/* ==========================================================================
   济宁餐找物有限公司 - 餐饮门店用品 B2B 展示站
   主色调：蓝色系
   ========================================================================== */

:root {
  --blue-900: #0A2E6E;
  --blue-800: #0B3D91;
  --blue-700: #1558B0;
  --blue-600: #1E6FD9;
  --blue-500: #2E7BE0;
  --blue-100: #EAF2FC;
  --blue-50:  #F2F7FE;

  --accent: #F5A623;
  --accent-dark: #E69500;

  --ink:      #1A2533;
  --ink-soft: #46566A;
  --muted:    #6B7C90;
  --line:     #E3EAF3;
  --bg:       #FFFFFF;
  --bg-soft:  #F6F9FD;

  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(10,46,110,.06), 0 4px 12px rgba(10,46,110,.06);
  --shadow-md: 0 6px 24px rgba(10,46,110,.10);
  --shadow-lg: 0 16px 48px rgba(10,46,110,.14);

  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
          "Hiragino Sans GB", "Segoe UI", Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img, svg { display: block; }

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--blue-700); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--blue-600); box-shadow: var(--shadow-md); }

.btn-accent { background: var(--accent); color: #3A2600; box-shadow: 0 6px 18px rgba(245,166,35,.35); }
.btn-accent:hover { background: #FFB43A; box-shadow: 0 10px 26px rgba(245,166,35,.45); }

.btn-ghost { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.35); }
.btn-ghost:hover { background: rgba(255,255,255,.22); }

.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ==========================================================================
   顶部导航
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo { display: grid; place-items: center; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 19px; color: var(--blue-800); letter-spacing: .5px; }
.brand-text em {
  font-style: normal;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
}

.main-nav { display: flex; gap: 6px; }
.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--ink-soft);
  border-radius: 8px;
  transition: color .15s ease, background .15s ease;
}
.nav-link:hover { color: var(--blue-700); background: var(--blue-50); }
.nav-link.active { color: var(--blue-700); font-weight: 600; }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 3px;
  border-radius: 3px;
  background: var(--blue-600);
}

.header-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  background: var(--blue-50);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--blue-800);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(46,123,224,.35), transparent 60%),
    linear-gradient(160deg, var(--blue-900) 0%, var(--blue-800) 45%, var(--blue-700) 100%);
  color: #fff;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 48px;
  padding-top: 28px;
  padding-bottom: 28px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 1px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.25);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 40px;
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: 1px;
}
.text-accent { color: #FFC864; }

.hero-sub {
  margin: 14px 0 18px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,.86);
  max-width: 520px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 24px;
}
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 22px; font-weight: 800; color: #FFC864; }
.hero-stats span { font-size: 13px; color: rgba(255,255,255,.75); letter-spacing: 1px; }

.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-box {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.06));
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius-lg);
  padding: 24px 30px;
  backdrop-filter: blur(4px);
  box-shadow: var(--shadow-lg);
  animation: float 5s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-orbit { position: absolute; inset: 0; }
.orbit-dot {
  position: absolute;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #FFC864;
  box-shadow: 0 0 0 6px rgba(255,200,100,.18);
}
.dot-a { top: 18%; left: 8%; animation: float 4s ease-in-out infinite; }
.dot-b { top: 26%; right: 6%; width: 10px; height: 10px; background: #7FC4FF; animation: float 5.5s ease-in-out infinite; }
.dot-c { bottom: 20%; right: 16%; width: 8px; height: 8px; background: #fff; animation: float 4.5s ease-in-out infinite; }

.hero-tag {
  position: absolute;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  background: #fff;
  color: var(--blue-800);
  box-shadow: var(--shadow-md);
}
.tag-1 { top: -14px; right: -10px; }
.tag-2 { bottom: 22px; left: -26px; }

/* ==========================================================================
   通用 section
   ========================================================================== */
section { padding: 88px 0; }

.section-head { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.section-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--blue-600);
  background: var(--blue-50);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 { font-size: 36px; font-weight: 800; color: var(--blue-900); }
.section-head p { margin-top: 12px; font-size: 16px; color: var(--muted); }

/* ==========================================================================
   定制餐盒
   ========================================================================== */
.custom { background: var(--bg-soft); }

.custom-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.custom-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.custom-main { background: linear-gradient(170deg, #fff, var(--blue-50)); }
.custom-main h3 { font-size: 24px; color: var(--blue-900); margin-bottom: 12px; }
.custom-main > p { color: var(--ink-soft); margin-bottom: 24px; }

.custom-features { display: flex; flex-direction: column; gap: 16px; margin-bottom: 30px; }
.custom-features li { display: flex; gap: 14px; align-items: flex-start; }
.custom-features svg {
  width: 22px; height: 22px;
  flex-shrink: 0;
  margin-top: 3px;
  fill: var(--accent);
}
.custom-features strong { display: block; color: var(--ink); font-size: 16px; }
.custom-features span { color: var(--muted); font-size: 14px; }

.custom-steps h3 { font-size: 24px; color: var(--blue-900); margin-bottom: 24px; }
.steps { display: flex; flex-direction: column; gap: 22px; }
.steps li { display: flex; gap: 16px; align-items: flex-start; }
.steps li > span {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  flex-shrink: 0;
  border-radius: 12px;
  font-weight: 800;
  font-size: 15px;
  color: #fff;
  background: var(--blue-700);
}
.steps li:nth-child(even) > span { background: var(--blue-500); }
.steps strong { color: var(--ink); font-size: 16px; }
.steps p { color: var(--muted); font-size: 14px; }

/* ==========================================================================
   产品中心
   ========================================================================== */
.products { background: #fff; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-500);
}

.product-icon {
  display: grid;
  place-items: center;
  width: 60px; height: 60px;
  border-radius: 16px;
  background: var(--blue-50);
  margin-bottom: 18px;
}
.product-icon svg {
  width: 32px; height: 32px;
  fill: none;
  stroke: var(--blue-700);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.product-card:hover .product-icon { background: var(--blue-700); }
.product-card:hover .product-icon svg { stroke: #fff; }

.product-card h3 { font-size: 18px; color: var(--blue-900); margin-bottom: 8px; }
.product-card p { font-size: 14px; color: var(--muted); }

/* 产品网格末尾的咨询卡 */
.product-card--cta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--blue-50);
  border: 1.5px dashed var(--blue-500);
}
.product-card--cta:hover { border-style: solid; }
.product-card--cta .product-icon { background: var(--blue-700); }
.product-card--cta .product-icon svg { stroke: #fff; }
.product-card--cta h3 { color: var(--blue-700); }
.product-cta-link {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-700);
}

.products-note { text-align: center; margin-top: 40px; color: var(--muted); font-size: 15px; }
.products-note a { color: var(--blue-700); font-weight: 600; }

/* ==========================================================================
   为什么选择我们
   ========================================================================== */
.why { background: linear-gradient(180deg, var(--blue-900), var(--blue-800)); color: #fff; }
.why .section-kicker { background: rgba(255,255,255,.12); color: #FFC864; }
.why .section-head h2 { color: #fff; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-item {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: background .2s ease, transform .2s ease;
}
.why-item:hover { background: rgba(255,255,255,.11); transform: translateY(-4px); }
.why-icon {
  display: grid;
  place-items: center;
  width: 56px; height: 56px;
  font-size: 26px;
  border-radius: 14px;
  background: rgba(255,255,255,.12);
  margin-bottom: 18px;
}
.why-item h3 { font-size: 18px; margin-bottom: 8px; }
.why-item p { font-size: 14px; color: rgba(255,255,255,.78); }

/* ==========================================================================
   关于我们
   ========================================================================== */
.about { background: var(--bg-soft); }

.about-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}

.about-copy .section-kicker { background: var(--blue-50); color: var(--blue-600); }
.about-copy h2 { font-size: 32px; color: var(--blue-900); margin: 6px 0 18px; }
.about-copy p { color: var(--ink-soft); margin-bottom: 16px; }

.about-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.about-points span {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-100);
}

.about-card {
  background: linear-gradient(160deg, var(--blue-700), var(--blue-600));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.about-card-head {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid rgba(255,255,255,.25);
  padding-bottom: 20px;
  margin-bottom: 20px;
}
.about-card-head strong { font-size: 24px; }
.about-card-head em { font-style: normal; font-size: 13px; color: rgba(255,255,255,.75); }
.about-card ul li {
  padding: 8px 0;
  color: rgba(255,255,255,.92);
  border-bottom: 1px dashed rgba(255,255,255,.18);
}
.about-card ul li:last-child { border-bottom: none; }
.about-card-foot { display: block; margin-top: 20px; font-size: 13px; color: #FFC864; font-weight: 600; }

/* ==========================================================================
   联系我们
   ========================================================================== */
.contact { background: #fff; }

.contact-panel {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}

.contact-info {
  background: linear-gradient(160deg, var(--blue-800), var(--blue-700));
  color: #fff;
  padding: 48px 44px;
}
.contact-info .section-kicker { background: rgba(255,255,255,.12); color: #FFC864; }
.contact-info h2 { font-size: 30px; margin: 8px 0 14px; }
.contact-info > p { color: rgba(255,255,255,.82); margin-bottom: 32px; }

.contact-list { display: flex; flex-direction: column; gap: 22px; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; }
.contact-list svg {
  width: 22px; height: 22px;
  flex-shrink: 0;
  margin-top: 4px;
  fill: none;
  stroke: #FFC864;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.contact-list strong { display: block; font-size: 15px; margin-bottom: 2px; }
.contact-list .placeholder { color: rgba(255,255,255,.85); font-size: 15px; }
.contact-list span { color: rgba(255,255,255,.92); font-size: 15px; }
.contact-list a { color: #fff; font-size: 17px; font-weight: 700; }
.contact-list a:hover { color: #FFC864; }

.contact-form { padding: 48px 44px; background: #fff; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: block; margin-bottom: 16px; font-size: 14px; color: var(--ink-soft); font-weight: 600; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  margin-top: 6px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(46,123,224,.15);
  background: #fff;
}
.contact-form textarea { resize: vertical; }
.form-note { margin-top: 12px; font-size: 12px; color: var(--muted); text-align: center; }

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer { background: var(--blue-900); color: rgba(255,255,255,.8); }

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 56px 24px 44px;
}
.footer-brand .brand-logo { margin-bottom: 14px; }
.footer-brand p { font-size: 14px; line-height: 1.9; }
.footer-tel { color: #FFC864; font-weight: 600; }
.footer-tel:hover { color: #fff; }

.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col strong { color: #fff; font-size: 15px; margin-bottom: 6px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,.7); transition: color .15s ease; }
.footer-col a:hover { color: #FFC864; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.6);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 36px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; padding-top: 56px; padding-bottom: 64px; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { margin-top: 20px; }

  .custom-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .contact-panel { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  section { padding: 64px 0; }
  .hero h1 { font-size: 30px; }
  .hero-stats { gap: 24px; }
  .hero-stats strong { font-size: 22px; }
  .section-head h2 { font-size: 28px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .product-card { padding: 20px 16px; }
  .why-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-info, .contact-form { padding: 32px 24px; }
  .hero-tag { display: none; }

  .main-nav {
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    flex-direction: column;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    padding: 12px 24px 20px;
    gap: 4px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-link { padding: 12px 14px; }
  .nav-link.active::after { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }
}

/* ==========================================================================
   首页推荐产品 + 最新新闻
   ========================================================================== */
.recommend { background: var(--bg-soft); }
.recommend-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.recommend-card {
  display: flex; gap: 20px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.recommend-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue-500); }
.recommend-icon {
  display: grid; place-items: center;
  width: 72px; height: 72px; flex-shrink: 0;
  border-radius: 18px; background: var(--blue-50);
}
.recommend-icon svg {
  width: 40px; height: 40px;
  fill: none; stroke: var(--blue-700);
  stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
}
.recommend-card:hover .recommend-icon { background: var(--blue-700); }
.recommend-card:hover .recommend-icon svg { stroke: #fff; }
.recommend-body h3 { font-size: 18px; color: var(--blue-900); }
.recommend-body p { font-size: 14px; color: var(--muted); margin: 6px 0 10px; }
.recommend-body a { font-size: 14px; font-weight: 700; color: var(--blue-700); }
.recommend-body a:hover { color: var(--blue-600); }

.home-news { background: #fff; }
.home-news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.home-news-item {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow .2s ease, border-color .2s ease;
}
.home-news-item:hover { box-shadow: var(--shadow-md); border-color: var(--blue-500); }
.home-news-item time { font-size: 13px; color: var(--muted); }
.home-news-item h3 { font-size: 17px; line-height: 1.5; margin: 8px 0; }
.home-news-item h3 a { color: var(--blue-900); transition: color .15s ease; }
.home-news-item h3 a:hover { color: var(--blue-600); }
.home-news-item p { font-size: 14px; color: var(--muted); line-height: 1.7; }

.section-more { text-align: center; margin-top: 34px; }
.btn-outline { background: #fff; color: var(--blue-700); border: 1.5px solid var(--blue-600); box-shadow: none; }
.btn-outline:hover { background: var(--blue-50); box-shadow: var(--shadow-sm); }

@media (max-width: 900px) {
  .home-news-list { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .recommend-grid { grid-template-columns: 1fr; }
  .recommend-card { flex-direction: column; align-items: flex-start; }
}

/* ==========================================================================
   首页常见问题（FAQ）
   ========================================================================== */
.faq { background: var(--bg-soft); }
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.faq-item summary {
  cursor: pointer;
  padding: 18px 48px 18px 22px;
  font-size: 16px; font-weight: 600;
  color: var(--blue-900);
  list-style: none;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute; right: 20px; top: 50%;
  transform: translateY(-50%);
  font-size: 24px; line-height: 1;
  color: var(--blue-600);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 22px 18px; font-size: 15px; color: var(--ink-soft); line-height: 1.9; }