/* ==========================================================
   前台样式 - 现代科技蓝 / 直角风格
   ========================================================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #2563eb;
    --primary-d: #1d4ed8;
    --primary-l: #eff6ff;
    --dark: #0f172a;
    --dark2: #1e293b;
    --txt: #1f2937;
    --sub: #64748b;
    --bd: #e5e7eb;
    --bg: #ffffff;
    --bg2: #f6f8fc;
    --orange: #f97316;
    --radius: 4px;
}

html { scroll-behavior: smooth; }
body {
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--txt);
    background: var(--bg);
    font-size: 14px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: .2s; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
input, select, textarea, button { font-family: inherit; font-size: 14px; }
.ico { vertical-align: -3px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ============ 顶部信息条 ============ */
.topbar {
    background: var(--dark);
    color: #94a3b8;
    font-size: 13px;
    height: 38px;
    display: flex;
    align-items: center;
}
.topbar .container { display: flex; align-items: center; gap: 22px; width: 100%; }
.topbar .item { display: flex; align-items: center; gap: 6px; line-height: 1; }
.topbar .item .ico { flex-shrink: 0; display: block; vertical-align: 0; }
.topbar .right { margin-left: auto; display: flex; align-items: center; gap: 20px; }
.topbar a:hover { color: #fff; }
.topbar .ico { color: #60a5fa; }

/* ============ 导航 ============ */
.header { background: #fff; border-bottom: 1px solid var(--bd); position: sticky; top: 0; z-index: 200; }
.header.scrolled { box-shadow: 0 4px 18px rgba(15,23,42,.08); }
.header .container { display: flex; align-items: center; height: 72px; gap: 30px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo .mark {
    width: 38px; height: 38px; border-radius: var(--radius);
    background: linear-gradient(135deg, #3b82f6, var(--primary-d));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700; font-size: 19px;
    box-shadow: 0 6px 16px rgba(37,99,235,.3);
}
.logo .name { font-size: 19px; font-weight: 700; letter-spacing: .5px; color: var(--dark); }
.logo .slogan { font-size: 11px; color: var(--sub); letter-spacing: 1px; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.nav > a,
.nav .has-sub > a {
    padding: 8px 15px; font-size: 15px; font-weight: 700; color: #334155; border-radius: var(--radius);
    position: relative;
}
.nav > a:hover,
.nav .has-sub > a:hover { color: var(--primary); background: var(--primary-l); }
.nav > a.active,
.nav .has-sub > a.active { color: var(--primary); font-weight: 700; }
.nav > a.active::after,
.nav .has-sub > a.active::after {
    content: ''; position: absolute; left: 15px; right: 15px; bottom: 2px;
    height: 2px; background: var(--primary);
}
.nav .has-sub { position: relative; }
.nav .sub {
    position: absolute; top: 100%; left: 0; min-width: 180px;
    background: #fff; border: 1px solid var(--bd); border-radius: var(--radius);
    box-shadow: 0 12px 32px rgba(15,23,42,.1);
    padding: 6px; opacity: 0; visibility: hidden; transform: translateY(8px);
    transition: .2s; z-index: 10;
}
.nav .has-sub:hover .sub { opacity: 1; visibility: visible; transform: none; }
.nav .sub a { display: block; padding: 9px 14px; border-radius: 3px; font-size: 14px; color: #475569; }
.nav .sub a:hover { background: var(--primary-l); color: var(--primary); }

.header .search {
    margin-left: auto; display: flex; align-items: center;
    border: 1px solid var(--bd); border-radius: var(--radius); overflow: hidden;
    height: 40px; max-width: 260px; flex: 1; transition: .2s;
}
.header .search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.header .search input { flex: 1; border: none; outline: none; padding: 0 12px; height: 100%; min-width: 0; }
.header .search button {
    border: none; background: var(--primary); color: #fff; width: 46px; height: 100%;
    cursor: pointer; transition: .2s; display: flex; align-items: center; justify-content: center;
}
.header .search button:hover { background: var(--primary-d); }
.header .cta {
    background: var(--primary); color: #fff; height: 40px; padding: 0 20px;
    border-radius: var(--radius); display: flex; align-items: center; gap: 7px;
    font-weight: 600; flex-shrink: 0; white-space: nowrap;
}
.header .cta:hover { background: var(--primary-d); box-shadow: 0 6px 16px rgba(37,99,235,.3); }
.nav-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--dark); }

/* ============ Hero / 首页全幅主视觉 ============ */
.btn-hero {
    height: 48px; padding: 0 30px; border-radius: var(--radius);
    display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px;
}
.btn-hero.primary { background: var(--primary); color: #fff; }
.btn-hero.primary:hover { background: #3b82f6; box-shadow: 0 10px 30px rgba(37,99,235,.35); transform: translateY(-2px); }
.btn-hero.ghost { border: 1px solid rgba(255,255,255,.4); color: #fff; }
.btn-hero.ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }

.home-hero {
    position: relative; min-height: min(42vh, 420px); display: flex; align-items: flex-end;
    color: #fff; overflow: hidden; background: #0f172a;
}
.home-banner-viewport { position: absolute; inset: 0; }
.home-banner-slide {
    position: absolute; inset: 0; opacity: 0; visibility: hidden;
    transition: opacity .55s ease, visibility .55s ease;
    display: flex; align-items: flex-end;
}
.home-banner-slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.home-hero-bg { position: absolute; inset: 0; }
.home-hero-bg img {
    width: 100%; height: 100%; object-fit: cover; object-position: center;
    transform: scale(1.04); animation: homeHeroZoom 14s ease-out forwards;
}
.home-hero-bg--dropship {
    background: linear-gradient(125deg, #0f172a 0%, #1e3a8a 48%, #0ea5e9 100%);
}
.home-hero-bg--startup {
    background: linear-gradient(135deg, #0b1220 0%, #0f766e 42%, #2563eb 100%);
}
.home-hero-veil {
    position: absolute; inset: 0;
    background:
        linear-gradient(90deg, rgba(15,23,42,.88) 0%, rgba(15,23,42,.62) 42%, rgba(15,23,42,.28) 100%),
        linear-gradient(0deg, rgba(15,23,42,.55) 0%, transparent 42%);
}
.home-hero-veil--dropship {
    background:
        linear-gradient(90deg, rgba(15,23,42,.82) 0%, rgba(30,58,138,.55) 48%, rgba(14,165,233,.22) 100%),
        linear-gradient(0deg, rgba(15,23,42,.5) 0%, transparent 48%);
}
.home-hero-veil--startup {
    background:
        linear-gradient(90deg, rgba(11,18,32,.86) 0%, rgba(15,118,110,.5) 50%, rgba(37,99,235,.25) 100%),
        linear-gradient(0deg, rgba(15,23,42,.52) 0%, transparent 48%);
}
.home-hero-grid {
    position: absolute; inset: 0; opacity: .22; pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 56px 56px;
}
.home-hero-inner {
    position: relative; z-index: 2; width: 100%;
    padding-top: 48px; padding-bottom: 56px;
}
.home-hero-copy { max-width: 640px; animation: homeHeroIn .7s ease both; }
.home-banner-slide.is-active .home-hero-copy { animation: homeHeroIn .7s ease both; }
.home-brand {
    margin: 0 0 14px; font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
    font-size: 18px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
    color: #93c5fd;
}
.home-hero h1 {
    margin: 0 0 18px; font-size: clamp(32px, 4.6vw, 52px); line-height: 1.18;
    font-weight: 900; letter-spacing: -.02em;
}
.home-lead {
    margin: 0 0 28px; max-width: 520px; color: #cbd5e1;
    font-size: 16.5px; line-height: 1.85;
}
.home-hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.home-banner-nav {
    position: absolute; z-index: 4; left: 0; right: 0; bottom: 16px;
    display: flex; align-items: center; justify-content: center; gap: 14px;
    pointer-events: none;
}
.home-banner-dots { display: flex; gap: 8px; pointer-events: auto; }
.home-banner-dots button {
    width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%;
    background: rgba(255,255,255,.35); cursor: pointer; transition: .2s;
}
.home-banner-dots button.is-active { background: #fff; width: 26px; border-radius: 999px; }
.home-banner-btn {
    pointer-events: auto; width: 36px; height: 36px; border: 1px solid rgba(255,255,255,.35);
    border-radius: 50%; background: rgba(15,23,42,.35); color: #fff; font-size: 22px;
    line-height: 1; cursor: pointer; backdrop-filter: blur(4px);
}
.home-banner-btn:hover { background: rgba(37,99,235,.75); border-color: transparent; }
@keyframes homeHeroZoom {
    from { transform: scale(1.08); }
    to { transform: scale(1); }
}
@keyframes homeHeroIn {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: none; }
}

.home-metrics {
    background: #0f172a; border-bottom: 1px solid #1e293b;
    padding: 22px 0;
}
.home-metrics .container {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.home-metric {
    padding: 8px 4px; border-left: 2px solid #2563eb;
    padding-left: 16px;
}
.home-metric b {
    display: block; color: #fff; font-size: 26px; line-height: 1.1;
    font-family: "Barlow Condensed", ui-monospace, monospace; font-weight: 700;
}
.home-metric span { color: #94a3b8; font-size: 13px; }

.home-sec { padding: 72px 0; }
#services, #industries { scroll-margin-top: 88px; }
.home-sec-head { margin-bottom: 36px; }
.home-sec-head .tag {
    border-radius: 4px; font-family: "Barlow Condensed", sans-serif;
    letter-spacing: .14em; font-size: 13px;
    padding-left: 0; padding-right: 0; background: transparent;
}
.sec-head.left .tag { margin-left: 0; }
.home-sec-head h2 { font-size: 32px; font-weight: 800; letter-spacing: -.02em; }
.home-more { text-align: center; margin-top: 36px; }
.home-more .btn-hero.primary { display: inline-flex; }
.home-cat:hover .ic { transform: translateY(-2px); }
.home-cat .ic { transition: transform .25s ease; }
.home-adv-grid .adv { transition: transform .25s ease, border-color .25s ease; }
.home-adv-grid .adv:hover { transform: translateY(-3px); }
.home-agent-wrap { padding-top: 0; padding-bottom: 10px; }
.home-agent { min-height: 140px; }

/* 企业官网首页 */
.ent-about-grid {
    display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; align-items: center;
}
.ent-about-text {
    margin: 0 0 18px; color: #475569; font-size: 15.5px; line-height: 1.9; max-width: 640px;
}
.ent-about-points {
    margin: 0 0 24px; padding: 0; list-style: none;
    display: flex; flex-direction: column; gap: 10px;
}
.ent-about-points li {
    position: relative; padding-left: 16px; color: #334155; font-size: 14.5px; line-height: 1.7;
}
.ent-about-points li::before {
    content: ''; position: absolute; left: 0; top: .65em;
    width: 6px; height: 6px; background: #2563eb;
}
.ent-about-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-outline-dark {
    height: 48px; padding: 0 28px; border-radius: var(--radius);
    border: 1px solid #cbd5e1; background: #fff; color: #0f172a;
    display: inline-flex; align-items: center; font-weight: 600; font-size: 15px;
}
.btn-outline-dark:hover { border-color: #2563eb; color: #2563eb; }
.ent-about-media {
    border-radius: 6px; overflow: hidden; border: 1px solid var(--bd);
    background: #e2e8f0; aspect-ratio: 4 / 3; min-height: 280px;
}
.ent-about-media img {
    display: block; width: 100%; height: 100%; object-fit: cover;
}
.ent-biz .ds { color: #64748b; }
.ent-service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}
.ent-service {
    display: block; padding: 20px 18px; background: #fff; border: 1px solid var(--bd);
    border-radius: 6px; transition: .25s; text-decoration: none; color: inherit; min-height: 100%;
}
.ent-service:hover { border-color: #93c5fd; transform: translateY(-3px); box-shadow: 0 12px 28px rgba(15,23,42,.07); }
.ent-service-hd {
    display: flex; align-items: center; gap: 12px; margin-bottom: 10px;
}
.ent-service em {
    display: block; font-style: normal; font-family: "Barlow Condensed", sans-serif;
    font-size: 22px; font-weight: 700; color: #2563eb; letter-spacing: .04em;
    line-height: 1; flex-shrink: 0; min-width: 1.6em;
}
.ent-service h3 { margin: 0; font-size: 17px; color: #0f172a; font-weight: 700; line-height: 1.3; }
.ent-service p { margin: 0; color: #64748b; font-size: 13.5px; line-height: 1.8; }
.ent-service .slogan { margin: 0 0 8px; color: #0f172a; font-size: 14px; font-weight: 700; line-height: 1.5; }
.ent-industry-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.ent-industry {
    padding: 20px 22px; border: 1px solid var(--bd); border-radius: 6px;
    background: linear-gradient(160deg, #fff 0%, #f8fafc 100%);
}
.ent-industry-hd {
    display: flex; align-items: center; gap: 12px; margin-bottom: 8px;
}
.ent-industry em {
    display: block; font-style: normal; font-family: "Barlow Condensed", sans-serif;
    font-size: 20px; font-weight: 700; color: #2563eb; letter-spacing: .04em;
    line-height: 1; flex-shrink: 0; min-width: 1.6em;
}
.ent-industry h3 { margin: 0; font-size: 16px; color: #0f172a; font-weight: 700; line-height: 1.3; }
.ent-industry p { margin: 0; color: #64748b; font-size: 13.5px; line-height: 1.75; }
@media (max-width: 900px) {
    .ent-about-grid { grid-template-columns: 1fr; gap: 22px; }
    .ent-service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
}
@media (max-width: 640px) {
    .ent-service-grid { grid-template-columns: 1fr; }
    .ent-industry-grid { grid-template-columns: 1fr; }
}

/* 兼容旧 hero 类（其他页若引用） */
.hero {
    background: linear-gradient(120deg, #0f172a 0%, #16256b 55%, #1d4ed8 100%);
    color: #fff; position: relative; overflow: hidden; padding: 84px 0 92px;
}
.hero .container { position: relative; z-index: 2; display: flex; align-items: center; gap: 50px; }
.hero .txt { flex: 1; max-width: 620px; }
.hero h1 { font-size: 40px; line-height: 1.28; font-weight: 700; margin-bottom: 18px; }
.hero p { color: #cbd5e1; font-size: 16px; line-height: 1.9; margin-bottom: 30px; max-width: 520px; }
.hero .visual { width: 420px; flex-shrink: 0; }
.hero .visual img { width: 100%; border-radius: 6px; }

/* ============ 通用区块 ============ */
.section { padding: 66px 0; }
.section.bg2 { background: var(--bg2); }
.sec-head { text-align: center; margin-bottom: 44px; }
.sec-head .tag {
    display: inline-block; color: var(--primary); background: var(--primary-l);
    padding: 4px 14px; border-radius: 30px; font-size: 13px; font-weight: 600;
    letter-spacing: 1px; margin-bottom: 14px;
}
.sec-head h2 { font-size: 30px; font-weight: 700; color: var(--dark); letter-spacing: .5px; }
.sec-head p { color: var(--sub); margin-top: 10px; font-size: 15px; }
.sec-head.left { text-align: left; }

/* ============ 分类 ============ */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cat-card {
    background: #fff; border: 1px solid var(--bd); border-radius: var(--radius);
    padding: 26px 22px; text-align: center; transition: .25s; position: relative; overflow: hidden;
}
.cat-card::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
    background: var(--primary); transform: scaleX(0); transition: .25s;
}
.cat-card:hover { border-color: #bfdbfe; transform: translateY(-3px); box-shadow: 0 12px 30px rgba(15,23,42,.07); }
.cat-card:hover::after { transform: scaleX(1); }
.cat-card .ic {
    width: 52px; height: 52px; margin: 0 auto 14px; border-radius: var(--radius);
    background: var(--primary-l); color: var(--primary);
    display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.cat-card .nm { font-size: 16px; font-weight: 600; color: var(--dark); }
.cat-card .ds { color: var(--sub); font-size: 13px; margin-top: 4px; }

/* ============ 产品卡片 ============ */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.prod-card {
    background: #fff; border: 1px solid var(--bd); border-radius: var(--radius);
    overflow: hidden; transition: .25s; display: flex; flex-direction: column;
}
.prod-card:hover { border-color: #bfdbfe; transform: translateY(-4px); box-shadow: 0 16px 38px rgba(15,23,42,.1); }
.prod-card .pic { position: relative; aspect-ratio: 4/3; background: #f1f5f9; overflow: hidden; }
.prod-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.prod-card:hover .pic img { transform: scale(1.06); }
.prod-card .flags { position: absolute; top: 10px; left: 10px; display: flex; gap: 5px; }
.flag { font-size: 11px; padding: 2px 8px; border-radius: 3px; color: #fff; font-weight: 600; }
.flag.hot { background: var(--orange); }
.flag.new { background: #10b981; }
.flag.rec { background: var(--primary); }
.prod-card .body { padding: 15px 16px 17px; flex: 1; display: flex; flex-direction: column; }
.prod-card .cat { font-size: 12px; color: var(--primary); background: var(--primary-l); padding: 1px 8px; border-radius: 3px; display: inline-block; margin-bottom: 8px; }
.prod-card h3 { font-size: 15px; font-weight: 600; line-height: 1.5; color: var(--dark); min-height: 45px; }
.prod-card h3 a:hover { color: var(--primary); }
.prod-card .sum { color: var(--sub); font-size: 13px; margin-top: 6px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.prod-card .foot { display: flex; align-items: flex-end; justify-content: space-between; margin-top: 14px; padding-top: 13px; border-top: 1px solid #f1f5f9; }
.prod-card .price { font-size: 20px; font-weight: 700; color: #dc2626; font-family: ui-monospace, monospace; line-height: 1.1; }
.prod-card .price small { font-size: 13px; font-weight: 500; }
.prod-card .price .n { font-size: 13px; color: var(--sub); font-family: inherit; font-weight: 400; display: block; }
.prod-card .btn-inq {
    background: var(--primary-l); color: var(--primary); padding: 7px 14px; border-radius: var(--radius);
    font-size: 13px; font-weight: 600;
}
.prod-card .btn-inq:hover { background: var(--primary); color: #fff; }

/* ============ 优势 ============ */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.adv {
    background: #fff; border: 1px solid var(--bd); border-radius: var(--radius);
    padding: 28px 22px; transition: .25s;
}
.adv:hover { box-shadow: 0 12px 30px rgba(15,23,42,.07); border-color: #bfdbfe; }
.adv .adv-hd {
    display: flex; align-items: center; gap: 12px; margin-bottom: 12px;
}
.adv .ic {
    width: 44px; height: 44px; border-radius: var(--radius); flex-shrink: 0;
    background: linear-gradient(135deg, #3b82f6, var(--primary-d)); color: #fff;
    display: flex; align-items: center; justify-content: center;
}
.adv .ic .ico { display: block; vertical-align: 0; }
.adv h3 { font-size: 17px; font-weight: 600; margin: 0; color: var(--dark); line-height: 1.3; }
.adv p { color: var(--sub); font-size: 13.5px; line-height: 1.8; margin: 0; }

/* ============ 线索收集 CTA ============ */
.lead-section { background: linear-gradient(120deg, #0f172a, #1e3a8a); color: #fff; padding: 66px 0; position: relative; overflow: hidden; }
.lead-section::after {
    content: ''; position: absolute; width: 460px; height: 460px; border-radius: 50%;
    background: rgba(37,99,235,.35); filter: blur(100px); left: -140px; bottom: -180px;
}
.lead-section .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 460px; gap: 60px; align-items: center; }
.lead-section h2 { font-size: 32px; font-weight: 700; margin-bottom: 16px; letter-spacing: .5px; }
.lead-section p { color: #cbd5e1; font-size: 15.5px; line-height: 1.9; margin-bottom: 26px; }
.lead-section .points { display: flex; flex-direction: column; gap: 13px; }
.lead-section .points li { display: flex; align-items: center; gap: 10px; color: #e2e8f0; font-size: 15px; line-height: 1.4; }
.lead-section .points .ico { color: #34d399; flex-shrink: 0; display: block; vertical-align: 0; }

.lead-form {
    background: #fff; border-radius: 6px; padding: 30px; color: var(--txt);
    box-shadow: 0 24px 60px rgba(2,6,23,.4);
}
.lead-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; color: var(--dark); }
.lead-form .sub { color: var(--sub); font-size: 13px; margin-bottom: 22px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: #374151; }
.field label em { color: #dc2626; font-style: normal; }
.field input, .field textarea, .field select {
    width: 100%; border: 1px solid var(--bd); border-radius: var(--radius);
    padding: 10px 13px; outline: none; transition: .2s; background: #fff;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.field textarea { min-height: 78px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-row-region { grid-template-columns: repeat(3, 1fr); }
.field-row-region select {
    width: 100%; height: 42px; border: 1px solid var(--bd); border-radius: 8px;
    padding: 0 10px; font-size: 14px; background: #fff; color: var(--txt);
}
.field-row-region select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.field-row-region select:disabled { background: #f9fafb; color: #94a3b8; cursor: not-allowed; }
.field-row-sms .sms-input-row { display: flex; gap: 10px; align-items: stretch; }
.field-row-sms .sms-input-row input { flex: 1; min-width: 0; height: 42px; border: 1px solid var(--bd); border-radius: 8px; padding: 0 12px; font-size: 14px; }
.field-row-sms .sms-input-row input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.btn-sms {
    flex-shrink: 0; height: 42px; padding: 0 14px; border: 1px solid var(--primary); border-radius: 8px;
    background: #fff; color: var(--primary); font-size: 13px; font-weight: 600; cursor: pointer; white-space: nowrap; transition: .2s;
}
.btn-sms:hover:not(:disabled) { background: var(--primary-l); }
.btn-sms:disabled { opacity: .55; cursor: not-allowed; border-color: var(--bd); color: var(--sub); background: #f9fafb; }
@media (max-width: 560px) {
    .field-row-sms .sms-input-row { flex-direction: column; }
    .btn-sms { width: 100%; }
}
.btn-submit {
    width: 100%; height: 48px; border: none; border-radius: var(--radius);
    background: linear-gradient(135deg, #3b82f6, var(--primary-d)); color: #fff;
    font-size: 16px; font-weight: 600; cursor: pointer; transition: .2s; margin-top: 6px;
    display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-submit:hover { box-shadow: 0 10px 26px rgba(37,99,235,.4); }
.btn-submit:disabled { opacity: .7; cursor: not-allowed; box-shadow: none; }
.form-tip { font-size: 12px; color: #94a3b8; text-align: center; margin-top: 12px; }

/* ============ 询价弹窗 ============ */
.quote-modal {
    position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center;
    padding: 20px 16px; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .25s, visibility .25s;
}
.quote-modal.show { opacity: 1; visibility: visible; pointer-events: auto; }
.quote-modal-mask {
    position: absolute; inset: 0; background: rgba(15, 23, 42, .55); backdrop-filter: blur(4px);
}
.quote-modal-dialog {
    position: relative; z-index: 1; width: 100%; max-width: 480px; max-height: calc(100vh - 40px);
    overflow-y: auto; border-radius: 8px; animation: quoteModalIn .28s ease-out;
}
.quote-modal-dialog .lead-form { margin: 0; box-shadow: 0 24px 64px rgba(2, 6, 23, .35); }
.quote-modal-close {
    position: absolute; top: 12px; right: 12px; z-index: 2; width: 36px; height: 36px;
    border: none; border-radius: 6px; background: #f1f5f9; color: #64748b; font-size: 18px;
    line-height: 1; cursor: pointer; transition: .2s;
}
.quote-modal-close:hover { background: #e2e8f0; color: var(--dark); }
body.quote-modal-open { overflow: hidden; }
@keyframes quoteModalIn {
    from { opacity: 0; transform: translateY(16px) scale(.98); }
    to { opacity: 1; transform: none; }
}
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ============ 页脚 ============ */
.footer { background: var(--dark); color: #94a3b8; padding: 56px 0 0; font-size: 13.5px; }
.footer .grid {
    display: grid;
    grid-template-columns: minmax(220px, 1.5fr) repeat(auto-fit, minmax(140px, 1fr));
    gap: 40px;
    padding-bottom: 40px;
}
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 18px; font-weight: 600; }
.footer .about p { line-height: 1.9; margin-bottom: 16px; }
.footer ul li { margin-bottom: 11px; }
.footer ul a:hover { color: #fff; padding-left: 4px; }
.footer .contact li { display: flex; gap: 9px; align-items: flex-start; margin-bottom: 13px; line-height: 1.7; }
.footer .contact .ico { color: #60a5fa; margin-top: 3px; flex-shrink: 0; }
.footer .copy {
    border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0;
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
    font-size: 13px; color: #64748b;
}

/* ============ 面包屑 ============ */
.crumb-bar { background: var(--bg2); border-bottom: 1px solid var(--bd); padding: 16px 0; }
.crumb { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--sub); flex-wrap: wrap; }
.crumb a:hover { color: var(--primary); }
.crumb .sep { color: #cbd5e1; }
.crumb .cur { color: var(--dark); font-weight: 500; }

/* ============ 产品列表页 ============ */
.filter-bar {
    background: #fff; border: 1px solid var(--bd); border-radius: var(--radius);
    padding: 6px 18px; margin-bottom: 26px;
}
.filter-row { display: flex; align-items: center; gap: 14px; padding: 13px 0; border-bottom: 1px solid #f1f5f9; flex-wrap: wrap; }
.filter-row:last-child { border-bottom: none; }
.filter-row .lb { color: var(--sub); font-size: 13.5px; width: 64px; flex-shrink: 0; }
.filter-row .opts { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-row .opts a {
    padding: 5px 14px; border-radius: var(--radius); font-size: 13.5px; color: #475569;
    border: 1px solid transparent;
}
.filter-row .opts a:hover { color: var(--primary); background: var(--primary-l); }
.filter-row .opts a.active { background: var(--primary); color: #fff; }

.list-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.list-head .cnt { color: var(--sub); font-size: 13.5px; }
.list-head .cnt b { color: var(--primary); font-family: ui-monospace, monospace; }

/* ============ 产品详情 ============ */
.pd-page {
    padding: 0 0 56px;
    background:
        radial-gradient(ellipse 80% 50% at 10% 0%, rgba(37,99,235,.08), transparent 55%),
        linear-gradient(180deg, #f8fafc 0%, #fff 42%, #fff 100%);
}
.pd-crumb { padding: 18px 0 8px; }
.pd-top {
    display: grid; grid-template-columns: minmax(340px, 540px) 1fr; gap: 44px;
    padding: 32px; margin: 8px 0 0; border: 1px solid var(--bd); border-radius: 8px;
    background: linear-gradient(145deg, #fff 0%, #f8fafc 55%, #eff6ff 100%);
    box-shadow: 0 18px 48px rgba(15, 23, 42, .06);
}
.gallery .main-pic {
    border: 1px solid #e2e8f0; border-radius: 8px; overflow: hidden;
    aspect-ratio: 1 / 1; background:
        linear-gradient(160deg, #0f172a 0%, #1e3a8a 48%, #2563eb 100%);
    position: relative;
}
.gallery .main-pic::after {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(180deg, transparent 70%, rgba(15,23,42,.08) 100%);
}
.gallery .main-pic img {
    width: 100%; height: 100%; object-fit: contain; background: #fff;
    transition: opacity .25s, transform .4s ease;
}
.pd-gallery-bar {
    margin-top: 14px; padding: 12px 12px 10px; border: 1px solid var(--bd);
    border-radius: 6px; background: #fff;
}
.pd-gallery-label {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 10px; font-size: 13.5px; font-weight: 700; color: #0f172a;
}
.pd-gallery-label span { font-weight: 500; color: #94a3b8; font-size: 12.5px; }
.gallery .thumbs {
    display: flex; gap: 10px; flex-wrap: nowrap; overflow-x: auto;
    padding-bottom: 2px; -webkit-overflow-scrolling: touch;
}
.gallery .thumbs .thumb-btn {
    flex: 0 0 auto; width: 76px; height: 76px; padding: 0; border: 1px solid var(--bd);
    border-radius: 6px; cursor: pointer; transition: .2s; background: #fff; overflow: hidden;
}
.gallery .thumbs .thumb-btn img { width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none; }
.gallery .thumbs .thumb-btn:hover,
.gallery .thumbs .thumb-btn.active {
    border-color: var(--primary); box-shadow: 0 0 0 2px rgba(37,99,235,.16); transform: translateY(-1px);
}
.gallery .thumbs img {
    width: 76px; height: 76px; object-fit: cover; border: 1px solid var(--bd);
    border-radius: 6px; cursor: pointer; transition: .2s; background: #fff;
}
.gallery .thumbs img:hover, .gallery .thumbs img.active {
    border-color: var(--primary); box-shadow: 0 0 0 2px rgba(37,99,235,.16); transform: translateY(-1px);
}
.btn-agent:hover { border-color: #0f172a; color: #0f172a; background: #f8fafc; }

.pd-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.pd-tag {
    display: inline-flex; align-items: center; height: 26px; padding: 0 10px;
    border-radius: 4px; font-size: 12px; font-weight: 600; color: #2563eb;
    background: #eff6ff; border: 1px solid #bfdbfe;
}
.pd-tag.hot { color: #c2410c; background: #fff7ed; border-color: #fed7aa; }
.pd-tag.new { color: #047857; background: #ecfdf5; border-color: #a7f3d0; }
.pd-tag.stock { color: #334155; background: #f8fafc; border-color: #e2e8f0; }

.detail-info h1 {
    font-size: 32px; font-weight: 800; line-height: 1.35; color: var(--dark);
    letter-spacing: -.02em; margin: 0;
}
.detail-info .subtitle { color: var(--sub); font-size: 15.5px; margin-top: 12px; line-height: 1.7; max-width: 560px; }
.price-box {
    background: linear-gradient(120deg, #eff6ff, #fff 58%);
    border: 1px solid #bfdbfe; border-radius: 8px;
    padding: 20px 22px; margin: 22px 0; display: flex; flex-direction: column; gap: 8px;
}
.price-box .price-main { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.price-box .now { font-size: 40px; font-weight: 700; color: var(--primary); font-family: ui-monospace, monospace; line-height: 1; }
.price-box .now small { font-size: 18px; }
.price-box .old { color: #94a3b8; text-decoration: line-through; font-size: 15px; }
.price-box .unit { color: var(--sub); font-size: 13.5px; }
.price-box .negotiate { font-size: 30px; font-weight: 700; color: var(--primary); }
.price-box .price-tip { color: #64748b; font-size: 13px; }

.attr-list { border-top: 1px solid var(--bd); }
.attr-list .row { display: flex; padding: 12px 0; border-bottom: 1px solid #f1f5f9; font-size: 14.5px; }
.attr-list .row .k { color: var(--sub); width: 120px; flex-shrink: 0; }
.attr-list .row .v { color: var(--txt); font-weight: 500; }

.detail-actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.btn-main {
    height: 52px; padding: 0 36px; border-radius: var(--radius); border: none;
    background: linear-gradient(135deg, #3b82f6, var(--primary-d)); color: #fff;
    font-size: 16px; font-weight: 700; cursor: pointer; display: inline-flex;
    align-items: center; gap: 9px; transition: .2s;
}
.btn-main:hover { box-shadow: 0 12px 30px rgba(37,99,235,.4); transform: translateY(-1px); }
.btn-outline {
    height: 52px; padding: 0 24px; border-radius: var(--radius);
    border: 1px solid var(--bd); background: #fff; color: var(--txt);
    font-size: 15px; font-weight: 600; cursor: pointer; display: inline-flex;
    align-items: center; gap: 9px; transition: .2s;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.trust { display: flex; gap: 20px; margin-top: 24px; padding-top: 20px; border-top: 1px dashed var(--bd); flex-wrap: wrap; }
.trust .it { display: flex; align-items: center; gap: 7px; color: var(--sub); font-size: 13.5px; }
.trust .ico { color: var(--primary); }

.pd-highlights {
    display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px;
    margin: 22px 0 0;
}
.pd-hl {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 18px 16px; border: 1px solid var(--bd); border-radius: 6px;
    background: #fff;
}
.pd-hl em {
    font-style: normal; font-family: "Barlow Condensed", sans-serif;
    font-size: 20px; font-weight: 700; color: #2563eb; line-height: 1; flex-shrink: 0;
}
.pd-hl h4 { margin: 0 0 4px; font-size: 15px; color: #0f172a; font-weight: 700; }
.pd-hl p { margin: 0; font-size: 12.5px; color: #64748b; line-height: 1.6; }

.pd-tabs-wrap {
    margin-top: 28px; border: 1px solid var(--bd); border-radius: 8px;
    background: #fff; overflow: hidden;
}
.tabs-bar, .pd-tabs {
    display: flex; border-bottom: 1px solid var(--bd); gap: 0; margin-bottom: 0;
    background: linear-gradient(180deg, #f8fafc, #fff);
}
.tabs-bar .tb {
    padding: 16px 28px; font-size: 15px; font-weight: 700; color: var(--sub);
    border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer;
}
.tabs-bar .tb.active { color: var(--primary); border-bottom-color: var(--primary); background: #fff; }
.tab-pane { display: none; }
.tab-pane.active { display: block; animation: fadeIn .3s; }
.pd-pane { padding: 28px 30px 34px; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.rich-text { font-size: 15px; line-height: 2; color: #374151; }
.rich-text p { margin-bottom: 15px; }
.rich-text h4 { font-size: 17px; margin: 22px 0 12px; color: var(--dark); font-weight: 600; }
.rich-text ul, .rich-text ol { margin: 12px 0 16px 22px; }
.rich-text ul li { list-style: disc; margin-bottom: 8px; }
.rich-text ol li { list-style: decimal; margin-bottom: 8px; }
.rich-text img { border-radius: var(--radius); margin: 12px 0; max-width: 100%; height: auto; }

.spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.spec-table tr { border: 1px solid var(--bd); }
.spec-table td { padding: 13px 18px; }
.spec-table tr td:first-child { background: #f8fafc; color: var(--sub); width: 200px; }

.pd-service-grid {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px;
}
.pd-svc {
    padding: 18px 16px; border: 1px solid #e2e8f0; border-radius: 6px;
    background: linear-gradient(160deg, #fff, #f8fafc);
}
.pd-svc h4 { margin: 0 0 8px; font-size: 15px; color: #0f172a; font-weight: 700; }
.pd-svc p { margin: 0; font-size: 13.5px; color: #64748b; line-height: 1.7; }
.pd-related { background: var(--bg2); }

/* ============ 分页 ============ */
.pager { display: flex; gap: 8px; justify-content: center; align-items: center; padding: 34px 0 6px; flex-wrap: wrap; }
.pager .pg-num, .pager .pg-btn, .pager .pg-dot {
    min-width: 38px; height: 38px; padding: 0 12px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--bd); border-radius: var(--radius);
    background: #fff; font-size: 14px; transition: .2s;
}
.pager a.pg-num:hover, .pager a.pg-btn:hover { border-color: var(--primary); color: var(--primary); }
.pager .pg-num.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.pager .disabled { color: #cbd5e1; cursor: not-allowed; }
.pager .pg-dot { border: none; background: none; }

/* ============ 询价页 ============ */
.quote-wrap { display: grid; grid-template-columns: 1fr 420px; gap: 40px; padding: 40px 0 60px; }
.quote-card { background: #fff; border: 1px solid var(--bd); border-radius: var(--radius); padding: 30px; }
.quote-card h2 { font-size: 22px; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.quote-card .sub { color: var(--sub); margin-bottom: 24px; }
.quote-side { background: var(--bg2); border: 1px solid var(--bd); border-radius: var(--radius); padding: 26px; }
.quote-side h3 { font-size: 17px; font-weight: 600; margin-bottom: 18px; color: var(--dark); }
.quote-side .li { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 16px; font-size: 14px; line-height: 1.7; }
.quote-side .li .ico { color: var(--primary); margin-top: 4px; flex-shrink: 0; }
.quote-side .li b { display: block; color: var(--dark); font-weight: 600; }
.quote-side .li span { color: var(--sub); font-size: 13px; }

.agent-banner {
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
    padding: 28px 32px; border-radius: var(--radius);
    background: linear-gradient(135deg, #0f172a, #1e3a8a); color: #fff;
}
.agent-banner h2 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.agent-banner p { color: #cbd5e1; font-size: 14px; line-height: 1.7; max-width: 640px; }
.agent-banner .btn-hero { flex-shrink: 0; }

/* ============ Toast ============ */
.toast-box { position: fixed; top: 24px; left: 50%; transform: translateX(-50%); z-index: 9999; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.toast {
    padding: 12px 22px; border-radius: var(--radius); background: #fff;
    box-shadow: 0 10px 34px rgba(15,23,42,.18); display: flex; align-items: center; gap: 10px;
    border-left: 3px solid var(--primary); font-size: 14.5px; animation: toastIn .25s;
}
@keyframes toastIn { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: none; } }
.toast.ok { border-left-color: #10b981; }
.toast.err { border-left-color: #ef4444; }
.toast.ok .ico { color: #10b981; }
.toast.err .ico { color: #ef4444; }

/* ============ 空状态 ============ */
.empty { text-align: center; padding: 70px 20px; color: #94a3b8; }
.empty .ico { opacity: .3; margin-bottom: 14px; }

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
    .hero .visual { display: none; }
    .home-metrics .container { grid-template-columns: repeat(2, 1fr); }
    .lead-section .container { grid-template-columns: 1fr; gap: 40px; }
    .prod-grid { grid-template-columns: repeat(3, 1fr); }
    .cat-grid, .adv-grid { grid-template-columns: repeat(2, 1fr); }
    .pd-top, .detail-top { grid-template-columns: 1fr; gap: 24px; padding: 20px; }
    .pd-highlights { grid-template-columns: 1fr 1fr; }
    .pd-service-grid { grid-template-columns: 1fr 1fr; }
    .quote-wrap { grid-template-columns: 1fr; }
    .agent-banner { flex-direction: column; align-items: flex-start; padding: 22px; }
    .footer .grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 768px) {
    .topbar { display: none; }
    .header .container { height: 62px; gap: 14px; }
    .nav-toggle { display: block; order: 3; }
    .nav { display: none; position: absolute; top: 62px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 10px; border-bottom: 1px solid var(--bd); box-shadow: 0 12px 26px rgba(15,23,42,.1); }
    .nav.show { display: flex; }
    .nav .sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding-left: 14px; }
    .header .search { display: none; }
    .header .cta { margin-left: auto; padding: 0 16px; }
    .hero { padding: 54px 0 60px; }
    .hero h1 { font-size: 27px; }
    .home-hero { min-height: 36vh; }
    .home-hero-inner { padding-top: 36px; padding-bottom: 32px; }
    .home-hero-veil {
        background:
            linear-gradient(180deg, rgba(15,23,42,.55) 0%, rgba(15,23,42,.82) 55%, rgba(15,23,42,.92) 100%);
    }
    .home-metrics .container { grid-template-columns: 1fr 1fr; gap: 12px; }
    .home-metric b { font-size: 22px; }
    .home-sec { padding: 48px 0; }
    .home-sec-head h2 { font-size: 26px; }
    .section { padding: 44px 0; }
    .sec-head h2 { font-size: 23px; }
    .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .prod-card .body { padding: 12px; }
    .prod-card h3 { font-size: 14px; min-height: 42px; }
    .quote-card, .lead-form { padding: 22px; }
    .detail-actions { flex-direction: column; }
    .btn-main, .btn-outline { width: 100%; justify-content: center; }
    .detail-info h1 { font-size: 24px; }
    .price-box .now { font-size: 32px; }
    .pd-highlights { grid-template-columns: 1fr; }
    .pd-service-grid { grid-template-columns: 1fr; }
    .pd-pane { padding: 18px 16px 22px; }
    .tabs-bar .tb { flex: 1; text-align: center; padding: 14px 8px; font-size: 13px; }
}
@media (max-width: 480px) {
    .prod-grid { grid-template-columns: 1fr; }
    .cat-grid, .adv-grid { grid-template-columns: 1fr; }
    .field-row, .field-row-region { grid-template-columns: 1fr; }
}