:root {
  --bg-base: #fff6f9;
  --bg-panel: #ffffff;
  --bg-deep: #1c0f18;
  --rose: #e91e7a;
  --rose-light: #ff6ba8;
  --coral: #ff7e67;
  --violet: #8b5cf6;
  --amber: #f5a623;
  --ink: #2a1524;
  --ink-soft: #5c3d52;
  --ink-dim: #8a6b7e;
  --line: rgba(233, 30, 122, 0.18);
  --shadow: 0 18px 48px rgba(233, 30, 122, 0.12);
  --nav-h: 58px;
  --sticky-h: 0px;
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 12px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "Rubik", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-base);
  color: var(--ink-soft);
  line-height: 1.9;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(255, 126, 103, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 40% at 95% 10%, rgba(139, 92, 246, 0.1), transparent 50%),
    radial-gradient(ellipse 50% 30% at 50% 100%, rgba(233, 30, 122, 0.08), transparent 60%),
    linear-gradient(180deg, #fff9fb 0%, #fff0f5 50%, #ffeef3 100%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--rose);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--violet);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: min(920px, 94vw);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  min-height: var(--nav-h);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 24px rgba(233, 30, 122, 0.06);
}

.header-row {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: "Noto Serif SC", "Rubik", serif;
  font-weight: 700;
  font-size: 1.08rem;
  flex-shrink: 0;
}

.brand img {
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(233, 30, 122, 0.25);
}

.nav-desktop {
  display: none;
  list-style: none;
  gap: 4px;
  margin-left: auto;
}

.nav-desktop a {
  color: var(--ink-soft);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  transition: background 0.2s, color 0.2s;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  background: rgba(233, 30, 122, 0.1);
  color: var(--rose);
}

.btn-dl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--rose), var(--coral));
  color: #fff;
  font-weight: 600;
  font-size: 0.86rem;
  box-shadow: 0 8px 24px rgba(233, 30, 122, 0.35);
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  margin-left: auto;
}

.btn-dl:hover {
  color: #fff;
  transform: translateY(-1px);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

.nav-mobile {
  display: none;
  list-style: none;
  padding: 10px 0 16px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.nav-mobile.open {
  display: block;
}

.nav-mobile a {
  display: block;
  padding: 12px 0;
  color: var(--ink-soft);
  border-bottom: 1px solid rgba(233, 30, 122, 0.08);
}

@media (min-width: 880px) {
  .nav-desktop {
    display: flex;
  }

  .hamburger {
    display: none;
  }

  .btn-dl {
    margin-left: 0;
  }
}

.sticky-dl {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
  transform: translateY(-110%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
  box-shadow: 0 6px 20px rgba(233, 30, 122, 0.08);
}

.sticky-dl.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.sticky-dl.menu-hide {
  transform: translateY(-110%);
  opacity: 0;
}

.sticky-dl-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 8px 10px;
  padding: 10px 12px;
  max-width: 920px;
  margin: 0 auto;
}

.sticky-dl-inner > div {
  width: calc(12.5% - 10px);
  min-width: 68px;
  max-width: 80px;
}

.sticky-dl-inner img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 16px;
}

.sticky-dl-inner .caption {
  font-size: 10px;
  color: var(--ink-dim);
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 4px;
}

@media (max-width: 768px) {
  .sticky-dl-inner > div {
    width: calc(25% - 10px);
  }
}

body.sticky-on main {
  padding-top: calc(var(--nav-h) + var(--sticky-h));
}

#ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 0 6px;
}

#ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 72px;
}

#ads img {
  width: 66px;
  height: 66px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(233, 30, 122, 0.18);
  transition: transform 0.18s ease;
}

#ads img:hover {
  transform: scale(1.05);
}

#ads .caption {
  font-size: 11px;
  color: var(--ink-dim);
  text-align: center;
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 4px;
}

main {
  padding-top: var(--nav-h);
  padding-bottom: 60px;
}

.intro-banner {
  padding: 32px 0 40px;
  position: relative;
}

.intro-banner::after {
  content: "";
  position: absolute;
  right: -20px;
  top: 10px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(255, 126, 103, 0.2), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.eyebrow {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(233, 30, 122, 0.12), rgba(139, 92, 246, 0.1));
  border: 1px solid var(--line);
  color: var(--rose);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.intro-banner h1 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.6rem, 5.2vw, 2.2rem);
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 16px;
  max-width: 20ch;
}

.lead-text {
  font-size: 1rem;
  color: var(--ink-soft);
  max-width: 680px;
  margin-bottom: 22px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  color: var(--ink);
  font-weight: 500;
  font-size: 0.9rem;
  background: #fff;
}

.btn-outline:hover {
  border-color: var(--rose);
  color: var(--rose);
}

.section {
  margin-bottom: 48px;
}

.section-label {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 6px;
}

.section-title {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.3rem, 4vw, 1.75rem);
  color: var(--ink);
  margin-bottom: 8px;
}

.section-desc {
  color: var(--ink-dim);
  font-size: 0.94rem;
  margin-bottom: 22px;
}

.prose {
  color: var(--ink-soft);
}

.prose h3 {
  font-family: "Noto Serif SC", serif;
  color: var(--ink);
  font-size: 1.12rem;
  margin: 26px 0 10px;
}

.prose h3:first-child {
  margin-top: 0;
}

.prose p {
  margin-bottom: 15px;
  text-align: justify;
}

.prose ul,
.prose ol {
  margin: 12px 0 16px 22px;
}

.prose li {
  margin-bottom: 7px;
}

.ext-link {
  color: var(--rose);
  border-bottom: 1px dashed rgba(233, 30, 122, 0.4);
}

.layout-73 {
  display: grid;
  gap: 24px;
  align-items: start;
}

@media (min-width: 768px) {
  .layout-73 {
    grid-template-columns: 7fr 3fr;
  }

  .layout-73.flip {
    grid-template-columns: 3fr 7fr;
  }

  .layout-73.flip .layout-img {
    order: -1;
  }
}

.layout-img img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.panel-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 24px 22px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.card-row {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.card-row.cols-2 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card-row.cols-3 {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.info-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.info-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(233, 30, 122, 0.1);
}

.info-card .num {
  font-family: "Rubik", sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: rgba(233, 30, 122, 0.35);
  line-height: 1;
  margin-bottom: 8px;
}

.info-card h4 {
  color: var(--ink);
  font-size: 0.98rem;
  margin-bottom: 6px;
}

.info-card p {
  font-size: 0.88rem;
  color: var(--ink-dim);
  line-height: 1.75;
}

.combo-block {
  display: grid;
  gap: 18px;
  background: linear-gradient(135deg, #fff, #fff8fa);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 20px;
  margin-top: 20px;
}

@media (min-width: 640px) {
  .combo-block {
    grid-template-columns: 1fr 1.15fr;
    align-items: center;
  }

  .combo-block.reverse {
    grid-template-columns: 1.15fr 1fr;
  }

  .combo-block.reverse .combo-img {
    order: 2;
  }
}

.combo-img img {
  border-radius: var(--radius-md);
  width: 100%;
}

.combo-body h4 {
  color: var(--ink);
  margin-bottom: 8px;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 24px;
}

@media (min-width: 580px) {
  .stat-strip {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
  padding: 16px 10px;
  background: linear-gradient(145deg, rgba(233, 30, 122, 0.06), rgba(139, 92, 246, 0.05));
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}

.stat-item strong {
  display: block;
  font-size: 1.4rem;
  color: var(--rose);
  margin-bottom: 2px;
}

.stat-item span {
  font-size: 0.8rem;
  color: var(--ink-dim);
}

.faq-wrap {
  margin-top: 18px;
}

.faq-entry {
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}

.faq-entry h4 {
  color: var(--ink);
  font-size: 0.98rem;
  margin-bottom: 6px;
}

.breadcrumb {
  padding: 12px 0;
  font-size: 0.84rem;
  color: var(--ink-dim);
}

.breadcrumb a {
  color: var(--ink-soft);
}

.breadcrumb span {
  margin: 0 8px;
  opacity: 0.45;
}

.page-top {
  padding: 24px 0 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}

.page-top h1 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.45rem, 4vw, 1.9rem);
  color: var(--ink);
  margin-bottom: 8px;
}

.page-top p {
  color: var(--ink-dim);
  max-width: 600px;
}

.doc-block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  margin-bottom: 22px;
  box-shadow: 0 8px 28px rgba(233, 30, 122, 0.05);
}

.doc-block h2 {
  font-family: "Noto Serif SC", serif;
  color: var(--ink);
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.error-wrap {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.error-num {
  font-family: "Rubik", sans-serif;
  font-size: clamp(3.5rem, 14vw, 6.5rem);
  font-weight: 700;
  background: linear-gradient(120deg, var(--rose), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 14px;
}

.error-wrap h1 {
  color: var(--ink);
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.error-wrap p {
  color: var(--ink-dim);
  margin-bottom: 22px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 24px;
  margin-top: 40px;
  background: rgba(255, 255, 255, 0.7);
}

.footer-cols {
  display: grid;
  gap: 22px;
}

@media (min-width: 620px) {
  .footer-cols {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.footer-name {
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-menu {
  list-style: none;
}

.footer-menu li {
  margin-bottom: 7px;
}

.footer-menu a {
  color: var(--ink-dim);
  font-size: 0.88rem;
}

.footer-note {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--ink-dim);
  text-align: center;
}