/* OBGNAUH — 站点样式
   色板取自参考图：深空底 #06090e→#1b263b，地球受光面 #77a7c9，大气边缘 #52d2ff（压低为 #7cc6f2） */
:root {
  --bg: #070a10;
  --bg-soft: #0a0f18;
  --panel: rgba(13, 20, 31, 0.72);
  --ink: #e8eef7;
  --ink-2: #c3cfdf;
  --muted: #8b9bb0;
  --dim: #71849b;
  --line: rgba(148, 178, 210, 0.14);
  --line-strong: rgba(148, 178, 210, 0.3);
  --accent: #7cc6f2;
  --accent-deep: #3f8fbe;
  --accent-soft: rgba(124, 198, 242, 0.12);
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", STSong, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --gutter: clamp(20px, 5vw, 56px);
  --maxw: 1180px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 620px at 82% -8%, rgba(44, 96, 148, 0.18), transparent 62%),
    radial-gradient(680px 520px at 8% 4%, rgba(28, 48, 78, 0.22), transparent 60%);
  background-repeat: no-repeat;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

body.page-home { background-attachment: fixed, fixed; }

::selection { background: rgba(124, 198, 242, 0.28); color: #fff; }

a { color: inherit; text-decoration: none; }
img, svg, canvas { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; }

:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--accent);
  color: #041018;
  font-size: 13px;
  border-radius: 2px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.topbar.is-scrolled {
  background: rgba(7, 10, 16, 0.78);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  backdrop-filter: blur(18px) saturate(120%);
  border-bottom-color: var(--line);
}
.topbar__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: 72px;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 40px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
}
.brand__mark { color: var(--accent); opacity: 0.9; }
.brand__mark svg { width: 24px; height: 24px; }
.brand__name {
  font-size: 12px;
  letter-spacing: 0.3em;
  font-weight: 600;
  color: var(--ink);
}
.topnav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}
.topnav a {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.14em;
  transition: color 0.25s var(--ease);
}
.topnav a:hover { color: var(--ink); }
.topbar__mail {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--dim);
  padding-left: 30px;
  border-left: 1px solid var(--line);
  transition: color 0.25s var(--ease);
}
.topbar__mail:hover { color: var(--ink-2); }

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: 72px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero__stage {
  position: absolute;
  top: 72px;
  right: 0;
  bottom: 0;
  width: 60%;
  z-index: 0;
  pointer-events: none;
  opacity: 1;
  transform: none;
  transition: opacity 1.6s var(--ease), transform 2.4s var(--ease);
}
.hero__stage.is-mounted { opacity: 1; transform: none; }
.hero__glow {
  position: absolute;
  inset: 8% 2% 10% 4%;
  background: radial-gradient(closest-side, rgba(66, 132, 186, 0.22), rgba(30, 60, 96, 0.08) 58%, transparent 78%);
  filter: blur(18px);
}
.hero__poster,
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}
.hero__poster {
  opacity: 0.95;
  transition: opacity 1.2s var(--ease);
  filter: saturate(1.02);
}
.hero__canvas {
  opacity: 0;
  transition: opacity 1.4s var(--ease) 0.15s;
}
.hero__stage.is-ready .hero__canvas { opacity: 1; }
.hero__stage.is-ready .hero__poster { opacity: 0; }

/* 桌面端：在球体左侧加一层极淡的遮罩，避免字标与晨昏线相互干扰 */
@media (min-width: 1101px) {
  .hero__stage::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(90deg, rgba(7, 10, 16, 0.94) 0%, rgba(7, 10, 16, 0.62) 13%, rgba(7, 10, 16, 0.12) 32%, transparent 46%);
    pointer-events: none;
  }
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter) 9vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.hero__kicker {
  margin: 0 0 30px;
  font-size: 10.5px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero__kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--line-strong);
}
.hero__title {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(66px, 10.6vw, 158px);
  line-height: 0.84;
  letter-spacing: -0.045em;
  font-weight: 500;
  color: #f2f7fc;
  background: linear-gradient(168deg, #ffffff 4%, #dcebf7 46%, #9fc6e2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
/* ---------- 首屏标题文字 glitch（后台开关控制，reduced-motion 关闭） ---------- */
.hero__title { position: relative; }
.hero.glitch-armed .hero__title::before,
.hero.glitch-armed .hero__title::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  background: none;
  -webkit-background-clip: border-box;
  background-clip: border-box;
  -webkit-text-fill-color: currentColor;
  pointer-events: none;
  opacity: 0;
  will-change: transform, opacity;
}
.hero.glitch-armed .hero__title::before { color: #5fd8ff; }
.hero.glitch-armed .hero__title::after { color: #ff5f8f; }

/* 常驻底噪：切片位置固定，只做横向小幅位移与透明度呼吸，避免每帧重绘 */
.hero.glitch-armed .hero__title::before {
  clip-path: inset(16% 0 72% 0);
  animation: titleIdleA 5.6s ease-in-out infinite;
}
.hero.glitch-armed .hero__title::after {
  clip-path: inset(58% 0 26% 0);
  animation: titleIdleB 6.8s ease-in-out infinite;
}
/* 间歇爆发：切片更宽、位移更大，覆盖常驻动画 */
.hero.is-glitching .hero__title::before {
  animation: titleGlitchA var(--glitch-dur, 200ms) steps(2, end) both;
}
.hero.is-glitching .hero__title::after {
  animation: titleGlitchB var(--glitch-dur, 200ms) steps(2, end) both;
}

@keyframes titleIdleA {
  0%   { opacity: 0.34; transform: translate3d(-2px, 0, 0); }
  25%  { opacity: 0.22; transform: translate3d(1.5px, 0, 0); }
  50%  { opacity: 0.36; transform: translate3d(2px, 0, 0); }
  75%  { opacity: 0.24; transform: translate3d(-1.5px, 0, 0); }
  100% { opacity: 0.34; transform: translate3d(-2px, 0, 0); }
}
@keyframes titleIdleB {
  0%   { opacity: 0.2; transform: translate3d(1.5px, 0, 0); }
  30%  { opacity: 0.3; transform: translate3d(-1.5px, 0, 0); }
  60%  { opacity: 0.18; transform: translate3d(2px, 0, 0); }
  100% { opacity: 0.2; transform: translate3d(1.5px, 0, 0); }
}

@keyframes titleGlitchA {
  0% { opacity: 0.85; clip-path: inset(6% 0 76% 0); transform: translate3d(calc(var(--glitch-title-amp, 3px) * -1), 0, 0); }
  24% { clip-path: inset(44% 0 34% 0); transform: translate3d(var(--glitch-title-amp, 3px), 0, 0); }
  48% { opacity: 0.7; clip-path: inset(66% 0 14% 0); transform: translate3d(calc(var(--glitch-title-amp, 3px) * -0.6), 0, 0); }
  72% { clip-path: inset(20% 0 60% 0); transform: translate3d(calc(var(--glitch-title-amp, 3px) * 0.5), 0, 0); }
  100% { opacity: 0; clip-path: inset(50% 0 50% 0); transform: none; }
}
@keyframes titleGlitchB {
  0% { opacity: 0.45; clip-path: inset(28% 0 54% 0); transform: translate3d(2px, 0, 0); }
  30% { clip-path: inset(72% 0 8% 0); transform: translate3d(-2px, 0, 0); }
  60% { opacity: 0.35; clip-path: inset(10% 0 78% 0); transform: translate3d(1px, 0, 0); }
  100% { opacity: 0; clip-path: inset(50% 0 50% 0); transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero.glitch-armed .hero__title::before,
  .hero.glitch-armed .hero__title::after { display: none; }
}

.hero__line {
  margin: 34px 0 0;
  font-family: var(--serif);
  font-size: clamp(20px, 2.1vw, 28px);
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  text-wrap: balance;
}
.hero__meta {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--dim);
}
.hero__live {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: var(--dim);
  opacity: 0.85;
}
.hero__live[hidden] { display: none; }
.flight-tip {
  position: absolute;
  z-index: 5;
  left: 0;
  top: 0;
  pointer-events: none;
  padding: 7px 10px;
  background: rgba(6, 10, 17, 0.92);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.flight-tip__id { display: block; color: var(--accent); font-size: 11px; }
.flight-tip__meta { display: block; color: var(--muted); }
.footer__built a { color: var(--dim); border-bottom: 1px solid var(--line); }
.footer__built a:hover { color: var(--muted); }
.hero__actions {
  margin-top: 46px;
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: rgba(10, 16, 26, 0.4);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
  cursor: pointer;
}
.btn:hover {
  border-color: rgba(124, 198, 242, 0.55);
  background: rgba(124, 198, 242, 0.08);
  transform: translateY(-1px);
}
.btn__arrow { font-size: 12px; color: var(--accent); }
.btn--solid {
  background: var(--accent);
  border-color: var(--accent);
  color: #04121c;
  font-weight: 600;
}
.btn--solid:hover {
  background: #9ad7f7;
  border-color: #9ad7f7;
  color: #04121c;
}
.link-quiet {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--muted);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 4px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.link-quiet:hover { color: var(--ink); border-color: var(--accent); }

.hero__scroll {
  position: absolute;
  right: var(--gutter);
  bottom: 40px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.3em;
  color: var(--dim);
}
.hero__scroll-line {
  width: 56px;
  height: 1px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-100%);
  animation: scrollLine 3.6s var(--ease) infinite;
}
@keyframes scrollLine {
  0% { transform: translateX(-100%); }
  45%, 55% { transform: translateX(0); }
  100% { transform: translateX(100%); }
}

/* ---------- 通用区块 ---------- */
.section {
  position: relative;
  padding: clamp(88px, 11vw, 156px) 0;
  border-top: 1px solid var(--line);
}
.section__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section__inner--split {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.28fr);
  gap: clamp(40px, 7vw, 108px);
  align-items: start;
}
.section__head { max-width: 560px; }
.eyebrow {
  margin: 0 0 26px;
  font-size: 10.5px;
  letter-spacing: 0.3em;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow span {
  font-family: var(--mono);
  color: var(--accent);
  opacity: 0.75;
  letter-spacing: 0.02em;
}
.section__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: #eef4fb;
}
.section__intro {
  margin: 26px 0 0;
  max-width: 44ch;
  font-size: 14.5px;
  line-height: 2;
  color: var(--muted);
  text-wrap: pretty;
}

/* ---------- 站点列表 ---------- */
.site-list {
  list-style: none;
  margin: clamp(44px, 6vw, 72px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.site-item { border-bottom: 1px solid var(--line); }
.site-item__link {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  padding: 30px 8px 30px 0;
  transition: padding-left 0.45s var(--ease), background 0.45s var(--ease);
  position: relative;
}
.site-item__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.45s var(--ease);
}
.site-item__link:hover { padding-left: 22px; background: linear-gradient(90deg, rgba(124, 198, 242, 0.045), transparent 62%); }
.site-item__link:hover::before { transform: scaleY(1); }
.site-item__idx {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--dim);
  letter-spacing: 0.08em;
  transition: color 0.3s var(--ease);
}
.site-item__link:hover .site-item__idx { color: var(--accent); }
.site-item__body { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.site-item__title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(17px, 1.7vw, 21px);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.site-item__arrow {
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  color: var(--accent);
}
.site-item__link:hover .site-item__arrow { opacity: 1; transform: none; }
.site-item__desc { font-size: 13.5px; color: var(--muted); letter-spacing: 0.02em; }
.site-item__domain {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--dim);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ---------- 动态 ---------- */
.section__head--side { position: sticky; top: 112px; }
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}
.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 26px;
  padding: 0 0 42px 34px;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -3.5px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.timeline__item:hover::before { border-color: var(--accent); background: var(--accent); }
.timeline__date {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--dim);
  letter-spacing: 0.06em;
  padding-top: 4px;
  white-space: nowrap;
}
.timeline__title {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
}
.timeline__title a { border-bottom: 1px solid var(--line-strong); transition: border-color 0.25s var(--ease); }
.timeline__title a:hover { border-color: var(--accent); }
.timeline__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--muted);
}

/* ---------- 订阅 ---------- */
.section--subscribe { background: linear-gradient(180deg, transparent, rgba(12, 19, 30, 0.55)); }
.subscribe {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 7vw, 100px);
  align-items: center;
}
.subscribe__panel {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: clamp(26px, 3.4vw, 44px);
  border-radius: 2px;
  position: relative;
}
.subscribe__panel::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 42px;
  height: 1px;
  background: var(--accent);
  opacity: 0.7;
}
.sub-form__hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.sub-form__label {
  display: block;
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--dim);
  margin-bottom: 12px;
}
.sub-form__row { display: flex; align-items: flex-end; gap: 14px; }
.sub-form__input {
  flex: 1 1 auto;
  min-width: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  padding: 10px 2px 12px;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--ink);
  border-radius: 0;
  transition: border-color 0.3s var(--ease);
}
.sub-form__input::placeholder { color: var(--dim); }
.sub-form__input:focus { outline: none; border-bottom-color: var(--accent); }
.sub-form__row .btn { flex: none; }
.sub-form__note {
  margin: 16px 0 0;
  font-size: 11.5px;
  color: var(--dim);
  letter-spacing: 0.02em;
}
.sub-feedback {
  margin-top: 22px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-2);
  display: none;
}
.sub-feedback.is-visible { display: block; }
.sub-feedback.is-ok { border-color: rgba(124, 198, 242, 0.4); background: rgba(124, 198, 242, 0.07); }
.sub-feedback.is-err { border-color: rgba(226, 148, 128, 0.4); background: rgba(226, 148, 128, 0.06); }

/* ---------- 页脚 ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: clamp(56px, 7vw, 88px) 0 30px;
  background: #06090e;
}
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.footer__brand {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  max-width: 460px;
}
.footer__mark { color: var(--accent); opacity: 0.7; flex: none; padding-top: 2px; }
.footer__mark svg { width: 32px; height: 32px; }
.footer__name {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.32em;
  font-weight: 600;
}
.footer__note { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.9; }
.footer__friends {
  margin: 34px 0 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 22px;
}
.footer__friends .footer__label { margin: 0; }
.footer__friend {
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
  transition: color 0.25s var(--ease);
}
.footer__friend span {
  margin-left: 5px;
  font-size: 10px;
  opacity: 0.6;
}
.footer__friend:hover { color: var(--accent); }
.footer__cols {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}
.footer__col { display: flex; flex-direction: column; gap: 9px; align-items: flex-start; }
.footer__label {
  margin: 0 0 6px;
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--dim);
}
.footer__link {
  font-size: 12.5px;
  color: var(--ink-2);
  letter-spacing: 0.02em;
  transition: color 0.25s var(--ease);
}
.footer__link:hover { color: var(--accent); }
.footer__bottom {
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.04em;
}
.footer__bottom p { margin: 0; }
.footer__built { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; opacity: 0.7; }

/* ---------- 滚动入场 ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- 提示页（退订 / 404） ---------- */
.page-simple { min-height: 100vh; display: flex; flex-direction: column; }
.page-simple .topbar { position: absolute; }
.page-simple main { flex: 1; display: flex; align-items: center; padding: 140px 0 80px; }
.simple-card {
  max-width: 620px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  text-align: left;
}
.simple-card__label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--accent);
  opacity: 0.8;
  margin: 0 0 22px;
}
.simple-card h1 {
  font-family: var(--serif);
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.35;
  font-weight: 600;
  margin: 0 0 20px;
}
.simple-card p { color: var(--muted); font-size: 14.5px; line-height: 2; margin: 0 0 16px; }
.simple-card .btn { margin-top: 26px; }
.simple-card code {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-2);
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 7px;
  border-radius: 2px;
}
.simple-card__form { margin-top: 28px; }
.notice-line {
  margin: 22px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-2);
  background: rgba(124, 198, 242, 0.05);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .topbar__mail { display: none; }
  .hero__stage { width: 56%; right: -6%; }
}

@media (max-width: 900px) {
  .section__inner--split { grid-template-columns: minmax(0, 1fr); gap: 54px; }
  .section__head--side { position: static; }
  .subscribe { grid-template-columns: minmax(0, 1fr); gap: 42px; }
}

@media (max-width: 768px) {
  html { scroll-padding-top: 74px; }
  .topbar__inner { height: 64px; gap: 20px; }
  .brand__name { font-size: 11px; letter-spacing: 0.26em; }
  .brand__mark svg { width: 21px; height: 21px; }
  .topnav { gap: 20px; }
  .topnav a { font-size: 12px; letter-spacing: 0.08em; }

  .hero { align-items: flex-end; min-height: 100svh; }
  .hero__stage {
    top: 0;
    width: 100%;
    height: 74%;
    opacity: 1;
  }
  .hero__stage::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7, 10, 16, 0.25) 0%, rgba(7, 10, 16, 0.1) 42%, var(--bg) 96%);
  }
  .hero__poster, .hero__canvas { object-fit: cover; object-position: 50% 34%; }
  .hero__glow { inset: 12% -20% 10%; }
  .hero__inner { padding: 0 var(--gutter) 10vh; }
  .hero__kicker { margin-bottom: 22px; font-size: 9px; letter-spacing: 0.28em; }
  .hero__title { font-size: clamp(52px, 16.5vw, 84px); }
  .hero__line { margin-top: 26px; font-size: 18px; }
  .hero__meta { margin-top: 12px; font-size: 11px; }
  .hero__actions { margin-top: 34px; gap: 20px; }
  .hero__scroll { display: none; }

  .section { padding: 84px 0; }
  .section__title { font-size: clamp(30px, 7.4vw, 42px); }
  .section__intro { font-size: 13.5px; }

  .site-item__link { grid-template-columns: 34px minmax(0, 1fr); gap: 12px; padding: 24px 0; }
  .site-item__domain { display: none; }
  .site-item__desc { font-size: 12.5px; }
  .site-item__link:hover { padding-left: 10px; }

  .timeline__item { grid-template-columns: minmax(0, 1fr); gap: 8px; padding-left: 26px; padding-bottom: 34px; }
  .timeline__date { padding-top: 0; }

  .sub-form__row { flex-direction: column; align-items: stretch; gap: 18px; }
  .sub-form__row .btn { justify-content: center; }

  .footer__friends { margin-top: 28px; gap: 8px 20px; }
  .footer__cols { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; gap: 8px; }
}

@media (max-width: 420px) {
  .hero__title { font-size: clamp(46px, 16vw, 64px); }
  .hero__line { font-size: 16.5px; }
  .hero__actions .btn { padding: 12px 20px; }
  .footer__cols { grid-template-columns: minmax(0, 1fr); }
  .subscribe__panel { padding: 22px 18px; }
}

@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 { opacity: 1; transform: none; }
  .hero__stage { opacity: 1; transform: none; }
}

.footer__privacy {
  margin-top: 10px;
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.02em;
}

/* ---------- 语言切换 ---------- */
.lang-switch {
  display: inline-flex;
  align-items: center;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 10.5px;
  overflow: hidden;
}
.lang-switch a {
  color: var(--dim);
  padding: 3px 8px;
  line-height: 1.5;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.lang-switch a + a { border-left: 1px solid var(--line); }
.lang-switch a:hover { color: var(--ink-2); background: rgba(124, 198, 242, 0.05); }
.lang-switch a.is-on { color: var(--accent); background: rgba(124, 198, 242, 0.09); }

/* ---------- 置顶标记 ---------- */
.pin {
  display: inline-block;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid rgba(124, 198, 242, 0.32);
  padding: 1px 6px;
  border-radius: 2px;
  vertical-align: 2px;
}

/* ---------- 动态配图 ---------- */
.update-images { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.update-thumb {
  display: block;
  width: 92px;
  height: 92px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel);
}
.update-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s var(--ease);
}
.update-thumb:hover img { transform: scale(1.05); }
.updates__all { display: inline-block; margin-top: 20px; }
.timeline__title .pin { margin-right: 8px; }

/* ---------- 动态列表页 ---------- */
.page-head { padding: 148px 0 48px; }
.page-head__inner { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.page-head__title {
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 600;
  margin: 14px 0 0;
  line-height: 1.2;
}
.page-head__intro { color: var(--muted); margin-top: 14px; max-width: 56ch; font-size: 14.5px; }
.section--update-list { padding-top: 0; }
.update-list { display: flex; flex-direction: column; }
.update-card { padding: 34px 0; border-top: 1px solid var(--line); }
.update-card:last-child { border-bottom: 1px solid var(--line); }
.update-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--dim);
}
.update-card__title { font-family: var(--serif); font-size: 23px; font-weight: 600; margin: 10px 0 8px; line-height: 1.4; }
.update-card__title a { color: var(--ink); border-bottom: 1px solid transparent; transition: border-color 0.25s var(--ease); }
.update-card__title a:hover { border-bottom-color: var(--accent); }
.update-card__text { color: var(--muted); font-size: 14px; line-height: 1.9; max-width: 72ch; }
.updates-empty { padding: 70px 0; text-align: center; color: var(--dim); font-size: 14px; }
.updates-back { margin-top: 46px; }

.pager--site { display: flex; align-items: center; gap: 14px; margin-top: 38px; font-size: 13px; }
.pager__link { color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.pager__link:hover { color: var(--ink); border-bottom-color: var(--accent); }
.pager__cur { font-family: var(--mono); font-size: 11px; color: var(--dim); }

/* ---------- 动态详情 ---------- */
.update-single__inner { max-width: 760px; margin: 0 auto; padding: 148px var(--gutter) 90px; }
.update-single__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--dim);
}
.update-single__title {
  font-family: var(--serif);
  font-size: clamp(30px, 4.6vw, 42px);
  font-weight: 600;
  line-height: 1.28;
  margin: 16px 0 26px;
}
.update-single__body { color: var(--ink-2); font-size: 15.5px; line-height: 2; }
.update-single__body p { margin: 0 0 1em; }
.update-single__body strong { color: var(--ink); }
.update-single__body code {
  font-family: var(--mono);
  font-size: 12.5px;
  background: rgba(124, 198, 242, 0.08);
  border: 1px solid var(--line);
  padding: 1px 5px;
  border-radius: 2px;
}
.update-single__body a { border-bottom: 1px solid var(--line-strong); }
.update-single__body a:hover { border-bottom-color: var(--accent); }
.update-images--single .update-thumb { width: 100%; height: auto; max-width: 100%; }
.update-images--single .update-thumb img { height: auto; object-fit: contain; }
.update-single__link { margin-top: 34px; }

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(4, 7, 11, 0.94);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: min(94vw, 1240px);
  max-height: 86vh;
  object-fit: contain;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
}
.lightbox__close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  border-radius: 2px;
}
.lightbox__close:hover { background: rgba(124, 198, 242, 0.1); }
body.is-locked { overflow: hidden; }

/* ---------- 英文排版 ---------- */
html[lang="en"] .section__title,
html[lang="en"] .page-head__title,
html[lang="en"] .update-single__title,
html[lang="en"] .update-card__title,
html[lang="en"] .simple-card h1 {
  letter-spacing: -0.015em;
  line-height: 1.16;
}
html[lang="en"] .hero__line { max-width: 26ch; letter-spacing: -0.01em; }
html[lang="en"] .btn { letter-spacing: 0.02em; }
html[lang="en"] .topnav a { letter-spacing: 0.03em; }
html[lang="en"] .eyebrow { letter-spacing: 0.2em; }
html[lang="en"] .section__intro,
html[lang="en"] .update-card__text,
html[lang="en"] .update-single__body,
html[lang="en"] .site-item__desc { letter-spacing: 0.005em; word-break: normal; overflow-wrap: break-word; }
html[lang="en"] .footer__note { max-width: 38ch; }

@media (max-width: 900px) {
  .page-head { padding-top: 118px; }
  .update-single__inner { padding-top: 118px; }
}
@media (max-width: 768px) {
  .lang-switch { font-size: 10px; }
  .lang-switch a { padding: 3px 7px; }
  .topbar__inner { gap: 14px; }
  .topnav { gap: 16px; }
  .page-head { padding: 108px 0 34px; }
  .update-single__inner { padding: 108px var(--gutter) 70px; }
  .update-thumb { width: 78px; height: 78px; }
  html[lang="en"] .topnav a { font-size: 11.5px; }
  html[lang="en"] .brand__name { letter-spacing: 0.2em; }
}
@media (max-width: 420px) {
  .topbar__inner { gap: 8px; }
  .brand__name { display: none; }
  .topnav { gap: 9px; }
  .topnav a { font-size: 11px; letter-spacing: 0.02em; white-space: nowrap; }
  html[lang="en"] .topnav a { font-size: 10.5px; }
  .lang-switch a { padding: 2px 6px; }
  .update-thumb { width: 70px; height: 70px; }
  .lightbox { padding: 14px; }
}

/* ---------- 站点网络 ---------- */
.sitebeat-pixel {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.net-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(40px, 5vw, 64px);
}
.net-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 22px 22px 18px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(18, 27, 40, 0.55), rgba(10, 15, 24, 0.35));
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}
.net-card:hover {
  border-color: rgba(124, 198, 242, 0.45);
  transform: translateY(-2px);
  background: linear-gradient(180deg, rgba(24, 38, 56, 0.62), rgba(12, 18, 28, 0.4));
}
.net-card__head { display: flex; flex-direction: column; gap: 6px; }
.net-card__name { font-size: 14px; letter-spacing: 0.04em; color: var(--ink); }
.net-card__note { font-size: 10px; letter-spacing: 0.18em; color: var(--dim); }
.net-card__nums { display: flex; gap: 22px; }
.net-card__num { display: flex; flex-direction: column; gap: 4px; }
.net-card__num b {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.01em;
  color: #eaf3fb;
  font-variant-numeric: tabular-nums;
}
.net-card__num i {
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--dim);
}
.net-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--dim);
}
.net-card:hover .net-card__foot { color: var(--muted); }
.net-foot { margin: 18px 0 0; font-size: 11.5px; line-height: 1.9; color: var(--dim); }
html[lang="en"] .net-card__note { letter-spacing: 0.1em; }

@media (max-width: 900px) {
  .net-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .net-grid { grid-template-columns: 1fr; gap: 10px; }
  .net-card { padding: 18px; }
  .net-card__num b { font-size: 22px; }
}

/* ============================================================
   视觉打磨：统一圆角/间距/字阶、补齐交互三态与禁用态
   不改结构、信息架构与路由
   ============================================================ */
:root {
  --r-xs: 6px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --space-section: clamp(84px, 10vw, 140px);
  --space-block: clamp(40px, 5vw, 64px);
  --card-pad: clamp(20px, 2.8vw, 30px);
}

a {
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 间距与版心节奏 */
.section { padding: var(--space-section) 0; }
.section__head { max-width: 580px; }
.eyebrow { margin-bottom: 22px; }
.section__intro { margin-top: 22px; line-height: 1.95; max-width: 46ch; }
.site-list { margin-top: var(--space-block); }
.net-grid { margin-top: var(--space-block); }

/* 字阶与行高（中文不做负字距） */
.section__title { line-height: 1.22; letter-spacing: 0.01em; text-wrap: balance; }
.page-head__title { line-height: 1.18; letter-spacing: 0.01em; text-wrap: balance; }
.timeline__title { line-height: 1.55; text-wrap: pretty; }
.timeline__text { line-height: 1.9; max-width: 62ch; }
.update-card__title { line-height: 1.42; text-wrap: pretty; }
.update-card__text { line-height: 1.9; }
.update-single__title { line-height: 1.26; text-wrap: balance; }
.update-single__body { line-height: 1.95; }
.page-head__intro { line-height: 1.95; }
.simple-card p { line-height: 1.95; }

/* 区块留白 */
.update-card { padding: 30px 0; }
.update-single__inner { padding-bottom: 84px; }
.subscribe__panel {
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(17, 25, 38, 0.72), rgba(10, 15, 24, 0.6));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}
.subscribe__panel::before { height: 2px; width: 56px; border-radius: 2px; }

/* 站点网络卡片与圆角统一 */
.net-card { border-radius: var(--r-md); }
.net-card__num b { letter-spacing: 0; }

/* 按钮：hover / focus / active / disabled 四态 */
.btn { border-radius: var(--r-sm); }
.btn:focus-visible { outline-offset: 3px; }
.btn:active { transform: translateY(0); background: rgba(124, 198, 242, 0.12); }
.btn--solid:active { background: #6fb8e0; border-color: #6fb8e0; transform: translateY(0); }
.btn[disabled], .btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}
.link-quiet {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom-color: var(--line-strong);
}
.link-quiet:active { color: var(--ink-2); }

/* 顶栏 / 页脚链接三态 */
.topnav a { position: relative; }
.topnav a:hover { color: var(--ink); }
.topnav a:active { color: var(--accent); }
.topnav a:focus-visible { outline-offset: 6px; }
.footer__link:hover { color: var(--accent); }
.footer__link:active { color: #a9d9f5; }
.site-item__link:active { background: rgba(124, 198, 242, 0.07); }
.net-card:active { transform: translateY(0); }

/* 图片：统一圆角、底色占位，避免加载瞬间闪白 */
.update-thumb { border-radius: var(--r-sm); background: #0d141f; }
.update-thumb img { background-color: #0d141f; }
.update-images--single .update-thumb {
  border-radius: var(--r-md);
  background: #0d141f;
  overflow: hidden;
}
.lightbox img { border-radius: var(--r-sm); background: #0d141f; }
.lightbox__close { border-radius: var(--r-sm); }
.img-manage__item, .preview-box { border-radius: var(--r-sm); }

/* 标签/小件圆角统一 */
.pin, .lang-switch, .wm-tag { border-radius: var(--r-xs); }
.simple-card code, .update-single__body code { border-radius: var(--r-xs); }
.notice-line, .sub-feedback { border-radius: var(--r-sm); }

/* 窄屏：标题与正文不溢出，长正文行宽可控 */
@media (max-width: 768px) {
  .section { padding: 76px 0; }
  .page-head { padding: 120px 0 40px; }
  .update-single__inner { padding-top: 120px; }
  .update-card { padding: 26px 0; }
  .update-card__title { font-size: 21px; }
  .timeline__text { max-width: none; }
  .btn { padding: 12px 22px; font-size: 12.5px; }
}
@media (max-width: 420px) {
  .section__title { line-height: 1.26; }
  .net-card__nums { gap: 16px; }
}

/* ---------- 三维模型（自托管 three.js，无播放器、无底色） ---------- */
/* 桌面：标题区在左、模型独占右列；窄屏回落为标题在上、模型整宽在下 */
@media (min-width: 901px) {
  .sites-top--split {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 48px;
    align-items: start;
  }
  .sites-top--split .ship { margin: 0; }
}
.ship { margin: clamp(38px, 5vw, 58px) 0 0; min-width: 0; }
.ship__stage {
  position: relative;
  aspect-ratio: 2.6 / 1;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  background: transparent;
}

.ship__poster,
.ship__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.ship__poster { opacity: 1; transition: opacity 0.5s var(--ease); }
.ship__poster img { width: 100%; height: 100%; object-fit: contain; display: block; }
.ship__canvas { opacity: 0; transition: opacity 0.6s var(--ease); }
.ship.is-ready .ship__poster { opacity: 0; }
.ship.is-ready .ship__canvas { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .ship__poster, .ship__canvas { transition: none; }
}

/* ---------- 音乐播放器：右下悬浮条，点开为面板 ---------- */
.mp {
  --mp-coral: #ff6f95;
  --mp-surface: rgba(11, 17, 27, 0.92);
  position: fixed;
  right: clamp(14px, 2.4vw, 30px);
  bottom: clamp(14px, 2.4vw, 26px);
  z-index: 95;
  width: 336px;
  max-width: calc(100vw - 28px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--mp-surface);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  backdrop-filter: blur(18px) saturate(120%);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.46), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.5;
  text-align: left;
}
.mp__bar { display: flex; align-items: center; gap: 4px; padding: 8px 10px; }
.mp__now {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 4px 6px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s var(--ease);
}
.mp__now:hover { background: rgba(124, 198, 242, 0.07); }
.mp__meta { display: flex; flex-direction: column; min-width: 0; }
.mp__title {
  overflow: hidden;
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.mp__sub {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.mp__eq { display: flex; align-items: flex-end; gap: 2px; flex: none; width: 16px; height: 16px; }
.mp__eq i { width: 2px; height: 5px; border-radius: 1px; background: var(--accent); opacity: 0.85; }
.mp__eq i:nth-child(2) { height: 10px; }
.mp__eq i:nth-child(3) { height: 7px; }
.mp.is-playing .mp__eq i { animation: mp-eq 0.9s ease-in-out infinite alternate; }
.mp.is-playing .mp__eq i:nth-child(2) { animation-delay: 0.25s; }
.mp.is-playing .mp__eq i:nth-child(3) { animation-delay: 0.5s; }
@keyframes mp-eq {
  from { transform: scaleY(0.42); }
  to { transform: scaleY(1); }
}
.mp__ctrl { display: flex; align-items: center; gap: 2px; flex: none; }
.mp__btn {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.mp__btn:hover { color: var(--ink); background: rgba(124, 198, 242, 0.12); }
.mp__btn--play { width: 34px; height: 34px; background: var(--accent); color: #041018; }
.mp__btn--play:hover { background: #95d4f7; color: #041018; }
.mp__i-pause { display: none; }
.mp.is-playing .mp__i-play { display: none; }
.mp.is-playing .mp__i-pause { display: block; }

.mp__panel {
  display: grid;
  gap: 12px;
  max-height: calc(100dvh - 150px);
  padding: 12px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border-top: 1px solid var(--line);
}
.mp__panel[hidden] { display: none; }

.mp__seek { display: grid; gap: 4px; }
.mp__time {
  display: flex;
  justify-content: space-between;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.02em;
}
.mp__range {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 14px;
  margin: 0;
  background: transparent;
  cursor: pointer;
}
.mp__range::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(
    to right,
    var(--mp-fill, var(--accent)) 0%,
    var(--mp-fill, var(--accent)) var(--mp-p, 0%),
    rgba(148, 178, 210, 0.18) var(--mp-p, 0%),
    rgba(148, 178, 210, 0.18) 100%
  );
}
.mp__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 11px;
  height: 11px;
  margin-top: -4px;
  border: 0;
  border-radius: 50%;
  background: #f4f8ff;
  box-shadow: 0 0 0 3px rgba(124, 198, 242, 0.18);
}
.mp__range::-moz-range-track {
  height: 3px;
  border-radius: 999px;
  background: rgba(148, 178, 210, 0.18);
}
.mp__range::-moz-range-progress {
  height: 3px;
  border-radius: 999px;
  background: var(--mp-fill, var(--accent));
}
.mp__range--seek { --mp-fill: var(--mp-coral); }
.mp__range--seek::-webkit-slider-thumb { box-shadow: 0 0 0 3px rgba(255, 111, 149, 0.22); }

.mp__lyrics {
  position: relative;
  height: 126px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(6, 10, 16, 0.55);
}
.mp__lyr-scroll {
  height: 100%;
  padding: 50px 14px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
}
.mp__lyr-scroll::-webkit-scrollbar { display: none; }
.mp__lyric {
  margin: 0 0 9px;
  color: var(--dim);
  font-size: 12.5px;
  line-height: 1.6;
  transition: color 0.25s var(--ease), transform 0.25s var(--ease);
}
.mp__lyric.is-on {
  color: var(--mp-coral);
  font-weight: 500;
  transform: scale(1.02);
  transform-origin: left center;
}
.mp__lyr-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  color: var(--dim);
  font-size: 12px;
  text-align: center;
}

.mp__list { display: grid; gap: 2px; margin: 0; padding: 0; list-style: none; }
.mp__track {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 7px 8px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--ink-2);
  text-align: left;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.mp__track:hover { background: rgba(124, 198, 242, 0.08); color: var(--ink); }
.mp__track.is-on { background: rgba(255, 111, 149, 0.09); color: var(--ink); }
.mp__track-idx { flex: none; width: 14px; color: var(--dim); font-family: var(--mono); font-size: 10px; }
.mp__track.is-on .mp__track-idx { color: var(--mp-coral); }
.mp__track-main { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.mp__track-title {
  overflow: hidden;
  font-size: 12.5px;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.mp__track-artist {
  overflow: hidden;
  color: var(--muted);
  font-size: 10.5px;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.mp__track-dur { flex: none; color: var(--dim); font-family: var(--mono); font-size: 10px; }
.mp__foot { display: flex; align-items: center; gap: 9px; color: var(--muted); }
.mp__range--vol { flex: 1; width: auto; }
.mp__volnum { width: 20px; color: var(--dim); font-family: var(--mono); font-size: 10px; text-align: right; }

.footer--mp { padding-bottom: 104px; }

@media (max-width: 640px) {
  .mp {
    left: 12px;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    width: auto;
    max-width: none;
  }
  .mp__bar { padding: 7px 9px; }
  .mp__btn { width: 34px; height: 34px; }
  .mp__btn--play { width: 36px; height: 36px; }
  .mp__panel { gap: 10px; max-height: 56vh; padding: 10px; }
  .mp__lyrics { height: 104px; }
  .mp__lyr-scroll { padding: 42px 12px; }
  .footer--mp { padding-bottom: 112px; }
}

@media (prefers-reduced-motion: reduce) {
  .mp.is-playing .mp__eq i { animation: none; }
  .mp__lyric { transition: none; }
}

/* ── 首页动态跑马灯（导航下方，全宽无缝循环） ─────────────── */
.ticker {
  position: relative;
  margin-top: 72px;               /* 让出固定导航，带子上沿紧贴导航下沿 */
  height: 40px;                   /* 固定高度：字体加载前后不产生 CLS */
  background: rgba(8, 12, 19, 0.74);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;               /* 全宽滚动带的溢出闸门：绝不让轨道撑出横向滚动 */
  contain: paint;
}
.ticker__viewport { height: 100%; overflow: hidden; }
.ticker__track {
  display: flex;
  align-items: center;
  height: 100%;
  width: -webkit-max-content;
  width: max-content;
}
.ticker__track.is-running { animation: ticker-loop var(--ticker-dur, 40s) linear infinite; }
.ticker__track.is-running:hover,
.ticker__track.is-running:focus-within { animation-play-state: paused; }
.ticker__group {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
  padding: 0 32px 0 0;
  list-style: none;
  flex: none;
}
.ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--ink-2);
  white-space: nowrap;
}
.ticker__item a { color: inherit; text-decoration: none; }
.ticker__item a:hover { color: var(--ink); }
.ticker__sep {
  flex: none;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}
.ticker--static { display: flex; align-items: center; }
.ticker__fallback {
  margin: 0;
  padding: 0 var(--gutter);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@keyframes ticker-loop {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(calc(-1 * var(--ticker-shift, 0px)), 0, 0); }
}

@media (max-width: 768px) {
  .ticker { margin-top: 64px; height: 36px; }
  .ticker__item { font-size: 11.5px; letter-spacing: 0.04em; }
  .ticker__group { gap: 26px; padding-right: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  .ticker__track { animation: none !important; transform: none !important; padding-left: var(--gutter); }
  .ticker__group[data-clone] { display: none !important; }
}