/* ===== 今天吃啥不纠结丨时味食记 介绍站 ===== */
:root {
  --primary: #FF7B22;      /* 主色 暖橙 */
  --primary-soft: #FFE8D6; /* 浅橙辅助 */
  --green: #73C088;        /* 清新点缀绿 */
  --bg: #FFF9F3;           /* 背景 暖米白 */
  --text: #333333;         /* 正文 */
  --text-sub: #888888;     /* 次要文字 */
  --white: #FFFFFF;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow: 0 8px 24px rgba(255, 123, 34, 0.12);
}

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

html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.sec-title {
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 10px;
}

.sec-sub {
  text-align: center;
  color: var(--text-sub);
  margin-bottom: 48px;
  font-size: 15px;
}

/* ===== 顶部导航 ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 249, 243, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 123, 34, 0.10);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-brand { display: flex; align-items: center; gap: 8px; }

.nav-logo { width: 32px; height: 32px; border-radius: 8px; }

.nav-name { font-size: 18px; font-weight: 700; color: var(--primary); }

.nav-links { display: flex; gap: 28px; }

.nav-links a { color: var(--text); font-size: 14px; transition: color .2s; }

.nav-links a:hover { color: var(--primary); }

.nav-cta {
  padding: 8px 18px;
  border-radius: 12px;
  background: var(--primary);
  color: #FFF;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: transform .2s;
}

.nav-cta:hover { transform: translateY(-2px); }

/* ===== 首屏 ===== */
.hero {
  position: relative;
  padding: 132px 20px 88px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(560px 320px at 15% 20%, rgba(255, 232, 214, 0.9), transparent 70%),
    radial-gradient(520px 300px at 85% 75%, rgba(255, 232, 214, 0.7), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}

.hero-left { flex: 1 1 420px; min-width: 300px; }

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(32px, 6vw, 52px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero-title .hl { color: var(--primary); }

.hero-sub {
  color: var(--text-sub);
  font-size: 16px;
  margin-bottom: 26px;
}

.hero-tags { list-style: none; display: flex; gap: 14px; flex-wrap: wrap; }

.hero-tags li {
  padding: 8px 16px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  font-size: 14px;
  font-weight: 500;
}

/* 扫码卡片 */
.scan-card {
  flex: 0 0 auto;
  width: 240px;
  padding: 22px 20px 18px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 36px rgba(255, 123, 34, 0.16);
  text-align: center;
  border: 1px solid rgba(255, 123, 34, 0.12);
  transition: transform .25s;
}

.scan-card:hover { transform: translateY(-4px); }

.scan-head { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 14px; }

.scan-logo { width: 26px; height: 26px; border-radius: 6px; }

.scan-name { font-size: 16px; font-weight: 700; }

.scan-qr {
  width: 168px;
  height: 168px;
  margin: 0 auto 12px;
  border-radius: 10px;
  border: 1px solid #F0EDE8;
}

.scan-tip { font-size: 13px; color: var(--primary); font-weight: 600; }

/* ===== 痛点 ===== */
.pain { padding: 72px 20px; background: var(--white); }

.pain-inner { max-width: 1080px; margin: 0 auto; }

.pain-grid { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }

.pain-item {
  flex: 1 1 240px;
  max-width: 320px;
  padding: 28px 22px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  text-align: center;
}

.pain-emoji { font-size: 40px; display: block; margin-bottom: 12px; }

.pain-item p { font-size: 15px; color: var(--text-sub); }

/* ===== 三大核心功能 ===== */
.features { padding: 88px 20px; }

.features-inner { max-width: 1080px; margin: 0 auto; }

.feature-row {
  display: flex;
  align-items: center;
  gap: 56px;
  margin-bottom: 76px;
}

.feature-row.reverse { flex-direction: row-reverse; }

.feature-img { flex: 1 1 360px; position: relative; min-width: 280px; }

.feature-img img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.feature-img .img-float {
  position: absolute;
  width: 46%;
  height: 140px;
  bottom: -28px;
  right: -14px;
  border: 4px solid var(--bg);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.14);
}

.feature-row.reverse .img-float { right: auto; left: -14px; }

.feature-body { flex: 1 1 360px; min-width: 280px; }

.feature-num {
  font-size: 14px;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 8px;
  padding: 4px 12px;
  margin-bottom: 14px;
  display: inline-block;
}

.feature-body h3 { font-size: 26px; font-weight: 700; margin-bottom: 14px; }

.feature-body p { color: var(--text-sub); font-size: 15px; margin-bottom: 20px; }

.feature-points { list-style: none; }

.feature-points li { padding: 6px 0; font-size: 15px; }

/* ===== 附加价值 ===== */
.extra { padding: 88px 20px; background: var(--white); }

.extra-inner { max-width: 1080px; margin: 0 auto; }

.extra-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.extra-card {
  padding: 28px 22px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  transition: transform .2s;
}

.extra-card:hover { transform: translateY(-4px); }

.extra-icon { font-size: 34px; display: block; margin-bottom: 14px; }

.extra-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }

.extra-card p { font-size: 14px; color: var(--text-sub); }

/* ===== 使用流程 ===== */
.how { padding: 88px 20px; }

.how-inner { max-width: 1080px; margin: 0 auto; }

.how-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 48px 0 56px;
}

.how-step { flex: 1 1 220px; max-width: 280px; text-align: center; position: relative; }

.how-num {
  position: absolute;
  top: -6px; left: 50%;
  transform: translateX(-50%);
  width: 34px; height: 34px;
  background: var(--primary);
  color: #FFF;
  border-radius: 50%;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  z-index: 2;
}

.how-phone {
  width: 150px;
  height: 150px;
  margin: 0 auto 18px;
  padding: 14px;
  background: var(--white);
  border-radius: 28px;
  box-shadow: var(--shadow);
  border: 3px solid #F0EDE8;
  display: flex;
  align-items: center;
  justify-content: center;
}

.how-qr { width: 100%; height: 100%; border-radius: 16px; }

.how-icon-big {
  width: 150px;
  height: 150px;
  margin: 0 auto 18px;
  background: var(--primary-soft);
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
}

.how-step h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }

.how-step p { font-size: 14px; color: var(--text-sub); }

.how-arrow { align-self: center; font-size: 26px; color: var(--primary); padding-top: 60px; }

/* 底部 CTA */
.how-cta {
  max-width: 560px;
  margin: 0 auto;
  padding: 28px 32px;
  background: linear-gradient(135deg, #FF8C3F, var(--primary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: 22px;
  box-shadow: 0 14px 36px rgba(255, 123, 34, 0.28);
}

.how-cta-qr {
  width: 110px;
  height: 110px;
  border-radius: 12px;
  background: var(--white);
  padding: 8px;
  flex-shrink: 0;
}

.how-cta-title { color: #FFF; font-size: 20px; font-weight: 700; }

.how-cta-sub { color: rgba(255, 255, 255, 0.9); font-size: 14px; margin-top: 6px; }

/* ===== 常见问题 ===== */
.faq { padding: 88px 20px; background: var(--white); }

.faq-inner { max-width: 1080px; margin: 0 auto; }

.faq-list { max-width: 760px; margin: 40px auto 0; }

.faq-item {
  padding: 24px 28px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  border-left: 4px solid var(--primary);
}

.faq-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: var(--text); }

.faq-item p { font-size: 15px; color: var(--text-sub); }

/* ===== 页脚 ===== */
.footer { padding: 44px 20px 36px; background: #2E2A26; color: #B8B2AA; }

.footer-inner { max-width: 1080px; margin: 0 auto; text-align: center; }

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #FFF;
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 12px;
}

.footer-logo { width: 26px; height: 26px; border-radius: 6px; }

.footer-text { font-size: 13px; margin-bottom: 8px; }

.footer-icp { font-size: 13px; margin-bottom: 4px; }

.footer-icp a { color: #8A837A; text-decoration: underline; }

.footer-copy { font-size: 12px; color: #8A837A; }

/* ===== 响应式 ===== */
@media (max-width: 860px) {
  .nav-links { display: none; }

  .hero { padding: 120px 20px 64px; }
  .hero-inner { justify-content: center; text-align: center; }
  .hero-left { flex-basis: 100%; }
  .hero-tags { justify-content: center; }

  .feature-row, .feature-row.reverse { flex-direction: column; gap: 44px; }
  .feature-img { width: 100%; }
  .feature-img .img-float { display: none; }
  .feature-body { text-align: center; }

  .extra-grid { grid-template-columns: repeat(2, 1fr); }

  .how-arrow { transform: rotate(90deg); padding: 0; }

  .how-cta { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .extra-grid { grid-template-columns: 1fr; }
  .scan-card { width: 100%; max-width: 240px; }
}