/* 站型 · UI03 金融稳重风 · 结构21 现代互联网型 · M1 B18 · M5 Tab */
:root {
  --fn-ink: #102A43;
  --fn-cta: #1565C0;
  --fn-cta-dark: #0D47A1;
  --fn-bg: #FAFBFC;
  --fn-card: #FFFFFF;
  --fn-muted: #5C6B7A;
  --fn-line: rgba(16, 42, 67, 0.12);
  --fn-accent: #C62828;
  --nav-h: 56px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fn-ink);
  background: var(--fn-bg);
  padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px));
}
.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 18px; }

/* F1 */
.navbar {
  display: block !important;
  padding: 0 !important;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 251, 252, 0.97);
  border-bottom: 1px solid var(--fn-line);
  box-shadow: 0 1px 0 rgba(16, 42, 67, 0.06);
}
.nav-inner {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: var(--nav-h);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fn-ink);
  font-weight: 700;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: linear-gradient(145deg, var(--fn-cta), var(--fn-cta-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
}
.logo-mark.sm { width: 32px; height: 32px; font-size: 14px; }
.logo-txt { font-size: 15px; }
.btn-nav-cta {
  display: none;
  padding: 8px 18px;
  background: var(--fn-cta);
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  border-radius: 6px;
  border: 1px solid var(--fn-cta);
  white-space: nowrap;
}
.btn-nav-cta:hover { background: var(--fn-cta-dark); border-color: var(--fn-cta-dark); color: #fff; }
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--fn-line);
  background: var(--fn-card);
  border-radius: 6px;
  cursor: pointer;
  padding: 0 10px;
}
.nav-toggle span { display: block; height: 2px; background: var(--fn-ink); }
.nav-links {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--fn-card);
  border: 1px solid var(--fn-line);
  border-top: none;
  flex-direction: column;
  padding: 8px 0;
  z-index: 99;
}
.nav-links.open { display: flex; }
.nav-links a {
  padding: 12px 20px;
  color: var(--fn-ink);
  text-decoration: none;
  font-size: 15px;
}
.nav-links a:hover { color: var(--fn-cta); }
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .btn-nav-cta { display: inline-flex; align-items: center; }
  .nav-links {
    display: flex !important;
    position: static;
    flex-direction: row;
    border: none;
    background: transparent;
    padding: 0;
    gap: 16px;
    flex: 1;
    justify-content: center;
    flex-wrap: wrap;
  }
  .nav-links a { padding: 8px 0; }
  body { padding-bottom: 0; }
  .float-bottom { display: none !important; }
}

/* M1 B18 */
.hero { position: relative; min-height: auto; }
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(250, 251, 252, 0.94) 0%, rgba(250, 251, 252, 0.88) 55%, rgba(227, 242, 253, 0.92) 100%);
  z-index: 1;
}
.compliance-bar {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 18px;
  font-size: 12px;
  color: var(--fn-muted);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--fn-line);
}
.compliance-bar i { color: var(--fn-cta); flex-shrink: 0; margin-top: 2px; }
.compliance-x {
  margin-left: auto;
  border: none;
  background: transparent;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--fn-muted);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 18px 48px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.hero-tags span {
  font-size: 12px;
  padding: 5px 12px;
  background: var(--fn-card);
  border: 1px solid var(--fn-line);
  border-radius: 4px;
  color: var(--fn-cta);
}
.hero-title {
  font-size: clamp(28px, 6vw, 48px);
  font-weight: 900;
  line-height: 1.15;
  margin: 0 0 10px;
  color: var(--fn-ink);
}
.hero-sub {
  margin: 0 0 20px;
  font-size: 16px;
  color: var(--fn-muted);
  max-width: 560px;
}
.hero-card {
  max-width: 520px;
  padding: 20px 18px;
  background: var(--fn-card);
  border: 2px solid var(--fn-cta);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(21, 101, 192, 0.12);
}
.hc-mgr {
  margin: 0 0 14px;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hc-mgr i { color: var(--fn-cta); }
.hc-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 15px;
}
.hc-row i { color: var(--fn-cta); width: 22px; }
.hc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  font-size: 14px;
  font-family: inherit;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid var(--fn-cta);
  background: transparent;
  color: var(--fn-cta);
  text-decoration: none;
}
.hc-btn:hover { background: var(--fn-cta); color: #fff; }
.hc-dial { font-weight: 600; }
.hc-time {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--fn-muted);
}
.hc-time i { color: var(--fn-cta); margin-right: 6px; }
.hero-foot {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--fn-muted);
}
.hero-foot strong { color: var(--fn-cta); }
.hero-foot .dot { color: var(--fn-line); }

/* Sections */
.section { padding: 56px 0; }
.sec-muted { background: #F0F4F8; }
.sec-head { text-align: center; margin-bottom: 32px; }
.sec-head h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 4vw, 28px);
  color: var(--fn-ink);
  font-weight: 800;
}
.sec-lead {
  margin: 0;
  font-size: 15px;
  color: var(--fn-muted);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.sec-head--inv h2,
.sec-head--inv .sec-lead { color: #fff; }
.sec-head--inv .sec-lead { opacity: 0.92; }

/* M12 */
.sec-dash { border-top: 1px solid var(--fn-line); border-bottom: 1px solid var(--fn-line); }
.dash-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (min-width: 768px) {
  .dash-row { grid-template-columns: repeat(4, 1fr); }
}
.dash-item {
  text-align: center;
  padding: 22px 12px;
  background: var(--fn-card);
  border: 1px solid var(--fn-line);
  border-radius: 10px;
}
.d-val {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--fn-cta);
}
.d-suf { font-size: 1rem; color: var(--fn-cta); margin-left: 2px; }
.dash-item p { margin: 10px 0 0; font-size: 13px; color: var(--fn-muted); }

/* M5 Tab */
.tab-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
}
.tab-btn {
  padding: 10px 14px;
  border: 1px solid var(--fn-line);
  background: var(--fn-card);
  color: var(--fn-cta);
  font-size: 13px;
  font-family: inherit;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.tab-btn:hover { background: rgba(21, 101, 192, 0.08); }
.tab-btn.active {
  background: var(--fn-cta);
  color: #fff;
  border-color: var(--fn-cta);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-flex {
  display: flex;
  flex-direction: column;
  gap: 18px;
  border: 1px solid var(--fn-line);
  border-radius: 10px;
  padding: 18px;
  background: var(--fn-card);
}
@media (min-width: 720px) {
  .tab-flex { flex-direction: row; align-items: flex-start; }
}
.tab-img {
  flex-shrink: 0;
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
}
@media (min-width: 720px) { .tab-img { margin: 0; } }
.tab-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--fn-line);
}
.tab-body { flex: 1; min-width: 0; }
.tab-body h3 { margin: 0 0 10px; color: var(--fn-ink); font-size: 20px; }
.tab-lead { margin: 0 0 14px; color: var(--fn-muted); font-size: 15px; }
.tab-ul {
  margin: 0 0 18px;
  padding-left: 1.15em;
  color: var(--fn-muted);
  font-size: 14px;
}
.tab-ul li { margin-bottom: 6px; }
.tab-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  background: var(--fn-cta);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--fn-cta);
}
.tab-cta:hover { background: var(--fn-cta-dark); color: #fff; }

/* M2 */
.tick-bar {
  overflow: hidden;
  background: var(--fn-ink);
  color: #fff;
  padding: 12px 0;
}
.tick-inner {
  display: flex;
  gap: 36px;
  white-space: nowrap;
  width: max-content;
  animation: fn-tick 32s linear infinite;
}
.tick-item { font-size: 13px; }
.tick-item i { color: #90CAF9; margin-right: 6px; }
@keyframes fn-tick {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* M6 */
.flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: none;
}
@media (min-width: 800px) {
  .flow-list {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
}
.flow-list li {
  display: flex;
  gap: 14px;
  padding: 18px 16px;
  border: 1px solid var(--fn-line);
  background: var(--fn-card);
  border-radius: 0;
}
@media (min-width: 800px) {
  .flow-list li {
    flex-direction: column;
    text-align: center;
    align-items: center;
    border-right: none;
  }
  .flow-list li:last-child { border-right: 1px solid var(--fn-line); }
}
.flow-list li:first-child { border-radius: 10px 10px 0 0; }
@media (min-width: 800px) {
  .flow-list li:first-child { border-radius: 10px 0 0 10px; }
}
.flow-list li:last-child { border-radius: 0 0 10px 10px; }
@media (min-width: 800px) {
  .flow-list li:last-child { border-radius: 0 10px 10px 0; }
}
.fl-n {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  line-height: 34px;
  text-align: center;
  border: 2px solid var(--fn-cta);
  border-radius: 50%;
  font-weight: 800;
  color: var(--fn-cta);
}
.flow-list strong { display: block; margin-bottom: 6px; color: var(--fn-ink); }
.flow-list p { margin: 0; font-size: 14px; color: var(--fn-muted); }

/* M4 */
.rev-cols {
  display: grid;
  gap: 16px;
}
@media (min-width: 768px) { .rev-cols { grid-template-columns: repeat(3, 1fr); } }
.rev-box {
  margin: 0;
  padding: 20px;
  background: var(--fn-card);
  border: 1px solid var(--fn-line);
  border-radius: 10px;
}
.rev-box p { margin: 0 0 12px; font-size: 15px; color: var(--fn-ink); line-height: 1.65; }
.rev-box cite { font-style: normal; font-size: 13px; color: var(--fn-muted); }

/* M3 */
.sec-trust { position: relative; overflow: hidden; padding: 56px 0; }
.trust-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.trust-cover {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16, 42, 67, 0.92) 0%, rgba(21, 101, 192, 0.88) 100%);
  z-index: 1;
}
.trust-wrap { position: relative; z-index: 2; }
.trust-four {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 720px) { .trust-four { grid-template-columns: repeat(4, 1fr); } }
.tf-cell {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 20px 12px;
  text-align: center;
  border-radius: 10px;
  color: #fff;
}
.tf-num { font-size: 1.75rem; font-weight: 800; color: #BBDEFB; display: block; }
.tf-cell p { margin: 8px 0 0; font-size: 13px; opacity: 0.95; }

/* M7 */
.priv-row {
  display: grid;
  gap: 24px;
  align-items: center;
}
@media (min-width: 768px) { .priv-row { grid-template-columns: 1fr 1fr; } }
.priv-ul { list-style: none; margin: 0; padding: 0; }
.priv-ul li {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--fn-ink);
}
.priv-ul i { color: var(--fn-cta); margin-top: 4px; flex-shrink: 0; }
.priv-ph {
  border: 1px solid var(--fn-line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--fn-card);
}
.priv-ph img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

/* M8 */
.faq-wrap { max-width: 720px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--fn-line);
  margin-bottom: 10px;
  background: var(--fn-card);
  border-radius: 8px;
  overflow: hidden;
}
.faq-hd {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  border: none;
  background: transparent;
  text-align: left;
  font-size: 15px;
  font-family: inherit;
  cursor: pointer;
  color: var(--fn-ink);
}
.faq-hd i { color: var(--fn-cta); transition: transform 0.2s; }
.faq-item.open .faq-hd i { transform: rotate(180deg); }
.faq-bd { display: none; padding: 0 16px 14px; border-top: 1px solid var(--fn-line); }
.faq-bd p { margin: 12px 0 0; font-size: 14px; color: var(--fn-muted); }
.faq-item.open .faq-bd { display: block; }

/* M13 */
.cond-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.cond-pair {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .cond-pair { grid-template-columns: 1fr 1fr; } }
.cond-yes,
.cond-no {
  padding: 18px;
  border: 1px solid var(--fn-line);
  border-radius: 10px;
  background: var(--fn-card);
}
.cond-yes h3,
.cond-no h3 {
  margin: 0 0 12px;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cond-yes h3 i { color: #2E7D32; }
.cond-no h3 i { color: var(--fn-accent); }
.cond-yes ul,
.cond-no ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 14px;
  color: var(--fn-muted);
}
.cond-pic img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--fn-line);
  display: block;
}

/* M9 */
.about-split {
  display: grid;
  gap: 24px;
  align-items: center;
}
@media (min-width: 768px) { .about-split { grid-template-columns: 1fr 1.05fr; } }
.about-fig {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--fn-line);
}
.about-fig img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.about-copy p { margin: 0 0 14px; color: var(--fn-muted); }
.about-tag {
  margin-top: 18px !important;
  font-weight: 700;
  color: var(--fn-cta) !important;
}
.about-tag i { margin-right: 8px; }

/* M10 */
.sec-cta {
  background: linear-gradient(160deg, var(--fn-cta) 0%, var(--fn-ink) 100%);
  padding-bottom: 56px;
}
.cta-card {
  max-width: 480px;
  margin: 0 auto;
  padding: 26px 22px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  color: #fff;
}
.cta-mgr {
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cta-mgr i { color: #BBDEFB; }
.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
}
.cta-row i { color: #BBDEFB; width: 22px; }
.cta-row span { flex: 1; min-width: 140px; }
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid #fff;
  background: transparent;
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
}
.cta-btn:hover { background: #fff; color: var(--fn-cta); }
.cta-note { margin: 14px 0 0; font-size: 14px; opacity: 0.9; }
.cta-note i { margin-right: 6px; }

/* M11 */
.site-foot {
  background: #0D1B2A;
  color: rgba(255, 255, 255, 0.82);
  padding: 36px 0 28px;
  font-size: 14px;
}
.ft-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  margin: 0 0 16px;
}
.ft-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 18px;
  margin: 0 0 16px;
}
.ft-links a { color: rgba(255, 255, 255, 0.88); text-decoration: none; }
.ft-links a:hover { color: #90CAF9; }
.ft-law {
  max-width: 720px;
  margin: 0 auto 14px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.58);
  text-align: center;
}
.ft-gov { text-align: center; margin: 0 0 12px; font-size: 13px; }
.ft-gov a { color: #90CAF9; text-decoration: none; }
.ft-copy { text-align: center; margin: 0; font-size: 12px; color: rgba(255, 255, 255, 0.42); }
.footer-tech { text-align: center; margin-top: 10px; font-size: 11px; color: rgba(255, 255, 255, 0.35); }

/* F3-A */
.float-bottom {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 8px 16px calc(8px + env(safe-area-inset-bottom, 0px));
  background: rgba(255, 255, 255, 0.97);
  border-top: 1px solid var(--fn-line);
}
.float-btn {
  flex: 1;
  max-width: 168px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.float-call { background: var(--fn-cta); }
.float-wechat { background: #2E7D32; }

/* F4 */
.fab-top {
  position: fixed;
  right: 16px;
  bottom: calc(80px + env(safe-area-inset-bottom, 0px));
  z-index: 101;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 2px solid var(--fn-cta);
  background: var(--fn-card);
  color: var(--fn-cta);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  box-shadow: 0 4px 14px rgba(16, 42, 67, 0.15);
}
.fab-top.show { opacity: 1; pointer-events: auto; }
@media (min-width: 900px) {
  .fab-top {
    bottom: 24px;
    right: 24px;
  }
}