:root,
[data-theme="dark"] {
  --yx-bg: #0a0e13;
  --yx-bg-elev: #121821;
  --yx-bg-soft: #171e29;
  --yx-line: rgba(232, 165, 75, 0.22);
  --yx-line-soft: rgba(255, 255, 255, 0.08);
  --yx-text: #eaeff7;
  --yx-muted: #97a3b6;
  --yx-amber: #e8a54b;
  --yx-amber-2: #f0b85f;
  --yx-amber-3: #ffd089;
  --yx-amber-soft: rgba(232, 165, 75, 0.14);
  --yx-amber-strong: #f0b85f;
  --yx-amber-grad: linear-gradient(135deg, #ffd089 0%, #f0b85f 38%, #e8a54b 68%, #c9842f 100%);
  --yx-ink: #070a0e;
  --yx-header-bg: rgba(10, 14, 19, 0.72);
  --yx-panel-grad: linear-gradient(180deg, rgba(23, 30, 41, 0.95), rgba(12, 16, 22, 0.92));
  --yx-feature-bg: rgba(18, 24, 33, 0.6);
  --yx-card-bg: rgba(18, 24, 33, 0.82);
  --yx-grid-line: rgba(255, 255, 255, 0.035);
  --yx-glow-a: rgba(232, 165, 75, 0.14);
  --yx-glow-b: rgba(90, 140, 180, 0.09);
  --yx-shadow: rgba(0, 0, 0, 0.4);
  --yx-shadow-soft: rgba(0, 0, 0, 0.25);
  --yx-ring: 0 0 0 1px rgba(232, 165, 75, 0.16);
  --yx-radius: 14px;
  --yx-font: "Outfit", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --yx-max: 1120px;
}

[data-theme="light"] {
  --yx-bg: #f5f7fa;
  --yx-bg-elev: #ffffff;
  --yx-bg-soft: #eef1f6;
  --yx-line: rgba(184, 115, 46, 0.3);
  --yx-line-soft: rgba(15, 23, 42, 0.1);
  --yx-text: #131a23;
  --yx-muted: #5a6678;
  --yx-amber: #c9842f;
  --yx-amber-2: #d9953f;
  --yx-amber-3: #b8732e;
  --yx-amber-soft: rgba(201, 132, 47, 0.12);
  --yx-amber-strong: #a86b1e;
  --yx-amber-grad: linear-gradient(135deg, #d9953f 0%, #c9842f 50%, #a86b1e 100%);
  --yx-ink: #ffffff;
  --yx-header-bg: rgba(245, 247, 250, 0.86);
  --yx-panel-grad: linear-gradient(180deg, #ffffff, #eef1f6);
  --yx-feature-bg: rgba(255, 255, 255, 0.9);
  --yx-card-bg: rgba(255, 255, 255, 0.96);
  --yx-grid-line: rgba(15, 23, 42, 0.05);
  --yx-glow-a: rgba(201, 132, 47, 0.1);
  --yx-glow-b: rgba(90, 140, 180, 0.08);
  --yx-shadow: rgba(15, 23, 42, 0.1);
  --yx-shadow-soft: rgba(15, 23, 42, 0.06);
  --yx-ring: 0 0 0 1px rgba(184, 115, 46, 0.2);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.yx-body {
  margin: 0;
  min-height: 100vh;
  color: var(--yx-text);
  background:
    radial-gradient(1100px 560px at 8% -12%, var(--yx-glow-a), transparent 55%),
    radial-gradient(820px 460px at 92% -4%, var(--yx-glow-b), transparent 52%),
    radial-gradient(900px 700px at 50% 118%, rgba(232, 165, 75, 0.05), transparent 60%),
    var(--yx-bg);
  font-family: var(--yx-font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.25s ease, color 0.25s ease;
}

body.yx-body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.yx-grid {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--yx-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--yx-grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  animation: yx-grid-drift 28s linear infinite;
  opacity: 0.55;
}

@keyframes yx-grid-drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 48px 48px, 48px 48px; }
}

.yx-wrap {
  width: min(100% - 2.5rem, var(--yx-max));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.yx-narrow {
  width: min(100% - 2.5rem, 560px);
}

.yx-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: var(--yx-header-bg);
  border-bottom: 1px solid var(--yx-line-soft);
}

.yx-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.yx-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem 1rem;
  min-width: 0;
}

.yx-theme-toggle {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-amber-soft);
  color: var(--yx-amber-strong);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  line-height: 1;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.yx-theme-toggle:hover {
  border-color: var(--yx-line);
  transform: translateY(-1px);
}

.yx-theme-icon-sun { display: none; }
.yx-theme-icon-moon { display: inline; }

[data-theme="light"] .yx-theme-icon-sun { display: inline; }
[data-theme="light"] .yx-theme-icon-moon { display: none; }

/* ---------- Account widget (top-right) ---------- */
.yx-account {
  position: relative;
  flex: 0 0 auto;
}

.yx-account-guest {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.yx-account-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--yx-muted);
  padding: 0.35rem 0.45rem;
}

.yx-account-link:hover {
  color: var(--yx-text);
}

.yx-account-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  max-width: 220px;
  min-height: 42px;
  padding: 0.3rem 0.65rem 0.3rem 0.35rem;
  border-radius: 999px;
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-feature-bg);
  color: var(--yx-text);
  cursor: pointer;
  font: inherit;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.yx-account-btn:hover,
.yx-account-btn[aria-expanded="true"] {
  border-color: var(--yx-line);
  background: var(--yx-amber-soft);
}

.yx-account-avatar {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--yx-amber), #b8732e);
  color: #0b0f14;
  font-size: 0.85rem;
  font-weight: 700;
  flex: 0 0 auto;
}

.yx-account-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  line-height: 1.15;
}

.yx-account-name {
  font-size: 0.86rem;
  font-weight: 600;
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.yx-account-badge {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--yx-amber-strong);
  letter-spacing: 0.02em;
}

.yx-account-caret {
  color: var(--yx-muted);
  font-size: 0.75rem;
  margin-left: 0.1rem;
}

.yx-account-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.45rem);
  width: min(260px, calc(100vw - 2rem));
  padding: 0.45rem;
  border-radius: 14px;
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-card-bg);
  box-shadow: 0 16px 40px var(--yx-shadow);
  display: grid;
  gap: 0.15rem;
  z-index: 40;
}

.yx-account-menu[hidden] {
  display: none !important;
}

.yx-account-menu-head {
  display: grid;
  gap: 0.15rem;
  padding: 0.55rem 0.7rem 0.7rem;
  border-bottom: 1px solid var(--yx-line-soft);
  margin-bottom: 0.25rem;
}

.yx-account-menu-head strong {
  font-size: 0.95rem;
}

.yx-account-menu-head span {
  font-size: 0.78rem;
  color: var(--yx-muted);
  word-break: break-all;
}

.yx-account-menu a,
.yx-account-logout {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 0;
  background: transparent;
  color: var(--yx-text);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.yx-account-menu a:hover,
.yx-account-logout:hover {
  background: var(--yx-amber-soft);
  color: var(--yx-amber-strong);
}

.yx-account-logout {
  margin-top: 0.15rem;
  color: var(--yx-muted);
  border-top: 1px solid var(--yx-line-soft);
  border-radius: 0 0 10px 10px;
}

.yx-account-user[hidden],
.yx-account-guest[hidden] {
  display: none !important;
}

.yx-hero-note {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--yx-muted);
}

.yx-hero-note a {
  color: var(--yx-amber-strong);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.yx-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.yx-brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  object-fit: cover;
  flex: 0 0 auto;
  box-shadow: 0 0 0 1px var(--yx-line-soft);
}

.yx-brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background:
    linear-gradient(135deg, #ffd089 0%, var(--yx-amber) 55%, #b8732e 100%);
  box-shadow:
    0 0 0 1px rgba(232, 165, 75, 0.4),
    0 4px 14px rgba(232, 165, 75, 0.28);
  position: relative;
  flex: 0 0 auto;
}

.yx-brand-mark::before {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  border: 1.6px solid rgba(11, 15, 20, 0.82);
}

.yx-brand-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 52%;
  width: 0;
  height: 0;
  transform: translate(-50%, -50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 8px solid rgba(11, 15, 20, 0.82);
}

.yx-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.yx-brand-text strong {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.yx-brand-text span {
  font-size: 0.72rem;
  color: var(--yx-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.yx-nav-list {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.yx-nav-list a {
  color: var(--yx-muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.yx-nav-list a:hover {
  color: var(--yx-text);
}

.yx-nav-cta {
  display: inline-flex !important;
  align-items: center;
  padding: 0.45rem 0.95rem !important;
  border-radius: 999px;
  background: var(--yx-amber-soft);
  color: var(--yx-amber-strong) !important;
  border: 1px solid var(--yx-line);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.yx-nav-cta:hover {
  background: rgba(232, 165, 75, 0.22);
  transform: translateY(-1px);
}

.yx-main {
  position: relative;
  z-index: 1;
}

.yx-hero {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 4rem;
}

.yx-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.yx-eyebrow {
  margin: 0 0 0.85rem;
  color: var(--yx-amber);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.yx-hero-copy .yx-eyebrow,
.yx-section-head .yx-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.yx-hero-copy .yx-eyebrow::before,
.yx-section-head .yx-eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--yx-amber));
  opacity: 0.7;
}

.yx-hero-title {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.yx-hero-brand {
  font-size: clamp(2.45rem, 6.2vw, 4.25rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  background: linear-gradient(180deg, var(--yx-text) 0%, var(--yx-text) 42%, rgba(232, 165, 75, 0.72) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

[data-theme="light"] .yx-hero-brand {
  background: linear-gradient(180deg, var(--yx-text) 0%, var(--yx-text) 55%, var(--yx-amber-strong) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.yx-hero-sub {
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  font-weight: 500;
  color: var(--yx-muted);
  letter-spacing: 0.01em;
}

.yx-hero-lead {
  margin: 1.25rem 0 0;
  max-width: 32rem;
  color: var(--yx-muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.yx-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.yx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.yx-btn:hover {
  transform: translateY(-1px);
}

.yx-btn-primary {
  background: linear-gradient(135deg, var(--yx-amber), #c9842f);
  color: var(--yx-ink);
}

.yx-btn-ghost {
  background: transparent;
  border-color: var(--yx-line-soft);
  color: var(--yx-text);
}

.yx-btn-ghost:hover {
  border-color: var(--yx-line);
  background: rgba(255, 255, 255, 0.03);
}

.yx-btn-text {
  background: transparent;
  color: var(--yx-muted);
  padding-inline: 0.4rem;
}

.yx-btn-text:hover {
  color: var(--yx-amber-strong);
}

.yx-btn-disabled {
  opacity: 0.55;
  pointer-events: none;
  width: 100%;
}

.yx-hero-visual {
  position: relative;
}

.yx-hero-visual::before {
  content: "";
  position: absolute;
  inset: -18% -10% -8% -10%;
  z-index: -1;
  background:
    radial-gradient(60% 50% at 70% 20%, rgba(232, 165, 75, 0.22), transparent 70%),
    radial-gradient(50% 60% at 20% 90%, rgba(90, 140, 180, 0.14), transparent 70%);
  filter: blur(8px);
  pointer-events: none;
}

.yx-panel {
  position: relative;
  border: 1px solid var(--yx-line-soft);
  border-radius: calc(var(--yx-radius) + 6px);
  background: var(--yx-panel-grad);
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.04) inset,
    0 30px 70px -20px var(--yx-shadow),
    0 12px 30px -16px rgba(232, 165, 75, 0.18);
}

.yx-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(150deg, rgba(232, 165, 75, 0.4), transparent 30%, transparent 70%, rgba(232, 165, 75, 0.18));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.8;
}

.yx-panel-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--yx-line-soft);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.yx-panel-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3a4452;
}

.yx-panel-bar span:nth-child(1) { background: #6b7380; }
.yx-panel-bar span:nth-child(2) { background: #8a6a3d; }
.yx-panel-bar span:nth-child(3) { background: #a8874a; }

.yx-panel-bar em {
  margin-left: auto;
  font-style: normal;
  font-size: 0.72rem;
  color: var(--yx-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.yx-panel-body {
  position: relative;
  padding: 1.25rem;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.yx-panel-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  align-self: flex-start;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--yx-line-soft);
  background: rgba(255, 255, 255, 0.03);
  color: var(--yx-muted);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.yx-panel-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #9fd4b0;
  box-shadow: 0 0 8px rgba(159, 212, 176, 0.6);
  animation: yx-pulse 2s ease-in-out infinite;
}

.yx-panel-tool {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--yx-line-soft);
  background: rgba(0, 0, 0, 0.2);
  font-size: 0.76rem;
}

.yx-panel-tool-name {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  color: var(--yx-amber-strong);
}

.yx-panel-tool-meta {
  color: var(--yx-muted);
}

.yx-chat-line {
  max-width: 92%;
  padding: 0.75rem 0.95rem;
  border-radius: 13px;
  font-size: 0.92rem;
  position: relative;
}

.yx-chat-user {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(232, 165, 75, 0.16), rgba(232, 165, 75, 0.08));
  border: 1px solid var(--yx-line);
  color: var(--yx-text);
  box-shadow: 0 4px 14px -6px rgba(232, 165, 75, 0.25);
}

.yx-chat-agent {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--yx-line-soft);
  color: var(--yx-muted);
}

.yx-chat-agent::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yx-amber);
  margin-right: 0.5rem;
  vertical-align: middle;
  box-shadow: 0 0 8px rgba(232, 165, 75, 0.6);
}

.yx-rail {
  display: flex;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.35rem;
  border-top: 1px dashed var(--yx-line-soft);
}

.yx-rail-item {
  flex: 1;
  text-align: center;
  padding: 0.55rem 0.4rem;
  border-radius: 10px;
  border: 1px solid var(--yx-line-soft);
  color: var(--yx-muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  font-weight: 600;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.yx-rail-item.is-active {
  color: var(--yx-amber-strong);
  border-color: var(--yx-line);
  background: var(--yx-amber-soft);
  box-shadow: 0 0 0 1px rgba(232, 165, 75, 0.12), 0 6px 16px -8px rgba(232, 165, 75, 0.3);
}

.yx-scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(232, 165, 75, 0.55), transparent);
  animation: yx-scan 4.5s ease-in-out infinite;
  opacity: 0.7;
}

@keyframes yx-scan {
  0%, 100% { top: 18%; opacity: 0; }
  15% { opacity: 0.7; }
  50% { top: 78%; opacity: 0.45; }
  85% { opacity: 0; }
}

.yx-section {
  padding: 4.5rem 0;
}

.yx-section-alt {
  border-top: 1px solid var(--yx-line-soft);
  border-bottom: 1px solid var(--yx-line-soft);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0) 120px),
    rgba(255, 255, 255, 0.012);
}

.yx-section-head {
  margin-bottom: 2rem;
  max-width: 36rem;
}

.yx-section-head h2,
.yx-section-head h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: 0.02em;
}

.yx-section-head p {
  margin: 0;
  color: var(--yx-muted);
}

.yx-feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.yx-feature {
  position: relative;
  padding: 1.5rem 1.55rem;
  border-radius: var(--yx-radius);
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-feature-bg);
  backdrop-filter: blur(8px);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.yx-feature::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 0% 0%, rgba(232, 165, 75, 0.1), transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.yx-feature:hover {
  border-color: var(--yx-line);
  transform: translateY(-3px);
  box-shadow: 0 16px 34px -12px var(--yx-shadow), 0 0 0 1px rgba(232, 165, 75, 0.1);
}

.yx-feature:hover::before {
  opacity: 1;
}

.yx-feature-mark {
  display: inline-block;
  margin-bottom: 0.65rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--yx-amber-strong);
  background: var(--yx-amber-soft);
  border: 1px solid var(--yx-line);
}

.yx-feature a {
  color: var(--yx-amber-strong);
  border-bottom: 1px solid transparent;
}

.yx-feature a:hover {
  border-bottom-color: var(--yx-line);
}

.yx-feature h3 {
  margin: 0 0 0.5rem;
  font-size: 1.08rem;
}

.yx-feature p {
  margin: 0;
  color: var(--yx-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.yx-feature-list-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.yx-steps-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.yx-steps-row li {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1.4rem 1.45rem;
  border-radius: var(--yx-radius);
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-feature-bg);
  backdrop-filter: blur(8px);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.yx-steps-row li:hover {
  border-color: var(--yx-line);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -14px var(--yx-shadow);
}

.yx-steps-num {
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--yx-ink);
  background: var(--yx-amber-grad);
  box-shadow: 0 4px 12px -2px rgba(232, 165, 75, 0.45);
}

.yx-steps-row h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.yx-steps-row p {
  margin: 0;
  color: var(--yx-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.yx-steps-row a {
  color: var(--yx-amber-strong);
}

.yx-guide-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 2.25rem;
}

.yx-guide-tabs a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--yx-line-soft);
  color: var(--yx-muted);
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--yx-feature-bg);
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.yx-guide-tabs a:hover {
  color: var(--yx-amber-strong);
  border-color: var(--yx-line);
  background: var(--yx-amber-soft);
}

.yx-guide-block {
  margin-bottom: 3rem;
  scroll-margin-top: 96px;
}

.yx-guide-block-head {
  margin-bottom: 1.25rem;
  max-width: 40rem;
}

.yx-guide-block-head h2 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
}

.yx-guide-block-head p {
  margin: 0;
  color: var(--yx-muted);
}

.yx-guide-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.yx-guide-cards .yx-card {
  margin: 0;
}

.yx-contact-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.yx-scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.yx-scene-list li {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px solid var(--yx-line-soft);
}

.yx-scene-list strong {
  color: var(--yx-amber-strong);
  font-weight: 600;
}

.yx-scene-list span {
  color: var(--yx-muted);
}

.yx-cta-band {
  position: relative;
  margin-top: 2.5rem;
  padding: 1.7rem 1.8rem;
  border-radius: calc(var(--yx-radius) + 4px);
  border: 1px solid var(--yx-line);
  background:
    linear-gradient(135deg, rgba(232, 165, 75, 0.14), transparent 50%),
    radial-gradient(80% 120% at 100% 0%, rgba(232, 165, 75, 0.08), transparent 60%),
    var(--yx-bg-elev);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  overflow: hidden;
  box-shadow: 0 20px 44px -22px var(--yx-shadow);
}

.yx-cta-band h2 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.yx-cta-band p {
  margin: 0;
  color: var(--yx-muted);
}

.yx-auth {
  min-height: calc(100vh - 180px);
  display: flex;
  align-items: center;
}

.yx-auth-card {
  width: 100%;
  padding: 2rem 1.75rem;
  border-radius: calc(var(--yx-radius) + 4px);
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-card-bg);
  box-shadow: 0 20px 50px var(--yx-shadow);
}
.yx-auth-card h1 {
  margin: 0 0 0.75rem;
  font-size: 2rem;
}

.yx-auth-lead {
  margin: 0;
  color: var(--yx-text);
  font-size: 1.05rem;
}

.yx-auth-note {
  margin: 0.65rem 0 0;
  color: var(--yx-muted);
  font-size: 0.92rem;
}

.yx-auth-placeholder {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.75rem;
}

.yx-field-ghost {
  height: 46px;
  border-radius: 12px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
}

.yx-auth-switch {
  margin: 1.25rem 0 0;
  color: var(--yx-muted);
  font-size: 0.9rem;
}

.yx-auth-switch a {
  color: var(--yx-amber-strong);
}

.yx-prose {
  color: var(--yx-muted);
}

.yx-prose h1,
.yx-prose h2,
.yx-prose h3 {
  color: var(--yx-text);
}

.yx-prose a,
.yx-prose-block a {
  color: var(--yx-amber-strong);
}

.yx-page .yx-section-head h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.75rem, 3.4vw, 2.35rem);
}

.yx-prose-block {
  display: grid;
  gap: 1.15rem;
}

.yx-prose-block h2 {
  margin: 0.5rem 0 0.35rem;
  font-size: 1.2rem;
  color: var(--yx-text);
}

.yx-card {
  padding: 1.45rem 1.5rem;
  border-radius: calc(var(--yx-radius) + 2px);
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-card-bg);
  backdrop-filter: blur(8px);
  box-shadow: 0 14px 34px -16px var(--yx-shadow);
}

.yx-card h1 {
  margin: 0.35rem 0 0.75rem;
  font-size: 1.85rem;
  color: var(--yx-text);
}

.yx-card h2 {
  margin: 0;
  font-size: 1.15rem;
  color: var(--yx-text);
}

.yx-card p {
  margin: 0.55rem 0 0;
  color: var(--yx-muted);
}

.yx-card-muted {
  opacity: 0.88;
}

.yx-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.yx-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--yx-line-soft);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--yx-muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.yx-badge-on {
  color: var(--yx-amber-strong);
  border-color: var(--yx-line);
  background: var(--yx-amber-soft);
}

.yx-badge-soon {
  color: #9fd4b0;
  border-color: rgba(159, 212, 176, 0.3);
  background: rgba(159, 212, 176, 0.12);
}

.yx-bullets,
.yx-steps {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
  color: var(--yx-muted);
}

.yx-bullets li,
.yx-steps li {
  margin: 0.35rem 0;
}

.yx-note {
  margin: 0.85rem 0 0;
  font-size: 0.88rem;
  color: var(--yx-muted);
}

.yx-dl-card .yx-hero-actions {
  margin-top: 1.25rem;
}

.yx-dl-meta {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0 0;
}

.yx-dl-meta > div {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
}

.yx-dl-meta dt {
  margin: 0;
  color: var(--yx-muted);
  font-size: 0.85rem;
}

.yx-dl-meta dd {
  margin: 0;
  color: var(--yx-text);
}

.yx-mono {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.84rem;
  word-break: break-all;
}

.yx-contact-email {
  margin: 0.75rem 0 0 !important;
  font-size: 1.35rem;
  font-weight: 600;
}

.yx-contact-email a {
  color: var(--yx-amber-strong);
}

.yx-app-admin-hint {
  margin-top: 1.25rem;
  font-size: 0.78rem;
  opacity: 0.75;
}

.yx-footer-mail {
  color: var(--yx-muted);
}

.yx-footer-mail:hover,
.yx-footer-meta a:hover {
  color: var(--yx-amber-strong);
}

.yx-footer-meta a {
  color: var(--yx-muted);
  transition: color 0.2s ease;
}

.yx-footer {
  border-top: 1px solid var(--yx-line-soft);
  padding: 1.9rem 0 2.2rem;
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.18));
}

.yx-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--yx-line), transparent);
  opacity: 0.6;
}

.yx-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.yx-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.yx-footer-brand strong {
  font-size: 1rem;
}

.yx-footer-brand span {
  color: var(--yx-muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.yx-footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  color: var(--yx-muted);
  font-size: 0.86rem;
}

.yx-icp {
  color: var(--yx-muted);
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.yx-icp:hover {
  color: var(--yx-amber-strong);
  border-bottom-color: var(--yx-line);
}

.yx-reveal {
  opacity: 0;
  transform: translateY(16px);
  animation: yx-rise 0.85s cubic-bezier(0.2, 0.65, 0.3, 1) forwards;
}

.yx-reveal-delay {
  animation-delay: 0.18s;
}

@keyframes yx-rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 880px) {
  .yx-hero-grid {
    grid-template-columns: 1fr;
  }

  .yx-feature-list,
  .yx-feature-list-3,
  .yx-steps-row,
  .yx-guide-cards {
    grid-template-columns: 1fr;
  }

  .yx-scene-list li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

@media (max-width: 560px) {
  .yx-header-inner {
    min-height: 64px;
  }

  .yx-hero {
    padding-top: 2.75rem;
  }

  .yx-panel-body {
    min-height: 240px;
  }
}

/* Auth forms */
.yx-auth-tabs {
  display: flex;
  gap: 0.4rem;
  margin: 1rem 0 0.25rem;
}

.yx-tab {
  flex: 1;
  min-height: 38px;
  border-radius: 999px;
  border: 1px solid var(--yx-line-soft);
  background: transparent;
  color: var(--yx-muted);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.yx-tab.is-active {
  color: var(--yx-amber-strong);
  border-color: var(--yx-line);
  background: var(--yx-amber-soft);
}

.yx-otp-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
}

.yx-otp-row .yx-btn {
  white-space: nowrap;
}

.yx-field {
  display: grid;
  gap: 0.35rem;
}

.yx-field span {
  font-size: 0.82rem;
  color: var(--yx-muted);
}

.yx-field input,
.yx-field select,
.yx-field textarea,
.yx-composer textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--yx-line-soft);
  background: rgba(255, 255, 255, 0.03);
  color: var(--yx-text);
  padding: 0.75rem 0.9rem;
  font: inherit;
}

.yx-field input:focus,
.yx-composer textarea:focus,
.yx-field select:focus {
  outline: none;
  border-color: var(--yx-line);
}

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

.yx-auth-status {
  margin: 0;
  min-height: 1.25rem;
  font-size: 0.9rem;
  color: var(--yx-muted);
}

.yx-auth-status.is-error {
  color: #f07178;
}

.yx-key-once {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--yx-line);
  background: var(--yx-amber-soft);
  display: grid;
  gap: 0.65rem;
}

.yx-key-once[hidden] {
  display: none !important;
}

.yx-key-once code {
  display: block;
  word-break: break-all;
  font-size: 0.82rem;
  color: var(--yx-amber-strong);
}

/* App workbench — Cloud Agent control plane (web + mobile) */

/* Author `display:` rules must not defeat the hidden attribute. */
.yx-app [hidden],
.page-app [hidden] {
  display: none !important;
}

/* Coming-soon /app keeps marketing chrome; preview keeps theme toggle + account */
body.yx-app-preview-mode.page-app .yx-main {
  padding: 0;
  max-width: none;
}

body.yx-app-preview-mode.page-app .yx-footer,
body.yx-app-preview-mode.page-app .yx-nav {
  display: none;
}

body.yx-app-preview-mode.page-app .yx-header {
  border-bottom-color: var(--yx-line-soft);
  background: var(--yx-header-bg);
}

body.yx-app-preview-mode.page-app .yx-header-inner {
  min-height: 56px;
}

body.yx-app-preview-mode.page-app .yx-grid {
  opacity: 0.12;
  pointer-events: none;
}

body.yx-app-soon-mode.page-app #yx-app-root {
  display: none !important;
}

.yx-app {
  --yx-wb-sessions: 260px;
  --yx-wb-activity: 300px;
  --yx-wb-top: 56px;
  --yx-wb-chrome: var(--yx-bg-elev);
  --yx-wb-side: var(--yx-bg-soft);
  --yx-wb-chat: var(--yx-bg);
  --yx-wb-card: var(--yx-card-bg);
  --yx-wb-composer: var(--yx-bg-elev);
  --yx-wb-hover: var(--yx-amber-soft);
  --yx-wb-code: rgba(0, 0, 0, 0.28);
  --yx-wb-shadow: var(--yx-shadow);
  --yx-bubble-user: var(--yx-amber-soft);
  --yx-bubble-agent: var(--yx-feature-bg);
  --yx-wb-danger-bg: rgba(180, 60, 60, 0.14);
  --yx-wb-danger-border: rgba(220, 100, 100, 0.35);
  --yx-wb-danger-text: #c45c5c;
  --yx-wb-ok: #2f8f5b;
  --yx-wb-ok-border: rgba(47, 143, 91, 0.35);
  height: calc(100dvh - var(--yx-header-h, 56px));
  min-height: 480px;
  padding: 0;
  display: flex;
  flex-direction: column;
  background: var(--yx-wb-chat);
  color: var(--yx-text);
}

[data-theme="dark"] .yx-app {
  --yx-wb-chrome: rgba(14, 18, 24, 0.96);
  --yx-wb-side: rgba(16, 21, 29, 0.98);
  --yx-wb-chat: rgba(11, 15, 20, 0.72);
  --yx-wb-card: rgba(22, 28, 38, 0.88);
  --yx-wb-composer: rgba(20, 26, 35, 0.96);
  --yx-wb-hover: rgba(255, 255, 255, 0.04);
  --yx-wb-code: rgba(0, 0, 0, 0.4);
  --yx-bubble-user: rgba(232, 165, 75, 0.16);
  --yx-bubble-agent: rgba(255, 255, 255, 0.05);
  --yx-wb-danger-text: #f0b0b0;
  --yx-wb-ok: #9fd4b0;
}

[data-theme="light"] .yx-app {
  --yx-wb-chrome: #ffffff;
  --yx-wb-side: #f3f5f9;
  --yx-wb-chat: #e9edf3;
  --yx-wb-card: #ffffff;
  --yx-wb-composer: #ffffff;
  --yx-wb-hover: rgba(15, 23, 42, 0.04);
  --yx-wb-code: rgba(15, 23, 42, 0.06);
  --yx-bubble-user: rgba(201, 132, 47, 0.14);
  --yx-bubble-agent: #ffffff;
  --yx-wb-danger-text: #b23b3b;
  --yx-wb-ok: #2f8f5b;
}

.yx-app-gate {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 2rem 1.25rem;
  background: var(--yx-wb-chat);
}

.yx-app-gate-card {
  width: min(100%, 420px);
  padding: 1.75rem;
  border: 1px solid var(--yx-line-soft);
  border-radius: calc(var(--yx-radius) + 4px);
  background: var(--yx-wb-card);
  box-shadow: 0 16px 40px var(--yx-wb-shadow);
}

.yx-app-gate-card h1 {
  margin: 0.35rem 0 0.75rem;
  font-size: 1.65rem;
}

.yx-app-workbench {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--yx-wb-chat);
}

.yx-wb-top {
  flex: 0 0 auto;
  height: var(--yx-wb-top);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0 0.95rem;
  border-bottom: 1px solid var(--yx-line-soft);
  background: var(--yx-wb-chrome);
  backdrop-filter: blur(12px);
}

.yx-wb-top-left,
.yx-wb-top-right {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
}

.yx-wb-brand {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}

.yx-wb-brand .yx-eyebrow {
  margin: 0;
  font-size: 0.65rem;
}

.yx-wb-brand strong {
  font-size: 0.95rem;
  font-weight: 600;
}

.yx-wb-user {
  color: var(--yx-muted);
  font-size: 0.82rem;
  max-width: 10rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.yx-wb-icon-btn {
  min-height: 40px;
  padding: 0.4rem 0.7rem;
}

#yx-sessions-toggle {
  display: none;
}

.yx-run-badge,
.yx-conn-pill,
.yx-count-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--yx-line-soft);
  font-size: 0.72rem;
  color: var(--yx-muted);
  white-space: nowrap;
}

.yx-run-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yx-muted);
}

.yx-run-badge[data-state="running"] {
  color: var(--yx-amber-strong);
  border-color: var(--yx-line);
  background: var(--yx-amber-soft);
}

.yx-run-badge[data-state="running"]::before {
  background: var(--yx-amber);
  animation: yx-pulse 1.2s ease-in-out infinite;
}

.yx-run-badge[data-state="waiting_approval"] {
  color: var(--yx-amber-strong);
  border-color: var(--yx-line);
  background: var(--yx-amber-soft);
}

.yx-run-badge[data-state="waiting_approval"]::before {
  background: var(--yx-amber-strong);
}

.yx-run-badge[data-state="error"] {
  color: var(--yx-wb-danger-text);
  border-color: var(--yx-wb-danger-border);
  background: var(--yx-wb-danger-bg);
}

.yx-run-badge[data-state="error"]::before {
  background: var(--yx-wb-danger-text);
}

.yx-conn-pill.is-error {
  color: var(--yx-wb-danger-text);
  border-color: var(--yx-wb-danger-border);
  background: var(--yx-wb-danger-bg);
}

.yx-conn-pill.is-ok {
  color: var(--yx-wb-ok);
  border-color: var(--yx-wb-ok-border);
  background: rgba(47, 143, 91, 0.08);
}

.yx-run-badge[data-state="idle"] {
  color: var(--yx-muted);
  background: var(--yx-wb-hover);
}

@keyframes yx-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

.yx-wb-body {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: var(--yx-wb-sessions) minmax(0, 1fr) var(--yx-wb-activity);
}

.yx-wb-sessions {
  border-right: 1px solid var(--yx-line-soft);
  background: var(--yx-wb-side);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.yx-wb-sessions-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--yx-line-soft);
}

.yx-btn-sm {
  min-height: 36px;
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
}

.yx-session-list {
  flex: 1;
  overflow: auto;
  padding: 0.4rem;
  -webkit-overflow-scrolling: touch;
}

.yx-session-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.25rem 0.5rem;
  width: 100%;
  text-align: left;
  padding: 0.65rem 0.7rem;
  margin-bottom: 0.25rem;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--yx-text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.yx-session-item:hover {
  background: var(--yx-wb-hover);
  border-color: var(--yx-line-soft);
}

.yx-session-item.is-active {
  background: var(--yx-amber-soft);
  border-color: var(--yx-line);
}

.yx-session-title {
  font-size: 0.88rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.yx-session-meta {
  grid-column: 1;
  font-size: 0.72rem;
  color: var(--yx-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.yx-session-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yx-amber);
  flex-shrink: 0;
}

.yx-session-del {
  grid-row: 1 / span 2;
  align-self: center;
  opacity: 0;
  border: 0;
  background: transparent;
  color: var(--yx-muted);
  cursor: pointer;
  padding: 0.35rem;
  min-width: 36px;
  min-height: 36px;
  border-radius: 8px;
}

.yx-session-item:hover .yx-session-del,
.yx-session-item:focus-within .yx-session-del {
  opacity: 1;
}

.yx-session-del:hover {
  color: var(--yx-wb-danger-text);
  background: var(--yx-wb-danger-bg);
}

.yx-wb-sessions-backdrop {
  display: none;
}

.yx-wb-chat {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(700px 280px at 50% 0%, var(--yx-glow-a), transparent 60%),
    var(--yx-wb-chat);
}

.yx-mobile-tabs {
  display: none;
}

.yx-chat-pane {
  flex: 1;
  min-height: 0;
  position: relative;
  display: flex;
  flex-direction: column;
}

.yx-chat-box {
  flex: 1;
  overflow: auto;
  padding: 1rem 1.1rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  -webkit-overflow-scrolling: touch;
}

.yx-bubble {
  max-width: min(92%, 640px);
  padding: 0.75rem 0.9rem;
  border-radius: 14px;
  border: 1px solid var(--yx-line-soft);
  animation: yx-bubble-in 0.22s ease;
  word-break: break-word;
}

@keyframes yx-bubble-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .yx-bubble { animation: none; }
  .yx-run-badge[data-state="running"]::before { animation: none; }
}

.yx-bubble-user {
  align-self: flex-end;
  background: var(--yx-bubble-user);
  border-color: var(--yx-line);
}

.yx-bubble-agent {
  align-self: flex-start;
  background: var(--yx-bubble-agent);
}

.yx-bubble-meta {
  align-self: center;
  max-width: 90%;
  padding: 0.35rem 0.7rem;
  border: 0;
  background: transparent;
  color: var(--yx-muted);
  font-size: 0.78rem;
  animation: none;
}

.yx-bubble-label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.7rem;
  color: var(--yx-muted);
  letter-spacing: 0.02em;
}

.yx-md {
  font-size: 0.92rem;
  line-height: 1.55;
}

.yx-md p { margin: 0 0 0.55rem; }
.yx-md p:last-child { margin-bottom: 0; }
.yx-md ul, .yx-md ol { margin: 0.35rem 0 0.55rem; padding-left: 1.2rem; }
.yx-md code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.84em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: var(--yx-wb-code);
}

.yx-md pre {
  position: relative;
  margin: 0.5rem 0;
  padding: 0.75rem;
  border-radius: 10px;
  background: var(--yx-wb-code);
  border: 1px solid var(--yx-line-soft);
  overflow: auto;
  font-size: 0.82rem;
}

.yx-md pre code {
  padding: 0;
  background: none;
}

.yx-code-copy {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  font-size: 0.7rem;
  padding: 0.25rem 0.45rem;
  min-height: 28px;
  border-radius: 6px;
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-wb-composer);
  color: var(--yx-muted);
  cursor: pointer;
}

.yx-tool-card {
  align-self: stretch;
  max-width: min(96%, 680px);
  border: 1px solid var(--yx-line-soft);
  border-radius: 12px;
  background: var(--yx-wb-card);
  overflow: hidden;
}

.yx-tool-card summary {
  cursor: pointer;
  padding: 0.65rem 0.85rem;
  font-size: 0.85rem;
  color: var(--yx-muted);
  list-style: none;
}

.yx-tool-card summary::-webkit-details-marker { display: none; }

.yx-tool-card pre {
  margin: 0;
  padding: 0.65rem 0.85rem 0.85rem;
  border-top: 1px solid var(--yx-line-soft);
  max-height: 200px;
  overflow: auto;
  font-size: 0.78rem;
  color: var(--yx-muted);
}

.yx-thinking {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  border: 1px dashed var(--yx-line);
  color: var(--yx-amber-strong);
  font-size: 0.82rem;
  background: var(--yx-amber-soft);
}

.yx-thinking-dots span {
  display: inline-block;
  width: 4px;
  height: 4px;
  margin-left: 2px;
  border-radius: 50%;
  background: var(--yx-amber);
  animation: yx-dot 1s infinite ease-in-out;
}

.yx-thinking-dots span:nth-child(2) { animation-delay: 0.15s; }
.yx-thinking-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes yx-dot {
  0%, 80%, 100% { opacity: 0.25; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-2px); }
}

.yx-empty-state {
  margin: auto;
  text-align: center;
  padding: 2.25rem 1.5rem;
  max-width: 380px;
  border: 1px solid var(--yx-line-soft);
  border-radius: calc(var(--yx-radius) + 4px);
  background: var(--yx-wb-card);
  box-shadow: 0 10px 28px var(--yx-wb-shadow);
}

.yx-empty-state h2 {
  margin: 0.35rem 0 0.5rem;
  font-size: 1.25rem;
  color: var(--yx-text);
}

.yx-empty-state p:last-child {
  margin: 0;
  color: var(--yx-muted);
  font-size: 0.9rem;
}

.yx-empty-hint {
  margin: 0;
  color: var(--yx-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

[data-theme="light"] .yx-empty-hint,
[data-theme="light"] .yx-panel-hint,
[data-theme="light"] .yx-wb-user {
  color: #5a6474;
}

.yx-skel-stack {
  display: grid;
  gap: 0.55rem;
  padding: 0.75rem;
}

.yx-skel {
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--yx-wb-hover), var(--yx-amber-soft), var(--yx-wb-hover));
  background-size: 200% 100%;
  animation: yx-skel 1.2s linear infinite;
}

.yx-skel-wide { height: 64px; }

.yx-chat-skel { padding: 1rem; }

@keyframes yx-skel {
  to { background-position: -200% 0; }
}

.yx-composer {
  flex: 0 0 auto;
  margin: 0.5rem 0.85rem calc(0.65rem + env(safe-area-inset-bottom, 0px));
  padding: 0.75rem;
  border: 1px solid var(--yx-line-soft);
  border-radius: calc(var(--yx-radius) + 2px);
  background: var(--yx-wb-composer);
  display: grid;
  gap: 0.55rem;
  box-shadow: 0 10px 30px var(--yx-wb-shadow);
}

.yx-composer textarea {
  width: 100%;
  resize: none;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--yx-text);
  font: inherit;
  line-height: 1.45;
  min-height: 52px;
  max-height: 160px;
}

.yx-composer-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.yx-composer-model {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
}

.yx-model-picker {
  display: inline-flex;
  align-items: center;
  max-width: min(100%, 280px);
  min-height: 36px;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-wb-hover);
  color: var(--yx-text);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.yx-model-picker:hover,
.yx-model-picker[aria-expanded="true"] {
  border-color: var(--yx-line);
  background: var(--yx-amber-soft);
  color: var(--yx-amber-strong);
}

.yx-model-panel {
  position: absolute;
  left: 0;
  bottom: calc(100% + 0.5rem);
  width: min(320px, calc(100vw - 2.5rem));
  padding: 0.9rem;
  border-radius: 14px;
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-wb-composer);
  box-shadow: 0 16px 40px var(--yx-wb-shadow);
  display: grid;
  gap: 0.65rem;
  z-index: 30;
}

.yx-model-panel[hidden] {
  display: none !important;
}

.yx-model-panel-title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
}

.yx-model-panel .yx-field select,
.yx-model-panel .yx-field input {
  background: var(--yx-wb-chat);
}

.yx-model-panel-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.45rem;
}

.yx-composer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-left: auto;
}

.yx-composer-actions .yx-btn {
  min-height: 40px;
  min-width: 40px;
}

.yx-wb-top-right {
  display: none;
}

.yx-btn-danger {
  border: 1px solid var(--yx-wb-danger-border);
  background: var(--yx-wb-danger-bg);
  color: var(--yx-wb-danger-text);
}

.yx-btn-danger:hover {
  filter: brightness(0.97);
  border-color: var(--yx-wb-danger-text);
}

.yx-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.yx-wb-activity {
  border-left: 1px solid var(--yx-line-soft);
  background: var(--yx-wb-side);
  overflow: auto;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  -webkit-overflow-scrolling: touch;
}

.yx-activity-section {
  padding: 0.85rem;
  border: 1px solid var(--yx-line-soft);
  border-radius: 12px;
  background: var(--yx-wb-card);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}

.yx-activity-section.is-muted {
  opacity: 1;
}

.yx-activity-section.has-todo {
  border-color: var(--yx-line);
  background: var(--yx-amber-soft);
  animation: yx-badge-pop 0.25s ease;
}

@keyframes yx-badge-pop {
  from { transform: scale(0.98); }
  to { transform: scale(1); }
}

.yx-panel-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  margin-bottom: 0.55rem;
}

.yx-panel-sub {
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--yx-line-soft);
}

.yx-panel-hint {
  font-size: 0.72rem;
  color: var(--yx-muted);
}

.yx-count-badge {
  background: var(--yx-amber-soft);
  color: var(--yx-amber-strong);
  border-color: var(--yx-line);
}

.yx-activity-body {
  display: grid;
  gap: 0.55rem;
}

.yx-side-item {
  padding: 0.55rem 0 0;
  border-top: 1px solid var(--yx-line-soft);
  font-size: 0.86rem;
  color: var(--yx-muted);
}

.yx-side-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.yx-side-item strong {
  display: block;
  color: var(--yx-text);
  font-size: 0.88rem;
  margin-bottom: 0.25rem;
  word-break: break-all;
}

.yx-diff-pre {
  margin: 0.45rem 0;
  padding: 0.55rem;
  max-height: 180px;
  overflow: auto;
  border-radius: 8px;
  background: var(--yx-wb-code);
  border: 1px solid var(--yx-line-soft);
  font-size: 0.72rem;
  line-height: 1.4;
  white-space: pre-wrap;
  color: var(--yx-text);
}

.yx-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.45rem;
}

.yx-chip {
  min-height: 36px;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--yx-line-soft);
  background: rgba(255, 255, 255, 0.04);
  color: var(--yx-text);
  cursor: pointer;
  font-size: 0.8rem;
}

.yx-chip:hover {
  border-color: var(--yx-line);
  background: var(--yx-amber-soft);
}

.yx-clarify-free {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.yx-clarify-free input {
  flex: 1;
  min-height: 40px;
  border-radius: 8px;
  border: 1px solid var(--yx-line-soft);
  background: rgba(0, 0, 0, 0.25);
  color: var(--yx-text);
  padding: 0.35rem 0.6rem;
  font: inherit;
}

.yx-job-item {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.82rem;
}

.yx-job-item button {
  border: 0;
  background: none;
  color: var(--yx-amber-strong);
  cursor: pointer;
  font: inherit;
  padding: 0;
  text-decoration: underline;
}

.yx-toast {
  position: fixed;
  top: calc(var(--yx-header-h, 56px) + 0.75rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  max-width: min(92vw, 420px);
  padding: 0.7rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--yx-line);
  background: var(--yx-wb-composer, var(--yx-bg-elev));
  color: var(--yx-text);
  font-size: 0.88rem;
  box-shadow: 0 12px 32px var(--yx-shadow);
}

.yx-toast.is-error {
  border-color: var(--yx-wb-danger-border, rgba(220, 100, 100, 0.45));
  color: var(--yx-wb-danger-text, #c45c5c);
  background: var(--yx-wb-card, var(--yx-bg-elev));
}

.yx-confirm {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.55);
  padding: 1rem;
}

.yx-confirm-card {
  width: min(100%, 360px);
  padding: 1.25rem;
  border-radius: 14px;
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-bg-elev);
}

.yx-confirm-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.yx-confirm-card p {
  margin: 0 0 1rem;
  color: var(--yx-muted);
  font-size: 0.9rem;
}

.msg.meta {
  color: var(--yx-muted);
  font-size: 0.82rem;
}

@media (max-width: 1100px) {
  .yx-app {
    --yx-wb-activity: 260px;
    --yx-wb-sessions: 220px;
  }
}

@media (max-width: 900px) {
  .yx-app {
    height: calc(100dvh - var(--yx-header-h, 56px));
  }

  .yx-wb-body {
    grid-template-columns: 1fr;
    position: relative;
  }

  .yx-sessions-toggle,
  #yx-sessions-toggle {
    display: inline-flex !important;
  }

  .yx-wb-sessions {
    position: absolute;
    z-index: 20;
    inset: 0 auto 0 0;
    width: min(86vw, 300px);
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    box-shadow: 8px 0 28px rgba(0, 0, 0, 0.35);
  }

  .yx-app.is-sessions-open .yx-wb-sessions {
    transform: translateX(0);
  }

  .yx-wb-sessions-backdrop {
    display: block;
    position: absolute;
    inset: 0;
    z-index: 15;
    background: rgba(0, 0, 0, 0.45);
  }


  .yx-wb-activity {
    display: none;
    border-left: 0;
    border-top: 1px solid var(--yx-line-soft);
  }

  .yx-mobile-tabs {
    display: flex;
    gap: 0.25rem;
    padding: 0.45rem 0.65rem 0;
    border-bottom: 1px solid var(--yx-line-soft);
  }

  .yx-mobile-tab {
    flex: 1;
    min-height: 44px;
    border: 0;
    border-radius: 10px 10px 0 0;
    background: transparent;
    color: var(--yx-muted);
    font: inherit;
    font-size: 0.88rem;
    cursor: pointer;
    position: relative;
  }

  .yx-mobile-tab.is-active {
    color: var(--yx-text);
    background: rgba(255, 255, 255, 0.04);
  }

  .yx-tab-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-left: 0.35rem;
    border-radius: 50%;
    background: var(--yx-amber);
    vertical-align: middle;
  }

  .yx-app[data-mobile-tab="status"] .yx-chat-pane,
  .yx-app[data-mobile-tab="approvals"] .yx-chat-pane {
    display: none;
  }

  .yx-app[data-mobile-tab="status"] .yx-composer,
  .yx-app[data-mobile-tab="approvals"] .yx-composer {
    display: none;
  }

  .yx-app[data-mobile-tab="status"] .yx-wb-activity,
  .yx-app[data-mobile-tab="approvals"] .yx-wb-activity {
    display: flex;
  }

  .yx-app[data-mobile-tab="status"] .yx-activity-section[data-pane="approvals"],
  .yx-app[data-mobile-tab="status"] .yx-health-card {
    display: none;
  }

  .yx-app[data-mobile-tab="approvals"] .yx-activity-section[data-pane="status"],
  .yx-app[data-mobile-tab="approvals"] .yx-health-card {
    display: none;
  }

  .yx-composer-sticky {
    position: sticky;
    bottom: 0;
    z-index: 5;
  }

  .yx-composer-actions .yx-btn-primary {
    flex: 1;
  }

  .yx-wb-user {
    display: none;
  }

  .yx-session-del {
    opacity: 1;
  }
}

@media (max-width: 880px) {
  .yx-header-inner {
    flex-wrap: wrap;
    padding: 0.5rem 0;
  }

  .yx-header-actions {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .yx-nav-list {
    gap: 0.35rem 0.7rem;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .yx-account-meta {
    display: none;
  }

  .yx-account-btn {
    padding: 0.3rem;
  }

  .yx-account-caret {
    display: none;
  }
}

/* Hide WP admin bar offset quirks on front when present */
.admin-bar .yx-header {
  top: 32px;
}

@media (max-width: 782px) {
  .admin-bar .yx-header {
    top: 46px;
  }
}

/* ===== 元析仿真介绍区 ===== */
.yx-sim-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 3rem;
  align-items: center;
}

.yx-sim-visual {
  position: relative;
}

.yx-sim-visual::before {
  content: "";
  position: absolute;
  inset: -12% -8% -6% -8%;
  z-index: -1;
  background:
    radial-gradient(60% 50% at 30% 30%, rgba(232, 165, 75, 0.16), transparent 70%),
    radial-gradient(50% 60% at 80% 80%, rgba(90, 140, 180, 0.12), transparent 70%);
  filter: blur(6px);
  pointer-events: none;
}

.yx-sim-frame {
  border: 1px solid var(--yx-line-soft);
  border-radius: calc(var(--yx-radius) + 6px);
  background: var(--yx-panel-grad);
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.04) inset,
    0 30px 70px -20px var(--yx-shadow);
  position: relative;
}

.yx-sim-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(150deg, rgba(232, 165, 75, 0.4), transparent 30%, transparent 70%, rgba(90, 140, 180, 0.2));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.yx-sim-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--yx-line-soft);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.yx-sim-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3a4452;
}

.yx-sim-bar span:nth-child(1) { background: #6b7380; }
.yx-sim-bar span:nth-child(2) { background: #8a6a3d; }
.yx-sim-bar span:nth-child(3) { background: #a8874a; }

.yx-sim-bar em {
  margin-left: auto;
  font-style: normal;
  font-size: 0.72rem;
  color: var(--yx-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.yx-sim-canvas {
  padding: 1.1rem 1.25rem 1.3rem;
}

.yx-sim-svg {
  width: 100%;
  height: auto;
  display: block;
}

.yx-sim-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--yx-line-soft);
  font-size: 0.78rem;
  color: var(--yx-muted);
}

.yx-sim-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.yx-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.yx-dot-blue { background: #2d6a9f; box-shadow: 0 0 6px rgba(45, 106, 159, 0.5); }
.yx-dot-amber { background: var(--yx-amber); box-shadow: 0 0 6px rgba(232, 165, 75, 0.5); }
.yx-dot-green { background: #9bc24a; box-shadow: 0 0 6px rgba(155, 194, 74, 0.5); }

.yx-sim-copy .yx-eyebrow {
  margin-bottom: 0.7rem;
}

.yx-sim-lead {
  color: var(--yx-muted);
  font-size: 1.02rem;
  line-height: 1.7;
  margin: 0.85rem 0 1.3rem;
}

.yx-sim-points {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.yx-sim-points li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--yx-text);
  font-size: 0.92rem;
  line-height: 1.6;
}

.yx-sim-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yx-amber);
  box-shadow: 0 0 8px rgba(232, 165, 75, 0.5);
}

.yx-sim-points strong {
  color: var(--yx-amber-strong);
  font-weight: 600;
}

.yx-sim-roadmap-note {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  border-radius: var(--yx-radius);
  border: 1px solid rgba(159, 212, 176, 0.22);
  background: rgba(159, 212, 176, 0.06);
  color: var(--yx-text);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 1.2rem;
}

.yx-sim-tag {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(159, 212, 176, 0.16);
  color: #9fd4b0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ===== 产品路线图 ===== */
.yx-roadmap {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  position: relative;
}

.yx-roadmap::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--yx-amber) 0%, var(--yx-amber) 33%, rgba(159, 212, 176, 0.5) 33%, rgba(159, 212, 176, 0.5) 66%, var(--yx-line-soft) 66%);
  z-index: 0;
}

.yx-roadmap-item {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.yx-roadmap-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--yx-bg);
  border: 2px solid var(--yx-line-soft);
  margin-bottom: 1rem;
  position: relative;
}

.yx-roadmap-item.is-now .yx-roadmap-dot {
  border-color: var(--yx-amber);
  background: var(--yx-amber);
  box-shadow: 0 0 0 4px rgba(232, 165, 75, 0.2), 0 0 14px rgba(232, 165, 75, 0.5);
}

.yx-roadmap-item.is-next .yx-roadmap-dot {
  border-color: #9fd4b0;
  background: #9fd4b0;
  box-shadow: 0 0 0 4px rgba(159, 212, 176, 0.18);
  animation: yx-pulse 2.2s ease-in-out infinite;
}

.yx-roadmap-card {
  text-align: center;
  padding: 1.3rem 1.25rem;
  border-radius: var(--yx-radius);
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-feature-bg);
  backdrop-filter: blur(8px);
  width: 100%;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.yx-roadmap-card:hover {
  border-color: var(--yx-line);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -14px var(--yx-shadow);
}

.yx-roadmap-item.is-now .yx-roadmap-card {
  border-color: var(--yx-line);
  background:
    linear-gradient(135deg, rgba(232, 165, 75, 0.08), transparent 60%),
    var(--yx-feature-bg);
}

.yx-roadmap-stage {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--yx-muted);
  margin-bottom: 0.5rem;
}

.yx-roadmap-item.is-now .yx-roadmap-stage { color: var(--yx-amber-strong); }
.yx-roadmap-item.is-next .yx-roadmap-stage { color: #9fd4b0; }

.yx-roadmap-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.yx-roadmap-card p {
  margin: 0;
  color: var(--yx-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.yx-roadmap-link {
  display: inline-block;
  margin-top: 0.8rem;
  color: var(--yx-amber-strong);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.yx-roadmap-link:hover {
  border-bottom-color: var(--yx-amber);
}

/* ===== Modes 页仿真详述 ===== */
.yx-sim-detail {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
  padding: 1.5rem;
  border-radius: calc(var(--yx-radius) + 2px);
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-feature-bg);
  backdrop-filter: blur(8px);
}

.yx-sim-detail-copy h3 {
  margin: 0 0 0.65rem;
  font-size: 1.1rem;
}

.yx-sim-detail-copy p {
  margin: 0 0 0.7rem;
  color: var(--yx-text);
  font-size: 0.92rem;
  line-height: 1.7;
}

.yx-sim-detail-copy .yx-note {
  color: var(--yx-muted);
  font-size: 0.85rem;
}

.yx-sim-detail-flow {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 0.3rem;
}

.yx-flow-step {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--yx-line-soft);
  background: rgba(0, 0, 0, 0.18);
  font-size: 0.85rem;
  color: var(--yx-text);
}

.yx-flow-num {
  flex: 0 0 auto;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--yx-ink);
  background: var(--yx-amber-grad);
}

.yx-flow-arrow {
  text-align: center;
  color: var(--yx-muted);
  font-size: 0.9rem;
  opacity: 0.6;
}

@media (max-width: 880px) {
  .yx-sim-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .yx-roadmap {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .yx-roadmap::before {
    display: none;
  }

  .yx-roadmap-item {
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
  }

  .yx-roadmap-dot {
    margin-bottom: 0;
    margin-top: 0.3rem;
  }

  .yx-roadmap-card {
    text-align: left;
  }

  .yx-sim-detail {
    grid-template-columns: 1fr;
  }
}

/* ---- Marketing 2.5: bento + provider directory ---- */
.yx-bento {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.yx-bento-card {
  padding: 1.5rem 1.55rem;
  border-radius: calc(var(--yx-radius) + 2px);
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-card-bg);
  box-shadow: 0 10px 28px var(--yx-shadow-soft);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.yx-bento-card:hover {
  border-color: var(--yx-line);
  transform: translateY(-2px);
  box-shadow: 0 16px 36px var(--yx-shadow);
}

.yx-bento-wide {
  grid-column: 1 / -1;
}

.yx-bento-card h3 {
  margin: 0.55rem 0 0.45rem;
  font-size: 1.15rem;
}

.yx-bento-card p {
  margin: 0;
  color: var(--yx-muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

.yx-inline-link {
  display: inline-block;
  margin-top: 0.85rem;
  color: var(--yx-amber-strong);
  font-weight: 600;
  font-size: 0.92rem;
}

.yx-inline-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.yx-sim-placeholder {
  min-height: 240px;
  display: grid;
  place-items: center;
  gap: 0.85rem;
  padding: 2rem 1.25rem;
  text-align: center;
  background:
    radial-gradient(420px 180px at 50% 30%, var(--yx-glow-a), transparent 70%),
    var(--yx-bg-soft);
}

.yx-sim-placeholder img {
  border-radius: 16px;
  box-shadow: 0 12px 32px var(--yx-shadow);
}

.yx-sim-placeholder p {
  margin: 0;
  color: var(--yx-muted);
  font-size: 0.9rem;
  max-width: 16rem;
}

.yx-provider-intro {
  padding: 1.4rem 1.5rem;
  border-radius: calc(var(--yx-radius) + 2px);
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-card-bg);
}

.yx-provider-intro h2 {
  margin: 0 0 0.85rem;
  font-size: 1.2rem;
}

.yx-provider-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.yx-provider-card {
  padding: 1.25rem 1.35rem;
  border-radius: var(--yx-radius);
  border: 1px solid var(--yx-line-soft);
  background: var(--yx-feature-bg);
  display: grid;
  gap: 0.55rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.yx-provider-card:hover {
  border-color: var(--yx-line);
  box-shadow: 0 12px 28px var(--yx-shadow-soft);
}

.yx-provider-card h3 {
  margin: 0;
  font-size: 1.08rem;
}

.yx-provider-card > p {
  margin: 0;
  color: var(--yx-muted);
  font-size: 0.9rem;
}

.yx-provider-url code {
  display: block;
  font-size: 0.78rem;
  word-break: break-all;
  color: var(--yx-amber-strong);
  background: var(--yx-amber-soft);
  border: 1px solid var(--yx-line);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
}

.yx-provider-card .yx-btn {
  justify-self: start;
}

.yx-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  color: var(--yx-muted);
  font-size: 0.88rem;
}

.yx-footer-links a:hover {
  color: var(--yx-amber-strong);
}

.yx-footer-inner {
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .yx-footer-inner {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

  .yx-footer-links {
    justify-content: center;
  }
}

@media (max-width: 880px) {
  .yx-bento,
  .yx-provider-grid {
    grid-template-columns: 1fr;
  }

  .yx-bento-wide {
    grid-column: auto;
  }
}