/* 智飞生物官网 - 全局样式 (仿 zhifeishengwu.com) */
/* ========== Reset & Base ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; color: #333; background: #fff; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; transition: color .3s; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: 1200px; max-width: 92%; margin: 0 auto; }
.clearfix::after { content: ''; display: table; clear: both; }

/* ========== Header ========== */
.header { position: relative; z-index: 100; background: #fff; }
.header-top { padding: 20px 0 15px; border-bottom: 1px solid #f0f0f0; }
.header-top .container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; flex-direction: column; }
.logo a { display: flex; flex-direction: column; }
.logo-text { font-size: 28px; color: #0a5c2d; font-weight: bold; letter-spacing: 4px; white-space: nowrap; line-height: 1.3; }
.logo-sub { font-size: 12px; color: #888; letter-spacing: 1px; margin-top: 2px; }
.header-right { display: flex; align-items: center; gap: 25px; }
.header-right .stock-info { display: flex; align-items: center; gap: 6px; font-size: 13px; color: #666; }
.header-right .stock-info strong { color: #0a5c2d; font-size: 14px; }
.header-right .hotline { font-size: 13px; color: #999; }

/* ========== Navigation ========== */
.main-nav { background: #0a6e35; position: relative; }
.nav-list { display: flex; justify-content: center; }
.nav-list > li { position: relative; }
.nav-list > li > a { display: block; padding: 15px 45px; color: #fff; font-size: 16px; letter-spacing: 2px; transition: all .3s; }
.nav-list > li:hover > a, .nav-list > li.active > a { background: rgba(255,255,255,.1); }
.nav-list > li > a::after { display: none; }
.has-sub:hover .sub-menu { display: block; }
.sub-menu { display: none; position: absolute; top: 100%; left: 0; background: #fff; min-width: 160px; box-shadow: 0 6px 20px rgba(0,0,0,.12); z-index: 99; overflow: hidden; }
.sub-menu li a { display: block; padding: 12px 24px; color: #444; font-size: 14px; border-bottom: 1px solid #f5f5f5; transition: all .2s; }
.sub-menu li:last-child a { border-bottom: none; }
.sub-menu li a:hover { background: #f0f9f4; color: #0a6e35; padding-left: 28px; }

/* ========== Banner ========== */
.banner { position: relative; height: 500px; overflow: hidden; background: #0a5c2d; }
.banner-slider { height: 100%; position: relative; }
.banner-item { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 1s ease; }
.banner-item.active { opacity: 1; }
.banner-item::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, rgba(8,60,28,.88) 0%, rgba(10,110,53,.75) 50%, rgba(20,160,75,.65) 100%); z-index: 1; }
.banner-item::after { display: none; }
.banner-content { color: #fff; text-align: center; position: relative; z-index: 2; max-width: 800px; padding: 0 20px; }
.banner-content h2 { font-size: 42px; margin-bottom: 18px; text-shadow: 0 2px 10px rgba(0,0,0,.2); letter-spacing: 6px; font-weight: 600; line-height: 1.4; }
.banner-content p { font-size: 18px; opacity: .85; text-shadow: 0 1px 4px rgba(0,0,0,.15); letter-spacing: 3px; line-height: 1.6; }
.banner-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.banner-dots .dot { width: 35px; height: 3px; border-radius: 2px; background: rgba(255,255,255,.4); cursor: pointer; transition: all .3s; }
.banner-dots .dot.active { background: #fff; width: 55px; }
.banner-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 46px; height: 46px; background: rgba(255,255,255,.12); border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all .3s; color: #fff; font-size: 18px; }
.banner-arrow:hover { background: rgba(255,255,255,.25); }
.banner-arrow-left { left: 25px; }
.banner-arrow-right { right: 25px; }

/* ========== Sections Common ========== */
.section { padding: 60px 0; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-title { font-size: 30px; color: #222; position: relative; display: inline-block; letter-spacing: 3px; font-weight: 600; }
.section-title::after { content: ''; display: block; width: 50px; height: 3px; background: #0a6e35; margin: 12px auto 0; border-radius: 0; }
.section-sub { color: #888; font-size: 14px; margin-top: 12px; letter-spacing: 1px; }
.section-desc { color: #666; font-size: 15px; max-width: 760px; margin: 18px auto 0; line-height: 1.9; }
.section-more { text-align: center; margin-top: 30px; }

/* ========== Buttons ========== */
.btn { display: inline-block; padding: 12px 36px; border-radius: 0; transition: all .3s; font-size: 14px; letter-spacing: 1px; cursor: pointer; }
.btn-more { background: #0a6e35; color: #fff; box-shadow: none; }
.btn-more:hover { background: #085a2b; color: #fff; transform: none; box-shadow: none; }
.btn-outline { border: 1px solid #0a6e35; color: #0a6e35; background: transparent; }
.btn-outline:hover { background: #0a6e35; color: #fff; }

/* ========== Intro Section ========== */
.section-intro { background: #f8f9fa; position: relative; }
.section-intro::before { display: none; }
.intro-content { max-width: 960px; margin: 0 auto; }
.intro-text p { color: #555; line-height: 2.2; text-indent: 2em; margin-bottom: 20px; font-size: 15px; }
.intro-text .btn { margin-top: 10px; }
.intro-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 35px; padding-top: 35px; border-top: 1px solid #e0e0e0; }
.intro-stat { text-align: center; }
.intro-stat .num { display: block; font-size: 36px; font-weight: bold; color: #0a6e35; margin-bottom: 6px; }
.intro-stat .num em { font-style: normal; font-size: 14px; font-weight: normal; color: #999; margin-left: 2px; }
.intro-stat .label { font-size: 13px; color: #888; }

/* ========== Stock Section ========== */
.section-stock { background: #fff; }
.stock-header { text-align: center; margin-bottom: 25px; }
.stock-code { display: inline-flex; align-items: center; gap: 10px; padding: 8px 20px; background: #f0f9f4; border-radius: 0; margin-bottom: 12px; }
.stock-code span { font-size: 13px; color: #0a6e35; }
.stock-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 15px; margin-top: 20px; }
.stock-item { text-align: center; padding: 22px 10px; background: #f8faf8; border: 1px solid #eef3ee; transition: all .3s; }
.stock-item:hover { border-color: #0a6e35; }
.stock-value { display: block; font-size: 24px; color: #c00; font-weight: bold; margin-bottom: 8px; font-family: "DIN", "Roboto", monospace; }
.stock-label { font-size: 12px; color: #999; }
.stock-note { text-align: center; color: #aaa; font-size: 12px; margin-top: 18px; }
.stock-note em { font-style: normal; color: #0a6e35; }

/* ========== Products Section ========== */
.section-products { background: #f5f9f6; position: relative; }
.product-tabs { display: flex; justify-content: center; gap: 30px; margin-bottom: 35px; }
.tab-item { padding: 20px 40px; background: #fff; text-align: center; cursor: pointer; transition: all .3s; min-width: 170px; border: 1px solid #e8ece9; }
.tab-item:hover, .tab-item.active { background: #0a6e35; color: #fff; transform: none; box-shadow: none; border-color: #0a6e35; }
.tab-item:hover .tab-num, .tab-item.active .tab-num { color: rgba(255,255,255,.7); }
.tab-item:hover .tab-name, .tab-item.active .tab-name { color: #fff; }
.tab-num { display: block; font-size: 28px; font-weight: bold; color: #0a6e35; margin-bottom: 6px; transition: color .3s; font-family: "DIN", "Roboto", monospace; }
.tab-name { font-size: 15px; color: #555; transition: color .3s; letter-spacing: 1px; }
.product-link { text-align: center; }

/* ========== News Section ========== */
.section-news { background: #fff; }
.news-tabs { display: flex; gap: 0; margin-bottom: 30px; justify-content: center; }
.news-tab { padding: 10px 30px; border: 2px solid #0a6e35; cursor: pointer; transition: all .3s; font-size: 15px; letter-spacing: 1px; }
.news-tab:first-child { border-radius: 0; }
.news-tab:last-child { border-radius: 0; }
.news-tab + .news-tab { border-left: none; }
.news-tab.active { background: #0a6e35; color: #fff; }
.news-tab:hover:not(.active) { background: #f0f9f4; }
.news-list { max-width: 900px; margin: 0 auto; }
.news-card { display: flex; gap: 25px; padding: 22px 0; border-bottom: 1px dashed #e8e8e8; transition: all .3s; }
.news-card:hover { padding-left: 8px; }
.news-card:last-child { border-bottom: none; }
.news-date { text-align: center; min-width: 75px; flex-shrink: 0; }
.news-day { display: block; font-size: 38px; font-weight: bold; color: #0a6e35; line-height: 1; font-family: "DIN", "Roboto", monospace; }
.news-month { font-size: 13px; color: #aaa; margin-top: 4px; display: block; }
.news-info { flex: 1; }
.news-info h3 { font-size: 16px; margin-bottom: 10px; font-weight: 500; line-height: 1.5; }
.news-info h3 a { transition: color .2s; }
.news-info h3 a:hover { color: #0a6e35; }
.news-info p { color: #888; font-size: 14px; line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ========== Partners Section ========== */
.section-partners { background: #f5f5f5; padding: 45px 0; }
.partner-scroll { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.partner-item { padding: 15px 35px; background: #fff; color: #555; font-size: 15px; font-weight: 500; transition: all .3s; letter-spacing: 1px; border: 1px solid #eee; }
.partner-item:hover { color: #0a6e35; border-color: #0a6e35; }

/* ========== Page Banner (Inner Pages) ========== */
.page-banner { background: linear-gradient(135deg, #064e25 0%, #0a6e35 50%, #12954a 100%); padding: 60px 0 50px; text-align: center; color: #fff; position: relative; overflow: hidden; }
.page-banner::before { display: none; }
.page-banner::after { display: none; }
.page-banner h2 { font-size: 32px; margin-bottom: 8px; letter-spacing: 4px; position: relative; z-index: 1; font-weight: 600; }
.page-banner p { font-size: 14px; opacity: .6; letter-spacing: 2px; position: relative; z-index: 1; text-transform: uppercase; }

/* ========== Breadcrumb ========== */
.breadcrumb { background: #f5f5f5; padding: 12px 0; font-size: 13px; color: #aaa; border-bottom: 1px solid #e8e8e8; }
.breadcrumb a { color: #666; }
.breadcrumb a:hover { color: #0a6e35; }
.breadcrumb .sep { margin: 0 8px; color: #ccc; }

/* ========== Content Layout ========== */
.page-content { padding: 35px 0 60px; }
.content-layout { display: flex; gap: 25px; }

/* ========== Sidebar ========== */
.sidebar { width: 240px; flex-shrink: 0; }
.sidebar h3 { background: #0a6e35; color: #fff; padding: 16px 20px; font-size: 18px; letter-spacing: 1px; }
.side-menu { background: #fff; border: 1px solid #e8e8e8; border-top: none; overflow: hidden; }
.side-menu li { border-bottom: 1px solid #f0f0f0; }
.side-menu li:last-child { border-bottom: none; }
.side-menu li a { display: block; padding: 14px 20px; color: #555; transition: all .3s; font-size: 14px; position: relative; }
.side-menu li a::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: #0a6e35; transition: width .3s; }
.side-menu li:hover a, .side-menu li.active a { background: #f5faf7; color: #0a6e35; font-weight: 500; }
.side-menu li:hover a::before, .side-menu li.active a::before { width: 3px; }

/* ========== Main Content ========== */
.main-content { flex: 1; background: #fff; padding: 30px; border: 1px solid #e8e8e8; min-height: 400px; }
.article-body { color: #555; line-height: 2; }
.article-body h3 { font-size: 20px; color: #222; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid #0a6e35; position: relative; }
.article-body h3::after { display: none; }
.article-body p { margin-bottom: 16px; text-indent: 2em; font-size: 15px; }

/* ========== Stats ========== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 30px; }
.stat-item { text-align: center; padding: 25px 15px; background: #f5faf7; border: 1px solid #d8e8dc; transition: all .3s; }
.stat-item:hover { border-color: #0a6e35; }
.stat-value { display: block; font-size: 34px; font-weight: bold; color: #0a6e35; margin-bottom: 8px; font-family: "DIN", "Roboto", monospace; }
.stat-label { font-size: 13px; color: #888; }
.data-source { font-size: 12px; color: #aaa; margin-top: 15px; text-indent: 0 !important; }

/* ========== Timeline ========== */
.timeline { padding-left: 30px; border-left: 3px solid #d8e8dc; position: relative; }
.timeline-item { position: relative; padding: 0 0 30px 35px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-year { font-size: 20px; font-weight: bold; color: #0a6e35; margin-bottom: 8px; font-family: "DIN", "Roboto", monospace; }
.timeline-dot { position: absolute; left: -39px; top: 5px; width: 14px; height: 14px; border-radius: 50%; background: #0a6e35; border: 3px solid #fff; box-shadow: 0 0 0 3px #0a6e35; }
.timeline-content p { color: #555; text-indent: 0; line-height: 1.8; }

/* ========== Culture ========== */
.culture-list { display: grid; gap: 20px; }
.culture-card { display: flex; gap: 20px; padding: 25px; background: #f8faf8; border: 1px solid #e8ece9; transition: all .3s; }
.culture-card:hover { border-color: #0a6e35; }
.icon-circle { display: flex; align-items: center; justify-content: center; width: 50px; height: 50px; background: #0a6e35; color: #fff; border-radius: 50%; font-size: 20px; font-weight: bold; flex-shrink: 0; }
.culture-info h4 { color: #222; margin-bottom: 8px; font-size: 17px; }
.culture-info p { color: #666; text-indent: 0; line-height: 1.8; }

/* ========== Org Chart ========== */
.org-chart { text-align: center; }
.org-chart h3 { border: none; }
.org-box { display: inline-block; }
.org-level { display: flex; justify-content: center; gap: 15px; margin-bottom: 20px; position: relative; }
.org-item { padding: 14px 28px; background: #f8f8f8; border: 1px solid #e0e0e0; font-size: 14px; transition: all .3s; }
.org-item:hover { border-color: #0a6e35; }
.org-item.highlight { background: #0a6e35; color: #fff; border-color: #0a6e35; }

/* ========== Partner Grid ========== */
.partner-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.partner-card { padding: 25px; background: #f8faf8; border-left: 4px solid #0a6e35; transition: all .3s; border: 1px solid #e8ece9; border-left: 4px solid #0a6e35; }
.partner-card:hover { box-shadow: none; }
.partner-card h4 { color: #222; margin-bottom: 8px; font-size: 16px; }
.partner-card p { color: #666; text-indent: 0; line-height: 1.8; }

/* ========== Product Cards ========== */
.product-list { display: grid; gap: 18px; }
.product-card { display: flex; gap: 20px; padding: 20px; background: #f8faf8; border: 1px solid #e8ece9; transition: all .3s; }
.product-card:hover { border-color: #0a6e35; }
.product-icon { flex-shrink: 0; width: 70px; height: 70px; background: #e8f5ec; display: flex; align-items: center; justify-content: center; font-size: 28px; color: #0a6e35; font-weight: bold; }
.product-info h4 { color: #222; margin-bottom: 8px; font-size: 16px; }
.product-info p { color: #666; font-size: 14px; text-indent: 0; margin-bottom: 12px; line-height: 1.7; }
.btn-download { display: inline-block; padding: 6px 18px; border: 1px solid #0a6e35; color: #0a6e35; font-size: 13px; transition: all .3s; }
.btn-download:hover { background: #0a6e35; color: #fff; }

/* ========== News List Page ========== */
.news-list-page { margin-top: 15px; }
.news-item { display: flex; gap: 22px; padding: 20px 0; border-bottom: 1px dashed #e8e8e8; transition: all .3s; }
.news-item:hover { padding-left: 8px; }
.news-item-date { text-align: center; min-width: 70px; flex-shrink: 0; }
.news-item-day { display: block; font-size: 34px; font-weight: bold; color: #0a6e35; line-height: 1; font-family: "DIN", "Roboto", monospace; }
.news-item-month { font-size: 12px; color: #aaa; display: block; margin-top: 4px; }
.news-item-info h4 { font-size: 16px; margin-bottom: 8px; font-weight: 500; }
.news-item-info h4 a:hover { color: #0a6e35; }
.news-item-info p { color: #888; font-size: 14px; line-height: 1.7; text-indent: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item-time { font-size: 12px; color: #bbb; }

/* ========== Pagination ========== */
.pagination { display: flex; gap: 4px; justify-content: center; margin-top: 30px; }
.pagination a, .pagination span { display: inline-block; padding: 8px 15px; border: 1px solid #ddd; color: #666; font-size: 14px; transition: all .3s; }
.pagination a:hover { border-color: #0a6e35; color: #0a6e35; }
.page-current { background: #0a6e35 !important; color: #fff !important; border-color: #0a6e35 !important; }

/* ========== Article Detail ========== */
.article-detail { padding: 10px 0; }
.article-title { font-size: 24px; text-align: center; margin-bottom: 18px; color: #222; letter-spacing: 1px; line-height: 1.4; }
.article-meta { text-align: center; color: #aaa; font-size: 13px; margin-bottom: 30px; padding-bottom: 18px; border-bottom: 1px solid #e8e8e8; }
.article-meta span { margin: 0 12px; }
.article-content { color: #555; line-height: 2.2; }
.article-content p { margin-bottom: 16px; text-indent: 2em; font-size: 15px; }

/* ========== Footer ========== */
.footer { margin-top: 0; }
.footer-main { background: #2a2d2e; padding: 45px 0 35px; color: #bbb; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid #0a6e35; display: inline-block; letter-spacing: 1px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: #999; font-size: 13px; transition: all .3s; position: relative; padding-left: 0; }
.footer-col ul li a:hover { color: #1aab56; padding-left: 5px; }
.footer-col ul li a::before { content: '·'; margin-right: 8px; color: #0a6e35; }
.footer-contact p { font-size: 13px; color: #999; margin-bottom: 8px; line-height: 1.6; }
.footer-contact p::before { margin-right: 8px; color: #0a6e35; }
.footer-bottom { background: #222526; padding: 16px 0; text-align: center; color: #666; font-size: 12px; }
.footer-bottom p { margin-bottom: 4px; }

/* ========== Platform Grid (创新研发) ========== */
.platform-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 25px; }
.platform-card { padding: 22px 18px; background: #f5faf7; border: 1px solid #d8e8dc; transition: all .3s; text-align: center; }
.platform-card:hover { border-color: #0a6e35; transform: translateY(-3px); }
.platform-card h4 { color: #0a6e35; font-size: 16px; margin-bottom: 10px; }
.platform-card p { color: #666; font-size: 13px; line-height: 1.7; text-indent: 0; }

/* ========== Base List (研发平台) ========== */
.base-list { display: grid; gap: 20px; margin-top: 25px; }
.base-item { display: flex; gap: 20px; padding: 25px; background: #f8faf8; border: 1px solid #e8ece9; border-left: 4px solid #0a6e35; transition: all .3s; }
.base-item:hover { border-color: #0a6e35; }
.base-item h4 { color: #222; font-size: 18px; margin-bottom: 10px; }
.base-item p { color: #666; font-size: 14px; line-height: 1.8; text-indent: 0; }

/* ========== Tech Platform Grid (技术平台) ========== */
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 25px; }
.tech-card { padding: 25px 20px; background: #fff; border: 1px solid #e0e8e2; transition: all .3s; position: relative; overflow: hidden; }
.tech-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: #0a6e35; transform: scaleX(0); transition: transform .3s; }
.tech-card:hover::before { transform: scaleX(1); }
.tech-card:hover { border-color: #0a6e35; }
.tech-card h4 { color: #0a6e35; font-size: 15px; margin-bottom: 10px; line-height: 1.4; }
.tech-card p { color: #666; font-size: 13px; line-height: 1.7; text-indent: 0; }

/* ========== Project List (在研项目) ========== */
.project-list { display: grid; gap: 15px; margin-top: 25px; }
.project-item { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; background: #f8faf8; border: 1px solid #e8ece9; transition: all .3s; }
.project-item:hover { border-color: #0a6e35; padding-left: 26px; }
.project-info { flex: 1; }
.project-info h4 { color: #222; font-size: 15px; margin-bottom: 6px; }
.project-info p { color: #888; font-size: 13px; text-indent: 0; line-height: 1.6; }
.project-status { flex-shrink: 0; margin-left: 15px; }
.status-tag { display: inline-block; padding: 5px 14px; font-size: 12px; letter-spacing: 1px; border: 1px solid; }
.status-phase3 { color: #c00; border-color: #c00; background: #fff5f5; }
.status-phase1 { color: #e67e22; border-color: #e67e22; background: #fff8f0; }
.status-preclinical { color: #3498db; border-color: #3498db; background: #f0f8ff; }
.status-filing { color: #0a6e35; border-color: #0a6e35; background: #f0f9f4; }

/* ========== Values Cards (人才理念) ========== */
.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 25px; }
.value-card { padding: 28px 22px; background: #f5faf7; border: 1px solid #d8e8dc; text-align: center; transition: all .3s; }
.value-card:hover { border-color: #0a6e35; transform: translateY(-3px); }
.value-card h4 { color: #0a6e35; font-size: 20px; margin-bottom: 12px; letter-spacing: 2px; }
.value-card p { color: #666; font-size: 14px; line-height: 1.8; text-indent: 0; }

/* ========== Benefit Grid (薪酬福利) ========== */
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 25px; }
.benefit-card { padding: 28px 20px; background: #fff; border: 1px solid #e0e8e2; text-align: center; transition: all .3s; }
.benefit-card:hover { border-color: #0a6e35; transform: translateY(-3px); }
.benefit-icon { font-size: 32px; color: #0a6e35; margin-bottom: 12px; }
.benefit-card h4 { color: #222; font-size: 16px; margin-bottom: 8px; }
.benefit-card p { color: #666; font-size: 13px; line-height: 1.7; text-indent: 0; }

/* ========== Job List (招聘岗位) ========== */
.job-list { display: grid; gap: 15px; margin-top: 25px; }
.job-item { padding: 22px; background: #f8faf8; border: 1px solid #e8ece9; transition: all .3s; }
.job-item:hover { border-color: #0a6e35; }
.job-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.job-header h4 { color: #222; font-size: 16px; }
.job-type { display: inline-block; padding: 3px 12px; background: #0a6e35; color: #fff; font-size: 12px; }
.job-meta { display: flex; gap: 20px; margin-bottom: 10px; font-size: 13px; color: #888; }
.job-meta span::before { content: ''; display: inline-block; width: 4px; height: 4px; background: #0a6e35; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.job-item > p { color: #666; font-size: 14px; line-height: 1.7; text-indent: 0; }

/* ========== Homepage Research Section ========== */
.section-research { background: #f0f9f4; }
.research-highlights { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 25px; }
.research-item { padding: 25px 18px; background: #fff; border: 1px solid #d8e8dc; text-align: center; transition: all .3s; }
.research-item:hover { border-color: #0a6e35; transform: translateY(-3px); }
.research-item h4 { color: #0a6e35; font-size: 15px; margin-bottom: 8px; }
.research-item p { color: #888; font-size: 13px; text-indent: 0; line-height: 1.6; }

/* ========== Hamburger Menu ========== */
.nav-toggle { display: none; cursor: pointer; padding: 12px 0; }
.nav-toggle span { display: block; width: 28px; height: 3px; background: #fff; margin: 5px auto; transition: all .3s; border-radius: 2px; }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* ========== Responsive ========== */
@media (max-width: 992px) {
    .nav-toggle { display: block; }
    .nav-list {
        display: none;
        flex-direction: column;
        padding-bottom: 10px;
    }
    .nav-list.show { display: flex; }
    .nav-list > li { width: 100%; }
    .nav-list > li > a { padding: 12px 20px; text-align: center; }
    .has-sub .sub-menu {
        position: static;
        display: block;
        box-shadow: none;
        background: rgba(0,0,0,.15);
        min-width: 100%;
    }
    .has-sub .sub-menu li a { color: rgba(255,255,255,.8); border-bottom: 1px solid rgba(255,255,255,.1); }
    .has-sub .sub-menu li a:hover { background: rgba(255,255,255,.1); color: #fff; padding-left: 40px; }
}

@media (max-width: 768px) {
    .container { width: 95%; }
    .banner { height: 280px; }
    .section { padding: 20px 0; }
    .banner-content h2 { font-size: 24px; letter-spacing: 2px; }
    .banner-content p { font-size: 15px; }
    .stock-grid { grid-template-columns: repeat(2, 1fr); }
    .content-layout { flex-direction: column; }
    .sidebar { width: 100%; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .intro-stats { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .partner-grid { grid-template-columns: 1fr; }
    .product-tabs { gap: 10px; }
    .tab-item { min-width: auto; padding: 12px 8px; flex: 1; }
    .tab-num { font-size: 20px; }
    .tab-name { font-size: 12px; letter-spacing: 0; }
    .platform-grid { grid-template-columns: repeat(2, 1fr); }
    .tech-grid { grid-template-columns: 1fr; }
    .benefit-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .research-highlights { grid-template-columns: repeat(2, 1fr); }
    .project-item { flex-direction: column; align-items: flex-start; }
    .project-status { margin-left: 0; margin-top: 10px; }
    .logo-text { font-size: 18px; letter-spacing: 2px; }
    .logo-sub { display: none; }
    .page-banner { padding: 35px 0 30px; }
    .page-banner h2 { font-size: 22px; letter-spacing: 2px; }
    .content-layout { flex-direction: column; }
    .sidebar { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ========== Animations ========== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { opacity: 0; transform: translateY(15px); transition: all .5s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ========== Back to Top ========== */
.back-to-top { position: fixed; bottom: 35px; right: 25px; width: 40px; height: 40px; background: #0a6e35; color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; opacity: 0; transition: all .3s; z-index: 999; font-size: 16px; }
.back-to-top.show { opacity: 1; }
.back-to-top:hover { background: #085a2b; }