body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei UI", sans-serif;
}

.page-shell {
  width: min(1520px, calc(100vw - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 32px 0;
}

.note-column {
  display: grid;
  gap: 16px;
}

.screen-column {
  display: grid;
  gap: 12px;
  justify-items: center;
}

.screen-heading {
  width: 100%;
  max-width: 440px;
}

.screen-heading h2 {
  margin: 4px 0 0;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 700;
}

.title-card {
  border: 1px solid #181818;
  border-radius: 12px;
  background: #ffffff;
  padding: 16px;
}

.eyebrow,
.state-label {
  margin: 0;
  color: #6a6a6a;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.title {
  margin: 8px 0 0;
  font-size: 28px;
  line-height: 1.05;
  font-weight: 700;
}

.intro {
  margin: 12px 0 0;
  color: #5f5f5f;
  font-size: 13px;
  line-height: 1.6;
}

.annotation-card {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  border: 1px dashed #181818;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.88);
  padding: 14px;
}

.annotation-index {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid #181818;
  border-radius: 999px;
  background: #181818;
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
}

.annotation-label {
  margin: 0 0 8px;
  color: #6a6a6a;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.annotation-title {
  margin: 0;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
}

.annotation-copy {
  margin: 8px 0 0;
  color: #5f5f5f;
  font-size: 13px;
  line-height: 1.6;
}

.annotation-list {
  margin: 8px 0 0;
  padding-left: 18px;
  color: #5f5f5f;
  font-size: 13px;
  line-height: 1.7;
}

.phone {
  width: fit-content;
  margin: 0 auto;
  padding: 12px;
  border-radius: 64px;
  background: linear-gradient(180deg, #1a1a1a, #090909);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 26px 56px rgba(0,0,0,.18);
}

.shell {
  position: relative;
  padding: 5px;
  border-radius: 56px;
  background: linear-gradient(180deg, #333333, #121212);
}

.key {
  position: absolute;
  width: 4px;
  border-radius: 999px;
  background: linear-gradient(180deg, #0f0f0f, #3a3a3a);
}

.key.left-1 { left: -4px; top: 146px; height: 38px; }
.key.left-2 { left: -4px; top: 198px; height: 92px; }
.key.right { right: -4px; top: 206px; height: 122px; }

.screen {
  position: relative;
  width: 440px;
  height: 956px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,.22);
  border-radius: 48px;
  background: linear-gradient(180deg, rgba(255,255,255,.94), rgba(246,244,239,.98));
}

.screen::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .65;
  background: repeating-linear-gradient(180deg, transparent 0 31px, rgba(0,0,0,.03) 31px 32px);
}

.island {
  position: absolute;
  top: 11px;
  left: 50%;
  z-index: 2;
  width: 126px;
  height: 36px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #111111;
}

.status {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding: 18px 28px 6px;
  font-size: 14px;
  font-weight: 700;
  color: #111111;
}

.status-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.battery {
  width: 24px;
  height: 12px;
  padding: 1px;
  border: 1px solid #111111;
  border-radius: 4px;
}

.battery span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 2px;
  background: #111111;
}

.screen-scroll {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  padding: 48px 24px 36px;
}

.top-row {
  display: flex;
  justify-content: flex-end;
}

.skip-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid #181818;
  border-radius: 999px;
  background: rgba(255,255,255,.94);
  color: #111111;
  font-size: 12px;
  font-weight: 700;
}

.skip-pill span {
  font-size: 14px;
  line-height: 1;
}

.media-card {
  margin-top: 18px;
  border: 1px dashed #a7a7a7;
  border-radius: 34px;
  background: rgba(250,250,250,.96);
  padding: 16px;
}

.media-label,
.brand-label {
  margin: 0 0 10px;
  color: #7a7a7a;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.media-box {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 5;
  border: 1px solid #cfcfcf;
  border-radius: 28px;
  background: #efefef;
  color: #6b6b6b;
}

.media-box span {
  margin-top: 8px;
  font-size: 12px;
}

.brand-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  min-height: 114px;
  margin-top: 22px;
  border: 1px solid #181818;
  border-radius: 24px;
  background: rgba(255,255,255,.96);
  padding: 14px;
  align-items: center;
}

.brand-icon {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border: 1px solid #181818;
  border-radius: 20px;
  background: #f0f0f0;
}

.brand-card strong {
  display: block;
  font-size: 18px;
  line-height: 1.2;
}

.brand-copy {
  margin: 8px 0 0;
  color: #5f5f5f;
  font-size: 13px;
  line-height: 1.55;
}

.home-indicator {
  position: absolute;
  bottom: 8px;
  left: 50%;
  width: 128px;
  height: 5px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #111111;
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}

.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.login-wireframe {
  display: grid;
  gap: 18px;
  padding-top: 78px;
}

.hero-block,
.auth-panel,
.alt-auth-panel,
.agreement-panel {
  border: 1px solid #181818;
  border-radius: 24px;
  background: rgba(255,255,255,.95);
  padding: 18px;
}

.hero-block {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 10px;
  padding-top: 28px;
  padding-bottom: 28px;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 96px;
  height: 96px;
  border: 1px solid #181818;
  border-radius: 28px;
  background: #efefef;
}

.hero-tag,
.panel-label {
  margin: 0;
  color: #6a6a6a;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  font-size: 24px;
  line-height: 1.25;
}

.hero-copy,
.agreement-tip {
  margin: 0;
  color: #5f5f5f;
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}

.phone-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px dashed #a7a7a7;
  border-radius: 16px;
  background: #f3f3f3;
}

.phone-number {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.wire-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border: 1px solid #181818;
  border-radius: 999px;
  background: #ffffff;
  font-size: 12px;
  font-weight: 600;
}

.primary-wire-btn,
.secondary-wire-btn {
  width: 100%;
  min-height: 48px;
  border: 1px solid #181818;
  border-radius: 16px;
  font-size: 15px;
  font-weight: 700;
}

.primary-wire-btn {
  background: #181818;
  color: #ffffff;
}

.secondary-wire-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #ffffff;
  color: #181818;
}

.alt-auth-panel {
  display: grid;
  gap: 12px;
}

.dot-icon {
  width: 16px;
  height: 16px;
  border: 1px solid #181818;
  border-radius: 999px;
  background: #ececec;
}

.agreement-panel {
  display: grid;
  gap: 10px;
}

.check-row {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
  color: #303030;
  font-size: 13px;
  line-height: 1.6;
}

.checkbox-box {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  border: 1px solid #181818;
  border-radius: 6px;
  background: #ffffff;
}

.form-wireframe {
  display: grid;
  gap: 16px;
  padding-top: 88px;
}

.page-intro-card,
.field-card {
  border: 1px solid #181818;
  border-radius: 24px;
  background: rgba(255,255,255,.95);
  padding: 18px;
}

.section-title {
  margin: 8px 0 0;
  font-size: 22px;
  line-height: 1.35;
}

.section-copy,
.helper-note {
  margin: 8px 0 0;
  color: #5f5f5f;
  font-size: 13px;
  line-height: 1.6;
}

.field-label {
  display: block;
  margin-bottom: 10px;
  color: #6a6a6a;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.input-shell,
.code-input-shell {
  display: flex;
  align-items: center;
  min-height: 52px;
  border: 1px solid #181818;
  border-radius: 16px;
  background: #ffffff;
}

.input-shell {
  gap: 12px;
  padding: 0 14px;
}

.input-prefix {
  color: #5f5f5f;
  font-size: 14px;
  font-weight: 600;
}

.input-value {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.code-row {
  display: grid;
  grid-template-columns: 1fr 116px;
  gap: 12px;
}

.code-input-shell {
  justify-content: space-evenly;
  padding: 0 8px;
}

.code-digit {
  display: grid;
  place-items: center;
  width: 46px;
  height: 36px;
  border-bottom: 2px solid #181818;
  font-size: 18px;
  font-weight: 700;
}

.mini-wire-btn {
  min-height: 52px;
  border: 1px solid #181818;
  border-radius: 16px;
  background: #f3f3f3;
  color: #181818;
  font-size: 13px;
  font-weight: 700;
}

.avatar-picker {
  display: grid;
  gap: 14px;
}

.avatar-placeholder {
  display: grid;
  place-items: center;
  width: 96px;
  height: 96px;
  border: 1px solid #181818;
  border-radius: 999px;
  background: #efefef;
}

.segmented-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.segment-option {
  min-height: 48px;
  border: 1px solid #181818;
  border-radius: 16px;
  background: #ffffff;
  color: #181818;
  font-size: 15px;
  font-weight: 700;
}

.segment-option.is-active {
  background: #181818;
  color: #ffffff;
}

.warning-card {
  margin-top: 12px;
  border: 1px dashed #181818;
  border-radius: 16px;
  background: #f7f7f7;
  padding: 12px 14px;
  color: #4a4a4a;
  font-size: 13px;
  line-height: 1.6;
}

.interest-wireframe {
  display: grid;
  gap: 16px;
  padding-top: 88px;
  padding-bottom: 88px;
}

.search-shell {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  border: 1px solid #181818;
  border-radius: 999px;
  background: rgba(255,255,255,.95);
  padding: 0 16px;
}

.search-icon {
  width: 16px;
  height: 16px;
  border: 1.5px solid #181818;
  border-radius: 999px;
  position: relative;
}

.search-icon::after {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -4px;
  width: 8px;
  height: 1.5px;
  transform: rotate(45deg);
  background: #181818;
}

.search-text {
  color: #7a7a7a;
  font-size: 14px;
}

.taxonomy-card {
  display: grid;
  grid-template-columns: 108px 1fr;
  border: 1px solid #181818;
  border-radius: 24px;
  background: rgba(255,255,255,.95);
  overflow: hidden;
}

.category-rail {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-right: 1px dashed #b0b0b0;
  background: #f2f2f2;
}

.category-item {
  min-height: 42px;
  border: 1px solid #181818;
  border-radius: 14px;
  background: #ffffff;
  color: #181818;
  font-size: 14px;
  font-weight: 700;
}

.category-item.is-active {
  background: #181818;
  color: #ffffff;
}

.tag-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.tag-pill {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid #181818;
  border-radius: 999px;
  background: #ffffff;
  color: #181818;
  font-size: 13px;
  font-weight: 700;
}

.tag-pill.is-active {
  background: #181818;
  color: #ffffff;
}

.ghost-inline-btn {
  justify-self: start;
  min-height: 34px;
  padding: 0 12px;
  border: 1px dashed #181818;
  border-radius: 999px;
  background: #f5f5f5;
  color: #181818;
  font-size: 12px;
  font-weight: 700;
}

.bottom-action-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 24px;
  z-index: 2;
  padding: 0 24px 16px;
  background: linear-gradient(180deg, rgba(246,244,239,0), rgba(246,244,239,.92) 28%, rgba(246,244,239,1) 100%);
}

.community-wireframe {
  display: grid;
  gap: 14px;
  padding-top: 72px;
  padding-bottom: 82px;
}

.community-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-section-title {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
}

.icon-square {
  width: 38px;
  height: 38px;
  border: 1px solid #181818;
  border-radius: 12px;
  background: #ffffff;
}

.tab-shell {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 8px;
  border: 1px solid #181818;
  border-radius: 20px;
  background: rgba(255,255,255,.95);
}

.tab-pill {
  min-height: 40px;
  border: 1px solid #181818;
  border-radius: 14px;
  background: #ffffff;
  color: #181818;
  font-size: 14px;
  font-weight: 700;
}

.tab-pill.is-active {
  background: #181818;
  color: #ffffff;
}

.circle-shortcuts {
  display: flex;
  gap: 10px;
  overflow: hidden;
}

.circle-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid #181818;
  border-radius: 999px;
  background: #ffffff;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.circle-avatar,
.avatar-sm {
  display: inline-block;
  border: 1px solid #181818;
  border-radius: 999px;
  background: #ececec;
}

.circle-avatar {
  width: 20px;
  height: 20px;
}

.avatar-sm {
  width: 40px;
  height: 40px;
}

.post-card {
  display: grid;
  gap: 12px;
  border: 1px solid #181818;
  border-radius: 24px;
  background: rgba(255,255,255,.96);
  padding: 16px;
}

.post-head,
.user-row,
.post-actions,
.bottom-nav {
  display: flex;
  align-items: center;
}

.post-head,
.post-actions,
.bottom-nav {
  justify-content: space-between;
}

.user-row {
  gap: 10px;
}

.user-row strong {
  display: block;
  font-size: 14px;
}

.user-row p {
  margin: 4px 0 0;
  color: #6a6a6a;
  font-size: 12px;
}

.tiny-outline-btn {
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid #181818;
  border-radius: 999px;
  background: #ffffff;
  font-size: 12px;
  font-weight: 700;
}

.post-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
}

.post-copy {
  margin: 0;
  color: #5f5f5f;
  font-size: 13px;
  line-height: 1.7;
}

.xbox-media {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  border: 1px dashed #181818;
  border-radius: 20px;
  background:
    linear-gradient(45deg, transparent calc(50% - 1px), #8f8f8f calc(50% - 1px), #8f8f8f calc(50% + 1px), transparent calc(50% + 1px)),
    linear-gradient(-45deg, transparent calc(50% - 1px), #8f8f8f calc(50% - 1px), #8f8f8f calc(50% + 1px), transparent calc(50% + 1px)),
    #efefef;
  color: #666666;
  font-size: 12px;
}

.post-actions {
  color: #6a6a6a;
  font-size: 12px;
  gap: 12px;
}

.bottom-nav {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 22px;
  z-index: 2;
  padding: 14px 24px 22px;
  border-top: 1px solid rgba(24,24,24,.14);
  background: rgba(246,244,239,.94);
}

.nav-item {
  color: #777777;
  font-size: 12px;
  font-weight: 600;
}

.nav-item.is-active {
  color: #181818;
  font-weight: 800;
}

.pinned-card {
  background: #f6f6f6;
}

.pin-chip,
.list-caption {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid #181818;
  border-radius: 999px;
  background: #ffffff;
  font-size: 11px;
  font-weight: 700;
}

.rank-block {
  display: grid;
  gap: 12px;
  border: 1px solid #181818;
  border-radius: 24px;
  background: rgba(255,255,255,.96);
  padding: 16px;
}

.rank-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.rank-header h4 {
  margin: 0;
  font-size: 17px;
  line-height: 1.3;
}

.rank-header span {
  color: #6a6a6a;
  font-size: 11px;
  font-weight: 700;
}

.rank-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.6;
}

.hot-comment-box {
  border: 1px dashed #181818;
  border-radius: 16px;
  background: #f5f5f5;
  padding: 12px 14px;
}

.hot-comment-box strong {
  display: block;
  font-size: 13px;
}

.hot-comment-box p {
  margin: 8px 0 0;
  color: #5f5f5f;
  font-size: 13px;
  line-height: 1.6;
}

.publish-wireframe {
  display: grid;
  gap: 14px;
  padding-top: 72px;
  padding-bottom: 86px;
}

.publish-topbar,
.setting-row,
.tool-dock {
  display: flex;
  align-items: center;
}

.publish-topbar,
.setting-row {
  justify-content: space-between;
}

.publish-topbar {
  min-height: 44px;
}

.publish-topbar strong {
  font-size: 18px;
}

.text-btn {
  border: 0;
  background: transparent;
  color: #4d4d4d;
  font-size: 14px;
  font-weight: 700;
}

.tiny-solid-btn {
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid #181818;
  border-radius: 999px;
  background: #181818;
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
}

.editor-card {
  min-height: 220px;
  border: 1px solid #181818;
  border-radius: 24px;
  background: rgba(255,255,255,.96);
  padding: 18px;
}

.editor-placeholder {
  margin: 0;
  color: #8a8a8a;
  font-size: 15px;
  line-height: 1.7;
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.upload-tile {
  aspect-ratio: 1 / 1;
  border: 1px dashed #181818;
  border-radius: 18px;
  background: #efefef;
}

.add-tile {
  display: grid;
  place-items: center;
  font-size: 28px;
  font-weight: 300;
}

.setting-row {
  min-height: 44px;
  font-size: 14px;
  font-weight: 700;
}

.setting-row + .setting-row {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed #c0c0c0;
}

.tool-dock {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 22px;
  z-index: 2;
  justify-content: space-around;
  min-height: 58px;
  padding: 0 16px 16px;
  border-top: 1px solid rgba(24,24,24,.14);
  background: rgba(246,244,239,.94);
}

.dock-item {
  color: #6a6a6a;
  font-size: 12px;
  font-weight: 700;
}

@media (min-width: 1024px) {
  .page-shell {
    grid-template-columns: 340px 1fr;
  }

  .screen-column {
    justify-items: start;
  }
}
