:root{--primary:#9A3412;--g1:#7C2D12;--g2:#C2410C;--gradient:linear-gradient(135deg,var(--g1),var(--g2));--accent:#F97316;--heading:#2A1308;--ink:#3A1E10;--muted:#8A6650;--bg:#FBF5F1;--bg-alt:#F4E4DA;--line:#EAD3C4;--band:#6A2509;--band2:#9A3412;--band-text:#FBE4D4;--radius:14px;--radius-sm:calc(var(--radius) * .6);--shadow:0 14px 34px rgba(154,52,18,.14);--shadow-h:0 22px 48px rgba(154,52,18,.22);--wrap:1200px;}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:15px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{color:var(--heading);line-height:1.25;font-weight:800}
.fstianmen-wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.fstianmen-main{display:block}
.fstianmen-sec{padding:64px 0}
.fstianmen-sec--alt{background:var(--bg-alt)}
.fstianmen-sec__inner{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.fstianmen-sec__head{text-align:center;max-width:760px;margin:0 auto 36px}
.fstianmen-sec__head--left{text-align:left;margin-left:0}
.fstianmen-sec__eyebrow{display:inline-block;font-size:13px;letter-spacing:.18em;color:var(--primary);font-weight:700;margin-bottom:10px}
.fstianmen-sec__title{font-size:clamp(22px,3vw,30px)}
.fstianmen-sec__lead{color:var(--muted);margin-top:12px;font-size:15px}
.fstianmen-btn{display:inline-flex;align-items:center;gap:6px;padding:11px 22px;border-radius:var(--radius);font-weight:700;font-size:14px;cursor:pointer;border:1px solid transparent;transition:.2s}
.fstianmen-btn--primary{background:var(--gradient);color:#fff}
.fstianmen-btn--primary:hover{box-shadow:var(--shadow-h);transform:translateY(-2px)}
.fstianmen-btn--ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.fstianmen-btn--light{background:#fff;color:var(--primary)}
.fstianmen-btn--outline{border-color:var(--primary);color:var(--primary);background:transparent}
.fstianmen-btn--lg{padding:14px 30px;font-size:16px}
.fstianmen-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.2s}
.fstianmen-card:hover{box-shadow:var(--shadow-h);transform:translateY(-3px)}
.fstianmen-seemore{text-align:center;margin-top:30px}
.fstianmen-metrics{padding:0}
.fstianmen-metrics__inner{max-width:var(--wrap);margin:-34px auto 0;padding:22px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative;z-index:3}
.fstianmen-metrics__item{text-align:center}
.fstianmen-metrics__num{font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--primary)}
.fstianmen-metrics__unit{font-size:15px;margin-left:2px}
.fstianmen-metrics__label{color:var(--muted);font-size:13px;margin-top:4px}
.fstianmen-banner img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.fstianmen-about{display:grid;grid-template-columns:1.3fr .9fr;gap:36px;align-items:start}
.fstianmen-about__lead{font-size:16px;margin-bottom:14px}
.fstianmen-about__full{max-height:260px;overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(180deg,#000 76%,transparent);mask-image:linear-gradient(180deg,#000 76%,transparent)}
.fstianmen-about__full--open{max-height:none;-webkit-mask-image:none;mask-image:none}
.fstianmen-about__full p{margin-bottom:10px;color:var(--ink)}
.fstianmen-about__full img{display:none}
.fstianmen-about__toggle{margin-top:10px}
.fstianmen-about__btn{display:inline-flex;align-items:center;gap:3px;border:0;background:none;color:var(--primary);font-weight:700;cursor:pointer;font-size:14px;padding:2px 0}
.fstianmen-about__link{margin-top:14px}
.fstianmen-about__aside-title{font-size:18px;margin-bottom:16px;color:var(--heading)}
.fstianmen-timeline{border-left:2px solid var(--line);padding-left:18px;display:flex;flex-direction:column;gap:16px}
.fstianmen-timeline__item{position:relative}
.fstianmen-timeline__item::before{content:"";position:absolute;left:-25px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 3px var(--bg-alt)}
.fstianmen-timeline__year{display:block;font-weight:800;color:var(--primary)}
.fstianmen-timeline__desc{color:var(--muted);font-size:14px}
.fstianmen-listrow{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.fstianmen-listrow__k{font-weight:800;color:var(--primary);min-width:84px}
.fstianmen-listrow__d{color:var(--muted);font-size:14px}
.fstianmen-showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fstianmen-showcase__item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.fstianmen-showcase__img{width:100%;height:200px;object-fit:cover}
.fstianmen-showcase__cap{padding:10px 14px;font-size:14px;color:var(--ink);font-weight:600}
.fstianmen-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.fstianmen-chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13px;color:var(--ink)}
.fstianmen-news{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.fstianmen-news__item{padding:22px}
.fstianmen-news__date{font-size:12px;color:var(--accent);font-weight:700}
.fstianmen-news__title{font-size:17px;margin:8px 0}
.fstianmen-news__desc{color:var(--muted);font-size:14px}
.fstianmen-news__more{display:inline-block;margin-top:10px;color:var(--primary);font-size:13px;font-weight:700}
.fstianmen-faq{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.fstianmen-faq__item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:4px 20px}
.fstianmen-faq__item summary{cursor:pointer;font-weight:700;padding:14px 0;color:var(--heading)}
.fstianmen-faq__body{padding:0 0 16px;color:var(--muted)}
.fstianmen-citylinks{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.fstianmen-citylinks__item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:4px;transition:.2s}
.fstianmen-citylinks__item:hover{box-shadow:var(--shadow-h);transform:translateY(-2px)}
.fstianmen-citylinks__item--cur{background:var(--bg-alt)}
.fstianmen-citylinks__region{font-weight:800;color:var(--heading)}
.fstianmen-citylinks__site{font-size:13px;color:var(--muted)}
.fstianmen-citylinks__item--fold{display:none}
.fstianmen-citylinks--open .fstianmen-citylinks__item--fold{display:flex}
.fstianmen-citylinks__toggle{text-align:center;margin-top:16px}
.fstianmen-citylinks__more{background:transparent;border:1px solid var(--primary);color:var(--primary);border-radius:999px;padding:8px 22px;cursor:pointer;font-weight:700}
.fstianmen-partners{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.fstianmen-partners__item{background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 20px;font-weight:600;color:var(--ink);transition:.2s}
.fstianmen-partners__item:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.fstianmen-partners__region{color:var(--muted);font-size:12px;margin-left:6px}
.fstianmen-sec--band{background:var(--band);color:var(--band-text)}
.fstianmen-cta{text-align:center;max-width:760px;margin:0 auto}
.fstianmen-sec--band .fstianmen-sec__eyebrow{color:var(--accent)}
.fstianmen-sec--band .fstianmen-sec__title{color:#fff}
.fstianmen-sec--band .fstianmen-sec__lead{color:rgba(255,255,255,.85)}
.fstianmen-sec__phone{display:inline-block;font-size:clamp(28px,5vw,44px);font-weight:800;color:#fff;margin:18px 0}
.fstianmen-sec__cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.fstianmen-util{background:var(--band);color:var(--band-text);font-size:13px}
.fstianmen-util__inner{display:flex;justify-content:space-between;padding:8px 20px}
.fstianmen-util__phone{color:#fff}
.fstianmen-footer,.fstianmen-foot{background:#11161d;color:#cbd5e1}
.fstianmen-city{background:#0c1117;border-top:1px solid #1f2937;padding:18px 0;font-size:13px}
.fstianmen-city__inner{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.fstianmen-city__label{color:#94a3b8;font-weight:700}
.fstianmen-city__links{display:flex;flex-wrap:wrap;gap:8px}
.fstianmen-city__link{color:#94a3b8;font-size:12px}
.fstianmen-city__link--fold{display:none}
.fstianmen-city__more{background:transparent;border:1px solid #334155;color:#94a3b8;border-radius:999px;padding:4px 12px;cursor:pointer}
.fstianmen-foot{padding:42px 0 24px}
.fstianmen-foot__inner{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.fstianmen-foot__cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:30px}
.fstianmen-foot__brand{font-size:18px;font-weight:800;color:#fff;margin-bottom:10px}
.fstianmen-foot__site{color:#94a3b8;font-size:13px}
.fstianmen-foot__text{color:#94a3b8;font-size:14px;margin-bottom:12px}
.fstianmen-foot__phone{display:inline-block;color:var(--accent);font-weight:800;font-size:18px}
.fstianmen-foot__title{color:#fff;font-weight:700;margin-bottom:10px}
.fstianmen-foot__cols a{color:#94a3b8;font-size:14px;line-height:2}
.fstianmen-foot__notice{border-top:1px solid #1f2937;margin-top:24px;padding-top:18px;color:#94a3b8;font-size:12.5px}
.fstianmen-foot__copy{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid #1f2937;margin-top:18px;padding-top:16px;color:#64748b;font-size:12.5px}
.fstianmen-foot__links a{color:#94a3b8}
.fstianmen-callbar{display:none;position:fixed;left:0;right:0;bottom:0;background:var(--band);padding:12px;text-align:center;z-index:60}
.fstianmen-callbar__btn{color:#fff;font-weight:800;font-size:16px}
.fstianmen-prod__icon,.fstianmen-adv__icon{width:46px;height:46px;border-radius:14px;background:var(--bg-alt);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.fstianmen-prod__icon svg,.fstianmen-adv__icon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7}
.fstianmen-prod__title,.fstianmen-adv__title{font-size:17px;margin-bottom:6px}
.fstianmen-prod__desc,.fstianmen-adv__desc{color:var(--muted);font-size:14px}
.fstianmen-prod__tag{display:inline-block;margin-top:10px;font-size:12px;color:var(--primary);background:var(--bg-alt);border-radius:999px;padding:3px 10px}
.fstianmen-prod--cards,.fstianmen-adv{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.fstianmen-prod--lines{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.fstianmen-prod--lines .fstianmen-prod__num{font-size:30px;font-weight:800;color:var(--primary);opacity:.35;margin-bottom:6px}
.fstianmen-prod--list,.fstianmen-adv--list{display:flex;flex-direction:column;gap:0}
.fstianmen-adv--tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.fstianmen-tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:.2s}
.fstianmen-tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.fstianmen-pagehead{padding:54px 0;color:var(--band-text)}
.fstianmen-pagehead__title{font-size:clamp(24px,3.4vw,34px);color:#fff}
.fstianmen-pagehead__sub{color:rgba(255,255,255,.85);margin-top:6px}
.fstianmen-crumb{font-size:13px;margin-bottom:10px;color:var(--band-text)}
.fstianmen-crumb a{color:var(--accent)}
.fstianmen-aboutpage{max-width:880px}
.fstianmen-contact{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.fstianmen-contact__row{margin:8px 0;color:var(--ink)}
.fstianmen-contact__row a{color:var(--primary);font-weight:700}
.fstianmen-form{display:flex;flex-direction:column;gap:12px}
.fstianmen-input{border:1px solid var(--line);border-radius:var(--radius-sm);padding:11px 14px;font-size:14px;font-family:inherit}
.fstianmen-textarea{min-height:110px;resize:vertical}
.fstianmen-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.fstianmen-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.fstianmen-step__num{font-size:26px;font-weight:800;color:var(--primary);opacity:.4}
.fstianmen-step__txt{color:var(--ink);margin-top:6px;font-size:14px}
.fstianmen-newsdetail{display:grid;grid-template-columns:1fr 300px;gap:36px;align-items:start}
.fstianmen-post__meta{color:var(--muted);font-size:13px;margin-bottom:12px}
.fstianmen-post__thumb{width:100%;border-radius:var(--radius);margin-bottom:18px}
.fstianmen-post__body{color:var(--ink)}
.fstianmen-post__body p{margin-bottom:12px}
.fstianmen-sidepanel{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.fstianmen-sidepanel__title{font-size:16px;margin-bottom:12px}
.fstianmen-sidepanel__list{list-style:none;display:flex;flex-direction:column;gap:8px}
.fstianmen-sidepanel__list li{display:flex;justify-content:space-between;gap:8px;font-size:13.5px;border-bottom:1px dashed var(--line);padding-bottom:8px}
.fstianmen-sidepanel__list a{color:var(--ink)}
.fstianmen-sidepanel__empty{color:var(--muted);font-size:13px}
.fstianmen-sidepanel__more{display:inline-block;margin-top:10px;color:var(--primary);font-weight:700;font-size:13px}
.fstianmen-plist{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.fstianmen-plist__item{padding:0;overflow:hidden}
.fstianmen-plist__img,.fstianmen-plist__ph{width:100%;height:200px;object-fit:cover;background:var(--bg-alt)}
.fstianmen-plist__ph{display:flex}
.fstianmen-plist__ph{stroke:var(--line);fill:none}
.fstianmen-plist__body{padding:16px}
.fstianmen-plist__title{font-size:16px}
.fstianmen-plist__desc{color:var(--muted);font-size:13px;margin-top:6px}
.fstianmen-prodhero{background:var(--bg-alt);padding:48px 0}
.fstianmen-prodhero__inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center}
.fstianmen-prodhero__media img,.fstianmen-prodhero__ph{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}
.fstianmen-prodhero__ph{height:320px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-weight:800;font-size:22px}
.fstianmen-prodhero__kicker{color:var(--primary);font-weight:700;font-size:13px}
.fstianmen-prodhero__title{font-size:clamp(24px,3vw,32px);margin:8px 0}
.fstianmen-prodhero__desc{color:var(--muted);margin-bottom:16px}
.fstianmen-prodhero__rows{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.fstianmen-prodhero__rows li{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:8px}
.fstianmen-prodhero__rows span{color:var(--muted)}
.fstianmen-prodhero__cta{display:flex;gap:12px;flex-wrap:wrap}
.fstianmen-prodshow{display:grid;grid-template-columns:1fr 300px;gap:36px;align-items:start}
.fstianmen-prodshow__list{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.fstianmen-prodshow__list li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:13.5px}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:24px;flex-wrap:wrap}
.pagination a,.pagination span{padding:7px 13px;border:1px solid var(--line);border-radius:8px;color:var(--ink);font-size:13px}
.pagination .current{background:var(--primary);color:#fff;border-color:var(--primary)}
@media(max-width:960px){.fstianmen-about,.fstianmen-news,.fstianmen-prod--cards,.fstianmen-prod--lines,.fstianmen-prod--list,.fstianmen-adv,.fstianmen-showcase,.fstianmen-plist,.fstianmen-contact,.fstianmen-newsdetail,.fstianmen-prodhero__inner,.fstianmen-prodshow{grid-template-columns:1fr}.fstianmen-metrics__inner{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.fstianmen-callbar{display:block}.fstianmen-news,.fstianmen-prod--cards,.fstianmen-prod--lines,.fstianmen-showcase,.fstianmen-plist{grid-template-columns:1fr}.fstianmen-foot__cols{grid-template-columns:1fr}}

.fstianmen-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.fstianmen-header__inner{display:flex;align-items:center;gap:20px;padding:12px 20px}
.fstianmen-brand{display:flex;align-items:center;gap:12px}
.fstianmen-brand__logo img{height:38px}
.fstianmen-brand__title{display:flex;flex-direction:column;line-height:1.15}
.fstianmen-brand__name{font-size:19px;font-weight:800;color:var(--heading)}
.fstianmen-brand__meta{font-size:12px;color:var(--muted)}
.fstianmen-brand__meta b{color:var(--primary)}
.fstianmen-nav{display:flex;gap:6px;margin-left:auto}
.fstianmen-nav__link{padding:8px 14px;border-radius:999px;font-weight:600;color:var(--ink);font-size:14px}
.fstianmen-nav__link--on,.fstianmen-nav__link:hover{background:var(--bg-alt);color:var(--primary)}
.fstianmen-header__cta{margin-left:6px}
.fstianmen-burger{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px}
.fstianmen-burger span{width:22px;height:2px;background:var(--heading)}
.fstianmen-drawer{position:fixed;top:0;right:-100%;width:78%;max-width:320px;height:100%;background:#fff;z-index:80;box-shadow:-8px 0 30px rgba(0,0,0,.2);padding:20px;transition:.3s;overflow:auto}
.fstianmen-drawer--open{right:0}
.fstianmen-drawer__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-weight:800}
.fstianmen-drawer__close{background:none;border:0;font-size:24px;cursor:pointer}
.fstianmen-drawer__nav{display:flex;flex-direction:column;gap:6px}
.fstianmen-drawer__link{padding:12px;border-radius:10px;background:var(--bg-alt);font-weight:600}
.fstianmen-drawer__tel{display:block;margin-top:16px;text-align:center;background:var(--gradient);color:#fff;padding:12px;border-radius:10px;font-weight:700}
.fstianmen-scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:70}
.fstianmen-scrim--open{display:block}
.fstianmen-hero{padding:40px 0 10px;background:var(--bg-alt)}
.fstianmen-hero--tiles .fstianmen-hero__inner{max-width:var(--wrap);margin:0 auto;padding:30px 20px}
.fstianmen-hero__badge{display:inline-block;background:#fff;color:var(--primary);font-weight:700;padding:6px 16px;border-radius:999px;font-size:13px}
.fstianmen-hero__title{font-size:clamp(34px,6vw,54px);margin:14px 0}
.fstianmen-hero__sub{font-size:17px;color:var(--ink);max-width:600px}
.fstianmen-hero__tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:26px 0 22px}
.fstianmen-hero__tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow);transition:.2s}
.fstianmen-hero__tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.fstianmen-hero__tile-ic{width:40px;height:40px;border-radius:12px;background:var(--bg-alt);color:var(--primary);display:flex;align-items:center;justify-content:center}
.fstianmen-hero__tile-ic svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7}
.fstianmen-hero__tile-t{font-weight:700;color:var(--heading)}
.fstianmen-hero__actions{display:flex;gap:14px;flex-wrap:wrap}