/* ==========================================================================
   乐鱼赛场 · 共享样式表 /assets/site.css
   夜间赛场 + 数据屏：深墨蓝底、水感蓝绿结构色、赛事脉冲橙红点缀
   ========================================================================== */

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 120px; }
body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
button { background: none; border: 0; }
img, svg, video { display: block; max-width: 100%; }
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
[hidden] { display: none !important; }

/* ---------- tokens ---------- */
:root {
  --ink: #0B1A2B;
  --ink-2: #12293F;
  --ink-3: #060F19;
  --teal: #17C3B2;
  --teal-soft: #7FE3DA;
  --teal-ink: #0B6E66;
  --pulse: #FF5A36;
  --amber: #FFB27A;
  --paper: #F7F3EA;
  --slate: #8FA3B8;
  --green: #4CE0A5;
  --violet: #7A5CFF;

  --text-1: #F7F3EA;
  --text-2: #C9D6E4;

  --line: rgba(143, 163, 184, .26);
  --teal-line: rgba(23, 195, 178, .34);

  --radius: 18px;
  --radius-sm: 12px;
  --wrap: 1280px;
  --header-h: 80px;

  --shadow-1: 0 10px 26px rgba(3, 10, 18, .45);
  --shadow-2: 0 20px 48px rgba(3, 10, 18, .62);

  --font-display: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  --ease: cubic-bezier(.32, .72, .32, 1);
}

/* ---------- base ---------- */
body {
  background: var(--ink);
  color: var(--text-2);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.8;
  letter-spacing: .004em;
  overflow-x: hidden;
}

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

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

/* ---------- 布局容器 ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

#main-content,
.page-main {
  display: block;
  padding-top: calc(var(--header-h) + 34px);
  scroll-margin-top: calc(var(--header-h) + 10px);
}

.section { padding: clamp(56px, 7vw, 104px) 0; }
.section--tight { padding: clamp(34px, 4.4vw, 58px) 0; }

.section--panel {
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  border-top: 1px solid var(--teal-line);
  border-bottom: 1px solid var(--line);
}

.section--light {
  background: var(--paper);
  color: #34495E;
  border-top: 1px solid rgba(11, 26, 43, .12);
  border-bottom: 1px solid rgba(11, 26, 43, .12);
}

.grid { display: grid; gap: clamp(16px, 2vw, 26px); }
.grid-12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(16px, 2vw, 26px); }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

.stack { display: grid; gap: 18px; align-content: start; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* ---------- 排版 ---------- */
.display {
  font-size: clamp(40px, 7vw, 88px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--text-1);
}
.display--sm { font-size: clamp(28px, 4.6vw, 56px); line-height: 1.08; }

.index {
  font-size: 12px;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--teal-soft);
}

.lede { font-size: clamp(17px, 1.3vw, 19px); line-height: 1.85; color: var(--text-2); max-width: 34em; }

.prose { max-width: 34em; color: var(--text-2); }
.prose > p + p { margin-top: 1.05em; }
.prose h3 { margin: 1.7em 0 .5em; font-size: 20px; font-weight: 800; color: var(--text-1); }
.prose a { color: var(--teal-soft); border-bottom: 1px solid rgba(127, 227, 218, .45); }
.prose a:hover { color: var(--paper); border-color: var(--pulse); }

.muted { color: var(--slate); }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  overflow: hidden; white-space: nowrap; clip: rect(0 0 0 0); clip-path: inset(50%);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .18s var(--ease), background .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--pulse {
  background: var(--pulse);
  color: #220D06;
  box-shadow: 0 12px 28px rgba(255, 90, 54, .28);
}
.btn--pulse:hover { background: #FF7155; }
.btn--ghost {
  background: rgba(23, 195, 178, .08);
  border-color: var(--teal-line);
  color: var(--text-1);
}
.btn--ghost:hover { background: rgba(23, 195, 178, .18); border-color: var(--teal); }
.btn--quiet { border-color: var(--line); color: var(--slate); font-weight: 600; }
.btn--quiet:hover { color: var(--text-1); border-color: var(--teal); }

/* ---------- 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--slate);
}
.crumbs li { display: flex; align-items: center; gap: 8px; }
.crumbs li + li::before { content: "/"; color: rgba(143, 163, 184, .5); }
.crumb { color: var(--slate); transition: color .18s ease; }
.crumb:hover { color: var(--teal-soft); }
.crumb[aria-current="page"] { color: var(--text-1); }

/* ---------- 面板与卡片 ---------- */
.panel {
  background: linear-gradient(160deg, var(--ink-2) 0%, var(--ink) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 2.4vw, 28px);
}
.panel--cut {
  border-radius: 0;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}
.panel--light { background: #FFFFFF; border-color: rgba(11, 26, 43, .1); color: #34495E; }
.panel--link { display: block; transition: transform .18s var(--ease), box-shadow .18s ease, border-color .18s ease; }
.panel--link:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: var(--teal-line); }

.card {
  position: relative;
  background: linear-gradient(160deg, var(--ink-2) 0%, var(--ink) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(18px, 2vw, 24px);
  transition: transform .18s var(--ease), box-shadow .18s ease, border-color .18s ease;
}
.card:hover,
.card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: var(--teal-line);
}

/* ---------- 章节色带 ---------- */
.chapter-band {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--teal-line);
}
.chapter-band::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--violet) 55%, var(--pulse));
  transition: width .24s var(--ease);
}
.chapter-band.is-in::before { width: 100%; }
.chapter-no { font-family: var(--font-mono); font-size: 12px; font-weight: 700; letter-spacing: .2em; color: var(--violet); }
.chapter-title { font-size: clamp(20px, 2.4vw, 27px); font-weight: 800; letter-spacing: -.01em; color: var(--text-1); }
.chapter-meta { margin-left: auto; font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; color: var(--slate); }

/* ---------- 章节索引（滚动高亮） ---------- */
.index-rail {
  position: sticky;
  top: calc(var(--header-h) + 18px);
  display: grid;
  gap: 4px;
  align-content: start;
}
.index-link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 10px;
  border-left: 2px solid var(--line);
  font-size: 13.5px;
  color: var(--slate);
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}
.index-link:hover { color: var(--text-1); border-color: var(--teal); }
.index-link[aria-current="true"] {
  color: var(--text-1);
  border-color: var(--pulse);
  background: linear-gradient(90deg, rgba(255, 90, 54, .14), transparent 80%);
}
.index-no { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; color: rgba(143, 163, 184, .75); }

/* ---------- 数据条 ---------- */
.data-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.data-cell { background: #0E1F31; padding: 18px 16px; }
.data-num { font-family: var(--font-mono); font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; line-height: 1.1; color: var(--text-1); }
.data-num--up { color: var(--green); }
.data-num--pulse { color: var(--pulse); }
.data-label { margin-top: 8px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--slate); }

/* ---------- 比分卡 ---------- */
.score-card {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 14px;
  padding: 20px;
  background: linear-gradient(140deg, var(--ink-2), var(--ink-3));
  border: 1px solid var(--teal-line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}
.score-team { font-size: 15px; font-weight: 700; color: var(--text-1); }
.score-team--away { text-align: right; }
.score-num { font-family: var(--font-mono); font-size: 30px; font-weight: 800; letter-spacing: .02em; color: var(--pulse); }
.score-meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--slate);
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}
.tag--teal { color: var(--teal-soft); border-color: rgba(23, 195, 178, .45); background: rgba(23, 195, 178, .1); }
.tag--pulse { color: #FFC9B8; border-color: rgba(255, 90, 54, .45); background: rgba(255, 90, 54, .12); }
.tag--violet { color: #CFC6FF; border-color: rgba(122, 92, 255, .5); background: rgba(122, 92, 255, .14); }
.tag--green { color: var(--green); border-color: rgba(76, 224, 165, .45); background: rgba(76, 224, 165, .1); }

/* ---------- 对照表 ---------- */
.scroll-x {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  -webkit-overflow-scrolling: touch;
}
.table { width: 100%; min-width: 640px; border-collapse: collapse; font-size: 14.5px; }
.table th {
  position: sticky;
  top: 0;
  padding: 14px 16px;
  background: #0E1F31;
  border-bottom: 1px solid var(--teal-line);
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal-soft);
}
.table td { padding: 14px 16px; border-bottom: 1px solid var(--line); color: var(--text-2); }
.table tbody tr:hover td { background: rgba(23, 195, 178, .06); }
.table td.num { font-family: var(--font-mono); color: var(--text-1); }
.table .col-pin { position: sticky; left: 0; z-index: 2; background: #0E1F31; }

/* ---------- 图片容器（页面阶段放图片 / 内联图形） ---------- */
.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--teal-line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--ink-2), var(--ink-3));
}
.media img,
.media video,
.media svg { width: 100%; height: 100%; object-fit: cover; }
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 26, 43, .04), rgba(6, 15, 25, .74));
  pointer-events: none;
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 4 / 5; }
.media--square { aspect-ratio: 1 / 1; }
.media--tilt { clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%); }
.media--cut { clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%); }
.media-cap {
  position: absolute;
  left: 16px; bottom: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(247, 243, 234, .85);
}

/* ---------- 脉冲点 ---------- */
.pulse-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--pulse);
  animation: breathe 3s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.76); }
}

/* ---------- 进入视口显现（无 JS 时内容默认可见） ---------- */
[data-reveal].is-visible { animation: reveal-in .5s var(--ease) both; }
@keyframes reveal-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 浅底分区适配 ---------- */
.section--light .display,
.section--light .chapter-title,
.section--light .prose h3 { color: var(--ink); }
.section--light .lede,
.section--light .prose .muted { color: #405A70; }
.section--light .index { color: var(--teal-ink); }
.section--light .chapter-band { border-top-color: rgba(11, 110, 102, .35); }
.section--light .chapter-no { color: #5A3FE0; }
.section--light .chapter-meta { color: #5B7185; }
.section--light .panel,
.section--light .card,
.section--light .data-cell { background: #FFFFFF; border-color: rgba(11, 26, 43, .1); }
.section--light .data-strip { background: rgba(11, 26, 43, .12); border-color: rgba(11, 26, 43, .12); }
.section--light .data-num { color: var(--ink); }
.section--light .data-label,
.section--light .muted { color: #5B7185; }
.section--light .tag--teal { color: var(--teal-ink); border-color: rgba(11, 110, 102, .4); background: rgba(23, 195, 178, .14); }

/* ==========================================================================
   页头：悬浮胶囊浮岛
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  padding: 14px 0 0;
  transition: padding .24s var(--ease);
}
.site-header[data-shrink="true"] { padding-top: 6px; }

.skip-link {
  position: fixed;
  top: 12px; left: 50%;
  transform: translate(-50%, -180%);
  z-index: 200;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--teal);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  transition: transform .2s var(--ease);
}
.skip-link:focus-visible { transform: translate(-50%, 0); }

.scroll-track {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: rgba(143, 163, 184, .14);
}
.scroll-thumb {
  display: block;
  width: 0; height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--violet) 55%, var(--pulse));
  transition: width .12s linear;
}

.header-rail {
  position: relative;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

.header-capsule {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 10px 8px 16px;
  border: 1px solid var(--teal-line);
  border-radius: 999px;
  background: linear-gradient(100deg, rgba(11, 26, 43, .92), rgba(18, 41, 63, .86));
  box-shadow: var(--shadow-1);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  backdrop-filter: blur(16px) saturate(120%);
  transition: padding .24s var(--ease), border-color .24s ease, background .24s ease;
}
.site-header[data-shrink="true"] .header-capsule {
  padding: 4px 8px 4px 14px;
  border-color: rgba(23, 195, 178, .5);
  background: linear-gradient(100deg, rgba(6, 15, 25, .96), rgba(11, 26, 43, .94));
}

/* 品牌 */
.brand { display: flex; flex: 0 0 auto; align-items: center; gap: 10px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--teal), var(--teal-soft) 55%, var(--pulse));
  clip-path: polygon(0 0, 72% 0, 100% 28%, 100% 100%, 0 100%);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
}
.brand-text { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.brand-name { font-size: 17px; font-weight: 800; letter-spacing: .01em; color: var(--text-1); white-space: nowrap; }
.brand-sub {
  max-height: 18px;
  overflow: hidden;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate);
  white-space: nowrap;
  transition: max-height .24s var(--ease), opacity .24s ease;
}
.site-header[data-shrink="true"] .brand-sub { max-height: 0; opacity: 0; }

/* 栏目导航 */
.nav { flex: 1 1 auto; min-width: 0; }
.nav-list { display: flex; align-items: center; justify-content: center; gap: 2px; }
.nav-link {
  display: inline-block;
  padding: 9px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--text-2);
  white-space: nowrap;
  transition: color .18s ease, background .18s ease, border-color .18s ease;
}
.nav-link:hover { color: var(--text-1); background: rgba(23, 195, 178, .12); border-color: rgba(23, 195, 178, .35); }
.nav-link[aria-current="page"] {
  background: var(--teal);
  color: var(--ink);
  font-weight: 700;
  border-color: var(--teal);
  box-shadow: 0 8px 20px rgba(23, 195, 178, .3);
}

/* 右侧工具 */
.header-tools { display: flex; flex: 0 0 auto; align-items: center; gap: 8px; }

.evt { position: relative; }
.evt-summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid rgba(23, 195, 178, .4);
  border-radius: 999px;
  background: rgba(23, 195, 178, .12);
  color: var(--teal-soft);
  font-size: 13px;
  letter-spacing: .04em;
  transition: background .18s ease, border-color .18s ease;
}
.evt-summary:hover { background: rgba(23, 195, 178, .2); border-color: var(--teal); }
.evt-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--pulse); animation: breathe 3s ease-in-out infinite; }
.evt-label { color: var(--slate); }
.evt-current { color: var(--text-1); font-weight: 700; }

.evt-panel {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 30;
  width: min(340px, 82vw);
  padding: 14px;
  border: 1px solid var(--teal-line);
  background: linear-gradient(160deg, var(--ink), var(--ink-2));
  box-shadow: var(--shadow-2);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}
.evt-hint { margin-bottom: 10px; font-size: 12px; letter-spacing: .1em; color: var(--slate); }
.evt-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.evt-chip {
  padding: 7px 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 12.5px;
  color: var(--text-2);
  cursor: pointer;
  transition: background .16s ease, border-color .16s ease, color .16s ease;
}
.evt-chip:hover { border-color: var(--teal); color: var(--text-1); background: rgba(23, 195, 178, .1); }
.evt-chip[data-active="true"] { background: var(--teal); border-color: var(--teal); color: var(--ink); font-weight: 700; }

.tool-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 13px;
  border: 1px solid rgba(122, 92, 255, .42);
  border-radius: 999px;
  background: rgba(122, 92, 255, .14);
  color: #D3CBFF;
  font-size: 13px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}
.tool-btn:hover { background: rgba(122, 92, 255, .28); color: #FFFFFF; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--teal-line);
  border-radius: 999px;
  background: rgba(23, 195, 178, .14);
  color: var(--text-1);
  font-size: 13px;
  cursor: pointer;
}
.nav-toggle-bars { position: relative; display: block; width: 16px; height: 2px; background: currentColor; transition: background .2s ease; }
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px; height: 2px;
  background: currentColor;
  transition: transform .2s var(--ease);
}
.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }
[data-nav-toggle][aria-expanded="true"] .nav-toggle-bars { background: transparent; }
[data-nav-toggle][aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(5px) rotate(45deg); }
[data-nav-toggle][aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-5px) rotate(-45deg); }
.nav-toggle-label { letter-spacing: .06em; }

/* 检索面板 */
.header-search { margin-top: 10px; }
.search-field {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--teal-line);
  border-left: 3px solid var(--teal);
  border-radius: 14px;
  background: rgba(6, 15, 25, .95);
  box-shadow: var(--shadow-1);
}
.search-input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 4px 0;
  border: 0;
  background: transparent;
  outline: none;
  font-size: 15px;
  color: var(--text-1);
}
.search-input::placeholder { color: var(--slate); }
.search-status { font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--teal-soft); white-space: nowrap; }
.search-clear {
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--slate);
  font-size: 12px;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease;
}
.search-clear:hover { color: var(--text-1); border-color: var(--teal); }

/* ==========================================================================
   页脚：三层 + 版权行
   ========================================================================== */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 8vw, 110px);
  border-top: 1px solid var(--teal-line);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-3) 55%, var(--ink-3) 100%);
  color: var(--text-2);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: min(420px, 62%);
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--violet) 55%, var(--pulse));
}
.footer-rail { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.footer-top {
  display: grid;
  grid-template-columns: minmax(240px, 1.05fr) minmax(0, 1.6fr);
  gap: 34px;
  padding: clamp(44px, 5vw, 64px) 0 38px;
  border-bottom: 1px solid var(--line);
}
.footer-brand-name { font-size: 22px; font-weight: 800; letter-spacing: -.01em; color: var(--text-1); }
.footer-brand-line { margin-top: 10px; max-width: 32ch; font-size: 14.5px; line-height: 1.8; color: var(--slate); }
.footer-family { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 22px; }
.footer-col { min-width: 0; }
.footer-heading {
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--teal-soft);
}
.footer-links { display: grid; gap: 9px; }
.footer-link {
  display: inline-block;
  width: fit-content;
  border-bottom: 1px solid transparent;
  font-size: 14.5px;
  color: var(--text-2);
  transition: color .16s ease, border-color .16s ease;
}
.footer-link:hover { color: var(--text-1); border-color: var(--pulse); }

.footer-mid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.footer-nav,
.footer-legal { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-nav .footer-link,
.footer-legal .footer-link { font-size: 14px; }

.footer-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  padding: 30px 0 8px;
}
.footer-meta-item { padding-left: 14px; border-left: 2px solid rgba(23, 195, 178, .5); }
.footer-meta-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate);
}
.footer-meta-value { display: block; margin-top: 4px; font-size: 14.5px; line-height: 1.7; color: var(--text-1); word-break: break-word; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  margin-top: 22px;
  padding: 18px 0 26px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--slate);
}
.footer-copy { font-family: var(--font-mono); letter-spacing: .04em; }
.footer-note { color: var(--slate); }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1160px) {
  .nav-link { padding: 8px 10px; font-size: 13.5px; }
  .brand-sub { display: none; }
}

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0; right: 0;
    display: none;
    max-height: min(72vh, 540px);
    overflow: auto;
    padding: 12px;
    border: 1px solid var(--teal-line);
    border-radius: 18px;
    background: linear-gradient(160deg, var(--ink), var(--ink-2));
    box-shadow: var(--shadow-2);
  }
  .nav[data-open="true"] { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 4px; }
  .nav-link {
    display: block;
    padding: 12px 14px;
    border: 1px solid rgba(143, 163, 184, .2);
    border-radius: 12px;
    font-size: 15px;
  }
  .nav-link[aria-current="page"] { border-color: var(--teal); }
  .col-7, .col-8, .col-9, .col-5 { grid-column: span 6; }
}

@media (max-width: 900px) {
  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  [class*="col-"] { grid-column: span 6; }
  .footer-top { grid-template-columns: 1fr; gap: 26px; }
  .index-rail { position: static; }
}

@media (max-width: 640px) {
  :root { --header-h: 72px; }
  .header-rail { padding: 0 12px; }
  .header-capsule { gap: 8px; padding: 6px 8px 6px 12px; }
  .brand-mark { width: 30px; height: 30px; font-size: 12px; }
  .brand-name { font-size: 15px; }
  .evt-label, .evt-current { display: none; }
  .evt-summary { padding: 8px 10px; }
  .tool-btn { padding: 8px 11px; }
  .nav-toggle-label { display: none; }
  .search-field { flex-wrap: wrap; gap: 8px; }
  .search-input { flex: 1 1 100%; }
  .search-status { order: 2; }
  .grid-12 { grid-template-columns: 1fr; }
  [class*="col-"] { grid-column: 1 / -1; }
  .chapter-meta { margin-left: 0; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .data-strip { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
}

/* ---------- 降低动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal].is-visible { animation: none; }
  .chapter-band::before { width: 100%; }
}