/* ==========================================================================
   江南体育 · 共享样式 /assets/site.css
   赛季更新记录 · 深夜复盘室 × 江面灯影
   ========================================================================== */

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

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

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

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

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

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

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

a { color: inherit; }

/* ---------- 2. 设计变量 ---------- */
:root {
  --jn-ink: #0B1A2B;
  --jn-ink-2: #14304A;
  --jn-ink-3: #1B3A57;
  --jn-green: #1FA88A;
  --jn-green-soft: #6FD3BC;
  --jn-green-deep: #0F6B58;
  --jn-red: #D93A2B;
  --jn-gold: #C89B4A;
  --jn-paper: #F4F1EA;
  --jn-surface: #FCFAF6;
  --jn-mist: #E3E9ED;
  --jn-text: #4C5D6E;
  --jn-line: #D6DDE2;
  --jn-line-dark: rgba(111, 211, 188, 0.22);
  --jn-line-gold: rgba(200, 155, 74, 0.32);

  --jn-font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
  --jn-font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", system-ui, sans-serif;
  --jn-font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo,
    Consolas, "Courier New", monospace;
  --jn-font-serif: "Songti SC", "Noto Serif CJK SC", "SimSun", Georgia, serif;

  --jn-radius: 10px;
  --jn-radius-lg: 16px;
  --jn-capsule: 999px;
  --jn-shadow: 0 20px 44px -30px rgba(11, 26, 43, 0.62);
  --jn-shadow-soft: 0 12px 28px -22px rgba(11, 26, 43, 0.5);
  --jn-maxw: 1240px;
  --jn-gutter: clamp(1rem, 4vw, 2.5rem);
  --jn-header-h: 68px;
  --jn-band: linear-gradient(90deg, var(--jn-green) 0%, var(--jn-gold) 58%, var(--jn-red) 100%);
}

/* ---------- 3. 基础排版 ---------- */
body {
  background-color: var(--jn-paper);
  color: var(--jn-ink);
  font-family: var(--jn-font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

#main-content { scroll-margin-top: calc(var(--jn-header-h) + 16px); }

:focus-visible {
  outline: 2px solid var(--jn-green-soft);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: rgba(31, 168, 138, 0.28);
  color: var(--jn-ink);
}

.jn-skip {
  position: absolute;
  top: -3.5rem;
  left: 1rem;
  z-index: 200;
  padding: 0.7rem 1.1rem;
  background: var(--jn-green);
  color: #04201A;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: var(--jn-capsule);
  transition: top 0.2s ease;
}

.jn-skip:focus { top: 0.75rem; }

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

/* ---------- 4. 通用文字组件 ---------- */
.jn-heading {
  font-family: var(--jn-font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: inherit;
}

.jn-heading--lg {
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  line-height: 1.08;
}

.jn-heading--sm {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.35;
}

.jn-lede {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--jn-text);
  max-width: 34em;
}

.jn-label,
.jn-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--jn-text);
}

.jn-kicker {
  display: block;
  font-family: var(--jn-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--jn-gold);
  margin-bottom: 0.75rem;
}

.jn-num {
  font-family: var(--jn-font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.jn-num--xl {
  font-size: clamp(2.5rem, 9vw, 6rem);
  line-height: 0.95;
}

.jn-quote {
  font-family: var(--jn-font-serif);
  font-size: 1.125rem;
  line-height: 1.9;
  color: var(--jn-ink);
  border-left: 3px solid var(--jn-green);
  padding-left: 1.1rem;
}

.jn-band {
  display: block;
  width: 72px;
  height: 3px;
  border-radius: 2px;
  background: var(--jn-band);
}

.jn-divider {
  height: 1px;
  background: var(--jn-line);
  border: 0;
}

/* ---------- 5. 按钮 ---------- */
.jn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--jn-capsule);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease,
    border-color 0.2s ease, transform 0.2s ease;
}

.jn-btn:active { transform: translateY(1px); }

.jn-btn--primary {
  background: var(--jn-green);
  color: #04201A;
  box-shadow: 0 10px 24px -16px rgba(31, 168, 138, 0.9);
}

.jn-btn--primary:hover { background: var(--jn-green-deep); color: #F4F1EA; }

.jn-btn--ghost {
  border-color: rgba(111, 211, 188, 0.45);
  color: var(--jn-green-soft);
  background: rgba(20, 48, 74, 0.35);
}

.jn-btn--ghost:hover {
  background: rgba(31, 168, 138, 0.18);
  color: #FFFFFF;
  border-color: var(--jn-green-soft);
}

.jn-btn--outline {
  border-color: var(--jn-ink);
  color: var(--jn-ink);
  background: transparent;
}

.jn-btn--outline:hover {
  background: var(--jn-ink);
  color: var(--jn-paper);
}

.jn-btn--sm {
  padding: 0.55rem 0.95rem;
  font-size: 0.8125rem;
}

.jn-btn--block {
  width: 100%;
}

/* ---------- 6. 章节骨架 ---------- */
.jn-section {
  position: relative;
  padding-block: clamp(3rem, 7vw, 6rem);
}

.jn-section--paper { background: var(--jn-paper); color: var(--jn-ink); }
.jn-section--mist { background: var(--jn-mist); color: var(--jn-ink); }
.jn-section--ink { background: var(--jn-ink); color: var(--jn-mist); }
.jn-section--deep { background: var(--jn-ink-2); color: var(--jn-mist); }

.jn-section--glass {
  background:
    linear-gradient(180deg, rgba(20, 48, 74, 0.9), rgba(11, 26, 43, 0.96));
  color: var(--jn-mist);
}

.jn-section--ink .jn-lede,
.jn-section--deep .jn-lede,
.jn-section--glass .jn-lede { color: rgba(227, 233, 237, 0.76); }

.jn-section--ink .jn-label,
.jn-section--deep .jn-label,
.jn-section--glass .jn-label { color: var(--jn-green-soft); }

.jn-section__head {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
  max-width: 46rem;
}

/* ---------- 7. 网格 ---------- */
.jn-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  grid-template-columns: minmax(0, 1fr);
}

.jn-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 2.4vw, 1.75rem);
}

@media (min-width: 720px) {
  .jn-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .jn-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 960px) {
  .jn-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .jn-grid--8-4 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
  .jn-grid--7-5 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
}

/* ---------- 8. 正文容器 ---------- */
.jn-prose {
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--jn-text);
}

.jn-prose > * + * { margin-top: 1.05em; }

.jn-prose h2 {
  font-family: var(--jn-font-display);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--jn-ink);
  margin-top: 2em;
}

.jn-prose h3 {
  font-family: var(--jn-font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--jn-ink);
  margin-top: 1.6em;
}

.jn-prose ul,
.jn-prose ol {
  padding-left: 1.2em;
  list-style: disc;
}

.jn-prose li + li { margin-top: 0.4em; }

.jn-prose a {
  color: var(--jn-green-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.jn-prose a:hover { color: var(--jn-green); }

.jn-prose strong { color: var(--jn-ink); font-weight: 700; }

.jn-prose blockquote {
  font-family: var(--jn-font-serif);
  border-left: 3px solid var(--jn-green);
  padding-left: 1.1rem;
  color: var(--jn-ink);
}

/* ---------- 9. 卡片 / 档案层 ---------- */
.jn-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  background: var(--jn-surface);
  border: 1px solid var(--jn-line);
  border-radius: var(--jn-radius-lg);
  box-shadow: var(--jn-shadow-soft);
}

.jn-card--ink {
  background: var(--jn-ink-2);
  border-color: rgba(111, 211, 188, 0.18);
  color: var(--jn-mist);
  box-shadow: var(--jn-shadow);
}

.jn-card--glass {
  background: rgba(20, 48, 74, 0.5);
  border: 1px solid var(--jn-line-dark);
  color: var(--jn-mist);
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
}

.jn-card--paper {
  background: var(--jn-paper);
  border-color: var(--jn-line);
}

.jn-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--jn-line);
}

.jn-card--ink .jn-card__head,
.jn-card--glass .jn-card__head { border-color: rgba(111, 211, 188, 0.2); }

.jn-card__title {
  font-family: var(--jn-font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.jn-card__count {
  font-family: var(--jn-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--jn-gold);
}

.jn-card__body { font-size: 0.9375rem; line-height: 1.75; color: inherit; }

.jn-card--ink .jn-card__body,
.jn-card--glass .jn-card__body { color: rgba(227, 233, 237, 0.78); }

.jn-card__foot {
  margin-top: auto;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--jn-line);
  font-size: 0.8125rem;
  color: var(--jn-text);
}

.jn-card--ink .jn-card__foot,
.jn-card--glass .jn-card__foot {
  border-color: rgba(111, 211, 188, 0.2);
  color: rgba(227, 233, 237, 0.6);
}

/* ---------- 10. 数字条 ---------- */
.jn-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: clamp(1rem, 2.4vw, 1.75rem);
}

.jn-stat {
  padding-left: 0.95rem;
  border-left: 2px solid var(--jn-green);
}

.jn-stat__value {
  display: block;
  font-family: var(--jn-font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.125rem);
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--jn-ink);
}

.jn-stat--red .jn-stat__value { color: var(--jn-red); }
.jn-stat--gold .jn-stat__value { color: var(--jn-gold); }
.jn-stat--gold { border-left-color: var(--jn-gold); }
.jn-stat--red { border-left-color: var(--jn-red); }

.jn-stat__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--jn-text);
}

.jn-section--ink .jn-stat__value,
.jn-section--deep .jn-stat__value,
.jn-section--glass .jn-stat__value { color: #FFFFFF; }

.jn-section--ink .jn-stat__label,
.jn-section--deep .jn-stat__label,
.jn-section--glass .jn-stat__label { color: rgba(227, 233, 237, 0.62); }

/* ---------- 11. 标签 ---------- */
.jn-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--jn-line);
  border-radius: var(--jn-capsule);
  background: var(--jn-surface);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--jn-text);
}

.jn-chip--green {
  border-color: rgba(31, 168, 138, 0.4);
  color: var(--jn-green-deep);
  background: rgba(31, 168, 138, 0.1);
}

.jn-chip--gold {
  border-color: var(--jn-line-gold);
  color: #8A6420;
  background: rgba(200, 155, 74, 0.12);
}

.jn-chip--live {
  border-color: rgba(217, 58, 43, 0.4);
  color: var(--jn-red);
  background: rgba(217, 58, 43, 0.1);
}

.jn-chip--live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--jn-red);
}

.jn-section--ink .jn-chip,
.jn-section--deep .jn-chip,
.jn-section--glass .jn-chip {
  background: rgba(227, 233, 237, 0.08);
  border-color: rgba(111, 211, 188, 0.28);
  color: rgba(227, 233, 237, 0.82);
}

.jn-section--ink .jn-chip--live,
.jn-section--deep .jn-chip--live,
.jn-section--glass .jn-chip--live {
  color: #FF9C90;
  border-color: rgba(217, 58, 43, 0.5);
}

/* ---------- 12. 档案索引 ---------- */
.jn-index {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--jn-line);
}

.jn-index__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1rem 0.25rem;
  border-bottom: 1px solid var(--jn-line);
  text-decoration: none;
  transition: background-color 0.2s ease, padding-left 0.2s ease;
}

.jn-index__item:hover {
  background: rgba(31, 168, 138, 0.07);
  padding-left: 0.6rem;
}

.jn-index__num {
  font-family: var(--jn-font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--jn-gold);
  padding-top: 0.15rem;
}

.jn-index__title {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--jn-ink);
  letter-spacing: -0.01em;
}

.jn-index__meta {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--jn-text);
}

.jn-section--ink .jn-index,
.jn-section--deep .jn-index,
.jn-section--glass .jn-index { border-color: rgba(111, 211, 188, 0.2); }

.jn-section--ink .jn-index__item,
.jn-section--deep .jn-index__item,
.jn-section--glass .jn-index__item { border-color: rgba(111, 211, 188, 0.16); }

.jn-section--ink .jn-index__title,
.jn-section--deep .jn-index__title,
.jn-section--glass .jn-index__title { color: var(--jn-mist); }

.jn-section--ink .jn-index__meta,
.jn-section--deep .jn-index__meta,
.jn-section--glass .jn-index__meta { color: rgba(227, 233, 237, 0.62); }

/* ---------- 13. 表格 ---------- */
.jn-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--jn-line);
  border-radius: var(--jn-radius);
  background: var(--jn-surface);
}

.jn-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.jn-table th {
  background: var(--jn-ink-2);
  color: var(--jn-mist);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  padding: 0.75rem 1rem;
  white-space: nowrap;
}

.jn-table td {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--jn-line);
  color: var(--jn-text);
}

.jn-table tbody tr:nth-child(even) td { background: rgba(227, 233, 237, 0.42); }

.jn-table td .jn-num { color: var(--jn-ink); }

/* ---------- 14. 图片容器（供页面阶段使用） ---------- */
.jn-media {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--jn-radius);
  background:
    linear-gradient(135deg, var(--jn-ink-2) 0%, var(--jn-ink) 60%, #0F2A40 100%);
  border: 1px solid rgba(111, 211, 188, 0.18);
}

.jn-media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.jn-media__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(111, 211, 188, 0.16) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, rgba(111, 211, 188, 0.1) 0 1px, transparent 1px 34px);
  mix-blend-mode: screen;
}

.jn-media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.4rem 1rem 0.85rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: rgba(227, 233, 237, 0.88);
  background: linear-gradient(180deg, rgba(11, 26, 43, 0) 0%, rgba(11, 26, 43, 0.86) 78%);
}

.jn-media__tag {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
}

.jn-media--wide { aspect-ratio: 21 / 9; }
.jn-media--tall { aspect-ratio: 3 / 4; }
.jn-media--square { aspect-ratio: 1 / 1; }
.jn-media--portrait { aspect-ratio: 4 / 5; }

/* ---------- 15. 章节索引 ---------- */
.jn-rail {
  position: sticky;
  top: calc(var(--jn-header-h) + 1.25rem);
  align-self: start;
}

.jn-rail__title {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--jn-text);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--jn-line);
}

.jn-rail__list {
  display: flex;
  flex-direction: column;
}

.jn-rail__link {
  display: block;
  padding: 0.6rem 0.75rem;
  border-left: 2px solid transparent;
  font-size: 0.875rem;
  color: var(--jn-text);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.jn-rail__link:hover {
  color: var(--jn-ink);
  background: rgba(31, 168, 138, 0.08);
}

.jn-rail__link[aria-current="true"] {
  color: var(--jn-green-deep);
  border-left-color: var(--jn-green);
  font-weight: 700;
}

/* ---------- 16. 面包屑 ---------- */
.jn-breadcrumb {
  padding-block: 1.1rem 0;
}

.jn-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8125rem;
  color: var(--jn-text);
}

.jn-breadcrumb__item { display: inline-flex; align-items: center; gap: 0.45rem; }

.jn-breadcrumb__item + .jn-breadcrumb__item::before {
  content: "›";
  color: var(--jn-green);
}

.jn-breadcrumb__link {
  text-decoration: none;
  color: var(--jn-text);
}

.jn-breadcrumb__link:hover { color: var(--jn-green-deep); }

/* ---------- 17. 页头 ---------- */
.jn-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(11, 26, 43, 0.94);
  color: var(--jn-mist);
  border-bottom: 1px solid var(--jn-line-dark);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  transition: background-color 0.25s ease;
}

.jn-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  display: block;
  background: rgba(111, 211, 188, 0.14);
}

.jn-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--jn-green) 0%, var(--jn-green-soft) 65%, var(--jn-gold) 100%);
}

.jn-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding: 0.6rem var(--jn-gutter);
  min-height: var(--jn-header-h);
}

/* 品牌 */
.jn-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
  flex: 0 0 auto;
}

.jn-brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(150deg, var(--jn-green) 0%, var(--jn-green-deep) 100%);
  color: #03201A;
  font-family: var(--jn-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.jn-brand__mark::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--jn-red);
  box-shadow: 0 0 0 2px rgba(11, 26, 43, 0.94);
}

.jn-brand__text { display: flex; flex-direction: column; line-height: 1.2; }

.jn-brand__word {
  font-family: var(--jn-font-display);
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #FFFFFF;
}

.jn-brand__sub {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--jn-green-soft);
  text-transform: uppercase;
}

/* 胶囊导航 */
.jn-nav { justify-self: center; }

.jn-nav__list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0.3rem;
  background: rgba(20, 48, 74, 0.72);
  border: 1px solid var(--jn-line-dark);
  border-radius: var(--jn-capsule);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 14px 30px -26px rgba(0, 0, 0, 0.9);
}

.jn-nav__link {
  display: block;
  padding: 0.5rem 0.95rem;
  border-radius: var(--jn-capsule);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(227, 233, 237, 0.82);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.jn-nav__link:hover {
  color: #FFFFFF;
  background: rgba(31, 168, 138, 0.24);
}

.jn-nav__link[aria-current="page"] {
  background: var(--jn-green);
  color: #04201A;
  box-shadow: 0 8px 20px -14px rgba(31, 168, 138, 1);
}

/* 右侧工具区 */
.jn-header__utility {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  justify-self: end;
}

.jn-round {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.25;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--jn-line-dark);
  border-radius: var(--jn-radius);
  background: rgba(20, 48, 74, 0.55);
}

.jn-round__label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(227, 233, 237, 0.55);
}

.jn-round__value {
  font-family: var(--jn-font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--jn-green-soft);
  font-variant-numeric: tabular-nums;
}

/* 紧凑态 */
.jn-header[data-scrolled] .jn-header__inner { min-height: 58px; padding-block: 0.4rem; }
.jn-header[data-scrolled] .jn-brand__sub { display: none; }
.jn-header[data-scrolled] .jn-brand__mark { width: 32px; height: 32px; }
.jn-header[data-scrolled] .jn-nav__link { padding: 0.42rem 0.8rem; font-size: 0.8125rem; }
.jn-header[data-scrolled] .jn-round__label { display: none; }
.jn-header[data-scrolled] { background: rgba(11, 26, 43, 0.98); }

/* 移动导航按钮 */
.jn-navtoggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--jn-line-dark);
  border-radius: var(--jn-radius);
  background: rgba(20, 48, 74, 0.6);
  color: var(--jn-mist);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  min-height: 42px;
}

.jn-navtoggle:hover { border-color: var(--jn-green-soft); }

.jn-navtoggle__box {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 18px;
  height: 12px;
}

.jn-navtoggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--jn-green-soft);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.jn-header[data-open] .jn-navtoggle__bar:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.jn-header[data-open] .jn-navtoggle__bar:nth-child(2) { opacity: 0; }
.jn-header[data-open] .jn-navtoggle__bar:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ---------- 18. 页脚 ---------- */
.jn-footer {
  position: relative;
  background: var(--jn-ink);
  color: rgba(227, 233, 237, 0.78);
  margin-top: 0;
}

.jn-footer::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--jn-band);
}

.jn-footer__inner { padding-block: clamp(2.5rem, 6vw, 4rem) 1.5rem; }

.jn-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: clamp(1.75rem, 4vw, 2.75rem);
  border-bottom: 1px solid rgba(111, 211, 188, 0.18);
}

.jn-footer__col { min-width: 0; }

.jn-footer__word {
  font-family: var(--jn-font-display);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #FFFFFF;
}

.jn-footer__sub {
  margin-top: 0.3rem;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--jn-green-soft);
}

.jn-footer__note {
  margin-top: 0.9rem;
  max-width: 26em;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(227, 233, 237, 0.6);
}

.jn-footer__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(111, 211, 188, 0.9);
  padding-bottom: 0.6rem;
  margin-bottom: 0.9rem;
  border-bottom: 1px solid rgba(111, 211, 188, 0.16);
}

.jn-footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.jn-footer__link {
  font-size: 0.9375rem;
  color: rgba(227, 233, 237, 0.78);
  text-decoration: none;
  transition: color 0.2s ease;
}

.jn-footer__link:hover {
  color: var(--jn-green-soft);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.jn-footer__meta {
  margin-top: 0.55rem;
  font-family: var(--jn-font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(227, 233, 237, 0.62);
  word-break: break-word;
}

.jn-footer__meta--addr {
  font-family: var(--jn-font-body);
  font-size: 0.8125rem;
}

.jn-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 1.25rem;
}

.jn-footer__copy {
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  color: rgba(227, 233, 237, 0.5);
}

/* ---------- 19. 回到顶部 ---------- */
.jn-top {
  position: fixed;
  right: clamp(0.85rem, 3vw, 1.75rem);
  bottom: clamp(0.85rem, 3vw, 1.75rem);
  z-index: 55;
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--jn-capsule);
  border: 1px solid var(--jn-line-dark);
  background: rgba(11, 26, 43, 0.9);
  color: var(--jn-green-soft);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}

.jn-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.jn-top:hover { background: var(--jn-green-deep); color: #FFFFFF; }

/* ---------- 20. 滚动显现 ---------- */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 12px, 0);
}

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

[data-reveal] {
  transition: opacity 0.4s ease, transform 0.4s ease;
  will-change: opacity, transform;
}

/* ---------- 21. 响应式 ---------- */
@media (max-width: 1120px) {
  .jn-nav__link { padding: 0.45rem 0.7rem; font-size: 0.8125rem; letter-spacing: 0.04em; }
}

@media (max-width: 1023px) {
  .jn-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    position: relative;
  }

  .jn-navtoggle { display: inline-flex; }

  .jn-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    justify-self: stretch;
    padding: 0.85rem var(--jn-gutter) 1.25rem;
    background: rgba(11, 26, 43, 0.99);
    border-bottom: 1px solid var(--jn-line-dark);
    box-shadow: var(--jn-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  }

  .jn-header[data-open] .jn-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .jn-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .jn-nav__link {
    padding: 0.85rem 1rem;
    border-radius: var(--jn-radius);
    font-size: 1rem;
    text-align: left;
    letter-spacing: 0.04em;
  }

  .jn-header[data-scrolled] .jn-nav__link { padding: 0.85rem 1rem; font-size: 1rem; }
}

@media (max-width: 900px) {
  .jn-round { display: none; }
  .jn-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .jn-header__cta { display: none; }
  .jn-footer__grid { grid-template-columns: minmax(0, 1fr); }
  .jn-footer__bottom { flex-direction: column; align-items: flex-start; }
  .jn-stat__value { font-size: 1.5rem; }
}

@media (min-width: 1024px) {
  .jn-rail { display: block; }
}

/* ---------- 22. 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .js-reveal [data-reveal],
  .js-reveal [data-reveal].is-in {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .jn-btn,
  .jn-nav__link,
  .jn-navtoggle__bar,
  .jn-top,
  .jn-index__item,
  .jn-rail__link {
    transition: none !important;
  }

  .jn-top { transform: none; }
}