/* ============ NovaCode 前台样式 — 企业级 · 墨蓝 × 鎏金 ============ */
:root {
  --ink: #0c1726;          /* 主墨蓝 */
  --ink-2: #13243a;
  --ink-3: #1d3050;
  --gold: #c9a24b;
  --gold-d: #a8842f;
  --paper: #f6f4ef;        /* 暖纸白 */
  --white: #ffffff;
  --text: #25303f;
  --muted: #6b7686;
  --line: #e4e0d6;
  --serif: 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', 'Source Han Serif SC', serif;
  --sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Source Han Sans SC', sans-serif;
  --shadow: 0 18px 50px -18px rgba(12, 23, 38, .25);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--text); background: var(--paper); line-height: 1.7; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---- 顶栏 ---- */
.topbar { background: var(--ink); color: #93a3b8; font-size: 12.5px; border-bottom: 1px solid rgba(255,255,255,.06); }
.topbar-inner { display: flex; justify-content: space-between; padding-top: 8px; padding-bottom: 8px; gap: 12px; flex-wrap: wrap; }
.topbar .topbar-right { color: var(--gold); letter-spacing: .05em; }

/* ---- 头部 ---- */
.header { background: var(--ink); position: sticky; top: 0; z-index: 50; box-shadow: 0 6px 24px rgba(0,0,0,.25); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; background: linear-gradient(135deg, var(--gold), var(--gold-d)); color: var(--ink); font-family: var(--serif); font-weight: 900; font-size: 24px; border-radius: 4px; }
.brand-mark.small { width: 30px; height: 30px; font-size: 16px; display: inline-grid; vertical-align: middle; margin-right: 8px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { color: #fff; font-family: var(--serif); font-size: 19px; letter-spacing: .02em; }
.brand-text small { color: #8fa0b5; font-size: 11.5px; letter-spacing: .18em; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { color: #c6d0dd; font-size: 14.5px; transition: color .2s; }
.nav a:hover { color: var(--gold); }
.nav-cta { border: 1px solid var(--gold); color: var(--gold) !important; padding: 7px 18px; border-radius: 3px; letter-spacing: .06em; }
.nav-cta:hover { background: var(--gold); color: var(--ink) !important; }
.nav-toggle { display: none; background: none; border: 1px solid #3a4a61; color: #c6d0dd; font-size: 18px; padding: 4px 12px; border-radius: 4px; }

/* ---- Hero ---- */
.hero { background: radial-gradient(1100px 500px at 75% -10%, #24395c 0%, var(--ink) 55%); color: #fff; overflow: hidden; position: relative; }
.hero::after { content: 'N'; position: absolute; right: -40px; bottom: -120px; font-family: var(--serif); font-size: 480px; font-weight: 900; color: rgba(255,255,255,.025); line-height: 1; pointer-events: none; }
.hero-inner { padding: 96px 24px 72px; }
.hero-kicker { color: var(--gold); letter-spacing: .35em; font-size: 12.5px; margin-bottom: 18px; }
.hero h1 { font-family: var(--serif); font-size: clamp(34px, 5.2vw, 58px); font-weight: 900; line-height: 1.25; letter-spacing: .02em; }
.hero h1 em { font-style: normal; color: var(--gold); border-bottom: 4px solid rgba(201,162,75,.4); }
.hero-sub { color: #aab8ca; max-width: 560px; margin-top: 22px; font-size: 16.5px; }
.hero-actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 0; margin-top: 64px; border-top: 1px solid rgba(255,255,255,.12); max-width: 640px; }
.stat { padding: 22px 40px 0 0; margin-right: 40px; }
.stat strong { font-family: var(--serif); font-size: 32px; color: var(--gold); display: block; }
.stat span { color: #8fa0b5; font-size: 13px; letter-spacing: .08em; }

/* ---- 按钮 ---- */
.btn { display: inline-block; padding: 13px 32px; border-radius: 3px; font-size: 15px; font-weight: 500; letter-spacing: .08em; cursor: pointer; border: none; transition: all .2s; font-family: var(--sans); }
.btn-gold { background: linear-gradient(135deg, var(--gold), var(--gold-d)); color: var(--ink); }
.btn-gold:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-ghost { border: 1px solid rgba(255,255,255,.35); color: #fff; background: transparent; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--ink-3); }
.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

/* ---- 信任条 ---- */
.trust { background: var(--white); border-bottom: 1px solid var(--line); }
.trust-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 26px 24px; }
.trust-item { display: flex; gap: 12px; align-items: flex-start; }
.trust-item i { color: var(--gold); font-style: normal; font-size: 11px; margin-top: 7px; }
.trust-item strong { display: block; font-size: 15px; color: var(--ink); }
.trust-item span { font-size: 12.5px; color: var(--muted); }

/* ---- 区块通用 ---- */
.section { padding: 88px 0; }
.section-paper { background: var(--white); border-top: 1px solid var(--line); }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 52px; }
.section-head-left { text-align: left; margin: 0 0 24px; }
.section-kicker { color: var(--gold-d); letter-spacing: .35em; font-size: 12px; margin-bottom: 10px; }
.section h2 { font-family: var(--serif); font-size: clamp(26px, 3.4vw, 38px); font-weight: 900; color: var(--ink); }
.section-sub { color: var(--muted); margin-top: 12px; font-size: 15px; }
.product-search { max-width: 520px; margin: -24px auto 28px; }
.product-search input { width: 100%; padding: 12px 16px; border: 1px solid var(--line); border-radius: 4px; background: var(--white); font-size: 14.5px; font-family: var(--sans); color: var(--text); }
.product-search input:focus { outline: none; border-color: var(--gold); }

/* ---- 会员中心 ---- */
.member-section { padding: 64px 0; }
.member-wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; align-items: start; }
.member-copy h2 { margin-bottom: 12px; }
.member-copy-sub { color: var(--muted); max-width: 560px; }
.site-notice { margin-top: 18px; padding: 14px 16px; border-left: 3px solid var(--gold); border-radius: 4px; background: #fffdf5; color: var(--text); font-size: 14px; white-space: pre-line; }
.member-package-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.member-package-card { background: #fffdf5; border: 1px solid #efe5c8; border-radius: 6px; padding: 16px 14px; }
.member-package-card strong { display: block; font-family: var(--serif); font-size: 19px; color: var(--ink); }
.member-package-card .price { color: var(--gold-d); font-weight: 800; margin: 7px 0 8px; }
.member-package-card p { color: var(--muted); font-size: 13px; }
.member-package-card span { display: block; margin-top: 10px; color: #1d7a3e; font-size: 12.5px; font-weight: 700; }
.svip-compare { margin-top: 18px; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.svip-compare h3 { color: var(--ink); font-size: 17px; margin-bottom: 12px; }
.compare-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.compare-grid div { border: 1px solid var(--line); border-radius: 6px; padding: 12px 14px; background: #fcfbf8; }
.compare-grid strong { display: block; color: var(--ink); font-size: 14px; margin-bottom: 4px; }
.compare-grid span { color: var(--muted); font-size: 12.5px; }
.svip-compare p { margin-top: 12px; color: var(--gold-d); font-size: 13.5px; font-weight: 700; }
.member-level-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 24px; }
.member-level-card { background: #fcfbf8; border: 1px solid var(--line); border-radius: 6px; padding: 18px 16px; }
.member-level-card strong { display: block; font-family: var(--serif); font-size: 21px; color: var(--ink); }
.member-level-card .price { color: var(--gold-d); font-weight: 700; margin: 8px 0 10px; }
.member-level-card p { color: var(--muted); font-size: 13.5px; }
.member-panel { background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 24px; }
.member-tabs { display: flex; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.member-tab { padding: 9px 18px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--muted); cursor: pointer; font-family: var(--sans); }
.member-tab.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.member-panel h3 { font-family: var(--serif); color: var(--ink); font-size: 25px; margin-bottom: 6px; }
.member-panel .sub { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.member-panel .form-field { margin-bottom: 14px; }
.member-panel .form-field input { width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: 4px; font-size: 14.5px; font-family: var(--sans); }
.member-panel .form-field input:focus { outline: none; border-color: var(--gold); }
.member-panel .captcha-row { align-items: start; }
.member-panel .captcha-row .form-field { margin-bottom: 14px; }
.member-panel .captcha-refresh { width: 100%; min-height: 43px; padding: 10px 14px; letter-spacing: 0; white-space: normal; }
.member-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0; }
.member-stat { border: 1px solid var(--line); border-radius: 8px; padding: 16px 14px; background: #fcfbf8; }
.member-stat span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.member-stat strong { font-family: var(--serif); font-size: 24px; color: var(--ink); }
.member-note { border-left: 3px solid var(--gold); background: #fcfbf8; padding: 14px 16px; border-radius: 4px; color: var(--muted); font-size: 14px; margin-top: 14px; }
.member-actions { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.member-chip { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px; background: #f4eee0; color: var(--gold-d); font-size: 12.5px; font-weight: 700; letter-spacing: .06em; }
.access-line { margin-top: 10px; font-size: 13px; color: var(--gold-d); }
.save-line { margin-top: 6px; font-size: 13px; color: #1d7a3e; font-weight: 700; }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; min-height: 22px; }
.card-meta span { font-size: 12px; color: var(--muted); background: #f4f1e8; border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; }
.pd-access { margin-top: 16px; padding: 16px 18px; border-radius: 6px; border: 1px solid var(--line); background: #fcfbf8; }
.pd-access h4 { font-size: 15px; color: var(--ink); margin-bottom: 8px; }
.pd-access p { color: var(--muted); font-size: 14px; }
.pd-download-link { margin-top: 12px; }
.pd-download-link input { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 4px; font-size: 13.5px; background: #fff; color: var(--text); }
.pd-download-result { margin-top: 14px; display: grid; gap: 8px; }
.pd-download-result label { font-size: 12px; color: var(--ink); font-weight: 700; }
.pd-download-result input { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 4px; font-size: 13.5px; background: #fff; color: var(--text); }
.pd-download-line { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: stretch; }
.pd-download-line .btn { display: grid; place-items: center; padding: 9px 18px; white-space: nowrap; }

/* ---- 分类页签 ---- */
.cat-tabs { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.cat-tab { padding: 9px 24px; border: 1px solid var(--line); background: var(--white); border-radius: 999px; font-size: 14px; color: var(--muted); cursor: pointer; transition: all .2s; font-family: var(--sans); }
.cat-tab:hover { border-color: var(--gold); color: var(--gold-d); }
.cat-tab.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---- 商品卡片 ---- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card { background: var(--white); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; cursor: pointer; transition: transform .25s, box-shadow .25s; display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-media { aspect-ratio: 16/10; position: relative; overflow: hidden; background: var(--ink-2); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.product-card:hover .card-media img { transform: scale(1.05); }
.card-placeholder { width: 100%; height: 100%; display: grid; place-items: center; color: rgba(255,255,255,.9); font-family: var(--serif); font-size: 56px; font-weight: 900; }
.card-badge { position: absolute; top: 14px; left: 14px; background: var(--gold); color: var(--ink); font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 2px; letter-spacing: .06em; }
.card-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.card-cat { font-size: 12px; color: var(--gold-d); letter-spacing: .12em; margin-bottom: 6px; }
.card-title { font-family: var(--serif); font-size: 18.5px; font-weight: 700; color: var(--ink); line-height: 1.4; }
.card-tagline { font-size: 13.5px; color: var(--muted); margin-top: 6px; flex: 1; }
.card-price { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.price-usd { font-family: var(--serif); font-size: 24px; font-weight: 900; color: var(--ink); }
.price-rmb { font-size: 13.5px; color: var(--muted); }
.price-svip { font-size: 18px; color: var(--gold-d); font-weight: 800; }
.price-quote { font-family: var(--serif); font-size: 18px; font-weight: 700; color: var(--gold-d); }
.grid-empty { grid-column: 1/-1; text-align: center; color: var(--muted); padding: 60px 0; }

/* ---- 流程(深色) ---- */
.section-dark { background: var(--ink); }
.section-dark h2 { color: #fff; }
.section-dark .section-sub { color: #8fa0b5; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step { border: 1px solid rgba(255,255,255,.1); border-radius: 6px; padding: 30px 26px; background: rgba(255,255,255,.025); transition: border-color .25s; }
.process-step:hover { border-color: var(--gold); }
.step-no { font-family: var(--serif); font-size: 30px; font-weight: 900; color: var(--gold); display: block; margin-bottom: 14px; }
.process-step h3 { color: #fff; font-size: 17px; margin-bottom: 8px; font-weight: 700; }
.process-step p { color: #8fa0b5; font-size: 13.5px; }

/* ---- 定制需求 ---- */
.custom-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; }
.custom-info h2 { font-family: var(--serif); font-size: clamp(26px, 3vw, 34px); font-weight: 900; color: var(--ink); margin: 8px 0 18px; }
.custom-info > p { color: var(--muted); font-size: 15px; }
.custom-points { list-style: none; margin-top: 26px; }
.custom-points li { padding: 12px 0 12px 28px; border-bottom: 1px solid var(--line); position: relative; font-size: 14.5px; }
.custom-points li::before { content: '◆'; position: absolute; left: 2px; color: var(--gold); font-size: 10px; top: 17px; }
.custom-contact { margin-top: 26px; font-size: 14px; color: var(--ink); background: var(--white); border: 1px solid var(--line); border-left: 3px solid var(--gold); padding: 14px 18px; border-radius: 4px; }
.inquiry-form { background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 36px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13px; font-weight: 500; color: var(--ink); margin-bottom: 7px; letter-spacing: .03em; }
.form-field input, .form-field select, .form-field textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: 4px; font-size: 14.5px; font-family: var(--sans); background: #fcfbf8; color: var(--text); transition: border .2s; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--gold); background: #fff; }
.form-field textarea { resize: vertical; }
.form-field input[type=file] { padding: 9px; font-size: 13px; }
.form-msg { margin-top: 14px; font-size: 14px; text-align: center; min-height: 20px; }
.form-msg.ok { color: #1d7a3e; }
.form-msg.err { color: #b3261e; }

/* ---- 进度查询 ---- */
.track-wrap { max-width: 720px; }
.track-form { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.track-form input { flex: 1; min-width: 200px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 4px; font-size: 14.5px; font-family: var(--sans); }
.track-form input:focus { outline: none; border-color: var(--gold); }
.track-result { margin-top: 28px; }
.track-card { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 26px 30px; }
.track-card h3 { font-family: var(--serif); color: var(--ink); margin-bottom: 4px; }
.track-status { display: inline-block; font-size: 12.5px; font-weight: 700; padding: 3px 14px; border-radius: 999px; margin: 8px 0 14px; }
.st-待报价 { background: #fff3d6; color: #92670a; }
.st-已报价 { background: #e3edff; color: #1c4fa0; }
.st-已成交 { background: #ddf3e4; color: #1d7a3e; }
.st-已关闭 { background: #eee; color: #777; }
.track-quote { background: var(--white); border-left: 3px solid var(--gold); padding: 14px 18px; border-radius: 4px; margin-top: 10px; }
.track-quote strong { font-family: var(--serif); font-size: 22px; color: var(--ink); }
.track-err { color: #b3261e; text-align: center; }

/* ---- 页脚 ---- */
.footer { background: var(--ink); color: #8fa0b5; padding: 48px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer strong { color: #fff; font-family: var(--serif); font-size: 17px; }
.footer-contact { font-size: 13px; margin-top: 12px; }
.footer-note { font-size: 12.5px; max-width: 460px; text-align: right; }

/* ---- 弹窗 ---- */
.modal { position: fixed; inset: 0; z-index: 100; display: none; }
.modal.open { display: block; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(8, 14, 24, .72); backdrop-filter: blur(3px); }
.modal-card { position: relative; max-width: 880px; margin: 5vh auto; background: var(--white); border-radius: 10px; max-height: 90vh; overflow-y: auto; box-shadow: 0 40px 120px rgba(0,0,0,.5); }
.modal-close { position: absolute; top: 14px; right: 16px; z-index: 2; width: 38px; height: 38px; border-radius: 50%; border: none; background: rgba(12,23,38,.65); color: #fff; font-size: 20px; cursor: pointer; }
.pd-gallery { background: var(--ink-2); }
.pd-main-img { aspect-ratio: 16/8.5; }
.pd-main-img img { width: 100%; height: 100%; object-fit: cover; }
.pd-thumbs { display: flex; gap: 8px; padding: 10px; }
.pd-thumbs img { width: 72px; height: 48px; object-fit: cover; border-radius: 3px; cursor: pointer; opacity: .55; border: 2px solid transparent; }
.pd-thumbs img.active { opacity: 1; border-color: var(--gold); }
.pd-body { padding: 34px 40px 40px; }
.pd-cat { font-size: 12.5px; color: var(--gold-d); letter-spacing: .15em; }
.pd-body h2 { font-family: var(--serif); font-size: 27px; color: var(--ink); margin: 6px 0 4px; }
.pd-tagline { color: var(--muted); }
.pd-price-row { display: flex; align-items: baseline; gap: 14px; margin: 20px 0; padding: 18px 22px; background: var(--paper); border-radius: 6px; border: 1px solid var(--line); flex-wrap: wrap; }
.pd-price-row .price-usd { font-size: 32px; }
.pd-member-price { margin-top: -8px; color: var(--gold-d); font-size: 15px; }
.pd-member-price strong { font-family: var(--serif); font-size: 22px; color: var(--ink); }
.pd-member-price span { margin-left: 10px; color: #1d7a3e; font-weight: 700; }
.pd-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 18px 0; }
.pd-meta div { border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; background: #fcfbf8; }
.pd-meta dt { color: var(--muted); font-size: 12px; }
.pd-meta dd { color: var(--ink); font-weight: 700; margin-top: 2px; }
.pd-features { list-style: none; margin: 18px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; }
.pd-features li { padding-left: 24px; position: relative; font-size: 14.5px; }
.pd-features li::before { content: '✓'; position: absolute; left: 0; color: var(--gold-d); font-weight: 700; }
.pd-desc { color: var(--text); font-size: 15px; white-space: pre-line; border-top: 1px solid var(--line); padding-top: 18px; margin-top: 6px; }
.pd-update { margin-top: 16px; padding: 14px 16px; border: 1px solid #efe5c8; border-radius: 6px; background: #fffdf5; }
.pd-update h4 { color: var(--ink); font-size: 15px; margin-bottom: 6px; }
.pd-update p { color: var(--muted); font-size: 14px; white-space: pre-line; }
.pd-cta { margin-top: 26px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- Telegram ---- */
.pd-tg-hint { margin-top: 12px; font-size: 13px; color: var(--muted); }
.tg-float { position: fixed; right: 22px; bottom: 22px; z-index: 80; display: flex; align-items: center; gap: 8px; background: linear-gradient(135deg, var(--gold), var(--gold-d)); color: var(--ink); font-weight: 700; font-size: 14px; padding: 13px 20px; border-radius: 999px; box-shadow: 0 12px 36px rgba(12,23,38,.35); transition: transform .2s; }
.tg-float:hover { transform: translateY(-3px); }
@media (max-width: 640px) { .tg-float span { display: none; } .tg-float { padding: 14px 16px; } }

/* ---- 响应式 ---- */
@media (max-width: 960px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid, .trust-inner { grid-template-columns: repeat(2, 1fr); }
  .custom-wrap { grid-template-columns: 1fr; gap: 40px; }
  .pd-features { grid-template-columns: 1fr; }
  .member-wrap, .member-level-grid, .member-package-grid, .compare-grid, .pd-meta { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--ink); flex-direction: column; padding: 18px 24px 26px; gap: 18px; border-top: 1px solid rgba(255,255,255,.08); }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .product-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .hero-stats { flex-wrap: wrap; }
  .stat { padding-right: 24px; margin-right: 12px; }
  .footer-note { text-align: left; }
  .inquiry-form { padding: 24px 20px; }
  .pd-body { padding: 26px 22px 30px; }
  .member-panel { padding: 24px 20px; }
  .member-stats { grid-template-columns: 1fr; }
}