/* 糖心Vlog 官网 - txvlogs.homes */
:root {
  --brand: #e11d48;
  --brand-dark: #be123c;
  --brand-soft: #fff1f2;
  --ink: #1c1917;
  --ink-soft: #44403c;
  --muted: #78716c;
  --line: #e7e5e4;
  --bg: #fafaf9;
  --bg-warm: linear-gradient(165deg, #fff1f2 0%, #fafaf9 42%, #f5f5f4 100%);
  --surface: #ffffff;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(28, 25, 23, 0.08);
  --max: 1120px;
  --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;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul {
  list-style: none;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

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

.nav a {
  color: var(--ink-soft);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.95rem;
}

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

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
}

/* Hero */
.hero {
  position: relative;
  min-height: clamp(420px, 72vh, 640px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(28, 25, 23, 0.15) 0%, rgba(28, 25, 23, 0.72) 100%),
    url("/featured.jpg") center/cover no-repeat;
  color: #fff;
}

.hero-inner {
  padding: 48px 0 56px;
  max-width: 720px;
  animation: rise 0.8s ease both;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  line-height: 1.15;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 600;
  margin-bottom: 14px;
  color: #ffe4e6;
}

.hero p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  max-width: 36em;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

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

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 20px rgba(225, 29, 72, 0.35);
}

.btn-primary:hover {
  background: var(--brand-dark);
  color: #fff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.24);
  color: #fff;
}

/* Sections */
.section {
  padding: 64px 0;
}

.section-alt {
  background: var(--bg-warm);
}

.section-head {
  margin-bottom: 32px;
  max-width: 720px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 10px;
  line-height: 1.3;
}

.section-head p {
  color: var(--ink-soft);
  font-size: 1.02rem;
}

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

.prose p {
  margin-bottom: 1.1em;
  text-align: justify;
}

.prose h2,
.prose h3 {
  color: var(--ink);
  font-family: var(--font-display);
  margin: 1.6em 0 0.7em;
  line-height: 1.35;
}

.prose h2 {
  font-size: 1.55rem;
}

.prose h3 {
  font-size: 1.25rem;
}

.prose ul {
  margin: 0 0 1.2em 1.2em;
  list-style: disc;
}

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

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

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.feature-item img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
  background: #f5f5f4;
}

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

.feature-item h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}

.feature-item p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Category chips / list */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.cat-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  color: inherit;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.cat-card:hover {
  transform: translateY(-3px);
  border-color: #fda4af;
  color: inherit;
}

.cat-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
}

.cat-card span {
  display: block;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 0.95rem;
}

/* Showcase row */
.showcase {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 36px;
  align-items: center;
}

.showcase.reverse {
  grid-template-columns: 1fr 1.05fr;
}

.showcase.reverse .showcase-media {
  order: 2;
}

.showcase-media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  animation: fadein 0.9s ease both;
}

.showcase-media img {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 560px;
  object-fit: cover;
  object-position: top;
}

.showcase-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  margin-bottom: 14px;
}

.showcase-copy p {
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.showcase-copy .links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 18px;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  counter-reset: step;
}

.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  position: relative;
}

.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-display);
  color: var(--brand);
  font-size: 1.4rem;
  display: block;
  margin-bottom: 10px;
}

.step h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.step p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 16px 18px;
  font-weight: 600;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item[open] summary {
  color: var(--brand-dark);
  border-bottom: 1px solid var(--line);
}

.faq-item p {
  padding: 14px 18px 18px;
  color: var(--ink-soft);
}

/* Page hero (inner pages) */
.page-hero {
  background: var(--bg-warm);
  border-bottom: 1px solid var(--line);
  padding: 48px 0 36px;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 10px;
}

.page-hero p {
  color: var(--ink-soft);
  max-width: 40em;
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 12px;
}

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

.content-wrap {
  padding: 48px 0 72px;
}

.content-wrap .prose {
  max-width: 820px;
}

/* Error pages */
.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 16px;
  background: var(--bg-warm);
}

.error-page .code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 7rem);
  color: var(--brand);
  line-height: 1;
  margin-bottom: 12px;
}

.error-page h1 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.error-page p {
  color: var(--ink-soft);
  margin-bottom: 24px;
}

/* Footer */
.site-footer {
  background: #1c1917;
  color: #d6d3d1;
  padding: 48px 0 28px;
}

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

.site-footer h3 {
  color: #fff;
  font-family: var(--font-display);
  margin-bottom: 14px;
  font-size: 1.15rem;
}

.site-footer p,
.site-footer a {
  color: #a8a29e;
  font-size: 0.95rem;
}

.site-footer a:hover {
  color: #fda4af;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-bottom {
  border-top: 1px solid #292524;
  padding-top: 18px;
  font-size: 0.88rem;
  color: #78716c;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: space-between;
}

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

.vlog-strip img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top;
  border-radius: 10px;
  border: 1px solid var(--line);
}

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

@keyframes fadein {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Mobile */
@media (max-width: 960px) {
  .feature-grid,
  .cat-grid,
  .steps,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .showcase,
  .showcase.reverse {
    grid-template-columns: 1fr;
  }

  .showcase.reverse .showcase-media {
    order: 0;
  }

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

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

  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 10px 16px 16px;
    gap: 4px;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 12px 14px;
  }

  .hero {
    min-height: 520px;
    align-items: flex-end;
  }

  .hero-inner {
    padding: 36px 0 40px;
  }

  .section {
    padding: 48px 0;
  }

  .feature-grid,
  .cat-grid,
  .steps,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-item img,
  .cat-card img,
  .showcase-media img,
  .vlog-strip img {
    max-height: 420px;
  }

  .cta-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}