/* 
  念石 NianStone - 共享样式表
  风格：宋韵极简 | 素白 + 石灰 + 朱红
*/
:root {
    --bg-paper: #F9F9F7;      
    --color-stone: #A8A8A8;   
    --color-cinnabar: #B22222;
    --color-ink: #2C2C2C;     
    --color-white: #FFFFFF;
    --color-soft-gray: #E5E5E5;
    --radius-sm: 2px;         
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    /* 字体回退栈：Web 字体失败时优雅降级到系统 CJK 字体，避免大面积文字不可见 */
    --serif: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
    --sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: var(--sans);
    background: var(--bg-paper);
    color: var(--color-ink);
    line-height: 1.8;
}

h1, h2, h3, .serif { font-family: var(--serif); font-weight: 600; }

/* 公共导航样式 */
.main-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-soft-gray);
}
.logo { text-decoration: none; display: flex; align-items: center; gap: 12px; }
.logo-icon {
    width: 30px; height: 30px; border: 1px solid var(--color-ink);
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; color: var(--color-ink); font-size: 18px;
}
.logo-text { font-size: 22px; color: var(--color-ink); letter-spacing: 3px; text-decoration: none; }
.logo-sub { font-size: 11px; color: var(--color-stone); display: block; letter-spacing: 1px; }

.nav-menu { display: flex; gap: 30px; list-style: none; }
.nav-menu a {
    text-decoration: none; color: var(--color-ink); font-size: 13px;
    letter-spacing: 1px; transition: var(--transition);
}
.nav-menu a:hover { color: var(--color-cinnabar); }

.header-actions { display: flex; gap: 20px; align-items: center; }
.header-btn { background: none; border: none; cursor: pointer; font-size: 16px; }

/* 通用按钮 */
.btn-primary {
    padding: 12px 30px;
    background: var(--color-ink);
    color: var(--color-white);
    text-decoration: none;
    font-size: 13px;
    letter-spacing: 2px;
    border: 1px solid var(--color-ink);
    transition: var(--transition);
    display: inline-block;
}
.btn-primary:hover {
    background: transparent;
    color: var(--color-ink);
}

/* 通用页脚 */
.footer {
    background: var(--color-ink);
    color: var(--color-white);
    padding: 60px 40px;
    margin-top: 100px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}
.footer h4 { margin-bottom: 20px; font-family: var(--serif); letter-spacing: 1px; }
.footer-links a {
    display: block; color: var(--color-stone);
    text-decoration: none; font-size: 13px; margin-bottom: 10px;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--color-white); }
.footer-addr { display: block; color: var(--color-stone); font-size: 12px; margin-top: 6px; line-height: 1.7; }
.footer-bottom {
    max-width: 1200px; margin: 40px auto 0; padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.12);
    font-size: 12px; color: var(--color-stone); letter-spacing: 1px;
}

/* 首页 Hero 链接 / 通用文字链 */
.hero-link {
    color: var(--color-ink); text-decoration: none; font-size: 13px;
    letter-spacing: 1px; border-bottom: 1px solid var(--color-ink); padding-bottom: 3px;
    transition: var(--transition);
}
.hero-link:hover { color: var(--color-cinnabar); border-color: var(--color-cinnabar); }

/* 购物车角标 */
.cart-badge {
    position: absolute; top: -8px; right: -10px;
    background: var(--color-cinnabar); color: #fff;
    font-size: 10px; min-width: 16px; height: 16px; padding: 0 4px;
    border-radius: 999px; display: none; align-items: center; justify-content: center;
    font-family: var(--sans);
}
.header-actions { position: relative; }

/* ============ 商品卡片（首页 / 选珠页共用） ============ */
.product-card {
    background: var(--color-white);
    border: 1px solid var(--color-soft-gray);
    padding: 18px;
    display: flex; flex-direction: column;
    transition: var(--transition);
}
.product-card:hover { border-color: var(--color-ink); transform: translateY(-5px); }
.product-card-link { text-decoration: none; color: inherit; display: block; }
.product-img {
    width: 100%; height: 250px; margin-bottom: 16px;
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}
.product-emoji { font-size: 72px; transition: transform .5s ease; }
.product-card:hover .product-emoji { transform: scale(1.08); }
.product-wish {
    position: absolute; top: 12px; left: 12px;
    font-size: 11px; color: var(--color-cinnabar);
    border: 1px solid var(--color-cinnabar); padding: 2px 8px; border-radius: 20px;
    background: rgba(255,255,255,0.7);
}
.product-name { font-family: var(--serif); font-size: 16px; margin-bottom: 6px; color: var(--color-ink); }
.product-material { font-size: 12px; color: var(--color-stone); margin-bottom: 10px; }
.product-price { color: var(--color-cinnabar); font-weight: 700; margin-bottom: 14px; font-family: var(--serif); }
/* 卡片操作区：主操作「加入购物车」+ 旁侧「定制咨询」 */
.card-actions {
    display: flex; gap: 10px; align-items: center; margin-top: auto;
}
.card-actions .product-add {
    flex: 1; padding: 11px 12px; width: auto;
    background: var(--color-ink); color: var(--color-white);
    border: 1px solid var(--color-ink); cursor: pointer;
    font-size: 12px; letter-spacing: 2px; transition: var(--transition);
}
.card-actions .product-add:hover { background: var(--color-cinnabar); border-color: var(--color-cinnabar); }
.card-consult {
    flex-shrink: 0; font-size: 12px; color: var(--color-stone);
    text-decoration: none; letter-spacing: 1px; white-space: nowrap;
    border-bottom: 1px solid var(--color-soft-gray); padding-bottom: 2px;
}
.card-consult:hover { color: var(--color-cinnabar); border-color: var(--color-cinnabar); }

/* 石语卡真实商品图（无图回退 emoji） */
.sw-emoji .sw-photo { width: 72px; height: 72px; object-fit: cover; border-radius: 50%; display: inline-block; }

.shop-empty { text-align: center; color: var(--color-stone); padding: 80px 0; font-family: var(--serif); letter-spacing: 2px; }

/* ============ 购物车抽屉 ============ */
.cart-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    opacity: 0; visibility: hidden; transition: opacity .35s ease, visibility .35s;
    z-index: 2000;
}
.cart-overlay.open { opacity: 1; visibility: visible; }
.cart-drawer {
    position: absolute; top: 0; right: 0; height: 100%;
    width: 400px; max-width: 92vw; background: var(--bg-paper);
    display: flex; flex-direction: column;
    transform: translateX(100%); transition: transform .4s cubic-bezier(0.25,1,0.5,1);
    box-shadow: -20px 0 60px rgba(0,0,0,0.15);
}
.cart-overlay.open .cart-drawer { transform: translateX(0); }
.cart-drawer-head {
    display: flex; justify-content: space-between; align-items: center;
    padding: 24px 26px; border-bottom: 1px solid var(--color-soft-gray);
}
.cart-drawer-head span { font-size: 20px; letter-spacing: 3px; }
.cart-close { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--color-ink); }
.cart-drawer-items { flex: 1; overflow-y: auto; padding: 20px 26px; }
.cart-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--color-soft-gray); }
.cart-item-thumb {
    width: 60px; height: 60px; flex-shrink: 0; border-radius: 4px;
    display: flex; align-items: center; justify-content: center; font-size: 30px;
}
.cart-item-info { flex: 1; }
.cart-item-name { font-family: var(--serif); font-size: 14px; margin-bottom: 4px; }
.cart-item-price { font-size: 13px; color: var(--color-cinnabar); margin-bottom: 10px; }
.cart-item-ctrl { display: flex; align-items: center; gap: 10px; }
.qty-btn { width: 26px; height: 26px; border: 1px solid var(--color-soft-gray); background: #fff; cursor: pointer; font-size: 14px; line-height: 1; }
.qty-btn:hover { border-color: var(--color-ink); }
.qty-num { font-size: 13px; min-width: 18px; text-align: center; }
.cart-item-del { margin-left: auto; background: none; border: none; color: var(--color-stone); font-size: 12px; cursor: pointer; text-decoration: underline; }
.cart-item-del:hover { color: var(--color-cinnabar); }
.cart-empty { text-align: center; padding: 70px 20px; color: var(--color-stone); }
.cart-empty-icon { font-size: 48px; opacity: .4; margin-bottom: 16px; }
.cart-empty p { font-family: var(--serif); font-size: 16px; letter-spacing: 2px; }
.cart-empty-sub { font-size: 12px !important; color: var(--color-stone); margin: 8px 0 20px; }
.cart-drawer-foot { padding: 22px 26px; border-top: 1px solid var(--color-soft-gray); background: #fff; }
.cart-subtotal { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; font-size: 14px; }
.cart-subtotal .serif { font-size: 22px; color: var(--color-cinnabar); }
.cart-checkout { display: block; text-align: center; padding: 14px; }
.cart-note { font-size: 11px; color: var(--color-stone); margin-top: 14px; line-height: 1.7; }
/* 购物车抽屉底部「小店直达」旁侧入口 */
.cart-store-link {
    display: none; text-align: center; margin-top: 12px; padding: 10px;
    font-size: 13px; letter-spacing: 1px; text-decoration: none;
    color: var(--color-cinnabar); border: 1px solid var(--color-cinnabar); transition: var(--transition);
}
.cart-store-link:hover { background: var(--color-cinnabar); color: #fff; }
/* 售罄状态：按钮置灰不可点（商品卡 / 详情页共用） */
.btn-primary[disabled], .product-add[disabled], .btn-add-cart[disabled] {
    opacity: .45; cursor: not-allowed; pointer-events: none;
    background: var(--color-stone) !important; color: #fff !important;
}
.btn-buy-now.is-disabled {
    opacity: .45; cursor: not-allowed; pointer-events: none; border-style: dashed;
}
/* 购物车抽屉底部「清空购物车」（已下架商品的失效条目只能靠它清理） */
.cart-clear {
    display: block; width: 100%; text-align: center; margin-top: 10px; padding: 9px;
    background: transparent; border: none; cursor: pointer;
    font-family: var(--sans); font-size: 12px; letter-spacing: 1px;
    color: var(--color-stone); text-decoration: underline; text-underline-offset: 3px;
    transition: var(--transition);
}
.cart-clear:hover { color: var(--color-cinnabar); }

/* ============ 详情页购买区（直接购买 + 定制咨询旁侧） ============ */
.btn-buy-now {
    flex: 1; height: 50px; display: flex; align-items: center; justify-content: center;
    background: transparent; color: var(--color-ink);
    border: 1px solid var(--color-ink); text-decoration: none;
    font-size: 14px; letter-spacing: 3px; transition: var(--transition); cursor: pointer;
}
.btn-buy-now:hover { background: var(--color-ink); color: #fff; }
.consult-row { display: flex; gap: 14px; align-items: center; margin-top: 16px; }
.consult-row .btn-weixin { flex: 1; height: 46px; }
.detail-consult {
    flex-shrink: 0; font-size: 13px; color: var(--color-stone);
    text-decoration: none; white-space: nowrap;
    border-bottom: 1px solid var(--color-soft-gray); padding-bottom: 2px;
}
.detail-consult:hover { color: var(--color-cinnabar); border-color: var(--color-cinnabar); }
@media (max-width: 560px) {
    .buy-section { flex-wrap: wrap; }
    .buy-section .btn-add-cart, .buy-section .btn-buy-now { flex: 1 1 100%; }
}

/* ============ Toast ============ */
.nian-toast {
    position: fixed; bottom: 36px; left: 50%; transform: translateX(-50%) translateY(20px);
    background: var(--color-ink); color: #fff; padding: 13px 28px; font-size: 13px;
    letter-spacing: 1px; border-radius: 2px; opacity: 0; pointer-events: none;
    transition: opacity .3s, transform .3s; z-index: 3000;
}
.nian-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============ 详情页「加微信」按钮（平台托管） ============ */
.btn-weixin {
    display: inline-block; text-align: center; padding: 15px 30px;
    border: 1px solid var(--color-ink); background: #fff; color: var(--color-ink);
    font-family: var(--sans); font-size: 14px; letter-spacing: 2px; cursor: pointer;
    transition: var(--transition);
}
.btn-weixin:hover { border-color: var(--color-cinnabar); color: var(--color-cinnabar); }

/* ============ 定制咨询页 · 小店直达入口 ============ */
.co-store { grid-column: 1 / -1; margin-top: 8px; }
.co-store-link {
    display: block; text-align: center; text-decoration: none;
    padding: 16px; background: var(--color-cinnabar); color: #fff;
    letter-spacing: 2px; font-size: 14px; transition: var(--transition);
}
.co-store-link:hover { opacity: .9; }

/* ============ 后台 · 平台托管说明横幅 ============ */
.admin-notice {
    background: #fff7f0; border: 1px solid #f0d8c0; color: #8a5a2b;
    padding: 14px 18px; font-size: 13px; line-height: 1.8; margin-bottom: 20px; border-radius: 3px;
}
.admin-notice b { color: var(--color-cinnabar); }
.admin-notice a { color: var(--color-cinnabar); margin-left: 6px; }

/* ============ 商品图 / 详情图（真实图启用时；emoji 占位时回退） ============ */
.product-photo { width: 100%; height: 100%; object-fit: cover; display: block; }
.detail-photo { width: 100%; height: 100%; object-fit: contain; }

/* ============ 选珠分页 ============ */
.shop-pager { display: flex; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.shop-pager .pg {
    min-width: 38px; height: 38px; padding: 0 10px;
    border: 1px solid var(--color-soft-gray); background: #fff; cursor: pointer;
    font-family: var(--sans); font-size: 13px; color: var(--color-ink); border-radius: 2px;
    transition: var(--transition);
}
.shop-pager .pg:hover:not(:disabled) { border-color: var(--color-ink); }
.shop-pager .pg.active { background: var(--color-ink); color: #fff; border-color: var(--color-ink); }
.shop-pager .pg:disabled { opacity: .4; cursor: not-allowed; }

/* ============ 手机端响应式压实（店长实测反馈） ============ */
@media (max-width: 760px) {
    /* 页脚 4 列在小屏挤压 → 2 列；导航按钮加大可点区域 */
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .header-btn { min-width: 40px; min-height: 40px; }
}
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; gap: 22px; }
    .main-header { padding: 14px 16px; flex-wrap: wrap; gap: 8px; }
    .nav-menu { gap: 14px; flex-wrap: wrap; }
    .nav-menu a { font-size: 12px; letter-spacing: 0.5px; }
}
@media (max-width: 420px) {
    /* 极窄屏：卡片收紧、操作区竖排，避免文字拥挤 / 按钮过小 */
    .product-card { padding: 12px; }
    .product-img { height: 180px; }
    .product-name { font-size: 14px; }
    .card-actions { flex-direction: column; align-items: stretch; gap: 8px; }
    .card-actions .product-add { width: 100%; }
    .card-consult { text-align: center; padding: 8px 0 2px; }
}

/* ============================================================
   综合评估报告修复（2026-10-15）
   —— 无障碍 / 响应式 / 打印 / 汉堡菜单 / 焦点环
   ============================================================ */

/* 声明配色方案，避免浏览器在深色模式自动反色（2.4） */
:root { color-scheme: light; }

/* 跳转主内容链接：默认移出视口，聚焦时可见（1.3 skip-link） */
.skip-link {
    position: absolute; left: 16px; top: -60px;
    background: var(--color-ink); color: #fff;
    padding: 10px 18px; border-radius: 2px; z-index: 4000;
    text-decoration: none; font-size: 13px; letter-spacing: 1px;
    transition: top .25s ease;
}
.skip-link:focus { top: 16px; }

/* 屏幕阅读器专属文本（1.5 label 兜底） */
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* 焦点可见性：键盘用户能看见当前焦点（2.9 / a11y） */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
    outline: 2px solid var(--color-cinnabar);
    outline-offset: 2px;
    border-radius: 2px;
}
/* 订阅输入框：保留焦点环（原先 outline:none 已移除） */
.subscribe input:focus-visible { outline: 2px solid var(--color-cinnabar); outline-offset: 2px; }

/* 尊重「减少动态」偏好：关闭无限浮动等动画（2.3） */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .hero-stone-img, .hero-stone { animation: none !important; }
}

/* 打印样式：仅保留品牌文字，隐藏导航/订阅/动画（2.10） */
@media print {
    .main-header, .footer, .subscribe, .cart-overlay, .nav-toggle,
    .hero-visual, .ritual-visual, .sw-grid, .skip-link { display: none !important; }
    body { background: #fff; color: #000; }
    .soul, .subscribe { background: #fff !important; color: #000 !important; }
    a { color: #000; text-decoration: none; }
}

/* 汉堡菜单（2.6 / 13）：≤760px 折叠导航 */
.nav-toggle {
    display: none;
    background: none; border: none; cursor: pointer;
    font-size: 22px; line-height: 1; color: var(--color-ink);
    padding: 6px 10px; min-width: 44px; min-height: 44px;
}
@media (max-width: 760px) {
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .nav-menu {
        position: absolute; top: 100%; right: 0;
        flex-direction: column; gap: 0;
        background: #fff; border: 1px solid var(--color-soft-gray);
        box-shadow: 0 16px 40px rgba(0,0,0,0.12);
        min-width: 180px; padding: 8px 0;
        opacity: 0; visibility: hidden; transform: translateY(-8px);
        transition: opacity .25s ease, transform .25s ease, visibility .25s;
    }
    .nav-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
    .nav-menu li { width: 100%; }
    .nav-menu a {
        display: block; padding: 14px 22px; font-size: 14px;
        border-bottom: 1px solid var(--color-soft-gray);
    }
    .nav-menu li:last-child a { border-bottom: none; }
    .main-header { position: sticky; }
}
/* 触控目标最小 44×44px（13） */
.header-btn, .nav-toggle, .hero-link, .card-consult, .product-add { min-height: 44px; }

/* 大屏：限制内容最大宽度，避免超宽拉伸（2.2） */
@media (min-width: 1600px) {
    .hero, .section, .stonewords, .soul, .subscribe { max-width: 1500px; margin-left: auto; margin-right: auto; }
}

/* Cookie 同意横幅（10 · GDPR/PIPL） */
#nian-cookie {
    position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 3500;
    background: var(--color-ink); color: #fff; padding: 16px 20px;
    display: flex; gap: 16px; align-items: center; justify-content: space-between;
    flex-wrap: wrap; border-radius: 4px; box-shadow: 0 12px 40px rgba(0,0,0,0.25);
    font-size: 13px; line-height: 1.7;
}
.nian-cookie-txt { flex: 1; min-width: 220px; color: #e8e8e8; }
.nian-cookie-btns { display: flex; gap: 10px; }
.nian-cookie-btn {
    padding: 9px 18px; border: 1px solid rgba(255,255,255,0.4); background: transparent;
    color: #fff; cursor: pointer; border-radius: 2px; font-size: 13px; letter-spacing: 1px;
}
.nian-cookie-ok { background: var(--color-cinnabar); border-color: var(--color-cinnabar); }
.nian-cookie-ok:hover { opacity: .9; }
@media (max-width: 480px) {
    #nian-cookie { flex-direction: column; align-items: stretch; text-align: left; }
    .nian-cookie-btns { justify-content: flex-end; }
}

/* 结账信任条（8 信任标识 / 10 鉴定证书，转化关键） */
.co-trust { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 4px; }
.co-trust-item {
    flex: 1 1 140px; background: #fff; border: 1px solid var(--color-soft-gray);
    border-radius: 3px; padding: 12px 14px; font-size: 13px; color: var(--color-ink);
    display: flex; align-items: center; gap: 8px;
}

/* 首页用户评价区（8 social proof，先用示例占位） */
.reviews { background: var(--bg-paper); padding: 100px 8%; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: 1400px; margin: 0 auto; }
.review-card { background: #fff; border: 1px solid var(--color-soft-gray); padding: 32px; border-radius: 3px; }
.review-card .rc-stars { color: var(--color-cinnabar); letter-spacing: 2px; margin-bottom: 14px; }
.review-card .rc-text { color: #555; line-height: 2; font-size: 14px; }
.review-card .rc-by { margin-top: 16px; font-size: 13px; color: var(--color-stone); }
.review-card.is-sample { border-style: dashed; }
@media (max-width: 980px) { .review-grid { grid-template-columns: 1fr; } }

/* 法律页排版 */
.legal-page { max-width: 900px; }
.legal-page h3 { font-family: var(--serif); font-size: 20px; margin: 32px 0 12px; letter-spacing: 1px; }
.legal-page p, .legal-page li { color: #555; line-height: 2; font-size: 15px; }
.legal-page ul { padding-left: 22px; margin: 8px 0 16px; }
.legal-page li { margin-bottom: 8px; }
.legal-note { color: var(--color-cinnabar); font-size: 13px; margin-top: 24px; border-left: 3px solid var(--color-cinnabar); padding-left: 14px; }

/* 购物车角标：带 aria-live 时确保可读（1.6） */
.cart-badge[aria-live] { display: none; }
.cart-badge[aria-live]:not(:empty),
.cart-badge.show { display: inline-flex; }

/* ============================================================
   首页区块样式（原 index.html 内联 <style> 外移，2.1 消除冲突）
   死代码 .hero-stone 已删除（2.8）
   ============================================================ */
.hero {
    position: relative;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 40px;
    padding: 80px 8% 100px;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 86svh;
}
.hero-text .hero-eyebrow {
    font-size: 13px; letter-spacing: 6px; color: var(--color-cinnabar);
    margin-bottom: 28px; text-transform: uppercase;
}
.hero-text h1 {
    font-size: 68px; line-height: 1.18; margin-bottom: 28px; letter-spacing: 4px;
}
.hero-text h1 .accent { color: var(--color-cinnabar); }
.hero-text p.lead {
    font-size: 18px; color: #555; max-width: 460px; margin-bottom: 40px; line-height: 2;
}
.hero-actions { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.hero-meta { margin-top: 48px; display: flex; gap: 40px; flex-wrap: wrap; }
.hero-meta div span { display: block; }
.hero-meta .num { font-family: var(--serif); font-size: 26px; color: var(--color-ink); }
.hero-meta .lbl { font-size: 12px; color: var(--color-stone); letter-spacing: 2px; }

.hero-visual {
    position: relative; height: 70svh; min-height: 460px;
    background: radial-gradient(circle at 40% 30%, #fff 0%, var(--color-soft-gray) 90%);
    display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hero-stone-img {
    width: 340px; height: 340px; max-width: 80vw; object-fit: cover; border-radius: 50%;
    box-shadow: 24px 32px 70px rgba(0,0,0,0.20);
    animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-16px)} }
.hero-visual .ring {
    position: absolute; border: 1px solid var(--color-soft-gray); border-radius: 50%;
}
.hero-visual .ring.r1 { width: 360px; height: 360px; }
.hero-visual .ring.r2 { width: 480px; height: 480px; }
.hero-visual .ring.r3 { width: 600px; height: 600px; }

.section { padding: 100px 8%; max-width: 1400px; margin: 0 auto; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 50px; gap: 20px; flex-wrap: wrap; }
.section-head h2 { font-size: 32px; letter-spacing: 4px; }
.section-head .sub { color: var(--color-stone); font-size: 14px; }
.section-head a { font-size: 13px; color: var(--color-cinnabar); text-decoration: none; letter-spacing: 1px; }

.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }

.stonewords { background: var(--bg-paper); padding: 100px 8%; }
.sw-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: 1400px; margin: 0 auto; }
.sw-card {
    background: #fff; border: 1px solid var(--color-soft-gray); padding: 40px 32px;
    position: relative; transition: var(--transition);
}
.sw-card:hover { border-color: var(--color-ink); transform: translateY(-6px); }
.sw-card .sw-emoji { font-size: 42px; margin-bottom: 20px; }
.sw-card .sw-name { font-family: var(--serif); font-size: 18px; margin-bottom: 16px; }
.sw-card .sw-text { color: #666; line-height: 2; font-size: 14px; }
.sw-card .sw-mark { position: absolute; top: 28px; right: 28px; font-family: var(--serif); color: var(--color-cinnabar); font-size: 13px; letter-spacing: 2px; }

.ritual { display: grid; grid-template-columns: 1fr 1fr; gap: 0; max-width: 1400px; margin: 0 auto; }
.ritual-visual { background: var(--color-soft-gray); min-height: 480px; display: flex; align-items: center; justify-content: center; }
.ritual-visual img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ritual-text { padding: 90px 8%; display: flex; flex-direction: column; justify-content: center; }
.ritual-text h2 { font-size: 30px; margin-bottom: 24px; letter-spacing: 3px; }
.ritual-text p { color: #666; line-height: 2.1; margin-bottom: 24px; }
.ritual-card-quote {
    border-left: 3px solid var(--color-cinnabar); padding: 16px 22px; background: #fff;
    font-family: var(--serif); color: var(--color-ink); line-height: 1.9; font-size: 15px;
}

.subscribe { background: var(--color-ink); color: #fff; padding: 90px 8%; text-align: center; }
.subscribe h2 { font-size: 30px; margin-bottom: 16px; letter-spacing: 3px; }
.subscribe p { color: #cfcfcf; margin-bottom: 36px; }
.subscribe form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; flex-wrap: wrap; }
.subscribe input { flex: 1; min-width: 200px; padding: 15px 18px; border: 1px solid #555; background: transparent; color: #fff; font-family: var(--sans); }
.subscribe input::placeholder { color: #888; }
.subscribe button { padding: 15px 30px; background: var(--color-cinnabar); color: #fff; border: none; cursor: pointer; letter-spacing: 2px; font-size: 13px; min-height: 44px; }

/* ============================================================
   手机端体验深度优化 (Mobile UX Optimization)
   —— Hero 视觉重心 + 标题动态缩放 + 按钮/ Meta 重构
   注：原稿 @//media 笔误已修正为 @media
   ============================================================ */
@media (max-width: 980px) {
    .hero {
        grid-template-columns: 1fr; /* 强制单列 */
        text-align: center;
        padding: 60px 6% 60px; /* 减少上下边距，增加呼吸感 */
        gap: 30px;
    }
    /* 1. 视觉重心调整：让图片在手机端先出，与文字交错 */
    .hero-visual {
        order: -1; /* 将图片移到文字上方，用户第一眼看到产品 */
        height: 45vh; /* 降低高度，避免占用过多首屏空间 */
        min-height: 300px;
    }
    /* 2. 标题动态缩放：防止尴尬断行 */
    .hero-text h1 {
        font-size: 42px; /* 从 68px 降至 42px */
        line-height: 1.2;
        letter-spacing: 2px;
        margin-bottom: 20px;
    }
    .hero-text p.lead {
        font-size: 16px;
        margin: 0 auto 30px;
        line-height: 1.8;
    }
    /* 3. 按钮组优化：手机端主按钮撑满或居中 */
    .hero-actions {
        justify-content: center;
        gap: 12px;
    }
    .btn-primary {
        width: 100%; /* 手机端主按钮撑满，方便拇指点击 */
        max-width: 280px;
    }
    /* 4. Meta 信息重构：从横排改为灵活的网格 */
    .hero-meta {
        margin-top: 40px;
        display: grid;
        grid-template-columns: repeat(3, 1fr); /* 保持三列但均匀分布 */
        gap: 10px;
        justify-items: center;
    }
    .hero-meta .num {
        font-size: 20px; /* 缩小字号 */
    }
    .hero-meta .lbl {
        font-size: 11px;
        letter-spacing: 1px;
    }

    /* —— 其余区块：单列 / 双列适配（保留原有响应式，避免回归） —— */
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .sw-grid { grid-template-columns: 1fr; }
    .ritual { grid-template-columns: 1fr; }
    .ritual-visual { min-height: 280px; }
}
@media (max-width: 600px) {
    /* 极窄屏优化 (iPhone SE / Android 小屏) */
    .hero-text h1 {
        font-size: 32px; /* 进一步缩小标题 */
    }
    .hero-visual {
        height: 35vh;
    }
    .hero-stone-img {
        width: 260px; /* 缩小图片尺寸，避免撑破屏幕 */
        height: 260px;
    }
    /* Meta 信息在极小屏下改为纵向排列 */
    .hero-meta {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
    }
    .hero-meta div {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    /* 调整 Trust Bar 的间距 */
    .trust-bar {
        gap: 12px;
        font-size: 12px;
        padding: 15px 5%;
    }
    .trust-bar span {
        width: 100%;
        text-align: center;
    }

    /* —— 其余区块：600 断点适配（保留原有响应式，避免回归） —— */
    .product-grid { grid-template-columns: 1fr; }
    .section { padding: 64px 6%; }
    .stonewords, .soul, .subscribe { padding: 64px 6%; }
    .subscribe form { flex-direction: column; }
    .subscribe input, .subscribe button { width: 100%; }
}

/* ============================================================
   v2 修复方案追加（念石-NianStone-修复方案-v2.md）
   —— 内联 style 转 class / footer 法律·社交链接 / 微信二维码弹窗
   说明：skip-link / reduced-motion / color-scheme / reviews /
   汉堡菜单(.nav-menu.open) 已在上一轮整改中存在，此处不再重复。
   ============================================================ */

/* [2.7] 精选商品空态跨整行（原内联 grid-column:1/-1 收回） */
.shop-empty { grid-column: 1 / -1; }

/* [2.7] 石语 / 用户心声 区块标题限宽居中（原内联 style 收回） */
.sw-head {
    max-width: 1400px;
    margin: 0 auto 50px;
}

/* [2.7] 仪式区标签（原内联 style 收回） */
.ritual-tag {
    color: var(--color-cinnabar);
    letter-spacing: 8px;
    font-size: 12px;
    margin-bottom: 20px;
}

/* [2.7] 无 JS 提示（原内联 style 收回） */
.noscript-msg {
    text-align: center;
    padding: 20px;
    color: var(--color-cinnabar);
    font-size: 14px;
}

/* [新-7] footer 法律 / 社交链接 */
.footer-legal,
.footer-social {
    display: flex;
    gap: 10px;
    justify-content: center;
    align-items: center;
    padding: 16px 8%;
    font-size: 13px;
    color: var(--color-stone, #999);
}
.footer-legal a,
.footer-social a {
    color: inherit;
    text-decoration: none;
}
.footer-legal a:hover,
.footer-social a:hover {
    color: var(--color-white);
}
.footer-wx {
    background: none;
    border: none;
    font: inherit;
    color: inherit;
    cursor: pointer;
    padding: 0;
}

/* 微信二维码弹窗 */
.wx-qr-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.wx-qr-box {
    background: #fff;
    padding: 32px;
    border-radius: 8px;
    text-align: center;
    position: relative;
}
.wx-qr-box img {
    width: 200px;
    height: 200px;
}
.wx-qr-box p {
    margin: 12px 0 0;
    font-size: 14px;
    color: #666;
}
.wx-qr-close {
    position: absolute;
    top: 8px;
    right: 12px;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: #999;
    line-height: 1;
}
.wx-qr-close:hover {
    color: #333;
}

/* ============================================================
   方案 C：国内化模块增强样式（按心念选石 / 匠人 / 信任条 / 评价头像）
   注：原稿 .shipping-info 的颜色值 #9//9 为笔误，已修正为 #999
   ============================================================ */

/* Trust Bar - 信任横条 */
.trust-bar {
    display: flex;
    justify-content: center;
    gap: 32px;
    padding: 20px 8%;
    background: #f9f8f6;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    font-size: 13px;
    color: #888;
    flex-wrap: wrap;
    text-align: center;
}
.trust-bar span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ============================================================
   高级感视觉升级：按心念选石（图标 → 产品图 / 方块 → 呼吸感卡片）
   ============================================================ */

/* 头部文字对齐优化（仅作用于带 .head-text 的区块头） */
.head-text h2 {
    font-family: var(--serif);
    font-size: 28px;
    letter-spacing: 3px;
    margin-bottom: 8px;
}
.view-all {
    font-size: 13px;
    color: var(--color-cinnabar);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border 0.3s;
}
.view-all:hover {
    border-bottom: 1px solid var(--color-cinnabar);
}

/* 意图卡片重构 */
.intention-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    padding-bottom: 50px;
}

.intention-card {
    background: #fff;
    text-decoration: none;
    color: inherit;
    display: block;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    border-radius: 2px; /* 极小圆角，更具建筑感 */
}

.intent-img-wrap {
    width: 100%;
    aspect-ratio: 1 / 1; /* 强制正方形 */
    overflow: hidden;
    background: #f9f9f9;
}

.intent-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.intent-content {
    padding: 24px 15px;
    text-align: center;
}

.intent-content h3 {
    font-family: var(--serif);
    font-size: 22px;
    margin-bottom: 12px;
    letter-spacing: 4px;
    color: var(--color-ink);
}

.intent-content p {
    font-size: 14px;
    color: #888;
    line-height: 1.8;
    margin-bottom: 20px;
}

.intent-price {
    display: block;
    font-size: 15px;
    color: var(--color-cinnabar);
    font-weight: 600;
    letter-spacing: 1px;
}

/* 滚动渐现（site.js 注入 .reveal-init / .in-view；无 JS 时正常显示）
   注意顺序：reveal-init → in-view → hover，保证悬停上浮不被覆盖 */
.intention-card.reveal-init { opacity: 0; transform: translateY(24px); }
.intention-card.in-view { opacity: 1; transform: none; }
.intention-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.06);
}
.intention-card:hover .intent-img-wrap img {
    transform: scale(1.05);
}

/* Artisan - 匠人模块 */
.artisan {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    max-width: 1400px;
    margin: 0 auto;
    background: #fff;
}
.artisan-visual {
    background: #f0f0f0;
    overflow: hidden;
}
.artisan-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.artisan-visual:hover img {
    transform: scale(1.05);
}
.artisan-text {
    padding: 80px 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.artisan-text h2 {
    font-family: var(--serif);
    font-size: 32px;
    margin-bottom: 24px;
    letter-spacing: 2px;
}
.artisan-text p {
    font-size: 16px;
    line-height: 2;
    color: #555;
    margin-bottom: 24px;
}
.artisan-credit {
    font-family: var(--serif);
    font-size: 15px;
    color: var(--color-cinnabar, #c0392b);
    margin-top: 20px;
    letter-spacing: 1px;
}

/* Shipping Info - 物流详情 */
.shipping-info {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    font-size: 13px;
    color: #999;
    line-height: 1.8;
}

/* Review Cards - 真实评价增强 */
.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
}
.review-card {
    background: #fcfcfc;
    border: 1px solid #eee;
    padding: 32px;
    border-radius: 4px;
}
.rc-by {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    font-size: 13px;
    color: #888;
}
.rc-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

/* 移动端适配增强 */
@media (max-width: 980px) {
    .intention-grid { grid-template-columns: repeat(2, 1fr); }
    .artisan { grid-template-columns: 1fr; }
    .artisan-visual { height: 400px; }
    .review-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .intention-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   手机端细节打磨：按心念选石（高级感 · 呼吸感）
   ============================================================ */
@media (max-width: 600px) {
    .intention-grid {
        grid-template-columns: 1fr; /* 手机端单列，让图片足够大，产生视觉冲击力 */
        gap: 40px;
        padding-bottom: 30px;
    }

    .intention-card {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03); /* 极淡的阴影，增加轻盈感 */
    }

    .intent-content {
        padding: 26px 16px 30px;
    }

    .head-text h2 {
        font-size: 24px;
        letter-spacing: 2px;
    }
}