/* ============================================================
   万川官网 · 安全与合规
   精确说明边界与机制，不用测试数量或工程过程替代安全事实。
   ============================================================ */

.security-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: -68px;
  padding: 148px 0 92px;
  color: var(--text-onDark);
  background:
    radial-gradient(circle at 74% 21%, rgba(82, 123, 230, .18), transparent 27%),
    radial-gradient(circle at 12% 88%, rgba(45, 78, 168, .15), transparent 31%),
    linear-gradient(148deg, #07102d 0%, #0a143b 52%, #08102d 100%);
}
.security-hero::after { content: ""; position: absolute; z-index: -1; width: 760px; height: 760px; right: -280px; bottom: -570px; border: 1px solid rgba(157, 182, 255, .10); border-radius: 50%; box-shadow: 0 0 0 88px rgba(105, 139, 229, .024), 0 0 0 176px rgba(105, 139, 229, .014); }
.security-hero-grid { position: absolute; z-index: -1; inset: 0; opacity: .68; background-image: linear-gradient(rgba(157, 182, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(157, 182, 255, .04) 1px, transparent 1px); background-size: 58px 58px; mask-image: radial-gradient(ellipse 82% 75% at 70% 43%, #000 25%, transparent 79%); -webkit-mask-image: radial-gradient(ellipse 82% 75% at 70% 43%, #000 25%, transparent 79%); animation: security-grid-drift 26s linear infinite; }
.security-hero-layout { position: relative; display: grid; grid-template-columns: minmax(390px, .84fr) minmax(540px, 1.16fr); gap: 70px; align-items: center; }
.security-hero-copy .eyebrow { margin-bottom: 18px; color: var(--moon-300); font-size: 11px; letter-spacing: .12em; }
.security-hero-copy h1 { max-width: 580px; color: #f7f9ff; font-size: clamp(36px, 3.5vw, 48px); font-weight: 600; line-height: 1.17; letter-spacing: -.035em; }
.security-hero-copy h1 span { color: #a9bef9; }
.security-hero-copy > p:not(.eyebrow) { max-width: 550px; margin-top: 24px; color: #aab7de; font-size: 15px; line-height: 1.82; }
.security-hero-actions { display: flex; align-items: center; gap: 22px; margin-top: 31px; }
.security-text-link { display: inline-flex; align-items: center; gap: 7px; color: #c9d5f7; font-size: 13px; font-weight: 600; }
.security-text-link::after { content: "→"; color: var(--moon-300); transition: transform .18s ease; }
.security-text-link:hover::after { transform: translateX(4px); }

.trust-map { position: relative; margin: 0; overflow: hidden; padding: 0 24px 24px; border: 1px solid rgba(151, 176, 245, .16); border-radius: 20px; background: linear-gradient(155deg, rgba(20, 36, 89, .76), rgba(5, 13, 42, .90)); box-shadow: 0 30px 70px -42px rgba(0, 0, 0, .9), inset 0 1px 0 rgba(255, 255, 255, .035); backdrop-filter: blur(10px); }
.trust-map::before { content: ""; position: absolute; inset: 0; opacity: .26; background-image: radial-gradient(circle, rgba(181, 199, 255, .32) 1px, transparent 1px); background-size: 18px 18px; pointer-events: none; }
.trust-map > * { position: relative; z-index: 1; }
.trust-map-head { height: 49px; display: flex; align-items: center; justify-content: space-between; margin: 0 -24px; padding: 0 24px; border-bottom: 1px solid rgba(157, 182, 255, .10); }
.trust-map-head span { color: #c7d2f3; font-size: 10px; }
.trust-map-head b { color: #6678ae; font-family: var(--font-mono); font-size: 8px; font-weight: 500; }
.trust-nodes { display: grid; grid-template-columns: 1fr 20px 1fr 20px 1fr; gap: 8px; align-items: center; margin-top: 24px; }
.trust-nodes article { position: relative; min-height: 138px; padding: 17px; border: 1px solid rgba(157, 182, 255, .12); border-radius: 13px; background: rgba(255, 255, 255, .02); }
.trust-nodes article > span { color: #6275ad; font-family: var(--font-mono); font-size: 7px; }
.trust-nodes h2 { margin-top: 27px; color: #f3f6ff; font-size: 12px; font-weight: 600; }
.trust-nodes p { margin-top: 7px; color: #8392bf; font-size: 8.5px; line-height: 1.55; }
.trust-nodes article i { position: absolute; right: 13px; top: 13px; width: 6px; height: 6px; border-radius: 50%; background: #7898eb; box-shadow: 0 0 12px rgba(120, 152, 235, .38); }
.trust-nodes article:first-child i { background: #52cda1; box-shadow: 0 0 12px rgba(82, 205, 161, .38); }
.trust-nodes > em { color: #6679b1; font-family: var(--font-mono); font-size: 10px; font-style: normal; text-align: center; }
.trust-boundary { display: grid; grid-template-columns: 1fr auto; gap: 5px 16px; align-items: end; margin-top: 15px; padding: 16px 17px; border: 1px solid rgba(242, 180, 95, .18); border-radius: 12px; background: rgba(252, 217, 160, .055); }
.trust-boundary span { color: #8f9bc0; font-size: 8px; }
.trust-boundary strong { grid-row: span 2; color: var(--moon-300); font-size: 11px; font-weight: 600; }
.trust-boundary small { color: #6f80b3; font-size: 8px; }

.security-isolation,
.security-credentials,
.security-dataflow { padding: 88px 0; }
.security-isolation { background: var(--bg-subtle); }
.security-isolation .section-head,
.security-credentials .section-head,
.security-infra .section-head,
.security-dataflow .section-head { margin-bottom: 40px; }
.security-isolation .section-title,
.security-account .section-title,
.security-credentials .section-title,
.security-infra .section-title,
.security-dataflow .section-title { font-size: clamp(27px, 3vw, 36px); font-weight: 600; letter-spacing: -.025em; }
.security-isolation .grid,
.security-credentials .grid,
.security-infra .grid { gap: 12px; }
.security-isolation .grid { counter-reset: isolation; }
.security-isolation .sec-item { counter-increment: isolation; position: relative; min-height: 220px; padding: 28px 28px 26px 74px; border: 1px solid var(--border); border-radius: 16px; background: var(--bg-card); }
.security-isolation .sec-item::before { content: "0" counter(isolation); position: absolute; left: 27px; top: 28px; color: var(--moon-500); font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .04em; }
.security-isolation .sec-item-title,
.security-credentials .sec-item-title,
.security-infra .sec-item-title { font-size: 16px; font-weight: 600; }
.security-isolation .sec-item-body,
.security-credentials .sec-item-body,
.security-infra .sec-item-body { margin-top: 11px; color: var(--text-soft); font-size: 13.5px; line-height: 1.72; }

.security-account { position: relative; overflow: hidden; padding: 88px 0; background: linear-gradient(145deg, #101c4d, #07102f 76%); }
.security-account::after { content: ""; position: absolute; right: -190px; top: -320px; width: 640px; height: 640px; border-radius: 50%; background: radial-gradient(circle, rgba(252, 217, 160, .10), transparent 68%); }
.security-account .container { position: relative; z-index: 1; }
.security-account .section-head { max-width: 680px; margin-bottom: 40px; }
.security-account .section-lede { max-width: 650px; font-size: 14px; }
.security-account .accuracy-conditions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; overflow: hidden; border: 1px solid rgba(157, 182, 255, .13); border-radius: 17px; background: rgba(157, 182, 255, .10); }
.security-account .condition { display: block; min-height: 210px; padding: 26px; border: 0; background: rgba(7, 16, 47, .88); }
.security-account .condition .tag { display: inline-flex; padding: 4px 8px; border: 1px solid rgba(157, 182, 255, .14); border-radius: 999px; color: var(--moon-300); background: rgba(252, 217, 160, .05); font-size: 8px; }
.security-account .condition p { margin-top: 43px; color: #a0afd5; font-size: 13.5px; line-height: 1.72; }

.security-credentials .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
:root[data-review-mode] .security-credentials .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.security-credentials .sec-item { min-height: 330px; padding: 27px; border: 1px solid var(--border); border-radius: 16px; background: var(--bg-card); }
.security-credentials .sec-item::before { content: ""; display: block; width: 28px; height: 2px; margin-bottom: 28px; background: linear-gradient(90deg, #7898eb, transparent); }

.security-infra { padding: 88px 0; }
.security-infra .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.security-infra .sec-item { min-height: 225px; padding: 25px; border: 1px solid var(--border); border-radius: 15px; background: var(--bg-card); }

.security-dataflow .table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; }
.security-dataflow .data-table { min-width: 760px; border: 0; }
.security-dataflow .data-table th { color: var(--text-muted); background: var(--bg-subtle); font-size: 12px; font-weight: 600; letter-spacing: .04em; }
.security-dataflow .data-table td { padding-top: 19px; padding-bottom: 19px; color: var(--text-soft); font-size: 13.5px; line-height: 1.65; }
.security-dataflow .data-table td:first-child { color: var(--text); font-weight: 600; }
.security-dataflow .legal { margin-top: 18px !important; }
.security-dataflow .callout { border-radius: 13px; font-size: 13px; line-height: 1.7; }

.security-report { padding: 72px 0; background: var(--bg-subtle); }
.security-report-card { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 46px; align-items: center; padding: 37px 40px; border: 1px solid rgba(151, 176, 245, .14); border-radius: 18px; color: #eaf0ff; background: linear-gradient(145deg, #101c4d, #07102f); }
.security-report-card h2 { color: #fff; font-size: 25px; font-weight: 600; }
.security-report-card p { max-width: 700px; color: #9ba9d2; font-size: 13.5px; line-height: 1.72; }
.security-report-card .btn { grid-column: 2; grid-row: 1 / span 2; min-width: 220px; }

@keyframes security-grid-drift { to { background-position: 58px 58px; } }

@media (max-width: 1040px) {
  .security-hero-layout { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .trust-map { max-width: 760px; }
  .security-credentials .grid,
  .security-infra .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .security-account .accuracy-conditions,
  .security-credentials .grid,
  .security-infra .grid { grid-template-columns: minmax(0, 1fr); }
  :root[data-review-mode] .security-credentials .grid { grid-template-columns: minmax(0, 1fr); }
  .security-account .condition { min-height: 175px; }
  .security-report-card { grid-template-columns: minmax(0, 1fr); }
  .security-report-card .btn { grid-column: 1; grid-row: auto; width: 100%; }
}

@media (max-width: 640px) {
  /* 通用卡片表在 640px 生效，这里必须同步撤掉页面的 760px 表宽。 */
  .security-dataflow .table-scroll--cards { overflow: visible; border: 0; }
  .security-dataflow .data-table--cards { min-width: 0; }
}

@media (max-width: 580px) {
  .security-hero { padding-top: 126px; padding-bottom: 72px; }
  .security-hero-copy h1 { font-size: 33px; line-height: 1.18; }
  .security-hero-copy > p:not(.eyebrow) { font-size: 14.5px; }
  .security-hero-actions { flex-direction: column; align-items: stretch; gap: 14px; }
  .security-hero-actions .btn { width: 100%; }
  .security-text-link { justify-content: center; }
  .trust-map { padding: 0 17px 19px; }
  .trust-map-head { margin: 0 -17px; padding: 0 17px; }
  .trust-nodes { grid-template-columns: minmax(0, 1fr); }
  .trust-nodes > em { transform: rotate(90deg); }
  .trust-nodes article { min-height: 112px; }
  .trust-nodes h2 { margin-top: 20px; }
  .trust-boundary { grid-template-columns: minmax(0, 1fr); }
  .trust-boundary strong { grid-row: auto; }
  .security-isolation, .security-account, .security-credentials, .security-infra, .security-dataflow { padding: 72px 0; }
  .security-isolation .sec-item { padding-left: 62px; }
  .security-isolation .sec-item::before { left: 22px; }
  .security-report-card { padding: 29px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .security-hero-grid { animation: none; }
}