/* 防语言闪烁：翻译应用完成前隐藏正文（1.5s 兜底自动显示） */
html.i18n-pending body{visibility:hidden}

:root{
  --navy:#0B2545;
  --navy-2:#13315C;
  --teal:#2EC4B6;
  --teal-dark:#24a89c;
  --ink:#1A2B3C;
  --text:#3A4A5A;
  --muted:#6B7A8A;
  --line:#E4EAEF;
  --bg:#FFFFFF;
  --bg-soft:#F6F9FB;
  --accent:#F4A261;
  --radius:16px;
  --shadow:0 10px 30px rgba(11,37,69,.08);
  --maxw:1160px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Segoe UI',-apple-system,BlinkMacSystemFont,'Helvetica Neue',Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  /* 兜底：任何元素意外超宽时裁掉而不产生横向滚动条（clip 不会破坏 position:sticky） */
  overflow-x:clip;
}
h1,h2,h3,h4{color:var(--navy);font-weight:700;line-height:1.25;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.2rem)}
h2{font-size:clamp(1.6rem,3vw,2.2rem)}
h3{font-size:1.25rem}
a{color:var(--teal-dark);text-decoration:none}
a:hover{text-decoration:underline}
p{margin-bottom:1rem}
img{max-width:100%;display:block}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.nav-left{display:flex;align-items:center;gap:14px;min-width:0}
.ruo-pill{background:var(--teal);color:var(--navy);font-weight:800;font-size:.6rem;letter-spacing:.08em;padding:5px 10px;border-radius:999px;white-space:nowrap}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
/* LOGO 本身已含品牌字，按高度自适应，避免被压成方形 */
.brand img{height:38px;width:auto;max-width:min(46vw,260px);object-fit:contain;display:block}
.brand .name{font-weight:800;color:var(--navy);font-size:1.2rem;letter-spacing:.02em}
.brand .sub{display:none;font-size:.68rem;color:var(--muted);letter-spacing:.16em;text-transform:uppercase;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--ink);font-weight:600;font-size:.95rem}
.nav-links a:hover{color:var(--teal-dark);text-decoration:none}
.nav-cta{background:var(--teal);color:var(--navy)!important;padding:10px 18px;border-radius:999px;font-weight:700;white-space:nowrap}
.nav-cta:hover{background:var(--teal-dark);color:#fff!important}
.hamburger{display:none;background:none;border:none;font-size:1.6rem;color:var(--navy);cursor:pointer}

/* Language switcher */
.lang-switcher{position:relative;margin-left:8px}
.lang-btn{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:8px 14px;font-weight:600;font-size:.88rem;color:var(--ink);cursor:pointer;transition:.2s}
.lang-btn:hover{border-color:var(--teal);color:var(--teal-dark)}
.lang-btn .caret{font-size:.7rem;color:var(--muted);transition:.2s}
.lang-btn.open .caret{transform:rotate(180deg)}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:180px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(11,37,69,.16);padding:6px;display:none;z-index:60}
.lang-menu.open{display:block}
.lang-menu a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--ink);font-weight:500;font-size:.9rem}
.lang-menu a:hover{background:var(--bg-soft);text-decoration:none}
.lang-menu a.active{background:rgba(46,196,182,.12);color:var(--teal-dark);font-weight:700}
.lang-menu a .f{font-size:1.1rem}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,#0f3d5c 100%);color:#fff;padding:80px 0 72px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;background:radial-gradient(circle,rgba(46,196,182,.25),transparent 70%);border-radius:50%}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero .eyebrow{display:inline-block;background:rgba(46,196,182,.15);border:1px solid rgba(46,196,182,.4);color:#7ee6dc;padding:6px 14px;border-radius:999px;font-size:.82rem;font-weight:600;letter-spacing:.04em;margin-bottom:20px}
.hero h1{color:#fff;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero p.lead{color:#c8d6e5;font-size:1.12rem;max-width:520px;margin-bottom:28px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:700;font-size:.98rem;cursor:pointer;border:none;transition:.2s}
.btn-primary{background:var(--teal);color:var(--navy)}
.btn-primary:hover{background:var(--teal-dark);color:#fff;text-decoration:none}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-ghost:hover{border-color:#fff;text-decoration:none}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:#eaf3f5;text-decoration:none}
/* 详情页按钮组：获取报价（浅底描边） / WhatsApp 咨询（青色填充） */
.btn-quote{background:#fff;color:var(--navy);border:1.5px solid var(--line);box-shadow:0 4px 14px rgba(11,37,69,.05)}
.btn-quote:hover{background:#eaf3f5;border-color:var(--teal);color:var(--navy);text-decoration:none}
.btn-whatsapp{background:var(--teal);color:var(--navy);border:1.5px solid var(--teal)}
.btn-whatsapp:hover{background:var(--teal-dark);color:#fff;border-color:var(--teal-dark);text-decoration:none}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:28px;backdrop-filter:blur(6px)}
.hero-card h3{color:#fff;margin-bottom:16px;font-size:1.05rem}
.stat{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.stat:last-child{border-bottom:none}
.stat .num{font-size:1.6rem;font-weight:800;color:var(--teal);min-width:104px}
/* 文本型数值（如「极速 / Fast」）：缩小字号并统一基线与左侧标签对齐 */
.stat .num.txt{font-size:1.02rem;letter-spacing:.06em;text-transform:uppercase;min-width:104px;line-height:1.25}
.stat .lab{font-size:.9rem;color:#c8d6e5}

/* Sections */
section{padding:72px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 48px}
.sec-head .kicker{color:var(--teal-dark);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.8rem;margin-bottom:10px}
.sec-head h2{margin-bottom:14px}
.sec-head p{color:var(--muted)}

/* Trust bar */
.trustbar{background:var(--bg-soft);padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trustbar .container{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:600;font-size:.92rem}
.trust-item .ic{font-size:1.5rem;color:var(--teal-dark)}

/* Cards grid */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(11,37,69,.12)}
.card .ic{width:48px;height:48px;border-radius:12px;background:rgba(46,196,182,.14);display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--teal-dark);margin-bottom:16px}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:.95rem}

/* Product card */
.product{display:flex;flex-direction:column}
.product .tag{position:absolute;top:18px;left:18px;background:var(--navy);color:#fff;font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:999px;letter-spacing:.04em}
.product .thumb{height:150px;border-radius:12px;background:linear-gradient(135deg,#e8f4f5,#f3faf9);display:flex;align-items:center;justify-content:center;margin-bottom:18px;position:relative}
.product .thumb .pep{font-size:2.4rem}
.product h3{font-size:1.05rem;margin-bottom:6px}
.product .seq{color:var(--teal-dark);font-family:'Courier New',monospace;font-size:.82rem;margin-bottom:10px;letter-spacing:.02em}
.product .meta{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.product .specs{list-style:none;margin-bottom:16px}
.product .specs li{font-size:.86rem;color:var(--text);padding:5px 0;border-top:1px dashed var(--line);display:flex;justify-content:space-between}
.product .specs li span:last-child{font-weight:700;color:var(--navy)}
.product .row{display:flex;gap:10px;margin-top:auto}
.product .btn{flex:1;justify-content:center;padding:12px;font-size:.9rem}

/* Feature split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev .split-img{order:2}
.split-img{border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.split h2{margin-bottom:16px}
.checklist{list-style:none;margin-top:8px}
.checklist li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;color:var(--text)}
.checklist li::before{content:"✓";color:var(--teal-dark);font-weight:800;flex-shrink:0;margin-top:1px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{text-align:center;padding:32px 24px}
.step .n{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--navy);color:#fff;font-size:1.4rem;font-weight:800;display:flex;align-items:center;justify-content:center}

/* Compliance banner */
.compliance{background:#fff8ee;border:1px solid #f0d9b0;border-radius:var(--radius);padding:22px 26px;color:#7a5b1f;font-size:.9rem;margin-top:20px}
.compliance strong{color:#5a4313}

/* Blog */
.post{display:flex;flex-direction:column}
.post .cat{color:var(--teal-dark);font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.post h3{font-size:1.08rem;margin-bottom:10px;line-height:1.4}
.post h3 a{color:var(--navy)}
.post .date{color:var(--muted);font-size:.82rem;margin-top:auto}

/* Blog — 区块标题 / 速查表 / 方法卡 */
.wiki-head{max-width:720px;margin:0 0 34px}
.wiki-head h2{font-size:1.6rem;margin-bottom:10px}
.wiki-head p{color:var(--muted);margin-bottom:0}
.qm-section{background:var(--bg-soft)}
.qm-table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.qm-table{width:100%;border-collapse:collapse;font-size:.92rem}
.qm-table caption{padding:14px 16px;text-align:left;font-weight:700;font-size:.82rem;
  color:var(--navy);border-bottom:1px solid var(--line)}
.qm-table th{text-align:left;background:#fff;padding:11px 16px;font-size:.74rem;text-transform:uppercase;
  letter-spacing:.06em;color:var(--muted);border-bottom:1px solid var(--line);font-weight:700}
.qm-table td{padding:12px 16px;border-bottom:1px solid var(--line)}
.qm-table tbody tr:last-child td{border-bottom:0}
.qm-table .k{display:none}
/* 手机上表格转成逐行卡片，避免三列被挤压或需要横向滑动 */
@media(max-width:700px){
  .qm-table,.qm-table tbody,.qm-table tr,.qm-table td{display:block;width:100%}
  .qm-table caption{display:block;width:100%;box-sizing:border-box;padding:12px 14px}
  .qm-table thead{display:none}
  .qm-table tr{border-bottom:1px solid var(--line);padding:6px 14px}
  .qm-table tr:last-child{border-bottom:0}
  .qm-table td{display:flex;justify-content:space-between;gap:14px;border:0;padding:7px 0;line-height:1.45}
  .qm-table td+td{border-top:1px dashed #e8edf2}
  .qm-table .k{display:block;color:var(--muted);font-size:.78rem;font-weight:600;flex:0 0 auto}
  .qm-table .v{margin-left:auto;text-align:right;font-weight:600;color:var(--navy)}
}
.qm-note{font-size:.82rem;color:var(--muted);margin-top:14px}
.m-idx{font-weight:800;color:var(--teal);font-size:.86rem;letter-spacing:.14em;margin-bottom:10px}

/* Contact */
.contact-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}
.contact-info h2{margin-bottom:16px}
.contact-card{display:flex;align-items:center;gap:16px;padding:18px;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;background:#fff}
.contact-card .ic{width:48px;height:48px;border-radius:12px;background:rgba(46,196,182,.14);display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--teal-dark);flex-shrink:0}
.contact-card .lab{font-size:.8rem;color:var(--muted)}
.contact-card .val{font-weight:700;color:var(--navy)}
/* 整张卡片都是可点击区域（WhatsApp / 邮箱） */
.contact-card.clickable{text-decoration:none;cursor:pointer;
  transition:border-color .18s ease,box-shadow .22s ease,transform .22s cubic-bezier(.22,1,.36,1),background .18s ease}
.contact-card.clickable:hover{border-color:var(--teal);background:#fbfefe;
  box-shadow:0 10px 26px rgba(11,37,69,.10);transform:translateY(-2px)}
.contact-card.clickable:active{transform:translateY(0) scale(.995);box-shadow:0 4px 12px rgba(11,37,69,.10)}
.contact-card.clickable:focus-visible{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(46,196,182,.20)}
.contact-card.clickable:hover .ic{background:rgba(46,196,182,.22)}
/* 联系方式：去掉虚线下划线，改成带底色的圆角填充标签 */
.contact-card .linklike{display:inline-block;color:var(--teal-dark);background:rgba(46,196,182,.12);
  border:1px solid rgba(46,196,182,.32);border-radius:999px;padding:5px 14px;
  font-weight:700;line-height:1.35;transition:background .18s ease,color .18s ease,border-color .18s ease}
.contact-card.clickable:hover .linklike{background:var(--teal);color:var(--navy);border-color:var(--teal)}

/* Form */
form.inquiry{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;color:var(--navy);font-size:.9rem;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:.95rem;font-family:inherit;color:var(--ink);background:#fff;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(46,196,182,.15)}
.field textarea{min-height:110px;resize:vertical}
.form-note{font-size:.8rem;color:var(--muted);margin-top:12px;text-align:center}
.form-ok{display:none;text-align:center;padding:40px 20px}
.form-ok.show{display:block}
.form-ok .big{font-size:3rem;margin-bottom:12px}

/* Footer */
footer.site{background:var(--navy);color:#b8c7d6;padding:56px 0 24px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px}
.foot-grid h4{color:#fff;font-size:.95rem;margin-bottom:16px;letter-spacing:.04em}
.foot-grid a{color:#b8c7d6;display:block;margin-bottom:8px;font-size:.9rem}
.foot-grid a:hover{color:var(--teal)}
.foot-brand{color:#fff;font-weight:800;font-size:1.2rem;margin-bottom:12px}
/* 深蓝页脚使用配套的白色版 LOGO（自带青点，无需滤镜反白） */
.foot-brand img{height:30px;width:auto;max-width:190px;object-fit:contain;vertical-align:middle}
/* 关于页：深蓝渐变卡片里放白色 LOGO */
.split-img.brand-logo{background:linear-gradient(135deg,#0B2545,#13315C);
  display:flex;align-items:center;justify-content:center;padding:64px 44px;min-height:220px}
.split-img.brand-logo img{width:min(100%,320px);height:auto}
.foot-disclaimer{font-size:.78rem;color:#7d8fa0;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;line-height:1.7}
.foot-copy{font-size:.82rem;color:#7d8fa0;margin-top:16px;text-align:center}

/* Floating WhatsApp */
.wa-float{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(37,211,102,.45);z-index:99;transition:.2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#fff}

/* ============ Reference-style sections ============ */

/* Section kicker */
.kicker{color:var(--teal-dark);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.8rem;margin-bottom:10px}

/* CATALOG — product cards with price */
.pcard{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:.25s}
.pcard:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(11,37,69,.12)}
.pcard .badges{position:absolute;top:16px;left:16px;display:flex;gap:6px;flex-wrap:wrap;max-width:calc(100% - 32px)}
.pcard .b-stock{background:rgba(46,196,182,.14);color:var(--teal-dark);font-size:.7rem;font-weight:700;padding:3px 8px;border-radius:999px}
.pcard .b-best{background:var(--navy);color:#fff;font-size:.7rem;font-weight:700;padding:3px 8px;border-radius:999px}
/* 销量排名徽章（#1 / #2 …） */
.pcard .b-rank{background:var(--navy);color:#fff;font-size:.72rem;font-weight:800;padding:3px 9px;border-radius:999px;letter-spacing:.02em;box-shadow:0 2px 8px rgba(11,37,69,.18)}
/* 产品图区：方形留白，图片完整显示（contain，不裁剪） */
.pcard .code{width:100%;aspect-ratio:1/1;border-radius:12px;background:linear-gradient(135deg,#f4fafb,#fbfdfd);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.pcard .code span{font-size:1.6rem;font-weight:800;color:var(--navy);letter-spacing:.06em}
.pcard h3{font-size:1.05rem;margin-bottom:8px}
.pcard .desc{font-size:.88rem;color:var(--muted);margin-bottom:14px;flex:1}
.pcard .bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px solid var(--line)}
.pcard .price{font-size:1.25rem;font-weight:800;color:var(--navy)}
.pcard .btn{padding:9px 16px;font-size:.85rem}

/* RESEARCH CHECKLIST — numbered steps */
.cklist{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:40px}
.ckitem{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.ckitem .n{font-size:2.2rem;font-weight:800;color:var(--teal);line-height:1;margin-bottom:12px}
.ckitem h3{font-size:1.1rem;margin-bottom:10px}
.ckitem p{font-size:.92rem;color:var(--muted);margin-bottom:0}

/* BY THE NUMBERS */
.nums{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.num .v{font-size:2.6rem;font-weight:800;color:var(--teal);line-height:1.1}
.num .l{font-size:.92rem;color:var(--muted);margin-top:6px}

/* TESTIMONIALS */
.tm{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.tmcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.tmcard .quote{font-size:.98rem;color:var(--text);font-style:italic;margin-bottom:20px}
.tmcard .who{display:flex;align-items:center;gap:12px}
.tmcard .av{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;font-size:.9rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.tmcard .nm{font-weight:700;color:var(--navy);font-size:.95rem}
.tmcard .rl{font-size:.82rem;color:var(--muted)}

/* FAQ accordion */
.faq{max-width:780px;margin:0 auto}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;font-weight:700;color:var(--navy);cursor:pointer;background:#fff;transition:.2s}
.faq-q:hover{border-color:var(--teal)}
.faq-q .arw{color:var(--teal-dark);font-weight:800;transition:.2s;flex-shrink:0}
.faq-q.open .arw{transform:rotate(45deg)}
.faq-q.open{color:var(--teal-dark);border-color:var(--teal)}
.faq-a{display:none;padding:0 22px 20px;color:var(--muted);font-size:.95rem}

/* Trust logos strip */
.logos{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;opacity:.55}
.logos span{font-weight:700;color:var(--navy);font-size:1.05rem;letter-spacing:.02em}

/* 产品卡图片 */
.pcard .code{overflow:hidden}
/* 完整展示：contain + 内边距 + hover 轻微放大（仍不裁剪） */
.pcard .code img{width:100%;height:100%;object-fit:contain;background:#fff;padding:10px;transition:transform .3s}
.pcard:hover .code img{transform:scale(1.04)}
.pcard .code.noimg{background:linear-gradient(135deg,#eef7f8,#f7fbfb)}
.pcard .bottom .price{font-size:1.02rem}

/* 产品详情页 */
/* minmax(0,1fr) 关键：否则表格(nowrap)的 min-content 会把轨道撑宽，手机上整块内容溢出屏幕 */
.pdp{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:44px;margin-top:40px}
.pdp-media,.pdp-info{min-width:0}
.pdp-media{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;align-items:center;justify-content:center;min-height:320px;position:relative}
.pdp-media img{max-width:100%;max-height:380px;object-fit:contain}
.pdp-media .noimg{font-size:2.4rem;font-weight:800;color:var(--navy);opacity:.25;letter-spacing:.06em}
.pdp .pcat{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--teal-dark);font-weight:700}
.pdp h1{font-size:1.95rem;margin:8px 0 6px;line-height:1.2}
.pdp .pprice{font-size:1.6rem;font-weight:800;color:var(--navy)}
.pdp .pprice small{font-size:.86rem;font-weight:600;color:var(--muted)}
.pdp .plead{color:var(--text);margin:16px 0 4px;line-height:1.75}
.spec-table{width:100%;border-collapse:collapse;margin:20px 0 24px;font-size:.9rem}
.spec-table caption.spec-cap{background:var(--bg-soft);padding:11px 14px;text-align:left;font-weight:700;font-size:.82rem;border-bottom:1px solid var(--line);color:var(--navy);text-transform:none;letter-spacing:0}
.spec-table th{text-align:left;background:#fff;padding:10px 12px;font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-bottom:1px solid var(--line)}
.spec-table td{padding:10px 12px;border-bottom:1px solid var(--line)}
.spec-table .sk{font-family:var(--font-mono,ui-monospace,monospace);font-size:.82rem;color:var(--muted)}
.spec-table .pr{font-weight:700;color:var(--navy)}
.spec-table .av{color:var(--teal-dark);font-weight:700;font-size:.82rem}
.pdp-actions{display:flex;gap:12px;flex-wrap:wrap}
.pdp-body{margin-top:44px;padding-top:32px;border-top:1px solid var(--line)}
.pdp-body h2{font-size:1.3rem;margin-bottom:12px}
.pdp-body p{color:var(--text);line-height:1.85}
.pdp-notice{background:#eef7f8;border-left:3px solid var(--teal);padding:18px 22px;font-size:.88rem;color:var(--text);border-radius:0 8px 8px 0}
.pdp-notice h2{font-size:.95rem;font-weight:700;color:var(--navy);margin-bottom:10px}
.pdp-notice p{line-height:1.75}
.pdp-notice p + p{margin-top:8px}
.pdp-back{display:inline-block;margin-top:32px;font-size:.9rem;color:var(--muted)}
.pdp-backtop{display:inline-block;margin:22px 0 6px;font-size:.86rem;color:var(--muted);transition:color .2s}
.pdp-backtop:hover{color:var(--teal-dark)}

/* 分类小标题 */
.cat-head{font-size:1.08rem;margin:38px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--teal);display:inline-block;color:var(--navy);font-weight:700;letter-spacing:.01em}
.cat-head:first-of-type{margin-top:8px}

/* 产品目录搜索栏（贴顶固定，手机优先） */
.psearchbar{position:sticky;top:72px;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin-bottom:22px;box-shadow:0 6px 20px rgba(11,37,69,.06)}
.psearch-field{position:relative;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:0 6px 0 18px;height:48px}
.psearch-field:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px rgba(46,196,182,.14)}
.psearch-input{flex:1;border:none;outline:none;font-size:1rem;background:transparent;min-width:0;-webkit-appearance:none;appearance:none}
.psearch-input::-webkit-search-cancel-button{display:none}
.psearch-clear{display:none;background:#f1f4f7;border:none;color:var(--muted);font-size:.8rem;cursor:pointer;
  width:24px;height:24px;border-radius:50%;line-height:1;flex-shrink:0}
/* 右侧圆形放大镜搜索按钮 */
.psearch-go{width:36px;height:36px;border-radius:50%;background:var(--teal);border:none;color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s}
.psearch-go:hover{background:var(--teal-dark)}
.psearch-go:active{transform:scale(.94)}
/* 输入时浮出的产品建议列表 */
.psearch-sug{position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:40;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:0 14px 34px rgba(11,37,69,.16);max-height:52vh;overflow-y:auto;-webkit-overflow-scrolling:touch}
.psearch-sug[hidden]{display:none}
.psearch-sug a{display:flex;align-items:center;gap:10px;padding:10px 14px;color:var(--navy);border-bottom:1px solid var(--line);text-decoration:none}
.psearch-sug a:last-child{border-bottom:none}
.psearch-sug a:active{background:var(--bg-soft)}
.psearch-sug a img{width:34px;height:34px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:6px;flex-shrink:0}
.psearch-sug .s-name{font-weight:700;font-size:.9rem;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.psearch-sug .s-price{font-size:.82rem;color:var(--teal-dark);font-weight:700;flex-shrink:0}
.psearch-sug .s-none{padding:12px 14px;font-size:.85rem;color:var(--muted)}
.psearch-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ptag{background:var(--bg-soft);border:1px solid var(--line);color:var(--navy);font-size:.8rem;font-weight:600;
  padding:6px 12px;border-radius:999px;cursor:pointer;transition:.2s}
.ptag:hover{border-color:var(--teal);background:rgba(46,196,182,.1)}
.ptag.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.psearch-meta{margin-top:10px;font-size:.85rem;color:var(--muted);margin-bottom:0}
/* 默认提示文案已移除：没有内容时不占位，只在搜索时显示结果数 */
.psearch-meta:empty{display:none}
.psearch-meta.empty{color:#c0392b}
/* 搜索无结果时的空分类标题不占位 */
.cat-head[hidden]{display:none}
/* 关键：.pcard 自带 display:flex，必须显式让 hidden 生效，否则筛选只改计数、卡片仍全显示 */
.pcard[hidden]{display:none}

/* 基础属性表 */
.prop-table{width:100%;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;border-collapse:separate;border-spacing:0;margin:0 0 22px;font-size:.88rem}
.prop-table caption{background:var(--bg-soft);padding:11px 14px;text-align:left;font-weight:700;font-size:.82rem;border-bottom:1px solid var(--line)}
.prop-table th{width:32%;text-align:left;padding:11px 14px;font-weight:600;vertical-align:top;border-top:1px solid var(--line);background:#fff}
.prop-table td{padding:11px 14px;border-top:1px solid var(--line);color:var(--text);line-height:1.7}
.prop-table tr:first-child th,.prop-table tr:first-child td{border-top:none}

/* 四宫格 */
.pdp-panels{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.pdp-panels .panel{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.pdp-panels .panel h3{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--teal-dark);font-weight:700;margin-bottom:9px}
.pdp-panels .panel p{font-size:.88rem;line-height:1.8;color:var(--text);white-space:pre-line}

/* 联系表单：身份类型下拉 + 字段提示 + 自定义提示条 */
.field .hint{margin-top:6px;font-size:.76rem;color:var(--muted);line-height:1.5}
.sel-wrap{position:relative}
.sel-wrap select{appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:40px}
.sel-wrap .sel-arw{position:absolute;right:14px;top:50%;transform:translateY(-50%);
  pointer-events:none;color:var(--muted);font-size:.8rem;transition:transform .2s ease}
.sel-wrap select:focus + .sel-arw{transform:translateY(-50%) rotate(180deg);color:var(--teal-dark)}
.field.invalid input,.field.invalid select,.field.invalid textarea{
  border-color:#E8590C;box-shadow:0 0 0 3px rgba(232,89,12,.13)}
.field.invalid{animation:pbShake .42s cubic-bezier(.36,.07,.19,.97)}
@keyframes pbShake{
  10%,90%{transform:translateX(-1px)} 20%,80%{transform:translateX(2px)}
  30%,50%,70%{transform:translateX(-3px)} 40%,60%{transform:translateX(3px)}
}

/* 自定义提示条：替代浏览器原生校验气泡，缓入缓出 */
.pb-toast{
  position:fixed;left:50%;top:96px;z-index:1200;
  display:flex;align-items:flex-start;gap:10px;
  min-width:260px;max-width:min(92vw,460px);
  padding:13px 16px 15px;border-radius:14px;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);
  border:1px solid rgba(11,37,69,.10);
  box-shadow:0 14px 34px rgba(11,37,69,.16),0 2px 6px rgba(11,37,69,.08);
  opacity:0;visibility:hidden;transform:translate(-50%,-16px) scale(.96);
  transition:opacity .34s cubic-bezier(.22,1,.36,1),
             transform .42s cubic-bezier(.22,1,.36,1),
             visibility .34s linear;
  pointer-events:none;
}
.pb-toast.show{opacity:1;visibility:visible;transform:translate(-50%,0) scale(1)}
.pb-toast-ic{flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#FFF1E6;color:#E8590C;margin-top:1px}
.pb-toast-msg{flex:1;font-size:.9rem;line-height:1.5;color:var(--navy);font-weight:600}
.pb-toast-bar{position:absolute;left:14px;right:14px;bottom:7px;height:2px;
  border-radius:2px;background:var(--teal);transform-origin:left center;
  animation:pbBar 3.6s linear forwards}
.pb-toast.show .pb-toast-bar{animation:pbBar 3.6s linear forwards}
@keyframes pbBar{from{transform:scaleX(1);opacity:.85}to{transform:scaleX(0);opacity:.85}}

/* Responsive */
@media(max-width:900px){
  .hero .container{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .split.rev .split-img{order:0}
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-2{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:minmax(0,1fr)}
  /* 移动端整体收紧：容器左右留白与板块间距都缩小，避免视觉割裂 */
  .container{padding:0 16px}
  section{padding:48px 0}
  h1{font-size:clamp(1.7rem,7vw,2.4rem)}
  h2{font-size:clamp(1.35rem,5.5vw,1.9rem)}
  .sec-head{margin-bottom:32px}
  .pdp{grid-template-columns:minmax(0,1fr);gap:22px;margin-top:14px}
  .pdp-media{min-height:240px}
  /* 移动端收紧产品详情页顶部留白：返回链接贴着导航栏，图片紧跟其后 */
  section.pdp-page{padding:20px 0 52px}
  .pdp-backtop{margin:0 0 2px}
  .pdp-media{padding:14px}
  .pdp-media img{max-height:240px}
  .pdp h1{font-size:1.6rem}
  .pdp .pprice{font-size:1.4rem}
  /* 移动端：把「获取报价 / WhatsApp 咨询」提到价格正下方，避免沉到规格表底部 */
  .pdp-info{display:flex;flex-direction:column}
  .pdp .pcat{order:1}
  .pdp h1{order:2}
  .pdp .pprice{order:3;margin-bottom:16px}
  .pdp-actions{order:4;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0 0 18px}
  .pdp-actions .btn{width:auto;min-width:0;justify-content:center;padding:12px 8px;font-size:.92rem}
  .prop-table{order:5}
  .spec-table{order:6}
  .pdp-body{margin-top:28px;padding-top:22px}
  .prop-table,.spec-table{max-width:100%}
  .pdp-panels{grid-template-columns:1fr;gap:14px}
  .cklist,.tm{grid-template-columns:minmax(0,1fr)}
  .nums{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-wrap{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;gap:16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .hamburger{display:block}
  .lang-switcher{margin-left:auto}
  .lang-menu{right:auto;left:0}
  .hero{padding:52px 0 44px}
  .hero p.lead{font-size:1rem}
  .pcard{padding:16px}
  .pcard .desc{font-size:.84rem}
  .psearchbar{top:72px}
  /* 移动端表格横向滚动，避免规格表撑破屏幕（基础属性表保持自动换行，避免整段说明要横滑才看得完） */
  .prop-table,.spec-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .spec-table{white-space:nowrap}
  .prop-table{font-size:.84rem}
  .prop-table th{width:34%;white-space:normal}
  .prop-table td{white-space:normal}
}
@media(max-width:560px){
  /* 产品卡片：手机上一行 2 个，图片完整展示 */
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .container{padding:0 14px}
  section{padding:40px 0}
  .foot-grid{grid-template-columns:1fr}
  .ruo-pill{display:none}
  .brand .name{font-size:1.05rem}
  .brand img{height:34px;max-width:42vw}
  .brand{gap:10px}
  .split-img.brand-logo{padding:44px 26px;min-height:170px}

  .pcard{padding:12px}
  .pcard .badges{top:8px;left:8px;max-width:calc(100% - 16px);gap:4px}
  .pcard .b-stock,.pcard .b-best,.pcard .b-rank{font-size:.62rem;padding:2px 6px}
  .pcard .code{margin-bottom:10px}
  .pcard .code img{padding:6px}
  .pcard h3{font-size:.94rem;margin-bottom:6px;line-height:1.25}
  .pcard .desc{font-size:.78rem;line-height:1.45;margin-bottom:10px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .pcard .bottom{padding-top:10px;flex-direction:column;align-items:stretch;gap:8px}
  .pcard .price{font-size:1.08rem}
  .pcard .bottom .btn{width:100%;text-align:center;padding:8px 10px;font-size:.8rem}

  .lang-btn{font-size:.78rem;padding:6px 10px}
  .brand .name{font-size:1rem}
  /* 手机上隐藏副标题，避免把菜单按钮挤出屏幕 */
  .brand .sub{display:none}
  .brand img{height:30px;max-width:40vw}
  .split-img.brand-logo{padding:36px 20px;min-height:150px}
  .psearchbar{top:72px;padding:10px 12px;margin-bottom:14px}
  .psearch-field{height:44px;padding:0 5px 0 14px}
  .psearch-go{width:32px;height:32px}
  .psearch-go svg{width:17px;height:17px}
  .psearch-sug{max-height:46vh}
  .psearch-sug a{padding:9px 12px}
  .psearch-sug a img{width:30px;height:30px}
  .psearch-sug .s-name{font-size:.86rem}
  .pdp{margin-top:10px}
  .pdp-media{min-height:200px}
  section.pdp-page{padding:14px 0 44px}
  /* 规格对照表：手机上改成卡片竖排，每个规格一张卡、占满屏宽，不再挤成 5 条窄列 */
  .spec-table.stacked{display:block;overflow:visible;white-space:normal;
    margin:12px 0 16px;font-size:.92rem;border:0}
  .spec-table.stacked caption.spec-cap{display:block;padding:0 2px 8px;font-size:.8rem;
    background:none;border:0;color:var(--muted);font-weight:700}
  .spec-table.stacked thead{display:none}
  .spec-table.stacked tbody{display:block}
  .spec-table.stacked tr{display:block}
  .spec-table.stacked tr:first-child,.spec-table.stacked tr:first-of-type{display:none}
  .spec-table.stacked tr+tr{background:#fff;border:1px solid var(--line);
    border-radius:10px;padding:10px 13px;margin:0 0 10px}
  .spec-table.stacked td{display:flex;align-items:center;justify-content:space-between;
    gap:14px;border:0;padding:6px 0;font-size:.94rem;line-height:1.4}
  .spec-table.stacked td+td{border-top:1px dashed var(--line-soft,#e8edf2)}
  .spec-table.stacked td::before{content:attr(data-l);flex:0 0 auto;
    color:var(--muted);font-size:.78rem;font-weight:600;letter-spacing:.02em}
  /* 数值整体打包成一个元素，保证「10 瓶 / $49.00」靠右显示，不会被当成独立列挤到中间 */
  .spec-table.stacked td .sv{margin-left:auto;text-align:right;font-weight:700}
  .spec-table.stacked td.sk{font-size:.8rem;padding-top:2px}
  .spec-table.stacked td.sk::before{text-transform:uppercase;letter-spacing:.06em}
  .spec-table.stacked td .pr{font-size:1.06rem}
  .spec-table.stacked td .av{font-size:.86rem}
  .prop-table{margin-bottom:14px}
  .psearch-tags{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;margin-top:8px}
  .ptag{font-size:.75rem;padding:5px 10px;white-space:nowrap}
  .psearch-meta{margin-top:8px;font-size:.78rem}
  /* 悬浮按钮缩小，避免手机上遮挡卡片内容 */
  .wa-float{right:14px;bottom:14px;width:50px;height:50px}
  .wa-float svg{width:28px;height:28px}
  .pb-toast{top:84px;min-width:0;width:calc(100% - 28px);max-width:none;left:14px;
    transform:translateY(-16px) scale(.97);padding:12px 14px 14px}
  .pb-toast.show{transform:translateY(0) scale(1)}

  /* —— 手机端整体收拢：卡片内边距、区块间距统一缩小，避免视觉割裂 —— */
  .card,.ckitem,.tmcard{padding:20px}
  form.inquiry{padding:20px}
  .hero-card{padding:20px}
  /* 手机上收窄数值列，让右侧说明尽量一行放下，不出现「…报 / 价」这种孤字换行 */
  .stat{gap:10px}
  .stat .num{min-width:66px;font-size:1.34rem}
  .stat .num.txt{min-width:66px;font-size:.9rem;letter-spacing:.04em}
  .stat .lab{font-size:.86rem}
  .pdp-notice{padding:16px 18px}
  .pdp-panels .panel{padding:16px}
  .faq-q{padding:15px 16px;font-size:.95rem}
  .faq-a{padding:0 16px 18px}
  .compliance{padding:16px 18px;font-size:.85rem}
  footer.site{padding:40px 0 20px;margin-top:24px}
  .foot-grid{gap:24px}
  .foot-disclaimer{font-size:.74rem}
  .trustbar{padding:20px 0}
  /* 手机上第二行只有两项，靠左会留出大片空白：整块居中，两项一起往右收拢 */
  .trustbar .container{gap:12px 16px;justify-content:center}
  .trust-item{font-size:.85rem}
  .trust-item .ic{font-size:1.25rem}
  .logos{gap:20px}
  .logos span{font-size:.92rem}
  .contact-card{padding:14px;gap:12px}
  .btn{padding:12px 20px;font-size:.92rem}
  .sec-head{margin-bottom:26px}
  /* 触屏设备不做 hover 位移，避免点完卡片停在半空 */
  .pcard:hover,.card:hover{transform:none;box-shadow:var(--shadow)}
}
/* 只在支持 hover 的设备上启用卡片上浮 */
@media(hover:hover) and (pointer:fine){
  .pcard:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(11,37,69,.12)}
  .card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(11,37,69,.12)}
}