/* ============================================================
   影视工场 · 设计系统
   Style : Warm Darkroom Editorial
   Palette : Warm Paper / Vermilion / Amber / Deep Teal
   ============================================================ */

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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background:
    radial-gradient(rgba(45, 42, 38, 0.035) 1px, transparent 1px) 0 0 / 18px 18px,
    #FAF6EF;
  color: #2D2926;
  line-height: 1.6;
}

::selection {
  background: #E85D3F;
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #F2EBDF;
}
::-webkit-scrollbar-thumb {
  background: #E85D3F;
  border-radius: 6px;
  border: 2px solid #F2EBDF;
}

/* ---------- 核心布局 ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section:nth-child(even) {
  background: #F2EBDF;
}

/* ---------- 导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 246, 239, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(45, 42, 38, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.18rem;
  text-decoration: none;
  color: #2D2926;
  font-family: 'Songti SC', 'Noto Serif SC', 'SimSun', serif;
  letter-spacing: 0.02em;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 900;
  background: linear-gradient(135deg, #E85D3F, #D9543A);
  color: #fff;
  box-shadow: 3px 3px 0 #F4B41A;
  transform: rotate(-2deg);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: #2D2926;
  transition: color 0.2s, transform 0.2s;
  letter-spacing: 0.02em;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #E85D3F, #F4B41A);
  border-radius: 2px;
  transition: width 0.3s;
}

.main-nav a:hover {
  color: #E85D3F;
}
.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 9px 22px;
  border-radius: 100px;
  color: #fff !important;
  font-weight: 700;
  background: linear-gradient(135deg, #E85D3F, #F4B41A);
  box-shadow: 0 3px 10px rgba(232, 93, 63, 0.35);
  transition: transform 0.2s, box-shadow 0.2s !important;
}
.nav-cta::after {
  display: none;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 16px rgba(232, 93, 63, 0.45);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #2D2926;
  padding: 8px 10px;
  border-radius: 8px;
  line-height: 1;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  gap: 56px;
  padding: 120px 6vw 80px;
  position: relative;
  background:
    radial-gradient(ellipse at 85% 20%, rgba(244, 180, 26, 0.20) 0%, transparent 52%),
    radial-gradient(ellipse at 12% 90%, rgba(232, 93, 63, 0.13) 0%, transparent 45%),
    #FAF6EF;
  overflow: hidden;
}

.hero::before {
  content: 'SC-2024 ● ST.01';
  position: absolute;
  top: 100px;
  right: 20px;
  writing-mode: vertical-rl;
  font-size: 0.65rem;
  letter-spacing: 5px;
  color: rgba(42, 157, 143, 0.55);
  font-weight: 700;
  text-transform: uppercase;
}

.hero::after {
  content: '● REC 01:28:44:12';
  position: absolute;
  bottom: 26px;
  left: 8vw;
  font-family: ui-monospace, 'SF Mono', 'Menlo', monospace;
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: rgba(232, 93, 63, 0.65);
  font-weight: 700;
  animation: rec-blink 2s infinite;
}

@keyframes rec-blink {
  0%, 80%, 100% { opacity: 1; }
  85%, 95% { opacity: 0.35; }
}

.hero-content {
  flex: 1;
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  background: #2A9D8F;
  color: #fff;
  margin-bottom: 20px;
  box-shadow: 3px 3px 0 rgba(244, 180, 26, 0.55);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  line-height: 1.15;
  margin-bottom: 20px;
  font-family: 'Songti SC', 'Noto Serif SC', 'SimSun', serif;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.hero h1 .highlight {
  background: linear-gradient(120deg, rgba(244, 180, 26, 0.45) 0%, rgba(244, 180, 26, 0.45) 100%);
  background-repeat: no-repeat;
  background-size: 100% 0.34em;
  background-position: 0 88%;
  padding: 0 0.08em;
  color: #E85D3F;
}

.hero p {
  font-size: 1.05rem;
  opacity: 0.75;
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  flex: 1;
  border-radius: 2px;
  overflow: hidden;
  border: 8px solid #FFFBF4;
  box-shadow:
    12px 12px 0 rgba(42, 157, 143, 0.25),
    0 16px 40px rgba(45, 42, 38, 0.12);
  min-width: 260px;
}

.hero-image::after {
  content: 'REEL 01 ▶';
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(250, 246, 239, 0.92);
  padding: 4px 12px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: #E85D3F;
  border-radius: 2px;
  box-shadow: 0 2px 8px rgba(45, 42, 38, 0.1);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}

.btn-primary {
  background: linear-gradient(135deg, #E85D3F, #F4B41A);
  color: #fff !important;
  box-shadow: 0 5px 18px rgba(232, 93, 63, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 93, 63, 0.45);
}

.btn-outline {
  background: transparent;
  border: 2px solid #2A9D8F;
  color: #2A9D8F !important;
}
.btn-outline:hover {
  background: #2A9D8F;
  color: #fff !important;
  transform: translateY(-2px);
}

.btn:focus {
  outline: 3px solid rgba(244, 180, 26, 0.5);
  outline-offset: 2px;
}

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 12px;
  color: #2A9D8F;
  text-transform: uppercase;
}

.section-label::before {
  content: '／';
  color: #F4B41A;
  margin-right: 4px;
  font-weight: 900;
}

.section-title {
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  margin-bottom: 14px;
  font-family: 'Songti SC', 'Noto Serif SC', 'SimSun', serif;
  font-weight: 900;
  line-height: 1.25;
}

.section-title .highlight {
  background: linear-gradient(120deg, rgba(42, 157, 143, 0.25) 0%, rgba(42, 157, 143, 0.25) 100%);
  background-repeat: no-repeat;
  background-size: 100% 0.3em;
  background-position: 0 85%;
  padding: 0 0.06em;
  color: #2A9D8F;
}

.section-desc {
  max-width: 600px;
  opacity: 0.75;
  margin-bottom: 40px;
  line-height: 1.75;
}

/* ---------- 卡片网格 ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.category-card {
  background: #FFFBF4;
  border-radius: 2px;
  padding: 32px 28px 28px;
  border: 1px solid #E8E0D2;
  box-shadow: 6px 6px 0 rgba(42, 157, 143, 0.16);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    rgba(232, 93, 63, 0.8) 0 8px,
    transparent 8px 18px,
    rgba(244, 180, 26, 0.8) 18px 26px,
    transparent 26px 36px
  );
  opacity: 0;
  transition: opacity 0.3s;
}

.category-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(42, 157, 143, 0.28);
  border-color: #2A9D8F;
}
.category-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.35rem;
  background: linear-gradient(135deg, #FFF3DC, #FFE8BF);
  border: 2px solid #F4B41A;
  color: #E85D3F;
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: #E85D3F;
  transition: letter-spacing 0.2s;
}
.card-link::after {
  content: ' →';
  transition: margin-left 0.2s;
}
.card-link:hover {
  letter-spacing: 0.04em;
}

/* ---------- 特性块 ---------- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  position: relative;
  border-radius: 2px;
  overflow: visible;
}

.feature-image::before {
  content: '';
  position: absolute;
  top: 18px;
  left: -16px;
  right: 16px;
  bottom: -16px;
  border: 2px solid #F4B41A;
  border-radius: 2px;
  z-index: -1;
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
  border: 6px solid #FFFBF4;
  box-shadow: 0 12px 28px rgba(45, 42, 38, 0.14);
}

.feature-text {
  font-size: 1rem;
  line-height: 1.8;
}

.feature-list {
  list-style: none;
  margin-top: 16px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px dashed rgba(45, 42, 38, 0.12);
  font-weight: 500;
}
.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: '✓';
  font-weight: 900;
  color: #fff;
  background: #2A9D8F;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  flex-shrink: 0;
  box-shadow: 2px 2px 0 rgba(244, 180, 26, 0.5);
}

/* ---------- 数据条 ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 36px 20px;
  border-radius: 2px;
  background: #FFFBF4;
  border-top: 4px solid #E85D3F;
  box-shadow: 0 4px 14px rgba(45, 42, 38, 0.07);
  position: relative;
  transition: transform 0.25s, box-shadow 0.25s;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 22px rgba(45, 42, 38, 0.1);
}

.stat-item:nth-child(even) {
  border-top-color: #2A9D8F;
}
.stat-item:nth-child(3) {
  border-top-color: #F4B41A;
}

.stat-number {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 900;
  color: #E85D3F;
  font-family: 'Songti SC', 'Noto Serif SC', serif;
  line-height: 1.1;
}
.stat-number::after {
  content: '+';
  color: #F4B41A;
  font-size: 0.7em;
  margin-left: 2px;
}

.stat-item:nth-child(even) .stat-number {
  color: #2A9D8F;
}

.stat-label {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 8px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ---------- 内容墙 ---------- */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 2px;
  overflow: hidden;
  background: #FFFBF4;
  border: 6px solid #FFFBF4;
  box-shadow: 0 4px 16px rgba(45, 42, 38, 0.08);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}

.content-wall-item::before {
  content: '▶';
  position: absolute;
  top: 18px;
  left: 18px;
  width: 34px;
  height: 34px;
  background: rgba(232, 93, 63, 0.92);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  box-shadow: 0 4px 12px rgba(232, 93, 63, 0.4);
  z-index: 2;
  transition: transform 0.25s;
}

.content-wall-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(45, 42, 38, 0.14);
}
.content-wall-item:hover::before {
  transform: scale(1.12);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  border-radius: 1px;
}

.content-wall-body {
  padding: 20px 16px 16px;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #FFFBF4;
  border-radius: 2px;
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid #E8E0D2;
  box-shadow: 3px 3px 0 rgba(244, 180, 26, 0.22);
  cursor: pointer;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.faq-item:hover {
  border-color: #F4B41A;
}

.faq-item.open {
  border-color: #F4B41A;
  box-shadow: 6px 6px 0 rgba(244, 180, 26, 0.30);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.25s;
}

.faq-item.open .faq-question {
  color: #E85D3F;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: #E85D3F;
  font-weight: 500;
  line-height: 1;
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  content: '−';
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.75;
  line-height: 1.75;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeAnswer 0.3s ease;
}

@keyframes fadeAnswer {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 0.75;
    transform: translateY(0);
  }
}

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  padding: 64px 48px;
  text-align: center;
  border-radius: 4px;
  background: linear-gradient(135deg, #E85D3F 0%, #D9543A 45%, #F0A500 100%);
  color: #fff;
  box-shadow:
    12px 12px 0 #2A9D8F,
    0 16px 36px rgba(232, 93, 63, 0.35);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -45px;
  right: -45px;
  width: 140px;
  height: 140px;
  border: 3px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 180px;
  height: 180px;
  border: 3px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin-bottom: 12px;
  font-family: 'Songti SC', 'Noto Serif SC', serif;
  font-weight: 900;
  position: relative;
  z-index: 1;
}

.cta-banner .section-desc {
  color: rgba(255, 255, 255, 0.85);
  opacity: 1;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .section-label {
  color: #fff;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #E85D3F !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.cta-banner .btn-outline {
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff !important;
  position: relative;
  z-index: 1;
}
.cta-banner .btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 56px 0 28px;
  background: #F2EBDF;
  border-top: 3px solid #E85D3F;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 0;
  right: 0;
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    #E85D3F 0 4px,
    transparent 4px 16px,
    #F4B41A 16px 20px,
    transparent 20px 32px
  );
  pointer-events: none;
}

.site-footer .container {
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  opacity: 0.75;
  margin-top: 12px;
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: #2D2926;
  position: relative;
  padding-bottom: 6px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: #E85D3F;
  border-radius: 2px;
}

.footer-col a {
  text-decoration: none;
  color: rgba(45, 42, 38, 0.75);
  font-size: 0.9rem;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-col a:hover {
  color: #E85D3F;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(45, 42, 38, 0.14);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.7;
  letter-spacing: 0.5px;
}

/* ---------- 工具类 ---------- */
.text-accent {
  color: #E85D3F;
}

.text-center {
  text-align: center;
}

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.75;
  line-height: 1.8;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    gap: 40px;
    padding: 110px 24px 64px;
    text-align: center;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero::before {
    display: none;
  }

  .hero::after {
    left: 24px;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(250, 246, 239, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: 0 12px 28px rgba(45, 42, 38, 0.12);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    border-bottom: 2px solid #E85D3F;
  }

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

  .menu-toggle {
    display: flex;
  }

  .cta-banner {
    padding: 48px 28px;
    box-shadow:
      8px 8px 0 #2A9D8F,
      0 12px 28px rgba(232, 93, 63, 0.3);
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

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

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn {
    justify-content: center;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section {
    padding: 56px 0;
  }

  .cta-banner {
    padding: 40px 20px;
  }

  .cta-banner .btn {
    width: 100%;
    justify-content: center;
  }

  .stat-number {
    font-size: 1.8rem;
  }
}