/* 糖心Vlog传媒 · tvlog.autos */
:root {
  --bg: #0b0b0f;
  --bg-soft: #14141c;
  --bg-card: #1a1a24;
  --text: #f2f2f5;
  --muted: #a8a8b8;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #ff4d4f;
  --accent-2: #ff8a3d;
  --grad: linear-gradient(135deg, #ffd54a 0%, #ff8a3d 45%, #c44dff 100%);
  --radius: 14px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --max: 1180px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
}

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

a {
  color: #ffb07a;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #fff;
}

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

/* 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(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
}

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

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

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
  display: block;
}

.menu-toggle .icon-close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 56px;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(196, 77, 255, 0.18), transparent 60%),
    radial-gradient(ellipse 70% 50% at 15% 80%, rgba(255, 138, 61, 0.15), transparent 55%),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 77, 79, 0.15);
  color: #ff8e8f;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.25;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 28px;
  max-width: 36em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}

.btn-primary {
  background: var(--grad);
  color: #1a0a08;
}

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

.hero-visual {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  animation: floatY 5s ease-in-out infinite;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

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

.reveal {
  animation: fadeUp 0.7s ease both;
}

/* Sections */
.section {
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.section-head {
  margin-bottom: 32px;
  max-width: 48em;
}

.section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
}

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

.section-muted {
  background: linear-gradient(180deg, rgba(20, 20, 28, 0.6), transparent);
}

/* Feature / category grids */
.grid-3,
.grid-4,
.grid-2 {
  display: grid;
  gap: 20px;
}

.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: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(255, 138, 61, 0.45);
  transform: translateY(-3px);
}

.card-media {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--bg-soft);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.card-body {
  padding: 16px 18px 20px;
}

.card-body h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

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

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 0.8rem;
}

/* Content prose */
.prose {
  color: #d8d8e2;
  font-size: 1.02rem;
}

.prose h2,
.prose h3 {
  color: var(--text);
  margin-top: 1.8em;
}

.prose p {
  margin: 0 0 1.1em;
}

.prose ul,
.prose ol {
  padding-left: 1.3em;
  color: var(--muted);
}

.prose li {
  margin-bottom: 0.55em;
}

.prose strong {
  color: #fff;
}

.internal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 20px 0;
}

.internal-links a {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.internal-links a:hover {
  color: #fff;
  border-color: rgba(255, 138, 61, 0.5);
}

/* Showcase strip */
.shot-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.shot-strip .shot {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.shot-strip .shot img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}

/* Info boxes */
.info-box {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 24px 0;
}

.info-box h3 {
  margin: 0 0 10px;
}

.notice {
  background: rgba(255, 77, 79, 0.1);
  border: 1px solid rgba(255, 77, 79, 0.35);
  color: #ffc9c9;
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 20px 0;
  font-size: 0.95rem;
}

/* Page hero for subpages */
.page-hero {
  padding: 48px 0 24px;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

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

.breadcrumb {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

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

.content-wrap {
  padding: 40px 0 72px;
  max-width: 860px;
}

/* Error pages */
.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 60px 20px;
}

.error-page .code {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 12px;
}

.error-page h1 {
  margin: 0 0 12px;
}

.error-page p {
  color: var(--muted);
  margin: 0 0 28px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: #08080c;
  padding: 48px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.footer-brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.footer-brand p,
.footer-col p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 8px 0 0;
}

.footer-col h4 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.footer-col a {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: space-between;
}

/* Mobile */
@media (max-width: 960px) {
  .hero-grid,
  .footer-grid,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

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

  .hero {
    padding: 48px 0 40px;
  }
}

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

  .header-inner {
    position: relative;
    flex-wrap: nowrap;
    min-height: 60px;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 12px;
    background: rgba(11, 11, 15, 0.98);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    z-index: 120;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 10px 16px;
  }

  .hero-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .footer-grid,
  .shot-strip {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    max-width: 360px;
    margin-inline: auto;
  }

  .section {
    padding: 48px 0;
  }

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