/* ============================================================
   千亿球友会主站 · 共享外壳样式 /assets/site.css
   墨海深蓝体系 · 暖纸底 · 青瓷绿主色 · 暖金刻度
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --ink-900:#0D1B2A;
  --ink-700:#1B2E42;
  --ink-500:#33465C;
  --slate-600:#5A6A78;
  --celadon-700:#2F5F55;
  --celadon-500:#4E8878;
  --celadon-200:#B7CFC6;
  --gold-500:#C7A252;
  --clay-500:#B9603C;
  --clay-700:#8E4527;
  --paper-100:#F6F1E6;
  --paper-200:#EBE2D2;
  --paper-000:#FDFBF6;

  --font-display:'Noto Serif SC','Source Han Serif SC','Songti SC','STSong',serif;
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
  --font-mono:'IBM Plex Mono','Roboto Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;

  --body-size:17px;
  --line:1.85;
  --rail:220px;
  --shell-max:1440px;
  --pad-x:clamp(20px,4.2vw,72px);
  --header-h:96px;
  --hair:1px solid rgba(51,70,92,.20);
  --hair-dark:1px solid rgba(183,207,198,.24);
}
html[data-font-mode="lg"]{--body-size:19px;--line:1.92}
html[data-font-mode="xl"]{--body-size:21px;--line:1.98}

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;min-height:100vh;
  background:var(--paper-100);color:var(--ink-900);
  font-family:var(--font-sans);font-size:var(--body-size);line-height:var(--line);
  font-weight:400;letter-spacing:.01em;overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    repeating-linear-gradient(0deg,rgba(13,27,42,.035) 0 1px,transparent 1px 3px),
    radial-gradient(1200px 620px at 84% -12%,rgba(78,136,120,.10),transparent 62%),
    radial-gradient(900px 520px at -8% 34%,rgba(199,162,82,.09),transparent 66%);
}
header,footer,main,section{position:relative;z-index:1}
h1,h2,h3,h4,p,ul,ol,figure,blockquote,details{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--celadon-700);outline-offset:3px;border-radius:1px}
[data-section],[id]{scroll-margin-top:120px}

/* ---------- 3. 跳转链接 ---------- */
.qy-skip{
  position:fixed;top:10px;left:10px;z-index:140;
  transform:translateY(-180%);
  background:var(--ink-900);color:var(--paper-000);
  padding:10px 16px;font-size:14px;border-radius:2px;
  transition:transform .18s ease;
}
.qy-skip:focus{transform:translateY(0)}

/* ---------- 4. 头部 ---------- */
.qy-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(246,241,230,.95);color:var(--ink-900);
  border-bottom:var(--hair);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.qy-header[data-scrolled="true"]{box-shadow:0 1px 0 rgba(51,70,92,.10)}
.qy-header[data-overlay="true"]:not([data-scrolled="true"]){
  background:transparent;color:var(--paper-000);
  border-bottom-color:transparent;
  -webkit-backdrop-filter:none;backdrop-filter:none;
}
.qy-progress{position:absolute;left:0;right:0;bottom:-1px;height:1px;background:rgba(51,70,92,.14)}
.qy-header[data-overlay="true"]:not([data-scrolled="true"]) .qy-progress{background:rgba(253,251,246,.16)}
.qy-progress__bar{display:block;height:100%;width:0;background:var(--gold-500);transition:width .12s linear}

.qy-header__inner{
  display:grid;grid-template-columns:var(--rail) minmax(0,1fr);
  align-items:stretch;max-width:var(--shell-max);margin:0 auto;
  padding-inline:var(--pad-x);
}
.qy-header__rail{
  display:flex;align-items:center;
  padding:16px 20px 14px 0;
  border-right:1px solid rgba(51,70,92,.18);
}
.qy-header[data-overlay="true"]:not([data-scrolled="true"]) .qy-header__rail{border-right-color:rgba(183,207,198,.28)}

.qy-brand{display:flex;flex-direction:column;gap:3px;line-height:1.15}
.qy-brand__mark{font-family:var(--font-display);font-weight:900;font-size:19px;letter-spacing:.06em}
.qy-brand__sub{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--celadon-700)}
.qy-header[data-overlay="true"]:not([data-scrolled="true"]) .qy-brand__sub{color:var(--celadon-200)}

.qy-header__body{
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  grid-template-areas:"nav tools" "meta meta";
  align-items:center;column-gap:22px;padding-left:22px;
}
.qy-nav{grid-area:nav;min-width:0}
.qy-nav__list{display:flex;flex-wrap:wrap;gap:0 2px}
.qy-nav__link{
  display:inline-flex;align-items:baseline;gap:7px;
  padding:9px 10px 8px;font-size:14.5px;letter-spacing:.04em;
  border-bottom:2px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.qy-nav__index{font-family:var(--font-mono);font-size:10.5px;color:var(--gold-500);font-variant-numeric:tabular-nums}
.qy-nav__link:hover{border-bottom-color:var(--celadon-500)}
.qy-nav__link[aria-current="page"]{color:var(--celadon-700);font-weight:600;border-bottom-color:var(--celadon-700)}
.qy-header[data-overlay="true"]:not([data-scrolled="true"]) .qy-nav__link[aria-current="page"]{color:var(--gold-500);border-bottom-color:var(--gold-500)}

.qy-header__tools{grid-area:tools;display:flex;align-items:center;gap:10px}
.qy-fontmode{
  font-size:12px;letter-spacing:.08em;padding:7px 10px;
  border:1px dashed rgba(51,70,92,.42);border-radius:2px;color:inherit;
  transition:border-color .16s ease,color .16s ease;
}
.qy-header[data-overlay="true"]:not([data-scrolled="true"]) .qy-fontmode{border-color:rgba(253,251,246,.5)}
.qy-fontmode[aria-pressed="true"]{border-style:solid;border-color:var(--gold-500);color:var(--gold-500)}
.qy-cta{
  display:inline-flex;flex-direction:column;gap:1px;
  padding:8px 14px;border-radius:2px;
  border:1px solid var(--celadon-700);background:var(--celadon-700);color:var(--paper-000);
  transition:background-color .16s ease,border-color .16s ease;
}
.qy-cta__label{font-size:14px;font-weight:600;letter-spacing:.06em;line-height:1.3}
.qy-cta__hint{font-family:var(--font-mono);font-size:10px;letter-spacing:.02em;opacity:.85;line-height:1.3}
.qy-cta:hover{background:var(--celadon-500);border-color:var(--celadon-500)}
.qy-nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 12px;border:1px solid rgba(51,70,92,.38);border-radius:2px;
  font-size:13px;letter-spacing:.1em;
}
.qy-header[data-overlay="true"]:not([data-scrolled="true"]) .qy-nav-toggle{border-color:rgba(253,251,246,.55)}
.qy-header[data-open] .qy-nav-toggle{background:var(--ink-900);border-color:var(--ink-900);color:var(--paper-000)}
.qy-nav-toggle__bars{width:16px;height:9px;border-top:2px solid currentColor;border-bottom:2px solid currentColor}
.qy-header__meta{
  grid-area:meta;display:flex;justify-content:space-between;gap:16px;
  border-top:1px solid rgba(51,70,92,.14);
  padding:6px 0 7px;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.16em;color:var(--slate-600);
}
.qy-header[data-overlay="true"]:not([data-scrolled="true"]) .qy-header__meta{
  border-top-color:rgba(253,251,246,.20);color:rgba(253,251,246,.76);
}
.qy-tagline{color:var(--ink-900)}
.qy-header[data-overlay="true"]:not([data-scrolled="true"]) .qy-tagline{color:var(--gold-500)}
.qy-utility{text-align:right}

/* ---------- 5. 页脚 ---------- */
.qy-footer{
  background:var(--ink-900);color:var(--paper-100);
  border-top:3px solid var(--celadon-700);
  padding:56px 0 22px;
}
.qy-footer__grid{
  max-width:var(--shell-max);margin:0 auto;padding-inline:var(--pad-x);
  display:grid;
  grid-template-columns:minmax(200px,1.4fr) repeat(3,minmax(110px,.9fr)) minmax(220px,1.5fr);
  gap:34px 28px;
}
.qy-footer__mark{font-family:var(--font-display);font-weight:900;font-size:22px;letter-spacing:.06em}
.qy-footer__sub{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--celadon-200);margin-top:8px}
.qy-footer__note{
  margin-top:16px;max-width:30ch;font-size:13px;line-height:1.85;
  color:rgba(246,241,230,.74);
  border-left:2px solid var(--gold-500);padding-left:12px;
}
.qy-footer__title{
  font-family:var(--font-mono);font-size:11.5px;font-weight:400;
  letter-spacing:.2em;color:var(--gold-500);margin-bottom:16px;
}
.qy-footer__list{display:flex;flex-direction:column;gap:11px}
.qy-footer__link{
  display:inline-block;font-size:14px;color:rgba(246,241,230,.86);
  padding-bottom:2px;border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.qy-footer__link:hover{color:var(--paper-000);border-bottom-color:var(--celadon-500)}
.qy-footer__contact{display:flex;flex-direction:column;gap:10px}
.qy-footer__contact-item{
  display:flex;gap:10px;font-size:13px;line-height:1.75;
  color:rgba(246,241,230,.80);
}
.qy-footer__contact-key{
  flex:0 0 42px;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.14em;color:var(--celadon-200);padding-top:2px;
}
.qy-footer__hint{
  margin-top:6px;font-size:12.5px;font-style:italic;line-height:1.8;
  color:rgba(246,241,230,.62);
  border-top:1px dashed rgba(183,207,198,.28);padding-top:12px;
}
.qy-footer__legal{
  max-width:var(--shell-max);margin:44px auto 0;padding:16px var(--pad-x) 0;
  border-top:var(--hair-dark);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 20px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;
  color:rgba(246,241,230,.62);
}
.qy-footer__legal-text{font-variant-numeric:tabular-nums}

/* ---------- 6. 页面容器与侧轨骨架 ---------- */
.qy-page{padding-top:var(--header-h)}
.qy-container{max-width:var(--shell-max);margin:0 auto;padding-inline:var(--pad-x)}
.qy-shell{
  display:grid;grid-template-columns:var(--rail) minmax(0,1fr);
  max-width:var(--shell-max);margin:0 auto;padding-inline:var(--pad-x);
}
.qy-rail{
  position:sticky;top:calc(var(--header-h) + 24px);align-self:start;
  padding:0 20px 40px 0;border-right:1px solid rgba(51,70,92,.18);
}
.qy-main{min-width:0;padding-left:28px}
.qy-section{padding:52px 0}
.qy-section + .qy-section{border-top:var(--hair)}
.qy-section__head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:12px;padding-bottom:12px;margin-bottom:24px;
  border-bottom:1px solid rgba(51,70,92,.20);
}
.qy-section__title{font-family:var(--font-display);font-weight:600;font-size:clamp(20px,2.4vw,27px);letter-spacing:-.01em;line-height:1.3}

/* ---------- 7. 排版件 ---------- */
.qy-eyebrow{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.22em;color:var(--celadon-700)}
.qy-title{font-family:var(--font-display);font-weight:900;font-size:clamp(28px,4vw,44px);line-height:1.22;letter-spacing:-.02em}
.qy-title--sans{font-family:var(--font-sans);font-weight:900;letter-spacing:-.015em}
.qy-lead{font-size:clamp(16px,1.4vw,18.5px);line-height:1.95;color:var(--ink-500);max-width:64ch}
.qy-prose{max-width:68ch;font-size:var(--body-size);line-height:var(--line)}
.qy-prose p + p{margin-top:1em}
.qy-prose h3{font-family:var(--font-display);font-weight:600;font-size:19px;margin:1.6em 0 .5em}
.qy-annotation{font-size:13px;font-style:italic;color:var(--slate-600);text-decoration:underline dotted rgba(51,70,92,.5);text-underline-offset:4px}
.qy-mono,.qy-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.qy-num{color:var(--gold-500)}
.qy-tag{
  display:inline-block;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;
  padding:3px 8px;border:1px solid var(--celadon-500);color:var(--celadon-700);border-radius:2px;
}
.qy-tag--alert{border-color:var(--clay-500);color:var(--clay-700)}
.qy-rule{height:1px;border:0;background:rgba(51,70,92,.20);margin:28px 0}
.qy-note{
  border-left:3px solid var(--clay-500);background:rgba(185,96,60,.07);
  padding:14px 18px;font-size:14.5px;line-height:1.85;color:var(--ink-700);border-radius:0 2px 2px 0;
}
.qy-note--calm{border-left-color:var(--celadon-500);background:rgba(78,136,120,.08)}
.qy-stack{display:flex;flex-direction:column;gap:16px}
.qy-visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.is-hidden{display:none !important}

/* ---------- 8. 按钮 ---------- */
.qy-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;border:1px solid var(--ink-900);border-radius:2px;
  background:transparent;color:var(--ink-900);
  font-size:14.5px;letter-spacing:.04em;line-height:1.3;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.qy-btn--solid{background:var(--ink-900);color:var(--paper-000)}
.qy-btn--solid:hover{background:var(--celadon-700);border-color:var(--celadon-700)}
.qy-btn--ghost{border-color:var(--celadon-700);color:var(--celadon-700)}
.qy-btn--ghost:hover{background:var(--celadon-200);border-color:var(--celadon-500)}
.qy-btn--quiet{border-color:rgba(51,70,92,.32);color:var(--slate-600)}
.qy-btn--quiet:hover{border-color:var(--celadon-500);color:var(--celadon-700)}

/* ---------- 9. 面包屑 ---------- */
.qy-breadcrumb{padding:14px 0;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;color:var(--slate-600)}
.qy-breadcrumb__list{display:flex;flex-wrap:wrap;gap:6px 10px}
.qy-breadcrumb__item{display:flex;gap:10px;align-items:center}
.qy-breadcrumb__item + .qy-breadcrumb__item::before{content:"/";color:var(--celadon-200)}
.qy-breadcrumb__link:hover{color:var(--celadon-700);border-bottom:1px solid var(--celadon-500)}
.qy-breadcrumb__current{color:var(--ink-900)}

/* ---------- 10. 媒体容器 ---------- */
.qy-media{display:block}
.qy-media__frame{
  position:relative;overflow:hidden;border-radius:2px;
  background:var(--paper-200);border:1px solid rgba(51,70,92,.18);
  aspect-ratio:4/3;
}
.qy-media__frame--wide{aspect-ratio:16/9}
.qy-media__frame--tall{aspect-ratio:3/4}
.qy-media__frame--square{aspect-ratio:1/1}
.qy-media__img{width:100%;height:100%;object-fit:cover;filter:saturate(.94) contrast(1.02)}
.qy-media__caption{
  margin-top:10px;font-size:12.5px;font-style:italic;line-height:1.75;
  color:var(--slate-600);border-left:2px solid var(--celadon-200);padding-left:10px;
}

/* ---------- 11. 卡片 / 网格 ---------- */
.qy-grid{display:grid;gap:24px}
.qy-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.qy-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.qy-grid--asym{grid-template-columns:minmax(180px,260px) minmax(0,1fr);gap:28px 36px}
.qy-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--paper-000);border:1px solid rgba(51,70,92,.16);
  border-radius:2px;padding:20px 22px;
}
.qy-card--ink{background:var(--ink-700);color:var(--paper-100);border-color:transparent}
.qy-card__title{font-family:var(--font-display);font-weight:600;font-size:19px;line-height:1.4;letter-spacing:-.01em}
.qy-card__meta{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--slate-600)}
.qy-card__body{font-size:15px;line-height:1.85;color:var(--ink-500)}
.qy-card--ink .qy-card__meta{color:var(--celadon-200)}
.qy-card--ink .qy-card__body{color:rgba(246,241,230,.82)}

/* ---------- 12. 表格 ---------- */
.qy-table__wrap{overflow-x:auto;border:1px solid rgba(51,70,92,.18);border-radius:2px;-webkit-overflow-scrolling:touch}
.qy-table{width:100%;min-width:560px;font-size:14.5px}
.qy-table th,.qy-table td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(51,70,92,.14)}
.qy-table thead th{
  position:sticky;top:0;background:var(--paper-200);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.qy-table tbody tr:nth-child(even){background:rgba(183,207,198,.16)}
.qy-table th:first-child,.qy-table td:first-child{position:sticky;left:0;background:var(--paper-100)}
.qy-table tbody tr:nth-child(even) td:first-child{background:var(--paper-200)}
.qy-table td .qy-mono{font-size:13.5px}

/* ---------- 13. 折叠 ---------- */
.qy-fold{background:var(--paper-000);border:1px solid rgba(51,70,92,.18);border-radius:2px}
.qy-fold + .qy-fold{margin-top:10px}
.qy-fold > summary{
  display:flex;justify-content:space-between;gap:12px;align-items:baseline;
  padding:14px 18px;font-size:15.5px;font-weight:600;cursor:pointer;list-style:none;
}
.qy-fold > summary::-webkit-details-marker{display:none}
.qy-fold > summary::after{content:"＋";font-family:var(--font-mono);color:var(--celadon-700)}
.qy-fold[open] > summary::after{content:"－"}
.qy-fold__body{padding:0 18px 18px;font-size:15px;line-height:1.9;color:var(--ink-500)}

/* ---------- 14. 锚点索引 ---------- */
.qy-anchor-index{display:flex;flex-direction:column;gap:2px}
.qy-anchor-index__link{
  display:flex;gap:10px;align-items:baseline;
  padding:8px 10px 8px 12px;border-left:2px solid transparent;
  font-size:14px;line-height:1.6;color:var(--slate-600);
  transition:color .16s ease,border-color .16s ease;
}
.qy-anchor-index__link:hover{color:var(--ink-900);border-left-color:var(--celadon-200)}
.qy-anchor-index__link.is-active,
.qy-anchor-index__link[aria-current="true"]{color:var(--celadon-700);font-weight:600;border-left-color:var(--celadon-700)}

/* ---------- 15. 步骤条 / 时间轴 ---------- */
.qy-steps{display:flex;flex-wrap:wrap;border-top:1px solid rgba(51,70,92,.20)}
.qy-steps__item{flex:1 1 190px;padding:18px 18px 20px 0;border-right:1px dashed rgba(51,70,92,.20)}
.qy-steps__item:last-child{border-right:0}
.qy-steps__num{display:block;font-family:var(--font-mono);font-size:26px;line-height:1;color:var(--gold-500);margin-bottom:10px;font-variant-numeric:tabular-nums}
.qy-steps__title{font-weight:600;font-size:15.5px;line-height:1.5}
.qy-steps__desc{font-size:13.5px;line-height:1.8;color:var(--slate-600);margin-top:6px}

.qy-timeline{border-top:1px solid rgba(51,70,92,.20);margin-top:24px}
.qy-timeline__row{
  display:grid;grid-template-columns:minmax(120px,180px) minmax(0,1fr);
  gap:8px 20px;padding:18px 0;border-bottom:1px solid rgba(51,70,92,.14);
}
.qy-timeline__tick{
  font-family:var(--font-mono);font-size:13px;color:var(--ink-900);
  font-variant-numeric:tabular-nums;
}
.qy-timeline__tick::before{
  content:"";display:inline-block;width:7px;height:7px;margin-right:10px;
  background:var(--gold-500);vertical-align:1px;
}

/* ---------- 16. 时段条与筛选 ---------- */
.qy-filter{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0}
.qy-filter__btn{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  padding:6px 12px;border:1px solid rgba(51,70,92,.30);border-radius:2px;
  color:var(--ink-500);
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.qy-filter__btn:hover{border-color:var(--celadon-500);color:var(--celadon-700)}
.qy-filter__btn[aria-pressed="true"]{background:var(--ink-900);border-color:var(--ink-900);color:var(--paper-000)}
.qy-slot{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:11px 14px;border-bottom:1px solid rgba(51,70,92,.14);
  transition:transform .16s ease,background-color .16s ease,box-shadow .16s ease;
}
.qy-slot:hover{transform:translateX(2px);background:rgba(183,207,198,.20);box-shadow:inset 2px 0 0 var(--celadon-500)}
.qy-slot__time{font-family:var(--font-mono);font-size:15px;min-width:118px;color:var(--ink-900);font-variant-numeric:tabular-nums}
.qy-slot__region{flex:1 1 160px;font-size:14.5px;color:var(--ink-500)}
.qy-slot__state{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;
  padding:3px 8px;border:1px solid var(--celadon-500);border-radius:2px;color:var(--celadon-700);
}
.qy-slot__state--alert{border-color:var(--clay-500);color:var(--clay-700)}
.qy-slot__state--muted{border-color:rgba(51,70,92,.25);color:var(--slate-600)}

/* ---------- 17. 响应式 ---------- */
@media (max-width:1199px){
  :root{--rail:180px}
  .qy-cta__hint{display:none}
  .qy-nav__link{padding:9px 8px 8px;font-size:14px}
}

@media (max-width:1023px){
  .qy-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 24px}
  .qy-footer__brand,.qy-footer__contact{grid-column:span 2}
  .qy-grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:899px){
  :root{--header-h:78px;--rail:auto}
  .qy-header__inner{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
    gap:6px 12px;padding:10px 16px 12px;
  }
  .qy-header__rail{border-right:0;padding:0}
  .qy-brand__mark{font-size:17px}
  .qy-brand__sub{font-size:10.5px;letter-spacing:.1em}
  .qy-header__body{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;
    gap:8px;flex:1 1 auto;padding-left:0;
  }
  .qy-header__meta{display:none}
  .qy-fontmode{display:none}
  .qy-nav-toggle{display:inline-flex}
  .qy-cta{padding:7px 12px}
  .qy-cta__label{font-size:13px}
  .qy-nav{
    order:3;flex:1 1 100%;display:none;
    margin:8px -16px -12px;padding:8px 16px 14px;
    background:var(--ink-900);color:var(--paper-100);
  }
  .qy-header[data-open] .qy-nav{display:block}
  .qy-nav__list{flex-direction:column;gap:0}
  .qy-nav__link{
    width:100%;padding:12px 0;font-size:15px;
    border-bottom:1px dashed rgba(183,207,198,.25);
  }
  .qy-nav__link:hover{border-bottom-color:var(--celadon-500)}
  .qy-nav__link[aria-current="page"]{color:var(--gold-500);border-bottom:1px solid var(--gold-500)}
  .qy-header[data-overlay="true"]:not([data-scrolled="true"]) .qy-nav__link[aria-current="page"]{color:var(--gold-500)}

  .qy-shell{grid-template-columns:1fr;padding-inline:16px}
  .qy-rail{
    position:static;border-right:0;border-bottom:1px solid rgba(51,70,92,.18);
    padding:0 0 14px;overflow-x:auto;
  }
  .qy-anchor-index{flex-direction:row;gap:8px}
  .qy-anchor-index__link{
    border-left:0;border-bottom:2px solid transparent;
    padding:8px 10px;white-space:nowrap;
  }
  .qy-anchor-index__link:hover{border-left:0;border-bottom-color:var(--celadon-200)}
  .qy-anchor-index__link.is-active,
  .qy-anchor-index__link[aria-current="true"]{border-left:0;border-bottom-color:var(--celadon-700)}
  .qy-main{padding-left:0;padding-top:22px}

  .qy-grid--2,.qy-grid--3,.qy-grid--asym{grid-template-columns:1fr}
  .qy-section{padding:40px 0}
  .qy-slot{padding:11px 6px}
  .qy-slot__time{min-width:100px;font-size:14px}
  .qy-steps__item{flex:1 1 100%;border-right:0;border-bottom:1px dashed rgba(51,70,92,.20);padding-right:0}
  .qy-steps__item:last-child{border-bottom:0}
  .qy-timeline__row{grid-template-columns:1fr;gap:6px}
}

@media (max-width:599px){
  :root{--header-h:74px}
  .qy-footer{padding:40px 0 20px}
  .qy-footer__grid{grid-template-columns:1fr;gap:26px}
  .qy-footer__brand,.qy-footer__contact{grid-column:span 1}
  .qy-footer__legal{flex-direction:column;margin-top:30px}
  .qy-title{font-size:clamp(26px,7vw,34px)}
}

/* ---------- 18. 无障碍与动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
  }
  .qy-slot:hover{transform:none}
  .qy-skip{transition:none}
}