/* ===================================
   AI学术会员 - 高端会员服务页样式
   =================================== */

/* ---------- CSS Variables ---------- */
:root {
  --ms-dark: #0a1628;
  --ms-navy: #0f1f3d;
  --ms-blue: #2b6ff0;
  --ms-blue-light: #5b8df5;
  --ms-gold: #c8a45c;
  --ms-gold-light: #e0c87a;
  --ms-gray: #6b7c93;
  --ms-gray-light: #a3b1c6;
  --ms-bg: #f7f8fb;
  --ms-white: #ffffff;
  --ms-radius: 16px;
  --ms-shadow: 0 20px 60px rgba(10, 22, 40, 0.08);
  --ms-shadow-lg: 0 30px 80px rgba(10, 22, 40, 0.12);
  --ms-transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ---------- Banner ---------- */
.member-banner {
  background: linear-gradient(160deg, #070e1a 0%, #0f1f3d 40%, #132a52 100%);
  height: 320px;
  position: relative;
  overflow: hidden;
}
.member-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 30% 50%, rgba(43,111,240,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 80% 30%, rgba(200,164,92,0.08) 0%, transparent 60%);
}
.member-banner .ttm-page-title-row-inner {
  height: 320px;
  position: relative;
  z-index: 1;
}
.member-banner .page-title-heading h2.title {
  color: #fff;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 2px;
}
.member-banner .breadcrumb-wrapper span,
.member-banner .breadcrumb-wrapper span a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
}

/* ---------- Section Header ---------- */
.section-tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--ms-blue);
  margin-bottom: 12px;
}
.section-heading {
  font-size: 32px;
  font-weight: 700;
  color: var(--ms-dark);
  margin-bottom: 10px;
}
.section-desc {
  font-size: 15px;
  color: var(--ms-gray);
  margin-bottom: 0;
}
.section-header {
  margin-bottom: 60px;
}

/* ---------- Hero Section ---------- */
.member-hero {
  position: relative;
  padding: 70px 0 80px;
  background: linear-gradient(170deg, #070e1a 0%, #0b1a33 30%, #0f1f3d 60%, #12254a 100%);
  overflow: hidden;
}
.member-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 20% 50%, rgba(43,111,240,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 30%, rgba(200,164,92,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 60% 80%, rgba(91,141,245,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.member-hero .container {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--ms-gold);
  margin-bottom: 20px;
  padding: 6px 14px;
  border: 1px solid rgba(200,164,92,0.2);
  border-radius: 3px;
}
.hero-title {
  font-size: 48px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  margin-bottom: 35px;
  max-width: 460px;
}
.hero-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.hero-feat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: rgba(255,255,255,0.7);
}
.hero-feat-item i {
  color: var(--ms-gold);
  font-size: 16px;
  flex-shrink: 0;
}

/* Hero Price Card */
.hero-price-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--ms-radius);
  padding: 56px 40px 50px;
  text-align: center;
  position: relative;
  backdrop-filter: blur(10px);
  max-width: 420px;
  margin-left: auto;
  transition: var(--ms-transition);
}
.hero-price-card:hover {
  border-color: rgba(200,164,92,0.25);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.price-ribbon {
  position: absolute;
  top: 18px;
  right: -6px;
  background: linear-gradient(135deg, var(--ms-gold), #b8943e);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 16px 5px 12px;
  border-radius: 2px 0 0 2px;
  letter-spacing: 1px;
}
.price-ribbon::after {
  content: "";
  position: absolute;
  top: 100%;
  right: 0;
  border: 3px solid #8a6d2e;
  border-right-color: transparent;
  border-bottom-color: transparent;
}
.price-label {
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--ms-gold-light);
  margin-bottom: 24px;
}
.price-amount {
  font-size: 68px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  letter-spacing: -2px;
}
.price-symbol {
  font-size: 28px;
  font-weight: 400;
  vertical-align: super;
  color: var(--ms-gold-light);
}
.price-duration {
  font-size: 15px;
  color: rgba(255,255,255,0.35);
  margin-top: 6px;
  letter-spacing: 2px;
}
.price-divider {
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,0.1);
  margin: 24px auto;
}
.price-daily {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  margin-bottom: 28px;
}
.price-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--ms-gold), #b8943e);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 44px;
  border-radius: 30px;
  text-decoration: none;
  letter-spacing: 1px;
  transition: var(--ms-transition);
}
.price-btn:hover {
  background: linear-gradient(135deg, var(--ms-gold-light), var(--ms-gold));
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(200,164,92,0.3);
}
.price-guarantee {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  margin-top: 18px;
}
.price-guarantee i {
  color: var(--ms-gold);
}

/* ---------- Benefits Section ---------- */
.member-benefits {
  padding: 100px 0 70px;
  background: var(--ms-white);
}
.benefit-card {
  background: var(--ms-white);
  border: 1px solid #eef1f6;
  border-radius: var(--ms-radius);
  padding: 44px 32px 36px;
  position: relative;
  transition: var(--ms-transition);
  height: 100%;
}
.benefit-card:hover {
  border-color: #dde3f0;
  box-shadow: var(--ms-shadow);
  transform: translateY(-6px);
}
.benefit-card-num {
  position: absolute;
  top: 20px;
  right: 28px;
  font-size: 60px;
  font-weight: 800;
  color: #f4f6fb;
  line-height: 1;
  pointer-events: none;
}
.benefit-card-featured {
  border-color: var(--ms-blue);
  background: linear-gradient(180deg, #fafbff 0%, #fff 100%);
  box-shadow: 0 10px 40px rgba(43,111,240,0.06);
}
.benefit-card-badge {
  position: absolute;
  top: 16px;
  left: 28px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ms-blue);
  background: #eef3fe;
  padding: 3px 12px;
  border-radius: 3px;
  letter-spacing: 1px;
}
.benefit-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  background: #f0f4ff;
  position: relative;
  z-index: 1;
}
.benefit-card-icon i {
  font-size: 26px;
  color: var(--ms-blue);
}
.benefit-card-featured .benefit-card-icon {
  background: var(--ms-blue);
}
.benefit-card-featured .benefit-card-icon i {
  color: #fff;
}
.benefit-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--ms-dark);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.benefit-card > p {
  font-size: 14px;
  color: var(--ms-gray);
  line-height: 1.75;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.benefit-detail {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid #f0f2f8;
  padding-top: 18px;
  position: relative;
  z-index: 1;
}
.benefit-detail li {
  font-size: 13px;
  color: var(--ms-gray-light);
  padding: 4px 0 4px 18px;
  position: relative;
}
.benefit-detail li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ms-blue-light);
}
.benefit-card-featured .benefit-detail li::before {
  background: var(--ms-gold);
}

/* ---------- Tools Section ---------- */
.member-tools {
  padding: 100px 0 80px;
  background: var(--ms-bg);
}
.tool-card {
  background: #fff;
  border-radius: var(--ms-radius);
  overflow: hidden;
  transition: var(--ms-transition);
  height: 100%;
  border: 1px solid #eef1f6;
}
.tool-card:hover {
  box-shadow: var(--ms-shadow);
  transform: translateY(-6px);
}
.tool-card-featured {
  border-color: #dde3f0;
  box-shadow: 0 8px 30px rgba(10,22,40,0.04);
}
.tool-card-top {
  padding: 40px 32px 0;
  text-align: center;
}
.tool-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 4px 12px;
  border-radius: 3px;
  margin-bottom: 20px;
}
.badge-blue { background: #e8f1fe; color: #2b6ff0; }
.badge-gold { background: #fdf6e6; color: #b8943e; }
.badge-green { background: #e6f4ea; color: #1e8e3e; }

.tool-icon-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}
.tool-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tool-icon i { font-size: 30px; }
.icon-hermes { background: #e8f1fe; }
.icon-hermes i { color: #2b6ff0; }
.icon-claude { background: #fdf6e6; }
.icon-claude i { color: #c8a45c; }
.icon-codex { background: #e6f4ea; }
.icon-codex i { color: #1e8e3e; }

.tool-card-top h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ms-dark);
  margin-bottom: 6px;
}
.tool-tagline {
  font-size: 13px;
  color: var(--ms-gray-light);
  margin-bottom: 0;
}
.tool-card-bottom {
  padding: 24px 32px 36px;
}
.tool-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.tool-list li {
  position: relative;
  padding: 10px 0 10px 24px;
  font-size: 14px;
  color: var(--ms-gray);
  border-bottom: 1px solid #f7f8fa;
}
.tool-list li:last-child { border-bottom: none; }
.tool-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 18px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #d0d8e6;
}
.tool-card-featured .tool-list li::before {
  background: var(--ms-gold);
}

/* ---------- Privileges Section ---------- */
.member-privileges {
  padding: 100px 0 80px;
  background: var(--ms-white);
}
.privilege-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.privilege-item {
  display: flex;
  gap: 20px;
  padding: 28px;
  border-radius: 12px;
  border: 1px solid #eef1f6;
  transition: var(--ms-transition);
}
.privilege-item:hover {
  border-color: #dde3f0;
  box-shadow: 0 10px 30px rgba(10,22,40,0.04);
  transform: translateY(-3px);
}
.privilege-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #f4f6fb;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.privilege-icon i {
  font-size: 20px;
  color: var(--ms-blue);
}
.privilege-info h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ms-dark);
  margin-bottom: 6px;
}
.privilege-info p {
  font-size: 13px;
  color: var(--ms-gray-light);
  line-height: 1.6;
  margin: 0;
}

/* ---------- Process Section ---------- */
.member-process {
  padding: 100px 0 80px;
  background: var(--ms-bg);
}
.process-steps {
  display: flex;
  justify-content: center;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}
.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 20px;
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #eef1f6;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--ms-blue);
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  transition: var(--ms-transition);
}
.process-step:hover .step-number {
  background: var(--ms-blue);
  color: #fff;
  border-color: var(--ms-blue);
  box-shadow: 0 10px 30px rgba(43,111,240,0.25);
}
.step-line {
  position: absolute;
  top: 28px;
  left: calc(50% + 28px);
  width: calc(100% - 56px);
  height: 2px;
  background: #eef1f6;
  z-index: 0;
}
.process-step:last-child .step-line {
  display: none;
}
.process-step h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ms-dark);
  margin-bottom: 8px;
}
.process-step p {
  font-size: 13px;
  color: var(--ms-gray-light);
  line-height: 1.6;
  margin: 0;
}

/* ---------- CTA Section ---------- */
.member-cta {
  padding: 80px 0 100px;
  background: var(--ms-white);
}
.cta-wrapper {
  position: relative;
  background: linear-gradient(150deg, #070e1a 0%, #0d1b38 40%, #12244d 100%);
  border-radius: 24px;
  padding: 70px 50px;
  text-align: center;
  overflow: hidden;
}
.cta-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.cta-particles span {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
}
.cta-particles span:nth-child(1) { width: 300px; height: 300px; top: -100px; left: -60px; }
.cta-particles span:nth-child(2) { width: 200px; height: 200px; bottom: -50px; right: -40px; }
.cta-particles span:nth-child(3) { width: 100px; height: 100px; top: 40px; right: 30%; }
.cta-particles span:nth-child(4) { width: 60px; height: 60px; bottom: 30px; left: 35%; }

.cta-wrapper > * { position: relative; z-index: 1; }
.cta-wrapper h2 {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.cta-wrapper p {
  font-size: 16px;
  color: rgba(255,255,255,0.45);
  margin-bottom: 40px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  padding: 15px 42px;
  border-radius: 30px;
  text-decoration: none;
  letter-spacing: 1px;
  transition: var(--ms-transition);
  min-width: 160px;
}
.cta-btn-primary {
  background: linear-gradient(135deg, var(--ms-gold), #b8943e);
  color: #fff;
}
.cta-btn-primary:hover {
  background: linear-gradient(135deg, var(--ms-gold-light), var(--ms-gold));
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(200,164,92,0.3);
}
.cta-btn-outline {
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
}
.cta-btn-outline:hover {
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.04);
  color: #fff;
  text-decoration: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .hero-title { font-size: 36px; }
  .hero-price-card { margin: 40px auto 0; }
  .section-heading { font-size: 26px; }
  .privilege-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .member-banner,
  .member-banner .ttm-page-title-row-inner { height: 200px; }
  .member-hero { padding: 60px 0 70px; }
  .hero-title { font-size: 28px; }
  .hero-price-card { padding: 40px 24px 36px; }
  .price-amount { font-size: 48px; }
  .section-heading { font-size: 22px; }
  .section-header { margin-bottom: 40px; }
  .privilege-grid { grid-template-columns: 1fr; }
  .process-steps { flex-direction: column; gap: 30px; }
  .step-line { display: none; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-wrapper { padding: 40px 24px; }
  .cta-wrapper h2 { font-size: 24px; }
}