/* ===========================================================
   雅博品牌 · 共享样式 /assets/site.css
   框架式导航 + 蓝图网格 + 档案纸面
   =========================================================== */

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

/* ---------- tokens ---------- */
:root{
  --green:#1F6F5C;
  --moss:#4E8F6E;
  --grad-mint:linear-gradient(135deg,#34C08A,#1F6F5C);
  --gold:#C9A227;
  --amber:#F2A33C;
  --ink:#10233A;
  --rock:#6B7684;
  --clay:#B4654A;
  --paper:#F5F1E6;
  --warm:#FDFBF6;
  --kraft:#E7DFCD;
  --line:rgba(16,35,58,.13);
  --line-strong:rgba(16,35,58,.26);
  --font-display:"Source Han Sans SC","Noto Sans SC","Alibaba PuHuiTi","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Source Han Serif SC","Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --w:1200px;
  --narrow:780px;
  --edge:24px;
}

/* ---------- base ---------- */
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    linear-gradient(to right,rgba(16,35,58,.055) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(16,35,58,.055) 1px,transparent 1px);
  background-size:48px 48px;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:7;pointer-events:none;
  background:
    linear-gradient(to right,var(--line-strong) 0 1px,transparent 1px) left var(--edge) top 0/1px 100% no-repeat,
    linear-gradient(to right,var(--line-strong) 0 1px,transparent 1px) right var(--edge) top 0/1px 100% no-repeat;
}
body::after{
  content:"";position:fixed;inset:0;z-index:8;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(to bottom,rgba(16,35,58,.05) 0 1px,transparent 1px 4px);
  animation:scanDrift 16s linear infinite;
}
@keyframes scanDrift{from{transform:translateY(0)}to{transform:translateY(4px)}}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.22;letter-spacing:.035em}
h1{font-size:clamp(30px,5vw,54px)}
h2{font-size:clamp(24px,3.2vw,34px)}
h3{font-size:clamp(19px,2.2vw,23px)}
p{text-wrap:pretty}
strong{font-weight:700;color:var(--ink)}

:where(a,button,summary,[tabindex]):focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
  border-radius:2px;
}
::selection{background:rgba(242,163,60,.35);color:var(--ink)}

/* ---------- layout ---------- */
.wrap{width:min(100% - (var(--edge) * 2),var(--w));margin-inline:auto}
.wrap--narrow{width:min(100% - (var(--edge) * 2),var(--narrow));margin-inline:auto}
.section{padding:56px 0}
.section--tight{padding:30px 0}
.section__head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;
  padding-bottom:14px;border-bottom:1px solid var(--line-strong);margin-bottom:26px;
}
.section__head h2{margin:0}
.stack>*+*{margin-top:18px}
.rule{height:1px;border:0;background:var(--line);margin:0}

.grid{display:grid;gap:24px}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

/* ---------- small type ---------- */
.eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--green)}
.index-num{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--gold)}
.note{font-size:14.5px;color:var(--rock);border-left:2px solid var(--kraft);padding-left:12px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.72em 1.15em;border:1px solid transparent;border-radius:2px;
  font-family:var(--font-display);font-weight:700;font-size:14px;line-height:1;
  letter-spacing:.07em;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--amber);color:var(--ink);box-shadow:0 2px 0 rgba(16,35,58,.22)}
.btn--primary:hover{background:#ffb454;transform:translateY(-1px)}
.btn--ghost{background:transparent;border-color:var(--green);color:var(--green)}
.btn--ghost:hover{background:rgba(31,111,92,.1);transform:translateY(-1px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,241,230,.95);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-strong);
}
.skip-link{
  position:absolute;left:12px;top:-56px;z-index:70;
  background:var(--ink);color:var(--warm);padding:10px 16px;
  font-family:var(--font-display);font-size:14px;letter-spacing:.08em;
  border-radius:0 0 2px 2px;transition:top .2s ease;
}
.skip-link:focus-visible{top:0}

.header__bar{
  width:min(100% - (var(--edge) * 2),var(--w));margin-inline:auto;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:14px 0 12px;
}
.brand{display:flex;align-items:center;gap:10px;padding-right:16px;border-right:1px solid var(--line)}
.brand__mark{
  position:relative;flex:none;width:26px;height:26px;
  background:var(--grad-mint);border:1px solid var(--green);
}
.brand__mark::after{content:"";position:absolute;right:-5px;bottom:-5px;width:9px;height:9px;background:var(--amber)}
.brand__text{display:block}
.brand__name{display:block;font-family:var(--font-display);font-weight:800;font-size:20px;line-height:1.1;letter-spacing:.09em}
.brand__sub{display:block;margin-top:3px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;color:var(--rock)}

.statusbar{
  display:flex;align-items:center;gap:12px;
  margin-inline:auto;padding:5px 12px;
  border:1px solid var(--line);background:var(--warm);
}
.statusbar__cap{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--rock)}
.statusbar__track{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.statusbar__step{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border:1px dashed transparent;border-radius:999px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;color:var(--rock);
  transition:background .24s ease,color .24s ease;
}
.statusbar__step::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--kraft);border:1px solid var(--rock);flex:none;
}
.statusbar__step.is-active{
  background:var(--grad-mint);color:#0c2a22;border-color:transparent;
  box-shadow:0 1px 0 rgba(16,35,58,.16);
}
.statusbar__step.is-active::before{background:var(--warm);border-color:var(--warm)}

.header__actions{display:flex;align-items:center;gap:10px;margin-left:auto}

.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:10px 12px;border:1px solid var(--line-strong);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--ink);
  background:var(--warm);cursor:pointer;
}
.nav-toggle__bars{position:relative;display:block;width:16px;height:2px;background:var(--ink)}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);transition:transform .2s ease,top .2s ease;
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle[aria-expanded="true"]{border-color:var(--amber);background:rgba(242,163,60,.16)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg)}

.site-nav{
  border-top:1px solid var(--line-strong);
  background:linear-gradient(to bottom,rgba(231,223,205,.62),rgba(253,251,246,.36));
}
.nav-list{
  width:min(100% - (var(--edge) * 2),var(--w));margin-inline:auto;
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));
}
.nav-list__item{position:relative;border-left:1px solid var(--line)}
.nav-list__item:last-child{border-right:1px solid var(--line)}
.nav-link{
  position:relative;display:flex;align-items:center;gap:9px;
  padding:13px 14px;font-family:var(--font-display);font-weight:700;
  font-size:14.5px;letter-spacing:.06em;color:var(--ink);
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-link::before{
  content:"";flex:none;width:5px;height:5px;background:var(--gold);opacity:.55;
  transition:transform .2s ease,background-color .2s ease,opacity .2s ease,box-shadow .2s ease;
}
.nav-link__idx{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;color:var(--gold);font-weight:400}
.nav-link__label{display:block}
.nav-link:hover{background:rgba(78,143,110,.1);color:var(--green)}
.nav-link:hover::before{background:var(--moss);opacity:1}
.nav-link[aria-current="page"]{
  background:var(--warm);color:var(--green);
  box-shadow:inset 0 -3px 0 var(--amber);
}
.nav-link[aria-current="page"] .nav-link__idx{color:var(--amber)}
.nav-link[aria-current="page"]::before{
  background:var(--amber);opacity:1;transform:scale(1.35);
  box-shadow:0 0 0 3px rgba(242,163,60,.22);
}

.scroll-progress{
  position:absolute;left:0;bottom:-1px;width:100%;height:2px;z-index:2;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--green),var(--gold),var(--amber));
}

@keyframes navIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:72px;
  background:var(--ink);color:#E6E1D2;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(201,162,39,.11) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(201,162,39,.11) 1px,transparent 1px);
  background-size:64px 64px;
}
.footer__inner{
  position:relative;display:grid;gap:28px;
  grid-template-columns:1.4fr .9fr .9fr .9fr 1.2fr;
  padding:56px 0 42px;
}
.footer__brand{display:flex;flex-direction:column;gap:10px}
.footer__mark{
  font-family:var(--font-display);font-weight:800;font-size:21px;letter-spacing:.1em;
  color:var(--warm);padding-bottom:8px;border-bottom:2px solid var(--gold);
}
.footer__lede{font-size:15px;line-height:1.8;color:#B9C0C9}
.footer__meta{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:#9FA9B4}
.footer__key{
  display:inline-block;margin-right:6px;color:var(--gold);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
}
.footer__title{
  font-family:var(--font-mono);font-weight:400;font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold);
  padding-bottom:10px;margin-bottom:14px;border-bottom:1px solid rgba(201,162,39,.28);
}
.footer__list li+li{margin-top:2px}
.footer__link{
  display:inline-block;padding:5px 0;font-size:15px;color:#DBD6C7;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.footer__link:hover{color:var(--warm);border-bottom-color:var(--gold);transform:translateX(2px)}
.footer__contact{display:flex;flex-direction:column}
.footer__line{font-size:14.5px;line-height:1.8;color:#C6CCD4;margin-bottom:8px}

.footer__base{position:relative;border-top:1px solid rgba(201,162,39,.24)}
.footer__base-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 26px;
  padding:18px 0;font-size:13.5px;color:#A4AEBA;
}
.footer__note{flex:1 1 320px;min-width:0}
.footer__legal{display:flex;flex-wrap:wrap;gap:18px}
.footer__legal .footer__link{font-size:13.5px;padding:2px 0;color:#C6CCD4}
.footer__copy{margin-left:auto;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:#8C97A3}

/* ---------- breadcrumbs ---------- */
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.08em;color:var(--rock);
}
.breadcrumbs__item{display:inline-flex;align-items:center}
.breadcrumbs__item::after{content:"/";margin-left:8px;color:var(--kraft)}
.breadcrumbs__item:last-child::after{content:"";margin:0}
.breadcrumbs__link{color:var(--green);border-bottom:1px solid rgba(31,111,92,.35)}
.breadcrumbs__link:hover{border-bottom-color:var(--amber)}

/* ---------- cards ---------- */
.card{
  position:relative;background:var(--warm);border:1px solid var(--kraft);
  box-shadow:4px 4px 0 rgba(231,223,205,.75);
  padding:22px;
}
.card--flat{box-shadow:none}
.card h3{margin-bottom:8px}

/* ---------- figures ---------- */
.figure{display:block;margin:0}
.figure__media{
  position:relative;overflow:hidden;
  border:1px solid var(--line-strong);
  background-color:var(--kraft);
  background-image:linear-gradient(135deg,rgba(31,111,92,.12),rgba(201,162,39,.14));
}
.figure__media img{width:100%;height:100%;object-fit:cover}
.figure__media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(16,35,58,.08) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(16,35,58,.08) 1px,transparent 1px);
  background-size:22px 22px;
}
.figure--16x9 .figure__media{aspect-ratio:16/9}
.figure--4x3 .figure__media{aspect-ratio:4/3}
.figure--1x1 .figure__media{aspect-ratio:1/1}
.figure--tall .figure__media{aspect-ratio:3/4}
.figure__cap{margin-top:9px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--rock)}

/* ---------- record timeline ---------- */
.record-list{position:relative;padding-left:22px;border-left:1px solid var(--line-strong)}
.record{position:relative;padding-bottom:28px}
.record:last-child{padding-bottom:6px}
.record__dot{
  position:absolute;left:-28px;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--warm);border:2px solid var(--moss);
}
.record--done .record__dot{background:var(--grad-mint);border-color:var(--green)}
.record--alert .record__dot{background:var(--clay);border-color:var(--clay)}
.record__meta{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;color:var(--rock)}
.record__title{font-family:var(--font-display);font-size:18px;letter-spacing:.04em;margin:4px 0 6px}
.record__text{font-size:16px;color:#33465C}

/* ---------- collapsible panel ---------- */
.panel{border:1px solid var(--kraft);background:var(--warm);margin-bottom:12px}
.panel>summary{
  display:flex;align-items:center;gap:11px;cursor:pointer;list-style:none;
  padding:14px 16px;font-family:var(--font-display);font-weight:700;
  font-size:16px;letter-spacing:.05em;color:var(--ink);
}
.panel>summary::-webkit-details-marker{display:none}
.panel>summary::before{
  content:"";flex:none;width:8px;height:8px;background:var(--gold);
  transition:transform .24s ease,background-color .24s ease;
}
.panel[open]>summary{box-shadow:inset 3px 0 0 var(--amber)}
.panel[open]>summary::before{transform:rotate(45deg);background:var(--amber)}
.panel__body{padding:0 16px 18px;font-size:16px;animation:panelIn .24s ease both}
@keyframes panelIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- filter ---------- */
.filter{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0}
.filter__btn{
  padding:7px 13px;border:1px solid var(--line-strong);background:transparent;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--rock);
  cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.filter__btn:hover{border-color:var(--green);color:var(--green)}
.filter__btn[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--warm)}
.is-filter-in{animation:fadeUp .3s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- tags / stats ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:3px 9px;
  border:1px solid var(--line-strong);background:var(--warm);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--rock);
}
.tag--gold{border-color:var(--gold);background:rgba(201,162,39,.12);color:#8A6F16}
.tag--moss{border-color:var(--moss);background:rgba(78,143,110,.14);color:var(--green)}
.tag--clay{border-color:var(--clay);background:rgba(180,101,74,.12);color:var(--clay)}

.stat{padding:18px 18px 16px;border-left:3px solid var(--gold);background:linear-gradient(to right,rgba(201,162,39,.1),transparent)}
.stat__num{display:block;font-family:var(--font-mono);font-size:30px;letter-spacing:.02em;color:var(--ink);line-height:1.3}
.stat__label{font-size:14px;color:var(--rock)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .footer__inner{grid-template-columns:1.3fr 1fr 1fr;gap:26px}
  .footer__brand{grid-column:span 3}
  .footer__contact{grid-column:span 3}
}
@media (max-width:960px){
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .col-4,.col-5,.col-6,.col-7,.col-8{grid-column:span 6}
}
@media (max-width:900px){
  :root{--edge:18px}
  body::before{display:none}
  .header__bar{padding:12px 0 10px;gap:12px}
  .brand{border-right:0;padding-right:0}
  .statusbar{order:3;width:100%;margin-inline:0;justify-content:space-between}
  .header__actions{margin-left:auto}
  .header__actions .btn--ghost{display:none}
  .nav-toggle{display:inline-flex}
  .site-nav{display:none;border-top:1px solid var(--line-strong)}
  .site-nav[data-open]{display:block;animation:navIn .22s ease both}
  .nav-list{width:100%;grid-template-columns:1fr}
  .nav-list__item{border-left:0;border-top:1px solid var(--line)}
  .nav-list__item:last-child{border-right:0}
  .nav-link{padding:14px 18px}
  .nav-link[aria-current="page"]{box-shadow:inset 3px 0 0 var(--amber)}
}
@media (max-width:680px){
  body{font-size:16px}
  .section{padding:40px 0}
  .footer__inner{grid-template-columns:1fr 1fr;padding:42px 0 30px}
  .footer__brand,.footer__contact{grid-column:span 2}
  .footer__base-inner{flex-direction:column;align-items:flex-start;gap:10px}
  .footer__copy{margin-left:0}
  .grid--12{grid-template-columns:1fr}
  .col-4,.col-5,.col-6,.col-7,.col-8,.col-12{grid-column:auto}
}
@media (max-width:420px){
  .footer__inner{grid-template-columns:1fr}
  .footer__brand,.footer__contact{grid-column:auto}
}

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