@charset "utf-8";
/* ==========================================================================
   太洋模架 · 首页样式
   ========================================================================== */

/* ==========================================================================
   0. 阅读进度条
   ========================================================================== */
.pbar {
    position: fixed; left: 0; top: 0; right: 0; height: 3px; z-index: 999;
    pointer-events: none;
}
.pbar i {
    display: block; height: 100%; width: 0;
    background: linear-gradient(90deg, var(--pri-d), var(--pri), var(--pri-l));
    box-shadow: 0 0 10px rgba(27, 131, 199, .55);
    transition: width .12s linear;
}

/* ==========================================================================
   1. 顶栏（浅灰）
   ========================================================================== */
.top {
    background: #f1f3f5;
    color: #5f6b78;
    font-size: 13px;
    height: 40px;
    overflow: hidden;
    border-bottom: 1px solid #e4e8ec;
}
.top-in { display: flex; align-items: center; justify-content: space-between; height: 40px; gap: 20px; }
.top-l { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.top-l i { color: var(--pri); font-size: 13px; }
.top-r { display: flex; align-items: center; gap: 18px; white-space: nowrap; }
.top-r a { color: #5f6b78; transition: color var(--tr-f); }
.top-r a:hover { color: var(--pri); }
.top-r .sp { width: 1px; height: 11px; background: #d3dae1; }

/* ==========================================================================
   1.1 吸顶容器（header + nav）
   ========================================================================== */
.sticky-hd {
    position: sticky; top: 0; z-index: 60;
    transition: box-shadow var(--tr);
}
.sticky-hd.stuck { box-shadow: 0 10px 30px rgba(8, 40, 68, .1); }

/* ==========================================================================
   2. 头部（logo + 热线 + 搜索）
   ========================================================================== */
.hdr {
    position: relative; background: #fff;
    border-bottom: 1px solid var(--line);
}
.hdr-in {
    display: flex; align-items: center; justify-content: space-between;
    gap: 30px; height: var(--hdr-h);
    transition: height var(--tr);
}
.logo { display: flex; align-items: center; flex: none; }
.logo img {
    width: 300px; height: 80px; object-fit: contain; display: block;
    transition: width var(--tr), height var(--tr);
}

.hdr-r { display: flex; align-items: center; gap: 26px; }

/* 销售热线 */
.hot { display: flex; align-items: center; gap: 13px; }
.hot-ic {
    width: 50px; height: 50px; flex: none;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; color: #fff; font-size: 19px;
    background: linear-gradient(135deg, var(--pri-l), var(--pri));
    box-shadow: 0 8px 18px rgba(9, 99, 160, .3);
    position: relative;
}
.hot-ic::after {
    content: ""; position: absolute; inset: 0; border-radius: 50%;
    border: 1px solid var(--pri); animation: hotPulse 2.4s ease-out infinite;
}
@keyframes hotPulse {
    0% { transform: scale(1); opacity: .8; }
    100% { transform: scale(1.6); opacity: 0; }
}
.hot-tx { line-height: 1.2; }
.hot-tx b { display: block; font-size: 12px; font-weight: 400; color: var(--muted); letter-spacing: 1px; }
.hot-tx span {
    display: block; font-family: var(--ff-num); font-size: 24px; font-weight: 700;
    color: var(--pri); letter-spacing: .4px; margin-top: 3px;
}

/* 搜索 */
.hsearch { display: flex; align-items: center; height: 50px; }
.hsearch form {
    display: flex; align-items: center; height: 50px; width: 0; overflow: hidden;
    border: 1px solid transparent; border-radius: 999px; background: transparent;
    transition: width var(--tr), border-color var(--tr), background var(--tr), padding var(--tr);
}
.hsearch.open form { width: 268px; padding: 0 6px 0 20px; background: var(--bg-soft); border-color: var(--pri); }
.hsearch input[type="text"] {
    flex: 1; min-width: 0; height: 48px; border: 0; background: none; outline: none;
    font-size: 14px; color: var(--ink);
}
.hsearch input[type="text"]::placeholder { color: var(--muted); }
.hsearch button[type="submit"] {
    width: 38px; height: 38px; flex: none; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff; background: var(--pri); font-size: 14px;
    transition: background var(--tr-f);
}
.hsearch button[type="submit"]:hover { background: var(--pri-d); }
.hsearch .hs-toggle .fa-xmark { display: none; }
.hsearch.open .hs-toggle .fa-magnifying-glass { display: none; }
.hsearch.open .hs-toggle .fa-xmark { display: inline-block; }
.hsearch .hs-toggle {
    width: 50px; height: 50px; flex: none; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--pri); font-size: 17px; border: 1px solid var(--line-2);
    transition: all var(--tr-f);
}
.hsearch .hs-toggle:hover { background: var(--pri); border-color: var(--pri); color: #fff; }
.hsearch.open .hs-toggle { background: #fff; border-color: var(--line-2); color: var(--ink-3); font-size: 18px; }
.hsearch.open .hs-toggle:hover { border-color: var(--pri); color: var(--pri); background: #fff; }

/* 汉堡 */
.nav-toggle {
    display: none; width: 44px; height: 44px; flex: none;
    align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    border: 1px solid var(--line-2);
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); transition: all var(--tr-f); }
.nav-toggle.on span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.on span:nth-child(2) { opacity: 0; }
.nav-toggle.on span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   3. 主导航
   ========================================================================== */
.nav { background: var(--pri); position: relative; z-index: 55; }
.nav-in { display: flex; align-items: center; }
.nav-in > li { position: relative; }
.nav-in > li > a {
    display: flex; align-items: center; gap: 7px;
    height: 56px; padding: 0 26px;
    color: rgba(255, 255, 255, .88); font-size: 16px; font-weight: 600; letter-spacing: .5px;
    position: relative; transition: all var(--tr-f);
}
.nav-in > li > a::after {
    content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
    width: 0; height: 3px; background: #fff; transition: width var(--tr);
}
.nav-in > li > a i { font-size: 11px; opacity: .7; transition: transform var(--tr-f); }
.nav-in > li > a:hover, .nav-in > li.on > a { color: #fff; background: rgba(0, 0, 0, .13); }
.nav-in > li > a:hover::after, .nav-in > li.on > a::after { width: 100%; }
.nav-in > li > a:hover i { transform: rotate(180deg); }

/* 下拉 */
.nav-dd {
    position: absolute; left: 0; top: 100%; min-width: 218px;
    background: #fff; box-shadow: 0 18px 44px rgba(8, 40, 68, .18);
    padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(14px);
    transition: opacity var(--tr), transform var(--tr), visibility var(--tr);
    border-top: 3px solid var(--pri);
}
.nav-in > li:hover .nav-dd { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dd a {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 11px 22px; font-size: 14.5px; color: var(--ink-2);
    transition: all var(--tr-f); position: relative;
}
.nav-dd a::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--pri); transform: scaleY(0); transition: transform var(--tr-f);
}
.nav-dd a:hover { background: var(--pri-soft); color: var(--pri); padding-left: 28px; }
.nav-dd a:hover::before { transform: scaleY(1); }
.nav-dd a i { font-size: 11px; opacity: .35; }

/* 滚动收缩态：logo 栏 + 导航栏整体 mini */
.sticky-hd.mini .hdr-in { height: 68px; }
.sticky-hd.mini .logo img { width: 206px; height: 55px; }
.sticky-hd.mini .hot-ic { width: 40px; height: 40px; font-size: 15px; }
.sticky-hd.mini .hot-tx b { display: none; }
.sticky-hd.mini .hot-tx span { font-size: 19px; margin-top: 0; }
.sticky-hd.mini .hsearch,
.sticky-hd.mini .hsearch form,
.sticky-hd.mini .hsearch .hs-toggle { height: 42px; }
.sticky-hd.mini .hsearch .hs-toggle { width: 42px; height: 42px; }
.sticky-hd.mini .hsearch input[type="text"] { height: 40px; }
.sticky-hd.mini .nav-toggle { width: 40px; height: 40px; }
.sticky-hd.mini .nav-in > li > a { height: 44px; font-size: 14.5px; }

/* 遮罩（移动端菜单） */
.mask {
    position: fixed; inset: 0; background: rgba(6, 22, 36, .55);
    opacity: 0; visibility: hidden; transition: all var(--tr); z-index: 90;
    backdrop-filter: blur(2px);
}
.mask.on { opacity: 1; visibility: visible; }

/* ==========================================================================
   4. 轮播 Hero
   ========================================================================== */
.hero { position: relative; overflow: hidden; background: var(--dark); }
.hero-slides { position: relative; }
.hero-pc { aspect-ratio: 1920 / 600; }
.hero-mb { display: none; aspect-ratio: 640 / 300; }
/* 底部渐晕：提升圆点与滚动提示的可读性 */
.hero::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 210px;
    background: linear-gradient(180deg, rgba(6, 22, 36, 0) 0%, rgba(6, 22, 36, .16) 46%, rgba(6, 22, 36, .5) 100%);
    z-index: 5; pointer-events: none;
}
.hero-slides > a {
    display: block; position: absolute; inset: 0; opacity: 0;
    transition: opacity 1.1s ease; pointer-events: none;
}
.hero-slides > a.on { opacity: 1; pointer-events: auto; }
.hero-slides > a img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-slides.hero-pc > a.on img { animation: heroZoom 7s ease-out forwards; }
@keyframes heroZoom { from { transform: scale(1.06); } to { transform: scale(1); } }

/* 左右翻页 */
.hero-ctrl {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 56px; height: 56px; z-index: 6;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 17px;
    border: 1px solid rgba(255, 255, 255, .45);
    background: rgba(9, 40, 68, .28);
    backdrop-filter: blur(3px);
    transition: all var(--tr);
}
.hero-ctrl:hover { background: var(--pri); border-color: var(--pri); width: 66px; }
.hero-prev { left: 30px; }
.hero-next { right: 30px; }

/* 圆点 */
.hero-dots {
    position: absolute; left: 50%; bottom: 34px; transform: translateX(-50%);
    display: flex; gap: 10px; z-index: 6;
}
.hero-dots button {
    width: 34px; height: 4px; background: rgba(255, 255, 255, .42);
    transition: all var(--tr); position: relative; overflow: hidden;
}
.hero-dots button.on { width: 56px; background: rgba(255, 255, 255, .3); }
.hero-dots button.on::after {
    content: ""; position: absolute; inset: 0; background: #fff;
    transform-origin: left; animation: dotBar 7s linear forwards;
}
@keyframes dotBar { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* 向下滚动鼠标 */
.scroll-tip {
    position: absolute; left: 50%; bottom: 74px; transform: translateX(-50%);
    z-index: 6; display: flex; flex-direction: column; align-items: center; gap: 8px;
    color: rgba(255, 255, 255, .8); font-size: 11px; letter-spacing: 2px;
}
.scroll-mouse {
    width: 24px; height: 40px; border: 2px solid rgba(255, 255, 255, .75);
    border-radius: 13px; position: relative;
}
.scroll-mouse::after {
    content: ""; position: absolute; left: 50%; top: 7px; width: 3px; height: 7px;
    margin-left: -1.5px; border-radius: 2px; background: #fff;
    animation: mouseWheel 1.8s ease-in-out infinite;
}
@keyframes mouseWheel {
    0% { transform: translateY(0); opacity: 1; }
    70% { transform: translateY(13px); opacity: 0; }
    100% { transform: translateY(0); opacity: 0; }
}

/* ==========================================================================
   5. 产品中心（滑动门）
   ========================================================================== */
.prod-tabs {
    position: relative; display: flex; justify-content: center; flex-wrap: wrap;
    gap: 8px; margin-bottom: 34px; padding-bottom: 0;
}
.prod-tabs .tb {
    position: relative; padding: 12px 30px; font-size: 16px; font-weight: 600;
    color: var(--ink-3); background: #fff; border: 1px solid var(--line);
    transition: color .32s, border-color .32s; z-index: 2;
}
.prod-tabs .tb:hover { color: var(--pri); border-color: var(--pri-soft-2); }
.prod-tabs .tb.on { color: #fff; border-color: transparent; background: transparent; }
.prod-tabs .tb-fill {
    position: absolute; left: 0; top: 0; z-index: 1; height: 0; width: 0;
    background: var(--pri); box-shadow: 0 10px 22px rgba(9, 99, 160, .26);
    transition: transform .45s cubic-bezier(.22, .61, .36, 1), width .45s cubic-bezier(.22, .61, .36, 1);
    pointer-events: none;
}

.prod-panes { position: relative; }
.prod-pane { display: none; }
.prod-pane.on { display: block; animation: paneIn .6s cubic-bezier(.22, .61, .36, 1); }
@keyframes paneIn { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }

.prod-grid {
    display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px 24px;
}
.pcard {
    display: block; background: #fff; border: 1px solid var(--line);
    transition: all var(--tr); position: relative; overflow: hidden;
}
.pcard::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
    background: var(--pri); transform: scaleX(0); transform-origin: left;
    transition: transform var(--tr);
}
.pcard:hover { border-color: transparent; box-shadow: var(--sh-m); transform: translateY(-6px); }
.pcard:hover::after { transform: scaleX(1); }
.pcard .pic { aspect-ratio: 370 / 263; }
.pcard .pic::after {
    content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(8, 25, 42, .35));
    opacity: 0; transition: opacity var(--tr);
}
.pcard:hover .pic::after { opacity: 1; }
.pcard .pc-tx {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 18px 20px 20px;
}
.pcard .pc-t {
    display: block; min-width: 0;
    font-size: 16px; font-weight: 600; color: var(--ink);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    transition: color var(--tr-f);
}
.pcard:hover .pc-t { color: var(--pri); }
.pcard .pc-ar {
    width: 30px; height: 30px; flex: none;
    display: flex; align-items: center; justify-content: center;
    color: var(--pri); font-size: 12px; border: 1px solid var(--line-2);
    transition: all var(--tr);
}
.pcard:hover .pc-ar { background: var(--pri); border-color: var(--pri); color: #fff; transform: rotate(-45deg); }

/* ==========================================================================
   6. 通栏广告栏
   ========================================================================== */
.adbar { position: relative; overflow: hidden; background: linear-gradient(120deg, #eef6fc 0%, #ffffff 46%, #f2f8fd 100%); }
.adbar::before {
    content: ""; position: absolute; inset: 0;
    background-image: radial-gradient(rgba(9, 99, 160, .09) 1px, transparent 1px);
    background-size: 22px 22px; opacity: .8;
}
.adbar::after {
    content: ""; position: absolute; right: -140px; top: -140px; width: 520px; height: 520px;
    border-radius: 50%; border: 1px solid rgba(9, 99, 160, .12); pointer-events: none;
}
.adbar-in {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center; gap: 40px; min-height: 400px;
    /* 只改上下留白，左右沿用 .wrap 的内边距，避免窄屏内容贴边 */
    padding-top: 52px; padding-bottom: 0;
}
.adbar-tit {
    font-size: 40px; line-height: 1.3; font-weight: 800; color: var(--ink);
    letter-spacing: -.5px; text-wrap: balance;
}
.adbar-tit em { color: var(--pri); }
.adbar-sub {
    margin-top: 18px; max-width: 640px;
    font-size: 16px; line-height: 1.9; color: var(--ink-3);
}
.adbar-act { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-top: 32px; }
.adbar-tel { display: flex; align-items: center; gap: 14px; }
.adbar-tel .ai {
    width: 54px; height: 54px; flex: none; display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 20px; background: var(--pri);
    box-shadow: 0 10px 22px rgba(9, 99, 160, .3);
}
.adbar-tel .at { line-height: 1.25; }
.adbar-tel .at b { display: block; font-size: 12px; font-weight: 400; color: var(--muted); letter-spacing: 1px; }
.adbar-tel .at span { display: block; font-family: var(--ff-num); font-size: 26px; font-weight: 700; color: var(--pri); }

.adbar-pic {
    position: relative; display: flex; align-items: flex-end; justify-content: center;
    align-self: end;
}
.adbar-pic img {
    width: auto; max-width: 100%; max-height: 410px;
    object-fit: contain; object-position: bottom;
    display: block; position: relative; z-index: 2;
}
.adbar-pic::before {
    content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
    width: 86%; height: 120px; z-index: 1; pointer-events: none;
    background: radial-gradient(ellipse at 50% 100%, rgba(9, 99, 160, .13), transparent 72%);
}
/* 交替布局：仅换背景色，默认即「文案在左、人物在右」，与 ① 的图左文右形成反差 */
.adbar-alt { background: linear-gradient(120deg, #e9f3fb 0%, #ffffff 50%, #eef6fc 100%); }
/* 反向布局：人物在左、文案在右（贴合人物向右的手势，手掌朝向内容区） */
.adbar-rev .adbar-in { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
.adbar-rev .adbar-pic { order: -1; }
.adbar-rev::after { right: auto; left: -140px; }

/* ==========================================================================
   7. 四大特点（横向图文卡）
   ========================================================================== */
.adv-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.acard {
    --ac-img: 250px;
    display: grid; grid-template-columns: var(--ac-img) minmax(0, 1fr);
    background: #fff; border: 1px solid var(--line);
    position: relative; overflow: hidden; transition: all var(--tr);
}
.acard::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; z-index: 4;
    background: linear-gradient(180deg, var(--pri), var(--pri-l));
    transform: scaleY(.42); transform-origin: top; transition: transform var(--tr);
}
.acard:hover { transform: translateY(-6px); box-shadow: var(--sh-l); border-color: transparent; }
.acard:hover::before { transform: scaleY(1); }
.acard .pic { position: relative; overflow: hidden; }
.acard .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s cubic-bezier(.22, .61, .36, 1); }
.acard:hover .pic img { transform: scale(1.07); }
.acard .ac-no {
    position: absolute; right: 16px; top: 4px; z-index: 3;
    font-family: var(--ff-num); font-size: 52px; font-weight: 800; line-height: 1;
    color: transparent; -webkit-text-stroke: 1.4px rgba(9, 99, 160, .22);
    letter-spacing: -2px; transition: all var(--tr);
}
.acard:hover .ac-no { -webkit-text-stroke-color: rgba(9, 99, 160, .42); }
.acard .ac-bd {
    padding: 26px 26px 24px; min-width: 0;
    display: flex; flex-direction: column; justify-content: center;
}
.acard .ac-t {
    font-size: 18px; font-weight: 700; color: var(--ink); line-height: 1.45;
    padding-bottom: 12px; margin-bottom: 12px; position: relative;
    padding-right: 46px;
}
.acard .ac-t::after {
    content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px;
    background: var(--pri); transition: width var(--tr);
}
.acard:hover .ac-t { color: var(--pri); }
.acard:hover .ac-t::after { width: 60px; }
.acard .ac-c {
    font-size: 13.5px; line-height: 1.9; color: var(--muted);
}
/* 03 / 04 反向排布（图在右，文在左），与 01 / 02 形成节奏差异；移动端不生效 */
@media (min-width: 768px) {
    .adv-grid .acard:nth-child(n+3) { grid-template-columns: minmax(0, 1fr) var(--ac-img); }
    .adv-grid .acard:nth-child(n+3) .ac-bd { order: 1; }
    .adv-grid .acard:nth-child(n+3) .pic { order: 2; }
    /* 编号镜像到文字块外侧（左），标题右让位 */
    .adv-grid .acard:nth-child(n+3) .ac-no { right: auto; left: 18px; }
    .adv-grid .acard:nth-child(n+3) .ac-t { padding-right: 0; padding-left: 56px; }
}


/* ==========================================================================
   8. 客户案例（跑马灯）
   ========================================================================== */
.mq { position: relative; overflow: hidden; padding: 8px 0; }
.mq + .mq { margin-top: 22px; }
.mq::before, .mq::after {
    content: ""; position: absolute; top: 0; bottom: 0; width: 130px; z-index: 3; pointer-events: none;
}
.mq::before { left: 0; background: linear-gradient(90deg, #fff, rgba(255, 255, 255, 0)); }
.mq::after { right: 0; background: linear-gradient(270deg, #fff, rgba(255, 255, 255, 0)); }
.sec-soft .mq::before { background: linear-gradient(90deg, var(--bg-soft), rgba(244, 248, 251, 0)); }
.sec-soft .mq::after { background: linear-gradient(270deg, var(--bg-soft), rgba(244, 248, 251, 0)); }
.mq-track { display: flex; gap: 22px; width: max-content; animation: mqRun 46s linear infinite; }
.mq-rev .mq-track { animation-direction: reverse; animation-duration: 56s; }
.mq:hover .mq-track { animation-play-state: paused; }
@keyframes mqRun { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.mq-item {
    flex: none; width: 220px; background: #fff; border: 1px solid var(--line);
    padding: 18px 20px; text-align: center; transition: all var(--tr);
}
.mq-item:hover { border-color: var(--pri); box-shadow: var(--sh-m); transform: translateY(-4px); }
.mq-item .mi-pic { height: 62px; display: flex; align-items: center; justify-content: center; }
.mq-item .mi-pic img { max-height: 62px; max-width: 100%; object-fit: contain; filter: grayscale(1); opacity: .78; transition: all var(--tr); }
.mq-item:hover .mi-pic img { filter: none; opacity: 1; }
.mq-item .mi-t {
    display: block;
    margin-top: 12px; font-size: 14px; color: var(--ink-3);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    transition: color var(--tr-f);
}
.mq-item:hover .mi-t { color: var(--pri); }

/* ==========================================================================
   9. 公司简介
   ========================================================================== */
.abt { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr); gap: 60px; align-items: center; }
.abt-pic { position: relative; }
.abt-pic .pic { aspect-ratio: 4 / 3; }
.abt-pic .pic img { transition: transform 1s cubic-bezier(.22, .61, .36, 1); }
.abt-pic:hover .pic img { transform: scale(1.05); }
.abt-pic .frame {
    position: absolute; left: -18px; top: 18px; right: 18px; bottom: -18px;
    border: 2px solid var(--pri-soft-2); z-index: -1;
}
.abt-pic .badge {
    position: absolute; right: -26px; bottom: -26px; z-index: 3;
    width: 178px; padding: 22px 20px;
    background: var(--pri); color: #fff; text-align: center;
    box-shadow: var(--sh-m);
}
.abt-pic .badge .bn {
    font-family: var(--ff-num); font-size: 54px; font-weight: 800; line-height: 1;
    letter-spacing: -1px; display: flex; align-items: baseline; justify-content: center; gap: 3px;
}
.abt-pic .badge .bn s { font-size: 15px; font-weight: 600; letter-spacing: .5px; opacity: .92; }
.abt-pic .badge .bt { font-size: 13px; opacity: .88; margin-top: 8px; letter-spacing: .5px; }

.abt-bd .sec-hd { margin-bottom: 26px; }
.abt-txt { font-size: 15px; line-height: 2.05; color: var(--ink-3); }
.abt-txt p + p { margin-top: 14px; }
.abt-txt img { max-width: 100%; height: auto; }
.abt-pt { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 30px 0 32px; }
.abt-pt li { border-left: 2px solid var(--pri); padding-left: 14px; }
.abt-pt li b {
    display: block; font-family: var(--ff-num); font-size: 40px; font-weight: 800;
    color: var(--pri); line-height: 1.05; letter-spacing: -1px;
}
.abt-pt li b s {
    font-family: var(--ff); font-size: 15px; font-weight: 600;
    margin-left: 4px; letter-spacing: 0; color: var(--ink-3);
}
.abt-pt li > span { display: block; margin-top: 6px; font-size: 13px; color: var(--muted); }
.abt-act { display: flex; gap: 14px; flex-wrap: wrap; }

/* ==========================================================================
   10. 生产环境 / 现场安装
   ========================================================================== */
.gal-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.gcard { display: block; position: relative; overflow: hidden; background: var(--dark); }
.gcard .pic { aspect-ratio: 4 / 3; }
.gcard .pic::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(8, 25, 42, 0) 42%, rgba(8, 25, 42, .82));
    transition: opacity var(--tr);
}
.gcard .gtx {
    position: absolute; left: 0; right: 0; bottom: 0; z-index: 3; padding: 18px 20px;
    transform: translateY(6px); transition: transform var(--tr);
}
.gcard .gtx h3 { font-size: 15.5px; font-weight: 600; color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gcard .gtx .gmore {
    display: block; max-height: 0; overflow: hidden; opacity: 0;
    font-size: 12.5px; color: rgba(255, 255, 255, .72); transition: all var(--tr);
}.gcard:hover .pic img { transform: scale(1.08); }
.gcard:hover .gtx { transform: translateY(0); }
.gcard:hover .gtx .gmore { max-height: 30px; opacity: 1; margin-top: 6px; }
.gcard .gico {
    position: absolute; right: 16px; top: 16px; z-index: 3;
    width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 14px; background: rgba(9, 99, 160, .85);
    opacity: 0; transform: translateY(-8px); transition: all var(--tr);
}
.gcard:hover .gico { opacity: 1; transform: translateY(0); }

/* 现场安装 · 标题（描边水印 + 生长竖条 + 高亮块） */
.scene-row { align-items: flex-end; }
.scene-hd { position: relative; padding-left: 24px; z-index: 1; }
.scene-hd::before {
    content: ""; position: absolute; left: 0; top: 2px; bottom: 4px; width: 4px;
    background: linear-gradient(180deg, var(--pri) 0%, var(--pri-l) 58%, rgba(27, 131, 199, .12) 100%);
    transform: scaleY(0); transform-origin: top;
    transition: transform .85s cubic-bezier(.22, .61, .36, 1) .1s;
}
.scene-hd.in::before { transform: scaleY(1); }
.scene-hd h2, .scene-hd .sec-d, .scene-hd .hd-line { position: relative; z-index: 1; }
.scene-hd h2 b { position: relative; z-index: 1; }
.scene-hd h2 b::after {
    content: ""; position: absolute; left: -2px; right: -2px; bottom: 1px; height: 11px;
    background: rgba(9, 99, 160, .12); z-index: -1;
    transform: scaleX(0); transform-origin: left;
    transition: transform .95s cubic-bezier(.22, .61, .36, 1) .35s;
}
.scene-hd.in h2 b::after { transform: scaleX(1); }
.scene-hd .sec-d { max-width: 560px; }

/* 横向拖拽胶片 */
.film { position: relative; }
.film-track {
    display: flex; gap: 22px; overflow-x: auto; padding: 4px 4px 22px;
    scroll-snap-type: x mandatory; cursor: grab;
    scrollbar-width: none;
}
.film-track::-webkit-scrollbar { display: none; }
.film-track.drag { cursor: grabbing; }
.film-item { flex: none; width: 372px; scroll-snap-align: start; background: #fff; border: 1px solid var(--line); overflow: hidden; transition: all var(--tr); }
.film-item:hover { border-color: rgba(9, 99, 160, .38); }
.film-item .pic { aspect-ratio: 4 / 3; }
/* 图片下方标题条：加高 + 左侧竖条生长 + 主色渐变扫入 + 箭头滑入 */
.film-item .ft {
    position: relative; display: block;
    padding: 20px 54px 21px 24px;
    font-size: 17px; font-weight: 700; line-height: 1.45; color: var(--ink);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    border-top: 1px solid rgba(9, 99, 160, .08);
    background-image: linear-gradient(90deg, rgba(9, 99, 160, .13) 0%, rgba(9, 99, 160, .05) 58%, rgba(9, 99, 160, 0) 100%);
    background-repeat: no-repeat; background-position: left top; background-size: 0% 100%;
    transition: background-size .6s cubic-bezier(.22, .61, .36, 1), color .35s ease;
}
.film-item .ft::before {
    content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 3px; height: 0; background: var(--pri);
    transition: height .45s cubic-bezier(.22, .61, .36, 1);
}
.film-item .ft::after {
    content: "\f061"; font-family: "Font Awesome 6 Free"; font-weight: 900;
    position: absolute; right: 22px; top: 50%; transform: translate(10px, -50%);
    font-size: 14px; color: var(--pri); opacity: 0;
    transition: opacity .35s ease, transform .45s cubic-bezier(.22, .61, .36, 1);
}
.film-item:hover .ft { color: var(--pri); background-size: 100% 100%; }
.film-item:hover .ft::before { height: 58%; }
.film-item:hover .ft::after { opacity: 1; transform: translate(0, -50%); }
.film-bar { display: flex; align-items: center; gap: 16px; }
.film-bar .fb-line { flex: 1; height: 2px; background: var(--line); position: relative; }
.film-bar .fb-line i { position: absolute; left: 0; top: 0; height: 100%; width: 20%; background: var(--pri); transition: width .2s linear, left .2s linear; }
.film-bar .fb-btn {
    width: 46px; height: 46px; flex: none; display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--line-2); color: var(--ink-3); background: #fff; transition: all var(--tr-f);
}
.film-bar .fb-btn:hover { background: var(--pri); border-color: var(--pri); color: #fff; }

/* ==========================================================================
   11. 服务流程
   ========================================================================== */
.flow { position: relative; }
.flow-line {
    position: absolute; left: 0; right: 0; top: 46px; height: 2px;
    background: var(--line); z-index: 0;
}
.flow-line i { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: var(--pri); transition: width 1.6s ease; }
.flow.on .flow-line i { width: 100%; }
.flow-grid { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 10px; }
.fstep { text-align: center; }
.fstep .fs-dot {
    width: 92px; height: 92px; margin: 0 auto; position: relative;
    display: flex; align-items: center; justify-content: center;
    background: #fff; border: 1px solid var(--line-2);
    transition: all var(--tr);
}
.fstep .fs-dot img { max-width: 52px; max-height: 52px; object-fit: contain; transition: all var(--tr); }
.fstep .fs-dot::after {
    content: attr(data-no); position: absolute; right: -1px; top: -1px;
    min-width: 24px; height: 24px; padding: 0 5px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--ff-num); font-size: 12px; font-weight: 700; color: #fff;
    background: var(--line-2); transition: background var(--tr-f);
}
.fstep:hover .fs-dot { border-color: var(--pri); transform: translateY(-6px); box-shadow: var(--sh-m); }
.fstep:hover .fs-dot::after { background: var(--pri); }
.fstep .fs-t { margin-top: 16px; font-size: 15px; font-weight: 600; color: var(--ink); transition: color var(--tr-f); }
.fstep:hover .fs-t { color: var(--pri); }

/* ==========================================================================
   12. 新闻中心
   ========================================================================== */
.news { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr); gap: 46px; align-items: start; }
.nfeature { display: block; background: #fff; border: 1px solid var(--line); transition: all var(--tr); }
.nfeature:hover { box-shadow: var(--sh-l); border-color: transparent; transform: translateY(-4px); }
.nfeature .pic { aspect-ratio: 600 / 340; }
.nfeature .pic img { transition: transform .9s cubic-bezier(.22, .61, .36, 1); }
.nfeature:hover .pic img { transform: scale(1.06); }
.nfeature .nf-bd { padding: 24px 26px 26px; }
.nfeature .nf-d {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--ff-num); font-size: 13px; color: var(--pri); letter-spacing: .4px;
}
.nfeature .nf-d::before { content: "\f017"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 12px; }
.nfeature .nf-t {
    margin-top: 10px; font-size: 21px; font-weight: 700; color: var(--ink); line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color var(--tr-f);
}
.nfeature:hover .nf-t { color: var(--pri); }
.nfeature .nf-c {
    margin-top: 12px; font-size: 14px; line-height: 1.9; color: var(--muted);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.nlist { display: flex; flex-direction: column; }
.nlist li { border-bottom: 1px dashed var(--line-2); }
.nlist li:first-child { border-top: 1px dashed var(--line-2); }
.nlist a {
    display: flex; align-items: center; gap: 18px; padding: 17px 4px;
    transition: all var(--tr-f);
}
.nlist a:hover { padding-left: 12px; }
.nlist .nl-d {
    flex: none; width: 66px; text-align: center; border-right: 1px solid var(--line);
    padding-right: 16px; transition: border-color var(--tr-f);
}
.nlist .nl-d b { display: block; font-family: var(--ff-num); font-size: 24px; font-weight: 700; color: var(--ink); line-height: 1.1; }
.nlist .nl-d span { font-size: 12px; color: var(--muted); }
.nlist .nl-tx { flex: 1; min-width: 0; }
.nlist .nl-t {
    display: block; min-width: 0;
    font-size: 16px; font-weight: 600; color: var(--ink-2);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    transition: color var(--tr-f);
}
.nlist a:hover .nl-t { color: var(--pri); }
.nlist .nl-c {
    display: block; min-width: 0;
    margin-top: 5px; font-size: 13px; color: var(--muted);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.nlist .nl-ar { flex: none; color: var(--line-2); font-size: 14px; transition: all var(--tr); }
.nlist a:hover .nl-ar { color: var(--pri); transform: translateX(3px); }

/* ==========================================================================
   13. 友情链接
   ========================================================================== */
.links { background: var(--bg-soft-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.links-in { display: flex; align-items: flex-start; gap: 16px; padding: 18px 0; font-size: 13.5px; }
.links-in > b { flex: none; font-weight: 600; color: var(--ink-3); letter-spacing: 1px; }
.links-bd { flex: 1; display: flex; flex-wrap: wrap; gap: 6px 22px; min-width: 0; }
.links-bd a { color: var(--muted); }
.links-bd a:hover { color: var(--pri); }

/* ==========================================================================
   14. 页脚
   ========================================================================== */
.foot { background: var(--dark); color: rgba(255, 255, 255, .58); padding: 68px 0 0; position: relative; overflow: hidden; }
.foot::before {
    content: ""; position: absolute; right: -180px; top: -180px; width: 620px; height: 620px;
    border-radius: 50%; background: radial-gradient(circle, rgba(9, 99, 160, .28), transparent 68%);
}
.foot-in {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr) minmax(0, .8fr) minmax(0, .95fr);
    gap: 46px; padding-bottom: 52px;
}
.fcol-t {
    font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 24px;
    padding-bottom: 14px; position: relative;
}
.fcol-t::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--pri-l); }

.fco .fco-logo { width: 260px; height: 70px; object-fit: contain; margin-bottom: 20px; }
.fco .fco-d { font-size: 13.5px; line-height: 1.95; }
.fco .fco-tel { margin-top: 18px; }
.fco .fco-tel b { display: block; font-size: 12px; color: rgba(255, 255, 255, .45); letter-spacing: 1px; font-weight: 400; }
.fco .fco-tel span { display: block; font-family: var(--ff-num); font-size: 27px; font-weight: 700; color: #fff; letter-spacing: .5px; margin-top: 2px; }

.fnav li { margin-bottom: 11px; }
.fnav a { font-size: 14px; color: rgba(255, 255, 255, .58); display: inline-flex; align-items: center; gap: 8px; }
.fnav a::before { content: "\f105"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 11px; color: var(--pri-l); }
.fnav a:hover { color: #fff; }

.fct li { font-size: 13.5px; line-height: 1.9; margin-bottom: 12px; display: flex; gap: 10px; }
.fct li i { color: var(--pri-l); font-size: 13px; margin-top: 5px; flex: none; }
.fct li span { min-width: 0; word-break: break-all; }
.fct li a:hover { color: #fff; }

.fqr { text-align: center; }
.fqr .fi {
    width: 150px; height: 150px; margin: 0 auto; padding: 8px;
    background: #fff; display: flex; align-items: center; justify-content: center;
}
.fqr .fi img { width: 100%; height: 100%; object-fit: contain; }
.fqr p { margin-top: 14px; font-size: 13px; color: rgba(255, 255, 255, .5); }

.fbar { position: relative; z-index: 2; border-top: 1px solid rgba(255, 255, 255, .1); }
.fbar-in {
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
    padding: 22px 0; font-size: 13.5px; flex-wrap: wrap;
}
.fbar-l { display: flex; align-items: center; gap: 8px 22px; flex-wrap: wrap; }
.fbar-r { display: flex; align-items: center; gap: 12px; color: rgba(255, 255, 255, .4); }
.fbar-r a { color: rgba(255, 255, 255, .5); display: inline-flex; align-items: center; gap: 6px; }
.fbar-r a i { font-size: 12px; opacity: .85; }
.fbar-r .fsp { width: 1px; height: 11px; background: rgba(255, 255, 255, .18); }
.fbar a:hover { color: #fff; }
.fbar .fb-icp:empty { display: none; }

/* ==========================================================================
   15. 回到顶部 / 移动端底部
   ========================================================================== */
.totop {
    position: fixed; right: 26px; bottom: 34px; z-index: 70;
    width: 50px; height: 50px; display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 16px; background: var(--pri);
    box-shadow: 0 10px 24px rgba(9, 99, 160, .34);
    opacity: 0; visibility: hidden; transform: translateY(16px);
    transition: all var(--tr);
}
.totop.on { opacity: 1; visibility: visible; transform: none; }
.totop:hover { background: var(--pri-d); }

.mbar { display: none; }

/* ==========================================================================
   16. 响应式
   ========================================================================== */
@media (max-width: 1440px) {
    .nav-in > li > a { padding: 0 21px; font-size: 15.5px; }
}

@media (max-width: 1280px) {
    .logo img { width: 262px; height: 70px; }
    .hot-tx span { font-size: 21px; }
    .nav-in > li > a { padding: 0 17px; font-size: 15px; }
    .prod-grid, .adv-grid, .gal-grid { gap: 20px; }
    .flow-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px 12px; }
    .flow-line { display: none; }
    .foot-in { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
}

@media (max-width: 1100px) {
    .hsearch.open form { width: 200px; }
    .hot-tx b { display: none; }
    .abt { gap: 44px; }
    /* 广告标题按视口缩放，避免在 1000px 附近被挤成「…技 / 术」的孤字 */
    .adbar-tit { font-size: 3vw; }
}

@media (max-width: 992px) {
    /* 头部：平板保留销售热线，手机全部收起，汉堡靠右 */
    /* 搜索：图标常驻，点开为整行下拉搜索条 */
    .hsearch { display: flex; }
    .hsearch form {
        position: absolute; left: 0; right: 0; top: 100%;
        width: auto; height: 0; padding: 0 16px; overflow: hidden;
        border: 0; border-radius: 0; background: #fff;
        box-shadow: 0 14px 26px rgba(6, 22, 36, .1);
        transition: height var(--tr), padding var(--tr);
    }
    .hsearch.open form { width: auto; height: 62px; padding: 0 16px; border: 0; background: #fff; }
    .hsearch input[type="text"] { height: 46px; }
    .hsearch button[type="submit"] { width: 36px; height: 36px; }
    .hsearch .hs-toggle { width: 40px; height: 40px; font-size: 15px; }
    .hsearch.open .hs-toggle { background: var(--bg-soft); }
    .nav-toggle { display: flex; }
    .logo img { width: 232px; height: 62px; }
    .hdr-in { height: 74px; }

    /* 导航 → 抽屉 */
    .nav {
        position: fixed; left: 0; top: 0; bottom: 0; width: 300px;
        background: var(--pri-d); z-index: 100; transform: translateX(-102%);
        transition: transform var(--tr); overflow-y: auto; padding: 12px 0 40px;
    }
    .nav.on { transform: none; }
    .nav-in { display: block; }
    .nav-in > li { border-bottom: 1px solid rgba(255, 255, 255, .09); }
    .nav-in > li > a { height: 50px; padding: 0 22px; font-size: 15.5px; justify-content: space-between; }
    .nav-in > li > a::after { display: none; }
    .nav-dd {
        position: static; opacity: 1; visibility: visible; transform: none;
        box-shadow: none; border-top: 0; background: rgba(0, 0, 0, .18); padding: 0;
        max-height: 0; overflow: hidden; transition: max-height var(--tr);
    }
    .nav-dd a { color: rgba(255, 255, 255, .72); padding: 10px 34px; font-size: 14px; }
    .nav-dd a i { display: none; }
    .nav-dd a:hover { background: rgba(0, 0, 0, .2); color: #fff; padding-left: 40px; }
    .nav-dd a::before { display: none; }
    .nav-in > li.open .nav-dd { max-height: 420px; }
    .nav-in > li.open > a i { transform: rotate(180deg); }

    /* 内容 */
    .hero-pc { display: none; }
    .hero-slides.hero-mb { display: block; }
    .hero-ctrl { width: 40px; height: 40px; font-size: 14px; }
    .hero-prev { left: 12px; }
    .hero-next { right: 12px; }
    .hero-dots { bottom: 14px; }
    .hero-dots button { width: 22px; height: 3px; }
    .hero-dots button.on { width: 34px; }
    .scroll-tip { display: none; }

    .prod-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .adv-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
    .acard { --ac-img: 220px; }
    .gal-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

    .adbar-in { grid-template-columns: minmax(0, 1fr); gap: 16px; min-height: 0; padding-top: 48px; text-align: center; }
    .adbar-rev .adbar-in { grid-template-columns: minmax(0, 1fr); }
    .adbar-rev .adbar-pic { order: 0; }
    .adbar-tit { font-size: 30px; }
    .adbar-sub { font-size: 15px; margin-left: auto; margin-right: auto; }
    .adbar-act { justify-content: center; }
    .adbar-pic img { max-height: 300px; }

    .abt { grid-template-columns: minmax(0, 1fr); gap: 46px; }
    .abt-pic .badge { right: 0; bottom: -20px; width: 156px; padding: 18px 16px; }
    .abt-pic .badge .bn { font-size: 40px; }
    .abt-pic .badge .bn s { font-size: 13px; }

    .news { grid-template-columns: minmax(0, 1fr); gap: 32px; }
    .film-item { width: 320px; }

    .totop { right: 16px; bottom: 84px; width: 44px; height: 44px; }
}

@media (max-width: 767px) {
    .top { display: none; }
    .hot { display: none; }
    .logo img { width: 196px; height: 52px; }
    .hdr-in { height: 62px; }

    .sec-hd-row { align-items: flex-start; flex-direction: column; gap: 20px; margin-bottom: 32px; }
    .sec-hd-row .sec-hd { margin-bottom: 0; }
    .prod-tabs { gap: 6px; margin-bottom: 24px; justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; scrollbar-width: none; }
    .prod-tabs::-webkit-scrollbar { display: none; }
    .prod-tabs .tb { flex: none; padding: 10px 18px; font-size: 14.5px; }

    .prod-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .pcard .pc-tx { padding: 12px 14px 14px; }
    .pcard .pc-t { font-size: 14.5px; }
    .pcard .pc-ar { width: 26px; height: 26px; font-size: 11px; }

    .adbar-tit { font-size: 23px; }
    .adbar-sub { font-size: 14px; line-height: 1.85; }
    .adbar-tel .at span { font-size: 22px; }
    .adbar-tel .ai { width: 46px; height: 46px; font-size: 17px; }
    .adbar-pic img { max-height: 300px; }

    .acard { grid-template-columns: minmax(0, 1fr); }
    .acard .pic { aspect-ratio: 16 / 9; }
    .acard .ac-bd { padding: 20px 18px 22px; }
    .acard .ac-t { font-size: 16.5px; padding-right: 42px; }
    .acard .ac-c { font-size: 13.5px; }
    .acard .ac-no { font-size: 42px; right: 12px; top: 2px; }

    .gal-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .gcard .gtx { padding: 12px 14px; }
    .gcard .gtx h3 { font-size: 14px; }
    .gcard .gmore { display: none; }

    .film-item .ft { padding: 16px 46px 17px 18px; font-size: 15.5px; }
    .film-item .ft::before { width: 2px; }
    .film-item .ft::after { right: 15px; font-size: 13px; }

    .flow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 10px; }
    .fstep .fs-dot { width: 74px; height: 74px; }
    .fstep .fs-dot img { max-width: 40px; max-height: 40px; }
    .fstep .fs-t { font-size: 14px; margin-top: 12px; }

    .mq-item { width: 168px; padding: 14px 12px; }
    .mq-item .mi-pic { height: 48px; }
    .mq-item .mi-pic img { max-height: 48px; }
    .mq-item .mi-t { font-size: 13px; }
    .mq::before, .mq::after { width: 40px; }

    .abt-pt { gap: 10px; margin: 22px 0 26px; }
    .abt-pt li b { font-size: 30px; }
    .abt-pt li b s { font-size: 12.5px; }
    .abt-pt li > span { font-size: 12.5px; }
    .abt-txt { font-size: 14px; }
    .abt-act .btn { flex: 1; }

    .nfeature .nf-bd { padding: 18px 18px 20px; }
    .nfeature .nf-t { font-size: 18px; }
    .nlist .nl-d { width: 56px; padding-right: 12px; }
    .nlist .nl-d b { font-size: 20px; }
    .nlist .nl-t { font-size: 15px; }
    .nlist .nl-c { display: none; }

    .links { display: none; }
    .links-in { flex-direction: column; gap: 8px; }
    .links-bd { gap: 4px 16px; font-size: 12.5px; }

    .foot { padding-top: 46px; }
    .foot-in { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 20px; padding-bottom: 34px; }
    .fco { grid-column: 1 / -1; }
    .fcol-t { font-size: 15.5px; margin-bottom: 18px; padding-bottom: 11px; }
    .fco .fco-logo { width: 220px; height: 60px; }
    .fnav li { margin-bottom: 9px; }
    .fnav a { font-size: 13px; }
    .fct li { font-size: 12.5px; gap: 8px; margin-bottom: 9px; }
    .fqr { grid-column: 1 / -1; display: flex; align-items: center; gap: 20px; text-align: left; }
    .fqr .fi { margin: 0; width: 112px; height: 112px; }
    .fqr p { margin-top: 0; font-size: 12.5px; }
    .fbar-in { justify-content: center; text-align: center; font-size: 12.5px; padding: 18px 0 28px; }
    .fbar-l { justify-content: center; gap: 4px 14px; }
    .fbar-r { justify-content: center; }

    .totop { display: none; }

    /* 移动端底部三按钮 */
    .mbar {
        display: grid; grid-template-columns: repeat(3, 1fr);
        position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
        height: 56px; background: #fff; border-top: 1px solid var(--line);
        box-shadow: 0 -6px 22px rgba(8, 40, 68, .1);
    }
    .mbar a {
        display: flex; flex-direction: column; align-items: center;
        padding-top: 9px; color: var(--ink-3); font-size: 11px; position: relative;
    }
    .mbar a i { font-size: 17px; line-height: 1; }
    .mbar a > span { margin-top: auto; margin-bottom: 7px; line-height: 1; }
    .mbar a.on { color: var(--pri); }
    .mbar a.tel { padding-top: 0; }
    .mbar a.tel i {
        position: absolute; left: 50%; top: calc(50% - 17px); transform: translate(-50%, -50%);
        width: 56px; height: 56px; border-radius: 50%;
        display: flex; align-items: center; justify-content: center;
        color: #fff; font-size: 22px;
        background: linear-gradient(135deg, var(--pri-l), var(--pri));
        box-shadow: 0 8px 20px rgba(9, 99, 160, .42);
        border: 3px solid #fff;
    }
    .mbar a.tel i::after {
        content: ""; position: absolute; inset: -2px; border-radius: 50%;
        border: 1px solid var(--pri); animation: hotPulse 2.4s ease-out infinite;
    }
    /* 底部只留条高，悬浮圆钮靠 footer 内边距避让，避免页面尾部出现空隙 */
    body { padding-bottom: 56px; }
}

@media (max-width: 400px) {
    .logo img { width: 168px; height: 45px; }
    .prod-tabs .tb { padding: 9px 14px; font-size: 13.5px; }
    .adbar-tit { font-size: 20px; }
    .gal-grid { gap: 10px; }
}