/* ==========================================
   同济人工智能（苏州）研究院 — 品牌样式
   设计语言：深蓝主色 + 金色点缀，专业沉稳
   ========================================== */

:root {
    --pri: #1B3A5C;
    --pri-light: #2C5282;
    --pri-lighter: #3A6B9F;
    --pri-bg: #e8f0fe;
    --gold: #C4973B;
    --gold-light: #D4A84B;
    --gold-bg: #fdf6e8;
    --dark: #0F2440;
    --text: #1a202c;
    --text-2: #4a5568;
    --text-3: #718096;
    --text-4: #a0aec0;
    --bg: #ffffff;
    --bg-alt: #F7F8FA;
    --bg-card: #ffffff;
    --border: #e2e8f0;
    --border-light: #edf2f7;
    --radius: 10px;
    --radius-lg: 14px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.1);
    --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== Utility ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-accent { color: var(--gold); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-weight: 600; border: none; cursor: pointer;
    border-radius: 8px; transition: all var(--transition);
    font-size: 15px; font-family: inherit; white-space: nowrap;
}
.btn-primary {
    background: var(--pri); color: #fff;
}
.btn-primary:hover {
    background: var(--pri-light); transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(27,58,92,0.3);
}
.btn-outline {
    background: transparent; color: var(--pri);
    border: 2px solid var(--pri);
}
.btn-outline:hover {
    background: var(--pri); color: #fff;
}
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: 10px; }
.btn-block { width: 100%; justify-content: center; }

/* ===== Section ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--pri); color: #fff; position: relative; overflow: hidden; }
.section-bg-pattern {
    position: absolute; inset: 0; opacity: 0.04;
    background-image: radial-gradient(circle, #fff 1px, transparent 1px);
    background-size: 24px 24px; pointer-events: none;
}

.section-label {
    display: inline-block; padding: 6px 18px;
    background: var(--pri-bg); color: var(--pri);
    font-size: 13px; font-weight: 600; border-radius: 20px;
    margin-bottom: 16px; letter-spacing: 1px;
    text-transform: uppercase;
}
.section-label-light {
    background: rgba(255,255,255,0.12); color: var(--gold);
}
.section-heading {
    font-size: 40px; font-weight: 800; color: var(--dark);
    line-height: 1.3; margin-bottom: 16px; letter-spacing: -0.5px;
}
.section-heading-light { color: #fff; }
.section-lead {
    font-size: 17px; color: var(--text-2); max-width: 600px;
    line-height: 1.7;
}
.section-lead-light { color: rgba(255,255,255,0.7); }

/* ===== Navbar ===== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.92); backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent; transition: all var(--transition);
}
.navbar.scrolled { border-bottom-color: var(--border); box-shadow: var(--shadow); }

.nav-container { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.nav-logo { display: flex; align-items: center; gap: 12px; }

.logo-mark { display: flex; align-items: center; justify-content: center; flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; overflow: hidden; }
.logo-mark-img { width: 32px; height: 32px; object-fit: contain; display: block; flex-shrink: 0; }
.logo-text-wrap { display: flex; flex-direction: column; gap: 2px; }
.logo-title { font-size: 16px; font-weight: 700; color: var(--dark); line-height: 1.3; white-space: nowrap; }
.logo-subtitle { font-size: 10px; color: var(--text-3); font-weight: 400; letter-spacing: 0.3px; }

.nav-menu { display: flex; align-items: center; gap: 28px; }
.nav-link { font-size: 15px; font-weight: 500; color: var(--text-2); transition: color var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--pri); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-cta-mobile { display: none; }

.hamburger {
    display: none; flex-direction: column; gap: 5px;
    cursor: pointer; background: none; border: none; padding: 4px;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--dark); border-radius: 2px; transition: all var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ===== Hero ===== */
.hero {
    padding: 160px 0 100px; position: relative; overflow: hidden;
    background: linear-gradient(170deg, #F7F8FA 0%, #E8EDF3 40%, #fff 100%);
}

.hero-particles { position: absolute; inset: 0; pointer-events: none; }
.particle {
    position: absolute; border-radius: 50%; opacity: 0.08;
}
.p1 { width: 300px; height: 300px; background: var(--pri); top: -80px; right: -60px; }
.p2 { width: 200px; height: 200px; background: var(--gold); bottom: 40px; left: 5%; }
.p3 { width: 100px; height: 100px; background: var(--pri); top: 30%; right: 20%; border-radius: 30%; }
.p4 { width: 150px; height: 150px; background: var(--gold); top: 10%; left: 10%; border-radius: 30%; }
.p5 { width: 80px; height: 80px; background: var(--pri-light); bottom: 20%; right: 10%; }
.p6 { width: 60px; height: 60px; background: var(--gold-light); top: 50%; left: 50%; }

.hero-container {
    position: relative; display: grid;
    grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center;
}

.hero-tag { margin-bottom: 20px; }
.tag-accent {
    display: inline-block; padding: 8px 20px; background: #fff;
    border: 1px solid var(--border); border-radius: 30px;
    font-size: 13px; font-weight: 600; color: var(--pri);
    letter-spacing: 0.5px; box-shadow: var(--shadow);
}

.hero-title {
    font-size: 50px; font-weight: 900; color: var(--dark);
    line-height: 1.2; margin-bottom: 22px; letter-spacing: -1px;
}

.hero-desc {
    font-size: 17px; color: var(--text-2); max-width: 520px;
    margin-bottom: 32px; line-height: 1.8;
}

.hero-actions { display: flex; gap: 16px; margin-bottom: 48px; }

.hero-metrics {
    display: flex; align-items: center; gap: 20px;
    padding: 20px 28px; background: #fff;
    border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
    max-width: 460px;
}
.metric { text-align: center; flex: 1; }
.metric-num { display: block; font-size: 28px; font-weight: 800; color: var(--dark); line-height: 1.2; }
.metric-label { font-size: 12px; color: var(--text-3); margin-top: 4px; display: block; }
.metric-divider { width: 1px; height: 30px; background: var(--border); }

/* Hero Visual Card */
.hero-visual { position: relative; z-index: 1; }
.hero-card {
    background: #fff; border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl); overflow: hidden; border: 1px solid var(--border-light);
}
.hc-header {
    padding: 12px 20px; background: var(--bg-alt);
    border-bottom: 1px solid var(--border-light);
    display: flex; align-items: center; gap: 10px;
}
.hc-dots { display: flex; gap: 5px; }
.hc-dots i { width: 9px; height: 9px; border-radius: 50%; display: block; }
.hc-dots i:nth-child(1) { background: #ef4444; }
.hc-dots i:nth-child(2) { background: #f59e0b; }
.hc-dots i:nth-child(3) { background: #22c55e; }
.hc-title { font-size: 12px; color: var(--text-3); font-weight: 500; }
.hc-body { padding: 24px 20px 20px; }

.incubation-flow {
    display: flex; align-items: center; justify-content: center; gap: 0;
    margin-bottom: 24px;
}
.flow-node { text-align: center; }
.fn-icon {
    width: 44px; height: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 6px;
}
.flow-node span { font-size: 11px; color: var(--text-3); font-weight: 500; }
.flow-connector {
    width: 28px; display: flex; align-items: center; justify-content: center;
}
.flow-connector span {
    display: block; width: 100%; height: 1px;
    background: linear-gradient(90deg, var(--border), var(--pri-light), var(--border));
}

.hc-stats-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.hc-stat {
    background: var(--bg-alt); border-radius: var(--radius); padding: 12px 14px; text-align: center;
}
.hc-stat span { display: block; font-size: 22px; font-weight: 800; color: var(--pri); }
.hc-stat small { font-size: 11px; color: var(--text-4); margin-top: 2px; display: block; }

/* ===== About ===== */
.about-main { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-top: 50px; }

.about-intro {
    font-size: 16px; color: var(--text-2); line-height: 1.9; margin-bottom: 28px;
}
.about-intro strong { color: var(--pri); font-weight: 700; }

.about-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hl-item {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px; background: var(--bg-alt); border-radius: 8px;
    font-size: 14px; font-weight: 500; color: var(--text);
}
.hl-icon { flex-shrink: 0; }

/* About Visual */
.about-visual {
    background: var(--pri); border-radius: var(--radius-lg);
    padding: 36px 28px; text-align: center; color: #fff;
}
.av-top { display: flex; align-items: center; justify-content: center; gap: 16px; margin-bottom: 20px; }
.av-badge {
    padding: 10px 20px; border-radius: 8px;
    font-size: 15px; font-weight: 700; letter-spacing: 1px;
}
.av-badge-tj { background: var(--gold); color: #fff; }
.av-badge-xc { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.2); }
.av-connector { display: flex; align-items: center; gap: 0; }
.av-line { width: 20px; height: 1px; background: rgba(255,255,255,0.3); display: block; }
.av-plus { color: var(--gold); font-size: 18px; font-weight: 700; margin: 0 6px; }
.av-arrow-down { margin-bottom: 20px; }
.av-result {
    font-size: 22px; font-weight: 800; margin-bottom: 20px; letter-spacing: 1px;
}
.av-pillars { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.av-pillars span {
    padding: 8px 16px; background: rgba(255,255,255,0.1);
    border-radius: 20px; font-size: 13px; font-weight: 500;
    border: 1px solid rgba(255,255,255,0.15);
}

/* ===== Incubation (Dark Section) ===== */
.incubation-model {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    margin-top: 50px;
}

.im-card {
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg); padding: 32px 24px;
    position: relative; transition: all var(--transition);
}
.im-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-4px);
}
.im-num {
    position: absolute; top: 16px; right: 20px;
    font-size: 42px; font-weight: 900; color: rgba(255,255,255,0.06);
    line-height: 1; font-family: Georgia, serif;
}
.im-icon-wrap { margin-bottom: 16px; }
.im-card h3 {
    font-size: 17px; font-weight: 700; margin-bottom: 10px;
    color: #fff;
}
.im-card p {
    font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.7;
}

/* Services Grid */
.incubation-services { margin-top: 60px; }
.is-title {
    text-align: center; font-size: 18px; font-weight: 700;
    color: rgba(255,255,255,0.8); margin-bottom: 24px;
    letter-spacing: 1px;
}
.is-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
    max-width: 800px; margin: 0 auto;
}
.is-item {
    display: flex; align-items: center; gap: 8px;
    padding: 14px 18px; background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.06); border-radius: 8px;
    font-size: 14px; color: rgba(255,255,255,0.75);
    transition: all var(--transition);
}
.is-item:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(196,151,59,0.2);
}
.is-item-icon { font-size: 16px; }

/* ===== Transfer Pipeline ===== */
.transfer-pipeline {
    display: flex; align-items: center; justify-content: center;
    gap: 20px; margin: 50px 0 60px; flex-wrap: wrap;
}

.tp-stage { text-align: center; width: 200px; }
.tp-circle {
    width: 72px; height: 72px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 14px; border: 3px solid;
    font-size: 24px; transition: all var(--transition);
}
.tp-circle-1 { border-color: var(--pri); color: var(--pri); background: var(--pri-bg); }
.tp-circle-2 { border-color: var(--pri-lighter); color: var(--pri-lighter); background: #e8f0fe; }
.tp-circle-3 { border-color: var(--gold); color: var(--gold); background: var(--gold-bg); }
.tp-stage:hover .tp-circle { transform: scale(1.1); }
.tp-stage h4 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.tp-stage p { font-size: 13px; color: var(--text-3); line-height: 1.6; }
.tp-arrow { font-size: 24px; color: var(--text-4); padding-bottom: 30px; font-weight: 300; }

/* Transfer Focus */
.transfer-focus { border-top: 1px solid var(--border); padding-top: 50px; }
.tf-heading {
    text-align: center; font-size: 20px; font-weight: 700; color: var(--dark);
    margin-bottom: 32px;
}
.tf-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tf-card {
    text-align: center; padding: 32px 20px;
    background: #fff; border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); transition: all var(--transition);
}
.tf-card:hover { border-color: var(--pri-light); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.tf-card-img { margin: 0 auto 16px; }
.tf-card h4 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.tf-card p { font-size: 13px; color: var(--text-3); line-height: 1.6; }

/* ===== Ecosystem ===== */
.eco-overview {
    display: flex; justify-content: center; gap: 60px;
    margin: 50px 0 50px; flex-wrap: wrap;
}
.eco-stat-big { text-align: center; }
.eco-num {
    display: block; font-size: 52px; font-weight: 900; color: var(--pri);
    line-height: 1.1; font-family: Georgia, serif;
}
.eco-desc { font-size: 15px; color: var(--text-3); margin-top: 6px; display: block; }

.eco-fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 60px; }

.eco-field {
    background: #fff; border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); padding: 32px 24px;
    transition: all var(--transition);
}
.eco-field:hover { border-color: var(--pri-light); box-shadow: var(--shadow-md); }
.ef-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.ef-icon { font-size: 28px; }
.ef-header h3 { font-size: 18px; font-weight: 700; color: var(--dark); }
.eco-field > p { font-size: 14px; color: var(--text-2); line-height: 1.7; margin-bottom: 18px; }

.ef-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.ef-tags span {
    padding: 5px 12px; background: var(--bg-alt);
    border-radius: 6px; font-size: 12px; color: var(--pri); font-weight: 500;
}

/* Partners */
.eco-partners { border-top: 1px solid var(--border); padding-top: 50px; }
.ep-heading {
    text-align: center; font-size: 16px; font-weight: 600; color: var(--text-3);
    margin-bottom: 24px; letter-spacing: 1px; text-transform: uppercase;
}
.ep-grid { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.ep-logo {
    padding: 12px 24px; background: #fff; border: 1px solid var(--border);
    border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--text-2);
}

/* ===== Vision ===== */
.section-vision {
    background: linear-gradient(135deg, var(--pri) 0%, var(--dark) 100%);
    color: #fff; text-align: center;
}
.vision-block { max-width: 750px; margin: 0 auto; }
.vision-quote-mark { margin-bottom: 24px; }
.vision-text {
    font-size: 22px; font-weight: 400; line-height: 1.8;
    color: rgba(255,255,255,0.85); font-style: italic;
    margin-bottom: 20px; border: none;
}
.vision-source {
    font-size: 15px; color: rgba(255,255,255,0.5);
    letter-spacing: 1px;
}

/* ===== Contact ===== */
.contact-layout { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; margin-top: 50px; }
.contact-info-col { display: flex; flex-direction: column; gap: 14px; }

.ci-card {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 20px; background: #fff; border: 1px solid var(--border-light);
    border-radius: var(--radius); transition: all var(--transition);
}
.ci-card:hover { border-color: var(--pri-light); box-shadow: var(--shadow-md); }
.ci-icon {
    width: 44px; height: 44px; background: var(--gold-bg);
    border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.ci-label { display: block; font-size: 12px; color: var(--text-4); margin-bottom: 4px; }
.ci-value { display: block; font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.6; }

.contact-form {
    background: #fff; border: 1px solid var(--border-light);
    border-radius: var(--radius-lg); padding: 32px;
}
.form-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-field label { font-size: 14px; font-weight: 600; color: var(--text); }
.form-field input,
.form-field select,
.form-field textarea {
    padding: 12px 16px; border: 1px solid var(--border);
    border-radius: 8px; font-size: 15px; font-family: inherit;
    color: var(--text); background: var(--bg);
    transition: all var(--transition); outline: none; width: 100%;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: var(--pri); box-shadow: 0 0 0 3px var(--pri-bg);
}
.form-field textarea { resize: vertical; }
.form-tip { text-align: center; font-size: 12px; color: var(--text-4); margin-top: 12px; }

/* ===== Footer ===== */
.footer { background: var(--dark); color: rgba(255,255,255,0.6); padding: 60px 0 0; }
.footer-main { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }

.footer-logo { display: flex; align-items: center; gap: 12px; }
.footer-mark { border-color: rgba(255,255,255,0.3) !important; background: #fff !important; }

.footer-name { font-size: 14px; font-weight: 700; color: #fff; display: block; }
.footer-name-en { font-size: 11px; color: rgba(255,255,255,0.4); display: block; margin-top: 2px; }
.footer-brand > p { font-size: 13px; line-height: 1.7; margin-top: 14px; max-width: 280px; }

.footer-col h4 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 16px; letter-spacing: 1px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li,
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--gold); }

.footer-bottom {
    padding: 24px 0; display: flex; justify-content: space-between;
    align-items: center; font-size: 12px; flex-wrap: wrap; gap: 8px;
    color: rgba(255,255,255,0.3);
}
.footer-icp { color: rgba(255,255,255,0.25); }

/* ===== Animations ===== */
.fade-in {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Toast */
.toast {
    position: fixed; bottom: 32px; right: 32px;
    background: var(--dark); color: #fff; padding: 16px 24px;
    border-radius: var(--radius); font-size: 14px; font-weight: 500;
    z-index: 9999; opacity: 0; transform: translateY(20px);
    transition: all 0.4s ease; box-shadow: var(--shadow-xl);
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: #059669; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-desc { margin: 0 auto 32px; }
    .hero-actions { justify-content: center; }
    .hero-metrics { margin: 0 auto; }
    .hero-visual { max-width: 460px; margin: 0 auto; }
    .hero-title { font-size: 40px; }
    .incubation-model { grid-template-columns: repeat(2, 1fr); }
    .tf-grid { grid-template-columns: repeat(2, 1fr); }
    .about-main { grid-template-columns: 1fr; gap: 40px; }
    .contact-layout { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed; top: 76px; left: 0; right: 0;
        background: rgba(255,255,255,0.98); backdrop-filter: blur(20px);
        flex-direction: column; padding: 20px; gap: 4px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%); opacity: 0; pointer-events: none;
        transition: all 0.35s ease;
    }
    .nav-menu.active { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .nav-link { padding: 12px 0; font-size: 16px; text-align: center; display: block; border-radius: 8px; }
    .nav-link:hover { background: var(--bg-alt); }
    .nav-actions .btn { display: none; }
    .nav-cta-mobile { display: block; }
    .nav-cta-mobile .btn { width: 100%; text-align: center; margin-top: 8px; }
    .hamburger { display: flex; }
    .nav-logo { gap: 8px; }
    .logo-mark { width: 28px; height: 28px; }
    .logo-mark-img { width: 28px; height: 28px; }
    .logo-title { font-size: 14px; }
    .logo-subtitle { font-size: 9px; }

    .section { padding: 64px 0; }
    .hero { padding: 120px 0 64px; }
    .hero-title { font-size: 32px; }
    .hero-metrics { flex-wrap: wrap; gap: 8px; padding: 16px; }
    .metric-divider { display: none; }

    .section-heading { font-size: 28px; }

    .incubation-model { grid-template-columns: 1fr; }
    .is-grid { grid-template-columns: repeat(2, 1fr); }

    .transfer-pipeline { flex-direction: column; align-items: center; }
    .tp-arrow { transform: rotate(90deg); padding-bottom: 0; }
    .tf-grid { grid-template-columns: 1fr; }

    .eco-overview { gap: 30px; }
    .eco-num { font-size: 38px; }
    .eco-fields { grid-template-columns: 1fr; }

    .vision-text { font-size: 18px; }

    .form-duo { grid-template-columns: 1fr; }

    .footer-main { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .incubation-flow { flex-wrap: wrap; gap: 8px; }
    .flow-connector { width: 100%; height: 10px; }
    .flow-connector span { width: 50px; }

    .ep-grid { justify-content: flex-start; }
}

@media (max-width: 480px) {
    .logo-mark { width: 24px; height: 24px; }
    .logo-mark-img { width: 24px; height: 24px; }
    .logo-title { font-size: 12px; }
    .logo-subtitle { font-size: 8px; }
    .hero-title { font-size: 26px; }
    .hero-actions { flex-direction: column; }
    .about-highlights { grid-template-columns: 1fr; }
    .is-grid { grid-template-columns: 1fr; }
    .contact-form { padding: 20px; }
}