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

:root {
  --blue: #1A6BFF;
  --blue-light: #4D8FFF;
  --blue-pale: #EEF4FF;
  --text-dark: #1A1A2E;
  --text-mid: #4A4A6A;
  --text-light: #8888AA;
  --border: #E8EEFF;
  --white: #FFFFFF;
  --shadow: 0 4px 20px rgba(26, 107, 255, 0.1);
  --shadow-hover: 0 8px 32px rgba(26, 107, 255, 0.18);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── 导航 ── */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.75);
  transition: backdrop-filter 0.3s, box-shadow 0.3s;
}

header.header-blur {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 16px rgba(26, 107, 255, 0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Logo 图片 */
.logo-circle {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.logo-text-img {
  height: 22px;
  width: auto;
}

.logo-text {
  font-size: 20px;
  font-weight: 600;
}

/* Hero 插画 */
.hero-illus {
  width: 100%;
  max-width: 520px;
  height: auto;
  display: block;
  filter: drop-shadow(0 20px 40px rgba(26, 107, 255, 0.15));
  animation: heroFloat 4s ease-in-out infinite;
}

@keyframes heroFloat {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

/* Feature icon image */
.feat-icon-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

/* Pain icon image */
.pain-icon-img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

/* University logo */
.uni-logo {
  height: 60px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

/* Footer logo */
.footer-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
}

/* QR code image */
.footer-qr-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 8px;
}

.nav-links li a {
  display: block;
  padding: 6px 16px;
  font-size: 14px;
  color: var(--text-mid);
  text-decoration: none;
  border-radius: 8px;
  transition: color 0.2s;
}

.nav-links li a:hover {
  color: var(--blue);
}

.nav-links li.active a {
  background: linear-gradient(90deg, #1A6BFF, #4DABFF);
  color: #fff;
  font-weight: 600;
  padding: 6px 20px;
  border-radius: 20px;
}

/* ── Hero ── */
.hero {
  position: relative;
  background: linear-gradient(160deg, #F0F5FF 0%, #FAFBFF 40%, #EDF3FF 100%);
  padding-top: 64px;
  overflow: hidden;
}

.hero-bg-deco {
  position: absolute;
  top: -120px;
  right: -120px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26, 107, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 80px 0 60px;
}

.hero-left {
  flex: 1;
  max-width: 560px;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.highlight {
  color: var(--blue);
  position: relative;
}

.highlight::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, #1A6BFF33, #1A6BFF66);
  border-radius: 3px;
  z-index: -1;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-mid);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  background: linear-gradient(90deg, #1A6BFF, #4DABFF);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(26, 107, 255, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 107, 255, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 32px;
  border: 2px solid var(--blue);
  color: var(--blue);
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.btn-secondary:hover {
  background: var(--blue-pale);
}

/* Hero 右侧 mock 界面 */
.hero-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hero-img-wrap {
  width: 100%;
  max-width: 520px;
}

.hero-3d-deco {
  position: absolute;
  border-radius: 16px;
  opacity: 0.7;
}

.deco-1 {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #4DABFF, #1A6BFF);
  top: -20px;
  right: 60px;
  transform: rotate(20deg);
  border-radius: 20px;
  animation: float1 4s ease-in-out infinite;
}

.deco-2 {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #FFB347, #FF6B35);
  top: 60px;
  right: -10px;
  border-radius: 14px;
  transform: rotate(-15deg);
  animation: float2 3.5s ease-in-out infinite;
}

.deco-3 {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #5FD68A, #2DA350);
  bottom: 60px;
  left: 20px;
  border-radius: 12px;
  transform: rotate(10deg);
  animation: float1 5s ease-in-out infinite;
}

@keyframes float1 {

  0%,
  100% {
    transform: rotate(20deg) translateY(0);
  }

  50% {
    transform: rotate(20deg) translateY(-12px);
  }
}

@keyframes float2 {

  0%,
  100% {
    transform: rotate(-15deg) translateY(0);
  }

  50% {
    transform: rotate(-15deg) translateY(-8px);
  }
}

.hero-mock {
  position: absolute;
  inset: 0;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(26, 107, 255, 0.15);
  overflow: hidden;
}

.mock-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: #F5F7FF;
  border-bottom: 1px solid var(--border);
}

.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mock-dot.red {
  background: #FF5F57;
}

.mock-dot.yellow {
  background: #FFBD2E;
}

.mock-dot.green {
  background: #28C840;
}

.mock-search {
  flex: 1;
  height: 22px;
  background: #E8EEFF;
  border-radius: 6px;
  margin-left: 8px;
}

.mock-body {
  display: flex;
  height: calc(100% - 45px);
}

.mock-sidebar {
  width: 56px;
  background: #F0F4FF;
  border-right: 1px solid var(--border);
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mock-nav-item {
  height: 36px;
  border-radius: 8px;
  background: #E0E8FF;
}

.mock-nav-item.active-nav {
  background: linear-gradient(135deg, #1A6BFF, #4DABFF);
}

.mock-content {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}

.mock-line {
  height: 10px;
  background: #E8EEFF;
  border-radius: 5px;
}

.mock-line.full {
  width: 100%;
}

.mock-line.w90 {
  width: 90%;
}

.mock-line.w80 {
  width: 80%;
}

.mock-line.w70 {
  width: 70%;
}

.mock-line.w60 {
  width: 60%;
}

.mock-highlight-wrap {
  position: relative;
}

.mock-line-hl {
  height: 12px;
  width: 65%;
  background: rgba(26, 107, 255, 0.2);
  border-radius: 5px;
}

.mock-tooltip {
  position: absolute;
  top: -68px;
  left: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  box-shadow: 0 4px 16px rgba(26, 107, 255, 0.15);
  white-space: nowrap;
}

.tooltip-arrow {
  position: absolute;
  bottom: -8px;
  left: 20px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid #fff;
  filter: drop-shadow(0 1px 0 var(--border));
}

.tooltip-word {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 2px;
}

.tooltip-trans {
  display: block;
  font-size: 10px;
  color: var(--text-mid);
}

/* Hero 底部特性快览 */
.hero-features {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
  padding: 48px 0 60px;
}

.tipsBox {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tips-card {
  padding: 24px;
  border-radius: 16px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  background-color: #ffffff;
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.tips-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(26, 107, 255, 0.08), transparent);
  transition: 0.5s;
}

.tips-card:hover::before {
  left: 100%;
}

.tips-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(26, 107, 255, 0.12);
}

.tips-card img {
  width: 60px;
  height: 60px;
  margin-right: 16px;
  object-fit: contain;
  flex-shrink: 0;
}

.tipsContent {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tipsTitle {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0;
}

.tipsDesc {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.6;
  margin: 0;
}

/* ── 通用 section ── */
.section {
  padding: 88px 0;
}

.section-title-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 56px;
}

.titleLeft,
.titleRight {
  height: 12px;
  margin-top: 4px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-dark);
  white-space: nowrap;
  margin: 0;
}

/* ── 痛点 ── */
.painpoints {
  background: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.feature-card {
  background-color: white;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(26, 107, 255, 0.08), transparent);
  transition: 0.5s;
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 24px rgba(26, 107, 255, 0.15);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  object-fit: contain;
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.7;
  margin: 0;
}

/* ── 核心功能 ── */
.features-section {
  background: var(--blue-pale);
}

.feature-tabs {
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.tab-bar {
  display: flex;
  background: #ffffff;
  padding: 8px;
  gap: 4px;
  border-radius: 12px;
  margin-bottom: 16px;
}

.tab-item {
  flex: 1;
  text-align: center;
  padding: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-mid);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.tab-item.tab-active {
  background: linear-gradient(90deg, #1A6BFF, #4DABFF);
  color: #fff;
  box-shadow: 0 4px 12px rgba(26, 107, 255, 0.25);
}

.tab-content-wrap {
  display: flex;
  gap: 0;
  min-height: 460px;
}

.tab-img-side {
  flex: 1;
  background: linear-gradient(135deg, #EEF4FF 0%, #F5F8FF 100%);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 40px;
}

.tab-img-box {
  width: 100%;
  max-width: 480px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(26, 107, 255, 0.12);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.tab-feature-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.tab-img-placeholder {
  width: 100%;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f0f4ff;
  color: var(--blue);
  font-size: 18px;
  font-weight: 600;
}

.feat-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.25s, box-shadow 0.25s;
}

.feat-point-active {
  background: #EEF5FF;
  box-shadow: 0 2px 12px rgba(26, 107, 255, 0.1);
}

.tab-mock-wrap {
  width: 100%;
  max-width: 380px;
}

.tab-mock-screen {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(26, 107, 255, 0.12);
  overflow: hidden;
}

.tab-mock-header {
  height: 36px;
  background: #F0F4FF;
  border-bottom: 1px solid var(--border);
}

.tab-mock-main {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 260px;
}

.tab-mock-text-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tmtb-line {
  height: 9px;
  background: #E8EEFF;
  border-radius: 4px;
}

.tab-mock-panel {
  background: var(--blue-pale);
  border: 1px solid rgba(26, 107, 255, 0.2);
  border-radius: 10px;
  padding: 14px;
  margin-top: 8px;
}

.tpanel-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 6px;
}

.tpanel-result {
  font-size: 12px;
  color: var(--text-mid);
  line-height: 1.6;
}

.tab-info-side {
  flex: 1;
  padding: 48px 48px 48px 40px;
  display: flex;
  flex-direction: column;
}

/* 过渡隔离容器，让 absolute 定位在此内部生效 */
.tab-info-trans {
  position: relative;
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
}
}

.tab-info-inner {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.tab-info-header {
  flex-shrink: 0;
  margin-bottom: 24px;
}

/* 切换过渡动画 — 同步交叉淡入淡出 */
.tab-fade-enter-active {
  transition: opacity 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: opacity, transform;
}
.tab-fade-leave-active {
  transition: opacity 0.12s cubic-bezier(0.55, 0.085, 0.68, 0.53);
  will-change: opacity;
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
}
.tab-fade-enter {
  opacity: 0;
  transform: translateY(10px) scale(0.99);
}
.tab-fade-leave-to {
  opacity: 0;
}

.tab-feature-points {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.tab-feature-name {
  font-size: 28px;
  font-weight: 800;
  color: #2A80FF;
  margin-bottom: 16px;
}

.tab-feature-desc {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.8;
  /* margin-bottom: 32px; */
}

.tab-feature-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feat-point {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.fp-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
  margin-top: 7px;
}

img.fp-icon {
  width: 32px;
  height: 32px;
  border-radius: 0;
  background: none;
  object-fit: contain;
  margin-top: 0;
}

.fp-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.fp-desc {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ── 用户评价 ── */
.testimonials-section {
  background: #fff;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.t-card {
  background: #FAFBFF;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.t-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.t-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.t-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1A6BFF, #4DABFF);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.t-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
}

.t-role {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 3px;
}

.t-text {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 20px;
}

.t-stars {
  display: flex;
  gap: 4px;
}

.star {
  font-size: 16px;
  color: #FFB84D;
}

/* ── 用户来源 ── */
.sources-section {
  background: var(--blue-pale);
  overflow: hidden;
}

.universities-marquee-wrap {
  overflow: hidden;
  position: relative;
}

.universities-marquee-wrap::before,
.universities-marquee-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.universities-marquee-wrap::before {
  left: 0;
  background: linear-gradient(to right, var(--blue-pale), transparent);
}

.universities-marquee-wrap::after {
  right: 0;
  background: linear-gradient(to left, var(--blue-pale), transparent);
}

.universities-track {
  display: flex;
  gap: 24px;
  animation: marquee 24s linear infinite;
  width: max-content;
}

.universities-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

.uni-item {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 20px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: box-shadow 0.2s;
}

.uni-item:hover {
  box-shadow: var(--shadow);
}

.uni-logo-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1A6BFF22, #4DABFF44);
  border: 1.5px solid rgba(26, 107, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.uni-abbr {
  font-size: 10px;
  font-weight: 700;
  color: var(--blue);
}

.uni-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
}

/* ── CTA ── */
.cta-section {
  background: linear-gradient(135deg, #0D47CC 0%, #1A6BFF 50%, #3D8FFF 100%);
  padding: 88px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-deco {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.cta-deco-l {
  left: -80px;
  top: -80px;
}

.cta-deco-r {
  right: -80px;
  bottom: -80px;
}

.cta-inner {
  position: relative;
}

.cta-title {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 40px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 40px;
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  backdrop-filter: blur(4px);
  transition: background 0.2s, transform 0.2s;
}

.cta-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* ── 页脚 ── */
footer {
  background: #0D1B40;
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 32px;
}

.footer-main {
  display: flex;
  gap: 60px;
  margin-bottom: 48px;
  align-items: flex-start;
}

.footer-brand {
  flex-shrink: 0;
}

.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo-text {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.footer-slogan {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-links-wrap {
  display: flex;
  flex: 1;
  gap: 48px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

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

.footer-col ul li a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-qr-wrap {
  display: flex;
  gap: 24px;
  flex-shrink: 0;
}

.footer-qr-item {
  text-align: center;
}

.footer-qr-box {
  width: 108px;
  height: 108px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  overflow: hidden;
  padding: 4px;
}

.qr-placeholder {
  opacity: 0.6;
}

.footer-qr-item p {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.3);
}

.login-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
}

.login-modal {
  background: white;
  border-radius: 16px;
  padding: 32px 48px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
  text-align: center;
  position: relative;
  max-width: 480px;
  width: 90%;
}

.login-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  cursor: pointer;
  font-size: 24px;
  color: #999;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s;
}

.login-modal-close:hover {
  background-color: #f5f5f5;
  color: #333;
}

.login-modal-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #333;
}

.login-modal-title span {
  color: #1A6BFF;
}

.login-modal-subtitle {
  font-size: 14px;
  color: #666;
  margin-bottom: 24px;
}

.qrcode-container {
  margin: 20px auto;
  padding: 12px;
  border: 1px solid #f0f0f0;
  border-radius: 8px;
  display: inline-block;
  vertical-align: top;
}

/* 二维码 + 底部「微信扫码」说明 */
.qr-stage-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qr-wechat-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 13px;
  color: #666;
  line-height: 1;
  user-select: none;
}

.qr-wechat-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: #07c160;
}

/* 二维码展示区：正常与过期共用同一占位，过期时叠蒙层 */
.qr-stage {
  position: relative;
  width: 260px;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.qr-stage .qr-active-box {
  width: 260px;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-stage .qr-active-box canvas,
.qr-stage .qr-active-box img {
  display: block;
  max-width: 100%;
  height: auto;
}

.qr-expired-mask {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  margin: 0;
  border: none;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.58);
  color: #fff;
  cursor: pointer;
  font: inherit;
  text-align: center;
  transition: background 0.2s ease;
}

.qr-expired-mask:hover {
  background: rgba(0, 0, 0, 0.66);
}

.qr-expired-mask:focus-visible {
  outline: 2px solid #1A6BFF;
  outline-offset: 2px;
}

.qr-expired-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.qr-expired-refresh-svg {
  width: 28px;
  height: 28px;
  display: block;
}

.qr-expired-tip {
  font-size: 14px;
  line-height: 1.45;
  color: #fff;
  max-width: 220px;
}

.qr-state-box {
  width: 260px;
  height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}

.qr-state-loading {
  background-color: #f5f5f5;
}

.qr-state-scanned {
  background-color: #f0f9ff;
}

.qr-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid #1A6BFF;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.qr-state-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.qr-icon-error {
  color: #ff4d4f;
}

.qr-icon-success {
  color: #52c41a;
}

.qr-state-text {
  font-size: 14px;
  margin-top: 16px;
}

.qr-text-error {
  color: #ff4d4f;
  font-size: 16px;
  margin-bottom: 12px;
  margin-top: 0;
}

.qr-text-success {
  color: #52c41a;
  font-size: 16px;
}

.qrcode-status {
  margin-top: 16px;
  font-size: 14px;
}

.qrcode-status.loading {
  color: #1A6BFF;
}

.qrcode-status.expired {
  color: #ff4d4f;
}

.qrcode-status.scanned {
  color: #52c41a;
}

.privacy-text {
  font-size: 12px;
  color: #999;
  margin-top: 20px;
  margin-bottom: 0;
}

.divider {
  height: 1px;
  background-color: #f0f0f0;
  margin: 20px 0;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* ── 会员权益对比页 ── */
.member-page {
  padding-top: 64px;
  min-height: calc(100vh - 64px);
  background: #fafbff;
  padding-bottom: 64px;
}

.member-page-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.member-page-title {
  text-align: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--text-dark);
  margin: 48px 0 40px;
}

.member-table-wrap {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--border);
}

.member-compare-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.member-compare-table th,
.member-compare-table td {
  padding: 18px 16px;
  text-align: center;
  font-size: 14px;
  line-height: 1.6;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.member-compare-table thead th {
  font-weight: 700;
  color: var(--text-dark);
  background: #f5f7fa;
}

.member-compare-table thead .member-th-feature {
  width: 28%;
  background: #f5f7fa;
}

.member-compare-table thead .member-th-member {
  width: 36%;
  background: #e8f1ff;
  color: var(--blue);
}

.member-compare-table thead .member-th-guest {
  width: 36%;
  background: #fff;
}

.member-crown {
  margin-right: 4px;
}

.member-compare-table tbody tr:last-child td {
  border-bottom: none;
}

.member-compare-table .member-td-feature {
  text-align: center;
  font-weight: 600;
  color: var(--text-dark);
  background: #fafbfd;
}

.member-compare-table .member-td-member {
  background: #f0f6ff;
  color: var(--text-mid);
}

.member-compare-table .member-td-guest {
  background: #fff;
  color: var(--text-mid);
}

.member-icon-yes,
.member-icon-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

.member-icon-yes {
  background: #52c41a;
  color: #fff;
}

.member-icon-no {
  background: #ff4d4f;
  color: #fff;
}

.logo-link {
  text-decoration: none;
  color: inherit;
}

@media (max-width: 768px) {
  .member-table-wrap {
    overflow-x: auto;
  }

  .member-compare-table {
    min-width: 560px;
  }

  .member-page-title {
    font-size: 22px;
    padding: 0 16px;
  }
}