/* ============================================================
   装饰画官网前台样式 —— 高端画廊风
   配色：暖白 / 墨褐 / 陶土点缀
   ============================================================ */
:root {
    --bg: #faf8f5;
    --bg-alt: #f2ede6;
    --ink: #2d2a26;
    --ink-soft: #6b655d;
    --line: #e4ddd3;
    --accent: #b08968;
    --accent-dark: #8f6c4d;
    --white: #fff;
    --radius: 10px;
    --shadow: 0 6px 24px rgba(45, 42, 38, .08);
    --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
    --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--bg); color: var(--ink); line-height: 1.7; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1680px; margin: 0 auto; padding: 0 36px; }
.center { text-align: center; margin-top: 32px; }
.muted { color: var(--ink-soft); }
.empty { text-align: center; padding: 60px 0; color: var(--ink-soft); }

/* ---------- 顶部导航 ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(250, 248, 245, .92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--ink); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-serif); font-size: 20px;
}
.logo-text { font-family: var(--font-serif); font-size: 28px; font-weight: 900; letter-spacing: 3px; line-height: 1.1; border-bottom: 2px solid var(--accent); padding-bottom: 5px; }
.logo-img { height: 42px; width: auto; display: block; }
.logo-txt { display: flex; flex-direction: column; line-height: 1.2; }
.logo-slogan { font-size: 11px; letter-spacing: 3px; color: var(--accent-dark); margin-top: 7px; font-weight: 500; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { font-size: 15px; color: var(--ink-soft); transition: color .2s; position: relative; line-height: 1; }
.main-nav a:hover { color: var(--ink); }
.main-nav a::after {
    content: ""; position: absolute; left: 0; bottom: -4px;
    width: 0; height: 2px; background: var(--accent); transition: width .25s;
}
.main-nav a:hover::after { width: 100%; }
.nav-drop { position: relative; }
.drop-toggle { font-size: 15px; line-height: 1; }
.drop-toggle .caret { display: inline-block; font-size: 10px; color: var(--ink-soft); margin-left: 3px; vertical-align: middle; }
.dropdown {
    position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    background: #fff; border: 1px solid var(--line); border-radius: 10px;
    padding: 8px; min-width: 160px; box-shadow: var(--shadow);
    opacity: 0; visibility: hidden; transition: all .2s; z-index: 120;
}
.nav-drop:hover .dropdown { opacity: 1; visibility: visible; }
.dropdown a { display: block; padding: 9px 16px; font-size: 14px; white-space: nowrap; }
.dropdown a::after { display: none; }
.dropdown a:hover { background: var(--bg); color: var(--accent-dark); }
/* 三级下拉 */
.sub-item { position: relative; }
.sub-item > a { display: block; padding: 9px 16px; font-size: 14px; white-space: nowrap; color: var(--ink); }
.sub-item > a::after { display: none; }
.sub-item > a:hover { background: var(--bg); color: var(--accent-dark); }
.submenu { position: absolute; left: 100%; top: -8px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 8px; min-width: 170px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transition: .2s; z-index: 130; }
.sub-item:hover .submenu { opacity: 1; visibility: visible; }
.submenu .sub-link { display: block; padding: 8px 14px; font-size: 13px; white-space: nowrap; }
.submenu .sub-link:hover { background: var(--bg); color: var(--accent-dark); }
.nav-toggle { display: none; background: none; border: 0; font-size: 24px; cursor: pointer; }
.lang-switch a {
    font-size: 13px; color: var(--ink-soft); border: 1px solid var(--line);
    padding: 5px 14px; border-radius: 20px; transition: all .2s;
}
.lang-switch a:hover { border-color: var(--accent); color: var(--accent-dark); }
.article-row-wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }

/* ---------- 灵感画廊（大图卡片，链接分类） ---------- */
.gallery-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
}
.gallery-item {
    display: block; border-radius: var(--radius); overflow: hidden; background: #fff;
    box-shadow: 0 8px 26px rgba(45,42,38,.09); transition: transform .3s, box-shadow .3s;
    text-decoration: none;
}
.gallery-item:hover { transform: translateY(-8px); box-shadow: 0 16px 40px rgba(45,42,38,.16); }
.gallery-item img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; transition: transform .5s; }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-cap {
    display: flex; flex-direction: column; align-items: center; gap: 5px;
    padding: 16px; font-family: var(--font-serif); background: #fff;
}
.g-cap-name { font-size: 18px; letter-spacing: 3px; color: var(--ink); font-weight: 600; }
.g-cap-tag { font-size: 12px; letter-spacing: 1px; color: var(--ink-soft); }
.gallery-item:hover .gallery-cap { color: var(--accent-dark); }

/* ---------- Hero（全屏满幅艺术大图） ---------- */
.hero {
    background: linear-gradient(rgba(250, 248, 245, .36), rgba(250, 248, 245, .24)), url('/assets/img/artwork/hero.webp') center/cover no-repeat;
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    padding: 140px 0; text-align: center; position: relative; overflow: hidden;
}
.hero-eyebrow { letter-spacing: 6px; font-size: 20px; color: var(--accent-dark); margin-bottom: 24px; font-weight: 500; display: flex; align-items: center; justify-content: center; gap: 18px; }
.hero-eyebrow::before, .hero-eyebrow::after { content: ""; display: block; width: 80px; height: 1px; background: rgba(176,137,104,.55); }
.hero-title { font-family: var(--font-serif); font-size: 58px; font-weight: 600; letter-spacing: 8px; margin-bottom: 16px; line-height: 1.3; }
.hero-sub { color: var(--ink-soft); font-size: 20px; font-weight: 500; letter-spacing: 2px; margin-bottom: 42px; }
/* 品牌优势条 */
.adv-strip { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.adv-inner { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; padding: 30px 0; }
.adv-item { display: flex; align-items: center; gap: 12px; justify-content: center; }
.adv-ico { font-size: 26px; }
.adv-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 2px; }
.adv-item p { font-size: 12px; color: var(--ink-soft); margin: 0; }
@media (max-width: 768px) { .adv-inner { grid-template-columns: repeat(2, 1fr); gap: 14px; } }
/* 首页品牌理念文案 */
.home-lead-sec { padding: 40px 0; }
.home-lead { max-width: 900px; margin: 0 auto; text-align: center; }
.home-lead h2 { font-family: var(--font-serif); font-size: 30px; margin-bottom: 16px; }
.home-lead p { font-size: 15px; color: var(--ink-soft); line-height: 1.9; margin-bottom: 12px; }
.home-lead strong { color: var(--accent-dark); }
.hero-actions { display: flex; gap: 16px; justify-content: center; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-block; padding: 12px 28px; border-radius: 40px;
    font-size: 15px; cursor: pointer; border: 1px solid transparent;
    transition: all .25s; text-align: center;
}
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-wechat { background: #07c160; color: #fff; }
.btn-wechat:hover { opacity: .9; transform: translateY(-2px); }
.btn-taobao { background: #ff5000; color: #fff; }
.btn-pdd { background: #e02e24; color: #fff; }
.btn-douyin { background: #161823; color: #fff; }
.btn-taobao:hover, .btn-pdd:hover, .btn-douyin:hover { opacity: .9; transform: translateY(-2px); }

/* ---------- 区块 ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-family: var(--font-serif); font-size: 32px; text-align: center; letter-spacing: 4px; margin-bottom: 8px; }
.section-sub { text-align: center; color: var(--ink-soft); margin-bottom: 44px; }

/* ---------- 风格 chips ---------- */
.style-chips { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.style-chip {
    padding: 12px 26px; border: 1px solid var(--line); border-radius: 40px;
    background: #fff; display: flex; flex-direction: column; align-items: center;
    font-size: 15px; transition: all .25s;
}
.style-chip span { font-size: 12px; color: var(--ink-soft); }
.style-chip:hover { border-color: var(--accent); color: var(--accent-dark); transform: translateY(-2px); box-shadow: var(--shadow); }

/* ---------- 产品栅格 ---------- */
.product-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.product-card {
    background: #fff; border-radius: var(--radius); overflow: hidden;
    box-shadow: 0 2px 10px rgba(45,42,38,.05); transition: all .3s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-img { aspect-ratio: 3/4; overflow: hidden; background: var(--bg-alt); }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.product-card:hover .card-img img { transform: scale(1.06); }
.card-body { padding: 16px 18px 20px; }
.card-brand { font-size: 12px; color: var(--accent-dark); letter-spacing: 1px; }
.card-title { font-family: var(--font-serif); font-size: 16px; margin: 4px 0 8px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.card-tag { font-size: 12px; color: var(--ink-soft); background: var(--bg); padding: 2px 10px; border-radius: 20px; }
.card-price { margin-top: 10px; font-size: 17px; font-weight: 600; color: var(--accent-dark); }

/* ---------- 品牌 ---------- */
.brand-row { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.brand-item {
    padding: 18px 34px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    font-family: var(--font-serif); font-size: 18px; letter-spacing: 2px; transition: all .25s;
}
.brand-item:hover { border-color: var(--accent); color: var(--accent-dark); transform: translateY(-2px); }
.brand-block { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; margin-bottom: 24px; background: #fff; }
.brand-block-head h2 { font-family: var(--font-serif); font-size: 24px; margin-bottom: 8px; }
.main-badge { font-size: 12px; background: var(--accent); color: #fff; padding: 2px 10px; border-radius: 20px; vertical-align: middle; }

/* ---------- 页面头 ---------- */
.page-head { background: var(--bg-alt); padding: 48px 0 40px; }
.page-head h1 { font-family: var(--font-serif); font-size: 34px; letter-spacing: 3px; margin: 12px 0 6px; }
.page-head p { color: var(--ink-soft); }
.breadcrumb { font-size: 13px; color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--accent-dark); }

/* ---------- 详情页 ---------- */
.detail-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.detail-gallery { position: sticky; top: 96px; }
.gallery-main { border-radius: var(--radius); overflow: hidden; background: #fff; }
.gallery-main img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 10px; margin-top: 10px; }
.gallery-thumbs img { width: 72px; height: 96px; object-fit: cover; border-radius: 6px; cursor: pointer; border: 2px solid transparent; }
.gallery-thumbs img.active, .gallery-thumbs img:hover { border-color: var(--accent); }
.detail-brand a { color: var(--accent-dark); font-size: 14px; letter-spacing: 1px; }
.detail-title { font-family: var(--font-serif); font-size: 28px; margin: 8px 0 10px; }
.detail-sub { color: var(--ink-soft); }
.detail-point { color: var(--accent-dark); margin: 8px 0; }
.spec-table { width: 100%; margin: 20px 0; border-collapse: collapse; }
.spec-table th, .spec-table td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; font-size: 14px; }
.spec-table th { width: 110px; color: var(--ink-soft); font-weight: 400; }
.sku-select h3, .detail-desc h3 { font-size: 15px; margin-bottom: 12px; }
.sku-list { display: flex; flex-wrap: wrap; gap: 10px; }
.sku-item {
    border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px;
    display: flex; flex-direction: column; background: #fff; font-size: 13px;
}
.sku-price { color: var(--accent-dark); font-weight: 600; }
.buy-zone { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }
.detail-desc { margin-top: 28px; }
.desc-body { color: var(--ink-soft); font-size: 15px; }

/* ---------- 文章 ---------- */
.article-row {
    display: flex; gap: 20px; padding: 18px; background: #fff;
    border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 14px; transition: all .25s;
}
.article-row:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.article-row img { width: 120px; height: 90px; object-fit: cover; border-radius: 6px; }
.article-row h3 { font-family: var(--font-serif); font-size: 18px; margin-bottom: 6px; }
.article-row p { color: var(--ink-soft); font-size: 14px; }
.article-row .meta { font-size: 12px; color: var(--ink-soft); }
.article-mini { display: block; background: #fff; padding: 20px; border-radius: var(--radius); border: 1px solid var(--line); }
.article-mini h3 { font-family: var(--font-serif); font-size: 16px; margin-bottom: 6px; }
.article-mini p { font-size: 13px; color: var(--ink-soft); }
.article-row { flex-wrap: wrap; }
.article-body { max-width: 860px; }
.article-body article { background: #fff; padding: 40px; border-radius: var(--radius); border: 1px solid var(--line); font-size: 16px; }
.article-body h2, .article-body h3 { font-family: var(--font-serif); margin: 20px 0 10px; }
.article-body p { margin: 12px 0; }
.article-body img { border-radius: 8px; margin: 12px 0; }
.article-cta { margin-top: 24px; padding: 20px; background: var(--bg-alt); border-radius: var(--radius); text-align: center; }
.article-cover { margin: 0 0 26px; }
.article-cover img { width: 100%; height: auto; border-radius: 12px; display: block; }
.article-body { max-width: 860px; margin: 0 auto; }
.article-body figure { margin: 24px 0; }
.article-body figure img { width: 100%; height: auto; border-radius: 12px; }
.article-body figcaption { text-align: center; font-size: 13px; color: var(--ink-soft); margin-top: 8px; }
.article-body h2 { margin-top: 32px; }
.factory-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 24px 0; }
.factory-gallery img { width: 100%; border-radius: 10px; aspect-ratio: 4/3; object-fit: cover; }

/* ============================================================
   画册 v2（QQ 相册式）—— 作品封面墙 / 系列筛选 / 作品相册
   ============================================================ */
.page-sub { color: var(--ink-soft); font-size: 15px; margin-top: 8px; }

/* 系列筛选 chip */
.alb-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 0 0 30px; }
.alb-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 18px; border: 1px solid var(--line); border-radius: 30px;
    background: #fff; font-size: 14px; color: var(--ink); transition: all .22s; white-space: nowrap;
}
.alb-chip span { font-size: 12px; color: var(--ink-soft); }
.alb-chip:hover { border-color: var(--accent); color: var(--accent-dark); transform: translateY(-2px); }
.alb-chip.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.alb-chip.active span { color: rgba(255,255,255,.7); }

/* 说明文案 */
.alb-lead { text-align: center; color: var(--ink-soft); font-size: 15px; line-height: 1.9; margin: 0 auto 28px; max-width: 760px; }
.alb-count { text-align: center; color: var(--ink-soft); font-size: 14px; margin-top: 24px; }
.alb-h2 { font-family: var(--font-serif); font-size: 24px; letter-spacing: 3px; text-align: center; margin: 52px 0 26px; }

/* 作品卡片墙 */
.alb-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* 系列概览（首页顶部，方便一眼看全所有系列） */
.alb-series { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin: 0 0 10px; }
.alb-series-item {
    display: block; position: relative; border-radius: var(--radius); overflow: hidden;
    aspect-ratio: 4/3; text-decoration: none; background: var(--bg-alt);
    box-shadow: 0 2px 10px rgba(45,42,38,.06); transition: transform .3s, box-shadow .3s;
}
.alb-series-item:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.alb-series-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s; }
.alb-series-item:hover img { transform: scale(1.06); }
.asi-txt {
    position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 14px 12px;
    background: linear-gradient(rgba(0,0,0,0), rgba(0,0,0,.68));
    color: #fff; display: flex; flex-direction: column; gap: 2px;
}
.asi-txt b { font-family: var(--font-serif); font-size: 16px; letter-spacing: 1px; }
.asi-txt span { font-size: 12px; color: rgba(255,255,255,.8); }
.alb-h2-top { margin-top: 6px; }
@media (max-width: 1200px) {
    .alb-series { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) { .alb-series { grid-template-columns: repeat(2, 1fr); gap: 10px; } .asi-txt { padding: 18px 10px 8px; } .asi-txt b { font-size: 14px; } }
.alb-card {
    display: block; background: #fff; border-radius: var(--radius); overflow: hidden;
    box-shadow: 0 2px 10px rgba(45,42,38,.05); transition: all .3s; text-decoration: none;
}
.alb-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.alb-card-img { position: relative; aspect-ratio: 1/1; overflow: hidden; background: var(--bg-alt); }
.alb-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; display: block; }
.alb-card:hover .alb-card-img img { transform: scale(1.05); }
.alb-card-badge {
    position: absolute; right: 10px; bottom: 10px;
    background: rgba(30,28,25,.7); color: #fff; font-size: 12px;
    padding: 3px 10px; border-radius: 20px; letter-spacing: .5px;
}
.alb-card-txt { padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; }
.alb-card-txt b { font-family: var(--font-serif); font-size: 16px; letter-spacing: 1px; color: var(--ink); }
.alb-card-txt span { font-size: 12px; color: var(--ink-soft); }

/* 作品页元信息 */
.alb-meta { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin: 4px 0 18px; }
.alb-tag { display: inline-block; padding: 5px 15px; background: var(--bg-alt); border-radius: 20px; font-size: 13px; color: var(--ink-soft); }
.alb-cta { margin: 44px 0 0; padding: 30px; background: var(--bg-alt); border-radius: var(--radius); text-align: center; }
.alb-cta p { margin-bottom: 16px; color: var(--ink); font-size: 15px; }

@media (max-width: 1200px) { .alb-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) {
    .alb-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .alb-card-txt { padding: 10px 12px; }
    .alb-card-txt b { font-size: 14px; }
    .alb-chips { gap: 8px; }
    .alb-chip { padding: 7px 14px; font-size: 13px; }
}
.honor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin: 24px 0; }
.honor-item { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 10px; padding: 22px 16px; text-align: center; font-weight: 700; }
.honor-badge { display: inline-block; background: var(--accent); color: #fff; padding: 8px 20px; border-radius: 999px; font-weight: 700; margin-top: 8px; }
.mid-muted { color: var(--ink-soft); font-size: 15px; margin-top: 16px; }

/* ---------- 关于/联系 ---------- */
.about-body { max-width: 1280px; }
.about-body h2 { font-family: var(--font-serif); font-size: 26px; margin-bottom: 16px; }
.about-body p { margin-bottom: 14px; }
.about-body .lead { font-size: 17px; font-weight: 500; color: var(--ink); }
.about-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 22px 0; }
.about-point { background: var(--bg-alt); border-radius: var(--radius); padding: 22px; }
.about-point h3 { font-family: var(--font-serif); font-size: 16px; margin-bottom: 8px; }
.about-point p { font-size: 14px; color: var(--ink-soft); margin: 0; }
.about-body .cta { margin-top: 20px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
/* 定制服务 步骤 */
.steps { display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; margin: 22px 0; }
.step { background: var(--bg-alt); border-radius: var(--radius); padding: 18px; text-align: center; }
.step-num { display: inline-flex; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; align-items: center; justify-content: center; font-size: 14px; margin-bottom: 8px; }
.step h3 { font-size: 15px; margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--ink-soft); margin: 0; }
.custom-ul { margin: 0 0 20px; padding-left: 20px; }
.custom-ul li { margin-bottom: 8px; }
/* FAQ */
.faq-wrap { max-width: 900px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { padding: 16px 0; cursor: pointer; font-size: 16px; font-weight: 500; list-style: none; position: relative; padding-left: 22px; }
.faq-item summary::before { content: "▸"; position: absolute; left: 0; color: var(--accent-dark); }
.faq-item details[open] summary::before { content: "▾"; }
.faq-item details p { padding: 0 0 16px; color: var(--ink-soft); }
/* 售后服务 */
.service-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; margin: 20px 0; }
.service-item { background: var(--bg-alt); border-radius: var(--radius); padding: 22px; }
.service-item h3 { font-size: 16px; margin-bottom: 8px; }
.service-item p { margin: 0; color: var(--ink-soft); font-size: 14px; }
@media (max-width: 768px) { .steps { grid-template-columns: 1fr; } .service-grid { grid-template-columns: 1fr; } }
/* ---------- 视频模块 ---------- */
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.video-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: 0 4px 16px rgba(45,42,38,.07); cursor: pointer; transition: transform .3s; }
.video-card:hover { transform: translateY(-6px); }
.video-cover { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--bg-alt); }
.video-cover img { width: 100%; height: 100%; object-fit: cover; }
.v-placeholder { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--ink-soft); font-family: var(--font-serif); letter-spacing: 2px; }
.play-btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 52px; height: 52px; border-radius: 50%; background: rgba(0,0,0,.55); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.video-body { padding: 14px 16px; }
.video-body h3 { font-size: 15px; font-family: var(--font-serif); margin-bottom: 4px; }
.video-body p { font-size: 13px; color: var(--ink-soft); }
.video-modal { position: fixed; inset: 0; background: rgba(0,0,0,.75); display: none; align-items: center; justify-content: center; z-index: 999; }
.video-modal.open { display: flex; }
.modal-box { position: relative; width: min(860px, 92vw); background: #000; border-radius: 10px; overflow: hidden; }
.modal-box video, .modal-box iframe { width: 100%; aspect-ratio: 16/9; border: 0; display: block; }
.modal-close { position: absolute; top: 8px; right: 12px; background: rgba(255,255,255,.9); border: 0; border-radius: 50%; width: 34px; height: 34px; font-size: 20px; cursor: pointer; z-index: 2; }
@media (max-width: 768px) { .video-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; } }
/* ---------- 产品筛选栏 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 30px; }
.filter-chip { padding: 8px 18px; border: 1px solid var(--line); border-radius: 30px; background: #fff; font-size: 14px; color: var(--ink); transition: all .2s; }
.filter-chip:hover { border-color: var(--accent); color: var(--accent-dark); }
.filter-chip.active { background: var(--ink); color: #fff; border-color: var(--ink); }
/* 多维筛选面板 */
.filter-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 30px; }
.filter-row { display: flex; align-items: flex-start; gap: 12px; padding: 8px 0; border-bottom: 1px solid #f3eeE7; }
.filter-row:last-child { border-bottom: 0; }
.f-label { color: var(--ink-soft); font-size: 14px; white-space: nowrap; padding-top: 6px; min-width: 50px; }
.f-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.f-chip { border: 1px solid var(--line); background: #fff; border-radius: 24px; padding: 5px 14px; font-size: 13px; cursor: pointer; transition: all .18s; }
.f-chip:hover { border-color: var(--accent); color: var(--accent-dark); }
.f-chip.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.f-clear { color: var(--ink-soft); }
/* ---------- 客户案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 20px 0; }
/* 案例详情：图卡（图+对应描述） */
.case-detail { max-width: 940px; margin: 0 auto; }
.case-sub { color: var(--ink-soft); font-size: 14px; margin-top: 6px; }
.case-insp { margin-top: 10px; padding: 12px 16px; background: var(--bg-alt); border-left: 3px solid var(--accent); border-radius: 6px; color: var(--ink-soft); font-family: var(--font-serif); font-size: 15px; letter-spacing: 1px; }
.case-figures { display: flex; flex-direction: column; gap: 24px; margin: 22px 0; }
.case-figure { border-radius: var(--radius); overflow: hidden; background: #fff; border: 1px solid var(--line); }
.case-figure img { width: 100%; display: block; }
.case-figure figcaption { padding: 14px 18px; font-size: 14px; color: var(--ink-soft); line-height: 1.8; }
.case-figure figcaption strong { color: var(--accent-dark); }
.case-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.case-img { aspect-ratio: 4/3; }
.case-body { padding: 16px; }
.case-body h3 { font-family: var(--font-serif); font-size: 16px; margin-bottom: 6px; }
.case-body p { font-size: 13px; color: var(--ink-soft); margin: 0; }
@media (max-width: 768px) { .case-grid { grid-template-columns: 1fr; } }
/* ---------- 画册 ---------- */
.album-tabs { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 28px; }
.album-tab { padding: 8px 20px; border: 1px solid var(--line); border-radius: 30px; background: #fff; cursor: pointer; font-size: 14px; transition: all .2s; color: var(--ink); text-decoration: none; display: inline-block; }
.album-tab.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.album-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.album-item { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 1/1; cursor: pointer; }
.album-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.album-item:hover img { transform: scale(1.05); }
.album-hover { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,.25); opacity: 0; transition: .3s; font-size: 22px; }
.album-item:hover .album-hover { opacity: 1; }
.album-lightbox { position: fixed; inset: 0; background: rgba(0,0,0,.85); display: none; align-items: center; justify-content: center; z-index: 1000; flex-direction: column; gap: 12px; }
.album-lightbox.open { display: flex; }
.album-lightbox img { max-width: 88vw; max-height: 82vh; border-radius: 6px; }
.lbox-close { position: absolute; top: 16px; right: 24px; background: rgba(255,255,255,.9); border: 0; border-radius: 50%; width: 40px; height: 40px; font-size: 24px; cursor: pointer; }
.lbox-title { color: #fff; font-size: 16px; }
.album-pager { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 30px; }
.album-pager a { padding: 7px 13px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink-soft); text-decoration: none; font-size: 13px; }
.album-pager a:hover { border-color: var(--accent); color: var(--accent-dark); }
.album-pager a.cur { background: var(--ink); color: #fff; border-color: var(--ink); }
@media (max-width: 768px) { .album-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; } }
.qr-inline { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.qr-inline img { width: 140px; height: 140px; border: 1px solid var(--line); border-radius: 8px; object-fit: cover; }
.qr-inline span { font-size: 12px; color: var(--ink-soft); }
.qr-row { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 22px; }
.qr-row .qr-inline img { width: 150px; height: 150px; }
.contact-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
@media (max-width: 768px) { .about-points { grid-template-columns: 1fr; } }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 20px 0; }
.contact-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; text-align: center; }
.contact-item h3 { font-size: 14px; color: var(--ink-soft); margin-bottom: 8px; }
.contact-item p { font-size: 18px; font-weight: 600; }

/* ---------- 页脚 ---------- */
.site-footer { background: #211f1c; color: #b8b2a8; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2.4fr 1fr 1.4fr; gap: 40px; padding: 56px 24px; }
.footer-col h4 { color: #fff; font-family: var(--font-serif); letter-spacing: 2px; margin-bottom: 16px; font-size: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-logo img { height: 32px; width: auto; }
.footer-logo span { color: #fff; font-family: var(--font-serif); font-size: 18px; letter-spacing: 2px; }
.footer-about { font-size: 13px; color: #8f8a80; line-height: 1.7; }
.footer-qr { display: flex; gap: 10px; }
.footer-qr img { width: 90px; height: 90px; border-radius: 6px; object-fit: cover; }
/* 页脚天猫旗舰店入口（适度大小） */
.footer-tmall { margin-top: 14px; padding: 12px 15px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; max-width: 236px; }
.ft-head { display: flex; align-items: center; gap: 7px; color: #fff; font-weight: 600; font-size: 13px; text-decoration: none; margin-bottom: 10px; letter-spacing: 1px; }
.ft-logo { width: 24px; height: 24px; border-radius: 5px; }
.ft-arrow { color: #ff6600; font-size: 14px; }
.ft-body { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.ft-qr { width: 62px; height: 62px; border-radius: 5px; object-fit: contain; }
.ft-body span { font-size: 12px; color: #b8b2a6; line-height: 1.5; }
.ft-btn { display: inline-block; padding: 6px 16px; background: #ff6600; color: #fff; border-radius: 6px; font-size: 13px; text-decoration: none; transition: .2s; }
.ft-btn:hover { background: #e65c00; }
.footer-bottom { border-top: 1px solid #33302c; padding: 18px 0; font-size: 13px; text-align: center; }
.footer-bottom .container { display: block; line-height: 1.9; }
.gongan-link { display: inline-flex; align-items: center; gap: 4px; vertical-align: middle; color: inherit; }
.gongan-ico { width: 14px; height: 14px; display: inline-block; vertical-align: middle; }
/* ---------- 右侧悬浮栏 ---------- */
.side-bars { position: fixed; right: 14px; top: 50%; transform: translateY(-50%); z-index: 900; display: flex; flex-direction: column; gap: 10px; }
.side-btn { position: relative; width: 46px; height: 46px; border-radius: 50%; background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.15); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; color: var(--ink); cursor: pointer; text-decoration: none; transition: transform .2s; }
.side-btn .sb-ico { font-size: 18px; line-height: 1; }
.side-btn .sb-txt { font-size: 9px; color: var(--ink-soft); }
.side-tel, .side-tel .sb-txt { background: var(--accent); color: #fff; }
.side-tel:hover { transform: translateX(-4px); }
.side-btn:hover .sb-ico { transform: none; }
.side-btn .sb-pop { position: absolute; right: 56px; top: 50%; transform: translateY(-50%); background: #fff; border-radius: 8px; padding: 8px; box-shadow: 0 4px 16px rgba(0,0,0,.18); opacity: 0; visibility: hidden; transition: .25s; width: 132px; }
.side-btn:hover .sb-pop { opacity: 1; visibility: visible; }
.side-btn.open .sb-pop { opacity: 1; visibility: visible; }
.sb-pop-num { text-align: center; display: flex; flex-direction: column; gap: 6px; padding: 10px 12px; }
.sb-pop-num b { font-size: 15px; color: var(--ink); white-space: nowrap; }
.sb-call { display: block; padding: 6px 14px; background: var(--accent); color: #fff; border-radius: 6px; font-size: 12px; text-decoration: none; text-align: center; }
.side-btn .sb-pop img { width: 116px; height: 116px; display: block; object-fit: contain; }
.side-top { opacity: .85; }
@media (max-width: 768px) { .side-bars { right: 8px; } .side-btn { width: 40px; height: 40px; } .side-btn .sb-txt { font-size: 8px; } .side-btn .sb-pop img { width: 96px; height: 96px; } }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .detail-layout { grid-template-columns: 1fr; }
    .detail-gallery { position: static; }
}
@media (max-width: 768px) {
    .hero-title { font-size: 34px; }
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .main-nav {
        display: none; position: absolute; top: 72px; left: 0; right: 0;
        background: #fff; flex-direction: column; padding: 16px 24px;
        border-bottom: 1px solid var(--line); gap: 16px;
    }
    .main-nav.open { display: flex; }
    .nav-toggle { display: block; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; padding: 40px 24px; }
    .section { padding: 48px 0; }
    .article-body article { padding: 24px; }
}

/* ============================================================
   源头工厂 / 资质荣誉 —— 生动化版块
   ============================================================ */
/* --- 车间头图 --- */
.factory-hero { margin: 0 0 34px; }
/* 车间实拍原始分辨率有限（约 510px 宽），宽屏下限制高度并居中裁切，
   避免过度拉伸导致发虚 */
.factory-hero img {
    width: 100%; height: auto; max-height: 560px; object-fit: cover;
    border-radius: 14px; display: block; box-shadow: 0 10px 34px rgba(45,42,38,.13);
}
.factory-hero figcaption { text-align: center; font-size: 13px; color: var(--ink-soft); margin-top: 12px; letter-spacing: .3px; }

/* --- 生产流程八步（图 + 工序说明）--- */
.factory-steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin: 26px 0 10px; }
.factory-step {
    display: flex; gap: 16px; background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden; transition: transform .3s, box-shadow .3s;
}
.factory-step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.fs-img { flex: 0 0 42%; background: var(--bg-alt); }
.fs-img img { width: 100%; height: 100%; object-fit: cover; display: block; min-height: 150px; }
.fs-body { padding: 16px 18px 16px 0; }
.fs-no {
    display: inline-block; font-family: var(--font-serif); font-size: 13px; letter-spacing: 2px;
    color: var(--accent-dark); border-bottom: 1px solid rgba(176,137,104,.45); padding-bottom: 2px; margin-bottom: 8px;
}
.fs-body h3 { font-family: var(--font-serif); font-size: 16px; margin-bottom: 6px; }
.fs-body p { font-size: 13px; color: var(--ink-soft); margin: 0; line-height: 1.75; }

/* --- 数据方阵（数字 + 实拍）--- */
.factory-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 26px 0; }
.ff-card {
    background: var(--bg-alt); border-radius: var(--radius); overflow: hidden;
    display: flex; flex-direction: column; transition: transform .3s;
}
.ff-card:hover { transform: translateY(-4px); }
.ff-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
.ff-txt { padding: 16px 18px 18px; }
.ff-txt b {
    display: block; font-family: var(--font-serif); font-size: 26px; letter-spacing: 1px;
    color: var(--accent-dark); line-height: 1.2;
}
.ff-txt span { display: block; font-size: 14px; font-weight: 600; margin: 2px 0 7px; }
.ff-txt p { font-size: 12.5px; color: var(--ink-soft); margin: 0; line-height: 1.7; }

/* --- 品控三条底线 --- */
.qc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 22px 0; }
.qc-item { border-left: 3px solid var(--accent); background: #fff; border-radius: 0 var(--radius) var(--radius) 0; padding: 20px 22px; box-shadow: 0 2px 10px rgba(45,42,38,.05); }
.qc-item h3 { font-family: var(--font-serif); font-size: 17px; margin-bottom: 8px; }
.qc-item p { font-size: 13.5px; color: var(--ink-soft); margin: 0; }

/* --- 服务对象 --- */
.srv-list { list-style: none; margin: 20px 0; }
.srv-list li { padding: 13px 0 13px 20px; border-bottom: 1px solid var(--line); font-size: 14px; color: var(--ink-soft); position: relative; }
.srv-list li::before { content: ""; position: absolute; left: 0; top: 22px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.srv-list li b { color: var(--ink); font-weight: 600; margin-right: 10px; }

/* --- 资质：小标题 --- */
.honor-h3 {
    font-family: var(--font-serif); font-size: 21px; letter-spacing: 2px;
    margin: 40px 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.honor-h3:first-of-type { margin-top: 26px; }

/* --- 资质卡（带证书缩略图）--- */
.cred-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 22px 0; }
.cred-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.cred-thumb { position: relative; display: block; background: var(--bg-alt); }
.cred-thumb img { width: 100%; display: block; }
.cred-thumb-empty { display: flex; align-items: center; justify-content: center; aspect-ratio: 4/3; }
.cred-thumb-empty span { font-family: var(--font-serif); font-size: 15px; letter-spacing: 3px; color: var(--ink-soft); }
.cred-zoom {
    position: absolute; left: 0; right: 0; bottom: 0; padding: 7px 10px; font-size: 12px;
    color: #fff; background: linear-gradient(rgba(0,0,0,0), rgba(0,0,0,.62));
    text-align: right; opacity: 0; transition: opacity .25s;
}
.cred-thumb:hover .cred-zoom { opacity: 1; }
.cred-txt { padding: 16px 18px 18px; }
.cred-txt h3 { font-family: var(--font-serif); font-size: 16px; margin-bottom: 7px; }
.cred-txt p { font-size: 13px; color: var(--ink-soft); margin: 0; line-height: 1.7; }

/* --- 国际认证 --- */
.cert-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 22px 0; }
.cert-item { background: var(--bg-alt); border-radius: var(--radius); padding: 24px 22px; text-align: center; }
.cert-code {
    display: inline-block; font-family: var(--font-serif); font-size: 20px; letter-spacing: 2px;
    color: var(--accent-dark); border: 1px solid rgba(176,137,104,.5); border-radius: 999px;
    padding: 5px 20px; margin-bottom: 14px;
}
.cert-item h3 { font-size: 15px; margin-bottom: 8px; }
.cert-item p { font-size: 13px; color: var(--ink-soft); margin: 0; }

/* --- 商标注册证图库 --- */
.tm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin: 24px 0; }
.tm-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 0; }
.tm-card .cred-thumb img { aspect-ratio: 3/4; object-fit: contain; padding: 10px; background: #fff; }
.tm-card figcaption { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 3px; }
.tm-card figcaption b { font-family: var(--font-serif); font-size: 17px; letter-spacing: 2px; }
.tm-no, .tm-date, .tm-cls { font-size: 12px; color: var(--ink-soft); }
.tm-cls { font-size: 11.5px; line-height: 1.6; }

/* --- 市场口碑指标 --- */
.metric-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin: 22px 0; }
.metric-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 18px; text-align: center; }
.metric-card b { display: block; font-family: var(--font-serif); font-size: 26px; color: var(--accent-dark); line-height: 1.2; }
.metric-card span { display: block; font-size: 13px; font-weight: 600; margin: 4px 0 6px; }
.metric-card p { font-size: 12.5px; color: var(--ink-soft); margin: 0; line-height: 1.65; }

/* --- 证书灯箱 --- */
.cert-lightbox {
    position: fixed; inset: 0; background: rgba(20,18,16,.9); z-index: 1100;
    display: none; align-items: center; justify-content: center; flex-direction: column; gap: 14px; padding: 30px;
}
.cert-lightbox.open { display: flex; }
.cert-lightbox img { max-width: min(920px, 92vw); max-height: 80vh; border-radius: 8px; background: #fff; box-shadow: 0 18px 50px rgba(0,0,0,.5); }
.clb-cap { color: #f0ece6; font-size: 14px; letter-spacing: 1px; }
.clb-close {
    position: absolute; top: 16px; right: 22px; width: 42px; height: 42px; border: 0; border-radius: 50%;
    background: rgba(255,255,255,.9); color: var(--ink); font-size: 24px; line-height: 1; cursor: pointer;
}

/* --- 响应式 --- */
@media (max-width: 1200px) {
    .factory-facts { grid-template-columns: repeat(3, 1fr); }
    .metric-row { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
    .factory-steps { grid-template-columns: 1fr; }
    .cred-grid, .cert-row, .tm-grid, .qc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .factory-facts, .metric-row, .cred-grid, .cert-row, .tm-grid, .qc-grid { grid-template-columns: 1fr; }
    .factory-step { flex-direction: column; }
    .fs-img { flex: none; }
    .fs-img img { aspect-ratio: 16/10; min-height: 0; }
    .fs-body { padding: 16px 18px 20px; }
    .about-body h2 { font-size: 22px; }
    .honor-h3 { font-size: 18px; }
}

/* ============================================================
   移动端深度优化（2026-09-13）
   · 目标：符合主流移动端浏览习惯 + 不伤 SEO/GEO
   · 原则：① 同一个 URL、同一份 HTML，只做响应式适配（不做 m. 子域 / 不改 UA）
          ② 绝不用 display:none 隐藏正文或导航内容（搜索引擎按同一份内容评估）
          ③ 不禁用缩放（user-scalable=no 会影响可访问性评分）
          ④ 触摸目标 ≥ 44px
   ============================================================ */

/* ---------- ① 移动端导航：二级/三级菜单改为点击展开（原仅 :hover，触屏点不开）---------- */
@media (max-width: 900px) {
    .main-nav {
        max-height: calc(100dvh - 64px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        padding: 8px 20px 32px;
        box-shadow: 0 18px 40px rgba(45,42,38,.14);
    }
    body.nav-open { overflow: hidden; }          /* 菜单展开时锁背景滚动 */

    /* 一级项：大触摸目标 */
    .main-nav > a,
    .main-nav .drop-toggle {
        display: block;
        padding: 14px 4px;
        font-size: 16px;
        line-height: 1.4;
        border-bottom: 1px solid var(--line);
        min-height: 48px;
        box-sizing: border-box;
    }
    .main-nav > a::after,
    .main-nav .drop-toggle::after { display: none; }

    .nav-drop { width: 100%; }
    .nav-drop .drop-toggle { display: flex; align-items: center; justify-content: space-between; }
    .drop-toggle .caret { transition: transform .25s; font-size: 12px; }
    .nav-drop.open .drop-toggle .caret { transform: rotate(180deg); }

    /* 二级菜单：由绝对定位浮层 → 手风琴内联展开 */
    .dropdown,
    .nav-drop:hover .dropdown {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        display: none;
        min-width: 0;
        padding: 0;
        background: transparent;
        border: 0;
        box-shadow: none;
        margin: 0;
    }
    .nav-drop.open .dropdown { display: block; }
    .dropdown a {
        padding: 13px 12px;
        font-size: 15px;
        white-space: normal;
        border-bottom: 1px solid var(--line);
        min-height: 46px;
        color: var(--ink-soft);
    }
    .dropdown a:last-child { border-bottom: 0; }

    /* 三级菜单：同样内联（原 left:100% 在手机上会跑到屏幕外） */
    .sub-item { width: 100%; }
    .sub-item > a { padding: 13px 12px; font-size: 15px; min-height: 46px; }
    .submenu {
        position: static;
        left: auto;
        top: auto;
        transform: none;
        opacity: 1;
        visibility: visible;
        display: none;
        min-width: 0;
        padding: 0 0 0 12px;
        border: 0;
        box-shadow: none;
        background: transparent;
    }
    .sub-item.open .submenu { display: block; }
    .submenu .sub-link { padding: 12px; font-size: 14px; min-height: 44px; }

    /* 语言切换与汉堡：触摸友好 */
    .lang-switch a { padding: 9px 16px; font-size: 14px; min-height: 40px; display: inline-flex; align-items: center; }
    .main-nav { gap: 0; }

    /* ---- 顶部栏在手机上的排布：logo 左、[EN + 汉堡] 右 ---- */
    .header-inner {
        height: 58px; gap: 6px;
        display: flex; align-items: center;
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding-left: 12px; padding-right: 10px;
        box-sizing: border-box;
    }
    /* logo 只留图形（品牌名已在图里，<img alt> 保留文本利于 SEO），且允许收缩让位给按钮 */
    .logo { gap: 0; min-width: 0; flex: 0 1 auto; order: 1; margin-right: auto; }
    .logo-img { height: 29px; width: auto; flex: 0 0 auto; display: block; }
    .logo-txt { display: none; }

    /* 语言按钮：紧凑，紧挨汉堡 */
    .lang-switch { flex: 0 0 auto; order: 2; }
    .lang-switch a {
        padding: 5px 10px; min-height: 30px;
        display: inline-flex; align-items: center; justify-content: center;
        color: transparent !important;
        font-size: 0;
    }
    .lang-switch a::after {
        content: "EN"; font-size: 12px; letter-spacing: .5px; color: var(--ink-soft);
    }

    /* 汉堡：最右侧，固定 40px 不收缩（移动端主要入口） */
    .nav-toggle {
        display: inline-flex !important;
        order: 3;
        align-items: center; justify-content: center;
        flex: 0 0 40px; width: 40px; height: 40px; min-width: 40px;
        margin: 0; padding: 0;
        border: 0; background: transparent; border-radius: 8px;
        color: var(--ink); font-size: 21px; line-height: 1;
        cursor: pointer; -webkit-tap-highlight-color: transparent;
        position: relative; z-index: 60;
    }
    .nav-toggle:active { background: var(--bg-alt); }
    .main-nav { top: 58px; }
}
@media (max-width: 400px) {
    .logo-text { font-size: 17px; letter-spacing: 0; }
    .logo-img { height: 30px; }
    .lang-switch a { padding: 6px 10px; font-size: 12px; }
    .header-inner { height: 56px; }
}

/* ---------- ② 容器与栅格（手机用小边距，平板适中）---------- */
@media (max-width: 1024px) {
    .container { padding: 0 20px; }
}
@media (max-width: 640px) {
    .container { padding: 0 16px; }
}

/* ---------- ③ 标题与正文：按屏宽缩放，保证可读且不溢出 ---------- */
/* ⚠️ 这里同时覆盖了原来的 .hero-title{56px/34px} —— 媒体查询顺序靠后，优先生效 */
@media (max-width: 900px) {
    /* ---- 全局防横向溢出（手机上最常见的"页面能左右滑动"问题）---- */
    html, body { max-width: 100%; overflow-x: hidden; }
    .container, .section, .page-head, .article-body, .about-body { max-width: 100%; box-sizing: border-box; }
    p, h1, h2, h3, h4, li, td, th, .hero-sub, .page-sub, .section-sub, .alb-lead {
        overflow-wrap: anywhere;
        word-break: break-word;
    }

    /* ---- 首屏 hero：手机上不要 100vh + 140px 内边距（会把文案挤到第二屏）---- */
    .hero {
        min-height: auto;
        padding: 68px 0 76px;
        background-position: center 30%;
    }
    .hero-title {
        font-size: 22px;
        letter-spacing: 0;
        line-height: 1.55;
        padding: 0;
        box-sizing: border-box;
        display: block;
        max-width: 340px;              /* 收窄一行宽度，让长句优雅折行而不是贴边裁字 */
        margin: 0 auto 6px;
        overflow-wrap: break-word;
        word-break: break-word;
    }
    .hero-sub {
        font-size: 12.5px;
        letter-spacing: 0;
        line-height: 1.9;
        margin-bottom: 20px;
        padding: 0;
        box-sizing: border-box;
        display: block;
        max-width: 340px;
        margin-left: auto;
        margin-right: auto;
        overflow-wrap: break-word;
        word-break: break-word;
    }
    .hero-eyebrow { font-size: 11px; letter-spacing: 1px; margin-bottom: 10px; gap: 8px; }
    .hero-eyebrow::before, .hero-eyebrow::after { width: 18px; }
    .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; padding: 0 20px; }
    .hero-actions .btn { width: 100%; }
}
@media (max-width: 400px) {
    .hero-title { font-size: 19px; padding: 0 18px; }
    .hero-sub { font-size: 11.5px; }
}
@media (max-width: 900px) {
    .page-head h1 { font-size: 26px; }
    .page-sub { font-size: 14px; }
    .section-title { font-size: 24px; letter-spacing: 2px; }
    .section-sub { font-size: 14px; }
    .home-lead h2 { font-size: 22px; }
    .alb-h2 { font-size: 20px; margin: 38px 0 18px; }
    .article-body article { padding: 20px 18px; }
    .article-body { font-size: 16px; line-height: 1.85; }
    .article-body h2 { font-size: 20px; }
    .article-body h3 { font-size: 17px; }
    .detail-title { font-size: 22px; }
}
/* 超小屏（iPhone SE 375 / 360 安卓机）再压一档 */
@media (max-width: 400px) {
    .container { padding: 0 14px; }
    .hero-title { font-size: 30px; letter-spacing: 2px; }
    .page-head h1 { font-size: 22px; }
    .section-title { font-size: 21px; }
    .alb-grid, .product-grid { gap: 10px; }
    .ff-txt b { font-size: 22px; }
    .alb-card-txt { padding: 9px 10px; }
}

/* ---------- ④ 栅格列数：移动端专用 ---------- */
@media (max-width: 900px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .alb-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .album-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .case-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .style-chips { gap: 10px; }
    .style-chip { padding: 10px 18px; font-size: 14px; }
}
@media (max-width: 640px) {
    .case-grid { grid-template-columns: 1fr; }
    .alb-series { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}

/* ---------- ⑤ 触摸交互：hover 在触屏无效，补 :active 反馈 ---------- */
@media (hover: none) {
    .product-card:hover, .alb-card:hover, .alb-series-item:hover,
    .gallery-item:hover, .article-mini:hover { transform: none; }
    .product-card:active, .alb-card:active, .alb-series-item:active,
    .gallery-item:active { transform: scale(.985); }
    .btn:active { transform: scale(.97); }
    /* 触屏上卡片浮动层常驻，避免"看不到可点" */
    .alb-card-img .alb-card-badge { opacity: 1; }
}

/* ---------- ⑥ 悬浮侧栏：与顶部按钮错开，不产生视觉重叠 ---------- */
@media (max-width: 900px) {
    .side-bars {
        right: 10px;
        top: auto;
        bottom: 18px;                /* 贴底，远离顶部 hamburger(高 58px) */
        transform: none;
        display: flex;
        flex-direction: column-reverse;  /* 底部向上排列，图标不会往上顶到 header */
        align-items: center;
        gap: 10px;
        z-index: 38;                 /* 低于顶部导航(60)，避免压住汉堡 */
        max-height: 62vh;
        overflow: hidden;
    }
    .side-btn { width: 40px; height: 40px; flex: 0 0 40px; }
    .side-btn .sb-ico { font-size: 15px; }
    .side-btn .sb-txt { display: none; }
    .side-btn .sb-pop { right: 48px; top: 50%; bottom: auto; }
}

/* ---------- ⑦ 表格 / 长英文 / 代码：防横向溢出 ---------- */
@media (max-width: 900px) {
    .about-body, .article-body, .faq-wrap { overflow-wrap: anywhere; word-break: break-word; }
    .spec-table, .about-body table { display: block; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .spec-table th { width: auto; white-space: nowrap; }
    .album-pager { flex-wrap: wrap; gap: 6px; }
    .album-pager a { min-width: 40px; min-height: 40px; display: inline-flex; align-items: center; justify-content: center; }
    .alb-chips { gap: 8px; }
    .alb-chip { padding: 8px 14px; font-size: 13px; min-height: 40px; }
    .alb-meta { margin-bottom: 14px; }
    .alb-cta { padding: 22px 18px; margin-top: 32px; }
    .alb-cta .cta { flex-direction: column; align-items: stretch; }
    .alb-cta .btn { width: 100%; }
}

/* ---------- ⑧ 移动端表单：16px 字号防 iOS 聚焦自动放大 ---------- */
@media (max-width: 900px) {
    input, select, textarea, button { font-size: 16px; }
    .btn { padding: 13px 24px; }
    .cta { flex-wrap: wrap; }
}

/* ---------- ⑨ 打印（顺手补上，避免打印时出大面积色块）---------- */
@media print {
    .site-header, .site-footer, .side-bars, .album-lightbox, .nav-toggle { display: none !important; }
    .section { padding: 0; }
    body { background: #fff; }
}

/* ============================================================
   移动端深度细节（第二轮打磨）
   ============================================================ */

/* ① 防 iOS 横屏时字体被自动放大（不设会影响小屏可读性与体验） */
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

/* ② 锚点跳转不被吸顶导航遮住（站内有 /#services 这类锚点） */
:target,
[id] { scroll-margin-top: 84px; }

/* ③ 滚动更顺滑 & 抑制过度滚动回弹造成的"页面跟着晃" */
html { scroll-behavior: smooth; }
@media (max-width: 900px) {
    body { overscroll-behavior-y: none; }
    /* 触屏上的横向滚动容器（画册分页、表格）更跟手 */
    .album-pager, .spec-table, .about-body table { touch-action: pan-x pinch-zoom; }
    /* 图片/卡片不被系统长按选中（更像原生 App），但正文文字仍可选 */
    .alb-card, .alb-series-item, .product-card, .gallery-item, .side-btn {
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }
}

/* ④ 移动端专属细节修正 */
@media (max-width: 900px) {
    /* 详情页左侧栏原来是 sticky(96px)，手机上会顶到内容，改静态 */
    .detail-gallery { position: static; top: auto; }
    /* 缩略图横滑 */
    .gallery-thumbs { display: flex; gap: 8px; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
    .gallery-thumbs img { flex: 0 0 72px; width: 72px; height: 72px; object-fit: cover; border-radius: 8px; }
    /* 面包屑过长时允许换行，不撑破 */
    .breadcrumb { font-size: 12px; line-height: 1.7; overflow-wrap: anywhere; }
    /* FAQ 与列表项：加大触摸面积 */
    .faq-item summary { padding: 16px 0 16px 22px; font-size: 15px; min-height: 48px; }
    .custom-ul li, .srv-list li { line-height: 1.85; }
    /* 视频/画册缩略网格 */
    .video-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    /* 文章列表行：图不再被挤压 */
    .article-row { gap: 12px; }
    .article-row img { width: 104px; height: 78px; }
    /* 步骤条（定制流程/工艺流程）改单列，避免 5 列挤成一团 */
    .steps { grid-template-columns: 1fr; }
    /* 工厂页/资质页图片：小屏单列更清楚 */
    .factory-gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}
@media (max-width: 400px) {
    .video-grid, .factory-gallery { grid-template-columns: 1fr; }
    .gallery-thumbs img { flex-basis: 64px; width: 64px; height: 64px; }
}

/* ---------- ⑩ 页脚在移动端：改为两列平铺，避免堆成"一长串" ---------- */
@media (max-width: 900px) {
    .site-footer .container,
    .footer-grid { padding-left: 16px; padding-right: 16px; }
    .footer-grid { grid-template-columns: 1fr; gap: 26px; padding-top: 40px; padding-bottom: 32px; }

    /* 链接列表两列：不隐藏任何链接（比折叠更利于抓取与可用性） */
    .footer-col ul {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px 16px;
        margin-top: 14px;
    }
    .footer-col ul li { margin: 0; line-height: 1.5; min-width: 0; }
    .footer-col ul li a,
    .footer-col ul li {
        font-size: 14px;
        min-height: 24px;
        display: block;
        overflow-wrap: anywhere;      /* 地址/邮箱过长时换行，不再被裁 */
        word-break: break-word;
    }
    .footer-col h4 { font-size: 15px; margin-bottom: 2px; }

    /* 品牌区紧凑化：官网/天猫卡片不要把页脚顶得很长 */
    .brand-col .footer-logo { margin-bottom: 10px; }
    .brand-col .footer-about { font-size: 13px; line-height: 1.75; margin-bottom: 16px; }
    .footer-tmall { padding: 14px; }
    .footer-tmall .ft-body img.ft-qr { width: 92px; height: 92px; }

    /* 备案行：允许换行、居中、不挤 */
    .footer-bottom { padding: 14px 16px; font-size: 12px; line-height: 1.9; text-align: center; }
    .footer-bottom .gongan-link { display: inline-flex; align-items: center; gap: 3px; }
}
@media (max-width: 400px) {
    .footer-col ul { gap: 8px 12px; }
    .footer-col ul li a, .footer-col ul li { font-size: 13px; }
}

/* ⑤ 灯箱在手机上是全屏沉浸式 + 可下滑关闭的视觉暗示 */
@media (max-width: 900px) {
    .album-lightbox img, .cert-lightbox img { max-width: 96vw; max-height: 82vh; }
    .album-lightbox .lbox-close, .cert-lightbox .clb-close {
        top: 14px; right: 14px; width: 44px; height: 44px; font-size: 26px;
    }
    .lbox-title, .clb-cap { font-size: 13px; padding: 0 16px; text-align: center; }
}