/* ==========================================================================
   谈球吧体育 · 共享样式表 /assets/site.css
   深墨夜基底 · 看台深蓝轨道 · 草坪绿品牌 · 比分橙红强调 · 暖纸内容层
   ========================================================================== */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, figcaption, blockquote, dl, dd { margin: 0; padding: 0; }

ul, ol { list-style: none; }

img, svg, video { display: block; max-width: 100%; height: auto; }

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

a { color: inherit; text-decoration: none; }

table { border-collapse: collapse; width: 100%; }

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

/* ---------- 2. 变量 ---------- */
:root {
  /* 色彩体系 */
  --ink: #0A1418;
  --ink-deep: #060D10;
  --blue-stand: #12294A;
  --green: #1E7A55;
  --green-bright: #4FD08C;
  --green-ink: #14563C;
  --orange: #FF5A2B;
  --orange-soft: #FFA37A;
  --orange-ink: #C2350E;
  --silver: #C9D2D9;
  --paper: #F4EFE4;
  --paper-2: #E4DCCB;
  --ink-text: #0B1114;
  --mist: #7C8C99;

  /* 材质 */
  --glass: rgba(18, 41, 74, 0.55);
  --glass-line: rgba(201, 210, 217, 0.18);
  --glass-line-soft: rgba(201, 210, 217, 0.08);
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.45);

  /* 度量 */
  --rail-w: 0px;
  --maxw: 1440px;
  --gutter: 24px;
  --r: 4px;
  --sp: 24px;

  /* 字体 */
  --font-display: "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace;
}

@media (min-width: 1080px) {
  :root { --rail-w: 220px; --gutter: 48px; }
}

@media (min-width: 1400px) {
  :root { --gutter: 80px; }
}

/* ---------- 3. 中文排版基础 ---------- */
body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.01em;
  padding-left: var(--rail-w);
  min-height: 100vh;
  overflow-x: hidden;
}

p { max-width: 68ch; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0.005em;
}

h1 { font-size: clamp(34px, 5.6vw, 76px); }
h2 { font-size: clamp(26px, 3.6vw, 44px); }
h3 { font-size: clamp(20px, 2.4vw, 32px); }
h4 { font-size: clamp(18px, 1.8vw, 24px); }

strong { font-weight: 700; }

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

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

/* 滚动条（浅装饰） */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink-deep); }
::-webkit-scrollbar-thumb { background: #24363F; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--green); }

/* ---------- 4. 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 50%;
  top: -80px;
  transform: translateX(-50%);
  z-index: 200;
  padding: 12px 22px;
  background: var(--green-bright);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 0 0 var(--r) var(--r);
  transition: top 0.2s ease;
}

.skip-link:focus { top: 0; }

/* ---------- 5. 左侧品牌轨道 ---------- */
.rail { display: none; }

@media (min-width: 1080px) {
  .rail {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: var(--rail-w);
    z-index: 70;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 26px 18px 24px;
    background: linear-gradient(180deg, var(--ink) 0%, var(--blue-stand) 52%, var(--ink-deep) 100%);
    border-right: 1px solid var(--glass-line);
  }
}

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

.rail__pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green-bright);
  box-shadow: 0 0 0 0 rgba(79, 208, 140, 0.6);
  animation: railPulse 2.2s ease-out infinite;
}

@keyframes railPulse {
  0% { box-shadow: 0 0 0 0 rgba(79, 208, 140, 0.55); }
  70% { box-shadow: 0 0 0 12px rgba(79, 208, 140, 0); }
  100% { box-shadow: 0 0 0 0 rgba(79, 208, 140, 0); }
}

.rail__status {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--silver);
}

.rail__brand {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 26px;
  letter-spacing: 0.32em;
  color: var(--paper);
  margin: 26px 0;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
}

.rail__axis {
  width: 100%;
  padding: 0 4px 18px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  border-bottom: 1px solid var(--glass-line-soft);
}

.rail__tick {
  display: block;
  height: 1px;
  background: linear-gradient(90deg, var(--green-bright), rgba(79, 208, 140, 0));
  opacity: 0.55;
}

.rail__tick:nth-child(2n) { width: 62%; opacity: 0.32; }
.rail__tick:nth-child(3n) { background: linear-gradient(90deg, var(--orange), rgba(255, 90, 43, 0)); }

.rail__current {
  padding-top: 14px;
  border-top: 1px solid var(--glass-line);
  width: 100%;
}

.rail__current-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--mist);
  font-family: var(--font-mono);
}

.rail__current-name {
  display: block;
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.3;
  color: var(--green-bright);
}

/* ---------- 6. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(10, 20, 24, 0.94), rgba(10, 20, 24, 0.76));
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--glass-line);
}

.progress {
  position: fixed;
  left: var(--rail-w);
  right: 0;
  top: 0;
  height: 3px;
  z-index: 95;
  pointer-events: none;
}

.progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--green-bright), var(--orange));
}

.topbar { border-bottom: 1px solid var(--glass-line-soft); }

.topbar__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 78px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-right: auto;
}

.brand__mark {
  position: relative;
  flex: none;
  width: 34px; height: 34px;
  border-radius: 3px;
  background: linear-gradient(150deg, var(--green), var(--green-bright));
  display: grid;
  place-items: center;
  box-shadow: 0 0 0 1px rgba(79, 208, 140, 0.35), 0 0 22px rgba(79, 208, 140, 0.22);
}

.brand__mark-core {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--ink);
}

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

.brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.brand__line {
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.14em;
  color: var(--mist);
}

/* 导航 */
.nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.nav__link {
  display: inline-block;
  padding: 9px 12px;
  border-radius: 3px;
  font-size: 15px;
  font-weight: 500;
  color: var(--silver);
  transition: color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.nav__link:hover {
  color: var(--paper);
  background: rgba(201, 210, 217, 0.08);
}

.nav__link[aria-current="page"] {
  color: var(--paper);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--green-bright);
  background: rgba(79, 208, 140, 0.08);
}

.nav__cta { margin-left: 12px; }

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  position: relative;
  z-index: 92;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--glass-line);
  border-radius: 3px;
  background: rgba(18, 41, 74, 0.6);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--green-bright);
  transition: transform 0.24s ease, opacity 0.24s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 7. 数据滚动带 ---------- */
.ticker {
  display: flex;
  align-items: stretch;
  background: var(--blue-stand);
  border-top: 1px solid var(--glass-line-soft);
  overflow: hidden;
}

.ticker__label {
  flex: none;
  display: flex;
  align-items: center;
  padding: 0 18px;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.ticker__viewport {
  flex: 1 1 auto;
  overflow: hidden;
}

.ticker__track {
  display: flex;
  width: max-content;
  animation: tickerScroll 40s linear infinite;
}

.ticker:hover .ticker__track,
.ticker:focus-within .ticker__track { animation-play-state: paused; }

.ticker__group { display: flex; }

.ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 22px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.ticker__item::after {
  content: "";
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--green-bright);
  opacity: 0.7;
}

@keyframes tickerScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- 8. 布局容器与栅格 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section { padding: 76px 0; }

.section--blue {
  background: linear-gradient(180deg, var(--blue-stand), #0E2138);
  border-top: 1px solid var(--glass-line-soft);
  border-bottom: 1px solid var(--glass-line-soft);
}

.section--paper {
  background: var(--paper);
  color: var(--ink-text);
}

.section--paper .section__lead { color: #4A5A63; }
.section--paper h1,
.section--paper h2,
.section--paper h3,
.section--paper h4 { color: var(--ink-text); }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 30px;
}

.section__title { max-width: 22ch; }

.section__lead {
  max-width: 56ch;
  font-size: 16px;
  color: var(--mist);
}

.stack > * + * { margin-top: 18px; }

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
}

.grid--tight { gap: 14px; }

.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-12 { grid-column: span 12; }

@media (max-width: 1080px) {
  .col-4, .col-5 { grid-column: span 6; }
  .col-7, .col-8 { grid-column: span 12; }
}

@media (max-width: 640px) {
  .col-4, .col-5, .col-6, .col-7, .col-8 { grid-column: span 12; }
}

/* ---------- 9. 通用组件 ---------- */
/* 展览标签 */
.label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-bright);
  background: rgba(79, 208, 140, 0.08);
}

.label--orange { color: var(--orange-soft); background: rgba(255, 90, 43, 0.12); }
.label--silver { color: var(--silver); background: rgba(201, 210, 217, 0.08); }
.label--ink { color: var(--green-ink); background: rgba(20, 86, 60, 0.08); border-color: rgba(20, 86, 60, 0.4); }

/* 玻璃数据层 */
.glass {
  padding: 22px;
  border: 1px solid var(--glass-line);
  border-radius: var(--r);
  background: var(--glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.glass--panel {
  background: linear-gradient(160deg, rgba(18, 41, 74, 0.78), rgba(10, 20, 24, 0.66));
}

/* 暖纸说明牌 */
.plaque {
  position: relative;
  padding: 30px 26px 28px;
  border-radius: var(--r);
  background: var(--paper);
  color: var(--ink-text);
  box-shadow: var(--shadow);
}

.plaque::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 5px;
  border-radius: var(--r) var(--r) 0 0;
  background: linear-gradient(90deg,
    var(--green) 0 34%,
    var(--green-bright) 34% 52%,
    var(--orange) 52% 70%,
    var(--silver) 70% 100%);
}

.plaque__label { margin-bottom: 14px; }

.plaque__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.25;
  margin-bottom: 10px;
}

.plaque__body {
  font-size: 15px;
  line-height: 1.85;
  color: #33414A;
}

.plaque--tight { padding: 22px 20px 20px; }

/* 数据数字 */
.stat { display: flex; flex-direction: column; gap: 6px; }

.stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--silver);
  font-variant-numeric: tabular-nums;
}

.stat--hot .stat__num { color: var(--orange); }
.stat--up .stat__num { color: var(--green-bright); }

.stat__cap {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.section--paper .stat__num { color: var(--ink-text); }
.section--paper .stat--hot .stat__num { color: var(--orange-ink); }
.section--paper .stat--up .stat__num { color: var(--green-ink); }
.section--paper .stat__cap { color: #5C6B74; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.06em;
  transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn--primary { background: var(--orange); color: var(--ink); }
.btn--primary:hover { background: var(--orange-soft); transform: translateY(-2px); }

.btn--ghost {
  border-color: var(--glass-line);
  background: rgba(201, 210, 217, 0.06);
  color: var(--paper);
}
.btn--ghost:hover { border-color: var(--green-bright); color: var(--green-bright); }

.btn--paper { background: var(--paper); color: var(--ink); }
.btn--paper:hover { background: var(--green-bright); transform: translateY(-2px); }

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

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.breadcrumb__item { display: inline-flex; align-items: center; gap: 10px; }

.breadcrumb__sep { color: rgba(201, 210, 217, 0.35); }

.breadcrumb a:hover { color: var(--green-bright); }

.breadcrumb [aria-current="page"] { color: var(--silver); }

.section--paper .breadcrumb { color: #5C6B74; }
.section--paper .breadcrumb__sep { color: rgba(11, 17, 20, 0.3); }
.section--paper .breadcrumb [aria-current="page"] { color: var(--ink-text); }

/* 图片容器基础规则 */
.picture {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--glass-line);
  border-radius: var(--r);
  background: linear-gradient(140deg, var(--blue-stand), var(--ink) 65%);
}

.picture::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(79, 208, 140, 0.07) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(0deg, rgba(201, 210, 217, 0.05) 0 1px, transparent 1px 30px);
  pointer-events: none;
}

.picture--16x9 { aspect-ratio: 16 / 9; }
.picture--4x3 { aspect-ratio: 4 / 3; }
.picture--1x1 { aspect-ratio: 1 / 1; }
.picture--wide { aspect-ratio: 21 / 9; }

.picture__img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.picture__cap {
  position: absolute;
  left: 0; bottom: 0;
  z-index: 2;
  padding: 8px 14px;
  background: rgba(10, 20, 24, 0.74);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--silver);
}

/* 数据表 */
.data-table { width: 100%; font-size: 15px; }

.data-table th {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
  border-bottom: 1px solid var(--glass-line);
}

.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--glass-line-soft);
  font-variant-numeric: tabular-nums;
}

.data-table tbody tr:nth-child(even) { background: rgba(201, 210, 217, 0.04); }

.data-table .num { font-family: var(--font-mono); letter-spacing: 0.04em; }

.section--paper .data-table th { color: #5C6B74; border-bottom-color: rgba(11, 17, 20, 0.16); }
.section--paper .data-table td { border-bottom-color: rgba(11, 17, 20, 0.08); color: var(--ink-text); }
.section--paper .data-table tbody tr:nth-child(even) { background: var(--paper-2); }

/* 筛选标签 */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }

.chip {
  padding: 8px 16px;
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  background: rgba(201, 210, 217, 0.05);
  color: var(--silver);
  font-size: 13px;
  letter-spacing: 0.08em;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.chip:hover { border-color: var(--green-bright); color: var(--green-bright); }

.chip[aria-pressed="true"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--paper);
}

.section--paper .chip { border-color: rgba(11, 17, 20, 0.18); color: #43525B; background: rgba(11, 17, 20, 0.03); }
.section--paper .chip:hover { border-color: var(--green-ink); color: var(--green-ink); }
.section--paper .chip[aria-pressed="true"] { background: var(--green-ink); border-color: var(--green-ink); color: var(--paper); }

/* 折叠面板 */
.fold { border-top: 1px solid var(--glass-line); }

.fold:last-child { border-bottom: 1px solid var(--glass-line); }

.fold__head {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 4px;
  text-align: left;
  color: var(--paper);
}

.fold__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.fold__mark {
  position: relative;
  flex: none;
  width: 12px; height: 12px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  color: var(--green-bright);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.28s ease;
}

.fold__head[aria-expanded="true"] .fold__mark { transform: rotate(225deg) translate(-2px, -2px); }

.fold__panel {
  height: 0;
  overflow: hidden;
  transition: height 0.28s ease;
}

.fold__body {
  padding: 0 4px 26px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
  max-width: 68ch;
}

.section--paper .fold { border-top-color: rgba(11, 17, 20, 0.16); }
.section--paper .fold:last-child { border-bottom-color: rgba(11, 17, 20, 0.16); }
.section--paper .fold__head { color: var(--ink-text); }
.section--paper .fold__mark { color: var(--green-ink); }
.section--paper .fold__body { color: #3A4750; }

/* 显现动效 */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* ---------- 10. 页脚 ---------- */
.site-footer {
  background: linear-gradient(180deg, var(--ink), var(--ink-deep));
  border-top: 1px solid var(--glass-line);
  padding: 66px 0 30px;
  color: var(--silver);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 34px;
}

@media (max-width: 1080px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 620px) {
  .footer__grid { grid-template-columns: 1fr; }
}

.footer__brand {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.footer__brandline {
  margin-top: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.14em;
  color: var(--green-bright);
}

.footer__note {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 40ch;
}

.footer__col--brand .btn { margin-top: 18px; }

.footer__title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green-bright);
  margin-bottom: 16px;
}

.footer__list li { margin-bottom: 10px; font-size: 15px; line-height: 1.7; }

.footer__list--plain li { color: var(--silver); font-family: var(--font-body); }

.footer__link {
  color: var(--silver);
  font-size: 15px;
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.footer__link:hover {
  color: var(--paper);
  padding-left: 4px;
  box-shadow: inset 2px 0 0 var(--green-bright);
}

.footer__meta {
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid var(--glass-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
}

.footer__contact,
.footer__legal {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 100%;
}

.footer__legal {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ---------- 11. 移动端导航抽屉 ---------- */
@media (max-width: 960px) {
  body.nav-open { overflow: hidden; }

  .nav {
    position: fixed;
    top: 0; right: 0;
    z-index: 80;
    width: min(340px, 88vw);
    height: 100vh;
    padding: 104px 24px 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
    overflow-y: auto;
    background: linear-gradient(180deg, var(--ink), var(--blue-stand) 70%, var(--ink-deep));
    border-left: 1px solid var(--glass-line);
    box-shadow: -22px 0 48px rgba(0, 0, 0, 0.5);
    transform: translateX(104%);
    transition: transform 0.32s ease;
  }

  .nav[data-open="true"] { transform: none; }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0;
  }

  .nav__link {
    display: block;
    width: 100%;
    padding: 15px 6px;
    font-size: 18px;
    border-bottom: 1px solid var(--glass-line-soft);
    border-radius: 0;
  }

  .nav__link[aria-current="page"] {
    box-shadow: inset 3px 0 0 var(--green-bright);
    padding-left: 14px;
  }

  .nav__cta { margin-left: 0; width: 100%; padding: 15px 20px; }

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

  .brand__line { display: none; }
}

/* ---------- 12. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .ticker__track { animation: none; }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}