/* ==========================================
 * 《你的关系决策变化曲线》样式
 * DRG 测评风格 — 紫色主调 / 大圆角 / 渐变
 * 移动端优先，兼容微信内置浏览器
 * ========================================== */

/* ----- CSS 变量 ----- */
:root {
  --color-primary: #6D5BD0;
  --color-primary-dark: #4B3AA8;
  --color-primary-light: #F1EEFF;
  --color-accent: #C04FA0;

  --color-text-main: #1F1F2E;
  --color-text-sub: #6F6B7A;
  --color-text-light: #9B96A8;

  --color-bg: #FAF9F7;
  --color-card: #FFFFFF;
  --color-border: #EEEAE4;

  --color-warning-bg: #FFF4E2;
  --color-warning-text: #A86300;
  --color-danger-bg: #FFF0F0;
  --color-danger-text: #C84646;
  --color-success-bg: #EFFBF5;
  --color-success-text: #168455;

  --max-width: 760px;
  --font-main: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ----- 视图切换 ----- */
.view { display: none; }
.view.active { display: block; animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 56px; padding: 0 32px; border-radius: 999px; border: none;
  font-size: 17px; font-weight: 800; cursor: pointer; font-family: inherit;
  transition: all 0.2s ease; text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #5B49C4);
  color: #fff;
  box-shadow: 0 14px 28px rgba(109,91,208,0.28);
  width: 100%;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(109,91,208,0.35); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: none; transform: none; }

.btn-secondary {
  height: 56px; border-radius: 999px; border: 1.5px solid #E5DED6;
  background: #fff; color: #2C2936; font-size: 17px; font-weight: 700;
  width: 100%;
}
.btn-secondary:hover { background: #FAFAFF; border-color: #CFC6F5; }

/* ========== 落地页 ========== */
.welcome-container { max-width: var(--max-width); margin: 0 auto; padding: 48px 20px 80px; }

.welcome-hero {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 32px;
  padding: 48px 36px;
  text-align: center;
  box-shadow: 0 18px 50px rgba(31,31,46,0.06);
}
@media (max-width: 480px) { .welcome-hero { padding: 32px 22px; border-radius: 24px; } }

.welcome-eyebrow {
  display: inline-flex; padding: 7px 18px; border-radius: 999px;
  background: var(--color-primary-light); color: var(--color-primary);
  font-size: 13px; font-weight: 700; margin-bottom: 24px;
}
.welcome-hero h1 {
  font-size: 30px; line-height: 1.25; font-weight: 900;
  color: var(--color-text-main); margin: 0 0 16px;
}
@media (max-width: 480px) { .welcome-hero h1 { font-size: 24px; } }

.welcome-hero .lead {
  font-size: 17px; line-height: 1.7; color: var(--color-text-sub);
  margin-bottom: 28px; max-width: 480px; margin-left: auto; margin-right: auto;
}

.welcome-trust {
  display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px;
  text-align: left; max-width: 460px; margin-left: auto; margin-right: auto;
}
.welcome-trust-item {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 15px; color: var(--color-text-sub); line-height: 1.6;
}
.welcome-trust-item .check {
  width: 20px; height: 20px; border-radius: 50%; background: var(--color-success-bg);
  color: var(--color-success-text); display: flex; align-items: center; justify-content: center;
  font-size: 12px; flex-shrink: 0; margin-top: 1px;
}

/* 落地页信息卡 */
.welcome-info-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin: 28px 0;
}
@media (max-width: 500px) { .welcome-info-grid { grid-template-columns: 1fr; } }
.welcome-info-card {
  background: linear-gradient(135deg, #f8f6ff, #fff);
  border: 1px solid #e8e3f5; border-radius: 16px;
  padding: 16px; text-align: center;
}
.welcome-info-card h3 { font-size: 15px; font-weight: 800; color: var(--color-primary); margin-bottom: 8px; }
.welcome-info-card p { font-size: 13px; line-height: 1.6; color: var(--color-text-sub); }

.welcome-safe-note {
  margin: 24px 0; padding: 12px 16px;
  background: #f8faf8; border: 1px solid #d4edda; border-radius: 12px;
  font-size: 13px; line-height: 1.6; color: #155724; text-align: center;
}

/* 欢迎页FAQ */
.welcome-faq { margin-top: 40px; }
.welcome-faq-title { font-size: 22px; font-weight: 700; color: var(--color-text-main); margin-bottom: 20px; text-align: center; }
.welcome-faq-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: 16px; margin-bottom: 12px; overflow: hidden; }
.welcome-faq-item summary { padding: 18px 24px; font-size: 15px; font-weight: 600; color: var(--color-text-main); cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.welcome-faq-item summary::after { content: '+'; font-size: 20px; color: var(--color-text-light); transition: transform 0.2s; }
.welcome-faq-item[open] summary::after { transform: rotate(45deg); }
.welcome-faq-item p { padding: 0 24px 18px; font-size: 14px; line-height: 1.7; color: var(--color-text-sub); margin: 0; }

/* ========== 说明页 ========== */
.intro-container { max-width: var(--max-width); margin: 0 auto; padding: 48px 20px; }
.intro-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: 28px; padding: 36px 32px;
  box-shadow: 0 12px 36px rgba(31,31,46,0.05);
  margin-bottom: 20px;
}
.intro-card h2 { font-size: 24px; font-weight: 900; margin-bottom: 16px; }
.intro-card p { font-size: 16px; color: var(--color-text-sub); line-height: 1.9; margin-bottom: 12px; }
.intro-note {
  padding: 16px 20px; background: var(--color-warning-bg);
  border: 1px solid #FFE1A8; border-radius: 12px;
  font-size: 14px; color: var(--color-warning-text); line-height: 1.6;
}
@media (max-width: 480px) { .intro-card { padding: 24px 20px; border-radius: 22px; } }

/* ========== 场景引导卡 ========== */
.scene-intro-container { max-width: var(--max-width); margin: 0 auto; padding: 40px 20px; }
.scene-intro-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: 28px; padding: 44px 32px; text-align: center;
  box-shadow: 0 16px 44px rgba(31,31,46,0.06);
}
.scene-intro-card .scene-number {
  display: inline-flex; padding: 7px 18px; border-radius: 999px;
  background: var(--color-primary-light); color: var(--color-primary);
  font-size: 13px; font-weight: 700; margin-bottom: 16px;
}
.scene-intro-card .scene-title { font-size: 24px; font-weight: 900; margin-bottom: 16px; }
.scene-intro-card .scene-desc { font-size: 16px; color: var(--color-text-sub); line-height: 1.8; margin-bottom: 32px; }
@media (max-width: 480px) { .scene-intro-card { padding: 32px 22px; border-radius: 22px; } }

/* ========== 答题页 ========== */
.quiz-container { max-width: var(--max-width); margin: 0 auto; padding: 40px 20px 72px; }

.progress-block { margin-bottom: 28px; }
.progress-meta { display: flex; justify-content: space-between; color: var(--color-text-light); font-size: 14px; margin-bottom: 10px; }
.progress-track { height: 6px; background: #E8E1D8; border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); border-radius: 999px; transition: width 0.25s ease; }

.question-tag {
  display: inline-flex; align-items: center; padding: 7px 18px;
  border-radius: 999px; background: var(--color-primary-light);
  color: var(--color-primary); font-size: 14px; font-weight: 600;
  margin-bottom: 22px;
}
.question-stem {
  font-size: 24px; line-height: 1.4; font-weight: 800;
  color: var(--color-text-main); margin-bottom: 28px;
}
@media (max-width: 480px) { .question-stem { font-size: 20px; } }

/* 选项组 */
.option-group-label {
  display: inline-flex; padding: 6px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 700; margin-bottom: 12px;
}
.option-group-label.ta { background: #FEF7F0; color: #A87040; border: 1px solid #E8D0B0; }
.option-group-label.self { background: #F0F8F6; color: #3E7068; border: 1px solid #B8D8D0; }

.option-group { margin-bottom: 22px; }

.option-card {
  width: 100%; min-height: 62px; background: #fff;
  border: 1.5px solid var(--color-border); border-radius: 22px;
  padding: 18px 22px; margin-bottom: 10px;
  display: flex; align-items: center; gap: 16px;
  color: #2C2936; font-size: 17px; font-weight: 600;
  cursor: pointer; transition: all 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}
.option-card:hover { border-color: #CFC6F5; background: #FBFAFF; transform: translateY(-1px); }
.option-card.ta-selected { border-color:#C4A060; background:#FEFAF3; box-shadow:0 6px 18px rgba(196,160,96,0.10); }
.option-card.self-selected { border-color:#60A098; background:#F4FAF9; box-shadow:0 6px 18px rgba(96,160,152,0.10); }

.option-radio {
  width: 22px; height: 22px; border-radius: 50%; border: 2px solid #C9C2B8; flex-shrink: 0;
  transition: all 0.2s;
}
.option-card.ta-selected .option-radio {
  border-color: #C4A060;
  background: radial-gradient(circle at center, #C4A060 0 45%, transparent 48%);
}
.option-card.self-selected .option-radio {
  border-color: #60A098;
  background: radial-gradient(circle at center, #60A098 0 45%, transparent 48%);
}
.option-text { flex: 1; line-height: 1.5; }

/* 答题导航 */
.question-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 36px; }
@media (max-width: 480px) { .question-actions { grid-template-columns: 1fr; } }

/* ========== 加载态 ========== */
.loading-container { max-width: var(--max-width); margin: 0 auto; padding: 80px 20px; }
.loading-card {
  background: #fff; border-radius: 28px; padding: 48px 36px;
  text-align: center; box-shadow: 0 18px 48px rgba(31,31,46,0.06);
  border: 1px solid var(--color-border);
}
.loading-spinner {
  width: 48px; height: 48px; border: 4px solid var(--color-primary-light);
  border-top-color: var(--color-primary); border-radius: 50%;
  animation: spin 1s linear infinite; margin: 0 auto 24px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-size: 18px; font-weight: 600; color: var(--color-primary); }
.loading-sub { font-size: 14px; color: var(--color-text-light); margin-top: 10px; }

/* ========== 结果页 ========== */
.result-container { max-width: 860px; margin: 0 auto; padding: 32px 18px 80px; }

/* Result Hero */
.result-hero {
  background:
    radial-gradient(circle at 20% 0%, rgba(192,79,160,0.10), transparent 28%),
    linear-gradient(135deg, #FFFFFF 0%, #F8F5FF 100%);
  border: 1px solid #EEE8F8; border-radius: 32px; padding: 40px 34px;
  box-shadow: 0 18px 50px rgba(64,45,120,0.08); margin-bottom: 22px;
}
.result-hero .eyebrow {
  display: inline-flex; padding: 7px 16px; border-radius: 999px;
  background: var(--color-primary-light); color: var(--color-primary);
  font-size: 13px; font-weight: 700; margin-bottom: 18px;
}
.result-hero h1 {
  font-size: 28px; line-height: 1.3; font-weight: 900;
  color: var(--color-text-main); margin: 0 0 14px;
}
.result-hero .hero-lead {
  font-size: 20px; line-height: 1.55; font-weight: 800;
  color: var(--color-primary-dark); margin: 0 0 14px;
}
.result-hero .hero-sub {
  font-size: 16px; line-height: 1.8; color: #5E596B; margin: 0 0 24px;
}

/* 通用结果卡片 */
.result-section {
  background: #fff; border: 1px solid var(--color-border); border-radius: 28px;
  padding: 32px 34px; margin: 20px 0; box-shadow: 0 10px 32px rgba(31,31,46,0.04);
}
.result-section .section-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 20px; line-height: 1.4; font-weight: 800;
  color: var(--color-text-main); margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}
.result-section .section-icon {
  width: 28px; height: 28px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--color-primary-light); color: var(--color-primary);
  font-size: 15px; flex-shrink: 0;
}
.result-section-body { font-size: 15px; line-height: 2; color: #4B4658; }
.result-section-body p { margin: 0 0 16px; }
.result-section-body p:last-child { margin-bottom: 0; }
.result-section-body strong { color: var(--color-primary-dark); font-weight: 700; }

/* 洞见框 */
.insight-box {
  border-radius: 20px; padding: 20px 24px; font-size: 16px;
  line-height: 1.9; font-weight: 600; margin: 18px 0;
}
.insight-box.purple { background: #F3F0FF; color: var(--color-primary-dark); border: 1px solid #DDD5FF; }
.insight-box.danger { background: var(--color-danger-bg); color: var(--color-danger-text); border: 1px solid #FFD0D0; }
.insight-box.success { background: var(--color-success-bg); color: var(--color-success-text); border: 1px solid #CDEEDD; }
.insight-box.warning { background: var(--color-warning-bg); color: var(--color-warning-text); border: 1px solid #FFE1A8; }

/* 决策问题大框 */
.decision-question {
  font-size: 17px; font-weight: 700; color: var(--color-text-main);
  margin: 14px 0; padding: 14px 18px;
  background: var(--color-primary-light); border: 1px solid #DDD5FF;
  border-radius: 14px; line-height: 1.6;
}

/* 场景对照卡网格 */
.scene-cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
@media (max-width: 500px) { .scene-cards { grid-template-columns: 1fr; } }
.scene-card {
  padding: 20px 18px; background: linear-gradient(135deg, #f8f6ff, #fff);
  border: 1px solid #e8e3f5; border-radius: 16px;
}
.scene-card .card-scene-name { font-size: 14px; font-weight: 800; color: var(--color-primary); margin-bottom: 12px; }
.scene-card .card-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 6px; }
.scene-card .card-label { font-size: 13px; color: var(--color-text-light); min-width: 24px; }
.scene-card .card-value { font-size: 13px; color: var(--color-text-main); line-height: 1.5; font-weight: 600; }
.scene-card .card-insight { margin-top: 12px; padding-top: 12px; border-top: 1px solid #e8e3f5; font-size: 13px; color: var(--color-text-sub); line-height: 1.7; }

/* 影响入口 */
.influence-entry {
  border: 2px solid #DDD5FF; border-radius: 24px;
  padding: 28px 24px; background: linear-gradient(135deg, #FBFAFF 0%, #FFFFFF 100%);
}

/* 标签行 */
.tags-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-block; padding: 6px 16px; font-size: 14px; border-radius: 999px;
  background: var(--color-primary-light); color: var(--color-primary);
  font-weight: 600;
}

/* SWOT 状态网格 */
.status-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 20px 0;
}
@media (max-width: 420px) { .status-grid { grid-template-columns: 1fr; } }
.status-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: 20px;
  padding: 20px 16px; box-shadow: 0 6px 18px rgba(31,31,46,0.03);
}
.status-card .status-label { display: block; color: var(--color-text-light); font-size: 13px; margin-bottom: 6px; }
.status-card .status-value { display: block; font-size: 20px; line-height: 1.2; color: var(--color-text-main); font-weight: 800; margin-bottom: 6px; }
.status-card .status-desc { font-size: 13px; line-height: 1.55; color: var(--color-text-sub); }

/* ========== 最终 CTA ========== */
.final-cta {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-accent) 100%);
  color: #fff; border-radius: 32px; padding: 38px 34px; text-align: center;
  margin-top: 26px; box-shadow: 0 22px 54px rgba(109,91,208,0.28);
}
.cta-badge {
  display: inline-flex; padding: 7px 16px;
  background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.24);
  border-radius: 999px; font-size: 13px; font-weight: 800; margin-bottom: 16px;
}
.final-cta h2 { font-size: 26px; line-height: 1.35; font-weight: 900; margin: 0 0 12px; }
.final-cta p { max-width: 560px; margin: 0 auto 18px; font-size: 15px; line-height: 1.8; color: rgba(255,255,255,0.88); }
.cta-offer {
  display: inline-flex; background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22); border-radius: 18px;
  padding: 12px 16px; font-weight: 800; margin-bottom: 20px; font-size: 15px;
}
.final-cta button {
  display: block; margin: 0 auto 10px; height: 52px; padding: 0 28px;
  border: none; border-radius: 999px; background: #fff;
  color: var(--color-primary-dark); font-size: 17px; font-weight: 900;
  cursor: pointer; font-family: inherit; transition: all 0.2s;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}
.final-cta button:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,0.2); }
.final-cta small { display: block; color: rgba(255,255,255,0.72); font-size: 13px; }

/* 结果底部 */
.result-footer { text-align: center; padding: 28px 20px 16px; font-size: 14px; color: var(--color-text-light); }
.result-footer a { color: var(--color-primary); font-weight: 600; text-decoration: none; }
.result-reset {
  background: none; border: 1px solid var(--color-border); font-size: 14px;
  color: var(--color-text-sub); cursor: pointer; padding: 10px 28px;
  border-radius: 40px; font-family: inherit; transition: 0.2s; margin-top: 12px;
}
.result-reset:hover { background: var(--color-primary-light); border-color: var(--color-primary); color: var(--color-primary); }

/* ========== 微信弹窗 ========== */
.wechat-modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; justify-content: center; align-items: center; }
.wechat-modal.active { display: flex; }
.wechat-modal-content {
  background: white; border-radius: 24px; padding: 40px 32px; text-align: center;
  max-width: 360px; width: 90%; animation: fadeIn 0.3s ease;
  box-shadow: 0 24px 60px rgba(0,0,0,0.2);
}
.wechat-modal-icon { font-size: 52px; margin-bottom: 14px; }
.wechat-modal-title { font-size: 20px; font-weight: 700; color: var(--color-text-main); margin-bottom: 10px; }
.wechat-modal-id { font-size: 30px; font-weight: 800; color: var(--color-primary); margin: 10px 0 18px; letter-spacing: 1px; }
.wechat-modal-copy {
  background: var(--color-primary); color: white; border: none; padding: 12px 28px;
  border-radius: 40px; font-size: 15px; font-weight: 600; cursor: pointer; font-family: inherit;
  transition: all 0.2s;
}
.wechat-modal-copy:hover { background: var(--color-primary-dark); }
.wechat-modal-close { background: none; border: none; color: var(--color-text-light); font-size: 14px; margin-top: 14px; cursor: pointer; font-family: inherit; }

/* ========== 免责 ========== */
.disclaimer {
  font-size: 13px; color: var(--color-text-light); line-height: 1.6;
  padding: 14px 16px; text-align: center;
}

/* ========== 图表容器 ========== */
.chart-container {
  width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch;
  margin: 8px 0;
}
.chart-container svg { display: block; max-width: 100%; height: auto; }

/* Tooltip */
.chart-tooltip {
  position: fixed;
  padding: 10px 14px;
  background: rgba(26, 26, 26, 0.92);
  color: #fff;
  font-size: 13px;
  border-radius: 8px;
  line-height: 1.6;
  pointer-events: none;
  z-index: 1000;
  max-width: 240px;
}

/* ========== 响应式 ========== */
@media (max-width: 600px) {
  .result-hero { padding: 28px 22px; border-radius: 24px; }
  .result-hero h1 { font-size: 24px; }
  .result-section { padding: 22px 18px; border-radius: 22px; }
  .final-cta { padding: 28px 22px; border-radius: 24px; }
  .final-cta h2 { font-size: 22px; }
  .question-stem { font-size: 20px; }
  .option-card { font-size: 15px; padding: 16px 18px; min-height: 56px; }
}