/* BlueRobotAI 共享设计系统 —— 提取自 deepseek改版.zip 设计稿（基线，Figma 定稿后替换） */
:root {
  --blue: #1677ff;
  --blue-hover: #1565e8;
  --dark: #101419;
  --dark2: #151b23;
  --text: #111820;
  --muted: #667085;
  --muted2: #667681;
  --border: #e4e7ec;
  --bg-light: #f7f9fb;
  --font: "Inter", sans-serif;
  --px: clamp(1.5rem, 5.56vw, 5rem);
  --section-py: clamp(4rem, 8vw, 6rem);
}

*,
*:before,
*:after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; overflow-x: clip; }
body { font-family: var(--font); color: var(--text); background: #fff; -webkit-font-smoothing: antialiased; overflow-x: clip; }
img { max-width: 100%; display: block; }
button { cursor: pointer; background: 0 0; border: none; font-family: inherit; }
a { color: inherit; text-decoration: none; }

/* ---------- 按钮 ---------- */
.btn-primary {
  background: var(--blue); color: #fff; letter-spacing: .5px; border-radius: 999px;
  align-items: center; gap: 8px; padding: 14px 28px; font-size: 14px; font-weight: 600;
  display: inline-flex; position: relative; overflow: hidden; box-shadow: 0 4px 20px #1677ff66;
  transition: background .2s, transform .15s, box-shadow .2s;
}
.btn-primary:hover { background: var(--blue-hover); box-shadow: 0 8px 32px #1677ff8c; }
.btn-outline {
  color: var(--blue); border: 1.5px solid #1677ff4d; border-radius: 999px; padding: 12px 24px;
  font-size: 15px; font-weight: 600; display: inline-flex; position: relative; overflow: hidden;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.btn-outline:hover { border-color: var(--blue); background: #1677ff0d; }
.btn-shimmer:after {
  content: ""; pointer-events: none; background: linear-gradient(90deg, #0000, #ffffff40, #0000);
  position: absolute; inset: 0; transform: translate(-120%) skew(-20deg);
}
.btn-shimmer:hover:after { animation: shimmer .65s forwards; }
@keyframes shimmer { to { transform: translate(220%) skew(-20deg); } }

/* ---------- 导航 ---------- */
.site-nav {
  z-index: 10; width: 100%; height: clamp(64px, 8vw, 88px); padding: 0 var(--px);
  display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0;
  background: rgba(16, 20, 25, .92); backdrop-filter: blur(12px);
}
.nav-logo { display: inline-flex; align-items: center; gap: 8px; }
.logo-text { color: #fff; font-weight: 700; letter-spacing: 1px; font-size: 15px; }
.nav-links { display: none; gap: 2.5rem; }
.nav-links a { color: #ffffffb3; padding: 4px 0; font-size: 14px; font-weight: 500; position: relative; transition: color .2s; }
.nav-links a:after { content: ""; background: var(--blue); width: 0; height: 1px; position: absolute; bottom: 0; left: 0; transition: width .3s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: #fff; }
.nav-links a:hover:after, .nav-links a[aria-current="page"]:after { width: 100%; }
.btn-contact {
  color: #fff; border: 1px solid #ffffff33; border-radius: 999px; padding: 10px 20px;
  font-size: 14px; font-weight: 600; position: relative; overflow: hidden; display: inline-flex;
}
.btn-contact:hover { border-color: var(--blue); }
.hamburger { display: flex; flex-direction: column; gap: 5px; padding: 8px; }
.hamburger span { width: 20px; height: 2px; background: #fff; display: block; }
.mobile-menu {
  position: absolute; top: clamp(64px, 8vw, 88px); left: 0; right: 0; z-index: 50;
  background: #0a0e14f7; display: flex; flex-direction: column; padding: 8px 0;
  opacity: 0; pointer-events: none; transform: translateY(-8px); transition: opacity .2s, transform .2s;
}
.mobile-menu.open { opacity: 1; pointer-events: all; transform: none; }
.mobile-menu a { color: #ffffffd9; border-bottom: 1px solid #ffffff1a; padding: 12px 24px; font-size: 15px; font-weight: 500; display: block; }
@media (min-width: 1024px) { .nav-links { display: flex; } .hamburger, .mobile-menu { display: none; } }

/* ---------- 区块 ---------- */
.section { padding: var(--section-py) var(--px); display: flex; flex-direction: column; align-items: center; gap: clamp(2.5rem, 5vw, 4rem); width: 100%; max-width: 1440px; margin-inline: auto; }
.section-tight { gap: clamp(1.75rem, 3vw, 2.5rem); }
.section-header { text-align: center; display: flex; flex-direction: column; align-items: center; gap: .75rem; width: 100%; }
.section-header h2 { font-size: clamp(1.5rem, 3vw, 1.75rem); font-weight: 700; letter-spacing: -.56px; line-height: 1.2; }
.section-desc { color: var(--muted2); font-size: clamp(.9375rem, 2vw, 1rem); line-height: 1.6; }
.eyebrow { letter-spacing: 1.56px; text-transform: uppercase; color: #fffc; font-size: 13px; font-weight: 600; display: block; }
.eyebrow-blue { color: var(--blue); }

/* ---------- Hero ---------- */
.hero { position: relative; width: 100%; height: clamp(580px, 85vh, 820px); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.slide-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity .7s; }
.slide-bg.active { opacity: 1; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(16,20,25,.88) 0%, rgba(16,20,25,.55) 55%, rgba(16,20,25,.3) 100%); }
.hero-content { position: relative; z-index: 2; text-align: center; padding: 0 var(--px); color: #fff; display: flex; flex-direction: column; align-items: center; gap: 1.25rem; }
.hero-title { font-size: clamp(2rem, 4.4vw, 3rem); font-weight: 700; letter-spacing: -.5px; line-height: 1.1; max-width: 780px; }
.hero-subtitle { font-size: clamp(1rem, 2vw, 1.125rem); line-height: 1.6; color: rgba(255,255,255,.82); max-width: 640px; }
.hero-controls { position: absolute; bottom: clamp(1.5rem, 3vw, 2.5rem); left: 0; right: 0; z-index: 3; display: flex; align-items: center; justify-content: center; gap: 1rem; }
.hero-progress { width: min(320px, 40vw); height: 3px; background: rgba(255,255,255,.25); border-radius: 99px; overflow: hidden; }
.hero-progress-fill { width: 100%; height: 100%; background: var(--blue); transform-origin: left; }
@keyframes progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.icon-btn { border: 1.5px solid rgba(255,255,255,.35); border-radius: 50%; width: 40px; height: 40px; color: #fff; font-size: 16px; display: grid; place-items: center; transition: border-color .15s, background .15s; }
.icon-btn:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.7); }

/* ---------- Subhero（内页头图） ---------- */
.subhero { position: relative; min-height: clamp(340px, 42vw, 460px); display: flex; align-items: center; color: #fff; overflow: hidden; isolation: isolate; }
.subhero .subhero-bg { position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center; }
.subhero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, rgba(16,20,25,.92) 0%, rgba(16,20,25,.7) 48%, rgba(16,20,25,.42) 100%); }
.subhero-inner { width: 100%; max-width: 1440px; margin-inline: auto; padding: clamp(3rem, 7vw, 5rem) var(--px); display: flex; flex-direction: column; align-items: center; text-align: center; }
.subhero h1 { font-size: clamp(2rem, 4.4vw, 3rem); font-weight: 700; letter-spacing: -.5px; line-height: 1.1; margin: 14px 0; }
.subhero .crumbs { font-size: 13px; color: rgba(255,255,255,.6); letter-spacing: .4px; }
.subhero .crumbs a:hover { color: #fff; }

/* ---------- 产品中心 ---------- */
.catalog { display: grid; grid-template-columns: 248px 1fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: start; width: 100%; }
@media (max-width: 900px) { .catalog { grid-template-columns: 1fr; } }
.cat-title { font-size: 1.0625rem; font-weight: 700; margin-bottom: 1rem; }
.cat-list { display: flex; flex-direction: column; gap: .5rem; }
@media (max-width: 900px) { .cat-list { flex-flow: row wrap; } }
.cat { border: 1px solid var(--border); border-radius: 12px; padding: .85rem 1rem; font-size: .9375rem; color: var(--muted); background: #fff; text-align: left; transition: border-color .2s, color .2s, box-shadow .2s; }
.cat:hover { border-color: var(--blue); color: var(--blue); }
.cat.active { border-color: var(--blue); color: var(--blue); font-weight: 600; box-shadow: inset 3px 0 0 var(--blue), 0 6px 20px rgba(22,119,255,.08); }
.results-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.results-count { font-size: .9375rem; color: var(--muted); }

/* ---------- 产品卡片 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; width: 100%; }
@media (max-width: 1100px) { .prod-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .prod-grid { grid-template-columns: 1fr; } }
.pcard { border: 1px solid var(--border); border-radius: 18px; overflow: hidden; background: #fff; display: flex; flex-direction: column; transition: transform .3s cubic-bezier(.16,1,.3,1), box-shadow .3s; }
.pcard:hover { transform: translateY(-6px); box-shadow: 0 22px 48px rgba(16,20,25,.12); }
.pcard-img { aspect-ratio: 16/11; overflow: hidden; background: var(--bg-light); }
.pcard-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.pcard:hover .pcard-img img { transform: scale(1.06); }
.pcard-body { padding: 1.5rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.pcard-body h3 { font-size: 1.0625rem; font-weight: 700; }
.pcard-body p { font-size: .875rem; color: var(--muted); line-height: 1.6; flex: 1; }
.pcard-foot { display: flex; align-items: center; justify-content: space-between; margin-top: .4rem; }
.pcard-link { display: inline-flex; align-items: center; gap: 6px; font-size: .875rem; font-weight: 600; color: var(--blue); }
.pcard-link svg { transition: transform .2s; }
.pcard:hover .pcard-link svg { transform: translateX(3px); }
.case-loc { font-size: .75rem; letter-spacing: 1px; text-transform: uppercase; color: var(--blue); font-weight: 600; }

/* ---------- 分页 ---------- */
.pager { display: flex; align-items: center; justify-content: center; gap: .5rem; margin-top: 1.5rem; }
.pg { min-width: 42px; height: 42px; padding: 0 .5rem; border-radius: 999px; border: 1px solid var(--border); display: grid; place-items: center; font-size: .9375rem; color: var(--text); background: #fff; }
.pg:hover { border-color: var(--blue); color: var(--blue); }
.pg.active { background: var(--text); color: #fff; border-color: var(--text); }

/* ---------- 详情页 ---------- */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 4vw, 3.5rem); width: 100%; align-items: start; }
@media (max-width: 900px) { .detail-grid { grid-template-columns: 1fr; } }
.detail-img { border-radius: 18px; overflow: hidden; background: var(--bg-light); aspect-ratio: 4/3; }
.detail-img img { width: 100%; height: 100%; object-fit: cover; }
.detail-info { display: flex; flex-direction: column; gap: 1rem; }
.detail-info h1 { font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 700; }
.detail-info p { color: var(--muted2); line-height: 1.7; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: .5rem; }
.spec-table td { border: 1px solid var(--border); padding: .75rem 1rem; font-size: .9375rem; }
.spec-table td:first-child { font-weight: 600; background: var(--bg-light); width: 40%; }

/* ---------- 询盘表单 ---------- */
.inquiry-form { width: 100%; max-width: 720px; display: flex; flex-direction: column; gap: 1rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; } }
.inquiry-form input, .inquiry-form textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 12px; padding: .9rem 1rem;
  font-size: .9375rem; font-family: inherit; background: #fff; color: var(--text);
}
.inquiry-form input:focus, .inquiry-form textarea:focus { outline: 2px solid var(--blue); outline-offset: 0; border-color: var(--blue); }
.inquiry-form textarea { min-height: 120px; resize: vertical; }
.form-msg { font-size: .875rem; color: var(--muted); min-height: 1.2em; }

/* ---------- FAQ ---------- */
.faq-wrap { width: 100%; max-width: 1040px; margin-inline: auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item { border: 1px solid var(--border); border-radius: 14px; background: #fff; overflow: hidden; }
.faq-item[open] { box-shadow: 0 10px 30px rgba(16,20,25,.06); border-color: #d6dde4; }
.faq-q { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 1.5rem; font-size: 1rem; font-weight: 600; cursor: pointer; list-style: none; }
.faq-q::-webkit-details-marker { display: none; }
.faq-ic { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--bg-light); display: grid; place-items: center; color: var(--blue); font-size: 18px; transition: transform .25s, background .2s; }
.faq-item[open] .faq-ic { transform: rotate(45deg); background: var(--blue); color: #fff; }
.faq-a { padding: 0 1.5rem 1.35rem; font-size: .9375rem; color: var(--muted); line-height: 1.7; }

/* ---------- 案例 / 合作伙伴 ---------- */
.cases-grid, .partners-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; width: 100%; }
@media (max-width: 1100px) { .cases-grid, .partners-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .cases-grid, .partners-grid { grid-template-columns: 1fr; } }
.case-card { border: 1px solid var(--border); border-radius: 18px; overflow: hidden; background: #fff; }
.case-img { position: relative; aspect-ratio: 7/5; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; }
.case-btn { position: absolute; inset: auto 0 0 0; background: linear-gradient(0deg, rgba(16,20,25,.85), transparent); color: #fff; padding: 1.25rem 1.25rem .75rem; font-size: .875rem; font-weight: 600; }
.case-info { padding: 1.25rem; display: flex; flex-direction: column; gap: .4rem; }
.case-title { font-weight: 600; line-height: 1.5; }
.partner-tile { display: grid; place-items: center; padding: 1.5rem; background: #fff; border-radius: 18px; }
.partner-logo { max-height: 48px; object-fit: contain; }

/* ---------- 解决方案列表 ---------- */
.solutions-list { width: 100%; max-width: 860px; display: flex; flex-direction: column; gap: .75rem; }
.sol-item {
  display: flex; align-items: center; gap: 1.25rem; text-align: left;
  border: 1px solid var(--border); border-radius: 14px; background: #fff;
  padding: 1.1rem 1.4rem; transition: border-color .2s, box-shadow .2s, transform .2s;
}
.sol-item:hover { border-color: var(--blue); box-shadow: 0 10px 28px rgba(22,119,255,.1); transform: translateY(-2px); }
.sol-accent { flex: none; width: 4px; align-self: stretch; border-radius: 99px; background: var(--blue); }
.sol-text { display: flex; flex-direction: column; gap: .25rem; flex: 1; }
.sol-title { font-weight: 700; font-size: 1.0625rem; }
.sol-desc { font-size: .875rem; color: var(--muted); line-height: 1.55; }
.sol-explore { flex: none; font-size: .8125rem; font-weight: 600; color: var(--blue); white-space: nowrap; }
@media (max-width: 620px) { .sol-explore { display: none; } }

/* ---------- 技术卡片 ---------- */
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; width: 100%; }
@media (max-width: 900px) { .tech-grid { grid-template-columns: 1fr; } }
.tech-card { border: 1px solid var(--border); border-radius: 18px; overflow: hidden; background: #fff; }
.tech-img { aspect-ratio: 16/9; overflow: hidden; background: var(--bg-light); }
.tech-img img { width: 100%; height: 100%; object-fit: cover; }
.tech-body { padding: 1.5rem; display: flex; flex-direction: column; gap: .6rem; }
.tech-body h3 { font-size: 1.0625rem; font-weight: 700; }
.tech-body p { font-size: .875rem; color: var(--muted); line-height: 1.6; }
.tech-link a { font-size: .875rem; font-weight: 600; color: var(--blue); }

/* ---------- Why 网格 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; width: 100%; max-width: 1080px; }
@media (max-width: 900px) { .why-grid { grid-template-columns: 1fr; } }
.why-item { border: 1px solid var(--border); border-left: 4px solid var(--blue); border-radius: 14px; background: var(--bg-light); padding: 1.5rem; }
.why-item h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: .5rem; }
.why-item p { font-size: .875rem; color: var(--muted); line-height: 1.65; }

/* ---------- 统计 ---------- */
.stats-pyramid { display: flex; flex-direction: column; gap: 1rem; width: 100%; max-width: 900px; }
.stat-row { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.stat-cell { text-align: center; padding: 1.75rem 2.5rem; border: 1px solid var(--border); border-radius: 18px; background: var(--bg-light); min-width: 180px; }
.stat-val { display: block; font-size: 2rem; font-weight: 700; color: var(--blue); }
.stat-lbl { font-size: .875rem; color: var(--muted); }

/* ---------- CTA ---------- */
.section-cta { position: relative; background: var(--dark); color: #fff; padding: var(--section-py) var(--px); overflow: hidden; }
.cta-inner { max-width: 1440px; margin-inline: auto; }
.cta-card { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.cta-card h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
.cta-card p { color: rgba(255,255,255,.75); max-width: 520px; line-height: 1.6; }

/* ---------- 页脚 ---------- */
.footer { background: var(--dark2); color: rgba(255,255,255,.75); padding: clamp(3rem, 6vw, 4.5rem) var(--px) 2rem; }
.footer-inner { max-width: 1440px; margin-inline: auto; }
.footer-top { display: grid; grid-template-columns: 1.2fr 2fr; gap: 3rem; padding-bottom: 2.5rem; }
@media (max-width: 900px) { .footer-top { grid-template-columns: 1fr; } }
.footer-brand p { margin-top: 1rem; line-height: 1.6; max-width: 300px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
@media (max-width: 620px) { .footer-links { grid-template-columns: 1fr 1fr; } }
.footer-col { display: flex; flex-direction: column; gap: .6rem; }
.footer-col-title { font-weight: 600; color: #fff; margin-bottom: .4rem; }
.footer-col a { font-size: .875rem; color: rgba(255,255,255,.65); }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-top: 1px solid #ffffff1a; padding-top: 1.5rem; font-size: .8125rem; flex-wrap: wrap; }
.footer-legal { display: flex; gap: 1.25rem; }
.footer-legal a { color: rgba(255,255,255,.6); }
.footer-legal a:hover { color: #fff; }

/* ---------- 滚动渐显 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .65s cubic-bezier(.16,1,.3,1), transform .65s cubic-bezier(.16,1,.3,1); }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .pcard, .pcard-img img, .pcard-link svg { transition: none; }
  .pcard:hover { transform: none; }
  .pcard:hover .pcard-img img { transform: none; }
}

/* ---------- 浮动 WhatsApp 按钮 ---------- */
.whatsapp-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 100;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff; font-size: 26px;
  display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .4);
  transition: transform .2s;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ---------- Cookie 同意横幅（GDPR） ---------- */
.cookie-banner {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 200;
  background: var(--dark); color: rgba(255,255,255,.85);
  padding: 1rem var(--px); display: flex; align-items: center; justify-content: center;
  gap: 1.25rem; flex-wrap: wrap; font-size: .875rem;
}
.cookie-banner a { color: var(--blue); }
.btn-sm { padding: 8px 18px; font-size: 13px; }

/* ---------- 关于我们 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; width: 100%; max-width: 900px; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }
.about-block { border: 1px solid var(--border); border-left: 4px solid var(--blue); border-radius: 14px; background: var(--bg-light); padding: 1.5rem; }
.about-block h3 { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; color: var(--blue); }
.about-block p { font-size: .9375rem; color: var(--muted); line-height: 1.7; }
.history-wrap { width: 100%; max-width: 1080px; display: flex; flex-direction: column; gap: 1.5rem; }
.history-wrap h3 { font-size: 1.5rem; font-weight: 700; }
.timeline { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
@media (max-width: 900px) { .timeline { grid-template-columns: 1fr; } }
.timeline-item { border: 1px solid var(--border); border-radius: 14px; padding: 1.25rem 1.5rem; background: #fff; }
.timeline-item small { display: block; font-size: .75rem; letter-spacing: 1px; color: var(--blue); font-weight: 600; text-transform: uppercase; margin-bottom: .4rem; }
.timeline-item h4 { font-size: 1.0625rem; font-weight: 700; margin-bottom: .4rem; }
.timeline-item p { font-size: .875rem; color: var(--muted); line-height: 1.65; }

/* ---------- 方案正文 ---------- */
.solution-content { width: 100%; max-width: 820px; display: flex; flex-direction: column; gap: 1.25rem; }
.solution-content p { font-size: 1rem; color: var(--muted2); line-height: 1.8; }

/* ---------- 联系卡片 ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; width: 100%; max-width: 900px; }
@media (max-width: 900px) { .contact-cards { grid-template-columns: 1fr; } }
.contact-card { border: 1px solid var(--border); border-radius: 14px; background: var(--bg-light); padding: 1.5rem; text-align: center; display: flex; flex-direction: column; gap: .5rem; }
.contact-card h3 { font-size: 1rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.contact-card a { font-size: 1.0625rem; font-weight: 600; color: var(--blue); }

/* ---------- 页脚社交 ---------- */
.footer-social { display: flex; gap: .75rem; margin-top: 1rem; }
.footer-social a { width: 36px; height: 36px; border: 1px solid #ffffff2e; border-radius: 50%; display: grid; place-items: center; font-size: .8125rem; color: rgba(255,255,255,.8); transition: border-color .2s, color .2s; }
.footer-social a:hover { border-color: var(--blue); color: #fff; }

/* ---------- 蜜罐隐藏字段 ---------- */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; overflow: hidden; }

/* ---------- 参数对比表 ---------- */
.spec-compare { width: 100%; overflow-x: auto; }
.spec-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.spec-table th { background: var(--dark); color: #fff; padding: .8rem 1rem; font-size: .875rem; text-align: left; white-space: nowrap; }
.spec-table td { border: 1px solid var(--border); padding: .75rem 1rem; font-size: .875rem; }
.spec-table td:first-child { font-weight: 600; }
.spec-table tr:nth-child(even) td { background: var(--bg-light); }
.spec-table td a { color: var(--blue); font-weight: 600; }

/* ---------- 落地页 ---------- */
.landing-hero {
  position: relative; min-height: clamp(420px, 55vh, 560px);
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: linear-gradient(120deg, var(--dark) 0%, var(--dark2) 60%, #1d2735 100%);
  color: #fff; overflow: hidden;
}
.landing-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px at 80% -10%, rgba(22,119,255,.25), transparent 70%);
}
.landing-inner { position: relative; max-width: 760px; padding: clamp(3rem,7vw,5rem) var(--px); display: flex; flex-direction: column; align-items: center; gap: 1.25rem; }
.landing-inner h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); font-weight: 700; letter-spacing: -.5px; line-height: 1.08; }
.landing-inner p { font-size: clamp(1rem, 2vw, 1.125rem); line-height: 1.65; color: rgba(255,255,255,.82); }
.landing-benefits { list-style: none; width: 100%; max-width: 720px; display: flex; flex-direction: column; gap: .9rem; }
.landing-benefits li {
  background: var(--bg-light); border: 1px solid var(--border); border-left: 4px solid var(--blue);
  border-radius: 12px; padding: 1rem 1.25rem; font-size: .9375rem; color: var(--text); line-height: 1.55;
}