:root {
  --brand: #1B62B8;
  --brand-dark: #14508F;
  --brand-deep: #0C2C55;
  --gold: #E0A83C;
  --ink: #1F2430;
  --muted: #5A6272;
  --line: #E3E8F0;
  --bg-soft: #F5F8FC;
  --white: #ffffff;
  --radius: 10px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang TC", "Microsoft YaHei", "Microsoft JhengHei", "Noto Sans CJK SC", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  line-height: 1.7;
  background: var(--white);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶栏：语言切换 ===== */
.topbar {
  background: var(--ink);
  color: rgba(255,255,255,.82);
  font-size: 13px;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar .slogan { letter-spacing: .5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lang-switch { display: flex; gap: 2px; }
.lang-switch a {
  padding: 4px 12px; border-radius: 20px; font-size: 13px;
  color: rgba(255,255,255,.75); transition: all .2s;
}
.lang-switch a:hover { color: #fff; }
.lang-switch a.active { background: var(--brand); color: #fff; }

/* ===== 页眉 ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; gap: 24px; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { height: 46px; width: auto; }
.brand .names { line-height: 1.25; }
.brand .names b { font-size: 17px; color: var(--ink); display: block; letter-spacing: .5px; }
.brand .names span { font-size: 10.5px; color: var(--muted); letter-spacing: .3px; }
.main-nav { display: flex; gap: 4px; margin-left: auto; }
.main-nav a {
  padding: 10px 16px; font-size: 15px; border-radius: 8px; position: relative;
  color: var(--ink); transition: color .2s;
}
.main-nav a:hover, .main-nav a.active { color: var(--brand); }
.main-nav a.active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px;
  height: 2px; background: var(--brand); border-radius: 2px;
}
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; cursor: pointer; font-size: 18px; line-height: 1; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #0C2C55 0%, #1B62B8 58%, #2E7FD6 100%);
  color: #fff; padding: 88px 0 96px; position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: -120px;
  width: 420px; height: 420px; border-radius: 50%;
  border: 60px solid rgba(255,255,255,.06);
}
.hero .kicker { font-size: 14px; letter-spacing: 4px; color: var(--gold); margin-bottom: 16px; }
.hero h1 { font-size: 42px; line-height: 1.25; font-weight: 700; max-width: 720px; }
.hero p.sub { margin-top: 18px; font-size: 17px; color: rgba(255,255,255,.88); max-width: 640px; }
.hero .cta-row { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 30px; border-radius: 8px; font-size: 16px;
  cursor: pointer; border: none; transition: all .2s; text-align: center;
}
.btn-gold { background: var(--gold); color: #3d2b00; font-weight: 600; }
.btn-gold:hover { background: #E7B558; transform: translateY(-2px); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.7); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-brand { background: var(--brand); color: #fff; }
.btn-brand:hover { background: var(--brand-dark); }

/* ===== 数据条 ===== */
.stats { background: var(--white); }
.stats .container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 44px 20px; }
.stat { text-align: center; padding: 20px; border-radius: var(--radius); background: var(--bg-soft); }
.stat b { display: block; font-size: 34px; color: var(--brand); font-weight: 700; }
.stat span { color: var(--muted); font-size: 14px; }

/* ===== 通用 section ===== */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-soft); }
.section-title { text-align: center; margin-bottom: 46px; }
.section-title .kicker { color: var(--brand); font-size: 14px; letter-spacing: 3px; margin-bottom: 8px; }
.section-title h2 { font-size: 30px; }
.section-title p { color: var(--muted); margin-top: 10px; }

/* ===== 服务卡片 ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; transition: all .25s; position: relative;
}
.card:hover { box-shadow: 0 10px 28px rgba(31,36,48,.09); transform: translateY(-4px); border-color: transparent; }
.card .num {
  position: absolute; top: 18px; right: 22px; font-size: 40px; font-weight: 700;
  color: #EEF3FA; -webkit-text-stroke: 1px #DCE6F5; user-select: none;
}
.card .icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--brand);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700; margin-bottom: 16px;
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14.5px; }

/* ===== 注册地 ===== */
.juris { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.juris .j {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 18px; text-align: center; transition: all .2s;
}
.juris .j:hover { border-color: var(--brand); }
.juris .j b { display: block; font-size: 16.5px; margin-bottom: 6px; }
.juris .j span { font-size: 13px; color: var(--muted); }

/* ===== 流程 ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { text-align: center; padding: 26px 14px; position: relative; }
.step .dot {
  width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--brand); color: #fff; font-size: 22px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(27,98,184,.28);
}
.step h3 { font-size: 17px; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 14px; }

/* ===== 优势 ===== */
.why { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.why .w { display: flex; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.why .w .tick {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%;
  background: rgba(27,98,184,.1); color: var(--brand);
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.why .w h3 { font-size: 16.5px; margin-bottom: 6px; }
.why .w p { color: var(--muted); font-size: 14px; }

/* ===== 知识 ===== */
.article { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; transition: all .2s; }
.article:hover { border-color: var(--brand); }
.article .tag { font-size: 12.5px; color: var(--brand); background: rgba(27,98,184,.08); padding: 3px 10px; border-radius: 20px; display: inline-block; margin-bottom: 12px; }
.article h3 { font-size: 16.5px; margin-bottom: 8px; line-height: 1.5; }
.article p { color: var(--muted); font-size: 14px; }
.article .more { color: var(--brand); font-size: 13.5px; margin-top: 12px; display: inline-block; }

/* ===== CTA 带 ===== */
.cta-band { background: var(--ink); color: #fff; text-align: center; padding: 64px 0; }
.cta-band h2 { font-size: 28px; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.75); margin-bottom: 28px; }

/* ===== 页脚 ===== */
.site-footer { background: #14171F; color: rgba(255,255,255,.72); font-size: 14px; padding: 54px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 32px; }
.site-footer h4 { color: #fff; font-size: 15.5px; margin-bottom: 16px; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 9px; }
.site-footer a:hover { color: var(--gold); }
.footer-brand img { height: 44px; margin-bottom: 14px; filter: none; }
.footer-brand .fn { color: #fff; font-size: 16px; margin-bottom: 4px; }
.footer-bottom {
  margin-top: 44px; border-top: 1px solid rgba(255,255,255,.09);
  padding: 18px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.45);
}
.addr { line-height: 1.9; }
.addr b { color: rgba(255,255,255,.92); }

/* ===== 内页头 ===== */
.page-hero { background: linear-gradient(135deg, #0C2C55, #1B62B8); color: #fff; padding: 60px 0; }
.page-hero h1 { font-size: 32px; }
.page-hero p { color: rgba(255,255,255,.85); margin-top: 10px; max-width: 700px; }
.breadcrumb { font-size: 13.5px; color: rgba(255,255,255,.65); margin-bottom: 14px; }
.breadcrumb a { color: rgba(255,255,255,.85); }

/* ===== 关于/联系 ===== */
.about-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: start; }
.contact-box { background: var(--bg-soft); border-radius: var(--radius); padding: 30px; }
.contact-box h3 { margin-bottom: 16px; font-size: 18px; }
.contact-box .row { display: flex; gap: 10px; margin-bottom: 14px; font-size: 14.5px; }
.contact-box .row b { flex-shrink: 0; color: var(--brand); min-width: 72px; }
.prose h3 { font-size: 20px; margin: 26px 0 12px; }
.prose p { margin-bottom: 14px; color: #3A4152; }
.prose ul { margin: 0 0 14px 22px; color: #3A4152; }
.prose li { margin-bottom: 6px; }

/* ===== 表单 ===== */
.form input, .form textarea, .form select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 15px; font-family: inherit; margin-bottom: 14px; background: #fff;
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--brand); }
.form textarea { min-height: 110px; resize: vertical; }
.form .btn { width: 100%; }
.form .note { font-size: 12.5px; color: var(--muted); margin-top: 10px; text-align: center; }

/* ===== 在线客服 ===== */
.chat-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 999;
  width: 58px; height: 58px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--brand); color: #fff; box-shadow: 0 8px 24px rgba(27,98,184,.4);
  display: flex; align-items: center; justify-content: center;
  transition: transform .2s;
}
.chat-fab:hover { transform: scale(1.07); }
.chat-fab svg { width: 27px; height: 27px; }
.chat-panel {
  position: fixed; right: 22px; bottom: 92px; z-index: 999;
  width: 360px; max-width: calc(100vw - 44px); max-height: min(620px, calc(100vh - 130px));
  background: #fff; border-radius: 14px; overflow: hidden;
  box-shadow: 0 18px 50px rgba(0,0,0,.22); display: none; flex-direction: column;
}
.chat-panel.open { display: flex; animation: chatIn .25s ease; }
@keyframes chatIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.chat-head { background: var(--brand); color: #fff; padding: 14px 16px; display: flex; align-items: center; gap: 10px; }
.chat-head img { height: 30px; width: auto; background: #fff; border-radius: 6px; padding: 2px; }
.chat-head .t b { display: block; font-size: 14.5px; }
.chat-head .t span { font-size: 12px; opacity: .85; }
.chat-head .x { margin-left: auto; background: none; border: none; color: #fff; font-size: 20px; cursor: pointer; line-height: 1; padding: 4px; }
.chat-body { flex: 1; overflow-y: auto; padding: 16px; background: #F5F2EC; }
.chat-msg { display: flex; gap: 8px; margin-bottom: 14px; }
.chat-msg.bot { justify-content: flex-start; }
.chat-msg .bubble {
  background: #fff; border-radius: 12px; border-top-left-radius: 3px;
  padding: 12px 14px; font-size: 13.8px; line-height: 1.8; color: var(--ink);
  box-shadow: 0 1px 3px rgba(0,0,0,.06); max-width: 100%; white-space: pre-line;
}
.chat-opts { display: grid; gap: 8px; margin: 4px 0 14px; }
.chat-opts button {
  text-align: left; background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; font-size: 13.5px; cursor: pointer; transition: all .15s; font-family: inherit;
}
.chat-opts button:hover { border-color: var(--brand); color: var(--brand); }
.chat-opts button .n { color: var(--brand); font-weight: 700; margin-right: 6px; }
.chat-form { padding: 12px 16px; border-top: 1px solid var(--line); background: #fff; }
.chat-form input { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 13.5px; margin-bottom: 8px; font-family: inherit; }
.chat-form button { width: 100%; }
.chat-tip { font-size: 12px; color: var(--muted); padding: 0 16px 10px; }

/* ===== 响应式 ===== */
@media (max-width: 980px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .juris, .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .main-nav {
    display: none; position: absolute; top: 74px; left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 10px; gap: 0;
    border-bottom: 1px solid var(--line); box-shadow: 0 12px 24px rgba(0,0,0,.08);
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero { padding: 60px 0; }
  .hero h1 { font-size: 28px; }
  .grid-3, .grid-2, .juris, .steps, .stats .container, .why { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .topbar .slogan { font-size: 12px; }
}

/* ===== 行业资讯 ===== */
.news-card { position: relative; display: block; }
.news-card .tag { margin-right: 8px; }
.news-card .news-date { display: block; font-size: 12.5px; color: var(--muted); margin: 8px 0 10px; letter-spacing: .02em; }
.news-card .news-more { display: inline-block; margin-top: 12px; color: var(--brand); font-size: 13.5px; font-weight: 600; }
.news-empty { color: var(--muted); text-align: center; padding: 40px 0; grid-column: 1 / -1; }
.news-article { padding: 56px 0; }
.news-article .container { max-width: 860px; }
.news-meta { font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 16px; margin-bottom: 28px; }
.news-article .prose p { font-size: 15.5px; line-height: 1.9; margin: 0 0 18px; }
.news-source { margin-top: 30px; padding: 16px 18px; background: var(--bg-soft); border-left: 3px solid var(--brand); border-radius: 0 var(--radius) var(--radius) 0; font-size: 13.5px; color: var(--muted); line-height: 1.8; }
.news-source a { color: var(--brand); }
.news-actions { margin-top: 32px; text-align: center; }