/* ============================================================
   唯吾先绅 Wave · 合肥蒂亚诺服饰有限公司
   深墨 + 鎏金 高端官网样式
   ============================================================ */
:root{
  --ink:#14120d;
  --ink-2:#1c1913;
  --ink-3:#26221a;
  --paper:#f7f4ee;
  --cream:#efe9df;
  --gold:#b08d57;
  --gold-light:#cfb078;
  --gold-dark:#94713f;
  --text:#4a443b;
  --text-light:#8d8578;
  --line:#e2dbcd;
  --line-dark:rgba(207,176,120,.28);
  --shadow:0 24px 60px rgba(20,18,13,.14);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);font-size:16px;line-height:1.85;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .3s}
ul{list-style:none}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}
::selection{background:var(--gold);color:#fff}

/* ---------- 通用排版 ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--ink);line-height:1.4}
.sec{padding:104px 0}
.sec.dark{background:var(--ink);color:#cfc6b6}
.sec.dark h2,.sec.dark h3{color:#f4efe4}
.sec.cream{background:var(--cream)}
.sec-label{font-size:12px;letter-spacing:.42em;text-transform:uppercase;color:var(--gold-dark);font-family:var(--sans);margin-bottom:14px}
.sec.dark .sec-label{color:var(--gold-light)}
.sec-head{max-width:820px;margin:0 auto 58px;text-align:center}
.sec-head h2{font-size:40px;letter-spacing:.04em}
.sec-head .rule{width:64px;height:2px;background:var(--gold);margin:22px auto 18px}
.sec-head p{color:var(--text-light);font-size:15.5px}
.sec.dark .sec-head p{color:#a89e8c}
.sec-head.left{text-align:left;margin-left:0}
.sec-head.left .rule{margin-left:0}
.vertical{writing-mode:vertical-rl;font-family:var(--serif);letter-spacing:.5em;color:rgba(176,141,87,.5);font-size:15px;user-select:none}

/* ---------- 顶栏 ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:90;background:rgba(20,18,13,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(207,176,120,.16);transition:background .35s,box-shadow .35s}
body.solid .site-header{background:rgba(17,15,11,.94);box-shadow:0 10px 30px rgba(0,0,0,.25)}
.header-inner{display:flex;align-items:center;gap:26px;height:84px}
.brand{display:flex;align-items:center;gap:13px;color:#f4efe4;flex-shrink:0}
.brand-seal{width:52px;height:52px;flex:0 0 52px;border:1px solid var(--gold);border-radius:4px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;place-items:center;background:linear-gradient(145deg,rgba(176,141,87,.16),rgba(176,141,87,.04));padding:6px;gap:1px}
.brand-seal i{font-style:normal;font-family:var(--serif);font-size:13px;line-height:1;color:var(--gold-light);display:grid;place-items:center;width:100%;height:100%}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-family:var(--serif);font-size:22px;letter-spacing:.08em;color:#f7f3e8;white-space:nowrap}
.brand-text strong em{font-style:normal;color:var(--gold-light);font-size:15px;letter-spacing:.12em;margin-left:6px}
.brand-text span{font-size:11.5px;letter-spacing:.14em;color:rgba(244,239,228,.55);white-space:nowrap}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a,.nav .has-sub>a{display:block;padding:10px 13px;font-size:15.5px;color:rgba(244,239,228,.86);letter-spacing:.06em;white-space:nowrap;position:relative}
.nav a:hover,.nav a.on{color:var(--gold-light)}
.nav a.on::after,.nav .has-sub>a.on::after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:1px;background:var(--gold)}
.nav .has-sub{position:relative}
.nav .has-sub>span{display:flex;align-items:center;gap:6px;padding:10px 13px;font-size:15.5px;color:rgba(244,239,228,.86);letter-spacing:.06em;white-space:nowrap;cursor:pointer}
.nav .has-sub>span::after{content:"";width:7px;height:7px;border-right:1px solid var(--gold);border-bottom:1px solid var(--gold);transform:rotate(45deg) translateY(-2px);transition:transform .3s}
.nav .has-sub:hover>span::after{transform:rotate(225deg) translateY(-1px)}
.nav .sub{position:absolute;top:100%;left:0;min-width:196px;background:rgba(23,20,14,.97);border:1px solid var(--line-dark);padding:10px 0;opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s;box-shadow:0 20px 50px rgba(0,0,0,.4)}
.nav .has-sub:hover .sub{opacity:1;visibility:visible;transform:translateY(4px)}
.nav .sub a{padding:9px 22px;font-size:14.5px}
.nav .sub a::after{display:none}
.header-tel{display:flex;align-items:center;gap:8px;color:var(--gold-light);font-size:16.5px;letter-spacing:.05em;border:1px solid var(--line-dark);padding:9px 18px;border-radius:2px;white-space:nowrap;flex-shrink:0;transition:.3s}
.header-tel:hover{background:var(--gold);color:#14120d;border-color:var(--gold)}
.nav-toggle{display:none}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;color:#f4efe4;overflow:hidden;background:var(--ink)}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center 28%;opacity:.62;transform:scale(1.04);animation:heroZoom 14s ease-out forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,13,.55) 0%,rgba(20,18,13,.25) 42%,rgba(20,18,13,.88) 100%)}
.hero-inner{position:relative;z-index:2;padding:120px 24px 90px;max-width:980px}
.hero .kicker{font-size:13.5px;letter-spacing:.55em;text-indent:.55em;color:var(--gold-light);margin-bottom:30px}
.hero h1{font-size:66px;font-weight:600;color:#fbf8f1;letter-spacing:.06em;line-height:1.32;text-shadow:0 6px 40px rgba(0,0,0,.45)}
.hero h1 .dot{color:var(--gold);padding:0 14px}
.hero .sub{margin-top:26px;font-size:18.5px;color:rgba(247,243,232,.88);letter-spacing:.24em;text-indent:.24em}
.hero .desc{margin-top:14px;font-size:14.5px;color:rgba(247,243,232,.6);letter-spacing:.1em}
.hero-btns{margin-top:48px;display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 40px;font-size:15.5px;letter-spacing:.16em;text-indent:.16em;border:1px solid var(--gold);transition:.35s;border-radius:2px}
.btn.gold{background:linear-gradient(135deg,var(--gold-light),var(--gold-dark));color:#14120d;font-weight:600}
.btn.gold:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 34px rgba(176,141,87,.35)}
.btn.ghost{color:var(--gold-light);border-color:var(--line-dark)}
.btn.ghost:hover{background:rgba(176,141,87,.14);border-color:var(--gold);transform:translateY(-2px)}
.hero-side{position:absolute;right:34px;top:50%;transform:translateY(-50%);z-index:2;color:rgba(207,176,120,.55)}
.scroll-hint{position:absolute;left:50%;bottom:34px;transform:translateX(-50%);z-index:2;color:rgba(244,239,228,.6);font-size:11px;letter-spacing:.34em;text-indent:.34em}
.scroll-hint::after{content:"";display:block;width:1px;height:44px;background:linear-gradient(var(--gold),transparent);margin:12px auto 0;animation:drop 2s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- 内页头 ---------- */
.page-head{position:relative;background:var(--ink-2);color:#f4efe4;padding:172px 0 74px;overflow:hidden}
.page-head .bg{position:absolute;inset:0;background-size:cover;background-position:center 30%;opacity:.3}
.page-head::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,13,.5),rgba(20,18,13,.86))}
.page-head .wrap{position:relative;z-index:2}
.page-head h1{font-size:44px;color:#fbf8f1;letter-spacing:.06em}
.page-head .en{font-size:12.5px;letter-spacing:.42em;color:var(--gold-light);margin-bottom:16px;text-transform:uppercase}
.page-head p{margin-top:14px;color:rgba(244,239,228,.72);font-size:15.5px;max-width:760px}
.crumb{margin-top:26px;font-size:13px;color:rgba(244,239,228,.5);letter-spacing:.08em}
.crumb a{color:rgba(244,239,228,.72)}
.crumb a:hover{color:var(--gold-light)}
.crumb span{margin:0 10px;color:var(--gold)}

/* ---------- 数字带 ---------- */
.stats{background:var(--ink);border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:46px 20px;text-align:center;position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:26%;bottom:26%;width:1px;background:var(--line-dark)}
.stat b{display:block;font-family:var(--serif);font-size:46px;font-weight:600;color:var(--gold-light);line-height:1.1}
.stat b i{font-style:normal;font-size:22px;margin-left:3px;color:var(--gold)}
.stat span{display:block;margin-top:10px;font-size:13.5px;color:#a89e8c;letter-spacing:.22em}

/* ---------- 产品卡片 ---------- */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.pcard{background:#fff;box-shadow:var(--shadow);overflow:hidden;position:relative;display:flex;flex-direction:column;transition:.4s}
.pcard:hover{transform:translateY(-7px);box-shadow:0 30px 70px rgba(20,18,13,.2)}
.pcard .ph{overflow:hidden;position:relative;aspect-ratio:4/3}
.pcard .ph.tall{aspect-ratio:3/4}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.6,.2,1)}
.pcard:hover .ph img{transform:scale(1.07)}
.pcard .ph .tag{position:absolute;left:0;top:22px;background:linear-gradient(135deg,var(--gold-light),var(--gold-dark));color:#14120d;font-size:12.5px;letter-spacing:.2em;padding:6px 16px 6px 14px;z-index:2}
.pcard .bd{padding:28px 28px 30px;flex:1;display:flex;flex-direction:column}
.pcard h3{font-size:22px;letter-spacing:.03em}
.pcard h3 small{display:block;font-family:var(--sans);font-size:11px;font-weight:400;letter-spacing:.3em;color:var(--gold-dark);margin-bottom:9px;text-transform:uppercase}
.pcard p{margin-top:12px;font-size:14.5px;color:var(--text-light);flex:1}
.pcard .more{margin-top:20px;font-size:13.5px;color:var(--gold-dark);letter-spacing:.14em}
.pcard .more::after{content:"→";margin-left:8px;transition:margin .3s}
.pcard:hover .more::after{margin-left:14px}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev .s-img{order:2}
.split .s-img{position:relative}
.split .s-img img{box-shadow:var(--shadow)}
.split .s-img .frame{position:absolute;inset:-16px 16px 16px -16px;border:1px solid var(--gold);opacity:.5;pointer-events:none}
.split h3{font-size:30px;margin-bottom:8px;letter-spacing:.03em}
.split .en{font-size:11.5px;letter-spacing:.32em;color:var(--gold-dark);text-transform:uppercase;margin-bottom:16px}
.split p{margin-top:14px;font-size:15px}
.tick{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:12px 26px}
.tick li{position:relative;padding-left:24px;font-size:14.5px}
.tick li::before{content:"";position:absolute;left:0;top:.72em;width:12px;height:1px;background:var(--gold)}
.tick li::after{content:"";position:absolute;left:5px;top:.55em;width:5px;height:5px;border-right:1px solid var(--gold);border-bottom:1px solid var(--gold);transform:rotate(-45deg)}

/* ---------- 编号能力块 ---------- */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.cap{background:#fff;padding:40px 34px;box-shadow:var(--shadow);position:relative;overflow:hidden;transition:.4s}
.cap:hover{transform:translateY(-6px)}
.cap .no{font-family:var(--serif);font-size:52px;color:rgba(176,141,87,.22);line-height:1;position:absolute;right:24px;top:20px;font-weight:600}
.cap h3{font-size:21px;margin-bottom:12px}
.cap p{font-size:14.5px;color:var(--text-light)}
.cap .ln{width:38px;height:2px;background:var(--gold);margin-bottom:18px}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:44px 40px;counter-reset:step}
.step{position:relative;padding-top:8px}
.step .cn{font-family:var(--serif);font-size:38px;color:var(--gold);line-height:1}
.step h4{font-size:20px;margin:16px 0 10px;letter-spacing:.04em}
.step p{font-size:14.5px;color:var(--text-light)}
.sec.dark .step p{color:#a89e8c}

/* ---------- 画廊 / 案例 ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gitem{position:relative;overflow:hidden;cursor:zoom-in;background:var(--ink)}
.gitem img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .8s,opacity .5s}
.gitem.tall img{aspect-ratio:3/4}
.gitem:hover img{transform:scale(1.06);opacity:.82}
.gitem figcaption{position:absolute;left:0;right:0;bottom:0;padding:44px 20px 16px;background:linear-gradient(transparent,rgba(20,18,13,.85));color:#f4efe4;font-size:13.5px;letter-spacing:.06em}
.casewall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.casechip{background:#fff;border:1px solid var(--line);padding:26px 20px;text-align:center;font-family:var(--serif);font-size:19px;letter-spacing:.12em;color:var(--ink);transition:.35s;position:relative;overflow:hidden}
.casechip::before{content:"";position:absolute;inset:6px;border:1px solid transparent;transition:.35s}
.casechip:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--gold)}
.casechip:hover::before{border-color:var(--line-dark)}
.casechip small{display:block;font-family:var(--sans);font-size:11px;letter-spacing:.2em;color:var(--text-light);margin-top:8px}

/* ---------- 引用 / 品牌理念 ---------- */
.quote{max-width:860px;margin:0 auto;text-align:center}
.quote blockquote{font-family:var(--serif);font-size:27px;line-height:2;color:var(--ink);letter-spacing:.06em}
.quote blockquote em{font-style:normal;color:var(--gold-dark)}
.quote cite{display:block;margin-top:20px;font-style:normal;font-size:12.5px;letter-spacing:.34em;color:var(--text-light)}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);margin-bottom:14px;padding:0;transition:.3s}
.faq details[open]{border-color:var(--gold);box-shadow:var(--shadow)}
.faq summary{list-style:none;cursor:pointer;padding:22px 60px 22px 28px;font-family:var(--serif);font-size:17.5px;color:var(--ink);position:relative;letter-spacing:.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:26px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--gold);font-weight:300;transition:.3s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .ans{padding:0 28px 24px;font-size:14.8px;color:var(--text-light);border-top:1px dashed var(--line);padding-top:18px;margin:0 0 0}
.faq .ans{margin-top:-4px}

/* ---------- CTA 带 ---------- */
.cta-band{background:linear-gradient(120deg,var(--ink) 0%,var(--ink-3) 100%);border-top:1px solid var(--line-dark);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 82% 30%,rgba(176,141,87,.14),transparent)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;padding:72px 0}
.cta-inner h2{color:#f7f3e8;font-size:32px;letter-spacing:.04em}
.cta-inner p{margin-top:10px;color:#a89e8c;font-size:15px}
.cta-tel{display:block;text-align:right}
.cta-tel small{display:block;font-size:11.5px;letter-spacing:.34em;color:var(--gold-light);margin-bottom:6px}
.cta-tel b{font-family:var(--serif);font-size:38px;font-weight:600;color:#f7f3e8;letter-spacing:.04em}
.cta-tel:hover b{color:var(--gold-light)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#a89e8c;padding:78px 0 0;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:56px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:22px}
.footer-brand p{font-size:14px;line-height:2}
.footer-col h4{font-size:16.5px;color:#f4efe4;letter-spacing:.14em;margin-bottom:22px;position:relative;padding-bottom:14px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:1px;background:var(--gold)}
.footer-col ul li{margin-bottom:11px;font-size:14px}
.footer-col a:hover{color:var(--gold-light)}
.footer-kw{border-top:1px solid rgba(207,176,120,.16);padding:24px 0 20px;display:flex;flex-wrap:wrap;row-gap:4px}
.footer-kw a{display:inline-block;font-size:12.5px;line-height:1.9;color:rgba(168,158,140,.78);margin:0 20px 0 0;letter-spacing:.04em;white-space:nowrap}
.footer-kw a:hover{color:var(--gold-light)}
.footer-bottom{border-top:1px solid rgba(207,176,120,.16);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(168,158,140,.66)}
.footer-bottom a:hover{color:var(--gold-light)}

/* ---------- 关键词正文段 ---------- */
.kw-para{max-width:900px;margin:0 auto;font-size:14.6px;color:var(--text-light);line-height:2.15}
.kw-para b{color:var(--gold-dark);font-weight:600}
.kw-para a{color:var(--gold-dark);border-bottom:1px dashed var(--gold)}
.kw-para a:hover{color:var(--ink)}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid .full{grid-column:1/-1}
.form-grid label{display:block;font-size:13px;letter-spacing:.1em;color:var(--text-light);margin-bottom:8px}
.form-grid input,.form-grid textarea,.form-grid select{width:100%;background:#fff;border:1px solid var(--line);padding:13px 16px;font-size:15px;font-family:var(--sans);color:var(--ink);transition:.3s;border-radius:2px}
.form-grid input:focus,.form-grid textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(176,141,87,.15)}
.form-note{font-size:12.5px;color:var(--text-light);margin-top:14px}
.form-tip{display:none;margin-top:16px;padding:12px 18px;background:rgba(176,141,87,.12);border:1px solid var(--gold);color:var(--gold-dark);font-size:14px}

/* ---------- 灯箱 ---------- */
.lightbox{position:fixed;inset:0;z-index:120;background:rgba(12,10,7,.94);display:none;align-items:center;justify-content:center;padding:40px}
.lightbox.on{display:flex}
.lightbox img{max-width:92vw;max-height:86vh;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lightbox .x{position:absolute;right:34px;top:26px;color:#f4efe4;font-size:34px;cursor:pointer;line-height:1;font-weight:300}
.lightbox .cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:rgba(244,239,228,.75);font-size:14px;letter-spacing:.1em}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.2,.6,.2,1),transform .9s cubic-bezier(.2,.6,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}.d5{transition-delay:.5s}

/* ---------- 响应式 ---------- */
@media (max-width:1420px){
  .brand-text span{display:none}
  .nav a,.nav .has-sub>a,.nav .has-sub>span{padding:10px 9px;font-size:15px}
  .header-tel{padding:8px 14px;font-size:15.5px}
}
@media (max-width:1200px){
  .hero h1{font-size:54px}
  .sec-head h2{font-size:34px}
  .casewall{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1020px){
  .site-header{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(20,18,13,.96)}
  body.solid .site-header{background:rgba(17,15,11,.98);box-shadow:none}
  .nav{position:fixed;top:0;right:0;bottom:0;width:min(78vw,340px);background:rgba(17,15,11,.98);flex-direction:column;align-items:stretch;gap:0;padding:110px 34px 40px;transform:translateX(100%);transition:transform .45s cubic-bezier(.2,.7,.2,1);overflow-y:auto;z-index:95}
  .nav.open{transform:none}
  .nav a,.nav .has-sub>a,.nav .has-sub>span{padding:15px 0;font-size:17px;border-bottom:1px solid rgba(207,176,120,.12)}
  .nav .sub{position:static;opacity:1;visibility:visible;transform:none;background:transparent;border:none;box-shadow:none;padding:0 0 6px 18px;display:none}
  .nav .has-sub:hover .sub{display:block}
  .nav .has-sub.open .sub{display:block}
  .nav .has-sub>span::after{margin-left:auto}
  .nav .sub a{border-bottom:none;padding:10px 0;font-size:15px;color:#a89e8c}
  .nav-toggle{display:flex;position:relative;z-index:96;flex-direction:column;justify-content:center;gap:6px;width:48px;height:48px;flex-shrink:0;background:rgba(176,141,87,.16);border:1px solid rgba(207,176,120,.6);border-radius:3px;cursor:pointer;margin-left:auto;padding:0 12px;transition:background .3s,border-color .3s}
  .nav-toggle:hover{background:rgba(176,141,87,.32);border-color:var(--gold)}
  .nav-toggle span{display:block;height:2px;background:var(--gold-light);border-radius:1px;transition:.35s}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .header-tel{margin-left:0}
  .header-inner{gap:14px}
  .pgrid,.caps,.flow,.gallery{grid-template-columns:repeat(2,1fr)}
  .split,.split.rev{grid-template-columns:1fr;gap:40px}
  .split.rev .s-img{order:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{flex-direction:column;text-align:center}
  .cta-tel{text-align:center}
  .stats .grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3)::before{display:none}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .sec{padding:70px 0}
  .hero h1{font-size:34px;letter-spacing:.04em}
  .hero h1 .dot{padding:0 6px}
  .hero .sub{font-size:14px;letter-spacing:.14em}
  .hero .kicker{font-size:11.5px;letter-spacing:.3em}
  .hero-side{display:none}
  .brand-seal{width:44px;height:44px;flex-basis:44px;padding:5px}
  .brand-seal i{font-size:11px}
  .brand-text strong{font-size:16.5px}
  .brand-text strong em{font-size:12px}
  .header-inner{height:72px}
  .header-tel span.txt{display:none}
  .page-head{padding:130px 0 54px}
  .page-head h1{font-size:30px}
  .pgrid,.caps,.flow,.gallery,.casewall{grid-template-columns:1fr}
  .stats .grid{grid-template-columns:repeat(2,1fr)}
  .stat b{font-size:34px}
  .sec-head h2{font-size:26px}
  .quote blockquote{font-size:20px}
  .footer-grid{grid-template-columns:1fr;gap:38px}
  .form-grid{grid-template-columns:1fr}
  .btn{padding:13px 26px;font-size:14px;width:100%;justify-content:center}
  .hero-btns{flex-direction:column;align-items:center}
  .tick{grid-template-columns:1fr}
  .footer-kw a{margin-right:14px}}

/* 超窄屏（≤360px）：压缩页头元素，保证品牌 + 电话 + 菜单按钮一行放下 */
@media (max-width:360px){
  .header-inner{gap:10px}
  .brand{gap:10px}
  .brand-seal{width:40px;height:40px;flex-basis:40px;padding:4px}
  .brand-seal i{font-size:10px}
  .brand-text strong{font-size:15px}
  .nav-toggle{width:44px;height:44px;padding:0 10px}}

/* ============================================================
   v1.2 增补：西服特写版块 + 全站悬停特效
   ============================================================ */

/* ---------- 首页西服特写版块 ---------- */
.feature-card{display:grid;grid-template-columns:1.15fr 1fr;background:#fff;box-shadow:var(--shadow);overflow:hidden;margin-top:30px;position:relative;transition:transform .45s,box-shadow .45s}
.feature-card:hover{transform:translateY(-7px);box-shadow:0 32px 74px rgba(20,18,13,.22)}
.feature-card .fc-img{overflow:hidden;min-height:460px}
.feature-card .fc-img img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.2,.6,.2,1)}
.feature-card:hover .fc-img img{transform:scale(1.06)}
.feature-card .fc-txt{padding:64px 58px;display:flex;flex-direction:column;justify-content:center;position:relative;background:linear-gradient(160deg,#fff 55%,#faf7f0 100%)}
.feature-card .fc-txt::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--gold-light),var(--gold-dark));opacity:0;transition:opacity .45s}
.feature-card:hover .fc-txt::before{opacity:1}
.feature-card h3{font-size:30px;letter-spacing:.03em;margin-bottom:6px}
.feature-card p{font-size:15px;color:var(--text-light);margin-top:12px}
.btn.dark-ghost{color:var(--gold-dark);border-color:var(--gold);background:transparent;align-self:flex-start}
.btn.dark-ghost:hover{background:linear-gradient(135deg,var(--gold-light),var(--gold-dark));color:#14120d;transform:translateY(-2px);box-shadow:0 12px 30px rgba(176,141,87,.3)}
.tick-1col{grid-template-columns:1fr;gap:8px}
@media (max-width:1020px){
  .feature-card{grid-template-columns:1fr}
  .feature-card .fc-img{min-height:300px;order:-1}
  .feature-card .fc-txt{padding:44px 30px}
  .btn.dark-ghost{align-self:stretch;text-align:center}
}

/* ---------- 通用悬停特效：能力卡（壹贰叁） ---------- */
.cap{overflow:hidden;cursor:default}
.cap::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold-light),var(--gold-dark));transition:width .55s cubic-bezier(.2,.7,.2,1)}
.cap:hover{transform:translateY(-8px);box-shadow:0 28px 64px rgba(20,18,13,.18)}
.cap:hover::after{width:100%}
.cap::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 32%,rgba(176,141,87,.14) 50%,transparent 68%);transform:translateX(-130%);transition:transform .9s ease;pointer-events:none;z-index:1}
.cap:hover::before{transform:translateX(130%)}
.cap>*{position:relative;z-index:2}
.cap:hover .no{color:rgba(176,141,87,.4);transform:rotate(-6deg) scale(1.08)}
.cap .no{transition:.5s}

/* ---------- 通用悬停特效：流程步骤 ---------- */
.step{transition:transform .4s}
.step:hover{transform:translateY(-6px)}
.step .cn{display:inline-block;transition:transform .4s,color .4s}
.step:hover .cn{transform:translateY(-4px) scale(1.12);color:var(--gold-light)}
.step h4{transition:color .3s}
.step:hover h4{color:var(--gold-dark)}

/* ---------- 通用悬停特效：客户名块 ---------- */
.casechip{cursor:default}
.casechip::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(176,141,87,.16) 50%,transparent 70%);transform:translateX(-130%);transition:transform .9s ease;pointer-events:none}
.casechip:hover::after{transform:translateX(130%)}
.casechip:hover{color:var(--gold-dark);letter-spacing:.18em}

/* ---------- 通用悬停特效：数字带 ---------- */
.stat{transition:background .4s}
.stat:hover{background:rgba(207,176,120,.06)}
.stat b{transition:color .3s}
.stat:hover b{color:#f0d9ad}

/* ---------- 通用悬停特效：FAQ / 表单 / 导航 / 页脚 ---------- */
.faq summary{transition:color .3s,padding-left .3s}
.faq summary:hover{color:var(--gold-dark);padding-left:34px}
.form-grid input:hover,.form-grid textarea:hover,.form-grid select:hover{border-color:var(--gold)}
.nav .sub a{transition:color .25s,padding-left .25s}
.nav .sub a:hover{padding-left:28px}
.footer-col a{display:inline-block;transition:color .3s,transform .3s}
.footer-col a:hover{color:var(--gold-light);transform:translateX(4px)}
.footer-kw a{position:relative;transition:color .3s;padding-bottom:2px}
.footer-kw a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:width .35s}
.footer-kw a:hover{color:var(--gold-light)}
.footer-kw a:hover::after{width:100%}
.kw-para a{transition:color .3s,background .3s,border-color .3s;padding:0 2px}
.kw-para a:hover{background:rgba(176,141,87,.12);border-bottom-style:solid;color:var(--gold-dark)}
.cta-tel{transition:transform .35s}
.cta-tel:hover{transform:translateX(-6px)}
.crumb a{transition:color .3s}
.crumb a:hover{transform:translateX(2px)}
.gitem figcaption{transition:padding .45s,background .45s}
.gitem:hover figcaption{padding-bottom:24px}

/* ---------- 通用悬停特效：金色按钮扫光 ---------- */
.btn{position:relative;overflow:hidden}
.btn.gold::before,.btn.dark-ghost::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.35) 50%,transparent 65%);transform:translateX(-130%);transition:transform .8s ease}
.btn.gold:hover::before,.btn.dark-ghost:hover::before{transform:translateX(130%)}

/* ============================================================
   v1.7 增补：在产款式实拍四列画廊
   ============================================================ */

/* ============================================================
   v1.8 增补：案例数据 PDF 版块 + 移动端底部一键拨号
   ============================================================ */

/* ---------- 案例数据卡片（真文字动态排版，点击查看完整 PDF） ---------- */
.cdatarow{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:44px}
.cdata{position:relative;display:grid;grid-template-columns:150px 1fr;background:#fff;border:1px solid rgba(20,18,13,.08);overflow:hidden;box-shadow:0 10px 30px rgba(20,18,13,.06);transition:transform .45s,box-shadow .45s}
.cdata::after{content:"";position:absolute;inset:0;border:1px solid transparent;pointer-events:none;transition:border-color .45s;z-index:1}
.cdata:hover{transform:translateY(-8px);box-shadow:0 30px 64px rgba(20,18,13,.2)}
.cdata:hover::after{border-color:var(--gold)}
.cdata .ph{position:relative;overflow:hidden;background:#f5f1ea}
.cdata .ph img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.cdata:hover .ph img{transform:scale(1.07)}
.cdata .bd{padding:22px 24px 20px;display:flex;flex-direction:column;min-width:0}
.cdata h3{font-family:var(--serif);font-size:18.5px;line-height:1.5;color:var(--ink);letter-spacing:.02em;transition:color .35s}
.cdata h3 em{font-style:normal;color:var(--gold-dark);font-size:13px;margin-left:6px;letter-spacing:.05em;white-space:nowrap}
.cdata:hover h3{color:var(--gold-dark)}
.cdata .meta{margin-top:8px;font-size:12.5px;color:#8d8578;letter-spacing:.1em}
.cdata .meta::before{content:"";display:inline-block;width:22px;height:1px;background:var(--gold);vertical-align:middle;margin-right:8px}
.cdata p{margin-top:12px;font-size:13.5px;line-height:1.95;color:#5c554a}
.cdata .nums{margin-top:auto;padding-top:14px;display:flex;gap:32px;border-top:1px dashed rgba(20,18,13,.12)}
.cdata .nums b{display:block;font-family:var(--serif);font-size:23px;line-height:1.2;color:var(--gold-dark);letter-spacing:.02em}
.cdata .nums b.sm{font-size:16.5px;padding-top:5px;letter-spacing:.06em}
.cdata .nums small{display:block;margin-top:4px;font-size:11.5px;color:#8d8578;letter-spacing:.06em}
.cdata:hover .nums b{color:var(--ink);transition:color .35s}
@media (max-width:1020px){.cdatarow{grid-template-columns:1fr;gap:20px}.cdata{grid-template-columns:120px 1fr}.cdata h3{font-size:16.5px}.cdata h3 em{display:block;margin:2px 0 0}.cdata .nums{gap:20px}}

/* ---------- 深色板块金句（品牌愿景）：修复深底文字不可见 + 版式优化 ---------- */
.sec.dark .quote blockquote{color:#f4efe4}
.sec.dark .quote cite{color:#9a9083}
.quote::before{content:"“";display:block;font-family:var(--serif);font-size:72px;line-height:.6;color:var(--gold);opacity:.9;margin-bottom:18px}
.quote blockquote em{color:var(--gold-light)}

/* ---------- 移动端底部一键拨号 ---------- */
.m-dial{display:none}
@media (max-width:1020px){
  .header-tel{display:none}
  .nav-toggle span{width:100%}
  body{padding-bottom:56px}
  .m-dial{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;align-items:center;justify-content:center;gap:10px;height:56px;background:linear-gradient(135deg,var(--gold-light),var(--gold-dark));color:#14120d;font-size:15px;letter-spacing:.1em;box-shadow:0 -8px 24px rgba(20,18,13,.28);text-decoration:none}
  .m-dial b{font-weight:700}
  .m-dial:active{filter:brightness(1.06)}
}

/* v2.1 增补：案例分组标题 */
.csub{display:flex;align-items:baseline;gap:14px;margin:46px 0 6px;padding-top:34px;border-top:1px solid rgba(20,18,13,.1)}
.csub b{font-family:var(--serif);font-size:22px;font-weight:600;color:var(--ink);letter-spacing:.06em}
.csub span{font-size:12px;letter-spacing:.22em;color:var(--gold-dark)}
@media (max-width:1020px){.csub b{font-size:18.5px}}

/* v2.2 增补：页头品牌字号放大（仅页头，页脚不变） */
.site-header .brand-text strong{font-size:27px;letter-spacing:.09em}
.site-header .brand-text strong em{font-size:17px}
.site-header .brand-text>span{font-size:12px;letter-spacing:.16em}
@media (max-width:1020px){
  .site-header .brand-text strong{font-size:20px}
  .site-header .brand-text strong em{font-size:14px}}
@media (max-width:360px){
  .site-header .brand-text strong{font-size:17.5px}
  .site-header .brand-text strong em{font-size:12.5px}}