/* ============================================================
   西瓜科技官网样式 —— 纯 CSS，无外部依赖
   修改主题色只需改下面 :root 中的变量
   ============================================================ */
:root {
  --navy: #00143c;
  --navy-2: #061e4c;
  --navy-3: #0b2a63;
  --blue: #1668b5;
  --cyan: #54c2f0;
  --red: #e8322d;
  --green: #1aa36b;
  --ink: #182233;
  --muted: #6b7688;
  --line: #e3e8f0;
  --soft: #f5f7fb;
  --white: #fff;
  --container: 1360px;
  --header-h: 82px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); background: var(--white);
  font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4, p { margin: 0; }
.container { width: min(var(--container), calc(100% - 80px)); margin: 0 auto; }
.text-c { text-align: center; }
.arrow { width: 20px; height: 20px; flex: none; transition: transform .3s ease; }
#site-header { position: relative; z-index: 100; }

/* ---------- 顶部工具条 ---------- */
.topbar { height: 36px; background: #000d28; color: rgba(255,255,255,.66); font-size: 12px; }
.topbar-inner { height: 36px; display: flex; align-items: center; justify-content: space-between; }
.topbar-left { display: flex; align-items: center; gap: 22px; letter-spacing: .04em; }
.family-sites { opacity: .8; }
.topbar-lang b { font-weight: 500; color: var(--white); margin-left: 4px; }
.topbar-right { position: relative; display: flex; align-items: center; height: 36px; }
.stock-pills { display: flex; height: 36px; }
.stock-pill {
  display: flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px;
  background: none; border: 0; border-left: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.72); font-size: 12px; white-space: nowrap;
}
.stock-pill:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.stock-pill:hover, .stock-pill.active { background: rgba(255,255,255,.08); color: #fff; }
.stock-market { color: #fff; }
.stock-code { opacity: .65; }
.stock-price.up, .stock-big.up { color: #ff5b52; }
.stock-price.down, .stock-big.down { color: #35c98a; }
.stock-caret { opacity: .5; font-size: 10px; }
.stock-panels { position: absolute; right: 0; top: 36px; width: 340px; }
.stock-panel {
  display: none; background: #fff; color: var(--ink); padding: 22px;
  box-shadow: 0 18px 50px rgba(0,10,40,.22); border-top: 2px solid var(--blue);
}
.stock-panel.open { display: block; animation: fadeDown .22s ease; }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.stock-panel-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.stock-panel-head strong { margin-left: 10px; font-size: 14px; }
.stock-big { font-size: 20px; font-weight: 700; }
.stock-links { display: grid; gap: 4px; margin-top: 10px; }
.stock-links a { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; font-size: 13px; color: var(--muted); }
.stock-links a:hover { color: var(--blue); }
.stock-links .arrow { width: 15px; height: 15px; }

/* ---------- 头部 ---------- */
.header {
  position: sticky; top: 0; z-index: 105; height: var(--header-h);
  background: rgba(0,20,60,.94); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.1);
  transition: background .3s ease, box-shadow .3s ease;
}
.header.scrolled { background: rgba(0,16,48,.97); box-shadow: 0 8px 30px rgba(0,10,40,.25); }
.header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.logo { display: inline-flex; align-items: center; gap: 11px; color: #fff; flex: none; }
.logo-mark { width: 40px; height: 40px; color: var(--cyan); flex: none; }
.logo-words { display: flex; flex-direction: column; line-height: 1.12; }
.logo-cn { font-size: 21px; font-weight: 700; letter-spacing: .14em; }
.logo-en { font-size: 10px; letter-spacing: .22em; opacity: .62; margin-top: 4px; }
.nav { flex: 1; display: flex; justify-content: flex-end; }
.nav-list { display: flex; align-items: center; gap: 0; list-style: none; margin: 0; padding: 0; height: var(--header-h); }
.nav-item { position: static; height: var(--header-h); display: flex; align-items: center; }
.nav-link {
  position: relative; display: flex; align-items: center; height: 100%; padding: 0 20px;
  color: rgba(255,255,255,.85); font-size: 15px; white-space: nowrap; transition: color .2s;
}
.nav-link::after {
  content: ""; position: absolute; left: 20px; right: 20px; bottom: 20px; height: 2px;
  background: var(--cyan); transform: scaleX(0); transition: transform .3s ease;
}
.nav-item:hover .nav-link, .nav-item.is-active .nav-link { color: #fff; }
.nav-item:hover .nav-link::after, .nav-item.is-active .nav-link::after { transform: scaleX(1); }
.mega {
  display: none; position: absolute; top: 100%; left: 0; right: 0;
  background: #fff; color: var(--ink); box-shadow: 0 24px 60px rgba(0,15,50,.18);
  border-top: 1px solid var(--line);
}
.nav-item.has-mega:hover .mega { display: block; animation: fadeDown .24s ease; }
.mega-inner { display: flex; gap: 60px; padding: 42px 0 46px; }
.mega-left { width: 34%; flex: none; }
.mega-title { font-size: 26px; font-weight: 700; margin-bottom: 14px; }
.mega-left p { color: var(--muted); font-size: 14px; line-height: 1.9; max-width: 380px; }
.mega-left .btn { margin-top: 22px; }
.mega-right { flex: 1; display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 18px; }
.mega-card { border: 1px solid var(--line); background: #fff; transition: .3s; overflow: hidden; }
.mega-card:hover { border-color: var(--blue); box-shadow: 0 12px 28px rgba(10,50,120,.12); transform: translateY(-4px); }
.mega-card-media { height: 118px; overflow: hidden; background: var(--navy); }
.mega-card-media img { width: 100%; height: 100%; object-fit: cover; }
.mega-card > span { display: block; padding: 14px 16px 4px; font-size: 14px; font-weight: 600; }
.mega-card .arrow { margin: 0 16px 14px; width: 16px; height: 16px; color: var(--blue); }
.header-actions { display: flex; align-items: center; gap: 6px; flex: none; }
.icon-btn {
  display: inline-flex; align-items: center; gap: 7px; height: 38px; padding: 0 10px;
  background: none; border: 0; color: rgba(255,255,255,.8); font-size: 13px;
}
.icon-btn:hover { color: #fff; }
.icon-btn svg { width: 19px; height: 19px; }
.lang-btn { border-left: 1px solid rgba(255,255,255,.18); padding-left: 18px; }
.menu-btn { display: none; width: 40px; height: 40px; background: none; border: 0; padding: 9px; }
.menu-btn span { display: block; height: 2px; background: #fff; margin: 5px 0; transition: .3s; }
body.nav-open .menu-btn span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .menu-btn span:nth-child(2) { opacity: 0; }
body.nav-open .menu-btn span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端菜单 */
.mobile-nav {
  position: fixed; inset: 0; z-index: 99; background: rgba(0,10,30,.96);
  padding-top: calc(var(--header-h) + 56px); overflow-y: auto;
  opacity: 0; visibility: hidden; transition: .3s;
}
body.nav-open .mobile-nav { opacity: 1; visibility: visible; }
.mobile-nav-inner { width: min(600px, calc(100% - 48px)); margin: 0 auto; padding-bottom: 60px; }
.mobile-group { border-bottom: 1px solid rgba(255,255,255,.12); padding: 14px 0; }
.mobile-top { display: block; color: #fff; font-size: 20px; font-weight: 600; padding: 6px 0; }
.mobile-sub { display: block; color: rgba(255,255,255,.6); font-size: 14px; padding: 7px 0 7px 18px; }
.mobile-sub::before { content: "—"; margin-right: 10px; opacity: .5; }
.mobile-contact { display: flex; flex-direction: column; gap: 8px; margin-top: 26px; color: var(--cyan); font-size: 14px; }

/* 搜索弹层 */
.search-modal { position: fixed; inset: 0; z-index: 200; background: rgba(0,10,35,.72); display: none; padding: 12vh 20px 20px; }
.search-modal.open { display: block; }
.search-box { width: min(680px, 100%); margin: 0 auto; background: #fff; border-radius: 4px; padding: 20px 24px; box-shadow: 0 30px 80px rgba(0,0,0,.3); position: relative; }
.search-input { width: 100%; border: 0; border-bottom: 2px solid var(--navy); outline: 0; padding: 12px 40px 12px 0; font-size: 18px; color: var(--ink); }
.search-close { position: absolute; right: 20px; top: 22px; background: none; border: 0; font-size: 18px; color: var(--muted); }
.search-results { margin-top: 14px; max-height: 46vh; overflow-y: auto; }
.search-result { display: flex; align-items: center; gap: 12px; padding: 12px 4px; border-bottom: 1px solid var(--line); font-size: 15px; }
.search-result small { margin-left: auto; color: var(--muted); font-size: 12px; }
.search-result .arrow { width: 16px; height: 16px; color: var(--blue); }
.search-result:hover { color: var(--blue); }
.search-empty { padding: 24px 4px; color: var(--muted); }

/* ---------- 通用排版 ---------- */
.section { padding: 108px 0; position: relative; }
.section-light { background: #fff; }
.section-tint { background: var(--soft); }
.section-dark { background: var(--navy); color: #fff; overflow: hidden; }
.section-head { max-width: 780px; margin-bottom: 54px; }
.section-head.text-c { margin-left: auto; margin-right: auto; }
.eyebrow { font-size: 12px; letter-spacing: .24em; color: var(--blue); font-weight: 600; text-transform: uppercase; margin-bottom: 18px; }
.eyebrow.light { color: var(--cyan); }
.h2 { font-size: clamp(30px, 3.2vw, 48px); line-height: 1.35; font-weight: 700; letter-spacing: .01em; }
.h2.light { color: #fff; }
.lead { margin-top: 22px; color: var(--muted); font-size: 17px; line-height: 1.9; }
.section-dark .lead, .section-dark .h2 { color: #fff; }
.section-dark .lead { color: rgba(255,255,255,.72); }
.row-head { display: flex; align-items: flex-end; justify-content: space-between; max-width: none; gap: 20px; }
.row-head .h2 { margin-top: 0; }
.more-link { display: inline-flex; align-items: center; gap: 10px; color: var(--blue); font-size: 14px; white-space: nowrap; padding-bottom: 8px; }
.more-link:hover .arrow { transform: translateX(5px); }
.btn {
  display: inline-flex; align-items: center; gap: 22px; height: 50px; padding: 0 26px;
  font-size: 14px; letter-spacing: .04em; border: 1px solid transparent; transition: .3s;
  white-space: nowrap;
}
.btn:hover .arrow { transform: translateX(6px); }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: #c92520; box-shadow: 0 10px 26px rgba(232,50,45,.3); }
.btn-outline { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--navy); }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--navy); border-color: #fff; }
.btn-text { padding: 0; height: auto; color: var(--blue); background: none; gap: 12px; }
.btn-text:hover { color: var(--navy); }
.btn .arrow { width: 18px; height: 18px; }
.zoom-img { transition: transform .8s cubic-bezier(.2,.7,.2,1); }
a:hover .zoom-img, .feature-card:hover .zoom-img { transform: scale(1.07); }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.empty { color: var(--muted); padding: 40px 0; text-align: center; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; min-height: 640px; height: calc(100vh - var(--header-h) - 36px);
  background-color: var(--navy); background-size: cover; background-position: center right;
  display: flex; align-items: center; overflow: hidden; color: #fff;
}
.hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,10,32,.94) 0%, rgba(0,16,42,.72) 36%, rgba(0,20,60,.08) 72%),
              linear-gradient(0deg, rgba(0,10,30,.55), transparent 45%);
}
.hero-glow {
  position: absolute; width: 780px; height: 780px; right: -180px; top: -200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(45,140,240,.18), transparent 62%); pointer-events: none;
  animation: breathe 9s ease-in-out infinite;
}
@keyframes breathe { 0%,100% { opacity: .55; transform: scale(1); } 50% { opacity: 1; transform: scale(1.12); } }
.hero-inner { position: relative; z-index: 2; width: min(var(--container), calc(100% - 80px)); }
.hero-content { max-width: 720px; animation: heroUp 1s cubic-bezier(.2,.7,.2,1) both; }
@keyframes heroUp { from { opacity: 0; transform: translateY(36px); } to { opacity: 1; transform: none; } }
.hero-eyebrow { font-size: 12px; letter-spacing: .28em; color: var(--cyan); margin-bottom: 26px; }
.hero-title { font-size: clamp(36px, 4.6vw, 68px); font-weight: 700; line-height: 1.38; letter-spacing: .02em; text-shadow: 0 4px 30px rgba(0,0,0,.3); }
.hero-sub { margin: 26px 0 38px; font-size: 17px; color: rgba(255,255,255,.72); letter-spacing: .05em; }
.hero-scroll { position: absolute; left: 50%; bottom: 34px; transform: translateX(-50%); z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 10px; font-size: 11px; letter-spacing: .18em; color: rgba(255,255,255,.6); }
.hero-scroll i { display: block; width: 1px; height: 44px; background: linear-gradient(rgba(255,255,255,.6), transparent); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0%,100% { opacity: .3; transform: scaleY(.6); transform-origin: top; } 50% { opacity: 1; transform: scaleY(1); transform-origin: top; } }
.hero-ticker { position: absolute; right: 40px; bottom: 40px; z-index: 3; display: flex; gap: 10px; }
.ticker-item { background: rgba(0,15,45,.6); border: 1px solid rgba(255,255,255,.16); backdrop-filter: blur(8px); padding: 10px 16px; font-size: 12px; display: flex; gap: 14px; align-items: center; }
.ticker-item span { color: rgba(255,255,255,.6); }
.ticker-item b { font-size: 15px; }

/* ---------- 企业亮点 ---------- */
.intro-section { background-size: cover; background-position: center; }
.dark-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,12,38,.9), rgba(0,20,60,.82)); }
.intro-inner { position: relative; z-index: 2; }
.intro-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; }
.intro-top .section-head { margin-bottom: 0; }
.intro-actions { padding-bottom: 8px; }
.intro-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 62px; border-top: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.intro-card { position: relative; padding: 38px 28px 42px; border-right: 1px solid rgba(255,255,255,.14); transition: .35s; }
.intro-card:last-child { border-right: 0; }
.intro-card:hover { background: rgba(255,255,255,.06); }
.intro-card-num { font-size: 13px; letter-spacing: .16em; color: var(--cyan); margin-bottom: 26px; }
.intro-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.intro-card p { font-size: 14px; color: rgba(255,255,255,.62); line-height: 1.85; }
.intro-card-line { position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--cyan); transition: width .45s ease; }
.intro-card:hover .intro-card-line { width: 100%; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 60px; }
.stat { text-align: center; }
.stat-num { font-size: clamp(30px, 3vw, 44px); font-weight: 700; color: var(--cyan); line-height: 1.2; }
.stat-label { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 8px; }

/* ---------- 解决方案 ---------- */
.solutions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.solution-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); transition: .35s; }
.solution-card:hover { box-shadow: 0 22px 50px rgba(10,35,90,.14); border-color: transparent; transform: translateY(-6px); }
.solution-media { height: 330px; overflow: hidden; background: var(--navy); }
.solution-media img { width: 100%; height: 100%; object-fit: cover; }
.solution-body { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 26px 26px 30px; }
.solution-body h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.solution-body p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.solution-arrow { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; flex: none; color: var(--blue); transition: .3s; }
.solution-arrow .arrow { width: 17px; height: 17px; }
.solution-card:hover .solution-arrow { background: var(--blue); border-color: var(--blue); color: #fff; }

/* ---------- 投资者关系 / ESG 全幅图 ---------- */
.ir-section, .esg-section { position: relative; min-height: 560px; display: flex; align-items: center; overflow: hidden; }
.ir-media, .esg-media { position: absolute; inset: 0; background-size: cover; background-position: center; }
.ir-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,12,32,.9) 0%, rgba(3,12,32,.72) 45%, rgba(3,12,32,.15) 100%); }
.esg-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,20,25,.86) 0%, rgba(3,20,25,.62) 48%, rgba(3,20,25,.05) 100%); }
.ir-inner, .esg-inner { position: relative; z-index: 2; padding: 90px 0; }
.ir-content, .esg-content { max-width: 640px; color: #fff; }
.ir-content .h2 { margin-bottom: 34px; }
.ir-headline { font-size: clamp(24px, 2.6vw, 36px); font-weight: 600; line-height: 1.55; margin-bottom: 20px; }
.ir-desc { color: rgba(255,255,255,.72); margin-bottom: 34px; font-size: 15px; }
.esg-content p { color: rgba(255,255,255,.8); font-size: 16px; line-height: 2; margin: 24px 0 34px; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); transition: .35s; }
.news-card:hover { transform: translateY(-6px); box-shadow: 0 20px 46px rgba(10,35,90,.13); }
.news-media { position: relative; height: 220px; overflow: hidden; background: var(--navy); }
.news-media img { width: 100%; height: 100%; object-fit: cover; }
.news-cat { position: absolute; left: 0; top: 18px; background: var(--blue); color: #fff; font-size: 12px; padding: 5px 14px; }
.news-body { padding: 26px 26px 30px; display: flex; flex-direction: column; flex: 1; }
.news-date { font-size: 13px; color: var(--muted); letter-spacing: .06em; }
.news-title { font-size: 18px; line-height: 1.6; font-weight: 600; margin: 12px 0 10px; }
.news-summary { font-size: 14px; color: var(--muted); line-height: 1.8; }
.news-more { display: inline-flex; align-items: center; gap: 9px; margin-top: auto; padding-top: 24px; color: var(--blue); font-size: 13px; }
.news-more .arrow { width: 16px; height: 16px; }
.news-card:hover .news-more .arrow { transform: translateX(5px); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 42px; }
.filter-btn { padding: 9px 22px; border: 1px solid var(--line); background: #fff; color: var(--muted); font-size: 14px; border-radius: 30px; transition: .3s; }
.filter-btn:hover, .filter-btn.active { background: var(--navy); border-color: var(--navy); color: #fff; }

/* ---------- 内页公共 ---------- */
.page-hero { position: relative; min-height: 380px; display: flex; align-items: flex-end; background: var(--navy) center/cover no-repeat; color: #fff; }
.page-hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,12,36,.88), rgba(0,20,60,.45)); }
.page-hero-inner { position: relative; z-index: 2; padding: 90px 0 60px; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,.6); display: flex; gap: 12px; margin-bottom: 26px; }
.breadcrumb a:hover { color: #fff; }
.page-hero-title { font-size: clamp(34px, 4vw, 56px); font-weight: 700; line-height: 1.3; }
.page-hero-sub { margin-top: 16px; font-size: 17px; color: rgba(255,255,255,.75); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 76px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { overflow: hidden; height: 440px; background: var(--navy); }
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.split-body .h2 { margin-bottom: 24px; }
.text-block p { color: var(--muted); font-size: 16px; line-height: 2.05; margin-bottom: 18px; }
.card-grid { display: grid; gap: 24px; }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.feature-card { background: #fff; border: 1px solid var(--line); padding: 34px 28px 38px; transition: .35s; }
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 20px 44px rgba(10,35,90,.12); border-color: transparent; }
.feature-media { height: 190px; margin: -34px -28px 28px; overflow: hidden; background: var(--navy); }
.feature-media img { width: 100%; height: 100%; object-fit: cover; }
.feature-num { font-size: 13px; letter-spacing: .18em; color: var(--blue); margin-bottom: 20px; }
.feature-title { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.feature-desc { color: var(--muted); font-size: 14px; line-height: 1.9; }
.timeline { position: relative; max-width: 900px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 96px; top: 10px; bottom: 10px; width: 1px; background: var(--line); }
.timeline-item { display: grid; grid-template-columns: 66px 40px 1fr; gap: 0; align-items: start; padding: 0 0 38px; }
.timeline-year { font-size: 22px; font-weight: 700; color: var(--blue); padding-top: 2px; }
.timeline-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--cyan); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--cyan); margin: 10px auto 0; z-index: 2; }
.timeline-content { padding-left: 26px; }
.timeline-content h3 { font-size: 19px; margin-bottom: 8px; }
.timeline-content p { color: var(--muted); font-size: 14px; }
.positions { max-width: 1000px; margin: 0 auto; border-top: 1px solid var(--line); }
.position-item { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 28px 10px; border-bottom: 1px solid var(--line); transition: .3s; }
.position-item:hover { background: var(--soft); padding-left: 24px; padding-right: 24px; }
.position-item h3 { font-size: 19px; margin-bottom: 8px; }
.position-item p { color: var(--muted); font-size: 14px; }
.position-meta { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 14px; white-space: nowrap; }
.position-meta .arrow { color: var(--blue); }
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.contact-card { border: 1px solid var(--line); padding: 34px 26px; background: #fff; transition: .3s; }
.contact-card:hover { border-color: var(--blue); box-shadow: 0 16px 40px rgba(10,35,90,.1); }
.contact-card h3 { font-size: 19px; margin-bottom: 10px; }
.contact-card p { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.contact-value { color: var(--blue); font-size: 15px; word-break: break-all; }
.cta-strip { background: var(--navy); color: #fff; padding: 62px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-inner .eyebrow { margin-bottom: 10px; }
.cta-inner h2 { font-size: clamp(24px, 2.6vw, 34px); font-weight: 600; }
.cta-links { display: flex; align-items: center; gap: 26px; }
.cta-tel { font-size: 18px; color: rgba(255,255,255,.85); }

/* ---------- 页脚 ---------- */
.footer { background: #000d28; color: rgba(255,255,255,.62); }
.footer-main { display: grid; grid-template-columns: 1.35fr 2.6fr .6fr; gap: 60px; padding: 78px 0 62px; }
.footer-logo { margin-bottom: 24px; }
.footer-slogan { font-size: 15px; line-height: 1.9; max-width: 300px; color: rgba(255,255,255,.7); }
.footer-contact { margin-top: 32px; display: grid; gap: 10px; font-size: 13px; }
.footer-contact p { display: flex; gap: 14px; }
.footer-contact span { color: rgba(255,255,255,.4); min-width: 62px; }
.footer-contact a:hover { color: #fff; }
.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 20px; }
.footer-col a { display: block; font-size: 13px; padding: 6px 0; }
.footer-col a:hover { color: var(--cyan); }
.footer-qr { text-align: center; }
.qr-box { width: 116px; height: 116px; margin: 0 auto 14px; padding: 6px; background: #fff; overflow: hidden; }
.qr-box img { width: 100%; height: 100%; object-fit: cover; }
.footer-qr h4 { color: #fff; font-size: 14px; font-weight: 500; }
.footer-qr p { font-size: 12px; margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; gap: 26px; min-height: 62px; flex-wrap: wrap; }
.footer-bottom a { margin-left: auto; color: rgba(255,255,255,.45); }
.footer-bottom a:hover { color: var(--cyan); }
.backtop { position: fixed; right: 26px; bottom: 26px; z-index: 90; width: 44px; height: 44px; border: 0; background: var(--navy); color: #fff; font-size: 20px; opacity: 0; visibility: hidden; transition: .3s; box-shadow: 0 8px 24px rgba(0,20,60,.28); }
.backtop.show { opacity: 1; visibility: visible; }
.backtop:hover { background: var(--blue); }
.page-loading { padding: 120px 0; text-align: center; color: var(--muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .container, .hero-inner { width: calc(100% - 56px); }
  .nav-link { padding: 0 13px; font-size: 14px; }
  .nav-link::after { left: 13px; right: 13px; }
  .lang-btn span { display: none; }
  .footer-main { gap: 36px; }
  .split { gap: 44px; }
  .mega-inner { gap: 34px; }
}
@media (max-width: 1024px) {
  .nav, .lang-btn { display: none; }
  .menu-btn { display: block; }
  .header-actions { gap: 2px; }
  .hero { height: auto; min-height: 560px; padding: 90px 0 110px; }
  .hero-ticker { display: none; }
  .intro-cards { grid-template-columns: repeat(2, 1fr); }
  .intro-card:nth-child(2) { border-right: 0; }
  .intro-card:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.14); }
  .stat-row { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
  .solutions-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1.6fr; }
  .footer-qr { display: none; }
  .section { padding: 80px 0; }
}
@media (max-width: 768px) {
  :root { --header-h: 66px; }
  .container, .hero-inner { width: calc(100% - 36px); }
  .topbar-left .family-sites { display: none; }
  .stock-pill { padding: 0 9px; gap: 5px; font-size: 11px; }
  .stock-panels { width: min(320px, calc(100vw - 30px)); }
  .logo-mark { width: 34px; height: 34px; }
  .logo-cn { font-size: 17px; }
  .logo-en { font-size: 9px; }
  .hero { min-height: 520px; padding: 72px 0 96px; }
  .hero-title { font-size: clamp(30px, 8vw, 42px); }
  .hero-eyebrow { font-size: 10px; letter-spacing: .14em; line-height: 1.7; }
  .topbar { overflow: hidden; }
  .hero-sub { font-size: 15px; }
  .hero-scroll { bottom: 22px; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 36px; }
  .intro-top { flex-direction: column; align-items: flex-start; }
  .intro-cards { margin-top: 38px; }
  .solutions-grid, .news-grid, .card-grid.cols-4, .card-grid.cols-3, .contact-grid { grid-template-columns: 1fr; }
  .solution-media { height: 250px; }
  .news-media { height: 200px; }
  .split { grid-template-columns: 1fr; gap: 30px; }
  .split.reverse .split-media { order: 0; }
  .split-media { height: 280px; }
  .page-hero { min-height: 300px; }
  .page-hero-inner { padding: 64px 0 44px; }
  .ir-section, .esg-section { min-height: 460px; }
  .ir-inner, .esg-inner { padding: 64px 0; }
  .footer-main { grid-template-columns: 1fr; gap: 40px; padding: 56px 0 42px; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .footer-bottom .container { gap: 10px 20px; padding: 16px 0; }
  .footer-bottom a { margin-left: 0; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .timeline::before { left: 60px; }
  .timeline { padding-left: 0; }
  .timeline-item { grid-template-columns: 50px 22px 1fr; }
  .timeline-content { padding-left: 16px; }
  .position-item { flex-direction: column; align-items: flex-start; gap: 14px; }
  .position-meta { gap: 14px; flex-wrap: wrap; }
  .row-head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .topbar-left { display: none; }
  .topbar-inner { justify-content: flex-end; }
  .stock-pill .stock-code { display: none; }
  .stock-pill:nth-child(n+2) { display: none; }
  .hero-eyebrow { font-size: 9px; letter-spacing: .1em; }
  .hero-title { font-size: clamp(27px, 7.6vw, 36px); }
  .intro-cards, .stat-row { grid-template-columns: 1fr; }
  .intro-card { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .intro-card:last-child { border-bottom: 0; }
  .btn { height: 46px; padding: 0 20px; gap: 14px; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}