/* 哔咔漫画官网 bkdm.click */
:root {
  --pink: #ff4d94;
  --pink-deep: #e91e75;
  --pink-soft: #fff0f6;
  --pink-mid: #ffb3d1;
  --ink: #1a1a1f;
  --muted: #5c5c66;
  --line: #f0e4ea;
  --bg: #fffafc;
  --card: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(233, 30, 117, 0.08);
  --max: 1120px;
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(255, 77, 148, 0.14), transparent 60%),
    radial-gradient(900px 420px at 90% 0%, rgba(255, 179, 209, 0.25), transparent 55%),
    linear-gradient(180deg, #fff7fa 0%, var(--bg) 35%, #ffffff 100%);
  line-height: 1.75;
  min-height: 100vh;
}

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

a {
  color: var(--pink-deep);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

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

.container {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(255, 250, 252, 0.88);
  border-bottom: 1px solid rgba(255, 77, 148, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(255, 77, 148, 0.28);
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
  padding: 8px 12px;
  border-radius: 999px;
}

.nav a:hover,
.nav a.active {
  color: var(--pink-deep);
  background: var(--pink-soft);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.9rem;
  color: var(--ink);
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 48px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--pink-deep);
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 12px;
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.hero-lead {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 36em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--pink), var(--pink-deep));
  color: #fff;
  box-shadow: 0 10px 22px rgba(233, 30, 117, 0.28);
}

.btn-primary:hover {
  color: #fff;
  opacity: 0.94;
}

.btn-ghost {
  background: #fff;
  border-color: var(--pink-mid);
  color: var(--pink-deep);
}

.hero-panel {
  position: relative;
}

.hero-shot {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 77, 148, 0.15);
  background: #fff;
}

.hero-shot img {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 520px;
  object-fit: cover;
  object-position: top;
}

.hero-float {
  position: absolute;
  right: -8px;
  bottom: 28px;
  width: min(42%, 180px);
  border-radius: 16px;
  overflow: hidden;
  border: 3px solid #fff;
  box-shadow: var(--shadow);
  animation: floaty 4.5s ease-in-out infinite;
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Sections */
.section {
  padding: 42px 0;
}

.section-head {
  margin-bottom: 22px;
}

.section-head h2 {
  margin: 0 0 8px;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  line-height: 1.3;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 48em;
}

.anchor {
  scroll-margin-top: 88px;
}

/* Feature chips */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.chip a {
  color: inherit;
}

.chip:hover {
  border-color: var(--pink-mid);
  color: var(--pink-deep);
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(26, 26, 31, 0.03);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.feature-card .thumb {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--pink-soft);
}

.feature-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.35s ease;
}

.feature-card:hover .thumb img {
  transform: scale(1.04);
}

.feature-card .body {
  padding: 16px 16px 18px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Showcase split */
.split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 6px 20px rgba(26, 26, 31, 0.03);
}

.split.reverse {
  grid-template-columns: 1.05fr 0.95fr;
}

.split.reverse .split-media {
  order: 2;
}

.split-media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--pink-soft);
}

.split-media img {
  width: 100%;
  aspect-ratio: 9 / 14;
  max-height: 460px;
  object-fit: cover;
  object-position: top;
  margin-inline: auto;
}

.split-copy h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
}

.split-copy p {
  margin: 0 0 12px;
  color: var(--muted);
}

.split-copy ul {
  margin: 0;
  padding-left: 1.15em;
  color: var(--muted);
}

.split-copy li + li {
  margin-top: 6px;
}

/* Prose / SEO long content */
.prose {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(20px, 3vw, 36px);
  box-shadow: 0 6px 20px rgba(26, 26, 31, 0.03);
}

.prose h2,
.prose h3 {
  line-height: 1.35;
  margin: 1.4em 0 0.55em;
}

.prose h2:first-child,
.prose h3:first-child {
  margin-top: 0;
}

.prose p,
.prose li {
  color: #33343a;
}

.prose p {
  margin: 0 0 1em;
}

.prose ul,
.prose ol {
  margin: 0 0 1em;
  padding-left: 1.2em;
}

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

.toc {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 16px;
  margin: 0 0 22px;
  padding: 16px;
  background: var(--pink-soft);
  border-radius: 14px;
}

.toc a {
  font-size: 0.95rem;
}

/* FAQ */
.faq {
  display: grid;
  gap: 12px;
}

.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
}

.faq details[open] summary {
  color: var(--pink-deep);
  margin-bottom: 8px;
}

.faq p {
  margin: 0;
  color: var(--muted);
}

/* Page hero for inner pages */
.page-hero {
  padding: 36px 0 10px;
}

.page-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.page-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 46em;
}

.breadcrumb {
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--muted);
}

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

.breadcrumb span {
  margin: 0 6px;
  opacity: 0.5;
}

/* Error pages */
.error-wrap {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 0;
}

.error-wrap h1 {
  margin: 0 0 8px;
  font-size: clamp(2.4rem, 6vw, 4rem);
  color: var(--pink-deep);
}

.error-wrap p {
  margin: 0 0 20px;
  color: var(--muted);
}

/* Footer */
.site-footer {
  margin-top: 48px;
  padding: 36px 0 28px;
  background: linear-gradient(180deg, transparent, rgba(255, 240, 246, 0.8));
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 22px;
}

.footer-brand {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.footer-brand img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
}

.footer-brand strong {
  display: block;
  margin-bottom: 6px;
}

.footer-brand p,
.footer-col p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-col h4 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.footer-col a {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.footer-col a:hover {
  color: var(--pink-deep);
}

.footer-bottom {
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: space-between;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Mobile */
@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: 68px;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px;
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    border-radius: 10px;
  }

  .hero-grid,
  .split,
  .split.reverse,
  .feature-grid,
  .footer-grid,
  .toc {
    grid-template-columns: 1fr;
  }

  .split.reverse .split-media {
    order: 0;
  }

  .hero {
    padding-top: 28px;
  }

  .hero-float {
    display: none;
  }

  .hero-shot img {
    max-height: 420px;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    min-height: 60px;
  }

  .brand span {
    font-size: 1rem;
  }

  .cta-row .btn {
    flex: 1 1 auto;
  }
}