/* ===== TMIMED — Global Styles ===== */
:root{
  --teal:#16a095;          /* logo primary */
  --teal-dark:#0e7a72;
  --teal-light:#e6f7f5;
  --teal-50:#f3fbfa;
  --ink:#0f2a2a;
  --ink-2:#3a4a4a;
  --muted:#6b7b7b;
  --line:#e3ecec;
  --bg:#ffffff;
  --bg-soft:#f7faf9;
  --amber:#f4a300;
  --danger:#d64545;
  --radius:14px;
  --shadow:0 6px 24px rgba(22,160,149,.10);
  --shadow-lg:0 18px 50px rgba(15,42,42,.12);
  --maxw:1200px;
  --font:'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--teal-dark);text-decoration:none;transition:.2s}
a:hover{color:var(--teal)}
ul{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:74px 0}
.section-tight{padding:52px 0}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:14px}
h1,h2,h3,h4{line-height:1.2;color:var(--ink);font-weight:800}
h1{font-size:clamp(2rem,4.2vw,3.1rem)}
h2{font-size:clamp(1.55rem,2.8vw,2.25rem);margin-bottom:16px}
h3{font-size:1.28rem}
p{color:var(--ink-2)}
.lead{font-size:1.14rem;color:var(--ink-2)}
.muted{color:var(--muted)}
.center{text-align:center}
.center h2,.center p{margin-left:auto;margin-right:auto;max-width:760px}
.section-head{margin-bottom:46px}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:40px;font-weight:700;font-size:15px;cursor:pointer;border:2px solid var(--teal);transition:.2s;white-space:nowrap}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-dark);color:#fff;border-color:var(--teal-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;color:var(--teal-dark)}
.btn-ghost:hover{background:var(--teal-light);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--teal-dark);border-color:#fff}
.btn-light:hover{background:#f3fbfa;color:var(--teal-dark);transform:translateY(-2px)}
.btn-lg{padding:16px 34px;font-size:16px}

/* ===== Top bar ===== */
.topbar{background:var(--teal-dark);color:#eafaf8;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height: 40px !important;}
.topbar a{color:#eafaf8}
.topbar a:hover{color:#fff}
.topbar .tb-left{display:flex;gap:15px;flex-wrap:wrap}
.topbar .tb-right{display:flex;gap:15px;align-items:center}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:#7fe3d8;display:inline-block;margin-right:6px;vertical-align:middle}

/* ===== Header ===== */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:50px;width:auto}
.logo .brand{display:flex;flex-direction:column;line-height:1.05}
.logo .brand b{font-size:1.18rem;color:var(--ink);letter-spacing:.5px}
.logo .brand span{font-size:11px;color:var(--muted);letter-spacing:.16em;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--ink-2);font-weight:600;font-size:15px;padding:9px 14px;border-radius:9px}
.nav a:hover{background:var(--teal-light);color:var(--teal-dark)}
.nav a.active{color:var(--teal-dark);background:var(--teal-light)}
.nav-cta{margin-left:6px}
.menu-btn{display:none;background:none;border:none;cursor:pointer;padding:8px}
.menu-btn span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.3s}

/* ===== Hero ===== */
.hero{position:relative;background:linear-gradient(135deg,#0e7a72 0%,#16a095 55%,#1bb8a7 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.16),transparent 45%),radial-gradient(circle at 10% 90%,rgba(255,255,255,.10),transparent 40%)}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;padding:84px 22px 90px}
.hero h1{color:#fff;margin-bottom:18px}
.hero p{color:rgba(255,255,255,.92);font-size:1.13rem;margin-bottom:28px;max-width:560px}
.hero .eyebrow{color:#bdf0e9}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-ctas .btn {
  box-sizing: border-box;
  width: 200px;           /* 固定宽度 */
  height: 60px;           /* 固定高度 */
  display: inline-flex;   /* 推荐使用 flex 布局 */
  align-items: center;    /* 确保文字和图标垂直居中 */
  justify-content: center;/* 确保文字和图标水平居中 */
}
.hero-trust{display:flex;gap:26px;flex-wrap:wrap}
.hero-trust .t{display:flex;flex-direction:column}
.hero-trust .t b{font-size:1.7rem;color:#fff}
.hero-trust .t span{font-size:12px;color:rgba(255,255,255,.82);letter-spacing:.04em}
.hero-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:20px;padding:18px;backdrop-filter:blur(6px)}
.hero-card img{border-radius:14px;width:100%;height:318px;object-fit:cover}
.hero-card .hc-cap{margin-top:12px;color:#eafaf8;font-size:13px;text-align:center}

/* ===== Badges strip ===== */
.badges{background:var(--teal-50);border-bottom:1px solid var(--line)}
.badges .container{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 34px;padding:26px 22px}
.badge{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--teal-dark);font-size:14px}
.badge .bi{width:34px;height:34px;border-radius:9px;background:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:var(--shadow)}

/* ===== Cards / features ===== */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--teal-light)}
.card .ic{width:52px;height:52px;border-radius:12px;background:var(--teal-light);color:var(--teal-dark);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.card h3{margin-bottom:10px}
.card p{font-size:.95rem}

/* ===== Categories ===== */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff;transition:.25s;display:block}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.cat-card img{height:180px;width:100%;object-fit:cover;transition:.4s}
.cat-card:hover img{transform:scale(1.05)}
.cat-card .cc-body{padding:18px 20px}
.cat-card .cc-body h3{font-size:1.1rem;margin-bottom:4px}
.cat-card .cc-body span{font-size:13px;color:var(--muted)}
.cat-card .cc-tag{position:absolute;top:12px;left:12px;background:rgba(22,160,149,.92);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:30px}

/* ===== Product grid ===== */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:30px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter-chip{font-size:14px;font-weight:600;padding:8px 16px;border-radius:30px;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer;transition:.2s}
.filter-chip:hover{border-color:var(--teal);color:var(--teal-dark)}
.filter-chip.active{background:var(--teal);color:#fff;border-color:var(--teal)}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.prod:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--teal-light)}
.prod .pi{position:relative;overflow:hidden;background:var(--bg-soft)}
.prod .pi img{width:100%;height:220px;object-fit:cover;transition:.4s}
.prod:hover .pi img{transform:scale(1.06)}
.prod .pi .cat-badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--teal-dark);font-size:11px;font-weight:700;padding:5px 11px;border-radius:30px;letter-spacing:.03em}
.prod .pb{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column}
.prod .pb h3{font-size:1.06rem;margin-bottom:6px}
.prod .pb p{font-size:.88rem;color:var(--muted);margin-bottom:14px;flex:1}
.prod .pb .pmeta{display:flex;align-items:center;justify-content:space-between;font-size:13px}
.prod .pb .pmeta .tag{color:var(--teal-dark);font-weight:700}
.prod .pb .pmeta .arrow{color:var(--teal)}

/* ===== Split / about ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.split-img{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg)}
.split-img img{width:100%;height:420px;object-fit:cover}
.check-list{display:grid;gap:14px;margin:24px 0}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:.98rem;color:var(--ink-2)}
.check-list .ck{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--teal-light);color:var(--teal-dark);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-top:1px}

/* ===== Stats ===== */
.stats{background:var(--teal-dark);color:#fff}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:56px 22px;text-align:center}
.stats .s b{display:block;font-size:2.4rem;color:#fff;margin-bottom:6px}
.stats .s span{font-size:13px;color:rgba(255,255,255,.85);letter-spacing:.03em}

/* ===== Certifications ===== */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center;transition:.25s}
.cert:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--teal-light)}
.cert .seal{width:74px;height:74px;border-radius:50%;margin:0 auto 16px;background:var(--teal-light);display:flex;align-items:center;justify-content:center;font-size:30px;color:var(--teal-dark);border:3px solid #fff;box-shadow:0 0 0 2px var(--teal-light)}
.cert h3{font-size:1.15rem;margin-bottom:6px}
.cert .code{font-size:12px;color:var(--teal-dark);font-weight:700;letter-spacing:.04em}

/* ===== Process / steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:st}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}
.step::before{counter-increment:st;content:counter(st);position:absolute;top:-16px;left:24px;width:34px;height:34px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;box-shadow:var(--shadow)}
.step h3{font-size:1.05rem;margin-bottom:6px}
.step p{font-size:.9rem}

/* ===== CTA band ===== */
.cta-band{background:linear-gradient(120deg,var(--teal-dark),var(--teal));color:#fff;text-align:center}
.cta-band .container{padding:60px 22px}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);margin-bottom:24px;max-width:620px;margin-left:auto;margin-right:auto}

/* ===== Contact ===== */
.contact-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:start}
.contact-info .ci{display:flex;gap:14px;margin-bottom:22px}
.contact-info .ci .ic{width:46px;height:46px;border-radius:12px;background:var(--teal-light);color:var(--teal-dark);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.contact-info .ci h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:2px;font-weight:700}
.contact-info .ci p{color:var(--ink);font-weight:600;font-size:1.02rem}
.map-embed{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.map-embed iframe{width:100%;height:300px;border:0;display:block}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.form .field{margin-bottom:16px}
.form label{display:block;font-weight:700;font-size:14px;margin-bottom:6px;color:var(--ink)}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:15px;transition:.2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-light)}
.form textarea{resize:vertical;min-height:110px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .note{font-size:12px;color:var(--muted);margin-top:10px}

/* ===== Breadcrumb ===== */
.breadcrumb{background:var(--teal-50);border-bottom:1px solid var(--line)}
.breadcrumb .container{display:flex;align-items:center;gap:8px;padding:16px 22px;font-size:14px;color:var(--muted);flex-wrap:wrap}
.breadcrumb a{color:var(--teal-dark);font-weight:600}
.breadcrumb span.sep{color:var(--line)}
.breadcrumb .cur{color:var(--ink);font-weight:600}

/* ===== Page hero (inner) ===== */
.page-hero{background:linear-gradient(135deg,var(--teal-dark),var(--teal));color:#fff;padding:54px 0 48px}
.page-hero .container{padding:0 22px}
.page-hero h1{color:#fff;margin-bottom:10px}
.page-hero p{color:rgba(255,255,255,.9);max-width:680px}

/* ===== FAQ ===== */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:0;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--teal);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 22px 20px;color:var(--ink-2)}

/* ===== Footer ===== */
.footer{background:#0c1f1e;color:#cfe6e3;padding:62px 0 0}
.footer .f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:42px}
.footer h4{color:#fff;font-size:1.02rem;margin-bottom:18px}
.footer p,.footer li{font-size:14px;color:#a9c7c4;line-height:1.7}
.footer .f-about{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer .f-about img{height:38px}
.footer .f-about b{color:#fff;font-size:1.1rem}
.footer .f-links li{margin-bottom:9px}
.footer .f-links a{color:#a9c7c4}
.footer .f-links a:hover{color:#fff}
.footer .f-contact li{margin-bottom:13px;display:flex;gap:10px;align-items:flex-start}
.footer .f-contact .fi{color:var(--teal);font-size:16px;margin-top:1px;flex-shrink:0}
.footer .f-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px;color:#7fa3a0}
.footer .f-bottom a{color:#9fc7c3}

/* ===== Product Detail ===== */
.detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start}
.gallery .main-img{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--bg-soft);aspect-ratio:1/1}
.gallery .main-img img{width:100%;height:100%;object-fit:cover;display:block}
.gallery .thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:12px}
.gallery .thumbs button{border:2px solid var(--line);border-radius:9px;overflow:hidden;background:none;padding:0;cursor:pointer;aspect-ratio:1/1}
.gallery .thumbs button img{width:100%;height:100%;object-fit:cover;display:block}
.gallery .thumbs button:hover,.gallery .thumbs button.active{border-color:var(--teal)}
.detail-info .cat-pill{display:inline-block;font-size:13px;font-weight:700;color:var(--teal-dark);background:var(--teal-light);padding:6px 14px;border-radius:30px;margin-bottom:14px}
.detail-info h1{font-size:1.8rem;margin-bottom:6px}
.detail-info .en-name{color:var(--muted);font-size:1rem;margin-bottom:18px;font-weight:500}
.detail-info .desc{color:var(--ink-2);margin-bottom:22px}
.spec-table{width:100%;border-collapse:collapse;border-radius:12px;overflow:hidden;border:1px solid var(--line);margin-bottom:22px}
.spec-table th,.spec-table td{padding:11px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
.spec-table th{background:var(--teal-50);color:var(--teal-dark);font-weight:700;width:38%;vertical-align:top}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.detail-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.detail-cta .btn{flex:1;justify-content:center}
.gallery-section{margin-top:8px}
.gallery-section h2{font-size:1.4rem;margin-bottom:18px}
.detail-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.detail-gallery a{display:block;border-radius:12px;overflow:hidden;border:1px solid var(--line);aspect-ratio:1/1;background:var(--bg-soft)}
.detail-gallery a img{width:100%;height:100%;object-fit:cover;display:block;transition:.3s}
.detail-gallery a:hover img{transform:scale(1.05)}
.detail-gallery a:hover{border-color:var(--teal)}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.feature-grid .fi{display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:11px;padding:14px 16px}
.feature-grid .fi .ck{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--teal-light);color:var(--teal-dark);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-top:1px}
.feature-grid .fi span{font-size:.92rem;color:var(--ink-2)}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:992px){.detail-layout{grid-template-columns:1fr;gap:32px}.detail-gallery{grid-template-columns:repeat(3,1fr)}.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.gallery .thumbs{grid-template-columns:repeat(4,1fr)}.detail-gallery{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.detail-cta .btn{flex:1 1 100%}}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.text-sm{font-size:.9rem}
.divider{height:1px;background:var(--line);margin:0}
.bg-soft{background:var(--bg-soft)}
.tag-pill{display:inline-block;font-size:12px;font-weight:700;color:var(--teal-dark);background:var(--teal-light);padding:5px 12px;border-radius:30px;margin:3px 4px 3px 0}

/* ===== Responsive ===== */
@media(max-width:992px){
  .hero .container{grid-template-columns:1fr;padding:60px 22px}
  .hero-card img{height:260px}
  .split{grid-template-columns:1fr;gap:32px}
  .split-img img{height:300px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .stats .container{grid-template-columns:repeat(2,1fr);gap:30px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .contact-wrap{grid-template-columns:1fr}
  .footer .f-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:760px){
  .nav{display:none}
  .nav.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:12px 22px;gap:4px;box-shadow:var(--shadow-lg)}
  .nav.open a{width:100%}
  .nav-cta{display:none}
  .nav.open .nav-cta{display:inline-flex;margin-top:8px}
  .menu-btn{display:block}
  .topbar .tb-left{display:none}
  .grid-3,.prod-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .grid-2,.grid-4{grid-template-columns:1fr}
  .stats .container{grid-template-columns:1fr 1fr;gap:24px}
  .footer .f-grid{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .section{padding:52px 0}
  .hero-trust{gap:20px}
}