/* ==========================================================================
   多宝体育 · 全站共享样式表  /assets/site.css
   设计语言：珠宝色分区 · 等宽索引 · 锐利直角 · 精密网格 · 印刷静态质感
   ========================================================================== */

:root {
  /* —— 宝石色板 —— */
  --blue-deep: #0E2350;
  --blue-mid: #1B3C7A;
  --jade: #0E7A5F;
  --jade-deep: #0A5A46;
  --jade-light: #D8EDE4;
  --amber: #D99A22;
  --amber-ink: #8A5F0C;
  --coral: #E2603F;
  --coral-ink: #A83C1F;
  --indigo: #3B2A6B;
  --wine: #8E2A46;
  --ivory: #F5F1E6;
  --mist: #E6EDF6;
  --paper: #FBF8F0;
  --graphite: #22262E;

  /* —— 线与边界 —— */
  --rule: rgba(34, 38, 46, 0.14);
  --rule-strong: rgba(34, 38, 46, 0.28);
  --rule-invert: rgba(245, 241, 230, 0.16);

  /* —— 字体 —— */
  --font-body: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;

  /* —— 度量 —— */
  --wrap: 1240px;
  --gutter: 20px;
  --radius: 2px;
  --dur: 180ms;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   Reset 与基础排版
   -------------------------------------------------------------------------- */

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

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

body {
  margin: 0;
  background-color: var(--ivory);
  color: var(--graphite);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: inherit;
}
h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); line-height: 1.08; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.05rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.35rem); line-height: 1.3; }
h4 { font-size: 1.02rem; line-height: 1.4; }

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

ul, ol { margin: 0 0 1.2em; padding-left: 1.3em; }
li { margin: 0.25em 0; }

a { color: var(--jade); text-decoration: none; }

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

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

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

::selection { background: var(--amber); color: var(--blue-deep); }

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

.site-header :focus-visible,
.site-footer :focus-visible { outline-color: #F7E2B0; }

.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;
}

/* --------------------------------------------------------------------------
   容器 / 主内容
   -------------------------------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.main-content { display: block; min-height: 40vh; }

/* --------------------------------------------------------------------------
   排版原子：等宽索引 / 数字锚点
   -------------------------------------------------------------------------- */

.mono,
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.num { font-weight: 500; letter-spacing: -0.01em; }
.num--lg { font-size: 1.35em; }
.num--price { color: var(--amber-ink); }

.index-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber-ink);
}

.idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(34, 38, 46, 0.45);
}

/* --------------------------------------------------------------------------
   按钮
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.btn--amber { background: var(--amber); color: #12192B; font-weight: 700; }
.btn--amber:hover { background: #E8AB2E; }

.btn--coral { background: var(--coral); color: #FFF6F1; font-weight: 700; }
.btn--coral:hover { background: #EF7350; }

.btn--jade { background: var(--jade); color: #F2FBF7; font-weight: 700; }
.btn--jade:hover { background: #128E6E; }

.btn--ghost {
  background: transparent;
  color: var(--ivory);
  border-color: rgba(245, 241, 230, 0.42);
}
.btn--ghost:hover {
  background: rgba(245, 241, 230, 0.12);
  border-color: rgba(245, 241, 230, 0.72);
}

.btn--outline {
  background: transparent;
  color: var(--graphite);
  border-color: var(--rule-strong);
}
.btn--outline:hover { border-color: var(--coral); color: var(--coral-ink); }

.btn--block { display: flex; width: 100%; }

/* --------------------------------------------------------------------------
   档案标签
   -------------------------------------------------------------------------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 26px;
  padding: 2px 10px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  white-space: nowrap;
}

.tag--jade { color: var(--jade-deep); background: var(--jade-light); border-color: rgba(14, 122, 95, 0.32); }
.tag--amber { color: var(--amber-ink); background: rgba(217, 154, 34, 0.16); border-color: rgba(217, 154, 34, 0.46); }
.tag--coral { color: var(--coral-ink); background: rgba(226, 96, 63, 0.13); border-color: rgba(226, 96, 63, 0.42); }
.tag--indigo { color: #F2EEFF; background: var(--indigo); border-color: var(--indigo); }
.tag--wine { color: var(--wine); background: rgba(142, 42, 70, 0.1); border-color: rgba(142, 42, 70, 0.36); }
.tag--invert { color: rgba(245, 241, 230, 0.9); background: rgba(245, 241, 230, 0.1); border-color: rgba(245, 241, 230, 0.34); }

/* --------------------------------------------------------------------------
   面包屑
   -------------------------------------------------------------------------- */

.breadcrumb { padding-top: 22px; }

.breadcrumb__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(34, 38, 46, 0.55);
}

.breadcrumb__list li {
  display: flex;
  align-items: center;
  margin: 0;
  min-height: 32px;
}

.breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(34, 38, 46, 0.3);
}

.breadcrumb__list a {
  color: var(--jade-deep);
  text-decoration: underline;
  text-decoration-color: rgba(14, 122, 95, 0.3);
  text-underline-offset: 4px;
  transition: text-decoration-color var(--dur) var(--ease);
}

.breadcrumb__list a:hover { text-decoration-color: var(--jade-deep); }
.breadcrumb__list [aria-current="page"] { color: rgba(34, 38, 46, 0.62); }

/* --------------------------------------------------------------------------
   正文块
   -------------------------------------------------------------------------- */

.prose { max-width: 38em; }
.prose p { margin: 0 0 1.2em; }
.prose h2 { margin-top: 2em; }
.prose h3 { margin-top: 1.6em; }
.prose ul,
.prose ol { padding-left: 1.2em; }

.prose a {
  color: var(--jade-deep);
  text-decoration: underline;
  text-decoration-color: rgba(14, 122, 95, 0.35);
  text-underline-offset: 4px;
  transition: text-decoration-color var(--dur) var(--ease);
}
.prose a:hover { text-decoration-color: var(--jade-deep); }

.prose--invert { color: rgba(245, 241, 230, 0.86); }
.prose--invert a { color: #F2C46A; text-decoration-color: rgba(242, 196, 106, 0.4); }

/* --------------------------------------------------------------------------
   分区与背景
   -------------------------------------------------------------------------- */

.block { padding-block: 72px; }
.block--tight { padding-block: 44px; }

.block--jade { background-image: linear-gradient(180deg, #E1F1E9 0%, var(--jade-light) 100%); }
.block--mist { background-image: linear-gradient(180deg, var(--mist) 0%, var(--ivory) 100%); }
.block--wine { background-color: rgba(142, 42, 70, 0.07); }

.block--indigo {
  background-color: var(--indigo);
  color: rgba(245, 241, 230, 0.9);
}
.block--indigo h2,
.block--indigo h3,
.block--indigo h1 { color: var(--ivory); }

.grid-lines { position: relative; }
.grid-lines::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(90deg, rgba(34, 38, 46, 0.05) 1px, transparent 1px);
  background-size: 12.5% 100%;
}
.grid-lines > * { position: relative; z-index: 1; }

/* --------------------------------------------------------------------------
   章节标题
   -------------------------------------------------------------------------- */

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  padding-bottom: 14px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--rule-strong);
}

.section-head__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber-ink);
}

.section-head__title { margin: 0; }

.section-head__note {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(34, 38, 46, 0.5);
}

.block--indigo .section-head { border-bottom-color: rgba(245, 241, 230, 0.25); }
.block--indigo .section-head__index { color: #F0B94B; }
.block--indigo .section-head__note { color: rgba(245, 241, 230, 0.6); }

/* --------------------------------------------------------------------------
   栅格与不对称分栏
   -------------------------------------------------------------------------- */

.grid { display: grid; gap: 24px; }
.grid--8 { grid-template-columns: repeat(8, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.split { display: grid; gap: 36px; align-items: start; }

@media (min-width: 901px) {
  .split--7-5 { grid-template-columns: 7fr 5fr; }
  .split--5-7 { grid-template-columns: 5fr 7fr; }
  .split--8-4 { grid-template-columns: 8fr 4fr; }
  .split--9-3 { grid-template-columns: 9fr 3fr; }
}

/* --------------------------------------------------------------------------
   横滑卡片带
   -------------------------------------------------------------------------- */

.rail {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 6px 4px 20px;
  margin-inline: -4px;
}

.rail > * {
  flex: 0 0 min(320px, 80vw);
  scroll-snap-align: start;
}

.rail::-webkit-scrollbar { height: 4px; }
.rail::-webkit-scrollbar-track { background: rgba(34, 38, 46, 0.08); }
.rail::-webkit-scrollbar-thumb { background: rgba(14, 122, 95, 0.45); }

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-top: 2px solid var(--blue-mid);
  border-radius: var(--radius);
}

.card--jade { border-top-color: var(--jade); }
.card--amber { border-top-color: var(--amber); }
.card--coral { border-top-color: var(--coral); }
.card--indigo { border-top-color: var(--indigo); }

.card__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(34, 38, 46, 0.5);
}

.card__title { margin: 0; font-size: 1.12rem; line-height: 1.35; }
.card__text { margin: 0; font-size: 15px; line-height: 1.7; color: rgba(34, 38, 46, 0.78); }

/* --------------------------------------------------------------------------
   数据表
   -------------------------------------------------------------------------- */

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
}

.data-table caption {
  padding-bottom: 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(34, 38, 46, 0.55);
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: middle;
}

.data-table thead th {
  background: var(--blue-mid);
  color: var(--ivory);
  font-weight: 500;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--blue-mid);
}

.data-table tbody tr:nth-child(even) { background: rgba(27, 60, 122, 0.045); }
.data-table tbody tr:hover { background: rgba(14, 122, 95, 0.08); }
.data-table .num { text-align: right; }

/* --------------------------------------------------------------------------
   手风琴（details）
   -------------------------------------------------------------------------- */

.accordion { border-top: 1px solid var(--rule); }
.accordion__item { border-bottom: 1px solid var(--rule); }

.accordion__item > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 14px 4px;
  cursor: pointer;
  list-style: none;
  font-weight: 500;
  color: var(--graphite);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.accordion__item > summary::-webkit-details-marker { display: none; }

.accordion__item > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--amber-ink);
  transition: transform var(--dur) var(--ease);
}

.accordion__item[open] > summary::after { transform: rotate(45deg); }
.accordion__item > summary:hover { color: var(--jade-deep); }

.accordion__body {
  padding: 2px 4px 20px;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(34, 38, 46, 0.8);
  animation: accordion-in 220ms var(--ease);
}

@keyframes accordion-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   图片容器基础规则
   -------------------------------------------------------------------------- */

.figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background-image: linear-gradient(160deg, var(--mist) 0%, #EDE6D7 100%);
}

.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.media-stack { display: grid; gap: 14px; }

.figure__caption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(34, 38, 46, 0.58);
}

/* --------------------------------------------------------------------------
   站点页头：居中刊头 + 等宽索引条
   -------------------------------------------------------------------------- */

.site-header {
  position: relative;
  z-index: 40;
  color: var(--ivory);
  background-color: var(--blue-deep);
  background-image:
    linear-gradient(180deg, #12305F 0%, #0E2350 62%, #0B1C42 100%),
    repeating-linear-gradient(90deg, rgba(245, 241, 230, 0.035) 0 1px, transparent 1px 96px);
  border-bottom: 1px solid rgba(245, 241, 230, 0.14);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--jade) 0%, var(--jade) 22%,
    var(--amber) 22%, var(--amber) 44%,
    var(--coral) 44%, var(--coral) 62%,
    var(--indigo) 62%, var(--indigo) 100%
  );
  pointer-events: none;
}

.skip-link {
  position: fixed;
  top: -72px;
  left: 12px;
  z-index: 120;
  padding: 10px 18px;
  background: var(--amber);
  color: var(--blue-deep);
  font-weight: 700;
  font-size: 15px;
  border-radius: 0 0 var(--radius) var(--radius);
  transition: top 160ms var(--ease);
}
.skip-link:focus { top: 0; }

.masthead {
  position: relative;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 34px 20px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.masthead__brand {
  display: inline-block;
  color: var(--ivory);
  font-size: clamp(2.35rem, 7.2vw, 4.05rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-stretch: condensed;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.masthead__brand:hover { color: #FFF6DF; }

.masthead__subline {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.masthead__domain {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(245, 241, 230, 0.55);
}

.masthead__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}

.site-nav {
  border-top: 1px solid rgba(245, 241, 230, 0.14);
  background: rgba(9, 22, 48, 0.5);
}

.site-nav__list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: var(--wrap);
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
}

.site-nav__item {
  display: flex;
  margin: 0;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 54px;
  padding: 0 20px;
  color: rgba(245, 241, 230, 0.72);
  font-size: 15.5px;
  font-weight: 400;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.nav-link__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber);
  opacity: 0.7;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.nav-link__label { line-height: 1.2; }

.nav-link::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 0;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}

.nav-link:hover {
  color: var(--ivory);
  background-color: rgba(245, 241, 230, 0.06);
}
.nav-link:hover .nav-link__index { opacity: 1; }

.nav-link:hover::after,
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

.nav-link[aria-current="page"] { color: var(--ivory); font-weight: 500; }
.nav-link[aria-current="page"] .nav-link__index { opacity: 1; color: #F0B94B; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 9px 16px;
  background: transparent;
  border: 1px solid rgba(245, 241, 230, 0.4);
  border-radius: var(--radius);
  color: var(--ivory);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav-toggle:hover {
  background-color: rgba(245, 241, 230, 0.12);
  border-color: rgba(245, 241, 230, 0.72);
}

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

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 14px;
}
.nav-toggle__bars span { display: block; height: 1px; background: currentColor; }

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 90;
  background: rgba(14, 35, 80, 0.32);
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--jade) 0%, var(--amber) 48%, var(--coral) 100%);
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  transition: transform 100ms linear;
}

/* --------------------------------------------------------------------------
   站点页脚：等宽索引收束带
   -------------------------------------------------------------------------- */

.site-footer {
  position: relative;
  margin-top: 96px;
  background-color: var(--blue-deep);
  background-image: linear-gradient(180deg, #0B1C42 0%, #0E2350 42%, #102952 100%);
  color: rgba(245, 241, 230, 0.78);
}

.site-footer::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--jade) 0%,
    var(--amber) 34%,
    var(--coral) 64%,
    var(--indigo) 100%
  );
}

.footer-inner {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 46px 20px 26px;
}

.footer-brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule-invert);
}

.footer-brand__mark {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ivory);
  transition: color var(--dur) var(--ease);
}
.footer-brand__mark:hover { color: #FFE9B8; }

.footer-brand__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(245, 241, 230, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 34px 30px;
  padding: 32px 0 28px;
}

.footer-col { min-width: 0; }

.footer-col__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.footer-col__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col__list li { margin: 0; }

.footer-col__list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: rgba(245, 241, 230, 0.8);
  font-size: 14.5px;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 5px;
  transition: color var(--dur) var(--ease), text-decoration-color var(--dur) var(--ease);
}

.footer-col__list a:hover {
  color: var(--ivory);
  text-decoration-color: var(--amber);
}

.footer-col__text {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(245, 241, 230, 0.72);
}
.footer-col__text:last-child { margin-bottom: 0; }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 26px;
  padding-top: 22px;
  border-top: 1px solid var(--rule-invert);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(245, 241, 230, 0.55);
}

.footer-legal__item { margin: 0; }

/* --------------------------------------------------------------------------
   响应式：平板
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .masthead { padding: 26px 16px 20px; }
  .masthead__actions { margin-top: 18px; }

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

  .site-nav {
    display: none;
    border-top: 1px solid rgba(245, 241, 230, 0.14);
  }
  .site-nav[data-open="true"] { display: block; }

  .site-nav__list {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 12px 2px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  .site-nav__list::-webkit-scrollbar { height: 3px; }
  .site-nav__list::-webkit-scrollbar-thumb { background: rgba(245, 241, 230, 0.3); }

  .site-nav__item { scroll-snap-align: start; }
  .nav-link { min-height: 50px; padding: 0 16px; font-size: 15px; }
  .nav-link::after { left: 16px; right: 16px; }

  .split { grid-template-columns: 1fr; gap: 28px; }
  .grid--4,
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--8 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

  .block { padding-block: 54px; }
  .block--tight { padding-block: 36px; }

  .site-footer { margin-top: 72px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 24px; }
}

/* --------------------------------------------------------------------------
   响应式：手机
   -------------------------------------------------------------------------- */

@media (max-width: 560px) {
  body { font-size: 16px; }

  .grid--4,
  .grid--3,
  .grid--2 { grid-template-columns: 1fr; }
  .grid--8 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .masthead__actions { width: 100%; }
  .masthead__actions .btn { flex: 1 1 auto; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; align-items: flex-start; }

  .block { padding-block: 44px; }
  .section-head__note { margin-left: 0; }
}

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

  .rail { scroll-snap-type: none; }
  .scroll-progress span { transition: none; }
}