@charset "utf-8";
/* ==========================================================================
   震业装饰建材 · 官网全站样式
   风格基准：斯米克磁砖（HTML 结构 + 版式节奏）
   硬约束：零圆角 / 零阴影 / 六档字号(12·14·16·21·24·46) / 系统字体栈
   ========================================================================== */

:root{
  --bg:#f7f7f7;
  --surface:#ffffff;
  --text:#313131;
  --text-strong:#232323;
  --text-mid:#5d5d5d;
  --muted:#999999;
  --accent:#004899;
  --line:#e7e7e7;
  --line-soft:#efefef;
  --footer-bg:#303133;
  --copy-bg:#2b2c2e;
  --footer-text:#9a9a9a;
  --container:1200px;
  --font:"Helvetica Neue",Helvetica,"Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
}

/* ---------- reset ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);
  font:400 14px/1.6 var(--font);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;border:0;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .28s}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:#004899;color:#fff}

.wrap{max-width:var(--container);margin:0 auto;padding:0 15px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ==========================================================================
   1. 顶部信息条 + 主顶栏
   ========================================================================== */
.topbar{height:36px;background:var(--footer-bg);color:var(--footer-text);font-size:12px;line-height:36px}
.topbar .wrap{display:flex;justify-content:space-between}
.topbar-l,.topbar-r{display:flex;align-items:center}
.topbar span+span{margin-left:14px;padding-left:14px;border-left:1px solid #47484a}
.topbar a:hover{color:#fff}
.topbar em{font-style:normal;color:#fff;letter-spacing:.5px}

.header{height:85px;background:rgba(255,255,255,.53);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;height:100%}

.logo{display:flex;align-items:center;gap:11px;width:246px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;flex:0 0 auto;background:var(--text);
  display:block;text-align:center;
  font-size:17px;line-height:38px;letter-spacing:0;color:#fff;
}
.logo-txt b{display:block;font-size:21px;font-weight:500;line-height:1.1;letter-spacing:3px}
.logo-txt em{display:block;font-style:normal;font-size:12px;line-height:1;color:var(--muted);letter-spacing:2.4px;margin-top:5px}

.nav{flex:1;display:flex;justify-content:center}
.nav a{
  display:block;height:85px;line-height:85px;padding:0 15px;
  font-size:16px;color:var(--text-strong);position:relative;white-space:nowrap;
}
.nav a:hover{color:var(--accent)}
.nav a:hover::after,.nav a.on::after{
  content:"";position:absolute;left:50%;bottom:0;width:76px;height:3px;
  margin-left:-38px;background:var(--accent);
}
.nav a.on{color:var(--accent);font-weight:700}
.header-cta{flex:0 0 auto;margin-left:8px}

/* ---------- 唯一按钮形态 ---------- */
.btn{
  display:inline-block;width:160px;height:42px;line-height:40px;text-align:center;
  border:1px solid var(--text);font-size:14px;color:var(--text);background:transparent;
  cursor:pointer;transition:background .28s,color .28s,border-color .28s;
}
.btn:hover{background:rgba(49,49,49,.06)}
.btn--light{border-color:#fff;color:#fff}
.btn--light:hover{background:rgba(255,255,255,.16)}
.btn--solid{background:var(--text);color:#fff}
.btn--solid:hover{background:#000;color:#fff}
.btn-sm{width:auto;height:42px;padding:0 24px}

/* ==========================================================================
   2. 首屏轮播
   ========================================================================== */
.hero{position:relative;height:450px;overflow:hidden;background:#242424}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease;pointer-events:none}
.hero-slide.on{opacity:1;pointer-events:auto}
.hero-slide img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover;transform:scale(1.04);transition:transform 9s linear}
.hero-slide.on img{transform:scale(1)}
.hero-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,14,18,.74) 0%,rgba(12,14,18,.5) 42%,rgba(12,14,18,.24) 100%)}
.hero-inner{position:relative;z-index:2;height:450px;display:flex;flex-direction:column;justify-content:center;color:#fff}
.hero-eyebrow{font-size:12px;letter-spacing:6px;color:rgba(255,255,255,.72);margin-bottom:16px}
.hero h1{font-size:46px;font-weight:400;line-height:1.32;letter-spacing:3px;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.hero p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.85);margin-top:16px;max-width:620px}
.hero-btns{margin-top:34px}
.hero-btns .btn+.btn{margin-left:14px}

.hero-nav{position:absolute;left:0;right:0;bottom:26px;z-index:3}
.hero-nav .wrap{display:flex;align-items:center;justify-content:space-between}
.hero-idx{font-size:12px;color:rgba(255,255,255,.8);letter-spacing:2px}
.hero-idx b{font-weight:400;color:#fff;font-size:14px}
.hero-dots{display:flex;gap:10px}
.hero-dots i{display:block;width:36px;height:2px;background:rgba(255,255,255,.4);transition:background .3s}
.hero-dots i.on{background:#fff}

/* ==========================================================================
   3. 信任条
   ========================================================================== */
.trust{background:var(--surface);border-bottom:1px solid var(--line-soft)}
.trust ul{display:grid;grid-template-columns:repeat(4,1fr);height:96px;align-items:center}
.trust li{padding-left:30px;border-left:1px solid var(--line-soft);height:44px}
.trust li:first-child{border-left:0;padding-left:0}
.trust .num{font-size:24px;font-weight:400;line-height:1;letter-spacing:1px}
.trust .num span{font-size:12px;color:var(--muted);letter-spacing:0;margin-left:3px}
.trust .txt{font-size:12px;color:var(--muted);margin-top:9px}

/* ==========================================================================
   4. 区块标题带（118px）
   ========================================================================== */
.band{padding:30px 0;text-align:center}
.band h2{font-size:24px;font-weight:400;line-height:38px;letter-spacing:2px;color:var(--text)}
.band p{font-size:12px;line-height:19px;color:var(--muted);margin-top:4px;letter-spacing:.5px}

/* ==========================================================================
   5. 产品四宫格
   ========================================================================== */
.p-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.p-card{position:relative;display:block;height:280px;overflow:hidden;background:#e2e2e2}
.p-card img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.p-card:hover img{transform:scale(1.05)}
.p-label{
  position:absolute;left:0;right:0;bottom:0;height:30px;line-height:30px;text-align:center;
  font-size:14px;color:var(--text);background:rgba(255,255,255,.53);
}
.sec-btn{text-align:center;margin-top:42px;padding-bottom:52px}

/* ==========================================================================
   6. 品牌大图段
   ========================================================================== */
.about-hero{position:relative;height:460px;background:#2b2b2b center/cover no-repeat;overflow:hidden}
.about-hero::after{content:"";position:absolute;inset:0;background:rgba(12,14,18,.64)}
.about-inner{position:relative;z-index:2;width:864px;max-width:100%;margin:0 auto;padding-top:112px;text-align:center;color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.4)}
.about-inner .eyebrow{font-size:12px;letter-spacing:6px;color:rgba(255,255,255,.7)}
.about-inner h2{font-size:46px;font-weight:400;line-height:78px;letter-spacing:3px}
.about-inner p{font-size:14px;line-height:1.95;color:rgba(255,255,255,.86);margin:6px auto 30px;max-width:720px}

/* ==========================================================================
   7. 案例轮播
   ========================================================================== */
.case-wrap{position:relative;background:#1e1e1e}
.case{position:relative;height:600px;overflow:hidden}
.case-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}
.case-slide.on{opacity:1}
.case-slide img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover}
.case-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(270deg,rgba(12,14,18,.66) 0%,rgba(12,14,18,.38) 52%,rgba(12,14,18,.14) 100%)}
.case-txt{
  position:absolute;z-index:3;top:50%;left:53%;transform:translateY(-50%);
  width:520px;color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.45);
}
.case-txt .tag{font-size:12px;letter-spacing:4px;color:rgba(255,255,255,.72);margin-bottom:14px}
.case-txt h3{font-size:21px;font-weight:400;line-height:42px;letter-spacing:1px}
.case-txt p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.84);margin-top:12px}
.case-txt .btn{margin-top:26px}
.case-arrow{
  position:absolute;top:50%;z-index:4;width:44px;height:44px;margin-top:-22px;
  border:1px solid rgba(255,255,255,.55);color:#fff;font-size:14px;line-height:42px;text-align:center;
  transition:background .3s;
}
.case-arrow:hover{background:rgba(255,255,255,.16)}
.case-arrow.prev{left:30px}
.case-arrow.next{right:30px}
.case-thumbs{
  position:relative;z-index:5;width:406px;margin:-70px auto 0;
  display:flex;gap:10px;padding-bottom:0;
}
.case-thumbs button{
  flex:1 1 0;height:50px;overflow:hidden;padding:0;
  border:1px solid rgba(255,255,255,.35);opacity:.5;transition:opacity .3s,border-color .3s;
}
.case-thumbs button.on{opacity:1;border-color:#fff}
.case-thumbs img{width:100%;height:100%;object-fit:cover}

/* ==========================================================================
   8. 服务流程
   ========================================================================== */
.flow{background:var(--surface);padding-bottom:60px}
.flow-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.flow-grid--3{grid-template-columns:repeat(3,1fr)}
.flow-item{padding:28px 24px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-item i{display:block;font-style:normal;font-size:24px;line-height:1;color:#d5d5d5;letter-spacing:1px}
.flow-item b{display:block;font-size:16px;font-weight:400;margin-top:16px;letter-spacing:1px}
.flow-item span{display:block;font-size:12px;line-height:1.85;color:var(--muted);margin-top:8px}

/* ==========================================================================
   9. 新闻四卡
   ========================================================================== */
.n-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.n-card{background:var(--surface);display:block}
.n-card .thumb{height:210px;overflow:hidden;background:#e2e2e2}
.n-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.n-card:hover .thumb img{transform:scale(1.05)}
.n-card .bd{padding:16px 16px 22px}
.n-card h3{
  font-size:14px;font-weight:700;line-height:22px;color:var(--text);
  height:44px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.n-card p{
  font-size:12px;line-height:19px;color:var(--muted);margin-top:10px;height:38px;overflow:hidden;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.n-card .date{font-size:12px;color:var(--muted);margin-top:16px;letter-spacing:.5px}

/* ==========================================================================
   10. 页脚
   ========================================================================== */
.footer{background:var(--footer-bg);color:var(--footer-text);padding-top:52px;border-top:1px solid rgba(255,255,255,.07)}
.f-grid{display:grid;grid-template-columns:2.1fr .9fr .9fr 1.35fr;gap:48px}
.f-logo{display:flex;align-items:center;gap:11px;margin-bottom:20px}
.f-logo .logo-mark{background:#fff;color:#2b2c2e}
.f-logo b{font-size:21px;font-weight:500;color:#fff;letter-spacing:3px;line-height:1.1}
.f-logo em{display:block;font-style:normal;font-size:12px;color:#7d7d7f;letter-spacing:2.4px;margin-top:5px}
.f-desc{font-size:12px;line-height:2;color:#8b8b8d;max-width:330px}
.f-title{font-size:14px;color:#fff;letter-spacing:2px;margin-bottom:16px}
.footer a{display:block;font-size:14px;line-height:34px;color:var(--footer-text)}
.footer a:hover{color:#fff}
.f-contact li{font-size:14px;line-height:1.6;color:var(--footer-text);margin-bottom:12px}
.f-contact li b{font-weight:400;color:#fff;font-size:21px;letter-spacing:1px}
.f-contact li small{display:block;font-size:12px;color:#7d7d7f;margin-top:3px}
.copy{background:var(--copy-bg);height:40px;line-height:40px;margin-top:46px;font-size:12px;color:#8a8a8c;white-space:nowrap;overflow:hidden}
.copy .wrap{display:flex;justify-content:space-between;flex-wrap:nowrap}
.copy a:hover{color:#fff;text-decoration:underline}

.float{position:fixed;right:24px;bottom:60px;z-index:60;display:flex;flex-direction:column;gap:8px}
.float a,.float button{
  width:44px;height:44px;background:rgba(0,0,0,.34);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;line-height:1.2;
  transition:background .3s;
}
.float a:hover,.float button:hover{background:rgba(0,0,0,.6)}
.float .to-top{opacity:0;pointer-events:none;transition:opacity .3s,background .3s}
.float .to-top.show{opacity:1;pointer-events:auto}

/* ==========================================================================
   11. 内页通用
   ========================================================================== */
.page-head{position:relative;height:280px;background:#2b2b2b center/cover no-repeat;color:#fff;display:flex;align-items:center}
.page-head::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,12,16,.8) 0%,rgba(10,12,16,.6) 45%,rgba(10,12,16,.38) 100%)}
.page-head .wrap{position:relative;z-index:2;width:100%;text-align:left}
.page-head h1{font-size:24px;font-weight:400;letter-spacing:4px;line-height:38px}
.page-head .crumb{font-size:12px;color:rgba(255,255,255,.72);margin-top:12px;letter-spacing:.5px}
.page-head .crumb a:hover{color:#fff}

.sec{padding:0 0 70px}
.sec--white{background:var(--surface)}

/* 分类筛选 */
.filter{display:flex;justify-content:center;flex-wrap:wrap;gap:0;padding:38px 0 34px;border-bottom:1px solid var(--line)}
.filter button{font-size:14px;color:var(--text-mid);padding:0 22px;position:relative;line-height:34px;transition:color .25s}
.filter button:hover{color:var(--accent)}
.filter button.on{color:var(--accent);font-weight:700}
.filter button.on::after{content:"";position:absolute;left:22px;right:22px;bottom:6px;height:2px;background:var(--accent)}

/* 产品网格（带文字区） */
.plist{display:grid;grid-template-columns:repeat(3,1fr);gap:30px 28px;padding-top:44px}
.plist .item{background:var(--surface);display:block}
.plist .pic{height:300px;overflow:hidden;background:#e2e2e2}
.plist .pic img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.plist .item:hover .pic img{transform:scale(1.05)}
.plist .txt{padding:18px 20px 22px;border-top:1px solid var(--line-soft)}
.plist h3{font-size:16px;font-weight:400;letter-spacing:1px}
.plist .spec{font-size:12px;color:var(--muted);margin-top:7px}
.plist .more{font-size:12px;color:var(--text-mid);margin-top:12px;letter-spacing:1px}

/* 通用内页标题 */
.h3-band{text-align:center;margin-bottom:44px}
.h3-band h2{font-size:24px;font-weight:400;letter-spacing:2px;line-height:38px}
.h3-band p{font-size:12px;color:var(--muted);margin-top:6px}

/* 文章正文 */
.article{max-width:768px;margin:0 auto}
.article h2{font-size:21px;font-weight:400;letter-spacing:1px;line-height:1.7;margin:38px 0 14px}
.article p{font-size:14px;line-height:2.1;color:var(--text-mid);margin-bottom:16px}
.article img{margin:26px 0;width:100%}
.article ul{margin:0 0 18px}
.article li{font-size:14px;line-height:2.1;color:var(--text-mid);padding-left:16px;position:relative}
.article li::before{content:"";position:absolute;left:0;top:14px;width:5px;height:1px;background:#b5b5b5}

/* 新闻列表 */
.nlist{border-top:1px solid var(--line)}
.nlist a{display:grid;grid-template-columns:280px 1fr;gap:34px;padding:34px 0;border-bottom:1px solid var(--line)}
.nlist .pic{height:190px;overflow:hidden;background:#e2e2e2}
.nlist .pic img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.nlist a:hover .pic img{transform:scale(1.05)}
.nlist h3{font-size:16px;font-weight:700;line-height:1.6}
.nlist a:hover h3{color:var(--accent)}
.nlist p{font-size:14px;line-height:1.9;color:var(--muted);margin-top:10px}
.nlist .date{font-size:12px;color:var(--muted);margin-top:18px;letter-spacing:1px}

/* 分页 */
.pager{display:flex;justify-content:center;gap:8px;margin-top:52px}
.pager a,.pager span{min-width:40px;height:40px;line-height:38px;text-align:center;border:1px solid var(--line);font-size:14px;color:var(--text-mid);padding:0 12px}
.pager .on{background:var(--text);border-color:var(--text);color:#fff}
.pager a:hover{border-color:var(--text);color:var(--text)}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--surface);border:1px solid var(--line)}
.stats li{padding:34px 24px;border-left:1px solid var(--line);text-align:center}
.stats li:first-child{border-left:0}
.stats b{display:block;font-size:46px;font-weight:400;line-height:1;letter-spacing:1px}
.stats b span{font-size:14px;color:var(--muted);margin-left:4px;letter-spacing:0}
.stats p{font-size:12px;color:var(--muted);margin-top:12px;letter-spacing:1px}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.c-list li{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.c-list .k{font-size:12px;color:var(--muted);width:74px;flex:0 0 auto;letter-spacing:1px;padding-top:4px}
.c-list .v{font-size:16px;line-height:1.7}
.c-list .v small{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.form-row{display:flex;gap:16px;margin-bottom:16px}
.form-row input,.form-row select,textarea{
  width:100%;height:48px;border:1px solid #dcdcdc;background:var(--surface);
  padding:0 14px;font:400 14px/1 var(--font);color:var(--text);outline:none;transition:border-color .25s;
}
textarea{height:120px;padding:14px;line-height:1.7;resize:vertical}
.form-row input:focus,.form-row select:focus,textarea:focus{border-color:var(--text)}
.map-box{
  height:300px;background:var(--surface);border:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.map-box b{font-size:16px;font-weight:400;letter-spacing:1px}
.map-box p{font-size:12px;color:var(--muted);letter-spacing:.5px}
.map-box .btn{margin-top:6px}

/* 应用场景 / 图文两栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;background:var(--surface)}
.split .pic{min-height:420px;background:#e2e2e2;overflow:hidden}
.split .pic img{width:100%;height:100%;object-fit:cover}
.split .txt{padding:56px 60px;display:flex;flex-direction:column;justify-content:center}
.split .txt .eyebrow{font-size:12px;letter-spacing:5px;color:var(--muted)}
.split .txt h2{font-size:24px;font-weight:400;letter-spacing:2px;line-height:1.6;margin:12px 0 18px}
.split .txt p{font-size:14px;line-height:2.05;color:var(--text-mid)}
.split .txt .btn{margin-top:28px}

/* 优势列表 */
.adv{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line)}
.adv li{background:var(--surface);padding:38px 32px}
.adv i{font-style:normal;font-size:24px;color:#d5d5d5;letter-spacing:1px}
.adv b{display:block;font-size:16px;font-weight:400;margin-top:16px;letter-spacing:1px}
.adv p{font-size:12px;line-height:1.95;color:var(--muted);margin-top:10px}

/* 规格表 */
.spec-table{width:100%;border-collapse:collapse;margin-top:8px}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:14px 18px;font-size:14px;text-align:left}
.spec-table th{background:#fbfbfb;font-weight:400;color:var(--muted);width:120px;font-size:12px}

/* 产品详情 */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:56px;padding-top:52px}
.gallery .main{height:520px;background:#e2e2e2;overflow:hidden}
.gallery .main img{width:100%;height:100%;object-fit:cover}
.gallery .thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}
.gallery .thumbs button{height:96px;overflow:hidden;border:1px solid transparent;opacity:.62;transition:opacity .3s,border-color .3s;padding:0}
.gallery .thumbs button.on{opacity:1;border-color:var(--text)}
.gallery .thumbs img{width:100%;height:100%;object-fit:cover}
.pd-info .eyebrow{font-size:12px;letter-spacing:5px;color:var(--muted)}
.pd-info h1{font-size:24px;font-weight:400;letter-spacing:2px;line-height:1.6;margin:12px 0 18px}
.pd-info .lead{font-size:14px;line-height:2;color:var(--text-mid);padding-bottom:24px;border-bottom:1px solid var(--line)}
.pd-info .spec-table{margin-top:24px}
.pd-info .btns{margin-top:32px}
.pd-info .btns .btn+.btn{margin-left:12px}

/* 咨询条 */
.cta-bar{background:#232528;color:#fff;padding:50px 0}
.cta-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-bar h2{font-size:24px;font-weight:400;letter-spacing:3px}
.cta-bar p{font-size:12px;color:#9a9a9a;margin-top:10px;letter-spacing:1px}
.cta-bar .tel{font-size:21px;letter-spacing:2px;margin-top:14px}

/* 面包屑条 */
.sub-bar{border-bottom:1px solid var(--line);background:var(--surface)}
.sub-bar .wrap{display:flex;align-items:center;justify-content:space-between;height:58px}
.sub-bar .crumb{font-size:12px;color:var(--muted);letter-spacing:.5px}
.sub-bar .crumb a:hover{color:var(--accent)}
.sub-bar .share{font-size:12px;color:var(--muted)}

/* ==========================================================================
   12. 响应式 1024 / 768 / 375
   ========================================================================== */
@media (max-width:1200px){
  .case-txt{left:50%;width:480px}
}
@media (max-width:1024px){
  .header{height:72px}
  .nav a{height:72px;line-height:72px;font-size:16px;padding:0 10px}
  .logo{width:200px}
  .header-cta{display:none}
  .hero,.hero-inner{height:400px}
  .hero h1{font-size:46px}
  .about-inner{width:auto;padding:80px 20px 0}
  .about-hero{height:420px}
  .case{height:520px}
  .case-txt{left:auto;right:40px;width:420px}
  .plist{grid-template-columns:repeat(2,1fr)}
  .pd{grid-template-columns:1fr;gap:36px}
  .gallery .main{height:460px}
  .split{grid-template-columns:1fr}
  .split .pic{min-height:320px}
  .split .txt{padding:44px 32px}
  .f-grid{grid-template-columns:1.6fr 1fr 1.4fr;gap:34px}
  .n-grid{gap:16px}
}
@media (max-width:768px){
  .topbar{display:none}
  .header{height:64px}
  .header .wrap{justify-content:space-between}
  .logo{width:auto}
  .logo-mark{width:32px;height:32px;font-size:14px}
  .logo-txt b{font-size:16px;letter-spacing:2px}
  .logo-txt em{font-size:12px;letter-spacing:1px}
  .nav-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;align-items:flex-end}
  .nav-toggle i{display:block;width:22px;height:1px;background:var(--text)}
  .nav{
    position:fixed;left:0;right:0;top:64px;background:#fff;flex-direction:column;
    border-top:1px solid var(--line);transform:translateY(-120%);transition:transform .4s ease;
    max-height:calc(100vh - 64px);overflow:auto;z-index:90;
  }
  .nav.open{transform:translateY(0)}
  .nav a{height:56px;line-height:56px;border-bottom:1px solid var(--line-soft);padding:0 24px;text-align:left}
  .nav a:hover::after,.nav a.on::after{display:none}
  .hero,.hero-inner{height:404px}
  .hero h1{font-size:24px;line-height:1.6;letter-spacing:2px}
  .hero-eyebrow{letter-spacing:4px;margin-bottom:12px}
  .hero p{font-size:14px}
  .hero-btns{margin-top:24px}
  .hero-btns .btn{width:132px}
  .hero-nav{bottom:12px}
  .hero-dots i{width:24px}
  .trust ul{grid-template-columns:repeat(2,1fr);height:auto;padding:18px 0}
  .trust li{height:auto;padding:14px 0 14px 18px}
  .trust li:nth-child(3){border-left:0;padding-left:0}
  .p-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .p-card{height:170px}
  .band{padding:26px 0}
  .band h2{font-size:24px}
  .about-hero{height:auto;padding:64px 0 56px}
  .about-inner{padding:0 20px}
  .about-inner h2{font-size:24px;line-height:1.7;letter-spacing:2px}
  .about-inner .eyebrow{letter-spacing:3px}
  .about-inner p{font-size:14px}
  .case{height:460px}
  .case-slide::after{background:rgba(12,14,18,.58)}
  .case-txt{left:20px;right:20px;width:auto;top:auto;bottom:88px;transform:none}
  .case-txt h3{font-size:21px;line-height:1.5}
  .case-arrow{display:none}
  .case-thumbs{width:calc(100% - 40px);margin-top:-56px}
  .flow-grid,.flow-grid--3{grid-template-columns:repeat(2,1fr)}
  .flow-item{padding:22px 18px 24px}
  .n-grid{grid-template-columns:1fr;gap:18px}
  .n-card{display:grid;grid-template-columns:130px 1fr}
  .n-card .thumb{height:100%;min-height:104px}
  .n-card .bd{padding:12px 14px}
  .n-card h3{height:auto;font-size:14px}
  .n-card .bd>p:not(.date){display:none}
  .n-card .date{margin-top:8px}
  .footer{padding-top:40px}
  .f-grid{grid-template-columns:1fr;gap:26px}
  .f-desc{max-width:none}
  .copy{height:auto;line-height:1.9;padding:12px 0;margin-top:32px;white-space:normal;overflow:visible}
  .copy .wrap{flex-direction:column;gap:4px}
  .page-head{height:200px}
  .page-head h1{letter-spacing:2px}
  .plist{grid-template-columns:1fr;gap:20px;padding-top:30px}
  .plist .pic{height:230px}
  .filter{padding:22px 0 20px}
  .filter button{padding:0 12px;font-size:14px}
  .nlist a{grid-template-columns:1fr;gap:16px}
  .nlist .pic{height:180px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats li{padding:24px 16px;border-left:1px solid var(--line)}
  .stats li:nth-child(odd){border-left:0}
  .stats li:nth-child(n+3){border-top:1px solid var(--line)}
  .stats b{font-size:46px}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .gapbr{display:none}
  .split .txt{padding:36px 20px}
  .adv{grid-template-columns:1fr}
  .cta-bar .wrap{flex-direction:column;align-items:flex-start;gap:22px}
  .gallery .main{height:320px}
  .gallery .thumbs{grid-template-columns:repeat(4,1fr);gap:6px}
  .gallery .thumbs button{height:64px}
  .pd-info .btns .btn{width:48%}
  .pd-info .btns .btn+.btn{margin-left:0}
  .float{right:14px;bottom:24px}
  .float a,.float button{width:40px;height:40px}
  .sec{padding-bottom:44px}
  .sub-bar .wrap{height:48px}
}
@media (min-width:769px){
  .nav-toggle{display:none}
}