:root {
  --color-primary: #C0392B;
  --color-accent-1: #F39C12;
  --color-accent-2: #1E8449;
  --color-background: #FAF3E7;
  --color-surface: #FFF8EE;
  --color-text: #241F1B;
  --color-text-secondary: #3D3A35;
  --color-line: #B5654A;
  --color-highlight: #FADEDA;
  --color-outline: #E6D6C0;
  --color-white: #FFF9F0;
  --font-display: "Playfair Display", "Songti SC", "STSong", "Noto Serif SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --header-h: 76px;
  --shadow: 0 1px 0 rgba(36, 31, 27, 0.06), 0 12px 30px -18px rgba(36, 31, 27, 0.25);
}

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

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

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

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

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

::selection {
  background: var(--color-primary);
  color: #fff;
}

#main-content {
  scroll-margin-top: var(--header-h);
  display: block;
  min-height: 60vh;
}

body.no-scroll {
  overflow: hidden;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-accent-1);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  padding: 0.75rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  border-radius: 0 0 6px 0;
  transform: translateY(-120%);
  transition: transform 0.2s ease;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 600;
  width: var(--scroll-progress, 0%);
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent-1) 100%);
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 243, 231, 0.86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-outline);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0 33%, var(--color-accent-1) 33% 66%, var(--color-accent-2) 66% 100%);
  pointer-events: none;
}

.header-shell {
  position: relative;
  width: min(1280px, 100% - 2rem);
  min-height: var(--header-h);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: var(--header-h);
  position: relative;
  z-index: 3;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 40px;
}

.brand-chili {
  position: relative;
  display: inline-block;
  width: 14px;
  height: 34px;
  background: var(--color-primary);
  border-radius: 45% 55% 50% 50% / 60% 60% 40% 40%;
  transform: rotate(-14deg);
}

.brand-chili::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 5px;
  height: 11px;
  background: var(--color-accent-2);
  border-radius: 2px 2px 4px 4px;
  transform: translateX(-50%);
}

.brand-chili::after {
  content: "";
  position: absolute;
  left: -6px;
  top: 10px;
  width: 13px;
  height: 13px;
  background: var(--color-accent-1);
  border-radius: 50%;
  opacity: 0.9;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--color-text);
}

.brand-tag {
  display: none;
  margin-left: 0.25rem;
  padding-left: 0.6rem;
  border-left: 2px solid var(--color-accent-1);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--color-text-secondary);
  text-transform: uppercase;
}

.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav-link {
  display: inline-block;
  padding: 0.8rem 0.55rem;
  border-bottom: 3px solid transparent;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.2;
  color: var(--color-text);
}

.nav-link:hover {
  color: var(--color-primary);
  background: linear-gradient(transparent 68%, var(--color-highlight) 68%);
}

.nav-link[aria-current="page"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background: var(--color-highlight);
}

.nav-toggle {
  display: none;
  position: relative;
  z-index: 3;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
}

.nav-toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-toggle-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  white-space: nowrap;
  clip-path: inset(50%);
}

.back-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 400;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.7rem 0.95rem;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.back-top:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

body.no-scroll .back-top,
body.no-scroll .scroll-progress {
  display: none;
}

.site-footer {
  position: relative;
  margin-top: clamp(4rem, 8vw, 7rem);
  overflow: hidden;
  background: var(--color-text);
  color: var(--color-background);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0 40%, var(--color-accent-1) 40% 70%, var(--color-accent-2) 70% 100%);
}

.footer-shell {
  width: min(1280px, 100% - 2rem);
  margin-inline: auto;
}

.footer-top {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  padding-block: clamp(2.5rem, 6vw, 4rem) 2rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-white);
}

.footer-brand .brand-name {
  color: var(--color-white);
  font-size: 1.6rem;
}

.footer-about {
  max-width: 34rem;
  margin-top: 1rem;
  font-size: 0.95rem;
  color: rgba(250, 243, 231, 0.68);
}

.footer-group-label {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-1);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.footer-links a {
  display: inline-block;
  padding: 0.3rem 0;
  font-size: 0.9rem;
  color: rgba(250, 243, 231, 0.82);
  border-bottom: 1px solid transparent;
}

.footer-links a:hover {
  color: #fff;
  border-bottom-color: var(--color-accent-1);
}

.footer-contact {
  display: grid;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: rgba(250, 243, 231, 0.8);
}

.footer-contact-item {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
}

.footer-contact-label {
  min-width: 4.5em;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent-1);
}

.footer-contact-link {
  display: inline-flex;
  align-self: start;
  margin-top: 0.6rem;
  padding: 0.35rem 0;
  font-weight: 700;
  color: var(--color-accent-1);
  border-bottom: 2px solid currentColor;
}

.footer-contact-link:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
  border-top: 1px solid rgba(250, 243, 231, 0.14);
}

.footer-note-line {
  max-width: 38rem;
  font-size: 0.82rem;
  color: rgba(250, 243, 231, 0.58);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.footer-legal a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: rgba(250, 243, 231, 0.75);
  border-bottom: 1px solid transparent;
}

.footer-legal a:hover {
  color: #fff;
  border-bottom-color: var(--color-accent-1);
}

.footer-legacy {
  color: var(--color-accent-1);
}

.footer-legacy::before {
  content: "↳ ";
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  padding-block: 1rem;
  border-top: 1px solid rgba(250, 243, 231, 0.12);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(250, 243, 231, 0.5);
}

.container,
.page-container {
  width: min(1120px, 100% - 2rem);
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: clamp(3rem, 8vw, 5.5rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.eyebrow::before {
  content: "";
  width: 2rem;
  height: 3px;
  background: var(--color-accent-1);
}

.display-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.lede {
  max-width: 40rem;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.panel {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  background: var(--color-surface);
  border: 1px solid var(--color-outline);
}

.glass-panel {
  background: rgba(255, 248, 238, 0.72);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(230, 214, 192, 0.8);
}

.panel--red {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.panel--yellow {
  background: var(--color-accent-1);
  border-color: var(--color-accent-1);
  color: var(--color-text);
}

.panel--green {
  background: var(--color-accent-2);
  border-color: var(--color-accent-2);
  color: #fff;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--color-outline);
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
}

.chip--red {
  background: var(--color-highlight);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.chip--yellow {
  background: #FDEBD0;
  border-color: var(--color-accent-1);
  color: var(--color-text);
}

.chip--green {
  background: #D5F5E3;
  border-color: var(--color-accent-2);
  color: var(--color-accent-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.7rem 1.25rem;
  border: 2px solid transparent;
  background: transparent;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1;
  text-align: center;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: #A93226;
  border-color: #A93226;
}

.btn-secondary {
  background: var(--color-accent-1);
  border-color: var(--color-accent-1);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: #E67E22;
  border-color: #E67E22;
}

.btn-ghost {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost:hover {
  background: var(--color-highlight);
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

.grid--2,
.grid--3,
.grid--aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}

.media {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--color-outline);
  background: linear-gradient(135deg, var(--color-outline), var(--color-surface));
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(36, 31, 27, 0.12));
  pointer-events: none;
}

.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media--landscape {
  aspect-ratio: 16 / 9;
}

.media--portrait {
  aspect-ratio: 3 / 4;
}

.media--square {
  aspect-ratio: 1 / 1;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-text-secondary);
}

.divider {
  height: 2px;
  margin-block: clamp(2rem, 5vw, 4rem);
  border: 0;
  background: linear-gradient(90deg, var(--color-line), var(--color-outline) 60%, transparent);
}

@media (min-width: 560px) {
  .brand-tag {
    display: inline;
  }
}

@media (min-width: 640px) {
  .grid--2,
  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .footer-top {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 2.5rem;
  }
}

@media (min-width: 881px) {
  .nav-toggle {
    display: none;
  }
}

@media (min-width: 960px) {
  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid--aside {
    grid-template-columns: minmax(0, 1fr) 320px;
  }
}

@media (max-width: 880px) {
  :root {
    --header-h: 64px;
  }

  .header-shell {
    min-height: 64px;
  }

  .brand {
    min-height: 64px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    margin-left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5.5rem 1.5rem 2rem;
    background: var(--color-background);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-2%);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    width: 100%;
    text-align: center;
  }

  .nav-link {
    display: block;
    padding: 0.65rem 0;
    border-bottom: 0;
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 8vw, 2.8rem);
    font-weight: 800;
    line-height: 1.1;
  }

  .nav-link::after {
    content: "";
    display: block;
    width: 2rem;
    height: 3px;
    margin: 0.25rem auto 0;
    background: var(--color-accent-1);
  }

  .nav-link:hover,
  .nav-link[aria-current="page"] {
    background: transparent;
    color: var(--color-primary);
  }

  .nav-link[aria-current="page"]::after {
    background: var(--color-primary);
  }

  .brand-tag {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .site-nav,
  .nav-toggle-line,
  .back-top,
  .skip-link {
    transition: none;
  }
}