/* 糖心Vlog txx.homes — Brand: dark + rose accent */
:root {
  --bg: #0a0a0c;
  --bg-2: #121218;
  --bg-3: #1a1a22;
  --text: #f2f2f5;
  --text-muted: #9a9aa8;
  --accent: #e83e6a;
  --accent-2: #ff6b8a;
  --accent-soft: rgba(232, 62, 106, 0.14);
  --line: rgba(255, 255, 255, 0.08);
  --radius: 12px;
  --max: 1120px;
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --display: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(232, 62, 106, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(255, 107, 138, 0.08), transparent 50%),
    linear-gradient(180deg, #0c0c10 0%, var(--bg) 40%, #08080a 100%);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #fff;
}

ul {
  list-style: none;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(10, 10, 12, 0.82);
  border-bottom: 1px solid var(--line);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

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

.logo span {
  background: linear-gradient(90deg, #fff, var(--accent-2));
  -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 0.75rem;
  border-radius: 8px;
  font-size: 0.92rem;
}

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

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  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;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-brand {
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.hero-brand em {
  font-style: normal;
  color: var(--accent);
}

.hero h1 {
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.45;
}

.hero-lead {
  color: var(--text-muted);
  font-size: 1.02rem;
  max-width: 36rem;
  margin-bottom: 1.5rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  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), #c9184a);
  color: #fff;
}

.btn-primary:hover {
  color: #fff;
  filter: brightness(1.08);
}

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

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

.hero-visual {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  animation: fadeUp 0.8s ease both;
}

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

.hero-badge {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  font-size: 0.85rem;
  border: 1px solid var(--line);
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section-head {
  margin-bottom: 1.75rem;
}

.section-head h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  margin-bottom: 0.5rem;
}

.section-head p {
  color: var(--text-muted);
  max-width: 42rem;
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
  border-block: 1px solid var(--line);
}

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

.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.feature-card:hover {
  border-color: rgba(232, 62, 106, 0.45);
  transform: translateY(-3px);
}

.feature-card img {
  width: 100%;
  aspect-ratio: 9 / 14;
  object-fit: cover;
  object-position: top;
}

.feature-card .body {
  padding: 1rem 1.1rem 1.2rem;
}

.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Category chips */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.cat-item {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s ease;
}

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

.cat-item img {
  width: 100%;
  aspect-ratio: 9 / 12;
  object-fit: cover;
  object-position: top;
}

.cat-item .label {
  padding: 0.7rem 0.85rem;
  font-size: 0.92rem;
  font-weight: 600;
}

/* Vlog strip */
.vlog-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.vlog-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-2);
}

.vlog-item img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: center;
}

.vlog-item figcaption {
  padding: 0.65rem 0.8rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* SEO article */
.seo-article {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(1.25rem, 3vw, 2.25rem);
}

.seo-article h2 {
  font-size: 1.45rem;
  margin: 1.75rem 0 0.85rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

.seo-article h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.seo-article h3 {
  font-size: 1.12rem;
  margin: 1.25rem 0 0.6rem;
  color: #fff;
}

.seo-article p {
  margin-bottom: 1rem;
  color: #d4d4dc;
}

.seo-article ul {
  margin: 0 0 1rem 1.1rem;
  list-style: disc;
  color: #d4d4dc;
}

.seo-article li {
  margin-bottom: 0.45rem;
}

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

.toc {
  background: var(--accent-soft);
  border: 1px solid rgba(232, 62, 106, 0.25);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin-bottom: 1.5rem;
}

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

.toc ol {
  margin-left: 1.1rem;
  color: var(--text-muted);
}

.toc a {
  color: var(--accent-2);
}

/* Page hero (inner pages) */
.page-hero {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
}

.page-hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: var(--text-muted);
}

.prose {
  max-width: 48rem;
  margin-bottom: 3rem;
}

.prose h2 {
  font-size: 1.25rem;
  margin: 1.75rem 0 0.75rem;
}

.prose p,
.prose li {
  color: #d4d4dc;
  margin-bottom: 0.85rem;
}

.prose ul {
  list-style: disc;
  margin-left: 1.2rem;
  margin-bottom: 1rem;
}

/* Error pages */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: 3rem 0;
}

.error-code {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), #fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.75rem;
}

.error-page h1 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.error-page p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: #070709;
  padding: 2.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.footer-brand span {
  color: var(--accent);
}

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

.site-footer a:hover {
  color: #fff;
}

.footer-col h4 {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile */
@media (max-width: 900px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(10, 10, 12, 0.96);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem;
    display: none;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.85rem 1rem;
  }

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

  .hero-visual {
    order: -1;
    max-width: 320px;
    margin-inline: auto;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: 2rem;
  }

  .vlog-strip {
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
  }
}