/* ============================================================
   /assets/site.css — 新葡京主页 共享层
   墨黑档案册 · 暖金脊线 · 朱砂点睛
   ============================================================ */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,figcaption,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
input{font:inherit;color:inherit}
[hidden]{display:none!important}

/* ---------- 2. 变量 ---------- */
:root{
  --ink:#0B0B0C;
  --ink-2:#141416;
  --ink-3:#0E0E10;
  --smoke-1:#1C1D21;
  --smoke-2:#2B2C31;
  --gold:#C9A227;
  --gold-hi:#E8C86A;
  --cinnabar:#D9503F;
  --cinnabar-deep:#A8322A;
  --paper:#F3EFE6;
  --paper-dim:rgba(243,239,230,.72);
  --rock:#8C8880;
  --clay:#A9744F;
  --moss:#6E7A5A;
  --line:#3A3B3F;

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --wrap:1240px;
  --gap:24px;
  --edge:2px solid var(--line);
  --shadow-hard:8px 8px 0 rgba(0,0,0,.55);
  --shadow-soft:6px 6px 0 rgba(0,0,0,.45);
  --t:240ms cubic-bezier(.2,.8,.25,1);
  --t-slow:420ms cubic-bezier(.2,.8,.25,1);
}

/* ---------- 3. 中文排版基座 ---------- */
body{
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--paper);
  background:
    radial-gradient(1200px 620px at 84% -12%, rgba(43,44,49,.92), transparent 70%),
    radial-gradient(900px 540px at 2% 108%, rgba(28,29,33,.88), transparent 74%),
    var(--ink);
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{font-family:var(--font-serif);font-weight:900;letter-spacing:-.02em;line-height:1.14;color:var(--paper)}
h1{font-size:clamp(2.6rem,6vw,5.4rem);line-height:1.04}
h2{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.2}
h3{font-size:clamp(1.2rem,2vw,1.55rem);font-weight:600;line-height:1.35;letter-spacing:-.01em}
h4{font-size:1.0625rem;font-weight:600;line-height:1.5;letter-spacing:0}
p{max-width:68ch;color:var(--paper-dim)}
p strong{color:var(--paper);font-weight:500}
::selection{background:rgba(201,162,39,.35);color:var(--paper)}

.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}

:focus-visible{outline:2px solid var(--gold-hi);outline-offset:3px;border-radius:2px}

/* ---------- 4. 跳转链接 ---------- */
.skip-link{
  position:fixed;top:-100px;left:16px;z-index:200;
  display:inline-block;padding:10px 18px;
  background:var(--gold);color:var(--ink);
  font-weight:700;font-size:.9375rem;
  border:2px solid var(--gold-hi);
  transition:top var(--t);
}
.skip-link:focus{top:12px}

/* ---------- 5. 命令栏 ---------- */
.cmdbar{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(11,11,12,.98),rgba(11,11,12,.92));
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  transition:box-shadow var(--t);
}
.cmdbar[data-scrolled]{box-shadow:0 18px 36px rgba(0,0,0,.55)}
.cmdbar__progress{
  position:absolute;left:0;bottom:0;
  width:100%;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--gold),var(--gold-hi) 55%,var(--cinnabar));
  transition:transform 120ms linear;
  pointer-events:none;
}
.cmdbar__inner{
  width:min(100% - 40px,var(--wrap));
  margin-inline:auto;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:20px;
  padding:12px 0;
  transition:padding var(--t);
}
.cmdbar[data-scrolled] .cmdbar__inner{padding:6px 0}

/* 品牌 */
.brand{grid-column:1;display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand__seal{
  flex:none;width:42px;height:42px;
  display:grid;place-items:center;
  font-family:var(--font-serif);font-weight:900;font-size:1.3rem;
  color:var(--gold-hi);
  background:linear-gradient(150deg,var(--smoke-1),var(--ink-2));
  border:2px solid var(--gold);
  box-shadow:3px 3px 0 rgba(201,162,39,.22);
  transition:box-shadow var(--t),transform var(--t);
}
.brand:hover .brand__seal{transform:translate(-1px,-1px);box-shadow:5px 5px 0 rgba(201,162,39,.32)}
.brand__text{display:flex;flex-direction:column;min-width:0;line-height:1.25}
.brand__name{font-family:var(--font-serif);font-weight:900;font-size:1.0625rem;letter-spacing:.02em;color:var(--paper);white-space:nowrap}
.brand__line{font-size:.75rem;color:var(--rock);letter-spacing:.14em;white-space:nowrap;transition:opacity var(--t)}
.cmdbar[data-scrolled] .brand__line{opacity:0}
.brand__version{
  flex:none;align-self:flex-start;
  padding:1px 7px;margin-left:2px;
  font-size:.6875rem;
  color:var(--gold);
  border:1px solid rgba(201,162,39,.5);
  background:rgba(201,162,39,.08);
}

/* 主导航 */
.mainnav{grid-column:2;min-width:0}
.mainnav__list{display:flex;align-items:center;justify-content:center;gap:2px;flex-wrap:wrap}
.mainnav__link{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:7px 9px;
  border:1px solid transparent;
  color:var(--paper-dim);
  font-size:.9375rem;letter-spacing:.01em;white-space:nowrap;
  transition:color var(--t),background var(--t),border-color var(--t),box-shadow var(--t);
}
.mainnav__idx{font-size:.6875rem;color:var(--rock);transition:color var(--t)}
.mainnav__link:hover{color:var(--paper);background:var(--smoke-1);border-color:var(--line)}
.mainnav__link:hover .mainnav__idx{color:var(--gold)}
.mainnav__link[aria-current="page"]{
  color:var(--paper);
  background:linear-gradient(180deg,rgba(201,162,39,.18),rgba(201,162,39,.04));
  border-color:rgba(201,162,39,.5);
  box-shadow:inset 0 -2px 0 var(--gold);
}
.mainnav__link[aria-current="page"] .mainnav__idx{color:var(--gold-hi)}
.mainnav__cta{display:none}

/* 右侧工具组 */
.cmdtools{grid-column:3;display:flex;align-items:center;gap:10px}
.statusnote{
  display:inline-flex;align-items:center;gap:7px;
  max-width:none;
  font-size:.75rem;color:var(--rock);letter-spacing:.04em;white-space:nowrap;
}
.statusnote__dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--moss);
  box-shadow:0 0 0 3px rgba(110,122,90,.22);
}
.searchbtn{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 14px;
  border:1px solid var(--line);
  background:var(--ink-2);
  color:var(--paper-dim);
  font-size:.875rem;letter-spacing:.04em;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.searchbtn:hover{border-color:var(--gold);color:var(--gold-hi);background:var(--smoke-1)}
.searchbtn__icon{
  position:relative;flex:none;
  width:12px;height:12px;
  border:2px solid currentColor;border-radius:50%;
}
.searchbtn__icon::after{
  content:"";position:absolute;right:-4px;bottom:-4px;
  width:2px;height:7px;background:currentColor;
  transform:rotate(-45deg);transform-origin:top center;
}
.searchbtn__text{white-space:nowrap}

/* 移动导航按钮 */
.navtoggle{
  display:none;
  align-items:center;gap:8px;
  padding:8px 12px;
  border:1px solid var(--line);
  background:var(--ink-2);
  color:var(--paper);
  font-size:.875rem;letter-spacing:.1em;
  transition:border-color var(--t),background var(--t);
}
.navtoggle:hover{border-color:var(--gold);background:var(--smoke-1)}
.navtoggle__bars{display:inline-flex;flex-direction:column;justify-content:space-between;width:18px;height:13px}
.navtoggle__bars span{display:block;height:2px;background:var(--gold-hi);transition:transform var(--t),opacity var(--t)}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(2){opacity:0}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.navtoggle__label{white-space:nowrap}

/* ---------- 6. 检索面板 ---------- */
.searchpanel{
  position:absolute;top:100%;left:0;right:0;
  background:linear-gradient(180deg,var(--ink-2),var(--ink));
  border-bottom:2px solid var(--gold);
  box-shadow:0 26px 52px rgba(0,0,0,.7);
  max-height:calc(100vh - 90px);
  overflow:auto;
}
.searchpanel__inner{
  width:min(100% - 40px,var(--wrap));
  margin-inline:auto;
  padding:26px 0 32px;
  display:grid;gap:10px;
}
.searchpanel__label{
  font-family:var(--font-mono);
  font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold);
}
.searchpanel__input{
  width:100%;
  padding:14px 16px;
  background:var(--ink);
  border:2px solid var(--line);
  color:var(--paper);
  font-size:1rem;letter-spacing:.02em;
  transition:border-color var(--t),box-shadow var(--t);
}
.searchpanel__input::placeholder{color:var(--rock)}
.searchpanel__input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,162,39,.18);outline:none}
.searchpanel__meta{font-size:.75rem;color:var(--rock);letter-spacing:.04em}
.searchpanel__list{display:grid;gap:6px;margin-top:6px}
.searchpanel__item{transition:opacity var(--t),transform var(--t)}
.searchpanel__item.is-hidden{display:none}
.searchpanel__link{
  display:grid;
  grid-template-columns:64px minmax(0,180px) minmax(0,1fr);
  align-items:center;gap:12px;
  padding:11px 14px;
  border:1px solid var(--line);
  border-left:3px solid transparent;
  background:var(--ink-2);
  transition:border-color var(--t),background var(--t),transform var(--t);
}
.searchpanel__link:hover{border-color:rgba(201,162,39,.6);border-left-color:var(--gold);background:var(--smoke-1);transform:translateX(3px)}
.searchpanel__idx{font-size:.6875rem;color:var(--rock);letter-spacing:.08em}
.searchpanel__name{font-family:var(--font-serif);font-weight:600;font-size:1rem;color:var(--paper)}
.searchpanel__desc{font-size:.8125rem;color:var(--rock)}
.searchpanel__item.is-hit .searchpanel__link{border-left-color:var(--gold);background:linear-gradient(90deg,rgba(201,162,39,.14),transparent 65%)}
.searchpanel__item.is-hit .searchpanel__name{color:var(--gold-hi)}
.searchpanel__item.is-hit .searchpanel__idx{color:var(--gold)}
.searchpanel__empty{font-size:.875rem;color:var(--cinnabar);letter-spacing:.02em}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:11px 20px;
  font-size:.9375rem;font-weight:500;letter-spacing:.04em;
  border:2px solid var(--line);
  background:var(--ink-2);
  color:var(--paper);
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t);
}
.btn:hover{transform:translate(-1px,-1px)}
.btn--primary{
  background:var(--cinnabar-deep);
  border-color:var(--cinnabar);
  color:var(--paper);
  box-shadow:4px 4px 0 rgba(0,0,0,.55);
}
.btn--primary:hover{background:var(--cinnabar);border-color:var(--gold-hi);box-shadow:6px 6px 0 rgba(0,0,0,.55)}
.btn--ghost{border-color:rgba(201,162,39,.55);color:var(--gold-hi);background:transparent;box-shadow:4px 4px 0 rgba(0,0,0,.45)}
.btn--ghost:hover{background:rgba(201,162,39,.12);border-color:var(--gold-hi)}
.btn--line{background:transparent;color:var(--paper-dim)}
.btn--line:hover{color:var(--paper);border-color:var(--gold);background:var(--smoke-1)}
.cmdtools__cta{padding:9px 16px}

/* ---------- 8. 页脚 ---------- */
.vaultfoot{
  position:relative;
  border-top:2px solid var(--line);
  background:linear-gradient(180deg,#0E0E10,#070708 70%);
}
.vaultfoot::before{
  content:"";position:absolute;top:-2px;left:0;width:190px;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-hi));
}
.vaultfoot__inner{
  width:min(100% - 40px,var(--wrap));
  margin-inline:auto;
  padding:64px 0 52px;
  display:grid;
  grid-template-columns:1.6fr repeat(3,minmax(0,1fr)) 1.5fr;
  gap:40px 28px;
  align-items:start;
}
.vaultfoot__brand{display:grid;gap:10px;align-content:start}
.vaultfoot__seal{
  width:48px;height:48px;
  display:grid;place-items:center;
  font-family:var(--font-serif);font-weight:900;font-size:1.4rem;
  color:var(--gold-hi);
  border:2px solid var(--gold);
  background:linear-gradient(150deg,var(--smoke-1),var(--ink-2));
  box-shadow:4px 4px 0 rgba(0,0,0,.6);
  margin-bottom:6px;
}
.vaultfoot__name{font-family:var(--font-serif);font-weight:900;font-size:1.25rem;color:var(--paper);letter-spacing:.02em}
.vaultfoot__tag{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.1em;color:var(--rock)}
.vaultfoot__note{font-size:.875rem;line-height:1.8;color:var(--rock);max-width:34ch}
.vaultfoot__note .mono{color:var(--gold)}

.vaultfoot__title{
  position:relative;
  padding-top:14px;
  margin-bottom:14px;
  font-family:var(--font-serif);font-weight:600;font-size:1rem;
  letter-spacing:.12em;color:var(--gold-hi);
}
.vaultfoot__title::before{
  content:"";position:absolute;top:0;left:0;width:26px;height:2px;background:var(--gold);
}
.vaultfoot__list{display:grid;gap:8px}
.vaultfoot__link{
  display:inline-block;
  font-size:.9375rem;color:var(--paper-dim);
  border-bottom:1px solid transparent;
  transition:color var(--t),border-color var(--t),transform var(--t);
}
.vaultfoot__link:hover{color:var(--gold-hi);border-bottom-color:rgba(201,162,39,.55);transform:translateX(2px)}

.vaultfoot__service-note{font-size:.875rem;line-height:1.8;color:var(--rock);max-width:32ch;margin-bottom:14px}
.vaultfoot__contacts{display:grid;gap:9px}
.vaultfoot__contact{display:flex;align-items:baseline;gap:10px;min-width:0}
.vaultfoot__contact-label{flex:none;font-size:.625rem;letter-spacing:.14em;color:var(--rock);width:38px}
.vaultfoot__contact-text{font-size:.8125rem;line-height:1.7;color:var(--paper-dim);word-break:break-word}
.vaultfoot__copy{
  font-family:var(--font-mono);font-size:.8125rem;
  color:var(--paper-dim);
  text-align:left;
  border-bottom:1px dashed rgba(140,136,128,.6);
  padding:1px 0;
  word-break:break-all;
  transition:color var(--t),border-color var(--t);
}
.vaultfoot__copy:hover{color:var(--gold-hi);border-bottom-color:var(--gold)}
.vaultfoot__copy[data-copied="true"]{color:var(--moss);border-bottom-color:var(--moss)}
.vaultfoot__feedback{margin-top:8px;min-height:1.2em;font-size:.75rem;color:var(--moss);letter-spacing:.02em}

.vaultfoot__bottom{border-top:1px solid var(--line);background:rgba(0,0,0,.35)}
.vaultfoot__bottom-inner{
  width:min(100% - 40px,var(--wrap));
  margin-inline:auto;
  padding:16px 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;
  font-size:.75rem;color:var(--rock);
}
.vaultfoot__legal{font-size:.75rem;color:var(--rock);max-width:none;letter-spacing:.06em}
.vaultfoot__meta{font-size:.75rem;color:var(--rock);max-width:none}
.vaultfoot__meta--links{display:inline-flex;flex-wrap:wrap;align-items:center;gap:8px;margin-left:auto}
.vaultfoot__meta--links .vaultfoot__link{font-size:.75rem}
.vaultfoot__sep{color:var(--line)}

/* ---------- 9. 通用容器与内容组件 ---------- */
.container{width:min(100% - 40px,var(--wrap));margin-inline:auto}

.breadcrumbs{margin:26px 0 8px}
.breadcrumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;color:var(--rock);letter-spacing:.06em}
.breadcrumbs__link{font-family:var(--font-mono);color:var(--rock);border-bottom:1px solid transparent;transition:color var(--t),border-color var(--t)}
.breadcrumbs__link:hover{color:var(--gold-hi);border-bottom-color:rgba(201,162,39,.6)}
.breadcrumbs__sep{color:var(--line)}
.breadcrumbs__current{color:var(--paper-dim)}

.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);font-size:.75rem;
  letter-spacing:.24em;text-transform:uppercase;
  color:var(--gold);
}
.section-head{display:grid;gap:12px;margin-bottom:26px}
.section-title{font-family:var(--font-serif);font-weight:900;font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.2;letter-spacing:-.015em;color:var(--paper)}
.hairline{width:100%;height:0;border:0;border-top:1px solid var(--line);margin:0}
.hairline--gold{border-top-color:rgba(201,162,39,.45)}

.grid{display:grid;gap:var(--gap)}
.grid--split{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.grid--wide{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}
.grid--cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

.panel{
  background:var(--ink-2);
  border:2px solid var(--line);
  padding:24px;
  box-shadow:var(--shadow-soft);
}
.panel--gold{border-color:rgba(201,162,39,.45)}
.panel__title{font-family:var(--font-serif);font-weight:600;font-size:1.0625rem;color:var(--paper);letter-spacing:.02em;margin-bottom:10px}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:2px 9px;
  border:1px solid var(--line);
  font-family:var(--font-mono);font-size:.6875rem;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--rock);background:var(--smoke-1);
}
.tag--gold{border-color:rgba(201,162,39,.6);color:var(--gold-hi);background:rgba(201,162,39,.1)}
.tag--clay{border-color:var(--clay);color:#E4C6AE;background:rgba(169,116,79,.18)}
.tag--moss{border-color:var(--moss);color:#C3CCB0;background:rgba(110,122,90,.2)}

.stat{display:grid;gap:2px}
.stat__value{font-family:var(--font-mono);font-size:1.5rem;line-height:1.2;color:var(--gold-hi);letter-spacing:.02em}
.stat__label{font-size:.8125rem;color:var(--rock);letter-spacing:.04em}

/* 图片容器基础规则（页面阶段放占位） */
.media{
  position:relative;display:block;
  border:2px solid var(--line);
  background:linear-gradient(150deg,var(--smoke-1),var(--ink-2) 62%,#101012);
  box-shadow:var(--shadow-hard);
  overflow:hidden;
}
.media__frame{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:linear-gradient(150deg,var(--smoke-2),var(--ink) 82%);
}
.media__frame--wide{aspect-ratio:16/9}
.media__frame--tall{aspect-ratio:3/4}
.media__frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(201,162,39,.14),transparent 42%,rgba(11,11,12,.55));
}
.media__img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.66) contrast(1.06) brightness(.92);
  transition:transform var(--t-slow),filter var(--t-slow);
}
.media:hover .media__img{transform:scale(1.02);filter:saturate(.78) contrast(1.04) brightness(.98)}
.media__caption{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  padding:9px 14px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:.75rem;
  color:var(--rock);letter-spacing:.06em;
}

/* ---------- 10. 返回顶部（脚本注入） ---------- */
.totop{
  position:fixed;right:20px;bottom:20px;z-index:70;
  width:48px;height:48px;
  display:grid;place-items:center;
  border:2px solid var(--gold);
  background:var(--ink-2);
  color:var(--gold-hi);
  box-shadow:5px 5px 0 rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background var(--t),border-color var(--t);
}
.totop[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--smoke-2);border-color:var(--gold-hi)}
.totop__arrow{
  display:block;width:11px;height:11px;
  border-left:2px solid currentColor;border-top:2px solid currentColor;
  transform:rotate(45deg);margin-top:5px;
}

/* ---------- 11. 进入视口显现 ---------- */
:root.has-js [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity var(--t-slow),transform var(--t-slow);
}
:root.has-js [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 12. 响应式 ---------- */
@media (max-width:1280px){
  .statusnote{display:none}
}
@media (max-width:1080px){
  .cmdbar__inner{
    display:flex;align-items:center;gap:10px;
    padding:9px 0;
  }
  .brand{order:1;flex:1 1 auto}
  .cmdtools{order:2;gap:8px}
  .navtoggle{order:3;display:inline-flex}
  .cmdtools__cta{display:none}
  .brand__line{display:none}
  .mainnav{
    position:absolute;top:100%;left:0;right:0;
    display:none;
    background:linear-gradient(180deg,var(--ink-2),var(--ink));
    border-bottom:2px solid var(--gold);
    box-shadow:0 26px 52px rgba(0,0,0,.7);
    max-height:calc(100vh - 64px);
    overflow:auto;
    padding:12px 0 20px;
  }
  .cmdbar[data-open] .mainnav{display:block}
  .mainnav__list{flex-direction:column;align-items:stretch;gap:2px;padding:0 16px}
  .mainnav__link{
    display:flex;justify-content:flex-start;
    padding:13px 14px;
    border:1px solid var(--line);
    border-left:3px solid transparent;
    background:var(--ink-2);
    font-size:1rem;
  }
  .mainnav__link[aria-current="page"]{border-left-color:var(--gold);box-shadow:none}
  .mainnav__cta{display:flex;margin:14px 16px 0}
  .searchpanel__inner{padding:20px 0 26px}
  .searchpanel__link{grid-template-columns:56px minmax(0,1fr);row-gap:2px}
  .searchpanel__desc{grid-column:2}
  .vaultfoot__inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 26px;padding:52px 0 42px}
  .vaultfoot__brand{grid-column:1 / -1}
  .vaultfoot__service{grid-column:1 / -1}
  .vaultfoot__meta--links{margin-left:0;width:100%}
}
@media (max-width:820px){
  .grid--split,.grid--wide{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.8}
  .container,.cmdbar__inner,.searchpanel__inner,.vaultfoot__inner,.vaultfoot__bottom-inner{width:calc(100% - 28px)}
  .brand__seal{width:36px;height:36px;font-size:1.1rem}
  .brand__version{display:none}
  .searchbtn__text{display:none}
  .searchbtn{padding:9px 11px}
  .searchpanel__link{grid-template-columns:minmax(0,1fr);gap:2px;padding:10px 12px}
  .searchpanel__idx{grid-column:1}
  .searchpanel__desc{grid-column:1}
  .vaultfoot__inner{grid-template-columns:minmax(0,1fr)}
  .vaultfoot__bottom-inner{flex-direction:column;align-items:flex-start;gap:8px}
  .panel{padding:18px}
  .totop{right:14px;bottom:14px;width:44px;height:44px}
}

/* ---------- 13. 减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  :root.has-js [data-reveal]{opacity:1;transform:none}
  .media:hover .media__img{transform:none}
  .btn:hover{transform:none}
  .vaultfoot__link:hover{transform:none}
  .searchpanel__link:hover{transform:none}
}