/* ==========================================================
   黑龙江优迅科技有限公司 官网 首页样式
   主色：深蓝 #14418F / 青 #12C2E9（取自 LOGO）
   ========================================================== */
:root {
  --c-primary: #14418f;
  --c-primary-dark: #0d2b63;
  --c-cyan: #12c2e9;
  --c-cyan-light: #4fd8f5;
  --grad: linear-gradient(135deg, #14418f 0%, #0e7cc0 55%, #12c2e9 100%);
  --c-text: #1c2b45;
  --c-text-sub: #5b6b84;
  --c-bg-light: #f5f8fc;
  --c-bg-dark: #0a1a33;
  --c-border: #e3eaf4;
  --shadow-card: 0 10px 40px rgba(20, 65, 143, 0.10);
  --radius: 16px;
  --header-h: 84px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  color: var(--c-text);
  background: #fff;
  line-height: 1.7;
  overflow-x: hidden;
}

ul { list-style: none; }
a { text-decoration: none; color: inherit; transition: color .3s; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1650px;
  margin: 0 auto;
  padding: 0 30px;
}

/* ---------- 通用标题 ---------- */
.sec-head { text-align: center; margin-bottom: 60px; }
.sec-head .sec-en {
  display: inline-block;
  font-size: 16px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--c-cyan);
  font-weight: 600;
  margin-bottom: 10px;
}
.sec-head h2 {
  font-size: 40px;
  color: var(--c-text);
  font-weight: 700;
  line-height: 1.3;
}
.sec-head h2 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sec-head .sec-line {
  width: 64px; height: 4px; border-radius: 2px;
  background: var(--grad);
  margin: 18px auto 0;
}
.sec-head p.sec-desc { margin-top: 16px; font-size: 17px; color: var(--c-text-sub); }

/* ---------- 滚动显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(46px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; }
.d3 { transition-delay: .3s; } .d4 { transition-delay: .4s; }
.d5 { transition-delay: .5s; } .d6 { transition-delay: .6s; }

/* ==========================================================
   顶部导航
   ========================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  transition: background .35s, box-shadow .35s, height .35s;
}
.header.scrolled {
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 4px 24px rgba(13, 43, 99, .10);
  height: 70px;
  backdrop-filter: blur(10px);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }

.logo { display: flex; align-items: center; gap: 15px; }
.logo img { height: 50px; width: auto; transition: height .35s; }
.header.scrolled .logo img { height: 42px; }
/* 深色底用白色图形，滚动后白底换彩色图形 */
.logo .mark-c { display: none; }
.header.scrolled .logo .mark-c { display: block; }
.header.scrolled .logo .mark-w { display: none; }
.logo .logo-txt { line-height: 1.2; }
.logo .logo-txt b { display: block; font-size: 22px; color: #fff; letter-spacing: 2px; transition: color .35s; }
.logo .logo-txt span { font-size: 12px; color: rgba(255,255,255,.72); letter-spacing: 1px; transition: color .35s; }
.header.scrolled .logo .logo-txt b { color: var(--c-primary); }
.header.scrolled .logo .logo-txt span { color: var(--c-text-sub); }

.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  position: relative;
  display: block;
  padding: 10px 26px;
  font-size: 17px;
  font-weight: 500;
  color: #fff;
  border-radius: 8px;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 2px;
  width: 0; height: 3px;
  border-radius: 2px;
  background: var(--grad);
  transition: all .3s;
  transform: translateX(-50%);
}
.nav a:hover::after, .nav a.active::after { width: 32px; }
.header.scrolled .nav a { color: var(--c-text); }
.nav a:hover, .nav a.active { color: var(--c-cyan); }

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 26px;
  border-radius: 999px;
  background: var(--grad);
  color: #fff !important;
  font-size: 17px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(18, 194, 233, .35);
  transition: transform .3s, box-shadow .3s;
}
.header-phone:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(18, 194, 233, .5); }

.burger { display: none; background: none; border: 0; cursor: pointer; width: 44px; height: 44px; position: relative; z-index: 1002; }
.burger span { display: block; width: 26px; height: 3px; background: #fff; margin: 5px auto; border-radius: 2px; transition: all .3s; }
.header.scrolled .burger span { background: var(--c-primary); }
.burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ==========================================================
   Banner
   ========================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: radial-gradient(1200px 600px at 75% 20%, #0e4c8f 0%, transparent 60%),
              linear-gradient(128deg, #0a1a33 0%, #0d2b63 48%, #0e6aa8 100%);
  overflow: hidden;
}
#particles { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  padding-top: var(--header-h);
  width: 100%;
}
.hero-txt { flex: 1 1 640px; max-width: 860px; }
.hero-txt .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 22px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  color: #cfe9ff;
  font-size: 16px;
  letter-spacing: 2px;
  background: rgba(255,255,255,.06);
  margin-bottom: 28px;
}
.hero-txt .hero-tag i { width: 8px; height: 8px; border-radius: 50%; background: var(--c-cyan); box-shadow: 0 0 12px var(--c-cyan); animation: blink 1.6s infinite; }
@keyframes blink { 50% { opacity: .35; } }

.hero-txt h1 {
  font-size: 60px;
  line-height: 1.22;
  color: #fff;
  font-weight: 700;
  letter-spacing: 2px;
}
.hero-txt h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #4fd8f5, #9beaff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-txt .hero-sub {
  margin-top: 22px;
  font-size: 19px;
  color: rgba(255,255,255,.78);
  max-width: 640px;
}
.hero-btns { margin-top: 44px; display: flex; gap: 22px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 42px;
  border-radius: 999px;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  transition: all .3s;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 30px rgba(18,194,233,.35); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(18,194,233,.5); }
.btn-ghost { border: 1px solid rgba(255,255,255,.5); color: #fff; background: rgba(255,255,255,.04); }
.btn-ghost:hover { background: rgba(255,255,255,.14); transform: translateY(-3px); }

.hero-visual { flex: 0 1 520px; position: relative; display: flex; justify-content: center; }
.hero-ring {
  position: relative;
  width: 440px; height: 440px;
  --orbit: 200px;   /* 卫星球圆周轨道半径 */
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.hero-ring::before, .hero-ring::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(120, 210, 245, .4);
  animation: spin 26s linear infinite;
}
.hero-ring::after { inset: 46px; border-style: solid; border-color: rgba(120,210,245,.18); animation-duration: 40s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-ring .core {
  width: 196px; height: 196px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid rgba(255,255,255,.9);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  box-shadow: 0 0 60px rgba(18,194,233,.45), 0 14px 40px rgba(4,16,36,.45);
  animation: float 5s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-14px); } }
.hero-ring .core img { width: 54%; height: auto; }
.orb {
  --orb: 37px;      /* 球半径（= 自身宽高的一半），用于居中定位 */
  position: absolute;
  left: 50%; top: 50%;
  width: 74px; height: 74px;
  border-radius: 20px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(6px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: #dff5ff; font-size: 16px; font-weight: 600;
  gap: 2px;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
}
.orb svg { width: 26px; height: 26px; }
/* 5 个服务球按圆周平均分配（每 72° 一个，第 1 个在正上方），
   cos/sin 分量：0°→(1,0)、18°→(.9511,.3090)、54°→(.5878,.8090) */
.orb.o1 { left: calc(50% - var(--orb));        top: calc(50% - var(--orbit) - var(--orb)); }
.orb.o2 { left: calc(50% + var(--orbit) * .9511 - var(--orb)); top: calc(50% - var(--orbit) * .3090 - var(--orb)); }
.orb.o3 { left: calc(50% + var(--orbit) * .5878 - var(--orb)); top: calc(50% + var(--orbit) * .8090 - var(--orb)); }
.orb.o4 { left: calc(50% - var(--orbit) * .5878 - var(--orb)); top: calc(50% + var(--orbit) * .8090 - var(--orb)); }
.orb.o5 { left: calc(50% - var(--orbit) * .9511 - var(--orb)); top: calc(50% - var(--orbit) * .3090 - var(--orb)); }
.orb.o1 { animation: float 6s   ease-in-out       infinite; }
.orb.o2 { animation: float 7s   ease-in-out .6s   infinite; }
.orb.o3 { animation: float 6.5s ease-in-out .3s   infinite; }
.orb.o4 { animation: float 5.5s ease-in-out .9s   infinite; }
.orb.o5 { animation: float 7.5s ease-in-out .45s  infinite; }

.hero-scroll {
  position: absolute;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  z-index: 3;
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  color: rgba(255,255,255,.65);
  font-size: 16px;
}
.hero-scroll i { width: 2px; height: 42px; background: linear-gradient(#fff, transparent); position: relative; overflow: hidden; }
.hero-scroll i::after { content: ""; position: absolute; top: -50%; left: 0; width: 100%; height: 50%; background: var(--c-cyan); animation: drop 1.8s ease-in-out infinite; }
@keyframes drop { to { top: 110%; } }

/* ==========================================================
   核心服务
   ========================================================== */
.services { padding: 110px 0 90px; background: #fff; }
/* 服务数量会随后台增减（当前 5 项）：桌面宽屏一行 5 张，
   ≤1400 一行 3 张、≤1200 两张、≤640 一张 */
.service-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 30px; }
.service-card {
  position: relative;
  width: calc((100% - 120px) / 5);
  display: flex;
  flex-direction: column;
  padding: 46px 28px 42px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: transform .4s, box-shadow .4s;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s;
}
.service-card:hover { transform: translateY(-12px); box-shadow: var(--shadow-card); }
.service-card:hover::before { transform: scaleX(1); }
.service-card .icon {
  width: 84px; height: 84px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(20,65,143,.08), rgba(18,194,233,.14));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 28px;
  transition: all .4s;
}
.service-card:hover .icon { background: var(--grad); transform: rotateY(180deg); }
.service-card .icon svg { width: 42px; height: 42px; stroke: var(--c-primary); transition: stroke .4s; }
.service-card:hover .icon svg { stroke: #fff; }
.service-card h3 { font-size: 22px; margin-bottom: 8px; }
.service-card .en { font-size: 16px; color: var(--c-cyan); letter-spacing: 1px; margin-bottom: 16px; display: block; }
.service-card p { font-size: 16px; color: var(--c-text-sub); margin-bottom: 22px; }
/* 标签贴底：同行卡片等高时，标签与按钮在同一基线上，视觉更整齐 */
.service-card .tags { margin-top: auto; display: flex; flex-wrap: wrap; gap: 10px; }
.service-card .tags span {
  font-size: 16px;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--c-bg-light);
  color: var(--c-primary);
  border: 1px solid var(--c-border);
}

/* ==========================================================
   数据条
   ========================================================== */
.stats { background: var(--grad); padding: 96px 0 80px; }
.stats .sec-head { margin-bottom: 56px; }
.stats .sec-head .sec-en { color: rgba(255,255,255,.85); }
.stats .sec-head h2 { color: #fff; }
.stats .sec-head .sec-desc { color: rgba(255,255,255,.82); }
.stats .sec-head .sec-line { background: rgba(255,255,255,.9); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat { text-align: center; color: #fff; }
.stat b { display: block; font-size: 40px; font-weight: 800; line-height: 1.1; letter-spacing: -.5px; }
.stat b span { font-size: inherit; }          /* 数字 span 继承 b 字号，不受小标题规则影响 */
.stat b i { font-style: normal; font-size: 18px; font-weight: 700; margin-left: 4px; }
.stat > span { font-size: 18px; opacity: .92; letter-spacing: 2px; }  /* 仅小标题文字 */

/* ==========================================================
   合作优势
   ========================================================== */
.adv { padding: 110px 0; background: var(--c-bg-light); position: relative; overflow: hidden; }
.adv::before {
  content: "";
  position: absolute;
  right: -180px; top: -180px;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(18,194,233,.12), transparent 70%);
}
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.adv-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px 34px;
  border: 1px solid var(--c-border);
  display: flex;
  gap: 24px;
  transition: transform .35s, box-shadow .35s;
  position: relative;
}
.adv-item:hover { transform: translateY(-8px); box-shadow: var(--shadow-card); }
.adv-item .num {
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: .9;
}
.adv-item h3 { font-size: 20px; margin-bottom: 10px; }
.adv-item p { font-size: 16px; color: var(--c-text-sub); }

/* ==========================================================
   我们的客户
   ========================================================== */
.clients { padding: 110px 0 100px; background: #fff; }
.client-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
.client-logo {
  height: 120px;
  border: 1px solid var(--c-border);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  filter: grayscale(1);
  opacity: .62;
  transition: all .35s;
  background: #fff;
  padding: 0 10px;
  overflow: hidden;
}
.client-logo:hover { filter: none; opacity: 1; box-shadow: var(--shadow-card); transform: translateY(-6px); }
.client-logo img { max-width: 100%; max-height: 90%; object-fit: contain; display: block; }

/* ==========================================================
   资讯动态
   ========================================================== */
.news { padding: 110px 0; background: var(--c-bg-light); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.news-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-border);
  transition: transform .35s, box-shadow .35s;
  display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-card); }
.news-card .thumb {
  height: 200px;
  position: relative;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.news-card .thumb .bg-deco {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 40px 40px;
}
.news-card .thumb svg { width: 76px; height: 76px; z-index: 1; transition: transform .5s; }
.news-card:hover .thumb svg { transform: scale(1.15) rotate(-6deg); }
.news-card .thumb .cat {
  position: absolute; z-index: 2;
  top: 18px; left: 18px;
  padding: 5px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.92);
  color: var(--c-primary);
  font-size: 16px; font-weight: 600;
}
.news-card .body { padding: 28px 28px 30px; flex: 1; display: flex; flex-direction: column; }
.news-card .meta { display: flex; gap: 20px; font-size: 16px; color: #93a2b8; margin-bottom: 12px; }
.news-card h3 { font-size: 20px; line-height: 1.5; margin-bottom: 12px; }
.news-card:hover h3 { color: var(--c-primary); }
.news-card p { font-size: 16px; color: var(--c-text-sub); flex: 1; }
.news-card .more {
  margin-top: 18px;
  font-size: 16px;
  color: var(--c-cyan);
  font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
}
.news-card:hover .more { gap: 12px; }
.news-more-wrap { text-align: center; margin-top: 52px; }
.btn-outline {
  border: 2px solid var(--c-primary);
  color: var(--c-primary);
  background: transparent;
  padding: 14px 48px;
  border-radius: 999px;
}
.btn-outline:hover { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 10px 30px rgba(18,194,233,.35); transform: translateY(-3px); }

/* ==========================================================
   CTA
   ========================================================== */
.cta { padding: 90px 0; background: linear-gradient(128deg, #0a1a33, #0d2b63 55%, #0e6aa8); position: relative; overflow: hidden; }
.cta::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 70% 50%, #000 20%, transparent 70%);
}
.cta .container { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta h2 { color: #fff; font-size: 38px; letter-spacing: 2px; }
.cta p { color: rgba(255,255,255,.75); font-size: 17px; margin-top: 12px; }
.cta .cta-phone { display: flex; align-items: center; gap: 18px; }
.cta .cta-phone .p-icon {
  width: 66px; height: 66px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.3);
  display: flex; align-items: center; justify-content: center;
  animation: pulse 2.2s infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 14px rgba(255,255,255,.06); } }
.cta .cta-phone .p-icon svg { width: 30px; height: 30px; stroke: #fff; }
.cta .cta-phone b { display: block; color: #fff; font-size: 34px; letter-spacing: 1px; }
.cta .cta-phone span { color: rgba(255,255,255,.7); font-size: 16px; }

/* ==========================================================
   页脚
   ========================================================== */
.footer { background: #071426; color: #9db0c9; }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr .8fr 1.2fr .9fr;
  gap: 50px;
  padding: 80px 0 60px;
}
.footer .f-logo { display: flex; align-items: center; gap: 15px; margin-bottom: 24px; }
.footer .f-logo img { height: 44px; }
.footer .f-logo b { color: #fff; font-size: 22px; letter-spacing: 2px; }
.footer .f-about p { font-size: 16px; line-height: 1.9; }
.footer h4 { color: #fff; font-size: 19px; margin-bottom: 26px; letter-spacing: 2px; position: relative; padding-bottom: 14px; }
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 3px; border-radius: 2px; background: var(--grad); }
.footer .f-nav li { margin-bottom: 14px; }
.footer .f-nav a { font-size: 16px; color: #9db0c9; display: inline-flex; align-items: center; gap: 8px; }
.footer .f-nav a::before { content: "›"; color: var(--c-cyan); font-weight: 700; }
.footer .f-nav a:hover { color: #fff; transform: translateX(4px); }
.f-contact li { display: flex; gap: 14px; margin-bottom: 20px; font-size: 16px; line-height: 1.7; }
.f-contact svg { width: 22px; height: 22px; stroke: var(--c-cyan); flex: none; margin-top: 4px; }
.f-contact b { color: #fff; font-size: 20px; letter-spacing: .5px; }
.footer .f-qr { text-align: center; }
.footer .qr-box {
  width: 158px; height: 158px;
  margin: 0 auto 16px;
  padding: 10px;
  background: #fff;
  border-radius: 12px;
}
.footer .f-qr span { font-size: 16px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 26px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 16px; color: #6b7f9c; }

/* ---------- 回到顶部 ---------- */
.backtop {
  position: fixed;
  right: 34px; bottom: 40px;
  width: 54px; height: 54px;
  border-radius: 50%;
  border: 0; cursor: pointer;
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 26px rgba(18,194,233,.4);
  opacity: 0; visibility: hidden;
  transform: translateY(20px);
  transition: all .35s;
  z-index: 900;
}
.backtop.show { opacity: 1; visibility: visible; transform: none; }
.backtop:hover { transform: translateY(-4px); }
.backtop svg { width: 24px; height: 24px; stroke: #fff; }

/* ==========================================================
   响应式
   ========================================================== */
@media (max-width: 1400px) {
  .hero-txt h1 { font-size: 50px; }
  .hero-ring { width: 380px; height: 380px; --orbit: 172px; }
  .hero-ring .core { width: 166px; height: 166px; }
  .service-grid .service-card { width: calc((100% - 60px) / 3); }
}
@media (max-width: 1200px) {
  .service-grid .service-card { width: calc((100% - 30px) / 2); }
  .client-grid { grid-template-columns: repeat(5, 1fr); gap: 16px; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1.4fr 1fr 1.2fr; }
  .footer .f-qr { grid-column: span 1; }
  .hero-visual { display: none; }
  .nav a { padding: 10px 16px; }
}
@media (max-width: 992px) {
  :root { --header-h: 70px; }
  .nav {
    position: fixed;
    top: 0; right: 0;
    width: min(78vw, 360px);
    height: 100vh;
    background: #0d2b63;
    flex-direction: column;
    align-items: flex-start;
    padding: 110px 36px 40px;
    gap: 6px;
    transform: translateX(100%);
    transition: transform .4s ease;
    box-shadow: -10px 0 40px rgba(0,0,0,.3);
  }
  .nav.open { transform: none; }
  .nav a { color: #fff !important; font-size: 18px; width: 100%; padding: 14px 10px; border-bottom: 1px solid rgba(255,255,255,.08); border-radius: 0; }
  .nav a::after { display: none; }
  .burger { display: block; }
  .header-phone { display: none; }
  .hero { min-height: 100vh; min-height: 100svh; padding: 0 0 70px; }
  .hero-scroll { display: none; }
  .hero-txt h1 { font-size: 42px; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .client-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .client-logo { height: 90px; padding: 0 10px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; }
  .stat b { font-size: 36px; }
  .sec-head h2 { font-size: 32px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 44px 30px; padding: 60px 0 40px; }
}
@media (max-width: 640px) {
  .container { padding-left: 20px; padding-right: 20px; }
  /* 手机端导航 LOGO 与名称文字缩小 */
  .logo { gap: 15px; }
  .logo img { height: 36px; }
  .header.scrolled .logo img { height: 32px; }
  .logo .logo-txt b { font-size: 18px; letter-spacing: 1px; }
  .logo .logo-txt span { font-size: 12px; letter-spacing: .5px; }
  .hero { overflow: hidden; }
  .hero-txt { flex: 1 1 auto; min-width: 0; }
  .hero-txt h1 { font-size: 32px; }
  .hero-txt .hero-sub { font-size: 16px; }
  /* 两个按钮保持一排（与电脑端一致） */
  .hero-btns { gap: 12px; flex-wrap: nowrap; margin-top: 32px; }
  .hero-btns .btn { flex: 1 1 0; min-width: 0; padding: 14px 10px; font-size: 16px; white-space: nowrap; justify-content: center; gap: 6px; }
  .adv-grid, .news-grid { grid-template-columns: 1fr; }
  .service-grid .service-card { width: 100%; }
  .client-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .client-logo { height: 74px; padding: 0 10px; border-radius: 10px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats { padding: 70px 0 60px; }
  .stat b { font-size: 32px; }
  .stat b i { font-size: 18px; }
  .stat > span { font-size: 16px; letter-spacing: 1px; }
  .cta h2 { font-size: 28px; }
  .cta .cta-phone b { font-size: 26px; }
  .footer-top { grid-template-columns: 1fr; }
  .sec-head h2 { font-size: 27px; }
  .sec-head { margin-bottom: 40px; }
  .services, .adv, .clients, .news { padding: 70px 0; }
  .backtop { right: 18px; bottom: 22px; }
}

/* ==========================================================
   内页通用（服务 / 资讯 / 我们 / 联系）
   ========================================================== */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 92px) 0 96px;
  text-align: center;
  overflow: hidden;
  background: radial-gradient(900px 420px at 78% 8%, #0e4c8f 0%, transparent 62%),
              linear-gradient(128deg, #0a1a33 0%, #0d2b63 50%, #0e6aa8 100%);
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse at 50% 38%, #000 18%, transparent 72%);
}
.page-hero::after {
  content: "";
  position: absolute; left: -160px; bottom: -200px;
  width: 560px; height: 560px; border-radius: 50%;
  background: radial-gradient(circle, rgba(18,194,233,.22), transparent 70%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .ph-en {
  display: block; font-size: 16px; font-weight: 600;
  letter-spacing: 6px; text-transform: uppercase;
  color: var(--c-cyan); margin-bottom: 16px;
}
.page-hero h1 { color: #fff; font-size: 52px; font-weight: 700; letter-spacing: 3px; line-height: 1.25; }
.page-hero h1 em { font-style: normal; background: linear-gradient(90deg, #4fd8f5, #9beaff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-hero p { max-width: 860px; margin: 20px auto 0; font-size: 18px; color: rgba(255,255,255,.76); }
.page-hero.compact { padding: calc(var(--header-h) + 62px) 0 66px; }
.page-hero.compact h1 { font-size: 40px; }

.breadcrumb { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 26px; font-size: 16px; color: rgba(255,255,255,.6); }
.breadcrumb a { color: rgba(255,255,255,.82); }
.breadcrumb a:hover { color: var(--c-cyan); }
.breadcrumb i { font-style: normal; color: rgba(255,255,255,.4); }
.breadcrumb span { color: var(--c-cyan); }

/* ---------- 服务页 ---------- */
.svc-detail { padding: 110px 0 30px; background: #fff; }
.svc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 66px; align-items: center; padding: 56px 0; border-bottom: 1px solid var(--c-border); }
.svc-row:last-child { border-bottom: 0; }
.svc-media { position: relative; }
.svc-media .box {
  position: relative; min-height: 360px; border-radius: 24px; overflow: hidden;
  background: linear-gradient(135deg, #0d2b63 0%, #0e6aa8 62%, #12c2e9 140%);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 24px 60px rgba(13,43,99,.26);
}
.svc-media .box::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 44px 44px;
}
.svc-media .box::after {
  content: ""; position: absolute; right: -80px; top: -80px;
  width: 280px; height: 280px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.18), transparent 68%);
}
.svc-media .box > svg { position: relative; z-index: 1; width: 132px; height: 132px; stroke: rgba(255,255,255,.96); transition: transform .5s; }
.svc-row:hover .svc-media .box > svg { transform: scale(1.08) rotate(-5deg); }
.svc-media .no { position: absolute; top: 24px; left: 30px; z-index: 1; font-size: 62px; font-weight: 800; color: rgba(255,255,255,.2); line-height: 1; }
.svc-media .badge {
  position: absolute; left: 30px; bottom: 26px; z-index: 1;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 999px;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.3);
  color: #eaf7ff; font-size: 16px; backdrop-filter: blur(6px);
}
.svc-info .en { font-size: 16px; font-weight: 600; letter-spacing: 3px; color: var(--c-cyan); }
.svc-info h3 { font-size: 30px; margin: 12px 0 18px; color: var(--c-text); }
.svc-info > p { font-size: 17px; color: var(--c-text-sub); }
.svc-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; margin-top: 28px; }
.svc-list li { position: relative; padding-left: 30px; font-size: 16px; color: var(--c-text); }
.svc-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 20px; height: 20px; line-height: 20px; text-align: center;
  border-radius: 50%; font-size: 16px; font-weight: 700; color: #fff;
  background: var(--grad); margin-top: 3px;
}

/* 服务流程 */
.process { padding: 110px 0; background: var(--c-bg-light); position: relative; overflow: hidden; }
.process::before {
  content: ""; position: absolute; left: -160px; top: -160px;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(18,194,233,.12), transparent 70%);
}
.process .container { position: relative; }
.process-grid { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); gap: 22px; }
.process-grid::before {
  content: ""; position: absolute; left: 5%; right: 5%; top: 46px; height: 2px;
  background: linear-gradient(90deg, rgba(20,65,143,.08), rgba(18,194,233,.5), rgba(20,65,143,.08));
}
.step { position: relative; z-index: 1; text-align: center; }
.step .no {
  width: 92px; height: 92px; margin: 0 auto 20px;
  border-radius: 50%; background: #fff; border: 1px solid var(--c-border);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 28px rgba(20,65,143,.08);
  transition: all .35s;
}
.step:hover .no { background: var(--grad); border-color: transparent; transform: translateY(-8px); box-shadow: 0 18px 40px rgba(18,194,233,.35); }
.step .no svg { width: 32px; height: 32px; stroke: var(--c-primary); transition: stroke .35s; }
.step:hover .no svg { stroke: #fff; }
.step .n { display: block; font-size: 16px; font-weight: 700; letter-spacing: 2px; color: var(--c-cyan); margin-bottom: 8px; }
.step h4 { font-size: 19px; margin-bottom: 8px; }
.step p { font-size: 16px; color: var(--c-text-sub); }

/* 服务保障 */
.guarantee { padding: 0 0 110px; background: var(--c-bg-light); }
.guard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.guard-item {
  display: flex; align-items: center; gap: 18px;
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 26px 28px; transition: all .35s;
}
.guard-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: transparent; }
.guard-item svg { width: 34px; height: 34px; stroke: var(--c-cyan); flex: none; }
.guard-item b { display: block; font-size: 18px; }
.guard-item span { font-size: 16px; color: var(--c-text-sub); }

/* ---------- 资讯页 ---------- */
.news-page { padding: 100px 0 110px; background: var(--c-bg-light); }
.news-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 54px; }
.news-tabs button {
  font-family: inherit; cursor: pointer;
  padding: 12px 30px; border-radius: 999px; font-size: 16px;
  border: 1px solid var(--c-border); background: #fff; color: var(--c-text-sub);
  transition: all .3s;
}
.news-tabs button:hover, .news-tabs button.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 24px rgba(18,194,233,.3); }
.news-layout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; }
.news-list { display: flex; flex-direction: column; gap: 28px; }
.news-item {
  display: flex; overflow: hidden;
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  transition: all .35s;
}
.news-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.news-item .thumb {
  position: relative; flex: none; width: 300px; min-height: 216px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.news-item .thumb .bg-deco {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 40px 40px;
}
.news-item .thumb svg { position: relative; z-index: 1; width: 84px; height: 84px; transition: transform .5s; }
.news-item:hover .thumb svg { transform: scale(1.12) rotate(-6deg); }
.news-item .thumb .cat {
  position: absolute; z-index: 2; top: 16px; left: 16px;
  padding: 5px 16px; border-radius: 999px;
  background: rgba(255,255,255,.92); color: var(--c-primary);
  font-size: 16px; font-weight: 600;
}
.news-item .body { flex: 1; padding: 30px 34px; display: flex; flex-direction: column; }
.news-item .meta { display: flex; gap: 20px; font-size: 16px; color: #93a2b8; margin-bottom: 12px; }
.news-item h3 { font-size: 22px; line-height: 1.5; margin-bottom: 12px; transition: color .3s; }
.news-item:hover h3 { color: var(--c-primary); }
.news-item p { flex: 1; font-size: 16px; color: var(--c-text-sub); }
.news-item .more { margin-top: 18px; font-size: 16px; font-weight: 600; color: var(--c-cyan); display: inline-flex; align-items: center; gap: 6px; }
.news-item:hover .more { gap: 12px; }
.news-empty { display: none; padding: 60px 0; text-align: center; font-size: 16px; color: var(--c-text-sub); }

.side-card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 30px 28px; margin-bottom: 26px; }
.side-card h4 { position: relative; font-size: 20px; padding-bottom: 14px; margin-bottom: 22px; border-bottom: 1px solid var(--c-border); }
.side-card h4::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 40px; height: 3px; border-radius: 2px; background: var(--grad); }
.hot-list li { display: flex; gap: 16px; padding: 15px 0; border-bottom: 1px dashed var(--c-border); }
.hot-list li:last-child { padding-bottom: 0; border-bottom: 0; }
.hot-list .idx { flex: none; font-size: 20px; font-weight: 800; line-height: 1.4; color: var(--c-cyan); opacity: .45; }
.hot-list a { font-size: 16px; line-height: 1.6; }
.hot-list a:hover { color: var(--c-primary); }
.hot-list time { display: block; margin-top: 6px; font-size: 16px; color: #93a2b8; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud a { padding: 7px 16px; border-radius: 999px; font-size: 16px; background: var(--c-bg-light); border: 1px solid var(--c-border); color: var(--c-text-sub); }
.tag-cloud a:hover { background: var(--grad); color: #fff; border-color: transparent; }
.side-card.qr-card { text-align: center; }
.side-card.qr-card .qr-box { width: 168px; height: 168px; margin: 0 auto 16px; padding: 10px; background: #fff; border: 1px solid var(--c-border); border-radius: 12px; }
.side-card.qr-card p { font-size: 16px; color: var(--c-text-sub); }

.pagination { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 48px; }
.pagination a {
  min-width: 46px; height: 46px; padding: 0 16px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px; font-size: 16px;
  background: #fff; border: 1px solid var(--c-border); color: var(--c-text-sub);
}
.pagination a:hover, .pagination a.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 22px rgba(18,194,233,.3); }

/* ---------- 关于我们 ---------- */
.about-intro { padding: 110px 0 90px; background: #fff; }
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: center; }
.about-txt .en { font-size: 16px; font-weight: 600; letter-spacing: 3px; color: var(--c-cyan); }
.about-txt h2 { font-size: 36px; margin: 12px 0 24px; }
.about-txt h2 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.about-txt p { font-size: 17px; color: var(--c-text-sub); margin-bottom: 16px; }
.about-feat { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 34px; }
.about-feat div { display: flex; align-items: flex-start; gap: 12px; font-size: 16px; color: var(--c-text); }
.about-feat svg { flex: none; width: 22px; height: 22px; margin-top: 5px; stroke: var(--c-cyan); }
.about-media { position: relative; }
.about-media .main {
  position: relative; min-height: 440px; border-radius: 24px; overflow: hidden;
  background: linear-gradient(135deg, #0d2b63 0%, #0e6aa8 60%, #12c2e9 145%);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 24px 60px rgba(13,43,99,.24);
}
.about-media .main::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 46px 46px;
}
.about-media .main img { position: relative; width: 46%; max-width: 240px; filter: drop-shadow(0 18px 40px rgba(0,0,0,.3)); }
.about-media .float {
  position: absolute; z-index: 2;
  background: #fff; border-radius: 18px; padding: 22px 26px;
  box-shadow: 0 18px 44px rgba(13,43,99,.16);
}
.about-media .float b { display: block; font-size: 32px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.about-media .float span { font-size: 16px; color: var(--c-text-sub); }
.about-media .float.f1 { left: -34px; bottom: 40px; }
.about-media .float.f2 { right: -26px; top: 46px; }

.culture { padding: 110px 0; background: #fff; }
.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.culture-item { padding: 46px 28px; text-align: center; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); transition: all .35s; }
.culture-item:hover { transform: translateY(-10px); box-shadow: var(--shadow-card); border-color: transparent; }
.culture-item .ic { width: 82px; height: 82px; margin: 0 auto 22px; border-radius: 22px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, rgba(20,65,143,.08), rgba(18,194,233,.16)); transition: all .35s; }
.culture-item:hover .ic { background: var(--grad); }
.culture-item .ic svg { width: 38px; height: 38px; stroke: var(--c-primary); transition: stroke .35s; }
.culture-item:hover .ic svg { stroke: #fff; }
.culture-item h4 { font-size: 20px; margin-bottom: 10px; }
.culture-item p { font-size: 16px; color: var(--c-text-sub); }

.team-sec { padding: 0 0 110px; background: #fff; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.team-item { text-align: center; }
.team-item .avatar {
  position: relative; height: 240px; border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(150deg, #0d2b63, #0e6aa8 70%, #12c2e9 150%);
  display: flex; align-items: center; justify-content: center;
  transition: all .35s;
}
.team-item:hover .avatar { transform: translateY(-8px); box-shadow: var(--shadow-card); }
.team-item .avatar svg { width: 84px; height: 84px; stroke: rgba(255,255,255,.9); }
.team-item h4 { font-size: 20px; margin: 20px 0 6px; }
.team-item .role { font-size: 16px; color: var(--c-cyan); font-weight: 600; }
.team-item .desc { font-size: 16px; color: var(--c-text-sub); margin-top: 8px; }

.honor-sec { padding: 100px 0 110px; background: var(--c-bg-light); }
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.honor-item { display: flex; align-items: center; gap: 18px; padding: 28px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); transition: all .35s; }
.honor-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: transparent; }
.honor-item svg { flex: none; width: 36px; height: 36px; stroke: var(--c-cyan); }
.honor-item b { display: block; font-size: 18px; }
.honor-item span { font-size: 16px; color: var(--c-text-sub); }

/* ---------- 联系我们 ---------- */
.contact-sec { padding: 100px 0 110px; background: #fff; }
.contact-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; max-width: 940px; margin: 0 auto 76px; }
.cc-item { padding: 42px 26px; text-align: center; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); transition: all .35s; }
.cc-item:hover { transform: translateY(-8px); box-shadow: var(--shadow-card); border-color: transparent; }
.cc-item .ic { width: 76px; height: 76px; margin: 0 auto 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, rgba(20,65,143,.08), rgba(18,194,233,.16)); transition: all .35s; }
.cc-item:hover .ic { background: var(--grad); }
.cc-item .ic svg { width: 34px; height: 34px; stroke: var(--c-primary); transition: stroke .35s; }
.cc-item:hover .ic svg { stroke: #fff; }
.cc-item h4 { font-size: 19px; margin-bottom: 10px; }
.cc-item p { font-size: 16px; color: var(--c-text-sub); line-height: 1.8; }
.cc-item b { font-size: 18px; color: var(--c-primary); }

.contact-main { display: grid; grid-template-columns: 1.05fr .95fr; gap: 52px; align-items: start; }
.form-box { padding: 46px; background: var(--c-bg-light); border: 1px solid var(--c-border); border-radius: var(--radius); }
.form-box h3 { font-size: 26px; margin-bottom: 10px; }
.form-box .sub { font-size: 16px; color: var(--c-text-sub); margin-bottom: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-item { margin-bottom: 20px; }
.form-item label { display: block; font-size: 16px; font-weight: 500; margin-bottom: 10px; }
.form-item label i { font-style: normal; color: #e0453a; }
.form-item input, .form-item select, .form-item textarea {
  width: 100%; padding: 14px 18px; font-size: 16px; font-family: inherit; color: var(--c-text);
  background: #fff; border: 1px solid var(--c-border); border-radius: 12px;
  transition: border-color .3s, box-shadow .3s;
}
.form-item textarea { min-height: 140px; resize: vertical; }
.form-item input:focus, .form-item select:focus, .form-item textarea:focus { outline: none; border-color: var(--c-cyan); box-shadow: 0 0 0 4px rgba(18,194,233,.12); }
.form-submit { width: 100%; justify-content: center; border: 0; cursor: pointer; font-family: inherit; }
.form-tip { margin-top: 16px; font-size: 16px; color: #93a2b8; text-align: center; }

.contact-side { display: flex; flex-direction: column; gap: 26px; }
.map-box { position: relative; flex: 1; min-height: 330px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--c-border); background: linear-gradient(135deg, #eaf2fb, #dfeefb); }
.map-box .grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(20,65,143,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(20,65,143,.06) 1px, transparent 1px); background-size: 40px 40px; }
.map-box .road { position: absolute; background: rgba(20,65,143,.1); }
.map-box .road.r1 { left: 0; right: 0; top: 42%; height: 14px; }
.map-box .road.r2 { top: 0; bottom: 0; left: 58%; width: 12px; }
.map-box .pin { position: absolute; left: 58%; top: 42%; transform: translate(-50%, -100%); display: flex; flex-direction: column; align-items: center; z-index: 2; }
.map-box .pin svg { width: 44px; height: 44px; stroke: var(--c-primary); filter: drop-shadow(0 8px 14px rgba(20,65,143,.35)); animation: float 3s ease-in-out infinite; }
.map-box .pin span { margin-top: 8px; padding: 6px 14px; border-radius: 999px; background: #fff; font-size: 16px; color: var(--c-primary); box-shadow: 0 6px 18px rgba(20,65,143,.16); white-space: nowrap; }
.map-box .addr { position: absolute; left: 20px; bottom: 20px; right: 20px; padding: 16px 20px; border-radius: 14px; background: rgba(255,255,255,.94); font-size: 16px; color: var(--c-text); box-shadow: 0 10px 30px rgba(20,65,143,.12); z-index: 2; }
.qr-panel { display: flex; align-items: center; gap: 26px; padding: 30px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); }
.qr-panel .qr-box { flex: none; width: 150px; height: 150px; padding: 10px; border-radius: 12px; border: 1px solid var(--c-border); }
.qr-panel h4 { font-size: 20px; margin-bottom: 10px; }
.qr-panel p { font-size: 16px; color: var(--c-text-sub); }

/* ---------- 资讯详情 ---------- */
.article { padding: 80px 0 110px; background: #fff; }
.article-layout { display: grid; grid-template-columns: 1fr 360px; gap: 44px; align-items: start; }
.article-main { min-width: 0; }
.article-main .a-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; font-size: 16px; color: #93a2b8; padding-bottom: 22px; border-bottom: 1px solid var(--c-border); margin-bottom: 34px; }
.article-main .a-meta .cat { padding: 5px 16px; border-radius: 999px; background: linear-gradient(135deg, rgba(20,65,143,.08), rgba(18,194,233,.16)); color: var(--c-primary); font-weight: 600; }
.article-main h1 { font-size: 34px; line-height: 1.45; margin-bottom: 26px; }
.article-body p { font-size: 17px; color: var(--c-text-sub); margin-bottom: 20px; }
.article-body h3 { font-size: 22px; margin: 34px 0 16px; padding-left: 16px; border-left: 4px solid var(--c-cyan); }
.article-body ul { margin: 0 0 20px; }
.article-body ul li { position: relative; padding-left: 26px; font-size: 17px; color: var(--c-text-sub); margin-bottom: 12px; }
.article-body ul li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 8px; height: 8px; border-radius: 50%; background: var(--c-cyan); }
.article-body blockquote { margin: 26px 0; padding: 22px 26px; border-radius: 14px; background: var(--c-bg-light); border-left: 4px solid var(--c-cyan); font-size: 17px; color: var(--c-text); }
.article-nav { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 46px; padding-top: 30px; border-top: 1px solid var(--c-border); font-size: 16px; }
.article-nav a { color: var(--c-text-sub); max-width: 46%; }
.article-nav a:hover { color: var(--c-cyan); }
.article-nav b { display: block; font-size: 16px; color: var(--c-text); margin-bottom: 6px; }

/* ---------- 内页响应式 ---------- */
@media (max-width: 1400px) {
  .page-hero h1 { font-size: 46px; }
}
@media (max-width: 1200px) {
  .svc-row { gap: 44px; }
  .svc-media .box { min-height: 320px; }
  .news-layout, .article-layout { grid-template-columns: 1fr; }
  .news-side { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
  .news-side .side-card { margin-bottom: 0; }
  .contact-main { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 50px; }
  .process-grid { grid-template-columns: repeat(3, 1fr); gap: 40px 26px; }
  .process-grid::before { display: none; }
}
@media (max-width: 992px) {
  .page-hero { padding: calc(var(--header-h) + 64px) 0 70px; }
  .page-hero h1 { font-size: 38px; }
  .page-hero .ph-en { letter-spacing: 4px; }
  .svc-row { grid-template-columns: 1fr; gap: 34px; padding: 46px 0; }
  .svc-row .svc-media { order: -1; }
  .svc-media .box { min-height: 260px; }
  .svc-media .box > svg { width: 96px; height: 96px; }
  .svc-list { grid-template-columns: 1fr; }
  .culture-grid, .team-grid, .honor-grid, .guard-grid, .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .news-side { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .page-hero h1 { font-size: 28px; letter-spacing: 1px; }
  .page-hero p { font-size: 16px; }
  .page-hero.compact { padding: calc(var(--header-h) + 44px) 0 48px; }
  .page-hero.compact h1 { font-size: 24px; }
  .svc-info h3 { font-size: 24px; }
  .svc-media .no { font-size: 46px; }
  .news-item { flex-direction: column; }
  .news-item .thumb { width: 100%; min-height: 180px; }
  .news-item .body { padding: 24px 22px 26px; }
  .news-item h3 { font-size: 19px; }
  .process-grid { grid-template-columns: 1fr; gap: 30px; }
  .culture-grid, .team-grid, .honor-grid, .guard-grid, .contact-cards { grid-template-columns: 1fr; }
  .form-box { padding: 28px 22px; }
  .form-row { grid-template-columns: 1fr; }
  .about-media .float { position: static; margin-top: 16px; }
  .about-media .float.f1, .about-media .float.f2 { left: auto; right: auto; top: auto; }
  .about-feat { grid-template-columns: 1fr; }
  .article-main h1 { font-size: 24px; }
  .qr-panel { flex-direction: column; text-align: center; }
}

/* ================= 后台数据渲染补充（2026-10-13） ================= */
/* 资讯缩略图支持后台配图 */
.thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
/* 二维码支持后台图片 */
.qr-box img { width: 100%; height: 100%; object-fit: contain; display: block; border-radius: 6px; }
/* 合作伙伴：无图时显示文字，有链接时去掉下划线 */
.client-logo { text-decoration: none; }
.client-logo:hover { text-decoration: none; }
.client-logo b { font-size: 17px; font-weight: 600; color: var(--c-text); text-align: center; line-height: 1.35; }
/* 后台插入的正文段落 */
.about-body p { font-size: 17px; color: var(--c-text-sub); margin-bottom: 16px; }
.about-body h3 { font-size: 20px; margin: 22px 0 10px; }