/* ==========================================================================
   Zone · 编辑式视觉层
   墨色底、骨色字、单一黄铜点缀。后加载，覆盖门户旧的紫蓝玻璃拟态。
   夸张留白 + 杂志网格；动效只留给进入与悬停，并服从 reduced-motion。
   ========================================================================== */

:root {
  --bg: #0e0d0c;
  --bg-deep: #090807;
  --surface: #161412;
  --surface-solid: #141311;
  --surface-2: rgba(243, 237, 227, 0.045);
  --surface-3: rgba(243, 237, 227, 0.08);
  --border: rgba(243, 237, 227, 0.14);
  --border-strong: rgba(243, 237, 227, 0.32);

  --paper: #f3ede3;
  --ink: #0e0d0c;
  --text: #f3ede3;
  --text-soft: #ddd6c8;
  --muted: #b1aa9e;
  --dim: #8f887c;

  --accent: #e7b15a;
  --primary: #e7b15a;
  --primary-2: #f3ede3;
  --gradient: #f3ede3;
  --gradient-soft: rgba(231, 177, 90, 0.14);

  --ai: #e7b15a;
  --ai-2: #f3ede3;
  --world: #f3ede3;
  --world-2: #e7b15a;

  --ok: #8dcea8;
  --warn: #e7b15a;
  --danger: #e07a72;

  --radius-sm: 0px;
  --radius: 0px;
  --radius-lg: 0px;
  --radius-xl: 0px;

  --shadow-sm: none;
  --shadow: none;
  --shadow-glow: none;

  --header-h: 72px;
  --container: 1180px;

  --font-sans: "Segoe UI Variable", "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --font-display: "Bahnschrift", "Segoe UI Variable Display", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  --font-serif: "Palatino Linotype", Palatino, "Songti SC", "STSong", "SimSun", serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

body {
  background:
    radial-gradient(720px 380px at 100% -12%, rgba(231, 177, 90, 0.08), transparent 62%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

h1, h2, h3, h4 { letter-spacing: -0.035em; }

a, button, summary, [role="button"] { cursor: pointer; }

::selection { background: var(--accent); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: 3px;
  border-radius: 0;
}

/* ------------------------------ 顶栏 ------------------------------ */
.site-header {
  background: rgba(14, 13, 12, 0.78);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled,
.site-header.mobile-open {
  background: rgba(14, 13, 12, 0.94);
  border-bottom-color: var(--border);
}
body.is-landing .site-header:not(.is-scrolled):not(.mobile-open) {
  background: transparent;
}
body.is-landing .site-footer { display: block; }

.brand { gap: 12px; }
.brand-word {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1;
}
.logo-mark {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--accent) 0 3px, transparent 3.6px),
    radial-gradient(circle at 50% 50%, transparent 6.2px, var(--paper) 6.6px 7.6px, transparent 8.2px);
  box-shadow: none;
  font-size: 0;
  color: transparent;
}
.brand:hover .logo-mark {
  background:
    radial-gradient(circle at 50% 50%, var(--paper) 0 3px, transparent 3.6px),
    radial-gradient(circle at 50% 50%, transparent 6.2px, var(--accent) 6.6px 7.6px, transparent 8.2px);
}

.nav-link {
  color: var(--muted);
  font-size: 14px;
  font-weight: 550;
  letter-spacing: 0.04em;
  padding: 12px 12px;
  border-radius: 0;
  white-space: nowrap;
}
.nav-link:hover { color: var(--paper); background: transparent; }
.nav-link.is-active { color: var(--paper); }
.nav-link.is-active::after {
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 1px;
  background: var(--accent);
}

.nav-user {
  border-radius: 0;
  background: transparent;
  border-color: var(--border);
  padding: 4px 4px 4px 10px;
}
.nav-user .avatar {
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
}
.nav-user .icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 0;
}
.nav-toggle {
  width: 44px;
  height: 44px;
  border-radius: 0;
  background: transparent;
}

/* ------------------------------ 按钮 / 表单 / 卡片 ------------------------------ */
.btn {
  border-radius: 0;
  font-weight: 600;
  letter-spacing: 0.02em;
  min-height: 44px;
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}
.btn:hover { transform: none; }
.btn:active { transform: none; }
.btn .icon { transition: transform 200ms var(--ease); }
.btn-primary:hover .icon,
.btn-ink:hover .icon { transform: translateX(3px); }
.btn-sm { --btn-h: 44px; border-radius: 0; }
.btn-lg { --btn-h: 52px; padding: 0 28px; border-radius: 0; font-size: 15px; letter-spacing: 0.06em; }

.btn-primary {
  background: var(--paper);
  color: var(--ink);
  box-shadow: none;
}
.btn-primary:hover { background: var(--accent); color: var(--ink); box-shadow: none; }

.btn-ink {
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
}
.btn-ink:hover { background: transparent; color: var(--ink); }

.btn-ghost {
  border-color: var(--border-strong);
  background: transparent;
  color: var(--paper);
}
.btn-ghost:hover {
  border-color: var(--paper);
  background: transparent;
  color: var(--paper);
}

.btn-soft {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--paper);
}
.btn-soft:hover { background: var(--surface-2); color: var(--paper); }

.btn-link { color: var(--paper); border-radius: 0; }
.btn-link:hover { color: var(--accent); }

.card, .glass {
  background: var(--surface-solid);
  border-color: var(--border);
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.card-title .icon { color: var(--accent); }

.tag { border-radius: 0; letter-spacing: 0.04em; }
.tag-info {
  color: var(--paper);
  border-color: var(--border-strong);
  background: transparent;
}

.input {
  border-radius: 0;
  background: transparent;
  min-height: 48px;
}
.input::placeholder { color: var(--dim); }
.input:focus {
  border-color: var(--paper);
  box-shadow: 0 0 0 3px rgba(243, 237, 227, 0.12);
  background: transparent;
}

.auth-page {
  display: block;
  max-width: 440px;
  margin-inline: auto;
  padding-block: 72px 96px;
  min-height: 0;
}
.auth-card {
  max-width: none;
  padding: 28px 0 0;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}
.auth-head { text-align: left; }
.auth-head .logo-mark { margin: 0 0 22px; }
.auth-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 52px);
  letter-spacing: -0.04em;
  line-height: 0.95;
}
.auth-sub { max-width: 28em; font-size: 15px; line-height: 1.6; }
.auth-alt { text-align: left; }
.auth-alt a { color: var(--paper); }
.auth-alt a:hover { color: var(--accent); }

.page-head h1,
.ws-head h1,
.play-title {
  font-family: var(--font-display);
  letter-spacing: -0.045em;
  line-height: 0.96;
}
.page-head h1,
.ws-head h1 { font-size: clamp(32px, 4vw, 48px); }
.play-title { font-size: clamp(36px, 4.2vw, 56px); }
.page-head { margin-bottom: 40px; }

.notfound-code {
  font-family: var(--font-display);
  color: var(--paper);
  background: none;
  -webkit-text-fill-color: currentColor;
}
.notfound { padding-block: 96px 48px; }
.notfound h1 { font-size: clamp(28px, 4vw, 40px); }

.plan-card.featured {
  border-color: var(--accent);
  background: var(--surface-solid);
  box-shadow: none;
}
.plan-badge {
  border-radius: 0;
  background: var(--accent);
  color: var(--ink);
  box-shadow: none;
}
.plan-name .icon,
.faq-item[open] .faq-q .icon,
.eyebrow { color: var(--accent); }

.recharge-amount.is-active {
  border-color: var(--accent);
  background: rgba(231, 177, 90, 0.1);
  box-shadow: none;
}
.recharge-denom strong { color: var(--accent); }

.site-footer {
  background: transparent;
  border-top: 1px solid var(--border);
  padding-block: 72px 28px;
}
.footer-title {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.footer-col a:hover { color: var(--paper); }
.footer-bottom { border-top-color: var(--border); }
.footer-note { font-size: 15px; line-height: 1.7; max-width: 36em; }

.empty .icon,
.spinner { color: var(--dim); border-color: rgba(243, 237, 227, 0.2); }
.spinner { border-top-color: var(--paper); }

/* ------------------------------ 首页 ------------------------------ */
.zone-hero { padding: 6vh 0 0; }
.zone-hero-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}
.zone-hero-top p {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.zone-display {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(88px, 18vw, 232px);
  line-height: 0.8;
  letter-spacing: -0.055em;
  color: var(--paper);
  animation: zone-rise 680ms var(--ease) both;
}
.zone-hero-foot {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.65fr);
  gap: 48px;
  align-items: end;
  margin-top: 28px;
  animation: zone-rise 680ms var(--ease) 90ms both;
}
.zone-statement {
  max-width: 12em;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.035em;
  color: var(--paper);
}
.zone-lead {
  margin-top: 14px;
  max-width: 38em;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}
.zone-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}
.zone-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 64px 0 0;
  border-top: 1px solid var(--border);
}
.zone-fact {
  padding: 22px 24px 4px 0;
  border-right: 1px solid var(--border);
}
.zone-fact:last-child { border-right: 0; }
.zone-fact dt {
  color: var(--dim);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.zone-fact dd {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--paper);
}
.zone-section { padding: 112px 0 8px; }
.zone-section-head {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 18px;
}
.zone-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.zone-kicker-ink { color: #8a5a12; }
.zone-section-head h2 {
  max-width: 14em;
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 56px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.04em;
}
.zone-section-lead {
  max-width: 40em;
  margin: 0 0 28px 172px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}
.zone-catalog { border-top: 1px solid var(--border); }
.zone-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto 28px;
  gap: 18px;
  align-items: center;
  min-height: 96px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.zone-row:hover { color: var(--paper); }
.zone-row:hover .zone-row-no,
.zone-row:hover .zone-row-go { color: var(--accent); }
.zone-row-no {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--dim);
}
.zone-row-copy { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.zone-row-name {
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
}
.zone-row-desc {
  max-width: 46em;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}
.zone-row-status {
  color: var(--dim);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}
.zone-row-go { color: var(--dim); }
.zone-row-go .icon { width: 22px; height: 22px; }
.zone-empty {
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.zone-essays,
.zone-steps {
  border-top: 1px solid var(--border);
}
.zone-essay,
.zone-step {
  display: grid;
  grid-template-columns: 72px minmax(180px, 280px) minmax(0, 1fr);
  gap: 8px 28px;
  align-items: baseline;
  min-width: 0;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.zone-essay-no,
.zone-step-no {
  margin: 0;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.zone-essay h3,
.zone-step h3 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.03em;
}
.zone-essay p,
.zone-step p {
  margin: 0;
  max-width: 40em;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}
.zone-essay p.zone-essay-no,
.zone-step .zone-step-no {
  max-width: none;
  color: var(--accent);
  font-size: 13px;
  line-height: 1;
}

.zone-close {
  margin-top: 112px;
  background: var(--paper);
  color: var(--ink);
}
.zone-close-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  padding-block: 88px 96px;
}
.zone-close-inner > div { flex: 1 1 auto; min-width: 0; }
.zone-close h2 {
  margin-top: 12px;
  max-width: 8em;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.05em;
}
.zone-close p:last-child {
  margin-top: 20px;
  max-width: 22em;
  color: #3f3a33;
  font-size: 17px;
  line-height: 1.65;
}

@keyframes zone-rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

/* ------------------------------ 广场 / 运行壳 ------------------------------ */
.play-shell { padding-top: 36px; gap: 40px; }
.play-sidebar-inner {
  padding: 4px 28px 8px 0;
  border: 0;
  border-right: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}
.play-sidebar-label {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.play-sidebar-game {
  border-radius: 0;
  background: transparent;
}
.play-sidebar-game:hover { background: transparent; border-color: transparent; }
.play-sidebar-game.is-active {
  color: var(--paper);
  border-color: transparent;
  background: transparent;
  box-shadow: inset 2px 0 0 var(--accent);
}
.play-kicker {
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.play-banner,
.play-banner--world {
  border: 0;
  border-block: 1px solid var(--border);
  border-radius: 0;
  padding: 36px 0;
  background: transparent;
}
.play-banner-glow { display: none; }
.play-banner-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  letter-spacing: -0.04em;
}
.play-banner-glyph {
  font-family: var(--font-display);
  font-weight: 600;
  background: none;
  color: var(--paper);
  -webkit-text-fill-color: var(--paper);
  opacity: 0.9;
}
.play-chip { border-radius: 0; background: transparent; min-height: 44px; }
.play-chip.is-active {
  color: var(--ink);
  background: var(--paper);
  border-color: var(--paper);
}
.world-card {
  border-radius: 0;
  background: var(--surface-solid);
}
.world-card:hover,
.world-card-slot:hover {
  transform: none;
  border-color: var(--paper);
  box-shadow: none;
}
.world-card:focus-visible { outline-color: var(--paper); }
.world-card-media--large { border-radius: 0; }
.world-badge { border-radius: 0; color: var(--paper); }

.rt-shell { background: var(--bg); }
.rt-bar {
  background: rgba(14, 13, 12, 0.94);
  border-bottom-color: var(--border);
}
.rt-back { border-radius: 0; }
.rt-back:hover { border-color: var(--paper); color: var(--paper); }

.ws-kicker {
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
}

/* ------------------------------ 响应式 ------------------------------ */
@media (max-width: 1200px) {
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 8px 24px 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: none;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .site-header.mobile-open .nav-menu { display: flex; }
  .nav-links { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link { padding: 12px; font-size: 16px; }
  .nav-auth {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-left: 0;
    padding-top: 12px;
    border-top: 1px solid var(--border);
  }
  .nav-auth .btn { width: 100%; }
}

@media (max-width: 1024px) {
  .zone-hero-foot { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .zone-hero-actions { justify-content: flex-start; }
  .zone-essay,
  .zone-step { grid-template-columns: 56px minmax(0, 1fr); }
  .zone-essay p:last-child,
  .zone-step p:last-child { grid-column: 2; }
  .play-sidebar-inner { border-right: 0; padding-right: 0; }
}

@media (max-width: 860px) {
  .nav-menu { background: var(--bg); box-shadow: none; }
  .zone-section-head { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .zone-section-lead { margin-left: 0; }
  .zone-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .zone-fact:nth-child(2) { border-right: 0; }
  .zone-fact:nth-child(1),
  .zone-fact:nth-child(2) { border-bottom: 1px solid var(--border); padding-bottom: 18px; }
  .zone-row {
    grid-template-columns: 40px minmax(0, 1fr) 22px;
    grid-template-areas:
      "no name go"
      "no desc go"
      "no status go";
    gap: 4px 12px;
    align-items: center;
    padding: 20px 0;
  }
  .zone-row-no { grid-area: no; }
  .zone-row-copy { display: contents; }
  .zone-row-name { grid-area: name; }
  .zone-row-desc { grid-area: desc; }
  .zone-row-status { grid-area: status; white-space: normal; }
  .zone-row-go { grid-area: go; }
  .zone-close-inner { flex-direction: column; align-items: flex-start; padding-block: 64px 72px; }
  .zone-close .btn { width: 100%; }
}

@media (max-width: 640px) {
  .container { padding-inline: 20px; }
  .zone-hero { padding-top: 28px; }
  .zone-display { font-size: clamp(76px, 24vw, 120px); }
  .zone-statement { font-size: 26px; }
  .zone-hero-actions .btn { flex: 1 1 calc(50% - 10px); }
  .zone-section { padding-top: 72px; }
  .zone-close { margin-top: 72px; }
  .footer-cols { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .zone-display,
  .zone-hero-foot { animation: none; }
}