/* ==========================================================================
   财神棋牌新 · 共享样式表  /assets/site.css
   财神电玩厅：奶油纸底印刷网点 + 玻璃导航带 + 红金印章 + 霓虹青点睛
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  text-size-adjust: 100%;
}

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

ul[class],
ol[class] {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

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

button { cursor: pointer; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  color-scheme: light;

  --cz-red:        #C1121F;
  --cz-red-dark:   #8C0F1B;
  --cz-gold:       #E7B24C;
  --cz-gold-dark:  #9A742A;
  --cz-ink:        #15110E;
  --cz-ink-soft:   #3A302A;
  --cz-ink-mute:   #6B5E55;
  --cz-cream:      #F6EEDD;
  --cz-paper:      #FDF8EC;
  --cz-cyan:       #26E0C8;
  --cz-cyan-deep:  #14776B;
  --cz-purple:     #6E4BD1;
  --cz-verdigris:  #2C7A6B;
  --cz-glass:      rgba(255, 255, 255, 0.68);

  --cz-line:       rgba(21, 17, 14, 0.14);
  --cz-line-gold:  rgba(154, 116, 42, 0.40);

  --cz-font-display: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --cz-font-body:    "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --cz-font-mono:    "JetBrains Mono", "SF Mono", "Consolas", ui-monospace, monospace;
  --cz-font-serif:   "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;

  --cz-r-sm: 6px;
  --cz-r:    12px;
  --cz-r-lg: 20px;

  --cz-header-h:       78px;
  --cz-header-h-short: 58px;

  --cz-shadow-1: 0 1px 0 rgba(21, 17, 14, 0.08), 0 6px 18px -10px rgba(21, 17, 14, 0.45);
  --cz-shadow-2: 0 2px 0 rgba(21, 17, 14, 0.10), 0 16px 32px -16px rgba(140, 15, 27, 0.55);

  --cz-max:    1240px;
  --cz-gutter: clamp(16px, 4vw, 40px);
  --cz-ease:   cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  font-family: var(--cz-font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--cz-ink);
  background-color: var(--cz-cream);
  background-image:
    radial-gradient(circle at 10% -4%, rgba(193, 18, 31, 0.07), transparent 44%),
    radial-gradient(circle at 92% 4%, rgba(38, 224, 200, 0.09), transparent 40%),
    radial-gradient(circle at 50% 120%, rgba(110, 75, 209, 0.06), transparent 46%),
    radial-gradient(circle, rgba(154, 116, 42, 0.10) 1px, transparent 1.4px);
  background-size: auto, auto, auto, 7px 7px;
  background-attachment: fixed, fixed, fixed, scroll;
  min-height: 100vh;
  padding-top: var(--cz-header-h);
  overflow-x: hidden;
}

a {
  color: var(--cz-red);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover { color: var(--cz-red-dark); }

a[class] { text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--cz-cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

.cz-js:focus { outline: none; }

::selection {
  background: var(--cz-red);
  color: var(--cz-paper);
}

/* ---------- 4. 容器与正文列 ---------- */
.cz-container {
  width: 100%;
  max-width: var(--cz-max);
  margin-inline: auto;
  padding-inline: var(--cz-gutter);
}

.cz-prose {
  max-width: 42em;
}

.cz-prose > * + * { margin-top: 1.05em; }

.cz-prose h2 {
  font-family: var(--cz-font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-top: 2em;
}

.cz-prose h3 {
  font-family: var(--cz-font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.35;
  margin-top: 1.6em;
}

.cz-prose ul,
.cz-prose ol {
  padding-left: 1.3em;
}

.cz-prose li { margin-top: 0.4em; }

.cz-prose li::marker { color: var(--cz-gold-dark); }

.cz-prose strong { color: var(--cz-red-dark); }

/* ---------- 5. 跳过链接 ---------- */
.cz-skip {
  position: absolute;
  left: 14px;
  top: -80px;
  z-index: 200;
  display: inline-block;
  padding: 11px 18px;
  border-radius: 0 0 var(--cz-r) var(--cz-r);
  background: var(--cz-ink);
  color: var(--cz-gold);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  box-shadow: 0 10px 24px -14px rgba(0, 0, 0, 0.9);
  transition: top 160ms var(--cz-ease);
}

.cz-skip:focus,
.cz-skip:focus-visible {
  top: 0;
  color: var(--cz-gold);
}

/* ---------- 6. 页头 ---------- */
.cz-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--cz-glass);
  -webkit-backdrop-filter: blur(14px) saturate(1.5);
  backdrop-filter: blur(14px) saturate(1.5);
  border-bottom: 1px solid var(--cz-line-gold);
  transition: box-shadow 260ms var(--cz-ease);
}

.cz-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--cz-red) 0%, var(--cz-red) 32%,
    var(--cz-gold) 32%, var(--cz-gold) 62%,
    var(--cz-cyan) 62%, var(--cz-cyan) 72%,
    var(--cz-purple) 72%, var(--cz-purple) 86%,
    var(--cz-verdigris) 86%, var(--cz-verdigris) 100%
  );
}

.cz-header[data-scrolled] {
  box-shadow: 0 12px 30px -20px rgba(21, 17, 14, 0.85);
}

.cz-header__bar {
  position: relative;
  max-width: var(--cz-max);
  margin-inline: auto;
  padding-inline: var(--cz-gutter);
  height: var(--cz-header-h);
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  transition: height 220ms var(--cz-ease);
}

.cz-header[data-scrolled] .cz-header__bar { height: var(--cz-header-h-short); }

/* --- 品牌标记 --- */
.cz-brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--cz-ink);
  text-decoration: none;
}

.cz-brand__seal {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--cz-red);
  background-image:
    radial-gradient(circle at 30% 22%, rgba(255, 255, 255, 0.22), transparent 58%),
    linear-gradient(150deg, var(--cz-red), var(--cz-red-dark));
  color: var(--cz-gold);
  font-family: var(--cz-font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1;
  border-radius: 10px 5px 11px 6px / 6px 11px 5px 10px;
  box-shadow:
    inset 0 0 0 2px rgba(231, 178, 76, 0.55),
    0 7px 16px -9px rgba(140, 15, 27, 0.95);
  transition: width 200ms var(--cz-ease), height 200ms var(--cz-ease), font-size 200ms var(--cz-ease);
}

.cz-header[data-scrolled] .cz-brand__seal {
  width: 34px;
  height: 34px;
  font-size: 18px;
}

.cz-brand__body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.cz-brand__name {
  display: block;
  font-family: var(--cz-font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.15;
  letter-spacing: 0.04em;
  transition: font-size 200ms var(--cz-ease);
}

.cz-header[data-scrolled] .cz-brand__name { font-size: 17px; }

.cz-brand__tag {
  display: block;
  font-family: var(--cz-font-serif);
  font-size: 11.5px;
  line-height: 1.35;
  letter-spacing: 0.18em;
  color: var(--cz-ink-mute);
  white-space: nowrap;
}

.cz-header[data-scrolled] .cz-brand__tag { display: none; }

/* --- 中段：版本角标 + 快捷入口 --- */
.cz-header__mid {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.cz-version {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 11px 4px 9px;
  border: 1px solid var(--cz-line-gold);
  border-radius: 999px;
  background: rgba(253, 248, 236, 0.78);
  font-family: var(--cz-font-mono);
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
}

.cz-version__dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--cz-cyan);
  box-shadow: 0 0 0 3px rgba(38, 224, 200, 0.22);
  animation: cz-pulse 2.6s var(--cz-ease) infinite;
}

.cz-version__code {
  color: var(--cz-red);
  letter-spacing: 0.05em;
}

.cz-version__note {
  font-family: var(--cz-font-body);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--cz-ink-mute);
}

@keyframes cz-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(38, 224, 200, 0.22); }
  50%      { box-shadow: 0 0 0 6px rgba(38, 224, 200, 0.05); }
}

.cz-quick {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.cz-quick__btn {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 13px;
  border-radius: 999px;
  border: 1px solid rgba(154, 116, 42, 0.38);
  background: rgba(231, 178, 76, 0.20);
  color: var(--cz-ink);
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background 140ms var(--cz-ease), color 140ms var(--cz-ease),
              border-color 140ms var(--cz-ease), transform 140ms var(--cz-ease);
}

.cz-quick__btn:hover,
.cz-quick__btn:focus-visible {
  background: var(--cz-red);
  border-color: var(--cz-red-dark);
  color: var(--cz-paper);
  transform: translateY(-1px);
}

/* --- 主导航 --- */
.cz-nav {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

.cz-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.cz-nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 11px;
  border-radius: 9px;
  color: var(--cz-ink);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 140ms var(--cz-ease), background 140ms var(--cz-ease);
}

.cz-nav__link::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--cz-gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms var(--cz-ease);
}

.cz-nav__link:hover { color: var(--cz-red-dark); }
.cz-nav__link:hover::after { transform: scaleX(1); }

.cz-nav__link[aria-current="page"] {
  color: var(--cz-paper);
  background: var(--cz-red);
  box-shadow: 0 4px 0 var(--cz-red-dark);
}

.cz-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--cz-gold);
}

/* --- 移动端切换按钮 --- */
.cz-nav-toggle {
  display: none;
  position: relative;
  z-index: 110;
  align-items: center;
  gap: 9px;
  height: 42px;
  padding: 0 14px;
  border: 1px solid var(--cz-line-gold);
  border-radius: 11px;
  background: rgba(253, 248, 236, 0.86);
  color: var(--cz-ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

.cz-nav-toggle__bars,
.cz-nav-toggle__bars::before,
.cz-nav-toggle__bars::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--cz-ink);
  transition: transform 180ms var(--cz-ease), opacity 140ms var(--cz-ease),
              background 140ms var(--cz-ease);
}

.cz-nav-toggle__bars { position: relative; }

.cz-nav-toggle__bars::before { content: ""; position: absolute; top: -6px; left: 0; }
.cz-nav-toggle__bars::after  { content: ""; position: absolute; top: 6px;  left: 0; }

.cz-nav-toggle[aria-expanded="true"] .cz-nav-toggle__bars { background: transparent; }
.cz-nav-toggle[aria-expanded="true"] .cz-nav-toggle__bars::before {
  transform: translateY(6px) rotate(45deg);
  background: var(--cz-red);
}
.cz-nav-toggle[aria-expanded="true"] .cz-nav-toggle__bars::after {
  transform: translateY(-6px) rotate(-45deg);
  background: var(--cz-red);
}

/* --- 遮罩 --- */
.cz-scrim {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(21, 17, 14, 0.52);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 220ms var(--cz-ease), visibility 220ms var(--cz-ease);
}

.cz-scrim[data-show] {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.cz-nav-locked { overflow: hidden; }

/* ---------- 7. 页脚 ---------- */
.cz-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 100px);
  background: var(--cz-ink);
  color: rgba(246, 238, 221, 0.86);
  border-top: 4px solid var(--cz-red);
  overflow: hidden;
}

.cz-footer__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(620px 220px at 12% -6%, rgba(193, 18, 31, 0.48), transparent 70%),
    radial-gradient(520px 200px at 88% 8%, rgba(110, 75, 209, 0.34), transparent 72%),
    radial-gradient(460px 180px at 52% 108%, rgba(38, 224, 200, 0.16), transparent 74%),
    radial-gradient(circle, rgba(231, 178, 76, 0.16) 1px, transparent 1.5px);
  background-size: auto, auto, auto, 8px 8px;
}

.cz-footer__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 1.15fr) minmax(0, 2fr) minmax(250px, 1.25fr);
  gap: clamp(26px, 4vw, 56px);
  padding-block: clamp(40px, 6vw, 72px) clamp(28px, 4vw, 44px);
}

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

.cz-footer__name {
  margin-top: 14px;
  font-family: var(--cz-font-display);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: 0.06em;
  color: var(--cz-cream);
}

.cz-footer__motto {
  margin-top: 8px;
  font-family: var(--cz-font-serif);
  font-size: 14px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: rgba(231, 178, 76, 0.86);
}

.cz-footer__ver {
  margin-top: 12px;
  font-family: var(--cz-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(246, 238, 221, 0.52);
}

.cz-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 36px);
  min-width: 0;
}

.cz-footer__title {
  font-family: var(--cz-font-serif);
  font-weight: 600;
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.2em;
  color: var(--cz-gold);
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(231, 178, 76, 0.26);
}

.cz-footer__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cz-footer__link {
  display: inline-block;
  padding: 5px 0;
  color: rgba(246, 238, 221, 0.76);
  font-size: 15px;
  text-decoration: none;
  transition: color 140ms var(--cz-ease), transform 140ms var(--cz-ease);
}

.cz-footer__link:hover,
.cz-footer__link:focus-visible {
  color: var(--cz-gold);
  transform: translateX(3px);
}

.cz-contact-list {
  display: flex;
  flex-direction: column;
}

.cz-contact-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(231, 178, 76, 0.20);
}

.cz-contact-row:first-child { padding-top: 0; }
.cz-contact-row:last-child { border-bottom: 0; }

.cz-contact-row__label {
  font-family: var(--cz-font-serif);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: rgba(231, 178, 76, 0.78);
}

.cz-contact-row__main {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.cz-contact-row__value {
  font-family: var(--cz-font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(246, 238, 221, 0.92);
  word-break: break-word;
}

.cz-contact-row__label + .cz-contact-row__value { font-family: var(--cz-font-body); font-size: 14px; }

.cz-copy {
  flex: 0 0 auto;
  height: 26px;
  padding: 0 10px;
  border: 1px solid rgba(38, 224, 200, 0.45);
  border-radius: 999px;
  background: rgba(38, 224, 200, 0.10);
  color: var(--cz-cyan);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  transition: background 140ms var(--cz-ease), color 140ms var(--cz-ease),
              border-color 140ms var(--cz-ease);
}

.cz-copy:hover,
.cz-copy:focus-visible {
  background: var(--cz-cyan);
  border-color: var(--cz-cyan);
  color: var(--cz-ink);
}

.cz-copy.is-done {
  background: var(--cz-gold);
  border-color: var(--cz-gold);
  color: var(--cz-ink);
}

.cz-footer__bottom {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 16px 26px;
  border-top: 1px solid rgba(231, 178, 76, 0.24);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(246, 238, 221, 0.58);
}

.cz-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
}

.cz-footer__icp {
  font-family: var(--cz-font-mono);
  letter-spacing: 0.03em;
  color: rgba(231, 178, 76, 0.72);
}

.cz-footer__note { max-width: 46ch; }

/* ---------- 8. 按钮 ---------- */
.cz-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  border: 2px solid transparent;
  border-radius: 10px;
  font-family: var(--cz-font-display);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform 140ms var(--cz-ease), box-shadow 140ms var(--cz-ease),
              background 140ms var(--cz-ease), color 140ms var(--cz-ease),
              border-color 140ms var(--cz-ease);
}

.cz-btn--primary {
  background: var(--cz-red);
  border-color: var(--cz-red-dark);
  color: var(--cz-paper);
  box-shadow: 3px 3px 0 var(--cz-red-dark);
}

.cz-btn--primary:hover,
.cz-btn--primary:focus-visible {
  background: var(--cz-red-dark);
  color: var(--cz-paper);
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--cz-red-dark);
}

.cz-btn--gold {
  background: var(--cz-gold);
  border-color: var(--cz-gold-dark);
  color: var(--cz-ink);
  box-shadow: 3px 3px 0 var(--cz-gold-dark);
}

.cz-btn--gold:hover,
.cz-btn--gold:focus-visible {
  background: var(--cz-gold-dark);
  color: var(--cz-paper);
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--cz-red-dark);
}

.cz-btn--ghost {
  background: transparent;
  border-color: var(--cz-ink);
  color: var(--cz-ink);
}

.cz-btn--ghost:hover,
.cz-btn--ghost:focus-visible {
  background: var(--cz-ink);
  color: var(--cz-gold);
}

/* ---------- 9. 面包屑 ---------- */
.cz-breadcrumb {
  padding-block: 18px 0;
}

.cz-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
  font-size: 13.5px;
  line-height: 1.6;
}

.cz-breadcrumb__item {
  display: inline-flex;
  align-items: center;
  color: var(--cz-ink-mute);
}

.cz-breadcrumb__item + .cz-breadcrumb__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--cz-gold-dark);
  font-family: var(--cz-font-mono);
}

.cz-breadcrumb__link {
  color: var(--cz-ink-mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 140ms var(--cz-ease), border-color 140ms var(--cz-ease);
}

.cz-breadcrumb__link:hover,
.cz-breadcrumb__link:focus-visible {
  color: var(--cz-red);
  border-bottom-color: var(--cz-red);
}

.cz-breadcrumb__item[aria-current="page"] { color: var(--cz-ink); font-weight: 700; }

/* ---------- 10. 章节与标题 ---------- */
.cz-section { padding-block: clamp(36px, 6vw, 76px); }
.cz-section--tight { padding-block: clamp(22px, 4vw, 44px); }

.cz-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 20px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.cz-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--cz-font-serif);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--cz-gold-dark);
  text-transform: uppercase;
}

.cz-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  flex: 0 0 auto;
  background: var(--cz-gold);
}

.cz-h1 {
  font-family: var(--cz-font-display);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  margin-block: 0.35em 0.5em;
}

.cz-h2 {
  font-family: var(--cz-font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1.22;
  letter-spacing: 0.02em;
  margin-block: 0.3em 0.5em;
}

.cz-h3 {
  font-family: var(--cz-font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-block: 0.3em 0.5em;
}

.cz-h4 {
  font-family: var(--cz-font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  margin-block: 0.3em 0.4em;
}

.cz-on-dark .cz-h1,
.cz-on-dark .cz-h2,
.cz-on-dark .cz-h3,
.cz-on-dark .cz-h4 { color: var(--cz-cream); }

.cz-title-stroke { color: var(--cz-ink); }

.cz-on-dark .cz-title-stroke,
.cz-title-stroke--dark {
  color: var(--cz-cream);
  -webkit-text-stroke: 0.6px var(--cz-gold);
  text-shadow: 0 2px 0 rgba(140, 15, 27, 0.6), 0 0 22px rgba(231, 178, 76, 0.22);
}

.cz-lead {
  font-size: 19px;
  line-height: 1.7;
  color: var(--cz-ink-soft);
  max-width: 42em;
}

.cz-divider {
  height: 0;
  border: 0;
  border-top: 1px solid var(--cz-line-gold);
  margin-block: clamp(28px, 4vw, 48px);
}

/* ---------- 11. 数字 / 印章 / 标签 ---------- */
.cz-num {
  font-family: var(--cz-font-mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.cz-led {
  background-color: var(--cz-ink);
  background-image: radial-gradient(circle, rgba(231, 178, 76, 0.55) 1.1px, transparent 1.6px);
  background-size: 6px 6px;
  color: var(--cz-gold);
}

.cz-seal-tag {
  display: inline-grid;
  place-items: center;
  min-width: 46px;
  min-height: 46px;
  padding: 7px 11px;
  background: var(--cz-red);
  background-image: linear-gradient(150deg, var(--cz-red), var(--cz-red-dark));
  color: var(--cz-gold);
  font-family: var(--cz-font-display);
  font-weight: 900;
  font-size: 15px;
  line-height: 1.2;
  text-align: center;
  border-radius: 11px 5px 12px 6px / 6px 12px 5px 11px;
  box-shadow: inset 0 0 0 2px rgba(231, 178, 76, 0.5);
}

.cz-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid rgba(110, 75, 209, 0.32);
  background: rgba(110, 75, 209, 0.12);
  color: var(--cz-purple);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.6;
}

.cz-tag--gold {
  border-color: rgba(154, 116, 42, 0.42);
  background: rgba(231, 178, 76, 0.22);
  color: var(--cz-gold-dark);
}

.cz-tag--cyan {
  border-color: rgba(38, 224, 200, 0.46);
  background: rgba(38, 224, 200, 0.16);
  color: var(--cz-cyan-deep);
}

.cz-tag--green {
  border-color: rgba(44, 122, 107, 0.36);
  background: rgba(44, 122, 107, 0.14);
  color: var(--cz-verdigris);
}

/* ---------- 12. 网格与卡片 ---------- */
.cz-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.cz-grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.cz-grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.cz-grid--4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.cz-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: clamp(18px, 2.2vw, 26px);
  padding-top: calc(clamp(18px, 2.2vw, 26px) + 6px);
  background: var(--cz-paper);
  border: 1px solid var(--cz-line);
  border-radius: var(--cz-r);
  box-shadow: var(--cz-shadow-1);
  transition: transform 200ms var(--cz-ease), box-shadow 200ms var(--cz-ease),
              border-color 200ms var(--cz-ease);
}

.cz-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 58px;
  height: 7px;
  border-radius: var(--cz-r) 0 6px 0;
  background: linear-gradient(90deg, var(--cz-red), var(--cz-gold));
}

.cz-card:hover {
  transform: translateY(-2px);
  border-color: var(--cz-line-gold);
  box-shadow: var(--cz-shadow-2);
}

.cz-card--tilt { transform: rotate(-1.5deg); }
.cz-card--tilt:hover { transform: rotate(-0.5deg) translateY(-2px); }
.cz-card--tilt-r { transform: rotate(1.5deg); }
.cz-card--tilt-r:hover { transform: rotate(0.5deg) translateY(-2px); }

.cz-card__num {
  font-family: var(--cz-font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--cz-red);
}

.cz-card__label {
  font-family: var(--cz-font-serif);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  color: var(--cz-gold-dark);
}

.cz-card__title {
  font-family: var(--cz-font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: 0.02em;
  margin: 0;
}

.cz-card__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--cz-ink-soft);
}

/* ---------- 13. 图片容器 ---------- */
.cz-media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--cz-r);
  background-color: var(--cz-ink);
  background-image:
    radial-gradient(circle at 22% 18%, rgba(193, 18, 31, 0.55), transparent 58%),
    radial-gradient(circle at 82% 84%, rgba(110, 75, 209, 0.5), transparent 62%),
    linear-gradient(140deg, var(--cz-red-dark), var(--cz-ink) 58%);
  isolation: isolate;
}

.cz-media > img,
.cz-media > svg,
.cz-media > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cz-media--wide    { aspect-ratio: 16 / 9; }
.cz-media--banner  { aspect-ratio: 21 / 9; }
.cz-media--square  { aspect-ratio: 1 / 1; }
.cz-media--portrait{ aspect-ratio: 4 / 5; }
.cz-media--tall    { aspect-ratio: 3 / 4; }

.cz-media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 16px 12px;
  background: linear-gradient(0deg, rgba(21, 17, 14, 0.86), transparent);
  color: var(--cz-cream);
  font-size: 13px;
  line-height: 1.6;
}

/* ---------- 14. JS 注入组件 ---------- */
.cz-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  z-index: 130;
  pointer-events: none;
  background: linear-gradient(90deg, var(--cz-red), var(--cz-gold) 55%, var(--cz-cyan));
  transition: width 90ms linear;
}

.cz-to-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 90;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(231, 178, 76, 0.5);
  border-radius: 13px;
  background: var(--cz-ink);
  color: var(--cz-gold);
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  box-shadow: 0 12px 26px -16px rgba(0, 0, 0, 0.9);
  transition: opacity 200ms var(--cz-ease), transform 200ms var(--cz-ease),
              visibility 200ms var(--cz-ease), background 140ms var(--cz-ease),
              color 140ms var(--cz-ease);
}

.cz-to-top[data-show] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.cz-to-top:hover,
.cz-to-top:focus-visible {
  background: var(--cz-red);
  border-color: var(--cz-red-dark);
  color: var(--cz-paper);
}

/* ---------- 15. 进入动效 ---------- */
.cz-js .cz-reveal {
  opacity: 0;
  transform: translateY(12px);
}

.cz-js .cz-reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 260ms var(--cz-ease), transform 260ms var(--cz-ease);
}

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1180px) {
  .cz-quick { display: none; }
}

@media (max-width: 1100px) {
  .cz-footer__inner {
    grid-template-columns: minmax(200px, 1fr) minmax(0, 1.8fr);
  }
  .cz-footer__contact { grid-column: 1 / -1; }
  .cz-contact-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0 clamp(20px, 3vw, 40px);
  }
}

@media (max-width: 960px) {
  body { padding-top: var(--cz-header-h); }

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

  .cz-header__mid { justify-content: flex-end; }

  .cz-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 105;
    width: min(88vw, 360px);
    padding: 92px 22px 36px;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 8px;
    background: linear-gradient(180deg, var(--cz-paper), var(--cz-cream));
    background-image:
      radial-gradient(circle at 100% 0%, rgba(193, 18, 31, 0.14), transparent 56%),
      radial-gradient(circle at 0% 100%, rgba(38, 224, 200, 0.12), transparent 56%),
      radial-gradient(circle, rgba(154, 116, 42, 0.12) 1px, transparent 1.4px);
    background-size: auto, auto, 8px 8px;
    border-left: 1px solid var(--cz-line-gold);
    box-shadow: -28px 0 56px -28px rgba(21, 17, 14, 0.75);
    transform: translateX(100%);
    visibility: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    transition: transform 260ms var(--cz-ease), visibility 260ms var(--cz-ease);
  }

  .cz-nav[data-open] {
    transform: translateX(0);
    visibility: visible;
  }

  .cz-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .cz-nav__item { width: 100%; }

  .cz-nav__link {
    display: block;
    padding: 13px 15px;
    border-radius: 11px;
    font-size: 17px;
    border-bottom: 1px dashed rgba(154, 116, 42, 0.22);
  }

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

  .cz-nav__link[aria-current="page"] {
    box-shadow: none;
    border-bottom-color: transparent;
  }
}

@media (max-width: 860px) {
  .cz-brand__tag { display: none; }
  .cz-version__note { display: none; }
}

@media (max-width: 720px) {
  .cz-footer__inner { grid-template-columns: 1fr; }
  .cz-footer__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 24px;
  }
  .cz-footer__contact { grid-column: auto; }
  .cz-contact-list { grid-template-columns: 1fr; }
  .cz-footer__bottom { justify-content: flex-start; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .cz-quick__btn:last-child { display: none; }
  .cz-header__bar { gap: 10px; }
  .cz-version { padding-inline: 8px; font-size: 12px; }
  .cz-btn { width: 100%; }
}

@media (max-width: 420px) {
  .cz-brand__seal { width: 36px; height: 36px; font-size: 19px; }
  .cz-brand__name { font-size: 17px; }
  .cz-nav-toggle__text { display: none; }
  .cz-nav-toggle { padding-inline: 11px; }
  .cz-footer__cols { grid-template-columns: 1fr; }
}

/* ---------- 17. 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0ms !important;
  }

  .cz-js .cz-reveal {
    opacity: 1;
    transform: none;
  }

  .cz-version__dot { animation: none; }
  .cz-card--tilt,
  .cz-card--tilt-r { transform: none; }
}

/* ---------- 18. 打印 ---------- */
@media print {
  .cz-header,
  .cz-footer,
  .cz-to-top,
  .cz-progress,
  .cz-scrim { display: none !important; }

  body {
    padding-top: 0;
    background: #fff;
  }
}