/* ============================================================
   德玛锐航（西安）科技有限公司 官网全局样式
   设计系统：深蓝 #0A1F44 / 科技蓝 #1B6FE0 / 浅蓝 #EAF3FF
   ============================================================ */

:root {
  --navy-900: #06142e;
  --navy-800: #0a1f44;
  --navy-700: #102a5c;
  --blue-600: #1b6fe0;
  --blue-500: #2f8bff;
  --blue-400: #5aa8ff;
  --blue-200: #b9d8ff;
  --blue-100: #dceaff;
  --blue-50:  #eaf3ff;
  --cyan:     #35c5ff;
  --ink:      #1c2b45;
  --ink-2:    #4a5b7a;
  --ink-3:    #7c8ca8;
  --white:    #ffffff;
  --line:     #dbe7f7;
  --radius:   14px;
  --shadow-sm: 0 4px 16px rgba(10, 31, 68, .08);
  --shadow-md: 0 12px 36px rgba(10, 31, 68, .12);
  --shadow-lg: 0 24px 64px rgba(10, 31, 68, .18);
  --grad-main: linear-gradient(120deg, #1b6fe0 0%, #35c5ff 100%);
  --grad-deep: linear-gradient(135deg, #06142e 0%, #0a1f44 45%, #123a7e 100%);
  --font: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
p, li { text-wrap: pretty; }
.container { width: min(1200px, 92%); margin: 0 auto; }

::selection { background: var(--blue-500); color: #fff; }

/* ---------- 通用排版 ---------- */
.section { padding: 96px 0; }
.section--tint { background: linear-gradient(180deg, #f6faff 0%, #eaf3ff 100%); }
.section--dark { background: var(--grad-deep); color: #dceaff; }

.sec-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.sec-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: .28em; font-weight: 600;
  color: var(--blue-600); text-transform: uppercase; margin-bottom: 14px;
}
.sec-eyebrow::before, .sec-eyebrow::after {
  content: ""; width: 28px; height: 1px; background: var(--blue-400);
}
.sec-title { font-size: clamp(26px, 3.4vw, 40px); font-weight: 700; color: var(--navy-800); letter-spacing: .02em; }
.section--dark .sec-title { color: #fff; }
.sec-desc { margin-top: 16px; color: var(--ink-2); font-size: 16px; }
.section--dark .sec-desc { color: #a9c4ee; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .35s, box-shadow .35s, backdrop-filter .35s;
}
.site-header .nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 78px;
}
.site-header.is-solid {
  background: rgba(6, 20, 46, .86);
  backdrop-filter: blur(14px);
  box-shadow: 0 6px 24px rgba(6, 20, 46, .35);
}
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand img {
  height: 46px; width: auto;
  background: #ffffff; border-radius: 10px; padding: 3px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .35);
}
.brand-text { line-height: 1.25; }
.brand-text b { font-size: 18px; letter-spacing: .12em; display: block; }
.brand-text span { font-size: 10px; letter-spacing: .42em; color: var(--blue-200); }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav > li > a {
  position: relative; display: block; padding: 28px 16px;
  color: #e6f0ff; font-size: 15px; letter-spacing: .04em;
  transition: color .25s;
}
.main-nav > li > a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 18px;
  height: 2px; border-radius: 2px; background: var(--grad-main);
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.main-nav > li > a:hover, .main-nav > li.active > a { color: #fff; }
.main-nav > li > a:hover::after, .main-nav > li.active > a::after { transform: scaleX(1); }

/* 下拉菜单 */
.has-sub { position: relative; }
.has-sub .submenu {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 12px);
  min-width: 220px; padding: 10px; border-radius: 12px;
  background: rgba(10, 31, 68, .96); backdrop-filter: blur(10px);
  border: 1px solid rgba(90, 168, 255, .25); box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transition: .28s;
}
.has-sub:hover .submenu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.submenu a {
  display: block; padding: 10px 16px; border-radius: 8px;
  color: #cfe3ff; font-size: 14px; transition: .2s;
}
.submenu a:hover { background: rgba(47, 139, 255, .18); color: #fff; padding-left: 22px; }

.nav-cta {
  margin-left: 14px; padding: 10px 24px; border-radius: 999px;
  background: var(--grad-main); color: #fff !important; font-weight: 600;
  box-shadow: 0 6px 18px rgba(47, 139, 255, .4); transition: .3s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(47, 139, 255, .55); }
.nav-cta::after { display: none; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: #fff; margin: 6px 0; transition: .3s; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  background: var(--grad-deep); color: #fff; overflow: hidden;
}
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 78% 20%, rgba(53, 197, 255, .22), transparent 65%),
    radial-gradient(45% 45% at 12% 82%, rgba(27, 111, 224, .3), transparent 60%);
}
.hero-inner { position: relative; z-index: 2; padding: 118px 0 60px; max-width: 780px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 999px; font-size: 13px; letter-spacing: .18em;
  color: var(--blue-200); border: 1px solid rgba(90,168,255,.35);
  background: rgba(27,111,224,.12); backdrop-filter: blur(6px);
}
.hero-tag i { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.hero h1 {
  margin: 22px 0 18px; font-size: clamp(32px, 5.2vw, 58px);
  line-height: 1.22; font-weight: 800; letter-spacing: .02em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #5aa8ff 10%, #35c5ff 55%, #9fe3ff 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { max-width: 620px; color: #b9d2f5; font-size: 17px; }
.hero-actions { display: flex; gap: 18px; margin-top: 34px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 36px; border-radius: 999px; font-weight: 600; font-size: 15px;
  letter-spacing: .06em; transition: .3s; cursor: pointer; border: 0;
}
.btn-primary { background: var(--grad-main); color: #fff; box-shadow: 0 10px 30px rgba(47,139,255,.45); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(47,139,255,.6); }
.btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.4); background: rgba(255,255,255,.06); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,.16); transform: translateY(-3px); }
.btn .arr { transition: transform .3s; }
.btn:hover .arr { transform: translateX(5px); }

.hero-stats {
  position: relative; z-index: 2;
  display: flex; gap: clamp(24px, 5vw, 72px); margin-top: 40px; flex-wrap: wrap;
}
.hero-stats .stat b {
  display: inline-block; white-space: nowrap;
  font-size: clamp(30px, 3.6vw, 46px); font-weight: 800;
  background: linear-gradient(120deg, #fff, #9fd0ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-stats .stat b sup { font-size: .5em; }
.hero-stats .stat > span { display: block; margin-top: 4px; font-size: 13px; letter-spacing: .14em; color: #8fb4e8; }

.scroll-hint {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%);
  z-index: 2; width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.45);
  border-radius: 14px;
}
.scroll-hint::before {
  content: ""; position: absolute; left: 50%; top: 8px; width: 4px; height: 8px;
  margin-left: -2px; border-radius: 4px; background: #fff; animation: wheel 1.8s infinite;
}
@keyframes wheel { 60% { transform: translateY(14px); opacity: 0; } 100% { transform: translateY(14px); opacity: 0; } }

/* ---------- 页头横幅（内页） ---------- */
.page-banner {
  position: relative; padding: 190px 0 110px;
  background: var(--grad-deep); color: #fff; overflow: hidden;
}
.page-banner::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(55% 60% at 82% 18%, rgba(53,197,255,.25), transparent 65%),
    radial-gradient(40% 50% at 8% 90%, rgba(27,111,224,.35), transparent 60%);
}
.page-banner .grid-lines {
  position: absolute; inset: 0; opacity: .16;
  background-image:
    linear-gradient(rgba(90,168,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90,168,255,.5) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 80% at 50% 40%, #000 30%, transparent 100%);
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { font-size: clamp(30px, 4.4vw, 48px); font-weight: 800; letter-spacing: .04em; }
.page-banner .en { margin-top: 8px; font-size: 13px; letter-spacing: .5em; color: var(--blue-200); text-transform: uppercase; }
.page-banner p { margin-top: 18px; max-width: 640px; color: #b9d2f5; }
.breadcrumb { margin-top: 26px; font-size: 13px; color: #8fb4e8; }
.breadcrumb a:hover { color: #fff; }

/* ---------- 卡片网格 ---------- */
.cards { display: grid; gap: 26px; }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative; background: #fff; border-radius: var(--radius);
  padding: 38px 32px; border: 1px solid var(--line);
  box-shadow: var(--shadow-sm); overflow: hidden;
  transition: transform .35s, box-shadow .35s, border-color .35s;
}
.card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: var(--grad-main); transform: scaleX(0); transform-origin: left;
  transition: transform .4s;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: var(--blue-200); }
.card:hover::before { transform: scaleX(1); }
.card .icon {
  width: 60px; height: 60px; border-radius: 16px; margin-bottom: 22px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #eaf3ff, #d5e8ff);
  color: var(--blue-600); transition: .35s;
}
.card:hover .icon { background: var(--grad-main); color: #fff; transform: rotate(-6deg) scale(1.06); }
.card .icon svg { width: 30px; height: 30px; }
.card h3 { font-size: 19px; color: var(--navy-800); margin-bottom: 12px; }
.card p { font-size: 14.5px; color: var(--ink-2); }
.card .more {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 18px;
  font-size: 14px; font-weight: 600; color: var(--blue-600);
}
.card .more::after { content: "→"; transition: transform .3s; }
.card:hover .more::after { transform: translateX(5px); }

/* ---------- 首页 关于版块 ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: center; }
.about-visual { position: relative; }
.about-visual .frame {
  border-radius: 22px; overflow: hidden; box-shadow: var(--shadow-lg);
  background: var(--grad-deep); aspect-ratio: 4 / 3.1;
  display: grid; place-items: center; position: relative;
}
.about-visual .frame img { width: 62%; filter: drop-shadow(0 12px 30px rgba(0,0,0,.45)); }
.about-visual .frame::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(70% 60% at 70% 20%, rgba(53,197,255,.18), transparent 60%);
}
.about-visual .frame--light { background: linear-gradient(150deg, #ffffff 30%, #dceaff 100%); aspect-ratio: 1 / 1.02; }
.about-visual .frame--light img { width: 72%; height: auto; filter: drop-shadow(0 12px 26px rgba(10,31,68,.18)); }
.about-visual .float-badge {
  position: absolute; right: -18px; bottom: 34px;
  background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  border-radius: 16px; padding: 18px 24px; box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
}
.float-badge b { font-size: 26px; color: var(--blue-600); }
.float-badge span { display: block; font-size: 12.5px; color: var(--ink-3); letter-spacing: .1em; }
.about-copy .sec-eyebrow { margin-bottom: 10px; }
.about-copy h2 { font-size: clamp(26px, 3vw, 36px); color: var(--navy-800); line-height: 1.35; margin-bottom: 20px; }
.about-copy h2 em { font-style: normal; color: var(--blue-600); }
.about-copy p { color: var(--ink-2); margin-bottom: 16px; font-size: 15.5px; }
.about-points { margin: 26px 0 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 26px; }
.about-points li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--ink); font-weight: 500; }
.about-points li::before {
  content: ""; flex: 0 0 auto; width: 18px; height: 18px; margin-top: 4px; border-radius: 50%;
  background: var(--grad-main);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/70% no-repeat, linear-gradient(#000,#000);
  -webkit-mask-composite: destination-out; mask-composite: exclude;
}

/* ---------- 行业应用（Tab/列表） ---------- */
.ind-tabs { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 44px; }
.ind-tab {
  padding: 11px 26px; border-radius: 999px; font-size: 15px; cursor: pointer;
  color: #cfe3ff; border: 1px solid rgba(90,168,255,.3); background: rgba(255,255,255,.04);
  transition: .3s; letter-spacing: .05em;
}
.ind-tab:hover { border-color: var(--blue-400); color: #fff; }
.ind-tab.active { background: var(--grad-main); color: #fff; border-color: transparent; box-shadow: 0 8px 22px rgba(47,139,255,.45); }
.ind-panel { display: none; }
.ind-panel.active { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; animation: fadeUp .5s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } }
.ind-panel h3 { font-size: 26px; color: #fff; margin-bottom: 16px; }
.ind-panel p { color: #a9c4ee; font-size: 15.5px; margin-bottom: 14px; }
.ind-panel ul { margin-top: 18px; display: grid; gap: 12px; }
.ind-panel ul li { display: flex; gap: 12px; align-items: flex-start; color: #cfe3ff; font-size: 15px; }
.ind-panel ul li::before { content: "▹"; color: var(--cyan); font-size: 17px; line-height: 1.5; }
.ind-visual {
  border-radius: 18px; min-height: 320px; position: relative; overflow: hidden;
  background: linear-gradient(150deg, rgba(27,111,224,.28), rgba(53,197,255,.1));
  border: 1px solid rgba(90,168,255,.3); display: grid; place-items: center;
}
.ind-visual .glyph { font-size: 96px; filter: drop-shadow(0 10px 30px rgba(53,197,255,.4)); }
.ind-visual::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(90,168,255,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(90,168,255,.18) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ---------- 数字带 ---------- */
.num-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.num-band .num b { display: inline-block; white-space: nowrap; font-size: clamp(34px, 4vw, 52px); font-weight: 800; color: #fff; }
.num-band .num b i { font-style: normal; color: var(--cyan); font-size: .6em; margin-left: 2px; }
.num-band .num > span { display: block; margin-top: 6px; font-size: 14px; letter-spacing: .12em; color: #8fb4e8; }

/* ---------- 新闻卡片 ---------- */
.news-card { display: flex; flex-direction: column; background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: .35s; }
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.news-cover { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--grad-deep); display: grid; place-items: center; color: rgba(255,255,255,.9); }
.news-cover .cover-deco { position: absolute; inset: 0; background: radial-gradient(70% 80% at 75% 20%, rgba(53,197,255,.3), transparent 60%); }
.news-cover .cover-tag { position: relative; z-index: 1; font-size: 15px; letter-spacing: .3em; font-weight: 600; }
.news-body { padding: 26px 26px 30px; display: flex; flex-direction: column; flex: 1; }
.news-date { font-size: 13px; color: var(--blue-600); font-weight: 600; letter-spacing: .08em; }
.news-body h3 { margin: 10px 0 12px; font-size: 17.5px; color: var(--navy-800); line-height: 1.5; transition: color .25s; }
.news-card:hover .news-body h3 { color: var(--blue-600); }
.news-body p { font-size: 14px; color: var(--ink-2); flex: 1; }
.news-body .more { margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--blue-600); }

/* 新闻列表页 */
.news-list { display: grid; gap: 22px; }
.news-row {
  display: grid; grid-template-columns: 150px 1fr auto; gap: 30px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 34px; transition: .3s; cursor: pointer;
}
.news-row:hover { border-color: var(--blue-200); box-shadow: var(--shadow-md); transform: translateX(6px); }
.news-row .date { text-align: center; border-right: 1px solid var(--line); padding-right: 26px; }
.news-row .date b { display: block; font-size: 30px; color: var(--navy-800); line-height: 1.1; }
.news-row .date span { font-size: 13px; color: var(--ink-3); }
.news-row h3 { font-size: 17.5px; color: var(--navy-800); margin-bottom: 8px; transition: color .25s; }
.news-row:hover h3 { color: var(--blue-600); }
.news-row p { font-size: 14px; color: var(--ink-2); }
.news-row .arrow { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; color: var(--blue-600); transition: .3s; }
.news-row:hover .arrow { background: var(--grad-main); color: #fff; border-color: transparent; transform: rotate(-45deg); }

/* ---------- 时间线（发展历程） ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 40px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--blue-500), var(--cyan)); border-radius: 2px; }
.tl-item { position: relative; padding: 0 0 42px 28px; }
.tl-item::before {
  content: ""; position: absolute; left: -40px; top: 6px; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; border: 4px solid var(--blue-500);
  box-shadow: 0 0 0 5px rgba(47,139,255,.15);
}
.tl-item .year { font-size: 22px; font-weight: 800; color: var(--blue-600); }
.tl-item h4 { font-size: 17px; color: var(--navy-800); margin: 6px 0; }
.tl-item p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 文化价值观 ---------- */
.value-card { text-align: center; padding: 44px 28px; }
.value-card .v-glyph {
  width: 74px; height: 74px; margin: 0 auto 22px; border-radius: 50%;
  display: grid; place-items: center; font-size: 26px; font-weight: 800; color: #fff;
  background: var(--grad-main); box-shadow: 0 10px 26px rgba(47,139,255,.4);
}
.value-card h3 { margin-bottom: 10px; }

/* ---------- 荣誉/资质 占位 ---------- */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.honor-item {
  aspect-ratio: 4/3; border-radius: var(--radius); border: 1px dashed var(--blue-200);
  background: #f6faff; display: grid; place-items: center; text-align: center;
  color: var(--ink-3); font-size: 14px; padding: 20px; transition: .3s;
}
.honor-item:hover { border-color: var(--blue-400); color: var(--blue-600); background: #eef6ff; }

/* ---------- 招聘 ---------- */
.job-list { display: grid; gap: 18px; }
.job-row {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 32px; transition: .3s;
}
.job-row:hover { box-shadow: var(--shadow-md); border-color: var(--blue-200); }
.job-head { display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; cursor: pointer; }
.job-head h3 { font-size: 18px; color: var(--navy-800); }
.job-meta { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.job-meta span {
  font-size: 12.5px; padding: 4px 12px; border-radius: 999px;
  background: var(--blue-50); color: var(--blue-600); border: 1px solid var(--blue-100);
}
.job-toggle { color: var(--blue-600); font-size: 22px; transition: transform .3s; }
.job-row.open .job-toggle { transform: rotate(45deg); }
.job-detail { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.job-row.open .job-detail { max-height: 600px; }
.job-detail-inner { padding-top: 20px; border-top: 1px dashed var(--line); margin-top: 20px; }
.job-detail h4 { font-size: 15px; color: var(--navy-800); margin: 14px 0 8px; }
.job-detail ul { padding-left: 20px; list-style: disc; color: var(--ink-2); font-size: 14.5px; }
.job-apply { margin-top: 16px; display: inline-block; padding: 10px 28px; border-radius: 999px; background: var(--grad-main); color: #fff; font-size: 14px; font-weight: 600; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: start; }
.contact-info-item { display: flex; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.contact-info-item:last-child { border-bottom: 0; }
.contact-info-item .icon {
  flex: 0 0 auto; width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, #eaf3ff, #d5e8ff); color: var(--blue-600);
  display: grid; place-items: center;
}
.contact-info-item .icon svg { width: 26px; height: 26px; }
.contact-info-item h4 { font-size: 16px; color: var(--navy-800); margin-bottom: 4px; }
.contact-info-item p { font-size: 14.5px; color: var(--ink-2); }

.contact-form { background: #fff; border-radius: 20px; padding: 44px; box-shadow: var(--shadow-md); border: 1px solid var(--line); }
.contact-form h3 { font-size: 22px; color: var(--navy-800); margin-bottom: 8px; }
.contact-form > p { font-size: 14px; color: var(--ink-3); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 13px 16px; border-radius: 10px; font-size: 14.5px;
  border: 1px solid var(--line); background: #f8fbff; font-family: inherit;
  transition: border-color .25s, box-shadow .25s; color: var(--ink);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 4px rgba(47,139,255,.12); background: #fff;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; justify-content: center; }
.form-note { margin-top: 14px; font-size: 12.5px; color: var(--ink-3); text-align: center; }

.map-placeholder {
  margin-top: 56px; border-radius: 20px; overflow: hidden; position: relative;
  height: 380px; background: var(--grad-deep); border: 1px solid var(--line);
}
.map-placeholder .grid-lines {
  position: absolute; inset: 0; opacity: .25;
  background-image: linear-gradient(rgba(90,168,255,.5) 1px, transparent 1px), linear-gradient(90deg, rgba(90,168,255,.5) 1px, transparent 1px);
  background-size: 44px 44px;
}
.map-pin { position: absolute; left: 50%; top: 46%; transform: translate(-50%, -100%); text-align: center; color: #fff; }
.map-pin .pin-dot { width: 18px; height: 18px; margin: 0 auto; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); background: var(--cyan); box-shadow: 0 0 24px var(--cyan); animation: pinPulse 2s infinite; }
@keyframes pinPulse { 50% { box-shadow: 0 0 40px var(--cyan); } }
.map-pin b { display: block; margin-top: 14px; font-size: 16px; }
.map-pin span { font-size: 13px; color: #a9c4ee; }

/* ---------- CTA 横幅 ---------- */
.cta-band { position: relative; padding: 90px 0; background: var(--grad-deep); color: #fff; overflow: hidden; text-align: center; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 70% at 50% 110%, rgba(53,197,255,.3), transparent 65%); }
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(26px, 3.4vw, 40px); margin-bottom: 16px; }
.cta-band p { color: #a9c4ee; margin-bottom: 36px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #050f24; color: #93a9cf; padding: 76px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 56px; }
.footer-brand img {
  height: 48px; margin-bottom: 18px;
  background: #ffffff; border-radius: 10px; padding: 4px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .4);
}
.footer-brand p { font-size: 13.5px; line-height: 1.9; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 20px; letter-spacing: .06em; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: var(--grad-main); border-radius: 2px; }
.footer-col ul { display: grid; gap: 12px; font-size: 14px; }
.footer-col a:hover { color: var(--cyan); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.footer-contact li i { color: var(--cyan); font-style: normal; }
.footer-bottom {
  border-top: 1px solid rgba(147,169,207,.14); padding: 22px 0;
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  font-size: 13px; color: #66799e;
}
.footer-bottom a:hover { color: var(--cyan); }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s cubic-bezier(.2,.7,.3,1), transform .8s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .1s; } .reveal-d2 { transition-delay: .2s; }
.reveal-d3 { transition-delay: .3s; } .reveal-d4 { transition-delay: .4s; }

/* ---------- 新闻详情页 ---------- */
.article { max-width: 820px; margin: 0 auto; }
.article-head { border-bottom: 1px solid var(--line); padding-bottom: 30px; margin-bottom: 36px; }
.article-head h1 { font-size: clamp(24px, 3vw, 34px); color: var(--navy-800); line-height: 1.4; }
.article-meta { display: flex; gap: 20px; margin-top: 16px; font-size: 13.5px; color: var(--ink-3); }
.article-meta .tag { color: var(--blue-600); font-weight: 600; padding: 3px 12px; background: var(--blue-50); border-radius: 999px; border: 1px solid var(--blue-100); }
.article-body p { margin-bottom: 22px; font-size: 16px; line-height: 2; color: var(--ink); }
.article-body strong { color: var(--navy-800); }
.article-quote {
  margin: 28px 0; padding: 24px 28px; border-left: 4px solid var(--blue-500);
  background: var(--blue-50); border-radius: 0 12px 12px 0; color: var(--navy-700);
  font-size: 16px; line-height: 1.9;
}
.article-foot { margin-top: 44px; padding-top: 26px; border-top: 1px dashed var(--line); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  width: 48px; height: 48px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--grad-main); color: #fff; font-size: 20px;
  box-shadow: 0 10px 26px rgba(47,139,255,.5);
  opacity: 0; visibility: hidden; transform: translateY(14px); transition: .35s;
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { transform: translateY(-4px); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .cards-3 { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .ind-panel.active { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .num-band { grid-template-columns: repeat(2, 1fr); gap: 40px 16px; }
  .contact-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 68px 0; }
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 78px 0 auto 0; flex-direction: column; align-items: stretch;
    background: rgba(6, 20, 46, .97); backdrop-filter: blur(14px);
    padding: 12px 4% 28px; gap: 0; max-height: calc(100vh - 78px); overflow-y: auto;
    transform: translateY(-12px); opacity: 0; visibility: hidden; transition: .3s;
    border-bottom: 1px solid rgba(90,168,255,.25);
  }
  .main-nav.open { transform: none; opacity: 1; visibility: visible; }
  .main-nav > li > a { padding: 14px 10px; font-size: 16px; }
  .main-nav > li > a::after { display: none; }
  .has-sub .submenu { position: static; transform: none; opacity: 1; visibility: visible; background: transparent; border: 0; box-shadow: none; padding: 0 0 0 18px; }
  .nav-cta { margin: 14px 10px 0; text-align: center; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .cards-2, .cards-3, .cards-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .news-row { grid-template-columns: 1fr; gap: 14px; }
  .news-row .date { border-right: 0; text-align: left; padding-right: 0; display: flex; align-items: baseline; gap: 10px; }
  .news-row .arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-visual .float-badge { right: 8px; }
  .contact-form { padding: 30px 22px; }
  .hero-inner { padding: 140px 0 100px; }
}