@charset "utf-8";
/* ==========================================================================
   苏州大自然门窗 · 首页样式
   主色：墨绿近黑 + 香槟金点缀
   ========================================================================== */

:root{
  --ink:#0C1411;
  --ink2:#121C18;
  --ink3:#18241F;
  --ink4:#22312A;
  --paper:#ffffff;
  --paper2:#F4F6F4;
  --paper3:#E9EDEA;
  --gold:#C6A15B;
  --gold2:#E2C795;
  --green:#2E5A4A;
  --text:#16201B;
  --muted:#6E7A74;
  --line:rgba(12,20,17,.10);
  --line2:rgba(255,255,255,.14);
  --wrap:min(94vw, 1800px);   /* 内容区最大宽度：流式自适应，跟随窗口宽度；超宽屏封顶 1800px 防过宽 */
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--paper);color:var(--text);
  font:16px/1.8 "PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p,figure{margin:0;}
button,input,textarea,select{font:inherit;color:inherit;}
input,textarea{outline:none;}
.wrap{width:90%;max-width:var(--wrap);margin:0 auto;padding:0 40px;}
.clearfix:after{content:"";display:block;clear:both;}

/* 通用：区块间距 */
.sec{padding:110px 0;position:relative;}
.sec--tight{padding:88px 0;}

/* 通用：章节标题 */
.shead{margin-bottom:64px;text-align:center;}
.shead .kicker{
  display:inline-block;font-size:12px;letter-spacing:.28em;color:var(--gold);
  font-weight:600;text-transform:uppercase;margin-bottom:18px;
}
.shead h2{
  font-size:clamp(28px,3.1vw,42px);line-height:1.35;font-weight:700;
  letter-spacing:.02em;color:var(--text);
}
.shead .sub{margin-top:18px;color:var(--muted);font-size:16px;line-height:1.9;}
.shead .rule{width:52px;height:2px;background:var(--gold);margin:26px auto 0;}
.on-dark .shead h2{color:#fff;}
.on-dark .shead .sub{color:rgba(255,255,255,.62);}
.shead--l{text-align:left;}
.shead--l .rule{margin-left:0;}

/* ============================ 顶部条 ============================ */
.topbar{background:var(--ink);color:rgba(255,255,255,.66);font-size:13px;position:relative;z-index:60;}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:42px;}
.topbar .tl{display:flex;align-items:center;gap:10px;min-width:0;white-space:nowrap;overflow:hidden;}
.topbar .tl i{width:5px;height:5px;border-radius:50%;background:var(--gold);display:inline-block;flex-shrink:0;}
.topbar .tr{display:flex;align-items:center;gap:26px;flex-shrink:0;white-space:nowrap;}
.topbar .tr a{transition:color .25s;}
.topbar .tr a:hover{color:var(--gold2);}
.topbar .tr .hot{color:var(--gold2);font-weight:600;white-space:nowrap;}
/* 顶栏联系人：与左侧电话完全同一风格（金色 + 加粗 + 同字号） */
.topbar .tr .ct{color:var(--gold2);font-weight:600;white-space:nowrap;letter-spacing:.01em;}
/* 顶栏微信按钮：金描边胶囊，hover 变金底墨绿字（与全站金底规则一致） */
.topbar .tr .wx{
  appearance:none;-webkit-appearance:none;background:transparent;font-family:inherit;
  display:inline-flex;align-items:center;gap:6px;flex-shrink:0;white-space:nowrap;
  border:1px solid rgba(198,161,91,.45);border-radius:30px;
  color:var(--gold2);padding:3px 11px;font-size:12.5px;line-height:1.6;cursor:pointer;
  transition:background .25s var(--ease),border-color .25s,color .25s;
}
.topbar .tr .wx svg{width:14px;height:14px;flex-shrink:0;}
.topbar .tr .wx:hover{background:var(--gold);border-color:var(--gold);color:var(--ink);}

/* 微信二维码弹层 */
.wxpop{
  position:fixed;inset:0;z-index:9999;display:none;
  align-items:center;justify-content:center;padding:20px;
}
.wxpop.open{display:flex;animation:wxpopIn .18s ease both;}
@keyframes wxpopIn{from{opacity:0;}to{opacity:1;}}
.wxpop-mask{position:absolute;inset:0;background:rgba(12,20,17,.72);}
.wxpop-box{
  position:relative;background:#fff;border-radius:4px;padding:28px 30px 22px;text-align:center;
  box-shadow:0 30px 70px -22px rgba(0,0,0,.6);
}
.wxpop-x{
  position:absolute;top:6px;right:10px;appearance:none;background:none;border:0;
  font-size:24px;line-height:1;color:#9AA39E;cursor:pointer;padding:4px;
}
.wxpop-x:hover{color:var(--ink);}
.wxpop-t{font-size:16px;font-weight:600;color:#16201B;margin-bottom:16px;letter-spacing:.02em;}
.wxpop-box img{width:196px;height:196px;object-fit:contain;display:block;margin:0 auto;}
.wxpop-p{margin:16px 0 0;font-size:13px;color:#6E7A74;}

/* ============================ 导航 ============================ */
.hd{
  position:absolute;top:42px;left:0;right:0;z-index:50;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),top .35s var(--ease);
}
.hd .wrap{display:flex;align-items:center;gap:36px;height:92px;}
.hd.on{
  position:fixed;top:0;background:rgba(255,255,255,.97);
  backdrop-filter:saturate(180%) blur(12px);
  box-shadow:0 1px 0 var(--line),0 10px 30px rgba(12,20,17,.06);
}
.hd.on .wrap{height:74px;}
.hd.on .logo{color:var(--text);}
.hd.on .logo .en{color:var(--muted);}
.hd.on .logo .mark{stroke:var(--gold);}
.hd.on .nav>ul>li>a{color:var(--text);}
.hd.on .hd-tel .num{color:var(--text);}
.hd.on .hd-tel .lbl{color:var(--muted);}

/* Logo（纯 SVG + 文字，可替换为图片） */
.logo{display:flex;align-items:center;gap:13px;color:#fff;flex-shrink:0;transition:color .3s;}
.logo .mark{stroke:var(--gold2);transition:stroke .3s;}
.logo .tx{display:flex;flex-direction:column;line-height:1.15;}
.logo .cn{font-size:clamp(18px,1.5vw,23px);font-weight:700;letter-spacing:.14em;white-space:nowrap;}
.logo .en{font-size:9.5px;letter-spacing:.26em;color:rgba(255,255,255,.55);text-transform:uppercase;white-space:nowrap;transition:color .3s;}

/* 主导航 */
.nav>ul{display:flex;align-items:center;gap:2px;}
.nav>ul>li{position:relative;}
.nav>ul>li>a{
  display:flex;align-items:center;gap:5px;height:92px;padding:0 17px;
  font-size:15.5px;color:#fff;transition:color .28s;white-space:nowrap;
}
.hd.on .nav>ul>li>a{height:74px;}
.nav>ul>li>a span{position:relative;}
.nav>ul>li>a span:after{
  content:"";position:absolute;left:0;right:100%;bottom:-7px;height:1.5px;
  background:var(--gold);transition:right .35s var(--ease);
}
.nav>ul>li:hover>a,.nav>ul>li.cur>a{color:var(--gold2);}
.hd.on .nav>ul>li:hover>a,.hd.on .nav>ul>li.cur>a{color:var(--gold);}
.nav>ul>li:hover>a span:after,.nav>ul>li.cur>a span:after{right:0;}
.nav .arw{
  width:6px;height:6px;border-right:1.4px solid currentColor;border-bottom:1.4px solid currentColor;
  transform:rotate(45deg) translateY(-2px);opacity:.7;transition:transform .3s;
}
.nav>ul>li:hover .arw{transform:rotate(225deg) translateY(-2px);}

/* 二级下拉 */
.nav .nav-sub{
  position:absolute;top:100%;left:50%;transform:translate(-50%,10px);
  min-width:186px;background:#fff;border-radius:4px;padding:10px 0;
  box-shadow:0 18px 44px rgba(12,20,17,.14);
  opacity:0;visibility:hidden;transition:all .3s var(--ease);
}
.nav>ul>li:hover .nav-sub{opacity:1;visibility:visible;transform:translate(-50%,0);}
.nav .nav-sub:before{content:"";position:absolute;top:-6px;left:0;right:0;height:6px;}
.nav .nav-sub li a{
  display:block;padding:10px 26px;font-size:14.5px;color:var(--text);
  transition:background .22s,color .22s,padding-left .22s;
}
.nav .nav-sub li a:hover{background:var(--paper2);color:var(--gold);padding-left:32px;}

/* 右侧电话（占 CTA 原空间，向左撑开） */
.hd-tel{margin-left:auto;display:flex;align-items:center;gap:12px;padding-left:26px;border-left:1px solid rgba(255,255,255,.18);flex-shrink:0;}
.hd.on .hd-tel{border-left-color:var(--line);}
.hd-tel .ico{width:34px;height:34px;border-radius:50%;border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;color:var(--gold2);flex:0 0 34px;}
.hd.on .hd-tel .ico{color:var(--gold);}
.hd-tel .ico svg{width:17px;height:17px;}
.hd-tel .txt{display:flex;flex-direction:column;line-height:1.35;}
.hd-tel .lbl{font-size:11.5px;color:rgba(255,255,255,.6);letter-spacing:.1em;white-space:nowrap;transition:color .3s;}
.hd-tel .num{font-size:clamp(17px,1.4vw,21px);font-weight:700;color:#fff;letter-spacing:.02em;font-variant-numeric:tabular-nums;white-space:nowrap;transition:color .3s;}

/* 汉堡按钮 */
.burger{display:none;width:34px;height:26px;position:relative;cursor:pointer;flex:0 0 34px;}
.burger span{position:absolute;left:0;right:0;height:2px;background:#fff;transition:all .3s var(--ease);}
.burger span:nth-child(1){top:4px;}
.burger span:nth-child(2){top:12px;}
.burger span:nth-child(3){top:20px;}
.hd.on .burger span{background:var(--text);}
.burger.x span:nth-child(1){top:12px;transform:rotate(45deg);}
.burger.x span:nth-child(2){opacity:0;}
.burger.x span:nth-child(3){top:12px;transform:rotate(-45deg);}

/* ============================ 首屏 Hero ============================ */
.hero{position:relative;height:100vh;min-height:620px;background:var(--ink);overflow:hidden;}
.hero .swiper-container{width:100%;height:100%;}
.hero .swiper-slide{position:relative;overflow:hidden;}
.hero .swiper-slide img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);}
.hero .swiper-slide-active img{animation:kb 9s ease-out forwards;}
@keyframes kb{from{transform:scale(1.06);}to{transform:scale(1);}}
.hero .shade{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,16,13,.86) 0%,rgba(8,16,13,.62) 42%,rgba(8,16,13,.18) 72%,rgba(8,16,13,.05) 100%),
             linear-gradient(to bottom,rgba(8,16,13,.55),rgba(8,16,13,.1) 30%,rgba(8,16,13,.4));
}
.hero .hcon{
  position:absolute;inset:0;z-index:5;display:flex;align-items:center;
  pointer-events:none;
}
.hero .hcon .wrap{pointer-events:auto;}
.hero .htx{max-width:900px;color:#fff;}
.hero .kicker{
  display:inline-flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.3em;
  color:var(--gold2);font-weight:600;margin-bottom:26px;text-transform:uppercase;
}
.hero .kicker:before{content:"";width:36px;height:1px;background:var(--gold);}
.hero h1{
  font-size:clamp(38px,5.2vw,70px);line-height:1.22;font-weight:700;letter-spacing:.01em;
  text-shadow:0 4px 30px rgba(0,0,0,.35);
}
.hero .desc{
  margin-top:26px;font-size:17px;line-height:2;color:rgba(255,255,255,.8);max-width:760px;
}
.hero .btns{margin-top:44px;display:flex;gap:16px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:56px;padding:0 38px;font-size:15.5px;font-weight:600;letter-spacing:.04em;
  border-radius:2px;transition:all .35s var(--ease);cursor:pointer;border:0;
}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold2));color:var(--ink);}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(198,161,91,.42);}
.btn-line{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.04);}
.btn-line:hover{border-color:var(--gold2);color:var(--gold2);transform:translateY(-3px);}
.btn .ar{transition:transform .3s;}
.btn:hover .ar{transform:translateX(5px);}

/* 分页 + 滚动提示 */
.hero .swiper-pagination{
  bottom:38px!important;left:0!important;width:100%!important;text-align:left;
  /* 与 .wrap 左边缘对齐：流宽阶段取 5vw+padding，达到上限后取居中留白 */
  padding-left:max(calc(5vw + 40px), calc((100vw - var(--wrap))/2 + 40px));
}
.hero .swiper-pagination-bullet{
  width:30px;height:3px;border-radius:0;background:rgba(255,255,255,.32);
  opacity:1;margin:0 6px!important;transition:all .35s var(--ease);
}
.hero .swiper-pagination-bullet-active{background:var(--gold);width:52px;}
.hero .scroll{
  position:absolute;bottom:38px;z-index:6;
  right:max(calc(5vw + 40px), calc((100vw - var(--wrap))/2 + 40px));
  display:flex;flex-direction:column;align-items:center;gap:12px;color:rgba(255,255,255,.6);
  font-size:11px;letter-spacing:.22em;
}
.hero .scroll .ln{width:1px;height:52px;background:linear-gradient(to bottom,var(--gold),transparent);}
.hero .scroll .ar{bottom:0;animation:sd 1.8s infinite;}
@keyframes sd{0%{transform:translateY(-6px);opacity:0;}40%{opacity:1;}100%{transform:translateY(8px);opacity:0;}}

/* ============================ 实力数字 ============================ */
.stats{background:var(--ink);padding:74px 0;position:relative;}
.stats:before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(198,161,91,.5),transparent);
}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stats .it{text-align:center;padding:0 20px;position:relative;color:#fff;}
.stats .it+.it:before{content:"";position:absolute;left:0;top:14%;bottom:14%;width:1px;background:var(--line2);}
.stats .n{
  font-size:clamp(38px,4vw,54px);font-weight:700;color:var(--gold2);
  line-height:1;font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.stats .n i{font-style:normal;font-size:.5em;margin-left:3px;}
.stats .t{margin-top:14px;font-size:15px;color:rgba(255,255,255,.66);letter-spacing:.06em;}

/* ============================ 产品中心 ============================ */
.products{background:var(--paper2);}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.pcard{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:3px;
  padding:44px 38px 40px;overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s;
}
.pcard:before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--gold),var(--gold2));transform:scaleY(0);transform-origin:top;
  transition:transform .45s var(--ease);
}
.pcard:hover{transform:translateY(-8px);box-shadow:0 26px 54px rgba(12,20,17,.11);border-color:transparent;}
.pcard:hover:before{transform:scaleY(1);}
.pcard .ico{color:var(--gold);margin-bottom:26px;transition:transform .45s var(--ease);}
.pcard .ico svg{width:60px;height:60px;}
.pcard:hover .ico{transform:translateY(-4px);}
.pcard h3{font-size:21px;font-weight:700;letter-spacing:.02em;}
.pcard .en{
  display:block;margin-top:8px;font-size:10.5px;letter-spacing:.22em;
  color:#A8B2AC;text-transform:uppercase;font-weight:600;
}
.pcard .dc{margin-top:18px;font-size:14.5px;line-height:1.95;color:var(--muted);}
.pcard .tags{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px;}
.pcard .tags span{
  font-size:12px;color:var(--green);background:rgba(46,90,74,.08);
  padding:4px 12px;border-radius:2px;letter-spacing:.03em;
}
.pcard .go{
  margin-top:28px;display:inline-flex;align-items:center;gap:9px;
  font-size:14px;font-weight:600;color:var(--ink);letter-spacing:.05em;
}
.pcard .go svg{width:16px;height:16px;transition:transform .35s var(--ease);}
.pcard:hover .go{color:var(--gold);}
.pcard:hover .go svg{transform:translateX(6px);}

/* ============================ 五大性能 ============================ */
.features{background:var(--ink);position:relative;overflow:hidden;}
.features:before{
  content:"";position:absolute;right:-140px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,161,91,.16),transparent 68%);
}
.features .fgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;}
.fitem{
  padding:0 26px;text-align:center;color:#fff;position:relative;
  transition:transform .4s var(--ease);
}
.fitem+.fitem:before{content:"";position:absolute;left:0;top:10%;bottom:10%;width:1px;background:var(--line2);}
.fitem .k{
  font-size:clamp(34px,3.4vw,46px);font-weight:700;color:var(--gold2);line-height:1;
  font-variant-numeric:tabular-nums;
}
.fitem .k em{font-style:normal;font-size:.36em;margin-left:4px;color:rgba(226,199,149,.8);letter-spacing:.05em;}
.fitem .nm{margin-top:16px;font-size:17px;font-weight:600;letter-spacing:.06em;}
.fitem .dc{margin-top:12px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.55);}
.fitem:hover{transform:translateY(-6px);}
.fitem:hover .k{color:#fff;}

/* ============================ 工厂工艺 ============================ */
.craft{background:#fff;}
.cgrid2{display:grid;grid-template-columns:.92fr 1.08fr;gap:84px;align-items:start;}
.craft .kicker{
  display:inline-block;font-size:12px;letter-spacing:.28em;color:var(--gold);
  font-weight:600;text-transform:uppercase;
}
.craft h2{
  margin-top:18px;font-size:clamp(26px,2.9vw,38px);line-height:1.35;
  font-weight:700;letter-spacing:.02em;
}
.craft .rule{width:52px;height:2px;background:var(--gold);margin:24px 0 0;}
.craft .dc{margin-top:22px;font-size:15.5px;line-height:2;color:var(--muted);}

.cdata{margin-top:44px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.cdata .it{
  background:var(--ink);border-radius:3px;padding:26px 20px;
  transition:transform .4s var(--ease),background .4s var(--ease);
}
.cdata .it:hover{transform:translateY(-5px);background:var(--ink3);}
.cdata .n{
  font-size:30px;font-weight:700;color:var(--gold2);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.cdata .n i{font-style:normal;font-size:.46em;margin-left:3px;}
.cdata .t{margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.6;}

.cpts{border-top:1px solid var(--line);}
.cpt{
  display:flex;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);
  transition:padding-left .4s var(--ease);
}
.cpt:hover{padding-left:10px;}
.cpt .no{
  flex:0 0 auto;font-size:13px;color:var(--gold);font-weight:700;
  letter-spacing:.1em;font-variant-numeric:tabular-nums;padding-top:4px;
}
.cpt h4{
  font-size:17.5px;font-weight:700;letter-spacing:.02em;
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.cpt .std{
  font-size:12px;font-weight:600;color:var(--green);background:rgba(46,90,74,.09);
  padding:3px 11px;border-radius:2px;letter-spacing:.02em;
}
.cpt p{margin-top:10px;font-size:14px;line-height:1.9;color:var(--muted);}

/* ============================ 服务流程 ============================ */
.process{background:var(--paper2);}
.pflow{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative;}
.pflow:before{
  content:"";position:absolute;left:8%;right:8%;top:27px;height:1px;
  background:linear-gradient(90deg,transparent,var(--paper3) 8%,var(--paper3) 92%,transparent);
}
.pstep{text-align:center;padding:0 14px;position:relative;}
.pstep .dot{
  width:56px;height:56px;margin:0 auto;border-radius:50%;background:#fff;
  border:1px solid var(--paper3);display:flex;align-items:center;justify-content:center;
  color:var(--gold);position:relative;z-index:2;
  transition:all .4s var(--ease);
}
.pstep .dot svg{width:26px;height:26px;}
.pstep:hover .dot{background:var(--gold);border-color:var(--gold);color:#fff;transform:scale(1.08);}
.pstep .no{
  margin-top:22px;font-size:12px;letter-spacing:.2em;color:var(--gold);font-weight:700;
  font-variant-numeric:tabular-nums;
}
.pstep h4{margin-top:8px;font-size:17px;font-weight:700;letter-spacing:.03em;}
.pstep p{margin-top:12px;font-size:13.5px;line-height:1.85;color:var(--muted);}

/* ============================ 为什么选我们 ============================ */
.why{background:#fff;}
.wgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.wcard{
  background:#fff;padding:46px 46px 44px;border-radius:3px;border:1px solid var(--line);
  display:flex;gap:26px;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.wcard:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(12,20,17,.09);}
.wcard .ico{
  flex:0 0 62px;width:62px;height:62px;border-radius:50%;
  background:linear-gradient(135deg,var(--ink2),var(--ink4));color:var(--gold2);
  display:flex;align-items:center;justify-content:center;
}
.wcard .ico svg{width:28px;height:28px;}
.wcard h4{font-size:19px;font-weight:700;letter-spacing:.02em;}
.wcard p{margin-top:12px;font-size:14.5px;line-height:1.95;color:var(--muted);}

/* ============================ 工程案例 ============================ */
.cases{background:var(--paper2);}
.cgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.ccard{
  position:relative;border-radius:3px;overflow:hidden;background:var(--ink2);
  aspect-ratio:4/5;display:flex;flex-direction:column;justify-content:flex-end;
  padding:34px 30px;color:#fff;cursor:pointer;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);
}
.ccard:hover{transform:translateY(-6px);box-shadow:0 24px 46px rgba(12,20,17,.2);}
.ccard .ph{
  position:absolute;inset:0;z-index:0;
  background:linear-gradient(150deg,var(--ink3) 0%,var(--ink) 100%);
  transition:transform .7s var(--ease);
}
.ccard:nth-child(2) .ph{background:linear-gradient(150deg,#1E2F27,#0C1411);}
.ccard:nth-child(3) .ph{background:linear-gradient(150deg,#25332C,#101A16);}
.ccard:nth-child(4) .ph{background:linear-gradient(150deg,#1A2620,#0A110E);}
.ccard .ph svg{
  position:absolute;right:-14px;top:14px;width:150px;height:150px;
  color:rgba(198,161,91,.24);
}
.ccard .ph img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.ccard:hover .ph{transform:scale(1.06);}
.ccard .veil{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top,rgba(8,16,13,.94) 0%,rgba(8,16,13,.74) 30%,rgba(8,16,13,.2) 64%,rgba(8,16,13,.05) 100%);
}
.ccard .ct{position:relative;z-index:2;}
.ccard .cat{
  display:inline-block;font-size:11.5px;letter-spacing:.18em;color:var(--gold2);
  border:1px solid rgba(198,161,91,.45);padding:3px 11px;border-radius:2px;margin-bottom:16px;
}
.ccard h4{font-size:20px;font-weight:700;letter-spacing:.02em;}
.ccard .dc{margin-top:10px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);}
.ccard .mt{
  margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.72);
}
.ccard .mt b{color:var(--gold2);font-weight:600;font-variant-numeric:tabular-nums;}

/* 案例区「查看全部」入口卡 */
.ccard--cta{
  background:linear-gradient(150deg,#22312A,#0C1411);
  justify-content:center;align-items:center;text-align:center;padding:34px 26px;
}
.ccard--cta:before{
  content:"";position:absolute;inset:0;z-index:1;
  border:1px solid rgba(198,161,91,.28);border-radius:3px;pointer-events:none;
}
.ccard--cta .ct{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;}
.ccard--cta .num{
  font-size:46px;font-weight:700;color:var(--gold2);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.ccard--cta .num sup{font-size:.42em;margin-left:2px;top:-.9em;}
.ccard--cta h4{margin-top:16px;font-size:19px;letter-spacing:.04em;}
.ccard--cta .dc{margin-top:10px;font-size:13.5px;}
.ccard--cta .go{
  margin-top:26px;display:inline-flex;align-items:center;gap:9px;
  font-size:14px;font-weight:600;color:var(--gold2);letter-spacing:.05em;
}
.ccard--cta .go svg{width:16px;height:16px;transition:transform .35s var(--ease);}
.ccard--cta:hover .go svg{transform:translateX(6px);}

/* ============================ 新闻资讯 ============================ */
.news{background:#fff;}
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.ncard{
  background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.ncard:hover{transform:translateY(-7px);box-shadow:0 24px 50px rgba(12,20,17,.1);}
.ncard .thumb{
  height:196px;background:linear-gradient(135deg,var(--ink3),var(--ink));
  position:relative;overflow:hidden;
}
.ncard .thumb svg{position:absolute;inset:0;margin:auto;width:74px;height:74px;color:rgba(198,161,91,.34);}
.ncard .thumb img{width:100%;height:100%;object-fit:cover;}
.ncard .body{padding:28px 30px 30px;flex:1;display:flex;flex-direction:column;}
.ncard .date{font-size:12.5px;color:var(--gold);letter-spacing:.1em;font-variant-numeric:tabular-nums;}
.ncard h4{
  margin-top:14px;font-size:17.5px;font-weight:700;line-height:1.6;letter-spacing:.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .3s;
}
.ncard:hover h4{color:var(--gold);}
.ncard .dc{
  margin-top:14px;font-size:14px;line-height:1.9;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.ncard .mo{margin-top:22px;font-size:13.5px;color:var(--green);font-weight:600;letter-spacing:.05em;}

/* ============================ 预约区 ============================ */
.booking{background:var(--ink);position:relative;overflow:hidden;}
.booking:before{
  content:"";position:absolute;left:-120px;bottom:-180px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,161,91,.14),transparent 66%);
}
.booking .bwrap{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;}
.booking .bl{color:#fff;}
.booking .kicker{font-size:12px;letter-spacing:.28em;color:var(--gold2);font-weight:600;}
.booking h2{margin-top:20px;font-size:clamp(28px,3.2vw,44px);line-height:1.3;font-weight:700;}
.booking .dc{margin-top:20px;font-size:16px;line-height:2;color:rgba(255,255,255,.62);}
.booking .telbox{margin-top:40px;display:flex;align-items:center;gap:20px;}
.booking .telbox .ico{
  width:56px;height:56px;border-radius:50%;border:1px solid rgba(198,161,91,.5);
  display:flex;align-items:center;justify-content:center;color:var(--gold2);flex:0 0 56px;
}
.booking .telbox .ico svg{width:24px;height:24px;}
.booking .telbox .tt{font-size:12.5px;letter-spacing:.16em;color:rgba(255,255,255,.5);}
.booking .telbox .nn{
  margin-top:4px;font-size:clamp(26px,2.6vw,34px);font-weight:700;color:var(--gold2);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.booking .tips{margin-top:34px;display:flex;flex-wrap:wrap;gap:26px;}
.booking .tips .tp{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.72);}
.booking .tips .tp i{width:5px;height:5px;border-radius:50%;background:var(--gold);}

/* 表单 */
.form{
  background:rgba(255,255,255,.045);border:1px solid var(--line2);
  border-radius:4px;padding:40px 38px;backdrop-filter:blur(6px);
}
.form h4{color:#fff;font-size:20px;font-weight:700;letter-spacing:.03em;}
.form .fs{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.5);}
.form .row{margin-top:20px;}
.form label{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:9px;letter-spacing:.05em;}
.form input,.form textarea,.form select{
  width:100%;background:rgba(255,255,255,.05);border:1px solid var(--line2);
  border-radius:2px;padding:13px 15px;color:#fff;font-size:15px;
  transition:border-color .3s,background .3s;
}
.form input::placeholder,.form textarea::placeholder{color:rgba(255,255,255,.32);}
.form input:focus,.form textarea:focus,.form select:focus{
  border-color:var(--gold);background:rgba(255,255,255,.08);
}
.form textarea{height:92px;resize:vertical;}
.form .submit{
  margin-top:26px;width:100%;height:52px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--gold),var(--gold2));color:var(--ink);
  font-size:16px;font-weight:700;letter-spacing:.08em;border-radius:2px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.form .submit:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(198,161,91,.38);}
.form .note{margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.42);text-align:center;}
.form .fmsg{margin-top:16px;font-size:14px;color:var(--gold2);text-align:center;display:none;}
.form .fmsg.show{display:block;}

/* ============================ 页脚 ============================ */
.foot{background:#080E0B;color:rgba(255,255,255,.6);padding:72px 0 0;}
/* 栏宽 2026-09-05 按老王在调参台手拖的参数定稿：品牌 1.2 / 产品 0.5 / 导航 0.4 / 联系 0.75，间距 60px */
.foot .fgrid{display:grid;grid-template-columns:1.2fr 0.5fr 0.4fr 0.75fr;gap:60px;padding-bottom:56px;}
.foot h5{color:#fff;font-size:16px;font-weight:700;letter-spacing:.08em;margin-bottom:24px;}
.foot .fabout p{margin-top:20px;font-size:14px;line-height:2;max-width:460px;}
.foot ul li{margin-bottom:13px;font-size:14px;}
.foot ul li a{transition:color .25s,padding-left .25s;}
.foot ul li a:hover{color:var(--gold2);padding-left:6px;}
.foot .fcontact li{display:flex;gap:12px;line-height:1.9;}
.foot .fcontact b{color:var(--gold2);font-weight:400;flex:0 0 44px;font-size:13.5px;}
.foot .fcontact .big{font-size:22px;color:var(--gold2);font-weight:700;letter-spacing:.02em;white-space:nowrap;}
/* 四栏标题统一基线（2026-09-05）：每栏顶部一条 34px 标题带，带内垂直居中 → 四条标题在同一水平线 */
.foot .fgrid > div{display:flex;flex-direction:column;}
.foot .fgrid > .fabout > .logo{height:34px;margin-bottom:24px;}
/* padding-bottom:11px = 上移 5.5px：LOGO 是「中文名+英文小字」两行，整体居中后中文名中线落在带内 11.5px
   （该值与屏幕宽度无关 = 17 - 英文行高/2），后三栏标题抬到同一条线上，四个主标题文字才真正齐平 */
.foot .fgrid > div > h5{display:flex;align-items:center;height:34px;box-sizing:border-box;padding-bottom:11px;margin:0 0 24px;}
.foot .fabout p{margin-top:0;font-size:14px;line-height:2;max-width:460px;}
/* 页脚二维码（后台「页脚主区管理 → 联系我们」上传，尺寸可调） */
.foot .fqr{display:flex;gap:22px;flex-wrap:wrap;margin-top:20px;}
.foot .fqr-i{display:flex;flex-direction:column;align-items:center;gap:8px;}
.foot .fqr-i img{
  display:block;object-fit:contain;background:#fff;
  border-radius:4px;padding:5px;box-shadow:0 2px 10px rgba(0,0,0,.18);
}
.foot .fqr-i span{font-size:12.5px;color:rgba(255,255,255,.45);letter-spacing:.04em;}
.foot .flinks{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;font-size:13.5px;}
.foot .flinks .wrap{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;}
.foot .flinks a{transition:color .25s;}
.foot .flinks a:hover{color:var(--gold2);}
.foot .fcopy{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 30px;
  font-size:13px;color:rgba(255,255,255,.4);line-height:1.9;
}
.foot .fcopy a{color:rgba(255,255,255,.55);}

/* ============================ 移动端底栏 ============================ */
.mbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(12,20,17,.07);
}
.mbar .in{display:flex;}
.mbar a{
  flex:1;height:56px;display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--text);
}
.mbar a+a{border-left:1px solid var(--line);}
.mbar a svg{width:18px;height:18px;}

/* ============================ 入场动画 ============================ */
.rv{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.rv.in{opacity:1;transform:none;}
.rv.d1{transition-delay:.1s;}.rv.d2{transition-delay:.2s;}.rv.d3{transition-delay:.3s;}
.rv.d4{transition-delay:.4s;}.rv.d5{transition-delay:.5s;}.rv.d6{transition-delay:.6s;}

/* ============================ 响应式 ============================ */
@media (max-width:1200px){
  .wrap{padding:0 28px;}
  .hero .swiper-pagination,.hero .scroll{display:none;}
  .fgrid{grid-template-columns:repeat(3,1fr);gap:34px 0;}
  .fitem+.fitem:before{display:none;}
  .booking .bwrap{gap:44px;}
}
@media (max-width:1080px){
  .nav>ul>li>a{padding:0 12px;font-size:15px;}
  .hd-tel{padding-left:18px;}
}
@media (max-width:980px){
  .sec{padding:76px 0;}
  .sec--tight{padding:64px 0;}
  .shead{margin-bottom:46px;}
  .nav,.hd-tel{display:none;}
  .burger{display:block;margin-left:auto;}
  .hd .wrap{height:70px;gap:16px;}
  .hd.on .wrap{height:64px;}
  .topbar .tr span:nth-child(1){display:none;}
  .hero{min-height:560px;height:88vh;}
  .hero .desc{font-size:16px;}
  .stats .grid{grid-template-columns:repeat(2,1fr);gap:34px 0;}
  .stats .it:nth-child(3):before,.stats .it:nth-child(2):before{display:none;}
  .pgrid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .pflow{grid-template-columns:repeat(3,1fr);gap:40px 0;}
  .pflow:before{display:none;}
  .wgrid{grid-template-columns:1fr;gap:18px;}
  .wcard{padding:34px 32px;}
  .cgrid{grid-template-columns:repeat(2,1fr);}
  .cgrid2{grid-template-columns:1fr;gap:46px;}
  .cdata{margin-top:34px;}
  .ngrid{grid-template-columns:1fr;gap:18px;}
  .booking .bwrap{grid-template-columns:1fr;gap:46px;}
  .foot .fgrid{grid-template-columns:1fr 1fr;gap:36px;}
  .mbar{display:block;}
  body{padding-bottom:56px;}
}
@media (max-width:640px){
  .wrap{padding:0 20px;}
  .sec{padding:60px 0;}
  .topbar .wrap{height:38px;font-size:12px;}
  .topbar .tl span{display:none;}
  .hero{height:82vh;min-height:500px;}
  .hero h1{font-size:32px;}
  .hero .desc{font-size:15px;line-height:1.9;}
  .hero .btns{margin-top:32px;}
  .btn{height:50px;padding:0 26px;font-size:14.5px;}
  .hero .btns .btn{flex:1;min-width:150px;}
  .stats{padding:52px 0;}
  .pgrid{grid-template-columns:1fr;}
  .pcard{padding:34px 28px 32px;}
  .fgrid{grid-template-columns:1fr;gap:30px 0;}
  .fitem{padding:0;}
  .pflow{grid-template-columns:repeat(2,1fr);gap:34px 0;}
  .cgrid{grid-template-columns:1fr;gap:16px;}
  .ccard{aspect-ratio:16/11;}
  .cdata{grid-template-columns:1fr;gap:12px;}
  .cdata .n{font-size:26px;}
  .cpt{padding:22px 0;gap:16px;}
  .form{padding:30px 24px;}
  .booking .telbox{flex-wrap:wrap;}
  .foot .fgrid{grid-template-columns:1fr;gap:32px;}
  .foot .fcopy{text-align:center;}
}

/* 移动端抽屉导航 */
.mnav{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:70;
  background:var(--ink);padding:92px 0 40px;overflow-y:auto;
  transform:translateX(100%);transition:transform .42s var(--ease);
}
.mnav.open{transform:none;}
.mnav li{border-bottom:1px solid rgba(255,255,255,.07);}
.mnav li a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 26px;color:rgba(255,255,255,.82);font-size:16px;
}
.mnav li ul{display:none;background:rgba(255,255,255,.03);}
.mnav li ul li a{padding:12px 26px 12px 44px;font-size:14.5px;color:rgba(255,255,255,.6);}
.mnav .arw{
  width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg);transition:transform .3s;opacity:.6;
}
.mnav li.open>.a .arw,.mnav li.m-has.open>a .arw{transform:rotate(225deg);}
.mnav .mtel{margin:32px 26px 0;padding-top:26px;border-top:1px solid rgba(255,255,255,.1);}
.mnav .mtel .tt{font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.45);}
.mnav .mtel .nn{display:block;margin-top:8px;font-size:26px;font-weight:700;color:var(--gold2);}
.shade-m{position:fixed;inset:0;background:rgba(8,14,11,.55);z-index:65;opacity:0;visibility:hidden;transition:all .35s;}
.shade-m.on{opacity:1;visibility:visible;}

/* ===== 详情页调用钩子（后台「详情页调用钩子」输出，仅 AI 详情页） ===== */
.dh-item{
  max-width:860px;
  margin:34px auto 0;
  padding:18px 22px;
  border-top:1px solid rgba(198,161,91,.45);
  background:rgba(198,161,91,.06);
  border-radius:0 0 6px 6px;
  font-size:15px;
  line-height:1.8;
  color:#2c2c2a;
  text-align:center;
}
.dh-item img{max-width:100%;height:auto;}
.dh-item a{color:#8A6D33;}
.dh-item :first-child{margin-top:0;}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;}
}