/* ============================================
   054 · 森居家具 · 高端家具与家居
   风格：暖色有机风 Warm Organic
   主色：#8B6E4E 原木棕 + #F8F4EE 奶油白
   特点：圆角柔和、暖色调、衬线标题感、大图留白
   ============================================ */

:root {
  --bg: #FAF8F5;
  --bg-2: #F2EDE6;
  --bg-3: #2C2420;
  --card: #ffffff;
  --text: #2C2420;
  --text-2: #7A7067;
  --text-3: #A69E95;
  --brown: #8B6E4E;
  --brown-light: #C4A882;
  --brown-hover: #7A5F41;
  --white: #ffffff;
  --border: #E8E2DA;
  --font: 'Georgia','PingFang SC','Microsoft YaHei','Times New Roman',serif;
  --font-sans: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --ease: cubic-bezier(.4,0,.2,1);
  --tr: .35s var(--ease);
  --r: 16px;
  --mw: 1100px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body{font-family:var(--font-sans);color:var(--text);background:var(--bg);line-height:1.7}
a{text-decoration:none;color:inherit;transition:color var(--tr)}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
button{border:none;background:none;cursor:pointer;font-family:inherit}

.container{width:100%;max-width:var(--mw);margin:0 auto;padding:0 40px}
@media(max-width:1024px){.container{padding:0 24px}}
@media(max-width:640px){.container{padding:0 18px}}

/* --- 按钮 --- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;font-size:14px;font-weight:500;border-radius:50px;transition:all var(--tr);cursor:pointer;font-family:var(--font-sans)}
.btn-brown{background:var(--brown);color:var(--white)}
.btn-brown:hover{background:var(--brown-hover)}
.btn-outline{border:1.5px solid var(--brown);color:var(--brown);background:transparent}
.btn-outline:hover{background:var(--brown);color:var(--white)}
.btn-dark{background:var(--bg-3);color:var(--white)}
.btn-dark:hover{background:#3d342e}
.btn-link{color:var(--brown);font-size:15px;font-weight:500;padding:0}
.btn-link:hover{text-decoration:underline}

/* --- 导航 --- */
.site-nav{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:all var(--tr)}
.site-nav.at-top{background:transparent}
.site-nav.scrolled{background:rgba(250,248,245,.92);backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:34px;height:34px;background:var(--brown);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--white)}
.logo-text{font-size:16px;font-weight:600;color:var(--text);font-family:var(--font);letter-spacing:.5px}
.at-top .logo-text{color:var(--white)}
.scrolled .logo-text{color:var(--text)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:8px 16px;font-size:13px;font-weight:500;border-radius:8px;transition:all var(--tr);font-family:var(--font-sans)}
.at-top .nav-links a{color:rgba(255,255,255,.8)}
.at-top .nav-links a:hover,.at-top .nav-links a.active{color:var(--white);background:rgba(255,255,255,.1)}
.scrolled .nav-links a{color:var(--text-2)}
.scrolled .nav-links a:hover,.scrolled .nav-links a.active{color:var(--brown)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-lang{font-size:11px;color:var(--text-3);padding:5px 10px;border-radius:6px;border:1px solid var(--border)}
.at-top .nav-lang{color:rgba(255,255,255,.5);border-color:rgba(255,255,255,.2)}
.nav-quote{padding:10px 22px;font-size:12px;font-weight:600;border-radius:50px;background:var(--brown);color:var(--white)}
.at-top .nav-quote{background:var(--white);color:var(--text)}
.nav-quote:hover{opacity:.9}
.mobile-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.mobile-toggle span{width:20px;height:1.5px;background:var(--text);border-radius:1px}
.at-top .mobile-toggle span{background:var(--white)}
@media(max-width:1024px){.nav-links,.nav-lang{display:none}.mobile-toggle{display:flex}}
/* 移动端菜单展开 */
.nav-links.mobile-open{display:flex;position:fixed;top:0;left:0;width:100%;height:100vh;background:rgba(44,36,32,0.95);flex-direction:column;align-items:center;justify-content:center;gap:8px;z-index:9999}
.nav-links.mobile-open a{color:#fff;font-size:18px;padding:14px 32px;border-radius:8px;font-family:var(--font);transition:background 0.2s}
.nav-links.mobile-open a:hover,.nav-links.mobile-open a.active{color:var(--brown-light);background:rgba(255,255,255,0.06)}

/* ===== HERO - 全幅大图 + 居中文案 ===== */
.hero{position:relative;width:100%;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-slider{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity 1.2s var(--ease),visibility 1.2s}
.hero-slide.active{opacity:1;visibility:visible;z-index:1}
.hero-slide .hero-bg{position:absolute;inset:0}
.hero-slide .hero-bg img{width:100%;height:100%;object-fit:cover;transition:transform 12s linear}
.hero-slide.active .hero-bg img{transform:scale(1.06)}
.hero-overlay{position:absolute;inset:0;background:rgba(44,36,32,.4);z-index:1}
.hero-body{position:relative;z-index:2;text-align:center;padding:0 24px}
.hero-title{font-family:var(--font);font-size:52px;font-weight:400;color:var(--white);line-height:1.15;letter-spacing:-.5px;margin-bottom:16px}
.hero-desc{font-size:17px;color:rgba(255,255,255,.75);max-width:420px;margin:0 auto 28px;line-height:1.7}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-controls{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);z-index:3;display:flex;align-items:center;gap:24px}
.hero-arrows{display:flex;gap:8px}
.hero-prev,.hero-next{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.12);border-radius:50%;color:var(--white);cursor:pointer;transition:all var(--tr);backdrop-filter:blur(8px)}
.hero-prev:hover,.hero-next:hover{background:rgba(255,255,255,.25)}
.hero-prev svg,.hero-next svg{width:16px;height:16px}
.hero-dots{display:flex;gap:8px}
.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.3);border:none;cursor:pointer;transition:all var(--tr)}
.hero-dot.active{background:var(--white);transform:scale(1.3)}
@media(max-width:640px){.hero-title{font-size:36px}}

/* ===== 板块通用 ===== */
.sec{padding:100px 0}
.sec-cream{background:var(--bg-2)}
.sec-dark{background:var(--bg-3);color:var(--white)}
.sec-head{margin-bottom:56px}
.sec-label{font-family:var(--font-sans);font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--brown);margin-bottom:10px;display:block}
.sec-title{font-family:var(--font);font-size:38px;font-weight:400;line-height:1.2;letter-spacing:-.3px}
.sec-sub{font-size:15px;color:var(--text-2);margin-top:10px;max-width:480px;line-height:1.7}
.sec-head.center{text-align:center}
.sec-head.center .sec-sub{margin-left:auto;margin-right:auto}

/* ===== 产品 - 大图悬浮卡 ===== */
.collection-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.col-card{display:block;border-radius:var(--r);overflow:hidden;background:var(--card);box-shadow:0 2px 16px rgba(0,0,0,.04);transition:all var(--tr)}
.col-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.08)}
.col-card-img{aspect-ratio:3/4;overflow:hidden}
.col-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.col-card:hover .col-card-img img{transform:scale(1.05)}
.col-card-body{padding:24px}
.col-card-body h3{font-family:var(--font);font-size:20px;font-weight:400;margin-bottom:6px}
.col-card-body p{font-size:13px;color:var(--text-2);line-height:1.55;margin-bottom:12px}
.col-card-body .btn-link{font-size:13px}
@media(max-width:768px){.collection-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}}

/* ===== 场景展示 - 全幅沉浸 ===== */
.scene-block{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden}
.scene-block-bg{position:absolute;inset:0}
.scene-block-bg img{width:100%;height:100%;object-fit:cover}
.scene-block-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(44,36,32,.75) 0%,transparent 65%);z-index:1}
.scene-block-body{position:relative;z-index:2;max-width:440px;padding:64px}
.scene-block-body h2{font-family:var(--font);font-size:36px;font-weight:400;color:var(--white);margin-bottom:12px;line-height:1.2}
.scene-block-body p{font-size:15px;color:rgba(255,255,255,.7);line-height:1.7;margin-bottom:24px}
@media(max-width:640px){.scene-block{min-height:400px}.scene-block-body{padding:32px 24px}.scene-block-body h2{font-size:28px}}

/* ===== 服务流程 - 圆形步骤 ===== */
.process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;text-align:center}
.process-step .step-num{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;border:2px solid var(--brown-light);display:flex;align-items:center;justify-content:center;font-family:var(--font);font-size:24px;color:var(--brown);transition:all var(--tr)}
.process-step:hover .step-num{background:var(--brown);color:var(--white);border-color:var(--brown)}
.process-step h4{font-family:var(--font);font-size:18px;font-weight:400;margin-bottom:6px}
.process-step p{font-size:13px;color:var(--text-2);line-height:1.55}
@media(max-width:768px){.process-row{grid-template-columns:repeat(2,1fr);gap:28px}}
@media(max-width:480px){.process-row{grid-template-columns:1fr}}

/* ===== 案例 - 大图 + 侧面信息 ===== */
.showcase{display:grid;grid-template-columns:1.3fr 1fr;gap:0;border-radius:var(--r);overflow:hidden;background:var(--card);box-shadow:0 2px 20px rgba(0,0,0,.05);margin-bottom:24px}
.showcase:nth-child(even){grid-template-columns:1fr 1.3fr;direction:rtl}
.showcase:nth-child(even)>*{direction:ltr}
.showcase-img{overflow:hidden}
.showcase-img img{width:100%;height:100%;min-height:340px;object-fit:cover;transition:transform .7s var(--ease)}
.showcase:hover .showcase-img img{transform:scale(1.04)}
.showcase-body{padding:48px 40px;display:flex;flex-direction:column;justify-content:center}
.showcase-body .case-tag{display:inline-block;width:fit-content;padding:4px 14px;font-size:11px;font-weight:600;letter-spacing:1px;color:var(--brown);border:1px solid var(--brown-light);border-radius:50px;margin-bottom:16px}
.showcase-body h3{font-family:var(--font);font-size:24px;font-weight:400;margin-bottom:10px;line-height:1.3}
.showcase-body p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:18px}
.showcase-body .btn-link{font-size:14px}
@media(max-width:768px){.showcase,.showcase:nth-child(even){grid-template-columns:1fr;direction:ltr}.showcase-img img{min-height:240px}.showcase-body{padding:28px 24px}}

/* ===== 材质/工艺 ===== */
.material-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mat-card{text-align:center;padding:28px 16px;border-radius:var(--r);background:var(--card);transition:all var(--tr)}
.mat-card:hover{box-shadow:0 8px 28px rgba(0,0,0,.06);transform:translateY(-3px)}
.mat-card-img{width:80px;height:80px;border-radius:50%;overflow:hidden;margin:0 auto 14px}
.mat-card-img img{width:100%;height:100%;object-fit:cover}
.mat-card h4{font-family:var(--font);font-size:16px;font-weight:400;margin-bottom:4px}
.mat-card p{font-size:12px;color:var(--text-2)}
@media(max-width:768px){.material-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== 博客 ===== */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.b-card{display:block;border-radius:var(--r);overflow:hidden;background:var(--card);box-shadow:0 1px 8px rgba(0,0,0,.03);transition:all var(--tr)}
.b-card:hover{box-shadow:0 8px 28px rgba(0,0,0,.07);transform:translateY(-4px)}
.b-card-img{aspect-ratio:16/10;overflow:hidden}
.b-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.b-card:hover .b-card-img img{transform:scale(1.04)}
.b-card-body{padding:20px}
.b-card-meta{font-size:12px;color:var(--text-3);margin-bottom:8px}
.b-card-title{font-family:var(--font);font-size:16px;font-weight:400;line-height:1.4;margin-bottom:4px}
.b-card-desc{font-size:13px;color:var(--text-2);line-height:1.55}
.blog-head-row{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:40px}
.blog-more{font-size:14px;color:var(--brown)}
.blog-more:hover{text-decoration:underline}
@media(max-width:768px){.blog-grid{grid-template-columns:1fr}}

/* ===== CTA ===== */
.cta-sec{padding:100px 0;background:var(--bg-3);text-align:center}
.cta-sec h2{font-family:var(--font);font-size:36px;font-weight:400;color:var(--white);margin-bottom:12px}
.cta-sec p{font-size:16px;color:rgba(255,255,255,.55);max-width:420px;margin:0 auto 28px;line-height:1.65}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-3);padding-top:48px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.06)}
.footer-brand .logo-text{color:var(--white);font-family:var(--font);font-size:16px}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.3);line-height:1.6;margin-top:10px;max-width:240px}
.footer-social{display:flex;gap:8px;margin-top:14px}
.footer-social a{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.08);border-radius:50%;color:rgba(255,255,255,.3);font-size:11px;font-weight:600;transition:all var(--tr)}
.footer-social a:hover{color:var(--brown-light);border-color:var(--brown-light)}
.footer-col h4{font-size:10px;font-weight:600;color:rgba(255,255,255,.3);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px;font-family:var(--font-sans)}
.footer-col ul{display:flex;flex-direction:column;gap:8px}
.footer-col a{font-size:13px;color:rgba(255,255,255,.3)}
.footer-col a:hover{color:rgba(255,255,255,.6)}
.footer-contact-row{display:flex;gap:8px;margin-bottom:8px;font-size:13px;color:rgba(255,255,255,.3);line-height:1.5}
.footer-contact-row svg{width:14px;height:14px;stroke:rgba(255,255,255,.25);fill:none;stroke-width:1.5;flex-shrink:0;margin-top:2px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:18px 0;font-size:11px;color:rgba(255,255,255,.15)}
.footer-bottom a{color:rgba(255,255,255,.15);margin-left:12px}
.footer-bottom a:hover{color:rgba(255,255,255,.4)}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:6px}}

/* ===== 动画 ===== */
.rv{opacity:0;transform:translateY(24px);transition:opacity .65s var(--ease),transform .65s var(--ease)}
.rv.show{opacity:1;transform:none}
.rv.d1{transition-delay:.05s}.rv.d2{transition-delay:.12s}.rv.d3{transition-delay:.19s}.rv.d4{transition-delay:.26s}

/* ===== 内页（精简） ===== */
.page-hero{padding:160px 0 48px;text-align:center;background:var(--bg-2)}
.page-hero .sec-title{font-family:var(--font);font-size:36px;font-weight:400}
.page-crumbs{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:14px;font-size:13px}
.page-crumbs a{color:var(--text-3)}
.page-crumbs a:hover{color:var(--brown)}
.page-crumbs .sep{color:var(--border)}

.pd-sec{padding:56px 0}
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.pd-gallery{position:sticky;top:88px}
.pd-main{aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;background:var(--bg-2);margin-bottom:8px}
.pd-main img{width:100%;height:100%;object-fit:cover}
.pd-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.pd-thumb{aspect-ratio:1;border-radius:8px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:border-color var(--tr)}
.pd-thumb.active,.pd-thumb:hover{border-color:var(--brown)}
.pd-thumb img{width:100%;height:100%;object-fit:cover}
.pd-info h1{font-family:var(--font);font-size:28px;font-weight:400;margin-bottom:8px}
.pd-sub{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:20px}
.pd-meta{display:flex;gap:20px;padding:14px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:20px}
.pd-meta-item .lbl{font-size:11px;color:var(--text-3);letter-spacing:.5px;text-transform:uppercase}
.pd-meta-item .val{font-size:14px;font-weight:600;margin-top:2px}
.pd-actions{display:flex;gap:12px;margin-top:20px}
@media(max-width:1024px){.pd-grid{grid-template-columns:1fr}.pd-gallery{position:static}}

.contact-sec{padding:64px 0}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px}
.contact-left h2{font-family:var(--font);font-size:28px;font-weight:400;margin-bottom:8px}
.contact-left>p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:24px}
.ci-list{display:flex;flex-direction:column;gap:16px}
.ci{display:flex;gap:12px}
.ci-icon{width:40px;height:40px;background:var(--bg-2);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ci-icon svg{width:18px;height:18px;stroke:var(--brown);fill:none;stroke-width:1.5}
.ci h4{font-size:14px;font-weight:600;margin-bottom:2px}
.ci p{font-size:14px;color:var(--text-2)}
.contact-form{padding:32px;background:var(--card);border-radius:var(--r);box-shadow:0 2px 16px rgba(0,0,0,.04)}
.contact-form h3{font-family:var(--font);font-size:20px;font-weight:400;margin-bottom:4px}
.contact-form>p{font-size:13px;color:var(--text-2);margin-bottom:20px}
.cf-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.cf-group{display:flex;flex-direction:column;gap:4px}
.cf-group.full{grid-column:1/-1}
.cf-group label{font-size:13px;font-weight:500;font-family:var(--font-sans)}
.cf-group label .req{color:#c44}
.cf-group input,.cf-group select,.cf-group textarea{padding:10px 14px;border:1px solid var(--border);border-radius:10px;font-size:14px;font-family:var(--font-sans);color:var(--text);background:var(--bg);outline:none;transition:border-color var(--tr)}
.cf-group input:focus,.cf-group select:focus,.cf-group textarea:focus{border-color:var(--brown)}
.cf-group textarea{min-height:90px;resize:vertical}
.cf-submit{margin-top:16px}
@media(max-width:1024px){.contact-grid{grid-template-columns:1fr}.cf-row{grid-template-columns:1fr}}

/* ===== 产品筛选标签 ===== */
.filter-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:40px;justify-content:center}
.filter-tab{padding:10px 24px;font-size:13px;font-weight:500;border-radius:50px;border:1.5px solid var(--border);color:var(--text-2);background:transparent;transition:all var(--tr);cursor:pointer;font-family:var(--font-sans)}
.filter-tab:hover,.filter-tab.active{background:var(--brown);color:var(--white);border-color:var(--brown)}

/* ===== 产品网格（4列） ===== */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.p-card{display:block;border-radius:var(--r);overflow:hidden;background:var(--card);box-shadow:0 2px 12px rgba(0,0,0,.04);transition:all var(--tr)}
.p-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.08)}
.p-card-img{aspect-ratio:4/3;overflow:hidden}
.p-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.p-card:hover .p-card-img img{transform:scale(1.05)}
.p-card-body{padding:20px}
.p-card-title{font-family:var(--font);font-size:16px;font-weight:400;margin-bottom:4px}
.p-card-desc{font-size:13px;color:var(--text-2);line-height:1.55;margin-bottom:8px}
.p-card-price{font-size:15px;font-weight:600;color:var(--brown)}
.products-more{text-align:center;margin-top:40px}
@media(max-width:1024px){.products-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.products-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.products-grid{grid-template-columns:1fr}}

/* ===== 产品优势网格 ===== */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.adv-item{text-align:center;padding:32px 20px;border-radius:var(--r);background:var(--card);transition:all var(--tr)}
.adv-item:hover{box-shadow:0 8px 28px rgba(0,0,0,.06);transform:translateY(-3px)}
.adv-icon{width:56px;height:56px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-2)}
.adv-icon svg{width:24px;height:24px;stroke:var(--brown);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.adv-item h4{font-family:var(--font);font-size:17px;font-weight:400;margin-bottom:6px}
.adv-item p{font-size:13px;color:var(--text-2);line-height:1.6}
@media(max-width:768px){.adv-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.adv-grid{grid-template-columns:1fr}}

/* ===== 产品详情 - 参数表 ===== */
.pd-params{margin-top:8px}
.pd-params table{width:100%;border-collapse:collapse}
.pd-params table th,.pd-params table td{padding:12px 16px;font-size:14px;text-align:left;border-bottom:1px solid var(--border)}
.pd-params table th{font-weight:600;color:var(--text);width:35%;background:var(--bg-2);font-family:var(--font-sans)}
.pd-params table td{color:var(--text-2)}

/* ===== 产品详情 - 特性亮点 ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{padding:28px 24px;border-radius:var(--r);background:var(--card);box-shadow:0 2px 12px rgba(0,0,0,.04);transition:all var(--tr)}
.feature-card:hover{box-shadow:0 8px 28px rgba(0,0,0,.06);transform:translateY(-3px)}
.feature-card .feat-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:var(--bg-2);margin-bottom:14px}
.feature-card .feat-icon svg{width:22px;height:22px;stroke:var(--brown);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.feature-card h4{font-family:var(--font);font-size:17px;font-weight:400;margin-bottom:6px}
.feature-card p{font-size:13px;color:var(--text-2);line-height:1.6}
@media(max-width:768px){.feature-grid{grid-template-columns:1fr}}

/* ===== 产品详情 - 应用场景 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene-card{position:relative;border-radius:var(--r);overflow:hidden;min-height:260px;display:flex;align-items:flex-end}
.scene-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.scene-card:hover img{transform:scale(1.05)}
.scene-card-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(44,36,32,.7) 0%,transparent 60%);z-index:1}
.scene-card-body{position:relative;z-index:2;padding:24px}
.scene-card-body h4{font-family:var(--font);font-size:18px;color:var(--white);margin-bottom:4px}
.scene-card-body p{font-size:13px;color:rgba(255,255,255,.65)}
@media(max-width:640px){.scene-grid{grid-template-columns:1fr}}

/* ===== 关于我们 - 公司简介 ===== */
.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-intro-text h2{font-family:var(--font);font-size:32px;font-weight:400;margin-bottom:16px;line-height:1.25}
.about-intro-text p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:14px}
.about-intro-img{border-radius:var(--r);overflow:hidden}
.about-intro-img img{width:100%;height:100%;object-fit:cover;min-height:320px}
@media(max-width:768px){.about-intro{grid-template-columns:1fr}}

/* ===== 关于我们 - 统计数据 ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-item .stat-num{font-family:var(--font);font-size:48px;font-weight:400;color:var(--brown);line-height:1;margin-bottom:4px}
.stat-item .stat-unit{font-size:14px;color:var(--text-2)}
.stat-item .stat-label{font-size:13px;color:var(--text-3);margin-top:6px}
@media(max-width:768px){.stat-grid{grid-template-columns:repeat(2,1fr);gap:28px}}
@media(max-width:480px){.stat-grid{grid-template-columns:1fr}}

/* ===== 关于我们 - 时间线 ===== */
.sec-alt{background:var(--bg-2)}
.timeline{position:relative;max-width:700px;margin:0 auto;padding-left:32px}
.timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--border)}
.tl-item{position:relative;padding-bottom:40px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-28px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--brown);border:3px solid var(--bg-2)}
.tl-year{font-family:var(--font);font-size:20px;font-weight:400;color:var(--brown);margin-bottom:4px}
.tl-item h4{font-size:16px;font-weight:600;margin-bottom:4px;font-family:var(--font-sans)}
.tl-item p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ===== 关于我们 - 团队 ===== */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.team-card{text-align:center}
.team-avatar{width:120px;height:120px;border-radius:50%;overflow:hidden;margin:0 auto 14px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.team-avatar img{width:100%;height:100%;object-fit:cover}
.team-card h4{font-family:var(--font);font-size:16px;font-weight:400;margin-bottom:2px}
.team-card .team-role{font-size:12px;color:var(--text-3);letter-spacing:.5px;text-transform:uppercase}
.team-card p{font-size:13px;color:var(--text-2);margin-top:6px;line-height:1.5}
@media(max-width:768px){.team-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.team-grid{grid-template-columns:1fr;max-width:280px;margin:0 auto}}

/* ===== 关于我们 - 资质证书 ===== */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cert-card{padding:24px;border-radius:var(--r);background:var(--card);text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.cert-card img{width:64px;height:64px;object-fit:contain;margin:0 auto 12px}
.cert-card h4{font-size:14px;font-weight:600;margin-bottom:4px}
.cert-card p{font-size:12px;color:var(--text-3)}
@media(max-width:768px){.cert-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== 关于我们 - 合作伙伴 ===== */
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;align-items:center}
.partner-logo{padding:20px;border-radius:var(--r);background:var(--card);display:flex;align-items:center;justify-content:center;height:80px;box-shadow:0 1px 6px rgba(0,0,0,.03);transition:all var(--tr)}
.partner-logo:hover{box-shadow:0 4px 16px rgba(0,0,0,.06)}
.partner-logo img{max-width:100%;max-height:40px;object-fit:contain;opacity:.5;transition:opacity var(--tr)}
.partner-logo:hover img{opacity:.85}
@media(max-width:768px){.partner-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:480px){.partner-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== 解决方案 ===== */
.solutions-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sol-card{padding:36px 28px;border-radius:var(--r);background:var(--card);box-shadow:0 2px 16px rgba(0,0,0,.04);transition:all var(--tr)}
.sol-card:hover{box-shadow:0 12px 40px rgba(0,0,0,.08);transform:translateY(-4px)}
.sol-card-icon{width:56px;height:56px;border-radius:14px;background:var(--bg-2);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.sol-card-icon svg{width:24px;height:24px;stroke:var(--brown);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.sol-card h3{font-family:var(--font);font-size:20px;font-weight:400;margin-bottom:8px}
.sol-card p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:12px}
.sol-card .sol-list{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.sol-card .sol-list li{font-size:13px;color:var(--text-2);padding-left:16px;position:relative}
.sol-card .sol-list li::before{content:'';position:absolute;left:0;top:7px;width:6px;height:6px;border-radius:50%;background:var(--brown-light)}
@media(max-width:768px){.solutions-grid{grid-template-columns:1fr}}

/* ===== 博客页 ===== */
.blog-page-sec{padding:56px 0 80px}
.blog-page-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.blog-cats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px;justify-content:center}
.blog-cat{padding:8px 20px;font-size:13px;border-radius:50px;border:1.5px solid var(--border);color:var(--text-2);background:transparent;transition:all var(--tr);cursor:pointer}
.blog-cat:hover,.blog-cat.active{background:var(--brown);color:var(--white);border-color:var(--brown)}
@media(max-width:768px){.blog-page-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}}

/* ===== 分页 ===== */
.pager{display:flex;justify-content:center;gap:8px;margin-top:48px}
.pg-btn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:500;border:1.5px solid var(--border);color:var(--text-2);background:transparent;cursor:pointer;transition:all var(--tr)}
.pg-btn:hover,.pg-btn.active{background:var(--brown);color:var(--white);border-color:var(--brown)}
.pg-ellipsis{width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-3)}

/* ===== 文章详情 ===== */
.article-sec{padding:56px 0 80px}
.article-wrap{max-width:740px;margin:0 auto}
.article-head{margin-bottom:28px}
.article-head .tag{display:inline-block;padding:4px 14px;font-size:11px;font-weight:600;letter-spacing:1px;color:var(--brown);border:1px solid var(--brown-light);border-radius:50px;margin-bottom:12px}
.article-head h1{font-family:var(--font);font-size:32px;font-weight:400;line-height:1.25;margin-bottom:12px}
.article-meta{display:flex;gap:16px;font-size:13px;color:var(--text-3)}
.article-meta span{display:flex;align-items:center;gap:4px}
.article-cover{border-radius:var(--r);overflow:hidden;margin-bottom:36px}
.article-cover img{width:100%;height:auto;object-fit:cover}
.article-body{font-family:var(--font-sans);font-size:15px;color:var(--text);line-height:1.85}
.article-body h2{font-family:var(--font);font-size:24px;font-weight:400;margin:36px 0 14px;color:var(--text)}
.article-body h3{font-family:var(--font);font-size:20px;font-weight:400;margin:28px 0 10px;color:var(--text)}
.article-body p{margin-bottom:18px}
.article-body ul,.article-body ol{margin:14px 0 18px 20px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:6px;font-size:14px;color:var(--text-2);line-height:1.7}
.article-body blockquote{margin:24px 0;padding:20px 24px;background:var(--bg-2);border-left:4px solid var(--brown);border-radius:0 var(--r) var(--r) 0;font-style:italic;color:var(--text-2)}
.article-body img{border-radius:var(--r);margin:24px 0}
.article-body a{color:var(--brown);text-decoration:underline}
.article-tags{display:flex;gap:8px;margin-top:36px;padding-top:24px;border-top:1px solid var(--border)}
.article-tag{padding:6px 14px;font-size:12px;border-radius:50px;background:var(--bg-2);color:var(--text-2)}
.article-pager{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:32px;border-top:1px solid var(--border)}
.ap-link{display:flex;flex-direction:column;gap:4px;max-width:45%;transition:color var(--tr)}
.ap-link:hover{color:var(--brown)}
.ap-link .lbl{font-size:12px;color:var(--text-3)}
.ap-link .ttl{font-size:15px;font-weight:500}
.ap-link.next{text-align:right;margin-left:auto}

/* ===== 文章推荐 ===== */
.related-sec{padding:64px 0;background:var(--bg-2)}

/* ===== FAQ ===== */
.faq-list{max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border-radius:var(--r);overflow:hidden;box-shadow:0 1px 6px rgba(0,0,0,.03)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;cursor:pointer;font-size:15px;font-weight:500;font-family:var(--font-sans);transition:background var(--tr)}
.faq-q:hover{background:var(--bg-2)}
.faq-q svg{width:18px;height:18px;stroke:var(--text-3);fill:none;stroke-width:2;transition:transform var(--tr);flex-shrink:0}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .35s var(--ease),padding .35s var(--ease)}
.faq-item.open .faq-a{max-height:300px;padding:0 24px 18px}
.faq-a p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ===== 展厅/门店 ===== */
.showroom-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.showroom-card{border-radius:var(--r);overflow:hidden;background:var(--card);box-shadow:0 2px 12px rgba(0,0,0,.04)}
.showroom-card-img{aspect-ratio:16/10;overflow:hidden}
.showroom-card-img img{width:100%;height:100%;object-fit:cover}
.showroom-card-body{padding:20px}
.showroom-card-body h4{font-family:var(--font);font-size:17px;font-weight:400;margin-bottom:4px}
.showroom-card-body p{font-size:13px;color:var(--text-2);line-height:1.55}
@media(max-width:768px){.showroom-grid{grid-template-columns:1fr}}

/* ===== 联系地图 ===== */
.map-sec{padding:0;background:var(--bg-2)}
.map-placeholder{width:100%;height:320px;background:var(--bg-2);display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:14px}

/* ===== 内页Banner增强 ===== */
.page-hero-lg{padding:180px 0 60px;background:var(--bg-3);text-align:center}
.page-hero-lg .sec-title{color:var(--white)}
.page-hero-lg .sec-sub{color:rgba(255,255,255,.5)}
.page-hero-lg .page-crumbs a{color:rgba(255,255,255,.35)}
.page-hero-lg .page-crumbs a:hover{color:var(--brown-light)}
.page-hero-lg .page-crumbs .sep{color:rgba(255,255,255,.15)}
.page-hero-lg .page-crumbs .cur{color:rgba(255,255,255,.55)}

/* ===== 通用两列布局 ===== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.two-col.reverse{direction:rtl}
.two-col.reverse>*{direction:ltr}
.two-col-img{border-radius:var(--r);overflow:hidden}
.two-col-img img{width:100%;height:100%;object-fit:cover;min-height:300px}
@media(max-width:768px){.two-col,.two-col.reverse{grid-template-columns:1fr;direction:ltr}}

/* ===== 数字高亮 ===== */
.highlight-num{font-family:var(--font);font-size:56px;font-weight:400;color:var(--brown);line-height:1}

/* ===== 里程碑网格（备用） ===== */
.milestone-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.milestone-card{padding:28px 16px;border-radius:var(--r);background:var(--card);box-shadow:0 2px 12px rgba(0,0,0,.03);transition:all var(--tr)}
.milestone-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.06);transform:translateY(-3px)}
.milestone-card .year{font-family:var(--font);font-size:28px;color:var(--brown);margin-bottom:8px}
.milestone-card h4{font-size:15px;font-weight:600;margin-bottom:4px}
.milestone-card p{font-size:13px;color:var(--text-2);line-height:1.55}
@media(max-width:768px){.milestone-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.milestone-grid{grid-template-columns:1fr}}

/* ===== 订阅栏 ===== */
.subscribe-bar{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.subscribe-bar input{padding:12px 20px;border:1.5px solid var(--border);border-radius:50px;font-size:14px;font-family:var(--font-sans);width:320px;max-width:100%;outline:none;transition:border-color var(--tr)}
.subscribe-bar input:focus{border-color:var(--brown)}

::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}


/* V2S_MOBILE_MENU_GUARD_CSS */
@media (min-width: 769px) {
  .mobile-toggle,
  .mobile-menu-btn,
  .menu-trigger,
  .v2s-mobile-toggle,
  .mobile-toggle-xl,
  .nav-toggle {
    display: none;
  }
}

@media (max-width: 768px) {
  .mobile-toggle,
  .mobile-menu-btn,
  .menu-trigger,
  .v2s-mobile-toggle,
  .mobile-toggle-xl,
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .nav-links.active,
  .nav-links.open,
  .nav-menu.active,
  .nav-menu.open,
  .v2s-nav.active,
  .v2s-nav.open,
  .v2s-nav-list.active,
  .v2s-nav-list.open,
  .nav-list.active,
  .nav-list.open {
    display: flex;
  }
}