/* =========================================================
   聊球官方版 · 共享样式 /assets/site.css
   深夜球场视觉体系：墨夜底 + 看台绿层 + 夜战绿骨架 + 荧光黄绿核对点
   ========================================================= */

/* ---------- 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, figure, blockquote, dl, dd { margin: 0; }

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

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

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

a { color: inherit; }

[hidden] { display: none !important; }

/* ---------- tokens ---------- */
:root {
  --ink-bg: #08161F;
  --stand: #0D2B22;
  --pitch: #1E8A5A;
  --turf: #2FB37A;
  --fluoro: #C9F24D;
  --amber: #FF9A3C;
  --paper: #F3EEE1;
  --paper-edge: #DCD3BE;
  --slate: #9FB6C6;
  --quiet: #5C6B75;
  --ink-text: #1A1F24;

  --font-sans: "PingFang SC", "Noto Sans SC", "Hiragino Sans GB", "Microsoft YaHei",
    system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo,
    Consolas, "Courier New", monospace;

  --wrap: 1200px;
  --wrap-wide: 1320px;
  --gutter: 24px;

  --line-dark: 1px solid rgba(220, 211, 190, 0.18);
  --line-soft: 1px solid rgba(220, 211, 190, 0.28);
  --line-green: 1px solid rgba(47, 179, 122, 0.45);

  --ease: cubic-bezier(.22, .61, .36, 1);
  --shadow-paper: 0 22px 44px -28px rgba(0, 0, 0, 0.9);
  --shadow-lift: 0 18px 34px -22px rgba(0, 0, 0, 0.85);
}

/* ---------- base ---------- */
body {
  min-height: 100vh;
  padding: 0;
  background-color: var(--ink-bg);
  background-image:
    radial-gradient(1200px 620px at 6% -6%, rgba(30, 138, 90, 0.24), transparent 62%),
    radial-gradient(900px 520px at 102% 104%, rgba(255, 154, 60, 0.10), transparent 62%);
  background-attachment: fixed;
  color: var(--white, #fff);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

/* 低光颗粒 + 印刷网点质感 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.5;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.016) 0 1px,
    transparent 1px 4px
  );
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

p { max-width: 42em; }

::selection { background: var(--fluoro); color: var(--ink-text); }

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

#main-content { display: block; scroll-margin-top: 132px; }

/* ---------- 排版工具 ---------- */
.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.display {
  font-size: clamp(2.6rem, 7vw, 6rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.lede {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.8;
  color: var(--slate);
  max-width: 34em;
}

.prose { color: var(--slate); }
.prose > * + * { margin-top: 18px; }
.prose p, .prose li { max-width: 34em; }
.prose strong { color: #fff; }
.prose a { color: var(--turf); text-decoration: underline; text-underline-offset: 3px; }

.eyebrow,
.page-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--turf);
}

.page-title {
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.025em;
}

.annotation {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--slate);
}

.annotation--vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.3em;
}

/* ---------- 布局 ---------- */
.wrap {
  width: min(100% - 32px, var(--wrap));
  margin-inline: auto;
}

.wrap--wide { width: min(100% - 32px, var(--wrap-wide)); }

.section { padding: 72px 0; }
.section--tight { padding: 40px 0; }

.divider {
  height: 0;
  margin: 40px 0;
  border: 0;
  border-top: var(--line-dark);
}

.divider--double {
  border-top: 3px double rgba(220, 211, 190, 0.3);
}

.grid { display: grid; gap: var(--gutter); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--split { grid-template-columns: minmax(0, 7fr) minmax(0, 3fr); }
.grid--offset { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (min-width: 901px) {
  .grid--offset > *:nth-child(even) { margin-top: 40px; }
}

.section-head { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }

.section-head__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--fluoro);
}

.section-head__title { font-size: clamp(1.5rem, 3vw, 2.1rem); }

.section-head__note {
  font-size: 14px;
  color: var(--slate);
  max-width: 34em;
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -72px;
  z-index: 95;
  padding: 10px 16px;
  background: var(--fluoro);
  color: var(--ink-text);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 2px;
  transition: top 0.2s var(--ease);
}

.skip-link:focus { top: 12px; }

/* ---------- 页头：居中刊头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(8, 22, 31, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: var(--line-dark);
}

.site-header__inner {
  position: relative;
  width: min(100% - 32px, var(--wrap));
  margin-inline: auto;
  padding: 16px 0 0;
}

.masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}

.masthead__mark {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--slate);
  text-transform: uppercase;
  max-width: none;
}

.masthead__brand-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
}

.masthead__brand {
  position: relative;
  display: inline-block;
  font-size: clamp(1.35rem, 3.2vw, 1.95rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #fff;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.masthead__brand::after {
  content: "";
  display: block;
  height: 3px;
  margin-top: 7px;
  background: linear-gradient(90deg, transparent, var(--pitch), var(--fluoro), var(--pitch), transparent);
}

.masthead__brand:hover { color: var(--fluoro); }

.masthead__line {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--slate);
  max-width: none;
}

.masthead__utility {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid rgba(201, 242, 77, 0.36);
  border-radius: 999px;
  background: rgba(201, 242, 77, 0.07);
  color: var(--fluoro);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.status-chip:hover,
.status-chip:focus-visible {
  background: var(--fluoro);
  border-color: var(--fluoro);
  color: var(--ink-text);
}

.status-chip:hover .status-chip__dot,
.status-chip:focus-visible .status-chip__dot {
  background: var(--ink-text);
  box-shadow: none;
  animation: none;
}

.status-chip__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fluoro);
  animation: status-pulse 2.6s infinite;
}

.status-chip__text { line-height: 1; }

@keyframes status-pulse {
  0% { box-shadow: 0 0 0 0 rgba(201, 242, 77, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(201, 242, 77, 0); }
  100% { box-shadow: 0 0 0 0 rgba(201, 242, 77, 0); }
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(13, 43, 34, 0.75);
  border: var(--line-soft);
  border-radius: 2px;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.nav-toggle:hover { border-color: var(--pitch); background: rgba(30, 138, 90, 0.25); }
.nav-toggle:active { transform: scale(0.98); }

.nav-toggle__box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  height: 12px;
}

.nav-toggle__bar {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--fluoro);
  transition: transform 0.2s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

.nav-toggle__label { line-height: 1; }

.site-nav {
  margin-top: 14px;
  border-top: var(--line-dark);
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.site-nav__item { position: relative; }

.site-nav__item + .site-nav__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 14px;
  margin-top: -7px;
  background: rgba(220, 211, 190, 0.22);
}

.site-nav__link {
  display: block;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.site-nav__link:hover { color: #fff; background: rgba(30, 138, 90, 0.2); }

.site-nav__link[aria-current="page"] {
  color: var(--fluoro);
  border-bottom-color: var(--fluoro);
}

@keyframes nav-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 96px;
  background: linear-gradient(180deg, var(--stand), var(--ink-bg) 88%);
  border-top: var(--line-green);
  color: var(--slate);
}

.site-footer__inner {
  width: min(100% - 32px, var(--wrap));
  margin-inline: auto;
  padding: 56px 0 36px;
  display: grid;
  grid-template-columns: 1.4fr 2fr 1.3fr;
  gap: 32px;
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.site-footer__logo {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #fff;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.site-footer__logo:hover { color: var(--fluoro); }

.site-footer__line {
  font-size: 11.5px;
  color: var(--slate);
  max-width: none;
}

.site-footer__mood {
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--turf);
  max-width: 20em;
}

.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.footer-col { display: flex; flex-direction: column; }

.footer-col__title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper);
}

.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-link {
  width: fit-content;
  font-size: 14.5px;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--fluoro);
  border-bottom-color: var(--fluoro);
}

.footer-link--strong {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--fluoro);
}

.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-meta {
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
  max-width: none;
}

.footer-meta .mono { color: var(--paper); }
.footer-meta--addr { color: rgba(159, 182, 198, 0.82); }

.site-footer__base {
  width: min(100% - 32px, var(--wrap));
  margin-inline: auto;
  padding: 18px 0 30px;
  border-top: var(--line-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.footer-legal,
.footer-year {
  font-size: 12.5px;
  color: var(--slate);
  max-width: none;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s var(--ease), background-color 0.18s var(--ease),
    color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--pitch);
  border-color: var(--pitch);
  color: #fff;
}

.btn--primary:hover { background: var(--turf); border-color: var(--turf); }

.btn--accent {
  background: var(--fluoro);
  border-color: var(--fluoro);
  color: var(--ink-text);
}

.btn--accent:hover { background: #d9ff63; border-color: #d9ff63; }

.btn--ghost {
  background: transparent;
  border-color: rgba(220, 211, 190, 0.4);
  color: var(--paper);
}

.btn--ghost:hover {
  background: rgba(30, 138, 90, 0.18);
  border-color: var(--pitch);
  color: #fff;
}

.btn--sm { padding: 8px 14px; font-size: 13px; }

/* ---------- 标签与筛选 ---------- */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid rgba(220, 211, 190, 0.32);
  border-radius: 2px;
  background: rgba(220, 211, 190, 0.05);
  color: var(--paper);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.tag:hover,
.tag:focus-visible,
.tag[aria-pressed="true"],
.tag--active {
  background: var(--fluoro);
  border-color: var(--fluoro);
  color: var(--ink-text);
}

.tag--green { border-color: rgba(47, 179, 122, 0.5); color: var(--turf); }
.tag--amber { border-color: rgba(255, 154, 60, 0.5); color: var(--amber); }

.tag-scroller {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}

.tag-scroller > * { flex: 0 0 auto; }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.filter-chip {
  padding: 6px 12px;
  border: 1px solid rgba(220, 211, 190, 0.32);
  border-radius: 2px;
  background: transparent;
  color: var(--paper);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.filter-chip:hover { background: var(--fluoro); border-color: var(--fluoro); color: var(--ink-text); }

.filter-chip[aria-pressed="true"] {
  background: var(--fluoro);
  border-color: var(--fluoro);
  color: var(--ink-text);
}

.filter-count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* ---------- 卡片与数据模块 ---------- */
.paper-card {
  position: relative;
  padding: 22px;
  background: var(--stand);
  border: var(--line-dark);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.paper-card:hover {
  transform: translateY(-4px);
  border-color: var(--pitch);
  box-shadow: var(--shadow-lift);
}

.paper-card--paper {
  background: var(--paper);
  border-color: var(--paper-edge);
  color: var(--ink-text);
}

.paper-card--paper .paper-card__meta,
.paper-card--paper .paper-card__excerpt { color: var(--quiet); }

.paper-card__title { font-size: 1.15rem; margin-bottom: 8px; }

.paper-card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
  max-width: none;
}

.paper-card__excerpt { font-size: 14.5px; line-height: 1.7; color: var(--slate); }

.stack {
  position: relative;
  isolation: isolate;
  padding: 0 18px 18px 0;
}

.stack::before,
.stack::after {
  content: "";
  position: absolute;
  z-index: -1;
  border: var(--line-dark);
  background: var(--stand);
}

.stack::before { inset: 9px -9px -9px 9px; }
.stack::after { inset: 18px -18px -18px 18px; border-color: rgba(47, 179, 122, 0.35); }

.scoreboard {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 18px;
  border: 1px solid rgba(201, 242, 77, 0.35);
  background: linear-gradient(180deg, rgba(13, 43, 34, 0.92), rgba(8, 22, 31, 0.92));
}

.scoreboard__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--fluoro);
}

.scoreboard__label { font-size: 13px; color: var(--slate); }

.timeline {
  position: relative;
  padding-left: 26px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--pitch), rgba(201, 242, 77, 0.35), transparent);
}

.timeline__item { position: relative; padding-bottom: 28px; }

.timeline__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--pitch);
  background: var(--ink-bg);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.timeline__item[data-state="now"]::before {
  background: var(--fluoro);
  border-color: var(--fluoro);
}

.timeline__title { font-size: 1.05rem; margin-bottom: 4px; }

.timeline__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
  max-width: none;
}

.index-grid {
  display: grid;
  gap: var(--gutter);
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.index-card {
  padding: 20px;
  background: var(--stand);
  border: var(--line-dark);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.index-card:hover {
  transform: translateY(-4px);
  border-color: var(--pitch);
  box-shadow: var(--shadow-lift);
}

.index-card__title { font-size: 1.05rem; margin-bottom: 6px; }
.index-card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
  max-width: none;
}
.index-card__text { font-size: 14px; line-height: 1.7; color: var(--slate); }

@media (min-width: 768px) {
  .index-grid--stagger > *:nth-child(even) { margin-top: 24px; }
  .index-grid--stagger > *:nth-child(3n) { margin-top: 12px; }
}

/* ---------- 提示块 / 折叠 / 面包屑 ---------- */
.callout {
  padding: 16px 20px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 154, 60, 0.09);
  color: var(--paper);
}

.callout--green { border-left-color: var(--turf); background: rgba(47, 179, 122, 0.10); }

.callout--paper {
  background: var(--paper);
  border-left-color: var(--pitch);
  color: var(--ink-text);
}

.accordion { border-top: var(--line-dark); }
.accordion__item { border-bottom: var(--line-dark); }
.accordion__head { margin: 0; font-size: 1rem; }

.accordion__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 4px;
  background: none;
  border: 0;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: color 0.18s var(--ease);
}

.accordion__trigger:hover { color: var(--fluoro); }

.accordion__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.accordion__sign::before,
.accordion__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
  background: var(--fluoro);
  transition: transform 0.2s var(--ease);
}

.accordion__sign::after { transform: rotate(90deg); }

.accordion__trigger[aria-expanded="true"] .accordion__sign::after { transform: rotate(0deg); }

.accordion__panel {
  padding: 0 4px 20px;
  color: var(--slate);
}

.breadcrumb {
  margin: 24px 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--quiet);
}

.breadcrumb a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid rgba(159, 182, 198, 0.32);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.breadcrumb a:hover { color: var(--fluoro); border-bottom-color: var(--fluoro); }

.breadcrumb__current { color: var(--paper); }

/* ---------- 图片容器 ---------- */
.media {
  position: relative;
  overflow: hidden;
  border: var(--line-dark);
  background: var(--stand);
}

.media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.media:hover > img { transform: scale(1.03); }

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

.media--grain::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(8, 22, 31, 0.16) 0 1px,
    transparent 1px 3px
  );
}

.media__caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
  max-width: none;
}

/* ---------- 滚动进度与显现 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 70;
  width: 3px;
  height: 100vh;
  background: rgba(220, 211, 190, 0.12);
  pointer-events: none;
}

.scroll-progress__bar {
  width: 100%;
  height: 100%;
  transform: scaleY(0);
  transform-origin: top center;
  background: linear-gradient(180deg, var(--pitch), var(--fluoro));
}

html.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.42s var(--ease), transform 0.42s var(--ease);
  transition-delay: calc(var(--i, 0) * 90ms);
}

html.js-ready [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 工具类 ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__inner { grid-template-columns: 1.2fr 1.8fr 1.2fr; gap: 26px; }
}

@media (max-width: 1000px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .site-footer__contact { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  body { font-size: 16.5px; }

  .site-header__inner { padding-top: 14px; }

  .masthead { grid-template-columns: 1fr; gap: 8px; }

  .masthead__mark { display: none; }

  .masthead__utility {
    position: absolute;
    top: 14px;
    right: 0;
    gap: 8px;
  }

  .status-chip { display: none; }

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

  .site-nav {
    display: none;
    margin-top: 12px;
    border-top: 0;
  }

  .site-nav[data-open="true"] {
    display: block;
    animation: nav-in 0.24s var(--ease);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 14px;
    border-top: var(--line-dark);
  }

  .site-nav__item + .site-nav__item::before { display: none; }

  .site-nav__link {
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid rgba(220, 211, 190, 0.12);
  }

  .site-nav__link[aria-current="page"] {
    background: rgba(30, 138, 90, 0.18);
    border-bottom-color: var(--pitch);
  }

  .grid--split { grid-template-columns: 1fr; }

  .section { padding: 56px 0; }

  .site-footer { margin-top: 72px; }
}

@media (max-width: 640px) {
  .grid--2,
  .grid--3,
  .grid--4,
  .grid--offset { grid-template-columns: 1fr; }

  .index-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 44px 0 28px;
  }

  .footer-nav { grid-template-columns: 1fr 1fr; }

  .site-footer__base { justify-content: flex-start; }

  .scroll-progress { width: 2px; }
}

/* ---------- 动效降级 ---------- */
@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;
  }

  html.js-ready [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
    transition-delay: 0ms;
  }

  .status-chip__dot { animation: none; }
  .site-nav[data-open="true"] { animation: none; }
}