/* CHRYPOO 全站公共样式 — 由 39 个页面内联样式抽取合并（2026-10-19）
   来源基准：index.html；仅在全部页面逐字一致且相对顺序一致时收录。
   页面差异保留在各页 <head> 的内联 <style> 中（后置覆盖）。 */

:root {
            --brand: #0B5ED7;
            --brand-d: #0E5FD8;
            --brand-dd: #0B3E8C;
            --red: #E60012;
            --ink: #10233F;
            --grey: #5C6B7C;
            --line: #E2E9F2;
            --bg: #F5F8FD;
            --white: #fff;
            --navy: #081B36;
            /* 环境与可持续版块专用色（仅 #green 区块使用，不影响全站主色） */
            --eco: #12A150;
            --eco-d: #0E7A3E;
            --eco-lt: #EAF7EF;
            --eco-bd: #BEE6CD;
        }

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

html {
            /* 预留滚动条槽位：产品面板由 JS 撑高会让页面从无滚动条变有滚动条，内容区瞬间窄 15px 造成位移 */
            scrollbar-gutter: stable;
            scroll-behavior: smooth
        }

body {
            font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
            color: var(--ink);
            background: var(--white);
            line-height: 1.68;
            -webkit-font-smoothing: antialiased
        }

img {
            max-width: 100%;
            display: block
        }

a {
            text-decoration: none;
            color: inherit
        }

ul,
        ol {
            list-style: none
        }

table {
            border-collapse: collapse;
            width: 100%
        }

.wrap {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px
        }

.sec {
            padding: 64px 0
        }

.sec.bg {
            background: var(--bg)
        }

.sec-head {
            max-width: none;
            margin-bottom: 34px
        }

.sec-head.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto
        }

.sec-head .en {
            font-size: 12.5px;
            letter-spacing: 3px;
            color: var(--brand);
            font-weight: 700;
            text-transform: uppercase
        }

.sec-head p {
            color: var(--grey);
            font-size: 15.5px
        }

.sec-head p+p {
            margin-top: 12px
        }

/* 产品区导语：宽屏单行显示，窄屏自动恢复换行 */


        
        .sec-head p.oneline {
            font-size: 15px
        }

@media(min-width:900px) {
            .sec-head p.oneline {
                white-space: nowrap
            }
        }

.btn {
            display: inline-block;
            padding: 13px 32px;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 700;
            transition: .25s;
            cursor: pointer;
            border: 2px solid transparent;
            font-family: inherit
        }

.btn-p {
            background: var(--brand);
            color: #fff
        }

.btn-p:hover {
            background: var(--brand-d);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(22, 119, 255, .28)
        }

.btn-o {
            border-color: #fff;
            color: #fff
        }

.btn-o:hover {
            background: rgba(255, 255, 255, .16)
        }

.btn-o2 {
            border-color: var(--brand);
            color: var(--brand)
        }

.btn-o2:hover {
            background: var(--brand);
            color: #fff
        }

/* ===== 顶栏 / 导航 ===== */


        
        .topbar {
            background: var(--navy);
            color: #93AECD;
            font-size: 12.5px
        }

.topbar .wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 48px;
            gap: 16px
        }

.topbar .wrap>div:first-child {
            flex: 1 1 auto;
            min-width: 0;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis
        }

.topbar .lang {
            position: relative;
            flex: 0 0 auto
        }

.topbar .lang .lang-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 32px;
            padding: 0 12px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 6px;
            color: #fff;
            font-size: 12.5px;
            font-family: inherit;
            cursor: pointer;
            transition: background .2s, border-color .2s
        }

.topbar .lang .lang-btn:hover {
            background: rgba(255, 255, 255, .14);
            border-color: rgba(255, 255, 255, .3)
        }

.topbar .lang .lang-btn .flag {
            display: block;
            width: 21px;
            height: 14px;
            border-radius: 2px;
            outline: 1px solid rgba(255, 255, 255, .28);
            outline-offset: -1px
        }

.topbar .lang .lang-btn .caret {
            display: block;
            width: 10px;
            height: 6px;
            opacity: .75;
            transition: transform .2s
        }

.topbar .lang.open .lang-btn .caret {
            transform: rotate(180deg)
        }

.topbar .lang .lang-menu {
            position: absolute;
            top: calc(100% + 6px);
            right: 0;
            min-width: 150px;
            padding: 5px;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 12px 28px rgba(4, 20, 46, .22);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-6px);
            transition: opacity .18s, transform .18s, visibility .18s;
            z-index: 120
        }

.topbar .lang.open .lang-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0)
        }

.topbar .lang .lang-menu a {
            display: flex;
            align-items: center;
            gap: 9px;
            padding: 8px 10px;
            border-radius: 5px;
            color: var(--ink);
            font-size: 12.5px;
            white-space: nowrap;
            transition: background .15s, color .15s
        }

.topbar .lang .lang-menu a:hover {
            background: #F1F5FB;
            color: var(--brand)
        }

.topbar .lang .lang-menu a .flag {
            display: block;
            width: 21px;
            height: 14px;
            border-radius: 2px;
            outline: 1px solid rgba(4, 20, 46, .14);
            outline-offset: -1px
        }

.topbar .lang .lang-menu a.on {
            color: var(--brand);
            font-weight: 700;
            background: #EAF2FF
        }

.topbar .lang .lang-menu a.on::after {
            content: "";
            margin-left: auto;
            width: 5px;
            height: 9px;
            border-right: 1.8px solid currentColor;
            border-bottom: 1.8px solid currentColor;
            transform: rotate(45deg) translateY(-2px)
        }

header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: #fff;
            border-bottom: 1px solid var(--line)
        }

.navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 76px
        }

.logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0
        }

.logo img {
            height: 46px;
            width: auto
        }

.logo .cname {
            font-size: 14px;
            font-weight: 700;
            line-height: 1.35
        }

.logo .cname small {
            display: block;
            font-size: 9.5px;
            font-weight: 400;
            color: var(--grey);
            letter-spacing: .4px
        }

nav ul.main {
            display: flex;
            align-items: center
        }

nav .navitem {
            position: relative
        }

nav .navitem>a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 27px 10px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: .2px;
            white-space: nowrap;
            transition: color .2s
        }

nav .navitem>a .nicon {
            width: 16px;
            height: 16px;
            flex: 0 0 auto;
            opacity: .72;
            transition: opacity .2s
        }

nav .navitem:hover>a .nicon,
        nav .navitem>a.act .nicon {
            opacity: 1
        }

nav .navitem:hover>a,
        nav .navitem>a.act {
            color: var(--brand)
        }

nav .navitem>a.act {
            box-shadow: inset 0 -3px 0 var(--brand)
        }

.drop {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 216px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 0 0 12px 12px;
            box-shadow: 0 22px 44px rgba(16, 35, 63, .14);
            padding: 8px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: .22s
        }

nav .navitem:hover .drop {
            opacity: 1;
            visibility: visible;
            transform: none
        }

.drop a {
            display: block;
            padding: 9px 14px;
            font-size: 14px;
            border-radius: 7px;
            color: var(--grey);
            transition: .18s
        }

.drop a:hover {
            background: var(--bg);
            color: var(--brand);
            padding-left: 18px
        }

.drop a small {
            display: block;
            font-size: 11.5px;
            color: #97A5B8
        }

.drop a.hl {
            background: rgba(22, 119, 255, .08);
            color: var(--brand);
            font-weight: 600
        }

.drop a.hl small {
            color: var(--brand);
            opacity: .72
        }

.nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0
        }

.tel-btn {
            display: flex;
            align-items: center;
            gap: 7px;
            font-size: 14px;
            font-weight: 700;
            color: var(--brand);
            border: 1.5px solid var(--line);
            border-radius: 8px;
            padding: 9px 14px;
            transition: .22s
        }

.tel-btn:hover {
            border-color: var(--brand);
            background: var(--bg)
        }

.menu-toggle {
            display: none;
            font-size: 22px;
            background: none;
            border: none;
            color: var(--brand);
            cursor: pointer
        }

.hero .wrap {
            padding: 96px 24px 86px
        }

.hero .crumb {
            font-size: 12.5px;
            letter-spacing: 2px;
            color: #6CB9FF;
            font-weight: 700;
            margin-bottom: 20px
        }

.hero h1 em {
            font-style: normal;
            color: #6CB9FF
        }

.hero .cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap
        }

.hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            margin-top: 56px;
            /* 深色玻璃底：背景照片变亮后仍保证浅蓝数字与白字可读 */
            background: rgba(4, 24, 72, .42);
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 12px;
            overflow: hidden
        }

.hero-stats div {
            padding: 22px 18px;
            border-right: 1px solid rgba(255, 255, 255, .14)
        }

.hero-stats div:last-child {
            border-right: none
        }

.hero-stats b {
            font-size: 28px;
            color: #6CB9FF;
            display: block;
            font-weight: 900;
            line-height: 1.2
        }

.hero-stats span {
            font-size: 13px;
            color: #CDE2F7;
            line-height: 1.5;
            display: block;
            margin-top: 4px
        }

/* ===== 优势条 ===== */


        
        .feat {
            background: var(--brand-dd);
            color: #fff;
            padding: 36px 0
        }

.feat .wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px
        }

.feat i {
            font-style: normal;
            font-size: 24px;
            display: block;
            margin-bottom: 8px
        }

.feat b {
            font-size: 16px;
            display: block;
            margin-bottom: 5px
        }

.feat p {
            font-size: 13px;
            color: #B7CDE8
        }

/* ===== 产品 ===== */


        
        .tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 34px;
            border-bottom: 1px solid var(--line);
            padding-bottom: 0
        }

.tabs button {
            background: none;
            border: none;
            border-bottom: 3px solid transparent;
            padding: 12px 20px;
            font-size: 15.5px;
            font-weight: 700;
            color: var(--grey);
            cursor: pointer;
            transition: .2s;
            font-family: inherit
        }

.tabs button:hover {
            color: var(--brand)
        }

.tabs button.on {
            color: var(--brand);
            border-bottom-color: var(--brand)
        }

.tabpane {
            display: none
        }

.tabpane.on {
            display: block
        }

.pgrid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px
        }

.pcard {
            border: 1px solid var(--line);
            border-radius: 10px;
            overflow: hidden;
            background: #fff;
            transition: .25s;
            cursor: pointer
        }

.pcard:hover {
            border-color: var(--brand);
            box-shadow: 0 12px 26px rgba(22, 119, 255, .16);
            transform: translateY(-4px)
        }

.pcard .ph {
            aspect-ratio: 4/3;
            overflow: hidden;
            background: #EFF3F8
        }

.pcard .ph img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: .4s
        }

.pcard:hover .ph img {
            transform: scale(1.07)
        }

.pcard .pb {
            padding: 14px 16px 16px
        }

.pcard .pb h3 {
            font-size: 14.5px;
            line-height: 1.45;
            margin-bottom: 9px
        }

.pcard .pb .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 7px
        }

.pcard .pb .tags span {
            font-size: 11.5px;
            color: var(--brand);
            background: #EAF2FD;
            padding: 3px 9px;
            border-radius: 10px
        }

.pcard.pempty {
            border-style: dashed;
            border-color: #C9D8EC;
            background: #FAFCFF;
            display: block
        }

.pcard.pempty:hover {
            border-color: var(--brand);
            box-shadow: none;
            transform: none
        }

.pcard.pempty .phe {
            aspect-ratio: 4/3;
            background: #F3F7FC;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            font-weight: 300;
            color: #AFC2D9
        }

.pcard.pempty .pbe {
            padding: 14px 16px 16px;
            text-align: center;
            font-size: 13px;
            line-height: 1.6;
            color: var(--grey)
        }

.pcard.pempty .pbe b {
            display: block;
            color: var(--brand);
            font-weight: 600
        }

.cat-note {
            margin-top: 30px;
            padding: 20px 24px;
            background: var(--bg);
            border-left: 4px solid var(--brand);
            border-radius: 0 10px 10px 0;
            font-size: 14px;
            color: var(--grey)
        }

.cat-note b {
            color: var(--ink)
        }

/* ===== 技术能力 ===== */


        
        .tgrid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px
        }

/* 四大难题区块：二列，让每张文字卡与其对应现象视频左右成对 */


        
        .tgrid-pair {
            grid-template-columns: repeat(2, 1fr)
        }

.tcard {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 28px 24px;
            transition: .25s
        }

.tcard:hover {
            border-color: var(--brand);
            box-shadow: 0 14px 30px rgba(22, 119, 255, .13);
            transform: translateY(-4px)
        }

.tcard .ti {
            font-size: 24px;
            margin-bottom: 10px
        }

.tcard h3 {
            font-size: 17.5px;
            margin-bottom: 14px
        }

.tcard li {
            position: relative;
            padding-left: 16px;
            font-size: 13.5px;
            color: var(--grey);
            line-height: 1.7;
            margin-bottom: 9px
        }

.tcard li:last-child {
            margin-bottom: 0
        }

.tcard li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--brand)
        }

.tcard li b {
            color: var(--ink)
        }

/* 难题区块内嵌视频卡 */


        
        .tvideo {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 18px 18px 16px;
            display: flex;
            flex-direction: column;
            gap: 12px
        }

.tvideo video {
            width: 100%;
            display: block;
            border-radius: 8px;
            background: #000;
            /* 左右两张视频卡统一 16:9，保证两卡视觉尺寸一致 */
            aspect-ratio: 16/9;
            object-fit: contain
        }

.tvideo figcaption {
            font-size: 13px;
            color: var(--grey);
            line-height: 1.6
        }

.tvideo figcaption b {
            color: var(--ink)
        }

/* 表格 */


        
        .tbl-wrap {
            overflow-x: auto;
            border: 1px solid var(--line);
            border-radius: 12px;
            background: #fff;
            margin-top: 40px
        }

table caption {
            text-align: left;
            padding: 20px 22px 0;
            font-size: 16px;
            font-weight: 800
        }

table caption small {
            display: block;
            font-size: 12.5px;
            font-weight: 400;
            color: var(--grey);
            margin-top: 4px
        }

th,
        td {
            padding: 12px 16px;
            font-size: 13.5px;
            text-align: left;
            border-bottom: 1px solid var(--line);
            white-space: nowrap
        }

thead th {
            background: var(--bg);
            font-size: 13px;
            color: var(--ink);
            font-weight: 700
        }

tbody tr:last-child td {
            border-bottom: none
        }

tbody tr:hover {
            background: #FAFCFF
        }

td.hl {
            font-weight: 700;
            color: var(--brand)
        }

/* ===== 测试 ===== */


        
        .tgrid6 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px
        }

.tcard6 {
            border: 1px solid var(--line);
            border-radius: 12px;
            overflow: hidden;
            background: #fff;
            transition: .25s
        }

.tcard6:hover {
            border-color: var(--brand);
            box-shadow: 0 14px 30px rgba(22, 119, 255, .13)
        }

.tcard6 .th {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: #050812
        }

.tcard6 .th img {
            width: 100%;
            height: 100%;
            object-fit: contain
        }

.tcard6 .tb {
            padding: 20px 22px 24px
        }

.tcard6 .tb small {
            font-size: 11.5px;
            letter-spacing: 2px;
            color: var(--brand);
            font-weight: 700
        }

.tcard6 .tb h3 {
            font-size: 16px;
            margin: 6px 0 8px
        }

.tcard6 .tb p {
            font-size: 13.5px;
            color: var(--grey)
        }

.others {
            margin-top: 34px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 28px 30px
        }

.others h3 {
            font-size: 17px;
            margin-bottom: 16px
        }

.others ul {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px 26px
        }

.others li {
            position: relative;
            padding-left: 16px;
            font-size: 13.5px;
            color: var(--grey)
        }

.others li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--brand)
        }

/* ===== 中瑞柏创新处理技术 ===== */


        
        .subh {
            font-size: 17px;
            margin: 46px 0 18px;
            display: flex;
            align-items: center;
            gap: 10px
        }

.subh::before {
            content: "";
            width: 4px;
            height: 18px;
            border-radius: 2px;
            background: var(--brand)
        }

.kgrid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin: 40px 0 44px
        }

.kcard {
            background: #fff;
            border: 1px solid var(--line);
            border-top: 3px solid var(--brand);
            border-radius: 12px;
            padding: 26px 24px
        }

.kcard b {
            font-size: 30px;
            font-weight: 900;
            color: var(--brand);
            display: block;
            line-height: 1.2
        }

.kcard h3 {
            font-size: 16px;
            margin: 8px 0 10px
        }

.kcard p {
            font-size: 13px;
            color: var(--grey)
        }

.flist {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px 22px;
            margin-top: 26px
        }

.fitem {
            display: flex;
            gap: 14px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 18px 18px
        }

.fitem .n {
            flex: none;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--brand);
            color: #fff;
            font-weight: 800;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 2px
        }

.fitem p b {
            color: var(--ink);
            font-size: 14px
        }

.wgrid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px
        }

.wcard {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            overflow: hidden
        }

.wcard img {
            width: 100%;
            height: auto;
            aspect-ratio: 4 / 3;
            object-fit: contain;
            background: #F2F4F8;
            display: block;
            cursor: zoom-in
        }

.wcard p {
            font-size: 12.5px;
            color: var(--grey);
            padding: 12px 14px;
            line-height: 1.6
        }

.tsummary {
            max-width: 960px;
            margin: 34px auto 0;
            background: rgba(22, 119, 255, .06);
            border: 1px solid rgba(22, 119, 255, .18);
            border-left: 4px solid var(--brand);
            border-radius: 12px;
            padding: 22px 28px
        }

.tsummary .tbadge {
            display: inline-block;
            background: var(--brand);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .5px;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px
        }

.tsummary p b {
            color: var(--brand)
        }

@media(max-width:680px) {
            .tsummary {
                padding: 18px 16px
            }

            .tsummary p {
                text-align: left
            }
        }

@media(max-width:1040px) {
            .kgrid {
                grid-template-columns: repeat(3, 1fr)
            }

            .wgrid {
                grid-template-columns: repeat(2, 1fr)
            }
        }

@media(max-width:680px) {
            .kgrid {
                grid-template-columns: 1fr
            }

            .flist {
                grid-template-columns: 1fr
            }

            .wgrid {
                grid-template-columns: 1fr
            }
        }

/* ===== 应用 ===== */


        
        .agrid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px
        }

.acard {
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 26px 22px;
            background: #fff;
            transition: .25s
        }

.acard:hover {
            border-color: var(--brand);
            box-shadow: 0 14px 30px rgba(22, 119, 255, .12);
            transform: translateY(-4px)
        }

.acard i {
            font-style: normal;
            font-size: 28px;
            display: block;
            margin-bottom: 12px
        }

.acard b {
            font-size: 16px;
            display: block;
            margin-bottom: 8px
        }

.acard p {
            font-size: 13.5px;
            color: var(--grey);
            line-height: 1.7
        }

/* ===== 定制参数 ===== */


        
        .params {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px
        }

.pcard2 {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 24px 22px
        }

.pcard2 .n {
            font-size: 12.5px;
            font-weight: 900;
            color: var(--red);
            letter-spacing: 1px
        }

.pcard2 h3 {
            font-size: 15.5px;
            margin: 7px 0 9px
        }

.pcard2 p {
            font-size: 13px;
            color: var(--grey);
            line-height: 1.7
        }

.cgrid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px
        }

.ccard2 {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            overflow: hidden;
            transition: transform .18s, box-shadow .18s
        }

.ccard2:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 30px rgba(22, 119, 255, .14)
        }

.ccard2 img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            display: block
        }

.ccard2 .cb {
            padding: 16px 18px 18px
        }

.ccard2 .cb b {
            display: block;
            font-size: 15.5px;
            margin-bottom: 6px;
            color: var(--ink)
        }

.ccard2 .cb p {
            font-size: 13px;
            color: var(--grey);
            line-height: 1.7
        }

.steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
            margin-top: 34px;
            counter-reset: step
        }

.step {
            background: linear-gradient(135deg, rgba(22, 119, 255, .08), rgba(22, 119, 255, .02));
            border: 1px solid rgba(22, 119, 255, .18);
            border-radius: 12px;
            padding: 16px 16px 14px;
            position: relative
        }

.step::before {
            counter-increment: step;
            content: "0" counter(step);
            font-size: 22px;
            font-weight: 800;
            color: var(--brand);
            opacity: .85;
            display: block;
            margin-bottom: 6px
        }

.step b {
            display: block;
            font-size: 14.5px;
            margin-bottom: 4px;
            color: var(--ink)
        }

.step span {
            font-size: 12.5px;
            color: var(--grey);
            line-height: 1.6;
            display: block
        }

/* ===== 发展历程 ===== */


        
        .hist {
            margin-top: 42px;
            padding: 28px 32px 26px;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: 16px
        }

.hist-head {
            display: flex;
            align-items: center;
            gap: 12px
        }

.hist-head .en {
            font-size: 11.5px;
            font-weight: 700;
            letter-spacing: .18em;
            text-transform: uppercase;
            color: var(--brand)
        }

.hist-head h3 {
            font-size: 19px;
            color: var(--ink)
        }

.hrow {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            margin-top: 14px
        }

.hitem {
            position: relative;
            padding-right: 22px
        }

/* 节点：默认空心圆环，末项（至今）实心发光 —— 体现"走到今天"的时间感 */


        
        .hitem::before {
            content: "";
            position: absolute;
            top: 18px;
            left: 0;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--white);
            border: 2.5px solid var(--brand);
            box-shadow: 0 0 0 4px rgba(22, 119, 255, .12);
            box-sizing: border-box;
            transition: box-shadow .2s
        }

.hitem:last-child::before {
            background: var(--brand);
            box-shadow: 0 0 0 4px rgba(22, 119, 255, .18), 0 0 14px rgba(22, 119, 255, .45)
        }

.hitem:hover::before {
            box-shadow: 0 0 0 6px rgba(22, 119, 255, .16)
        }

.hitem:last-child:hover::before {
            box-shadow: 0 0 0 6px rgba(22, 119, 255, .18), 0 0 14px rgba(22, 119, 255, .45)
        }

.hitem::after {
            content: "";
            position: absolute;
            top: 23px;
            left: 14px;
            right: 0;
            height: 2px;
            /* 方向感渐变：由浅入深指向下一节点 */
            background: linear-gradient(90deg, rgba(22, 119, 255, .16), rgba(22, 119, 255, .42))
        }

.hitem:last-child::after {
            display: none
        }

.hitem b {
            display: block;
            padding-top: 44px;
            font-size: 19px;
            font-weight: 800;
            color: var(--brand);
            line-height: 1.2
        }

.hitem h4 {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--ink);
            margin: 4px 0 4px
        }

.hitem p {
            font-size: 12.5px;
            color: var(--grey);
            line-height: 1.62
        }

/* ===== 发展历程 v2：年代分组 · 双栏竖向轨道（2026-10-03，仅中文版结构） =====
           旧 .hrow 横向样式保留：三语页面仍是旧结构，共用 head 必须兼容两套，
           待三语同步后再清理 */


        
        .hgrid {
            display: grid;
            grid-template-columns: 1.12fr 1fr;
            gap: 40px;
            margin-top: 18px
        }

.htag {
            display: flex;
            align-items: baseline;
            gap: 10px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--line);
            margin-bottom: 16px
        }

.htag b {
            font-size: 15.5px;
            font-weight: 800;
            color: var(--ink)
        }

.htag small {
            font-size: 12px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: .05em
        }

.hstack .hitem {
            padding: 0 0 20px 26px
        }

.hstack .hitem::before {
            top: 4px;
            width: 11px;
            height: 11px
        }

.hstack .hitem::after {
            top: 16px;
            left: 5px;
            right: auto;
            width: 2px;
            height: auto;
            bottom: 2px;
            background: linear-gradient(180deg, rgba(22, 119, 255, .38), rgba(22, 119, 255, .14))
        }

.hstack .hitem:last-child::after {
            display: none
        }

.hstack .hitem:last-child {
            padding-bottom: 4px
        }

/* 复位：非末栏的栏内最后一项保持空心环（旧 .hitem:last-child 规则不再命中实心） */


        
        .hstack .hitem:last-child::before {
            background: var(--white)
        }

.hstack .hitem:hover::before {
            box-shadow: 0 0 0 6px rgba(22, 119, 255, .16)
        }

.hera:last-child .hstack .hitem:last-child::before {
            background: var(--brand);
            box-shadow: 0 0 0 4px rgba(22, 119, 255, .18), 0 0 14px rgba(22, 119, 255, .45)
        }

.hera:last-child .hstack .hitem:last-child:hover::before {
            box-shadow: 0 0 0 6px rgba(22, 119, 255, .18), 0 0 14px rgba(22, 119, 255, .45)
        }

.hstack .hitem b {
            padding-top: 0;
            font-size: 16px
        }

@media(max-width:900px) {
            .hgrid {
                grid-template-columns: 1fr;
                gap: 24px
            }
        }

@media(max-width:1240px) {
            .hrow {
                grid-template-columns: repeat(4, 1fr);
                row-gap: 26px
            }

            .hitem:nth-child(4)::after {
                display: none
            }
        }

@media(max-width:680px) {
            .hist {
                padding: 22px 22px 24px
            }

            .hrow {
                grid-template-columns: 1fr
            }

            .hitem {
                padding: 0 0 20px 28px
            }

            .hitem::before {
                top: 6px
            }

            .hitem::after {
                top: 18px;
                left: 5px;
                right: auto;
                width: 2px;
                height: calc(100% - 12px);
                display: block;
                background: linear-gradient(180deg, rgba(22, 119, 255, .16), rgba(22, 119, 255, .42))
            }

            .hitem:nth-child(4)::after {
                display: block
            }

            .hitem:last-child::after {
                display: none
            }

            .hitem b {
                padding-top: 0
            }
        }

/* ===== 关于 ===== */


        
        .about {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 52px;
            align-items: start
        }

/* 公司介绍区段落首行缩进两字符（2026-10-03 用户要求，仅此区） */


        
        .about .sec-head p,
        .about > div > p {
            text-indent: 2em
        }

.about-lead {
            margin-bottom: 16px
        }

.about-lead .en {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1.6px;
            text-transform: uppercase;
            color: var(--brand);
            margin-bottom: 6px
        }

.about-lead h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.35
        }

.about-lead h3 span {
            color: var(--brand)
        }

.about h2 {
            font-size: 30px;
            margin: 8px 0 18px;
            font-weight: 800
        }

.about h2 span {
            color: var(--brand)
        }

.about p {
            font-size: 14.5px;
            color: var(--grey);
            margin-bottom: 14px
        }

.badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 22px 0 26px
        }

.badges span {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand);
            background: #EAF2FD;
            border-radius: 20px;
            padding: 7px 15px
        }

.vsnd {
            position: absolute;
            right: 12px;
            bottom: 12px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: none;
            background: rgba(8, 27, 54, .55);
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(4px);
            transition: background .2s, transform .2s
        }

.vsnd:hover {
            background: rgba(8, 27, 54, .8);
            transform: scale(1.06)
        }

.vsnd svg {
            width: 18px;
            height: 18px
        }

.vsnd .i-on {
            display: none
        }

.vsnd.on .i-on {
            display: block
        }

.vsnd.on .i-off {
            display: none
        }

.about-img img,
        .about-img video {
            width: 100%;
            display: block
        }

/* ===== 专栏 ===== */


        
        .ngrid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px
        }

.ncard {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 26px 24px;
            transition: .25s
        }

.ncard:hover {
            border-color: var(--brand);
            box-shadow: 0 14px 30px rgba(22, 119, 255, .12);
            transform: translateY(-4px)
        }

.ncard time {
            font-size: 12.5px;
            color: #97A5B8
        }

.ncard h3 {
            font-size: 16.5px;
            line-height: 1.5;
            margin: 10px 0 10px
        }

.ncard p {
            font-size: 13.5px;
            color: var(--grey)
        }

.ncard .more {
            display: inline-block;
            margin-top: 14px;
            font-size: 13.5px;
            font-weight: 700;
            color: var(--brand)
        }

/* 无正文的占位卡片：不再给「阅读更多」的假链接（2026-10-19 第三次审计 C4） */
.ncard .more.soon {
            color: #94a3b8;
            font-weight: 500;
            cursor: default;
            user-select: none
        }

.contact .wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px
        }

.contact .lede {
            font-size: 14.5px;
            color: #CDE2F7;
            margin-bottom: 28px
        }

.cinfo>div {
            display: flex;
            gap: 14px;
            padding: 15px 0;
            border-top: 1px solid rgba(255, 255, 255, .14)
        }

.cinfo i {
            font-style: normal;
            font-size: 19px
        }

.cinfo b {
            display: block;
            font-size: 13px;
            color: #93AECD;
            font-weight: 600
        }

.cinfo span {
            font-size: 15px
        }

.cform {
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 14px;
            padding: 30px 28px
        }

.cform h3 {
            font-size: 19px;
            margin-bottom: 18px
        }

.cform label {
            display: block;
            font-size: 13px;
            color: #CDE2F7;
            margin-bottom: 6px
        }

.cform input,
        .cform textarea,
        .cform select {
            width: 100%;
            padding: 11px 14px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, .22);
            background: rgba(255, 255, 255, .94);
            font-size: 14px;
            font-family: inherit;
            color: var(--ink);
            margin-bottom: 16px
        }

.cform .two {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px
        }

.cform .btn-p {
            width: 100%;
            border: none
        }

footer h4 {
            color: #fff;
            font-size: 13.5px;
            margin-bottom: 7px
        }

footer li {
            margin-bottom: 3px
        }

.fcols {
            display: grid;
            grid-auto-flow: column;
            grid-template-rows: repeat(4, auto);
            grid-template-columns: auto auto;
            justify-content: start;
            column-gap: 28px
        }

footer a:hover {
            color: #fff
        }

.fbottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 9px 0;
            font-size: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px
        }

/* 手机端底部留出回顶按钮悬浮空间，避免其盖住版权行（实测视口 <=720px 会遮挡） */


        
        @media (max-width: 720px) {
            footer {
                padding-bottom: 68px
            }
        }

/* ===== 弹窗 ===== */


        
        .modal {
            position: fixed;
            inset: 0;
            background: rgba(3, 15, 38, .68);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 100;
            padding: 24px
        }

.modal.open {
            display: flex
        }

.mbox {
            background: #fff;
            border-radius: 14px;
            max-width: 860px;
            width: 100%;
            display: grid;
            grid-template-columns: 1fr 1fr;
            overflow: hidden;
            position: relative;
            max-height: 88vh
        }

.mbox img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            min-height: 320px;
            background: #F2F4F8;
            cursor: zoom-in
        }

/* 全屏看图层：点击弹窗大图进入，完整展示线材结构 */


        
        .imgzoom {
            position: fixed;
            inset: 0;
            background: rgba(3, 15, 38, .96);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 400;
            cursor: zoom-out
        }

.imgzoom.open {
            display: flex
        }

.imgzoom img {
            width: 100%;
            height: 100%;
            object-fit: contain
        }

.imgzoom .zhint {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 16px;
            text-align: center;
            color: rgba(255, 255, 255, .75);
            font-size: 13px;
            letter-spacing: .05em;
            pointer-events: none
        }

.mtxt {
            padding: 34px 32px
        }

.mtxt h3 {
            font-size: 21px;
            margin-bottom: 10px
        }

.mtag {
            display: inline-block;
            font-size: 12.5px;
            color: var(--brand);
            background: #EAF2FD;
            border-radius: 10px;
            padding: 3px 11px;
            margin-bottom: 14px
        }

.mtxt p {
            font-size: 14px;
            color: var(--grey);
            margin-bottom: 16px
        }

.mtxt ul li {
            position: relative;
            padding-left: 20px;
            font-size: 13.5px;
            color: var(--grey);
            margin-bottom: 8px
        }

.mtxt ul li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--brand);
            font-weight: 900
        }

.mtxt .btn {
            margin-top: 20px
        }

.mclose {
            position: absolute;
            top: 12px;
            right: 14px;
            font-size: 26px;
            line-height: 1;
            background: none;
            border: none;
            color: var(--grey);
            cursor: pointer;
            z-index: 2
        }

/* ===== 回到顶部 ===== */


        
        .top-btn {
            position: fixed;
            right: 26px;
            bottom: 26px;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            border: none;
            background: var(--brand);
            color: #fff;
            font-size: 19px;
            cursor: pointer;
            box-shadow: 0 10px 24px rgba(22, 119, 255, .36);
            opacity: 0;
            visibility: hidden;
            transition: .25s;
            z-index: 70
        }

.top-btn.show {
            opacity: 1;
            visibility: visible
        }

/* 入场动画 */


        
        .reveal {
            opacity: 0;
            transform: translateY(26px);
            transition: .7s cubic-bezier(.16, .8, .3, 1)
        }

.reveal.in {
            opacity: 1;
            transform: none
        }

@media(max-width:1040px) {
            .tgrid,
            .tgrid6,
            .ngrid {
                grid-template-columns: repeat(2, 1fr)
            }

            .agrid {
                grid-template-columns: repeat(3, 1fr)
            }

            .pgrid {
                grid-template-columns: repeat(3, 1fr)
            }

            .cgrid {
                grid-template-columns: repeat(2, 1fr)
            }

            .steps {
                grid-template-columns: repeat(3, 1fr)
            }

            .others ul {
                grid-template-columns: repeat(2, 1fr)
            }
        }

/* ≤600：手机上公司名两行太占宽，只留 logo 字标图 + 联系入口 + 汉堡 */


        
        @media(max-width:600px) {
            .logo .cname {
                display: none
            }

            .logo img {
                height: 30px
            }

            .tel-btn {
                padding: 8px 10px;
                font-size: 12.5px
            }
        }

/* ===== 区块转化条 ===== */


        
        .sec-cta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px 28px;
            flex-wrap: wrap;
            margin-top: 38px;
            padding: 20px 26px;
            border: 1px solid var(--line);
            border-radius: 12px;
            background: #fff;
            box-shadow: 0 8px 22px rgba(16, 35, 63, .05)
        }

.sec-cta p {
            margin: 0;
            font-size: 14.5px;
            color: var(--grey);
            line-height: 1.65
        }

.sec-cta p b {
            color: var(--ink)
        }

.sec-cta .btn {
            padding: 11px 26px;
            font-size: 14px;
            flex: 0 0 auto
        }

/* 四大难题：文字卡与视频等高时内容垂直居中，避免下方大片留白 */


        
        .tgrid-pair .tcard {
            display: flex;
            flex-direction: column;
            justify-content: center
        }

/* 窄屏：产品分类标签改为横向滑动，避免换行堆成三行 */


        
        @media(max-width:900px) {
            .tabs {
                flex-wrap: nowrap;
                overflow-x: auto;
                scrollbar-width: none;
                -ms-overflow-style: none;
                -webkit-overflow-scrolling: touch
            }

            .tabs::-webkit-scrollbar {
                display: none
            }

            .tabs button {
                flex: 0 0 auto;
                white-space: nowrap
            }
        }

@media(max-width:680px) {
            .sec-cta {
                padding: 18px 16px
            }

            .sec-cta .btn {
                width: 100%;
                text-align: center
            }
        }

/* ===== 环境 · 可循环闭环 ===== */


        
        .gflow {
            display: grid;
            grid-template-columns: 400px 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 34px
        }

.gflow-fig {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 16px
        }

.gflow-fig svg {
            display: block;
            width: 100%;
            height: auto
        }

.gflow-txt h3 {
            font-size: 21px;
            color: var(--ink);
            margin-bottom: 14px
        }

.gflow-txt>p {
            font-size: 14.5px;
            color: var(--grey);
            line-height: 1.85;
            margin-bottom: 10px
        }

.gflow-list {
            list-style: none;
            margin: 18px 0 0
        }

.gflow-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--eco)
        }

.gflow-list li b {
            color: var(--eco-d);
            font-weight: 700
        }

.gmetrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px
        }

.gmetric {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 24px 18px;
            text-align: center;
            transition: .25s
        }

.gmetric:hover {
            border-color: var(--eco);
            box-shadow: 0 14px 30px rgba(18, 161, 80, .12);
            transform: translateY(-4px)
        }

.gmetric b {
            display: block;
            font-size: 28px;
            font-weight: 800;
            color: var(--eco-d);
            line-height: 1.15;
            letter-spacing: -.5px
        }

.gmetric span {
            display: block;
            font-size: 13px;
            color: var(--grey);
            line-height: 1.65;
            margin-top: 8px
        }

@media(max-width:1100px) {
            .gflow {
                grid-template-columns: 1fr;
                gap: 30px
            }

            .gflow-fig {
                max-width: 380px;
                margin: 0 auto
            }

            .gmetrics {
                grid-template-columns: repeat(2, 1fr)
            }
        }

section[id]{scroll-margin-top:86px}

/* 页脚 IM 图标与微信二维码弹窗 */

    
        
        .im-links {
            display: inline-flex;
            gap: 8px;
            align-items: center;
            margin-left: 10px;
            vertical-align: middle
        }

.im-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            padding: 0;
            border: 0;
            cursor: pointer;
            text-decoration: none;
            transition: transform .2s, box-shadow .2s
        }

.im-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, .25);
            color: #fff
        }

.im-btn svg {
            width: 15px;
            height: 15px;
            fill: #fff;
            display: block
        }

.im-qq { background: #12B7F5 }

.im-wx { background: #2AAE67 }

.wx-modal {
            position: fixed;
            inset: 0;
            background: rgba(3, 15, 38, .68);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 200;
            padding: 24px
        }

.wx-modal.open { display: flex }

.wx-box {
            background: #fff;
            border-radius: 14px;
            padding: 26px 26px 18px;
            max-width: 320px;
            width: 100%;
            text-align: center;
            position: relative
        }

.wx-box img {
            width: 100%;
            max-width: 260px;
            border-radius: 10px;
            display: block;
            margin: 0 auto
        }

.wx-box p {
            margin: 14px 0 0;
            font-size: 14px;
            color: #4A5B73
        }

.wx-close {
            position: absolute;
            top: 6px;
            right: 12px;
            border: 0;
            background: none;
            font-size: 26px;
            line-height: 1;
            color: #9AA7B8;
            cursor: pointer;
            padding: 4px
        }

/* ===== 移动端触摸目标（2026-10-19 深度审计 P2） =====
           主要交互元素热区 ≥44px（WCAG 2.5.5），页脚链接 ≥24px（WCAG 2.5.8 AA）。
           header 用伪元素向外扩，不改变栏高与图标视觉尺寸。 */

    
        
        @media (max-width: 1100px) {
            .lang-btn, .tel-btn, .logo { position: relative }
            .lang-btn::after, .tel-btn::after {
                content: ""; position: absolute; left: -6px; right: -6px;
                top: 50%; height: 44px; transform: translateY(-50%);
            }
            .logo::after {
                content: ""; position: absolute; left: 0; right: 0;
                top: 50%; height: 44px; transform: translateY(-50%);
            }
            .menu-toggle {
                display: flex; align-items: center; justify-content: center;
                width: 44px; height: 44px; font-size: 24px;
            }
            .lang-menu a { display: flex; align-items: center; min-height: 44px }
            .tabs button { min-height: 44px }
            .vsnd { width: 44px; height: 44px }
            .im-btn { width: 44px; height: 44px }
        }

@media (max-width: 680px) {
            footer ul a:not(.im-btn) { display: inline-block; padding: 5px 0 }
        }

/* 公安备案行：窄屏允许折行，避免横向溢出（图标与编号仍并排） */
@media (max-width: 480px) {
            .fbottom div[style*="nowrap"] { white-space: normal !important; width: auto !important }
        }

/* 底部备案行：宽屏合并为一行（版权 | ICP | 公安备案），窄屏保持两行 */
@media (min-width: 721px) {
            .fbottom { flex-direction: row; flex-wrap: wrap; gap: 6px 18px; align-items: baseline }
        }