/* ============================================================
   一念佛珠 · 全站样式（双语 / 高端禅意风）
   ============================================================ */

:root {
  --paper: #f7f1e6;
  --paper-deep: #efe6d3;
  --card: #fdfaf4;
  --ink: #2b221c;
  --ink-soft: #6b5d4f;
  --ink-faint: #9a8d7e;
  --cinnabar: #a53a2b;
  --cinnabar-dark: #7e2a1e;
  --gold: #c09a55;
  --gold-light: #dcc08a;
  --jade: #4a7a6a;
  --line: #e4d9c4;
  --shadow: 0 18px 40px -18px rgba(43, 34, 28, .28);
  --shadow-soft: 0 8px 24px -12px rgba(43, 34, 28, .18);
  --font-display: "STKaiti", "KaiTi", "楷体", "Kaiti SC", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --max-w: 1160px;
  --radius: 14px;
  --radius-sm: 8px;
  --nav-h: 68px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  line-height: 1.75;
  background:
    radial-gradient(1200px 600px at 50% -200px, rgba(192, 154, 85, .10), transparent 70%),
    radial-gradient(900px 500px at 100% 120%, rgba(74, 122, 106, .06), transparent 60%),
    var(--paper);
  min-height: 100vh;
}

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

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.35; letter-spacing: .02em; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-size: 15px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--cinnabar); color: #fdf8ef; box-shadow: 0 10px 22px -10px rgba(165, 58, 43, .6); }
.btn-primary:hover { background: var(--cinnabar-dark); transform: translateY(-2px); box-shadow: 0 14px 26px -10px rgba(165, 58, 43, .65); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--gold); color: var(--cinnabar); transform: translateY(-2px); }

/* ---------- 导航 ---------- */
.site-nav {
  position: sticky; top: 0; z-index: 60;
  height: var(--nav-h);
  background: rgba(247, 241, 230, .82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(228, 217, 196, .7);
}
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 20px; color: #fdf8ef;
  background: radial-gradient(circle at 32% 28%, var(--cinnabar), var(--cinnabar-dark));
  box-shadow: 0 4px 10px -3px rgba(165, 58, 43, .5);
}
.brand-name { font-family: var(--font-display); font-size: 19px; font-weight: 600; letter-spacing: .04em; display: flex; flex-direction: column; line-height: 1.1; }
.brand-name small { font-family: var(--font-body); font-size: 9px; font-weight: 500; letter-spacing: .22em; color: var(--ink-faint); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 13px; border-radius: 999px; font-size: 14.5px; color: var(--ink-soft);
  transition: color .2s ease, background .2s ease;
}
.nav-links a:hover { color: var(--cinnabar); background: rgba(165, 58, 43, .06); }
.nav-links a.nav-cta { background: var(--cinnabar); color: #fdf8ef; margin-left: 6px; box-shadow: 0 8px 16px -8px rgba(165, 58, 43, .6); }
.nav-links a.nav-cta:hover { background: var(--cinnabar-dark); color: #fdf8ef; }

.nav-right { display: flex; align-items: center; gap: 12px; }
.lang-switch {
  display: inline-flex; align-items: center; gap: 2px;
  background: var(--paper-deep); border: 1px solid var(--line); border-radius: 999px; padding: 3px;
}
.lang-btn {
  border: none; background: transparent; color: var(--ink-soft);
  font-size: 13px; font-weight: 600; padding: 5px 12px; border-radius: 999px;
  cursor: pointer; transition: all .22s ease;
}
.lang-btn.active { background: var(--ink); color: var(--paper); }

.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: var(--card); border-radius: var(--radius-sm); cursor: pointer; position: relative; }
.nav-toggle span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .25s ease; }
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 26px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(700px 420px at 82% 12%, rgba(192, 154, 85, .16), transparent 62%),
    radial-gradient(600px 420px at 8% 88%, rgba(165, 58, 43, .08), transparent 60%),
    linear-gradient(175deg, #f8f3e8, #efe6d3);
}
.hero-inner {
  min-height: calc(100vh - var(--nav-h)); max-height: 760px;
  display: flex; align-items: center; gap: 48px; padding: 64px 24px;
}
.hero-copy { flex: 1 1 52%; }
.hero-kicker {
  display: inline-block; font-family: var(--font-display); font-size: 14px; letter-spacing: .28em;
  color: var(--cinnabar); margin-bottom: 18px; padding: 6px 16px;
  border: 1px solid rgba(165, 58, 43, .28); border-radius: 999px; background: rgba(253, 250, 244, .6);
}
.hero-title { font-size: clamp(38px, 5.4vw, 60px); font-weight: 600; letter-spacing: .02em; }
.hero-line2 { color: var(--cinnabar); }
.hero-lead { margin: 22px 0 30px; font-size: 16.5px; color: var(--ink-soft); max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-art { flex: 0 0 320px; position: relative; display: flex; align-items: center; justify-content: center; }
.glow {
  position: absolute; inset: 6%; border-radius: 50%;
  background: radial-gradient(circle, rgba(192, 154, 85, .22), transparent 70%);
  animation: breathe 7s ease-in-out infinite;
}
@keyframes breathe { 0%, 100% { transform: scale(1); opacity: .8; } 50% { transform: scale(1.07); opacity: 1; } }
.bead-ring { position: relative; z-index: 1; animation: spin 90s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.bead { position: absolute; border-radius: 50%; box-shadow: inset -2px -3px 6px rgba(0,0,0,.25), 0 2px 6px rgba(0,0,0,.14); }

/* ---------- 信任栏 ---------- */
.trust-bar { background: var(--ink); color: #f3ecdd; }
.trust-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(243, 236, 221, .12); }
.trust-item { padding: 26px 22px; background: var(--ink); display: flex; flex-direction: column; gap: 4px; }
.trust-t { font-family: var(--font-display); font-size: 19px; letter-spacing: .08em; color: var(--gold-light); }
.trust-s { font-size: 13px; color: #cbbfa8; }

/* ---------- 区块通用 ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--paper-deep); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-title { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: .04em; }
.ornament { display: flex; align-items: center; justify-content: center; gap: 12px; margin: 16px 0; color: var(--gold); }
.ornament::before, .ornament::after { content: ""; width: 56px; height: 1px; background: linear-gradient(90deg, transparent, var(--gold)); }
.ornament::after { background: linear-gradient(90deg, var(--gold), transparent); }
.dot { letter-spacing: .3em; font-size: 14px; }
.section-sub { color: var(--ink-soft); margin-top: 6px; }

/* ---------- 特性 ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 30px; text-align: center; transition: transform .3s ease, box-shadow .3s ease;
}
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.feature-icon {
  width: 62px; height: 62px; margin: 0 auto 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 26px; color: var(--cinnabar);
  background: radial-gradient(circle at 32% 28%, #f8efe0, #e9dcc2); border: 1px solid var(--line);
}
.feature h3 { font-size: 20px; margin-bottom: 10px; }
.feature p { color: var(--ink-soft); font-size: 14.5px; }

/* ---------- 产品网格与卡片 ---------- */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: transform .3s ease, box-shadow .3s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.product-link { display: block; }
.product-media {
  position: relative; height: 210px; display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--line); overflow: hidden;
}
.product-cat {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-size: 12px; padding: 4px 12px; border-radius: 999px;
  background: rgba(43, 34, 28, .72); color: #f3ecdd; letter-spacing: .06em;
}
.bead-svg { width: 78%; max-width: 186px; transition: transform .35s ease; }
.product-card:hover .bead-svg { transform: scale(1.06) rotate(-3deg); }
.product-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.product-body h3 { font-size: 19px; }
.product-body h3 a:hover { color: var(--cinnabar); }
.meaning { color: var(--cinnabar); font-size: 13.5px; font-family: var(--font-display); }
.desc { color: var(--ink-soft); font-size: 13.5px; line-height: 1.7; }
.specs { display: flex; gap: 6px; flex-wrap: wrap; }
.spec {
  font-size: 12px; padding: 3px 10px; border-radius: 999px;
  background: rgba(192, 154, 85, .14); color: #8a6a35; border: 1px solid rgba(192, 154, 85, .3);
}
.product-foot { margin-top: auto; padding-top: 8px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.price { font-size: 22px; font-weight: 700; color: var(--cinnabar); font-family: var(--font-display); }
.product-cta {
  padding: 9px 18px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
  background: var(--cinnabar); color: #fdf8ef; box-shadow: 0 6px 14px -6px rgba(165, 58, 43, .6);
  transition: transform .22s ease, background .22s ease;
}
.product-cta:hover { background: var(--cinnabar-dark); transform: translateY(-2px); }

.view-all { text-align: center; margin-top: 44px; }

/* ---------- 品类分组 + 筛选 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }
.filter-btn {
  padding: 9px 20px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink-soft); font-size: 14px; cursor: pointer; transition: all .22s ease;
}
.filter-btn:hover { border-color: var(--gold); color: var(--cinnabar); }
.filter-btn.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.category-block { margin-bottom: 56px; }
.category-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 22px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.category-title { font-size: 24px; letter-spacing: .06em; }
.category-count { color: var(--ink-faint); font-size: 13px; }
.no-result { text-align: center; color: var(--ink-faint); padding: 60px 0; }

/* ---------- 品牌故事 ---------- */
.story-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 60px; align-items: center; }
.story-text .section-head { text-align: left; margin-bottom: 24px; }
.story-lead { font-family: var(--font-display); font-size: 19px; color: var(--cinnabar); margin-bottom: 16px; }
.story-text p { color: var(--ink-soft); margin-bottom: 14px; }
.story-visual { display: flex; align-items: center; justify-content: center; }
.big-char {
  font-family: var(--font-display); font-size: 200px; line-height: 1; color: var(--gold);
  opacity: .55; text-shadow: 0 20px 60px rgba(192, 154, 85, .3);
}

/* ---------- CTA ---------- */
.cta-band { text-align: center; }
.cta-inner { max-width: 620px; }
.cta-inner h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 12px; }
.cta-inner p { color: var(--ink-soft); margin-bottom: 26px; }

/* ---------- 内页 hero ---------- */
.page-hero {
  padding: 84px 24px 64px; text-align: center;
  background:
    radial-gradient(600px 320px at 50% -80px, rgba(192, 154, 85, .14), transparent 70%),
    linear-gradient(175deg, #f8f3e8, #efe6d3);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(30px, 4vw, 42px); letter-spacing: .06em; }
.page-hero p { color: var(--ink-soft); margin-top: 12px; font-size: 15.5px; }
.page-lead { text-align: center; max-width: 680px; margin: 0 auto 48px; color: var(--ink-soft); font-size: 16px; }

/* ---------- 详情页 ---------- */
.detail-hero { padding: 72px 0 40px; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.detail-media {
  position: relative; border-radius: var(--radius); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; padding: 32px; min-height: 380px;
}
.detail-media .bead-svg { width: 70%; max-width: 300px; }
.detail-info { display: flex; flex-direction: column; gap: 14px; }
.back-link { font-size: 13.5px; color: var(--ink-faint); margin-bottom: 4px; }
.back-link:hover { color: var(--cinnabar); }
.detail-cat { align-self: flex-start; font-size: 12.5px; padding: 4px 14px; border-radius: 999px; background: rgba(43,34,28,.72); color: #f3ecdd; letter-spacing: .08em; }
.detail-info h1 { font-size: clamp(30px, 4vw, 42px); }
.detail-meaning { font-family: var(--font-display); font-size: 17px; color: var(--cinnabar); }
.detail-desc { color: var(--ink-soft); }
.detail-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 8px 0; }
.detail-specs > div { background: var(--paper-deep); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; }
.detail-specs .k { display: block; font-size: 12px; color: var(--ink-faint); }
.detail-specs .v { font-size: 15px; font-weight: 600; }
.detail-price { font-size: 34px; font-weight: 700; color: var(--cinnabar); font-family: var(--font-display); }
.detail-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.detail-story { max-width: 760px; margin: 0 auto; }
.story-body { color: var(--ink-soft); font-size: 16px; line-height: 2; white-space: pre-line; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: 24px; margin-bottom: 12px; }
.contact-intro { color: var(--ink-soft); margin-bottom: 28px; }
.contact-rows { display: flex; flex-direction: column; gap: 20px; }
.contact-row { display: flex; gap: 16px; align-items: flex-start; }
.contact-row .ico { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 50%; background: var(--paper-deep); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-size: 18px; }
.contact-row .k { display: block; font-size: 12.5px; color: var(--ink-faint); margin-bottom: 2px; }
.contact-row .v { font-size: 15px; }
.contact-row .v a { text-decoration: underline; text-underline-offset: 3px; }
.contact-row .v a:hover { color: var(--cinnabar); }
.muted { color: var(--ink-faint); font-size: 13px; }
.wa-link { color: #128c7e; font-weight: 600; }

.form-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; box-shadow: var(--shadow-soft);
}
.form-card h2 { font-size: 22px; margin-bottom: 8px; }
.form-hint { color: var(--ink-faint); font-size: 13px; margin-bottom: 24px; }
.field { margin-bottom: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-size: 13.5px; color: var(--ink-soft); margin-bottom: 7px; }
.field label em { color: var(--cinnabar); font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fffdf8; font-size: 14.5px; font-family: inherit; color: var(--ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(192, 154, 85, .15); }
.field textarea { resize: vertical; min-height: 110px; }
.form-submit { width: 100%; margin-top: 6px; }
.form-success { text-align: center; padding: 50px 30px; }
.form-success h2 { color: var(--jade); margin-bottom: 12px; }
.form-success p { color: var(--ink-soft); }

/* ---------- 养护指南 ---------- */
.care-list { display: flex; flex-direction: column; gap: 18px; max-width: 820px; margin: 0 auto 36px; }
.care-item { display: flex; gap: 24px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; }
.care-num { font-family: var(--font-display); font-size: 30px; color: var(--gold); line-height: 1.2; flex: 0 0 auto; }
.care-body h2 { font-size: 19px; margin-bottom: 8px; }
.care-body p { color: var(--ink-soft); font-size: 14.5px; }
.care-tip { max-width: 820px; margin: 0 auto; background: rgba(74, 122, 106, .08); border: 1px solid rgba(74, 122, 106, .22); border-radius: var(--radius); padding: 26px 28px; }
.care-tip h2 { font-size: 19px; color: var(--jade); margin-bottom: 8px; }
.care-tip p { color: var(--ink-soft); font-size: 14.5px; }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 14px; max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.faq-item summary {
  cursor: pointer; padding: 18px 22px; font-family: var(--font-display); font-size: 16.5px; font-weight: 600;
  list-style: none; position: relative; display: flex; align-items: center; justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 22px; color: var(--gold); font-weight: 400; transition: transform .25s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 22px 20px; color: var(--ink-soft); font-size: 14.5px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink); color: #cfc4ad; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding: 60px 24px 44px; }
.footer-brand-name { font-family: var(--font-display); font-size: 21px; color: #f3ecdd; display: block; margin-bottom: 10px; }
.footer-brand p { font-size: 13.5px; line-height: 1.8; max-width: 280px; }
.footer-col h4 { font-size: 14px; color: var(--gold-light); margin-bottom: 16px; letter-spacing: .08em; }
.footer-col a { display: block; font-size: 13.5px; padding: 5px 0; color: #b7ab93; transition: color .2s ease; }
.footer-col a:hover { color: #f3ecdd; }
.footer-bottom { border-top: 1px solid rgba(243, 236, 221, .12); }
.footer-bottom .container { padding: 20px 24px; font-size: 12.5px; color: #8f846f; text-align: center; }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 70;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); font-size: 20px; cursor: pointer;
  box-shadow: var(--shadow-soft); opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .3s ease;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--cinnabar); color: #fdf8ef; border-color: var(--cinnabar); }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .story-grid { grid-template-columns: 1fr; }
  .story-visual { display: none; }
  .detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-inner { flex-direction: column; max-height: none; text-align: center; padding: 56px 24px 72px; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-art { flex: none; }
}

@media (max-width: 680px) {
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 59;
    flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 20px;
    background: rgba(247, 241, 230, .98); border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 6px; border-radius: 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .nav-links a.nav-cta { margin: 12px 0 0; text-align: center; border-radius: 999px; }
  .nav-toggle { display: block; }
  .products-grid { grid-template-columns: 1fr; }
  .trust-inner { grid-template-columns: 1fr 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .big-char { font-size: 140px; }
  .hero-title { font-size: 34px; }
}