/* =========================================================
   八班回忆录 · 基础层
   设计 token / 排版 / 通用组件 / 动效
   ========================================================= */

:root {
  /* 底色：午夜墨蓝 */
  --ink-0: #05060b;
  --ink-1: #080a12;
  --ink-2: #0d1019;
  --ink-3: #12151f;

  /* 文字 */
  --txt: #f3f0e9;
  --txt-soft: rgba(243, 240, 233, 0.72);
  --txt-mute: rgba(243, 240, 233, 0.48);
  --txt-faint: rgba(243, 240, 233, 0.28);

  /* 强调色 */
  --gold: #e9c37e;
  --gold-deep: #b98d45;
  --amber: #ffb26b;
  --coral: #ff8a95;
  --violet: #a48cff;
  --aqua: #74e6d3;

  /* 纸面 */
  --paper: #f2eade;
  --paper-2: #e7dccb;
  --paper-ink: #211d18;
  --paper-ink-soft: rgba(33, 29, 24, 0.68);

  --line: rgba(243, 240, 233, 0.1);
  --line-strong: rgba(243, 240, 233, 0.18);

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN",
    "Songti SC", "STSong", "SimSun", serif;
  --font-sans: "Inter", "Segoe UI Variable", "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-num: "Bahnschrift", "DIN Alternate", "Segoe UI", var(--font-sans);

  --fs-hero: clamp(2.6rem, 7.4vw, 6rem);
  --fs-h2: clamp(1.9rem, 4.4vw, 3.4rem);
  --fs-h3: clamp(1.25rem, 2.2vw, 1.75rem);
  --fs-body: clamp(0.95rem, 0.3vw + 0.88rem, 1.06rem);
  --fs-small: 0.8125rem;

  --wrap: 1240px;
  --gap: clamp(1rem, 2vw, 1.6rem);
  --radius: 20px;
  --radius-sm: 12px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);

  --nav-h: 68px;
}

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

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

body {
  margin: 0;
  background: var(--ink-0);
  color: var(--txt);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.8;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-locked {
  overflow: hidden;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.18;
  margin: 0;
  letter-spacing: 0.02em;
}

p {
  margin: 0;
}

figure,
blockquote,
figcaption,
dl,
dd {
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
}

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

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

::selection {
  background: rgba(233, 195, 126, 0.28);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--ink-0);
}
::-webkit-scrollbar-thumb {
  background: rgba(243, 240, 233, 0.16);
  border-radius: 99px;
  border: 2px solid var(--ink-0);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(233, 195, 126, 0.5);
}

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

/* ---------------- 版心与通用 ---------------- */

.wrap {
  width: min(100% - 2 * clamp(1.1rem, 4vw, 3rem), var(--wrap));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: clamp(4.5rem, 11vw, 9rem);
}

.section + .section {
  padding-top: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
  line-height: 1;
}

.eyebrow::before {
  content: "";
  width: 2.4em;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
  opacity: 0.8;
}

.eyebrow .num {
  color: var(--txt-mute);
  letter-spacing: 0.1em;
}

.h2 {
  font-size: var(--fs-h2);
  margin-top: 0.7em;
}

.h2 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--gold) 0%, #fdf3d8 42%, var(--amber) 78%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  color: var(--txt-soft);
  font-size: clamp(1.02rem, 0.5vw + 0.95rem, 1.2rem);
  line-height: 1.95;
}

.muted {
  color: var(--txt-mute);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.4rem;
  margin-bottom: clamp(2.4rem, 5vw, 4rem);
}

.section-head p {
  max-width: 46ch;
}

/* ---------------- 按钮 ---------------- */

.btn {
  --btn-bg: transparent;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 0.95em 1.7em;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--txt);
  background: var(--btn-bg);
  border: 1px solid var(--line-strong);
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.45s var(--ease), border-color 0.3s, color 0.3s,
    box-shadow 0.45s var(--ease);
  -webkit-tap-highlight-color: transparent;
}

.btn svg {
  width: 1.05em;
  height: 1.05em;
  flex: none;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, var(--gold), #f6dfae 55%, var(--amber));
  transform: translateY(101%);
  transition: transform 0.55s var(--ease);
}

.btn:hover {
  color: #171105;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 14px 34px -14px rgba(233, 195, 126, 0.7);
}

.btn:hover::after {
  transform: translateY(0);
}

.btn:active {
  transform: translateY(0) scale(0.985);
}

.btn--solid {
  color: #171105;
  border-color: transparent;
  background: linear-gradient(110deg, var(--gold), #f7e3b8 55%, var(--amber));
  box-shadow: 0 12px 32px -14px rgba(233, 195, 126, 0.65);
}

.btn--solid::after {
  background: linear-gradient(110deg, #fff6e2, var(--gold));
}

.btn--ghost {
  color: var(--txt-soft);
  border-color: var(--line-strong);
  backdrop-filter: blur(8px);
}

.btn--sm {
  padding: 0.68em 1.15em;
  font-size: 0.8rem;
}

.btn--wide {
  width: 100%;
}

/* 文本链接：金色下划线动画 */
.link-underline {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  font-size: 0.85rem;
  color: var(--txt-soft);
  padding-bottom: 2px;
}

.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}

.link-underline:hover {
  color: var(--gold);
}

.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ---------------- 背景层：极光 / 颗粒 / 粒子 ---------------- */

.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-layer--aurora {
  background:
    radial-gradient(60vw 50vh at 78% -6%, rgba(164, 140, 255, 0.16), transparent 62%),
    radial-gradient(52vw 46vh at 8% 12%, rgba(255, 138, 149, 0.1), transparent 65%),
    radial-gradient(70vw 60vh at 50% 108%, rgba(116, 230, 211, 0.08), transparent 60%);
}

.aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: drift 26s ease-in-out infinite alternate;
  will-change: transform;
}

.aurora-blob--1 {
  width: 46vw;
  height: 46vw;
  left: -10vw;
  top: -12vw;
  background: radial-gradient(circle, rgba(164, 140, 255, 0.32), transparent 65%);
}

.aurora-blob--2 {
  width: 38vw;
  height: 38vw;
  right: -8vw;
  top: 18vh;
  background: radial-gradient(circle, rgba(255, 178, 107, 0.22), transparent 65%);
  animation-duration: 32s;
  animation-delay: -8s;
}

.aurora-blob--3 {
  width: 52vw;
  height: 52vw;
  left: 22vw;
  bottom: -28vw;
  background: radial-gradient(circle, rgba(116, 230, 211, 0.16), transparent 68%);
  animation-duration: 38s;
  animation-delay: -16s;
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(4vw, 3vh, 0) scale(1.12);
  }
  100% {
    transform: translate3d(-3vw, -4vh, 0) scale(0.96);
  }
}

#fx-particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.85;
}

.grain {
  position: fixed;
  inset: -50%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 0.9s steps(2) infinite;
}

@keyframes grain-shift {
  0% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-1.5%, 1%);
  }
  100% {
    transform: translate(1%, -1.5%);
  }
}

/* 柔光跟随光标（桌面） */
.spotlight {
  position: fixed;
  top: 0;
  left: 0;
  width: 46vw;
  height: 46vw;
  z-index: 1;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transform: translate3d(-50%, -50%, 0);
  background: radial-gradient(circle, rgba(255, 226, 178, 0.09), transparent 62%);
  transition: opacity 0.6s;
  will-change: transform;
}

body.has-pointer .spotlight {
  opacity: 1;
}

/* ---------------- 顶部进度与导航 ---------------- */

.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 60;
  background: linear-gradient(90deg, var(--violet), var(--gold), var(--coral));
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: transform 0.5s var(--ease), background-color 0.4s, border-color 0.4s,
    backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(6, 7, 13, 0.72);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border-bottom-color: var(--line);
}

.nav.is-hidden {
  transform: translateY(-100%);
}

.nav__inner {
  width: min(100% - 2 * clamp(1.1rem, 4vw, 3rem), var(--wrap));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.12em;
}

.brand__logo {
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: 9px;
  object-fit: contain;
  background: #0a0c14;
  box-shadow: 0 0 0 1px rgba(233, 195, 126, 0.28), 0 6px 18px -8px rgba(233, 195, 126, 0.5);
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease);
}

.brand:hover .brand__logo {
  box-shadow: 0 0 0 1px rgba(233, 195, 126, 0.6), 0 10px 24px -10px rgba(233, 195, 126, 0.7);
  transform: translateY(-1px);
}

.brand__sub {
  font-family: var(--font-num);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--txt-mute);
  display: block;
  line-height: 1.4;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2.4vw, 2.2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  position: relative;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--txt-soft);
  padding-block: 0.4rem;
  transition: color 0.3s;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
  transform: translate(-50%, 4px) scale(0);
  transition: transform 0.4s var(--ease);
}

.nav__links a:hover,
.nav__links a[aria-current="true"] {
  color: var(--gold);
}

.nav__links a[aria-current="true"]::after {
  transform: translate(-50%, 0) scale(1);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  place-items: center;
}

.nav__toggle span {
  display: block;
  width: 16px;
  height: 1px;
  background: var(--txt);
  position: relative;
  transition: transform 0.3s;
}

.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 1px;
  background: var(--txt);
  transition: transform 0.3s;
}

.nav__toggle span::before {
  top: -5px;
}

.nav__toggle span::after {
  top: 5px;
}

.nav__toggle.is-open span {
  background: transparent;
}

.nav__toggle.is-open span::before {
  transform: translateY(5px) rotate(45deg);
}

.nav__toggle.is-open span::after {
  transform: translateY(-5px) rotate(-45deg);
}

/* 移动端抽屉 */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: grid;
  align-content: center;
  justify-items: start;
  padding: 0 clamp(1.6rem, 8vw, 4rem) 0 clamp(1.8rem, 10vw, 5rem);
  background: rgba(5, 6, 11, 0.94);
  backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease), visibility 0.5s;
}

.drawer.is-open {
  opacity: 1;
  visibility: visible;
}

.drawer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.2rem;
}

.drawer a {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 8vw, 2.6rem);
  letter-spacing: 0.06em;
  color: var(--txt);
  display: block;
  padding: 0.35em 0;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), color 0.3s;
}

.drawer.is-open a {
  opacity: 1;
  transform: none;
}

.drawer a:hover {
  color: var(--gold);
}

.drawer__foot {
  margin-top: 2.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--txt-faint);
}

/* ---------------- 滚动出现 ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(clamp(18px, 3vw, 34px));
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.reveal--mask {
  clip-path: inset(0 0 100% 0);
  opacity: 1;
  transform: none;
  transition: clip-path 1.1s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}

.reveal--mask.in {
  clip-path: inset(0 0 0 0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal,
  .reveal--mask {
    opacity: 1;
    transform: none;
    clip-path: none;
  }
}

/* ---------------- 开场遮罩 ---------------- */

.boot {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  background: radial-gradient(80vw 60vh at 50% 40%, #0b0d16, #04050a 70%);
  transition: opacity 0.9s var(--ease), visibility 0.9s;
}

.boot.is-done {
  opacity: 0;
  visibility: hidden;
}

.boot__inner {
  text-align: center;
  display: grid;
  justify-items: center;
  gap: 1.4rem;
}

.boot__mark {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 12vw, 6rem);
  letter-spacing: 0.2em;
  line-height: 1;
  background: linear-gradient(160deg, #fff8e6, var(--gold) 55%, var(--gold-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-left: 0.2em;
}

.boot__sub {
  font-family: var(--font-num);
  font-size: 0.65rem;
  letter-spacing: 0.5em;
  color: var(--txt-faint);
  text-transform: uppercase;
}

.boot__bar {
  width: min(220px, 50vw);
  height: 1px;
  background: rgba(243, 240, 233, 0.14);
  overflow: hidden;
}

.boot__bar i {
  display: block;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  animation: boot-slide 1.15s var(--ease-soft) infinite;
}

@keyframes boot-slide {
  0% {
    transform: translateX(-110%);
  }
  100% {
    transform: translateX(320%);
  }
}

/* ---------------- 其他通用 ---------------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.32em 0.8em;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--txt-soft);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(6px);
}

.tag--gold {
  color: var(--gold);
  border-color: rgba(233, 195, 126, 0.35);
  background: rgba(233, 195, 126, 0.08);
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

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

#prologue,
#years,
#gallery,
#letter,
#colophon,
#hero {
  scroll-margin-top: calc(var(--nav-h) + 10px);
}

kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: 0.1em 0.4em;
  margin-inline: 0.1em;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  font-family: var(--font-num);
  font-size: 0.85em;
  line-height: 1.4;
  text-align: center;
  color: var(--txt-soft);
  background: rgba(255, 255, 255, 0.04);
}

code {
  font-family: var(--font-num);
  font-size: 0.92em;
  color: var(--txt-soft);
}

.noscript-note {
  position: relative;
  z-index: 5;
  margin: 6rem auto 0;
  max-width: 60ch;
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--txt-soft);
  text-align: center;
}

/* ---------------- 下载弹窗 ---------------- */

.dl-modal {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 1.6rem);
  background: rgba(4, 5, 10, 0.72);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}

.dl-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.dl-modal__card {
  width: min(520px, 100%);
  max-height: min(86vh, 720px);
  max-height: min(86svh, 720px);
  overflow-y: auto;
  padding: clamp(1.4rem, 4vw, 2.1rem);
  border-radius: 22px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(233, 195, 126, 0.12), transparent 60%),
    linear-gradient(160deg, #11141e, #0a0c14);
  box-shadow: 0 60px 120px -50px #000;
  transform: translateY(16px) scale(0.985);
  transition: transform 0.45s var(--ease);
}

.dl-modal.is-open .dl-modal__card {
  transform: none;
}

.dl-modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.dl-modal__head h3 {
  margin-top: 0.5rem;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}

.dl-modal__lead {
  margin-bottom: 1.2rem;
  font-size: 0.86rem;
  color: var(--txt-mute);
}

.dl-modal__list {
  display: grid;
  gap: 0.65rem;
}

.dl-src {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  transition: border-color 0.3s, background-color 0.3s, transform 0.3s var(--ease);
}

.dl-src:hover {
  border-color: rgba(233, 195, 126, 0.45);
  background: rgba(233, 195, 126, 0.07);
  transform: translateY(-1px);
}

.dl-src__no {
  flex: none;
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  opacity: 0.75;
}

.dl-src__text {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
  flex: 1;
}

.dl-src__text b {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.dl-src__text small {
  font-size: 0.74rem;
  color: var(--txt-mute);
  line-height: 1.6;
}

.dl-src__arrow {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--gold);
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.dl-src:hover .dl-src__arrow {
  background: var(--gold);
  border-color: transparent;
  color: #171105;
}

.dl-src__arrow svg {
  width: 15px;
  height: 15px;
}

.dl-modal__note {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.72rem;
  line-height: 1.9;
  color: var(--txt-faint);
}

/* 减少动画偏好下隐藏粒子光晕 */
@media (prefers-reduced-motion: reduce) {
  #fx-particles,
  .grain,
  .spotlight {
    display: none;
  }
}

/* ---------------- 共享灯箱主题 ---------------- */

.lb {
  --lb-bg: rgba(5, 6, 11, 0.9);
  --lb-ink: var(--txt);
  --lb-muted: rgba(243, 240, 233, 0.55);
  --lb-accent: var(--gold);
  --lb-accent-ink: #171105;
  --lb-line: rgba(243, 240, 233, 0.18);
  --lb-btn: rgba(255, 255, 255, 0.04);
  --lb-img-radius: 6px;
  --lb-shadow: 0 50px 100px -50px #000;
  --lb-font: var(--font-serif);
}

/* ---------------- 图片槽位（接口填图前的占位） ---------------- */

[data-slot] {
  background: linear-gradient(120deg, #14171f, #1b1f2a 45%, #14171f);
  overflow: hidden;
}

[data-slot] img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}