/* 深探时站点公共样式：导航 / 首页区块 / 页脚（全局，供首页与认证页共用） */

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(97, 92, 245, 0.08);
  box-shadow: 0 2px 18px rgba(23, 22, 43, 0.04);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 66px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  font-size: 17px;
  color: var(--ink);
  letter-spacing: 0.5px;
}
.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), var(--violet));
  display: grid;
  place-items: center;
  box-shadow: 0 4px 12px rgba(97, 92, 245, 0.35);
}
.logo-mark svg {
  width: 18px;
  height: 18px;
}
.logo-mark.small {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}
.logo-mark.small svg {
  width: 15px;
  height: 15px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: 8px;
}
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--primary);
}
.nav-links a.active {
  color: var(--primary);
  font-weight: 700;
}
.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}
.lang {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13.5px;
  color: var(--ink-soft);
  padding: 8px 10px;
  border-radius: 8px;
  transition: background 0.2s;
}
.lang:hover {
  background: rgba(97, 92, 245, 0.06);
}
.lang .caret {
  width: 10px;
  height: 10px;
}
.btn-login {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1.5px solid rgba(97, 92, 245, 0.35);
  color: var(--primary-deep);
  font-size: 14.5px;
  font-weight: 600;
  transition: all 0.2s;
}
.btn-login:hover {
  border-color: var(--primary);
  background: rgba(97, 92, 245, 0.06);
}
.btn-user {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  max-width: 190px;
  padding: 0 14px 0 6px;
  border-radius: 999px;
  background: rgba(97, 92, 245, 0.07);
  border: 1.5px solid rgba(97, 92, 245, 0.2);
  color: var(--primary-deep);
  font-size: 14.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.btn-user:hover {
  background: rgba(97, 92, 245, 0.13);
  border-color: rgba(97, 92, 245, 0.38);
}
.user-avatar {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--violet));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: grid;
  place-items: center;
}
.user-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-menu {
  position: relative;
}
.user-caret {
  flex: none;
  width: 11px;
  height: 11px;
  transition: transform 0.2s;
}
.user-caret.open {
  transform: rotate(180deg);
}
.user-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 120;
  min-width: 224px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(23, 22, 43, 0.14);
}
.dropdown-head {
  padding: 10px 12px 12px;
  margin-bottom: 6px;
  border-bottom: 1px solid rgba(97, 92, 245, 0.1);
}
.dropdown-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dropdown-account {
  margin-top: 3px;
  font-size: 12.5px;
  color: var(--ink-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dropdown-item {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-radius: 9px;
  background: none;
  text-align: left;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.dropdown-item:hover {
  background: rgba(97, 92, 245, 0.08);
  color: var(--primary-deep);
}
.dropdown-item.danger {
  color: #c0392b;
}
.dropdown-item.danger:hover {
  background: #fdecec;
  color: #a3281b;
}
.mobile-logout {
  margin-top: 4px;
  padding: 13px 6px;
  border: none;
  background: none;
  text-align: left;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: #c0392b;
  cursor: pointer;
}
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), #8b7bf7);
  color: #fff;
  font-size: 14.5px;
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(97, 92, 245, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(97, 92, 245, 0.45);
}
.btn-cta .sparkle {
  width: 14px;
  height: 14px;
}
.btn-cta .arrow {
  width: 11px;
  height: 11px;
}
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--ink-soft);
  cursor: pointer;
}
.menu-toggle svg {
  width: 18px;
  height: 18px;
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 66px;
  left: 0;
  right: 0;
  z-index: 99;
  flex-direction: column;
  padding: 10px 20px 18px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 18px 32px rgba(23, 22, 43, 0.08);
}
.mobile-menu a {
  padding: 13px 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  border-bottom: 1px solid rgba(97, 92, 245, 0.06);
}
.mobile-menu a.active {
  color: var(--primary);
  font-weight: 700;
}
.mobile-menu .mobile-login {
  color: var(--primary-deep);
  font-weight: 700;
}
.drop-enter-active,
.drop-leave-active {
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.drop-enter-from,
.drop-leave-to {
  opacity: 0;
  transform: translateY(-8px);
}

/* ---------- Hero ---------- */
.hero {
  padding: 140px 24px 48px;
}
.hero-card {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #efedff 0%, #e6e1ff 55%, #f6f3ff 100%);
  border: 1px solid rgba(97, 92, 245, 0.16);
  box-shadow: 0 24px 64px rgba(97, 92, 245, 0.14);
  padding: 68px 56px 60px;
  overflow: hidden;
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.75;
  pointer-events: none;
}
.glow-a {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, #b7a9ff, transparent 65%);
  top: -120px;
  right: -80px;
  animation: glow-float 9s ease-in-out infinite alternate;
}
.glow-b {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, #d3c6ff, transparent 65%);
  bottom: -160px;
  left: -100px;
  animation: glow-float 12s ease-in-out infinite alternate-reverse;
}
@keyframes glow-float {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(36px, 28px) scale(1.12); }
}
.hero-content {
  position: relative;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(97, 92, 245, 0.25);
  color: var(--primary-deep);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
}
.hero h1 {
  margin-top: 22px;
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--ink);
}
.grad-text {
  background: linear-gradient(120deg, var(--primary), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  margin-top: 16px;
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.8;
}
.prompt-box {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 560px;
  margin: 30px auto 0;
  padding: 6px 6px 6px 18px;
  background: #fff;
  border: 1.5px solid rgba(97, 92, 245, 0.28);
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(97, 92, 245, 0.14);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.prompt-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(97, 92, 245, 0.14);
}
.prompt-box input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  font-size: 15px;
  color: var(--ink);
  background: transparent;
}
.prompt-box input::placeholder {
  color: var(--ink-faint);
}
.prompt-box .send {
  flex: none;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #8b7bf7);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(97, 92, 245, 0.4);
  transition: transform 0.2s;
}
.prompt-box .send:hover {
  transform: scale(1.05);
}
.prompt-box .send svg {
  width: 18px;
  height: 18px;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}
.chip {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(97, 92, 245, 0.28);
  background: rgba(255, 255, 255, 0.72);
  color: var(--primary-deep);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.chip:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

/* ---------- 产品系列 ---------- */
.features {
  padding: 76px 24px 60px;
  max-width: 1200px;
  margin: 0 auto;
}
.section-title {
  text-align: center;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--ink);
}
.section-sub {
  text-align: center;
  margin-top: 12px;
  font-size: 15px;
  color: var(--ink-faint);
}
.feature-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 26px 22px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(97, 92, 245, 0.35);
  box-shadow: 0 18px 40px rgba(97, 92, 245, 0.16);
}
.series-tile {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), var(--violet));
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(97, 92, 245, 0.3);
}
.series-head {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.series-head h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}
.series-tag {
  flex: none;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(97, 92, 245, 0.08);
  color: var(--primary-deep);
  font-size: 11.5px;
  font-weight: 600;
}
.feature-card > p {
  margin: 12px 0 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}
.feature-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}
.feature-more svg {
  width: 11px;
  height: 11px;
  transition: transform 0.2s;
}
.feature-more:hover svg {
  transform: translateX(3px);
}
.empty {
  margin-top: 44px;
  text-align: center;
  font-size: 14.5px;
  color: var(--ink-faint);
  padding: 40px 0;
  background: rgba(97, 92, 245, 0.04);
  border-radius: 16px;
}

/* ---------- 数据 ---------- */
.stats {
  padding: 24px 24px 72px;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat {
  text-align: center;
  background: rgba(97, 92, 245, 0.05);
  border: 1px solid rgba(97, 92, 245, 0.1);
  border-radius: 18px;
  padding: 28px 12px;
}
.stat-num {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.stat-label {
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--ink-faint);
}

/* ---------- 页脚 ---------- */
.footer {
  margin-top: auto;
  border-top: 1px solid rgba(97, 92, 245, 0.1);
  background: linear-gradient(180deg, rgba(246, 243, 255, 0.6), rgba(239, 237, 255, 0.9));
  padding: 42px 24px 26px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.footer-slogan {
  margin-top: 2px;
  font-size: 12.5px;
  color: var(--ink-faint);
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 26px;
}
.footer-links a {
  font-size: 13.5px;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--primary);
}
.copyright {
  max-width: 1200px;
  margin: 26px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(97, 92, 245, 0.1);
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-faint);
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .nav-links {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .mobile-menu {
    display: flex;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .nav-inner {
    padding: 0 16px;
    gap: 14px;
  }
  .btn-login,
  .user-menu {
    display: none;
  }
  .lang {
    display: none;
  }
  .hero {
    padding: 120px 16px 32px;
  }
  .hero-card {
    padding: 44px 22px 40px;
    border-radius: var(--radius-md);
  }
  .hero-sub {
    font-size: 14.5px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .stats {
    grid-template-columns: repeat(2, 1fr);
    padding: 8px 16px 48px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- 顶部一次性提示 ---------- */
.site-flash {
  position: fixed;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 120;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 10px 28px rgba(23, 22, 43, 0.16);
  animation: site-flash-in 0.3s ease both;
}
.site-flash-ok {
  background: #ecfdf3;
  color: #12805c;
  border: 1px solid rgba(18, 128, 92, 0.25);
}
.site-flash-error {
  background: #fef3f2;
  color: #d92d20;
  border: 1px solid rgba(217, 45, 32, 0.2);
}
@keyframes site-flash-in {
  from { opacity: 0; transform: translate(-50%, -8px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}