/* 金山办公 建筑师版 - Architect Edition Style */
:root {
    --arch-orange: #FF5C00;
    --arch-text: #1A1A1A;
    --arch-sub: #666666;
    --arch-bg: #FFF9F5; /* 胡萝卜暖色 */
    --arch-border: #E5E7EB;
    --arch-accent: #D93731; /* 金山红 */
    --font-head: 'Outfit', sans-serif;
    --font-ui: 'Noto Sans SC', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-ui);
    color: var(--arch-text);
    background-color: var(--arch-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.arch-nav {
    height: 80px;
    background: rgba(255, 249, 245, 0.9);
    backdrop-filter: blur(20px);
    position: fixed;
    top: 0; width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--arch-border);
}

.nav-flex {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.arch-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-head);
    font-size: 18px;
    font-weight: 700;
}
.arch-logo span { font-size: 10px; color: var(--arch-orange); letter-spacing: 2px; text-transform: uppercase; }
.logo-symbol { width: 32px; height: 32px; color: var(--arch-accent); }
.logo-symbol.small { width: 24px; height: 24px; }

.nav-menu { display: flex; gap: 40px; align-items: center; }
.menu-item { text-decoration: none; color: var(--arch-text); font-size: 14px; font-weight: 600; transition: 0.2s; }
.menu-item:hover { color: var(--arch-orange); }

.btn-arch-nav {
    text-decoration: none;
    background: var(--arch-text);
    color: white;
    padding: 10px 24px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 800;
    transition: 0.3s;
}
.btn-arch-nav:hover { background: var(--arch-orange); transform: translateY(-2px); }

/* Hero Section */
.arch-hero {
    padding: 160px 0 100px;
}

.hero-layout {
    display: flex;
    align-items: center;
    gap: 100px;
}

.hero-text { flex: 1.2; }
.arch-tag {
    font-family: var(--font-head);
    font-size: 11px;
    font-weight: 700;
    color: var(--arch-orange);
    letter-spacing: 4px;
    margin-bottom: 24px;
}

.hero-h1 {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 32px;
    letter-spacing: -2px;
}
.highlight { color: var(--arch-orange); }

.hero-p {
    font-size: 18px;
    color: var(--arch-sub);
    margin-bottom: 48px;
    max-width: 560px;
}

.hero-actions { display: flex; align-items: center; gap: 32px; }
.btn-arch-main {
    text-decoration: none;
    background: var(--arch-accent);
    color: white;
    padding: 20px 48px;
    border-radius: 4px;
    font-size: 18px;
    font-weight: 700;
    transition: 0.3s;
}
.btn-arch-main:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(217, 55, 49, 0.2); }

.arch-ver-info { font-size: 13px; color: var(--arch-sub); font-weight: 500; }

/* Blueprint Visual */
.hero-visual { flex: 1; }
.arch-blueprint-box {
    height: 400px; background: white; border: 1px solid var(--arch-border); border-radius: 8px;
    position: relative; overflow: hidden;
    background-image: linear-gradient(var(--arch-border) 1px, transparent 1px), linear-gradient(90deg, var(--arch-border) 1px, transparent 1px);
    background-size: 20px 20px;
}

.bp-module {
    position: absolute; padding: 12px 24px; background: white; border: 1px solid var(--arch-text);
    font-size: 12px; font-weight: 800; text-transform: uppercase;
}
.m1 { top: 60px; left: 60px; }
.m2 { top: 180px; right: 80px; background: var(--arch-text); color: white; }
.m3 { bottom: 80px; left: 120px; }

.bp-line { position: absolute; background: var(--arch-orange); opacity: 0.3; }
.l1 { width: 1px; height: 100%; left: 50%; top: 0; }
.l2 { height: 1px; width: 100%; top: 50%; left: 0; }

/* Suite Section */
.suite-sec { padding: 100px 0; }
.sec-label { font-family: var(--font-head); font-size: 11px; font-weight: 700; color: var(--arch-orange); letter-spacing: 4px; margin-bottom: 16px; display: block; }
.sec-h2 { font-size: 40px; font-weight: 900; margin-bottom: 60px; letter-spacing: -1px; }

.suite-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.suite-card {
    padding: 48px 32px;
    background: white;
    border: 1px solid var(--arch-border);
    border-radius: 4px;
    transition: 0.3s;
}
.suite-card:hover { transform: translateY(-10px); border-color: var(--arch-orange); box-shadow: 0 40px 80px rgba(0,0,0,0.03); }
.sc-icon { width: 48px; height: 48px; background: rgba(255, 92, 0, 0.05); color: var(--arch-orange); border-radius: 8px; display: flex; align-items: center; justify-content: center; margin-bottom: 32px; }
.sc-icon svg { width: 24px; height: 24px; }
.suite-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 16px; }
.suite-card p { font-size: 14px; color: var(--arch-sub); }

/* Collaboration Section */
.collab-sec { padding: 120px 0; }
.collab-panel {
    background: var(--arch-text); color: white; border-radius: 8px;
    padding: 100px 80px; display: flex; align-items: center; gap: 100px;
}
.collab-text { flex: 1.2; }
.collab-metrics { display: flex; gap: 60px; margin-top: 48px; }
.cm-item strong { display: block; font-size: 32px; color: var(--arch-orange); font-family: var(--font-head); }
.cm-item span { font-size: 12px; color: rgba(255,255,255,0.5); font-weight: 700; text-transform: uppercase; }

.collab-visual { flex: 0.8; }
.sync-structure { width: 200px; height: 200px; position: relative; margin: 0 auto; }
.s-layer { position: absolute; width: 100%; height: 40px; border: 1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.02); }
.l1 { top: 0; transform: skewY(-10deg); }
.l2 { top: 60px; transform: skewY(-10deg); }
.l3 { top: 120px; transform: skewY(-10deg); }
.s-node { position: absolute; width: 12px; height: 12px; background: var(--arch-orange); top: 80px; left: 50%; box-shadow: 0 0 20px var(--arch-orange); animation: moveNode 4s infinite alternate; }
@keyframes moveNode { from { transform: translateX(-40px); } to { transform: translateX(40px); } }

/* Blueprint Gallery */
.blueprint-sec { padding: 120px 0; background: rgba(26,26,26,0.02); }
.sec-head-center { text-align: center; margin-bottom: 80px; }
.bp-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.bp-card { text-align: center; }
.bp-img { height: 320px; background: white; border: 1px solid var(--arch-border); border-radius: 4px; margin-bottom: 24px; transition: 0.4s; }
.bp-card:hover .bp-img { transform: translateY(-10px); border-color: var(--arch-orange); box-shadow: 0 40px 80px rgba(0,0,0,0.05); }
.bp-card h4 { font-size: 16px; font-weight: 700; }

/* Security */
.security-sec { padding: 120px 0; }
.security-layout { display: flex; align-items: center; gap: 100px; }
.sec-visual { flex: 0.8; display: flex; justify-content: center; }
.arch-lock { width: 140px; height: 180px; position: relative; }
.lock-frame { width: 100%; height: 120px; border: 2px solid var(--arch-text); position: absolute; bottom: 0; }
.lock-bolt { width: 80px; height: 80px; border: 2px solid var(--arch-text); border-bottom: none; border-radius: 40px 40px 0 0; position: absolute; top: 0; left: 30px; }

.sec-tags { display: flex; gap: 16px; margin-top: 40px; }
.sec-tags span { padding: 6px 16px; border: 1px solid var(--arch-border); border-radius: 4px; font-size: 13px; font-weight: 600; color: var(--arch-sub); }

/* Footer */
.arch-footer { padding: 100px 0 40px; border-top: 1px solid var(--arch-border); }
.ft-inner { display: flex; justify-content: space-between; gap: 100px; margin-bottom: 80px; }
.ft-brand { flex: 1.5; }
.ft-brand p { font-size: 14px; color: var(--arch-sub); margin-top: 24px; max-width: 340px; }
.ft-links { flex: 2; display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.ft-col h4 { font-family: var(--font-head); font-size: 12px; margin-bottom: 32px; color: var(--arch-text); text-transform: uppercase; }
.ft-col a { display: block; text-decoration: none; color: var(--arch-sub); font-size: 14px; margin-bottom: 16px; transition: 0.2s; }
.ft-col a:hover { color: var(--arch-orange); }

.ft-bottom { padding-top: 40px; border-top: 1px solid var(--arch-border); text-align: center; font-size: 12px; color: var(--arch-sub); }

/* Responsive */
@media (max-width: 1024px) {
    .hero-layout, .collab-panel, .security-layout, .ft-inner { flex-direction: column; text-align: center; }
    .hero-h1 { font-size: 48px; }
    .hero-actions, .collab-metrics, .sec-tags { justify-content: center; }
    .suite-grid, .bp-gallery { grid-template-columns: repeat(2, 1fr); }
    .hero-visual { display: none; }
    .ft-brand p { margin: 24px auto 0; }
}
@media (max-width: 640px) {
    .suite-grid { grid-template-columns: 1fr; }
}