/* ========== 0078 珊瑚红+奶油「温暖社区风」CSS ========== */

:root {
  --coral: #f97316;
  --coral-light: #fb923c;
  --coral-pale: #fed7aa;
  --coral-bg: #fff7ed;
  --cream: #FFF8F0;
  --cream-dark: #f5ebe0;
  --brown: #431407;
  --brown-light: #7c2d12;
  --gray: #9a8c80;
  --white: #ffffff;
  --shadow-soft: 0 4px 24px rgba(249, 115, 22, 0.12);
  --shadow-hover: 0 8px 32px rgba(249, 115, 22, 0.25);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 24px;
}

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

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--brown);
  background: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ========== Navbar ========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 248, 240, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 0.9rem 0;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}
.navbar .container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
}
.navbar .logo {
  font-size: 1.5rem; font-weight: 800;
  color: var(--coral); text-decoration: none;
  display: flex; align-items: center; gap: 0.5rem;
}
.navbar .logo span { color: var(--brown); font-weight: 300; font-size: 1rem; }
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a {
  color: var(--brown-light); text-decoration: none;
  font-weight: 500; font-size: 0.95rem;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--coral); }
.nav-links .user-icon {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--coral-pale); display: flex;
  align-items: center; justify-content: center;
  color: var(--coral); font-size: 1rem;
  transition: var(--transition); cursor: pointer;
}
.nav-links .user-icon:hover { background: var(--coral); color: #fff; }
.nav-links .btn-nav {
  background: var(--coral); color: #fff !important;
  padding: 0.55rem 1.6rem; border-radius: 50px;
  font-weight: 700; font-size: 0.9rem;
  transition: var(--transition);
}
.nav-links .btn-nav:hover { background: var(--coral-light); transform: translateY(-1px); }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 5px;
}
.hamburger span { display: block; width: 26px; height: 2px; background: var(--coral); transition: var(--transition); }

/* ========== Hero ========== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: var(--cream);
  padding: 6rem 2rem 4rem;
}
.hero .container {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}
.hero h1 {
  font-size: 3.2rem; font-weight: 800; line-height: 1.2;
  color: var(--brown); margin-bottom: 1.2rem;
}
.hero h1 .hl { color: var(--coral); }
.hero p { color: var(--gray); font-size: 1.1rem; margin-bottom: 2rem; line-height: 1.8; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  background: linear-gradient(135deg, var(--coral), var(--coral-light));
  color: #fff; padding: 0.85rem 2.2rem;
  border-radius: 50px; text-decoration: none;
  font-weight: 700; letter-spacing: 0.5px;
  transition: var(--transition); border: none; cursor: pointer;
  font-size: 1rem;
}
.btn-primary:hover { box-shadow: 0 6px 28px rgba(249, 115, 22, 0.4); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--coral);
  padding: 0.85rem 2.2rem; border-radius: 50px;
  text-decoration: none; font-weight: 700;
  border: 2px solid var(--coral); transition: var(--transition);
}
.btn-outline:hover { background: var(--coral); color: #fff; }
.hero-img-wrap {
  display: flex; justify-content: center; align-items: center;
}
.hero-img {
  width: 320px; height: 320px; border-radius: 50%;
  object-fit: cover; border: 5px solid var(--coral);
  box-shadow: 0 0 0 12px rgba(249, 115, 22, 0.1), 0 20px 50px rgba(0,0,0,0.1);
}

/* ========== Section Common ========== */
section { padding: 5rem 2rem; }
.section-tag {
  text-transform: uppercase; letter-spacing: 3px;
  font-size: 0.85rem; color: var(--coral);
  margin-bottom: 0.5rem; font-weight: 700;
}
.section-title {
  font-size: 2.4rem; font-weight: 800;
  color: var(--brown); margin-bottom: 0.8rem; line-height: 1.3;
}
.section-desc { color: var(--gray); font-size: 1.05rem; max-width: 560px; }

/* ========== Features ========== */
#features { background: var(--white); }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2rem; max-width: 1200px; margin: 3rem auto 0;
}
.feat-card {
  background: var(--white); border-radius: var(--radius);
  padding: 2.5rem 2rem; text-align: center;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}
.feat-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
}
.feat-card .feat-icon {
  font-size: 2.6rem; color: var(--coral);
  margin-bottom: 1.2rem;
}
.feat-card h3 { font-size: 1.25rem; color: var(--brown); margin-bottom: 0.7rem; font-weight: 700; }
.feat-card p { color: var(--gray); font-size: 0.95rem; line-height: 1.7; }

/* ========== Stats ========== */
#stats { background: var(--cream); text-align: center; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1rem; max-width: 900px; margin: 0 auto;
}
.stat-item {
  padding: 2rem 1rem; position: relative;
}
.stat-item:not(:last-child)::after {
  content: '~'; position: absolute; right: -0.5rem;
  top: 50%; transform: translateY(-50%);
  color: var(--coral-pale); font-size: 2rem;
  font-family: Georgia, serif;
}
.stat-num { font-size: 3rem; font-weight: 800; color: var(--coral); line-height: 1; margin-bottom: 0.5rem; }
.stat-label { color: var(--brown-light); font-size: 0.9rem; font-weight: 500; }

/* ========== Testimonials ========== */
#testimonials { background: var(--white); }
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2rem; max-width: 1000px; margin: 3rem auto 0;
}
.testi-card {
  background: var(--cream); border-radius: var(--radius);
  padding: 2.5rem 2rem; text-align: center;
  transition: var(--transition);
}
.testi-card:hover { box-shadow: var(--shadow-hover); }
.testi-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  object-fit: cover; margin: 0 auto 1rem;
  border: 3px solid var(--coral);
}
.testi-name { color: var(--brown); font-weight: 700; font-size: 1.05rem; margin-bottom: 0.3rem; }
.testi-stars { color: var(--coral); font-size: 0.9rem; margin-bottom: 1rem; }
.testi-text { color: var(--gray); font-size: 0.95rem; line-height: 1.7; font-style: italic; }

/* ========== FAQ ========== */
#faq { background: var(--cream); }
.faq-container { max-width: 750px; margin: 3rem auto 0; }
.faq-item {
  background: var(--white); border-radius: 16px;
  margin-bottom: 0.8rem; overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.faq-q {
  width: 100%; padding: 1.3rem 1.5rem; text-align: left;
  background: none; border: none; cursor: pointer;
  font-size: 1.05rem; font-weight: 600;
  color: var(--brown); display: flex;
  justify-content: space-between; align-items: center;
  transition: var(--transition); font-family: inherit;
}
.faq-q:hover { color: var(--coral); }
.faq-q i { color: var(--coral); font-size: 0.9rem; transition: transform 0.3s; }
.faq-q.active i { transform: rotate(45deg); }
.faq-q.active { background: var(--coral-bg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-a.open { max-height: 200px; padding: 0 1.5rem 1.3rem; background: var(--coral-bg); }
.faq-a p { color: var(--brown-light); font-size: 0.95rem; line-height: 1.8; }

/* ========== CTA ========== */
#cta {
  background: linear-gradient(135deg, var(--coral) 0%, #ea580c 100%);
  text-align: center; padding: 5rem 2rem;
}
#cta .section-title { color: #fff; }
#cta .section-desc { color: rgba(255,255,255,0.85); margin-left: auto; margin-right: auto; }
#cta .btn-primary {
  background: #fff; color: var(--coral);
  font-size: 1.1rem; padding: 1rem 2.8rem;
}
#cta .btn-primary:hover { box-shadow: 0 6px 30px rgba(255,255,255,0.3); }

/* ========== Footer ========== */
.footer {
  background: var(--cream-dark); padding: 3rem 2rem 2rem;
  color: var(--brown-light);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; max-width: 1200px; margin: 0 auto 2rem;
}
.footer h3 { color: var(--coral); font-size: 1.1rem; margin-bottom: 1rem; font-weight: 700; }
.footer a {
  color: var(--brown-light); text-decoration: none;
  transition: var(--transition); display: block;
  margin-bottom: 0.5rem; font-size: 0.9rem;
}
.footer a:hover { color: var(--coral); }
.footer-bottom {
  text-align: center; padding-top: 2rem;
  border-top: 1px solid rgba(249, 115, 22, 0.2);
  font-size: 0.85rem; max-width: 1200px; margin: 0 auto;
}

/* ========== Sub Pages ========== */
.download-hero {
  background: var(--cream); padding: 8rem 2rem 4rem; text-align: center;
}
.download-hero h1 { font-size: 2.6rem; color: var(--brown); margin-bottom: 0.8rem; }
.download-hero h1 span { color: var(--coral); }
.dl-cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem; max-width: 1000px; margin: -3rem auto 4rem;
  padding: 0 2rem; position: relative; z-index: 2;
}
.dl-card {
  background: #fff; border-radius: var(--radius);
  padding: 3rem 2rem; text-align: center;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}
.dl-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.dl-card .dl-icon { font-size: 3rem; color: var(--coral); margin-bottom: 1rem; }
.dl-card h3 { color: var(--brown); margin-bottom: 0.5rem; }
.club-hero { background: var(--cream); padding: 8rem 2rem 4rem; text-align: center; }
.club-hero h1 { font-size: 2.6rem; color: var(--brown); }
.club-hero h1 span { color: var(--coral); }
.contact-hero { background: var(--cream); padding: 8rem 2rem 4rem; text-align: center; }
.contact-hero h1 { font-size: 2.6rem; color: var(--brown); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; max-width: 1000px; margin: 3rem auto;
  padding: 0 2rem;
}
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: 1rem; margin-bottom: 1rem;
  border: 2px solid rgba(249, 115, 22, 0.15);
  border-radius: 12px; font-size: 1rem;
  font-family: inherit; background: var(--white);
  transition: var(--transition);
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: none; border-color: var(--coral);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.1);
}
.benefits-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem; max-width: 1200px; margin: 3rem auto; padding: 0 2rem;
}
.benefit-card {
  background: var(--white); border-radius: var(--radius);
  padding: 2rem; text-align: center; box-shadow: var(--shadow-soft);
  transition: var(--transition);
}
.benefit-card:hover { box-shadow: var(--shadow-hover); }
.benefit-card .benefit-icon { font-size: 2.4rem; color: var(--coral); margin-bottom: 1rem; }

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(255,248,240,0.98); padding: 1.5rem 2rem; gap: 1rem; backdrop-filter: blur(10px); }
  .nav-links.open { display: flex; }
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero h1 { font-size: 2.4rem; }
  .hero-btns { justify-content: center; }
  .hero-img { width: 240px; height: 240px; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:not(:last-child)::after { display: none; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .section-title { font-size: 2rem; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero-img { width: 180px; height: 180px; }
}