/* 糖心Vlog视频中心 - tx02.lat */
:root {
  --brand: #d22c5f;
  --brand-deep: #9b1c45;
  --brand-soft: #ff6b93;
  --ink: #1a1216;
  --ink-soft: #4a3840;
  --muted: #7a6570;
  --paper: #fff7f9;
  --paper-2: #ffe8ef;
  --line: rgba(154, 40, 74, 0.14);
  --card: rgba(255, 255, 255, 0.78);
  --shadow: 0 18px 50px rgba(155, 28, 69, 0.12);
  --radius: 18px;
  --max: 1120px;
  --nav-h: 68px;
  --font-display: "ZCOOL XiaoWei", "STKaiti", "KaiTi", 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(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(255, 107, 147, 0.28), transparent 55%),
    radial-gradient(900px 420px at 95% 8%, rgba(214, 44, 95, 0.16), transparent 50%),
    linear-gradient(180deg, #fff5f8 0%, var(--paper) 38%, #fff 100%);
  line-height: 1.75;
  min-height: 100vh;
}

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

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

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

h1,
h2,
h3,
.brand-text {
  font-family: var(--font-display);
  line-height: 1.25;
  font-weight: 400;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(255, 247, 249, 0.86);
  border-bottom: 1px solid var(--line);
}

.nav-bar {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

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

.logo span {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: inline-block;
  padding: 8px 12px;
  color: var(--ink-soft);
  border-radius: 999px;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--brand-deep);
  background: rgba(214, 44, 95, 0.08);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: clamp(520px, 88vh, 760px);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: heroZoom 18s ease-in-out infinite alternate;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(26, 18, 22, 0.18) 0%, rgba(26, 18, 22, 0.42) 42%, rgba(26, 18, 22, 0.86) 100%),
    linear-gradient(90deg, rgba(155, 28, 69, 0.35), transparent 55%);
}

.hero-inner {
  padding: 48px 0 56px;
  max-width: 720px;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  margin: 0 0 14px;
  letter-spacing: 0.04em;
  animation: riseIn 0.9s ease both;
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  font-family: var(--font-body);
  font-weight: 600;
  animation: riseIn 0.9s ease 0.08s both;
}

.hero p {
  margin: 0 0 24px;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 34em;
  animation: riseIn 0.9s ease 0.16s both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  animation: riseIn 0.9s ease 0.24s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-soft), var(--brand));
  color: #fff;
  box-shadow: 0 10px 24px rgba(214, 44, 95, 0.35);
}

.btn-primary:hover {
  color: #fff;
  opacity: 0.94;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
}

/* Sections */
.section {
  padding: 72px 0;
}

.section-head {
  margin-bottom: 28px;
  max-width: 720px;
}

.section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  color: var(--brand-deep);
}

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

.section.alt {
  background:
    linear-gradient(180deg, rgba(255, 232, 239, 0.55), rgba(255, 255, 255, 0.2));
  border-block: 1px solid var(--line);
}

.feature-grid,
.category-grid,
.gallery-grid,
.article-grid {
  display: grid;
  gap: 18px;
}

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

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

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

.feature-item,
.category-item,
.gallery-item,
.content-panel,
.side-nav,
.prose,
.error-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.feature-item,
.category-item,
.gallery-item {
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-item:hover,
.category-item:hover,
.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 48px rgba(155, 28, 69, 0.16);
}

.feature-item img,
.category-item img,
.gallery-item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #f3d4de;
}

.feature-item .body,
.category-item .body,
.gallery-item .body {
  padding: 16px 18px 18px;
}

.feature-item h3,
.category-item h3,
.gallery-item h3 {
  margin: 0 0 8px;
  font-size: 1.28rem;
  color: var(--ink);
}

.feature-item p,
.category-item p,
.gallery-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Long content */
.rich-content {
  display: grid;
  grid-template-columns: 1.7fr 0.9fr;
  gap: 22px;
  align-items: start;
}

.content-panel,
.prose {
  padding: 28px 26px;
}

.content-panel h2,
.prose h1,
.prose h2 {
  margin-top: 0;
  color: var(--brand-deep);
}

.content-panel h3 {
  margin: 28px 0 10px;
  font-size: 1.35rem;
  color: var(--ink);
}

.content-panel p,
.prose p {
  margin: 0 0 16px;
  color: var(--ink-soft);
}

.content-panel ul,
.prose ul {
  margin: 0 0 16px;
  padding-left: 1.2em;
  color: var(--ink-soft);
}

.content-panel li + li,
.prose li + li {
  margin-top: 8px;
}

.side-nav {
  padding: 20px;
  position: sticky;
  top: calc(var(--nav-h) + 16px);
}

.side-nav h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
  color: var(--brand-deep);
}

.side-nav ol {
  margin: 0;
  padding-left: 1.2em;
  color: var(--ink-soft);
}

.side-nav a {
  display: inline;
}

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

.chip {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(214, 44, 95, 0.08);
  color: var(--brand-deep);
  font-size: 0.9rem;
  border: 1px solid var(--line);
}

.media-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
  align-items: center;
}

.media-split .copy h2 {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  color: var(--brand-deep);
}

.media-split .copy p {
  margin: 0 0 14px;
  color: var(--ink-soft);
}

.shot-stack {
  display: grid;
  gap: 12px;
}

.shot-stack img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.shot-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Page hero (inner pages) */
.page-hero {
  padding: 54px 0 28px;
}

.page-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--brand-deep);
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.92rem;
}

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

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

/* Error pages */
.error-wrap {
  min-height: calc(100vh - 180px);
  display: grid;
  place-items: center;
  padding: 48px 0;
}

.error-card {
  width: min(100%, 560px);
  padding: 36px 28px;
  text-align: center;
}

.error-card h1 {
  margin: 0 0 8px;
  font-size: 3.2rem;
  color: var(--brand);
}

.error-card p {
  margin: 0 0 20px;
  color: var(--ink-soft);
}

/* Footer */
.site-footer {
  margin-top: 40px;
  padding: 36px 0 28px;
  background: linear-gradient(180deg, #2a1520, #1a1216);
  color: rgba(255, 255, 255, 0.82);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}

.site-footer h3 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 1.2rem;
}

.site-footer p,
.site-footer li {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}

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

.site-footer li + li {
  margin-top: 8px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.82);
}

.site-footer a:hover {
  color: #ffb3c7;
}

.footer-bottom {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
}

.age-note {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  font-size: 0.82rem;
}

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

@keyframes heroZoom {
  from {
    transform: scale(1.02);
  }
  to {
    transform: scale(1.08);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

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

  .rich-content,
  .media-split,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .side-nav {
    position: static;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px 16px 16px;
    background: rgba(255, 247, 249, 0.97);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

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

  .hero {
    min-height: 78vh;
  }

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

  .section {
    padding: 52px 0;
  }

  .feature-grid,
  .gallery-grid,
  .category-grid,
  .shot-pair {
    grid-template-columns: 1fr;
  }

  .content-panel,
  .prose {
    padding: 22px 18px;
  }
}