/* ==========================================================================
   神殿棋牌电玩 — 全站共享样式 /assets/site.css
   仅承载 reset、变量、中文排版、共享头部与页脚、通用组件基础
   ========================================================================== */

/* ---------- 01 变量 ---------- */
:root{
  --bg-deep:#0A1626;
  --bg-panel:#12263F;
  --bg-panel-2:#0E1E33;
  --bg-void:#080F1B;

  --gold:#C9A24A;
  --gold-lit:#E8C878;
  --violet:#7B5CE0;
  --violet-lit:#A794F0;
  --amber:#E08A3C;
  --moss:#4F7A5C;
  --moss-lit:#7FB08F;
  --clay:#A9614A;
  --clay-lit:#D08A70;
  --stone:#6E7A88;
  --ivory:#F2EDE3;

  --line-soft:rgba(110,122,136,.30);
  --line-mid:rgba(110,122,136,.46);
  --line-gold:rgba(201,162,74,.50);

  --font-title:"Noto Sans SC Heavy","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;

  --shell-max:1240px;
  --pad-x:clamp(20px,4vw,48px);
  --hdr-rail:36px;
  --hdr-main:74px;

  --t-fast:160ms;
  --t-base:200ms;
}

/* ---------- 02 Reset ---------- */
*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:140px;
}

body{
  margin:0;
  background-color:var(--bg-deep);
  color:var(--ivory);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-title);
  font-weight:900;
  letter-spacing:-0.02em;
  line-height:1.28;
}

p{margin:0 0 1em}
img,svg,video{display:block;max-width:100%}
a{color:inherit}
ul,ol{margin:0;padding:0}
button{font:inherit;color:inherit;background:none;border:0}
table{border-collapse:collapse}

::selection{background:rgba(201,162,74,.34);color:var(--ivory)}

:focus-visible{
  outline:2px solid var(--gold-lit);
  outline-offset:2px;
  border-radius:0;
}

/* ---------- 03 夜幕光晕与精密网格 ---------- */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(980px 560px at 50% -14%,rgba(201,162,74,.15),transparent 64%),
    radial-gradient(760px 520px at 94% 6%,rgba(123,92,224,.14),transparent 62%),
    radial-gradient(700px 470px at 2% 76%,rgba(224,138,60,.075),transparent 64%);
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(110,122,136,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(110,122,136,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 26%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 26%,#000 0%,transparent 78%);
}

/* ---------- 04 布局骨架 ---------- */
.shell{
  width:100%;
  max-width:calc(var(--shell-max) + var(--pad-x) * 2);
  margin-inline:auto;
  padding-inline:var(--pad-x);
}

.section{
  position:relative;
  padding-block:clamp(40px,5.5vw,80px);
}
.section--tight{padding-block:clamp(22px,3vw,40px)}
.section--flush-bottom{padding-bottom:0}

.section-head{margin-bottom:clamp(22px,3vw,36px)}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--gold);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold)}

.section-title{
  margin:0 0 12px;
  font-family:var(--font-title);
  font-size:clamp(22px,3vw,28px);
  font-weight:900;
  letter-spacing:-0.01em;
  line-height:1.32;
  color:var(--ivory);
}

.section-desc{
  max-width:62ch;
  margin:0;
  font-size:15.5px;
  line-height:1.85;
  color:rgba(242,237,227,.72);
}

.mono-label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--stone);
  white-space:nowrap;
}

/* ---------- 05 跳至主要内容 ---------- */
.skip-link{
  position:fixed;
  left:12px;
  top:-72px;
  z-index:200;
  padding:11px 18px;
  background:var(--gold-lit);
  color:#0A1626;
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  transition:top var(--t-fast) ease;
}
.skip-link:focus{top:12px}

/* ---------- 06 页头 ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:100;
  background:linear-gradient(180deg,rgba(10,22,38,.96) 0%,rgba(10,22,38,.78) 58%,rgba(10,22,38,0) 100%);
  border-bottom:1px solid transparent;
  transition:background-color var(--t-base) ease,border-color var(--t-base) ease,box-shadow var(--t-base) ease;
}

.site-header[data-scrolled]{
  background:#0A1626;
  border-bottom-color:var(--line-gold);
  box-shadow:0 16px 36px -26px rgba(0,0,0,.95);
}

.header-progress{
  position:absolute;
  left:0;
  bottom:0;
  height:2px;
  width:0;
  background:linear-gradient(90deg,var(--violet),var(--gold-lit));
  pointer-events:none;
  transition:width 90ms linear;
}

/* 仪式横条 */
.header-rail{border-bottom:1px solid var(--line-soft)}

.header-rail__inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:var(--hdr-rail);
}

.header-rail__tagline{
  flex:1 1 auto;
  min-width:0;
  text-align:center;
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(242,237,227,.74);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.header-rail__season{color:var(--gold)}

/* 主行 */
.header-main{position:relative;z-index:3}

.header-main__inner{
  display:flex;
  align-items:center;
  gap:clamp(14px,2vw,28px);
  min-height:var(--hdr-main);
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
  color:var(--ivory);
  text-decoration:none;
}

.brand__mark{
  position:relative;
  flex:0 0 auto;
  width:34px;
  height:34px;
  border:1px solid var(--gold);
  background:linear-gradient(155deg,rgba(201,162,74,.24),rgba(123,92,224,.16));
  box-shadow:inset 0 0 0 1px rgba(10,22,38,.72);
}

.brand__mark::before{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  width:2px;
  height:15px;
  margin:-7.5px 0 0 -1px;
  background:var(--gold-lit);
  box-shadow:-6px 0 0 rgba(201,162,74,.85),6px 0 0 rgba(201,162,74,.85);
}

.brand__text{display:flex;flex-direction:column;gap:1px;min-width:0}

.brand__name{
  font-family:var(--font-title);
  font-size:20px;
  font-weight:900;
  line-height:1.15;
  letter-spacing:.01em;
  color:var(--ivory);
  text-shadow:0 1px 0 rgba(201,162,74,.55),0 0 18px rgba(201,162,74,.12);
}

.brand__sub{
  font-family:var(--font-mono);
  font-size:10px;
  line-height:1.3;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--gold);
}

/* 导航 */
.nav{margin-left:auto}

.nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  list-style:none;
}

.nav__item{position:relative}

.nav__link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:5px;
  padding:9px 11px;
  font-size:15px;
  font-weight:500;
  letter-spacing:.01em;
  color:rgba(242,237,227,.8);
  text-decoration:none;
  border:1px solid transparent;
  transition:color var(--t-fast) ease,background-color var(--t-fast) ease,border-color var(--t-fast) ease;
}

.nav__link:hover{
  color:var(--ivory);
  background-color:rgba(201,162,74,.09);
  border-color:rgba(201,162,74,.38);
}

.nav__link[aria-current="page"]{
  color:var(--gold-lit);
  background-color:rgba(201,162,74,.10);
  border-color:rgba(201,162,74,.50);
}

.nav__link[aria-current="page"]::before{
  content:"";
  position:absolute;
  left:-1px;
  top:-1px;
  bottom:-1px;
  width:2px;
  background:var(--gold-lit);
}

.nav__index{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:0;
  color:rgba(110,122,136,.9);
}
.nav__link:hover .nav__index{color:var(--gold)}
.nav__link[aria-current="page"] .nav__index{color:var(--gold-lit)}

/* 页头操作区 */
.header-actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  margin-left:clamp(4px,1vw,14px);
}

/* ---------- 07 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  min-height:40px;
  padding:0 15px;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1;
  white-space:nowrap;
  text-decoration:none;
  border:1px solid transparent;
  background-color:transparent;
  color:var(--ivory);
  cursor:pointer;
  transition:color var(--t-fast) ease,background-color var(--t-fast) ease,border-color var(--t-fast) ease,box-shadow var(--t-fast) ease;
}

.btn--ghost{
  color:var(--gold-lit);
  border-color:rgba(201,162,74,.50);
}
.btn--ghost:hover{
  color:#F7E5B7;
  background-color:rgba(201,162,74,.13);
  border-color:var(--gold-lit);
}

.btn--gold{
  color:#14100A;
  border-color:var(--gold-lit);
  background-image:linear-gradient(180deg,#DCB662,#B68C33);
}
.btn--gold:hover{
  background-image:linear-gradient(180deg,#F0D089,#C9A24A);
  box-shadow:0 0 0 1px rgba(232,200,120,.4),0 12px 26px -16px rgba(201,162,74,.95);
}

.btn--violet{
  color:#C9BAFF;
  border-color:rgba(123,92,224,.6);
}
.btn--violet:hover{
  background-color:rgba(123,92,224,.16);
  border-color:var(--violet-lit);
}

.btn--panel{padding-inline:13px}

/* ---------- 08 移动导航按钮与遮罩 ---------- */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  min-height:40px;
  padding:0 12px;
  border:1px solid rgba(201,162,74,.5);
  color:var(--gold-lit);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  cursor:pointer;
  transition:background-color var(--t-fast) ease,border-color var(--t-fast) ease;
}
.nav-toggle:hover{background-color:rgba(201,162,74,.12);border-color:var(--gold-lit)}

.nav-toggle__bars{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  width:16px;
}
.nav-toggle__bars i{
  display:block;
  height:1.5px;
  background-color:currentColor;
  transition:transform var(--t-base) ease,opacity var(--t-base) ease;
}
.nav-toggle__label{text-transform:uppercase}

.site-header[data-open] .nav-toggle__bars i:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars i:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bars i:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

.nav-scrim{
  position:fixed;
  inset:0;
  z-index:2;
  background-color:rgba(5,10,18,.72);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t-base) ease,visibility var(--t-base) ease;
}
.site-header[data-open] .nav-scrim{opacity:1;visibility:visible}

/* ---------- 09 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,7vw,104px);
  background-image:linear-gradient(180deg,#0D1E34 0%,var(--bg-void) 100%);
  border-top:1px solid var(--line-gold);
}

.footer-top{
  display:grid;
  grid-template-columns:minmax(240px,1fr) minmax(0,2fr);
  gap:clamp(28px,4vw,64px);
  padding:clamp(40px,5vw,64px) 0 clamp(30px,3.5vw,44px);
}

.footer-brand{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:16px;
}
.footer-brand .brand__name{font-size:19px}

.footer-brand__line{
  max-width:34ch;
  margin:0;
  font-size:14.5px;
  line-height:1.9;
  color:rgba(242,237,227,.66);
}

.footer-chips{display:flex;flex-wrap:wrap;gap:8px}

.footer-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,2.6vw,40px);
}

.footer-col__title{
  display:flex;
  align-items:center;
  gap:9px;
  margin:0 0 14px;
  padding-bottom:11px;
  border-bottom:1px solid var(--line-soft);
  font-family:var(--font-title);
  font-size:15px;
  font-weight:900;
  letter-spacing:.02em;
  color:var(--ivory);
}
.footer-col__title .mono-label{font-size:10px;color:var(--gold)}

.footer-list{
  display:flex;
  flex-direction:column;
  gap:1px;
  list-style:none;
}

.footer-list__link{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:6px 0;
  font-size:14.5px;
  color:rgba(242,237,227,.70);
  text-decoration:none;
  transition:color var(--t-fast) ease;
}
.footer-list__link::before{
  content:"";
  flex:0 0 auto;
  width:9px;
  height:1px;
  background-color:var(--stone);
  transition:width var(--t-fast) ease,background-color var(--t-fast) ease;
}
.footer-list__link:hover{color:var(--gold-lit)}
.footer-list__link:hover::before{width:18px;background-color:var(--gold-lit)}

.footer-meta{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px 0 30px;
  border-top:1px solid var(--line-soft);
}

.footer-meta__contact{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px 10px;
  margin:0;
  font-family:var(--font-mono);
  font-size:12.5px;
  line-height:1.9;
  color:rgba(242,237,227,.74);
}

.footer-meta__sep{color:rgba(110,122,136,.7)}

.footer-meta__note{
  max-width:80ch;
  margin:0;
  font-size:13px;
  line-height:1.85;
  color:rgba(110,122,136,.98);
}

.footer-meta__bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 18px;
  margin-top:4px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
}

.footer-legal{color:rgba(110,122,136,.98)}
.footer-legal--icp{color:var(--gold)}

/* ---------- 10 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:clamp(16px,2.5vw,32px);
  bottom:clamp(16px,2.5vw,32px);
  z-index:90;
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  background-color:rgba(18,38,63,.94);
  border:1px solid rgba(201,162,74,.5);
  color:var(--gold-lit);
  font-family:var(--font-mono);
  font-size:16px;
  line-height:1;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity var(--t-base) ease,transform var(--t-base) ease,visibility var(--t-base) ease,background-color var(--t-fast) ease;
}
.to-top[data-visible]{opacity:1;visibility:visible;transform:none}
.to-top:hover{background-color:rgba(201,162,74,.16);border-color:var(--gold-lit)}

/* ---------- 11 通用网格与卡片 ---------- */
.grid{display:grid;gap:clamp(14px,1.8vw,22px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:clamp(18px,2.2vw,24px);
  background-image:linear-gradient(168deg,#12263F 0%,#0E1E33 100%);
  border:1px solid var(--line-soft);
  border-top:2px solid var(--gold);
  transition:transform var(--t-fast) ease,border-color var(--t-fast) ease,box-shadow var(--t-fast) ease;
}
.card:hover{
  transform:translateY(-2px);
  border-color:var(--gold);
  box-shadow:0 20px 38px -28px rgba(0,0,0,.95);
}

.card__title{
  margin:0;
  font-family:var(--font-title);
  font-size:20px;
  font-weight:900;
  letter-spacing:-0.01em;
  line-height:1.35;
  color:var(--ivory);
}

.card__meta{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--stone);
}

.card__text{
  margin:0;
  font-size:14.8px;
  line-height:1.85;
  color:rgba(242,237,227,.72);
}

/* ---------- 12 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid currentColor;
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1.6;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.tag--gold{color:var(--gold-lit)}
.tag--violet{color:var(--violet-lit)}
.tag--amber{color:var(--amber)}
.tag--moss{color:var(--moss-lit)}
.tag--clay{color:var(--clay-lit)}
.tag--stone{color:var(--stone)}

/* ---------- 13 技能树式路径 ---------- */
.path{
  display:flex;
  flex-direction:column;
  list-style:none;
}

.path__item{
  position:relative;
  padding:0 0 22px 36px;
  border-left:1px solid rgba(201,162,74,.35);
}
.path__item:last-child{padding-bottom:0;border-left-color:transparent}

.path__node{
  position:absolute;
  left:-11px;
  top:2px;
  display:grid;
  place-items:center;
  width:22px;
  height:22px;
  border:1px solid var(--amber);
  background-color:var(--bg-deep);
  color:var(--amber);
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1;
}

.path__title{
  margin:0 0 4px;
  font-family:var(--font-title);
  font-size:17px;
  font-weight:900;
  color:var(--ivory);
}

.path__text{
  margin:0;
  font-size:14.5px;
  line-height:1.8;
  color:rgba(242,237,227,.70);
}

.path__out{
  display:inline-block;
  margin-top:8px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--moss-lit);
}

/* ---------- 14 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--stone);
}
.breadcrumb__link{
  color:var(--stone);
  text-decoration:none;
  transition:color var(--t-fast) ease;
}
.breadcrumb__link:hover{color:var(--gold-lit)}
.breadcrumb__sep{color:rgba(110,122,136,.55)}
.breadcrumb__current{color:var(--ivory)}

/* ---------- 15 正文容器 ---------- */
.prose{
  max-width:74ch;
  font-size:16px;
  line-height:1.9;
  color:rgba(242,237,227,.84);
}
.prose > *:last-child{margin-bottom:0}
.prose h2{
  margin:1.6em 0 .6em;
  font-size:clamp(20px,2.4vw,24px);
  color:var(--ivory);
}
.prose h3{
  margin:1.4em 0 .5em;
  font-size:18px;
  color:var(--gold-lit);
}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{margin:0 0 1.15em;padding-left:1.35em}
.prose li{margin:.35em 0}
.prose strong{color:var(--ivory);font-weight:700}
.prose a{
  color:var(--violet-lit);
  text-decoration:none;
  border-bottom:1px solid rgba(167,148,240,.45);
}
.prose a:hover{color:#C7B8FF;border-bottom-color:#C7B8FF}
.prose code{
  padding:1px 5px;
  background-color:rgba(201,162,74,.10);
  color:var(--gold-lit);
  font-family:var(--font-mono);
  font-size:.92em;
}

/* ---------- 16 图片容器基础规则 ---------- */
.media{
  position:relative;
  width:100%;
  aspect-ratio:16 / 9;
  overflow:hidden;
  border:1px solid var(--line-soft);
  background-color:#0E1E33;
  background-image:
    linear-gradient(rgba(110,122,136,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(110,122,136,.07) 1px,transparent 1px),
    radial-gradient(120% 90% at 50% 0%,rgba(201,162,74,.13),transparent 62%);
  background-size:32px 32px,32px 32px,auto;
}
.media > img,
.media > video{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media--wide{aspect-ratio:21 / 9}
.media--3-2{aspect-ratio:3 / 2}
.media--square{aspect-ratio:1 / 1}
.media--tall{aspect-ratio:3 / 4}

.media__caption{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--stone);
}

/* ---------- 17 滚动显现协议 ---------- */
[data-reveal]{transition:opacity 240ms ease,transform 240ms ease}
.js-reveal [data-reveal]{opacity:0;transform:translateY(12px)}
.js-reveal [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 18 响应式 ---------- */
@media (max-width:1280px){
  .nav__link{padding:9px 8px;font-size:14px}
}

@media (max-width:1024px){
  .nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    z-index:2;
    width:min(340px,88vw);
    margin:0;
    padding:calc(var(--hdr-rail) + var(--hdr-main) + 10px) 22px 32px;
    background-image:linear-gradient(180deg,#12263F 0%,#0A1626 78%);
    border-left:1px solid rgba(201,162,74,.45);
    overflow-y:auto;
    visibility:hidden;
    transform:translateX(101%);
    transition:transform 260ms cubic-bezier(.22,.7,.3,1),visibility 260ms;
  }
  .site-header[data-open] .nav{transform:none;visibility:visible}

  .nav__list{flex-direction:column;align-items:stretch;gap:0}

  .nav__link{
    padding:15px 12px;
    font-size:16px;
    border:0;
    border-bottom:1px solid var(--line-soft);
    color:rgba(242,237,227,.86);
  }
  .nav__link:hover{background-color:rgba(201,162,74,.08);border-color:var(--line-soft)}
  .nav__link[aria-current="page"]{background-color:rgba(201,162,74,.10);border-color:var(--line-soft)}
  .nav__link[aria-current="page"]::before{top:0;bottom:0}

  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
  .header-actions .btn--gold{display:none}
}

@media (max-width:900px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr;gap:34px}
}

@media (max-width:700px){
  .header-rail__tagline{display:none}
  .header-rail__inner{justify-content:space-between}
}

@media (max-width:680px){
  body{font-size:15px;line-height:1.8}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .footer-meta__contact{font-size:12px}
}

@media (max-width:560px){
  :root{--pad-x:20px;--hdr-main:62px}
  .brand__name{font-size:17px}
  .brand__sub{display:none}
  .brand{gap:9px}
  .brand__mark{width:30px;height:30px}
  .btn{min-height:36px;font-size:13px;padding:0 12px}
  .btn--panel{padding-inline:11px}
  .nav-toggle{min-height:36px;padding:0 10px}
  .to-top{width:42px;height:42px}
}

@media (max-width:440px){
  .footer-grid{grid-template-columns:1fr}
}

/* ---------- 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;
  }
  .js-reveal [data-reveal]{opacity:1;transform:none}
}