/* ============ SPSEN 尚品森 — Design System ============ */
:root{
  --bg:#faf7f2;
  --bg-alt:#f1ebe1;
  --ink:#2a251f;
  --muted:#6f665c;
  --accent:#a07a4f;
  --accent-dark:#7d5c37;
  --line:#e6ddd0;
  --white:#ffffff;
  --shadow:0 18px 45px rgba(60,45,25,.10);
  --radius:14px;
  --font-head:'Playfair Display', Georgia, 'Songti SC', serif;
  --font-body:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1200px,92%);margin:0 auto}
section{padding:76px 0}

/* ---------- Type ---------- */
h1,h2,h3,.serif{font-family:var(--font-head)}
h1{font-size:clamp(2.1rem,4.5vw,3.4rem);line-height:1.15;font-weight:600}
h2{font-size:clamp(1.6rem,3vw,2.35rem);font-weight:600;line-height:1.2}
h3{font-size:1.15rem;font-weight:600}
.eyebrow{letter-spacing:.22em;text-transform:uppercase;font-size:.78rem;color:var(--accent);font-weight:600;margin-bottom:12px}
.lead{font-size:1.06rem;color:var(--muted);max-width:640px}
.center{text-align:center}.center .lead{margin:0 auto}
.muted{color:var(--muted)}
.accent{color:var(--accent)}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:13px 28px;border-radius:40px;font-weight:600;font-size:.95rem;transition:.25s;border:1px solid transparent;cursor:pointer}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:var(--accent-dark)}
.btn-bronze{background:var(--accent);color:#fff}
.btn-bronze:hover{background:var(--accent-dark)}
.btn-ghost{border-color:var(--line);background:transparent;color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-dark)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--bg-alt)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,247,242,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{font-family:var(--font-head);font-size:1.35rem;letter-spacing:.04em;display:flex;align-items:center;gap:10px}
.brand .mark{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;display:grid;place-items:center;font-size:1rem}
.nav-links{display:flex;gap:20px;align-items:center}
.nav-links a{font-size:.88rem;font-weight:500;color:var(--muted);transition:.2s;white-space:nowrap}
.nav-links a:hover{color:var(--ink)}
.nav-links .btn{padding:10px 22px;margin-left:6px}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 32%;transform:scale(1.02)}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,14,8,.72) 0%,rgba(20,14,8,.28) 55%,rgba(20,14,8,.05) 100%)}
.hero-inner{position:relative;z-index:2;max-width:640px}
.hero .eyebrow{color:#e4c9a6}
.hero h1{margin-bottom:18px}
.hero p{font-size:1.08rem;opacity:.92;margin-bottom:30px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Trust bar ---------- */
.trust{background:var(--ink);color:#efe8dc;padding:26px 0}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;text-align:center}
.trust-item .t{font-size:1.5rem;font-family:var(--font-head);color:#e4c9a6}
.trust-item .s{font-size:.85rem;opacity:.85;margin-top:2px}

/* ---------- Feature bullets ---------- */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:34px;margin-top:44px}
.feature .icon{width:52px;height:52px;border-radius:14px;background:var(--bg-alt);display:grid;place-items:center;font-size:1.5rem;margin-bottom:16px;border:1px solid var(--line)}
.feature h3{margin-bottom:8px}
.feature p{font-size:.93rem;color:var(--muted)}

/* ---------- Product cards ---------- */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:26px;margin-top:40px}
.pcard{background:var(--white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.3s;box-shadow:0 4px 16px rgba(60,45,25,.05)}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.pcard .thumb{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--bg-alt)}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .5s}
.pcard:hover .thumb img{transform:scale(1.05)}
.pcard .tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--ink);font-size:.72rem;font-weight:600;letter-spacing:.06em;padding:5px 10px;border-radius:30px}
.pcard .info{padding:16px 18px 18px}
.pcard .code{font-family:var(--font-head);font-size:1.08rem;font-weight:600}
.pcard .meta{font-size:.84rem;color:var(--muted);margin-top:3px}
.pcard .row{display:flex;justify-content:space-between;align-items:center;margin-top:10px}

/* ---------- Swatches ---------- */
.swatch-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:18px;margin-top:40px}
.swatch{cursor:pointer;background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.25s;text-align:left}
.swatch:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.swatch .chip{height:96px}
.swatch .sw-info{padding:12px 14px}
.swatch .sw-code{font-weight:700;font-size:.95rem}
.swatch .sw-name{font-size:.8rem;color:var(--muted);margin-top:2px}

/* ---------- Split sections ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split .media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split .media img{width:100%;height:100%;object-fit:cover}
.split ul{margin:18px 0 26px;list-style:none}
.split li{padding:7px 0 7px 28px;position:relative;color:var(--muted);font-size:.97rem}
.split li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,#2a251f,#4a3a26);color:#fff;text-align:center;border-radius:20px;padding:60px 30px}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:#d8cdbc;margin-bottom:26px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-band .btn{margin:0 6px}

/* ---------- Tables ---------- */
.spec-table{width:100%;border-collapse:collapse;margin-top:22px;background:var(--white);border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.spec-table th,.spec-table td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.93rem}
.spec-table th{background:var(--bg-alt);font-weight:600;width:38%}
.spec-table tr:last-child td{border-bottom:none}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:.85rem;font-weight:600;color:var(--muted)}
.field input,.field select,.field textarea{padding:12px 15px;border:1px solid var(--line);border-radius:10px;font-size:.95rem;background:var(--white);font-family:inherit;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{min-height:110px;resize:vertical}
.form-note{font-size:.82rem;color:var(--muted);margin-top:12px}

/* ---------- Breadcrumb / page header ---------- */
.page-head{padding:64px 0 20px;text-align:center}
.page-head h1{margin-bottom:10px}
.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:30px}
.filter-btn{padding:9px 20px;border-radius:40px;border:1px solid var(--line);background:var(--white);font-size:.88rem;font-weight:600;cursor:pointer;transition:.2s;color:var(--muted)}
.filter-btn.active,.filter-btn:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- Product detail ---------- */
.detail{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start;padding:70px 0}
.detail .gallery{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--bg-alt)}
.detail .gallery img{width:100%;object-fit:cover}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--line);border-radius:40px;font-size:.84rem;background:var(--white)}
.chip .dot{width:16px;height:16px;border-radius:50%;border:1px solid rgba(0,0,0,.12)}
.contact-box{margin-top:28px;background:var(--bg-alt);border:1px solid var(--line);border-radius:14px;padding:24px}
.contact-box h3{margin-bottom:6px}
.contact-box p{font-size:.92rem;color:var(--muted)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#cdc2b2;margin-top:60px;padding:60px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px}
.site-footer h4{color:#fff;font-size:.98rem;margin-bottom:16px;font-family:var(--font-head)}
.site-footer a{display:block;padding:4px 0;font-size:.9rem;transition:.2s}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .nav-links{position:fixed;inset:74px 0 auto 0;background:var(--bg);flex-direction:column;padding:24px 0 30px;gap:18px;border-bottom:1px solid var(--line);display:none;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .split{grid-template-columns:1fr;gap:34px}
  .detail{grid-template-columns:1fr;gap:30px;padding:44px 0}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  section{padding:56px 0}
}

/* ============================================================
   新增模块样式（FAQ / 下载中心 / 定制服务 / 合规 / 404）
   ============================================================ */

/* 面包屑 */
.breadcrumbs{padding:18px 0 0;font-size:.82rem;color:var(--muted)}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--accent-dark)}
.breadcrumbs span.sep{margin:0 8px;opacity:.5}

/* 页面小标签 */
.pill{display:inline-block;background:var(--bg-alt);border:1px solid var(--line);border-radius:30px;
      padding:5px 14px;font-size:.8rem;font-weight:600;color:var(--accent-dark);margin:0 8px 8px 0}

/* FAQ 手风琴 */
.faq-list{max-width:880px;margin:36px auto 0}
.faq-list details{background:var(--white);border:1px solid var(--line);border-radius:12px;
                  margin-bottom:12px;overflow:hidden}
.faq-list details[open]{box-shadow:0 8px 24px rgba(60,45,25,.06)}
.faq-list summary{cursor:pointer;padding:18px 22px;font-weight:600;font-size:1rem;
                  list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";color:var(--accent);font-size:1.35rem;line-height:1;flex:0 0 auto}
.faq-list details[open] summary::after{content:"\2212"}
.faq-list .answer{padding:0 22px 20px;color:var(--muted);font-size:.94rem;line-height:1.75}
.faq-list .answer strong{color:var(--ink)}

/* 下载中心卡片 */
.dl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px;margin-top:40px}
.dl-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:26px;
         display:flex;flex-direction:column;transition:.25s}
.dl-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.dl-card .ic{width:46px;height:46px;border-radius:12px;background:var(--bg-alt);display:grid;
             place-items:center;font-size:1.3rem;margin-bottom:14px;border:1px solid var(--line)}
.dl-card h3{margin-bottom:6px}
.dl-card .meta{font-size:.82rem;color:var(--muted);margin-bottom:14px}
.dl-card p{font-size:.92rem;color:var(--muted);flex:1 1 auto;margin-bottom:18px}

/* 定制流程步骤 */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:22px;margin-top:40px;counter-reset:step}
.step{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px;position:relative}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-14px;left:20px;
              width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;
              display:grid;place-items:center;font-weight:700;font-size:.9rem}
.step h4{font-size:1rem;margin:6px 0 6px;font-family:var(--font-head)}
.step p{font-size:.88rem;color:var(--muted)}

/* 规格要点列表 */
.spec-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:28px}
.spec-item{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.spec-item .k{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-weight:700}
.spec-item .v{font-size:.98rem;margin-top:6px}

/* Cookie 同意条 */
.consent{position:fixed;left:0;right:0;bottom:0;z-index:120;background:rgba(42,37,31,.97);color:#e9e1d4;
         padding:16px 0;display:none;box-shadow:0 -8px 30px rgba(0,0,0,.25)}
.consent.show{display:block}
.consent .inner{display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.consent p{font-size:.86rem;margin:0;max-width:760px}
.consent .acts{display:flex;gap:10px;flex-wrap:wrap}
.consent .btn{padding:9px 18px;font-size:.85rem}
.consent a{color:#e4c9a6;text-decoration:underline}

/* 404 */
.err-404{text-align:center;padding:90px 0 70px}
.err-404 .code{font-family:var(--font-head);font-size:clamp(4rem,14vw,9rem);line-height:1;color:var(--bg-alt);
               text-shadow:1px 1px 0 var(--line)}
.err-404 h1{margin:-10px 0 12px}
.err-404 .lead{margin:0 auto 28px}
.err-404 .links{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* 长文页（隐私政策） */
.legal{max-width:860px;margin:0 auto}
.legal h2{margin-top:34px;font-size:1.3rem}
.legal h3{margin-top:22px;font-size:1.02rem}
.legal p,.legal li{color:var(--muted);font-size:.94rem;line-height:1.8}
.legal ul{margin:10px 0 10px 22px}
.legal .updated{font-size:.85rem;color:var(--muted);margin-top:6px}
.legal table{width:100%;border-collapse:collapse;margin-top:14px}
.legal th,.legal td{border:1px solid var(--line);padding:10px 12px;font-size:.88rem;text-align:left}

/* 打印时隐藏合规条 */
@media print{.consent{display:none !important}}

/* 微信二维码 */
.wechat-box .wechat-qr{width:180px;max-width:70%;margin:12px auto 8px;display:block;
                       border:1px solid var(--line);border-radius:12px;padding:8px;background:#fff}
@media print{.wechat-box{break-inside:avoid}}


/* ============================================================
   SPSEN 品牌配色（取自企业 logo：紫 #604884 / 深色 #1D1A22）
   ============================================================ */
:root {
  --bg:#FBFAFD; --bg-alt:#F3F0F7; --ink:#1D1A22; --muted:#6B6579;
  --accent:#604884; --accent-dark:#4A3767; --line:#E6E2ED;
  --shadow:0 18px 45px rgba(96,72,132,.12);
}
.brand-logo{height:30px;width:auto;display:block}
.brand-logo-footer{height:34px}
.brand .mark{background:var(--accent)}
.nav-links a:hover{color:var(--accent-dark)}
.eyebrow{color:var(--accent)}
.btn-bronze{background:var(--accent);color:#fff}
.btn-bronze:hover{background:var(--accent-dark)}
.btn-solid:hover{background:var(--accent-dark)}
.hero::before{background:linear-gradient(100deg,rgba(20,12,32,.78) 0%,rgba(24,16,38,.42) 55%,rgba(20,12,32,.10) 100%)}
.hero .eyebrow{color:#E9E2F2}
.trust{background:var(--ink);color:#E9E2F2}
.trust-item .t{color:#E9E2F2}
.cta-band{background:linear-gradient(120deg,#1D1A22,#43305E)}
.cta-band p{color:#D9D0E6}
.cta-band .eyebrow{color:#E9E2F2}
.consent{background:rgba(29,26,34,.97);color:#E9E2F2}
.consent a{color:#E9E2F2}
.filter-btn.active,.filter-btn:hover{background:var(--accent);border-color:var(--accent)}
/* 顶部品牌标语条 */
.tagline-bar{background:var(--accent);color:#fff;text-align:center;padding:10px 0;
  font-size:.8rem;letter-spacing:.10em;font-weight:600}
.tagline-bar .zh{opacity:.85;font-weight:400}
@media (max-width:640px){.tagline-bar{font-size:.68rem;letter-spacing:.02em;padding:9px 10px}}
/* 关于页完整 logo */
.about-logo{max-width:420px;width:80%;margin:0 auto;display:block}

/* 双二维码区块（WeChat + WhatsApp） */
.qr-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px;margin-top:20px}
.qr-card{text-align:center}
.qr-img{width:170px;max-width:76%;margin:12px auto 8px;display:block;
        border:1px solid var(--line);border-radius:12px;padding:8px;background:#fff}
.qr-id{font-size:.9rem}
.qr-hint{font-size:.79rem;color:var(--muted);margin-top:4px;line-height:1.55}
@media print{.qr-grid{display:grid;grid-template-columns:1fr 1fr}}