/* 图文说明页（挂在产品概况站 web/mini-guides） */
:root {
  --primary: #2D5A27;
  --primary-dark: #1e3d1a;
  --text-primary: #1E293B;
  --text-secondary: #64748B;
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --divider: #E2E8F0;
  --radius: 12px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
}

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

body {
  font-family: var(--font);
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

.container {
  width: min(920px, 92vw);
  margin-inline: auto;
}

.guide-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--divider);
}

.guide-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 56px;
  padding: 8px 0;
}

.guide-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-weight: 700;
  flex-shrink: 0;
}

.guide-brand img {
  width: 32px;
  height: 32px;
  display: block;
}

.guide-header-inner [data-guide-nav] {
  display: flex;
  align-items: center;
  gap: 8px;
}

.guide-nav-desktop {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
}

.guide-nav-link,
.guide-nav-trigger {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 999px;
  text-decoration: none;
}

.guide-nav-link:hover,
.guide-nav-trigger:hover,
.guide-nav-link.is-active {
  color: var(--primary);
  background: #e8f0e6;
}

.guide-nav-trigger::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 6px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  vertical-align: middle;
}

.guide-nav-dropdown {
  position: relative;
}

.guide-nav-panel {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 200px;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
  z-index: 20;
}

.guide-nav-dropdown.is-open .guide-nav-panel {
  display: grid;
  gap: 2px;
}

.guide-nav-panel a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.guide-nav-panel a:hover,
.guide-nav-panel a.is-active {
  background: #e8f0e6;
  color: var(--primary);
}

.guide-nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--divider);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
  padding: 10px 9px;
}

.guide-nav-burger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
}

.guide-nav-burger span + span {
  margin-top: 5px;
}

.guide-drawer[hidden] {
  display: none !important;
}

.guide-drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
}

.guide-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
}

.guide-drawer-sheet {
  position: absolute;
  top: 0;
  right: 0;
  width: min(320px, 86vw);
  height: 100%;
  background: var(--surface);
  box-shadow: -8px 0 28px rgba(15, 23, 42, 0.12);
  padding: 16px;
  overflow-y: auto;
}

.guide-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.guide-drawer-close {
  border: 0;
  background: #f1f5f9;
  color: var(--text-secondary);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font: inherit;
}

.guide-drawer-group {
  margin-bottom: 18px;
}

.guide-drawer-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.guide-drawer-group a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.guide-drawer-group a:hover,
.guide-drawer-group a.is-active {
  background: #e8f0e6;
  color: var(--primary);
}

body.guide-nav-open {
  overflow: hidden;
}

@media (max-width: 720px) {
  .guide-nav-desktop {
    display: none;
  }
  .guide-nav-burger {
    display: inline-block;
  }
}

.hero-block {
  padding: 36px 0 12px;
}

.hero-block .eyebrow {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.hero-block h1 {
  margin-top: 8px;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.hero-block p {
  margin-top: 10px;
  color: var(--text-secondary);
  max-width: 40rem;
}

.guide-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  padding: 12px 0 48px;
}

.guide-card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.guide-card:hover {
  border-color: #a8c4a0;
  box-shadow: 0 6px 20px rgba(45, 90, 39, 0.12);
}

.guide-card h2 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.guide-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.guide-card .cta {
  display: inline-block;
  margin-top: 14px;
  font-weight: 600;
  font-size: 0.92rem;
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 8px 0 56px;
}

.step {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 20px;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  padding: 18px;
}

.step.step-text-only {
  grid-template-columns: 1fr;
}

.step-meta .step-no {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  background: #e8f0e6;
  border-radius: 999px;
  padding: 2px 10px;
}

.step-meta h2 {
  margin-top: 10px;
  font-size: 1.15rem;
}

.step-meta p,
.step-meta li {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.step-meta ol,
.step-meta ul {
  margin: 10px 0 0 1.2rem;
}

.step-meta .note {
  margin-top: 12px;
  padding: 10px 12px;
  background: #fff7ed;
  border-radius: 8px;
  color: #9a3412;
  font-size: 0.88rem;
}

.sms-cases {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.sms-cases li {
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--divider);
  border-radius: 10px;
  background: #f8fafc;
}

.sms-cases strong {
  display: block;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.sms-cases > li > span {
  display: block;
  margin-top: 4px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.sms-example {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: #fff;
  border: 1px dashed #cbd5e1;
  color: var(--text-primary);
  font-size: 0.88rem;
  line-height: 1.55;
  word-break: break-word;
}

.phone-frame {
  width: 260px;
  max-width: 100%;
  aspect-ratio: 390 / 844;
  margin-inline: auto;
  border: 1px solid var(--divider);
  border-radius: 18px;
  overflow: hidden;
  background: #111;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
}

.phone-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 390 / 844;
  object-fit: contain;
  background: #f1f5f9;
}

.phone-frame.placeholder {
  display: grid;
  place-items: center;
  background: #f1f5f9;
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-align: center;
  padding: 16px;
  border: 1px dashed #cbd5e1;
  box-shadow: none;
}

.guide-footer {
  border-top: 1px solid var(--divider);
  padding: 20px 0 36px;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

@media (max-width: 720px) {
  .step {
    grid-template-columns: 1fr;
  }
  .phone-frame {
    width: min(280px, 100%);
  }
}