/* ============================================================
   光影天堂 · 电影天堂网 — 设计系统
   Warm Cinema · Festival Editorial · Film-Strip Aesthetics
   ============================================================ */

/* ---------- 基础重置 ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #FAF5ED;
  --bg-alt: #F0EADF;
  --text: #1E322C;
  --teal: #207368;
  --teal-light: #2A9D8F;
  --coral: #D9635A;
  --gold: #E9B44C;
  --white: #FFFFFF;
  --shadow-soft: 0 6px 24px rgba(30,50,44,0.07);
  --shadow-lift: 0 16px 48px rgba(30,50,44,0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

p { margin-bottom: 1rem; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

::selection {
  background: var(--gold);
  color: var(--text);
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--teal), var(--coral));
  border-radius: 12px;
}

/* ---------- 核心布局 ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-alt);
  position: relative;
}

.section:nth-child(even)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 4px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, var(--coral), var(--gold));
}

/* ---------- 导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 245, 237, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(30, 50, 44, 0.08);
  transition: box-shadow 0.35s;
}

.site-header:hover {
  box-shadow: 0 4px 24px rgba(30, 50, 44, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--text);
  position: relative;
}

.logo::after {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  margin-left: 2px;
  animation: pulseDot 2.4s ease-in-out infinite;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--teal) 0%, var(--coral) 100%);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 16px rgba(32, 115, 104, 0.3);
  flex-shrink: 0;
}

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

.main-nav a {
  position: relative;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  padding: 6px 2px;
  transition: color 0.3s;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--teal), var(--coral));
  transition: width 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.main-nav a:hover {
  color: var(--teal);
}

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

.nav-cta {
  background: var(--coral) !important;
  padding: 10px 24px !important;
  border-radius: 100px !important;
  color: var(--white) !important;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(217, 99, 90, 0.25);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
  margin-left: 4px;
}

.nav-cta::after { display: none; }

.nav-cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(217, 99, 90, 0.35);
  color: var(--white) !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  gap: 5px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: background 0.3s;
}

.menu-toggle:hover {
  background: rgba(30, 50, 44, 0.05);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 140px 0 80px;
  background:
    radial-gradient(circle at 18% 50%, rgba(217, 99, 90, 0.08), transparent 50%),
    radial-gradient(circle at 82% 22%, rgba(32, 115, 104, 0.1), transparent 45%),
    radial-gradient(circle at 60% 85%, rgba(233, 180, 76, 0.1), transparent 50%),
    radial-gradient(circle, rgba(32, 115, 104, 0.05) 1.5px, transparent 2px) 0 0 / 48px 48px,
    var(--bg);
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero::before {
  width: 400px;
  height: 400px;
  top: 8%;
  right: 5%;
  background: radial-gradient(circle, rgba(233, 180, 76, 0.18), transparent 70%);
  animation: floatSlow 10s ease-in-out infinite;
}

.hero::after {
  width: 450px;
  height: 450px;
  bottom: 5%;
  left: 3%;
  background: radial-gradient(circle, rgba(32, 115, 104, 0.14), transparent 70%);
  animation: floatSlow 14s ease-in-out infinite reverse;
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  padding: 6px 20px;
  border-radius: 100px;
  background: var(--gold);
  color: var(--text);
  margin-bottom: 24px;
  box-shadow: 0 4px 12px rgba(233, 180, 76, 0.3);
  text-transform: uppercase;
}

.hero-eyebrow::before {
  content: '★';
  font-size: 0.85rem;
  color: var(--text);
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--text);
}

.hero h1::after {
  content: '光影天堂 · 一触即达';
  display: block;
  font-size: 0.35em;
  letter-spacing: 0.12em;
  color: var(--coral);
  font-weight: 700;
  margin-top: 12px;
  text-transform: uppercase;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.72;
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.9;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

.hero-image {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  z-index: 2;
  background: var(--white);
  padding: 14px;
  box-shadow: var(--shadow-lift);
  transform: rotate(2deg);
  border: 1px solid rgba(30, 50, 44, 0.06);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-image:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 12px;
}

.hero-image::after {
  content: '▶';
  position: absolute;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--coral), #E8897A);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--white);
  box-shadow: 0 6px 18px rgba(217, 99, 90, 0.4);
  border: 3px solid var(--white);
  animation: pulseGlow 2.4s ease-in-out infinite;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-primary {
  background: var(--coral);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(217, 99, 90, 0.25);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(217, 99, 90, 0.38);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--teal);
  color: var(--teal);
}

.btn-outline:hover {
  background: var(--teal);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(32, 115, 104, 0.25);
}

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 16px;
  padding: 6px 18px;
  background: rgba(217, 99, 90, 0.08);
  border-radius: 100px;
  border: 1px solid rgba(217, 99, 90, 0.14);
}

.section-label::before {
  content: '◆';
  font-size: 0.6rem;
  color: var(--teal);
}

.section-title {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--text);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--coral), var(--gold));
  margin-top: 14px;
}

.text-center .section-title::after {
  margin: 14px auto 0;
}

.section-desc {
  max-width: 620px;
  font-size: 1.05rem;
  line-height: 1.85;
  opacity: 0.7;
  margin-bottom: 44px;
}

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

.category-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 30px;
  border: 1px solid rgba(30, 50, 44, 0.07);
  border-top: 4px solid var(--coral);
  box-shadow: var(--shadow-soft);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(145deg, rgba(233, 180, 76, 0.06), transparent 55%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s;
}

.category-card::after {
  content: '◆';
  position: absolute;
  top: 20px;
  right: 22px;
  font-size: 0.7rem;
  color: var(--coral);
  opacity: 0.3;
  transition: opacity 0.4s, transform 0.4s;
}

.category-card:nth-child(even) {
  border-top-color: var(--teal);
}

.category-card:nth-child(even)::after {
  color: var(--teal);
}

.category-card:nth-child(3n) {
  border-top-color: var(--gold);
}

.category-card:nth-child(3n)::after {
  color: var(--gold);
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lift);
  border-top-width: 5px;
}

.category-card:hover::before {
  opacity: 1;
}

.category-card:hover::after {
  opacity: 0.8;
  transform: rotate(90deg);
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--teal), var(--teal-light));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  box-shadow: 0 5px 16px rgba(32, 115, 104, 0.22);
  transition: transform 0.35s;
}

.category-card:nth-child(even) .card-icon {
  background: linear-gradient(135deg, var(--coral), #E8897A);
  box-shadow: 0 5px 16px rgba(217, 99, 90, 0.22);
}

.category-card:nth-child(3n) .card-icon {
  background: linear-gradient(135deg, var(--gold), #F0C973);
  box-shadow: 0 5px 16px rgba(233, 180, 76, 0.22);
}

.category-card:hover .card-icon {
  transform: scale(1.08) rotate(-5deg);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.category-card p {
  font-size: 0.9rem;
  opacity: 0.65;
  line-height: 1.7;
  margin-bottom: 16px;
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--teal);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.3s;
}

.card-link::after {
  content: '→';
  font-size: 1rem;
  transition: transform 0.3s;
}

.category-card:hover .card-link::after {
  transform: translateX(5px);
}

/* ---------- 特性块 ---------- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lift);
  transform: rotate(-1.8deg) scale(0.98);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: 6px solid var(--white);
}

.feature-block:nth-child(even) .feature-image {
  transform: rotate(1.8deg) scale(0.98);
}

.feature-image:hover {
  transform: rotate(0deg) scale(1);
}

.feature-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.feature-image::after {
  content: '播';
  position: absolute;
  bottom: 22px;
  right: 22px;
  width: 44px;
  height: 44px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text);
  box-shadow: 0 4px 14px rgba(233, 180, 76, 0.35);
  border: 2px solid var(--white);
}

.feature-text {
  padding: 8px 0;
}

.feature-text h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.feature-text p {
  opacity: 0.7;
  margin-bottom: 24px;
  line-height: 1.85;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  font-size: 0.95rem;
}

.feature-list li::before {
  content: '✓';
  font-weight: 900;
  background: var(--teal);
  color: var(--white);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(32, 115, 104, 0.25);
}

.feature-list li:nth-child(even)::before {
  background: var(--coral);
  box-shadow: 0 2px 8px rgba(217, 99, 90, 0.25);
}

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

.stat-item {
  padding: 36px 24px;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid rgba(30, 50, 44, 0.07);
  box-shadow: var(--shadow-soft);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(90deg, var(--coral), var(--gold));
  opacity: 0;
  transition: opacity 0.4s;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lift);
}

.stat-item:hover::before {
  opacity: 1;
}

.stat-number {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--teal) 0%, var(--coral) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-item:nth-child(even) .stat-number {
  background: linear-gradient(135deg, var(--coral) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.88rem;
  opacity: 0.62;
  margin-top: 8px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

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

.content-wall-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(30, 50, 44, 0.06);
  background: var(--white);
  box-shadow: var(--shadow-soft);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lift);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.content-wall-item:hover img {
  transform: scale(1.08);
}

.content-wall-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--coral), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s;
}

.content-wall-item:hover::after {
  transform: scaleX(1);
}

.content-wall-body {
  padding: 22px;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.content-wall-body p {
  font-size: 0.85rem;
  opacity: 0.62;
  line-height: 1.6;
  margin-bottom: 0;
}

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

.faq-item {
  background: var(--white);
  border: 1px solid rgba(30, 50, 44, 0.08);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.faq-item:hover {
  box-shadow: var(--shadow-soft);
  border-color: rgba(32, 115, 104, 0.15);
}

.faq-item.open {
  box-shadow: var(--shadow-soft);
  border-color: rgba(32, 115, 104, 0.25);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 1.02rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.3s;
}

.faq-item.open .faq-question {
  color: var(--teal);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--coral);
  transition: transform 0.35s;
  flex-shrink: 0;
  line-height: 1;
}

.faq-item.open .faq-question::after {
  transform: rotate(135deg);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.72;
  font-size: 0.95rem;
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeDown 0.35s ease;
}

/* ---------- CTA横幅 ---------- */
.cta-banner {
  padding: 72px 48px;
  text-align: center;
  border-radius: var(--radius-lg);
  color: var(--white);
  background: linear-gradient(135deg, var(--teal) 0%, #1B5A51 45%, var(--coral) 100%);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(32, 115, 104, 0.25);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -15%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -90%;
  left: -8%;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(233, 180, 76, 0.14);
}

.cta-banner h2 {
  color: var(--white);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  position: relative;
  z-index: 1;
  letter-spacing: -0.01em;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.92);
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background: var(--gold);
  color: var(--text);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: var(--white);
  transform: translateY(-3px);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 64px 0 28px;
  position: relative;
  background: var(--bg-alt);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: repeating-linear-gradient(
    90deg,
    var(--teal) 0 32px,
    transparent 32px 48px,
    var(--coral) 48px 80px,
    transparent 80px 96px,
    var(--gold) 96px 128px,
    transparent 128px 144px
  );
}

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

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.65;
  max-width: 260px;
  line-height: 1.75;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--teal);
  letter-spacing: 0.04em;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  padding: 4px 0;
}

.footer-col ul a {
  font-size: 0.9rem;
  opacity: 0.68;
  text-decoration: none;
  transition: all 0.3s;
  position: relative;
  padding-left: 0;
}

.footer-col ul a::before {
  content: '›';
  position: absolute;
  left: -6px;
  opacity: 0;
  transition: left 0.3s, opacity 0.3s;
  color: var(--coral);
  font-weight: 700;
}

.footer-col ul a:hover {
  color: var(--coral);
  opacity: 1;
  padding-left: 14px;
}

.footer-col ul a:hover::before {
  left: 0;
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(30, 50, 44, 0.1);
  margin-top: 40px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.84rem;
  opacity: 0.55;
  line-height: 1.6;
}

/* ---------- 工具类 ---------- */
.text-accent {
  color: var(--coral);
  font-weight: 700;
}

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

.seo-description {
  max-width: 640px;
  margin: 0 auto 48px;
  opacity: 0.7;
  text-align: center;
  font-size: 1.05rem;
  line-height: 1.85;
}

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

/* ---------- 动画 ---------- */
@keyframes floatSlow {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-24px) scale(1.05); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 6px 18px rgba(217, 99, 90, 0.4); }
  50% { box-shadow: 0 6px 32px rgba(217, 99, 90, 0.6); }
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.6; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.15); }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero {
    padding: 120px 0 60px;
  }
  
  .feature-block {
    gap: 44px;
  }
  
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 68px;
  }
  
  .main-nav {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(250, 245, 237, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 28px 24px;
    gap: 6px;
    box-shadow: 0 24px 48px rgba(30, 50, 44, 0.12);
    border-radius: 0 0 24px 24px;
    border-bottom: 1px solid rgba(30, 50, 44, 0.08);
  }
  
  .main-nav.open a {
    padding: 14px 8px;
    font-size: 1rem;
    border-radius: 8px;
  }
  
  .main-nav.open a:hover {
    background: rgba(32, 115, 104, 0.06);
  }
  
  .main-nav.open .nav-cta {
    margin-top: 8px;
    text-align: center;
  }
  
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 110px 24px 56px;
    gap: 40px;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .hero p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-image {
    transform: rotate(0deg);
    max-width: 340px;
    margin: 0 auto;
  }
  
  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .feature-image,
  .feature-block:nth-child(even) .feature-image {
    transform: rotate(0deg) scale(1);
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  
  .section {
    padding: 72px 0;
  }
  
  .cta-banner {
    padding: 56px 28px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 18px;
  }
  
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero h1 {
    font-size: 1.85rem;
  }
  
  .hero-eyebrow {
    letter-spacing: 0.12em;
    font-size: 0.75rem;
  }
  
  .section {
    padding: 56px 0;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .stat-item {
    padding: 24px 16px;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .category-card {
    padding: 24px;
  }
  
  .cta-banner {
    padding: 44px 20px;
    border-radius: 18px;
  }
  
  .cta-banner h2 {
    font-size: 1.5rem;
  }
  
  .faq-item .faq-question {
    padding: 16px 18px;
    font-size: 0.95rem;
  }
  
  .faq-item .faq-answer {
    padding: 0 18px 16px;
  }
  
  .footer-bottom {
    font-size: 0.78rem;
  }
}