:root {
  --bg: #080c19;
  --bg-soft: #10162c;
  --surface: #151d38;
  --surface-2: #1a2448;
  --text: #e6ebff;
  --muted: #9ba7d1;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #4de2be;
  --accent-2: #7b61ff;
  --radius: 16px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(circle at 15% 0%, rgba(123, 97, 255, 0.2), transparent 34%),
    radial-gradient(circle at 85% 15%, rgba(77, 226, 190, 0.16), transparent 34%),
    var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

.navbar {
  background: rgba(8, 12, 25, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3);
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-brand {
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.brand-mark {
  position: relative;
  padding-left: 2rem;
}

.brand-mark::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  transform: translateY(-50%);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px rgba(77, 226, 190, 0.5);
}

.navbar .nav-link {
  color: #c8d1f7;
  font-size: 0.95rem;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: #fff;
}

.dropdown-menu {
  border: 1px solid var(--line);
}

.update-chip {
  font-size: 0.78rem;
  color: #d7defd;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.04);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), #63d4ff);
  border: 0;
  color: #0c132a;
  font-weight: 700;
}

.btn-accent:hover {
  background: linear-gradient(135deg, #66ead0, #88e5ff);
  color: #081022;
}

.offcanvas {
  background: #0c1225;
  color: #fff;
}

.offcanvas .nav-link {
  color: #d7defd;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.55rem 0.8rem;
}

.offcanvas .nav-link:hover,
.offcanvas .nav-link.active {
  background: rgba(123, 97, 255, 0.18);
  border-color: rgba(123, 97, 255, 0.35);
}

.hero-section {
  padding-top: 7.5rem;
  padding-bottom: 2.2rem;
}

.glass-panel {
  background: linear-gradient(160deg, rgba(123, 97, 255, 0.16), rgba(77, 226, 190, 0.06));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 20px 45px rgba(2, 4, 10, 0.35);
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #cfd7ff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
}

.glass-panel h1 {
  font-size: clamp(1.7rem, 2.8vw, 2.4rem);
  margin: 1rem 0 0.9rem;
  line-height: 1.28;
}

.glass-panel p {
  color: var(--muted);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.stat-grid div {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.75rem;
}

.stat-grid strong {
  display: block;
  font-size: 1.1rem;
}

.stat-grid span {
  font-size: 0.78rem;
  color: var(--muted);
}

.hero-note {
  margin-top: 0.85rem;
  color: #b8c3ec;
  font-size: 0.84rem;
}

.hero-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  position: relative;
}

.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-main img {
  min-height: 420px;
}

.hero-side img {
  min-height: 202px;
}

.hero-card-caption,
.hero-mini-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.95rem;
  background: linear-gradient(to top, rgba(5, 8, 18, 0.9), rgba(5, 8, 18, 0));
}

.hero-card-caption h2 {
  margin: 0;
  font-size: 1.1rem;
}

.hero-card-caption p,
.hero-mini-caption span {
  margin: 0.25rem 0 0;
  font-size: 0.82rem;
  color: #c8d1f7;
}

.hero-mini-caption h3 {
  margin: 0;
  font-size: 0.96rem;
}

.content-section {
  padding: 2.3rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.section-head {
  margin-bottom: 1.15rem;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
}

.section-head p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.filter-panel {
  padding: 0.9rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.28rem 0.75rem;
  font-size: 0.8rem;
  color: #d6ddff;
  background: rgba(255, 255, 255, 0.03);
}

.media-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 25px rgba(2, 5, 14, 0.28);
}

.media-card .card-img-top {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.media-card .card-body {
  padding: 0.95rem;
}

.media-card h3 {
  margin: 0.5rem 0 0.35rem;
}

.media-card p {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 0.75rem;
}

.meta-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.pill {
  font-size: 0.72rem;
  border-radius: 999px;
  padding: 0.22rem 0.6rem;
  border: 1px solid rgba(77, 226, 190, 0.45);
  color: #8cf0d8;
  background: rgba(77, 226, 190, 0.12);
}

.score {
  font-size: 0.78rem;
  font-weight: 700;
  color: #f6f8ff;
  background: rgba(123, 97, 255, 0.35);
  border: 1px solid rgba(123, 97, 255, 0.55);
  padding: 0.2rem 0.5rem;
  border-radius: 7px;
}

.tags {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.tags span {
  font-size: 0.74rem;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: #d7defd;
}

.feature-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  height: 100%;
}

.feature-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.feature-body {
  padding: 1rem;
}

.feature-body h3 {
  font-size: 1rem;
  margin: 0.65rem 0 0.5rem;
}

.feature-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.accordion-item {
  background: var(--surface);
  border: 1px solid var(--line);
  margin-bottom: 0.8rem;
  border-radius: 12px;
  overflow: hidden;
}

.accordion-button {
  background: var(--surface);
  color: #eef2ff;
  font-weight: 600;
}

.accordion-button:not(.collapsed) {
  color: #fff;
  background: rgba(123, 97, 255, 0.2);
  box-shadow: inset 0 -1px 0 var(--line);
}

.accordion-button:focus {
  box-shadow: none;
}

.accordion-body {
  color: #c5d0f5;
  background: #131a34;
}

.friend-link {
  display: block;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: #d9e1ff;
  padding: 0.75rem 0.5rem;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.friend-link:hover {
  transform: translateY(-2px);
  border-color: rgba(77, 226, 190, 0.5);
  color: #fff;
}

.site-footer {
  padding: 2.6rem 0 1.3rem;
  background: #070a15;
  border-top: 1px solid var(--line);
}

.footer-brand {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.site-footer p,
.site-footer li,
.site-footer small {
  color: #aeb9e6;
}

.site-footer h3 {
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

.site-footer ul li {
  margin-bottom: 0.45rem;
}

.site-footer a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  margin-top: 1.25rem;
  padding-top: 1rem;
  color: #92a1d3;
  font-size: 0.9rem;
}

.back-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(12, 18, 36, 0.95);
  color: #dce5ff;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s ease;
  z-index: 1040;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.modal-content {
  background: #111833;
  border: 1px solid var(--line);
  color: #eef2ff;
}

.modal-header {
  border-bottom-color: var(--line);
}

.form-control {
  background: #0b132a;
  border: 1px solid var(--line);
  color: #e6ebff;
}

.form-control:focus {
  color: #fff;
  background: #0b132a;
  border-color: rgba(77, 226, 190, 0.7);
  box-shadow: 0 0 0 0.2rem rgba(77, 226, 190, 0.12);
}

@media (max-width: 991.98px) {
  .hero-section {
    padding-top: 6.5rem;
  }

  .glass-panel {
    padding: 1.4rem;
  }
}

@media (max-width: 575.98px) {
  .hero-main img {
    min-height: 320px;
  }

  .hero-side img {
    min-height: 170px;
  }

  .section-head {
    margin-bottom: 0.9rem;
  }

  .content-section {
    padding: 1.9rem 0;
  }
}