/* ============ Fengye 企业官网样式 ============ */
:root {
  --green-900: #23402a;
  --green-700: #2f5233;
  --green-600: #3c6e47;
  --green-100: #e7f0e7;
  --cream: #faf8f3;
  --ink: #1f2a22;
  --muted: #6b7a6e;
  --gold: #c8a15a;
  --radius: 14px;
  --shadow: 0 8px 28px rgba(35, 64, 42, 0.10);
  --maxw: 1180px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 248, 243, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(35, 64, 42, 0.08);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  height: 68px; display: flex; align-items: center; gap: 32px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--green-700), var(--green-600));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 15px; letter-spacing: 1px;
}
.logo b { color: var(--green-900); font-size: 17px; }
.logo small { display: block; font-size: 10px; color: var(--muted); font-weight: 400; line-height: 1.2; }
.nav-links { display: flex; gap: 26px; margin-left: auto; align-items: center; }
.nav-links a { font-size: 15px; color: var(--ink); padding: 6px 2px; position: relative; }
.nav-links a:hover { color: var(--green-700); }
.nav-links a.active { color: var(--green-700); font-weight: 600; }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--green-700); border-radius: 2px;
}
.btn {
  display: inline-block; padding: 10px 22px; border-radius: 999px;
  font-size: 14px; cursor: pointer; border: none; transition: 0.2s;
}
.btn-primary { background: var(--green-700); color: #fff; }
.btn-primary:hover { background: var(--green-900); }
.btn-outline { border: 1.5px solid var(--green-700); color: var(--green-700); background: transparent; }
.btn-outline:hover { background: var(--green-700); color: #fff; }
.btn-login { padding: 8px 18px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 560px;
  display: flex; align-items: center; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url("../assets/img/hero.jpg") center/cover no-repeat;
  filter: brightness(0.55);
}
.hero-content {
  position: relative; max-width: var(--maxw); margin: 0 auto; padding: 80px 24px;
  color: #fff; width: 100%;
}
.hero-tag {
  display: inline-block; background: rgba(200, 161, 90, 0.9); color: #fff;
  font-size: 13px; letter-spacing: 3px; padding: 6px 16px; border-radius: 4px; margin-bottom: 22px;
}
.hero h1 { font-size: 46px; line-height: 1.25; font-weight: 700; letter-spacing: 1px; }
.hero p { margin: 18px 0 30px; font-size: 17px; color: rgba(255,255,255,0.88); max-width: 640px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 通用区块 ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: 72px 24px; }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head .kicker {
  color: var(--gold); font-size: 13px; letter-spacing: 4px;
  text-transform: uppercase; margin-bottom: 10px;
}
.section-head h2 { font-size: 32px; color: var(--green-900); }
.section-head p { color: var(--muted); margin-top: 10px; }

.grid { display: grid; gap: 24px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 32px; }
}
@media (max-width: 560px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; transition: transform 0.25s, box-shadow 0.25s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 36px rgba(35,64,42,0.16); }
.card img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.card-body { padding: 16px 18px 20px; }
.card-body h3 { font-size: 16px; color: var(--green-900); }
.card-body .en { font-size: 13px; color: var(--muted); margin-top: 2px; }
.card-meta {
  display: flex; justify-content: space-between; margin-top: 10px;
  font-size: 12px; color: var(--green-700);
}
.badge {
  display: inline-block; font-size: 11px; padding: 3px 10px; border-radius: 999px;
  background: rgba(200, 161, 90, 0.15); color: var(--gold); margin-bottom: 8px;
}

/* 数字亮点 */
.stats-band { background: var(--green-900); color: #fff; }
.stats-band .section { padding: 48px 24px; }
.stat { text-align: center; }
.stat b { font-size: 38px; color: #fff; display: block; }
.stat b span { color: var(--gold); }
.stat p { color: rgba(255,255,255,0.75); font-size: 14px; margin-top: 6px; }

/* 服务优势 */
.feature-card { padding: 28px 24px; text-align: center; }
.feature-card .icon {
  width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 14px;
  background: var(--green-100); color: var(--green-700);
  display: flex; align-items: center; justify-content: center; font-size: 26px;
}
.feature-card h3 { font-size: 17px; margin-bottom: 8px; color: var(--green-900); }
.feature-card p { font-size: 14px; color: var(--muted); }

/* 关于页 */
.about-hero {
  background: url("../assets/img/workshop.jpg") center/cover no-repeat;
  height: 380px; position: relative;
}
.about-hero::after { content: ""; position: absolute; inset: 0; background: rgba(35,64,42,0.45); }
.about-hero h1 {
  position: relative; z-index: 1; color: #fff; text-align: center;
  padding-top: 150px; font-size: 38px; letter-spacing: 2px;
}
.two-col { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }
.lead { font-size: 16.5px; color: var(--ink); }
.about-img { border-radius: var(--radius); box-shadow: var(--shadow); }
.value-list { list-style: none; margin-top: 18px; }
.value-list li { padding: 10px 0 10px 30px; position: relative; color: var(--muted); font-size: 15px; }
.value-list li::before {
  content: "✓"; position: absolute; left: 0; top: 10px;
  color: var(--green-600); font-weight: 700;
}

/* OEM 三卡 */
.tagline {
  display: inline-block; border: 1.5px solid var(--gold); color: var(--gold);
  border-radius: 999px; padding: 4px 14px; font-size: 12px; letter-spacing: 2px;
}

/* 产品页筛选 */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 36px; }
.filter-bar button {
  padding: 8px 20px; border-radius: 999px; border: 1.5px solid #d8d4c8;
  background: #fff; cursor: pointer; font-size: 14px; color: var(--ink); transition: 0.2s;
}
.filter-bar button.active, .filter-bar button:hover {
  background: var(--green-700); border-color: var(--green-700); color: #fff;
}
.product-count { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 20px; }

/* 包装 */
.pack-card { text-align: center; padding: 22px 16px; }
.pack-card img {
  height: 190px; width: auto; margin: 0 auto 14px; object-fit: contain;
  border-radius: 10px;
}
.pack-card h3 { font-size: 15px; color: var(--green-900); }
.pack-card p { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* 联系页 */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; }
@media (max-width: 860px) { .contact-wrap { grid-template-columns: 1fr; } }
.contact-info-card { padding: 30px 28px; }
.contact-item { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed #e4e0d5; }
.contact-item:last-child { border-bottom: none; }
.contact-item .ci-icon { font-size: 20px; }
.contact-item b { display: block; font-size: 13px; color: var(--green-900); }
.contact-item p { font-size: 14px; color: var(--muted); word-break: break-all; }
.form-card { padding: 30px 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13px; color: var(--green-900); margin-bottom: 6px; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 11px 14px; border: 1.5px solid #ddd8cb; border-radius: 10px;
  font-size: 14px; font-family: inherit; background: #fff; outline: none; transition: 0.2s;
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--green-600); }
.form-hint { font-size: 13px; color: var(--green-700); margin-top: 12px; display: none; }

/* 登录 */
.auth-wrap { min-height: calc(100vh - 68px); display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.auth-card { width: 420px; max-width: 100%; padding: 40px 36px; }
.auth-card h2 { color: var(--green-900); text-align: center; margin-bottom: 6px; }
.auth-card .sub { text-align: center; color: var(--muted); font-size: 14px; margin-bottom: 26px; }
.auth-switch { text-align: center; font-size: 13px; color: var(--muted); margin-top: 18px; }
.auth-switch a { color: var(--green-700); font-weight: 600; cursor: pointer; }
.form-error { color: #c0392b; font-size: 13px; margin-top: 10px; display: none; }

/* 页脚 */
.site-footer { background: var(--green-900); color: rgba(255,255,255,0.8); margin-top: 60px; }
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 44px 24px;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px;
}
@media (max-width: 720px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-inner h4 { color: #fff; margin-bottom: 12px; font-size: 15px; }
.footer-inner p, .footer-inner a { font-size: 13.5px; line-height: 1.9; }
.footer-inner a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); text-align: center; padding: 16px; font-size: 12.5px; color: rgba(255,255,255,0.5); }

/* 用户菜单 */
.user-chip {
  display: none; align-items: center; gap: 8px; cursor: pointer;
  padding: 6px 14px; border-radius: 999px; background: var(--green-100);
  font-size: 14px; color: var(--green-900);
}