/* ============================================================
   贝莱娅家居 Belleacasa Home — 视觉系统
   Design tokens / Layout / Components / Detail / Responsive
   ============================================================ */

:root{
  --ink:#0d0d0f;
  --ink-2:#17171a;
  --ink-3:#242428;
  --paper:#f7f5f1;
  --paper-2:#efece6;
  --white:#fff;
  --gold:#b08d57;
  --gold-l:#c9a970;
  --mute:#7c7a75;
  --mute-2:#a8a59e;
  --line:rgba(13,13,15,.12);
  --line-w:rgba(255,255,255,.16);

  /* 字体：全站不嵌入任何商业字体文件，仅按优先级调用用户系统内置的开源/系统字体（思源黑体、苹方、系统黑体），
     不打包、不分发字体二进制，规避字体商用授权风险；如需统一字形，可自行引入思源黑体（SIL OFL 1.1，免费可商用）。 */
  --f-zh:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --f-en:"Helvetica Neue",Helvetica,Arial,sans-serif;

  --pad:clamp(20px,5vw,72px);
  --maxw:1560px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-io:cubic-bezier(.65,.05,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--f-zh);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,figure,ul{margin:0;padding:0;}
ul{list-style:none;}
::selection{background:var(--gold);color:#fff;}

/* 滚动条 */
::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-thumb{background:rgba(13,13,15,.22);border-radius:8px;}
::-webkit-scrollbar-track{background:transparent;}

/* ---------- 通用排版 ---------- */
.app{display:block;min-height:56vh;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);}
.eyebrow{
  font-family:var(--f-en);font-size:11px;letter-spacing:.34em;text-transform:uppercase;
  color:var(--gold);display:flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold);}
.ttl{
  font-size:clamp(30px,4.4vw,60px);line-height:1.16;font-weight:600;
  letter-spacing:.02em;
}
.ttl--sm{font-size:clamp(22px,2.6vw,34px);}
.lede{color:var(--mute);font-size:clamp(14px,1.15vw,17px);line-height:1.9;max-width:62ch;}
.num-tag{font-family:var(--f-en);font-size:12px;letter-spacing:.24em;color:var(--mute-2);}
.hr{height:1px;background:var(--line);border:0;margin:0;}

.btn{
  display:inline-flex;align-items:center;gap:14px;
  padding:16px 30px;border:1px solid var(--ink);color:var(--ink);
  font-size:13px;letter-spacing:.16em;position:relative;overflow:hidden;
  transition:color .45s var(--ease),border-color .45s var(--ease);
}
.btn span{position:relative;z-index:2;}
.btn::before{
  content:"";position:absolute;inset:0;background:var(--ink);
  transform:translateY(101%);transition:transform .5s var(--ease);z-index:1;
}
.btn:hover{color:#fff;}
.btn:hover::before{transform:translateY(0);}
.btn--light{border-color:rgba(255,255,255,.5);color:#fff;}
.btn--light::before{background:#fff;}
.btn--light:hover{color:var(--ink);}
.btn--gold{border-color:var(--gold);color:var(--gold);}
.btn--gold::before{background:var(--gold);}
.btn--gold:hover{color:#fff;}

.link-more{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.14em;
  color:var(--ink);padding-bottom:6px;border-bottom:1px solid var(--line);
  transition:gap .35s var(--ease),border-color .35s var(--ease),color .35s var(--ease);
}
.link-more:hover{gap:20px;color:var(--gold);border-color:var(--gold);}

/* ---------- 加载态 ---------- */
.boot{
  position:fixed;inset:0;z-index:9999;background:var(--ink);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .7s var(--ease),visibility .7s;
}
.boot.is-done{opacity:0;visibility:hidden;}
.boot__inner{text-align:center;}
.boot__mark{
  font-size:26px;letter-spacing:.5em;color:#fff;opacity:.9;margin-bottom:26px;
  text-indent:.5em;
}
.boot__bar{width:160px;height:1px;background:rgba(255,255,255,.2);margin:0 auto;overflow:hidden;}
.boot__bar i{display:block;height:100%;width:40%;background:var(--gold);animation:boot 1.1s var(--ease-io) infinite;}
@keyframes boot{0%{transform:translateX(-100%);}100%{transform:translateX(350%);}}

/* ---------- 顶栏 ---------- */
.hdr{
  position:fixed;top:0;left:0;right:0;z-index:900;
  transition:background .5s var(--ease),border-color .5s var(--ease),transform .5s var(--ease);
  border-bottom:1px solid transparent;
}
.hdr__in{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);
  height:clamp(64px,5.4vw,88px);display:flex;align-items:center;gap:32px;
}
.hdr.is-solid{
  background:rgba(247,245,241,.86);backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line);
}
.hdr.is-dark{color:#fff;}
.hdr.is-dark.is-solid{background:rgba(13,13,15,.72);border-bottom-color:var(--line-w);}
.hdr.is-hide{transform:translateY(-100%);}

.logo{display:flex;align-items:baseline;gap:10px;flex-shrink:0;}
.logo__zh{font-size:21px;font-weight:600;letter-spacing:.22em;}
.logo__en{font-family:var(--f-en);font-size:9.5px;letter-spacing:.3em;color:var(--mute);transition:color .4s;}
.hdr.is-dark .logo__en{color:var(--mute-2);}

.nav{margin-left:auto;display:flex;align-items:center;gap:clamp(18px,2.2vw,40px);}
.nav__a{
  font-size:14px;letter-spacing:.12em;position:relative;padding:6px 0;
  transition:color .35s var(--ease);
}
.nav__a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:currentColor;transition:right .45s var(--ease);
}
.nav__a:hover::after,.nav__a.is-on::after{right:0;}
.nav__a.is-on{color:var(--gold);}

.hdr__right{display:flex;align-items:center;gap:22px;margin-left:8px;}
.tel{display:flex;flex-direction:column;line-height:1.3;text-align:right;}
.tel__k{font-size:9.5px;letter-spacing:.24em;color:var(--mute);}
.tel__v{font-family:var(--f-en);font-size:15px;letter-spacing:.06em;}

.burger{display:none;width:34px;height:34px;position:relative;}
.burger i{
  position:absolute;left:5px;right:5px;height:1px;background:currentColor;
  transition:transform .4s var(--ease),opacity .3s;
}
.burger i:first-child{top:14px;}
.burger i:last-child{top:20px;}
.burger.is-on i:first-child{transform:translateY(3px) rotate(45deg);}
.burger.is-on i:last-child{transform:translateY(-3px) rotate(-45deg);}

/* ---------- 移动菜单 ---------- */
.mnav{
  position:fixed;inset:0;z-index:880;background:var(--ink);color:#fff;
  padding:clamp(96px,16vh,150px) var(--pad) 48px;
  display:flex;flex-direction:column;justify-content:space-between;
  clip-path:circle(0% at calc(100% - 40px) 40px);
  transition:clip-path .8s var(--ease-io);pointer-events:none;
}
.mnav.is-on{clip-path:circle(150% at calc(100% - 40px) 40px);pointer-events:auto;}
.mnav__list{display:flex;flex-direction:column;gap:6px;}
.mnav__a{
  display:block;font-size:clamp(26px,7vw,40px);font-weight:500;letter-spacing:.06em;
  padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);
  opacity:0;transform:translateY(24px);
  transition:opacity .6s var(--ease),transform .6s var(--ease),color .3s;
}
.mnav.is-on .mnav__a{opacity:1;transform:none;}
.mnav__a.is-on{color:var(--gold);}
.mnav__a small{display:block;font-family:var(--f-en);font-size:10px;letter-spacing:.3em;color:var(--mute-2);margin-top:6px;}
.mnav__foot{opacity:0;transition:opacity .6s .3s var(--ease);}
.mnav.is-on .mnav__foot{opacity:1;}
.mnav__tel{font-family:var(--f-en);font-size:22px;letter-spacing:.08em;color:var(--gold);}
.mnav__addr{font-size:13px;color:var(--mute-2);margin-top:8px;}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;height:100svh;min-height:560px;background:var(--ink);overflow:hidden;}
.hero__slides{position:absolute;inset:0;}
.hero__sl{
  position:absolute;inset:0;opacity:0;transition:opacity 1.4s var(--ease);
}
.hero__sl.is-on{opacity:1;}
.hero__sl img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);}
.hero__sl.is-on img{animation:kb 9s linear forwards;}
@keyframes kb{from{transform:scale(1.06);}to{transform:scale(1.16);}}
.hero__sl::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,8,10,.82) 0%,rgba(8,8,10,.45) 45%,rgba(8,8,10,.18) 100%);
}
.hero__in{
  position:relative;z-index:3;height:100%;max-width:var(--maxw);margin:0 auto;
  padding:0 var(--pad) clamp(56px,9vh,110px);
  display:flex;flex-direction:column;justify-content:flex-end;color:#fff;
}
.hero__eyebrow{
  font-family:var(--f-en);font-size:11px;letter-spacing:.4em;text-transform:uppercase;
  color:var(--gold-l);margin-bottom:clamp(18px,3vh,34px);
}
.hero__ttl{
  font-size:clamp(34px,6.2vw,86px);line-height:1.1;font-weight:600;letter-spacing:.01em;
  max-width:16ch;
}
.hero__ttl em{font-style:normal;color:var(--gold-l);}
.hero__sub{
  margin-top:clamp(18px,3vh,30px);font-size:clamp(13px,1.2vw,17px);
  color:rgba(255,255,255,.72);letter-spacing:.06em;max-width:44ch;
}
.hero__cta{margin-top:clamp(26px,4vh,44px);display:flex;gap:16px;flex-wrap:wrap;}
/* 深色 Hero 内的默认按钮需反白 */
.hero__cta .btn:not(.btn--light):not(.btn--gold){border-color:rgba(255,255,255,.45);color:#fff;}
.hero__cta .btn--gold{border-color:var(--gold-l);color:var(--gold-l);}
.hero__cta .btn--gold::before{background:var(--gold-l);}
.hero__cta .btn--gold:hover{color:var(--ink);}

.hero__bar{
  position:absolute;left:0;right:0;bottom:0;z-index:4;
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad) clamp(20px,3vh,34px);
  display:flex;align-items:center;justify-content:space-between;gap:24px;color:#fff;
}
.hero__dots{display:flex;gap:14px;}
.hero__dot{
  width:46px;height:2px;background:rgba(255,255,255,.28);position:relative;overflow:hidden;
}
.hero__dot i{
  position:absolute;inset:0;background:var(--gold-l);transform:scaleX(0);transform-origin:left;
}
.hero__dot.is-on i{animation:dot var(--dur,6s) linear forwards;}
@keyframes dot{from{transform:scaleX(0);}to{transform:scaleX(1);}}
.hero__idx{font-family:var(--f-en);font-size:12px;letter-spacing:.22em;color:rgba(255,255,255,.6);}
.hero__scroll{
  display:flex;align-items:center;gap:10px;font-family:var(--f-en);
  font-size:10px;letter-spacing:.3em;color:rgba(255,255,255,.6);
}
.hero__scroll i{display:block;width:1px;height:36px;background:rgba(255,255,255,.3);position:relative;overflow:hidden;}
.hero__scroll i::after{content:"";position:absolute;inset:0;background:var(--gold-l);animation:sc 2.2s var(--ease-io) infinite;}
@keyframes sc{0%{transform:translateY(-100%);}60%,100%{transform:translateY(100%);}}

/* ============================================================
   通用 section
   ============================================================ */
.sec{padding:clamp(72px,11vh,150px) 0;position:relative;}
.sec--tight{padding:clamp(56px,8vh,100px) 0;}
.sec--dark{background:var(--ink);color:#fff;}
.sec--dark .lede{color:var(--mute-2);}
.sec--dark .eyebrow{color:var(--gold-l);}
.sec--dark .hr{background:var(--line-w);}

.sec__head{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);
  gap:clamp(24px,4vw,64px);align-items:end;margin-bottom:clamp(40px,6vh,72px);
}
.sec__head-l{min-width:0;}
.sec__head .ttl{margin-top:18px;}
.sec__head-r{padding-bottom:6px;}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:clamp(26px,4vh,46px) clamp(16px,2vw,34px);border-left:1px solid var(--line);}
.stat:first-child{border-left:0;}
.stat__v{
  font-family:var(--f-en);font-size:clamp(34px,4.4vw,62px);line-height:1;
  font-weight:300;letter-spacing:-.01em;
}
.stat__v sup{font-size:.34em;vertical-align:super;color:var(--gold);letter-spacing:0;}
.stat__l{margin-top:14px;font-size:13px;letter-spacing:.16em;color:var(--mute);}
.sec--dark .stats{border-color:var(--line-w);}
.sec--dark .stat{border-left-color:var(--line-w);}

/* ---------- 关于（首页） ---------- */
.abt{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,5vw,90px);align-items:center;}
.abt__media{position:relative;}
.abt__img{overflow:hidden;position:relative;}
.abt__img img{width:100%;height:clamp(320px,52vh,620px);object-fit:cover;transition:transform 1.2s var(--ease);}
.abt__img:hover img{transform:scale(1.04);}
.abt__badge{
  position:absolute;right:-1px;bottom:-1px;background:var(--ink);color:#fff;
  padding:22px 28px;max-width:230px;
}
.abt__badge b{display:block;font-family:var(--f-en);font-size:30px;font-weight:400;color:var(--gold-l);}
.abt__badge span{font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.6);}
.abt__body p{margin-bottom:20px;color:var(--mute);line-height:2;letter-spacing:.02em;}
.sec--dark .abt__body p{color:var(--mute-2);}
.abt__sign{margin-top:34px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;letter-spacing:.2em;color:var(--mute);}
.sec--dark .abt__sign{border-color:var(--line-w);}

/* ---------- 工艺卡 ---------- */
.crafts{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);}
.craft{
  background:var(--paper);padding:clamp(26px,3vw,44px) clamp(20px,2vw,34px);
  display:flex;flex-direction:column;min-height:clamp(260px,32vh,360px);
  position:relative;transition:background .5s var(--ease);cursor:pointer;
}
.craft::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease);
}
.craft:hover{background:var(--white);}
.craft:hover::after{transform:scaleX(1);}
.craft__no{font-family:var(--f-en);font-size:12px;letter-spacing:.2em;color:var(--gold);}
.craft__ico{
  width:52px;height:52px;margin:26px 0 auto;
  display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;
  transition:border-color .5s var(--ease),transform .6s var(--ease);
}
.craft__ico svg{width:22px;height:22px;stroke:var(--ink);stroke-width:1.1;fill:none;}
.craft:hover .craft__ico{border-color:var(--gold);transform:translateY(-4px);}
.craft__t{font-size:clamp(17px,1.5vw,21px);font-weight:600;letter-spacing:.05em;margin-bottom:8px;}
.craft__d{font-size:13px;color:var(--mute);line-height:1.8;}
.craft__go{margin-top:18px;font-family:var(--f-en);font-size:11px;letter-spacing:.24em;color:var(--mute-2);}

/* ---------- 案例横向画廊 ---------- */
.rail{
  display:flex;gap:clamp(16px,2vw,32px);overflow-x:auto;scroll-snap-type:x mandatory;
  padding:0 var(--pad) 8px;margin:0 calc(var(--pad) * -1);scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.card{
  flex:0 0 clamp(280px,34vw,480px);scroll-snap-align:start;cursor:pointer;
}
.card__img{position:relative;overflow:hidden;aspect-ratio:4/5;background:var(--paper-2);}
.card__img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 1.1s var(--ease),filter .8s var(--ease);
}
.card:hover .card__img img{transform:scale(1.07);}
.card__img::after{
  content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(8,8,10,.5),transparent 55%);
  opacity:0;transition:opacity .6s var(--ease);
}
.card:hover .card__img::after{opacity:1;}
.card__tag{
  position:absolute;left:16px;top:16px;z-index:2;background:rgba(255,255,255,.92);
  padding:6px 12px;font-size:10px;letter-spacing:.2em;color:var(--ink);
}
.card__meta{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;padding:20px 2px 0;}
.card__t{font-size:clamp(16px,1.35vw,20px);font-weight:600;letter-spacing:.04em;}
.card__s{margin-top:6px;font-family:var(--f-en);font-size:10.5px;letter-spacing:.24em;color:var(--mute-2);text-transform:uppercase;}
.card__ar{
  flex-shrink:0;width:38px;height:38px;border:1px solid var(--line);border-radius:50%;
  display:grid;place-items:center;font-size:15px;color:var(--mute);
  transition:background .45s var(--ease),color .45s var(--ease),border-color .45s var(--ease);
}
.card:hover .card__ar{background:var(--ink);color:#fff;border-color:var(--ink);}
.rail-hint{
  display:flex;align-items:center;gap:14px;margin-top:clamp(24px,3vh,40px);
  font-family:var(--f-en);font-size:10px;letter-spacing:.26em;color:var(--mute-2);
}
.rail-hint .bar{flex:1;height:1px;background:var(--line);position:relative;}
.rail-hint .bar i{
  position:absolute;top:0;left:0;height:1px;background:var(--ink);width:26%;
  transition:transform .3s linear;
}

/* ---------- 案例网格（栏目页） ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.6vw,44px) clamp(16px,2vw,32px);}
.grid .card{flex:none;}
.grid--2{grid-template-columns:repeat(2,1fr);}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:clamp(30px,4vh,52px);}
.fbtn{
  padding:9px 20px;border:1px solid var(--line);font-size:13px;letter-spacing:.1em;color:var(--mute);
  transition:all .4s var(--ease);border-radius:999px;
}
.fbtn:hover{border-color:var(--ink);color:var(--ink);}
.fbtn.is-on{background:var(--ink);border-color:var(--ink);color:#fff;}

/* ---------- 新闻列表 ---------- */
.nlist{border-top:1px solid var(--line);}
.nitem{
  display:grid;grid-template-columns:170px 1fr auto;gap:clamp(16px,3vw,48px);
  align-items:center;padding:clamp(22px,3vh,36px) 0;border-bottom:1px solid var(--line);
  cursor:pointer;position:relative;transition:padding .5s var(--ease);
}
.nitem::before{
  content:"";position:absolute;left:calc(var(--pad) * -1);right:calc(var(--pad) * -1);top:0;bottom:0;
  background:var(--white);opacity:0;transition:opacity .5s var(--ease);z-index:-1;
}
.nitem:hover{padding-left:20px;padding-right:20px;}
.nitem:hover::before{opacity:1;}
.nitem__d{font-family:var(--f-en);font-size:13px;letter-spacing:.12em;color:var(--mute-2);}
.nitem__d b{display:block;font-size:26px;font-weight:400;color:var(--ink);letter-spacing:0;}
.nitem__t{font-size:clamp(16px,1.5vw,21px);font-weight:500;letter-spacing:.03em;line-height:1.5;}
.nitem__x{margin-top:8px;font-size:13px;color:var(--mute);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.nitem__ar{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;transition:all .45s var(--ease);}
.nitem:hover .nitem__ar{background:var(--gold);border-color:var(--gold);color:#fff;transform:rotate(-45deg);}

/* 首页新闻：头条 + 列表 */
.nhome{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(30px,4vw,72px);align-items:start;}
.nlead{cursor:pointer;}
.nlead__img{overflow:hidden;aspect-ratio:16/10;background:var(--paper-2);}
.nlead__img img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);}
.nlead:hover .nlead__img img{transform:scale(1.05);}
.nlead__b{padding-top:22px;}
.nlead__d{font-family:var(--f-en);font-size:12px;letter-spacing:.16em;color:var(--gold);}
.nlead__t{margin-top:10px;font-size:clamp(19px,2.1vw,28px);font-weight:600;line-height:1.45;}
.nlead__x{margin-top:12px;color:var(--mute);font-size:14px;line-height:1.9;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.nside{border-top:1px solid var(--line);}
.nside__i{
  display:flex;gap:20px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line);
  cursor:pointer;transition:padding .4s var(--ease),color .4s var(--ease);
}
.nside__i:hover{padding-left:12px;color:var(--gold);}
.nside__d{font-family:var(--f-en);font-size:12px;color:var(--mute-2);letter-spacing:.1em;flex-shrink:0;}
.nside__t{font-size:15px;line-height:1.6;}

/* ---------- 合作品牌 ---------- */
.brands{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);
}
.brand{
  background:var(--paper);aspect-ratio:16/9;display:grid;place-items:center;
  transition:background .5s var(--ease);
}
.brand:hover{background:var(--white);}
.brand__n{
  font-family:var(--f-en);font-size:15px;letter-spacing:.24em;color:var(--mute);
  transition:color .5s var(--ease),letter-spacing .5s var(--ease);text-align:center;padding:0 12px;
}
.brand:hover .brand__n{color:var(--ink);letter-spacing:.3em;}
.brand__n small{display:block;font-size:9.5px;letter-spacing:.2em;color:var(--mute-2);margin-top:8px;}
.sec--dark .brands{background:var(--line-w);border-color:var(--line-w);}
.sec--dark .brand{background:var(--ink);}
.sec--dark .brand__n{color:var(--mute-2);}
.sec--dark .brand:hover .brand__n{color:#fff;}

/* ---------- CTA / 表单 ---------- */
.cta{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,90px);align-items:center;}
.cta__t{font-size:clamp(28px,4vw,54px);line-height:1.2;font-weight:600;}
.cta__x{margin-top:20px;color:var(--mute-2);font-size:15px;line-height:2;}
.form{display:grid;gap:20px;}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{position:relative;}
.field input,.field textarea{
  width:100%;background:transparent;border:0;border-bottom:1px solid var(--line-w);
  padding:14px 0;color:#fff;font-size:15px;outline:none;transition:border-color .4s var(--ease);
}
.field textarea{resize:vertical;min-height:96px;}
.field label{
  position:absolute;left:0;top:14px;font-size:14px;color:var(--mute-2);pointer-events:none;
  transition:all .35s var(--ease);
}
.field input:focus+label,.field textarea:focus+label,
.field.is-fill label{top:-12px;font-size:11px;letter-spacing:.18em;color:var(--gold-l);}
.field input:focus,.field textarea:focus{border-color:var(--gold-l);}
.field .req{color:var(--gold-l);}
.form__tip{font-size:12px;color:var(--mute-2);letter-spacing:.06em;}
.form__ok{
  display:none;padding:14px 18px;border:1px solid var(--gold-l);color:var(--gold-l);
  font-size:13px;letter-spacing:.1em;
}
.form.is-sent .form__ok{display:block;}
/* 提交成功后:隐藏输入区、提示、错误、提交按钮,仅显示成功提示 */
.form.is-sent .frow,
.form.is-sent .field,
.form.is-sent .form__tip,
.form.is-sent .form__err,
.form.is-sent .btn{display:none !important;}
/* 表单校验错误提示 */
.field__err{display:none;margin:6px 0 0;font-size:12px;color:#c96a6a;letter-spacing:.04em;line-height:1.4;}
.form__err{
  margin:4px 0 0;padding:10px 14px;border:1px solid #c96a6a;color:#c96a6a;
  font-size:13px;letter-spacing:.06em;line-height:1.5;background:rgba(201,106,106,.08);
}
.form--light .field__err,.form--light .form__err{color:#c0392b;}
.form--light .form__err{border-color:#c0392b;background:rgba(192,57,43,.06);}

/* 浅色背景表单（联系页） */
.form--light .field input,.form--light .field textarea{
  border-bottom-color:var(--line);color:var(--ink);
}
.form--light .field label{color:var(--mute);}
.form--light .field input:focus+label,.form--light .field textarea:focus+label,
.form--light .field.is-fill label{color:var(--gold);}
.form--light .field input:focus,.form--light .field textarea:focus{border-bottom-color:var(--gold);}
.form--light .field .req{color:var(--gold);}
.form--light .form__tip{color:var(--mute-2);}
.form--light .form__ok{border-color:var(--gold);color:var(--gold);}

/* ---------- 页脚 ---------- */
.ftr{background:var(--ink);color:#fff;padding:clamp(56px,8vh,110px) 0 0;}
.ftr__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:clamp(28px,4vw,60px);}
.ftr__logo{font-size:24px;font-weight:600;letter-spacing:.2em;}
.ftr__slogan{margin-top:18px;color:var(--mute-2);font-size:13.5px;line-height:2;max-width:34ch;}
.ftr__h{font-size:12px;letter-spacing:.24em;color:var(--gold-l);margin-bottom:22px;text-transform:uppercase;}
.ftr__ls{display:flex;flex-direction:column;gap:12px;}
.ftr__ls a{font-size:14px;color:var(--mute-2);transition:color .35s;width:fit-content;}
.ftr__ls a:hover{color:#fff;}
.ftr__c{font-size:14px;color:var(--mute-2);line-height:2.1;}
.ftr__c b{display:block;color:#fff;font-family:var(--f-en);font-size:19px;font-weight:400;letter-spacing:.06em;margin-bottom:6px;}
.ftr__qr{
  width:120px;border:1px solid var(--line-w);display:flex;flex-direction:column;align-items:center;
  padding:10px 10px 8px;background:rgba(255,255,255,.04);
}
.ftr__qrimg{
  width:100px;height:100px;display:block;object-fit:contain;background:#fff;padding:4px;
  border-radius:2px;
}
.ftr__qrnote{
  margin-top:8px;font-size:10px;letter-spacing:.16em;color:var(--mute-2);text-align:center;
}
.ftr__bot{
  margin-top:clamp(40px,6vh,80px);border-top:1px solid var(--line-w);
  padding:26px 0 34px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12px;color:var(--mute-2);letter-spacing:.06em;
}

/* ============================================================
   详情页
   ============================================================ */
.dhero{position:relative;height:clamp(420px,72svh,760px);background:var(--ink);overflow:hidden;}
.dhero img{width:100%;height:100%;object-fit:cover;opacity:.9;}
.dhero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(8,8,10,.86),rgba(8,8,10,.24) 60%,rgba(8,8,10,.42));
}
.dhero__in{
  position:absolute;inset:auto 0 0;z-index:2;color:#fff;
  max-width:var(--maxw);margin:0 auto;padding:0 var(--pad) clamp(40px,7vh,80px);
}
.crumb{display:flex;gap:10px;font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.6);margin-bottom:22px;flex-wrap:wrap;}
.crumb a:hover{color:var(--gold-l);}
.dhero__t{font-size:clamp(28px,4.6vw,60px);line-height:1.18;font-weight:600;max-width:20ch;}
.dhero__en{margin-top:14px;font-family:var(--f-en);font-size:11px;letter-spacing:.34em;color:var(--gold-l);text-transform:uppercase;}

.dmeta{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border-bottom:1px solid var(--line);
}
.dmeta__i{background:var(--paper);padding:clamp(20px,3vh,34px) clamp(16px,2vw,28px);}
.dmeta__k{font-size:11px;letter-spacing:.2em;color:var(--mute-2);}
.dmeta__v{margin-top:10px;font-size:clamp(15px,1.3vw,18px);font-weight:500;letter-spacing:.03em;}

.dbody{
  display:grid;grid-template-columns:300px minmax(0,1fr);gap:clamp(32px,5vw,90px);
  padding:clamp(56px,8vh,110px) 0;
}
.dside{position:sticky;top:120px;align-self:start;}
.dside__t{font-size:clamp(20px,2.2vw,30px);font-weight:600;line-height:1.35;letter-spacing:.02em;}
.dside__x{margin-top:18px;font-size:14px;color:var(--mute);line-height:2;}
.dside__ln{margin-top:26px;padding-top:22px;border-top:1px solid var(--line);}
.dside__ln div{display:flex;justify-content:space-between;gap:16px;font-size:13px;padding:8px 0;color:var(--mute);}
.dside__ln div b{font-weight:500;color:var(--ink);}

.dmain p{font-size:clamp(14.5px,1.15vw,17px);line-height:2.15;color:#3a3a3c;margin-bottom:26px;letter-spacing:.02em;}
.dmain h3{
  font-size:clamp(18px,1.7vw,24px);font-weight:600;margin:clamp(38px,5vh,60px) 0 20px;
  letter-spacing:.03em;display:flex;align-items:center;gap:14px;
}
.dmain h3::before{content:"";width:22px;height:1px;background:var(--gold);flex-shrink:0;}
.dquote{
  margin:clamp(34px,5vh,56px) 0;padding:clamp(24px,3vw,40px);background:var(--paper-2);
  font-size:clamp(16px,1.5vw,22px);line-height:1.9;letter-spacing:.03em;border-left:2px solid var(--gold);
}
.dlist{display:grid;gap:1px;background:var(--line);margin:clamp(30px,4vh,48px) 0;}
.dlist__i{background:var(--paper);padding:22px clamp(16px,2vw,28px);display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;}
.dlist__n{font-family:var(--f-en);font-size:13px;letter-spacing:.16em;color:var(--gold);padding-top:4px;}
.dlist__t{font-size:16px;font-weight:600;margin-bottom:6px;letter-spacing:.03em;}
.dlist__d{font-size:14px;color:var(--mute);line-height:1.85;}

.gal{display:grid;grid-template-columns:repeat(6,1fr);gap:clamp(10px,1.4vw,20px);}
.gal__i{overflow:hidden;background:var(--paper-2);cursor:zoom-in;position:relative;}
.gal__i img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease);}
.gal__i:hover img{transform:scale(1.06);}
.gal__i--lg{grid-column:span 4;aspect-ratio:16/10;}
.gal__i--sm{grid-column:span 2;aspect-ratio:4/5;}
.gal__i--h{grid-column:span 3;aspect-ratio:3/2;}

.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border-top:1px solid var(--line);
}
.pager__a{
  background:var(--paper);padding:clamp(24px,4vh,44px) clamp(18px,2.4vw,40px);
  display:flex;flex-direction:column;gap:10px;transition:background .45s var(--ease);
}
.pager__a:hover{background:var(--white);}
.pager__a--next{text-align:right;align-items:flex-end;}
.pager__k{font-family:var(--f-en);font-size:10.5px;letter-spacing:.26em;color:var(--mute-2);}
.pager__t{font-size:clamp(15px,1.4vw,19px);font-weight:500;letter-spacing:.03em;}

.rel{padding:clamp(56px,8vh,110px) 0;border-top:1px solid var(--line);}

/* 新闻详情 */
.art{padding:clamp(56px,8vh,110px) 0;}
.art__hd{max-width:900px;margin:0 auto;text-align:center;}
.art__d{font-family:var(--f-en);font-size:12px;letter-spacing:.24em;color:var(--gold);}
.art__t{margin-top:20px;font-size:clamp(24px,3.4vw,44px);line-height:1.35;font-weight:600;}
.art__m{
  margin-top:26px;display:flex;justify-content:center;gap:26px;flex-wrap:wrap;
  font-size:12px;color:var(--mute-2);letter-spacing:.1em;
}
.art__img{margin:clamp(34px,5vh,60px) 0;overflow:hidden;aspect-ratio:16/9;background:var(--paper-2);}
.art__img img{width:100%;height:100%;object-fit:cover;}
.art__bd{max-width:820px;margin:0 auto;}
.art__bd p{font-size:clamp(15px,1.2vw,17.5px);line-height:2.2;color:#3a3a3c;margin-bottom:26px;letter-spacing:.02em;}
.art__bd h3{font-size:clamp(17px,1.6vw,22px);font-weight:600;margin:38px 0 18px;letter-spacing:.03em;}

/* 页面头（栏目页） */
.phd{
  padding:clamp(130px,16vh,200px) 0 clamp(40px,6vh,70px);background:var(--ink);color:#fff;
  position:relative;overflow:hidden;
}
.phd::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 100% at 100% 0%,rgba(176,141,87,.22),transparent 60%);
}
.phd__in{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);}
.phd__t{font-size:clamp(30px,5vw,64px);font-weight:600;letter-spacing:.02em;margin-top:16px;}
.phd__en{font-family:var(--f-en);font-size:11px;letter-spacing:.36em;color:var(--gold-l);text-transform:uppercase;}
.phd__x{margin-top:20px;color:var(--mute-2);font-size:15px;max-width:56ch;line-height:1.9;}

/* 联系页 */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,90px);padding:clamp(56px,8vh,110px) 0;}
.cinfo__i{padding:26px 0;border-bottom:1px solid var(--line);}
.cinfo__k{font-size:11px;letter-spacing:.24em;color:var(--mute-2);}
.cinfo__v{margin-top:10px;font-size:clamp(16px,1.5vw,20px);font-weight:500;letter-spacing:.04em;}
.cinfo__v a:hover{color:var(--gold);}
/* 联系我们地图(Leaflet + OSM) */
.mapwrap{margin-top:30px;}
.mapwrap__box{
  width:100%;height:360px;border:1px solid rgba(13,13,15,.24);border-radius:4px;overflow:hidden;
  background:var(--paper-2);z-index:1;
}
.mapwrap__box .leaflet-container{width:100%;height:100%;font-family:inherit;}
.mapwrap__box .leaflet-popup-content{font-size:13px;line-height:1.6;margin:10px 12px;}
.mapwrap__box .leaflet-popup-content-wrapper{border-radius:4px;}
.mapwrap__box .leaflet-control-attribution{font-size:10px;background:rgba(255,255,255,.8);}
.mapwrap__nav{
  display:inline-block;margin-top:12px;font-size:13px;letter-spacing:.08em;color:var(--gold);
  text-decoration:none;border-bottom:1px solid transparent;transition:border-color .25s;
}
.mapwrap__nav:hover{border-bottom-color:var(--gold);}
/* 自定义金色定位标记(divIcon,内联无外部图片依赖) */
.xifu-pin{position:relative;width:26px;height:26px;}
.xifu-pin__dot{
  position:absolute;left:50%;top:50%;width:16px;height:16px;transform:translate(-50%,-50%);
  background:var(--gold);border:2px solid #fff;border-radius:50%;
  box-shadow:0 2px 6px rgba(0,0,0,.35);z-index:2;
}
.xifu-pin__pulse{
  position:absolute;left:50%;top:50%;width:26px;height:26px;transform:translate(-50%,-50%);
  border-radius:50%;background:rgba(176,141,87,.35);animation:xifuPinPulse 1.8s ease-out infinite;z-index:1;
}
@keyframes xifuPinPulse{
  0%{transform:translate(-50%,-50%) scale(.5);opacity:.8;}
  100%{transform:translate(-50%,-50%) scale(2.2);opacity:0;}
}
@media (max-width:640px){
  .mapwrap__box{height:260px;}
}

/* ---------- 灯箱 ---------- */
.lb{
  position:fixed;inset:0;z-index:1000;background:rgba(8,8,10,.96);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .45s var(--ease),visibility .45s;
}
.lb.is-on{opacity:1;visibility:visible;pointer-events:auto;}
.lb__fig{max-width:92vw;max-height:84svh;text-align:center;}
.lb__fig img{max-width:92vw;max-height:78svh;object-fit:contain;}
.lb__fig figcaption{margin-top:18px;color:rgba(255,255,255,.55);font-size:12.5px;letter-spacing:.16em;}
.lb__close{
  position:absolute;top:22px;right:26px;width:44px;height:44px;font-size:30px;color:#fff;
  display:grid;place-items:center;transition:transform .4s var(--ease);
}
.lb__close:hover{transform:rotate(90deg);}
.lb__nav{
  position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;
  font-size:34px;color:rgba(255,255,255,.65);display:grid;place-items:center;
  transition:color .35s,transform .35s;
}
.lb__nav:hover{color:#fff;}
.lb__nav--prev{left:16px;}
.lb__nav--next{right:16px;}

/* ---------- 进场动画 ---------- */
.rv{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.rv.is-in{opacity:1;transform:none;}
.rv--d1{transition-delay:.08s;}.rv--d2{transition-delay:.16s;}
.rv--d3{transition-delay:.24s;}.rv--d4{transition-delay:.32s;}

/* 图片骨架 */
.imgph{position:relative;overflow:hidden;background:linear-gradient(110deg,var(--paper-2),#e6e2da,var(--paper-2));}
.imgph.is-err::after{
  content:attr(data-ph);position:absolute;inset:0;display:grid;place-items:center;
  font-size:11px;letter-spacing:.2em;color:var(--mute-2);
}

/* ============================================================
   业务场景 / 能力保障
   ============================================================ */
.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.scene{
  position:relative;background:var(--white);border:1px solid var(--line);cursor:pointer;
  display:flex;flex-direction:column;overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease);
}
.scene:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(13,13,15,.1);border-color:rgba(176,141,87,.5);}
.scene__img{position:relative;aspect-ratio:4/3;overflow:hidden;}
.scene__img img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease);}
.scene:hover .scene__img img{transform:scale(1.06);}
.scene__key{
  position:absolute;left:0;top:0;z-index:2;background:var(--ink);color:#fff;
  font-size:12px;letter-spacing:.18em;padding:8px 14px;
}
.scene__b{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.scene__t{margin:0;font-size:19px;font-weight:600;letter-spacing:.02em;}
.scene__en{
  font-family:var(--f-en);font-size:10px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--gold);margin-top:8px;
}
.scene__d{margin:14px 0 0;font-size:14px;line-height:1.85;color:var(--mute);}
.scene__go{
  margin-top:auto;padding-top:18px;font-size:12px;letter-spacing:.16em;
  display:flex;align-items:center;gap:8px;
}
.scene__go span{transition:transform .4s var(--ease);}
.scene:hover .scene__go span{transform:translateX(6px);}

.asrs{display:grid;gap:clamp(24px,3vw,40px);}
.asr{
  display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(24px,4vw,56px);
  align-items:center;padding:clamp(20px,2.6vw,34px);
  background:var(--white);border:1px solid var(--line);
}
.asr__img{overflow:hidden;}
.asr__img img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.asr__no{
  font-family:var(--f-en);font-size:12px;letter-spacing:.3em;color:var(--gold);
  display:flex;align-items:center;gap:12px;margin-bottom:14px;
}
.asr__no::after{content:"";width:52px;height:1px;background:var(--gold);}
.asr__t{
  margin:0;font-size:clamp(20px,2.1vw,27px);font-weight:600;letter-spacing:.02em;
  display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;
}
.asr__t small{
  font-family:var(--f-en);font-size:11px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--mute-2);font-weight:400;
}
.asr__d{margin:16px 0 0;font-size:15px;line-height:1.9;color:var(--mute);}
.asr__pts{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:10px;}
.asr__pts li{position:relative;padding-left:22px;font-size:14px;line-height:1.8;}
.asr__pts li::before{
  content:"";position:absolute;left:0;top:.78em;width:9px;height:1px;background:var(--gold);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1200px){
  .crafts{grid-template-columns:repeat(3,1fr);}
  .ftr__top{grid-template-columns:1fr 1fr;}
  .scenes{grid-template-columns:repeat(2,1fr);}
  .asr{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:1024px){
  .nav,.tel{display:none;}
  .burger{display:block;}
  .hdr__right{margin-left:auto;}
  .sec__head{grid-template-columns:1fr;align-items:start;gap:22px;}
  .abt{grid-template-columns:1fr;}
  .abt__img img{height:clamp(280px,44vh,460px);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(3){border-left:0;}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line);}
  .sec--dark .stat:nth-child(-n+2){border-bottom-color:var(--line-w);}
  .dbody{grid-template-columns:1fr;}
  .dside{position:static;}
  .nhome{grid-template-columns:1fr;}
  .cta{grid-template-columns:1fr;}
  .contact{grid-template-columns:1fr;}
  .grid{grid-template-columns:repeat(2,1fr);}
  .dmeta{grid-template-columns:repeat(2,1fr);}
  .gal__i--lg{grid-column:span 6;}
  .gal__i--sm{grid-column:span 3;}
  .gal__i--h{grid-column:span 3;}
}
@media (max-width:768px){
  body{font-size:15px;line-height:1.8;}
  .hero{height:auto;min-height:100vh;min-height:100svh;}
  .hero__in{padding-top:clamp(120px,24vh,190px);}
  .hero__sub{max-width:none;}
  .hero__cta{gap:12px;}
  .hero__cta .btn{flex:1 1 auto;justify-content:center;text-align:center;}
  .hero__ttl{max-width:12ch;}
  .hero__bar{flex-direction:row-reverse;}
  .hero__scroll{display:none;}
  .sec{padding:clamp(54px,8vh,84px) 0;}
  .btn{min-height:46px;display:inline-flex;align-items:center;}
  /* 触控热区：汉堡按钮视觉尺寸不变，用伪元素把可点区域扩到 44px */
  .burger::after{
    content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
    width:44px;height:44px;
  }
  .fbtn{min-height:44px;display:inline-flex;align-items:center;}
  .scenes{grid-template-columns:1fr;gap:16px;}
  .scene__b{padding:18px 18px 20px;}
  .scene__d{font-size:13.5px;line-height:1.8;}
  .asr{grid-template-columns:1fr;gap:18px;}
  .asr__d{font-size:14px;}
  .crafts{grid-template-columns:repeat(2,1fr);}
  .brands{grid-template-columns:repeat(2,1fr);}
  .grid{grid-template-columns:1fr;}
  .grid--2{grid-template-columns:1fr;}
  .nitem{grid-template-columns:1fr auto;gap:12px 18px;}
  .nitem__d{grid-column:1/2;display:flex;align-items:baseline;gap:10px;}
  .nitem__d b{font-size:18px;}
  .frow{grid-template-columns:1fr;}
  .ftr__top{grid-template-columns:1fr;gap:36px;}
  .pager{grid-template-columns:1fr;}
  .pager__a--next{text-align:left;align-items:flex-start;}
  .dlist__i{grid-template-columns:40px 1fr;gap:14px;}
  .card{flex:0 0 76vw;}
  .dmeta{grid-template-columns:1fr;}
  .gal__i--sm,.gal__i--h{grid-column:span 6;}
  .stats{grid-template-columns:1fr;}
  .stat{border-left:0;border-bottom:1px solid var(--line);}
  .sec--dark .stat{border-bottom-color:var(--line-w);}
}
@media (max-width:480px){
  .hero__ttl{font-size:clamp(30px,10vw,42px);}
  .crafts{grid-template-columns:1fr;}
  .craft{min-height:auto;}
  .btn{padding:14px 22px;font-size:12px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  .rv{opacity:1;transform:none;}
}