/* ===========================================================
   利记官网 · 共享样式 /assets/site.css
   城市导视系统 + 老式路牌档案：方向带、水平线、编号、胶囊
   =========================================================== */

/* ---------- 1. 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,dl,figure,blockquote,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video,picture{display:block;max-width:100%}
img{height:auto}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
table{border-collapse:collapse;width:100%}
hr{border:0}

/* ---------- 2. 变量 ---------- */
:root{
  --lj-yellow:#F5C518;
  --lj-yellow-soft:#FFE07A;
  --lj-yellow-deep:#C99A00;
  --lj-ink:#0F3D2E;
  --lj-ink-deep:#08251C;
  --lj-ink-mid:#1F5A45;
  --lj-concrete:#B8B8B0;
  --lj-concrete-deep:#7A7A72;
  --lj-paper:#F7F5EF;
  --lj-paper-bright:#FFFDF7;

  --lj-rule:rgba(15,61,46,.16);
  --lj-rule-strong:rgba(15,61,46,.42);
  --lj-light-rule:rgba(247,245,239,.16);

  --lj-radius-sm:10px;
  --lj-radius:18px;
  --lj-radius-lg:28px;
  --lj-pill:999px;

  --lj-shadow:0 22px 46px -30px rgba(8,37,28,.6);
  --lj-shadow-soft:0 14px 30px -22px rgba(8,37,28,.5);

  --lj-font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --lj-font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --lj-max:1320px;
  --lj-gutter:clamp(18px,3.4vw,44px);
}

/* ---------- 3. 基础排版 ---------- */
body{
  font-family:var(--lj-font-sans);
  font-size:clamp(15px,1.05vw,17px);
  line-height:1.7;
  font-weight:400;
  color:var(--lj-ink);
  background-color:var(--lj-paper);
  background-image:
    repeating-linear-gradient(0deg,rgba(15,61,46,.026) 0 1px,transparent 1px 6px),
    repeating-linear-gradient(90deg,rgba(15,61,46,.018) 0 1px,transparent 1px 6px);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{
  font-weight:900;
  line-height:1.1;
  letter-spacing:-.02em;
  color:var(--lj-ink);
  text-wrap:balance;
}
p{text-wrap:pretty}
::selection{background:var(--lj-yellow);color:var(--lj-ink-deep)}
:focus-visible{
  outline:3px solid var(--lj-yellow-deep);
  outline-offset:3px;
  border-radius:4px;
}
#main-content{display:block;scroll-margin-top:132px}
strong,b{font-weight:800}
code,kbd,samp{font-family:var(--lj-font-mono);font-size:.92em}

/* ---------- 4. 跳转主内容 ---------- */
.lj-skip{
  position:fixed;
  top:10px;
  left:12px;
  z-index:300;
  display:inline-flex;
  align-items:center;
  padding:11px 20px;
  border-radius:var(--lj-pill);
  background:var(--lj-yellow);
  color:var(--lj-ink-deep);
  font-size:14px;
  font-weight:800;
  text-decoration:none;
  box-shadow:var(--lj-shadow);
  transform:translateY(-180%);
  transition:transform .18s ease;
}
.lj-skip:focus,
.lj-skip:focus-visible{transform:translateY(0)}

/* ---------- 5. 页头 · 方向带 ---------- */
.lj-header{
  position:sticky;
  top:0;
  z-index:80;
}
.lj-band{
  position:relative;
  background:var(--lj-ink);
  color:var(--lj-paper);
  border-bottom:1px solid var(--lj-ink-deep);
}
.lj-band__inner{
  max-width:var(--lj-max);
  margin-inline:auto;
  padding:9px var(--lj-gutter) 11px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  font-family:var(--lj-font-mono);
  font-size:12px;
  letter-spacing:.1em;
  line-height:1.5;
}
.lj-band__now{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:rgba(247,245,239,.72);
  min-width:0;
}
.lj-band__dot{
  width:8px;height:8px;
  flex:none;
  background:var(--lj-yellow);
  border-radius:2px;
}
.lj-band__here{
  color:var(--lj-paper-bright);
  font-weight:700;
  letter-spacing:.14em;
}
.lj-band__next{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:rgba(247,245,239,.66);
  min-width:0;
}
.lj-band__next a{
  color:var(--lj-yellow);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color .18s ease,border-color .18s ease;
}
.lj-band__next a:hover,
.lj-band__next a:focus-visible{
  color:var(--lj-yellow-soft);
  border-bottom-color:var(--lj-yellow-soft);
}
.lj-band__sep{color:rgba(247,245,239,.4)}
.lj-band__progress{
  position:absolute;
  left:0;right:0;bottom:0;
  height:3px;
  background:linear-gradient(90deg,var(--lj-yellow),var(--lj-yellow-soft));
  transform:scaleX(0);
  transform-origin:0 50%;
  will-change:transform;
}
.lj-arrow{
  font-family:var(--lj-font-mono);
  display:inline-block;
  line-height:1;
  transition:transform .18s ease;
}

/* ---------- 6. 页头 · 工具条 ---------- */
.lj-header__bar{
  position:relative;
  background:var(--lj-paper-bright);
  border-bottom:1px solid var(--lj-rule-strong);
}
.lj-header__bar::after{
  content:"";
  position:absolute;
  left:0;bottom:-1px;
  width:clamp(64px,12vw,180px);
  height:3px;
  background:var(--lj-yellow);
}
.lj-header__inner{
  max-width:var(--lj-max);
  margin-inline:auto;
  padding:0 var(--lj-gutter);
  min-height:78px;
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,30px);
}
.lj-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:var(--lj-ink);
  flex:none;
}
.lj-brand__mark{
  width:44px;height:44px;
  flex:none;
  display:grid;
  place-items:center;
  background:var(--lj-yellow);
  color:var(--lj-ink-deep);
  font-size:22px;
  font-weight:900;
  line-height:1;
  border-radius:13px;
  box-shadow:inset 0 0 0 2px rgba(8,37,28,.16);
  transition:transform .18s ease,background .18s ease;
}
.lj-brand:hover .lj-brand__mark{transform:translateY(-2px);background:var(--lj-yellow-soft)}
.lj-brand__text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.lj-brand__name{font-size:20px;font-weight:900;letter-spacing:.02em}
.lj-brand__tagline{
  font-family:var(--lj-font-mono);
  font-size:10.5px;
  letter-spacing:.16em;
  color:var(--lj-concrete-deep);
  margin-top:3px;
}

/* ---------- 7. 导航 ---------- */
.lj-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:clamp(8px,1.4vw,22px);
  min-width:0;
}
.lj-nav__list{
  display:flex;
  align-items:center;
  gap:clamp(1px,.45vw,8px);
  min-width:0;
}
.lj-nav__link{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:9px 12px;
  border-radius:var(--lj-pill);
  font-size:15px;
  font-weight:500;
  line-height:1.4;
  white-space:nowrap;
  text-decoration:none;
  color:var(--lj-ink);
  transition:background .18s ease,color .18s ease;
}
.lj-nav__num{
  font-family:var(--lj-font-mono);
  font-size:10px;
  letter-spacing:.08em;
  color:var(--lj-concrete-deep);
  transition:color .18s ease;
}
.lj-nav__link:hover{background:rgba(245,197,24,.24)}
.lj-nav__link:hover .lj-nav__num{color:var(--lj-yellow-deep)}
.lj-nav__link[aria-current="page"]{
  background:var(--lj-ink);
  color:var(--lj-paper-bright);
  font-weight:700;
}
.lj-nav__link[aria-current="page"] .lj-nav__num{color:var(--lj-yellow)}
.lj-nav__link[aria-current="page"]:hover{background:var(--lj-ink-mid)}
.lj-nav__actions{
  display:flex;
  align-items:center;
  gap:8px;
  padding-left:clamp(8px,1.2vw,18px);
  border-left:1px solid var(--lj-rule);
}

/* ---------- 8. 按钮 ---------- */
.lj-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--lj-pill);
  background:var(--lj-yellow);
  color:var(--lj-ink-deep);
  font-size:14px;
  font-weight:800;
  letter-spacing:.01em;
  line-height:1.35;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.lj-btn:hover{
  transform:translateY(-2px);
  background:var(--lj-yellow-soft);
  box-shadow:0 14px 26px -18px rgba(8,37,28,.9);
}
.lj-btn:hover .lj-arrow{transform:translateX(4px)}
.lj-btn--ghost{
  background:transparent;
  color:var(--lj-ink);
  border-color:var(--lj-rule-strong);
}
.lj-btn--ghost:hover{
  background:var(--lj-ink);
  color:var(--lj-paper-bright);
  border-color:var(--lj-ink);
}
.lj-btn--dark{
  background:var(--lj-ink);
  color:var(--lj-paper-bright);
}
.lj-btn--dark:hover{background:var(--lj-ink-mid)}
.lj-btn--sm{padding:8px 15px;font-size:13px}
.lj-btn--block{width:100%}

/* ---------- 9. 移动菜单按钮 ---------- */
.lj-nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  margin-left:auto;
  padding:10px 17px;
  border-radius:var(--lj-pill);
  background:var(--lj-ink);
  color:var(--lj-paper-bright);
  border:1px solid var(--lj-ink);
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:background .18s ease;
}
.lj-nav-toggle:hover{background:var(--lj-ink-mid)}
.lj-nav-toggle__bars{
  position:relative;
  display:block;
  width:16px;height:2px;
  background:currentColor;
  border-radius:2px;
  transition:background .18s ease;
}
.lj-nav-toggle__bars::before,
.lj-nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;height:2px;
  background:currentColor;
  border-radius:2px;
  transition:transform .18s ease;
}
.lj-nav-toggle__bars::before{top:-5px}
.lj-nav-toggle__bars::after{top:5px}
.lj-nav-toggle[aria-expanded="true"] .lj-nav-toggle__bars{background:transparent}
.lj-nav-toggle[aria-expanded="true"] .lj-nav-toggle__bars::before{transform:translateY(5px) rotate(45deg)}
.lj-nav-toggle[aria-expanded="true"] .lj-nav-toggle__bars::after{transform:translateY(-5px) rotate(-45deg)}

/* ---------- 10. 页脚 ---------- */
.lj-footer{
  position:relative;
  margin-top:clamp(56px,8vw,120px);
  background:var(--lj-ink);
  color:var(--lj-paper);
  border-top:6px solid transparent;
  border-image:repeating-linear-gradient(90deg,var(--lj-yellow) 0 30px,transparent 30px 58px) 6;
  border-image-slice:6 0 0 0;
}
.lj-footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:6px;
  background:repeating-linear-gradient(90deg,var(--lj-yellow) 0 30px,transparent 30px 58px);
  opacity:.9;
}
.lj-footer__inner{
  max-width:var(--lj-max);
  margin-inline:auto;
  padding:clamp(40px,5.6vw,72px) var(--lj-gutter) clamp(30px,4vw,54px);
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(28px,3.4vw,48px);
}
.lj-footer__lead{min-width:0}
.lj-footer__eyebrow{
  font-family:var(--lj-font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--lj-yellow);
  margin-bottom:14px;
}
.lj-footer__brandline{
  font-size:clamp(24px,3vw,34px);
  font-weight:900;
  letter-spacing:-.01em;
  line-height:1.14;
  color:var(--lj-paper-bright);
}
.lj-footer__note{
  margin-top:16px;
  max-width:36ch;
  font-size:14px;
  line-height:1.75;
  color:rgba(247,245,239,.68);
}
.lj-footer__col{min-width:0}
.lj-footer__coltitle{
  display:flex;
  align-items:center;
  gap:9px;
  margin:0 0 16px;
  font-family:var(--lj-font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--lj-concrete);
}
.lj-footer__coltitle::before{
  content:"";
  width:15px;height:2px;
  flex:none;
  background:var(--lj-yellow);
  border-radius:2px;
}
.lj-footer__links{display:grid;gap:11px}
.lj-footer__link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  color:rgba(247,245,239,.86);
  text-decoration:none;
  transition:color .18s ease,transform .18s ease;
}
.lj-footer__link:hover{color:var(--lj-yellow);transform:translateX(4px)}
.lj-footer__contact{display:grid;gap:14px;align-content:start;min-width:0}
.lj-footer__row{display:grid;gap:3px;min-width:0}
.lj-footer__k{
  font-family:var(--lj-font-mono);
  font-size:10px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--lj-concrete);
}
.lj-footer__v{
  font-size:14px;
  line-height:1.6;
  color:var(--lj-paper-bright);
  overflow-wrap:anywhere;
}
.lj-footer__base{
  background:var(--lj-ink-deep);
  border-top:1px solid var(--lj-light-rule);
}
.lj-footer__baseinner{
  max-width:var(--lj-max);
  margin-inline:auto;
  padding:16px var(--lj-gutter);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 20px;
  font-family:var(--lj-font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:rgba(247,245,239,.6);
}
.lj-footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.lj-footer__legal a{
  color:rgba(247,245,239,.78);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.lj-footer__legal a:hover{color:var(--lj-yellow);border-bottom-color:var(--lj-yellow)}

/* ---------- 11. 容器与版块 ---------- */
.lj-container{
  width:100%;
  max-width:var(--lj-max);
  margin-inline:auto;
  padding-inline:var(--lj-gutter);
}
.lj-container--narrow{max-width:880px}
.lj-section{
  position:relative;
  padding-block:clamp(40px,5.4vw,84px);
}
.lj-section__label{
  display:flex;
  align-items:center;
  gap:11px;
  margin-bottom:clamp(16px,2vw,28px);
  font-family:var(--lj-font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--lj-concrete-deep);
}
.lj-section__label::before{
  content:"";
  width:28px;height:3px;
  flex:none;
  border-radius:3px;
  background:var(--lj-yellow);
}
.lj-display{
  font-size:clamp(38px,7.2vw,104px);
  line-height:.98;
  letter-spacing:-.035em;
  font-weight:900;
}
.lj-h2{
  font-size:clamp(23px,2.9vw,42px);
  letter-spacing:-.02em;
  line-height:1.12;
}
.lj-lede{
  max-width:64ch;
  font-size:clamp(16px,1.45vw,20px);
  line-height:1.72;
  color:var(--lj-ink-mid);
}
.lj-prose{max-width:68ch}
.lj-prose > * + *{margin-top:16px}
.lj-prose h2,.lj-prose h3{margin-top:clamp(26px,3vw,40px)}
.lj-rule{height:1px;background:var(--lj-rule);border:0;margin:0}

/* ---------- 12. 面包屑 ---------- */
.lj-crumbs{
  padding-block:clamp(14px,1.8vw,22px);
  border-bottom:1px solid var(--lj-rule);
  font-family:var(--lj-font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--lj-concrete-deep);
}
.lj-crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:9px}
.lj-crumbs li{display:flex;align-items:center;gap:9px}
.lj-crumbs li + li::before{content:"/";color:var(--lj-concrete)}
.lj-crumbs a{
  color:var(--lj-ink-mid);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.lj-crumbs a:hover{color:var(--lj-ink);border-bottom-color:var(--lj-yellow-deep)}
.lj-crumbs [aria-current="page"]{color:var(--lj-ink);font-weight:700}

/* ---------- 13. 胶囊标签 ---------- */
.lj-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:var(--lj-pill);
  background:var(--lj-yellow-soft);
  color:var(--lj-ink-deep);
  border:1px solid rgba(15,61,46,.12);
  font-family:var(--lj-font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  line-height:1.5;
}
.lj-pill--ink{
  background:var(--lj-ink);
  color:var(--lj-paper-bright);
  border-color:transparent;
}
.lj-pill--ghost{
  background:transparent;
  color:var(--lj-ink-mid);
  border-color:var(--lj-rule-strong);
}

/* ---------- 14. 图片容器 ---------- */
.lj-media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border-radius:var(--lj-radius);
  border:1px solid var(--lj-rule);
  background:
    repeating-linear-gradient(90deg,rgba(15,61,46,.08) 0 1px,transparent 1px 12px),
    var(--lj-concrete);
}
.lj-media > img,
.lj-media > picture,
.lj-media > picture > img,
.lj-media > video{
  width:100%;
  height:100%;
  object-fit:cover;
}
.lj-media--wide{aspect-ratio:21 / 9}
.lj-media--square{aspect-ratio:1 / 1}
.lj-media--tall{aspect-ratio:4 / 5}
.lj-figure{display:grid;gap:10px}
.lj-figure__cap{
  font-family:var(--lj-font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--lj-concrete-deep);
  text-transform:uppercase;
}

/* ---------- 15. 网格 ---------- */
.lj-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2.4vw,34px);
}

/* ---------- 16. 滚动显现 ---------- */
[data-reveal]{
  opacity:0;
  transform:translate3d(0,16px,0);
  transition:opacity .45s ease,transform .45s cubic-bezier(.22,.61,.36,1);
}
[data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 17. 响应式 ---------- */
@media (min-width:720px){
  .lj-footer__inner{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lj-footer__lead{grid-column:1 / -1}
}
@media (min-width:981px){
  .lj-header__inner{border-inline:1px solid var(--lj-rule)}
  .lj-footer__inner{border-inline:1px solid var(--lj-light-rule)}
  .lj-footer__baseinner{border-inline:1px solid var(--lj-light-rule)}
}
@media (min-width:1080px){
  .lj-footer__inner{
    grid-template-columns:minmax(0,1.35fr) minmax(0,.78fr) minmax(0,.78fr) minmax(0,.78fr) minmax(0,1.05fr);
  }
  .lj-footer__lead{grid-column:auto}
}
@media (max-width:1180px){
  .lj-nav__num{display:none}
  .lj-nav__link{padding:9px 10px}
}
@media (max-width:980px){
  .lj-nav-toggle{display:inline-flex}
  .lj-header__inner{min-height:70px;flex-wrap:wrap}
  .lj-nav{
    position:absolute;
    left:0;right:0;top:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin-left:0;
    max-height:calc(100vh - 120px);
    overflow-y:auto;
    padding:14px var(--lj-gutter) 22px;
    background:var(--lj-paper-bright);
    border-bottom:1px solid var(--lj-rule-strong);
    box-shadow:0 30px 46px -34px rgba(8,37,28,.85);
  }
  .lj-nav[data-open]{display:flex}
  .lj-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .lj-nav__link{
    justify-content:flex-start;
    width:100%;
    padding:13px 14px;
    border-radius:var(--lj-radius-sm);
    border-bottom:1px dashed var(--lj-rule);
    font-size:16px;
  }
  .lj-nav__num{display:inline;font-size:11px}
  .lj-nav__actions{
    margin-top:16px;
    padding-left:0;
    border-left:0;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
  }
  .lj-nav__actions .lj-btn{width:100%}
  .lj-header__bar::after{width:96px}
  #main-content{scroll-margin-top:118px}
}
@media (max-width:900px){
  .lj-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
}
@media (max-width:640px){
  .lj-band__inner{flex-wrap:wrap;row-gap:5px;font-size:11px;letter-spacing:.08em}
  .lj-band__next{font-size:11px}
  .lj-brand__mark{width:38px;height:38px;font-size:19px;border-radius:11px}
  .lj-brand__name{font-size:17px}
  .lj-brand__tagline{font-size:9.5px;letter-spacing:.12em}
  .lj-footer__brandline{font-size:24px}
  .lj-footer__baseinner{font-size:11px}
}
@media (max-width:600px){
  .lj-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- 18. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }
  [data-reveal]{opacity:1 !important;transform:none !important}
  .lj-band__progress{transition:none !important}
  .lj-btn:hover,
  .lj-footer__link:hover,
  .lj-brand:hover .lj-brand__mark{transform:none}
}