/* ============================================================
   护理协同平台 - 全局设计变量 (VitalSync Pro Design Tokens)
   ============================================================ */
:root {
  --color-primary: #091426;
  --color-primary-container: #1e293b;
  --color-secondary: #0058be;
  --color-secondary-container: #2170e4;
  --color-surface: #f7f9fb;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f2f4f6;
  --color-surface-container-high: #e6e8ea;
  --color-on-surface: #191c1e;
  --color-on-surface-variant: #45474c;
  --color-outline-variant: #c5c6cd;
  --color-error: #ba1a1a;
  --color-error-container: #ffdad6;
  --color-tertiary-container: #00301e;
  --color-on-tertiary-container: #00a472;

  --font-display: 'Hanken Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-card: 0px 4px 12px rgba(30, 41, 59, 0.06);
  --header-height: 64px;
}

@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

/* ============================================================
   Reset & Base
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-on-surface);
  background-color: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { text-decoration: none; color: inherit; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 640px; }

/* ============================================================
   Header（index.html 与 activate.html 共用）
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
}
.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--color-on-surface-variant); }
.nav-links a:hover { color: var(--color-on-surface); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.btn-login {
  padding: 9px 20px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-outline-variant);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-on-surface);
  background-color: transparent;
}
.btn-cta-sm {
  padding: 9px 20px;
  border-radius: var(--radius-full);
  background-color: var(--color-secondary);
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
  border: none;
}
@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ============================================================
   Buttons（通用）
   ============================================================ */
.btn {
  height: 48px;
  border-radius: var(--radius-full);
  border: none;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn-primary { flex: 1; background-color: var(--color-secondary); color: #fff; }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-ghost { padding: 0 20px; background-color: var(--color-surface-container-low); color: var(--color-on-surface-variant); }
.btn-primary-lg {
  background-color: #ffffff;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 15px;
  padding: 15px 30px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  display: inline-block;
}
.btn-secondary-lg {
  background-color: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 15px 30px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.24);
  cursor: pointer;
  display: inline-block;
}

/* ============================================================
   index.html — Hero
   ============================================================ */
.hero {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-container) 100%);
  color: #ffffff;
  text-align: center;
  padding: 72px 24px 100px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -60%;
  left: 50%;
  transform: translateX(-50%);
  width: 140%;
  padding-top: 140%;
  background: radial-gradient(circle, rgba(33, 112, 228, 0.25) 0%, transparent 70%);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background-color: var(--color-on-tertiary-container); }
.hero h1 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  max-width: 680px;
  margin: 0 auto;
}
.hero h1 .accent { color: #bcc7de; }
.hero p { margin: 18px auto 0; font-size: 15.5px; color: rgba(255, 255, 255, 0.75); max-width: 480px; line-height: 1.7; }
.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}


.scenario-section{
 background:
 #f8fafc;
}

.timeline{
 max-width:760px;
 margin:50px auto 0;
 position:relative;
}
.timeline::before{
 content:"";
 position:absolute;
 left:21px;
 top:0;
 bottom:0;
 width:2px;
 background:#dbe4f0;
}

.timeline-item{
 display:flex;
 gap:24px;
 margin-bottom:36px;
 position:relative;
}

.timeline-index{
 width:44px;
 height:44px;
 border-radius:50%;
 background:var(--color-secondary);
 color:white;
 display:flex;
 align-items:center;
 justify-content:center;
 font-weight:700;
 flex-shrink:0;
 z-index:1;
}

.timeline-content h3{
 font-size:17px;
 margin-bottom:8px;
}
.timeline-content p{
 font-size:14px;
 color:var(--color-on-surface-variant);
 line-height:1.7;
}

/* ============================================================
   index.html — Section 通用容器
   ============================================================ */
.section { padding: 72px 24px; }
.section-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-secondary);
  text-transform: uppercase;
  margin-bottom: 10px;
  text-align: center;
}
.section-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  text-align: center;
  max-width: 560px;
  margin: 0 auto 12px;
}
.section-desc {
  font-size: 14.5px;
  color: var(--color-on-surface-variant);
  text-align: center;
  max-width: 480px;
  margin: 0 auto 44px;
  line-height: 1.7;
}

/* ============================================================
   index.html — Feature Grid
   ============================================================ */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  background-color: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  box-shadow: var(--shadow-card);
}
.feature-icon{
    width:22px;
    height:22px;
    flex-shrink:0;
    display:flex;
    align-items:center;
    justify-content:center;
    background:none;
    margin:0;
    color:var(--color-secondary);
}

.feature-icon svg{
    width:22px;
    height:22px;
    fill:none;
    stroke:currentColor;
    stroke-width:1.8;
    stroke-linecap:round;
    stroke-linejoin:round;
}
.feature-card h3{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:18px;
    font-weight:700;
    margin-bottom:14px;
    line-height:1.4;
}
.feature-card p { font-size: 13px; color: var(--color-on-surface-variant); line-height: 1.7; }
@media (max-width: 860px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   index.html — How It Works（横向步骤，仅落地页用）
   ============================================================ */
.steps-row { display: flex; gap: 20px; }
.step-card { flex: 1; text-align: center; }
.step-card .step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin: 0 auto 14px;
  background-color: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.step-card h3 { font-size: 14.5px; font-weight: 600; margin-bottom: 6px; }
.step-card p { font-size: 12.5px; color: var(--color-on-surface-variant); line-height: 1.6; }
@media (max-width: 720px) {
  .steps-row { flex-direction: column; gap: 28px; }
}

/* ============================================================
   index.html — Values（理念）
   ============================================================ */
.values-section { background-color: var(--color-surface-container-low); }
.value-row { display: flex; align-items: center; gap: 48px; margin-bottom: 56px; }
.value-row:last-child { margin-bottom: 0; }
.value-row.reverse { flex-direction: row-reverse; }
.value-visual {
  flex: 1;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary-container), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 48px;
}
.value-visual svg{
 width:48px;
 height:48px;
 fill:none;
 stroke:#ffffff;
 stroke-width:1.8;
 stroke-linecap:round;
 stroke-linejoin:round;
}
.value-copy { flex: 1; }
.value-copy .section-eyebrow { text-align: left; margin-bottom: 8px; }
.value-copy h3 { font-family: var(--font-display); font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.value-copy p { font-size: 14px; color: var(--color-on-surface-variant); line-height: 1.8; }
@media (max-width: 800px) {
  .value-row, .value-row.reverse { flex-direction: column; }
}

/* ============================================================
   index.html — Trust Strip
   ============================================================ */
.trust-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.trust-item {
  text-align: center;
  background-color: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  padding: 24px 8px;
}
.trust-item .num { font-family: var(--font-display); font-size: 26px; font-weight: 800; color: var(--color-secondary); }
.trust-item .label { font-size: 12px; color: var(--color-on-surface-variant); margin-top: 6px; }
@media (max-width: 720px) {
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   index.html — Final CTA & Footer
   ============================================================ */
.final-cta {
  background-color: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: 64px 24px;
  border-radius: var(--radius-xl);
  margin: 0 24px 72px;
}
.final-cta h2 { font-family: var(--font-display); font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.final-cta p { font-size: 14px; color: rgba(255, 255, 255, 0.7); margin-bottom: 28px; }

footer {
  text-align: center;
  padding: 32px 20px 48px;
  font-size: 12px;
  color: var(--color-on-surface-variant);
  border-top: 1px solid var(--color-outline-variant);
}

/* ============================================================
   activate.html — 页面容器
   ============================================================ */
.page-body { padding: 32px 20px 40px; display: flex; flex-direction: column; align-items: center; }
.page-intro { text-align: center; margin-bottom: 24px; }
.page-intro h1 { font-family: var(--font-display); font-size: 20px; font-weight: 700; }
.page-intro p { margin-top: 6px; font-size: 13px; color: var(--color-on-surface-variant); }

/* ============================================================
   activate.html — Onboard Card & Wizard
   ============================================================ */
.onboard-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--color-surface-container-lowest);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-outline-variant);
  box-shadow: var(--shadow-card);
  padding: 24px 20px;
}
.onboard-card h2 { font-family: var(--font-display); font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.onboard-card .sub { font-size: 12.5px; color: var(--color-on-surface-variant); margin-bottom: 22px; }

.step-progress { display: flex; justify-content: space-between; margin-bottom: 26px; padding: 0 4px; }
.step-dot-wrap { display: flex; flex-direction: column; align-items: center; gap: 6px; flex: 1; }
.step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-surface-container-high);
  color: var(--color-on-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  transition: all 0.2s ease;
}
.step-dot.active { background-color: var(--color-secondary); color: #fff; }
.step-dot.done { background-color: var(--color-on-tertiary-container); color: #fff; }
.step-label { font-size: 10.5px; color: var(--color-on-surface-variant); }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.form-input {
  width: 100%;
  padding: 13px 14px;
  font-size: 15px;
  font-family: var(--font-body);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  background-color: var(--color-surface-container-lowest);
  outline: none;
}
.form-input:focus { border-color: var(--color-secondary); box-shadow: 0 0 0 3px rgba(33, 112, 228, 0.12); }
.form-error { font-size: 11.5px; color: var(--color-error); margin-top: 5px; }

.gender-toggle { display: flex; gap: 8px; }
.gender-toggle button {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-outline-variant);
  background-color: var(--color-surface-container-lowest);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  cursor: pointer;
}
.gender-toggle button.active { background-color: var(--color-secondary); border-color: var(--color-secondary); color: #fff; }

.device-confirm-box {
  display: flex;
  align-items: center;
  gap: 14px;
  background-color: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
}
.device-confirm-box svg { width: 28px; height: 28px; color: var(--color-secondary); flex-shrink: 0; }
.sn-label { font-size: 12px; color: var(--color-on-surface-variant); }
.sn-value { font-family: var(--font-display); font-size: 16px; font-weight: 700; margin-top: 2px; }
.step-hint { font-size: 12px; color: var(--color-on-surface-variant); line-height: 1.6; }

.no-sn-warning {
  display: flex;
  gap: 10px;
  background-color: var(--color-error-container);
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 12.5px;
  color: #93000a;
  line-height: 1.6;
}

.step-actions { display: flex; gap: 10px; margin-top: 8px; }

/* ============================================================
   activate.html — Success State
   ============================================================ */
.success-card { text-align: center; }
.success-icon { font-size: 48px; color: var(--color-on-tertiary-container); margin-bottom: 6px; }
.success-summary { text-align: left; background-color: var(--color-surface-container-low); border-radius: var(--radius-md); padding: 16px; margin: 16px 0; }
.summary-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 13px; }
.summary-row .label { color: var(--color-on-surface-variant); }
.summary-row .value { font-weight: 600; }
.success-notice {
  display: flex;
  gap: 8px;
  text-align: left;
  background-color: rgba(33, 112, 228, 0.08);
  border: 1px solid rgba(33, 112, 228, 0.2);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 12px;
  color: var(--color-on-surface-variant);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* ============================================================
   activate.html — App 下载引导
   ============================================================ */
.app-download-box {
  background-color: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  margin-bottom: 14px;
}
.app-download-icon { font-size: 32px; margin-bottom: 8px; }
.app-download-box h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}
.app-download-box p {
  font-size: 12.5px;
  color: var(--color-on-surface-variant);
  line-height: 1.6;
  margin-bottom: 16px;
}
.app-download-btn {
  width: 100%;
  text-decoration: none;
  display: flex;
}
.app-download-hint {
  margin-top: 10px !important;
  font-size: 11px !important;
  color: var(--color-on-surface-variant);
}

.btn-text-link {
  width: 100%;
  background: none;
  border: none;
  color: var(--color-secondary);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 0;
  cursor: pointer;
}

.app-qr-box {
  text-align: center;
  padding-top: 12px;
  border-top: 1px dashed var(--color-outline-variant);
  margin-top: 4px;
}
.app-qr-img {
  width: 140px;
  height: 140px;
  margin: 0 auto 8px;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
}
.app-qr-box p {
  font-size: 11.5px;
  color: var(--color-on-surface-variant);
}

/* ============================================================
   activate.html — 提交失败提示
   ============================================================ */
.submit-error-box {
  background-color: var(--color-error-container);
  color: #93000a;
  font-size: 12.5px;
  line-height: 1.6;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  margin-bottom: 14px;
}

[x-cloak] { display: none !important; }

/* ============================================================
   index.html — 购买渠道
   ============================================================ */
.channel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.channel-card {
  background-color: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.channel-card:hover {
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.channel-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: #ffffff;
}
.channel-icon svg { width: 22px; height: 22px; }
.channel-icon--wechat { background-color: #07c160; }
.channel-icon--jd { background-color: #e2231a; }
.channel-icon--tmall { background-color: #ff0036; }
.channel-icon--phone { background-color: var(--color-secondary); }

.channel-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.channel-card p { font-size: 12px; color: var(--color-on-surface-variant); margin-bottom: 10px; }

.channel-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background-color: var(--color-surface-container-low);
  color: var(--color-on-surface-variant);
}

.channel-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-top: 24px;
  padding: 12px 16px;
  background-color: var(--color-error-container);
  color: #93000a;
  font-size: 12.5px;
  border-radius: var(--radius-md);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 860px) {
  .channel-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   Footer — 联系方式行（覆盖原有 footer 样式，增加内边距结构）
   ============================================================ */
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
}
.footer-contact {
  font-size: 13px;
  color: var(--color-on-surface-variant);
  margin-bottom: 8px;
}
.footer-contact a {
  color: var(--color-secondary);
  font-weight: 600;
}
.footer-divider {
  margin: 0 10px;
  color: var(--color-outline-variant);
}