/* =========================================================
   易丰娱乐 · 信息驿站共享样式 /assets/site.css
   暖纸岩层底 + 木牌深棕 + 朱砂双入口
   ========================================================= */

/* ---------- 1. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ol,ul,dl,dt,dd,figure,blockquote{margin:0;padding:0}
ol,ul{list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}

/* ---------- 2. 变量 ---------- */
:root{
  --paper:#F6EBDD;
  --sand:#E7D3B8;
  --rock:#C7A47A;
  --gold:#B07A32;
  --gold-lite:#D9A765;
  --ochre:#8A4F2A;
  --wood:#4A2F1C;
  --ink:#241A12;
  --jade:#2F6B5E;
  --cinnabar:#C6392B;
  --cinnabar-deep:#A82E22;
  --warm-white:#FFFCF5;
  --mist:#6D7B72;

  --line:rgba(36,26,18,.14);
  --line-strong:rgba(36,26,18,.30);
  --line-paper:rgba(246,235,221,.22);

  --font-display:"Noto Serif SC","Songti SC","STSong",serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;

  --rail-w:252px;
  --wrap:1180px;
  --gap:clamp(16px,2.4vw,32px);
}

/* ---------- 3. 基础排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    repeating-linear-gradient(90deg, rgba(36,26,18,.045) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(36,26,18,.028) 0 1px, transparent 1px 88px);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.22;
  letter-spacing:.01em;
}
h1{font-size:clamp(30px,5vw,60px)}
h2{font-size:clamp(24px,3.2vw,38px)}
h3{font-size:clamp(19px,2.2vw,24px)}
h4{font-size:clamp(16px,1.8vw,19px)}
p{max-width:68ch}
.mono{font-family:var(--font-mono);font-size:.92em;letter-spacing:.02em}

.link-underline{
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 1px;
  padding-bottom:1px;
  transition:background-size .22s ease,color .22s ease;
}
.link-underline:hover,.link-underline:focus-visible{background-size:100% 1px;color:var(--jade)}

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

/* ---------- 4. 跳转链接 ---------- */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  transform:translateY(-180%);
  display:inline-block;
  padding:10px 16px;
  background:var(--wood);color:var(--warm-white);
  border:1px solid var(--gold);
  font-size:14px;font-weight:700;letter-spacing:.04em;
  transition:transform .2s ease;
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 5. 头部：移动顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:linear-gradient(180deg,rgba(246,235,221,.99),rgba(246,235,221,.9));
  border-bottom:1px solid var(--line);
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{
  background:var(--paper);
  border-bottom-color:var(--line-strong);
  box-shadow:0 8px 18px -16px rgba(36,26,18,.9);
}
.header-rail{
  position:relative;
  display:flex;align-items:center;gap:10px;
  width:100%;max-width:1240px;margin:0 auto;
  padding:9px 14px;
}

/* 品牌 */
.rail-brand{order:1;flex:1 1 auto;min-width:0}
.brand-link{display:flex;align-items:center;gap:9px;min-height:44px}
.brand-seal{
  display:grid;place-items:center;
  width:34px;height:34px;flex:0 0 34px;
  background:var(--cinnabar);color:var(--warm-white);
  font-family:var(--font-display);font-size:18px;font-weight:800;line-height:1;
  box-shadow:inset 0 0 0 3px rgba(255,252,245,.22),inset 0 0 0 4px rgba(0,0,0,.12);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-name{
  font-family:var(--font-display);
  font-size:17px;font-weight:800;letter-spacing:.06em;
  white-space:nowrap;
}
.brand-sub{
  display:none;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  color:var(--ochre);white-space:nowrap;
}

/* 目录按钮 */
.nav-toggle{
  order:3;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  min-width:44px;min-height:44px;padding:0 12px;
  border:1px solid var(--line-strong);background:var(--warm-white);
  color:var(--ink);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-toggle-label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
}
.nav-toggle-bar{
  position:relative;display:block;width:15px;height:1.5px;
  background:var(--ink);
  transition:background .2s ease;
}
.nav-toggle-bar::before,
.nav-toggle-bar::after{
  content:"";position:absolute;left:0;width:15px;height:1.5px;
  background:inherit;
  transition:transform .22s ease,top .22s ease;
}
.nav-toggle-bar::before{top:-5px}
.nav-toggle-bar::after{top:5px}
.nav-toggle:hover{background:var(--sand)}
.nav-toggle[aria-expanded="true"]{
  background:var(--cinnabar);border-color:var(--cinnabar);color:var(--warm-white);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar{background:var(--warm-white)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after{top:0;transform:rotate(-45deg)}

/* 抽屉导航 */
.site-nav{
  order:5;
  position:fixed;top:0;right:0;bottom:0;left:auto;
  z-index:80;
  width:min(86vw,340px);
  padding:18px 18px 32px;
  background:var(--warm-white);
  border-left:1px solid var(--line-strong);
  overflow-y:auto;
  visibility:hidden;
  transform:translateX(102%);
  transition:transform .28s ease,visibility .28s ease;
}
.site-nav[data-open="true"]{visibility:visible;transform:translateX(0)}
html.nav-open{overflow:hidden}

.nav-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:12px;margin-bottom:10px;
  border-bottom:1px solid var(--line);
}
.nav-head-title{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--ochre);
}
.nav-close{
  min-height:36px;padding:6px 12px;
  border:1px solid var(--line-strong);
  font-size:12px;font-weight:700;letter-spacing:.1em;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.nav-close:hover{background:var(--sand);border-color:var(--ochre)}

.nav-list{display:flex;flex-direction:column;gap:2px}
.nav-link{
  display:flex;align-items:center;gap:10px;
  min-height:46px;padding:8px 12px;
  border-left:2px solid transparent;
  font-size:15px;color:var(--ink);
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.nav-num{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--gold);min-width:20px;
}
.nav-label{letter-spacing:.04em}
.nav-link:hover{background:var(--sand);border-left-color:var(--gold)}
.nav-link:focus-visible{outline-offset:-2px}
.nav-link[aria-current="page"]{
  background:var(--sand);
  border-left-color:var(--gold);
  font-weight:700;
}
.nav-link[aria-current="page"] .nav-num{color:var(--ochre)}

/* 朱砂双入口 */
.rail-actions{
  order:2;flex:0 0 auto;
  display:flex;align-items:center;gap:6px;
  margin-left:auto;
}
.rail-action{
  display:flex;flex-direction:column;justify-content:center;gap:1px;
  min-height:44px;padding:5px 10px;
  background:var(--cinnabar);color:var(--warm-white);
  border:1px solid rgba(36,26,18,.20);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.rail-action-label{
  font-size:12px;font-weight:700;line-height:1.15;
  letter-spacing:.02em;white-space:nowrap;
}
.rail-action-kicker{
  display:none;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;
  color:rgba(255,252,245,.72);
}
.rail-action:hover{background:var(--cinnabar-deep);transform:translateY(-1px)}
.rail-action:focus-visible{outline-color:var(--ink)}

.rail-hours{display:none}

/* 卷轴进度线 */
.scroll-progress{
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background:rgba(36,26,18,.08);
  pointer-events:none;
}
.scroll-progress-fill{
  display:block;width:100%;height:100%;
  background:var(--gold);
  transform:scaleX(var(--sp,0));
  transform-origin:left center;
}

/* ---------- 6. 头部：桌面招牌柱 ---------- */
@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
  .site-header{
    position:fixed;top:0;left:0;bottom:0;
    width:var(--rail-w);height:100vh;height:100dvh;
    border-bottom:0;border-right:1px solid var(--line-strong);
    background:linear-gradient(180deg,#F9F1E5 0%,var(--paper) 42%,var(--sand) 100%);
    box-shadow:none;
  }
  .site-header.is-scrolled{
    background:linear-gradient(180deg,var(--paper) 0%,#EFDFC9 100%);
    box-shadow:10px 0 26px -22px rgba(36,26,18,.95);
  }
  .header-rail{
    flex-direction:column;align-items:stretch;
    gap:0;
    width:100%;max-width:none;height:100%;
    padding:20px 18px 16px;
  }
  .rail-brand{padding-bottom:16px;border-bottom:1px solid var(--line-strong)}
  .brand-link{min-height:0;gap:11px}
  .brand-seal{width:44px;height:44px;flex-basis:44px;font-size:22px}
  .brand-name{font-size:20px}
  .brand-sub{display:block}

  .nav-toggle{display:none}

  .site-nav{
    position:static;order:2;
    flex:1 1 auto;
    width:auto;height:auto;
    visibility:visible;transform:none;
    overflow:visible;
    padding:16px 0 0;
    background:none;border:0;
  }
  .nav-head,.nav-close{display:none}
  .nav-list{gap:0}

  .rail-actions{
    order:3;
    flex-direction:column;align-items:stretch;gap:8px;
    margin:18px 0 0;margin-top:auto;
  }
  .rail-action{padding:10px 14px;min-height:52px;box-shadow:inset 3px 0 0 rgba(255,252,245,.42)}
  .rail-action-kicker{display:block}
  .rail-action-label{font-size:14px;letter-spacing:.04em}

  .rail-hours{
    order:4;display:block;
    margin-top:14px;padding-top:12px;
    border-top:1px solid var(--line);
    font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
    color:var(--mist);
  }

  .scroll-progress{left:auto;top:0;bottom:0;right:0;width:2px;height:auto}
  .scroll-progress-fill{transform:scaleY(var(--sp,0));transform-origin:top center}
}

/* ---------- 7. 页脚：木牌柜台 ---------- */
.site-footer{
  position:relative;
  background:var(--wood);
  color:var(--paper);
}
.site-footer::before{
  content:"";display:block;height:4px;
  background:linear-gradient(90deg,var(--gold) 0%,var(--ochre) 56%,var(--cinnabar) 100%);
}
.footer-inner{
  width:100%;max-width:var(--wrap);
  margin:0 auto;
  padding:clamp(32px,5vw,56px) 20px calc(26px + env(safe-area-inset-bottom,0px));
}
@media (min-width:768px){.footer-inner{padding-left:32px;padding-right:32px}}

.footer-head{
  display:grid;gap:16px;
  padding-bottom:24px;
  border-bottom:1px solid var(--line-paper);
}
.footer-brand{
  font-family:var(--font-display);
  font-size:clamp(24px,4vw,34px);
  font-weight:800;letter-spacing:.08em;
  color:var(--warm-white);
  line-height:1.2;
}
.footer-tagline{
  margin-top:8px;
  font-size:15px;line-height:1.75;
  color:rgba(246,235,221,.78);
  max-width:34ch;
}
.footer-stamp{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  line-height:1.9;color:var(--gold-lite);
}

.footer-grid{
  display:grid;gap:26px;
  padding:28px 0;
  border-bottom:1px solid var(--line-paper);
}
.footer-col-title{
  position:relative;
  margin-bottom:12px;padding-left:11px;
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.2em;color:var(--gold-lite);
}
.footer-col-title::before{
  content:"";position:absolute;left:0;top:.35em;
  width:3px;height:12px;background:var(--gold);
}
.footer-links{display:grid;gap:2px}
.footer-link{
  display:inline-block;
  padding:4px 0;min-height:34px;
  font-size:15px;line-height:1.8;
  color:rgba(246,235,221,.86);
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer-link:hover,.footer-link:focus-visible{color:var(--warm-white);border-bottom-color:var(--gold-lite)}

.footer-contact{display:grid;gap:10px}
.footer-contact-row{
  display:grid;gap:2px;
  padding-bottom:10px;
  border-bottom:1px dashed rgba(246,235,221,.16);
}
.footer-contact-row:last-child{border-bottom:0;padding-bottom:0}
.footer-contact-key{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--gold-lite);
}
.footer-contact-value{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:15px;line-height:1.7;color:var(--warm-white);
}
.copy-btn{
  min-height:28px;padding:2px 10px;
  border:1px solid rgba(246,235,221,.36);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:rgba(246,235,221,.86);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.copy-btn:hover{background:var(--cinnabar);border-color:var(--cinnabar);color:var(--warm-white)}
.copy-btn[data-copied="true"]{background:var(--jade);border-color:var(--jade);color:var(--warm-white)}
.footer-note{
  margin-top:14px;
  font-size:12.5px;line-height:1.8;max-width:44ch;
  color:rgba(246,235,221,.62);
}
.footer-copy-status{
  min-height:1.5em;margin-top:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--gold-lite);
}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;margin-top:24px;padding-top:20px;
  border-top:1px solid var(--line-paper);
}
.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;
  color:rgba(246,235,221,.62);
}
.footer-sep{color:var(--rock)}
.to-top{
  min-height:40px;padding:8px 16px;
  border:1px solid rgba(246,235,221,.36);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--paper);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.to-top:hover{background:var(--gold);border-color:var(--gold);color:var(--wood)}
.site-footer :focus-visible{outline-color:var(--gold-lite)}

@media (min-width:640px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 32px}
  .footer-col--contact{grid-column:1 / -1}
}
@media (min-width:768px){
  .footer-head{grid-template-columns:1fr auto;align-items:end}
  .footer-stamp{text-align:right}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr 1.5fr}
  .footer-col--contact{grid-column:auto}
}

/* ---------- 8. 通用容器与章节 ---------- */
.wrap{
  width:100%;max-width:var(--wrap);
  margin:0 auto;padding:0 20px;
}
@media (min-width:768px){.wrap{padding:0 32px}}

.section{
  position:relative;
  padding:clamp(44px,6.5vw,92px) 0;
}
.section--sand{background:var(--sand)}
.section--white{background:var(--warm-white)}
.section--wood{background:var(--wood);color:var(--paper)}
.section--wood h1,.section--wood h2,.section--wood h3{color:var(--warm-white)}

.section-head{
  display:grid;gap:8px;
  margin-bottom:clamp(22px,3vw,40px);
  padding-top:14px;
  border-top:1px solid var(--line-strong);
}
.section--wood .section-head{border-top-color:var(--line-paper)}
.section-num{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.24em;
  color:var(--gold);
}
.eyebrow{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ochre);
}
.section--wood .eyebrow{color:var(--gold-lite)}
.section-title{max-width:24ch}
.lede{
  font-size:clamp(16px,1.5vw,18px);
  line-height:1.85;color:rgba(36,26,18,.84);
  max-width:62ch;
}
.section--wood .lede{color:rgba(246,235,221,.84)}

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

/* ---------- 9. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:12px 22px;
  border:1px solid var(--ink);background:var(--ink);color:var(--warm-white);
  font-size:15px;font-weight:700;letter-spacing:.03em;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn--cinnabar{background:var(--cinnabar);border-color:var(--cinnabar);color:var(--warm-white)}
.btn--cinnabar:hover{background:var(--cinnabar-deep);border-color:var(--cinnabar-deep)}
.btn--gold{background:var(--gold);border-color:var(--gold);color:var(--warm-white)}
.btn--gold:hover{background:var(--ochre);border-color:var(--ochre)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn--ghost:hover{background:var(--sand);border-color:var(--ochre)}
.btn--block{width:100%}

/* ---------- 10. 面包屑 ---------- */
.crumbs{
  padding-top:18px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--mist);
}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:7px}
.crumb-item{display:flex;align-items:center;gap:7px}
.crumb-link{color:var(--mist);transition:color .18s ease}
.crumb-link:hover,.crumb-link:focus-visible{color:var(--jade)}
.crumb-sep{color:var(--rock)}
.crumb-current{color:var(--ink);font-weight:700}

/* ---------- 11. 面板与账本 ---------- */
.panel{
  background:var(--warm-white);
  border:1px solid var(--line);
  padding:clamp(18px,2.4vw,28px);
}
.panel--sand{background:var(--sand);border-color:var(--line-strong)}
.panel--wood{
  background:var(--wood);color:var(--paper);
  border-color:rgba(246,235,221,.22);
}
.panel--wood h3,.panel--wood h4{color:var(--warm-white)}

.ledger{
  border:1px solid var(--line-strong);
  background:var(--warm-white);
}
.ledger-row{
  display:grid;gap:3px;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
}
.ledger-row:last-child{border-bottom:0}
.ledger-key{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;
  color:var(--ochre);
}
.ledger-value{font-size:15px;line-height:1.7}

/* ---------- 12. 标记与状态 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;
  border:1px solid var(--line-strong);
  background:rgba(255,252,245,.62);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:var(--ochre);
}
.tag--jade{color:var(--jade);border-color:rgba(47,107,94,.45);background:rgba(47,107,94,.09)}
.tag--cinnabar{color:var(--cinnabar);border-color:rgba(198,57,43,.45);background:rgba(198,57,43,.09)}
.status-dot{
  display:inline-block;width:7px;height:7px;flex:0 0 7px;
  background:var(--jade);
}

/* ---------- 13. 网格 ---------- */
.grid{display:grid;gap:var(--gap)}
.grid--2,.grid--3{grid-template-columns:1fr}
@media (min-width:720px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* ---------- 14. 图片容器 ---------- */
.frame{
  position:relative;display:block;width:100%;
  overflow:hidden;
  background:var(--sand);
  border:1px solid var(--line-strong);
}
.frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 0 5px rgba(255,252,245,.16);
}
.frame__img,.frame img,.frame picture{
  display:block;width:100%;height:100%;
  object-fit:cover;
}
.frame--wide{aspect-ratio:16 / 9}
.frame--photo{aspect-ratio:4 / 3}
.frame--tall{aspect-ratio:3 / 4}
.frame--square{aspect-ratio:1 / 1}
@media (max-width:719px){
  .frame--tall{aspect-ratio:4 / 5}
}
.media-caption{
  margin-top:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--mist);
}

/* ---------- 15. 滚动显现 ---------- */
.js [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity .55s ease,transform .55s ease;
}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 16. 减少动态 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .rail-action:hover,.btn:hover{transform:none}
}