/* 华体汇移动版 · 共享样式 /assets/site.css */

:root{
  --ink:#0A1929;
  --panel:#102A43;
  --glass:#1B3A5B;
  --cyan:#5EEAD4;
  --amber:#FF8A3D;
  --paper:#EDE7DB;
  --stone:#7C8B99;
  --moss:#6F9E7A;
  --clay:#B9714F;
  --line:rgba(124,139,153,.26);
  --line-strong:rgba(94,234,212,.42);
  --radius:14px;
  --radius-lg:22px;
  --maxw:1180px;
  --gap:clamp(14px,2vw,24px);
  --font-display:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 560px at 84% -10%, rgba(94,234,212,.10), transparent 62%),
    radial-gradient(880px 520px at 6% 8%, rgba(255,138,61,.07), transparent 64%),
    var(--ink);
  background-attachment:fixed;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.2;
  letter-spacing:.005em;
  margin:0 0 .6em;
}
h1{font-size:clamp(30px,5vw,56px);letter-spacing:-.01em}
h2{font-size:clamp(22px,3vw,34px)}
h3{font-size:clamp(18px,2.2vw,22px);font-weight:700}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
ul,ol{padding-left:1.2em}
strong{font-weight:700;color:#fff}
small{font-size:.82em}
hr{border:0;border-top:1px solid var(--line);margin:clamp(20px,3vw,34px) 0}

:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding-inline:clamp(16px,4vw,34px)}
#main-content{display:block}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.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}
.stack>*+*{margin-top:clamp(14px,2vw,24px)}

/* ---------- 网格 ---------- */
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}

/* ---------- 跳过链接 ---------- */
.skip-link{
  position:absolute;left:50%;top:-120px;transform:translateX(-50%);
  z-index:90;padding:.6rem 1.1rem;
  background:var(--cyan);color:#052B26;font-weight:700;
  border-radius:0 0 12px 12px;
  transition:top .16s ease;
}
.skip-link:hover{text-decoration:none}
.skip-link:focus{top:0}

/* ---------- 阅读进度 ---------- */
.scroll-progress{
  position:absolute;left:0;right:0;bottom:-3px;height:3px;
  z-index:3;pointer-events:none;
}
.scroll-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
  transition:transform .12s linear;
}

/* ---------- 刊头 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg, rgba(10,25,41,.96), rgba(10,25,41,.80));
  backdrop-filter:blur(14px) saturate(125%);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  border-bottom:1px solid var(--line);
}
.masthead{padding:clamp(12px,2vw,20px) 0 0}
.masthead__grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap:clamp(12px,2vw,24px);
}
.masthead__meta{
  margin:0;display:flex;align-items:center;gap:.55rem;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--stone);
}
.masthead__meta::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);flex:none}
.masthead__brand{grid-column:2;text-align:center}
.brand{
  display:inline-flex;align-items:flex-end;gap:.5rem;
  color:var(--paper);text-decoration:none;
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(25px,3.6vw,40px);line-height:1.05;letter-spacing:.01em;
}
.brand:hover{text-decoration:none}
.brand__mark{position:relative;display:inline-block}
.brand__mark::after{
  content:"";position:absolute;left:0;right:0;bottom:-7px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
  opacity:.9;transition:opacity .16s ease;
}
.brand:hover .brand__mark::after{opacity:1}
.brand__sub{
  font-family:var(--font-mono);font-weight:500;
  font-size:clamp(10.5px,1.2vw,13px);letter-spacing:.3em;color:var(--cyan);
}
.brand__line{
  margin:.75rem 0 0;font-size:clamp(12px,1.3vw,13.5px);
  letter-spacing:.14em;color:var(--stone);
}
.masthead__quick{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end}
.quick-link{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.45rem .85rem;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(27,58,91,.45);
  color:var(--paper);font-size:13.5px;font-weight:600;
  transition:transform .16s ease,border-color .16s ease,color .16s ease,background .16s ease;
}
.quick-link::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.85;flex:none}
.quick-link:hover{text-decoration:none;transform:translateY(-1px);border-color:var(--line-strong);color:var(--cyan);background:rgba(27,58,91,.7)}
.quick-link--accent{color:var(--amber);border-color:rgba(255,138,61,.45)}
.quick-link--accent:hover{border-color:var(--amber);color:#FFB37A;background:rgba(255,138,61,.12)}

/* 移动端按钮 */
.nav-toggle{
  display:none;align-items:center;gap:.55rem;
  padding:.5rem .85rem;border-radius:999px;
  border:1px solid var(--line);background:rgba(27,58,91,.5);
  color:var(--paper);font-family:var(--font-body);font-size:13.5px;font-weight:600;
  cursor:pointer;transition:border-color .16s ease,color .16s ease;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--cyan)}
.nav-toggle__bars{position:relative;display:inline-block;width:16px;height:10px;flex:none}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;right:0;height:2px;border-radius:2px;background:currentColor;
  transition:transform .16s ease,top .16s ease,bottom .16s ease;
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.nav-toggle[aria-expanded="true"]{border-color:var(--line-strong);color:var(--cyan)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:4px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{bottom:4px;transform:rotate(-45deg)}

/* 导航 */
.site-nav{margin-top:clamp(8px,1.4vw,14px);border-top:1px solid var(--line)}
.site-nav__list{
  list-style:none;margin:0;padding:.35rem 0 .5rem;
  display:flex;flex-wrap:wrap;justify-content:center;gap:.25rem;
  counter-reset:nav;
}
.site-nav__link{
  display:inline-flex;align-items:baseline;gap:.5rem;
  padding:.55rem .9rem;border-radius:10px;
  border:1px solid transparent;
  color:rgba(237,231,219,.84);font-size:15px;font-weight:600;
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.site-nav__link::before{
  counter-increment:nav;content:counter(nav,decimal-leading-zero);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--stone);
  transition:color .16s ease;
}
.site-nav__link:hover{text-decoration:none;color:var(--paper);background:rgba(27,58,91,.55);border-color:var(--line)}
.site-nav__link:hover::before{color:var(--cyan)}
.site-nav__link[aria-current="page"]{
  color:var(--cyan);background:rgba(94,234,212,.09);border-color:var(--line-strong);
}
.site-nav__link[aria-current="page"]::before{color:var(--amber)}

/* ---------- 面包屑 / 章节头 ---------- */
.crumbs{margin:clamp(18px,3vw,30px) 0 0}
.crumbs__list{
  list-style:none;display:flex;flex-wrap:wrap;gap:.45rem;margin:0;padding:0;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--stone);
}
.crumbs__link{color:var(--stone)}
.crumbs__link:hover{color:var(--cyan);text-decoration:none}
.crumbs__sep{color:rgba(124,139,153,.55)}
.crumbs__item[aria-current="page"]{color:var(--paper)}

.section-head{display:grid;gap:.55rem;margin-bottom:clamp(16px,2.4vw,26px)}
.section-head__label{
  display:inline-flex;align-items:center;gap:.55rem;margin:0;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--cyan);
}
.section-head__label::before{content:"";width:18px;height:1px;background:var(--cyan);flex:none}
.section-head__title{margin:0}
.section-head__desc{margin:0;color:var(--stone);font-size:15px;max-width:64ch}

/* ---------- 面板 / 玻璃层 / 阅读区 ---------- */
.panel{
  background:linear-gradient(160deg,#102A43,#0E2338);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(16px,2.2vw,26px);
}
.glass{
  background:rgba(27,58,91,.5);
  border:1px solid rgba(94,234,212,.18);
  border-radius:var(--radius);
  padding:clamp(16px,2.2vw,26px);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:transform .16s ease,border-color .16s ease,background .16s ease;
}
.glass:hover,.glass:focus-within{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  background:rgba(27,58,91,.68);
}
.panel--paper{background:var(--paper);color:#0A1929;border-color:rgba(10,25,41,.14)}
.panel--paper a{color:#136b5f}

.prose{max-width:72ch;font-size:17px;line-height:1.78}
.prose h2{margin-top:1.4em;color:#fff}
.prose h3{margin-top:1.2em;color:var(--cyan)}
.prose--paper{
  max-width:none;background:var(--paper);color:#0A1929;
  border-radius:var(--radius);padding:clamp(20px,3vw,40px);
}
.prose--paper h2,.prose--paper h3,.prose--paper strong{color:#0A1929}
.prose--paper a{color:#136b5f}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.72rem 1.2rem;border-radius:999px;
  border:1px solid var(--line);background:rgba(27,58,91,.6);
  color:var(--paper);font-family:var(--font-body);font-size:15px;font-weight:600;
  cursor:pointer;text-align:center;
  transition:transform .16s ease,border-color .16s ease,background .16s ease,color .16s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--amber);border-color:transparent;color:#20140B}
.btn--primary:hover{background:#FF9E5C;color:#20140B}
.btn--ghost{border-color:var(--line-strong);color:var(--cyan);background:transparent}
.btn--ghost:hover{background:rgba(94,234,212,.12)}
.btn--quiet{background:transparent;color:var(--stone)}
.btn--quiet:hover{color:var(--paper);border-color:var(--line-strong)}

/* ---------- 标签 / 状态点 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.2rem .65rem;border-radius:999px;
  border:1px solid var(--line);background:rgba(10,25,41,.5);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--stone);
}
.tag--live{color:var(--cyan);border-color:rgba(94,234,212,.4)}
.tag--ok{color:var(--moss);border-color:rgba(111,158,122,.45)}
.tag--todo{color:var(--clay);border-color:rgba(185,113,79,.5)}
.tag--hot{color:var(--amber);border-color:rgba(255,138,61,.45)}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:currentColor;flex:none}
.dot--live{box-shadow:0 0 0 3px rgba(94,234,212,.18);animation:pulseDot 2.4s ease-in-out infinite}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.45}}

/* ---------- 筛选条 ---------- */
.filter{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.filter__btn{
  padding:.42rem .85rem;border-radius:999px;
  border:1px solid var(--line);background:rgba(27,58,91,.45);
  color:rgba(237,231,219,.85);font-family:var(--font-body);font-size:13.5px;font-weight:600;
  cursor:pointer;transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.filter__btn:hover{border-color:var(--line-strong);color:var(--cyan)}
.filter__btn[aria-pressed="true"]{background:var(--cyan);border-color:transparent;color:#052B26}
.filter__empty{margin:0;color:var(--stone);font-size:14px}
[data-filter-item][hidden]{display:none}

/* ---------- 图像容器 ---------- */
.media{
  position:relative;display:block;overflow:hidden;isolation:isolate;
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(150deg,#102A43 0%,#1B3A5B 55%,#0A1929 100%);
  aspect-ratio:16/9;
}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(94,234,212,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(94,234,212,.07) 1px,transparent 1px);
  background-size:34px 34px;
}
.media__img,.media img,.media svg{display:block;width:100%;height:100%;object-fit:cover}
.media__cap{
  margin:.6rem 0 0;font-family:var(--font-mono);font-size:12px;
  letter-spacing:.08em;color:var(--stone);
}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media--cut{clip-path:polygon(0 0,100% 0,100% 86%,86% 100%,0 100%)}
figure{margin:0}

/* ---------- 显现动画 ---------- */
html.has-js [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .18s ease,transform .18s ease;
  transition-delay:var(--reveal-delay,0ms);
}
html.has-js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(48px,7vw,96px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(16,42,67,0), rgba(16,42,67,.5) 34%, rgba(10,25,41,.92));
}
.footer-rail{border-bottom:1px solid var(--line);background:rgba(27,58,91,.32)}
.footer-rail__inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1rem;
  padding:.6rem 0;font-size:13.5px;
}
.footer-rail__label{
  display:inline-flex;align-items:center;gap:.5rem;margin:0;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;
  font-weight:700;color:var(--cyan);
}
.footer-rail__dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(94,234,212,.18);flex:none;animation:pulseDot 2.4s ease-in-out infinite}
.footer-rail__text{margin:0;color:var(--stone)}
.footer-rail__cta{
  margin-left:auto;color:var(--amber);font-weight:700;
  border-bottom:1px solid rgba(255,138,61,.5);padding-bottom:1px;
}
.footer-rail__cta:hover{text-decoration:none;color:#FFB37A;border-color:#FFB37A}

.footer-main{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) repeat(2,minmax(0,.85fr));
  gap:clamp(20px,3vw,44px);
  padding:clamp(28px,4.5vw,54px) 0;
}
.footer-brand__name{
  font-family:var(--font-display);font-size:22px;font-weight:800;
  color:var(--paper);text-decoration:none;letter-spacing:.03em;
}
.footer-brand__name:hover{text-decoration:none;color:var(--cyan)}
.footer-brand__tag{
  margin:.6rem 0 0;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.2em;color:var(--stone);text-transform:uppercase;
}
.footer-contact{margin:1.1rem 0 0;font-style:normal;display:grid;gap:.45rem}
.footer-contact__line{margin:0;font-size:14.5px;color:rgba(237,231,219,.86)}
.footer-contact__key{
  display:inline-block;min-width:4.2em;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;
  color:var(--stone);text-transform:uppercase;
}
.footer-contact__note{margin:.9rem 0 0;font-size:13px;line-height:1.72;color:var(--stone);max-width:46ch}

.footer-col__title{
  margin:0 0 .9rem;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);font-weight:700;
}
.footer-col__list{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.footer-col__link{
  color:rgba(237,231,219,.82);font-size:15px;
  border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease;
}
.footer-col__link:hover{color:var(--cyan);text-decoration:none;border-color:rgba(94,234,212,.5)}

.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:.6rem 1.5rem;padding:1.1rem 0 1.8rem;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--stone);
}
.footer-base__record{margin:0;font-family:var(--font-mono);letter-spacing:.08em}
.footer-base__closing{margin:0}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .span-3{grid-column:span 3}
  .span-4,.span-5,.span-6,.span-7,.span-8,.span-12{grid-column:span 6}
  .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:span 2}
}
@media (max-width:860px){
  .masthead__grid{
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:"brand toggle" "quick quick";
    row-gap:.7rem;
  }
  .masthead__meta{display:none}
  .masthead__brand{grid-area:brand;text-align:left}
  .brand__line{letter-spacing:.1em}
  .masthead__quick{grid-area:quick;justify-content:flex-start}
  .nav-toggle{grid-area:toggle;display:inline-flex;align-self:start}
  .site-nav{display:none}
  .site-nav[data-open]{display:block;animation:navIn .18s ease}
  .site-nav__list{flex-direction:column;align-items:stretch;padding:.5rem 0 .8rem;gap:.3rem}
  .site-nav__link{
    justify-content:space-between;width:100%;padding:.7rem .9rem;
    background:rgba(27,58,91,.35);border-color:rgba(124,139,153,.16);
  }
  .site-nav__link::before{order:2}
  @keyframes navIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
}
@media (max-width:600px){
  body{font-size:16px}
  .grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-12{grid-column:span 6}
  .footer-main{grid-template-columns:minmax(0,1fr)}
  .footer-brand{grid-column:span 1}
  .footer-rail__cta{margin-left:0}
  .footer-base{flex-direction:column;align-items:flex-start}
  .media{border-radius:12px}
}

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