/* ============================================
   香港瑞福康集团有限公司 — Redesign
   Cardiovascular Health · 医药健康
   Editorial · Upscale · Image-free
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Serif+SC:wght@500;700;900&family=Noto+Sans+SC:wght@300;400;500;600;700;800&display=swap');

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:"Noto Sans SC","Inter","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
    color:#1a2432;background:#fafaf7;line-height:1.75;font-size:15px;
    -webkit-font-smoothing:antialiased;font-feature-settings:"tnum" 1,"ss01" 1;
}
a{color:inherit;text-decoration:none;transition:color .35s ease,background .35s ease,transform .35s ease}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;outline:none;border:none;background:none;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid #b8202b;outline-offset:3px;border-radius:4px}

:root{
    --ink:          #0a1628;
    --ink-2:        #16233a;
    --ink-3:        #33465e;
    --text-1:       #1a2432;
    --text-2:       #4a5566;
    --text-3:       #8892a4;
    --line:         #e6e2d8;
    --line-soft:    #efece5;
    --paper:        #fafaf7;
    --paper-2:      #f4f1ea;
    --paper-3:      #ece7db;

    --primary:      #0d5e9c;
    --primary-dark: #08406e;
    --primary-soft: #eaf1f9;
    --accent:       #b8202b;
    --accent-dark:  #8a171f;
    --accent-soft:  #fbecec;
    --gold:         #b0894c;
    --gold-soft:    #f2ead6;

    --shadow-xs:    0 1px 2px rgba(10,22,40,.04),0 2px 6px rgba(10,22,40,.04);
    --shadow-sm:    0 6px 20px -8px rgba(10,22,40,.12),0 2px 6px rgba(10,22,40,.05);
    --shadow-md:    0 20px 45px -18px rgba(10,22,40,.22),0 8px 18px -10px rgba(10,22,40,.10);
    --shadow-lg:    0 40px 80px -30px rgba(10,22,40,.30),0 14px 30px -18px rgba(10,22,40,.12);

    --f-display:    "Noto Serif SC","Noto Sans SC",serif;
    --f-latin:      "Inter",sans-serif;

    --rad-sm:8px; --rad:14px; --rad-lg:22px;
}

/* subtle noise overlay for whole page */
body::before{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:1000;opacity:.35;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .04 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    mix-blend-mode:multiply;
}

.container{max-width:1280px;margin:0 auto;padding:0 32px}

/* ============ 顶部信息栏 ============ */
.top-bar{
    background:var(--ink);color:#c4cad4;
    font-size:12px;padding:10px 0;letter-spacing:.14em;
    border-bottom:1px solid rgba(255,255,255,.06);
    font-family:var(--f-latin);
}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.top-bar .welcome{font-family:"Noto Sans SC",sans-serif;letter-spacing:.08em}
.top-bar .info span{margin-left:28px;font-variant-numeric:tabular-nums}
.top-bar .info span:first-child{margin-left:0}

/* ============ 头部导航 ============ */
.header{
    background:rgba(250,250,247,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line-soft);
    position:sticky;top:0;z-index:99;
}
.header .container{display:flex;justify-content:space-between;align-items:center;height:84px;gap:40px}
.logo{display:flex;align-items:center;gap:14px}
.logo-mark{
    width:56px;height:56px;
    object-fit:contain;
    background:transparent;
    display:block;
}
.logo-text h1{font-family:var(--f-display);font-size:19px;font-weight:700;color:var(--ink);letter-spacing:2px;line-height:1.15}
.logo-text p{font-family:var(--f-latin);font-size:10px;color:var(--primary);letter-spacing:.35em;margin-top:5px;font-weight:600}

.nav ul{display:flex;gap:2px}
.nav a{
    display:block;padding:10px 16px;font-size:14.5px;font-weight:500;color:var(--text-2);
    position:relative;letter-spacing:.5px;
}
.nav a::before{
    content:"";position:absolute;left:16px;right:16px;bottom:2px;height:1px;
    background:currentColor;transform:scaleX(0);transform-origin:right;
    transition:transform .4s cubic-bezier(.65,.05,.36,1);
}
.nav a:hover::before{transform:scaleX(1);transform-origin:left}
.nav a:hover,.nav li.active a{color:var(--ink)}
.nav li.active a::after{
    content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
    width:5px;height:5px;border-radius:50%;background:var(--accent);
}

/* ============ Visual Blocks (image replacement) ============ */
.v-block{
    position:relative;overflow:hidden;border-radius:var(--rad-lg);
    background:linear-gradient(140deg,#0e2748 0%,#0a3660 55%,#0d5e9c 120%);
    color:#fff;isolation:isolate;
}
.v-block::before{
    content:"";position:absolute;inset:0;z-index:0;opacity:.55;
    background:
        radial-gradient(60% 60% at 20% 25%,rgba(255,255,255,.14),transparent 60%),
        radial-gradient(50% 50% at 85% 80%,rgba(184,32,43,.35),transparent 65%);
}
.v-block::after{
    content:"";position:absolute;inset:0;z-index:0;opacity:.45;pointer-events:none;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='320' height='320'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.7' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .08 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
.v-block > *{position:relative;z-index:1}

.v-art{
    position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
    pointer-events:none;
}
.v-art svg{width:82%;height:82%;max-width:520px;opacity:.9}
.v-caption{
    position:absolute;left:26px;bottom:24px;z-index:2;
    display:flex;flex-direction:column;gap:6px;
}
.v-caption .en{font-family:var(--f-latin);font-size:11px;letter-spacing:.35em;color:rgba(255,255,255,.65);text-transform:uppercase}
.v-caption .cn{font-family:var(--f-display);font-size:22px;font-weight:700;letter-spacing:2px;color:#fff;line-height:1.2}
.v-corner{
    position:absolute;right:22px;top:20px;z-index:2;
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 14px;background:rgba(255,255,255,.12);color:#fff;
    border:1px solid rgba(255,255,255,.22);border-radius:99px;
    font-family:var(--f-latin);font-size:11px;letter-spacing:.24em;
    backdrop-filter:blur(6px);
}
.v-corner .dot{width:6px;height:6px;border-radius:50%;background:#ffd08a;box-shadow:0 0 8px #ffd08a}

/* variants */
.v--cream{background:linear-gradient(140deg,#f5f0e4 0%,#eae2d0 55%,#d9cdb0 120%);color:var(--ink)}
.v--cream::before{background:radial-gradient(60% 60% at 20% 25%,rgba(255,255,255,.5),transparent 60%),radial-gradient(50% 50% at 85% 80%,rgba(176,137,76,.25),transparent 65%)}
.v--cream .v-caption .en{color:rgba(20,30,50,.55)}
.v--cream .v-caption .cn{color:var(--ink)}
.v--cream .v-corner{background:rgba(255,255,255,.7);color:var(--ink-2);border-color:rgba(20,30,50,.12)}

.v--wine{background:linear-gradient(140deg,#3a0d15 0%,#7a1721 55%,#b8202b 130%)}
.v--wine::before{background:radial-gradient(60% 60% at 20% 20%,rgba(255,255,255,.15),transparent 60%),radial-gradient(50% 60% at 90% 90%,rgba(255,215,168,.30),transparent 65%)}

.v--steel{background:linear-gradient(140deg,#1a2432 0%,#2b3a52 55%,#4a5a75 120%)}
.v--dawn{background:linear-gradient(140deg,#0d3a5e 0%,#1a5788 45%,#c8917a 130%)}
.v--olive{background:linear-gradient(140deg,#1e2a1f 0%,#3d4f36 55%,#8a955c 130%)}
.v--rose{background:linear-gradient(140deg,#4a1a25 0%,#8a2f43 55%,#e5a5a5 130%)}

/* grid pattern overlay option */
.v-grid::before{
    background-image:
        linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
    background-size:44px 44px;opacity:1;
}

/* ============ 主 Banner ============ */
.banner{
    position:relative;overflow:hidden;
    background:radial-gradient(120% 100% at 15% 0%,#0d3766 0%,#0a1628 55%,#050d1a 100%);
    color:#f4f2ea;padding:120px 0 100px;
}
.banner.has-video{background:#050d1a}
.banner-video{
    position:absolute;inset:0;width:100%;height:100%;
    object-fit:cover;object-position:center;
    z-index:0;pointer-events:none;
    opacity:.5;
}
.banner.has-video::before{
    content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
    background:
        linear-gradient(180deg,rgba(5,13,26,.4) 0%,rgba(5,13,26,.55) 55%,rgba(5,13,26,.75) 100%),
        radial-gradient(48% 48% at 22% 32%,rgba(122,175,220,.18),transparent 60%),
        radial-gradient(46% 46% at 82% 68%,rgba(184,32,43,.28),transparent 65%);
}
.banner.has-video::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.4;z-index:1;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size:60px 60px;
    mask-image:radial-gradient(ellipse at center,#000 40%,transparent 80%);
}
.banner::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
        radial-gradient(48% 48% at 22% 32%,rgba(122,175,220,.18),transparent 60%),
        radial-gradient(46% 46% at 82% 68%,rgba(184,32,43,.28),transparent 65%);
}
.banner::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size:60px 60px;
    mask-image:radial-gradient(ellipse at center,#000 40%,transparent 80%);
}

/* particles */
.banner-particles{position:absolute;inset:0;z-index:1;pointer-events:none}
.banner-particles .p{
    position:absolute;width:5px;height:5px;border-radius:50%;
    background:rgba(255,255,255,.5);
    box-shadow:0 0 10px rgba(255,255,255,.6),0 0 20px rgba(170,210,240,.4);
    animation:floatUp 14s linear infinite;opacity:.6;
}
.banner-particles .p1{left:8%;bottom:-10px;animation-duration:16s}
.banner-particles .p2{left:18%;bottom:-10px;width:3px;height:3px;animation-duration:22s;animation-delay:-3s;background:#f8b4b8}
.banner-particles .p3{left:28%;bottom:-10px;animation-duration:13s;animation-delay:-6s}
.banner-particles .p4{left:42%;bottom:-10px;width:4px;height:4px;animation-duration:18s;animation-delay:-2s;background:#a9d4f2}
.banner-particles .p5{left:55%;bottom:-10px;animation-duration:15s;animation-delay:-5s}
.banner-particles .p6{left:65%;bottom:-10px;width:3px;height:3px;animation-duration:20s;animation-delay:-1s;background:#f2d3a0}
.banner-particles .p7{left:75%;bottom:-10px;animation-duration:17s;animation-delay:-4s;background:#e88a94}
.banner-particles .p8{left:88%;bottom:-10px;width:4px;height:4px;animation-duration:19s;animation-delay:-7s}
@keyframes floatUp{
    0%{transform:translateY(0) translateX(0);opacity:0}
    10%{opacity:.8}
    50%{transform:translateY(-55vh) translateX(20px)}
    90%{opacity:.5}
    100%{transform:translateY(-105vh) translateX(-20px);opacity:0}
}

/* ECG line */
.banner-ecg{position:absolute;left:0;right:0;bottom:24%;height:120px;z-index:1;pointer-events:none;opacity:.7}
.banner-ecg svg{width:100%;height:100%;display:block}
.ecg-path{
    stroke-dasharray:2400;stroke-dashoffset:2400;
    filter:drop-shadow(0 0 6px rgba(184,32,43,.6)) drop-shadow(0 0 14px rgba(240,140,150,.35));
    animation:ecgDraw 5s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes ecgDraw{
    0%{stroke-dashoffset:2400}
    60%{stroke-dashoffset:0}
    100%{stroke-dashoffset:-2400}
}

/* right decorative science group */
.banner-tech{position:absolute;right:6%;top:44%;transform:translateY(-50%);width:440px;height:440px;z-index:1;pointer-events:none}
.tech-heart{position:absolute;right:110px;top:60px;width:130px;height:130px;
    animation:heartBeat 1.4s cubic-bezier(.4,0,.6,1) infinite;
    filter:drop-shadow(0 14px 34px rgba(184,32,43,.55))}
.tech-heart svg{width:100%;height:100%;position:relative;z-index:2}
.heart-shine{animation:shineFade 3s ease-in-out infinite}
@keyframes shineFade{0%,100%{opacity:.3}50%{opacity:.9}}
@keyframes heartBeat{0%,100%{transform:scale(1)}14%{transform:scale(1.12)}28%{transform:scale(1)}42%{transform:scale(1.08)}70%{transform:scale(1)}}
.pulse-ring{position:absolute;inset:-20px;border-radius:50%;border:2px solid rgba(240,140,150,.5);animation:pulseRing 2.2s ease-out infinite}
.pulse-ring.d2{animation-delay:1.1s}
@keyframes pulseRing{0%{transform:scale(.7);opacity:.9}100%{transform:scale(1.8);opacity:0}}
.tech-dna{position:absolute;right:0;top:20px;width:64px;height:230px;
    animation:dnaRotate 9s linear infinite;filter:drop-shadow(0 0 8px rgba(160,205,235,.45))}
@keyframes dnaRotate{0%{transform:rotateY(0)}100%{transform:rotateY(360deg)}}
.tech-molecule{position:absolute;left:0;top:200px;width:150px;height:150px;
    animation:spin 22s linear infinite;opacity:.65;filter:drop-shadow(0 0 10px rgba(160,205,235,.30))}
@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}
.tech-capsule{
    position:absolute;right:20px;bottom:20px;width:96px;height:34px;border-radius:22px;overflow:hidden;
    transform:rotate(-32deg);
    box-shadow:0 12px 28px rgba(0,0,0,.35),inset 0 -6px 12px rgba(0,0,0,.15);
    animation:capsuleFloat 4.5s ease-in-out infinite;
}
.tech-capsule .cap-l,.tech-capsule .cap-r{position:absolute;top:0;bottom:0;width:50%}
.tech-capsule .cap-l{left:0;background:linear-gradient(180deg,#f4b0b6,#b8202b)}
.tech-capsule .cap-r{right:0;background:linear-gradient(180deg,#faf7f0,#e2dccd)}
.tech-capsule .cap-l::after,.tech-capsule .cap-r::after{
    content:"";position:absolute;top:6px;width:14px;height:5px;border-radius:6px;background:rgba(255,255,255,.55);left:12px;
}
@keyframes capsuleFloat{0%,100%{transform:rotate(-32deg) translateY(0)}50%{transform:rotate(-26deg) translateY(-14px)}}
.tech-orbit{position:absolute;left:36px;top:36px;width:82px;height:82px}
.orbit-ring{position:absolute;inset:0;border-radius:50%;border:1.5px dashed rgba(255,255,255,.32);animation:spin 16s linear infinite}
.orbit-ring.d2{inset:14px;border-style:solid;border-color:rgba(240,140,150,.4);animation:spin 10s linear infinite reverse}
.orbit-dot{position:absolute;top:-4px;left:50%;transform:translateX(-50%);
    width:9px;height:9px;border-radius:50%;background:#f2d3a0;
    box-shadow:0 0 12px rgba(242,211,160,.9),0 0 24px rgba(242,211,160,.5);
    animation:orbitMove 7s linear infinite;transform-origin:50% 45px;
}
@keyframes orbitMove{0%{transform:translateX(-50%) rotate(0)}100%{transform:translateX(-50%) rotate(360deg)}}

.banner-content{position:relative;z-index:2;max-width:760px}
.banner-tag{
    display:inline-flex;align-items:center;gap:10px;
    padding:8px 18px;border:1px solid rgba(255,255,255,.24);
    border-radius:99px;font-size:11.5px;letter-spacing:.34em;margin-bottom:30px;
    background:rgba(255,255,255,.05);backdrop-filter:blur(6px);
    font-family:var(--f-latin);font-weight:500;color:#e5e6ea;
}
.tag-dot{width:8px;height:8px;border-radius:50%;background:#e56872;
    box-shadow:0 0 0 0 rgba(229,104,114,.7);animation:tagPulse 1.6s ease-out infinite}
@keyframes tagPulse{0%{box-shadow:0 0 0 0 rgba(229,104,114,.7)}70%{box-shadow:0 0 0 12px rgba(229,104,114,0)}100%{box-shadow:0 0 0 0 rgba(229,104,114,0)}}

.beat-word{position:relative;display:inline-block;color:#f2d3a0;font-family:var(--f-display)}
.beat-word .beat-hl{position:absolute;left:0;right:0;bottom:-4px;height:5px;
    background:linear-gradient(90deg,transparent,#e56872,transparent);
    animation:beatLine 1.4s ease-in-out infinite;filter:blur(1px)}
@keyframes beatLine{0%,100%{transform:scaleX(.55);opacity:.55}50%{transform:scaleX(1);opacity:1}}

.banner h2{
    font-family:var(--f-display);font-size:64px;font-weight:900;line-height:1.15;letter-spacing:-.5px;
    margin-bottom:26px;text-wrap:balance;
    animation:titleFadeUp 1s cubic-bezier(.2,.7,.3,1) both;
}
.banner h2 span{color:#f2d3a0}
@keyframes titleFadeUp{0%{opacity:0;transform:translateY(30px)}100%{opacity:1;transform:translateY(0)}}

.banner .sub{
    font-family:var(--f-latin);font-size:12.5px;letter-spacing:.42em;color:#a3b2c5;
    margin-bottom:26px;font-weight:500;
    animation:titleFadeUp 1s .2s cubic-bezier(.2,.7,.3,1) both;
}
.banner .desc{
    font-size:16.5px;line-height:1.95;color:#d4d9e0;margin-bottom:42px;max-width:610px;font-weight:400;
    animation:titleFadeUp 1s .4s cubic-bezier(.2,.7,.3,1) both;
}
.banner-btns{display:flex;gap:14px;flex-wrap:wrap;
    animation:titleFadeUp 1s .6s cubic-bezier(.2,.7,.3,1) both}

.btn{
    display:inline-flex;align-items:center;gap:10px;padding:15px 30px;
    border-radius:99px;font-size:14.5px;font-weight:600;letter-spacing:.06em;
    transition:transform .35s cubic-bezier(.2,.7,.3,1),background .35s,box-shadow .35s,border-color .35s,color .35s;
    cursor:pointer;font-family:var(--f-latin);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 12px 30px -12px rgba(184,32,43,.7)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(184,32,43,.7)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.95);color:var(--ink);border-color:#fff}
.btn-outline:active{transform:translateY(1px)}

/* Banner internal stats */
.banner-stats{
    position:relative;z-index:2;margin-top:80px;
    display:grid;grid-template-columns:repeat(4,1fr);
    background:rgba(255,255,255,.03);border-radius:var(--rad-lg);overflow:hidden;
    backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.10);
}
.banner-stats .s-item{padding:28px 26px;text-align:left;position:relative}
.banner-stats .s-item + .s-item::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:1px;background:rgba(255,255,255,.10)}
.banner-stats .s-num{font-family:var(--f-latin);font-size:44px;font-weight:800;color:#fff;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1}
.banner-stats .s-num small{font-family:var(--f-latin);font-size:16px;margin-left:4px;color:#f2d3a0;font-weight:600}
.banner-stats .s-lbl{font-size:12.5px;color:#95a3b6;margin-top:10px;letter-spacing:.22em;font-family:var(--f-latin);text-transform:uppercase}

/* ============ Section utilities ============ */
.section{padding:120px 0;position:relative}
.section.bg-soft{background:var(--paper-2)}
.section.bg-dark{background:var(--ink);color:#e6ecf5}
.section.bg-dark .section-title h3{color:#fff}
.section.bg-dark .section-title .en{color:#8ba7cd}
.section.bg-dark .section-title p{color:#a9b7cc}

.section-title{text-align:center;margin-bottom:72px;position:relative}
.section-title .en{
    font-family:var(--f-latin);font-size:12px;letter-spacing:.44em;color:var(--accent);
    font-weight:600;margin-bottom:16px;text-transform:uppercase;
}
.section-title h3{
    font-family:var(--f-display);font-size:44px;font-weight:900;color:var(--ink);
    letter-spacing:.02em;line-height:1.25;text-wrap:balance;
}
.section-title .line{
    width:44px;height:2px;background:var(--ink);margin:26px auto 20px;position:relative;
}
.section-title .line::before,.section-title .line::after{
    content:"";position:absolute;top:50%;transform:translateY(-50%);
    width:26px;height:1px;background:var(--line);
}
.section-title .line::before{right:calc(100% + 12px)}
.section-title .line::after{left:calc(100% + 12px)}
.section-title p{color:var(--text-3);font-size:15.5px;margin-top:14px;letter-spacing:.06em;font-weight:400}

/* eyebrow style used elsewhere */
.eyebrow{
    display:inline-flex;align-items:center;gap:10px;
    font-family:var(--f-latin);font-size:11.5px;letter-spacing:.36em;
    color:var(--accent);text-transform:uppercase;font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--accent)}

/* ============ 集团简介 ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-image{position:relative}
.about-image .main-img{
    width:100%;height:520px;border-radius:var(--rad-lg);box-shadow:var(--shadow-lg);
    /* replace img with visual block if present */
}
.about-image .sub-img{
    position:absolute;right:-24px;bottom:-40px;
    width:230px;height:190px;border-radius:var(--rad);box-shadow:var(--shadow-md);
    border:8px solid var(--paper);
}
.about-image .badge{
    position:absolute;left:-28px;top:36px;z-index:3;
    background:var(--ink);color:#fff;padding:16px 22px;border-radius:14px;
    font-size:13px;font-weight:500;letter-spacing:.1em;
    box-shadow:0 20px 36px -12px rgba(10,22,40,.55);
    border:1px solid rgba(255,255,255,.06);
}
.about-image .badge b{font-family:var(--f-display);font-size:30px;font-weight:800;display:block;margin-bottom:2px;color:#f2d3a0}

.about-text .en-sub{
    font-family:var(--f-latin);color:var(--accent);font-size:12px;letter-spacing:.36em;font-weight:600;text-transform:uppercase;
}
.about-text h4{
    font-family:var(--f-display);font-size:38px;font-weight:800;color:var(--ink);
    margin:18px 0 24px;line-height:1.35;letter-spacing:.02em;text-wrap:balance;
}
.about-text .divider{width:44px;height:2px;background:var(--ink);margin-bottom:26px}
.about-text p{color:var(--text-2);margin-bottom:18px;font-size:15px;line-height:2}
.about-text .highlight{color:var(--ink);font-weight:600;border-bottom:1px dashed var(--accent);padding-bottom:1px}

.about-stats{
    display:grid;grid-template-columns:repeat(4,1fr);gap:0;
    margin-top:44px;padding-top:36px;border-top:1px solid var(--line);
}
.stat-item{text-align:left;padding:0 20px;position:relative;border-left:1px solid var(--line-soft)}
.stat-item:first-child{border-left:none;padding-left:0}
.stat-item .num{font-family:var(--f-latin);font-size:38px;font-weight:800;color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1}
.stat-item .num small{font-family:var(--f-latin);font-size:15px;color:var(--accent);margin-left:2px;font-weight:600}
.stat-item .label{font-size:12.5px;color:var(--text-3);margin-top:10px;letter-spacing:.14em;text-transform:uppercase;font-family:var(--f-latin)}

/* ============ 子公司卡片 ============ */
.subsidiary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.sub-card{
    background:var(--paper);border-radius:var(--rad-lg);overflow:hidden;
    transition:transform .5s cubic-bezier(.2,.7,.3,1),box-shadow .5s;
    border:1px solid var(--line-soft);
    display:flex;flex-direction:column;
}
.sub-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg);border-color:transparent}
.sub-card .img{height:230px;overflow:hidden;position:relative}
.sub-card .img .v-block{width:100%;height:100%;border-radius:0}
.sub-card .tag{
    position:absolute;left:20px;top:20px;z-index:3;
    background:rgba(255,255,255,.94);color:var(--ink);
    padding:7px 14px;border-radius:99px;font-size:11px;font-weight:600;
    letter-spacing:.2em;text-transform:uppercase;font-family:var(--f-latin);
    backdrop-filter:blur(6px);
}
.sub-card .body{padding:32px 30px 36px;flex:1;display:flex;flex-direction:column}
.sub-card .icon-box{
    width:52px;height:52px;border-radius:14px;
    background:var(--paper-2);
    display:flex;align-items:center;justify-content:center;
    font-size:24px;margin-bottom:20px;
    border:1px solid var(--line);
}
.sub-card h4{font-family:var(--f-display);font-size:20px;font-weight:700;color:var(--ink);margin-bottom:14px;line-height:1.45;letter-spacing:1px}
.sub-card p{color:var(--text-2);font-size:14px;line-height:1.95;margin-bottom:20px;flex:1}
.sub-card .link{
    color:var(--ink);font-weight:600;font-size:13px;letter-spacing:.14em;font-family:var(--f-latin);
    text-transform:uppercase;padding-bottom:4px;border-bottom:1px solid var(--ink);
    align-self:flex-start;transition:color .3s,border-color .3s,gap .3s;
}
.sub-card .link:hover{color:var(--accent);border-color:var(--accent)}

/* ============ 团队卡 ============ */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.team-card{
    background:var(--paper);border-radius:var(--rad-lg);overflow:hidden;
    transition:transform .5s,box-shadow .5s;
    text-align:center;border:1px solid var(--line-soft);
}
.team-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.team-photo{
    height:280px;overflow:hidden;position:relative;
    background:var(--paper-2);
}
.team-photo .v-block{width:100%;height:100%;border-radius:0}
.team-info{padding:26px 22px 30px}
.team-info h4{font-family:var(--f-display);font-size:19px;font-weight:700;color:var(--ink);letter-spacing:1px}
.team-info .role{
    display:inline-block;margin:10px 0 14px;padding:5px 14px;
    background:var(--paper-2);color:var(--ink);font-size:11.5px;
    border-radius:99px;font-weight:500;letter-spacing:.14em;
    font-family:var(--f-latin);text-transform:uppercase;
    border:1px solid var(--line);
}
.team-info .desc{font-size:13px;color:var(--text-3);line-height:1.85}

/* ============ 产品卡 ============ */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.product-card{
    background:var(--paper);border-radius:var(--rad-lg);overflow:hidden;
    transition:transform .5s,box-shadow .5s;
    border:1px solid var(--line-soft);
    display:flex;flex-direction:column;
}
.product-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg)}
.product-image{
    height:280px;position:relative;overflow:hidden;background:var(--paper-2);
}
.product-image .v-block{width:100%;height:100%;border-radius:0}
.product-badge{
    position:absolute;left:20px;top:20px;z-index:3;
    padding:7px 15px;background:var(--accent);color:#fff;
    font-size:11px;border-radius:99px;font-weight:600;letter-spacing:.22em;
    text-transform:uppercase;font-family:var(--f-latin);
    box-shadow:0 8px 20px -6px rgba(184,32,43,.55);
}
.product-badge.blue{background:var(--ink);box-shadow:0 8px 20px -6px rgba(10,22,40,.4)}
.product-info{padding:30px;flex:1;display:flex;flex-direction:column}
.product-info .sub{font-family:var(--f-latin);font-size:11.5px;color:var(--accent);letter-spacing:.34em;font-weight:600;text-transform:uppercase}
.product-info h4{font-family:var(--f-display);font-size:23px;font-weight:800;color:var(--ink);margin:10px 0 14px;letter-spacing:1px}
.product-info p{color:var(--text-2);font-size:14px;line-height:1.95;margin-bottom:22px;min-height:82px}
.product-info .tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.product-info .tags span{
    padding:5px 12px;background:var(--paper-2);color:var(--text-2);
    border-radius:99px;font-size:11.5px;font-weight:500;letter-spacing:.06em;border:1px solid var(--line);
}
.product-info .more{
    display:inline-flex;align-items:center;gap:8px;
    color:var(--ink);font-weight:600;font-size:13px;letter-spacing:.14em;
    font-family:var(--f-latin);text-transform:uppercase;
    padding-bottom:4px;border-bottom:1px solid var(--ink);
    align-self:flex-start;margin-top:auto;
}
.product-info .more:hover{color:var(--accent);border-color:var(--accent)}

/* ============ 产品技术 ============ */
.tech-content{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:center}
.tech-image{
    position:relative;border-radius:var(--rad-lg);overflow:hidden;
    box-shadow:var(--shadow-lg);height:560px;
}
.tech-image .v-block{width:100%;height:100%;border-radius:0}
.tech-image .float-card{
    position:absolute;left:24px;bottom:24px;right:24px;z-index:3;
    background:rgba(250,250,247,.96);backdrop-filter:blur(14px);
    padding:22px 26px;border-radius:14px;
    display:flex;gap:16px;align-items:center;
    box-shadow:0 20px 40px -18px rgba(10,22,40,.4);
    border:1px solid rgba(255,255,255,.6);
}
.tech-image .float-card b{font-family:var(--f-latin);font-size:12px;letter-spacing:.24em;color:var(--accent);text-transform:uppercase;font-weight:700}
.tech-image .float-card p{font-size:14px;color:var(--ink);margin-top:6px;font-weight:500}
.tech-image .icon-badge{
    width:54px;height:54px;border-radius:14px;
    background:var(--ink);color:#f2d3a0;
    display:flex;align-items:center;justify-content:center;
    font-size:24px;flex-shrink:0;
}

.tech-list{display:grid;gap:18px}
.tech-list li{
    display:flex;gap:26px;align-items:flex-start;
    padding:26px 28px;background:var(--paper);border-radius:var(--rad);
    border:1px solid var(--line-soft);transition:all .35s;
}
.tech-list li:hover{border-color:var(--ink);box-shadow:var(--shadow-sm);transform:translateX(6px)}
.tech-list .num{
    font-family:var(--f-latin);font-size:34px;font-weight:800;
    line-height:1;letter-spacing:-.02em;min-width:56px;
    color:var(--ink);font-variant-numeric:tabular-nums;
    position:relative;
}
.tech-list .num::after{content:"";position:absolute;left:0;bottom:-8px;width:26px;height:2px;background:var(--accent)}
.tech-list h4{font-family:var(--f-display);font-size:19px;color:var(--ink);margin-bottom:10px;font-weight:700;letter-spacing:1px}
.tech-list p{color:var(--text-2);font-size:14px;line-height:1.9}

/* ============ 数据条 ============ */
.hl-strip{
    background:var(--ink);color:#f2ede0;padding:80px 0;
    position:relative;overflow:hidden;
}
.hl-strip::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(60% 60% at 80% 50%,rgba(184,32,43,.30),transparent 65%),radial-gradient(50% 50% at 15% 50%,rgba(122,175,220,.18),transparent 65%);
}
.hl-strip::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
    background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(ellipse at center,#000 40%,transparent 80%);
}
.hl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:2}
.hl-item{text-align:left;padding:0 28px;border-left:1px solid rgba(255,255,255,.14)}
.hl-item:first-child{border-left:none;padding-left:0}
.hl-item .n{font-family:var(--f-latin);font-size:56px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:#fff;line-height:1}
.hl-item .n small{font-family:var(--f-latin);font-size:16px;margin-left:6px;color:#f2d3a0;font-weight:600}
.hl-item .t{font-size:13px;color:#a3b2c5;letter-spacing:.24em;margin-top:14px;font-family:var(--f-latin);text-transform:uppercase}

/* ============ 新闻 ============ */
.news-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:26px}
.news-card{background:var(--paper);border-radius:var(--rad-lg);overflow:hidden;
    transition:transform .5s,box-shadow .5s;border:1px solid var(--line-soft);
    display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.news-card .img{height:230px;overflow:hidden;position:relative}
.news-card .img .v-block{width:100%;height:100%;border-radius:0}
.news-card .body{padding:26px 28px;flex:1;display:flex;flex-direction:column}
.news-card .date{font-family:var(--f-latin);font-size:11.5px;color:var(--accent);font-weight:600;letter-spacing:.22em;text-transform:uppercase;font-variant-numeric:tabular-nums}
.news-card h4{font-family:var(--f-display);font-size:18px;font-weight:700;color:var(--ink);margin:12px 0 14px;line-height:1.55;letter-spacing:.5px;text-wrap:balance}
.news-card p{font-size:13.5px;color:var(--text-3);line-height:1.9}
.news-card.large .img{height:360px}
.news-card.large h4{font-size:24px;letter-spacing:1px}

/* ============ 联系方式 ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:64px}
.contact-info h4{font-family:var(--f-display);font-size:28px;font-weight:800;color:var(--ink);margin-bottom:10px;letter-spacing:1.5px}
.contact-info .sub-line{color:var(--accent);font-family:var(--f-latin);font-size:12px;letter-spacing:.36em;font-weight:600;margin-bottom:26px;text-transform:uppercase}
.contact-item{display:flex;gap:20px;padding:26px 0;border-bottom:1px solid var(--line-soft)}
.contact-item:last-child{border-bottom:0}
.contact-item .icon{
    width:52px;height:52px;border-radius:14px;
    background:var(--paper-2);color:var(--ink);
    display:flex;align-items:center;justify-content:center;
    font-size:20px;flex-shrink:0;border:1px solid var(--line);
}
.contact-item .info-text .label{font-size:11.5px;color:var(--text-3);letter-spacing:.22em;text-transform:uppercase;font-family:var(--f-latin);font-weight:500}
.contact-item .info-text .value{font-size:16px;color:var(--ink);font-weight:500;margin-top:6px;line-height:1.75;font-variant-numeric:tabular-nums}

.contact-form{background:var(--paper);padding:44px;border-radius:var(--rad-lg);
    box-shadow:var(--shadow-md);border:1px solid var(--line-soft)}
.contact-form h4{font-family:var(--f-display);font-size:24px;font-weight:800;color:var(--ink);margin-bottom:26px;padding-bottom:18px;border-bottom:1px solid var(--line);letter-spacing:1px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:12px;color:var(--text-2);margin-bottom:10px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;font-family:var(--f-latin)}
.form-group input,.form-group textarea,.form-group select{
    width:100%;padding:14px 18px;border:1px solid var(--line);
    border-radius:10px;font-size:14.5px;background:var(--paper);
    transition:all .35s;color:var(--ink);
}
.form-group textarea{min-height:130px;resize:vertical}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
    border-color:var(--ink);box-shadow:0 0 0 4px rgba(10,22,40,.06);
}
.submit-btn{
    width:100%;padding:17px;background:var(--ink);color:#fff;
    border-radius:99px;font-size:14px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
    cursor:pointer;transition:all .35s;font-family:var(--f-latin);
}
.submit-btn:hover{background:var(--accent);transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(184,32,43,.55)}
.submit-btn:active{transform:translateY(0) scale(.99)}

/* ============ 内页 Banner ============ */
.page-banner{
    height:380px;position:relative;overflow:hidden;
    background:radial-gradient(100% 100% at 15% 0%,#0d3766 0%,#0a1628 55%,#050d1a 100%);
    color:#f4f2ea;display:flex;align-items:center;
}
.page-banner.has-video{background:#050d1a}
.page-banner-video{
    position:absolute;inset:0;width:100%;height:100%;
    object-fit:cover;object-position:center;
    z-index:0;pointer-events:none;
    opacity:.55;
}
.page-banner.has-video::before{
    content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
    background:linear-gradient(180deg,rgba(5,13,26,.35) 0%,rgba(5,13,26,.55) 60%,rgba(5,13,26,.75) 100%),
               radial-gradient(48% 48% at 22% 32%,rgba(122,175,220,.18),transparent 60%),
               radial-gradient(46% 46% at 82% 68%,rgba(184,32,43,.28),transparent 65%);
}
.page-banner.has-video::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;z-index:1;
    background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size:60px 60px;
    mask-image:radial-gradient(ellipse at center,#000 40%,transparent 80%);
}
.page-banner::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(48% 48% at 22% 32%,rgba(122,175,220,.18),transparent 60%),radial-gradient(46% 46% at 82% 68%,rgba(184,32,43,.28),transparent 65%);
}
.page-banner::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
    background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size:60px 60px;
    mask-image:radial-gradient(ellipse at center,#000 40%,transparent 80%);
}
.page-banner .container{position:relative;z-index:2}
.page-banner .en{font-family:var(--f-latin);font-size:12px;letter-spacing:.4em;color:#a3b2c5;font-weight:500;text-transform:uppercase;margin-bottom:14px}
.page-banner h2{font-family:var(--f-display);font-size:56px;font-weight:900;letter-spacing:.02em;margin-bottom:16px;text-wrap:balance}
.page-banner .crumbs{margin-top:22px;font-size:12.5px;color:#a3b2c5;letter-spacing:.14em;font-family:var(--f-latin)}
.page-banner .crumbs a{color:#a3b2c5}
.page-banner .crumbs a:hover{color:#fff}
.page-banner .crumbs .sep{margin:0 12px;opacity:.5}

/* deco silhouette in page banner */
.page-banner-img{position:absolute;inset:0;opacity:.22;background-size:cover;background-position:center}

/* ============ 内页公共 ============ */
.inner-nav{
    background:var(--paper);border-bottom:1px solid var(--line);
    position:sticky;top:84px;z-index:50;
    backdrop-filter:blur(14px);background:rgba(250,250,247,.88);
}
.inner-nav ul{display:flex;justify-content:center;gap:6px}
.inner-nav a{
    display:block;padding:22px 26px;font-size:14px;color:var(--text-2);
    font-weight:500;position:relative;letter-spacing:.06em;
}
.inner-nav a:hover,.inner-nav li.active a{color:var(--ink)}
.inner-nav li.active a::after{
    content:"";position:absolute;left:26px;right:26px;bottom:0;height:2px;background:var(--accent);
}

/* 关于页 */
.about-hero{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-hero .img-stack{position:relative;height:560px}
.about-hero .img-stack .v-block{position:absolute;border-radius:var(--rad-lg);box-shadow:var(--shadow-lg)}
.about-hero .img-stack .v-block:nth-of-type(1){width:78%;height:72%;top:0;left:0;z-index:2}
.about-hero .img-stack .v-block:nth-of-type(2){width:60%;height:56%;right:0;bottom:0;z-index:3;border:8px solid var(--paper)}
.about-hero .img-stack .deco{
    position:absolute;right:22px;top:16px;width:150px;height:150px;
    border:2px solid var(--accent);border-radius:var(--rad-lg);z-index:4;
    background:rgba(255,255,255,.92);
    box-shadow:0 12px 28px -12px rgba(11,45,90,.35);
    display:flex;align-items:center;justify-content:center;
    padding:18px;
}
.about-hero .img-stack .deco img{
    max-width:100%;max-height:100%;
    width:auto;height:auto;
    object-fit:contain;display:block;
}

/* 产品技术页 - 左侧视频播放器 */
.about-hero .tech-hero-video{
    position:relative;height:560px;border-radius:var(--rad-lg);overflow:hidden;
    box-shadow:var(--shadow-lg);
    background:linear-gradient(140deg,#0a1628,#050d1a);
}
.about-hero .tech-hero-video video{
    position:absolute;inset:0;width:100%;height:100%;
    object-fit:cover;object-position:center;display:block;
}
.about-hero .tech-hero-video .deco{
    position:absolute;right:-14px;top:-14px;width:150px;height:150px;
    border:2px solid var(--accent);border-radius:var(--rad-lg);
    z-index:2;pointer-events:none;
}

.mission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.mission-card{
    background:var(--paper);padding:42px 34px;border-radius:var(--rad-lg);
    border:1px solid var(--line-soft);
    transition:transform .5s,box-shadow .5s,border-color .5s;
    position:relative;overflow:hidden;
}
.mission-card::before{
    content:"";position:absolute;top:0;left:0;width:44px;height:2px;background:var(--accent);
    transform:scaleX(0);transform-origin:left;transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.mission-card:hover::before{transform:scaleX(1)}
.mission-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.mission-card .icon{
    width:56px;height:56px;border-radius:14px;
    background:var(--ink);color:#f2d3a0;
    display:flex;align-items:center;justify-content:center;
    font-size:24px;margin-bottom:22px;
}
.mission-card h4{font-family:var(--f-display);font-size:20px;font-weight:700;color:var(--ink);margin-bottom:14px;letter-spacing:1px}
.mission-card p{font-size:14px;color:var(--text-2);line-height:1.95}

/* 发展历程 */
.timeline{position:relative;padding:20px 0;max-width:900px;margin:0 auto}
.timeline::before{
    content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;
    background:linear-gradient(180deg,var(--ink),var(--accent));transform:translateX(-50%);
}
.tl-item{display:grid;grid-template-columns:1fr 100px 1fr;gap:24px;margin-bottom:44px;align-items:center}
.tl-item .year{
    grid-column:2;text-align:center;font-family:var(--f-latin);font-size:17px;font-weight:800;
    background:var(--paper);color:var(--ink);padding:10px;
    border:1px solid var(--ink);border-radius:50%;
    width:88px;height:88px;margin:0 auto;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 12px 24px -10px rgba(10,22,40,.35);
    z-index:2;position:relative;font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-item .card{
    background:var(--paper);padding:24px 28px;border-radius:var(--rad);
    border:1px solid var(--line-soft);position:relative;
    transition:transform .35s,box-shadow .35s;
}
.tl-item .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.tl-item:nth-child(odd) .card{grid-column:1;text-align:right}
.tl-item:nth-child(odd) .card::after{
    content:"";position:absolute;right:-7px;top:50%;
    width:14px;height:14px;background:var(--paper);transform:translateY(-50%) rotate(45deg);
    border-right:1px solid var(--line);border-top:1px solid var(--line);
}
.tl-item:nth-child(even) .card{grid-column:3}
.tl-item:nth-child(even) .card::after{
    content:"";position:absolute;left:-7px;top:50%;
    width:14px;height:14px;background:var(--paper);transform:translateY(-50%) rotate(45deg);
    border-left:1px solid var(--line);border-bottom:1px solid var(--line);
}
.tl-item .card h5{font-family:var(--f-display);font-size:18px;color:var(--ink);margin-bottom:10px;font-weight:700;letter-spacing:1px}
.tl-item .card p{font-size:13.5px;color:var(--text-2);line-height:1.85}

/* 荣誉墙 */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.honor-item{
    background:var(--paper);padding:32px 22px;border-radius:var(--rad);
    text-align:center;border:1px solid var(--line-soft);
    transition:all .35s;position:relative;
}
.honor-item::after{
    content:"";position:absolute;left:24px;right:24px;bottom:0;height:2px;
    background:var(--gold);transform:scaleX(0);transition:transform .4s;
}
.honor-item:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--shadow-sm)}
.honor-item:hover::after{transform:scaleX(1)}
.honor-item .icon{font-size:32px;color:var(--gold);margin-bottom:14px}
.honor-item .title{font-size:14px;color:var(--ink);font-weight:500;line-height:1.65;letter-spacing:.5px}

/* 产品详情 */
.product-showcase{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;margin-bottom:100px}
.product-showcase:last-child{margin-bottom:0}
.product-showcase.reverse{direction:rtl}
.product-showcase.reverse > *{direction:ltr}
.product-showcase .img-side{
    height:520px;border-radius:var(--rad-lg);overflow:hidden;
    box-shadow:var(--shadow-lg);position:relative;
}
.product-showcase .img-side .v-block{width:100%;height:100%;border-radius:0}
.product-showcase .badge{
    position:absolute;left:22px;top:22px;z-index:3;
    background:var(--accent);color:#fff;padding:8px 18px;
    border-radius:99px;font-size:11.5px;font-weight:600;letter-spacing:.22em;
    text-transform:uppercase;font-family:var(--f-latin);
    box-shadow:0 8px 20px -6px rgba(184,32,43,.55);
}
.product-showcase h3{font-family:var(--f-display);font-size:36px;font-weight:800;color:var(--ink);margin-bottom:10px;letter-spacing:1px;text-wrap:balance}
.product-showcase .en-name{font-family:var(--f-latin);font-size:12px;color:var(--accent);letter-spacing:.36em;font-weight:600;text-transform:uppercase}
.product-showcase .divider{width:44px;height:2px;background:var(--ink);margin:22px 0 28px}
.product-showcase p{color:var(--text-2);font-size:15px;line-height:2;margin-bottom:16px}
.product-showcase .feat{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px}
.product-showcase .feat-item{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--ink);font-weight:500}
.product-showcase .feat-item .dot{
    width:24px;height:24px;border-radius:50%;
    background:var(--ink);color:#f2d3a0;
    display:flex;align-items:center;justify-content:center;
    font-size:12px;flex-shrink:0;
}

/* 联系页地图 */
.map-box{
    height:460px;background:var(--paper-2);
    border-radius:var(--rad-lg);display:flex;align-items:center;justify-content:center;
    color:var(--ink);font-size:16px;letter-spacing:.14em;
    position:relative;overflow:hidden;
    border:1px solid var(--line-soft);
}
.map-box .v-block{position:absolute;inset:0;width:100%;height:100%;border-radius:0}
.map-box .overlay{
    position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
    color:#fff;flex-direction:column;gap:16px;z-index:2;
    background:linear-gradient(180deg,transparent 30%,rgba(10,22,40,.55) 100%);
}
.map-box .overlay .pin{
    width:64px;height:64px;border-radius:50%;background:var(--accent);
    display:flex;align-items:center;justify-content:center;font-size:26px;
    box-shadow:0 16px 32px -8px rgba(184,32,43,.55);
    animation:bounce 2.4s ease infinite;color:#fff;
}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.map-box .overlay h5{font-family:var(--f-display);font-size:26px;font-weight:800;letter-spacing:2px}
.map-box .overlay p{font-size:14px;letter-spacing:.1em;opacity:.9;color:#e5e6ea}

/* ============ 底部 ============ */
.footer{
    background:var(--ink);color:#98a4b6;padding:90px 0 0;margin-top:0;position:relative;
    border-top:1px solid rgba(255,255,255,.05);
}
.footer::before{
    content:"";position:absolute;top:0;left:0;right:0;height:3px;
    background:linear-gradient(90deg,var(--primary),var(--accent),var(--gold));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.1fr;gap:48px;padding-bottom:60px}
.footer h5{color:#fff;font-family:var(--f-display);font-size:16px;margin-bottom:26px;letter-spacing:1.5px;font-weight:700;position:relative;padding-bottom:14px}
.footer h5::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--accent)}
.footer-col.about p{font-size:13px;line-height:2;margin-bottom:14px}
.footer-col.about .brand{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.footer-col.about .brand .mk{
    width:48px;height:48px;
    object-fit:contain;
    background:transparent;
    display:block;
}
.footer-col.about .brand b{color:#fff;font-family:var(--f-display);font-size:17px;letter-spacing:1.5px;font-weight:700}
.footer-col ul li{font-size:13.5px;padding:6px 0}
.footer-col ul li a{color:#98a4b6;transition:padding .3s,color .3s}
.footer-col ul li a:hover{color:#fff;padding-left:6px}
.footer-col .contact-mini li{display:flex;gap:10px;align-items:flex-start;font-size:13px;padding:5px 0;font-variant-numeric:tabular-nums}
.footer-col .qr{width:130px;height:130px;background:#fff;border-radius:12px;padding:8px;margin-bottom:12px}
.footer-col .qr > div{border-radius:6px}
.footer-col .qr-txt{font-size:12px;color:#98a4b6;letter-spacing:.08em;line-height:1.7}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.06);padding:24px 0;
    font-size:12.5px;text-align:center;color:#6f7d92;letter-spacing:.08em;font-family:var(--f-latin);
}
.footer-bottom a{color:#98a4b6;margin:0 10px}
.footer-bottom a:hover{color:#fff}

/* 回到顶部 */
.back-top{
    position:fixed;right:32px;bottom:32px;width:48px;height:48px;
    background:var(--ink);color:#fff;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    box-shadow:var(--shadow-md);cursor:pointer;font-family:var(--f-latin);
    opacity:0;visibility:hidden;transition:all .35s;z-index:100;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--accent);transform:translateY(-4px)}

/* ============ 滚动淡入 ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1180px){
    .container{padding:0 24px}
    .nav a{padding:10px 12px;font-size:13.5px}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
    .footer-col:nth-child(4),.footer-col:nth-child(5){grid-column:auto}
    .banner h2{font-size:52px}
    .section-title h3{font-size:38px}
}
@media (max-width:900px){
    .banner{padding:80px 0 90px}
    .banner h2{font-size:38px}
    .banner-stats{grid-template-columns:repeat(2,1fr)}
    .banner-stats .s-item + .s-item::before{display:none}
    .banner-tech{width:240px;height:240px;right:-40px;opacity:.4}
    .tech-heart{width:80px;height:80px;right:30px;top:20px}
    .tech-dna{width:44px;height:150px;top:10px}
    .tech-molecule{width:90px;height:90px;top:120px;left:-10px}
    .tech-capsule{width:60px;height:22px}
    .tech-orbit{width:50px;height:50px}
    .banner-ecg{height:80px;bottom:12%;opacity:.55}
    .banner-particles .p{transform:scale(.7)}
    .section{padding:70px 0}
    .section-title{margin-bottom:48px}
    .section-title h3{font-size:28px}
    .about-grid,.tech-content,.contact-grid,.about-hero{grid-template-columns:1fr;gap:40px}
    .about-image .main-img{height:340px}
    .about-hero .img-stack{height:400px}
    .subsidiary-grid,.product-grid{grid-template-columns:1fr}
    .team-grid{grid-template-columns:repeat(2,1fr)}
    .header .container{height:70px;gap:20px}
    .nav{display:none}
    .logo-text h1{font-size:16px;letter-spacing:1px}
    .logo-text p{font-size:10px}
    .top-bar .info{display:none}
    .about-stats,.hl-grid,.honor-grid{grid-template-columns:repeat(2,1fr);gap:20px 0}
    .hl-item{padding:0 18px}
    .stat-item{padding:0 12px}
    .news-grid{grid-template-columns:1fr}
    .contact-form{padding:28px}
    .footer{padding:60px 0 0}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
    .page-banner{height:240px}
    .page-banner h2{font-size:32px}
    .inner-nav{position:static}
    .inner-nav ul{overflow-x:auto;justify-content:flex-start}
    .inner-nav a{padding:16px 18px;white-space:nowrap}
    .product-showcase{grid-template-columns:1fr;gap:30px;margin-bottom:60px}
    .product-showcase .img-side{height:280px}
    .tech-image{height:340px}
    .tl-item{grid-template-columns:60px 1fr;gap:14px}
    .tl-item .year{grid-column:1;width:60px;height:60px;font-size:14px}
    .tl-item:nth-child(odd) .card,.tl-item:nth-child(even) .card{grid-column:2;text-align:left}
    .tl-item .card::after{display:none}
    .timeline::before{left:30px}
    .form-row{grid-template-columns:1fr}
}