/* ============================================================
   EarthOS · Components
   ============================================================ */

/* ---------- 眉标 / 徽标 / 标签 ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--c-gold-deep);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--c-gold);
}

.eyebrow--plain::before {
  display: none;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border: 1px solid var(--c-line-2);
  border-radius: var(--r-full);
  font-size: 12px;
  line-height: 1.4;
  color: var(--c-ink-2);
  background: color-mix(in srgb, var(--c-paper-2) 70%, transparent);
}

.pill--gold {
  border-color: color-mix(in srgb, var(--c-gold) 55%, transparent);
  background: var(--c-gold-wash);
  color: var(--c-gold-deep);
}

.pill--live {
  border-color: color-mix(in srgb, var(--c-success) 45%, transparent);
  background: var(--c-success-soft);
  color: var(--c-success);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.pill--live .pill-dot {
  animation: pulse 2.4s var(--ease-in-out) infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.82);
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--r-full);
  font-size: 11.5px;
  font-weight: 500;
  line-height: 1.5;
  white-space: nowrap;
}

.badge--active {
  background: var(--c-success-soft);
  color: var(--c-success);
}

.badge--waitlist {
  background: var(--c-warn-soft);
  color: var(--c-warn);
}

.badge--suspended {
  background: var(--c-danger-soft);
  color: var(--c-danger);
}

.badge--neutral {
  background: var(--c-sand);
  color: var(--c-ink-2);
}

/* ---------- 按钮 ---------- */

.btn {
  --btn-bg: var(--c-ink);
  --btn-fg: var(--c-paper);
  --btn-bd: var(--c-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border: 1px solid var(--btn-bd);
  border-radius: var(--r-full);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--dur-1) var(--ease-out),
    background-color var(--dur-2) var(--ease-out),
    border-color var(--dur-2) var(--ease-out), color var(--dur-2) var(--ease-out),
    box-shadow var(--dur-2) var(--ease-out);
}

.btn:hover {
  color: var(--btn-fg);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

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

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn--gold {
  --btn-bg: var(--c-gold);
  --btn-fg: #211a10;
  --btn-bd: var(--c-gold);
}

.btn--gold:hover {
  --btn-bg: color-mix(in srgb, var(--c-gold) 88%, var(--c-ink));
}

.btn--outline {
  --btn-bg: transparent;
  --btn-fg: var(--c-ink);
  --btn-bd: var(--c-line-3);
}

.btn--outline:hover {
  --btn-bg: var(--c-paper-2);
  --btn-bd: var(--c-ink);
  color: var(--c-ink);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--c-ink-2);
  --btn-bd: transparent;
  padding-inline: 10px;
}

.btn--ghost:hover {
  --btn-fg: var(--c-ink);
  box-shadow: none;
}

.btn--sm {
  padding: 9px 18px;
  font-size: 13.5px;
}

.btn--lg {
  padding: 16px 30px;
  font-size: 16px;
}

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

.btn .spinner {
  width: 15px;
  height: 15px;
  border: 2px solid color-mix(in srgb, currentColor 30%, transparent);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--c-ink);
  text-decoration: none;
}

.link-arrow svg {
  transition: transform var(--dur-2) var(--ease-out);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

.text-link {
  font-size: var(--fs-sm);
  color: var(--c-gold-deep);
}

/* ---------- 卡片 ---------- */

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: clamp(22px, 2.6vw, 34px);
  background: var(--c-paper-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur-2) var(--ease-out),
    box-shadow var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out);
}

.card--hover:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
  border-color: var(--c-line-2);
}

.card--flat {
  box-shadow: none;
  background: transparent;
}

.card--sand {
  background: var(--c-sand);
  border-color: transparent;
  box-shadow: none;
}

.card--ink {
  background: var(--c-ink);
  color: var(--c-paper);
  border-color: var(--c-ink);
}

.card--ink h3,
.card--ink h4 {
  color: var(--c-paper);
}

.card--ink p {
  color: color-mix(in srgb, var(--c-paper) 75%, transparent);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: var(--sp-2);
  border: 1px solid var(--c-line-2);
  border-radius: var(--r-md);
  color: var(--c-gold-deep);
  background: color-mix(in srgb, var(--c-paper) 60%, transparent);
}

.card-title {
  font-size: var(--fs-h4);
  font-weight: 600;
  line-height: 1.35;
}

.card-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-ink-3);
}

.card p {
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 首页 Hero ---------- */

.hero {
  position: relative;
  padding-block: clamp(48px, 7vw, 104px) clamp(64px, 9vw, 120px);
  overflow: clip;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 52% at 78% 30%, rgba(181, 138, 77, 0.13), transparent 70%),
    radial-gradient(48% 42% at 6% 88%, rgba(74, 100, 120, 0.07), transparent 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}

.hero-copy h1 {
  font-size: var(--fs-display);
  line-height: 1.06;
  letter-spacing: 0.005em;
  margin-block: var(--sp-4) var(--sp-6);
}

.hero-title-en {
  display: block;
  margin-top: var(--sp-4);
  font-family: var(--font-mono);
  font-size: clamp(11px, 1vw, 13px);
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--c-ink-3);
}

.hero-lead {
  max-width: 46ch;
  font-size: var(--fs-lead);
  line-height: 1.8;
  color: var(--c-ink-2);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-6);
  margin-top: var(--sp-7);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  color: var(--c-ink-3);
}

.hero-meta strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--c-ink);
}

/* 地球视觉 */
.earth-visual {
  position: relative;
  justify-self: center;
  width: min(100%, 540px);
  aspect-ratio: 1;
}

.earth-disc {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: var(--shadow-3);
  animation: earth-float 14s var(--ease-in-out) infinite;
}

.earth-disc img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
}

.earth-disc::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: inset -30px -20px 60px rgba(30, 22, 14, 0.32),
    inset 8px 6px 24px rgba(255, 245, 225, 0.22);
}

.earth-ring {
  position: absolute;
  inset: -14px;
  border: 1px solid color-mix(in srgb, var(--c-gold) 42%, transparent);
  border-radius: 50%;
  pointer-events: none;
}

.earth-ring::after {
  content: "";
  position: absolute;
  inset: 26px;
  border: 1px dashed color-mix(in srgb, var(--c-gold) 30%, transparent);
  border-radius: 50%;
}

.earth-tag {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--c-paper-3);
  border: 1px solid var(--c-line);
  border-radius: var(--r-full);
  box-shadow: var(--shadow-1);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--c-ink-2);
  white-space: nowrap;
}

.earth-tag--1 {
  top: 8%;
  left: -4%;
}

.earth-tag--2 {
  bottom: 13%;
  right: -6%;
}

.earth-tag-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-gold);
}

@keyframes earth-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .earth-disc {
    animation: none;
  }
}

/* ---------- 数据条 ---------- */

.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.stat {
  padding: clamp(24px, 3.4vw, 44px) clamp(18px, 3vw, 40px);
  border-left: 1px solid var(--c-line);
}

.stat:first-child {
  border-left: 0;
  padding-left: 0;
}

.stat-value {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-serif);
  font-size: clamp(34px, 4.4vw, 58px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}

.stat-value small {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--c-ink-3);
}

.stat-label {
  margin-top: var(--sp-3);
  font-size: 13.5px;
  color: var(--c-ink-2);
}

.stat-sub {
  margin-top: 4px;
  font-size: 12px;
  color: var(--c-ink-3);
}

/* ---------- 倒计时 ---------- */

.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  max-width: 460px;
}

.countdown-unit {
  padding: 14px 8px 11px;
  text-align: center;
  background: var(--c-paper-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
}

.countdown-num {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 600;
  line-height: 1;
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}

.countdown-label {
  display: block;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--c-ink-3);
  text-transform: uppercase;
}

.countdown--inline .countdown-num {
  font-size: clamp(20px, 2.2vw, 28px);
}

.countdown-note {
  margin-top: var(--sp-3);
  font-size: 12.5px;
  color: var(--c-ink-3);
}

.countdown-note strong {
  color: var(--c-ink-2);
}

/* 名额进度 */
.seat-meter {
  margin-top: var(--sp-5);
}

.seat-meter-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: 9px;
  font-size: 13px;
  color: var(--c-ink-2);
}

.seat-meter-head strong {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
}

.meter {
  position: relative;
  height: 8px;
  border-radius: var(--r-full);
  background: color-mix(in srgb, var(--c-sand-2) 70%, transparent);
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--c-gold-deep), var(--c-gold));
  transition: width 900ms var(--ease-out);
}

.meter-fill--soft {
  background: linear-gradient(90deg, var(--c-earth), var(--c-sea, #7e93a3));
}

.seat-meter-foot {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--c-ink-3);
}

/* ---------- 影像框 ---------- */

.figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--c-sand);
  box-shadow: var(--shadow-2);
}

.figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 10;
  transition: transform 1.2s var(--ease-out);
}

.figure--tall img {
  aspect-ratio: 4 / 5;
}

.figure--wide img {
  aspect-ratio: 21 / 9;
}

.figure:hover img {
  transform: scale(1.02);
}

.figure figcaption {
  position: absolute;
  left: var(--sp-4);
  bottom: var(--sp-4);
  right: var(--sp-4);
  padding: 9px 14px;
  border-radius: var(--r-full);
  background: color-mix(in srgb, var(--c-paper) 88%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--c-ink-2);
  width: fit-content;
}

.figure--map {
  background: var(--c-paper-2);
}

.figure--map img {
  aspect-ratio: 2 / 1;
  object-fit: contain;
}

/* ---------- 三支柱 ---------- */

.pillar {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--c-line-2);
}

.pillar-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-gold-deep);
}

.pillar h3 {
  font-family: var(--font-serif);
}

.pillar p {
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- LOD 分层示意 ---------- */

.lod {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 3vw, 34px);
  background: var(--c-paper-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
}

.lod-layer {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) auto;
  gap: var(--sp-4);
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-paper);
  transition: transform var(--dur-2) var(--ease-out),
    border-color var(--dur-2) var(--ease-out), background-color var(--dur-2) var(--ease-out);
}

.lod-layer:hover {
  transform: translateX(4px);
  border-color: var(--c-gold);
  background: var(--c-paper-3);
}

.lod-layer--full {
  background: linear-gradient(180deg, var(--c-paper-3), var(--c-paper));
  border-color: color-mix(in srgb, var(--c-gold) 45%, transparent);
}

.lod-name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
}

.lod-layer--full .lod-name {
  color: var(--c-gold-deep);
}

.lod-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-ink-3);
}

.lod-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--c-ink-3);
  white-space: nowrap;
}

/* ---------- 引文 / 大陈述 ---------- */

.statement {
  padding-block: clamp(56px, 8vw, 120px);
  text-align: center;
}

.statement p {
  max-width: 26ch;
  margin-inline: auto;
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.6vw, 46px);
  line-height: 1.45;
  color: var(--c-ink);
  text-wrap: balance;
}

.statement cite {
  display: block;
  margin-top: var(--sp-5);
  font-family: var(--font-mono);
  font-size: 11px;
  font-style: normal;
  letter-spacing: 0.16em;
  color: var(--c-ink-3);
  text-transform: uppercase;
}

/* ---------- 特性列表 ---------- */

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: var(--sp-3);
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
  margin: 0;
  color: var(--c-ink-2);
  font-size: 14.5px;
  line-height: 1.7;
}

.feature-list li:last-child {
  border-bottom: 0;
}

.feature-list svg {
  margin-top: 3px;
  color: var(--c-gold-deep);
}

/* ---------- 步骤 ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
  counter-reset: step;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  position: relative;
  margin: 0;
  padding: var(--sp-5) 0 0;
  border-top: 1px solid var(--c-line-2);
  counter-increment: step;
}

.steps li::before {
  content: "0" counter(step);
  display: block;
  margin-bottom: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-gold-deep);
}

.steps h3 {
  margin-bottom: var(--sp-2);
  font-size: 18px;
  font-family: var(--font-sans);
}

.steps p {
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 时间线（changelog） ---------- */

.timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 var(--sp-6);
  list-style: none;
  border-left: 1px solid var(--c-line-2);
}

.timeline > li {
  position: relative;
  margin: 0 0 clamp(32px, 4vw, 52px);
}

.timeline > li:last-child {
  margin-bottom: 0;
}

.timeline > li::before {
  content: "";
  position: absolute;
  top: 7px;
  left: calc(-1 * var(--sp-6) - 4.5px);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-paper);
  border: 1.5px solid var(--c-gold);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-ink-3);
  text-transform: uppercase;
}

.timeline h3 {
  margin: 6px 0 var(--sp-3);
  font-size: 19px;
}

.timeline ul {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 表格 ---------- */

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-paper-2);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  white-space: nowrap;
}

.data-table th,
.data-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--c-line);
}

.data-table th {
  position: sticky;
  top: 0;
  background: var(--c-sand);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-ink-3);
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tbody tr:hover {
  background: color-mix(in srgb, var(--c-gold) 6%, transparent);
}

.data-table .num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}

.data-table .empty {
  padding: var(--sp-7);
  text-align: center;
  color: var(--c-ink-3);
  white-space: normal;
}

/* ---------- 表单 ---------- */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
}

.label {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--c-ink);
}

.label .req {
  color: var(--c-gold-deep);
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--c-paper-3);
  border: 1px solid var(--c-line-2);
  border-radius: var(--r-sm);
  font-size: 15px;
  color: var(--c-ink);
  transition: border-color var(--dur-1) var(--ease-out),
    box-shadow var(--dur-1) var(--ease-out), background-color var(--dur-1);
}

.input::placeholder,
.textarea::placeholder {
  color: color-mix(in srgb, var(--c-ink-3) 75%, transparent);
}

.input:hover,
.select:hover {
  border-color: var(--c-line-3);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--c-gold-deep);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-gold) 22%, transparent);
}

.input[aria-invalid="true"],
.textarea[aria-invalid="true"] {
  border-color: var(--c-danger);
}

.input[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-danger) 18%, transparent);
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group .input {
  padding-right: 52px;
}

.input-group .input-btn {
  position: absolute;
  right: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--r-xs);
  color: var(--c-ink-3);
}

.input-group .input-btn:hover {
  color: var(--c-ink);
  background: var(--c-sand);
}

.hint {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-ink-3);
}

.field-error {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-danger);
}

.field-error:empty {
  display: none;
}

/* 密码强度 */
.password-meter {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  margin-top: 2px;
}

.password-meter span {
  height: 3px;
  border-radius: var(--r-full);
  background: var(--c-sand-2);
  transition: background-color var(--dur-2);
}

.password-meter[data-level="1"] span:nth-child(1) {
  background: var(--c-danger);
}
.password-meter[data-level="2"] span:nth-child(-n + 2) {
  background: var(--c-warn);
}
.password-meter[data-level="3"] span:nth-child(-n + 3) {
  background: var(--c-gold);
}
.password-meter[data-level="4"] span {
  background: var(--c-success);
}

/* 复选框 */
.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-ink-2);
  cursor: pointer;
}

.checkbox input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  flex-shrink: 0;
  border: 1.5px solid var(--c-line-3);
  border-radius: var(--r-xs);
  background: var(--c-paper-3);
  display: grid;
  place-content: center;
  transition: background-color var(--dur-1), border-color var(--dur-1);
  cursor: pointer;
}

.checkbox input[type="checkbox"]::before {
  content: "";
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--c-paper);
  border-bottom: 2px solid var(--c-paper);
  transform: rotate(-45deg) translateY(-1px) scale(0);
  transform-origin: center;
  transition: transform var(--dur-1) var(--ease-out);
}

.checkbox input[type="checkbox"]:checked {
  background: var(--c-ink);
  border-color: var(--c-ink);
}

.checkbox input[type="checkbox"]:checked::before {
  transform: rotate(-45deg) translateY(-1px) scale(1);
}

.checkbox input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
}

.checkbox a {
  color: var(--c-gold-deep);
}

.checkbox--error {
  color: var(--c-danger);
}

/* 开关 */
.switch {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  cursor: pointer;
}

.switch input {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  width: 46px;
  height: 26px;
  border-radius: var(--r-full);
  background: var(--c-sand-2);
  transition: background-color var(--dur-2) var(--ease-out);
  cursor: pointer;
  flex-shrink: 0;
}

.switch input::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--c-paper-3);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur-2) var(--ease-out);
}

.switch input:checked {
  background: var(--c-ink);
}

.switch input:checked::after {
  transform: translateX(20px);
}

.switch input:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
}

.switch input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------- 提示 / 告警 ---------- */

.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-ink-3);
  border-radius: var(--r-sm);
  background: var(--c-paper-2);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-ink-2);
}

.alert svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.alert--error {
  border-color: color-mix(in srgb, var(--c-danger) 35%, transparent);
  border-left-color: var(--c-danger);
  background: var(--c-danger-soft);
  color: var(--c-danger);
}

.alert--warn {
  border-color: color-mix(in srgb, var(--c-warn) 35%, transparent);
  border-left-color: var(--c-warn);
  background: var(--c-warn-soft);
  color: var(--c-warn);
}

.alert--ok {
  border-color: color-mix(in srgb, var(--c-success) 35%, transparent);
  border-left-color: var(--c-success);
  background: var(--c-success-soft);
  color: var(--c-success);
}

.alert--info {
  border-color: color-mix(in srgb, var(--c-info) 30%, transparent);
  border-left-color: var(--c-info);
  background: var(--c-info-soft);
  color: var(--c-info);
}

.alert strong {
  color: inherit;
}

/* ---------- 分享卡 ---------- */

.share-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  padding: clamp(24px, 4vw, 48px);
  background: var(--c-paper-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-2);
}

.share-canvas-wrap {
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-2);
  background: var(--c-sand);
}

.share-canvas-wrap canvas,
.share-canvas-wrap img {
  width: 100%;
  height: auto;
}

.share-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

/* 成功/候补面板 */
.result-panel {
  max-width: 980px;
  margin-inline: auto;
}

.result-head {
  text-align: center;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.result-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-label);
  color: var(--c-gold-deep);
  text-transform: uppercase;
}

.result-head h1 {
  margin-top: var(--sp-3);
}

.result-head p {
  max-width: 56ch;
  margin: var(--sp-4) auto 0;
  font-size: var(--fs-lead);
}

.citizen-no {
  display: inline-block;
  margin-top: var(--sp-4);
  padding: 6px 22px;
  border: 1px solid color-mix(in srgb, var(--c-gold) 55%, transparent);
  border-radius: var(--r-full);
  background: var(--c-gold-wash);
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--c-gold-deep);
}

/* ---------- FAQ ---------- */

.faq {
  border-top: 1px solid var(--c-line);
}

.faq details {
  border-bottom: 1px solid var(--c-line);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: 20px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--c-ink);
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 300;
  color: var(--c-gold-deep);
  transition: transform var(--dur-2) var(--ease-out);
  flex-shrink: 0;
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq details > div {
  padding: 0 0 22px;
  max-width: 76ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-ink-2);
}

.faq details > div p:last-child {
  margin-bottom: 0;
}

/* ---------- 世界时钟 ---------- */

.world-clock {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-3) var(--sp-5);
  font-family: var(--font-mono);
  color: var(--c-ink);
}

.world-clock-time {
  font-size: clamp(26px, 3.4vw, 40px);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.world-clock-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-ink-3);
}

/* ---------- 页面头部（内页） ---------- */

.page-hero {
  position: relative;
  padding-block: clamp(48px, 6.5vw, 92px) clamp(40px, 5vw, 72px);
  border-bottom: 1px solid var(--c-line);
  overflow: clip;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(56% 90% at 82% 0%, rgba(181, 138, 77, 0.12), transparent 72%);
}

.page-hero h1 {
  max-width: 22ch;
  margin-block: var(--sp-4) var(--sp-5);
}

.page-hero p {
  max-width: 62ch;
  font-size: var(--fs-lead);
  line-height: 1.8;
}

.page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-5);
  margin-top: var(--sp-5);
  font-size: 13px;
  color: var(--c-ink-3);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-ink-3);
}

.breadcrumb a {
  color: var(--c-ink-3);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--c-gold-deep);
}

/* ---------- 法务长文 ---------- */

.prose {
  max-width: 74ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-ink-2);
}

.prose h2 {
  margin: clamp(36px, 4vw, 56px) 0 var(--sp-4);
  font-size: clamp(21px, 2.2vw, 28px);
  font-family: var(--font-sans);
  scroll-margin-top: 96px;
}

.prose h3 {
  margin: var(--sp-6) 0 var(--sp-3);
  font-size: 17px;
}

.prose p,
.prose ul,
.prose ol,
.prose table {
  margin-bottom: var(--sp-4);
}

.prose ul,
.prose ol {
  padding-left: 1.3em;
}

.prose li {
  margin-bottom: 8px;
}

.prose blockquote {
  margin: var(--sp-5) 0;
  font-size: 17px;
}

.prose hr {
  margin: var(--sp-7) 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.prose th,
.prose td {
  padding: 9px 12px;
  border: 1px solid var(--c-line);
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--c-sand);
  font-weight: 500;
}

.prose-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-5);
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-ink-3);
}

.legal-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: var(--sp-2);
  border-left: 1px solid var(--c-line);
}

.legal-toc a {
  padding: 5px 0 5px var(--sp-4);
  margin-left: -1px;
  border-left: 1px solid transparent;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--c-ink-3);
  text-decoration: none;
}

.legal-toc a:hover,
.legal-toc a[aria-current="true"] {
  border-left-color: var(--c-gold);
  color: var(--c-ink);
}

.toc-title {
  margin: 0 0 var(--sp-2);
  padding-left: var(--sp-4);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-ink-3);
}

/* ---------- 更新日志 ---------- */

.log-entry {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: var(--sp-5) var(--sp-7);
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 1px solid var(--c-line);
}

.log-entry:last-child {
  border-bottom: 1px solid var(--c-line);
}

.log-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.9;
  color: var(--c-ink-3);
}

.log-version {
  display: inline-block;
  margin-bottom: 6px;
  padding: 2px 9px;
  border: 1px solid var(--c-line-2);
  border-radius: var(--r-full);
  font-size: 11px;
  color: var(--c-ink-2);
}

.log-body h2 {
  font-family: var(--font-sans);
  font-size: 21px;
  margin-bottom: var(--sp-3);
}

.log-body ul {
  margin-bottom: 0;
  font-size: 14.5px;
  line-height: 1.85;
}

/* ---------- Toast ---------- */

.toast-region {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  transform: translateX(-50%);
  pointer-events: none;
  width: min(92vw, 460px);
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-radius: var(--r-full);
  background: var(--c-ink);
  color: var(--c-paper);
  font-size: 13.5px;
  box-shadow: var(--shadow-3);
  animation: toast-in var(--dur-3) var(--ease-out);
}

.toast--error {
  background: var(--c-danger);
}

.toast--ok {
  background: var(--c-success);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 演示模式角标 ---------- */

.demo-badge {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: var(--r-full);
  background: var(--c-warn);
  color: #fff8ea;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  box-shadow: var(--shadow-2);
}

.demo-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

.demo-note {
  margin-bottom: var(--sp-5);
}

/* ---------- 状态页（加载 / 错误 / 空） ---------- */

.state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  padding: clamp(32px, 5vw, 56px) var(--sp-4);
  text-align: center;
  color: var(--c-ink-3);
  font-size: 14px;
}

.state--sm {
  padding: var(--sp-6) var(--sp-4);
}

.state svg {
  color: var(--c-gold-deep);
}

.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--c-sand);
  border-radius: var(--r-xs);
  color: transparent !important;
}

.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in srgb, var(--c-paper-3) 65%, transparent),
    transparent
  );
  transform: translateX(-100%);
  animation: shimmer 1.6s infinite;
}

@keyframes shimmer {
  to {
    transform: translateX(100%);
  }
}

/* ---------- 后台 ---------- */

.admin-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--c-line);
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.admin-stat {
  padding: var(--sp-4) var(--sp-5);
  background: var(--c-paper-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
}

.admin-stat-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-variant-numeric: tabular-nums;
  color: var(--c-ink);
}

.admin-stat-label {
  margin-top: 4px;
  font-size: 12px;
  color: var(--c-ink-3);
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.admin-toolbar .field {
  gap: 5px;
}

.admin-toolbar .input,
.admin-toolbar .select {
  padding: 9px 12px;
  font-size: 13.5px;
}

.admin-toolbar .field--grow {
  flex: 1 1 220px;
  min-width: 160px;
}

.admin-toolbar .field--q {
  flex: 0 0 240px;
}

.settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.settings-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-5);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--c-line);
}

.settings-item:last-child {
  border-bottom: 0;
}

.settings-item h3 {
  font-size: 15px;
  margin-bottom: 3px;
}

.settings-item p {
  font-size: 12.5px;
  color: var(--c-ink-3);
  margin: 0;
}

.admin-gate {
  max-width: 460px;
  margin: clamp(24px, 6vw, 72px) auto;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
  font-size: 12.5px;
  color: var(--c-ink-3);
}

.pagination-actions {
  display: flex;
  gap: var(--sp-2);
}

/* ---------- 页脚超大品牌字 ---------- */

.footer-wordmark {
  position: relative;
  z-index: 0;
  padding: 0 0 var(--sp-4);
  font-family: var(--font-serif);
  font-size: clamp(56px, 13vw, 190px);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: color-mix(in srgb, var(--c-ink) 7%, transparent);
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;
}

/* ---------- 404 ---------- */

.error-page {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: clamp(420px, 62vh, 640px);
  padding-block: clamp(56px, 8vw, 96px);
}

.error-code {
  font-family: var(--font-serif);
  font-size: clamp(80px, 16vw, 200px);
  line-height: 0.9;
  color: var(--c-gold);
  opacity: 0.75;
}

.error-page h1 {
  margin: var(--sp-4) 0 var(--sp-4);
}

.error-page p {
  max-width: 46ch;
}

/* ---------- 滚动显现（JS 添加） ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 响应式组件 ---------- */

@media (max-width: 1080px) {
  .stat-value {
    font-size: clamp(30px, 3.6vw, 44px);
  }
  .earth-tag--1 {
    left: 0;
  }
  .earth-tag--2 {
    right: 0;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--sp-7);
  }
  .earth-visual {
    width: min(78%, 420px);
    order: -1;
  }
  .hero-copy h1 {
    font-size: clamp(38px, 8.4vw, 60px);
  }
  .hero-copy .hero-lead {
    max-width: none;
  }
  .stat-strip {
    grid-template-columns: minmax(0, 1fr);
  }
  .stat {
    border-left: 0;
    border-top: 1px solid var(--c-line);
    padding-left: 0;
    padding-block: var(--sp-5);
  }
  .stat:first-child {
    border-top: 0;
  }
  .share-card {
    grid-template-columns: minmax(0, 1fr);
  }
  .settings-grid,
  .legal-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .legal-toc {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px 14px;
    padding: 0 0 var(--sp-4);
    border-left: 0;
    border-bottom: 1px solid var(--c-line);
  }
  .legal-toc a {
    padding: 4px 0;
    border-left: 0;
  }
  .toc-title {
    width: 100%;
    padding-left: 0;
  }
  .admin-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .log-entry {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--sp-3);
  }
}

@media (max-width: 620px) {
  .eyebrow {
    font-size: 10px;
  }
  .hero {
    padding-bottom: var(--sp-8);
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-meta {
    gap: var(--sp-3) var(--sp-5);
  }
  .earth-tag--1 {
    top: 2%;
  }
  .earth-tag--2 {
    bottom: 4%;
  }
  .countdown {
    gap: 7px;
  }
  .countdown-unit {
    padding: 11px 4px 9px;
  }
  .countdown-num {
    font-size: 24px;
  }
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }
  .pill {
    font-size: 11px;
  }
  .page-hero {
    padding-top: var(--sp-7);
  }
  .result-panel {
    padding-inline: 0;
  }
  .share-card {
    padding: var(--sp-4);
    border-radius: var(--r-lg);
  }
  .admin-stats {
    grid-template-columns: minmax(0, 1fr);
  }
  .toast-region {
    bottom: 16px;
  }
  .demo-badge {
    bottom: 10px;
    right: 10px;
  }
  .footer-wordmark {
    font-size: 22vw;
  }
}