch;
  border-right: 1px solid #000;
}

.sedai-games-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  min-width: 0;
}

@media (min-width: 400px) {
  .sedai-games-row {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .sedai-games-row {
    grid-template-columns: repeat(20, minmax(0, 1fr));
  }

  .sedai-year-label {
    width: 2.75rem;
  }
}

.sedai-game-btn {
  width: 100%;
  aspect-ratio: 1;
  min-height: 0;
  border-left: 1px solid #000;
  border-top: 1px solid #000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.15rem;
  overflow: hidden;
  text-align: center;
  font-size: clamp(0.5rem, 2.5vw, 0.8125rem);
  word-break: break-all;
  background: #fff;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

@media (min-width: 768px) {
  .sedai-game-btn {
    font-size: clamp(0.5625rem, 0.72vw, 0.8125rem);
  }
}

/* 截图时强制一行 20 格（与导出图一致） */
body.sedai-capture-mode .sedai-scroll {
  overflow: visible;
}

body.sedai-capture-mode .sedai-grid-panel {
  width: fit-content;
  max-width: none;
}

body.sedai-capture-mode .sedai-games-row {
  grid-template-columns: repeat(20, 5rem);
}

body.sedai-capture-mode .sedai-year-label {
  width: 5rem;
  min-height: 5rem;
  font-size: 1rem;
}

body.sedai-capture-mode .sedai-game-btn {
  width: 5rem;
  height: 5rem;
  aspect-ratio: auto;
  font-size: 0.875rem;
}

body.sedai-capture-mode .sedai-grid-header {
  font-size: 1.125rem;
}

body.sedai-capture-mode .sedai-grid-header__subtitle {
  display: inline;
}

body.sedai-capture-mode .sedai-grid-header__counter {
  font-size: 0.875rem;
}

.sedai-game-btn:hover {
  background: #f4f4f5;
}

.sedai-game-btn.is-selected {
  background: #22c55e;
}

.sedai-game-btn.is-selected:hover {
  background: #16a34a;
}

.sedai-game-btn span {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.25;
  width: 100%;
}

.sedai-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.sedai-action-btn {
  border: 1px solid #000;
  border-radius: 0.375rem;
  padding: 0.5rem 1rem;
  display: inline-flex;
  align-items: center;
  background: var(--bg-elevated);
  cursor: pointer;
  font: inherit;
  color: var(--ink);
  transition: background var(--dur) var(--ease);
}

.sedai-action-btn:hover {
  background: var(--bg-soft);
}

.sedai-toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 1000;
}

.sedai-toast.show {
  opacity: 1;
}

.site-footer--sedai {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  padding-bottom: clamp(1.25rem, 3vw, 1.75rem);
  text-align: center;
}

.quiz-panel {
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.page-main--quiz.is-quiz-active .quiz-panel {
  padding: 0;
  overflow: visible;
}

/* display:flex/inline-flex 会盖掉原生 [hidden]，必须强制隐藏 */
.quiz-intro[hidden],
.quiz-play[hidden],
.quiz-result[hidden],
.quiz-nav-backdrop[hidden],
.quiz-feedback[hidden],
.quiz-media[hidden],
.quiz-btn[hidden],
.quiz-review__empty[hidden] {
  display: none !important;
}

.quiz-intro p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.quiz-intro p + p {
  margin-top: 0.65rem;
}

.quiz-intro__note {
  font-size: 0.8125rem !important;
  color: var(--ink-faint) !important;
}

.quiz-intro__hint {
  margin-top: 0.85rem;
  padding: 0.65rem 0.85rem;
  font-size: 0.75rem;
  color: var(--ink-faint);
  line-height: 1.55;
  text-align: center;
  background: rgba(139, 111, 212, 0.06);
  border-radius: var(--radius-sm);
}

.quiz-mode-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.15rem;
}

.quiz-play {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.quiz-play__main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.42);
}

.quiz-play__toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem clamp(1rem, 2.5vw, 1.35rem);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.55);
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.quiz-play__toolbar .quiz-progress {
  flex: 1;
  min-width: 0;
  margin-bottom: 0;
}

.quiz-nav-toggle {
  display: none;
  flex-shrink: 0;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent-deep);
  background: var(--accent-soft);
  border: 1px solid var(--accent-ring);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    transform var(--dur-slow) var(--ease-out);
}

.quiz-nav-toggle:hover {
  background: rgba(139, 111, 212, 0.16);
  transform: translateY(-1px);
}

.quiz-nav-toggle__icon {
  width: 0.875rem;
  height: 0.7rem;
  flex-shrink: 0;
  background:
    linear-gradient(var(--accent-deep), var(--accent-deep)) 0 0 / 100% 2px no-repeat,
    linear-gradient(var(--accent-deep), var(--accent-deep)) 0 50% / 72% 2px no-repeat,
    linear-gradient(var(--accent-deep), var(--accent-deep)) 0 100% / 100% 2px no-repeat;
}

.quiz-nav-backdrop {
  display: none;
}

.quiz-nav {
  position: sticky;
  top: 0.75rem;
  flex-shrink: 0;
  width: 13.5rem;
  height: min(52vh, 26rem);
  max-height: min(52vh, 26rem);
  display: flex;
  flex-direction: column;
  padding: 0.85rem 0.55rem 0.85rem 0.9rem;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px) saturate(1.15);
  -webkit-backdrop-filter: blur(12px) saturate(1.15);
  border-right: 1px solid var(--border);
  align-self: flex-start;
  overflow: hidden;
}

.quiz-nav__head {
  flex-shrink: 0;
  margin-bottom: 0.65rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

.quiz-nav__head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}

.quiz-nav__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.quiz-nav__count {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.12rem;
  font-family: var(--font-mono);
  line-height: 1;
}

.quiz-nav__count-done {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.quiz-nav__count-sep {
  font-size: 0.875rem;
  color: var(--ink-faint);
  margin: 0 0.1rem;
}

.quiz-nav__count-total {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.quiz-nav__count-label {
  margin-left: 0.4rem;
  font-size: 0.625rem;
  color: var(--ink-faint);
}

.quiz-nav__mini-bar {
  margin-top: 0.45rem;
  height: 3px;
  background: rgba(26, 25, 34, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.quiz-nav__mini-bar i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  border-radius: inherit;
  transition: width 0.35s var(--ease);
}

.quiz-nav__close {
  display: none;
  flex-shrink: 0;
  width: 1.65rem;
  height: 1.65rem;
  padding: 0;
  font-size: 1.125rem;
  line-height: 1;
  color: var(--ink-faint);
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition:
    color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.quiz-nav__close:hover {
  color: var(--accent-deep);
  border-color: var(--accent-ring);
  background: var(--accent-soft);
}

.quiz-nav__list {
  list-style: none;
  margin: 0;
  padding: 0.1rem 0.35rem 0.35rem 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.4rem;
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: scroll;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: rgba(139, 111, 212, 0.55) rgba(26, 25, 34, 0.06);
}

.quiz-nav__list::-webkit-scrollbar {
  width: 8px;
}

.quiz-nav__list::-webkit-scrollbar-track {
  background: rgba(26, 25, 34, 0.05);
  border-radius: var(--radius-full);
}

.quiz-nav__list::-webkit-scrollbar-thumb {
  background: rgba(139, 111, 212, 0.45);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background-clip: content-box;
}

.quiz-nav__list::-webkit-scrollbar-thumb:hover {
  background: rgba(107, 79, 184, 0.7);
  background-clip: content-box;
  border: 2px solid transparent;
}

.quiz-nav__item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  aspect-ratio: 1;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.quiz-nav__item:hover {
  border-color: var(--accent-ring);
  background: #fff;
  box-shadow: 0 2px 8px rgba(139, 111, 212, 0.12);
}

.quiz-nav__item:active {
  transform: scale(0.96);
}

.quiz-nav__item.is-current {
  color: #fff;
  background: linear-gradient(145deg, var(--accent), var(--accent-deep));
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(107, 79, 184, 0.28);
}

.quiz-nav__item.is-done:not(.is-current) {
  color: var(--accent-deep);
  border-color: var(--accent-ring);
  background: var(--accent-soft);
}

.quiz-nav__item.is-done:not(.is-current)::after {
  content: "";
  position: absolute;
  top: 3px;
  right: 3px;
  width: 5px;
  height: 5px;
  border-radius: var(--radius-full);
  background: var(--accent);
  border: 1px solid #fff;
}

/* 全部测试：侧栏稍宽，仍保证可点尺寸 */
.quiz-play.is-full .quiz-nav {
  width: 14.5rem;
  height: min(48vh, 24rem);
  max-height: min(48vh, 24rem);
}

.quiz-play.is-full .quiz-nav__list {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.35rem;
}

.quiz-play.is-full .quiz-nav__item {
  min-height: 2.2rem;
  font-size: 0.6875rem;
}

@media (max-width: 767px) {
  .quiz-play {
    display: block;
  }

  .quiz-play__main {
    background: transparent;
  }

  .quiz-play__toolbar {
    position: sticky;
    top: 0;
  }

  .quiz-nav-toggle {
    display: inline-flex;
  }

  .quiz-nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 190;
    background: rgba(22, 24, 32, 0.32);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: opacity var(--dur) var(--ease);
  }

  .quiz-play.is-nav-open .quiz-nav-backdrop {
    display: block;
  }

  .quiz-nav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 200;
    width: min(86vw, 17.5rem);
    max-height: none;
    padding: 1.15rem 1rem 1.25rem;
    border-right: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    transform: translateX(-105%);
    transition: transform 0.32s var(--ease);
    box-shadow: 8px 0 40px rgba(26, 25, 34, 0.12);
  }

  .quiz-play.is-nav-open .quiz-nav {
    transform: translateX(0);
  }

  .quiz-nav__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .quiz-nav__list {
    flex: 1;
    max-height: none;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .quiz-nav__item {
    min-height: 2.6rem;
    font-size: 0.8125rem;
  }

  .quiz-play.is-full .quiz-nav__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .quiz-play.is-full .quiz-nav__item {
    min-height: 2.5rem;
    font-size: 0.75rem;
  }

  .quiz-play__toolbar {
    background: rgba(255, 255, 255, 0.72);
  }
}

.quiz-progress {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
}

.quiz-progress__label {
  flex-shrink: 0;
  min-width: 3.25rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.quiz-progress__track,
.quiz-progress__bar {
  flex: 1;
  height: 6px;
  background: rgba(26, 25, 34, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.quiz-progress__track i,
.quiz-progress__bar i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  border-radius: inherit;
  box-shadow: 0 0 12px rgba(139, 111, 212, 0.45);
  transition: width 0.35s var(--ease);
}

.quiz-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: clamp(1rem, 2.5vw, 1.35rem) clamp(1rem, 2.5vw, 1.5rem) clamp(1.15rem, 2.5vw, 1.45rem);
}

.quiz-card__head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.75rem;
}

.quiz-card__num {
  flex-shrink: 0;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent-deep);
  background: var(--accent-soft);
  border: 1px solid var(--accent-ring);
  border-radius: var(--radius-full);
}

.quiz-card__meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--ink-faint);
}

.quiz-card__q {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.8vw, 1.2rem);
  font-weight: 600;
  line-height: 1.65;
  margin-bottom: 1rem;
}

/* TEMP: 校对用参考答案，确认后删除 */
.quiz-answer-debug {
  margin: -0.35rem 0 1rem;
  padding: 0.7rem 0.85rem;
  border: 1px dashed #c45c26;
  border-radius: 10px;
  background: #fff7ed;
  color: #7c2d12;
  font-size: 0.88rem;
  line-height: 1.55;
}

.quiz-answer-debug__label {
  display: inline-block;
  margin-bottom: 0.25rem;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: #c45c26;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.quiz-answer-debug__type {
  display: inline-block;
  margin: 0 0 0.25rem 0.35rem;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
}

.quiz-answer-debug__type.is-converted {
  background: #7c3aed;
  color: #fff;
}

.quiz-answer-debug__type.is-text {
  background: #0f766e;
  color: #fff;
}

.quiz-answer-debug__type.is-match {
  background: #b45309;
  color: #fff;
}

.quiz-answer-debug__type.is-orig-choice {
  background: #475569;
  color: #fff;
}

.quiz-answer-debug__ans {
  margin: 0.2rem 0 0;
  font-weight: 600;
  word-break: break-word;
}

.quiz-answer-debug__explain {
  margin: 0.35rem 0 0;
  color: #9a3412;
  opacity: 0.92;
}

.quiz-media {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.quiz-media[hidden] {
  display: none !important;
}

.quiz-media__item {
  margin: 0;
}

.quiz-media--compare-dual,
.quiz-media--compare-lr,
.quiz-media--compare-triple,
.quiz-media--compare-quad,
.quiz-media--compare-sept,
.quiz-media--compare-six,
.quiz-media--compare-gallery3,
.quiz-media--compare-gallery4,
.quiz-media--compare-gallery5,
.quiz-media--compare-gallery6,
.quiz-media--compare-hint3 {
  display: grid;
  gap: 0.65rem;
  align-items: start;
}

.quiz-media--compare-dual,
.quiz-media--compare-lr {
  grid-template-columns: 1fr 1fr;
}

.quiz-media--compare-triple,
.quiz-media--compare-gallery3,
.quiz-media--compare-hint3 {
  grid-template-columns: repeat(3, 1fr);
}

.quiz-media--compare-quad,
.quiz-media--compare-gallery4 {
  grid-template-columns: repeat(4, 1fr);
}

/* 六图：固定 2×3，保留 tee/乐器/参考分组语义 */
.quiz-media--compare-six,
.quiz-media--compare-gallery6 {
  grid-template-columns: repeat(3, 1fr);
}

.quiz-media--compare-gallery5 {
  grid-template-columns: repeat(3, 1fr);
}

.quiz-media--compare-gallery5 .quiz-media__item:first-child {
  grid-column: 1 / -1;
  max-width: min(100%, 360px);
  margin-inline: auto;
}

.quiz-media--compare-sept {
  grid-template-columns: repeat(4, 1fr);
}

.quiz-media--compare .quiz-media__item img {
  max-height: min(28vh, 220px);
  width: 100%;
  max-width: 100%;
  object-fit: contain;
  object-position: center top;
}

.quiz-media--compare-six .quiz-media__item img,
.quiz-media--compare-gallery6 .quiz-media__item img,
.quiz-media--compare-sept .quiz-media__item img,
.quiz-media--compare-gallery5 .quiz-media__item:not(:first-child) img {
  max-height: min(22vh, 160px);
}

.quiz-media--compare-gallery5 .quiz-media__item:first-child img {
  max-height: min(30vh, 260px);
}

.quiz-media__label {
  text-align: center;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.35rem;
  color: var(--ink-soft);
}

.quiz-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.quiz-match {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.quiz-match__hint {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-faint);
  line-height: 1.45;
}

.quiz-match-slots {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.quiz-match-slot {
  display: grid;
  grid-template-columns: minmax(2.75rem, max-content) minmax(0, 1fr);
  gap: 0.55rem;
  align-items: center;
  width: 100%;
  padding: 0.65rem 0.85rem;
  text-align: left;
  font: inherit;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.72);
  border: 1.5px dashed var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.quiz-match-slot.is-drop-target,
.quiz-match-slot.is-dragover {
  border-color: var(--accent);
  background: rgba(139, 111, 212, 0.08);
  box-shadow: 0 0 0 2px rgba(139, 111, 212, 0.12);
}

.quiz-match-slot.is-filled {
  border-style: solid;
  border-color: var(--accent-ring);
  color: var(--ink);
  background: #fff;
}

.quiz-match-slot__lab {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-deep);
  text-align: left;
  line-height: 1.35;
  max-width: 12rem;
  word-break: break-word;
}

.quiz-match-slot__value {
  font-size: 0.9rem;
  line-height: 1.4;
  min-height: 1.25em;
}

.quiz-match-slot:not(.is-filled) .quiz-match-slot__value {
  color: var(--ink-faint);
}

.quiz-match-pool {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.quiz-match-chip {
  padding: 0.5rem 0.9rem;
  font-size: 0.875rem;
  line-height: 1.3;
  color: var(--ink-soft);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: grab;
  user-select: none;
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    opacity var(--dur) var(--ease),
    transform var(--dur-slow) var(--ease-out);
}

.quiz-match-chip:hover:not(:disabled) {
  border-color: var(--accent-ring);
  transform: translateY(-1px);
}

.quiz-match-chip.is-held {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(139, 111, 212, 0.16), rgba(139, 111, 212, 0.06));
  color: var(--ink);
  box-shadow: 0 4px 14px rgba(107, 79, 184, 0.14);
}

.quiz-match-chip.is-dragging {
  opacity: 0.45;
}

.quiz-match-chip.is-used,
.quiz-match-chip:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
  text-decoration: line-through;
}

.quiz-text-wrap--blanks {
  gap: 0.75rem;
}

.quiz-blank-row {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 0.55rem;
  align-items: center;
}

.quiz-blank-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-deep);
  text-align: center;
}

.quiz-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.quiz-chip {
  padding: 0.45rem 0.85rem;
  font-size: 0.875rem;
  line-height: 1.3;
  color: var(--ink-soft);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    transform var(--dur-slow) var(--ease-out);
}

.quiz-chip:hover {
  border-color: var(--accent-ring);
  transform: translateY(-1px);
}

.quiz-chip:active {
  transform: translateY(0);
}

@media (max-width: 640px) {
  .quiz-media--compare-dual,
  .quiz-media--compare-lr,
  .quiz-media--compare-triple,
  .quiz-media--compare-quad,
  .quiz-media--compare-sept,
  .quiz-media--compare-six,
  .quiz-media--compare-gallery3,
  .quiz-media--compare-gallery4,
  .quiz-media--compare-gallery5,
  .quiz-media--compare-gallery6,
  .quiz-media--compare-hint3 {
    gap: 0.45rem;
  }

  .quiz-media--compare-dual,
  .quiz-media--compare-lr {
    grid-template-columns: 1fr 1fr;
  }

  .quiz-media--compare-triple,
  .quiz-media--compare-gallery3,
  .quiz-media--compare-hint3 {
    grid-template-columns: 1fr;
  }

  .quiz-media--compare-quad,
  .quiz-media--compare-gallery4,
  .quiz-media--compare-six,
  .quiz-media--compare-gallery6,
  .quiz-media--compare-gallery5 {
    grid-template-columns: repeat(2, 1fr);
  }

  .quiz-media--compare-gallery5 .quiz-media__item:first-child {
    grid-column: 1 / -1;
  }

  .quiz-media--compare-sept {
    grid-template-columns: repeat(3, 1fr);
  }

  .quiz-media--compare .quiz-media__item img {
    max-height: min(30vh, 200px);
  }

  .quiz-media--compare-six .quiz-media__item img,
  .quiz-media--compare-gallery6 .quiz-media__item img,
  .quiz-media--compare-sept .quiz-media__item img {
    max-height: min(22vh, 140px);
  }

  .quiz-match-slot {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .quiz-media__label {
    font-size: 0.8125rem;
  }
}

.quiz-media__item img {
  display: block;
  width: auto;
  max-width: min(100%, 440px);
  max-height: min(38vh, 340px);
  height: auto;
  margin-inline: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.65);
  box-shadow: 0 4px 20px rgba(26, 25, 34, 0.05);
}

.quiz-media__item.is-error {
  padding: 0.85rem 1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: rgba(232, 236, 246, 0.45);
}

.quiz-media__error {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-faint);
  text-align: center;
}

.quiz-media__audio,
.quiz-media__video {
  width: 100%;
  max-width: min(100%, 520px);
  margin-inline: auto;
}

.quiz-media__audio audio,
.quiz-media__video video {
  display: block;
  width: 100%;
  max-width: 100%;
  max-height: min(40vh, 360px);
}

.quiz-answers {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.1rem;
}

.quiz-option {
  text-align: left;
  padding: 0.8rem 1rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform var(--dur-slow) var(--ease-out);
}

.quiz-option:hover {
  border-color: var(--accent-ring);
  background: #fff;
  box-shadow: 0 4px 14px rgba(139, 111, 212, 0.1);
  transform: translateY(-1px);
}

.quiz-option.is-selected {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(139, 111, 212, 0.14), rgba(139, 111, 212, 0.06));
  color: var(--ink);
  box-shadow: 0 4px 16px rgba(107, 79, 184, 0.14);
  transform: none;
}

.quiz-option.is-correct {
  border-color: #3d9a6a;
  background: rgba(61, 154, 106, 0.12);
}

.quiz-option.is-wrong {
  border-color: #c45c5c;
  background: rgba(196, 92, 92, 0.1);
}

.quiz-input {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border);
  border-radius: 12px;
  outline: none;
  transition:
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.quiz-input:focus {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(139, 111, 212, 0.14);
}

.quiz-feedback {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 0.85rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
}

.quiz-feedback__verdict {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.quiz-feedback__detail,
.quiz-review-item__meta {
  display: grid;
  gap: 0.45rem;
  margin: 0;
}

.quiz-feedback__detail div,
.quiz-review-item__meta div {
  display: grid;
  grid-template-columns: 4.5em 1fr;
  gap: 0.5rem;
  align-items: start;
}

.quiz-feedback__detail dt,
.quiz-review-item__meta dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
}

.quiz-feedback__detail dd,
.quiz-review-item__meta dd {
  margin: 0;
  word-break: break-word;
}

.quiz-feedback.is-ok {
  color: #3d9a6a;
  border-color: rgba(61, 154, 106, 0.35);
  background: rgba(61, 154, 106, 0.08);
}

.quiz-feedback.is-ng {
  color: #b04a4a;
  border-color: rgba(196, 92, 92, 0.35);
  background: rgba(196, 92, 92, 0.08);
}

.quiz-feedback.is-warn {
  color: var(--accent-deep);
  border-color: var(--accent-ring);
  background: var(--accent-soft);
}

.quiz-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--border);
  margin-top: 0.15rem;
}

.page-main--quiz.is-quiz-active .quiz-actions {
  margin-top: 1.1rem;
  padding-top: 1rem;
}

.quiz-actions .quiz-btn--primary {
  flex: 1;
  min-width: 8rem;
}

.quiz-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform var(--dur-slow) var(--ease-out);
}

.quiz-btn:hover {
  border-color: var(--accent-ring);
  background: #fff;
  box-shadow: 0 4px 14px rgba(26, 25, 34, 0.06);
  transform: translateY(-1px);
}

.quiz-btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(107, 79, 184, 0.28);
}

.quiz-btn--primary:hover {
  border-color: transparent;
  background: linear-gradient(135deg, #9a7ee0, var(--accent-deep));
  box-shadow: 0 8px 24px rgba(107, 79, 184, 0.34);
}

.quiz-result {
  text-align: center;
}

.quiz-result__score {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 8vw, 3.25rem);
  font-weight: 600;
  color: var(--accent-deep);
  line-height: 1;
}

.quiz-result__score small {
  font-size: 0.45em;
  color: var(--ink-faint);
}

.quiz-result__detail,
.quiz-result__rank {
  margin-top: 0.65rem;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

.quiz-result .quiz-actions {
  justify-content: center;
  margin-top: 1.25rem;
}

.quiz-review {
  margin-top: 1.5rem;
  text-align: left;
}

.quiz-live-review {
  margin-top: 1.35rem;
  padding-top: 1.15rem;
  border-top: 1px dashed var(--border);
}

.quiz-live-review__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 0.75rem;
  margin-bottom: 0.35rem;
}

.quiz-live-review__title,
.quiz-review__title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin: 0;
}

.quiz-live-review__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
}

.quiz-live-review__hint {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  color: var(--ink-faint);
  line-height: 1.55;
}

.quiz-review-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.quiz-review-item {
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.quiz-review-item.is-ok {
  border-color: rgba(61, 154, 106, 0.35);
}

.quiz-review-item.is-ng {
  border-color: rgba(196, 92, 92, 0.35);
}

.quiz-review-item__head {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.quiz-review-item__badge {
  display: inline-flex;
  width: 1.25rem;
  height: 1.25rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-weight: 700;
}

.quiz-review-item.is-ok .quiz-review-item__badge {
  color: #3d9a6a;
  background: rgba(61, 154, 106, 0.15);
}

.quiz-review-item.is-ng .quiz-review-item__badge {
  color: #b04a4a;
  background: rgba(196, 92, 92, 0.12);
}

.quiz-review-item__id {
  color: var(--ink-faint);
}

.quiz-review-item__q {
  margin: 0 0 0.55rem;
  color: var(--ink-soft);
}

.quiz-review--final {
  max-height: min(60vh, 520px);
  overflow: auto;
  padding-right: 0.25rem;
}

.quiz-review__empty {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: #3d9a6a;
  text-align: center;
}

.site-footer__credit {
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--ink-faint);
}

.site-footer__credit a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── 作品网格 ── */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.1rem;
}

.work-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  content-visibility: auto;
  contain-intrinsic-size: auto 280px;
  transition:
    transform var(--dur-slow) var(--ease-out),
    box-shadow var(--dur-slow) var(--ease),
    border-color var(--dur) var(--ease);
}

.work-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-ring);
  box-shadow: var(--shadow-md);
}

.work-card__thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(232, 236, 246, 0.9);
}

.work-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s var(--ease-out), filter var(--dur-slow) var(--ease);
}

.work-card:hover .work-card__thumb img {
  transform: scale(1.05);
  filter: brightness(1.03);
}

.work-card__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--accent-deep);
  background: rgba(26, 25, 34, 0.22);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  z-index: 1;
}

.work-card__play::before {
  content: "";
  position: absolute;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-slow) var(--ease-out);
}

.work-card:hover .work-card__play { opacity: 1; }
.work-card:hover .work-card__play::before { transform: scale(1.06); }

.work-card__body {
  padding: 1rem 1.1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
}

.work-card__index {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  transition: letter-spacing var(--dur) var(--ease);
}

.work-card:hover .work-card__index {
  letter-spacing: 0.16em;
}

.work-card__title {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--dur) var(--ease);
}

.work-card:hover .work-card__title {
  color: var(--accent-deep);
}

.work-card__meta {
  margin-top: auto;
  padding-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--ink-faint);
}

/* ── 链接页 ── */
.link-cards {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--dur-slow) var(--ease-out),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur-slow) var(--ease),
    background var(--dur) var(--ease);
}

.link-card:hover {
  transform: translateX(6px);
  border-color: var(--accent-ring);
  box-shadow: var(--shadow-md);
}

.link-card__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  background: rgba(26, 25, 34, 0.05);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.link-card:hover .link-card__icon {
  transform: scale(1.06);
}

.link-card__icon svg {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
}

.link-card--bilibili .link-card__icon { background: rgba(59, 163, 196, 0.12); }
.link-card--youtube .link-card__icon { background: rgba(217, 79, 79, 0.12); }
.link-card--x .link-card__icon { background: rgba(58, 58, 58, 0.08); }

.link-card__text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.link-card__text strong {
  font-size: 0.9375rem;
  font-weight: 600;
}

.link-card__text small {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--ink-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.link-card__arrow {
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--accent);
  opacity: 0.6;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.link-card:hover .link-card__arrow {
  opacity: 1;
  transform: translate(3px, -3px);
}

/* ── 页脚 ── */
.site-footer {
  position: relative;
  z-index: 10;
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 1.5rem var(--pad) 2.5rem;
  text-align: center;
}

.site-footer > p {
  font-size: 0.75rem;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
  transition: color var(--dur) var(--ease);
}

.site-footer:hover > p {
  color: var(--ink-soft);
}

.site-footer > .site-footer__motto {
  margin-top: 0.55rem;
  font-size: 1.125rem;
  letter-spacing: 0.1em;
  opacity: 0.72;
}

.site-footer:hover > .site-footer__motto {
  opacity: 0.9;
}

.footer-sites {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.15rem;
  padding: 0.55rem 1.15rem;
  font: inherit;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition:
    transform var(--dur-slow) var(--ease-out),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur-slow) var(--ease),
    color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.footer-sites:hover,
.footer-sites:focus-visible {
  color: var(--accent-deep);
  border-color: var(--accent-ring);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  outline: none;
}

.footer-sites-dialog {
  margin: auto;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--ink);
  max-width: min(92vw, 22rem);
  width: min(92vw, 22rem);
  inset: 0;
  height: fit-content;
}

.footer-sites-dialog::backdrop {
  background: rgba(18, 20, 32, 0.42);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.footer-sites-dialog[open]::backdrop {
  animation: sites-dialog-backdrop-in 0.28s var(--ease, cubic-bezier(0.22, 1, 0.36, 1)) both;
}

.footer-sites-dialog[open] .footer-sites-dialog__panel {
  animation: sites-dialog-panel-in 0.34s var(--ease, cubic-bezier(0.22, 1, 0.36, 1)) both;
}

.footer-sites-dialog[open] .footer-sites-item {
  animation: sites-dialog-item-in 0.3s var(--ease, cubic-bezier(0.22, 1, 0.36, 1)) both;
}

.footer-sites-dialog[open] .footer-sites-item:nth-child(1) { animation-delay: 0.05s; }
.footer-sites-dialog[open] .footer-sites-item:nth-child(2) { animation-delay: 0.1s; }
.footer-sites-dialog[open] .footer-sites-item:nth-child(3) { animation-delay: 0.15s; }

@keyframes sites-dialog-backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes sites-dialog-panel-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes sites-dialog-item-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.footer-sites-dialog__panel {
  position: relative;
  z-index: 1;
  padding: 0.85rem 0.9rem 0.95rem;
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.footer-sites-dialog__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
  padding: 0 0.15rem;
}

.footer-sites-dialog__title {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.footer-sites-dialog__close {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--ink-faint);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.footer-sites-dialog__close:hover,
.footer-sites-dialog__close:focus-visible {
  color: var(--ink);
  background: var(--accent-soft);
  outline: none;
}

.footer-sites-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.footer-sites-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
  margin: 0;
  padding: 0.75rem 0.8rem;
  font: inherit;
  text-align: left;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition:
    transform var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.footer-sites-item:hover,
.footer-sites-item:focus-visible {
  transform: translateY(-1px);
  border-color: var(--accent-ring);
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.72);
  outline: none;
}

.footer-sites-item.is-wip .footer-sites-item__arrow {
  letter-spacing: 0.08em;
  opacity: 0.72;
}

/* 半透明浮层提示：须挂在 dialog 内，才能压过 ::backdrop（top layer） */
.footer-sites-dialog .kaya-toast {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 2;
  max-width: min(86vw, 16rem);
  padding: 0.7rem 1.15rem;
  font-size: 0.875rem;
  line-height: 1.45;
  letter-spacing: 0.04em;
  text-align: center;
  color: rgba(255, 255, 255, 0.94);
  background: rgba(22, 24, 34, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(12, 14, 24, 0.28);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%);
}

.footer-sites-dialog .kaya-toast.is-on {
  animation: kaya-toast-in 0.34s var(--ease, cubic-bezier(0.22, 1, 0.36, 1)) both;
}

.footer-sites-dialog .kaya-toast.is-off {
  animation: kaya-toast-out 0.28s var(--ease, cubic-bezier(0.4, 0, 0.2, 1)) both;
}

@keyframes kaya-toast-in {
  from {
    opacity: 0;
    transform: translate(-50%, -42%) scale(0.92);
    filter: blur(3px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    filter: blur(0);
  }
}

@keyframes kaya-toast-out {
  from {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    filter: blur(0);
  }
  to {
    opacity: 0;
    transform: translate(-50%, -58%) scale(0.94);
    filter: blur(2px);
  }
}

.footer-sites-dialog .kaya-toast[hidden] {
  display: none;
}

body.heavy-rain .footer-sites-dialog .kaya-toast,
body.storm-rain .footer-sites-dialog .kaya-toast {
  background: rgba(14, 20, 34, 0.78);
  border-color: rgba(180, 205, 235, 0.18);
}

.footer-sites-item__avatar {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border, rgba(26, 25, 34, 0.08));
  background: rgba(26, 25, 34, 0.06);
}

.footer-sites-item__text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.footer-sites-item__text strong {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.footer-sites-item__text small {
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--ink-faint);
}

.footer-sites-item__arrow {
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--ink-soft);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.footer-sites-item:hover .footer-sites-item__arrow,
.footer-sites-item:focus-visible .footer-sites-item__arrow {
  color: var(--accent);
  transform: translateX(3px);
}

body.heavy-rain .footer-sites-item__avatar {
  border-color: rgba(180, 200, 230, 0.22);
}

/* ── 入场动画 ── */
.home-intro {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  pointer-events: none;
  opacity: 0;
  overflow: hidden;
}

.home-intro-playing {
  overflow: hidden;
}

.home-intro-playing .home-intro {
  opacity: 1;
}

.home-intro__rain,
.home-intro__mist,
.home-intro__grain {
  position: absolute;
  inset: 0;
}

.home-intro__rain {
  width: 100%;
  height: 100%;
  opacity: 0.7;
}


.home-intro__grain {
  opacity: 0.18;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.55'/></svg>");
}

.home-intro__stage {
  position: relative;
  z-index: 2;
  text-align: center;
  width: min(86vw, 36rem);
}

.home-intro__wrap {
  position: relative;
  display: block;
  width: 100%;
  max-width: 36rem;
  margin: 0 auto;
  aspect-ratio: 1400 / 440;
  /* 无 aspect-ratio 时避免高度塌成 0，导致液体字 canvas 死锁 */
  min-height: clamp(4.5rem, 22vw, 11rem);
  filter: drop-shadow(0 0 32px rgba(139, 111, 212, 0.2));
}

.home-intro__liquid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
}

.home-intro-playing .home-intro__wrap {
  animation: wrap-in 0.45s var(--ease) both;
}

.home-intro__rule {
  display: block;
  height: 1px;
  width: 0;
  margin: 1.15rem auto 0;
  background: linear-gradient(90deg, transparent, var(--accent), var(--warm), transparent);
  opacity: 0.85;
}

.home-intro-playing .home-intro__rule {
  animation: rule-draw 0.55s cubic-bezier(0.22, 1, 0.36, 1) 1.45s forwards;
}

.home-intro.is-done {
  opacity: 1;
  animation: intro-out 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.home-intro.is-done .home-intro__stage {
  animation: intro-stage-out 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.home-intro.is-done .home-intro__rain,
.home-intro.is-done .home-intro__mist,
.home-intro.is-done .home-intro__grain {
  animation: intro-veil-out 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes wrap-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes rule-draw {
  from { width: 0; opacity: 0; }
  to { width: min(19rem, 72vw); opacity: 0.85; }
}

@keyframes mist-breathe {
  0% { opacity: 0.35; transform: scale(1.04); }
  55% { opacity: 1; }
  100% { opacity: 0.7; }
}

@keyframes intro-out {
  0% {
    opacity: 1;
    filter: blur(0);
  }
  55% {
    opacity: 0.55;
    filter: blur(2px);
  }
  100% {
    opacity: 0;
    filter: blur(8px);
    visibility: hidden;
  }
}

@keyframes intro-stage-out {
  0% {
    opacity: 1;
    filter: blur(0);
    transform: scale(1) translateY(0);
  }
  100% {
    opacity: 0;
    filter: blur(14px);
    transform: scale(1.06) translateY(-8px);
  }
}

@keyframes intro-veil-out {
  to { opacity: 0; }
}

@keyframes light-sweep {
  from { transform: translateX(-140%) skewX(-18deg); }
  to { transform: translateX(420%) skewX(-18deg); }
}

/* from 也保持可见：部分机（小米 HyperOS）动画卡在起点时，both+opacity:0 = 只剩雨的黑屏 */
@keyframes rise-in {
  from { opacity: 1; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-home .site-header,
.page-home .intro-panel,
.page-home .home-tool-entries,
.page-home .site-footer {
  opacity: 0;
}

/* 静态 opacity 必须压过动画；勿用 both（delay 期间会强制 from，部分机关动画后永不结束） */
.page-home.home-ready .site-header,
.page-home.home-ready .intro-panel,
.page-home.home-ready .home-tool-entries,
.page-home.home-ready .site-footer,
.page-home.home-ready .social-pill {
  opacity: 1;
}

.page-home.home-ready .site-header { animation: rise-in 0.7s var(--ease) 0.05s forwards; }
.page-home.home-ready .intro-panel { animation: rise-in 0.7s var(--ease) 0.22s forwards; }
.page-home.home-ready .home-tool-entries { animation: rise-in 0.7s var(--ease) 0.32s forwards; }
.page-home.home-ready .site-footer { animation: rise-in 0.7s var(--ease) 0.42s forwards; }

.page-home.home-ready .social-pill {
  animation: rise-in 0.55s var(--ease) forwards;
}
.page-home.home-ready .social-pill:nth-child(1) { animation-delay: 0.52s; }
.page-home.home-ready .social-pill:nth-child(2) { animation-delay: 0.60s; }
.page-home.home-ready .social-pill:nth-child(3) { animation-delay: 0.68s; }

/* 兜底：入场结束后关掉 animation，杜绝机型把 fill 卡在不可见态 */
.page-home.home-revealed .site-header,
.page-home.home-revealed .intro-panel,
.page-home.home-revealed .home-tool-entries,
.page-home.home-revealed .site-footer,
.page-home.home-revealed .social-pill {
  opacity: 1 !important;
  animation: none !important;
  transform: none;
}

.page-home.profile-open.home-ready .profile-roman::after {
  content: "";
  position: absolute;
  inset: -20% 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.8) 50%, transparent 65%);
  transform: translateX(-120%) skewX(-16deg);
  animation: light-sweep 1.1s var(--ease) 0.85s both;
  pointer-events: none;
}

/* ── 内页入场 ── */
.page-works .site-header,
.page-works .page-head,
.page-works .site-footer,
.page-links .site-header,
.page-links .page-head,
.page-links .site-footer,
.page-mv .site-header,
.page-mv .page-head,
.page-mv .site-footer,
.page-quiz .page-head,
.page-quiz .quiz-panel,
.page-quiz .site-footer,
.page-sedai .sedai-back,
.page-sedai .sedai-scroll,
.page-sedai .sedai-actions,
.page-sedai .site-footer,
.page-pick .pick-back,
.page-pick .pick-shell,
.page-pick .site-footer {
  opacity: 0;
}

/* SPA 软切换：壳层已在，勿再把 header/footer 藏起来闪一下 */
body.kaya-spa-live.page-works .site-header,
body.kaya-spa-live.page-works .site-footer,
body.kaya-spa-live.page-links .site-header,
body.kaya-spa-live.page-links .site-footer,
body.kaya-spa-live.page-mv .site-header,
body.kaya-spa-live.page-mv .site-footer {
  opacity: 1;
  animation: none !important;
  transform: none;
}

.page-quiz .quiz-back {
  opacity: 0;
}

.page-works .work-card,
.page-links .link-card,
.page-mv .mv-board {
  opacity: 0;
}

.page-works.page-ready .site-header,
.page-links.page-ready .site-header,
.page-mv.page-ready .site-header {
  animation: rise-in 0.65s var(--ease) 0.04s both;
}

.page-quiz.page-ready .quiz-back {
  animation: rise-in 0.55s var(--ease) 0.02s both;
}

.page-works.page-ready .page-head,
.page-links.page-ready .page-head,
.page-mv.page-ready .page-head,
.page-quiz.page-ready .page-head {
  animation: rise-in 0.7s var(--ease) 0.12s both;
}

.page-quiz.page-ready .quiz-panel {
  animation: rise-in 0.7s var(--ease) 0.18s both;
}

.page-quiz.page-ready .site-footer {
  animation: rise-in 0.65s var(--ease) 0.24s both;
}

.page-sedai.page-ready .sedai-back {
  animation: rise-in 0.55s var(--ease) 0.02s both;
}

.page-sedai.page-ready .sedai-scroll {
  animation: rise-in 0.7s var(--ease) 0.12s both;
}

.page-sedai.page-ready .sedai-actions {
  animation: rise-in 0.65s var(--ease) 0.18s both;
}

.page-sedai.page-ready .site-footer {
  animation: rise-in 0.65s var(--ease) 0.24s both;
}

.page-pick.page-ready .pick-back {
  animation: rise-in 0.55s var(--ease) 0.06s both;
}

.page-pick.page-ready .pick-shell {
  animation: rise-in 0.7s var(--ease) 0.12s both;
}

.page-pick.page-ready .site-footer {
  animation: rise-in 0.65s var(--ease) 0.22s both;
}

.page-works.page-ready .work-card {
  animation: rise-in 0.55s var(--ease) both;
}

.page-works.page-ready .work-card:nth-child(1) { animation-delay: 0.18s; }
.page-works.page-ready .work-card:nth-child(2) { animation-delay: 0.24s; }
.page-works.page-ready .work-card:nth-child(3) { animation-delay: 0.30s; }
.page-works.page-ready .work-card:nth-child(4) { animation-delay: 0.36s; }
.page-works.page-ready .work-card:nth-child(5) { animation-delay: 0.42s; }
.page-works.page-ready .work-card:nth-child(6) { animation-delay: 0.48s; }
.page-works.page-ready .work-card:nth-child(7) { animation-delay: 0.54s; }
.page-works.page-ready .work-card:nth-child(8) { animation-delay: 0.60s; }
.page-works.page-ready .work-card:nth-child(n+9) { animation-delay: 0.66s; }

.page-links.page-ready .link-card {
  animation: rise-in 0.55s var(--ease) both;
}

.page-links.page-ready .link-card:nth-child(1) { animation-delay: 0.18s; }
.page-links.page-ready .link-card:nth-child(2) { animation-delay: 0.26s; }
.page-links.page-ready .link-card:nth-child(3) { animation-delay: 0.34s; }
.page-links.page-ready .link-card:nth-child(n+4) { animation-delay: 0.40s; }

.page-works.page-ready .site-footer,
.page-links.page-ready .site-footer,
.page-mv.page-ready .site-footer {
  animation: rise-in 0.65s var(--ease) 0.55s both;
}

.page-mv.page-ready .mv-board {
  animation: rise-in 0.7s var(--ease) 0.18s both;
}

/* ── 无障碍 ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .site-bg::before {
    animation: none;
    transform: none;
  }
  .page-home .profile-hero,
  .page-home .profile-gated,
  .page-home .nav-gated {
    transition: none !important;
  }
  .profile-avatar:hover,
  .home-card:hover,
  .work-card:hover,
  .link-card:hover,
  .social-pill:hover,
  .brand:hover,
  .site-nav a:hover,
  .intro-panel__body:hover { transform: none; }
  .work-card:hover .work-card__thumb img { transform: none; filter: none; }
  .home-intro,
  .page-home .site-header,
  .page-home .intro-panel,
  .page-home .home-tool-entries,
  .page-home .site-footer,
  .page-home .social-pill,
  .page-home.profile-open .profile-hero,
  .page-home.profile-open .profile-gated,
  .page-home.profile-open .nav-gated,
  .page-works .site-header,
  .page-works .page-head,
  .page-works .work-card,
  .page-works .site-footer,
  .page-links .site-header,
  .page-links .page-head,
  .page-links .link-card,
  .page-links .site-footer,
  .page-mv .site-header,
  .page-mv .page-head,
  .page-mv .mv-board,
  .page-mv .site-footer,
  .page-pick .pick-back,
  .page-pick .pick-shell,
  .page-pick .site-footer {
    opacity: 1;
    animation: none !important;
    transform: none;
    filter: none;
  }
  .footer-sites-dialog[open]::backdrop,
  .footer-sites-dialog[open] .footer-sites-dialog__panel,
  .footer-sites-dialog[open] .footer-sites-item,
  .footer-sites-dialog .kaya-toast.is-on,
  .footer-sites-dialog .kaya-toast.is-off {
    animation: none !important;
    filter: none;
  }
  .footer-sites-dialog .kaya-toast {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
  .page-home.home-ready .profile-roman::after {
    display: none;
  }
}

/* ── 响应式 ── */
@media (max-width: 640px) {
  :root {
    --glass-blur: blur(10px) saturate(1.15);
  }

  .site-header {
    padding-top: 0.65rem;
  }

  .site-bar {
    padding-right: 0.65rem;
    border-radius: var(--radius-md);
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-bar nav {
    position: relative;
    margin-left: 0;
  }

  .site-nav {
    display: flex;
    position: absolute;
    top: calc(100% + 0.55rem);
    right: 0;
    min-width: 10rem;
    flex-direction: column;
    padding: 0.4rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: var(--glass-blur);
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px) scale(0.98);
    transform-origin: top right;
    pointer-events: none;
    transition:
      opacity var(--dur) var(--ease),
      transform var(--dur) var(--ease),
      visibility var(--dur) var(--ease);
  }

  body.heavy-rain .site-nav,
  body.storm-rain .site-nav {
    background: rgba(18, 26, 40, 0.94);
    border-color: rgba(180, 200, 230, 0.22);
    box-shadow: 0 16px 40px rgba(4, 10, 22, 0.45);
  }

  .site-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
  }

  .site-nav a {
    text-align: center;
    padding: 0.55rem 1rem;
  }

  .home-cards {
    grid-template-columns: 1fr;
  }

  .site-log__inner {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas:
      "tag"
      "text"
      "action";
    align-items: start;
    gap: 0.65rem 0;
  }

  .site-log__tag {
    grid-area: tag;
    justify-self: start;
  }

  .site-log__text {
    grid-area: text;
    width: 100%;
    min-width: 0;
  }

  .site-log__action {
    grid-area: action;
    justify-self: end;
    align-items: flex-end;
    margin-top: 0.15rem;
  }

  .site-log__hint {
    white-space: normal;
    max-width: none;
    text-align: right;
  }

  .works-grid {
    grid-template-columns: 1fr;
  }

  .home-card__preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    justify-content: stretch;
  }

  .home-card__preview-cell {
    flex: unset;
    max-width: none;
    width: 100%;
  }

  .page-main.page-main--mv {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  /* 手机：两列；统一竖图比例（不必对称拼贴） */
  .mv-board {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem;
  }

  .mv-board__row {
    display: contents;
  }

  .mv-board__item {
    aspect-ratio: 3 / 4 !important;
  }

  .mv-board__item img {
    object-fit: cover;
    object-position: center top;
  }

  .mv-lightbox__layout {
    flex-direction: column;
    max-height: none;
  }

  .mv-lightbox__img {
    max-height: 62vh;
  }

  .mv-lightbox__rail {
    width: 100%;
    max-height: 5.5rem;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    touch-action: pan-x pan-y;
    -webkit-overflow-scrolling: touch;
  }

  .mv-lightbox__thumb {
    width: 4.25rem;
    touch-action: pan-x pan-y;
    -webkit-user-drag: none;
  }

  .site-bg::before {
    filter: blur(48px);
    animation-duration: 48s;
  }
}