/* 超帆科技 官网样式 —— 简约商务 */
:root {
  --primary: #1f3a68;
  --primary-dark: #132644;
  --accent: #2f6fde;
  --accent-2: #5b9bff;
  --text: #1f2933;
  --text-2: #52606d;
  --text-3: #8492a6;
  --line: #e4e8ee;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --radius: 10px;
  --max: 1200px;
  --shadow: 0 10px 30px rgba(31, 58, 104, 0.10);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text); background: var(--bg);
  line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased;
  overflow-x: clip; /* 防止进场动画的横向位移撑出滚动条 */
}
:lang(ja) body, body:lang(ja) { font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Meiryo", "Noto Sans JP", sans-serif; }
:lang(zh-Hant) body, body:lang(zh-Hant) { font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif; }
:lang(en) body, body:lang(en) { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font: inherit; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---------- 顶部导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px); -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent; transition: box-shadow .3s, border-color .3s;
}
.header.scrolled { border-color: var(--line); box-shadow: 0 4px 20px rgba(31,58,104,.06); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { width: 40px; height: 40px; transition: transform .5s var(--ease); }
.logo:hover img { transform: translateY(-2px) rotate(-4deg); }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 19px; font-weight: 600; color: var(--primary); letter-spacing: 2px; }
.logo-text small { font-size: 10px; color: var(--text-3); letter-spacing: 2.6px; }

.nav { display: flex; align-items: center; gap: 34px; flex-shrink: 0; white-space: nowrap; }
.nav a { font-size: 15px; color: var(--text-2); position: relative; padding: 24px 0; transition: color .2s; }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 16px; height: 2px; background: var(--accent);
  transform: scaleX(0); transition: transform .3s var(--ease);
}
.nav a:hover, .nav a.active { color: var(--primary); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.nav .nav-cta {
  padding: 8px 20px; border-radius: 30px; background: var(--primary); color: #fff; margin-left: 6px;
}
.nav .nav-cta:hover { color: #fff; background: var(--accent); }
.nav .nav-cta::after { display: none; }
/* 语言切换 */
.lang { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 5px; background: none; border: 1px solid var(--line); border-radius: 30px;
  padding: 6px 12px; font-size: 13px; color: var(--text-2); cursor: pointer; transition: all .2s;
}
.lang-btn:hover, .lang.open .lang-btn { border-color: var(--accent); color: var(--accent); }
.lang-btn svg { width: 15px; height: 15px; }
.lang-btn svg:last-child { width: 12px; height: 12px; transition: transform .2s; }
.lang.open .lang-btn svg:last-child { transform: rotate(180deg); }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 130px; background: #fff; border-radius: 10px;
  box-shadow: 0 10px 30px rgba(31,58,104,.15); border: 1px solid var(--line); padding: 6px;
  opacity: 0; transform: translateY(-6px); pointer-events: none; transition: all .2s var(--ease);
}
.lang.open .lang-menu { opacity: 1; transform: none; pointer-events: auto; }
.nav .lang-menu a { display: block; padding: 7px 12px; border-radius: 6px; font-size: 14px; color: var(--text-2); }
.nav .lang-menu a::after { display: none; }
.nav .lang-menu a:hover { background: var(--bg-soft); color: var(--primary); }
.nav .lang-menu a[aria-current] { color: var(--accent); font-weight: 500; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: .3s; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 30px; border-radius: 40px;
  font-size: 15px; font-weight: 500; cursor: pointer; border: 1px solid transparent;
  transition: all .25s var(--ease); position: relative; overflow: hidden;
}
.btn svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 20px rgba(47,111,222,.3); }
.btn-primary:hover { background: #2560c7; transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-line { border-color: var(--primary); color: var(--primary); }
.btn-line:hover { background: var(--primary); color: #fff; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.18); }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(1200px 600px at 85% 20%, #2d5aa0 0%, transparent 60%),
    linear-gradient(135deg, #0f203d 0%, #1a3563 55%, #22467f 100%);
  padding: 110px 0 120px;
}
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.hero .container { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 50px; align-items: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; letter-spacing: 1px;
  padding: 6px 14px; border-radius: 30px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.85); margin-bottom: 24px;
}
.hero-tag i { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 0 rgba(74,222,128,.6); animation: pulse 2s infinite; }
.hero h1 { font-size: 48px; font-weight: 600; line-height: 1.3; margin-bottom: 22px; letter-spacing: 1px; text-wrap: balance; }
.hero h1 .accent { display: inline-block; margin-top: 4px; font-size: .72em; font-weight: 500; letter-spacing: 2px; background: linear-gradient(90deg, #8ab4ff, #c4b5fd); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 18px; color: rgba(255,255,255,.78); max-width: 540px; margin-bottom: 38px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-points { display: flex; gap: 24px; margin-top: 36px; flex-wrap: wrap; font-size: 14px; color: rgba(255,255,255,.7); }
.hero-points span { display: inline-flex; align-items: center; gap: 6px; }
.hero-points svg { width: 16px; height: 16px; color: #4ade80; }

/* 首屏设备演示 */
.devices { position: relative; height: 420px; }
.browser {
  position: absolute; top: 10px; left: 0; right: 40px; background: #fff; border-radius: 12px; overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,.35); animation: floatY 7s ease-in-out infinite;
}
.browser-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; background: #eef2f8; }
.browser-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.browser-bar i:nth-child(2) { background: #febc2e; }
.browser-bar i:nth-child(3) { background: #28c840; }
.browser-bar .url { margin-left: 12px; flex: 1; height: 20px; border-radius: 10px; background: #fff; font-size: 11px; color: var(--text-3); padding: 0 10px; line-height: 20px; }
.browser-body { padding: 16px; }
.sk { border-radius: 6px; background: #e8edf5; opacity: 0; animation: build 8s var(--ease) infinite; }
.sk-nav { display: flex; justify-content: space-between; margin-bottom: 14px; background: none; }
.sk-nav b { display: block; width: 70px; height: 12px; border-radius: 6px; background: var(--primary); }
.sk-nav span { display: flex; gap: 8px; }
.sk-nav span em { display: block; width: 32px; height: 8px; border-radius: 4px; background: #d5dce8; }
.sk-hero {
  height: 120px; margin-bottom: 14px; position: relative; overflow: hidden;
  background: linear-gradient(120deg, #1f3a68, #2f6fde); animation-delay: .4s;
}
.sk-hero::before { content: ""; position: absolute; left: 18px; top: 30px; width: 55%; height: 14px; border-radius: 7px; background: rgba(255,255,255,.85); }
.sk-hero::after { content: ""; position: absolute; left: 18px; top: 56px; width: 38%; height: 9px; border-radius: 5px; background: rgba(255,255,255,.45); box-shadow: 0 24px 0 -1px rgba(255,255,255,.9); }
.sk-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; background: none; }
.sk-cards div { height: 74px; border-radius: 8px; background: #eef2f8; opacity: 0; animation: build 8s var(--ease) infinite; }
.sk-cards div:nth-child(1) { animation-delay: .8s; }
.sk-cards div:nth-child(2) { animation-delay: 1.0s; }
.sk-cards div:nth-child(3) { animation-delay: 1.2s; }
.sk-nav { animation-delay: .1s; }
.phone {
  position: absolute; right: 0; bottom: 0; width: 130px; height: 250px; border-radius: 22px; background: #0f1d33;
  padding: 8px; box-shadow: 0 24px 50px rgba(0,0,0,.4); animation: floatY 6s ease-in-out infinite reverse;
}
.phone-screen { width: 100%; height: 100%; border-radius: 16px; background: #fff; overflow: hidden; padding: 10px 8px; }
.phone-screen .p-hero { height: 70px; border-radius: 8px; background: linear-gradient(120deg, #1f3a68, #2f6fde); margin: 8px 0; }
.phone-screen .p-line { height: 8px; border-radius: 4px; background: #e8edf5; margin-bottom: 7px; }
.phone-screen .p-line.s { width: 60%; }
.badge-float {
  position: absolute; left: -20px; bottom: 50px; background: #fff; color: var(--text); border-radius: 12px;
  padding: 12px 16px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 10px; font-size: 13px;
  animation: floatY 5s ease-in-out infinite;
}
.badge-float b { display: block; font-size: 14px; }
.badge-float .ico { width: 34px; height: 34px; border-radius: 9px; background: #e7f8ee; color: #16a34a; display: grid; place-items: center; }
.badge-float .ico svg { width: 18px; height: 18px; }

/* ---------- 数字统计 ---------- */
.stats { position: relative; z-index: 2; margin-top: -50px; }
.stats-box {
  background: #fff; border-radius: 14px; box-shadow: var(--shadow);
  display: grid; grid-template-columns: repeat(4, 1fr); padding: 34px 10px;
}
.stat { text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat .n { font-size: 40px; font-weight: 700; color: var(--primary); line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat .n small { font-size: 18px; font-weight: 500; margin-left: 2px; }
.stat p { font-size: 14px; color: var(--text-2); margin-top: 6px; }

/* ---------- 内页标题 ---------- */
.page-banner {
  position: relative; overflow: hidden; color: #fff; padding: 84px 0 76px;
  background: radial-gradient(800px 400px at 90% 0%, #2d5aa0 0%, transparent 60%), linear-gradient(135deg, #0f203d, #1f3a68);
}
.page-banner::after {
  content: ""; position: absolute; right: -60px; bottom: -80px; width: 340px; height: 340px; opacity: .08;
  background: url(/img/logo-mark-white.svg) no-repeat center / contain; animation: floatY 9s ease-in-out infinite;
}
.page-banner .crumb { font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 10px; }
.page-banner .crumb a:hover { color: #fff; }
.page-banner h1 { font-size: 38px; font-weight: 600; margin-bottom: 8px; }
.page-banner p { color: rgba(255,255,255,.75); font-size: 16px; max-width: 620px; }

/* ---------- 通用区块 ---------- */
.section { padding: 100px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { text-align: center; margin-bottom: 56px; }
.section-head .en { font-size: 13px; letter-spacing: 3px; color: var(--accent); text-transform: uppercase; margin-bottom: 8px; font-weight: 500; }
.section-head h2 { font-size: 34px; font-weight: 600; color: var(--text); }
.section-head p { color: var(--text-2); margin-top: 12px; max-width: 640px; margin-left: auto; margin-right: auto; }
.section-head.left { text-align: left; }
.section-head.left p { margin-left: 0; }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* 服务卡片 */
.card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; transition: transform .35s var(--ease), box-shadow .35s, border-color .35s; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); transform: scaleX(0); transform-origin: left;
  transition: transform .45s var(--ease);
}
.card:hover { box-shadow: var(--shadow); border-color: transparent; transform: translateY(-6px); }
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 52px; height: 52px; border-radius: 12px; background: #eaf1fd; color: var(--accent);
  display: grid; place-items: center; margin-bottom: 22px; transition: all .35s var(--ease);
}
.card:hover .card-icon { background: var(--accent); color: #fff; transform: rotate(-6deg) scale(1.05); }
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 19px; font-weight: 600; margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: 15px; }
.card ul, .tips { margin-top: 16px; }
.card li, .tips li { font-size: 14px; color: var(--text-2); padding-left: 18px; position: relative; margin-bottom: 5px; }
.card li::before, .tips li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 5px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg);
}
.card .more { display: inline-flex; align-items: center; gap: 4px; margin-top: 18px; font-size: 14px; color: var(--accent); }
.card .more svg { width: 14px; height: 14px; transition: transform .25s; }
.card:hover .more svg { transform: translateX(4px); }

/* 服务页：业务板块导航与分组 */
.svc-overview { padding: 56px 0 64px; }
.svc-nav {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 28px 28px 24px;
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.svc-nav:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.svc-nav .no { font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: 2px; }
.svc-nav h3 { font-size: 20px; font-weight: 600; margin: 6px 0 8px; }
.svc-nav p { font-size: 14px; color: var(--text-2); }
.svc-nav .more { margin-top: auto; padding-top: 16px; }
.svc-nav .more { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; color: var(--accent); }
.svc-nav .more svg { width: 14px; height: 14px; transition: transform .25s; }
.svc-nav:hover .more svg { transform: translateX(4px); }
.svc-group, .svc-group .card { scroll-margin-top: 90px; }
.group-head { display: flex; align-items: flex-start; gap: 22px; margin-bottom: 40px; max-width: 820px; }
.group-head .no { font-size: 44px; font-weight: 700; line-height: 1; color: var(--accent); opacity: .25; flex-shrink: 0; }
.group-head h2 { font-size: 30px; font-weight: 600; margin-bottom: 6px; }
.group-head p { color: var(--text-2); }
.svc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 4px; }
.svc-tags span { font-size: 12px; color: var(--accent); background: #eaf1fd; padding: 3px 10px; border-radius: 20px; }
.svc-nav dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 13.5px; }
.svc-nav dt { color: var(--text-3); white-space: nowrap; }
.svc-nav dd { color: var(--text); }
.standard { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; margin-top: 26px; padding: 16px 22px; background: #fff; border: 1px solid var(--line); border-radius: 12px; font-size: 14px; color: var(--text-2); }
.standard strong { color: var(--primary); font-weight: 600; margin-right: 4px; }
.standard span { display: inline-flex; align-items: center; gap: 6px; }
.standard svg { width: 16px; height: 16px; color: #16a34a; }

/* AI 如何参与交付 */
.ai-flow {
  position: relative; overflow: hidden; color: #fff; padding: 96px 0 88px;
  background: radial-gradient(900px 420px at 85% 0%, rgba(124,108,240,.28), transparent 60%),
    radial-gradient(700px 380px at 0% 100%, rgba(47,111,222,.25), transparent 60%),
    linear-gradient(160deg, #0f203d, #172e57);
}
.ai-flow .section-head { margin-bottom: 28px; }
.ai-flow .section-head .en { color: #a9c6ff; }
.ai-flow .section-head h2 { color: #fff; }
.ai-flow .section-head p { color: rgba(255,255,255,.72); }
.flow-art { display: block; width: 100%; max-width: 1160px; height: auto; margin: 0 auto 26px; }
.flow-path { stroke-dasharray: 6 8; animation: flowDash 3s linear infinite; }
@keyframes flowDash { to { stroke-dashoffset: -28; } }
.flow-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.flow-step {
  background: rgba(255,255,255,.05); border: 1px solid rgba(160,195,255,.18); border-radius: 14px; padding: 26px 26px 24px;
  transition: border-color .3s, background .3s, transform .35s var(--ease);
}
.flow-step:hover { background: rgba(255,255,255,.08); border-color: rgba(167,139,250,.5); transform: translateY(-4px); }
.flow-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.flow-no { font-size: 30px; font-weight: 700; line-height: 1; background: linear-gradient(90deg, #8ab4ff, #c4b5fd); -webkit-background-clip: text; background-clip: text; color: transparent; }
.flow-ico { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(91,155,255,.15); color: #a9c6ff; }
.flow-ico svg { width: 20px; height: 20px; }
.flow-step h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.flow-step p { font-size: 14.5px; color: rgba(255,255,255,.72); line-height: 1.8; }
.flow-note { margin: 28px auto 0; max-width: 860px; text-align: center; }
.flow-note p { display: inline-flex; align-items: flex-start; gap: 8px; font-size: 14px; color: rgba(255,255,255,.78); line-height: 1.8; text-align: left; }
.flow-note svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 3px; color: #a9c6ff; }
.flow-note .flow-privacy { display: block; margin-top: 6px; font-size: 12.5px; color: rgba(255,255,255,.5); text-align: center; }

/* 公司动态 */
.news-section { background: linear-gradient(180deg, #fff 0%, #f3f5fe 100%); }
.news-section .section-head p, .news-body h3 { text-wrap: balance; }
.news-list { max-width: 1000px; margin: 0 auto; display: grid; gap: 22px; }
.news-card {
  display: grid; grid-template-columns: 280px 1fr; background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: transparent; }
.news-side {
  position: relative; overflow: hidden; color: #fff; padding: 30px 28px; display: flex; flex-direction: column; align-items: flex-start; gap: 12px;
  background: radial-gradient(260px 180px at 100% 0%, rgba(167,139,250,.45), transparent 70%), linear-gradient(150deg, #132a50, #2f5fc4);
}
.news-art, .news-cover { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; pointer-events: none; }
.news-cover { top: 0; height: 100%; object-fit: cover; opacity: .35; }
.news-side time { position: relative; font-size: 30px; font-weight: 700; letter-spacing: 1px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.news-cat { position: relative; font-size: 13px; padding: 4px 12px; border-radius: 20px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); }
.news-body { padding: 30px 34px; display: flex; flex-direction: column; }
.news-body h3 { font-size: 21px; font-weight: 600; line-height: 1.5; margin-bottom: 10px; }
.news-body p { color: var(--text-2); font-size: 15px; line-height: 1.9; }
.news-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.news-actions .btn { padding: 11px 24px; font-size: 14px; }
.ext-ico { font-size: 15px; line-height: 1; transition: transform .25s var(--ease); }
.news-ext:hover .ext-ico { transform: translate(2px, -2px); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* 新闻：首页入口、列表页、详情页 */
.news-body h3 a:hover { color: var(--accent); }
.news-more { text-align: right; }
.news-more a { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--accent); }
.news-more a svg { width: 14px; height: 14px; transition: transform .25s; }
.news-more a:hover svg { transform: translateX(4px); }
.news-page .container { max-width: 1000px; }
.news-rows { border-top: 1px solid var(--line); }
.news-item { display: grid; grid-template-columns: 110px 1fr; gap: 32px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.news-item.hide { display: none; }
.ni-date {
  width: 96px; height: 96px; border-radius: 12px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #fff; background: radial-gradient(90px 70px at 100% 0%, rgba(167,139,250,.5), transparent 70%), linear-gradient(150deg, #132a50, #2f5fc4);
}
.ni-date strong { font-size: 34px; line-height: 1; font-weight: 700; font-variant-numeric: tabular-nums; }
.ni-date span { font-size: 13px; margin-top: 6px; opacity: .8; letter-spacing: 1px; }
.ni-cat { display: inline-block; font-size: 12px; color: var(--accent); background: #eaf1fd; padding: 3px 10px; border-radius: 20px; }
.ni-body h2 { font-size: 22px; font-weight: 600; line-height: 1.5; margin: 10px 0 8px; text-wrap: balance; }
.ni-body h2 a:hover { color: var(--accent); }
.ni-body p { color: var(--text-2); font-size: 15px; line-height: 1.9; }
.ni-body .news-actions { margin-top: 18px; }
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.pager a, .pager span { min-width: 40px; height: 40px; padding: 0 12px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); font-size: 14px; color: var(--text-2); }
.pager a:hover { border-color: var(--accent); color: var(--accent); }
.pager .on { background: var(--primary); border-color: var(--primary); color: #fff; }
.news-article p { font-size: 16px; line-height: 2; }
.news-article .news-lead { font-size: 17px; color: var(--text); line-height: 1.9; padding: 18px 22px; background: var(--bg-soft); border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; margin-bottom: 24px; }
.news-banner h1 { font-size: 32px; line-height: 1.45; max-width: 900px; text-wrap: balance; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-top: 6px; }
.news-meta .news-cat { font-size: 13px; padding: 3px 12px; border-radius: 20px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); color: #fff; }
.news-related { margin-top: 28px; padding-top: 18px; border-top: 1px dashed var(--line); font-size: 15px; }
.news-related span { color: var(--text-3); }
.news-related a { color: var(--accent); }
.news-related a:hover { text-decoration: underline; }
.news-article .news-actions { margin-top: 36px; }

/* 优势（左右布局） */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.feature-list li { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px dashed var(--line); }
.feature-list li:last-child { border-bottom: 0; }
.feature-list .num { font-size: 15px; font-weight: 700; color: var(--accent); width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--accent); display: grid; place-items: center; flex-shrink: 0; }
.feature-list h4 { font-size: 17px; font-weight: 600; margin-bottom: 4px; }
.feature-list p { font-size: 14px; color: var(--text-2); }
.visual-card {
  position: relative; border-radius: 16px; padding: 40px; color: #fff; overflow: hidden;
  background: linear-gradient(145deg, #1f3a68, #2f6fde);
}
.visual-card::after {
  content: ""; position: absolute; right: -40px; top: -40px; width: 220px; height: 220px; opacity: .12;
  background: url(/img/logo-mark-white.svg) no-repeat center / contain; animation: spinSlow 40s linear infinite;
}
.visual-card h3 { font-size: 24px; font-weight: 600; margin-bottom: 12px; }
.visual-card p { color: rgba(255,255,255,.8); font-size: 15px; margin-bottom: 26px; }
.score { margin-bottom: 18px; }
.score-top { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 8px; color: rgba(255,255,255,.9); }
.score-bar { height: 8px; border-radius: 4px; background: rgba(255,255,255,.18); overflow: hidden; }
.score-bar span { display: block; height: 100%; width: 0; border-radius: 4px; background: linear-gradient(90deg, #7fb2ff, #fff); transition: width 1.6s var(--ease); }
.in .score-bar span { width: var(--w); }

/* 行业方案 Tab */
.tabs { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.tab-btn {
  padding: 9px 24px; border-radius: 30px; border: 1px solid var(--line); background: #fff; color: var(--text-2);
  cursor: pointer; font-size: 15px; transition: all .25s var(--ease);
}
.tab-btn:hover { border-color: var(--accent); color: var(--accent); }
.tab-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.tab-panel { display: none; }
.tab-panel.active { display: grid; animation: fadeUp .5s var(--ease); }
.solution { grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: center; background: #fff; border-radius: 16px; padding: 44px; box-shadow: var(--shadow); }
.solution h3 { font-size: 24px; font-weight: 600; margin-bottom: 12px; }
.solution p { color: var(--text-2); margin-bottom: 18px; }
.solution .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.solution .tags span { font-size: 13px; padding: 4px 12px; border-radius: 20px; background: #eaf1fd; color: var(--accent); }

/* 流程 */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; counter-reset: step; }
.step { position: relative; text-align: center; padding: 0 4px; }
.step .dot {
  width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%; background: #fff; border: 1.5px solid var(--accent);
  color: var(--accent); display: grid; place-items: center; position: relative; z-index: 1; transition: all .35s var(--ease);
}
.step .dot svg { width: 26px; height: 26px; }
.step:hover .dot { background: var(--accent); color: #fff; transform: translateY(-4px); box-shadow: 0 10px 20px rgba(47,111,222,.3); }
.step::after {
  content: ""; position: absolute; top: 32px; left: calc(50% + 32px); width: calc(100% - 64px + 16px); height: 2px;
  background: linear-gradient(90deg, var(--accent) 50%, transparent 50%) 0 0 / 12px 2px;
  animation: dash 1.2s linear infinite; opacity: .5;
}
.step:last-child::after { display: none; }
.step small { display: block; font-size: 12px; color: var(--accent); letter-spacing: 1px; }
.step h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.step p { font-size: 13px; color: var(--text-2); }

/* 案例 */
.filter { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.case {
  border-radius: 14px; overflow: hidden; background: #fff; border: 1px solid var(--line);
  transition: transform .4s var(--ease), box-shadow .4s, opacity .4s;
}
.case:hover { box-shadow: var(--shadow); transform: translateY(-6px); }
.case.hide { display: none; }
.case-thumb { aspect-ratio: 16 / 11; overflow: hidden; position: relative; background: var(--bg-soft); }
/* 案例截图：悬停时自动向下滚动预览整页 */
.shot {
  display: block; width: 100%; border: 0; padding: 0; cursor: zoom-in; position: relative;
  background-color: var(--bg-soft); background-size: 100% auto; background-position: center top; background-repeat: no-repeat;
  transition: background-position 5s cubic-bezier(.45,.05,.55,.95);
}
.case:hover .shot, .shot:hover, .shot:focus-visible { background-position: center bottom; }
.shot-hint {
  position: absolute; left: 50%; bottom: 16px; transform: translate(-50%, 10px); opacity: 0; transition: all .3s var(--ease);
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  background: rgba(15,32,61,.82); color: #fff; font-size: 13px; padding: 7px 14px; border-radius: 30px; backdrop-filter: blur(4px);
}
.shot-hint svg { width: 15px; height: 15px; }
.shot:hover .shot-hint, .shot:focus-visible .shot-hint { opacity: 1; transform: translate(-50%, 0); }
.sol-shot { aspect-ratio: 16 / 11; border-radius: 12px; box-shadow: var(--shadow); }
.solution .sol-shot:hover { background-position: center bottom; }
.case-links { display: flex; gap: 18px; margin-top: 14px; font-size: 14px; }
.case-links button { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font-size: 14px; }
.case-links a { color: var(--text-2); }
.case-links button:hover, .case-links a:hover { color: var(--primary); text-decoration: underline; }
.case-body { padding: 20px 22px 24px; }
.case-body .tag { font-size: 12px; color: var(--accent); background: #eaf1fd; padding: 3px 10px; border-radius: 20px; margin-right: 6px; }
.case-body h3 { font-size: 17px; font-weight: 600; margin: 12px 0 4px; }
.case-body p { font-size: 14px; color: var(--text-2); }
.note { text-align: center; font-size: 13px; color: var(--text-3); margin-top: 30px; }

/* 套餐 */
.plans { align-items: stretch; }
.plan {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 40px 32px;
  display: flex; flex-direction: column; transition: transform .35s var(--ease), box-shadow .35s;
}
.plan:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.plan.hot { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.plan .ribbon { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: 12px; padding: 3px 14px; border-radius: 20px; }
.plan h3 { font-size: 21px; font-weight: 600; }
.plan .for { font-size: 14px; color: var(--text-3); margin: 4px 0 20px; }
.plan .price { font-size: 26px; font-weight: 700; color: var(--primary); padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid var(--line); }
.plan .price small { font-size: 14px; font-weight: 400; color: var(--text-3); margin-left: 4px; }
.plan ul { flex: 1; margin-bottom: 26px; }
.plan li { font-size: 14px; color: var(--text-2); padding: 6px 0 6px 24px; position: relative; }
.plan li::before {
  content: ""; position: absolute; left: 2px; top: 13px; width: 9px; height: 5px;
  border-left: 2px solid #16a34a; border-bottom: 2px solid #16a34a; transform: rotate(-45deg);
}
.plan .btn { justify-content: center; }

/* FAQ */
.faq { max-width: 860px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 14px; overflow: hidden; transition: box-shadow .3s; }
.faq-item.open { box-shadow: var(--shadow); border-color: transparent; }
.faq-q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer; padding: 20px 24px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; font-size: 16px; font-weight: 500; color: var(--text);
}
.faq-q i { position: relative; width: 14px; height: 14px; flex-shrink: 0; }
.faq-q i::before, .faq-q i::after { content: ""; position: absolute; left: 0; top: 6px; width: 14px; height: 2px; background: var(--accent); transition: transform .3s; }
.faq-q i::after { transform: rotate(90deg); }
.faq-item.open .faq-q i::after { transform: rotate(0); }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s var(--ease); }
.faq-a > div { overflow: hidden; }
.faq-a p { padding: 0 24px 22px; color: var(--text-2); font-size: 15px; }
.faq-item.open .faq-a { grid-template-rows: 1fr; }

/* 关于 */
.about-text p { color: var(--text-2); margin-bottom: 16px; }
.about-text h3 { font-size: 26px; font-weight: 600; margin-bottom: 18px; }
.info-list li { display: flex; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.info-list li span:first-child { width: 110px; flex-shrink: 0; color: var(--text-3); }
.value-box { background: var(--bg-soft); border-radius: 14px; padding: 32px; transition: transform .35s var(--ease), background .35s; }
.value-box:hover { transform: translateY(-4px); background: #eef3fb; }
.value-box h4 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--primary); }
.value-box p { font-size: 14px; color: var(--text-2); }
.value-box .card-icon { margin-bottom: 16px; }

/* 联系 */
.contact-item { display: flex; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.contact-item .card-icon { margin: 0; flex-shrink: 0; }
.contact-item h4 { font-size: 14px; color: var(--text-3); font-weight: 400; }
.contact-item p { font-size: 18px; font-weight: 500; }

/* 在线咨询表单 */
.contact-layout { display: grid; grid-template-columns: 1fr 1.35fr; gap: 56px; align-items: start; }
#inquiry { scroll-margin-top: 96px; }
.form-card { background: #fff; border-radius: 16px; padding: 40px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.form-card h3 { font-size: 24px; font-weight: 600; margin-bottom: 6px; }
.form-sub { font-size: 14px; color: var(--text-2); margin-bottom: 26px; }
.form-card b { color: #e5484d; font-weight: 500; }
#inquiry-form > label, .form-row label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--text); margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row.three { grid-template-columns: repeat(3, 1fr); }
.form-card input:not([type=radio]):not([type=checkbox]), .form-card select, .form-card textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--text); background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 8px; padding: 11px 14px; transition: border-color .2s, box-shadow .2s, background .2s;
}
.form-card select { appearance: none; -webkit-appearance: none; padding-right: 36px; cursor: pointer;
  background: var(--bg-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238492a6' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center / 16px; }
.form-card textarea { resize: vertical; min-height: 120px; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus { outline: 0; border-color: var(--accent); background-color: #fff; box-shadow: 0 0 0 3px rgba(47,111,222,.12); }
.form-card .invalid { border-color: #e5484d !important; box-shadow: 0 0 0 3px rgba(229,72,77,.1) !important; }
.field { border: 0; margin-bottom: 18px; }
.field legend { font-size: 14px; margin-bottom: 8px; }
.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span { display: inline-block; padding: 8px 22px; border-radius: 30px; border: 1px solid var(--line); background: var(--bg-soft); font-size: 14px; cursor: pointer; transition: all .2s; }
.chip span:hover { border-color: var(--accent); color: var(--accent); }
.chip input:checked + span { background: var(--primary); border-color: var(--primary); color: #fff; }
.chip input:focus-visible + span { box-shadow: 0 0 0 3px rgba(47,111,222,.3); }
.form-ref { font-size: 12.5px; line-height: 1.7; color: var(--text-3); background: var(--bg-soft); border-radius: 8px; padding: 10px 14px; margin: -4px 0 18px; }
.form-ref b { color: var(--text-2); font-weight: 600; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
#inquiry-form .consent { flex-direction: row; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--text-2); cursor: pointer; }
.consent input { margin-top: 4px; width: 15px; height: 15px; accent-color: var(--accent); flex-shrink: 0; }
.consent a { color: var(--accent); }
.consent.invalid-consent span { color: #e5484d; }
#inquiry-form button { width: 100%; justify-content: center; border: 0; margin-top: 4px; }
#inquiry-form button:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.form-msg { font-size: 14px; margin-top: 12px; min-height: 1.5em; text-align: center; }
.form-msg.err { color: #e5484d; }
.form-success { text-align: center; padding: 40px 10px; animation: fadeUp .5s var(--ease); }
.form-success .ok { width: 72px; height: 72px; border-radius: 50%; background: #e7f8ee; color: #16a34a; display: grid; place-items: center; margin: 0 auto 20px; }
.form-success .ok svg { width: 36px; height: 36px; }
.form-success h3 { margin-bottom: 8px; }
.form-success p { color: var(--text-2); font-size: 15px; }

/* 案例大图弹窗 */
.lb { position: fixed; inset: 0; z-index: 200; background: rgba(8,16,30,.78); backdrop-filter: blur(6px); display: grid; place-items: center; padding: 24px; animation: lbFade .25s ease; }
.lb[hidden] { display: none; }
.lb-box { position: relative; width: min(1320px, 100%); height: min(900px, 100%); background: #fff; border-radius: 16px; display: flex; flex-direction: column; overflow: hidden; animation: lbPop .35s var(--ease); }
.lb-head { display: flex; align-items: center; gap: 16px; padding: 14px 18px 14px 24px; border-bottom: 1px solid var(--line); }
.lb-title { flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px; }
.lb-title .tag { font-size: 12px; color: var(--accent); background: #eaf1fd; padding: 3px 10px; border-radius: 20px; white-space: nowrap; }
.lb-title h3 { font-size: 18px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lb-seg { display: inline-flex; background: var(--bg-soft); border-radius: 30px; padding: 3px; }
.lb-seg button { display: inline-flex; align-items: center; gap: 6px; border: 0; background: none; padding: 6px 14px; border-radius: 30px; font-size: 13px; color: var(--text-2); cursor: pointer; }
.lb-seg button svg { width: 15px; height: 15px; }
.lb-seg button.on { background: #fff; color: var(--primary); box-shadow: 0 1px 4px rgba(0,0,0,.08); font-weight: 500; }
.lb-visit { padding: 8px 18px; font-size: 14px; box-shadow: none; }
.lb-close { width: 38px; height: 38px; border-radius: 50%; border: 0; background: var(--bg-soft); font-size: 24px; line-height: 1; color: var(--text-2); cursor: pointer; }
.lb-close:hover { background: var(--line); }
.lb-main { flex: 1; min-height: 0; display: grid; grid-template-columns: 1fr 300px; }
.lb-view { position: relative; overflow-y: auto; background: #e9edf3; padding: 28px; overscroll-behavior: contain; }
.lb-frame { margin: 0 auto; max-width: 1000px; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,.12); }
.lb-view.mobile .lb-frame { max-width: 390px; border-radius: 28px; border: 10px solid #0f1d33; }
.lb-view.mobile .lb-bar { display: none; }
.lb-bar { display: flex; gap: 6px; padding: 10px 14px; background: #f1f4f8; }
.lb-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.lb-bar i:nth-child(2) { background: #febc2e; }
.lb-bar i:nth-child(3) { background: #28c840; }
.lb-frame img { width: 100%; min-height: 300px; opacity: 0; transition: opacity .3s; }
.lb-frame img.ready { opacity: 1; }
.lb-loading { position: absolute; left: 50%; top: 160px; width: 34px; height: 34px; margin-left: -17px; border-radius: 50%; border: 3px solid rgba(47,111,222,.2); border-top-color: var(--accent); animation: spinSlow .8s linear infinite; }
.lb-view.loaded .lb-loading { display: none; }
.lb-side { padding: 26px 24px; overflow-y: auto; border-left: 1px solid var(--line); }
.lb-side > p { font-size: 15px; color: var(--text-2); }
.lb-side h4 { font-size: 15px; font-weight: 600; margin: 22px 0 4px; color: var(--primary); }
.lb-side .tips li { margin-bottom: 8px; }
.lb-note { margin-top: 22px; font-size: 12.5px; color: #7a5b00; background: #fff8e6; border-radius: 8px; padding: 10px 12px; line-height: 1.7; }
.lb-nav { position: absolute; top: 50%; width: 44px; height: 44px; margin-top: -22px; border-radius: 50%; border: 0; background: rgba(15,29,51,.75); color: #fff; font-size: 28px; line-height: 1; cursor: pointer; z-index: 2; transition: background .2s; }
.lb-nav:hover { background: var(--accent); }
.lb-nav.prev { left: 14px; }
.lb-nav.next { right: 314px; }
body.lb-open { overflow: hidden; }
@keyframes lbFade { from { opacity: 0; } }
@keyframes lbPop { from { opacity: 0; transform: translateY(20px) scale(.98); } }
@media (max-width: 900px) {
  .lb { padding: 0; }
  .lb-box { border-radius: 0; height: 100%; }
  .lb-head { flex-wrap: wrap; gap: 10px; padding: 12px 14px; }
  .lb-title { flex-basis: calc(100% - 50px); order: 1; }
  .lb-close { order: 2; }
  .lb-seg { order: 3; }
  .lb-visit { order: 4; margin-left: auto; }
  .lb-main { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .lb-view { padding: 16px; }
  .lb-side { border-left: 0; border-top: 1px solid var(--line); max-height: 30vh; padding: 16px; }
  .lb-side h4 { margin-top: 12px; }
  .lb-nav { top: auto; bottom: calc(30vh + 16px); margin-top: 0; width: 40px; height: 40px; }
  .lb-nav.next { right: 14px; }
}

/* 行动号召 */
.cta {
  position: relative; overflow: hidden; color: #fff; padding: 84px 0; text-align: center;
  background: linear-gradient(120deg, #1f3a68, #2f6fde, #1f3a68); background-size: 200% 200%; animation: gradientMove 12s ease infinite;
}
.cta::before, .cta::after {
  content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(255,255,255,.15);
  width: 420px; height: 420px; left: -140px; top: -200px; animation: floatY 10s ease-in-out infinite;
}
.cta::after { width: 300px; height: 300px; left: auto; right: -80px; top: auto; bottom: -160px; animation-direction: reverse; }
.cta .container { position: relative; }
.cta h2 { font-size: 32px; font-weight: 600; margin-bottom: 12px; }
.cta p { color: rgba(255,255,255,.8); margin-bottom: 32px; }

/* 隐私政策 */
.article { max-width: 860px; margin: 0 auto; }
.article h2 { font-size: 20px; font-weight: 600; margin: 40px 0 14px; color: var(--primary); }
.article p, .article li { color: var(--text-2); font-size: 15px; margin-bottom: 10px; }
.article ul { padding-left: 20px; list-style: disc; }
.article .meta { color: var(--text-3); font-size: 14px; }
.article .prevail { background: #fff8e6; border-left: 3px solid #f0b429; padding: 10px 14px; border-radius: 6px; color: #7a5b00; font-size: 14px; margin: 16px 0 24px; }

/* ---------- 页脚 ---------- */
.footer { background: #0c1830; color: rgba(255,255,255,.6); font-size: 14px; }
.footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; padding: 64px 0 44px; }
.footer .logo { margin-bottom: 18px; }
.footer .logo-text strong { color: #fff; }
.footer .logo-text small { color: rgba(255,255,255,.45); }
.footer h4 { color: #fff; font-size: 16px; font-weight: 500; margin-bottom: 16px; }
.footer-main li { margin-bottom: 9px; }
.footer-main a { transition: color .2s; }
.footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; text-align: center; font-size: 13px; }
.footer-bottom p { margin: 4px 0; }
.footer-bottom .beian { display: inline-flex; align-items: center; gap: 18px; flex-wrap: wrap; justify-content: center; }
.footer-bottom .beian a { display: inline-flex; align-items: center; gap: 5px; }
.footer-bottom .beian img { width: 16px; height: 16px; }

/* 回到顶部 */
.to-top {
  position: fixed; right: 24px; bottom: 28px; z-index: 90; width: 46px; height: 46px; border-radius: 50%; border: 0;
  background: var(--accent); color: #fff; cursor: pointer; display: grid; place-items: center;
  box-shadow: 0 8px 20px rgba(47,111,222,.35); opacity: 0; transform: translateY(20px); pointer-events: none; transition: all .3s var(--ease);
}
.to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--primary); }
.to-top svg { width: 20px; height: 20px; }

/* ---------- 滚动进场动画 ---------- */
.js .reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal.from-left { transform: translateX(-40px); }
.js .reveal.from-right { transform: translateX(40px); }
.js .reveal.zoom { transform: scale(.94); }
.js .reveal.in.from-left, .js .reveal.in.from-right, .js .reveal.in.zoom { transform: none; }
.js .hero .anim { opacity: 0; animation: fadeUp .9s var(--ease) forwards; animation-delay: var(--d, 0s); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(74,222,128,.6); } 70% { box-shadow: 0 0 0 10px rgba(74,222,128,0); } 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); } }
@keyframes build { 0% { opacity: 0; transform: translateY(10px); } 8%, 85% { opacity: 1; transform: none; } 95%, 100% { opacity: 0; } }
@keyframes dash { to { background-position: 12px 0; } }
@keyframes gradientMove { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes spinSlow { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal, .hero .anim, .sk, .sk-cards div { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; }
  .devices { max-width: 520px; width: 100%; margin: 10px auto 0; height: 380px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .step:nth-child(3)::after { display: none; }
  .split, .solution, .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .nav { gap: 18px; }
  .nav a { font-size: 14px; }
}

/* 折叠导航：只有导航在当前宽度下放不下时（由 main.js 测量）或手机宽度时，<html> 才会带 nav-compact 类 */
.nav-compact .nav-toggle { display: block; }
.nav-compact .nav {
  position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0;
  border-bottom: 1px solid var(--line); max-height: 0; overflow: hidden; transition: max-height .35s var(--ease);
  box-shadow: 0 10px 20px rgba(0,0,0,.06);
}
.nav-compact .nav.open { max-height: 600px; }
.nav-compact .nav a { padding: 14px 20px; border-top: 1px solid var(--line); }
.nav-compact .nav a::after { display: none; }
.nav-compact .nav .nav-cta { margin: 12px 20px 16px; text-align: center; border-radius: 8px; }
.nav-compact .lang { border-top: 1px solid var(--line); padding: 10px 20px 0; }
.nav-compact .lang-btn { display: none; }
.nav-compact .lang-menu { position: static; opacity: 1; transform: none; pointer-events: auto; box-shadow: none; border: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 6px; min-width: 0; }
.nav-compact .nav .lang-menu a { border: 1px solid var(--line); border-top: 1px solid var(--line); padding: 5px 12px; border-radius: 20px; font-size: 13px; }
.nav-compact .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-compact .nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-compact .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 760px) {

  .hero { padding: 64px 0 100px; }
  .hero h1 { font-size: 28px; letter-spacing: 0; }
  .hero p.lead { font-size: 16px; }
  .devices { height: 300px; }
  .browser { right: 30px; }
  .sk-hero { height: 80px; }
  .sk-cards div { height: 50px; }
  .phone { width: 100px; height: 190px; }
  .badge-float { left: 0; bottom: 10px; }
  .stats-box { grid-template-columns: 1fr 1fr; row-gap: 28px; padding: 28px 10px; }
  .stat:nth-child(2) { border-right: 0; }
  .stat .n { font-size: 32px; }
  .section { padding: 68px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 26px; }
  .page-banner { padding: 56px 0 50px; }
  .page-banner h1 { font-size: 28px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .solution { padding: 28px 22px; }
  .ai-flow { padding: 64px 0 60px; }
  .news-card { grid-template-columns: 1fr; }
  .news-side { flex-direction: row; align-items: center; justify-content: space-between; padding: 20px 22px; min-height: 96px; }
  .news-side time { font-size: 24px; }
  .news-body { padding: 22px 22px 24px; }
  .news-body h3 { font-size: 18px; }
  .news-actions .btn { width: 100%; justify-content: center; padding: 13px 20px; }
  .news-more { text-align: center; }
  .news-item { grid-template-columns: 1fr; gap: 14px; padding: 26px 0; }
  .ni-date { width: auto; height: auto; flex-direction: row; justify-content: flex-start; gap: 8px; padding: 8px 14px; border-radius: 8px; justify-self: start; }
  .ni-date strong { font-size: 20px; }
  .ni-date span { margin-top: 0; }
  .ni-body h2 { font-size: 18px; }
  .news-banner h1 { font-size: 24px; }
  .flow-art { display: none; }
  .flow-steps { grid-template-columns: 1fr; gap: 14px; }
  .hero h1 .accent { letter-spacing: 1px; }
  .svc-overview { padding: 40px 0 44px; }
  .group-head { gap: 14px; margin-bottom: 28px; }
  .group-head .no { font-size: 32px; }
  .group-head h2 { font-size: 24px; }
  .form-card { padding: 28px 20px; }
  .form-row, .form-row.three { grid-template-columns: 1fr; gap: 0; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .cta h2 { font-size: 24px; }
  .to-top { right: 16px; bottom: 18px; }
  .js .reveal.from-left, .js .reveal.from-right { transform: translateY(36px); }
}