/* ===== 未来可期 站点共用样式 =====
   风格参考：LinkedIn Business 中文站
   主色 #0A66C2，白底、大面积留白、卡片式信息块
*/
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --blue: #0A66C2;
  --blue-dark: #004182;
  --blue-soft: #EAF3FC;
  --ink: #1D2226;
  --ink-soft: #56687A;
  --ink-faint: #8A9AA8;
  --line: #E0E0E0;
  --line-soft: #EEF3F7;
  --bg-soft: #F3F6F9;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: #fff;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1128px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 820px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 64px;
  display: flex; align-items: center; gap: 18px;
}
.brand {
  font-size: 20px; font-weight: 700; letter-spacing: -0.01em; color: var(--blue);
  display: flex; align-items: center; gap: 8px;
  white-space: nowrap; flex: none;
}
.brand small { font-size: 12px; font-weight: 400; color: var(--ink-faint); letter-spacing: 0.06em; }
.main-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-item { position: relative; flex: none; }
.nav-link {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 8px 11px; border-radius: 6px;
  font-size: 14px; color: var(--ink-soft); white-space: nowrap;
  transition: background .18s, color .18s;
}
.nav-link:hover, .nav-link.active { background: var(--blue-soft); color: var(--blue); }
.nav-link .caret {
  width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}
.dropdown {
  position: absolute; top: calc(100% + 6px); left: 0;
  min-width: 248px; background: #fff;
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
  padding: 8px; opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: none;
}
.dropdown a {
  display: block; padding: 10px 12px; border-radius: 6px;
  font-size: 14px; color: var(--ink);
}
.dropdown a span { display: block; font-size: 12px; color: var(--ink-faint); line-height: 1.5; }
.dropdown a:hover { background: var(--bg-soft); }
.header-cta {
  font-size: 14px; font-weight: 600; color: #fff; background: var(--blue);
  padding: 9px 20px; border-radius: 24px; white-space: nowrap;
  transition: background .18s;
}
.header-cta:hover { background: var(--blue-dark); }
.nav-toggle { display: none; }

/* ===== 通用区块 ===== */
.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.section-line { border-top: 1px solid var(--line); }

.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em;
  color: var(--blue); text-transform: uppercase; margin-bottom: 14px;
}
h1 { font-size: 46px; line-height: 1.22; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: 34px; line-height: 1.28; font-weight: 700; letter-spacing: -0.015em; }
h3 { font-size: 20px; line-height: 1.4; font-weight: 600; }
.lead { font-size: 19px; color: var(--ink-soft); margin-top: 20px; }
.muted { color: var(--ink-soft); font-size: 15px; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ===== 按钮 ===== */
.btn {
  display: inline-block; font-size: 16px; font-weight: 600;
  padding: 13px 28px; border-radius: 28px;
  transition: background .18s, color .18s, border-color .18s;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-outline { color: var(--blue); border: 1.5px solid var(--blue); }
.btn-outline:hover { background: var(--blue-soft); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.arrow-link { color: var(--blue); font-size: 15px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.arrow-link:hover { text-decoration: underline; }

/* ===== 首屏 ===== */
.hero { background: var(--bg-soft); padding: 76px 0 84px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
.hero .lead { max-width: 520px; }
.hero-art {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 26px; box-shadow: 0 10px 30px rgba(29,34,38,0.06);
}
.art-row {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 0; border-bottom: 1px solid var(--line-soft);
}
.art-row:last-child { border-bottom: 0; }
.art-dot {
  width: 38px; height: 38px; border-radius: 10px; flex: none;
  background: var(--blue-soft); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
}
.art-row .t { font-size: 15px; font-weight: 600; }
.art-row .s { font-size: 13px; color: var(--ink-faint); }
.art-bar { height: 6px; border-radius: 3px; background: var(--line-soft); margin-top: 8px; overflow: hidden; }
.art-bar i { display: block; height: 100%; background: var(--blue); }
.art-row-body { flex: 1; }

/* ===== 数据带 ===== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.stat { border-left: 2px solid var(--blue); padding-left: 20px; }
.stat b { display: block; font-size: 38px; font-weight: 700; letter-spacing: -0.02em; color: var(--blue); line-height: 1.1; }
.stat span { font-size: 14px; color: var(--ink-soft); }

/* ===== 卡片 ===== */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 32px 30px;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.card:hover { box-shadow: 0 10px 28px rgba(29,34,38,0.10); transform: translateY(-3px); border-color: #CFE0F0; }
.card-icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--blue-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.card-icon svg { width: 24px; height: 24px; stroke: var(--blue); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { margin-bottom: 10px; }
.card p { font-size: 15px; color: var(--ink-soft); }
.card .arrow-link { margin-top: 18px; }
.card-list { margin-top: 16px; padding-left: 0; list-style: none; }
.card-list li { font-size: 14px; color: var(--ink-soft); padding-left: 18px; position: relative; margin-top: 8px; }
.card-list li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--blue);
}

/* ===== 时间线（大事记） ===== */
.timeline { border-left: 2px solid var(--line); padding-left: 28px; }
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -35px; top: 8px;
  width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 2.5px solid var(--blue);
}
.tl-year { font-size: 14px; font-weight: 700; color: var(--blue); }
.tl-item h3 { font-size: 17px; margin: 4px 0 6px; }
.tl-item p { font-size: 15px; color: var(--ink-soft); }

/* ===== 功能表 / 对比表 ===== */
.table-wrap { overflow-x: auto; border-radius: 12px; }
.table {
  width: 100%; border-collapse: collapse; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  font-size: 15px;
}
.table th, .table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line-soft); }
.table th { background: var(--bg-soft); font-size: 14px; font-weight: 600; color: var(--ink); }
.table td { color: var(--ink-soft); }
.table tr:last-child td { border-bottom: 0; }
.table td:first-child { color: var(--ink); font-weight: 600; }

/* ===== 深色 CTA ===== */
.cta-band { background: var(--blue); color: #fff; padding: 72px 0; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.86); font-size: 18px; margin-top: 14px; }
.btn-white { background: #fff; color: var(--blue); }
.btn-white:hover { background: #EAF3FC; }
.btn-ghost-white { color: #fff; border: 1.5px solid rgba(255,255,255,0.7); }
.btn-ghost-white:hover { background: rgba(255,255,255,0.12); }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-soft); border-top: 1px solid var(--line); padding: 56px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid h4 { font-size: 14px; font-weight: 600; margin-bottom: 14px; }
.footer-grid a { display: block; font-size: 14px; color: var(--ink-soft); padding: 5px 0; }
.footer-grid a:hover { color: var(--blue); }
.footer-brand { font-size: 18px; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
.footer-bottom {
  border-top: 1px solid var(--line); margin-top: 40px; padding-top: 22px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: var(--ink-faint);
}
.footer-bottom a { color: var(--ink-soft); }

/* ===== 优秀案例 ===== */
.filter-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filter-btn {
  border: 1px solid var(--line); background: #fff; border-radius: 20px;
  padding: 8px 20px; font-size: 14px; color: var(--ink-soft); cursor: pointer;
  font-family: inherit; transition: background .18s, color .18s, border-color .18s;
}
.filter-btn:hover { border-color: #CFE0F0; color: var(--blue); }
.filter-btn.active { background: var(--blue); border-color: var(--blue); color: #fff; }

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden; display: flex; flex-direction: column;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.case-card:hover { box-shadow: 0 10px 28px rgba(29,34,38,0.10); transform: translateY(-3px); border-color: #CFE0F0; }
.case-cover {
  background: var(--blue-soft); padding: 22px 24px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.case-cover .tag {
  font-size: 12px; font-weight: 600; color: var(--blue);
  background: #fff; border-radius: 14px; padding: 4px 12px;
}
.case-cover .mark { font-size: 26px; font-weight: 700; color: var(--blue); opacity: .5; letter-spacing: -0.02em; }
.case-body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.case-body h3 { font-size: 17px; }
.case-body p { font-size: 14px; color: var(--ink-soft); margin-top: 10px; }
.case-metrics {
  display: flex; gap: 26px; margin-top: auto; padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}
.case-metrics b { display: block; font-size: 21px; font-weight: 700; color: var(--blue); line-height: 1.2; }
.case-metrics span { font-size: 12px; color: var(--ink-faint); }

.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.quote {
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--blue);
  border-radius: 10px; padding: 26px 26px 24px;
}
.quote p { font-size: 15px; color: var(--ink); }
.quote .who { font-size: 13px; color: var(--ink-faint); margin-top: 14px; }

/* ===== 我们的客户（Logo 墙） ===== */
.logo-wall {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
  background: #fff; border-radius: 12px; overflow: hidden;
}
.logo-tile {
  min-height: 112px; padding: 20px 18px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  color: var(--ink-faint); text-align: center;
  transition: color .2s ease, background .2s ease;
}
.logo-tile:hover { color: var(--blue); background: #F8FAFC; }
.logo-tile svg { width: 24px; height: 24px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.6; }
.logo-tile .name { font-size: 15px; font-weight: 600; letter-spacing: 0.02em; }
.logo-tile .en { display: block; font-size: 10px; letter-spacing: 0.14em; opacity: .7; font-weight: 400; }

.logo-strip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 28px; padding: 8px 0;
}
.logo-strip .item {
  display: flex; align-items: center; gap: 8px;
  color: var(--ink-faint); font-size: 14px; font-weight: 600;
  transition: color .2s ease;
}
.logo-strip .item:hover { color: var(--blue); }
.logo-strip .item svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.6; }

/* ===== 滚动渐显 ===== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.on { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ===== 响应式 ===== */
/* 中屏桌面：隐藏品牌英文副标，进一步收紧导航，防止文字折行 */
@media (max-width: 1160px) and (min-width: 901px) {
  .brand small { display: none; }
  .header-inner { gap: 12px; }
  .nav-link { padding: 8px 9px; font-size: 13px; }
  .header-cta { padding: 9px 14px; }
}

@media (max-width: 900px) {
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  .lead { font-size: 17px; }
  .section { padding: 60px 0; }
  .hero { padding: 52px 0 60px; }
  .hero-grid, .cards, .cards.two, .case-grid, .quote-grid { grid-template-columns: 1fr; gap: 28px; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .logo-strip { justify-content: center; gap: 20px 32px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .header-inner { gap: 16px; }
  .main-nav {
    position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 16px 16px; display: none;
  }
  .main-nav.open { display: flex; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 8px 12px; min-width: 0; display: none; }
  .nav-item.open .dropdown { display: block; }
  .nav-toggle {
    display: inline-flex; margin-left: auto; align-items: center; gap: 6px;
    font-size: 14px; color: var(--ink-soft); background: none; border: 1px solid var(--line);
    border-radius: 8px; padding: 7px 12px; cursor: pointer;
  }
  .header-cta { margin-left: 8px; }
}

/* ===== 应用界面（登录 / 学员中心 / 作业 / 讲师台） ===== */
.app { background: var(--bg-soft); min-height: 100vh; }
.app-shell { max-width: 1080px; margin: 0 auto; padding: 40px 24px 80px; }
.app-head { display: flex; flex-wrap: wrap; gap: 18px; align-items: flex-end; justify-content: space-between; margin-bottom: 28px; }
.app-head h1 { font-size: 30px; }
.app-head .who { font-size: 14px; color: var(--ink-soft); }

.panel { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 28px 30px; }
.panel + .panel { margin-top: 22px; }
.panel h2 { font-size: 20px; margin-bottom: 6px; }
.panel .hint { font-size: 14px; color: var(--ink-soft); }
.panel-head { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; margin-bottom: 20px; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 1px solid var(--line); margin-bottom: 26px; }
.tab {
  font-family: inherit; font-size: 15px; color: var(--ink-soft); background: none; border: 0;
  padding: 12px 16px; border-bottom: 2px solid transparent; cursor: pointer;
}
.tab:hover { color: var(--blue); }
.tab.active { color: var(--blue); border-bottom-color: var(--blue); font-weight: 600; }

.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.field .tip { font-size: 12px; color: var(--ink-faint); font-weight: 400; margin-left: 6px; }
.input, .textarea, .select {
  width: 100%; font-family: inherit; font-size: 15px; color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; padding: 11px 14px; background: #fff;
  transition: border-color .18s, box-shadow .18s;
}
.input:focus, .textarea:focus, .select:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(10,102,194,0.12);
}
.textarea { min-height: 110px; resize: vertical; line-height: 1.7; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 20px; }
.form-grid .full { grid-column: 1 / -1; }

.btn-row-sm { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 8px; }
.btn-sm { font-size: 14px; font-weight: 600; padding: 10px 22px; border-radius: 22px; border: 0; cursor: pointer; font-family: inherit; }
.btn-sm.primary { background: var(--blue); color: #fff; }
.btn-sm.primary:hover { background: var(--blue-dark); }
.btn-sm.ghost { background: #fff; color: var(--blue); border: 1.5px solid var(--blue); }
.btn-sm.ghost:hover { background: var(--blue-soft); }
.btn-sm.plain { background: var(--bg-soft); color: var(--ink-soft); }
.btn-sm.plain:hover { color: var(--ink); }
.btn-sm:disabled { opacity: .55; cursor: not-allowed; }
.btn-text { background: none; border: 0; color: var(--blue); font-size: 14px; font-family: inherit; cursor: pointer; padding: 0; }
.btn-text:hover { text-decoration: underline; }

.badge { display: inline-block; font-size: 12px; border-radius: 12px; padding: 3px 11px; background: var(--bg-soft); color: var(--ink-soft); }
.badge.pending { background: #FAEEDA; color: #633806; }
.badge.done { background: #EAF3FC; color: var(--blue-dark); }
.badge.graded { background: #EAF3DE; color: #27500A; }
.badge.role { background: #EEEDFE; color: #3C3489; }

.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th, .data-table td { padding: 13px 14px; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
.data-table th { font-size: 13px; color: var(--ink-soft); font-weight: 600; background: var(--bg-soft); }
.data-table tr:last-child td { border-bottom: 0; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: #fff; }

.notice { border-radius: 10px; padding: 14px 18px; font-size: 14px; margin-bottom: 18px; border: 1px solid var(--line); background: #fff; }
.notice.info { background: var(--blue-soft); border-color: #CFE0F0; color: var(--blue-dark); }
.notice.warn { background: #FAEEDA; border-color: #F0DCB4; color: #633806; }
.notice.error { background: #FCEBEB; border-color: #F3CFCF; color: #791F1F; }
.notice.ok { background: #EAF3DE; border-color: #D3E4BC; color: #27500A; }

.empty { text-align: center; padding: 48px 20px; color: var(--ink-faint); font-size: 15px; }
.loading { text-align: center; padding: 40px; color: var(--ink-faint); font-size: 15px; }

/* 作业作答 */
.q-block { border: 1px solid var(--line); border-radius: 10px; padding: 22px 24px; margin-bottom: 16px; background: #fff; }
.q-block .q-title { font-size: 16px; font-weight: 600; margin-bottom: 14px; line-height: 1.6; }
.q-block .q-score { font-size: 13px; color: var(--ink-faint); font-weight: 400; margin-left: 6px; }
.opt {
  display: flex; align-items: flex-start; gap: 10px; padding: 10px 14px; border: 1px solid var(--line);
  border-radius: 8px; margin-bottom: 9px; cursor: pointer; font-size: 15px;
  transition: border-color .16s, background .16s;
}
.opt:hover { border-color: #CFE0F0; background: #F8FAFC; }
.opt input { margin-top: 4px; accent-color: var(--blue); }
.opt.checked { border-color: var(--blue); background: var(--blue-soft); }

.score-line { display: flex; flex-wrap: wrap; gap: 30px; margin-bottom: 20px; }
.score-line b { display: block; font-size: 26px; color: var(--blue); font-weight: 700; line-height: 1.2; }
.score-line span { font-size: 13px; color: var(--ink-faint); }

.file-list { list-style: none; font-size: 14px; }
.file-list li { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line-soft); }
.file-list li:last-child { border-bottom: 0; }

.avatar {
  width: 44px; height: 44px; border-radius: 50%; background: var(--blue-soft); color: var(--blue);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; flex: none;
}
.user-row { display: flex; align-items: center; gap: 14px; }

@media (max-width: 900px) {
  .app-shell { padding: 24px 18px 60px; }
  .app-head h1 { font-size: 24px; }
  .panel { padding: 22px 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .tabs { gap: 0; }
}

/* ===== 联系我们页 ===== */
.contact-hero { background: var(--blue-soft); padding: 72px 0 56px; }
.contact-hero h1 { font-size: 42px; line-height: 1.25; letter-spacing: -0.01em; }
.contact-hero .lead { max-width: 640px; margin-top: 16px; font-size: 18px; color: var(--ink-soft); }

.contact-grid { display: grid; grid-template-columns: 1fr 420px; gap: 56px; align-items: start; padding: 64px 0; }

.co-block h2 { font-size: 26px; margin-bottom: 8px; }
.co-block > p { color: var(--ink-soft); margin-bottom: 24px; }

.steps { display: flex; flex-direction: column; gap: 20px; margin-bottom: 48px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step-num {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  background: var(--blue); color: #fff; font-weight: 600; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
}
.step-body .t { font-weight: 600; }
.step-body .s { font-size: 14px; color: var(--ink-soft); }

.value-cards { display: grid; grid-template-columns: 1fr; gap: 14px; }
.value-card {
  border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px;
  background: #fff;
}
.value-card .t { font-weight: 600; margin-bottom: 4px; }
.value-card .s { font-size: 14px; color: var(--ink-soft); }

.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 28px; position: sticky; top: 88px;
}
.form-card h3 { font-size: 20px; margin-bottom: 4px; }
.form-card .form-sub { font-size: 13px; color: var(--ink-soft); margin-bottom: 20px; }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.field label em { color: #C8381D; font-style: normal; margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 12px; font-size: 14px; font-family: inherit;
  border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 2px rgba(10,102,194,.15);
}
.field textarea { resize: vertical; min-height: 84px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.privacy-note { font-size: 12px; color: var(--ink-faint); line-height: 1.6; margin-top: 12px; }

.form-success { text-align: center; padding: 32px 8px; }
.form-success .ok {
  width: 52px; height: 52px; border-radius: 50%; background: #E7F4EA; color: #1E7B34;
  font-size: 26px; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px;
}
.form-success h3 { margin-bottom: 6px; }
.form-success p { font-size: 14px; color: var(--ink-soft); }

.contact-info { background: var(--bg-soft); padding: 48px 0; }
.contact-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.contact-info .t { font-weight: 600; margin-bottom: 4px; }
.contact-info .s { font-size: 14px; color: var(--ink-soft); }

@media (max-width: 900px) {
  .contact-hero h1 { font-size: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; padding: 48px 0; }
  .form-card { position: static; }
  .contact-info-grid { grid-template-columns: 1fr; gap: 20px; }
}

/* ===== 未来可期 · 全站补充样式 ===== */
.center { text-align: center; }
.lang-switch { display: flex; gap: 4px; margin-left: 8px; flex: none; }
.lang-btn { border: 1px solid var(--line); background: #fff; border-radius: 16px; padding: 4px 12px; font-size: 13px; color: var(--ink-soft); cursor: pointer; }
.lang-btn.active { background: var(--blue); border-color: var(--blue); color: #fff; }

.page-hero { background: var(--blue-soft); padding: 64px 0; }
.page-hero h1 { font-size: 38px; line-height: 1.25; }
.page-hero p { margin-top: 12px; color: var(--ink-soft); font-size: 17px; }

/* 首屏 Banner 轮播 */
.hero-carousel { position: relative; background: var(--blue-dark); color: #fff; overflow: hidden; }
.hero-carousel .slides { display: grid; }
.hero-carousel .slide { grid-area: 1 / 1; opacity: 0; transition: opacity .6s; padding: 96px 0 104px; pointer-events: none; }
.hero-carousel .slide.active { opacity: 1; pointer-events: auto; }
.hero-carousel h1 { font-size: 46px; line-height: 1.2; max-width: 720px; }
.hero-carousel .slide-sub { font-size: 19px; margin-top: 16px; color: rgba(255,255,255,.85); letter-spacing: .04em; }
.hero-carousel .eyebrow { color: #9FC7EC; }
.hero-carousel .btn-row { margin-top: 30px; }
.car-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,.4); background: rgba(0,0,0,.18); color: #fff; font-size: 22px; line-height: 1; cursor: pointer; }
.car-arrow:hover { background: rgba(0,0,0,.34); }
.car-arrow.prev { left: 18px; }
.car-arrow.next { right: 18px; }
.dots { position: absolute; bottom: 26px; left: 0; right: 0; display: flex; justify-content: center; gap: 10px; }
.dot { width: 9px; height: 9px; border-radius: 50%; border: 0; background: rgba(255,255,255,.4); cursor: pointer; padding: 0; }
.dot.active { background: #fff; }

/* 数据区 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.stat-num { font-size: 44px; font-weight: 700; color: var(--blue); letter-spacing: -0.02em; line-height: 1.1; white-space: nowrap; }
.stat-label { margin-top: 6px; color: var(--ink-soft); font-size: 15px; }

/* 服务概览编号 */
.svc-no { font-size: 14px; font-weight: 700; color: var(--blue); opacity: .75; letter-spacing: .08em; display: block; }
.svc-overview .card .svc-no { margin-bottom: 10px; }

/* 案例轮播（首页） */
.case-carousel { display: flex; align-items: stretch; gap: 14px; }
.case-carousel .car-arrow { position: static; transform: none; border-color: var(--line); color: var(--ink); background: #fff; flex: none; align-self: center; }
.case-carousel .car-arrow:hover { background: var(--blue-soft); }
.case-viewport { overflow: hidden; flex: 1; }
.case-track { display: flex; gap: 20px; transition: transform .45s; }
.case-slide { flex: 0 0 calc(50% - 10px); background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.cc-logo { display: inline-flex; align-items: center; justify-content: center; min-width: 72px; height: 36px; padding: 0 12px; border-radius: 8px; background: var(--blue-soft); color: var(--blue); font-weight: 700; font-size: 14px; letter-spacing: .04em; }
.case-slide .cc-name { margin-top: 14px; font-weight: 600; }
.case-slide p { margin-top: 8px; font-size: 14px; color: var(--ink-soft); }

/* 服务页：锚点导航 + 展开收起 */
.service-layout { display: grid; grid-template-columns: 230px 1fr; gap: 48px; align-items: start; }
.anchor-nav { position: sticky; top: 88px; display: flex; flex-direction: column; border-left: 2px solid var(--line); }
.anchor-nav a { padding: 10px 0 10px 18px; color: var(--ink-soft); font-size: 15px; border-left: 2px solid transparent; margin-left: -2px; }
.anchor-nav a:hover { color: var(--blue); }
.anchor-nav a.active { color: var(--blue); border-left-color: var(--blue); font-weight: 600; }
.svc-list { display: flex; flex-direction: column; gap: 20px; }
.svc-block { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.svc-head { width: 100%; display: flex; align-items: center; gap: 16px; padding: 20px 24px; background: none; border: 0; cursor: pointer; text-align: left; font-family: inherit; }
.svc-head h2 { font-size: 20px; flex: 1; }
.svc-toggle { position: relative; width: 18px; height: 18px; flex: none; }
.svc-toggle::before, .svc-toggle::after { content: ''; position: absolute; background: var(--blue); border-radius: 2px; transition: transform .25s; }
.svc-toggle::before { left: 0; top: 8px; width: 18px; height: 2px; }
.svc-toggle::after { left: 8px; top: 0; width: 2px; height: 18px; }
.svc-block.open .svc-toggle::after { transform: scaleY(0); }
.svc-body { display: none; padding: 4px 24px 26px; }
.svc-block.open .svc-body { display: block; }
.svc-body > p { color: var(--ink-soft); margin-bottom: 18px; }
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc-grid h4 { font-size: 15px; margin-bottom: 10px; color: var(--blue); }
.svc-grid ul { list-style: none; }
.svc-grid li { font-size: 14px; color: var(--ink-soft); padding: 5px 0 5px 16px; position: relative; }
.svc-grid li::before { content: ''; position: absolute; left: 0; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); opacity: .5; }
.svc-flow { margin-top: 16px; padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.svc-flow h2 { font-size: 20px; margin-bottom: 20px; }
.flow-steps { display: flex; flex-wrap: wrap; gap: 12px; }
.flow-step { flex: 1; min-width: 120px; display: flex; align-items: center; gap: 10px; background: var(--blue-soft); border-radius: 10px; padding: 14px 16px; font-size: 14px; transition: background .2s, transform .2s; }
.flow-step:hover { background: #DCEBFA; transform: translateY(-2px); }
.flow-step b { width: 26px; height: 26px; border-radius: 50%; background: var(--blue); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; flex: none; }

/* 筛选与标签 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.tag { font-size: 12px; padding: 3px 10px; border-radius: 20px; background: var(--bg-soft); color: var(--ink-soft); border: 1px solid var(--line); }
.tag-blue { background: var(--blue-soft); color: var(--blue); border-color: transparent; }
.case-card { cursor: pointer; transition: box-shadow .2s, transform .2s; }
.case-card:hover { box-shadow: 0 10px 28px rgba(16,48,77,.12); transform: translateY(-3px); }
.case-logo-row { margin: 4px 0 12px; }
.case-quote { margin: 18px 0 0; padding: 14px 18px; background: var(--blue-soft); border-left: 3px solid var(--blue); border-radius: 8px; font-size: 14px; }
.case-quote footer { margin-top: 8px; color: var(--ink-soft); font-size: 13px; }

/* 模态框 */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal-mask { position: absolute; inset: 0; background: rgba(13,27,42,.55); }
.modal-card { position: relative; background: #fff; border-radius: 14px; max-width: 680px; width: 100%; max-height: 82vh; overflow: auto; padding: 32px; }
.modal-card h2 { font-size: 24px; margin-bottom: 14px; }
.modal-card h4 { margin: 16px 0 6px; color: var(--blue); font-size: 15px; }
.modal-close { position: absolute; top: 14px; right: 16px; width: 34px; height: 34px; border-radius: 50%; border: 0; background: var(--bg-soft); font-size: 20px; cursor: pointer; color: var(--ink-soft); }
.modal-close:hover { background: var(--line); }

/* 关于我们 */
.lead-text { font-size: 17px; color: var(--ink-soft); line-height: 1.9; }
.value-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.value-item { background: var(--blue-soft); border-radius: 12px; padding: 22px; }
.value-item b { color: var(--blue); font-size: 15px; }
.value-item p { margin-top: 8px; font-size: 14px; color: var(--ink-soft); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.member-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px; text-align: center; }
.member-avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--blue); color: #fff; font-size: 24px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; }
.member-card h3 { font-size: 17px; }
.member-role { font-size: 13px; color: var(--blue); margin: 4px 0 10px; }
.member-card p { font-size: 13px; color: var(--ink-soft); text-align: left; }
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.honor-card { background: #fff; border: 1px dashed var(--line); border-radius: 12px; padding: 26px 20px; text-align: center; font-size: 15px; font-weight: 600; color: var(--ink-soft); }

/* 登录页两栏 */
.login-shell { max-width: 1080px; }
.login-grid { display: grid; grid-template-columns: 1.1fr 460px; gap: 48px; align-items: start; }
.login-intro .eyebrow { color: var(--blue); }
.feature-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 22px 0 30px; }
.feature-card { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; display: flex; flex-direction: column; gap: 3px; }
.feature-card b { font-size: 14px; }
.feature-card span { font-size: 12.5px; color: var(--ink-soft); }
.faq h3 { font-size: 17px; margin-bottom: 12px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px; background: none; border: 0; padding: 13px 2px; font-size: 14.5px; font-weight: 600; color: var(--ink); cursor: pointer; text-align: left; font-family: inherit; }
.faq-q i { position: relative; width: 12px; height: 12px; flex: none; }
.faq-q i::before, .faq-q i::after { content: ''; position: absolute; background: var(--blue); border-radius: 1px; }
.faq-q i::before { left: 0; top: 5px; width: 12px; height: 2px; }
.faq-q i::after { left: 5px; top: 0; width: 2px; height: 12px; transition: transform .2s; }
.faq-item.open .faq-q i::after { transform: scaleY(0); }
.faq-a { display: none; padding: 0 2px 14px; font-size: 13.5px; color: var(--ink-soft); }
.faq-item.open .faq-a { display: block; }

/* 地图卡 */
.map-card { display: grid; grid-template-columns: 1.2fr 1fr; margin-top: 36px; background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.map-visual { position: relative; min-height: 260px; background: #EAF0F5; }
.map-grid { position: absolute; inset: 0; background-image: linear-gradient(#D7E2EA 1px, transparent 1px), linear-gradient(90deg, #D7E2EA 1px, transparent 1px); background-size: 36px 36px; }
.map-pin { position: absolute; left: 50%; top: 46%; width: 22px; height: 22px; border-radius: 50% 50% 50% 0; background: var(--blue); transform: rotate(-45deg); box-shadow: -2px 2px 0 rgba(0,0,0,.08); }
.map-pin::after { content: ''; position: absolute; inset: 6px; border-radius: 50%; background: #fff; }
.map-side { padding: 30px; }
.map-side h3 { font-size: 19px; margin-bottom: 10px; }
.map-side p { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 10px; }
.map-side .btn { margin-top: 10px; }

/* 响应式补充 */
@media (max-width: 900px) {
  .hero-carousel .slide { padding: 64px 0 84px; }
  .hero-carousel h1 { font-size: 30px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .case-slide { flex: 0 0 100%; }
  .service-layout { grid-template-columns: 1fr; }
  .anchor-nav { position: static; flex-direction: row; flex-wrap: wrap; border-left: 0; gap: 6px; }
  .anchor-nav a { border: 1px solid var(--line); border-radius: 18px; padding: 6px 14px; margin: 0; }
  .anchor-nav a.active { border-color: var(--blue); }
  .svc-grid { grid-template-columns: 1fr; }
  .value-row { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .honor-grid { grid-template-columns: 1fr 1fr; }
  .login-grid { grid-template-columns: 1fr; }
  .map-card { grid-template-columns: 1fr; }
  .modal-card { padding: 24px 18px; }
}