/* =====================================================================
   SUPPORT PAGE — Mobile-first (xs < 576px)
   ===================================================================== */

:root {
  --s-bg: #ffffff;
  --s-blue: #26a7fe;
  --s-green: #02cb64;
  --s-orange: #ff8026;
  --s-t-1: #000000e5;
  --s-t-2: #000000b2;
  --s-t-3: #00000080;
  --s-t-4: #00000099;
  --s-title: #132a3f;
  --s-card-bg: #26a7fe14;
  --s-card-border: #26a7fe29;
  --s-card-gradient: linear-gradient(250.04deg, #26a7fe29 -0.07%, #02cb6429 100.06%);
  --s-faq-border: #d6d6d6;
  --s-guide-card-bg: #ffffffb2;
}

.support-page {
  background: #ffffff;
  font-family: Figtree, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
}

/* =====================================================================
   HERO SECTION
   ===================================================================== */
.s-hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0 20px;
  overflow: hidden;
}

.s-hero-bg {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  align-self: stretch;
  border-radius: 20px;
  background-color: #ffffff;
  overflow: hidden;
  background-image: url(../images/common/review-bg.svg);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.s-bg-ellipse {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.s-bg-ellipse-1 {
  bottom: -709px;
  left: -407px;
  opacity: 0.2;
  background: var(--s-blue);
  width: 998px;
  height: 998px;
  filter: blur(150px);
}

.s-bg-ellipse-2 {
  top: -652px;
  right: -243px;
  opacity: 0.3;
  background: var(--s-green);
  width: 910px;
  height: 910px;
  filter: blur(250px);
}

.s-bg-ellipse-3 {
  bottom: -246px;
  left: 30px;
  opacity: 0.3;
  background: #ffffff;
  width: 748px;
  height: 748px;
  filter: blur(250px);
}

.s-hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 0;
  gap: 36px;
  padding: 80px 20px;
}

.s-hero-title {
  flex-shrink: 0;
  align-self: stretch;
  text-align: center;
  font-size: 60px;
  font-weight: 800;
  line-height: 78px;
  letter-spacing: 0;
  color: var(--s-title);
  margin: 0;
}

.s-hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  justify-content: center;
  gap: 12px;
}

.s-hero-desc {
  flex-shrink: 0;
  align-self: stretch;
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  line-height: 26px;
  letter-spacing: 0;
  color: var(--s-t-3);
  margin: 0;
}

.s-hero-email {
  display: inline-flex;
  align-items: center;
  align-self: stretch;
  justify-content: center;
  column-gap: 8px;
  margin: 0;
}

/* 邮箱（文字 + 复制图标）三态：Default / hover / pressed
   文字变色，图标用背景图随状态切换 */
.s-email-text {
  flex-shrink: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 26px;
  letter-spacing: 0;
  color: var(--s-t-2);
  transition: color .2s ease;
}

.s-email-copy {
  flex-shrink: 0;
  display: inline-block;
  width: 18px;
  height: 18px;
  cursor: pointer;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  background-image: url("../images/support/email-copy.svg");
  transition: background-image .2s ease;
}

.s-hero-email:hover .s-email-text { color: #26a7fe; }
.s-hero-email:hover .s-email-copy { background-image: url("../images/support/email-copy-hover.svg"); }

.s-hero-email:active .s-email-text { color: #1e86ca; }
.s-hero-email:active .s-email-copy { background-image: url("../images/support/email-copy-pressed.svg"); }

/* 复制成功反馈：图标临时切换为绿色对勾（置于三态规则之后以覆盖 hover/active） */
.s-hero-email .s-email-copy.is-copied {
  background-image: url("../images/common/seo-check-green.svg");
}

/* =====================================================================
   SUPPORT CARDS SECTION
   ===================================================================== */
.s-cards {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  justify-content: center;
  padding: 100px 20px;
  gap: 40px;
}

.s-cards-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  align-self: stretch;
  gap: 20px;
}

.s-cards-group-title {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  width: 100%;
  font-size: 36px;
  font-weight: 700;
  height:100px;
  letter-spacing: 0;
  color: var(--s-t-1);
  margin: 0;
}

.s-cards-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  align-self: stretch;
  justify-content: center;
  gap: 20px;
}

.s-card {
  position: relative;
  display: flex;
  flex-shrink: 0;
  align-items: center;
  align-self: stretch;
  justify-content: center;
  column-gap: 20px;
  border: 1px solid var(--s-card-border);
  border-radius: 20px;
  background: var(--s-card-bg);
  padding: 19px;
  height: 160px;
}

/* Whole-card stretched link (keeps the full card clickable) */
.s-card-overlay {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  z-index: 1;
}

.s-card:hover {
  background: linear-gradient(250.04deg, #26a7fe29 -0.07%, #02cb6429 100.06%);
  box-shadow: 0px 0px 30px 0px rgba(38, 167, 254, 0.16);
}

.s-card-icon {
  position: relative;
  z-index: 2;
  pointer-events: none;
  display: flex;
  flex-shrink: 0;
  align-items: center;
  padding: 15px;
  overflow: hidden;
}

.s-card-icon img {
  width: 70px;
  height: 70px;
}

.s-card-text {
  position: relative;
  z-index: 2;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  width: calc(100% - 120px);
  min-width: 0;
  align-items: center;
  gap: 8px;
}

.s-card-title {
  flex-shrink: 0;
  align-self: stretch;
  font-size: 20px;
  font-weight: 700;
  line-height: 29px;
  letter-spacing: 0;
  color: var(--s-t-1);
  margin: 0;
}

.s-card-desc {
  display: -webkit-box;
  flex-shrink: 0;
  align-self: stretch;
  width: 100%;
  overflow: hidden;
  font-size: 18px;
  line-height: 29px;
  letter-spacing: 0;
  color: var(--s-t-2);
  margin: 0;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* =====================================================================
   PRODUCT USER GUIDE
   ===================================================================== */
.s-guide {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  justify-content: center;
  padding: 100px 20px;
  gap: 40px;
  background-color: #ffffff;
  background-image: url(../images/support/support-guide-bg.png);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.s-guide-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  gap: 12px;
}

.s-guide-title {
  flex-shrink: 0;
  align-self: stretch;
  text-align: center;
  font-size: 48px;
  font-weight: 700;
  line-height: 67px;
  letter-spacing: 0;
  color: var(--s-t-1);
  margin: 0;
}

.s-guide-desc {
  flex-shrink: 0;
  align-self: stretch;
  text-align: center;
  font-size: 26px;
  line-height: 36px;
  letter-spacing: 0;
  color: var(--s-t-2);
  margin: 0;
}

.s-guide-grid {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  align-self: stretch;
  gap: 20px;
}

.s-guide-item {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  align-items: center;
  align-self: stretch;
  justify-content: center;
  border-radius: 20px;
  background: var(--s-guide-card-bg);
  padding: 40px 20px;
  height: 240px;
  gap: 24px;
}
.s-guide-item:hover{
  box-shadow: 0px 0px 30px 0px #26a7fe29;
  background: #fff;
}
.s-guide-icon {
  flex-shrink: 0;
  border-radius: 50%;
  width: 72px;
  height: 72px;
}

.s-guide-item-text {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  align-items: flex-start;
  align-self: stretch;
  gap: 12px;
}

.s-guide-item-name {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  align-self: stretch;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  line-height: 24px;
  letter-spacing: 0;
  color: var(--s-t-1);
  margin: 0;
  text-align: center;
}

.s-guide-item-platform {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  align-self: stretch;
  justify-content: center;
  column-gap: 12px;
  font-size: 16px;
  font-weight: 500;
  line-height: 19px;
  color: var(--s-blue);
}

.s-guide-platform-link {
  flex-shrink: 0;
  color: var(--s-blue);
  text-decoration: none;
  transition: color .2s ease;
}

.s-guide-platform-link:hover {
  color: #51b9fd;
}

.s-guide-platform-link:active {
  color: #1e86ca;
}

.s-guide-divider {
  flex-shrink: 0;
  background: #eaeaea;
  width: 1px;
  height: 16px;
}

/* =====================================================================
   FAQ SECTION
   ===================================================================== */
.s-faq {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  padding: 100px 20px;
  gap: 40px;
}

.s-faq-title {
  flex-shrink: 0;
  align-self: stretch;
  text-align: center;
  font-size: 48px;
  font-weight: 700;
  line-height: 67px;
  letter-spacing: 0;
  color: var(--s-t-1);
  margin: 0;
}

.s-faq-columns {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  align-self: stretch;
  gap: 20px;
}

.s-faq-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  align-self: stretch;
  border: 1px solid var(--s-faq-border);
  border-radius: 40px;
  padding: 39px;
  gap: 40px;
}

.s-faq-col-title {
  flex-shrink: 0;
  font-size: 24px;
  font-weight: 600;
  line-height: 29px;
  letter-spacing: 0;
  color: var(--s-t-1);
  margin: 0;
}

.s-faq-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  align-self: stretch;
  gap: 12px;
  margin: 0;
  padding: 0 0 0 20px;
  list-style: disc;
}

.s-faq-list li {
  flex-shrink: 0;
  align-self: stretch;
  font-size: 18px;
  line-height: 32px;
  letter-spacing: 0;
  color: var(--s-t-4);
  cursor: pointer;
}

.s-faq-list li:hover {
  color: var(--s-blue);
}

/* s-faq-more 三态（Default / Variant2 hover / Variant3 pressed）
   图标用背景图实现随状态切换，文字渐变同步变色 */
.s-faq-more {
  display: inline-flex;
  align-items: center;
  column-gap: 8px;
  font-family: Figtree, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
  font-size: 18px;
  font-weight: 600;
  line-height: 25px;
  letter-spacing: 0;
  background: linear-gradient(180deg, var(--s-blue) 0%, var(--s-green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-decoration: none;
  transition: background-image .2s ease, opacity .2s ease;
}

.s-faq-more::after {
  content: "";
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  background-image: url("../images/support/faq-more-arrow.svg");
}

.s-faq-more:hover {
  background-image: linear-gradient(180deg, #51b9fd 0%, #35d584 100%);
}
.s-faq-more:hover::before {
  background-image: url("../images/support/faq-more-arrow-hover.svg");
}

.s-faq-more:active {
  background-image: linear-gradient(180deg, #1e86ca 0%, #02a251 100%);
}
.s-faq-more:active::before {
  background-image: url("../images/support/faq-more-arrow-pressed.svg");
}

/* =====================================================================
   ≥ 576px — SM
   ===================================================================== */
@media (min-width: 576px) {
  .s-guide-grid {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .s-guide-item {
    flex: 0 0 calc(50% - 10px);
  }
}

/* =====================================================================
   ≥ 768px — MD
   ===================================================================== */
@media (min-width: 768px) {
  .s-hero-title {
    font-size: 56px;
    line-height: 72px;
  }

  .s-hero-desc {
    font-size: 18px;
    line-height: 28px;
  }

  .s-cards {
    padding: 100px 40px;
  }

  .s-cards-group-title {
    font-size: 40px;
  }

  .s-guide {
    padding: 100px 40px;
  }

  .s-guide-grid {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .s-guide-item {
    flex: 0 0 calc(50% - 10px);
  }

  .s-faq {
    padding: 100px 40px;
  }

  .s-faq-columns {
    flex-direction: column;
  }

  .s-faq-col {
    flex: 0 0 calc(33.333% - 14px);
  }

  .s-faq-title {
    font-size: 40px;
    line-height: 52px;
  }
}
@media (min-width: 890px) {
  .s-faq-columns {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  .s-faq-col {
    flex: 0 0 calc(50% - 14px);
  }
}



/* =====================================================================
   ≥ 992px — LG
   ===================================================================== */
@media (min-width: 992px) {
  .s-hero-title {
    font-size: 60px;
    line-height: 78px;
  }

  .s-cards {
    padding: 100px 40px;
  }

  .s-guide {
    padding: 100px 40px;
  }

  .s-guide-item {
    flex: 0 0 calc(50% - 15px);
  }

  .s-faq {
    padding: 100px 40px;
  }

  .s-faq-title {
    font-size: 48px;
    line-height: 67px;
  }
}

/* =====================================================================
   ≥ 1200px — XL
   ===================================================================== */
@media (min-width: 1200px) {
  
   .s-faq-columns {
    flex-direction: row;
  }
  .s-faq-col {
    flex: 0 0 calc(33.333% - 14px);
  }
  .s-cards {
    flex-direction: row;
    align-items: flex-start;
    padding: 100px 80px;
    gap: 40px;
  }

  .s-cards-group {
    flex: 1;
  }

  .s-guide {
    padding: 100px 80px;
  }

  .s-guide-item {
    flex: 0 0 calc(50% - 20px);
  }
  .s-guide-grid{
    gap: 40px;
  }

  .s-faq {
    padding: 100px 80px;
  }
}

/* =====================================================================
   ≥ 1440px — XXL
   ===================================================================== */
@media (min-width: 1440px) {
  .s-hero-inner{
    padding: 80px 80px;
  }
  .s-guide-item {
    flex: 0 0 calc(25% - 30px);
  }
  .s-hero-title {
    font-size: 64px;
    line-height: 80px;
  }

  .s-cards {
    padding: 100px 120px;
    gap: 30px;
  }

  .s-guide {
    padding: 100px 120px;
  }

  .s-faq {
    padding: 100px 120px;
  }
}

/* =====================================================================
   ≥ 1920px — XXXL
   ===================================================================== */
@media (min-width: 1600px) {
  .s-hero-inner{
    padding: 80px 220px;
  }
  .s-cards {
    padding: 200px 240px;
  }

  .s-guide {
    padding: 200px 240px;
  }

  .s-faq {
    padding: 200px 240px;
  }
}

@media (min-width: 1920px) {
  .s-hero-inner{
    padding: 80px 300px;
  }
  .s-cards {
    padding: 200px 320px;
  }

  .s-guide {
    padding: 200px 320px;
  }

  .s-faq {
    padding: 200px 320px;
  }
}

/* Mobile (<420px): hero title font-size 48px */
@media (max-width: 420px) {
  .s-hero-title {
    font-size: 48px;
  }
}