/* 本文件与 index_article.htm 同目录，用于本地保存离线展示 */

*,
*::before,
*::after {
  box-sizing: border-box;
}

.z1f7bbbody {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, "Noto Sans SC",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #0f172a;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(59, 130, 246, 0.18), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(16, 185, 129, 0.14), transparent 60%),
    #f7fafc;
}

.z1f7bbpage {
  min-height: 100vh;
  overflow-x: clip;
}

.z1f7bbcontainer {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 18px;
  min-width: 0;
}

/* 避免锚点跳转时被 sticky header 遮挡 */
.z1f7bbmain section[id] {
  scroll-margin-top: 88px;
}

.z1f7bbheader {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  position: sticky;
  top: 0;
  z-index: 20;
}

.z1f7bbheaderInner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
}

.z1f7bbbrand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
}

.z1f7bbbrandMark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(16, 185, 129, 0.95));
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.z1f7bbbrandName {
  font-weight: 800;
  line-height: 1.15;
}

.z1f7bbbrandSub {
  margin-top: 2px;
  font-size: 12px;
  color: rgba(15, 23, 42, 0.7);
}

.z1f7bbnavToggle {
  display: none;
}

.z1f7bbnavToggleBtn {
  display: none;
}

.z1f7bbnavList {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.z1f7bbnavLink {
  text-decoration: none;
  color: rgba(15, 23, 42, 0.8);
  font-weight: 650;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 10px;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
  display: inline-block;
}

.z1f7bbnavLink:hover {
  background: rgba(37, 99, 235, 0.10);
  color: rgba(37, 99, 235, 0.95);
  transform: translateY(-1px);
}

.z1f7bbmain {
  padding-bottom: 32px;
}

.z1f7bbhero {
  padding: 34px 0 10px;
}

.z1f7bbheroGrid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
  align-items: start;
}

.z1f7bbheroLeft,
.z1f7bbheroRight,
.z1f7bbcard,
.z1f7bbtimeItem,
.z1f7bbfeature,
.z1f7bbprivacyCard,
.z1f7bbkeywordCol,
.z1f7bbfaqItem {
  min-width: 0;
}

.z1f7bbheroRight {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}

.z1f7bbheroImageWrap {
  width: 100%;
  max-width: 440px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 22px;
  padding: 10px;
  box-shadow: 0 22px 46px rgba(15, 23, 42, 0.06);
}

.z1f7bbheroImage {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
}

.z1f7bbh1 {
  margin: 0;
  font-size: clamp(28px, 4.2vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.2px;
}

.z1f7bblead {
  margin: 14px 0 18px;
  font-size: clamp(14px, 2.2vw, 16px);
  line-height: 1.8;
  color: rgba(15, 23, 42, 0.78);
}

.z1f7bbctaRow {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.z1f7bbbtn {
  text-decoration: none;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 800;
  font-size: 14px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

.z1f7bbbtn_full {
  width: 100%;
}

.z1f7bbbtn_primary {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(16, 185, 129, 0.95));
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);
}

.z1f7bbbtn_primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.24);
}

.z1f7bbbtn_ghost {
  background: rgba(255, 255, 255, 0.8);
  color: rgba(15, 23, 42, 0.86);
  border-color: rgba(15, 23, 42, 0.12);
}

.z1f7bbbtn_ghost:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 1);
  border-color: rgba(37, 99, 235, 0.25);
}

.z1f7bbquickFacts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.z1f7bbfact {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  padding: 12px;
}

.z1f7bbfactTop {
  font-weight: 900;
  color: rgba(37, 99, 235, 0.95);
}

.z1f7bbfactTitle {
  margin-top: 6px;
  font-weight: 900;
}

.z1f7bbfactText {
  margin-top: 6px;
  font-size: 13px;
  color: rgba(15, 23, 42, 0.75);
  line-height: 1.55;
}

.z1f7bbpanel {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.06);
}

.z1f7bbpanelTitle {
  font-weight: 950;
  font-size: 16px;
}

.z1f7bbpanelText {
  margin: 10px 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(15, 23, 42, 0.78);
}

.z1f7bbtagRow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.z1f7bbtag {
  background: rgba(37, 99, 235, 0.10);
  color: rgba(37, 99, 235, 0.95);
  border: 1px solid rgba(37, 99, 235, 0.18);
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 850;
  font-size: 12.5px;
}

.z1f7bbpanelDivider {
  height: 1px;
  background: rgba(15, 23, 42, 0.08);
  margin: 10px 0 14px;
}

.z1f7bbpanelSteps {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}

.z1f7bbpanelStep {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.z1f7bbstepNo {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(16, 185, 129, 0.14);
  color: rgba(16, 185, 129, 0.95);
  font-weight: 900;
}

.z1f7bbstepTitle {
  font-weight: 900;
}

.z1f7bbstepText {
  margin-top: 4px;
  font-size: 12.8px;
  line-height: 1.55;
  color: rgba(15, 23, 42, 0.75);
}

.z1f7bbsection {
  padding: 34px 0;
}

/* 统一增强板块分隔感：相邻 section 之间增加更粗分割线 */
.z1f7bbmain > .z1f7bbsection + .z1f7bbsection {
  border-top: 2px solid rgba(148, 163, 184, 0.35);
}

/* 主横幅（hero）与服务范围首个 section 之间的分隔线 */
.z1f7bbmain > .z1f7bbhero + .z1f7bbsection {
  border-top: 2px solid rgba(148, 163, 184, 0.35);
}

.z1f7bbsectionAlt {
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.08), transparent 40%);
  border-top: 1px solid rgba(15, 23, 42, 0.05);
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
}

.z1f7bbsectionAlt2 {
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.08), transparent 45%);
  border-top: 1px solid rgba(15, 23, 42, 0.05);
}

.z1f7bbsectionHead {
  text-align: center;
  margin-bottom: 18px;
}

.z1f7bbh2 {
  margin: 0;
  font-size: 26px;
  line-height: 1.3;
  letter-spacing: -0.1px;
  font-weight: 980;
}

.z1f7bbsectionSub {
  margin: 10px auto 0;
  max-width: 720px;
  color: rgba(15, 23, 42, 0.75);
  line-height: 1.8;
  font-size: 14.5px;
}

.z1f7bbh3 {
  margin: 0;
  font-size: 16px;
  font-weight: 950;
}

.z1f7bbcardGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.z1f7bbcard {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.05);
  height: 100%;
}

.z1f7bbcardIcon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: rgba(37, 99, 235, 0.10);
  color: rgba(37, 99, 235, 0.95);
  display: grid;
  place-items: center;
}

.z1f7bbcardText {
  margin-top: 10px;
  font-size: 13.7px;
  line-height: 1.75;
  color: rgba(15, 23, 42, 0.78);
}

.z1f7bbcardMeta {
  margin-top: 12px;
  font-size: 12.7px;
  color: rgba(15, 23, 42, 0.65);
}

.z1f7bbkeywordPanel {
  margin-top: 14px;
  border-radius: 22px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  background: rgba(255, 255, 255, 0.52);
  padding: 16px;
}

.z1f7bbkeywordPanelHead {
  margin-bottom: 12px;
}

.z1f7bbkeywordSub {
  margin-top: 8px;
  color: rgba(15, 23, 42, 0.75);
  line-height: 1.75;
  font-size: 13.8px;
  max-width: 720px;
}

.z1f7bbkeywordGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.z1f7bbkeywordCol {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 18px;
  padding: 12px;
}

.z1f7bbkeywordTitle {
  font-weight: 980;
  font-size: 14.5px;
  margin-bottom: 10px;
}

.z1f7bbtimeline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 10px;
}

.z1f7bbtimeItem {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 16px;
  height: 100%;
}

.z1f7bbtimeNo {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(37, 99, 235, 0.14);
  color: rgba(37, 99, 235, 0.95);
  font-weight: 980;
}

.z1f7bbtimeBody .z1f7bbh3 {
  margin-top: 2px;
}

.z1f7bbfeatureRow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.z1f7bbfeature {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 16px;
  height: 100%;
}

.z1f7bbfeatureTitle {
  font-weight: 980;
}

.z1f7bbfeatureText {
  margin-top: 8px;
  font-size: 13.7px;
  line-height: 1.7;
  color: rgba(15, 23, 42, 0.76);
}

.z1f7bbtwoCol {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
  align-items: start;
}

.z1f7bbarticle {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 16px;
}

.z1f7bblist {
  margin: 14px 0 0;
  padding: 0 0 0 18px;
  color: rgba(15, 23, 42, 0.78);
  line-height: 1.85;
  font-size: 14px;
}

.z1f7bblistItem {
  margin: 6px 0;
}

.z1f7bbstickyPanel {
  position: sticky;
  top: 96px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  overflow: hidden;
}

.z1f7bbstickyTop {
  padding: 14px 16px;
  font-weight: 980;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(16, 185, 129, 0.10));
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.z1f7bbstickyBody {
  padding: 14px 16px 10px;
  display: grid;
  gap: 10px;
}

.z1f7bbstickyRow {
  display: grid;
  gap: 6px;
}

.z1f7bbstickyK {
  font-size: 12.8px;
  font-weight: 850;
  color: rgba(15, 23, 42, 0.62);
}

.z1f7bbstickyV {
  font-weight: 980;
  letter-spacing: -0.1px;
}

.z1f7bbstickyBottom {
  padding: 12px 16px 16px;
}

.z1f7bbsubGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.z1f7bbsubCard {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 16px;
}

.z1f7bbprivacyFrame {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 14px;
  align-items: start;
}

.z1f7bbprivacyRail {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 20px;
  padding: 14px;
}

.z1f7bbprivacyRailTop {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.z1f7bbprivacyBadge {
  font-size: 12px;
  font-weight: 900;
  color: #fff;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(16, 185, 129, 0.95));
  padding: 6px 10px;
  border-radius: 999px;
}

.z1f7bbprivacySteps {
  display: grid;
  gap: 10px;
}

.z1f7bbprivacyStep {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.62);
}

.z1f7bbprivacyNo {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 980;
  color: rgba(37, 99, 235, 0.95);
  background: rgba(37, 99, 235, 0.14);
}

.z1f7bbprivacyStepTitle {
  font-weight: 950;
}

.z1f7bbprivacyStepText {
  margin-top: 4px;
  font-size: 13.3px;
  line-height: 1.65;
  color: rgba(15, 23, 42, 0.75);
}

.z1f7bbprivacyMain {
  display: grid;
  gap: 12px;
}

.z1f7bbprivacyGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.z1f7bbprivacyCard {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 14px;
  height: 100%;
}

.z1f7bbprivacyTitle {
  font-weight: 980;
}

.z1f7bbprivacyNote {
  border-radius: 16px;
  border: 1px dashed rgba(16, 185, 129, 0.25);
  background: rgba(16, 185, 129, 0.08);
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(15, 23, 42, 0.82);
}

.z1f7bbcaseGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.z1f7bbcaseCard {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 16px;
}

.z1f7bbcaseTags {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.z1f7bbchip {
  font-size: 12.5px;
  font-weight: 900;
  color: rgba(15, 23, 42, 0.75);
  background: rgba(15, 23, 42, 0.05);
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 6px 10px;
  border-radius: 999px;
}

.z1f7bbfaqFrame {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 14px;
  align-items: start;
}

.z1f7bbfaqAside {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 20px;
  padding: 14px;
  position: sticky;
  top: 92px;
}

.z1f7bbfaqAsideTitle {
  font-weight: 980;
  font-size: 16px;
}

.z1f7bbfaqAsideList {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.z1f7bbfaqAsideItem {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.85);
  padding: 10px 12px;
  font-weight: 850;
  font-size: 13.6px;
  color: rgba(15, 23, 42, 0.82);
}

.z1f7bbfaqAsideTip {
  margin-top: 12px;
  border-radius: 14px;
  border: 1px dashed rgba(37, 99, 235, 0.25);
  background: rgba(37, 99, 235, 0.08);
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(15, 23, 42, 0.8);
}

.z1f7bbfaqMain {
  display: grid;
  gap: 12px;
}

.z1f7bbfaqGroupTitle {
  font-size: 14.8px;
  font-weight: 980;
  color: rgba(15, 23, 42, 0.84);
  margin-top: 2px;
}

.z1f7bbfaqGrid {
  display: grid;
  gap: 10px;
}

.z1f7bbfaqItem {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  padding: 0 14px;
}

.z1f7bbfaqSummary {
  padding: 12px 0;
  list-style: none;
  cursor: pointer;
  font-weight: 980;
  font-size: 14.4px;
}

.z1f7bbfaqSummary::-webkit-details-marker {
  display: none;
}

.z1f7bbfaqBody {
  padding: 0 0 12px;
  color: rgba(15, 23, 42, 0.78);
  line-height: 1.75;
  font-size: 13.8px;
}

.z1f7bbcontactWrap {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 22px;
  padding: 18px;
}

.z1f7bbcontactHead {
  text-align: center;
}

.z1f7bbcontactFrame {
  margin-top: 10px;
  display: grid;
  gap: 14px;
}

.z1f7bbcontactFlow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.z1f7bbcontactFlowItem {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  padding: 10px;
}

.z1f7bbcontactFlowNo {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 980;
  color: rgba(37, 99, 235, 0.95);
  background: rgba(37, 99, 235, 0.14);
}

.z1f7bbcontactFlowTitle {
  font-weight: 950;
}

.z1f7bbcontactFlowText {
  margin-top: 4px;
  font-size: 13.2px;
  line-height: 1.6;
  color: rgba(15, 23, 42, 0.75);
}

.z1f7bbcontactGrid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 14px;
  margin-top: 10px;
}

.z1f7bbform {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 16px;
}

.z1f7bbformRow {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.z1f7bblabel {
  font-weight: 920;
  font-size: 14px;
}

.z1f7bbinput,
.z1f7bbselect,
.z1f7bbtextarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  padding: 11px 12px;
  font-size: 14px;
  outline: none;
  background: rgba(248, 250, 252, 0.9);
}

.z1f7bbtextarea {
  resize: vertical;
}

.z1f7bbinput:focus,
.z1f7bbselect:focus,
.z1f7bbtextarea:focus {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.z1f7bbformActions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.z1f7bbformHint {
  margin: 12px 0 0;
  font-size: 12.8px;
  color: rgba(15, 23, 42, 0.68);
  line-height: 1.6;
}

.z1f7bbcontactAside {
  display: grid;
  gap: 14px;
}

.z1f7bbasideCard {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 16px;
}

.z1f7bbasideCardAlt {
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.08), rgba(255, 255, 255, 0.78));
}

.z1f7bbasideTitle {
  font-weight: 980;
  margin-bottom: 10px;
}

.z1f7bbbullets {
  display: grid;
  gap: 10px;
}

.z1f7bbbullet {
  display: flex;
  gap: 10px;
  align-items: center;
  font-weight: 850;
  color: rgba(15, 23, 42, 0.8);
}

.z1f7bbdot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(16, 185, 129, 0.95));
  box-shadow: 0 8px 16px rgba(37, 99, 235, 0.18);
}

.z1f7bbfooter {
  margin-top: 12px;
  padding: 16px 0 12px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.65);
}

.z1f7bbfooterInner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 8px;
  align-items: start;
}

.z1f7bbfooterBrand {
  font-weight: 980;
}

.z1f7bbfooterText {
  margin-top: 6px;
  color: rgba(15, 23, 42, 0.72);
  line-height: 1.6;
  font-size: 13px;
}

.z1f7bbfooterTitle {
  font-weight: 980;
  margin-bottom: 6px;
  font-size: 14px;
}

.z1f7bbfooterLinks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.z1f7bbfooterLink {
  text-decoration: none;
  color: rgba(15, 23, 42, 0.8);
  font-weight: 820;
  font-size: 13px;
  padding: 7px 8px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.72);
  line-height: 1.25;
}

.z1f7bbfooterLink:hover {
  border-color: rgba(37, 99, 235, 0.25);
}

.z1f7bbcopyright {
  margin-top: 8px;
  color: rgba(15, 23, 42, 0.65);
  font-size: 12.4px;
  line-height: 1.5;
}

.z1f7bbfooter .z1f7bblist {
  margin: 6px 0 0;
  padding-left: 16px;
  line-height: 1.6;
  font-size: 13px;
}

.z1f7bbfooter .z1f7bbcontainer + .z1f7bbcontainer {
  margin-top: 4px;
}

/* Responsive */
@media (max-width: 1200px) {
  .z1f7bbcontainer {
    max-width: 1040px;
  }
}

@media (max-width: 980px) {
  .z1f7bbcontainer {
    padding: 0 16px;
  }
  .z1f7bbsection {
    padding: 30px 0;
  }
  .z1f7bbheroGrid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .z1f7bbheroRight {
    justify-content: flex-start;
    order: 2;
    width: 100%;
  }
  .z1f7bbheroLeft {
    order: 1;
  }
  .z1f7bbheroImageWrap {
    max-width: 100%;
  }
  .z1f7bbquickFacts {
    grid-template-columns: 1fr;
  }
  .z1f7bbcardGrid {
    grid-template-columns: 1fr 1fr;
  }
  .z1f7bbtimeline {
    grid-template-columns: 1fr;
  }
  .z1f7bbfeatureRow {
    grid-template-columns: 1fr;
  }
  .z1f7bbtwoCol {
    grid-template-columns: 1fr;
  }
  .z1f7bbstickyPanel {
    position: relative;
    top: auto;
  }
  .z1f7bbsubGrid {
    grid-template-columns: 1fr;
  }
  .z1f7bbprivacyFrame {
    grid-template-columns: 1fr;
  }
  .z1f7bbprivacyGrid {
    grid-template-columns: 1fr 1fr;
  }
  .z1f7bbcaseGrid {
    grid-template-columns: 1fr;
  }
  .z1f7bbcontactGrid {
    grid-template-columns: 1fr;
  }
  .z1f7bbcontactFlow {
    grid-template-columns: 1fr 1fr;
  }
  .z1f7bbfaqFrame {
    grid-template-columns: 1fr;
  }
  .z1f7bbfaqAside {
    position: relative;
    top: auto;
  }
  .z1f7bbfooterInner {
    grid-template-columns: 1fr;
  }

  .z1f7bbkeywordGrid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .z1f7bbcontainer {
    padding: 0 14px;
  }
  .z1f7bbsection {
    padding: 24px 0;
  }
  .z1f7bbmain > .z1f7bbsection + .z1f7bbsection,
  .z1f7bbmain > .z1f7bbhero + .z1f7bbsection {
    border-top-width: 1px;
  }
  .z1f7bbh1 {
    font-size: 24px;
  }
  .z1f7bblead {
    line-height: 1.7;
  }
  .z1f7bbh2 {
    font-size: 23px;
  }
  .z1f7bbnav {
    width: 100%;
  }
  .z1f7bbnavList {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
  .z1f7bbnavLink {
    width: 100%;
    text-align: center;
    padding: 8px 6px;
    font-size: 12.5px;
  }
  .z1f7bbbtn {
    width: 100%;
  }
  .z1f7bbctaRow {
    gap: 10px;
  }
  .z1f7bbh3 {
    font-size: 15px;
  }
  .z1f7bbcardText {
    font-size: 13.4px;
    line-height: 1.7;
  }
  .z1f7bbcardMeta {
    font-size: 12.4px;
    margin-top: 10px;
  }
  .z1f7bbcardIcon {
    width: 36px;
    height: 36px;
    border-radius: 12px;
  }
  .z1f7bbcardGrid {
    grid-template-columns: 1fr;
  }
  .z1f7bbprivacyGrid {
    grid-template-columns: 1fr;
  }
  .z1f7bbnavList {
    justify-content: flex-start;
  }
  .z1f7bbheaderInner {
    flex-direction: column;
    align-items: flex-start;
  }
  .z1f7bbcontactFlow {
    grid-template-columns: 1fr;
  }
  .z1f7bbfooterLinks {
    grid-template-columns: 1fr 1fr;
  }
  .z1f7bbheroImageWrap {
    padding: 6px;
    border-radius: 14px;
    aspect-ratio: 16 / 9;
  }
  .z1f7bbheroImage {
    height: 100%;
    object-fit: cover;
    object-position: center;
  }
}

@media (max-width: 420px) {
  .z1f7bbheader {
    position: static;
  }
  .z1f7bbmain section[id] {
    scroll-margin-top: 12px;
  }
  .z1f7bbbrand {
    min-width: 0;
  }
  .z1f7bbbrandName {
    font-size: 16px;
  }
  .z1f7bbbrandSub {
    font-size: 11px;
  }
  .z1f7bbnavList {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    gap: 7px;
  }
  .z1f7bbnavLink {
    padding: 7px 6px;
    font-size: 12px;
  }
  .z1f7bbtagRow {
    gap: 6px;
    margin-bottom: 10px;
  }
  .z1f7bbhero {
    padding-top: 20px;
  }
  .z1f7bbheroImageWrap {
    padding: 5px;
    border-radius: 12px;
  }
  .z1f7bbheroImage {
    border-radius: 10px;
  }
  .z1f7bbcard,
  .z1f7bbtimeItem,
  .z1f7bbfeature,
  .z1f7bbprivacyCard,
  .z1f7bbfaqItem,
  .z1f7bbkeywordCol,
  .z1f7bbsubCard {
    padding: 12px;
    border-radius: 14px;
  }
  .z1f7bbprivacyRail,
  .z1f7bbfaqAside,
  .z1f7bbkeywordPanel {
    border-radius: 16px;
    padding: 12px;
  }
  .z1f7bbfaqSummary {
    font-size: 14px;
    padding: 10px 0;
  }
  .z1f7bbfaqBody {
    font-size: 13.4px;
    line-height: 1.7;
  }
  .z1f7bbtag {
    font-size: 12px;
    padding: 5px 9px;
  }
  .z1f7bbfaqAsideItem {
    font-size: 13px;
    padding: 9px 10px;
  }
  .z1f7bbprivacyStepText,
  .z1f7bbfaqBody,
  .z1f7bbsectionSub {
    line-height: 1.65;
  }
  .z1f7bbfooter {
    margin-top: 14px;
    padding: 12px 0 8px;
  }
  .z1f7bbfooterLinks {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 360px) {
  .z1f7bbcontainer {
    padding: 0 12px;
  }
  .z1f7bbh1 {
    font-size: 22px;
    line-height: 1.2;
  }
  .z1f7bbh2 {
    font-size: 21px;
  }
  .z1f7bblead,
  .z1f7bbsectionSub {
    font-size: 13.4px;
  }
  .z1f7bbbtn {
    font-size: 13px;
    padding: 9px 12px;
  }
  .z1f7bbnavLink {
    font-size: 11.5px;
    padding: 6px 5px;
  }
  .z1f7bbbrandName {
    font-size: 15px;
  }
  .z1f7bbbrandSub {
    font-size: 10.5px;
  }
  .z1f7bbtag {
    font-size: 11.5px;
    padding: 4px 8px;
  }
  .z1f7bbfaqSummary {
    font-size: 13.5px;
  }
}

@media (max-width: 320px) {
  .z1f7bbcontainer {
    padding: 0 10px;
  }
  .z1f7bbh1 {
    font-size: 20px;
  }
  .z1f7bbh2 {
    font-size: 19px;
  }
  .z1f7bbbtn {
    font-size: 12.5px;
    padding: 8px 10px;
  }
}

/* 移动端栏目导航：汉堡菜单收纳 */
@media (max-width: 768px) {
  .z1f7bbheaderInner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 10px;
  }
  .z1f7bbbrand {
    min-width: 0;
  }
  .z1f7bbnavToggleBtn {
    display: inline-flex;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    background: rgba(255, 255, 255, 0.82);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
  }
  .z1f7bbnavToggleBtn span {
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: rgba(15, 23, 42, 0.82);
    transition: transform 180ms ease, opacity 180ms ease;
  }
  .z1f7bbnav {
    grid-column: 1 / -1;
    width: 100%;
    max-height: 0;
    opacity: 0;
    overflow: hidden auto;
    pointer-events: none;
    transition: max-height 220ms ease, opacity 180ms ease, margin-top 180ms ease;
    margin-top: 0;
  }
  .z1f7bbnavList {
    display: grid;
    grid-template-columns: 1fr;
    justify-content: flex-start;
    width: 100%;
    gap: 6px;
  }
  .z1f7bbnavList li {
    width: 100%;
  }
  .z1f7bbnavLink {
    width: 100%;
    text-align: left;
    padding: 9px 10px;
    font-size: 13px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.7);
  }
  .z1f7bbnavToggle:checked + .z1f7bbnavToggleBtn + .z1f7bbnav {
    max-height: min(70vh, 480px);
    opacity: 1;
    margin-top: 4px;
    pointer-events: auto;
  }
  .z1f7bbnavToggle:checked + .z1f7bbnavToggleBtn span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .z1f7bbnavToggle:checked + .z1f7bbnavToggleBtn span:nth-child(2) {
    opacity: 0;
  }
  .z1f7bbnavToggle:checked + .z1f7bbnavToggleBtn span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
}

/* 触控设备统一提高可点击面积 */
@media (hover: none) and (pointer: coarse) {
  .z1f7bbnavLink,
  .z1f7bbbtn,
  .z1f7bbfaqSummary,
  .z1f7bbfooterLink {
    min-height: 42px;
  }
}

/* 窄屏且高度较低设备（小屏横屏/旧机型） */
@media (max-width: 768px) and (max-height: 520px) {
  .z1f7bbheader {
    position: static;
  }
  .z1f7bbhero {
    padding-top: 16px;
  }
  .z1f7bbsection {
    padding: 20px 0;
  }
}

/* 刘海屏安全区 */
@supports (padding: max(0px)) {
  .z1f7bbheader {
    padding-top: env(safe-area-inset-top);
  }
  .z1f7bbfooter {
    padding-bottom: max(26px, env(safe-area-inset-bottom));
  }
}