/* ===========================================================
   财神棋牌888 · /assets/site.css
   共享外壳：变量 / reset / 中文排版 / 头部 / 页脚 / 通用组件
   =========================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --c-red:#C8102E;
  --c-red-dark:#7A1222;
  --c-gold:#C99A3D;
  --c-gold-bright:#FFD76A;
  --c-ink:#121212;
  --c-jade:#F7F3EA;
  --c-slate:#6E7A7C;
  --c-paper:#EFE0B8;
  --c-char:#2B2B2B;
  --c-teal:#2F6F6A;

  --rail-w:264px;
  --edge:clamp(18px,4vw,60px);
  --hair:1px solid rgba(201,154,61,.42);
  --shadow-soft:0 20px 44px -30px rgba(18,18,18,.75);
  --ease:cubic-bezier(.22,.61,.36,1);

  --font-head:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","Noto Serif",serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:84px;
}
body{margin:0;}
img,picture,svg,video{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--c-gold-bright);outline-offset:3px;}

/* ---------- 3. 页面基底与中文排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--c-jade);
  background-image:
    radial-gradient(1100px 560px at 108% -8%, rgba(200,16,46,.07), transparent 62%),
    radial-gradient(900px 520px at -12% 108%, rgba(201,154,61,.12), transparent 66%);
  background-repeat:no-repeat;
  color:var(--c-ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:900;line-height:1.12;letter-spacing:-.012em;color:var(--c-ink);}
h1{font-size:clamp(2.35rem,5.4vw,4.4rem);}
h2{font-size:clamp(1.85rem,3.3vw,2.7rem);}
h3{font-size:clamp(1.2rem,2vw,1.66rem);font-weight:800;}
h4{font-size:clamp(1.02rem,1.4vw,1.16rem);font-weight:800;letter-spacing:.01em;}
strong,b{font-weight:700;}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- 4. 版心与节奏 ---------- */
.container{width:100%;max-width:1180px;margin-inline:auto;padding-inline:var(--edge);}
.container--narrow{max-width:820px;}
.section{padding-block:clamp(48px,7vw,96px);}
.rule{height:1px;border:0;background:linear-gradient(90deg,var(--c-gold),rgba(201,154,61,0));margin-block:clamp(26px,4vw,46px);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;font-weight:600;
  letter-spacing:.24em;text-transform:uppercase;color:var(--c-red);
}
.eyebrow::before{content:"";display:block;width:24px;height:2px;background:var(--c-red);}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  padding:.72em 1.35em;
  font-family:var(--font-body);font-size:14px;font-weight:700;letter-spacing:.06em;
  border:1px solid transparent;border-radius:2px;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn--primary{background:var(--c-red);color:#fff;border-color:rgba(255,215,106,.4);}
.btn--primary:hover{background:var(--c-red-dark);}
.btn--gold{background:var(--c-gold);color:var(--c-ink);border-color:rgba(122,18,34,.3);}
.btn--gold:hover{background:var(--c-gold-bright);}
.btn--ghost{background:transparent;color:var(--c-paper);border-color:rgba(201,154,61,.6);}
.btn--ghost:hover{color:var(--c-gold-bright);border-color:var(--c-gold-bright);background:rgba(201,154,61,.1);}

/* ---------- 6. 跳转链 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:300;
  padding:10px 18px;
  background:var(--c-gold-bright);color:var(--c-ink);
  font-size:14px;font-weight:700;letter-spacing:.06em;
  border-radius:2px;
  transform:translateY(-180%);
  transition:transform .22s var(--ease);
}
.skip-link:focus{transform:translateY(0);}

/* ---------- 7. 头部：移动端命令栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background-color:var(--c-ink);
  background-image:repeating-linear-gradient(118deg,rgba(201,154,61,.10) 0 1px,transparent 1px 9px);
  color:var(--c-jade);
  border-bottom:1px solid rgba(201,154,61,.3);
}
.site-header__bar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px clamp(14px,4vw,24px);
  border-bottom:1px solid rgba(201,154,61,.22);
}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0;}
.brand__seal{
  display:grid;place-items:center;flex:0 0 auto;
  width:40px;height:40px;
  background:var(--c-red);color:var(--c-paper);
  font-family:var(--font-head);font-weight:900;font-size:20px;line-height:1;
  box-shadow:inset 0 0 0 1px rgba(255,215,106,.55);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%);
}
.brand__text{display:block;min-width:0;}
.brand__name{
  display:block;font-family:var(--font-head);font-weight:900;
  font-size:19px;line-height:1.16;letter-spacing:.03em;color:var(--c-jade);
}
.brand__line{
  display:block;margin-top:2px;
  font-size:10.5px;line-height:1.4;letter-spacing:.24em;
  text-transform:uppercase;color:rgba(239,224,184,.72);
}
.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;flex:0 0 auto;
  padding:9px 12px;
  border:1px solid rgba(201,154,61,.55);
  color:var(--c-paper);
  font-size:11.5px;font-weight:700;letter-spacing:.2em;
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,0 100%);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.nav-toggle:hover{color:var(--c-gold-bright);border-color:var(--c-gold-bright);background:rgba(201,154,61,.1);}
.nav-toggle__bars{display:grid;gap:4px;width:16px;}
.nav-toggle__bars span{display:block;height:2px;background:currentColor;border-radius:1px;transition:transform .26s var(--ease),opacity .18s var(--ease);}
.site-header[data-open="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-header[data-open="true"] .nav-toggle__bars span:nth-child(2){opacity:0;}
.site-header[data-open="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-toggle__label{display:inline-block;}

/* ---------- 8. 头部：竖向栏目索引 ---------- */
.site-nav{
  display:flex;flex-direction:column;
  max-height:0;overflow:hidden;opacity:0;
  background-color:var(--c-ink);
  transition:max-height .4s var(--ease),opacity .28s var(--ease);
}
.site-header[data-open="true"] .site-nav{max-height:min(660px,72vh);overflow-y:auto;opacity:1;}
.site-nav__title{
  padding:16px clamp(14px,4vw,24px) 8px;
  font-family:var(--font-mono);font-size:11px;font-weight:600;
  letter-spacing:.28em;text-transform:uppercase;color:var(--c-gold);
}
.site-nav__list{display:flex;flex-direction:column;}
.site-nav__link{
  position:relative;display:flex;align-items:baseline;gap:14px;
  padding:12px clamp(14px,4vw,24px);
  border-top:1px solid rgba(201,154,61,.14);
  color:rgba(247,243,234,.86);
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.site-nav__link:hover{color:var(--c-gold-bright);background:rgba(201,154,61,.1);}
.site-nav__link[aria-current="page"]{
  color:#fff;
  background:linear-gradient(90deg,rgba(200,16,46,.55),rgba(200,16,46,0));
}
.site-nav__link[aria-current="page"]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-gold-bright);
}
.site-nav__idx{
  flex:0 0 auto;font-family:var(--font-mono);font-size:11px;font-weight:600;
  letter-spacing:.08em;color:var(--c-gold);
}
.site-nav__link[aria-current="page"] .site-nav__idx{color:var(--c-gold-bright);}
.site-nav__label{font-family:var(--font-head);font-weight:800;font-size:16px;letter-spacing:.05em;}
.site-nav__status{
  display:flex;align-items:flex-start;gap:10px;
  padding:15px clamp(14px,4vw,24px);
  border-top:var(--hair);
}
.status-dot{
  flex:0 0 auto;width:8px;height:8px;margin-top:7px;border-radius:50%;
  background:var(--c-gold-bright);
  animation:statusPulse 2.8s ease-in-out infinite;
}
@keyframes statusPulse{
  0%,100%{box-shadow:0 0 0 0 rgba(255,215,106,.45);}
  50%{box-shadow:0 0 0 6px rgba(255,215,106,0);}
}
.site-nav__status-text{font-size:12px;line-height:1.62;letter-spacing:.02em;color:rgba(239,224,184,.84);}
.site-nav__cta{display:grid;gap:10px;padding:0 clamp(14px,4vw,24px) 22px;}
.site-nav__cta .btn{width:100%;}

/* ---------- 9. 头部：桌面固定牌桌边栏 ---------- */
@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;
    display:flex;flex-direction:column;
    border-bottom:0;border-right:1px solid rgba(201,154,61,.32);
    box-shadow:16px 0 46px -38px rgba(0,0,0,.95);
  }
  .site-header__bar{
    flex-direction:column;align-items:flex-start;gap:16px;
    padding:26px 22px 20px;
    border-bottom:1px solid rgba(201,154,61,.24);
  }
  .nav-toggle{display:none;}
  .site-nav{max-height:none;opacity:1;overflow-y:auto;flex:1 1 auto;min-height:0;transition:none;}
  .site-nav__title{padding:18px 22px 8px;}
  .site-nav__link{padding:11px 22px;}
  .site-nav__status{padding:14px 22px;margin-top:auto;}
  .site-nav__cta{padding:0 22px 24px;}
}

/* ---------- 10. 页脚 ---------- */
.site-footer{
  margin-top:clamp(56px,8vw,104px);
  background-color:var(--c-ink);
  background-image:
    radial-gradient(760px 320px at 88% 0%, rgba(200,16,46,.22), transparent 68%),
    repeating-linear-gradient(118deg,rgba(201,154,61,.07) 0 1px,transparent 1px 11px);
  color:rgba(247,243,234,.82);
  border-top:3px solid var(--c-red);
}
.site-footer__inner{
  display:grid;gap:34px;
  width:100%;max-width:1180px;margin-inline:auto;
  padding:clamp(38px,6vw,72px) var(--edge) 34px;
}
@media (min-width:768px){
  .site-footer__inner{grid-template-columns:1.4fr 1fr 1.1fr;gap:44px;}
}
.site-footer__brand{min-width:0;}
.site-footer__seal{
  display:grid;place-items:center;width:44px;height:44px;margin-bottom:14px;
  background:var(--c-red);color:var(--c-paper);
  font-family:var(--font-head);font-weight:900;font-size:21px;line-height:1;
  box-shadow:inset 0 0 0 1px rgba(255,215,106,.55);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%);
}
.site-footer__title{
  font-family:var(--font-head);font-weight:900;font-size:19px;line-height:1.3;
  letter-spacing:.04em;color:var(--c-jade);
}
.site-footer__note{margin-top:10px;font-size:13.5px;line-height:1.76;color:rgba(239,224,184,.74);max-width:34ch;}
.site-footer__meta{margin-top:14px;font-size:12px;letter-spacing:.1em;color:var(--c-gold);}
.site-footer__nav,.site-footer__contact{min-width:0;}
.site-footer__col-title{
  margin-bottom:14px;padding-bottom:10px;
  font-family:var(--font-mono);font-size:11px;font-weight:600;
  letter-spacing:.26em;text-transform:uppercase;color:var(--c-gold);
  border-bottom:1px solid rgba(201,154,61,.3);
}
.site-footer__list{display:grid;gap:9px;}
.site-footer__link{
  display:inline-block;font-size:14px;letter-spacing:.03em;
  color:rgba(247,243,234,.8);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.site-footer__link:hover{color:var(--c-gold-bright);transform:translateX(3px);}
.site-footer__contact-item{display:grid;gap:3px;}
.site-footer__contact-label{font-size:11px;letter-spacing:.2em;color:rgba(201,154,61,.9);}
.site-footer__contact-value{font-size:14px;line-height:1.6;color:rgba(247,243,234,.88);word-break:break-word;}
.copy-btn{
  justify-self:start;margin-top:6px;padding:4px 12px;
  border:1px solid rgba(201,154,61,.55);color:var(--c-paper);
  font-size:11.5px;font-weight:700;letter-spacing:.14em;
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,0 100%);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.copy-btn:hover{color:var(--c-gold-bright);border-color:var(--c-gold-bright);background:rgba(201,154,61,.12);}
.copy-btn[data-copied="true"]{color:var(--c-gold-bright);border-color:var(--c-gold-bright);background:rgba(255,215,106,.14);}
.site-footer__base{
  display:flex;flex-wrap:wrap;gap:6px 26px;justify-content:space-between;
  width:100%;max-width:1180px;margin-inline:auto;
  padding:18px var(--edge) 28px;
  border-top:1px solid rgba(201,154,61,.24);
}
.site-footer__copy{font-size:12.5px;letter-spacing:.06em;color:rgba(239,224,184,.6);}

/* ---------- 11. 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--c-slate);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--c-gold);}
.breadcrumb a{transition:color .18s var(--ease);}
.breadcrumb a:hover{color:var(--c-red);}

/* ---------- 12. 网格与卡片 ---------- */
.grid{display:grid;gap:clamp(18px,2.6vw,32px);}
.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:1080px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
}
.card{
  position:relative;
  padding:clamp(20px,3vw,32px);
  background:#fff;
  border:1px solid rgba(201,154,61,.4);
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-soft);border-color:rgba(201,154,61,.8);}
.card--dark{background:var(--c-ink);color:var(--c-jade);border-color:rgba(201,154,61,.5);}
.card--dark h2,.card--dark h3,.card--dark h4{color:var(--c-jade);}
.card--paper{background:var(--c-paper);color:var(--c-ink);border-color:rgba(201,154,61,.6);}

/* ---------- 13. 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;
  font-size:12px;font-weight:600;letter-spacing:.05em;
  background:rgba(110,122,124,.14);color:#4a5456;
  border:1px solid rgba(110,122,124,.30);border-radius:2px;
}
.tag--red{background:rgba(200,16,46,.1);color:var(--c-red);border-color:rgba(200,16,46,.32);}
.tag--gold{background:rgba(201,154,61,.18);color:#795a16;border-color:rgba(201,154,61,.5);}
.tag--ok{background:rgba(47,111,106,.14);color:var(--c-teal);border-color:rgba(47,111,106,.42);}

/* ---------- 14. 图片容器基础（页面阶段放占位/实图） ---------- */
.figure{
  position:relative;margin:0;overflow:hidden;
  background:linear-gradient(145deg,#26221e 0%,#0d0d0d 100%);
  color:var(--c-paper);
  clip-path:polygon(0 0,calc(100% - 26px) 0,100% 26px,100% 100%,0 100%);
}
.figure__img,.figure img{
  width:100%;height:100%;min-height:180px;
  object-fit:cover;display:block;
}
.figure--ratio{aspect-ratio:16 / 10;}
.figure__cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;
  font-size:12px;letter-spacing:.08em;
  background:linear-gradient(180deg,rgba(18,18,18,0),rgba(18,18,18,.88));
  color:rgba(239,224,184,.94);
}
.figure--tilt{transform:rotate(-1.4deg);}
.figure--tilt-alt{transform:rotate(1.2deg);}

/* ---------- 15. 长文容器 ---------- */
.prose{max-width:68ch;}
.prose p{line-height:1.82;}
.prose p+p{margin-top:1em;}
.prose h2,.prose h3{margin-top:1.7em;}
.prose ul,.prose ol{margin-top:1em;display:grid;gap:.5em;}
.prose li{padding-left:1.1em;position:relative;}
.prose li::before{content:"";position:absolute;left:0;top:.78em;width:6px;height:1px;background:var(--c-gold);}

/* ---------- 16. 滚动进度条 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;z-index:150;
  height:3px;width:0;
  background:linear-gradient(90deg,var(--c-red) 0%,var(--c-gold) 58%,var(--c-gold-bright) 100%);
  pointer-events:none;
  transition:width .1s linear;
}
@media (min-width:1024px){
  .scroll-progress{left:var(--rail-w);}
}

/* ---------- 17. 返回顶部 ---------- */
.to-top{
  position:fixed;right:clamp(12px,3vw,28px);bottom:clamp(12px,3vw,28px);z-index:120;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;
  background:var(--c-ink);color:var(--c-paper);
  font-size:12px;font-weight:700;letter-spacing:.16em;
  border:1px solid rgba(201,154,61,.6);
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .26s var(--ease),transform .26s var(--ease),background-color .2s var(--ease);
}
.to-top.is-visible{opacity:1;transform:none;pointer-events:auto;}
.to-top:hover{background:var(--c-red);color:#fff;}
.to-top__label{font-family:var(--font-body);}

/* ---------- 18. 显现 ---------- */
[data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
[data-reveal].is-revealed{opacity:1;transform:none;}

/* ---------- 19. 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;
  }
  .status-dot{animation:none;}
  [data-reveal]{opacity:1 !important;transform:none !important;}
  .card:hover,.btn:hover,.site-footer__link:hover{transform:none;}
}