/* ============================================================
   财神棋牌 · 全站共享样式 /assets/site.css
   01 tokens  02 reset+排版  03 布局原语  04 原子组件
   05 头部轨道  06 页脚  07 动效与无障碍  08 响应式
   ============================================================ */

/* ---------- 01 tokens ---------- */
:root{
  --gold:#E8B23A;
  --gold-soft:#F7D98B;
  --red:#C43A2F;
  --red-deep:#8E231C;
  --ink:#151210;
  --ivory:#F8F2E6;
  --green:#1F8A5B;
  --blue:#2453A6;
  --grey:#6E6258;
  --sand:#EFE2C6;

  --rail-w:132px;
  --header-h:62px;

  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,"Courier New",monospace;
  --font-brush:"Ma Shan Zheng","STKaiti","KaiTi","楷体",serif;

  --shadow-soft:0 26px 52px -36px rgba(21,18,16,.7);
  --ease-out:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 02 reset + 中文排版 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}
html.is-nav-open{overflow:hidden}
body{
  margin:0;
  padding-left:var(--rail-w);
  min-height:100vh;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  color:var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(232,178,58,.13), rgba(232,178,58,0) 46%),
    radial-gradient(circle at 92% 22%, rgba(196,58,47,.09), rgba(196,58,47,0) 42%),
    var(--ivory);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
main{display:block}
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.14;
  margin:0 0 .55em;
  text-wrap:balance;
}
h1{font-size:clamp(40px,6.2vw,82px);letter-spacing:-.035em}
h2{font-size:clamp(28px,3.6vw,46px)}
h3{font-size:clamp(20px,2vw,27px)}
h4{font-size:clamp(17px,1.4vw,20px);letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1em;padding-left:1.2em}
a{color:var(--red-deep);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--red)}
strong,b{font-weight:800}
img{max-width:100%;height:auto}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:6px}
.site-rail :focus-visible,.site-footer :focus-visible{outline-color:var(--gold-soft)}
#main-content{scroll-margin-top:84px}

.lead{font-size:clamp(17px,1.35vw,20px);line-height:1.72;color:#3f382f;max-width:64ch}
.muted{color:var(--grey)}
.mono,.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}

/* ---------- 03 布局原语 ---------- */
.wrap{
  width:100%;
  max-width:1320px;
  margin-inline:auto;
  padding-inline:clamp(18px,3vw,46px);
}
.section{padding-block:clamp(40px,6vw,86px)}
.band{position:relative;isolation:isolate}
.band--ivory{background:transparent}
.band--sand{background:linear-gradient(180deg,rgba(239,226,198,.9),rgba(239,226,198,.55))}
.band--ink{
  background:
    radial-gradient(90% 70% at 88% 0%, rgba(232,178,58,.18), rgba(232,178,58,0) 62%),
    radial-gradient(70% 60% at 6% 100%, rgba(196,58,47,.22), rgba(196,58,47,0) 60%),
    linear-gradient(160deg,#1c1613 0%,#151210 58%,#1b100d 100%);
  color:rgba(248,242,230,.86);
}
.band--ink h1,.band--ink h2,.band--ink h3,.band--ink h4{color:#fff}
.band--ink a{color:var(--gold-soft)}
.band--ink .lead{color:rgba(248,242,230,.8)}
.band--ink .muted{color:rgba(248,242,230,.58)}

.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2vw,30px);
}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-9{grid-column:span 9}
.col-12{grid-column:span 12}

/* ---------- 04 原子组件 ---------- */
.section-head{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:clamp(20px,3vw,34px);
}
.section-head h2{margin-bottom:0}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--red);
}
.eyebrow::before{
  content:"";
  width:24px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--red));
  flex:none;
}
.band--ink .eyebrow{color:var(--gold-soft)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 24px;
  border:1px solid transparent;
  border-radius:999px;
  font-family:var(--font-display);
  font-size:15px;
  font-weight:800;
  letter-spacing:.04em;
  text-decoration:none;
  cursor:pointer;
  transition:transform .18s var(--ease-out),background .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn--primary{
  background:linear-gradient(140deg,var(--red),var(--red-deep));
  color:#fff;
  box-shadow:0 18px 34px -22px rgba(196,58,47,.95),inset 0 0 0 1px rgba(255,255,255,.14);
}
.btn--primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 22px 40px -20px rgba(196,58,47,1)}
.btn--gold{
  background:linear-gradient(150deg,var(--gold-soft),var(--gold) 58%,#cf8f1c);
  color:#2b1109;
  box-shadow:0 18px 34px -24px rgba(232,178,58,1),inset 0 0 0 1px rgba(255,255,255,.42);
}
.btn--gold:hover{transform:translateY(-2px);color:#2b1109}
.btn--ghost{
  background:transparent;
  border-color:rgba(21,18,16,.3);
  color:var(--ink);
}
.btn--ghost:hover{border-color:var(--ink);background:rgba(21,18,16,.05);color:var(--ink)}
.band--ink .btn--ghost{border-color:rgba(248,242,230,.38);color:var(--ivory)}
.band--ink .btn--ghost:hover{background:rgba(248,242,230,.1);border-color:var(--gold-soft);color:#fff}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border:1px solid transparent;
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.06em;
  line-height:1.7;
  white-space:nowrap;
}
.badge--gold{background:rgba(232,178,58,.18);color:#8a5c0a;border-color:rgba(232,178,58,.55)}
.badge--red{background:rgba(196,58,47,.12);color:var(--red-deep);border-color:rgba(196,58,47,.42)}
.badge--green{background:rgba(31,138,91,.14);color:#146c45;border-color:rgba(31,138,91,.46)}
.badge--blue{background:rgba(36,83,166,.12);color:#1c4590;border-color:rgba(36,83,166,.42)}

.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:36px;
  padding:6px 14px;
  border:1px solid rgba(110,98,88,.28);
  border-radius:999px;
  background:rgba(239,226,198,.7);
  color:#3a332d;
  font-family:var(--font-display);
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s var(--ease-out);
}
.chip:hover,.chip[aria-pressed="true"]{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--gold-soft);
  transform:translateY(-1px);
}

.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0 0 20px;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--grey);
}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li + li::before{content:"／";color:rgba(110,98,88,.55)}
.crumbs a{color:var(--grey);text-decoration:none;border-bottom:1px solid rgba(232,178,58,.6)}
.crumbs a:hover{color:var(--red);border-bottom-color:var(--red)}

/* 图片容器基础规则（页面阶段放置 img / 占位元素） */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  margin:0;
  border-radius:28px 42px 26px 36px;
  background:
    radial-gradient(circle at 24% 18%, rgba(232,178,58,.28), rgba(232,178,58,0) 58%),
    linear-gradient(150deg,var(--sand),var(--ivory) 58%,#e8dcc4);
  box-shadow:inset 0 0 0 1px rgba(232,178,58,.42);
  isolation:isolate;
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4;border-radius:42px 26px 38px 24px}
.media-frame--square{aspect-ratio:1/1;border-radius:32px}
.media-frame img,
.media-frame__img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame__caption{
  position:absolute;
  left:12px;
  right:12px;
  bottom:12px;
  margin:0;
  padding:8px 13px;
  border-radius:14px;
  background:rgba(21,18,16,.74);
  color:var(--ivory);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.03em;
  line-height:1.6;
}

/* ---------- 05 头部：左侧牌桌轨道 ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:200;
  transform:translateY(-180%);
  padding:10px 20px;
  border-radius:999px;
  background:linear-gradient(150deg,var(--gold-soft),var(--gold));
  color:#2b1109;
  font-family:var(--font-display);
  font-size:14px;
  font-weight:900;
  letter-spacing:.06em;
  text-decoration:none;
  box-shadow:var(--shadow-soft);
  transition:transform .18s var(--ease-out);
}
.skip-link:focus,
.skip-link:focus-visible{transform:translateY(0);color:#2b1109}

.scroll-progress{
  --p:0;
  position:fixed;
  top:0;
  left:var(--rail-w);
  right:0;
  height:3px;
  z-index:95;
  pointer-events:none;
  background:linear-gradient(90deg,var(--gold),var(--red) 58%,var(--gold-soft));
  transform:scaleX(var(--p));
  transform-origin:left center;
  transition:transform .1s linear;
}

.site-rail{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  z-index:90;
  width:var(--rail-w);
  display:flex;
  flex-direction:column;
  gap:16px;
  padding:24px 14px 22px;
  color:var(--ivory);
  border-right:1px solid rgba(232,178,58,.3);
  background:
    radial-gradient(120% 52% at 50% 0%, rgba(232,178,58,.26), rgba(232,178,58,0) 62%),
    radial-gradient(100% 42% at 50% 100%, rgba(196,58,47,.3), rgba(196,58,47,0) 66%),
    linear-gradient(180deg,#1c1714 0%,#151210 54%,#1a100e 100%);
  overflow-y:auto;
  overflow-x:hidden;
  overscroll-behavior:contain;
  scrollbar-width:thin;
}
.site-rail::after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  bottom:0;
  width:1px;
  background:linear-gradient(180deg,rgba(247,217,139,0),rgba(247,217,139,.7),rgba(196,58,47,.5),rgba(247,217,139,0));
  pointer-events:none;
}

.rail-brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  text-align:center;
}
.rail-brand__seal{
  display:grid;
  place-items:center;
  width:58px;
  height:58px;
  border-radius:18px 24px 16px 22px;
  background:linear-gradient(145deg,var(--gold-soft),var(--gold) 46%,#c8891f 100%);
  color:#2b1109;
  text-decoration:none;
  transform:rotate(-4deg);
  box-shadow:0 16px 28px -18px rgba(232,178,58,.95),inset 0 0 0 1px rgba(255,255,255,.38);
  transition:transform .28s var(--ease-out),box-shadow .28s ease-out;
}
.rail-brand__seal:hover,
.rail-brand__seal:focus-visible{transform:rotate(0deg) scale(1.05);box-shadow:0 20px 32px -16px rgba(232,178,58,1)}
.rail-brand__glyph{
  font-family:var(--font-brush);
  font-size:31px;
  font-weight:700;
  line-height:1;
  transform:translateY(-1px);
}
.rail-brand__name{
  margin:0;
  font-family:var(--font-display);
  font-size:15px;
  font-weight:900;
  letter-spacing:.14em;
  color:var(--gold-soft);
}
.rail-thread{
  display:block;
  width:1px;
  height:34px;
  margin:0 auto;
  flex:none;
  background-image:linear-gradient(180deg,var(--gold) 0 5px,transparent 5px 10px);
  background-size:1px 10px;
  background-repeat:repeat-y;
  opacity:.7;
}

.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-width:78px;
  min-height:44px;
  padding:8px 14px;
  border:1px solid rgba(232,178,58,.45);
  border-radius:14px;
  background:rgba(232,178,58,.13);
  color:var(--gold-soft);
  font-family:var(--font-display);
  font-size:13px;
  font-weight:800;
  letter-spacing:.1em;
  cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.nav-toggle:hover{background:rgba(232,178,58,.22);border-color:var(--gold)}
.nav-toggle__text{line-height:1}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:20px;
  height:14px;
  flex:none;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:100%;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .25s var(--ease-out),top .25s var(--ease-out);
}
.nav-toggle__bars::before{top:2px}
.nav-toggle__bars::after{top:10px}
.site-rail[data-open] .nav-toggle__bars::before{top:6px;transform:rotate(45deg)}
.site-rail[data-open] .nav-toggle__bars::after{top:6px;transform:rotate(-45deg)}

.rail-nav{
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
  min-height:0;
}
.rail-nav__list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.rail-nav__item{list-style:none}
.rail-nav__list a{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:9px 10px 9px 13px;
  border-radius:12px;
  color:rgba(248,242,230,.7);
  text-decoration:none;
  transition:background .2s ease-out,color .2s ease-out,transform .2s var(--ease-out);
}
.rail-nav__num{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  color:rgba(232,178,58,.6);
  transition:color .2s ease-out;
}
.rail-nav__label{
  display:block;
  font-family:var(--font-display);
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.04em;
  line-height:1.35;
}
.rail-nav__list a:hover{
  background:rgba(232,178,58,.13);
  color:#fff;
  transform:translateX(2px);
}
.rail-nav__list a[aria-current="page"]{
  background:linear-gradient(120deg,rgba(232,178,58,.28),rgba(196,58,47,.24));
  color:#fff;
  box-shadow:inset 0 0 0 1px rgba(232,178,58,.6);
}
.rail-nav__list a[aria-current="page"]::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:3px;
  height:62%;
  border-radius:3px;
  transform:translateY(-50%);
  background:var(--gold-soft);
  box-shadow:0 0 10px rgba(247,217,139,.9);
}
.rail-nav__list a[aria-current="page"] .rail-nav__num{color:var(--gold-soft)}

.rail-nav__foot{
  margin-top:auto;
  padding-top:14px;
  display:flex;
  flex-direction:column;
  gap:10px;
  border-top:1px dashed rgba(232,178,58,.32);
}
.rail-nav__cta{
  display:block;
  padding:12px 8px;
  border-radius:16px;
  text-align:center;
  text-decoration:none;
  font-family:var(--font-display);
  font-size:13px;
  font-weight:900;
  letter-spacing:.1em;
  line-height:1.5;
  color:#2b1109;
  background:linear-gradient(150deg,var(--gold-soft),var(--gold) 56%,#cf8f1c);
  box-shadow:0 16px 28px -20px rgba(232,178,58,1),inset 0 0 0 1px rgba(255,255,255,.42);
  transition:transform .2s var(--ease-out),box-shadow .2s ease-out;
}
.rail-nav__cta:hover{transform:translateY(-2px);color:#2b1109;box-shadow:0 20px 34px -18px rgba(232,178,58,1)}
.rail-nav__meta{
  display:flex;
  align-items:center;
  gap:7px;
  margin:0;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.03em;
  color:rgba(248,242,230,.56);
}
.rail-nav__meta::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  flex:none;
  background:var(--green);
  box-shadow:0 0 0 3px rgba(31,138,91,.22);
}

.rail-scrim{
  display:none;
  position:fixed;
  inset:0;
  z-index:1;
  background:rgba(12,10,9,.6);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s var(--ease-out);
}

/* ---------- 06 页脚 ---------- */
.site-footer{
  position:relative;
  color:rgba(248,242,230,.78);
  background:
    radial-gradient(80% 70% at 88% 0%, rgba(232,178,58,.17), rgba(232,178,58,0) 62%),
    radial-gradient(60% 60% at 4% 100%, rgba(196,58,47,.22), rgba(196,58,47,0) 64%),
    linear-gradient(180deg,#1a1412 0%,#12100f 62%,#0e0c0b 100%);
}
.footer-seam{
  height:6px;
  background-image:repeating-linear-gradient(115deg,var(--gold) 0 14px,var(--red) 14px 28px,var(--ink) 28px 42px);
  opacity:.8;
}
.footer-wrap{
  display:grid;
  grid-template-columns:1.35fr .8fr 1.15fr;
  gap:clamp(24px,3.6vw,56px);
  padding-block:clamp(38px,5vw,70px);
}
.footer-brand{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
}
.footer-brand__seal{
  display:grid;
  place-items:center;
  width:56px;
  height:56px;
  border-radius:16px 22px 15px 21px;
  background:linear-gradient(145deg,var(--gold-soft),var(--gold) 48%,#c8891f 100%);
  color:#2b1109;
  text-decoration:none;
  box-shadow:0 16px 30px -20px rgba(232,178,58,.95),inset 0 0 0 1px rgba(255,255,255,.36);
  transition:transform .26s var(--ease-out);
}
.footer-brand__seal:hover{transform:rotate(-5deg) scale(1.05)}
.footer-brand__glyph{
  font-family:var(--font-brush);
  font-size:29px;
  font-weight:700;
  line-height:1;
}
.footer-brand__line{
  margin:0;
  font-family:var(--font-display);
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--ivory);
}
.footer-brand__note{
  margin:0;
  max-width:34ch;
  font-size:14.5px;
  line-height:1.7;
  color:rgba(248,242,230,.6);
}
.footer-brand__tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:2px 0 0;
}
.site-footer .badge--gold{background:rgba(232,178,58,.15);color:var(--gold-soft);border-color:rgba(232,178,58,.45)}
.site-footer .badge--red{background:rgba(196,58,47,.2);color:#f2a79f;border-color:rgba(196,58,47,.5)}
.site-footer .badge--green{background:rgba(31,138,91,.18);color:#84d8ac;border-color:rgba(31,138,91,.52)}
.site-footer .badge--blue{background:rgba(36,83,166,.22);color:#a7c0ee;border-color:rgba(36,83,166,.55)}

.footer-nav__title,
.footer-contact__title{
  margin:0 0 16px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold-soft);
}
.footer-nav__list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:6px 14px;
  margin:0;
  padding:0;
  list-style:none;
}
.footer-nav__list a{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  font-size:14.5px;
  font-weight:600;
  color:rgba(248,242,230,.76);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s ease-out,border-color .18s ease-out,transform .18s var(--ease-out);
}
.footer-nav__list a:hover{
  color:var(--gold-soft);
  border-bottom-color:rgba(232,178,58,.7);
  transform:translateX(2px);
}

.footer-contact__list{margin:0;display:flex;flex-direction:column;gap:12px}
.footer-contact__row{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:10px;
  align-items:start;
  padding-bottom:12px;
  border-bottom:1px dashed rgba(232,178,58,.16);
}
.footer-contact__row:last-child{border-bottom:0;padding-bottom:0}
.footer-contact__term{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  color:rgba(232,178,58,.78);
  padding-top:3px;
}
.footer-contact__desc{
  margin:0;
  font-size:14px;
  line-height:1.65;
  color:rgba(248,242,230,.72);
  overflow-wrap:anywhere;
}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 22px;
  padding-block:18px 22px;
  border-top:1px solid rgba(232,178,58,.18);
}
.footer-copy{
  margin:0;
  font-size:13px;
  color:rgba(248,242,230,.58);
}
.footer-copy [data-year]{font-family:var(--font-mono);color:var(--gold-soft)}
.footer-icp{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:rgba(248,242,230,.5);
}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 18px;
  margin:0;
  padding:0;
  list-style:none;
}
.footer-legal__item{list-style:none}
.footer-legal__item a{
  display:inline-flex;
  align-items:center;
  min-height:32px;
  font-size:13px;
  font-weight:600;
  color:rgba(248,242,230,.72);
  text-decoration:none;
  border-bottom:1px solid rgba(232,178,58,.35);
  transition:color .18s ease-out,border-color .18s ease-out;
}
.footer-legal__item a:hover{color:var(--gold-soft);border-bottom-color:var(--gold-soft)}

/* ---------- 07 动效与无障碍 ---------- */
.js-reveal [data-reveal]{
  opacity:0;
  transform:translateY(20px);
}
.js-reveal [data-reveal].is-in{
  opacity:1;
  transform:none;
  transition:opacity .42s var(--ease-out),transform .52s var(--ease-out);
}

@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-reveal [data-reveal]{opacity:1;transform:none}
  .scroll-progress{transition:none}
  .rail-brand__seal:hover,
  .footer-brand__seal:hover,
  .btn:hover,
  .chip:hover,
  .rail-nav__cta:hover{transform:none}
}

/* ---------- 08 响应式 ---------- */
@media (max-width:1200px){
  :root{--rail-w:112px}
  .site-rail{padding:20px 11px 18px;gap:14px}
  .rail-brand__seal{width:52px;height:52px}
  .rail-brand__glyph{font-size:27px}
  .rail-brand__name{font-size:14px;letter-spacing:.1em}
  .rail-nav__label{font-size:12.5px}
  .rail-nav__list a{padding:8px 8px 8px 11px}
}

@media (max-width:1040px){
  .footer-wrap{grid-template-columns:1fr 1fr}
  .footer-contact{grid-column:1 / -1}
}

@media (max-width:960px){
  :root{--rail-w:0px}
  html.is-nav-open{overflow:hidden}
  body{padding-left:0;padding-top:var(--header-h)}

  .scroll-progress{top:var(--header-h);left:0}

  .site-rail{
    top:0;
    right:0;
    bottom:auto;
    left:0;
    width:100%;
    height:var(--header-h);
    flex-direction:row;
    align-items:center;
    gap:12px;
    padding:0 16px;
    border-right:0;
    border-bottom:1px solid rgba(232,178,58,.4);
    overflow:visible;
  }
  .site-rail::after{display:none}
  .rail-brand{flex-direction:row;align-items:center;gap:10px;text-align:left}
  .rail-brand__seal{width:40px;height:40px;border-radius:12px 15px 11px 14px;transform:rotate(-3deg)}
  .rail-brand__glyph{font-size:21px}
  .rail-brand__name{font-size:16px;letter-spacing:.1em}
  .rail-thread{display:none}

  .nav-toggle{display:inline-flex;margin-left:auto}

  .rail-scrim{display:block}

  .rail-nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    left:auto;
    z-index:2;
    width:min(86vw,350px);
    padding:calc(var(--header-h) + 18px) 20px 26px;
    gap:16px;
    background:
      radial-gradient(120% 46% at 80% 0%, rgba(232,178,58,.22), rgba(232,178,58,0) 60%),
      linear-gradient(180deg,#1c1714,#151210 58%,#1a100e);
    border-left:1px solid rgba(232,178,58,.35);
    box-shadow:-34px 0 70px -34px rgba(0,0,0,.9);
    transform:translateX(104%);
    transition:transform .32s var(--ease-out);
    overflow-y:auto;
    overscroll-behavior:contain;
  }
  .site-rail[data-open] .rail-nav{transform:none}
  .site-rail[data-open] .rail-scrim{opacity:1;pointer-events:auto}

  .rail-nav__list a{
    flex-direction:row;
    align-items:baseline;
    gap:10px;
    padding:13px 12px;
    border-radius:14px;
  }
  .rail-nav__label{font-size:16.5px;letter-spacing:.03em}
  .rail-nav__num{font-size:11px}
  .rail-nav__cta{padding:14px 10px;font-size:14.5px}
  .rail-nav__meta{font-size:11.5px}

  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9{grid-column:span 12}
  #main-content{scroll-margin-top:calc(var(--header-h) + 16px)}
}

@media (max-width:640px){
  body{font-size:16px}
  .footer-wrap{grid-template-columns:1fr;gap:30px}
  .footer-nav__list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .footer-contact__row{grid-template-columns:48px minmax(0,1fr)}
  .media-frame{border-radius:22px 30px 20px 26px}
}