/* ============ Jiangpin Furniture — SC01 Restaurant Site ============ */
:root{
  --ink:#14181d;
  --ink-2:#3a444f;
  --ink-3:#6b7683;
  --line:#e2e6ea;
  --line-2:#eef1f4;
  --bg:#ffffff;
  --bg-2:#f7f8fa;
  --bg-3:#eef1f4;
  --brand:#1F4E79;
  --brand-2:#2a679c;
  --accent:#b8873f;
  --radius:2px;
  --max:1240px;
  --font:"Helvetica Neue",Helvetica,Arial,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--bg);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}

/* ---------- Top bar ---------- */
.topbar{background:var(--ink);color:#cfd6de;font-size:12.5px;letter-spacing:.02em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px;gap:20px}
.topbar a{color:#cfd6de}
.topbar a:hover{color:#fff}
.topbar .tb-right{display:flex;gap:22px;align-items:center}
.topbar .dot{width:5px;height:5px;background:#43c07a;border-radius:50%;display:inline-block;margin-right:6px}
.topbar .tb-short{display:none}
.topbar a,.topbar .tb-long,.topbar .tb-short{white-space:nowrap}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);isolation:isolate}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;gap:30px}
.logo{display:flex;align-items:center;flex-shrink:0;line-height:0}
.logo img{display:block;height:42px;width:auto}
.foot-brand img{display:block;height:40px;width:auto;margin-bottom:18px}
.nav{display:flex;gap:26px;flex:1;justify-content:center}
.nav a{font-size:14px;color:var(--ink-2);padding:6px 0;position:relative;letter-spacing:.01em;white-space:nowrap}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--brand);transition:right .25s}
.nav a:hover{color:var(--brand)}
.nav a:hover::after,.nav a.on::after{right:0}
.nav a.on{color:var(--brand);font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 26px;font-size:14px;font-weight:600;letter-spacing:.02em;border:none;cursor:pointer;border-radius:var(--radius);transition:.22s;white-space:nowrap;font-family:inherit}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--bg-3)}
.btn-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-line:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{padding:10px 20px;font-size:13px}
.hdr-cta{flex-shrink:0}
.burger{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--ink)}

/* ---------- Hero (full-bleed photo) ---------- */
.hero{position:relative;min-height:calc(100vh - 110px);min-height:calc(100svh - 110px);display:flex;align-items:center;overflow:hidden;color:#fff;z-index:1;background:#12171b}
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease}
.hero-slide.is-on{opacity:1}
.hero-slide picture{display:block;width:100%;height:100%}
.hero-slide img{width:100%;height:100%;object-fit:cover;object-position:center 55%;display:block}
.hero-slide.is-on img{animation:heroDrift 12s ease-out both}
@keyframes heroDrift{from{transform:scale(1.055)}to{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){
  .hero-slide{transition:none}
  .hero-slide.is-on img{animation:none}
}
.hero-overlay{position:absolute;inset:0;z-index:1;
  background:linear-gradient(96deg,rgba(10,14,18,.93) 0%,rgba(10,14,18,.78) 36%,rgba(10,14,18,.34) 64%,rgba(10,14,18,.14) 100%)}
.hero-dots{position:absolute;left:50%;transform:translateX(-50%);bottom:26px;z-index:3;display:flex;gap:14px}
.hero-dot{width:38px;height:4px;padding:0;border:none;border-radius:2px;background:rgba(255,255,255,.45);cursor:pointer;transition:background .3s,width .3s}
.hero-dot:hover{background:rgba(255,255,255,.75)}
.hero-dot.is-on{background:#c9a961;width:58px}
.hero-dot:focus-visible{outline:2px solid #c9a961;outline-offset:4px}
.hero .wrap{position:relative;z-index:2;padding-top:44px;padding-bottom:58px;width:100%}
.hero-inner{max-width:680px}
.eyebrow{display:inline-flex;align-items:center;gap:11px;font-size:11px;letter-spacing:.20em;text-transform:uppercase;color:#d8c9a8;margin-bottom:16px;font-weight:600}
.eyebrow::before{content:"";width:30px;height:1px;background:#c9a961}
.hero h1{font-size:clamp(30px,3.6vw,48px);line-height:1.1;letter-spacing:-.022em;font-weight:700;margin-bottom:18px;text-shadow:0 2px 22px rgba(0,0,0,.28)}
.hero-sub{font-size:16px;line-height:1.62;color:rgba(255,255,255,.86);max-width:600px;margin-bottom:26px;text-shadow:0 1px 10px rgba(0,0,0,.3)}
.hero-cta{display:flex;gap:13px;flex-wrap:wrap}
.hero-strip{display:flex;gap:0;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.22);padding-top:18px;margin-top:30px;max-width:620px}
.hero-strip div{padding-right:32px;margin-right:32px;border-right:1px solid rgba(255,255,255,.18)}
.hero-strip div:last-child{border:none;margin:0;padding:0}
.hero-strip b{display:block;font-size:21px;font-weight:700;letter-spacing:-.01em;color:#fff;line-height:1.2}
.hero-strip span{font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:rgba(255,255,255,.62)}

/* ---------- Number band ---------- */
.numbers{background:var(--bg-2);border-bottom:1px solid var(--line)}
.numbers .wrap{display:grid;grid-template-columns:repeat(6,1fr);padding-top:0;padding-bottom:0}
.numbers .cell{padding:34px 14px;border-right:1px solid var(--line);text-align:center}
.numbers .cell:last-child{border:none}
.numbers b{display:block;font-size:29px;font-weight:700;letter-spacing:-.02em;color:var(--brand);line-height:1.15}
.numbers span{font-size:12px;color:var(--ink-3);letter-spacing:.04em;display:block;margin-top:4px}

/* ---------- Sections ---------- */
section{padding:88px 0}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head h2{font-size:clamp(26px,2.7vw,36px);line-height:1.2;letter-spacing:-.018em;font-weight:700;margin-bottom:16px}
.sec-head p{font-size:16px;color:var(--ink-3);line-height:1.72}
.sec-tag{font-size:11.5px;letter-spacing:.19em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:14px;display:block}
.center{text-align:center;margin-left:auto;margin-right:auto}
.bg-alt{background:var(--bg-2)}

/* ---------- Category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.cat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.cat:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:0 14px 34px rgba(20,24,29,.09)}
.cat-img{aspect-ratio:4/3;position:relative;overflow:hidden;background:var(--bg-3)}
.cat-img svg{width:100%;height:100%;display:block}
.cat-body{padding:28px 26px 30px;flex:1;display:flex;flex-direction:column}
.cat-body h3{font-size:20px;font-weight:700;margin-bottom:11px;letter-spacing:-.01em}
.cat-body p{font-size:14.5px;color:var(--ink-3);line-height:1.7;flex:1}
.cat-link{margin-top:20px;font-size:13.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:7px}
.cat:hover .cat-link{gap:12px}
.cat-link{transition:gap .22s}

/* ---------- Why grid ---------- */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.why{background:#fff;padding:38px 34px}
.why-ico{width:42px;height:42px;margin-bottom:20px;color:var(--brand)}
.why h3{font-size:18px;font-weight:700;margin-bottom:12px;letter-spacing:-.01em;line-height:1.35}
.why p{font-size:14.5px;color:var(--ink-2);line-height:1.72}
.why .note{font-size:12.5px;color:var(--ink-3);margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);line-height:1.6}

/* ---------- Venue grid ---------- */
.venue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.venue{border:1px solid var(--line);background:#fff;padding:30px 28px;transition:.25s;position:relative;display:block}
.venue:hover{border-color:var(--brand);background:#fcfdfe}
.venue .vnum{font-size:11.5px;color:var(--accent);font-weight:700;letter-spacing:.14em;margin-bottom:14px;display:block}
.venue h3{font-size:17.5px;font-weight:700;margin-bottom:10px}
.venue p{font-size:14px;color:var(--ink-3);line-height:1.68}
.venue .arrow{position:absolute;top:28px;right:26px;color:var(--line);font-size:18px;transition:.22s}
.venue:hover .arrow{color:var(--brand);transform:translateX(3px)}

/* ---------- Process ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line);margin-top:10px}
.step{padding:34px 26px 34px 0;border-right:1px solid var(--line-2);position:relative}
.step:last-child{border:none}
.step .sn{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--ink-3);margin-bottom:14px;display:block}
.step h3{font-size:15.5px;font-weight:700;margin-bottom:8px}
.step .sday{font-size:13px;color:var(--brand);font-weight:700;margin-bottom:12px;display:block}
.step .sday.free{color:#2f8f5b}
.step p{font-size:13.5px;color:var(--ink-3);line-height:1.68}

/* ---------- Case ---------- */
.case{display:grid;grid-template-columns:1.05fr 1fr;background:#fff;border:1px solid var(--line);overflow:hidden}
.case-img{background:var(--bg-3);min-height:400px;position:relative}
.case-img svg{width:100%;height:100%;position:absolute;inset:0}
/* 平面图：整张图纸完整显示（不裁标注），像一张钉在板上的图 */
.case-img.is-plan{background:#eceff3}
.case-img.is-plan img{position:absolute;inset:22px;width:calc(100% - 44px);height:calc(100% - 44px);
  object-fit:contain;background:#fff;border:1px solid #dfe4ea;box-shadow:0 4px 18px rgba(16,24,32,.10)}
.case-body{padding:52px 48px;display:flex;flex-direction:column;justify-content:center}
.case-meta{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:16px}
.case-body h3{font-size:27px;font-weight:700;letter-spacing:-.018em;margin-bottom:24px}
.case-facts{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:26px}
.case-facts div{background:#fff;padding:15px 17px}
.case-facts dt{font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);margin-bottom:5px}
.case-facts dd{font-size:14px;font-weight:600;color:var(--ink)}
.case-body p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin-bottom:24px}

/* ---------- CTA band ---------- */
.cta-band{background:var(--brand);color:#fff;padding:72px 0}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:44px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(24px,2.5vw,32px);font-weight:700;letter-spacing:-.018em;margin-bottom:10px;line-height:1.25}
.cta-band p{font-size:15.5px;color:#c3d6e8;max-width:620px;line-height:1.7}

/* ---------- Footer ---------- */
.footer{background:#0f1419;color:#93a1b0;padding:66px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:52px}
.foot-brand b{font-size:19px;letter-spacing:.14em;color:#fff;display:block;margin-bottom:16px}
.foot-brand p{font-size:13.5px;line-height:1.75;color:#7d8b9a;max-width:300px}
.footer h4{font-size:11.5px;letter-spacing:.17em;text-transform:uppercase;color:#fff;margin-bottom:18px;font-weight:700}
.footer li{margin-bottom:11px}
.footer li a{font-size:13.5px;color:#93a1b0;transition:.18s}
.footer li a:hover{color:#fff}
.foot-bottom{border-top:1px solid #222b34;padding:22px 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12.5px;color:#6b7a89}
.foot-bottom a{color:#6b7a89}
.foot-bottom a:hover{color:#fff}
.legal-links{display:flex;gap:22px}

/* ---------- Page hero (inner pages) ---------- */
.phero{background:var(--bg-2);border-bottom:1px solid var(--line);padding:62px 0 54px}
.crumb{font-size:12.5px;color:var(--ink-3);margin-bottom:20px}
.crumb a:hover{color:var(--brand)}
.crumb span{margin:0 8px;opacity:.5}
.phero h1{font-size:clamp(29px,3.3vw,44px);line-height:1.14;letter-spacing:-.022em;font-weight:700;margin-bottom:20px;max-width:900px}
.phero .lead{font-size:16.5px;color:var(--ink-2);max-width:820px;line-height:1.75;margin-bottom:26px}
.phero .pcta{display:flex;gap:13px;flex-wrap:wrap;align-items:center}
.phero .pcta small{font-size:13px;color:var(--ink-3)}
/* 分类页带图头图：左文右图 */
.phero.split-hero .wrap{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.phero.split-hero .phs-txt{min-width:0}
.phero.split-hero .phs-fig{border:1px solid var(--line);background:#fff;overflow:hidden;min-width:0}
.phero.split-hero .phs-fig img{width:100%;height:auto;display:block}
.phero.split-hero .phs-cap{font-size:11.5px;color:#7c8895;letter-spacing:.03em;line-height:1.55;padding:11px 16px;border-top:1px solid var(--line);background:#fff}

/* ---------- Page hero with photo ---------- */
.phero.photo{position:relative;background:#141a20;border:none;padding:0;min-height:420px;display:flex;align-items:flex-end;overflow:hidden}
.phero.photo .ph-bg{position:absolute;inset:0;z-index:0}
.phero.photo .ph-bg img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
.phero.photo::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(10,14,18,.88) 0%,rgba(10,14,18,.66) 46%,rgba(10,14,18,.22) 100%)}
.phero.photo .wrap{position:relative;z-index:2;padding-top:110px;padding-bottom:52px;width:100%}
.phero.photo .crumb{color:rgba(255,255,255,.62)}
.phero.photo .crumb a{color:rgba(255,255,255,.62)}
.phero.photo .crumb a:hover{color:#fff}
.phero.photo h1{color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.3)}
.phero.photo .lead{color:rgba(255,255,255,.84)}
.phero.photo .pcta small{color:rgba(255,255,255,.6)}
.phero.photo .btn-primary{background:#fff;color:var(--brand)}
.phero.photo .btn-primary:hover{background:#eef1f4}

/* ---------- Product grid ---------- */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pcard{border:1px solid var(--line);background:#fff;transition:.25s;display:flex;flex-direction:column;overflow:hidden}
.pcard:hover{border-color:var(--brand);box-shadow:0 12px 28px rgba(20,24,29,.08)}
.pcard-img{aspect-ratio:1/1;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,#f2f4f6 0%,#e8ecf0 100%);border-bottom:1px solid var(--line-2)}
.pcard-img::after{content:attr(data-model);font-size:12px;letter-spacing:.22em;color:#a9b4bf;font-weight:600}
.pcard-img svg{width:100%;height:100%}
/* 有实拍图的产品卡：白底 + 图片铺满 */
.pcard-img.has-photo{background:#fff;display:block}
.pcard-img.has-photo::after{content:none}
.pcard-img.has-photo img{width:100%;height:100%;object-fit:contain;display:block;padding:8px;box-sizing:border-box;transition:transform .55s cubic-bezier(.2,.7,.3,1)}
.pcard:hover .pcard-img.has-photo img{transform:scale(1.045)}
/* 产品详情页图集 */
.pgal{display:flex;flex-direction:column;gap:10px}
.pgal-main{aspect-ratio:4/3;background:#fff;border:1px solid var(--line);overflow:hidden;display:flex;align-items:center;justify-content:center}
.pgal-main img{width:100%;height:100%;object-fit:contain;display:block}
.pgal-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.pgal-th{padding:0;border:1px solid var(--line);background:#fff;cursor:pointer;aspect-ratio:1/1;overflow:hidden;display:block;transition:.2s}
.pgal-th img{width:100%;height:100%;object-fit:contain;display:block;background:#fff}
.pgal-th:hover{border-color:var(--brand)}
.pgal-th.on{border-color:var(--brand);box-shadow:0 0 0 2px rgba(31,78,121,.18)}
/* 产品视频 */
.pvid{margin-top:22px;border:1px solid var(--line);background:#fff;overflow:hidden}
.pvid video{display:block;width:100%;height:auto;background:#0d1218}
.pvid-cap{font-size:12px;color:#6b7683;line-height:1.6;padding:11px 14px;border-top:1px solid var(--line)}
/* 产品详情页实景专区 */
.pscenes{margin-top:26px}
.pscenes-h{font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:#6b7683;
  font-weight:700;padding-bottom:9px;border-bottom:1px solid var(--line);margin-bottom:14px}
.pscene{margin:0 0 14px;border:1px solid var(--line);background:#fff;overflow:hidden}
.pscene img{display:block;width:100%;height:auto}
.pscene figcaption{font-size:12px;color:#6b7683;line-height:1.6;padding:10px 13px;border-top:1px solid var(--line)}
/* 无图阶段：类目图位也改成色块 */
.ph-none{position:relative;display:block;overflow:hidden;
  background:linear-gradient(135deg,#f7f8fa 0%,#eef1f4 48%,#e7ebef 100%)}
.ph-none::before{content:"";position:absolute;inset:0;z-index:1;
  background-image:linear-gradient(rgba(31,78,121,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(31,78,121,.055) 1px,transparent 1px);
  background-size:28px 28px}
.ph-none::after{content:attr(data-ph);position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);z-index:3;
  font-size:11px;letter-spacing:.22em;color:#8b9aa8;white-space:nowrap;font-weight:600}
.gtile-ph .ph-none::after,.pwall .ph-none::after{color:#a9b6c2}
/* 类目栏色块：保留渐变遮罩，只藏掉文字标签 */
.gtile-ph .ph-none{position:relative;display:block;width:100%;height:100%}
.pwall .ph-none{position:absolute;inset:0}
.pcard-body{padding:18px 17px 20px;flex:1;display:flex;flex-direction:column;border-top:1px solid var(--line-2)}
.pcard-cat{font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);margin-bottom:7px;font-weight:600}
.pcard h3{font-size:14.5px;font-weight:600;line-height:1.42;margin-bottom:10px;flex:1}
.pcard .model{font-size:11.5px;color:var(--ink-3);letter-spacing:.05em}
.pcard .tag-150{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.06em;color:#2f8f5b;background:#eaf6ef;padding:2px 7px;margin-top:9px;align-self:flex-start}

/* filter bar */
.filterbar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:34px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.filterbar button{background:#fff;border:1px solid var(--line);padding:9px 18px;font-size:13px;cursor:pointer;font-family:inherit;color:var(--ink-2);transition:.2s;border-radius:var(--radius)}
.filterbar button:hover{border-color:var(--brand);color:var(--brand)}
.filterbar button.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

/* ---------- 列表分页（每页 8 个） ---------- */
.pgrid.is-paging .pcard{display:none}
.pgrid.is-paging .pcard.on{display:flex}
.pager{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;margin-top:46px;padding-top:26px;border-top:1px solid var(--line)}
.pager button{min-width:40px;height:40px;padding:0 13px;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:13.5px;font-family:inherit;cursor:pointer;transition:.2s;border-radius:var(--radius);
  display:inline-flex;align-items:center;justify-content:center}
.pager button:hover:not(:disabled){border-color:var(--brand);color:var(--brand)}
.pager button.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pager button:disabled{opacity:.38;cursor:default}
.pager .gap{padding:0 2px;color:var(--ink-3);font-size:13px;user-select:none}
.pager .pg-info{margin-left:12px;font-size:13px;color:var(--ink-3);letter-spacing:.02em}
@media(max-width:640px){
  .pager{gap:5px;margin-top:34px}
  .pager button{min-width:34px;height:34px;padding:0 9px;font-size:13px}
  .pager .pg-info{display:none}
}

/* ---------- Long SEO copy ---------- */
.longcopy{max-width:900px}
.longcopy p{font-size:15.5px;line-height:1.86;color:var(--ink-2);margin-bottom:22px}
.longcopy p strong{color:var(--ink);font-weight:700}
.longcopy a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
.longcopy a:hover{color:var(--brand-2)}

/* ---------- Spec table ---------- */
.spec-table{width:100%;border-collapse:collapse;font-size:14.5px}
.spec-table tr{border-bottom:1px solid var(--line-2)}
.spec-table th{text-align:left;padding:14px 0;font-weight:600;color:var(--ink-3);width:38%;font-size:13.5px;vertical-align:top}
.spec-table td{padding:14px 0;color:var(--ink);vertical-align:top}

/* ---------- FAQ ---------- */
.faq{max-width:900px}
.faq details{border-bottom:1px solid var(--line);padding:0}
.faq summary{padding:22px 40px 22px 0;cursor:pointer;font-size:16px;font-weight:600;list-style:none;position:relative;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:21px;color:var(--brand);font-weight:400;transition:.2s}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 40px 24px 0;font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:64px;align-items:start}
.form-row{margin-bottom:20px}
.form-row label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:var(--ink-2)}
.form-row label .req{color:#c0392b}
.form-row input,.form-row textarea,.form-row select{width:100%;padding:13px 15px;border:1px solid var(--line);font-size:14.5px;font-family:inherit;border-radius:var(--radius);background:#fff;transition:.2s;color:var(--ink)}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,78,121,.08)}
.form-row textarea{min-height:132px;resize:vertical}
.form-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:13px;color:var(--ink-3);margin-bottom:20px;line-height:1.7}
.contact-side{border:1px solid var(--line);background:var(--bg-2);padding:34px 30px}
.contact-side h3{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px;font-weight:700;margin-top:30px}
.contact-side h3:first-child{margin-top:0}
.contact-side p{font-size:14.5px;line-height:1.75;color:var(--ink-2)}
.contact-side a{color:var(--brand);font-weight:600}
.contact-side a:hover{text-decoration:underline}

/* ---------- Solution planning blocks ---------- */
.plan-h3 h3{font-size:18.5px;font-weight:700;letter-spacing:-.008em;color:var(--ink);margin:30px 0 10px;line-height:1.4;padding-top:26px;border-top:1px solid var(--line-2);display:flex;align-items:baseline;gap:0}
.plan-h3 h3:first-child{border-top:none;padding-top:0;margin-top:0}
.plan-h3 h3 span{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--accent);flex-shrink:0}
.plan-h3 p{margin-bottom:0!important;font-size:15px!important;line-height:1.82!important;color:var(--ink-2)}

/* ---------- Related ---------- */
.related{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}

/* ---------- Utility ---------- */
.mt-40{margin-top:40px}
.mt-56{margin-top:56px}
.mb-0{margin-bottom:0}

/* ---------- Reveal animation（无 JS 时也必须可见）---------- */
.js-anim .rv{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.js-anim .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js-anim .rv{opacity:1;transform:none;transition:none}}

/* ---------- Category gallery (4-up photo tiles) ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;height:auto}
.gtile{position:relative;display:flex;flex-direction:column;align-items:stretch;background:#fff;border-right:1px solid var(--line);text-decoration:none;overflow:visible}
.gtile:last-child{border-right:none}
.gtile-ph{position:relative;display:block;width:100%;height:230px;flex:0 0 230px;overflow:hidden;background:var(--bg-3)}
.gtile-ph.is-photo{background:#fff}
.gtile-ph.is-photo img{width:100%;height:100%;object-fit:contain;padding:6px;box-sizing:border-box}
.gtile-ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.gtile:hover .gtile-ph img{transform:scale(1.06)}
.gtile:hover img{transform:scale(1.055)}
.gtile.has-ph::after{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(to top,rgba(12,17,22,.84) 0%,rgba(12,17,22,.30) 34%,rgba(12,17,22,0) 64%)}
.gtile-t{padding:20px 20px 24px;color:#14181d;border-top:1px solid var(--line)}
.gtile-t b{color:var(--ink)}.gtile-t span{color:var(--ink-3)!important}
.gtile-t b{display:block;font-size:13.5px;font-weight:700;letter-spacing:.10em;text-transform:uppercase;margin-bottom:6px;color:#14181d}
.gtile-t span{font-size:12.5px;color:#6b7683;letter-spacing:.01em;display:block}
.gtile-t i{display:inline-block;font-style:normal;font-size:11.5px;font-weight:600;color:var(--brand);margin-top:10px;transition:.25s}
.gtile:hover .gtile-t i{transform:translateX(4px)}

/* ---------- Split panel (image left / text right) ---------- */
.split{display:grid;grid-template-columns:1fr;background:#faf8f5;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.split-img{position:relative;overflow:hidden;min-height:420px}
.split-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.split-body{padding:78px 64px;display:flex;flex-direction:column;justify-content:center;background:#faf8f5;max-width:1120px;margin:0 auto;width:100%}
.split-body h2{font-size:clamp(25px,2.5vw,34px);line-height:1.18;letter-spacing:-.018em;font-weight:700;margin-bottom:20px;max-width:560px}
.split-body>p{font-size:15px;color:var(--ink-2);line-height:1.78;margin-bottom:28px;max-width:700px}
.split-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 40px;margin-bottom:32px;max-width:820px}
.split-list a{font-size:13.5px;color:var(--ink-2);padding:11px 0;border-bottom:1px solid #e6e2db;display:flex;justify-content:space-between;align-items:center;transition:.2s}
.split-list a:hover{color:var(--brand);padding-left:4px}
.split-list a span{color:#b5ab99;font-size:15px}

/* ---------- Projects wall ---------- */
.pwall{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;grid-auto-rows:380px}
.pwall a{position:relative;overflow:hidden;display:block;background:var(--bg-3)}


.pwall img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.pwall a:hover img{transform:scale(1.05)}
.pwall a.has-ph::after{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(to top,rgba(10,14,18,.80) 0%,rgba(10,14,18,.20) 42%,transparent 68%)}
.pw-t{position:absolute;left:0;right:0;bottom:0;z-index:4;color:var(--ink);padding:14px 18px 16px;
  background:linear-gradient(to top,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 58%,rgba(255,255,255,.62) 88%,transparent 100%)}
.pw-t b{color:var(--ink)}.pw-t small{color:var(--ink-3)!important}
.pw-t small{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:#7c8895;display:block;margin-bottom:6px}
.pw-t b{font-size:16px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;display:block;line-height:1.3}





/* ---------- Logo wall ---------- */
.logowall{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.logowall .lbl{text-align:center;font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:#a8b1ba;margin-bottom:26px}
.logos{display:flex;justify-content:center;align-items:center;gap:56px;flex-wrap:wrap}
.logos div{font-size:17px;font-weight:700;letter-spacing:.06em;color:#b0b8c0;transition:.25s;filter:grayscale(1);opacity:.85}
.logos div:hover{color:var(--ink-2);opacity:1}
.logos div small{display:block;font-size:8.5px;letter-spacing:.18em;font-weight:400;text-align:center;margin-top:2px}

/* ---------- Mobile ---------- */
@media(max-width:1080px){
  .numbers .wrap{grid-template-columns:repeat(3,1fr)}
  .numbers .cell:nth-child(3){border-right:none}
  .numbers .cell{padding:26px 10px}
  .numbers .cell:nth-child(n+4){border-top:1px solid var(--line)}
  .cat-grid{grid-template-columns:1fr 1fr}
  .venue-grid{grid-template-columns:1fr 1fr}
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .process{grid-template-columns:1fr 1fr}
  .step{border-bottom:1px solid var(--line-2)}
  .case{grid-template-columns:1fr}
  .case-img{min-height:280px}
  .contact-grid{grid-template-columns:1fr;gap:44px}
  .related{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:780px){
  .wrap{padding:0 18px}
  .nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:12px 0;border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(0,0,0,.09)}
  .nav.open{display:flex}
  .nav a{padding:13px 22px;font-size:15px}
  .nav a::after{display:none}
  .burger{display:block}
  .hdr-cta{display:none}
  .header .wrap{height:66px}
  .logo img{height:36px}
  .foot-brand img{height:36px}
  .hero{min-height:calc(100vh - 101px);min-height:calc(100svh - 101px)}
  .hero .wrap{padding-top:32px;padding-bottom:34px}
  .hero-dots{bottom:16px;gap:11px}
  .hero-dot{width:30px}
  .hero-dot.is-on{width:46px}
  .hero-overlay{background:linear-gradient(180deg,rgba(12,17,22,.72) 0%,rgba(12,17,22,.80) 60%,rgba(12,17,22,.88) 100%)}
  .gallery{grid-template-columns:1fr 1fr}
  .gtile-ph{height:180px}
  .split{grid-template-columns:1fr}
  .split-img{min-height:300px}
  .split-body{padding:44px 24px}
  .phero.split-hero .wrap{grid-template-columns:1fr;gap:30px}
  .phero.split-hero .phs-fig{order:-1}
  .pwall{grid-template-columns:1fr;grid-template-rows:auto;height:auto}
  .pwall a{height:260px}
  .pwall a:first-child{grid-row:auto;height:340px}
  .logos{gap:28px}
  .hero-strip div{padding-right:22px;margin-right:22px}
  .hero-strip b{font-size:19px}
  section{padding:58px 0}
  .cat-grid{grid-template-columns:1fr}
  .venue-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .pgrid{grid-template-columns:1fr 1fr}
  .process{grid-template-columns:1fr}
  .step{border-right:none}
  .related{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .topbar .tb-right a:not(:last-child){display:none}
  .topbar{font-size:11.5px}
  .topbar .wrap{height:34px;gap:12px}
  .topbar .tb-long{display:none}
  .topbar .tb-short{display:inline}
  .form-2{grid-template-columns:1fr}
  .case-body{padding:32px 24px}
  .case-facts{grid-template-columns:1fr}
  .phero{padding:40px 0 36px}
  .cta-band .wrap{gap:26px}
}
@media(max-width:430px){
  .pgrid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
}

/* ---------- 产品详情页两栏（移动端自动堆叠） ---------- */
.pd-split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}

/* ---------- 产品详情页头：标题与规格同板块 ---------- */
.pd-head{background:#fff;border-bottom:1px solid var(--line);padding:30px 0 62px}
.pd-head .crumb{margin-bottom:24px}
.pd-head .pd-split{grid-template-columns:1.02fr .98fr;gap:56px}
.pd-head .pd-media,.pd-head .pd-info{min-width:0}
.pd-head h1{font-size:clamp(24px,2.35vw,33px);line-height:1.18;letter-spacing:-.02em;font-weight:700;margin-bottom:15px}
.pd-head .lead{font-size:15.5px;color:var(--ink-2);line-height:1.72;margin-bottom:22px}
.pd-head .pcta{display:flex;gap:13px;flex-wrap:wrap;align-items:center;padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:28px}
.pd-head .pcta small{font-size:13px;color:var(--ink-3)}
.pd-spec-title{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px;font-weight:700}
.pd-head .pgal-main{aspect-ratio:1/1}
.pd-head .pd-specs .spec-table{font-size:14px}
.pd-head .pd-specs .spec-table th{width:34%}
.pd-head .pd-specs .spec-table th,.pd-head .pd-specs .spec-table td{padding:12px 0}
.pd-notes{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:38px}
.pd-notes>div{margin-top:0 !important}
@media(max-width:900px){
  .pd-head{padding:22px 0 44px}
  .pd-head .pd-split{grid-template-columns:1fr;gap:26px}
  .pd-head .pd-info{order:-1}
  .pd-notes{grid-template-columns:1fr;gap:12px;margin-top:24px}
}
@media(max-width:900px){
  .pd-split{grid-template-columns:1fr;gap:34px}
  .pgal-row{grid-template-columns:repeat(4,1fr);gap:8px}
  .pscene figcaption,.pvid-cap{font-size:11.5px}
  .spec-table th{width:38%}
}

/* ---------- WhatsApp 悬浮入口 ---------- */
.wa-fab{position:fixed;right:24px;bottom:24px;z-index:95;width:56px;height:56px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(18,24,30,.22);transition:background .2s,transform .2s,box-shadow .2s}
.wa-fab:hover{background:#1eb257;transform:translateY(-2px);box-shadow:0 14px 30px rgba(18,24,30,.3)}
.wa-fab:focus-visible{outline:2px solid #14181d;outline-offset:3px}
.wa-fab svg{width:30px;height:30px;fill:#fff;display:block}
.wa-fab-tip{position:absolute;right:70px;top:50%;transform:translateY(-50%) translateX(6px);
  white-space:nowrap;background:#14181d;color:#fff;font-size:13px;line-height:1;padding:10px 13px;
  border-radius:var(--radius);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.wa-fab:hover .wa-fab-tip,.wa-fab:focus-visible .wa-fab-tip{opacity:1;transform:translateY(-50%) translateX(0)}
@media(max-width:700px){.wa-fab{right:14px;bottom:14px;width:52px;height:52px}.wa-fab svg{width:28px;height:28px}.wa-fab-tip{display:none}}

/* ---------- Insights 文章 ---------- */
.art-meta{display:flex;gap:9px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--ink-3);letter-spacing:.02em;margin-top:6px}
.art-meta span{opacity:.55}
.art-body h2{font-size:clamp(21px,2.2vw,27px);line-height:1.3;letter-spacing:-.015em;font-weight:700;color:var(--ink);margin:46px 0 16px}
.art-body h2:first-child{margin-top:0}
.art-body h3{font-size:17.5px;line-height:1.45;font-weight:700;color:var(--ink);margin:30px 0 10px}
.art-body p{font-size:16.5px;line-height:1.8}
.art-body p:last-child{margin-bottom:0}
.art-body a{color:var(--brand);text-decoration:underline;text-underline-offset:2px;font-weight:500}
.art-body a:hover{color:var(--brand-2)}

.artlist{max-width:880px}
.art-item{display:block;border-top:1px solid var(--line);padding:32px 0;transition:opacity .2s}
.art-item:last-child{border-bottom:1px solid var(--line)}
.art-item-tag{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:11px}
.art-item h3{font-size:clamp(19px,2vw,24px);line-height:1.32;letter-spacing:-.012em;font-weight:700;margin-bottom:12px;color:var(--ink);transition:color .2s}
.art-item:hover h3{color:var(--brand)}
.art-item p{font-size:15.5px;line-height:1.75;color:var(--ink-3);margin-bottom:14px;max-width:760px}
.art-item-meta{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--ink-3)}
.art-item-meta span{opacity:.55}
@media(max-width:700px){
  .art-body h2{margin:34px 0 12px}
  .art-body p{font-size:16px;line-height:1.75}
  .art-item{padding:26px 0}
}