/* 哔咔漫画 pi-ka.biz — 夜读青瓷视觉体系 */
@import url("https://fonts.googleapis.com/css2?family=ZCOOL+QingKe+HuangYou&family=Noto+Sans+SC:wght@400;500;700&display=swap");

:root {
  --ink: #071a18;
  --ink-soft: #0f2f2b;
  --glaze: #b8e8d8;
  --glaze-dim: #7bc4b0;
  --coral: #ff7a59;
  --coral-deep: #e85a38;
  --sand: #f3efe6;
  --mist: rgba(184, 232, 216, 0.12);
  --glass: rgba(15, 47, 43, 0.72);
  --line: rgba(184, 232, 216, 0.22);
  --text: #eef7f3;
  --muted: #a8c4bc;
  --radius: 18px;
  --max: 1080px;
  --font-display: "ZCOOL QingKe HuangYou", "Ma Shan Zheng", cursive;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(255, 122, 89, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(46, 196, 182, 0.16), transparent 50%),
    linear-gradient(180deg, #041210 0%, var(--ink) 40%, #0a221f 100%);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

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

.folio-wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* —— 顶部推广区（bk.json 图标） —— */
.folio-promo {
  position: relative;
  z-index: 40;
  background: linear-gradient(120deg, rgba(255, 122, 89, 0.12), rgba(46, 196, 182, 0.1)),
    rgba(15, 47, 43, 0.55);
  border-bottom: 1px solid var(--line);
}

.folio-promo-inner {
  padding: 0.75rem 0 0.55rem;
}

.folio-ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 4px 2px;
  margin: 4px 0;
}

.folio-ads-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 70px;
  box-sizing: border-box;
}

.folio-ads-cell figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.folio-ads-cell a {
  display: inline-block;
  text-decoration: none;
  border-radius: 15px;
}

.folio-ads-cell img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.28);
  transition: transform 180ms ease, box-shadow 180ms ease;
  background: #fff;
}

.folio-ads-cell img:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.folio-ads-cap {
  height: 15px;
  max-width: 100px;
  margin-top: 4px;
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* —— 导航 —— */
.folio-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--glass);
  border-bottom: 1px solid var(--line);
}

.folio-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
  gap: 1rem;
}

.folio-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text) !important;
}

.folio-brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 0 0 2px rgba(184, 232, 216, 0.35);
}

.folio-brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.folio-nav-links {
  display: none;
  gap: 1.25rem;
  font-size: 0.92rem;
}

.folio-nav-links a {
  color: var(--muted);
}

.folio-nav-links a:hover,
.folio-nav-links a.is-active {
  color: var(--glaze);
}

.folio-nav-toggle {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--mist);
  color: var(--text);
  display: grid;
  place-items: center;
  cursor: pointer;
}

.folio-nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--glaze);
  position: relative;
}

.folio-nav-toggle span::before,
.folio-nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--glaze);
}

.folio-nav-toggle span::before {
  top: -6px;
}

.folio-nav-toggle span::after {
  top: 6px;
}

.folio-nav-drawer {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0 0 1rem;
}

.folio-nav-drawer.is-open {
  display: flex;
}

.folio-nav-drawer a {
  padding: 0.65rem 0.85rem;
  border-radius: 12px;
  background: var(--mist);
  color: var(--text);
}

@media (min-width: 860px) {
  .folio-nav-links {
    display: flex;
  }
  .folio-nav-toggle {
    display: none;
  }
  .folio-nav-drawer {
    display: none !important;
  }
}

/* —— 滚动后固定下载导航（漂浮下载区） —— */
.folio-dock-shell {
  position: sticky;
  top: 58px;
  z-index: 45;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: max-height 0.28s ease, opacity 0.28s ease;
  background: rgba(7, 26, 24, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.folio-dock-shell.is-visible {
  max-height: 240px;
  opacity: 1;
  pointer-events: auto;
}

.folio-dock {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 10px 0 12px;
  max-width: 420px;
  margin-inline: auto;
}

.folio-dock-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  color: var(--muted);
  font-size: 11px;
}

.folio-dock-cell img {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background: #fff;
}

.folio-dock-cell:hover img {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 24px rgba(255, 122, 89, 0.25);
}

.folio-dock-cell span {
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

@media (min-width: 860px) {
  .folio-dock-shell.is-visible {
    max-height: 140px;
  }
}

/* —— Hero —— */
.folio-hero {
  position: relative;
  padding: 2.4rem 0 2rem;
  isolation: isolate;
}

.folio-hero::after {
  content: "";
  position: absolute;
  inset: 8% 5% auto auto;
  width: min(48vw, 320px);
  height: min(48vw, 320px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 89, 0.28), transparent 70%);
  filter: blur(8px);
  z-index: -1;
  animation: folio-pulse 6s ease-in-out infinite;
}

@keyframes folio-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.12);
    opacity: 1;
  }
}

.folio-hero-mark {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 10vw, 4.2rem);
  line-height: 1.1;
  margin: 0 0 0.6rem;
  background: linear-gradient(120deg, var(--sand), var(--glaze) 45%, var(--coral));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: folio-rise 0.9s ease both;
}

.folio-hero h1 {
  font-size: clamp(1.15rem, 3.6vw, 1.55rem);
  font-weight: 700;
  margin: 0 0 0.75rem;
  color: var(--text);
  animation: folio-rise 1s ease 0.08s both;
}

.folio-hero-lead {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 0.98rem;
  animation: folio-rise 1.05s ease 0.16s both;
}

@keyframes folio-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.folio-hero-stage {
  margin-top: 1.6rem;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  position: relative;
}

.folio-hero-stage img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
}

.folio-hero-stage::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 35%;
  background: linear-gradient(transparent, rgba(7, 26, 24, 0.85));
  pointer-events: none;
}

/* —— 通用区块 —— */
.folio-section {
  padding: 2.2rem 0;
}

.folio-section + .folio-section {
  border-top: 1px solid var(--line);
}

.folio-kicker {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 0.4rem;
}

.folio-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4.5vw, 2.1rem);
  margin: 0 0 0.75rem;
  font-weight: 400;
  color: var(--sand);
}

.folio-section h3 {
  font-size: 1.12rem;
  margin: 1.4rem 0 0.55rem;
  color: var(--glaze);
  font-weight: 700;
}

.folio-prose p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.97rem;
}

.folio-prose a {
  border-bottom: 1px dashed rgba(184, 232, 216, 0.45);
}

/* 图文交替 */
.folio-split {
  display: grid;
  gap: 1.25rem;
  align-items: center;
}

@media (min-width: 800px) {
  .folio-split {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2rem;
  }
  .folio-split.is-flip {
    direction: rtl;
  }
  .folio-split.is-flip > * {
    direction: ltr;
  }
}

.folio-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-soft);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

.folio-frame img {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 520px;
  object-fit: cover;
  object-position: top center;
  margin-inline: auto;
}

@media (min-width: 800px) {
  .folio-frame img {
    aspect-ratio: 3 / 4;
  }
}

/* 卡片矩阵 */
.folio-mosaic {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.2rem;
}

@media (min-width: 640px) {
  .folio-mosaic {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .folio-mosaic {
    grid-template-columns: repeat(3, 1fr);
  }
}

.folio-tile {
  padding: 1.15rem 1.1rem;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(184, 232, 216, 0.1), rgba(255, 122, 89, 0.06));
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.folio-tile:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 122, 89, 0.45);
}

.folio-tile h3 {
  margin-top: 0;
  font-size: 1.05rem;
}

.folio-tile p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* 横幅图文条 */
.folio-ribbon {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (min-width: 720px) {
  .folio-ribbon {
    grid-template-columns: 1.2fr 1fr;
    align-items: stretch;
  }
}

.folio-ribbon-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  min-height: 200px;
}

.folio-ribbon-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  min-height: 220px;
}

.folio-ribbon-body {
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius);
  background: var(--mist);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.folio-ribbon-body h3 {
  margin-top: 0;
}

.folio-ribbon-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

/* 引用条 */
.folio-quote {
  margin: 1.5rem 0;
  padding: 1.2rem 1.3rem;
  border-left: 3px solid var(--coral);
  background: linear-gradient(90deg, rgba(255, 122, 89, 0.12), transparent);
  border-radius: 0 14px 14px 0;
  color: var(--sand);
  font-size: 1.02rem;
}

/* breadcrumb */
.folio-crumb {
  padding: 1rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.folio-crumb a {
  color: var(--glaze-dim);
}

.folio-crumb span {
  opacity: 0.5;
  margin: 0 0.35rem;
}

/* 法律页 */
.folio-legal {
  padding-bottom: 3rem;
}

.folio-legal h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  margin: 0.6rem 0 1rem;
  font-weight: 400;
}

.folio-legal h2 {
  font-family: var(--font-body);
  font-size: 1.2rem;
  margin: 1.8rem 0 0.6rem;
  color: var(--glaze);
}

.folio-legal p,
.folio-legal li {
  color: var(--muted);
  font-size: 0.95rem;
}

.folio-legal ul {
  padding-left: 1.2rem;
}

/* 错误页 */
.folio-error {
  min-height: 62vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 0;
}

.folio-error-code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 18vw, 7rem);
  line-height: 1;
  background: linear-gradient(135deg, var(--coral), var(--glaze));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0;
}

.folio-error h1 {
  font-size: 1.35rem;
  margin: 0.8rem 0;
}

.folio-error p {
  color: var(--muted);
  max-width: 28rem;
  margin: 0 auto 1.4rem;
}

.folio-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--coral), var(--coral-deep));
  color: #1a0f0c !important;
  font-weight: 700;
  font-size: 0.92rem;
}

.folio-btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--glaze) !important;
  margin-left: 0.5rem;
}

/* footer */
.folio-foot {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  padding: 2rem 0 5.5rem;
  background: rgba(0, 0, 0, 0.22);
}

.folio-foot-grid {
  display: grid;
  gap: 1.4rem;
}

@media (min-width: 720px) {
  .folio-foot-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.folio-foot h3 {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  color: var(--sand);
}

.folio-foot p,
.folio-foot a {
  color: var(--muted);
  font-size: 0.88rem;
}

.folio-foot ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.folio-copy {
  margin-top: 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: rgba(168, 196, 188, 0.7);
  text-align: center;
}

/* 列表点缀 */
.folio-checklist {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.folio-checklist li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.folio-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 3px rgba(255, 122, 89, 0.2);
}

/* 双栏文字 */
.folio-dual {
  display: grid;
  gap: 1rem;
}

@media (min-width: 800px) {
  .folio-dual {
    grid-template-columns: 1fr 1fr;
  }
}

.folio-panel {
  padding: 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(15, 47, 43, 0.45);
}

.folio-panel h3 {
  margin-top: 0;
}

/* 时间线 */
.folio-timeline {
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--line);
}

.folio-timeline li {
  position: relative;
  padding: 0 0 1.2rem 1.2rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.folio-timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 0.45rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--glaze);
}

.folio-timeline strong {
  display: block;
  color: var(--sand);
  margin-bottom: 0.25rem;
}