/* ============================================================
   首页三模块 · firsta.cn 设计复刻（配色映射：泓勃青绿）
   ============================================================ */
:root{--f2-green:#0e7a52;--f2-green-dk:#0a5c3e;--f2-ink:#073b28;--f2-orange:#f5a623;--f2-grey:#5c6b64;}
/* ---------------- Banner ---------------- */
.fa2-banner{position:relative;height:100vh;height:100svh;max-height:1100px;min-height:640px;overflow:hidden;background:#04150d;}
.fa2-banner .bg{position:absolute;inset:0;z-index:1;}
.fa2-banner .bg img,.fa2-banner .bg video{width:100%;height:100%;object-fit:cover;display:block;}
.fa2-banner .shade{position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,rgba(4,21,13,.55) 0%,rgba(4,21,13,.25) 45%,rgba(4,21,13,.6) 100%);}
.fa2-banner-info{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:0 6%;transform:translateY(-4%);}
.fa2-banner-info h1{margin:0;font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.2;font-weight:700;color:#fff;letter-spacing:.5px;}
.fa2-banner-info h1 b{color:var(--f2-orange);font-weight:700;}
.fa2-banner-info .sub{margin:1.1rem 0 0;color:rgba(255,255,255,.68);font-size:clamp(.95rem,1.4vw,1.15rem);font-weight:600;letter-spacing:.06em;}
.fa2-scroll{position:absolute;left:50%;bottom:34px;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.85);font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;}
.fa2-scroll i{display:block;width:1px;height:44px;background:rgba(255,255,255,.55);position:relative;overflow:hidden;}
.fa2-scroll i::after{content:"";position:absolute;left:0;top:-40%;width:100%;height:40%;background:#fff;animation:fa2-drop 1.8s ease-in-out infinite;}
@keyframes fa2-drop{0%{top:-40%}70%,100%{top:110%}}
/* ---------------- 企业简介 ---------------- */
.fa2-about{padding:clamp(3.5rem,7vw,6.5rem) 0 clamp(3rem,5vw,5rem);background:#fff;}
.fa2-wrap{width:94%;max-width:1600px;margin:0 auto;}
.fa2-about-grid{display:grid;grid-template-columns:minmax(300px,1fr) minmax(0,1.35fr);gap:clamp(2.5rem,5vw,6rem);align-items:start;}
.fa2-motto p{margin:0;font-size:clamp(1.5rem,2.4vw,2.15rem);line-height:1.42;font-weight:700;color:var(--f2-ink);}
.fa2-motto p+p{margin-top:.35rem;color:var(--f2-green);}
.fa2-more{display:inline-flex;align-items:center;gap:10px;margin-top:2.6rem;padding:.85rem 1.9rem;border-radius:999px;background:var(--f2-green);color:#fff;font-weight:600;text-decoration:none;transition:background .3s,transform .3s;}
.fa2-more:hover{background:var(--f2-green-dk);transform:translateX(4px);}
.fa2-more svg{width:1.15em;height:1.15em;fill:#fff;}
.fa2-intro p{margin:0 0 1.1rem;color:var(--f2-grey);font-size:1.02rem;line-height:1.85;}
.fa2-wordmark{font-family:Impact,'Arial Narrow','Franklin Gothic Medium',sans-serif;font-size:clamp(3.4rem,7.5vw,6.2rem);line-height:1;letter-spacing:.04em;color:rgba(14,122,82,.10);user-select:none;margin:1.6rem 0 2.2rem;}
.fa2-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;border-top:1px solid #e5ece8;padding-top:1.8rem;}
.fa2-stat .n{font-family:Impact,'Arial Narrow',sans-serif;font-size:clamp(2.3rem,3.4vw,3.3rem);line-height:1;color:var(--f2-green);}
.fa2-stat .n .sfx{font-size:.55em;color:var(--f2-orange);margin-left:2px;}
.fa2-stat .cap{margin-top:.5rem;font-size:.85rem;color:#8a978f;letter-spacing:.02em;}
.fa2-about-video{margin-top:clamp(2.5rem,5vw,4.5rem);position:relative;width:100%;aspect-ratio:21/9;min-height:300px;overflow:hidden;border-radius:14px;background:#04150d;}
.fa2-about-video video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;}
.fa2-about-video .cover{position:absolute;inset:0;z-index:2;transition:opacity .6s;}
.fa2-about-video .cover img{width:100%;height:100%;object-fit:cover;}
.fa2-about-video .cover.hide{opacity:0;pointer-events:none;}
/* ---------------- 行业应用 ---------------- */
.fa2-apps-head{padding:clamp(2.5rem,4.5vw,4rem) 0 2.2rem;text-align:center;background:#fff;}
.fa2-apps-head h2{margin:0;font-size:clamp(1.7rem,2.8vw,2.6rem);font-weight:700;color:var(--f2-green);}
.fa2-bars{display:flex;justify-content:center;gap:6px;margin-top:14px;}
.fa2-bars span{display:inline-block;height:6px;border-radius:6px;margin-top:0;}
.fa2-bars span:nth-child(1){width:6px;background:#c9d6cf;animation:fa2-bar1 1.2s linear infinite alternate;}
.fa2-bars span:nth-child(2){width:48px;background:var(--f2-green);animation:fa2-bar2 1.2s linear infinite alternate;}
@keyframes fa2-bar1{0%{width:6px}100%{width:48px}}
@keyframes fa2-bar2{0%{width:48px}100%{width:6px}}
.fa2-join{position:relative;min-height:560px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;background:#04150d;}
.fa2-join .bgpic{position:absolute;inset:0;z-index:0;}
.fa2-join .bgpic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .7s ease;}
.fa2-join .bgpic img.on{opacity:.78;}
.fa2-join .bgpic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,21,13,.34),rgba(4,21,13,.18) 55%,rgba(4,21,13,.5));}
.fa2-adv{position:relative;z-index:2;list-style:none;margin:0;padding:2.2rem 0 0;width:94%;max-width:1500px;margin-inline:auto;display:grid;grid-template-columns:repeat(8,1fr);}
.fa2-adv li{text-align:center;color:#fff;cursor:pointer;padding:1.1rem .3rem 1.3rem;position:relative;transition:transform .3s;text-shadow:0 1px 4px rgba(4,21,13,.6);}
.fa2-adv li .ico{width:46px;height:40px;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;}
.fa2-adv li svg{width:44px;height:44px;fill:#fff;transition:fill .3s;}
.fa2-adv li .tt{border-top:1px solid rgba(255,255,255,.28);padding-top:10px;font-size:.92rem;position:relative;line-height:1.35;}
.fa2-adv li .tt::before{content:"";position:absolute;left:50%;top:-3.5px;margin-left:-3.5px;width:7px;height:7px;border-radius:50%;background:#fff;transition:background .3s,transform .3s;}
.fa2-adv li:hover,.fa2-adv li.on{transform:translateY(-6px);}
.fa2-adv li.on .tt::before{background:var(--f2-orange);transform:scale(1.35);}
.fa2-adv li.on svg{fill:var(--f2-orange);}
.fa2-panel{position:relative;z-index:2;width:94%;max-width:1200px;margin:0 auto;padding:2.6rem 0 3rem;color:#fff;text-shadow:0 1px 4px rgba(4,21,13,.6);}
.fa2-panel .pane{display:none;}
.fa2-panel .pane.on{display:block;animation:fa2-fade .5s ease;}
@keyframes fa2-fade{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.fa2-panel h3{margin:0 0 .7rem;font-size:clamp(1.4rem,2.4vw,2rem);font-weight:700;}
.fa2-panel .sum{margin:0 0 1.5rem;color:rgba(255,255,255,.75);font-size:1rem;max-width:720px;}
.fa2-panel .go{display:inline-flex;align-items:center;gap:8px;padding:.7rem 1.7rem;border:1px solid var(--f2-orange);background:var(--f2-orange);color:#fff;border-radius:10px;font-weight:600;text-decoration:none;transition:all .3s;}
.fa2-panel .go:hover{background:transparent;color:var(--f2-orange);}
.fa2-panel .go svg{width:1.05em;height:1.05em;fill:currentColor;}

/* ---------------- News 排版 v2 ---------------- */
.fa2-news{padding:5.5rem 0 6rem;background:linear-gradient(180deg,#f4faf7 0%,#fff 60%);}
.fa2-nhead{display:flex;align-items:flex-end;justify-content:space-between;gap:1.5rem;margin-bottom:2.6rem;flex-wrap:wrap;}
.fa2-nhead-l h2{margin:0;font-size:clamp(1.9rem,3.4vw,2.6rem);color:var(--f2-ink);letter-spacing:.2px;}
.fa2-nhead-l .fa2-bars{margin:.7rem 0 .8rem;}
.fa2-nhead-l p{margin:0;color:#5f6f67;font-size:1.02rem;}
.fa2-nall{display:inline-flex;align-items:center;gap:.5em;padding:.8em 1.6em;border-radius:999px;border:1.5px solid var(--f2-green);color:var(--f2-green);font-weight:700;font-size:.98rem;text-decoration:none;transition:background .3s,color .3s,box-shadow .3s;white-space:nowrap;}
.fa2-nall svg{width:1em;height:1em;fill:currentColor;transition:transform .3s;}
.fa2-nall:hover{background:var(--f2-green);color:#fff;box-shadow:0 8px 22px rgba(14,122,82,.28);}
.fa2-nall:hover svg{transform:translateX(4px);}
.fa2-ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;}
.fa2-ncard{display:flex;flex-direction:column;background:#fff;border:1px solid #e3ede7;border-radius:18px;overflow:hidden;text-decoration:none;box-shadow:0 4px 16px rgba(10,40,28,.06);transition:transform .35s,box-shadow .35s,border-color .35s;}
.fa2-ncard:hover{transform:translateY(-7px);box-shadow:0 18px 40px rgba(10,40,28,.16);border-color:#bfe0d1;}
.fa2-ncard figure{margin:0;position:relative;overflow:hidden;aspect-ratio:16/9;}
.fa2-ncard figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.fa2-ncard:hover figure img{transform:scale(1.07);}
.fa2-ndate{position:absolute;top:.9rem;left:.9rem;background:var(--f2-green);color:#fff;font-weight:700;font-size:.82rem;padding:.28rem .8rem;border-radius:999px;letter-spacing:.04em;box-shadow:0 4px 12px rgba(4,21,13,.3);}
.fa2-ncard .pad{display:flex;flex-direction:column;flex:1;padding:1.35rem 1.4rem 1.5rem;}
.fa2-ntag{align-self:flex-start;font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--f2-orange);background:rgba(232,111,34,.1);padding:.22rem .7rem;border-radius:999px;margin-bottom:.75rem;}
.fa2-ncard h3{margin:0 0 .55rem;font-size:1.14rem;line-height:1.42;color:var(--f2-ink);transition:color .3s;}
.fa2-ncard:hover h3{color:var(--f2-green);}
.fa2-ncard p{margin:0 0 1rem;color:#5f6f67;font-size:.92rem;line-height:1.62;flex:1;}
.fa2-nmore{display:inline-flex;align-items:center;gap:.45em;color:var(--f2-green);font-weight:700;font-size:.92rem;}
.fa2-nmore svg{width:1em;height:1em;fill:currentColor;transition:transform .3s;}
.fa2-ncard:hover .fa2-nmore svg{transform:translateX(5px);}
@media (max-width:960px){.fa2-ngrid{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){
  .fa2-ngrid{grid-template-columns:1fr;}
  .fa2-news{padding:4rem 0 4.5rem;}
  .fa2-nall{width:100%;justify-content:center;}
}

/* ---------------- 响应式 ---------------- */
@media (max-width:1024px){
  .fa2-about-grid{grid-template-columns:1fr;gap:2.4rem;}
  .fa2-adv{grid-template-columns:repeat(4,1fr);row-gap:.6rem;}
  .fa2-join{min-height:640px;}
}
@media (max-width:560px){
  .fa2-banner{height:72vh;min-height:440px;}
  .fa2-stats{grid-template-columns:repeat(2,1fr);}
  .fa2-adv{grid-template-columns:repeat(4,1fr);padding-top:1.4rem;}
  .fa2-adv li svg{width:34px;height:34px;}
  .fa2-adv li .tt{font-size:.78rem;}
}
/* ---------------- 打印 ---------------- */
@media print{
  .fa2-banner{height:auto;min-height:0;}
  .fa2-banner .bg video,.fa2-about-video video,.fa2-scroll{display:none;}
}

/* ---------------- Banner 文案排版 v2 ---------------- */
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.fa2-banner-info{justify-content:center;transform:none;gap:0;}
.fa2-eyebrow{margin:0 0 1.25rem;text-align:center;color:rgba(255,255,255,.75);font-size:1.05rem;font-weight:700;letter-spacing:.32em;text-transform:uppercase;}
.fa2-h1line{margin:0;text-align:center;color:#fff;font-size:clamp(2.6rem,6.4vw,4.8rem);line-height:1.16;font-weight:800;letter-spacing:.2px;text-shadow:0 3px 24px rgba(0,0,0,.45);}
.fa2-h1line b{color:var(--f2-orange);font-weight:800;}
.fa2-sub{margin:1.1rem auto 0;max-width:720px;text-align:center;color:rgba(255,255,255,.86);font-size:clamp(1.15rem,1.8vw,1.42rem);line-height:1.6;font-weight:500;}
.fa2-bstats{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;margin:2rem auto 0;padding:0;width:min(820px,94%);}
.fa2-bstats li{flex:1 1 auto;min-width:150px;text-align:center;padding:.15rem 1rem;}
.fa2-bstats li+li{border-left:1px solid rgba(255,255,255,.45);}
.fa2-bstats .n{display:block;font-family:Impact,'Arial Narrow','Franklin Gothic Medium',sans-serif;font-size:clamp(2rem,3.5vw,3.1rem);line-height:1.1;color:#fff;}
.fa2-bstats .n i{font-style:normal;font-size:.7em;color:var(--f2-orange);margin-left:1px;}
.fa2-bstats .cap{display:block;margin-top:.35rem;font-size:.95rem;letter-spacing:.03em;color:rgba(255,255,255,.68);font-weight:500;}
.fa2-cta{margin:2.2rem 0 0;display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;}
.fa2-btn{display:inline-flex;align-items:center;gap:.55em;padding:.95em 2.1em;border-radius:999px;background:var(--f2-green);color:#fff;font-weight:700;font-size:1.14rem;text-decoration:none;box-shadow:0 6px 20px rgba(0,0,0,.28);transition:background .3s,transform .3s,box-shadow .3s;}
.fa2-btn svg{width:1.05em;height:1.05em;fill:currentColor;transition:transform .3s;}
.fa2-btn:hover{background:var(--f2-green-dk);transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.36);}
.fa2-btn:hover svg{transform:translateX(4px);}
.fa2-btn.ghost{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.6);box-shadow:none;backdrop-filter:blur(3px);}
.fa2-btn.ghost:hover{background:#fff;color:#123528;border-color:#fff;}
.fa2-search{width:min(640px,94%);margin:1.8rem auto 0;display:flex;background:#fff;border-radius:999px;overflow:hidden;box-shadow:0 10px 32px rgba(0,0,0,.35);}
.fa2-search input{flex:1;min-width:0;border:0;outline:0;padding:.95em 1.5em;font-size:1.12rem;background:transparent;color:#1c2b24;font-weight:500;}
.fa2-search input::placeholder{color:#8fa39a;}
.fa2-search button{border:0;cursor:pointer;display:flex;align-items:center;gap:.45em;padding:0 1.7em;background:var(--f2-green);color:#fff;font-weight:700;font-size:1.02rem;transition:background .3s;}
.fa2-search button:hover{background:var(--f2-green-dk);}
.fa2-search button svg{width:1.05em;height:1.05em;}
.fa2-banner .bg img{animation:fa2-kb 22s ease-in-out infinite alternate;}
@keyframes fa2-kb{from{transform:scale(1)}to{transform:scale(1.09) translate(1.2%,-1%)}}
@media (prefers-reduced-motion:reduce){.fa2-banner .bg img{animation:none}}
@media (max-width:760px){
  .fa2-bstats li{min-width:40%;padding:.5rem 1rem;}
  .fa2-bstats li:nth-child(3){border-left:none;}
  .fa2-bstats{row-gap:.4rem;}
}
@media (max-width:560px){
  .fa2-eyebrow{letter-spacing:.2em;font-size:.85rem;}
  .fa2-cta{flex-direction:column;align-items:center;}
  .fa2-btn{width:min(320px,86%);justify-content:center;}
  .fa2-search button span{display:none;}
  .fa2-search button{padding:0 1.1em;}
}
@media print{.fa2-search,.fa2-cta{display:none}}

/* ---------------- News 排版 v2 ---------------- */
.fa2-news{padding:5.5rem 0 6rem;background:linear-gradient(180deg,#f4faf7 0%,#fff 60%);}
.fa2-nhead{display:flex;align-items:flex-end;justify-content:space-between;gap:1.5rem;margin-bottom:2.6rem;flex-wrap:wrap;}
.fa2-nhead-l h2{margin:0;font-size:clamp(1.9rem,3.4vw,2.6rem);color:var(--f2-ink);letter-spacing:.2px;}
.fa2-nhead-l .fa2-bars{margin:.7rem 0 .8rem;}
.fa2-nhead-l p{margin:0;color:#5f6f67;font-size:1.02rem;}
.fa2-nall{display:inline-flex;align-items:center;gap:.5em;padding:.8em 1.6em;border-radius:999px;border:1.5px solid var(--f2-green);color:var(--f2-green);font-weight:700;font-size:.98rem;text-decoration:none;transition:background .3s,color .3s,box-shadow .3s;white-space:nowrap;}
.fa2-nall svg{width:1em;height:1em;fill:currentColor;transition:transform .3s;}
.fa2-nall:hover{background:var(--f2-green);color:#fff;box-shadow:0 8px 22px rgba(14,122,82,.28);}
.fa2-nall:hover svg{transform:translateX(4px);}
.fa2-ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;}
.fa2-ncard{display:flex;flex-direction:column;background:#fff;border:1px solid #e3ede7;border-radius:18px;overflow:hidden;text-decoration:none;box-shadow:0 4px 16px rgba(10,40,28,.06);transition:transform .35s,box-shadow .35s,border-color .35s;}
.fa2-ncard:hover{transform:translateY(-7px);box-shadow:0 18px 40px rgba(10,40,28,.16);border-color:#bfe0d1;}
.fa2-ncard figure{margin:0;position:relative;overflow:hidden;aspect-ratio:16/9;}
.fa2-ncard figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.fa2-ncard:hover figure img{transform:scale(1.07);}
.fa2-ndate{position:absolute;top:.9rem;left:.9rem;background:var(--f2-green);color:#fff;font-weight:700;font-size:.82rem;padding:.28rem .8rem;border-radius:999px;letter-spacing:.04em;box-shadow:0 4px 12px rgba(4,21,13,.3);}
.fa2-ncard .pad{display:flex;flex-direction:column;flex:1;padding:1.35rem 1.4rem 1.5rem;}
.fa2-ntag{align-self:flex-start;font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--f2-orange);background:rgba(232,111,34,.1);padding:.22rem .7rem;border-radius:999px;margin-bottom:.75rem;}
.fa2-ncard h3{margin:0 0 .55rem;font-size:1.14rem;line-height:1.42;color:var(--f2-ink);transition:color .3s;}
.fa2-ncard:hover h3{color:var(--f2-green);}
.fa2-ncard p{margin:0 0 1rem;color:#5f6f67;font-size:.92rem;line-height:1.62;flex:1;}
.fa2-nmore{display:inline-flex;align-items:center;gap:.45em;color:var(--f2-green);font-weight:700;font-size:.92rem;}
.fa2-nmore svg{width:1em;height:1em;fill:currentColor;transition:transform .3s;}
.fa2-ncard:hover .fa2-nmore svg{transform:translateX(5px);}
@media (max-width:960px){.fa2-ngrid{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){
  .fa2-ngrid{grid-template-columns:1fr;}
  .fa2-news{padding:4rem 0 4.5rem;}
  .fa2-nall{width:100%;justify-content:center;}
}

/* ---------------- 响应式 ---------------- */