@charset "utf-8";
/* =========================================================
   杭州坚盾信息技术有限公司 —— 前台主样式
   ========================================================= */
:root {
    --c-primary: #0b5fae;
    --c-primary-dark: #08437d;
    --c-deep: #062b52;
    --c-deeper: #041f3d;
    --c-accent: #21a5ff;
    --c-accent-2: #38bdf8;
    --c-light: #f4f8fd;
    --c-border: #e3ecf5;
    --c-text: #2f3a47;
    --c-gray: #6b7a8c;
    --c-radius: 6px;
    --shadow-sm: 0 4px 18px rgba(11, 95, 174, .08);
    --shadow-md: 0 12px 40px rgba(6, 43, 82, .12);
    --shadow-lg: 0 20px 60px rgba(6, 43, 82, .18);
    --header-h: 76px;
    --topbar-h: 38px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.8;
    color: var(--c-text);
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: all .3s; }
a:hover { color: var(--c-primary); }
ul, ol { list-style: none; }
img { max-width: 100%; vertical-align: middle; border: 0; }
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.35; color: var(--c-deep); }
button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; }

.container { width: 1240px; max-width: calc(100% - 40px); margin: 0 auto; }
.clearfix::after { content: ''; display: block; clear: both; }
.hide { display: none !important; }

/* ---------------- 通用按钮 ---------------- */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 30px; border-radius: 40px;
    font-size: 15px; line-height: 1; cursor: pointer;
    border: 1px solid transparent; transition: all .35s; white-space: nowrap;
}
.btn-primary { background: var(--c-primary); color: #fff; box-shadow: 0 8px 24px rgba(11, 95, 174, .28); }
.btn-primary:hover { background: var(--c-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 30px rgba(11, 95, 174, .38); }
.btn-ghost { border-color: rgba(255, 255, 255, .6); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--c-primary); border-color: #fff; }
.btn-outline { border-color: var(--c-primary); color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; }
.btn .ico-arrow { transition: transform .3s; }
.btn:hover .ico-arrow { transform: translateX(4px); }

/* =========================================================
   顶部 Header（与 Banner 融为一体的浮层）
   ========================================================= */
.site-header {
    position: absolute; top: 0; left: 0; right: 0; z-index: 900;
    transition: background .35s, box-shadow .35s, transform .35s;
}
.site-header .topbar {
    height: var(--topbar-h); line-height: var(--topbar-h);
    font-size: 13px; color: rgba(255, 255, 255, .78);
    border-bottom: 1px solid rgba(255, 255, 255, .14);
    transition: all .35s;
}
.site-header .topbar .container { display: flex; justify-content: space-between; align-items: center; }
.site-header .topbar a { color: rgba(255, 255, 255, .78); }
.site-header .topbar a:hover { color: #fff; }
.site-header .topbar .tb-item { display: inline-flex; align-items: center; gap: 6px; margin-left: 22px; }
.site-header .topbar i { font-size: 14px; color: currentColor; opacity: .85; }

.site-header .navbar { height: var(--header-h); transition: all .35s; }
.site-header .navbar .container { display: flex; align-items: center; height: 100%; }
.site-header .logo { flex: 0 0 auto; margin-right: 34px; }
/* logo 统一按「宽度」控制（素材 948x144，比例 6.58:1） */
.site-header .logo img { width: 175px; height: auto; max-width: 100%; transition: width .35s; }

.site-header .nav { flex: 1 1 auto; }
/* 菜单整体贴右，与右侧热线形成一组，左侧留给 logo 呼吸空间 */
.site-header .nav > ul { display: flex; align-items: center; justify-content: flex-end; }
.site-header .nav > ul > li { position: relative; }
.site-header .nav > ul > li > a {
    display: block; padding: 0 22px; height: var(--header-h); line-height: var(--header-h);
    font-size: 16px; color: #fff; position: relative;
}
.site-header .nav > ul > li > a::after {
    content: ''; position: absolute; left: 50%; bottom: 20px; width: 0; height: 2px;
    background: var(--c-accent-2); transition: all .3s; transform: translateX(-50%);
}
.site-header .nav > ul > li > a:hover::after,
.site-header .nav > ul > li.active > a::after { width: 26px; }
.site-header .nav > ul > li.active > a { color: var(--c-accent-2); }
.site-header .nav > ul > li.has-sub > a::before {
    content: ''; position: absolute; right: 8px; top: 50%; margin-top: -2px;
    border: 4px solid transparent; border-top-color: currentColor; opacity: .6;
}
/* 二级菜单展开按钮：桌面端靠 hover 展开，按钮隐藏；移动端（≤1100px）才显示 */
.site-header .nav > ul > li > .sub-toggle {
    display: none; background: none; border: 0; padding: 0;
    color: inherit; cursor: pointer; font: inherit;
}

/* 二级菜单 */
.site-header .sub-menu {
    position: absolute; top: 100%; left: 50%; transform: translate(-50%, 14px);
    min-width: 236px; background: #fff; border-radius: var(--c-radius);
    box-shadow: var(--shadow-md); padding: 10px 0;
    opacity: 0; visibility: hidden; transition: all .3s; z-index: 20;
}
.site-header .sub-menu::before {
    content: ''; position: absolute; top: -6px; left: 50%; margin-left: -6px;
    width: 12px; height: 12px; background: #fff; transform: rotate(45deg);
}
/* 桌面端（宽屏）靠 hover 展开二级菜单，必须限定在抽屉断点之上：
   移动端子菜单是 position:static，触摸设备点按后 :hover 会残留，而本规则权重(0,4,2)
   高于 ≤1100px 里的 .site-header .sub-menu(0,2,0)，会把子菜单整体 translate(-50%) 左移半个宽度，
   再被抽屉的 overflow 裁掉 —— 表现就是「点开二级菜单是空白/错位」。 */
@media (min-width: 1101px) {
    .site-header .nav > ul > li:hover .sub-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
}
.site-header .sub-menu a {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 22px; font-size: 14px; color: var(--c-text);
}
.site-header .sub-menu a::before {
    content: ''; width: 4px; height: 4px; border-radius: 50%;
    background: var(--c-border); transition: all .3s; flex: 0 0 auto;
}
.site-header .sub-menu a:hover { background: var(--c-light); color: var(--c-primary); padding-left: 26px; }
.site-header .sub-menu a:hover::before { background: var(--c-primary); }

/* 右侧热线 */
.nav-hotline {
    flex: 0 0 auto; display: flex; align-items: center; gap: 10px;
    color: #fff; padding-left: 26px; border-left: 1px solid rgba(255, 255, 255, .2);
}
.nav-hotline .icon {
    width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    background: rgba(33, 165, 255, .22); border: 1px solid rgba(56, 189, 248, .45);
}
.nav-hotline .icon i { font-size: 19px; color: var(--c-accent-2); }
.nav-hotline .txt { line-height: 1.3; }
.nav-hotline .txt span { display: block; font-size: 12px; opacity: .75; }
.nav-hotline .txt strong { font-size: 19px; letter-spacing: .5px; }

/* 滚动后的固定态 */
.site-header.is-scrolled {
    position: fixed; background: #fff; box-shadow: 0 6px 26px rgba(6, 43, 82, .1);
    animation: headerDrop .4s;
}
@keyframes headerDrop { from { transform: translateY(-100%); } to { transform: translateY(0); } }
.site-header.is-scrolled .topbar { height: 0; overflow: hidden; opacity: 0; border-bottom-color: transparent; }
.site-header.is-scrolled .navbar { height: 68px; }
.site-header.is-scrolled .logo img { width: 160px; }
.site-header .logo .logo-light { display: block; }
.site-header .logo .logo-dark { display: none; }
.site-header.is-scrolled .logo .logo-light { display: none; }
.site-header.is-scrolled .logo .logo-dark { display: block; }
.site-header.is-scrolled .nav > ul > li > a { color: var(--c-deep); height: 68px; line-height: 68px; }
.site-header.is-scrolled .nav > ul > li > a::after { bottom: 16px; background: var(--c-primary); }
.site-header.is-scrolled .nav > ul > li.active > a { color: var(--c-primary); }
.site-header.is-scrolled .nav-hotline { color: var(--c-deep); border-left-color: var(--c-border); }
.site-header.is-scrolled .nav-hotline .icon { background: rgba(11, 95, 174, .1); border-color: rgba(11, 95, 174, .2); }
.site-header.is-scrolled .nav-hotline .icon i { color: var(--c-primary); }

/* 移动端菜单按钮 */
.nav-toggle { display: none; width: 40px; height: 40px; position: relative; cursor: pointer; }
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
    position: absolute; left: 8px; width: 24px; height: 2px; background: #fff; transition: all .3s;
}
.nav-toggle span { top: 19px; }
.nav-toggle span::before { content: ''; top: -8px; left: 0; }
.nav-toggle span::after { content: ''; top: 8px; left: 0; }
.site-header.is-scrolled .nav-toggle span,
.site-header.is-scrolled .nav-toggle span::before,
.site-header.is-scrolled .nav-toggle span::after { background: var(--c-deep); }

/* =========================================================
   首页 Hero
   ========================================================= */
.hero {
    position: relative; height: 760px; overflow: hidden; background: var(--c-deeper);
    --hero-dur: 6s; /* 单张停留时长，需与 main.js 的 INTERVAL 保持一致 */
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
    position: absolute; inset: 0; opacity: 0; pointer-events: none;
    transition: opacity 1s ease;
    background-size: cover; background-position: center;
}
/* 背景单独一层做缓慢推近（Ken Burns）：
   缩放只作用于这一层，否则会把文案一起放大，窄屏下标题会被裁出画外 */
.hero-slide::before {
    content: ''; position: absolute; inset: 0; z-index: 0;
    background: inherit;
    transform: scale(1.06);
    transition: transform 6.5s ease-out;
}
.hero-slide.active { opacity: 1; pointer-events: auto; }
.hero-slide.active::before { transform: scale(1); }
/* 左侧压暗 + 底部渐深，保证文案可读 */
.hero-slide::after {
    content: ''; position: absolute; inset: 0;
    background:
        linear-gradient(to top, rgba(4, 31, 61, .62) 0%, rgba(4, 31, 61, .10) 30%, rgba(4, 31, 61, 0) 55%),
        linear-gradient(100deg, rgba(4, 31, 61, .88) 0%, rgba(4, 31, 61, .66) 36%, rgba(4, 31, 61, .26) 70%, rgba(4, 31, 61, .10) 100%);
}
.hero-inner {
    position: relative; z-index: 3; height: 100%;
    display: flex; flex-direction: column; justify-content: center;
    padding-top: calc(var(--header-h) + var(--topbar-h));
    max-width: 1240px; width: calc(100% - 40px); margin: 0 auto;
}
/* 文案逐级淡入上浮 */
.hero-inner > * { opacity: 0; transform: translateY(30px); transition: opacity .4s ease, transform .4s ease; }
.hero-slide.active .hero-inner > * {
    opacity: 1; transform: none;
    transition: opacity .9s cubic-bezier(.22, .61, .36, 1), transform .9s cubic-bezier(.22, .61, .36, 1);
}
.hero-slide.active .hero-inner > *:nth-child(1) { transition-delay: .18s; }
.hero-slide.active .hero-inner > *:nth-child(2) { transition-delay: .30s; }
.hero-slide.active .hero-inner > *:nth-child(3) { transition-delay: .42s; }
.hero-slide.active .hero-inner > *:nth-child(4) { transition-delay: .54s; }
.hero-tag {
    display: inline-flex; align-items: center; gap: 10px; align-self: flex-start;
    padding: 7px 18px; border-radius: 40px; font-size: 13px; letter-spacing: 2px;
    color: var(--c-accent-2); background: rgba(33, 165, 255, .12);
    border: 1px solid rgba(56, 189, 248, .35); margin-bottom: 26px;
}
.hero h1 {
    font-size: 54px; color: #fff; letter-spacing: 2px; line-height: 1.28; max-width: 720px;
    text-shadow: 0 6px 30px rgba(0, 0, 0, .3);
}.hero p { font-size: 19px; color: rgba(255, 255, 255, .84); margin-top: 22px; max-width: 620px; line-height: 1.9; text-wrap: pretty; }
.hero-btns { display: flex; gap: 16px; margin-top: 44px; }

/* 左右切换箭头 */
.hero-arrow {
    position: absolute; top: calc(50% - 60px); z-index: 7;
    width: 52px; height: 52px; padding: 0; border-radius: 50%; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255, 255, 255, .10); border: 1px solid rgba(255, 255, 255, .30);
    color: #fff; font-size: 17px; line-height: 1;
    -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
    opacity: .55; transition: background .3s, border-color .3s, transform .3s, opacity .3s;
}
.hero:hover .hero-arrow { opacity: 1; }
.hero-arrow:hover { background: var(--c-accent); border-color: var(--c-accent); transform: scale(1.08); }
.hero-prev { left: 34px; }
.hero-next { right: 34px; }

/* 指示器（当前项带进度条） */
.hero-dots {
    position: absolute; bottom: 94px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 10px; z-index: 7;
}
.hero-dots i {
    position: relative; width: 38px; height: 4px; border-radius: 3px;
    background: rgba(255, 255, 255, .46); cursor: pointer; overflow: hidden;
    transition: width .35s, background .35s;
}
.hero-dots i b {
    position: absolute; left: 0; top: 0; bottom: 0; width: 0;
    background: var(--c-accent-2); border-radius: 3px;
}
.hero-dots i.active { width: 62px; background: rgba(255, 255, 255, .22); }
.hero-dots i.active b { animation: heroBar var(--hero-dur) linear forwards; }
@keyframes heroBar { from { width: 0; } to { width: 100%; } }
/* 鼠标悬停时暂停轮播与进度条 */
.hero.is-paused .hero-dots i.active b { animation-play-state: paused; }

/* Hero 底部关键指标条 */
.hero-facts {
    position: absolute; left: 0; right: 0; bottom: 0; z-index: 6;
    background: rgba(6, 43, 82, .48); backdrop-filter: blur(6px);
    border-top: 1px solid rgba(255, 255, 255, .12);
}
.hero-facts ul { display: flex; }
.hero-facts li {
    flex: 1; text-align: center; padding: 12px 10px; position: relative; color: #fff;
}
.hero-facts li + li::before {
    content: ''; position: absolute; left: 0; top: 14px; bottom: 14px; width: 1px;
    background: rgba(255, 255, 255, .16);
}
.hero-facts strong { display: block; font-size: 24px; color: var(--c-accent-2); letter-spacing: 1px; }
.hero-facts span { font-size: 12.5px; opacity: .8; }

@media (prefers-reduced-motion: reduce) {
    .hero-slide, .hero-inner > *, .hero-dots i.active b { transition: none !important; animation: none !important; }
    .hero-slide { transform: none; }
    .hero-inner > * { opacity: 1; transform: none; }
}

/* =========================================================
   通用区块
   ========================================================= */
.section { padding: 96px 0; }
.section-gray { background: var(--c-light); }
.section-dark { background: linear-gradient(135deg, var(--c-deeper), var(--c-primary-dark)); color: #fff; }

.sec-head { text-align: center; margin-bottom: 54px; }
.sec-head .en {
    display: block; font-size: 13px; letter-spacing: 4px; color: var(--c-accent);
    text-transform: uppercase; margin-bottom: 12px; font-family: Arial, sans-serif;
}
.sec-head h2 { font-size: 38px; letter-spacing: 1px; }
.sec-head p { color: var(--c-gray); margin-top: 14px; font-size: 16px; }
.sec-head .line {
    width: 56px; height: 4px; border-radius: 3px; margin: 20px auto 0;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
}
.section-dark .sec-head h2 { color: #fff; }
.section-dark .sec-head p { color: rgba(255, 255, 255, .7); }

.sec-head.left { text-align: left; }
.sec-head.left .line { margin-left: 0; }

/* =========================================================
   首页 · 产品分类 Tab
   ========================================================= */
.prod-tabs { position: relative; }
.prod-tab-nav {
    display: flex; background: #fff; border-radius: 10px; overflow: hidden;
    box-shadow: var(--shadow-sm); border: 1px solid var(--c-border); margin-bottom: 34px;
}
.prod-tab-nav li {
    flex: 1; text-align: center; padding: 24px 8px; cursor: pointer;
    position: relative; transition: all .3s; border-right: 1px solid var(--c-border);
}
.prod-tab-nav li:last-child { border-right: 0; }
.prod-tab-nav li .cn {
    display: block; font-size: 15.5px; font-weight: 700; color: var(--c-deep);
    transition: all .3s;
    /* 10 个字的「埋地泄漏电缆报警系统」在均分列宽里会折成 9+1（孤字），balance 让折行均匀 */
    text-wrap: balance;
}
.prod-tab-nav li .en {
    display: block; font-size: 11px; letter-spacing: 1.6px; color: #9fb0c2;
    text-transform: uppercase; margin-top: 6px; font-family: Arial, sans-serif;
}
.prod-tab-nav li::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
    background: var(--c-accent); transform: scaleX(0); transition: transform .35s;
}
.prod-tab-nav li.active { background: linear-gradient(180deg, #f2f8ff, #fff); }
.prod-tab-nav li.active .cn { color: var(--c-primary); }
.prod-tab-nav li.active::after { transform: scaleX(1); }
.prod-tab-nav li:hover .cn { color: var(--c-primary); }

.prod-panel { display: none; animation: fadeUp .5s; }
.prod-panel.active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* 1101~1279 容器收窄，10 字的「埋地泄漏电缆报警系统」会折行，压一档字号与内边距保持单行 */
@media (min-width: 1101px) and (max-width: 1279px) {
    .prod-tab-nav li { padding: 24px 5px; }
    .prod-tab-nav li .cn { font-size: 13.5px; }
}

.prod-panel-inner { display: grid; grid-template-columns: 300px 1fr; gap: 30px; }
.prod-cate-intro {
    background: linear-gradient(160deg, var(--c-deep), var(--c-primary));
    border-radius: 10px; padding: 38px 30px; color: #fff; position: relative; overflow: hidden;
    display: flex; flex-direction: column;
}
.prod-cate-intro::after {
    content: ''; position: absolute; right: -50px; bottom: -60px; width: 200px; height: 200px;
    border-radius: 50%; background: rgba(56, 189, 248, .16);
}
.prod-cate-intro h3 { color: #fff; font-size: 23px; margin-bottom: 6px; }
.prod-cate-intro .en { font-size: 12px; letter-spacing: 2px; color: rgba(255, 255, 255, .6); font-family: Arial; }
.prod-cate-intro p { font-size: 14px; color: rgba(255, 255, 255, .78); margin: 20px 0 28px; line-height: 1.95; flex: 1 1 auto; }
.prod-cate-intro .btn { align-self: flex-start; position: relative; z-index: 2; padding: 11px 24px; font-size: 14px; }

.prod-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.prod-card {
    background: #fff; border-radius: 10px; overflow: hidden; border: 1px solid var(--c-border);
    display: flex; flex-direction: column; transition: all .4s;
}
.prod-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #cfe2f7; }
.prod-card .thumb {
    height: 240px; background: linear-gradient(160deg, #f2f8ff, #e6f0fb);
    display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative;
}
.prod-card .thumb img { max-height: 88%; transition: transform .5s; }
.prod-card:hover .thumb img { transform: scale(1.06); }
.prod-card .flag {
    position: absolute; top: 14px; left: 14px; padding: 3px 12px; border-radius: 4px;
    font-size: 12px; color: #fff; background: #ff6b3d;
}
.prod-card .flag.new { background: var(--c-accent); }
.prod-card .flag.rec { background: #26b36b; }
.prod-card .info { padding: 26px 26px 28px; flex: 1 1 auto; display: flex; flex-direction: column; }
.prod-card h4 { font-size: 19px; margin-bottom: 6px; }
.prod-card h4 a:hover { color: var(--c-primary); }
.prod-card .model { font-size: 13px; color: #9fb0c2; margin-bottom: 12px; font-family: Arial; }
.prod-card .desc { font-size: 14px; color: var(--c-gray); line-height: 1.85; flex: 1 1 auto; }
.prod-card .more {
    margin-top: 18px; font-size: 14px; color: var(--c-primary); display: inline-flex;
    align-items: center; gap: 6px; font-weight: 700;
}
.prod-card .more::after { content: '→'; transition: transform .3s; }
.prod-card:hover .more::after { transform: translateX(5px); }

/* =========================================================
   首页 · 数字驱动
   ========================================================= */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255, 255, 255, .14); border-radius: 10px; overflow: hidden; }
.stat-item {
    background: rgba(255, 255, 255, .04); padding: 42px 24px; text-align: center; transition: all .4s;
}
.stat-item:hover { background: rgba(33, 165, 255, .16); }
.stat-item .num {
    font-size: 50px; font-weight: 700; color: #fff; line-height: 1.1; letter-spacing: 1px;
    font-family: Arial, "Microsoft YaHei", sans-serif;
}
.stat-item .num i { font-style: normal; color: var(--c-accent-2); font-size: 34px; margin-left: 2px; }
.stat-item .name { font-size: 17px; color: #fff; margin-top: 14px; letter-spacing: .5px; }
.stat-item .sub { font-size: 13px; color: rgba(255, 255, 255, .58); margin-top: 8px; line-height: 1.7; }

/* =========================================================
   首页 · 关于坚盾（实景图集 + 文案）
   ========================================================= */
.abt-home { position: relative; overflow: hidden; }
/* 左侧一团冷光，压住大片留白，避免整块「一块白」 */
.abt-home::before {
    content: ''; position: absolute; left: -180px; top: 50%; width: 560px; height: 560px;
    transform: translateY(-50%); border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle, rgba(33, 165, 255, .12) 0%, rgba(33, 165, 255, .04) 42%, rgba(33, 165, 255, 0) 68%);
}

.abt-wrap { position: relative; display: grid; grid-template-columns: 1.02fr 1fr; gap: 62px; align-items: center; }

/* ---------- 左：图集 ---------- */
/* 三张图必须是同级节点：灯箱按「同一个父元素」分组，套一层 div 就变成两组、无法左右切换 */
.abt-media {
    position: relative; min-width: 0;
    display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.abt-shot {
    position: relative; display: block; overflow: hidden; border-radius: 12px; aspect-ratio: 16 / 11;
    background: #eaf1f8; box-shadow: 0 8px 26px rgba(6, 43, 82, .10); cursor: zoom-in;
}
.abt-shot img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .9s ease; }
.abt-shot:hover img { transform: scale(1.04); }
.abt-shot figcaption {
    position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
    display: flex; align-items: center; gap: 7px;
    padding: 26px 13px 11px; font-size: 12.5px; color: #fff; letter-spacing: .3px;
    background: linear-gradient(to top, rgba(4, 22, 42, .78), rgba(4, 22, 42, 0));
}
.abt-shot figcaption i { font-size: 12px; opacity: .85; }
.abt-shot-main { grid-column: 1 / -1; border-radius: 14px; box-shadow: var(--shadow-md); }
.abt-shot-main figcaption { padding: 30px 16px 13px; font-size: 13px; }

/* 年份徽标：压在主图右下角 */
.abt-years {
    position: absolute; right: 16px; top: 16px; z-index: 3;
    width: 118px; padding: 13px 8px 11px; border-radius: 14px; text-align: center;
    color: #fff; background: rgba(5, 38, 73, .74);
    border: 1px solid rgba(255, 255, 255, .22);
    box-shadow: 0 10px 28px rgba(4, 22, 42, .28);
    -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.abt-years strong { display: block; font-size: 32px; line-height: 1; font-family: Arial, sans-serif; letter-spacing: 0; }
.abt-years strong i { font-style: normal; font-size: 13px; font-weight: 400; margin-left: 3px; opacity: .9; }
.abt-years span { display: block; margin-top: 6px; font-size: 12.5px; opacity: .9; letter-spacing: .5px; }
.abt-years em { display: block; margin-top: 2px; font-style: normal; font-size: 10.5px; letter-spacing: 1.2px; opacity: .55; font-family: Arial, sans-serif; }

/* ---------- 右：文案 ---------- */
.abt-text { min-width: 0; }
.abt-text .en { font-size: 13px; letter-spacing: 4px; color: var(--c-accent); font-family: Arial, sans-serif; }
.abt-text h2 { position: relative; font-size: 36px; letter-spacing: 1px; margin-top: 6px; padding-bottom: 18px; }
.abt-text h2::after {
    content: ''; position: absolute; left: 0; bottom: 0; width: 46px; height: 3px; border-radius: 2px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
}
.abt-lead { margin: 22px 0 30px; }
.abt-lead p { color: var(--c-gray); font-size: 15px; line-height: 2; }
.abt-lead p + p { margin-top: 12px; }
.abt-lead p:first-child { color: #46586c; font-size: 15.5px; }

.abt-feats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.abt-feat {
    display: flex; gap: 12px; align-items: flex-start; padding: 16px 16px 15px;
    border-radius: 10px; background: #f7fafd; border: 1px solid transparent;
    transition: background .35s, border-color .35s, box-shadow .35s, transform .35s;
}
.abt-feat:hover {
    background: #fff; border-color: #cfe2f4; transform: translateY(-3px);
    box-shadow: 0 10px 26px rgba(11, 95, 174, .10);
}
.abt-feat .ico {
    width: 38px; height: 38px; flex: 0 0 auto; border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(150deg, var(--c-primary), var(--c-accent));
    box-shadow: 0 6px 14px rgba(11, 95, 174, .22);
}
.abt-feat .ico i { font-size: 17px; color: #fff; }
.abt-feat h5 { font-size: 15.5px; margin-bottom: 2px; }
.abt-feat p { font-size: 12.5px; color: var(--c-gray); line-height: 1.65; }

.abt-actions { display: flex; align-items: center; gap: 22px; margin-top: 32px; flex-wrap: wrap; }
.abt-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700; color: var(--c-primary); }
.abt-link span { transition: transform .3s; }
.abt-link:hover span { transform: translateX(5px); }

/* 1101~1279 两栏会把要点挤到 240px，图集一侧留白也大 → 保持两栏但要点改单列 */
@media (min-width: 1101px) and (max-width: 1279px) {
    .abt-wrap { gap: 36px; }
    .abt-text h2 { font-size: 32px; }
    .abt-lead p, .abt-lead p:first-child { font-size: 14.5px; }
    .abt-feats { grid-template-columns: 1fr; gap: 10px; }
    .abt-feat { padding: 13px 14px; }
    .abt-years { width: 100px; padding: 10px 6px 9px; }
    .abt-years strong { font-size: 26px; }
}

/* =========================================================
   首页 · 新闻
   左两张大卡 + 右「最新动态」列表。
   ⚠ 左卡图片用 flex:1 吸收行高差：早先缩略图固定 200px 高，卡片被右侧列表
   拉高后，摘要与底部 meta 之间会空出一大片白色（636 高的卡片里有 150px 空白）
   ========================================================= */
.news-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 392px; gap: 32px; }
.news-feature { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.news-card {
    position: relative; display: flex; flex-direction: column; overflow: hidden;
    background: #fff; border: 1px solid var(--c-border); border-radius: 12px;
    transition: transform .4s, box-shadow .4s, border-color .4s;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #cfe2f7; }
.news-card .thumb { position: relative; flex: 1 1 auto; min-height: 240px; overflow: hidden; }
.news-card .thumb img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.news-card:hover .thumb img { transform: scale(1.06); }
/* 底部压一层浅渐变，白底证书图上的角标和图片边界才不会糊在一起 */
.news-card .thumb::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 46%;
    background: linear-gradient(to top, rgba(4, 28, 54, .30), rgba(4, 28, 54, 0));
    pointer-events: none;
}
.news-card .flag {
    position: absolute; top: 14px; left: 14px; z-index: 2;
    padding: 4px 12px; border-radius: 4px; font-size: 12px; letter-spacing: .5px;
    color: #fff; background: rgba(11, 95, 174, .92);
}
.news-card .info { flex: 0 0 auto; padding: 22px 22px 20px; }
.news-card h4 { font-size: 17.5px; line-height: 1.6; }
.news-card h4 a { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card h4 a:hover { color: var(--c-primary); }
.news-card .desc {
    margin-top: 12px; font-size: 13.5px; color: var(--c-gray); line-height: 1.85;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card .meta {
    margin-top: 18px; padding-top: 15px; border-top: 1px dashed var(--c-border);
    display: flex; align-items: center; gap: 16px; font-size: 12.5px; color: #9fb0c2;
}
.news-card .meta i { margin-right: 5px; font-size: 12px; }
.news-card .meta .more {
    margin-left: auto; display: inline-flex; align-items: center; gap: 5px;
    font-size: 12.5px; color: var(--c-primary);
}
.news-card .meta .more i { margin: 0; font-size: 11px; transition: transform .3s; }
.news-card:hover .meta .more i { transform: translateX(4px); }

.news-list {
    display: flex; flex-direction: column;
    background: #fff; border-radius: 12px; border: 1px solid var(--c-border); padding: 6px 24px 10px;
}
.news-list-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 0 14px; border-bottom: 2px solid var(--c-deep);
}
.news-list-head h3 { font-size: 19px; }
.news-list-head a { font-size: 13px; color: var(--c-gray); transition: color .3s; }
.news-list-head a:hover { color: var(--c-primary); }
.news-list ul { flex: 1 1 auto; display: flex; flex-direction: column; }
.news-list li { flex: 1 1 0; border-bottom: 1px dashed var(--c-border); }
.news-list li:last-child { border-bottom: 0; }
.news-list li a {
    display: flex; gap: 12px; align-items: flex-start; padding: 14px 0;
}
.news-list li .no {
    flex: 0 0 auto; width: 22px; height: 22px; line-height: 22px; text-align: center;
    border-radius: 4px; font-size: 12px; font-family: Arial; color: #9fb0c2;
    background: var(--c-light); margin-top: 2px;
}
.news-list li:nth-child(1) .no { background: var(--c-primary); color: #fff; }
.news-list li:nth-child(2) .no { background: var(--c-accent); color: #fff; }
.news-list li:nth-child(3) .no { background: #7fc4f2; color: #fff; }
.news-list li .t { flex: 1 1 auto; min-width: 0; }
.news-list li .t h5 {
    font-size: 14.5px; font-weight: 400; line-height: 1.55; color: var(--c-text);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .3s;
}
.news-list li a:hover .t h5 { color: var(--c-primary); }
.news-list li .t em { display: block; margin-top: 4px; font-style: normal; font-size: 12px; color: #a8b7c6; }
/* 1101~1279：容器收窄后右侧固定 392 会把两张卡压到 307px，标题挤成三行 */
@media (min-width: 1101px) and (max-width: 1279px) {
    .news-wrap { grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; }
}

/* =========================================================
   合作客户（首页 / 关于我们）· 每行 6 个
   用 flex + calc 而非 grid：数量不是 6 的倍数时，最后一行会整体居中
   ========================================================= */
.partner-grid {
    --p-cols: 6;
    --p-gap: 14px;
    display: flex; flex-wrap: wrap; justify-content: center; gap: var(--p-gap);
}
.partner-item {
    width: calc((100% - (var(--p-cols) - 1) * var(--p-gap)) / var(--p-cols) - .05px);
    height: 92px; background: #fff; border-radius: 8px; border: 1px solid var(--c-border);
    display: flex; align-items: center; justify-content: center;
    padding: 10px 14px; transition: all .35s;
}
.partner-item:hover {
    box-shadow: var(--shadow-md, 0 12px 28px rgba(9, 40, 77, .12));
    border-color: #cfe2f7; transform: translateY(-4px);
}
.partner-item img { width: 100%; height: 100%; object-fit: contain; }

/* =========================================================
   内页 Banner
   ========================================================= */
.inner-banner {
    position: relative; height: 420px; display: flex; align-items: flex-end;
    background-size: cover; background-position: center;
}

/* 联系我们留言板块锚点：留出顶部空间，避免定位时紧贴视口顶部 */
#message { scroll-margin-top: 24px; }
.inner-banner::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(4, 31, 61, .86) 0%, rgba(4, 31, 61, .55) 50%, rgba(4, 31, 61, .25) 100%);
}
.inner-banner .ib-inner {
    position: relative; z-index: 3; width: 1240px; max-width: calc(100% - 40px);
    margin: 0 auto; padding-bottom: 62px;
}
.inner-banner h1 { font-size: 42px; color: #fff; letter-spacing: 1px; }
.inner-banner .sub { font-size: 16px; color: rgba(255, 255, 255, .72); margin-top: 12px; letter-spacing: 1px; }
.inner-banner .crumbbar {
    position: absolute; left: 0; right: 0; bottom: 0; z-index: 4;
    background: rgba(4, 31, 61, .5); border-top: 1px solid rgba(255, 255, 255, .12);
    font-size: 13px; color: rgba(255, 255, 255, .7);
}
.inner-banner .crumbbar .container { height: 46px; line-height: 46px; }
.inner-banner .crumbbar a:hover { color: var(--c-accent-2); }
.inner-banner .crumbbar .sep { margin: 0 10px; opacity: .45; }

/* 分类子导航 */
.subnav-bar { background: #fff; border-bottom: 1px solid var(--c-border); box-shadow: 0 4px 16px rgba(6, 43, 82, .04); }
.subnav-bar ul { display: flex; flex-wrap: wrap; justify-content: center; }
.subnav-bar li a {
    /* 产品分类已到 8 项（含 PCBA定制），18px 内边距在 1240 容器里会折行 */
    display: block; padding: 22px 13px; font-size: 15px; position: relative; color: var(--c-text);
}
.subnav-bar li a::after {
    content: ''; position: absolute; left: 50%; bottom: 0; width: 0; height: 3px;
    background: var(--c-primary); transition: all .3s; transform: translateX(-50%);
}
.subnav-bar li a:hover { color: var(--c-primary); }
.subnav-bar li.active a { color: var(--c-primary); font-weight: 700; }
.subnav-bar li.active a::after { width: 40px; }
.subnav-bar li a .cn { font-size: 15px; }
.subnav-bar li a .en { font-size: 11px; color: #a8b7c6; letter-spacing: 1px; font-family: Arial; margin-left: 6px; }

/* =========================================================
   列表页卡片
   ========================================================= */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }

.card {
    background: #fff; border-radius: 10px; overflow: hidden; border: 1px solid var(--c-border);
    transition: all .4s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: #cfe2f7; }
.card .thumb { height: 240px; overflow: hidden; background: var(--c-light); position: relative; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.card:hover .thumb img { transform: scale(1.07); }
.card .info { padding: 26px; flex: 1 1 auto; display: flex; flex-direction: column; }
.card h3 { font-size: 19px; margin-bottom: 12px; line-height: 1.55; }
.card h3 a { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card .desc {
    font-size: 14px; color: var(--c-gray); line-height: 1.85; flex: 1 1 auto;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.card .meta {
    margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--c-border);
    display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: #9fb0c2;
}
.card .meta .more { color: var(--c-primary); font-weight: 700; flex: 0 0 auto; margin-left: 12px; }
/* 型号可能是「GV-CLG800 / GV-CLG930 / GV-CLG1000」这种多型号串，超出就省略 */
.card .meta > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 分类锚点列表页 */
.cate-block { margin-bottom: 64px; }
.cate-block:last-child { margin-bottom: 0; }
.cate-block-head {
    display: flex; align-items: flex-end; justify-content: space-between;
    padding-bottom: 18px; margin-bottom: 32px; border-bottom: 2px solid var(--c-deep); position: relative;
}
.cate-block-head::after {
    content: ''; position: absolute; left: 0; bottom: -2px; width: 90px; height: 2px; background: var(--c-accent);
}
.cate-block-head h2 { font-size: 27px; }
.cate-block-head .en { font-size: 12px; letter-spacing: 2px; color: #a8b7c6; font-family: Arial; margin-top: 6px; display: block; }
.cate-block-head .more { font-size: 14px; color: var(--c-gray); }
.cate-block-head .more:hover { color: var(--c-primary); }

/* 分页 */
.pagination-box { margin-top: 56px; display: flex; justify-content: center; }
ul.pagination { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; list-style: none; margin: 0; padding: 0; }
ul.pagination > li { list-style: none; }
ul.pagination > li > a,
ul.pagination > li > span {
    display: inline-flex; align-items: center; justify-content: center; min-width: 42px; height: 42px;
    padding: 0 14px; border: 1px solid var(--c-border); border-radius: 6px; background: #fff;
    font-size: 14px; color: var(--c-text); transition: all .3s;
}
ul.pagination > li.active > a,
ul.pagination > li.active > span { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
ul.pagination > li > a:hover { border-color: var(--c-primary); color: var(--c-primary); }
ul.pagination > li.disabled > span { color: #c3ced9; }

/* =========================================================
   详情页
   ========================================================= */
.detail-layout { display: grid; grid-template-columns: 1fr 340px; gap: 46px; align-items: start; }
.detail-layout.full { grid-template-columns: 1fr; }

.detail-head { border-bottom: 1px solid var(--c-border); padding-bottom: 26px; margin-bottom: 34px; }
.detail-head h1 { font-size: 32px; line-height: 1.45; }
.detail-head .subtitle { color: var(--c-gray); font-size: 16px; margin-top: 12px; }
.detail-head .meta {
    display: flex; flex-wrap: wrap; gap: 26px; margin-top: 20px; font-size: 13px; color: #9fb0c2;
}
.detail-head .meta span { display: inline-flex; align-items: center; gap: 6px; }

.article-body { font-size: 16px; line-height: 2.05; color: #3d4855; }
.article-body h3 {
    font-size: 20px; margin: 34px 0 14px; padding-left: 14px; position: relative; color: var(--c-deep);
}
.article-body h3::before {
    content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 4px;
    border-radius: 3px; background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
}
.article-body h4 { font-size: 17px; margin: 24px 0 10px; }
.article-body p { margin-bottom: 16px; }
.article-body ul, .article-body ol { margin: 0 0 18px; }
.article-body ul li, .article-body ol li {
    position: relative; padding-left: 22px; margin-bottom: 10px; line-height: 1.95;
}
.article-body ul li::before {
    content: ''; position: absolute; left: 2px; top: 13px; width: 7px; height: 7px;
    border-radius: 50%; background: var(--c-accent);
}
.article-body img { max-width: 100%; border-radius: 8px; margin: 16px 0; }
.article-body strong { color: var(--c-deep); }
.article-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px; }
.article-body table th, .article-body table td { border: 1px solid var(--c-border); padding: 12px 16px; }
.article-body table th { background: var(--c-light); color: var(--c-deep); text-align: left; }
.article-body blockquote {
    border-left: 4px solid var(--c-accent); background: var(--c-light);
    padding: 18px 22px; margin: 20px 0; color: var(--c-gray); border-radius: 0 6px 6px 0;
}

.article-pager {
    margin-top: 50px; padding-top: 26px; border-top: 1px solid var(--c-border);
    display: flex; flex-direction: column; gap: 12px; font-size: 15px;
}
.article-pager a { color: var(--c-gray); }
.article-pager a:hover { color: var(--c-primary); }
.article-pager span { color: #b9c5d1; }

/* 侧栏 */
.sidebar { position: sticky; top: 100px; }
.side-box { background: #fff; border: 1px solid var(--c-border); border-radius: 10px; overflow: hidden; margin-bottom: 26px; }
.side-box-head {
    padding: 20px 24px; border-bottom: 1px solid var(--c-border);
    background: linear-gradient(90deg, var(--c-deep), var(--c-primary)); color: #fff;
}
.side-box-head h3 { color: #fff; font-size: 18px; }
.side-box-head .en { font-size: 11px; letter-spacing: 2px; opacity: .6; font-family: Arial; }
.side-box-body { padding: 14px 24px 22px; }
.side-nav li { border-bottom: 1px dashed var(--c-border); }
.side-nav li:last-child { border-bottom: 0; }
.side-nav li a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 15px 0; font-size: 15px; color: var(--c-text);
}
.side-nav li a::after { content: '›'; color: #c3ced9; font-size: 18px; }
.side-nav li a:hover, .side-nav li.active a { color: var(--c-primary); }
.side-nav li.active a::after { color: var(--c-primary); }

.side-related li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--c-border); }
.side-related li:last-child { border-bottom: 0; }
.side-related .thumb {
    width: 92px; height: 66px; border-radius: 6px; overflow: hidden; flex: 0 0 auto; background: var(--c-light);
}
.side-related .thumb img { width: 100%; height: 100%; object-fit: cover; }
.side-related h5 {
    font-size: 14px; font-weight: 400; line-height: 1.65; color: var(--c-text);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.side-related a:hover h5 { color: var(--c-primary); }
.side-related em { font-style: normal; font-size: 12px; color: #a8b7c6; }

.side-contact { background: linear-gradient(160deg, var(--c-deep), var(--c-primary)); color: #fff; padding: 30px 26px; border-radius: 10px; }
.side-contact h3 { color: #fff; font-size: 19px; margin-bottom: 6px; }
.side-contact .en { font-size: 11px; letter-spacing: 2px; opacity: .6; font-family: Arial; }
.side-contact ul { margin-top: 22px; }
.side-contact li { font-size: 14px; color: rgba(255, 255, 255, .8); padding: 9px 0; display: flex; gap: 10px; }
.side-contact li i { font-size: 16px; color: var(--c-accent-2); flex: 0 0 auto; margin-top: 4px; }
.side-contact .btn { width: 100%; justify-content: center; margin-top: 22px; background: #fff; color: var(--c-primary); }
.side-contact .btn:hover { background: var(--c-accent-2); color: #fff; }

/* 产品详情 */
.prod-detail-top { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.prod-gallery { border: 1px solid var(--c-border); border-radius: 10px; padding: 24px; background: linear-gradient(160deg, #f8fbff, #eaf3fd); }
.prod-gallery .pg-stage {
    position: relative; height: 420px; border-radius: 8px; overflow: hidden; background: #fff;
}
.prod-gallery .pg-slide {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity .55s ease; pointer-events: none;
}
.prod-gallery .pg-slide.active { opacity: 1; pointer-events: auto; }
.prod-gallery .pg-slide img { max-width: 100%; max-height: 100%; object-fit: contain; }
.prod-gallery .pg-arrow {
    position: absolute; top: 50%; margin-top: -20px; width: 40px; height: 40px; border: 0;
    border-radius: 50%; background: rgba(11, 95, 174, .5); color: #fff; cursor: pointer;
    font-size: 15px; display: flex; align-items: center; justify-content: center;
    transition: background .3s, transform .3s; z-index: 3;
}
.prod-gallery .pg-arrow:hover { background: var(--c-primary); transform: scale(1.06); }
.prod-gallery .pg-prev { left: 14px; }
.prod-gallery .pg-next { right: 14px; }
.prod-gallery .pg-dots {
    position: absolute; left: 0; right: 0; bottom: 14px; display: flex;
    justify-content: center; gap: 8px; z-index: 3;
}
.prod-gallery .pg-dots i {
    width: 9px; height: 9px; border-radius: 50%; background: rgba(11, 95, 174, .3);
    cursor: pointer; transition: all .3s;
}
.prod-gallery .pg-dots i.active { width: 24px; border-radius: 5px; background: var(--c-primary); }
.prod-gallery .pg-thumbs { display: flex; gap: 12px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
.prod-gallery .pg-thumbs img {
    width: 82px; height: 60px; object-fit: cover; border: 2px solid transparent;
    border-radius: 6px; background: #fff; padding: 3px; cursor: pointer; opacity: .65; transition: all .3s;
}
.prod-gallery .pg-thumbs img.active, .prod-gallery .pg-thumbs img:hover { border-color: var(--c-primary); opacity: 1; }

.prod-summary h1 { font-size: 32px; line-height: 1.4; }
.prod-summary .subtitle { font-size: 17px; color: var(--c-accent); margin-top: 12px; }
.prod-summary .model-row {
    display: flex; gap: 30px; margin: 22px 0; padding: 16px 20px;
    background: var(--c-light); border-radius: 8px; font-size: 14px; color: var(--c-gray);
}
.prod-summary .model-row strong { color: var(--c-deep); }
.prod-summary .desc { font-size: 15.5px; color: var(--c-gray); line-height: 2; }
.prod-summary .tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.prod-summary .tags span {
    font-size: 13px; color: var(--c-primary); background: rgba(11, 95, 174, .08);
    padding: 4px 14px; border-radius: 40px;
}
.prod-summary .actions { display: flex; gap: 14px; margin-top: 30px; }

.prod-feats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 26px 0 10px; }
.prod-feats li {
    display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: #3d4855;
    background: var(--c-light); border-radius: 8px; padding: 16px 18px; line-height: 1.75;
}
.prod-feats li::before {
    content: '✓'; flex: 0 0 auto; width: 21px; height: 21px; border-radius: 50%;
    background: var(--c-primary); color: #fff; font-size: 12px; display: flex;
    align-items: center; justify-content: center; margin-top: 3px;
}
.param-table { width: 100%; border-collapse: collapse; font-size: 15px; margin-top: 10px; }
.param-table tr:nth-child(odd) { background: var(--c-light); }
.param-table th, .param-table td { border: 1px solid var(--c-border); padding: 14px 18px; text-align: left; }
.param-table th { width: 220px; color: var(--c-deep); font-weight: 700; background: #eef5fc; }

/* Tab 面板（详情） */
.tab-head { display: flex; border-bottom: 1px solid var(--c-border); margin-bottom: 32px; }
.tab-head li {
    padding: 16px 30px; cursor: pointer; font-size: 17px; color: var(--c-gray);
    position: relative; transition: all .3s;
}
.tab-head li::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px;
    background: var(--c-primary); transform: scaleX(0); transition: transform .3s;
}
.tab-head li.active { color: var(--c-primary); font-weight: 700; }
.tab-head li.active::after { transform: scaleX(1); }
.tab-panel { display: none; animation: fadeUp .4s; }
.tab-panel.active { display: block; }

/* 案例详情信息条 */
.case-facts {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--c-border);
    border: 1px solid var(--c-border); border-radius: 8px; overflow: hidden; margin: 30px 0 36px;
}
.case-facts div { background: #fff; padding: 20px 18px; text-align: center; }
.case-facts span { display: block; font-size: 13px; color: #9fb0c2; margin-bottom: 6px; }
.case-facts strong { font-size: 16px; color: var(--c-deep); }

/* 案例详情：项目实景轮播 */
.case-gallery-block { margin: 0 0 40px; }
.case-gallery-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px; }
.case-gallery-head h3 { font-size: 20px; color: var(--c-deep); }
.case-gallery-head .en { font-size: 12px; letter-spacing: .18em; color: #a8bccf; text-transform: uppercase; }
.case-gallery-head em {
    font-style: normal; font-size: 12px; color: var(--c-primary);
    background: rgba(11, 95, 174, .08); padding: 2px 10px; border-radius: 20px;
}
.case-gallery-block .prod-gallery .pg-stage { height: 460px; }
/* 实拍图多为 3:2，铺满舞台即可，避免左右留白边 */
.case-gallery-block .prod-gallery .pg-slide img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 1100px) {
    .case-gallery-block .prod-gallery .pg-stage { height: 360px; }
}
@media (max-width: 768px) {
    .case-gallery-block .prod-gallery { padding: 14px; }
    .case-gallery-block .prod-gallery .pg-stage { height: 220px; }
    .case-gallery-block .prod-gallery .pg-arrow { width: 34px; height: 34px; margin-top: -17px; }
    .case-gallery-block .prod-gallery .pg-thumbs img { width: 62px; height: 46px; }
}

/* =========================================================
   关于我们页
   ========================================================= */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-intro .media img { width: 100%; border-radius: 12px; box-shadow: var(--shadow-md); }

.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.honor-item {
    background: #fff; border: 1px solid var(--c-border); border-radius: 10px; padding: 32px 20px;
    text-align: center; transition: all .35s;
}
.honor-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #cfe2f7; }
.honor-item .ico {
    width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 50%;
    background: linear-gradient(150deg, var(--c-primary), var(--c-accent));
    display: flex; align-items: center; justify-content: center;
}
.honor-item .ico i { font-size: 28px; color: #fff; }
.honor-item h4 { font-size: 16px; }

.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.culture-item {
    padding: 34px 26px; border-radius: 10px; background: #fff; border: 1px solid var(--c-border);
    position: relative; overflow: hidden; transition: all .35s;
}
.culture-item::before {
    content: ''; position: absolute; left: 0; top: 0; width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
}
.culture-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.culture-item h4 { font-size: 18px; margin-bottom: 12px; color: var(--c-primary); }
.culture-item p { font-size: 14.5px; color: var(--c-gray); line-height: 1.9; }

.timeline { position: relative; padding-left: 40px; }
.timeline::before {
    content: ''; position: absolute; left: 10px; top: 8px; bottom: 8px; width: 2px;
    background: linear-gradient(180deg, var(--c-primary), var(--c-accent-2));
}
.timeline li { position: relative; padding: 0 0 32px 0; }
.timeline li::before {
    content: ''; position: absolute; left: -35px; top: 8px; width: 12px; height: 12px;
    border-radius: 50%; background: #fff; border: 3px solid var(--c-primary);
}
.timeline li strong { display: block; font-size: 19px; color: var(--c-primary); font-family: Arial, sans-serif; }
.timeline li span { font-size: 15px; color: var(--c-gray); }

/* =========================================================
   联系我们页
   ========================================================= */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 60px; }
.contact-card {
    background: #fff; border: 1px solid var(--c-border); border-radius: 10px; padding: 34px 24px;
    text-align: center; transition: all .35s;
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.contact-card .ico {
    width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 14px;
    background: linear-gradient(150deg, var(--c-primary), var(--c-accent));
    display: flex; align-items: center; justify-content: center;
}
.contact-card .ico i { font-size: 26px; color: #fff; }
.contact-card h4 { font-size: 16px; margin-bottom: 10px; }
.contact-card p { font-size: 15px; color: var(--c-gray); line-height: 1.8; }
.contact-card p strong { color: var(--c-primary); font-size: 17px; }

.message-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.msg-form { background: #fff; border: 1px solid var(--c-border); border-radius: 10px; padding: 40px; }
.msg-form h3 { font-size: 24px; margin-bottom: 6px; }
.msg-form .en { font-size: 12px; letter-spacing: 2px; color: #a8b7c6; font-family: Arial; margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.form-item { margin-bottom: 18px; }
.form-item label { display: block; font-size: 14px; color: var(--c-text); margin-bottom: 8px; }
.form-item label i { color: #ff6b3d; font-style: normal; }
.form-item input,
.form-item textarea,
.form-item select {
    width: 100%; border: 1px solid var(--c-border); border-radius: 6px; padding: 13px 16px;
    font-size: 14.5px; background: #fbfdff; transition: all .3s;
}
.form-item input:focus,
.form-item textarea:focus,
.form-item select:focus { border-color: var(--c-primary); background: #fff; box-shadow: 0 0 0 3px rgba(11, 95, 174, .08); }
.form-item textarea { min-height: 130px; resize: vertical; }
.form-tip { font-size: 13px; color: #9fb0c2; margin-top: 14px; }
.form-msg { margin-top: 14px; font-size: 14px; display: none; }
.form-msg.ok { color: #26b36b; display: block; }
.form-msg.err { color: #ff5a3c; display: block; }

.region-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.region-item {
    background: #fff; border: 1px solid var(--c-border); border-radius: 10px; padding: 26px;
    transition: all .35s;
}
.region-item:hover { box-shadow: var(--shadow-sm); border-color: #cfe2f7; }
.region-item h4 { font-size: 16px; color: var(--c-primary); margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px dashed var(--c-border); }
.region-item p { font-size: 14px; color: var(--c-gray); line-height: 2; }

.map-box { border-radius: 10px; overflow: hidden; border: 1px solid var(--c-border); background: var(--c-light); height: 100%; min-height: 420px; position: relative; }
.map-box iframe { width: 100%; height: 100%; min-height: 420px; border: 0; display: block; }

/* =========================================================
   页脚
   ========================================================= */
.site-footer { background: var(--c-deeper); color: rgba(255, 255, 255, .68); position: relative; overflow: hidden; }
.site-footer::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent), var(--c-primary));
}
.footer-main { padding: 64px 0 54px; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.1fr; gap: 46px; }
.footer-col h4 { color: #fff; font-size: 17px; margin-bottom: 24px; position: relative; padding-bottom: 14px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 34px; height: 3px; border-radius: 2px; background: var(--c-accent); }
.footer-col ul li { margin-bottom: 12px; font-size: 14.5px; }
.footer-col ul li a:hover { color: var(--c-accent-2); padding-left: 4px; }
.footer-about .logo { margin-bottom: 22px; }
.footer-about .logo img { width: 230px; height: auto; }
.footer-about p { font-size: 14.5px; line-height: 2; margin-bottom: 20px; }
/* 联系信息：标签在上（淡）、值在下（亮），图标固定宽度让三行文字左缘对齐 */
/* 特异性要压过 .footer-col ul li 的 margin-bottom:12px */
.footer-about .footer-contact li { display: flex; align-items: flex-start; gap: 11px; margin-bottom: 17px; font-size: 14.5px; line-height: 1.6; }
.footer-about .footer-contact li:last-child { margin-bottom: 0; }
.footer-contact li i {
    flex: 0 0 16px; width: 16px; font-size: 14px; line-height: 20px;
    text-align: center; color: var(--c-accent-2);
}
.footer-contact .fc-text { min-width: 0; }
.footer-contact em {
    display: block; font-style: normal; font-size: 12px; letter-spacing: .6px;
    line-height: 20px; margin-bottom: 2px; color: rgba(255, 255, 255, .42);
}
.footer-contact .fc-text > span {
    display: block; color: rgba(255, 255, 255, .9); overflow-wrap: anywhere;
}

.footer-qr { display: flex; gap: 20px; }
.footer-qr .qr { text-align: center; }
.footer-qr .qr .box {
    width: 108px; height: 108px; background: #fff; border-radius: 8px; padding: 7px;
    display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.footer-qr .qr .box img { width: 100%; height: 100%; object-fit: contain; }
.footer-qr .qr span { display: block; font-size: 12.5px; margin-top: 9px; color: rgba(255, 255, 255, .58); }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .09); padding: 22px 0;
    display: flex; justify-content: space-between; align-items: center; font-size: 13.5px; flex-wrap: wrap; gap: 12px;
}
.footer-bottom a:hover { color: var(--c-accent-2); }

/* 首页右侧栏目导航（悬停定位） */
.page-nav {
    position: fixed; right: 22px; top: 50%; z-index: 820;
    display: flex; flex-direction: column; align-items: center; gap: 1px;
    padding: 12px 9px; border-radius: 999px;
    background: rgba(255, 255, 255, .9);
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
    border: 1px solid rgba(9, 63, 116, .09);
    box-shadow: 0 12px 30px rgba(9, 40, 77, .14);
    opacity: 0; visibility: hidden;
    transform: translateY(-50%) translateX(16px);
    transition: opacity .4s, visibility .4s, transform .4s;
}
.page-nav.show { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.page-nav a {
    position: relative; display: flex; align-items: center; justify-content: center;
    width: 100%; height: 24px;
}
/* 拉宽悬停热区，鼠标不易划空 */
.page-nav a::before { content: ''; position: absolute; inset: 0 -11px; }
.page-nav .pn-dot {
    display: block; width: 7px; height: 7px; border-radius: 50%;
    background: #c6d5e4; transition: all .3s;
}
.page-nav a:hover .pn-dot { background: var(--c-primary); transform: scale(1.5); }
.page-nav a.active .pn-dot {
    background: var(--c-primary); height: 16px; border-radius: 4px;
    box-shadow: 0 0 0 3px rgba(11, 95, 174, .1);
}
.page-nav .pn-label {
    position: absolute; right: 24px; top: 50%;
    transform: translateY(-50%) translateX(8px);
    background: rgba(8, 29, 53, .94); color: #fff;
    font-size: 12.5px; line-height: 1; padding: 8px 12px; border-radius: 6px;
    white-space: nowrap; opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .26s, visibility .26s, transform .26s;
}
.page-nav .pn-label::after {
    content: ''; position: absolute; left: 100%; top: 50%;
    margin-top: -5px; border: 5px solid transparent; border-left-color: rgba(8, 29, 53, .94);
}
.page-nav a:hover .pn-label { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }

/* 回到顶部 */
.back-top {
    position: fixed; right: 26px; bottom: 34px; z-index: 800;
    width: 48px; height: 48px; border-radius: 10px; background: var(--c-primary); color: #fff;
    display: flex; align-items: center; justify-content: center; cursor: pointer;
    box-shadow: 0 10px 26px rgba(11, 95, 174, .35); opacity: 0; visibility: hidden; transition: all .35s;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--c-primary-dark); transform: translateY(-4px); }
.back-top i { font-size: 20px; color: #fff; }

/* 侧边悬浮联系 */
.float-bar {
    position: fixed; right: 26px; bottom: 100px; z-index: 800;
    display: flex; flex-direction: column; gap: 10px;
}
.float-bar a {
    width: 48px; height: 48px; border-radius: 10px; background: #fff; color: var(--c-primary);
    display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm);
    border: 1px solid var(--c-border); position: relative;
}
.float-bar a:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.float-bar a i { font-size: 21px; color: currentColor; }
.float-bar a .tip {
    position: absolute; right: 58px; top: 50%; transform: translateY(-50%);
    background: var(--c-deep); color: #fff; font-size: 13px; padding: 7px 14px; border-radius: 6px;
    white-space: nowrap; opacity: 0; visibility: hidden; transition: all .3s;
}
.float-bar a:hover .tip { opacity: 1; visibility: visible; }

/* 区域服务联络处 */
.jd-region-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.jd-region-list .jd-region {
    background: #fff; border: 1px solid var(--c-border); border-radius: 10px; padding: 26px;
    transition: all .35s; min-width: 0;
}
.jd-region-list .jd-region h4,
.jd-region-list .jd-region p { overflow-wrap: anywhere; }
.jd-region-list .jd-region:hover { box-shadow: var(--shadow-sm); border-color: #cfe2f7; transform: translateY(-4px); }
.jd-region-list .jd-region h4 {
    font-size: 16px; color: var(--c-primary); margin: 0 0 12px; padding-bottom: 12px;
    border-bottom: 1px dashed var(--c-border); padding-left: 0;
}
.jd-region-list .jd-region h4::before { display: none; }
.jd-region-list .jd-region p { font-size: 14px; color: var(--c-gray); line-height: 2; margin: 0; }

/* =========================================================
   新闻列表（竖排）
   ========================================================= */
.news-vertical > li { border-bottom: 1px solid var(--c-border); padding: 28px 0; }
.news-vertical > li:first-child { padding-top: 0; }
.news-vertical .info { display: flex; gap: 26px; align-items: flex-start; }
.news-vertical .date {
    flex: 0 0 auto; width: 92px; text-align: center; background: var(--c-light);
    border-radius: 8px; padding: 16px 8px; border: 1px solid var(--c-border);
}
.news-vertical .date strong { display: block; font-size: 30px; color: var(--c-primary); font-family: Arial; line-height: 1; }
.news-vertical .date span { font-size: 13px; color: #9fb0c2; }
.news-vertical .txt { flex: 1 1 auto; }
.news-vertical .txt h3 { font-size: 20px; margin-bottom: 10px; }
.news-vertical .txt h3 a:hover { color: var(--c-primary); }
.news-vertical .txt p { font-size: 14.5px; color: var(--c-gray); line-height: 1.9; margin-bottom: 12px; }
.news-vertical .meta { display: flex; gap: 14px; align-items: center; font-size: 13px; color: #9fb0c2; }
.news-vertical .badge { background: var(--c-primary); color: #fff; padding: 1px 10px; border-radius: 3px; font-size: 12px; }
.news-vertical .badge.rec { background: #26b36b; }

/* =========================================================
   新闻列表（横向卡片 + 小封面）
   ========================================================= */
.news-cards { display: flex; flex-direction: column; gap: 24px; }
.news-card-item {
    display: grid; grid-template-columns: 280px 1fr; gap: 28px;
    background: #fff; border: 1px solid var(--c-border); border-radius: 10px;
    padding: 22px; transition: transform .4s, box-shadow .4s, border-color .4s;
}
.news-card-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #cfe2f7; }
.news-card-item .nc-thumb {
    display: block; height: 170px; border-radius: 8px; overflow: hidden; background: var(--c-light);
}
.news-card-item .nc-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.news-card-item:hover .nc-thumb img { transform: scale(1.07); }
.news-card-item .nc-body { display: flex; flex-direction: column; min-width: 0; }
.news-card-item .nc-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; color: #9fb0c2; }
.news-cards .nc-cate {
    background: rgba(11, 95, 174, .08); color: var(--c-primary);
    padding: 3px 13px; border-radius: 40px; font-size: 12.5px;
}
.news-cards .nc-badge { background: var(--c-primary); color: #fff; padding: 2px 10px; border-radius: 3px; font-size: 12px; }
.news-cards .nc-badge.rec { background: #26b36b; }
.news-card-item .nc-date { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; }
.news-card-item .nc-date i { font-size: 12.5px; }
.news-card-item h3 { font-size: 20px; margin: 12px 0 10px; }
.news-card-item h3 a {
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card-item h3 a:hover { color: var(--c-primary); }
.news-card-item p {
    font-size: 14.5px; color: var(--c-gray); line-height: 1.9;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card-item .nc-foot {
    margin-top: auto; padding-top: 16px; display: flex; align-items: center;
    justify-content: space-between; font-size: 13px; color: #9fb0c2;
}
.news-card-item .nc-views { display: inline-flex; align-items: center; gap: 6px; }
.news-card-item .nc-more { color: var(--c-primary); font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }
.news-card-item .nc-more i { font-size: 11px; transition: transform .3s; }
.news-card-item:hover .nc-more i { transform: translateX(4px); }

/* =========================================================
   新闻详情
   ========================================================= */
.na { background: #fff; border: 1px solid var(--c-border); border-radius: 12px; padding: 40px 44px 44px; }
.na-head { border-bottom: 1px solid var(--c-border); padding-bottom: 26px; }
.na-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.na-top .na-cate {
    display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--c-primary);
    background: rgba(11, 95, 174, .08); padding: 5px 15px; border-radius: 40px;
}
.na-top .na-cate i { font-size: 12.5px; }
.na-top .nc-badge { background: var(--c-primary); color: #fff; padding: 2px 10px; border-radius: 3px; font-size: 12px; }
.na-top .nc-badge.rec { background: #26b36b; }
.na-head h1 { font-size: 30px; line-height: 1.5; letter-spacing: .3px; }
.na-head .na-sub { color: var(--c-gray); font-size: 15.5px; margin-top: 12px; }
.na-meta {
    display: flex; flex-wrap: wrap; gap: 22px; margin-top: 20px;
    font-size: 13px; color: #9fb0c2;
}
.na-meta span { display: inline-flex; align-items: center; gap: 7px; }
.na-meta i { font-size: 13px; color: #b6c4d2; }

.na-cover { margin: 28px 0 0; border-radius: 10px; overflow: hidden; background: var(--c-light); }
.na-cover img { width: 100%; max-height: 360px; object-fit: cover; display: block; }

.na-lead {
    margin: 28px 0 6px; padding: 20px 24px; font-size: 15.5px; line-height: 1.95; color: #4a5a6b;
    background: var(--c-light); border-left: 4px solid var(--c-primary); border-radius: 0 8px 8px 0;
}
.na-body { padding-top: 14px; }
.na-body h3:first-child, .na-body p:first-child { margin-top: 0; }

.na-tags { margin-top: 36px; padding-top: 24px; border-top: 1px dashed var(--c-border); display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.na-tags-label { font-size: 13px; color: #9fb0c2; display: inline-flex; align-items: center; gap: 7px; margin-right: 4px; }
.na-tag {
    font-size: 13px; color: var(--c-primary); background: rgba(11, 95, 174, .08);
    padding: 5px 15px; border-radius: 40px; transition: all .3s;
}
.na-tag:hover { background: var(--c-primary); color: #fff; }

.na-cta {
    margin-top: 34px; padding: 26px 30px; border-radius: 10px;
    background: linear-gradient(120deg, var(--c-deeper), var(--c-primary));
    display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.na-cta h4 { color: #fff; font-size: 19px; margin-bottom: 8px; }
.na-cta p { color: rgba(255, 255, 255, .72); font-size: 14px; margin: 0; }
.na-cta .btn { background: #fff; color: var(--c-primary); flex: 0 0 auto; }
.na-cta .btn:hover { background: var(--c-accent-2); color: #fff; transform: translateY(-2px); }

.na-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 26px; }
.na-pager-item {
    display: flex; flex-direction: column; gap: 8px; padding: 20px 24px;
    background: #fff; border: 1px solid var(--c-border); border-radius: 10px;
    transition: all .35s; min-width: 0;
}
.na-pager-item .lbl { font-size: 12.5px; color: #9fb0c2; display: inline-flex; align-items: center; gap: 7px; }
.na-pager-item strong {
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    font-size: 15px; font-weight: 400; color: var(--c-text); line-height: 1.65;
}
.na-pager-item.next { text-align: right; }
.na-pager-item.next .lbl, .na-pager-item.next strong { justify-content: flex-end; }
a.na-pager-item:hover { border-color: #cfe2f7; box-shadow: var(--shadow-sm); transform: translateY(-3px); color: inherit; }
a.na-pager-item:hover strong { color: var(--c-primary); }
.na-pager-item.disabled { opacity: .62; }
.na-pager-item.disabled strong { color: #b6c4d2; }

.na-related { margin-top: 46px; }
.na-related-head { display: flex; align-items: baseline; gap: 14px; padding-bottom: 16px; border-bottom: 2px solid var(--c-deep); position: relative; margin-bottom: 26px; }
.na-related-head::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 70px; height: 2px; background: var(--c-accent); }
.na-related-head h3 { font-size: 21px; }
.na-related-head .en { font-size: 12px; letter-spacing: 2px; color: #a8b7c6; font-family: Arial; }
.na-related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.na-rel-card {
    display: grid; grid-template-columns: 116px 1fr; gap: 16px; align-items: center;
    background: #fff; border: 1px solid var(--c-border); border-radius: 10px; padding: 14px;
    transition: all .35s;
}
.na-rel-card:hover { border-color: #cfe2f7; box-shadow: var(--shadow-sm); transform: translateY(-3px); color: inherit; }
.na-rel-card .thumb { height: 76px; border-radius: 7px; overflow: hidden; background: var(--c-light); }
.na-rel-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.na-rel-card h5 {
    font-size: 14.5px; font-weight: 400; line-height: 1.65; color: var(--c-text);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.na-rel-card:hover h5 { color: var(--c-primary); }
.na-rel-card em { font-style: normal; font-size: 12px; color: #a8b7c6; }

/* =========================================================
   搜索页
   ========================================================= */
.search-bar { display: flex; gap: 12px; max-width: 620px; margin: 0 auto 50px; }
.search-bar input {
    flex: 1 1 auto; border: 1px solid var(--c-border); border-radius: 40px; padding: 14px 24px;
    font-size: 15px; background: #fff;
}
.search-bar input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(11, 95, 174, .08); }
.search-group { margin-bottom: 56px; }
.search-group h3 {
    font-size: 20px; padding-bottom: 14px; margin-bottom: 26px;
    border-bottom: 2px solid var(--c-deep); position: relative;
}
.search-group h3::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 70px; height: 2px; background: var(--c-accent); }
.search-group h3 span { font-size: 13px; color: #9fb0c2; font-weight: 400; margin-left: 8px; }

/* =========================================================
   分页 / 空状态
   ========================================================= */
.empty {
    padding: 90px 20px; text-align: center; color: #9fb0c2; font-size: 15px;
    background: #fff; border: 1px dashed var(--c-border); border-radius: 10px;
}

/* =========================================================
   首页 · 经典案例
   ========================================================= */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.case-card {
    display: block; background: #fff; border-radius: var(--c-radius); overflow: hidden;
    border: 1px solid var(--c-border); box-shadow: var(--shadow-sm);
    transition: transform .4s, box-shadow .4s, border-color .4s;
}
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: #cfe2f7; }

.case-thumb { position: relative; height: 236px; overflow: hidden; background: var(--c-light); }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.case-card:hover .case-thumb img { transform: scale(1.08); }
.case-mask {
    position: absolute; left: 0; top: 0; right: 0; bottom: 0; opacity: 0;
    background: linear-gradient(180deg, rgba(4, 31, 61, 0) 34%, rgba(4, 31, 61, .76) 100%);
    transition: opacity .4s;
}
.case-card:hover .case-mask { opacity: 1; }
.case-go {
    position: absolute; left: 24px; bottom: 20px; color: #fff; font-size: 14px; font-weight: 700;
    opacity: 0; transform: translateY(12px); transition: opacity .4s, transform .4s;
}
.case-go i { font-style: normal; margin-left: 5px; }
.case-card:hover .case-go { opacity: 1; transform: translateY(0); }

.case-body { padding: 24px 24px 26px; }
.case-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--c-gray); margin-bottom: 12px; }
.case-meta .client { color: var(--c-primary); font-weight: 700; position: relative; padding-left: 12px; }
.case-meta .client::before {
    content: ""; position: absolute; left: 0; top: 50%; margin-top: -7px;
    width: 4px; height: 14px; border-radius: 2px; background: var(--c-primary);
}
.case-meta .time { margin-left: auto; padding: 2px 12px; background: var(--c-light); border-radius: 20px; font-size: 12px; }
.case-card h3 {
    font-size: 18px; line-height: 1.55; margin-bottom: 10px; color: var(--c-deep);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    min-height: 56px; transition: color .3s;
}
.case-card:hover h3 { color: var(--c-primary); }
.case-card p {
    font-size: 14px; color: var(--c-gray); line-height: 1.8;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.case-more { text-align: center; margin-top: 46px; }

/* =========================================================
   解决方案（无栏目 · 行业方案平铺）
   ========================================================= */
.sol-intro { background: #fff; border-bottom: 1px solid var(--c-border); padding: 60px 0; }
.sol-intro-inner { display: grid; grid-template-columns: 1fr 430px; gap: 60px; align-items: center; }
.si-txt .en {
    display: block; font-size: 13px; letter-spacing: 4px; color: var(--c-accent);
    font-family: Arial, sans-serif; text-transform: uppercase; margin-bottom: 12px;
}
.si-txt h2 { font-size: 32px; margin-bottom: 16px; letter-spacing: 1px; }
.si-txt p { color: var(--c-gray); font-size: 15.5px; line-height: 2; margin: 0; }
.si-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.si-facts li {
    text-align: center; padding: 22px 8px; border-radius: 10px;
    background: linear-gradient(160deg, var(--c-light), #fff); border: 1px solid var(--c-border);
}
.si-facts strong { display: block; font-size: 30px; font-family: Arial; line-height: 1; color: var(--c-primary); }
.si-facts span { font-size: 13px; color: var(--c-gray); }

.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.sol-card {
    display: flex; flex-direction: column; background: #fff; overflow: hidden;
    border: 1px solid var(--c-border); border-radius: 12px; box-shadow: var(--shadow-sm);
    transition: transform .4s, box-shadow .4s, border-color .4s;
}
.sol-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: #cfe2f7; color: inherit; }
.sc-cover { position: relative; height: 205px; overflow: hidden; background: var(--c-light); }
.sc-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.sol-card:hover .sc-cover img { transform: scale(1.06); }
.sc-no {
    /* 封面左侧是行业名与副标题，序号放右上角避让 */
    position: absolute; right: 16px; top: 16px; width: 44px; height: 44px; border-radius: 10px;
    background: rgba(4, 31, 61, .68); color: #fff; font-family: Arial; font-size: 17px; font-weight: 700;
    display: flex; align-items: center; justify-content: center; letter-spacing: .5px;
    backdrop-filter: blur(2px);
}
.sc-body { padding: 24px 26px 24px; display: flex; flex-direction: column; flex: 1 1 auto; }
.sc-body h3 { font-size: 19px; line-height: 1.55; margin-bottom: 12px; transition: color .3s; }
.sol-card:hover .sc-body h3 { color: var(--c-primary); }
.sc-body p {
    font-size: 14px; color: var(--c-gray); line-height: 1.9; margin-bottom: 18px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sc-foot {
    margin-top: auto; padding-top: 16px; border-top: 1px dashed var(--c-border);
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.sc-tags { font-size: 12.5px; color: #93a5b8; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sc-more { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 700; color: var(--c-primary); flex: 0 0 auto; }
.sc-more i { font-size: 11px; transition: transform .3s; }
.sol-card:hover .sc-more i { transform: translateX(4px); }

/* =========================================================
   响应式
   ========================================================= */
/* 1101~1320 窄桌面：logo 175 + 7 个菜单 + 热线会挤到换行，压缩菜单内边距 */
@media (min-width: 1101px) and (max-width: 1320px) {
    .site-header .logo { margin-right: 18px; }
    .site-header .nav > ul > li > a { padding: 0 13px; font-size: 15px; }
    .nav-hotline .txt strong { font-size: 17px; }
    .nav-hotline .icon i { font-size: 17px; }
}
@media (max-width: 1280px) {
    .container, .inner-banner .ib-inner { width: calc(100% - 40px); }
    /* 仍保持 4 列（原来最后一列跨整行会让「关注我们」独自掉到左下角） */
    .footer-main { grid-template-columns: 1.4fr 1fr 1fr 1.15fr; gap: 30px; }
    .footer-main .footer-col:last-child { grid-column: auto; }
    /* 容器变窄后右侧留白不够，栏目导航收窄；right 留够滚动条宽度，避免被滚动条压住 */
    .page-nav { right: 20px; padding: 9px 6px; }
    .page-nav .pn-dot { width: 6px; height: 6px; }
}
/* 产品分类已有 8 项，1101~1264 会挤到第二行只剩一个，压缩字号与内边距保持单行 */
@media (min-width: 1101px) and (max-width: 1264px) {
    .subnav-bar li a { padding: 20px 7px; font-size: 14px; }
    .subnav-bar li a .cn { font-size: 14px; }
}
/* ≤1100 七项一行放不下，wrap 会变成 6+1（最后一条孤零零），改横向滑动 */
@media (max-width: 1100px) {
    .subnav-bar ul {
        flex-wrap: nowrap; justify-content: flex-start;
        overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
    }
    .subnav-bar ul::-webkit-scrollbar { display: none; }
    .subnav-bar li { flex: 0 0 auto; }
    .subnav-bar li a { padding: 17px 10px; font-size: 14px; white-space: nowrap; }
    .subnav-bar li a .cn { font-size: 14px; }
}
@media (max-width: 1100px) {
    .page-nav { display: none; }
}
/* 容器 1241（1200 + 左右 20 内边距）+ 悬浮条占 74（26 右距 + 48 宽），
   视口 <1390 时悬浮条必然压住正文右缘（1265 下重叠 54px、1366 下重叠 19px） */
@media (max-width: 1389px) {
    .float-bar { display: none; }
}
/* 矮屏（笔记本 1366×768 等）压缩行高并上移，避开右下角客服条 */
@media (max-height: 760px) {
    .page-nav { top: 42%; padding: 8px 7px; }
    .page-nav a { height: 19px; }
    .page-nav a.active .pn-dot { height: 13px; }
}

/* ---------------------------------------------------------
   第三张 banner（夜景 + 资质证书）：窄屏不要放大背景
   cover 在 1920 以下会按高度放大（1366 宽时放大 1.4 倍），
   证书被撑大、右侧两张被切、还和标题挤在一起。
   这里改成「固定尺寸 + 靠右裁切」，证书大小与原图一致、右侧不被切；
   同时加强左侧渐变，把压在文案区的证书压暗，白字才读得清。
   --------------------------------------------------------- */
@media (min-width: 1101px) and (max-width: 1919px) {
    .hero-slide-3 {
        background-size: 1920px 760px;
        background-position: right center;
    }
    .hero-slide-3::after {
        background:
            linear-gradient(to top, rgba(4, 31, 61, .72) 0%, rgba(4, 31, 61, .12) 32%, rgba(4, 31, 61, 0) 55%),
            linear-gradient(100deg, rgba(4, 31, 61, .95) 0%, rgba(4, 31, 61, .84) 22%, rgba(4, 31, 61, .46) 36%, rgba(4, 31, 61, .12) 50%, rgba(4, 31, 61, 0) 60%);
    }
}
@media (max-width: 1100px) {
    .container { width: calc(100% - 32px); }
    .hero h1 { font-size: 42px; }
    .grid-4, .honor-grid, .culture-grid, .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .jd-region-list { grid-template-columns: repeat(2, 1fr); gap: 18px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .news-wrap { grid-template-columns: 1fr; }
    .detail-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .about-intro, .message-layout { grid-template-columns: 1fr; gap: 40px; }
    /* 单列：图集与文案收成同一条宽度并居中，左右边缘对齐；写死宽度会让 700+ 高的图压满屏 */
    .abt-wrap { grid-template-columns: 1fr; gap: 38px; justify-items: center; }
    .abt-media, .abt-text { max-width: 680px; width: 100%; }
    .prod-panel-inner { grid-template-columns: 1fr; }
    /* minmax(0,1fr)：1fr 的 auto 最小尺寸会被图片撑到 397px，容器只有 335 → 整页右溢 */
    .prod-detail-top { grid-template-columns: minmax(0, 1fr); gap: 34px; }
    .footer-main { grid-template-columns: repeat(2, 1fr); gap: 34px; }
    .footer-main .footer-col:last-child { grid-column: auto; }
    .partner-grid { --p-cols: 4; --p-gap: 12px; }
    .partner-item { height: 88px; }
    /* 移动端导航 */
    .nav-toggle { display: block; margin-left: auto; }
    /* 抽屉打开时汉堡要紧贴抽屉左缘之上，才能点它关闭 */
    body.nav-open .nav-toggle { z-index: 960; }
    body.nav-open .site-header .nav-toggle span { background: transparent !important; }
    body.nav-open .site-header .nav-toggle span::before { top: 0; transform: rotate(45deg); }
    body.nav-open .site-header .nav-toggle span::after { top: 0; transform: rotate(-45deg); }
    .site-header .nav {
        position: fixed; top: 0; right: -300px; width: 280px; height: 100vh;
        background: var(--c-deeper); padding: 78px 20px 30px; overflow-y: auto;
        transition: right .35s; z-index: 950;
    }
    .site-header .nav.open { right: 0; }
    .site-header .nav > ul { flex-direction: column; align-items: stretch; justify-content: flex-start; }
    .site-header .nav > ul > li > a { color: #fff !important; height: auto; line-height: 1.6; padding: 15px 4px; }
    .site-header .nav > ul > li > a::after { display: none; }
    /* 桌面端的三角改为真实的展开按钮，保证手机端「标题可跳转、箭头可展开」 */
    .site-header .nav > ul > li.has-sub > a::before { display: none; }
    .site-header .nav > ul > li.has-sub > a { padding-right: 58px; }
    .site-header .nav > ul > li > .sub-toggle {
        display: flex; position: absolute; top: 8px; right: 0; width: 52px; height: 44px;
        align-items: center; justify-content: center; color: rgba(255, 255, 255, .72); font-size: 14px;
        border-radius: 8px; -webkit-tap-highlight-color: transparent;
    }
    .site-header .nav > ul > li > .sub-toggle i { transition: transform .3s; }
    .site-header .nav > ul > li.open > .sub-toggle i { transform: rotate(180deg); }
    .site-header .nav > ul > li.open > .sub-toggle { color: var(--c-accent-2); }
    .site-header .sub-menu {
        position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
        background: rgba(255, 255, 255, .06); min-width: auto; display: none;
        padding: 4px 0 8px; transition: none;
    }
    /* 移动端靠 JS 点击切换 .open（触摸设备没有可靠的 :hover） */
    .site-header .nav > ul > li > .sub-menu.open { display: block; }
    /* 双保险：触摸设备点按后 :hover 会残留，这里用同级权重强制复位，
       避免子菜单被残留的 translate(-50%) 移位后又被抽屉裁掉。 */
    .site-header .nav > ul > li:hover .sub-menu,
    .site-header .nav > ul > li > .sub-menu.open { position: static; transform: none; }
    /* 触摸残留 hover 时不要产生 4px 缩进跳动 */
    .site-header .sub-menu a:hover { padding-left: 22px; background: transparent; color: rgba(255, 255, 255, .78); }
    .site-header .sub-menu::before { display: none; }
    .site-header .sub-menu a { color: rgba(255, 255, 255, .78); }
    .nav-hotline { display: none; }
    /* 窄屏隐藏顶部欢迎语，右侧信息靠右排布 */
    .site-header .topbar-left { display: none; }
    .site-header .topbar .container { justify-content: flex-end; }
}
@media (max-width: 768px) {
    .section { padding: 62px 0; }
    .hero { height: 620px; }
    .hero-inner { padding-top: calc(var(--header-h) + var(--topbar-h) + 28px); justify-content: flex-start; }
    /* 字号与字距一起收，保证 11 字标题在 390 宽下不折行（原来末尾会掉一个字） */
    .hero h1 { font-size: 26px; letter-spacing: 1px; line-height: 1.36; }
    /* 第三张的证书集中在右侧，手机上把焦点移到左侧城市，否则只会露出半张证书 */
    .hero-slide-3 { background-position: 14% center; }
    .hero p { font-size: 15px; }
    /* 小屏上背景整体压暗一档，避免大屏里的界面文字与主标题互相干扰 */
    .hero-slide::after {
        background:
            linear-gradient(to top, rgba(4, 31, 61, .82) 0%, rgba(4, 31, 61, .68) 40%, rgba(4, 31, 61, .58) 100%),
            linear-gradient(100deg, rgba(4, 31, 61, .7) 0%, rgba(4, 31, 61, .42) 70%, rgba(4, 31, 61, .3) 100%);
    }
    .hero-tag { font-size: 11px; letter-spacing: 1px; padding: 6px 13px; margin-bottom: 18px; }
    /* 顶部信息栏：移动端仅保留服务热线，避免与 logo 挤在一起 */
    .site-header .topbar-left { display: none; }
    .site-header .topbar-right .tb-item:nth-child(n + 2) { display: none; }
    .site-header .topbar .container { justify-content: center; }
    .site-header .topbar .tb-item { margin-left: 0; }
    /* 手机上 logo 与汉堡按钮要并排放下 */
    .site-header .logo { margin-right: 16px; }
    .site-header .logo img { width: 160px; }
    .site-header.is-scrolled .logo img { width: 150px; }
    .hero-btns { margin-top: 28px; }
    .hero-facts { display: none; }
    /* 手机上箭头移到底部两侧，避免压住副标题和按钮 */
    .hero-arrow { top: auto; bottom: 20px; width: 34px; height: 34px; font-size: 13px; opacity: .85; }
    .hero-prev { left: 12px; }
    .hero-next { right: 12px; }
    .hero-dots { bottom: 26px; gap: 8px; }
    .hero-dots i { width: 24px; }
    .hero-dots i.active { width: 40px; }
    .sec-head h2 { font-size: 26px; }
    .inner-banner { height: 300px; }
    .inner-banner h1 { font-size: 28px; }
    .prod-tab-nav { flex-wrap: wrap; }
    .prod-tab-nav li { flex: 0 0 50%; border-bottom: 1px solid var(--c-border); padding: 16px 8px; }
    .prod-tab-nav li .cn { font-size: 15px; }
    .prod-cards, .news-feature, .grid-3, .grid-2, .grid-4, .honor-grid, .culture-grid,
    .contact-grid, .prod-feats, .region-list, .form-row, .case-grid, .jd-region-list { grid-template-columns: 1fr; }
    /* 单列后卡片不再被右侧列表拉高：图片改按 16:10 收一档（≤768 卡片满宽，不封顶会到 450+ 高） */
    .news-card .thumb { flex: 0 0 auto; min-height: 0; aspect-ratio: 16 / 10; max-height: 320px; }
    .news-card .desc { -webkit-line-clamp: 2; }
    .news-list-head h3 { font-size: 18px; }
    .news-list { padding: 4px 18px 8px; }
    .jd-region-list { gap: 16px; }
    .jd-region-list .jd-region { padding: 20px; }
    .case-thumb { height: 210px; }
    .case-card h3 { min-height: auto; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-item { padding: 28px 12px; }
    .stat-item .num { font-size: 34px; }
    .stat-item .name { font-size: 15px; }
    .abt-feats { grid-template-columns: 1fr; }
    .case-facts { grid-template-columns: 1fr 1fr; }
    .footer-main { grid-template-columns: 1fr; }
    .abt-years { width: 96px; padding: 10px 6px 9px 6px; right: 12px; top: 12px; }
    .abt-years strong { font-size: 25px; }
    .abt-years span { font-size: 11.5px; margin-top: 4px; }
    .abt-years em { font-size: 9.5px; }
    .abt-media .abt-shot { aspect-ratio: 4 / 3; }
    .detail-head h1 { font-size: 24px; }
    .article-body { font-size: 15.5px; }
    .param-table th { width: 130px; }
    /* 产品分类有 7 项，手机上换行会顶出 3~4 行，改横向滑动 */
    .subnav-bar ul {
        flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto;
        -webkit-overflow-scrolling: touch; scrollbar-width: none;
    }
    .subnav-bar ul::-webkit-scrollbar { display: none; }
    .subnav-bar li { flex: 0 0 auto; }
    .subnav-bar li a { padding: 14px 14px; font-size: 14px; white-space: nowrap; }
    .subnav-bar li a::after { height: 2px; }
    .subnav-bar li.active a::after { width: 28px; }
    .float-bar { display: none; }
    .back-top { right: 16px; bottom: 20px; width: 42px; height: 42px; }
    .partners .sec-head { margin-bottom: 34px; }
    /* 手机端两列，卡片高度略收 */
    .partner-grid { --p-cols: 2; --p-gap: 10px; }
    .partner-item { height: 80px; padding: 9px 11px; }
}

/* =========================================================
   新闻模块 · 响应式补充
   ========================================================= */
@media (max-width: 1100px) {
    .news-card-item { grid-template-columns: 220px 1fr; gap: 22px; }
    .news-card-item .nc-thumb { height: 150px; }
    .na { padding: 32px 26px 34px; }
    .na-pager { grid-template-columns: 1fr; }
    .na-related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .news-card-item { grid-template-columns: 1fr; gap: 16px; padding: 18px; }
    .news-card-item .nc-thumb { height: 186px; }
    .news-card-item h3 { font-size: 17.5px; }
    .news-card-item .nc-date { margin-left: 0; }
    .na { padding: 24px 18px 28px; border-radius: 10px; }
    .na-head h1 { font-size: 22px; }
    .na-head .na-sub { font-size: 14.5px; }
    .na-meta { gap: 14px; }
    .na-lead { padding: 16px 18px; font-size: 15px; }
    .na-cover img { max-height: 230px; }
    .na-pager-item { padding: 16px 18px; }
    .na-cta { padding: 22px 20px; }
    .na-cta .btn { width: 100%; justify-content: center; }
    .na-rel-card { grid-template-columns: 96px 1fr; }
}
@media (max-width: 1100px) {
    .sol-intro-inner { grid-template-columns: 1fr; gap: 34px; }
    .sol-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
@media (max-width: 768px) {
    .sol-intro { padding: 44px 0; }
    .si-txt h2 { font-size: 25px; }
    .sol-grid { grid-template-columns: 1fr; }
    .sc-cover { height: 186px; }
    .si-facts strong { font-size: 26px; }
}

/* =========================================================
   产品图集轮播 · 响应式
   ========================================================= */
@media (max-width: 1100px) {
    .prod-gallery .pg-stage { height: 330px; }
}
@media (max-width: 768px) {
    .prod-gallery { padding: 16px; }
    .prod-gallery .pg-stage { height: 240px; }
    .prod-gallery .pg-arrow { width: 34px; height: 34px; margin-top: -17px; font-size: 13px; }
    .prod-gallery .pg-prev { left: 8px; }
    .prod-gallery .pg-next { right: 8px; }
    .prod-gallery .pg-dots { bottom: 10px; }
    .prod-gallery .pg-thumbs { gap: 8px; margin-top: 14px; }
    .prod-gallery .pg-thumbs img { width: 64px; height: 48px; }
    /* 「立即咨询」+「电话咨询 0571-xxxx」并排需 238+110，390 屏直接右溢 42px，改整行堆叠 */
    .prod-summary .actions { flex-wrap: wrap; gap: 10px; }
    .prod-summary .actions .btn { flex: 1 1 100%; justify-content: center; }
}

/* =========================================================
   页脚 · 公安网备
   ========================================================= */
.footer-beian { display: flex; align-items: center; flex-wrap: wrap; }
.footer-beian .sep { margin: 0 10px; opacity: .35; }
.footer-beian .gongan { display: inline-flex; align-items: center; gap: 6px; }
.footer-beian .gongan img { width: 16px; height: 18px; display: block; flex: 0 0 auto; }

/* =========================================================
   关于我们 · 资质荣誉证书墙（按 认证资质 / 专利 / 软著 分组）
   ========================================================= */
.honor-groups { display: flex; flex-direction: column; gap: 54px; }
.honor-group-head {
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 24px; padding-bottom: 16px;
    border-bottom: 1px solid var(--c-border);
}
.hg-ico {
    flex: 0 0 auto; width: 44px; height: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff; font-size: 17px; box-shadow: 0 8px 18px rgba(9, 63, 116, .18);
}
.hg-txt h3 {
    display: flex; align-items: center; gap: 10px;
    margin: 0 0 4px; font-size: 19px; color: #0e2b4a;
}
.hg-txt h3 em {
    font-style: normal; font-size: 12px; font-weight: 500;
    color: var(--c-primary); background: rgba(11, 95, 174, .08);
    padding: 2px 9px; border-radius: 20px;
}
.hg-txt p { margin: 0; font-size: 13.5px; color: var(--c-gray); }
/* 用 flex + calc：一行放不下时，第二行从左边开始排（左对齐，不居中） */
.honor-wall {
    --h-cols: 5; --h-gap: 18px;
    display: flex; flex-wrap: wrap; justify-content: flex-start; gap: var(--h-gap);
}
.honor-cert {
    width: calc((100% - (var(--h-cols) - 1) * var(--h-gap)) / var(--h-cols) - .05px);
    margin: 0; background: #fff; border: 1px solid var(--c-border); border-radius: 8px;
    padding: 10px 10px 0; cursor: zoom-in; overflow: hidden;
    box-shadow: var(--shadow-sm); transition: all .38s;
}
.honor-cert:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #b9d7f4; }
.honor-cert .hc-img { border-radius: 5px; overflow: hidden; background: #fff; }
/* 真实扫描件比例不一（0.7~0.78），用 contain 完整显示，不裁边 */
.honor-cert .hc-img img {
    width: 100%; display: block; aspect-ratio: 3 / 4; object-fit: contain;
    transition: transform .55s;
}
.honor-cert:hover .hc-img img { transform: scale(1.035); }
.honor-cert figcaption { padding: 11px 4px 13px; text-align: center; }
.honor-cert .hc-name { display: block; font-size: 13px; color: #16324f; line-height: 1.45; }
.honor-cert .hc-meta { display: block; margin-top: 4px; font-size: 11.5px; color: #93a7bb; }
.honor-tip { text-align: center; margin-top: 32px; color: var(--c-gray); font-size: 14px; }
.honor-tip i { color: var(--c-accent); margin-right: 6px; }

/* =========================================================
   关于我们 · 智造车间实景
   ========================================================= */
.workshop-sec { position: relative; overflow: hidden; }
.workshop-sec::before {
    content: ''; position: absolute; right: -140px; top: -120px; width: 520px; height: 520px;
    border-radius: 50%; background: radial-gradient(circle, rgba(56, 189, 248, .22), transparent 68%);
    pointer-events: none;
}
.workshop-sec .container { position: relative; z-index: 2; }
.ws-desc {
    max-width: 880px; margin: 0 auto 46px; text-align: center;
    color: rgba(255, 255, 255, .76); font-size: 15.5px; line-height: 1.95;
}
.workshop-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.ws-item {
    margin: 0; border-radius: 10px; overflow: hidden; cursor: zoom-in;
    background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .13);
    transition: all .38s;
}
.ws-item:hover {
    transform: translateY(-6px); border-color: rgba(90, 190, 255, .6);
    box-shadow: 0 18px 42px rgba(0, 0, 0, .38);
}
/* 实景照片统一 4:3（与原图一致，cover 不再裁掉主体） */
.ws-item .ws-pic { aspect-ratio: 4 / 3; height: auto; overflow: hidden; }
.ws-item .ws-pic img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s; }
.ws-item:hover .ws-pic img { transform: scale(1.09); }
.ws-item figcaption {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    padding: 13px 14px; font-size: 13.5px; color: rgba(255, 255, 255, .86);
}
.ws-item .ws-zoom { color: rgba(255, 255, 255, .35); font-size: 12.5px; transition: color .3s; }
.ws-item:hover .ws-zoom { color: var(--c-accent-2); }

/* =========================================================
   通用 · 图片灯箱
   ========================================================= */
.jd-lightbox {
    position: fixed; inset: 0; z-index: 9999; background: rgba(5, 18, 34, .93);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 52px 30px 28px; opacity: 0; visibility: hidden;
    transition: opacity .3s, visibility .3s; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.jd-lightbox.show { opacity: 1; visibility: visible; }
.jd-lightbox img {
    max-width: min(1000px, 92vw); max-height: 76vh; display: block; margin: 0 auto;
    background: #fff; border-radius: 6px; box-shadow: 0 30px 80px rgba(0, 0, 0, .55);
}
.jd-lightbox .lb-cap { color: rgba(255, 255, 255, .92); text-align: center; margin-top: 20px; font-size: 15px; }
.jd-lightbox .lb-index { color: rgba(255, 255, 255, .45); font-size: 13px; margin-top: 6px; text-align: center; }
.jd-lightbox .lb-close {
    position: absolute; top: 24px; right: 30px; width: 44px; height: 44px; border-radius: 50%;
    background: rgba(255, 255, 255, .12); border: 0; color: #fff; cursor: pointer; font-size: 18px;
    display: flex; align-items: center; justify-content: center; transition: all .3s;
}
.jd-lightbox .lb-close:hover { background: rgba(255, 255, 255, .26); transform: rotate(90deg); }
.jd-lightbox .lb-nav {
    position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%;
    background: rgba(255, 255, 255, .12); border: 0; color: #fff; cursor: pointer; font-size: 20px;
    display: flex; align-items: center; justify-content: center; transition: all .3s;
}
.jd-lightbox .lb-nav:hover { background: rgba(255, 255, 255, .26); }
.jd-lightbox .lb-prev { left: 30px; }
.jd-lightbox .lb-next { right: 30px; }
.jd-lightbox .lb-nav[hidden] { display: none; }
body.lb-open { overflow: hidden; }

/* =========================================================
   关于我们模块 · 响应式
   ========================================================= */
@media (max-width: 1100px) {
    .honor-groups { gap: 44px; }
    .honor-wall { --h-cols: 4; --h-gap: 16px; }
    .workshop-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .honor-groups { gap: 36px; }
    .honor-group-head { gap: 11px; margin-bottom: 18px; padding-bottom: 12px; }
    .hg-ico { width: 38px; height: 38px; border-radius: 10px; font-size: 15px; }
    .hg-txt h3 { font-size: 17px; }
    .hg-txt p { font-size: 12.5px; }
    .honor-wall { --h-cols: 2; --h-gap: 12px; }
    .honor-cert { padding: 7px 7px 0; border-radius: 7px; }
    .honor-cert figcaption { padding: 9px 2px 11px; }
    .honor-cert .hc-name { font-size: 12px; }
    .honor-cert .hc-meta { font-size: 11px; margin-top: 4px; }
    /* 手机上编号太长会折两行，只留日期/专利类型 */
    .honor-cert .hc-no { display: none; }
    .honor-tip { font-size: 13px; }
    .ws-desc { font-size: 14.5px; margin-bottom: 32px; }
    .workshop-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .ws-item .ws-pic { aspect-ratio: 4 / 3; height: auto; }
    .ws-item figcaption { padding: 10px 11px; font-size: 12px; }
    .jd-lightbox { padding: 58px 12px 18px; }
    .jd-lightbox .lb-nav { width: 40px; height: 40px; font-size: 16px; }
    .jd-lightbox .lb-prev { left: 8px; }
    .jd-lightbox .lb-next { right: 8px; }
    .jd-lightbox .lb-close { top: 12px; right: 12px; width: 38px; height: 38px; }
    .jd-lightbox img { max-height: 68vh; }
    .footer-bottom { justify-content: center; text-align: center; }
}

/* =========================================================
   PCBA 定制（产品中心 · 单页面分类）
   ========================================================= */
.pc-band { background: #fff; border-bottom: 1px solid var(--c-border); }
.pc-metrics { display: grid; grid-template-columns: repeat(4, 1fr); }
.pc-metric { position: relative; padding: 34px 10px 30px; text-align: center; }
.pc-metric + .pc-metric::before {
    content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 1px; height: 46px; background: var(--c-border);
}
.pc-metric strong {
    display: block; font-family: Arial, sans-serif; font-size: 36px; line-height: 1.1;
    color: var(--c-primary); letter-spacing: -1px;
}
.pc-metric strong span { font-size: 15px; letter-spacing: 0; margin-left: 2px; }
.pc-metric em { display: block; font-style: normal; font-size: 14px; color: var(--c-gray); margin-top: 8px; }

/* 双列面板 */
.pc-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.pc-panel {
    background: #fff; border: 1px solid var(--c-border); border-radius: 12px;
    padding: 34px 34px 28px; box-shadow: var(--shadow-sm);
}
.pc-panel h3 {
    display: flex; align-items: center; gap: 10px; font-size: 22px; margin-bottom: 8px;
}
.pc-panel h3 i { color: var(--c-primary); font-size: 19px; }
.pc-panel-green h3 i { color: #0ea472; }
.pc-list { display: grid; }
.pc-item {
    display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px dashed var(--c-border);
}
.pc-item:last-child { border-bottom: 0; padding-bottom: 0; }
.pc-ico {
    flex: 0 0 40px; width: 40px; height: 40px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(11, 95, 174, .08); color: var(--c-primary); font-size: 16px;
}
.pc-panel-green .pc-ico { background: rgba(14, 164, 114, .1); color: #0ea472; }
.pc-item h4 { font-size: 16px; margin-bottom: 4px; }
.pc-item p { font-size: 14px; color: var(--c-gray); line-height: 1.7; }

/* 规格表 */
.pc-spec-wrap {
    max-width: 980px; margin: 0 auto; background: #fff; border: 1px solid var(--c-border);
    border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-sm);
}
.pc-spec { width: 100%; border-collapse: collapse; }
.pc-spec thead th {
    padding: 15px 24px; text-align: left; font-size: 15px; font-weight: 600; color: #fff;
    background: linear-gradient(135deg, var(--c-deep), var(--c-primary-dark));
}
.pc-spec thead th:first-child { width: 34%; }
.pc-spec tbody td {
    padding: 14px 24px; font-size: 14.5px; border-bottom: 1px solid var(--c-border);
}
.pc-spec tbody tr:last-child td { border-bottom: 0; }
.pc-spec tbody tr:nth-child(even) { background: #fafcff; }
.pc-spec tbody td:first-child { color: var(--c-deep); font-weight: 600; }
.pc-spec tbody td:last-child { color: var(--c-gray); }

/* 应用案例 */
.pc-apps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pc-app {
    background: #fff; border: 1px solid var(--c-border); border-radius: 12px; overflow: hidden;
    box-shadow: var(--shadow-sm); transition: all .4s;
}
.pc-app:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.pc-app .pic { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: #dbe6f2; }
.pc-app .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.pc-app:hover .pic img { transform: scale(1.05); }
.pc-app .body { padding: 22px 24px 26px; }
.pc-tag {
    display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 30px;
    font-size: 12.5px; color: var(--c-primary); background: rgba(11, 95, 174, .08); margin-bottom: 12px;
}
.pc-app h4 { font-size: 18px; margin-bottom: 10px; }
.pc-app p { font-size: 14px; color: var(--c-gray); line-height: 1.75; }

/* 车间四图 */
.pc-workshop { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pc-ws {
    position: relative; overflow: hidden; border-radius: 10px; cursor: zoom-in;
    aspect-ratio: 4 / 3; background: #dbe6f2;
}
.pc-ws img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.pc-ws:hover img { transform: scale(1.06); }
.pc-ws figcaption {
    position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 14px 12px;
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    font-size: 13.5px; color: #fff;
    background: linear-gradient(to top, rgba(4, 31, 61, .85), rgba(4, 31, 61, 0));
}
.pc-ws figcaption i { font-size: 12px; opacity: .75; }

/* 可靠性 + 流程 */
.pc-duo-cert { align-items: stretch; }
.pc-cert {
    border-radius: 12px; padding: 36px 38px; color: #fff; box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--c-deeper), var(--c-primary-dark));
}
.pc-cert h3 { display: flex; align-items: center; gap: 10px; font-size: 22px; color: #fff; margin-bottom: 20px; }
.pc-cert h3 i { color: var(--c-accent-2); font-size: 19px; }
.pc-cert li {
    position: relative; padding-left: 24px; margin-bottom: 14px;
    font-size: 14.5px; line-height: 1.8; color: rgba(255, 255, 255, .76);
}
.pc-cert li:last-child { margin-bottom: 0; }
.pc-cert li::before {
    content: ''; position: absolute; left: 0; top: 11px;
    width: 6px; height: 6px; border-radius: 50%; background: var(--c-accent-2);
}
.pc-cert li strong { color: #fff; }
.pc-flow-panel h3 { margin-bottom: 22px; }
.pc-flow { display: grid; gap: 18px; }
.pc-step { display: flex; gap: 14px; align-items: flex-start; }
.pc-step .no {
    flex: 0 0 38px; width: 38px; height: 38px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: Arial, sans-serif; font-size: 13px; font-weight: 700; color: #fff;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
}
.pc-step h4 { font-size: 15.5px; margin-bottom: 3px; }
.pc-step p { font-size: 13.5px; color: var(--c-gray); line-height: 1.7; }

/* 底部 CTA */
.pc-cta {
    margin-top: 60px; padding: 54px 30px; text-align: center;
    border: 1px solid var(--c-border); border-radius: 14px;
    background: linear-gradient(135deg, #eff6fd, #e4effc);
}
.pc-cta h3 { font-size: 28px; margin-bottom: 10px; }
.pc-cta p { font-size: 15.5px; color: var(--c-gray); margin-bottom: 26px; }
.pc-cta-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.pc-cta-note { display: block; margin-top: 20px; font-size: 13.5px; color: var(--c-gray); }
.pc-cta-note i { color: #0ea472; margin-right: 6px; }

@media (max-width: 1100px) {
    .pc-duo { grid-template-columns: 1fr; gap: 22px; }
    .pc-apps { grid-template-columns: repeat(2, 1fr); }
    .pc-workshop { grid-template-columns: repeat(2, 1fr); }
    .pc-metric strong { font-size: 30px; }
}
@media (max-width: 768px) {
    .pc-metrics { grid-template-columns: repeat(2, 1fr); }
    .pc-metric { padding: 24px 8px 22px; }
    .pc-metric:nth-child(odd)::before { display: none; }
    .pc-metric:nth-child(n+3) { border-top: 1px solid var(--c-border); }
    .pc-metric strong { font-size: 27px; }
    .pc-metric em { font-size: 13px; margin-top: 6px; }
    .pc-apps, .pc-workshop { grid-template-columns: 1fr; }
    .pc-panel, .pc-cert { padding: 26px 20px; }
    .pc-spec thead th, .pc-spec tbody td { padding: 12px 14px; font-size: 13.5px; }
    .pc-spec thead th:first-child { width: 42%; }
    .pc-cta { padding: 38px 20px; margin-top: 44px; }
    .pc-cta h3 { font-size: 22px; }
    .pc-cta-btns .btn { flex: 1 1 100%; justify-content: center; }
}

/* =========================================================
   滚动入场动画（状态：html.reveal-ready + .is-in）
   隐藏写在 CSS 里、由 <head> 内联脚本加类，避免 JS 在首帧后设 opacity
   造成的「闪一下再消失」；长区块（超一屏）不再整块淡入
   ========================================================= */
.reveal-ready [data-reveal] {
    opacity: 0; transform: translateY(28px);
    transition: opacity .8s ease, transform .8s ease;
}
.reveal-ready [data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal-ready [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* =========================================================
   产品分类栏吸顶：滚动后固定在 header 下方（固定态 68px）
   ========================================================= */
.subnav-bar { position: sticky; top: 68px; z-index: 500; }

/* =========================================================
   产品列表卡片图缩小一档（产品中心聚合页 + 分类页）
   contain + 内边距，白底产品图不再撑满卡片
   ========================================================= */
.cate-block .card .thumb,
.prod-grid .card .thumb { height: 220px; padding: 16px; }
.cate-block .card .thumb img,
.prod-grid .card .thumb img { object-fit: contain; }

@media (max-width: 768px) {
    .subnav-bar { top: 68px; }
    .cate-block .card .thumb,
    .prod-grid .card .thumb { height: 200px; padding: 12px; }
}

/* banner1 是实景照片，取景带了点近处路面，底部再压一档，和指标条衔接
   （只在桌面生效，手机端沿用 @media(max-width:768px) 里那套更重的遮罩） */
@media (min-width: 769px) {
    .hero-slide-1::after {
        background:/n            linear-gradient(to top, rgba(4, 31, 61, .74) 0%, rgba(4, 31, 61, .3) 20%, rgba(4, 31, 61, 0) 46%),
            linear-gradient(100deg, rgba(4, 31, 61, .9) 0%, rgba(4, 31, 61, .68) 36%, rgba(4, 31, 61, .28) 70%, rgba(4, 31, 61, .12) 100%);
    }
}

/* =========================================================
   首屏 banner1：系统联动示意（脉冲主机 → 控制键盘 → 管理软件）
   底图是横向镜像的实景围栏照片，示意图浮在右侧
   ========================================================= */
.pulse-topo {
    position: absolute; z-index: 2; top: 50%; transform: translateY(-50%);
    right: max(24px, calc((100% - 1240px) / 2));
    pointer-events: none;
}
.pt-card {
    --pt-scale: .85;   /* 容器固定 1240，标题 690px + 卡片 614px 会撞，整体缩到 .85 刚好留出间距 */
    padding: 18px 18px 20px; border-radius: 18px;
    background: linear-gradient(155deg, rgba(7, 32, 60, .8) 0%, rgba(6, 24, 46, .64) 100%);
    border: 1px solid rgba(122, 190, 255, .16);
    box-shadow: 0 26px 60px rgba(2, 16, 34, .45), inset 0 1px 0 rgba(255, 255, 255, .07);
    backdrop-filter: blur(12px) saturate(125%);
    -webkit-backdrop-filter: blur(12px) saturate(125%);
    transform-origin: right center;
    opacity: 0;
    transform: translateY(20px) scale(var(--pt-scale, 1));
    transition: opacity .9s ease .45s, transform .9s cubic-bezier(.22, .61, .36, 1) .45s;
}
.hero-slide.active .pt-card { opacity: 1; transform: translateY(0) scale(var(--pt-scale, 1)); }

.pt-head {
    display: flex; align-items: center; gap: 9px;
    font-size: 13px; letter-spacing: 1.2px; color: #d8ecff;
}
.pt-head em {
    font-style: normal; margin-left: auto; font-size: 10px; letter-spacing: 1.8px;
    color: rgba(150, 195, 235, .5);
}
.pt-live {
    width: 7px; height: 7px; border-radius: 50%; background: #35e0a1;
    box-shadow: 0 0 0 3px rgba(53, 224, 161, .16);
    animation: ptLive 2.2s ease-in-out infinite;
}
@keyframes ptLive { 50% { opacity: .3; } }

.pt-flow { display: flex; align-items: flex-start; margin-top: 17px; }
.pt-node { width: 118px; text-align: center; }
/* 软件图是整台显示器的横图（900×527），卡片给宽一点，显示器才不会缩成一条 */
.pt-node-soft { width: 240px; }
.pt-pic {
    height: 150px; padding: 9px; border-radius: 10px; background: #fff;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 22px rgba(2, 16, 34, .32);
}
.pt-pic img { display: block; max-width: 100%; max-height: 100%; object-fit: contain; }
/* 显示器素材是白底，白卡里天然融合，不需要额外底板 */
.pt-node strong { display: block; margin-top: 11px; font-size: 14px; color: #fff; letter-spacing: .4px; }
.pt-node span { display: block; margin-top: 4px; font-size: 11.5px; color: rgba(196, 220, 245, .58); }

/* 通信链路：双向（两端都有箭头，光点来回跑），不是单向箭头 */
.pt-link {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    width: 50px; height: 150px;
}
.pt-ray {
    position: relative; display: flex; align-items: center; justify-content: center;
    width: 38px; height: 12px;
}
.pt-ray b {
    position: relative; display: block; width: 100%; height: 2px; border-radius: 2px;
    background: linear-gradient(90deg,
        rgba(56, 189, 248, .95), rgba(56, 189, 248, .55) 50%, rgba(56, 189, 248, .95));
}
/* 左右两端箭头 */
.pt-ray::before,
.pt-ray::after {
    content: ''; position: absolute; top: 50%; width: 6px; height: 6px;
    border-top: 2px solid rgba(56, 189, 248, .95);
}
.pt-ray::before {
    left: -1px; border-left: 2px solid rgba(56, 189, 248, .95);
    transform: translateY(-50%) rotate(-45deg);
}
.pt-ray::after {
    right: -1px; border-right: 2px solid rgba(56, 189, 248, .95);
    transform: translateY(-50%) rotate(45deg);
}
/* 双向流动的光点 */
.pt-ray b::before,
.pt-ray b::after {
    content: ''; position: absolute; top: 50%; width: 5px; height: 5px; border-radius: 50%;
    background: #8fdcff; transform: translateY(-50%);
}
.pt-ray b::before { left: 0; animation: ptFlowR 2.8s linear infinite; }
.pt-ray b::after { right: 0; animation: ptFlowL 2.8s linear infinite; animation-delay: 1.4s; }
@keyframes ptFlowR {
    0% { left: 0; opacity: 0; }
    18% { opacity: 1; }
    82% { opacity: 1; }
    100% { left: 100%; opacity: 0; }
}
@keyframes ptFlowL {
    0% { right: 0; opacity: 0; }
    18% { opacity: 1; }
    82% { opacity: 1; }
    100% { right: 100%; opacity: 0; }
}
.pt-link em {
    margin-top: 10px; font-style: normal; font-size: 10.5px; letter-spacing: .8px;
    color: rgba(150, 205, 245, .75); white-space: nowrap;
}

/* 容器收窄时整体缩小，避免与标题文案重叠（1250 以下直接隐藏） */
@media (max-width: 1250px) { .pulse-topo { display: none; } }

/* 手机上把示意图压成底部一条，压在文案下方、切换箭头之上 */
@media (max-width: 768px) {
    .pulse-topo {
        /* 62px：卡片高度 170，再往下压一点才不会顶到「了解产品」按钮（按钮底 377，卡片顶 388） */
        display: block; top: auto; bottom: 62px; left: 20px; right: 20px; transform: none;
    }
    .pt-card {
        --pt-scale: 1; padding: 12px 14px 13px; border-radius: 14px; transform-origin: center;
    }
    .pt-head { font-size: 11.5px; letter-spacing: .8px; }
    .pt-head em { display: none; }
    .pt-flow { margin-top: 11px; justify-content: center; }
    .pt-node { width: auto; flex: 1 1 0; max-width: 110px; min-width: 0; }
    .pt-node-soft { max-width: 132px; }
    .pt-pic { height: 84px; padding: 6px; border-radius: 8px; }
    .pt-node strong { margin-top: 7px; font-size: 11px; letter-spacing: 0; white-space: nowrap; }
    .pt-node span { display: none; }
    .pt-link { width: 34px; flex: 0 0 34px; height: 84px; }
    .pt-ray { width: 20px; }
    /* 手机宽度下连接标签会压到卡片边缘，直接省掉，只留箭头 */
    .pt-link em { display: none; }
}
@media (min-width: 600px) and (max-width: 768px) {
    .pt-node { max-width: 150px; }
    .pt-node-soft { max-width: 176px; }
    .pt-pic, .pt-link { height: 100px; }
}
@media (max-width: 768px) {
    /* 手机竖屏按 cover 只能看到中间 1/4，往右挪一点，把围栏和警示牌带出来 */
    .hero-slide-1 { background-position: 74% center; }
}
@media (prefers-reduced-motion: reduce) {
    .pt-card { transition: none; opacity: 1; transform: none; }
    .pt-live, .pt-ray b::before, .pt-ray b::after { animation: none; }
}

/* =========================================================
   404 引导页
   ========================================================= */
.nf-hero {
    position: relative; overflow: hidden;
    /* 顶部要给 absolute 定位的页头（topbar 38 + navbar 76 = 114px）留出空间，
     * 否则大号 404 数字会顶到 logo 上 */
    padding: 178px 0 74px; text-align: center; color: #fff;
    background: linear-gradient(135deg, var(--c-deeper) 0%, var(--c-deep) 42%, #0a4b8c 100%);
}
/* 背景网格：给深蓝底一点结构感，避免整块死板 */
.nf-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 46px 46px;
    -webkit-mask-image: radial-gradient(ellipse 70% 62% at 50% 42%, #000 20%, transparent 78%);
    mask-image: radial-gradient(ellipse 70% 62% at 50% 42%, #000 20%, transparent 78%);
}
/* 底部两团光晕 */
.nf-hero::before, .nf-hero::after {
    content: ''; position: absolute; border-radius: 50%; pointer-events: none;
    filter: blur(2px);
}
.nf-hero::before {
    width: 460px; height: 460px; left: -120px; top: -190px;
    background: radial-gradient(circle, rgba(56, 189, 248, .30), transparent 68%);
}
.nf-hero::after {
    width: 520px; height: 520px; right: -150px; bottom: -280px;
    background: radial-gradient(circle, rgba(33, 165, 255, .26), transparent 68%);
}
.nf-inner { position: relative; z-index: 2; }

.nf-num {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    font-family: Arial, Helvetica, sans-serif; font-weight: 700; line-height: 1;
}
.nf-num .n4 {
    font-size: 118px;
    background: linear-gradient(180deg, #fff 18%, #8fc7f5 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    text-shadow: 0 10px 34px rgba(0, 0, 0, .22);
}
.nf-num .n0 {
    position: relative; display: flex; align-items: center; justify-content: center;
    width: 88px; height: 88px; margin: 0 4px; border-radius: 50%;
    background: linear-gradient(150deg, var(--c-accent), var(--c-primary));
    box-shadow: 0 14px 40px rgba(33, 165, 255, .42), inset 0 0 0 6px rgba(255, 255, 255, .16);
    animation: nfPulse 2.6s ease-in-out infinite;
}
.nf-num .n0 i { font-size: 34px; color: #fff; }
@keyframes nfPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 14px 40px rgba(33, 165, 255, .42), inset 0 0 0 6px rgba(255, 255, 255, .16); }
    50%      { transform: scale(1.055); box-shadow: 0 18px 52px rgba(33, 165, 255, .58), inset 0 0 0 6px rgba(255, 255, 255, .22); }
}

.nf-hero h1 { color: #fff; font-size: 28px; margin-top: 22px; letter-spacing: .5px; }
.nf-desc { color: rgba(214, 233, 250, .82); font-size: 15.5px; margin: 12px auto 0; max-width: 620px; line-height: 1.9; }

.nf-search {
    display: flex; align-items: center; gap: 0; max-width: 560px; margin: 30px auto 0;
    background: #fff; border-radius: 44px; padding: 6px 6px 6px 22px;
    box-shadow: 0 14px 40px rgba(3, 20, 40, .30);
}
.nf-search i { color: #9fb0c2; font-size: 15px; flex: 0 0 auto; }
.nf-search input {
    flex: 1 1 auto; min-width: 0; height: 44px; border: 0; background: transparent;
    font-size: 15px; color: var(--c-text); padding: 0 12px;
}
.nf-search input::placeholder { color: #a9b8c7; }
.nf-search button {
    flex: 0 0 auto; height: 44px; padding: 0 30px; border: 0; border-radius: 40px;
    background: var(--c-primary); color: #fff; font-size: 15px; cursor: pointer; transition: all .3s;
}
.nf-search button:hover { background: var(--c-primary-dark); }

.nf-actions { display: flex; justify-content: center; gap: 14px; margin-top: 26px; flex-wrap: wrap; }
.nf-actions .btn-outline { border-color: rgba(255, 255, 255, .55); color: #fff; }
.nf-actions .btn-outline:hover { background: #fff; color: var(--c-primary); border-color: #fff; }

/* ---------- 引导卡片 ---------- */
.nf-body { padding-top: 62px; }
.nf-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.nf-card {
    display: flex; flex-direction: column;
    background: #fff; border: 1px solid var(--c-border); border-radius: 12px;
    padding: 26px 26px 22px; transition: all .35s;
}
.nf-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #cfe0f0; }
.nf-card-head { display: flex; gap: 14px; align-items: flex-start; padding-bottom: 16px; border-bottom: 1px solid var(--c-border); }
.nf-ico {
    flex: 0 0 auto; width: 44px; height: 44px; border-radius: 10px;
    background: linear-gradient(150deg, var(--c-primary), var(--c-accent));
    display: flex; align-items: center; justify-content: center;
}
.nf-ico i { font-size: 19px; color: #fff; }
.nf-card-head h3 { font-size: 17px; line-height: 1.5; }
.nf-card-head em { font-style: normal; font-size: 12.5px; color: #9fb0c2; }

.nf-links { flex: 1 1 auto; padding: 8px 0 4px; }
.nf-links li a {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 0; font-size: 14.5px; color: var(--c-text); border-bottom: 1px dashed #eef3f8;
}
.nf-links li:last-child a { border-bottom: 0; }
.nf-links li a span {
    flex: 1 1 auto; min-width: 0;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.nf-links li a i { flex: 0 0 auto; font-size: 12px; color: #c3d0dd; transition: all .3s; }
.nf-links li a:hover { color: var(--c-primary); }
.nf-links li a:hover i { color: var(--c-primary); transform: translateX(3px); }
.nf-links-date em { flex: 0 0 auto; font-style: normal; font-size: 12.5px; color: #a8b7c6; font-family: Arial; }
.nf-links-date a:hover em { color: var(--c-primary); }

.nf-more {
    display: inline-flex; align-items: center; gap: 7px;
    margin-top: 14px; font-size: 13.5px; color: var(--c-primary);
}
.nf-more i { font-size: 11.5px; transition: transform .3s; }
.nf-more:hover i { transform: translateX(4px); }

/* ---------- 底部求助条 ---------- */
.nf-help {
    display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
    margin-top: 34px; padding: 30px 36px; border-radius: 12px;
    background: linear-gradient(120deg, var(--c-light), #e9f2fb);
    border: 1px solid #dbe8f5;
}
.nf-help-text h4 { font-size: 18px; margin-bottom: 4px; }
.nf-help-text p { font-size: 14px; color: var(--c-gray); }
.nf-help-contact { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.nf-tel {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 21px; font-weight: 700; color: var(--c-primary); font-family: Arial;
}
.nf-tel i { font-size: 18px; }

@media (max-width: 1100px) {
    .nf-cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .nf-hero { padding: 92px 0 52px; }
    .nf-num .n4 { font-size: 74px; }
    .nf-num .n0 { width: 58px; height: 58px; box-shadow: 0 8px 24px rgba(33, 165, 255, .40), inset 0 0 0 4px rgba(255, 255, 255, .16); }
    .nf-num .n0 i { font-size: 22px; }
    .nf-hero h1 { font-size: 21px; margin-top: 16px; }
    .nf-desc { font-size: 14px; }
    .nf-search { margin-top: 24px; padding-left: 16px; }
    .nf-search button { padding: 0 20px; }
    .nf-actions { gap: 10px; }
    .nf-actions .btn { padding: 11px 22px; font-size: 14px; }
    .nf-cards { grid-template-columns: 1fr; gap: 18px; }
    .nf-body { padding-top: 40px; }
    .nf-card { padding: 22px 20px 18px; }
    .nf-help { padding: 24px 20px; gap: 18px; }
    .nf-help-contact { gap: 14px; }
    .nf-tel { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) {
    .nf-num .n0 { animation: none; }
}