* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, "Microsoft YaHei", sans-serif; color: #132238; background: #f4f8fc; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
.tech-page { min-height: 100vh; background: linear-gradient(180deg, #eef7ff 0%, #f8fbff 44%, #ffffff 100%); }
.tech-shell { width: min(1200px, calc(100% - 32px)); margin: 0 auto; }
.tech-top { background: #071d3b; color: #d8ecff; font-size: 13px; }
.tech-top .tech-shell { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.tech-top a { color: #8fd5ff; }
.tech-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.94); border-bottom: 1px solid #dbeafe; backdrop-filter: blur(12px); }
.tech-nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.tech-brand { display: flex; align-items: center; min-width: 0; gap: 13px; }
.tech-logo { width: 44px; height: 44px; border-radius: 8px; display: grid; place-items: center; background: linear-gradient(135deg, #0369a1, #22d3ee); color: #fff; font-weight: 700; box-shadow: 0 12px 26px rgba(14,116,144,.22); }
.tech-brand h1 { margin: 0; font-size: 22px; line-height: 1.24; color: #06233f; font-weight: 700; max-width: 520px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tech-brand p { margin: 4px 0 0; color: #5b7088; font-size: 13px; }
.tech-menu { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.tech-menu a { height: 36px; display: inline-flex; align-items: center; padding: 0 13px; border-radius: 6px; color: #23405c; font-size: 14px; }
.tech-menu a:hover, .tech-menu .active { color: #0369a1; background: #e0f2fe; }
.tech-phone { display: inline-flex; align-items: center; height: 38px; padding: 0 15px; border-radius: 6px; color: #fff !important; background: #0f73b7 !important; font-weight: 700; box-shadow: 0 10px 20px rgba(15,115,183,.22); }
.tech-btn { height: 46px; padding: 0 22px; border-radius: 6px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 700; border: 1px solid transparent; }
.tech-btn.primary { color: #05213d; background: #67e8f9; box-shadow: 0 14px 28px rgba(103,232,249,.26); }
.tech-btn.secondary { color: #075985; border-color: #bae6fd; background: #e0f2fe; }
.sub-hero { position: relative; overflow: hidden; color: #fff; background: #08203f; }
.sub-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .68; transform: scale(1.02); }
.sub-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,22,45,.94), rgba(5,41,78,.72) 52%, rgba(4,22,45,.32)); }
.sub-hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 88px; background: linear-gradient(180deg, rgba(244,248,252,0), #f4f8fc); }
.sub-hero-inner { position: relative; z-index: 1; min-height: 310px; display: grid; align-items: center; padding: 56px 0 84px; }
.sub-kicker { width: fit-content; border: 1px solid rgba(125,211,252,.45); background: rgba(8,47,73,.5); color: #9be4ff; padding: 8px 12px; border-radius: 6px; font-size: 14px; }
.sub-title { margin: 18px 0 12px; font-size: 42px; line-height: 1.16; font-weight: 800; max-width: 820px; }
.sub-copy { margin: 0; max-width: 780px; color: #d9ecff; font-size: 16px; line-height: 1.85; }
.section { padding: 70px 0; }
.section.compact { padding-top: 42px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.section-title { margin: 0; color: #08233f; font-size: 30px; line-height: 1.2; }
.section-sub { margin: 8px 0 0; color: #5d7289; font-size: 15px; line-height: 1.7; max-width: 720px; }
.section-link { color: #0474b9; font-weight: 700; white-space: nowrap; }
.breadcrumb { margin-top: -34px; position: relative; z-index: 2; }
.breadcrumb-box { display: flex; align-items: center; gap: 8px; min-height: 54px; padding: 0 18px; background: #fff; border: 1px solid #dbeafe; border-radius: 8px; box-shadow: 0 16px 38px rgba(15,23,42,.08); color: #5d7289; font-size: 14px; }
.breadcrumb-box a { color: #0474b9; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 22px; align-items: start; }
.main-panel, .side-panel { background: #fff; border: 1px solid #dbeafe; border-radius: 8px; box-shadow: 0 14px 34px rgba(15,23,42,.07); }
.main-panel { padding: 24px; }
.side-panel { padding: 22px; position: sticky; top: 96px; }
.side-panel + .side-panel { margin-top: 16px; }
.side-panel h3 { margin: 0 0 14px; color: #0a2c4d; font-size: 18px; }
.side-panel p { margin: 0; color: #5b7288; font-size: 14px; line-height: 1.75; }
.quick-list { display: grid; gap: 10px; }
.quick-list a { display: flex; align-items: center; justify-content: space-between; min-height: 42px; padding: 0 12px; border-radius: 6px; color: #23405c; background: #f1f8ff; border: 1px solid #dbeafe; font-size: 14px; }
.quick-list a:hover { color: #0369a1; background: #e0f2fe; }
.product-list-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.product-card { min-height: 246px; background: #fff; border: 1px solid #dbeafe; border-radius: 8px; overflow: hidden; box-shadow: 0 14px 34px rgba(15,23,42,.08); transition: transform .2s ease, box-shadow .2s ease; }
.product-card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px rgba(14,116,144,.16); }
.product-img { aspect-ratio: 4 / 3; background: #dbeafe; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; }
.product-card p { margin: 0; padding: 14px 14px 16px; font-size: 15px; line-height: 1.55; color: #15344f; font-weight: 700; }
.news-list { display: grid; gap: 14px; }
.news-row { display: grid; grid-template-columns: 102px minmax(0, 1fr) auto; align-items: center; gap: 16px; min-height: 76px; padding: 16px 18px; background: #fff; border: 1px solid #dbeafe; border-radius: 8px; box-shadow: 0 12px 26px rgba(15,23,42,.06); }
.news-date { color: #0284c7; font-size: 13px; white-space: nowrap; }
.news-row h3 { margin: 0; min-width: 0; color: #183650; font-size: 16px; line-height: 1.55; }
.news-more { color: #0474b9; font-size: 14px; font-weight: 700; white-space: nowrap; }
.article-body { color: #4d6178; line-height: 1.95; font-size: 15px; }
.article-body p { margin: 0 0 16px; }
.article-body strong { color: #075985; }
.about-visual { display: grid; grid-template-columns: .82fr 1.18fr; gap: 24px; align-items: center; }
.about-media { min-height: 360px; border-radius: 8px; overflow: hidden; background: #dbeafe; }
.about-media img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; }
.stat-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 24px; }
.stat-item { padding: 18px; border-radius: 8px; background: #f1f8ff; border: 1px solid #dbeafe; color: #5b7288; }
.stat-item strong { display: block; margin-bottom: 6px; color: #0284c7; font-size: 24px; }
.adv-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.adv-item { background: #fff; border: 1px solid #dbeafe; border-radius: 8px; padding: 24px; min-height: 190px; box-shadow: 0 14px 34px rgba(15,23,42,.07); }
.adv-icon { width: 44px; height: 44px; border-radius: 8px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, #0284c7, #14b8a6); font-weight: 800; margin-bottom: 16px; }
.adv-item h3 { margin: 0 0 10px; color: #0a2c4d; font-size: 18px; }
.adv-item p { margin: 0; color: #5b7288; font-size: 14px; line-height: 1.75; }
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.contact-card { min-height: 110px; padding: 20px; border-radius: 8px; background: #fff; border: 1px solid #dbeafe; box-shadow: 0 14px 34px rgba(15,23,42,.07); }
.contact-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 8px; color: #fff; background: #0f73b7; font-weight: 800; margin-bottom: 12px; }
.contact-card h3 { margin: 0 0 6px; color: #0a2c4d; font-size: 17px; }
.contact-card p { margin: 0; color: #536b82; line-height: 1.7; word-break: break-all; }
.contact-card a { color: #0474b9; font-weight: 700; }
.area-cloud { margin-top: 24px; padding: 22px; border-radius: 8px; background: #fff; border: 1px solid #dbeafe; box-shadow: 0 14px 34px rgba(15,23,42,.07); }
.area-cloud h3 { margin: 0 0 14px; color: #0a2c4d; font-size: 18px; }
.area-group { padding: 14px 0; border-top: 1px solid #e8f1fb; }
.area-group:first-of-type { border-top: 0; padding-top: 0; }
.area-group strong { display: block; margin-bottom: 10px; color: #075985; }
.area-links { display: flex; flex-wrap: wrap; gap: 8px; }
.area-links a, .area-links span { display: inline-flex; align-items: center; min-height: 30px; padding: 0 10px; border-radius: 6px; background: #f1f8ff; border: 1px solid #dbeafe; color: #34536f; font-size: 13px; }
.page-wrap { margin-top: 26px; text-align: center; color: #5d7289; }
.page-wrap a, .page-wrap span, .page-wrap strong, .page-wrap em { display: inline-flex; align-items: center; justify-content: center; min-width: 34px; height: 34px; margin: 3px; padding: 0 10px; border-radius: 6px; border: 1px solid #dbeafe; background: #fff; color: #0474b9; font-style: normal; font-weight: 500; }
.page-wrap .page_current, .page-wrap strong { color: #fff; background: #0f73b7; border-color: #0f73b7; }
.page-wrap .paeg-info { color: #5d7289; background: #f1f8ff; }
.empty-state { padding: 42px 18px; text-align: center; color: #5d7289; background: #f8fbff; border: 1px dashed #bfdbfe; border-radius: 8px; }
.footer { background: #061b36; color: #bfd8ee; padding: 34px 0 84px; text-align: center; font-size: 14px; line-height: 1.8; }
.footer a { color: #9be4ff; }
.mobile-footer { display: none; }
@media (max-width: 980px) {
    .tech-top .tech-shell { flex-direction: column; align-items: flex-start; padding: 10px 0; gap: 6px; }
    .tech-nav { align-items: flex-start; flex-direction: column; padding: 16px 0; }
    .tech-brand h1 { white-space: normal; font-size: 20px; }
    .tech-menu { justify-content: flex-start; }
    .sub-title { font-size: 34px; }
    .content-layout, .about-visual { grid-template-columns: 1fr; }
    .side-panel { position: static; }
    .product-list-grid, .contact-grid, .adv-grid, .stat-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .tech-shell { width: min(100% - 22px, 1200px); }
    .tech-menu { width: 100%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
    .tech-menu a { justify-content: center; padding: 0 8px; font-size: 13px; background: #f0f7ff; }
    .tech-phone { width: 100%; }
    .sub-hero-inner { min-height: 270px; padding: 42px 0 74px; }
    .sub-title { font-size: 30px; }
    .sub-copy { font-size: 15px; }
    .section { padding: 54px 0; }
    .section-head { align-items: flex-start; flex-direction: column; }
    .breadcrumb { margin-top: -28px; }
    .breadcrumb-box { align-items: flex-start; flex-direction: column; justify-content: center; padding: 12px 14px; }
    .main-panel { padding: 16px; }
    .product-list-grid, .contact-grid, .adv-grid, .stat-strip { grid-template-columns: 1fr; }
    .news-row { grid-template-columns: 1fr; gap: 6px; }
    .news-more { display: none; }
    .about-media, .about-media img { min-height: 240px; }
    .footer { padding-bottom: 92px; }
    .mobile-footer { display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: #fff; border-top: 1px solid #dbeafe; }
    .mobile-footer ul { display: grid; grid-template-columns: repeat(4, 1fr); }
    .mobile-footer a { min-height: 58px; display: grid; place-items: center; color: #075985; font-size: 13px; }
    .mobile-footer p { margin: 0; }
}