/* ════════════════════════════════════════════════════════════════════
   KALYX · Global Stylesheet
   Mono / terminal / cypherpunk visual language
   ════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────── THEME TOKENS ─────────────────────────── */
:root[data-theme="dark"] {
  --bg:        #0A0A0A;
  --bg-2:      #131313;
  --bg-3:      #1C1C1C;
  --bg-elev:   #1E1E1E;
  --ink:       #F0F0F0;
  --ink-mute:  #7A7A7A;
  --ink-faint: #2D2D2D;
  --rule:      rgba(240, 240, 240, 0.08);
  --rule-strong: rgba(240, 240, 240, 0.16);
  --accent:    #A8FF60;
  --accent-faint: rgba(168, 255, 96, 0.10);
  --accent-glow:  rgba(168, 255, 96, 0.25);
  --danger:    #FF6B6B;
  --danger-faint: rgba(255, 107, 107, 0.10);
  --warn:      #FFB060;
  --warn-faint: rgba(255, 176, 96, 0.10);
  --grid-line: rgba(168, 255, 96, 0.025);
}

:root[data-theme="light"] {
  --bg:        #FAFAFA;
  --bg-2:      #FFFFFF;
  --bg-3:      #F0F0F0;
  --bg-elev:   #FFFFFF;
  --ink:       #0A0A0A;
  --ink-mute:  #6A6A6A;
  --ink-faint: #D8D8D8;
  --rule:      rgba(10, 10, 10, 0.08);
  --rule-strong: rgba(10, 10, 10, 0.18);
  --accent:    #2C8000;
  --accent-faint: rgba(44, 128, 0, 0.08);
  --accent-glow:  rgba(44, 128, 0, 0.18);
  --danger:    #C0392B;
  --danger-faint: rgba(192, 57, 43, 0.08);
  --warn:      #B86E00;
  --warn-faint: rgba(184, 110, 0, 0.08);
  --grid-line: rgba(44, 128, 0, 0.04);
}

/* ─────────────────────────── RESET ─────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}
:root[data-lang="zh"] {
  font-family: 'Noto Sans SC', 'JetBrains Mono', sans-serif;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.3s ease, color 0.3s ease;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
:root[data-lang="zh"] body { font-size: 15px; line-height: 1.7; }

main { flex: 1; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
input, select, textarea { font-family: inherit; color: inherit; }

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

/* ─────────────────────────── HEADER ─────────────────────────── */
header.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 40px;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.brand {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
}
.brand .mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--accent);
  position: relative;
}
.brand .mark::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--accent);
}

.nav-primary {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 56px;
  flex: 1;
}
.nav-link {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding: 10px 18px;
  transition: color 0.2s ease;
  position: relative;
}
:root[data-lang="zh"] .nav-link {
  font-size: 14px;
  letter-spacing: 0.08em;
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--accent); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -19px;
  left: 18px;
  right: 18px;
  height: 2px;
  background: var(--accent);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toggle-btn {
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 9px 14px;
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink-mute);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.toggle-btn:hover { color: var(--ink); border-color: var(--accent); }
.toggle-btn .icon { width: 12px; text-align: center; }

/* account pill (logged-in) */
.account-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 5px 5px 14px;
  border: 1px solid var(--rule-strong);
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--ink);
  text-decoration: none;
}
.account-pill:hover {
  border-color: var(--accent);
  background: var(--accent-faint);
}
.account-pill:hover .pill-label { color: var(--accent); }
.account-pill .pill-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  transition: color 0.2s ease;
}
:root[data-lang="zh"] .account-pill .pill-label {
  font-size: 12px;
  letter-spacing: 0.08em;
}
.account-pill .days {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--accent);
  padding-left: 10px;
  border-left: 1px solid var(--rule);
}
.account-pill .avatar {
  width: 26px;
  height: 26px;
  background: var(--accent);
  color: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0;
}

@media (max-width: 900px) {
  .account-pill .pill-label,
  .account-pill .days { display: none; }
  .account-pill { padding: 4px; }
}

/* mobile menu trigger */
.menu-trigger {
  display: none;
  background: transparent;
  border: 1px solid var(--rule-strong);
  padding: 8px 10px;
  color: var(--ink);
  cursor: pointer;
}

/* mobile menu drawer */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 200;
  padding: 80px 24px 24px;
  display: none;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link {
  padding: 16px 0;
  font-size: 13px;
  border-bottom: 1px solid var(--rule);
}
.mobile-menu-close {
  position: absolute;
  top: 16px;
  right: 24px;
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  width: 36px;
  height: 36px;
  font-size: 18px;
  cursor: pointer;
}

@media (max-width: 900px) {
  header.app-header { padding: 14px 20px; }
  .nav-primary { display: none; }
  .menu-trigger { display: inline-flex; }
  .toggle-btn span:not(.icon) { display: none; }
  .toggle-btn { padding: 8px 10px; }
}

/* ─────────────────────────── FOOTER ─────────────────────────── */
footer.app-footer {
  padding: 36px 40px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}
footer.app-footer .links { display: flex; gap: 24px; }
footer.app-footer a {
  color: var(--ink-mute);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.15em;
  transition: color 0.2s ease;
}
footer.app-footer a:hover { color: var(--accent); }

@media (max-width: 640px) {
  footer.app-footer { flex-direction: column; gap: 16px; padding: 24px 20px; text-align: center; }
  footer.app-footer .links { flex-wrap: wrap; justify-content: center; gap: 12px; }
}

/* ─────────────────────────── PAGE SCAFFOLD ─────────────────────────── */
.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 40px;
}
.page-head { margin-bottom: 48px; }
.page-eyebrow {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.page-title {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
:root[data-lang="zh"] .page-title {
  font-family: 'Noto Sans SC', sans-serif;
  letter-spacing: 0;
}
.page-sub {
  font-size: 15px;
  color: var(--ink-mute);
  max-width: 600px;
  line-height: 1.75;
}

@media (max-width: 640px) {
  .page { padding: 40px 20px; }
}

/* ─────────────────────────── BUTTONS ─────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--rule-strong);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.2s ease;
}
:root[data-lang="zh"] .btn { letter-spacing: 0.06em; font-size: 14px; }

.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.btn.primary:hover { background: transparent; color: var(--accent); }
.btn.danger { border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: var(--bg); }
.btn.sm { padding: 9px 16px; font-size: 11px; letter-spacing: 0.15em; }
.btn .arrow { transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translateX(3px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn:disabled:hover { border-color: var(--rule-strong); color: var(--ink); }

/* ─────────────────────────── CARD ─────────────────────────── */
.card {
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 28px;
  position: relative;
  transition: border-color 0.2s ease;
}
.card.corner::before,
.card.corner::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--accent);
  pointer-events: none;
}
.card.corner::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.card.corner::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--rule);
}
.card-title {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.card-title::before { content: '// '; color: var(--accent); }
.card-title-strong {
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink);
}

/* ─────────────────────────── TOAST ─────────────────────────── */
.toast-host {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--bg-2);
  border: 1px solid var(--accent);
  color: var(--ink);
  padding: 10px 20px;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: toast-in 0.25s ease;
  pointer-events: auto;
}
.toast.danger { border-color: var(--danger); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────── MODAL ─────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fade-in 0.2s ease;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  max-width: 420px;
  width: 100%;
  padding: 32px;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border: 1px solid var(--rule-strong);
  background: transparent;
  color: var(--ink-mute);
  cursor: pointer;
  font-size: 14px;
}
.modal-close:hover { color: var(--ink); border-color: var(--accent); }

/* ─────────────────────────── ICON ─────────────────────────── */
.ic {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  fill: none;
  stroke: currentColor;
  flex-shrink: 0;
}
.ic.lg { width: 32px; height: 32px; }
.ic.xl { width: 48px; height: 48px; }
.ic.md { width: 22px; height: 22px; }
.ic.sm { width: 14px; height: 14px; }

/* ─────────────────────────── COMMON UTILS ─────────────────────────── */
.mono-num {
  font-family: 'Space Mono', monospace;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.eyebrow.accent { color: var(--accent); }
.divider {
  height: 1px;
  background: var(--rule);
  border: none;
  margin: 24px 0;
}
.divider.dashed { background: transparent; border-top: 1px dashed var(--rule); }
.kbd {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--rule-strong);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
}

/* status dot */
.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-mute);
  margin-right: 6px;
  vertical-align: middle;
}
.dot.live {
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow);
  animation: pulse 2s infinite;
}
.dot.warn { background: var(--warn); }
.dot.danger { background: var(--danger); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--accent-glow); }
  70% { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* progress bar */
.bar {
  width: 100%;
  height: 6px;
  background: var(--bg-3);
  position: relative;
  overflow: hidden;
}
.bar > i {
  display: block;
  height: 100%;
  background: var(--accent);
  transition: width 0.4s ease;
}
.bar.warn > i { background: var(--warn); }
.bar.danger > i { background: var(--danger); }

/* ring progress */
.ring {
  --size: 96px;
  --thick: 6px;
  --pct: 50;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background:
    conic-gradient(var(--accent) calc(var(--pct) * 1%), var(--bg-3) 0);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.ring::after {
  content: '';
  position: absolute;
  inset: var(--thick);
  background: var(--bg-2);
  border-radius: 50%;
}
.ring > span {
  position: relative;
  z-index: 1;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.ring.warn { background: conic-gradient(var(--warn) calc(var(--pct) * 1%), var(--bg-3) 0); }
.ring.danger { background: conic-gradient(var(--danger) calc(var(--pct) * 1%), var(--bg-3) 0); }

/* tag chip */
.tag {
  display: inline-block;
  padding: 4px 9px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid var(--rule-strong);
  color: var(--ink-mute);
}
.tag.accent { color: var(--accent); border-color: var(--accent); background: var(--accent-faint); }
.tag.danger { color: var(--danger); border-color: var(--danger); background: var(--danger-faint); }
.tag.warn { color: var(--warn); border-color: var(--warn); background: var(--warn-faint); }

/* Inputs */
.input {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--rule-strong);
  padding: 14px 16px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  letter-spacing: 0.02em;
  transition: border-color 0.2s ease;
}
.input:focus { outline: none; border-color: var(--accent); }
.input::placeholder { color: var(--ink-mute); }

.field-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field-row label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
  cursor: pointer;
}
.switch input { display: none; }
.switch .track {
  position: absolute;
  inset: 0;
  background: var(--bg-3);
  border: 1px solid var(--rule-strong);
  transition: all 0.2s ease;
}
.switch .thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--ink-mute);
  transition: all 0.2s ease;
}
.switch input:checked + .track {
  background: var(--accent-faint);
  border-color: var(--accent);
}
.switch input:checked + .track + .thumb {
  background: var(--accent);
  left: 18px;
}

/* ──────────────────────────────────────────────────────────────
   PAGE: LANDING (index.html)
   ────────────────────────────────────────────────────────────── */
.hero {
  min-height: 72vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 80px 40px 40px;
}
.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.hero-title {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: clamp(42px, 7vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  max-width: 900px;
  margin-bottom: 24px;
}
:root[data-lang="zh"] .hero-title {
  font-family: 'Noto Sans SC', sans-serif;
  letter-spacing: 0;
  font-size: clamp(36px, 6vw, 80px);
}
.hero-title .accent { color: var(--accent); }
.hero-sub {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-mute);
  max-width: 580px;
  margin-bottom: 40px;
}
.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.hero-status {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  flex-wrap: wrap;
  justify-content: center;
}
.hero-status .item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-status .item svg { color: var(--accent); }
.hero-status .item .v {
  color: var(--accent);
  font-family: 'Space Mono', monospace;
}

/* features */
.features {
  padding: 0 40px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1280px;
  margin: 0 auto;
}
.feat {
  padding: 32px 24px;
  border-right: 1px solid var(--rule);
}
.feat:last-child { border-right: none; }
.feat .feat-ic {
  color: var(--accent);
  margin-bottom: 18px;
  display: block;
}
.feat .num {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 14px;
  display: block;
  opacity: 0.7;
}
.feat .name {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 20px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
:root[data-lang="zh"] .feat .name { font-family: 'Noto Sans SC', sans-serif; }
.feat .desc { font-size: 14px; line-height: 1.7; color: var(--ink-mute); }

/* ═══════════════ PROTOCOL ARCHITECTURE (index) ═══════════════ */
.proto-arch {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.proto-head {
  text-align: center;
  padding: 72px 40px 56px;
  max-width: 700px;
  margin: 0 auto;
}
.proto-intro {
  margin-top: 16px;
  font-size: 14px;
  color: var(--ink-mute);
  line-height: 1.8;
}

/* stack */
.proto-stack {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule);
}
.proto-layer {
  padding: 36px 28px;
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.proto-layer:last-child { border-right: none; }
.pl-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
}
.pl-badge {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 2px 7px;
  flex-shrink: 0;
}
.pl-ico { color: var(--accent); }
.pl-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.pl-name {
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
:root[data-lang="zh"] .pl-name { font-family: 'Noto Sans SC', sans-serif; }
.pl-desc {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.75;
  flex: 1;
}
.pl-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}
.pl-tags span {
  font-size: 10px;
  letter-spacing: 0.04em;
  background: var(--accent-faint);
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 2px 7px;
}

/* onion hop diagram */
.proto-onion {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 52px 40px;
  border-top: 1px solid var(--rule);
  overflow-x: auto;
  gap: 0;
}
.pon-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
  min-width: 88px;
}
.pon-glyph {
  font-size: 26px;
  color: var(--accent);
  line-height: 1;
}
.pon-you .pon-glyph,
.pon-web .pon-glyph { font-size: 30px; }
.pon-name {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.pon-enc {
  font-size: 10px;
  color: var(--ink-mute);
  letter-spacing: 0.03em;
  text-align: center;
}
.pon-arrow {
  flex: 1;
  display: flex;
  align-items: center;
  min-width: 32px;
  max-width: 100px;
  position: relative;
}
.pon-line {
  width: 100%;
  height: 1px;
  background: var(--rule-strong);
  position: relative;
}
.pon-line::after {
  content: '▶';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 7px;
  color: var(--ink-mute);
}

/* params strip */
.proto-params {
  display: flex;
  border-top: 1px solid var(--rule);
}
.pp-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 24px 12px;
  border-right: 1px solid var(--rule);
}
.pp-item:last-child { border-right: none; }
.pp-k {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.pp-v {
  font-family: 'Space Mono', monospace;
  font-size: 17px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

/* how it works */
.how {
  padding: 80px 40px;
  max-width: 1280px;
  margin: 0 auto;
}
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.how-step {
  background: var(--bg);
  padding: 40px 32px;
  position: relative;
}
.how-step .how-ic {
  color: var(--accent);
  margin-bottom: 18px;
  display: block;
}
.how-step .step-num {
  font-family: 'Space Mono', monospace;
  font-size: 48px;
  font-weight: 700;
  color: var(--ink-faint);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.6;
}
.how-step h3 {
  font-family: 'Space Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 12px;
}
:root[data-lang="zh"] .how-step h3 { font-family: 'Noto Sans SC', sans-serif; }
.how-step p { font-size: 14px; color: var(--ink-mute); line-height: 1.75; }

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feat:nth-child(2) { border-right: none; }
  .feat:nth-child(3), .feat:nth-child(4) { border-top: 1px solid var(--rule); }
  .how-grid { grid-template-columns: 1fr; }
  /* proto arch */
  .proto-stack { grid-template-columns: repeat(2, 1fr); }
  .proto-layer:nth-child(2) { border-right: none; }
  .proto-layer:nth-child(3), .proto-layer:nth-child(4) { border-top: 1px solid var(--rule); }
  .proto-params { flex-wrap: wrap; }
  .pp-item { min-width: 33.33%; }
  .pp-item:nth-child(3n) { border-right: none; }
  .pp-item:nth-child(n+4) { border-top: 1px solid var(--rule); }
}
@media (max-width: 640px) {
  .hero { min-height: 80vh; padding: 60px 20px 32px; }
  .features { padding: 0 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .feat { border-right: none; padding: 24px 0; }
  .feat:not(:first-child) { border-top: 1px solid var(--rule); }
  .how { padding: 56px 20px; }
  /* proto arch */
  .proto-head { padding: 48px 20px 36px; }
  .proto-stack { grid-template-columns: 1fr; }
  .proto-layer { border-right: none; padding: 28px 20px; }
  .proto-layer:not(:first-child) { border-top: 1px solid var(--rule); }
  .proto-onion { padding: 36px 16px; flex-wrap: wrap; gap: 12px; justify-content: flex-start; }
  .pon-arrow { display: none; }
  .pon-node { min-width: 72px; }
  .proto-params { flex-wrap: wrap; }
  .pp-item { min-width: 50%; }
  .pp-item:nth-child(2n) { border-right: none; }
  .pp-item:nth-child(n+3) { border-top: 1px solid var(--rule); }
}

/* ──────────────────────────────────────────────────────────────
   PAGE: PRICING
   ────────────────────────────────────────────────────────────── */
.pricing-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  align-items: start;
}

@media (max-width: 1024px) {
  .pricing-layout { grid-template-columns: 1fr; }
}

.pricing-section {
  margin-bottom: 32px;
}
.pricing-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
}
.pricing-section-title {
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}
.pricing-section-title .idx {
  color: var(--accent);
  margin-right: 8px;
  font-weight: 400;
}
.pricing-section-hint {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--accent);
}

/* plan tier cards */
.plan-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.plan-tier {
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 24px 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  text-align: left;
}
.plan-tier:hover { border-color: var(--ink-mute); }
.plan-tier.active {
  border-color: var(--accent);
  background: var(--accent-faint);
}
.plan-tier .ribbon {
  position: absolute;
  top: -1px;
  right: -1px;
  background: var(--accent);
  color: var(--bg);
  font-size: 8px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 4px 8px;
  font-weight: 700;
}
.plan-tier .tier-name {
  font-family: 'Space Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}
:root[data-lang="zh"] .plan-tier .tier-name { font-family: 'Noto Sans SC', sans-serif; }
.plan-tier .tier-price {
  font-family: 'Space Mono', monospace;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 4px;
}
.plan-tier .tier-price .per {
  font-size: 12px;
  color: var(--ink-mute);
  font-weight: 400;
  letter-spacing: 0.05em;
}
.plan-tier .tier-feats {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--rule);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.plan-tier .tier-feats li {
  list-style: none;
  font-size: 13px;
  color: var(--ink-mute);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.plan-tier .tier-feats li::before {
  content: '▸';
  color: var(--accent);
  font-size: 9px;
}
.plan-tier.active .tier-feats li { color: var(--ink); }

@media (max-width: 768px) {
  .plan-tiers { grid-template-columns: 1fr; }
}

/* duration buttons */
.duration-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.dur-opt {
  position: relative;
  padding: 18px 10px;
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}
.dur-opt:hover { border-color: var(--ink-mute); }
.dur-opt.active {
  border-color: var(--accent);
  background: var(--accent-faint);
}
.dur-opt .dur-label {
  font-family: 'Space Mono', monospace;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
:root[data-lang="zh"] .dur-opt .dur-label { font-family: 'Noto Sans SC', sans-serif; }
.dur-opt .dur-price {
  font-size: 11px;
  color: var(--ink-mute);
  margin-top: 6px;
  letter-spacing: 0.05em;
}
.dur-opt.active .dur-price { color: var(--accent); }
.dur-opt .save-badge {
  position: absolute;
  top: -8px;
  right: 8px;
  background: var(--accent);
  color: var(--bg);
  font-size: 8px;
  letter-spacing: 0.15em;
  padding: 2px 6px;
  font-weight: 700;
}
.dur-opt .best {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg);
  font-size: 8px;
  letter-spacing: 0.2em;
  padding: 3px 8px;
  font-weight: 700;
}

@media (max-width: 640px) {
  .duration-row { grid-template-columns: repeat(2, 1fr); }
}

/* payment methods */
.method-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.method {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 22px 12px;
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  cursor: pointer;
  transition: all 0.2s ease;
}
.method:hover { border-color: var(--ink-mute); }
.method.active {
  border-color: var(--accent);
  background: var(--accent-faint);
}
.method svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}
.method .m-label {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}
.method .m-meta {
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}
.method.active .m-meta { color: var(--accent); }

.crypto-row {
  display: none;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--rule);
  align-items: center;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.crypto-row.show { display: flex; }
.coin {
  padding: 6px 12px;
  border: 1px solid var(--rule-strong);
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 10px;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: all 0.2s ease;
}
.coin:hover { border-color: var(--ink-mute); }
.coin.active {
  border-color: var(--accent);
  background: var(--accent-faint);
  color: var(--accent);
}

/* promo code */
.promo-toggle {
  background: none;
  border: none;
  color: var(--accent);
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.1em;
  cursor: pointer;
  padding: 4px 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.promo-toggle:hover { text-decoration: underline; }
.promo-input {
  display: none;
  gap: 8px;
  margin-top: 10px;
}
.promo-input.show { display: flex; }
.promo-input .input { flex: 1; }
.promo-input .btn { padding: 0 18px; }

/* auto-renew row */
.renew-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-top: 1px dashed var(--rule);
  border-bottom: 1px dashed var(--rule);
  margin-bottom: 20px;
}
.renew-row .meta {
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--ink-mute);
  margin-top: 4px;
}
.renew-row .renew-label {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink);
}

/* summary panel (sticky on desktop) */
.summary-panel {
  position: sticky;
  top: 88px;
  align-self: start;
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 28px;
}
.summary-panel::before,
.summary-panel::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--accent);
}
.summary-panel::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.summary-panel::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.summary-panel h3 {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 22px;
  color: var(--ink);
}
:root[data-lang="zh"] .summary-panel h3 { font-family: 'Noto Sans SC', sans-serif; }
.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 9px 0;
  font-size: 13px;
  color: var(--ink-mute);
}
.summary-row .v {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.summary-row.discount .v { color: var(--accent); }
.summary-row.total {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-strong);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
  align-items: center;
}
.summary-row.total .v {
  font-family: 'Space Mono', monospace;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.summary-equiv {
  text-align: right;
  font-size: 11px;
  color: var(--accent);
  margin-top: -4px;
  letter-spacing: 0.05em;
}
.pay-btn {
  width: 100%;
  margin-top: 22px;
  padding: 18px;
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
:root[data-lang="zh"] .pay-btn { letter-spacing: 0.08em; font-size: 14px; }
.pay-btn:hover { background: var(--bg); color: var(--accent); }
.pay-btn .arrow { transition: transform 0.2s ease; }
.pay-btn:hover .arrow { transform: translateX(4px); }
.pay-btn:disabled { opacity: 0.5; cursor: progress; }

.pay-notice {
  text-align: center;
  font-size: 10px;
  color: var(--ink-mute);
  margin-top: 16px;
  letter-spacing: 0.05em;
}
.pay-notice::before { content: '⛨ '; color: var(--accent); }

/* trust strip + faq */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 48px 0 32px;
}
.trust-cell {
  background: var(--bg);
  padding: 24px;
  text-align: center;
}
.trust-cell .ico { font-size: 18px; color: var(--accent); margin-bottom: 8px; }
.trust-cell .ico-svg { color: var(--accent); margin-bottom: 12px; }
.trust-cell .ttl {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
:root[data-lang="zh"] .trust-cell .ttl { font-family: 'Noto Sans SC', sans-serif; }
.trust-cell .desc { font-size: 13px; color: var(--ink-mute); line-height: 1.6; }

@media (max-width: 768px) {
  .trust-strip { grid-template-columns: 1fr; }
}

.faq-section { margin-top: 32px; }
.faq-item {
  border-top: 1px solid var(--rule);
  cursor: pointer;
}
.faq-item:last-child { border-bottom: 1px solid var(--rule); }
.faq-q {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.faq-q .toggle { color: var(--accent); font-family: 'Space Mono', monospace; font-size: 18px; transition: transform 0.2s ease; }
.faq-item.open .faq-q .toggle { transform: rotate(45deg); }
.faq-a {
  display: none;
  padding: 0 0 22px;
  font-size: 14px;
  color: var(--ink-mute);
  line-height: 1.8;
  max-width: 720px;
}
.faq-item.open .faq-a { display: block; }

/* ──────────────────────────────────────────────────────────────
   PAGE: ACCOUNT
   ────────────────────────────────────────────────────────────── */
.account-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  align-items: start;
}
.account-sidebar {
  position: sticky;
  top: 88px;
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
}
.account-side-head {
  padding: 20px;
  border-bottom: 1px solid var(--rule);
}
.account-side-head .who {
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  word-break: break-all;
}
.account-side-head .id {
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  margin-top: 6px;
}
.account-side-nav {
  display: flex;
  flex-direction: column;
}
.account-side-nav a {
  padding: 15px 20px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border-left: 2px solid transparent;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}
:root[data-lang="zh"] .account-side-nav a { font-size: 13px; letter-spacing: 0.08em; }
.account-side-nav a:hover { color: var(--ink); background: var(--bg-3); }
.account-side-nav a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-faint);
}
.account-side-nav .ico {
  width: 14px;
  text-align: center;
  color: var(--ink-faint);
}
.account-side-nav a.active .ico,
.account-side-nav a:hover .ico { color: currentColor; }

.account-side-foot {
  padding: 16px 20px;
  border-top: 1px solid var(--rule);
}
.account-side-foot button {
  background: none;
  border: none;
  color: var(--ink-mute);
  font-family: inherit;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s ease;
}
.account-side-foot button:hover { color: var(--danger); }

/* mobile sidebar = horizontal tabs */
@media (max-width: 1024px) {
  .account-layout { grid-template-columns: 1fr; }
  .account-sidebar { position: static; }
  .account-side-nav {
    flex-direction: row;
    overflow-x: auto;
    border-top: 1px solid var(--rule);
  }
  .account-side-nav a {
    flex-shrink: 0;
    border-left: none;
    border-bottom: 2px solid transparent;
  }
  .account-side-nav a.active {
    border-left: none;
    border-bottom-color: var(--accent);
  }
  .account-side-foot { display: none; }
}

/* dashboard stat cards */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}
@media (max-width: 900px) { .stat-row { grid-template-columns: 1fr; } }

.stat-card {
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.stat-card .stat-label {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.stat-card .stat-label > svg { color: var(--accent); }
.stat-card .stat-main {
  display: flex;
  align-items: center;
  gap: 16px;
}
.stat-card .stat-value {
  font-family: 'Space Mono', monospace;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.stat-card .stat-value .unit {
  font-size: 14px;
  color: var(--ink-mute);
  font-weight: 400;
  margin-left: 4px;
}
.stat-card .stat-foot {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}
.stat-card .stat-foot .ok { color: var(--accent); }

/* sub url row */
.sub-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.sub-row .sub-url {
  flex: 1;
  background: var(--bg-3);
  border: 1px solid var(--rule-strong);
  padding: 14px 16px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  word-break: break-all;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sub-row .icon-btn {
  padding: 0 16px;
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.sub-row .icon-btn:hover { border-color: var(--accent); color: var(--accent); }

.export-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 14px;
}
.export-btn {
  padding: 12px 6px;
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
}
.export-btn:hover { border-color: var(--accent); color: var(--accent); }
.export-btn small { display: block; font-size: 10px; color: var(--ink-mute); margin-top: 3px; }

@media (max-width: 640px) { .export-row { grid-template-columns: repeat(2, 1fr); } }

/* download platform grid */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}
.platform-cell {
  padding: 18px 8px;
  background: var(--bg-3);
  border: 1px solid transparent;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.platform-cell:hover {
  border-color: var(--accent);
  background: var(--accent-faint);
  color: var(--accent);
}
.platform-cell .pico {
  font-size: 20px;
  line-height: 1;
}
.platform-cell .pname {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 768px) { .platform-grid { grid-template-columns: repeat(3, 1fr); } }

/* device list */
.device-list {
  display: flex;
  flex-direction: column;
}
.device-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}
.device-item:last-child { border-bottom: none; }
.device-item .dico {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-3);
  border: 1px solid var(--rule-strong);
  font-size: 16px;
}
.device-item .dmeta { flex: 1; }
.device-item .dname {
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}
.device-item .dinfo {
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}

/* order table */
.order-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.order-table th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding: 12px 12px;
  border-bottom: 1px solid var(--rule-strong);
  font-weight: 500;
}
.order-table td {
  padding: 16px 12px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  letter-spacing: 0.02em;
}
.order-table tr:hover td { background: var(--bg-3); }
.order-table .num { font-family: 'Space Mono', monospace; font-variant-numeric: tabular-nums; }

/* referral block */
.referral-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
}
@media (max-width: 768px) { .referral-grid { grid-template-columns: 1fr; } }
.ref-stat {
  background: var(--bg-3);
  border: 1px solid var(--rule);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ref-stat .v {
  font-family: 'Space Mono', monospace;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.ref-stat .l {
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ──────────────────────────────────────────────────────────────
   PAGE: DOWNLOAD
   ────────────────────────────────────────────────────────────── */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .dl-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .dl-grid { grid-template-columns: 1fr; } }

.dl-card {
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 28px 24px;
  position: relative;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.dl-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.dl-card .dl-icon {
  font-size: 32px;
  line-height: 1;
}
.dl-card .dl-name {
  font-family: 'Space Mono', monospace;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
:root[data-lang="zh"] .dl-card .dl-name { font-family: 'Noto Sans SC', sans-serif; }
.dl-card .dl-meta {
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.dl-card .dl-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
}

.dl-version-bar {
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}
.dl-version-bar .vinfo {
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  letter-spacing: 0.05em;
}
.dl-version-bar .vinfo .v { color: var(--accent); }
.dl-version-bar .vmeta {
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
}

.dl-quickstart {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 48px 0 32px;
}
@media (max-width: 768px) { .dl-quickstart { grid-template-columns: 1fr; } }
.dl-qs {
  background: var(--bg-2);
  border: 1px solid var(--rule);
  padding: 24px;
}
.dl-qs .num {
  font-family: 'Space Mono', monospace;
  font-size: 48px;
  color: var(--ink-faint);
  line-height: 1;
  margin-bottom: 12px;
}
.dl-qs h4 {
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
:root[data-lang="zh"] .dl-qs h4 { font-family: 'Noto Sans SC', sans-serif; }
.dl-qs p { font-size: 13px; color: var(--ink-mute); line-height: 1.7; }

/* ──────────────────────────────────────────────────────────────
   PAGE: LOGIN
   ────────────────────────────────────────────────────────────── */
.login-wrap {
  max-width: 480px;
  margin: 80px auto;
  padding: 0 20px;
}
.login-card {
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 40px 36px;
  position: relative;
}
.login-card::before,
.login-card::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--accent);
}
.login-card::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.login-card::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.login-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-bottom: 28px;
  border: 1px solid var(--rule-strong);
  padding: 4px;
}
.login-tab {
  padding: 12px 4px;
  background: transparent;
  border: none;
  color: var(--ink-mute);
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}
.login-tab:hover { color: var(--ink); }
.login-tab.active {
  background: var(--accent-faint);
  color: var(--accent);
}

.login-form {
  display: none;
  flex-direction: column;
  gap: 16px;
}
.login-form.active { display: flex; }

.login-help {
  text-align: center;
  font-size: 12px;
  color: var(--ink-mute);
  margin-top: 24px;
  letter-spacing: 0.05em;
  line-height: 1.7;
}
.login-help a { color: var(--accent); }

/* ──────────────────────────────────────────────────────────────
   PAGE: CHECKOUT SUCCESS
   ────────────────────────────────────────────────────────────── */
.success-wrap {
  max-width: 560px;
  margin: 80px auto;
  text-align: center;
  padding: 0 20px;
}
.success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border: 2px solid var(--accent);
  margin-bottom: 32px;
  font-size: 32px;
  color: var(--accent);
  position: relative;
}
.success-icon::before,
.success-icon::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent);
}
.success-icon::before { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.success-icon::after  { bottom: -2px; right: -2px; border-left: none; border-top: none; }

.success-title {
  font-family: 'Space Mono', monospace;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
:root[data-lang="zh"] .success-title { font-family: 'Noto Sans SC', sans-serif; }
.success-sub {
  font-size: 13px;
  color: var(--ink-mute);
  margin-bottom: 32px;
  line-height: 1.7;
}
.success-receipt {
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 24px;
  text-align: left;
  margin-bottom: 28px;
}
.success-receipt .r-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 12px;
  border-bottom: 1px dashed var(--rule);
}
.success-receipt .r-row:last-child { border-bottom: none; }
.success-receipt .r-row .l {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ──────────────────────────────────────────────────────────────
   PAGE: WHITEPAPER
   ────────────────────────────────────────────────────────────── */

/* reading progress bar */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  z-index: 99;
}
.read-progress > i {
  display: block;
  height: 100%;
  background: var(--accent);
  width: 0;
  transition: width 0.1s ease;
}

/* paper title / cover */
.wp-cover {
  border-bottom: 1px solid var(--rule);
  padding: 72px 40px 56px;
  text-align: center;
  position: relative;
}
.wp-cover::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.wp-meta-top {
  display: flex;
  justify-content: center;
  gap: 18px;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 28px;
}
.wp-meta-top .v { color: var(--accent); }
.wp-title {
  font-family: 'Space Mono', monospace;
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.98;
  text-transform: uppercase;
  margin-bottom: 16px;
}
:root[data-lang="zh"] .wp-title { font-family: 'Noto Sans SC', sans-serif; letter-spacing: -0.01em; }
.wp-subtitle {
  font-size: 14px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.wp-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  padding-top: 24px;
  border-top: 1px dashed var(--rule);
  max-width: 720px;
  margin: 0 auto;
}
.wp-meta-bar .k { color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.2em; }
.wp-meta-bar .v { color: var(--ink); margin-left: 6px; }

/* paper layout: TOC + body */
.wp-layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 40px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
  align-items: start;
}

@media (max-width: 1024px) {
  .wp-layout { grid-template-columns: 1fr; gap: 32px; padding: 40px 20px; }
}

.wp-toc {
  position: sticky;
  top: 88px;
  font-size: 11px;
}
.wp-toc-head {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.wp-toc-head::before { content: '// '; color: var(--accent); }
.wp-toc-list {
  display: flex;
  flex-direction: column;
  list-style: none;
}
.wp-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  color: var(--ink-mute);
  font-size: 13px;
  letter-spacing: 0.02em;
  border-left: 2px solid transparent;
  padding-left: 12px;
  margin-left: -12px;
  transition: all 0.2s ease;
  line-height: 1.4;
}
.wp-toc-list a:hover { color: var(--ink); }
.wp-toc-list a.active {
  color: var(--accent);
  border-left-color: var(--accent);
}
.wp-toc-list .sec-num {
  font-family: 'Space Mono', monospace;
  color: var(--ink-faint);
  font-size: 10px;
  flex-shrink: 0;
  width: 22px;
}
.wp-toc-list a.active .sec-num { color: var(--accent); }

@media (max-width: 1024px) {
  .wp-toc {
    position: static;
    background: var(--bg-2);
    border: 1px solid var(--rule-strong);
    padding: 18px 20px;
  }
}

/* paper body — typography */
.wp-body {
  max-width: 740px;
  font-size: 16px;
  line-height: 1.85;
}
:root[data-lang="zh"] .wp-body { font-size: 16px; line-height: 1.95; }
.wp-body section { margin-bottom: 72px; scroll-margin-top: 100px; }
.wp-body section:last-of-type { margin-bottom: 0; }

.wp-section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.wp-section-num {
  font-family: 'Space Mono', monospace;
  font-size: 16px;
  color: var(--accent);
  letter-spacing: 0.05em;
  font-weight: 700;
}
.wp-section-title {
  font-family: 'Space Mono', monospace;
  font-size: 26px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--ink);
}
:root[data-lang="zh"] .wp-section-title { font-family: 'Noto Sans SC', sans-serif; letter-spacing: 0; }

.wp-body p {
  margin-bottom: 18px;
  color: var(--ink);
}
:root[data-lang="zh"] .wp-body p { line-height: 1.95; }
.wp-body p.lead {
  font-size: 18px;
  color: var(--ink);
  line-height: 1.75;
  padding-left: 20px;
  border-left: 2px solid var(--accent);
}

/* code block (for the ASCII diagram) */
.wp-code {
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 24px;
  margin: 28px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink);
  overflow-x: auto;
  white-space: pre;
  position: relative;
}
.wp-code::before {
  content: 'FIG.';
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
}

/* key params callout */
.wp-params {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule-strong);
  margin: 28px 0;
}
.wp-param {
  background: var(--bg);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.wp-param .k {
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.wp-param .v {
  font-family: 'Space Mono', monospace;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
}
@media (max-width: 720px) {
  .wp-params { grid-template-columns: repeat(2, 1fr); }
}

/* roadmap visual */
.wp-roadmap {
  margin: 24px 0;
  position: relative;
}
.wp-roadmap::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: var(--rule-strong);
}
.wp-phase {
  position: relative;
  padding: 8px 0 24px 40px;
}
.wp-phase::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 14px;
  width: 11px;
  height: 11px;
  background: var(--bg);
  border: 2px solid var(--accent);
}
.wp-phase.shipped::before {
  background: var(--accent);
}
.wp-phase.now::before {
  box-shadow: 0 0 0 4px var(--accent-faint);
  animation: pulse 2s infinite;
}
.wp-phase-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.wp-phase-num {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.wp-phase-date {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.wp-phase-title {
  font-family: 'Space Mono', monospace;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
:root[data-lang="zh"] .wp-phase-title { font-family: 'Noto Sans SC', sans-serif; letter-spacing: 0; }
.wp-phase-desc {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.7;
}

/* references list */
.wp-refs {
  list-style: none;
  counter-reset: ref;
  padding: 0;
  font-size: 14px;
}
.wp-refs li {
  counter-increment: ref;
  padding: 10px 0 10px 36px;
  border-bottom: 1px dashed var(--rule);
  color: var(--ink-mute);
  line-height: 1.6;
  position: relative;
}
.wp-refs li:last-child { border-bottom: none; }
.wp-refs li::before {
  content: '[' counter(ref) ']';
  position: absolute;
  left: 0;
  top: 10px;
  font-family: 'Space Mono', monospace;
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.05em;
}

/* ───── New whitepaper components ───── */

/* sub-section h3 */
.wp-subhead {
  font-family: 'Space Mono', monospace;
  font-size: 17px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink);
  margin: 32px 0 14px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
:root[data-lang="zh"] .wp-subhead { font-family: 'Noto Sans SC', sans-serif; letter-spacing: 0.02em; }
.wp-subhead .sub-idx {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  font-weight: 400;
}
.wp-subhead .sub-ico { color: var(--accent); width: 18px; height: 18px; }

/* 3-way comparison cards (vs Tor / vs VPN / vs WireGuard) */
.wp-vs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule-strong);
  margin: 24px 0;
}
.wp-vs > div {
  background: var(--bg);
  padding: 22px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-mute);
}
.wp-vs > div strong {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
}
@media (max-width: 720px) { .wp-vs { grid-template-columns: 1fr; } }

/* protocol name banner */
.wp-naming-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: center;
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 28px;
  margin: 24px 0;
  position: relative;
}
.wp-naming-card::before,
.wp-naming-card::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--accent);
}
.wp-naming-card::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.wp-naming-card::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.wp-naming-card .ndglyph {
  font-family: 'Space Mono', monospace;
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
}
:root[data-lang="zh"] .wp-naming-card .ndglyph { font-family: 'Space Mono', monospace; }
.wp-naming-card .ndmeta .l {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 4px;
}
.wp-naming-card .ndmeta .v {
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.wp-naming-card .ndmeta .desc {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.7;
}

/* big stat callout */
.wp-bigstat {
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 32px;
  margin: 24px 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.wp-bigstat .v {
  font-family: 'Space Mono', monospace;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--accent);
  line-height: 1;
}
.wp-bigstat .v .u { font-size: 0.4em; color: var(--ink-mute); margin-left: 6px; letter-spacing: 0.1em; }
.wp-bigstat .l {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  max-width: 280px;
  line-height: 1.6;
}

/* distribution stacked bar */
.wp-dist {
  margin: 24px 0;
}
.wp-dist-bar {
  display: flex;
  height: 18px;
  border: 1px solid var(--rule-strong);
  margin-bottom: 24px;
  overflow: hidden;
}
.wp-dist-bar > i {
  display: block;
  position: relative;
  transition: opacity 0.2s ease;
}
.wp-dist-bar > i:hover { opacity: 0.85; }
.wp-dist-bar > i.b1 { background: var(--accent); }
.wp-dist-bar > i.b2 { background: color-mix(in srgb, var(--accent) 70%, var(--bg)); }
.wp-dist-bar > i.b3 { background: color-mix(in srgb, var(--accent) 45%, var(--bg)); }
.wp-dist-bar > i.b4 { background: color-mix(in srgb, var(--accent) 28%, var(--bg)); }
.wp-dist-bar > i.b5 { background: color-mix(in srgb, var(--accent) 15%, var(--bg)); }

.wp-dist-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule-strong);
}
.wp-dist-row {
  background: var(--bg);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.wp-dist-row .dh {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.wp-dist-row .dh .ttl {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
:root[data-lang="zh"] .wp-dist-row .dh .ttl { font-family: 'Noto Sans SC', sans-serif; }
.wp-dist-row .dh .pct {
  font-family: 'Space Mono', monospace;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.wp-dist-row .dh .swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-right: 8px;
  vertical-align: middle;
}
.wp-dist-row.r1 .swatch { background: var(--accent); }
.wp-dist-row.r2 .swatch { background: color-mix(in srgb, var(--accent) 70%, var(--bg)); }
.wp-dist-row.r3 .swatch { background: color-mix(in srgb, var(--accent) 45%, var(--bg)); }
.wp-dist-row.r4 .swatch { background: color-mix(in srgb, var(--accent) 28%, var(--bg)); }
.wp-dist-row.r5 .swatch { background: color-mix(in srgb, var(--accent) 15%, var(--bg)); }
.wp-dist-row .tokens {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
}
.wp-dist-row .desc {
  font-size: 12px;
  color: var(--ink-mute);
  line-height: 1.6;
}
.wp-dist-row .vest {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

@media (max-width: 720px) {
  .wp-dist-list { grid-template-columns: 1fr; }
}

/* 3 revenue pillars */
.wp-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0;
}
.wp-pillar {
  background: var(--bg-2);
  border: 1px solid var(--rule-strong);
  padding: 24px 22px;
  position: relative;
  transition: border-color 0.2s ease;
}
.wp-pillar:hover { border-color: var(--accent); }
.wp-pillar .pic {
  color: var(--accent);
  margin-bottom: 14px;
}
.wp-pillar .ptitle {
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}
:root[data-lang="zh"] .wp-pillar .ptitle { font-family: 'Noto Sans SC', sans-serif; }
.wp-pillar .pmeta {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.wp-pillar .pdesc {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.7;
}
.wp-pillar ul {
  list-style: none;
  margin-top: 12px;
  padding: 0;
  font-size: 12px;
  color: var(--ink-mute);
}
.wp-pillar ul li {
  padding: 6px 0;
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}
.wp-pillar ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}

@media (max-width: 900px) {
  .wp-pillars { grid-template-columns: 1fr; }
}

/* forecast table */
.wp-forecast {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
}
.wp-forecast th {
  text-align: right;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding: 12px 10px;
  border-bottom: 1px solid var(--rule-strong);
  font-weight: 500;
  font-family: inherit;
}
.wp-forecast th:first-child { text-align: left; }
.wp-forecast td {
  padding: 14px 10px;
  border-bottom: 1px solid var(--rule);
  text-align: right;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.wp-forecast td:first-child {
  text-align: left;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.wp-forecast tr:hover td { background: var(--bg-2); }
.wp-forecast .head-cell {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  justify-content: flex-end;
}

@media (max-width: 720px) {
  .wp-forecast { font-size: 11px; }
  .wp-forecast th, .wp-forecast td { padding: 10px 6px; }
}

/* signature footer */
.wp-sig {
  margin-top: 56px;
  padding: 24px;
  border: 1px dashed var(--rule-strong);
  background: var(--bg-2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  line-height: 1.7;
}
.wp-sig .label { color: var(--accent); }
.wp-sig .hash { color: var(--ink); word-break: break-all; }