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

:root {
  --banana-yellow: #f5a623;
  --banana-yellow-light: #ffd166;
  --banana-yellow-dark: #d48a0f;
  --night-black: #1a1a2e;
  --night-black-light: #25253d;
  --night-black-lighter: #2e2e4a;
  --text-white: #ffffff;
  --text-gray: #b8b8d0;
  --text-gray-light: #8a8aa0;
  --card-bg: #222240;
  --border-color: #35355a;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(245, 166, 35, 0.15);
  --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

html {
  scroll-behavior: auto;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background-color: #0f0f16;
  color: var(--text-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

/* ========== 导航栏 ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 15, 22, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
  height: 64px;
}

.navbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.nav-logo .logo-text {
  background: linear-gradient(135deg, var(--banana-yellow), var(--banana-yellow-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--text-gray);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--banana-yellow);
  background: rgba(245, 166, 35, 0.1);
}

.nav-download-btn {
  padding: 8px 20px !important;
  background: linear-gradient(135deg, var(--banana-yellow), var(--banana-yellow-dark));
  color: var(--night-black) !important;
  font-weight: 700;
  border-radius: 50px !important;
  font-size: 0.88rem;
}

.nav-download-btn:hover {
  box-shadow: 0 4px 16px rgba(245, 166, 35, 0.4);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ========== 主体内容区域 ========== */
.partner-page {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 104px 24px 60px;
}

/* ========== 头部区域 ========== */
.partner-header {
  text-align: center;
  margin-bottom: 60px;
}

.partner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(199, 125, 255, 0.08);
  border: 1px solid rgba(199, 125, 255, 0.18);
  border-radius: 50px;
  font-size: 0.88rem;
  color: #c77dff;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.partner-badge:hover {
  background: rgba(199, 125, 255, 0.15);
  border-color: rgba(199, 125, 255, 0.3);
  transform: translateY(-1px);
}

.partner-title {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.partner-title .gradient-text {
  background: linear-gradient(90deg, #c77dff 0%, #ff007f 40%, #f5a623 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.partner-subtitle {
  font-size: 1.05rem;
  color: var(--text-gray);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.85;
}

/* ========== 卡片网格 ========== */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

/* ========== 卡片样式 ========== */
.partner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: #1c1c24;
  border: 1px solid #2e2e3a;
  border-radius: var(--radius-lg);
  padding: 36px 18px 28px;
  color: #d1d1e0;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.partner-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(199, 125, 255, 0.3), transparent);
  opacity: 0;
  transition: var(--transition);
}

.partner-card:hover::before {
  opacity: 1;
}

.partner-card:hover {
  background-color: #22223a;
  border-color: rgba(245, 166, 35, 0.45);
  transform: translateY(-8px);
  color: #ffffff;
  box-shadow: var(--shadow-hover);
}

.partner-icon-box {
  width: 76px;
  height: 76px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 22px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
}

.partner-icon-box::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
  border-radius: inherit;
  pointer-events: none;
}

.partner-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: inherit;
}

.partner-card:nth-child(1) .partner-icon-box {
  background: linear-gradient(135deg, #ff4b4b, #c62828);
}
.partner-card:nth-child(2) .partner-icon-box {
  background: linear-gradient(135deg, #ff6b9d, #ad1457);
}
.partner-card:nth-child(3) .partner-icon-box {
  background: linear-gradient(135deg, #ffd54f, #e65100);
  color: #1a1a2e;
}
.partner-card:nth-child(4) .partner-icon-box {
  background: linear-gradient(135deg, #7b61ff, #3d2e9e);
}
.partner-card:nth-child(5) .partner-icon-box {
  background: linear-gradient(135deg, #9c27b0, #4a148c);
}
.partner-card:nth-child(6) .partner-icon-box {
  background: linear-gradient(135deg, #4caf50, #1b5e20);
}
.partner-card:nth-child(7) .partner-icon-box {
  background: linear-gradient(135deg, #2196f3, #0d47a1);
}
.partner-card:nth-child(8) .partner-icon-box {
  background: linear-gradient(135deg, #00bcd4, #006064);
}
.partner-card:nth-child(9) .partner-icon-box {
  background: linear-gradient(135deg, #ff9800, #bf360c);
}
.partner-card:nth-child(10) .partner-icon-box {
  background: linear-gradient(135deg, #e91e63, #880e4f);
}

.partner-card:hover .partner-icon-box {
  transform: scale(1.1) rotate(-3deg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.partner-card .partner-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-white);
  letter-spacing: 0.3px;
  transition: var(--transition);
}

.partner-card:hover .partner-name {
  color: var(--banana-yellow-light);
}

.partner-card .partner-desc {
  font-size: 0.8rem;
  color: var(--text-gray-light);
  line-height: 1.6;
  transition: var(--transition);
}

.partner-card:hover .partner-desc {
  color: var(--text-gray);
}

.partner-card .card-arrow {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 1rem;
  color: #6b6b80;
  opacity: 0;
  transition: var(--transition);
  font-family: Arial, sans-serif;
}

.partner-card:hover .card-arrow {
  opacity: 1;
  color: #c77dff;
  transform: translate(2px, -2px);
}

/* ========== 底部 CTA ========== */
.bottom-cta-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.bottom-cta-card {
  background: linear-gradient(135deg, #1a1a2e 0%, #252540 100%);
  border: 1px solid rgba(245, 166, 35, 0.25);
  border-radius: 24px;
  padding: 60px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.4),
    inset 0 0 0 1px rgba(255, 255, 255, 0.03);
  margin-bottom: 0;
}

.bottom-cta-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245, 166, 35, 0.6), transparent);
}

.bottom-cta-card h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
  color: var(--text-white);
}

.bottom-cta-card p {
  color: var(--text-gray);
  font-size: 1rem;
  margin-bottom: 32px;
}

.bottom-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 48px;
  background: linear-gradient(135deg, #ff4b4b, #d32f2f);
  color: #ffffff;
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: 50px;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 6px 24px rgba(255, 75, 75, 0.35);
}

.bottom-cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(255, 75, 75, 0.55);
  background: linear-gradient(135deg, #ff5e5e, #e53935);
}

.bottom-cta-btn .dl-icon {
  font-size: 1.3rem;
  line-height: 1;
}

/* ========== 客户端下载 + 二维码 ========== */
.download-section {
  background: linear-gradient(160deg, var(--night-black-light) 0%, var(--night-black) 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 72px 24px;
  margin-top: 80px;
}

.download-inner {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}

.download-inner h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.download-inner h2 .accent {
  color: var(--banana-yellow);
}

.download-inner > p {
  color: var(--text-gray);
  margin-bottom: 40px;
  font-size: 1rem;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  background: var(--card-bg);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
  min-width: 180px;
  justify-content: center;
}

.download-btn:hover {
  border-color: var(--banana-yellow);
  background: rgba(245, 166, 35, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 166, 35, 0.15);
}

.download-btn .dl-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.download-btn .dl-text {
  text-align: left;
}

.download-btn .dl-text .dl-platform {
  font-size: 0.72rem;
  color: var(--text-gray-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.download-btn .dl-text .dl-name {
  font-size: 0.95rem;
  font-weight: 700;
}

.download-note {
  font-size: 0.85rem;
  color: var(--text-gray-light);
}

.qr-code-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.qr-code-img-box {
  width: 140px;
  height: 140px;
  background: #fff;
  border-radius: 12px;
  padding: 10px;
  box-sizing: border-box;
  margin-bottom: 12px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.qr-code-img-box:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 28px rgba(245, 166, 35, 0.2);
}

.qr-code-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

.qr-code-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 4px;
}

.qr-code-desc {
  font-size: 0.8rem;
  color: var(--text-gray-light);
}

/* ========== 页脚 ========== */
.footer {
  background: #12121f;
  border-top: 1px solid var(--border-color);
  padding: 48px 24px 24px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-brand .footer-logo img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.footer-brand .footer-logo span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--banana-yellow);
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-gray-light);
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-white);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.85rem;
  color: var(--text-gray-light);
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--banana-yellow);
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-gray-light);
}

.footer-bottom .footer-links {
  display: flex;
  gap: 20px;
}

.footer-bottom .footer-links a {
  font-size: 0.8rem;
  color: var(--text-gray-light);
}

.footer-bottom .footer-links a:hover {
  color: var(--banana-yellow);
}

/* ========== 浮动下载按钮 ========== */
.float-download {
  position: fixed;
  right: 16px;
  bottom: calc(22px + env(safe-area-inset-bottom, 0px));
  z-index: 900;
  display: none;
  align-items: center;
  gap: 6px;
  padding: 11px 18px;
  background: linear-gradient(135deg, var(--banana-yellow), var(--banana-yellow-dark));
  color: var(--night-black);
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: 0 6px 20px rgba(245, 166, 35, 0.42);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  pointer-events: none;
  transition:
    opacity 0.32s ease,
    visibility 0.32s ease,
    transform 0.32s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.float-download.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.float-download .fd-icon {
  font-size: 0.95rem;
  line-height: 1;
  animation: fd-bounce 1.8s ease-in-out infinite;
}

@keyframes fd-bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(2px);
  }
}

/* ========== 响应式适配 ========== */
@media (max-width: 1100px) {
  .partner-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 900px) {
  .partner-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .partner-title {
    font-size: 2.2rem;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--night-black);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    gap: 4px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links a {
    padding: 12px 16px;
    width: 100%;
    text-align: left;
  }

  /* ✅ 移动端整体间距优化 */
  .partner-page {
    padding: 84px 16px 40px;
  }

  .partner-header {
    margin-bottom: 32px;
  }

  .partner-badge {
    margin-bottom: 16px;
  }

  .partner-title {
    font-size: 1.75rem;
  }

  .partner-subtitle {
    font-size: 0.92rem;
  }

  .partner-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .partner-card {
    padding: 20px 10px 16px;
    border-radius: 16px;
  }

  .partner-icon-box {
    width: 56px;
    height: 56px;
    font-size: 1.2rem;
    border-radius: 14px;
    margin-bottom: 12px;
  }

  .partner-card .partner-name {
    font-size: 0.88rem;
  }

  .partner-card .partner-desc {
    font-size: 0.68rem;
  }

  .bottom-cta-section {
    padding: 0 16px;
  }

  .bottom-cta-card {
    padding: 32px 16px;
  }

  .bottom-cta-card h2 {
    font-size: 1.35rem;
  }

  .bottom-cta-card p {
    font-size: 0.9rem;
    margin-bottom: 24px;
  }

  .bottom-cta-btn {
    padding: 14px 32px;
    font-size: 0.95rem;
  }

  .download-section {
    padding: 40px 16px;
    margin-top: 40px;
  }

  .download-btn {
    min-width: 100%;
  }

  /* ✅ 页脚紧凑左右式布局（减少右侧留白） */
  .footer {
    padding: 24px 16px 16px;
  }

  .footer-inner {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px 10px;
    margin-bottom: 14px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-brand .footer-logo {
    margin-bottom: 6px;
  }

  .footer-brand .footer-logo img {
    width: 24px;
    height: 24px;
  }

  .footer-brand .footer-logo span {
    font-size: 0.95rem;
  }

  .footer-brand p {
    font-size: 0.72rem;
    line-height: 1.6;
    max-width: 100%;
  }

  .footer-col h4 {
    font-size: 0.78rem;
    margin-bottom: 8px;
  }

  .footer-col ul {
    gap: 5px;
  }

  .footer-col ul li a {
    font-size: 0.72rem;
  }

  /* ✅ 底部版权与链接改为同一行左右分布 */
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding-top: 12px;
    gap: 6px 12px;
  }

  .footer-bottom p {
    font-size: 0.7rem;
    margin: 0;
  }

  .footer-bottom .footer-links {
    gap: 12px;
  }

  .footer-bottom .footer-links a {
    font-size: 0.7rem;
  }

  /* ✅ 浮动下载按钮：仅在移动端启用 */
  .float-download {
    display: inline-flex;
  }
}

@media (max-width: 360px) {
  .partner-grid {
    grid-template-columns: 1fr;
  }
}