:root{
  --red:#8B1A1A;          /* 主色 深红 */
  --red-dark:#6d1313;
  --red-soft:rgba(139,26,26,.06);
  --ink:#3a2f2b;          /* 文字主色 檀黑 */
  --ink-2:#6b5d55;        /* 次色 棕灰 */
  --paper:#faf7f1;        /* 米白 */
  --paper-2:#f3ede2;      /* 米白-2 区块底 */
  --wood:#9c6b3c;         /* 木棕 辅助 */
  --wood-2:#c8a06a;       /* 金棕 点缀 */
  --line:#e6dccb;         /* 分隔线 */
  --white:#ffffff;
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --shadow:0 8px 28px rgba(74,48,20,.08);
  --shadow-hover:0 16px 40px rgba(74,48,20,.16);
  --radius:6px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.78;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(250,247,241,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand-logo{height:46px;width:auto;max-width:180px;object-fit:contain;display:block}
.brand{display:flex;align-items:center;gap:12px}
.brand-seal{width:46px;height:46px;display:flex;align-items:center;justify-content:center;background:var(--red);color:#fff;font-family:var(--serif);font-weight:900;font-size:24px;border-radius:4px;box-shadow:inset 0 0 0 2px rgba(255,255,255,.25),0 2px 6px rgba(139,26,26,.3)}
.brand-text{font-family:var(--serif);font-weight:700;font-size:22px;letter-spacing:3px;color:var(--red);display:flex;flex-direction:column;line-height:1.15}
.brand-text small{font-family:var(--sans);font-weight:600;font-size:9px;letter-spacing:2.5px;color:var(--ink-2)}
.main-nav{display:flex;gap:8px}
.nav-link{padding:10px 16px;font-size:15.5px;color:var(--ink);border-radius:4px;transition:.2s;letter-spacing:1px}
.nav-link:hover{color:var(--red);background:var(--red-soft)}
.nav-link.active{color:var(--red);font-weight:600;position:relative}
.nav-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;background:var(--red)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:2px;background:var(--ink);transition:.3s}

/* ---------- Banner ---------- */
.banner{position:relative;height:560px;overflow:hidden;background:linear-gradient(180deg,#7c1a1a,#8B1A1A 55%,#6d1313)}
.banner::before{content:"";position:absolute;inset:0;background:radial-gradient(1200px 500px at 80% 20%,rgba(200,160,106,.18),transparent 60%)}
.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;display:flex;align-items:center}
.banner-slide.active{opacity:1}
.banner-slide .banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32}
.banner-inner{position:relative;z-index:2;color:#fff;max-width:760px}
.banner-inner .eyebrow{font-size:13px;letter-spacing:4px;color:var(--wood-2);margin-bottom:16px;font-family:var(--sans)}
.banner-inner h2{font-family:var(--serif);font-size:46px;font-weight:700;line-height:1.35;letter-spacing:2px;text-shadow:0 2px 18px rgba(0,0,0,.35)}
.banner-inner p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.85);letter-spacing:2px}
.banner-dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.banner-dots span{width:30px;height:3px;background:rgba(255,255,255,.4);cursor:pointer;transition:.3s}
.banner-dots span.active{background:var(--wood-2)}

/* ---------- 区块通用 ---------- */
.section{padding:76px 0}
.section-soft{background:var(--paper-2)}
.section-head{text-align:center;margin-bottom:46px}
.section-head .cn{font-family:var(--serif);font-size:34px;font-weight:700;letter-spacing:4px;color:var(--ink)}
.section-head .en{font-size:12px;letter-spacing:5px;color:var(--wood);margin-top:8px;text-transform:uppercase}
.section-head .bar{width:44px;height:2px;background:var(--red);margin:18px auto 0}
.section-sub{max-width:640px;margin:16px auto 0;color:var(--ink-2);font-size:15px}

/* ---------- 品牌简介 ---------- */
.intro{position:relative;overflow:hidden}
.intro-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.intro-brand{display:flex;align-items:center;gap:18px;margin-bottom:22px}
.intro-seal{width:74px;height:74px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--red);color:#fff;font-family:var(--serif);font-weight:900;font-size:36px;border-radius:6px;box-shadow:inset 0 0 0 3px rgba(255,255,255,.25)}
.intro-mission{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--red);letter-spacing:2px}
.intro-lead{font-size:16.5px;color:var(--ink);line-height:2;margin:22px 0}
.intro-note{color:var(--ink-2);margin-bottom:28px}
.btn{display:inline-block;background:var(--red);color:#fff;padding:12px 30px;border-radius:4px;font-size:15px;letter-spacing:2px;transition:.2s;border:1px solid var(--red)}
.btn:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(139,26,26,.3)}
.btn-line{background:transparent;border:1px solid var(--red);color:var(--red)}
.btn-line:hover{background:var(--red);color:#fff;box-shadow:none}
.intro-art{position:relative}
.intro-art .frame{border:1px solid var(--line);background:linear-gradient(160deg,var(--white),var(--paper-2));padding:40px;border-radius:8px;position:relative}
.intro-art .frame::after{content:"寂";position:absolute;right:-14px;bottom:-18px;font-family:var(--serif);font-size:84px;font-weight:900;color:var(--red-soft)}
.kv{display:flex;gap:18px;align-items:center;padding:16px 0;border-bottom:1px dashed var(--line)}
.kv:last-child{border-bottom:none}
.kv .kv-cn{font-family:var(--serif);font-weight:700;font-size:19px;color:var(--red);letter-spacing:2px}
.kv .kv-en{font-size:11px;letter-spacing:2px;color:var(--wood);text-transform:uppercase}
.kv p{color:var(--ink-2);font-size:14px;margin-top:4px}

/* ---------- 分类卡片 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cat-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:0;transition:.25s ease;position:relative;overflow:hidden;cursor:pointer;background-size:cover;background-position:center;min-height:220px;display:flex;align-items:flex-end}
.cat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--red);transform:scaleX(0);transition:.3s;transform-origin:left;z-index:3}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.cat-card:hover::before{transform:scaleX(1)}
.cat-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(139,26,26,.15) 0%,rgba(59,10,10,.78) 78%);backdrop-filter:blur(2.5px);transition:.25s;z-index:1}
.cat-card:hover .cat-overlay{backdrop-filter:blur(1px);background:linear-gradient(180deg,rgba(139,26,26,.08) 0%,rgba(59,10,10,.68) 75%)}
.cat-body{position:relative;z-index:2;padding:28px 26px;color:#fff}
.cat-card .cat-en{font-size:11px;letter-spacing:3px;color:#f0d9a8;text-transform:uppercase;margin-bottom:6px}
.cat-card h3{font-family:var(--serif);font-size:21px;font-weight:700;margin:0 0 10px;color:#fff;letter-spacing:2px}
.cat-card p{font-size:14px;color:#f4ead9;line-height:1.6;margin:0}
.cat-card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13.5px;color:#f0d9a8;font-weight:600;transition:.2s}
.cat-card:hover .more{color:#fff;transform:translateX(4px)}
.brand-band{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px}
.brand-band .band-item{overflow:hidden;border-radius:10px;box-shadow:0 8px 26px rgba(74,48,20,.12)}
.brand-band .band-item img{width:100%;height:280px;object-fit:cover;display:block;transition:transform .4s ease}
.brand-band .band-item:hover img{transform:scale(1.04)}
@media (max-width:640px){.brand-band{grid-template-columns:1fr}}

/* ---------- 产品卡片 ---------- */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.product-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s;display:block}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.product-card .thumb{background:var(--white);display:block;overflow:hidden;line-height:0}
.product-card .thumb img{width:100%;height:auto;display:block;object-fit:contain;transition:transform .35s ease}
.product-card:hover .thumb img{transform:scale(1.08)}
.product-card .body{padding:20px 22px 24px}
.product-card .tag{display:inline-block;font-size:12px;color:var(--red);background:var(--red-soft);padding:2px 10px;border-radius:12px;letter-spacing:1px;margin-bottom:8px}
.product-card h3{font-family:var(--serif);font-size:19px;font-weight:700;margin-bottom:6px;color:var(--ink)}
.product-card p{font-size:14px;color:var(--ink-2)}

/* 图表占位 */
.placeholder-img{background:linear-gradient(160deg,var(--paper-2),#efdfc8);display:flex;align-items:center;justify-content:center;color:var(--wood);font-family:var(--serif);letter-spacing:2px;position:relative}
.placeholder-img::after{content:"寂敏优选";position:absolute;font-size:15px;color:var(--wood);opacity:.7}

/* ---------- 新闻 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 28px;transition:.22s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-card .meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.n-thumb{width:100%;height:148px;margin:-26px -26px 22px;border-top-left-radius:var(--radius);border-top-right-radius:var(--radius);overflow:hidden;background:var(--paper-2)}
.n-thumb img{width:100%;height:100%;object-fit:cover;object-position:center 40%;display:block;transition:transform .4s ease}
.news-card:hover .n-thumb img{transform:scale(1.06)}
.news-card .date{font-family:var(--serif);color:var(--wood);font-size:13px}
.news-card .cat{font-size:12px;color:var(--red);background:var(--red-soft);padding:2px 10px;border-radius:12px}
.news-card h3{font-family:var(--serif);font-size:18px;font-weight:600;margin-bottom:10px;line-height:1.5;color:var(--ink)}
.news-card p{font-size:14px;color:var(--ink-2);margin-bottom:14px;flex:1}
.news-card .read{font-size:13.5px;color:var(--red);font-weight:600}

/* ---------- 联系CTA ---------- */
.cta{background:linear-gradient(120deg,var(--red-dark),var(--red));color:#fff;text-align:center;padding:70px 20px;border-radius:10px;position:relative;overflow:hidden}
.cta::before{content:"向善";position:absolute;right:-20px;bottom:-30px;font-family:var(--serif);font-size:130px;font-weight:900;color:rgba(255,255,255,.08)}
.cta h2{font-family:var(--serif);font-size:32px;letter-spacing:4px;margin-bottom:12px}
.cta p{color:rgba(255,255,255,.85);margin-bottom:28px;letter-spacing:2px}
.cta .btn{border-color:#fff;background:#fff;color:var(--red)}
.cta .btn:hover{background:transparent;color:#fff;box-shadow:none}

/* ---------- 关于页 ---------- */
.hero-sub{background:linear-gradient(180deg,var(--red-dark),var(--red));color:#fff;text-align:center;padding:88px 20px 64px;position:relative}
.hero-sub.photo{background-size:cover;background-position:center}
.hero-sub.photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(80,12,12,.68),rgba(109,19,19,.82))}
.hero-sub.photo>*{position:relative;z-index:2}
.hero-sub.photo::before{content:"";position:absolute;inset:0;z-index:3;background:radial-gradient(900px 400px at 82% 10%,rgba(200,160,106,.16),transparent 60%);pointer-events:none}
.hero-sub .cn{font-family:var(--serif);font-size:40px;font-weight:700;letter-spacing:6px}
.hero-sub .en{font-size:13px;letter-spacing:5px;color:var(--wood-2);margin-top:12px;text-transform:uppercase}
.hero-sub .bar{width:50px;height:2px;background:var(--wood-2);margin:22px auto 0}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.value-card{text-align:center;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:36px 20px;transition:.22s}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.value-card .v-cn{font-size:17px;color:var(--wood-2);letter-spacing:4px}
.value-card h3{font-family:var(--serif);font-size:24px;margin:12px 0 10px;color:var(--red);letter-spacing:4px}
.value-card p{font-size:14px;color:var(--ink-2)}
.about-block{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-block.reverse .about-text{order:2}
.about-kicker{color:var(--red);letter-spacing:3px;font-size:13px}
.about-block h2{font-family:var(--serif);font-size:30px;font-weight:700;margin:8px 0 18px;letter-spacing:2px}
.about-block p{margin-bottom:14px;color:var(--ink-2)}
.benefit{display:flex;gap:14px;margin-top:20px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px;align-items:flex-start}
.benefit .b-ico{width:44px;height:44px;flex-shrink:0;background:var(--red-soft);color:var(--red);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700}
.benefit h4{font-family:var(--serif);font-size:17px;margin-bottom:4px}
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
.matrix-note{margin:26px auto 0;max-width:900px;text-align:center;color:var(--ink-2);line-height:1.9}
.matrix-more{display:flex;justify-content:center;margin-top:30px}
/* 纯净产品矩阵卡：文字在上、产品图在下 */
.matrix-card{overflow:hidden;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:0;position:relative;transition:.22s;display:flex;flex-direction:column}
.matrix-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;z-index:3;background:linear-gradient(90deg,var(--red),var(--wood-2));transform:scaleX(0);transform-origin:left;transition:transform .38s ease}
.matrix-card:hover::before{transform:scaleX(1)}
.matrix-card .matrix-body{position:relative;z-index:2;order:1;padding:34px 22px 26px;text-align:center;background:var(--white)}
.matrix-card .matrix-body h3{font-family:var(--serif);font-size:24px;margin:12px 0 10px;color:var(--red);letter-spacing:4px}
.matrix-card .matrix-body p{font-size:14px;color:var(--ink-2);line-height:1.7}
.matrix-card .matrix-fig{order:2;position:relative;overflow:hidden;background:#faf7f1;margin-top:auto}
.matrix-card .matrix-fig img{display:block;width:100%;height:auto;object-fit:contain;transition:transform .38s ease}
.matrix-card:hover .matrix-fig img{transform:scale(1.08)}
@media (max-width:992px){.matrix-grid{grid-template-columns:1fr}}
/* ---------- 产品中心 ---------- */
.filter-bar{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:38px}
.filter-btn{padding:9px 22px;border:1px solid var(--line);background:var(--white);border-radius:24px;font-size:14.5px;cursor:pointer;transition:.2s;color:var(--ink-2)}
.filter-btn:hover{border-color:var(--red);color:var(--red)}
.filter-btn.active{background:var(--red);color:#fff;border-color:var(--red)}

/* ---------- 产品详情 ---------- */
.detail-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;background:var(--white);border:1px solid var(--line);border-radius:8px;padding:40px;box-shadow:var(--shadow)}
.detail-grid .main-img{min-height:340px;border-radius:6px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:var(--white);padding:16px}
.detail-grid .main-img img{width:100%;height:100%;object-fit:contain;transition:transform .4s ease}
.detail-grid .main-img:hover img{transform:scale(1.06)}
.detail-info .tag{display:inline-block;color:var(--red);background:var(--red-soft);padding:3px 14px;border-radius:16px;font-size:13px;letter-spacing:1px;}
.detail-info h1{font-family:var(--serif);font-size:30px;font-weight:700;margin:14px 0 10px;letter-spacing:2px}
.detail-info .lead{font-size:16px;color:var(--wood);font-family:var(--serif);margin-bottom:20px}
.detail-info .divider{height:1px;background:var(--line);margin:20px 0}
.detail-info p{color:var(--ink-2);line-height:2}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--red);margin-bottom:20px;font-weight:600}

/* ---------- 文章 ---------- */
.article-list{max-width:860px;margin:0 auto}
.article-item{display:flex;gap:24px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:20px;transition:.2s}
.article-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.article-item .a-thumb{width:180px;height:120px;flex-shrink:0;border-radius:4px;overflow:hidden;background:var(--paper-2)}
.article-item .a-body{flex:1}
.article-item .meta{display:flex;gap:14px;align-items:center;margin-bottom:8px;font-size:13px;color:var(--ink-2)}
.article-item h2{font-family:var(--serif);font-size:20px;font-weight:600;margin-bottom:8px;line-height:1.5}
.article-item h2:hover{color:var(--red)}
.article-item p{font-size:14.5px;color:var(--ink-2)}
.article-detail{max-width:820px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-radius:8px;padding:48px}
.article-detail .a-title{font-family:var(--serif);font-size:30px;font-weight:700;letter-spacing:2px;line-height:1.4;margin-bottom:16px}
.article-detail .a-meta{display:flex;gap:18px;color:var(--ink-2);font-size:14px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:28px}
.article-detail .a-content{line-height:2;color:var(--ink)}
.article-detail .a-content p{margin-bottom:16px}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:48px}
.contact-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.contact-item{display:flex;gap:16px;padding:14px 0;border-bottom:1px dotted var(--line);align-items:flex-start}
.contact-item:last-child{border:none}
.contact-item .c-ico{width:44px;height:44px;flex-shrink:0;background:var(--red-soft);color:var(--red);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700}
.contact-item h4{font-size:14px;color:var(--ink-2);font-weight:500}
.contact-item p{font-weight:600;color:var(--ink);font-size:15.5px}
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:38px;box-shadow:var(--shadow)}
.form-title{font-family:var(--serif);font-size:24px;font-weight:700;letter-spacing:2px;margin-bottom:6px}
.form-sub{color:var(--ink-2);font-size:14px;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:14px;margin-bottom:6px;color:var(--ink)}
.form-group input,.form-group textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:4px;font-size:15px;font-family:var(--sans);background:var(--paper);transition:.2s;color:var(--ink)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--red);background:#fff}
.form-group textarea{resize:vertical;min-height:130px}
.form-tip{font-size:13px;color:var(--ink-2);margin-top:10px}
.form-msg{margin-bottom:14px;padding:12px 16px;border-radius:4px;font-size:14.5px;display:none}
.form-msg.ok{display:block;background:#f0f7ee;color:#2f7a3a;border:1px solid #cde6c9}
.form-msg.err{display:block;background:#fbecec;color:#a02020;border:1px solid #f0c4c4}

/* ---------- 页脚 ---------- */
.site-footer{background:#241b16;color:#cfc4b6;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:40px;padding:60px 20px}
.footer-brand .brand-text{color:#f0e9dd}
.footer-brand .brand-text small{color:#9c8f7f}
.footer-desc{font-size:14px;color:#b0a291;margin-top:16px;line-height:1.9}
.site-footer h4{font-family:var(--serif);color:#f0e9dd;font-size:16px;letter-spacing:2px;margin-bottom:18px}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:14px}
.footer-links a{transition:.2s;color:#cfc4b6}
.footer-links a:hover{color:var(--wood-2);padding-left:4px}
.footer-contact li{color:#b0a291}
.footer-copy{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px;color:#8f8271}
.footer-copy .beian{color:#b0a291;transition:.2s;display:inline-flex;align-items:center;gap:6px}
.footer-copy .beian:hover{color:var(--wood-2)}

/* ---------- 滚动渐入（增强版：支持方向与交错） ---------- */
/* 无 JS 兜底 */
.reveal{opacity:1;transform:none}
.js-anim .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js-anim .reveal.show{opacity:1;transform:none}
/* 方向变体 */
.js-anim .reveal[data-dir="left"]{transform:translateX(-36px)}
.js-anim .reveal[data-dir="right"]{transform:translateX(36px)}
.js-anim .reveal[data-dir="zoom"]{transform:scale(.92)}
.js-anim .reveal[data-dir="fade"]{transform:none}
.js-anim .reveal.show{transform:none}

/* =========================================================
   【设计增强】红金光泽基调 —— 借鉴 Banner 的光影与质感
   ========================================================= */

/* ---------- 全局背景质感：米白底上的淡金光泽 ---------- */
body{
  background:
    radial-gradient(1100px 520px at 85% -120px, rgba(200,160,106,.08), transparent 60%),
    radial-gradient(900px 480px at -10% 30%, rgba(139,26,26,.05), transparent 55%),
    var(--paper);
}

/* ---------- 头部：底边金线 + 轻阴影 ---------- */
.site-header{background:rgba(250,247,241,.92)}
.header-inner{position:relative}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,transparent,var(--wood-2) 30%,var(--wood-2) 70%,transparent);opacity:.55}
.brand-logo{filter:drop-shadow(0 2px 6px rgba(139,26,26,.15))}
.nav-link{position:relative}
.nav-link::after{content:"";position:absolute;left:16px;right:16px;bottom:8px;height:1px;background:linear-gradient(90deg,var(--red),var(--wood-2));transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.nav-link:hover::after{transform:scaleX(1)}

/* ---------- Banner：光影层次 + 金线 + 文字入场 ---------- */
.banner{height:640px}
.banner::before{background:
  radial-gradient(1300px 560px at 82% 12%, rgba(200,160,106,.22), transparent 58%),
  radial-gradient(700px 400px at 12% 88%, rgba(0,0,0,.28), transparent 60%)}
.banner::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,transparent,var(--wood-2) 28%,var(--wood-2) 72%,transparent);z-index:5}
.banner-slide .banner-bg{transform:scale(1);transition:transform 7s ease;filter:saturate(.9)}
.banner-slide.active .banner-bg{transform:scale(1.08)}   /* Ken Burns 缓慢放大 */
.banner-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(60,8,8,.38),rgba(109,19,19,.12) 45%,rgba(40,5,5,.5))}
.banner-inner{max-width:820px;padding:40px 0;text-align:left}
.banner-inner .eyebrow{display:inline-flex;align-items:center;gap:12px;border:1px solid rgba(200,160,106,.55);border-radius:40px;padding:7px 18px;color:var(--wood-2);letter-spacing:5px;font-size:12.5px;background:rgba(0,0,0,.12);backdrop-filter:blur(2px)}
/* 文字错落入场 */
.banner-slide .eyebrow,.banner-slide h2,.banner-slide p{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s cubic-bezier(.22,.8,.36,1)}
.banner-slide.active .eyebrow{opacity:1;transform:none;transition-delay:.2s}
.banner-slide.active h2{opacity:1;transform:none;transition-delay:.4s}
.banner-slide.active p{opacity:1;transform:none;transition-delay:.6s}
.banner-slide:not(.active) .eyebrow,.banner-slide:not(.active) h2,.banner-slide:not(.active) p{transition:none}
.banner-inner h2{font-size:52px}
.banner-inner h2::after{content:"";display:block;width:64px;height:2px;margin-top:20px;background:linear-gradient(90deg,var(--wood-2),transparent)}
.banner-inner p{max-width:560px}
/* 滚动提示箭头 */
.banner-dots{background:rgba(0,0,0,.2);padding:8px 14px;border-radius:20px;backdrop-filter:blur(2px)}

/* ---------- 区块标题：金色短横线 ---------- */
.section-head{position:relative}
.section-head .cn{position:relative;display:inline-block}
.section-head .bar{width:52px;height:2px;background:linear-gradient(90deg,var(--wood-2),var(--red));margin:18px auto 0}
.section-sub{color:var(--ink-2);letter-spacing:1px}

/* ---------- 按钮：流光扫过 + 金色投影 ---------- */
.btn{position:relative;overflow:hidden;z-index:1}
.btn::after{content:"";position:absolute;top:0;left:-80%;width:45%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-22deg);transition:left .55s ease}
.btn:hover::after{left:130%}
.btn:hover{box-shadow:0 10px 26px rgba(139,26,26,.38)}
.btn-line{background:transparent}
.btn-line::after{background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent)}
.btn-line:hover{color:#fff;background:var(--red)}

/* ---------- 卡片：金边顶部高光 + hover 光泽 ---------- */
.cat-card,.product-card,.news-card,.value-card,.report-card,.benefit,.article-item{position:relative}
.cat-card::before,.product-card::before,.news-card::before,.value-card::before,.report-card::before,.article-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;z-index:3;
  background:linear-gradient(90deg,var(--red),var(--wood-2));
  transform:scaleX(0);transform-origin:left;transition:transform .38s ease}
.cat-card:hover::before,.product-card:hover::before,.news-card:hover::before,.value-card:hover::before,.report-card:hover::before,.article-item:hover::before{transform:scaleX(1)}
.cat-card:hover,.product-card:hover,.news-card:hover,.value-card:hover,.report-card:hover,.article-item:hover{box-shadow:0 18px 44px rgba(74,48,20,.16),0 0 0 1px rgba(200,160,106,.18)}
.cat-card .cat-en,.value-card .v-cn,.product-card .tag,.news-card .cat{letter-spacing:2px}

/* ---------- 品质检测 / 报告 ---------- */
.report-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.report-card,.report-box{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px;transition:.2s}
.report-card:hover,.report-box:hover{border-color:var(--red);transform:translateY(-3px);box-shadow:0 12px 24px rgba(139,26,26,.08)}
.rep-ico{flex:0 0 46px;width:46px;height:46px;border-radius:50%;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;letter-spacing:0}
.rep-txt{display:flex;flex-direction:column;line-height:1.5}
.rep-txt strong{font-size:16px;color:var(--ink)}
.rep-txt span{font-size:12px;color:var(--ink-2)}
.detail-info .report-box{margin-top:22px}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:4px;white-space:nowrap}

/* ---------- 响应式 ---------- */
@media (max-width:992px){
  .report-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .report-grid{grid-template-columns:1fr}
}
@media (max-width:992px){
  .banner{height:440px}
  .banner-inner h2{font-size:34px}
  .intro-grid,.about-block,.contact-grid,.detail-grid{grid-template-columns:1fr;gap:34px}
  .cat-grid,.value-grid{grid-template-columns:repeat(2,1fr)}
  .product-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:992px){
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:76px;left:0;right:0;background:var(--paper);flex-direction:column;gap:0;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:.3s;box-shadow:0 20px 30px rgba(0,0,0,.08)}
  .main-nav.open{transform:translateY(0)}
  .nav-link{padding:14px 24px;border-bottom:1px solid var(--line);font-size:15px}
  .main-nav{max-height:calc(100vh - 76px);overflow:auto}
}
@media (max-width:640px){
  body{font-size:15px}
  .cat-card h3,.product-card h3,.news-card h3{text-wrap:balance}
  .cat-card .more,.news-card .read{white-space:nowrap}
  .cat-body{padding:24px 20px}
  .section{padding:56px 0}
  .banner{height:360px}
  .banner-inner h2{font-size:26px}
  .banner-inner p{font-size:14px}
  .section-head .cn{font-size:27px}
  .cat-grid,.value-grid,.product-grid,.news-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .article-item{flex-direction:column}
  .article-item .a-thumb{width:100%;height:160px}
  .detail-grid{padding:22px}
  .article-detail{padding:28px 22px}
}

/* ===== 右下角悬浮小程序码 ===== */
.float-minicodes{position:fixed;right:22px;bottom:26px;z-index:999;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.float-minicodes-toggle{width:58px;height:58px;border:none;border-radius:50%;background:var(--red,#8b1a1a);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;cursor:pointer;box-shadow:0 6px 18px rgba(139,26,26,.35);transition:transform .22s ease,box-shadow .22s ease}
.float-minicodes-toggle:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(139,26,26,.45)}
.float-minicodes-toggle svg{width:22px;height:22px}
.float-minicodes-label{font-size:10px;letter-spacing:1px}
.float-minicodes-panel{display:none;background:#fff;border:1px solid var(--line,#e3e8ee);border-radius:12px;box-shadow:0 12px 36px rgba(40,26,16,.16);padding:14px 14px 10px;width:210px;position:relative}
.float-minicodes.open .float-minicodes-panel{display:block;animation:fmIn .24s ease}
@keyframes fmIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.float-minicodes-close{position:absolute;top:6px;right:10px;font-size:20px;line-height:1;color:var(--muted,#5f6b7a);cursor:pointer}
.float-minicodes-close:hover{color:var(--red,#8b1a1a)}
.float-minicodes-title{font-size:12px;color:var(--ink,#1f2933);text-align:center;margin:0 0 10px;font-weight:600}
.float-minicodes-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.float-minicodes-item{text-align:center}
.float-minicodes-item img{width:92px;height:92px;object-fit:contain;border:1px solid var(--line,#e3e8ee);border-radius:8px;display:block;margin:0 auto}
.float-minicodes-item span{display:block;margin-top:6px;font-size:12px;color:var(--ink,#1f2933)}
@media (max-width:640px){
  .float-minicodes{right:14px;bottom:16px}
  .float-minicodes-toggle{width:52px;height:52px}
  .float-minicodes-panel{width:190px;right:0}
}