/* 糖心Vlog传媒 - txsite.lol */
:root {
  --bg: #0c0d10;
  --bg-soft: #14161c;
  --bg-card: #1a1d26;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f2f3f5;
  --muted: #9aa3b2;
  --accent: #e11d48;
  --accent-soft: #fb7185;
  --gold: #f5c542;
  --max: 1120px;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --font-display: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  --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 500px at 10% -10%, rgba(225, 29, 72, 0.18), transparent 55%),
    radial-gradient(900px 400px at 90% 0%, rgba(245, 197, 66, 0.08), transparent 50%),
    linear-gradient(180deg, #101218 0%, var(--bg) 40%, #090a0d 100%);
  line-height: 1.75;
  min-height: 100vh;
}

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

#ads img {
  max-width: 65px;
  height: 65px;
  object-fit: contain;
}

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

a:hover {
  color: #fff;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(12, 13, 16, 0.82);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover,
.nav a.active {
  color: #fff;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: #fff;
  border-radius: 10px;
  padding: 0.55rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
}

.menu-toggle-box {
  position: relative;
  display: block;
  width: 18px;
  height: 14px;
}

.menu-toggle-line {
  position: absolute;
  left: 0;
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform 0.25s ease, opacity 0.2s ease, top 0.25s ease;
}

.menu-toggle-line:nth-child(1) {
  top: 0;
}

.menu-toggle-line:nth-child(2) {
  top: 6px;
}

.menu-toggle-line:nth-child(3) {
  top: 12px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(3) {
  top: 6px;
  transform: rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 3.2rem 0 2.4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.25;
  font-weight: 400;
}

.hero-copy .lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 1.5rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #be123c);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: #fff;
}

.hero-visual {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  animation: floatIn 0.8s ease both;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
}

.hero-badge {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
}

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

/* Sections */
.section {
  padding: 2.8rem 0;
}

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

.section-head h2 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 400;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 46rem;
}

.kicker {
  display: inline-block;
  color: var(--gold);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

/* Cards / grids */
.grid-3,
.grid-4,
.grid-2 {
  display: grid;
  gap: 1.1rem;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
    var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(225, 29, 72, 0.35);
}

.card-media {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #000;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.45s ease;
}

.card:hover .card-media img {
  transform: scale(1.04);
}

.card-body {
  padding: 1rem 1.05rem 1.15rem;
}

.card-body h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.card-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.feature-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: center;
  margin: 1.6rem 0;
  padding: 1.2rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.feature-row.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.feature-row.reverse .feature-text {
  order: 2;
}

.feature-row img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  object-fit: cover;
  aspect-ratio: 3 / 4;
  object-position: top center;
}

.feature-text h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 400;
}

.feature-text p {
  margin: 0 0 0.85rem;
  color: var(--muted);
}

.prose {
  color: #d5dae3;
}

.prose h2,
.prose h3 {
  color: #fff;
  font-family: var(--font-display);
  font-weight: 400;
}

.prose p {
  margin: 0 0 1rem;
}

.prose ul,
.prose ol {
  margin: 0 0 1.2rem;
  padding-left: 1.2rem;
  color: var(--muted);
}

.prose li {
  margin-bottom: 0.45rem;
}

.prose a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1rem 0 0;
}

.chip {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.85rem;
}

.chip a {
  color: inherit;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.stat {
  padding: 1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  text-align: center;
}

.stat strong {
  display: block;
  font-size: 1.35rem;
  color: var(--gold);
  font-family: var(--font-display);
}

.stat span {
  color: var(--muted);
  font-size: 0.85rem;
}

.faq details {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.7rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: #fff;
}

.faq p {
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.page-hero {
  padding: 2.4rem 0 1rem;
}

.page-hero h1 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 400;
}

.page-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 42rem;
}

.breadcrumb {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 0.8rem;
}

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

.content-panel {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.4rem 1.5rem 1.6rem;
  margin-bottom: 2rem;
}

/* Error pages */
.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1rem;
}

.error-page h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 5.5rem);
  margin: 0;
  color: var(--accent-soft);
}

.error-page p {
  color: var(--muted);
  max-width: 28rem;
  margin: 0.8rem auto 1.5rem;
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: #08090c;
  padding: 2.2rem 0 1.6rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.site-footer h3 {
  margin: 0 0 0.7rem;
  font-size: 1rem;
}

.site-footer p,
.site-footer li {
  color: var(--muted);
  font-size: 0.92rem;
}

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

.site-footer li {
  margin-bottom: 0.4rem;
}

.copyright {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  color: #6b7280;
  font-size: 0.85rem;
  text-align: center;
}

.toc {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  margin: 1.2rem 0 1.6rem;
}

.toc strong {
  display: block;
  margin-bottom: 0.5rem;
}

.toc ol {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.toc a {
  color: var(--accent-soft);
  text-decoration: none;
}

.highlight-box {
  border-left: 3px solid var(--accent);
  background: rgba(225, 29, 72, 0.08);
  padding: 0.9rem 1rem;
  border-radius: 0 12px 12px 0;
  margin: 1.2rem 0;
  color: #e5e7eb;
}

@media (max-width: 960px) {
  .hero-grid,
  .feature-row,
  .feature-row.reverse,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-row.reverse .feature-text {
    order: 0;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 720px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.4rem 0 0.8rem;
  }

  .nav.open {
    display: flex;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 1.8rem;
  }

  .hero-visual img,
  .feature-row img {
    aspect-ratio: 3 / 4;
  }

  .card-media {
    aspect-ratio: 3 / 4;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}