@charset "UTF-8";
/* ==========================================================================
   formulary — 化工原料外贸站主题样式
   视觉：米白纸感 · 墨黑 · 砖红 · 橄榄土
   几何：直角 / 1px 细线 / ruled 台账语言 / 无投影
   结构：header → hero → indexband → families → assure → grades → ledger
         → apps → docs → packing → process → insights → faq → cta → footer
   ========================================================================== */

/* --- 0. 设计令牌 ---------------------------------------------------------- */
:root{
  --fm-paper:#f8f5ee;          /* 正文底色 */
  --fm-paper-2:#efe9dc;        /* 纸感分区 */
  --fm-paper-3:#e7dfce;        /* 深一档纸 */
  --fm-surface:#fffdf8;        /* 卡片面 */
  --fm-ink:#15130f;            /* 墨黑 */
  --fm-ink-2:#2b2721;
  --fm-ink-3:#4a453d;
  --fm-brick:#b03a24;          /* 砖红主强调 */
  --fm-brick-d:#8d2b18;
  --fm-brick-l:#cf5c43;
  --fm-olive:#6b6a4c;          /* 次要标记 */
  --fm-line:#ddd6c6;           /* 分隔线 */
  --fm-line-2:#c7bda5;         /* 强分隔线 */
  --fm-muted:#6d6a60;          /* 次要文字 */
  --fm-muted-2:#8d8878;
  --fm-focus:#b03a24;
  --fm-radius:0px;
  --fm-radius-sm:0px;
  --fm-wrap:1240px;
  --fm-gutter:24px;
  --fm-font:ui-sans-serif,system-ui,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --fm-serif:Georgia,"Times New Roman","Noto Serif","Songti SC","Song",serif;
  --fm-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --fm-head:clamp(26px,3vw,40px);
  --fm-head-sm:clamp(20px,2.2vw,27px);
  --fm-grid-line:rgba(21,19,15,.045);
  --fm-grid-line-2:rgba(21,19,15,.07);
}

/* --- 1. 基础 -------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--fm-paper);
  color:var(--fm-ink);
  font-family:var(--fm-font);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{max-width:100%}
img{height:auto;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:var(--fm-brick)}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;line-height:1.2}
p{margin:0}
hr{border:0;border-top:1px solid var(--fm-line);margin:0}
::selection{background:var(--fm-brick);color:#fff}
:focus-visible{outline:2px solid var(--fm-focus);outline-offset:2px}

.fm-sr,.sr-only{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.fm-skip:focus,.fm-skip:focus-visible{
  position:fixed!important;top:12px;left:12px;z-index:200;
  width:auto;height:auto;margin:0;padding:12px 18px;clip:auto;
  background:var(--fm-ink);color:#fff;font-family:var(--fm-mono);font-size:12px;
  letter-spacing:.06em;text-transform:uppercase;
}

/* --- 2. 版式基元 ---------------------------------------------------------- */
.fm-wrap{width:min(100% - 48px,var(--fm-wrap));margin-inline:auto}
.fm-sec{padding:76px 0}
.fm-sec-tight{padding:50px 0}
.fm-sec-paper{background:var(--fm-paper-2)}
.fm-sec-ink{background:var(--fm-ink);color:var(--fm-paper)}
.fm-sec-ink a{color:var(--fm-paper)}
.fm-sec-ink a:hover{color:var(--fm-brick-l)}
.fm-center{text-align:center}
.fm-gap{margin-top:26px}
.fm-gap-lg{margin-top:44px}
.fm-split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:60px;align-items:start}
.fm-split>*{min-width:0}

.fm-eyebrow,.fm-kicker{
  display:inline-block;font-family:var(--fm-mono);font-size:11px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--fm-brick);
}
.fm-eyebrow-light{color:var(--fm-brick-l)}
.fm-lead{font-size:17.5px;line-height:1.62;color:var(--fm-muted);max-width:66ch}
.fm-sec-ink .fm-lead{color:rgba(248,245,238,.76)}
.fm-note{font-size:13.5px;line-height:1.6;color:var(--fm-muted);display:flex;gap:9px;align-items:flex-start}
.fm-note i{color:var(--fm-brick);margin-top:3px;flex:0 0 auto}
.fm-note a{color:var(--fm-brick);text-decoration:underline;text-underline-offset:2px}

.fm-sechead{margin-bottom:36px}
.fm-sechead-row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px}
.fm-sechead h2,.fm-sechead-row h2{font-size:var(--fm-head);letter-spacing:-.012em;margin-top:12px}
.fm-sechead-row>div{min-width:0}
.fm-sechead-row p{margin-top:12px;font-size:15.5px;color:var(--fm-muted);max-width:68ch}

.fm-link{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  font-family:var(--fm-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--fm-brick);padding-bottom:3px;border-bottom:1px solid var(--fm-line-2);
  transition:border-color .18s,color .18s;
}
.fm-link:hover{border-color:var(--fm-brick)}
.fm-link i{transition:transform .18s}
.fm-link:hover i{transform:translateX(3px)}

.fm-pill{
  display:inline-block;font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--fm-brick);
  border:1px solid var(--fm-brick);padding:4px 10px;
}
.fm-badge{
  position:absolute;top:-6px;right:-6px;min-width:17px;height:17px;padding:0 4px;
  display:none;align-items:center;justify-content:center;
  background:var(--fm-brick);color:#fff;font-family:var(--fm-mono);font-size:10px;line-height:1;
}
.fm-count{
  font-family:var(--fm-mono);font-size:11px;letter-spacing:.06em;
  color:var(--fm-muted);overflow-wrap:break-word;
}
/* 短计数（Ref 345 / 条数 / 日期）保持单行不折 */
.fm-grade-meta .fm-count,.fm-toolbar .fm-count,.fm-detail-meta .fm-count{white-space:nowrap;flex:0 0 auto}
.fm-introblock{padding:26px 30px}
.fm-plate{background:var(--fm-surface);border:1px solid var(--fm-line)}
/* 产品内页的卡片：标题、正文与规格行左右留白，不贴卡片边线（规格行分隔线仍通条） */
body[e-page="view_product"] .fm-plate>.fm-sechead,
body[e-page="view_product"] .fm-plate>.detail-content,
body[e-page="view_product"] .fm-plate>.fm-caprows{padding-inline:26px}
body[e-page="view_product"] .fm-param-row{padding:13px 26px}
body[e-page="view_product"] .fm-param-row dt{padding-top:1px}
.fm-plate-quiet{background:var(--fm-paper);border-left:3px solid var(--fm-brick)}

/* 媒体位：直角 + 细线，无投影 */
.fm-media{display:block;position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--fm-paper-2);border:1px solid var(--fm-line)}
.fm-media-tall{aspect-ratio:4/5}
.fm-media-plain{border:0;background:transparent}
.fm-media img{width:100%;height:100%;object-fit:cover;display:block}
.fm-media-plain img{object-fit:contain}
/* 产品主图槽：容器为 1:1，回退媒体位须撑满该方框，否则 4:5 会超出并被 overflow 裁掉底边 */
.fm-gallery-main .fm-media{aspect-ratio:1/1;height:100%}
.fm-svg{width:100%;height:100%;display:block}
.fm-media-tile{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.fm-media-tile b{font-family:var(--fm-mono);font-size:26px;letter-spacing:.06em;color:var(--fm-ink);opacity:.5}
/* 目录页右格：排版卡（左格已是真实照片）。内容纵向居中，PDF 改作右下角文件类型角标，
   不再居中叠在正文上。 */
.fm-mediacard{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:9px;padding:30px 28px}
.fm-mediacard h3{margin:0;font-family:var(--fm-serif);font-size:clamp(19px,1.8vw,24px);font-weight:600;line-height:1.25}
.fm-mediacard p{margin:0;font-size:13.5px;line-height:1.6;color:var(--fm-muted)}
.fm-mediacard>.fa-flask-vial{font-size:20px;color:var(--fm-olive)}
.fm-mediacard .fm-media-tile{position:absolute;inset:auto 0 0 auto;display:block}
.fm-mediacard .fm-media-tile b{
  display:block;padding:6px 9px;opacity:1;
  font-size:10.5px;line-height:1;letter-spacing:.14em;
  background:var(--fm-ink);color:var(--fm-paper);
}

/* --- 3. 按钮与控件 -------------------------------------------------------- */
.fm-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 22px;border:1px solid transparent;background:transparent;cursor:pointer;
  font-family:var(--fm-mono);font-size:11.5px;font-weight:500;letter-spacing:.11em;
  text-transform:uppercase;line-height:1;text-align:center;
  transition:background .18s,color .18s,border-color .18s;
}
.fm-btn i{font-size:12px}
.fm-btn-primary{background:var(--fm-ink);color:var(--fm-paper);border-color:var(--fm-ink)}
.fm-btn-primary:hover{background:var(--fm-ink-2);color:#fff}
.fm-btn-accent{background:var(--fm-brick);color:#fff;border-color:var(--fm-brick)}
.fm-btn-accent:hover{background:var(--fm-brick-d);color:#fff}
.fm-btn-line{border-color:var(--fm-line-2);color:var(--fm-ink)}
.fm-btn-line:hover{border-color:var(--fm-ink);background:var(--fm-ink);color:var(--fm-paper)}
/* ghost：默认按浅底（内页头 / 手机导航面板）配色，深底区块内自动反白 */
.fm-btn-ghost{border-color:var(--fm-line-2);color:var(--fm-ink)}
.fm-btn-ghost:hover{background:var(--fm-ink);color:var(--fm-paper);border-color:var(--fm-ink)}
.fm-ctaband .fm-btn-ghost,.fm-sec-ink .fm-btn-ghost,.fm-foot .fm-btn-ghost{border-color:rgba(248,245,238,.42);color:var(--fm-paper)}
.fm-ctaband .fm-btn-ghost:hover,.fm-sec-ink .fm-btn-ghost:hover,.fm-foot .fm-btn-ghost:hover{background:var(--fm-paper);color:var(--fm-ink);border-color:var(--fm-paper)}
.fm-btn-sm{padding:9px 15px;font-size:10.5px;letter-spacing:.09em}
.fm-btn-lg{padding:15px 28px;font-size:12px}
.fm-btn-block{display:flex;width:100%}
.fm-sec-ink .fm-btn-primary,.fm-ctaband .fm-btn-primary{background:var(--fm-paper);color:var(--fm-ink);border-color:var(--fm-paper)}
.fm-sec-ink .fm-btn-primary:hover,.fm-ctaband .fm-btn-primary:hover{background:#fff;color:var(--fm-ink)}
.fm-btn:disabled{opacity:.5;cursor:not-allowed}

.fm-iconbtn{
  width:38px;height:38px;flex:0 0 auto;padding:0;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--fm-line-2);background:transparent;cursor:pointer;
  transition:background .18s,color .18s,border-color .18s;
}
.fm-iconbtn:hover{background:var(--fm-ink);color:var(--fm-paper);border-color:var(--fm-ink)}
.fm-iconbtn-ghost{border-color:transparent;color:var(--fm-muted)}
.fm-iconbtn-ghost:hover{background:var(--fm-brick);color:#fff;border-color:var(--fm-brick)}

.fm-chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.fm-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border:1px solid var(--fm-line-2);background:transparent;cursor:pointer;
  font-family:var(--fm-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--fm-ink-3);white-space:nowrap;transition:background .16s,color .16s,border-color .16s;
}
.fm-chip:hover{border-color:var(--fm-ink);color:var(--fm-ink)}
.fm-chip.on,.fm-chip.active{background:var(--fm-ink);border-color:var(--fm-ink);color:var(--fm-paper)}
.fm-chip i{font-size:11px}
.fm-subchips{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-top:12px;margin-top:12px;border-top:1px dashed var(--fm-line)}
.fm-subchips>span{font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--fm-muted);display:inline-flex;gap:7px;align-items:center;margin-right:4px}
.fm-thumbs{display:flex;gap:8px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
.fm-thumbs>*{flex:0 0 auto}
.fm-viewsw{display:inline-flex;border:1px solid var(--fm-line-2)}
.fm-viewsw button{
  width:36px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:0;border-right:1px solid var(--fm-line);
  color:var(--fm-muted);cursor:pointer;transition:background .16s,color .16s;
}
.fm-viewsw button:last-child{border-right:0}
.fm-viewsw button:hover{color:var(--fm-ink)}
.fm-viewsw button.on{background:var(--fm-ink);color:var(--fm-paper)}
.fm-toolbar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.fm-toolbar>div{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
/* 过滤条里的搜索框：统一细线输入框；带放大镜图标时紧跟图标，剩余空间推给右侧计数 */
.fm-filterbar .fm-toolbar>input[type=search]{
  width:100%;max-width:420px;min-width:120px;
  border:1px solid var(--fm-line-2);background:var(--fm-surface);
  padding:9px 12px;font-size:14px;color:var(--fm-ink);
  transition:border-color .16s;
}
.fm-filterbar .fm-toolbar>input[type=search]:focus{outline:0;border-color:var(--fm-ink)}
.fm-filterbar .fm-toolbar>input[type=search]::placeholder{color:var(--fm-muted-2)}
.fm-filterbar .fm-toolbar>i{flex:0 0 auto;color:var(--fm-muted);font-size:15px}
.fm-filterbar .fm-toolbar>i+input[type=search]{margin-right:auto}

/* --- 4. 页头 -------------------------------------------------------------- */
.fm-header{position:sticky;top:0;z-index:80;background:var(--fm-paper);border-bottom:1px solid var(--fm-line)}
.fm-header.is-scrolled{border-bottom-color:var(--fm-line-2)}

.fm-specline{background:var(--fm-ink);color:var(--fm-paper)}
.fm-specline-in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:9px 0}
.fm-specline-note{
  margin:0;font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.06em;
  color:rgba(248,245,238,.72);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.fm-specline-links{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.fm-specline-links>a{
  display:inline-flex;align-items:center;gap:7px;font-family:var(--fm-mono);
  font-size:10.5px;letter-spacing:.05em;color:rgba(248,245,238,.86);
}
.fm-specline-links>a:hover{color:var(--fm-brick-l)}
.fm-specline-quote{color:var(--fm-brick-l)!important}
.fm-lang{position:relative}
.fm-lang-btn{
  display:inline-flex;align-items:center;gap:7px;padding:0;background:none;border:0;cursor:pointer;
  font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.05em;color:rgba(248,245,238,.86);
}
.fm-lang-btn img{width:18px;height:13px;object-fit:cover;border:1px solid rgba(248,245,238,.3)}
.fm-lang-btn i{font-size:9px;transition:transform .18s}
.fm-lang-btn[aria-expanded="true"] i{transform:rotate(180deg)}
.fm-lang-menu{
  position:absolute;top:calc(100% + 10px);right:0;min-width:150px;z-index:120;
  background:var(--fm-surface);border:1px solid var(--fm-line-2);
  padding:5px;display:none;flex-direction:column;
}
.fm-lang-menu.open{display:flex}
.fm-lang-menu a{
  display:flex;align-items:center;gap:9px;padding:8px 11px;
  font-family:var(--fm-mono);font-size:11px;color:var(--fm-ink-3);
}
.fm-lang-menu a:hover{background:var(--fm-paper-2);color:var(--fm-ink)}
.fm-lang-menu a.on{color:var(--fm-brick);font-weight:600}
.fm-lang-menu a img{width:18px;height:13px;object-fit:cover;border:1px solid var(--fm-line)}

.fm-masthead-in{display:flex;align-items:center;gap:26px;padding:16px 0}
.fm-brand{display:flex;align-items:center;gap:13px;min-width:0;flex:0 1 auto;overflow:hidden}
.fm-brand img{max-height:42px;width:auto;flex:0 0 auto}
.fm-brand-txt{display:flex;flex-direction:column;min-width:0;overflow:hidden}
.fm-brand-txt strong{
  font-family:var(--fm-serif);font-size:19px;font-weight:600;letter-spacing:-.01em;
  line-height:1.15;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.fm-brand-txt small{
  font-family:var(--fm-mono);font-size:9.5px;letter-spacing:.05em;color:var(--fm-muted);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
/* 品牌文字被挤到装不下时只留 LOGO，避免出现半截站名 */
.fm-brand.is-thin .fm-brand-txt{display:none}

.fm-nav{margin-left:auto;min-width:0;flex:0 0 auto}
.fm-nav-rail{display:flex;align-items:center;gap:2px}
.fm-nav-item{position:relative;flex:0 0 auto}
.fm-nav-item>a{
  display:inline-flex;align-items:center;gap:6px;padding:10px 10px;
  font-family:var(--fm-mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;
  color:var(--fm-ink-3);border-bottom:2px solid transparent;transition:color .16s,border-color .16s;
}
.fm-nav-item>a:hover,.fm-nav-item>a.on{color:var(--fm-ink);border-bottom-color:var(--fm-brick)}
.fm-nav-item>a i{font-size:9px}
.fm-nav-panel{
  position:absolute;top:100%;left:0;min-width:300px;z-index:110;
  background:var(--fm-surface);border:1px solid var(--fm-line-2);
  padding:22px 24px;display:none;
  box-shadow:0 18px 34px -28px rgba(21,19,15,.4);
}
.fm-nav-item.has-panel:hover .fm-nav-panel,.fm-nav-item.has-panel:focus-within .fm-nav-panel{display:block}
.fm-nav-grid{display:grid;grid-template-columns:1fr;gap:18px}
.fm-nav-grid>*{min-width:0}
.fm-nav-group{display:flex;flex-direction:column;gap:6px}
.fm-nav-parent{
  display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:600;
  color:var(--fm-ink);padding-bottom:7px;border-bottom:1px solid var(--fm-line);
}
.fm-nav-parent i{color:var(--fm-olive);font-size:13px}
.fm-nav-parent:hover{color:var(--fm-brick)}
.fm-nav-child{
  display:block;font-size:13.5px;color:var(--fm-muted);padding:3px 0 3px 12px;
  border-left:1px dashed var(--fm-line-2);margin-left:4px;
}
.fm-nav-child::before{content:"└ ";color:var(--fm-line-2);margin-left:-12px}
.fm-nav-child:hover{color:var(--fm-ink);border-left-color:var(--fm-brick)}
.fm-nav-all{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding-top:14px;
  border-top:1px solid var(--fm-line);font-family:var(--fm-mono);font-size:11px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--fm-brick);
}
/* 「更多」下拉：一级栏目超过 6 个时，多出的收纳在这里 */
.fm-more .fm-nav-panel{left:auto;right:0;max-height:calc(100vh - 150px);overflow:auto}
.fm-more-sub{display:grid;grid-template-columns:1fr;gap:0;min-width:220px}
.fm-more-sub>li{min-width:0}
.fm-more-sub .fm-nav-item{flex:1 1 auto}
.fm-more-sub .fm-nav-item>a{
  width:100%;padding:9px 2px;border-bottom:1px solid var(--fm-line);
  font-family:var(--fm-font);font-size:13.5px;letter-spacing:0;text-transform:none;color:var(--fm-ink-3);
}
.fm-more-sub>li:last-child>a{border-bottom:0}
.fm-more-sub .fm-nav-item>a:hover,.fm-more-sub .fm-nav-item>a.on{color:var(--fm-brick)}
/* 收纳进来的一级栏目的下级分类，改为面板内缩进展开，避免浮层溢出 */
.fm-more-sub .fm-nav-panel{
  position:static;display:block;min-width:0;padding:4px 0 10px 14px;
  background:transparent;border:0;box-shadow:none;
}
.fm-more-sub .fm-nav-panel a{font-size:13.5px;color:var(--fm-muted);padding:3px 0}
.fm-more-sub .fm-nav-panel a:hover{color:var(--fm-brick)}

.fm-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.fm-tool{
  position:relative;width:40px;height:40px;flex:0 0 auto;padding:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--fm-line-2);color:var(--fm-ink);
  cursor:pointer;transition:background .18s,color .18s,border-color .18s;
}
.fm-tool:hover{background:var(--fm-ink);color:var(--fm-paper);border-color:var(--fm-ink)}
.fm-tool-quote{color:var(--fm-brick)}
.fm-masthead-cta{padding:0 20px;height:40px;flex:0 0 auto;white-space:nowrap}
.fm-burger{display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.fm-burger span{display:block;width:20px;height:2px;background:currentColor;transition:transform .2s,opacity .2s}
.fm-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.fm-burger.is-open span:nth-child(2){opacity:0}
.fm-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.fm-contents{background:var(--fm-paper-2);border-top:1px solid var(--fm-line)}
.fm-contents-in{display:flex;align-items:baseline;gap:22px;padding:11px 0;min-width:0}
.fm-contents-lab{
  font-family:var(--fm-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--fm-brick);flex:0 0 auto;
}
.fm-contents-list{
  display:flex;flex-wrap:nowrap;gap:0;overflow-x:auto;min-width:0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.fm-contents-list::-webkit-scrollbar{display:none}
.fm-contents-list a{
  font-family:var(--fm-mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;
  color:var(--fm-muted);white-space:nowrap;padding:2px 15px;border-left:1px solid var(--fm-line);
  transition:color .16s;
}
.fm-contents-list a:first-child{border-left:0;padding-left:0}
.fm-contents-list a:hover,.fm-contents-list a.on{color:var(--fm-brick)}

/* 搜索浮层 */
.fm-searchover{
  position:absolute;left:0;right:0;top:100%;z-index:100;
  background:var(--fm-surface);border-bottom:1px solid var(--fm-line-2);
  display:none;padding:30px 0;
  box-shadow:0 22px 40px -32px rgba(21,19,15,.4);
}
.fm-searchover.open{display:block}
.fm-searchform{display:flex;align-items:center;gap:0;border-bottom:2px solid var(--fm-ink);padding-bottom:10px}
.fm-searchform>i{color:var(--fm-muted);font-size:17px;margin-right:14px;flex:0 0 auto}
.fm-searchform input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;padding:9px 0;
  font-family:var(--fm-serif);font-size:22px;color:var(--fm-ink);
}
.fm-searchform input::placeholder{color:var(--fm-muted-2);font-family:var(--fm-font);font-size:16px}
.fm-searchform input:focus{outline:0}
.fm-searchform .fm-btn{flex:0 0 auto}
.fm-quicklinks{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;
  font-size:13px;color:var(--fm-muted);
}
.fm-quicklinks>span{font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase}
.fm-quicklinks a{
  font-family:var(--fm-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid var(--fm-line-2);padding:5px 11px;color:var(--fm-ink-3);
}
.fm-quicklinks a:hover{background:var(--fm-ink);border-color:var(--fm-ink);color:var(--fm-paper)}

/* 移动面板 */
.fm-mask{
  position:fixed;inset:0;z-index:90;background:rgba(21,19,15,.5);
  opacity:0;visibility:hidden;transition:opacity .22s,visibility .22s;
}
.fm-mask.open{opacity:1;visibility:visible}
.fm-panel{
  position:fixed;top:0;right:0;bottom:0;z-index:95;width:min(92vw,400px);
  background:var(--fm-paper);border-left:1px solid var(--fm-line-2);
  display:flex;flex-direction:column;
  transform:translateX(101%);transition:transform .26s ease;
  overflow-y:auto;overscroll-behavior:contain;
}
.fm-panel.open{transform:translateX(0)}
.fm-panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;border-bottom:1px solid var(--fm-line);background:var(--fm-paper-2);
}
.fm-panel-head img{max-height:34px;width:auto}
.fm-panel-body{padding:20px;flex:1 1 auto}
.fm-panel-search{display:flex;border:1px solid var(--fm-line-2);background:var(--fm-surface);margin-bottom:20px}
.fm-panel-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;padding:12px 14px;font-size:15px}
.fm-panel-search input:focus{outline:0}
.fm-panel-search button{
  width:46px;flex:0 0 auto;border:0;background:var(--fm-ink);color:var(--fm-paper);cursor:pointer;
}
.fm-panel-nav{display:flex;flex-direction:column;border-top:1px solid var(--fm-line)}
.fm-panel-link{
  display:flex;align-items:center;gap:11px;padding:13px 2px;
  font-family:var(--fm-mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;
  color:var(--fm-ink-3);border-bottom:1px solid var(--fm-line);
}
.fm-panel-link i{color:var(--fm-olive);font-size:13px}
.fm-panel-link:hover,.fm-panel-link.on{color:var(--fm-brick)}
.fm-panel-acc{border-bottom:1px solid var(--fm-line)}
.fm-panel-acc>summary{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 2px;cursor:pointer;list-style:none;
  font-family:var(--fm-mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--fm-ink-3);
}
.fm-panel-acc>summary::-webkit-details-marker{display:none}
.fm-panel-acc>summary i{color:var(--fm-brick);font-size:12px;transition:transform .2s}
.fm-panel-acc[open]>summary{color:var(--fm-ink)}
.fm-panel-acc[open]>summary i{transform:rotate(45deg)}
.fm-panel-sub{display:flex;flex-direction:column;gap:2px;padding:4px 0 14px 12px;border-left:1px dashed var(--fm-line-2);margin-left:6px}
.fm-panel-sub a{font-size:14px;color:var(--fm-muted);padding:5px 0}
.fm-panel-sub a:hover{color:var(--fm-ink)}
.fm-panel-all{font-family:var(--fm-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--fm-brick)!important}
.fm-panel-l2{font-size:13px!important;padding-left:10px!important}
.fm-panel-lang{margin-top:24px;padding-top:20px;border-top:1px solid var(--fm-line)}
.fm-panel-lang>span{font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--fm-muted)}
.fm-panel-langs{display:flex;flex-wrap:wrap;gap:8px;margin-top:11px}
.fm-panel-langs a{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;
  border:1px solid var(--fm-line-2);padding:6px 11px;color:var(--fm-ink-3);
}
.fm-panel-langs a.on{border-color:var(--fm-brick);color:var(--fm-brick)}
.fm-panel-langs a img{width:18px;height:13px;object-fit:cover}
.fm-panel-contact{display:flex;flex-direction:column;gap:9px;margin-top:22px}
.fm-panel-contact a{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--fm-muted)}
.fm-panel-contact a i{color:var(--fm-brick)}
.fm-panel-foot{padding:18px 20px calc(18px + env(safe-area-inset-bottom));border-top:1px solid var(--fm-line);display:flex;flex-direction:column;gap:10px;background:var(--fm-paper-2)}

/* --- 5. 页脚 -------------------------------------------------------------- */
.fm-foot{background:var(--fm-ink);color:rgba(248,245,238,.8)}
.fm-foot a{color:rgba(248,245,238,.8)}
.fm-foot a:hover{color:#fff}
.fm-foot-enquiry{border-bottom:1px solid rgba(248,245,238,.16);background:linear-gradient(0deg,rgba(176,58,36,.12),rgba(176,58,36,.12))}
.fm-foot-enquiry-in{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:44px;align-items:center;padding:52px 0}
.fm-foot-enquiry-in>*{min-width:0}
.fm-foot-enquiry h2{color:var(--fm-paper);font-size:var(--fm-head);letter-spacing:-.012em;margin-top:11px}
.fm-foot-enquiry p{margin-top:12px;font-size:15.5px;color:rgba(248,245,238,.72);max-width:60ch}
.fm-foot-enquiry-acts{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}
.fm-foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;padding:56px 0 44px;border-bottom:1px solid rgba(248,245,238,.14);
}
.fm-foot-grid>*{min-width:0}
.fm-foot-logo img{max-height:40px;width:auto;filter:brightness(0) invert(1)}
.fm-foot-brand p{margin-top:16px;font-size:14px;color:rgba(248,245,238,.66);max-width:42ch}
.fm-foot-sub{margin-top:24px}
.fm-foot-sub h4{
  font-family:var(--fm-mono);font-size:10.5px;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;color:var(--fm-brick-l);margin-bottom:11px;
}
.fm-subform{display:flex;border:1px solid rgba(248,245,238,.3);max-width:340px}
.fm-subform input{flex:1 1 auto;min-width:0;background:transparent;border:0;padding:11px 13px;color:var(--fm-paper);font-size:14px}
.fm-subform input::placeholder{color:rgba(248,245,238,.45)}
.fm-subform input:focus{outline:0}
.fm-subform button{width:46px;flex:0 0 auto;border:0;background:var(--fm-brick);color:#fff;cursor:pointer}
.fm-subform button:hover{background:var(--fm-brick-d)}
.fm-foot-sub small{display:block;margin-top:9px;font-size:12px;color:rgba(248,245,238,.5)}
.fm-foot-col h4{
  font-family:var(--fm-mono);font-size:10.5px;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;color:var(--fm-brick-l);margin-bottom:16px;
}
.fm-foot-col ul,.fm-foot-col>a{display:block}
.fm-foot-col li a,.fm-foot-col>a.fm-foot-ch{display:block;padding:6px 0;font-size:14px}
.fm-foot-more{
  display:inline-flex!important;align-items:center;gap:8px;margin-top:14px;
  font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--fm-brick-l)!important;
}
.fm-foot-contact{display:flex;flex-direction:column;gap:10px}
.fm-foot-contact a{display:flex;align-items:flex-start;gap:11px;font-size:14px;line-height:1.5}
.fm-foot-contact a i{color:var(--fm-brick-l);margin-top:4px;flex:0 0 auto}
.fm-foot-ch-static{display:flex;align-items:flex-start;gap:11px;font-size:14px;color:rgba(248,245,238,.72)}
.fm-foot-ch-static i{color:var(--fm-brick-l);margin-top:4px;flex:0 0 auto}
.fm-foot-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding:20px 0}
.fm-foot-legal{display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px;font-size:12.5px;color:rgba(248,245,238,.58)}
.fm-foot-legal a{font-size:12.5px}
.fm-social{display:flex;gap:9px}
.fm-social a{
  width:34px;height:34px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(248,245,238,.24);color:rgba(248,245,238,.8);transition:background .18s,color .18s,border-color .18s;
}
.fm-social a:hover{background:var(--fm-brick);border-color:var(--fm-brick);color:#fff}

/* --- 6. 浮标 / 移动底栏 / 模态 / 吐司 ------------------------------------- */
.fm-wa{
  position:fixed;right:20px;bottom:24px;z-index:70;width:50px;height:50px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--fm-olive);color:#fff;font-size:22px;
  transition:background .18s;
}
.fm-wa:hover{background:var(--fm-ink);color:#fff}
.fm-top{
  position:fixed;right:20px;bottom:84px;z-index:70;width:50px;height:50px;font-size:20px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--fm-ink);color:var(--fm-paper);border:0;cursor:pointer;
  opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s,background .18s;
}
.fm-top.show{opacity:1;visibility:visible}
.fm-top:hover{background:var(--fm-brick)}
.fm-mobilebar{
  position:fixed;left:0;right:0;bottom:0;z-index:75;display:none;
  background:var(--fm-surface);border-top:1px solid var(--fm-line);
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));gap:10px;
}

.fm-modal{
  position:fixed;inset:0;z-index:130;display:none;
  align-items:flex-start;justify-content:center;
  background:rgba(21,19,15,.62);padding:32px 20px;overflow-y:auto;
}
.fm-modal.on{display:flex}
.fm-modal-box{
  position:relative;width:min(100%,720px);background:var(--fm-paper);
  border:1px solid var(--fm-line-2);margin:auto;
}
.fm-modal-close{
  position:absolute;top:12px;right:12px;z-index:2;width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--fm-line-2);color:var(--fm-ink);cursor:pointer;
}
.fm-modal-close:hover{background:var(--fm-ink);color:var(--fm-paper);border-color:var(--fm-ink)}
.fm-modal-head{padding:30px 34px 20px;border-bottom:1px solid var(--fm-line);background:var(--fm-paper-2)}
.fm-modal-head h3{font-size:var(--fm-head-sm);margin-top:12px}
.fm-modal-head p{margin-top:9px;font-size:14.5px;color:var(--fm-muted)}
.fm-modal-main{padding:26px 34px}
.fm-modal-foot{
  padding:18px 34px 26px;border-top:1px solid var(--fm-line);
  display:flex;flex-direction:column;gap:14px;background:var(--fm-paper-2);
}
.fm-modal-foot .fm-btn{width:100%}

.fm-form{display:grid;gap:16px}
.fm-form-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.fm-form-2>*{min-width:0}
.fm-field{display:flex;flex-direction:column;gap:7px;min-width:0}
.fm-field label{
  font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--fm-muted);
}
.fm-field input[type=text],.fm-field input[type=email],.fm-field input[type=tel],
.fm-field input[type=number],.fm-field input[type=password],.fm-field select,.fm-field textarea{
  width:100%;background:var(--fm-surface);border:1px solid var(--fm-line-2);
  padding:12px 13px;font-size:15px;color:var(--fm-ink);transition:border-color .16s;
}
.fm-field textarea{min-height:132px;resize:vertical;line-height:1.6}
.fm-field select{appearance:none;padding-right:34px;background-image:linear-gradient(45deg,transparent 50%,var(--fm-muted) 50%),linear-gradient(135deg,var(--fm-muted) 50%,transparent 50%);background-position:calc(100% - 19px) 50%,calc(100% - 14px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.fm-field input:focus,.fm-field select:focus,.fm-field textarea:focus{outline:0;border-color:var(--fm-ink)}
.fm-field input[required]+*, .fm-field.required label::after{content:none}
.fm-field img{max-width:180px;border:1px solid var(--fm-line)}
.fm-field input[type=checkbox],.fm-field input[type=radio]{width:auto;accent-color:var(--fm-brick);margin-right:7px}
.fm-chips .fm-chip i{pointer-events:none}

.success-overlay{
  position:fixed;inset:0;z-index:150;display:flex;align-items:center;justify-content:center;
  background:rgba(21,19,15,.62);padding:24px;
}
.success-box{
  width:min(100%,460px);background:var(--fm-paper);border:1px solid var(--fm-line-2);
  padding:40px 34px;text-align:center;
}
.success-icon{
  width:58px;height:58px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--fm-brick);color:var(--fm-brick);font-size:24px;
}
.success-box h3{font-family:var(--fm-serif);font-size:22px;margin-bottom:10px}
.success-box p{font-size:14.5px;color:var(--fm-muted);margin-bottom:22px}

.fm-toast{
  position:fixed;left:50%;bottom:96px;z-index:160;transform:translateX(-50%) translateY(10px);
  max-width:calc(100vw - 40px);display:flex;align-items:center;gap:16px;
  background:var(--fm-ink);color:var(--fm-paper);border-left:3px solid var(--fm-brick);
  padding:14px 20px;font-size:14px;opacity:0;transition:opacity .28s,transform .28s;
}
.fm-toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.fm-toast a{font-family:var(--fm-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--fm-brick-l);white-space:nowrap}

/* Cookie 条 */
.fm-cookie{
  position:fixed;left:0;right:0;bottom:0;z-index:140;display:none;align-items:center;gap:18px;
  background:var(--fm-surface);border-top:1px solid var(--fm-line-2);
  padding:16px 24px calc(16px + env(safe-area-inset-bottom));
  box-shadow:0 -18px 30px -30px rgba(21,19,15,.5);
}
.fm-cookie-icon{color:var(--fm-brick);font-size:20px;flex:0 0 auto}
.fm-cookie-body{flex:1 1 auto;min-width:0;font-size:13.5px;color:var(--fm-muted)}
.fm-cookie-body a{color:var(--fm-brick);text-decoration:underline}
.fm-cookie-acts{display:flex;gap:10px;flex:0 0 auto}

/* --- 7. 首页模块 ---------------------------------------------------------- */
.fm-hero{position:relative;overflow:hidden;background:var(--fm-paper);border-bottom:1px solid var(--fm-line)}
.fm-hero-field{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(to right,var(--fm-grid-line) 0 1px,transparent 1px 92px),
    repeating-linear-gradient(to bottom,var(--fm-grid-line) 0 1px,transparent 1px 92px);
  -webkit-mask-image:linear-gradient(to bottom,#000 0%,#000 58%,transparent 100%);
  mask-image:linear-gradient(to bottom,#000 0%,#000 58%,transparent 100%);
}
.fm-hero-in{
  position:relative;display:grid;grid-template-columns:1.12fr .88fr;
  gap:64px;align-items:center;padding:74px 0 82px;
}
.fm-hero-in>*{min-width:0}
.fm-hero-copy{max-width:640px}
.fm-hero-title{
  font-family:var(--fm-serif);font-size:clamp(32px,4.4vw,56px);font-weight:600;
  letter-spacing:-.018em;line-height:1.07;margin-top:16px;
}
.fm-hero-lead{margin-top:20px;font-size:18px;line-height:1.6;color:var(--fm-muted);max-width:56ch}
.fm-hero-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

.fm-spec-card{
  background:var(--fm-surface);border:1px solid var(--fm-ink);border-left:4px solid var(--fm-brick);
}
.fm-spec-card-head{
  display:flex;align-items:center;gap:18px;padding:22px 24px;
  border-bottom:1px solid var(--fm-line);background:var(--fm-paper-2);
}
.fm-spec-card-head h2,.fm-spec-card-head strong{font-family:var(--fm-serif);font-size:19px;font-weight:600}
.fm-spec-card-head span{font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--fm-muted);display:block;margin-top:5px}
.fm-molecule{
  width:64px;height:52px;flex:0 0 auto;color:var(--fm-ink);
  display:flex;align-items:center;justify-content:center;
}
.fm-molecule svg{width:100%;height:100%}
.fm-spec-rows{margin:0;padding:0}
.fm-spec-row{
  display:grid;grid-template-columns:118px minmax(0,1fr);gap:16px;
  padding:13px 24px;border-bottom:1px solid var(--fm-line);
}
.fm-spec-row:last-child{border-bottom:0}
.fm-spec-row dt{
  margin:0;font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--fm-muted);padding-top:2px;
}
.fm-spec-row dd{margin:0;font-size:14.5px;color:var(--fm-ink-2)}

.fm-indexband{background:var(--fm-paper-2);border-bottom:1px solid var(--fm-line)}
.fm-indexband-in{display:flex;align-items:center;gap:26px;padding:13px 0;min-width:0}
.fm-indexband-lab{
  font-family:var(--fm-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--fm-brick);flex:0 0 auto;
}
.fm-indexband-list{
  display:flex;flex-wrap:nowrap;overflow-x:auto;gap:0;min-width:0;counter-reset:fmix;
  scrollbar-width:none;-ms-overflow-style:none;
}
.fm-indexband-list::-webkit-scrollbar{display:none}
.fm-indexitem{
  counter-increment:fmix;display:inline-flex;align-items:center;gap:8px;
  padding:2px 18px;border-left:1px solid var(--fm-line);white-space:nowrap;
  font-size:13px;color:var(--fm-muted);transition:color .16s;
}
.fm-indexitem:first-child{border-left:0;padding-left:0}
.fm-indexitem::before{
  content:counter(fmix,decimal-leading-zero);
  font-family:var(--fm-mono);font-size:10px;color:var(--fm-line-2);
}
.fm-indexitem:hover{color:var(--fm-brick)}
.fm-indexitem:hover::before{color:var(--fm-brick)}
.fm-index-name{font-weight:500}

/* 常见品类：卡片网格（图片与标题等宽，卡片之间留间距） */
.fm-families{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
.fm-families>*{min-width:0}
.fm-family{
  display:flex;flex-direction:column;gap:12px;min-height:100%;
  padding:22px;background:var(--fm-surface);
  border:1px solid var(--fm-line);border-top:3px solid transparent;
  transition:background .18s,border-color .18s,box-shadow .18s;
}
.fm-family:hover{background:var(--fm-paper);border-top-color:var(--fm-brick);box-shadow:0 16px 30px -26px rgba(21,19,15,.45)}
.fm-family-ic{
  width:100%;aspect-ratio:4/3;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--fm-line);color:var(--fm-olive);overflow:hidden;background:var(--fm-paper-2);
}
.fm-family-ic img{flex:1 1 auto;width:100%;height:100%;object-fit:cover;display:block}
.fm-family-ic svg{width:34px;height:34px;flex:0 0 auto}
.fm-family-n{font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.12em;color:var(--fm-line-2)}
.fm-family-name{font-family:var(--fm-serif);font-size:19px;font-weight:600;line-height:1.25}
.fm-family-desc{font-size:13.5px;line-height:1.55;color:var(--fm-muted);flex:1 1 auto}
.fm-family-go{
  display:inline-flex;align-items:center;gap:8px;margin-top:4px;
  font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--fm-brick);
}
.fm-family-go i{transition:transform .18s}
.fm-family:hover .fm-family-go i{transform:translateX(4px)}

/* 供货保证：编号台账行 */
.fm-assure{border-top:1px solid var(--fm-ink)}
.fm-assure-row{
  display:grid;grid-template-columns:58px minmax(0,1fr) 232px;gap:28px;
  padding:26px 0;border-bottom:1px solid var(--fm-line);
}
.fm-assure-row>*{min-width:0}
.fm-assure-n{font-family:var(--fm-mono);font-size:13px;letter-spacing:.1em;color:var(--fm-brick)}
.fm-assure-body h3{font-family:var(--fm-serif);font-size:20px;font-weight:600}
.fm-assure-body p{margin-top:8px;font-size:14.5px;color:var(--fm-muted)}
.fm-assure-out{border-left:2px solid var(--fm-brick);padding-left:18px}
.fm-assure-out b{
  display:block;font-family:var(--fm-mono);font-size:10.5px;font-weight:500;
  letter-spacing:.11em;text-transform:uppercase;color:var(--fm-olive);
}
.fm-assure-out span{display:block;margin-top:7px;font-size:13.5px;color:var(--fm-muted)}

/* 代表性品类：卡片网格（产品之间留间距） */
.fm-grades{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.fm-grades>*{min-width:0}
.fm-grade{
  display:flex;flex-direction:column;background:var(--fm-surface);
  border:1px solid var(--fm-line);
  transition:background .18s,border-color .18s,box-shadow .18s;
}
.fm-grade:hover{background:var(--fm-paper);border-color:var(--fm-line-2);box-shadow:0 16px 30px -26px rgba(21,19,15,.45)}
/* 产品图都是 1:1 方图：媒体框也用 1:1 并 contain，保证整张图完整显示、不裁切 */
.fm-grade-media{display:block;position:relative;aspect-ratio:1/1;overflow:hidden;border-bottom:1px solid var(--fm-line);background:var(--fm-paper-2)}
.fm-grade-media img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .4s}
.fm-grade:hover .fm-grade-media img{transform:scale(1.03)}
/* 证书墙（Available documents）：证书扫描件是 A4 竖版，按 5:7 边框整张显示，不裁切 */
#fmDocWall .fm-grade-media{aspect-ratio:5/7;background:var(--fm-paper-2)}
#fmDocWall .fm-grade-media img{object-fit:contain}
#fmDocWall .fm-grade:hover .fm-grade-media img{transform:none}
.fm-grade-media .fm-media{border:0;aspect-ratio:auto;height:100%;background:transparent}
.fm-grade-body{display:flex;flex-direction:column;gap:11px;padding:20px 22px 22px;flex:1 1 auto}
.fm-grade-meta{display:flex;align-items:center;gap:9px;font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--fm-muted)}
.fm-grade-meta i{color:var(--fm-line-2);font-style:normal}
.fm-grade-body h3{font-family:var(--fm-serif);font-size:19px;font-weight:600;line-height:1.3}
.fm-grade-body h3 a:hover{color:var(--fm-brick)}
.fm-grade-body p{font-size:13.5px;line-height:1.6;color:var(--fm-muted)}
.fm-grade-acts{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:auto;padding-top:4px}
.fm-grade-acts .fm-btn{flex:0 0 auto}

/* 规格台账（首页） */
/* 规格台账（首页 / 关于 / 侧栏）：标签列随文字宽度自适应，正文列占满剩余宽度
   （原先是 flex + 262px 固定基准，放在窄栏里标签与正文会各自换行、正文还带 dd 缩进） */
.fm-ledger{border-top:2px solid var(--fm-ink)}
.fm-ledger-row{
  display:grid;grid-template-columns:clamp(96px,28%,200px) minmax(0,1fr);
  gap:4px 28px;padding:17px 0;border-bottom:1px solid var(--fm-line);
}
.fm-ledger-k{
  min-width:0;margin:0;font-family:var(--fm-mono);font-size:11.5px;
  letter-spacing:.09em;text-transform:uppercase;color:var(--fm-ink-3);
}
.fm-ledger-v{min-width:0;margin:0;font-size:15px;color:var(--fm-muted)}
.fm-ledger-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;margin-top:30px}
.fm-ledger-foot .fm-note{max-width:62ch}

/* 应用场景 */
.fm-apps{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--fm-line);border-left:1px solid var(--fm-line);
}
.fm-apps>*{min-width:0}
.fm-app{
  padding:28px 24px 30px;background:var(--fm-surface);
  border-right:1px solid var(--fm-line);border-bottom:1px solid var(--fm-line);
}
.fm-app-n{display:block;font-family:var(--fm-mono);font-size:22px;line-height:1;color:var(--fm-brick);opacity:.85}
.fm-app h3{font-family:var(--fm-serif);font-size:19px;font-weight:600;margin-top:16px}
.fm-app p{margin-top:10px;font-size:14px;line-height:1.62;color:var(--fm-muted)}

/* 单据：flex 自动铺满整行，最后一行不会留下空档 */
.fm-docs{
  display:flex;flex-wrap:wrap;
  border-top:1px solid var(--fm-line);border-left:1px solid var(--fm-line);
}
.fm-doc{
  min-width:0;flex:1 1 200px;
  padding:24px 22px 26px;background:var(--fm-surface);
  border-right:1px solid var(--fm-line);border-bottom:1px solid var(--fm-line);
}
.fm-doc-n{display:block;font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.14em;color:var(--fm-brick)}
.fm-doc b{display:block;font-family:var(--fm-serif);font-size:17.5px;font-weight:600;margin-top:13px}
.fm-doc span:last-child{display:block;margin-top:9px;font-size:13.5px;line-height:1.6;color:var(--fm-muted)}
.fm-doclist{border-top:1px solid var(--fm-line)}
.fm-doclist-row{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--fm-line);
}
.fm-doclist-row>*{min-width:0}

/* 包装规格 */
.fm-caprows{border-top:1px solid var(--fm-line);margin-top:26px}
.fm-caprow{
  display:grid;grid-template-columns:168px minmax(0,1fr);gap:6px 22px;align-items:baseline;
  padding:14px 0;border-bottom:1px solid var(--fm-line);
}
.fm-caprow>*{min-width:0}
.fm-caprow b{font-size:15.5px;font-weight:600}
.fm-caprow span{
  font-family:var(--fm-mono);font-size:12px;line-height:1.65;letter-spacing:.05em;
  color:var(--fm-muted);text-align:left;overflow-wrap:break-word;
}
.fm-capnote{margin-top:18px;font-size:13px;color:var(--fm-muted)}

/* 流程 */
.fm-proc{border-top:1px solid var(--fm-ink)}
.fm-proc-row{
  display:grid;grid-template-columns:54px minmax(0,1fr) 244px;gap:26px;
  padding:22px 0;border-bottom:1px solid var(--fm-line);
}
.fm-proc-row>*{min-width:0}
.fm-proc-n{font-family:var(--fm-mono);font-size:13px;letter-spacing:.1em;color:var(--fm-brick)}
.fm-proc-body h3{font-family:var(--fm-serif);font-size:18.5px;font-weight:600}
.fm-proc-body p{margin-top:7px;font-size:14px;color:var(--fm-muted)}
/* 带配图的流程行：文字与配图并排、配图固定 4:3 尺寸，避免整行被大图撑高
   （只作用于含 .fm-media 的流程体，首页/关于页那种纯文字流程行不受影响） */
.fm-proc-body:has(> .fm-media){
  display:grid;grid-template-columns:minmax(0,1fr) 320px;grid-template-rows:auto 1fr;
  gap:0 30px;align-items:start;
}
.fm-proc-body:has(> .fm-media) h3{grid-column:1;grid-row:1}
.fm-proc-body:has(> .fm-media) p{grid-column:1;grid-row:2}
.fm-proc-body .fm-media{
  grid-column:2;grid-row:1/span 2;width:100%;aspect-ratio:4/3;
  border:1px solid var(--fm-line);background:var(--fm-paper-2);
}
.fm-proc-body .fm-media img{object-fit:cover}
.fm-proc-out{border-left:2px solid var(--fm-line-2);padding-left:18px}
/* 带配图的流程行：checkpoint 内容垂直居中（左侧竖线仍贯穿整行） */
.fm-proc-row:has(.fm-media) .fm-proc-out{display:flex;flex-direction:column;justify-content:center}
.fm-proc-out b{
  display:block;font-family:var(--fm-mono);font-size:10.5px;font-weight:500;
  letter-spacing:.11em;text-transform:uppercase;color:var(--fm-olive);
}
.fm-proc-out span{display:block;margin-top:7px;font-size:13px;color:var(--fm-muted)}

/* 洞察 / 文章：列数按容器宽度自适应，放在窄栏（如博客列表页的 .fm-split 内）也不会挤成一条 */
.fm-notes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.fm-notes>*{min-width:0}
.fm-note-item{
  display:flex;flex-direction:column;background:var(--fm-surface);
  border:1px solid var(--fm-line);transition:border-color .18s;
}
.fm-note-item:hover{border-color:var(--fm-ink)}
.fm-note-thumb{display:block;aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--fm-line);background:var(--fm-paper-2)}
.fm-note-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.fm-note-thumb svg{width:100%;height:100%}
.fm-note-item>div,.fm-note-item>*:not(.fm-note-thumb){padding-inline:20px}
.fm-note-item h3{font-family:var(--fm-serif);font-size:17px;font-weight:600;line-height:1.34;padding-top:18px}
.fm-note-item h3 a:hover{color:var(--fm-brick)}
.fm-note-item p{font-size:13.5px;line-height:1.6;color:var(--fm-muted);padding-top:9px;padding-bottom:20px}
.fm-note-date{
  display:block;font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--fm-muted);padding-top:15px;
}
.fm-artlist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.fm-artlist>*{min-width:0}

/* FAQ：sticky 侧栏 + ruled 手风琴 */
.fm-faqsplit{display:grid;grid-template-columns:minmax(0,326px) minmax(0,1fr);gap:56px;align-items:start}
.fm-faqsplit>*{min-width:0}
.fm-faqbox{position:sticky;top:112px}
.fm-faqbox h2{font-size:var(--fm-head-sm);margin-top:12px}
.fm-faqbox .fm-note{margin-top:18px}
.fm-faqbox .fm-btn{margin-top:24px}
.fm-faq{border-top:1px solid var(--fm-ink)}
.fm-faq-item{border-bottom:1px solid var(--fm-line)}
.fm-faq-q{
  width:100%;display:flex;align-items:flex-start;gap:16px;
  padding:21px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-family:var(--fm-serif);font-size:17.5px;font-weight:600;line-height:1.4;color:var(--fm-ink);
  transition:color .16s;
}
.fm-faq-q:hover{color:var(--fm-brick)}
/* 序号：FAQ 列表页由脚本填入，首页为空时不占位 */
.fm-faq-q em{
  flex:0 0 auto;font-family:var(--fm-mono);font-size:11px;font-weight:500;font-style:normal;
  letter-spacing:.14em;color:var(--fm-line-2);padding-top:6px;
}
.fm-faq-q em:empty{display:none}
.fm-faq-q>span{flex:1 1 auto;min-width:0}
/* 模版里另加的加号图标与 ::after 重复，隐藏它，统一用 ::after 的 + / − */
.fm-faq-q>i{display:none}
.fm-faq-q::after{
  content:"+";flex:0 0 auto;font-family:var(--fm-mono);font-size:18px;line-height:1;
  color:var(--fm-brick);transition:transform .2s;
}
.fm-faq-item.open .fm-faq-q::after{content:"−"}
.fm-faq-a{display:none;padding:0 0 24px;font-size:14.5px;line-height:1.68;color:var(--fm-muted);max-width:78ch}
.fm-faq-item.open .fm-faq-a{display:block}
.fm-faq-a p+p{margin-top:12px}

/* CTA 带 */
.fm-ctaband{background:var(--fm-ink);color:var(--fm-paper);border-top:3px solid var(--fm-brick)}
.fm-ctaband-in{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:44px;align-items:center;padding:60px 0}
.fm-ctaband-in>*{min-width:0}
.fm-ctaband h2{font-family:var(--fm-serif);font-size:clamp(25px,3vw,36px);font-weight:600;letter-spacing:-.012em;color:var(--fm-paper)}
.fm-ctaband p{margin-top:14px;font-size:15.5px;color:rgba(248,245,238,.74);max-width:60ch}
.fm-ctaband-acts{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* 选择指南 / 三段题 */
.fm-steps3{
  display:flex;flex-wrap:wrap;
  border-top:1px solid var(--fm-line);border-left:1px solid var(--fm-line);
}
.fm-steps3>*{
  min-width:0;flex:1 1 300px;
  padding:26px 24px;background:var(--fm-surface);
  border-right:1px solid var(--fm-line);border-bottom:1px solid var(--fm-line);
}
.fm-steps3 h3{font-family:var(--fm-serif);font-size:18px;font-weight:600}
.fm-steps3 p{margin-top:9px;font-size:14px;line-height:1.62;color:var(--fm-muted)}

/* CTA 条 */
.fm-ctastrip{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
  background:var(--fm-paper-2);border:1px solid var(--fm-line);border-left:4px solid var(--fm-brick);
  padding:30px 34px;
}
.fm-ctastrip>*{min-width:0}
.fm-ctastrip h2,.fm-ctastrip h3{font-family:var(--fm-serif);font-size:22px;font-weight:600}
.fm-ctastrip p{margin-top:9px;font-size:14.5px;color:var(--fm-muted)}
.fm-ctastrip-acts{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* 统计 */
.fm-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--fm-line);border-left:1px solid var(--fm-line)}
.fm-stats>*{min-width:0}
.fm-stat{padding:26px 24px;border-right:1px solid var(--fm-line);border-bottom:1px solid var(--fm-line);background:var(--fm-surface)}
.fm-stat b{display:block;font-family:var(--fm-serif);font-size:34px;line-height:1;color:var(--fm-brick)}
.fm-stat span{display:block;margin-top:10px;font-size:13.5px;color:var(--fm-muted)}

/* 时间线 */
.fm-timeline{border-left:2px solid var(--fm-line);margin-left:6px;padding-left:26px}
.fm-timeline>*{position:relative;padding:0 0 26px}
.fm-timeline>*::before{content:"";position:absolute;left:-33px;top:7px;width:9px;height:9px;background:var(--fm-brick)}
.fm-timeline h3{font-family:var(--fm-serif);font-size:18px}
.fm-timeline p{margin-top:7px;font-size:14px;color:var(--fm-muted)}

/* --- 8. 内页头 / 列表页 --------------------------------------------------- */
.fm-phead{padding:22px 0 34px;border-bottom:1px solid var(--fm-line);background:var(--fm-paper)}
.fm-phead-paper{background:var(--fm-paper-2)}
.fm-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--fm-muted);
}
.fm-crumb a{color:var(--fm-muted)}
.fm-crumb a:hover{color:var(--fm-brick)}
.fm-crumb i,.fm-crumb em{font-style:normal;color:var(--fm-line-2)}
.fm-crumb span{white-space:nowrap}
.fm-phead-row{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:34px;align-items:end;padding-top:22px;
}
.fm-phead-row>*{min-width:0}
.fm-phead-row h1{
  font-family:var(--fm-serif);font-size:clamp(27px,3.4vw,42px);font-weight:600;
  letter-spacing:-.018em;line-height:1.14;margin-top:13px;
}
.fm-phead-row .fm-lead{margin-top:15px}
.fm-phead-acts{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;flex:0 0 auto}
/* 内页头下方的步骤条 / chips：与上方标题、按钮行拉开间距 */
.fm-phead-row+.fm-chips{margin-top:28px}
.fm-phead-fig{
  position:relative;margin:30px 0 0;aspect-ratio:21/9;overflow:hidden;
  border:1px solid var(--fm-line);background:var(--fm-paper-2);
}
.fm-phead-fig img{width:100%;height:100%;object-fit:cover;display:block}
.fm-phead-fig .fm-plate{position:absolute;inset:0;display:block;color:var(--fm-muted)}
.fm-phead-fig svg{width:100%;height:100%;display:block}

.fm-filterbar{background:var(--fm-surface);border-bottom:1px solid var(--fm-line)}
/* 过滤条：flex 自动换行 —— 列表页 chips 独占一行；详情页 sticky 标题 + 按钮同排 */
.fm-filterbar-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;padding:15px 0}
.fm-filterbar-in>*{min-width:0}
.fm-filterbar-in>.fm-chips{flex:1 1 100%}
.fm-filterbar-in>.fm-toolbar{flex:1 1 auto}
.fm-filterbar-in>.fm-count{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fm-grades.is-list{grid-template-columns:1fr;border-left:0;gap:14px}
.fm-grades.is-list .fm-grade{flex-direction:row}
.fm-grades.is-list .fm-grade-media{flex:0 0 232px;aspect-ratio:auto;border-bottom:0;border-right:1px solid var(--fm-line)}
.fm-grades.is-list .fm-grade-body{flex:1 1 auto}

/* --- 9. 分页（CMS 契约，必须齐全） --------------------------------------- */
.pagination{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:8px;margin:40px 0 0;padding:0;
}
.pagination a,.pagination span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 12px;
  border:1px solid var(--fm-line-2);background:var(--fm-surface);
  font-family:var(--fm-mono);font-size:12.5px;color:var(--fm-ink-3);
  transition:background .16s,color .16s,border-color .16s;
}
/* 分页项外层是 span、里面还有一层 a：只让 span 当边框盒，内部 a 去掉重复的边框与底色 */
.pagination span>a{min-width:0;height:auto;padding:0;border:0;background:transparent;color:inherit}
.pagination a:hover{border-color:var(--fm-ink);background:var(--fm-paper-2);color:var(--fm-ink)}
.pagination span:hover{border-color:var(--fm-ink);background:var(--fm-paper-2)}
.pagination span>a:hover{background:transparent;color:inherit}
.pagination i.iconfont{font-style:normal;line-height:1}
.pagination i.icon-arrow5::before{content:"\2039";font-size:18px}
.pagination i.icon-arrow6::before{content:"\203A";font-size:18px}
.pagination span.active{border-color:var(--fm-ink);background:var(--fm-ink)}
.pagination span.active a,.pagination span.active a:hover{background:transparent;border-color:transparent;color:var(--fm-paper)}
.pagination a:focus-visible{outline:2px solid var(--fm-focus);outline-offset:2px}
.pagination span.disabled,.pagination .disabled{border-color:var(--fm-line);color:var(--fm-muted-2);background:transparent}

/* --- 10. 详情 / 文章 / 单页 ----------------------------------------------- */
.fm-detail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,326px);gap:56px;align-items:start}
.fm-detail>*{min-width:0}
.fm-detail-head{padding-bottom:22px;border-bottom:1px solid var(--fm-line)}
.fm-detail-head h1{font-family:var(--fm-serif);font-size:clamp(26px,3.2vw,38px);font-weight:600;letter-spacing:-.016em;line-height:1.18}
.fm-detail-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:14px;
  font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--fm-muted);
}
.fm-detail-meta i{color:var(--fm-line-2);font-style:normal}
.fm-detail-media{position:relative;aspect-ratio:16/10;overflow:hidden;border:1px solid var(--fm-line);background:var(--fm-paper-2)}
.fm-detail-media img{width:100%;height:100%;object-fit:contain;display:block;background:var(--fm-surface)}
.fm-detail-body{padding-top:6px}
/* 图集外层不再用 16/10 + overflow:hidden，否则缩略图多于一行时会被裁掉、无法滚动 */
.fm-detail-media:has(.fm-gallery){aspect-ratio:auto;overflow:visible;border:0;background:transparent}
/* 主图决定高度；缩略图列绝对定位在右侧，图片多时自身滚动 */
.fm-gallery{position:relative;display:block;padding-right:122px}
.fm-gallery>*{min-width:0}
.fm-gallery-main{position:relative;aspect-ratio:1/1;overflow:hidden;border:1px solid var(--fm-line);background:var(--fm-surface)}
.fm-gallery-main img{width:100%;height:100%;object-fit:contain;display:block}
.fm-gallery-thumbs{
  position:absolute;top:0;right:0;bottom:0;width:108px;
  display:flex;flex-direction:column;gap:10px;overflow-y:auto;
  overscroll-behavior:contain;scrollbar-width:thin;
}
.fm-gallery-thumbs>*{flex:0 0 auto}
.fm-gallery-thumbs button,.fm-gallery-thumbs a{display:block;aspect-ratio:1/1;border:1px solid var(--fm-line);background:var(--fm-surface);padding:0;cursor:pointer;overflow:hidden}
.fm-gallery-thumbs img{width:100%;height:100%;object-fit:cover;display:block}
.fm-gallery-thumbs .on,.fm-gallery-thumbs button:hover{border-color:var(--fm-brick)}

.fm-sidebar{display:flex;flex-direction:column;gap:22px}
.fm-sidecard{border:1px solid var(--fm-line);background:var(--fm-surface);padding:24px}
.fm-sidecard>h3{font-family:var(--fm-serif);font-size:18px;font-weight:600;margin-bottom:18px}
.fm-sidecard>.fm-eyebrow{display:block;margin-bottom:14px}
.fm-sidecard ul{display:flex;flex-direction:column;gap:11px}
.fm-sidecard ul li{position:relative;padding-left:19px;font-size:14px;line-height:1.6;color:var(--fm-muted)}
.fm-sidecard ul li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;background:var(--fm-brick)}
.fm-sidecard .fm-btn{margin-top:20px}
.fm-sidelist{display:flex;flex-direction:column;gap:14px}
.fm-sidelist a{display:flex;gap:13px;align-items:flex-start;font-size:14px;color:var(--fm-muted)}
.fm-sidelist a:hover{color:var(--fm-brick)}
.fm-sidelist img{width:76px;height:58px;flex:0 0 auto;object-fit:cover;border:1px solid var(--fm-line)}
.fm-params{display:flex;flex-direction:column}
.fm-param-row{
  display:grid;grid-template-columns:minmax(0,130px) minmax(0,1fr);gap:14px;
  padding:11px 0;border-bottom:1px solid var(--fm-line);
}
.fm-param-row>*{min-width:0}
.fm-param-k{
  font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--fm-muted);
}
.fm-param-v{font-size:14.5px;word-break:break-word;color:var(--fm-ink-2)}
.fm-tabs{display:flex;flex-wrap:wrap;gap:0;border-bottom:1px solid var(--fm-line);margin-bottom:26px}
.fm-tab{
  padding:12px 20px;background:none;border:0;border-bottom:2px solid transparent;cursor:pointer;
  font-family:var(--fm-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--fm-muted);transition:color .16s,border-color .16s;
}
.fm-tab:hover{color:var(--fm-ink)}
.fm-tab.on{color:var(--fm-brick);border-bottom-color:var(--fm-brick)}

.fm-single{display:grid;gap:44px}
.fm-single-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:center}
.fm-single-hero>*{min-width:0}
.fm-single-body>*+*{margin-top:30px}
.fm-article{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,300px);gap:52px;align-items:start}
.fm-article>*{min-width:0}
.fm-legal{display:grid;gap:26px;max-width:900px}
.fm-legal>*{min-width:0}
.fm-legal h2{font-family:var(--fm-serif);font-size:var(--fm-head-sm);margin-top:14px}
.fm-legal p,.fm-legal li{font-size:15px;line-height:1.72;color:var(--fm-ink-3)}

.fm-tagwall{display:flex;flex-wrap:wrap;gap:8px}
.fm-tagchip{
  display:inline-block;font-family:var(--fm-mono);font-size:11px;letter-spacing:.06em;
  border:1px solid var(--fm-line-2);padding:6px 12px;color:var(--fm-ink-3);transition:background .16s,color .16s,border-color .16s;
}
.fm-tagchip:hover{background:var(--fm-ink);border-color:var(--fm-ink);color:var(--fm-paper)}
.fm-tagmeta{display:flex;flex-wrap:wrap;gap:10px 18px;font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--fm-muted)}
.fm-share{display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.fm-share a{
  width:38px;height:38px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--fm-line-2);color:var(--fm-ink-3);transition:background .16s,color .16s,border-color .16s;
}
.fm-share a:hover{background:var(--fm-brick);border-color:var(--fm-brick);color:#fff}
.fm-facets{display:flex;flex-direction:column;gap:22px}
.fm-facet h4{font-family:var(--fm-mono);font-size:10.5px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--fm-muted);margin-bottom:11px}

/* --- 11. 富文本 + 表格三件套（CMS 契约，必须齐全） ------------------------ */
.detail-content{min-width:0;font-size:15.5px;line-height:1.75;color:var(--fm-ink-3)}
.detail-content>*+*{margin-top:18px}
.detail-content h1,.detail-content h2,.detail-content h3,.detail-content h4{
  font-family:var(--fm-serif);color:var(--fm-ink);line-height:1.28;margin-top:30px;
}
.detail-content h2{font-size:24px}
.detail-content h3{font-size:20px}
.detail-content h4{font-size:17px}
.detail-content p{margin:0}
.detail-content ul,.detail-content ol{padding-left:22px;list-style:revert}
.detail-content li{margin-top:8px}
.detail-content a{color:var(--fm-brick);text-decoration:underline;text-underline-offset:2px}
.detail-content strong{color:var(--fm-ink)}
.detail-content blockquote{
  margin:0;padding:16px 22px;border-left:3px solid var(--fm-brick);
  background:var(--fm-paper-2);color:var(--fm-ink-2);
}
.detail-content img{max-width:100%;height:auto;border:1px solid var(--fm-line)}
.detail-content hr{border-top:1px solid var(--fm-line);margin:30px 0}

.detail-content table{width:100%;max-width:100%;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;border-collapse:collapse;font-size:14.5px}
.detail-content table thead th{
  background:var(--fm-paper-2);color:var(--fm-ink);font-family:var(--fm-mono);
  font-size:11px;letter-spacing:.07em;text-transform:uppercase;text-align:left;
}
.detail-content table th,.detail-content table td{
  padding:11px 14px;border:1px solid var(--fm-line);vertical-align:top;white-space:nowrap;
}
.detail-content table td{color:var(--fm-ink-3)}

/* 表格滚动包装（footer 脚本生成） */
.fm-tablewrap{position:relative;min-width:0;margin:26px 0}
.fm-tablewrap::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:42px;pointer-events:none;
  background:linear-gradient(to left,rgba(21,19,15,.13),transparent);
  opacity:0;transition:opacity .2s;
}
.fm-tablewrap.is-scrollable:not(.at-end)::after{opacity:1}
.fm-tablewrap-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
.fm-tablewrap-scroll:focus-visible{outline:2px solid var(--fm-focus);outline-offset:-2px}
.fm-tablewrap .detail-content table,.fm-tablewrap table{margin:0}
.fm-tablehint{
  display:none;align-items:center;gap:8px;margin:9px 0 0;
  font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--fm-muted);
}
.fm-tablewrap.is-scrollable .fm-tablehint{display:flex}
.fm-tablewrap.at-end .fm-tablehint{opacity:.45}
.fm-tablehint i{color:var(--fm-brick)}
.fm-table-stack{display:block}

/* --- 12. 联系 / 询价 / 搜索 ----------------------------------------------- */
.fm-contact{display:grid;gap:40px}
.fm-contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--fm-line);border-left:1px solid var(--fm-line)}
.fm-contact-grid>*{min-width:0}
.fm-contact-card{
  padding:26px 24px;background:var(--fm-surface);
  border-right:1px solid var(--fm-line);border-bottom:1px solid var(--fm-line);
}
.fm-contact-card h3{font-family:var(--fm-serif);font-size:18px;font-weight:600}
.fm-contact-card i{color:var(--fm-brick);font-size:16px;margin-bottom:13px;display:block}
.fm-contact-card p,.fm-contact-card a{display:block;margin-top:9px;font-size:14.5px;color:var(--fm-muted)}
.fm-contact-card a:hover{color:var(--fm-brick)}
.fm-map{aspect-ratio:16/9;border:1px solid var(--fm-line);background:var(--fm-paper-2);overflow:hidden}
.fm-map iframe,.fm-map img{width:100%;height:100%;border:0;display:block;object-fit:cover}

.fm-quote{display:flex;flex-direction:column;border-top:1px solid var(--fm-line)}
.fm-quote-row{
  display:grid;grid-template-columns:150px minmax(0,1fr) auto;gap:22px;align-items:start;
  padding:20px 0;border-bottom:1px solid var(--fm-line);
}
.fm-quote-row>*{min-width:0}
.fm-quote-media .fm-media{aspect-ratio:4/3}
.fm-quote-media img{width:100%;height:100%;object-fit:contain;background:var(--fm-surface)}
.fm-quote-body{display:flex;flex-direction:column;gap:8px}
.fm-quote-body h3{font-family:var(--fm-serif);font-size:17.5px;font-weight:600;line-height:1.35;padding-right:12px}
.fm-quote-body small{font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--fm-muted)}
.fm-quote-acts{display:flex;flex-wrap:nowrap;align-items:center;gap:10px}
.fm-quote-acts>label{font-family:var(--fm-mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--fm-muted);white-space:nowrap}
.fm-quote-acts>div{display:inline-flex;align-items:center;border:1px solid var(--fm-line-2);background:var(--fm-surface)}
.fm-quote-acts>div input{
  width:54px;border:0;border-left:1px solid var(--fm-line);border-right:1px solid var(--fm-line);
  background:transparent;text-align:center;padding:9px 4px;font-family:var(--fm-mono);font-size:13px;
}
.fm-quote-acts>div input:focus{outline:0;background:var(--fm-paper-2)}
.fm-quote-acts>.fm-iconbtn{width:36px;height:36px}
/* 询价页「Make the quotation precise」：在左侧栏里只有约 590px，
   原来的两等分（各 273px）会把说明文字挤成两三词一行，改为上下堆叠 */
.fm-quote-summary{display:grid;grid-template-columns:minmax(0,1fr);gap:22px;align-items:start}
.fm-quote-summary>*{min-width:0}
.fm-quote-summary h3{font-family:var(--fm-serif);font-size:var(--fm-head-sm);margin-bottom:16px}
.fm-quote-empty{
  display:flex;flex-direction:column;align-items:flex-start;gap:16px;
  border:1px solid var(--fm-line);border-left:4px solid var(--fm-brick);background:var(--fm-surface);
  padding:36px 34px;
}
.fm-quote-empty h3{font-family:var(--fm-serif);font-size:20px}
.fm-quote-empty p{font-size:14.5px;color:var(--fm-muted);max-width:56ch}

.fm-searchlist{display:flex;flex-direction:column;border-top:1px solid var(--fm-line)}
.fm-searchitem{
  display:grid;grid-template-columns:216px minmax(0,1fr);gap:26px;
  padding:22px 0;border-bottom:1px solid var(--fm-line);
}
.fm-searchitem>*{min-width:0}
.fm-searchitem .fm-media{aspect-ratio:16/10}
.fm-searchitem h2,.fm-searchitem h3{font-family:var(--fm-serif);font-size:19px;font-weight:600;line-height:1.34}
.fm-searchitem h2 a:hover,h3 a:hover{color:var(--fm-brick)}
.fm-searchitem p{margin-top:10px;font-size:14px;line-height:1.64;color:var(--fm-muted)}
.fm-searchitem .fm-grade-acts{margin-top:14px}
.fm-searchlist-empty{padding:40px 0}

/* --- 13. 空态 / 通用行 ---------------------------------------------------- */
.fm-empty{
  display:flex;flex-direction:column;align-items:flex-start;gap:14px;
  border:1px solid var(--fm-line);border-left:4px solid var(--fm-brick);
  background:var(--fm-surface);padding:34px 32px;
}
.fm-empty i{color:var(--fm-brick);font-size:22px}
.fm-empty h3{font-family:var(--fm-serif);font-size:19px}
.fm-empty p{font-size:14.5px;color:var(--fm-muted);max-width:60ch}
.fm-row{display:grid;grid-template-columns:150px minmax(0,1fr) auto;gap:20px;align-items:start;padding:18px 0;border-bottom:1px solid var(--fm-line)}
.fm-row>*{min-width:0}
.fm-row-media{aspect-ratio:4/3;overflow:hidden;border:1px solid var(--fm-line)}
.fm-row-media img{width:100%;height:100%;object-fit:cover;display:block}
.fm-row-noimg{grid-template-columns:minmax(0,1fr) auto}
[data-empty-guard]:empty{min-height:1px}

/* --- 14. 响应式 ----------------------------------------------------------- */
@media (max-width:1120px){
  .fm-wrap{width:min(100% - 40px,var(--fm-wrap))}
  .fm-hero-in{grid-template-columns:repeat(2,minmax(0,1fr));gap:44px;padding:58px 0 62px}
  .fm-families{grid-template-columns:repeat(3,minmax(0,1fr))}
  .fm-docs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fm-foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
  .fm-detail{grid-template-columns:minmax(0,1fr);gap:40px}
  .fm-article{grid-template-columns:minmax(0,1fr);gap:40px}
  .fm-sidebar{flex-direction:row;flex-wrap:wrap}
  .fm-sidebar>*{flex:1 1 300px;min-width:0}
  .fm-faqsplit{grid-template-columns:minmax(0,1fr);gap:34px}
  .fm-faqbox{position:static}
  .fm-single-hero{grid-template-columns:minmax(0,1fr);gap:34px}
  .fm-gallery{padding-right:0}
  .fm-gallery-main{max-height:560px}
  .fm-gallery-thumbs{
    position:static;width:auto;height:auto;margin-top:12px;
    flex-direction:row;overflow-x:auto;overflow-y:visible;
  }
  .fm-gallery-thumbs>*{flex:0 0 92px}
  .fm-contact-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  /* 侧栏卡片在窄栏内：多列台账行降为「编号 + 内容」两列，避免固定首列撑破 */
  .fm-sidecard .fm-assure-row,.fm-sidecard .fm-proc-row{grid-template-columns:44px minmax(0,1fr);gap:14px 18px}
  .fm-sidecard .fm-assure-out,.fm-sidecard .fm-proc-out{grid-column:2/3;border-left:0;border-top:1px solid var(--fm-line);padding-left:0;padding-top:12px}
}

@media (max-width:1024px){
  /* 流程行：配图改到文字下方，宽度限制，避免挤扁文字 */
  .fm-proc-body:has(> .fm-media){grid-template-columns:minmax(0,1fr);gap:0}
  .fm-proc-body .fm-media{grid-column:1;grid-row:auto;width:min(100%,380px);margin-top:14px;aspect-ratio:4/3}
  .fm-nav{display:none}
  .fm-burger{display:inline-flex}
  .fm-masthead-cta{display:none}
  .fm-contents{display:none}
  .fm-sec{padding:60px 0}
  .fm-split{grid-template-columns:minmax(0,1fr);gap:38px}
  .fm-phead-row{grid-template-columns:minmax(0,1fr);gap:22px;align-items:start}
  .fm-phead-acts{justify-content:flex-start}
  .fm-families{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .fm-family-ic{aspect-ratio:16/9}
  .fm-grades{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fm-apps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fm-steps3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fm-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fm-contact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fm-artlist{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fm-detail-media{aspect-ratio:16/9}
  .fm-quote-summary{grid-template-columns:minmax(0,1fr);gap:34px}
}

@media (max-width:900px){
  .fm-wrap{width:auto;margin-inline:20px}
  .fm-specline-note{display:none}
  .fm-specline-in{justify-content:flex-end;gap:16px}
  .fm-masthead-in{gap:12px;padding:13px 0}
  .fm-brand img{max-height:34px}
  .fm-masthead-cta{display:none}
  .fm-sec{padding:52px 0}
  .fm-sec-tight{padding:38px 0}
  .fm-sechead{margin-bottom:26px}
  .fm-sechead-row{flex-direction:column;align-items:flex-start;gap:16px}
  .fm-lead{font-size:16.5px}
  .fm-hero-in{grid-template-columns:minmax(0,1fr);gap:34px;padding:44px 0 50px}
  .fm-hero-title{font-size:clamp(28px,7vw,38px)}
  .fm-hero-lead{font-size:16.5px}
  .fm-hero-acts{gap:10px}
  .fm-hero-acts .fm-btn{flex:1 1 auto}
  .fm-families,.fm-grades,.fm-apps,.fm-docs,.fm-notes,.fm-steps3,.fm-stats,.fm-contact-grid,.fm-docs,.fm-artlist{grid-template-columns:minmax(0,1fr)}
  .fm-families,.fm-grades,.fm-apps,.fm-docs,.fm-steps3,.fm-stats,.fm-contact-grid{border-left:0}
  .fm-app,.fm-doc,.fm-steps3>*,.fm-stat,.fm-contact-card{border-left:0}
  .fm-grades{gap:16px}
  .fm-families{gap:16px}
  .fm-family{padding:18px}
  .fm-family-ic{aspect-ratio:16/10}
  .fm-grades.is-list .fm-grade{flex-direction:column}
  .fm-grades.is-list .fm-grade-media{flex:0 0 auto;aspect-ratio:1/1;border-right:0;border-bottom:1px solid var(--fm-line)}
  .fm-assure-row{grid-template-columns:44px minmax(0,1fr);gap:16px 20px;padding:22px 0}
  .fm-assure-out{grid-column:2/3;border-left:0;border-top:1px solid var(--fm-line);padding-left:0;padding-top:14px}
  .fm-ledger-row{grid-template-columns:minmax(0,1fr);gap:5px;padding:15px 0}
  .fm-ledger-k{min-width:0}
  .fm-proc-row{grid-template-columns:40px minmax(0,1fr);gap:14px 18px;padding:19px 0}
  .fm-proc-out{grid-column:2/3;border-left:0;padding-left:0;border-top:1px dashed var(--fm-line);padding-top:12px}
  .fm-ctastrip{grid-template-columns:minmax(0,1fr);gap:22px;padding:26px 24px}
  .fm-ctastrip-acts .fm-btn{flex:1 1 auto}
  .fm-ctaband-in,.fm-foot-enquiry-in{grid-template-columns:minmax(0,1fr);gap:26px;padding:40px 0}
  .fm-ctaband-acts .fm-btn,.fm-foot-enquiry-acts .fm-btn{flex:1 1 auto}
  .fm-foot-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding:40px 0 32px}
  .fm-foot-bar{flex-direction:column;align-items:flex-start;gap:16px}
  .fm-searchitem{grid-template-columns:minmax(0,1fr);gap:16px}
  .fm-searchitem .fm-media{max-width:280px}
  .fm-spec-row{grid-template-columns:minmax(0,1fr);gap:4px;padding:11px 20px}
  .fm-spec-row dt{padding-top:0}
  .fm-param-row{grid-template-columns:minmax(0,1fr);gap:4px;padding:10px 0}
  .fm-modal{padding:0}
  .fm-modal-box{width:100%;min-height:100%;border:0}
  .fm-modal-head{padding:26px 22px 18px}
  .fm-modal-main{padding:22px}
  .fm-modal-foot{padding:16px 22px 22px}
  .fm-introblock{padding:20px 22px}
  .fm-empty,.fm-quote-empty{padding:26px 22px}
  .fm-toast{bottom:88px}
  .fm-cookie{flex-wrap:wrap;gap:12px;padding:14px 20px calc(14px + env(safe-area-inset-bottom))}
  .fm-cookie-acts{width:100%}
  .fm-cookie-acts .fm-btn{flex:1 1 auto}
  /* 移动底栏：给 body 留白，浮标上移 */
  .fm-mobilebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .fm-mobilebar .fm-btn{padding:13px 10px}
  body{padding-bottom:calc(74px + env(safe-area-inset-bottom))}
  .fm-top{bottom:92px;right:14px;width:46px;height:46px;font-size:19px}
  .fm-wa{bottom:152px;right:14px;width:46px;height:46px;font-size:20px}
}

@media (max-width:600px){
  .fm-wrap{width:auto;margin-inline:16px}
  .fm-specline-in{padding:8px 0}
  .fm-specline-links{gap:14px}
  .fm-specline-links>a span,.fm-specline-quote span{display:none}
  .fm-lang-name{display:none}
  .fm-brand-txt small{display:none}
  .fm-tools{gap:8px}
  .fm-tool,.fm-burger{width:38px;height:38px}
  .fm-sec{padding:44px 0}
  .fm-sec-tight{padding:32px 0}
  .fm-hero-in{padding:34px 0 40px}
  .fm-hero-acts{flex-direction:column;align-items:stretch}
  .fm-hero-acts .fm-btn{width:100%}
  .fm-spec-card-head{padding:18px 20px;gap:14px}
  .fm-molecule{width:52px;height:42px}
  .fm-phead{padding:16px 0 26px}
  .fm-phead-fig{aspect-ratio:16/9;margin-top:22px}
  .fm-phead-acts{width:100%}
  .fm-phead-acts .fm-btn{flex:1 1 auto}
  .fm-filterbar-in{padding:12px 0}
  /* sticky material bar：标题整行折行显示，动作按钮独占下一行并等分 */
  .fm-filterbar-in>.fm-count{flex:1 1 100%;white-space:normal;overflow:visible;text-overflow:clip}
  .fm-filterbar-in>.fm-toolbar{flex:1 1 100%;justify-content:flex-start}
  .fm-filterbar-in>.fm-toolbar .fm-btn{flex:1 1 auto}
  .fm-chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;-ms-overflow-style:none}
  .fm-chips::-webkit-scrollbar{display:none}
  .fm-subchips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
  .fm-toolbar{flex-direction:column;align-items:flex-start;gap:10px}
  /* 过滤条搜索框在手机上仍与放大镜同行，计数靠右，避免图标单独占一行 */
  .fm-filterbar .fm-toolbar{flex-direction:row;flex-wrap:wrap;align-items:center;row-gap:8px}
  .fm-filterbar .fm-toolbar>input[type=search]{flex:1 1 160px;width:auto;max-width:none;min-width:0}
  .fm-filterbar .fm-toolbar>i+input[type=search]{margin-right:0}
  .fm-filterbar .fm-toolbar>.fm-count{margin-left:auto}
  .fm-faq-q{font-size:16px;padding:17px 0;gap:16px}
  .fm-faq-a{font-size:14px}
  .fm-doclist-row,.fm-caprow,.fm-row{grid-template-columns:minmax(0,1fr);gap:8px}
  .fm-caprow span{text-align:left}
  .fm-ledger-foot,.fm-quote-summary{gap:20px}
  .fm-ledger-foot .fm-btn{width:100%}
  .fm-form-2{grid-template-columns:minmax(0,1fr);gap:14px}
  .fm-form{gap:14px}
  .fm-modal-close{top:9px;right:9px}
  .fm-foot-enquiry-acts{flex-direction:column;align-items:stretch}
  .fm-foot-enquiry-acts .fm-btn{width:100%}
  .fm-foot-legal{flex-direction:column;align-items:flex-start;gap:8px}
  .fm-social{gap:7px}
  .fm-subform{max-width:100%}
  .fm-ctaband-acts{flex-direction:column;align-items:stretch}
  .fm-ctaband-acts .fm-btn{width:100%}
  .fm-ctastrip-acts{flex-direction:column;align-items:stretch}
  .fm-ctastrip-acts .fm-btn{width:100%}
  .fm-steps3>*,.fm-app,.fm-doc,.fm-family,.fm-stat,.fm-contact-card{padding:22px 20px}
  .fm-spec-row{padding:11px 18px}
  .fm-timeline{padding-left:20px}
  .fm-timeline>*::before{left:-27px}
  .pagination{gap:6px;margin-top:30px}
  .pagination a,.pagination span{min-width:36px;height:36px;padding:0 9px;font-size:12px}
  /* 询价行：图片+标题一行，数量与删除同排（不许各占一行） */
  .fm-quote-row{grid-template-columns:70px minmax(0,1fr) auto;gap:14px 12px;padding:16px 0;align-items:start}
  .fm-quote-media{grid-column:1/2;grid-row:1/2}
  .fm-quote-body{grid-column:2/4;grid-row:1/2}
  .fm-quote-acts{grid-column:2/4;grid-row:2/3;justify-content:flex-start;gap:8px}
  .fm-quote-acts>label{display:none}
  .fm-quote-acts>.fm-iconbtn{justify-self:end;margin-left:auto}
  /* 带表头表格 → 卡片堆叠 */
  .detail-content table.fm-table-stack{display:block;white-space:normal;border:0;overflow:visible}
  .detail-content table.fm-table-stack thead{display:none}
  .detail-content table.fm-table-stack tbody{display:block}
  .detail-content table.fm-table-stack tr{
    display:block;border:1px solid var(--fm-line);border-left:3px solid var(--fm-brick);
    background:var(--fm-surface);margin-bottom:12px;padding:4px 0;
  }
  .detail-content table.fm-table-stack td{
    display:block;white-space:normal;border:0;padding:8px 16px;font-size:14px;
  }
  .detail-content table.fm-table-stack td+td{border-top:1px dashed var(--fm-line)}
  .detail-content table.fm-table-stack td::before{
    content:attr(data-label);display:block;margin-bottom:3px;
    font-family:var(--fm-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--fm-muted);
  }
  .detail-content table.fm-table-stack td.fm-td-first{
    font-family:var(--fm-serif);font-size:16.5px;font-weight:600;color:var(--fm-ink);
    background:var(--fm-paper-2);padding:11px 16px;
  }
  .detail-content table.fm-table-stack td.fm-td-first::before{content:none}
  .fm-tablehint{font-size:10px}
}

@media (max-width:420px){
  .fm-wrap{width:auto;margin-inline:14px}
  .fm-hero-title{font-size:26px}
  .fm-app-n{font-size:19px}
  .fm-pagination a,.pagination span{min-width:34px;height:34px;padding:0 8px}
  .fm-brand-txt strong{font-size:17px}
}

/* 打印与无障碍 */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}
@media print{
  .fm-header,.fm-foot,.fm-wa,.fm-top,.fm-mobilebar,.fm-cookie,.fm-panel,.fm-mask,.fm-searchover{display:none!important}
  body{background:#fff}
  .fm-tablewrap-scroll{overflow:visible}
  .detail-content table{display:table;overflow:visible;white-space:normal}
}