/* ==========================================================================
   广东省华伟美居家具有限公司 · 官网样式
   设计系统：深炭 + 铜金 + 米白；中文衬线标题 + 黑体正文
   ========================================================================== */

:root{
  --ink:#16181a;
  --ink-2:#22262a;
  --ink-3:#31363b;
  --bronze:#a8814e;      /* 装饰线、边框、深色背景上的文字 */
  --bronze-l:#c6a274;    /* 深色背景上的浅铜金 */
  --bronze-ink:#856340;  /* ⭐浅背景上的铜金「文字」，米白 5.00 / 浅灰 4.54，均达 WCAG AA */
  --paper:#f7f5f2;
  --paper-2:#edeae5;
  --line:#ddd8d1;
  --text:#2b2d30;
  --muted:#666a6f;       /* 米白 5.00 / 浅灰 4.54，均达 WCAG AA */
  --white:#fff;

  --serif:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB",
         "Microsoft YaHei","微软雅黑",sans-serif;

  --wrap:1240px;
  --gut:clamp(20px,5vw,64px);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:var(--paper);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}

/* ---------- 页头 ---------- */
.hd{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(22,24,26,0);
  transition:background .35s ease,box-shadow .35s ease;
}
.hd.solid{background:rgba(22,24,26,.96);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.hd-in{display:flex;align-items:center;justify-content:space-between;
  height:76px;max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.logo{display:flex;align-items:center;gap:11px;color:#fff}
.logo-mark{height:38px;width:auto;flex:0 0 auto;display:block}
.logo-tx{display:flex;flex-direction:column;line-height:1.18}
.logo-tx b{font-family:var(--serif);font-size:20px;letter-spacing:.14em;font-weight:600}
.logo-tx i{font-style:normal;font-size:9.5px;letter-spacing:.3em;
  color:var(--bronze-l);text-transform:uppercase}
@media(max-width:480px){
  .logo-mark{height:32px}
  .logo-tx b{font-size:17px;letter-spacing:.1em}
  .logo-tx i{font-size:8.5px;letter-spacing:.24em}
}

.nav{display:flex;gap:34px;align-items:center}
.nav a{color:rgba(255,255,255,.82);font-size:15px;letter-spacing:.06em;position:relative;padding:6px 0}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--bronze-l);transition:right .3s ease}
.nav a:hover::after,.nav a.on::after{right:0}
.nav a.on{color:#fff}

.burger{display:none;width:34px;height:26px;background:none;border:0;padding:0;cursor:pointer}
.burger i{display:block;height:2px;background:#fff;margin:6px 0;transition:.3s}

/* ---------- 中英文切换 ---------- */
.lang-btn{
  margin-left:28px;padding:6px 14px;cursor:pointer;
  background:none;border:1px solid rgba(255,255,255,.32);
  color:rgba(255,255,255,.86);font-family:var(--sans);
  font-size:12.5px;letter-spacing:.14em;line-height:1.6;
  transition:border-color .3s,color .3s,background .3s;white-space:nowrap
}
.lang-btn:hover{border-color:var(--bronze-l);color:var(--bronze-l)}
/* 英文版：西文行距与字距按拉丁文重排，避免中文字距撑散 */
html[data-lang="en"] .logo span,
html[data-lang="en"] .eyebrow,
html[data-lang="en"] .hero-tag{letter-spacing:.18em}
html[data-lang="en"] .h2,
html[data-lang="en"] .hero h1,
html[data-lang="en"] .phd h1,
html[data-lang="en"] .cta h2{letter-spacing:.01em}
html[data-lang="en"] .stat span{letter-spacing:.06em;font-size:11.5px}
html[data-lang="en"] .cert i{letter-spacing:.02em}

/* ---------- 通用区块 ---------- */
.sec{padding:clamp(64px,9vw,120px) 0}
.sec-dark{background:var(--ink);color:#fff}
.sec-paper2{background:var(--paper-2)}

.eyebrow{font-size:12px;letter-spacing:.34em;color:var(--bronze-ink);
  text-transform:uppercase;margin:0 0 14px}
.sec-dark .eyebrow{color:var(--bronze-l)}

.h2{font-family:var(--serif);font-weight:600;
  font-size:clamp(26px,3.4vw,40px);letter-spacing:.04em;margin:0 0 18px;line-height:1.4}
.lead{max-width:62ch;color:var(--muted);margin:0 0 40px;font-size:15.5px}
.sec-dark .lead{color:rgba(255,255,255,.66)}

.rule{width:44px;height:2px;background:var(--bronze);margin:0 0 26px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;
  padding:14px 30px;border:1px solid var(--bronze-ink);color:var(--bronze-ink);
  font-size:14px;letter-spacing:.1em;transition:.3s;background:none;cursor:pointer}
.btn:hover{background:var(--bronze-ink);color:#fff}
.btn-fill{background:var(--bronze-ink);border-color:var(--bronze-ink);color:#fff}
.btn-fill:hover{background:#6f5334;border-color:#6f5334}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:min(92vh,820px);display:flex;align-items:flex-end;
  color:#fff;overflow:hidden;background:var(--ink)}
.hero-bg{position:absolute;inset:0;overflow:hidden}
/* 轮播：多图叠放交叉淡入 */
.hero-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity 1.5s cubic-bezier(.4,0,.2,1)}
.hero-slide.is-on{opacity:.82}
/* JS 不可用时至少显示第一张（:where 保持低特异性，绝不压过 .is-on） */
html:not(.js) :where(.hero-slide:first-of-type){opacity:.82}
.hero-bg::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(15,17,19,.62) 0%,rgba(15,17,19,.16) 38%,rgba(15,17,19,.9) 100%)}

/* 轮播指示条 */
.hero-dots{position:absolute;z-index:3;right:var(--gut);bottom:clamp(56px,8vw,96px);
  display:flex;gap:9px}
.hero-dot{width:30px;height:2px;padding:0;border:0;cursor:pointer;
  background:rgba(255,255,255,.32);transition:background .4s ease,width .4s ease}
.hero-dot:hover{background:rgba(255,255,255,.6)}
.hero-dot.on{background:var(--bronze-l);width:46px}
@media(max-width:720px){.hero-dots{left:var(--gut);right:auto;bottom:20px}}
.hero-in{position:relative;z-index:2;width:100%;max-width:var(--wrap);
  margin:0 auto;padding:0 var(--gut) clamp(56px,8vw,96px)}
.hero h1{font-family:var(--serif);font-weight:600;margin:0 0 22px;
  font-size:clamp(31px,5.4vw,60px);line-height:1.28;letter-spacing:.05em;
  text-shadow:0 2px 24px rgba(0,0,0,.4)}
.hero p{max-width:44ch;color:rgba(255,255,255,.9);font-size:clamp(15px,1.6vw,17px);
  margin:0 0 34px;text-shadow:0 1px 12px rgba(0,0,0,.55)}
.hero-tag{display:inline-block;font-size:12px;letter-spacing:.3em;color:var(--bronze-l);
  border:1px solid rgba(198,162,116,.5);padding:7px 16px;margin:0 0 26px;
  background:rgba(15,17,19,.5);backdrop-filter:blur(6px)}

/* ---------- 数据条 ---------- */
.stats{background:var(--ink-2);color:#fff;border-top:1px solid rgba(255,255,255,.07)}
.stats-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.stat{padding:36px 12px;text-align:center;border-right:1px solid rgba(255,255,255,.07)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--serif);font-size:clamp(28px,3.6vw,40px);
  color:var(--bronze-l);line-height:1.1;font-weight:600}
.stat b i{font-size:.5em;font-style:normal;margin-left:3px;letter-spacing:.05em}
.stat span{display:block;font-size:12.5px;color:rgba(255,255,255,.6);
  margin-top:9px;letter-spacing:.12em}

/* ---------- 双栏业务 ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:0}
.duo-card{position:relative;min-height:460px;display:flex;align-items:flex-end;
  overflow:hidden;color:#fff}
.duo-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform 1.1s cubic-bezier(.2,.7,.3,1)}
.duo-card::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,17,19,.15),rgba(15,17,19,.86))}
.duo-card:hover img{transform:scale(1.05)}
.duo-txt{position:relative;z-index:2;padding:clamp(28px,4vw,48px)}
.duo-txt h3{font-family:var(--serif);font-size:clamp(22px,2.6vw,29px);
  margin:0 0 12px;letter-spacing:.05em;font-weight:600}
.duo-txt p{margin:0 0 20px;color:rgba(255,255,255,.76);font-size:14.5px;max-width:36ch}
.duo-txt .more{font-size:13.5px;letter-spacing:.16em;color:var(--bronze-l);
  border-bottom:1px solid rgba(198,162,116,.5);padding-bottom:4px}

/* ---------- 案例网格 ---------- */
.grid{display:grid;gap:clamp(16px,2vw,26px)}
.g3{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.g4{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}

.card{background:#fff;overflow:hidden;transition:.4s;
  box-shadow:0 1px 3px rgba(0,0,0,.05)}
.card:hover{box-shadow:0 14px 40px rgba(0,0,0,.13);transform:translateY(-4px)}
.card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.2,.7,.3,1)}
.card:hover .card-img img{transform:scale(1.06)}
.card-body{padding:20px 22px 24px}
.card-body h4{font-family:var(--serif);font-size:17.5px;margin:0 0 8px;
  font-weight:600;letter-spacing:.03em;line-height:1.5}
.card-meta{font-size:12.5px;color:var(--muted);letter-spacing:.06em}
.star{color:var(--bronze-ink);letter-spacing:.1em;font-size:11px}

/* ---------- 能力清单 ---------- */
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:clamp(20px,3vw,44px)}
.feat-i{border-top:2px solid var(--bronze);padding-top:22px}
.feat-i h4{font-family:var(--serif);font-size:18px;margin:0 0 10px;font-weight:600;letter-spacing:.04em}
.feat-i p{margin:0;color:var(--muted);font-size:14.5px}
.sec-dark .feat-i p{color:rgba(255,255,255,.62)}

/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:14.5px}
.tbl th,.tbl td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line)}
.tbl th{font-weight:600;color:var(--ink);background:var(--paper-2);
  font-size:13px;letter-spacing:.1em}
.tbl tbody tr:hover{background:#fff}
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---------- 时间轴 ---------- */
.tl{position:relative;padding-left:34px}
.tl::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:var(--line)}
.sec-dark .tl::before{background:rgba(255,255,255,.16)}
.tl-i{position:relative;padding-bottom:38px}
.tl-i:last-child{padding-bottom:0}
.tl-i::before{content:"";position:absolute;left:-31px;top:9px;width:9px;height:9px;
  border-radius:50%;background:var(--bronze)}
.tl-y{font-family:var(--serif);font-size:22px;color:var(--bronze);
  letter-spacing:.06em;margin:0 0 6px;font-weight:600}
.tl-i p{margin:0;font-size:14.5px;color:var(--muted);max-width:60ch}
.sec-dark .tl-i p{color:rgba(255,255,255,.64)}

/* ---------- 资质 ---------- */
.certs{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.cert{border:1px solid var(--line);background:#fff;padding:20px 18px;
  font-size:14px;letter-spacing:.04em;transition:.3s}
.cert:hover{border-color:var(--bronze);color:var(--bronze)}
.cert i{display:block;font-style:normal;font-size:11px;color:var(--muted);
  margin-top:5px;letter-spacing:.08em}

/* ---------- CTA ---------- */
.cta{background:var(--ink);color:#fff;text-align:center;
  padding:clamp(64px,9vw,110px) 0}
.cta h2{font-family:var(--serif);font-size:clamp(24px,3.4vw,38px);
  margin:0 0 16px;letter-spacing:.05em;font-weight:600}
.cta p{color:rgba(255,255,255,.66);max-width:52ch;margin:0 auto 34px;font-size:15.5px}

/* ---------- 页脚 ---------- */
.ft{background:#101214;color:rgba(255,255,255,.56);font-size:13.5px;
  padding:60px 0 30px}
.ft-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.09)}
.ft h5{color:#fff;font-size:14px;margin:0 0 16px;letter-spacing:.14em;font-weight:600}
.ft ul{list-style:none;margin:0;padding:0}
.ft li{margin-bottom:9px}
.ft a:hover{color:var(--bronze-l)}
.ft-logo img{height:46px;width:auto;display:block;margin-bottom:14px}
.ft-logo b{font-family:var(--serif);font-size:19px;color:#fff;
  letter-spacing:.14em;display:block;margin-bottom:4px}
.ft-logo span{font-size:10px;letter-spacing:.3em;color:var(--bronze-l);text-transform:uppercase}
/* 页脚联系方式：电话邮箱可点 */
.ft-contact li{margin-bottom:11px}
.ft-contact a{color:rgba(255,255,255,.72);border-bottom:1px solid rgba(255,255,255,.18);
  padding-bottom:2px;transition:.3s}
.ft-contact a:hover{color:var(--bronze-l);border-color:var(--bronze-l)}
.ft-contact b{color:#fff;font-weight:600;margin-right:8px;font-size:13px}
/* 香港节点无备案号，底部只剩版权一行，居中显示；恢复备案号后两条并排仍然居中 */
.ft-btm{padding-top:24px;display:flex;justify-content:center;
  flex-wrap:wrap;gap:6px 20px;text-align:center;
  font-size:12.5px;color:rgba(255,255,255,.55)}

/* ---------- 内页头 ---------- */
.phd{background:var(--ink);color:#fff;padding:150px 0 clamp(50px,7vw,84px);
  position:relative;overflow:hidden}
.phd-bg{position:absolute;inset:0;opacity:.3}
.phd-bg img{width:100%;height:100%;object-fit:cover}
.phd-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,17,19,.86),rgba(15,17,19,.72))}
.phd .wrap{position:relative;z-index:2}
.phd h1{font-family:var(--serif);font-size:clamp(27px,4.2vw,44px);
  margin:0 0 14px;letter-spacing:.06em;font-weight:600}
.phd p{color:rgba(255,255,255,.68);max-width:56ch;margin:0;font-size:15.5px}
.crumb{font-size:12.5px;color:rgba(255,255,255,.44);margin:0 0 18px;letter-spacing:.08em}
.crumb a:hover{color:var(--bronze-l)}

/* ---------- 图册 ---------- */
.book{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.book a{display:block;background:#fff;overflow:hidden;border:1px solid var(--line);transition:.3s}
.book a:hover{border-color:var(--bronze);box-shadow:0 10px 30px rgba(0,0,0,.1)}
.book img{width:100%;height:auto}

/* ---------- 灯箱 ---------- */
.lb{position:fixed;inset:0;z-index:300;background:rgba(10,11,12,.94);
  display:none;align-items:center;justify-content:center;padding:24px}
.lb.on{display:flex}
.lb img{max-width:94vw;max-height:88vh;object-fit:contain;box-shadow:0 20px 70px rgba(0,0,0,.6)}
.lb-x{position:absolute;top:18px;right:24px;color:#fff;font-size:34px;
  background:none;border:0;cursor:pointer;line-height:1;opacity:.7}
.lb-x:hover{opacity:1}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);color:#fff;
  background:none;border:0;font-size:44px;cursor:pointer;opacity:.55;padding:12px 18px}
.lb-nav:hover{opacity:1}
.lb-prev{left:10px}.lb-next{right:10px}
.lb-cap{position:absolute;bottom:20px;left:0;right:0;text-align:center;
  color:rgba(255,255,255,.7);font-size:13.5px;letter-spacing:.08em}

/* ---------- 入场动画 ----------
   只在 JS 可用时隐藏，避免脚本失效或搜索引擎抓取时整页空白 */
html.js .rv{opacity:0;transform:translateY(26px);
  transition:opacity .85s cubic-bezier(.2,.7,.3,1),transform .85s cubic-bezier(.2,.7,.3,1)}
html.js .rv.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media(max-width:900px){
  .duo{grid-template-columns:1fr}
  .duo-card{min-height:340px}
  .ft-top{grid-template-columns:1fr 1fr;gap:32px}
  .stat{padding:26px 10px}
  .stat:nth-child(2n){border-right:0}
}
@media(max-width:720px){
  .nav{position:fixed;inset:76px 0 auto;background:rgba(22,24,26,.985);
    flex-direction:column;gap:0;padding:10px 0 22px;
    transform:translateY(-130%);transition:transform .38s cubic-bezier(.2,.7,.3,1);
    border-top:1px solid rgba(255,255,255,.08)}
  .nav.open{transform:none}
  .nav a{padding:15px var(--gut);width:100%;font-size:16px}
  .nav a::after{display:none}
  .burger{display:block}
  .lang-btn{margin-left:auto;margin-right:16px;padding:5px 11px;font-size:12px}
  .hd{background:rgba(22,24,26,.96)}
  .ft-top{grid-template-columns:1fr}
  .stats-in{grid-template-columns:1fr 1fr}
  .hero{min-height:78vh}
  .lb-nav{font-size:30px;padding:8px 10px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html.js .rv{opacity:1;transform:none}
}