/* ===== /assets/site.css — PG试玩主站 全站共享样式 ===== */

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

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

body {
  margin: 0;
  min-height: 100%;
  color: #EBF3FF;
  font-family: "Inter", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  background-color: #0B1B33;
  background-image:
    radial-gradient(900px 520px at 84% -10%, rgba(49, 225, 225, .18), transparent 62%),
    radial-gradient(760px 460px at 4% 10%, rgba(255, 77, 157, .14), transparent 60%),
    radial-gradient(720px 440px at 62% 98%, rgba(255, 181, 71, .13), transparent 62%),
    linear-gradient(180deg, #0B1B33 0%, #0C1E38 46%, #0A172C 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- 变量 ---------- */
:root {
  --ink: #0B1B33;
  --ink-2: #132B4D;
  --cyan: #31E1E1;
  --magenta: #FF4D9D;
  --amber: #FFB547;
  --ice: #EBF3FF;
  --mist: #94AAC8;
  --mint: #2EE6A8;
  --mid: #1B4E7A;
  --line: rgba(148, 170, 200, .22);
  --shell: 1240px;
  --r: 16px;
  --dur: 240ms;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- 基础排版 ---------- */
h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2rem, 4.6vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.45rem); }
p { margin: 0 0 1em; max-width: 68ch; }
p:last-child { margin-bottom: 0; }

a { color: var(--cyan); text-decoration: none; }
a:hover { color: #7ff0f0; }

ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
li { margin-bottom: .3em; }

.mono,
code, kbd, samp {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

.display {
  margin: 0;
  font-weight: 200;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -.02em;
}

.lede {
  max-width: 60ch;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.72;
  color: #C9D9F0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mist);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: .65;
}

.section__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 200;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: .95;
  letter-spacing: -.02em;
  color: rgba(49, 225, 225, .24);
}

.light-band {
  display: block;
  height: 3px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta) 50%, var(--amber));
  opacity: .85;
}

/* ---------- 布局 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 22px;
}

.section { padding: clamp(40px, 7vw, 88px) 0; }
.section > .shell > .eyebrow { margin-bottom: 14px; }

.grid {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
}
.grid--asym { grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); }

/* ---------- 焦点与可访问 ---------- */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 18px;
  top: -70px;
  z-index: 140;
  padding: 10px 16px;
  border-radius: 0 0 10px 10px;
  background: var(--cyan);
  color: #062033;
  font-weight: 700;
  transition: top 180ms ease;
}
.skip-link:focus { top: 0; color: #062033; }

/* ---------- 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--mist);
}
.crumbs a { color: var(--mist); }
.crumbs a:hover { color: var(--cyan); }
.crumbs__sep { opacity: .5; }
.crumbs [aria-current="page"] { color: var(--ice); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur) ease, background var(--dur) ease, border-color var(--dur) ease, color var(--dur) ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: linear-gradient(100deg, var(--cyan), #8EF2F2);
  color: #062033;
}
.btn--primary:hover { color: #062033; }
.btn--ghost {
  color: var(--ice);
  border-color: rgba(148, 170, 200, .38);
  background: rgba(19, 43, 77, .6);
}
.btn--ghost:hover {
  color: var(--cyan);
  border-color: rgba(49, 225, 225, .55);
  background: rgba(49, 225, 225, .1);
}
.btn--amber {
  background: linear-gradient(100deg, var(--amber), #FFD79A);
  color: #33210A;
}
.btn--amber:hover { color: #33210A; }

/* ---------- 面板与框景 ---------- */
.panel {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(160deg, rgba(19, 43, 77, .86), rgba(11, 27, 51, .94));
}
.panel--chamfer {
  border-radius: 0;
  clip-path: polygon(0 16px, 16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.frame {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid rgba(148, 170, 200, .26);
  border-radius: var(--r);
  background:
    linear-gradient(150deg, rgba(19, 43, 77, .72), rgba(11, 27, 51, .92));
}
.frame::before,
.frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--cyan);
  opacity: .6;
}
.frame::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.frame::after { right: -1px; bottom: -1px; border-top: 0; border-left: 0; }

/* ---------- 数据组件 ---------- */
.stat { display: grid; gap: 4px; }
.stat__value {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--amber);
}
.stat__label {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}

.heat-bar {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 170, 200, .16);
  overflow: hidden;
}
.heat-bar__fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  transition: width 320ms ease;
}
.heat-bar--ac .heat-bar__fill { background: linear-gradient(90deg, var(--magenta), var(--amber)); }

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint);
}
.status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(46, 230, 168, .18);
}

.rec-scroll { overflow-x: auto; }
.rec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.rec-table th,
.rec-table td {
  padding: 11px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(148, 170, 200, .16);
  white-space: nowrap;
}
.rec-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
  background: rgba(19, 43, 77, .72);
}
.rec-table tbody tr:nth-child(even) { background: rgba(19, 43, 77, .34); }
.rec-table td.mono { color: var(--amber); }

/* ---------- 标签页（JS 协议） ---------- */
.tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.tab {
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: rgba(19, 43, 77, .55);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  cursor: pointer;
  transition: color var(--dur) ease, background var(--dur) ease;
}
.tab:hover { color: var(--ice); background: rgba(49, 225, 225, .12); }
.tab[aria-selected="true"] {
  color: #062033;
  background: linear-gradient(100deg, var(--cyan), #8EF2F2);
}
.tabpanel { padding-top: 20px; }
.tabpanel[hidden] { display: none; }

/* ---------- 图片容器（页面阶段放图） ---------- */
.img-frame {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(148, 170, 200, .22);
  border-radius: 14px;
  background-color: #0E2140;
  background-image:
    repeating-linear-gradient(135deg, rgba(148, 170, 200, .08) 0 1px, transparent 1px 14px),
    linear-gradient(160deg, rgba(49, 225, 225, .12), rgba(255, 77, 157, .12) 55%, rgba(255, 181, 71, .12));
}
.img-frame__media {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.img-frame--wide .img-frame__media { aspect-ratio: 21 / 9; }
.img-frame--tall .img-frame__media { aspect-ratio: 4 / 5; }
.img-frame__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px 14px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ice);
  background: linear-gradient(0deg, rgba(8, 18, 34, .92), transparent);
}

/* ---------- 显现动画 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 320ms ease, transform 320ms ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 页头：紧凑命令栏 ---------- */
.cmd-bar {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(9, 21, 40, .92);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid rgba(148, 170, 200, .18);
}
.cmd-bar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta) 50%, var(--amber));
  opacity: .7;
  pointer-events: none;
}

.cmd-bar__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 14px 22px;
  transition: padding var(--dur) ease;
}
.cmd-bar[data-condensed] .cmd-bar__inner { padding: 7px 22px; }

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  color: var(--ice);
  text-decoration: none;
}
.brand__mark {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .02em;
  background: linear-gradient(100deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand__name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
}
.brand__ver {
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
}

.cmd-nav { flex: 1 1 auto; }
.cmd-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: navidx;
}
.cmd-nav__list li { margin: 0; }
.cmd-nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--dur) ease, background var(--dur) ease, border-color var(--dur) ease;
}
.cmd-nav__link::before {
  counter-increment: navidx;
  content: counter(navidx, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: rgba(148, 170, 200, .75);
}
.cmd-nav__link:hover,
.cmd-nav__link:focus-visible {
  color: var(--ice);
  background: rgba(49, 225, 225, .1);
  border-color: rgba(49, 225, 225, .3);
}
.cmd-nav__link[aria-current="page"] {
  color: #062033;
  font-weight: 700;
  background: linear-gradient(100deg, var(--cyan), #8CF2F2);
  border-color: transparent;
}
.cmd-nav__link[aria-current="page"]::before { color: rgba(6, 32, 51, .6); }

.cmd-bar__tools {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.chip-row { display: flex; gap: 6px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: transform var(--dur) ease, background var(--dur) ease;
}
.chip:hover { transform: translateY(-1px); }
.chip__code { font-weight: 700; }
.chip__label {
  font-family: "Inter", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
  font-size: 11px;
  letter-spacing: .08em;
  opacity: .85;
}
.chip--sl { color: var(--cyan); border-color: rgba(49, 225, 225, .45); background: rgba(49, 225, 225, .1); }
.chip--sl:hover { color: var(--cyan); background: rgba(49, 225, 225, .2); }
.chip--ac { color: var(--magenta); border-color: rgba(255, 77, 157, .45); background: rgba(255, 77, 157, .1); }
.chip--ac:hover { color: var(--magenta); background: rgba(255, 77, 157, .2); }
.chip--tb { color: var(--amber); border-color: rgba(255, 181, 71, .45); background: rgba(255, 181, 71, .1); }
.chip--tb:hover { color: var(--amber); background: rgba(255, 181, 71, .2); }

.kbd-hint {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
  white-space: nowrap;
}
.kbd-hint kbd {
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--ink-2);
  color: var(--ice);
  font-size: 10px;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid rgba(148, 170, 200, .38);
  border-radius: 10px;
  background: rgba(19, 43, 77, .6);
  color: var(--ice);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur) ease;
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { bottom: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-4.5px) rotate(-45deg); }
.nav-toggle__label { letter-spacing: .04em; }

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  z-index: 2;
  display: block;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta), var(--amber));
  transition: width 120ms linear;
}

/* ---------- 页脚 ---------- */
.site-foot {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(19, 43, 77, .6), rgba(8, 18, 34, .96));
}
.site-foot::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--magenta) 50%, var(--cyan));
  opacity: .6;
}
.site-foot__inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: clamp(36px, 5vw, 56px) 22px 26px;
}

.foot-brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.foot-brand__name {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.01em;
}
.foot-brand__note {
  margin: 0;
  max-width: 56ch;
  color: var(--mist);
  font-size: 14px;
}

.foot-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  padding: 30px 0;
}
.foot-col__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
}
.foot-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.foot-list li { margin: 0; }
.foot-list a {
  color: var(--ice);
  font-size: 15px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}
.foot-list a:hover { color: var(--cyan); border-color: rgba(49, 225, 225, .5); }

.foot-note {
  margin: 16px 0 0;
  max-width: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.95;
  letter-spacing: .02em;
  color: var(--mist);
}

.foot-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}
.foot-legal__meta,
.foot-legal__contact { margin: 0; max-width: none; }

/* ---------- 平板 ---------- */
@media (max-width: 1100px) {
  .kbd-hint { display: none; }
}

@media (max-width: 960px) {
  .grid--asym { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
}

/* ---------- 移动端命令栏 ---------- */
@media (max-width: 959px) {
  .cmd-bar__inner { flex-wrap: wrap; padding: 10px 16px; gap: 10px; }
  .cmd-bar[data-condensed] .cmd-bar__inner { padding: 8px 16px; }

  .cmd-nav {
    position: absolute;
    left: 12px;
    right: 12px;
    top: calc(100% + 8px);
    padding: 10px;
    border: 1px solid rgba(49, 225, 225, .26);
    border-radius: 14px;
    background: linear-gradient(180deg, #12294A, #0C1E38);
    box-shadow: 0 24px 60px rgba(0, 0, 0, .55);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--dur) ease, transform var(--dur) ease, visibility var(--dur) ease;
  }
  .cmd-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .cmd-nav__list { flex-direction: column; gap: 2px; }
  .cmd-nav__link {
    width: 100%;
    padding: 12px 12px;
    font-size: 15px;
    border-radius: 10px;
  }
  .nav-toggle { display: inline-flex; }
  .cmd-bar__tools { gap: 8px; }
}

/* ---------- 手机 ---------- */
@media (max-width: 720px) {
  body { font-size: 16px; }
  .chip__label { display: none; }
  .chip { padding: 6px 9px; }
  .foot-grid { grid-template-columns: 1fr; }
  .foot-brand__name { font-size: 20px; }
}

@media (max-width: 420px) {
  .shell { padding: 0 16px; }
  .btn--ghost { padding: 8px 10px; font-size: 13px; }
  .nav-toggle__label { display: none; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .btn:hover,
  .chip:hover { transform: none; }
}