/* ============================================================
   塑胶塑料制品厂 - 设计系统
   精密模塑 · 可靠伙伴
   主色: 锻铁黑#1A1A1A / 深铁灰#2F3E46 / 制造蓝#0066B3
   点缀: ABS橙#F47B20 / PET蓝#00B4D8 / 通过绿#34A853 / 警示红#EA4335
   ============================================================ */
:root {
  --ink: #1A1A1A;
  --steel: #2F3E46;
  --steel-2: #3D4F59;
  --blue: #0066B3;
  --blue-deep: #005091;
  --blue-soft: #E8F2FA;
  --white: #FFFFFF;
  --gray: #F4F7FA;
  --gray-line: #E2E8EE;
  --orange: #F47B20;
  --pet-blue: #00B4D8;
  --green: #34A853;
  --red: #EA4335;
  --text: #333F47;
  --text-light: #6B7A84;
  --radius: 10px;
  --shadow: 0 4px 20px rgba(26,26,26,.08);
  --shadow-lg: 0 12px 40px rgba(26,26,26,.14);
  --font: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-head: "PingFang SC","Microsoft YaHei",Inter,sans-serif;
  --container: 1200px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family:var(--font); color:var(--text); background:var(--white);
  line-height:1.7; font-size:15px; -webkit-font-smoothing:antialiased;
}
img { max-width:100%; display:block; }
a { color:var(--blue); text-decoration:none; transition:color .2s; }
a:hover { color:var(--blue-deep); }
ul { list-style:none; }
.container { max-width:var(--container); margin:0 auto; padding:0 24px; }
h1,h2,h3,h4 { font-family:var(--font-head); color:var(--ink); font-weight:700; line-height:1.35; }

/* ---------- 按钮 ---------- */
.btn {
  display:inline-flex; align-items:center; gap:8px; padding:13px 28px;
  border-radius:6px; font-size:15px; font-weight:600; cursor:pointer;
  border:none; transition:all .25s cubic-bezier(.16,1,.3,1); text-align:center;
}
.btn-primary { background:var(--orange); color:#fff; box-shadow:0 4px 14px rgba(244,123,32,.35); }
.btn-primary:hover { background:#E56E12; color:#fff; transform:translateY(-2px); box-shadow:0 8px 22px rgba(244,123,32,.4); }
.btn-blue { background:var(--blue); color:#fff; }
.btn-blue:hover { background:var(--blue-deep); color:#fff; transform:translateY(-2px); }
.btn-outline { background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,.55); }
.btn-outline:hover { border-color:#fff; background:rgba(255,255,255,.1); color:#fff; }
.btn-dark { background:var(--ink); color:#fff; }
.btn-dark:hover { background:#000; color:#fff; }
.btn-sm { padding:8px 16px; font-size:13px; }
.btn-block { width:100%; justify-content:center; }

/* ---------- 顶部导航 ---------- */
.header {
  position:sticky; top:0; z-index:1000; background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo { display:flex; align-items:center; gap:12px; color:#fff; }
.logo-mark {
  width:44px; height:44px; border-radius:8px; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--blue),var(--pet-blue)); font-weight:800; font-size:20px; color:#fff;
}
.logo-text { font-size:19px; font-weight:700; letter-spacing:1px; }
.logo-sub { display:block; font-size:11px; font-weight:400; color:rgba(255,255,255,.55); letter-spacing:2px; }
.nav { display:flex; gap:4px; }
.nav a {
  color:rgba(255,255,255,.82); padding:9px 15px; border-radius:6px; font-size:15px; position:relative;
}
.nav a:hover, .nav a.active { color:#fff; background:rgba(255,255,255,.08); }
.nav a.active::after {
  content:""; position:absolute; left:15px; right:15px; bottom:4px; height:2px;
  background:linear-gradient(90deg,var(--orange),var(--pet-blue)); border-radius:2px;
}
.nav-cta { margin-left:10px; }
.header-actions { display:flex; align-items:center; gap:12px; }

/* 移动端菜单 */
.menu-toggle { display:none; width:42px; height:42px; border:none; background:transparent; cursor:pointer; color:#fff; font-size:22px; }
@media (max-width:900px) {
  .nav { display:none; position:absolute; top:72px; left:0; right:0; background:var(--ink); flex-direction:column; padding:16px; gap:2px; }
  .nav.open { display:flex; }
  .menu-toggle { display:block; }
  .nav-cta { display:none; }
  .header-inner { height:62px; }
}

/* ---------- Hero ---------- */
.hero {
  position:relative; min-height:78vh; display:flex; align-items:center; overflow:hidden;
  background:linear-gradient(120deg,#0D151B 0%,var(--steel) 55%,#1D4E73 100%);
  color:#fff;
}
.hero-bg { position:absolute; inset:0; overflow:hidden; opacity:.5; }
.hero-bg svg { width:100%; height:100%; }
.hero-content { position:relative; z-index:2; padding:90px 0; }
.hero-badge {
  display:inline-flex; align-items:center; gap:8px; padding:7px 16px; border-radius:100px;
  background:rgba(0,180,216,.15); border:1px solid rgba(0,180,216,.4); color:#7DDCF2;
  font-size:13px; font-weight:500; margin-bottom:22px; letter-spacing:1px;
}
.hero h1 { color:#fff; font-size:52px; font-weight:800; letter-spacing:1px; margin-bottom:18px; }
.hero h1 .grad { background:linear-gradient(90deg,#F47B20,#00B4D8); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.hero-sub { font-size:19px; color:rgba(255,255,255,.8); max-width:640px; margin-bottom:34px; }
.hero-cta { display:flex; gap:16px; flex-wrap:wrap; }
.hero-trust {
  margin-top:48px; display:flex; align-items:center; gap:14px; flex-wrap:wrap;
  padding-top:26px; border-top:1px solid rgba(255,255,255,.14);
}
.hero-trust span { font-size:13px; color:rgba(255,255,255,.6); margin-right:4px; }
.trust-badge {
  padding:5px 12px; border-radius:4px; font-size:12px; font-weight:600; letter-spacing:.5px;
  background:rgba(52,168,83,.18); color:#6FE08F; border:1px solid rgba(52,168,83,.4);
}

/* 数据滚动条 */
.stats-strip {
  background:var(--ink); color:#fff; border-top:1px solid rgba(255,255,255,.07);
}
.stats-strip .container { display:grid; grid-template-columns:repeat(5,1fr); }
.stat-item { padding:36px 20px; text-align:center; border-right:1px solid rgba(255,255,255,.08); }
.stat-item:last-child { border-right:none; }
.stat-num { font-size:42px; font-weight:800; color:#fff; font-variant-numeric:tabular-nums; }
.stat-num em { font-style:normal; color:var(--pet-blue); font-size:24px; margin-left:2px; }
.stat-label { color:rgba(255,255,255,.85); font-size:16px; font-weight:600; margin-top:6px; }
.stat-desc { color:rgba(255,255,255,.5); font-size:12px; margin-top:4px; }
@media (max-width:900px) { .stats-strip .container { grid-template-columns:repeat(2,1fr); } .stat-item { border-bottom:1px solid rgba(255,255,255,.08);} }
@media (max-width:480px) { .stats-strip .container { grid-template-columns:1fr 1fr; } }

/* ---------- 区块通用 ---------- */
.section { padding:80px 0; }
.section-alt { background:var(--gray); }
.section-head { text-align:center; margin-bottom:52px; }
.section-head .kicker {
  display:inline-block; font-size:13px; color:var(--blue); font-weight:700; letter-spacing:3px;
  text-transform:uppercase; margin-bottom:10px;
}
.section-head h2 { font-size:34px; font-weight:800; }
.section-head p { color:var(--text-light); max-width:640px; margin:14px auto 0; }
.section-head .line { width:56px; height:4px; border-radius:2px; background:linear-gradient(90deg,var(--orange),var(--pet-blue)); margin:16px auto 0; }

/* ---------- 工艺卡片 ---------- */
.process-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.process-card {
  background:#fff; border:1px solid var(--gray-line); border-radius:var(--radius);
  padding:30px 26px; text-align:center; transition:all .3s; position:relative; overflow:hidden;
  cursor:pointer;
}
.process-card::before {
  content:""; position:absolute; inset:0 0 auto 0; height:4px;
  background:linear-gradient(90deg,var(--blue),var(--pet-blue)); opacity:0; transition:opacity .3s;
}
.process-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); border-color:transparent; }
.process-card:hover::before { opacity:1; }
.process-icon {
  width:84px; height:84px; margin:0 auto 20px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--blue-soft),#fff); border:1px solid var(--gray-line);
}
.process-card h3 { font-size:20px; margin-bottom:8px; }
.process-card p { font-size:13px; color:var(--text-light); }
.process-card .proc-link { display:inline-block; margin-top:16px; font-size:13px; font-weight:600; color:var(--blue); }

/* 行业标签快速筛选 */
.industry-chips { display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-top:38px; }
.chip {
  padding:9px 20px; border-radius:100px; border:1px solid var(--gray-line); background:#fff;
  font-size:14px; cursor:pointer; transition:all .25s; color:var(--text);
}
.chip:hover, .chip.active { background:var(--blue); color:#fff; border-color:var(--blue); }

/* ---------- 产品卡片 ---------- */
.product-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.product-card {
  background:#fff; border:1px solid var(--gray-line); border-radius:var(--radius);
  overflow:hidden; transition:all .3s; display:flex; flex-direction:column;
}
.product-card:hover { transform:translateY(-5px); box-shadow:var(--shadow-lg); }
.pc-img { position:relative; background:var(--gray); aspect-ratio:4/3; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.pc-img .ph {
  width:100%; height:100%; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(145deg,#fff 0%,var(--gray) 100%);
}
.pc-tags { position:absolute; top:12px; left:12px; display:flex; gap:6px; flex-wrap:wrap; }
.pc-tag {
  font-size:11px; padding:3px 9px; border-radius:4px; font-weight:600; letter-spacing:.3px;
  background:rgba(0,102,179,.9); color:#fff;
}
.pc-tag.orange { background:rgba(244,123,32,.92); }
.pc-tag.green { background:rgba(52,168,83,.92); }
.pc-tag.pet { background:rgba(0,180,216,.92); }
.pc-body { padding:18px 20px 20px; display:flex; flex-direction:column; flex:1; }
.pc-title { font-size:16px; font-weight:700; color:var(--ink); margin-bottom:4px; }
.pc-material { font-size:12px; color:var(--blue); font-weight:600; margin-bottom:12px; }
.pc-params { font-size:12px; color:var(--text-light); display:grid; grid-template-columns:1fr 1fr; gap:4px 12px; margin-bottom:14px; }
.pc-params b { color:var(--steel); font-weight:600; }
.pc-foot { margin-top:auto; display:flex; align-items:center; justify-content:space-between; }
.pc-btn { font-size:13px; font-weight:600; color:var(--blue); display:inline-flex; align-items:center; gap:4px; }
.pc-btn:hover { color:var(--orange); }
@media (max-width:1024px) { .product-grid { grid-template-columns:repeat(2,1fr); } .process-grid { grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px) { .product-grid { grid-template-columns:1fr; } .process-grid { grid-template-columns:1fr; } }

/* ---------- 模具能力区 ---------- */
.cap-flow { display:grid; grid-template-columns:repeat(5,1fr); gap:0; position:relative; }
.cap-step { text-align:center; padding:0 16px; position:relative; }
.cap-step .dot {
  width:64px; height:64px; border-radius:50%; margin:0 auto 16px; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--blue),var(--pet-blue)); color:#fff; font-weight:800; font-size:22px;
  box-shadow:0 6px 18px rgba(0,102,179,.3); position:relative; z-index:2;
}
.cap-step h4 { font-size:16px; margin-bottom:6px; }
.cap-step p { font-size:12px; color:var(--text-light); }
.cap-step::after {
  content:""; position:absolute; top:32px; left:calc(50% + 46px); right:calc(-50% + 46px); height:2px;
  background:repeating-linear-gradient(90deg,var(--pet-blue) 0 6px,transparent 6px 12px); z-index:1;
}
.cap-step:last-child::after { display:none; }
@media (max-width:900px) { .cap-flow { grid-template-columns:repeat(2,1fr); gap:26px 0; } .cap-step::after{display:none;} }

.cap-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:56px; }
.cap-card {
  border:1px solid var(--gray-line); border-radius:var(--radius); padding:28px; background:#fff;
  transition:all .3s;
}
.cap-card:hover { box-shadow:var(--shadow); border-color:var(--pet-blue); transform:translateY(-4px); }
.cap-card .ic { font-size:30px; margin-bottom:14px; }
.cap-card h4 { font-size:17px; margin-bottom:8px; }
.cap-card p { font-size:13px; color:var(--text-light); }
.cap-card ul { margin-top:12px; display:grid; gap:6px; }
.cap-card ul li { font-size:13px; color:var(--text); padding-left:18px; position:relative; }
.cap-card ul li::before { content:"▸"; position:absolute; left:0; color:var(--pet-blue); }

/* ---------- 品控流程 ---------- */
.qc-flow { display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.qc-item { background:#fff; border:1px solid var(--gray-line); border-radius:var(--radius); padding:26px; text-align:center; transition:all .3s; }
.qc-item:hover { transform:translateY(-4px); box-shadow:var(--shadow); }
.qc-item .code {
  width:58px; height:58px; margin:0 auto 14px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  background:var(--ink); color:#fff; font-weight:800; font-size:16px; letter-spacing:1px;
}
.qc-item h4 { font-size:16px; margin-bottom:6px; }
.qc-item p { font-size:12px; color:var(--text-light); }
@media (max-width:900px) { .qc-flow { grid-template-columns:repeat(2,1fr); } }

/* ---------- 案例墙 ---------- */
.case-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.case-card {
  background:#fff; border:1px solid var(--gray-line); border-radius:var(--radius); overflow:hidden; transition:all .3s;
}
.case-card:hover { box-shadow:var(--shadow-lg); transform:translateY(-4px); }
.case-body { padding:22px 24px; }
.case-ind { display:inline-block; font-size:12px; font-weight:600; color:var(--blue); background:var(--blue-soft); padding:3px 10px; border-radius:4px; margin-bottom:10px; }
.case-card h3 { font-size:17px; margin-bottom:8px; }
.case-card .client { font-size:13px; color:var(--text-light); margin-bottom:6px; }
.case-card .client b { color:var(--text); font-weight:600; }
@media (max-width:900px) { .case-grid { grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px) { .case-grid { grid-template-columns:1fr; } }

/* ---------- 资讯卡片 ---------- */
.news-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.news-card { background:#fff; border:1px solid var(--gray-line); border-radius:var(--radius); overflow:hidden; transition:all .3s; }
.news-card:hover { box-shadow:var(--shadow-lg); transform:translateY(-4px); }
.news-body { padding:20px 22px; }
.news-cat { font-size:12px; font-weight:600; color:var(--orange); margin-bottom:8px; display:block; }
.news-card h3 { font-size:16px; line-height:1.5; margin-bottom:10px; }
.news-card h3 a { color:var(--ink); }
.news-card h3 a:hover { color:var(--blue); }
.news-meta { font-size:12px; color:var(--text-light); display:flex; gap:14px; }
@media (max-width:900px) { .news-grid { grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px) { .news-grid { grid-template-columns:1fr; } }

/* ---------- CTA 转化区 ---------- */
.cta-zone { background:linear-gradient(120deg,var(--ink),var(--steel)); color:#fff; }
.cta-zone h2 { color:#fff; font-size:36px; margin-bottom:14px; }
.cta-zone p { color:rgba(255,255,255,.75); margin-bottom:40px; max-width:560px; }
.cta-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.cta-card {
  border:1px solid rgba(255,255,255,.14); border-radius:var(--radius); padding:32px 28px;
  background:rgba(255,255,255,.04); transition:all .3s; cursor:pointer;
}
.cta-card:hover { background:rgba(255,255,255,.09); border-color:var(--orange); transform:translateY(-4px); }
.cta-card .ic { font-size:34px; margin-bottom:16px; }
.cta-card h3 { color:#fff; font-size:19px; margin-bottom:8px; }
.cta-card p { color:rgba(255,255,255,.6); font-size:13px; margin:0; }
@media (max-width:900px) { .cta-cards { grid-template-columns:1fr; } }

/* ---------- Footer ---------- */
.footer { background:var(--ink); color:rgba(255,255,255,.6); padding:60px 0 0; font-size:13px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1.4fr; gap:40px; padding-bottom:44px; }
.footer h4 { color:#fff; font-size:16px; margin-bottom:18px; }
.footer a { color:rgba(255,255,255,.6); display:block; margin-bottom:10px; }
.footer a:hover { color:#fff; }
.footer .contact li { margin-bottom:12px; display:flex; gap:10px; align-items:flex-start; }
.footer .contact b { color:#fff; display:block; font-weight:600; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.1); padding:18px 0; text-align:center; font-size:12px; color:rgba(255,255,255,.4); }
@media (max-width:900px) { .footer-grid { grid-template-columns:1fr 1fr; } }
@media (max-width:560px) { .footer-grid { grid-template-columns:1fr; } }

/* ---------- 悬浮工具 ---------- */
.float-tools { position:fixed; right:22px; bottom:26px; z-index:900; display:flex; flex-direction:column; gap:12px; }
.float-btn {
  width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:22px; cursor:pointer; transition:all .3s; box-shadow:0 6px 18px rgba(26,26,26,.25);
  border:none; position:relative;
}
.float-btn:hover { transform:scale(1.1); }
.float-btn.rfq { background:var(--orange); }
.float-btn.tech { background:var(--blue); }
.float-btn.phone { background:var(--green); }
.float-btn.wechat { background:var(--pet-blue); }
.float-tooltip {
  position:absolute; right:64px; top:50%; transform:translateY(-50%); background:var(--ink); color:#fff;
  font-size:12px; padding:6px 12px; border-radius:6px; white-space:nowrap; opacity:0; pointer-events:none; transition:opacity .25s;
}
.float-btn:hover .float-tooltip { opacity:1; }

/* 悬浮弹窗 */
.float-modal {
  position:fixed; inset:0; background:rgba(13,21,27,.6); backdrop-filter:blur(3px);
  z-index:1200; display:none; align-items:center; justify-content:center; padding:20px;
}
.float-modal.open { display:flex; }
.float-modal .box {
  background:#fff; border-radius:14px; width:100%; max-width:520px; max-height:90vh; overflow:auto;
  box-shadow:var(--shadow-lg); animation:pop .3s cubic-bezier(.16,1,.3,1);
}
@keyframes pop { from { transform:translateY(24px) scale(.97); opacity:0; } to { transform:none; opacity:1; } }
.modal-head { display:flex; align-items:center; justify-content:space-between; padding:22px 26px 0; }
.modal-head h3 { font-size:20px; }
.modal-close { width:34px; height:34px; border:none; background:var(--gray); border-radius:50%; cursor:pointer; font-size:16px; color:var(--text); }
.modal-body { padding:20px 26px 28px; }

/* ---------- 表单 ---------- */
.form-group { margin-bottom:16px; }
.form-label { display:block; font-size:13px; font-weight:600; color:var(--steel); margin-bottom:6px; }
.form-label .req { color:var(--red); margin-left:2px; }
.form-control {
  width:100%; padding:11px 14px; border:1.5px solid var(--gray-line); border-radius:7px;
  font-size:14px; font-family:inherit; color:var(--text); transition:border-color .2s, box-shadow .2s; background:#fff;
}
.form-control:focus { outline:none; border-color:var(--blue); box-shadow:0 0 0 3px rgba(0,102,179,.12); }
textarea.form-control { resize:vertical; min-height:90px; }
select.form-control { appearance:none; background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7A84' stroke-width='2' fill='none'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; padding-right:38px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-tip { font-size:12px; color:var(--text-light); margin-top:5px; }

/* 上传区域 */
.upload-zone {
  border:2px dashed var(--gray-line); border-radius:8px; padding:26px; text-align:center;
  cursor:pointer; transition:all .25s; background:var(--gray);
}
.upload-zone:hover, .upload-zone.drag { border-color:var(--blue); background:var(--blue-soft); }
.upload-zone .ic { font-size:32px; display:block; margin-bottom:8px; }
.upload-zone p { font-size:13px; color:var(--text-light); }
.upload-zone .file-name { font-size:12px; color:var(--green); font-weight:600; margin-top:8px; word-break:break-all; }

/* 表单消息 */
.form-msg { margin-top:14px; padding:11px 15px; border-radius:7px; font-size:14px; display:none; }
.form-msg.ok { display:block; background:rgba(52,168,83,.1); color:var(--green); border:1px solid rgba(52,168,83,.3); }
.form-msg.err { display:block; background:rgba(234,67,53,.08); color:var(--red); border:1px solid rgba(234,67,53,.3); }

/* ---------- 内页横幅 ---------- */
.page-hero { background:linear-gradient(120deg,#0D151B,var(--steel) 60%,#1D4E73); color:#fff; padding:64px 0; }
.page-hero h1 { color:#fff; font-size:36px; }
.page-hero .crumb { color:rgba(255,255,255,.55); font-size:13px; margin-bottom:12px; }
.page-hero .crumb a { color:rgba(255,255,255,.7); }
.page-hero p { color:rgba(255,255,255,.75); max-width:680px; margin-top:10px; }

/* ---------- 筛选栏 ---------- */
.filter-bar { background:#fff; border:1px solid var(--gray-line); border-radius:var(--radius); padding:20px 24px; margin-bottom:28px; }
.filter-row { display:flex; align-items:center; gap:12px; flex-wrap:wrap; margin-bottom:12px; }
.filter-row:last-child { margin-bottom:0; }
.filter-row .flabel { font-size:13px; font-weight:700; color:var(--steel); width:76px; flex-shrink:0; }
.filter-row .fopts { display:flex; gap:8px; flex-wrap:wrap; }
.fopt {
  padding:6px 15px; border-radius:100px; font-size:13px; border:1px solid var(--gray-line);
  cursor:pointer; background:#fff; color:var(--text); transition:all .2s;
}
.fopt:hover { border-color:var(--blue); color:var(--blue); }
.fopt.active { background:var(--blue); color:#fff; border-color:var(--blue); }

/* ---------- 产品详情 ---------- */
.pd-wrap { display:grid; grid-template-columns:1.1fr 1fr; gap:44px; padding:50px 0; }
.pd-gallery .main-img { background:var(--gray); border-radius:var(--radius); aspect-ratio:1/1; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.pd-thumbs { display:flex; gap:10px; margin-top:12px; }
.pd-thumb { width:74px; height:74px; border-radius:8px; border:2px solid transparent; cursor:pointer; overflow:hidden; background:var(--gray); display:flex; align-items:center; justify-content:center; }
.pd-thumb.active { border-color:var(--blue); }
.pd-info h1 { font-size:30px; margin-bottom:6px; }
.pd-info .part-no { font-size:13px; color:var(--text-light); margin-bottom:14px; }
.pd-tags { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:20px; }
.pd-params { border:1px solid var(--gray-line); border-radius:var(--radius); overflow:hidden; margin-bottom:24px; }
.pd-params table { width:100%; border-collapse:collapse; font-size:14px; }
.pd-params td { padding:11px 16px; border-bottom:1px solid var(--gray-line); }
.pd-params td:first-child { background:var(--gray); color:var(--steel); font-weight:600; width:130px; }
.pd-params tr:last-child td { border-bottom:none; }
.pd-cta { display:flex; gap:14px; }
.pd-cta .btn { flex:1; justify-content:center; }

/* Tab */
.pd-tabs { border-bottom:2px solid var(--gray-line); display:flex; gap:6px; margin-bottom:32px; }
.pd-tab {
  padding:12px 22px; font-size:15px; font-weight:600; color:var(--text-light); cursor:pointer;
  border:none; background:none; position:relative; font-family:inherit;
}
.pd-tab.active { color:var(--blue); }
.pd-tab.active::after { content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--blue); }
.pd-panel { display:none; }
.pd-panel.active { display:block; }

/* 物性表 */
.prop-table { width:100%; border-collapse:collapse; font-size:14px; }
.prop-table th {
  background:var(--blue); color:#fff; padding:12px 16px; text-align:left; font-weight:600; font-size:13px;
}
.prop-table td { padding:11px 16px; border-bottom:1px solid var(--gray-line); }
.prop-table tr:nth-child(even) td { background:var(--gray); }
.prop-table tr:hover td { background:var(--blue-soft); }

/* ---------- 列表视图切换 ---------- */
.view-toggle { display:flex; gap:6px; }
.view-toggle button {
  width:38px; height:38px; border:1px solid var(--gray-line); border-radius:6px; background:#fff;
  cursor:pointer; font-size:16px; color:var(--text-light); transition:all .2s;
}
.view-toggle button.active { background:var(--blue); color:#fff; border-color:var(--blue); }
.list-view .product-card { flex-direction:row; }
.list-view .pc-img { width:220px; aspect-ratio:auto; flex-shrink:0; }
.list-view .pc-body { padding:18px 22px; }

/* ---------- 分页 ---------- */
.pagination { display:flex; gap:8px; justify-content:center; margin-top:44px; flex-wrap:wrap; }
.pagination a, .pagination span {
  min-width:40px; height:40px; display:flex; align-items:center; justify-content:center;
  border:1px solid var(--gray-line); border-radius:6px; font-size:14px; color:var(--text);
  padding:0 12px; background:#fff; transition:all .2s;
}
.pagination a:hover { border-color:var(--blue); color:var(--blue); transform:translateY(-1px); }
.pagination .cur { background:var(--blue); color:#fff; border-color:var(--blue); font-weight:700; }
.pagination .disabled { color:#B9C4CE; background:var(--gray); cursor:not-allowed; }
.pagination .pg-dots { border:none; background:none; color:var(--text-light); min-width:24px; padding:0 4px; }
.pagination .pg-prev, .pagination .pg-next { font-weight:600; }

/* ---------- 面包屑+工具条 ---------- */
.toolbar { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:24px; flex-wrap:wrap; }
.toolbar .result { font-size:14px; color:var(--text-light); }
.toolbar .result b { color:var(--blue); }

/* ---------- 底部移动Tab ---------- */
.mobile-tab {
  display:none; position:fixed; bottom:0; left:0; right:0; z-index:950;
  background:rgba(26,26,26,.97); backdrop-filter:blur(8px); border-top:1px solid rgba(255,255,255,.1);
}
.mobile-tab a { flex:1; text-align:center; color:rgba(255,255,255,.6); padding:9px 0 8px; font-size:11px; }
.mobile-tab a .ic { display:block; font-size:20px; margin-bottom:2px; }
.mobile-tab a.active { color:var(--orange); }
@media (max-width:900px) {
  .mobile-tab { display:flex; }
  body { padding-bottom:58px; }
  .float-tools { bottom:72px; }
  .hero h1 { font-size:32px; }
  .pd-wrap { grid-template-columns:1fr; padding:28px 0; }
  .section { padding:52px 0; }
}

/* ---------- 动效 ---------- */
.reveal { opacity:0; transform:translateY(28px); transition:all .7s cubic-bezier(.16,1,.3,1); }
.reveal.visible { opacity:1; transform:none; }
.fade-in { animation:fadeIn .8s ease both; }
@keyframes fadeIn { from { opacity:0; transform:translateY(18px);} to {opacity:1; transform:none;} }