/* ============================================================
   IFANNova · Shared Design System (site.css)
   French poster art-direction — used by every page.
   Brand: navy #18316b / red #c42a38 · serif Playfair + sans Inter
   ============================================================ */
:root{
  --navy:#18316b; --navy-deep:#101f47; --navy-ink:#0b1531;
  --red:#c42a38; --red-deep:#9e1f2c;
  --paper:#faf8f4; --cream:#f2eee6; --steel:#9fb0cf;
  --ink:#1a2236; --muted:#5d6579; --line:#e5e0d5; --gold:#c8a45c;
  --serif:'Playfair Display',Georgia,serif;
  --wordmark:'Tinos','Times New Roman',Times,serif;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
  --shadow:0 30px 70px -30px rgba(16,31,71,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--red);color:#fff}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 30px}
.section{position:relative;padding:120px 0}
.bg-paper{background:var(--paper)} .bg-cream{background:var(--cream)}
.bg-navy{background:var(--navy);color:#fff} .bg-navy-deep{background:var(--navy-deep);color:#fff}
.tri{display:inline-block;height:26px;width:38px;border:1px solid rgba(0,0,0,.06);background:linear-gradient(90deg,var(--navy) 0 33.3%,#fff 33.3% 66.6%,var(--red) 66.6% 100%)}
.tri-sm{height:12px;width:18px}
.tri-line{height:3px;width:100%;background:linear-gradient(90deg,var(--navy) 0 33.3%,#fff 33.3% 66.6%,var(--red) 66.6% 100%)}

/* ---------- Preloader ---------- */
/* 全屏遮罩,靠 JS 加 .done 才移开 —— JS 一旦失败整站白屏。
   只在确认 JS 在跑时才让它出现。 */
html:not(.js-rv) .loader{display:none}
.loader{position:fixed;inset:0;background:var(--paper);z-index:300;display:flex;align-items:center;justify-content:center;transition:transform .9s cubic-bezier(.76,0,.24,1) .2s}
.loader.done{transform:translateY(-100%);pointer-events:none;visibility:hidden;transition:transform .9s cubic-bezier(.76,0,.24,1) .2s,visibility 0s .9s}
.loader .box{text-align:center}
.loader .nv{font-family:var(--wordmark);font-style:italic;font-weight:700;font-size:clamp(4rem,14vw,9rem);color:var(--red);line-height:1;opacity:0;transform:translateY(40px) scale(.96);animation:nvup 1s .15s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes nvup{to{opacity:1;transform:none}}
.loader .sub{font-size:.62rem;letter-spacing:.5em;text-transform:uppercase;color:var(--navy);font-weight:700;margin-top:14px;opacity:0;animation:nvup .8s .7s forwards}

/* ---------- Progress ---------- */
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:130;background:linear-gradient(90deg,var(--navy),var(--red))}

/* ---------- Header ---------- */
.hd{position:fixed;top:0;left:0;right:0;z-index:110;padding:20px 0;transition:.4s}
.hd.scrolled{background:rgba(250,248,244,.92);backdrop-filter:blur(16px);padding:12px 0;box-shadow:0 1px 0 var(--line)}
.hd .row{display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;text-decoration:none}
.brand-logo{height:38px;width:auto;display:block;transition:height .3s}
.hd.scrolled .brand-logo{height:31px}
.hd:not(.scrolled) .brand-logo{filter:brightness(0) invert(1)}
.ft .brand-logo{height:42px;width:auto;filter:brightness(0) invert(1)}
.brand{display:flex;align-items:baseline;font-weight:800;font-size:1.45rem;letter-spacing:-.01em}
.brand .ifan{color:var(--navy)} .brand .nova{color:var(--red);font-family:var(--serif);font-style:italic;font-weight:800;font-size:1.55rem;margin-left:2px}
.brand small{display:block;font-size:.5rem;letter-spacing:.34em;color:#9fb0d9;font-weight:700;margin-top:2px;text-transform:uppercase}
/* dark hero underneath → white header text until scrolled */
.hd.on-dark:not(.scrolled) .brand .ifan{color:#fff}
.hd.on-dark:not(.scrolled) nav>a,.hd.on-dark:not(.scrolled) .drop>span{color:#fff}
.hd.on-dark:not(.scrolled) .burger{color:#fff}
.hd.scrolled .brand small{color:var(--muted)}
.hd nav{display:flex;gap:30px;margin-left:auto;align-items:center}
.hd nav>a,.drop>span{font-size:.8rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;position:relative;padding:4px 0;cursor:pointer;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.hd nav>a::after,.drop>span::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:.35s}
.hd nav>a:hover::after,.drop:hover>span::after{width:100%}
.drop{position:relative}
.drop .menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);min-width:230px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:10px;opacity:0;visibility:hidden;transition:.28s;z-index:20}
.drop:hover .menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(8px)}
.drop .menu a{display:block;padding:10px 14px;font-size:.82rem;font-weight:600;letter-spacing:.02em;text-transform:none;color:var(--ink);border-radius:2px;transition:.2s}
.drop .menu a:hover{background:var(--cream);color:var(--red);padding-left:18px}
.drop .menu .sep{height:1px;background:var(--line);margin:8px 6px}
.burger{display:none;background:none;border:none;font-size:1.35rem;color:var(--navy);cursor:pointer;margin-left:auto}
/* ---------- French mega menu ---------- */
.hd nav>a,.mlink,.mdrop>.mhead{font-size:.8rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);display:inline-flex;align-items:center;gap:6px;cursor:pointer;position:relative;padding:6px 0}
.mlink::after,.mdrop>.mhead::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:.35s}
.mlink:hover::after,.mdrop:hover>.mhead::after{width:100%}
.hd.on-dark:not(.scrolled) .mlink,.hd.on-dark:not(.scrolled) .mdrop>.mhead{color:#fff}
.mdrop{position:static;display:flex;align-items:center}
a.mhead{text-decoration:none}
/* 语言切换器: 只在该页确有译文时由 nav.js 注入 */
.langsw{border:1px solid var(--line);padding:6px 12px!important;letter-spacing:.06em}
.langsw:hover{background:var(--navy);color:#fff!important;border-color:var(--navy)}
.langsw::after{display:none}
.hd.on-dark:not(.scrolled) .langsw{border-color:rgba(255,255,255,.4)}

.mega{position:absolute;left:0;right:0;top:100%;background:var(--paper);box-shadow:0 34px 64px -26px rgba(16,31,71,.34);opacity:0;visibility:hidden;transform:translateY(6px);transition:.26s ease;z-index:105}
.mega::before{content:"";position:absolute;left:0;right:0;top:-24px;height:24px}
.mega::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--navy) 0 33.3%,#fff 33.3% 66.6%,var(--red) 66.6%)}
.mdrop:hover .mega{opacity:1;visibility:visible;transform:none}
.mega-in{max-width:1240px;margin:0 auto;padding:38px 30px 42px;display:flex;gap:46px;align-items:stretch}
.mcols{flex:1;min-width:0;display:flex;gap:34px}
.mcol{flex:1;min-width:0}
.mcol-main{flex:1.65}
.mcol-sub{flex:1;border-left:1px solid var(--line);padding-left:30px}
.mcol-sub .lnks{grid-template-columns:1fr}
.mcol h4{font-family:var(--serif);font-weight:700;font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--navy);padding-bottom:12px;margin-bottom:10px;border-bottom:1px solid var(--line)}
.mcol .lnks{display:grid;grid-template-columns:repeat(auto-fill,minmax(216px,1fr));gap:2px 8px}
.mega .mcol a{display:flex;align-items:center;gap:12px;padding:9px 10px;border-radius:10px;text-transform:none;letter-spacing:0;transition:.16s}
.mega .mcol a:hover{background:var(--cream)}
.mega .mcol a .mi{flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:rgba(24,49,107,.06);color:var(--navy);display:grid;place-items:center;font-size:.9rem;transition:.16s}
.mega .mcol a:hover .mi{background:var(--red);color:#fff;transform:translateY(-1px)}
.mega .mcol a .mt{display:flex;flex-direction:column;min-width:0}
.mega .mcol a .mt b{font-weight:600;font-size:.92rem;color:var(--ink);line-height:1.22;transition:.16s}
.mega .mcol a:hover .mt b{color:var(--red)}
.mega .mcol a .md{font-size:.735rem;font-weight:400;color:var(--muted);margin-top:1px;letter-spacing:0}
.mfeat{width:270px;flex-shrink:0;position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:26px;display:flex;flex-direction:column;justify-content:flex-end;min-height:220px;text-decoration:none}
.mfeat .fbg{position:absolute;inset:0}
.mfeat .fbg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.mfeat::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,31,71,.25),rgba(16,31,71,.9))}
.mfeat .ft-in{position:relative;z-index:2}
.mfeat .fk{font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:#ffd0d5;font-weight:700}
.mfeat h5{font-family:var(--serif);font-weight:700;font-size:1.25rem;line-height:1.15;margin:8px 0 0}
.mfeat .go{display:inline-flex;gap:8px;align-items:center;margin-top:12px;font-size:.8rem;font-weight:700;letter-spacing:.04em}
.mfeat:hover .go{color:#ffd0d5}
.mfeat:hover .fbg img{opacity:.62}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:.84rem;letter-spacing:.05em;padding:15px 30px;border:1.5px solid transparent;cursor:pointer;transition:.35s;background:none;font-family:var(--sans)}
.btn i{transition:.35s} .btn:hover i{transform:translateX(5px)}
.btn-red{background:var(--red);color:#fff} .btn-red:hover{background:var(--red-deep)}
.btn-navy{background:var(--navy);color:#fff} .btn-navy:hover{background:var(--navy-deep)}
.btn-navy-o{border-color:var(--navy);color:var(--navy)} .btn-navy-o:hover{background:var(--navy);color:#fff}
.btn-white-o{border-color:rgba(255,255,255,.5);color:#fff} .btn-white-o:hover{background:#fff;color:var(--navy);border-color:#fff}

/* ---------- Marquee ---------- */
.marquee{background:var(--navy);color:#fff;overflow:hidden;padding:15px 0;position:relative;z-index:6}
.marquee.red{background:var(--red)}
.marquee .track{display:flex;white-space:nowrap;animation:mq 28s linear infinite;width:max-content}
.marquee span{font-family:var(--serif);font-style:italic;font-weight:600;font-size:1rem;letter-spacing:.12em;padding:0 30px;display:inline-flex;align-items:center;gap:30px}
.marquee span::after{content:"\2726";font-style:normal;font-size:.65rem;color:var(--gold)}
@keyframes mq{to{transform:translateX(-50%)}}

/* ---------- Section furniture ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:14px;font-size:.66rem;letter-spacing:.44em;text-transform:uppercase;font-weight:800;color:var(--red)}
.eyebrow::before{content:"";width:44px;height:2px;background:var(--red)}
.eyebrow.on-dark{color:#f3d9a5} .eyebrow.center{justify-content:center} .eyebrow.center::before{display:none}
h1,h2,h3,h4{font-family:var(--serif)}
h2.big{font-family:var(--serif);font-weight:800;font-size:clamp(2rem,3.8vw,3.2rem);line-height:1.12;color:var(--navy);margin:20px 0 16px}
h2.big.on-dark{color:#fff} h2.big em{font-style:italic;color:var(--red)} h2.big.on-dark em{color:#f3d9a5}
.lead{color:var(--muted);font-size:1.02rem;max-width:640px} .lead.on-dark{color:#c4cfec}
.sec-head{max-width:820px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Reveal ---------- */
/* 渐进增强:.rv 默认可见。此前默认是 opacity:0,全靠 JS 加 .in 才显示 ——
   site.js 一旦加载失败/报错,整页正文(每页 30-46 个元素)就全部不可见。
   现在由 JS 自己挂 html.js-rv 后才启用隐藏+动画。 */
.rv{opacity:1;transform:none}
html.js-rv .rv{opacity:0;transform:translateY(36px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
html.js-rv .rv.in{opacity:1;transform:none}

/* ---------- Breadcrumb ---------- */
.crumb{display:flex;gap:10px;align-items:center;font-size:.74rem;letter-spacing:.06em;color:#a9b8de;font-weight:600}
.crumb a:hover{color:#fff} .crumb .sep{opacity:.5}

/* ---------- Interior page hero ---------- */
.page-hero{position:relative;color:#fff;overflow:hidden;padding:190px 0 90px;
  background:radial-gradient(1100px 600px at 84% -10%,#22407f 0,transparent 55%),linear-gradient(160deg,#1d3a75 0%,var(--navy) 48%,var(--navy-deep) 100%)}
.page-hero.with-photo .ph{position:absolute;inset:0;z-index:0}
.page-hero.with-photo .ph img{width:100%;height:100%;object-fit:cover;opacity:.28}
.page-hero.with-photo .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(16,31,71,.86) 40%,rgba(16,31,71,.6))}
.page-hero .inner{position:relative;z-index:2;max-width:920px}
.page-hero h1{font-family:var(--serif);font-weight:800;font-size:clamp(2.1rem,4.4vw,3.5rem);line-height:1.1;margin:18px 0 18px}
.page-hero h1 em{font-style:italic;color:#f3d9a5}
.page-hero .sub{font-size:1.08rem;color:#cbd5ef;max-width:660px}
.page-hero .sub b{color:#fff}
.page-hero .meta{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:26px;font-size:.82rem;color:#aebde4;font-weight:600}
.page-hero .meta span{display:inline-flex;align-items:center;gap:8px} .page-hero .meta i{color:#ff8b96}
.page-hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.page-hero .tower{position:absolute;right:3%;bottom:-2%;height:110%;opacity:.13;z-index:1;pointer-events:none}
.page-hero .tower svg{height:100%} .page-hero .tower path{stroke:#a9bce6;stroke-width:1.6;fill:none}

/* ---------- Prose / rich content (blog & text pages) ---------- */
.prose{max-width:820px;margin:0 auto}
.prose>*{margin-bottom:1.15rem}
.prose p{color:var(--ink);font-size:1.02rem}
.prose h2{font-family:var(--serif);font-weight:800;font-size:1.8rem;color:var(--navy);margin:2.4rem 0 .8rem;line-height:1.2}
.prose h2 em{font-style:italic;color:var(--red)}
.prose h3{font-family:var(--serif);font-weight:700;font-size:1.3rem;color:var(--navy);margin:1.8rem 0 .5rem}
.prose ul,.prose ol{padding-left:1.3rem;color:var(--ink)} .prose li{margin:.4rem 0}
.prose strong{color:var(--navy)} .prose a{color:var(--red);text-decoration:underline;text-underline-offset:3px}
.prose blockquote{border-left:3px solid var(--red);padding:6px 0 6px 22px;font-family:var(--serif);font-style:italic;font-size:1.2rem;color:var(--navy)}
.lede{font-family:var(--serif);font-size:1.3rem;line-height:1.5;color:var(--navy);margin-bottom:1.6rem}

/* ---------- Spec / data tables ---------- */
/* grid/flex 子项默认 min-width:auto,不会收缩到小于内容宽度 —— 会让 .tbl-wrap
   的 overflow-x 失效,规格表(min-width:520px)把整个文档撑破视口。置 0 才能滚。*/
.grid-2>*,.grid-3>*,.grid-4>*,.psplit>*,.rng>*,.steps>*,.ed-item>*,
.maison .grid>*,.mk-grid>*,.lead-sec .inner>*,.inq-row>*,.band .grid>*{min-width:0}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;margin:1.4rem 0;border:1px solid var(--line);border-radius:2px}
table.spec{border-collapse:collapse;width:100%;font-size:.9rem;background:#fff;min-width:520px}
table.spec th{background:var(--navy);color:#fff;text-align:left;padding:13px 16px;font-family:var(--sans);font-weight:700;font-size:.76rem;letter-spacing:.06em;text-transform:uppercase}
/* color 必须显式给: 表格自己是白底, 但放进 .bg-navy-deep 就会继承那层的 color:#fff,
   于是白底白字整列消失(10 页 11 张表中招, 只有第三列的 <a> 因为自带颜色还看得见)。 */
table.spec td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink)}
table.spec tr:last-child td{border-bottom:none} table.spec tbody tr:hover{background:var(--cream)}
table.spec .cs{color:var(--gold);font-style:italic}

/* ---------- Feature / value cards ---------- */
.grid-2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.fcard{background:#fff;border:1px solid var(--line);padding:34px 28px;transition:.4s;position:relative;overflow:hidden}
.fcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.fcard::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--red);transition:.5s}
.fcard:hover::after{width:100%}
.fcard .ic{width:52px;height:52px;border-radius:2px;display:grid;place-items:center;background:var(--navy);color:#fff;font-size:1.3rem;margin-bottom:18px}
.fcard:nth-child(2) .ic{background:var(--red)}
.fcard h3{font-family:var(--serif);font-weight:700;font-size:1.22rem;color:var(--navy);margin-bottom:9px;line-height:1.25}
.fcard p{font-size:.9rem;color:var(--muted)}
.fcard .no{font-family:var(--serif);font-style:italic;color:var(--gold);font-size:1rem}

/* editorial numbered list */
.ed-item{border-top:1px solid var(--line);padding:34px 0;display:grid;grid-template-columns:70px minmax(0,1fr);gap:22px;transition:.35s;position:relative}
.ed-item:hover{padding-left:12px}
.ed-item::after{content:"";position:absolute;left:0;top:-1px;height:2px;width:0;background:var(--red);transition:.6s} .ed-item:hover::after{width:100%}
.ed-item .no{font-family:var(--serif);font-style:italic;font-size:1.5rem;color:var(--gold)}
.ed-item h3{font-family:var(--serif);font-weight:700;font-size:1.45rem;color:var(--navy);margin-bottom:8px;line-height:1.2}
.ed-item p{font-size:.92rem;color:var(--muted);max-width:520px}
/* resources 聚合页: ed-item 在这里是整块可点的 <a>, 字号收一档以容纳 49 条 */
a.ed-item{text-decoration:none;padding:26px 0}
a.ed-item h3{font-size:1.12rem;margin-bottom:6px}
a.ed-item p{font-size:.85rem;max-width:none}
a.ed-item:hover h3{color:var(--red)}
.rnav{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.rlink{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border:1px solid rgba(255,255,255,.34);color:#fff;font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;transition:.3s}
.rlink:hover{background:#fff;color:var(--navy);border-color:#fff}
.rlink span{font-family:var(--serif);font-style:italic;font-size:.9rem;color:var(--gold);letter-spacing:0;text-transform:none}
.rlink:hover span{color:var(--red)}

/* ---------- Product hero split ---------- */
.psplit{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:60px;align-items:center}
.psplit .shot{aspect-ratio:4/3.4;overflow:hidden;background:var(--cream2);box-shadow:var(--shadow)}
.psplit .shot img{width:100%;height:100%;object-fit:cover}

/* product range cards */
.rng{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rcard{background:#fff;border:1px solid var(--line);overflow:hidden;transition:.4s;display:flex;flex-direction:column}
.rcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.rcard .ph{aspect-ratio:16/11;overflow:hidden;position:relative;background:var(--cream)}
.rcard .ph img{width:100%;height:100%;object-fit:cover;transition:.8s} .rcard:hover .ph img{transform:scale(1.06)}
.rcard .tag{position:absolute;top:12px;left:12px;background:var(--navy);color:#fff;font-size:.6rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;padding:6px 11px}
.rcard .bd{padding:22px 22px 26px;flex:1;display:flex;flex-direction:column}
.rcard h3{font-family:var(--serif);font-weight:700;font-size:1.22rem;color:var(--navy)}
.rcard .sp{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--red);font-weight:700;margin:6px 0 8px}
.rcard p{font-size:.87rem;color:var(--muted);flex:1}
.rcard .go{margin-top:14px;font-size:.76rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--navy);display:inline-flex;gap:8px;align-items:center}
.rcard:hover .go{color:var(--red)}

/* ---------- Certifications strip ---------- */
.cert-marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.cert-track{display:flex;gap:16px;width:max-content;animation:mq 34s linear infinite}
.cert-track.rev{animation-direction:reverse;margin-top:16px}
.badge{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);padding:16px 30px;font-family:var(--serif);font-weight:700;font-size:1.04rem;white-space:nowrap;display:flex;align-items:center;gap:12px;color:#fff}
.badge i{color:var(--gold);font-size:.78rem} .badge.star{border-color:var(--red);background:rgba(196,42,56,.2)}

/* ---------- Stat band ---------- */
.band{position:relative;color:#fff;overflow:hidden}
.band .bg{position:absolute;inset:0} .band .bg img{width:100%;height:100%;object-fit:cover}
.band .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(16,31,71,.94) 30%,rgba(16,31,71,.72))}
.band .inner{position:relative;z-index:2;padding:92px 0}
.stat .n{font-family:var(--serif);font-weight:800;font-size:clamp(2.2rem,4.4vw,3.6rem);line-height:1}
.stat .n s{text-decoration:none;color:#ff8b96;font-style:italic}
.stat .l{margin-top:10px;font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:#a9b8de}
.stat{border-left:1px solid rgba(255,255,255,.18);padding-left:22px}

/* ---------- Process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:34px}
.stp{position:relative;padding-top:26px}
.stp::before{content:"";position:absolute;top:0;left:0;width:44px;height:3px;background:var(--red)}
.stp .no{font-family:var(--serif);font-style:italic;font-weight:800;font-size:3.2rem;color:transparent;-webkit-text-stroke:1.2px var(--navy);opacity:.45;line-height:1}
.stp h3{font-family:var(--serif);font-weight:700;font-size:1.2rem;color:var(--navy);margin:12px 0 8px}
.stp p{font-size:.87rem;color:var(--muted)}

/* ---------- CTA band / lead magnet ---------- */
.cta-band{position:relative;color:#fff;overflow:hidden;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-deep) 100%)}
.cta-band .inner{position:relative;z-index:2;padding:96px 0;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:60px;align-items:center}
.pdf-card{background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.32);padding:44px 30px;text-align:center;transition:.4s}
.pdf-card:hover{background:rgba(255,255,255,.12);transform:translateY(-6px)}
.pdf-card i{font-size:2.6rem;color:#ff8b96} .pdf-card h3{font-family:var(--serif);font-size:1.2rem;margin-top:16px} .pdf-card small{color:#a9b8de;display:block;margin-top:8px;font-size:.78rem}

/* ---------- Inquiry form ---------- */
.inq-form{background:#fff;border:1px solid var(--line);border-top:4px solid var(--red);padding:44px 40px;box-shadow:var(--shadow)}
.inq-form .fr{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;margin-bottom:18px}
.inq-form label{display:block;font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;font-weight:800;color:var(--navy);margin-bottom:8px}
.inq-form input,.inq-form select,.inq-form textarea{width:100%;border:none;border-bottom:1.5px solid var(--line);background:transparent;padding:10px 2px;font-family:var(--sans);font-size:.92rem;color:var(--ink);transition:.3s;outline:none}
.inq-form input:focus,.inq-form select:focus,.inq-form textarea:focus{border-color:var(--red)}
.inq-form .full{margin-bottom:18px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.74rem;color:var(--muted);margin:8px 0 22px} .consent input{width:auto;margin-top:3px}
.inq-pts{list-style:none;display:flex;flex-direction:column;gap:24px;margin-top:34px}
.inq-pts li{display:flex;gap:16px;font-size:.95rem} .inq-pts i{color:var(--red);margin-top:4px}
.inq-pts b{display:block;color:var(--navy);font-family:var(--serif);font-size:1.05rem} .inq-pts span{color:var(--muted);font-size:.88rem}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto}
.fitem{background:#fff;border:1px solid var(--line);margin-bottom:14px;transition:.3s} .fitem.open{border-color:var(--navy)}
.fq{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:24px 28px;font-family:var(--serif);font-weight:700;font-size:1.06rem;color:var(--navy);display:flex;justify-content:space-between;align-items:center;gap:18px}
.fq .pl{position:relative;width:16px;height:16px;flex-shrink:0}
.fq .pl::before,.fq .pl::after{content:"";position:absolute;background:var(--red);transition:.35s}
.fq .pl::before{left:0;top:7px;width:16px;height:2px} .fq .pl::after{left:7px;top:0;width:2px;height:16px}
.fitem.open .fq .pl::after{transform:rotate(90deg);opacity:0}
.fa{max-height:0;overflow:hidden;transition:max-height .45s ease;padding:0 28px} .fitem.open .fa{max-height:520px;padding-bottom:24px}
.fa p{font-size:.92rem;color:var(--ink);margin-bottom:.6rem} .fa .role{color:var(--red);font-weight:700;font-style:italic;font-family:var(--serif)}

/* ---------- Footer ---------- */
.ft{background:var(--navy-ink);color:#a9b4d4;position:relative;overflow:hidden;padding:96px 0 0}
.ft .nova-wm{position:absolute;right:-3vw;bottom:-7vw;font-family:var(--wordmark);font-style:italic;font-weight:700;font-size:24vw;line-height:.8;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.07);pointer-events:none;user-select:none}
.ft .grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr);gap:46px;position:relative;padding-bottom:60px}
.ft .brand .ifan{color:#fff}
.ft p.desc{font-size:.88rem;margin-top:18px;max-width:330px;color:#8d99bf}
.ft h4{color:#fff;font-size:.7rem;letter-spacing:.32em;text-transform:uppercase;margin-bottom:20px;font-family:var(--sans)}
.ft ul{list-style:none;display:flex;flex-direction:column;gap:11px} .ft ul a{font-size:.9rem;transition:.3s} .ft ul a:hover{color:#fff;padding-left:6px}
.ft .ct li{display:flex;gap:11px;font-size:.88rem;margin-bottom:12px} .ft .ct i{color:#ff8b96;margin-top:4px} .ft .cs{color:var(--gold);font-style:italic}
.ft .bot{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:.74rem;color:#6f7ba0;position:relative} .ft .bot .comp{max-width:640px}

/* ---------- utilities ---------- */
.center{text-align:center} .mt0{margin-top:0}
.note{font-size:.82rem;color:var(--muted);font-style:italic} .note.on-dark{color:#8b9ac4}
.cs{color:var(--gold);font-style:italic}
.tag-soon{background:#8b8f9c!important}

/* ---------- Inquiry form: honeypot + submit status ---------- */
/* Off-screen rather than display:none — bots skip hidden fields but happily
   fill ones they can "see" in the DOM. */
.hp-field{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-status{margin-top:14px;font-size:.85rem;line-height:1.55;min-height:1.2em}
.form-status.is-pending{color:var(--muted)}
.form-status.is-ok{color:#1b6b3a;font-weight:600}
.form-status.is-error{color:var(--red);font-weight:600}

/* ---------- Product grid (catalogue fittings) ---------- */
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.pgrid-item{background:#fff;border:1px solid var(--line);padding:14px 10px 12px;text-align:center;transition:.3s;display:flex;flex-direction:column;align-items:center}
.pgrid-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--navy)}
/* 画册原图只有 100-200px,显示别超过它,放大会糊 */
.pgrid-item img{width:100%;max-width:112px;height:auto;aspect-ratio:1;object-fit:contain;mix-blend-mode:multiply}
.pgrid-item figcaption{margin-top:10px;display:flex;flex-direction:column;gap:2px;line-height:1.3}
.pgrid-item figcaption b{font-size:.8rem;font-weight:700;color:var(--navy)}
.pgrid-item figcaption span{font-size:.68rem;letter-spacing:.1em;color:var(--muted);font-weight:600}
@media(max-width:600px){
  .pgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .pgrid-item{padding:12px 8px 10px}
  .pgrid-item figcaption b{font-size:.76rem}
}

/* ---------- Responsive ---------- */
@media(max-width:1040px){
  .hd nav{display:none}
  /* 汉堡是移动端唯一的导航入口,但图标本身只有 19×25px,远低于 44px 触控基线 */
  .burger{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;margin-left:auto}
  .hd nav .mdrop{display:block;width:100%}
  .hd nav .mdrop>.mhead{padding:15px 0;justify-content:space-between;width:100%;border-bottom:1px solid var(--line)}
  .hd nav .mlink{padding:15px 0;border-bottom:1px solid var(--line);width:100%}
  .hd nav .mega{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;max-height:0;overflow:hidden;transition:max-height .32s ease}
  .hd nav .mdrop.mopen .mega{max-height:1400px}
  .hd nav .mega::before,.hd nav .mega::after{display:none}
  .hd nav .mega-in{flex-direction:column;padding:6px 0 12px;gap:6px;max-width:none}
  .hd nav .mcols{flex-direction:column;gap:0}
  .hd nav .mcol-sub{border-left:none;padding-left:0}
  .hd nav .mcol h4{border-bottom:none;padding-bottom:2px;margin-bottom:0}
  .hd nav .mcol .lnks{grid-template-columns:1fr;gap:0}
  .hd nav .mega .mcol a{padding:9px 0}
  .hd nav .mfeat{display:none}
  .grid-4{grid-template-columns:minmax(0,1fr) minmax(0,1fr)} .grid-3,.rng{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .psplit,.cta-band .inner{grid-template-columns:minmax(0,1fr)}
  .band .grid-4{grid-template-columns:minmax(0,1fr) minmax(0,1fr)} .steps{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .ft .grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .section{padding:88px 0} .page-hero{padding:150px 0 70px}
}
@media(max-width:600px){
  .grid-2,.grid-3,.grid-4,.rng,.steps,.inq-form .fr,.ft .grid{grid-template-columns:minmax(0,1fr)}
  .section{padding:66px 0} .stat{border-left:none;padding-left:0}
  .ed-item{grid-template-columns:minmax(0,1fr);gap:6px}
  /* 以下几处在手机上渲染成 10–11px,低于移动端可读基线。字距同步收窄,
     否则放大后会把标签挤到换行。表单标签优先 —— 看不清字段直接掉询盘。 */
  .inq-form label{font-size:.78rem;letter-spacing:.12em}
  .eyebrow{font-size:.75rem;letter-spacing:.28em}
  .rcard .tag{font-size:.72rem;letter-spacing:.1em}
  .rcard .sp{font-size:.75rem}
  .stat .l{font-size:.75rem;letter-spacing:.18em}
  .crumb{font-size:.78rem}
  /* 页脚导航链接行高只有 18px,手指点不准 —— 撑出 40px 的触控区 */
  .ft .grid a{display:inline-block;padding:11px 0;line-height:1.25}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* ---- Contact person card (contact page) ---------------------------------
   四张渠道卡说的是"怎么联系", 这张说的是"谁来接"。轨道用 minmax(0,…) —— 默认的
   auto 最小值不肯收缩, 手机上会把卡片撑破视口。 */
.person-card{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:34px;
  align-items:center;margin-top:46px;background:#fff;border:1px solid rgba(24,49,107,.1);
  padding:30px;box-shadow:0 18px 50px rgba(24,49,107,.07)}
.person-card .pc-photo img{width:100%;height:auto;display:block}
.person-card h3{font-family:var(--serif);font-size:1.7rem;color:var(--navy);margin:.35rem 0 .1rem}
.person-card .pc-role{color:var(--red);font-weight:700;font-size:.76rem;letter-spacing:.1em;
  text-transform:uppercase;margin:0 0 .9rem}
.person-card p{margin:0}
.pc-codes{display:flex;gap:24px;margin-top:22px;flex-wrap:wrap}
.pc-codes figure{margin:0;text-align:center;width:120px}
.pc-codes img{width:120px;height:120px;display:block;background:#fff;padding:7px;
  border:1px solid rgba(24,49,107,.14)}
.pc-codes figcaption{font-size:.7rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--navy);margin-top:9px}
.pc-codes a{text-decoration:none}
@media(max-width:820px){
  .person-card{grid-template-columns:minmax(0,1fr);gap:22px;padding:22px;text-align:center}
  .person-card .pc-photo{max-width:210px;margin:0 auto}
  .pc-codes{justify-content:center;gap:18px}
}

/* ---- Contact Form 7 适配 ------------------------------------------------
   表单由自建换成 CF7 后, 每个控件外面多了一层 <span class="wpcf7-form-control-wrap">,
   它默认 inline, 会让 input 塌掉。把它还原成块级即可 —— 其余样式靠短代码传的
   html_class="inq-form" 直接复用原有规则, 不重写一套。 */
.inq-form .wpcf7-form-control-wrap{display:block;width:100%}
.inq-form .wpcf7-form-control-wrap input,
.inq-form .wpcf7-form-control-wrap select,
.inq-form .wpcf7-form-control-wrap textarea{width:100%}
.inq-form select[multiple]{min-height:98px}
/* CF7 的提交按钮是 <input type=submit>, 会吃到 GeneratePress 对 input[type=submit]
   的默认按钮色(实测被刷成灰色 #55555e), .btn/.btn-red 那两个类选择器压不住它。
   这里用 类+元素+类 的特异性显式复刻 .btn + .btn-red, 并补上 <input> 没有的
   居中与整宽。 */
.inq-form input.wpcf7-submit{
  width:100%;
  display:block;
  background:var(--red);
  color:#fff;
  border:1.5px solid transparent;
  padding:15px 30px;
  font-family:var(--sans);
  font-weight:700;
  font-size:.84rem;
  letter-spacing:.05em;
  cursor:pointer;
  transition:.35s}
.inq-form input.wpcf7-submit:hover{background:var(--red-deep);color:#fff}
/* acceptance 勾选框: CF7 把它包成
   <span class="wpcf7-list-item"><label><input><span class="…-label">文字</span></label></span>,
   .consent 的 flex 作用在最外层 span 上, 结果勾选框被挤到文字上方居中。
   把 flex 下推到 label 这一层, 恢复"框在左、文字在右"。 */
.inq-form .consent .wpcf7-form-control-wrap,
.inq-form .consent .wpcf7-acceptance,
.inq-form .consent .wpcf7-list-item{display:block;width:100%;margin:0}
.inq-form .consent .wpcf7-list-item label{display:flex;align-items:flex-start;gap:10px;margin:0;cursor:pointer}
.inq-form .consent input[type=checkbox]{width:auto;flex:0 0 auto;margin-top:3px}
.inq-form .consent .wpcf7-list-item-label{font-size:.74rem;color:var(--muted);line-height:1.55;
  text-transform:none;letter-spacing:0;font-weight:400}

/* 校验与结果提示: CF7 的 response output 接替原来的 .form-status */
.inq-form .wpcf7-not-valid-tip{color:var(--red);font-size:.72rem;margin-top:5px}
.inq-form .wpcf7-response-output{margin:14px 0 0;padding:10px 14px;font-size:.8rem;line-height:1.5;
  border:1px solid rgba(24,49,107,.18)}
.inq-form.sent .wpcf7-response-output{border-color:#1f7a4d;color:#1f7a4d}
.inq-form.invalid .wpcf7-response-output{border-color:var(--red);color:var(--red)}
.inq-form .wpcf7-spinner{display:block;margin:10px auto 0}

/* === resources hub (make_resources.py 维护, 勿手改) === */

.vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.rgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;margin-top:26px}
.rgrid.feat{grid-template-columns:repeat(3,minmax(0,1fr))}
.rcard2{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;position:relative;transition:.35s}
.rcard2:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.rcard2 .ph{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--cream)}
.rcard2 .ph img{width:100%;height:100%;object-fit:cover;transition:.7s}
.rcard2:hover .ph img{transform:scale(1.05)}
.cbadge{position:absolute;left:12px;top:12px;background:rgba(16,31,71,.92);color:#fff;font-size:.62rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;padding:6px 10px}
.rcard2 .bd{padding:20px 20px 22px;flex:1;display:flex;flex-direction:column}
.rcard2 h3{font-family:var(--serif);font-weight:700;font-size:1.08rem;line-height:1.28;color:var(--navy);margin-bottom:8px}
.rcard2 h3 a{color:inherit}
.rcard2 h3 a::after{content:"";position:absolute;inset:0}
.rcard2:hover h3{color:var(--red)}
.rcard2 p{font-size:.83rem;color:var(--muted);flex:1;margin-bottom:12px}
.cmeta{font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--gold);display:flex;gap:7px;align-items:center}
.rt-sep{opacity:.5}
/* 工具条 */
.rtools{position:sticky;top:74px;z-index:40;background:var(--cream);padding:14px 0 12px;margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;border-bottom:1px solid var(--line)}
.rsearch{position:relative;flex:1;min-width:260px}
.rsearch i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.85rem}
.rsearch input{width:100%;padding:12px 38px;border:1px solid var(--line);background:#fff;font-family:var(--sans);font-size:.88rem;color:var(--ink)}
.rsearch input:focus{outline:2px solid var(--navy);outline-offset:-1px}
.rclear{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:1.3rem;line-height:1;color:var(--muted);cursor:pointer;padding:4px 8px}
.rchips{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:7px}
.fchip{background:#fff;border:1px solid var(--line);padding:8px 13px;font-family:var(--sans);font-size:.71rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--ink);cursor:pointer;transition:.2s;display:inline-flex;gap:6px;align-items:center}
.fchip span{font-family:var(--serif);font-style:italic;color:var(--gold);letter-spacing:0;text-transform:none;font-size:.85rem}
.fchip:hover{border-color:var(--navy)}
.fchip.on{background:var(--navy);border-color:var(--navy);color:#fff}
.fchip.on span{color:var(--gold)}
.fchip:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.rsort select{padding:11px 13px;border:1px solid var(--line);background:#fff;font-family:var(--sans);font-size:.78rem;font-weight:600;color:var(--ink);cursor:pointer}
.rcount{font-family:var(--sans);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--muted);margin-top:20px}
.rcount b{color:var(--navy);font-size:.95rem}
.rcount:focus{outline:2px solid var(--navy);outline-offset:4px}
.glead{font-size:.92rem;color:var(--muted);max-width:720px;margin-top:10px;padding-left:13px;border-left:3px solid var(--gold)}
.glead b{color:var(--navy);font-weight:700}
.rempty{background:#fff;border:1px solid var(--line);padding:40px 34px;margin-top:26px;max-width:640px}
.rempty h3{font-family:var(--serif);font-size:1.4rem;color:var(--navy);margin-bottom:8px}
.rempty p{color:var(--muted);font-size:.9rem}
.rempty ul{margin:14px 0 20px;padding-left:18px}
.rempty li{margin-bottom:6px;font-size:.9rem}
.rempty li a{color:var(--navy);font-weight:600;border-bottom:1px solid var(--line)}
.rempty li a:hover{color:var(--red)}
.rtop{position:fixed;right:26px;bottom:26px;z-index:60;width:46px;height:46px;border:none;background:var(--navy);color:#fff;cursor:pointer;font-size:.9rem;transition:.3s}
.rtop:hover{background:var(--red)}
@media(max-width:1040px){ .rgrid,.rgrid.feat{grid-template-columns:repeat(2,minmax(0,1fr))} .rtools{top:64px} }
@media(max-width:600px){
  .rgrid,.rgrid.feat{grid-template-columns:minmax(0,1fr);gap:18px}
  .rtools{position:static;padding:0;border:0;gap:10px}
  .rsearch{min-width:100%} .rsort{width:100%} .rsort select{width:100%}
  .rchips{gap:6px} .fchip{font-size:.66rem;padding:7px 10px}
  .rtop{right:14px;bottom:14px}
}
/* === /resources hub === */

/* === RTL (阿拉伯语) — 由 make_ar.py 维护, 勿手改 === */
/* 作用域挂在 [dir="rtl"] 上, 不做条件加载 —— 主题的 header.php 被主机 WAF 锁死,
   加不了 <link>, 也改不了 <html lang>。阿语页在正文最外层套 <div dir="rtl" lang="ar">。
   字体走系统栈: 站上的 Playfair/Inter 都不含阿拉伯字形, 而外链 Google 字体同样要动 header.php,
   顺带也避开了 Google Fonts 的 GDPR 问题。 */
[dir="rtl"]{direction:rtl;text-align:right;
  font-family:"Noto Sans Arabic","Noto Kufi Arabic","Segoe UI","Geeza Pro",Tahoma,sans-serif}
[dir="rtl"] h1,[dir="rtl"] h2,[dir="rtl"] h3,[dir="rtl"] h4,[dir="rtl"] .big,[dir="rtl"] .lead{
  font-family:"Noto Sans Arabic","Noto Kufi Arabic","Segoe UI","Geeza Pro",Tahoma,sans-serif;
  font-style:normal;letter-spacing:0}
/* 拉丁片段(PN 16 / SASO / Φ110×10.0 / DVS 2207-1)在 RTL 里必须隔离,
   否则行首行尾的标点会被双向算法甩到另一边。 */
[dir="rtl"] .ltr{direction:ltr;unicode-bidi:isolate;display:inline-block}
/* 镜像: 内边距 / 边框 / 定位 */
[dir="rtl"] .prose ul,[dir="rtl"] .prose ol{padding-left:0;padding-right:1.3rem}
[dir="rtl"] .prose blockquote{border-left:none;border-right:3px solid var(--red);padding-left:0;padding-right:22px}
[dir="rtl"] table.spec th{text-align:right}
[dir="rtl"] .stat{border-left:none;border-right:1px solid rgba(255,255,255,.18);padding-left:0;padding-right:22px}
[dir="rtl"] .stp::before{left:auto;right:0}
[dir="rtl"] .fq{text-align:right}
[dir="rtl"] .fq .pl::before{left:auto;right:0}
[dir="rtl"] .fq .pl::after{left:auto;right:7px}
[dir="rtl"] .ed-item:hover{padding-left:0;padding-right:12px}
[dir="rtl"] .ed-item::after,[dir="rtl"] .fcard::after{left:auto;right:0}
[dir="rtl"] .glead{padding-left:0;padding-right:13px;border-left:none;border-right:3px solid var(--gold)}
[dir="rtl"] .cbadge,[dir="rtl"] .rcard .tag{left:auto;right:12px}
[dir="rtl"] .page-hero .tower{right:auto;left:3%;transform:scaleX(-1)}
/* 三色旗渐变方向要跟着翻, 否则蓝白红变成红白蓝 */
[dir="rtl"] .tri,[dir="rtl"] .tri-line{transform:scaleX(-1)}
/* 按钮里的箭头图标 */
[dir="rtl"] .btn i.fa-arrow-right{transform:scaleX(-1)}
[dir="rtl"] .btn:hover i{transform:scaleX(-1) translateX(5px)}
/* === /RTL === */

/* === article 3-column (article-layout.php 维护, 勿手改) === */
/* 文章页三列: 目录 / 正文 / 作者+相关。
   .artgrid 由 article-layout.php 在 .prose 的外层 .wrap 上加, 所以只影响文章页,
   成交页的 .wrap 不受影响。RTL 下 grid 自动镜像, 无需另写一套。 */
.artgrid{display:grid;grid-template-columns:216px minmax(0,1fr) 272px;gap:40px;
  align-items:start;max-width:1460px}
/* 正文在栅格里就不该再自己居中限宽了, 否则会在中列里再缩一次 */
.artgrid .prose{max-width:none;margin:0;grid-column:2;grid-row:1}
.artgrid .acol-toc{grid-column:1;grid-row:1}
.artgrid .acol-side{grid-column:3;grid-row:1}
/* 标题不足 3 个 → 不出目录, 左列会是一条空白。退成"正文 + 右栏"两列 */
.artgrid.no-toc{grid-template-columns:minmax(0,1fr) 272px}
.artgrid.no-toc .prose{grid-column:1}
.artgrid.no-toc .acol-side{grid-column:2}
.artgrid.no-toc .acol-toc{display:none}
/* 那一篇 .wrap 里还有 sec-head 的文章: 让它通栏, 不要挤成第四列 */
.artgrid>:not(.acol):not(.prose){grid-column:1/-1}
.acol{position:sticky;top:96px;max-height:calc(100vh - 120px);overflow-y:auto;
  overscroll-behavior:contain;scrollbar-width:thin}
.acol::-webkit-scrollbar{width:4px}
.acol::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}

.toch{font-size:.68rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin:0 0 12px}
.toc ol{list-style:none;margin:0;padding:0;border-inline-start:2px solid var(--line)}
.toc li{margin:0}
.toc a{display:block;padding:7px 0 7px 14px;padding-inline-start:14px;font-size:.82rem;
  line-height:1.45;color:var(--muted);text-decoration:none;border-inline-start:2px solid transparent;
  margin-inline-start:-2px;transition:color .2s,border-color .2s}
.toc a:hover{color:var(--ink)}
.toc li.lv-h3 a{padding-inline-start:26px;font-size:.78rem}
.toc a.on{color:var(--red);border-inline-start-color:var(--red);font-weight:600}

.authcard{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px 18px 16px}
.ak{font-size:.66rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin:0 0 6px}
.an{font-family:var(--serif);font-size:1.02rem;font-weight:700;color:var(--navy);margin:0}
.ar-role{font-size:.76rem;color:var(--muted);margin:2px 0 10px}
.ab{font-size:.8rem;line-height:1.6;color:var(--ink);margin:0 0 12px}
.al{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);padding-top:10px}
.al li{margin:0}
.al a{display:flex;align-items:center;gap:7px;padding:5px 0;font-size:.78rem;
  color:var(--navy);text-decoration:none;font-weight:600}
.al a:hover{color:var(--red)}
.al i{font-size:.6rem;opacity:.5}

.relbox{margin-top:22px}
.relbox ul{list-style:none;margin:0;padding:0}
.relbox li+li{border-top:1px solid var(--line)}
.relbox a{display:block;padding:9px 0;font-size:.82rem;line-height:1.45;
  color:var(--ink);text-decoration:none}
.relbox a:hover{color:var(--red)}

.sidecta{margin-top:22px;background:var(--navy);border-radius:10px;padding:16px}
.sch{font-family:var(--serif);font-size:.96rem;color:#fff;margin:0 0 10px;line-height:1.35}
.sidecta .btn{width:100%;justify-content:center;font-size:.74rem;padding:10px 14px}

/* 1240 以下先收掉右栏(它是补充信息), 目录留着 —— 长文里目录比作者卡有用得多 */
@media(max-width:1240px){
  .artgrid{grid-template-columns:200px minmax(0,1fr);gap:32px}
  .artgrid .acol-side{grid-column:1/-1;grid-row:auto;position:static;max-height:none;
    display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:40px}
  .relbox,.sidecta{margin-top:0}
}
/* 手机: 目录折叠成一个 details, 默认收起 —— 展开占半屏的目录比没有目录更烦 */
@media(max-width:900px){
  .artgrid{grid-template-columns:1fr;gap:0}
  .artgrid .prose,.artgrid .acol-toc,.artgrid .acol-side{grid-column:1}
  .acol{position:static;max-height:none;overflow:visible}
  .acol-toc{margin-bottom:26px;border:1px solid var(--line);border-radius:10px;padding:14px 16px}
  .toc ol{max-height:0;overflow:hidden;transition:max-height .3s ease;border:0;padding-inline-start:2px}
  .acol-toc.open .toc ol{max-height:70vh;overflow-y:auto}
  .toch{margin:0;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
  .toch::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
    font-size:.6rem;transition:transform .3s}
  .acol-toc.open .toch::after{transform:rotate(180deg)}
}
/* === /article 3-column === */