/* ==========================================================================
   Space Vanta · Trust Bridge — policy（图标点击查看）
   路径：public/trust-bridge/policy/cs/policy.css
   轻盈的磨砂玻璃板浮在图片堆栈下沿（通透 = Accessible），
   深色切角图标块 + 金属细线 + 蓝色边缘光（精密 = Premium）。
   交互绑定：data-trust-policy / data-trust-policy-trigger / data-trust-policy-panel / data-trust-policy-hint
   ========================================================================== */

/* 外层：压入舞台下沿；阴影用独立的模糊块，避免祖先 filter 破坏磨砂效果 */
.sv-trust-bridge__bar-wrap {
  position: relative;
  z-index: 7;
  margin: calc(var(--sv-tb-overlap) * -1) clamp(12px, 4.5vw, 72px) 0;
}

.sv-trust-bridge__bar-wrap::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 4%;
  right: 4%;
  top: 22px;
  bottom: -20px;
  background: rgba(47, 90, 190, .22);
  filter: blur(26px);
  opacity: .7;
}

.sv-trust-bridge__bar {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  color: var(--sv-tb-ink);
  background: var(--sv-tb-frost);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
          backdrop-filter: blur(16px) saturate(1.15);
  clip-path: polygon(
    var(--sv-tb-cut) 0,
    100% 0,
    100% calc(100% - var(--sv-tb-cut)),
    calc(100% - var(--sv-tb-cut)) 100%,
    0 100%,
    0 var(--sv-tb-cut)
  );
}

/* 上缘：金属高光 → 蓝色边缘光；下缘：银灰细线 */
.sv-trust-bridge__bar::before,
.sv-trust-bridge__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sv-trust-bridge__bar::before {
  background: linear-gradient(90deg, transparent, var(--sv-tb-glow) 26%, var(--sv-tb-blue) 55%, transparent);
  clip-path: polygon(var(--sv-tb-cut) 0, 100% 0, 100% 1.5px, var(--sv-tb-cut) 1.5px);
}

.sv-trust-bridge__bar::after {
  background: linear-gradient(90deg, transparent, var(--sv-tb-silver-300) 30%, var(--sv-tb-silver-300) 70%, transparent);
  clip-path: polygon(0 calc(100% - 1px), calc(100% - var(--sv-tb-cut)) calc(100% - 1px), calc(100% - var(--sv-tb-cut)) 100%, 0 100%);
}

/* ---------- 图标行 ---------- */
.sv-trust-bridge__triggers {
  display: flex;
  align-items: stretch;
  gap: 4px;
  padding: 18px 12px 14px 26px;
}

.sv-trust-bridge__trigger {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 6px 4px 12px;
  appearance: none;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  text-align: center;
  cursor: pointer;
}

.sv-trust-bridge__trigger:focus-visible {
  outline: 2px solid var(--sv-tb-blue);
  outline-offset: 2px;
}

.sv-trust-bridge__trigger-label {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: .05em;
  color: var(--sv-tb-steel-500);
  transition: color .3s;
}

.sv-trust-bridge__trigger:hover .sv-trust-bridge__trigger-label,
.sv-trust-bridge__trigger[aria-expanded="true"] .sv-trust-bridge__trigger-label {
  color: var(--sv-tb-ink);
}

/* 选中指示：底部一小段蓝色光条 */
.sv-trust-bridge__trigger::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 20px;
  height: 2px;
  margin-left: -10px;
  background: var(--sv-tb-blue);
  box-shadow: 0 0 8px var(--sv-tb-blue);
  transform: scaleX(0);
  transition: transform .4s var(--sv-tb-ease);
}

.sv-trust-bridge__trigger[aria-expanded="true"]::after { transform: scaleX(1); }

/* 图标容器：外层负责发光，内层负责切角与描边 */
.sv-trust-bridge__icon-wrap {
  filter: drop-shadow(0 0 0 rgba(47, 107, 255, 0));
  transition: filter .4s, transform .4s var(--sv-tb-ease);
}

.sv-trust-bridge__trigger:hover .sv-trust-bridge__icon-wrap { transform: translateY(-2px); filter: drop-shadow(0 6px 10px rgba(47, 107, 255, .3)); }

.sv-trust-bridge__trigger[aria-expanded="true"] .sv-trust-bridge__icon-wrap {
  filter: drop-shadow(0 0 10px rgba(47, 107, 255, .55));
}

/* 亮面玻璃切角块：通透的珍珠白底 + 钢灰/电光蓝切面，选中时整块点亮为蓝色渐变 */
.sv-trust-bridge__icon {
  --sv-icon-accent: var(--sv-tb-blue);
  position: relative;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  color: var(--sv-tb-steel-700);
  background: var(--sv-tb-rim);          /* 金属描边 */
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: filter .4s;
}

.sv-trust-bridge__icon::before {
  content: "";
  position: absolute;
  inset: 1.5px;
  background: var(--sv-tb-glass);
  clip-path: polygon(11px 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%, 0 11px);
  transition: background .4s;
}

.sv-trust-bridge__icon svg {
  position: relative;
  width: 36px;
  height: 36px;
}

.sv-trust-bridge__trigger[aria-expanded="true"] .sv-trust-bridge__icon {
  --sv-icon-accent: #fff;
  color: #fff;
  background: var(--sv-tb-grad);
}

.sv-trust-bridge__trigger[aria-expanded="true"] .sv-trust-bridge__icon::before {
  background: var(--sv-tb-grad);
}

/* ---------- 读出区：点击图标后在这里显示摘要 + 完整政策链接 ---------- */
.sv-trust-bridge__readout {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 132px;
  padding: 20px 32px 20px 36px;
}

/* 斜向分隔线 */
.sv-trust-bridge__readout::before {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(47, 107, 255, .5), transparent);
  transform: skewX(-8deg);
}

.sv-trust-bridge__hint,
.sv-trust-bridge__panel {
  grid-area: 1 / 1;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  filter: blur(6px);
  transition: opacity .35s, transform .45s var(--sv-tb-ease), filter .35s, visibility 0s .35s;
}

.sv-trust-bridge__hint[data-active="true"],
.sv-trust-bridge__panel[data-active="true"] {
  opacity: 1;
  visibility: visible;
  transform: none;
  filter: blur(0);
  transition: opacity .4s .08s, transform .5s var(--sv-tb-ease) .08s, filter .4s .08s, visibility 0s;
}

.sv-trust-bridge__hint {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--sv-tb-steel-500);
}

.sv-trust-bridge__hint::before {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border: 1px solid var(--sv-tb-blue);
  transform: rotate(45deg);
}

.sv-trust-bridge__panel-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--sv-tb-ink);
}

.sv-trust-bridge__panel-text {
  max-width: 36em;
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sv-tb-steel-600);
}

/* ---------- 移动端：图标行在上，读出区在下 ---------- */
@media (max-width: 767px) {
  .sv-trust-bridge__bar-wrap { margin-inline: 12px; }

  .sv-trust-bridge__bar { grid-template-columns: minmax(0, 1fr); }

  .sv-trust-bridge__triggers { padding: 12px 10px 0; gap: 2px; }

  .sv-trust-bridge__trigger { gap: 8px; padding-inline: 2px; }
  .sv-trust-bridge__trigger-label { font-size: 11px; letter-spacing: .03em; }

  .sv-trust-bridge__icon { width: 50px; height: 50px; }
  .sv-trust-bridge__icon svg { width: 30px; height: 30px; }

  /* 手机：未展开时只占一行提示，不抢首屏高度；展开时读出区随内容增高（由用户点击触发） */
  .sv-trust-bridge__readout { min-height: 0; padding: 12px 22px 14px; }

  .sv-trust-bridge__hint:not([data-active="true"]),
  .sv-trust-bridge__panel:not([data-active="true"]) {
    position: absolute;
    top: 12px;
    left: 22px;
    right: 22px;
  }

  .sv-trust-bridge__readout::before {
    top: 0;
    bottom: auto;
    left: 22px;
    right: 22px;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(47, 107, 255, .5), transparent);
    transform: none;
  }
}