/* pica.homes — 绯夜织梦 · 二次元品牌官方站 */
:root {
  --velvet: #12081a;
  --velvet-mid: #1f1028;
  --velvet-soft: #2d1838;
  --sakura: #ff2d6a;
  --sakura-light: #ff6b9d;
  --sakura-glow: rgba(255, 45, 106, 0.38);
  --peach: #ffc4d6;
  --peach-pale: #fff0f5;
  --lilac: #c9a0ff;
  --gold: #f4c27a;
  --ink: #1a0e22;
  --text: #2b152e;
  --text-muted: #7a5c82;
  --glass: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(255, 107, 157, 0.22);
  --nav-h: 58px;
  --sticky-h: 92px;
  --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(--peach-pale);
  color: var(--text);
  line-height: 1.85;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 90% 5%, rgba(255, 45, 106, 0.09), transparent 55%),
    radial-gradient(ellipse 50% 40% at 5% 90%, rgba(201, 160, 255, 0.1), transparent 50%),
    linear-gradient(175deg, #fff5f9 0%, #fde8f0 45%, #f8eef8 100%);
  z-index: -1;
  pointer-events: none;
}

a { color: var(--velvet-soft); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--sakura); }

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

.container { width: min(1100px, 93vw); margin: 0 auto; }

/* ===== 顶栏 ===== */
.header-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1200;
  height: var(--nav-h);
  background: rgba(18, 8, 26, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 107, 157, 0.28);
  box-shadow: 0 8px 32px rgba(18, 8, 26, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 12px;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.04em;
}

.brand-mark img {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 2px solid var(--sakura-light);
  box-shadow: 0 0 16px var(--sakura-glow);
}

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

.site-nav ul {
  display: flex;
  list-style: none;
  gap: 4px;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.85rem;
  padding: 7px 12px;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}

.site-nav a:hover,
.site-nav a.active {
  background: rgba(255, 45, 106, 0.42);
  color: #fff;
}

.dl-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: linear-gradient(120deg, var(--sakura), #ff5088);
  color: #fff !important;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 600;
  box-shadow: 0 4px 18px var(--sakura-glow);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.45rem;
  cursor: pointer;
  padding: 4px 8px;
}

/* ===== 粘性下载栏 ===== */
.pin-dl {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  z-index: 1150;
  background: linear-gradient(180deg, rgba(18, 8, 26, 0.97), rgba(31, 16, 40, 0.95));
  border-bottom: 1px solid rgba(255, 107, 157, 0.2);
  padding: 8px 0;
  transform: translateY(-120%);
  opacity: 0;
  transition: transform 0.28s, opacity 0.28s;
  pointer-events: none;
}

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

body.has-pin main { padding-top: calc(var(--nav-h) + var(--sticky-h) + 14px); }

#ads, #sticky-ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px 4px;
}

#ads > div, #sticky-ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: calc(12.5% - 4px);
  min-width: 70px;
  max-width: 86px;
}

#ads img, #sticky-ads img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 17px;
  border: 2px solid rgba(255, 107, 157, 0.35);
  box-shadow: 0 6px 20px rgba(18, 8, 26, 0.22);
  transition: transform 0.18s, box-shadow 0.18s;
}

#ads a, #sticky-ads a { display: inline-block; border-radius: 17px; }

#ads img:hover, #sticky-ads img:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 10px 26px var(--sakura-glow);
}

#ads .caption, #sticky-ads .caption {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  max-width: 78px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 3px;
  height: 14px;
}

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

.dl-zone {
  background: linear-gradient(135deg, rgba(255, 45, 106, 0.07), rgba(201, 160, 255, 0.06));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 16px 14px 12px;
  margin-bottom: 30px;
}

.dl-zone-label {
  text-align: center;
  font-size: 0.82rem;
  color: var(--sakura);
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 0.1em;
}

/* ===== 主内容 ===== */
main { padding-top: calc(var(--nav-h) + 16px); }

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.breadcrumb a { color: var(--velvet-soft); }
.breadcrumb span.sep { opacity: 0.45; }

/* ===== 首屏 ===== */
.masthead {
  padding: 40px 0 50px;
  position: relative;
}

.masthead-badge {
  display: inline-block;
  padding: 6px 16px;
  background: linear-gradient(90deg, var(--velvet-mid), var(--velvet-soft));
  color: var(--peach);
  font-size: 0.76rem;
  border-radius: 6px 16px 6px 16px;
  letter-spacing: 0.14em;
  margin-bottom: 18px;
}

.masthead h1 {
  font-size: clamp(1.45rem, 4.5vw, 2.15rem);
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 18px;
  font-weight: 800;
}

.masthead-lead {
  font-size: 1.02rem;
  color: var(--text-muted);
  max-width: 780px;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.pill {
  padding: 6px 14px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--velvet-soft);
}

/* ===== 内容区块 ===== */
.sect { margin-bottom: 52px; }

.sect-head { margin-bottom: 24px; }

.sect-head h2 {
  font-size: clamp(1.2rem, 3.5vw, 1.65rem);
  color: var(--ink);
  margin-bottom: 8px;
  position: relative;
  padding-left: 14px;
}

.sect-head h2::before {
  content: "";
  position: absolute;
  left: 0; top: 0.15em; bottom: 0.15em;
  width: 4px;
  background: linear-gradient(180deg, var(--sakura), var(--lilac));
  border-radius: 2px;
}

.sect-head .sect-sub {
  font-size: 0.92rem;
  color: var(--text-muted);
  padding-left: 14px;
}

.copy p { margin-bottom: 1.1em; text-align: justify; }

/* 图文布局 3:7 */
.media-row {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 28px;
  align-items: start;
  margin: 28px 0;
}

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

.media-col figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 12px 40px rgba(18, 8, 26, 0.12);
  background: #fff;
}

.media-col figcaption {
  padding: 10px 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.95);
  text-align: center;
}

/* 卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin: 24px 0;
}

.velvet-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 22px 20px;
  transition: transform 0.22s, box-shadow 0.22s;
}

.velvet-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(255, 45, 106, 0.12);
}

.velvet-card .card-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--sakura), var(--lilac));
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 12px;
  margin-bottom: 14px;
}

.velvet-card h3 {
  font-size: 1.02rem;
  margin-bottom: 8px;
  color: var(--ink);
}

.velvet-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* 色带区块 */
.ribbon-band {
  background: linear-gradient(135deg, var(--velvet-mid), var(--velvet-soft));
  color: #fff;
  border-radius: var(--radius);
  padding: 32px 28px;
  margin: 36px 0;
}

.ribbon-band h3 {
  font-size: 1.15rem;
  margin-bottom: 14px;
  color: var(--peach);
}

.ribbon-band p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.94rem;
}

/* FAQ */
.faq-list { margin-top: 20px; }

.faq-item {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 12px;
}

.faq-item h3 {
  font-size: 0.98rem;
  color: var(--ink);
  margin-bottom: 8px;
}

.faq-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* 子页面 */
.page-h1 {
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  color: var(--ink);
  margin-bottom: 14px;
}

.page-intro {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 820px;
}

.legal-body h2 {
  font-size: 1.12rem;
  color: var(--ink);
  margin: 32px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--glass-border);
}

.legal-body h3 {
  font-size: 1rem;
  color: var(--velvet-soft);
  margin: 20px 0 8px;
}

.legal-body p, .legal-body li {
  font-size: 0.94rem;
  color: var(--text);
  margin-bottom: 0.9em;
}

.legal-body ul, .legal-body ol {
  padding-left: 1.4em;
  margin-bottom: 1em;
}

/* 错误页 */
.err-page {
  text-align: center;
  padding: 80px 20px 100px;
}

.err-page h1 {
  font-size: 4rem;
  background: linear-gradient(135deg, var(--sakura), var(--lilac));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.err-page p { color: var(--text-muted); margin-bottom: 24px; }

.err-page .dl-btn { display: inline-flex; }

/* 页脚 */
.site-foot {
  background: var(--velvet);
  color: rgba(255, 255, 255, 0.75);
  padding: 40px 0 28px;
  margin-top: 60px;
}

.foot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 28px;
  margin-bottom: 28px;
}

.foot-grid h4 {
  color: var(--peach);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.foot-grid a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.84rem;
  margin-bottom: 8px;
}

.foot-grid a:hover { color: var(--sakura-light); }

.foot-copy {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

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

@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(18, 8, 26, 0.98);
    padding: 12px 16px 18px;
    border-bottom: 1px solid rgba(255, 107, 157, 0.2);
    box-shadow: 0 12px 32px rgba(18, 8, 26, 0.35);
    gap: 2px;
    z-index: 1199;
  }

  .site-nav ul.open { display: flex; }

  .site-nav a { display: block; padding: 12px 14px; }

  .site-nav .dl-btn {
    display: flex;
    justify-content: center;
    margin-top: 6px;
    text-align: center;
  }

  #ads > div, #sticky-ads > div {
    width: calc(25% - 4px);
    min-width: 62px;
    max-width: 76px;
  }

  #ads img, #sticky-ads img {
    width: 56px;
    height: 56px;
  }

  .masthead { padding: 28px 0 36px; }
  .sect { margin-bottom: 40px; }
}

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