/* ============================================================
   凤凰体育安装 · 共享站点样式 /assets/site.css
   母题：炽热赛道 · 深墨蓝底 · 赤金流动 · 经幡五彩点缀
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#0A1322;
  --panel:#131F33;
  --flame:#E4402A;
  --gold:#F5A623;
  --gold-pale:#FBE2B4;
  --jade:#22B8A6;
  --blue:#3C86F0;
  --green:#46A85E;
  --yellow:#F2C94C;
  --paper:#F4EFE4;

  --ink-text:#E8EEF8;
  --paper-text:#2A3242;

  --line:rgba(244,239,228,.16);
  --line-strong:rgba(244,239,228,.30);
  --line-soft:rgba(244,239,228,.09);

  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --wrap:1240px;
  --track-gradient:linear-gradient(90deg,var(--flame),var(--gold) 62%,var(--jade));
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-hard:5px 5px 0 rgba(0,0,0,.45);
  --shadow-flame:5px 5px 0 rgba(228,64,42,.22);
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-behavior:smooth;
}
body{
  margin:0;
  min-height:100%;
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  color:var(--ink-text);
  background-color:var(--ink);
  background-image:
    radial-gradient(900px 520px at 80% -10%,rgba(228,64,42,.20),transparent 66%),
    radial-gradient(760px 460px at 4% 2%,rgba(34,184,166,.13),transparent 70%),
    radial-gradient(1100px 700px at 52% 108%,rgba(60,134,240,.12),transparent 74%);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0}
img,svg,video{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
button{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
:target{scroll-margin-top:120px}

/* ---------- 3. 可访问性基础 ---------- */
:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  border-radius:8px;
}
.sr-only{
  position:absolute;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;
  left:16px;top:-120px;
  z-index:200;
  padding:12px 22px;
  border-radius:0 0 12px 12px;
  background:var(--gold);
  color:#181004;
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  box-shadow:0 14px 30px -14px rgba(0,0,0,.95);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0}

/* ---------- 4. 排版工具 ---------- */
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--gold);
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:linear-gradient(90deg,var(--flame),var(--gold));
}
.chapter-num{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.18em;
  color:var(--flame);
}

/* ---------- 5. 容器与栅格 ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}
.wrap--narrow{max-width:760px}
.grid{
  display:grid;
  gap:24px;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--aside{
  grid-template-columns:minmax(0,1fr) 280px;
  gap:48px;
  align-items:start;
}
.section{padding:72px 0}
.section--paper{
  background:var(--paper);
  color:var(--paper-text);
}
.section--paper .eyebrow{color:#A8611A}
.section--paper .eyebrow::before{background:linear-gradient(90deg,var(--flame),#C9801D)}
.track-line{
  height:2px;
  border:0;
  margin:48px 0;
  background-image:linear-gradient(90deg,var(--flame),var(--gold) 70%,var(--jade));
  background-size:100% 2px;
  -webkit-mask-image:repeating-linear-gradient(90deg,#000 0 14px,transparent 14px 26px);
  mask-image:repeating-linear-gradient(90deg,#000 0 14px,transparent 14px 26px);
  opacity:.65;
}

/* ---------- 6. 正文与面包屑 ---------- */
.prose{
  max-width:720px;
  font-size:17px;
  line-height:1.78;
  color:rgba(232,238,248,.88);
}
.prose p{margin:0 0 1.15em}
.prose h2,.prose h3{
  font-family:var(--font-serif);
  font-weight:600;
  color:var(--paper);
  line-height:1.35;
  margin:1.6em 0 .6em;
}
.prose h2{font-size:30px}
.prose h3{font-size:22px}
.prose ul,.prose ol{margin:0 0 1.15em;padding-left:1.3em}
.prose li{margin:.35em 0}
.prose a{
  color:#8FC0FF;
  text-decoration:underline;
  text-decoration-color:rgba(143,192,255,.42);
  text-underline-offset:3px;
}
.prose a:hover{color:var(--gold-pale);text-decoration-color:var(--gold)}
.prose--paper{color:var(--paper-text)}
.prose--paper h2,.prose--paper h3{color:#141C29}
.prose--paper a{color:#1E4E9E;text-decoration-color:rgba(30,78,158,.35)}

.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin:0 0 24px;
  font-size:12.5px;
  letter-spacing:.06em;
  color:rgba(232,238,248,.55);
}
.breadcrumbs a{
  color:rgba(232,238,248,.78);
  text-decoration:none;
  border-bottom:1px solid rgba(245,166,35,.38);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.breadcrumbs a:hover{color:var(--gold-pale);border-bottom-color:var(--gold)}
.breadcrumbs [aria-current="page"]{color:var(--gold-pale)}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-family:inherit;
  font-size:14px;
  font-weight:700;
  line-height:1.15;
  letter-spacing:.01em;
  text-decoration:none;
  white-space:nowrap;
  cursor:pointer;
  transition:
    transform .18s var(--ease),
    box-shadow .18s var(--ease),
    background .18s var(--ease),
    border-color .18s var(--ease),
    color .18s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-flame{
  background:linear-gradient(140deg,#F26320,var(--flame) 68%);
  color:#FFF6EE;
  border-color:rgba(255,214,178,.28);
  box-shadow:0 10px 24px -12px rgba(228,64,42,.95);
}
.btn-flame:hover{
  box-shadow:0 14px 30px -12px rgba(228,64,42,1);
  border-color:rgba(251,226,180,.55);
}
.btn-ghost{
  background:rgba(245,166,35,.10);
  color:var(--gold-pale);
  border-color:rgba(245,166,35,.52);
}
.btn-ghost:hover{background:rgba(245,166,35,.18);border-color:var(--gold)}
.btn-paper{
  background:var(--paper);
  color:var(--paper-text);
  border-color:rgba(10,19,34,.18);
  box-shadow:3px 3px 0 rgba(10,19,34,.22);
}
.btn-paper:hover{background:#FFFCF4;box-shadow:4px 5px 0 rgba(10,19,34,.26)}

/* ---------- 8. 页头：悬浮胶囊浮岛 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  padding:14px 20px 0;
  transition:padding .26s var(--ease);
}
.site-header[data-shrink="true"]{padding-top:8px}
.header-shell{
  position:relative;
  max-width:var(--wrap);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 12px 10px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:linear-gradient(180deg,rgba(19,31,51,.94),rgba(10,19,34,.94));
  -webkit-backdrop-filter:blur(16px) saturate(1.25);
  backdrop-filter:blur(16px) saturate(1.25);
  box-shadow:
    0 18px 42px -28px rgba(0,0,0,.98),
    inset 0 1px 0 rgba(255,255,255,.06);
  transition:padding .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease);
}
.site-header[data-shrink="true"] .header-shell{
  padding:6px 10px 6px 14px;
  background:linear-gradient(180deg,rgba(19,31,51,.98),rgba(10,19,34,.98));
  box-shadow:
    0 16px 36px -26px rgba(0,0,0,.98),
    0 0 0 1px rgba(245,166,35,.14),
    inset 0 1px 0 rgba(255,255,255,.05);
}

/* 阅读进度条 */
.scroll-progress{
  position:fixed;
  top:0;left:0;right:0;
  height:3px;
  z-index:120;
  background:rgba(244,239,228,.07);
  pointer-events:none;
}
.scroll-progress-fill{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--flame),var(--gold) 55%,var(--jade));
  box-shadow:0 0 14px rgba(245,166,35,.55);
  transition:width .12s linear;
}

/* 品牌块 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
  text-decoration:none;
  color:inherit;
}
.brand-mark{
  position:relative;
  width:34px;
  height:34px;
  flex:0 0 auto;
  border-radius:10px;
  background:linear-gradient(145deg,var(--flame),#F2712B 58%,var(--gold-pale));
  box-shadow:
    inset 0 0 0 1px rgba(10,19,34,.32),
    0 6px 16px -10px rgba(228,64,42,1);
  display:grid;
  place-items:center;
  overflow:hidden;
}
.brand-mark::before{
  content:"";
  width:11px;
  height:16px;
  background:var(--ink);
  clip-path:polygon(50% 0,100% 60%,78% 100%,22% 100%,0 54%);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.18;
}
.brand-name{
  font-size:17px;
  font-weight:900;
  letter-spacing:-.01em;
  color:var(--paper);
}
.brand-line{
  font-size:11px;
  letter-spacing:.16em;
  color:rgba(244,239,228,.60);
  white-space:nowrap;
}

/* 移动端汉堡 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  margin-left:auto;
  padding:9px 14px;
  border-radius:999px;
  border:1px solid rgba(245,166,35,.45);
  background:rgba(245,166,35,.10);
  color:var(--gold-pale);
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{background:rgba(245,166,35,.18);border-color:var(--gold)}
.nav-toggle-box{
  display:inline-flex;
  flex-direction:column;
  gap:4px;
  width:16px;
}
.nav-toggle-box span{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.site-header[data-open="true"] .nav-toggle-box span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle-box span:nth-child(2){opacity:0}
.site-header[data-open="true"] .nav-toggle-box span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-toggle-text{letter-spacing:.02em}

/* 导航 */
.site-nav{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
  min-width:0;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  list-style:none;
}
.nav-item{display:flex}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 12px;
  border-radius:999px;
  color:rgba(232,238,248,.78);
  font-size:14px;
  font-weight:500;
  text-decoration:none;
  white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--paper);background:rgba(245,166,35,.13)}
.nav-link[aria-current="page"]{
  color:#1A1105;
  font-weight:700;
  background:linear-gradient(120deg,var(--gold),var(--gold-pale));
  box-shadow:0 6px 16px -10px rgba(245,166,35,1);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:6px;
}
.nav-note{
  display:none;
  margin:8px 2px 0;
  font-size:12px;
  line-height:1.6;
  color:rgba(244,239,228,.55);
}

/* ---------- 9. 页脚：赛道终点 ---------- */
.site-footer{
  position:relative;
  margin-top:96px;
  color:var(--ink-text);
  border-top:1px solid rgba(245,166,35,.22);
  background-image:
    radial-gradient(760px 320px at 10% 0%,rgba(228,64,42,.16),transparent 70%),
    radial-gradient(620px 300px at 92% 14%,rgba(34,184,166,.11),transparent 72%),
    linear-gradient(180deg,#0B1626,#080F1B 68%);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--flame),var(--gold) 42%,var(--jade) 72%,var(--blue));
  opacity:.92;
}
.footer-shell{
  max-width:var(--wrap);
  margin:0 auto;
  padding:72px 24px 30px;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,.9fr));
  gap:44px 32px;
}
.footer-brand{min-width:0}
.brand--footer{margin-bottom:16px}
.brand--footer .brand-name{font-size:20px}
.footer-slogan{
  font-family:var(--font-serif);
  font-size:22px;
  font-weight:600;
  letter-spacing:.01em;
  color:var(--gold-pale);
  margin:0 0 12px;
}
.footer-version{
  font-size:13px;
  letter-spacing:.04em;
  color:rgba(232,238,248,.60);
}
.footer-version .mono{color:var(--jade)}

.footer-col{min-width:0}
.footer-col-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--gold);
  margin:0;
  padding-bottom:10px;
  border-bottom:1px solid var(--line-soft);
}
.footer-list{
  list-style:none;
  margin:14px 0 0;
  padding:0;
  display:grid;
  gap:10px;
}
.footer-list a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  line-height:1.5;
  color:rgba(232,238,248,.72);
  text-decoration:none;
  transition:color .18s var(--ease),gap .18s var(--ease);
}
.footer-list a::before{
  content:"";
  width:6px;
  height:1px;
  background:rgba(245,166,35,.6);
  transition:width .18s var(--ease),background .18s var(--ease);
}
.footer-list a:hover{color:var(--gold-pale)}
.footer-list a:hover::before{width:14px;background:var(--gold)}

/* 联系卡 */
.footer-contact{
  margin-top:44px;
  padding:26px 26px 22px;
  border:1px solid var(--line);
  border-radius:14px;
  background:linear-gradient(180deg,rgba(19,31,51,.82),rgba(12,21,36,.82));
  box-shadow:var(--shadow-flame);
}
.footer-contact-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--gold-pale);
  margin:0;
}
.contact-list{
  list-style:none;
  margin:18px 0 0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px 24px;
}
.contact-item{display:flex;flex-direction:column;gap:6px;min-width:0}
.contact-key{
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.14em;
  color:rgba(34,184,166,.92);
}
.contact-val{
  font-size:14px;
  line-height:1.6;
  color:rgba(232,238,248,.86);
  overflow-wrap:anywhere;
}
.contact-note{
  margin:20px 0 0;
  padding-top:16px;
  border-top:1px dashed rgba(244,239,228,.14);
  font-size:12.5px;
  line-height:1.7;
  color:rgba(232,238,248,.58);
}

/* 底线 */
.footer-legal{
  margin-top:34px;
  padding-top:20px;
  border-top:1px solid var(--line-soft);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  font-size:12.5px;
  letter-spacing:.04em;
  color:rgba(232,238,248,.55);
}
.footer-copy{margin:0}
.footer-icp{margin:0;color:rgba(232,238,248,.65)}

/* ---------- 10. 卡片与编辑部组件 ---------- */
.card{
  position:relative;
  padding:24px;
  border:1px solid var(--line);
  border-radius:12px;
  background:linear-gradient(180deg,rgba(19,31,51,.92),rgba(12,21,36,.92));
  box-shadow:var(--shadow-hard);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{
  transform:translateY(-2px);
  border-color:rgba(245,166,35,.6);
  box-shadow:var(--shadow-flame);
}
.card--paper{
  background:var(--paper);
  color:var(--paper-text);
  border-color:rgba(10,19,34,.20);
  box-shadow:5px 5px 0 rgba(10,19,34,.26);
}
.card--paper:hover{border-color:rgba(228,64,42,.55);box-shadow:5px 7px 0 rgba(10,19,34,.30)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 10px;
  border-radius:5px;
  border:1px solid rgba(245,166,35,.45);
  background:rgba(245,166,35,.12);
  color:var(--gold-pale);
  font-size:11.5px;
  font-weight:700;
  line-height:1;
  letter-spacing:.14em;
  white-space:nowrap;
}
.tag--flame{
  background:rgba(228,64,42,.16);
  border-color:rgba(228,64,42,.52);
  color:#FFD9C9;
}
.tag--jade{
  background:rgba(34,184,166,.14);
  border-color:rgba(34,184,166,.46);
  color:#BDF3EA;
}
.tag--paper{
  background:var(--gold-pale);
  border-color:rgba(10,19,34,.18);
  color:#4A2E08;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 15px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(19,31,51,.7);
  color:rgba(232,238,248,.82);
  font-size:13px;
  font-weight:600;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.chip:hover{background:rgba(245,166,35,.14);color:var(--gold-pale);border-color:rgba(245,166,35,.6)}
.chip[aria-pressed="true"],
.chip[aria-current="page"]{
  background:linear-gradient(120deg,var(--gold),var(--gold-pale));
  color:#1A1105;
  border-color:rgba(251,226,180,.9);
}
.status-dot{
  display:inline-block;
  width:8px;
  height:8px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--jade);
  box-shadow:0 0 0 3px rgba(34,184,166,.18);
}
.status-dot--ok{background:var(--green);box-shadow:0 0 0 3px rgba(70,168,94,.18)}
.status-dot--warn{background:var(--yellow);box-shadow:0 0 0 3px rgba(242,201,76,.20)}
.status-dot--info{background:var(--blue);box-shadow:0 0 0 3px rgba(60,134,240,.18)}
.status-dot--flame{background:var(--flame);box-shadow:0 0 0 3px rgba(228,64,42,.20)}

/* ---------- 11. 图片容器基座 ---------- */
.media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:4 / 3;
  overflow:hidden;
  border-radius:12px;
  border:1px solid var(--line);
  background-image:
    radial-gradient(120% 100% at 14% 0%,rgba(228,64,42,.30),transparent 62%),
    radial-gradient(110% 100% at 88% 100%,rgba(34,184,166,.22),transparent 66%),
    linear-gradient(160deg,#16233A,#0B1424);
  box-shadow:var(--shadow-hard);
}
.media--wide{aspect-ratio:16 / 9}
.media--tall{aspect-ratio:3 / 4}
.media--square{aspect-ratio:1 / 1}
.media-img,
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.media-caption{
  margin:10px 0 0;
  font-size:12.5px;
  line-height:1.6;
  letter-spacing:.03em;
  color:rgba(232,238,248,.55);
}
.media-caption .mono{color:var(--jade)}

/* ---------- 12. 进场协议 ---------- */
html[data-reveal-ready="true"] [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
html[data-reveal-ready="true"] [data-reveal][data-revealed="true"]{
  opacity:1;
  transform:none;
}

/* ---------- 13. 响应式：平板 ---------- */
@media (max-width:1024px){
  .footer-top{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:40px 32px;
  }
  .contact-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--aside{
    grid-template-columns:minmax(0,1fr);
    gap:32px;
  }
  .section{padding:58px 0}
}

/* ---------- 14. 响应式：移动与平板导航 ---------- */
@media (max-width:960px){
  .site-header{padding:10px 12px 0}
  .site-header[data-shrink="true"]{padding-top:6px}

  .header-shell{
    padding:8px 10px 8px 12px;
    gap:10px;
  }
  .site-header[data-shrink="true"] .header-shell{padding:7px 10px 7px 12px}

  .nav-toggle{display:inline-flex}

  .site-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    margin-left:0;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    max-height:calc(100vh - 130px);
    overflow-y:auto;
    padding:14px;
    border-radius:20px;
    border:1px solid var(--line-strong);
    background:linear-gradient(180deg,#131F33,#0A1322);
    box-shadow:
      0 28px 62px -32px rgba(0,0,0,.98),
      6px 6px 0 rgba(228,64,42,.16);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s linear;
  }
  .site-header[data-open="true"] .site-nav{
    opacity:1;
    visibility:visible;
    transform:none;
  }

  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .nav-item{display:block}
  .nav-link{
    height:auto;
    padding:12px 14px;
    border-radius:12px;
    font-size:15px;
    color:rgba(232,238,248,.85);
  }
  .nav-link[aria-current="page"]{
    box-shadow:none;
    color:#1A1105;
  }

  .nav-actions{
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    margin:10px 0 0;
  }
  .nav-actions .btn{
    width:100%;
    padding:13px 18px;
    justify-content:center;
  }
  .nav-note{
    display:block;
    padding-top:10px;
    border-top:1px dashed rgba(244,239,228,.14);
  }
}

/* ---------- 15. 响应式：手机 ---------- */
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .footer-shell{padding:56px 18px 26px}
  .site-footer{margin-top:64px}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:34px}
  .contact-list{grid-template-columns:minmax(0,1fr);gap:16px}
  .footer-contact{padding:22px 20px 20px;margin-top:34px}
  .footer-slogan{font-size:19px}
  .brand-name{font-size:16px}
  .brand-line{font-size:10.5px;letter-spacing:.1em}
  .brand-mark{width:30px;height:30px}
  .grid--2,
  .grid--3{grid-template-columns:minmax(0,1fr)}
  .section{padding:48px 0}
  .track-line{margin:34px 0}
  .card{padding:20px}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:8px}
  .prose h2{font-size:26px}
}

/* ---------- 16. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,
  .card:hover{transform:none}
  html[data-reveal-ready="true"] [data-reveal]{
    opacity:1;
    transform:none;
  }
}