:root {
  color-scheme: light;
  --bg: #f7f7f3;
  --surface: #ffffff;
  --surface-soft: #f0f0eb;
  --text: #171717;
  --muted: #666666;
  --faint: #8a8a8a;
  --border: #d9d9d0;
  --border-strong: #b8b8ad;
  --accent: #0f766e;
  --accent-soft: #d8f3ee;
  --accent-muted: #dfe7e2;
  --accent-alt: #8a5f20;
  --accent-alt-soft: #f4ead8;
  --warning: #a16207;
  --warning-soft: #f5ead0;
  --shadow: 0 18px 60px rgba(23, 23, 23, 0.08);
  --radius: 8px;
  --frame: min(760px, calc(100vw - 32px));
  --divider-size: 5px;
  font-family: Inter, "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #10110f;
  --surface: #161815;
  --surface-soft: #1d211c;
  --text: #f4f4ef;
  --muted: #b2b5ad;
  --faint: #858980;
  --border: #30342d;
  --border-strong: #4d5449;
  --accent: #9fd8c5;
  --accent-soft: rgba(159, 216, 197, 0.1);
  --accent-muted: rgba(159, 216, 197, 0.16);
  --accent-alt: #e1b86f;
  --accent-alt-soft: rgba(225, 184, 111, 0.13);
  --warning: #f6c453;
  --warning-soft: rgba(246, 196, 83, 0.14);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.32);
}

:where(:root, :root[data-divider-style="double-solid"], .divider-preview[data-divider-preview="double-solid"]) {
  --divider-inline-size: 5px;
  --divider-block-size: 5px;
  --divider-horizontal-image: linear-gradient(
    to bottom,
    var(--border) 0,
    var(--border) 1px,
    transparent 1px,
    transparent 3px,
    var(--border) 3px,
    var(--border) 4px,
    transparent 4px
  );
  --divider-horizontal-size: 100% 5px;
  --divider-horizontal-repeat: no-repeat;
  --divider-horizontal-position: left top;
  --divider-horizontal-filter: none;
  --divider-vertical-image: linear-gradient(
    to right,
    var(--border) 0,
    var(--border) 1px,
    transparent 1px,
    transparent 3px,
    var(--border) 3px,
    var(--border) 4px,
    transparent 4px
  );
  --divider-vertical-size: 5px 100%;
  --divider-vertical-repeat: no-repeat;
  --divider-vertical-position: center top;
  --divider-vertical-filter: none;
  --striped-background-image: radial-gradient(circle, color-mix(in srgb, var(--accent) 34%, transparent) 1px, transparent 1.5px);
  --striped-background-size: 16px 16px;
}

:where(:root[data-divider-style="single-dashed"], .divider-preview[data-divider-preview="single-dashed"]) {
  --divider-inline-size: 3px;
  --divider-block-size: 3px;
  --divider-horizontal-image: repeating-linear-gradient(to right, var(--border) 0 12px, transparent 12px 20px);
  --divider-horizontal-size: 20px 1px;
  --divider-horizontal-repeat: repeat-x;
  --divider-horizontal-position: left center;
  --divider-horizontal-filter: none;
  --divider-vertical-image: repeating-linear-gradient(to bottom, var(--border) 0 12px, transparent 12px 20px);
  --divider-vertical-size: 1px 20px;
  --divider-vertical-repeat: repeat-y;
  --divider-vertical-position: center top;
  --divider-vertical-filter: none;
  --striped-background-image: repeating-linear-gradient(-45deg, color-mix(in srgb, var(--border) 58%, transparent) 0 10px, transparent 10px 18px);
  --striped-background-size: auto;
}

:where(:root[data-divider-style="soft-fade"], .divider-preview[data-divider-preview="soft-fade"]) {
  --divider-inline-size: 10px;
  --divider-block-size: 10px;
  --divider-horizontal-image:
    linear-gradient(to right, transparent 0%, color-mix(in srgb, var(--border) 20%, transparent) 12%, var(--border) 50%, color-mix(in srgb, var(--border) 20%, transparent) 88%, transparent 100%),
    linear-gradient(to right, transparent 0%, color-mix(in srgb, var(--border) 9%, transparent) 50%, transparent 100%);
  --divider-horizontal-size: 100% 2px, 100% 10px;
  --divider-horizontal-repeat: no-repeat, no-repeat;
  --divider-horizontal-position: left center, left center;
  --divider-horizontal-filter: drop-shadow(0 0 12px color-mix(in srgb, var(--border) 18%, transparent));
  --divider-vertical-image:
    linear-gradient(to bottom, transparent 0%, color-mix(in srgb, var(--border) 20%, transparent) 12%, var(--border) 50%, color-mix(in srgb, var(--border) 20%, transparent) 88%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, color-mix(in srgb, var(--border) 9%, transparent) 50%, transparent 100%);
  --divider-vertical-size: 2px 100%, 10px 100%;
  --divider-vertical-repeat: no-repeat, no-repeat;
  --divider-vertical-position: center top, center top;
  --divider-vertical-filter: drop-shadow(0 0 12px color-mix(in srgb, var(--border) 18%, transparent));
  --striped-background-image: repeating-linear-gradient(-45deg, transparent 0 4px, color-mix(in srgb, var(--border) 36%, transparent) 4px 5px, transparent 5px 16px);
  --striped-background-size: auto;
}

:where(:root[data-divider-style="dot-chain"], .divider-preview[data-divider-preview="dot-chain"]) {
  --divider-inline-size: 5px;
  --divider-block-size: 5px;
  --divider-horizontal-image: radial-gradient(circle, var(--border) 0 1.15px, transparent 1.25px);
  --divider-horizontal-size: 12px 5px;
  --divider-horizontal-repeat: repeat-x;
  --divider-horizontal-position: left center;
  --divider-horizontal-filter: none;
  --divider-vertical-image: radial-gradient(circle, var(--border) 0 1.15px, transparent 1.25px);
  --divider-vertical-size: 5px 12px;
  --divider-vertical-repeat: repeat-y;
  --divider-vertical-position: center top;
  --divider-vertical-filter: none;
  --striped-background-image: radial-gradient(circle, color-mix(in srgb, var(--border) 64%, transparent) 0 1.15px, transparent 1.25px);
  --striped-background-size: 12px 12px;
}

:where(:root[data-divider-style="hairline"], .divider-preview[data-divider-preview="hairline"]) {
  --divider-inline-size: 3px;
  --divider-block-size: 3px;
  --divider-horizontal-image: linear-gradient(to right, color-mix(in srgb, var(--border) 20%, transparent), var(--border), color-mix(in srgb, var(--border) 20%, transparent));
  --divider-horizontal-size: 100% 1px;
  --divider-horizontal-repeat: no-repeat;
  --divider-horizontal-position: left center;
  --divider-horizontal-filter: none;
  --divider-vertical-image: linear-gradient(to bottom, color-mix(in srgb, var(--border) 20%, transparent), var(--border), color-mix(in srgb, var(--border) 20%, transparent));
  --divider-vertical-size: 1px 100%;
  --divider-vertical-repeat: no-repeat;
  --divider-vertical-position: center top;
  --divider-vertical-filter: none;
  --striped-background-image:
    linear-gradient(to right, color-mix(in srgb, var(--border) 22%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--border) 22%, transparent) 1px, transparent 1px);
  --striped-background-size: 28px 28px;
}

:where(:root[data-divider-style="dash-dot"], .divider-preview[data-divider-preview="dash-dot"]) {
  --divider-inline-size: 3px;
  --divider-block-size: 3px;
  --divider-horizontal-image: repeating-linear-gradient(to right, var(--border) 0 10px, transparent 10px 18px, var(--border) 18px 20px, transparent 20px 28px);
  --divider-horizontal-size: 28px 1px;
  --divider-horizontal-repeat: repeat-x;
  --divider-horizontal-position: left center;
  --divider-horizontal-filter: none;
  --divider-vertical-image: repeating-linear-gradient(to bottom, var(--border) 0 10px, transparent 10px 18px, var(--border) 18px 20px, transparent 20px 28px);
  --divider-vertical-size: 1px 28px;
  --divider-vertical-repeat: repeat-y;
  --divider-vertical-position: center top;
  --divider-vertical-filter: none;
  --striped-background-image:
    repeating-linear-gradient(to right, transparent 0 13px, color-mix(in srgb, var(--border) 45%, transparent) 13px 14px, transparent 14px 28px),
    repeating-linear-gradient(to bottom, transparent 0 13px, color-mix(in srgb, var(--border) 45%, transparent) 13px 14px, transparent 14px 28px);
  --striped-background-size: auto;
}

:where(:root[data-divider-style="center-glow"], .divider-preview[data-divider-preview="center-glow"]) {
  --divider-inline-size: 10px;
  --divider-block-size: 10px;
  --divider-horizontal-image:
    linear-gradient(to right, transparent 0%, color-mix(in srgb, var(--border) 22%, transparent) 18%, color-mix(in srgb, var(--text) 24%, var(--border)) 50%, color-mix(in srgb, var(--border) 22%, transparent) 82%, transparent 100%),
    radial-gradient(ellipse at center, color-mix(in srgb, var(--accent) 26%, transparent), transparent 64%);
  --divider-horizontal-size: 100% 1px, 184px 10px;
  --divider-horizontal-repeat: no-repeat, no-repeat;
  --divider-horizontal-position: left center, center center;
  --divider-horizontal-filter: none;
  --divider-vertical-image:
    linear-gradient(to bottom, transparent 0%, color-mix(in srgb, var(--border) 22%, transparent) 18%, color-mix(in srgb, var(--text) 24%, var(--border)) 50%, color-mix(in srgb, var(--border) 22%, transparent) 82%, transparent 100%),
    radial-gradient(ellipse at center, color-mix(in srgb, var(--accent) 26%, transparent), transparent 64%);
  --divider-vertical-size: 1px 100%, 10px 184px;
  --divider-vertical-repeat: no-repeat, no-repeat;
  --divider-vertical-position: center top, center center;
  --divider-vertical-filter: none;
  --striped-background-image:
    linear-gradient(to right, color-mix(in srgb, var(--text) 7%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--text) 7%, transparent) 1px, transparent 1px);
  --striped-background-size: 32px 32px;
}

:where(:root[data-divider-style="woven-grid"], .divider-preview[data-divider-preview="woven-grid"]) {
  --divider-inline-size: 6px;
  --divider-block-size: 6px;
  --divider-horizontal-image: repeating-linear-gradient(to right, var(--border) 0 2px, transparent 2px 7px, color-mix(in srgb, var(--border) 54%, transparent) 7px 8px, transparent 8px 14px);
  --divider-horizontal-size: 14px 2px;
  --divider-horizontal-repeat: repeat-x;
  --divider-horizontal-position: left center;
  --divider-horizontal-filter: none;
  --divider-vertical-image: repeating-linear-gradient(to bottom, var(--border) 0 2px, transparent 2px 7px, color-mix(in srgb, var(--border) 54%, transparent) 7px 8px, transparent 8px 14px);
  --divider-vertical-size: 2px 14px;
  --divider-vertical-repeat: repeat-y;
  --divider-vertical-position: center top;
  --divider-vertical-filter: none;
  --striped-background-image:
    linear-gradient(45deg, transparent 0 9px, color-mix(in srgb, var(--border) 36%, transparent) 9px 10px, transparent 10px 20px),
    linear-gradient(-45deg, transparent 0 9px, color-mix(in srgb, var(--border) 36%, transparent) 9px 10px, transparent 10px 20px);
  --striped-background-size: 20px 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--border) 30%, transparent) 1px, transparent 1px),
    linear-gradient(180deg, color-mix(in srgb, var(--border) 24%, transparent) 1px, transparent 1px),
    var(--bg);
  background-size: 44px 44px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  animation: pageFade 520ms ease both;
}

@keyframes pageFade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

button,
input,
textarea {
  font: inherit;
}

.site-shell {
  min-height: 100vh;
  padding: 32px 0 64px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: var(--frame);
  margin: 0 auto 20px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(18px);
  animation: topbarDrop 520ms cubic-bezier(0.16, 1, 0.3, 1) both;
  overflow: visible;
}

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

.brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--text);
  color: var(--bg);
  font-size: 0.8rem;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.brand:hover .brand-mark {
  transform: translateY(-1px);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent);
}

.brand-text {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 1px;
}

.brand-text strong {
  overflow: hidden;
  font-size: 0.95rem;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-text span {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.2;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a,
.print-btn,
.copy-btn {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0 10px;
  background: transparent;
  color: var(--muted);
  font-size: 0.82rem;
  text-decoration: none;
  position: relative;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.settings-wrap {
  position: relative;
  flex: 0 0 auto;
}

.settings-button {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  line-height: 1;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.settings-button:hover,
.settings-button[aria-expanded="true"] {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
  background: var(--surface-soft);
  transform: translateY(-1px);
}

.settings-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 90;
  width: min(330px, calc(100vw - 36px));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 96%, var(--bg));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  padding: 12px;
  backdrop-filter: blur(14px);
  animation: settingsIn 180ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.settings-menu[hidden] {
  display: none;
}

@keyframes settingsIn {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.settings-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  padding: 2px 2px 8px;
  border-bottom: 1px solid var(--border);
}

.settings-menu-head strong {
  font-size: 0.9rem;
}

.settings-close {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  line-height: 1;
}

.settings-close:hover {
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--text);
}

.settings-group {
  display: grid;
  gap: 8px;
  padding: 8px 2px 10px;
}

.settings-group + .settings-group {
  border-top: 1px solid var(--border);
}

.settings-group-label {
  color: var(--faint);
  font-size: 0.74rem;
  font-weight: 700;
}

.settings-options {
  display: grid;
  gap: 7px;
  grid-template-columns: 1fr;
}

.settings-options button,
.settings-row,
.divider-submenu button {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface-soft) 48%, transparent);
  color: var(--muted);
  font-size: 0.78rem;
  padding: 0 9px;
  text-align: left;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.settings-options button:hover,
.settings-row:hover,
.divider-submenu button:hover,
.settings-options button.is-active,
.divider-submenu button.is-active {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  background: var(--surface-soft);
  color: var(--text);
  transform: translateY(-1px);
}

.settings-options button.is-active::after,
.divider-submenu button.is-active::after {
  content: "✓";
  margin-left: auto;
  color: var(--text);
  font-weight: 700;
}

.divider-submenu-wrap {
  position: relative;
}

.divider-menu-trigger {
  width: 100%;
}

.settings-chevron {
  margin-left: auto;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1;
}

.divider-submenu {
  position: absolute;
  top: 0;
  right: calc(100% + 8px);
  left: auto;
  z-index: 100;
  display: grid;
  width: 212px;
  gap: 7px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 97%, var(--bg));
  box-shadow: 0 20px 58px rgba(0, 0, 0, 0.3);
  padding: 8px;
  animation: settingsIn 160ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.divider-submenu[hidden] {
  display: none;
}

.divider-preview {
  display: inline-block;
  width: 30px;
  min-width: 30px;
  height: 14px;
  position: relative;
  border-radius: 2px;
  background-image: var(--divider-horizontal-image);
  background-size: var(--divider-horizontal-size);
  background-position: var(--divider-horizontal-position);
  background-repeat: var(--divider-horizontal-repeat);
  filter: var(--divider-horizontal-filter);
}

.nav-links a:hover,
.nav-links a.active,
.print-btn:hover,
.copy-btn:hover {
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--text);
  transform: translateY(-1px);
}

.copy-btn.copied {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: var(--accent-soft);
  color: var(--text);
}

.nav-links a:hover,
.print-btn:hover {
  transform: translateY(-1px);
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  z-index: 60;
  width: max-content;
  max-width: 260px;
  transform: translate(-50%, 6px) scale(0.96);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.22);
  color: var(--text);
  opacity: 0;
  padding: 8px 10px;
  pointer-events: none;
  font-size: 0.78rem;
  white-space: nowrap;
  transition: opacity 160ms ease, transform 160ms ease;
}

[data-tooltip]::before {
  display: none;
}

[data-tooltip]:hover::after,
[data-tooltip]:focus-visible::after,
[data-tooltip]:hover::before,
[data-tooltip]:focus-visible::before {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

[data-tooltip-align="right"]::after,
[data-tooltip-align="right"]::before {
  left: auto;
  right: 0;
  transform: translate(0, 6px) scale(0.96);
}

[data-tooltip-align="right"]:hover::after,
[data-tooltip-align="right"]:focus-visible::after,
[data-tooltip-align="right"]:hover::before,
[data-tooltip-align="right"]:focus-visible::before {
  transform: translate(0, 0) scale(1);
}

.mobile-menu-button {
  display: none;
  min-height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 0 10px;
}

.scroll-toc {
  position: fixed;
  top: 50%;
  left: max(18px, calc((100vw - var(--frame)) / 2 - 170px));
  z-index: 20;
  display: flex;
  transform: translateY(-50%);
  flex-direction: column;
  gap: 8px;
  min-width: 132px;
}

.toc-title {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.scroll-toc::before {
  content: "";
  position: absolute;
  top: 31px;
  bottom: 4px;
  left: 10px;
  width: 1px;
  background: color-mix(in srgb, var(--border) 72%, transparent);
}

.scroll-toc a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  color: var(--faint);
  font-size: 0.76rem;
  text-decoration: none;
  padding-left: 22px;
}

.scroll-toc a::before {
  content: "";
  position: absolute;
  left: 7px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: var(--bg);
}

.scroll-toc a.active {
  color: var(--text);
}

.scroll-toc a.active::before {
  background: var(--accent);
  border-color: var(--accent);
}

.frame {
  position: relative;
  width: var(--frame);
  margin: 0 auto;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--border) 65%, transparent);
}

.frame::before,
.frame::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: var(--divider-inline-size);
  pointer-events: none;
  background-image: var(--divider-vertical-image);
  background-size: var(--divider-vertical-size);
  background-position: var(--divider-vertical-position);
  background-repeat: var(--divider-vertical-repeat);
  filter: var(--divider-vertical-filter);
}

.frame::before {
  left: 0;
}

.frame::after {
  right: 0;
}

.section {
  position: relative;
  scroll-margin-top: 96px;
}

.section::after,
.dot-grid::after {
  content: "";
  display: block;
  height: var(--divider-block-size);
  background-image: var(--divider-horizontal-image);
  background-size: var(--divider-horizontal-size);
  background-position: var(--divider-horizontal-position);
  background-repeat: var(--divider-horizontal-repeat);
  filter: var(--divider-horizontal-filter);
}

.section-inner {
  padding: 28px;
}

.dot-grid {
  min-height: 92px;
  background-image: var(--striped-background-image);
  background-size: var(--striped-background-size);
  background-position: center;
  opacity: 0.58;
}

.profile-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.user-card {
  position: relative;
  display: grid;
  gap: 20px;
  padding-block: 28px;
}

.user-main {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 18px;
}

.user-copy {
  min-width: 0;
}

.user-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content;
  align-items: start;
  gap: 18px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.user-actions > .link-row {
  display: grid;
  grid-template-columns: repeat(2, max-content);
  align-items: center;
  justify-content: end;
  gap: 8px;
}

.user-actions .copy-btn {
  min-height: 38px;
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
  font-weight: 650;
  padding: 0 14px;
}

.update-corner,
.visitor-pill {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface-soft) 70%, transparent);
  color: var(--muted);
  font-size: 0.78rem;
  padding: 0 10px;
}

.update-corner {
  position: absolute;
  top: 20px;
  right: 28px;
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  color: var(--faint);
}

.profile-contact {
  display: flex;
  min-width: 0;
  flex-wrap: nowrap;
  gap: 8px;
  align-items: center;
  justify-content: start;
}

.profile-contact a[href*="github"] {
  width: fit-content;
}

.profile-contact a,
.profile-contact button,
.profile-contact span {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface-soft) 55%, transparent);
  color: var(--muted);
  font-size: 0.8rem;
  text-decoration: none;
  padding: 0 10px;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.profile-contact button {
  cursor: pointer;
}

.profile-contact a:hover,
.profile-contact button:hover,
.profile-contact button.copied {
  border-color: color-mix(in srgb, var(--accent) 36%, var(--border));
  background: var(--surface-soft);
  color: var(--text);
}

.profile-left {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 18px;
}

.avatar {
  width: 86px;
  height: 86px;
  flex: 0 0 auto;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-soft);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.16);
  transition: transform 260ms ease, box-shadow 260ms ease, border-color 260ms ease;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
}

.avatar:hover {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  transform: translateY(-2px) scale(1.015);
  box-shadow: 0 22px 58px rgba(0, 0, 0, 0.24);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.8rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: 0;
  text-wrap: balance;
}

.user-card h1 {
  margin-bottom: 4px;
  font-size: clamp(2rem, 4vw, 2.65rem);
}

h2 {
  margin-bottom: 18px;
  font-size: 1.2rem;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1rem;
  line-height: 1.35;
  letter-spacing: 0;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.section-heading span {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--faint);
  font-size: 0.72rem;
  font-weight: 700;
}

.section-heading h2 {
  margin: 0;
}

.intro-section,
.section-intro {
  position: relative;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: 18px;
  align-items: start;
}

.lead.compact {
  margin-bottom: 18px;
  font-size: 0.96rem;
}

.contact-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.contact-strip a,
.contact-strip button,
.contact-strip span {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.8rem;
  text-decoration: none;
  padding: 0 10px;
}

.contact-strip button {
  cursor: pointer;
}

.contact-strip button:hover,
.contact-strip button.copied {
  border-color: color-mix(in srgb, var(--accent) 36%, var(--border));
  background: var(--surface-soft);
  color: var(--text);
}

.focus-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 62%, transparent), transparent 52%),
    var(--surface);
  padding: 18px;
}

.focus-panel ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.focus-panel li {
  position: relative;
  color: var(--muted);
  font-size: 0.9rem;
  padding-left: 18px;
}

.focus-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.role-line {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

[data-role-cycle] {
  display: inline-grid;
  min-width: 190px;
  min-height: 1.55em;
  align-items: center;
  overflow: hidden;
  vertical-align: bottom;
}

[data-role-cycle].is-changing {
  animation: roleSwap 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes roleSwap {
  0% {
    opacity: 0;
    transform: translateY(12px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.profile-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.btn {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--text);
  border-radius: var(--radius);
  padding: 0 14px;
  background: var(--text);
  color: var(--bg);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
  transition: transform 180ms ease, opacity 180ms ease, box-shadow 180ms ease;
}

.btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

.btn.secondary {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

.lead {
  max-width: 650px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 1.02rem;
}

.badge-row,
.skill-list,
.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge,
.tag,
.metric,
.status-pill {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface-soft) 72%, transparent);
  color: var(--muted);
  font-size: 0.78rem;
  padding: 3px 9px;
}

.badge.emphasis,
.status-pill.live {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 70%, transparent);
  color: color-mix(in srgb, var(--accent) 75%, var(--text));
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.metric-card {
  min-height: 104px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 14px;
  position: relative;
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease, background-color 220ms ease;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-muted) 72%, transparent), transparent 45%);
  opacity: 0;
  transition: opacity 220ms ease;
}

.metric-card:hover {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  transform: translateY(-3px);
}

.metric-card:hover::before {
  opacity: 1;
}

.metric-card > * {
  position: relative;
  z-index: 1;
}

.metric-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.45rem;
  line-height: 1.1;
}

.metric-card span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

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

.project-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition: background-color 160ms ease, transform 160ms ease;
  overflow: hidden;
}

.project-card:nth-child(2n) {
  border-right: 0;
}

.project-card:hover {
  background: color-mix(in srgb, var(--surface-soft) 65%, var(--surface));
  transform: translateY(-2px);
}

.project-card:hover .project-cover {
  transform: translateY(-2px);
}

.project-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
}

.project-cover {
  position: relative;
  min-height: 148px;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent),
    repeating-linear-gradient(-45deg, color-mix(in srgb, var(--border) 48%, transparent) 0 1px, transparent 1px 9px),
    var(--surface-soft);
  transition: transform 240ms ease, filter 240ms ease;
}

.project-cover img {
  width: 100%;
  height: 148px;
  display: block;
  object-fit: cover;
  filter: saturate(0.88) brightness(0.92);
  transition: transform 320ms ease, filter 320ms ease;
}

.project-card:hover .project-cover img {
  filter: saturate(0.98) brightness(1);
  transform: scale(1.018);
}

.project-cover.diagram {
  display: grid;
  place-items: center;
  padding: 18px;
}

.diagram-stack {
  display: grid;
  width: min(300px, 100%);
  gap: 8px;
}

.diagram-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.diagram-node {
  min-height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 76%, transparent);
  color: var(--muted);
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  transition: border-color 180ms ease, transform 180ms ease, color 180ms ease;
}

.project-card:hover .diagram-node {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border-strong));
  color: var(--text);
  transform: translateY(-1px);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.project-summary,
.resume-card p,
.experience-body,
.note {
  color: var(--muted);
  font-size: 0.92rem;
}

.view-more {
  margin-top: auto;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  transition: color 180ms ease, transform 180ms ease;
}

.project-card:hover .view-more {
  color: var(--text);
  transform: translateX(3px);
}

.refined-grid {
  border-top: 1px solid var(--border);
}

.project-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  overflow-y: auto;
  padding: 24px;
}

.project-modal[hidden] {
  display: none;
}

.project-modal-backdrop {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at center, color-mix(in srgb, var(--surface) 18%, transparent), transparent 52%),
    color-mix(in srgb, #000000 68%, transparent);
  backdrop-filter: blur(12px);
}

.project-modal-panel {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(980px, calc(100vw - 36px));
  min-height: calc(100vh - 48px);
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--border) 24%, transparent) 1px, transparent 1px),
    linear-gradient(180deg, color-mix(in srgb, var(--border) 20%, transparent) 1px, transparent 1px),
    var(--bg);
  background-size: 44px 44px;
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.42);
  overflow: visible;
  animation: projectModalIn 220ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.project-modal.is-fullscreen .project-modal-panel {
  width: calc(100vw - 24px);
  min-height: calc(100vh - 24px);
}

@keyframes projectModalIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.project-modal-header {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  border-bottom: 1px dashed var(--border);
  background: var(--bg);
  padding: 16px;
}

.project-modal-header span {
  display: block;
  color: var(--faint);
  font-size: 0.74rem;
  font-weight: 700;
}

.project-modal-header h2 {
  margin: 0;
  font-size: 1.18rem;
}

.project-modal-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.project-modal-icon,
.project-modal-link {
  display: inline-grid;
  min-width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  color: var(--text);
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.project-modal-link {
  padding: 0 12px;
  font-size: 0.82rem;
  font-weight: 700;
}

.project-modal-icon:hover,
.project-modal-link:hover {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  background: var(--surface-soft);
  transform: translateY(-1px);
}

.project-preview-stage {
  padding: 24px 24px 20px;
}

.project-preview-window {
  min-height: 360px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.project-preview-ui {
  display: grid;
  min-height: 360px;
  grid-template-columns: 168px minmax(0, 1fr);
  background: #f7f7f5;
  color: #111111;
}

.project-preview-sidebar {
  display: grid;
  align-content: start;
  gap: 10px;
  border-right: 1px solid #e4e4df;
  padding: 18px;
  color: #6b6b67;
  font-size: 0.74rem;
}

.project-preview-sidebar strong {
  color: #161616;
  font-size: 0.82rem;
}

.project-preview-main {
  display: grid;
  align-content: center;
  gap: 18px;
  min-height: 360px;
  padding: 44px min(72px, 8vw);
}

.project-preview-main h3 {
  max-width: 420px;
  margin: 0;
  color: #111111;
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  line-height: 1.05;
}

.project-preview-main p {
  max-width: 520px;
  margin: 0;
  color: #6b6b67;
  font-size: 0.92rem;
}

.project-preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.project-preview-actions span {
  border: 1px solid #d8d8d3;
  border-radius: 999px;
  padding: 6px 12px;
  color: #333333;
  font-size: 0.78rem;
  font-weight: 700;
}

.project-preview-rag {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: center;
  background:
    radial-gradient(circle at 82% 20%, rgba(15, 118, 110, 0.18), transparent 28%),
    #f7faf8;
  padding: 32px;
}

.rag-search,
.rag-answer {
  border: 1px solid #d9e3dd;
  border-radius: 8px;
  background: #ffffff;
  padding: 18px;
  box-shadow: 0 18px 48px rgba(20, 50, 45, 0.08);
}

.rag-search span,
.rag-answer span {
  color: #6d7772;
  font-size: 0.78rem;
}

.rag-search strong,
.rag-answer strong {
  display: block;
  margin-top: 8px;
  color: #111111;
  font-size: 1.35rem;
  line-height: 1.2;
}

.rag-flow {
  display: grid;
  grid-column: 1;
  grid-row: 2;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.rag-flow span {
  border: 1px solid #cfded6;
  border-radius: 8px;
  background: #edf5f1;
  color: #23564d;
  font-weight: 800;
  padding: 12px;
  text-align: center;
}

.rag-answer {
  grid-column: 2;
  grid-row: 1 / span 2;
}

.rag-answer p {
  color: #59635f;
}

.rag-answer div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.project-preview-reader {
  grid-template-columns: 170px minmax(0, 1fr);
  background: #fbfaf7;
}

.project-preview-reader aside,
.project-preview-knowledge aside {
  display: grid;
  align-content: start;
  gap: 12px;
  border-right: 1px solid #e5e1d8;
  padding: 22px;
  color: #766f62;
}

.project-preview-reader aside strong,
.project-preview-knowledge aside strong {
  color: #171717;
}

.project-preview-reader main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 22px;
  align-items: center;
  padding: 34px;
}

.project-preview-reader article {
  border: 1px solid #e3ded3;
  border-radius: 8px;
  background: #ffffff;
  padding: 28px;
}

.project-preview-reader h3 {
  color: #111111;
  font-size: 2rem;
  line-height: 1.12;
}

.project-preview-reader p {
  color: #69645c;
}

.project-preview-reader mark {
  display: inline-block;
  margin-top: 16px;
  border-radius: 5px;
  background: #fff1b8;
  color: #362f16;
  padding: 4px 8px;
}

.reader-panel {
  display: grid;
  gap: 10px;
  border: 1px solid #ded8ca;
  border-radius: 8px;
  background: #f2eee5;
  padding: 16px;
}

.reader-panel button {
  min-height: 34px;
  border: 1px solid #d5cdbc;
  border-radius: 8px;
  background: #ffffff;
  color: #2c2c28;
}

.project-preview-quant {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: auto 1fr auto;
  gap: 14px;
  background: #0f1412;
  color: #f3f6f2;
  padding: 28px;
}

.quant-metric,
.quant-chart,
.quant-pipeline {
  border: 1px solid rgba(192, 210, 199, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  padding: 16px;
}

.quant-metric span {
  color: #aeb9b2;
  font-size: 0.78rem;
}

.quant-metric strong {
  display: block;
  margin-top: 8px;
  color: #ffffff;
  font-size: 2rem;
}

.quant-chart {
  grid-column: 1 / -1;
  display: flex;
  align-items: end;
  gap: 10px;
  min-height: 170px;
}

.quant-chart i {
  flex: 1;
  border-radius: 5px 5px 0 0;
  background: linear-gradient(180deg, #9fd8c5, #2e7e70);
}

.quant-pipeline {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.quant-pipeline span {
  border: 1px solid rgba(159, 216, 197, 0.3);
  border-radius: 8px;
  color: #d6eee5;
  padding: 10px;
  text-align: center;
}

.project-preview-knowledge {
  grid-template-columns: 180px minmax(0, 1fr);
  background: #f6f7fb;
}

.project-preview-knowledge main {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-content: center;
  padding: 28px;
}

.kb-card,
.kb-heat {
  border: 1px solid #dde2ef;
  border-radius: 8px;
  background: #ffffff;
  padding: 16px;
  box-shadow: 0 16px 40px rgba(40, 54, 90, 0.08);
}

.kb-card.wide,
.kb-heat {
  grid-column: 1 / -1;
}

.kb-card strong {
  display: block;
  color: #151923;
  font-size: 1.3rem;
}

.kb-card span {
  color: #6c7280;
}

.kb-heat {
  display: grid;
  grid-template-columns: repeat(14, 1fr);
  gap: 6px;
}

.kb-heat i {
  aspect-ratio: 1;
  border-radius: 3px;
  background: #e2e7f0;
}

.kb-heat i.mid {
  background: #9fb7de;
}

.kb-heat i.hot {
  background: #4169a8;
}

.project-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
}

.project-tab {
  min-height: 54px;
  border: 0;
  border-right: 1px dashed var(--border);
  border-radius: 0;
  background: color-mix(in srgb, var(--surface) 45%, transparent);
  color: var(--muted);
  font-weight: 800;
  transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.project-tab:last-child {
  border-right: 0;
}

.project-tab:hover,
.project-tab.is-active {
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  color: var(--text);
}

.project-tab:focus {
  outline: none;
}

.project-tab.is-active {
  box-shadow: inset 0 -2px 0 var(--text);
}

.project-tab:focus-visible {
  box-shadow: inset 0 -2px 0 var(--text), inset 0 0 0 2px color-mix(in srgb, var(--accent) 42%, transparent);
}

.project-modal-body {
  padding: 26px 30px 34px;
}

.project-modal-body h3 {
  margin-top: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.project-modal-body h4 {
  margin: 26px 0 10px;
  font-size: 1.1rem;
}

.project-modal-body p,
.project-modal-body li {
  color: var(--muted);
}

.project-modal-body code {
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface-soft);
  padding: 2px 6px;
}

.project-modal-body .btn {
  display: inline-flex;
  width: fit-content;
  margin-top: 8px;
}

.project-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(220px, 0.9fr);
  gap: 18px;
}

.project-detail-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  padding: 16px;
}

.project-detail-panel ul {
  margin-bottom: 0;
}

.project-detail-section {
  margin-top: 28px;
}

.project-detail-section > p {
  max-width: 900px;
}

.project-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0 6px;
}

.project-kpi {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 74%, transparent);
  padding: 14px;
}

.project-kpi strong {
  display: block;
  color: var(--text);
  font-size: 1.2rem;
  line-height: 1.2;
}

.project-kpi span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.project-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.project-flow span {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface-soft) 60%, transparent);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
  padding: 10px;
  text-align: center;
}

.project-role-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.project-role-list article {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  padding: 14px;
}

.project-role-list h5 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 0.95rem;
}

.project-role-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

body.project-modal-open {
  overflow: hidden;
}

.project-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.project-list li {
  margin-bottom: 6px;
}

.case-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 18px;
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  transition: transform 220ms ease, border-color 220ms ease;
}

.panel:hover {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
  transform: translateY(-2px);
}

.panel.compact {
  padding: 14px;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 14px;
  transition: transform 220ms ease, border-color 220ms ease, background-color 220ms ease;
}

.timeline-item:hover {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
  background: color-mix(in srgb, var(--surface-soft) 38%, var(--surface));
  transform: translateY(-2px);
}

.logo-box {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--text);
  color: var(--bg);
  font-weight: 800;
}

.timeline-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.timeline-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.timeline-time {
  color: var(--faint);
  font-size: 0.82rem;
  white-space: nowrap;
}

.experience-accordion {
  display: grid;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  overflow: hidden;
}

.experience-card {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  transition: background-color 180ms ease, border-color 180ms ease;
}

.experience-card:last-child {
  border-bottom: 0;
}

.experience-card[open] {
  background: color-mix(in srgb, var(--surface-soft) 28%, var(--surface));
}

.experience-summary {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) minmax(128px, auto) 22px;
  gap: 14px;
  align-items: center;
  min-height: 78px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  outline: none;
  transition: background-color 180ms ease;
}

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

.experience-summary:hover {
  background: color-mix(in srgb, var(--surface-soft) 48%, transparent);
}

.experience-summary:focus-visible {
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--accent) 42%, transparent);
}

.experience-title {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.experience-title strong {
  overflow: hidden;
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.25;
  text-overflow: ellipsis;
}

.experience-title em {
  color: var(--muted);
  font-size: 0.86rem;
  font-style: normal;
  line-height: 1.4;
}

.experience-meta {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  line-height: 1.45;
  text-align: right;
}

.experience-arrow {
  position: relative;
  width: 20px;
  height: 20px;
}

.experience-arrow::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 5px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 180ms ease, border-color 180ms ease;
}

.experience-card[open] .experience-arrow::before {
  border-color: var(--text);
  transform: translateY(3px) rotate(225deg);
}

.experience-body {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transform: translateY(-4px);
  transition: grid-template-rows 240ms cubic-bezier(0.16, 1, 0.3, 1), opacity 180ms ease, transform 220ms ease;
}

.experience-card[open] .experience-body {
  grid-template-rows: 1fr;
  opacity: 1;
  transform: translateY(0);
}

.experience-body > .project-list {
  overflow: hidden;
  margin: 0;
  padding: 0 20px 18px 82px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.skill-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
}

.skill-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.skill-card li {
  margin-bottom: 6px;
}

.skill-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.skill-cloud li {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.86rem;
  padding: 0 12px;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.skill-cloud li:hover {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  background: var(--surface-soft);
  color: var(--text);
  transform: translateY(-2px);
}

.tech-stack-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 10px;
  margin: 0 auto;
  padding: 10px 14px;
}

.tech-stack-grid.compact {
  margin-top: 16px;
}

.tech-item {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 620;
  line-height: 1.2;
  padding: 0 8px;
  white-space: nowrap;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.tech-item:hover {
  border-color: color-mix(in srgb, var(--border) 68%, transparent);
  background: color-mix(in srgb, var(--surface-soft) 54%, transparent);
  transform: translateY(-1px);
}

.tech-icon {
  display: inline-grid;
  width: 15px;
  height: 15px;
  flex: 0 0 15px;
  place-items: center;
  color: var(--muted);
}

.tech-icon svg {
  display: block;
  width: 15px;
  height: 15px;
}

.tech-label {
  display: inline-block;
}

.tech-item:hover .tech-icon {
  color: var(--text);
}

.now-list {
  display: grid;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.now-list article {
  display: grid;
  gap: 6px;
  border-bottom: 1px solid var(--border);
  padding: 18px;
  transition: background-color 180ms ease, transform 180ms ease;
}

.now-list article:last-child {
  border-bottom: 0;
}

.now-list article:hover {
  background: color-mix(in srgb, var(--surface-soft) 42%, transparent);
}

.now-list article span {
  width: fit-content;
  border: 1px solid color-mix(in srgb, var(--accent-alt) 36%, var(--border));
  border-radius: var(--radius);
  background: var(--accent-alt-soft);
  color: var(--accent-alt);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 2px 8px;
}

.now-list article p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.resume-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 64%, transparent), transparent 58%),
    var(--surface);
}

.resume-cta h3 {
  margin-bottom: 8px;
}

.quote-block {
  position: relative;
  text-align: center;
  padding-block: 44px;
}

.quote-mark {
  display: block;
  height: 42px;
  color: color-mix(in srgb, var(--accent) 62%, var(--border));
  font-size: 4.6rem;
  font-weight: 800;
  line-height: 0.65;
}

.quote-block blockquote {
  max-width: 560px;
  margin: 0 auto 12px;
  font-size: clamp(1.2rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1.45;
  text-wrap: balance;
}

.quote-block p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.back-to-top {
  position: fixed;
  right: max(22px, calc((100vw - var(--frame)) / 2 - 74px));
  bottom: 34px;
  z-index: 40;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  box-shadow: var(--shadow);
  color: var(--text);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease, background-color 180ms ease;
  backdrop-filter: blur(14px);
}

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

.back-to-top:hover {
  background: var(--surface-soft);
  transform: translateY(-2px);
}

.back-to-top.is-visible:hover {
  transform: translateY(-2px);
}

.github-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.activity-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
}

.activity-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.activity-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.text-link {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease;
}

.text-link:hover {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.github-repo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.github-repo-card {
  display: grid;
  gap: 14px;
  min-height: 188px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 42%, transparent), transparent 50%),
    color-mix(in srgb, var(--surface-soft) 28%, var(--surface));
  color: var(--text);
  text-decoration: none;
  padding: 18px;
  transition: transform 200ms ease, border-color 200ms ease, background-color 200ms ease;
}

.github-repo-card:hover {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
  background: color-mix(in srgb, var(--surface-soft) 48%, var(--surface));
  transform: translateY(-2px);
}

.repo-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.repo-topline strong {
  font-size: 1.05rem;
  line-height: 1.25;
}

.repo-topline em {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.74rem;
  font-style: normal;
  padding: 2px 7px;
  white-space: nowrap;
}

.github-repo-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.repo-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
}

.repo-meta-line span {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 58%, transparent);
  color: var(--faint);
  font-size: 0.74rem;
  padding: 3px 8px;
}

.repo-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
  text-decoration: none;
  transition: transform 220ms ease, border-color 220ms ease, background-color 220ms ease;
}

.repo-card:hover {
  background: var(--surface-soft);
  border-color: color-mix(in srgb, var(--accent) 36%, var(--border));
  transform: translateY(-2px);
}

.resume-hero {
  display: block;
}

.contact-list {
  display: grid;
  gap: 8px;
  min-width: 230px;
  color: var(--muted);
  font-size: 0.9rem;
}

.resume-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  transition: transform 200ms ease, border-color 200ms ease, background-color 200ms ease;
}

.resume-card:hover,
.resume-project:hover {
  border-color: color-mix(in srgb, var(--accent) 36%, var(--border));
  background: color-mix(in srgb, var(--surface-soft) 24%, var(--surface));
  transform: translateY(-2px);
}

.resume-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.resume-project {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  transition: transform 200ms ease, border-color 200ms ease, background-color 200ms ease;
}

.resume-project-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.resume-project-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.resume-project ul,
.resume-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.resume-project li,
.resume-card li {
  margin-bottom: 7px;
}

.resume-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.resume-section-title h2 {
  margin: 0;
}

.resume-section-title span {
  color: var(--faint);
  font-size: 0.78rem;
}

.resume-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 14px;
}

.resume-snapshot {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 8px;
  min-height: 118px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
}

.resume-snapshot strong {
  display: block;
  min-height: 34px;
  font-size: 1.65rem;
  line-height: 1.1;
}

.resume-snapshot span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.case-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
}

.case-facts span {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.78rem;
  padding: 3px 8px;
}

.resume-page {
  --frame: min(860px, calc(100vw - 32px));
}

.footer {
  width: var(--frame);
  margin: 24px auto 0;
  color: var(--muted);
  font-size: 0.86rem;
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms cubic-bezier(0.16, 1, 0.3, 1), transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  z-index: 80;
  transform: translate(-50%, 18px) scale(0.96);
  border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--border));
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: 0 22px 58px rgba(0, 0, 0, 0.3);
  color: var(--text);
  opacity: 0;
  padding: 12px 16px;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

.toast strong {
  display: block;
  font-size: 0.9rem;
}

.toast span {
  color: var(--muted);
  font-size: 0.78rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

.print-only {
  display: none;
}

@media (max-width: 980px) {
  .scroll-toc {
    display: none;
  }
}

@media (max-width: 760px) {
  .site-shell {
    padding-top: 16px;
  }

  .topbar {
    flex-wrap: wrap;
  }

  .mobile-menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a,
  .print-btn,
  .copy-btn {
    justify-content: flex-start;
  }

  .section-inner {
    padding: 22px;
  }

  .dot-grid {
    min-height: 68px;
  }

  .profile-card,
  .resume-hero,
  .timeline-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .user-main,
  .user-actions,
  .activity-head,
  .resume-cta {
    align-items: flex-start;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .user-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .user-card {
    gap: 18px;
    padding-top: 64px;
    padding-bottom: 24px;
  }

  .user-main {
    flex-direction: row;
    gap: 14px;
  }

  .user-card h1 {
    font-size: 2rem;
  }

  .avatar {
    width: 74px;
    height: 74px;
    border-radius: 15px;
  }

  .user-actions > .link-row {
    justify-content: start;
  }

  .profile-contact {
    flex-wrap: wrap;
  }

  .divider-submenu {
    top: calc(100% + 7px);
    right: 0;
    width: 100%;
  }

  .update-corner {
    position: absolute;
    top: 22px;
    right: 22px;
    width: fit-content;
  }

  .intro-grid,
  .resume-summary-grid,
  .github-repo-grid {
    grid-template-columns: 1fr;
  }

  .profile-card {
    display: block;
  }

  .profile-left {
    margin-bottom: 18px;
  }

  .profile-actions {
    justify-content: flex-start;
  }

  .metrics-grid,
  .project-grid,
  .case-layout,
  .skills-grid,
  .github-panel,
  .resume-grid,
  .activity-head {
    grid-template-columns: 1fr;
  }

  .project-card,
  .project-card:nth-child(2n) {
    border-right: 0;
  }

  .project-modal {
    padding: 12px;
  }

  .project-modal-panel {
    width: calc(100vw - 20px);
    min-height: calc(100vh - 20px);
  }

  .project-modal-header {
    grid-template-columns: 36px minmax(0, 1fr);
  }

  .project-modal-actions {
    grid-column: 1 / -1;
    justify-content: flex-end;
  }

  .project-preview-stage {
    padding: 14px;
  }

  .project-preview-window,
  .project-preview-ui {
    min-height: 260px;
  }

  .project-preview-ui,
  .project-preview-rag,
  .project-preview-reader,
  .project-preview-quant,
  .project-preview-knowledge {
    grid-template-columns: 1fr;
  }

  .project-preview-sidebar,
  .project-preview-reader aside,
  .project-preview-knowledge aside {
    display: none;
  }

  .project-preview-main {
    min-height: 260px;
    padding: 28px;
  }

  .project-preview-rag,
  .project-preview-quant,
  .project-preview-knowledge main,
  .project-preview-reader main {
    padding: 20px;
  }

  .rag-answer,
  .rag-flow {
    grid-column: auto;
    grid-row: auto;
  }

  .rag-flow,
  .quant-pipeline,
  .project-preview-knowledge main,
  .project-preview-reader main {
    grid-template-columns: 1fr;
  }

  .project-preview-quant {
    grid-template-rows: auto;
  }

  .quant-chart,
  .quant-pipeline,
  .kb-card.wide,
  .kb-heat {
    grid-column: auto;
  }

  .kb-heat {
    grid-template-columns: repeat(7, 1fr);
  }

  .project-tabs {
    grid-template-columns: 1fr;
  }

  .project-tab {
    border-right: 0;
    border-bottom: 1px dashed var(--border);
  }

  .project-tab:last-child {
    border-bottom: 0;
  }

  .project-modal-body {
    padding: 22px;
  }

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

  .project-kpi-grid,
  .project-flow,
  .project-role-list {
    grid-template-columns: 1fr;
  }

  .tech-stack-grid {
    justify-content: flex-start;
    padding-inline: 0;
  }

  .experience-summary {
    grid-template-columns: 46px minmax(0, 1fr) 22px;
    align-items: flex-start;
    min-height: 0;
  }

  .experience-meta {
    grid-column: 2;
    text-align: left;
  }

  .experience-arrow {
    grid-column: 3;
    grid-row: 1;
  }

  .experience-body > .project-list {
    padding-left: 40px;
  }

  .contact-list {
    min-width: 0;
  }

  [data-tooltip]::before,
  [data-tooltip]::after {
    display: none;
  }

  .timeline-time {
    white-space: normal;
  }
}

@media print {
  :root {
    --bg: #ffffff;
    --surface: #ffffff;
    --surface-soft: #ffffff;
    --text: #111111;
    --muted: #333333;
    --faint: #555555;
    --border: #d3d3d3;
    --frame: 100%;
  }

  body {
    background: #ffffff;
    font-size: 12px;
    line-height: 1.45;
  }

  .site-shell {
    padding: 0;
  }

  .topbar,
  .scroll-toc,
  .dot-grid,
  .back-to-top,
  .footer,
  .no-print {
    display: none !important;
  }

  .frame {
    border: 0;
    width: 100%;
    background: #ffffff;
  }

  .frame::before,
  .frame::after {
    display: none;
  }

  .section::after {
    height: 1px;
    background: var(--border);
  }

  .section-inner {
    padding: 14px 0;
  }

  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 16px;
    margin-bottom: 10px;
  }

  h3 {
    font-size: 13px;
  }

  .resume-project,
  .resume-card,
  .timeline-item,
  .skill-card,
  .metric-card,
  .panel {
    break-inside: avoid;
    box-shadow: none;
  }

  .resume-grid,
  .skills-grid,
  .resume-summary-grid {
    grid-template-columns: 1fr 1fr;
  }

  .print-only {
    display: block;
  }
}