/* ============================================================
   E尊国指南 · shared site kit  (/assets/site.css)
   母题：旧地图 / 指南针刻度 / 档案卡 / 印刷边框
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#0E2433;
  --ink-deep:#071620;
  --gold:#D8A24A;
  --gold-soft:#E8B96B;
  --orange:#E06A3C;
  --celadon:#6E9C8B;
  --paper:#F3EDE1;
  --stone:#B8B0A3;
  --moss:#6F7B58;
  --clay:#A9603F;
  --mist:#8FA3B0;
  --text-ink:#16232E;

  --font-head:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-num:"SFMono-Regular",ui-monospace,"Cascadia Mono","Consolas","Liberation Mono",monospace;

  --shell-w:1240px;
  --gutter:clamp(18px,4vw,48px);
  --radius-pill:999px;
  --radius-card:14px;

  --line-dark:rgba(184,176,163,.22);
  --line-light:rgba(22,35,46,.14);
  --shadow-float:0 18px 40px -22px rgba(7,22,32,.9);
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px;}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;height:auto;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;}
a{color:inherit;text-decoration:none;}
table{border-collapse:collapse;width:100%;}

/* ---------- 3. 中文排版与基础 ---------- */
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.16;
  color:inherit;
}
h1{font-size:clamp(40px,7vw,96px);}
h2{font-size:clamp(28px,4vw,46px);}
h3{font-size:clamp(20px,2.4vw,26px);}
h4{font-size:19px;}
p{margin-bottom:1em;}
p:last-child{margin-bottom:0;}
strong,b{font-weight:700;}
code,kbd,samp{font-family:var(--font-num);font-size:.92em;}
::selection{background:var(--gold);color:var(--ink-deep);}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
#main-content:focus{outline:none;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-head);font-weight:700;font-size:12px;
  letter-spacing:.18em;color:var(--gold);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--gold);}
.annotation{
  font-family:var(--font-head);font-size:12px;line-height:1.7;
  letter-spacing:.14em;color:var(--mist);
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.04em;}

/* ---------- 4. 布局容器 ---------- */
.container{
  width:100%;max-width:var(--shell-w);
  margin-inline:auto;padding-inline:var(--gutter);
}
.section{padding-block:clamp(44px,6vw,88px);}
.section--ink{background:var(--ink);color:var(--paper);}
.section--paper{
  background:var(--paper);color:var(--text-ink);
  border-block:1px solid var(--stone);
}
.section--paper h2,.section--paper h3{color:var(--text-ink);}
.grid{display:grid;gap:clamp(16px,2.4vw,28px);}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr));}
.grid--cards{grid-template-columns:repeat(auto-fill,minmax(255px,1fr));}
.stack{display:flex;flex-direction:column;gap:clamp(14px,2vw,24px);}

/* ---------- 5. Skip link ---------- */
.skip-link{
  position:fixed;left:16px;top:-120px;z-index:300;
  padding:11px 20px;border-radius:0 0 12px 12px;
  background:var(--gold);color:var(--ink-deep);
  font-family:var(--font-head);font-weight:900;font-size:14px;letter-spacing:.04em;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:0;}

/* ---------- 6. 头部：悬浮胶囊浮岛 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  padding:14px var(--gutter) 0;
  background:linear-gradient(to bottom,rgba(14,36,51,.94) 0%,rgba(14,36,51,.72) 62%,rgba(14,36,51,0) 100%);
}
.scroll-meter{
  position:fixed;top:0;left:0;width:100%;height:3px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--gold),var(--orange));
  pointer-events:none;z-index:140;
}
.header-shell{
  position:relative;
  max-width:var(--shell-w);margin-inline:auto;
  display:flex;align-items:center;gap:16px;
  padding:10px 14px 10px 18px;
  background:rgba(7,22,32,.94);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-float);
  backdrop-filter:blur(7px);
  transition:max-width .28s var(--ease),padding .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease);
}
.site-header.is-condensed{padding-top:8px;}
.site-header.is-condensed .header-shell{
  max-width:1082px;
  padding:6px 12px 6px 16px;
  border-color:rgba(216,162,74,.42);
  background:rgba(7,22,32,.98);
}

/* 品牌锁形 */
.brand-lockup{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 30% 24%,var(--gold-soft),var(--gold) 58%,#B9832F 100%);
  color:var(--ink-deep);font-family:var(--font-head);font-weight:900;font-size:15px;line-height:1;
  box-shadow:inset 0 0 0 1px rgba(7,22,32,.35);
}
.brand-text{display:flex;flex-direction:column;gap:3px;}
.brand-name{font-family:var(--font-head);font-weight:900;font-size:16px;line-height:1;letter-spacing:.01em;color:var(--paper);}
.brand-sub{font-family:var(--font-head);font-weight:400;font-size:11px;line-height:1;letter-spacing:.14em;color:var(--mist);}

/* 导航 */
.primary-nav{flex:1 1 auto;display:flex;justify-content:center;min-width:0;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-item{flex:0 0 auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 10px;border-radius:var(--radius-pill);
  font-family:var(--font-head);font-weight:700;font-size:13.5px;line-height:1;
  letter-spacing:.08em;color:rgba(243,237,225,.76);
  transition:color .18s var(--ease),background .18s var(--ease);
  white-space:nowrap;
}
.nav-link::before{
  content:"";width:12px;height:2px;flex:0 0 auto;
  background:var(--gold);opacity:.55;
  transition:width .18s var(--ease),opacity .18s var(--ease);
}
.nav-link:hover{color:var(--paper);background:rgba(216,162,74,.1);}
.nav-link:hover::before{opacity:1;width:16px;}
.nav-link[aria-current="page"]{color:var(--gold);background:rgba(216,162,74,.15);}
.nav-link[aria-current="page"]::before{opacity:1;width:18px;}

/* 右侧工具区 */
.header-utility{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(224,106,60,.42);
  font-family:var(--font-head);font-weight:700;font-size:12px;line-height:1;
  letter-spacing:.08em;color:var(--paper);white-space:nowrap;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.status-pill:hover{border-color:var(--orange);background:rgba(224,106,60,.14);}
.status-dot{
  width:8px;height:8px;border-radius:50%;background:var(--orange);
  box-shadow:0 0 0 0 rgba(224,106,60,.55);
  animation:statusPulse 2.6s var(--ease) infinite;
}
@keyframes statusPulse{
  0%{box-shadow:0 0 0 0 rgba(224,106,60,.5);}
  70%{box-shadow:0 0 0 7px rgba(224,106,60,0);}
  100%{box-shadow:0 0 0 0 rgba(224,106,60,0);}
}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-pill);
  background:var(--gold);color:var(--ink-deep);
  font-family:var(--font-head);font-weight:900;font-size:13px;line-height:1;
  letter-spacing:.06em;white-space:nowrap;
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.btn-cta:hover{background:var(--gold-soft);transform:translateY(-1px);}

/* 移动导航按钮 */
.nav-toggle{
  display:none;align-items:center;gap:8px;
  margin-left:auto;padding:9px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(216,162,74,.45);
  background:rgba(216,162,74,.12);color:var(--paper);
  font-family:var(--font-head);font-weight:700;font-size:12.5px;line-height:1;letter-spacing:.1em;
  cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{background:rgba(216,162,74,.22);}
.nav-toggle[aria-expanded="true"]{border-color:var(--gold);background:rgba(216,162,74,.26);}
.nav-toggle-icon{
  width:18px;height:10px;
  background:
    linear-gradient(var(--gold),var(--gold)) center top / 100% 2px no-repeat,
    linear-gradient(var(--gold),var(--gold)) center center / 100% 2px no-repeat,
    linear-gradient(var(--gold),var(--gold)) center bottom / 100% 2px no-repeat;
}

/* ---------- 7. 通用按钮 / 标签 / 卡片 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-family:var(--font-head);font-weight:700;font-size:13.5px;line-height:1;letter-spacing:.06em;
  cursor:pointer;
  transition:transform .16s var(--ease),background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn--gold{background:var(--gold);color:var(--ink-deep);}
.btn--gold:hover{background:var(--gold-soft);}
.btn--signal{background:var(--orange);color:var(--ink-deep);font-weight:900;}
.btn--signal:hover{background:#EE8055;}
.btn--outline{background:transparent;color:var(--paper);border-color:rgba(216,162,74,.55);}
.btn--outline:hover{border-color:var(--gold);background:rgba(216,162,74,.12);}
.btn--quiet{background:rgba(243,237,225,.09);color:var(--paper);}
.btn--quiet:hover{background:rgba(243,237,225,.16);}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-family:var(--font-head);font-weight:700;font-size:11.5px;line-height:1.3;letter-spacing:.08em;
}
.tag--gold{background:rgba(216,162,74,.18);color:#8A6118;border-color:rgba(216,162,74,.5);}
.tag--celadon{background:rgba(110,156,139,.2);color:#2F5A4B;border-color:rgba(110,156,139,.55);}
.tag--clay{background:rgba(169,96,63,.18);color:#7C3E24;border-color:rgba(169,96,63,.45);}
.tag--moss{background:rgba(111,123,88,.2);color:#4A5336;border-color:rgba(111,123,88,.5);}
.tag--signal{background:rgba(224,106,60,.18);color:#A03E17;border-color:rgba(224,106,60,.5);}
.tag--on-dark{background:rgba(216,162,74,.16);color:var(--gold-soft);border-color:rgba(216,162,74,.42);}

.card{
  position:relative;
  padding:20px 22px;
  background:var(--paper);color:var(--text-ink);
  border:1px solid var(--line-light);
  border-radius:var(--radius-card);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 32px -24px rgba(7,22,32,.95);}
.card--tilt{transform:rotate(-1.2deg);}
.card--tilt:hover{transform:rotate(-1.2deg) translateY(-4px);}
.card__meta{
  font-family:var(--font-num);font-weight:700;font-size:11px;line-height:1.4;
  letter-spacing:.12em;color:var(--clay);text-transform:uppercase;
}
.card__title{
  font-family:var(--font-head);font-weight:900;font-size:20px;line-height:1.32;
  margin:8px 0 6px;color:var(--text-ink);
}
.card__text{font-family:var(--font-body);font-size:15px;line-height:1.75;color:#3A4A56;}

/* ---------- 8. 面包屑 / 图片容器 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-head);font-size:12.5px;line-height:1.6;letter-spacing:.04em;
  color:var(--mist);
}
.breadcrumb a{color:var(--mist);transition:color .16s var(--ease);}
.breadcrumb a:hover{color:var(--gold);}
.breadcrumb [aria-current="page"]{color:var(--paper);}
.breadcrumb-sep{color:rgba(184,176,163,.55);}

.media-frame{
  position:relative;overflow:hidden;
  border-radius:var(--radius-card);
  border:1px solid rgba(184,176,163,.55);
  background:
    linear-gradient(135deg,rgba(216,162,74,.18),rgba(110,156,139,.18)),
    repeating-linear-gradient(45deg,rgba(243,237,225,.05) 0 2px,transparent 2px 12px);
  aspect-ratio:4 / 3;
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame::after{
  content:"";position:absolute;inset:10px;pointer-events:none;
  border:1px dashed rgba(243,237,225,.3);
  border-radius:calc(var(--radius-card) - 6px);
}
.media-frame--wide{aspect-ratio:16 / 9;}
.media-frame--tall{aspect-ratio:3 / 4;}
.media-caption{
  margin-top:8px;
  font-family:var(--font-head);font-size:12px;line-height:1.6;letter-spacing:.06em;
  color:var(--mist);
}
.section--paper .media-caption{color:#5C6B75;}
.section--paper .media-frame::after{border-color:rgba(22,35,46,.2);}

/* ---------- 9. 标签页（可访问分段切换） ---------- */
.tabs{display:flex;flex-direction:column;gap:18px;}
.tablist{
  display:flex;flex-wrap:wrap;gap:6px;padding:6px;
  border:1px solid var(--line-dark);border-radius:var(--radius-pill);
  background:rgba(243,237,225,.07);
}
.tab{
  padding:10px 16px;border-radius:var(--radius-pill);
  font-family:var(--font-head);font-weight:700;font-size:13px;line-height:1;letter-spacing:.06em;
  color:rgba(243,237,225,.72);cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.tab:hover{background:rgba(243,237,225,.1);color:var(--paper);}
.tab[aria-selected="true"]{background:var(--gold);color:var(--ink-deep);}
.tabpanel[hidden]{display:none;}
.section--paper .tablist{background:rgba(22,35,46,.06);border-color:var(--line-light);}
.section--paper .tab{color:#3E4E59;}
.section--paper .tab[aria-selected="true"]{background:var(--ink);color:var(--paper);}

/* ---------- 10. 滚动显现 ---------- */
html.js [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
html.js [data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- 11. 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  padding:clamp(40px,6vw,76px) var(--gutter) 26px;
  background:var(--ink-deep);
  border-top:1px solid var(--line-dark);
  color:rgba(243,237,225,.78);
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:6px;
  background:repeating-linear-gradient(90deg,rgba(216,162,74,.55) 0 1px,transparent 1px 26px);
  opacity:.7;
}
.site-footer::after{
  content:"";position:absolute;right:-90px;bottom:-120px;
  width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(216,162,74,.16);
  box-shadow:0 0 0 40px rgba(216,162,74,.04),0 0 0 90px rgba(216,162,74,.03);
  pointer-events:none;
}
.footer-shell{position:relative;z-index:1;max-width:var(--shell-w);margin-inline:auto;}

.footer-top{
  display:grid;grid-template-columns:1.1fr 1.65fr;
  gap:clamp(26px,5vw,64px);
  padding-bottom:clamp(24px,3vw,34px);
  border-bottom:1px solid rgba(184,176,163,.16);
}
.footer-brand{display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.footer-brand-name{
  font-family:var(--font-head);font-weight:900;font-size:clamp(22px,3vw,28px);line-height:1.1;
  letter-spacing:-.01em;color:var(--paper);
}
.footer-tagline{font-family:var(--font-body);font-size:15px;line-height:1.75;color:var(--mist);}
.footer-note{font-family:var(--font-head);font-size:13px;line-height:1.85;color:rgba(184,176,163,.85);}
.footer-hint{margin-top:2px;}

.footer-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-col-title{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-head);font-weight:700;font-size:11.5px;line-height:1;letter-spacing:.16em;
  color:var(--gold);
}
.footer-col-title::before{content:"";width:12px;height:2px;background:var(--gold);}
.footer-list{display:grid;gap:8px;}
.footer-link{
  display:inline-block;
  font-family:var(--font-head);font-size:14.5px;line-height:1.6;letter-spacing:.02em;
  color:rgba(243,237,225,.8);
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.footer-link:hover{color:var(--gold);border-bottom-color:rgba(216,162,74,.55);}
.footer-link--hint{
  font-size:12.5px;letter-spacing:.06em;color:var(--gold);
  border-bottom:1px dashed rgba(216,162,74,.5);
}

.footer-contact{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:14px 28px;
  padding:clamp(20px,3vw,28px) 0;
  border-bottom:1px solid rgba(184,176,163,.16);
}
.contact-item{display:flex;flex-direction:column;gap:5px;}
.contact-label{
  font-family:var(--font-head);font-weight:700;font-size:11px;line-height:1;letter-spacing:.14em;
  color:var(--mist);
}
.contact-value{
  font-family:var(--font-head);font-size:14.5px;line-height:1.6;color:var(--paper);
  word-break:break-word;
}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 18px;
  padding-top:20px;
  font-family:var(--font-head);font-size:12.5px;line-height:1.7;color:var(--mist);
}
.footer-copy,.footer-icp{margin:0;}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px;}
.legal-link{
  color:var(--mist);
  border-bottom:1px dotted rgba(143,163,176,.6);
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.legal-link:hover{color:var(--gold);border-bottom-color:rgba(216,162,74,.6);}

/* ---------- 12. 响应式：平板与手机 ---------- */
@media (max-width:1100px){
  .site-header{padding:10px var(--gutter) 0;}
  html{scroll-padding-top:88px;}
  .header-shell{flex-wrap:wrap;border-radius:22px;padding:10px 12px 10px 16px;gap:10px;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .header-utility{display:none;}
  .primary-nav{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    display:none;flex-direction:column;
    padding:10px;
    background:var(--ink-deep);
    border:1px solid rgba(216,162,74,.32);
    border-radius:20px;
    box-shadow:var(--shadow-float);
  }
  .primary-nav[data-open]{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;width:100%;gap:2px;}
  .nav-link{width:100%;padding:13px 14px;border-radius:12px;font-size:14px;}
  .nav-link::before{width:14px;}
  .nav-link[aria-current="page"]::before{width:20px;}
}

@media (max-width:860px){
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px;}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr));}
}

@media (max-width:560px){
  .brand-sub{display:none;}
  .brand-mark{width:30px;height:30px;font-size:13px;}
  .brand-name{font-size:15px;}
  .nav-toggle{padding:9px 12px;font-size:12px;}
  .footer-nav{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .footer-legal{gap:12px;}
  .grid--12{grid-template-columns:repeat(2,minmax(0,1fr));}
  .media-frame{aspect-ratio:5 / 4;}
}

/* ---------- 13. 降低动效 ---------- */
@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;
  }
  html.js [data-reveal]{opacity:1;transform:none;}
  .status-dot{animation:none;box-shadow:none;}
  .card--tilt,.card--tilt:hover{transform:none;}
  .btn:hover,.btn-cta:hover,.card:hover{transform:none;}
}