/* ==========================================================================
   景泰早酥梨宣传网站 - 全局样式
   域名: www.sunton3m.com | 联系人: 王文军
   ========================================================================== */

:root {
  --c-green: #4C8C3A;          /* 主绿 */
  --c-green-dark: #35652A;      /* 深绿 */
  --c-green-deep: #28491F;      /* 最深绿 */
  --c-green-light: #7CB342;     /* 亮绿 */
  --c-lime: #9CCC65;            /* 浅绿 */
  --c-pear: #EAF1D8;            /* 梨果黄绿（浅底） */
  --c-pear-soft: #F4F8EA;       /* 更浅的梨绿 */
  --c-gold: #D9A441;            /* 金色（荣誉点缀） */
  --c-gold-deep: #B8862C;
  --c-bg: #FAF9F3;              /* 米白背景 */
  --c-white: #FFFFFF;
  --c-text: #2A3326;            /* 深色文字 */
  --c-muted: #6B7565;           /* 次要文字 */
  --c-border: #E4E9D8;

  --font-title: "Noto Serif SC", "Songti SC", "SimSun", "STSong", Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
               "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --shadow-sm: 0 2px 10px rgba(40, 73, 31, 0.06);
  --shadow-md: 0 8px 28px rgba(40, 73, 31, 0.10);
  --shadow-lg: 0 16px 48px rgba(40, 73, 31, 0.14);
  --radius: 14px;
  --radius-lg: 22px;
  --maxw: 1180px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
section[id] { scroll-margin-top: 84px; }

body {
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--c-green); text-decoration: none; }
a:hover { color: var(--c-green-dark); }
ul, ol { list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ============ 顶部导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 243, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--c-green-light), var(--c-green));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 22px; font-weight: 700;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}
.brand-text { line-height: 1.15; }
.brand-title { font-family: var(--font-title); font-size: 20px; font-weight: 700; color: var(--c-green-deep); }
.brand-sub { font-size: 11px; color: var(--c-muted); letter-spacing: 1px; }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  color: var(--c-text);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}
.nav-links a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--c-green);
  transition: width .25s ease;
  border-radius: 2px;
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--c-green); }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-tel {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; color: var(--c-green-deep);
  font-size: 16px;
}
.nav-tel .ico { color: var(--c-green); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px;
  border-radius: 40px;
  font-size: 15px; font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--c-green); color: #fff; box-shadow: 0 6px 18px rgba(76, 140, 58, 0.32); }
.btn-primary:hover { background: var(--c-green-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(76, 140, 58, 0.4); }
.btn-outline { background: transparent; color: var(--c-green); border: 1.5px solid var(--c-green); }
.btn-outline:hover { background: var(--c-green); color: #fff; }
.btn-gold { background: linear-gradient(135deg, #E7BC5C, var(--c-gold)); color: #3A2A08; box-shadow: 0 6px 18px rgba(217, 164, 65, 0.35); }
.btn-gold:hover { color: #3A2A08; transform: translateY(-2px); }

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.menu-toggle span { width: 24px; height: 2px; background: var(--c-green-deep); border-radius: 2px; transition: all .3s ease; }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex; align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  z-index: -2;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(20, 38, 14, 0.82) 0%, rgba(20, 38, 14, 0.45) 55%, rgba(20, 38, 14, 0.15) 100%);
  z-index: -1;
}
.hero-inner { padding: 90px 0; max-width: 640px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(4px);
  padding: 8px 18px; border-radius: 40px;
  font-size: 13px; letter-spacing: 2px; color: #F3F7E8;
}
.hero-tag .dot { width: 7px; height: 7px; background: var(--c-lime); border-radius: 50%; }
.hero h1 {
  font-family: var(--font-title);
  font-size: 58px; line-height: 1.18;
  margin: 22px 0 16px;
  font-weight: 800;
  letter-spacing: 2px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.25);
}
.hero h1 .em { color: #DDF0C2; }
.hero-sub { font-size: 19px; color: rgba(255,255,255,0.92); max-width: 520px; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-stats {
  display: flex; gap: 40px; margin-top: 52px;
  flex-wrap: wrap;
}
.hero-stat b { font-size: 30px; font-family: var(--font-title); display: block; color: #fff; }
.hero-stat span { font-size: 13px; color: rgba(255,255,255,0.78); letter-spacing: 1px; }

/* ============ 通用 Section ============ */
.section { padding: 88px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .kicker {
  display: inline-block;
  color: var(--c-gold-deep);
  font-size: 13px; letter-spacing: 3px; font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.section-head h2 { font-family: var(--font-title); font-size: 38px; color: var(--c-green-deep); line-height: 1.25; margin-bottom: 14px; }
.section-head p { color: var(--c-muted); font-size: 16px; }

/* ============ 卖点卡片 ============ */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 34px 26px;
  transition: all .3s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature-ico {
  width: 56px; height: 56px;
  background: var(--c-pear);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.feature-card h3 { font-size: 18px; color: var(--c-green-deep); margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--c-muted); line-height: 1.7; }

/* ============ 图文两栏 ============ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.split-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.split-text h2 { font-family: var(--font-title); font-size: 34px; color: var(--c-green-deep); margin-bottom: 20px; line-height: 1.3; }
.split-text p { color: var(--c-muted); margin-bottom: 16px; }
.split-text ul { margin: 8px 0 20px; }
.split-text ul li { position: relative; padding-left: 28px; margin-bottom: 12px; color: var(--c-text); }
.split-text ul li::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 12px; height: 12px;
  background: var(--c-pear);
  border: 3px solid var(--c-green);
  border-radius: 50%;
}

/* ============ 数据条 ============ */
.data-band { background: linear-gradient(135deg, var(--c-green-deep), var(--c-green-dark)); color: #fff; }
.data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.data-item b { font-family: var(--font-title); font-size: 44px; display: block; color: #DDF0C2; line-height: 1.1; }
.data-item b small { font-size: 20px; }
.data-item span { font-size: 14px; color: rgba(255,255,255,0.82); letter-spacing: 1px; }

/* ============ 荣誉 ============ */
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.honor-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 30px 28px;
  text-align: center;
  transition: all .3s ease;
}
.honor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.honor-badge {
  width: 62px; height: 62px; margin: 0 auto 18px;
  background: linear-gradient(135deg, #F7E3B0, var(--c-gold));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.honor-card h3 { font-size: 18px; color: var(--c-green-deep); margin-bottom: 10px; }
.honor-card p { font-size: 14px; color: var(--c-muted); }

/* ============ CTA ============ */
.cta-band {
  background: linear-gradient(135deg, var(--c-green), var(--c-green-dark));
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; top: -60px; right: -60px;
  width: 240px; height: 240px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.cta-band::after {
  content: ""; position: absolute; bottom: -80px; left: -40px;
  width: 200px; height: 200px; border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.cta-band h2 { font-family: var(--font-title); font-size: 34px; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,0.9); margin-bottom: 30px; }
.cta-tel { font-family: var(--font-title); font-size: 46px; font-weight: 800; color: #fff; letter-spacing: 2px; display: block; margin-bottom: 6px; }
.cta-tel:hover { color: #EAF1D8; }

/* ============ 页头 Banner ============ */
.page-banner {
  position: relative;
  padding: 110px 0 80px;
  color: #fff;
  overflow: hidden;
  background-size: cover; background-position: center;
}
.page-banner::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20, 38, 14, 0.72), rgba(20, 38, 14, 0.55));
  z-index: 0;
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 { font-family: var(--font-title); font-size: 46px; margin-bottom: 12px; }
.page-banner p { font-size: 17px; color: rgba(255,255,255,0.88); max-width: 640px; }
.crumb { font-size: 13px; color: rgba(255,255,255,0.75); margin-bottom: 18px; letter-spacing: 1px; }
.crumb a { color: #DDF0C2; }

/* ============ 表格 ============ */
.table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
table.nutrition { width: 100%; border-collapse: collapse; background: #fff; min-width: 560px; }
table.nutrition th, table.nutrition td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--c-border); }
table.nutrition thead th { background: var(--c-green-deep); color: #fff; font-weight: 600; font-size: 15px; }
table.nutrition tbody tr:hover { background: var(--c-pear-soft); }
table.nutrition td:first-child { font-weight: 600; color: var(--c-green-deep); }
.tag-ok { color: var(--c-green); font-weight: 600; }

/* ============ 采购联系 ============ */
.contact-main { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: start; }
.contact-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
}
.contact-card .label { font-size: 13px; letter-spacing: 2px; color: var(--c-gold-deep); font-weight: 600; margin-bottom: 6px; }
.contact-tel-big { font-family: var(--font-title); font-size: 44px; font-weight: 800; color: var(--c-green-deep); display: block; margin-bottom: 8px; letter-spacing: 1px; }
.contact-tel-big:hover { color: var(--c-green); }
.contact-card .person { font-size: 17px; color: var(--c-text); margin-bottom: 28px; }
.contact-row { display: flex; gap: 14px; padding: 14px 0; border-top: 1px solid var(--c-border); align-items: center; }
.contact-row .ri { color: var(--c-green); flex-shrink: 0; }
.contact-row .rk { font-size: 14px; color: var(--c-muted); width: 72px; flex-shrink: 0; }
.contact-row .rv { font-size: 15px; color: var(--c-text); font-weight: 500; }
.contact-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.guide-list { display: flex; flex-direction: column; gap: 18px; }
.guide-item { display: flex; gap: 16px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 22px 24px; }
.guide-num {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--c-pear); color: var(--c-green-deep);
  border-radius: 10px; font-weight: 700; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-title);
}
.guide-item h4 { font-size: 16px; color: var(--c-green-deep); margin-bottom: 6px; }
.guide-item p { font-size: 14px; color: var(--c-muted); }

/* ============ 底部 ============ */
.site-footer { background: var(--c-green-deep); color: rgba(255,255,255,0.82); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .brand-title { color: #fff; font-size: 22px; }
.footer-brand p { font-size: 14px; margin-top: 16px; line-height: 1.8; color: rgba(255,255,255,0.7); }
.footer-h { font-size: 16px; color: #fff; margin-bottom: 20px; font-weight: 600; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: rgba(255,255,255,0.72); font-size: 14px; }
.footer-links a:hover { color: #DDF0C2; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; font-size: 15px; }
.footer-contact .tel-big { font-family: var(--font-title); font-size: 26px; font-weight: 700; color: #DDF0C2; }
.footer-contact .tel-big:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.14); padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.55); }

/* ============ 实拍图集 ============ */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-item { position: relative; display: block; overflow: hidden; border-radius: 16px; box-shadow: 0 6px 20px rgba(0,0,0,0.08); transition: transform .3s ease, box-shadow .3s ease; }
.gallery-item:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(0,0,0,0.14); }
.gallery-item img { width: 100%; height: 280px; object-fit: cover; display: block; transition: transform .6s ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-caption { position: absolute; left: 16px; bottom: 16px; background: rgba(255,255,255,0.94); color: var(--c-green-deep); padding: 7px 16px; border-radius: 30px; font-size: 13px; font-weight: 600; letter-spacing: 1px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }

/* ============ 常见问题 ============ */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--c-white); border-radius: 16px; padding: 28px 32px; margin-bottom: 18px; box-shadow: 0 4px 16px rgba(0,0,0,0.05); }
.faq-item h3 { font-size: 19px; color: var(--c-green-deep); margin-bottom: 10px; font-weight: 700; }
.faq-item p { color: var(--c-muted); line-height: 1.8; font-size: 15px; margin: 0; }

/* ============ 动画 ============ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ============ 响应式 ============ */
@media (max-width: 960px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .data-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .gallery-item img { height: 200px; }
  .hero h1 { font-size: 44px; }
  .nav-links, .nav-cta .nav-tel { display: none; }
  .menu-toggle { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--c-bg);
    padding: 20px 24px 28px;
    gap: 18px;
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-md);
    align-items: flex-start;
  }
  .nav-links.open a { font-size: 17px; }
  .cta-band { padding: 48px 28px; }
  .cta-tel { font-size: 34px; }
  .contact-main { grid-template-columns: 1fr; }
  .contact-tel-big { font-size: 34px; }
}

@media (max-width: 560px) {
  .features-grid, .honor-grid { grid-template-columns: 1fr; }
  .data-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 16px; }
  .hero-stats { gap: 24px; }
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 28px; }
  .split-text h2 { font-size: 26px; }
  .page-banner { padding: 80px 0 56px; }
  .page-banner h1 { font-size: 34px; }
  .cta-tel { font-size: 28px; }
}