/* ===========================================================
   江南体育 · 共享样式表 /assets/site.css
   赛季手账体系：暖纸底 / 墨绿结构 / 印刷色点缀 / 非对称编辑部
   =========================================================== */

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

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

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

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

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

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

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

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

/* 2. 设计变量 ---------------------------------------------- */
:root {
  --ink-900: #0E2721;
  --ink-700: #14312A;
  --paper-100: #F6F1E7;
  --paper-200: #EAE2D3;
  --orange: #D2762F;
  --orange-deep: #B9631F;
  --erhai: #3B7C93;
  --erhai-deep: #275A6C;
  --text: #1A1A17;
  --moss: #7C8B80;
  --annotate: #A83C33;
  --mist: #CFDDD5;

  --line: rgba(20, 49, 42, 0.16);
  --line-soft: rgba(20, 49, 42, 0.09);
  --paper-wash: rgba(246, 241, 231, 0.88);
  --ink-line: rgba(246, 241, 231, 0.12);

  --rail-w: 88px;
  --shell: 1180px;
  --col-narrow: 220px;
  --col-float: 300px;

  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-num: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --step--2: 12.5px;
  --step--1: 14px;
  --step-0: 17px;
  --step-1: clamp(21px, 1.6vw, 25px);
  --step-2: clamp(28px, 2.6vw, 38px);
  --step-3: clamp(36px, 4.8vw, 62px);
  --step-4: clamp(46px, 7vw, 92px);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 200ms;
}

/* 3. 基础排版 ---------------------------------------------- */
body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--text);
  background-color: var(--paper-100);
  background-image:
    linear-gradient(180deg, rgba(207, 221, 213, 0.42) 0, rgba(246, 241, 231, 0) 460px),
    radial-gradient(110% 55% at 100% 0%, rgba(210, 118, 47, 0.07), rgba(246, 241, 231, 0) 62%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink-700);
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-2); }
h3 { font-size: var(--step-1); }

strong, b { font-weight: 800; color: var(--ink-700); }

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

html[data-nav-locked] { overflow: hidden; }

/* 4. 工具类 ------------------------------------------------ */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 40px);
}

.shell--wide { max-width: 1340px; }

.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: fixed;
  top: 10px;
  left: 10px;
  z-index: 140;
  padding: 12px 22px;
  background: var(--ink-900);
  color: var(--paper-100);
  font-weight: 700;
  border-radius: 2px;
  transform: translateY(-220%);
  transition: transform var(--dur) var(--ease);
}

.skip-link:focus { transform: translateY(0); }

.stack-2 { display: flex; flex-direction: column; gap: 16px; }
.stack-3 { display: flex; flex-direction: column; gap: 24px; }

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 32px);
}

.edge {
  height: 2px;
  background: linear-gradient(90deg,
    var(--ink-700) 0 18%,
    var(--orange) 18% 26%,
    var(--mist) 26% 100%);
}

/* 5. 页头：极简署名栏 + 滚动进度 --------------------------- */
.site-header { position: relative; z-index: 40; }

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 90;
  pointer-events: none;
}

.scroll-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--orange), var(--erhai));
  transition: width 120ms linear;
}

.brand-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 40px);
  background: var(--paper-wash);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }

.brand__mark {
  display: grid;
  place-items: center;
  flex: none;
  width: 40px;
  height: 40px;
  background: var(--ink-900);
  color: var(--paper-100);
  font-size: 19px;
  font-weight: 800;
  border-radius: 14px 4px 14px 4px;
  transition: background-color var(--dur) var(--ease);
}

.brand:hover .brand__mark { background: var(--ink-700); }

.brand__text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }

.brand__name {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink-700);
}

.brand__tag {
  font-size: var(--step--2);
  letter-spacing: 0.06em;
  color: var(--moss);
}

.brand-bar__actions { display: flex; align-items: center; gap: 10px; }

/* 6. 按钮 -------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  border-radius: 2px;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

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

.btn--ink { background: var(--ink-900); color: var(--paper-100); border-color: var(--ink-900); }
.btn--ink:hover { background: var(--ink-700); border-color: var(--ink-700); }

.btn--ghost {
  background: rgba(255, 255, 255, 0.35);
  color: var(--ink-700);
  border-color: var(--line);
}
.btn--ghost:hover { background: var(--ink-900); color: var(--paper-100); border-color: var(--ink-900); }

.btn--sm { padding: 9px 15px; font-size: var(--step--1); }

.btn:hover { transform: translateX(2px); }

.icon-btn {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: none;
  color: var(--ink-700);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.icon-btn:hover { background: var(--ink-700); color: var(--paper-100); border-color: var(--ink-700); }

.icon-btn__icon {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
}

.nav-toggle {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: none;
  color: var(--ink-700);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.nav-toggle:hover,
.nav-toggle[aria-expanded="true"] {
  background: var(--ink-700);
  color: var(--paper-100);
  border-color: var(--ink-700);
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

/* 7. 快速索引面板 ------------------------------------------ */
.quick-index {
  padding: clamp(20px, 3vw, 32px) 0 clamp(24px, 3vw, 36px);
  background: var(--paper-200);
  border-bottom: 1px solid var(--line);
}

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

.quick-index__title {
  font-family: var(--font-num);
  font-size: var(--step--2);
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--moss);
}

.quick-index__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.quick-index__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--paper-100);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--mist);
  border-radius: 2px;
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.quick-index__link:hover {
  background: #fff;
  border-left-color: var(--orange);
  transform: translateX(2px);
}

.quick-index__name { font-size: 16px; font-weight: 800; color: var(--ink-700); }

.quick-index__hint { font-size: var(--step--2); line-height: 1.5; color: var(--moss); }

/* 8. 遮罩与侧边轨道导航 ------------------------------------ */
.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: rgba(14, 39, 33, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}

.nav-scrim[data-open] { opacity: 1; visibility: visible; }

.rail { background: var(--ink-900); color: var(--paper-100); }

.rail__list { display: flex; }

.rail__item { list-style: none; }

.rail__link { transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease); }

.rail__index { font-family: var(--font-num); letter-spacing: 0.06em; }

/* 桌面：左侧固定竖排轨道 */
@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }

  .nav-scrim { display: none; }

  .nav-toggle { display: none; }

  .rail {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 60;
    width: var(--rail-w);
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 84px 0 24px;
    overflow-y: auto;
    border-right: 1px solid rgba(246, 241, 231, 0.08);
  }

  .rail__cap {
    margin-bottom: 26px;
    writing-mode: vertical-rl;
    font-family: var(--font-num);
    font-size: 11px;
    letter-spacing: 0.34em;
    color: rgba(246, 241, 231, 0.4);
  }

  .rail__list { flex-direction: column; width: 100%; }

  .rail__item { border-bottom: 1px solid rgba(246, 241, 231, 0.09); }

  .rail__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 18px 4px;
    color: rgba(246, 241, 231, 0.78);
  }

  .rail__link:hover {
    background: rgba(246, 241, 231, 0.07);
    color: #fff;
  }

  .rail__link[aria-current="page"] {
    background: var(--ink-700);
    color: #fff;
    box-shadow: inset 3px 0 0 var(--orange);
  }

  .rail__link[aria-current="page"] .rail__index { color: var(--orange); }

  .rail__label {
    writing-mode: vertical-rl;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.2em;
    line-height: 1;
  }

  .rail__index { font-size: 11px; color: rgba(246, 241, 231, 0.42); }
}

/* 移动与平板：左侧抽屉 */
@media (max-width: 1023px) {
  .rail {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 60;
    width: min(320px, 86vw);
    display: flex;
    flex-direction: column;
    padding: 84px 20px 32px;
    overflow-y: auto;
    transform: translateX(-102%);
    transition: transform 240ms var(--ease);
    box-shadow: 24px 0 48px -32px rgba(14, 39, 33, 0.6);
  }

  .rail[data-open] { transform: translateX(0); }

  .rail__cap { display: none; }

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

  .rail__link {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 14px;
    font-size: 19px;
    font-weight: 700;
    color: rgba(246, 241, 231, 0.82);
    border-radius: 2px;
  }

  .rail__link:hover { background: rgba(246, 241, 231, 0.08); color: #fff; }

  .rail__link[aria-current="page"] {
    background: var(--ink-700);
    color: #fff;
    box-shadow: inset 3px 0 0 var(--orange);
  }

  .rail__link[aria-current="page"] .rail__index { color: var(--orange); }

  .rail__index { font-size: var(--step--2); color: rgba(246, 241, 231, 0.45); }
}

/* 9. 页脚 -------------------------------------------------- */
.site-footer {
  margin-top: clamp(64px, 8vw, 112px);
  background: var(--ink-900);
  color: rgba(246, 241, 231, 0.78);
  border-top: 3px solid var(--orange);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1.2fr 0.9fr;
  gap: clamp(32px, 4vw, 64px);
  padding-block: clamp(48px, 6vw, 80px) clamp(32px, 4vw, 48px);
}

.footer__col { min-width: 0; }

.footer__brand {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.footer__motto {
  margin-top: 6px;
  font-size: var(--step--2);
  letter-spacing: 0.14em;
  color: rgba(246, 241, 231, 0.5);
}

.footer__title {
  margin: 26px 0 14px;
  font-family: var(--font-num);
  font-size: var(--step--2);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--orange);
}

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

.footer__link {
  position: relative;
  display: inline-block;
  font-size: 15px;
  color: rgba(246, 241, 231, 0.82);
  transition: color var(--dur) var(--ease);
}

.footer__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms var(--ease);
}

.footer__link:hover { color: #fff; }
.footer__link:hover::after { transform: scaleX(1); }

.footer__contact { display: flex; flex-direction: column; gap: 14px; }

.footer__contact-item { display: flex; flex-direction: column; gap: 3px; }

.footer__key {
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: rgba(246, 241, 231, 0.45);
}

.footer__value {
  max-width: 34ch;
  font-size: 15px;
  color: rgba(246, 241, 231, 0.9);
  word-break: break-word;
}

.footer__icp {
  margin-top: 22px;
  padding-left: 10px;
  border-left: 3px solid var(--orange);
  font-family: var(--font-num);
  font-size: var(--step--2);
  letter-spacing: 0.06em;
  color: rgba(246, 241, 231, 0.55);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 28px;
  padding-top: 22px;
  padding-bottom: 36px;
  border-top: 1px solid var(--ink-line);
}

.footer__note {
  max-width: 62ch;
  font-size: 13.5px;
  color: rgba(246, 241, 231, 0.6);
}

.footer__copy {
  font-family: var(--font-num);
  font-size: var(--step--2);
  letter-spacing: 0.06em;
  color: rgba(246, 241, 231, 0.45);
}

/* 10. 页面通用结构 ----------------------------------------- */
.page-head { padding-top: clamp(28px, 4vw, 52px); }

.page-head__title { font-size: var(--step-3); }

.page-head__lede { margin-top: 14px; }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 28px;
  font-size: 13px;
  color: var(--moss);
}

.crumbs__link {
  font-weight: 600;
  color: var(--ink-700);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.crumbs__link:hover { color: var(--orange); border-bottom-color: var(--orange); }

.crumbs__sep { color: var(--mist); }

.crumbs__current { font-weight: 700; color: var(--text); }

.section { padding-block: clamp(40px, 6vw, 72px); }
.section--tight { padding-block: clamp(24px, 3vw, 40px); }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink-700);
}

.section__title { font-size: var(--step-2); }

.section__note { font-size: var(--step--1); color: var(--moss); }

.eyebrow {
  font-family: var(--font-num);
  font-size: var(--step--2);
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--orange);
}

.lede {
  max-width: 62ch;
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 1.8;
  color: #3C423C;
}

.hand {
  display: inline-block;
  font-size: var(--step--1);
  letter-spacing: 0.02em;
  color: var(--annotate);
  transform: rotate(-1.6deg);
}

.grid-edit {
  display: grid;
  grid-template-columns: var(--col-narrow) minmax(0, 1fr) var(--col-float);
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}

@media (max-width: 1100px) {
  .grid-edit { grid-template-columns: minmax(0, 1fr) var(--col-float); }
}

@media (max-width: 860px) {
  .grid-edit { grid-template-columns: minmax(0, 1fr); }
}

/* 11. 卡片 / 标签 / 比分 ------------------------------------ */
.card {
  padding: clamp(18px, 2vw, 26px);
  background: var(--paper-100);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  transition:
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.card:hover {
  border-color: rgba(20, 49, 42, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 18px 32px -28px rgba(14, 39, 33, 0.6);
}

.card--paper { background: var(--paper-200); }

.card--ink {
  background: var(--ink-900);
  color: rgba(246, 241, 231, 0.85);
  border-color: transparent;
}

.card--ink h2,
.card--ink h3 { color: var(--paper-100); }

.card__meta {
  font-family: var(--font-num);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  color: var(--moss);
}

.card__title { margin-top: 10px; font-size: var(--step-1); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.02em;
  border-radius: 2px;
}

.tag--orange { background: rgba(210, 118, 47, 0.14); color: #8F4A12; }
.tag--blue { background: rgba(59, 124, 147, 0.14); color: var(--erhai-deep); }
.tag--ink { background: var(--ink-900); color: var(--paper-100); }
.tag--mist { background: var(--mist); color: var(--ink-700); }

.score {
  font-family: var(--font-num);
  font-size: 1.05em;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.score--win { color: var(--orange); }
.score--draw { color: var(--moss); }

/* 12. 年份刻度轴 / 数据条 ---------------------------------- */
.year-axis {
  display: flex;
  gap: 10px;
  padding: 12px 2px 18px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.year-axis__item {
  flex: none;
  padding: 6px 10px;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  color: var(--moss);
  border-bottom: 3px solid var(--mist);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.year-axis__item:hover { color: var(--ink-700); border-color: var(--moss); }

.year-axis__item[data-current] {
  color: var(--orange);
  border-color: var(--orange);
  font-weight: 700;
}

.data-bar {
  height: 10px;
  overflow: hidden;
  background: var(--mist);
  border-radius: 999px;
}

.data-bar__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--erhai), var(--ink-700));
  border-radius: 999px;
}

.data-bar__fill--warm { background: linear-gradient(90deg, var(--orange), var(--orange-deep)); }

/* 13. 图片容器（页面阶段放图使用） -------------------------- */
.img-frame {
  position: relative;
  overflow: hidden;
  background: var(--paper-200);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
}

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

.img-frame__ph {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(20, 49, 42, 0.12), rgba(246, 241, 231, 0) 55%),
    linear-gradient(215deg, rgba(210, 118, 47, 0.16), rgba(246, 241, 231, 0) 62%),
    var(--paper-200);
}

.img-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.45;
  background-image: repeating-linear-gradient(45deg,
    rgba(26, 26, 23, 0.05) 0 1px,
    transparent 1px 4px);
}

.img-frame--portrait { aspect-ratio: 3 / 4; }
.img-frame--tall { aspect-ratio: 2 / 3; }
.img-frame--square { aspect-ratio: 1 / 1; }
.img-frame--wide { aspect-ratio: 16 / 9; }

.img-frame--tilt { transform: rotate(-1.5deg); }
.img-frame--tilt-r { transform: rotate(1.2deg); }

.img-frame__cap {
  position: absolute;
  left: 12px;
  bottom: 10px;
  z-index: 2;
  padding: 3px 9px;
  font-size: var(--step--2);
  letter-spacing: 0.02em;
  color: var(--paper-100);
  background: rgba(14, 39, 33, 0.72);
  border-radius: 2px;
}

/* 14. 正文 / 数据 / 提示 ------------------------------------ */
.prose { max-width: 70ch; }

.prose p { margin-bottom: 1.1em; }

.prose h2 { margin: 1.8em 0 0.6em; }
.prose h3 { margin: 1.5em 0 0.5em; }

.prose ul { padding-left: 1.3em; margin-bottom: 1.1em; list-style: disc; }
.prose li { margin-bottom: 0.4em; }

.prose a {
  color: var(--erhai);
  border-bottom: 1px solid rgba(59, 124, 147, 0.4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.prose a:hover { color: var(--erhai-deep); border-bottom-color: var(--erhai-deep); }

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.stat { padding: 18px; background: var(--paper-100); }

.stat__num {
  font-family: var(--font-num);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink-700);
}

.stat__label { margin-top: 6px; font-size: 13px; color: var(--moss); }

.callout {
  padding: 16px 20px;
  background: rgba(210, 118, 47, 0.07);
  border-left: 3px solid var(--orange);
  border-radius: 0 3px 3px 0;
}

.callout--blue { background: rgba(59, 124, 147, 0.08); border-left-color: var(--erhai); }
.callout--annotate { background: rgba(168, 60, 51, 0.07); border-left-color: var(--annotate); }

.table {
  width: 100%;
  font-size: 15px;
  border: 1px solid var(--line-soft);
}

.table th {
  padding: 11px 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-align: left;
  color: var(--paper-100);
  background: var(--ink-700);
}

.table td {
  padding: 12px 14px;
  border-top: 1px solid var(--line-soft);
}

.table tbody tr:nth-child(even) td { background: var(--paper-200); }

.table .num { font-family: var(--font-num); letter-spacing: 0.02em; }

/* 15. 显现动画 --------------------------------------------- */
[data-js="on"] [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}

[data-js="on"] [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}

/* 16. 降级动效 --------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  html { scroll-behavior: auto !important; }

  [data-js="on"] [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* 17. 小屏细节 --------------------------------------------- */
@media (max-width: 980px) {
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .footer__grid { grid-template-columns: minmax(0, 1fr); }
  .two-col { grid-template-columns: minmax(0, 1fr); }
  .brand__tag { display: none; }
  .brand__name { font-size: 17px; }
  .brand__mark { width: 36px; height: 36px; font-size: 17px; }
  .brand-bar { min-height: 64px; }
}