/* ============================================================
   谈球吧主站 · 共享样式 /assets/site.css
   色彩结构：奶油纸正文 — 浅青灰提示 — 深墨绿数据带 — 深棕黑页脚
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}

/* ---------- 2. Tokens ---------- */
:root{
  --ink:#0B2B26;
  --ink-2:#201A16;
  --paper:#F3E9D7;
  --paper-lift:#FBF6EC;
  --cyan:#38F2D0;
  --cyan-ink:#0E7F70;
  --orange:#FF8A2A;
  --orange-ink:#B85700;
  --magenta:#E33B77;
  --moss:#3F6B58;
  --slate:#6E7D74;
  --rust:#C94C32;
  --mist:#DCE9E3;
  --line:rgba(32,26,22,.14);
  --line-dark:rgba(243,233,215,.16);
  --font-head:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --radius:8px;
  --container:1180px;
  --gutter:clamp(16px,4vw,40px);
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 3. Base ---------- */
body{
  background:var(--paper);
  color:var(--ink-2);
  font-family:var(--font-head);
  font-size:clamp(16px,.4vw + 15px,17.5px);
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.24;color:var(--ink-2)}
h1{font-size:clamp(34px,5vw,60px)}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:clamp(18px,1.8vw,22px)}
small{font-size:12.5px;color:var(--slate)}
:focus-visible{outline:2px solid var(--cyan-ink);outline-offset:3px;border-radius:2px}
.tq-header :focus-visible,.tq-footer :focus-visible,.tq-section--dark :focus-visible{outline-color:var(--cyan)}

/* ---------- 4. Utilities ---------- */
.tq-container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.tq-visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.tq-skip{
  position:fixed;top:10px;left:10px;z-index:400;
  padding:10px 18px;border-radius:6px;
  background:var(--cyan);color:var(--ink);
  font-weight:700;font-size:14px;
  transform:translateY(-180%);
  transition:transform .2s var(--ease);
}
.tq-skip:focus,.tq-skip:focus-visible{transform:none}

/* ---------- 5. 基础组件：按钮 / 徽章 / 文字标记 ---------- */
.tq-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border:1px solid transparent;border-radius:6px;
  font-weight:700;font-size:15px;line-height:1.2;letter-spacing:.01em;
  cursor:pointer;transition:transform .18s var(--ease),background .2s linear,color .2s linear,border-color .2s linear;
}
.tq-btn--sm{padding:8px 14px;font-size:13px}
.tq-btn--primary{background:var(--orange);color:var(--ink-2);border-color:var(--orange)}
.tq-btn--primary:hover{background:#FF9E4F;transform:translateY(-1px)}
.tq-btn--ghost{background:transparent;color:var(--cyan);border-color:rgba(56,242,208,.5)}
.tq-btn--ghost:hover{background:rgba(56,242,208,.12);border-color:var(--cyan)}
.tq-btn--outline{background:transparent;color:var(--ink);border-color:rgba(11,43,38,.4)}
.tq-btn--outline:hover{background:var(--ink);color:var(--paper-lift);border-color:var(--ink)}
.tq-btn:active{transform:translateY(0)}

.tq-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border:1px solid currentColor;border-radius:4px;
  font-size:11px;font-weight:700;letter-spacing:.08em;line-height:1.5;
  color:var(--cyan-ink);background:rgba(56,242,208,.14);
}
.tq-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.tq-badge--live{color:var(--cyan-ink);background:rgba(56,242,208,.16)}
.tq-badge--refresh{color:var(--orange-ink);background:rgba(255,138,42,.14)}
.tq-badge--beta{color:var(--magenta);background:rgba(227,59,119,.12)}
.tq-rail .tq-badge--live,.tq-footer .tq-badge--live{color:var(--cyan)}
.tq-rail .tq-badge--refresh,.tq-footer .tq-badge--refresh{color:var(--orange)}
.tq-rail .tq-badge--beta,.tq-footer .tq-badge--beta{color:var(--magenta)}

.tq-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:11.5px;font-weight:600;
  letter-spacing:.18em;color:var(--cyan-ink);
}
.tq-eyebrow::before{content:"";width:22px;height:2px;background:var(--rust);flex:none}
.tq-section--dark .tq-eyebrow{color:var(--cyan)}
.tq-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:-.01em}
.tq-display{
  font-family:var(--font-mono);font-weight:700;
  font-size:clamp(72px,14vw,180px);line-height:.82;letter-spacing:-.05em;
  color:var(--orange);
}

/* ---------- 6. Header ---------- */
.tq-header{
  position:sticky;top:0;z-index:200;
  background:var(--ink);color:var(--paper-lift);
  border-bottom:1px solid rgba(56,242,208,.2);
  transition:box-shadow .25s linear;
}
.tq-header[data-stuck="true"]{box-shadow:0 20px 44px -30px rgba(0,0,0,.95)}
.tq-progress{height:3px;background:rgba(243,233,215,.1);overflow:hidden}
.tq-progress__bar{
  display:block;height:100%;width:100%;
  background:linear-gradient(90deg,var(--cyan) 0%,var(--cyan) 60%,var(--orange) 100%);
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .12s linear;
}
.tq-header__bar{padding-block:10px}
.tq-header__inner{display:flex;align-items:center;gap:clamp(10px,1.6vw,22px)}

/* 品牌 */
.tq-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.tq-brand__mark{
  display:grid;place-items:center;width:38px;height:38px;flex:none;
  background:var(--cyan);color:var(--ink);
  border-radius:4px;
  clip-path:polygon(16% 0,100% 0,84% 100%,0 100%);
}
.tq-brand__mark-txt{font-family:var(--font-mono);font-weight:700;font-size:13.5px;letter-spacing:.04em}
.tq-brand__text{display:flex;flex-direction:column;line-height:1.18}
.tq-brand__name{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--paper-lift)}
.tq-brand__desc{font-size:11px;letter-spacing:.07em;color:rgba(243,233,215,.62)}

/* 命令栏导航 */
.tq-nav{display:flex;align-items:center;margin-left:auto}
.tq-nav__list{display:flex;align-items:center;gap:2px}
.tq-nav__item{display:block}
.tq-nav__link{
  position:relative;display:inline-block;
  padding:9px 13px;font-size:14px;font-weight:500;line-height:1.4;
  color:rgba(243,233,215,.82);
  transition:color .2s linear;
}
.tq-nav__link::before{
  content:"";position:absolute;inset:4px 0;
  background:rgba(56,242,208,.12);
  clip-path:polygon(10px 0,100% 0,calc(100% - 10px) 100%,0 100%);
  opacity:0;transition:opacity .2s linear;
}
.tq-nav__link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .28s var(--ease);
}
.tq-nav__link:hover{color:var(--paper-lift)}
.tq-nav__link:hover::before{opacity:.8}
.tq-nav__link:hover::after{transform:scaleX(1)}
.tq-nav__link[aria-current="page"]{color:var(--cyan);font-weight:700}
.tq-nav__link[aria-current="page"]::before{opacity:1}
.tq-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.tq-nav__quick{display:none}

.tq-header__actions{display:flex;align-items:center;gap:8px;margin-left:6px}

/* 移动按钮 */
.tq-navtoggle{
  display:none;align-items:center;gap:8px;
  padding:8px 12px;border:1px solid rgba(56,242,208,.45);border-radius:6px;
  color:var(--cyan);font-size:13px;font-weight:700;
  transition:background .2s linear,border-color .2s linear;
}
.tq-navtoggle:hover{background:rgba(56,242,208,.12);border-color:var(--cyan)}
.tq-navtoggle__bars{position:relative;display:block;width:16px;height:2px;background:currentColor;border-radius:1px}
.tq-navtoggle__bars::before,.tq-navtoggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:1px;
}
.tq-navtoggle__bars::before{top:-5px}
.tq-navtoggle__bars::after{top:5px}
.tq-navtoggle__label{letter-spacing:.04em}
.tq-header[data-open="true"] .tq-navtoggle{background:var(--cyan);color:var(--ink);border-color:var(--cyan)}

/* 状态轨道 */
.tq-rail{background:var(--ink-2);border-top:1px solid rgba(56,242,208,.16)}
.tq-rail__inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-block:6px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;
  color:rgba(243,233,215,.58);
}
.tq-rail__note{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tq-rail__legend{display:flex;align-items:center;gap:14px;flex:none}

/* ---------- 7. Footer ---------- */
.tq-footer{
  position:relative;overflow:hidden;
  background:var(--ink-2);color:rgba(243,233,215,.78);
  font-size:15px;
}
.tq-footer__seam{
  height:8px;
  background:linear-gradient(90deg,var(--cyan) 0 16%,var(--orange) 16% 24%,var(--magenta) 24% 29%,rgba(243,233,215,.14) 29% 100%);
}
.tq-footer__inner{position:relative}
.tq-footer__top{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:clamp(24px,4vw,56px);
  padding-block:clamp(32px,5vw,58px);
}
.tq-footer__brandline{
  font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.03em;line-height:1.2;
  color:var(--paper-lift);
}
.tq-footer__summary{margin-top:12px;max-width:44ch;font-size:14.5px;line-height:1.8;color:rgba(243,233,215,.68)}
.tq-footer__contact{display:grid;gap:7px;margin-top:22px;font-size:13.5px}
.tq-footer__contact-item{display:flex;align-items:baseline;gap:10px;line-height:1.7}
.tq-footer__label{
  flex:none;min-width:38px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:rgba(243,233,215,.42);
}
.tq-footer__cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,3vw,32px)}
.tq-footer__col{min-width:0}
.tq-footer__heading{
  margin-bottom:14px;
  font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.18em;
  color:var(--cyan);
}
.tq-footer__list{display:grid;gap:9px}
.tq-footer__link{
  display:inline-block;
  font-size:14px;color:rgba(243,233,215,.82);
  border-bottom:1px solid transparent;
  transition:color .2s linear,border-color .2s linear;
}
.tq-footer__link:hover,.tq-footer__link:focus-visible{color:var(--paper-lift);border-bottom-color:var(--rust)}
.tq-footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 26px;
  padding-block:18px 26px;
  border-top:1px dashed var(--line-dark);
  font-size:12.5px;color:rgba(243,233,215,.55);
}
.tq-footer__meta{font-family:var(--font-mono);letter-spacing:.02em}
.tq-footer__note{margin:0}

/* ---------- 8. 版式与内容组件 ---------- */
.tq-section{padding-block:clamp(38px,6vw,76px)}
.tq-section--paper{background:var(--paper-lift)}
.tq-section--mist{background:var(--mist)}
.tq-section--dark{background:var(--ink);color:rgba(243,233,215,.86)}
.tq-section--dark h1,.tq-section--dark h2,.tq-section--dark h3{color:var(--paper-lift)}

.tq-grid{display:grid;gap:clamp(18px,3vw,32px)}
.tq-grid--7-5{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.tq-grid--8-4{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}
.tq-grid--3-6-3{grid-template-columns:minmax(0,3fr) minmax(0,6fr) minmax(0,3fr)}

.tq-card{
  background:var(--paper-lift);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(16px,2.4vw,26px);
  transition:transform .2s var(--ease),box-shadow .2s linear,border-color .2s linear;
}
.tq-card:hover{transform:translateY(-2px);box-shadow:0 20px 38px -30px rgba(11,43,38,.8);border-color:rgba(14,127,112,.45)}
.tq-card--index{border-left:3px solid var(--orange);border-radius:0 var(--radius) var(--radius) 0}
.tq-section--dark .tq-card{background:rgba(243,233,215,.06);border-color:var(--line-dark);color:rgba(243,233,215,.86)}

.tq-prose{max-width:70ch;font-size:17px;line-height:1.78}
.tq-prose h2{margin:1.7em 0 .55em;font-size:clamp(24px,3vw,32px)}
.tq-prose h3{margin:1.5em 0 .45em}
.tq-prose p+p{margin-top:1em}
.tq-prose ul,.tq-prose ol{margin:1em 0;padding-left:1.15em}
.tq-prose ul li{position:relative;padding-left:.9em}
.tq-prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;background:var(--rust);border-radius:1px}
.tq-prose ol{list-style:decimal;padding-left:1.4em}
.tq-prose a{color:var(--cyan-ink);border-bottom:1px solid rgba(14,127,112,.45)}
.tq-prose a:hover{border-bottom-color:var(--rust)}

.tq-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:16px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--slate);
}
.tq-breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.tq-breadcrumb li+li::before{content:"/";color:var(--rust)}
.tq-breadcrumb a{color:var(--slate);border-bottom:1px solid transparent}
.tq-breadcrumb a:hover{color:var(--cyan-ink);border-bottom-color:rgba(14,127,112,.4)}

/* 图片容器（页面阶段放入 <img>） */
.tq-media{
  position:relative;overflow:hidden;
  aspect-ratio:16/9;
  border-radius:var(--radius);
  background:var(--ink);
  border:1px solid rgba(11,43,38,.25);
}
.tq-media img{width:100%;height:100%;object-fit:cover}
.tq-media--wide{aspect-ratio:21/9}
.tq-media--tall{aspect-ratio:3/4}
.tq-media--square{aspect-ratio:1/1}
.tq-media--skew{clip-path:polygon(0 0,100% 0,100% 88%,0 100%);border-radius:0}
.tq-media--grain::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(56,242,208,.16) 0 1px,transparent 1px 9px);
  mix-blend-mode:screen;
}
.tq-media__cap{
  position:absolute;left:0;bottom:0;z-index:1;
  padding:7px 12px;
  background:var(--ink-2);color:var(--cyan);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
}

/* 目录索引高亮 */
.tq-toc{display:grid;gap:2px;padding-left:14px;border-left:2px solid var(--line)}
.tq-toc__link{
  display:block;margin-left:-16px;padding:7px 0 7px 14px;
  border-left:2px solid transparent;
  font-size:13.5px;color:var(--slate);
  transition:color .2s linear,border-color .2s linear,background .2s linear;
}
.tq-toc__link:hover{color:var(--ink)}
.tq-toc__link[aria-current="true"]{
  color:var(--ink);font-weight:700;
  border-left-color:var(--orange);
  background:linear-gradient(90deg,rgba(56,242,208,.35),rgba(56,242,208,0) 72%);
}

/* ---------- 9. 动效 ---------- */
.has-js [data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .55s linear,transform .55s var(--ease);
}
.has-js [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 10. 响应式 ---------- */
@media (max-width:1080px){
  .tq-nav__link{padding-inline:10px;font-size:13px}
  .tq-nav__link::after{left:10px;right:10px}
}
@media (max-width:900px){
  html{scroll-padding-top:96px}
  .tq-header__actions{display:none}
  .tq-navtoggle{display:inline-flex}
  .tq-nav{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;
    margin-left:0;padding:10px var(--gutter) 20px;
    background:var(--ink);
    border-bottom:1px solid rgba(56,242,208,.28);
    box-shadow:0 28px 40px -30px rgba(0,0,0,.95);
    max-height:calc(100dvh - 96px);overflow-y:auto;
  }
  .tq-nav[data-open="true"]{display:flex}
  .tq-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .tq-nav__item{border-bottom:1px solid rgba(243,233,215,.1)}
  .tq-nav__link{display:block;padding:14px 6px;font-size:15.5px}
  .tq-nav__link::before{inset:6px 0;opacity:0}
  .tq-nav__link::after{left:6px;right:auto;width:34px;bottom:8px}
  .tq-nav__link[aria-current="page"]::after{transform:scaleX(1)}
  .tq-nav__quick{display:flex;gap:10px;padding-top:16px;margin-top:6px;border-top:1px dashed var(--line-dark)}
  .tq-nav__quick .tq-btn{flex:1}
  .tq-rail__inner{font-size:11px;gap:10px}
  .tq-footer__top{grid-template-columns:minmax(0,1fr)}
  .tq-grid--7-5,.tq-grid--8-4,.tq-grid--3-6-3{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:620px){
  .tq-brand__mark{width:34px;height:34px}
  .tq-brand__name{font-size:17px}
  .tq-brand__desc{font-size:10px}
  .tq-rail__note{display:none}
  .tq-rail__inner{justify-content:flex-start}
  .tq-footer__cols{grid-template-columns:minmax(0,1fr)}
  .tq-footer__bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- 11. Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .has-js [data-reveal]{opacity:1;transform:none}
  .tq-progress__bar{transition:none}
  .tq-btn:hover,.tq-card:hover,.tq-footer__link:hover{transform:none}
}