/* ==========================================================================
   葡京娱乐中心 · 共享站点样式 /assets/site.css
   封面层 — 索引层 — 内容层 — 收束层
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, figcaption, blockquote, dl, dd, pre { margin: 0; }

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

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

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

button, input, select, textarea { font: inherit; color: inherit; }

button { background: none; border: 0; padding: 0; cursor: pointer; }

table { border-collapse: collapse; border-spacing: 0; }

/* ---------- 2. 设计变量 ---------- */
:root {
  --pj-wine: #6E1F2C;
  --pj-wine-deep: #4A1420;
  --pj-gold: #C9A45C;
  --pj-gold-light: #E4CE9B;
  --pj-cream: #F5EEE3;
  --pj-warm: #FBF7F0;
  --pj-ink: #1C1715;
  --pj-celadon: #4C7A6B;
  --pj-ochre: #B4552E;

  --pj-ink-soft: rgba(28, 23, 21, .66);
  --pj-on-dark: rgba(251, 247, 240, .78);
  --pj-hairline: rgba(28, 23, 21, .14);
  --pj-hairline-gold: rgba(201, 164, 92, .28);

  --pj-shell: 1200px;
  --pj-shell-wide: 1320px;
  --pj-gutter: clamp(1.125rem, 4vw, 3.5rem);
  --pj-header-h: 76px;

  --pj-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --pj-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;

  --pj-ease: cubic-bezier(.2, .7, .2, 1);
  --pj-lift: 0 26px 56px -34px rgba(28, 23, 21, .55);
}

/* ---------- 3. 基础排版 ---------- */
body {
  font-family: var(--pj-sans);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--pj-ink);
  background-color: var(--pj-cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--pj-serif);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: -.01em;
}

strong { font-weight: 600; }

::selection { background: var(--pj-wine); color: var(--pj-gold-light); }

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

html { scroll-padding-top: calc(var(--pj-header-h) + 1.25rem); }

#main-content {
  display: block;
  padding-top: var(--pj-header-h);
}

#main-content:has([data-cover]) { padding-top: 0; }

/* ---------- 4. 跳转链接 ---------- */
.pj-skip {
  position: fixed;
  top: .5rem;
  left: .5rem;
  z-index: 130;
  padding: .62rem 1.05rem;
  font-size: .875rem;
  letter-spacing: .08em;
  color: var(--pj-gold-light);
  background: var(--pj-wine);
  border: 1px solid var(--pj-gold);
  transform: translateY(-200%);
  transition: transform .25s var(--pj-ease);
}

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

/* ---------- 5. 页头 ---------- */
.pj-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  background-color: var(--pj-cream);
  color: var(--pj-ink);
  border-bottom: 1px solid var(--pj-gold);
  transition: background-color .35s var(--pj-ease),
              color .35s var(--pj-ease),
              border-color .35s var(--pj-ease);
}

.pj-header::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(180deg, rgba(28, 23, 21, .66), rgba(28, 23, 21, .16) 62%, rgba(28, 23, 21, 0));
  transition: opacity .35s var(--pj-ease);
}

.pj-header[data-overlay]:not([data-scrolled]) {
  background-color: transparent;
  color: var(--pj-warm);
  border-bottom-color: transparent;
}

.pj-header[data-overlay]:not([data-scrolled])::before { opacity: 1; }

.pj-header__inner {
  position: relative;
  z-index: 1;
  max-width: var(--pj-shell-wide);
  margin-inline: auto;
  min-height: var(--pj-header-h);
  padding: 0 var(--pj-gutter);
  display: flex;
  align-items: center;
  gap: clamp(.6rem, 2vw, 1.6rem);
}

/* 品牌组合 */
.pj-brand {
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  flex: 0 0 auto;
  padding: .5rem 0;
}

.pj-brand__seal {
  width: 2.35rem;
  height: 2.35rem;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  font-family: var(--pj-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--pj-gold-light);
  background: var(--pj-wine);
  border: 1px solid var(--pj-gold);
  box-shadow: inset 0 0 0 3px rgba(201, 164, 92, .22);
}

.pj-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.18;
}

.pj-brand__name {
  font-family: var(--pj-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: .07em;
}

.pj-brand__tag {
  margin-top: .18rem;
  font-size: .6875rem;
  letter-spacing: .3em;
  opacity: .68;
}

/* 主导航 */
.pj-nav {
  margin-left: auto;
  min-width: 0;
}

.pj-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(.35rem, 1.7vw, 1.5rem);
}

.pj-nav__item { display: block; }

.pj-nav__link {
  position: relative;
  display: inline-block;
  padding: .5rem .12rem;
  font-size: .9375rem;
  letter-spacing: .06em;
  white-space: nowrap;
  transition: color .3s var(--pj-ease);
}

.pj-nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: .12rem;
  height: 1px;
  background: var(--pj-gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .35s var(--pj-ease);
}

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

.pj-nav__link[aria-current="page"] { color: var(--pj-wine); }

.pj-header[data-overlay]:not([data-scrolled]) .pj-nav__link[aria-current="page"] {
  color: var(--pj-gold-light);
}

.pj-header__actions {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex: 0 0 auto;
  margin-left: clamp(.4rem, 1.6vw, 1.2rem);
}

/* 抽屉开关 */
.pj-nav-toggle {
  display: none;
  align-items: center;
  gap: .55rem;
  margin-left: auto;
  padding: .5rem .1rem;
  color: inherit;
}

.pj-nav-toggle__bars {
  display: grid;
  gap: .3rem;
  width: 1.4rem;
}

.pj-nav-toggle__bar {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform .3s var(--pj-ease), opacity .3s var(--pj-ease);
}

.pj-nav-toggle__label {
  font-size: .75rem;
  letter-spacing: .26em;
}

.pj-header[data-open] .pj-nav-toggle__bar:nth-child(1) { transform: translateY(.3rem) rotate(45deg); }
.pj-header[data-open] .pj-nav-toggle__bar:nth-child(2) { opacity: 0; }
.pj-header[data-open] .pj-nav-toggle__bar:nth-child(3) { transform: translateY(-.3rem) rotate(-45deg); }

/* ---------- 6. 通用按钮 ---------- */
.pj-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .62rem 1.15rem;
  font-size: .875rem;
  letter-spacing: .08em;
  line-height: 1.4;
  border: 1px solid currentColor;
  border-radius: 2px;
  white-space: nowrap;
  transition: background-color .3s var(--pj-ease),
              color .3s var(--pj-ease),
              border-color .3s var(--pj-ease);
}

.pj-btn--solid {
  color: var(--pj-gold-light);
  background: var(--pj-wine);
  border-color: var(--pj-wine);
}

.pj-btn--solid:hover,
.pj-btn--solid:focus-visible {
  color: var(--pj-warm);
  background: var(--pj-wine-deep);
  border-color: var(--pj-gold);
}

.pj-btn--ghost {
  border-color: var(--pj-hairline-gold);
  color: inherit;
}

.pj-btn--ghost:hover,
.pj-btn--ghost:focus-visible {
  background: rgba(201, 164, 92, .18);
  border-color: var(--pj-gold);
}

/* ---------- 7. 页脚 ---------- */
.pj-footer {
  position: relative;
  overflow: hidden;
  color: var(--pj-cream);
  background-color: var(--pj-wine-deep);
  border-top: 1px solid var(--pj-gold);
}

.pj-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(90% 120% at 92% 0%, rgba(201, 164, 92, .18), transparent 58%),
    radial-gradient(70% 100% at 0% 100%, rgba(76, 122, 107, .16), transparent 62%),
    repeating-linear-gradient(90deg, rgba(201, 164, 92, .07) 0 1px, transparent 1px 108px);
}

.pj-footer__inner {
  position: relative;
  max-width: var(--pj-shell);
  margin-inline: auto;
  padding: clamp(2.75rem, 6vw, 4.5rem) var(--pj-gutter) clamp(1.75rem, 4vw, 2.75rem);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.5fr);
  gap: clamp(2rem, 4.5vw, 3.5rem);
}

.pj-footer__brand { min-width: 0; }

.pj-footer__mark {
  font-family: var(--pj-serif);
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--pj-warm);
}

.pj-footer__tagline {
  margin-top: .45rem;
  font-size: .75rem;
  letter-spacing: .34em;
  color: var(--pj-gold);
}

.pj-footer__note {
  margin-top: 1.15rem;
  max-width: 26em;
  font-size: .875rem;
  line-height: 1.9;
  color: var(--pj-on-dark);
}

.pj-footer__nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.75rem 1.5rem;
}

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

.pj-footer__col-title {
  font-family: var(--pj-sans);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .28em;
  color: var(--pj-gold);
  padding-bottom: .6rem;
  margin-bottom: .95rem;
  border-bottom: 1px solid var(--pj-hairline-gold);
}

.pj-footer__list { display: grid; gap: .55rem; }

.pj-footer__link {
  display: inline-block;
  font-size: .9375rem;
  color: var(--pj-on-dark);
  transition: color .3s var(--pj-ease), transform .3s var(--pj-ease);
}

.pj-footer__link:hover,
.pj-footer__link:focus-visible {
  color: var(--pj-gold-light);
  transform: translateX(.22rem);
}

.pj-footer__base {
  position: relative;
  max-width: var(--pj-shell);
  margin-inline: auto;
  padding: 1.35rem var(--pj-gutter) 2.6rem;
  border-top: 1px solid var(--pj-hairline-gold);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .45rem 1.75rem;
  font-size: .8125rem;
  line-height: 1.9;
  color: var(--pj-on-dark);
}

.pj-footer__contact-line { letter-spacing: .02em; }
.pj-footer__address { letter-spacing: .02em; }

.pj-footer__legal {
  color: var(--pj-gold);
  letter-spacing: .05em;
}

.pj-footer__copy {
  margin-left: auto;
  white-space: nowrap;
}

/* ---------- 8. 布局容器 ---------- */
.pj-shell {
  width: 100%;
  max-width: var(--pj-shell);
  margin-inline: auto;
  padding-inline: var(--pj-gutter);
}

.pj-shell--narrow { max-width: 880px; }

.pj-section { padding-block: clamp(3rem, 7vw, 6rem); }

.pj-section__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .75rem 1.25rem;
  padding-bottom: 1rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--pj-hairline);
}

.pj-section__title { font-size: clamp(1.75rem, 3.4vw, 2.75rem); }

.pj-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

/* ---------- 9. 文字工具 ---------- */
.pj-eyebrow {
  display: inline-block;
  font-size: .8125rem;
  letter-spacing: .3em;
  color: var(--pj-ochre);
}

.pj-num {
  font-family: var(--pj-sans);
  font-weight: 600;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
}

.pj-vertical {
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: .32em;
  font-size: .75rem;
}

.pj-tag {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .22rem .62rem;
  font-size: .75rem;
  letter-spacing: .12em;
  line-height: 1.7;
  color: var(--pj-wine);
  background: rgba(201, 164, 92, .14);
  border: 1px solid var(--pj-gold);
  border-radius: 2px;
}

.pj-tag--celadon {
  color: var(--pj-celadon);
  background: rgba(76, 122, 107, .12);
  border-color: var(--pj-celadon);
}

.pj-tag--ochre {
  color: var(--pj-ochre);
  background: rgba(180, 85, 46, .12);
  border-color: var(--pj-ochre);
}

/* ---------- 10. 正文容器 ---------- */
.pj-prose {
  max-width: 36em;
  color: var(--pj-ink);
}

.pj-prose > * + * { margin-top: 1.2em; }

.pj-prose h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin-top: 2.2em;
}

.pj-prose h3 {
  font-size: 1.1875rem;
  margin-top: 1.8em;
}

.pj-prose a {
  color: var(--pj-wine);
  text-decoration: underline;
  text-decoration-color: var(--pj-gold);
  text-decoration-thickness: 1px;
  text-underline-offset: .28em;
}

.pj-prose a:hover { color: var(--pj-ochre); }

.pj-prose ul > li {
  position: relative;
  padding-left: 1.2em;
  margin-top: .5em;
}

.pj-prose ul > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: .5rem;
  height: .5rem;
  border: 1px solid var(--pj-gold);
  border-radius: 50%;
}

.pj-prose ol {
  counter-reset: pj-ol;
}

.pj-prose ol > li {
  position: relative;
  padding-left: 2em;
  margin-top: .5em;
  counter-increment: pj-ol;
}

.pj-prose ol > li::before {
  content: counter(pj-ol, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--pj-gold);
}

.pj-prose blockquote {
  padding: .25rem 0 .25rem 1.25rem;
  font-family: var(--pj-serif);
  color: var(--pj-ink-soft);
  border-left: 3px solid var(--pj-gold);
}

.pj-prose table {
  width: 100%;
  font-size: .9375rem;
  line-height: 1.7;
}

.pj-prose th,
.pj-prose td {
  padding: .7rem .8rem;
  text-align: left;
  border-bottom: 1px solid var(--pj-hairline);
  vertical-align: top;
}

.pj-prose thead th {
  font-weight: 600;
  letter-spacing: .06em;
  background: rgba(110, 31, 44, .07);
  border-bottom-color: var(--pj-gold);
}

/* ---------- 11. 卡片 / 画框 / 图片容器 ---------- */
.pj-card {
  position: relative;
  padding: clamp(1.25rem, 2.4vw, 1.85rem);
  background: var(--pj-warm);
  border: 1px solid var(--pj-hairline);
  border-top: 3px solid var(--pj-wine);
  box-shadow: var(--pj-lift);
}

.pj-card__title {
  font-size: 1.1875rem;
  margin-bottom: .5rem;
}

.pj-card__meta {
  display: block;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--pj-ink-soft);
}

.pj-frame {
  position: relative;
  background: var(--pj-warm);
  border: 1px solid var(--pj-ink);
}

.pj-frame::after {
  content: "";
  position: absolute;
  inset: 6px;
  pointer-events: none;
  border: 1px solid rgba(201, 164, 92, .55);
}

.pj-figure { display: block; }

.pj-figure__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(201, 164, 92, .34), transparent 56%),
    linear-gradient(158deg, #2B0F17 0%, var(--pj-wine) 52%, #3A121C 100%);
}

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

.pj-figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(28, 23, 21, .18), rgba(28, 23, 21, 0) 45%, rgba(28, 23, 21, .32));
}

.pj-figure__caption {
  margin-top: .7rem;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--pj-ink-soft);
}

.pj-figure--wide .pj-figure__media { aspect-ratio: 21 / 9; }
.pj-figure--tall .pj-figure__media { aspect-ratio: 3 / 4; }
.pj-figure--square .pj-figure__media { aspect-ratio: 1 / 1; }

/* ---------- 12. 面包屑与章节目录 ---------- */
.pj-breadcrumb {
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--pj-ink-soft);
}

.pj-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
}

.pj-breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.pj-breadcrumb__item + .pj-breadcrumb__item::before {
  content: "/";
  color: var(--pj-gold);
}

.pj-breadcrumb__item a { color: var(--pj-wine); }

.pj-breadcrumb__item[aria-current="page"] { color: var(--pj-ink-soft); }

.pj-toc { font-size: .9375rem; }

.pj-toc__list { display: grid; gap: .1rem; }

.pj-toc__link {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding: .55rem .1rem;
  color: var(--pj-ink-soft);
  border-bottom: 1px dashed var(--pj-hairline);
  transition: color .3s var(--pj-ease),
              padding-left .3s var(--pj-ease),
              border-color .3s var(--pj-ease);
}

.pj-toc__link:hover {
  color: var(--pj-wine);
  padding-left: .35rem;
}

.pj-toc__link.is-active {
  color: var(--pj-wine);
  padding-left: .55rem;
  border-bottom-color: var(--pj-gold);
}

/* ---------- 13. 进度条与返回顶部 ---------- */
.pj-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  z-index: 100;
  background: linear-gradient(90deg, var(--pj-wine), var(--pj-gold));
  pointer-events: none;
}

.pj-totop {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 75;
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: var(--pj-gold-light);
  background: var(--pj-wine);
  border: 1px solid var(--pj-gold);
  border-radius: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .4s var(--pj-ease),
              transform .4s var(--pj-ease),
              visibility .4s var(--pj-ease),
              background-color .3s var(--pj-ease);
}

.pj-totop:hover { background: var(--pj-wine-deep); }

.pj-totop.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

/* ---------- 14. 滚动显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .6s var(--pj-ease), transform .6s var(--pj-ease);
}

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

/* ---------- 15. 抽屉开启时的滚动锁 ---------- */
.pj-nav-lock { overflow: hidden; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1000px) {
  :root { --pj-header-h: 68px; }

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

  .pj-nav {
    position: fixed;
    top: var(--pj-header-h);
    right: 0;
    bottom: 0;
    z-index: 92;
    display: block;
    width: min(86vw, 368px);
    margin: 0;
    padding: 1.9rem 1.6rem 3rem;
    overflow-y: auto;
    color: var(--pj-warm);
    background: var(--pj-wine-deep);
    border-left: 1px solid var(--pj-gold);
    box-shadow: -34px 0 64px -42px rgba(0, 0, 0, .75);
    transform: translateX(102%);
    transition: transform .42s var(--pj-ease);
  }

  .pj-header[data-open] .pj-nav { transform: translateX(0); }

  .pj-nav__list { display: block; }

  .pj-nav__link {
    display: block;
    padding: .95rem .2rem;
    font-size: 1.0625rem;
    color: var(--pj-cream);
    border-bottom: 1px solid var(--pj-hairline-gold);
  }

  .pj-nav__link::after { display: none; }

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

  .pj-nav__link[aria-current="page"]::before {
    content: "";
    display: inline-block;
    width: .42rem;
    height: .42rem;
    margin-right: .6rem;
    vertical-align: middle;
    background: var(--pj-gold);
    border-radius: 50%;
  }

  .pj-header__inner { gap: .6rem; }

  .pj-header__actions { margin-left: auto; }

  .pj-header__actions .pj-btn--ghost { display: none; }

  .pj-header__actions .pj-btn {
    padding: .55rem .9rem;
    font-size: .8125rem;
  }

  .pj-footer__inner { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 860px) {
  .pj-footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .pj-brand__tag { display: none; }
  .pj-brand__seal { width: 2.1rem; height: 2.1rem; font-size: 1rem; }
  .pj-brand__name { font-size: .9375rem; letter-spacing: .04em; }
  .pj-header__actions .pj-btn { padding: .5rem .72rem; letter-spacing: .04em; }
}

@media (max-width: 520px) {
  .pj-footer__nav { grid-template-columns: minmax(0, 1fr); }
  .pj-footer__copy { margin-left: 0; }
}

/* ==========================================================================
   动效偏好
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    transition-duration: .01ms;
    animation-duration: .01ms;
    animation-iteration-count: 1;
  }

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

  .pj-totop { transform: none; }
  .pj-nav { transition: none; }
}