/* 云端生活小助手 — 天际曙色 × 杂志编辑向 */
:root {
  --ink: #0f1419;
  --ink-soft: #2c3544;
  --muted: #5c6678;
  --mist: #e8eef6;
  --dawn: #f4f0eb;
  --paper: rgba(255, 252, 248, 0.82);
  --paper-border: rgba(45, 62, 88, 0.12);
  --accent: #b54a32;
  --accent-soft: #d4725a;
  --sky-deep: #3d6a8c;
  --sky-light: #8ebfe0;
  --gold-line: #c9a227;
  --shadow-soft: 0 4px 24px rgba(15, 30, 50, 0.06);
  --shadow-lift: 0 18px 48px rgba(20, 45, 75, 0.1);
  --shadow-hero: 0 22px 56px rgba(18, 38, 68, 0.12), 0 8px 24px rgba(18, 38, 68, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
  --shadow-card-hover: 0 20px 44px rgba(20, 45, 75, 0.14);
  --desc-muted: #6e7a8c;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
    system-ui, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  /* 全屏噪点约 3%～5% 视觉权重，减轻「数码塑料感」 */
  --noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.055'/%3E%3C/svg%3E");
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  color: var(--ink-soft);
  line-height: 1.65;
  /* 顶部略亮，暗示「向天空敞开」，与远景云带呼应 */
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22) 0%, transparent 38%),
    linear-gradient(
      168deg,
      #dfe9f3 0%,
      #e8eef8 28%,
      #f2ece6 58%,
      #ebe4dc 100%
    );
  background-attachment: fixed;
  touch-action: manipulation;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  /* 与 SVG 内噪点透明度叠加，整体约 2%～5% 可见度 */
  opacity: 0.55;
  background-image: var(--noise);
}

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

.atmosphere__grid {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  /* 细网格 + 稀疏主格线，坐标纸感 */
  background-image: linear-gradient(rgba(255, 255, 255, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.55) 1px, transparent 1px),
    linear-gradient(rgba(61, 106, 140, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 106, 140, 0.045) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
  mask-image: radial-gradient(ellipse 78% 62% at 50% 38%, black 18%, transparent 78%);
}

.atmosphere__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(92px);
  opacity: 0.5;
}

/* 左上：淡紫雾，呼应「云」与柔和层次 */
.atmosphere__glow--a {
  width: min(68vw, 500px);
  height: min(68vw, 500px);
  top: -18%;
  left: -14%;
  right: auto;
  background: radial-gradient(
    circle,
    rgba(196, 188, 238, 0.55) 0%,
    rgba(180, 200, 235, 0.2) 42%,
    transparent 72%
  );
  animation: drift-a 28s var(--ease-out) infinite alternate;
}

/* 右下：淡蓝光斑，与左上形成虚实对比 */
.atmosphere__glow--b {
  width: min(62vw, 460px);
  height: min(62vw, 460px);
  bottom: -14%;
  right: -10%;
  left: auto;
  top: auto;
  background: radial-gradient(circle, rgba(130, 195, 235, 0.5) 0%, rgba(100, 160, 210, 0.12) 48%, transparent 70%);
  animation: drift-b 34s var(--ease-out) infinite alternate;
}

/* 中部极淡高光，托起主内容区 */
.atmosphere__glow--c {
  width: min(48vw, 420px);
  height: min(48vw, 420px);
  top: 36%;
  left: 32%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.42) 0%, transparent 68%);
  filter: blur(72px);
  opacity: 0.4;
  animation: drift-c 22s var(--ease-out) infinite alternate;
}

@keyframes drift-a {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(-4%, 6%) scale(1.05);
  }
}

@keyframes drift-b {
  from {
    transform: translate(0, 0);
  }
  to {
    transform: translate(8%, -4%);
  }
}

@keyframes drift-c {
  from {
    transform: translate(0, 0);
    opacity: 0.35;
  }
  to {
    transform: translate(-6%, 5%);
    opacity: 0.5;
  }
}

/* 高空淡云絮：模糊椭圆叠层，不做具象卡通云 */
.atmosphere__clouds {
  position: absolute;
  left: 50%;
  top: -3%;
  width: min(128vw, 1720px);
  height: min(34vh, 300px);
  transform: translateX(-50%);
  opacity: 0.68;
  pointer-events: none;
  animation: cloud-drift 52s ease-in-out infinite alternate;
}

@keyframes cloud-drift {
  from {
    transform: translateX(calc(-50% - 18px));
  }
  to {
    transform: translateX(calc(-50% + 18px));
  }
}

.atmosphere__svg {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 120%;
  min-width: 960px;
  height: auto;
  transform: translateX(-50%);
  opacity: 0.55;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.75rem;
  z-index: 100;
  padding: 0.6rem 1.1rem;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.skip-link:focus {
  left: 0.75rem;
  outline: 3px solid var(--sky-light);
  outline-offset: 2px;
}

.main-shell {
  position: relative;
  z-index: 1;
  flex: 1;
  width: 100%;
  max-width: 52rem;
  margin: 0 auto;
  padding: clamp(1.75rem, 5vw, 3rem) clamp(1.1rem, 4vw, 1.75rem) clamp(2.5rem, 6vw, 4rem);
}

.hero {
  position: relative;
  background: var(--paper);
  border: 1px solid rgba(45, 62, 88, 0.14);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hero);
  padding: clamp(1.85rem, 4.5vw, 2.75rem) clamp(1.35rem, 4vw, 2.25rem)
    clamp(2rem, 4vw, 2.5rem);
  backdrop-filter: blur(20px);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 8%;
  right: 8%;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, transparent, var(--gold-line), transparent);
  opacity: 0.85;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: none;
  color: var(--muted);
}

.title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.site-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 5.2vw, 2.55rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.title-ornament {
  display: flex;
  color: var(--sky-deep);
  opacity: 0.85;
  transform: translateY(-4px);
}

.lede {
  margin: 0;
  max-width: 38em;
  font-size: 1.0625rem;
  color: var(--muted);
  line-height: 1.75;
}

.hero__accent {
  margin: 1.35rem 0 0;
  width: 3.5rem;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
}

.content-panel {
  margin-top: 2rem;
  padding-top: 1.75rem;
}

/* 虚线仅在 ::before 上渐变遮罩，勿对整块 content-panel 使用 mask，否则会连子元素文字一起变淡、像「发糊」 */
.content-panel--ruled {
  border-top: none;
  position: relative;
}

.content-panel--ruled::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  pointer-events: none;
  background: repeating-linear-gradient(
    90deg,
    rgba(45, 62, 88, 0.14) 0,
    rgba(45, 62, 88, 0.14) 5px,
    transparent 5px,
    transparent 10px
  );
  mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.panel-head__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.06em;
}

.panel-head__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(45, 62, 88, 0.2), transparent);
}

.panel-head__line--fade {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(45, 62, 88, 0.18) 22%,
    rgba(45, 62, 88, 0.1) 50%,
    rgba(45, 62, 88, 0.18) 78%,
    transparent 100%
  );
}

.dynamic-mount {
  min-height: 7.5rem;
}

/* 加载骨架屏 */
.skeleton-stack {
  padding: 0.25rem 0 0.5rem;
}

.skeleton {
  border-radius: 10px;
  background: linear-gradient(
    105deg,
    rgba(230, 235, 242, 0.9) 0%,
    rgba(245, 248, 252, 0.95) 45%,
    rgba(230, 235, 242, 0.9) 90%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.35s ease-in-out infinite;
}

.skeleton--head {
  height: 1.35rem;
  width: 42%;
  max-width: 11rem;
  margin-bottom: 0.65rem;
}

.skeleton--line {
  height: 0.75rem;
  width: 72%;
  max-width: 20rem;
  margin-bottom: 1.15rem;
  opacity: 0.85;
}

.skeleton-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .skeleton-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.skeleton--card {
  height: 5.75rem;
  border-radius: var(--radius-md);
}

@keyframes skeleton-shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

/* 入场动画（--enter 为每段延迟） */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: rise-in 0.75s var(--ease-out) forwards;
  animation-delay: var(--enter, 0s);
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tool-card--enter {
  opacity: 0;
  animation: card-in 0.65s var(--ease-out) forwards;
  animation-delay: var(--enter-delay, 0.15s);
}

.placeholder-panel {
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(61, 106, 140, 0.35);
  background: linear-gradient(135deg, rgba(142, 191, 224, 0.08), rgba(244, 240, 235, 0.5));
}

.placeholder-panel__tag {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--sky-deep);
}

.placeholder-panel__text {
  margin: 0;
  font-size: 0.98rem;
  color: var(--muted);
  line-height: 1.65;
}

/* 工具区 */
.tools-section {
  margin: 0;
}

.section-head {
  margin-bottom: 1.15rem;
}

.section-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.section-title--minor {
  font-size: 1.1rem;
  margin-top: 2rem;
}

.section-sub {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.tool-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .tool-cards {
    grid-template-columns: 1fr 1fr;
    gap: 1.1rem;
  }
}

.tool-card {
  margin: 0;
}

.tool-card__link {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  min-height: 5.5rem;
  padding: 1.15rem 1.15rem 1.15rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--paper-border);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  color: inherit;
  font: inherit;
  text-align: left;
  width: 100%;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: transform 0.22s var(--ease-out), box-shadow 0.22s var(--ease-out),
    border-color 0.22s ease;
}

.tool-card__link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(61, 106, 140, 0.28);
}

.tool-card__link:active {
  transform: translateY(-1px) scale(0.985);
  transition-duration: 0.08s;
}

.tool-card__link:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(142, 191, 224, 0.55), var(--shadow-lift);
  border-color: var(--sky-deep);
}

.tool-card__link--disabled {
  cursor: default;
  opacity: 0.92;
}

.tool-card__link--disabled:hover {
  transform: none;
  box-shadow: var(--shadow-soft);
}

.tool-card__link--disabled:active {
  transform: none;
}

.tool-card__ribbon {
  position: absolute;
  top: 0;
  right: 0;
  width: 3.6rem;
  height: 3.6rem;
  overflow: hidden;
  z-index: 3;
  pointer-events: none;
  border-radius: 0 var(--radius-md) 0 0;
}

.tool-card__ribbon-inner {
  position: absolute;
  top: 0.65rem;
  right: -1.85rem;
  width: 5.75rem;
  padding: 0.2rem 0;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #fff;
  text-align: center;
  line-height: 1.35;
  background: linear-gradient(135deg, #6b7280, #4b5563);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transform: rotate(45deg);
}

.tool-card--building .tool-card__badge {
  top: 0.55rem;
  right: auto;
  left: 0.55rem;
}

.tool-card__badge {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  z-index: 2;
  padding: 0.2rem 0.45rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  border-radius: 6px;
  line-height: 1.2;
  box-shadow: 0 2px 8px rgba(181, 74, 50, 0.35);
}

.tool-card__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(61, 106, 140, 0.12), rgba(181, 74, 50, 0.08));
  color: var(--sky-deep);
}

.tool-card--tone-study .tool-card__icon {
  background: linear-gradient(145deg, rgba(61, 106, 140, 0.2), rgba(142, 191, 224, 0.15));
  color: #2d5a78;
}

.tool-card--tone-calc .tool-card__icon,
.tool-card--tone-toolbox .tool-card__icon {
  background: linear-gradient(145deg, rgba(181, 74, 50, 0.14), rgba(201, 162, 39, 0.12));
  color: #9a4a32;
}

.tool-card--tone-study .tool-card__link:hover {
  border-color: rgba(61, 106, 140, 0.35);
}

.tool-card--tone-calc .tool-card__link:hover,
.tool-card--tone-toolbox .tool-card__link:hover {
  border-color: rgba(181, 74, 50, 0.32);
}

.tool-card__svg {
  width: 1.45rem;
  height: 1.45rem;
}

.tool-card__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-align: left;
}

.tool-card__name {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
}

.tool-card__desc {
  font-size: 0.8125rem;
  color: var(--desc-muted);
  line-height: 1.55;
  font-weight: 400;
}

.tool-card__chev {
  flex-shrink: 0;
  align-self: center;
  color: var(--muted);
  opacity: 0.55;
  transition: transform 0.22s var(--ease-out), opacity 0.22s ease;
}

.tool-card__chev--qr {
  opacity: 0.65;
  color: var(--sky-deep);
}

.tool-card__link:hover .tool-card__chev--qr {
  transform: scale(1.06);
  opacity: 0.95;
}

.tool-card__link:hover .tool-card__chev--link {
  transform: translateX(3px);
  opacity: 0.95;
  color: var(--sky-deep);
}

.notes-section {
  margin-top: 0.5rem;
}

.note-list {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.block {
  margin-bottom: 1.5rem;
}

/* 小程序码弹层 */
body.qr-modal-open {
  overflow: hidden;
}

.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  box-sizing: border-box;
}

.qr-modal[hidden] {
  display: none !important;
}

.qr-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 25, 40, 0.48);
  backdrop-filter: blur(6px);
}

.qr-modal__panel {
  position: relative;
  z-index: 1;
  width: min(100%, 22rem);
  padding: 1.5rem 1.35rem 1.35rem;
  border-radius: var(--radius-lg);
  background: var(--paper);
  border: 1px solid var(--paper-border);
  box-shadow: 0 28px 64px rgba(15, 30, 50, 0.22);
  animation: qr-modal-in 0.28s var(--ease-out) both;
}

@keyframes qr-modal-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.qr-modal__close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  border-radius: 10px;
  background: rgba(45, 62, 88, 0.06);
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.qr-modal__close:hover,
.qr-modal__close:focus-visible {
  background: rgba(45, 62, 88, 0.12);
  color: var(--ink-soft);
}

.qr-modal__close:focus-visible {
  outline: 2px solid var(--sky-light);
  outline-offset: 2px;
}

.qr-modal__title {
  margin: 0 2.25rem 0.35rem 0;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.qr-modal__hint {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

.qr-modal__figure {
  margin: 0 auto;
  width: fit-content;
  padding: 0.65rem;
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(45, 62, 88, 0.1);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.qr-modal__img {
  display: block;
  width: min(220px, 70vw);
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}

.qr-modal__empty {
  margin: 0;
  padding: 1rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted);
  text-align: center;
  background: rgba(61, 106, 140, 0.06);
  border-radius: var(--radius-sm);
}

.qr-modal__web {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  text-align: center;
}

.qr-modal__weblink {
  color: var(--sky-deep);
  font-weight: 600;
  text-decoration: none;
}

.qr-modal__weblink:hover,
.qr-modal__weblink:focus-visible {
  text-decoration: underline;
}

.qr-modal__weblink:focus-visible {
  outline: 2px solid var(--sky-light);
  outline-offset: 2px;
  border-radius: 2px;
}

/* 页脚 */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding: 1.5rem clamp(1rem, 4vw, 1.5rem) 1.75rem;
  background: linear-gradient(180deg, rgba(255, 252, 248, 0.92), rgba(237, 232, 226, 0.95));
  border-top: 1px solid rgba(45, 62, 88, 0.1);
  text-align: center;
}

.footer-social {
  margin: 0 0 1rem;
}

.footer-social[hidden] {
  display: none !important;
}

.footer-social__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  justify-content: center;
}

.footer-social__a {
  min-height: 44px;
  padding: 0.45rem 0.6rem;
  display: inline-flex;
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--sky-deep);
  text-decoration: none;
}

.footer-social__a:hover,
.footer-social__a:focus-visible {
  text-decoration: underline;
}

.footer-social__a:focus-visible {
  outline: 2px solid var(--sky-light);
  outline-offset: 2px;
  border-radius: 4px;
}

.footer-compliance {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 0.25rem;
}

.footer-legal-row {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  column-gap: clamp(2rem, 6vw, 3.75rem);
  row-gap: 0.85rem;
}

.icp-line {
  margin: 0;
  flex: 0 1 auto;
  font-size: 0.875rem;
  color: var(--muted);
  letter-spacing: 0.03em;
  text-align: center;
}

.icp-line a {
  color: var(--sky-deep);
  text-decoration: none;
  font-weight: 600;
}

.icp-line a:hover,
.icp-line a:focus-visible {
  text-decoration: underline;
  color: var(--ink-soft);
}

.icp-line a:focus-visible {
  outline: 2px solid var(--sky-light);
  outline-offset: 3px;
  border-radius: 2px;
}

.footer-mps-root {
  flex: 0 1 auto;
  width: auto;
  max-width: min(100%, 36rem);
}

.footer-mps-root--empty {
  display: none;
}

/* 与 ICP 同行：单行文案，无虚线框 */
.mps-inline {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
  letter-spacing: 0.03em;
  line-height: 1.5;
  text-align: center;
}

.mps-inline a {
  color: var(--sky-deep);
  text-decoration: none;
  font-weight: 600;
}

.mps-inline a:hover,
.mps-inline a:focus-visible {
  text-decoration: underline;
  color: var(--ink-soft);
}

.mps-inline a:focus-visible {
  outline: 2px solid var(--sky-light);
  outline-offset: 3px;
  border-radius: 2px;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .atmosphere__glow--a,
  .atmosphere__glow--b,
  .atmosphere__glow--c,
  .atmosphere__clouds {
    animation: none;
  }

  .reveal,
  .tool-card--enter {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .tool-card__link,
  .tool-card__chev {
    transition: none;
  }

  .tool-card__link:hover {
    transform: none;
  }

  .tool-card__link:active {
    transform: none;
  }

  .skeleton {
    animation: none;
    background: rgba(230, 235, 242, 0.85);
  }

  .qr-modal__panel {
    animation: none;
  }

  .qr-modal__backdrop {
    backdrop-filter: none;
  }
}