/* CopyFun · 拷贝漫画下载站 */
:root {
  --blue: #1e8fff;
  --blue-deep: #0a5ec4;
  --blue-soft: #e8f4ff;
  --ink: #121826;
  --ink-soft: #3d4759;
  --paper: #f7fafc;
  --white: #ffffff;
  --line: rgba(18, 24, 38, 0.08);
  --warn: #c45c1a;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(10, 94, 196, 0.16);
  /* 国内可访问系统字体，避免 Google Fonts 拖慢首屏（影响百度移动体验） */
  --font-display: "FZShuTi", "STXingkai", "华文行楷", "Songti SC", "STSong", serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --max: 1080px;
  --float-h: 72px;
}

*,
*::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 80% -10%, rgba(30, 143, 255, 0.22), transparent 60%),
    radial-gradient(900px 500px at 0% 20%, rgba(30, 143, 255, 0.12), transparent 55%),
    linear-gradient(180deg, #eef6ff 0%, var(--paper) 38%, #f4f7fb 100%);
  line-height: 1.7;
  padding-bottom: calc(var(--float-h) + 18px);
}

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

a {
  color: var(--blue-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(247, 250, 252, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(30, 143, 255, 0.28);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue-deep);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 42px 0 28px;
  min-height: min(88vh, 780px);
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(30, 143, 255, 0.16), transparent 45%),
    url("../img/logo.jpg") right 8% center / min(42vw, 360px) no-repeat;
  opacity: 0.18;
  pointer-events: none;
  animation: floatGlow 8s ease-in-out infinite;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  align-items: center;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
  animation: riseIn 0.7s ease both;
}

.hero-brand img {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero-brand h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: 0.04em;
}

.hero-brand span {
  display: block;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-soft);
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.hero h2 {
  margin: 0 0 10px;
  font-size: clamp(1.15rem, 3.6vw, 1.55rem);
  font-weight: 700;
  color: var(--ink);
  animation: riseIn 0.7s ease 0.08s both;
}

.hero-lead {
  margin: 0 0 22px;
  max-width: 34em;
  color: var(--ink-soft);
  font-size: 1.02rem;
  animation: riseIn 0.7s ease 0.16s both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  animation: riseIn 0.7s ease 0.24s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 14px;
  border: 0;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-android {
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  color: var(--white);
  box-shadow: 0 12px 28px rgba(30, 143, 255, 0.35);
}

.btn-ios {
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: 0 8px 20px rgba(18, 24, 38, 0.06);
}

.btn-ghost {
  background: transparent;
  color: var(--blue-deep);
  border: 1px solid rgba(30, 143, 255, 0.35);
}

.hero-phone {
  justify-self: center;
  width: min(100%, 280px);
  animation: phoneIn 0.9s ease 0.2s both;
}

.phone-frame {
  position: relative;
  border-radius: 28px;
  padding: 10px;
  background: linear-gradient(160deg, #1a2333, #2a3a55);
  box-shadow: var(--shadow);
}

.phone-frame img {
  border-radius: 20px;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  width: 100%;
}

.phone-frame::after {
  content: "";
  position: absolute;
  top: 16px;
  left: 50%;
  width: 72px;
  height: 8px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
}

/* Sections */
.section {
  padding: 56px 0;
}

.section-head {
  margin-bottom: 28px;
  max-width: 40em;
}

.section-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  letter-spacing: 0.03em;
}

.section-head p {
  margin: 0;
  color: var(--ink-soft);
}

.feature-list {
  display: grid;
  gap: 18px;
}

.feature-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.feature-item:last-child {
  border-bottom: 0;
}

.feature-ico {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-weight: 800;
  font-size: 1.1rem;
}

.feature-item h3 {
  margin: 0 0 4px;
  font-size: 1.08rem;
}

.feature-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.shots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.shots figure {
  margin: 0;
}

.shots img {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(18, 24, 38, 0.12);
  aspect-ratio: 9 / 16;
  object-fit: cover;
  background: var(--blue-soft);
  transition: transform 0.35s ease;
}

.shots img:hover {
  transform: translateY(-6px) scale(1.02);
}

.shots figcaption {
  margin-top: 8px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 16px;
}

.step {
  position: relative;
  padding: 18px 18px 18px 64px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 16px;
  top: 18px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  color: #fff;
  font-weight: 800;
}

.step h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.faq details {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq p {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

.related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.related a {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.9rem;
  text-decoration: none;
}

.related a:hover {
  border-color: rgba(30, 143, 255, 0.45);
  color: var(--blue-deep);
}

/* Breadcrumb */
.breadcrumb {
  padding: 12px 0 0;
  font-size: 0.86rem;
  color: #7a8499;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin: 0 8px;
  color: #b0b8c8;
}

.breadcrumb a {
  color: var(--ink-soft);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--blue-deep);
}

.breadcrumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.update-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 14px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 0.8rem;
  font-weight: 600;
}

.seo-intro {
  max-width: 46em;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.seo-intro p {
  margin: 0 0 12px;
}

.hot-search {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.hot-search a {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.86rem;
  text-decoration: none;
}

.hot-search a:hover {
  color: var(--blue-deep);
  border-color: rgba(30, 143, 255, 0.4);
}

.seo-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 12px;
  margin: 0 0 14px;
  font-size: 0.84rem;
}

.seo-cloud-label {
  color: #7a8499;
  font-weight: 600;
}

.seo-cloud a {
  color: var(--ink-soft);
  text-decoration: none;
}

.seo-cloud a:hover {
  color: var(--blue-deep);
  text-decoration: underline;
}

.page-content {
  padding: 12px 0 20px;
}

.page-content .prose {
  max-width: 42em;
}

.page-content h1 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.4rem);
}

.page-content .lead {
  color: var(--ink-soft);
  margin: 0 0 22px;
}

.prose h2 {
  margin: 28px 0 10px;
  font-size: 1.25rem;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose ul {
  padding-left: 1.2em;
}

.notice {
  margin: 20px 0;
  padding: 14px 16px;
  border-left: 4px solid var(--warn);
  background: rgba(196, 92, 26, 0.08);
  color: #7a3a12;
  border-radius: 0 12px 12px 0;
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  margin-top: 20px;
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.disclaimer {
  margin: 0 0 14px;
  padding: 16px 18px;
  border-radius: 14px;
  background: linear-gradient(90deg, rgba(196, 92, 26, 0.12), rgba(30, 143, 255, 0.08));
  border: 1px solid rgba(196, 92, 26, 0.28);
  color: #7a3a12;
  font-weight: 800;
  font-size: clamp(0.95rem, 3.2vw, 1.08rem);
  text-align: center;
  letter-spacing: 0.02em;
}

.stats {
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin: 0 0 12px;
}

.stats strong {
  color: var(--blue-deep);
  font-variant-numeric: tabular-nums;
}

.footer-meta {
  text-align: center;
  color: #7a8499;
  font-size: 0.85rem;
  margin: 0;
}

.footer-meta a {
  color: inherit;
}

/* Floating download bar */
.float-dl {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  transform: translateY(110%);
  transition: transform 0.35s ease;
  background: rgba(18, 24, 38, 0.92);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.18);
}

.float-dl.show {
  transform: translateY(0);
}

.float-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: var(--float-h);
}

.float-text {
  color: #dce6f5;
  font-size: 0.88rem;
  line-height: 1.35;
}

.float-text b {
  color: #fff;
  font-size: 0.98rem;
}

.float-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.float-actions .btn {
  min-height: 42px;
  padding: 0 14px;
  font-size: 0.92rem;
  border-radius: 12px;
}

/* Animations */
@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes phoneIn {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes floatGlow {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@media (min-width: 860px) {
  .hero-inner {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .feature-list {
    grid-template-columns: 1fr 1fr;
    gap: 8px 28px;
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }

  .shots {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .shots figcaption {
    display: none;
  }

  .float-text span {
    display: none;
  }

  .hero::before {
    background-position: right -20% center;
    opacity: 0.12;
  }
}

@media (max-width: 420px) {
  .cta-row .btn {
    flex: 1 1 100%;
  }

  .float-actions .btn-ios {
    display: none;
  }
}