/* 糖心Vlog传媒资源库 - txvip.mom */
:root {
  --bg: #0b0b0f;
  --bg-elevated: #14141c;
  --bg-soft: #1a1a24;
  --border: #2a2a38;
  --text: #f2f2f5;
  --text-muted: #a0a0b0;
  --accent: #e11d48;
  --accent-hover: #fb2d5a;
  --accent-soft: rgba(225, 29, 72, 0.12);
  --radius: 10px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --max: 1160px;
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  min-height: 100vh;
}

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

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

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

ul,
ol {
  padding-left: 1.25rem;
}

h1,
h2,
h3,
h4 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

h3 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.75rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 11, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
  white-space: nowrap;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.logo span {
  background: linear-gradient(90deg, #fff, #fda4af);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  color: var(--text-muted);
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  font-size: 0.95rem;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  background: var(--accent-soft);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.25rem;
}

/* Hero */
.hero {
  position: relative;
  padding: 3.5rem 0 2.5rem;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(225, 29, 72, 0.18), transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(80, 40, 120, 0.2), transparent 45%),
    var(--bg);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: var(--accent-soft);
  color: #fda4af;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(225, 29, 72, 0.35);
}

.hero h1 {
  margin-bottom: 1rem;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  max-width: 36em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-hover);
}

.hero-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

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

/* Sections */
.section {
  padding: 2.5rem 0;
}

.section-alt {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-intro {
  max-width: 48em;
  margin-bottom: 1.5rem;
}

.section-head {
  margin-bottom: 1.5rem;
}

.section-head p {
  margin-top: 0.75rem;
  max-width: 46em;
}

/* Feature cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(225, 29, 72, 0.5);
  transform: translateY(-2px);
}

.feature-card h3 {
  margin-top: 0;
  color: #fff;
}

.feature-card p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 0.85rem;
}

/* Gallery / screenshots */
.shot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

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

.shot-item {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}

.shot-item:hover {
  transform: translateY(-3px);
  border-color: rgba(225, 29, 72, 0.45);
}

.shot-item img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
  background: #000;
}

.shot-item figcaption {
  padding: 0.75rem 0.9rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.shot-item figcaption strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
}

/* Two column content */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.split-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.split-media img {
  width: 100%;
  object-fit: cover;
  object-position: top;
  max-height: 640px;
}

.content-block {
  margin-bottom: 1.5rem;
}

.content-block ul li,
.prose ul li,
.prose ol li {
  color: var(--text-muted);
  margin-bottom: 0.45rem;
}

.prose {
  max-width: 52em;
}

.prose p,
.prose li {
  font-size: 1rem;
}

.toc {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0 2rem;
}

.toc h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.toc ol {
  margin: 0;
}

.toc a {
  color: var(--text-muted);
}

.toc a:hover {
  color: var(--accent);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 1.5rem;
}

.tag {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.tag:hover {
  border-color: var(--accent);
  color: var(--accent-hover);
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 0.85rem;
}

.faq-item {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
}

.faq-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.faq-item p {
  margin: 0;
}

/* Page hero (inner pages) */
.page-hero {
  padding: 2.5rem 0 1.5rem;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(225, 29, 72, 0.12), transparent 55%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}

.page-hero p {
  max-width: 40em;
}

.breadcrumb {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: var(--text-muted);
}

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

.page-content {
  padding: 2.5rem 0 3.5rem;
}

.page-content .prose h2:first-of-type {
  margin-top: 0;
}

/* Error pages */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.25rem;
}

.error-page .code {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.error-page h1 {
  margin-bottom: 0.75rem;
}

.error-page p {
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  background: #07070a;
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 1.5rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.footer-brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.footer-brand h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.footer-brand p {
  font-size: 0.9rem;
  margin: 0;
}

.footer-col h4 {
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col li {
  margin-bottom: 0.45rem;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .split,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .shot-grid,
  .shot-grid.cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-visual img {
    max-height: 420px;
  }
}

@media (max-width: 720px) {
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem;
    gap: 0.25rem;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    width: 100%;
    padding: 0.75rem 1rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .shot-grid,
  .shot-grid.cols-3 {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    padding: 2rem 0 1.5rem;
  }

  .header-inner {
    height: 56px;
  }

  .logo span {
    font-size: 0.95rem;
  }
}

@media (max-width: 420px) {
  .shot-grid,
  .shot-grid.cols-3 {
    grid-template-columns: 1fr;
  }
}