  <style>
  /* 简化粒子系统 */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    animation: particlesFadeIn 1.5s ease-out 1s forwards;
}

@keyframes particlesFadeIn {
    to { opacity: 1; }
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    animation: particleFloat 6s ease-in-out infinite;
}

.particle.type-1 { 
    background: #00ffff; 
    box-shadow: 0 0 10px #00ffff; 
}
.particle.type-2 { 
    background: #ff6b6b; 
    box-shadow: 0 0 10px #ff6b6b; 
}
.particle.type-3 { 
    background: #4ecdc4; 
    box-shadow: 0 0 10px #4ecdc4; 
}
.particle.type-4 { 
    background: #ffd93d; 
    box-shadow: 0 0 10px #ffd93d; 
}

@keyframes particleFloat {
    0%, 100% { 
        transform: translateY(0px) translateX(0px) scale(1);
        opacity: 0.6;
    }
    50% { 
        transform: translateY(-30px) translateX(20px) scale(1.2);
        opacity: 1;
    }
}

/* 高贵版本徽章 */
.premium-badge {
  position: absolute;
    top: 30%;
    left: 32%;
    line-height: 1rem;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 30%, #ffd700 70%, #daa520 100%);
    color: #2c3e50;
    padding: 5px 10px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 0 0 1px rgba(218, 165, 32, 0.3);
    z-index: 10;
    opacity: 0;
    animation: badgeEntrance 1.5s ease-out 1s forwards, premiumGlow 4s ease-in-out 2.5s infinite;
}

@keyframes badgeEntrance {
    0% {
        opacity: 0;
        transform: translateY(-20px) scale(0.8);
    }
    70% {
        transform: translateY(2px) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes premiumGlow {
    0%, 100% { 
        box-shadow: 
            0 4px 15px rgba(255, 215, 0, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.5),
            0 0 0 1px rgba(218, 165, 32, 0.3);
    }
    50% { 
        box-shadow: 
            0 6px 25px rgba(255, 215, 0, 0.6),
            inset 0 1px 0 rgba(255, 255, 255, 0.7),
            0 0 0 2px rgba(218, 165, 32, 0.5);
    }
}

/* 标题特效 */
.enhanced-title .ce { 
    color: #ff6b6b;
    text-shadow: 0 0 15px rgba(255, 107, 107, 0.6);
    animation: ceGlow 2s ease-in-out infinite alternate;
}

@keyframes ceGlow {
    0% { 
        text-shadow: 0 0 10px rgba(255, 107, 107, 0.5);
    }
    100% { 
        text-shadow: 0 0 20px rgba(255, 107, 107, 0.8);
    }
}

/* 按钮增强效果 */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}



.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

/* 水波纹效果 */
.btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.6);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 按钮发光动画 */
.btn-primary:hover {
    box-shadow: 
        0 8px 25px rgba(67, 97, 238, 0.4),
        0 0 30px rgba(67, 97, 238, 0.6),
        inset 0 1px 0 rgba(255,255,255,0.2);
    transform: translateY(-2px);

    border-color: rgba(67, 97, 238, 0.5);
}
.btn-warning:hover {
    box-shadow: 
        0 8px 25px rgba(226,160,63, 0.4),
        0 0 30px rgba(226,160,63, 0.6),
        inset 0 1px 0 rgba(255,255,255,0.2);
    transform: translateY(-2px);

    border-color: rgba(226,160,63, 0.5);
}
/* 文字动效入场 */
.text-animate-left {
    opacity: 0;
    transform: translateX(-100px);
    animation: slideInLeft 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.5s forwards;
}

.text-animate-right {
    opacity: 0;
    transform: translateX(100px);
    animation: slideInRight 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.8s forwards;
}

.text-animate-top {
    opacity: 0;
    transform: translateY(-50px);
    animation: slideInTop 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards;
}

.text-animate-bottom {
    opacity: 0;
    transform: translateY(50px);
    animation: slideInBottom 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.1s forwards;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInTop {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInBottom {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 按钮容器动效 */
.buttons-animate {
    opacity: 0;
    transform: translateY(30px);
    animation: buttonsSlideUp 1s ease-out 1.4s forwards;
}

@keyframes buttonsSlideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 每个按钮依次出现 */
.btn-animate {
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    animation: buttonPop 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.btn-animate:nth-child(1) { animation-delay: 1.6s; }
.btn-animate:nth-child(2) { animation-delay: 1.8s; }
.btn-animate:nth-child(3) { animation-delay: 2.0s; }
.btn-animate:nth-child(4) { animation-delay: 2.2s; }

@keyframes buttonPop {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 鼠标跟随光效 */
.mouse-glow {
    position: fixed;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(67, 97, 238, 0.15) 0%, rgba(67, 97, 238, 0.05) 40%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
}

.mouse-glow.active {
    opacity: 1;
}




<!--quick search-->
.search {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: rgba(12, 15, 40, 0.95);
  backdrop-filter: blur(12px);
  font-family: 'Segoe UI', Roboto, sans-serif;
  text-align: center;
  color: #fff;
}

.search__related {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 2em;
  width: 70%;
  max-width: 1600px;
  margin-top: 3em;
  align-items: start;
}
.tools-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: repeat(3, 1fr);
  gap: 1.2em;
  height: fit-content;
}
.search__suggestion {
  background: rgba(30, 30, 60, 0.6);
  border-radius: 15px;
  padding: 1.5em;
  width: 100%;
  min-width: 280px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.search__suggestion:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}

.search__suggestion h3 {
  font-size: 1.5em;
  margin-bottom: 1em;
  color: #91ccff;
  letter-spacing: 0.5px;
}


.ext {
  width: 100%;
   background: linear-gradient(135deg, 
    rgba(40, 53, 101, 0.8) 0%,
    rgba(54, 69, 123, 0.7) 100%);
  border: 1px solid rgba(79, 172, 254, 0.3);
  border-radius: 12px;
  margin: 0.5em;
  padding: 0.75em 0.5em;

 color: #e3f2fd;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.ext::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(79, 172, 254, 0.2), 
    transparent);
  transition: left 0.5s ease;
}

.ext:hover::before {
  left: 100%;
}

.ext:hover {
  background: linear-gradient(135deg, 
    rgba(54, 69, 123, 0.9) 0%,
    rgba(68, 85, 140, 0.8) 100%);
  border-color: rgba(79, 172, 254, 0.6);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 172, 254, 0.2);
}

.ext h4 {
  color: #4fc3f7;
  font-size: 1.1em;

  text-shadow: 0 0 10px rgba(79, 195, 247, 0.5);
  font-weight: 600;
}

.set_1_btn {
  display: inline-block;
  margin: 4px;
  padding: 6px 8px;
  border-radius: 25px;
  background: linear-gradient(135deg, #4e54c8, #8f94fb);
  color: #fff;
  font-size: 1em;
  transition: all 0.25s ease-in-out;
  box-shadow: 0 4px 10px rgba(78, 84, 200, 0.3);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.set_1_btn:hover {
  background: linear-gradient(135deg, #8f94fb, #4e54c8);
  transform: scale(1.1);
}

.search__input {
  font-size: 3vw;
  color: #fff;
  background: transparent;
  border-bottom: 3px solid #91ccff;
  width: 75%;
  padding: 0.5em;
  text-align: center;
  transition: border-color 0.3s;
}

.search__input:focus {
  border-color: #f39c12;
  outline: none;
}

.search__info {
  text-align: center;
  font-size: 1em;
  margin-top: 1em;
  color: #91ccff;
}

.aaaa {
  background: linear-gradient(135deg, 
    rgba(30, 41, 79, 0.9) 0%,
    rgba(44, 62, 120, 0.8) 50%,
    rgba(28, 37, 75, 0.9) 100%);
  border: 1px solid rgba(100, 149, 237, 0.3);
  border-radius: 16px;
  padding: 1.5em;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.aaaa::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, 
    transparent 30%, 
    rgba(100, 149, 237, 0.1) 50%, 
    transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.aaaa:hover::before {
  opacity: 1;
}

.aaaa:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(100, 149, 237, 0.6);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.4),
    0 0 20px rgba(100, 149, 237, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
    cursor:pointer;
}
.search__suggestion.left-block {
  width: 100%;
  min-width: 300px;
  flex: none;
  max-width: 350px;
   background: linear-gradient(135deg, 
    rgba(25, 35, 70, 0.95) 0%,
    rgba(35, 45, 85, 0.9) 50%,
    rgba(20, 30, 65, 0.95) 100%);
  border: 1px solid rgba(79, 172, 254, 0.4);
  border-radius: 18px;
  padding: 2em;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(15px);
  box-shadow: 
    0 12px 35px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.tool-heading {
  font-size: 1.3em !important;
  margin-bottom: 0.8em !important;
  background: linear-gradient(45deg, #64b5f6, #42a5f5, #2196f3);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
}


.tool-description {
  color: rgba(255, 255, 255, 0.85) !important;
  font-size: 0.95em !important;
  line-height: 1.5 !important;
  margin: 0 !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}
@media screen and (max-width: 1200px) {
  .search__related {
    grid-template-columns: 1fr;
    gap: 1.5em;
  }
  
  .tools-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media screen and (max-width: 600px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
}


  </style>