/* ============================================================
   ABOUT US — Page Stylesheet  (scoped to body.page-about)
   ============================================================ */
body.page-about{
    --about-blue: #2b78f6;
    --about-cyan: #22d0ff;
    --about-deep: #0a1a3a;
    --about-text: #2a3b5e;
    --about-text-light: #5b6884;
    --about-bg-soft: #f4faff;
    --about-grad: linear-gradient(135deg, #2b78f6 0%, #22d0ff 100%);
    --about-grad-soft: linear-gradient(135deg, rgba(43,120,246,.12), rgba(34,208,255,.04));
    --about-card-shadow: 0 25px 60px -25px rgba(43, 120, 246, .25);

    overflow-x: hidden;
}
body.page-about *{ box-sizing: border-box; }

/* Override fixed-width .m12 so content scales on narrow screens */
.page-about .m12{
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

/* ============================================================
   1.  Banner
   ============================================================ */
.page-about .about_banner{
    position: relative;
    width: 100%;
    min-height: 500px;
    overflow: hidden;
    background: #06122e;
    color: #fff;
    isolation: isolate;
}
.about_banner_bg{
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: brightness(.55) saturate(.85);
    transform: scale(1.06);
    z-index: 0;
    animation: aboutBgFloat 22s ease-in-out infinite alternate;
}
@keyframes aboutBgFloat{
    0%   { transform: scale(1.06) translate(0, 0); }
    100% { transform: scale(1.1) translate(-20px, -10px); }
}
.about_banner_mask{
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(6,18,46,.55) 0%, rgba(6,18,46,.85) 60%, rgba(6,18,46,.96) 100%),
        linear-gradient(90deg, rgba(6,18,46,.9) 0%, rgba(6,18,46,.25) 60%, rgba(6,18,46,.5) 100%);
    z-index: 1;
}
.about_banner_grid{
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(34,208,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34,208,255,.06) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: aboutGridMove 30s linear infinite;
    z-index: 2;
    pointer-events: none;
}
@keyframes aboutGridMove{
    0%   { background-position: 0 0, 0 0; }
    100% { background-position: 40px 40px, 40px 40px; }
}
.about_banner_orb{
    position: absolute;
    width: 620px;
    height: 620px;
    right: -180px;
    top: -180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(34,208,255,.28), transparent 60%);
    filter: blur(40px);
    z-index: 2;
    animation: aboutOrbFloat 14s ease-in-out infinite;
    pointer-events: none;
}
.about_banner_orb2{
    width: 500px;
    height: 500px;
    right: auto;
    top: auto;
    left: -150px;
    bottom: -180px;
    background: radial-gradient(circle, rgba(43,120,246,.28), transparent 60%);
    animation-duration: 18s;
    animation-direction: reverse;
}
@keyframes aboutOrbFloat{
    0%, 100% { transform: translate(0, 0); }
    50%      { transform: translate(-60px, 40px); }
}

/* --- Banner Content --- */
.about_banner_inner{
    position: relative;
    z-index: 5;
    max-width: 1200px;
    margin: 0 auto;
    padding: 110px 24px 70px;
    width: 100%;
}
.about_banner_badge{
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 7px 18px;
    border-radius: 999px;
    background: rgba(255,255,255,.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,.18);
    font-size: 12px;
    letter-spacing: 4px;
    color: rgba(255,255,255,.85);
    margin-bottom: 28px;
    font-weight: 500;
}
.about_banner_badge::before{
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--about-cyan);
    box-shadow: 0 0 12px rgba(34,208,255,.85);
    animation: aboutPulse 1.8s ease-in-out infinite;
}
@keyframes aboutPulse{
    0%, 100% { opacity: .55; transform: scale(1); }
    50%      { opacity: 1;   transform: scale(1.45); }
}
.about_banner_title{
    font-size: clamp(34px, 4.4vw, 58px);
    font-weight: 700;
    line-height: 1.18;
    margin: 0 0 22px;
    background: linear-gradient(135deg, #ffffff 0%, #d3e6ff 60%, #22d0ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -.5px;
    font-family: PingFang SC, Microsoft YaHei, Inter, sans-serif;
}
.about_banner_desc{
    font-size: clamp(15px, 1.2vw, 18px);
    line-height: 1.75;
    color: rgba(255,255,255,.78);
    max-width: 640px;
    margin: 0;
}
.about_banner_chips{
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 36px;
}
.about_banner_chip{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 999px;
    background: rgba(255,255,255,.07);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.15);
    color: rgba(255,255,255,.85);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .3px;
    transition: transform .35s ease, background .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.about_banner_chip:hover{
    background: rgba(43,120,246,.18);
    border-color: rgba(34,208,255,.45);
    transform: translateY(-3px);
    box-shadow: 0 12px 25px -10px rgba(34,208,255,.4);
}
.about_banner_chip i{
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--about-cyan);
    box-shadow: 0 0 6px rgba(34,208,255,.85);
}

/* --- Banner Right Visual --- */
.about_banner_visual{
    position: absolute;
    right: -60px;
    top: 50%;
    transform: translateY(-50%);
    width: 460px;
    height: 460px;
    z-index: 3;
    pointer-events: none;
}
.about_visual_ring{
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(34,208,255,.25);
    inset: 0;
}
.about_visual_ring.r1{
    border-color: rgba(34,208,255,.35);
    border-style: dashed;
    animation: aboutSpin 28s linear infinite;
}
.about_visual_ring.r2{
    inset: 60px;
    border-color: rgba(43,120,246,.4);
    animation: aboutSpin 22s linear infinite reverse;
}
.about_visual_ring.r3{
    inset: 120px;
    border-color: rgba(34,208,255,.55);
    border-style: dotted;
    animation: aboutSpin 16s linear infinite;
}
.about_visual_ring::before{
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--about-cyan);
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 16px rgba(34,208,255,.9);
}
.about_visual_ring.r2::before{
    background: var(--about-blue);
    box-shadow: 0 0 16px rgba(43,120,246,.9);
    top: auto; bottom: -5px;
}
.about_visual_core{
    position: absolute;
    width: 110px;
    height: 110px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(34,208,255,.8), rgba(43,120,246,.2) 60%, transparent 75%);
    filter: blur(2px);
    animation: aboutCorePulse 3.5s ease-in-out infinite;
}
@keyframes aboutSpin{
    to { transform: rotate(360deg); }
}
@keyframes aboutCorePulse{
    0%, 100% { transform: translate(-50%, -50%) scale(1);   opacity: .8; }
    50%      { transform: translate(-50%, -50%) scale(1.15); opacity: 1;  }
}

/* ============================================================
   2.  Mod1 — Company Profile
   ============================================================ */
.page-about .mod1{
    padding: 110px 0;
    background: #fff;
    position: relative;
    overflow: hidden;
}
.page-about .mod1::before{
    content: "";
    position: absolute;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(43,120,246,.08), transparent 70%);
    right: -180px;
    top: 60px;
    filter: blur(60px);
    pointer-events: none;
}
.mod1_inner{
    display: flex;
    align-items: center;
    gap: 70px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}
.mod1_visual{
    flex: 0 0 540px;
    position: relative;
    min-width: 0;
}
.mod1_visual img{
    width: 100%;
    height: auto;
    display: block;
    border-radius: 18px;
    box-shadow: 0 30px 60px -25px rgba(43,120,246,.35);
    transition: transform .6s cubic-bezier(.2,.8,.2,1), box-shadow .6s ease;
    margin: 0;
}
.mod1_visual:hover img{
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 40px 80px -25px rgba(43,120,246,.5);
}
.mod1_visual::before{
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 18px;
    border: 2px solid transparent;
    background: var(--about-grad) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    z-index: 0;
    opacity: .65;
    transform: translate(18px, 18px);
    transition: transform .6s ease, opacity .6s ease;
    pointer-events: none;
}
.mod1_visual:hover::before{
    transform: translate(12px, 12px);
    opacity: .85;
}
.mod1_visual_badge{
    position: absolute;
    bottom: -22px;
    right: 28px;
    padding: 12px 22px;
    border-radius: 12px;
    background: var(--about-grad);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 18px 40px -10px rgba(43,120,246,.5);
    z-index: 3;
    font-size: 13px;
    letter-spacing: 1.5px;
}
.mod1_visual_dot{
    position: absolute;
    top: 20px;
    left: 20px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--about-cyan);
    box-shadow: 0 0 0 6px rgba(34,208,255,.18), 0 0 18px rgba(34,208,255,.8);
    z-index: 3;
    animation: aboutPulse 2s ease-in-out infinite;
}
.mod1_content_wrap{
    flex: 1 1 0;
    min-width: 0;
}
.mod1_eyebrow{
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: var(--about-blue);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 18px;
    text-transform: uppercase;
}
.mod1_eyebrow::before{
    content: "";
    width: 44px;
    height: 2px;
    background: var(--about-grad);
    border-radius: 2px;
}
.page-about .mod1_title{
    color: var(--about-deep);
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 24px;
    font-family: PingFang SC, Microsoft YaHei, Inter, sans-serif;
    background: linear-gradient(135deg, #0a1a3a 0%, #2b78f6 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
}
.page-about .mod1_title::after{
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: var(--about-grad);
    border-radius: 2px;
    margin-top: 18px;
    box-shadow: 0 6px 14px -3px rgba(43,120,246,.4);
}
.page-about .mod1 .page_cont{
    color: var(--about-text);
    font-size: 16px;
    line-height: 1.9;
    text-align: justify;
    font-family: PingFang SC, Microsoft YaHei, Inter, sans-serif;
    font-weight: 400;
}
.page-about .mod1 .page_cont p{
    margin: 0 0 16px;
}
.page-about .mod1 .page_cont p:last-child{ margin-bottom: 0; }

/* ============================================================
   3.  Mod2 — Core Values
   ============================================================ */
.page-about .mod2_box{
    background: linear-gradient(180deg, #F4FAFF 0%, #ffffff 100%);
    padding: 110px 0;
    position: relative;
    overflow: hidden;
}
.page-about .mod2_box::before,
.page-about .mod2_box::after{
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    pointer-events: none;
}
.page-about .mod2_box::before{
    background: radial-gradient(circle, rgba(43,120,246,.1), transparent 70%);
    left: -200px;
    top: 30%;
}
.page-about .mod2_box::after{
    background: radial-gradient(circle, rgba(34,208,255,.08), transparent 70%);
    right: -200px;
    bottom: 10%;
}
.page-about .mod2_box > .m12{
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.mod2_header{
    text-align: center;
    margin-bottom: 80px;
}
.mod2_label{
    display: inline-block;
    color: var(--about-blue);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 4px;
    margin-bottom: 14px;
    text-transform: uppercase;
}
.page-about .mod2_box .first_title{
    font-size: clamp(28px, 3.4vw, 44px);
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 14px;
    background: linear-gradient(135deg, #0a1a3a 0%, #2b78f6 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-family: PingFang SC, Microsoft YaHei, Inter, sans-serif;
    display: block;
    text-align: center;
}
.page-about .mod2_box .first_title::after{
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: var(--about-grad);
    border-radius: 2px;
    margin: 18px auto 0;
    box-shadow: 0 6px 14px -3px rgba(43,120,246,.4);
}
.mod2_subtitle{
    color: var(--about-text-light);
    font-size: 15px;
    margin: 18px 0 0;
    font-weight: 400;
    letter-spacing: .5px;
}

/* --- Value List --- */
.page-about .mod2{
    display: flex;
    flex-direction: column;
    gap: 110px;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    counter-reset: m2;
    align-items: stretch;
}
.page-about .mod2_list{
    display: flex;
    align-items: center;
    gap: 70px;
    width: 100%;
    counter-increment: m2;
    position: relative;
}
.page-about .mod2_list:nth-child(even){
    flex-direction: row-reverse;
}
.page-about .m2_l{
    flex: 1 1 0;
    min-width: 0;
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
    position: relative;
}
.page-about .mod2_tt{
    color: var(--about-deep);
    font-size: clamp(24px, 2.4vw, 34px);
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 22px;
    padding-left: 78px;
    text-align: left !important;
    position: relative;
    font-family: PingFang SC, Microsoft YaHei, Inter, sans-serif;
    min-height: 60px;
    display: flex;
    align-items: center;
}
.page-about .mod2_tt::before{
    content: "0" counter(m2);
    position: absolute;
    left: 0;
    top: -2px;
    font-size: 64px;
    font-weight: 800;
    line-height: 1;
    background: var(--about-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    opacity: .25;
    font-family: Inter, sans-serif;
    letter-spacing: -1px;
    transition: opacity .4s ease, transform .4s ease;
}
.page-about .mod2_list:hover .mod2_tt::before{
    opacity: .45;
    transform: scale(1.05);
}
.page-about .mod2_tt::after{
    content: "";
    position: absolute;
    left: 78px;
    bottom: -16px;
    width: 50px;
    height: 3px;
    background: var(--about-grad);
    border-radius: 2px;
    box-shadow: 0 6px 14px -3px rgba(43,120,246,.4);
    transition: width .4s ease;
}
.page-about .mod2_list:hover .mod2_tt::after{
    width: 80px;
}
.page-about .mod2_text{
    width: auto;
    color: var(--about-text-light);
    font-size: 15px;
    line-height: 1.9;
    padding: 30px 0 0 78px;
    margin: 0;
    font-family: PingFang SC, Microsoft YaHei, Inter, sans-serif;
    font-weight: 400;
}
.page-about .mod2_text a{
    color: var(--about-blue);
    font-weight: 500;
    text-decoration: underline;
    text-decoration-color: rgba(43,120,246,.45);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color .22s, text-decoration-color .22s;
}
.page-about .mod2_text a:hover{
    color: var(--about-cyan);
    text-decoration-color: var(--about-cyan);
}

/* --- Image Cards --- */
.page-about .m2_r{
    flex: 0 0 540px;
    width: 540px;
    height: 360px;
    border-radius: 18px;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    box-shadow: 0 30px 60px -25px rgba(43,120,246,.3);
    transition: transform .55s cubic-bezier(.2,.8,.2,1), box-shadow .55s ease;
    position: relative;
    overflow: hidden;
    float: none !important;
    margin: 0 !important;
}
.page-about .m2_r::before{
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(43,120,246,0) 0%, rgba(34,208,255,.22) 100%);
    opacity: 0;
    transition: opacity .4s ease;
    z-index: 1;
    border-radius: inherit;
}
.page-about .m2_r::after{
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.35);
    pointer-events: none;
    z-index: 2;
}
.page-about .mod2_list:hover .m2_r{
    transform: translateY(-10px);
    box-shadow: 0 40px 80px -25px rgba(43,120,246,.45);
}
.page-about .mod2_list:hover .m2_r::before{
    opacity: 1;
}

/* Per-item backgrounds kept (override original for !important safety) */
.page-about .mod2_list:nth-child(1) .m2_r{ background-image: url(/style/img/about_m2_1.png); }
.page-about .mod2_list:nth-child(2) .m2_r{ background-image: url(/style/img/about_m2_2.jpg); }
.page-about .mod2_list:nth-child(3) .m2_r{ background-image: url(/style/img/about_m2_3.jpg); }
.page-about .mod2_list:nth-child(4) .m2_r{ background-image: url(/style/img/about_m2_4.jpg); }
.page-about .mod2_list:nth-child(5) .m2_r{ background-image: url(/style/img/about_m2_5.jpg); }
.page-about .mod2_list:nth-child(6) .m2_r,
.page-about .mod2_list:last-child .m2_r{ background-image: url(/style/img/about_m2_6.jpg); }

/* ============================================================
   4.  Responsive
   ============================================================ */
@media (max-width: 1280px){
    .page-about .about_banner{ min-height: 460px; }
    .about_banner_inner{ padding: 90px 24px 60px; }
    .about_banner_visual{ width: 380px; height: 380px; right: -80px; }
    .about_visual_ring.r2{ inset: 50px; }
    .about_visual_ring.r3{ inset: 100px; }
    .page-about .mod1{ padding: 90px 0; }
    .mod1_inner{ gap: 56px; }
    .mod1_visual{ flex: 0 0 460px; }
    .page-about .mod2_box{ padding: 90px 0; }
    .page-about .mod2{ gap: 90px; }
    .page-about .mod2_list{ gap: 56px; }
    .page-about .m2_r{ flex: 0 0 460px; width: 460px; height: 320px; }
}

@media (max-width: 1024px){
    .about_banner_visual{ display: none; }
    .about_banner_inner{ padding: 80px 24px 56px; }
    .about_banner_desc{ max-width: 100%; }
    .page-about .mod1{ padding: 80px 0; }
    .mod1_inner{ gap: 48px; }
    .mod1_visual{ flex: 0 0 420px; }
    .page-about .m2_r{ flex: 0 0 420px; width: 420px; height: 300px; }
    .mod2_header{ margin-bottom: 70px; }
}

@media (max-width: 880px){
    .page-about .about_banner{ min-height: 420px; }
    .mod1_inner,
    .page-about .mod2_list{
        flex-direction: column !important;
        gap: 40px;
        align-items: stretch;
    }
    .mod1_visual{
        flex: 0 0 auto;
        width: 100%;
        max-width: 540px;
        margin: 0 auto;
    }
    .page-about .m2_r{
        flex: 0 0 auto;
        width: 100%;
        max-width: 600px;
        height: clamp(220px, 42vw, 320px);
        margin: 0 auto !important;
    }
    .page-about .mod2{ gap: 80px; }
}

@media (max-width: 640px){
    .page-about .about_banner{ min-height: 380px; }
    .about_banner_inner{ padding: 70px 16px 40px; }
    .about_banner_badge{
        padding: 6px 14px;
        font-size: 11px;
        letter-spacing: 3px;
        margin-bottom: 22px;
    }
    .about_banner_chips{ gap: 8px; margin-top: 26px; }
    .about_banner_chip{
        padding: 6px 14px;
        font-size: 12px;
    }
    .about_banner_orb{ width: 380px; height: 380px; }
    .about_banner_orb2{ width: 300px; height: 300px; }

    .page-about .mod1{ padding: 60px 0; }
    .mod1_inner{ gap: 36px; padding: 0 16px; }
    .mod1_visual_badge{
        padding: 9px 16px;
        font-size: 11px;
        bottom: -14px;
        right: 14px;
        letter-spacing: 1px;
    }
    .page-about .mod1 .page_cont{ font-size: 14.5px; line-height: 1.85; }

    .page-about .mod2_box{ padding: 60px 0; }
    .page-about .mod2_box > .m12{ padding: 0 16px; }
    .mod2_header{ margin-bottom: 50px; }
    .page-about .mod2{ gap: 56px; }
    .page-about .mod2_list{ gap: 28px; }
    .page-about .mod2_tt{
        padding-left: 60px;
        font-size: clamp(22px, 6vw, 28px);
        min-height: 50px;
    }
    .page-about .mod2_tt::before{
        font-size: 50px;
    }
    .page-about .mod2_tt::after{
        left: 60px;
        bottom: -12px;
        width: 40px;
    }
    .page-about .mod2_text{
        padding: 22px 0 0 60px;
        font-size: 14px;
    }
}

/* ============================================================
   5.  Backward compat — pages still using the old `.banner` rule
   ============================================================ */
body:not(.page-about) .banner{
    position: relative;
    width: 100%;
    height: 320px;
}
body:not(.page-about) .ban_cont{
    color: #253554;
    text-align: center;
    font-family: PingFang SC;
}
body:not(.page-about) .ban_cont h3{
    font-size: 36px;
    font-weight: 600;
    line-height: 44px;
}
body:not(.page-about) .ban_cont p{
    font-size: 18px;
    font-weight: 400;
    line-height: 28px;
}