@charset "utf-8";
/* =========================================================
   GreenBoard 企业站模板样式 v2（原创设计 · 绿色板材行业风格）
   大气版：1280 容器 / 100px 板块间距 / 全屏 Hero / 大字号标题
   适配：PC + 平板 + 手机（响应式断点 1200 / 992 / 768 / 480）
   ========================================================= */

:root {
    --gb-green: #005d4e;
    --gb-green-light: #087a66;
    --gb-green-dark: #00463a;
    --gb-dark: #03261f;
    --gb-dark2: #04302a;
    --gb-yellow: #efe157;
    --gb-gold: #d8c552;
    --gb-text: #1d2b28;
    --gb-text2: #5a6b67;
    --gb-text3: #92a09d;
    --gb-bg: #f4f6f5;
    --gb-bg2: #eef2f0;
    --gb-line: #e4e9e7;
    --gb-white: #ffffff;
    --gb-radius: 8px;
    --gb-shadow: 0 10px 40px rgba(0, 60, 50, .10);
    --gb-shadow-lg: 0 24px 60px rgba(0, 45, 38, .18);
    --gb-ease: cubic-bezier(.22, .61, .36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px; color: var(--gb-text); background: var(--gb-white);
    line-height: 1.8; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .3s var(--gb-ease); }
a:hover { color: var(--gb-green); }
img { max-width: 100%; display: block; border: 0; }
ul, li { list-style: none; }
.gb-container { max-width: 1660px; margin: 0 auto; padding: 0 24px; }
.gb-clear::after { content: ""; display: table; clear: both; }

/* 滚动淡入动效 */
html.gb-js .gb-reveal { opacity: 0; transform: translateY(38px); transition: opacity .9s var(--gb-ease), transform .9s var(--gb-ease); }
html.gb-js .gb-reveal.gb-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html.gb-js .gb-reveal { opacity: 1; transform: none; transition: none; } }

/* ---------------- 顶部通栏 ---------------- */
.gb-topbar { background: var(--gb-dark); color: #a8c4bd; font-size: 13px; letter-spacing: .5px; }
.gb-topbar .gb-container { display: flex; justify-content: space-between; align-items: center; height: 40px; }
.gb-topbar .left { display: flex; align-items: center; gap: 26px; }
.gb-topbar .left span { position: relative; }
.gb-topbar .left span + span::before {
    content: ""; position: absolute; left: -13px; top: 50%; width: 1px; height: 11px;
    background: rgba(255,255,255,.18); transform: translateY(-50%);
}
.gb-topbar a { color: #a8c4bd; }
.gb-topbar a:hover { color: var(--gb-yellow); }
.gb-topbar .gb-tel { color: var(--gb-yellow); font-weight: bold; letter-spacing: 1px; font-size: 14px; }

/* ---------------- 页头 ---------------- */
.gb-header {
    background: var(--gb-white); position: sticky; top: 0; z-index: 999;
    transition: box-shadow .35s var(--gb-ease), background .35s var(--gb-ease);
}
.gb-header.gb-sticky { box-shadow: 0 8px 30px rgba(0, 40, 34, .10); }
.gb-header .gb-container { display: flex; align-items: center; justify-content: space-between; height: 96px; transition: height .35s var(--gb-ease); }
.gb-header.gb-sticky .gb-container { height: 74px; }
.gb-logo { display: flex; align-items: center; max-width: 44%; }
.gb-logo img { max-height: 62px; width: auto; transition: max-height .35s var(--gb-ease); }
.gb-foot-logo { display: block; height: 46px; width: auto; margin-bottom: 18px; }
.gb-header.gb-sticky .gb-logo img { max-height: 48px; }
.gb-logo-text { font-size: 27px; font-weight: 800; color: var(--gb-green); letter-spacing: 3px; line-height: 1.15; }
.gb-logo-text small { display: block; font-size: 11px; color: var(--gb-text3); font-weight: normal; letter-spacing: 5px; margin-top: 2px; }
.gb-nav > ul { display: flex; }
.gb-nav > ul > li { position: relative; }
.gb-nav > ul > li > a {
    display: block; padding: 0 24px; line-height: 96px; font-size: 16.5px;
    color: var(--gb-text); font-weight: 500; letter-spacing: .5px; position: relative;
    transition: line-height .35s var(--gb-ease), color .3s;
}
.gb-header.gb-sticky .gb-nav > ul > li > a { line-height: 74px; }
.gb-nav > ul > li > a::after {
    content: ""; position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%);
    width: 0; height: 3px; background: var(--gb-yellow); border-radius: 2px; transition: width .3s var(--gb-ease);
}
.gb-nav > ul > li:hover > a, .gb-nav > ul > li.gb-active > a { color: var(--gb-green); font-weight: 700; }
.gb-nav > ul > li:hover > a::after, .gb-nav > ul > li.gb-active > a::after { width: 30px; }
.gb-submenu {
    position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(10px);
    min-width: 180px; background: var(--gb-white); border-top: 3px solid var(--gb-green);
    box-shadow: var(--gb-shadow-lg); opacity: 0; visibility: hidden;
    transition: all .3s var(--gb-ease); z-index: 9; padding: 6px 0;
}
.gb-nav > ul > li:hover .gb-submenu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.gb-submenu a { display: block; padding: 11px 22px; font-size: 14.5px; color: var(--gb-text2); text-align: center; white-space: nowrap; }
.gb-submenu a:hover { background: #f1f7f5; color: var(--gb-green); font-weight: bold; }
.gb-head-tel { display: flex; align-items: center; margin-left: 20px; color: var(--gb-green); white-space: nowrap; }
.gb-head-tel .ico {
    width: 46px; height: 46px; border-radius: 50%; background: linear-gradient(135deg, var(--gb-green), var(--gb-green-light));
    margin-right: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.gb-head-tel .ico svg { width: 22px; height: 22px; fill: var(--gb-yellow); }
.gb-head-tel b { font-size: 21px; display: block; line-height: 1.2; letter-spacing: .5px; }
.gb-head-tel span { font-size: 12px; color: var(--gb-text3); font-weight: normal; display: block; }

/* 移动端菜单按钮 */
.gb-menu-btn { display: none; width: 42px; height: 42px; border: 0; background: none; cursor: pointer; }
.gb-menu-btn span, .gb-menu-btn span::before, .gb-menu-btn span::after {
    display: block; width: 26px; height: 2px; background: var(--gb-green); position: relative; transition: .3s;
}
.gb-menu-btn span::before, .gb-menu-btn span::after { content: ""; position: absolute; left: 0; }
.gb-menu-btn span::before { top: -8px; }
.gb-menu-btn span::after { top: 8px; }

/* ---------------- Hero 轮播 ---------------- */
.gb-banner {
    position: relative; overflow: hidden; background: var(--gb-dark);
    height: clamp(520px, calc(100vh - 136px), 720px);
}
.gb-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s var(--gb-ease); }
.gb-slide.gb-on { opacity: 1; z-index: 2; }
.gb-slide > img, .gb-slide > a > img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); }
.gb-slide.gb-on > img, .gb-slide.gb-on > a > img { animation: gb-kenburns 9s ease-out forwards; }
@keyframes gb-kenburns { from { transform: scale(1.06); } to { transform: scale(1.14); } }
.gb-slide::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(2,32,27,.90) 0%, rgba(2,32,27,.66) 42%, rgba(2,32,27,.12) 78%, rgba(2,32,27,0) 100%);
}
.gb-slide-txt {
    position: absolute; z-index: 3; left: 0; right: 0; top: 50%; transform: translateY(-50%);
    color: var(--gb-white);
}
.gb-slide-txt .tag {
    display: inline-block; font-size: 13px; letter-spacing: 5px; color: var(--gb-yellow);
    border: 1px solid rgba(239,225,87,.5); border-radius: 30px; padding: 6px 20px; margin-bottom: 24px;
    text-transform: uppercase;
}
.gb-slide-txt .t1 {
    font-size: 58px; font-weight: 800; letter-spacing: 5px; line-height: 1.22;
    text-shadow: 0 6px 30px rgba(0,0,0,.4);
}
.gb-slide-txt .t1 em { font-style: normal; color: var(--gb-yellow); }
.gb-slide-txt .t2 { font-size: 17px; letter-spacing: 8px; margin: 20px 0 40px; color: #cfe6e1; text-transform: uppercase; }
.gb-slide-txt .btns { display: flex; gap: 16px; flex-wrap: wrap; }
.gb-slide-txt .btn {
    display: inline-block; padding: 15px 46px; background: var(--gb-yellow); color: #3f3a00;
    font-size: 15.5px; font-weight: 700; border-radius: 40px; letter-spacing: 2px;
    border: 1px solid var(--gb-yellow); transition: all .3s var(--gb-ease);
}
.gb-slide-txt .btn:hover { background: var(--gb-white); border-color: var(--gb-white); color: var(--gb-green); transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,.28); }
.gb-slide-txt .btn.ghost { background: transparent; border-color: rgba(255,255,255,.7); color: var(--gb-white); }
.gb-slide-txt .btn.ghost:hover { background: var(--gb-white); color: var(--gb-green); }
.gb-banner-dots { position: absolute; z-index: 5; bottom: 34px; left: 0; right: 0; display: flex; justify-content: center; gap: 12px; }
.gb-banner-dots i { width: 30px; height: 4px; background: rgba(255,255,255,.4); border-radius: 3px; cursor: pointer; transition: .35s var(--gb-ease); }
.gb-banner-dots i.gb-on { background: var(--gb-yellow); width: 52px; }
.gb-banner-arrow {
    position: absolute; z-index: 6; top: 50%; transform: translateY(-50%); width: 54px; height: 54px;
    border: 1px solid rgba(255,255,255,.35); background: rgba(0,40,33,.25); color: #fff; border-radius: 50%;
    cursor: pointer; font-size: 20px; line-height: 1; opacity: 0; transition: all .35s var(--gb-ease);
}
.gb-banner:hover .gb-banner-arrow { opacity: 1; }
.gb-banner-arrow:hover { background: var(--gb-yellow); color: #3f3a00; border-color: var(--gb-yellow); }
.gb-banner-arrow.prev { left: 34px; }
.gb-banner-arrow.next { right: 34px; }
.gb-scroll-tip {
    position: absolute; z-index: 6; bottom: 30px; left: 50%; transform: translateX(-50%);
    width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.5); border-radius: 14px;
    animation: gb-fade 2.4s infinite; display: none;
}
.gb-scroll-tip::before {
    content: ""; position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px;
    background: var(--gb-yellow); border-radius: 2px; animation: gb-wheel 1.8s infinite;
}
@keyframes gb-wheel { 0% { top: 8px; opacity: 1; } 70% { top: 22px; opacity: 0; } 100% { opacity: 0; } }
@keyframes gb-fade { 0%, 100% { opacity: .8; } 50% { opacity: .35; } }

/* ---------------- 快捷入口（叠在 Hero 上） ---------------- */
.gb-quick { position: relative; z-index: 20; margin-top: -68px; padding-bottom: 56px; }
.gb-quick-in { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--gb-white); box-shadow: var(--gb-shadow-lg); border-radius: 10px; overflow: hidden; }
.gb-quick .q-item {
    display: flex; align-items: center; gap: 16px; padding: 30px 28px; position: relative;
    border-right: 1px solid var(--gb-line); transition: all .35s var(--gb-ease);
}
.gb-quick .q-item:last-child { border-right: 0; }
.gb-quick .q-item::before {
    content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 0;
    background: linear-gradient(180deg, rgba(0,93,78,.02), rgba(0,93,78,.09)); transition: height .35s var(--gb-ease);
}
.gb-quick .q-item:hover { transform: translateY(-4px); }
.gb-quick .q-item:hover::before { height: 100%; }
.gb-quick .q-item .qi {
    width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0; position: relative; z-index: 1;
    background: linear-gradient(135deg, rgba(0,93,78,.10), rgba(0,93,78,.03));
    display: flex; align-items: center; justify-content: center;
}
.gb-quick .q-item:hover .qi { background: linear-gradient(135deg, var(--gb-green), var(--gb-green-light)); }
.gb-quick .q-item .qi svg { width: 26px; height: 26px; fill: var(--gb-green); transition: fill .3s; }
.gb-quick .q-item:hover .qi svg { fill: var(--gb-white); }
.gb-quick .q-item .qt { position: relative; z-index: 1; }
.gb-quick .q-item b { display: block; font-size: 17.5px; color: var(--gb-text); letter-spacing: 1px; }
.gb-quick .q-item span { font-size: 12px; color: var(--gb-text3); letter-spacing: 1.5px; text-transform: uppercase; }

/* ---------------- 板块通用 ---------------- */
.gb-section { padding: 60px 0; }
.gb-section.gb-gray { background: var(--gb-bg); }
.gb-section.gb-tight { padding: 70px 0; }
.gb-sec-head { text-align: center; margin-bottom: 64px; }
.gb-sec-head .en {
    font-size: 13px; color: var(--gb-text3); letter-spacing: 8px; text-transform: uppercase;
    display: block; margin-bottom: 10px;
}
.gb-sec-head h2 { font-size: 40px; color: var(--gb-text); margin: 0 0 18px; letter-spacing: 4px; font-weight: 800; }
.gb-sec-head h2 em { font-style: normal; color: var(--gb-green); }
.gb-sec-head .line { width: 66px; height: 4px; background: var(--gb-green); margin: 0 auto; position: relative; border-radius: 3px; }
.gb-sec-head .line::before, .gb-sec-head .line::after {
    content: ""; position: absolute; top: 1px; width: 12px; height: 2px; background: var(--gb-gold);
}
.gb-sec-head .line::before { left: -20px; }
.gb-sec-head .line::after { right: -20px; }
.gb-sec-head p { color: var(--gb-text3); margin-top: 18px; font-size: 15px; letter-spacing: 2px; }

/* 左侧标题（左对齐大板块） */
.gb-sec-head.gb-left { text-align: left; }
.gb-sec-head.gb-left .line { margin: 0; }
.gb-sec-head.gb-left p { margin-top: 14px; }
.gb-sec-head.gb-light h2 { color: var(--gb-white); }
.gb-sec-head.gb-light h2 em { color: var(--gb-yellow); }
.gb-sec-head.gb-light .en, .gb-sec-head.gb-light p { color: rgba(255,255,255,.55); }
.gb-sec-head.gb-light .line { background: var(--gb-yellow); }

/* ---------------- 数据统计 ---------------- */
.gb-stats {
    background: var(--gb-dark2) linear-gradient(115deg, rgba(0,93,78,.55) 0%, rgba(3,38,31,.2) 55%, rgba(0,0,0,0) 100%);
    position: relative; overflow: hidden; padding: 64px 0;
}
.gb-stats::before {
    content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%;
    background: radial-gradient(circle, rgba(239,225,87,.13), transparent 68%);
}
.gb-stats .gb-container { position: relative; z-index: 2; }
.gb-stats-in { display: grid; grid-template-columns: repeat(4, 1fr); }
.gb-stats .s-item { text-align: center; position: relative; padding: 10px 12px; }
.gb-stats .s-item + .s-item::before {
    content: ""; position: absolute; left: 0; top: 12%; height: 76%; width: 1px; background: rgba(255,255,255,.12);
}
.gb-stats .num { font-size: 52px; font-weight: 800; color: var(--gb-white); line-height: 1; letter-spacing: 1px; }
.gb-stats .num em { font-style: normal; font-size: 22px; color: var(--gb-yellow); margin-left: 6px; font-weight: 700; }
.gb-stats .lb { color: #b6cec8; font-size: 15px; margin-top: 14px; letter-spacing: 2px; }
.gb-stats .lb i { font-style: normal; display: block; font-size: 11px; color: rgba(255,255,255,.32); letter-spacing: 3px; text-transform: uppercase; }

/* ---------------- 产品中心 ---------------- */
.gb-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 46px; }
.gb-tabs a {
    display: inline-block; padding: 11px 30px; border: 1px solid var(--gb-line); border-radius: 40px;
    font-size: 15px; color: var(--gb-text2); background: var(--gb-white); transition: all .3s var(--gb-ease);
}
.gb-tabs a:hover, .gb-tabs a.gb-on {
    background: var(--gb-green); border-color: var(--gb-green); color: var(--gb-white);
    box-shadow: 0 10px 24px rgba(0, 93, 78, .25);
}
.gb-pro-wrap { display: flex; gap: 30px; }
.gb-pro-side { width: 250px; flex-shrink: 0; }
.gb-pro-side .side-tt {
    background: linear-gradient(120deg, var(--gb-green), var(--gb-green-light)); color: var(--gb-white);
    padding: 18px 24px; font-size: 18px; font-weight: bold; letter-spacing: 3px;
    border-radius: var(--gb-radius) var(--gb-radius) 0 0;
}
.gb-pro-side .side-tt small { display: block; font-size: 11px; letter-spacing: 2px; font-weight: normal; opacity: .65; }
.gb-pro-side ul { border: 1px solid var(--gb-line); border-top: 0; border-radius: 0 0 var(--gb-radius) var(--gb-radius); overflow: hidden; background: var(--gb-white); }
.gb-pro-side li a { display: block; padding: 15px 24px; border-bottom: 1px solid var(--gb-line); color: var(--gb-text2); position: relative; transition: .3s var(--gb-ease); }
.gb-pro-side li:last-child a { border-bottom: 0; }
.gb-pro-side li a::after { content: "\203A"; position: absolute; right: 22px; color: #c4c9c7; font-size: 18px; line-height: 1.4; }
.gb-pro-side li a:hover, .gb-pro-side li.gb-on a { background: #f1f7f5; color: var(--gb-green); padding-left: 32px; font-weight: bold; }
.gb-pro-side li a:hover::after, .gb-pro-side li.gb-on a::after { color: var(--gb-green); }
.gb-pro-grid { flex: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; align-content: start; }
.gb-pro-card { background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); overflow: hidden; transition: all .4s var(--gb-ease); display: block; }
.gb-pro-card:hover { box-shadow: var(--gb-shadow-lg); transform: translateY(-8px); border-color: transparent; }
.gb-pro-card .pic { padding-top: 100%; position: relative; overflow: hidden; background: var(--gb-bg2); }
.gb-pro-card .pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--gb-ease); }
.gb-pro-card:hover .pic img { transform: scale(1.1); }
.gb-pro-card .pic .mask {
    position: absolute; inset: 0; background: rgba(0, 60, 50, .55); opacity: 0;
    display: flex; align-items: center; justify-content: center; transition: opacity .4s var(--gb-ease);
}
.gb-pro-card .pic .mask span {
    color: #fff; border: 1px solid rgba(255,255,255,.8); border-radius: 30px;
    padding: 9px 26px; font-size: 13.5px; letter-spacing: 2px;
}
.gb-pro-card:hover .pic .mask { opacity: 1; }
.gb-pro-card .name { display: block; text-align: center; padding: 20px 12px; font-size: 16.5px; color: var(--gb-text); letter-spacing: .5px; position: relative; }
.gb-pro-card .name::before { content: ""; position: absolute; left: 50%; top: 0; transform: translateX(-50%); width: 0; height: 3px; background: var(--gb-yellow); transition: width .4s var(--gb-ease); }
.gb-pro-card:hover .name { color: var(--gb-green); font-weight: bold; }
.gb-pro-card:hover .name::before { width: 46px; }
.gb-more-btn { text-align: center; margin-top: 54px; }
.gb-more-btn a {
    display: inline-block; padding: 14px 52px; border: 1px solid var(--gb-green);
    color: var(--gb-green); border-radius: 40px; font-size: 15px; letter-spacing: 3px; transition: all .35s var(--gb-ease);
}
.gb-more-btn a::after { content: " \2192"; }
.gb-more-btn a:hover { background: var(--gb-green); color: var(--gb-white); box-shadow: 0 14px 30px rgba(0,93,78,.28); }

/* ---------------- 公司简介 ---------------- */
.gb-about { display: flex; gap: 60px; align-items: center; }
.gb-about .pic { width: 48%; flex-shrink: 0; border-radius: var(--gb-radius); overflow: hidden; position: relative; box-shadow: var(--gb-shadow-lg); }
.gb-about .pic img { width: 100%; height: 440px; object-fit: cover; transition: transform .8s var(--gb-ease); }
.gb-about .pic:hover img { transform: scale(1.04); }
.gb-about .pic .year {
    position: absolute; left: 0; top: 0; background: rgba(0,60,50,.88); color: var(--gb-yellow);
    padding: 22px 26px; text-align: center; backdrop-filter: blur(4px);
}
.gb-about .pic .year b { display: block; font-size: 34px; line-height: 1; letter-spacing: 1px; }
.gb-about .pic .year span { font-size: 12px; color: #cfe6e1; letter-spacing: 2px; }
.gb-about .txt { flex: 1; min-width: 0; }
.gb-about h3 { font-size: 30px; color: var(--gb-text); margin-bottom: 20px; letter-spacing: 2px; font-weight: 800; }
.gb-about h3 em { font-style: normal; color: var(--gb-green); }
.gb-about p { color: var(--gb-text2); margin-bottom: 16px; text-align: justify; font-size: 15px; line-height: 1.95; }
.gb-about ul { margin: 26px 0 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; }
.gb-about ul li { color: var(--gb-text); font-size: 15px; padding-left: 32px; position: relative; }
.gb-about ul li::before {
    content: "\2713"; position: absolute; left: 0; top: 3px; width: 21px; height: 21px;
    background: linear-gradient(135deg, var(--gb-green), var(--gb-green-light)); color: var(--gb-white);
    border-radius: 50%; font-size: 12px; line-height: 21px; text-align: center;
}
.gb-about .btn {
    display: inline-block; padding: 14px 48px; background: var(--gb-green); color: var(--gb-white);
    border-radius: 40px; letter-spacing: 3px; font-size: 15px; transition: all .35s var(--gb-ease);
}
.gb-about .btn:hover { background: var(--gb-green-dark); color: var(--gb-white); box-shadow: 0 14px 30px rgba(0,93,78,.3); transform: translateY(-2px); }

/* ---------------- 招商加盟（深色大板块） ---------------- */
.gb-join {
    background: var(--gb-dark) linear-gradient(115deg, rgba(0,93,78,.92) 0%, rgba(4,48,42,.94) 60%, rgba(3,38,31,.96) 100%);
    position: relative; overflow: hidden;
}
.gb-join::before {
    content: ""; position: absolute; right: -80px; bottom: -140px; width: 480px; height: 480px; border-radius: 50%;
    background: radial-gradient(circle, rgba(239,225,87,.12), transparent 66%);
}
.gb-join::after {
    content: ""; position: absolute; inset: 0; opacity: .05;
    background-image: linear-gradient(rgba(255,255,255,.6) 1px, transparent 1px);
    background-size: 100% 46px;
}
.gb-join .gb-container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-top: 72px; padding-bottom: 72px; }
.gb-join .txt h3 { color: var(--gb-white); font-size: 38px; letter-spacing: 6px; margin-bottom: 16px; font-weight: 800; }
.gb-join .txt h3 em { font-style: normal; color: var(--gb-yellow); }
.gb-join .txt p { color: #b9d4cd; letter-spacing: 1.5px; font-size: 16px; }
.gb-join .txt .jt { display: flex; gap: 26px; margin-top: 20px; flex-wrap: wrap; }
.gb-join .txt .jt span { color: #d9ebe6; font-size: 14.5px; padding-left: 22px; position: relative; }
.gb-join .txt .jt span::before { content: ""; position: absolute; left: 0; top: 8px; width: 7px; height: 7px; background: var(--gb-yellow); border-radius: 50%; }
.gb-join .btn {
    display: inline-block; padding: 18px 60px; background: var(--gb-yellow); color: #3f3a00;
    font-size: 22px; font-weight: 800; border-radius: 40px; letter-spacing: 3px; white-space: nowrap;
    transition: all .35s var(--gb-ease);
}
.gb-join .btn:hover { background: var(--gb-white); color: var(--gb-green); transform: translateY(-3px); box-shadow: 0 16px 36px rgba(0,0,0,.3); }

/* ---------------- 优势横条 ---------------- */
.gb-adv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.gb-adv .item {
    background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius);
    text-align: center; padding: 44px 22px; transition: all .4s var(--gb-ease); position: relative; overflow: hidden;
}
.gb-adv .item::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--gb-green), var(--gb-yellow)); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--gb-ease); }
.gb-adv .item:hover { box-shadow: var(--gb-shadow-lg); transform: translateY(-8px); border-color: transparent; }
.gb-adv .item:hover::before { transform: scaleX(1); }
.gb-adv .item .ico {
    width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 50%;
    background: linear-gradient(135deg, rgba(0,93,78,.10), rgba(0,93,78,.03));
    display: flex; align-items: center; justify-content: center; transition: all .4s var(--gb-ease);
}
.gb-adv .item:hover .ico { background: linear-gradient(135deg, var(--gb-green), var(--gb-green-light)); transform: rotateY(180deg); }
.gb-adv .item svg { width: 32px; height: 32px; fill: var(--gb-green); transition: fill .4s; }
.gb-adv .item:hover svg { fill: var(--gb-yellow); }
.gb-adv .item b { display: block; font-size: 18px; color: var(--gb-text); margin-bottom: 8px; letter-spacing: 1px; }
.gb-adv .item span { font-size: 13.5px; color: var(--gb-text3); }

/* ---------------- 客户案例 ---------------- */
.gb-case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.gb-case-card { position: relative; border-radius: var(--gb-radius); overflow: hidden; padding-top: 130%; display: block; }
.gb-case-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--gb-ease); }
.gb-case-card:hover img { transform: scale(1.1); }
.gb-case-card .cap {
    position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 20px 20px;
    background: linear-gradient(transparent, rgba(2,32,27,.9)); color: var(--gb-white);
    font-size: 16.5px; letter-spacing: 1px; transform: translateY(6px); transition: transform .4s var(--gb-ease);
}
.gb-case-card .cap small { display: block; font-size: 11px; letter-spacing: 3px; color: rgba(255,255,255,.55); text-transform: uppercase; margin-top: 4px; }
.gb-case-card:hover .cap { transform: none; }
.gb-case-card .cap::after {
    content: ""; position: absolute; left: 20px; bottom: 0; width: 0; height: 3px; background: var(--gb-yellow);
    transition: width .45s var(--gb-ease);
}
.gb-case-card:hover .cap::after { width: 46px; }

/* ---------------- 业务覆盖（深色） ---------------- */
.gb-network { background: var(--gb-dark) linear-gradient(160deg, rgba(0,80,67,.5), rgba(3,38,31,.1)); position: relative; overflow: hidden; }
.gb-network .gb-container { position: relative; z-index: 2; display: flex; align-items: center; gap: 70px; }
.gb-network .n-left { flex: 1; min-width: 0; }
.gb-network h2 { color: var(--gb-white); font-size: 36px; letter-spacing: 4px; margin-bottom: 20px; font-weight: 800; }
.gb-network h2 em { font-style: normal; color: var(--gb-yellow); }
.gb-network p { color: #a9c8c1; font-size: 15px; line-height: 2; margin-bottom: 30px; }
.gb-network .region { display: flex; flex-wrap: wrap; gap: 12px; }
.gb-network .region span {
    padding: 9px 22px; border: 1px solid rgba(255,255,255,.18); border-radius: 30px;
    color: #cfe6e1; font-size: 14px; transition: all .3s var(--gb-ease);
}
.gb-network .region span:hover { background: var(--gb-yellow); border-color: var(--gb-yellow); color: #3f3a00; font-weight: bold; }
.gb-network .n-right { width: 470px; flex-shrink: 0; position: relative; }
.gb-network .n-right svg { width: 100%; height: auto; overflow: visible; }

/* ---------------- 资质证书 ---------------- */
.gb-cert-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
.gb-cert-card {
    background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius);
    padding: 32px 18px; text-align: center; transition: all .4s var(--gb-ease); position: relative;
}
.gb-cert-card:hover { transform: translateY(-8px); box-shadow: var(--gb-shadow-lg); border-color: #cde0da; }
.gb-cert-card .seal {
    width: 68px; height: 68px; margin: 0 auto 18px; border-radius: 50%;
    border: 2px solid var(--gb-gold); color: var(--gb-green);
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: bold; letter-spacing: .5px; text-align: center; line-height: 1.2;
    background: radial-gradient(circle at 30% 25%, #fffbe6, #fff);
    position: relative;
}
.gb-cert-card .seal::after {
    content: ""; position: absolute; inset: 5px; border: 1px dashed rgba(216,197,82,.7); border-radius: 50%;
}
.gb-cert-card b { display: block; font-size: 15px; color: var(--gb-text); margin-bottom: 6px; }
.gb-cert-card span { font-size: 12.5px; color: var(--gb-text3); }
.gb-cert-note { text-align: center; margin-top: 40px; color: var(--gb-text3); font-size: 15px; letter-spacing: 3px; }
.gb-cert-note::before, .gb-cert-note::after { content: "—"; margin: 0 14px; color: var(--gb-line); }

/* ---------------- 新闻资讯 ---------------- */
.gb-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.gb-news-card {
    background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius);
    overflow: hidden; transition: all .4s var(--gb-ease); display: flex; flex-direction: column;
}
.gb-news-card:hover { box-shadow: var(--gb-shadow-lg); transform: translateY(-8px); border-color: transparent; }
.gb-news-card .pic { padding-top: 62%; position: relative; overflow: hidden; background: var(--gb-bg2); }
.gb-news-card .pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--gb-ease); }
.gb-news-card:hover .pic img { transform: scale(1.07); }
.gb-news-card .pic .date {
    position: absolute; left: 0; top: 0; background: rgba(0,60,50,.9); color: var(--gb-white);
    padding: 10px 16px; font-size: 13px; text-align: center; line-height: 1.3; letter-spacing: 1px;
}
.gb-news-card .pic .date b { display: block; font-size: 22px; color: var(--gb-yellow); }
.gb-news-card .bd { padding: 24px 24px 28px; flex: 1; display: flex; flex-direction: column; }
.gb-news-card .bd h3 { font-size: 18px; line-height: 1.55; margin-bottom: 12px; color: var(--gb-text); transition: color .3s; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gb-news-card:hover .bd h3 { color: var(--gb-green); }
.gb-news-card .bd p { color: var(--gb-text3); font-size: 14px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gb-news-card .bd .lk { color: var(--gb-green); font-size: 14px; margin-top: 18px; letter-spacing: 1px; }
.gb-news-card .bd .lk::after { content: " \2192"; transition: margin .3s; }
.gb-news-card:hover .bd .lk::after { margin-left: 6px; }

/* ---------------- 页脚 ---------------- */
.gb-footer { background: var(--gb-dark); color: #93b2ab; }
.gb-footer .top { display: grid; grid-template-columns: 1.5fr 1.2fr 1fr; gap: 56px; padding: 48px 0 42px; }
.gb-footer h4 { color: var(--gb-white); font-size: 18px; margin-bottom: 26px; letter-spacing: 2px; position: relative; padding-bottom: 14px; }
.gb-footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 3px; background: var(--gb-yellow); border-radius: 2px; }
.gb-footer .about p { font-size: 14px; line-height: 2; text-align: justify; margin-bottom: 20px; }
.gb-footer .contact li { padding-left: 30px; position: relative; line-height: 1.9; margin-bottom: 12px; font-size: 14px; }
.gb-footer .contact li svg { position: absolute; left: 0; top: 5px; width: 17px; height: 17px; fill: var(--gb-green-light); }
.gb-footer .contact li b { color: var(--gb-yellow); font-size: 19px; letter-spacing: 1px; }
.gb-footer ul li { margin-bottom: 13px; font-size: 14px; }
.gb-footer ul a { color: #93b2ab; }
.gb-footer ul a:hover { color: var(--gb-yellow); padding-left: 5px; }
.gb-footer .bottom { border-top: 1px solid rgba(255,255,255,.07); padding: 22px 0; text-align: center; font-size: 13px; color: #6f8d87; }
.gb-footer .bottom a { color: #6f8d87; }
.gb-footer .bottom a:hover { color: var(--gb-yellow); }
.gb-footer .bottom span { margin: 0 8px; }

/* 返回顶部 */
.gb-backtop {
    position: fixed; right: 28px; bottom: 56px; width: 50px; height: 50px; border-radius: 50%;
    background: var(--gb-green); color: var(--gb-white); border: 0; cursor: pointer; font-size: 20px;
    opacity: 0; visibility: hidden; transition: all .35s var(--gb-ease); z-index: 99;
    box-shadow: 0 10px 26px rgba(0, 60, 50, .3);
}
.gb-backtop.gb-show { opacity: 1; visibility: visible; }
.gb-backtop:hover { background: var(--gb-green-dark); transform: translateY(-4px); }

/* ---------------- 内页 ---------------- */
.gb-page-banner {
    background: var(--gb-dark) url("../img/hero2.png") center/cover no-repeat; position: relative;
    padding: 96px 0; text-align: center; color: var(--gb-white);
}
.gb-page-banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2,32,27,.88), rgba(2,32,27,.72)); }
.gb-page-banner .gb-container { position: relative; z-index: 2; }
.gb-page-banner h1 { font-size: 38px; letter-spacing: 6px; margin-bottom: 14px; font-weight: 800; }
.gb-page-banner .en { font-size: 12px; letter-spacing: 6px; color: var(--gb-yellow); text-transform: uppercase; margin-bottom: 12px; display: block; }
.gb-page-banner .crumb { font-size: 14px; color: #a9c8c1; letter-spacing: 1px; }
.gb-page-banner .crumb a { color: #a9c8c1; }
.gb-page-banner .crumb a:hover { color: var(--gb-yellow); }
.gb-page-main { padding: 20px 0 100px; }
.gb-page-row { display: flex; gap: 30px; }
.gb-page-side { width: 260px; flex-shrink: 0; }

/* 文章列表 */
.gb-art-list .item {
    display: flex; gap: 26px; background: var(--gb-white); border: 1px solid var(--gb-line);
    border-radius: var(--gb-radius); padding: 22px; margin-bottom: 22px; transition: all .4s var(--gb-ease);
}
.gb-art-list .item:hover { box-shadow: var(--gb-shadow-lg); border-color: transparent; transform: translateY(-4px); }
.gb-art-list .item .pic { width: 260px; height: 168px; flex-shrink: 0; border-radius: 6px; overflow: hidden; }
.gb-art-list .item .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--gb-ease); }
.gb-art-list .item:hover .pic img { transform: scale(1.07); }
.gb-art-list .item .bd h3 { font-size: 19px; margin-bottom: 10px; transition: color .3s; }
.gb-art-list .item:hover .bd h3 { color: var(--gb-green); }
.gb-art-list .item .bd p { color: var(--gb-text3); font-size: 14px; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gb-art-list .item .meta { font-size: 13px; color: #a6b1ae; }
.gb-art-list .item .meta span { margin-right: 22px; }

/* 产品详情 */
.gb-pro-show { display: flex; gap: 40px; background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 32px; }
.gb-pro-show .pic { width: 44%; flex-shrink: 0; border: 1px solid var(--gb-line); border-radius: 6px; overflow: hidden; }
.gb-pro-show .info h1 { font-size: 26px; margin-bottom: 18px; letter-spacing: 1px; }
.gb-pro-show .info .desc { color: var(--gb-text2); margin-bottom: 22px; line-height: 2; }
.gb-pro-show .info .btn { display: inline-block; padding: 13px 40px; background: var(--gb-green); color: var(--gb-white); border-radius: 40px; letter-spacing: 2px; }
.gb-pro-show .info .btn:hover { background: var(--gb-green-dark); color: var(--gb-white); }

/* 内容正文 */
.gb-content-box { background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 42px; min-height: 320px; }
.gb-content-box h1.gb-tt { font-size: 26px; text-align: center; margin-bottom: 12px; letter-spacing: 1px; }
.gb-content-box .gb-meta { text-align: center; color: var(--gb-text3); font-size: 13px; padding-bottom: 22px; border-bottom: 1px solid var(--gb-line); margin-bottom: 28px; }
.gb-content-box .gb-meta span { margin: 0 14px; }
.neirong { line-height: 2.1; color: var(--gb-text2); font-size: 15px; }
.neirong img { margin: 14px auto; border-radius: 6px; }
.neirong p { margin-bottom: 14px; }
.gb-prevnext { display: flex; justify-content: space-between; gap: 24px; margin-top: 36px; padding-top: 24px; border-top: 1px dashed var(--gb-line); font-size: 14px; color: var(--gb-text2); }
.gb-prevnext a { color: var(--gb-green); }

/* 分页 */
.gb-pages { text-align: center; margin-top: 40px; }
.gb-pages a, .gb-pages b { display: inline-block; min-width: 42px; padding: 10px 16px; margin: 0 5px 10px; border: 1px solid var(--gb-line); border-radius: 6px; color: var(--gb-text2); font-size: 14px; background: var(--gb-white); transition: all .3s; }
.gb-pages b { background: var(--gb-green); border-color: var(--gb-green); color: var(--gb-white); }
.gb-pages a:hover { border-color: var(--gb-green); color: var(--gb-green); }

/* 侧栏通用卡片 */
.gb-side-card { background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); margin-bottom: 26px; overflow: hidden; }
.gb-side-card .hd { background: linear-gradient(120deg, var(--gb-green), var(--gb-green-light)); color: var(--gb-white); padding: 16px 22px; font-size: 16px; font-weight: bold; letter-spacing: 2px; }
.gb-side-card .bd { padding: 16px 22px; }
.gb-side-card .bd li { padding: 12px 0; border-bottom: 1px dashed var(--gb-line); font-size: 14px; }
.gb-side-card .bd li:last-child { border-bottom: 0; }
.gb-side-card .bd a { color: var(--gb-text2); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: .3s; }
.gb-side-card .bd a:hover { color: var(--gb-green); padding-left: 6px; }

/* 手机抽屉导航 */
.gb-m-nav { display: none; }
.gb-mask { display: none; position: fixed; inset: 0; background: rgba(0,20,16,.55); z-index: 998; }

/* =========================================================
   v3 内页增强样式
   覆盖：内页横幅 / 子栏目导航 / 产品中心 / 客户案例 / 新闻列表 /
         详情页 / 关于我们 / 联系我们 / 招商加盟 / 侧栏 / 页脚补充
   ========================================================= */

/* ---------------- 内页横幅 ---------------- */
.gb-page-banner {
    position: relative; padding: 84px 0 72px; text-align: center;
    color: var(--gb-white); overflow: hidden; background: var(--gb-dark);
}
.gb-pb-bg { position: absolute; inset: 0; background-size: cover; background-position: center 42%; transform: scale(1.05); }
.gb-pb-mask {
    position: absolute; inset: 0;
    background: linear-gradient(100deg, rgba(2,32,27,.95) 0%, rgba(2,32,27,.84) 46%, rgba(2,32,27,.58) 100%);
}
.gb-page-banner::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; z-index: 3;
    background: linear-gradient(90deg, var(--gb-green), var(--gb-yellow) 50%, var(--gb-green));
}
.gb-page-banner .gb-container { position: relative; z-index: 2; }
.gb-page-banner .en {
    display: block; font-size: 12px; letter-spacing: 7px; text-transform: uppercase;
    color: var(--gb-yellow); margin-bottom: 14px;
}
.gb-page-banner h1 { font-size: 40px; letter-spacing: 6px; font-weight: 800; margin: 0; line-height: 1.3; }
.gb-page-banner .line { width: 56px; height: 3px; background: var(--gb-yellow); margin: 18px auto 16px; border-radius: 3px; }
.gb-page-banner .crumb { font-size: 13.5px; color: #a9c8c1; letter-spacing: 1px; }
.gb-page-banner .crumb a { color: #a9c8c1; }
.gb-page-banner .crumb a:hover { color: var(--gb-yellow); }

/* ---------------- 子栏目快捷导航 ---------------- */
.gb-subnav { background: var(--gb-white); border-bottom: 1px solid var(--gb-line); box-shadow: 0 6px 18px rgba(0, 40, 34, .04); }
.gb-subnav-in { display: flex; flex-wrap: wrap; gap: 8px; padding: 16px 0; }
.gb-subnav a {
    display: inline-block; padding: 9px 22px; font-size: 14.5px; color: var(--gb-text2);
    border: 1px solid var(--gb-line); border-radius: 30px; background: var(--gb-white);
    transition: all .3s var(--gb-ease);
}
.gb-subnav a:hover { border-color: var(--gb-green); color: var(--gb-green); }
.gb-subnav a.gb-on {
    background: var(--gb-green); border-color: var(--gb-green); color: var(--gb-white);
    font-weight: bold; box-shadow: 0 8px 20px rgba(0, 93, 78, .22);
}
.gb-subnav a.gb-back::before { content: "\2190"; margin-right: 6px; }

/* ---------------- 内页主体栏 ---------------- */
.gb-page-body { flex: 1; min-width: 0; }

/* ---------------- 列表头部 ---------------- */
.gb-list-head {
    display: flex; align-items: flex-end; justify-content: space-between; gap: 20px;
    padding-bottom: 18px; margin-bottom: 30px; border-bottom: 1px solid var(--gb-line);
}
.gb-list-head h2 { font-size: 25px; font-weight: 800; letter-spacing: 1.5px; color: var(--gb-text); line-height: 1.4; }
.gb-list-head h2 em { font-style: normal; color: var(--gb-green); }
.gb-list-head h2 small { display: block; font-size: 13px; font-weight: normal; color: var(--gb-text3); letter-spacing: 1px; margin-top: 8px; }
.gb-list-head .sort { flex-shrink: 0; font-size: 13px; color: var(--gb-text3); padding-bottom: 4px; }

/* ---------------- 分类卡片 ---------------- */
.gb-catcards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 46px; }
.gb-catcard {
    position: relative; display: block; background: var(--gb-white); border: 1px solid var(--gb-line);
    border-radius: var(--gb-radius); overflow: hidden; transition: all .4s var(--gb-ease);
}
.gb-catcard::before {
    content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px; z-index: 2;
    background: linear-gradient(90deg, var(--gb-green), var(--gb-yellow));
    transform: scaleX(0); transform-origin: left; transition: transform .45s var(--gb-ease);
}
.gb-catcard:hover { transform: translateY(-6px); box-shadow: var(--gb-shadow-lg); border-color: transparent; }
.gb-catcard:hover::before { transform: scaleX(1); }
.gb-catcard .pic { display: block; padding-top: 62%; position: relative; overflow: hidden; background: var(--gb-bg2); }
.gb-catcard .pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--gb-ease); }
.gb-catcard:hover .pic img { transform: scale(1.08); }
.gb-catcard .tx { display: block; padding: 18px 20px 20px; }
.gb-catcard .tx b { display: block; font-size: 17px; color: var(--gb-text); letter-spacing: .5px; transition: color .3s; }
.gb-catcard .tx i { display: block; font-style: normal; font-size: 11px; color: var(--gb-text3); letter-spacing: 3px; text-transform: uppercase; margin-top: 5px; }
.gb-catcard .tx em { display: inline-block; font-style: normal; font-size: 13px; color: var(--gb-green); margin-top: 12px; }
.gb-catcard .tx em::after { content: " \2192"; }
.gb-catcard:hover .tx b { color: var(--gb-green); }

/* ---------------- 产品网格 ---------------- */
.gb-plist { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gb-plist-3 { grid-template-columns: repeat(3, 1fr); }
.gb-pcard {
    display: block; background: var(--gb-white); border: 1px solid var(--gb-line);
    border-radius: var(--gb-radius); overflow: hidden; transition: all .4s var(--gb-ease);
}
.gb-pcard:hover { transform: translateY(-8px); box-shadow: var(--gb-shadow-lg); border-color: transparent; }
.gb-pcard .pic { display: block; padding-top: 100%; position: relative; overflow: hidden; background: var(--gb-bg2); }
.gb-pcard .pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--gb-ease); }
.gb-pcard:hover .pic img { transform: scale(1.08); }
.gb-pcard .pic .mask {
    position: absolute; inset: 0; background: rgba(0, 60, 50, .5); opacity: 0;
    display: flex; align-items: center; justify-content: center; transition: opacity .4s var(--gb-ease);
}
.gb-pcard .pic .mask span {
    color: #fff; border: 1px solid rgba(255,255,255,.8); border-radius: 30px;
    padding: 9px 24px; font-size: 13.5px; letter-spacing: 2px;
}
.gb-pcard:hover .pic .mask { opacity: 1; }
.gb-pcard .bd { display: block; padding: 20px 20px 22px; }
.gb-pcard .bd b {
    font-size: 16.5px; color: var(--gb-text); line-height: 1.55; min-height: 3.1em;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .3s;
}
.gb-pcard:hover .bd b { color: var(--gb-green); }
.gb-pcard .bd i {
    font-style: normal; font-size: 13.5px; color: var(--gb-text3); margin-top: 9px; line-height: 1.7;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.gb-pcard .bd em {
    display: block; font-style: normal; font-size: 11px; letter-spacing: 3px; color: #b9c4c1;
    text-transform: uppercase; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--gb-line);
}

/* ---------------- 案例网格 ---------------- */
.gb-clist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.gb-clist-3 { grid-template-columns: repeat(3, 1fr); }
.gb-ccard { position: relative; display: block; border-radius: var(--gb-radius); overflow: hidden; padding-top: 74%; background: var(--gb-bg2); }
.gb-ccard img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--gb-ease); }
.gb-ccard:hover img { transform: scale(1.07); }
.gb-ccard .cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 56px 22px 22px; background: linear-gradient(transparent, rgba(2, 32, 27, .92)); color: var(--gb-white); }
.gb-ccard .cap b { display: block; font-size: 17px; letter-spacing: .5px; }
.gb-ccard .cap i {
    display: block; font-style: normal; font-size: 13px; color: rgba(255,255,255,.72); margin-top: 8px; line-height: 1.7;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.gb-ccard .cap em { display: block; font-style: normal; font-size: 11px; letter-spacing: 3px; color: var(--gb-yellow); text-transform: uppercase; margin-top: 10px; }
.gb-clist-3 .gb-ccard { padding-top: 88%; }

/* ---------------- 新闻 / 通用列表 ---------------- */
.gb-nlist { display: flex; flex-direction: column; gap: 18px; }
.gb-nrow {
    display: flex; align-items: stretch; gap: 26px; background: var(--gb-white);
    border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 20px;
    transition: all .4s var(--gb-ease);
}
.gb-nrow:hover { box-shadow: var(--gb-shadow-lg); border-color: transparent; transform: translateY(-4px); }
.gb-nrow .date {
    width: 82px; flex-shrink: 0; border-radius: 6px; padding: 10px 0;
    background: linear-gradient(160deg, var(--gb-green), var(--gb-green-light)); color: var(--gb-white);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.gb-nrow .date b { font-size: 30px; line-height: 1; font-weight: 800; }
.gb-nrow .date i { font-style: normal; font-size: 12px; letter-spacing: 1px; margin-top: 6px; opacity: .82; }
.gb-nrow .pic { width: 240px; height: 158px; flex-shrink: 0; border-radius: 6px; overflow: hidden; background: var(--gb-bg2); }
.gb-nrow .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--gb-ease); }
.gb-nrow:hover .pic img { transform: scale(1.07); }
.gb-nrow .bd { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; }
.gb-nrow .bd b {
    font-size: 18.5px; color: var(--gb-text); line-height: 1.55; transition: color .3s;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.gb-nrow:hover .bd b { color: var(--gb-green); }
.gb-nrow .bd i {
    font-style: normal; font-size: 13.5px; color: var(--gb-text3); line-height: 1.8; margin-top: 10px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.gb-nrow .bd em { font-style: normal; font-size: 13px; color: var(--gb-green); margin-top: 14px; }
.gb-nrow .bd em::after { content: " \2192"; }

/* ---------------- 空状态 ---------------- */
.gb-empty { text-align: center; padding: 70px 24px; background: var(--gb-white); border: 1px dashed var(--gb-line); border-radius: var(--gb-radius); }
.gb-empty b { display: block; font-size: 19px; color: var(--gb-text); margin-bottom: 10px; }
.gb-empty span { display: block; color: var(--gb-text3); font-size: 14px; margin-bottom: 24px; }
.gb-empty .btn { display: inline-block; padding: 12px 40px; background: var(--gb-green); color: #fff; border-radius: 40px; font-size: 14.5px; letter-spacing: 2px; }
.gb-empty .btn:hover { background: var(--gb-green-dark); color: #fff; }

/* ---------------- 搜索条 ---------------- */
.gb-searchbar { display: flex; gap: 10px; margin-bottom: 26px; }
.gb-searchbar input { flex: 1; min-width: 0; padding: 13px 18px; border: 1px solid var(--gb-line); border-radius: 30px; font-size: 14.5px; font-family: inherit; outline: none; background: var(--gb-white); transition: all .3s var(--gb-ease); }
.gb-searchbar input:focus { border-color: var(--gb-green); box-shadow: 0 0 0 3px rgba(0, 93, 78, .10); }
.gb-searchbar button { flex-shrink: 0; padding: 13px 40px; background: var(--gb-green); color: #fff; border: 0; border-radius: 30px; font-size: 15px; letter-spacing: 2px; cursor: pointer; font-family: inherit; transition: all .3s var(--gb-ease); }
.gb-searchbar button:hover { background: var(--gb-green-dark); }

/* ---------------- 内容盒头部 / 正文排版 ---------------- */
.gb-box-head { display: flex; align-items: baseline; gap: 12px; padding-bottom: 18px; margin-bottom: 26px; border-bottom: 1px solid var(--gb-line); }
.gb-box-head b { font-size: 20px; color: var(--gb-text); position: relative; padding-left: 16px; }
.gb-box-head b::before {
    content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 5px; height: 20px; border-radius: 3px; background: linear-gradient(180deg, var(--gb-green), var(--gb-yellow));
}
.gb-box-head span { font-size: 11.5px; letter-spacing: 3px; color: var(--gb-text3); text-transform: uppercase; }
.neirong h3 { font-size: 18px; color: var(--gb-text); margin: 28px 0 14px; padding-left: 14px; border-left: 4px solid var(--gb-green); line-height: 1.5; }
.neirong h3:first-child { margin-top: 0; }
.neirong ul { margin: 0 0 16px; }
.neirong ul li { position: relative; padding-left: 26px; margin-bottom: 10px; color: var(--gb-text2); }
.neirong ul li::before { content: ""; position: absolute; left: 4px; top: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--gb-green-light); }
.neirong ul li b { color: var(--gb-text); }
.neirong table { width: 100%; border-collapse: collapse; margin: 18px 0 22px; font-size: 14.5px; }
.neirong table th, .neirong table td { border: 1px solid var(--gb-line); padding: 13px 16px; text-align: left; }
.neirong table th { width: 150px; background: var(--gb-bg); color: var(--gb-text); font-weight: bold; white-space: nowrap; }
.neirong table td { color: var(--gb-text2); }

/* ---------------- 侧栏增强 ---------------- */
.gb-page-side { width: 280px; }
.gb-side-card .hd { display: flex; align-items: baseline; gap: 10px; }
.gb-side-card .hd span { font-size: 11px; font-weight: normal; letter-spacing: 2.5px; text-transform: uppercase; opacity: .72; }
.gb-side-card .bd .gb-side-menu > li { position: relative; border-bottom: 1px dashed var(--gb-line); padding: 0; }
.gb-side-card .bd .gb-side-menu > li:last-child { border-bottom: 0; }
.gb-side-card .bd .gb-side-menu > li > a { display: block; padding: 13px 34px 13px 0; color: var(--gb-text); font-size: 15px; white-space: normal; }
.gb-side-card .bd .gb-side-menu > li > a:hover { color: var(--gb-green); padding-left: 6px; }
.gb-side-card .bd .gb-side-menu > li.gb-on > a,
.gb-side-card .bd .gb-side-menu > li.gb-open > a { color: var(--gb-green); font-weight: bold; }
.gb-side-toggle { position: absolute; right: 0; top: 0; width: 40px; height: 48px; cursor: pointer; }
.gb-side-toggle::before, .gb-side-toggle::after {
    content: ""; position: absolute; left: 50%; top: 50%; background: #9fb0ac; border-radius: 2px;
    transform: translate(-50%, -50%); transition: transform .3s var(--gb-ease), opacity .3s;
}
.gb-side-toggle::before { width: 12px; height: 2px; }
.gb-side-toggle::after { width: 2px; height: 12px; }
.gb-side-menu > li.gb-open .gb-side-toggle::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.gb-side-card .bd .gb-side-sub { display: none; padding: 2px 0 12px; }
.gb-side-menu > li.gb-open .gb-side-sub { display: block; }
.gb-side-card .bd .gb-side-sub li { padding: 0; border-bottom: 0; }
.gb-side-card .bd .gb-side-sub li a {
    display: block; padding: 8px 12px; font-size: 14px; color: var(--gb-text2);
    border-left: 2px solid var(--gb-line); margin-bottom: 4px; white-space: normal;
}
.gb-side-card .bd .gb-side-sub li a:hover { color: var(--gb-green); border-left-color: var(--gb-green); background: #f4f9f7; padding-left: 12px; }
.gb-side-card .bd .gb-side-sub li.gb-on a { color: var(--gb-green); font-weight: bold; border-left-color: var(--gb-green); background: #f1f7f5; }

.gb-side-card.gb-side-contact .bd { padding: 22px; }
.gb-side-contact .sc-tel { text-align: center; padding-bottom: 18px; border-bottom: 1px dashed var(--gb-line); }
.gb-side-contact .sc-tel span { display: block; font-size: 12px; color: var(--gb-text3); letter-spacing: 2px; }
.gb-side-contact .sc-tel b { display: block; font-size: 23px; color: var(--gb-green); letter-spacing: 1px; margin-top: 6px; }
.gb-side-contact .sc-list { margin-top: 12px; }
.gb-side-card .bd .gb-side-contact .sc-list li,
.gb-side-card .bd .sc-list li { display: flex; gap: 10px; font-size: 13.5px; padding: 8px 0; border-bottom: 0; }
.gb-side-contact .sc-list .lb { flex-shrink: 0; color: var(--gb-text3); }
.gb-side-contact .sc-list .vl { color: var(--gb-text2); line-height: 1.7; }

.gb-side-cta {
    background: linear-gradient(150deg, var(--gb-green), var(--gb-green-dark)); border-radius: var(--gb-radius);
    padding: 26px 22px; color: #fff; margin-bottom: 26px; position: relative; overflow: hidden;
}
.gb-side-cta::after {
    content: ""; position: absolute; right: -50px; bottom: -60px; width: 170px; height: 170px; border-radius: 50%;
    background: radial-gradient(circle, rgba(239,225,87,.25), transparent 68%);
}
.gb-side-cta b { display: block; font-size: 18px; letter-spacing: 1px; position: relative; z-index: 1; }
.gb-side-cta p { font-size: 13.5px; color: #cfe6e1; margin: 10px 0 18px; line-height: 1.8; position: relative; z-index: 1; }
.gb-side-cta .btn {
    display: block; text-align: center; padding: 12px 0; background: var(--gb-yellow); color: #3f3a00;
    border-radius: 30px; font-weight: bold; font-size: 15px; letter-spacing: 2px; position: relative; z-index: 1;
}
.gb-side-cta .btn:hover { background: #fff; color: var(--gb-green); }

.gb-side-card .bd .gb-side-rec li { padding: 0; border-bottom: 0; margin-bottom: 16px; }
.gb-side-card .bd .gb-side-rec li:last-child { margin-bottom: 0; }
.gb-side-card .bd .gb-side-rec a { display: flex; gap: 12px; align-items: center; white-space: normal; }
.gb-side-card .bd .gb-side-rec a:hover { padding-left: 0; }
.gb-side-rec .pic { width: 76px; height: 58px; flex-shrink: 0; border-radius: 4px; overflow: hidden; background: var(--gb-bg2); }
.gb-side-rec .pic img { width: 100%; height: 100%; object-fit: cover; }
.gb-side-rec .tx { flex: 1; min-width: 0; }
.gb-side-rec .tx b {
    display: block; font-size: 14px; color: var(--gb-text); line-height: 1.55; transition: color .3s;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.gb-side-rec .tx i { display: block; font-style: normal; font-size: 12px; color: var(--gb-text3); margin-top: 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gb-side-card .bd .gb-side-rec a:hover .tx b { color: var(--gb-green); }

/* ---------------- 产品详情 ---------------- */
.gb-pd { display: flex; gap: 34px; background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 26px; margin-bottom: 26px; }
.gb-pd-pic { width: 46%; flex-shrink: 0; }
.gb-pd-pic .main { border: 1px solid var(--gb-line); border-radius: 6px; overflow: hidden; background: var(--gb-bg2); }
.gb-pd-pic .main img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; }
.gb-pd-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px; }
.gb-pd-thumbs i { display: block; position: relative; border-radius: 5px; overflow: hidden; cursor: pointer; }
.gb-pd-thumbs i img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; }
.gb-pd-thumbs i::after { content: ""; position: absolute; inset: 0; border: 2px solid transparent; border-radius: 5px; transition: border-color .3s; }
.gb-pd-thumbs i.gb-on::after { border-color: var(--gb-green); }
.gb-pd-info { flex: 1; min-width: 0; }
.gb-pd-info h1 { font-size: 27px; line-height: 1.4; letter-spacing: 1px; margin-bottom: 14px; }
.gb-pd-info .sub { color: var(--gb-text2); font-size: 14.5px; line-height: 1.95; padding-bottom: 18px; border-bottom: 1px dashed var(--gb-line); }
.gb-pd-info .points { margin: 18px 0 22px; display: grid; gap: 10px; }
.gb-pd-info .points li { position: relative; padding-left: 26px; font-size: 14.5px; color: var(--gb-text2); }
.gb-pd-info .points li::before {
    content: "\2713"; position: absolute; left: 0; top: 2px; width: 18px; height: 18px; line-height: 18px;
    text-align: center; border-radius: 50%; background: linear-gradient(135deg, var(--gb-green), var(--gb-green-light));
    color: #fff; font-size: 11px;
}
.gb-pd-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.gb-pd-actions .btn { display: inline-block; padding: 13px 40px; background: var(--gb-green); color: #fff; border-radius: 40px; font-size: 15px; letter-spacing: 2px; transition: all .3s var(--gb-ease); }
.gb-pd-actions .btn:hover { background: var(--gb-green-dark); color: #fff; box-shadow: 0 12px 26px rgba(0, 93, 78, .28); }
.gb-pd-actions .btn.ghost { background: transparent; border: 1px solid var(--gb-green); color: var(--gb-green); }
.gb-pd-actions .btn.ghost:hover { background: var(--gb-green); color: #fff; }
.gb-pd-tel { margin-top: 20px; padding: 16px 20px; border-radius: 6px; background: var(--gb-bg); display: flex; align-items: baseline; gap: 12px; }
.gb-pd-tel span { font-size: 13px; color: var(--gb-text3); letter-spacing: 1px; }
.gb-pd-tel b { font-size: 22px; color: var(--gb-green); letter-spacing: 1px; }

/* ---------------- 详情封面 / 项目信息 ---------------- */
.gb-case-cover { margin: 0 0 26px; border-radius: 6px; overflow: hidden; }
.gb-case-cover img { width: 100%; display: block; }
.gb-case-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 26px; }
.gb-case-facts .it { background: var(--gb-bg); border-radius: 6px; padding: 16px 18px; }
.gb-case-facts .it b { display: block; font-size: 13px; color: var(--gb-text3); letter-spacing: 1px; margin-bottom: 6px; }
.gb-case-facts .it span { font-size: 14.5px; color: var(--gb-text); line-height: 1.7; }

/* ---------------- 相关推荐 / 底部 CTA ---------------- */
.gb-rel { margin-top: 30px; }
.gb-rel-news { display: grid; grid-template-columns: 1fr; gap: 14px; }
.gb-relcard {
    display: flex; gap: 16px; align-items: center; background: var(--gb-white);
    border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 12px;
    transition: all .4s var(--gb-ease);
}
.gb-relcard:hover { border-color: transparent; box-shadow: var(--gb-shadow-lg); transform: translateY(-3px); }
.gb-relcard .pic { width: 150px; height: 96px; flex-shrink: 0; border-radius: 5px; overflow: hidden; background: var(--gb-bg2); }
.gb-relcard .pic img { width: 100%; height: 100%; object-fit: cover; }
.gb-relcard .tx { flex: 1; min-width: 0; }
.gb-relcard .tx b { display: block; font-size: 15.5px; color: var(--gb-text); transition: color .3s; }
.gb-relcard .tx i {
    display: block; font-style: normal; font-size: 13px; color: var(--gb-text3); margin-top: 8px; line-height: 1.7;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.gb-relcard:hover .tx b { color: var(--gb-green); }
.gb-cta-bar {
    margin-top: 30px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
    padding: 28px 32px; border-radius: var(--gb-radius); color: #fff; position: relative; overflow: hidden;
    background: var(--gb-dark) linear-gradient(120deg, rgba(0,93,78,.94), rgba(3,38,31,.96));
}
.gb-cta-bar .tx b { display: block; font-size: 21px; letter-spacing: 1px; }
.gb-cta-bar .tx span { display: block; font-size: 14px; color: #b9d4cd; margin-top: 8px; }
.gb-cta-bar .btn {
    flex-shrink: 0; display: inline-block; padding: 14px 40px; background: var(--gb-yellow); color: #3f3a00;
    border-radius: 40px; font-weight: bold; letter-spacing: 2px; transition: all .3s var(--gb-ease);
}
.gb-cta-bar .btn:hover { background: #fff; color: var(--gb-green); }

/* ---------------- 单页：企业概况 ---------------- */
.gb-profile { display: flex; gap: 56px; align-items: center; }
.gb-profile .pic { width: 46%; flex-shrink: 0; position: relative; border-radius: var(--gb-radius); overflow: hidden; box-shadow: var(--gb-shadow-lg); }
.gb-profile .pic img { width: 100%; height: 430px; object-fit: cover; display: block; }
.gb-profile .pic .badge { position: absolute; left: 0; bottom: 0; background: rgba(0, 60, 50, .9); color: var(--gb-yellow); padding: 20px 26px; text-align: center; }
.gb-profile .pic .badge b { display: block; font-size: 32px; line-height: 1; }
.gb-profile .pic .badge span { font-size: 12px; color: #cfe6e1; letter-spacing: 2px; }
.gb-profile .tx { flex: 1; min-width: 0; }
.gb-profile .tx .en { display: block; font-size: 12px; letter-spacing: 6px; color: var(--gb-text3); text-transform: uppercase; margin-bottom: 12px; }
.gb-profile .tx h2 { font-size: 34px; line-height: 1.4; letter-spacing: 2px; font-weight: 800; color: var(--gb-text); }
.gb-profile .tx h2 em { font-style: normal; color: var(--gb-green); }
.gb-profile .tx .line { width: 56px; height: 4px; background: var(--gb-green); border-radius: 3px; margin: 20px 0 24px; position: relative; }
.gb-profile .tx .line::after { content: ""; position: absolute; left: 66px; top: 1px; width: 14px; height: 2px; background: var(--gb-gold); }
.gb-profile .tx .neirong { color: var(--gb-text2); font-size: 15px; }
.gb-profile .tx .neirong p { text-align: justify; }
.gb-profile .tx .badges { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 22px; margin: 26px 0 30px; }
.gb-profile .tx .badges li { position: relative; padding-left: 30px; color: var(--gb-text); font-size: 15px; }
.gb-profile .tx .badges li::before {
    content: "\2713"; position: absolute; left: 0; top: 2px; width: 20px; height: 20px; line-height: 20px;
    text-align: center; border-radius: 50%; background: linear-gradient(135deg, var(--gb-green), var(--gb-green-light));
    color: #fff; font-size: 12px;
}
.gb-profile .tx .btn { display: inline-block; padding: 13px 44px; background: var(--gb-green); color: #fff; border-radius: 40px; letter-spacing: 2px; font-size: 15px; }
.gb-profile .tx .btn:hover { background: var(--gb-green-dark); color: #fff; }

/* 企业文化 */
.gb-culture { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.gb-culture .item { background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 40px 30px; position: relative; overflow: hidden; transition: all .4s var(--gb-ease); }
.gb-culture .item:hover { transform: translateY(-8px); box-shadow: var(--gb-shadow-lg); border-color: transparent; }
.gb-culture .item .no { position: absolute; right: 18px; top: 4px; font-size: 62px; font-weight: 800; color: rgba(0, 93, 78, .07); line-height: 1; }
.gb-culture .item b { display: block; font-size: 20px; color: var(--gb-text); letter-spacing: 1px; position: relative; }
.gb-culture .item b::after { content: ""; display: block; width: 32px; height: 3px; background: var(--gb-yellow); border-radius: 2px; margin-top: 12px; }
.gb-culture .item p { color: var(--gb-text2); font-size: 14.5px; line-height: 1.95; position: relative; margin-top: 14px; }

/* 生产实力 */
.gb-strength { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 40px; }
.gb-strength .item { text-align: center; padding: 36px 20px; background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); transition: all .4s var(--gb-ease); }
.gb-strength .item:hover { transform: translateY(-8px); box-shadow: var(--gb-shadow-lg); border-color: transparent; }
.gb-strength .item .ico { width: 68px; height: 68px; margin: 0 auto 18px; border-radius: 50%; background: linear-gradient(135deg, rgba(0,93,78,.10), rgba(0,93,78,.03)); display: flex; align-items: center; justify-content: center; transition: all .4s var(--gb-ease); }
.gb-strength .item:hover .ico { background: linear-gradient(135deg, var(--gb-green), var(--gb-green-light)); }
.gb-strength .item .ico svg { width: 30px; height: 30px; fill: var(--gb-green); transition: fill .4s; }
.gb-strength .item:hover .ico svg { fill: var(--gb-yellow); }
.gb-strength .item b { display: block; font-size: 17px; color: var(--gb-text); margin-bottom: 8px; }
.gb-strength .item span { font-size: 13.5px; color: var(--gb-text3); line-height: 1.7; }
.gb-factory { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.gb-factory .pic { position: relative; border-radius: var(--gb-radius); overflow: hidden; padding-top: 130%; background: var(--gb-bg2); }
.gb-factory .pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--gb-ease); }
.gb-factory .pic:hover img { transform: scale(1.08); }
.gb-factory .pic span { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 16px 14px; background: linear-gradient(transparent, rgba(2, 32, 27, .88)); color: #fff; font-size: 14px; letter-spacing: 1px; }

/* 发展历程 */
.gb-history { position: relative; padding-left: 40px; max-width: 980px; margin: 0 auto; }
.gb-history::before { content: ""; position: absolute; left: 9px; top: 10px; bottom: 10px; width: 2px; background: linear-gradient(180deg, var(--gb-green), rgba(0,93,78,.10)); }
.gb-history .item { position: relative; display: flex; gap: 26px; padding-bottom: 34px; }
.gb-history .item:last-child { padding-bottom: 0; }
.gb-history .item::before {
    content: ""; position: absolute; left: -40px; top: 6px; width: 20px; height: 20px; border-radius: 50%;
    background: var(--gb-white); border: 3px solid var(--gb-green); box-shadow: 0 0 0 5px rgba(0, 93, 78, .08);
}
.gb-history .item .yr { flex-shrink: 0; width: 96px; font-size: 24px; font-weight: 800; color: var(--gb-green); letter-spacing: 1px; }
.gb-history .item .ct { flex: 1; background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 20px 24px; transition: all .4s var(--gb-ease); }
.gb-history .item .ct:hover { box-shadow: var(--gb-shadow); border-color: #cde0da; }
.gb-history .item .ct b { display: block; font-size: 17px; color: var(--gb-text); margin-bottom: 8px; }
.gb-history .item .ct p { color: var(--gb-text2); font-size: 14.5px; line-height: 1.9; }

/* ---------------- 单页：联系我们 ---------------- */
.gb-contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 30px; }
.gb-contact-cards .item { background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 32px 22px; text-align: center; transition: all .4s var(--gb-ease); position: relative; overflow: hidden; }
.gb-contact-cards .item::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--gb-green), var(--gb-yellow)); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--gb-ease); }
.gb-contact-cards .item:hover { transform: translateY(-8px); box-shadow: var(--gb-shadow-lg); border-color: transparent; }
.gb-contact-cards .item:hover::before { transform: scaleX(1); }
.gb-contact-cards .item .ico { width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 50%; background: linear-gradient(135deg, rgba(0,93,78,.10), rgba(0,93,78,.03)); display: flex; align-items: center; justify-content: center; transition: all .4s var(--gb-ease); }
.gb-contact-cards .item:hover .ico { background: linear-gradient(135deg, var(--gb-green), var(--gb-green-light)); }
.gb-contact-cards .item .ico svg { width: 27px; height: 27px; fill: var(--gb-green); transition: fill .4s; }
.gb-contact-cards .item:hover .ico svg { fill: var(--gb-yellow); }
.gb-contact-cards .item b { display: block; font-size: 13px; color: var(--gb-text3); letter-spacing: 2px; margin-bottom: 10px; }
.gb-contact-cards .item .val { display: block; font-size: 17px; color: var(--gb-text); font-weight: bold; line-height: 1.55; word-break: break-all; }
.gb-contact-cards .item a.val:hover { color: var(--gb-green); }
.gb-contact-cards .item i { display: block; font-style: normal; font-size: 12.5px; color: var(--gb-text3); margin-top: 10px; }

.gb-contact-main { display: grid; grid-template-columns: 1fr; gap: 30px; align-items: start; }
.gb-form-box { background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); overflow: hidden; }
.gb-form-box .hd { padding: 22px 26px; background: linear-gradient(120deg, var(--gb-green), var(--gb-green-light)); color: #fff; }
.gb-form-box .hd b { display: block; font-size: 19px; letter-spacing: 2px; }
.gb-form-box .hd span { display: block; font-size: 13px; color: rgba(255,255,255,.82); margin-top: 6px; }
.gb-form { padding: 26px; }
.gb-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.gb-form label { display: block; font-size: 14px; color: var(--gb-text2); margin-bottom: 18px; }
.gb-form label i { font-style: normal; color: #e05252; margin-left: 4px; }
.gb-form input, .gb-form select, .gb-form textarea {
    display: block; width: 100%; margin-top: 8px; padding: 12px 15px; border: 1px solid var(--gb-line);
    border-radius: 6px; font-size: 14.5px; font-family: inherit; color: var(--gb-text); background: #fbfcfc;
    outline: none; transition: all .3s var(--gb-ease);
}
.gb-form textarea { resize: vertical; line-height: 1.8; }
.gb-form input:focus, .gb-form select:focus, .gb-form textarea:focus { border-color: var(--gb-green); background: #fff; box-shadow: 0 0 0 3px rgba(0, 93, 78, .10); }
.gb-form .acts { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.gb-form .btn { padding: 13px 46px; background: var(--gb-green); color: #fff; border: 0; border-radius: 40px; font-size: 15px; letter-spacing: 2px; cursor: pointer; font-family: inherit; transition: all .3s var(--gb-ease); }
.gb-form .btn:hover { background: var(--gb-green-dark); box-shadow: 0 12px 26px rgba(0, 93, 78, .28); }
.gb-form .tip { font-size: 13.5px; color: var(--gb-green); line-height: 1.7; }
.gb-form .tip.err { color: #d9534f; }
.gb-form .tip.ok { color: #2e9e6b; }
.gb-form .note { font-size: 12.5px; color: var(--gb-text3); margin-top: 16px; line-height: 1.8; }

.gb-map-box { background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); overflow: hidden; }
.gb-map-box .map { position: relative; line-height: 0; }
.gb-map-box .map svg { width: 100%; height: 250px; display: block; }
.gb-map-box .map .pin {
    position: absolute; left: 50%; top: 50%; transform: translate(-50%, -170%);
    background: var(--gb-green); color: #fff; font-size: 12.5px; padding: 6px 14px; border-radius: 20px;
    white-space: nowrap; box-shadow: 0 8px 20px rgba(0, 60, 50, .3);
}
.gb-map-box .map .pin::after { content: ""; position: absolute; left: 50%; bottom: -5px; transform: translateX(-50%); border: 5px solid transparent; border-top-color: var(--gb-green); border-bottom: 0; }
.gb-map-box .addr { padding: 22px 24px; }
.gb-map-box .addr b { display: block; font-size: 16px; color: var(--gb-text); margin-bottom: 10px; }
.gb-map-box .addr p { font-size: 14px; color: var(--gb-text2); line-height: 1.9; margin-bottom: 18px; }
.gb-map-box .addr .acts { display: flex; gap: 12px; flex-wrap: wrap; }
.gb-map-box .addr .btn { display: inline-block; padding: 11px 28px; background: var(--gb-green); color: #fff; border-radius: 40px; font-size: 14px; letter-spacing: 1px; }
.gb-map-box .addr .btn.ghost { background: transparent; border: 1px solid var(--gb-green); color: var(--gb-green); }
.gb-map-box .addr .btn:hover { background: var(--gb-green-dark); color: #fff; }
.gb-map-box .addr .btn.ghost:hover { background: var(--gb-green); color: #fff; }

.gb-steps { margin-top: 34px; background: var(--gb-bg); border-radius: var(--gb-radius); padding: 34px 30px; }
.gb-steps .hd { font-size: 20px; font-weight: bold; color: var(--gb-text); margin-bottom: 26px; display: flex; align-items: baseline; gap: 12px; }
.gb-steps .hd small { font-size: 11.5px; font-weight: normal; letter-spacing: 3px; color: var(--gb-text3); text-transform: uppercase; }
.gb-steps .bd { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.gb-steps .item { background: var(--gb-white); border-radius: var(--gb-radius); padding: 24px 22px; }
.gb-steps .item .no { display: inline-block; font-size: 13px; font-weight: bold; color: #fff; background: var(--gb-green); width: 30px; height: 30px; line-height: 30px; text-align: center; border-radius: 50%; margin-bottom: 14px; }
.gb-steps .item b { display: block; font-size: 16px; color: var(--gb-text); margin-bottom: 8px; }
.gb-steps .item p { font-size: 13.5px; color: var(--gb-text2); line-height: 1.8; }

/* ---------------- 单页：招商加盟 ---------------- */
.gb-adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.gb-adv-grid .item { background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 38px 28px; transition: all .4s var(--gb-ease); position: relative; overflow: hidden; }
.gb-adv-grid .item::before {
    content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--gb-green), var(--gb-yellow));
    transform: scaleX(0); transform-origin: left; transition: transform .45s var(--gb-ease);
}
.gb-adv-grid .item:hover { transform: translateY(-8px); box-shadow: var(--gb-shadow-lg); border-color: transparent; }
.gb-adv-grid .item:hover::before { transform: scaleX(1); }
.gb-adv-grid .item .ico { width: 60px; height: 60px; margin-bottom: 20px; border-radius: 16px; background: linear-gradient(135deg, rgba(0,93,78,.10), rgba(0,93,78,.03)); display: flex; align-items: center; justify-content: center; transition: all .4s var(--gb-ease); }
.gb-adv-grid .item:hover .ico { background: linear-gradient(135deg, var(--gb-green), var(--gb-green-light)); }
.gb-adv-grid .item .ico svg { width: 28px; height: 28px; fill: var(--gb-green); transition: fill .4s; }
.gb-adv-grid .item:hover .ico svg { fill: var(--gb-yellow); }
.gb-adv-grid .item b { display: block; font-size: 18px; color: var(--gb-text); margin-bottom: 10px; }
.gb-adv-grid .item span { font-size: 14px; color: var(--gb-text2); line-height: 1.9; }

.gb-join-policy { margin-top: 40px; background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 34px 32px; }
.gb-join-policy .hd { font-size: 20px; font-weight: bold; color: var(--gb-text); display: flex; align-items: baseline; gap: 12px; margin-bottom: 26px; }
.gb-join-policy .hd small { font-size: 11.5px; font-weight: normal; letter-spacing: 3px; color: var(--gb-text3); text-transform: uppercase; }
.gb-join-policy .bd { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.gb-join-policy .it { border-left: 3px solid var(--gb-yellow); padding-left: 18px; }
.gb-join-policy .it b { display: block; font-size: 16px; color: var(--gb-text); margin-bottom: 8px; }
.gb-join-policy .it p { font-size: 13.5px; color: var(--gb-text2); line-height: 1.85; }

.gb-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.gb-flow .item { background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 30px 20px; text-align: center; position: relative; transition: all .4s var(--gb-ease); }
.gb-flow .item:hover { transform: translateY(-8px); box-shadow: var(--gb-shadow-lg); border-color: transparent; }
.gb-flow .item .no { display: block; font-size: 30px; font-weight: 800; color: rgba(0,93,78,.14); line-height: 1; margin-bottom: 12px; }
.gb-flow .item b { display: block; font-size: 16.5px; color: var(--gb-text); margin-bottom: 10px; }
.gb-flow .item p { font-size: 13px; color: var(--gb-text3); line-height: 1.8; }
.gb-flow .item::after {
    content: ""; position: absolute; right: -14px; top: 50%; width: 8px; height: 8px;
    border-top: 2px solid var(--gb-green); border-right: 2px solid var(--gb-green);
    transform: translateY(-50%) rotate(45deg); opacity: .45;
}
.gb-flow .item:last-child::after { display: none; }

.gb-join-bottom { display: grid; grid-template-columns: 1fr 1.35fr; gap: 30px; align-items: start; margin-top: 70px; }
.gb-join-qual { background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 30px 28px; }
.gb-join-qual .hd { font-size: 19px; font-weight: bold; color: var(--gb-text); display: flex; align-items: baseline; gap: 12px; margin-bottom: 22px; }
.gb-join-qual .hd small { font-size: 11.5px; font-weight: normal; letter-spacing: 3px; color: var(--gb-text3); text-transform: uppercase; }
.gb-join-qual ul li { position: relative; padding-left: 30px; margin-bottom: 16px; color: var(--gb-text2); font-size: 14.5px; line-height: 1.85; }
.gb-join-qual ul li::before {
    content: "\2713"; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; line-height: 20px;
    text-align: center; border-radius: 50%; background: linear-gradient(135deg, var(--gb-green), var(--gb-green-light));
    color: #fff; font-size: 12px;
}

/* ---------------- 栏目简介盒 ---------------- */
.gb-cat-intro { background: var(--gb-white); border: 1px solid var(--gb-line); border-radius: var(--gb-radius); padding: 30px 32px; margin-bottom: 46px; }
.gb-cat-intro .hd { font-size: 19px; font-weight: bold; color: var(--gb-text); display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px; }
.gb-cat-intro .hd small { font-size: 11.5px; font-weight: normal; letter-spacing: 3px; color: var(--gb-text3); text-transform: uppercase; }

/* ---------------- 页脚补充 ---------------- */
.gb-foot-qr { display: flex; align-items: center; gap: 14px; margin-top: 22px; }
.gb-foot-qr .qr { width: 150px; height: 150px; flex-shrink: 0; background: #fff; padding: 4px; border-radius: 6px; display: block; }
.gb-foot-qr .qr svg { width: 100%; height: 100%; display: block; }
.gb-foot-qr .qr img { width: 100%; height: 100%; display: block; object-fit: contain; }
.gb-foot-qr .tx b { display: block; color: var(--gb-white); font-size: 14px; }
.gb-foot-qr .tx i { display: block; font-style: normal; font-size: 12.5px; color: #7a948e; margin-top: 5px; }
.gb-foot-nav { border-top: 1px solid rgba(255,255,255,.07); padding: 20px 0; }
.gb-foot-nav .gb-container { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px; }
.gb-foot-nav .lb { font-size: 13px; color: var(--gb-yellow); letter-spacing: 2px; }
.gb-foot-nav a { font-size: 13.5px; color: #93b2ab; position: relative; padding-right: 18px; }
.gb-foot-nav a::after { content: ""; position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 1px; height: 11px; background: rgba(255,255,255,.10); }
.gb-foot-nav a:last-child::after { display: none; }
.gb-foot-nav a:hover { color: var(--gb-yellow); }

/* ---------------- 顶栏搜索 ---------------- */
.gb-topbar .right { display: flex; align-items: center; gap: 22px; }
.gb-search { display: flex; align-items: center; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.10); border-radius: 30px; padding: 3px 4px 3px 16px; transition: all .3s var(--gb-ease); }
.gb-search:focus-within { background: rgba(255,255,255,.13); border-color: rgba(239,225,87,.45); }
.gb-search input { width: 168px; background: none; border: 0; outline: none; color: #dfeee9; font-size: 13px; font-family: inherit; height: 26px; }
.gb-search input::placeholder { color: #7fa79e; }
.gb-search button { width: 28px; height: 28px; border: 0; background: none; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.gb-search button svg { width: 15px; height: 15px; fill: #a8c4bd; transition: fill .3s; }
.gb-search button:hover svg { fill: var(--gb-yellow); }

/* ---------------- 手机端抽屉内搜索 ---------------- */
.gb-m-nav .m-search { padding: 14px 22px; border-bottom: 1px solid var(--gb-line); background: #f7faf9; }
.gb-m-nav .m-search input { width: 100%; padding: 10px 14px; border: 1px solid var(--gb-line); border-radius: 30px; font-size: 14px; font-family: inherit; outline: none; }

/* ========================= 响应式 ========================= */
@media (max-width: 1200px) {
    .gb-container { padding: 0 20px; }
    .gb-slide-txt .t1 { font-size: 48px; }
    .gb-sec-head h2 { font-size: 34px; }
    .gb-network .n-right { width: 380px; }
    .gb-pro-grid { grid-template-columns: repeat(3, 1fr); }
    .gb-cert-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 992px) {
    .gb-header .gb-container { height: 80px; }
    .gb-nav > ul > li > a { padding: 0 14px; font-size: 15px; line-height: 80px; }
    .gb-header.gb-sticky .gb-nav > ul > li > a { line-height: 74px; }
    .gb-head-tel { display: none; }
    .gb-banner { height: clamp(420px, 62vh, 560px); }
    .gb-slide-txt .t1 { font-size: 38px; letter-spacing: 3px; }
    .gb-slide-txt .t2 { font-size: 14px; letter-spacing: 4px; margin: 14px 0 28px; }
    .gb-section { padding: 72px 0; }
    .gb-sec-head { margin-bottom: 46px; }
    .gb-sec-head h2 { font-size: 30px; }
    .gb-quick { margin-top: -50px; }
    .gb-quick-in { grid-template-columns: repeat(2, 1fr); }
    .gb-quick .q-item:nth-child(2) { border-right: 0; }
    .gb-quick .q-item:nth-child(1), .gb-quick .q-item:nth-child(2) { border-bottom: 1px solid var(--gb-line); }
    .gb-stats-in { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
    .gb-stats .s-item:nth-child(3)::before { display: none; }
    .gb-about { gap: 36px; }
    .gb-about .pic img { height: 360px; }
    .gb-about h3 { font-size: 26px; }
    .gb-network .gb-container { flex-direction: column; gap: 46px; }
    .gb-network .n-right { width: 100%; max-width: 460px; }
    .gb-case-grid { grid-template-columns: repeat(2, 1fr); }
    .gb-news-grid { grid-template-columns: repeat(2, 1fr); }
    .gb-adv { grid-template-columns: repeat(2, 1fr); }
    .gb-cert-grid { grid-template-columns: repeat(2, 1fr); }
    .gb-footer .top { grid-template-columns: 1fr 1fr; gap: 36px; }
    .gb-page-side, .gb-pro-side { width: 210px; }
    .gb-join .gb-container { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 768px) {
    body { font-size: 14.5px; }
    .gb-topbar { display: none; }
    .gb-header .gb-container, .gb-header.gb-sticky .gb-container { height: 62px; }
    .gb-logo img { max-height: 44px; }
    .gb-header.gb-sticky .gb-logo img { max-height: 40px; }
    .gb-logo-text { font-size: 19px; letter-spacing: 1px; }
    .gb-logo-text small { letter-spacing: 3px; }
    .gb-nav { display: none; }
    .gb-menu-btn { display: block; }
    .gb-m-nav {
        display: block; position: fixed; top: 0; right: -82%; width: 82%; max-width: 330px;
        height: 100%; background: var(--gb-white); z-index: 999; transition: right .35s var(--gb-ease); overflow-y: auto;
    }
    .gb-m-nav.gb-open { right: 0; }
    .gb-m-nav .m-hd { background: linear-gradient(120deg, var(--gb-green), var(--gb-green-light)); color: var(--gb-white); padding: 18px 22px; font-size: 16px; display: flex; justify-content: space-between; align-items: center; }
    .gb-m-nav .m-hd .x { font-size: 24px; cursor: pointer; line-height: 1; }
    .gb-m-nav ul li { border-bottom: 1px solid var(--gb-line); }
    .gb-m-nav ul li a { display: block; padding: 15px 22px; color: var(--gb-text); font-size: 15px; }
    .gb-m-nav ul li ul { background: #f5f9f8; }
    .gb-m-nav ul li ul li a { padding-left: 40px; font-size: 14px; color: var(--gb-text2); }
    .gb-banner { height: 420px; }
    .gb-slide-txt .tag { font-size: 11px; letter-spacing: 3px; padding: 5px 14px; margin-bottom: 16px; }
    .gb-slide-txt .t1 { font-size: 26px; letter-spacing: 2px; }
    .gb-slide-txt .t2 { font-size: 11.5px; letter-spacing: 2px; margin: 10px 0 22px; }
    .gb-slide-txt .btn { padding: 11px 28px; font-size: 14px; }
    .gb-banner-arrow { display: none; }
    .gb-banner-dots { bottom: 18px; }
    .gb-quick { margin-top: 0; padding-bottom: 0; }
    .gb-quick-in { grid-template-columns: 1fr; border-radius: 0; box-shadow: none; border-top: 1px solid var(--gb-line); }
    .gb-quick .q-item { padding: 20px 22px; border-right: 0; border-bottom: 1px solid var(--gb-line); }
    .gb-quick .q-item .qi { width: 44px; height: 44px; }
    .gb-quick .q-item .qi svg { width: 22px; height: 22px; }
    .gb-quick .q-item b { font-size: 16px; }
    .gb-section { padding: 52px 0; }
    .gb-sec-head { margin-bottom: 34px; }
    .gb-sec-head .en { letter-spacing: 4px; font-size: 12px; }
    .gb-sec-head h2 { font-size: 25px; letter-spacing: 2px; }
    .gb-sec-head p { font-size: 13.5px; margin-top: 12px; }
    .gb-stats { padding: 46px 0; }
    .gb-stats .num { font-size: 34px; }
    .gb-stats .num em { font-size: 15px; }
    .gb-stats .lb { font-size: 13px; margin-top: 8px; }
    .gb-tabs { gap: 8px; margin-bottom: 30px; }
    .gb-tabs a { padding: 9px 20px; font-size: 14px; }
    .gb-pro-wrap { flex-direction: column; gap: 20px; }
    .gb-pro-side { width: 100%; }
    .gb-pro-side ul { display: flex; flex-wrap: wrap; }
    .gb-pro-side li { width: 50%; }
    .gb-pro-side li a { padding: 12px 16px; font-size: 14px; }
    .gb-pro-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .gb-pro-card .name { font-size: 15px; padding: 14px 8px; }
    .gb-about { flex-direction: column; gap: 26px; }
    .gb-about .pic { width: 100%; }
    .gb-about .pic img { height: 260px; }
    .gb-about .pic .year { padding: 14px 18px; }
    .gb-about .pic .year b { font-size: 24px; }
    .gb-about h3 { font-size: 22px; }
    .gb-about p { font-size: 14.5px; }
    .gb-about ul { grid-template-columns: 1fr; margin: 20px 0 26px; gap: 12px; }
    .gb-join .gb-container { padding-top: 52px; padding-bottom: 52px; }
    .gb-join .txt h3 { font-size: 26px; letter-spacing: 3px; }
    .gb-join .txt p { font-size: 14.5px; }
    .gb-join .btn { padding: 14px 40px; font-size: 15px; width: 100%; text-align: center; }
    .gb-case-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .gb-case-card { padding-top: 120%; }
    .gb-case-card .cap { font-size: 15px; padding: 30px 14px 14px; }
    .gb-network h2 { font-size: 25px; }
    .gb-network p { font-size: 14.5px; }
    .gb-network .region span { padding: 7px 16px; font-size: 13px; }
    .gb-adv { grid-template-columns: 1fr; gap: 16px; }
    .gb-adv .item { padding: 30px 20px; }
    .gb-cert-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .gb-cert-card { padding: 24px 12px; }
    .gb-news-grid { grid-template-columns: 1fr; gap: 20px; }
    .gb-news-card .bd { padding: 18px 18px 22px; }
    .gb-news-card .bd h3 { font-size: 16.5px; }
    .gb-more-btn { margin-top: 34px; }
    .gb-more-btn a { padding: 12px 38px; font-size: 14px; }
    .gb-footer .top { grid-template-columns: 1fr; gap: 32px; padding: 52px 0 36px; }
    .gb-footer h4 { margin-bottom: 18px; font-size: 17px; }
    .gb-page-banner { padding: 60px 0; }
    .gb-page-banner h1 { font-size: 25px; letter-spacing: 3px; }
    .gb-page-main { padding: 40px 0 64px; }
    .gb-page-row { flex-direction: column; }
    .gb-page-side { width: 100%; }
    .gb-art-list .item { flex-direction: column; gap: 16px; padding: 16px; }
    .gb-art-list .item .pic { width: 100%; height: 200px; }
    .gb-art-list .item .bd h3 { font-size: 17px; }
    .gb-pro-show { flex-direction: column; gap: 22px; padding: 20px; }
    .gb-pro-show .pic { width: 100%; }
    .gb-pro-show .info h1 { font-size: 21px; }
    .gb-content-box { padding: 24px 18px; }
    .gb-content-box h1.gb-tt { font-size: 20px; }
    .gb-prevnext { flex-direction: column; gap: 12px; }
    .gb-backtop { right: 14px; bottom: 20px; width: 44px; height: 44px; }
}
@media (max-width: 480px) {
    .gb-slide-txt .t1 { font-size: 22px; }
    .gb-slide-txt .btns { gap: 10px; }
    .gb-slide-txt .btn { padding: 10px 20px; font-size: 13px; letter-spacing: 1px; }
    .gb-banner { height: 380px; }
    .gb-cert-grid { grid-template-columns: 1fr; }
    .gb-pro-side li { width: 100%; }
}

/* ========================= v3 内页响应式 ========================= */
@media (max-width: 1200px) {
    .gb-plist, .gb-plist-3 { grid-template-columns: repeat(3, 1fr); }
    .gb-contact-cards { grid-template-columns: repeat(2, 1fr); }
    .gb-strength, .gb-factory { grid-template-columns: repeat(2, 1fr); }
    .gb-join-policy .bd { grid-template-columns: repeat(2, 1fr); }
    .gb-flow { grid-template-columns: repeat(3, 1fr); }
    .gb-flow .item::after { display: none; }
    .gb-profile { gap: 40px; }
    .gb-profile .tx h2 { font-size: 29px; }
    .gb-search input { width: 130px; }
}
@media (max-width: 992px) {
    .gb-page-side { width: 240px; }
    .gb-plist, .gb-plist-3 { grid-template-columns: repeat(2, 1fr); }
    .gb-clist-3 { grid-template-columns: repeat(2, 1fr); }
    .gb-catcards { grid-template-columns: repeat(2, 1fr); }
    .gb-culture { grid-template-columns: 1fr; }
    .gb-adv-grid { grid-template-columns: repeat(2, 1fr); }
    .gb-contact-main { grid-template-columns: 1fr; }
    .gb-join-bottom { grid-template-columns: 1fr; margin-top: 50px; }
    .gb-steps .bd { grid-template-columns: repeat(2, 1fr); }
    .gb-strength { grid-template-columns: repeat(2, 1fr); }
    .gb-nrow .pic { width: 200px; height: 132px; }
    .gb-profile { flex-direction: column; gap: 30px; }
    .gb-profile .pic { width: 100%; }
    .gb-profile .pic img { height: 340px; }
    .gb-search { display: none; }
}
@media (max-width: 768px) {
    .gb-page-side { display: none; }
    .gb-page-banner { padding: 52px 0 44px; }
    .gb-page-banner h1 { font-size: 25px; letter-spacing: 3px; }
    .gb-page-banner .en { font-size: 11px; letter-spacing: 4px; margin-bottom: 10px; }
    .gb-page-banner .line { margin: 13px auto 12px; }
    .gb-subnav-in { padding: 12px 0; gap: 6px; }
    .gb-subnav a { padding: 7px 15px; font-size: 13px; }
    .gb-page-main { padding: 32px 0 56px; }
    .gb-list-head { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 22px; }
    .gb-list-head h2 { font-size: 20px; }
    .gb-list-head h2 small { font-size: 12px; margin-top: 6px; }
    .gb-catcards { grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 30px; }
    .gb-catcard .tx { padding: 13px 14px 15px; }
    .gb-catcard .tx b { font-size: 15px; }
    .gb-plist, .gb-plist-3 { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .gb-pcard .bd { padding: 14px 14px 16px; }
    .gb-pcard .bd b { font-size: 15px; min-height: 0; }
    .gb-pcard .bd i, .gb-pcard .bd em { display: none; }
    .gb-clist, .gb-clist-3 { grid-template-columns: 1fr; gap: 16px; }
    .gb-ccard { padding-top: 68%; }
    .gb-ccard .cap { padding: 40px 16px 16px; }
    .gb-ccard .cap b { font-size: 15.5px; }
    .gb-nrow { flex-wrap: wrap; gap: 14px; padding: 14px; }
    .gb-nrow .date { flex-basis: 100%; width: auto; flex-direction: row; gap: 2px; align-items: baseline; padding: 0 2px; border-radius: 0; order: 3; background: none; color: var(--gb-text3); }
    .gb-nrow .date b { order: 2; font-size: 13px; font-weight: 700; color: var(--gb-green); }
    .gb-nrow .date i { order: 1; margin-top: 0; opacity: 1; font-size: 12.5px; color: var(--gb-text3); letter-spacing: 0; }
    .gb-nrow .date i::after { content: "."; }
    .gb-nrow .pic { width: 116px; height: 86px; }
    .gb-nrow .bd b { font-size: 15.5px; }
    .gb-nrow .bd i { display: none; }
    .gb-nrow .bd em { margin-top: 8px; font-size: 12.5px; }
    .gb-pd { flex-direction: column; gap: 20px; padding: 18px; }
    .gb-pd-pic { width: 100%; }
    .gb-pd-info h1 { font-size: 20px; }
    .gb-pd-actions .btn { padding: 11px 28px; font-size: 14px; }
    .gb-pd-tel { flex-direction: column; gap: 4px; }
    .gb-pd-tel b { font-size: 19px; }
    .gb-case-facts { grid-template-columns: 1fr; }
    .gb-cta-bar { flex-direction: column; align-items: flex-start; gap: 18px; padding: 22px 20px; }
    .gb-cta-bar .tx b { font-size: 18px; }
    .gb-cta-bar .btn { width: 100%; text-align: center; }
    .gb-profile .pic img { height: 250px; }
    .gb-profile .tx h2 { font-size: 23px; }
    .gb-profile .tx .badges { grid-template-columns: 1fr; gap: 12px; }
    .gb-culture .item { padding: 28px 22px; }
    .gb-culture .item .no { font-size: 48px; }
    .gb-strength, .gb-factory { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .gb-strength .item { padding: 24px 14px; }
    .gb-factory .pic { padding-top: 120%; }
    .gb-strength .item .ico { width: 54px; height: 54px; margin-bottom: 12px; }
    .gb-strength .item .ico svg { width: 24px; height: 24px; }
    .gb-history { padding-left: 28px; }
    .gb-history .item { gap: 14px; padding-bottom: 22px; }
    .gb-history .item::before { left: -28px; width: 15px; height: 15px; }
    .gb-history .item .yr { width: 62px; font-size: 18px; }
    .gb-history .item .ct { padding: 15px 16px; }
    .gb-contact-cards { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .gb-contact-cards .item { padding: 24px 14px; }
    .gb-contact-cards .item .val { font-size: 15px; }
    .gb-form { padding: 20px; }
    .gb-form .row { grid-template-columns: 1fr; gap: 0; }
    .gb-form .btn { width: 100%; }
    .gb-map-box .map svg { height: 190px; }
    .gb-steps { padding: 24px 18px; }
    .gb-steps .bd { grid-template-columns: 1fr; gap: 14px; }
    .gb-adv-grid { grid-template-columns: 1fr; gap: 14px; }
    .gb-adv-grid .item { padding: 26px 20px; }
    .gb-join-policy { padding: 24px 18px; }
    .gb-join-policy .bd { grid-template-columns: 1fr; gap: 18px; }
    .gb-flow { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .gb-flow .item { padding: 22px 14px; }
    .gb-cat-intro { padding: 22px 18px; margin-bottom: 30px; }
    .gb-relcard .pic { width: 110px; height: 78px; }
    .gb-relcard .tx b { font-size: 14.5px; }
    .gb-relcard .tx i { display: none; }
    .gb-content-box { padding: 22px 16px; }
    .gb-box-head b { font-size: 17px; }
    .gb-box-head { margin-bottom: 18px; }
    .neirong h3 { font-size: 16px; }
    .neirong table th { width: 102px; padding: 10px 12px; font-size: 13.5px; }
    .neirong table td { padding: 10px 12px; font-size: 13.5px; }
    .gb-foot-nav .gb-container { gap: 6px 14px; }
    .gb-foot-qr .qr { width: 100px; height: 100px; }
}
@media (max-width: 480px) {
    .gb-catcards { grid-template-columns: 1fr; }
    .gb-strength, .gb-factory, .gb-steps .bd, .gb-flow, .gb-contact-cards { grid-template-columns: 1fr; }
    .gb-nrow .pic { width: 100%; height: 170px; }
}

/* ---------------- 首页产品中心（对标目标站样式） ---------------- */
.gb-prod-sec { background: #fff; }
.gb-prod-sec .gb-sec-head { margin-bottom: 0; }
.gb-prod-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 30px; background: transparent; }
.gb-prod-tabs a { flex: 0 0 auto; text-align: center; padding: 12px 28px; font-size: 16px; color: var(--gb-text2); background: #fff; border: 1px solid #e4eae7; border-radius: 999px; white-space: nowrap; transition: all .25s var(--gb-ease); }
.gb-prod-tabs a:hover { color: var(--gb-green); border-color: var(--gb-green); }
.gb-prod-tabs a.gb-on { background: var(--gb-green); border-color: var(--gb-green); color: #fff; }
.gb-prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 20px; }
.gb-prod-card { display: block; background: #fff; }
.gb-prod-card .pic { position: relative; overflow: hidden; aspect-ratio: 600 / 380; }
.gb-prod-card .pic img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s var(--gb-ease); }
.gb-prod-card:hover .pic img { transform: scale(1.05); }
.gb-prod-card .name { display: block; text-align: center; padding: 13px 10px; font-size: 14.5px; color: var(--gb-text2); transition: color .25s var(--gb-ease); }
.gb-prod-card:hover .name { color: var(--gb-green); }
@media (max-width: 900px) {
    .gb-prod-grid { grid-template-columns: repeat(2, 1fr); }
    .gb-prod-tabs a { padding: 10px 16px; font-size: 13.5px; gap: 10px; }
}
@media (max-width: 600px) {
    .gb-prod-grid { grid-template-columns: 1fr; }
    .gb-prod-tabs a { flex: 0 0 auto; padding: 9px 14px; font-size: 13px; }
}

/* ================= v3.1 头部导航防换行修复 =================
   现象：窗口较窄时导航文字换行（行高96px×2行）撑爆页头，与顶栏/banner重叠。
   方案：链接文字禁止换行 + 收紧左右内距，空间不足时分段隐藏电话块。 */
.gb-nav { min-width: 0; }
.gb-nav > ul { flex-wrap: nowrap; }
.gb-nav > ul > li { flex-shrink: 0; }
.gb-nav > ul > li > a { white-space: nowrap; padding: 0 25px; font-size: 20px; }
.gb-logo, .gb-head-tel { flex-shrink: 0; }
@media (max-width: 1280px) {
    .gb-nav > ul > li > a { padding: 0 10px; font-size: 15px; }
    .gb-head-tel { display: none; }
}


/* ================= v3.3 联系我们（大气版 · 单栏全宽） =================
   深绿渐变横幅(公司名+三栏联系信息) → 深色热线强调条 → 大标题留言区 */
.gb-chero { position: relative; overflow: hidden; padding: 92px 0 74px; text-align: center; background: linear-gradient(155deg, var(--gb-green-dark) 0%, var(--gb-green) 55%, var(--gb-green-light) 130%); }
.gb-chero::before, .gb-chero::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,.045); }
.gb-chero::before { width: 460px; height: 460px; top: -220px; left: -140px; }
.gb-chero::after { width: 620px; height: 620px; bottom: -340px; right: -200px; }
.gb-chero .gb-container { position: relative; z-index: 1; }
.gb-chero .eyebrow { margin: 0 0 20px; font-size: 13px; font-weight: 700; letter-spacing: 8px; color: var(--gb-yellow); }
.gb-chero .cn { margin: 0 0 16px; font-size: 46px; font-weight: 800; letter-spacing: 8px; color: #fff; }
.gb-chero .en { margin: 0 0 56px; font-size: 14px; letter-spacing: 5px; text-transform: uppercase; color: rgba(255,255,255,.5); }
.gb-chero .info { display: flex; justify-content: center; }
.gb-chero .item { display: flex; align-items: center; gap: 16px; flex: 1; max-width: 360px; padding: 0 34px; text-align: left; }
.gb-chero .item + .item { border-left: 1px solid rgba(255,255,255,.14); }
.gb-chero .ico { display: flex; align-items: center; justify-content: center; width: 54px; height: 54px; border-radius: 50%; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.2); flex-shrink: 0; }
.gb-chero .ico svg { width: 24px; height: 24px; fill: var(--gb-yellow); }
.gb-chero .tx i { display: block; margin-bottom: 5px; font-style: normal; font-size: 12.5px; letter-spacing: 2px; color: rgba(255,255,255,.52); }
.gb-chero .tx a, .gb-chero .tx span { display: block; font-size: 17px; font-weight: 600; line-height: 1.5; color: #fff; }
.gb-chero .tx a:hover { color: var(--gb-yellow); }
.gb-hotline { background: var(--gb-dark2); }
.gb-hotline .gb-container { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px 20px; padding: 20px 0; }
.gb-hotline .lb { font-size: 14px; letter-spacing: 3px; color: rgba(255,255,255,.55); }
.gb-hotline .num { font-size: 26px; font-weight: 800; letter-spacing: 1px; color: var(--gb-yellow); }
.gb-hotline .num:hover { color: #fff; }
.gb-hotline .sep { width: 1px; height: 22px; background: rgba(255,255,255,.18); }
.gb-hotline .tip2 { font-size: 13px; letter-spacing: 1px; color: rgba(255,255,255,.45); }
.gb-online { padding: 84px 0 100px; }
.gb-online h2 { margin: 0 0 14px; text-align: center; font-size: 34px; font-weight: 800; letter-spacing: 3px; color: var(--gb-green-dark); }
.gb-online > h2 em { font-style: normal; background: linear-gradient(transparent 64%, var(--gb-yellow) 64%); padding: 0 3px; }
.gb-online .sub { margin: 0 0 48px; text-align: center; font-size: 14.5px; letter-spacing: 1px; color: var(--gb-text3); }
.gb-online .gb-form-box { max-width: 860px; margin: 0 auto; padding: 42px 46px 36px; border: 1px solid var(--gb-line); border-top: 4px solid var(--gb-green); box-shadow: var(--gb-shadow-lg); }
@media (max-width: 768px) {
    .gb-chero { padding: 54px 0 44px; }
    .gb-chero .eyebrow { margin-bottom: 12px; font-size: 11px; letter-spacing: 5px; }
    .gb-chero .cn { font-size: 27px; letter-spacing: 4px; }
    .gb-chero .en { margin-bottom: 36px; font-size: 11px; letter-spacing: 2px; }
    .gb-chero .info { flex-direction: column; align-items: flex-start; gap: 22px; max-width: 300px; margin: 0 auto; }
    .gb-chero .item { padding: 0; max-width: none; }
    .gb-chero .item + .item { border-left: 0; border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; }
    .gb-chero .tx a, .gb-chero .tx span { font-size: 15.5px; }
    .gb-hotline .gb-container { gap: 6px 14px; padding: 15px 0; }
    .gb-hotline .num { font-size: 21px; }
    .gb-hotline .sep { display: none; }
    .gb-online { padding: 54px 0 60px; }
    .gb-online h2 { font-size: 24px; letter-spacing: 2px; }
    .gb-online .gb-form-box { padding: 24px 18px 22px; }
}

/* ================= v3.4 页脚简洁版（对标目标站三栏） ================= */
.gb-footer h4 { display: flex; align-items: baseline; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.10); margin-bottom: 22px; }
.gb-footer h4::after { display: none; }
.gb-footer h4 .en { font-size: 11px; font-weight: 400; letter-spacing: 1.5px; color: #6f8d87; }
.gb-fnav { display: flex; gap: 0 48px; }
.gb-fnav ul { flex: 1; }
.gb-footer .contact li:first-child b { font-size: 22px; }
.gb-footer .bottom { padding: 18px 0; }
.gb-footer .bottom .sep { color: #4f6a64; }
@media (max-width: 768px) {
    .gb-fnav { gap: 0 28px; }
    .gb-footer .top { gap: 30px; }
}