/* ==========================================================================
   壹本自动化 YIBEN —— 官网主样式
   ========================================================================== */

:root {
  --navy: #08192b;
  --navy-2: #0e2a45;
  --navy-3: #14395c;
  --ink: #0f1c2b;
  --text: #26374a;
  --muted: #5d6f82;
  --light: #8fa0b2;
  --line: #e4eaf1;
  --line-2: #eef2f7;
  --bg: #f5f7fa;
  --white: #fff;
  --brand: #ff6a1a;
  --brand-2: #ff8a3d;
  --brand-soft: #fff2ea;
  --radius: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(14, 42, 69, .06);
  --shadow: 0 8px 24px rgba(14, 42, 69, .08);
  --shadow-lg: 0 24px 60px rgba(8, 25, 43, .14);
  --container: 1240px;
  --header-h: 78px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body[data-lang="en"] { font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }

h1, h2, h3, h4, h5 { margin: 0; color: var(--ink); font-weight: 700; line-height: 1.28; letter-spacing: -.01em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.section { padding: 96px 0; }
.section--tight { padding: 72px 0; }
.section--gray { background: var(--bg); }
.section--dark { background: var(--navy); color: #cfdae6; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--brand);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--brand); display: block; }
body[data-lang="zh"] .eyebrow { letter-spacing: .12em; }

.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 44px; }
.sec-head h2 { font-size: 36px; margin-top: 14px; }
.sec-head p { color: var(--muted); margin-top: 12px; max-width: 560px; }
.sec-head--center { display: block; text-align: center; }
.sec-head--center p { margin-left: auto; margin-right: auto; }
.sec-head--dark h2 { color: #fff; }
.sec-head--dark p { color: #93a7bb; }

.link-more {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  font-size: 14px; font-weight: 600; color: var(--ink);
  border-bottom: 1px solid var(--line); padding-bottom: 2px; transition: .25s var(--ease);
}
.link-more:hover { color: var(--brand); border-color: var(--brand); gap: 12px; }

/* --------------------------------- 按钮 --------------------------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 50px; padding: 0 28px; border-radius: 4px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; letter-spacing: .01em;
  transition: .28s var(--ease); cursor: pointer; white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(255, 106, 26, .26); }
.btn--primary:hover { background: #f25c08; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(255, 106, 26, .34); }
.btn--ghost { border-color: rgba(255, 255, 255, .34); color: #fff; background: rgba(255, 255, 255, .04); }
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .6); transform: translateY(-2px); }
.btn--dark { background: var(--navy); color: #fff; }
.btn--dark:hover { background: var(--navy-2); transform: translateY(-2px); }
.btn--outline { border-color: var(--line); color: var(--ink); background: #fff; }
.btn--outline:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn--sm { height: 42px; padding: 0 20px; font-size: 14px; }
.btn--block { width: 100%; }

/* --------------------------------- 头部 --------------------------------- */

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header-h);
  background: rgba(255, 255, 255, .94); backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent; transition: .3s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 22px rgba(8, 25, 43, .06); }
.header-inner { display: flex; align-items: center; height: var(--header-h); gap: 26px; }

.logo { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.logo-mark { width: 42px; height: 42px; flex: 0 0 auto; border-radius: 8px; object-fit: contain; background: #fff; }
.logo-full { height: 58px; width: auto; flex: 0 0 auto; background: #fff; border-radius: 10px; padding: 6px 10px; object-fit: contain; }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-cn { font-size: 17px; font-weight: 800; color: var(--ink); letter-spacing: .04em; }
.logo-en { font-size: 10px; font-weight: 700; letter-spacing: .26em; color: var(--light); text-transform: uppercase; margin-top: 3px; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: 18px; }
.nav a {
  position: relative; padding: 8px 14px; font-size: 15px; font-weight: 500; color: var(--text);
  border-radius: 4px; transition: .2s;
}
.nav a:hover { color: var(--brand); }
.nav a.is-active { color: var(--ink); font-weight: 700; }
.nav a.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 0; height: 2px; background: var(--brand);
}

.header-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.header-phone { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: var(--ink); }
.header-phone svg { width: 16px; height: 16px; color: var(--brand); }
.header-phone span.k { display: block; font-size: 11px; font-weight: 500; color: var(--light); letter-spacing: .06em; }

.lang-switch {
  display: flex; align-items: center; padding: 3px; background: var(--bg);
  border: 1px solid var(--line); border-radius: 999px;
}
.lang-switch button {
  border: 0; background: transparent; padding: 5px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--muted); transition: .2s;
}
.lang-switch button.is-on { background: var(--ink); color: #fff; }

.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: 4px; }
.burger span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 4px auto; transition: .25s; }

/* --------------------------------- 首页 Hero ---------------------------- */

.hero { position: relative; min-height: 720px; display: flex; align-items: center; padding-top: var(--header-h); overflow: hidden; background: var(--navy); }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6, 20, 34, .96) 0%, rgba(6, 20, 34, .86) 38%, rgba(6, 20, 34, .35) 68%, rgba(6, 20, 34, .55) 100%);
}
.hero-inner { position: relative; z-index: 2; padding: 90px 0 120px; }
.hero-eyebrow { color: rgba(255, 255, 255, .72); }
.hero-eyebrow::before { background: var(--brand); }
.hero h1 {
  color: #fff; font-size: 62px; line-height: 1.14; letter-spacing: -.02em;
  margin: 22px 0 0; white-space: pre-line; font-weight: 800; max-width: 760px;
}
.hero h1 em { font-style: normal; color: var(--brand); }
.hero-sub { color: rgba(232, 240, 248, .78); font-size: 17px; line-height: 1.85; max-width: 600px; margin-top: 24px; }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 46px; margin-top: 62px; flex-wrap: wrap; }
.hero-meta .k { font-size: 30px; font-weight: 800; color: #fff; letter-spacing: -.02em; }
.hero-meta .k i { font-style: normal; color: var(--brand); }
.hero-meta .l { font-size: 13px; color: rgba(200, 214, 228, .7); margin-top: 2px; letter-spacing: .04em; }
.hero-scroll {
  position: absolute; right: 40px; bottom: 36px; z-index: 2; display: flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: rgba(255, 255, 255, .5);
  writing-mode: vertical-rl;
}
.hero-scroll::after { content: ""; width: 1px; height: 54px; background: linear-gradient(rgba(255,255,255,.6), transparent); }

/* 底部信息条 */
.hero-strip { position: relative; z-index: 3; margin-top: -70px; margin-bottom: 0; }
.hero-strip-inner {
  display: grid; grid-template-columns: repeat(4, 1fr); background: #fff;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden;
}
.strip-item { padding: 28px 26px; border-right: 1px solid var(--line-2); display: flex; gap: 14px; align-items: flex-start; }
.strip-item:last-child { border-right: 0; }
.strip-item .ico { width: 38px; height: 38px; flex: 0 0 auto; border-radius: 50%; background: var(--brand-soft); display: grid; place-items: center; color: var(--brand); }
.strip-item .ico svg { width: 19px; height: 19px; }
.strip-item h4 { font-size: 14.5px; }
.strip-item p { font-size: 12.5px; color: var(--muted); margin-top: 4px; line-height: 1.65; }

/* --------------------------------- 分类卡片 ----------------------------- */

.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cat-card {
  position: relative; display: block; padding: 26px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden; transition: .35s var(--ease);
}
.cat-card:hover { border-color: transparent; box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.cat-card .cat-thumb {
  display: block; width: 100%; aspect-ratio: 1 / .72; border-radius: 8px; overflow: hidden; background: #f2f4f7; margin-bottom: 20px;
}
.cat-card .cat-thumb img { width: 100%; height: 100%; object-fit: cover; transition: .6s var(--ease); }
.cat-card:hover .cat-thumb img { transform: scale(1.06); }
.cat-card h3 { font-size: 18px; }
.cat-card .en { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--light); font-weight: 700; margin-top: 6px; }
.cat-card p { font-size: 13px; color: var(--muted); margin-top: 10px; min-height: 42px; }
.cat-card .arrow {
  position: absolute; top: 26px; right: 26px; width: 34px; height: 34px; border-radius: 50%;
  background: rgba(255, 255, 255, .9); display: grid; place-items: center; color: var(--ink);
  opacity: 0; transform: translateY(6px); transition: .3s var(--ease);
}
.cat-card:hover .arrow { opacity: 1; transform: none; background: var(--brand); color: #fff; }

/* --------------------------------- 产品卡片 ----------------------------- */

.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.prod-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden; transition: .35s var(--ease); position: relative;
}
.prod-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.prod-media { aspect-ratio: 1 / 1; background: #f4f6f9; overflow: hidden; position: relative; }
.prod-media img { width: 100%; height: 100%; object-fit: cover; transition: .7s var(--ease); }
.prod-card:hover .prod-media img { transform: scale(1.07); }
.prod-badge {
  position: absolute; top: 14px; left: 14px; background: rgba(8, 25, 43, .82); color: #fff;
  font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 3px; letter-spacing: .04em; backdrop-filter: blur(4px);
}
.prod-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.prod-cat { font-size: 11px; font-weight: 700; letter-spacing: .12em; color: var(--brand); text-transform: uppercase; }
.prod-body h3 { font-size: 16px; margin-top: 9px; line-height: 1.5; min-height: 48px; }
.prod-body h3 a { transition: color .2s; }
.prod-card:hover h3 a { color: var(--brand); }
.prod-body .sum { font-size: 13px; color: var(--muted); margin-top: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 44px; }
.prod-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); }
.prod-price { font-size: 20px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.prod-price small { font-size: 12px; font-weight: 500; color: var(--light); margin-left: 4px; }
.prod-price.is-ask { font-size: 14px; font-weight: 600; color: var(--brand); }
.prod-link { font-size: 13px; font-weight: 600; color: var(--ink); display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; flex: 0 0 auto; }
.prod-link svg { width: 14px; height: 14px; }
.prod-card:hover .prod-link { color: var(--brand); }

/* --------------------------------- 优势区块 ----------------------------- */

.adv { position: relative; background: var(--navy); color: #c6d4e2; overflow: hidden; }
.adv::before {
  content: ""; position: absolute; right: -10%; top: -30%; width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 26, .16), transparent 62%);
}
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255, 255, 255, .08); border-radius: var(--radius-lg); overflow: hidden; position: relative; }
.adv-item { background: var(--navy); padding: 38px 32px; transition: .35s var(--ease); }
.adv-item:hover { background: var(--navy-2); }
.adv-item .num { font-size: 12px; font-weight: 700; color: rgba(255, 255, 255, .28); letter-spacing: .18em; }
.adv-item .ico { width: 46px; height: 46px; color: var(--brand); margin: 22px 0 20px; }
.adv-item .ico svg { width: 100%; height: 100%; }
.adv-item h3 { color: #fff; font-size: 18px; }
.adv-item p { font-size: 13.5px; color: #90a4b8; margin-top: 12px; line-height: 1.8; }

/* --------------------------------- 图文分栏 ----------------------------- */

.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 72px; align-items: center; }
.split-media { position: relative; }
.split-media img { width: 100%; border-radius: var(--radius-lg); object-fit: cover; }
.split-media .badge {
  position: absolute; right: -18px; bottom: -18px; background: var(--brand); color: #fff;
  padding: 22px 26px; border-radius: 10px; box-shadow: 0 16px 40px rgba(255, 106, 26, .32);
}
.split-media .badge .n { font-size: 30px; font-weight: 800; line-height: 1; }
.split-media .badge .t { font-size: 12px; margin-top: 6px; opacity: .9; letter-spacing: .06em; }
.split-body h2 { font-size: 36px; white-space: pre-line; margin-top: 14px; }
.split-body .text { margin-top: 22px; color: var(--muted); font-size: 15px; line-height: 1.95; }
.split-body .text p + p { margin-top: 14px; }
.split-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 34px; padding-top: 30px; border-top: 1px solid var(--line); }
.split-stats .v { font-size: 26px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.split-stats .l { font-size: 12px; color: var(--muted); margin-top: 2px; }
.split-body .btn { margin-top: 34px; }

/* --------------------------------- 新闻 -------------------------------- */

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: .35s var(--ease); }
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.news-media { aspect-ratio: 16 / 10; overflow: hidden; background: #f2f4f7; }
.news-media img { width: 100%; height: 100%; object-fit: cover; transition: .7s var(--ease); }
.news-card:hover .news-media img { transform: scale(1.05); }
.news-body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--light); }
.news-meta .tag { color: var(--brand); font-weight: 700; letter-spacing: .08em; }
.news-body h3 { font-size: 18px; margin-top: 12px; line-height: 1.55; }
.news-body p { font-size: 13.5px; color: var(--muted); margin-top: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body .link-more { margin-top: 20px; font-size: 13px; align-self: flex-start; }

/* --------------------------------- CTA 表单 ----------------------------- */

.cta { position: relative; overflow: hidden; background: var(--navy); }
.cta-bg { position: absolute; inset: 0; }
.cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6, 20, 34, .95) 0%, rgba(6, 20, 34, .82) 50%, rgba(6, 20, 34, .55) 100%); }
.cta-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 460px; gap: 80px; padding: 92px 0; align-items: center; }
.cta-text h2 { color: #fff; font-size: 40px; line-height: 1.24; white-space: pre-line; }
.cta-text p { color: #9fb2c6; margin-top: 18px; font-size: 15px; max-width: 460px; }
.cta-points { margin-top: 30px; display: flex; gap: 26px; flex-wrap: wrap; }
.cta-links { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.cta-links .btn--ghost { border-color: rgba(255, 255, 255, .34); color: #fff; background: rgba(255, 255, 255, .04); }
.cta-links .btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .6); }
.cta-points span { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: #cfdae6; }
.cta-points svg { width: 16px; height: 16px; color: var(--brand); }

.form-card { background: #fff; border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-lg); }
.form-card h3 { font-size: 20px; }
.form-card .hint { font-size: 13px; color: var(--muted); margin-top: 6px; }
.form { display: grid; gap: 14px; margin-top: 22px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 12.5px; font-weight: 600; color: var(--ink); letter-spacing: .02em; }
.field label i { color: var(--brand); font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; height: 46px; padding: 0 14px; border: 1px solid var(--line); border-radius: 4px;
  background: #fbfcfd; transition: .2s; font-size: 14px;
}
.field textarea { height: auto; min-height: 96px; padding: 12px 14px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(255, 106, 26, .12);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-note { font-size: 12px; color: var(--light); }
.form-msg { font-size: 13px; padding: 10px 14px; border-radius: 4px; display: none; }
.form-msg.is-ok { display: block; background: #eafaf1; color: #147a4a; }
.form-msg.is-err { display: block; background: #fdecec; color: #b42318; }

/* --------------------------------- 页脚 -------------------------------- */

.site-footer { background: #061420; color: #8ba0b4; padding: 76px 0 0; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 48px; padding-bottom: 56px; }
.footer-brand .logo-cn { color: #fff; }
.footer-brand p { margin-top: 18px; color: #7b8fa3; font-size: 13.5px; line-height: 1.9; max-width: 320px; }
.footer-social { display: flex; gap: 10px; margin-top: 22px; }
.footer-social a { width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; display: grid; place-items: center; transition: .25s; }
.footer-social a:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
.footer-social svg { width: 16px; height: 16px; }
.footer-col h4 { color: #fff; font-size: 14px; letter-spacing: .04em; margin-bottom: 20px; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { transition: .2s; }
.footer-col a:hover { color: var(--brand); }
.footer-contact li { display: flex; gap: 12px; margin-bottom: 16px; line-height: 1.7; }
.footer-contact svg { width: 16px; height: 16px; color: var(--brand); flex: 0 0 auto; margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0; display: flex;
  justify-content: space-between; gap: 18px; font-size: 12.5px; color: #64788c; flex-wrap: wrap;
}
.footer-bottom a:hover { color: #fff; }

/* --------------------------------- 内页头 ------------------------------- */

.page-hero { position: relative; padding: calc(var(--header-h) + 78px) 0 78px; background: var(--navy); overflow: hidden; }
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(900px 300px at 80% 0%, rgba(255, 106, 26, .18), transparent 70%);
}
.page-hero-inner { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: 44px; letter-spacing: -.02em; }
.page-hero p { color: #9db1c5; margin-top: 14px; max-width: 620px; font-size: 15px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: #7e93a8; margin-bottom: 20px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb svg { width: 12px; height: 12px; opacity: .6; }

/* --------------------------------- 产品页 ------------------------------- */

.filter-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 38px; }
.chip {
  height: 40px; padding: 0 18px; border: 1px solid var(--line); background: #fff; border-radius: 999px;
  font-size: 13.5px; font-weight: 500; color: var(--text); transition: .25s var(--ease); display: inline-flex; align-items: center;
}
.chip:hover { border-color: var(--ink); }
.chip.is-on { background: var(--ink); border-color: var(--ink); color: #fff; }
.filter-count { margin-left: auto; font-size: 13px; color: var(--muted); }
.empty { padding: 80px 0; text-align: center; color: var(--muted); }

/* 产品详情 */
.pd { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: start; }
.pd-media { background: #f5f7fa; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); }
.pd-media > img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.pd-thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; padding: 0 12px 12px; }
.pd-thumbs img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 6px; border: 2px solid transparent; cursor: pointer; transition: .2s; background: #fff; }
.pd-thumbs img:hover { opacity: .82; }
.pd-thumbs img.is-on { border-color: var(--brand); }
.pd-cat { font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--brand); text-transform: uppercase; }
.pd h1 { font-size: 34px; margin-top: 12px; line-height: 1.35; }
.pd-sum { color: var(--muted); margin-top: 16px; font-size: 15px; line-height: 1.9; }
.pd-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }
.pd-tags span { font-size: 12px; padding: 4px 10px; background: var(--bg); border: 1px solid var(--line); border-radius: 3px; color: var(--muted); }
.pd-price-box { display: flex; align-items: baseline; gap: 14px; margin: 26px 0; padding: 22px 24px; background: var(--bg); border-radius: 8px; }
.pd-price-box .price { font-size: 32px; font-weight: 800; color: var(--brand); letter-spacing: -.02em; }
.pd-price-box .note { font-size: 13px; color: var(--muted); }
.pd-price-box .moq { margin-left: auto; font-size: 13px; color: var(--muted); }
.pd-price-box .moq b { color: var(--ink); }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.pd-body { padding-top: 64px; }
.pd-body h2 { font-size: 22px; margin-bottom: 18px; }
.pd-body .para { color: var(--muted); line-height: 1.95; }
.pd-body .para p + p { margin-top: 16px; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 8px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.spec-table tr:nth-child(odd) { background: #fafbfc; }
.spec-table td { padding: 14px 18px; font-size: 14px; border-bottom: 1px solid var(--line-2); vertical-align: top; }
.spec-table tr:last-child td { border-bottom: 0; }
/* 核心特性 */
.feat-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 20px; margin-top: 4px; }
.feat-item { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; line-height: 1.6; color: var(--ink); }
.feat-item svg { width: 17px; height: 17px; flex: 0 0 auto; color: var(--brand); margin-top: 3px; }
@media (max-width: 620px) { .feat-list { grid-template-columns: 1fr; } }
/* 可选型号 */
.model-box { margin-top: 6px; padding: 18px; border: 1px solid var(--line); border-radius: 10px; background: #fafbfc; }
.model-row { display: flex; flex-wrap: wrap; gap: 8px; }
.model-row + .model-row { margin-top: 10px; }
.model-chip { display: inline-block; padding: 5px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: 12.5px; font-weight: 500; color: var(--ink); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.model-hint { margin-top: 12px; font-size: 12.5px; color: var(--muted); line-height: 1.6; }
/* 1688 面板容器（放在详情与询价之间） */
.pd-panel-holder { margin-top: 48px; }
.spec-table td:first-child { width: 34%; color: var(--muted); font-weight: 600; }
.spec-table td:last-child { color: var(--ink); }

/* ------------------------------- 资料下载 ------------------------------- */

/* 详情页样册提醒卡 */
.pd-dl-card {
  margin-top: 30px; display: flex; gap: 16px; padding: 20px;
  border: 1px solid #f3d3bd; border-radius: 12px; background: linear-gradient(135deg, #fff8f2, #fffdfb);
}
.pd-dl-icon {
  width: 46px; height: 46px; flex: 0 0 auto; border-radius: 10px;
  display: grid; place-items: center; background: #fff; border: 1px solid #f0dccb; color: var(--brand);
}
.pd-dl-icon svg { width: 24px; height: 24px; }
.pd-dl-body { min-width: 0; }
.pd-dl-body h3 { margin: 0 0 6px; font-size: 15.5px; color: var(--ink); }
.pd-dl-body p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.66; }
.pd-dl-actions { margin-top: 14px; display: flex; gap: 10px; flex-wrap: wrap; }

/* 下载中心 · 说明区 */
.dl-intro {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 32px;
  padding: 30px 32px; border-radius: 14px; margin-bottom: 30px;
  background: linear-gradient(120deg, #0b2137, #16405f); color: #fff;
}
.dl-intro-text { min-width: 0; }
.dl-intro .eyebrow { color: #ffb489; }
.dl-intro .eyebrow::before { background: var(--brand); }
.dl-intro h2 { color: #fff; font-size: 25px; margin: 6px 0 10px; }
.dl-intro p { color: rgba(255, 255, 255, .78); font-size: 14px; line-height: 1.72; max-width: 720px; }
.dl-intro-badge { flex: 0 0 auto; text-align: center; padding-left: 28px; border-left: 1px solid rgba(255, 255, 255, .18); }
.dl-intro-badge .n { display: block; font-size: 38px; font-weight: 700; line-height: 1; color: var(--brand-2); }
.dl-intro-badge .l { display: block; margin-top: 7px; font-size: 12.5px; color: rgba(255, 255, 255, .7); }

/* 下载中心 · 卡片网格 */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dl-card {
  display: flex; flex-direction: column; padding: 24px;
  border: 1px solid var(--line); border-radius: 12px; background: #fff;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.dl-card:hover { border-color: #f0c9ae; box-shadow: 0 12px 30px rgba(11, 33, 55, .08); transform: translateY(-2px); }
.dl-card-top { display: flex; gap: 13px; align-items: flex-start; }
.dl-icon {
  width: 44px; height: 44px; flex: 0 0 auto; border-radius: 9px;
  display: grid; place-items: center; background: var(--brand-soft); color: var(--brand);
}
.dl-icon svg { width: 23px; height: 23px; }
.dl-icon--pdf { background: #ffeceb; color: #d93a2b; }
.dl-icon--xls, .dl-icon--xlsx { background: #e8f6ed; color: #1e7a44; }
.dl-icon--doc, .dl-icon--docx { background: #e9f0fb; color: #2456a8; }
.dl-icon--zip { background: #f3ecfb; color: #6b3fa0; }
.dl-icon--dwg, .dl-icon--dxf, .dl-icon--step, .dl-icon--stp { background: #e7f3f7; color: #14708c; }
.dl-icon--image { background: #fdf0e4; color: #b8792a; }
.dl-icon--video { background: #fdeaf0; color: #b8305a; }
.dl-meta { min-width: 0; }
.dl-type { font-size: 11px; font-weight: 700; letter-spacing: .6px; color: var(--muted); }
.dl-card h3 { font-size: 15.5px; margin: 5px 0 0; line-height: 1.45; }
.dl-desc { margin: 14px 0 0; font-size: 13.2px; color: var(--muted); line-height: 1.72; flex: 1; }
.dl-related { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.dl-related > span { font-size: 11.5px; color: var(--muted); }
.dl-rel {
  font-size: 11.5px; padding: 3px 9px; border-radius: 999px;
  background: #f2f6fa; color: var(--ink); border: 1px solid var(--line);
}
.dl-rel:hover { border-color: var(--brand); color: var(--brand); }
.dl-foot {
  margin-top: 18px; padding-top: 15px; border-top: 1px solid var(--line-2);
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.dl-size, .dl-count { font-size: 11.8px; color: var(--muted); }
.dl-foot .btn { margin-left: auto; }
.dl-foot .btn svg { width: 15px; height: 15px; margin-right: 6px; }
.dl-foot .btn.is-loading { opacity: .72; pointer-events: none; }
.dl-note { margin-top: 28px; font-size: 12.5px; color: var(--muted); line-height: 1.75; }

@media (max-width: 1024px) { .dl-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) {
  .dl-grid { grid-template-columns: 1fr; }
  .dl-intro { flex-direction: column; align-items: flex-start; gap: 20px; padding: 24px; }
  .dl-intro-badge { padding-left: 0; border-left: 0; text-align: left; }
  .pd-dl-card { flex-direction: column; gap: 12px; padding: 18px; }
}

/* --------------------------------- 文章页 ------------------------------- */

.article-wrap { max-width: 820px; margin: 0 auto; }
.article-head { margin-bottom: 34px; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.article-head .meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--light); margin-bottom: 14px; }
.article-head .tag { color: var(--brand); font-weight: 700; }
.article-head h1 { font-size: 34px; line-height: 1.4; }
.article-head .lead { font-size: 16px; color: var(--muted); margin-top: 16px; }
.article-body p { font-size: 16px; line-height: 2.05; color: #33465a; margin-bottom: 20px; }
.article-cover { width: 100%; border-radius: var(--radius-lg); margin: 30px 0 8px; }

/* --------------------------------- 关于页 ------------------------------- */

.timeline { position: relative; padding-left: 28px; margin-top: 10px; }
.timeline::before { content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 32px; }
.tl-item::before { content: ""; position: absolute; left: -28px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--brand); }
.tl-item .y { font-size: 13px; font-weight: 800; color: var(--brand); letter-spacing: .08em; }
.tl-item h4 { font-size: 17px; margin-top: 6px; }
.tl-item p { font-size: 14px; color: var(--muted); margin-top: 6px; }

.value-list { display: grid; gap: 18px; }
/* 工厂实景画廊 */
.factory-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.factory-item { position: relative; margin: 0; border-radius: var(--radius-lg); overflow: hidden; background: #eef1f5; border: 1px solid var(--line); }
.factory-item img { width: 100%; aspect-ratio: 10 / 6.4; object-fit: cover; display: block; transition: transform .5s ease; }
.factory-item:hover img { transform: scale(1.05); }
.factory-item figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 18px 14px; font-size: 13.5px; font-weight: 600; color: #fff; background: linear-gradient(to top, rgba(6,20,34,.86), rgba(6,20,34,0)); }
@media (max-width: 960px) { .factory-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .factory-grid { grid-template-columns: 1fr; } }
/* 定制流程步骤 */
.flow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.flow-step { position: relative; padding: 28px 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.flow-step .n { position: absolute; top: 16px; right: 20px; font-size: 26px; font-weight: 800; color: var(--brand); opacity: .14; letter-spacing: -.02em; }
.flow-step .ico { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; margin-bottom: 16px; }
.flow-step .ico svg { width: 22px; height: 22px; }
.flow-step h4 { font-size: 15.5px; margin-bottom: 8px; }
.flow-step p { font-size: 13px; color: var(--muted); line-height: 1.65; }
@media (max-width: 1100px) { .flow-steps { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .flow-steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .flow-steps { grid-template-columns: 1fr; } }
.value-item { display: flex; gap: 18px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.value-item .ico { width: 44px; height: 44px; border-radius: 10px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex: 0 0 auto; }
.value-item .ico svg { width: 22px; height: 22px; }
.value-item h4 { font-size: 16px; }
.value-item p { font-size: 13.5px; color: var(--muted); margin-top: 6px; line-height: 1.8; }

/* --------------------------------- 联系页 ------------------------------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-cards { display: grid; gap: 14px; }
/* 1688 平台服务评分 */
.score-box { margin-top: 18px; padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.score-box h4 { font-size: 15px; }
.score-box p { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.score-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 18px; }
.score-item { text-align: center; padding: 14px 8px; border-radius: 10px; background: var(--brand-soft); }
.score-item .v { font-size: 24px; font-weight: 800; color: var(--brand); line-height: 1.1; }
.score-item .l { font-size: 12px; color: var(--muted); margin-top: 5px; }
@media (max-width: 520px) { .score-grid { grid-template-columns: repeat(2, 1fr); } }
.contact-card { display: flex; gap: 16px; padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.contact-card .ico { width: 42px; height: 42px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex: 0 0 auto; }
.contact-card .ico svg { width: 20px; height: 20px; }
.contact-card .k { font-size: 12px; color: var(--light); letter-spacing: .06em; text-transform: uppercase; }
.contact-card .v { font-size: 16px; font-weight: 600; color: var(--ink); margin-top: 2px; word-break: break-all; }
.contact-card .v small { display: block; font-size: 13px; font-weight: 400; color: var(--muted); margin-top: 2px; }

.map-box { margin-top: 18px; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #eef3f8; position: relative; min-height: 220px; display: grid; place-items: center; }
.map-box .grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(14,42,69,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(14,42,69,.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.map-box .pin { position: relative; z-index: 2; text-align: center; }
.map-box .pin .dot { width: 14px; height: 14px; border-radius: 50%; background: var(--brand); margin: 0 auto 10px; box-shadow: 0 0 0 8px rgba(255,106,26,.16); }
.map-box .pin .txt { font-size: 13px; color: var(--muted); }
.map-box .pin a { color: var(--brand); font-weight: 600; font-size: 13px; }

/* --------------------------------- 1688 接入 ------------------------------ */

.btn--ali {
  background: linear-gradient(180deg, #ff7a1c, #ff5c00); color: #fff;
  box-shadow: 0 6px 18px rgba(255, 92, 0, .26); border: 0;
}
.btn--ali:hover { background: linear-gradient(180deg, #ff8a34, #f05000); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(255, 92, 0, .34); }
.ali-mark {
  display: inline-flex; align-items: center; justify-content: center; font-family: Arial, Helvetica, sans-serif;
  font-size: 10px; font-weight: 800; letter-spacing: .02em; background: rgba(255, 255, 255, .24);
  padding: 2px 6px; border-radius: 3px; margin-right: 7px; line-height: 1.4;
}
.btn--ali .ali-mark { margin-right: 6px; }

.prod-sales { font-size: 12px; font-weight: 600; color: var(--brand); white-space: nowrap; }
.prod-actions { display: flex; gap: 8px; margin-top: 14px; }
.prod-actions .btn { flex: 1; }

.cat-1688 {
  display: inline-flex; align-items: center; gap: 4px; margin-top: 14px; font-size: 12.5px;
  font-weight: 600; color: #ff5c00; transition: .2s;
}
.cat-1688:hover { color: #f05000; gap: 8px; }
.cat-1688 .ali-mark { background: rgba(255, 92, 0, .12); color: #ff5c00; }
.cat-card h3 a { transition: color .2s; }
.cat-card:hover h3 a { color: var(--brand); }

.ali-panel {
  border: 1px solid #ffd9bd; border-radius: var(--radius-lg); padding: 26px 28px; margin-top: 26px;
  background: linear-gradient(180deg, #fffdfb 0%, #fff7f0 100%);
}
.ali-panel h4 { font-size: 18px; display: flex; align-items: center; gap: 10px; }
.ali-panel h4 .ali-mark { background: #ff5c00; color: #fff; font-size: 11px; padding: 3px 7px; }
.ali-panel .desc { font-size: 13.5px; color: var(--muted); margin-top: 10px; line-height: 1.8; }
.ali-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 20px 0 4px; }
.ali-metrics .m { text-align: center; padding: 14px 8px; background: #fff; border: 1px solid #ffe3cd; border-radius: 8px; }
.ali-metrics .m .v { font-size: 19px; font-weight: 800; color: #ff5c00; letter-spacing: -.01em; }
.ali-metrics .m .l { font-size: 11.5px; color: var(--muted); margin-top: 3px; }
.ali-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.ali-note { font-size: 12.5px; color: var(--muted); margin-top: 14px; }

.pd .buy-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.pd .buy-row .btn--ali { flex: 1; min-width: 170px; }

/* --------------------------------- 组件 --------------------------------- */

.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translate(-50%, 20px); z-index: 999;
  background: var(--ink); color: #fff; padding: 14px 26px; border-radius: 999px; font-size: 14px;
  opacity: 0; pointer-events: none; transition: .35s var(--ease); box-shadow: var(--shadow-lg);
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

.skeleton { background: linear-gradient(90deg, #f0f3f7 25%, #f7f9fc 37%, #f0f3f7 63%); background-size: 400% 100%; animation: sk 1.3s ease infinite; border-radius: 6px; }
@keyframes sk { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

.mobile-only { display: none; }

/* 移动端抽屉 */
.drawer { position: fixed; inset: 0; z-index: 200; display: none; }
.drawer.is-open { display: block; }
.drawer-mask { position: absolute; inset: 0; background: rgba(6, 20, 34, .55); }
.drawer-panel {
  position: absolute; right: 0; top: 0; bottom: 0; width: 82%; max-width: 340px; background: #fff;
  padding: 24px; display: flex; flex-direction: column; animation: slideIn .3s var(--ease);
}
@keyframes slideIn { from { transform: translateX(100%); } }
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; }
.drawer-nav a { display: block; padding: 15px 4px; font-size: 16px; font-weight: 600; border-bottom: 1px solid var(--line-2); }
.drawer-foot { margin-top: auto; display: grid; gap: 12px; }

/* --------------------------------- 响应式 ------------------------------- */

@media (max-width: 1180px) {
  .cat-grid, .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { grid-template-columns: 1fr 400px; gap: 48px; }
  .sec-head h2, .split-body h2 { font-size: 32px; }
  .hero h1 { font-size: 52px; }
}

@media (max-width: 960px) {
  .nav, .header-phone { display: none; }
  .hero-scroll { display: none; }
  .burger { display: block; }
  .header-actions { gap: 10px; }
  .section { padding: 68px 0; }
  .hero { min-height: 620px; }
  .hero h1 { font-size: 40px; }
  .hero-sub { font-size: 15.5px; }
  .hero-meta { gap: 30px; margin-top: 44px; }
  .hero-strip { margin-top: 0; }
  .hero-strip-inner { grid-template-columns: 1fr 1fr; border-radius: 0; box-shadow: none; }
  .strip-item { border-bottom: 1px solid var(--line-2); }
  .strip-item:nth-child(2n) { border-right: 0; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split-media .badge { right: 14px; bottom: -14px; padding: 16px 20px; }
  .cta-inner { grid-template-columns: 1fr; padding: 64px 0; gap: 36px; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .pd { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .page-hero h1 { font-size: 34px; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .mobile-only { display: block; }
}

@media (max-width: 720px) {
  .container { padding: 0 18px; }
  .header-actions .btn--primary { display: none; }
  .lang-switch button { padding: 4px 9px; font-size: 11px; }
  .logo-mark { width: 34px; height: 34px; }
  .logo-cn { font-size: 15px; }
  .logo-en { font-size: 9px; letter-spacing: .18em; }
  .header-inner { gap: 10px; }
  .burger { width: 38px; height: 38px; }
  .hero h1 { font-size: 32px; }
  .hero-meta .k { font-size: 24px; }
  .cat-grid, .prod-grid, .news-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .cat-card { padding: 16px; }
  .cat-card p { display: none; }
  .cat-card .arrow { display: none; }
  .prod-body { padding: 14px 16px 18px; }
  .prod-body h3 { font-size: 14px; min-height: 42px; }
  .prod-body .sum { display: none; }
  .adv-grid { grid-template-columns: 1fr; }
  .split-stats { grid-template-columns: 1fr 1fr; gap: 20px; }
  .cta-text h2 { font-size: 28px; }
  .form-card { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .section { padding: 54px 0; }
  .sec-head h2, .split-body h2 { font-size: 26px; }
  .article-head h1 { font-size: 26px; }
  .page-hero { padding: calc(var(--header-h) + 50px) 0 50px; }
  .pd h1 { font-size: 26px; }
  .pd-price-box { flex-wrap: wrap; gap: 8px 14px; }
  .pd-price-box .moq { margin-left: 0; }
  .hero-strip-inner { grid-template-columns: 1fr; }
  .strip-item { border-right: 0; }
  .footer-bottom { flex-direction: column; }
  .ali-metrics { grid-template-columns: 1fr 1fr; }
  .ali-panel { padding: 20px 18px; }
}