/* ============================================================
   瑞安市盛达工艺品有限公司 · 官网样式
   主题：圣诞节 —— 圣诞红(CTA) + 冬青绿(深色底) + 雪白(背景) + 金饰(点缀)
   ============================================================ */
:root {
  --pine: #0f3d2c;        /* 冬青绿（深色底，原松绿） */
  --pine-600: #155a41;
  --pine-050: #e8f1ea;
  --red: #c0202c;         /* 圣诞红（主行动色） */
  --red-600: #a1131f;
  --red-050: #fdecec;
  --gold: #c99a2e;        /* 暖金（点缀/金属细节） */
  --gold-dark: #9c7415;
  --cream: #f6f2e9;
  --snow: #eef4f1;        /* 雪白背景（微冷） */
  --ink: #1c2b24;
  --muted: #5c6b62;
  --border: #dfe6e0;
  --card: #ffffff;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(15, 61, 44, .09);
  --font-display: Georgia, "Noto Serif SC", "Songti SC", SimSun, serif;
  --font-body: -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--snow);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { width: min(1160px, 92%); margin: 0 auto; }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.3; }
h1 { font-size: clamp(1.9rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.15rem; }

/* ---------- 通用板块 ---------- */
.section { padding: 72px 0; }
.section.alt { background: #fff; }
.eyebrow {
  display: block; font-size: .8rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--gold-dark); margin-bottom: 10px;
}
.section-head { max-width: 640px; margin: 0 auto 44px; text-align: center; }
.section-head p { color: var(--muted); margin-top: 12px; }
.section-head.left { margin-left: 0; text-align: left; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  padding: 12px 26px; border-radius: 8px; border: 1px solid transparent;
  font-size: .95rem; font-weight: 700; transition: .2s;
}
.btn-gold { background: linear-gradient(135deg, var(--red), var(--red-600)); color: #fff; box-shadow: 0 4px 14px rgba(192,32,44,.32); }
.btn-gold:hover { background: linear-gradient(135deg, var(--red-600), #7d0f18); color: #fff; }
.btn-pine { background: var(--pine); color: #eef4f1; }
.btn-pine:hover { background: var(--pine-600); }
.btn-ghost { border-color: rgba(247,241,230,.45); color: #f7f1e6; }
.btn-ghost:hover { background: #f7f1e6; color: var(--pine); }
.btn-outline { border-color: var(--pine); color: var(--pine); background: transparent; }
.btn-outline:hover { background: var(--pine); color: #f7f1e6; }
.btn-sm { padding: 8px 16px; font-size: .85rem; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(238,244,241,.94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 4px;
  background: repeating-linear-gradient(45deg, var(--red) 0 12px, #fff 12px 24px, var(--pine) 24px 36px, #fff 36px 48px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 9px; background: var(--pine);
  color: var(--gold); font-family: var(--font-display); font-weight: 700;
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
}
.logo-text b { display: block; font-size: .95rem; color: var(--pine); letter-spacing: .04em; }
.logo-text span { display: block; font-size: .68rem; color: var(--muted); letter-spacing: .06em; }

.nav { display: flex; gap: 4px; }
.nav a {
  padding: 9px 14px; border-radius: 8px; font-size: .92rem; font-weight: 600; color: #3c4a44;
}
.nav a:hover { background: var(--pine-050); color: var(--pine); }
.nav a.active { color: var(--pine); background: var(--pine-050); }
.header-cta { display: flex; align-items: center; gap: 10px; }
.lang-switch {
  display: inline-flex; align-items: center; gap: 5px; white-space: nowrap;
  height: 34px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--border);
  background: #fff; color: var(--pine); font-size: .82rem; font-weight: 700; transition: .2s;
}
.lang-switch:hover { border-color: var(--gold); color: var(--gold-dark); background: var(--cream); }
.nav-toggle {
  display: none; border: 1px solid var(--border); background: #fff; border-radius: 8px;
  width: 40px; height: 40px; font-size: 1.1rem; cursor: pointer; color: var(--pine);
}
.mobile-nav { display: none; border-top: 1px solid var(--border); background: #fff; }
.mobile-nav a { display: block; padding: 12px 4%; font-weight: 600; color: #3c4a44; border-bottom: 1px solid #f0ede5; }
.mobile-nav.open { display: block; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #eef4f1;
  background:
    radial-gradient(900px 420px at 88% -8%, rgba(192,32,44,.42), transparent 62%),
    radial-gradient(700px 480px at -8% 112%, rgba(201,154,46,.22), transparent 60%),
    linear-gradient(160deg, #14523a, var(--pine) 60%, #0b3223);
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.9) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 60%, rgba(255,255,255,.7) 0 1.6px, transparent 3px),
    radial-gradient(circle at 45% 85%, rgba(201,154,46,.9) 0 2px, transparent 3px);
  background-size: 190px 190px, 130px 130px, 240px 240px;
}
/* 飘雪层 */
.hero::after {
  content: ""; position: absolute; inset: -12% 0 0 0; pointer-events: none; z-index: 2;
  background-image:
    radial-gradient(2.5px 2.5px at 12% 20%, rgba(255,255,255,.95), transparent),
    radial-gradient(2px 2px at 28% 60%, rgba(255,255,255,.8), transparent),
    radial-gradient(3px 3px at 44% 30%, rgba(255,255,255,.9), transparent),
    radial-gradient(2px 2px at 63% 72%, rgba(255,255,255,.75), transparent),
    radial-gradient(2.5px 2.5px at 78% 40%, rgba(255,255,255,.85), transparent),
    radial-gradient(2px 2px at 90% 66%, rgba(255,255,255,.8), transparent);
  background-size: 100% 200%;
  animation: snowfall 14s linear infinite;
}
@keyframes snowfall { from { background-position: 0 -20%; } to { background-position: 0 120%; } }
@media (prefers-reduced-motion: reduce) { .hero::after { animation: none; } }
.hero-inner { position: relative; z-index: 3; display: grid; gap: 48px; padding: 84px 0 72px; align-items: center; }
.hero h1 { margin: 14px 0 18px; color: #fff; }
.hero .lead { font-size: 1.08rem; color: rgba(247,241,230,.86); max-width: 34em; }
.hero .hero-eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .16em;
  color: var(--gold); border: 1px solid rgba(201,162,75,.5); border-radius: 999px; padding: 5px 14px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 26px; font-size: .88rem; color: rgba(247,241,230,.75); }
.hero-tags span::before { content: "✔ "; color: var(--gold); }
.hero-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hero-card {
  border-radius: 14px; padding: 22px; min-height: 130px; display: flex; flex-direction: column; justify-content: flex-end;
  background: linear-gradient(140deg, var(--c1), var(--c2)); color: #fff; box-shadow: var(--shadow);
}
.hero-card .ico { font-size: 1.6rem; margin-bottom: auto; }
.hero-card b { font-size: 1.02rem; }
.hero-card small { opacity: .85; font-size: .78rem; }

/* ---------- 数据栏 ---------- */
.stats { background: #fff; border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding: 34px 0; text-align: center; }
.stat b { font-family: var(--font-display); font-size: 2rem; color: var(--pine); display: block; }
.stat span { font-size: .86rem; color: var(--muted); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: .2s;
}
.card:hover { transform: translateY(-4px); }
.card-body { padding: 20px 22px 22px; }
.card-body h3 a:hover { color: var(--gold-dark); }
.card-body p { color: var(--muted); font-size: .92rem; margin-top: 8px; }

.tile {
  height: 170px; display: flex; align-items: center; justify-content: center;
  font-size: 3rem; background: linear-gradient(140deg, var(--c1), var(--c2)); color: rgba(255,255,255,.92);
}
.tile.tall { height: 300px; font-size: 4rem; }

.cat-tag {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .08em;
  color: var(--gold-dark); background: rgba(201,162,75,.14); border-radius: 999px; padding: 3px 10px;
}
.price { color: var(--pine); font-weight: 700; font-size: .9rem; }
.meta { color: var(--muted); font-size: .82rem; margin-top: 6px; }
.card-actions { display: flex; gap: 10px; margin-top: 14px; }

/* ---------- 优势 / 流程 ---------- */
.feature { display: flex; gap: 16px; }
.feature .fico {
  flex: none; width: 48px; height: 48px; border-radius: 12px; font-size: 1.4rem;
  background: var(--pine-050); display: flex; align-items: center; justify-content: center;
}
.feature h3 { font-size: 1.02rem; }
.feature p { color: var(--muted); font-size: .9rem; margin-top: 6px; }

.dark-section { background: var(--pine); color: #f7f1e6; }
.dark-section .eyebrow { color: var(--gold); }
.dark-section .section-head p { color: rgba(247,241,230,.78); }
.step-card {
  border: 1px solid rgba(247,241,230,.16); background: rgba(255,255,255,.05);
  border-radius: var(--radius); padding: 24px;
}
.step-card b.no { font-family: var(--font-display); font-size: 1.6rem; color: var(--gold); display: block; }
.step-card h3 { margin: 8px 0 6px; font-size: 1.05rem; }
.step-card p { font-size: .88rem; color: rgba(247,241,230,.8); }

/* ---------- 资讯 ---------- */
.news-item time { font-size: .8rem; color: var(--gold-dark); font-weight: 700; letter-spacing: .06em; }
.news-item h3 { margin: 8px 0; font-size: 1.08rem; }
.news-item p { color: var(--muted); font-size: .9rem; }

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  position: relative; overflow: hidden;
  background:
    radial-gradient(500px 260px at 90% 0%, rgba(201,154,46,.28), transparent 60%),
    radial-gradient(500px 260px at 8% 100%, rgba(192,32,44,.4), transparent 60%),
    linear-gradient(140deg, #14523a, var(--pine));
  color: #eef4f1; border-radius: 18px; padding: 56px 8%; text-align: center;
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(247,241,230,.85); margin: 14px auto 26px; max-width: 36em; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: .88rem; font-weight: 700; margin-bottom: 6px; }
.field label em { color: #b23a38; font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 8px; background: #fff;
  padding: 11px 13px; font-size: .92rem; font-family: inherit; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,162,75,.22);
}
.field .err { display: none; color: #b23a38; font-size: .78rem; margin-top: 4px; }
.field.invalid input, .field.invalid select { border-color: #b23a38; }
.field.invalid .err { display: block; }
.form-note { font-size: .78rem; color: var(--muted); margin-top: 14px; }
.success-box { text-align: center; padding: 46px 26px; }
.success-box .big { font-size: 3rem; }
.success-box .ref {
  display: inline-block; margin: 16px 0; background: var(--cream); border-radius: 8px;
  padding: 10px 18px; font-weight: 700; letter-spacing: .05em; color: var(--pine);
}

/* ---------- 信息行 ---------- */
.info-row { display: flex; gap: 12px; padding: 13px 0; border-bottom: 1px dashed var(--border); font-size: .92rem; }
.info-row:last-child { border-bottom: none; }
.info-row .i { flex: none; }
.info-row b { color: var(--pine); }
.reg-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 36px; }
.reg-grid dt { font-size: .78rem; color: var(--muted); letter-spacing: .04em; }
.reg-grid dd { font-weight: 600; margin-top: 2px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--pine); color: rgba(247,241,230,.82); margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 36px; padding: 52px 0 36px; }
.site-footer h4 { color: var(--gold); font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; font-family: var(--font-body); }
.site-footer a:hover { color: #fff; }
.site-footer li { padding: 3px 0; font-size: .9rem; }
.footer-bar { border-top: 1px solid rgba(247,241,230,.14); padding: 18px 0; font-size: .78rem; color: rgba(247,241,230,.55); text-align: center; }

/* ---------- 询价悬浮按钮 & 回顶 ---------- */
.float-cta {
  position: fixed; right: 18px; bottom: 18px; z-index: 60; border-radius: 999px;
  background: linear-gradient(135deg, var(--red), var(--red-600)); color: #fff; font-weight: 800; font-size: .9rem;
  padding: 13px 20px; box-shadow: 0 6px 20px rgba(15,61,44,.4);
}
#back-top {
  position: fixed; left: 18px; bottom: 18px; z-index: 60; width: 42px; height: 42px;
  border-radius: 50%; border: none; background: var(--pine); color: var(--gold);
  font-size: 1.1rem; cursor: pointer; opacity: 0; pointer-events: none; transition: .25s;
}
#back-top.show { opacity: 1; pointer-events: auto; }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- 面包屑 / 页首横幅 ---------- */
.page-banner {
  position: relative; overflow: hidden;
  background:
    radial-gradient(600px 300px at 92% -30%, rgba(192,32,44,.4), transparent 62%),
    linear-gradient(140deg, #14523a, var(--pine) 55%, #0b3223);
  color: #eef4f1; padding: 52px 0;
}
.page-banner::before {
  content: ""; position: absolute; inset: 0; opacity: .4; pointer-events: none;
  background-image:
    radial-gradient(circle at 15% 30%, rgba(255,255,255,.85) 0 1.6px, transparent 3px),
    radial-gradient(circle at 65% 70%, rgba(201,154,46,.9) 0 1.6px, transparent 3px);
  background-size: 150px 150px, 210px 210px;
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner .crumb { font-size: .82rem; color: rgba(247,241,230,.65); margin-bottom: 10px; }
.page-banner .crumb a:hover { color: var(--gold); }
.page-banner h1 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.2rem); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .nav, .header-cta .btn { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .hero-inner { grid-template-columns: 1fr; padding: 56px 0 52px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .reg-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .section { padding: 52px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-cards { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}