*, *::before, *::after { box-sizing: border-box; }
      img, video { max-width: 100%; height: auto; display: block; }
      body { overflow-wrap: break-word; }

      html { scroll-behavior: smooth; }

      body {
        background-color: hsl(40 30% 98%);
        color: hsl(25 15% 25%);
        font-family: "Noto Sans SC", sans-serif;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
      }

      /* 极淡噪点，增加质感 */
      .grain::before {
        content: "";
        position: fixed;
        inset: 0;
        pointer-events: none;
        z-index: 100;
        opacity: 0.03;
        background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.8'/></svg>");
      }

      /* 滚动淡入 */
      .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
      }
      .reveal.is-visible {
        opacity: 1;
        transform: translateY(0);
      }

      /* Hero 渐变光晕 */
      .hero-blob {
        position: absolute;
        border-radius: 50%;
        filter: blur(80px);
        opacity: 0.5;
        pointer-events: none;
      }

      /* 路线卡片渐变占位图 - 清新版 */
      .route-img-1 {
        background:
          radial-gradient(circle at 25% 80%, hsl(150 40% 82%) 0%, transparent 55%),
          radial-gradient(circle at 75% 25%, hsl(40 60% 88%) 0%, transparent 55%),
          linear-gradient(160deg, hsl(40 50% 94%) 0%, hsl(150 30% 90%) 100%);
      }
      .route-img-2 {
        background:
          radial-gradient(circle at 50% 85%, hsl(20 85% 82%) 0%, transparent 45%),
          radial-gradient(circle at 20% 25%, hsl(200 40% 88%) 0%, transparent 55%),
          linear-gradient(180deg, hsl(200 40% 92%) 0%, hsl(35 70% 88%) 100%);
      }
      .route-img-3 {
        background:
          radial-gradient(circle at 50% 55%, hsl(0 70% 85%) 0%, transparent 50%),
          radial-gradient(circle at 80% 20%, hsl(40 50% 88%) 0%, transparent 50%),
          linear-gradient(135deg, hsl(0 50% 90%) 0%, hsl(35 45% 88%) 100%);
      }

      /* 画廊渐变色块 - 清新版 */
      .gallery-1 { background: linear-gradient(135deg, hsl(150 35% 85%), hsl(40 50% 92%)); }
      .gallery-2 { background: linear-gradient(160deg, hsl(200 35% 88%), hsl(35 60% 90%)); }
      .gallery-3 { background: linear-gradient(200deg, hsl(0 50% 88%), hsl(35 45% 92%)); }
      .gallery-4 { background: linear-gradient(45deg, hsl(45 55% 90%), hsl(20 50% 92%)); }
      .gallery-5 { background: linear-gradient(220deg, hsl(180 30% 88%), hsl(30 45% 92%)); }
      .gallery-6 { background: linear-gradient(180deg, hsl(340 40% 90%), hsl(30 50% 94%)); }
      .gallery-7 { background: linear-gradient(300deg, hsl(50 55% 88%), hsl(25 50% 92%)); }
      .gallery-8 { background: linear-gradient(90deg, hsl(210 35% 90%), hsl(20 70% 88%)); }

      /* 卡片 hover */
      .card-hover {
        transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
                    box-shadow 0.5s cubic-bezier(0.22, 1, 0.36, 1);
      }
      .card-hover:hover {
        transform: translateY(-6px);
        box-shadow: 0 20px 40px -15px hsl(25 20% 70% / 0.3);
      }

      /* 标签 */
      .tag {
        display: inline-block;
        padding: 0.35rem 0.9rem;
        font-size: 0.75rem;
        letter-spacing: 0.05em;
        border-radius: 999px;
        background: hsl(150 40% 94%);
        color: hsl(150 30% 40%);
      }
      .tag-peach {
        background: hsl(20 90% 94%);
        color: hsl(20 50% 50%);
      }
      .tag-pink {
        background: hsl(350 70% 96%);
        color: hsl(350 40% 50%);
      }
      .tag-outline {
        background: transparent;
        border: 1px solid hsl(30 15% 85%);
        color: hsl(25 10% 45%);
      }

      /* 按钮 */
      .btn-primary {
        position: relative;
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        padding: 0.95rem 2rem;
        background: hsl(150 30% 45%);
        color: hsl(0 0% 100%);
        font-weight: 500;
        letter-spacing: 0.05em;
        border: none;
        border-radius: 999px;
        cursor: pointer;
        overflow: hidden;
        transition: all 0.3s ease;
      }
      .btn-primary:hover {
        background: hsl(150 30% 40%);
        transform: translateY(-2px);
        box-shadow: 0 10px 25px -8px hsla(150, 30%, 45%, 0.4);
      }

      .btn-outline {
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        padding: 0.95rem 2rem;
        background: transparent;
        color: hsl(25 15% 25%);
        border: 1px solid hsl(30 15% 80%);
        border-radius: 999px;
        cursor: pointer;
        transition: all 0.3s ease;
      }
      .btn-outline:hover {
        border-color: hsl(150 30% 45%);
        color: hsl(150 30% 45%);
        background: hsl(150 40% 96%);
      }

      /* 分隔线装饰 */
      .deco-line {
        display: flex;
        align-items: center;
        gap: 1rem;
      }
      .deco-line::before,
      .deco-line::after {
        content: "";
        flex: 1;
        height: 1px;
        background: linear-gradient(90deg, transparent, hsl(30 15% 85%), transparent);
      }

      /* 画廊图片 hover */
      .gallery-item {
        overflow: hidden;
        position: relative;
        border-radius: 12px;
      }
      .gallery-item::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.2) 100%);
        opacity: 0;
        transition: opacity 0.4s ease;
      }
      .gallery-item:hover::after { opacity: 1; }
      .gallery-item .gallery-label {
        position: absolute;
        bottom: 1rem;
        left: 1rem;
        right: 1rem;
        color: white;
        font-size: 0.85rem;
        letter-spacing: 0.05em;
        opacity: 0;
        transform: translateY(10px);
        transition: all 0.4s ease;
        z-index: 2;
      }
      .gallery-item:hover .gallery-label {
        opacity: 1;
        transform: translateY(0);
      }

      /* 滚动进度条 */
      .scroll-progress {
        position: fixed;
        top: 0;
        left: 0;
        height: 2px;
        background: linear-gradient(90deg, hsl(150 35% 65%), hsl(20 85% 75%));
        z-index: 1999;
        width: 0%;
        transition: width 0.1s linear;
      }

      /* 导航栏 */
      .nav-blur {
        z-index: 2000;
        isolation: isolate;
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        background: rgba(252, 249, 244, 0.8);
        border-bottom: 1px solid rgba(0,0,0,0.04);
      }

      /* 浮动动画 */
      @keyframes float {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-12px); }
      }
      .float-slow { animation: float 6s ease-in-out infinite; }
      .float-slower { animation: float 8s ease-in-out infinite; animation-delay: -3s; }

      /* 价格卡片 */
      .price-card {
        position: relative;
        background: white;
        border: 1px solid hsl(30 15% 90%);
        border-radius: 16px;
        transition: all 0.4s ease;
      }
      .price-card:hover {
        border-color: hsl(150 35% 70%);
        transform: translateY(-4px);
        box-shadow: 0 16px 40px -12px hsl(25 20% 75% / 0.3);
      }
      .price-card.featured {
        border-color: hsl(150 35% 65%);
        background: linear-gradient(180deg, hsl(150 40% 97%) 0%, white 100%);
        box-shadow: 0 8px 30px -10px hsl(150 30% 60% / 0.25);
      }
      .price-card.featured::before {
        content: "人气推荐";
        position: absolute;
        top: -12px;
        left: 50%;
        transform: translateX(-50%);
        padding: 0.35rem 1rem;
        background: hsl(150 30% 45%);
        color: white;
        font-size: 0.7rem;
        font-weight: 600;
        letter-spacing: 0.15em;
        border-radius: 999px;
      }

      /* 微信二维码占位 */
      .wechat-qr {
        background:
          linear-gradient(45deg, hsl(25 15% 25%) 25%, transparent 25%),
          linear-gradient(-45deg, hsl(25 15% 25%) 25%, transparent 25%),
          linear-gradient(45deg, transparent 75%, hsl(25 15% 25%) 75%),
          linear-gradient(-45deg, transparent 75%, hsl(25 15% 25%) 75%),
          white;
        background-size: 12px 12px;
        background-position: 0 0, 0 6px, 6px -6px, -6px 0px;
      }

      /* 选择文本颜色 */
      ::selection {
        background: hsl(150 40% 80%);
        color: hsl(150 30% 25%);
      }

      /* 自定义滚动条 */
      ::-webkit-scrollbar { width: 6px; }
      ::-webkit-scrollbar-track { background: hsl(40 30% 96%); }
      ::-webkit-scrollbar-thumb { background: hsl(30 15% 82%); border-radius: 3px; }
      ::-webkit-scrollbar-thumb:hover { background: hsl(30 15% 72%); }

      /* 亮点卡片 */
      .feature-card {
        background: white;
        border: 1px solid hsl(30 15% 92%);
        border-radius: 16px;
        padding: 1.75rem;
        transition: all 0.4s ease;
      }
      .feature-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 16px 36px -12px hsl(25 20% 75% / 0.25);
        border-color: hsl(150 35% 80%);
      }
      .feature-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1rem;
      }

      /* 流程步骤 */
      .step-dot {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: "Noto Serif SC", serif;
        font-weight: 700;
        font-size: 1.1rem;
      }

      /* 抽象头像装饰 */
      .avatar-ring {
        position: relative;
      }
      .avatar-ring::before {
        content: "";
        position: absolute;
        inset: -8px;
        border-radius: 50%;
        border: 2px dashed hsl(150 35% 75%);
        animation: spin 20s linear infinite;
      }
      @keyframes spin {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
      }

      /* 闪烁光标 */
      .blink::after {
        content: "|";
        animation: blink 1.2s step-end infinite;
        color: hsl(150 30% 45%);
        margin-left: 2px;
      }
      @keyframes blink {
        0%, 50% { opacity: 1; }
        51%, 100% { opacity: 0; }
      }

      /* 路线卡片装饰元素 */
      .route-card {
        background: white;
        border: 1px solid hsl(30 15% 92%);
        border-radius: 20px;
        overflow: hidden;
        transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
      }
      .route-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 24px 50px -16px hsl(25 20% 70% / 0.3);
        border-color: hsl(150 35% 75%);
      }

      /* 引用块 */
      blockquote {
        border-left: 3px solid hsl(150 35% 65%);
        padding-left: 1.25rem;
        margin: 1.5rem 0;
      }

      section[id] {
        scroll-margin-top: 84px;
      }

      @media (prefers-reduced-motion: reduce) {
        html { scroll-behavior: auto; }
        *, *::before, *::after {
          animation-duration: 0.01ms !important;
          animation-iteration-count: 1 !important;
          transition-duration: 0.01ms !important;
        }
        .petals-container { display: none; }
      }