/* ===== ZHONGTAI Jewelry · Common Layer · Design tokens / typography / layout / components =====
   严格执行 _design.md（★Plan A · Espresso & Champagne）。颜色只用 --c-*，板块专属样式放各 block。 */
:root{
  /* ★ Plan A · 客户权威三主色 + 配平 */
  --c-bg:#FBF6ED;          /* 暖象牙全站基底 */
  --c-surface:#C4AD8B;     /* 次级面 / 香槟沙分区 */
  --c-ink:#38302E;         /* espresso 主文字 / 深色分区底 */
  --c-muted:#6E635C;       /* 暖褐灰次要文字 */
  --c-accent:#CF4520;      /* 陶土红 · CTA/链接/点睛（面积<10%） */
  --c-accent-2:#A8895A;    /* 深金 · 标签/描边点缀 */
  --c-line:#E6D9C6;        /* 暖色 1px 分隔 */
  /* 分区专用色（客户明示） */
  --c-dark:#38302E;        /* 深沉浸分区底 */
  --c-card-on-dark:#FFF9F0;/* 深底之上的暖白卡片 */
  --c-sand:#C4AD8B;        /* 香槟沙分区 */
  --c-paper:#FBF6ED;       /* 象牙浅分区 */
  --c-on-dark:#F3EADB;     /* 深底上的文字 */
  --c-on-dark-muted:#B7A78F;
  /* 版心 & 节奏 */
  --max:1600px;
  --section-pad:clamp(56px,7vw,96px);
  /* 间距刻度 4px base */
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-6:24px;
  --sp-8:32px;--sp-12:48px;--sp-16:64px;--sp-20:80px;--sp-24:96px;
  /* 图片比例 */
  --ratio-hero:1920/780;--ratio-product:800/700;--ratio-service:800/550;
  --ratio-case:800/600;--ratio-solution:800/600;--ratio-blog:800/600;--img-ratio:4/3;
  /* 阴影（克制：浅区描边，深底卡片极柔阴影） */
  --shadow-card:0 20px 50px rgba(56,48,46,.28);
  --shadow-hover:0 28px 64px rgba(56,48,46,.36);
  /* 圆角 */
  --r-card:10px;--r-btn:999px;--r-input:8px;
  /* 字体栈 */
  --font-serif:"Bodoni Moda",Georgia,"Times New Roman",serif;
  --font-sans:"Montserrat",system-ui,-apple-system,"Segoe UI","PingFang SC",sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
  --topbar-h:44px;--nav-h:84px;
}
*{box-sizing:border-box}
/* ===== 自托管字体（OFL 开源免商用；woff2 放 assets/fonts/，构建时置入） ===== */
@font-face{font-family:"Bodoni Moda";src:url("../fonts/bodoni-moda-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Bodoni Moda";src:url("../fonts/bodoni-moda-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Montserrat";src:url("../fonts/montserrat-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Montserrat";src:url("../fonts/montserrat-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}

/* ===== 基础排版 ===== */
body{margin:0;font-family:var(--font-sans);font-weight:400;font-size:16px;line-height:1.7;color:var(--c-ink);background:var(--c-bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-accent);text-decoration:none;transition:color .18s var(--ease)}
h1,h2,h3{font-family:var(--font-serif);color:var(--c-ink);margin:.3em 0;font-weight:600}
h4,h5,h6{font-family:var(--font-sans);color:var(--c-ink);margin:.4em 0;font-weight:600}
p{margin:0 0 1em}
/* 标题层级（_design.md §3 · major-third 1.25） */
.h-hero{font-family:var(--font-serif);font-weight:700;font-size:clamp(44px,6vw,88px);line-height:1.06;letter-spacing:-.01em}
.h2,.section-title{font-family:var(--font-serif);font-weight:600;font-size:clamp(32px,4vw,48px);line-height:1.15;letter-spacing:-.005em;color:var(--c-ink);margin:.2em 0}
.h3{font-family:var(--font-serif);font-weight:500;font-size:28px;line-height:1.25}
.h4{font-family:var(--font-sans);font-weight:600;font-size:20px;line-height:1.35}
.stat-num{font-family:var(--font-serif);font-weight:600;font-size:clamp(40px,5vw,64px);line-height:1;letter-spacing:-.01em}
.section-sub{font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--c-muted);max-width:680px}
.small{font-size:14px;line-height:1.65;color:var(--c-muted)}
/* Eyebrow / 眉标（大写细字，用 span/p 不用 h*） */
.section-label,.eyebrow{display:inline-block;font-family:var(--font-sans);font-size:12px;font-weight:600;letter-spacing:.16em;line-height:1.4;text-transform:uppercase;color:var(--c-accent)}

/* ===== 图片比例容器 ===== */
.media{position:relative;width:100%;aspect-ratio:var(--img-ratio);overflow:hidden;background:var(--c-line)}
.media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.media.r-product{aspect-ratio:var(--ratio-product)}
.media.r-service{aspect-ratio:var(--ratio-service)}
.media.r-case{aspect-ratio:var(--ratio-case)}
.media.r-solution{aspect-ratio:var(--ratio-solution)}
.media.r-blog{aspect-ratio:var(--ratio-blog)}
.media.r-about{aspect-ratio:auto}
.media.r-about img{position:static;height:auto;width:100%}
.media.is-contain img{object-fit:contain}

/* ===== 版心 / 板块节奏 ===== */
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 40px}
.section{padding:var(--section-pad) 0;position:relative}
.section.tight{padding:calc(var(--section-pad) * .55) 0}
.section.alt{background:var(--c-surface)}
.section--paper{background:var(--c-paper)}
.section--sand{background:var(--c-sand)}
.section--dark{background:var(--c-dark);color:var(--c-on-dark)}
/* 深色分区：丝滑波浪光晕（客户明示，禁生硬渐变堆砌） */
.section--dark::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(120% 90% at 15% 0%,rgba(196,173,139,.16),transparent 55%),radial-gradient(90% 80% at 90% 100%,rgba(207,69,32,.10),transparent 60%)}
.section--dark>*{position:relative;z-index:1}
.section--dark .section-title,.section--dark h1,.section--dark h2,.section--dark h3,.section--dark .h4{color:var(--c-on-dark)}
.section--dark .section-sub,.section--dark .small{color:var(--c-on-dark-muted)}
.section-head{max-width:820px;margin:0 0 var(--sp-12)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head .section-title{margin-top:.15em}
.full-bleed{width:100vw;margin-left:calc(50% - 50vw)}   /* hero/手风琴/时间轴满幅突破版心 */

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-sans);font-weight:600;font-size:15px;line-height:1;padding:15px 30px;border-radius:var(--r-btn);background:var(--c-accent);color:#fff;border:1px solid var(--c-accent);cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.btn:hover{background:#b53a17;border-color:#b53a17;color:#fff;transform:translateY(-2px)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-sans);font-weight:600;font-size:15px;padding:14px 30px;border-radius:var(--r-btn);background:transparent;color:var(--c-ink);border:1px solid var(--c-ink);transition:all .2s var(--ease)}
.btn-ghost:hover{background:var(--c-ink);color:#fff}
/* CTA 胶囊 + 白描边（Get Quote）：深底透明→hover 反相 */
.btn-cta{display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-sans);font-weight:600;font-size:14px;letter-spacing:.02em;padding:12px 26px;border-radius:var(--r-btn);background:transparent;color:#fff;border:1px solid rgba(255,255,255,.75);transition:all .22s var(--ease);white-space:nowrap}
.btn-cta:hover{background:#fff;color:var(--c-ink);border-color:#fff}
.site-header.scrolled .btn-cta{color:#fff;border-color:rgba(255,255,255,.55)}
.site-header.scrolled .btn-cta:hover{background:var(--c-accent);border-color:var(--c-accent)}

/* ===== 签名链接：细圆环 + 延伸 hairline + ↗（记忆点·仅 Why/About 用） ===== */
.link-ring{display:inline-flex;align-items:center;gap:0;font-family:var(--font-sans);font-weight:600;font-size:14px;letter-spacing:.04em;color:var(--c-ink);text-transform:uppercase}
.link-ring .lr-ring{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border:1px solid var(--c-ink);border-radius:var(--r-btn);transition:all .25s var(--ease)}
.link-ring .lr-line{width:44px;height:1px;background:var(--c-ink);position:relative;transition:width .25s var(--ease)}
.link-ring .lr-line::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid var(--c-ink);border-right:1px solid var(--c-ink);transform:rotate(45deg)}
.link-ring:hover .lr-ring{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.link-ring:hover .lr-line{width:60px}
.section--dark .link-ring{color:var(--c-on-dark)}
.section--dark .link-ring .lr-ring{border-color:rgba(243,234,219,.6)}
.section--dark .link-ring .lr-line,.section--dark .link-ring .lr-line::after{background:var(--c-on-dark);border-color:var(--c-on-dark)}

/* ===== 滚动入场动画（降级安全，无 JS 照常可见） ===== */
.has-js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.has-js .reveal.visible{opacity:1;transform:none}

/* ===== 通用「中心放大」轮播工具类 ===== */
.center-swiper{padding:10px 0 44px}
.center-swiper .swiper-wrapper{align-items:center}
.center-swiper .swiper-slide{height:auto;transition:transform .45s var(--ease),opacity .45s var(--ease);transform:scale(.86);opacity:.55}
.center-swiper .swiper-slide-active{transform:scale(1);opacity:1}
.center-swiper .swiper-pagination{text-align:center;margin-top:14px}
.center-swiper .swiper-pagination-bullet{background:var(--c-accent-2)}
.center-swiper .swiper-pagination-bullet-active{background:var(--c-accent)}

/* ===== 视频弹窗 ===== */
.has-video{position:relative}
.play-btn{position:absolute;inset:0;margin:auto;width:72px;height:72px;border:none;border-radius:50%;background:rgba(56,48,46,.55);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s var(--ease),transform .2s var(--ease);z-index:2}
.play-btn:hover{background:var(--c-accent);transform:scale(1.06)}
.play-btn::before{content:"";width:0;height:0;border-style:solid;border-width:11px 0 11px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-modal{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;padding:20px}
.video-modal.open{display:flex}
.video-modal-backdrop{position:absolute;inset:0;background:rgba(30,24,22,.85)}
.video-modal-box{position:relative;width:min(960px,92vw)}
.video-modal-frame{position:relative;width:100%;aspect-ratio:16/9;background:#000;border-radius:12px;overflow:hidden}
.video-modal-frame iframe,.video-modal-frame video{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-modal-close{position:absolute;top:-44px;right:0;width:36px;height:36px;border:none;border-radius:50%;background:#fff;color:#111;font-size:22px;line-height:1;cursor:pointer}

/* ===================================================================
   HEADER — 两层导航：顶栏(#38302E) + 浮层透明主导航（叠加于 hero 大图）
   =================================================================== */
.site-header{position:absolute;top:0;left:0;right:0;z-index:200;color:#fff}
body.admin-bar .site-header{top:32px}
/* --- 顶栏 --- */
.header-topbar{background:var(--c-dark);color:var(--c-on-dark);font-size:13px}
.header-topbar .container{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:var(--topbar-h);padding-top:6px;padding-bottom:6px}
.topbar-contact{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.topbar-contact a{display:inline-flex;align-items:center;gap:7px;color:var(--c-on-dark);font-weight:400;letter-spacing:.01em}
.topbar-contact a:hover{color:#fff}
.topbar-contact svg{width:15px;height:15px;fill:currentColor;flex-shrink:0}
.topbar-social{display:flex;align-items:center;gap:16px}
.topbar-social a{display:inline-flex;color:#fff;opacity:.85;transition:opacity .18s var(--ease),transform .18s var(--ease)}
.topbar-social a:hover{opacity:1;transform:translateY(-1px)}
.topbar-social svg{width:16px;height:16px;fill:#fff}
/* --- 主导航栏 --- */
.nav-bar{display:flex;align-items:center;gap:24px;min-height:var(--nav-h);position:relative}
.site-logo{flex-shrink:0;display:inline-flex;align-items:center}
.site-logo img{max-height:52px;width:auto}
.site-logo span{font-family:var(--font-serif);font-weight:700;font-size:26px;letter-spacing:.06em;color:#fff;text-transform:uppercase}
.site-nav{flex:1;display:flex;justify-content:center}
.header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
/* 主菜单 */
.site-nav ul{list-style:none;display:flex;align-items:center;gap:30px;margin:0;padding:0}
.site-nav .menu-item{position:relative}
.site-nav .menu-item>a{display:inline-flex;align-items:center;gap:5px;font-family:var(--font-sans);font-weight:400;font-size:15px;letter-spacing:.04em;color:#fff;padding:10px 0;position:relative}
/* 下拉箭头：所有顶级菜单项均带箭头（客户明示），及任意含子级的项 */
.site-nav>ul>.menu-item>a::after,.site-nav .menu-item-has-children>a::after,.site-nav .mega-parent>a::after{content:"";width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.8;transition:transform .2s var(--ease)}
.site-nav .menu-item>a::before{content:"";position:absolute;left:0;bottom:2px;width:0;height:1px;background:currentColor;transition:width .25s var(--ease)}
.site-nav .menu-item:hover>a::before{width:100%}
.site-nav .menu-item:hover>a{color:#fff}
/* 下拉（Cases/Blog 等） */
.site-nav .sub-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);min-width:210px;background:var(--c-bg);border:1px solid var(--c-line);border-radius:12px;box-shadow:var(--shadow-card);padding:10px;list-style:none;margin:0;opacity:0;visibility:hidden;transition:opacity .22s var(--ease),transform .22s var(--ease);z-index:210}
.site-nav .menu-item-has-children:hover>.sub-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(6px)}
.site-nav .sub-menu li a{display:block;padding:10px 14px;border-radius:8px;color:var(--c-ink);font-size:14px;font-weight:500}
.site-nav .sub-menu li a:hover{background:var(--c-paper);color:var(--c-accent)}
/* --- Mega menu（Products 多列分类） --- */
.site-nav .mega-parent{position:static}
.mega{position:absolute;top:100%;left:0;right:0;width:100%;background:var(--c-bg);border-top:1px solid var(--c-line);box-shadow:0 22px 44px rgba(56,48,46,.14);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .24s var(--ease),transform .24s var(--ease);z-index:205}
.site-nav .mega-parent:hover .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega-inner{max-width:var(--max);margin:0 auto;padding:34px 40px;display:grid;grid-template-columns:repeat(4,1fr) 1.2fr;gap:32px}
.mega-col h4{font-family:var(--font-sans);font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--c-accent);margin:0 0 14px}
.mega-col ul{list-style:none;margin:0;padding:0;display:block}
.mega-col li{margin:0 0 2px}
.mega-col li a{display:block;padding:7px 0;color:var(--c-ink);font-size:14.5px;font-weight:500;letter-spacing:0}
.mega-col li a:hover{color:var(--c-accent);padding-left:5px}
.mega-feature{background:var(--c-dark);border-radius:12px;overflow:hidden;position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:220px;padding:22px;color:#fff}
.mega-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.mega-feature .mf-body{position:relative;z-index:1}
.mega-feature h4{color:#fff;font-family:var(--font-serif);font-size:20px;font-weight:600;letter-spacing:0;margin:0 0 6px}
.mega-feature p{font-size:13px;color:var(--c-on-dark-muted);margin:0 0 12px}
.mega-empty{color:var(--c-muted);font-size:14px}
/* --- 右上功能区 --- */
.lang-switch{position:relative}
.lang-switch>button{display:inline-flex;align-items:center;gap:5px;background:transparent;border:none;color:#fff;font-family:var(--font-sans);font-size:14px;font-weight:600;letter-spacing:.04em;cursor:pointer;padding:8px 2px}
.lang-switch>button::after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px)}
.lang-menu{position:absolute;top:100%;right:0;min-width:120px;background:var(--c-bg);border:1px solid var(--c-line);border-radius:10px;box-shadow:var(--shadow-card);padding:8px;list-style:none;margin:6px 0 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s var(--ease);z-index:210}
.lang-switch:hover .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu li a{display:block;padding:8px 12px;border-radius:6px;color:var(--c-ink);font-size:14px}
.lang-menu li a:hover{background:var(--c-paper);color:var(--c-accent)}
/* 搜索按钮（透明浮层版，圆形白描边） */
.site-header .header-search-toggle{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.6);background:transparent;color:#fff;display:grid;place-items:center;cursor:pointer;transition:all .2s var(--ease)}
.site-header .header-search-toggle svg{width:18px;height:18px;fill:currentColor}
.site-header .header-search-toggle:hover{background:#fff;color:var(--c-ink);border-color:#fff}
/* 汉堡 */
.hamburger{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.6);border-radius:50%;background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.hamburger span{display:block;width:20px;height:1.6px;background:#fff;transition:all .2s var(--ease)}

/* --- 已滚动 / 内页：实心深底导航 --- */
.site-header.solid,.site-header.scrolled{position:fixed;background:var(--c-dark);box-shadow:0 4px 24px rgba(56,48,46,.22)}
.site-header.scrolled .header-topbar{display:none}
.site-header.scrolled .nav-bar{min-height:70px}
.site-header.scrolled .site-logo img{max-height:44px}

/* --- 搜索下拉面板（承接 initSearch） --- */
.header-search{position:absolute;top:100%;left:0;right:0;width:100%;z-index:60;background:var(--c-bg);color:var(--c-ink);box-shadow:0 12px 28px rgba(56,48,46,.14);max-height:0;overflow:hidden;opacity:0;transition:max-height .26s var(--ease),opacity .26s var(--ease)}
.header-search.open{max-height:160px;opacity:1}
.header-search-form{display:flex;align-items:center;gap:12px;max-width:var(--max);margin:0 auto;padding:18px 40px}
.header-search-input{flex:1;width:100%;padding:13px 16px;border:1px solid var(--c-line);border-radius:var(--r-input);background:var(--c-paper);color:var(--c-ink);font:inherit}
.header-search-input:focus{outline:none;border-color:var(--c-accent);background:var(--c-bg)}
.header-search-submit{flex-shrink:0}

/* --- 移动抽屉 --- */
.mobile-menu{position:fixed;inset:0 0 0 auto;width:min(360px,86vw);background:var(--c-dark);color:#fff;z-index:400;transform:translateX(100%);transition:transform .32s var(--ease);display:flex;flex-direction:column;padding:26px 24px;overflow-y:auto}
.mobile-menu.open{transform:none}
.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.mobile-close{width:40px;height:40px;border:1px solid rgba(255,255,255,.4);border-radius:50%;background:transparent;color:#fff;font-size:24px;line-height:1;cursor:pointer}
.mobile-menu ul{list-style:none;margin:0;padding:0}
.mobile-menu .menu-item>a{display:block;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);color:#fff;font-size:16px;font-weight:500}
.mobile-menu .sub-menu{padding-left:14px}
.mobile-menu .sub-menu a{padding:10px 0;font-size:14px;color:var(--c-on-dark-muted);border-bottom:none}
.mobile-menu .mm-contact{margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-direction:column;gap:10px;font-size:14px}
.mobile-menu .mm-contact a{color:var(--c-on-dark)}
.mobile-menu .btn-cta{margin-top:20px;align-self:flex-start}
.menu-overlay{position:fixed;inset:0;background:rgba(30,24,22,.55);z-index:390;opacity:0;visibility:hidden;transition:opacity .3s var(--ease)}
.menu-overlay.open{opacity:1;visibility:visible}

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer{background:var(--c-dark);color:var(--c-on-dark);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.footer-logo img{max-height:52px;width:auto;margin-bottom:18px}
.footer-logo span{font-family:var(--font-serif);font-weight:700;font-size:24px;letter-spacing:.06em;color:#fff;text-transform:uppercase}
.footer-brand p{font-size:14px;line-height:1.75;color:var(--c-on-dark-muted);max-width:360px;margin:14px 0 0}
.site-footer h4{font-family:var(--font-sans);font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin:0 0 18px}
.footer-contact a,.footer-menu a{display:block;color:var(--c-on-dark);font-size:14px;line-height:1.5;margin-bottom:12px;transition:color .18s var(--ease)}
.footer-contact a:hover,.footer-menu a:hover{color:var(--c-accent)}
.footer-contact svg{width:15px;height:15px;fill:currentColor;vertical-align:-2px;margin-right:8px}
.footer-contact address{font-style:normal;font-size:14px;line-height:1.6;color:var(--c-on-dark-muted);margin-top:4px}
.footer-menu ul{list-style:none;margin:0;padding:0}
.footer-social-row{display:flex;gap:14px;margin-top:18px}
.footer-social-row a{display:inline-flex;width:38px;height:38px;border:1px solid rgba(243,234,219,.28);border-radius:50%;align-items:center;justify-content:center;color:#fff;transition:all .2s var(--ease)}
.footer-social-row a:hover{background:var(--c-accent);border-color:var(--c-accent)}
.footer-social-row svg{width:16px;height:16px;fill:currentColor}
.footer-bottom{border-top:1px solid rgba(243,234,219,.14);padding:22px 0}
.footer-bottom p{margin:0;font-size:13px;color:var(--c-on-dark-muted)}

/* ===== 悬浮联系按钮 ===== */
.floating-contact{position:fixed;right:20px;bottom:24px;z-index:300;display:flex;flex-direction:column;gap:10px}
.floating-contact a{display:flex;align-items:center;justify-content:center;width:50px;height:50px;border-radius:50%;background:var(--c-ink);color:#fff;box-shadow:0 8px 22px rgba(56,48,46,.28);transition:background .2s var(--ease),transform .2s var(--ease)}
.floating-contact a:hover{background:var(--c-accent);transform:translateY(-3px)}
.floating-contact a.fc-wa:hover{background:#25D366}
.floating-contact svg{width:22px;height:22px;fill:#fff}
.floating-contact .fc-top{background:var(--c-accent-2)}

/* ===== 卡片基类 ===== */
/* 浅区卡片：1px --c-line 描边，无阴影（_design.md §6） */
.card{background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 42px rgba(56,48,46,.12)}
.card:hover .media img{transform:scale(1.05)}
.card-body{padding:20px 22px 24px}
.card-label{display:inline-flex;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--c-accent-2);background:rgba(168,137,90,.1);border-radius:999px;padding:4px 12px;margin-bottom:10px}
.card-title{font-family:var(--font-sans);font-weight:600;font-size:17px;line-height:1.35;color:var(--c-ink);margin:0 0 8px}
.card-desc{font-size:14px;color:var(--c-muted);line-height:1.65;margin:0}
/* 深区产品卡（#FFF9F0，柔阴影） */
.card-dark{background:var(--c-card-on-dark);border:none;border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.card-dark:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
/* 产品卡对角胶囊标签 ↔ 圆钮 */
.pc-tag{position:absolute;top:14px;left:14px;display:inline-flex;align-items:center;font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--c-ink);background:rgba(251,246,237,.82);border-radius:999px;padding:5px 13px;backdrop-filter:blur(4px)}
.pc-arrow{position:absolute;bottom:14px;right:14px;width:36px;height:36px;border-radius:50%;background:var(--c-ink);color:#fff;display:flex;align-items:center;justify-content:center;transition:background .2s var(--ease),transform .2s var(--ease)}
.pc-arrow:hover,.card-dark:hover .pc-arrow{background:var(--c-accent);transform:scale(1.08)}
.pc-arrow svg{width:14px;height:14px;fill:currentColor}

/* ===== 表单（CF7 + 静态兜底，同时覆盖） ===== */
.rfq-form,.wpcf7-form{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px;align-items:start}
.rfq-form .form-row,.rfq-form p,.wpcf7-form .form-row,.wpcf7-form p{margin:0}
.rfq-form .form-row:has(textarea),.rfq-form p:has(textarea),.wpcf7-form .form-row:has(textarea),.wpcf7-form p:has(textarea){grid-column:1/-1}
.rfq-form p:has(input[type=submit]),.rfq-form p:has(.wpcf7-submit),.wpcf7-form p:has(input[type=submit]),.wpcf7-form p:has(.wpcf7-submit){grid-column:1/-1;margin-top:6px}
.rfq-form label,.wpcf7-form label{display:block;font-weight:600;font-size:14px;color:var(--c-ink);margin-bottom:6px}
.section--dark .rfq-form label,.section--dark .wpcf7-form label,.section--sand .rfq-form label,.section--sand .wpcf7-form label{color:var(--c-on-dark)}
.rfq-form input,.rfq-form textarea,.rfq-form select,.wpcf7-form input:not([type=submit]):not([type=checkbox]):not([type=radio]),.wpcf7-form textarea,.wpcf7-form select{width:100%;padding:13px 14px;border:1px solid var(--c-line);border-radius:var(--r-input);background:var(--c-bg);color:var(--c-ink);font:inherit;font-size:15px;transition:border-color .15s var(--ease)}
.rfq-form input:focus,.rfq-form textarea:focus,.wpcf7-form input:focus,.wpcf7-form textarea:focus{outline:none;border-color:var(--c-accent);background:#fff}
.rfq-form textarea,.wpcf7-form textarea{height:120px;min-height:90px;resize:vertical}
.rfq-form input[type=submit],.wpcf7-form .wpcf7-submit{grid-column:1/-1;width:100%;padding:15px 28px;border:none;border-radius:var(--r-btn);background:var(--c-accent);color:#fff;font:600 15px var(--font-sans);cursor:pointer;transition:filter .15s var(--ease)}
.rfq-form input[type=submit]:hover,.wpcf7-form .wpcf7-submit:hover{filter:brightness(1.1)}
.wpcf7-form .wpcf7-not-valid-tip{color:var(--c-accent);font-size:13px;margin-top:4px}
.wpcf7 form.sent .wpcf7-response-output{border-color:#2e7d32;color:#2e7d32;margin:14px 0 0;padding:12px 16px;border-radius:8px;font-size:14px;border-width:1px;border-style:solid}
.wpcf7 form.invalid .wpcf7-response-output{border-color:var(--c-accent);color:var(--c-accent);margin:14px 0 0;padding:12px 16px;border-radius:8px;font-size:14px;border-width:1px;border-style:solid}
/* 深/沙底表单反相描边 */
.section--dark .wpcf7-form input:not([type=submit]),.section--dark .wpcf7-form textarea,.section--sand .wpcf7-form input:not([type=submit]),.section--sand .wpcf7-form textarea{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25);color:#fff}
.section--dark .wpcf7-form input::placeholder,.section--dark .wpcf7-form textarea::placeholder{color:rgba(255,255,255,.45)}

/* ===== 内页通用（archive / single / search / 404） ===== */
.container.narrow{max-width:860px}
.site-main{padding:calc(var(--topbar-h) + var(--nav-h) + 60px) 0 80px}
.site-main.site-front{padding:0}
.archive-head{text-align:center;margin-bottom:30px}
.archive-filter{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:34px}
.archive-filter a{padding:8px 18px;border:1px solid var(--c-line);border-radius:999px;color:var(--c-muted);font-weight:600;font-size:14px;transition:all .2s var(--ease)}
.archive-filter a:hover{color:var(--c-ink)}
.archive-filter a.active{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.archive-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:26px}
.arch-card{display:block;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;color:inherit;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.arch-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(56,48,46,.12)}
.arch-card:hover .media img{transform:scale(1.05)}
.arch-info{padding:18px 20px 22px}
.arch-date{font-size:13px;color:var(--c-muted)}
.arch-tit{font-family:var(--font-sans);font-weight:600;font-size:19px;margin:4px 0 8px;color:var(--c-ink);line-height:1.3}
.arch-info p{margin:0;font-size:14px;color:var(--c-muted);line-height:1.6}
.archive-empty{color:var(--c-muted);text-align:center;padding:40px}
.archive-pagination{margin-top:40px;text-align:center}
.archive-pagination .page-numbers{display:inline-block;min-width:40px;padding:8px 12px;margin:0 3px;border:1px solid var(--c-line);border-radius:8px;color:var(--c-ink);font-size:14px;transition:all .2s var(--ease)}
.archive-pagination .page-numbers.current{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.breadcrumb{font-size:13px;color:var(--c-muted);margin-bottom:20px}
.breadcrumb a{color:var(--c-muted)}.breadcrumb a:hover{color:var(--c-accent)}.breadcrumb .current{color:var(--c-ink)}.breadcrumb span{margin:0 6px}
.single-head{margin-bottom:24px}
.single-date{font-size:14px;color:var(--c-muted)}
.single-tit{font-family:var(--font-serif);font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.15;color:var(--c-ink);margin:.2em 0}
.single-hero{border-radius:var(--r-card);margin-bottom:30px}
.single-content{font-size:16px;line-height:1.8;color:var(--c-ink)}
.single-content p{margin:0 0 1.1em}
.single-content img{border-radius:10px}
.single-back{margin-top:40px}
.error-404 .err-wrap{text-align:center;padding:80px 0}
.err-search{display:flex;gap:10px;max-width:420px;margin:0 auto 22px}
.err-search input{flex:1;padding:12px 14px;border:1px solid var(--c-line);border-radius:var(--r-input);font:inherit}

/* ===== 响应式 ===== */
@media(max-width:1200px){
  .mega-inner{grid-template-columns:repeat(3,1fr) 1fr;gap:24px}
}
@media(max-width:1024px){
  .site-nav{display:none}
  .hamburger{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .container{padding:0 20px}
  .header-topbar{display:none}
  :root{--topbar-h:0px}
  .footer-grid{grid-template-columns:1fr}
  .rfq-form,.wpcf7-form{grid-template-columns:1fr}
  .rfq-form .form-row:has(textarea),.wpcf7-form p:has(textarea){grid-column:1}
  .archive-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
  .mega-inner{grid-template-columns:1fr 1fr;gap:18px}
}
@media(max-width:480px){
  .footer-grid{gap:24px}
  .floating-contact{right:12px;bottom:14px}
  .floating-contact a{width:44px;height:44px}
}