/* LearnFi — EDU learning-platform style */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.lf-body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue','PingFang SC','Hiragino Sans GB','Microsoft YaHei',Arial,sans-serif;color:#1e2a32;background:#fcfcf9;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:#0f766e;text-decoration:none;transition:color .18s}
a:hover{color:#f59e0b}
img{max-width:100%}
:root{
  --teal:#0f766e;--teal-2:#14b8a6;--teal-soft:#e6fffb;
  --amber:#f59e0b;--amber-soft:#fef3c7;
  --ink:#1e2a32;--ink-2:#4a5b66;--ink-3:#7e8d96;
  --bg:#fcfcf9;--bg-alt:#f3f7f5;--bg-dark:#0f2420;
  --line:#e3eae6;--card:#ffffff;--radius:18px;--shadow:0 8px 28px rgba(15,118,110,.08);
}
.lf-container{max-width:1160px;margin:0 auto;padding:0 24px}
.lf-main{min-height:60vh}

/* Header */
.lf-header{position:sticky;top:0;z-index:30;background:rgba(252,252,249,.92);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.lf-header__inner{max-width:1160px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px}
.lf-logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ink)}
.lf-logo__mark{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;background:var(--teal-soft);border-radius:12px}
.lf-logo__text{font-size:20px;letter-spacing:.5px}
.lf-logo__text--light{color:#fff}
.lf-nav{display:flex;gap:24px;margin-left:auto;align-items:center}
.lf-nav__link{color:var(--ink-2);font-size:15px;padding:8px 2px;border-bottom:2px solid transparent;transition:all .18s}
.lf-nav__link:hover{color:var(--teal);border-color:var(--teal)}
.lf-nav-toggle{display:none;background:none;border:none;padding:8px;cursor:pointer;margin-left:auto}
.lf-nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}

/* Hero */
.lf-hero{background:linear-gradient(155deg,#e6fffb 0%,#fef3c7 100%);padding:72px 0 96px;position:relative;overflow:hidden}
.lf-hero__inner{max-width:1160px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center;position:relative;z-index:2}
.lf-hero__badge{display:inline-block;background:#fff;color:var(--teal);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;border:1px solid var(--teal-soft);margin-bottom:18px}
.lf-hero__title{font-size:46px;line-height:1.22;letter-spacing:-.5px;color:var(--ink);margin-bottom:18px;font-weight:800}
.lf-hero__desc{font-size:17px;color:var(--ink-2);max-width:540px;margin-bottom:28px}
.lf-hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.lf-hero__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:520px}
.lf-hero__stats dt{font-size:28px;font-weight:800;color:var(--teal);font-family:'Segoe UI',sans-serif}
.lf-hero__stats dd{font-size:13px;color:var(--ink-3);margin-top:2px}
.lf-hero__visual{position:relative;height:420px}
.lf-hero__card{position:absolute;background:#fff;border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);width:260px}
.lf-hero__card strong{display:block;font-size:18px;color:var(--ink);margin:8px 0 4px}
.lf-hero__card p{font-size:14px;color:var(--ink-2)}
.lf-hero__chip{display:inline-block;font-size:12px;color:var(--teal);background:var(--teal-soft);padding:3px 10px;border-radius:99px;font-weight:600;letter-spacing:.3px}
.lf-hero__card--a{top:20px;left:0;transform:rotate(-2deg)}
.lf-hero__card--b{top:140px;right:0;transform:rotate(2deg);border-left:4px solid var(--amber)}
.lf-hero__card--c{bottom:30px;left:40px;transform:rotate(-1deg);border-left:4px solid var(--teal)}
.lf-hero__dots{position:absolute;bottom:-20px;right:-20px}

/* Buttons */
.lf-btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 24px;border-radius:12px;font-weight:600;font-size:15px;transition:all .18s;border:none;cursor:pointer}
.lf-btn--primary{background:var(--teal);color:#fff!important}
.lf-btn--primary:hover{background:#0d5f59;color:#fff!important;transform:translateY(-1px)}
.lf-btn--ghost{background:#fff;color:var(--teal)!important;border:1.5px solid var(--teal)}
.lf-btn--ghost:hover{background:var(--teal-soft);color:var(--teal)!important}
.lf-btn--ghost-light{background:transparent;color:#fff!important;border:1.5px solid rgba(255,255,255,.6)}
.lf-btn--ghost-light:hover{background:rgba(255,255,255,.12);color:#fff!important}

/* Sections */
.lf-section{padding:80px 0}
.lf-section--alt{background:var(--bg-alt)}
.lf-section__head{text-align:center;margin-bottom:48px}
.lf-section__title{font-size:34px;color:var(--ink);margin-bottom:10px;font-weight:800;letter-spacing:-.3px}
.lf-section__sub{color:var(--ink-2);font-size:16px;max-width:640px;margin:0 auto}

/* Category cards (10 columns) */
.lf-cats__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.lf-cat-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:all .2s;position:relative}
.lf-cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--teal)}
.lf-cat-card__no{position:absolute;top:14px;right:18px;font-size:12px;color:var(--ink-3);font-weight:700;letter-spacing:1px}
.lf-cat-card__title{font-size:19px;color:var(--ink);margin-bottom:8px;font-weight:700}
.lf-cat-card__desc{color:var(--ink-2);font-size:14px;margin-bottom:16px;line-height:1.65}
.lf-cat-card__more{color:var(--teal);font-size:14px;font-weight:600}

/* Latest posts */
.lf-latest__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px;margin-bottom:40px}
.lf-post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:all .2s}
.lf-post-card:hover{border-color:var(--teal);box-shadow:var(--shadow)}
.lf-post-card__meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.lf-post-card__date{color:var(--ink-3);font-size:13px}
.lf-post-card__tag{background:var(--teal-soft);color:var(--teal);font-size:12px;padding:2px 10px;border-radius:99px;font-weight:600}
.lf-post-card__title{font-size:18px;margin-bottom:10px;line-height:1.45}
.lf-post-card__title a{color:var(--ink)}
.lf-post-card__title a:hover{color:var(--teal)}
.lf-post-card__desc{color:var(--ink-2);font-size:14px;margin-bottom:14px}
.lf-post-card__link{color:var(--teal);font-size:14px;font-weight:600}
.lf-latest__more{text-align:center}

/* FAQ - 课程问答 Pill 风 */
.lf-qa__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:1080px;margin:0 auto}
.lf-qa-pill{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:14px 18px 14px 14px;transition:transform .2s,box-shadow .2s,border-color .2s;position:relative;overflow:hidden}
.lf-qa-pill::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#f59e0b 0%,#fbbf24 100%);opacity:.85}
.lf-qa-pill:hover{transform:translateY(-2px);box-shadow:0 12px 28px -16px rgba(15,118,110,.35);border-color:#fcd34d}
.lf-qa-pill__tag{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f59e0b 0%,#fbbf24 100%);color:#78350f;font-size:12px;font-weight:800;letter-spacing:.5px;padding:8px 14px;border-radius:999px;white-space:nowrap;box-shadow:0 4px 10px -4px rgba(245,158,11,.55);font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.lf-qa-pill__body{min-width:0}
.lf-qa-pill__q{font-size:15px;font-weight:700;color:var(--ink);margin:0 0 4px;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lf-qa-pill__a{font-size:13px;color:var(--ink-2);margin:0;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lf-qa-pill__btn{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:var(--teal);color:#fff;font-size:13px;font-weight:700;padding:10px 16px;border-radius:999px;text-decoration:none;white-space:nowrap;transition:background .2s,transform .2s}
.lf-qa-pill__btn:hover{background:#0d655c;transform:translateX(2px)}
.lf-qa-pill__btn--mute{background:#e2e8f0;color:#64748b;cursor:default}
.lf-qa-pill__btn--mute:hover{background:#e2e8f0;transform:none}
@media (max-width:880px){.lf-qa__grid{grid-template-columns:1fr;gap:14px}.lf-qa-pill{border-radius:18px;grid-template-columns:auto 1fr;grid-template-rows:auto auto;padding:14px 16px;row-gap:10px}.lf-qa-pill__btn{grid-column:1 / -1;justify-self:start;padding:8px 14px}.lf-qa-pill__q{white-space:normal}}

/* CTA */
.lf-cta__box{background:linear-gradient(135deg,var(--teal) 0%,#14b8a6 100%);color:#fff;border-radius:24px;padding:56px 44px;text-align:center}
.lf-cta__title{font-size:30px;margin-bottom:12px;font-weight:800}
.lf-cta__desc{font-size:16px;opacity:.92;margin-bottom:26px;max-width:640px;margin-left:auto;margin-right:auto}
.lf-cta__btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Footer */
.lf-footer{background:var(--bg-dark);color:#c4d9d3;padding:60px 24px 30px;margin-top:80px}
.lf-footer__grid{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
.lf-footer__title{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.lf-footer__list{list-style:none}
.lf-footer__list li{margin-bottom:10px}
.lf-footer__list a{color:#a7c0ba;font-size:14px}
.lf-footer__list a:hover{color:var(--amber)}
.lf-footer__desc{font-size:14px;color:#a7c0ba;margin-top:14px;line-height:1.7}
.lf-footer__risk{max-width:1160px;margin:40px auto 0;padding-top:26px;border-top:1px solid #1d3b36;font-size:13px;color:#8ba39d;line-height:1.7}
.lf-footer__bottom{max-width:1160px;margin:20px auto 0;display:flex;justify-content:space-between;font-size:13px;color:#8ba39d}

/* Article */
.lf-article{max-width:1160px;margin:0 auto;padding:40px 24px 60px}
.lf-crumb{font-size:13px;color:var(--ink-3);margin-bottom:18px}
.lf-crumb a{color:var(--ink-2)}
.lf-article__head{margin-bottom:30px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.lf-article__title{font-size:34px;line-height:1.35;color:var(--ink);margin-bottom:14px;font-weight:800;letter-spacing:-.3px}
.lf-article__meta{color:var(--ink-3);font-size:14px;display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.lf-article__tags{display:flex;gap:8px;flex-wrap:wrap}
.lf-chip{background:var(--teal-soft);color:var(--teal);padding:4px 12px;border-radius:99px;font-size:13px;font-weight:600}
.lf-chip--soft{background:var(--bg-alt);color:var(--ink-2)}
.lf-article__layout{display:grid;grid-template-columns:1fr 300px;gap:50px}
.lf-article__side{display:flex;flex-direction:column;gap:20px}
.lf-side-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.lf-side-card__title{font-size:15px;color:var(--ink);margin-bottom:14px;font-weight:700;padding-bottom:10px;border-bottom:2px solid var(--amber);display:inline-block}
.lf-side-list{list-style:none}
.lf-side-list li{margin-bottom:10px;font-size:14px;line-height:1.5}
.lf-side-list a{color:var(--ink-2)}
.lf-side-list a:hover{color:var(--teal)}
.lf-side-cats{display:flex;flex-wrap:wrap;gap:6px}

/* Prose */
.lf-prose{color:var(--ink);font-size:16px;line-height:1.85}
.lf-prose h2{font-size:24px;color:var(--ink);margin:36px 0 16px;font-weight:700;padding-left:14px;border-left:4px solid var(--teal)}
.lf-prose h3{font-size:19px;color:var(--ink);margin:26px 0 12px;font-weight:700}
.lf-prose p{margin:0 0 16px}
.lf-prose ul,.lf-prose ol{margin:0 0 16px 24px}
.lf-prose li{margin-bottom:6px}
.lf-prose strong{color:var(--ink);font-weight:700}
.lf-prose code{background:var(--bg-alt);padding:2px 6px;border-radius:4px;font-size:.9em;color:var(--teal)}
.lf-prose blockquote{border-left:4px solid var(--amber);background:var(--amber-soft);padding:14px 20px;margin:20px 0;border-radius:0 8px 8px 0;color:var(--ink-2)}
.lf-prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.lf-prose th,.lf-prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.lf-prose th{background:var(--bg-alt);font-weight:700}
.lf-prose a:not(.lf-dlcard__btn){border-bottom:1px dashed var(--teal)}

/* Pagination */
.lf-pager{display:flex;gap:6px;justify-content:center;align-items:center;margin-top:40px;flex-wrap:wrap}
.lf-pager__btn,.lf-pager__num{padding:8px 14px;border:1px solid var(--line);border-radius:8px;color:var(--ink-2);font-size:14px;background:#fff}
.lf-pager__num.is-active{background:var(--teal);color:#fff;border-color:var(--teal)}
.lf-pager__btn.is-disabled{color:var(--ink-3);opacity:.6}

/* Page / list */
.lf-page{padding:60px 0}
.lf-page__title{font-size:34px;color:var(--ink);margin-bottom:24px;font-weight:800}
.lf-list{background:var(--bg)}

/* 404 */
.lf-404{padding:120px 24px;text-align:center}
.lf-404 h1{font-size:96px;color:var(--teal);font-weight:800}
.lf-404 p{color:var(--ink-2);margin:12px 0 28px}

/* Download cards */
.lf-dlcards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:28px 0 42px}
.lf-dlcard{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px 24px;display:flex;flex-direction:column;box-shadow:var(--shadow);position:relative;overflow:hidden;transition:transform .18s,box-shadow .18s}
.lf-dlcard:hover{transform:translateY(-3px);box-shadow:0 14px 38px rgba(15,118,110,.14)}
.lf-dlcard::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--teal)}
.lf-dlcard--android::before{background:linear-gradient(90deg,var(--teal),#14b8a6)}
.lf-dlcard--ios::before{background:linear-gradient(90deg,#1e2a32,#4a5b66)}
.lf-dlcard--web::before{background:linear-gradient(90deg,var(--amber),#fbbf24)}
.lf-dlcard__chip{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.4px;color:var(--teal);background:var(--teal-soft);padding:4px 12px;border-radius:99px;align-self:flex-start;margin-bottom:14px}
.lf-dlcard--ios .lf-dlcard__chip{color:#1e2a32;background:#eef2f5}
.lf-dlcard--web .lf-dlcard__chip{color:#92400e;background:var(--amber-soft)}
.lf-dlcard__title{font-size:20px;font-weight:800;color:var(--ink);margin:0 0 10px}
.lf-dlcard__desc{font-size:14.5px;color:var(--ink-2);line-height:1.7;margin:0 0 16px}
.lf-dlcard__meta{list-style:none;margin:0 0 20px;padding:14px 16px;background:var(--bg-alt);border-radius:12px;font-size:13px;color:var(--ink-2)}
.lf-dlcard__meta li{margin:0;padding:4px 0;border-bottom:1px dashed var(--line)}
.lf-dlcard__meta li:last-child{border-bottom:none}
.lf-dlcard__btn{margin-top:auto;display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:12px;font-size:15px;font-weight:700;transition:all .18s;border:1.5px solid transparent}
.lf-dlcard__btn--primary{background:var(--teal);color:#fff!important}
.lf-dlcard__btn--primary:hover{background:#0d5f59;color:#fff!important;transform:translateY(-1px)}
.lf-dlcard__btn--ghost{background:#fff;color:var(--teal)!important;border-color:var(--teal)}
.lf-dlcard__btn--ghost:hover{background:var(--teal-soft);color:var(--teal)!important}
.lf-prose .lf-dlcard__btn{border-bottom:none}

/* EDU-style differentiated footer */
.lf-efooter{margin-top:80px;background:var(--bg-dark);color:#c4d9d3}
.lf-efooter__cta{background:linear-gradient(120deg,var(--teal) 0%,#14b8a6 60%,var(--amber) 130%);padding:44px 24px;margin-top:0}
.lf-efooter__cta-inner{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.lf-efooter__cta-chip{display:inline-block;background:rgba(255,255,255,.18);color:#fff;padding:5px 12px;border-radius:99px;font-size:12px;font-weight:600;margin-bottom:10px}
.lf-efooter__cta-title{color:#fff;font-size:26px;font-weight:800;margin:0 0 8px}
.lf-efooter__cta-desc{color:rgba(255,255,255,.9);font-size:15px;line-height:1.7;margin:0}
.lf-efooter__form{display:flex;gap:10px;background:#fff;padding:8px;border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.12)}
.lf-efooter__input{flex:1;border:none;outline:none;padding:12px 16px;font-size:15px;color:var(--ink);background:transparent;font-family:inherit}
.lf-efooter__submit{background:var(--ink);color:#fff;border:none;border-radius:10px;padding:12px 22px;font-size:15px;font-weight:700;cursor:pointer;transition:background .18s}
.lf-efooter__submit:hover{background:var(--teal)}

.lf-efooter__body{max-width:1160px;margin:0 auto;padding:54px 24px 28px}
.lf-efooter__main{display:grid;grid-template-columns:1fr 1.6fr;gap:56px;margin-bottom:36px}
.lf-efooter__desc{font-size:14px;color:#a7c0ba;margin:14px 0 22px;line-height:1.75}
.lf-efooter__faculty{border-top:1px solid #1d3b36;padding-top:18px}
.lf-efooter__faculty-title{font-size:13px;color:#8ba39d;font-weight:700;letter-spacing:.5px;text-transform:uppercase;margin:0 0 12px}
.lf-efooter__faculty-list{list-style:none;padding:0;margin:0}
.lf-efooter__faculty-list li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:#c4d9d3;margin-bottom:10px}
.lf-efooter__avatar{display:inline-flex;width:28px;height:28px;border-radius:50%;color:#fff;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}

.lf-efooter__h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px;letter-spacing:.3px}
.lf-efooter__track-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:26px}
.lf-efooter__track{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:12px 14px;background:rgba(255,255,255,.04);border:1px solid #1d3b36;border-radius:12px;color:#c4d9d3;transition:all .18s}
.lf-efooter__track:hover{background:rgba(245,158,11,.08);border-color:var(--amber);color:#fff}
.lf-efooter__track-num{font-size:13px;color:var(--amber);font-weight:800;letter-spacing:.5px;opacity:.85}
.lf-efooter__track-name{font-size:14px;font-weight:600}
.lf-efooter__track-tag{font-size:11px;color:#8ba39d;padding:2px 8px;background:rgba(255,255,255,.06);border-radius:99px}
.lf-efooter__track:hover .lf-efooter__track-tag{background:rgba(245,158,11,.18);color:#fef3c7}

.lf-efooter__links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13.5px;padding-top:18px;border-top:1px solid #1d3b36}
.lf-efooter__links a{color:#a7c0ba}
.lf-efooter__links a:hover{color:var(--amber)}
.lf-efooter__links span{color:#3d5751}

.lf-efooter__risk{padding-top:22px;border-top:1px solid #1d3b36;font-size:13px;color:#8ba39d;line-height:1.75}
.lf-efooter__bottom{margin-top:18px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13px;color:#8ba39d}
.lf-efooter__dot{color:#3d5751;font-size:8px}
.lf-efooter__badge{margin-left:auto;padding:4px 10px;background:rgba(245,158,11,.12);color:var(--amber);border-radius:99px;font-size:12px;font-weight:600}

/* Responsive */
@media(max-width:860px){
  .lf-nav{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:20px 24px;border-bottom:1px solid var(--line);display:none;gap:14px}
  .lf-nav.is-open{display:flex}
  .lf-nav-toggle{display:block;margin-left:auto}
  .lf-hero{padding:48px 0 64px}
  .lf-hero__inner{grid-template-columns:1fr;gap:30px}
  .lf-hero__title{font-size:32px}
  .lf-hero__visual{height:340px}
  .lf-hero__stats{grid-template-columns:repeat(2,1fr)}
  .lf-section{padding:56px 0}
  .lf-section__title{font-size:26px}
  .lf-article__layout{grid-template-columns:1fr;gap:30px}
  .lf-article__title{font-size:26px}
  .lf-footer__grid{grid-template-columns:1fr 1fr;gap:30px}
  .lf-cta__box{padding:40px 24px}
  .lf-cta__title{font-size:24px}
  .lf-dlcards{grid-template-columns:1fr;gap:16px}
  .lf-efooter__cta-inner{grid-template-columns:1fr;gap:22px}
  .lf-efooter__cta-title{font-size:22px}
  .lf-efooter__main{grid-template-columns:1fr;gap:32px}
  .lf-efooter__track-grid{grid-template-columns:1fr 1fr}
  .lf-efooter__badge{margin-left:0}
}
@media(max-width:520px){
  .lf-footer__grid{grid-template-columns:1fr}
  .lf-efooter__track-grid{grid-template-columns:1fr}
  .lf-efooter__form{flex-direction:column;padding:10px}
  .lf-efooter__submit{padding:12px}
  .lf-hero__card{width:220px}
  .lf-hero__stats{grid-template-columns:repeat(2,1fr)}
}
.lf-lang{display:inline-flex;gap:2px;background:var(--teal-soft);border-radius:8px;padding:3px;margin-left:auto}
.lf-lang a{padding:5px 9px;font-size:12.5px;font-weight:700;color:var(--teal);border-radius:6px;letter-spacing:.04em}
.lf-lang a:hover{background:#fff;color:#0d5f59}
.lf-lang a.is-active{background:var(--teal);color:#fff}
@media (max-width:880px){.lf-lang{display:none}}