html, body {
  min-height: 100%;
  min-width: 0;
  background: #07111f;
}
body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 16% 8%, rgba(0, 214, 255, .22), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(88, 110, 255, .18), transparent 30%),
    linear-gradient(rgba(69, 228, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(69, 228, 255, .06) 1px, transparent 1px),
    #07111f;
  background-attachment: fixed, fixed, scroll, scroll, scroll;
  background-position: center top, center top, 0 0, 0 0, 0 0;
  background-repeat: no-repeat, no-repeat, repeat, repeat, repeat;
  background-size: 1400px 900px, 1400px 900px, 44px 44px, 44px 44px, auto;
  color: #dce8f7;
  font-family: "Microsoft YaHei", Arial, sans-serif;
}
body:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(110deg, transparent 0 42%, rgba(69, 228, 255, .08) 42% 42.2%, transparent 42.2% 100%),
    linear-gradient(70deg, transparent 0 58%, rgba(40, 243, 196, .07) 58% 58.2%, transparent 58.2% 100%);
}
.container {
  position: relative;
  z-index: 1;
  width: 1100px;
  max-width: calc(100% - 32px);
  margin: 0 auto;
  padding: 48px 0 56px;
}
.site-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  min-height: 260px;
  box-sizing: border-box;
  padding: 40px 44px;
  overflow: hidden;
  border: 1px solid rgba(91, 219, 255, .28);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(14, 44, 77, .92), rgba(8, 24, 45, .96)),
    #0c1b30;
  box-shadow: 0 26px 70px rgba(0, 0, 0, .34), inset 0 1px 0 rgba(255, 255, 255, .08);
}
.site-header:before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 72%, rgba(96, 219, 255, .14) 72% 73%, transparent 73%),
    linear-gradient(0deg, transparent 0 76%, rgba(96, 219, 255, .10) 76% 77%, transparent 77%);
}
.site-header:after,
.article-detail:after {
  content: "";
  position: absolute;
  width: 92px;
  height: 92px;
  right: -1px;
  top: -1px;
  pointer-events: none;
  border-top: 2px solid rgba(69, 228, 255, .72);
  border-right: 2px solid rgba(69, 228, 255, .72);
  border-radius: 0 8px 0 0;
}
.site-header > div {
  position: relative;
  z-index: 1;
}
.site-kicker {
  margin: 0 0 12px;
  color: #45e4ff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}
.site-kicker:before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: #28f3c4;
  box-shadow: 0 0 16px rgba(40, 243, 196, .9);
}
.site-header h1 {
  margin: 0;
  color: #f4fbff;
  font-size: 42px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: 0;
}
.site-desc {
  width: 635px;
  max-width: 100%;
  margin: 18px 0 0;
  color: #9db5cc;
  font-size: 17px;
  line-height: 1.8;
}
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.hero-metrics span {
  position: relative;
  overflow: hidden;
  min-width: 126px;
  box-sizing: border-box;
  padding: 12px 14px;
  border: 1px solid rgba(69, 228, 255, .22);
  border-radius: 8px;
  background: rgba(5, 20, 38, .52);
  color: #91a9c2;
  font-size: 13px;
}
.hero-metrics strong {
  display: block;
  margin-bottom: 5px;
  color: #f4fbff;
  font-size: 22px;
  line-height: 1;
}
.tech-visual {
  position: relative;
  flex: 0 0 245px;
  width: 245px;
  height: 190px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(20, 48, 82, .98), rgba(6, 18, 34, .98));
  box-shadow: inset 0 0 0 1px rgba(117, 230, 255, .18), 0 0 36px rgba(44, 212, 255, .18);
}
.tech-visual:before {
  content: "";
  position: absolute;
  inset: 15px;
  border: 1px solid rgba(69, 228, 255, .18);
  border-radius: 8px;
}
.tech-visual:after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 96px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(69, 228, 255, .5), transparent);
}
.tech-visual-core {
  position: absolute;
  left: 76px;
  top: 48px;
  width: 92px;
  height: 92px;
  border: 2px solid #45e4ff;
  border-radius: 18px;
  background: rgba(69, 228, 255, .12);
  box-shadow: 0 0 26px rgba(69, 228, 255, .28);
}
.tech-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(69, 228, 255, .18);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.tech-ring-1 {
  width: 142px;
  height: 142px;
}
.tech-ring-2 {
  width: 184px;
  height: 184px;
  border-style: dashed;
}
.tech-visual-core:before,
.tech-visual-core:after {
  content: "";
  position: absolute;
  background: #45e4ff;
}
.tech-visual-core:before {
  left: 22px;
  right: 22px;
  top: 29px;
  height: 2px;
  box-shadow: 0 16px 0 #45e4ff;
}
.tech-visual-core:after {
  top: 22px;
  bottom: 22px;
  left: 29px;
  width: 2px;
  box-shadow: 16px 0 0 #45e4ff;
}
.tech-visual span {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #28f3c4;
  box-shadow: 0 0 14px rgba(40, 243, 196, .7);
}
.tech-visual span:nth-of-type(1) {
  left: 30px;
  top: 34px;
}
.tech-visual span:nth-of-type(2) {
  right: 32px;
  top: 38px;
  background: #5aa8ff;
}
.tech-visual span:nth-of-type(3) {
  left: 38px;
  bottom: 34px;
  background: #ffcd62;
}
.tech-visual span:nth-of-type(4) {
  right: 38px;
  bottom: 32px;
}
.tech-visual span:before {
  content: "";
  position: absolute;
  left: 5px;
  top: 5px;
  width: 72px;
  height: 1px;
  background: rgba(255, 255, 255, .24);
  transform-origin: left center;
}
.tech-visual span:nth-of-type(1):before {
  transform: rotate(25deg);
}
.tech-visual span:nth-of-type(2):before {
  width: 68px;
  transform: rotate(150deg);
}
.tech-visual span:nth-of-type(3):before {
  transform: rotate(-28deg);
}
.tech-visual span:nth-of-type(4):before {
  width: 68px;
  transform: rotate(205deg);
}
.paid-section {
  position: relative;
  overflow: hidden;
  margin-top: 28px;
  padding: 20px;
  border: 1px solid rgba(69, 228, 255, .14);
  border-radius: 8px;
  background: rgba(4, 14, 27, .36);
}
.paid-section:before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(69, 228, 255, .72), transparent);
}
.paid-section:after {
  content: "";
  position: absolute;
  right: 18px;
  top: 18px;
  width: 116px;
  height: 34px;
  pointer-events: none;
  opacity: .45;
  background:
    linear-gradient(90deg, rgba(69, 228, 255, .5) 0 34px, transparent 34px 44px, rgba(40, 243, 196, .42) 44px 78px, transparent 78px 88px, rgba(90, 168, 255, .42) 88px 116px);
}
.section-title {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 18px;
}
.section-title p {
  margin: 0 0 6px;
  color: #45e4ff;
  font-size: 13px;
  font-weight: 700;
}
.section-title h2 {
  margin: 0;
  color: #f4fbff;
  font-size: 28px;
  line-height: 1.2;
}
.section-title span {
  color: #86a3be;
  font-size: 14px;
}
.content-layout {
  display: grid;
  grid-template-columns: 390px 1fr;
  gap: 22px;
  align-items: start;
}
.article-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.article-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 88px;
  box-sizing: border-box;
  padding: 16px;
  border: 1px solid rgba(116, 188, 255, .18);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(19, 45, 78, .86), rgba(8, 22, 41, .86));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04);
  text-align: left;
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.article-card:before {
  content: "";
  position: absolute;
  left: -1px;
  top: 18px;
  width: 3px;
  height: 30px;
  border-radius: 0 2px 2px 0;
  background: transparent;
}
.article-card:hover,
.article-card.active {
  border-color: rgba(69, 228, 255, .68);
  box-shadow: 0 14px 32px rgba(0, 0, 0, .28), 0 0 30px rgba(69, 228, 255, .18);
  transform: translateY(-1px);
}
.article-card:hover:before,
.article-card.active:before {
  background: #45e4ff;
  box-shadow: 0 0 16px rgba(69, 228, 255, .8);
}
.article-index {
  flex: 0 0 42px;
  color: #45e4ff;
  font-size: 20px;
  font-weight: 700;
}
.article-card-main {
  min-width: 0;
  flex: 1;
}
.article-card-main strong {
  display: block;
  color: #ecf7ff;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
}
.article-card-main em {
  display: block;
  margin-top: 8px;
  color: #8da7bf;
  font-size: 13px;
  font-style: normal;
}
.price-badge {
  flex: 0 0 auto;
  min-width: 58px;
  box-sizing: border-box;
  padding: 7px 9px;
  border-radius: 6px;
  background: rgba(40, 243, 196, .13);
  color: #4df0c9;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}
.article-detail {
  position: relative;
  overflow: hidden;
  min-height: 700px;
  box-sizing: border-box;
  padding: 34px 38px;
  border: 1px solid rgba(116, 188, 255, .18);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(14, 34, 59, .92), rgba(9, 22, 40, .96));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05), 0 18px 46px rgba(0, 0, 0, .22);
}
.article-detail:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(69, 228, 255, .72), transparent);
}
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.detail-meta span {
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(85, 151, 220, .13);
  color: #a7c5df;
  font-size: 13px;
}
.article-detail h2 {
  margin: 0;
  color: #f4fbff;
  font-size: 30px;
  line-height: 1.35;
  letter-spacing: 0;
}
.detail-summary {
  margin: 18px 0 26px;
  padding-left: 16px;
  border-left: 4px solid #45e4ff;
  color: #a4bbd1;
  font-size: 16px;
  line-height: 1.8;
}
.article-body p {
  margin: 0 0 18px;
  color: #d8e5f2;
  font-size: 16px;
  line-height: 2;
}
.locked-box {
  margin-top: 26px;
  padding: 24px;
  border-radius: 8px;
  background: rgba(4, 15, 29, .54);
  border: 1px dashed rgba(69, 228, 255, .34);
}
.locked-box p {
  margin: 0 0 18px;
  color: #9fb7cf;
}
.pay-btn {
  height: 44px;
  padding: 0 22px;
  border: 0;
  border-radius: 6px;
  background: linear-gradient(135deg, #18b7d1, #27d2a5);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}
.pay-btn:hover {
  background: linear-gradient(135deg, #20c7e4, #31e2b4);
}
.pay-modal {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 20px;
  box-sizing: border-box;
  background: rgba(3, 8, 16, .78);
}
.pay-modal.show {
  display: flex;
}
.pay-dialog {
  position: relative;
  width: 420px;
  max-width: 100%;
  box-sizing: border-box;
  padding: 30px;
  border-radius: 8px;
  border: 1px solid rgba(69, 228, 255, .24);
  background: #0d1d33;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .45), 0 0 34px rgba(69, 228, 255, .12);
}
.pay-dialog:before {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(69, 228, 255, .8), transparent);
}
.pay-close {
  position: absolute;
  right: 14px;
  top: 12px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  color: #b8c9db;
  font-size: 24px;
  line-height: 32px;
  cursor: pointer;
}
.pay-label {
  margin: 0 0 10px;
  color: #45e4ff;
  font-size: 14px;
  font-weight: 700;
}
.pay-dialog h3 {
  margin: 0;
  padding-right: 18px;
  color: #f4fbff;
  font-size: 22px;
  line-height: 1.45;
}
.pay-tip {
  margin: 14px 0 18px;
  color: #a7bbcf;
  font-size: 14px;
  line-height: 1.7;
}
.qr-box {
  margin: 18px 0 0;
}
.pay-qr-img {
  display: block;
  width: 300px;
  height: auto;
  margin: 0 auto;
  object-fit: cover;
  box-sizing: border-box;
  padding: 8px;
  background: #ffffff;
  border: 1px solid rgba(69, 228, 255, .24);
  border-radius: 6px;
}
.qr-box p {
  margin: 0;
  color: #9fb7cf;
  font-size: 13px;
}
.modal-open {
  position: fixed;
  width: 100%;
  overflow: hidden;
}
.poster-modal {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, .72);
}
.poster-modal.show {
  display: flex;
}
.poster-modal-img {
  display: block;
  max-width: 60vw;
  max-height: 60vh;
  width: auto;
  height: auto;
}
.poetic-footer {
  position: relative;
  z-index: 1;
  width: 100%;
  box-sizing: border-box;
  padding: 24px 15px;
  background: #07111f;
  border-top: 1px solid rgba(69, 228, 255, .14);
}
.poetic-footer-box {
  width: 1100px;
  max-width: 100%;
  margin: 0 auto;
  text-align: center;
  color: #FFFFFF;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 20px;
}
.poetic-footer-box p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}
.poetic-footer-box a {
  font-size: 14px;
  color: #FFFFFF;
}
.poetic-footer-box a:hover {
  color: #45e4ff;
}
@media (max-width: 900px) {
  .container {
    max-width: calc(100% - 24px);
    padding: 24px 0 36px;
  }
  .site-header {
    display: block;
    min-height: 0;
    padding: 28px 22px;
  }
  .site-header h1 {
    font-size: 30px;
  }
  .site-desc {
    font-size: 15px;
  }
  .tech-visual {
    width: 100%;
    max-width: 245px;
    margin: 24px auto 0;
  }
  .hero-metrics span {
    flex: 1 1 120px;
    min-width: 0;
  }
  .content-layout {
    grid-template-columns: 1fr;
  }
  .article-list {
    max-height: none;
  }
  .article-detail {
    min-height: 0;
    padding: 24px 20px;
  }
  .article-detail h2 {
    font-size: 24px;
  }
  .article-card {
    min-height: 0;
  }
  .price-badge {
    min-width: 52px;
  }
  .poetic-footer-box {
    display: block;
  }
  .poetic-footer-box p {
    margin-bottom: 6px;
  }
}