/* ============================================================
   秋林云订货 · 官网样式（响应式，断点 960 / 640）
   ============================================================ */

:root {
  --primary: #2b5cff;
  --primary-dark: #1e46d6;
  --primary-soft: #eef3ff;
  --text: #1a2233;
  --text-2: #5b6478;
  --text-3: #8a93a6;
  --bg: #ffffff;
  --bg-alt: #f6f8fc;
  --border: #e7ebf3;
  --success: #00b578;
  --warning: #ff7d00;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(31, 70, 160, 0.08);
  --shadow-hover: 0 16px 40px rgba(31, 70, 160, 0.14);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  width: min(1160px, 92%);
  margin: 0 auto;
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all .2s ease;
  white-space: nowrap;
  font-size: 15px;
  padding: 11px 22px;
}
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-lg { padding: 14px 30px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(43, 92, 255, .28);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-outline {
  border-color: var(--primary);
  color: var(--primary);
  background: #fff;
}
.btn-outline:hover { background: var(--primary-soft); }
.btn-ghost {
  background: var(--primary-soft);
  color: var(--primary);
}
.btn-ghost:hover { background: #e0e9ff; }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ============ 顶部导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 9px; }
.brand-logo {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, #3d73ff, #1e46d6);
  color: #fff;
  font-size: 19px;
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 14px rgba(43, 92, 255, .35);
}
.brand-name { font-size: 18px; font-weight: 800; letter-spacing: .5px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-links a {
  font-size: 15px;
  color: var(--text-2);
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--primary); }
.nav-login { font-weight: 600 !important; }

/* 「免费试用」主按钮：特异性需高于 .nav-links a，否则导航链接的深色文字会覆盖按钮白字 */
.nav-links a.nav-trial,
.nav-links a.nav-trial:hover {
  color: #fff;
}
.nav-links a.nav-trial:hover {
  background: var(--primary-dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px; height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: .3s;
}

/* ============ Hero ============ */
.hero {
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(43, 92, 255, .12), transparent 60%),
    radial-gradient(700px 380px at 0% 100%, rgba(43, 92, 255, .07), transparent 60%),
    var(--bg);
  padding: 70px 0 60px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 50px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 44px;
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: .5px;
  margin-bottom: 20px;
}
.hero-desc {
  font-size: 17px;
  color: var(--text-2);
  max-width: 540px;
  margin-bottom: 30px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.hero-points {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--text-3);
  font-size: 14px;
}
.hero-points li::before {
  content: "✓ ";
  color: var(--success);
  font-weight: 700;
}
.hero-media img {
  border-radius: 18px;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
  background: var(--bg-alt);
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
/* 外链真实图片加载成功后淡入覆盖 CSS mockup */
.hero-media { position: relative; }
.hero-media img:not([hidden]) {
  position: absolute;
  inset: 0;
  height: 100%;
  z-index: 2;
  animation: fadeIn .5s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------- Hero 纯 CSS 产品界面 mockup ---------- */
.mockup {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
}
.mockup-browser {
  position: absolute;
  inset: 0 12% 8% 0;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 30px 60px rgba(31, 70, 160, .22);
  border: 1px solid var(--border);
  overflow: hidden;
}
.mockup-bar {
  height: 40px;
  background: #f2f5fb;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
}
.mockup-bar .dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.mockup-bar .d1 { background: #ff5f57; }
.mockup-bar .d2 { background: #febc2e; }
.mockup-bar .d3 { background: #28c840; }
.mockup-url {
  margin-left: 10px;
  flex: 1;
  height: 22px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11px;
  color: #8a93a6;
  display: flex;
  align-items: center;
  padding: 0 12px;
}
.mockup-body {
  position: absolute;
  top: 40px; left: 0; right: 0; bottom: 0;
  display: flex;
}
.mockup-side {
  width: 20%;
  max-width: 120px;
  background: #16233f;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.ms-logo { width: 70%; height: 18px; border-radius: 5px; background: linear-gradient(135deg, #3d73ff, #1e46d6); margin-bottom: 8px; }
.ms-nav { height: 9px; border-radius: 5px; background: rgba(255, 255, 255, .14); }
.ms-nav.on { background: var(--primary); width: 90%; }
.mockup-main { flex: 1; padding: 16px; background: #f6f8fc; overflow: hidden; }
.mockup-cards { display: flex; gap: 10px; margin-bottom: 14px; }
.mc {
  flex: 1;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mc em { height: 7px; width: 55%; border-radius: 4px; background: #c8d3ea; }
.mc b { height: 13px; width: 75%; border-radius: 4px; background: #2b5cff; opacity: .85; }
.mc:nth-child(2) b { background: #00b578; }
.mc:nth-child(3) b { background: #ff7d00; }
.mockup-chart {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 12px 14px 8px;
  height: 42%;
  display: flex;
  align-items: flex-end;
  gap: 7px;
  margin-bottom: 12px;
}
.mockup-chart span {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, #6e95ff, #2b5cff);
  opacity: .85;
  animation: barGrow 1.1s ease both;
  transform-origin: bottom;
}
.mockup-chart span:nth-child(2n) { background: linear-gradient(180deg, #9fe8cf, #00b578); }
@keyframes barGrow { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.mockup-rows { display: flex; flex-direction: column; gap: 9px; }
.mockup-rows i { height: 9px; border-radius: 4px; background: #dbe3f2; }
.mockup-rows i:nth-child(2) { width: 82%; }
.mockup-rows i:nth-child(3) { width: 66%; }

/* 悬浮的手机小程序 */
.mockup-phone {
  position: absolute;
  right: -2%;
  bottom: -4%;
  width: 26%;
  min-width: 120px;
  aspect-ratio: 9 / 18;
  background: #101626;
  border-radius: 20px;
  padding: 8px 7px 0;
  box-shadow: 0 24px 44px rgba(10, 25, 60, .35);
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.phone-head { height: 9px; width: 40%; background: rgba(255,255,255,.35); border-radius: 5px; align-self: center; margin-bottom: 2px; }
.phone-search { height: 14px; background: rgba(255,255,255,.14); border-radius: 7px; }
.phone-banner { height: 22%; border-radius: 8px; background: linear-gradient(135deg, #3d73ff, #7ba0ff); }
.phone-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.phone-grid i { aspect-ratio: 1; border-radius: 8px; background: rgba(255,255,255,.13); }
.phone-grid i:nth-child(3n+1) { background: rgba(43,92,255,.55); }
.phone-goods { display: flex; gap: 6px; flex: 1; min-height: 0; }
.phone-goods b { flex: 1; border-radius: 8px; background: rgba(255,255,255,.1); }
.phone-tab {
  height: 16px;
  margin: 0 -7px;
  border-radius: 0 0 20px 20px;
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 14px;
}
.phone-tab i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.3); }
.phone-tab i:nth-child(2) { background: #2b5cff; }

/* ============ 数据条 ============ */
.trustbar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.trust-inner {
  display: flex;
  justify-content: space-around;
  padding: 26px 0;
  text-align: center;
}
.trust-inner strong {
  display: block;
  font-size: 30px;
  color: var(--primary);
  font-weight: 800;
}
.trust-inner span { color: var(--text-2); font-size: 14px; }

/* ============ 通用 section ============ */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; margin-bottom: 52px; }
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
}
.section-head p { color: var(--text-2); font-size: 16px; }

/* ============ 功能卡片 ============ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: all .25s ease;
}
.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: transparent;
}
.fi {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.fi svg { width: 24px; height: 24px; }
.fi-1 { background: #eef3ff; color: #2b5cff; }
.fi-2 { background: #e8faf3; color: #00b578; }
.fi-3 { background: #fff3e8; color: #ff7d00; }
.fi-4 { background: #fdeef5; color: #e5478a; }
.fi-5 { background: #f0edff; color: #6c5ce7; }
.fi-6 { background: #e8f6fd; color: #1895d0; }
.fi-7 { background: #fff9e0; color: #d8a500; }
.fi-8 { background: #eef1f6; color: #5b6478; }
.feature-card h3 { font-size: 17px; margin-bottom: 8px; font-weight: 700; }
.feature-card p { font-size: 14px; color: var(--text-2); }

/* ============ 场景 ============ */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scene-card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
}
.scene-card.scene-hot {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.scene-tag {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
}
.scene-emoji { font-size: 40px; margin-bottom: 14px; }
.scene-card h3 { font-size: 20px; margin-bottom: 14px; }
.scene-card ul { display: flex; flex-direction: column; gap: 10px; }
.scene-card li {
  position: relative;
  padding-left: 20px;
  color: var(--text-2);
  font-size: 14.5px;
}
.scene-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--primary);
}

/* ============ 套餐 ============ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  min-height: 120px;
}
.pricing-loading {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-3);
  padding: 40px 0;
}
.price-card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  transition: all .25s;
}
.price-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.price-card.recommend {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow);
}
.recommend-tag {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
}
.price-name { font-size: 20px; font-weight: 800; }
.price-desc { color: var(--text-3); font-size: 13.5px; margin: 6px 0 18px; min-height: 38px; }
.price-amount { margin-bottom: 20px; }
.price-amount .currency { font-size: 20px; color: var(--text); font-weight: 700; }
.price-amount .num { font-size: 42px; font-weight: 800; color: var(--text); }
.price-amount .unit { color: var(--text-3); font-size: 13px; }
.price-features {
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin-bottom: 26px;
  flex: 1;
}
.price-features li {
  font-size: 14px;
  color: var(--text-2);
  padding-left: 22px;
  position: relative;
}
.price-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}
.price-btn { margin-top: auto; }

/* ============ FAQ ============ */
.faq-wrap { max-width: 820px; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 46px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px; top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  color: var(--primary);
  transition: transform .2s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-body {
  padding: 0 22px 18px;
  color: var(--text-2);
  font-size: 14.5px;
}

/* ============ 订阅表单 ============ */
.subscribe-section {
  background:
    radial-gradient(800px 360px at 80% 0%, rgba(43, 92, 255, .1), transparent 60%),
    var(--bg-alt);
}
.subscribe-inner {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 48px;
  align-items: start;
}
.subscribe-info h2 { font-size: 32px; font-weight: 800; margin-bottom: 16px; }
.subscribe-info > p { color: var(--text-2); font-size: 16px; margin-bottom: 26px; }
.subscribe-points { display: flex; flex-direction: column; gap: 12px; }
.subscribe-points li {
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
}

.subscribe-form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.subscribe-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}
.subscribe-form label i {
  color: #f0483e;
  font-style: normal;
}
.subscribe-form input,
.subscribe-form select,
.subscribe-form textarea {
  width: 100%;
  margin-top: 7px;
  padding: 11px 13px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color .2s;
}
.subscribe-form input:focus,
.subscribe-form select:focus,
.subscribe-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.subscribe-form textarea { resize: vertical; }
.form-tip {
  text-align: center;
  color: var(--text-3);
  font-size: 12.5px;
  margin-top: 12px;
}
.form-result {
  margin-top: 18px;
  padding: 16px;
  border-radius: 10px;
  font-size: 14.5px;
  text-align: center;
}
.form-result.ok {
  background: #e8faf3;
  color: #067a55;
  border: 1px solid #b6ecd6;
}
.form-result.err {
  background: #fdeeee;
  color: #c0392b;
  border: 1px solid #f5c6c0;
}
.field-error {
  display: block;
  color: #f0483e;
  font-size: 12.5px;
  margin-top: 5px;
  font-weight: 400;
}

/* ============ 页脚 ============ */
.site-footer {
  background: #101626;
  color: #c6ccdb;
  padding-top: 56px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand p { color: #8a93a6; font-size: 14px; margin-top: 14px; }
.site-footer .brand-name { color: #fff; }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: #9aa3b8;
  font-size: 14px;
  margin-bottom: 11px;
  transition: color .2s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #6f7890;
}

/* ============ 响应式：平板 ============ */
@media (max-width: 960px) {
  .hero { padding: 50px 0 44px; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-media { order: -1; max-width: 520px; width: 100%; margin: 0 auto; }
  .hero h1 { font-size: 34px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .subscribe-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { grid-template-columns: 1fr; gap: 30px; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 38px; }
  .section-head h2 { font-size: 27px; }
}

/* ============ 响应式：手机 ============ */
@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 66px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 14px 24px;
    font-size: 15px;
  }
  .nav-links .nav-trial {
    margin: 8px 24px 12px;
    text-align: center;
  }

  .hero h1 { font-size: 28px; }
  .hero-desc { font-size: 15px; }
  .hero-actions .btn { flex: 1; }
  .mockup-browser { inset: 0 8% 2% 0; border-radius: 10px; }
  .mockup-phone { min-width: 84px; border-radius: 14px; }
  .mockup-bar { height: 30px; }
  .mockup-url { height: 18px; font-size: 9px; }
  .mockup-body { top: 30px; }
  .trust-inner { gap: 12px; flex-wrap: wrap; }
  .trust-inner > div { flex: 1 1 40%; }
  .trust-inner strong { font-size: 24px; }

  .feature-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .subscribe-form { padding: 22px 18px; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .footer-bottom { justify-content: flex-start; }
}