:root {
  --color-primary: #0A1F44;
  --color-accent: #FF6B00;
  --color-gold: #FFD700;
  --color-jade: #146C5C;
  --color-wine: #5E1027;
  --color-indigo: #3C4F76;
  --color-light: #F5F7FA;
  --color-ink: #1A1A1A;
  --color-white: #FFFFFF;
  --font-heading: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --header-h: 80px;
  --radius-lg: 1rem;
  --radius-pill: 999px;
  --shadow-card: 0 1px 4px rgba(0,0,0,0.06), 0 8px 20px rgba(0,0,0,0.04);
  --content-max: 1200px;
}

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

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

body {
  margin: 0;
  font: 400 16px/1.7 var(--font-body);
  color: var(--color-ink);
  background: var(--color-light);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button {
  font-family: inherit;
}

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

ul, ol {
  margin: 0;
  padding: 0;
}

a {
  color: var(--color-indigo);
}

a:focus-visible {
  outline: none;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.site-header :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-gold);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  top: -120px;
  left: 1rem;
  z-index: 1000;
  padding: 0.625rem 1.25rem;
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(255,107,0,0.3);
  transition: top 0.3s var(--ease-out);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--color-primary);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 30px rgba(6,16,36,0.28);
  border-bottom-color: rgba(255,107,0,0.25);
}

.header-inner {
  width: min(100% - 2rem, var(--content-max));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: min-height 0.3s var(--ease-out);
}

.site-header.is-scrolled .header-inner {
  min-height: 64px;
}

.scroll-progress-wrap {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 500;
  background: rgba(10,31,68,0.45);
  pointer-events: none;
}

.scroll-progress {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-gold) 70%);
  border-radius: 0 2px 2px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6875rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px 4px 20px 6px;
  background: linear-gradient(135deg, var(--color-accent), #d95700);
  transform: skewX(-6deg);
  box-shadow: 0 4px 12px rgba(255,107,0,0.35);
  transition: transform 0.3s var(--ease-out);
}

.brand:hover .brand-mark,
.brand:focus-visible .brand-mark {
  transform: skewX(-6deg) translateY(-2px);
}

.brand-mark::after {
  content: "Q";
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: 1.375rem;
  color: var(--color-white);
  transform: skewX(6deg);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.1875rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--color-white);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.site-nav {
  position: relative;
  z-index: 10;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem;
  list-style: none;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: padding 0.3s var(--ease-out);
}

.site-header.is-scrolled .nav-list {
  padding: 0.25rem;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: block;
  padding: 0.5625rem 1rem;
  border-radius: var(--radius-pill);
  color: rgba(255,255,255,0.72);
  font-weight: 500;
  font-size: 0.9375rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s, background-color 0.2s;
}

.nav-link:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.08);
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.nav-link[aria-current="page"] {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(255,107,0,0.35);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1.125rem;
  border-radius: var(--radius-pill);
  background: rgba(255,215,0,0.08);
  border: 1px solid rgba(255,215,0,0.35);
  color: var(--color-gold);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s, transform 0.2s;
}

.nav-cta::before {
  content: "◧";
  font-size: 1rem;
  line-height: 1;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: rgba(255,215,0,0.15);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.2s;
}

.nav-toggle:hover {
  background: rgba(255,255,255,0.08);
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}

@media (max-width: 880px) {
  .header-inner {
    justify-content: flex-start;
    min-height: 68px;
  }

  .site-header.is-scrolled .header-inner {
    min-height: 60px;
  }

  .nav-cta {
    margin-left: auto;
    padding: 0.375rem 0.75rem;
    font-size: 0.78125rem;
  }

  .nav-cta::before {
    font-size: 0.9375rem;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 90;
    padding: 0.75rem 1rem 1rem;
    background: rgba(10,31,68,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,107,0,0.3);
    border-radius: 0 0 1.25rem 1.25rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.35);
  }

  .site-nav[data-open] {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    border: none;
    background: transparent;
    border-radius: 0;
  }

  .site-header.is-scrolled .nav-list {
    padding: 0;
  }

  .nav-item + .nav-item {
    margin-top: 0.375rem;
  }

  .nav-link {
    padding: 0.8125rem 1rem;
    border-radius: 0.875rem;
    font-size: 1rem;
  }

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

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

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

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

@media (max-width: 480px) {
  .brand-sub {
    display: none;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand-mark::after {
    font-size: 1.125rem;
  }

  .brand-name {
    font-size: 1.0625rem;
  }
}

.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  font-size: 0.9375rem;
}

.footer-accent {
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-gold), var(--color-primary));
  background-size: 200% 100%;
}

.footer-inner {
  width: min(100% - 2rem, var(--content-max));
  margin-inline: auto;
  padding-block: 3.5rem 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.footer-brand-link {
  text-decoration: none;
  color: var(--color-white);
}

.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  max-width: 34ch;
  line-height: 1.8;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.footer-heading {
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.footer-list {
  list-style: none;
}

.footer-list li + li {
  margin-top: 0.5rem;
}

.footer-list a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--color-white);
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.09);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.25rem;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}

.contact-item {
  white-space: nowrap;
}

.footer-meta {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.footer-trust {
  color: var(--color-gold);
  opacity: 0.8;
}

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

@media (max-width: 560px) {
  .footer-links {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .footer-meta {
    text-align: left;
    align-items: flex-start;
  }

  .footer-contact {
    flex-direction: column;
    gap: 0.25rem;
  }
}

.container {
  width: min(100% - 2rem, var(--content-max));
  margin-inline: auto;
}

.btn,
.btn-accent,
.btn-outline {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6875rem 1.25rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s, background-color 0.3s, color 0.3s;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  transform: scale(0);
  animation: btn-ripple 0.6s ease-out forwards;
  pointer-events: none;
}

@keyframes btn-ripple {
  to {
    transform: scale(1);
    opacity: 0;
  }
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 6px 18px rgba(255,107,0,0.28);
}

.btn-accent:hover {
  background: #e55c00;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,107,0,0.35);
}

.btn-outline {
  border-color: rgba(255,255,255,0.25);
  color: var(--color-white);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  padding: 1rem 0;
  font-size: 0.875rem;
  color: #8494b0;
  list-style: none;
}

.breadcrumbs-item + .breadcrumbs-item::before {
  content: " / ";
  color: #8494b0;
  margin-right: 0.375rem;
}

.breadcrumbs-item a {
  color: var(--color-accent);
  text-decoration: none;
}

.breadcrumbs-item a:hover {
  text-decoration: underline;
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.head-index {
  font-family: var(--font-mono);
  font-size: 0.72em;
  font-weight: 400;
  color: var(--color-accent);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.bento-card {
  grid-column: span 4;
  min-height: 150px;
  padding: 1.5rem;
  background: var(--color-white);
  border: 1px solid rgba(10,31,68,0.06);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(10,31,68,0.12);
}

.bento-card--accent,
.bento-card--jade,
.bento-card--wine,
.bento-card--indigo {
  color: rgba(255,255,255,0.9);
  border: none;
}

.bento-card--accent {
  background: var(--color-accent);
}

.bento-card--jade {
  background: var(--color-jade);
}

.bento-card--wine {
  background: var(--color-wine);
}

.bento-card--indigo {
  background: var(--color-indigo);
}

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

  .bento-card {
    grid-column: span 1;
  }
}

@media (max-width: 560px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
}

.glass-card {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  color: rgba(255,255,255,0.85);
  padding: 1.5rem;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 4rem 0 3.5rem;
  background: var(--color-primary);
  color: var(--color-white);
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,0,0.25), transparent 70%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: 10%;
  bottom: -12px;
  width: 40%;
  height: 8px;
  background: var(--color-accent);
  transform: skewX(-30deg);
  pointer-events: none;
}

.hero-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-white);
}

.hero-lead {
  margin-top: 1rem;
  max-width: 60ch;
  color: rgba(255,255,255,0.7);
  font-size: 1rem;
}

@media (max-width: 880px) {
  .page-hero {
    padding: 3rem 0 2.5rem;
  }
}

.diagonal-band {
  position: relative;
  height: 8px;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 24px) 100%, 0 100%);
  margin: 1.5rem 0;
}

.image-placeholder {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-indigo) 100%);
  color: rgba(255,255,255,0.5);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  overflow: hidden;
}

.image-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 20%, rgba(255,215,0,0.12), transparent 40%),
    repeating-linear-gradient(-45deg, rgba(255,255,255,0.03) 0 10px, transparent 10px 20px);
  pointer-events: none;
}

.image-placeholder::after {
  content: attr(data-label);
  position: relative;
  z-index: 1;
  padding: 0.5rem 1rem;
  background: rgba(10,31,68,0.5);
  border-radius: var(--radius-pill);
  color: rgba(255,255,255,0.8);
}

.image-placeholder--square {
  aspect-ratio: 1 / 1;
}

.image-placeholder--wide {
  aspect-ratio: 21 / 9;
}

@media (max-width: 768px) {
  .image-placeholder {
    aspect-ratio: 4 / 3;
  }

  .image-placeholder--wide {
    aspect-ratio: 16 / 9;
  }
}

.stat-number,
.gold-number {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.1;
}

.stat-number {
  color: var(--color-accent);
}

.gold-number {
  color: var(--color-gold);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3125rem 0.6875rem;
  border-radius: var(--radius-pill);
  background: rgba(10,31,68,0.06);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.chip--gold {
  background: rgba(255,215,0,0.16);
  color: #8c6d00;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s var(--ease-out), transform 0.45s var(--ease-out);
}

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: 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;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}