*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

:root {
  --c-bg: #2D1B4E;
  --c-bg-deep: #1B1231;
  --c-ink: #12101E;
  --c-gold: #FFC857;
  --c-gold-bright: #FFD700;
  --c-neon: #00E5FF;
  --c-paper: #F5E9D6;
  --c-rose: #D81B60;
  --c-amber: #FF8C00;
  --c-white-dim: rgba(245, 233, 214, 0.72);
  --grad-gold: linear-gradient(135deg, #FFC857 0%, #FFD700 55%, #FF8C00 100%);
  --grad-bg: linear-gradient(155deg, #2D1B4E 0%, #1B1231 52%, #12101E 100%);
  --font-headline: "Arial Black", "Impact", "Microsoft YaHei", sans-serif;
  --font-serif: "Cormorant Garamond", "Georgia", "Times New Roman", serif;
  --font-body: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-mono: "Courier Prime", "Courier New", monospace;
  --container: 1240px;
  --header-z: 600;
  --transition: 0.25s ease;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-paper);
  background: var(--c-bg);
  background-image: var(--grad-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
  flex: 1 0 auto;
  width: 100%;
}

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

a {
  color: var(--c-gold);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--c-neon);
}

ul,
ol {
  list-style: none;
}

::selection {
  background: rgba(255, 200, 87, 0.85);
  color: var(--c-ink);
}

:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 3px;
  border-radius: 2px;
}

#main-content {
  scroll-margin-top: 118px;
  width: 100%;
}

#main-content:focus {
  outline: none;
}

.site-container {
  width: min(var(--container), 100%);
  margin-inline: auto;
  padding-inline: clamp(1rem, 3vw, 2rem);
}

.site-section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 10000;
  padding: 0.6rem 1.1rem;
  background: var(--c-paper);
  color: var(--c-ink);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 0 0 2px var(--c-neon), 0 6px 20px rgba(18, 16, 30, 0.5);
  transform: translateY(-220%);
  transition: transform var(--transition);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--header-z);
  background: var(--c-bg);
  box-shadow: 0 8px 30px rgba(18, 16, 30, 0.35);
}

.site-header__topline {
  position: fixed;
  top: 0;
  left: 0;
  z-index: calc(var(--header-z) + 10);
  height: 3px;
  width: 0%;
  background: var(--grad-gold);
  box-shadow: 0 0 14px rgba(255, 200, 87, 0.55);
  pointer-events: none;
}

.site-header__layer {
  width: 100%;
}

.site-header__layer--top {
  position: relative;
  background-color: var(--c-bg);
  background-image: repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 12px);
  border-bottom: 1px solid rgba(255, 215, 0, 0.16);
}

.site-header__layer--nav {
  background: linear-gradient(90deg, rgba(18, 16, 30, 0.92) 0%, rgba(35, 21, 58, 0.96) 55%, rgba(18, 16, 30, 0.92) 100%);
  border-top: 1px solid rgba(255, 200, 87, 0.32);
  border-bottom: 1px solid rgba(255, 200, 87, 0.12);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.75rem;
}

.site-header__inner--nav {
  padding-block: 0;
}

.site-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  line-height: 1.2;
  text-decoration: none;
  flex-shrink: 0;
}

.site-brand__mark {
  font-family: var(--font-headline);
  font-size: 2.125rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1;
  background: linear-gradient(180deg, #FFD700 0%, #FFC857 60%, #FF8C00 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 10px rgba(255, 200, 87, 0.32));
}

.site-brand__name {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-paper);
  white-space: nowrap;
}

.site-brand__sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.26em;
  color: var(--c-neon);
  text-transform: uppercase;
  padding-left: 0.55rem;
  margin-left: 0.45rem;
  border-left: 1px solid rgba(0, 229, 255, 0.45);
  white-space: nowrap;
}

.site-header__tagline {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: var(--c-white-dim);
  text-align: right;
  margin-left: auto;
}

.site-header__tagline::before {
  content: "//";
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-neon);
}

.site-header__tagline-note {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--c-gold);
  border-left: 1px solid rgba(255, 200, 87, 0.3);
  padding-left: 0.75rem;
  white-space: nowrap;
}

.site-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 11px 10px;
  background: transparent;
  border: 1px solid rgba(255, 200, 87, 0.4);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: background var(--transition), border-color var(--transition);
}

.site-nav-toggle:hover {
  background: rgba(255, 200, 87, 0.08);
  border-color: var(--c-gold);
}

.site-nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-gold);
  transition: transform var(--transition), opacity var(--transition);
}

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

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

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

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  counter-reset: nav-index;
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.75rem 1.05rem 0.8rem;
  font-size: 0.9375rem;
  letter-spacing: 0.12em;
  color: var(--c-paper);
  position: relative;
  transition: color var(--transition);
}

.site-nav__link::before {
  content: "0" counter(nav-index);
  counter-increment: nav-index;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--c-neon);
  opacity: 0.75;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 1.05rem;
  right: 1.05rem;
  bottom: 0.3rem;
  height: 2px;
  background: var(--grad-gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}

.site-nav__link:hover {
  color: var(--c-neon);
}

.site-nav__link:hover::before {
  opacity: 1;
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__link[aria-current="page"] {
  color: var(--c-gold);
}

.site-nav__link[aria-current="page"]::before {
  color: var(--c-gold);
}

.site-header__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
  padding: 0.55rem 1.35rem 0.55rem 1.2rem;
  background: var(--grad-gold);
  color: var(--c-ink);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.4;
  white-space: nowrap;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: filter var(--transition), transform var(--transition);
}

.site-header__cta::after {
  content: "→";
  font-size: 1.125rem;
  line-height: 1;
  transition: transform var(--transition);
}

.site-header__cta:hover {
  filter: brightness(1.09);
  transform: translateX(2px);
  color: var(--c-ink);
}

.site-header__cta:hover::after {
  transform: translateX(3px);
}

.site-footer {
  position: relative;
  flex-shrink: 0;
  margin-top: clamp(3rem, 7vw, 5.5rem);
  background: linear-gradient(180deg, #1B1231 0%, #12101E 100%);
  border-top: 1px solid rgba(255, 200, 87, 0.3);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-gold);
  opacity: 0.9;
}

.site-footer::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(-45deg, rgba(255, 200, 87, 0.024) 0 2px, transparent 2px 22px);
  pointer-events: none;
}

.site-footer .site-container {
  position: relative;
  z-index: 1;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
  gap: 2.25rem 2rem;
  padding-block: clamp(2.25rem, 5vw, 3.5rem) 2rem;
}

.site-footer__brand-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.site-footer__trust {
  font-size: 0.9063rem;
  line-height: 1.85;
  color: var(--c-white-dim);
  max-width: 34rem;
  letter-spacing: 0.03em;
}

.site-footer__col {
  min-width: 0;
}

.site-footer__heading {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--c-gold);
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.55rem;
  position: relative;
}

.site-footer__heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: var(--c-neon);
  opacity: 0.85;
}

.site-footer__links li + li {
  margin-top: 0.45rem;
}

.site-footer__links a {
  display: inline-block;
  color: var(--c-white-dim);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  transition: color var(--transition), padding-left var(--transition), text-shadow var(--transition);
}

.site-footer__links a:hover {
  color: var(--c-neon);
  padding-left: 0.4rem;
  text-shadow: 0 0 12px rgba(0, 229, 255, 0.35);
}

.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.site-footer__contact-item {
  display: flex;
  gap: 0.55rem;
  align-items: baseline;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--c-white-dim);
  overflow-wrap: anywhere;
}

.site-footer__contact-label {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--c-gold);
  border: 1px solid rgba(255, 200, 87, 0.28);
  padding: 0.05rem 0.4rem;
  margin-top: 0.25rem;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 2rem;
  padding-block: 1.15rem 1.35rem;
  border-top: 1px solid rgba(245, 233, 214, 0.1);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(245, 233, 214, 0.6);
}

.site-footer__copyright,
.site-footer__icp,
.site-footer__support {
  margin: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.9063rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.45;
  color: var(--c-ink);
  background: var(--grad-gold);
  border: 0;
  cursor: pointer;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: filter var(--transition), transform var(--transition);
}

.btn:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  color: var(--c-ink);
}

.btn--ghost {
  background: rgba(255, 200, 87, 0.08);
  color: var(--c-gold);
  box-shadow: inset 0 0 0 1px rgba(255, 200, 87, 0.55);
}

.btn--ghost:hover {
  background: rgba(255, 200, 87, 0.16);
  color: var(--c-gold);
  filter: none;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.7rem;
  margin-block: 1.1rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-white-dim);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--c-neon);
  font-weight: 700;
}

.breadcrumb__item a {
  color: var(--c-gold);
}

.breadcrumb__item a:hover {
  color: var(--c-neon);
}

.breadcrumb__item[aria-current="page"] {
  color: var(--c-paper);
}

.section-title {
  font-family: var(--font-headline);
  font-size: clamp(1.625rem, 4.2vw, 3rem);
  line-height: 1.18;
  letter-spacing: 0.04em;
  color: var(--c-paper);
  margin-bottom: 0.6rem;
}

.section-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.0625rem, 2vw, 1.4375rem);
  font-style: italic;
  line-height: 1.55;
  color: var(--c-gold);
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
}

.section-lead {
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--c-white-dim);
  max-width: 46rem;
}

.panel {
  position: relative;
  padding: clamp(1.25rem, 2.5vw, 2rem);
  background: linear-gradient(150deg, rgba(255, 200, 87, 0.1) 0%, rgba(27, 18, 49, 0.85) 38%, rgba(18, 16, 30, 0.92) 100%);
  border: 1px solid rgba(255, 200, 87, 0.16);
  box-shadow: 0 14px 40px rgba(18, 16, 30, 0.28);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.grid-bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
}

.grid-bento > * {
  grid-column: 1 / -1;
}

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  line-height: 1.4;
  color: var(--c-paper);
  background: rgba(255, 200, 87, 0.12);
  border-left: 2px solid var(--c-gold);
  padding: 0.3rem 0.8rem;
  transition: background var(--transition), color var(--transition);
}

a.tag:hover {
  background: var(--c-gold);
  color: var(--c-ink);
}

.tag--neon {
  border-left-color: var(--c-neon);
  background: rgba(0, 229, 255, 0.09);
}

.tag--rose {
  border-left-color: var(--c-rose);
  background: rgba(216, 27, 96, 0.12);
}

.img-ratio {
  position: relative;
  overflow: hidden;
  background: rgba(18, 16, 30, 0.55);
}

.img-ratio::before {
  content: "";
  display: block;
}

.img-ratio--cinema::before {
  padding-top: 42.857%;
}

.img-ratio--landscape::before {
  padding-top: 56.25%;
}

.img-ratio--square::before {
  padding-top: 100%;
}

.img-ratio--portrait::before {
  padding-top: 133.333%;
}

.img-ratio > img,
.img-ratio > .img-ratio__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

[data-spy-section] {
  scroll-margin-top: 130px;
}

[data-spy-section] .section-title {
  transition: color 0.3s ease, opacity 0.3s ease;
}

[data-spy-section][data-active="true"] .section-title {
  color: var(--c-gold);
  opacity: 0.95;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.js [data-reveal][data-revealed] {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 768px) {
  .grid-bento > [data-span="3"] {
    grid-column: span 3;
  }

  .grid-bento > [data-span="4"] {
    grid-column: span 4;
  }

  .grid-bento > [data-span="5"] {
    grid-column: span 5;
  }

  .grid-bento > [data-span="6"] {
    grid-column: span 6;
  }

  .grid-bento > [data-span="7"] {
    grid-column: span 7;
  }

  .grid-bento > [data-span="8"] {
    grid-column: span 8;
  }
}

@media (max-width: 1023px) {
  .site-header__tagline-note {
    display: none;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__brand-col {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  #main-content {
    scroll-margin-top: 72px;
  }

  [data-spy-section] {
    scroll-margin-top: 78px;
  }

  .site-header__inner {
    padding-block: 0.55rem;
  }

  .site-header__tagline {
    display: none;
  }

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

  .site-header__cta {
    display: none;
  }

  .site-header__inner--nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav {
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height 0.3s ease, visibility 0s linear 0.3s;
  }

  .site-nav[data-open] {
    max-height: 480px;
    visibility: visible;
    transition: max-height 0.3s ease, visibility 0s;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 0 0.75rem;
  }

  .site-nav__item {
    border-bottom: 1px solid rgba(245, 233, 214, 0.07);
  }

  .site-nav__item:last-child {
    border-bottom: 0;
  }

  .site-nav__link {
    padding: 0.8rem 0.4rem;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .site-footer__brand-col {
    grid-column: auto;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }
}

@media (max-width: 480px) {
  .site-brand__mark {
    font-size: 1.75rem;
  }

  .site-brand__name {
    font-size: 1rem;
    letter-spacing: 0.06em;
  }

  .site-brand__sub {
    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;
    transition-delay: 0ms !important;
  }

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

  .site-nav,
  .site-nav[data-open] {
    transition: none !important;
  }

  .site-header__topline {
    box-shadow: none;
  }
}