/* =====================================================================
   莱诺贝 Linobel · 高端外贸官网 · 浅色专业重构版
   设计基调：米白 / 纯白 主色 + 深蓝点缀 + 香槟金提亮
   衬线大标题 · 大留白 · 细金线 · 沉浸动效 · 浅色通透
   ===================================================================== */

:root{
  --ink:#15242f;            /* 近黑墨蓝，用于标题/正文（克制使用） */
  --navy:#23415a;          /* 精炼深蓝，仅作点缀色 */
  --navy-2:#33597a;
  --gold:#bd8f33;          /* 香槟金 */
  --gold-l:#d9b25c;
  --gold-d:#9c7322;
  --paper:#ffffff;
  --cream:#f6f3ec;         /* 暖米白 */
  --cream-2:#efe9dd;       /* 稍深米白，用于细分区隔 */
  --text:#33424f;          /* 正文 */
  --muted:#6f7d8a;         /* 辅助文字 */
  --line:#e6e0d3;          /* 浅分隔线 */
  --line-l:rgba(21,36,47,.08);

  --f-display:"Playfair Display","Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --f-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;

  --pad:clamp(94px,10.5vw,134px);   /* 区块统一上下留白 */
  --shadow-s:0 4px 18px rgba(21,36,47,.06);
  --shadow:0 18px 50px rgba(21,36,47,.10);
  --shadow-g:0 22px 60px rgba(21,36,47,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{font-family:var(--f-body);color:var(--text);background:var(--paper);line-height:1.72;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
a{text-decoration:none;color:inherit}
img{display:block}
::selection{background:var(--gold);color:#fff}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:#eef1f4}
::-webkit-scrollbar-thumb{background:#c3ccd6;border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:var(--gold)}

/* ---------- 顶部滚动进度条 ---------- */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold-l),var(--gold) 60%,var(--gold-d));z-index:92;transition:width .08s linear;box-shadow:0 0 14px rgba(189,143,51,.5)}

/* ---------- 通用排版 ---------- */
.display{font-family:var(--f-display);font-size:clamp(30px,3.6vw,46px);line-height:1.26;font-weight:700;color:var(--ink);letter-spacing:.5px}
.display em{font-style:italic;color:var(--gold-d)}
.display.light{color:#fff}
.display.light em{color:var(--gold-l)}

.eyebrow{display:inline-flex;align-items:center;gap:12px;color:var(--gold-d);font-size:12px;font-weight:700;letter-spacing:2.6px;text-transform:uppercase;margin-bottom:16px}
.eyebrow.light{color:var(--gold-l)}
.eb-line{display:block;width:34px;height:1px;background:var(--gold);flex:none}
.eyebrow.light .eb-line{background:var(--gold-l)}

.sec-head{margin-bottom:52px}
.sec-head.center{text-align:center}
.sec-head.center .eyebrow{justify-content:center}

/* 关于 Linobel 区块标题行：左标题 + 右语言切换 */
.sec-head.row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.sec-sub{color:var(--muted);margin-top:16px;font-size:15.5px;max-width:620px}
.sec-head.center .sec-sub{margin-left:auto;margin-right:auto}
.sec-sub.light{color:#b9c6d4}

.link-arrow{display:inline-flex;align-items:center;gap:10px;color:var(--gold-d);font-weight:700;font-size:14.5px;letter-spacing:.3px;white-space:nowrap;padding-bottom:3px;border-bottom:1px solid rgba(156,115,34,.35);transition:.25s var(--ease)}
.link-arrow i{font-style:normal;transition:transform .25s var(--ease)}
.link-arrow:hover{border-color:var(--gold-d);gap:16px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 34px;border-radius:2px;font-weight:700;font-size:15px;letter-spacing:.4px;transition:.3s var(--ease);cursor:pointer;border:1px solid transparent}
.btn i{font-style:normal;transition:transform .3s var(--ease)}
.btn:hover i{transform:translateX(5px)}
.btn-gold{background:linear-gradient(120deg,var(--gold-l),var(--gold));color:#15242f;box-shadow:0 10px 28px rgba(189,143,51,.30)}
.btn-gold:hover{box-shadow:0 16px 40px rgba(189,143,51,.44);transform:translateY(-2px)}
.btn-line{border-color:var(--navy);color:var(--navy)}
.btn-line:hover{border-color:var(--gold);color:var(--gold-d);background:rgba(189,143,51,.06)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:#192f43;transform:translateY(-2px)}

/* ---------- 语言切换 ---------- */
.lang-switch{display:inline-flex;align-items:center;gap:5px}
.lang-btn{background:none;border:none;color:var(--muted);cursor:pointer;font-size:12.5px;padding:2px 6px;border-radius:3px;transition:.2s;font-family:inherit;line-height:1.4}
.lang-btn:hover{color:var(--ink)}
.lang-btn.active{color:var(--gold-d);font-weight:700}
.sep{opacity:.35}
.nav-lang{display:flex;align-items:center;margin-left:12px;padding-left:20px;border-left:1px solid var(--line)}
.mnav-lang{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.mnav-lang .lang-switch{gap:14px}
.mnav-lang .lang-btn{font-size:18px;padding:6px 12px;color:var(--text)}
.mnav-lang .lang-btn.active{color:var(--gold-d)}

/* ---------- 导航（浅色毛玻璃） ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:.3s var(--ease)}
.nav.solid{background:#fff;box-shadow:0 8px 30px rgba(21,36,47,.08)}
.nav-in{display:flex;justify-content:space-between;align-items:center;height:82px;transition:height .3s var(--ease)}
.nav.solid .nav-in{height:68px}
.brand{display:flex;align-items:center;gap:13px}
.menu{display:flex;align-items:center;gap:38px;margin-left:auto}
.menu a{font-weight:500;color:var(--text);font-size:15px;letter-spacing:.4px;position:relative;padding:6px 0;transition:.25s}
.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--gold);transition:width .3s var(--ease)}
.menu a:hover{color:var(--gold-d)}
.menu a:hover::after{width:100%}
.menu a.on{color:var(--gold-d)}
.menu a.on::after{width:100%}

/* 汉堡 + 移动菜单（浅色） */
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;background:none;border:1px solid var(--line);border-radius:2px;cursor:pointer;padding:0 10px}
.burger span{display:block;height:1.5px;background:var(--ink);transition:.3s var(--ease)}
.burger.on span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.mnav{position:fixed;inset:0;background:#fff;z-index:55;display:none;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:40px}
.mnav.open{display:flex}
.mnav a{color:var(--text);font-family:var(--f-display);font-size:26px;padding:10px 0;transition:.25s}
.mnav a:hover{color:var(--gold-d)}


/* ================= 滚动关键词带（浅色） ================= */
.marquee{background:var(--cream-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:16px 0}
.mq-track{display:flex;align-items:center;gap:0;white-space:nowrap;width:max-content;animation:mq 34s linear infinite}
.mq-track span{font-family:var(--f-display);font-size:14px;letter-spacing:3px;color:var(--navy-2);padding:0 30px}
.mq-track i{color:var(--gold);font-size:8px;font-style:normal}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ================= 品牌实力数据（浅色） ================= */
.stats{position:relative;background:var(--paper);padding:var(--pad) 0;border-bottom:1px solid var(--line);overflow:hidden}
.stats::before{content:"";position:absolute;top:-40%;left:50%;transform:translateX(-50%);width:760px;height:480px;background:radial-gradient(circle,rgba(189,143,51,.10),transparent 62%);pointer-events:none}
.stats .wrap{position:relative}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.st{text-align:center;padding:0 12px;border-right:1px solid var(--line);position:relative}
.st:last-child{border-right:none}
.st b{font-family:var(--f-display);font-size:clamp(42px,5vw,66px);font-weight:700;color:var(--ink);line-height:1;display:inline-block}
.st i{font-style:normal;font-family:var(--f-display);font-size:28px;color:var(--gold)}
.st span{display:block;margin-top:12px;font-size:13px;color:var(--muted);letter-spacing:1.6px}

/* ================= 品牌引言 ================= */
.intro{padding:var(--pad) 0;background:var(--cream)}
.intro-in{display:grid;grid-template-columns:1fr 1fr;gap:76px;align-items:center}
.intro-left .display{font-size:clamp(30px,3.8vw,48px)}
.intro-right p{color:var(--text);font-size:16px;margin-bottom:16px}
.tick-list{list-style:none;margin:8px 0 26px;display:grid;grid-template-columns:1fr 1fr;gap:12px 20px}
.tick-list li{position:relative;padding-left:26px;font-weight:600;font-size:14.5px;color:var(--text)}
.tick-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border:1px solid var(--gold);transform:rotate(45deg)}
.tick-list li::after{content:"";position:absolute;left:2px;top:11px;width:4px;height:4px;background:var(--gold);transform:rotate(45deg)}

/* ================= 品牌理念三支柱 ================= */
.pillars{padding:var(--pad) 0 calc(var(--pad) - 18px);background:var(--paper)}
.pil-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.pil{position:relative;background:#fff;padding:54px 38px 58px;transition:.4s var(--ease);overflow:hidden}
.pil::after{content:"";position:absolute;left:0;top:0;width:0;height:3px;background:linear-gradient(90deg,var(--gold-l),var(--gold-d));transition:width .5s var(--ease)}
.pil:hover::after{width:100%}
.pil:hover{background:var(--cream);transform:translateY(-4px)}
.pil-n{display:block;font-family:var(--f-display);font-size:15px;letter-spacing:5px;color:var(--gold);margin-bottom:26px}
.pil b{display:block;font-family:var(--f-display);font-size:23px;color:var(--ink);letter-spacing:1.2px;margin-bottom:16px}
.pil p{font-size:15px;color:var(--muted);line-height:1.85}

/* ================= 核心能力（浅色） ================= */
.cap{position:relative;padding:var(--pad) 0;background:var(--paper);overflow:hidden;border-top:1px solid var(--line)}
.cap-glow{position:absolute;top:-30%;left:50%;transform:translateX(-50%);width:900px;height:620px;background:radial-gradient(circle,rgba(189,143,51,.10),transparent 62%);pointer-events:none}
.cap .wrap{position:relative}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cap-card{position:relative;background:var(--cream);border:1px solid var(--line);padding:42px 28px 46px;overflow:hidden;transition:.4s var(--ease)}
.cap-hover{position:absolute;inset:0;background:linear-gradient(160deg,rgba(189,143,51,.10),transparent 70%);opacity:0;transition:opacity .4s var(--ease)}
.cap-card:hover .cap-hover{opacity:1}
.cap-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(189,143,51,.4)}
.cap-n{font-family:var(--f-display);font-size:15px;color:var(--gold);letter-spacing:3px;display:block;margin-bottom:26px}
.cap-ico{width:40px;height:40px;fill:none;stroke:var(--gold-d);stroke-width:1.3;stroke-linejoin:round;stroke-linecap:round;margin-bottom:22px;transition:.4s var(--ease)}
.cap-card:hover .cap-ico{transform:scale(1.08) translateY(-2px)}
.cap-card b{display:block;font-family:var(--f-display);font-size:20px;color:var(--ink);margin-bottom:10px;letter-spacing:1px}
.cap-card span{font-size:14px;color:var(--muted);position:relative}




/* ================= 内页页头（产品中心 · 浅色） ================= */
.phead{position:relative;background:var(--cream);color:var(--ink);overflow:hidden;padding:96px 0 80px}
.phead-bg{position:absolute;inset:0;
  background:
    radial-gradient(760px 460px at 86% 10%,rgba(189,143,51,.16),transparent 62%),
    radial-gradient(640px 420px at 6% 96%,rgba(35,65,90,.10),transparent 62%)}
.phead-lines{position:absolute;inset:0;background-image:linear-gradient(90deg,var(--line-l) 1px,transparent 1px);background-size:112px 100%;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 85%);mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 85%)}
.phead-in{position:relative}
.crumbs{display:flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:1.4px;color:var(--muted);margin-bottom:26px}
.crumbs a{color:var(--muted);transition:.25s}
.crumbs a:hover{color:var(--gold-d)}
.crumbs em{font-style:normal;color:var(--gold-d)}
.phead-sub{color:var(--text);font-size:16px;max-width:620px;margin-top:18px}
.phead-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.phead-tags span{font-size:12px;font-weight:700;letter-spacing:1.1px;color:var(--ink);background:rgba(255,255,255,.74);border:1px solid rgba(21,36,47,.10);padding:7px 15px;border-radius:999px}
.menu a.on{color:var(--gold-d)}
.menu a.on::after{width:100%}

/* ================= 采购保障条 ================= */
.assure{background:var(--cream);border-bottom:1px solid var(--line);padding:46px 0}
.assure-in{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.as-item{display:flex;align-items:flex-start;gap:14px}
.as-ico{flex:none;display:flex;align-items:center;justify-content:center;width:46px;height:46px;border:1px solid var(--gold);border-radius:50%;color:var(--gold-d);background:#fff;transition:.35s var(--ease)}
.as-item:hover .as-ico{background:var(--gold);color:#fff}
.as-ico svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.as-item b{display:block;font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.as-item i{display:block;font-style:normal;font-size:12.8px;color:var(--muted);margin-top:3px;line-height:1.6}

/* ================= 产品中心 ================= */
.products{padding:72px 0;background:#fff}
.prod-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:18px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.filter{border:1px solid var(--line);background:#fff;padding:10px 26px;border-radius:2px;cursor:pointer;font-weight:600;font-size:14px;color:var(--muted);transition:.3s var(--ease);font-family:inherit;letter-spacing:.4px}
.filter:hover{border-color:var(--gold);color:var(--gold-d)}
.filter.active{background:var(--navy);border-color:var(--navy);color:#fff}
.sorts{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.sort-lb{font-size:11.5px;color:var(--muted);letter-spacing:1.6px;text-transform:uppercase;margin-right:2px}
.sort{border:1px solid var(--line);background:#fff;padding:8px 16px;border-radius:999px;cursor:pointer;font-size:12.8px;font-weight:600;color:var(--muted);transition:.3s var(--ease);font-family:inherit}
.sort:hover{border-color:var(--gold);color:var(--gold-d)}
.sort.active{background:var(--gold);border-color:var(--gold);color:#fff}
.fcount-row{margin-bottom:26px}
.fcount{font-size:13px;color:var(--muted);letter-spacing:.5px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(244px,1fr));gap:24px}
.card{position:relative;background:#fff;border:1px solid var(--line);overflow:hidden;cursor:pointer;transition:.35s var(--ease);display:flex;flex-direction:column}
.card::after{content:"";position:absolute;inset:0;background:radial-gradient(240px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.5),transparent 62%);opacity:0;transition:opacity .35s var(--ease);pointer-events:none;z-index:2}
.card:hover{border-color:var(--gold);box-shadow:var(--shadow);transform:translateY(-4px)}
.card:hover::after{opacity:1}
.card .ph-box{position:relative;overflow:hidden;background:#eef1f4}
.card .ph{width:100%;aspect-ratio:1/1;object-fit:cover;background:#eef1f4;transition:transform .7s var(--ease)}
.card:hover .ph{transform:scale(1.05)}
.hot-tag{position:absolute;top:12px;left:12px;z-index:4;display:inline-flex;align-items:center;gap:6px;background:linear-gradient(120deg,#d9432f,#b8321f);color:#fff;font-size:10.5px;font-weight:800;letter-spacing:1.4px;padding:5px 12px;border-radius:999px;box-shadow:0 4px 14px rgba(184,50,31,.30)}
.hot-tag::before{content:"";width:5px;height:5px;border-radius:50%;background:#ffd9a0;flex:none}
.card .ovl{position:absolute;left:14px;right:14px;bottom:14px;background:rgba(21,36,47,.9);color:#fff;text-align:center;font-size:12px;font-weight:700;letter-spacing:1px;padding:10px 0;opacity:0;transform:translateY(8px);transition:.3s var(--ease);z-index:3}
.card:hover .ovl{opacity:1;transform:none}

.card .meta{padding:13px 14px 14px;display:flex;flex-direction:column;flex:1}
.m-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:7px}
.card .sku{font-size:10.5px;font-weight:800;letter-spacing:1.3px;color:var(--gold-d);background:rgba(189,143,51,.11);padding:3px 8px;border-radius:2px}
.card .moq{font-size:11px;color:var(--muted);font-weight:600}
.card .moq i{font-style:normal;font-weight:800;letter-spacing:.8px;margin-right:4px;text-transform:uppercase}
.card .tt{font-size:13.5px;font-weight:600;line-height:1.55;height:42px;overflow:hidden;color:var(--text)}
.m-bot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;padding-top:11px}
.card .mat{font-size:11.5px;color:var(--navy-2);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card .inq{display:inline-flex;align-items:center;gap:5px;flex:none;background:var(--navy);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.6px;padding:7px 12px;border-radius:2px;transition:.3s var(--ease)}
.card .inq i{font-style:normal;transition:transform .3s var(--ease)}
.card .inq:hover{background:var(--gold);color:#fff}
.card .inq:hover i{transform:translateX(3px)}
.no-price-note{margin-top:38px;font-size:13px;color:var(--muted);text-align:center}

/* ================= 批量采购优势 ================= */
.bulk{padding:var(--pad) 0;background:var(--cream)}
.bulk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.bk{background:#fff;border:1px solid var(--line);padding:30px 26px;transition:.4s var(--ease)}
.bk:hover{border-color:var(--gold);box-shadow:var(--shadow-s);transform:translateY(-4px)}
.bk-n{display:block;font-family:var(--f-display);font-size:26px;color:var(--gold);margin-bottom:14px;letter-spacing:1px}
.bk b{display:block;font-family:var(--f-display);font-size:18px;color:var(--ink);margin-bottom:10px;letter-spacing:.6px}
.bk i{font-style:normal;font-size:13.6px;color:var(--muted);line-height:1.75}

/* ================= 合作流程 ================= */
.process{padding:var(--pad) 0;background:var(--paper)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.steps::before{content:"";position:absolute;left:12%;right:12%;top:26px;height:1px;background:linear-gradient(90deg,transparent,var(--line) 12%,var(--line) 88%,transparent);z-index:0}
.step{position:relative;z-index:1;text-align:left;padding-top:0}
.step-n{display:flex;align-items:center;justify-content:center;width:52px;height:52px;background:#fff;border:1px solid var(--gold);color:var(--gold-d);font-family:var(--f-display);font-size:17px;font-weight:700;margin-bottom:24px;transition:.4s var(--ease)}
.step:hover .step-n{background:var(--gold);color:#fff}
.step b{display:block;font-family:var(--f-display);font-size:19px;color:var(--ink);margin-bottom:8px;letter-spacing:1px}
.step span{font-size:14px;color:var(--muted)}

/* ================= 询盘 CTA ================= */
.cta-band{position:relative;background:linear-gradient(120deg,var(--gold-l) 0%,var(--gold) 45%,var(--gold-d) 100%);overflow:hidden}
.cta-noise{position:absolute;inset:0;background-image:radial-gradient(rgba(21,36,47,.14) 1px,transparent 1px);background-size:5px 5px;opacity:.5}
.cta-in{position:relative;display:flex;justify-content:space-between;align-items:center;gap:30px;padding:66px 24px;flex-wrap:wrap}
.cta-band .display{font-size:clamp(26px,3vw,38px);color:#15242f}
.cta-band p{color:rgba(21,36,47,.82);font-size:15.5px;margin-top:10px}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn-outline{border-color:rgba(21,36,47,.45);color:#15242f}
.btn-outline:hover{border-color:#15242f;background:rgba(21,36,47,.07)}

/* ================= 联系 ================= */
.contact{padding:var(--pad) 0;background:var(--cream)}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cc{position:relative;background:#fff;border:1px solid var(--line);padding:28px;display:flex;align-items:center;gap:18px;transition:.35s var(--ease)}
.cc:hover{border-color:var(--gold);background:var(--cream);box-shadow:var(--shadow-s);transform:translateY(-3px)}
.cc-ico{width:52px;height:52px;flex:none;display:flex;align-items:center;justify-content:center;background:var(--navy)}
.cc-ico svg{width:24px;height:24px;fill:none;stroke:var(--gold-l);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.cc b{display:block;font-size:15.5px;color:var(--ink);letter-spacing:.4px}
.cc span{font-size:13.5px;color:var(--muted)}
.cc-arrow{margin-left:auto;font-style:normal;color:var(--gold-d);font-size:18px;transition:transform .3s var(--ease)}
.cc:hover .cc-arrow{transform:translateX(5px)}
/* 询盘型号提示条 */
.sku-notice{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;
  margin-top:34px;padding:16px 24px;background:rgba(189,143,51,.09);
  border:1px solid var(--gold);border-left:4px solid var(--gold)}
.sn-lb{font-size:12px;font-weight:700;letter-spacing:1.4px;color:var(--gold-d);text-transform:uppercase}
.sku-notice b{font-family:var(--f-display);font-size:20px;color:var(--ink);letter-spacing:1.6px}
.sn-tip{font-size:13px;color:var(--muted)}
.contact-tip{margin-top:30px;color:var(--muted);font-size:14px;text-align:center}

/* ================= RFQ 询盘表单 ================= */
.rfq{background:#fff;border:1px solid var(--line);padding:36px 38px 30px;box-shadow:var(--shadow);margin-top:38px}
.rfq-head{margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.rfq-t{font-family:var(--f-display);font-size:26px;color:var(--ink);margin-top:6px;font-weight:700;letter-spacing:.4px}
.rfq-sub{color:var(--muted);margin-top:10px;font-size:14.5px;line-height:1.7;max-width:680px}
.rfq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 24px}
.rfq-grid .full{grid-column:1/-1}
.fl{display:flex;flex-direction:column;gap:7px}
.fl span{font-size:12.5px;font-weight:700;color:var(--navy);letter-spacing:.4px}
.fl input,.fl textarea{border:1px solid var(--line);background:#fff;padding:12px 14px;font-family:inherit;font-size:14px;color:var(--ink);border-radius:2px;outline:none;transition:.25s var(--ease);width:100%}
.fl input:focus,.fl textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(189,143,51,.12)}
.fl textarea{resize:vertical;min-height:100px;line-height:1.65}
.fl input:invalid:not(:placeholder-shown){border-color:#d9432f}
.rfq-actions{display:flex;align-items:center;gap:14px;margin-top:26px;flex-wrap:wrap}
.rfq-note{font-size:12.5px;color:var(--muted);letter-spacing:.3px}
@media(max-width:560px){.rfq{padding:24px 20px;margin-top:28px}.rfq-grid{grid-template-columns:1fr}.rfq-t{font-size:21px}.rfq-actions{flex-direction:column;align-items:stretch}.rfq-actions .btn{justify-content:center}}

/* ================= 页脚（深蓝锚点·仅此一处深色） ================= */
.footer{background:var(--ink);color:#9fb0c1;padding:72px 0 0}
.footer-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.f-col{display:flex;flex-direction:column;gap:12px}
.f-col>b{color:#fff;font-size:14px;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:6px}
.f-col a{font-size:13.5px;color:#9fb0c1;transition:.25s;width:fit-content}
.f-col a:hover{color:var(--gold-l);transform:translateX(3px)}
.f-brandcol p{font-size:13.5px;line-height:1.8;color:#8fa1b3;max-width:340px;margin-top:6px}
.f-brand{display:flex;align-items:center;gap:11px;font-family:var(--f-display);font-size:19px;color:#fff;letter-spacing:2px}
.f-brand b{color:var(--gold-l);font-size:12px;letter-spacing:3px;font-family:var(--f-body)}
.f-logo{height:34px;width:34px;object-fit:contain}
/* 页脚联系方式：统一图标名片行 */
.f-ck{display:flex;align-items:center;gap:11px;width:fit-content;font-size:13.5px;color:#9fb0c1;transition:.25s}
.f-ck-ico{width:30px;height:30px;flex:none;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.05);border:1px solid rgba(189,143,51,.32);border-radius:8px;transition:.25s}
.f-ck-ico svg{width:16px;height:16px;fill:none;stroke:var(--gold-l);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.f-ck-t{display:flex;flex-direction:column;line-height:1.38}
.f-ck-t i{font-style:normal;font-size:11.5px;color:#c7d3de;letter-spacing:.4px}
.f-ck-t em{font-style:normal;font-size:13.5px;color:#9fb0c1;transition:.25s}
.f-ck:hover{transform:translateX(3px)}
.f-ck:hover .f-ck-ico{border-color:var(--gold);background:rgba(189,143,51,.12)}
.f-ck:hover .f-ck-t em{color:var(--gold-l)}
.f-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#7f919f}

/* ================= 回到顶部 ================= */
.totop{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border:none;border-radius:50%;background:var(--navy);cursor:pointer;z-index:70;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transform:translateY(14px);transition:.35s var(--ease);box-shadow:var(--shadow-g)}
.totop.show{opacity:1;pointer-events:auto;transform:none}
.totop svg{width:18px;height:18px;fill:none;stroke:var(--gold-l);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.totop:hover{background:var(--gold)}
.totop:hover svg{stroke:#15242f}

/* ================= 浮动询盘按钮（微信主 + WhatsApp 海外） ================= */
.wx-float,.wa-float{position:fixed;right:26px;width:58px;height:58px;border:none;border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(21,36,47,.22);z-index:71;transition:.3s var(--ease);cursor:pointer}
.wx-float{background:#07C160;bottom:88px;animation:wxfloat 3s ease-in-out infinite}
.wx-float:hover{background:#06ad56;transform:scale(1.08)}
.wx-float:active{transform:scale(.96)}
.wa-float{bottom:154px;background:#25D366;box-shadow:0 10px 30px rgba(37,211,102,.38)}
.wa-float:hover{background:#20bd5a;transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;fill:#fff}
.wx-float svg{width:30px;height:30px;fill:#fff}
.wa-tip{position:absolute;right:70px;top:50%;margin-top:-16px;background:var(--ink);color:#fff;font-size:12.5px;font-weight:700;padding:7px 14px;border-radius:6px;white-space:nowrap;opacity:0;transform:translateX(8px);transition:.25s var(--ease);pointer-events:none}
.wa-tip::after{content:"";position:absolute;right:-4px;top:50%;transform:translateY(-50%) rotate(45deg);width:8px;height:8px;background:var(--ink)}
.wx-float:hover .wa-tip,.wa-float:hover .wa-tip{opacity:1;transform:translateX(0)}
@keyframes wxfloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* 微信询盘卡片浮层 */
.wx-pop{position:fixed;right:22px;bottom:160px;z-index:96;width:300px}
.wx-pop[hidden]{display:none}
.wx-pop-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-g);padding:26px 24px 22px;text-align:center;animation:lbin .28s var(--ease)}
.wx-x{position:absolute;top:10px;right:14px;background:none;border:none;font-size:26px;line-height:1;color:var(--muted);cursor:pointer;transition:.2s}
.wx-x:hover{color:var(--ink)}
.wx-ico{width:52px;height:52px;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;background:rgba(7,193,96,.10);border-radius:50%}
.wx-ico svg{width:28px;height:28px;fill:#07C160}
.wx-t{display:block;font-family:var(--f-display);font-size:19px;color:var(--ink);letter-spacing:1px;margin-bottom:16px}
.wx-qr{width:168px;height:168px;margin:0 auto 16px;border:1px solid var(--line);border-radius:8px;display:block}
.wx-id{border-top:1px dashed var(--line);padding-top:14px;margin-bottom:12px}
.wx-id span{display:block;font-size:11px;letter-spacing:1.4px;color:var(--muted);text-transform:uppercase}
.wx-id em{display:block;font-style:normal;font-family:var(--f-display);font-size:24px;font-weight:700;color:var(--ink);letter-spacing:2px;margin:4px 0 12px}
.wx-id .btn{padding:9px 26px;font-size:13.5px}
.wx-hint{font-size:12px;color:var(--muted);line-height:1.7;margin-bottom:12px}
.wx-wa{display:inline-block;font-size:12px;color:var(--gold-d);font-weight:700;letter-spacing:.3px;border-bottom:1px solid rgba(156,115,34,.35);padding-bottom:2px}
.wx-wa:hover{border-color:var(--gold-d)}
@media(max-width:560px){
  .wx-float,.wa-float{right:16px}
  .wx-float{bottom:80px;width:52px;height:52px}
  .wx-float svg{width:26px;height:26px}
  .wa-float{bottom:140px;width:48px;height:48px}
  .wa-float svg{width:24px;height:24px}
  .wa-tip{display:none}
  .wx-pop{right:12px;bottom:140px;width:264px}
}

/* ================= 灯箱 ================= */
.lightbox{position:fixed;inset:0;background:rgba(6,16,26,.96);display:none;flex-direction:column;align-items:center;justify-content:center;z-index:100;padding:78px 20px 30px;backdrop-filter:blur(6px)}
.lightbox.show{display:flex;animation:lbin .3s var(--ease)}
@keyframes lbin{from{opacity:0}to{opacity:1}}
.lb-close{position:absolute;top:22px;right:30px;color:#fff;font-size:38px;cursor:pointer;line-height:1;opacity:.75;transition:.2s}
.lb-close:hover{opacity:1;color:var(--gold-l)}
.lb-title{color:#e7eef5;font-family:var(--f-display);font-size:17px;letter-spacing:.6px;margin-bottom:20px;text-align:center;max-width:900px}
.lb-imgs{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;max-width:1100px;max-height:76vh;overflow:auto}
.lb-imgs img{max-height:74vh;max-width:32%;border-radius:2px;border:1px solid rgba(255,255,255,.14);object-fit:contain;background:#0d2136}
.lb-imgs img:only-child{max-width:min(88%,760px);max-height:86vh}
.lb-imgs::-webkit-scrollbar{width:6px}
.lb-imgs::-webkit-scrollbar-thumb{background:var(--gold);border-radius:6px}

/* ================= 滚动揭示动效 ================= */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.12s}
.d2{transition-delay:.24s}
.d3{transition-delay:.36s}
.d4{transition-delay:.48s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1!important;transform:none!important}
  .mq-track{animation:none}
  .wx-float{animation:none}
  html{scroll-behavior:auto}
}

/* ================= 响应式 ================= */
@media (max-width:1080px){
  .intro-in{grid-template-columns:1fr;gap:34px}
  .cap-grid{grid-template-columns:1fr 1fr}
  .pil-grid{grid-template-columns:1fr}
  .footer-in{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:860px){
  .menu{display:none}
  .burger{display:flex}
  .nav-in{height:70px}
  .brand-logo{height:40px}
  .stats-in{grid-template-columns:1fr 1fr;gap:30px 12px}
  .st:nth-child(2){border-right:none}
  .steps{grid-template-columns:1fr 1fr}
  .steps::before{display:none}
  .contact-cards{grid-template-columns:1fr}
  .card .ovl{opacity:1;transform:none;background:rgba(21,36,47,.82)}
  .phead{padding:60px 0 52px}
  .assure-in{grid-template-columns:1fr 1fr;gap:22px}
  .bulk-grid{grid-template-columns:1fr 1fr}
  .prod-bar{flex-direction:column;align-items:stretch;gap:14px}
  .sorts{justify-content:flex-start}
}
@media (max-width:560px){
  .wrap{padding:0 18px}
  .nav-in{height:64px}
  .brand-logo{height:34px}
  .cap-grid{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:14px}
  .assure-in{grid-template-columns:1fr;gap:18px}
  .bulk-grid{grid-template-columns:1fr}
  .m-bot{flex-direction:column;align-items:stretch;gap:8px}
  .card .inq{justify-content:center}
  .card .mat{white-space:normal}
  .tick-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-in{grid-template-columns:1fr;gap:28px}
  .cta-in{padding:44px 18px}
  .lb-imgs img{max-width:96%}
}

/* ================= 品牌 LOGO（深色，适配浅色导航） ================= */
.brand-logo{height:44px;width:auto;display:block;transition:height .3s var(--ease)}
.f-logo{height:30px;width:auto;object-fit:contain}

/* ================= 商品型 SHOP BANNER（电商首屏） ================= */
.shop{position:relative;background:linear-gradient(180deg,var(--cream) 0%,#fff 100%);padding:78px 0 66px;overflow:hidden}
.shop-in{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.shop-text{max-width:560px}
/* 品牌介绍（标题上方·引言式：左侧金线 + 舒适行高） */
.shop-sub{font-size:16px;color:var(--text);margin-bottom:22px;line-height:1.88;max-width:530px;
  padding-left:18px;border-left:2px solid var(--gold)}
.shop-sub strong{color:var(--gold-d);font-weight:700}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* 去标题后的视觉主标语（SEO 由 sr-only h1 兜底） */
.shop-lead{font-family:var(--f-display);font-size:clamp(24px,3.2vw,40px);line-height:1.22;font-weight:700;color:var(--ink);margin:12px 0 20px;letter-spacing:.4px}
.shop-lead em{font-style:italic;color:var(--gold-d)}
/* 实力背书条：强化 B2B 信任感 */
.shop-cred{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:14px 0;margin:0 0 30px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.shop-cred li{position:relative;padding:2px 18px;border-left:1px solid var(--line)}
.shop-cred li:first-child{padding-left:0;border-left:none}
.shop-cred b{display:block;font-family:var(--f-display);font-size:21px;font-weight:700;color:var(--ink);line-height:1.05;letter-spacing:.3px}
.shop-cred span{display:block;font-size:10.5px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);margin-top:6px}
.shop-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.shop-chips{list-style:none;display:flex;gap:10px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--line)}
.shop-chips li{position:relative;font-size:12.5px;color:var(--navy-2);font-weight:600;letter-spacing:.3px;padding:7px 14px 7px 28px;border:1px solid var(--line);border-radius:999px;background:#fff}
.shop-chips li::before{content:"";position:absolute;left:13px;top:50%;width:6px;height:6px;background:var(--gold);border-radius:50%;transform:translateY(-50%)}
/* 品牌徽标视觉（参照品牌正稿：浅米底+衬线大字+金线+圆点+棕色中文） */
.shop-visual{position:relative;border-radius:20px;overflow:hidden;min-height:420px;display:flex;align-items:center;justify-content:center;
  background:#f0ead7;border:1px solid rgba(157,122,49,.22);box-shadow:var(--shadow)}
.sv-inner{text-align:center;padding:34px 28px}
/* 顶部小圆点 + 横线（品牌符号） */
.sv-dot{display:block;width:14px;height:14px;background:var(--ink);border-radius:50%;margin:0 auto 28px;position:relative}
.sv-dot::before,.sv-dot::after{content:"";position:absolute;top:50%;width:14px;height:2px;background:#f0ead7;transform:translateY(-50%)}
.sv-dot::before{right:100%;margin-right:2px}
.sv-dot::after{left:100%;margin-left:2px}
.sv-name{display:block;font-family:var(--f-display);font-size:64px;font-weight:700;letter-spacing:10px;color:var(--ink);line-height:1.1;text-indent:10px}
.sv-rule{display:block;width:78%;max-width:380px;height:1px;background:var(--gold);margin:26px auto 18px;position:relative}
.sv-rule::after{content:"";position:absolute;left:50%;top:50%;width:7px;height:7px;background:var(--gold);border-radius:50%;transform:translate(-50%,-50%)}
.sv-zh{display:block;font-family:var(--f-body);font-size:22px;letter-spacing:8px;font-weight:700;color:#6c542f;margin-bottom:22px;text-indent:8px}
.sv-sub{display:block;font-size:11.5px;letter-spacing:3px;color:#9d7a31;text-transform:uppercase;font-weight:600}
@media(max-width:860px){.shop-visual{min-height:340px}.sv-name{font-size:48px;letter-spacing:6px}.sv-zh{font-size:18px;letter-spacing:5px;margin-bottom:18px}}

/* ================= 品类入口（暖米调 + 金色装饰，呼应品牌视觉块） ================= */
.cats{padding:64px 0;background:#fff}
.cats-in{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cat{position:relative;display:block;border-radius:20px;overflow:hidden;min-height:240px;box-shadow:var(--shadow);border:1px solid rgba(157,122,49,.18);background:#f6f3ec;transition:.45s var(--ease)}
/* 右上角淡金圆环 + 圆点，延续 shop-visual 品牌符号 */
.cat::before{content:"";position:absolute;right:-32px;top:-32px;width:188px;height:188px;border-radius:50%;border:1px solid rgba(157,122,49,.16);pointer-events:none;transition:.45s var(--ease)}
.cat::after{content:"";position:absolute;right:44px;top:44px;width:18px;height:18px;border-radius:50%;background:var(--gold);opacity:.28;pointer-events:none}
.cat:hover{transform:translateY(-6px);box-shadow:0 24px 56px rgba(15,34,51,.12);border-color:rgba(157,122,49,.32)}
.cat:hover::before{transform:scale(1.06)}
.cat-body{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:34px;color:var(--ink)}
/* 淡金色编号水印，增强设计感且不喧哗 */
.cat-a .cat-body::before,.cat-b .cat-body::before{position:absolute;right:28px;top:20px;font-family:var(--f-display);font-size:92px;font-weight:700;color:rgba(189,143,51,.10);line-height:1;pointer-events:none;letter-spacing:-2px}
.cat-a .cat-body::before{content:"01"}
.cat-b .cat-body::before{content:"02"}
.cat-k{font-size:11px;letter-spacing:2.5px;text-transform:uppercase;color:var(--gold-d);font-weight:700;margin-bottom:12px}
.cat-t{font-size:26px;font-weight:700;font-family:var(--f-display);margin-bottom:18px;line-height:1.25}
.cat-go{font-size:13.5px;font-weight:600;letter-spacing:.5px;color:var(--gold-d);transition:.3s var(--ease);display:inline-flex;align-items:center;gap:8px}
.cat-go::after{content:"→";transition:.3s var(--ease)}
.cat:hover .cat-go{letter-spacing:1.5px;color:var(--ink)}
.cat:hover .cat-go::after{transform:translateX(4px)}

/* ================= 信任条 ================= */
.trust{background:var(--cream);padding:52px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-in{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.tr{text-align:center;padding:8px 6px}
.tr-ico{font-size:30px;display:block;margin-bottom:12px;line-height:1}
.tr b{display:block;font-size:17px;color:var(--ink);margin-bottom:6px;font-family:var(--f-display)}
.tr span{display:block;font-size:13.5px;color:var(--muted);line-height:1.6}

/* ================= 电商区块响应式 ================= */
@media (max-width:1080px){
  .shop-in{grid-template-columns:1fr;gap:40px}
  .shop-visual{min-height:300px}
  .cats-in{grid-template-columns:1fr}
  .trust-in{grid-template-columns:repeat(2,1fr);gap:30px 18px}
}
@media (max-width:560px){
  .shop{padding:54px 0 46px}
  .shop-sub{font-size:15px;padding-left:14px;margin-bottom:20px;line-height:1.8}
  .shop-visual{min-height:300px;border-radius:14px}
  .shop-cred{grid-template-columns:repeat(2,1fr);gap:16px 0}
  .shop-cred li{padding:2px 14px}
  .shop-cred li:nth-child(odd){padding-left:0;border-left:none}
  .shop-cred li:nth-child(3){border-left:none}
  .shop-chips{margin-top:22px}
  .cats{padding:40px 0}
  .cat{min-height:180px;border-radius:16px}
  .cat-body{padding:22px}
  .cat-a .cat-body::before,.cat-b .cat-body::before{font-size:64px;right:18px;top:14px}
  .cat-t{font-size:20px;margin-bottom:14px}
  .cat-k{margin-bottom:8px}
  .trust-in{grid-template-columns:1fr;gap:22px}
  .tr{padding:6px}
  .sv-name{letter-spacing:5px;font-size:42px;text-indent:5px}
  .sv-zh{font-size:16px;letter-spacing:4px}
  .sv-rule{width:84%}
}