/* ============================================================
   必赢亚州游戏 · 共享样式表 /assets/site.css
   赛季年鉴视觉：墨绿主场 + 炭黑命令栏 + 荧光青/暖橙信号
   ============================================================ */

:root {
  --ink: #0B2A24;
  --teal: #103B36;
  --charcoal: #14181A;
  --indigo: #2C2A4A;
  --wine: #5A2233;
  --paper: #E8E3D8;
  --card: #F6F3EC;
  --cyan: #3BE0C6;
  --orange: #F2873C;
  --body: #565B54;
  --line: #C7BFB0;
  --lime: #D8F06A;

  --font-display: "Oswald", "Archivo Narrow", "Arial Narrow", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  --font-heading: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --header-h: 68px;
  --radius: 8px;
  --shell: 1240px;
  --shell-wide: 1440px;

  --muted: var(--body);
  --rule: var(--line);
}

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--charcoal);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.01em;
}

p { margin: 0 0 1.2em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

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

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  margin: 0;
}

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

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

hr { border: 0; border-top: 1px solid var(--rule); margin: 0; }

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

::selection {
  background: var(--cyan);
  color: #06231E;
}

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

.skip-link {
  position: absolute;
  top: -120px;
  left: 16px;
  z-index: 300;
  display: inline-block;
  padding: 12px 22px;
  border-radius: 6px;
  background: var(--cyan);
  color: #06231E;
  font-weight: 700;
  font-size: 14px;
  transition: top 0.18s ease;
}

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

.is-filtered-out { display: none !important; }

/* ---------- 排版 ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(52px, 9vw, 168px);
  line-height: 0.88;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0;
}

.display--score {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--orange);
}

.h2 {
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.4em;
}

.h3 {
  font-size: clamp(18px, 1.8vw, 23px);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 0.4em;
}

.lede {
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.7;
  color: var(--muted);
  max-width: 58ch;
  margin: 0 0 1.1em;
}

.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
}

.prose p { margin-bottom: 1.2em; }
.prose strong { color: inherit; font-weight: 700; }
.prose h2, .prose h3 { color: inherit; margin-top: 1.6em; }

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 14px;
}

.kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  background: currentColor;
  flex: 0 0 auto;
}

.mono-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  padding-inline: 0.08em;
  letter-spacing: -0.01em;
}

/* ---------- 布局 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 56px);
}

.shell--wide { max-width: var(--shell-wide); }
.shell--narrow { max-width: 760px; }

.section {
  position: relative;
  padding-block: clamp(48px, 8vw, 112px);
  background-color: var(--paper);
  color: var(--charcoal);
}

.section--dark,
.section--teal,
.section--indigo,
.section--wine {
  color: var(--card);
  --muted: rgba(246, 243, 236, 0.78);
  --rule: rgba(246, 243, 236, 0.18);
}

.section--dark { background-color: var(--ink); }
.section--teal { background-color: var(--teal); }
.section--indigo { background-color: var(--indigo); }
.section--wine { background-color: var(--wine); }
.section--paper { background-color: var(--paper); }
.section--card { background-color: var(--card); }

.section--dark .tag--cyan,
.section--teal .tag--cyan,
.section--indigo .tag--cyan,
.section--wine .tag--cyan {
  color: var(--cyan);
  background: rgba(59, 224, 198, 0.12);
  border-color: rgba(59, 224, 198, 0.42);
}

.section--dark .tag--lime,
.section--teal .tag--lime,
.section--indigo .tag--lime,
.section--wine .tag--lime {
  color: var(--lime);
  background: rgba(216, 240, 106, 0.12);
  border-color: rgba(216, 240, 106, 0.4);
}

.section--dark .tag--orange,
.section--teal .tag--orange,
.section--indigo .tag--orange,
.section--wine .tag--orange {
  color: var(--orange);
  background: rgba(242, 135, 60, 0.14);
  border-color: rgba(242, 135, 60, 0.44);
}

/* ---------- 网格 ---------- */
.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 32px);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--asym { grid-template-columns: minmax(0, 62fr) minmax(0, 38fr); }
.grid--asym-rev { grid-template-columns: minmax(0, 38fr) minmax(0, 62fr); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn--signal {
  background-color: var(--cyan);
  color: #06231E;
}

.btn--signal:hover { background-color: #6BEFDA; }

.btn--orange {
  background-color: var(--orange);
  color: #2A1206;
}

.btn--orange:hover { background-color: #FFA05C; }

.btn--ghost {
  border-color: rgba(246, 243, 236, 0.35);
  color: var(--card);
}

.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn--outline {
  border-color: var(--charcoal);
  color: var(--charcoal);
}

.btn--outline:hover {
  background-color: var(--charcoal);
  color: var(--card);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  padding-block: 20px 0;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.breadcrumb__item {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  color: var(--muted);
}

.breadcrumb__item:not(:last-child)::after {
  content: "/";
  color: var(--rule);
}

.breadcrumb__item a {
  color: var(--muted);
  transition: color 0.18s ease;
}

.breadcrumb__item a:hover { color: var(--cyan); }

.breadcrumb__item[aria-current="page"] { color: inherit; }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: rgba(20, 24, 26, 0.05);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.6;
  white-space: nowrap;
}

.tag--cyan {
  color: #0A3B34;
  background: rgba(59, 224, 198, 0.22);
  border-color: rgba(59, 224, 198, 0.5);
}

.tag--lime {
  color: #33400A;
  background: rgba(216, 240, 106, 0.35);
  border-color: rgba(216, 240, 106, 0.6);
}

.tag--orange {
  color: #59270A;
  background: rgba(242, 135, 60, 0.24);
  border-color: rgba(242, 135, 60, 0.5);
}

/* ---------- 档案卡 ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--charcoal);
}

.card--tabbed { margin-top: 27px; }

.card__tab {
  position: absolute;
  top: -1px;
  left: 20px;
  transform: translateY(-100%);
  padding: 5px 13px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--body);
  white-space: nowrap;
}

.card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.card__title {
  font-family: var(--font-heading);
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 600;
  line-height: 1.3;
  margin: 0;
}

.card__body {
  font-size: 15px;
  line-height: 1.75;
  color: var(--body);
  margin: 0;
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid rgba(199, 191, 176, 0.6);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--body);
}

/* ---------- 数值行 ---------- */
.data-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--rule);
}

.data-row:last-child { border-bottom: 0; }

.data-row__key {
  font-size: 15px;
  color: var(--muted);
}

.data-row__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-align: right;
}

/* ---------- 时间轴 ---------- */
.timeline {
  position: relative;
  padding-left: 2px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--rule);
}

.timeline__item {
  position: relative;
  padding-left: 36px;
  padding-bottom: 28px;
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__dot {
  position: absolute;
  left: 0;
  top: 7px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--rule);
  background-color: var(--paper);
  transition: border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.section--dark .timeline__dot,
.section--teal .timeline__dot,
.section--indigo .timeline__dot,
.section--wine .timeline__dot { background-color: var(--ink); }

.timeline__item.is-current .timeline__dot {
  border-color: var(--cyan);
  background-color: var(--cyan);
  box-shadow: 0 0 0 5px rgba(59, 224, 198, 0.18);
}

.timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 4px;
}

.timeline__title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 4px;
}

.timeline__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

/* ---------- 标签页 / 分段控件 ---------- */
.tabs { width: 100%; }

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  border-bottom: 1px solid var(--rule);
}

.tabs__btn {
  position: relative;
  padding: 11px 16px;
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.tabs__btn:hover { color: inherit; }

.tabs__btn[aria-selected="true"] {
  color: inherit;
  font-weight: 700;
  border-bottom-color: var(--orange);
}

.section--dark .tabs__btn[aria-selected="true"],
.section--teal .tabs__btn[aria-selected="true"],
.section--indigo .tabs__btn[aria-selected="true"],
.section--wine .tabs__btn[aria-selected="true"] {
  border-bottom-color: var(--cyan);
}

.tabs__panel { padding-top: 24px; }
.tabs__panel[hidden] { display: none; }

/* ---------- 图片容器 ---------- */
.figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.image-frame {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background-color: var(--teal);
  background-image: linear-gradient(140deg, var(--teal) 0%, var(--ink) 58%, #081D19 100%);
  isolation: isolate;
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(59, 224, 198, 0.07) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(0deg, rgba(216, 240, 106, 0.05) 0 1px, transparent 1px 68px),
    radial-gradient(120% 90% at 78% 10%, rgba(242, 135, 60, 0.3), transparent 62%),
    radial-gradient(90% 70% at 12% 96%, rgba(59, 224, 198, 0.18), transparent 66%);
}

.image-frame > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.figure__caption {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 入场动效 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.32s ease, transform 0.32s cubic-bezier(0.2, 0.6, 0.3, 1);
}

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

/* ============================================================
   头部 · 紧凑命令栏
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--charcoal);
  color: var(--card);
  border-bottom: 1px solid rgba(59, 224, 198, 0.16);
}

.site-header__bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 34px);
  width: 100%;
  max-width: var(--shell-wide);
  min-height: var(--header-h);
  margin-inline: auto;
  padding-inline: clamp(16px, 3vw, 40px);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

.brand-mark {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.1;
}

.brand-mark__cn {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--card);
}

.brand-mark__en {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--cyan);
  opacity: 0.9;
}

.season-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  padding: 5px 10px;
  border: 1px solid rgba(216, 240, 106, 0.4);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--lime);
  white-space: nowrap;
}

.season-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(216, 240, 106, 0.18);
  animation: pulse-dot 2.6s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.site-nav {
  display: none;
  flex: 1 1 auto;
  min-width: 0;
}

.site-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(2px, 0.8vw, 14px);
}

.site-nav__item { flex: 0 0 auto; }

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 8px;
  border-bottom: 2px solid transparent;
  font-size: 14px;
  font-weight: 500;
  color: rgba(246, 243, 236, 0.72);
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-nav__link:hover {
  color: var(--card);
  border-bottom-color: rgba(246, 243, 236, 0.35);
}

.site-nav__num {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--lime);
  opacity: 0.62;
}

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

.site-nav__link[aria-current="page"] .site-nav__num {
  color: var(--cyan);
  opacity: 1;
}

.site-header__tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  margin-left: auto;
}

.index-search {
  position: relative;
  display: flex;
  align-items: center;
}

.index-search[hidden] { display: none; }

.index-search__input {
  width: 190px;
  padding: 9px 12px;
  border: 1px solid rgba(246, 243, 236, 0.22);
  border-radius: 6px;
  background-color: rgba(246, 243, 236, 0.06);
  color: var(--card);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  transition: border-color 0.2s ease, background-color 0.2s ease, width 0.2s ease;
}

.index-search__input::placeholder { color: rgba(246, 243, 236, 0.42); }

.index-search__input:hover { border-color: rgba(246, 243, 236, 0.4); }

.index-search__input:focus {
  border-color: var(--cyan);
  background-color: rgba(59, 224, 198, 0.08);
  outline: none;
}

.index-search__input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.index-search__hint {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  white-space: nowrap;
}

.index-search__hint:empty { display: none; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  padding: 9px 12px;
  border: 1px solid rgba(246, 243, 236, 0.25);
  border-radius: 6px;
  color: var(--card);
  font-size: 13px;
  font-weight: 600;
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background-color: var(--cyan);
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  z-index: 2;
  width: 0;
  height: 2px;
  background-image: linear-gradient(90deg, var(--cyan), var(--lime) 55%, var(--orange));
  transition: width 0.14s linear;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  position: relative;
  background-color: var(--ink);
  color: rgba(246, 243, 236, 0.8);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  display: block;
  height: 3px;
  background-image: linear-gradient(
    90deg,
    var(--cyan) 0%, var(--cyan) 34%,
    var(--orange) 34%, var(--orange) 58%,
    var(--lime) 58%, var(--lime) 66%,
    transparent 66%
  );
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 34fr) minmax(0, 66fr);
  gap: clamp(32px, 5vw, 72px);
  max-width: var(--shell-wide);
  margin-inline: auto;
  padding: clamp(48px, 6vw, 84px) clamp(18px, 4vw, 56px) clamp(30px, 4vw, 52px);
}

.site-footer__lead { min-width: 0; }

.site-footer__brand {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.01em;
  color: var(--card);
  margin: 0 0 16px;
}

.site-footer__tag {
  max-width: 34ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 243, 236, 0.66);
  margin: 0 0 20px;
}

.site-footer__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  min-width: 0;
}

.site-footer__title {
  margin: 0 0 16px;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(216, 240, 106, 0.22);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.site-footer__links a {
  display: inline-block;
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(246, 243, 236, 0.74);
  transition: color 0.18s ease, transform 0.18s ease;
}

.site-footer__links a:hover {
  color: var(--cyan);
  transform: translateX(3px);
}

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 28px;
  max-width: var(--shell-wide);
  margin-inline: auto;
  padding: 20px clamp(18px, 4vw, 56px) 34px;
  border-top: 1px solid rgba(246, 243, 236, 0.12);
}

.site-footer__contact,
.site-footer__legal {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: rgba(246, 243, 236, 0.52);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1240px) {
  .season-badge { display: none; }
  .site-nav__link { padding: 10px 6px; font-size: 13.5px; }
}

@media (max-width: 1080px) {
  .brand-mark__en { display: none; }
  .index-search__input { width: 140px; }
  .index-search__input:focus { width: 170px; }
  .site-header__tools .btn { padding: 10px 14px; font-size: 13px; }
}

@media (max-width: 899px) {
  .index-search { display: none; }

  .site-nav[data-open] {
    display: block;
    position: absolute;
    inset: 100% 0 auto 0;
    background-color: var(--charcoal);
    border-top: 1px solid rgba(59, 224, 198, 0.2);
    border-bottom: 1px solid rgba(59, 224, 198, 0.2);
    padding: 6px clamp(16px, 3vw, 40px) 16px;
    max-height: min(72vh, 520px);
    overflow-y: auto;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
  }

  .site-nav[data-open] .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
  }

  .site-nav[data-open] .site-nav__item { flex: 1 1 auto; }

  .site-nav[data-open] .site-nav__link {
    width: 100%;
    padding: 14px 4px;
    border-bottom: 1px solid rgba(246, 243, 236, 0.1);
    border-radius: 0;
    font-size: 15px;
  }

  .site-nav[data-open] .site-nav__link[aria-current="page"] {
    border-bottom-color: rgba(246, 243, 236, 0.1);
    color: var(--cyan);
  }

  .site-nav[data-open] .site-nav__num {
    font-size: 11px;
    margin-right: 8px;
    opacity: 0.85;
  }

  .site-footer__inner { grid-template-columns: minmax(0, 1fr); }
  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .site-nav { display: block; }
  .nav-toggle { display: none; }
}

@media (max-width: 860px) {
  body { font-size: 16.5px; }

  .grid--2,
  .grid--3,
  .grid--asym,
  .grid--asym-rev { grid-template-columns: minmax(0, 1fr); }

  .prose, .lede { max-width: 100%; }
}

@media (max-width: 560px) {
  :root { --header-h: 60px; }

  .brand-mark__cn { font-size: 17px; }
  .site-header__tools .btn { padding: 9px 12px; font-size: 12.5px; }
  .site-footer__grid { grid-template-columns: minmax(0, 1fr); }
  .site-footer__base { flex-direction: column; align-items: flex-start; }
  .figure__caption { font-size: 11px; }
}

/* ============================================================
   减弱动效
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

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

  .timeline__dot,
  .site-footer__links a:hover { transform: none; }

  .scroll-progress { transition: none; }
}