/* =========================================================
   7南宮品牌 · 共享样式表 assets/site.css
   墨夜蓝底 · 深宫蓝面板 · 宫墙朱红 · 鎏金 · 青瓷绿
   ========================================================= */

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

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

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

ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: 0; }
button { cursor: pointer; }
table { width: 100%; border-collapse: collapse; }
hr { border: 0; }

/* ---------- 2. 设计变量 ---------- */
:root {
  --ng-ink: #0B1B2B;
  --ng-ink-2: #12263A;
  --ng-ink-3: #16304A;
  --ng-red: #C13B2E;
  --ng-gold: #D9A441;
  --ng-gold-2: #F0D08A;
  --ng-green: #6FA98A;
  --ng-stone: #4A5560;
  --ng-mist: #8FA6B8;
  --ng-cream: #F3EDE3;
  --ng-clay: #A9603F;

  --ng-line: rgba(217, 164, 65, 0.28);
  --ng-line-soft: rgba(143, 166, 184, 0.22);
  --ng-surface: rgba(18, 38, 58, 0.72);

  --ng-font-head: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --ng-font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --ng-font-mono: "SF Mono", "JetBrains Mono", "DejaVu Sans Mono", ui-monospace, Menlo, Consolas, monospace;

  --ng-wrap: 1200px;
  --ng-r-lg: 20px;
  --ng-r-md: 14px;
  --ng-r-sm: 10px;
  --ng-t: 200ms;
  --ng-ease: cubic-bezier(0.22, 0.7, 0.3, 1);
}

/* ---------- 3. 基础与中文排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ng-ink);
  background-image:
    radial-gradient(1200px 620px at 84% -12%, rgba(193, 59, 46, 0.20), transparent 62%),
    radial-gradient(920px 540px at 4% 4%, rgba(217, 164, 65, 0.11), transparent 64%),
    linear-gradient(rgba(143, 166, 184, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 166, 184, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, #0B1B2B 0%, #0D2133 48%, #0B1B2B 100%);
  background-size: auto, auto, 68px 68px, 68px 68px, auto;
  color: var(--ng-cream);
  font-family: var(--ng-font-body);
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--ng-font-head);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ng-cream);
}

h1 { font-size: clamp(30px, 5vw, 60px); }
h2 { font-size: clamp(24px, 3.2vw, 32px); }
h3 { font-size: clamp(19px, 2.2vw, 22px); }
h4 { font-size: 17px; letter-spacing: 0; }

p { color: rgba(243, 237, 227, 0.86); }

strong { color: var(--ng-gold-2); font-weight: 700; }

::selection { background: rgba(193, 59, 46, 0.5); color: var(--ng-cream); }

:focus-visible {
  outline: 2px solid var(--ng-gold-2);
  outline-offset: 3px;
  border-radius: 6px;
}

#main-content { scroll-margin-top: 112px; }

/* ---------- 4. 通用工具 ---------- */
.ng-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  width: 100%;
  max-width: var(--ng-wrap);
  margin: 0 auto;
  padding: 0 22px;
}

.prose { max-width: 760px; }
.prose p + p { margin-top: 14px; }
.prose h2 { margin-top: 38px; }
.prose h3 { margin-top: 26px; }

.prose a {
  color: var(--ng-gold-2);
  border-bottom: 1px solid var(--ng-line);
  transition: color var(--ng-t) var(--ng-ease), border-color var(--ng-t) var(--ng-ease);
}

.prose a:hover { color: var(--ng-cream); border-bottom-color: var(--ng-red); }

.section-divider {
  width: 100%;
  height: 1px;
  margin: 0;
  background: linear-gradient(90deg, transparent, rgba(217, 164, 65, 0.5), transparent);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}

/* ---------- 5. 跳过链接 ---------- */
.skip-link {
  position: fixed;
  left: 20px;
  top: -70px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--ng-gold);
  color: var(--ng-ink);
  font-family: var(--ng-font-head);
  font-size: 14px;
  font-weight: 700;
  transition: top var(--ng-t) var(--ng-ease);
}

.skip-link:focus { top: 14px; }

/* ---------- 6. 头部：悬浮胶囊浮岛 ---------- */
.ng-header {
  position: sticky;
  top: 0;
  z-index: 90;
  padding: 16px 20px 10px;
}

.ng-nav-shell {
  position: relative;
  max-width: var(--ng-wrap);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 12px 10px 16px;
  border: 1px solid var(--ng-line);
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(18, 38, 58, 0.94), rgba(11, 27, 43, 0.88));
  box-shadow: 0 22px 46px -30px rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(12px);
  transition: background var(--ng-t) var(--ng-ease), border-color var(--ng-t) var(--ng-ease);
}

.ng-header.is-condensed .ng-nav-shell {
  background: linear-gradient(120deg, rgba(18, 38, 58, 0.78), rgba(11, 27, 43, 0.68));
  border-color: rgba(217, 164, 65, 0.46);
}

.ng-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  padding-right: 6px;
}

.ng-brand__seal {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 11px;
  background: linear-gradient(150deg, var(--ng-red), #8F2A22);
  border: 1px solid rgba(240, 208, 138, 0.6);
  color: var(--ng-gold-2);
  font-family: var(--ng-font-mono);
  font-size: 19px;
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(11, 27, 43, 0.5);
}

.ng-brand__meta { display: flex; flex-direction: column; line-height: 1.25; }

.ng-brand__name {
  font-family: var(--ng-font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ng-cream);
}

.ng-brand__tagline {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ng-gold-2);
  opacity: 0.88;
}

.ng-rail {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex: 1 1 auto;
  min-width: 0;
}

.ng-nav { flex: 1 1 auto; min-width: 0; }

.ng-nav__list {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 2px;
}

.ng-nav__item { display: block; }

.ng-nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 13px;
  border-radius: 999px;
  font-size: 14.5px;
  color: rgba(243, 237, 227, 0.74);
  transition: color var(--ng-t) var(--ng-ease), background var(--ng-t) var(--ng-ease);
}

.ng-nav__link::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 4px;
  height: 1.5px;
  background: var(--ng-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ng-t) var(--ng-ease);
}

.ng-nav__link:hover {
  color: var(--ng-gold-2);
  background: rgba(217, 164, 65, 0.08);
}

.ng-nav__link:hover::after { transform: scaleX(1); background: var(--ng-gold); }

.ng-nav__link[aria-current="page"] {
  color: var(--ng-cream);
  background: rgba(193, 59, 46, 0.26);
  box-shadow: inset 0 0 0 1px rgba(193, 59, 46, 0.62);
}

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

/* 栏目号下拉 */
.ng-index { position: relative; flex: 0 0 auto; }

.ng-index__toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--ng-line);
  background: rgba(11, 27, 43, 0.6);
  color: var(--ng-gold-2);
  transition: border-color var(--ng-t) var(--ng-ease), background var(--ng-t) var(--ng-ease);
}

.ng-index__toggle:hover {
  border-color: var(--ng-gold);
  background: rgba(217, 164, 65, 0.14);
}

.ng-index__num {
  font-family: var(--ng-font-mono);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.ng-index__label { font-size: 13px; color: rgba(243, 237, 227, 0.72); }

.ng-index__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  width: 296px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid var(--ng-line);
  background: linear-gradient(160deg, rgba(18, 38, 58, 0.98), rgba(11, 27, 43, 0.98));
  box-shadow: 0 32px 64px -32px rgba(0, 0, 0, 0.96);
  z-index: 95;
}

.ng-index__menu[hidden] { display: none; }

.ng-index__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.ng-index__item { display: block; }

.ng-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14px;
  color: rgba(243, 237, 227, 0.82);
  transition: background var(--ng-t) var(--ng-ease), border-color var(--ng-t) var(--ng-ease), color var(--ng-t) var(--ng-ease);
}

.ng-index__link:hover {
  background: rgba(217, 164, 65, 0.12);
  border-color: rgba(217, 164, 65, 0.42);
  color: var(--ng-gold-2);
}

.ng-index__link[aria-current="page"] {
  background: rgba(193, 59, 46, 0.24);
  border-color: rgba(193, 59, 46, 0.6);
  color: var(--ng-cream);
}

.ng-index__no {
  font-family: var(--ng-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--ng-gold);
}

.ng-cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--ng-gold), #B8862F);
  color: var(--ng-ink);
  font-family: var(--ng-font-head);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 12px 26px -16px rgba(217, 164, 65, 0.95);
  transition: transform var(--ng-t) var(--ng-ease), box-shadow var(--ng-t) var(--ng-ease);
}

.ng-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 32px -16px rgba(217, 164, 65, 1);
}

/* 移动端胶囊按钮 */
.ng-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 999px;
  border: 1px solid var(--ng-line);
  background: rgba(11, 27, 43, 0.7);
  transition: border-color var(--ng-t) var(--ng-ease), background var(--ng-t) var(--ng-ease);
}

.ng-nav-toggle:hover { border-color: var(--ng-gold); }

.ng-nav-toggle__bars,
.ng-nav-toggle__bars::before,
.ng-nav-toggle__bars::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ng-gold-2);
  transition: transform var(--ng-t) var(--ng-ease), opacity var(--ng-t) var(--ng-ease), background var(--ng-t) var(--ng-ease);
}

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

.ng-nav-shell[data-open="true"] .ng-nav-toggle__bars { background: transparent; }
.ng-nav-shell[data-open="true"] .ng-nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.ng-nav-shell[data-open="true"] .ng-nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 7. 页脚：稳定锚点 ---------- */
.ng-footer {
  margin-top: 96px;
  border-top: 1px solid var(--ng-line);
  background: linear-gradient(180deg, rgba(18, 38, 58, 0.86), rgba(11, 27, 43, 0.98));
}

.ng-footer__shell {
  max-width: var(--ng-wrap);
  margin: 0 auto;
  padding: 64px 22px 32px;
  display: flex;
  flex-direction: column;
  gap: 34px;
}

.ng-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 36px;
  align-items: start;
}

.ng-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.ng-footer__seal {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: linear-gradient(150deg, var(--ng-red), #8F2A22);
  border: 1px solid rgba(240, 208, 138, 0.6);
  color: var(--ng-gold-2);
  font-family: var(--ng-font-mono);
  font-size: 22px;
  font-weight: 700;
}

.ng-footer__name {
  font-family: var(--ng-font-head);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ng-cream);
}

.ng-footer__tagline {
  font-size: 12.5px;
  letter-spacing: 0.2em;
  color: var(--ng-gold-2);
}

.ng-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

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

.ng-footer__title {
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ng-mist);
}

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

.ng-footer__link {
  display: inline-block;
  padding: 6px 0;
  font-size: 15px;
  color: rgba(243, 237, 227, 0.78);
  border-bottom: 1px solid transparent;
  transition: color var(--ng-t) var(--ng-ease), border-color var(--ng-t) var(--ng-ease);
}

.ng-footer__link:hover {
  color: var(--ng-gold-2);
  border-bottom-color: var(--ng-gold);
}

.ng-footer__feedback {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  border-radius: var(--ng-r-lg);
  border: 1px solid rgba(193, 59, 46, 0.55);
  background: linear-gradient(120deg, rgba(193, 59, 46, 0.18), rgba(217, 164, 65, 0.08));
  transition: transform var(--ng-t) var(--ng-ease), border-color var(--ng-t) var(--ng-ease);
}

.ng-footer__feedback.is-arrived {
  transform: scale(1.012);
  border-color: rgba(217, 164, 65, 0.72);
}

.ng-footer__feedback-tag {
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(217, 164, 65, 0.4);
  background: rgba(11, 27, 43, 0.7);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ng-gold-2);
}

.ng-footer__feedback-link {
  font-family: var(--ng-font-head);
  font-size: 19px;
  font-weight: 800;
  color: var(--ng-cream);
  padding-bottom: 2px;
  border-bottom: 2px solid var(--ng-gold);
  transition: color var(--ng-t) var(--ng-ease), border-color var(--ng-t) var(--ng-ease);
}

.ng-footer__feedback-link:hover {
  color: var(--ng-gold-2);
  border-bottom-color: var(--ng-red);
}

.ng-footer__feedback-note {
  margin-left: auto;
  font-size: 13px;
  color: var(--ng-mist);
}

.ng-footer__contact {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px 24px;
}

.ng-footer__contact-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 14.5px;
}

.ng-footer__contact-key {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ng-mist);
}

.ng-footer__contact-val {
  color: var(--ng-cream);
  word-break: break-all;
}

.ng-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  padding-top: 20px;
  border-top: 1px solid var(--ng-line-soft);
  font-size: 13px;
  color: var(--ng-mist);
}

.ng-footer__meta { font-size: 13px; color: var(--ng-mist); }

.ng-footer__icp {
  font-family: var(--ng-font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ng-mist);
}

.ng-footer__note {
  max-width: 780px;
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(143, 166, 184, 0.84);
}

/* ---------- 8. 按钮 ---------- */
.ng-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--ng-font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform var(--ng-t) var(--ng-ease), background var(--ng-t) var(--ng-ease), color var(--ng-t) var(--ng-ease), border-color var(--ng-t) var(--ng-ease);
}

.ng-btn--gold { background: var(--ng-gold); color: var(--ng-ink); }
.ng-btn--gold:hover { transform: translateY(-2px); background: var(--ng-gold-2); }

.ng-btn--red { background: var(--ng-red); color: var(--ng-cream); }
.ng-btn--red:hover { transform: translateY(-2px); background: #D24636; }

.ng-btn--ghost {
  border-color: var(--ng-line);
  background: rgba(11, 27, 43, 0.5);
  color: var(--ng-gold-2);
}

.ng-btn--ghost:hover {
  transform: translateY(-2px);
  border-color: var(--ng-gold);
  background: rgba(217, 164, 65, 0.14);
}

/* ---------- 9. 面包屑 ---------- */
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 24px;
  font-size: 13px;
  color: var(--ng-mist);
}

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

.crumb a {
  color: rgba(243, 237, 227, 0.76);
  border-bottom: 1px solid transparent;
  transition: color var(--ng-t) var(--ng-ease), border-color var(--ng-t) var(--ng-ease);
}

.crumb a:hover { color: var(--ng-gold-2); border-bottom-color: var(--ng-gold); }

.crumb__sep { color: rgba(143, 166, 184, 0.5); }

.crumb__current { color: var(--ng-gold-2); font-weight: 700; }

/* ---------- 10. 堆叠面板 ---------- */
.panel {
  position: relative;
  padding: 28px;
  border-radius: var(--ng-r-lg);
  border: 1px solid var(--ng-line);
  background: linear-gradient(150deg, rgba(18, 38, 58, 0.86), rgba(11, 27, 43, 0.72));
}

.panel--light {
  background: linear-gradient(150deg, #F3EDE3, #E4DACB);
  border-color: rgba(169, 96, 63, 0.32);
  color: var(--ng-ink);
}

.panel--light h2,
.panel--light h3 { color: var(--ng-ink); }

.panel--light p { color: rgba(11, 27, 43, 0.78); }

.panel--light .crumb,
.panel--light .crumb a { color: rgba(11, 27, 43, 0.66); }

/* ---------- 11. 编号卡 / 层叠卡 ---------- */
.no-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 24px;
  border-radius: var(--ng-r-lg);
  border: 1px solid var(--ng-line-soft);
  background: var(--ng-surface);
  transition: transform var(--ng-t) var(--ng-ease), background var(--ng-t) var(--ng-ease), border-color var(--ng-t) var(--ng-ease);
}

.no-card:hover {
  transform: translateY(-2px);
  background: rgba(11, 27, 43, 0.86);
  border-color: var(--ng-gold);
}

.no-card__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 28px;
  padding: 0 10px;
  border-radius: 8px;
  border: 1px solid rgba(193, 59, 46, 0.6);
  background: rgba(193, 59, 46, 0.22);
  font-family: var(--ng-font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ng-gold-2);
  align-self: flex-start;
}

.no-card__title {
  font-family: var(--ng-font-head);
  font-size: 20px;
  font-weight: 800;
  color: var(--ng-cream);
}

.no-card__text { font-size: 15px; color: rgba(243, 237, 227, 0.76); }

.no-card__meta {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ng-mist);
}

.stack-card {
  position: relative;
  margin-top: 26px;
  padding: 26px;
  border-radius: var(--ng-r-lg);
  border: 1px solid var(--ng-line);
  background: linear-gradient(150deg, rgba(18, 38, 58, 0.92), rgba(11, 27, 43, 0.8));
}

.stack-card::before {
  content: "";
  position: absolute;
  inset: -11px 14px auto 14px;
  height: 11px;
  border: 1px solid var(--ng-line-soft);
  border-bottom: 0;
  border-radius: 14px 14px 0 0;
  background: rgba(11, 27, 43, 0.55);
}

.stack-card::after {
  content: "";
  position: absolute;
  inset: -20px 28px auto 28px;
  height: 11px;
  border: 1px solid rgba(143, 166, 184, 0.16);
  border-bottom: 0;
  border-radius: 14px 14px 0 0;
}

/* ---------- 12. 标签胶囊与标签墙 ---------- */
.tag-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--ng-line-soft);
  background: rgba(11, 27, 43, 0.55);
  font-size: 14px;
  color: rgba(243, 237, 227, 0.78);
  transition: border-color var(--ng-t) var(--ng-ease), background var(--ng-t) var(--ng-ease), color var(--ng-t) var(--ng-ease);
}

.tag-pill:hover {
  border-color: var(--ng-gold);
  background: rgba(217, 164, 65, 0.1);
  color: var(--ng-gold-2);
}

.tag-pill[aria-pressed="true"] {
  border-color: var(--ng-green);
  background: rgba(111, 169, 138, 0.16);
  color: var(--ng-cream);
  box-shadow: inset 0 0 0 1px rgba(111, 169, 138, 0.28);
}

.tag-pill[aria-pressed="true"]::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ng-red);
}

[data-filter-item][hidden] { display: none; }

/* ---------- 13. 条目列表 ---------- */
.entry-list { display: flex; flex-direction: column; gap: 2px; }

.entry-list__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  padding: 16px 14px;
  border-bottom: 1px solid var(--ng-line-soft);
  border-radius: 14px;
  transition: background var(--ng-t) var(--ng-ease), padding-left var(--ng-t) var(--ng-ease);
}

.entry-list__item:hover {
  background: rgba(18, 38, 58, 0.6);
  padding-left: 20px;
}

.entry-list__no {
  font-family: var(--ng-font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ng-gold);
}

.entry-list__body { min-width: 0; }

.entry-list__title {
  font-family: var(--ng-font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ng-cream);
}

.entry-list__desc { font-size: 14px; color: rgba(243, 237, 227, 0.7); }

.entry-list__meta {
  font-size: 12.5px;
  color: var(--ng-mist);
  white-space: nowrap;
}

/* ---------- 14. 折叠块 ---------- */
.fold {
  border: 1px solid var(--ng-line-soft);
  border-radius: var(--ng-r-md);
  background: rgba(18, 38, 58, 0.5);
  overflow: hidden;
  transition: border-color var(--ng-t) var(--ng-ease);
}

.fold + .fold { margin-top: 10px; }

.fold > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--ng-font-head);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ng-cream);
  transition: background var(--ng-t) var(--ng-ease);
}

.fold > summary::-webkit-details-marker { display: none; }
.fold > summary:hover { background: rgba(217, 164, 65, 0.08); }

.fold > summary::before {
  content: "";
  width: 3px;
  height: 20px;
  border-radius: 2px;
  background: var(--ng-stone);
  transition: background var(--ng-t) var(--ng-ease), height var(--ng-t) var(--ng-ease);
}

.fold[open] { border-color: rgba(217, 164, 65, 0.5); }
.fold[open] > summary::before { background: var(--ng-gold); height: 26px; }

.fold__body {
  padding: 0 20px 18px 35px;
  font-size: 15.5px;
  color: rgba(243, 237, 227, 0.78);
}

/* ---------- 15. 编号锚点轨道 ---------- */
.anchor-rail {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.anchor-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ng-font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ng-mist);
  transition: color var(--ng-t) var(--ng-ease);
}

.anchor-rail__link::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--ng-gold);
  transition: background var(--ng-t) var(--ng-ease), border-color var(--ng-t) var(--ng-ease);
}

.anchor-rail__link:hover { color: var(--ng-gold-2); }

.anchor-rail__link.is-active {
  color: var(--ng-gold-2);
  font-weight: 700;
}

.anchor-rail__link.is-active::before {
  background: var(--ng-red);
  border-color: var(--ng-red);
}

/* ---------- 16. 图片容器基础规则 ---------- */
.figure-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--ng-r-lg);
  border: 1px solid var(--ng-line);
  background-color: var(--ng-ink-2);
  background-image:
    linear-gradient(140deg, rgba(18, 38, 58, 0.95), rgba(11, 27, 43, 0.95)),
    repeating-linear-gradient(90deg, rgba(217, 164, 65, 0.09) 0 1px, transparent 1px 46px);
}

.figure-frame > img,
.figure-frame > svg,
.figure-frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure-frame--wide { aspect-ratio: 21 / 9; }
.figure-frame--tall { aspect-ratio: 4 / 5; }
.figure-frame--square { aspect-ratio: 1 / 1; }

.figure-frame__caption {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--ng-mist);
}

.figure-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* ---------- 17. 状态提示 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--ng-line-soft);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ng-mist);
}

.chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ng-mist);
}

.chip--live { color: var(--ng-green); border-color: rgba(111, 169, 138, 0.5); }
.chip--live::before { background: var(--ng-green); }

.chip--gold { color: var(--ng-gold-2); border-color: rgba(217, 164, 65, 0.5); }
.chip--gold::before { background: var(--ng-gold); }

/* ---------- 18. 显现与进度 ---------- */
.ng-js [data-reveal] {
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 240ms var(--ng-ease), transform 240ms var(--ng-ease), background var(--ng-t) var(--ng-ease);
}

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

.ng-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 120;
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--ng-red), var(--ng-gold));
}

/* ---------- 19. 响应式 ---------- */
@media (max-width: 1180px) {
  .ng-nav__link { padding: 8px 10px; font-size: 14px; }
  .ng-nav__link::after { left: 10px; right: 10px; }
  .ng-cta { padding: 9px 15px; font-size: 13.5px; }
  .ng-brand__tagline { display: none; }
}

@media (max-width: 960px) {
  .ng-header { padding: 12px 14px 8px; }

  .ng-nav-shell {
    border-radius: 26px;
    padding: 9px 10px 9px 14px;
  }

  .ng-nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .ng-rail {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 10px);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 12px;
    margin: 0;
    padding: 16px;
    border-radius: 22px;
    border: 1px solid var(--ng-line);
    background: linear-gradient(160deg, rgba(18, 38, 58, 0.99), rgba(11, 27, 43, 0.99));
    box-shadow: 0 34px 66px -34px rgba(0, 0, 0, 0.96);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--ng-t) var(--ng-ease), transform var(--ng-t) var(--ng-ease), visibility var(--ng-t) var(--ng-ease);
  }

  .ng-nav-shell[data-open="true"] .ng-rail {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .ng-nav { flex: 0 0 auto; width: 100%; }

  .ng-nav__list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 4px;
  }

  .ng-nav__link {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 16px;
  }

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

  .ng-index { width: 100%; }

  .ng-index__toggle {
    width: 100%;
    justify-content: space-between;
    padding: 11px 14px;
  }

  .ng-index__menu {
    position: static;
    width: 100%;
    margin-top: 10px;
    box-shadow: none;
  }

  .ng-cta {
    width: 100%;
    justify-content: center;
    padding: 13px 18px;
  }

  .ng-footer { margin-top: 56px; }
  .ng-footer__shell { padding: 48px 20px 26px; gap: 28px; }
  .ng-footer__top { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .ng-footer__footer-note { margin-left: 0; }
  .ng-footer__feedback-note { margin-left: 0; }
  .ng-footer__contact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .anchor-rail { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; line-height: 1.8; }
  h1 { font-size: 30px; }

  .wrap { padding: 0 20px; }

  .ng-footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .ng-footer__contact { grid-template-columns: minmax(0, 1fr); }
  .ng-footer__name { font-size: 26px; }
  .ng-footer__feedback { padding: 18px; }
  .ng-footer__feedback-link { font-size: 17px; }

  .panel { padding: 20px; }

  .entry-list__item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
  }

  .entry-list__meta { grid-column: 2; }

  .grid-12 { grid-template-columns: minmax(0, 1fr); gap: 18px; }
}

/* ---------- 20. 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;
    scroll-behavior: auto !important;
  }

  .ng-js [data-reveal] { opacity: 1; transform: none; }
  .ng-footer__feedback.is-arrived { transform: none; }
}