ai-intro
325 行
7.5 KiB
CSS
325 行
7.5 KiB
CSS
:root {
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--bg: #0a0a12;
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--bg-soft: #12121f;
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--surface: #1a1a2e;
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--surface-hi: #22223a;
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--text: #e8e8f0;
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--text-soft: #a0a0b8;
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--text-mute: #6a6a85;
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--accent: #6c5ce7;
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--accent-hi: #a29bfe;
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--accent-glow: rgba(108, 92, 231, 0.35);
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--positive: #00b894;
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--challenge: #e17055;
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--border: rgba(255, 255, 255, 0.08);
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--maxw: 1080px;
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--sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
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}
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* { box-sizing: border-box; }
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html { scroll-behavior: smooth; }
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body {
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margin: 0;
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font-family: var(--sans);
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color: var(--text);
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background: var(--bg);
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line-height: 1.7;
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-webkit-font-smoothing: antialiased;
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-moz-osx-font-smoothing: grayscale;
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}
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a { color: inherit; text-decoration: none; }
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/* nav */
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.nav {
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position: sticky;
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top: 0;
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z-index: 50;
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max-width: var(--maxw);
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margin: 0 auto;
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padding: 1rem 2rem;
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display: flex;
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align-items: center;
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justify-content: space-between;
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background: rgba(10, 10, 18, 0.85);
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backdrop-filter: blur(12px);
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border-bottom: 1px solid var(--border);
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}
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.brand {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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font-weight: 700;
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font-size: 1.15rem;
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}
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.brand-mark {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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width: 32px;
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height: 32px;
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border-radius: 8px;
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background: linear-gradient(135deg, var(--accent), var(--accent-hi));
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font-size: 0.8rem;
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font-weight: 800;
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color: #fff;
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}
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.nav-links { display: flex; gap: 1.5rem; }
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.nav-links a {
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font-size: 0.9rem;
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color: var(--text-soft);
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transition: color 0.2s;
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}
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.nav-links a:hover { color: var(--accent-hi); }
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/* hero */
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.hero {
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position: relative;
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max-width: var(--maxw);
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margin: 0 auto;
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padding: 6rem 2rem 5rem;
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text-align: center;
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overflow: hidden;
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}
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.hero-glow {
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position: absolute;
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top: -100px;
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left: 50%;
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transform: translateX(-50%);
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width: 600px;
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height: 600px;
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background: radial-gradient(circle, var(--accent-glow), transparent 70%);
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filter: blur(60px);
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pointer-events: none;
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}
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.hero-title {
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position: relative;
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font-size: clamp(2.2rem, 5vw, 3.6rem);
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font-weight: 800;
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line-height: 1.2;
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margin: 0 0 1.2rem;
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}
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.hero-title span {
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background: linear-gradient(135deg, var(--accent-hi), #dfe6e9);
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-webkit-background-clip: text;
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background-clip: text;
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-webkit-text-fill-color: transparent;
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}
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.hero-sub {
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position: relative;
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font-size: 1.05rem;
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color: var(--text-soft);
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max-width: 620px;
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margin: 0 auto 2rem;
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}
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.hero-cta {
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position: relative;
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display: flex;
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gap: 1rem;
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justify-content: center;
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margin-bottom: 1.5rem;
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}
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.btn {
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padding: 0.7rem 1.8rem;
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border-radius: 10px;
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font-size: 0.95rem;
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font-weight: 600;
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transition: all 0.25s;
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cursor: pointer;
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border: 1px solid transparent;
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}
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.btn-primary {
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background: linear-gradient(135deg, var(--accent), var(--accent-hi));
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color: #fff;
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box-shadow: 0 4px 20px var(--accent-glow);
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}
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.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px var(--accent-glow); }
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.btn-ghost {
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border-color: var(--border);
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color: var(--text-soft);
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background: transparent;
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}
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.btn-ghost:hover { border-color: var(--accent); color: var(--accent-hi); }
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.hero-meta {
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position: relative;
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font-size: 0.82rem;
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color: var(--text-mute);
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letter-spacing: 0.02em;
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}
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/* sections */
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.block {
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max-width: var(--maxw);
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margin: 0 auto;
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padding: 4.5rem 2rem;
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}
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.block.alt {
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background: var(--bg-soft);
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border-top: 1px solid var(--border);
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border-bottom: 1px solid var(--border);
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}
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.section-title {
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font-size: clamp(1.6rem, 3vw, 2.2rem);
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font-weight: 700;
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margin: 0 0 0.5rem;
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}
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.section-sub {
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color: var(--text-mute);
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font-size: 0.95rem;
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margin: 0 0 2.5rem;
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}
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/* card grid */
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.card-grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
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gap: 1.2rem;
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}
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.card-grid.four { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
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.card {
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background: var(--surface);
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border: 1px solid var(--border);
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border-radius: 14px;
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padding: 1.8rem;
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transition: all 0.25s;
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}
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.card:hover {
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transform: translateY(-3px);
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border-color: var(--accent);
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background: var(--surface-hi);
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}
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.card-icon { font-size: 2rem; margin-bottom: 0.8rem; }
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.card h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
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.card p { margin: 0; font-size: 0.9rem; color: var(--text-soft); }
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/* timeline */
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.timeline { position: relative; }
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.tl-item {
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display: flex;
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gap: 1.5rem;
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padding-bottom: 2rem;
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}
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.tl-item::before {
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content: "";
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position: absolute;
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left: 65px;
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top: 28px;
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bottom: 0;
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width: 2px;
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background: var(--border);
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}
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.tl-item:last-child::before { display: none; }
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.tl-year {
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flex-shrink: 0;
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width: 56px;
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text-align: right;
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font-weight: 700;
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font-size: 0.85rem;
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color: var(--accent-hi);
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padding-top: 4px;
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}
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.tl-body {
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position: relative;
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flex: 1;
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padding-left: 1.5rem;
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}
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.tl-body::before {
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content: "";
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position: absolute;
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left: 0;
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top: 8px;
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width: 10px;
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height: 10px;
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border-radius: 50%;
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background: var(--accent);
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box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.2);
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}
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.tl-body h4 { margin: 0 0 0.4rem; font-size: 1.05rem; }
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.tl-body p { margin: 0; font-size: 0.88rem; color: var(--text-soft); }
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/* app grid */
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.app-grid {
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display: grid;
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grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
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gap: 1rem;
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}
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.app-item {
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 0.6rem;
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padding: 1.6rem 0.5rem;
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background: var(--surface);
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border: 1px solid var(--border);
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border-radius: 12px;
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font-size: 0.9rem;
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color: var(--text-soft);
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transition: all 0.25s;
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}
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.app-item:hover {
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transform: translateY(-2px);
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border-color: var(--accent);
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color: var(--text);
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}
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.app-emoji { font-size: 1.8rem; }
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/* future */
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.future-grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
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gap: 1.2rem;
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margin-bottom: 2.5rem;
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}
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.future-card {
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border-radius: 14px;
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padding: 1.8rem;
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border: 1px solid var(--border);
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}
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.future-card.positive { background: rgba(0, 184, 148, 0.08); border-color: rgba(0, 184, 148, 0.25); }
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.future-card.challenge { background: rgba(225, 112, 85, 0.08); border-color: rgba(225, 112, 85, 0.25); }
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.future-card h4 { margin: 0 0 0.6rem; font-size: 1.1rem; }
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.future-card p { margin: 0; font-size: 0.9rem; color: var(--text-soft); }
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.quote {
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max-width: 640px;
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margin: 0 auto;
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text-align: center;
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font-size: 1.15rem;
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font-style: italic;
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color: var(--text-soft);
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border-left: none;
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padding: 0;
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}
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.quote p { margin: 0; }
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/* footer */
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.footer {
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border-top: 1px solid var(--border);
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padding: 2.5rem 2rem;
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max-width: var(--maxw);
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margin: 0 auto;
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display: flex;
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flex-wrap: wrap;
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gap: 1rem;
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align-items: center;
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justify-content: space-between;
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}
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.footer-brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 600; }
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.footer-links { display: flex; gap: 1.2rem; flex-wrap: wrap; }
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.footer-links a { font-size: 0.85rem; color: var(--text-mute); transition: color 0.2s; }
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.footer-links a:hover { color: var(--accent-hi); }
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.footer-copy { font-size: 0.8rem; color: var(--text-mute); margin: 0; }
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/* responsive */
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@media (max-width: 640px) {
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.nav-links { display: none; }
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.nav { padding: 0.75rem 1rem; }
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.hero { padding: 3.5rem 1rem 3rem; }
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.block { padding: 3rem 1rem; }
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.tl-item { flex-direction: column; gap: 0.3rem; }
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.tl-year { width: auto; text-align: left; padding-top: 0; }
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.tl-body { padding-left: 1.2rem; }
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.tl-item::before { left: 5px; top: 20px; }
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.footer { flex-direction: column; text-align: center; }
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}
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