/* ============================================================
   长沙工业泵官网全站样式  style.css
   主色：深绿 #2D7A4F  辅助：暖金 #C8A45C  基底：#F7F8FA
   ============================================================ */

:root {
    --c-primary: #1E5FA8;
    --c-primary-dark: #164A86;
    --c-primary-darker: #0F3768;
    --c-primary-light: #E6EEF7;
    --c-gold: #C8A45C;
    --c-gold-light: #F3ECDC;
    --c-bg: #F7F8FA;
    --c-white: #FFFFFF;
    --c-text: #333333;
    --c-text-sub: #6B7280;
    --c-text-muted: #9CA3AF;
    --c-border: #E8EAEE;
    --c-dark: #1A1A1A;
    --c-darker: #0D0D0D;
    --shadow-sm: 0 2px 10px rgba(26, 26, 26, .05);
    --shadow-md: 0 8px 24px rgba(26, 26, 26, .09);
    --shadow-lg: 0 16px 40px rgba(26, 26, 26, .13);
    --radius: 2px;
    --radius-lg: 2px;
    --header-h: 76px;
    --container: 1440px;
    --font-head: "Oswald", "Arial Narrow", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--c-text);
    background: var(--c-bg);
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    margin: 0;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { color: #1F2937; font-weight: 600; line-height: 1.4; margin: 0; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-primary); }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }

/* 外框=内容1440+两侧40安全边距：宽屏内容恰为1440，窄屏自适应且永不贴边 */
.container-pump { max-width: calc(var(--container) + 80px); margin: 0 auto; padding: 0 40px; width: 100%; }

.text-primary-c { color: var(--c-primary) !important; }
.bg-primary-c { background-color: var(--c-primary) !important; }

/* ---------- 按钮 ---------- */
.btn-pump {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--c-primary); color: #fff; border: 1px solid var(--c-primary);
    padding: 11px 30px; font-size: 15px; border-radius: var(--radius);
    transition: all .25s ease; cursor: pointer; line-height: 1.4; white-space: nowrap;
}
.btn-pump:hover { background: var(--c-primary-dark); border-color: var(--c-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(45,122,79,.28); }
.btn-pump-outline {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: transparent; color: var(--c-primary); border: 1px solid var(--c-primary);
    padding: 11px 30px; font-size: 15px; border-radius: var(--radius); transition: all .25s ease; cursor: pointer;
}
.btn-pump-outline:hover { background: var(--c-primary-light); color: var(--c-primary-dark); }
.btn-outline-sm { display: inline-block !important; padding: 6px 18px !important; font-size: 12.5px !important; border: 1px solid var(--c-border) !important; background: #fff !important; color: var(--c-text-sub) !important; border-radius: var(--radius) !important; box-shadow: none !important; transform: none !important; }
.btn-outline-sm:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-light) !important; }
.btn-gold {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--c-gold); color: #fff; border: 1px solid var(--c-gold);
    padding: 11px 30px; font-size: 15px; border-radius: var(--radius); transition: all .25s ease; cursor: pointer;
}
.btn-gold:hover { background: #B8934B; border-color: #B8934B; color: #fff; }
.btn-lg-pump { padding: 14px 42px; font-size: 16px; }

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--c-primary-darker); color: rgba(255,255,255,.78); font-size: 13px; }
.topbar .container-pump { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar a { color: rgba(255,255,255,.78); }
.topbar a:hover { color: #fff; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 24px; }
.topbar i { color: var(--c-gold); margin-right: 6px; }

/* ---------- 主导航 ---------- */
.site-header {
    position: sticky; top: 0; z-index: 1030;
    background: #fff; box-shadow: var(--shadow-sm);
    transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; min-width: 0; }
.logo img { height: 48px; width: auto; }
.logo-text { line-height: 1.25; white-space: nowrap; }
.logo-text .cn { font-family: var(--font-head); font-size: 22px; font-weight: 700; color: var(--c-primary-dark); letter-spacing: 1px; }
.logo-text .en { font-size: 10px; color: var(--c-text-muted); letter-spacing: 1.6px; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; flex: 1 1 auto; min-width: 0; justify-content: center; }
.main-nav > ul { display: flex; align-items: center; flex-wrap: nowrap; }
.main-nav > ul > li { position: relative; flex: 0 0 auto; }
.main-nav > ul > li > a {
    display: flex; align-items: center; gap: 5px;
    padding: 0 18px; height: var(--header-h);
    font-size: 16px; color: #2B2F36; font-weight: 500; position: relative;
    white-space: nowrap;
}
.main-nav > ul > li > a::after {
    content: ""; position: absolute; left: 20px; right: 20px; bottom: 14px; height: 2px;
    background: var(--c-primary); transform: scaleX(0); transition: transform .25s ease;
}
.main-nav > ul > li:hover > a, .main-nav > ul > li.active > a { color: var(--c-primary); }
.main-nav > ul > li:hover > a::after, .main-nav > ul > li.active > a::after { transform: scaleX(1); }
.main-nav .fa-angle-down { font-size: 11px; color: var(--c-text-muted); }
.main-nav > ul > li:hover .fa-angle-down { color: var(--c-primary); }

/* 下拉菜单 */
.nav-dropdown {
    position: absolute; top: 100%; left: 0; min-width: 210px;
    background: #fff; box-shadow: var(--shadow-md); border-top: 2px solid var(--c-primary);
    border-radius: 0 0 var(--radius) var(--radius);
    opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .22s ease;
    padding: 8px 0;
}
.main-nav > ul > li:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown a { display: block; padding: 10px 22px; font-size: 14.5px; color: #374151; white-space: nowrap; }
.nav-dropdown a:hover { background: var(--c-primary-light); color: var(--c-primary); padding-left: 26px; }
.nav-dropdown .sub-group { padding: 4px 0; }
.nav-dropdown .sub-group + .sub-group { border-top: 1px dashed var(--c-border); }
.nav-dropdown .sub-title { padding: 8px 22px 4px; font-size: 12.5px; color: var(--c-text-muted); }

.header-cta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.header-phone { display: flex; align-items: center; gap: 9px; }
.header-phone .ico {
    width: 40px; height: 40px; border-radius: 50%; background: var(--c-primary-light);
    color: var(--c-primary); display: flex; align-items: center; justify-content: center; font-size: 17px;
}
.header-phone .num { font-family: var(--font-head); font-size: 19px; font-weight: 700; color: var(--c-primary-dark); letter-spacing: .5px; line-height: 1.2; }
.header-phone .label { font-size: 12px; color: var(--c-text-muted); }

/* 汉堡按钮 */
.nav-toggle {
    display: none; width: 44px; height: 44px; border: none; background: transparent;
    align-items: center; justify-content: center; font-size: 22px; color: var(--c-primary-dark); cursor: pointer;
}
.mobile-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 1040; }

/* 移动端抽屉 */
.mobile-drawer {
    position: fixed; top: 0; right: -300px; width: 290px; max-width: 84vw; height: 100%;
    background: #fff; z-index: 1050; overflow-y: auto; transition: right .3s ease;
    display: flex; flex-direction: column;
}
.mobile-drawer.open { right: 0; }
.mobile-drawer .drawer-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--c-border); background: var(--c-primary);
}
.mobile-drawer .drawer-head .logo-text .cn { color: #fff; font-size: 18px; }
.mobile-drawer .drawer-head .logo-text .en { color: rgba(255,255,255,.7); }
.drawer-close { background: transparent; border: none; color: #fff; font-size: 22px; cursor: pointer; width: 36px; height: 36px; }
.drawer-nav a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 22px; font-size: 15.5px; color: #2B2F36; border-bottom: 1px solid #F2F3F5;
}
.drawer-nav .drawer-sub a { padding-left: 40px; font-size: 14px; color: var(--c-text-sub); background: #FAFBFC; }
.drawer-nav a.active, .drawer-nav a:active { color: var(--c-primary); }
.drawer-foot { margin-top: auto; padding: 22px; background: var(--c-bg); }
.drawer-foot .tel { font-family: var(--font-head); font-size: 20px; font-weight: 700; color: var(--c-primary-dark); }

/* ---------- Hero 轮播 ---------- */
.hero-carousel .carousel-item { height: clamp(460px, 66vh, 680px); }
.hero-slide { position: relative; height: 100%; background-size: cover; background-position: center; }
.hero-slide::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(15,55,104,.88) 0%, rgba(22,74,134,.68) 45%, rgba(22,74,134,.25) 100%);
}
.hero-slide .container-pump { position: relative; height: 100%; display: flex; align-items: center; }
.hero-content { max-width: 740px; color: #fff; padding: 28px 0 40px; }
.hero-tag {
    display: inline-block; font-size: 13.5px; letter-spacing: 3px; color: #fff;
    border: 1px solid rgba(255,255,255,.55); border-radius: 2px; padding: 5px 16px; margin-bottom: 16px;
}
.hero-content h1 {
    color: #fff; font-size: clamp(28px, 3.4vw, 42px); font-weight: 700; line-height: 1.3;
    font-family: var(--font-head); letter-spacing: 1px; margin-bottom: 16px;
}
.hero-content p { font-size: clamp(14.5px, 1.4vw, 16.5px); color: rgba(255,255,255,.9); line-height: 1.8; margin-bottom: 24px; max-width: 600px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-actions .btn-pump { background: var(--c-gold); border-color: var(--c-gold); }
.hero-actions .btn-pump:hover { background: #B8934B; border-color: #B8934B; box-shadow: 0 6px 16px rgba(200,164,92,.35); }
.hero-actions .btn-ghost {
    border: 1px solid rgba(255,255,255,.7); color: #fff; background: rgba(255,255,255,.08); backdrop-filter: blur(4px);
}
.hero-actions .btn-ghost:hover { background: rgba(255,255,255,.2); color: #fff; }
.hero-carousel .carousel-indicators { margin-bottom: 1rem; }
.hero-carousel .carousel-indicators [data-bs-target] { width: 28px; height: 3px; border-radius: 2px; background: rgba(255,255,255,.5); border: none; opacity: 1; transition: all .25s; }
.hero-carousel .carousel-indicators .active { background: var(--c-gold); width: 40px; }
.hero-carousel .carousel-control-prev, .hero-carousel .carousel-control-next { width: 8%; opacity: 0; transition: opacity .25s; }
.hero-carousel:hover .carousel-control-prev, .hero-carousel:hover .carousel-control-next { opacity: .8; }
.hero-carousel .carousel-control-prev-icon, .hero-carousel .carousel-control-next-icon { width: 22px; height: 36px; }

/* ---------- 数据条 ---------- */
.stats-bar { background: var(--c-primary); position: relative; overflow: hidden; }
.stats-bar::before { content: ""; position: absolute; right: -80px; top: -60px; width: 240px; height: 240px; border: 26px solid rgba(255,255,255,.05); border-radius: 50%; }
.stats-bar .container-pump { display: grid; grid-template-columns: repeat(4,1fr); position: relative; }
.stat-item { text-align: center; padding: 26px 16px; color: #fff; border-right: 1px solid rgba(255,255,255,.12); }
.stat-item:last-child { border-right: none; }
.stat-item .num { font-family: var(--font-head); font-size: 34px; font-weight: 700; line-height: 1.1; color: #fff; }
.stat-item .num .plus { color: var(--c-gold); }
.stat-item .unit { font-size: 15px; color: rgba(255,255,255,.85); margin-left: 2px; font-weight: 400; }
.stat-item .label { font-size: 13px; color: rgba(255,255,255,.78); margin-top: 4px; letter-spacing: 1px; }

/* ---------- 通用区块 ---------- */
.section { padding: 70px 0; }
.section-alt { background: #fff; }
.section-head { text-align: center; margin-bottom: 46px; display: flex; flex-direction: column; align-items: center; }
.section-head .eyebrow { order: 2; margin-top: 14px; margin-bottom: 0; }
.section-head h2 { order: 1; }
.section-head .sub { order: 3; }
.section-head .eyebrow {
    display: inline-block; font-family: var(--font-head); font-size: 13px; letter-spacing: 4px;
    color: var(--c-primary); text-transform: uppercase; font-weight: 600;
}
.section-head h2 { font-size: clamp(24px, 2.8vw, 32px); font-weight: 700; position: relative; display: inline-block; padding-bottom: 16px; }
.section-head h2::after {
    content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 46px; height: 3px; background: var(--c-gold); border-radius: 2px;
}
.section-head .sub { color: var(--c-text-sub); margin-top: 10px; font-size: 15px; }
.section-head-left { text-align: left; margin-bottom: 34px; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.section-head-left h2 { font-size: 26px; font-weight: 700; padding-left: 15px; border-left: 4px solid var(--c-primary); line-height: 1.2; }
.section-head-left h2 small { display: block; font-family: var(--font-head); font-size: 11.5px; color: var(--c-text-muted); letter-spacing: 3px; font-weight: 400; margin-top: 4px; }
.more-link { color: var(--c-text-sub); font-size: 14px; }
.more-link:hover { color: var(--c-primary); }
.more-link i { font-size: 12px; margin-left: 4px; }

/* ---------- 产品卡片 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card {
    background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
    overflow: hidden; transition: all .3s ease; display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: #D7E5DC; }
.product-card .p-img {
    position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #F2F4F6;
}
.product-card .p-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.product-card:hover .p-img img { transform: scale(1.06); }
.product-card .p-cat {
    position: absolute; left: 10px; top: 10px; background: rgba(35,96,64,.9); color: #fff;
    font-size: 12px; padding: 3px 10px; border-radius: 2px;
}
.product-card .p-body { padding: 17px 18px 19px; display: flex; flex-direction: column; flex: 1; }
.product-card .p-name { font-size: 16px; font-weight: 600; margin-bottom: 7px; line-height: 1.45; min-height: 46px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card .p-name a:hover { color: var(--c-primary); }
.product-card .p-desc {
    font-size: 13px; color: var(--c-text-sub); line-height: 1.7; margin-bottom: 14px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1;
}
.product-card .p-foot { display: flex; align-items: center; justify-content: space-between; border-top: 1px dashed var(--c-border); padding-top: 12px; }
.product-card .p-model { font-size: 12.5px; color: var(--c-text-muted); }
.product-card .p-inquiry { font-size: 13px; color: var(--c-primary); font-weight: 500; }
.product-card .p-inquiry:hover { color: var(--c-gold); }

/* 首页分类大块 */
.cat-tiles { display: grid; grid-template-columns: repeat(5,1fr); gap: 18px; }
.cat-tile {
    background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
    padding: 30px 16px 26px; text-align: center; transition: all .3s ease;
}
.cat-tile:hover { border-color: var(--c-primary); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.cat-tile .ct-ico {
    width: 62px; height: 62px; margin: 0 auto 14px; border-radius: 50%;
    background: var(--c-primary-light); color: var(--c-primary);
    display: flex; align-items: center; justify-content: center; font-size: 26px; transition: all .3s ease;
}
.cat-tile:hover .ct-ico { background: var(--c-primary); color: #fff; }
.cat-tile h3 { font-size: 16.5px; margin-bottom: 8px; }
.cat-tile p { font-size: 12.5px; color: var(--c-text-muted); }

/* ---------- 关于我们 ---------- */
.about-section { background: #fff; }
.about-wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.about-imgs { position: relative; }
.about-imgs .main-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 4/3; }
.about-imgs .main-img img { width: 100%; height: 100%; object-fit: cover; }
.about-imgs .exp-badge {
    position: absolute; right: -18px; bottom: -24px; background: var(--c-primary);
    color: #fff; border-radius: var(--radius-lg); padding: 22px 28px; text-align: center; box-shadow: var(--shadow-md);
}
.about-imgs .exp-badge .y { font-family: var(--font-head); font-size: 40px; font-weight: 700; line-height: 1; }
.about-imgs .exp-badge .y span { font-size: 17px; }
.about-imgs .exp-badge .t { font-size: 13px; margin-top: 5px; color: rgba(255,255,255,.85); }
.about-text .eyebrow { font-family: var(--font-head); letter-spacing: 4px; color: var(--c-gold); font-size: 13px; font-weight: 600; }
.about-text h2 { font-size: clamp(24px, 2.6vw, 31px); margin: 10px 0 18px; font-weight: 700; line-height: 1.35; }
.about-text .lead { color: #444; font-size: 15.5px; margin-bottom: 14px; }
.about-text p { color: var(--c-text-sub); margin-bottom: 12px; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 24px 0 30px; }
.about-points li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; }
.about-points i { color: var(--c-primary); margin-top: 5px; }

/* ---------- 优势 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.why-card {
    background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
    padding: 36px 26px; position: relative; overflow: hidden; transition: all .3s ease;
}
.why-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: var(--c-primary); transform: scaleX(0); transform-origin: left; transition: transform .35s ease; }
.why-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.why-card:hover::before { transform: scaleX(1); }
.why-card .num-mark { position: absolute; right: 14px; top: 6px; font-family: var(--font-head); font-size: 54px; font-weight: 700; color: #F0F2F4; line-height: 1; }
.why-card .ico {
    width: 56px; height: 56px; border-radius: var(--radius); background: var(--c-primary-light);
    color: var(--c-primary); display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 20px; position: relative;
}
.why-card h3 { font-size: 18px; margin-bottom: 11px; }
.why-card p { font-size: 14px; color: var(--c-text-sub); line-height: 1.8; }

/* ---------- 应用领域 ---------- */
.field-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 16px; }
.field-card {
    position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 1/1.05;
    display: flex; align-items: flex-end; color: #fff;
}
.field-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.field-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(13,28,20,.86) 0%, rgba(13,28,20,.15) 55%, rgba(13,28,20,.05) 100%); transition: background .3s; }
.field-card:hover img { transform: scale(1.08); }
.field-card:hover::after { background: linear-gradient(0deg, rgba(35,96,64,.92) 0%, rgba(35,96,64,.3) 70%); }
.field-card .fc-text { position: relative; padding: 16px 14px; width: 100%; }
.field-card h3 { color: #fff; font-size: 16px; margin-bottom: 2px; }
.field-card p { font-size: 11.5px; color: rgba(255,255,255,.8); transform: translateY(6px); opacity: 0; transition: all .3s ease; }
.field-card:hover p { transform: translateY(0); opacity: 1; }

/* ---------- 新闻/案例 通用卡片 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.news-card {
    background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
    overflow: hidden; transition: all .3s ease; display: flex; flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.news-card .n-img { aspect-ratio: 16/9; overflow: hidden; background: #F2F4F6; }
.news-card .n-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.news-card:hover .n-img img { transform: scale(1.05); }
.news-card .n-body { padding: 19px 20px 21px; display: flex; flex-direction: column; flex: 1; }
.news-card .n-meta { font-size: 12.5px; color: var(--c-text-muted); margin-bottom: 9px; display: flex; gap: 14px; }
.news-card .n-meta i { color: var(--c-gold); margin-right: 4px; }
.news-card h3 { font-size: 16.5px; line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 49px; }
.news-card p { font-size: 13.5px; color: var(--c-text-sub); line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; flex: 1; }
.news-card .n-more { font-size: 13.5px; color: var(--c-primary); }

/* 案例墙 */
.case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.case-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3; color: #fff; box-shadow: var(--shadow-sm); }
.case-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.case-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(10,26,18,.9) 0%, rgba(10,26,18,.25) 50%, rgba(10,26,18,0) 75%); }
.case-card:hover img { transform: scale(1.07); }
.case-card .case-info { position: absolute; left: 0; right: 0; bottom: 0; padding: 20px 22px; z-index: 2; }
.case-card .case-tag { display: inline-block; font-size: 12px; background: var(--c-gold); padding: 2px 10px; border-radius: 2px; margin-bottom: 8px; }
.case-card h3 { color: #fff; font-size: 17.5px; margin-bottom: 6px; }
.case-card .case-meta { font-size: 12.5px; color: rgba(255,255,255,.82); max-height: 0; opacity: 0; overflow: hidden; transition: all .35s ease; }
.case-card:hover .case-meta { max-height: 60px; opacity: 1; }

/* 案例筛选（容器样式放在文件末尾 ".case-filter { display:flex;... }"，按钮样式由 .case-filter button 统一） */

/* ---------- FAQ ---------- */
.faq-wrap { margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); margin-bottom: 14px; overflow: hidden; transition: all .25s; }
.faq-item[open] { border-color: #CBD8E6; box-shadow: var(--shadow-sm); }
.faq-item summary {
    list-style: none; cursor: pointer; padding: 19px 52px 19px 24px; position: relative;
    font-size: 16px; font-weight: 600; color: #2B333D; display: flex; align-items: center; gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900;
    position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
    color: var(--c-primary); font-size: 13px; transition: transform .3s ease;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(180deg); }
.faq-item summary .q-ico { color: var(--c-gold); font-size: 17px; }
.faq-item .faq-a { padding: 0 24px 20px 49px; color: var(--c-text-sub); font-size: 14.5px; line-height: 1.9; }

/* ---------- CTA ---------- */
.cta-band { background: linear-gradient(120deg, var(--c-primary-darker), var(--c-primary) 70%); color: #fff; padding: 46px 0; margin-top: 40px; }
.cta-band .container-pump { max-width: 100%; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; font-size: clamp(21px, 2.4vw, 27px); margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,.85); font-size: 14.5px; }
.cta-band .btn-pump { background: var(--c-gold); border-color: var(--c-gold); }
.cta-band .btn-pump:hover { background: #B8934B; border-color: #B8934B; }
.cta-band .cta-phone { font-family: var(--font-head); font-size: 30px; font-weight: 700; color: #fff; letter-spacing: 1px; }

/* ---------- 内页 banner ---------- */
.page-banner { height: 230px; position: relative; background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; text-align: center; color: #fff; }
.page-banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(15,55,104,.82), rgba(15,55,104,.72)); }
.page-banner .pb-inner { position: relative; }
.page-banner h1, .page-banner .pb-title { color: #fff; font-size: clamp(26px, 3.4vw, 36px); font-weight: 700; font-family: var(--font-head); letter-spacing: 2px; margin-bottom: 10px; }
.page-banner p { color: rgba(255,255,255,.82); font-size: 14px; letter-spacing: 2px; }

.crumb-bar { background: #fff; border-bottom: 1px solid var(--c-border); font-size: 13.5px; color: var(--c-text-muted); }
.crumb-bar .container-pump { padding-top: 13px; padding-bottom: 13px; }
.crumb-bar i { font-size: 11px; margin: 0 8px; color: #C4C9D0; }
.crumb-bar .current { color: var(--c-text); }

/* ---------- 内页布局 ---------- */
.inner-section { padding: 36px 0 70px; }
/* show_news 内容页收紧顶部间距 */
.inner-section.sec-tight { padding-top: 20px; }
.inner-layout { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 28px; align-items: start; }
/* show_news 等高布局：白卡与侧栏齐平，上下篇沉到卡片底部 */
.inner-layout.is-stretch { align-items: stretch; }
.inner-layout.is-stretch .content-panel { display: flex; flex-direction: column; height: 100%; }
.inner-layout.is-stretch .prev-next { margin-top: auto; padding-top: 6px; }

/* 侧栏 */
.sidebar { position: sticky; top: calc(var(--header-h) + 16px); display: flex; flex-direction: column; gap: 16px; }
.side-box { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 18px 18px 16px; }
.side-title {
    display: flex; align-items: center; gap: 0; flex-wrap: nowrap;
    padding: 0 0 12px; margin-bottom: 12px;
    border-bottom: 1px solid var(--c-border);
    font-size: 14px; font-weight: 600; color: var(--c-text); letter-spacing: .5px;
}
.side-title::before { display: none; }
.side-title i { font-size: 13px; color: var(--c-primary); margin-right: 7px; }
.side-title span { display: inline; }
.side-title .side-sub-en {
    font-size: 11px; font-weight: 400; color: #B6BDC7; letter-spacing: 1px; text-transform: uppercase;
    margin-left: 8px;
}

/* ===== 侧栏列表统一视觉（分类 + 热门 共用） ===== */
.side-nav, .side-hot { display: flex; flex-direction: column; gap: 2px; }
.side-nav a, .side-hot a {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px; font-size: 13px; color: var(--c-text-sub);
    border-radius: var(--radius); border: none; border-left: none;
    transition: background .15s, color .15s;
    position: relative;
}
.side-nav a i { font-size: 10px; color: #C2C8D0; flex-shrink: 0; }
.side-nav a:hover, .side-hot a:hover { background: var(--c-primary-light); color: var(--c-primary); }
.side-nav a:hover i { color: var(--c-primary); }
.side-nav a.active { background: var(--c-primary); color: #fff; font-weight: 500; }
.side-nav a.active i { color: rgba(255,255,255,.8); }
.side-nav .side-sub a { padding-left: 26px; font-size: 12.5px; color: var(--c-text-muted); }
.side-nav .side-sub a:hover { color: var(--c-primary); }

/* 热门文章 */
.side-hot img { width: 46px; height: 34px; object-fit: cover; border-radius: var(--radius); flex-shrink: 0; background: #F2F4F6; }
.side-hot .t { font-size: 12.5px; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-hot a:hover .t { color: var(--c-primary); }
.side-hot a:hover img { transform: scale(1.03); transition: transform .3s; }

/* ===== 技术咨询：电话 + 询价 上下两个等高按钮 ===== */
.side-contact { padding: 18px 18px 16px; }
.sc-tel-block, .side-contact .btn-pump.w-100 {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    height: 44px; border-radius: var(--radius);
    font-size: 14px; font-weight: 600; text-decoration: none;
    padding: 0 16px;
}
.sc-tel-block {
    background: var(--c-primary-light); border: 1px solid var(--c-primary);
    color: var(--c-primary-dark); margin-bottom: 10px; transition: all .15s;
}
.sc-tel-block:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.sc-tel-block:hover .sc-tel-text { color: #fff; }
.sc-tel-block i { font-size: 15px; color: var(--c-primary); transition: color .15s; }
.sc-tel-block:hover i { color: #fff; }
.sc-tel-block .sc-tel-text { font-family: var(--font-head); letter-spacing: .5px; color: var(--c-primary-dark); transition: color .15s; }
.sc-tips { list-style: none; padding: 10px 14px; margin: 0 0 14px; background: var(--c-bg); border-radius: var(--radius); border: 1px solid #F0F2F5; }
.sc-tips li { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--c-text-sub); line-height: 1.9; }
.sc-tips li + li { border-top: 1px dashed #E6E8EC; }
.sc-tips i { color: #fff; background: var(--c-primary); font-size: 8px; width: 14px; height: 14px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.side-contact .btn-pump.w-100 {
    background: var(--c-primary); border: 1px solid var(--c-primary); color: #fff;
    width: 100%; font-weight: 500; margin-bottom: 0;
}
.side-contact .btn-pump.w-100:hover { background: var(--c-primary-dark); border-color: var(--c-primary-dark); }

/* 主内容容器 */
.content-panel { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 32px 34px; }
.content-panel.tight { padding: 26px 28px; }

/* 列表页分类总览卡 */
.cat-overview { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 40px; }
.cat-over { border: 1px solid var(--c-border); border-radius: var(--radius-lg); overflow: hidden; transition: all .3s; background: #fff; }
.cat-over:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.cat-over .co-img { aspect-ratio: 16/8.5; overflow: hidden; }
.cat-over .co-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.cat-over:hover .co-img img { transform: scale(1.05); }
.cat-over .co-body { padding: 18px 20px 20px; }
.cat-over h3 { font-size: 17px; margin-bottom: 8px; display: flex; justify-content: space-between; align-items: center; }
.cat-over h3 i { font-size: 12px; color: var(--c-text-muted); }
.cat-over p { font-size: 13px; color: var(--c-text-sub); margin-bottom: 10px; }
.cat-over .co-series { display: flex; flex-wrap: wrap; gap: 6px; }
.cat-over .co-series a { font-size: 12.5px; color: var(--c-text-sub); background: var(--c-bg); padding: 3px 11px; border-radius: var(--radius); }
.cat-over .co-series a:hover { background: var(--c-primary-light); color: var(--c-primary); }

.subcat-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; padding-bottom: 22px; border-bottom: 1px solid var(--c-border); }
.subcat-bar a { padding: 7px 20px; font-size: 14px; border: 1px solid var(--c-border); border-radius: var(--radius); color: var(--c-text-sub); background: #fff; }
.subcat-bar a:hover, .subcat-bar a.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* ---------- 分页（五指 pagination 兼容） ---------- */
.pump-pagination { display: flex; justify-content: center; flex-wrap: wrap; margin-top: 42px; gap: 6px; list-style: none; padding: 0; }
.pump-pagination ul.pagination { list-style: none !important; padding: 0 !important; margin: 0 !important; display: flex; flex-wrap: wrap; gap: 6px; }
/* 五指两种输出都命中：li 直接子元素 或 ul.pagination > li */
.pump-pagination > li,
.pump-pagination .page-item,
.pump-pagination ul.pagination > li { list-style: none !important; margin: 0 !important; padding: 0 !important; display: inline-flex; }
.pump-pagination > li::marker,
.pump-pagination .page-item::marker,
.pump-pagination ul.pagination > li::marker { display: none !important; content: "" !important; }
.pump-pagination > li > a, .pump-pagination > li > span,
.pump-pagination .page-item .page-link,
.pump-pagination .page-item .page-num,
.pump-pagination .page-item > a,
.pump-pagination .page-item > span,
.pump-pagination ul.pagination > li > a,
.pump-pagination ul.pagination > li > span {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 38px; height: 38px; padding: 0 12px; border-radius: var(--radius) !important;
    border: 1px solid var(--c-border); color: var(--c-text-sub); background: #fff; font-size: 13px; text-decoration: none;
}
.pump-pagination > li > a:hover, .pump-pagination > li > span:hover,
.pump-pagination .page-item .page-link:hover,
.pump-pagination .page-item > a:hover,
.pump-pagination .page-item > span:hover,
.pump-pagination ul.pagination > li > a:hover,
.pump-pagination ul.pagination > li > span:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-light); }
.pump-pagination > li.active > a, .pump-pagination > li.active > span,
.pump-pagination .page-item.active .page-link,
.pump-pagination .page-item.active > a,
.pump-pagination .page-item.active > span,
.pump-pagination ul.pagination > li.active > a,
.pump-pagination ul.pagination > li.active > span { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.pump-pagination > li.disabled > a, .pump-pagination > li.disabled > span,
.pump-pagination .page-item.disabled .page-link,
.pump-pagination .page-item.disabled > a,
.pump-pagination .page-item.disabled > span,
.pump-pagination ul.pagination > li.disabled > a,
.pump-pagination ul.pagination > li.disabled > span { color: #C4C9D0; border-color: var(--c-border); }

/* ---------- 产品详情 ---------- */
.pd-top { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; margin-bottom: 36px; align-items: stretch; }
.pd-gallery { display: flex; flex-direction: column; }
.pd-gallery .pd-main { border: 1px solid var(--c-border); border-radius: var(--radius-lg); overflow: hidden; background: #F5F7F9; flex: 1; display: flex; align-items: center; justify-content: center; }
.pd-gallery .pd-main img { max-width: 100%; max-height: 100%; object-fit: contain; padding: 20px; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.pd-thumbs img { width: 76px; height: 76px; object-fit: cover; border: 1px solid var(--c-border); border-radius: var(--radius); cursor: pointer; padding: 5px; background: #fff; }
.pd-thumbs img.active, .pd-thumbs img:hover { border-color: var(--c-primary); }
.pd-info { display: flex; flex-direction: column; min-height: 100%; }
.pd-info h1 { font-size: 25px; font-weight: 700; line-height: 1.4; margin-bottom: 12px; }
.pd-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.pd-tags span { font-size: 12.5px; background: var(--c-primary-light); color: var(--c-primary-dark); padding: 4px 12px; border-radius: 2px; }
.pd-summary { color: var(--c-text-sub); font-size: 14.5px; line-height: 1.85; padding-bottom: 20px; border-bottom: 1px dashed var(--c-border); margin-bottom: 20px; }
.pd-quick { margin-bottom: 24px; }
.pd-quick .q-row { display: flex; padding: 8px 0; font-size: 14.5px; }
.pd-quick .q-row .q-label { width: 92px; color: var(--c-text-muted); flex-shrink: 0; }
.pd-quick .q-row .q-val { color: #2B333D; font-weight: 500; }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: auto; }

/* ---------- 详情分节（纵向展开，无 tab） ---------- */
.pd-section { padding: 24px 0 26px; border-bottom: 1px dashed var(--c-border); }
.pd-section:first-child { padding-top: 4px; }
.pd-section:last-child { border-bottom: none; padding-bottom: 4px; }
.pd-sec-title {
    font-size: 16px; font-weight: 600; color: var(--c-text); margin: 0 0 16px;
    padding: 0 0 0 14px; position: relative;
    border-bottom: none; letter-spacing: .5px;
}
.pd-sec-title::before { content: ""; position: absolute; left: 0; top: 3px; bottom: 3px; width: 3px; background: var(--c-primary); border-radius: 2px; }
.pd-sec-title i { font-size: 13px; color: var(--c-primary); margin-right: 8px; }
.pd-section .article-content h2 { display: none; }
.pd-section .article-content h3 { font-size: 15px; font-weight: 600; color: var(--c-text); margin: 22px 0 10px; padding-left: 10px; border-left: 2px solid var(--c-primary-light); }
.pd-section .article-content h3:first-of-type { margin-top: 0; }

/* 参数表：无边框扁平工业风 */
.table-wrap { overflow-x: auto; }
.article-content .spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 560px; margin: 18px 0; border: none; }
.article-content .spec-table thead th { background: #2B333D; color: #fff; font-weight: 600; border: none; padding: 14px 18px; text-align: left; font-size: 14.5px; }
.article-content .spec-table tbody td { border: none; border-top: 1px solid #EEF0F3; padding: 13px 18px; text-align: left; font-size: 14.5px; vertical-align: top; }
.article-content .spec-table tbody tr:first-child td { border-top: none; }
.article-content .spec-table tbody td:first-child { font-weight: 600; color: var(--c-text); width: 170px; background: #FAFBFC; }
.article-content .spec-table tbody tr:hover td:first-child { background: var(--c-primary-light); }
.article-content .spec-table tbody tr:hover td:last-child { background: #FAFBFC; }

/* 相关产品 */
.related-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.related-row .product-card .p-name { font-size: 14.5px; min-height: 42px; }

/* ---------- 文章（新闻/单页） ---------- */
.article-head { border-bottom: 1px solid var(--c-border); padding-bottom: 24px; margin-bottom: 28px; }
.article-head h1 { font-size: 26px; font-weight: 700; line-height: 1.45; margin-bottom: 16px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 20px; font-size: 13.5px; color: var(--c-text-muted); }
.article-meta i { color: var(--c-gold); margin-right: 5px; }
.article-content { font-size: 15.5px; color: #3A424B; line-height: 2; }
.article-content p { margin-bottom: 18px; }
.article-content h2 { font-size: 21px; margin: 34px 0 16px; padding-left: 13px; border-left: 4px solid var(--c-primary); }
.article-content h3 { font-size: 18px; margin: 26px 0 12px; }
.article-content img { border-radius: var(--radius); margin: 20px auto; box-shadow: var(--shadow-sm); }
.article-content ul.dot { margin: 0 0 18px 4px; }
.article-content ul.dot li { position: relative; padding-left: 20px; margin-bottom: 9px; }
.article-content ul.dot li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 6px; height: 6px; background: var(--c-primary); border-radius: 50%; }
.article-content table { width: 100%; margin: 18px 0; }
.article-content table th, .article-content table td { border: 1px solid #E3E6EA; padding: 10px 14px; font-size: 14px; }
.article-content table th { background: var(--c-primary-light); }
.article-share { display: flex; align-items: center; gap: 12px; padding: 20px 0; border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); margin: 34px 0; font-size: 13.5px; color: var(--c-text-muted); }
.article-share a { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--c-border); display: inline-flex; align-items: center; justify-content: center; color: var(--c-text-sub); }
.article-share a:hover { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.prev-next a { border: 1px solid var(--c-border); border-radius: var(--radius); padding: 13px 18px; font-size: 13.5px; color: var(--c-text-sub); background: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prev-next a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.prev-next .next { text-align: right; }
.prev-next .empty { color: #C4C9D0; }

/* 新闻列表（图文行） */
.news-list-row { display: flex; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--c-border); }
.news-list-row:first-child { padding-top: 4px; }
.news-list-row .nl-img { width: 200px; flex-shrink: 0; }
.news-list-row .nl-img a { display: block; aspect-ratio: 16/10; border-radius: var(--radius); overflow: hidden; background: #F2F4F6; }
.news-list-row .nl-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.news-list-row .nl-img a:hover img { transform: scale(1.05); }
.news-list-row .nl-body { flex: 1; display: flex; flex-direction: column; }
.news-list-row h3 { font-size: 16px; margin-bottom: 6px; line-height: 1.5; }
.news-list-row h3 a:hover { color: var(--c-primary); }
.news-list-row .nl-meta { font-size: 12px; color: var(--c-text-muted); margin-top: 6px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.news-list-row .nl-meta .nl-meta-left { display: flex; align-items: center; }
.news-list-row .nl-meta .nl-meta-left i { color: var(--c-gold); margin-right: 4px; }
.news-list-row p { font-size: 13px; color: var(--c-text-sub); line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-list-row .nl-more { padding-left: auto; font-size: 13px; color: var(--c-primary); white-space: nowrap; flex-shrink: 0; }

/* ---------- 关于：时间线 ---------- */
.timeline { position: relative; padding-left: 34px; margin: 20px 0; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: #D6DFE9; }
.timeline li { position: relative; padding-bottom: 26px; }
.timeline li::before { content: ""; position: absolute; left: -31px; top: 5px; width: 12px; height: 12px; background: #fff; border: 3px solid var(--c-primary); border-radius: 50%; }
.timeline li .y { font-family: var(--font-head); font-size: 19px; font-weight: 700; color: var(--c-primary-dark); }
.timeline li .t { color: var(--c-text-sub); font-size: 14.5px; margin-top: 3px; }

/* 关于聚合卡片 */
.about-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.about-card { display: flex; gap: 20px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 26px; transition: all .3s; }
.about-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.about-card .ac-ico { width: 58px; height: 58px; border-radius: var(--radius); background: var(--c-primary-light); color: var(--c-primary); display: flex; align-items: center; justify-content: center; font-size: 24px; flex-shrink: 0; }
.about-card h3 { font-size: 18px; margin-bottom: 7px; }
.about-card p { font-size: 13.5px; color: var(--c-text-sub); margin-bottom: 10px; line-height: 1.8; }
.about-card .ac-link { font-size: 13.5px; color: var(--c-primary); }

/* 联系 */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: stretch; }
.contact-info { display: flex; flex-direction: column; justify-content: space-between; height: 100%; gap: 20px; }
.contact-info li { display: flex; gap: 15px; margin-bottom: 0; }
.contact-info .ci-ico { width: 46px; height: 46px; border-radius: 50%; background: var(--c-primary-light); color: var(--c-primary); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.contact-info h4 { font-size: 15.5px; margin-bottom: 3px; }
.contact-info p { font-size: 14px; color: var(--c-text-sub); }
.contact-form .form-control, .contact-form select { border-radius: var(--radius); border-color: #DDE1E6; padding: 10px 14px; font-size: 14.5px; }
.contact-form .form-control:focus, .contact-form select:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(45,122,79,.13); }
.contact-form label { font-size: 14px; color: #374151; margin-bottom: 6px; font-weight: 500; }
.contact-form label .req { color: #C0392B; }
.map-placeholder { border-radius: var(--radius-lg); overflow: hidden; margin-top: 30px; border: 1px solid var(--c-border); }
.map-placeholder img { width: 100%; aspect-ratio: 21/7; object-fit: cover; }

/* ---------- 页脚 ---------- */
.site-footer { background: linear-gradient(180deg, var(--c-dark), var(--c-darker)); color: rgba(255,255,255,.68); padding-top: 60px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 44px; }
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 20px; position: relative; padding-bottom: 12px; font-weight: 600; }
.site-footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--c-gold); }
.footer-brand .logo-text .cn { color: #fff; }
.footer-brand .logo-text .en { color: rgba(255,255,255,.5); }
.footer-brand p { margin: 18px 0; line-height: 1.9; font-size: 13.5px; }
.footer-contact li { display: flex; gap: 11px; margin-bottom: 13px; align-items: flex-start; }
.footer-contact i { color: var(--c-gold); margin-top: 5px; font-size: 14px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; }
.footer-links a { padding: 6px 0; color: rgba(255,255,255,.68); font-size: 13.5px; }
.footer-links a::before { content: "\f054"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 9px; margin-right: 9px; color: rgba(200,164,92,.7); }
.footer-links a:hover { color: var(--c-gold); }
.footer-qr { display: flex; gap: 10px; }
.footer-qr .qr-box { flex: 1 1 0; min-width: 0; text-align: center; }
.footer-qr .qr-img {
    width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
    border-radius: var(--radius); display: block;
}
.footer-qr p { margin-top: 7px; font-size: 12px; color: rgba(255,255,255,.65); white-space: nowrap; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; font-size: 12.5px; color: rgba(255,255,255,.45); }
.footer-bottom .container-pump { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--c-gold); }

/* ---------- 悬浮工具条 ---------- */
.float-tools { position: fixed; right: 16px; bottom: 90px; z-index: 10086; display: flex; flex-direction: column; gap: 8px; }
.float-tools a {
    width: 52px; height: 52px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-md);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    color: var(--c-primary-dark); font-size: 11px; gap: 2px; position: relative;
}
.float-tools a i { font-size: 18px; }
.float-tools a:hover { background: var(--c-primary); color: #fff; }
.float-tools .ft-wechat .qr-pop {
    position: absolute; right: 62px; top: 50%; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-md);
    padding: 14px; width: 200px; opacity: 0; visibility: hidden;
    transform: translate(8px,-50%); transition: opacity .25s, transform .25s, visibility .25s;
    pointer-events: none; max-height: calc(100vh - 40px); overflow-y: auto;
}
.float-tools .ft-wechat .qr-pop .qrp-head {
    display: block; font-size: 13px; font-weight: 600; color: #1F2937;
    text-align: center; margin-bottom: 11px;
}
.float-tools .ft-wechat .qr-pop .qrp-head i { color: var(--c-primary); margin-right: 4px; }
.float-tools .ft-wechat .qr-pop .qrp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.float-tools .ft-wechat .qr-pop .qrp-cell { text-align: center; }
.float-tools .ft-wechat .qr-pop .qrp-cell img {
    width: 80px; height: 80px; object-fit: cover; display: block; margin: 0 auto; border-radius: var(--radius);
}
.float-tools .ft-wechat .qr-pop .qrp-cell em {
    font-style: normal; font-size: 11px; color: var(--c-text-sub); display: block; margin-top: 5px;
}
.float-tools .ft-wechat:hover .qr-pop { opacity: 1; visibility: visible; transform: translate(0,-50%); }
.float-tools .back-top { opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s; }
.float-tools .back-top.show { opacity: 1; visibility: visible; transform: none; }

/* 悬浮工具条 - 电话/询价浮窗（点击展开，关闭按钮或点外部/Esc 关闭） */
.float-tools .ft-item { position: relative; }
.float-tools .ft-pop {
    position: fixed; right: 78px; top: 50%; z-index: 10090;
    transform: translate(12px, -50%);
    background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
    opacity: 0; visibility: hidden; transition: opacity .22s ease, transform .22s ease, visibility .22s;
    pointer-events: none; margin: 0;
}
.float-tools .ft-item.ft-open .ft-pop {
    opacity: 1; visibility: visible; transform: translate(0, -50%); pointer-events: auto;
}
.float-tools .ft-item.ft-open > a { background: var(--c-primary); color: #fff; }
.ft-close {
    position: absolute; top: 8px; right: 10px; width: 26px; height: 26px;
    border: none; background: transparent; font-size: 20px; line-height: 1;
    color: var(--c-text-muted); cursor: pointer; padding: 0; z-index: 2;
}
.ft-close:hover { color: var(--c-primary); }

/* 重置浮窗内部链接，避免继承工具条 52px 方块样式 */
.float-tools .ft-pop a,
.float-tools .ft-pop a:hover {
    width: auto; height: auto; border-radius: 0; box-shadow: none;
    display: flex; flex-direction: row; align-items: center; justify-content: flex-start;
    background: transparent; color: inherit; font-size: inherit; gap: 0;
    text-decoration: none; transform: none;
    transition: color .2s ease, background-color .2s ease;
}
.float-tools .ft-pop a i { font-size: inherit; }
.float-tools .ft-pop .ftp-more {
    display: block; width: 100%; text-align: center;
    text-decoration: none; transition: color .2s ease;
}
.float-tools .ft-pop .ftp-more:hover {
    color: var(--c-primary); text-decoration: none; background: transparent;
    display: block; width: 100%; text-align: center; transform: none;
}

/* 电话浮窗 */
.ft-pop-phone { width: 264px; padding: 16px 0 10px; max-height: calc(100vh - 40px); overflow-y: auto; }
.ft-pop-phone .ftp-head {
    font-size: 15px; font-weight: 700; color: #1F2937;
    padding: 0 20px 12px; margin-bottom: 4px; border-bottom: 1px solid var(--c-border);
}
.ft-pop-phone .ftp-head i { color: var(--c-primary); margin-right: 6px; }
.ft-pop-phone .ftp-row {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 11px 20px;
}
.float-tools .ft-pop-phone a.ftp-row { width: 100%; gap: 12px; justify-content: space-between; }
.ft-pop-phone a.ftp-row:hover { background: var(--c-primary-light); }
.ft-pop-phone a.ftp-row:hover .ftp-num { color: var(--c-primary); }
.ft-pop-phone .ftp-label { font-size: 13.5px; color: var(--c-text-sub); display: inline-flex; align-items: center; gap: 7px; flex-shrink: 0; white-space: nowrap; }
.ft-pop-phone .ftp-label i { color: var(--c-primary); width: 16px; text-align: center; font-size: 14px; }
.ft-pop-phone .ftp-num { font-family: var(--font-head); font-size: 17px; color: var(--c-primary-dark); letter-spacing: .3px; white-space: nowrap; transition: color .2s ease; }

/* 询价浮窗表单 */
.ft-pop-inquiry { width: 300px; padding: 18px; display: flex; flex-direction: column; gap: 10px; max-height: calc(100vh - 40px); overflow-y: auto; }
.ft-pop-inquiry .ftp-form-title { font-size: 15px; font-weight: 700; color: #1F2937; padding-right: 24px; line-height: 1.5; }
.ft-pop-inquiry .ftp-form-title i { color: var(--c-primary); margin-right: 5px; }
.ft-pop-inquiry input,
.ft-pop-inquiry textarea {
    width: 100%; border: 1px solid #DDE1E6; border-radius: var(--radius);
    padding: 8px 11px; font-size: 13px; font-family: inherit; color: var(--c-text);
}
.ft-pop-inquiry input::placeholder,
.ft-pop-inquiry textarea::placeholder { color: #AEB6C0; }
.ft-pop-inquiry input:focus,
.ft-pop-inquiry textarea:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(30,95,168,.12); }
.ft-pop-inquiry textarea { resize: vertical; min-height: 72px; line-height: 1.7; }
.ft-pop-inquiry .btn-pump { width: 100%; padding: 9px; font-size: 14px; font-family: inherit; border: none; }
.ft-pop-inquiry .ftp-more { font-size: 12.5px; color: var(--c-text-sub); margin-top: -2px; }

/* 触屏设备无 hover：隐藏浮窗，点击图标直接拨打/跳转 */
@media (hover: none) {
    .float-tools .ft-pop { display: none; }
}

/* ---------- 滚动渐入 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ---------- 无图占位（品牌渐变 + 图标） ---------- */
.hero-content h2 { color: #fff; font-size: clamp(28px, 3.4vw, 42px); font-weight: 700; line-height: 1.3; font-family: var(--font-head); letter-spacing: 1px; margin-bottom: 16px; }
.p-img-ph, .cc-ph, .n-img-ph, .sh-ph, .pd-main-ph, .co-ph {
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #E6EEF7 0%, #D4E2F2 55%, #E2ECF6 100%);
    color: #6E97C2; width: 100%; height: 100%;
}
.p-img-ph i, .co-ph i { font-size: 52px; opacity: .55; }
.cc-ph { position: absolute; inset: 0; background: linear-gradient(135deg, #0F3768 0%, #1E5FA8 100%); color: rgba(255,255,255,.5); z-index: 0; }
.cc-ph i { font-size: 58px; }
.n-img-ph { aspect-ratio: 16/9; }
.n-img-ph i { font-size: 42px; opacity: .5; }
.news-list-row .n-img-ph { width: 100%; aspect-ratio: 16/10; }
.sh-ph { width: 72px; height: 54px; border-radius: var(--radius); flex-shrink: 0; }
.sh-ph i { font-size: 20px; }
.pd-main-ph { aspect-ratio: auto; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-lg); }
.pd-main-ph i { font-size: 72px; opacity: .4; }
.empty-state { text-align: center; padding: 32px 20px; color: var(--c-text-muted); font-size: 13px; line-height: 1.8; background: #FAFBFC; border: 1px dashed var(--c-border); border-radius: var(--radius); }
.empty-state i { font-size: 26px; color: #C9D1DC; display: block; margin-bottom: 8px; }
.empty-state p { margin-bottom: 0; }
.empty-state .btn-pump { display: inline-block; margin-top: 10px; font-size: 13px; padding: 8px 20px; }
.cat-over .co-ph { aspect-ratio: 16/8.5; }

/* ---------- 响应式 ---------- */
@media (min-width: 992px) {
    .hero-content h1, .hero-content h2 { white-space: nowrap; }
}
@media (max-width: 1500px) and (min-width: 992px) {
    .logo-text .en { display: none; }
    .header-cta { gap: 10px; }
}
@media (max-width: 1199px) {
    .product-grid { grid-template-columns: repeat(3,1fr); }
    .field-grid { grid-template-columns: repeat(3,1fr); }
    .related-row { grid-template-columns: repeat(2,1fr); }
    .news-grid { grid-template-columns: repeat(3,1fr); }
    .main-nav > ul > li > a { padding: 0 14px; font-size: 15px; }
    .header-phone { display: none; }
}
@media (max-width: 991px) {
    .container-pump { padding: 0 16px; }
    :root { --header-h: 64px; }
    .main-nav { display: none; }
    .nav-toggle { display: inline-flex; }
    .product-grid { grid-template-columns: repeat(2,1fr); }
    .why-grid { grid-template-columns: repeat(2,1fr); }
    .cat-tiles { grid-template-columns: repeat(3,1fr); }
    .news-grid, .case-grid { grid-template-columns: repeat(2,1fr); }
    .stats-bar .container-pump { grid-template-columns: repeat(2,1fr); }
    .stat-item:nth-child(2) { border-right: none; }
    .stat-item:nth-child(1), .stat-item:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.12); }
    .about-wrap { grid-template-columns: 1fr; gap: 44px; }
    .about-imgs { max-width: 560px; }
    .inner-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .side-nav, .side-hot { flex-direction: row; flex-wrap: wrap; gap: 6px; }
    .side-nav a, .side-hot a { padding: 7px 14px; border-radius: var(--radius); }
    .side-nav a.active { background: var(--c-primary-light); color: var(--c-primary); }
    .side-nav a.active i { color: var(--c-primary); }
    .side-hot a { flex-direction: row; width: auto; }
    .side-hot img { display: none; }
    .pd-top { grid-template-columns: 1fr; gap: 28px; }
    .contact-grid { grid-template-columns: 1fr; gap: 30px; }
    .contact-info { height: auto; justify-content: flex-start; gap: 22px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .news-list-row { flex-direction: column; }
    .news-list-row .nl-img { width: 100%; }
    .cat-overview { grid-template-columns: repeat(2,1fr); }
    .content-panel { padding: 24px 20px; }
    .topbar-left .tb-addr { display: none; }
}
@media (max-width: 767px) {
    .section { padding: 52px 0; }
    .topbar { display: none; }
    .hero-carousel .carousel-item { height: clamp(500px, 82vh, 640px); }
    .hero-content { padding: 20px 0 46px; }
    .hero-content p { margin-bottom: 20px; }
    .hero-content h1 { letter-spacing: 0; }
    .hero-slide::before { background: linear-gradient(0deg, rgba(15,55,104,.9) 0%, rgba(22,74,134,.75) 60%, rgba(22,74,134,.55) 100%); }
    .hero-slide .container-pump { align-items: flex-end; padding-bottom: 44px; }
    .product-grid, .news-grid, .case-grid, .why-grid, .about-grid, .cat-overview { grid-template-columns: 1fr; }
    .cat-tiles { grid-template-columns: repeat(2,1fr); }
    .field-grid { grid-template-columns: repeat(2,1fr); }
    .related-row { grid-template-columns: repeat(2,1fr); }
    .stat-item .num { font-size: 33px; }
    .about-points { grid-template-columns: 1fr; }
    .about-imgs .exp-badge { right: 8px; bottom: -18px; padding: 16px 20px; }
    .about-imgs .exp-badge .y { font-size: 31px; }
    .cta-band .container-pump { padding: 0 12px; flex-direction: column; text-align: center; }
    .page-banner { height: 180px; }
    .article-head h1 { font-size: 21px; }
    .pd-info h1 { font-size: 21px; }
    .prev-next { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; padding-bottom: 30px; }
    /* 手机端底部精简：仅保留品牌联系方式与联系我们，隐藏介绍/产品中心/快速导航/地址 */
    .site-footer { padding-top: 38px; }
    .footer-brand > p { display: none; }
    .footer-grid > div:nth-child(2),
    .footer-grid > div:nth-child(3) { display: none; }
    .footer-contact { display: none; }
    .footer-bottom { padding: 14px 0; font-size: 11.5px; }
    .footer-bottom a { font-size: 11.5px; }
    .footer-bottom .container-pump > span:last-child { display: none; }
    .logo img { height: 36px; }
    .float-tools {
        left: 12px; right: auto; bottom: calc(14px + env(safe-area-inset-bottom));
        flex-direction: row; gap: 10px;
    }
    .float-tools .ft-wechat, .float-tools .back-top { display: none; }
    .float-tools .ft-item { width: auto; }
    .float-tools .ft-trigger {
        width: auto !important; height: 42px !important; padding: 0 18px !important;
        flex-direction: row !important; gap: 7px !important; font-size: 14px !important;
        border-radius: var(--radius) !important;
    }
    .float-tools .ft-trigger i { font-size: 16px !important; }
    .float-tools .ft-item:first-child .ft-trigger {
        background: #fff !important; color: var(--c-primary) !important;
        border: 1px solid var(--c-primary) !important;
    }
    .float-tools .ft-item:nth-child(2) .ft-trigger {
        background: var(--c-primary) !important; color: #fff !important;
    }
    .float-tools .ft-item:nth-child(2) .ft-trigger:hover { background: var(--c-primary-dark) !important; }
    .pump-tabs button { padding: 12px 18px; font-size: 14.5px; }
    .section-head-left { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 479px) {
    .cat-tiles, .field-grid, .product-grid, .related-row { grid-template-columns: 1fr; }
    .hero-actions .btn-pump, .hero-actions .btn-pump-outline, .hero-actions .btn-ghost { flex: 1; }
    .stats-bar .container-pump { grid-template-columns: 1fr 1fr; }
    .pd-actions .btn-pump, .pd-actions .btn-pump-outline { flex: 1; }
}

/* ---------- 文章摘要引述 ---------- */
.article-summary { background: #EEF3F9; border-left: 4px solid var(--c-primary); border-radius: 0 var(--radius-lg) var(--radius-lg) 0; padding: 15px 20px; color: #2C4560; font-size: 15px; line-height: 1.9; margin: 0 0 26px; }
.ah-tags { display: inline-flex; gap: 6px; flex-wrap: wrap; }
.ah-tags span { background: var(--c-primary-light); color: var(--c-primary-dark); border-radius: 4px; padding: 2px 9px; font-size: 12.5px; font-weight: 400; }

/* ---------- 案例行业筛选 ---------- */
.case-filter { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.case-filter button { border: 1px solid var(--c-border); background: #fff; color: var(--c-text-sub); border-radius: var(--radius); padding: 8px 24px; font-size: 14px; cursor: pointer; transition: all .25s; }
.case-filter button:hover { border-color: var(--c-primary); color: var(--c-primary); }
.case-filter button.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* ---------- 在线询价表单 ---------- */
#inquiryForm, #homeInquiry { scroll-margin-top: calc(var(--header-h) + 16px); }

/* 联系我们页表单容器 */
.inquiry-block { margin-top: 34px; border: 1px solid var(--c-border); border-radius: var(--radius-lg); background: #fff; padding: 32px 34px; }
.ib-head { margin-bottom: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--c-border); }
.ib-head h2 { font-size: 21px; font-weight: 700; display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.ib-head h2 i { color: var(--c-primary); }
.ib-head h2 span { font-family: var(--font-head); font-size: 12px; letter-spacing: 3px; color: var(--c-text-muted); font-weight: 400; }
.ib-head p { color: var(--c-text-sub); font-size: 14px; margin-top: 9px; }

/* 表单通用 */
.inquiry-form .if-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.inquiry-form .if-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.inquiry-form .if-field { margin-bottom: 16px; display: flex; flex-direction: column; }
.inquiry-form .if-field:last-child { margin-bottom: 0; }
.inquiry-form .if-field label { font-size: 14px; color: #374151; font-weight: 500; margin-bottom: 7px; }
.inquiry-form .if-field label em { color: #C0392B; font-style: normal; margin-left: 2px; }
.inquiry-form .if-field input,
.inquiry-form .if-field textarea {
    width: 100%; border: 1px solid #DDE1E6; border-radius: var(--radius); padding: 10px 14px;
    font-size: 14.5px; font-family: inherit; color: var(--c-text); background: #fff;
    transition: border-color .2s, box-shadow .2s;
}
.inquiry-form .if-field textarea { resize: vertical; min-height: 108px; line-height: 1.8; }
.inquiry-form .if-field input::placeholder,
.inquiry-form .if-field textarea::placeholder { color: #AEB6C0; }
.inquiry-form .if-field input:focus,
.inquiry-form .if-field textarea:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(30,95,168,.12); }
.inquiry-form .if-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-top: 4px; }
.inquiry-form .if-tip { font-size: 13px; color: var(--c-text-muted); display: inline-flex; align-items: center; gap: 7px; }
.inquiry-form .if-tip i, .inquiry-form .if-note i { color: var(--c-primary); }

/* 首页询价区 */
.inquiry-section { background: var(--c-bg); }
.inquiry-wrap { display: grid; grid-template-columns: 1fr 1.05fr; gap: 54px; align-items: stretch; }
.inquiry-aside { display: flex; flex-direction: column; padding: 10px 0; }
.inquiry-aside .eyebrow { display: inline-block; font-family: var(--font-head); font-size: 13px; letter-spacing: 4px; color: var(--c-primary); text-transform: uppercase; font-weight: 600; }
.inquiry-aside h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 700; line-height: 1.3; margin: 14px 0 18px; }
.inquiry-aside > p { color: var(--c-text-sub); font-size: 15px; line-height: 2; margin-bottom: 24px; }
.ia-points li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; margin-bottom: 13px; color: #374151; }
.ia-points i { color: var(--c-primary); }
.ia-hotline { display: flex; align-items: center; gap: 14px; margin-top: auto; padding: 18px 24px; background: var(--c-primary-light); border-radius: var(--radius-lg); }
.ia-ico { width: 46px; height: 46px; border-radius: 50%; background: var(--c-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.ia-label { display: block; font-size: 12.5px; color: var(--c-text-sub); }
.ia-tel { font-family: var(--font-head); font-size: 25px; color: var(--c-primary-dark); letter-spacing: .5px; }
.inquiry-card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 34px 36px; }
.inquiry-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 22px; display: flex; align-items: center; gap: 9px; }
.inquiry-card h3 i { color: var(--c-primary); }
.inquiry-form .if-note { display: block; text-align: center; font-size: 12.5px; color: var(--c-text-muted); margin-top: 12px; }

@media (max-width: 991px) {
    .inquiry-wrap { grid-template-columns: 1fr; gap: 34px; }
    .inquiry-form .if-grid { grid-template-columns: repeat(2, 1fr); }
    .inquiry-form .if-grid .if-field:last-child { grid-column: 1 / -1; }
}
@media (max-width: 767px) {
    .inquiry-block { padding: 24px 20px; }
    .inquiry-card { padding: 26px 20px; }
    .inquiry-form .if-grid, .inquiry-form .if-row2 { grid-template-columns: 1fr; gap: 0; }
    .inquiry-form .if-grid .if-field:last-child { grid-column: auto; }
    .inquiry-form .if-foot { flex-direction: column-reverse; align-items: stretch; }
    .inquiry-form .if-foot .btn-pump { width: 100%; }
    .inquiry-form .if-tip { justify-content: center; }
}
[x-cloak] { display: none !important; }