/* Signal 下载首页 · 百变模板前缀 z630da · 响应式与多浏览器兼容 */

/* ---------- 基础 ---------- */
html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

.z630dabody {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  color: #14202b;
  background: #f4f7f8;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: rgba(58, 118, 234, 0.2);
}

.z630dabody *,
.z630dabody *::before,
.z630dabody *::after {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.z630dabody img {
  max-width: 100%;
  height: auto;
  border: 0;
  vertical-align: middle;
}

.z630dacontainer {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

/* ---------- 顶栏导航 ---------- */
.z630daheader {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 40;
  background: #0a1f29;
  background: rgba(10, 31, 41, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: env(safe-area-inset-top);
}

.z630daheader_inner {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  min-height: 72px;
}

.z630dalogo {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
  -ms-flex-negative: 0;
  flex-shrink: 0;
}

.z630dalogo_mark {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-right: 10px;
  border-radius: 10px;
  background: #3a76ea;
  background: -webkit-linear-gradient(290deg, #3a76ea, #2c6bed);
  background: linear-gradient(160deg, #3a76ea, #2c6bed);
  font-size: 18px;
}

.z630dalogo_text {
  font-size: 18px;
}

.z630danav_toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.z630danav_btn {
  display: none;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
  border-radius: 8px;
  -ms-flex-negative: 0;
  flex-shrink: 0;
}

.z630danav_btn_line {
  display: block;
  width: 100%;
  height: 2px;
  margin: 2.5px 0;
  background: #fff;
  border-radius: 2px;
}

.z630danav_list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.z630danav_item {
  margin: 0 2px;
}

.z630danav_link {
  display: block;
  padding: 10px 12px;
  color: #d7e4ee;
  text-decoration: none;
  font-size: 14px;
  border-radius: 8px;
  white-space: nowrap;
}

.z630danav_link:hover,
.z630danav_link:focus,
.z630danav_link_active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  outline: 0;
}

.z630damain {
  overflow: hidden;
}

/* ---------- 主横幅 ---------- */
.z630dahero {
  position: relative;
  min-height: 520px;
  padding: 72px 0 88px;
  color: #fff;
  background: #0a1f29;
}

.z630dahero_bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: #0a1f29;
  background: -webkit-linear-gradient(top, #0a1f29 0%, #123246 100%);
  background: linear-gradient(180deg, #0a1f29 0%, #123246 100%);
}

.z630dahero_bg::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 55%;
  height: 55%;
  background: rgba(58, 118, 234, 0.28);
  -webkit-filter: blur(60px);
  filter: blur(60px);
  border-radius: 50%;
  pointer-events: none;
}

.z630dahero_inner {
  position: relative;
  z-index: 1;
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}

.z630dahero_copy,
.z630dahero_panel {
  width: 100%;
  padding: 0;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.z630dahero_copy {
  width: 55%;
  max-width: 600px;
  -ms-flex-preferred-size: 55%;
  flex-basis: 55%;
  -webkit-box-flex: 1;
  -ms-flex: 1 1 55%;
  flex: 1 1 55%;
}

.z630dahero_panel {
  width: 42%;
  max-width: 480px;
  margin-left: 3%;
  -ms-flex-preferred-size: 42%;
  flex-basis: 42%;
  -webkit-box-flex: 0;
  -ms-flex: 0 0 42%;
  flex: 0 0 42%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: end;
  -ms-flex-pack: end;
  justify-content: flex-end;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

@supports (display: grid) {
  .z630dahero_inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
  }

  .z630dahero_copy,
  .z630dahero_panel {
    width: auto;
    max-width: none;
    margin-left: 0;
    -webkit-box-flex: initial;
    -ms-flex: initial;
    flex: initial;
  }

  .z630dahero_panel {
    -webkit-box-pack: end;
    -ms-flex-pack: end;
    justify-content: flex-end;
  }
}

.z630daeyebrow {
  margin: 0 0 10px;
  color: #7eb0ff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.z630dahero_title {
  margin: 0 0 16px;
  font-size: 42px;
  line-height: 1.15;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.z630dahero_lead {
  margin: 0 0 28px;
  max-width: none;
  color: #d5e4ef;
  font-size: 16px;
}

.z630dahero_actions {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 -6px -12px;
}

.z630dabtn {
  display: inline-block;
  min-height: 46px;
  min-width: 44px;
  margin: 0 6px 12px;
  padding: 12px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  text-align: center;
  line-height: 22px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.z630dabtn_primary {
  color: #0a1f29;
  background: #fff;
}

.z630dabtn_ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: transparent;
}

.z630dahero_meta {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  color: #b9cddd;
  font-size: 13px;
}

.z630dahero_meta_item {
  position: relative;
  margin: 0 18px 8px 0;
  padding-left: 12px;
}

.z630dahero_meta_item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3a76ea;
}

.z630dahero_visual {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin: 0;
  padding: 12px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  -webkit-box-shadow: 0 28px 60px rgba(0, 0, 0, 0.32);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.32);
}

.z630dahero_img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  -o-object-fit: cover;
  object-fit: cover;
}

.z630dahero_caption {
  margin: 12px 4px 2px;
  color: #c5d6e3;
  font-size: 13px;
  text-align: center;
  letter-spacing: 0.02em;
}

/* ---------- 通用板块 ---------- */
.z630dasection {
  padding: 72px 0;
}

.z630dasection_alt {
  background: #eef3f6;
}

.z630dasection_head {
  max-width: 680px;
  margin: 0 0 36px;
}

.z630dasection_title {
  margin: 0 0 12px;
  font-size: 30px;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.z630dasection_desc {
  margin: 0;
  color: #4b5d6b;
}

.z630dagrid::after {
  content: "";
  display: table;
  clear: both;
}

.z630dagrid .z630dacard,
.z630dagrid .z630dafeature {
  float: left;
  width: 31.333%;
  margin: 0 1% 18px;
  padding: 24px;
  background: #fff;
  border: 1px solid #dce6ec;
  border-radius: 18px;
}

.z630dagrid_4 .z630dafeature {
  width: 23%;
}

.z630dacard_icon {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: 12px;
  color: #fff;
  background: #3a76ea;
  font-weight: 700;
}

.z630dacard_title,
.z630dafeature_title,
.z630dastep_title,
.z630dafaq_q,
.z630danote_title {
  margin: 0 0 10px;
  font-size: 18px;
}

.z630dacard_text,
.z630dafeature_text,
.z630dastep_text,
.z630dafaq_a,
.z630danote_text {
  margin: 0;
  color: #516270;
}

.z630dalist {
  margin: 16px 0 0;
  padding: 0 0 0 18px;
  color: #516270;
}

.z630dalist_item + .z630dalist_item {
  margin-top: 6px;
}

.z630dasteps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.z630dastep {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  margin-bottom: 14px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid #dce6ec;
  border-radius: 18px;
}

.z630dastep_num {
  display: block;
  width: 72px;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  font-size: 28px;
  font-weight: 800;
  color: #3a76ea;
  line-height: 1;
}

.z630dastep_body {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  min-width: 0;
}

.z630dasplit {
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}

.z630dasplit_main,
.z630dasplit > .z630danote {
  width: 100%;
  padding: 0;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.z630dasplit_main {
  width: 62%;
  -ms-flex-preferred-size: 62%;
  flex-basis: 62%;
  -webkit-box-flex: 1;
  -ms-flex: 1 1 62%;
  flex: 1 1 62%;
}

.z630dasplit > .z630danote {
  width: 34%;
  margin-left: 4%;
  -ms-flex-preferred-size: 34%;
  flex-basis: 34%;
  -webkit-box-flex: 0;
  -ms-flex: 0 0 34%;
  flex: 0 0 34%;
}

@supports (display: grid) {
  .z630dasplit {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 28px;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: start;
  }

  .z630dasplit_main,
  .z630dasplit > .z630danote {
    width: auto;
    margin-left: 0;
    -webkit-box-flex: initial;
    -ms-flex: initial;
    flex: initial;
  }
}

.z630dacheck {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.z630dacheck_item {
  position: relative;
  padding: 10px 0 10px 28px;
  border-bottom: 1px solid #dce6ec;
}

.z630dacheck_item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #3a76ea;
}

.z630danote {
  padding: 24px;
  background: #0a1f29;
  color: #fff;
  border: 0;
  border-radius: 18px;
}

.z630danote_text {
  color: #c9d8e3;
}

.z630dafaq::after {
  content: "";
  display: table;
  clear: both;
}

.z630dafaq .z630dafaq_item {
  float: left;
  width: 48%;
  margin: 0 1% 16px;
  padding: 24px;
  background: #fff;
  border: 1px solid #dce6ec;
  border-radius: 18px;
}

.z630dafooter {
  padding: 28px 0 36px;
  padding-bottom: max(36px, env(safe-area-inset-bottom));
  background: #0a1f29;
  color: #c5d4de;
}

.z630dafooter_inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}

.z630dafooter_brand {
  margin: 0 16px 8px 0;
  color: #fff;
  font-weight: 700;
}

.z630dafooter_copy {
  margin: 0 16px 8px 0;
  max-width: 560px;
  font-size: 13px;
}

.z630dafooter_top {
  display: inline-block;
  min-height: 44px;
  line-height: 44px;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
}

.z630daad {
  padding: 20px 16px 0;
  text-align: center;
  overflow: hidden;
}

.z630daflink_list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.z630daflink_item {
  margin: 0 12px 12px 0;
}

.z630daflink_link {
  display: inline-block;
  min-height: 40px;
  padding: 8px 14px;
  color: #14202b;
  text-decoration: none;
  background: #fff;
  border: 1px solid #dce6ec;
  border-radius: 10px;
  font-size: 14px;
  line-height: 24px;
}

.z630daflink_link:hover,
.z630daflink_link:focus {
  color: #2c6bed;
  border-color: #2c6bed;
  outline: 0;
}

.z630dapowerby {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #9db0bd;
  font-size: 12px;
  line-height: 1.7;
}

.z630dapowerby p {
  margin: 0 0 8px;
}

.z630dapowerby a {
  color: #fff;
  text-decoration: none;
}

.z630dapowerby a:hover,
.z630dapowerby a:focus {
  text-decoration: underline;
}

@supports (font-size: clamp(1px, 2vw, 2px)) {
  .z630dahero_title {
    font-size: clamp(28px, 5vw, 52px);
  }

  .z630dasection_title {
    font-size: clamp(24px, 3vw, 34px);
  }

  .z630dahero_lead {
    font-size: clamp(15px, 2.2vw, 17px);
  }
}

@supports (display: grid) {
  .z630dagrid {
    display: grid;
    gap: 18px;
  }

  .z630dagrid::after {
    display: none;
  }

  .z630dagrid .z630dacard,
  .z630dagrid .z630dafeature {
    float: none;
    width: auto;
    margin: 0;
  }

  .z630dagrid_3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .z630dagrid_4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .z630dafaq {
    display: grid;
    gap: 16px;
    grid-template-columns: 1fr 1fr;
  }

  .z630dafaq::after {
    display: none;
  }

  .z630dafaq .z630dafaq_item {
    float: none;
    width: auto;
    margin: 0;
  }
}

/* ---------- 平板 ≤980px ---------- */
@media screen and (max-width: 980px) {
  .z630danav_btn {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }

  .z630danav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    z-index: 50;
    margin-top: 8px;
    padding: 12px;
    border-radius: 14px;
    background: #102734;
    -webkit-box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  }

  .z630danav_toggle:checked ~ .z630danav {
    display: block;
  }

  .z630danav_list {
    display: block;
  }

  .z630danav_item {
    margin: 0;
  }

  .z630danav_link {
    padding: 14px 12px;
    font-size: 15px;
  }

  .z630dahero_copy,
  .z630dahero_panel,
  .z630dasplit_main,
  .z630dasplit > .z630danote {
    width: 100%;
    max-width: none;
    margin-left: 0;
    -webkit-box-flex: 1;
    -ms-flex: 1 1 100%;
    flex: 1 1 100%;
  }

  .z630dahero_inner,
  .z630dasplit {
    display: block;
  }

  .z630dahero_panel {
    margin-top: 28px;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
  }

  .z630dahero_visual {
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .z630dagrid .z630dacard,
  .z630dagrid_4 .z630dafeature {
    width: 48%;
    margin: 0 1% 16px;
  }

  .z630dasplit > .z630danote {
    margin-top: 20px;
  }

  @supports (display: grid) {
    .z630dahero_inner,
    .z630dasplit {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }

    .z630dahero_panel {
      margin-top: 0;
    }

    .z630dasplit > .z630danote {
      margin-top: 0;
    }

    .z630dagrid_3,
    .z630dagrid_4 {
      grid-template-columns: repeat(2, 1fr);
    }

    .z630dagrid .z630dacard,
    .z630dagrid_4 .z630dafeature,
    .z630dafaq .z630dafaq_item {
      width: auto;
      margin: 0;
    }
  }

  .z630dafaq .z630dafaq_item {
    width: 48%;
  }
}

/* ---------- 手机 ≤760px ---------- */
@media screen and (max-width: 760px) {
  .z630dacontainer {
    padding-left: 14px;
    padding-right: 14px;
    padding-left: max(14px, env(safe-area-inset-left));
    padding-right: max(14px, env(safe-area-inset-right));
  }

  .z630daheader_inner {
    min-height: 64px;
  }

  .z630dalogo_text {
    font-size: 16px;
  }

  .z630dahero,
  .z630dasection {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .z630dahero {
    min-height: 0;
  }

  .z630dahero_inner {
    margin-left: 0;
    margin-right: 0;
  }

  .z630dahero_copy,
  .z630dahero_panel {
    padding-left: 0;
    padding-right: 0;
  }

  .z630dahero_actions {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    margin: 0;
  }

  .z630dabtn {
    display: block;
    width: 100%;
    margin: 0 0 10px;
  }

  .z630dahero_visual {
    padding: 8px;
    border-radius: 20px;
  }

  .z630dahero_img {
    border-radius: 14px;
  }

  .z630dasection_head {
    margin-bottom: 24px;
  }

  .z630dagrid .z630dacard,
  .z630dagrid_4 .z630dafeature {
    float: none;
    width: 100%;
    margin: 0 0 14px;
  }

  .z630dastep {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    padding: 16px;
  }

  .z630dastep_num {
    width: auto;
    margin-bottom: 8px;
    font-size: 22px;
  }

  .z630dasplit {
    margin-left: 0;
    margin-right: 0;
  }

  .z630dasplit_main,
  .z630dasplit > .z630danote {
    padding-left: 0;
    padding-right: 0;
  }

  .z630dafaq .z630dafaq_item {
    float: none;
    width: 100%;
    margin: 0 0 12px;
    padding: 18px;
  }

  .z630dafooter_inner {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
  }

  .z630dafooter_copy {
    margin-right: 0;
  }

  @supports (display: grid) {
    .z630dagrid_3,
    .z630dagrid_4,
    .z630dafaq {
      grid-template-columns: 1fr;
    }

    .z630dagrid .z630dacard,
    .z630dagrid_4 .z630dafeature,
    .z630dafaq .z630dafaq_item {
      width: auto;
      margin: 0;
    }
  }
}

/* ---------- 小屏 ≤480px ---------- */
@media screen and (max-width: 480px) {
  .z630dahero_title {
    font-size: 26px;
  }

  .z630dasection_title {
    font-size: 22px;
  }

  .z630dagrid .z630dacard,
  .z630dagrid .z630dafeature,
  .z630danote,
  .z630dafaq_item {
    border-radius: 14px;
    padding: 18px;
  }

  .z630daeyebrow {
    letter-spacing: 0.08em;
    font-size: 12px;
  }
}

/* ---------- 大屏 ---------- */
@media screen and (min-width: 1200px) {
  .z630dahero {
    min-height: 580px;
    padding: 80px 0 96px;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .z630daheader {
    position: static;
  }

  .z630dahero {
    color: #000;
    background: #fff;
    min-height: 0;
  }

  .z630dahero_bg,
  .z630danav_btn,
  .z630dabtn {
    display: none !important;
  }
}