/* ALIBARBAR 9000 - 简洁高转化落地页 */

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

:root {
  --gold: #c9a961;
  --dark: #0a0a0a;
  --text: #ffffff;
  --text-dim: rgba(255, 255, 255, 0.7);
}

.text-gold {
  color: var(--gold);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

/* 导航栏 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  backdrop-filter: none;
  border-bottom: none;
  padding: 1.5rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

/* 滚动后添加背景 */
.header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201, 169, 97, 0.1);
}

.logo img {
  height: 32px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

.nav {
  display: flex;
  gap: 2rem;
  margin: 0 auto;
}

.nav a {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  transition: color 0.2s;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

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

.btn-header {
  padding: 0.7rem 1.5rem;
  background: var(--gold);
  color: #000;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 4px;
  transition: all 0.2s;
  box-shadow: 0 2px 10px rgba(201, 169, 97, 0.3);
}

.btn-header:hover {
  background: #d4b76f;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(201, 169, 97, 0.5);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s;
}

/* 首屏 */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 5%;
  overflow: hidden;
  background: #000 url('./assets/背景图电脑.png') center/cover no-repeat;
}

@media (max-width: 768px) {
  .hero {
    background-image: url('./assets/背景图手机端.png');
  }
}

.hero-bg-video {
  display: none;
}

.hero-bg-video.loaded {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-left {
  max-width: 600px;
}

.hero h1 {
  margin-bottom: 1.5rem;
  line-height: 1;
}

.brand {
  display: block;
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.model {
  display: block;
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gold);
  text-shadow: 0 4px 20px rgba(201, 169, 97, 0.6);
}

.tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
  line-height: 1.6;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-actions {
  margin-bottom: 3rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.2rem 2.5rem;
  background: var(--gold);
  color: #000;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 4px;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(201, 169, 97, 0.3);
}

.btn-primary:hover {
  background: #d4b76f;
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(201, 169, 97, 0.4);
}

.btn-large {
  padding: 1.4rem 3rem;
  font-size: 1.1rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  font-size: 0.95rem;
  padding: 0;
  background: transparent;
  backdrop-filter: none;
  border: none;
  border-radius: 0;
  max-width: max-content;
}

.hero-stats div {
  position: relative;
  padding-left: 1.5rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-stats div::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--gold);
  border-radius: 2px;
}

.hero-stats strong {
  color: var(--gold);
  font-weight: 600;
}

/* 产品设计展示 */
.product-design {
  padding: 10rem 5%;
  background: radial-gradient(ellipse at 50% 0%, rgba(201, 169, 97, 0.06) 0%, transparent 70%),
              #000;
  position: relative;
  overflow: hidden;
}

.product-design::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  border: 1px solid rgba(201, 169, 97, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.design-intro {
  text-align: center;
  margin-bottom: 6rem;
}

.design-badge {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background: rgba(201, 169, 97, 0.1);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
}

.design-intro h2 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 300;
  line-height: 1.2;
}

.design-showcase {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* 错位布局 - 更有创意 */
.design-item:nth-child(1) {
  grid-column: 1 / 7;
  grid-row: 1;
}

.design-item:nth-child(2) {
  grid-column: 7 / 13;
  grid-row: 1;
  margin-top: 4rem;
}

.design-item:nth-child(3) {
  grid-column: 1 / 7;
  grid-row: 2;
  margin-top: -2rem;
}

.design-item:nth-child(4) {
  grid-column: 7 / 13;
  grid-row: 2;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .design-showcase {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }

  .design-item:nth-child(1),
  .design-item:nth-child(2),
  .design-item:nth-child(3),
  .design-item:nth-child(4) {
    grid-column: 1 !important;
    grid-row: auto !important;
    margin-top: 0 !important;
  }
}

.design-item {
  position: relative;
  padding: 3rem;
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.03) 0%, transparent 100%);
  border: 1px solid rgba(201, 169, 97, 0.15);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.design-item:nth-child(1) { transition-delay: 0s; }
.design-item:nth-child(2) { transition-delay: 0.1s; }
.design-item:nth-child(3) { transition-delay: 0.2s; }
.design-item:nth-child(4) { transition-delay: 0.3s; }

.design-item::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  background: linear-gradient(135deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.5s;
  z-index: -1;
}

.design-item:hover::before {
  opacity: 0.1;
}

.design-item:hover {
  transform: translateY(-10px);
  border-color: var(--gold);
  box-shadow: 0 20px 60px rgba(201, 169, 97, 0.2);
}

.design-image {
  position: relative;
  margin-bottom: 2rem;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
  overflow: hidden;
}

.design-image img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  filter: drop-shadow(0 10px 30px rgba(201, 169, 97, 0.2));
  transition: transform 0.5s ease;
}

.design-item:hover .design-image img {
  transform: scale(1.05);
}

.design-number {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 3rem;
  font-weight: 700;
  color: var(--gold);
  opacity: 0.15;
  font-family: 'Arial Black', sans-serif;
  line-height: 1;
}

.design-info h3 {
  font-size: 1.5rem;
  color: var(--gold);
  margin-bottom: 0.8rem;
  font-weight: 600;
}

.design-info p {
  color: var(--text-dim);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* 口味展示 */
.flavours {
  padding: 8rem 5% 6rem;
  background: radial-gradient(ellipse at 30% 50%, rgba(201, 169, 97, 0.03) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(201, 169, 97, 0.02) 0%, transparent 40%),
              #000;
  position: relative;
}

.flavours::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.3;
}

.flavours::after {
  content: '';
  position: absolute;
  top: 10%;
  right: 5%;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(201, 169, 97, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

.flavours-header {
  text-align: center;
  margin-bottom: 5rem;
}

.flavours-header h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  margin-bottom: 1rem;
  color: var(--text);
}

.flavours-header p {
  color: var(--gold);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

/* 轮播容器 */
.carousel {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 80px;
}

.carousel::before,
.carousel::after {
  content: '';
  position: absolute;
  width: 1px;
  height: 60%;
  background: linear-gradient(180deg, transparent, rgba(201, 169, 97, 0.15), transparent);
  top: 20%;
}

.carousel::before {
  left: 30px;
}

.carousel::after {
  right: 30px;
}

.carousel-track-container {
  position: relative;
  height: 550px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-slide {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 350px;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--dark);
  border: 1px solid rgba(201, 169, 97, 0.2);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.6);
  pointer-events: none;
  z-index: 0;
}

/* 中间激活的slide */
.carousel-slide.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  border-color: var(--gold);
  box-shadow: 0 20px 60px rgba(201, 169, 97, 0.4);
  z-index: 3;
  pointer-events: auto;
}

/* 左边的slide */
.carousel-slide.prev {
  opacity: 0.5;
  transform: translate(calc(-50% - 280px), -50%) scale(0.75);
  z-index: 2;
}

/* 右边的slide */
.carousel-slide.next {
  opacity: 0.5;
  transform: translate(calc(-50% + 280px), -50%) scale(0.75);
  z-index: 2;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 左右箭头按钮 */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(201, 169, 97, 0.1);
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  z-index: 10;
  color: var(--gold);
}

.carousel-btn:hover {
  background: var(--gold);
  color: #000;
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn-prev {
  left: 0;
}

.carousel-btn-next {
  right: 0;
}

/* 计数器 */
.carousel-counter {
  text-align: center;
  margin-top: 3rem;
  font-size: 1.2rem;
  color: var(--text-dim);
}

.carousel-counter [data-current] {
  color: var(--gold);
  font-weight: 700;
  font-size: 1.5rem;
}

/* 产品特点 */
.features {
  padding: 8rem 5%;
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.02) 0%, transparent 50%, rgba(201, 169, 97, 0.02) 100%),
              radial-gradient(circle at 80% 20%, rgba(201, 169, 97, 0.05) 0%, transparent 40%),
              var(--dark);
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(201, 169, 97, 0.08);
  border-radius: 50%;
  transform: translateY(-50%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-item {
  padding: 4rem 2.5rem;
  text-align: center;
  border: 1px solid rgba(201, 169, 97, 0.15);
  border-right: none;
  background: rgba(0, 0, 0, 0.5);
  transition: all 0.4s;
  position: relative;
}

.feature-item:last-child {
  border-right: 1px solid rgba(201, 169, 97, 0.15);
}

.feature-item:hover {
  background: rgba(201, 169, 97, 0.05);
  transform: translateY(-5px);
  z-index: 2;
  border-color: var(--gold);
}

.feature-highlight {
  background: rgba(201, 169, 97, 0.08);
  border-color: var(--gold);
}

.feature-number {
  font-size: clamp(3.5rem, 8vw, 5rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.feature-label {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.feature-item p {
  color: var(--text-dim);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* 使用场景展示 */
.lifestyle {
  padding: 10rem 5%;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(201, 169, 97, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(201, 169, 97, 0.04) 0%, transparent 50%),
    #000;
  position: relative;
  overflow: hidden;
}

.lifestyle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.3;
}

.lifestyle-header {
  text-align: center;
  margin-bottom: 5rem;
}

.lifestyle-header h2 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.lifestyle-header p {
  color: var(--text-dim);
  font-size: 1.2rem;
  font-style: italic;
}

.lifestyle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.lifestyle-card {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.lifestyle-card:hover {
  transform: translateY(-10px);
}

/* 错位高度效果 */
.lifestyle-card:nth-child(2) {
  margin-top: 3rem;
}

.lifestyle-card:nth-child(4) {
  margin-top: 3rem;
}

.lifestyle-image {
  position: relative;
  width: 100%;
  aspect-ratio: 2/3;
  overflow: hidden;
}

.lifestyle-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.lifestyle-card:hover .lifestyle-image img {
  transform: scale(1.1);
}

.lifestyle-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem 1.5rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.7) 60%, transparent 100%);
  transform: translateY(0);
  transition: all 0.4s ease;
}

.lifestyle-card:hover .lifestyle-overlay {
  padding-bottom: 2.5rem;
}

.lifestyle-overlay h3 {
  font-size: 1.6rem;
  color: var(--gold);
  margin-bottom: 0.3rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.lifestyle-overlay p {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-style: italic;
  opacity: 0.8;
}

/* 订购区 - 分屏式设计 */
.order-section {
  padding: 10rem 5%;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(201, 169, 97, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(201, 169, 97, 0.08) 0%, transparent 60%),
    #000;
  position: relative;
  overflow: hidden;
}

.order-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.3;
}

.order-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.order-left {
  padding-right: 2rem;
}

.order-badge {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background: rgba(201, 169, 97, 0.1);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
}

.order-left h2 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 2.5rem;
}

.order-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.order-features li {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-dim);
  font-size: 1.05rem;
}

.order-features svg {
  flex-shrink: 0;
  stroke: var(--gold);
}

.order-right {
  padding-left: 2rem;
}

.order-cta-box {
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.08) 0%, rgba(201, 169, 97, 0.02) 100%);
  border: 1px solid rgba(201, 169, 97, 0.3);
  border-radius: 12px;
  padding: 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.order-cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.1) 0%, transparent 70%);
  animation: pulse-rotate 8s linear infinite;
  z-index: 0;
}

@keyframes pulse-rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.order-cta-text {
  position: relative;
  z-index: 1;
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.btn-whatsapp {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.2rem 3rem;
  background: var(--gold);
  color: #000;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 10px 40px rgba(201, 169, 97, 0.3);
  margin-bottom: 2rem;
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(201, 169, 97, 0.5);
  background: #d4b76f;
}

.btn-whatsapp svg {
  flex-shrink: 0;
}

.order-trust-badges {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 2rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.order-trust-badges span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* 页脚 */
.footer {
  padding: 2rem 5%;
  background: radial-gradient(ellipse at top, rgba(201, 169, 97, 0.03) 0%, transparent 50%),
              #000;
  text-align: center;
  border-top: 1px solid rgba(201, 169, 97, 0.1);
  color: var(--text-dim);
  font-size: 0.9rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  height: 150px;
  border: 1px solid rgba(201, 169, 97, 0.05);
  border-radius: 50%;
  pointer-events: none;
}

/* 浮动按钮 */
.float-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99;
  width: 60px;
  height: 60px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(201, 169, 97, 0.4);
  transition: all 0.3s;
}

.float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(201, 169, 97, 0.5);
}

.float-btn svg {
  color: #000;
}

/* 响应式 */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.98);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
    display: none;
    margin: 0;
  }

  .header.open .nav {
    display: flex;
  }

  .nav a {
    padding: 1rem 5%;
  }

  .btn-header {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .header.open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .header.open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  .header.open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero {
    padding: 0 5%;
    align-items: flex-end;
    padding-bottom: 6rem;
  }

  .hero-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.5) 50%, transparent 100%);
  }

  .hero-left {
    max-width: 100%;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 100%;
  }

  /* 移动端轮播调整 */
  .carousel {
    padding: 0 60px;
  }

  .carousel-track-container {
    height: 450px;
  }

  .carousel-slide {
    width: 280px;
    height: 400px;
    padding: 0.8rem;
  }

  .carousel-slide.active {
    transform: translate(-50%, -50%) scale(1);
  }

  .carousel-slide.prev {
    transform: translate(calc(-50% - 200px), -50%) scale(0.7);
  }

  .carousel-slide.next {
    transform: translate(calc(-50% + 200px), -50%) scale(0.7);
  }

  .carousel-btn {
    width: 45px;
    height: 45px;
  }

  .carousel-btn svg {
    width: 20px;
    height: 20px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-item {
    border-right: 1px solid rgba(201, 169, 97, 0.15);
    border-bottom: none;
  }

  .feature-item:last-child {
    border-bottom: 1px solid rgba(201, 169, 97, 0.15);
  }

  /* 产品设计响应式 */
  .product-design {
    padding: 6rem 5%;
  }

  .design-showcase {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .design-item:nth-child(1),
  .design-item:nth-child(2),
  .design-item:nth-child(3),
  .design-item:nth-child(4) {
    grid-column: 1;
    margin-top: 0 !important;
  }

  .design-item {
    padding: 2rem;
  }

  .design-image {
    height: 240px;
  }

  .design-number {
    font-size: 2rem;
    top: 1rem;
    right: 1rem;
  }

  /* 使用场景响应式 */
  .lifestyle {
    padding: 6rem 5%;
  }

  .lifestyle-header h2 {
    font-size: 2.5rem;
  }

  .lifestyle-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .lifestyle-card:nth-child(2),
  .lifestyle-card:nth-child(4) {
    margin-top: 0;
  }

  .lifestyle-image {
    aspect-ratio: 3/4;
  }

  .lifestyle-overlay h3 {
    font-size: 1.5rem;
  }

  /* 订购区响应式 */
  .order-split {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .order-left,
  .order-right {
    padding: 0;
  }

  .order-left h2 {
    font-size: 2rem;
  }

  .order-features {
    gap: 1rem;
  }

  .order-features li {
    font-size: 0.95rem;
  }

  .order-cta-box {
    padding: 2.5rem 2rem;
  }

  .btn-whatsapp {
    padding: 1rem 2rem;
    font-size: 1rem;
    width: 100%;
    justify-content: center;
  }

  .order-trust-badges {
    flex-direction: column;
    gap: 0.8rem;
  }

  .order-box {
    padding: 3rem 2rem;
  }

  .order-trust {
    flex-direction: column;
    gap: 1rem;
  }

  .float-btn {
    width: 55px;
    height: 55px;
    bottom: 1.5rem;
    right: 1.5rem;
  }

  .float-btn svg {
    width: 26px;
    height: 26px;
  }
}

@media (max-width: 480px) {
  .brand {
    font-size: 1.5rem;
  }

  .model {
    font-size: 3.5rem;
  }

  .btn-primary {
    width: 100%;
    justify-content: center;
  }
}

/* ========================================
   特效组件样式
   ======================================== */

/* 漂浮粒子容器 */
.particles-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

/* 单个粒子 */
.particle {
  position: absolute;
  bottom: -10px;
  width: 3px;
  height: 3px;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.6), transparent);
  border-radius: 50%;
  animation: float-up 20s infinite ease-in;
  opacity: 0;
}

@keyframes float-up {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(-100vh) translateX(calc(var(--drift, 50px) * 1));
    opacity: 0;
  }
}

.particle:nth-child(3n) {
  --drift: 30px;
}

.particle:nth-child(3n+1) {
  --drift: -40px;
}

.particle:nth-child(3n+2) {
  --drift: 20px;
}

/* 轮播产品脉冲光效 */
.pulse-glow {
  position: absolute;
  inset: 0;
  border-radius: 0;
  background: radial-gradient(ellipse at center, rgba(201, 169, 97, 0.2), transparent 60%);
  animation: pulse-breath 3s ease-in-out infinite;
  z-index: -1;
  pointer-events: none;
}

@keyframes pulse-breath {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.05);
  }
}

/* 流光线条 */
.flowing-line {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent,
    rgba(201, 169, 97, 0.5) 50%,
    transparent);
  animation: flow-across 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes flow-across {
  0% {
    left: -100%;
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    left: 100%;
    opacity: 0;
  }
}

/* 按钮蒸汽效果 */
.vapor-effect {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 30px;
  background: radial-gradient(ellipse at bottom, rgba(201, 169, 97, 0.4), transparent);
  animation: vapor-rise 1s ease-out forwards;
  pointer-events: none;
}

@keyframes vapor-rise {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(-30px) scale(1.5);
  }
}

/* 滚动视差光效 */
.feature-item,
.order-box {
  position: relative;
  transition: all 0.6s ease-out;
}

.feature-item.in-view,
.order-box.in-view {
  animation: glow-in 0.8s ease-out forwards;
}

@keyframes glow-in {
  0% {
    box-shadow: none;
  }
  50% {
    box-shadow: 0 0 30px rgba(201, 169, 97, 0.3);
  }
  100% {
    box-shadow: 0 0 20px rgba(201, 169, 97, 0.15);
  }
}