/* #20 闪提宝 · UI13 未来赛博风 · 结构26 效率优先型 · M1 B16 · M5 A04 */
:root {
  --sb-bg: #04040F;
  --sb-card: #080822;
  --sb-ink: #DCF0FF;
  --sb-muted: #7A90A8;
  --sb-primary: #00CFFF;
  --sb-cta: #BF40BF;
  --sb-cta2: #0070D0;
  --sb-line: rgba(0, 207, 255, 0.18);
  --sb-glow: rgba(0, 207, 255, 0.4);
  --sb-good: #39FF14;
  --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(--sb-ink);
  background: var(--sb-bg);
  padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px));
}
a { color: var(--sb-primary); text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── container ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ── F1 导航 ── */
.navbar { display: block !important; padding: 0 !important; background: rgba(4,4,15,0.9); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 200; border-bottom: 1px solid var(--sb-line); transition: background .3s; }
.navbar.nav-scrolled { background: rgba(4,4,15,0.98); }
.nav-inner { position: relative; display: flex; align-items: center; height: var(--nav-h); padding: 0 20px; max-width: 1100px; margin: 0 auto; }
.nav-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 18px; color: #fff; text-shadow: 0 0 12px var(--sb-primary); }
.nav-ic { font-size: 20px; color: var(--sb-primary); filter: drop-shadow(0 0 6px var(--sb-primary)); }
.nav-links { display: none; }
.nav-links.nav-open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(4,4,15,0.98); padding: 16px 20px 20px; gap: 4px; border-bottom: 1px solid var(--sb-line); z-index: 300; }
.nav-links a { color: var(--sb-ink); padding: 8px 0; font-size: 14px; border-bottom: 1px solid var(--sb-line); }
.nav-links a:last-child { border-bottom: none; }
@media (min-width: 768px) {
  .nav-links { display: flex !important; flex-direction: row; position: static; background: none; padding: 0; gap: 24px; }
  .nav-links a { border: none; padding: 0; font-size: 14px; }
  .nav-links a:hover { color: var(--sb-primary); }
  .nav-toggle { display: none !important; }
  .btn-nav { display: inline-block; margin-left: auto; }
}
.btn-nav { display: none; background: var(--sb-cta); color: #fff; padding: 6px 16px; border-radius: 6px; font-size: 13px; font-weight: 700; white-space: nowrap; }
.btn-nav:hover { filter: brightness(1.15); color: #fff; }
.nav-toggle { margin-left: auto; background: none; border: none; cursor: pointer; padding: 6px; display: flex; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--sb-ink); border-radius: 2px; transition: .2s; }

/* ── section 通用 ── */
.section { padding: 64px 0; }
.sec-t { text-align: center; margin-bottom: 36px; }
.sec-t h2 { margin: 0 0 10px; font-size: clamp(22px,4vw,28px); color: #fff; font-weight: 800; text-shadow: 0 0 20px var(--sb-glow); }
.sec-d { margin: 0; color: var(--sb-muted); font-size: 15px; }

/* ── F2 合规条 ── */
.compliance-bar { position: absolute; top: 0; left: 0; right: 0; background: rgba(191,64,191,.12); border-bottom: 1px solid rgba(191,64,191,.35); color: #e0c8ff; font-size: 12px; padding: 8px 20px; display: flex; align-items: center; justify-content: space-between; gap: 12px; z-index: 10; }
.compliance-bar i { color: #c080ff; margin-right: 6px; }
.compliance-x { background: none; border: none; color: #c080ff; cursor: pointer; font-size: 18px; line-height: 1; padding: 0 4px; }

/* ── M1 · B16 英雄区 ── */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; overflow: hidden; padding-top: calc(var(--nav-h) + 44px); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero-mask { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(4,4,15,.85) 40%, rgba(8,8,34,.7)); z-index: 1; }
.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero-grid { display: flex; flex-direction: column; gap: 32px; }
@media (min-width: 768px) {
  .hero-grid { flex-direction: row; align-items: center; gap: 48px; }
  .hero-copy { flex: 1; }
  .hero-contact { width: 320px; flex-shrink: 0; }
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.hero-tag { background: rgba(0,207,255,.1); border: 1px solid rgba(0,207,255,.3); color: var(--sb-primary); padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.hero-h1 { font-size: clamp(28px,6vw,46px); font-weight: 900; color: #fff; margin: 0 0 12px; line-height: 1.2; text-shadow: 0 0 30px var(--sb-glow); }
.hero-h1 em { font-style: normal; color: var(--sb-primary); }
.hero-sub { font-size: 15px; color: var(--sb-muted); margin: 0 0 28px; }
.hero-stats { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 16px; }
.hs-item { text-align: center; }
.hs-n { font-size: 22px; font-weight: 900; color: var(--sb-primary); text-shadow: 0 0 10px var(--sb-glow); }
.hs-l { font-size: 12px; color: var(--sb-muted); }

/* 联系卡片 */
.cta-card { background: rgba(8,8,34,.85); border: 1px solid var(--sb-line); border-radius: 16px; padding: 24px; box-shadow: 0 0 30px rgba(0,207,255,.1); }
.cta-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.cta-avatar { width: 44px; height: 44px; background: linear-gradient(135deg, var(--sb-primary), var(--sb-cta)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 15px; color: #fff; }
.cta-name { font-weight: 700; color: #fff; font-size: 15px; }
.cta-badge { font-size: 11px; color: var(--sb-primary); background: rgba(0,207,255,.1); padding: 2px 8px; border-radius: 10px; margin-top: 2px; display: inline-block; }
.cta-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--sb-line); }
.cta-row:last-of-type { border-bottom: none; }
.cta-row i { width: 18px; text-align: center; color: var(--sb-primary); }
.cta-row a:not(.cta-copy) { color: var(--sb-ink); font-weight: 600; font-size: 15px; }
.cta-row a:not(.cta-copy):hover { color: var(--sb-primary); }
.cta-copy { margin-left: auto; background: var(--sb-cta); color: #fff; border: none; border-radius: 6px; padding: 4px 12px; font-size: 12px; cursor: pointer; font-weight: 600; transition: .2s; }
.cta-copy:hover, .cta-copy.copied { background: var(--sb-primary); color: #000; }
.cta-main { display: block; width: 100%; text-align: center; background: linear-gradient(90deg, var(--sb-cta), var(--sb-cta2)); color: #fff; padding: 12px; border-radius: 10px; font-weight: 800; font-size: 15px; margin-top: 16px; letter-spacing: .5px; }
.cta-main:hover { filter: brightness(1.1); color: #fff; }

/* ── M6 流程 ── */
.sec-flow-26 { background: linear-gradient(180deg, rgba(0,207,255,.04), transparent); }
.flow-steps { display: grid; gap: 20px; }
@media (min-width: 640px) { .flow-steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .flow-steps { grid-template-columns: repeat(4, 1fr); } }
.flow-step { position: relative; background: var(--sb-card); border: 1px solid var(--sb-line); border-radius: 14px; padding: 24px 20px; text-align: center; }
.flow-step::before { content: ''; position: absolute; inset: 0; border-radius: 14px; background: linear-gradient(135deg, rgba(0,207,255,.06), transparent); pointer-events: none; }
.fl-num { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: linear-gradient(135deg, var(--sb-primary), var(--sb-cta2)); border-radius: 50%; font-weight: 900; font-size: 16px; color: #fff; margin: 0 auto 14px; box-shadow: 0 0 14px var(--sb-glow); }
.fl-title { font-weight: 700; color: #fff; margin-bottom: 8px; font-size: 15px; }
.fl-desc { font-size: 13px; color: var(--sb-muted); line-height: 1.6; margin: 0; }

/* ── M13 办理条件 ── */
.cd-split { display: grid; gap: 20px; }
@media (min-width: 768px) { .cd-split { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .cd-split { grid-template-columns: 1fr 1fr 320px; } }
.cd-yes, .cd-no { background: var(--sb-card); border-radius: 14px; padding: 24px; }
.cd-yes { border: 1px solid rgba(57,255,20,.25); }
.cd-no { border: 1px solid rgba(255,60,60,.2); }
.cd-yes h3 { color: var(--sb-good); margin: 0 0 14px; font-size: 15px; }
.cd-no h3 { color: #FF6060; margin: 0 0 14px; font-size: 15px; }
.cd-yes ul, .cd-no ul { margin: 0; padding-left: 18px; }
.cd-yes li, .cd-no li { font-size: 14px; color: var(--sb-muted); margin-bottom: 8px; line-height: 1.6; }
.cd-img { border-radius: 14px; overflow: hidden; }
.cd-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* ── M5 A04 服务卡片 ── */
.svc-grid { display: grid; gap: 20px; }
@media (min-width: 640px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .svc-grid { grid-template-columns: repeat(3, 1fr); } }
.svc-card { background: var(--sb-card); border: 1px solid var(--sb-line); border-radius: 14px; overflow: hidden; transition: transform .25s, box-shadow .25s; }
.svc-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,207,255,.15); }
.svc-card-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.svc-card-body { padding: 16px; }
.svc-card-tag { display: inline-block; background: rgba(0,207,255,.12); color: var(--sb-primary); font-size: 11px; font-weight: 700; padding: 2px 10px; border-radius: 12px; margin-bottom: 8px; }
.svc-card-name { font-weight: 800; color: #fff; font-size: 16px; margin-bottom: 6px; }
.svc-card-desc { font-size: 13px; color: var(--sb-muted); line-height: 1.6; margin-bottom: 12px; }
.svc-card-foot { display: flex; justify-content: space-between; align-items: center; font-size: 12px; }
.svc-card-min { color: var(--sb-primary); font-weight: 700; }
.svc-card-cta { background: rgba(191,64,191,.15); color: var(--sb-cta); border: 1px solid rgba(191,64,191,.3); border-radius: 6px; padding: 4px 12px; font-size: 12px; font-weight: 600; cursor: pointer; }
.svc-note { text-align: center; font-size: 13px; color: var(--sb-muted); margin-top: 20px; }
.svc-note i { color: var(--sb-primary); margin-right: 6px; }

/* ── M10 联系方式 ── */
.sec-contact { background: linear-gradient(180deg, transparent, rgba(0,207,255,.04)); }
.contact-box { max-width: 620px; margin: 0 auto; background: var(--sb-card); border: 1px solid var(--sb-line); border-radius: 18px; padding: 32px; box-shadow: 0 0 40px rgba(0,207,255,.08); }
.contact-box h2 { text-align: center; font-size: clamp(20px,3vw,24px); color: #fff; margin: 0 0 8px; }
.contact-box p.ct-sub { text-align: center; color: var(--sb-muted); font-size: 14px; margin: 0 0 28px; }
.ct-row { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--sb-line); }
.ct-row:last-of-type { border-bottom: none; }
.ct-icon { width: 42px; height: 42px; background: rgba(0,207,255,.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--sb-primary); font-size: 18px; flex-shrink: 0; }
.ct-label { font-size: 12px; color: var(--sb-muted); }
.ct-val { font-weight: 700; color: #fff; font-size: 15px; }
.ct-val a { color: #fff; }
.ct-copy-btn { margin-left: auto; background: var(--sb-cta); color: #fff; border: none; border-radius: 8px; padding: 6px 14px; font-size: 13px; cursor: pointer; font-weight: 600; }
.ct-copy-btn.copied { background: var(--sb-primary); color: #000; }
.contact-cta { display: block; text-align: center; background: linear-gradient(90deg, var(--sb-cta), var(--sb-cta2)); color: #fff; padding: 14px; border-radius: 12px; font-weight: 800; font-size: 16px; margin-top: 24px; }
.contact-cta:hover { filter: brightness(1.1); color: #fff; }

/* ── M2 跑马灯 ── */
.tick-wrap { overflow: hidden; background: linear-gradient(90deg, var(--sb-primary), var(--sb-cta2)); padding: 10px 0; }
.tick-run { display: flex; gap: 32px; white-space: nowrap; width: max-content; animation: sb-tick 32s linear infinite; }
.tick-i { font-size: 13px; color: #fff; font-weight: 600; }
.tick-i i { margin-right: 6px; opacity: .9; }
@keyframes sb-tick { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── M3 信任背书 ── */
.sec-trust { position: relative; overflow: hidden; }
.trust-bg { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; }
.trust-layer { position: absolute; inset: 0; background: rgba(4,4,15,.82); z-index: 1; }
.trust-box { position: relative; z-index: 2; }
.trust-4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (min-width: 768px) { .trust-4 { grid-template-columns: repeat(4, 1fr); } }
.tc { text-align: center; background: rgba(0,207,255,.06); border: 1px solid var(--sb-line); border-radius: 14px; padding: 24px 12px; }
.tc-n { display: block; font-size: clamp(28px,5vw,40px); font-weight: 900; color: var(--sb-primary); text-shadow: 0 0 20px var(--sb-glow); }
.tc-suf { font-size: 18px; font-weight: 700; color: var(--sb-primary); }
.tc p { margin: 6px 0 0; font-size: 13px; color: var(--sb-muted); }

/* ── M4 口碑 ── */
.rev-grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .rev-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .rev-grid { grid-template-columns: repeat(3, 1fr); } }
.rv { background: var(--sb-card); border: 1px solid var(--sb-line); border-radius: 14px; padding: 20px; }
.rv-stars { color: #FFD700; font-size: 12px; margin-bottom: 10px; letter-spacing: 2px; }
.rv p { margin: 0 0 12px; font-size: 14px; line-height: 1.7; color: var(--sb-ink); }
.rv-from { font-size: 12px; color: var(--sb-muted); display: flex; align-items: center; gap: 6px; }
.rv-dot { width: 6px; height: 6px; background: var(--sb-primary); border-radius: 50%; }

/* ── M7 隐私安全 ── */
.sec-priv { background: rgba(0,207,255,.02); }
.priv-split { display: grid; gap: 32px; align-items: center; }
@media (min-width: 768px) { .priv-split { grid-template-columns: 1fr 300px; } }
.priv-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.priv-list li { display: flex; align-items: flex-start; gap: 14px; }
.priv-ic { width: 38px; height: 38px; background: rgba(0,207,255,.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--sb-primary); font-size: 16px; flex-shrink: 0; margin-top: 2px; }
.priv-text strong { display: block; color: #fff; font-size: 14px; margin-bottom: 4px; }
.priv-text span { font-size: 13px; color: var(--sb-muted); line-height: 1.6; }
.priv-img { border-radius: 14px; overflow: hidden; }
.priv-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* ── M8 FAQ ── */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-row { background: var(--sb-card); border: 1px solid var(--sb-line); border-radius: 12px; overflow: hidden; }
.faq-q { width: 100%; background: none; border: none; text-align: left; padding: 16px 20px; color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-q i { color: var(--sb-primary); flex-shrink: 0; transition: transform .3s; }
.faq-row.faq-open .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .2s; }
.faq-row.faq-open .faq-a { max-height: 300px; }
.faq-a p { margin: 0; padding: 0 20px 18px; font-size: 14px; color: var(--sb-muted); line-height: 1.75; }

/* ── M9 关于 ── */
.about-split { display: grid; gap: 32px; align-items: center; }
@media (min-width: 768px) { .about-split { grid-template-columns: 1fr 320px; } }
.about-points { display: flex; flex-direction: column; gap: 16px; margin-top: 20px; }
.ab-pt { display: flex; gap: 14px; align-items: flex-start; }
.ab-ic { width: 38px; height: 38px; background: rgba(0,207,255,.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--sb-primary); font-size: 16px; flex-shrink: 0; margin-top: 2px; }
.ab-pt p { margin: 0; font-size: 14px; color: var(--sb-muted); }
.ab-pt strong { display: block; color: #fff; margin-bottom: 3px; font-size: 14px; }
.about-img { border-radius: 14px; overflow: hidden; }
.about-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* ── M12 数据看板 ── */
.stat-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 768px) { .stat-row { grid-template-columns: repeat(4, 1fr); } }
.st { text-align: center; background: var(--sb-card); border: 1px solid var(--sb-line); border-radius: 14px; padding: 24px 12px; }
.st-n { font-size: clamp(28px,4vw,36px); font-weight: 900; color: var(--sb-primary); text-shadow: 0 0 16px var(--sb-glow); }
.st-u { font-size: 18px; font-weight: 700; color: var(--sb-primary); }
.st p { margin: 6px 0 0; font-size: 13px; color: var(--sb-muted); }

/* ── M11 页脚 ── */
.footer { background: #020208; border-top: 1px solid var(--sb-line); padding: 40px 0 24px; }
.footer-grid { display: grid; gap: 28px; margin-bottom: 28px; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr 1fr; } }
.footer-brand { font-size: 20px; font-weight: 900; color: var(--sb-primary); margin-bottom: 10px; text-shadow: 0 0 10px var(--sb-glow); }
.footer-desc { font-size: 13px; color: var(--sb-muted); line-height: 1.7; }
.footer-col h4 { color: #fff; font-size: 14px; font-weight: 700; margin: 0 0 12px; }
.footer-col a, .footer-col p { display: block; font-size: 13px; color: var(--sb-muted); margin-bottom: 6px; }
.footer-col a:hover { color: var(--sb-primary); }
.footer-divider { border: none; border-top: 1px solid var(--sb-line); margin: 0 0 20px; }
.footer-bottom { text-align: center; font-size: 12px; color: var(--sb-muted); line-height: 1.9; }
.footer-tech { font-size: 12px; color: var(--sb-muted); text-align: center; margin-top: 8px; }

/* ── F3-A 悬浮咨询条 ── */
.float-bottom { position: fixed; bottom: 0; left: 0; right: 0; z-index: 90; display: flex; padding: 10px 16px; padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px)); background: rgba(4,4,15,.92); backdrop-filter: blur(10px); border-top: 1px solid var(--sb-line); gap: 10px; }
.float-btn { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 6px; border-radius: 10px; font-weight: 700; font-size: 14px; cursor: pointer; border: none; color: #fff; text-align: center; }
.float-call { background: linear-gradient(90deg, #0070D0, #00CFFF); animation: sb-pulse 2.4s ease-in-out infinite; }
.float-wechat { background: linear-gradient(90deg, var(--sb-cta), #9020C0); }
@keyframes sb-pulse { 0%,100%{box-shadow:0 0 0 0 rgba(0,207,255,.4)} 50%{box-shadow:0 0 0 8px rgba(0,207,255,0)} }

/* ── F4 回顶 ── */
.fab-top { position: fixed; right: 16px; bottom: 90px; width: 44px; height: 44px; background: var(--sb-cta); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; z-index: 101; cursor: pointer; border: none; opacity: 0; pointer-events: none; transition: opacity .3s; box-shadow: 0 0 14px rgba(191,64,191,.5); }
.fab-top.fab-show { opacity: 1; pointer-events: auto; }
.fab-top:hover { filter: brightness(1.15); }