/* ========================================
   WPS9 - Indigo Pulse / 靛蓝脉动主题
   深靛蓝 + 紫罗兰 + 珊瑚粉 + 青绿
======================================== */

:root {
  --indigo: #1e1b4b;
  --indigo-light: #312e81;
  --violet: #7c3aed;
  --violet-light: #a78bfa;
  --coral: #f472b6;
  --teal: #14b8a6;
  --amber: #f59e0b;
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-600: #52525b;
  --gray-800: #27272a;
  --surface: #f8f7ff;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
}

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

/* ========== 导航栏 ========== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(30, 27, 75, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(124, 58, 237, 0.3);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--violet), var(--coral));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-brand-icon svg { width: 22px; height: 22px; }

.nav-brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  border-radius: 20px;
  transition: all 0.2s;
}

.nav-link:hover {
  color: var(--white);
  background: rgba(124, 58, 237, 0.3);
}

.nav-link.active {
  color: var(--white);
  background: var(--violet);
}

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn svg { width: 18px; height: 18px; }

.btn-violet {
  background: linear-gradient(135deg, var(--violet), #8b5cf6);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}

.btn-violet:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
}

.btn-coral {
  background: linear-gradient(135deg, var(--coral), #fb7185);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(244, 114, 182, 0.35);
}

.btn-coral:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(244, 114, 182, 0.45);
}

.btn-teal {
  background: linear-gradient(135deg, var(--teal), #2dd4bf);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(20, 184, 166, 0.35);
}

.btn-teal:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(20, 184, 166, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--violet);
  border: 2px solid var(--violet);
}

.btn-outline:hover {
  background: var(--violet);
  color: var(--white);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--indigo);
}

.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ========== 通用区块 ========== */
.sec {
  padding: 80px 0;
}

.sec-indigo {
  background: linear-gradient(180deg, var(--indigo) 0%, var(--indigo-light) 100%);
  color: var(--white);
}

.sec-surface {
  background: var(--surface);
}

.sec-gray {
  background: var(--gray-100);
}

.sec-head {
  text-align: center;
  margin-bottom: 48px;
}

.sec-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
}

.sec-badge-violet { background: rgba(124, 58, 237, 0.15); color: var(--violet); }
.sec-badge-coral { background: rgba(244, 114, 182, 0.15); color: var(--coral); }
.sec-badge-teal { background: rgba(20, 184, 166, 0.15); color: var(--teal); }
.sec-badge-white { background: rgba(255, 255, 255, 0.15); color: var(--white); }

.sec-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.sec-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.sec-title.light,
.sec-title-light { color: var(--white); }

.sec-sub {
  font-size: 18px;
  color: var(--gray-600);
  max-width: 640px;
  margin: 0 auto;
}

.sec-sub.light,
.sec-sub-light { color: rgba(255, 255, 255, 0.8); }

.hl { color: var(--violet); }
.hl2 { color: var(--coral); }
.hl3 { color: var(--teal); }

/* ========== Hero 区域 ========== */
.hero {
  padding: 140px 0 100px;
  background: linear-gradient(135deg, var(--indigo) 0%, #2e1065 50%, var(--indigo-light) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.3) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, rgba(244, 114, 182, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-text { text-align: left; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  font-size: 14px;
  color: var(--white);
  margin-bottom: 24px;
}

.hero-eyebrow-dot {
  width: 8px;
  height: 8px;
  background: var(--teal);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-h1 {
  font-size: 48px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-btns {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

/* Hero Mockup */
.hero-visual { position: relative; }

.hero-mockup {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.hm-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hm-dots {
  display: flex;
  gap: 6px;
}

.hm-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.hm-dots .r { background: #f87171; }
.hm-dots .y { background: #fbbf24; }
.hm-dots .g { background: #34d399; }

.hm-tabs {
  display: flex;
  gap: 8px;
}

.hm-tab {
  padding: 6px 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  border-radius: 6px;
  cursor: pointer;
}

.hm-tab.active {
  background: var(--violet);
  color: var(--white);
}

.hm-body {
  display: flex;
  min-height: 200px;
}

.hm-sidebar {
  width: 60px;
  background: rgba(0, 0, 0, 0.15);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hm-sb-item {
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
}

.hm-sb-item.active {
  background: var(--violet);
}

.hm-content {
  flex: 1;
  padding: 16px;
}

.hm-toolbar {
  height: 32px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  margin-bottom: 16px;
}

.hm-doc {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hm-line {
  height: 12px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

.hm-line.w80 { width: 80%; }
.hm-line.w60 { width: 60%; }
.hm-line.w90 { width: 90%; }
.hm-line.w70 { width: 70%; }
.hm-line.w50 { width: 50%; }

.hm-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.hm-stat {
  background: rgba(0, 0, 0, 0.2);
  padding: 16px;
  text-align: center;
}

.hm-stat-n {
  display: block;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 4px;
}

.hm-stat-n.c-violet { color: var(--violet-light); }
.hm-stat-n.c-coral { color: var(--coral); }
.hm-stat-n.c-teal { color: var(--teal); }

.hm-stat-l {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

/* ========== 数据统计带 ========== */
.stats-band {
  background: var(--white);
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-200);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item { padding: 16px; }

.stat-num {
  display: block;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 6px;
}

.stat-num.c-violet { color: var(--violet); }
.stat-num.c-coral { color: var(--coral); }
.stat-num.c-teal { color: var(--teal); }
.stat-num.c-amber { color: var(--amber); }

.stat-lbl {
  font-size: 14px;
  color: var(--gray-600);
}

/* ========== Section Eyebrow ========== */
.sec-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
}

.sec-eyebrow.ey-violet { background: rgba(124, 58, 237, 0.12); color: var(--violet); }
.sec-eyebrow.ey-coral { background: rgba(244, 114, 182, 0.12); color: var(--coral); }
.sec-eyebrow.ey-teal { background: rgba(20, 184, 166, 0.12); color: var(--teal); }
.sec-eyebrow.ey-white { background: rgba(255, 255, 255, 0.15); color: var(--white); }

.ey-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.ey-dot.white { background: var(--white); }

.sec-white { background: var(--white); }

/* ========== 功能特色 ========== */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.feat-card {
  background: var(--white);
  border-radius: 16px;
  padding: 32px 28px;
  border: 1px solid var(--gray-200);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.feat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--violet);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.feat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.12);
}

.feat-card:hover::before { transform: scaleX(1); }

.feat-card.fc-coral::before { background: var(--coral); }
.feat-card.fc-teal::before { background: var(--teal); }
.feat-card.fc-amber::before { background: var(--amber); }
.feat-card.fc-indigo::before { background: var(--indigo); }
.feat-card.fc-violet::before { background: var(--violet); }
.feat-card.fc-rose::before { background: #f43f5e; }
.feat-card.fc-sky::before { background: #0ea5e9; }

.feat-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feat-icon svg { width: 28px; height: 28px; }

.feat-icon.fi-violet { background: rgba(124, 58, 237, 0.12); color: var(--violet); }
.feat-icon.fi-coral { background: rgba(244, 114, 182, 0.12); color: var(--coral); }
.feat-icon.fi-teal { background: rgba(20, 184, 166, 0.12); color: var(--teal); }
.feat-icon.fi-amber { background: rgba(245, 158, 11, 0.12); color: var(--amber); }
.feat-icon.fi-indigo { background: rgba(30, 27, 75, 0.12); color: var(--indigo); }
.feat-icon.fi-rose { background: rgba(244, 63, 94, 0.12); color: #f43f5e; }
.feat-icon.fi-sky { background: rgba(14, 165, 233, 0.12); color: #0ea5e9; }

.feat-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 12px;
}

.feat-desc {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.65;
}

/* 深入介绍段落 */
.deep-section {
  margin-top: 48px;
}

.deep-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0;
}

.deep-row.flip .deep-info { order: 2; }
.deep-row.flip .deep-visual { order: 1; }

.deep-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
}

.deep-chip.dc-violet { background: rgba(124, 58, 237, 0.2); color: var(--violet-light); }
.deep-chip.dc-coral { background: rgba(244, 114, 182, 0.15); color: var(--coral); }
.deep-chip.dc-teal { background: rgba(20, 184, 166, 0.2); color: var(--teal); }
.deep-chip.dc-amber { background: rgba(245, 158, 11, 0.15); color: var(--amber); }

.dc-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.deep-h3 {
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 16px;
  line-height: 1.3;
}

.deep-h3.light { color: var(--white); }

.deep-desc {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 20px;
}

.deep-desc.light { color: rgba(255, 255, 255, 0.8); }

.deep-list {
  list-style: none;
}

.deep-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--gray-600);
}

.deep-list-item.light { color: rgba(255, 255, 255, 0.85); }

.dl-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dl-dot.violet { background: var(--violet-light); }
.dl-dot.coral { background: var(--coral); }
.dl-dot.teal { background: var(--teal); }
.dl-dot.amber { background: var(--amber); }

.deep-visual {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 32px;
  min-height: 280px;
}

/* Deep Visual Panel */
.dv-panel {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 24px;
}

.dv-panel.dark {
  background: linear-gradient(135deg, var(--indigo), var(--indigo-light));
}

.dv-title {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
}

.dv-title.light { color: rgba(255, 255, 255, 0.9); }

.dv-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.dv-bar-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  min-width: 80px;
}

.dv-bar-label.light { color: rgba(255, 255, 255, 0.9); }

.dv-bar-track {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  overflow: hidden;
}

.dv-bar-track.dark { background: rgba(0, 0, 0, 0.2); }

.dv-bar-fill {
  height: 100%;
  border-radius: 4px;
}

.dv-bar-fill.dvf-violet { background: linear-gradient(90deg, var(--violet), var(--violet-light)); }
.dv-bar-fill.dvf-coral { background: linear-gradient(90deg, var(--coral), #fb7185); }
.dv-bar-fill.dvf-teal { background: linear-gradient(90deg, var(--teal), #2dd4bf); }
.dv-bar-fill.dvf-amber { background: linear-gradient(90deg, var(--amber), #fbbf24); }

.dv-bar-val {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  min-width: 40px;
  text-align: right;
}

.dv-bar-val.light { color: var(--white); }

.dv-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.dv-stat {
  text-align: center;
}

.dv-stat.dark { background: rgba(0, 0, 0, 0.1); padding: 12px; border-radius: 8px; }

.dv-stat-n {
  display: block;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 4px;
}

.dv-stat-n.c-violet { color: var(--violet-light); }
.dv-stat-n.c-coral { color: var(--coral); }
.dv-stat-n.c-teal { color: var(--teal); }
.dv-stat-n.c-amber { color: var(--amber); }

.dv-stat-l {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.dv-stat-l.light { color: rgba(255, 255, 255, 0.8); }

/* ========== 多平台支持 ========== */
.plat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.plat-card {
  background: var(--white);
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  border: 2px solid var(--gray-200);
  transition: all 0.3s;
}

.plat-card:hover {
  border-color: var(--violet);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.12);
}

.plat-card.featured {
  border-color: var(--violet);
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.05) 0%, var(--white) 100%);
  position: relative;
}

.plat-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 14px;
  background: var(--violet);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  border-radius: 12px;
}

.plat-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--gray-100);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.plat-icon svg { width: 32px; height: 32px; color: var(--gray-800); }

.plat-icon.pi-win { background: linear-gradient(135deg, #0078d4, #00bcf2); }
.plat-icon.pi-win svg { color: var(--white); }
.plat-icon.pi-mac { background: linear-gradient(135deg, #333, #666); }
.plat-icon.pi-mac svg { color: var(--white); }
.plat-icon.pi-ios { background: linear-gradient(135deg, #007aff, #5ac8fa); }
.plat-icon.pi-ios svg { color: var(--white); }
.plat-icon.pi-and { background: linear-gradient(135deg, #3ddc84, #00c853); }
.plat-icon.pi-and svg { color: var(--white); }

.plat-desc {
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 20px;
}

.plat-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.plat-ver {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 8px;
}

.plat-req {
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 20px;
  line-height: 1.5;
}

.plat-btn {
  width: 100%;
}

/* ========== 用户评价 ========== */
.rev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.rev-card {
  background: var(--white);
  border-radius: 16px;
  padding: 28px;
  border: 1px solid var(--gray-200);
}

.rev-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.rev-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.rev-avatar.av-violet { background: linear-gradient(135deg, var(--violet), #8b5cf6); }
.rev-avatar.av-coral { background: linear-gradient(135deg, var(--coral), #fb7185); }
.rev-avatar.av-teal { background: linear-gradient(135deg, var(--teal), #2dd4bf); }
.rev-avatar.av-amber { background: linear-gradient(135deg, var(--amber), #fbbf24); }
.rev-avatar.av-indigo { background: linear-gradient(135deg, var(--indigo), var(--indigo-light)); }
.rev-avatar.av-rose { background: linear-gradient(135deg, #f43f5e, #fb7185); }

.rev-meta { flex: 1; }

.rev-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
}

.rev-role {
  font-size: 13px;
  color: var(--gray-600);
}

.rev-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 14px;
}

.rev-star { color: var(--amber); }

.rev-text {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.65;
}

/* ========== 安全保障 ========== */
.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.security-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
}

.security-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(124, 58, 237, 0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.security-icon svg { width: 28px; height: 28px; color: var(--violet-light); }

.security-icon.si-coral { background: rgba(244, 114, 182, 0.2); }
.security-icon.si-coral svg { color: var(--coral); }
.security-icon.si-teal { background: rgba(20, 184, 166, 0.2); }
.security-icon.si-teal svg { color: var(--teal); }
.security-icon.si-amber { background: rgba(245, 158, 11, 0.2); }
.security-icon.si-amber svg { color: var(--amber); }

.security-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}

.security-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

/* 对比表格 */
.cmp-wrap {
  background: var(--surface);
  border-radius: 16px;
  padding: 32px;
  overflow-x: auto;
  border: 1px solid var(--gray-200);
}

.cmp-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.cmp-table th,
.cmp-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.cmp-table th {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-100);
}

.cmp-table td {
  font-size: 14px;
  color: var(--gray-700);
}

.cmp-table .cmp-hl {
  background: rgba(124, 58, 237, 0.08);
}

.cmp-table .yes { color: var(--teal); font-weight: 600; }
.cmp-table .no { color: #f87171; font-weight: 600; }
.cmp-table .part { color: var(--amber); font-weight: 600; }

/* ========== 安全保障 ========== */
.sec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.sec-item {
  background: var(--surface);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: all 0.3s;
}

.sec-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.sec-item-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.sec-item-icon svg {
  width: 28px;
  height: 28px;
}

.sec-item-icon.si-violet { background: rgba(124, 58, 237, 0.12); color: var(--violet); }
.sec-item-icon.si-coral { background: rgba(244, 114, 182, 0.12); color: var(--coral); }
.sec-item-icon.si-teal { background: rgba(20, 184, 166, 0.12); color: var(--teal); }
.sec-item-icon.si-amber { background: rgba(245, 158, 11, 0.12); color: var(--amber); }

.sec-item-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.sec-item-desc {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

.cmp-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-800);
  text-align: center;
  margin-bottom: 24px;
}

/* ========== 版本选择 ========== */
.ver-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.ver-card {
  background: var(--white);
  border-radius: 20px;
  padding: 36px 32px;
  border: 2px solid var(--gray-200);
  position: relative;
  transition: all 0.3s;
}

.ver-card:hover {
  border-color: var(--violet);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.12);
}

.ver-card.featured {
  border-color: var(--violet);
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.06) 0%, var(--white) 100%);
}

.ver-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  padding: 4px 14px;
  background: linear-gradient(90deg, var(--violet), var(--coral));
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  border-radius: 12px;
}

.ver-header {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-200);
}

.ver-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 12px;
}

.ver-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.ver-amount {
  font-size: 36px;
  font-weight: 800;
  color: var(--violet);
}

.ver-period {
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-600);
}

.ver-features {
  list-style: none;
  margin-bottom: 28px;
}

.ver-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--gray-600);
}

.ver-features li svg {
  color: var(--teal);
  flex-shrink: 0;
}

.ver-btn {
  width: 100%;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: 12px;
  margin-bottom: 12px;
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
  transition: all 0.2s;
}

.faq-question:hover {
  color: var(--violet);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--gray-600);
  transition: transform 0.3s;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 24px 24px;
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ========== CTA Banner ========== */
.cta-banner {
  background: linear-gradient(135deg, var(--violet) 0%, var(--indigo) 50%, var(--coral) 100%);
  padding: 80px 0;
  text-align: center;
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
}

.cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 30px;
  font-size: 14px;
  color: var(--white);
  margin-bottom: 24px;
}

.cta-dot {
  width: 8px;
  height: 8px;
  background: var(--teal);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.cta-h2 {
  font-size: 40px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.cta-p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}

.cta-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.btn-white {
  background: var(--white);
  color: var(--violet);
}

.btn-white:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}

.btn-outline-w {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-w:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--indigo);
  padding: 40px 0;
  text-align: center;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.footer-brand-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-brand-icon svg {
  width: 24px;
  height: 24px;
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.footer-security {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

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

/* ========== 动画 ========== */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-text { text-align: center; }
  .hero-btns { justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero-visual { max-width: 500px; margin: 0 auto; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .plat-grid { grid-template-columns: repeat(2, 1fr); }
  .rev-grid { grid-template-columns: repeat(2, 1fr); }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
  .sec-grid { grid-template-columns: repeat(2, 1fr); }
  .ver-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .deep-row { grid-template-columns: 1fr; gap: 32px; }
  .deep-row.flip .deep-info { order: 1; }
  .deep-row.flip .deep-visual { order: 2; }
  .stats-row { grid-template-columns: repeat(3, 1fr); }
  .cta-btns { flex-direction: column; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--indigo);
    flex-direction: column;
    padding: 20px;
    gap: 8px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.3s;
  }
  
  .nav-menu.show {
    transform: translateY(0);
    opacity: 1;
  }
  
  .nav-toggle { display: flex; }
  
  .hero { padding: 120px 0 80px; }
  .hero-h1 { font-size: 36px; }
  .hero-p { font-size: 17px; }
  .hero-btns { flex-direction: column; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .hero-stat { padding: 20px 12px; }
  .hero-stat-num { font-size: 26px; }
  
  .sec { padding: 60px 0; }
  .sec-title { font-size: 28px; }
  .sec-sub { font-size: 16px; }
  
  .feat-grid { grid-template-columns: 1fr; }
  .plat-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
  .rev-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .sec-grid { grid-template-columns: 1fr 1fr; }
  
  .deep-visual { min-height: 220px; padding: 24px; }
  .deep-title { font-size: 24px; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  .hero-h1 { font-size: 30px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stat-num { font-size: 22px; }
  .feat-card { padding: 24px 20px; }
  .plat-card { padding: 28px 20px; }
  .ver-card { padding: 28px 24px; }
  .faq-question { padding: 16px 20px; font-size: 15px; }
  .faq-answer-inner { padding: 0 20px 20px; }
}