/* ==== from partners/index.html ==== */

/* ==================== Design Tokens (与主站一致) ==================== */
:root {
  --bg: #f7f8fa;
  --panel: #ffffff;
  --text: #17171b;
  --muted: #6f7078;
  --muted-2: #9a9aa3;
  --border: #e5e5eb;
  --soft: #f2f1f7;
  --purple: #5b2ee6;
  --purple-dark: #4320bd;
  --purple-soft: #eee9ff;
  --green: #29a96b;
  --green-soft: #e9f8f1;
  --green-text: #168653;
  --red: #df3c54;
  --red-soft: #fdecef;
  --red-text: #c92b44;
  --orange: #ee8c20;
  --orange-soft: #fff3e4;
  --orange-text: #cc6d07;
  --shadow: 0 8px 24px rgba(36, 24, 70, .08);
  --shadow-lg: 0 16px 48px rgba(36, 24, 70, .12);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-xs: 8px;
  --transition: .22s cubic-bezier(.4, 0, .2, 1);
  --max-w: 1280px;
  --gradient: linear-gradient(135deg, #5b2ee6, #9a6cff);
  --gradient-hover: linear-gradient(135deg, #4320bd, #7b4fff);
  --dark: #181822;
  --dark-2: #21222f;
  --footer-bg: #17142a;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.65;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ==================== Navbar ==================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 68px; display: flex; align-items: center;
  background: rgba(255,255,255,.92); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: var(--transition);
}
.nav.scrolled { border-bottom-color: var(--border); box-shadow: 0 1px 12px rgba(36,24,70,.04); }
.nav .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-logo { display: flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 800; letter-spacing: -.3px; }
.nav-logo .logo-mark {
  width: 36px; height: 36px; border-radius: 10px; background: var(--gradient);
  color: #fff; display: grid; place-items: center; font-weight: 900; font-size: 15px;
  box-shadow: 0 6px 18px rgba(91,46,230,.26);
}
.nav-menu { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-menu a { color: #4d4e56; font-size: 15px; font-weight: 550; transition: var(--transition); }
.nav-menu a:hover { color: var(--purple); }
.nav-menu a.active { color: var(--purple); font-weight: 700; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.btn-ghost {
  padding: 9px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
  color: #393a41; border: 1px solid var(--border); background: #fff; transition: var(--transition);
}
.btn-ghost:hover { box-shadow: 0 4px 14px rgba(0,0,0,.06); }
.btn-primary {
  padding: 9px 22px; border-radius: 999px; font-size: 14px; font-weight: 600;
  background: var(--purple); color: #fff; transition: var(--transition);
  box-shadow: 0 4px 14px rgba(91,46,230,.22); display: inline-flex; align-items: center;
}
.btn-primary:hover { background: var(--purple-dark); box-shadow: 0 6px 20px rgba(91,46,230,.36); }
.btn-gradient {
  padding: 13px 30px; border-radius: 999px; font-size: 16px; font-weight: 700;
  background: var(--gradient); color: #fff; transition: var(--transition);
  box-shadow: 0 6px 20px rgba(91,46,230,.28); display: inline-flex; align-items: center; gap: 8px;
}
.btn-gradient:hover { background: var(--gradient-hover); transform: translateY(-1px); box-shadow: 0 8px 28px rgba(91,46,230,.4); }
.btn-outline {
  padding: 13px 30px; border-radius: 999px; font-size: 16px; font-weight: 600;
  color: var(--text); border: 1.5px solid var(--border); background: #fff; transition: var(--transition);
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-outline:hover { border-color: var(--purple); color: var(--purple); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ==================== 通用 Section ==================== */
.section { padding: 96px 0; width: 100%; }
.section-eyebrow { display: inline-block; font-size: 13px; font-weight: 700; color: var(--purple); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(28px, 3.2vw, 40px); font-weight: 800; letter-spacing: -.8px; margin-bottom: 14px; line-height: 1.2; }
.section-head p { font-size: 17px; color: var(--muted); line-height: 1.6; }
.section-head.white h2 { color: #fff; }
.section-head.white p { color: #a0a0b0; }

/* ==================== Hero ==================== */
.hero {
  padding: 160px 0 96px; width: 100%;
  background: linear-gradient(180deg, #e7dfff 0%, #f1ecff 55%, #f7f8fa 100%);
}
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px;
  background: rgba(255,255,255,.75); border: 1px solid #ddd5f7; border-radius: 100px;
  font-size: 13px; font-weight: 600; color: var(--purple); margin-bottom: 24px;
}
.hero h1 {
  font-family: Georgia, "Times New Roman", Inter, "PingFang SC", "Microsoft YaHei", serif;
  font-size: clamp(32px, 3.8vw, 50px); font-weight: 700; line-height: 1.18;
  letter-spacing: -.8px; margin-bottom: 22px; max-width: 600px;
}
.hero h1 .grad { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: 17.5px; color: #4d4e56; max-width: 560px; margin-bottom: 34px; line-height: 1.7; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 30px; }
.hero-trust span { font-size: 13.5px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.hero-trust .check { width: 18px; height: 18px; border-radius: 50%; background: var(--green-soft); color: var(--green-text); display: inline-grid; place-items: center; font-size: 11px; font-weight: 800; }

/* Hero 右侧：生态示意卡 */
.hero-visual { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-lg); }
.hv-head { text-align: center; margin-bottom: 24px; }
.hv-head h4 { font-size: 18px; font-weight: 800; }
.hv-head p { font-size: 13px; color: var(--muted); margin-top: 4px; }
.hv-eco {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  align-items: center; justify-items: center;
}
.hv-core {
  grid-column: 1 / -1; width: 100%; text-align: center;
  border-radius: 16px; padding: 24px 18px;
  background: linear-gradient(160deg, #9a6cff 0%, #5b2ee6 100%); color: #fff;
  box-shadow: 0 14px 32px rgba(91,46,230,.3);
}
.hv-core h5 { font-size: 18px; font-weight: 800; margin-bottom: 6px; letter-spacing: -.3px; }
.hv-core p { font-size: 12.5px; color: #e5d9ff; }
.hv-chip {
  width: 100%; text-align: center; padding: 14px 10px;
  border: 1px solid var(--border); border-radius: 12px; background: #fbfbfd;
}
.hv-chip b { font-size: 14.5px; display: block; }
.hv-chip span { font-size: 12px; color: var(--muted); }
.hv-note { margin-top: 20px; text-align: center; font-size: 13px; color: var(--muted); border-top: 1px dashed var(--border); padding-top: 18px; }

/* ==================== 合作类型卡片 ==================== */
.pt-section { background: var(--bg); }
.pt-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.pt-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 32px; display: flex; flex-direction: column; position: relative;
  transition: var(--transition);
}
.pt-card:hover { border-color: #c9bcff; box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pt-card .pt-icon {
  width: 54px; height: 54px; border-radius: 14px; background: var(--gradient);
  color: #fff; display: grid; place-items: center; font-size: 24px; margin-bottom: 18px;
  box-shadow: 0 6px 18px rgba(91,46,230,.22);
}
.pt-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 10px; letter-spacing: -.3px; }
.pt-card > p { font-size: 14.5px; color: var(--muted); line-height: 1.7; margin-bottom: 18px; flex: 1; }
.pt-suit {
  background: var(--soft); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 14px; margin-bottom: 20px;
}
.pt-suit b { display: block; font-size: 12px; letter-spacing: .05em; color: var(--muted-2); margin-bottom: 6px; text-transform: uppercase; }
.pt-suit span { font-size: 13px; color: var(--text); line-height: 1.6; }
.pt-cta { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: var(--purple); transition: gap .2s; }
.pt-card:hover .pt-cta { gap: 12px; }

/* ==================== 伙伴网络价值 ==================== */
.value-section { background: #fff; }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value-card {
  text-align: center; padding: 32px 22px;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  transition: var(--transition);
}
.value-card:hover { border-color: #c9bcff; box-shadow: var(--shadow); transform: translateY(-3px); }
.value-card .vc-icon {
  width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 16px;
  background: var(--purple-soft); display: grid; place-items: center; font-size: 26px;
}
.value-card h4 { font-size: 16.5px; font-weight: 750; margin-bottom: 10px; }
.value-card p { font-size: 13.5px; color: var(--muted); line-height: 1.65; }

/* ==================== 伙伴资源中心 ==================== */
.res-strip { background: linear-gradient(135deg, #f3efff 0%, #f7f5ff 100%); border-top: 1px solid #e8e4f5; border-bottom: 1px solid #e8e4f5; padding: 56px 0; width: 100%; }
.res-strip-head { text-align: center; margin-bottom: 32px; }
.res-strip-head h3 { font-size: 22px; font-weight: 800; letter-spacing: -.4px; }
.res-strip-head p { font-size: 14px; color: var(--muted); margin-top: 6px; }
.res-strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.res-strip-item {
  background: var(--panel); border: 1px solid #e0d8f5; border-radius: var(--radius-sm);
  padding: 20px 18px; text-align: center; transition: var(--transition);
}
.res-strip-item:hover { border-color: #c9bcff; box-shadow: var(--shadow); transform: translateY(-2px); }
.res-strip-item .ri-icon { font-size: 24px; margin-bottom: 10px; }
.res-strip-item b { font-size: 14.5px; font-weight: 750; display: block; margin-bottom: 6px; }
.res-strip-item span { font-size: 12.5px; color: var(--muted); line-height: 1.55; display: block; }

/* ==================== 成功案例 ==================== */
.case-section { background: var(--bg); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: var(--transition);
}
.case-card:hover { border-color: #c9bcff; box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.case-tag {
  display: inline-block; font-size: 12px; font-weight: 700; color: var(--purple);
  background: var(--purple-soft); border-radius: 999px; padding: 4px 12px; align-self: flex-start;
}
.case-card-body { padding: 28px; flex: 1; }
.case-card-body h3 { font-size: 18px; font-weight: 800; margin: 14px 0 10px; letter-spacing: -.3px; line-height: 1.4; }
.case-card-body p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.case-card-footer { padding: 16px 28px; border-top: 1px solid var(--border); font-size: 14px; font-weight: 700; color: var(--purple); }

/* ==================== CTA 横带 ==================== */
.cta-band { background: linear-gradient(135deg, #1d1830 0%, #2a1f4d 55%, #3b2670 100%); color: #fff; padding: 88px 0; width: 100%; position: relative; overflow: hidden; }
.cta-band::before {
  content: ''; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px;
  border-radius: 50%; background: radial-gradient(circle, rgba(154,108,255,.28) 0%, transparent 70%);
}
.cta-band::after {
  content: ''; position: absolute; left: -100px; bottom: -140px; width: 360px; height: 360px;
  border-radius: 50%; background: radial-gradient(circle, rgba(91,46,230,.35) 0%, transparent 70%);
}
.cta-inner { position: relative; text-align: center; max-width: 760px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(28px, 3.2vw, 40px); font-weight: 800; margin-bottom: 16px; letter-spacing: -.8px; }
.cta-inner > p { font-size: 16.5px; color: #b9b0d6; margin-bottom: 34px; line-height: 1.7; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-white {
  padding: 14px 34px; border-radius: 999px; font-size: 16px; font-weight: 700;
  background: #fff; color: var(--purple-dark); transition: var(--transition);
  display: inline-flex; align-items: center; gap: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.btn-white:hover { background: #eee9ff; transform: translateY(-2px); }
.btn-border {
  padding: 14px 34px; border-radius: 999px; font-size: 16px; font-weight: 650;
  border: 1.5px solid rgba(255,255,255,.35); color: #fff; transition: var(--transition);
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-border:hover { border-color: #fff; background: rgba(255,255,255,.08); }

/* ==================== 寻找伙伴入口 ==================== */
.lookup-section { background: #fff; padding-bottom: 96px; }
.lookup-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.lookup-card {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
  background: var(--bg); transition: var(--transition);
}
.lookup-card:hover { border-color: #c9bcff; box-shadow: var(--shadow); transform: translateY(-3px); }
.lookup-card .lk-icon { font-size: 26px; margin-bottom: 12px; }
.lookup-card h4 { font-size: 16px; font-weight: 750; margin-bottom: 8px; }
.lookup-card p { font-size: 13.5px; color: var(--muted); line-height: 1.6; }
.lookup-card .lk-mail {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 14px;
  font-size: 13.5px; font-weight: 700; color: var(--purple);
}
.lookup-card .lk-mail:hover { text-decoration: underline; }

/* ==================== Footer ==================== */
.footer { background: var(--footer-bg); color: #c9c9d4; padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .nav-logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: #8a8b94; max-width: 280px; line-height: 1.6; }
.footer-col h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: #8a8b94; transition: var(--transition); }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-bottom p { font-size: 13px; color: #6a6b74; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,.06); display: grid; place-items: center; font-size: 16px; transition: var(--transition); }
.footer-social a:hover { background: rgba(91,46,230,.2); }

/* ==================== Scroll Reveal ==================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ==================== Responsive ==================== */
@media (max-width: 900px) {
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .nav-menu.active { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: #fff; padding: 20px 24px; gap: 8px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
  .hero { padding-top: 120px; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .pt-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr 1fr; }
  .res-strip-grid { grid-template-columns: 1fr 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .lookup-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section { padding: 72px 0; }
}
@media (max-width: 500px) {
  .value-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ==================== Modal 案例详情 ==================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center; padding: 24px;
  background: rgba(23, 20, 42, .55); backdrop-filter: blur(4px);
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--panel); border-radius: var(--radius); max-width: 620px; width: 100%;
  max-height: 82vh; overflow-y: auto; box-shadow: var(--shadow-lg);
  transform: translateY(14px); opacity: 0; transition: all .25s cubic-bezier(.4, 0, .2, 1);
}
.modal-overlay.open .modal { transform: translateY(0); opacity: 1; }
.modal-head {
  position: sticky; top: 0; display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; padding: 28px 32px 0; background: var(--panel); z-index: 1;
}
.modal-head h3 { font-size: 21px; font-weight: 800; letter-spacing: -.4px; line-height: 1.3; }
.modal-head .modal-eyebrow { font-size: 12px; font-weight: 700; color: var(--purple); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 6px; display: block; }
.modal-close {
  width: 34px; height: 34px; flex: 0 0 auto; border-radius: 50%; border: 1px solid var(--border);
  background: var(--soft); color: var(--muted); font-size: 15px; line-height: 1; display: grid; place-items: center;
  transition: var(--transition);
}
.modal-close:hover { background: var(--purple-soft); color: var(--purple); border-color: #c9bcff; }
.modal-body { padding: 20px 32px 8px; }
.modal-body h4 { font-size: 15px; font-weight: 750; margin: 16px 0 8px; }
.modal-body p { font-size: 14.5px; color: var(--muted); line-height: 1.75; margin-bottom: 12px; }
.modal-metrics { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin: 16px 0 8px; }
.modal-metric { background: var(--soft); border-radius: var(--radius-sm); padding: 14px 12px; text-align: center; }
.modal-metric b { display: block; font-size: 20px; font-weight: 800; color: var(--purple); }
.modal-metric span { font-size: 12px; color: var(--muted); }
.modal-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 16px 32px 30px; border-top: 1px solid var(--border); margin-top: 4px;
}
.modal-foot .mf-note { font-size: 13px; color: var(--muted-2); }
.modal-foot a { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700; color: var(--purple); transition: var(--transition); }
.modal-foot a:hover { gap: 10px; }

/* Toast 轻提示 */
.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(16px);
  z-index: 300; background: var(--dark); color: #fff; font-size: 14px;
  padding: 12px 22px; border-radius: 100px; box-shadow: 0 10px 30px rgba(0,0,0,.25);
  opacity: 0; pointer-events: none; transition: all .28s cubic-bezier(.4, 0, .2, 1);
  max-width: 90vw; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (max-width: 500px) {
  .modal-head { padding: 22px 22px 0; }
  .modal-body { padding: 16px 22px 6px; }
  .modal-foot { padding: 14px 22px 24px; }
  .modal-metrics { grid-template-columns: 1fr; }
}
/* ===== 解决方案 Mega Menu（仿 Vanta 下拉） ===== */
.nav-dropdown { position: relative; }
.nav-dropdown-trigger { display: inline-flex; align-items: center; gap: 4px; cursor: pointer; }
.nav-dropdown-trigger .caret { font-size: 10px; opacity: .7; transition: transform .2s; }
.nav-dropdown:hover .nav-dropdown-trigger .caret { transform: rotate(180deg); }

.mega-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  width: 720px;
  max-width: 92vw;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(23,23,27,.16), 0 0 0 1px rgba(23,23,27,.05);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 1000;
}
/* 透明桥接，避免光标从触发词移到面板时 hover 中断 */
.mega-menu::before { content: ""; position: absolute; top: -14px; left: 0; right: 0; height: 14px; }
.nav-dropdown:hover .mega-menu,
.nav-dropdown:focus-within .mega-menu {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.mega-menu-inner { display: flex; min-height: 372px; }

/* 左侧分类 Tabs */
.mega-tabs {
  width: 172px; flex-shrink: 0;
  padding: 16px 12px;
  background: #f7f7fb;
  border-radius: 16px 0 0 16px;
  display: flex; flex-direction: column; gap: 6px;
}
.mega-tab {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 12px 14px;
  border: none; border-radius: 10px; background: transparent;
  color: #4d4e56; font-size: 13px; font-weight: 600; font-family: inherit;
  cursor: pointer; transition: background .15s, color .15s; text-align: left;
}
.mega-tab:hover { background: rgba(91,46,230,.07); color: var(--purple); }
.mega-tab.active { background: var(--gradient); color: #fff; box-shadow: 0 4px 12px rgba(91,46,230,.28); }
.mega-tab .tab-arrow { font-size: 12px; opacity: .55; }

/* 右侧内容 */
.mega-content { flex: 1; padding: 24px 26px; position: relative; }
.mega-panel { display: none; }
.mega-panel.active { display: flex; flex-direction: column; height: 100%; }
.mega-panel-head h4 { font-size: 16px; font-weight: 700; color: var(--purple); margin: 0 0 6px; }
.mega-panel-head p { font-size: 13px; color: #6b6c75; margin: 0 0 18px; line-height: 1.5; }
.mega-items { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.mega-item {
  display: flex; gap: 12px; padding: 13px 14px;
  border-radius: 12px; background: #f7f7fb; border: 1px solid #ececf2;
  text-decoration: none; transition: border-color .15s, box-shadow .15s, transform .15s;
}
.mega-item:hover { border-color: #c7b8ff; box-shadow: 0 4px 14px rgba(91,46,230,.1); transform: translateY(-1px); }
.mega-item-wide { grid-column: 1 / -1; }
.mega-item-icon { font-size: 20px; line-height: 1; flex-shrink: 0; }
.mega-item-body h5 { font-size: 13px; font-weight: 600; color: var(--text); margin: 0 0 4px; }
.mega-item-body p { font-size: 12px; color: #6b6c75; margin: 0; line-height: 1.45; }
.mega-footer-link {
  margin-top: auto; padding-top: 16px;
  font-size: 13px; font-weight: 600; color: var(--purple); text-decoration: none;
}
.mega-footer-link:hover { text-decoration: underline; }

/* 合作伙伴下拉专用 */
.mega-menu-partners { width: 660px; }
.mega-menu-partners .mega-tabs { width: 200px; }
.mega-menu-partners .mega-tab .tab-label { white-space: nowrap; }
.mega-items-1col { grid-template-columns: 1fr; }
.mega-testimonial {
  margin-top: 16px; padding: 15px 16px;
  background: #f7f7fb; border: 1px solid #ececf2; border-radius: 12px;
}
.mega-testimonial p {
  font-size: 13px; color: #475569; margin: 0 0 10px; line-height: 1.55; font-style: italic;
}

/* ===== 能力架构 mega-menu（金字塔原理：先总览、后分述） ===== */
.mega-menu-arch { width: 800px; }
.mega-menu-arch .mega-tabs { width: 196px; }
.mega-menu-arch .mega-tab .tab-label { white-space: normal; line-height: 1.25; text-align: left; }
.mega-arch-tag { display: inline-block; font-size: 11px; font-weight: 700; color: #fff; background: #7b4fff; border-radius: 100px; padding: 2px 9px; margin-left: 8px; vertical-align: middle; }
.mega-arch-effect { font-size: 12px; color: var(--purple); background: var(--purple-soft, #f3efff); border: 1px solid #e3ddf5; border-radius: 8px; padding: 8px 10px; margin: 10px 0 14px; line-height: 1.45; }
.mega-menu-arch .mega-panel-head h4 { font-size: 15px; }

/* —— 金字塔顶：能力架构总览区 —— */
.arch-overview {
  background: linear-gradient(135deg, #241063 0%, #5b2ee6 60%, #7b4fff 100%);
  color: #fff;
  padding: 16px 24px 14px;
  border-radius: 16px 16px 0 0;
}
.arch-ov-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 13px; }
.arch-ov-title { font-size: 15px; font-weight: 700; line-height: 1.45; }
.arch-ov-title .ov-gold { color: #ffe08a; font-weight: 800; }
.arch-ov-sum { font-size: 12px; opacity: .88; line-height: 1.55; max-width: 360px; text-align: right; margin-top: 2px; }
.arch-ov-flow { display: flex; align-items: stretch; gap: 4px; }
.arch-ov-step {
  flex: 1; min-width: 0;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 10px;
  padding: 8px 9px 9px;
  text-align: center;
}
.arch-ov-step .aos-no { display: block; font-size: 10px; font-weight: 700; letter-spacing: .1em; opacity: .72; }
.arch-ov-step .aos-name { display: block; font-size: 12.5px; font-weight: 700; line-height: 1.35; margin: 3px 0 3px; }
.arch-ov-step .aos-tag {
  display: inline-block; font-size: 11px; font-weight: 700;
  color: #241063; background: #ffe08a; border-radius: 100px; padding: 1.5px 9px;
}
.arch-ov-step .aos-out { display: block; font-size: 10.5px; opacity: .82; line-height: 1.4; margin-top: 4px; }
.arch-ov-arrow { display: flex; align-items: center; font-size: 16px; color: #d9c9ff; flex-shrink: 0; }
.arch-ov-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 11px; flex-wrap: wrap; }
.arch-ov-loop { font-size: 11.5px; font-weight: 600; color: #ffe08a; }
.arch-ov-base { font-size: 11.5px; opacity: .92; }
.arch-ov-base b { color: #fff; }

/* tab 副标题（阶段总结词） */
.mega-menu-arch .mega-tab .tab-label em {
  display: block; font-style: normal; font-size: 10.5px; font-weight: 500;
  opacity: .6; margin-top: 2px; line-height: 1.3;
}
.mega-menu-arch .mega-tab.active .tab-label em { opacity: .78; }

@media (max-width: 991px) { .mega-menu { display: none; } }