/* ========================================
   历德创新 AINITT - 官方网站样式
   品牌色: #1A3A5C(深空蓝) / #E8752A(活力橙) / #2A6B9C(科技蓝)
   ======================================== */

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

:root {
    --c-primary: #1A3A5C;
    --c-primary-l: #264f7a;
    --c-primary-d: #112840;
    --c-accent: #E8752A;
    --c-accent-l: #f0974a;
    --c-accent-d: #c95f1a;

    --c-tech-blue: #2A6B9C;
    --c-tech-blue-l: #3b82c4;
    --c-tech-blue-d: #1e5278;

    --c-layer-m: #1A3A5C;
    --c-layer-e: #E8752A;
    --c-layer-s: #7B4BBA;

    --c-dark: #0c1e33;
    --c-dark2: #15273f;
    --c-text: #1e293b;
    --c-text-l: #64748b;
    --c-text-ll: #94a3b8;
    --c-white: #ffffff;
    --c-gray-bg: #F4F6F8;
    --c-gray-bg2: #EEF0F4;
    --c-border: #E5E8EC;
    --c-border-l: #EEF0F4;
    --c-footer-text: #D1D5DB;

    --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
    --shadow-md: 0 8px 24px rgba(0,0,0,.08);
    --shadow-lg: 0 16px 48px rgba(0,0,0,.12);
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --t: .3s cubic-bezier(.4,0,.2,1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --max-w: 1280px;
}

html { scroll-behavior:smooth; font-size:16px; }
body {
    font-family:var(--font);
    color:var(--c-text);
    background:var(--c-white);
    line-height:1.65;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
}
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; display:block; }

.container { max-width:var(--max-w); margin:0 auto; padding:0 24px; }
.section { padding:96px 0; position:relative; }
.section-gray { background:var(--c-gray-bg); }
.section-dark { background:var(--c-dark); position:relative; overflow:hidden; }

/* ---- Section Headers ---- */
.section-header { text-align:center; max-width:780px; margin:0 auto 60px; }
.section-label {
    display:inline-block; font-size:.78rem; font-weight:600; letter-spacing:.08em;
    color:var(--c-primary); margin-bottom:14px;
    padding:5px 16px; background:rgba(26,58,92,.07); border-radius:50px;
}
.section-label-l {
    color:var(--c-accent-l); background:rgba(232,117,42,.12);
}
.section-title { font-size:clamp(1.7rem,3vw,2.6rem); font-weight:700; color:var(--c-text); margin-bottom:16px; line-height:1.2; }
.section-title-l { color:var(--c-white); }
.section-desc { font-size:1rem; color:var(--c-text-l); font-weight:400; line-height:1.7; }
.section-desc-l { color:rgba(255,255,255,.65); }

/* ---- Buttons ---- */
.btn {
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    padding:13px 28px; font-size:.93rem; font-weight:600; border-radius:50px;
    transition:all var(--t); cursor:pointer; border:none; font-family:var(--font); white-space:nowrap;
}
.btn-primary { background:var(--c-accent); color:var(--c-white); box-shadow:0 4px 16px rgba(232,117,42,.25); }
.btn-primary:hover { background:var(--c-accent-d); transform:translateY(-2px); box-shadow:0 8px 24px rgba(232,117,42,.35); }
.btn-outline { background:transparent; color:var(--c-primary); border:2px solid var(--c-border); }
.btn-outline:hover { border-color:var(--c-primary); background:var(--c-primary); color:var(--c-white); }
.btn-outline-l { background:transparent; color:rgba(255,255,255,.85); border:2px solid rgba(255,255,255,.2); }
.btn-outline-l:hover { background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.45); }
.btn-white { background:var(--c-white); color:var(--c-primary); }
.btn-white:hover { background:var(--c-accent); color:var(--c-white); transform:translateY(-2px); }
.btn-full { width:100%; }

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position:fixed; top:0; left:0; right:0; z-index:1000;
    background:rgba(255,255,255,.95); backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(26,58,92,.06); transition:all var(--t);
}
.navbar.scrolled { box-shadow:0 2px 16px rgba(0,0,0,.06); background:rgba(255,255,255,.98); }
.nav-inner { max-width:var(--max-w); margin:0 auto; padding:0 24px; height:68px; display:flex; align-items:center; justify-content:space-between; }

.nav-brand { display:flex; align-items:center; gap:6px; }
.nav-logo { font-size:1.55rem; font-weight:900; color:var(--c-primary); letter-spacing:.04em; line-height:1; }
.nav-logo-img { height:22px; width:auto; display:block; }
.nav-logo-cn { font-size:.7rem; color:var(--c-text-l); font-weight:500; letter-spacing:.02em; margin-top:2px; }

.nav-menu { display:flex; align-items:center; gap:2px; }
.nav-link {
    display:block; padding:8px 15px; font-size:.88rem; font-weight:500; color:var(--c-text);
    border-radius:var(--radius-sm); transition:all var(--t); position:relative;
}
.nav-link::after {
    content:''; position:absolute; bottom:3px; left:50%; transform:translateX(-50%);
    width:0; height:2px; background:var(--c-accent); transition:width var(--t);
}
.nav-link:hover { color:var(--c-tech-blue); }
.nav-link:hover::after, .nav-link.active::after { width:18px; }

.nav-cta { background:var(--c-primary); color:var(--c-white)!important; padding:9px 22px!important; border-radius:50px; font-weight:600; }
.nav-cta::after { display:none; }
.nav-cta:hover { background:var(--c-primary-l); transform:translateY(-1px); box-shadow:0 4px 12px rgba(26,58,92,.35); }

.nav-tools { display:flex; align-items:center; gap:12px; }
.lang-btn {
    background:var(--c-gray-bg); border:1px solid var(--c-border); border-radius:6px;
    padding:5px 10px; font-size:.78rem; font-weight:600; color:var(--c-text); cursor:pointer; transition:all var(--t);
}
.lang-btn:hover { background:var(--c-tech-blue); color:var(--c-white); border-color:var(--c-tech-blue); }

.hamburger { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; }
.hamburger span { display:block; width:22px; height:2px; background:var(--c-text); border-radius:2px; transition:all var(--t); }
.hamburger.active span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity:0; }
.hamburger.active span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* ========================================
   HERO — Scene-Driven
   ======================================== */
.hero {
    position:relative; min-height:92vh; display:flex; align-items:center; justify-content:center;
    overflow:hidden; background:var(--c-dark); padding-top:68px;
}
.hero-bg { position:absolute; inset:0; z-index:0; }
.hero-bg-img {
    position:absolute; inset:0;
    background:url('../images/hero-bg.jpg') center/cover no-repeat;
    background-position:60% center;
}
.hero-bg-gradient {
    position:absolute; inset:0;
    background:linear-gradient(160deg, rgba(12,30,51,.88) 0%, rgba(26,58,92,.72) 40%, rgba(15,40,64,.82) 100%);
}
.hero-bg-pattern {
    position:absolute; inset:0; opacity:.04;
    background-image:radial-gradient(circle at 1px 1px, rgba(255,255,255,.8) 1px, transparent 0);
    background-size:48px 48px;
}
.hero-bg-glow {
    position:absolute; width:600px; height:600px; border-radius:50%; filter:blur(120px); opacity:.12;
}
.hero-bg-glow.g1 { background:var(--c-accent); top:-200px; right:-100px; }
.hero-bg-glow.g2 { background:var(--c-tech-blue); bottom:-200px; left:-100px; }

.hero-particles { position:absolute; inset:0; overflow:hidden; }
.hero-particles .particle {
    position:absolute; border-radius:50%; background:rgba(232,117,42,.3);
    animation:partFloat linear infinite;
}
@keyframes partFloat {
    0% { transform:translateY(100vh) translateX(0); opacity:0; }
    10% { opacity:1; } 90% { opacity:1; }
    100% { transform:translateY(-100px) translateX(50px); opacity:0; }
}

.hero-inner { position:relative; z-index:2; text-align:center; padding:0 24px; max-width:900px; }
.hero-tag {
    display:inline-flex; align-items:center; gap:14px;
    font-size:.7rem; font-weight:500;
    color:rgba(255,255,255,.5);
    letter-spacing:.22em; text-transform:uppercase;
    margin-bottom:28px;
}
.hero-tag::before, .hero-tag::after {
    content:""; width:36px; height:1px; background:rgba(255,255,255,.18);
}
.hero-title {
    font-size:clamp(1.9rem,4vw,3.2rem); font-weight:700; color:var(--c-white);
    letter-spacing:.06em; margin-bottom:20px; line-height:1.35;
}
.hero-title .hl { color:var(--c-accent-l); }
.hero-subtitle {
    font-size:clamp(.95rem,1.6vw,1.2rem); color:rgba(255,255,255,.55); font-weight:400;
    margin-bottom:36px; max-width:680px; margin-left:auto; margin-right:auto; line-height:1.7;
    letter-spacing:.04em;
}

/* Scene Cards */
.scene-cards { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-bottom:0; }
.scene-card {
    position:relative;
    background:rgba(10,22,38,.55); border:1px solid rgba(255,255,255,.1);
    border-radius:14px; padding:28px 18px 24px; text-align:center;
    transition:all .4s ease; cursor:pointer;
    display:flex; flex-direction:column; align-items:center; gap:14px;
    overflow:hidden;
}
.scene-card::before {
    content:""; position:absolute; inset:0;
    background:linear-gradient(160deg, rgba(255,255,255,.06) 0%, transparent 55%);
    opacity:0.6; transition:opacity .4s ease;
}
.scene-card:hover {
    border-color:rgba(255,255,255,.2);
    background:rgba(10,22,38,.72);
}
.scene-card:hover::before { opacity:1; }
.scene-icon {
    position:relative; z-index:1;
    width:50px; height:50px; display:flex; align-items:center; justify-content:center;
    color:var(--c-accent); transition:color .4s ease;
}
.scene-icon svg { width:28px; height:28px; }
.scene-card:hover .scene-icon { color:var(--c-accent-l); }
.scene-label {
    position:relative; z-index:1;
    font-size:.88rem; font-weight:600; color:var(--c-white);
    letter-spacing:.06em;
}
.scene-arrow {
    position:relative; z-index:1;
    font-size:.72rem; font-weight:500; color:rgba(255,255,255,.45);
    opacity:0; transform:translateY(-6px);
    transition:all .35s ease; letter-spacing:.08em;
}
.scene-card:hover .scene-arrow { opacity:1; transform:translateY(0); color:var(--c-accent-l); }

.hero-scroll {
    position:absolute; bottom:28px; left:50%; transform:translateX(-50%); z-index:2;
    display:flex; flex-direction:column; align-items:center; gap:8px;
    color:rgba(255,255,255,.35); font-size:.78rem;
}
.scroll-line {
    width:1px; height:36px; background:linear-gradient(to bottom, rgba(255,255,255,.4), transparent);
    animation:scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
    0%,100% { opacity:.2; transform:scaleY(1); }
    50% { opacity:1; transform:scaleY(1.3); }
}

/* ========================================
   PILLARS Section — 三大业务支柱
   ======================================== */
.pillars-grid {
    display:grid; grid-template-columns:repeat(3,1fr); gap:24px; max-width:980px; margin:0 auto;
}
.pillar-card {
    position:relative; overflow:hidden;
    background:var(--c-gray-bg);
    border:1px solid var(--c-border);
    border-radius:var(--radius-xl);
    padding:52px 32px 44px;
    text-align:center;
    transition:all .4s cubic-bezier(.4,0,.2,1);
    display:flex; flex-direction:column; align-items:center; gap:0;
}
.pillar-card:hover {
    background:var(--c-white);
    box-shadow:0 24px 56px rgba(0,0,0,.08);
    transform:translateY(-3px);
}

/* 主题色：仅保留顶部细线 */
.pillar-card[data-theme="material"] { border-top:2px solid var(--c-primary); }
.pillar-card[data-theme="product"]  { border-top:2px solid var(--c-accent); }
.pillar-card[data-theme="software"] { border-top:2px solid var(--c-layer-s); }
.pillar-card:hover { border-color:var(--c-border); }

/* 标题行 */
.pillar-head {
    position:relative; z-index:1;
    display:flex; align-items:center; justify-content:center;
    margin-bottom:32px;
}
.pillar-dot { display:none; }
.pillar-label {
    font-size:1.25rem; font-weight:600; color:var(--c-text);
    letter-spacing:.02em;
}

/* 关键词行：统一高度，保证三列对齐 */
.pillar-items {
    position:relative; z-index:1; width:100%;
    font-size:.88rem; color:var(--c-text-l); font-weight:500;
    line-height:1.8; min-height:3.2em;
    display:flex; align-items:center; justify-content:center;
    margin-bottom:28px; padding-bottom:28px;
    border-bottom:1px solid var(--c-border);
}

/* 描述行：统一高度，底部对齐 */
.pillar-desc {
    position:relative; z-index:1; width:100%;
    font-size:.85rem; color:var(--c-text-ll); font-weight:400;
    line-height:1.7; min-height:3em;
    display:flex; align-items:center; justify-content:center;
    margin-top:auto;
}

/* Stats */
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-top:40px; }
.stat-card {
    text-align:center; padding:36px 20px; background:var(--c-white); border-radius:var(--radius);
    border:1px solid var(--c-border); transition:all var(--t);
}
.stat-card:hover { box-shadow:var(--shadow-md); transform:translateY(-3px); border-color:var(--c-border); }
.stat-num { font-size:clamp(1.8rem,3.5vw,2.8rem); font-weight:800; color:var(--c-primary); margin-bottom:8px; }
.stat-label { font-size:.88rem; color:var(--c-text-l); font-weight:500; }

/* ========================================
   PRODUCT SYSTEM Pages — 产品体系通用样式
   ======================================== */
.page-hero {
    position:relative; min-height:48vh; display:flex; align-items:center;
    padding:100px 0 60px; overflow:hidden;
}
.page-hero-bg.materials { background:linear-gradient(160deg, var(--c-dark) 0%, #1A3A5C 60%, #153250 100%); }
.page-hero-bg.engineering { background:linear-gradient(160deg, var(--c-dark) 0%, #4a2000 60%, #2d1400 100%); }
.page-hero-bg.software { background:linear-gradient(160deg, var(--c-dark) 0%, #2d1950 60%, #1e0e38 100%); }
.page-hero-bg.about { background:linear-gradient(160deg, var(--c-dark) 0%, #1A3A5C 60%, #0c1e33 100%); }

.page-hero-inner { position:relative; z-index:2; max-width:var(--max-w); margin:0 auto; padding:0 24px; }
.page-hero-tag {
    display:inline-block; padding:5px 18px; border-radius:50px;
    font-size:.78rem; font-weight:600; margin-bottom:20px;
}
.page-hero-title { font-size:clamp(1.8rem,4vw,3.2rem); font-weight:800; color:var(--c-white); margin-bottom:16px; line-height:1.2; }
.page-hero-sub { font-size:1.05rem; color:rgba(255,255,255,.6); font-weight:300; max-width:700px; line-height:1.7; }

/* Product Grid */
.product-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.product-card {
    background:var(--c-white); border:1px solid var(--c-border); border-radius:var(--radius-lg);
    padding:32px; transition:all var(--t); display:flex; flex-direction:column; gap:12px;
}
.product-card:hover { box-shadow:var(--shadow-lg); transform:translateY(-4px); }
.product-card-tag {
    display:inline-block; padding:3px 12px; border-radius:50px;
    font-size:.75rem; font-weight:700; letter-spacing:.04em; width:fit-content;
}
.tag-m { color:var(--c-layer-m); background:rgba(26,58,92,.08); }
.tag-e { color:var(--c-layer-e); background:rgba(232,117,42,.08); }
.tag-s { color:var(--c-layer-s); background:rgba(123,75,186,.08); }

.product-card-name { font-size:1.15rem; font-weight:700; color:var(--c-text); }
.product-card-desc { font-size:.9rem; color:var(--c-text-l); line-height:1.6; flex:1; }

/* Clickable product card link */
.product-card-link {
    cursor:pointer; text-decoration:none; color:inherit;
    outline:none;
}
.product-card-link .product-card-more {
    display:inline-flex; align-items:center; gap:6px;
    font-size:.85rem; font-weight:600; color:var(--c-layer-s);
    margin-top:auto; padding-top:8px;
    transition:gap var(--t);
}
.product-card-link:hover .product-card-more { gap:10px; }

/* Keywords */
.keywords-bar {
    display:flex; flex-wrap:wrap; gap:10px; justify-content:center; margin-top:40px;
    padding:28px 32px; background:var(--c-white); border:1px solid var(--c-border); border-radius:var(--radius-lg);
}
.keywords-bar .kw-label { font-size:.85rem; font-weight:600; color:var(--c-text); }
.keywords-bar .kw {
    display:inline-block; padding:6px 16px; font-size:.82rem; font-weight:500;
    border-radius:50px; background:var(--c-gray-bg); color:var(--c-text-l);
}

/* Tech Specs Table */
.tech-table {
    width:100%; border-collapse:collapse; margin-top:32px;
    background:var(--c-white); border:1px solid var(--c-border); border-radius:var(--radius); overflow:hidden;
}
.tech-table th {
    text-align:left; padding:14px 20px; font-size:.85rem; font-weight:700; color:var(--c-primary);
    background:var(--c-gray-bg); border-bottom:2px solid var(--c-border);
}
.tech-table td { padding:12px 20px; font-size:.88rem; color:var(--c-text-l); border-bottom:1px solid var(--c-border-l); }
.tech-table tr:last-child td { border-bottom:none; }

/* ========================================
   Sub-brand Section
   ======================================== */
.subbrand-block {
    background:var(--c-gray-bg); border-radius:var(--radius-lg); padding:32px 36px;
    margin-bottom:24px; border-left:4px solid var(--c-accent);
}
.subbrand-name { font-size:1.2rem; font-weight:700; color:var(--c-text); margin-bottom:8px; }
.subbrand-name sup { font-size:.65rem; font-weight:600; color:var(--c-accent); margin-left:3px; }
.subbrand-desc { font-size:.9rem; color:var(--c-text-l); line-height:1.65; margin-bottom:16px; }
.subbrand-products { display:flex; flex-wrap:wrap; gap:8px; }
.subbrand-product {
    display:inline-block; padding:6px 14px; font-size:.82rem; font-weight:500;
    background:var(--c-white); border:1px solid var(--c-border); border-radius:50px; color:var(--c-text);
}

/* ========================================
   Brand Showcase
   ======================================== */
.brand-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.brand-grid-5 { grid-template-columns:repeat(5,1fr); }
.brand-card {
    background:var(--c-white); border:1px solid var(--c-border); border-radius:var(--radius-lg);
    padding:36px 24px; text-align:center; transition:all var(--t);
}
.brand-card:hover { box-shadow:var(--shadow-md); transform:translateY(-3px); }
.brand-card-logo { font-size:1.5rem; font-weight:800; color:var(--c-primary); margin-bottom:6px; letter-spacing:.04em; }
.brand-card-logo sup { font-size:.65rem; font-weight:600; color:var(--c-accent); margin-left:2px; }
.brand-card-name { font-size:.85rem; color:var(--c-text-l); margin-bottom:8px; }
.brand-card-tag {
    display:inline-block; padding:2px 10px; background:rgba(26,58,92,.06); border-radius:50px;
    font-size:.72rem; color:var(--c-text-ll);
}

/* ========================================
   Contact Form
   ======================================== */
.contact-layout { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
.contact-items { margin-top:28px; display:flex; flex-direction:column; gap:20px; }
.contact-item { display:flex; gap:14px; align-items:flex-start; }
.contact-icon {
    width:42px; height:42px; display:flex; align-items:center; justify-content:center;
    background:var(--c-white); border-radius:var(--radius-sm); color:var(--c-tech-blue); box-shadow:var(--shadow-sm); flex-shrink:0;
}
.contact-icon svg { width:18px; height:18px; }
.contact-label { font-size:.78rem; color:var(--c-text-ll); margin-bottom:3px; font-weight:500; }
.contact-value { font-size:.92rem; color:var(--c-text); font-weight:500; }

.contact-form {
    background:var(--c-white); border-radius:var(--radius-xl); padding:40px;
    box-shadow:var(--shadow-md); border:1px solid var(--c-border);
}
.form-title { font-size:1.35rem; font-weight:700; color:var(--c-text); margin-bottom:24px; }

.form-group { position:relative; margin-bottom:22px; }
.form-group input,
.form-group select,
.form-group textarea {
    width:100%; padding:13px 16px; border:2px solid var(--c-border);
    border-radius:var(--radius-sm); font-size:.92rem; font-family:var(--font); color:var(--c-text);
    background:var(--c-gray-bg); transition:all var(--t); resize:vertical;
}
.form-group label {
    position:absolute; top:13px; left:16px; font-size:.92rem; color:var(--c-text-ll);
    pointer-events:none; transition:all var(--t); background:var(--c-white); padding:0 5px;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline:none; border-color:var(--c-tech-blue); background:var(--c-white);
}
.form-group input:focus+label, .form-group input:valid+label,
.form-group textarea:focus+label, .form-group textarea:valid+label {
    top:-8px; left:12px; font-size:.73rem; color:var(--c-tech-blue); font-weight:500;
}
.form-note { font-size:.78rem; color:var(--c-text-ll); margin-top:10px; text-align:center; }

/* ========================================
   News
   ======================================== */
.news-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; align-items:stretch; margin-bottom:40px; }
.news-card {
    background:var(--c-white); border-radius:var(--radius-lg); overflow:hidden;
    border:1px solid var(--c-border); transition:all var(--t); cursor:pointer;
    display:flex; flex-direction:column; height:100%;
}
.news-card:hover { box-shadow:var(--shadow-lg); transform:translateY(-4px); }
.news-img { position:relative; overflow:hidden; aspect-ratio:16/10; flex-shrink:0; }
.news-img-bg { width:100%; height:100%; display:flex; align-items:center; justify-content:center; transition:transform .5s ease; }
.news-card:hover .news-img-bg { transform:scale(1.05); }
.news-img-bg.c1 { background:linear-gradient(135deg, #1A3A5C, #264f7a); }
.news-img-bg.c2 { background:linear-gradient(135deg, #E8752A, #f0974a); }
.news-img-bg.c3 { background:linear-gradient(135deg, #7B4BBA, #9b6fd4); }
.news-img-text { font-size:2.2rem; font-weight:800; color:rgba(255,255,255,.15); letter-spacing:.1em; }
.news-cat {
    position:absolute; top:14px; left:14px; padding:4px 14px; background:rgba(255,255,255,.95);
    border-radius:50px; font-size:.75rem; font-weight:600; color:var(--c-primary); backdrop-filter:blur(10px);
}
.news-body { padding:22px; display:flex; flex-direction:column; flex:1; }
.news-date { font-size:.8rem; color:var(--c-text-ll); margin-bottom:8px; font-weight:500; }
.news-title { font-size:1.05rem; font-weight:600; color:var(--c-text); line-height:1.4; margin-bottom:10px; transition:color var(--t); }
.news-card:hover .news-title { color:var(--c-tech-blue); }
.news-excerpt { font-size:.88rem; color:var(--c-text-l); line-height:1.55; margin-bottom:14px; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; flex:1; }
.news-link { font-size:.85rem; font-weight:600; color:var(--c-tech-blue); transition:all var(--t); margin-top:auto; }
.news-link:hover { color:var(--c-accent); }
.news-more { text-align:center; }

/* ========================================
   Careers
   ======================================== */
.careers-bg { position:absolute; inset:0; background:radial-gradient(ellipse at 30% 40%, rgba(232,117,42,.1) 0%, transparent 50%), radial-gradient(ellipse at 70% 60%, rgba(26,58,92,.08) 0%, transparent 50%); }
.careers-content { position:relative; z-index:1; max-width:760px; margin:0 auto; text-align:center; }
.careers-desc { font-size:1rem; color:rgba(255,255,255,.6); line-height:1.75; margin-bottom:20px; }
.careers-hl { font-size:1.08rem; color:rgba(255,255,255,.8); font-weight:500; margin-bottom:36px; font-style:italic; }
.careers-cta { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ========================================
   ABOUT Page
   ======================================== */
.about-block { margin-bottom:48px; max-width:680px; margin-left:auto; margin-right:auto; text-align:center; }
.about-block:last-child { margin-bottom:0; }
.about-block h3 { font-size:1.25rem; font-weight:700; color:var(--c-text); margin-bottom:20px; }
.about-block h3 .dot { width:8px; height:8px; border-radius:50%; display:inline-block; }
.about-block h3 .dot.m { background:var(--c-layer-m); }
.about-block h3 .dot.e { background:var(--c-layer-e); }
.about-block h3 .dot.s { background:var(--c-layer-s); }
.about-block p { font-size:1rem; color:var(--c-text-l); line-height:1.9; margin-bottom:0; }
.about-list { display:flex; flex-direction:column; gap:8px; margin-top:8px; }
.about-list li { font-size:.9rem; color:var(--c-text-l); padding-left:20px; position:relative; }
.about-list li::before { content:'•'; position:absolute; left:6px; color:var(--c-accent); font-weight:700; }

.timeline { position:relative; padding-left:28px; }
.timeline::before { content:''; position:absolute; left:8px; top:4px; bottom:4px; width:2px; background:var(--c-border); }
.timeline-item { margin-bottom:24px; position:relative; }
.timeline-item::before { content:''; position:absolute; left:-24px; top:6px; width:10px; height:10px; border-radius:50%; background:var(--c-accent); border:2px solid var(--c-white); box-shadow:0 0 0 2px var(--c-accent); }
.timeline-year { font-size:.8rem; font-weight:700; color:var(--c-accent); margin-bottom:4px; }
.timeline-text { font-size:.9rem; color:var(--c-text-l); }

/* ========================================
   News Center Timeline
   ======================================== */
.news-timeline { max-width:760px; margin:0 auto; }
.news-item {
    display:grid; grid-template-columns:88px 1fr; gap:22px;
    background:var(--c-white); border:1px solid var(--c-border);
    border-left:4px solid var(--c-border);
    border-radius:var(--radius-lg); padding:22px 26px 22px 22px;
    margin-bottom:16px; box-shadow:var(--shadow-sm);
    transition:all var(--t);
}
.news-item:hover {
    box-shadow:var(--shadow-md); transform:translateY(-3px);
    border-color:var(--c-border); border-left-color:var(--c-primary);
}
.news-item.ni-product { border-left-color:#7b4bba; }
.news-item.ni-tech    { border-left-color:var(--c-primary); }
.news-item.ni-group   { border-left-color:#0ea596; }
.news-item.ni-policy  { border-left-color:#e8752a; }
.news-item.ni-brand   { border-left-color:#3b82f6; }
.news-item-date {
    font-size:.78rem; font-weight:700; color:var(--c-text-ll);
    padding-top:4px; white-space:nowrap; letter-spacing:.02em;
}
.news-item-body { min-width:0; }
.news-item-tag {
    display:inline-block; padding:3px 12px; border-radius:50px; font-size:.74rem;
    font-weight:700;
}
.news-item-tag.tag-product  { background:rgba(123,75,186,.1); color:#7b4bba; }
.news-item-tag.tag-tech     { background:rgba(26,58,92,.1);  color:var(--c-primary); }
.news-item-tag.tag-group    { background:rgba(14,165,150,.1); color:#0ea596; }
.news-item-tag.tag-policy   { background:rgba(232,117,42,.1); color:#e8752a; }
.news-item-tag.tag-brand    { background:rgba(59,130,246,.1); color:#3b82f6; }
.news-item-title {
    font-size:1.08rem; font-weight:700; color:var(--c-text); line-height:1.35;
    margin-bottom:8px; transition:color var(--t);
}
.news-item:hover .news-item-title { color:var(--c-primary); }
.news-item-desc {
    font-size:.88rem; color:var(--c-text-l); line-height:1.6;
}
.news-item-link {
    font-size:.82rem; font-weight:600; color:var(--c-primary); margin-top:10px;
    display:inline-block; transition:color var(--t);
}
.news-item-link:hover { color:var(--c-accent); }

@media (max-width:768px) {
    .news-item { grid-template-columns:1fr; gap:8px; padding:18px 20px; }
    .news-item-date { font-size:.75rem; }
}
/* ========================================
   Footer
   ======================================== */
.footer { background:var(--c-dark); color:var(--c-footer-text); padding:60px 0 0; }
.footer-top { display:grid; grid-template-columns:1.5fr 2fr; gap:40px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.08); }
.footer-brand { display:flex; flex-direction:column; gap:12px; }
.footer-logo { font-size:1.5rem; font-weight:900; color:var(--c-white); display:inline-block; }
.footer-tagline { font-size:.9rem; color:var(--c-accent-l); font-weight:500; }
.footer-desc { font-size:.85rem; line-height:1.6; max-width:340px; }
.footer-links { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.footer-col h4 { font-size:.88rem; font-weight:600; color:var(--c-white); margin-bottom:14px; }
.footer-col ul li { margin-bottom:8px; }
.footer-col ul li a { font-size:.85rem; color:rgba(255,255,255,.5); transition:color var(--t); }
.footer-col ul li a:hover { color:var(--c-tech-blue-l); }
.footer-bottom { display:flex; align-items:center; justify-content:space-between; padding:22px 0; font-size:.82rem; }
.footer-social { display:flex; gap:10px; }
.footer-social a {
    width:34px; height:34px; display:flex; align-items:center; justify-content:center;
    background:rgba(255,255,255,.06); border-radius:50%; color:rgba(255,255,255,.5); transition:all var(--t);
}
.footer-social a:hover { background:var(--c-accent); color:var(--c-white); }

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
    position:fixed; bottom:28px; right:28px; width:44px; height:44px; display:flex;
    align-items:center; justify-content:center; background:var(--c-tech-blue); color:var(--c-white);
    border:none; border-radius:50%; cursor:pointer; box-shadow:var(--shadow-md);
    opacity:0; visibility:hidden; transform:translateY(16px); transition:all var(--t); z-index:999;
}
.back-to-top.show { opacity:1; visibility:visible; transform:translateY(0); }
.back-to-top:hover { background:var(--c-accent); transform:translateY(-3px); }
.back-to-top svg { width:20px; height:20px; }

/* ========================================
   REVEAL Animation
   ======================================== */
.reveal { opacity:0; transform:translateY(36px); transition:opacity .7s ease, transform .7s ease; transition-delay:var(--delay, 0s); }
.reveal.visible { opacity:1; transform:translateY(0); }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width:1024px) {
    .nav-menu {
        position:fixed; top:68px; left:0; right:0; flex-direction:column;
        background:var(--c-white); padding:20px; gap:6px; box-shadow:var(--shadow-lg);
        transform:translateY(-150%); transition:transform var(--t); max-height:calc(100vh-68px); overflow-y:auto;
    }
    .nav-menu.active { transform:translateY(0); }
    .nav-link { width:100%; padding:12px 16px; }
    .nav-cta { margin-top:6px; }
    .hamburger { display:flex; }
    .lang-btn { display:none; }

    .scene-cards { grid-template-columns:repeat(2,1fr); }
    .pillars-grid { grid-template-columns:1fr 1fr; gap:20px; }
    .pillar-card { padding:40px 24px 36px; }
    .arch-layer { grid-template-columns:1fr; gap:12px; }
    .product-grid { grid-template-columns:1fr 1fr; }
    .brand-grid { grid-template-columns:repeat(2,1fr); }
    .news-grid { grid-template-columns:1fr 1fr; }
    .news-card-feat { grid-column:span 1; }
    .contact-layout { grid-template-columns:1fr; gap:40px; }
    .footer-top { grid-template-columns:1fr; }
    .stats-grid { grid-template-columns:repeat(2,1fr); }
}

@media (max-width:768px) {
    .section { padding:64px 0; }
    .container { padding:0 18px; }
    .section-header { margin-bottom:40px; }
    .scene-cards { grid-template-columns:1fr 1fr; gap:12px; }
    .scene-card { padding:24px 14px 22px; }
    .scene-icon { width:46px; height:46px; }
    .scene-icon svg { width:26px; height:26px; }
    .scene-label { font-size:.85rem; }
    .product-grid { grid-template-columns:1fr; }
    .brand-grid { grid-template-columns:1fr 1fr; }
    .news-grid { grid-template-columns:1fr; }
    .news-card-feat { grid-column:span 1; }
    .stats-grid { grid-template-columns:repeat(2,1fr); }
    .stat-card { padding:24px 14px; }
    .footer-links { grid-template-columns:repeat(2,1fr); }
    .footer-bottom { flex-direction:column; gap:14px; text-align:center; }
    .contact-form { padding:28px 20px; }
    .hero-scroll { display:none; }
    .careers-cta { flex-direction:column; width:100%; }
    .careers-cta .btn { width:100%; }
}

@media (max-width:480px) {
    .scene-cards { grid-template-columns:1fr 1fr; gap:10px; }
    .pillars-grid { grid-template-columns:1fr; gap:18px; }
    .pillar-card { padding:36px 24px 32px; }
    .scene-card { padding:22px 12px 20px; gap:10px; }
    .scene-icon { width:44px; height:44px; }
    .scene-icon svg { width:24px; height:24px; }
    .scene-label { font-size:.8rem; }
    .brand-grid { grid-template-columns:1fr; }
    .stats-grid { grid-template-columns:1fr; }
    .footer-links { grid-template-columns:1fr; }
    .hero-title { font-size:1.8rem; }
    .arch-layer { padding:20px 22px; }
    .page-hero { min-height:36vh; padding:90px 0 40px; }
    .keywords-bar { gap:6px; padding:20px; }
    .back-to-top { bottom:16px; right:16px; }
}

/* ========================================
   Brand Logos
   ======================================== */
.brand-logo-img {
    height:24px; width:auto; max-width:100%; object-fit:contain;
    display:block; margin:0 auto 8px;
}
.brand-logo-img.larger { height:34px !important; }
.brand-logo-img.small { height:20px; }

.brand-logo-hero {
    height:28px; width:auto; max-width:120px; object-fit:contain;
    display:block; margin-bottom:12px; filter:brightness(1.05);
}

.brand-logo-inline {
    height:22px; width:auto; vertical-align:middle;
    display:inline-block; margin-right:6px;
}

.brand-logo-wrap {
    display:inline-flex; align-items:center; justify-content:center;
    padding:6px 10px; background:var(--c-white); border-radius:var(--radius-md);
    box-shadow:var(--shadow-sm); margin-bottom:10px;
}
.brand-logo-wrap .brand-logo-img { margin:0; height:20px; }
.brand-logo-wrap.dark { background:rgba(0,0,0,.25); }

.brand-matrix {
    display:grid; grid-template-columns:repeat(5,1fr); gap:20px; margin-top:40px;
}
.brand-matrix-card {
    background:var(--c-white); border:1px solid var(--c-border); border-radius:var(--radius-lg);
    padding:24px 14px; text-align:center; transition:all var(--t);
}
.brand-matrix-card:hover { box-shadow:var(--shadow-md); transform:translateY(-3px); }
.brand-matrix-card .brand-logo-img { height:34px; margin-bottom:10px; }
.brand-matrix-card .brand-matrix-name {
    font-size:.95rem; font-weight:700; color:var(--c-text); margin-bottom:6px;
}
.brand-matrix-card .brand-matrix-role {
    font-size:.78rem; color:var(--c-text-l); line-height:1.5;
}

.subbrand-logo-row {
    display:flex; align-items:center; gap:8px; margin-bottom:8px; flex-wrap:wrap;
}
.subbrand-logo-row .brand-logo-img { width:90px; height:42px; object-fit:contain; margin:0; }

.brand-card-logo-img {
    height:26px; width:auto; max-width:100%; object-fit:contain;
    display:block; margin:0 auto 8px;
}

@media (max-width:768px) {
    .brand-matrix { grid-template-columns:repeat(2,1fr); }
    .brand-grid-5 { grid-template-columns:repeat(2,1fr); }
    .brand-logo-hero { height:24px; }
    .brand-logo-img { height:22px; }
    .brand-logo-img.larger { height:26px; }
    .subbrand-logo-row .brand-logo-img { width:70px; height:34px; }
}

@media print {
    .navbar, .back-to-top, .hero-scroll, .hero-particles { display:none; }
}