:root {
  --bg: #dfeeea;
  --bg-deep: #b9d0cb;
  --surface: rgba(255, 255, 255, 0.3);
  --surface-strong: rgba(255, 255, 255, 0.48);
  --glass-surface: rgba(255, 255, 255, 0.22);
  --glass-surface-strong: rgba(255, 255, 255, 0.34);
  --glass-line: rgba(255, 255, 255, 0.78);
  --ink: #20251f;
  --ink-soft: #52615d;
  --line: rgba(34, 85, 78, 0.14);
  --accent: #c8794d;
  --accent-deep: #245b54;
  --accent-cool: #78b2a6;
  --accent-warm: #e3a36f;
  --shadow: 0 20px 50px rgba(31, 64, 74, 0.14);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content-width: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  background-color: #dfeeea;
  background-image:
    linear-gradient(125deg, rgba(219, 240, 235, 0.96), rgba(249, 251, 245, 0.72) 42%, rgba(164, 207, 198, 0.5) 74%, rgba(229, 176, 125, 0.28)),
    linear-gradient(160deg, var(--bg) 0%, #f5efe5 52%, var(--bg-deep) 100%);
  overscroll-behavior: none;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: #dfeeea;
  background-image:
    linear-gradient(125deg, rgba(219, 240, 235, 0.96), rgba(249, 251, 245, 0.72) 42%, rgba(164, 207, 198, 0.5) 74%, rgba(229, 176, 125, 0.28)),
    linear-gradient(160deg, var(--bg) 0%, #f5efe5 52%, var(--bg-deep) 100%);
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  overflow-x: hidden;
  position: relative;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(118deg, rgba(255, 255, 255, 0.42), transparent 28%),
    linear-gradient(238deg, rgba(36, 91, 84, 0.18), transparent 38%),
    linear-gradient(34deg, transparent 0 52%, rgba(227, 163, 111, 0.18) 52% 64%, transparent 64%),
    repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 92px);
}

.page-spotlight {
  position: fixed;
  left: 0;
  top: 0;
  width: 260px;
  height: 260px;
  z-index: 0;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.34) 0%, rgba(225, 165, 113, 0.18) 30%, rgba(169, 93, 45, 0.08) 52%, rgba(169, 93, 45, 0) 72%);
  filter: blur(6px);
  transition: opacity 220ms ease;
  display: none;
}

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.92), transparent 45%),
    linear-gradient(160deg, rgba(245, 239, 228, 0.98), rgba(230, 213, 189, 0.98));
  backdrop-filter: blur(14px);
}

.loader-panel {
  width: min(100%, 420px);
  padding: 36px 30px 28px;
  border: 1px solid rgba(122, 61, 23, 0.14);
  border-radius: 28px;
  background: rgba(255, 251, 245, 0.82);
  box-shadow: 0 24px 80px rgba(91, 60, 30, 0.14);
  text-align: center;
}

.loader-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 96px;
  height: 96px;
  margin: 0 auto 18px;
}

.loader-ring,
.loader-core {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.loader-ring {
  border: 1px solid rgba(169, 93, 45, 0.16);
  box-shadow:
    inset 0 0 0 8px rgba(169, 93, 45, 0.05),
    0 0 0 12px rgba(255, 255, 255, 0.28);
}

.loader-ring::before,
.loader-ring::after {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 50%;
}

.loader-ring::before {
  border-top: 2px solid rgba(169, 93, 45, 0.85);
  border-left: 2px solid transparent;
  border-right: 2px solid transparent;
  border-bottom: 2px solid transparent;
}

.loader-ring::after {
  inset: 22px;
  background: radial-gradient(circle, rgba(169, 93, 45, 0.22), rgba(169, 93, 45, 0));
}

.loader-core {
  inset: 19px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(169, 93, 45, 0.18), rgba(255, 255, 255, 0.92));
  color: var(--accent-deep);
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
}

.loader-title {
  margin: 0;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.8rem;
}

.loader-caption {
  margin: 10px 0 18px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.loader-progress {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(169, 93, 45, 0.08);
}

.loader-progress-fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(169, 93, 45, 0.4), rgba(191, 116, 68, 0.95), rgba(169, 93, 45, 0.4));
}

body::before {
  content: none;
}

.page-shell {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
  padding: 32px 0 48px;
  position: relative;
  z-index: 1;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(8px);
  z-index: 0;
}

.page-shell::before {
  width: 220px;
  height: 220px;
  left: -72px;
  top: 180px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3), rgba(111, 159, 150, 0.08), rgba(255, 255, 255, 0));
}

.page-shell::after {
  width: 260px;
  height: 260px;
  right: -84px;
  top: 760px;
  background: radial-gradient(circle, rgba(217, 151, 105, 0.26), rgba(111, 159, 150, 0.08), rgba(235, 191, 151, 0));
}

.hero,
.feature-grid,
.journal,
.moments,
.site-footer {
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  column-gap: 28px;
  align-items: center;
  padding: 72px 48px 56px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.08)),
    linear-gradient(140deg, rgba(255, 255, 255, 0.3), rgba(120, 178, 166, 0.18) 42%, rgba(227, 163, 111, 0.14)),
    var(--glass-surface-strong);
  box-shadow:
    0 36px 100px rgba(31, 64, 74, 0.16),
    0 14px 36px rgba(36, 91, 84, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    inset 0 -1px 0 rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(38px) saturate(185%) brightness(1.04);
  -webkit-backdrop-filter: blur(38px) saturate(185%) brightness(1.04);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 52%;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.56), rgba(255, 255, 255, 0)),
    linear-gradient(100deg, rgba(255, 255, 255, 0.34), transparent 42%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  right: -110px;
  top: -100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(169, 93, 45, 0.2), rgba(169, 93, 45, 0));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin: 0 0 14px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.26), rgba(255, 246, 234, 0.1)),
    rgba(255, 250, 241, 0.46);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 8px 18px rgba(91, 60, 30, 0.05);
  color: var(--accent-deep);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.76rem;
}

.hero h1,
.section-heading h2,
.feature-card h2,
.journal-entry h3 {
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-weight: 600;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.95;
}

.hero-title {
  display: flex;
  flex-wrap: wrap;
  gap: 0.04em;
}

.hero-char {
  display: inline-block;
  transform-origin: 50% 100%;
  will-change: transform, opacity;
}

.hero-copy {
  max-width: 100%;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 1.1rem;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
  position: relative;
  z-index: 1;
}

.hero-visual {
  grid-column: 2;
  grid-row: 1 / span 4;
  justify-self: end;
  align-self: center;
  width: min(100%, 320px);
  opacity: 0.96;
  pointer-events: none;
}

.hero-visual-art {
  display: block;
  width: 100%;
  height: auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

.yiyu-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  line-height: 0;
}

.yiyu-icon svg {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button .yiyu-icon {
  font-size: 1.06rem;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff8f1;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent-cool) 48%, var(--accent));
  box-shadow: 0 14px 30px rgba(49, 95, 87, 0.22);
}

.button-secondary {
  color: var(--ink);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.44), rgba(255, 246, 235, 0.12)),
    rgba(255, 251, 245, 0.34);
  border-color: rgba(255, 255, 255, 0.48);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.62),
    0 12px 24px rgba(91, 60, 30, 0.08);
  backdrop-filter: blur(16px) saturate(145%);
  -webkit-backdrop-filter: blur(16px) saturate(145%);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.feature-card,
.journal-entry,
.focus-card,
.collab-card,
.update-card,
.practice-card,
.reading-card,
.toolbox-card,
.logbook-panel,
.moment-panel,
.timeline-item,
.roadmap-item,
.site-footer {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.52), rgba(255, 255, 255, 0.06)),
    var(--surface);
  box-shadow:
    0 24px 58px rgba(31, 64, 74, 0.11),
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    inset 0 0 0 1px rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px) saturate(150%) brightness(1.02);
  -webkit-backdrop-filter: blur(18px) saturate(150%) brightness(1.02);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease,
    background-color 220ms ease;
}

.feature-card:hover,
.journal-entry:hover,
.focus-card:hover,
.collab-card:hover,
.update-card:hover,
.practice-card:hover,
.reading-card:hover,
.toolbox-card:hover,
.logbook-panel:hover,
.timeline-item:hover,
.roadmap-item:hover,
.essay-card:hover,
.thinking-card:hover,
.framework-card:hover,
.risk-card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 26px 58px rgba(57, 68, 76, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.76);
}

.feature-card:hover .feature-icon,
.focus-card:hover .focus-icon {
  transform: translateY(-2px) scale(1.03);
  box-shadow:
    0 18px 36px rgba(31, 64, 74, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -10px 22px rgba(255, 255, 255, 0.18);
}

.feature-card,
.update-card,
.practice-card,
.reading-card,
.toolbox-card,
.collab-card,
.logbook-panel,
.compare-table-wrap,
.status-summary-card,
.next-actions-card,
.task-demo-panel {
  transform-style: flat;
}

.feature-card {
  padding: 26px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.34), rgba(255, 246, 235, 0.1)),
    rgba(255, 250, 241, 0.64);
}

.feature-icon,
.focus-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: var(--accent-deep);
  border: 1px solid rgba(255, 255, 255, 0.72);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.14)),
    linear-gradient(135deg, rgba(120, 178, 166, 0.22), rgba(227, 163, 111, 0.14));
  box-shadow:
    0 14px 30px rgba(31, 64, 74, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    inset 0 -10px 22px rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  overflow: hidden;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease;
}

.feature-icon::before,
.focus-icon::before {
  content: "";
  position: absolute;
  inset: 7px auto auto 7px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.54);
  filter: blur(1px);
}

.feature-icon::after,
.focus-icon::after {
  content: "";
  position: absolute;
  inset: auto -10px -12px auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(120, 178, 166, 0.34), rgba(227, 163, 111, 0.28));
}

.feature-icon {
  width: 58px;
  height: 58px;
  margin-top: 8px;
  border-radius: 18px;
}

.focus-icon {
  width: 50px;
  height: 50px;
  margin-bottom: 14px;
  border-radius: 16px;
}

.feature-icon svg,
.focus-icon svg {
  position: relative;
  z-index: 1;
  width: 24px;
  height: 24px;
  display: block;
  filter: drop-shadow(0 2px 3px rgba(31, 64, 74, 0.14));
}

.feature-icon .yiyu-icon,
.focus-icon .yiyu-icon {
  position: relative;
  z-index: 1;
  font-size: 1.48rem;
  filter: drop-shadow(0 2px 3px rgba(31, 64, 74, 0.14));
}

.focus-icon .yiyu-icon {
  font-size: 1.34rem;
}

.feature-index {
  margin: 0;
  color: rgba(122, 61, 23, 0.55);
  font-size: 0.86rem;
  letter-spacing: 0.14em;
}

.feature-card h2 {
  margin: 18px 0 10px;
  font-size: 1.5rem;
}

.feature-card p:last-child,
.journal-entry p,
.moment-quote,
.site-footer p:last-child {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.journal,
.focus,
.updates,
.logbook,
.practice,
.reading,
.toolbox,
.roadmap,
.insights-tabs,
.moments,
.timeline {
  margin-top: 56px;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
  position: relative;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  text-wrap: balance;
}

.section-heading::after {
  content: "";
  width: 86px;
  height: 4px;
  margin-top: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(49, 95, 87, 0.9), rgba(111, 159, 150, 0.54), rgba(217, 151, 105, 0.16));
}

.tab-panel > section {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: calc(var(--radius-lg) - 2px);
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.18), rgba(255, 246, 235, 0.04)),
    rgba(255, 251, 245, 0.16);
}

.journal-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.journal-entry {
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(250, 238, 219, 0.42), rgba(255, 250, 241, 0) 72px),
    linear-gradient(160deg, rgba(255, 255, 255, 0.32), rgba(255, 246, 235, 0.08)),
    rgba(255, 250, 241, 0.64);
}

.journal-date {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(169, 93, 45, 0.1);
  color: var(--accent-deep);
  font-size: 0.82rem;
}

.journal-entry h3 {
  margin: 0 0 10px;
  font-size: 1.45rem;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.focus-card,
.collab-card,
.logbook-panel {
  padding: 24px;
  overflow: hidden;
}

.focus-card::before,
.collab-card::before,
.logbook-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, rgba(49, 95, 87, 0.86), rgba(111, 159, 150, 0.38), rgba(217, 151, 105, 0.2), transparent 78%);
}

.focus-label,
.timeline-time {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent-deep);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.timeline-time {
  position: relative;
  padding-left: 18px;
}

.timeline-time::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(169, 93, 45, 0.12);
}

.focus-card h3,
.collab-card h3,
.logbook-panel h3,
.timeline-item h3 {
  margin: 0 0 10px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.35rem;
  font-weight: 600;
}

.focus-card p:last-child,
.collab-card p:last-child,
.logbook-panel p,
.timeline-item p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.collab {
  margin-top: 56px;
}

.insights-tabs {
  position: relative;
  z-index: 1;
}

.tabs-toolbar-shell {
  position: -webkit-sticky;
  position: sticky;
  top: 14px;
  z-index: 8;
  margin-bottom: 22px;
}

.tabs-toolbar {
  position: relative;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 22px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.08)),
    rgba(255, 255, 255, 0.24);
  box-shadow:
    0 22px 54px rgba(31, 64, 74, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.86),
    inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(34px) saturate(185%) brightness(1.04);
  -webkit-backdrop-filter: blur(34px) saturate(185%) brightness(1.04);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.tabs-toolbar::-webkit-scrollbar {
  display: none;
}

.tab-button {
  position: relative;
  z-index: 2;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  appearance: none;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.42), rgba(255, 246, 235, 0.1)),
    rgba(252, 244, 233, 0.4);
  color: var(--ink-soft);
  font-size: 0.94rem;
  cursor: pointer;
  pointer-events: auto;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.tab-button .yiyu-icon {
  font-size: 1rem;
  opacity: 0.86;
}

.tab-button.is-active .yiyu-icon {
  opacity: 1;
}

.tab-button:hover {
  transform: translateY(-2px);
  color: var(--ink);
}

.tab-button.is-active {
  color: #fff8f1;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent-cool) 50%, var(--accent));
  box-shadow: 0 12px 26px rgba(49, 95, 87, 0.2);
}

.tab-panel {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.06)),
    rgba(255, 255, 255, 0.22);
  box-shadow:
    0 34px 86px rgba(31, 64, 74, 0.17),
    0 10px 28px rgba(36, 91, 84, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    inset 0 0 0 1px rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(42px) saturate(190%) brightness(1.04);
  -webkit-backdrop-filter: blur(42px) saturate(190%) brightness(1.04);
}

.tab-panel[hidden] {
  display: none;
}

.tab-panel .collab,
.tab-panel .task-demo,
.tab-panel .updates,
.tab-panel .logbook,
.tab-panel .practice,
.tab-panel .reading,
.tab-panel .toolbox,
.tab-panel .compare-section,
.tab-panel .thinking-section,
.tab-panel .roadmap,
.tab-panel .status-summary,
.tab-panel .next-actions {
  margin-top: 0;
}

.tab-panel section + section {
  margin-top: 28px;
}

.collab-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.task-demo {
  margin-top: 56px;
}

.task-demo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.task-demo-panel {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.28), rgba(255, 246, 235, 0.1)),
    rgba(255, 250, 241, 0.58);
  box-shadow:
    0 16px 30px rgba(91, 60, 30, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.task-demo-intro {
  margin: 0 0 18px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.task-demo-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink);
}

.task-demo-list li {
  line-height: 1.9;
}

.task-demo-list li + li {
  margin-top: 12px;
}

.pause-note {
  margin-top: 18px;
  padding: 24px 28px;
  border: 1px dashed rgba(255, 255, 255, 0.36);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.24), rgba(255, 246, 235, 0.1)),
    rgba(252, 244, 233, 0.54);
}

.pause-note-title {
  margin: 0 0 10px;
  color: var(--ink);
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.15rem;
}

.pause-note-text {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.85;
}

.response-note {
  margin-top: 18px;
  padding: 24px 28px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.28), rgba(255, 246, 235, 0.1)),
    rgba(255, 250, 242, 0.58);
  box-shadow:
    0 16px 30px rgba(91, 60, 30, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.response-note-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.response-note-list li {
  line-height: 1.85;
}

.response-note-list li + li {
  margin-top: 10px;
}

.updates-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.update-card,
.practice-card,
.reading-card,
.toolbox-card {
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.update-tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(169, 93, 45, 0.1);
  color: var(--accent-deep);
  font-size: 0.82rem;
}

.update-card h3,
.practice-card h3,
.reading-card h3,
.toolbox-card h3,
.roadmap-item h3 {
  margin: 0 0 10px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.35rem;
  font-weight: 600;
}

.update-card p:last-child,
.practice-card p,
.reading-card p,
.toolbox-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.status-summary-card,
.next-actions-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fcf4e9;
  box-shadow: var(--shadow);
}

.status-summary-card h3 {
  margin: 0 0 10px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.35rem;
  font-weight: 600;
}

.status-summary-card p:last-child,
.next-actions-card .response-note-list {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.compare-intro {
  margin-bottom: 18px;
}

.compare-intro p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.compare-note {
  margin-top: 10px !important;
  color: rgba(101, 89, 75, 0.9);
  font-size: 0.94rem;
}

.compare-highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.highlight-card {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.34), rgba(245, 233, 216, 0.12)),
    rgba(255, 250, 241, 0.58);
  box-shadow:
    0 16px 30px rgba(91, 60, 30, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.highlight-card h3 {
  margin: 0 0 8px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.25rem;
  font-weight: 600;
}

.highlight-card p:last-child {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.75;
}

.compare-table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.66);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.06)),
    rgba(255, 255, 255, 0.22);
  box-shadow:
    0 22px 52px rgba(57, 68, 76, 0.13),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(32px) saturate(178%) brightness(1.04);
  -webkit-backdrop-filter: blur(32px) saturate(178%) brightness(1.04);
}

.compare-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
}

.compare-table thead th {
  padding: 18px 20px;
  text-align: left;
  color: #fff8f1;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, #315f57, #6f9f96 52%, #b76b43);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.compare-table tbody th,
.compare-table tbody td {
  padding: 20px;
  vertical-align: top;
  border-top: 1px solid rgba(122, 61, 23, 0.1);
}

.compare-table tbody tr:nth-child(even) {
  background: rgba(255, 248, 238, 0.58);
}

.compare-table tbody tr:hover {
  background: rgba(243, 229, 208, 0.56);
}

.compare-table tbody td {
  color: var(--ink-soft);
  line-height: 1.85;
}

.compare-table tbody th {
  width: 190px;
  min-width: 190px;
}

.thinking-thesis {
  padding: 26px;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.34), rgba(241, 226, 205, 0.14)),
    rgba(255, 250, 241, 0.58);
  box-shadow:
    0 18px 34px rgba(91, 60, 30, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.thinking-thesis h3,
.thinking-card h3 {
  margin: 0 0 10px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.35rem;
  font-weight: 600;
}

.thinking-thesis p:last-child,
.thinking-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.9;
}

.thinking-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.thinking-card {
  position: relative;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.3), rgba(255, 246, 235, 0.1)),
    rgba(255, 251, 245, 0.58);
  box-shadow:
    0 16px 30px rgba(91, 60, 30, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.thinking-note {
  margin-top: 18px;
  padding: 24px 28px;
  border: 1px dashed rgba(255, 255, 255, 0.34);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.24), rgba(255, 246, 235, 0.08)),
    rgba(255, 250, 241, 0.48);
}

.framework-grid,
.risk-grid {
  display: grid;
  gap: 18px;
}

.framework-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.framework-card,
.risk-card {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.28), rgba(255, 246, 235, 0.08)),
    rgba(255, 251, 245, 0.56);
  box-shadow:
    0 16px 30px rgba(91, 60, 30, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.framework-card h3,
.risk-card h3 {
  margin: 0 0 10px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.24rem;
  font-weight: 600;
}

.framework-card p,
.risk-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.9;
}

.framework-card p + p,
.risk-card p + p {
  margin-top: 12px;
}

.risk-grid {
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.95fr);
}

.risk-card-wide {
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.36), rgba(240, 224, 202, 0.14)),
    rgba(255, 250, 241, 0.6);
}

.risk-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.risk-list li {
  line-height: 1.85;
}

.risk-list li + li {
  margin-top: 8px;
}

.essay-grid {
  column-count: 2;
  column-gap: 18px;
}

.essay-card {
  display: inline-block;
  width: 100%;
  margin: 0 0 18px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.32), rgba(255, 246, 235, 0.1)),
    rgba(255, 251, 245, 0.58);
  box-shadow:
    0 16px 32px rgba(91, 60, 30, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
}

.essay-card-featured {
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.38), rgba(240, 223, 200, 0.16)),
    rgba(255, 250, 241, 0.62);
}

.essay-card h3 {
  margin: 0 0 12px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.42rem;
  font-weight: 600;
}

.essay-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.95;
}

.essay-card p + p {
  margin-top: 14px;
}

.model-name {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.15rem;
  font-weight: 600;
}

.model-tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(169, 93, 45, 0.12);
  color: var(--accent-deep);
  font-size: 0.82rem;
}

.logbook-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.note-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.note-list li {
  line-height: 1.85;
}

.note-list li + li {
  margin-top: 10px;
}

.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.reading-grid,
.toolbox-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.roadmap-list {
  display: grid;
  gap: 18px;
  position: relative;
}

.roadmap-list::before {
  content: "";
  position: absolute;
  left: 59px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, rgba(169, 93, 45, 0.28), rgba(169, 93, 45, 0.06));
}

.roadmap-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  padding: 24px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0) 28%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.28), rgba(255, 246, 235, 0.08)),
    rgba(255, 250, 241, 0.56);
}

.roadmap-item .timeline-time {
  min-width: 62px;
  margin-bottom: 0;
  padding: 10px 0 0;
  color: rgba(122, 61, 23, 0.72);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
}

.roadmap-item .timeline-time::before {
  left: 33px;
  top: 12px;
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent-cool), var(--accent-warm));
  box-shadow:
    0 0 0 7px rgba(169, 93, 45, 0.1),
    0 6px 14px rgba(91, 60, 30, 0.12);
}

.roadmap-item p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.moment-panel {
  padding: 32px;
  position: relative;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.06)),
    rgba(255, 255, 255, 0.22);
  box-shadow:
    0 30px 74px rgba(31, 64, 74, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.86),
    inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(40px) saturate(188%) brightness(1.04);
  -webkit-backdrop-filter: blur(40px) saturate(188%) brightness(1.04);
}

.moment-panel::before {
  content: "“";
  position: absolute;
  right: 24px;
  top: 18px;
  color: rgba(169, 93, 45, 0.12);
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 4.4rem;
  line-height: 1;
}

.moment-panel::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 16px;
  height: 1px;
  background: linear-gradient(90deg, rgba(169, 93, 45, 0.18), rgba(169, 93, 45, 0));
}

.moment-label {
  margin: 0;
  color: var(--accent-deep);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.moment-quote {
  margin: 18px 0 10px;
  max-width: 760px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  line-height: 1.6;
  color: var(--ink);
}

.moment-note {
  margin: 0 0 26px;
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.9;
}

.timeline-list {
  display: grid;
  gap: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  padding: 24px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0) 20%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.28), rgba(255, 246, 235, 0.08)),
    rgba(255, 250, 241, 0.56);
}

.site-footer {
  margin-top: 56px;
  padding: 24px 28px;
  backdrop-filter: blur(36px) saturate(180%) brightness(1.03);
  -webkit-backdrop-filter: blur(36px) saturate(180%) brightness(1.03);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(90deg, rgba(49, 95, 87, 0.86), rgba(111, 159, 150, 0.38), rgba(217, 151, 105, 0.24), transparent 78%);
}

.site-footer p:first-child {
  margin: 0 0 6px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.1rem;
}

.filing-block {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed rgba(122, 61, 23, 0.18);
}

.filing-title {
  margin: 0 0 8px;
  color: var(--accent-deep);
  font-size: 0.9rem;
}

.filing-item {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.8;
}

.filing-link {
  color: var(--accent-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(169, 93, 45, 0.28);
  transition:
    color 180ms ease,
    border-color 180ms ease;
}

.filing-link:hover {
  color: var(--ink);
  border-color: rgba(122, 61, 23, 0.42);
}

.filing-link-police {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.filing-police-logo {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex: 0 0 18px;
  padding: 2px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.68);
  box-shadow:
    0 5px 12px rgba(31, 64, 74, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 12;
  min-width: 64px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background:
    linear-gradient(135deg, rgba(49, 95, 87, 0.84), rgba(111, 159, 150, 0.72), rgba(183, 107, 67, 0.7)),
    rgba(255, 250, 242, 0.2);
  color: #fff8f1;
  font-size: 0.92rem;
  cursor: pointer;
  box-shadow:
    0 12px 30px rgba(91, 60, 30, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    visibility 180ms ease,
    box-shadow 180ms ease;
}

.back-to-top .yiyu-icon {
  font-size: 1rem;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  box-shadow: 0 16px 34px rgba(91, 60, 30, 0.22);
}

.reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 920px) {
  .page-shell {
    width: min(calc(100% - 24px), var(--content-width));
    padding-top: 12px;
  }

  .page-spotlight {
    width: 220px;
    height: 220px;
  }

  .hero {
    display: block;
    padding: 52px 24px 42px;
    min-height: 0;
  }

  .hero-visual {
    grid-column: auto;
    grid-row: auto;
    position: static;
    width: min(100%, 260px);
    margin: 24px auto 0;
    justify-self: auto;
  }

  .loader-panel {
    padding: 28px 22px 22px;
  }

  .tab-panel {
    padding: 22px;
  }

  .tab-panel > section {
    padding: 18px;
  }

  .tabs-toolbar {
    flex-wrap: nowrap;
    gap: 10px;
    padding: 10px;
  }

  .tabs-toolbar-shell {
    top: 10px;
    margin-bottom: 18px;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
  }

  .feature-grid,
  .journal-list,
  .focus-grid,
  .collab-grid,
  .updates-grid,
  .practice-grid,
  .reading-grid,
  .toolbox-grid,
  .compare-highlights,
  .thinking-grid,
  .framework-grid,
  .risk-grid,
  .logbook-grid {
    grid-template-columns: 1fr;
  }

  .essay-grid {
    column-count: 1;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .roadmap-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .journal,
  .focus,
  .collab,
  .insights-tabs,
  .updates,
  .task-demo,
  .logbook,
  .practice,
  .reading,
  .toolbox,
  .roadmap,
  .moments,
  .timeline,
  .site-footer {
    margin-top: 36px;
  }

  .task-demo-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) 260px;
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .hero,
  .tabs-toolbar,
  .tab-panel,
  .moment-panel,
  .site-footer,
  .compare-table-wrap,
  .button-secondary,
  .back-to-top {
    background-color: rgba(255, 250, 242, 0.86);
  }

  .tab-panel > section,
  .eyebrow {
    background-color: rgba(255, 250, 242, 0.82);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .page-spotlight {
    display: none;
  }

  .button,
  .reveal {
    transition: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}