/* letsvpn.us：全宽、62.5% rem、#f0f2f5、大屏左右分栏交替（对齐构建包中 pc:flex-row / pc:w-1/2） */

.letsvpn-below-shell {
  background-color: #f0f2f5;
  width: 100%;
}

.lv-us-root {
  --lv-text: #222;
  --lv-muted: #999;
  --lv-body: #374151;
  --lv-line: #e5e7eb;
  --lv-card-bg: #fff;
  --lv-soft: #f8faff;
  --lv-purple-pill-bg: #f3e8ff;
  --lv-purple-pill-text: #6b21a8;
  font-size: 10px;
  line-height: 1.5;
  color: var(--lv-text);
  font-family: Helvetica, Charter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  box-sizing: border-box;
  width: 100%;
  margin: 0;
}

.lv-us-root *,
.lv-us-root *::before,
.lv-us-root *::after {
  box-sizing: border-box;
}

/* 内层与官网 max-w-[1200px] 同级 */
.lv-us-inner {
  width: 100%;
  max-width: 120rem;
  margin: 0 auto;
  padding: 0 1.6rem;
}

@media (min-width: 640px) {
  .lv-us-inner {
    padding: 0 2rem;
  }
}

@media (min-width: 1024px) {
  .lv-us-inner {
    padding: 0 3.2rem;
  }
}

.lv-us-inner--narrow {
  max-width: 64rem;
}

/* 区块竖向间距对齐 py-16 / md:py-20 */
.lv-us-sec {
  padding: 4.8rem 0 5.6rem;
  background-color: #fff;
}

.lv-us-sec--mute {
  background-color: #f0f2f5;
}

.lv-us-sec--soft {
  background-color: var(--lv-soft);
}

.lv-us-sec--cta {
  background: linear-gradient(180deg, #f8faff 0%, #eef2ff 100%);
  padding-bottom: 8rem;
}

.lv-us-sec--reviews {
  background-color: #fff;
}

/* 首屏延续：居中大字 + 大图 */
.lv-us-sec--hero .lv-us-inner {
  text-align: center;
}

.lv-us-kicker-wrap {
  margin: 0 0 1.6rem;
  text-align: center;
}

.lv-us-split .lv-us-kicker-wrap {
  text-align: center;
}

@media (min-width: 1024px) {
  .lv-us-split .lv-us-kicker-wrap {
    text-align: left;
  }
}

.lv-us-kicker-pill {
  display: inline-block;
  padding: 0.5rem 1.4rem;
  border-radius: 9999px;
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.2;
  background-color: var(--lv-purple-pill-bg);
  color: var(--lv-purple-pill-text);
}

.lv-us-h2 {
  margin: 0 0 2rem;
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  font-weight: 700;
  line-height: 1.25;
  background-image: linear-gradient(to right, #2533e8, #8936eb 50%, #dc30a6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-align: center;
}

.lv-us-sec--hero .lv-us-h2 {
  margin-bottom: 2.4rem;
}

.lv-us-h2--plain {
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  color: var(--lv-text);
}

@media (min-width: 1024px) {
  .lv-us-split .lv-us-h2 {
    text-align: left;
  }
}

.lv-us-prose {
  margin: 0;
  max-width: 56rem;
  font-size: 1.6rem;
  line-height: 1.625;
  color: var(--lv-body);
  text-align: left;
}

.lv-us-sec--hero .lv-us-prose {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

@media (min-width: 1024px) {
  .lv-us-sec--hero .lv-us-prose {
    text-align: center;
  }
}

.lv-us-prose a {
  color: #4853e3;
  text-decoration: underline;
}

.lv-us-prose a:hover {
  color: #2533e8;
}

.lv-us-illus {
  margin: 3.2rem auto 0;
  width: 100%;
  max-width: 96rem;
  border-radius: 1.2rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
  display: block;
  height: auto;
  line-height: 0;
  overflow: hidden;
}

.lv-us-illus:empty {
  aspect-ratio: 4 / 3;
  background: linear-gradient(145deg, #e0e7ff 0%, #fce7f3 55%, #ddd6fe 100%);
}

.lv-us-illus__img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: top;
}

/* 左右分栏：移动端图文竖排；≥1024px 横排，--reverse 时图在左 */
.lv-us-split {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 3.2rem;
}

@media (min-width: 1024px) {
  .lv-us-split {
    flex-direction: row;
    align-items: center;
    gap: 4.8rem 6.4rem;
  }

  .lv-us-split--reverse {
    flex-direction: row-reverse;
  }

  .lv-us-split__text,
  .lv-us-split__media {
    flex: 1 1 50%;
    max-width: 50%;
    min-width: 0;
  }
}

.lv-us-split__text {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

@media (min-width: 1024px) {
  .lv-us-split__text {
    align-items: flex-start;
  }
}

.lv-us-split__img {
  width: 100%;
  border-radius: 1.2rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  line-height: 0;
  background: #f3f4f6;
}

.lv-us-split__img img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: top;
}

/* 各卖点区块背景交替 */
.lv-us-sec--split-a {
  background-color: #fff;
}

.lv-us-sec--split-b {
  background-color: var(--lv-soft);
}

/* 用户评价：五头像 + 左右切换 + 中间放大 */
.lv-us-reviews-bar {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 0.8rem 1.2rem;
  margin: 2.4rem 0 2rem;
  max-width: 100%;
}

@media (min-width: 768px) {
  .lv-us-reviews-bar {
    gap: 1.6rem 2.4rem;
    margin-top: 3.2rem;
    margin-bottom: 2.4rem;
  }
}

.lv-us-rv-prev,
.lv-us-rv-next {
  flex-shrink: 0;
  width: 4rem;
  height: 4rem;
  border: none;
  border-radius: 50%;
  background: #f3f4f6;
  color: #6b7280;
  font-size: 2.4rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.lv-us-rv-prev:hover,
.lv-us-rv-next:hover {
  background: #ede9fe;
  color: #6b21a8;
}

.lv-us-rv-avatars {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  min-width: 0;
  padding: 0.6rem 0;
}

@media (min-width: 768px) {
  .lv-us-rv-avatars {
    gap: 1.6rem;
  }
}

@media (min-width: 1024px) {
  .lv-us-rv-avatars {
    gap: 2.4rem 3.2rem;
  }
}

.lv-us-rv-avatar {
  flex-shrink: 0;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  line-height: 0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  transform: scale(0.88);
}

.lv-us-rv-avatar img {
  width: 5.6rem;
  height: 5.6rem;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

@media (min-width: 768px) {
  .lv-us-rv-avatar img {
    width: 6.4rem;
    height: 6.4rem;
  }
}

.lv-us-rv-avatar--active,
.lv-us-rv-avatar.lv-us-rv-avatar--active {
  transform: scale(1.12);
  box-shadow: 0 0 0 3px #fff, 0 0 0 5px #8b5cf6;
  z-index: 1;
}

@media (min-width: 768px) {
  .lv-us-rv-avatar--active,
  .lv-us-rv-avatar.lv-us-rv-avatar--active {
    transform: scale(1.22);
  }
}

.lv-us-card--review {
  margin-top: 0.4rem;
}

.lv-us-card {
  margin: 0 auto;
  max-width: 72rem;
  padding: 2.4rem 2rem;
  background: var(--lv-card-bg);
  border-radius: 1rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  text-align: center;
}

@media (min-width: 768px) {
  .lv-us-card {
    padding: 3.2rem 4rem;
  }
}

.lv-us-quote {
  margin: 0 0 2rem;
  font-size: 1.6rem;
  line-height: 1.625;
  color: var(--lv-body);
  text-align: left;
}

@media (min-width: 768px) {
  .lv-us-quote {
    font-size: 1.8rem;
  }
}

.lv-us-author {
  margin: 0 0 0.6rem;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--lv-text);
}

@media (min-width: 768px) {
  .lv-us-author {
    font-size: 1.8rem;
  }
}

.lv-us-role {
  margin: 0;
  font-size: 1.4rem;
  color: var(--lv-muted);
}

@media (min-width: 768px) {
  .lv-us-role {
    font-size: 1.5rem;
  }
}

.lv-us-sec--cta .lv-us-inner {
  text-align: center;
}

.lv-us-sec--cta .lv-us-h2 {
  text-align: center;
}

.lv-us-btn-gradient {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2.4rem;
  padding: 1.2rem 3.2rem;
  min-width: 22rem;
  border-radius: 9999px;
  font-size: 1.8rem;
  font-weight: 600;
  color: #fff !important;
  text-decoration: none !important;
  background-image: linear-gradient(to right, #8a2be2, #4169e1);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lv-us-btn-gradient:hover {
  transform: scale(1.05);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.22);
  color: #fff !important;
}

/* 立即免费试用：四平台示意图 + 渐变下载按钮 */
.lv-us-sec--cta.lv-us-sec--cta-platforms {
  background: #fff;
  padding: 4.8rem 0 6.4rem;
}

.lv-us-inner--cta-wide {
  max-width: 120rem;
  margin: 0 auto;
  padding: 0 1.6rem;
}

.lv-us-cta-platforms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.2rem 2rem;
  margin-top: 3.2rem;
  align-items: start;
}

@media (min-width: 640px) {
  .lv-us-cta-platforms {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .lv-us-cta-platforms {
    grid-template-columns: repeat(4, 1fr);
    gap: 2.4rem 2rem;
    margin-top: 4rem;
  }
}

.lv-us-cta-platform {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* 预览图：与 letsvpn.us 首页 free-trial 区块同源（/assets/test-01..04.png） */
.lv-us-cta-preview {
  width: 100%;
  max-width: 28rem;
  margin: 0 auto;
}

.lv-us-cta-preview__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 0.8rem;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.06),
    0 14px 28px rgba(79, 70, 229, 0.12);
}

.lv-us-cta-dl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 2rem;
  padding: 1rem 2.4rem;
  min-width: 16rem;
  border-radius: 9999px;
  font-size: 1.8rem;
  font-weight: 600;
  color: #fff !important;
  text-decoration: none !important;
  box-shadow: 0 12px 24px rgba(79, 70, 229, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lv-us-cta-dl:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(79, 70, 229, 0.28);
  color: #fff !important;
}

.lv-us-cta-dl__icon {
  flex-shrink: 0;
}

/* public.css 里 a:link,a:visited { background:none } 会盖过单类名的渐变，需提高优先级 */
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--win:link,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--win:visited,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--win:hover,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--win:active {
  background-image: linear-gradient(to right, #2563eb, #7c3aed);
}

.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--ios:link,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--ios:visited,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--ios:hover,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--ios:active {
  background-image: linear-gradient(to right, #3b82f6, #db2777);
}

.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--android:link,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--android:visited,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--android:hover,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--android:active {
  background-image: linear-gradient(to right, #2563eb, #6366f1);
}

.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--mac:link,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--mac:visited,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--mac:hover,
.lv-us-root a.lv-us-cta-dl.lv-us-cta-dl--mac:active {
  background-image: linear-gradient(to right, #4f46e5, #ec4899);
}

/* 首页：快连官网栏目文章卡片（与 archive 列表同源摘要逻辑） */
.lv-us-sec--articles {
  padding: 4.8rem 0 5.6rem;
}

.lv-us-articles-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.6rem;
  margin-bottom: 3.2rem;
}

.lv-us-root a.lv-us-articles-more:link,
.lv-us-root a.lv-us-articles-more:visited {
  font-size: 1.4rem;
  font-weight: 600;
  color: #4f46e5;
  text-decoration: none;
  white-space: nowrap;
}

.lv-us-root a.lv-us-articles-more:hover,
.lv-us-root a.lv-us-articles-more:active {
  color: #6366f1;
  text-decoration: underline;
}

.lv-us-articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.4rem;
}

@media (min-width: 768px) {
  .lv-us-articles-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.lv-us-article-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #fff;
  border-radius: 1.6rem;
  overflow: hidden;
  box-shadow:
    0 4px 20px rgba(99, 102, 241, 0.1),
    0 10px 36px rgba(236, 72, 153, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.lv-us-article-card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 12px 28px rgba(99, 102, 241, 0.16),
    0 18px 44px rgba(236, 72, 153, 0.12);
}

.lv-us-article-card__media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f3f4f6;
}

.lv-us-article-card__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lv-us-article-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 2rem 2rem 2.4rem;
}

.lv-us-article-card__title {
  margin: 0 0 1.2rem;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.35;
  color: #111827;
}

.lv-us-root .lv-us-article-card__title a:link,
.lv-us-root .lv-us-article-card__title a:visited {
  color: #111827;
  text-decoration: none;
}

.lv-us-root .lv-us-article-card__title a:hover,
.lv-us-root .lv-us-article-card__title a:active {
  color: #4f46e5;
}

.lv-us-article-card__excerpt {
  margin: 0;
  font-size: 1.4rem;
  line-height: 1.65;
  color: #6b7280;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 页脚：五栏 + 顶部分割线 */
.lv-us-footer {
  background-color: #fff;
  width: 100%;
  padding: 0 1.6rem 4rem;
  font-size: 1.2rem;
  color: #747e8b;
}

.lv-us-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.8rem 2.4rem;
  padding: 3.2rem 0 0;
  border-top: 1px solid var(--lv-line);
  text-align: left;
}

@media screen and (min-width: 640px) {
  .lv-us-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .lv-us-footer__brand {
    grid-column: 1 / -1;
  }
}

@media screen and (min-width: 1024px) {
  .lv-us-footer__grid {
    grid-template-columns: 1.35fr 1fr 1fr 1fr 1fr;
    gap: 2rem 2.4rem;
    padding: 4rem 0 0;
    align-items: start;
  }

  .lv-us-footer__brand {
    grid-column: auto;
  }
}

.lv-us-footer__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--lv-text);
  margin-bottom: 1.2rem;
}

.lv-us-footer__logo-link:hover {
  color: var(--lv-text);
}

.lv-us-footer__logo-img {
  display: block;
  width: 4.8rem;
  height: auto;
  border-radius: 0.8rem;
}

.lv-us-footer__brand-name {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--lv-text);
  letter-spacing: 0.02em;
}

.lv-us-footer__contact-lead {
  margin: 0 0 1rem;
  font-size: 1.2rem;
  color: #9ca3af;
}

.lv-us-footer__social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 1.6rem;
}

.lv-us-footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 50%;
  background: #f3f4f6;
  line-height: 0;
  transition: background 0.2s ease;
}

.lv-us-footer__social a:hover {
  background: #e5e7eb;
}

.lv-us-footer__social svg {
  width: 2rem;
  height: 2rem;
  display: block;
}

.lv-us-footer__copyright {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.5;
  color: #9ca3af;
}

.lv-us-footer__col h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--lv-text);
  margin: 0 0 1.2rem;
}

.lv-us-footer__link {
  display: block;
  color: #747e8b;
  line-height: 2.1;
  text-decoration: none;
  font-size: 1.2rem;
}

.lv-us-footer__link:hover {
  color: #222;
  text-decoration: underline;
}

.lv-us-footer__col--lang .lv-us-footer__lng {
  margin-left: 0;
}

.lv-us-footer .ls-select-lng,
.lv-us-footer__lng {
  display: flex;
  align-items: center;
  color: #747e8b;
}

.lv-us-footer .ls-select-lng label,
.lv-us-footer__lng label {
  margin: 0 0.4rem 0 0;
  cursor: pointer;
  line-height: 0;
}

.lv-us-footer .ls-select-lng label .icon-global,
.lv-us-footer__lng label .icon-global {
  display: block;
}

.lv-us-footer .ls-select-lng select,
.lv-us-footer__lng select {
  border: none;
  background: transparent;
  color: #747e8b;
  font-size: 1.2rem;
  font-family: inherit;
  cursor: pointer;
  padding: 0.4rem 1.8rem 0.4rem 0.2rem;
  appearance: none;
  -webkit-appearance: none;
}

.lv-us-footer .ls-select-lng .caret,
.lv-us-footer__lng .caret {
  margin-left: -1.4rem;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid #747e8b;
  pointer-events: none;
}

.lv-us-footer--wide {
  max-width: 120rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 5%;
  padding-right: 5%;
}