/* PainRadar 首页样式 — 浅色主题 */
.hero { position: relative; text-align: center; padding: 70px 32px 40px; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; }
.orb-1 { width: 420px; height: 420px; background: rgba(99, 102, 241, 0.16); top: -120px; left: -80px; }
.orb-2 { width: 360px; height: 360px; background: rgba(168, 85, 247, 0.12); bottom: -140px; right: -60px; }
.hero h1 { font-size: clamp(36px, 6vw, 58px); line-height: 1.15; margin: 0 0 20px; letter-spacing: -0.5px; color: var(--text); }
.grad {
  background: linear-gradient(90deg, var(--indigo), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .sub { max-width: 720px; margin: 0 auto 22px; color: var(--muted); font-size: 17px; }
.hero .sub strong { color: var(--text); }
.hero-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.hero-badges span {
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.25);
  font-size: 14px;
  color: #4f46e5;
}

/* 搜索卡片 */
.search-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px;
  text-align: left;
  box-shadow: 0 12px 40px rgba(31, 41, 55, 0.08);
}
.platform-label { display: block; font-size: 14px; color: var(--muted); margin: 14px 0 8px; }
.platform-label em { font-style: normal; color: #9ca3af; font-size: 13px; }
.platform-options { display: flex; flex-wrap: wrap; gap: 8px; }
.platform-opt {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 13px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--card-2);
  cursor: pointer;
  font-size: 14px;
  transition: border-color 0.15s;
}
.platform-opt:hover { border-color: var(--indigo); }
.platform-opt:has(input:checked) { border-color: var(--indigo); background: rgba(99, 102, 241, 0.08); }
.pf-tag {
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(5, 150, 105, 0.12);
  color: var(--ok);
  font-size: 12px;
}
.search-row { display: flex; gap: 10px; margin-top: 18px; }
.input-wrap { position: relative; flex: 1; }
.search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.input-wrap input {
  width: 100%;
  padding: 14px 14px 14px 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-2);
  color: var(--text);
  font-size: 16px;
  outline: none;
}
.input-wrap input:focus { border-color: var(--indigo); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15); }
.btn-go {
  padding: 14px 22px;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--indigo), var(--purple));
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  white-space: nowrap;
}
.btn-go:hover { filter: brightness(1.08); }
.card-foot { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 16px; }
.limit-row { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.limit-row input {
  width: 68px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card-2);
  color: var(--text);
  font-size: 15px;
}
.examples { font-size: 14px; color: var(--muted); }
.chips { margin-left: 6px; }
.chip {
  margin-left: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 13px;
  color: #4f46e5;
  background: var(--card);
}
.chip:hover { border-color: var(--indigo); }

/* 示例报告 */
.sample { padding: 60px 32px; }
.section-badge {
  display: inline-block;
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.5px;
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: #9333ea;
  margin-bottom: 14px;
}
.sample h2, .how h2 { font-size: 32px; margin: 0 0 10px; }
.sample-sub, .how-sub { color: var(--muted); margin: 0 0 28px; max-width: 640px; font-size: 16px; }
.sample-result { max-width: 860px; margin: 0 auto; }
.sr-summary { margin-bottom: 16px; }
.sr-title { font-size: 22px; font-weight: 700; }
.sr-topic { color: var(--indigo); }
.sr-pill {
  display: inline-block;
  margin-left: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 14px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #4f46e5;
}
.sr-meta { color: var(--muted); font-size: 16px; margin-top: 6px; }
.sr-tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.sr-tab {
  padding: 9px 15px;
  border-radius: 9px;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  background: var(--card);
}
.sr-tab.active { border-color: var(--indigo); color: var(--text); background: rgba(99, 102, 241, 0.08); font-weight: 600; }
.sr-tab b { margin-left: 6px; }
.sample-cards { display: flex; flex-direction: column; gap: 12px; }
.sample-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left-width: 5px;
  border-radius: 12px;
  padding: 20px 22px;
  box-shadow: 0 4px 18px rgba(31, 41, 55, 0.05);
}
/* 示例卡片按板块颜色区分（与结果页一致） */
.sample-card { border-left-color: #10b981; }
.sample-card:has(.sc-badge.tech) { border-left-color: #8b5cf6; background: linear-gradient(90deg, rgba(139, 92, 246, 0.04), var(--card) 40%); }
.sample-card:has(.sc-badge.idea) { border-left-color: #ec4899; background: linear-gradient(90deg, rgba(236, 72, 153, 0.04), var(--card) 40%); }
.sample-card:has(.sc-badge.high) { background: linear-gradient(90deg, rgba(16, 185, 129, 0.04), var(--card) 40%); }
.sc-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.sc-title { font-weight: 600; font-size: 16px; }
.sc-badge { flex: none; padding: 4px 11px; border-radius: 999px; font-size: 13px; font-weight: 700; }
.sc-badge.high { background: rgba(5, 150, 105, 0.12); color: var(--ok); }
.sc-badge.tech { background: rgba(147, 51, 234, 0.12); color: #9333ea; }
.sc-badge.idea { background: rgba(236, 72, 153, 0.12); color: var(--pink); }
.sc-metrics { display: flex; gap: 14px; flex-wrap: wrap; margin: 10px 0 8px; font-size: 14px; color: var(--muted); }
.sc-m b { color: var(--text); }
.sc-m .pay.high { color: var(--ok); }
.sc-idea { font-size: 15px; margin-bottom: 10px; }
.sc-chips { display: flex; flex-direction: column; gap: 6px; }
.sc-chip {
  padding: 9px 12px;
  border-radius: 8px;
  background: var(--card-2);
  border: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.sc-chip b { color: #4f46e5; font-size: 13px; flex: none; }
.sc-chip i { font-style: normal; color: var(--text); font-size: 14px; flex: 1; }
.sc-more { margin-top: 10px; }
.sc-more a { font-size: 14px; font-weight: 600; color: var(--indigo); text-decoration: none; }
.sc-more a:hover { text-decoration: underline; }
.sr-detail { margin-top: 22px; }
.sr-detail-label { color: var(--muted); font-size: 14px; margin-bottom: 10px; }
.detail-mini {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 4px 18px rgba(31, 41, 55, 0.05);
}
.dm-top { display: flex; justify-content: space-between; margin-bottom: 10px; }
.dm-badge {
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 13px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #4f46e5;
}
.dm-score { font-weight: 700; }
.dm-score.high { color: var(--ok); }
.dm-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.dm-metrics { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.dm-metric { flex: 1 1 120px; text-align: center; padding: 11px; border-radius: 9px; background: var(--card-2); border: 1px solid var(--border); }
.dm-metric b { display: block; font-size: 17px; }
.dm-metric .pay.high { color: var(--ok); }
.dm-metric i { font-style: normal; color: var(--muted); font-size: 13px; }
.dm-block { font-size: 15px; background: rgba(99, 102, 241, 0.06); border: 1px solid rgba(99, 102, 241, 0.2); border-radius: 10px; padding: 13px 15px; margin-bottom: 14px; }
.dm-steps { margin-bottom: 14px; }
.dm-step { display: flex; gap: 10px; font-size: 15px; color: var(--muted); margin-bottom: 8px; }
.dm-step span {
  flex: none;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(90deg, var(--indigo), var(--purple));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}
.dm-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 14px; }
.dm-foot a { color: var(--indigo); font-weight: 600; text-decoration: none; }
.dm-note { color: var(--muted); font-size: 13px; }
.sample-note { text-align: center; color: var(--muted); font-size: 14px; margin-top: 20px; }

/* 三步流程 */
.how { padding: 60px 32px; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; max-width: 960px; margin: 0 auto; }
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 4px 18px rgba(31, 41, 55, 0.05);
}
.step-num {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--indigo), var(--purple));
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}
.step h3 { margin: 0 0 8px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* CTA + 页脚 */
.cta { padding: 30px 32px 70px; }
.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  background: var(--card);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 18px;
  padding: 44px 28px;
  box-shadow: 0 12px 40px rgba(31, 41, 55, 0.08);
}
.cta-inner h2 { font-size: 28px; margin: 0 0 10px; }
.cta-inner p { color: var(--muted); margin: 0 0 22px; font-size: 16px; }
.btn-white {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--indigo), var(--purple));
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}
.btn-white:hover { filter: brightness(1.08); }
footer { text-align: center; color: var(--muted); font-size: 14px; padding: 24px 16px 40px; border-top: 1px solid var(--border); }

/* 加载遮罩（搜索时显示） */
#loading {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(246, 247, 251, 0.94);
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
#loading.show { display: flex; }
.radar {
  position: relative;
  width: 90px;
  height: 90px;
  margin: 0 auto;  /* 块级元素水平居中，让雷达图标正好在 loading 文字正上方 */
  border: 2px solid rgba(99, 102, 241, 0.5);
  border-radius: 50%;
  animation: radar-spin 2s linear infinite;
}
.radar::before,
.radar::after {
  content: "";
  position: absolute;
  background: rgba(99, 102, 241, 0.3);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.radar::before { width: 100%; height: 2px; }
.radar::after { width: 2px; height: 100%; }
.radar .dot {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  border-radius: 50%;
  background: var(--pink);
}
@keyframes radar-spin { to { transform: rotate(360deg); } }
.loading-text { margin-top: 20px; font-size: 17px; font-weight: 600; }
.loading-hint { color: var(--muted); font-size: 14px; margin-top: 6px; }

/* 首页套餐状态条（登录用户醒目提示解锁/订阅状态） */
.plan-status {
  max-width: 640px;
  margin: 16px auto 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  border-radius: 12px;
  font-size: 15px;
  text-align: left;
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--text);
}
.plan-status.pass { background: rgba(5, 150, 105, 0.08); border-color: rgba(5, 150, 105, 0.35); }
.plan-status.paid { background: rgba(168, 85, 247, 0.08); border-color: rgba(168, 85, 247, 0.35); }
.ps-ico { font-size: 18px; flex: none; }
.plan-status b { color: var(--text); }
.ps-link { margin-left: auto; color: var(--indigo); font-weight: 600; text-decoration: none; white-space: nowrap; }
.ps-link:hover { text-decoration: underline; }

/* "分析中"页面 */
.analyzing-wrap { max-width: 520px; margin: 0 auto; padding: 80px 24px; text-align: center; }
.analyzing-topic { color: var(--muted); font-size: 15px; margin: 10px 0 0; }
.analyzing-topic b { color: var(--text); }
.analyzing-elapsed { color: var(--muted); font-size: 13px; margin-top: 14px; font-variant-numeric: tabular-nums; }
.analyzing-error {
  margin-top: 20px;
  padding: 18px;
  border-radius: 12px;
  text-align: center;
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.3);
}
.error-text { color: var(--error); margin: 0 0 14px; font-size: 14px; }
@media (max-width: 640px) {
  .hero { padding: 50px 18px 30px; }
  .sample, .how { padding: 44px 18px; }
  .cta { padding: 20px 18px 50px; }
  .search-row { flex-direction: column; }
}