@charset "utf-8";
/* ==========================================================================
   PbootCMS 模板 · 槟气风格（青绿主色 / 通栏深色头部 / 白底板块）
   引用方式：<link rel="stylesheet" href="{pboot:sitetplpath}/css/style.css">
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
    --brand: #0abbb9;          /* 主色 */
    --brand-dark: #08918f;
    --brand-soft: #eafaf9;
    --accent: #ffc600;         /* 点缀色 */
    --ink: #212121;            /* 正文 */
    --ink-2: #555;
    --gray: #999;
    --line: #e6e6e6;
    --soft: #f5f7f9;
    --dark: #14181a;           /* 头部/页脚底色 */
    --maxw: 1200px;
    --radius: 6px;
    --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 2. 基础重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.85;
    color: var(--ink);
    background: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, p, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--brand); }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

::selection { background: var(--brand); color: #fff; }

/* ---------- 3. 布局工具 ---------- */
.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 20px;
}

.section { padding: 88px 0; }
.section--soft { background: var(--soft); }
.section--tight { padding: 62px 0; }

/* 板块标题：中文 + 双横线 + 英文 */
.sec-head { text-align: center; margin-bottom: 52px; }
.sec-title {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--ink);
    line-height: 1.4;
}
.sec-lines {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    margin: 16px 0 12px;
}
.sec-lines i {
    display: block;
    width: 44px;
    height: 2px;
    background: var(--brand);
}
.sec-lines i:nth-child(2) { width: 26px; opacity: .65; }
.sec-en {
    font-size: 12px;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--gray);
    line-height: 1.6;
}
.sec-head--light .sec-title { color: #fff; }
.sec-head--light .sec-en { color: rgba(255, 255, 255, .6); }

/* 滚动入场动画 */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
.vhero {
    position: relative;
    width: 100%;
    height: 480px;
    overflow: hidden;
    background: #111;
}
/* 通用按钮 */
.btn {
    display: inline-block;
    padding: 12px 34px;
    border: 1px solid var(--brand);
    background: var(--brand);
    color: #fff;
    border-radius: 40px;
    font-size: 14px;
    letter-spacing: 1px;
    transition: all .3s var(--ease);
}
.btn:hover {
    background: transparent;
    color: var(--brand);
}
.btn--ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, .5);
    color: #fff;
}
.btn--ghost:hover {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

/* ---------- 4. 头部 ---------- */
.site-header {
    /*position: absolute;*/
    top: 0;
    left: 0;
    width: 100%;
    z-index: 200;
    background: linear-gradient(180deg, rgba(0, 0, 0, .72) 0%, rgba(0, 0, 0, .28) 70%, rgba(0, 0, 0, 0) 100%);
    transition: background .35s var(--ease), box-shadow .35s var(--ease);
}

.black-header{
    background-color: rgba(1, 1, 1, 0.93);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
}
/* 页面主体需要让出头部高度（头部是绝对定位浮在 hero 上） */
.has-header .hero,
.has-header .page-hero { position: relative; }

.header-inner {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.logo img { height: 87px; width: auto; }
.logo .logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    line-height: 1;
}
.logo .logo-text small {
    display: block;
    font-size: 11px;
    letter-spacing: 4px;
    font-weight: 400;
    opacity: .65;
    margin-top: 4px;
}

.nav { display: flex; }
.nav > ul { display: flex; align-items: center; }
.nav-item { position: relative; }
.nav-item > a {
    display: block;
    height: 100px;
    line-height: 70px;
    padding: 0 22px;
    font-size: 16px;
    color: #fff;
    position: relative;
    white-space: nowrap;
}
.nav-item > a::after {
    content: "";
    position: absolute;
    left: 22px;
    right: 22px;
    bottom: 36px;
    height: 2px;
    background: var(--brand);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .3s var(--ease);
}
.nav-item:hover > a::after,
.nav-item.active > a::after { transform: scaleX(1); }
.nav-item.active > a { color: var(--brand); }

/* 二级导航 */
.nav-item .sub-nav {
    position: absolute;
    top: 82px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 150px;
    padding: 8px 0;
    background: rgba(20, 24, 26, .92);
    border-radius: 4px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, .28);
    opacity: 0;
    visibility: hidden;
    transition: all .28s var(--ease);
}
.nav-item:hover .sub-nav { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
/* 没有二级栏目时不显示空的下拉框（PbootCMS 无子栏目时容器为空） */
.sub-nav:empty { display: none; }
.sub-nav a {
    display: block;
    padding: 9px 22px;
    font-size: 13px;
    color: rgba(255, 255, 255, .82);
    line-height: 1.6;
}
.sub-nav a:hover { background: var(--brand); color: #fff; }

/* 移动端汉堡按钮 */
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 0;
    background: transparent;
    padding: 0;
    position: relative;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px auto;
    background: #fff;
    transition: all .3s var(--ease);
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. 首页 Banner 轮播 ---------- */
.hero { position: relative; overflow: hidden; background: var(--dark); }
.hero-track { position: relative; height: 0; padding-bottom: 47.24%; } /* 1920:907 */
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .9s var(--ease), visibility .9s var(--ease);
}
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-slide > a { display: block; width: 100%; height: 100%; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide .hero-caption {
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
}
.hero-caption h2 {
    font-size: 46px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 2px;
    margin-bottom: 18px;
}
.hero-caption p {
    font-size: 16px;
    letter-spacing: 4px;
    color: rgba(255, 255, 255, .75);
}
.hero-caption .line { width: 72px; height: 3px; background: var(--brand); margin-bottom: 18px; }

.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255, 255, 255, .45);
    border-radius: 50%;
    background: rgba(0, 0, 0, .18);
    color: #fff;
    font-size: 20px;
    line-height: 44px;
    text-align: center;
    z-index: 3;
    transition: all .3s var(--ease);
}
.hero-arrow:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
.hero-arrow--prev { left: 3%; }
.hero-arrow--next { right: 3%; }

.hero-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 34px;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 3;
}
.hero-dots button {
    width: 26px;
    height: 3px;
    border: 0;
    padding: 0;
    background: rgba(255, 255, 255, .4);
    transition: background .3s var(--ease);
}
.hero-dots button.is-active { background: var(--brand); }

/* ---------- 6. 关于我们（左文右图） ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 64px;
    align-items: center;
}
.about-text p {
    color: var(--ink-2);
    font-size: 15px;
    margin-bottom: 18px;
    text-align: justify;
}
.about-text p strong { color: var(--brand); font-weight: 700; }
.about-text .btn { margin-top: 16px; }
.about-pic { position: relative; }
.about-pic img { border-radius: var(--radius); width: 100%; }

/* ---------- 7. 三大卖点 ---------- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}
.feature-item { text-align: center; }
.feature-item img {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    transition: transform .4s var(--ease);
}
.feature-item:hover img { transform: translateY(-8px); }
.feature-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}
.feature-item p { color: var(--gray); font-size: 14px; }
.feature-item .feature-sub {
    margin-top: 6px;
    font-size: 13px;
    color: var(--ink-2);
}

/* ---------- 8. 新闻卡片 ---------- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.news-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 34px rgba(0, 0, 0, .1);
}
.news-card .pic { overflow: hidden; aspect-ratio: 10 / 7; background: var(--soft); }
.news-card .pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s var(--ease);
}
.news-card:hover .pic img { transform: scale(1.07); }
.news-card .body { padding: 24px 22px 26px; }
.news-card h3 {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card .meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--gray);
    border-top: 1px dashed var(--line);
    padding-top: 14px;
}
.news-card .meta .tag { color: var(--brand); }

/* ---------- 9. 产品卡片 ---------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.product-card {
    position: relative;
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--soft);
    aspect-ratio: 1 / 1;
}
.product-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s var(--ease);
}
.product-card:hover img { transform: scale(1.08); }
.product-card .mask {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, .72) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 26px;
    transition: background .35s var(--ease);
}
.product-card:hover .mask { background: linear-gradient(180deg, rgba(10, 187, 185, .25) 0%, rgba(0, 0, 0, .78) 100%); }
.product-card .name {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    transform: translateY(0);
    transition: transform .35s var(--ease);
}
.product-card:hover .name { transform: translateY(-6px); }

/* ---------- 10. 加盟 CTA ---------- */
.cta {
    background: linear-gradient(120deg, #0f2b2a 0%, var(--brand) 100%);
    color: #fff;
    text-align: center;
    padding: 76px 0;
}
.cta h2 { font-size: 30px; font-weight: 700; margin-bottom: 14px; }
.cta p { color: rgba(255, 255, 255, .8); margin-bottom: 28px; }

/* ---------- 11. 内页通栏图 + 面包屑 ---------- */
.page-hero {
    position: relative;
   /* height: 480px;*/
    overflow: hidden;
    background: var(--dark);
}
.page-hero img { width: 100%; height: 100%; object-fit: cover; }
.page-hero .page-hero-title {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: rgba(0, 0, 0, .28);
}
.page-hero-title h1 { font-size: 34px; font-weight: 700; letter-spacing: 2px; }
.page-hero-title p { font-size: 12px; letter-spacing: 5px; opacity: .7; text-transform: uppercase; margin-top: 8px; }

.crumb {
    background: var(--soft);
    border-bottom: 1px solid var(--line);
    padding: 14px 0;
    font-size: 13px;
    color: var(--gray);
}
.crumb a { color: var(--ink-2); }
.crumb span { margin: 0 8px; color: #ccc; }
.crumb .current { color: var(--brand); }

/* ---------- 12. 列表页 ---------- */
.list-content{ display: grid; grid-template-columns: 1fr 40%; gap: 40px;}
.list-wrap { display: grid; grid-template-columns: 1fr 10%; gap: 40px; }
.news-list { display: flex; flex-direction: column; }
.news-row {
    display: grid;
    grid-template-columns: 38% 1fr;
    gap: 28px;
    padding: 28px 0;
    border-bottom: 1px solid var(--line);
}


.news-row:first-child { padding-top: 0; }
.news-row .pic { overflow: hidden; border-radius: var(--radius); aspect-ratio: 5 / 4; background: var(--soft); }
.news-row .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.news-row:hover{
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 0 22px rgba(0,0,0,.12)
}
.news-row:hover .pic img { transform: scale(1.07); }
.news-row h2 { font-size: 16px; font-weight: 400; line-height: 1.5; margin-bottom: 12px; color:#333}
.news-row:hover h2 { 
    color: var(--brand);
}
.tag-time{
        padding: 0 10px;
    color: #999;
    font-size: 12px;
}
.news-row .desc {
    color: var(--gray);
    font-size: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}
.news-row .meta { font-size: 13px; color: #b3b3b3; }
.news-row .meta i { font-style: normal; margin-right: 16px; }
.news-row .meta .tag { color: var(--brand); }

/* 产品列表 */
.product-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* 侧边栏 */
.side-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px 20px;
    margin-bottom: 24px;
}
.side-card h3 {
    font-size: 16px;
    font-weight: 700;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 2px solid var(--brand);
    display: inline-block;
}
.side-card li { border-bottom: 1px dashed var(--line); }
.side-card li:last-child { border-bottom: 0; }
.side-card li a {
    display: block;
    padding: 10px 0;
    font-size: 14px;
    color: var(--ink-2);
}
.side-card li a:hover { color: var(--brand); }

/* 分页 */
.pagebar,
.pagination,
#pagebar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin: 48px 0 0;
}
.pagebar a, .pagebar span,
.pagination a, .pagination span,
#pagebar a, #pagebar span {
    display: inline-block;
    min-width: 38px;
    height: 38px;
    line-height: 36px;
    text-align: center;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 3px;
    font-size: 14px;
    color: var(--ink-2);
    background: #fff;
    transition: all .25s var(--ease);
}
.pagebar a:hover, .pagination a:hover, #pagebar a:hover {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}
.pagebar .current, .pagebar .active,
.pagination .current, .pagination .active,
#pagebar .current, #pagebar .active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

/* ---------- 13. 详情页 ---------- */
.article { max-width: 880px; margin: 0 auto; }
.article-head { text-align: center; padding: 46px 0 26px; border-bottom: 1px solid var(--line); }
.article-head h1 { font-size: 30px; font-weight: 700; line-height: 1.5; margin-bottom: 18px; }
.article-head .meta { font-size: 13px; color: var(--gray); }
.article-head .meta i { font-style: normal; margin: 0 12px; }
.article-body {
    padding: 34px 0 20px;
    font-size: 16px;
    line-height: 2;
    color: var(--ink);
}
.article-body p { margin-bottom: 22px; text-align: justify; }
.article-body img { margin: 14px auto; border-radius: var(--radius); }
.article-body h2, .article-body h3 { font-size: 20px; margin: 28px 0 14px; }
.article-body a { color: var(--brand); text-decoration: underline; }

.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid var(--line);
    padding-top: 22px;
    font-size: 14px;
    color: var(--ink-2);
}
.article-nav a { max-width: 46%; }
.article-nav .none { color: #ccc; }

/* 产品详情 */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.product-detail .pic { border-radius: var(--radius); overflow: hidden; background: var(--soft); }
.product-detail h1 { font-size: 30px; font-weight: 700; margin-bottom: 18px; }
.product-detail .summary { color: var(--ink-2); margin-bottom: 24px; }
.attr-list { border-top: 1px solid var(--line); }
.attr-list li {
    display: flex;
    padding: 13px 0;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}
.attr-list li span:first-child { width: 96px; color: var(--gray); flex: 0 0 auto; }

/* ---------- 14. 表单（留言 / 搜索） ---------- */
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 14px; margin-bottom: 8px; color: var(--ink-2); }
.form-row input[type="text"],
.form-row input[type="tel"],
.form-row textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 11px 14px;
    font-size: 14px;
    outline: none;
    transition: border-color .25s var(--ease);
}
.form-row input:focus,
.form-row textarea:focus { border-color: var(--brand); }
.form-row textarea { min-height: 120px; resize: vertical; }
.form-inline { display: flex; gap: 10px; }
.form-inline input { flex: 1; }

/* ---------- 15. 页脚 ---------- */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, .65);
    padding: 58px 0 0;
    font-size: 14px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-grid h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 1px;
}
.footer-grid li { padding: 6px 0; }
.footer-grid li a { color: rgba(255, 255, 255, .65); }
.footer-grid li a:hover { color: var(--brand); }
.footer-about p { margin-bottom: 16px; line-height: 1.9; }
.footer-contact p { padding: 5px 0; }
.footer-contact strong { color: #fff; font-weight: 400; }
.footer-qr {
    width: 108px;
    height: 108px;
    background: rgba(255, 255, 255, .08);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, .4);
    font-size: 12px;
    text-align: center;
    padding: 8px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 18px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
}
.footer-bottom a { color: rgba(255, 255, 255, .45); }
.footer-bottom a:hover { color: var(--brand); }

/* ---------- 16. 回到顶部 ---------- */
.to-top {
    position: fixed;
    right: 26px;
    bottom: 40px;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 50%;
    background: var(--brand);
    color: #fff;
    font-size: 18px;
    line-height: 44px;
    text-align: center;
    z-index: 150;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all .3s var(--ease);
    box-shadow: 0 8px 20px rgba(10, 187, 185, .35);
}
.to-top.is-show { opacity: 1; visibility: visible; transform: none; }

/* ---------- 17. 空状态 / 404 ---------- */
.empty {
    text-align: center;
    padding: 90px 0;
    color: var(--gray);
}
.empty .code {
    font-size: 92px;
    font-weight: 700;
    color: var(--brand);
    line-height: 1;
    margin-bottom: 16px;
}


/* ============ 合作模式（左图 2fr + 右绿块 1fr） ============ */
.cooperate { display: flex; flex-wrap: wrap; align-items: stretch; }
.cooperate-pic {
    flex: 0 0 65%;
    max-width: 56.666%;
    /*min-height: 420px;*/
    background-size: cover;
    background-position: center center;
    background-color: #dfe4e6;
}
.cooperate-txt {
    flex: 0 0 35%;
    max-width: 33.334%;
    background: var(--green);
    color: #fff;
    padding: 56px 46px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.cooperate-txt h2 { font-size: 36px; font-weight: 700; color: #fff; letter-spacing: 2px; }
.cooperate-txt p { margin-top: 26px; font-size: 16px; line-height: 1.85; color: rgba(255, 255, 255, .95); }

/* ============ 政策支持（左浅灰 1fr + 右图 1fr） ============ */
.policy { display: flex; flex-wrap: wrap; align-items: stretch; }
.policy-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 等分列 */
  gap: 16px;
}

.grid-item-pic {
  grid-column: span 2; /* 这个占 2 列 */

}
.policy-txt {
  
    background: var(--light);
    padding: 72px 68px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    text-align: right;
}
.policy-txt h2 { font-size: 48px; font-weight: 700; color: #222; letter-spacing: 3px; }
.policy-txt p { margin-top: 16px; font-size: 20px; color: var(--txt-sub); letter-spacing: 1px; }
.policy-pic {
   
    background-size: cover;
    background-position: center center;
}

.policy-grid-p{
    padding: 0 10px;
    /* max-width: 56.666%; */
    min-height: 320px;
    background-size: cover;
    background-position: center center;
    background-color: #dfe4e6;
}
/* ============ 六卡网格（3 列 × 2 行） ============ */
.support { background: #fff; }
.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 34px;
}
.support-item {
    background: #fff;
    overflow: hidden;
    transition: transform .3s, box-shadow .3s;
}
.support-item:hover { transform: translateY(-6px); }
.support-item .pic {
    width: 100%;
    padding-bottom: 45.375%;   /* 约 2.2 : 1，与原站一致 */
    background-size: cover;
    background-position: center center;
    background-color: #eef1f3;
}
.support-item .txt { padding: 20px 8px 0; text-align: center; }
.support-item h3 { font-size: 19px; font-weight: 700; color: #222; letter-spacing: 1px; }
.support-item p { margin-top: 10px; font-size: 14px; color: var(--txt-sub); line-height: 1.8; }


.sec--slider { padding: 0; }

/* 区块标题：中文标题 + 破折号 + 英文小标 */
.sec-title { text-align: center; }

.sec-title h2 {
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  font-weight: 400;
  line-height: 1.3;
  color: var(--c-ink);
  letter-spacing: 1px;
}

.sec-title .dash {
  display: block;
  font-size: clamp(18px, 1.7vw, 24px);
  line-height: 1.25;
  color: var(--c-ink);
  letter-spacing: 2px;
}

.sec-title .en {
  display: block;
  margin-top: 2px;
  font-family: var(--font-serif);
  font-size: var(--fs-en);
  color: #8c8c8c;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.sec-title--left { text-align: left; }
/* ==========================================================================
   8. 三图轮播（对应原站 rowline194）
   --------------------------------------------------------------------------
   结构：中间一张大图（84% 宽），左右各露出 8% 的相邻图，
   两侧覆盖 8% 宽的半透明遮罩，遮罩中央是切换箭头。
   ========================================================================== */
.feature-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #fff;
  touch-action: pan-y;
}

.fs-viewport {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 26.14%; /* 与原站比例一致：内容区高 ≈ 视口宽 × 0.2614 */
  overflow: hidden;
}

.fs-track {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  width: 100%;
  height: 100%;
  will-change: transform;
  transition: transform 0.8s var(--ease);
}

.fs-item {
  flex: 0 0 84%;
  width: 84%;
  height: 100%;
  padding: 0 0.5%;
  overflow: hidden;
}
.fs-item a,
.fs-item .fs-item__inner {
  display: block;
  width: 100%;
  height: 100%;
}
.fs-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--c-light);
  transition: transform 0.9s var(--ease);
}
.fs-item:hover img { transform: scale(1.015); }

/* 左右遮罩 + 箭头 */
.fs-mask {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 8%;
  padding: 0;
  border: 0;
  background: rgba(0, 0, 0, 0.3);
  transition: background 0.3s;
}
.fs-mask--prev { left: 0; }
.fs-mask--next { right: 0; }
.fs-mask:hover { background: rgba(0, 0, 0, 0.5); }
.fs-mask:focus-visible { outline-offset: -4px; }

.fs-arrow {
  width: 16px;
  height: 16px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  opacity: 0.9;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.fs-mask--prev .fs-arrow { transform: rotate(-135deg); margin-left: 4px; }
.fs-mask--next .fs-arrow { transform: rotate(45deg); margin-right: 4px; }
.fs-mask:hover .fs-arrow { opacity: 1; }
.fs-mask--prev:hover .fs-arrow { transform: rotate(-135deg) translate(3px, -3px); }
.fs-mask--next:hover .fs-arrow { transform: rotate(45deg) translate(3px, -3px); }

/* 单张图时隐藏遮罩与箭头 */
.feature-slider.is-single .fs-mask { display: none; }
.feature-slider.is-single .fs-item { flex-basis: 100%; width: 100%; padding: 0; }

/* 圆点（可选，默认隐藏，与原站一致） */
.fs-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  z-index: 7;
  display: none;
  justify-content: center;
  gap: 8px;
}
.has-dots .fs-dots { display: flex; }
.fs-dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
}
.fs-dots button.is-active { background: #fff; }
.content-between{
    display: flex;justify-content: space-between;
}

/* ---------- 18. 响应式 ---------- */
@media (max-width: 1100px) {
    .product-grid, .product-list { grid-template-columns: repeat(4, 1fr); }
    .header-inner { height: 84px; }
    .nav-item > a { height: 84px; line-height: 84px; padding: 0 16px; }
    .nav-item .sub-nav { top: 70px; }
    .h_video{height:30vw}
}

@media (max-width: 900px) {
    .section { padding: 56px 0; }
    .sec-title { font-size: 24px; }
     .product-grid, .product-list { grid-template-columns: repeat(2, 1fr); }
    .about-grid,
    .product-detail { grid-template-columns: 1fr; gap: 34px; }
    .feature-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
    .news-grid { grid-template-columns: 1fr 1fr; }
    .list-wrap { grid-template-columns: 1fr; }
    .list-content{  grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }

    /* 移动端导航抽屉 */
    .nav-toggle { display: block; }
    .header-inner { height: 64px; }
    .logo img { height: 40px; }
    .logo .logo-text { font-size: 19px; }
    .nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 78%;
        max-width: 320px;
        height: 100%;
        background: var(--dark);
        padding: 84px 0 30px;
        transform: translateX(102%);
        transition: transform .35s var(--ease);
        overflow-y: auto;
        z-index: 210;
        box-shadow: -10px 0 30px rgba(0, 0, 0, .3);
    }
    .nav-open .nav { transform: none; }
    .nav > ul { display: block; }
    .nav-item > a {
        height: auto;
        line-height: 1.6;
        padding: 14px 26px;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
    }
    .nav-item > a::after { display: none; }
    .nav-item .sub-nav {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: rgba(255, 255, 255, .04);
        box-shadow: none;
        border-radius: 0;
        min-width: 0;
        padding: 0;
        display: none;
    }
    .nav-item.is-open .sub-nav { display: block; }
    .sub-nav a { padding: 10px 26px 10px 40px; }

    .nav-mask {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, .5);
        z-index: 20;
        opacity: 0;
        visibility: hidden;
        transition: all .3s var(--ease);
    }
    .nav-open .nav-mask { opacity: 1; visibility: visible; }

    .hero-track { padding-bottom: 68%; }
    .hero-caption h2 { font-size: 26px; }
    .hero-caption p { font-size: 12px; letter-spacing: 2px; }
    .hero-arrow { width: 36px; height: 36px; line-height: 34px; font-size: 16px; }
    /*.page-hero { height: 360px; }*/
    .page-hero-title h1 { font-size: 24px; }
    .news-row { grid-template-columns: 1fr; gap: 16px; }
    .news-row .pic { aspect-ratio: 16 / 9; }
    .article-head h1 { font-size: 22px; }
    .cta { padding: 52px 0; }
    .cta h2 { font-size: 23px; }
    .to-top { right: 14px; bottom: 20px; }
    .support-grid {
        grid-template-columns: 1fr 1fr;
    }
      .policy-grid{
      grid-template-columns:  1fr; 
    }
    .h_video{height:30vw}
  
    
}

@media (max-width: 600px) {
    .news-grid{ grid-template-columns:1fr; }
    .product-grid,
    .product-list { grid-template-columns:1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .section { padding: 44px 0; }
    .sec-head { margin-bottom: 34px; }
      .support-grid {
        grid-template-columns: 1fr;
    }
     .policy-grid{
      grid-template-columns:  1fr; 
    }
    .policy-grid-p {

        min-height: 180px;
    }
    .policy-txt h2 {
        font-size: 28px;
    }
    .h_video{height:35vw};
  
}

/* ---------- 19. 无障碍 & 打印 ---------- */
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

@media print {
    .site-header, .site-footer, .to-top, .hero-arrow, .hero-dots { display: none !important; }
}


.hidden{
    display: none;
}

.show{
    display: block;
}



/* ============ 视频 Banner ============ */

.vhero video,
.vhero .hero-poster {
    position: absolute;
    top: 50%; left: 50%;
    width: 100%; height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
}
.vhero .hero-poster {
    background-size: cover;
    background-position: center center;
}
/* 视频上方压暗，凸显文字 */
.vhero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, .55) 0%, rgba(0, 0, 0, .15) 40%, rgba(0, 0, 0, .45) 100%);
    pointer-events: none;
}
.hero-inner {
    position: absolute;
    left: 0; right: 0; bottom: 96px;
    z-index: 3;
}
.hero-title {
    font-size: 52px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    text-shadow: 0 2px 18px rgba(0, 0, 0, .5);
}
.hero-sub {
    margin-top: 14px;
    font-size: 18px;
    color: rgba(255, 255, 255, .88);
    letter-spacing: 1px;
}
/* 播放按钮 */
.play-btn {
    position: absolute;
    top: 50%; left: 50%;
    z-index: 4;
    width: 78px; height: 78px;
    margin: -39px 0 0 -39px;
    border: 2px solid rgba(255, 255, 255, .85);
    border-radius: 50%;
    background: rgba(0, 0, 0, .25);
    cursor: pointer;
    transition: all .3s;
}
.play-btn:hover { background: var(--theme); border-color: var(--theme); }
.play-btn::before {
    content: "";
    position: absolute;
    top: 26px; left: 30px;
    border-left: 20px solid #fff;
    border-top: 13px solid transparent;
    border-bottom: 13px solid transparent;
}
.play-btn.playing { opacity: 0; pointer-events: none; }