/* 基础重置 */
*, *::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:#FFF9EF; color:#2B1B17; line-height:1.6; -webkit-font-smoothing:antialiased; }
::selection { background:#FF1744; color:#FFF9EF; }
::-webkit-scrollbar { width:10px; }
::-webkit-scrollbar-track { background:#FFF9EF; }
::-webkit-scrollbar-thumb { background:linear-gradient(135deg,#FF1744,#FF7043); border-radius:6px; }

/* 装饰性流动线条 */
body::before {
  content:''; position:fixed; top:0; left:0; width:100%; height:100%;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(255,23,68,0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(255,112,67,0.06) 0%, transparent 50%);
  pointer-events:none; z-index:0;
}

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; position:relative; z-index:1; }
.section { padding:100px 0; position:relative; }
.section:nth-child(even) { background:linear-gradient(180deg,#FFF4EA,#FFF9EF); }

/* ===== 导航 ===== */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(255,249,239,0.88); backdrop-filter:blur(18px) saturate(160%); border-bottom:1px solid rgba(255,23,68,0.12); box-shadow:0 1px 24px rgba(255,23,68,0.04); }
.site-header::after { content:''; position:absolute; bottom:-1px; left:0; width:100%; height:2px; background:linear-gradient(90deg, transparent, #FF1744, #FF7043, transparent); opacity:0.6; }
.header-inner { display:flex; align-items:center; justify-content:space-between; height:72px; max-width:1200px; margin:0 auto; padding:0 28px; }
.logo { display:flex; align-items:center; gap:10px; font-weight:900; font-size:1.4rem; text-decoration:none; color:#2B1B17; letter-spacing:-0.5px; }
.logo:hover .logo-icon { transform:rotate(8deg) scale(1.05); }
.logo-icon { width:40px; height:40px; border-radius:45% 55% 50% 50% / 55% 45% 55% 45%; background:linear-gradient(135deg,#FF1744,#FF7043); display:flex; align-items:center; justify-content:center; font-size:1.1rem; color:#fff; transition:all 0.35s cubic-bezier(0.34,1.56,0.64,1); box-shadow:0 4px 16px rgba(255,23,68,0.35); position:relative; }
.logo-icon::after { content:''; position:absolute; top:6px; left:10px; width:5px; height:5px; background:rgba(255,255,255,0.8); border-radius:50%; }
.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.92rem; font-weight:500; color:#4A3B35; position:relative; padding:4px 0; transition:all 0.3s; letter-spacing:0.3px; }
.main-nav a::after { content:''; position:absolute; bottom:0; left:50%; transform:translateX(-50%) scaleX(0); width:100%; height:2px; background:linear-gradient(90deg,#FF1744,#FF7043); border-radius:2px; transition:transform 0.35s cubic-bezier(0.34,1.56,0.64,1); }
.main-nav a:hover { color:#FF1744; }
.main-nav a:hover::after { transform:translateX(-50%) scaleX(1); }
.nav-cta { padding:9px 24px; border-radius:50px; background:linear-gradient(135deg,#FF1744,#FF7043); color:#fff!important; font-weight:700; box-shadow:0 4px 16px rgba(255,23,68,0.3); transition:all 0.3s!important; }
.nav-cta::after { display:none!important; }
.nav-cta:hover { transform:translateY(-1px) scale(1.03); box-shadow:0 8px 24px rgba(255,23,68,0.4); color:#fff!important; }
.menu-toggle { display:none; background:none; border:none; font-size:1.4rem; cursor:pointer; color:#FF1744; padding:8px; }

/* ===== Hero ===== */
.hero { min-height:90vh; display:flex; align-items:center; position:relative; overflow:hidden; background:linear-gradient(135deg, #FFF9EF 0%, #FFF3EA 100%); }
.hero::before { content:''; position:absolute; right:-120px; top:-80px; width:520px; height:520px; background:radial-gradient(circle, rgba(255,23,68,0.14) 0%, rgba(255,112,67,0.05) 40%, transparent 70%); border-radius:50%; filter:blur(30px); animation:blob-breathe 8s ease-in-out infinite; }
.hero::after { content:''; position:absolute; left:-100px; bottom:-60px; width:380px; height:380px; background:radial-gradient(circle, rgba(255,196,0,0.12) 0%, transparent 70%); border-radius:50%; filter:blur(24px); animation:blob-breathe 10s ease-in-out infinite reverse; }
@keyframes blob-breathe { 0%,100% { transform:scale(1) rotate(0deg); } 50% { transform:scale(1.08) rotate(4deg); } }
.hero-content { max-width:780px; position:relative; z-index:2; padding:120px 0 80px; }
.hero-eyebrow { display:inline-flex; align-items:center; gap:8px; font-size:0.82rem; font-weight:700; padding:6px 20px; border-radius:50px; margin-bottom:24px; background:#fff; color:#FF1744; letter-spacing:1px; text-transform:uppercase; box-shadow:0 2px 12px rgba(255,23,68,0.1); }
.hero-eyebrow::before { content:''; width:8px; height:8px; border-radius:55% 45% 50% 50%; background:linear-gradient(135deg,#FF1744,#FF7043); animation:drip-pulse 2s infinite; }
@keyframes drip-pulse { 0%,100% { transform:scale(1); box-shadow:0 0 0 0 rgba(255,23,68,0.4);} 50% { transform:scale(1.2); box-shadow:0 0 0 8px rgba(255,23,68,0);} }
.hero h1 { font-size:3.4rem; line-height:1.12; margin-bottom:24px; font-weight:900; letter-spacing:-1.5px; color:#2B1B17; }
.hero h1 .text-accent { position:relative; background:linear-gradient(135deg,#FF1744,#FF7043); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.hero h1 .text-accent::before { content:''; position:absolute; left:0; right:0; bottom:4px; height:6px; background:rgba(255,23,68,0.2); border-radius:4px; z-index:-1; }
.hero p { font-size:1.15rem; opacity:0.75; max-width:560px; margin-bottom:36px; line-height:1.8; color:#4A3B35; }
.hero-buttons { display:flex; gap:16px; flex-wrap:wrap; }

/* Hero水珠装饰 */
.hero .hero-drip {
  position:absolute; right:12%; top:50%; transform:translateY(-50%);
  width:280px; height:280px; background:linear-gradient(135deg, rgba(255,23,68,0.08), rgba(255,112,67,0.08));
  border-radius:38% 62% 60% 40% / 45% 40% 60% 55%;
  animation:blob-drift 12s ease-in-out infinite;
}
.hero .hero-drip::before {
  content:''; position:absolute; right:30px; top:20%; width:80px; height:80px;
  background:radial-gradient(circle, rgba(255,23,68,0.12), transparent 70%);
  border-radius:50%; filter:blur(6px);
}
@keyframes blob-drift { 0%,100% { transform:translateY(-50%) rotate(0deg) scale(1);} 50% { transform:translateY(-52%) rotate(10deg) scale(1.05);} }

/* ===== 按钮 ===== */
.btn { display:inline-flex; align-items:center; gap:10px; padding:14px 32px; border-radius:50px; font-weight:700; cursor:pointer; border:none; text-decoration:none; transition:all 0.35s cubic-bezier(0.34,1.56,0.64,1); font-size:0.95rem; letter-spacing:0.5px; position:relative; overflow:hidden; }
.btn-primary { background:linear-gradient(135deg,#FF1744,#FF7043); color:#fff!important; box-shadow:0 4px 20px rgba(255,23,68,0.35); }
.btn-primary::before { content:''; position:absolute; top:0; left:-100%; width:100%; height:100%; background:linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent); transition:left 0.5s; }
.btn-primary:hover { transform:translateY(-2px) scale(1.02); box-shadow:0 12px 32px rgba(255,23,68,0.45); }
.btn-primary:hover::before { left:100%; }
.btn-outline { background:rgba(255,249,239,0.9); border:2px solid #FF1744; color:#FF1744; }
.btn-outline:hover { background:#FF1744; color:#fff!important; transform:translateY(-2px); box-shadow:0 8px 24px rgba(255,23,68,0.3); }

/* ===== 标签/标题 ===== */
.section-label { display:inline-flex; align-items:center; gap:10px; font-size:0.8rem; font-weight:800; letter-spacing:3px; margin-bottom:16px; color:#FF1744; text-transform:uppercase; }
.section-label::before { content:''; width:28px; height:2px; background:linear-gradient(90deg,#FF1744,#FF7043); border-radius:2px; }
.section-title { font-size:2.4rem; margin-bottom:16px; font-weight:900; letter-spacing:-0.8px; color:#2B1B17; line-height:1.25; }
.section-desc { max-width:600px; opacity:0.72; margin-bottom:48px; font-size:1.05rem; line-height:1.8; color:#4A3B35; }

/* ===== 卡片网格 ===== */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; }
.category-card { border-radius:20px 20px 20px 4px; padding:32px; background:#fff; border:1px solid rgba(255,23,68,0.08); transition:all 0.4s cubic-bezier(0.34,1.56,0.64,1); position:relative; overflow:hidden; box-shadow:0 2px 12px rgba(43,27,23,0.04); }
.category-card::before { content:''; position:absolute; top:0; left:0; width:100%; height:4px; background:linear-gradient(90deg,#FF1744,#FF7043); transform:scaleX(0); transform-origin:left; transition:transform 0.5s cubic-bezier(0.34,1.56,0.64,1); }
.category-card::after { content:''; position:absolute; bottom:-40px; right:-40px; width:100px; height:100px; background:radial-gradient(circle, rgba(255,23,68,0.06), transparent 70%); border-radius:50%; transition:all 0.4s; }
.category-card:hover { transform:translateY(-6px); box-shadow:0 16px 40px rgba(255,23,68,0.12); border-color:rgba(255,23,68,0.18); }
.category-card:hover::before { transform:scaleX(1); }
.category-card:hover::after { transform:scale(1.6); }
.card-icon { width:52px; height:52px; border-radius:40% 60% 50% 50% / 55% 45% 55% 45%; background:linear-gradient(135deg, rgba(255,23,68,0.12), rgba(255,112,67,0.14)); display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.5rem; transition:all 0.35s; color:#FF1744; }
.category-card:hover .card-icon { transform:scale(1.08) rotate(-6deg); background:linear-gradient(135deg,#FF1744,#FF7043); color:#fff; box-shadow:0 6px 20px rgba(255,23,68,0.3); }
.category-card h3 { font-size:1.15rem; margin-bottom:10px; font-weight:800; color:#2B1B17; }
.category-card p { font-size:0.92rem; opacity:0.7; margin-bottom:18px; line-height:1.7; color:#4A3B35; }
.card-link { font-weight:700; font-size:0.85rem; text-decoration:none; color:#FF1744; display:inline-flex; align-items:center; gap:6px; transition:gap 0.3s; }
.card-link::after { content:'→'; transition:transform 0.3s; }
.card-link:hover { gap:12px; }
.card-link:hover::after { transform:translateX(2px); }

/* ===== 特性块 ===== */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:24px 24px 24px 8px; overflow:hidden; position:relative; box-shadow:0 12px 40px rgba(43,27,23,0.08); border:4px solid #fff; background:linear-gradient(135deg, #FFEDE3, #FFF9EF); }
.feature-image::before { content:''; position:absolute; top:-10px; right:-10px; width:60px; height:60px; background:linear-gradient(135deg,#FF1744,#FF7043); border-radius:50% 50% 20% 50%; opacity:0.15; }
.feature-image img { width:100%; height:100%; object-fit:cover; display:block; min-height:320px; }
.feature-text { padding:16px 0; }
.feature-text h3 { font-size:1.4rem; font-weight:800; margin-bottom:12px; color:#2B1B17; }
.feature-text p { opacity:0.72; line-height:1.8; margin-bottom:24px; color:#4A3B35; }
.feature-list { list-style:none; margin-top:16px; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:12px; font-size:0.95rem; color:#3A2B25; }
.feature-list li::before { content:'✓'; font-weight:900; color:#fff; background:linear-gradient(135deg,#FF1744,#FF7043); width:22px; height:22px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center; font-size:0.75rem; box-shadow:0 2px 8px rgba(255,23,68,0.25); flex-shrink:0; }

/* ===== 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:20px 20px 20px 4px; background:#fff; border:1px solid rgba(255,23,68,0.08); transition:all 0.4s; box-shadow:0 2px 12px rgba(43,27,23,0.04); }
.stat-item:hover { transform:translateY(-4px) rotate(0.5deg); box-shadow:0 16px 40px rgba(255,23,68,0.1); }
.stat-number { font-size:2.6rem; font-weight:900; background:linear-gradient(135deg,#FF1744,#FF7043); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; line-height:1.2; letter-spacing:-1px; }
.stat-label { font-size:0.9rem; opacity:0.65; margin-top:8px; font-weight:500; color:#4A3B35; }

/* ===== 内容墙 ===== */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; }
.content-wall-item { border-radius:20px 20px 20px 4px; overflow:hidden; background:#fff; border:1px solid rgba(255,23,68,0.06); transition:all 0.4s cubic-bezier(0.34,1.56,0.64,1); box-shadow:0 2px 12px rgba(43,27,23,0.04); }
.content-wall-item:hover { transform:translateY(-5px); box-shadow:0 20px 50px rgba(255,23,68,0.12); }
.content-wall-item img { width:100%; height:210px; object-fit:cover; display:block; border-bottom:3px solid transparent; transition:border-color 0.3s; }
.content-wall-item:hover img { border-bottom-color:#FF1744; }
.content-wall-body { padding:24px; }
.content-wall-body h4 { font-size:1.05rem; font-weight:800; margin-bottom:8px; color:#2B1B17; }
.content-wall-body p { font-size:0.89rem; opacity:0.68; line-height:1.7; color:#4A3B35; }

/* ===== FAQ ===== */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border:1px solid rgba(255,23,68,0.12); border-radius:16px; margin-bottom:12px; overflow:hidden; cursor:pointer; transition:all 0.3s; background:#fff; }
.faq-item:hover { border-color:rgba(255,23,68,0.3); box-shadow:0 4px 16px rgba(255,23,68,0.06); }
.faq-item .faq-question { padding:20px 24px; font-weight:700; display:flex; justify-content:space-between; align-items:center; color:#2B1B17; gap:16px; }
.faq-item .faq-question::after { content:'+'; font-size:1.5rem; font-weight:400; color:#FF1744; transition:transform 0.35s; flex-shrink:0; }
.faq-item .faq-answer { padding:0 24px 20px; display:none; opacity:0.75; line-height:1.8; color:#4A3B35; }
.faq-item.open { border-color:#FF1744; box-shadow:0 8px 24px rgba(255,23,68,0.1); }
.faq-item.open .faq-question { color:#FF1744; border-bottom:1px solid rgba(255,23,68,0.08); padding-bottom:16px; }
.faq-item.open .faq-question::after { transform:rotate(45deg); color:#FF1744; }
.faq-item.open .faq-answer { display:block; animation:fade-up 0.35s ease; }
@keyframes fade-up { from { opacity:0; transform:translateY(-6px);} to { opacity:0.75; transform:translateY(0);} }

/* ===== CTA横幅 ===== */
.cta-banner { padding:64px 48px; text-align:center; border-radius:32px 32px 32px 8px; background:linear-gradient(135deg,#FF1744,#FF7043); color:#fff; position:relative; overflow:hidden; box-shadow:0 20px 60px rgba(255,23,68,0.35); }
.cta-banner::before { content:''; position:absolute; top:-40%; right:-20%; width:400px; height:400px; background:rgba(255,255,255,0.08); border-radius:45% 55% 48% 52% / 50% 45% 55% 50%; animation:blob-drift 8s ease-in-out infinite; }
.cta-banner::after { content:''; position:absolute; bottom:-60%; left:-10%; width:350px; height:350px; background:rgba(255,255,255,0.05); border-radius:55% 45% 50% 50% / 45% 50% 50% 55%; animation:blob-drift 10s ease-in-out infinite reverse; }
.cta-banner h2 { color:#fff; font-size:2rem; font-weight:900; margin-bottom:12px; letter-spacing:-0.5px; position:relative; z-index:2; }
.cta-banner p { color:rgba(255,255,255,0.85); margin-bottom:28px; font-size:1.05rem; position:relative; z-index:2; }
.cta-banner .btn-primary { background:#fff; color:#FF1744!important; box-shadow:0 4px 16px rgba(0,0,0,0.15); position:relative; z-index:2; }
.cta-banner .btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,0,0,0.2); }
.cta-banner .btn-primary::before { background:linear-gradient(90deg, transparent, rgba(255,23,68,0.15), transparent); }

/* ===== 页脚 ===== */
.site-footer { padding:72px 0 28px; background:linear-gradient(180deg,#FFF9EF,#FFF3EA); border-top:3px solid transparent; border-image:linear-gradient(90deg,#FF1744,#FF7043) 1; position:relative; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand { }
.footer-brand .logo { margin-bottom:16px; }
.footer-brand p { font-size:0.92rem; opacity:0.65; line-height:1.8; color:#4A3B35; max-width:260px; }
.footer-col { }
.footer-col h4 { font-size:0.9rem; font-weight:800; margin-bottom:18px; color:#2B1B17; letter-spacing:1px; text-transform:uppercase; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:10px; }
.footer-col ul a { text-decoration:none; font-size:0.9rem; color:#4A3B35; opacity:0.75; transition:all 0.3s; display:inline-block; }
.footer-col ul a:hover { color:#FF1744; opacity:1; transform:translateX(4px); }
.footer-bottom { border-top:1px solid rgba(255,23,68,0.12); margin-top:48px; padding-top:24px; text-align:center; font-size:0.85rem; color:#4A3B35; opacity:0.6; }

/* ===== 工具类 ===== */
.text-accent { background:linear-gradient(135deg,#FF1744,#FF7043); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; font-weight:900; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.72; line-height:1.8; color:#4A3B35; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ===== 额外品牌细节 ===== */
.brand-marquee {
  background:linear-gradient(135deg,#FF1744,#FF7043);
  padding:14px 0; overflow:hidden; white-space:nowrap; position:relative;
  box-shadow:0 4px 20px rgba(255,23,68,0.2);
  transform:rotate(-0.5deg);
}
.brand-marquee span {
  color:#fff; font-weight:800; font-size:0.95rem; letter-spacing:2px;
  text-transform:uppercase; display:inline-block; padding-left:100%;
  animation:marquee 20s linear infinite;
}
@keyframes marquee { 0% { transform:translateX(0);} 100% { transform:translateX(-100%);} }

.blob-demo {
  width:140px; height:140px; background:linear-gradient(135deg,#FF1744,#FF7043);
  border-radius:55% 45% 50% 50% / 45% 50% 55% 50%;
  box-shadow:0 16px 40px rgba(255,23,68,0.35);
  animation:blob-drift 6s ease-in-out infinite;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .hero h1 { font-size:2.2rem; }
  .section-title { font-size:1.8rem; }
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:16px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:72px; left:0; width:100%; background:rgba(255,249,239,0.98); padding:24px; gap:18px; box-shadow:0 12px 32px rgba(43,27,23,0.1); border-bottom:2px solid rgba(255,23,68,0.15); }
  .main-nav.open a { font-size:1.05rem; }
  .hero .hero-drip { display:none; }
  .cta-banner { padding:48px 24px; }
  .cta-banner h2 { font-size:1.5rem; }
  .section { padding:72px 0; }
}
@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; }
  .hero-buttons .btn { width:100%; justify-content:center; }
  .hero h1 { font-size:1.9rem; }
  .section-title { font-size:1.5rem; }
  .stat-item { padding:24px 16px; }
  .feature-image img { min-height:200px; }
}