/* ============================================================
   思盛智能装备 · 企业官网样式
   风格：克制专业 · 白底 + 深红(#A81E32)/橙黄(#E8A33D)点缀
   ============================================================ */

:root {
    --primary: #B81A31;        /* 品牌红（LOGO 主色） */
    --primary-dark: #8E1226;
    --primary-soft: #f9e9ec;
    --accent: #E0992C;         /* 品牌金（LOGO 副色） */
    --accent-soft: #fbf0de;
    --brand-navy: #0A4694;     /* 品牌深蓝（LOGO 文字色） */
    --ink: #16181d;            /* 主文字 */
    --body: #586172;           /* 正文灰 */
    --muted: #8a93a3;
    --bg: #ffffff;
    --bg-soft: #f6f7f9;
    --bg-dark: #0C2540;        /* 深色区（品牌深蓝调） */
    --bg-dark2: #123354;
    --line: #e7e9ee;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(20,23,28,.08);
    --shadow-lg: 0 24px 60px rgba(20,23,28,.14);
    --maxw: 1200px;
    --nav-h: 68px;
    --transition: .3s ease;
    --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    font-size: 16px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 26px; border-radius: 999px;
    font-size: 15px; font-weight: 600; cursor: pointer;
    border: 1.5px solid transparent; transition: var(--transition);
    white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(168,30,50,.3); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn--ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #000; transform: translateY(-2px); }
.btn--outline { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn--outline:hover { background: var(--primary-soft); }
.btn--lg { padding: 16px 34px; font-size: 16px; }

/* ---------- 顶部细条 ---------- */
.topbar { background: var(--bg-dark); color: #c7ccd6; font-size: 13px; }
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; height: 40px; }
.topbar .tb-left { display: flex; gap: 22px; }
.topbar b { color: #fff; font-weight: 600; }
.topbar .tb-email a { color: #c7ccd6; text-decoration: none; }
.topbar .tb-email a:hover { color: #fff; text-decoration: underline; }

/* ---------- 导航 ---------- */
.header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96);
    backdrop-filter: saturate(160%) blur(8px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center;
    background: transparent; border-radius: 9px; color: #fff; overflow: hidden; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-mark svg { width: 22px; height: 22px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 16px; font-weight: 700; letter-spacing: .3px; }
.brand-text span { font-size: 10px; color: var(--muted); letter-spacing: 2px; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { padding: 9px 15px; border-radius: 8px; font-size: 15px; font-weight: 500;
    color: var(--ink); transition: var(--transition); }
.nav-links a:hover { color: var(--primary); background: var(--bg-soft); }
.nav-links a.active { color: var(--primary); font-weight: 700; }

.nav-right { display: flex; align-items: center; gap: 14px; }
.nav-cta { display: inline-flex; align-items: center; gap: 7px; background: var(--primary);
    color: #fff; padding: 10px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
    transition: var(--transition); }
.nav-cta:hover { background: var(--primary-dark); }
.nav-cta svg { width: 15px; height: 15px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: var(--transition); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero（真实工厂视频 Banner） ---------- */
.hero { position: relative; min-height: 86vh; display: flex; align-items: center; overflow: hidden; color: #fff; }
.hero video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(105deg, rgba(10,12,16,.9) 0%, rgba(10,12,16,.72) 55%, rgba(10,12,16,.52) 100%); }
.hero .wrap { position: relative; z-index: 2; padding-top: 40px; padding-bottom: 40px; }
.hero-tag { display: inline-flex; align-items: center; gap: 9px; padding: 7px 16px;
    background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25);
    border-radius: 999px; font-size: 14px; font-weight: 500; margin-bottom: 22px; }
.hero-tag i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-size: clamp(30px, 4.4vw, 54px); font-weight: 800; line-height: 1.18; letter-spacing: .5px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-sub { margin-top: 20px; font-size: clamp(15px, 1.5vw, 18px); color: #d7dbe2; max-width: 560px; line-height: 1.8; }
.hero-actions { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { margin-top: 46px; display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stats .hs b { font-size: 30px; font-weight: 800; color: #fff; display: block; line-height: 1.2; }
.hero-stats .hs b small { font-size: 15px; font-weight: 600; margin-left: 2px; }
.hero-stats .hs span { font-size: 13px; color: #aeb4bf; }

/* Hero 公司场景图（静态背景） */
.hero--image .hero-bg { position: absolute; inset: 0; z-index: 0; background-size: cover; background-position: center; }
.hero-media { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; object-fit: cover; }
.plant-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.plant-cell { aspect-ratio: 16 / 9; border-radius: 14px; overflow: hidden; background: #000; }
.plant-video { width: 100%; height: 100%; object-fit: cover; display: block; }

/* 设备实力（首页第二屏） */
.equip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.equip-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.equip-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.equip-thumb { aspect-ratio: 4/3; overflow: hidden; background: var(--bg-soft); }
.equip-thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.equip-card:hover .equip-thumb img { transform: scale(1.06); }
.equip-body { padding: 20px 20px 24px; }
.equip-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.equip-body p { font-size: 14px; color: var(--body); line-height: 1.7; }

/* 代工产品（首页：横向滚动小图 + 免责声明） */
.disclaimer { display: flex; align-items: flex-start; gap: 12px; max-width: 880px; margin: 0 auto 34px;
    padding: 16px 20px; background: var(--accent-soft); border: 1px solid #f0d9b0; border-left: 4px solid var(--accent);
    border-radius: 12px; color: #7a5a1e; font-size: 14.5px; line-height: 1.7; }
.disclaimer-ico { font-size: 18px; line-height: 1.4; flex-shrink: 0; color: var(--accent); }
.prod-scroll { display: flex; gap: 16px; overflow-x: auto; padding: 6px 4px 18px; scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch; scrollbar-width: thin; }
.prod-scroll::-webkit-scrollbar { height: 8px; }
.prod-scroll::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
.prod-item { flex: 0 0 auto; width: 210px; scroll-snap-align: start; border: 1px solid var(--line);
    border-radius: 12px; overflow: hidden; background: #fff; transition: var(--transition); }
.prod-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.prod-item img { width: 100%; height: 156px; object-fit: cover; }
.prod-hint { text-align: center; color: var(--muted); font-size: 13px; margin-top: 4px; }

/* ---------- 通用区块 ---------- */
.section { padding: 86px 0; }
.section--soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 50px; }
.eyebrow { display: inline-block; color: var(--primary); font-weight: 700; font-size: 14px;
    letter-spacing: 3px; text-transform: uppercase; margin-bottom: 14px; }
.section-head h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 800; line-height: 1.3; }
.section-head p { margin-top: 16px; color: var(--body); font-size: 16px; }

/* ---------- 核心业务（首页） ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.biz-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; transition: var(--transition); }
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.biz-thumb { aspect-ratio: 4/3; overflow: hidden; background: var(--bg-soft); }
.biz-thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.biz-card:hover .biz-thumb img { transform: scale(1.06); }
.biz-body { padding: 20px 20px 24px; }
.biz-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.biz-body p { font-size: 14px; color: var(--body); line-height: 1.7; }
.biz-more { display: inline-flex; align-items: center; gap: 5px; margin-top: 14px;
    color: var(--primary); font-weight: 600; font-size: 14px; }
.biz-more svg { width: 14px; height: 14px; transition: var(--transition); }
.biz-card:hover .biz-more svg { transform: translateX(4px); }

/* ---------- 工艺条 ---------- */
.process-strip { background: var(--bg-dark); color: #fff; padding: 56px 0; }
.proc-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.proc-item { text-align: center; padding: 22px 12px; border-radius: 12px;
    background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); transition: var(--transition); }
.proc-item:hover { background: rgba(168,30,50,.18); border-color: var(--primary); transform: translateY(-4px); }
.proc-num { font-size: 13px; color: var(--accent); font-weight: 700; letter-spacing: 1px; }
.proc-item h4 { font-size: 17px; font-weight: 700; margin: 8px 0 6px; }
.proc-item p { font-size: 13px; color: #b7bdc8; line-height: 1.6; }

/* ---------- 行业应用 ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ind-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px 20px;
    display: flex; align-items: center; gap: 14px; transition: var(--transition); }
.ind-card:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-3px); }
.ind-ico { width: 44px; height: 44px; border-radius: 10px; background: var(--primary-soft);
    color: var(--primary); display: grid; place-items: center; font-size: 20px; flex-shrink: 0; }
.ind-card h4 { font-size: 16px; font-weight: 700; }
.ind-card p { font-size: 13px; color: var(--muted); }

/* ---------- 信任 / 数据 ---------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.metric { text-align: center; padding: 30px 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.metric b { font-size: 44px; font-weight: 800; color: var(--primary); line-height: 1; display: block; }
.metric b small { font-size: 20px; margin-left: 2px; }
.metric span { display: block; margin-top: 12px; color: var(--body); font-size: 15px; }

/* ---------- 子页面头部 ---------- */
.page-header { background: var(--bg-dark); color: #fff; padding: calc(var(--nav-h) + 56px) 0 56px;
    position: relative; overflow: hidden; }
.page-header::after { content: ""; position: absolute; inset: 0;
    background: radial-gradient(circle at 85% 20%, rgba(168,30,50,.35), transparent 55%),
                radial-gradient(circle at 10% 90%, rgba(232,163,61,.18), transparent 50%); }
.page-header .wrap { position: relative; z-index: 2; }
.page-header .crumbs { font-size: 13px; color: #9aa1ad; margin-bottom: 14px; }
.page-header .crumbs a:hover { color: var(--accent); }
.page-header h1 { font-size: clamp(28px, 3.6vw, 44px); font-weight: 800; }
.page-header p { margin-top: 14px; color: #c4cad4; max-width: 640px; font-size: 16px; }

/* ---------- 关于页 ---------- */
.about-intro { display: grid; grid-template-columns: 1.15fr .85fr; gap: 50px; align-items: center; }
.about-intro h2 { font-size: clamp(24px, 2.6vw, 34px); font-weight: 800; line-height: 1.35; margin-bottom: 18px; }
.about-intro p { color: var(--body); margin-bottom: 14px; }
.about-logo { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 36px; text-align: center; }
.about-logo img { max-height: 200px; margin: 0 auto 18px; }
.about-logo p { font-size: 13px; color: var(--muted); letter-spacing: 1px; }

.campus-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.campus { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px;
    position: relative; overflow: hidden; }
.campus::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--primary); }
.campus h3 { font-size: 21px; font-weight: 700; margin-bottom: 6px; }
.campus .loc { color: var(--accent); font-weight: 600; font-size: 14px; margin-bottom: 14px; }
.campus ul li { padding: 7px 0 7px 24px; position: relative; color: var(--body); font-size: 15px; border-bottom: 1px dashed var(--line); }
.campus ul li:last-child { border-bottom: 0; }
.campus ul li::before { content: "▸"; position: absolute; left: 0; color: var(--primary); }

.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 28px 24px; }
.tl-item::before { content: ""; position: absolute; left: -28px; top: 5px; width: 16px; height: 16px;
    border-radius: 50%; background: #fff; border: 3px solid var(--primary); }
.tl-item h4 { font-size: 17px; font-weight: 700; }
.tl-item span { color: var(--accent); font-size: 13px; font-weight: 600; }
.tl-item p { color: var(--body); font-size: 14px; margin-top: 4px; }

/* ---------- 项目案例 / 图库 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px; }
.filter-btn { padding: 9px 20px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff;
    color: var(--ink); font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition); }
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.g-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
    cursor: pointer; transition: var(--transition); }
.g-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.g-thumb { aspect-ratio: 1/1; overflow: hidden; background: var(--bg-soft); }
.g-thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.g-card:hover .g-thumb img { transform: scale(1.07); }
.g-info { padding: 16px 18px; }
.g-info .tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--primary);
    background: var(--primary-soft); padding: 3px 10px; border-radius: 6px; margin-bottom: 9px; }
.g-info h4 { font-size: 16px; font-weight: 700; line-height: 1.4; }
.g-info p { font-size: 13px; color: var(--muted); margin-top: 5px; line-height: 1.6; }

/* 灯箱 */
.lightbox { position: fixed; inset: 0; background: rgba(10,12,16,.92); display: none;
    align-items: center; justify-content: center; z-index: 1000; padding: 30px; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 82vh; border-radius: 8px; box-shadow: var(--shadow-lg); }
.lightbox .lb-cap { position: absolute; bottom: 26px; left: 0; right: 0; text-align: center; color: #fff; font-size: 15px; }
.lightbox .lb-close { position: absolute; top: 22px; right: 26px; color: #fff; font-size: 34px;
    cursor: pointer; background: none; border: 0; line-height: 1; }
.lightbox .lb-nav { position: absolute; top: 50%; transform: translateY(-50%); color: #fff; font-size: 40px;
    cursor: pointer; background: none; border: 0; padding: 0 18px; user-select: none; }
.lightbox .lb-prev { left: 6px; } .lightbox .lb-next { right: 6px; }

/* ---------- 产品与工艺页 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.prod-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
    transition: var(--transition); }
.prod-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.prod-thumb { aspect-ratio: 16/10; overflow: hidden; background: var(--bg-soft); }
.prod-thumb img { width: 100%; height: 100%; object-fit: cover; }
.prod-body { padding: 22px 22px 26px; }
.prod-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.prod-body p { font-size: 14px; color: var(--body); line-height: 1.75; }
.prod-body ul { margin-top: 12px; }
.prod-body ul li { padding: 5px 0 5px 22px; position: relative; font-size: 14px; color: var(--body); }
.prod-body ul li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }

.proc-detail { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.pd-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 18px;
    transition: var(--transition); }
.pd-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.pd-ico { width: 50px; height: 50px; border-radius: 12px; background: var(--primary-soft); color: var(--primary);
    display: grid; place-items: center; margin-bottom: 14px; }
.pd-ico svg { width: 26px; height: 26px; }
.pd-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.pd-card p { font-size: 13px; color: var(--body); line-height: 1.7; }
.pd-card .eq { margin-top: 12px; font-size: 12px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 10px; }

/* 服务流程 */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.flow-step { text-align: center; padding: 30px 18px; position: relative; }
.flow-step:not(:last-child)::after { content: ""; position: absolute; top: 56px; right: -15px;
    width: 30px; height: 2px; background: var(--line); }
.flow-num { width: 54px; height: 54px; border-radius: 50%; background: var(--primary); color: #fff;
    display: grid; place-items: center; font-size: 20px; font-weight: 800; margin: 0 auto 16px; }
.flow-step h4 { font-size: 17px; font-weight: 700; margin-bottom: 7px; }
.flow-step p { font-size: 13px; color: var(--body); }

.diff-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.diff { display: flex; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.diff .d-ico { width: 46px; height: 46px; border-radius: 11px; background: var(--accent-soft); color: var(--accent);
    display: grid; place-items: center; font-size: 22px; flex-shrink: 0; }
.diff h4 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.diff p { font-size: 14px; color: var(--body); line-height: 1.7; }

/* ---------- 联系页 ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info .ci { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-info .ci:last-child { border-bottom: 0; }
.ci-ico { width: 46px; height: 46px; border-radius: 11px; background: var(--primary-soft); color: var(--primary);
    display: grid; place-items: center; font-size: 20px; flex-shrink: 0; }
.ci-text h4 { font-size: 15px; color: var(--muted); font-weight: 600; margin-bottom: 3px; }
.ci-text p { font-size: 16px; font-weight: 600; color: var(--ink); }
.ci-text p a { color: var(--primary); }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.form-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.form-card .sub { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.field label .req { color: var(--primary); }
.field input, .field select, .field textarea { width: 100%; padding: 12px 14px; border: 1.5px solid var(--line);
    border-radius: 10px; font-family: var(--font); font-size: 15px; color: var(--ink); transition: var(--transition); background: #fff; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.field textarea { resize: vertical; min-height: 96px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 8px; }
.form-ok { display: none; margin-top: 16px; padding: 14px 18px; background: var(--primary-soft);
    border: 1px solid var(--primary); border-radius: 10px; color: var(--primary-dark); font-weight: 600; font-size: 14px; }
.form-ok.show { display: block; }

/* ---------- CTA 横幅 ---------- */
.cta-band { background: linear-gradient(120deg, var(--primary), var(--primary-dark)); color: #fff;
    border-radius: 20px; padding: 50px 48px; text-align: center; }
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; }
.cta-band p { margin: 14px auto 26px; max-width: 560px; color: #fbe6ea; font-size: 16px; }
.cta-band .btn--ghost { border-color: rgba(255,255,255,.6); }
.cta-band .btn--ghost:hover { background: rgba(255,255,255,.14); }

/* ---------- 页脚 ---------- */
.footer { background: var(--bg-dark); color: #c4cad4; padding: 60px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 36px; }
.footer .f-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 16px; }
.footer .f-brand .brand-mark { width: 36px; height: 36px; }
.footer .f-brand strong { font-size: 17px; color: #fff; font-weight: 700; }
.footer p.desc { font-size: 14px; line-height: 1.8; color: #9aa1ad; max-width: 320px; }
.footer h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer ul li { padding: 6px 0; font-size: 14px; }
.footer ul li a:hover { color: var(--accent); }
.footer .f-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer .f-contact .ic { color: var(--accent); }
.footer .f-contact a { color: inherit; text-decoration: none; }
.footer .f-contact a:hover { text-decoration: underline; }
.footer-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1);
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: #8a93a3; }

/* ---------- 滚动入场动画 ---------- */
/* 默认可见（无 JS / JS 失效时内容仍显示）；有 JS 才启用动画，避免整页空白 */
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
    .biz-grid, .industry-grid, .metrics, .equip-grid { grid-template-columns: repeat(2, 1fr); }
    .proc-grid, .proc-detail { grid-template-columns: repeat(3, 1fr); }
    .prod-grid, .gallery { grid-template-columns: repeat(2, 1fr); }
    .about-intro { grid-template-columns: 1fr; gap: 30px; }
    .contact-layout, .campus-grid, .diff-grid, .plant-grid { grid-template-columns: 1fr; }
    .flow { grid-template-columns: repeat(2, 1fr); }
    .flow-step:nth-child(2)::after, .flow-step:nth-child(4)::after { display: none; }
}
@media (max-width: 760px) {
    .nav-links, .nav-right .nav-cta { display: none; }
    .nav-toggle { display: flex; }
    .nav-links { position: absolute; top: var(--nav-h); left: 0; right: 0; flex-direction: column;
        background: #fff; border-bottom: 1px solid var(--line); padding: 10px; gap: 2px; box-shadow: var(--shadow); }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 13px 16px; }
    .topbar .tb-left span:last-child { display: none; }
    .section { padding: 60px 0; }
    .hero-stats { gap: 26px; }
    .biz-grid, .industry-grid, .metrics, .proc-grid, .proc-detail, .prod-grid, .gallery, .flow { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
    .cta-band { padding: 36px 24px; }
}

/* ---------- 隐私政策 / 法律页 ---------- */
.legal { max-width: 860px; }
.legal .updated { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.legal h2 { font-size: 21px; font-weight: 800; margin: 34px 0 12px; color: var(--ink); }
.legal h3 { font-size: 17px; font-weight: 700; margin: 22px 0 8px; color: var(--ink); }
.legal p, .legal li { color: var(--body); font-size: 15.5px; line-height: 1.9; }
.legal p { margin-bottom: 12px; }
.legal ul { list-style: disc; padding-left: 20px; margin: 6px 0 16px; }
.legal ul li { margin-bottom: 6px; }
.legal a { color: var(--primary); }
.legal hr { border: 0; border-top: 1px solid var(--line); margin: 44px 0; }
.footer-bottom a:hover { text-decoration: underline; }


/* ============================================================
   WordPress 适配层
   ============================================================ */
body.admin-bar .header { top: 32px; }
@media (max-width: 782px) {
    body.admin-bar .header { top: 46px; }
}
/* 后台编辑器按钮不继承站点圆角 */
.wp-block-button__link { border-radius: 8px; }

/* ============================================================
   顶栏（英文站）
   ============================================================ */
.topbar .tb-right { display: flex; gap: 22px; }

@media (max-width: 760px) {
    .topbar .tb-left { display: none; }
    .topbar .tb-email { display: none; }
    .topbar .wrap { justify-content: center; }
    .topbar .tb-right { gap: 0; }
}