/* 哔咔漫画 pi-ca.baby — 墨青珊瑚视觉体系 */
@import url("https://fonts.googleapis.com/css2?family=ZCOOL+KuaiLe&family=Noto+Serif+SC:wght@500;700&family=Noto+Sans+SC:wght@400;500;700&display=swap");

:root {
  --ink: #14202b;
  --ink-soft: #3a4a58;
  --mist: #eef7f4;
  --foam: #f7fcfa;
  --teal: #0c8f7c;
  --teal-deep: #066657;
  --teal-glow: #1ec4a8;
  --coral: #e85a45;
  --coral-soft: #ff8f7a;
  --sand: #d4ebe4;
  --glass: rgba(255, 255, 255, 0.55);
  --line: rgba(12, 143, 124, 0.18);
  --shadow: 0 18px 40px rgba(6, 102, 87, 0.12);
  --radius: 18px;
  --nav-h: 58px;
  --promo-h: 44px;
  --dock-h: auto;
  --font-brand: "ZCOOL KuaiLe", "Noto Sans SC", sans-serif;
  --font-display: "Noto Serif SC", serif;
  --font-body: "Noto Sans SC", sans-serif;
  --dl: "../%E5%AD%B5%E5%8C%96%E9%A1%B9%E7%9B%AEDY.html";
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(30, 196, 168, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(232, 90, 69, 0.12), transparent 50%),
    linear-gradient(180deg, #e8f6f2 0%, var(--foam) 28%, #f3faf8 100%);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: var(--teal-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

.pk-wrap {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

/* —— 顶部推广区（动态广告图标） —— */
.pk-promo {
  position: relative;
  z-index: 40;
  background: linear-gradient(90deg, #e8f7f3, #fff5f2);
  border-bottom: 1px solid var(--line);
  padding: 10px 0 6px;
}

.pk-promo-label {
  width: min(1100px, 92vw);
  margin: 0 auto 6px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.pk-ad-row {
  width: min(1100px, 94vw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px 6px;
  justify-items: center;
  padding-bottom: 4px;
}

.pk-ad-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 100%;
  max-width: 72px;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.2;
  text-align: center;
}

.pk-ad-chip img {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 6px 16px rgba(6, 102, 87, 0.14);
  background: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pk-ad-chip:hover {
  color: var(--teal-deep);
}

.pk-ad-chip:hover img {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 10px 22px rgba(6, 102, 87, 0.2);
}

.pk-ad-chip span {
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* —— 导航 —— */
.pk-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(16px);
  background: rgba(247, 252, 250, 0.82);
  border-bottom: 1px solid var(--line);
}

.pk-topbar-inner {
  width: min(1100px, 92vw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.pk-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.pk-brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(12, 143, 124, 0.25);
}

.pk-brand span {
  font-family: var(--font-brand);
  font-size: 22px;
  letter-spacing: 1px;
  background: linear-gradient(120deg, var(--teal-deep), var(--coral));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.pk-menu {
  display: flex;
  gap: 6px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pk-menu a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 10px;
  transition: background 0.2s, color 0.2s;
}

.pk-menu a:hover,
.pk-menu a.is-active {
  background: rgba(12, 143, 124, 0.1);
  color: var(--teal-deep);
}

.pk-nav-toggle {
  display: none;
  border: 0;
  background: rgba(12, 143, 124, 0.12);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  cursor: pointer;
  position: relative;
}

.pk-nav-toggle span,
.pk-nav-toggle span::before,
.pk-nav-toggle span::after {
  content: "";
  position: absolute;
  left: 11px;
  width: 20px;
  height: 2px;
  background: var(--teal-deep);
  border-radius: 2px;
}

.pk-nav-toggle span {
  top: 20px;
}

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

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

.pk-nav-drawer {
  display: none;
}

/* —— 滚动后固定下载导航（导航栏下方，不遮挡正文） —— */
.pk-dl-dock {
  position: sticky;
  top: var(--nav-h);
  z-index: 45;
  display: none;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(6, 102, 87, 0.08);
  padding: 8px 0 6px;
}

.pk-dl-dock.is-visible {
  display: block;
}

.pk-dl-dock .pk-ad-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pk-dl-dock .pk-ad-chip img {
  width: 48px;
  height: 48px;
  border-radius: 14px;
}

.pk-dl-dock .pk-ad-chip {
  font-size: 10px;
  max-width: 68px;
}

/* —— Hero —— */
.pk-hero {
  position: relative;
  min-height: calc(100svh - var(--nav-h) - var(--promo-h));
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.pk-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(238, 247, 244, 0.15) 0%, rgba(20, 32, 43, 0.55) 100%),
    url("shot-comic-serial.jpg") center / cover no-repeat;
  transform: scale(1.04);
  animation: pk-drift 18s ease-in-out infinite alternate;
}

@keyframes pk-drift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.1) translate3d(-1.5%, -1%, 0);
  }
}

.pk-hero-panel {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 48px 0 56px;
  color: #fff;
}

.pk-hero-panel h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 6vw, 46px);
  line-height: 1.25;
  margin: 0 0 14px;
  text-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  max-width: 16em;
}

.pk-hero-panel p {
  margin: 0;
  max-width: 34em;
  font-size: clamp(14px, 2.8vw, 17px);
  opacity: 0.95;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.pk-hero-mark {
  font-family: var(--font-brand);
  font-size: clamp(42px, 10vw, 72px);
  letter-spacing: 2px;
  margin-bottom: 8px;
  display: inline-block;
  animation: pk-rise 0.9s ease both;
}

@keyframes pk-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* —— 通用区块 —— */
.pk-section {
  padding: 56px 0;
}

.pk-section h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 30px);
  margin: 0 0 12px;
  color: var(--ink);
}

.pk-section h3 {
  font-family: var(--font-display);
  font-size: 18px;
  margin: 28px 0 10px;
  color: var(--teal-deep);
}

.pk-lead {
  color: var(--ink-soft);
  margin: 0 0 24px;
  max-width: 46em;
}

.pk-prose p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 15px;
}

.pk-prose p:last-child {
  margin-bottom: 0;
}

/* 图文交错 */
.pk-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 32px;
  align-items: center;
  margin: 36px 0;
}

.pk-split.reverse {
  direction: rtl;
}

.pk-split.reverse > * {
  direction: ltr;
}

.pk-shot {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
}

.pk-shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 196, 168, 0.12), transparent 40%);
  pointer-events: none;
}

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

.pk-shot.wide img {
  aspect-ratio: 16 / 10;
  max-height: 360px;
  object-position: center top;
}

/* 卡片阵列 */
.pk-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.pk-card {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 18px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 28px rgba(6, 102, 87, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s;
}

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

.pk-card h3 {
  margin-top: 0;
  font-size: 17px;
}

.pk-card p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.pk-card-ico {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 12px;
  background: linear-gradient(145deg, var(--teal-glow), var(--teal-deep));
  color: #fff;
  font-family: var(--font-brand);
  font-size: 18px;
}

/* 混排 mosaic */
.pk-mosaic {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
  margin: 28px 0;
}

.pk-mosaic-text {
  background: linear-gradient(160deg, rgba(12, 143, 124, 0.08), rgba(232, 90, 69, 0.06));
  border-radius: 22px;
  padding: 28px 24px;
  border: 1px solid var(--line);
}

.pk-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.pk-chip {
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--teal-deep);
}

/* 引用条 */
.pk-quote {
  margin: 36px 0;
  padding: 28px 24px;
  border-radius: 20px;
  background: linear-gradient(120deg, var(--teal-deep), #0a7a6a 60%, #c94d3c);
  color: #fff;
  box-shadow: var(--shadow);
}

.pk-quote p {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(16px, 3vw, 20px);
  line-height: 1.6;
}

/* 面包屑 */
.pk-crumb {
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.pk-crumb a {
  text-decoration: none;
  color: var(--teal);
}

.pk-crumb span {
  margin: 0 6px;
  opacity: 0.5;
}

/* 法律页 */
.pk-legal {
  padding: 24px 0 64px;
}

.pk-legal h1 {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 34px);
  margin: 8px 0 18px;
}

.pk-legal h2 {
  font-size: 20px;
  margin: 32px 0 10px;
  color: var(--teal-deep);
}

.pk-legal p,
.pk-legal li {
  color: var(--ink-soft);
  font-size: 15px;
}

.pk-legal ul {
  padding-left: 1.2em;
}

/* 错误页 */
.pk-error {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 16px;
}

.pk-error-code {
  font-family: var(--font-brand);
  font-size: clamp(72px, 18vw, 120px);
  line-height: 1;
  background: linear-gradient(120deg, var(--teal), var(--coral));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: pk-pulse 2.4s ease-in-out infinite;
}

@keyframes pk-pulse {
  0%,
  100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.15);
  }
}

.pk-error h1 {
  font-family: var(--font-display);
  margin: 8px 0 12px;
}

.pk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 18px;
  padding: 12px 22px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--teal), var(--teal-deep));
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(12, 143, 124, 0.28);
}

.pk-btn.coral {
  background: linear-gradient(120deg, var(--coral-soft), var(--coral));
  box-shadow: 0 10px 24px rgba(232, 90, 69, 0.28);
}

/* Footer */
.pk-footer {
  margin-top: 40px;
  padding: 40px 0 100px;
  background: linear-gradient(180deg, transparent, rgba(12, 143, 124, 0.08));
  border-top: 1px solid var(--line);
}

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

.pk-footer h3 {
  font-family: var(--font-display);
  font-size: 16px;
  margin: 0 0 12px;
}

.pk-footer a {
  display: block;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 14px;
  margin-bottom: 8px;
}

.pk-footer p {
  margin: 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.pk-copy {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-soft);
  text-align: center;
}

/* 动效出现 */
.pk-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.pk-reveal.is-in {
  opacity: 1;
  transform: none;
}

/* 时间线 */
.pk-timeline {
  position: relative;
  margin: 28px 0;
  padding-left: 22px;
}

.pk-timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(var(--teal-glow), var(--coral));
  border-radius: 2px;
}

.pk-tl-item {
  position: relative;
  margin-bottom: 22px;
  padding: 16px 18px;
  background: #fff;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.pk-tl-item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(232, 90, 69, 0.2);
}

.pk-feature-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 24px 0;
}

.pk-feature-band figure {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
}

.pk-feature-band img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
}

.pk-feature-band figcaption {
  padding: 10px 12px;
  font-size: 12px;
  color: var(--ink-soft);
}

/* 响应式 */
@media (max-width: 900px) {
  .pk-split,
  .pk-split.reverse,
  .pk-mosaic,
  .pk-footer-grid {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .pk-cards {
    grid-template-columns: 1fr;
  }

  .pk-feature-band {
    grid-template-columns: repeat(2, 1fr);
  }

  .pk-menu {
    display: none;
  }

  .pk-nav-toggle {
    display: inline-block;
  }

  .pk-nav-drawer {
    display: block;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(247, 252, 250, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    padding: 12px 16px 18px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: 0.22s ease;
  }

  .pk-nav-drawer.is-open {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .pk-nav-drawer a {
    display: block;
    padding: 12px 10px;
    text-decoration: none;
    color: var(--ink);
    border-radius: 10px;
  }

  .pk-nav-drawer a:hover {
    background: rgba(12, 143, 124, 0.08);
  }

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

  .pk-hero {
    min-height: 72svh;
  }
}

@media (min-width: 768px) {
  .pk-ad-row,
  .pk-dl-dock .pk-ad-row {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .pk-ad-chip img {
    width: 52px;
    height: 52px;
  }

  .pk-dl-dock .pk-ad-chip img {
    width: 44px;
    height: 44px;
  }
}