/*
 * 乌云摇滚壁纸 · 全站编辑式设计系统
 * 该文件在 Bootstrap、site.css 和 Razor scoped CSS 之后加载，集中统一
 * 公共站点、推广中心与管理后台的布局、组件和响应式行为。
 */

:root {
  --studio-canvas: #eee9df;
  --studio-paper: #fbf8f1;
  --studio-paper-strong: #fffdf8;
  --studio-ink: #1f1d1a;
  --studio-muted: #686159;
  --studio-line: #d6cfc2;
  --studio-line-strong: #aaa093;
  --studio-accent: #ad4f33;
  --studio-accent-dark: #81361f;
  --studio-accent-pale: #f2dfd4;
  --studio-blue: #285f79;
  --studio-success: #27663d;
  --studio-danger: #8f3835;
  --studio-space-1: .25rem;
  --studio-space-2: .5rem;
  --studio-space-3: .75rem;
  --studio-space-4: 1rem;
  --studio-space-5: 1.5rem;
  --studio-space-6: 2rem;
  --studio-space-7: 3rem;
  --studio-radius: .35rem;
  --studio-shadow: 0 16px 40px rgba(43, 35, 27, .075);
  --studio-ease: cubic-bezier(.16, 1, .3, 1);
}

html {
  background: var(--studio-canvas);
  scroll-padding-top: 6rem;
}

body,
body.public-site,
body.admin-site,
body.promoter-site {
  background:
    linear-gradient(180deg, rgba(255, 253, 248, .84) 0, rgba(238, 233, 223, .96) 34rem),
    var(--studio-canvas);
  color: var(--studio-ink);
  min-width: 320px;
  overflow-x: hidden;
}

body.public-site::before {
  background-image:
    repeating-linear-gradient(0deg, rgba(31, 29, 26, .025) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, rgba(31, 29, 26, .018) 0 1px, transparent 1px 40px);
  opacity: .7;
}

body.public-site::after {
  background-position: calc(100% + 150px) 6rem;
  background-size: min(42vw, 500px) auto;
  opacity: .028;
}

.container {
  max-width: 1180px;
}

.page-shell {
  width: 100%;
}

.main-content {
  padding-block: clamp(1.5rem, 4vw, 3.25rem) clamp(3.5rem, 7vw, 6.5rem);
}

.main-content:focus {
  outline-offset: -3px;
}

/* Header and navigation */
.site-header {
  background: rgba(251, 248, 241, .94);
  border-bottom: 1px solid rgba(170, 160, 147, .62);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .65);
  backdrop-filter: blur(14px);
}

.navbar {
  min-height: 4.75rem;
  padding-block: .65rem;
}

.navbar > .container {
  gap: 1rem;
}

.navbar-brand {
  flex: 0 1 auto;
  gap: .65rem;
  min-height: 48px;
  min-width: 0;
  padding: .3rem 0;
}

.brand-icon {
  border: 1px solid rgba(31, 29, 26, .18);
  border-radius: .25rem;
  box-shadow: 0 3px 10px rgba(31, 29, 26, .12);
  flex: 0 0 auto;
  height: 36px;
  margin: 0;
  width: 36px;
}

.brand-copy {
  display: grid;
  line-height: 1.05;
  min-width: 0;
}

.brand-copy strong {
  color: var(--studio-ink);
  font-size: .98rem;
  font-weight: 780;
  letter-spacing: -.035em;
  overflow-wrap: normal;
  white-space: nowrap;
}

.brand-copy small {
  color: var(--studio-accent-dark);
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .57rem;
  font-weight: 760;
  letter-spacing: .14em;
  margin: .35rem 0 0;
  white-space: nowrap;
}

.navbar-collapse {
  align-items: center;
  min-width: 0;
}

.site-nav {
  gap: .1rem;
  margin-left: auto;
}

.navbar .nav-link {
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: var(--studio-muted) !important;
  font-size: .9rem;
  font-weight: 680;
  margin: 0;
  padding: .68rem .7rem .58rem !important;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus-visible {
  background: transparent;
  border-bottom-color: var(--studio-accent);
  color: var(--studio-ink) !important;
}

.nav-actions {
  align-items: center;
  display: flex;
  flex: 0 0 auto;
  gap: .45rem;
  margin-left: .8rem;
}

.nav-actions form {
  margin: 0;
}

.navbar-toggler {
  align-items: center;
  border: 1px solid var(--studio-line-strong);
  border-radius: var(--studio-radius);
  display: inline-flex;
  justify-content: center;
  padding: .55rem;
}

.btn-quiet {
  background: transparent;
  border-color: transparent;
  color: var(--studio-muted);
}

.btn-quiet:hover,
.btn-quiet:focus-visible {
  background: var(--studio-paper);
  border-color: var(--studio-line);
  color: var(--studio-ink);
}

/* Shared typography and hierarchy */
.page-heading {
  align-items: end;
  border: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  margin: 0 0 clamp(1.5rem, 4vw, 2.6rem);
  padding: 0 0 clamp(1rem, 2vw, 1.4rem);
  position: relative;
}

.page-heading::after {
  background: linear-gradient(90deg, var(--studio-accent) 0 5.5rem, var(--studio-line) 5.5rem 100%);
  bottom: 0;
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  right: 0;
}

.page-heading h1 {
  color: var(--studio-ink);
  font-size: clamp(2rem, 5vw, 3.65rem);
  font-weight: 820;
  letter-spacing: -.065em;
  line-height: 1;
  text-wrap: balance;
}

.page-heading p {
  color: var(--studio-muted);
  font-size: clamp(.96rem, 1.4vw, 1.05rem);
  line-height: 1.75;
  margin-top: .75rem;
  max-width: 64ch;
}

.eyebrow {
  color: var(--studio-accent-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .7rem;
  font-weight: 780;
  letter-spacing: .14em;
}

.section-heading {
  align-items: end;
  border-top: 1px solid var(--studio-line);
  gap: 1rem;
  margin-bottom: 1.15rem;
  padding-top: 1.15rem;
}

.panel > .section-heading:first-child {
  border-top: 0;
  padding-top: 0;
}

.section-heading h2,
.panel h2,
.public-copy h2 {
  color: var(--studio-ink);
  font-size: clamp(1.2rem, 2.6vw, 1.55rem);
  font-weight: 760;
  letter-spacing: -.035em;
  line-height: 1.2;
}

.section-heading p,
.panel > p,
.muted {
  color: var(--studio-muted);
}

/* Shared surfaces */
.panel,
.login-panel,
.summary-card,
.public-copy {
  background: rgba(255, 253, 248, .9);
  border: 1px solid var(--studio-line);
  border-radius: var(--studio-radius);
  box-shadow: none;
}

.panel {
  border-top: 2px solid var(--studio-line-strong);
  margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
  padding: clamp(1.1rem, 3vw, 1.8rem);
}

.panel:has(.table-responsive) {
  overflow: hidden;
  padding-bottom: clamp(.65rem, 2vw, 1rem);
}

.panel:hover {
  border-top-color: var(--studio-accent);
}

.summary-grid {
  gap: clamp(.65rem, 1.6vw, 1rem);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.summary-card {
  border: 0;
  border-left: 3px solid var(--studio-accent);
  border-radius: 0;
  box-shadow: inset 0 0 0 1px var(--studio-line);
  min-width: 0;
  padding: clamp(.9rem, 2vw, 1.25rem);
}

.summary-card span {
  font-size: .8rem;
  font-weight: 650;
  line-height: 1.35;
  min-height: 2.15em;
}

.summary-card strong {
  font-size: clamp(1.7rem, 4vw, 2.65rem);
  font-variant-numeric: tabular-nums;
}

a.summary-card:hover {
  background: var(--studio-paper-strong);
  border-color: var(--studio-accent-dark);
  box-shadow: inset 0 0 0 1px var(--studio-line-strong);
  transform: translateY(-2px);
}

.status-pill {
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 720;
  line-height: 1.25;
  padding: .28rem .58rem;
  white-space: nowrap;
}

.alert {
  border-radius: var(--studio-radius);
  line-height: 1.65;
  overflow-wrap: anywhere;
  padding: .85rem 1rem;
}

/* Buttons and forms */
.btn {
  align-items: center;
  border-radius: var(--studio-radius);
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  min-height: 46px;
  padding: .62rem 1rem;
}

.btn-sm {
  min-height: 44px;
  padding: .5rem .75rem;
}

.btn-primary {
  background: var(--studio-accent);
  border-color: var(--studio-accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--studio-accent-dark);
  border-color: var(--studio-accent-dark);
}

.btn-outline-primary {
  border-color: var(--studio-accent);
  color: var(--studio-accent-dark);
}

.btn-outline-secondary {
  border-color: var(--studio-line-strong);
  color: var(--studio-ink);
}

.form-control,
.form-select {
  background: var(--studio-paper-strong);
  border-color: var(--studio-line-strong);
  border-radius: var(--studio-radius);
  color: var(--studio-ink);
  font-size: 1rem;
  min-height: 46px;
}

.form-control-sm {
  min-height: 42px;
}

textarea.form-control {
  min-height: 7rem;
  resize: vertical;
}

.form-control:focus,
.form-select:focus {
  background: var(--studio-paper-strong);
  border-color: var(--focus);
}

.form-control[readonly] {
  background: #f3eee5;
}

label,
.form-label {
  font-size: .9rem;
  font-weight: 720;
}

.form-stack,
.form-grid {
  gap: 1rem;
}

.form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: .2rem;
}

.settings-form {
  max-width: 640px;
}

.input-group > .form-control {
  min-width: 0;
}

.form-check-input {
  border-color: var(--studio-line-strong);
  min-height: 1.2rem;
  min-width: 1.2rem;
}

.form-check {
  align-items: center;
  display: flex;
  min-height: 44px;
}

.form-check-label {
  align-items: center;
  align-self: stretch;
  display: inline-flex;
  line-height: 1.65;
  margin: 0 0 0 .35rem;
  min-height: 44px;
}

/* Tables */
.table-responsive {
  border-color: var(--studio-line);
  border-radius: 0;
  max-width: 100%;
  overscroll-behavior-x: contain;
  scrollbar-color: var(--studio-line-strong) transparent;
  -webkit-overflow-scrolling: touch;
}

.table {
  font-size: .9rem;
}

.table > :not(caption) > * > * {
  border-bottom-color: var(--studio-line);
  padding: .85rem .75rem;
}

.table thead th {
  background: #eee8dd;
  color: #5d554d;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .68rem;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.table tbody tr:hover {
  background: rgba(173, 79, 51, .045);
}

.table td,
.table th,
.table code {
  overflow-wrap: anywhere;
}

.license-table {
  min-width: 74rem;
}

.license-actions {
  gap: .4rem;
}

/* Home and public pages */
.public-hero {
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  grid-template-columns: minmax(17rem, .8fr) minmax(30rem, 1.2fr);
  margin: clamp(.5rem, 2vw, 1.5rem) 0 clamp(3.5rem, 8vw, 6.5rem);
  min-height: min(68dvh, 650px);
}

.public-hero-copy {
  max-width: 34rem;
  padding-left: 1.25rem;
}

.public-hero-copy::before {
  background: var(--studio-accent);
  width: 3px;
}

.public-hero h1 {
  color: var(--studio-ink);
  font-size: clamp(2.7rem, 5.8vw, 5rem);
  font-weight: 840;
  letter-spacing: -.075em;
  line-height: .98;
}

.public-hero p {
  color: var(--studio-muted);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.75;
}

.public-actions {
  gap: .65rem;
}

.public-actions .btn {
  min-height: 48px;
  padding-inline: 1.15rem;
}

.hero-tags {
  gap: .4rem;
  margin-top: 1rem;
}

.hero-tags span {
  background: transparent;
  border: 0;
  border-left: 2px solid var(--studio-line-strong);
  border-radius: 0;
  color: var(--studio-muted);
  font-size: .76rem;
  padding: .18rem .55rem;
}

.public-hero-image {
  border: 1px solid var(--studio-line-strong);
  border-radius: var(--studio-radius);
  box-shadow: 14px 16px 0 rgba(173, 79, 51, .12), var(--studio-shadow);
}

.public-section {
  margin-block: clamp(2.5rem, 5vw, 4.5rem);
}

.wallpaper-grid {
  gap: clamp(.9rem, 2vw, 1.4rem);
}

.wallpaper-grid-home,
.wallpaper-grid-wide {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.wallpaper-card {
  border-radius: var(--studio-radius);
  box-shadow: none;
}

.wallpaper-card:hover {
  border-color: var(--studio-line-strong);
  box-shadow: var(--studio-shadow);
}

.wallpaper-card-body {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem 1rem;
  justify-content: space-between;
  padding: .8rem .95rem;
}

.wallpaper-card time {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .9rem;
}

.public-copy {
  border: 0;
  border-top: 3px solid var(--studio-accent);
  border-radius: 0;
  box-shadow: var(--studio-shadow);
  font-size: clamp(1rem, 1.25vw, 1.08rem);
  line-height: 1.9;
  max-width: 820px;
  padding: clamp(1.25rem, 4vw, 2.5rem);
}

.public-copy p {
  max-width: 70ch;
}

.public-copy h2 {
  border-top: 1px solid var(--studio-line);
  margin: 2rem 0 .7rem;
  padding-top: 1.15rem;
}

.public-copy > h2:first-child {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.contact-list {
  border-top: 1px solid var(--studio-line);
  gap: .65rem 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
}

/* Authentication and focused task pages */
.login-panel,
.error-state {
  background: var(--studio-paper-strong);
  border: 1px solid var(--studio-line);
  border-radius: var(--studio-radius);
  border-top: 4px solid var(--studio-accent);
  box-shadow: var(--studio-shadow);
  margin: clamp(1rem, 7vh, 4.5rem) auto;
  max-width: 520px;
  padding: clamp(1.25rem, 4vw, 2.25rem);
}

.login-panel h1,
.error-state h1 {
  color: var(--studio-ink);
  font-size: clamp(1.7rem, 5vw, 2.35rem);
  letter-spacing: -.055em;
  line-height: 1.08;
}

.login-logo {
  border: 1px solid var(--studio-line-strong);
  border-radius: var(--studio-radius);
  height: 64px;
  width: 64px;
}

.login-lead {
  color: var(--studio-muted);
  line-height: 1.75;
}

.login-panel .form-stack {
  gap: .4rem;
}

.login-panel .form-stack > label:not(:first-child) {
  margin-top: .65rem;
}

.login-panel .form-stack > .form-check,
.login-panel .form-stack > button {
  margin-top: .8rem;
}

.login-panel > .btn {
  width: 100%;
}

.error-state {
  border-top-color: var(--studio-danger);
  max-width: 720px;
}

/* Dashboard */
.active-terminal-panel {
  border-top-color: var(--studio-accent);
}

.active-terminal-today strong {
  color: var(--studio-accent-dark);
}

.active-terminal-chart-wrap {
  scrollbar-color: var(--studio-line-strong) transparent;
}

.active-terminal-bar {
  background: linear-gradient(180deg, #cc7657 0%, var(--studio-accent) 100%);
  border-radius: .2rem .2rem 0 0;
}

.detail-list {
  grid-template-columns: minmax(7rem, 9rem) minmax(0, 1fr);
  margin: 0;
}

.detail-list dt,
.detail-list dd {
  border-bottom: 1px solid var(--studio-line);
  margin: 0;
  padding-block: .55rem;
}

/* Promoter center */
.promoter-summary .summary-card {
  border-left-color: var(--studio-blue);
  border-top: 0;
}

.promoter-link-grid,
.promoter-share-layout {
  gap: clamp(1.25rem, 4vw, 3rem);
}

.promoter-qr-image,
.promoter-share-preview {
  border-radius: var(--studio-radius);
  box-shadow: none;
}

.promoter-link-share {
  gap: .5rem;
}

.promoter-share-actions .btn {
  min-height: 48px;
}

/* Compact download page: one task, two choices */
.download-experience--compact {
  max-width: 1040px;
  padding: 0 0 clamp(2.5rem, 6vw, 5rem);
}

.download-simple-heading {
  align-items: end;
  border-bottom: 1px solid var(--studio-line-strong);
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(.25rem, 2vw, 1rem) 0 clamp(1.15rem, 3vw, 1.75rem);
}

.download-simple-heading h1 {
  color: var(--studio-ink);
  font-size: clamp(2.35rem, 6vw, 4.8rem);
  font-weight: 840;
  letter-spacing: -.075em;
  line-height: .98;
  margin: 0;
}

.download-simple-heading > div > p:last-child {
  color: var(--studio-muted);
  font-size: clamp(.96rem, 1.4vw, 1.06rem);
  margin: .85rem 0 0;
}

.download-heading-mark {
  color: rgba(173, 79, 51, .18);
  font-size: clamp(3.8rem, 9vw, 7rem);
  font-weight: 850;
  letter-spacing: -.1em;
  line-height: .8;
}

.download-platform-grid {
  gap: clamp(1rem, 2.5vw, 1.5rem);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.download-platform-card {
  background: rgba(255, 253, 248, .92);
  border: 1px solid var(--studio-line);
  border-radius: 0;
  border-top: 4px solid var(--platform-color);
  box-shadow: none;
  padding: clamp(1.1rem, 2.7vw, 1.75rem);
}

.download-platform-card:hover {
  border-color: var(--studio-line-strong);
  box-shadow: var(--studio-shadow);
}

.download-platform-card::after {
  opacity: .7;
}

.download-platform-header {
  grid-template-columns: 48px minmax(0, 1fr) auto;
}

.download-platform-header h2 {
  color: var(--studio-ink);
  font-size: 1.55rem;
  font-weight: 790;
  letter-spacing: -.045em;
  line-height: 1;
  margin: 0;
}

.download-version {
  background: transparent;
  white-space: nowrap;
}

.download-release-meta {
  border-bottom: 1px solid var(--studio-line);
  margin-top: 1.35rem;
}

.download-release-meta > div {
  grid-template-columns: 6rem minmax(0, 1fr);
}

.download-package-name {
  margin: 1rem 0 0;
}

.download-checksum {
  border-block: 0;
  border-bottom: 1px solid var(--studio-line);
  margin: 0;
  padding: .72rem 0;
}

.download-checksum summary {
  min-height: 30px;
  padding-block: .25rem;
}

.download-release-details p {
  color: var(--studio-muted);
  font-size: .78rem;
  line-height: 1.65;
  margin: .55rem 0 .2rem;
  white-space: pre-line;
}

.download-platform-action {
  padding-top: 1.25rem;
}

.download-platform-button {
  min-height: 54px;
}

.download-security-note {
  border-left: 3px solid var(--studio-line-strong);
  color: var(--studio-muted);
  font-size: .82rem;
  line-height: 1.7;
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  padding: .35rem 0 .35rem .85rem;
}

/* Footer */
.footer {
  background: rgba(251, 248, 241, .84);
  border-top: 1px solid var(--studio-line);
  padding-block: 1.4rem;
}

.footer-content {
  gap: 1rem 2rem;
}

.footer-signature {
  display: grid;
  line-height: 1.2;
}

.footer-signature strong {
  color: var(--studio-ink);
  font-size: .86rem;
}

.footer-signature small {
  color: var(--studio-muted);
  font-size: .7rem;
  margin-top: .2rem;
}

.footer-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: .65rem 1.2rem;
}

/* Tablet and collapsed navigation */
@media (max-width: 1199.98px) {
  body.admin-site .navbar-collapse {
    border-top: 1px solid var(--studio-line);
    margin-top: .7rem;
    padding-top: .7rem;
    width: 100%;
  }

  body.admin-site .site-nav {
    display: grid;
    gap: .15rem;
    margin: 0 0 .7rem;
  }

  body.admin-site .nav-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: 0;
  }

  body.admin-site .nav-actions .btn,
  body.admin-site .nav-actions form {
    width: 100%;
  }
}

@media (max-width: 991.98px) {
  body.public-site .navbar-collapse,
  body.promoter-site .navbar-collapse {
    border-top: 1px solid var(--studio-line);
    margin-top: .7rem;
    padding-top: .7rem;
    width: 100%;
  }

  body.public-site .site-nav,
  body.promoter-site .site-nav {
    display: grid;
    gap: .15rem;
    margin: 0 0 .7rem;
  }

  body.public-site .nav-actions,
  body.promoter-site .nav-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0;
  }

  body.public-site .nav-actions-single,
  body.promoter-site .nav-actions-single {
    grid-template-columns: 1fr;
  }

  .nav-actions .btn,
  .nav-actions form {
    width: 100%;
  }

  .public-hero {
    gap: 2rem;
    grid-template-columns: minmax(15rem, .8fr) minmax(24rem, 1.2fr);
  }

  .download-platform-grid {
    grid-template-columns: 1fr;
  }
}

/* Phone-first reflow */
@media (max-width: 767.98px) {
  .container,
  body.admin-site .container,
  body.promoter-site .container {
    --bs-gutter-x: 1.5rem;
  }

  .site-header {
    position: sticky;
  }

  .navbar {
    min-height: 4rem;
    padding-block: .45rem;
  }

  .navbar-brand {
    min-height: 44px;
  }

  .brand-icon {
    height: 32px;
    width: 32px;
  }

  .navbar .nav-link {
    border-bottom: 0;
    border-left: 3px solid transparent;
    min-height: 46px;
    padding: .7rem .75rem !important;
  }

  .navbar .nav-link:hover,
  .navbar .nav-link:focus-visible {
    background: rgba(255, 253, 248, .76);
    border-left-color: var(--studio-accent);
  }

  body.admin-site .nav-actions,
  body.public-site .nav-actions,
  body.promoter-site .nav-actions {
    grid-template-columns: 1fr;
  }

  .main-content {
    padding-block: 1.25rem 3.75rem;
  }

  .page-heading {
    display: block;
    margin-bottom: 1.25rem;
    padding-bottom: .9rem;
  }

  .page-heading h1 {
    font-size: clamp(2rem, 11vw, 3rem);
  }

  .page-heading p {
    font-size: .95rem;
    line-height: 1.65;
    margin-top: .6rem;
  }

  .panel {
    margin-bottom: .9rem;
    padding: 1rem;
  }

  .panel:has(.table-responsive) {
    overflow: visible;
    padding-bottom: 1rem;
  }

  .section-heading {
    align-items: stretch;
    display: grid;
    gap: .55rem;
  }

  .section-heading > .status-pill {
    justify-self: start;
  }

  .summary-grid,
  .promoter-summary {
    gap: .65rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .summary-card {
    min-height: 7.2rem;
    padding: .85rem;
  }

  .summary-card span {
    font-size: .75rem;
  }

  .summary-card strong {
    font-size: 2rem;
  }

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

  .form-actions,
  .form-actions .btn,
  .settings-form,
  .input-group {
    width: 100%;
  }

  .form-actions .btn {
    flex: 1 1 100%;
  }

  .input-group {
    display: grid;
    gap: .5rem;
    grid-template-columns: 1fr;
  }

  .input-group > .form-control,
  .input-group > .btn {
    border-radius: var(--studio-radius) !important;
    width: 100%;
  }

  .public-hero {
    gap: 1.4rem;
    grid-template-columns: 1fr;
    margin: 0 0 3.5rem;
    min-height: 0;
  }

  .public-hero-copy {
    max-width: none;
    padding-left: .9rem;
  }

  .public-hero h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  .public-actions,
  .public-actions .btn {
    width: 100%;
  }

  .public-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .public-hero-image {
    box-shadow: 7px 8px 0 rgba(173, 79, 51, .12);
  }

  .wallpaper-grid-home,
  .wallpaper-grid-wide {
    grid-template-columns: 1fr;
  }

  .wallpaper-card:hover {
    box-shadow: none;
    transform: none;
  }

  .public-copy {
    font-size: 1rem;
    line-height: 1.8;
    padding: 1.15rem;
  }

  .contact-list,
  .detail-list {
    grid-template-columns: 1fr;
  }

  .detail-list dt,
  .contact-list dt {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .detail-list dd,
  .contact-list dd {
    padding-top: .1rem;
  }

  .login-panel,
  .error-state,
  .login-panel.promoter-auth-panel {
    margin: .25rem auto 2rem;
    padding: 1.15rem;
  }

  .login-logo {
    height: 56px;
    margin-bottom: 1rem;
    width: 56px;
  }

  .join-download-actions,
  .promoter-auth-panel .d-flex {
    display: grid !important;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .join-download-actions .btn,
  .promoter-auth-panel .d-flex .btn {
    width: 100%;
  }

  .active-terminal-header {
    gap: .65rem;
  }

  .active-terminal-chart-wrap {
    margin-inline: -.2rem;
    overflow: visible;
  }

  .active-terminal-chart {
    gap: .35rem;
    grid-template-columns: 1.8rem minmax(0, 1fr);
    height: 220px;
    min-width: 0;
  }

  .active-terminal-bars {
    gap: .12rem;
  }

  .active-terminal-bar-item {
    min-width: 0;
  }

  .active-terminal-bar-item:nth-child(even) time {
    visibility: hidden;
  }

  .active-terminal-bar-item time,
  .active-terminal-value {
    font-size: .58rem;
  }

  .promoter-link-grid,
  .promoter-share-layout {
    grid-template-columns: 1fr;
  }

  .promoter-qr-card {
    justify-self: stretch;
  }

  .promoter-link-share,
  .promoter-share-actions,
  .promoter-share-actions .btn,
  .promoter-link-copy .btn,
  .promoter-qr-card .btn {
    width: 100%;
  }

  .promoter-link-share {
    grid-template-columns: 1fr;
  }

  /* Any data-heavy table becomes labelled records on a phone. */
  .responsive-table-wrap,
  .promotion-table-wrap {
    border: 0;
    margin-inline: 0;
    overflow: visible;
  }

  .responsive-data-table,
  .promotion-table {
    border-collapse: separate;
    border-spacing: 0;
    display: block;
    min-width: 0 !important;
    width: 100%;
  }

  .responsive-data-table thead,
  .promotion-table thead {
    display: none;
  }

  .responsive-data-table tbody,
  .promotion-table tbody {
    display: grid;
    gap: .75rem;
    width: 100%;
  }

  .responsive-data-table tbody tr,
  .promotion-table tbody tr {
    background: var(--studio-paper-strong);
    border: 1px solid var(--studio-line);
    border-left: 3px solid var(--studio-line-strong);
    border-radius: var(--studio-radius);
    box-shadow: none;
    display: block;
    overflow: hidden;
    padding: .3rem .75rem;
    width: 100%;
  }

  .responsive-data-table tbody td,
  .promotion-table tbody td {
    align-items: start;
    border: 0;
    display: grid;
    gap: .65rem;
    grid-template-columns: minmax(5.8rem, 36%) minmax(0, 1fr);
    min-width: 0 !important;
    overflow: visible;
    overflow-wrap: anywhere;
    padding: .58rem 0;
    white-space: normal !important;
  }

  .responsive-data-table tbody td + td,
  .promotion-table tbody td + td {
    border-top: 1px solid rgba(214, 207, 194, .72);
  }

  .responsive-data-table tbody td::before,
  .promotion-table tbody td::before {
    color: var(--studio-muted);
    content: attr(data-label);
    font-size: .72rem;
    font-weight: 740;
    letter-spacing: .02em;
    line-height: 1.55;
  }

  .responsive-data-table tbody td[data-label="操作"],
  .responsive-data-table tbody td[data-label="替换"],
  .promotion-table tbody td[data-label="操作"] {
    display: block;
    padding-top: .75rem;
  }

  .responsive-data-table tbody td[data-label="操作"]::before,
  .responsive-data-table tbody td[data-label="替换"]::before,
  .promotion-table tbody td[data-label="操作"]::before {
    display: block;
    margin-bottom: .5rem;
  }

  .responsive-data-table td form,
  .responsive-data-table td form.d-flex,
  .promotion-table td form,
  .promotion-table td form.d-flex,
  .responsive-data-table td .d-flex,
  .promotion-table td .d-flex {
    display: grid !important;
    gap: .5rem !important;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .responsive-data-table td .btn,
  .responsive-data-table td .form-control,
  .promotion-table td .btn,
  .promotion-table td .form-control {
    min-height: 44px;
    width: 100%;
  }

  .responsive-data-table code,
  .promotion-table code {
    font-size: .7rem;
  }

  .responsive-data-note {
    background: #f2ece2 !important;
    border-left-color: var(--studio-accent) !important;
    margin-top: -.55rem;
  }

  .responsive-data-note td[aria-hidden="true"] {
    display: none;
  }

  .responsive-data-note td[data-label="更新说明"] {
    border: 0 !important;
  }

  .download-experience--compact {
    padding-top: 0;
  }

  .download-simple-heading {
    align-items: start;
    margin-bottom: 1.15rem;
    padding-top: 0;
  }

  .download-simple-heading h1 {
    font-size: clamp(2.35rem, 13vw, 3.5rem);
  }

  .download-heading-mark {
    display: none;
  }

  .download-platform-card {
    padding: 1.1rem;
  }

  .download-release-meta > div {
    gap: .4rem;
    grid-template-columns: minmax(5.4rem, 38%) minmax(0, 1fr);
  }

  .download-release-meta dd {
    text-align: right;
  }

  .download-platform-button {
    min-height: 54px;
  }

  .download-security-note {
    font-size: .78rem;
  }

  .footer-content,
  .footer-links {
    align-items: flex-start;
    display: grid;
    justify-content: start;
  }

  .footer-links {
    gap: .45rem;
  }
}

@media (max-width: 379.98px) {
  .brand-copy strong {
    font-size: .9rem;
  }

  .brand-copy small {
    display: none;
  }

  .navbar > .container {
    gap: .5rem;
  }

  .summary-grid,
  .promoter-summary {
    grid-template-columns: 1fr;
  }

  .summary-card {
    min-height: 0;
  }

  .download-platform-header {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .download-platform-monogram {
    height: 44px;
    width: 44px;
  }

  .download-version {
    grid-column: 2;
    justify-self: start;
  }

  .download-release-meta > div {
    grid-template-columns: 1fr;
  }

  .download-release-meta dd {
    text-align: left;
  }

  .responsive-data-table tbody td,
  .promotion-table tbody td {
    gap: .35rem;
    grid-template-columns: 1fr;
  }
}

@media (hover: none), (pointer: coarse) {
  .btn:hover,
  .summary-card:hover,
  .wallpaper-card:hover,
  .download-platform-card:hover,
  .download-platform-button:hover {
    box-shadow: none;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

@media print {
  .site-header,
  .footer,
  .public-actions,
  .form-actions,
  button {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .main-content {
    padding: 0;
  }
}