/* ==========================================================================
   千束 × 泷奈 | LycoReco 的日常 — style.css
   移动优先 · 全 token 化 · 断点 480 / 768 / 1024
   契约文件：../DESIGN.md（所有值必须回溯 token）
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* 色板（见 DESIGN.md §2） */
  --chisato: #E8452C;
  --chisato-deep: #C23317;
  --chisato-text: #B32E18;
  --takina: #3AAFBF;
  --takina-deep: #1F8A9B;
  --takina-text: #176E7D;
  --cream: #FFF6EC;
  --ink: #141419;
  --ink-soft: #1D1D26;
  --cream-text: #FFF6EC;
  --muted-on-dark: rgba(255, 246, 236, 0.72);
  --muted-on-light: #5A554E;
  --lamp: #F2B441;

  /* 发光/阴影（预烘焙 rgba，避免 color-mix 兼容风险） */
  --glow-red: rgba(232, 69, 44, 0.35);
  --glow-teal: rgba(58, 175, 191, 0.35);
  --line-on-dark: rgba(255, 246, 236, 0.1);
  --line-on-light: rgba(20, 20, 25, 0.12);

  /* 字体 */
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;

  /* 字阶 */
  --fs-display: clamp(2.75rem, 9vw, 6rem);
  --fs-h2: clamp(1.75rem, 4vw, 2.5rem);
  --fs-h3: clamp(1.2rem, 2.5vw, 1.5rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  /* 间距（4px 基准） */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --radius-card: 16px;
  --radius-thumb: 12px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --nav-h: 64px;
}

/* ---------- 2. Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  line-height: 1.25;
  margin: 0;
}

p { margin: 0; }
ul, ol, dl, dd, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

::selection {
  background: var(--chisato);
  color: var(--cream);
}

:focus-visible {
  outline: 2px solid var(--lamp);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-4);
  z-index: 300;
  padding: var(--space-2) var(--space-4);
  background: var(--ink);
  color: var(--cream-text);
  border-radius: 0 0 var(--space-2) var(--space-2);
  transition: top 0.2s var(--ease);
}

.skip-link:focus-visible {
  top: 0;
}

/* ---------- 3. 进场动画钩子（仅在 JS 可用时隐藏待入场） ---------- */
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

html.js .reveal.in-view {
  opacity: 1;
  transform: none;
}

/* ---------- 4. 顶部导航（毛玻璃） ---------- */
.site-nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  background: rgba(20, 20, 25, 0.62);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid var(--line-on-dark);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: var(--space-4);
  min-height: var(--nav-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--cream-text);
}

.brand__mark { flex-shrink: 0; }

.brand__text {
  display: flex;
  flex-direction: column;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.brand__name {
  white-space: nowrap;
}

.brand__text i {
  font-style: normal;
  color: var(--chisato);
  padding-inline: 0.15em;
}

.brand__text small {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: var(--muted-on-dark);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--space-2);
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--cream-text);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 移动端：下拉面板 */
.nav-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4) var(--space-5);
  background: rgba(20, 20, 25, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-on-dark);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease),
    visibility 0.3s;
}

.site-nav.menu-open .nav-menu {
  transform: none;
  opacity: 1;
  visibility: visible;
}

.nav-link {
  display: block;
  padding: var(--space-3) var(--space-2);
  min-height: 44px;
  color: var(--muted-on-dark);
  border-radius: var(--space-2);
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.nav-link:hover {
  color: var(--lamp);
}

.nav-link.is-current {
  color: var(--lamp);
  box-shadow: inset 3px 0 0 var(--chisato);
}

/* ≥768：横向导航 */
@media (min-width: 768px) {
  .nav-toggle { display: none; }

  .nav-menu {
    position: static;
    display: flex;
    gap: var(--space-2);
    padding: 0;
    background: transparent;
    border: 0;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    transform: none;
    opacity: 1;
    visibility: visible;
    transition: none;
  }

  .nav-link {
    padding: var(--space-2) var(--space-3);
    position: relative;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: var(--space-3);
    right: var(--space-3);
    bottom: 4px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--chisato), var(--takina));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s var(--ease);
  }

  .nav-link:hover::after,
  .nav-link.is-current::after {
    transform: scaleX(1);
  }

  .nav-link.is-current {
    color: var(--cream-text);
    box-shadow: none;
  }
}

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: calc(var(--nav-h) + var(--space-7)) var(--space-4) var(--space-8);
  background: var(--ink);
  color: var(--cream-text);
  overflow: clip;
  isolation: isolate;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

/* 红青流动渐变：两层超大伪元素只动 transform */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: -25%;
  z-index: 0;
  pointer-events: none;
  will-change: transform;
}

.hero::before {
  background: radial-gradient(
    42% 55% at 28% 38%,
    rgba(232, 69, 44, 0.34),
    transparent 70%
  );
  animation: drift-a 16s ease-in-out infinite alternate;
}

.hero::after {
  background: radial-gradient(
    46% 60% at 74% 62%,
    rgba(58, 175, 191, 0.3),
    transparent 70%
  );
  animation: drift-b 19s ease-in-out infinite alternate;
}

@keyframes drift-a {
  from { transform: translate3d(-4%, -3%, 0) scale(1); }
  to   { transform: translate3d(5%, 4%, 0) scale(1.12); }
}

@keyframes drift-b {
  from { transform: translate3d(4%, 3%, 0) scale(1.1); }
  to   { transform: translate3d(-5%, -4%, 0) scale(1); }
}

.hero__ring {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: 50%;
  width: min(78vmin, 560px);
  aspect-ratio: 1;
  translate: -50% -50%;
  border: 1.5px dashed rgba(58, 175, 191, 0.28);
  border-radius: 50%;
  pointer-events: none;
  animation: spin 80s linear infinite;
}

.hero__ring::before,
.hero__ring::after {
  content: "";
  position: absolute;
  background: rgba(232, 69, 44, 0.35);
}

/* 十字刻线 */
.hero__ring::before {
  left: 50%;
  top: -6%;
  bottom: -6%;
  width: 1px;
  margin-left: -0.5px;
}

.hero__ring::after {
  top: 50%;
  left: -6%;
  right: -6%;
  height: 1px;
  margin-top: -0.5px;
  background: rgba(58, 175, 191, 0.35);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 弹孔装饰 */
.hero__holes i {
  position: absolute;
  width: 26px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 38%, rgba(255, 246, 236, 0.16) 0 8%, transparent 30%),
    radial-gradient(circle, #0b0b10 0 46%, rgba(255, 246, 236, 0.14) 54%, transparent 66%);
  pointer-events: none;
}

.hero__holes i::before,
.hero__holes i::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 200%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 246, 236, 0.22), transparent);
}

.hero__holes i::before { transform: translate(-50%, -50%) rotate(38deg); }
.hero__holes i::after  { transform: translate(-50%, -50%) rotate(-52deg); }

.hero__holes i:nth-child(1) { top: 18%; left: 8%; }
.hero__holes i:nth-child(2) { top: 68%; left: 14%; width: 18px; }
.hero__holes i:nth-child(3) { top: 24%; right: 10%; width: 20px; }
.hero__holes i:nth-child(4) { top: 72%; right: 16%; }

@media (max-width: 480px) {
  .hero__holes i:nth-child(2),
  .hero__holes i:nth-child(3) { display: none; }
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  display: grid;
  justify-items: center;
  gap: var(--space-4);
  max-width: 820px;
}

/* 中部暗角，保证标题对比度 */
.hero__inner::before {
  content: "";
  position: absolute;
  inset: -12%;
  z-index: -1;
  background: radial-gradient(58% 58% at 50% 50%, rgba(20, 20, 25, 0.82), transparent 75%);
}

.hero__kicker {
  font-size: var(--fs-small);
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  color: var(--muted-on-dark);
}

.hero__title {
  font-size: var(--fs-display);
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1.1;
  display: flex;
  align-items: baseline;
  gap: 0.08em;
  filter: drop-shadow(0 4px 24px rgba(20, 20, 25, 0.6));
}

.hero__chisato { color: var(--chisato); }
.hero__takina { color: var(--takina); }

.hero__x {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.42em;
  align-self: center;
  color: var(--lamp);
}

.hero__sub {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 3vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
}

.hero__jp {
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  letter-spacing: 0.24em;
  color: var(--muted-on-dark);
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  min-height: 48px;
  padding: var(--space-3) var(--space-6);
  border-radius: 999px;
  background: var(--cream);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.12em;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background-color 0.25s var(--ease);
}

.cta svg {
  transition: transform 0.25s var(--ease);
}

.cta:hover {
  background: var(--lamp);
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(242, 180, 65, 0.3);
}

.cta:hover svg {
  transform: translateY(3px);
}

/* ---------- 6. 通用区块 ---------- */
.section {
  position: relative;
  padding-block: var(--space-8);
  padding-inline: var(--space-4);
}

.section--dark {
  background: var(--ink);
  color: var(--cream-text);
}

@media (min-width: 768px) {
  .section {
    padding-inline: var(--space-6);
  }
}

.section__head {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: var(--space-7);
}

.section__head h2 {
  font-size: var(--fs-h2);
  font-weight: 900;
  letter-spacing: 0.08em;
}

/* 红青双色下划线 —— 全站签名母题 */
.section__head h2::after {
  content: "";
  display: block;
  width: 88px;
  height: 4px;
  margin: var(--space-3) auto 0;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--chisato) 0 50%, var(--takina) 50% 100%);
}

.section__jp {
  margin-top: var(--space-2);
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  letter-spacing: 0.3em;
  color: var(--muted-on-light);
}

.section--dark .section__jp {
  color: var(--muted-on-dark);
}

.section__lead {
  margin-top: var(--space-3);
  color: var(--muted-on-light);
}

.section--dark .section__lead {
  color: var(--muted-on-dark);
}

/* ---------- 7. 角色卡片 ---------- */
.char-grid {
  display: grid;
  gap: var(--space-5);
  max-width: 980px;
  margin-inline: auto;
}

.char-card {
  --c: var(--chisato);
  --c-glow: var(--glow-red);
  --c-text: var(--chisato-text);
  position: relative;
  padding: var(--space-6) var(--space-5);
  background: #fff;
  border: 1px solid var(--line-on-light);
  border-top: 5px solid var(--c);
  border-radius: var(--radius-card);
  overflow: clip;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.char-card--teal {
  --c: var(--takina);
  --c-glow: var(--glow-teal);
  --c-text: var(--takina-text);
}

.char-card:hover,
.char-card:focus-within {
  transform: perspective(900px) rotate(-1.2deg) translateY(-6px);
  box-shadow: 0 24px 48px var(--c-glow);
}

.char-card--teal:hover,
.char-card--teal:focus-within {
  transform: perspective(900px) rotate(1.2deg) translateY(-6px);
}

/* 日文汉字水印 */
.char-card__kanji {
  position: absolute;
  top: var(--space-2);
  right: var(--space-3);
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 3.2rem);
  line-height: 1.1;
  writing-mode: vertical-rl;
  letter-spacing: 0.12em;
  color: var(--c);
  opacity: 0.16;
  pointer-events: none;
  user-select: none;
}

/* 卡片内部：立绘 + 资料 双栏 */
.char-card__body {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-4);
}

.char-card__media {
  display: flex;
  justify-content: center;
}

.char-card__media img {
  width: auto;
  max-width: 100%;
  height: clamp(180px, 42vw, 240px);
  object-fit: contain;
  object-position: bottom;
  filter: drop-shadow(0 10px 18px rgba(20, 20, 25, 0.22));
  transition: transform 0.35s var(--ease);
}

.char-card:hover .char-card__media img,
.char-card:focus-within .char-card__media img {
  transform: translateY(-4px) scale(1.03);
}

.char-card__name {
  font-size: var(--fs-h3);
  font-weight: 900;
  color: var(--ink);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.char-card__romaji {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-on-light);
}

.char-card__facts div {
  display: grid;
  grid-template-columns: 4.5em 1fr;
  gap: var(--space-3);
  padding-block: var(--space-2);
  border-bottom: 1px dashed var(--line-on-light);
  font-size: 0.95rem;
}

.char-card__facts div:last-child {
  border-bottom: 0;
}

.char-card__facts dt {
  font-weight: 700;
  color: var(--c-text);
  white-space: nowrap;
}

.char-card__facts dd {
  color: var(--ink);
}

.char-card__deco {
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
  width: 72px;
  color: var(--c);
  opacity: 0.55;
  pointer-events: none;
}

@media (min-width: 768px) {
  .char-grid {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  /* 桌面端：立绘在左、资料在右 */
  .char-card__body {
    grid-template-columns: minmax(120px, 150px) 1fr;
    align-items: end;
    gap: var(--space-5);
  }

  .char-card__media {
    align-self: stretch;
  }

  .char-card__media img {
    width: 100%;
    height: 100%;
    max-height: none;
    object-fit: contain;
    object-position: bottom center;
  }
}

/* ---------- 8. 时间线 ---------- */
.timeline-section { overflow: clip; }

.timeline {
  position: relative;
  max-width: 920px;
  margin-inline: auto;
  padding-left: 44px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 12px;
  width: 2px;
  background: linear-gradient(
    180deg,
    var(--chisato) 0 50%,
    var(--takina) 50% 100%
  );
  opacity: 0.85;
}

.t-node {
  position: relative;
  padding-block: var(--space-3);
}

/* 节点圆点：红青交替 */
.t-node::before {
  content: "";
  position: absolute;
  left: -38px;
  top: 1.6em;
  width: 14px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--node-c, var(--chisato));
  box-shadow: 0 0 0 4px var(--ink), 0 0 0 5.5px var(--node-c, var(--chisato));
}

.t-node--red { --node-c: var(--chisato); }
.t-node--teal { --node-c: var(--takina); }

.t-node__card {
  background: var(--ink-soft);
  border: 1px solid var(--line-on-dark);
  border-left: 4px solid var(--node-c);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.t-node__card:hover {
  transform: translateX(6px);
  border-left-color: var(--lamp);
  box-shadow: -8px 8px 24px rgba(0, 0, 0, 0.4);
}

.t-node__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  padding: 2px 10px;
  border-radius: 999px;
  color: var(--cream-text);
  background: var(--node-c);
  margin-bottom: var(--space-3);
}

.t-node__card h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-2);
}

.t-node__card p:not(.t-node__tag) {
  color: var(--muted-on-dark);
  font-size: 0.95rem;
}

@media (min-width: 1024px) {
  .timeline {
    padding-left: 0;
  }

  .timeline::before {
    left: 50%;
    margin-left: -1px;
  }

  .t-node {
    width: 50%;
    padding-right: var(--space-7);
  }

  .t-node::before {
    left: auto;
    right: -7.5px;
  }

  .t-node:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: var(--space-7);
  }

  .t-node:nth-child(even)::before {
    right: auto;
    left: -7.5px;
  }

  .t-node:nth-child(odd) .t-node__card {
    text-align: right;
    border-left: 1px solid var(--line-on-dark);
    border-right: 4px solid var(--node-c);
  }

  .t-node:nth-child(odd) .t-node__card:hover {
    transform: translateX(-6px);
    box-shadow: 8px 8px 24px rgba(0, 0, 0, 0.4);
  }
}

/* ---------- 9. 语录轮播 ---------- */
.quotes-section { overflow: clip; }

.coffee-stain {
  position: absolute;
  top: var(--space-6);
  right: 6%;
  width: 130px;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 11px solid rgba(111, 78, 55, 0.1);
  filter: blur(0.5px);
  pointer-events: none;
}

.coffee-stain::before {
  content: "";
  position: absolute;
  inset: -22px;
  border-radius: 50%;
  border: 2px solid rgba(111, 78, 55, 0.07);
  transform: rotate(-8deg) scaleY(0.96);
}

.carousel {
  position: relative;
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
  padding: var(--space-7) var(--space-4) 0;
}

.quote {
  position: relative;
  display: grid;
  gap: var(--space-3);
  animation: quote-in 0.5s var(--ease);
}

.quote[hidden] {
  display: none;
}

@keyframes quote-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 大号衬线引号装饰 */
.quote::before {
  content: "「";
  position: absolute;
  top: -0.55em;
  left: 50%;
  translate: -50% 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 4.2rem;
  line-height: 1;
  color: var(--lamp);
  opacity: 0.5;
  pointer-events: none;
}

.quote__zh {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.9rem);
  line-height: 1.6;
}

.quote__jp {
  font-family: var(--font-jp);
  font-size: var(--fs-small);
  letter-spacing: 0.18em;
  color: var(--muted-on-light);
}

.quote__cite {
  font-style: normal;
  font-size: var(--fs-small);
  color: var(--chisato-text);
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.carousel__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-on-light);
  color: var(--ink);
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.carousel__btn:hover {
  background: rgba(242, 180, 65, 0.18);
  border-color: var(--lamp);
  transform: scale(1.06);
}

.carousel__status {
  min-width: 4em;
  font-size: var(--fs-small);
  letter-spacing: 0.2em;
  color: var(--muted-on-light);
  font-variant-numeric: tabular-nums;
}

/* ---------- 10. 图鉴画廊 ---------- */
.g-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: var(--space-4);
  max-width: 1080px;
  margin-inline: auto;
}

@media (min-width: 480px) {
  .g-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}

@media (min-width: 768px) {
  .g-grid { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
}

.g-item {
  display: block;
  width: 100%;
  text-align: left;
  border-radius: var(--radius-thumb);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.g-item:hover {
  transform: translateY(-4px) scale(1.02);
}

.g-item--red:hover { box-shadow: 0 14px 30px var(--glow-red); }
.g-item--teal:hover { box-shadow: 0 14px 30px var(--glow-teal); }
.g-item--duo:hover,
.g-item--warm:hover,
.g-item--dark:hover { box-shadow: 0 14px 30px rgba(20, 20, 25, 0.35); }

.g-item__fig {
  display: grid;
  gap: var(--space-2);
}

.g-item__fig img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-thumb);
  background: var(--ink-soft);
}

/* 立绘类：完整显示不裁切，深色衬底 */
.g-item__fig img.fit {
  object-fit: contain;
  object-position: center bottom;
  background: linear-gradient(180deg, var(--ink-soft), var(--ink));
}

figcaption {
  font-size: var(--fs-small);
  color: var(--muted-on-light);
}

/* ---------- 11. Lightbox ---------- */
.lightbox {
  width: min(720px, calc(100vw - var(--space-6)));
  padding: 0;
  border: 1px solid var(--line-on-dark);
  border-radius: var(--radius-card);
  background: var(--ink);
  color: var(--cream-text);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
}

.lightbox::backdrop {
  background: rgba(10, 10, 14, 0.72);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.lightbox__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(20, 20, 25, 0.6);
  color: var(--cream-text);
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.lightbox__close:hover {
  background: var(--chisato);
  transform: rotate(90deg);
}

.lightbox__stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  max-height: 62vh;
  background: #0d0d12;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  overflow: clip;
}

.lightbox__stage img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 62vh;
  object-fit: contain;
}

.lightbox__meta {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5);
  text-align: left;
}

.lightbox__name {
  font-size: 1.15rem;
  font-weight: 700;
}

.lightbox__spec {
  font-size: var(--fs-small);
  color: var(--muted-on-dark);
  font-variant-numeric: tabular-nums;
}

/* ---------- 12. Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--muted-on-dark);
  border-top: 1px solid var(--line-on-dark);
  padding: var(--space-7) var(--space-4);
  text-align: center;
  font-size: var(--fs-small);
  line-height: 2;
}

.site-footer__inner {
  max-width: 760px;
  margin-inline: auto;
  display: grid;
  gap: var(--space-3);
  justify-items: center;
}

.site-footer strong {
  color: var(--cream-text);
}

.site-footer__brand {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: 0.14em;
  color: var(--cream-text);
}

.site-footer__brand i {
  font-style: normal;
  color: var(--chisato);
  padding-inline: 0.2em;
}

.site-footer__domain {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.16em;
  color: var(--lamp);
}

.site-footer__domain svg {
  color: var(--chisato);
}

/* ---------- 13. 动效减弱 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  html.js .reveal {
    opacity: 1;
    transform: none;
  }

  .hero__ring,
  .hero::before,
  .hero::after {
    animation: none;
  }
}