/* ---------- 1. 变量与重置 ---------- */
:root {
  --c-bg: #EBE8E1;
  --c-surface: #F7F3EC;
  --c-ink: #1C1F1B;
  --c-muted: #737A74;
  --c-line: #D8D3C8;
  --c-line-strong: #B4ADA1;
  --c-green: #1F8A4C;
  --c-green-deep: #123A22;
  --c-red: #E0442C;
  --c-blue: #2D5BE3;
  --c-white: #FFFFFF;
  --font-display: "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Aptos Display", "Roboto Condensed", "Arial Narrow", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { min-height: 100vh; background: var(--c-bg); color: var(--c-ink); font-family: var(--font-body); font-size: 16px; line-height: 1.7; }
main { display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img, picture, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: 0; }
button { cursor: pointer; }
h1, h2, h3, h4, h5 { font-family: var(--font-display); line-height: 1.15; font-weight: 900; }
hr { border: 0; border-top: 2px solid var(--c-ink); margin: 0 0 24px; }
::selection { background: var(--c-green); color: var(--c-white); }
:focus-visible { outline: 3px solid var(--c-blue); outline-offset: 2px; }

/* ---------- 2. 通用布局 ---------- */
.container { width: min(100% - 48px, 1280px); margin-inline: auto; }
.page { padding: clamp(44px, 7vw, 88px) 0 clamp(20px, 3vw, 40px); }
.page-head { max-width: 920px; margin-bottom: clamp(28px, 4vw, 48px); }
.section { padding: clamp(36px, 5vw, 64px) 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; border-bottom: 2px solid var(--c-ink); padding-bottom: 12px; margin-bottom: 28px; }
.section-title { font-size: clamp(1.4rem, 2.4vw, 2rem); letter-spacing: -.01em; }
.section-more { font-size: 13px; font-weight: 800; color: var(--c-red); white-space: nowrap; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(24px, 4vw, 56px); align-items: start; }
.split-rev { grid-template-columns: .85fr 1.15fr; }
.split-rev > :first-child { order: 2; }
.split-rev > :last-child { order: 1; }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) {
  .split, .split-rev { grid-template-columns: 1fr; }
  .split-rev > :first-child, .split-rev > :last-child { order: 0; }
}
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- 3. 文本 ---------- */
.kicker { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-num); font-size: 13px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--c-red); }
.kicker::before { content: ""; width: 26px; height: 2px; background: currentColor; }
.display-title { margin: 14px 0 10px; font-size: clamp(2.1rem, 4.4vw, 3.6rem); font-weight: 900; line-height: 1.06; letter-spacing: -.02em; color: var(--c-ink); }
.lead { max-width: 680px; font-size: 1.06rem; line-height: 1.8; color: var(--c-muted); }
.text-num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }
.tabular { font-variant-numeric: tabular-nums; }

/* ---------- 4. 跳转链接 ---------- */
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 999; padding: 10px 18px; background: var(--c-red); color: var(--c-white); font-weight: 900; font-size: 14px; transform: translateY(-220%); transition: transform .15s linear; }
.skip-link:focus-visible { transform: translateY(0); }

/* ---------- 5. 头部 ---------- */
.site-header { position: sticky; top: 0; z-index: 150; background: var(--c-green-deep); color: var(--c-white); }
.header-inner { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; background: var(--c-red); color: var(--c-white); font-family: var(--font-num); font-size: 15px; font-weight: 800; line-height: 1; padding: 5px 7px 4px; }
.brand-name { font-size: 19px; font-weight: 900; letter-spacing: .08em; color: var(--c-white); }
.site-nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-item { flex: 0 0 auto; }
.nav-link { display: inline-flex; align-items: center; gap: 7px; padding: 10px 13px; font-size: 14px; font-weight: 800; line-height: 1.2; color: rgba(255, 255, 255, .82); border: 1px solid transparent; transition: background-color .1s linear, color .1s linear; }
.nav-index { font-family: var(--font-num); font-size: 11px; line-height: 1; color: rgba(255, 255, 255, .42); }
.nav-link:hover { background: rgba(255, 255, 255, .08); color: var(--c-white); }
.nav-link[aria-current="page"] { background: var(--c-red); color: var(--c-white); }
.nav-link[aria-current="page"] .nav-index { color: rgba(255, 255, 255, .72); }
.header-live { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border: 1px solid rgba(255, 255, 255, .18); font-family: var(--font-num); font-size: 13px; color: rgba(255, 255, 255, .88); }
.live-pulse { width: 8px; height: 8px; flex: 0 0 auto; border-radius: 50%; background: var(--c-blue); animation: pulse 2s ease-out infinite; }
.live-label { font-weight: 700; letter-spacing: .04em; }
.live-sep { color: rgba(255, 255, 255, .32); font-size: 11px; }
.live-date { font-weight: 700; letter-spacing: .02em; }
.nav-toggle { display: none; align-items: center; justify-content: center; gap: 5px; margin-left: auto; padding: 12px; border: 1px solid rgba(255, 255, 255, .28); }
.toggle-line { display: block; width: 20px; height: 2px; background: var(--c-white); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(45, 91, 227, .6); }
  70% { box-shadow: 0 0 0 9px rgba(45, 91, 227, 0); }
  100% { box-shadow: 0 0 0 0 rgba(45, 91, 227, 0); }
}
.site-progress { position: fixed; top: 0; left: 0; z-index: 210; width: 100%; height: 3px; pointer-events: none; }
.progress-fill { display: block; width: 100%; height: 100%; background: linear-gradient(90deg, var(--c-green) 0%, var(--c-red) 62%, var(--c-blue) 100%); transform: scaleX(0); transform-origin: 0 50%; }

@media (max-width: 1120px) {
  .nav-link { padding: 9px 8px; font-size: 13px; }
  .header-live { padding: 6px 9px; font-size: 12px; }
  .brand-name { font-size: 17px; }
}

@media (max-width: 960px) {
  .header-inner { min-height: 58px; gap: 12px; }
  .header-live { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--c-green-deep); border-top: 1px solid rgba(255, 255, 255, .14); box-shadow: 0 18px 40px rgba(0, 0, 0, .28); }
  .site-nav[data-open] { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: 10px 16px 18px; }
  .nav-item { width: 100%; }
  .nav-link { width: 100%; padding: 14px 10px; font-size: 15px; justify-content: flex-start; border-bottom: 1px solid rgba(255, 255, 255, .08); }
}

/* ---------- 6. 页脚 ---------- */
.site-footer { background: var(--c-green-deep); color: rgba(255, 255, 255, .76); margin-top: clamp(56px, 8vw, 120px); border-top: 4px solid var(--c-red); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: clamp(28px, 4vw, 56px); padding: clamp(40px, 6vw, 72px) 0 clamp(28px, 4vw, 48px); }
.footer-brand-link { display: inline-flex; margin-bottom: 16px; }
.footer-desc { max-width: 400px; margin-top: 14px; font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, .6); }
.footer-title { margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid rgba(255, 255, 255, .18); font-size: 13px; letter-spacing: .16em; color: var(--c-white); }
.footer-links li + li { margin-top: 2px; }
.footer-links a { display: inline-block; padding: 5px 0; font-size: 14px; color: rgba(255, 255, 255, .68); transition: color .1s linear; }
.footer-links a:hover { color: var(--c-white); padding-left: 4px; }
.footer-contact li { display: grid; grid-template-columns: 34px 1fr; align-items: baseline; gap: 0 10px; padding: 6px 0; font-size: 14px; line-height: 1.55; color: rgba(255, 255, 255, .68); }
.contact-label { font-family: var(--font-num); font-size: 11px; font-weight: 700; letter-spacing: .1em; color: rgba(255, 255, 255, .45); }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 24px; border-top: 1px solid rgba(255, 255, 255, .14); padding: 18px 0 22px; font-size: 13px; color: rgba(255, 255, 255, .55); }
.footer-icp { font-variant-numeric: tabular-nums; }
.footer-note { margin-left: auto; font-weight: 700; letter-spacing: .08em; color: rgba(255, 255, 255, .72); }

@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-note { margin-left: 0; }
}

/* ---------- 7. 按钮与标签 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 24px; font-size: 14px; font-weight: 800; line-height: 1; border: 2px solid transparent; background: transparent; color: var(--c-ink); transition: background-color .1s linear, border-color .1s linear, color .1s linear; }
.btn-primary { background: var(--c-red); border-color: var(--c-red); color: var(--c-white); }
.btn-primary:hover { background: var(--c-green-deep); border-color: var(--c-green-deep); }
.btn-outline { border-color: var(--c-green); color: var(--c-green); }
.btn-outline:hover { background: var(--c-green); border-color: var(--c-green); color: var(--c-white); }
.btn-quiet { border-color: var(--c-ink); color: var(--c-ink); }
.btn-quiet:hover { background: var(--c-ink); border-color: var(--c-ink); color: var(--c-white); }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border: 1px solid currentColor; font-size: 12px; font-weight: 800; letter-spacing: .04em; line-height: 1.4; color: var(--c-green); }
.tag-red { color: var(--c-red); }
.tag-blue { color: var(--c-blue); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.filter-btn { padding: 8px 16px; border: 1px solid var(--c-green); font-size: 13px; font-weight: 800; color: var(--c-green); transition: background-color .1s linear, color .1s linear; }
.filter-btn:hover { background: var(--c-green); color: var(--c-white); }
.filter-btn[aria-pressed="true"] { background: var(--c-green); color: var(--c-white); }

/* ---------- 8. 卡片 ---------- */
.card { position: relative; background: var(--c-surface); border: 1px solid var(--c-line); transition: border-color .12s linear, background-color .12s linear; }
.card:hover { border-color: var(--c-green); }
.card-pad { padding: 24px; }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-title { font-size: 1.15rem; letter-spacing: .01em; line-height: 1.3; }
.card-meta { font-family: var(--font-num); font-size: 12px; color: var(--c-muted); letter-spacing: .08em; text-transform: uppercase; }
.card-text { margin-top: 8px; font-size: 14px; line-height: 1.75; color: var(--c-muted); }
a.card-link { display: block; }
.card-link:hover .card-title { color: var(--c-red); }

/* ---------- 9. 数据与图表 ---------- */
.stat { padding: 26px 24px; background: var(--c-green-deep); color: var(--c-white); border-top: 4px solid var(--c-red); }
.stat-blue { border-top-color: var(--c-blue); }
.stat-num { display: block; font-family: var(--font-num); font-size: clamp(2.1rem, 4vw, 3.4rem); font-weight: 800; line-height: 1; color: var(--c-white); font-variant-numeric: tabular-nums; }
.stat-label { display: block; margin-top: 10px; font-size: 12px; letter-spacing: .14em; color: rgba(255, 255, 255, .66); }
.chart-bars { display: grid; gap: 12px; }
.chart-bar-row { display: grid; grid-template-columns: 96px 1fr 44px; align-items: center; gap: 12px; font-size: 13px; }
.chart-bar-label { font-weight: 800; color: var(--c-muted); }
.chart-bar-track { position: relative; height: 12px; overflow: hidden; background: var(--c-line); }
.chart-bar-fill { position: absolute; inset: 0 auto 0 0; background: var(--c-green); }
.chart-bar-fill.is-red { background: var(--c-red); }
.chart-bar-fill.is-blue { background: var(--c-blue); }
.chart-bar-val { font-family: var(--font-num); font-weight: 800; text-align: right; color: var(--c-ink); }

/* ---------- 10. 面包屑与分页 ---------- */
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-bottom: 24px; padding: 14px 0; border-bottom: 1px solid var(--c-line); font-size: 13px; color: var(--c-muted); }
.breadcrumb li { display: inline-flex; align-items: center; }
.breadcrumb li + li::before { content: "/"; margin-right: 4px; color: var(--c-line-strong); }
.breadcrumb a { color: var(--c-green); font-weight: 800; }
.breadcrumb a:hover { color: var(--c-red); }
.breadcrumb [aria-current="page"] { color: var(--c-ink); font-weight: 900; }
.pager { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.pager a, .pager .pager-current { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; height: 44px; padding: 0 14px; border: 1px solid var(--c-line); background: var(--c-surface); font-family: var(--font-num); font-size: 14px; font-weight: 800; }
.pager .pager-current { background: var(--c-red); border-color: var(--c-red); color: var(--c-white); }
.pager a:hover { border-color: var(--c-green); color: var(--c-green); }

/* ---------- 11. 正文排版 ---------- */
.prose { max-width: 780px; font-size: 16px; line-height: 1.85; color: #2B2D29; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 1.8em; padding-top: .6em; border-top: 2px solid var(--c-ink); font-size: 1.6rem; }
.prose h3 { margin-top: 1.6em; font-size: 1.2rem; color: var(--c-green-deep); }
.prose a { color: var(--c-blue); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { font-weight: 900; color: var(--c-ink); }
.prose li { position: relative; margin: .5em 0; padding-left: 1.2em; }
.prose ul li::before { content: ""; position: absolute; left: 0; top: .72em; width: 7px; height: 7px; background: var(--c-red); }
.prose ol { counter-reset: prose; }
.prose ol li { counter-increment: prose; padding-left: 1.9em; }
.prose ol li::before { content: counter(prose, decimal-leading-zero); position: absolute; left: 0; top: .48em; width: auto; height: auto; font-family: var(--font-num); font-size: 12px; font-weight: 800; color: var(--c-green); background: none; }
.prose blockquote { margin: 1.4em 0; padding: 16px 20px; background: var(--c-surface); border-left: 4px solid var(--c-green); color: var(--c-muted); }
.prose blockquote strong { color: var(--c-ink); }
.prose code { padding: 2px 6px; border: 1px solid var(--c-line); background: var(--c-surface); font-family: var(--font-num); font-size: .9em; }
.prose hr { margin: 2em 0; }

/* ---------- 12. 旁注与内容区 ---------- */
.layout-doc { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: clamp(24px, 4vw, 60px); align-items: start; }
.rail { border-left: 3px solid var(--c-red); padding: 4px 0 4px 18px; }
.rail-item { font-family: var(--font-num); font-size: 13px; line-height: 1.6; color: var(--c-muted); }
.rail-item + .rail-item { margin-top: 14px; }
.rail-item strong { display: block; font-weight: 900; color: var(--c-ink); }
.doc { min-width: 0; }

@media (max-width: 860px) {
  .layout-doc { grid-template-columns: 1fr; }
  .rail { border-left: 0; border-top: 3px solid var(--c-red); padding: 14px 0 0; }
}

/* ---------- 13. 手风琴 ---------- */
.details { margin-bottom: 10px; background: var(--c-surface); border: 1px solid var(--c-line); }
.details summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; font-size: 15px; font-weight: 900; list-style: none; cursor: pointer; }
.details summary::-webkit-details-marker { display: none; }
.details summary::after { content: "+"; flex: 0 0 auto; font-family: var(--font-num); font-size: 18px; font-weight: 800; color: var(--c-red); }
.details[open] summary { border-bottom: 1px solid var(--c-line); }
.details[open] summary::after { content: "–"; }
.details-body { padding: 14px 20px 20px; font-size: 14px; line-height: 1.8; color: var(--c-muted); }
.details-body p + p { margin-top: 8px; }

/* ---------- 14. 图片容器 ---------- */
.media { position: relative; display: block; overflow: hidden; background: var(--c-surface); border: 1px solid var(--c-line); }
.media img, .media video { width: 100%; height: 100%; object-fit: cover; }
.media-wide { aspect-ratio: 21 / 9; }
.media-16x9 { aspect-ratio: 16 / 9; }
.media-4x3 { aspect-ratio: 4 / 3; }
.media-square { aspect-ratio: 1 / 1; }
.media-4x5 { aspect-ratio: 4 / 5; }
.media-2x3 { aspect-ratio: 2 / 3; }
.media-fallback { position: absolute; inset: 0; display: grid; place-items: center; border: 1px dashed var(--c-line-strong); background: linear-gradient(135deg, #E7E4DC 0%, #F2EFE8 55%, #E4E1D8 100%); font-family: var(--font-num); font-size: 12px; letter-spacing: .16em; color: var(--c-muted); }
.media-fallback[data-label]::before { content: attr(data-label); }
.media-caption { position: absolute; bottom: 0; left: 0; z-index: 2; padding: 5px 10px; background: var(--c-green-deep); font-size: 12px; font-weight: 700; color: var(--c-white); }

/* ---------- 15. 装饰与辅助 ---------- */
.skew-badge { display: inline-block; padding: 7px 16px; background: var(--c-red); color: var(--c-white); font-size: 12px; font-weight: 900; letter-spacing: .12em; transform: skewX(-9deg); }
.skew-badge > span { display: inline-block; transform: skewX(9deg); }
.skew-badge-green { background: var(--c-green); }
.skew-badge-blue { background: var(--c-blue); }
.diag-lines { background-image: repeating-linear-gradient(-45deg, transparent 0 10px, rgba(28, 31, 27, .05) 10px 11px); }
.no-scroll { overflow: hidden; }

/* ---------- 16. 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .live-pulse { animation: none; }
}