/* pica.monster — 绯樱紫雾 · 二次元短视频品牌官方站 */
:root {
  --plum: #3d1f4a;
  --plum-deep: #2a1435;
  --magenta: #e91e8c;
  --magenta-light: #ff5cb8;
  --magenta-glow: rgba(233, 30, 140, 0.32);
  --rose: #ff6b9d;
  --lavender: #c9a0dc;
  --lilac: #f3e8ff;
  --cream: #fff5f9;
  --pearl: #ffffff;
  --ink: #2a1a32;
  --text: #3d2a45;
  --text-muted: #7a5f86;
  --glass: rgba(255, 255, 255, 0.88);
  --glass-line: rgba(233, 30, 140, 0.18);
  --nav-h: 54px;
  --sticky-h: 86px;
  --radius: 20px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

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

body {
  font-family: var(--font);
  background: var(--cream);
  color: var(--text);
  line-height: 1.9;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 92% 5%, rgba(233, 30, 140, 0.1), transparent 55%),
    radial-gradient(ellipse 50% 45% at 5% 92%, rgba(201, 160, 220, 0.14), transparent 50%),
    repeating-radial-gradient(circle at 20% 30%, rgba(233, 30, 140, 0.03) 0 1px, transparent 1px 12px),
    linear-gradient(175deg, #fff8fc 0%, #f8f0ff 45%, #fff5f9 100%);
  z-index: -1;
  pointer-events: none;
}

a { color: var(--plum); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--magenta); }

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

.wrap { width: min(1060px, 91vw); margin: 0 auto; }

/* ===== 顶栏 ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1200;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-line);
  box-shadow: 0 4px 24px rgba(61, 31, 74, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 8px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--plum);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.brand-link img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 2px solid var(--magenta-light);
  box-shadow: 0 0 12px var(--magenta-glow);
}

.site-nav { display: flex; align-items: center; }

.site-nav ul {
  display: flex;
  list-style: none;
  gap: 1px;
}

.site-nav a {
  color: var(--text-muted);
  font-size: 0.83rem;
  padding: 6px 10px;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}

.site-nav a:hover,
.site-nav a.active {
  background: rgba(233, 30, 140, 0.1);
  color: var(--magenta);
}

.btn-dl {
  display: inline-flex;
  align-items: center;
  padding: 6px 15px;
  background: linear-gradient(120deg, var(--magenta), var(--rose));
  color: #fff !important;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: 0 4px 14px var(--magenta-glow);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--plum);
  font-size: 1.35rem;
  cursor: pointer;
  padding: 4px 8px;
}

/* ===== 粘性下载栏 ===== */
.sticky-dl {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  z-index: 1150;
  background: linear-gradient(180deg, rgba(61, 31, 74, 0.97), rgba(42, 20, 53, 0.95));
  border-bottom: 1px solid rgba(255, 107, 157, 0.25);
  padding: 6px 0;
  transform: translateY(-120%);
  opacity: 0;
  transition: transform 0.25s, opacity 0.25s;
  pointer-events: none;
}

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

body.has-sticky main { padding-top: calc(var(--nav-h) + var(--sticky-h) + 10px); }

#ads, #sticky-ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 5px 2px;
}

#ads > div, #sticky-ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: calc(12.5% - 4px);
  min-width: 66px;
  max-width: 82px;
}

#ads img, #sticky-ads img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 15px;
  border: 2px solid rgba(255, 107, 157, 0.45);
  box-shadow: 0 4px 16px rgba(42, 20, 53, 0.3);
  transition: transform 0.18s, box-shadow 0.18s;
}

#ads a, #sticky-ads a { display: inline-block; border-radius: 15px; }

#ads img:hover, #sticky-ads img:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 7px 20px var(--magenta-glow);
}

#ads .caption, #sticky-ads .caption {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  max-width: 74px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 3px;
  height: 14px;
}

.sticky-dl #sticky-ads .caption { color: rgba(255, 255, 255, 0.72); }

.ad-zone {
  background: linear-gradient(145deg, rgba(233, 30, 140, 0.05), rgba(201, 160, 220, 0.08));
  border: 1px dashed var(--glass-line);
  border-radius: var(--radius);
  padding: 13px 11px 9px;
  margin-bottom: 26px;
}

.ad-zone-label {
  text-align: center;
  font-size: 0.78rem;
  color: var(--magenta);
  font-weight: 600;
  margin-bottom: 7px;
  letter-spacing: 0.14em;
}

/* ===== 主内容 ===== */
main { padding-top: calc(var(--nav-h) + 12px); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.breadcrumb a { color: var(--plum); }
.breadcrumb .arrow { opacity: 0.35; }

/* ===== 首屏 ===== */
.intro-hero {
  padding: 32px 0 40px;
  border-bottom: 1px solid var(--glass-line);
  margin-bottom: 38px;
}

.intro-ribbon {
  display: inline-block;
  padding: 4px 13px;
  background: linear-gradient(90deg, var(--plum), var(--magenta));
  color: #fff;
  font-size: 0.72rem;
  border-radius: 3px 12px 3px 12px;
  letter-spacing: 0.14em;
  margin-bottom: 14px;
}

.intro-hero h1 {
  font-size: clamp(1.35rem, 4vw, 2rem);
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 14px;
  font-weight: 800;
}

.intro-lead {
  font-size: 0.98rem;
  color: var(--text-muted);
  max-width: 780px;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.pill {
  padding: 4px 12px;
  background: var(--pearl);
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  font-size: 0.76rem;
  color: var(--plum);
}

/* ===== 内容区块 ===== */
.panel { margin-bottom: 44px; }

.panel-head { margin-bottom: 20px; }

.panel-head h2 {
  font-size: clamp(1.1rem, 3.2vw, 1.55rem);
  color: var(--ink);
  margin-bottom: 5px;
  padding-left: 14px;
  border-left: 4px solid var(--magenta);
}

.panel-head .hint {
  font-size: 0.88rem;
  color: var(--text-muted);
  padding-left: 18px;
}

.copy p { margin-bottom: 1.05em; text-align: justify; }

.media-split {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 24px;
  align-items: start;
  margin: 24px 0;
}

.media-split.reverse { grid-template-columns: 7fr 3fr; }
.media-split.reverse .visual { order: 2; }
.media-split.reverse .copy-col { order: 1; }

.visual figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--glass-line);
  box-shadow: 0 8px 32px rgba(61, 31, 74, 0.1);
  background: var(--pearl);
}

.visual figcaption {
  padding: 8px 10px;
  font-size: 0.74rem;
  color: var(--text-muted);
  background: var(--pearl);
  text-align: center;
}

.blossom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.blossom-card {
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  padding: 18px 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.blossom-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(233, 30, 140, 0.12);
}

.blossom-card .mark {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--magenta), var(--lavender));
  color: #fff;
  font-weight: 700;
  font-size: 0.82rem;
  border-radius: 10px;
  margin-bottom: 10px;
}

.blossom-card h3 {
  font-size: 0.96rem;
  margin-bottom: 6px;
  color: var(--ink);
}

.blossom-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.mist-band {
  background: linear-gradient(135deg, var(--plum-deep), var(--plum));
  color: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  margin: 28px 0;
  border: 1px solid rgba(255, 107, 157, 0.2);
}

.mist-band h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  color: var(--rose);
}

.mist-band p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.9rem;
}

.faq-stack { margin-top: 16px; }

.faq-box {
  background: var(--pearl);
  border: 1px solid var(--glass-line);
  border-radius: 14px;
  padding: 15px 17px;
  margin-bottom: 9px;
}

.faq-box h3 {
  font-size: 0.94rem;
  color: var(--ink);
  margin-bottom: 6px;
}

.faq-box p {
  font-size: 0.86rem;
  color: var(--text-muted);
}

.card-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 22px 0;
}

.card-visual .blossom-card { margin: 0; }

.card-visual .visual { grid-column: span 1; }

.card-visual .visual figure { height: 100%; }

/* 子页面 */
.doc-title {
  font-size: clamp(1.25rem, 3.6vw, 1.72rem);
  color: var(--ink);
  margin-bottom: 10px;
}

.doc-intro {
  font-size: 0.96rem;
  color: var(--text-muted);
  margin-bottom: 26px;
  max-width: 820px;
}

.article h2 {
  font-size: 1.08rem;
  color: var(--ink);
  margin: 28px 0 9px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--glass-line);
}

.article h3 {
  font-size: 0.96rem;
  color: var(--plum);
  margin: 16px 0 6px;
}

.article p, .article li {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 0.82em;
}

.article ul, .article ol {
  padding-left: 1.3em;
  margin-bottom: 0.85em;
}

/* 错误页 */
.error-panel {
  text-align: center;
  padding: 68px 16px 84px;
}

.error-panel h1 {
  font-size: 3.6rem;
  background: linear-gradient(135deg, var(--magenta), var(--lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.error-panel p { color: var(--text-muted); margin-bottom: 20px; }
.error-panel .btn-dl { display: inline-flex; }

/* 页脚 */
.site-footer {
  background: var(--plum-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 34px 0 22px;
  margin-top: 50px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 22px;
  margin-bottom: 22px;
}

.footer-grid h4 {
  color: var(--rose);
  font-size: 0.86rem;
  margin-bottom: 9px;
}

.footer-grid a {
  display: block;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.8rem;
  margin-bottom: 6px;
}

.footer-grid a:hover { color: var(--magenta-light); }

.footer-copy {
  text-align: center;
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.4);
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .media-split, .media-split.reverse { grid-template-columns: 1fr; }
  .media-split.reverse .visual,
  .media-split.reverse .copy-col { order: unset; }
  .card-visual { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .site-nav ul {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    padding: 9px 12px 14px;
    border-bottom: 1px solid var(--glass-line);
    box-shadow: 0 8px 24px rgba(61, 31, 74, 0.12);
    gap: 0;
    z-index: 1199;
  }

  .site-nav ul.open { display: flex; }
  .site-nav a { display: block; padding: 10px 11px; }
  .site-nav .btn-dl { display: flex; justify-content: center; margin-top: 4px; }

  #ads > div, #sticky-ads > div {
    width: calc(25% - 4px);
    min-width: 58px;
    max-width: 72px;
  }

  #ads img, #sticky-ads img { width: 52px; height: 52px; }
  .intro-hero { padding: 22px 0 28px; }
  .panel { margin-bottom: 32px; }
}

@media (min-width: 769px) {
  #ads > div, #sticky-ads > div { width: calc(12.5% - 4px); }
}