/* Jinmao Biotech — 俄语企业官网样式
   主色取自 LOGO：绿 #6FBE45 / 蓝 #1E9BD7 / 深蓝 #143F75 */
:root {
  --green: #6FBE45;
  --green-dark: #4E9B2F;
  --blue: #1E9BD7;
  --navy: #143F75;
  --ink: #243244;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f5f8fa;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(20, 63, 117, .08);
  --container: 1160px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "PT Sans", Arial, "Helvetica Neue", sans-serif;
  color: var(--ink); background: var(--bg);
  font-size: 16px; line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.25; color: var(--navy); }
h1 { font-size: 2rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.15rem; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 16px; }
.section { padding: 56px 0; }
.section-soft { background: var(--bg-soft); }
/* 带品牌色倾向的浅底：用于与相邻 .section-soft 栏目做区分 */
.section-tint { background: linear-gradient(180deg, #f2f9ee 0%, #eef6f4 100%); }
.section-head { max-width: 720px; margin: 0 auto 36px; text-align: center; }
.section-head p { color: var(--muted); margin-top: 10px; }
.eyebrow {
  display: inline-block; color: var(--green-dark); font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; margin-bottom: 8px;
}

/* ---------- 顶栏 + 导航 ---------- */
.topbar { background: var(--navy); color: #cfe3f5; font-size: .85rem; }
.topbar .container { display: flex; justify-content: space-between; gap: 16px; padding: 8px 16px; flex-wrap: wrap; }
.topbar a { color: #fff; }
.header { position: sticky; top: 0; z-index: 50; background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.06); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 44px; width: auto; }
.nav { display: flex; gap: 4px; align-items: center; }
.nav a {
  color: var(--ink); font-weight: 600; padding: 10px 14px; border-radius: 8px; font-size: .95rem;
}
.nav a:hover { background: var(--bg-soft); text-decoration: none; }
.nav a.active { color: var(--green-dark); background: #eef7e9; }
.nav .nav-cta { background: var(--green); color: #fff !important; margin-left: 8px; }
.nav .nav-cta:hover { background: var(--green-dark); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 10px; }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: .2s; }

/* ---------- Banner 轮播广告位 ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.banner { position: relative; overflow: hidden; background: #0e2f57; }
.banner-track { position: relative; width: 100%; aspect-ratio: 1920 / 650; max-height: 620px; }
.banner-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .55s ease; pointer-events: none; }
.banner-slide.is-active { opacity: 1; pointer-events: auto; }
.banner-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.banner-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(12,32,58,.42); color: #fff; font-size: 26px; line-height: 1;
  display: flex; align-items: center; justify-content: center; transition: .15s;
}
.banner-arrow:hover { background: rgba(12,32,58,.75); }
.banner-arrow.prev { left: 18px; }
.banner-arrow.next { right: 18px; }
.banner-dots {
  position: absolute; bottom: 14px; left: 0; right: 0; z-index: 3;
  display: flex; justify-content: center; gap: 9px;
}
.banner-dot {
  width: 11px; height: 11px; border-radius: 6px; border: 0; padding: 0; cursor: pointer;
  background: rgba(255,255,255,.5); transition: .2s;
}
.banner-dot.is-active { background: #fff; width: 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 10px; font-weight: 700;
  font-size: .98rem; border: 0; cursor: pointer; transition: .15s;
}
.btn-primary { background: var(--green); color: #fff !important; }
.btn-primary:hover { background: var(--green-dark); text-decoration: none; }
.btn-outline { background: transparent; color: #fff !important; border: 2px solid rgba(255,255,255,.65); }
.btn-outline:hover { background: rgba(255,255,255,.12); text-decoration: none; }
.btn-navy { background: var(--navy); color: #fff !important; }
.btn-navy:hover { background: #0e2f57; text-decoration: none; }

/* ---------- 数据条：品牌深蓝横带式（数字滚动动画） ---------- */
.stats { background: linear-gradient(135deg, #123868, #143F75); padding: 40px 0; position: relative; z-index: 2; }
.stats-about { margin-top: 8px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card { text-align: center; padding: 6px 12px; }
.stat-card::before { content: none; }
.stat-num {
  color: #fff; font-size: 2.3rem; font-weight: 800; line-height: 1.15; letter-spacing: -.01em;
  background: none; -webkit-text-fill-color: #fff;
  font-variant-numeric: tabular-nums;
}
.stat-label { display: block; margin-top: 6px; color: #c6d8ef; font-size: .87rem; }
@media (prefers-reduced-motion: reduce) {
  .stat-num { transition: none !important; }
}

/* 产品线：左右交替大行 */
.section-lines .lines { display: grid; gap: 26px; }
.line-row {
  display: grid; grid-template-columns: .78fr 1.22fr; gap: 0; align-items: stretch;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  transition: box-shadow .2s ease, transform .2s ease;
}
.line-row:hover { box-shadow: 0 18px 44px rgba(20,63,117,.1); transform: translateY(-2px); }
.line-row.rev .line-media { order: 2; }
.line-row.rev .line-body { order: 1; }
.line-media {
  position: relative; padding: 34px 30px; display: flex; flex-direction: column; gap: 16px;
  background: linear-gradient(150deg, #f2f8f4, #eaf3fb) center/cover no-repeat;
  border-right: 1px solid var(--line);
}
/* 有底图时：图片按预裁比例完整展示 + 白色半透明罩（图片呈半透明状态） */
.line-media.has-img {
  background-size: cover; background-position: center; min-height: 320px;
  justify-content: flex-end;
}
.line-media.has-img::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.58) 0%, rgba(255,255,255,.46) 55%, rgba(255,255,255,.66) 100%);
}
.line-media.has-img .cat-icon { position: relative; z-index: 1; background: rgba(255,255,255,.96); box-shadow: 0 4px 14px rgba(11,37,66,.14); }
.line-media.has-img .line-num { color: rgba(20,63,117,.16); z-index: 1; }
.line-media.has-img .line-tags { position: relative; z-index: 1; }
.line-media.has-img .tag {
  background: rgba(255,255,255,.92); border-color: transparent;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.line-row.rev .line-media { border-right: 0; border-left: 1px solid var(--line); }
.line-num {
  position: absolute; top: 18px; right: 22px; font-size: 2.6rem; font-weight: 800;
  color: rgba(20,63,117,.09); line-height: 1;
}
.line-media .cat-icon { width: 64px; height: 64px; border-radius: 18px; margin: 0; }
.line-tags { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.line-tags .tag {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 7px 11px; font-size: .82rem; color: var(--ink);
}
.line-body { padding: 34px 34px 32px; display: flex; flex-direction: column; }
.line-body h3 { font-size: 1.35rem; margin-bottom: 10px; }
.line-body > p { color: var(--muted); font-size: .95rem; }
.line-list { list-style: none; margin: 18px 0 22px; display: grid; gap: 9px; }
.line-list li { position: relative; padding-left: 26px; font-size: .91rem; }
.line-list li::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 14px; height: 14px;
  border-radius: 50%; background: #e9f6e2;
  box-shadow: inset 0 0 0 2px var(--green);
}
.btn-link {
  margin-top: auto; align-self: flex-start; display: inline-flex; align-items: center; gap: 7px;
  font-weight: 700; color: var(--green-dark); font-size: .95rem;
}
.btn-link:hover { text-decoration: none; gap: 11px; }
.btn-link .arr { transition: transform .18s ease; }

/* 优势：左文案 + 右列表 */
.adv-split { display: grid; grid-template-columns: .84fr 1.16fr; gap: 44px; align-items: start; }
.adv-copy { position: sticky; top: 96px; }
.adv-copy h2 { margin: 8px 0 14px; font-size: 1.75rem; }
.adv-copy p { color: var(--muted); margin-bottom: 24px; }
.adv-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.adv-list li { display: flex; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px 18px; }
.ai-icon {
  flex: 0 0 42px; width: 42px; height: 42px; border-radius: 12px; background: #f1f7fc;
  display: flex; align-items: center; justify-content: center; font-size: 1.15rem;
}
.ai-text h4 { color: var(--navy); font-size: .98rem; margin-bottom: 5px; }
.ai-text p { color: var(--muted); font-size: .85rem; line-height: 1.55; }

/* 合作流程时间轴 */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: st; }
.step { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px 20px; position: relative; }
.step::after {
  content: ""; position: absolute; top: 42px; right: -18px; width: 18px; height: 2px; background: var(--line);
}
.step:last-child::after { display: none; }
.step-num {
  display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px;
  border-radius: 11px; background: linear-gradient(135deg, var(--green), var(--blue)); color: #fff;
  font-weight: 800; font-size: .92rem; margin-bottom: 14px;
}
.step h3 { font-size: 1rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .86rem; }

/* ---------- 卡片栅格 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; transition: .15s;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card .icon { font-size: 2rem; margin-bottom: 12px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .93rem; }

/* 分类 UI 图标（用于首页产品线 / 后台可替换） */
.cat-icon {
  width: 58px; height: 58px; border-radius: 16px; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
}
.cat-icon.v0 { background: #e9f6e2; color: var(--green-dark); }
.cat-icon.v1 { background: #e2f2fb; color: var(--blue); }
.cat-icon.v2 { background: #e6ecf7; color: var(--navy); }

/* 证书 */
.certs-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.cert {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  text-align: center; padding: 18px 10px;
}
.cert b { display: block; color: var(--navy); font-size: 1.05rem; }
.cert span { font-size: .76rem; color: var(--muted); display: block; margin-top: 4px; }

/* CTA 条 */
.blog-all { text-align: center; margin-top: 30px; }
/* ---------- 认证资质墙（优势区上方） ---------- */
.certs-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.cert-item {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 22px 14px 20px; text-align: center;
  transition: box-shadow .2s ease, transform .2s ease;
}
.cert-item:hover { box-shadow: 0 12px 28px rgba(20,63,117,.1); transform: translateY(-3px); }
.ci-badge {
  width: 38px; height: 38px; border-radius: 50%; background: #e9f6e2;
  color: var(--green-dark); font-weight: 800; font-size: .95rem;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 12px;
}
.cert-item b { display: block; color: var(--navy); font-size: 1.02rem; margin-bottom: 6px; }
.cert-item span { display: block; color: var(--muted); font-size: .8rem; line-height: 1.45; }

/* ---------- 客户合作感言（博客上方） ---------- */
.tstm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tstm {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 24px 22px; box-shadow: var(--shadow);
}
.tstm::before {
  content: "\201C"; position: absolute; top: 2px; right: 20px;
  font-family: Georgia, serif; font-size: 4.4rem; line-height: 1;
  color: #ddefdb; pointer-events: none;
}
.tstm .stars { color: #f5a623; letter-spacing: 2px; font-size: .9rem; margin-bottom: 10px; }
.tstm p { color: var(--ink); font-size: .93rem; line-height: 1.6; flex: 1; }
.tstm .who { margin-top: 16px; display: flex; align-items: center; gap: 12px; }
.tstm .ava {
  width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--green), var(--blue)); color: #fff;
  font-weight: 800; font-size: 1.05rem;
  display: flex; align-items: center; justify-content: center;
}
.tstm .who b { display: block; font-size: .92rem; color: var(--navy); }
.tstm .who span { display: block; font-size: .78rem; color: var(--muted); }
/* 动态效果：进入视口交错上浮 + 悬停浮起（无 JS 环境直接可见） */
html.js .tstm {
  opacity: 0; transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease, box-shadow .25s ease;
}
html.js .tstm:nth-child(2) { transition-delay: .14s; }
html.js .tstm:nth-child(3) { transition-delay: .28s; }
html.js .tstm.in-view { opacity: 1; transform: translateY(0); }
html.js .tstm.in-view:hover { transform: translateY(-7px); transition-delay: 0s; }
.tstm { transition: box-shadow .25s ease; }
.tstm:hover { box-shadow: 0 18px 42px rgba(20, 63, 117, .15); }
.tstm .ava { transition: transform .3s ease; }
.tstm:hover .ava { transform: scale(1.1) rotate(-5deg); }
.tstm::before { transition: color .3s ease; }
.tstm:hover::before { color: var(--green); }
@media (prefers-reduced-motion: reduce) {
  html.js .tstm { opacity: 1; transform: none; transition: none; }
}

/* ---------- OEM 询盘卡（底部 CTA 统一组件） ---------- */
.cta-sec { padding-bottom: 62px; }
.cta-card {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1.4fr .9fr; gap: 36px; align-items: center;
  background: linear-gradient(128deg, #123868 0%, #16437c 58%, #1b5a97 100%);
  border-radius: 22px; padding: 46px 50px;
  box-shadow: 0 24px 52px rgba(18, 56, 104, .26);
}
.cta-card::before {
  content: ""; position: absolute; top: -130px; right: -70px; width: 340px; height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111,190,69,.38), transparent 66%);
}
.cta-card::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(95% 130% at 88% 0%, #000, transparent 72%);
  mask-image: radial-gradient(95% 130% at 88% 0%, #000, transparent 72%);
  pointer-events: none;
}
.cta-main { position: relative; z-index: 1; }
.cta-eyebrow {
  display: inline-block; color: #8fd46a; font-weight: 800;
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 12px;
}
.cta-main h2 { color: #fff; font-size: 1.62rem; margin-bottom: 10px; }
.cta-main p { color: #c9dcf0; max-width: 540px; margin-bottom: 22px; }
.cta-chips {
  position: relative; z-index: 1; list-style: none;
  display: grid; gap: 10px; margin: 0;
}
.cta-chips li {
  position: relative; padding: 12px 16px 12px 44px;
  background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px; color: #fff; font-size: .9rem; font-weight: 600;
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
}
.cta-chips li::before {
  content: "✓"; position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  width: 19px; height: 19px; border-radius: 50%; background: var(--green);
  color: #fff; font-size: .68rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
/* 通栏变体：全宽色带（两侧不留白、无圆角投影），内容仍走 container 栅格 */
.cta-flat {
  position: relative; overflow: hidden;
  background: linear-gradient(128deg, #123868 0%, #16437c 58%, #1b5a97 100%);
  padding: 52px 0;
}
.cta-flat .cta-card { background: none; box-shadow: none; border-radius: 0; padding: 0; grid-template-columns: 1.5fr .9fr; }
.cta-flat::before {
  content: ""; position: absolute; top: -160px; right: -60px; width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111,190,69,.32), transparent 66%);
}
.cta-flat::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(95% 130% at 88% 0%, #000, transparent 72%);
  mask-image: radial-gradient(95% 130% at 88% 0%, #000, transparent 72%);
  pointer-events: none;
}
.cta-flat .container { position: relative; z-index: 1; }

/* ---------- 产品页 ---------- */
/* ---------- 内页页头 ---------- */
.page-head { max-width: 880px; padding: 28px 0 22px; }
.page-head h1 { margin-bottom: 12px; }
.page-head p { color: var(--muted); font-size: 1.04rem; }

/* ---------- 分类锚点导航 ---------- */
.catnav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 42px; }
.catnav-item {
  display: flex; align-items: center; gap: 14px; background: #fff;
  border: 1px solid var(--line); border-radius: 16px; padding: 15px 18px;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.catnav-item:hover { border-color: transparent; box-shadow: 0 14px 34px rgba(20,63,117,.1); transform: translateY(-2px); text-decoration: none; }
.catnav-ico, .cbh-ico {
  width: 46px; height: 46px; border-radius: 13px; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
}
.catnav-ico.v0, .cbh-ico.v0 { background: #eaf6e2; color: var(--green-dark); }
.catnav-ico.v1, .cbh-ico.v1 { background: #e2f2fb; color: var(--blue); }
.catnav-ico.v2, .cbh-ico.v2 { background: #e6ecf7; color: var(--navy); }
.catnav-txt { display: flex; flex-direction: column; gap: 2px; }
.catnav-txt b { color: var(--navy); font-size: .92rem; line-height: 1.25; }
.catnav-txt i { color: var(--muted); font-style: normal; font-size: .78rem; }

/* ---------- 分类板块 ---------- */
.cat-block { margin-bottom: 46px; scroll-margin-top: 90px; }
.cat-block-head {
  display: flex; align-items: center; justify-content: space-between; gap: 22px;
  padding-bottom: 18px; border-bottom: 2px solid var(--line); margin-bottom: 26px;
}
.cbh-left { display: flex; align-items: center; gap: 16px; }
.cbh-left h2 { font-size: 1.28rem; margin-bottom: 5px; }
.cbh-left p { color: var(--muted); font-size: .9rem; max-width: 680px; }
.cbh-cta { flex: 0 0 auto; }

/* ---------- 产品卡片 ---------- */
.pgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pcard {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  display: flex; flex-direction: column;
  transition: box-shadow .2s ease, transform .2s ease;
}
.pcard:hover { box-shadow: 0 18px 40px rgba(20,63,117,.11); transform: translateY(-3px); }
.pcard-media { position: relative; display: block; }
.pcard-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.pcard-media .ph-img { height: auto; aspect-ratio: 4 / 3; font-size: 2.1rem; }
.pcard-cat {
  position: absolute; left: 12px; bottom: 12px; max-width: calc(100% - 24px);
  background: rgba(20,63,117,.86); color: #fff; font-size: .72rem; line-height: 1.3;
  padding: 5px 11px; border-radius: 999px;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.pcard-body { padding: 18px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.pcard-body h3 { font-size: 1.04rem; margin-bottom: 8px; line-height: 1.35; }
.pcard-body h3 a { color: var(--navy); }
.pcard-desc { color: var(--muted); font-size: .89rem; margin-bottom: 14px; }
.pcard-specs { list-style: none; display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 16px; }
.pcard-specs li {
  background: var(--bg-soft); border-radius: 7px; padding: 5px 9px;
  font-size: .76rem; color: var(--navy); font-weight: 600;
}
.pcard-foot {
  margin-top: auto; display: flex; align-items: center; justify-content: space-between;
  gap: 10px; border-top: 1px solid var(--line); padding-top: 14px;
}
.pcard-foot .btn-link { font-size: .9rem; padding: 0; }
.pcard-ask { font-size: .8rem; color: var(--muted); border-bottom: 1px dashed var(--line); white-space: nowrap; }
.pcard-ask:hover { color: var(--green-dark); text-decoration: none; }

/* 幻灯片占位块（无产品图时的渐变卡） */
.ph-img {
  height: 150px; display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1.5rem; letter-spacing: .04em;
  background: linear-gradient(135deg, var(--blue), var(--green));
}
.ph-img.g2 { background: linear-gradient(135deg, var(--green), #2e8fb0); }
.ph-img.g3 { background: linear-gradient(135deg, var(--navy), var(--blue)); }

/* ---------- 产品详情页 ---------- */
.pd-hero { display: grid; grid-template-columns: 1fr 1.12fr; gap: 36px; padding: 24px 0 8px; align-items: start; }
.pd-media { position: relative; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); background: var(--bg-soft); }
.pd-media img { width: 100%; display: block; aspect-ratio: 1 / 1; object-fit: cover; }
.pd-ph {
  display: flex; align-items: center; justify-content: center;
  height: auto; aspect-ratio: 1 / 1; font-size: 3.2rem;
}
.pd-badge {
  position: absolute; left: 14px; top: 14px; background: rgba(20,63,117,.86); color: #fff;
  font-size: .74rem; padding: 6px 13px; border-radius: 999px;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.pd-info h1 { font-size: 1.72rem; margin: 6px 0 12px; }
.pd-lead { color: var(--muted); font-size: 1rem; margin-bottom: 20px; }
.pd-specs { width: 100%; border-collapse: collapse; margin-bottom: 22px; font-size: .89rem; }
.pd-specs th, .pd-specs td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.pd-specs th { color: var(--muted); font-weight: 600; width: 42%; }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.pd-note { font-size: .82rem; color: var(--muted); margin-top: 12px; }
.pd-section { padding-top: 32px; margin-top: 32px; border-top: 1px solid var(--line); }
.pd-section h2 { font-size: 1.24rem; margin-bottom: 16px; }
.pd-feats { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 26px; }
.pd-feats li { display: flex; gap: 10px; align-items: flex-start; font-size: .93rem; }
.tick {
  flex: 0 0 auto; width: 20px; height: 20px; border-radius: 50%; background: #eaf6e2;
  color: var(--green-dark); display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 800; margin-top: 2px;
}
.pd-appl { color: var(--muted); }
.prose p { margin-bottom: 16px; }
.prose h2 { font-size: 1.24rem; margin: 26px 0 12px; }
.prose ul { margin: 0 0 16px 20px; }
.prose li { margin-bottom: 8px; }

/* ---------- 博客文章页 ---------- */
.post { max-width: 880px; margin: 0 auto; padding: 20px 0 24px; }
.post-head { padding-bottom: 18px; }
.post-head h1 { font-size: 1.86rem; line-height: 1.25; }
.post-meta { display: flex; gap: 10px; color: var(--muted); font-size: .87rem; margin-top: 12px; }
.post-cover { margin: 4px 0 26px; border-radius: 18px; overflow: hidden; border: 1px solid var(--line); }
.post-cover img { width: 100%; display: block; }
.post-cta {
  margin-top: 36px; display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; background: var(--bg-soft); border: 1px solid var(--line);
  border-left: 4px solid var(--green); border-radius: 14px; padding: 20px 22px;
}
.post-cta b { display: block; color: var(--navy); margin-bottom: 4px; }
.post-cta span { color: var(--muted); font-size: .89rem; }
.post-rel { margin-top: 44px; padding-top: 30px; border-top: 1px solid var(--line); }
.post-rel h2 { font-size: 1.18rem; margin-bottom: 18px; }

/* ---------- 博客列表 ---------- */
.post-card { display: flex; flex-direction: column; }
.post-card .date { color: var(--muted); font-size: .82rem; margin-bottom: 8px; }
.post-card h3 a { color: var(--navy); }
.post-card .more { margin-top: auto; padding-top: 14px; font-weight: 700; color: var(--green-dark); }

/* ---------- 关于我们 ---------- */
.about-lead { font-size: 1.08rem; max-width: 820px; }
.value-card { border-top: 3px solid var(--blue); }
.timeline { border-left: 3px solid var(--line); margin-left: 8px; padding-left: 24px; }
.timeline li { list-style: none; position: relative; margin-bottom: 20px; }
.timeline li::before {
  content: ""; position: absolute; left: -31px; top: 7px; width: 11px; height: 11px;
  border-radius: 50%; background: var(--green);
}

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 28px; align-items: start; }
.info-card { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.info-card .icon {
  width: 44px; height: 44px; flex: 0 0 44px; border-radius: 10px; background: #eef7e9;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}
.info-card b { display: block; color: var(--navy); }
.info-card span, .info-card a { color: var(--muted); font-size: .93rem; word-break: break-word; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 6px; color: var(--navy); }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; font-size: .95rem; color: var(--ink); background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(30,155,215,.15);
}
.form-note { font-size: .78rem; color: var(--muted); margin-top: 10px; }
.form-status { margin-top: 12px; font-weight: 600; display: none; }
.form-status.ok { display: block; color: var(--green-dark); }
.form-status.err { display: block; color: #c0392b; }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy); color: #b9cde2; margin-top: 0; }
/* 以 .container 结尾的页面（产品/博客）补足底部间距 */
main > .container:last-child { padding-bottom: 56px; }
.footer a { color: #dcebf8; }
.footer .container { padding: 44px 16px 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 28px; }
.footer h4 { color: #fff; margin-bottom: 12px; font-size: .95rem; }
.footer ul { list-style: none; }
.footer li { margin-bottom: 8px; font-size: .9rem; }
.footer .copy { border-top: 1px solid rgba(255,255,255,.12); margin-top: 30px; padding-top: 18px; font-size: .82rem; text-align: center; }

/* 面包屑 */
.breadcrumbs { font-size: .82rem; color: var(--muted); padding: 14px 0 0; }
.breadcrumbs a { color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .banner-track { aspect-ratio: auto; height: 46vw; max-height: 420px; }
  .line-row, .line-row.rev { grid-template-columns: 1fr; }
  .line-row.rev .line-media { order: 0; border-left: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .line-media { border-right: 0; border-bottom: 1px solid var(--line); padding: 26px 24px; }
  .line-tags { flex-direction: row; flex-wrap: wrap; }
  .adv-split { grid-template-columns: 1fr; gap: 26px; }
  .cta-card { grid-template-columns: 1fr; gap: 24px; padding: 34px 26px; }
  .cta-main h2 { font-size: 1.4rem; }
  .adv-copy { position: static; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step:nth-child(2)::after { display: none; }
}
@media (max-width: 1024px) {
  .pgrid { grid-template-columns: repeat(2, 1fr); }
  .catnav { grid-template-columns: 1fr; }
  .pd-hero { grid-template-columns: 1fr; gap: 24px; }
  .pd-media { max-width: 460px; }
  .certs-wall { grid-template-columns: repeat(3, 1fr); }
  .tstm-grid { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  .grid-3, .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 10px 16px 18px; box-shadow: 0 12px 20px rgba(0,0,0,.1);
  }
  .nav.open { display: flex; }
  .nav a { padding: 13px 10px; }
  .nav .nav-cta { margin: 8px 0 0; text-align: center; }
  .nav-toggle { display: block; }
  .grid-3, .grid-2, .footer-grid, .stats-grid, .form-row { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-wall { grid-template-columns: repeat(2, 1fr); }
  .banner-track { height: 54vw; min-height: 185px; max-height: 250px; }
  .banner-slide img { object-position: left center; }
  .banner-arrow { display: none; }
  .banner-dots { bottom: 8px; }
  .section { padding: 40px 0; }
  .btn { width: 100%; text-align: center; }
  .btn-link { align-self: stretch; }
  .adv-list { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step::after { display: none; }
  .line-body { padding: 26px 24px; }
  .stat-num { font-size: 1.7rem; }
  /* 产品 / 博客新版式 */
  .pgrid { grid-template-columns: 1fr; }
  .catnav { grid-template-columns: 1fr; }
  .cat-block-head { flex-direction: column; align-items: flex-start; }
  .cbh-cta { width: 100%; }
  .pd-feats { grid-template-columns: 1fr; }
  .post-head h1 { font-size: 1.45rem; }
  .post-cta { flex-direction: column; align-items: flex-start; }
  .post-cta .btn { width: 100%; }
  h1 { font-size: 1.6rem; } h2 { font-size: 1.35rem; }
}