697 lines
20 KiB
HTML
697 lines
20 KiB
HTML
<!doctype html>
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<html lang="zh-Hans">
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<head>
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<meta charset="utf-8" />
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<title>w1 · 品牌协议 · 五步不能跳</title>
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<link rel="preconnect" href="https://fonts.googleapis.com">
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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<link href="https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,300..700;1,8..60,300..700&family=Noto+Serif+SC:wght@200;300;400;500;600&family=Inter:wght@100;200;300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
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<style>
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:root {
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--bg: #000000;
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--ink: #FFFFFF;
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--ink-80: rgba(255,255,255,0.82);
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--ink-60: rgba(255,255,255,0.58);
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--muted: rgba(255,255,255,0.40);
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--dim: rgba(255,255,255,0.18);
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--hairline: rgba(255,255,255,0.12);
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--accent: #D97757;
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--accent-deep: #B85D3D;
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--cd-bg: #F5F4F0;
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--cd-panel: #FFFFFF;
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--cd-ink: #1A1918;
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--serif-zh: "Noto Serif SC", "Songti SC", serif;
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--serif-en: "Source Serif 4", "Tiempos Headline", Georgia, serif;
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--sans: "Inter", -apple-system, "PingFang SC", "HarmonyOS Sans SC", system-ui, sans-serif;
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--mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;
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}
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html, body {
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margin: 0; padding: 0;
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background: #000;
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overflow: hidden;
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font-family: var(--sans);
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color: var(--ink);
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-webkit-font-smoothing: antialiased;
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}
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* { box-sizing: border-box; }
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.stage {
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position: fixed;
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top: 50%; left: 50%;
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width: 1920px; height: 1080px;
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transform-origin: center center;
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background: var(--bg);
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overflow: hidden;
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}
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/* Film grain texture (very subtle) */
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.stage::before {
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content: '';
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position: absolute;
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inset: 0;
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background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='300'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/></svg>");
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opacity: 0.02;
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pointer-events: none;
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z-index: 100;
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}
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/* Chrome · watermark */
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.mark {
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position: absolute;
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top: 48px; left: 64px;
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font-family: var(--mono);
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font-size: 13px;
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letter-spacing: 0.2em;
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color: rgba(255,255,255,1);
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opacity: 0.16;
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pointer-events: none;
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z-index: 50;
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}
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.mark-right {
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position: absolute;
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top: 48px; right: 64px;
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font-family: var(--mono);
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font-size: 13px;
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letter-spacing: 0.2em;
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color: rgba(255,255,255,1);
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opacity: 0.16;
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pointer-events: none;
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z-index: 50;
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}
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/* ====== Title (centered, small, top) ====== */
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.title-line {
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position: absolute;
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top: 128px;
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left: 50%;
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transform: translateX(-50%);
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font-family: var(--mono);
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font-size: 14px;
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letter-spacing: 0.28em;
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color: var(--muted);
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text-transform: uppercase;
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opacity: 0;
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will-change: opacity, transform;
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}
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/* ====== Chain · 5 cards connected by a line ====== */
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.chain {
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position: absolute;
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top: 50%; left: 50%;
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transform: translate(-50%, -50%);
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width: 1680px;
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height: 360px;
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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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padding: 0 80px;
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}
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/* The connecting line behind the cards */
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.chain-line {
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position: absolute;
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top: 50%;
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left: 140px;
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right: 140px;
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height: 1px;
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background: linear-gradient(90deg,
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transparent 0%,
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rgba(217,119,87,0.0) 2%,
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rgba(217,119,87,0.8) 12%,
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rgba(217,119,87,0.8) 88%,
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rgba(217,119,87,0.0) 98%,
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transparent 100%);
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transform-origin: left center;
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transform: scaleX(0);
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will-change: transform;
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}
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.card {
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position: relative;
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width: 248px;
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height: 320px;
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background: rgba(255,255,255,0.02);
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border: 1px solid var(--hairline);
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border-radius: 14px;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: space-between;
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padding: 32px 20px 26px;
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opacity: 0;
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transform: translateY(20px);
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will-change: opacity, transform;
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backdrop-filter: blur(10px);
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}
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.card.active {
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border-color: rgba(217,119,87,0.6);
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box-shadow:
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0 0 0 1px rgba(217,119,87,0.35),
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0 30px 60px -30px rgba(217,119,87,0.35),
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0 10px 24px -10px rgba(0,0,0,0.6);
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}
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.card-num {
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font-family: var(--mono);
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font-size: 11px;
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letter-spacing: 0.25em;
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color: var(--muted);
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}
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.card.active .card-num {
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color: var(--accent);
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}
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.card-glyph {
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width: 88px;
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height: 88px;
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display: flex;
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align-items: center;
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justify-content: center;
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position: relative;
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}
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.card-label {
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text-align: center;
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}
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.card-label .zh {
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font-family: var(--serif-zh);
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font-size: 32px;
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font-weight: 300;
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color: var(--ink);
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letter-spacing: 0.04em;
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line-height: 1;
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margin-bottom: 10px;
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}
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.card-label .en {
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font-family: var(--mono);
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font-size: 11px;
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letter-spacing: 0.22em;
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color: var(--muted);
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text-transform: uppercase;
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}
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/* Glyph · Step 1 · Ask (question mark inside a circle, drawn minimal) */
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.g-ask {
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width: 80px; height: 80px;
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border: 1px solid var(--ink-60);
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border-radius: 50%;
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display: flex;
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align-items: center;
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justify-content: center;
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font-family: var(--serif-en);
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font-weight: 300;
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font-size: 44px;
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color: var(--ink-80);
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position: relative;
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transition: border-color 0.3s, color 0.3s;
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}
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.card.active .g-ask { border-color: var(--accent); color: var(--accent); }
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/* Glyph · Step 2 · Search (magnifier with crosshair) */
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.g-search {
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width: 80px; height: 80px;
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position: relative;
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}
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.g-search .ring {
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position: absolute;
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top: 10px; left: 10px;
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width: 52px; height: 52px;
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border: 1px solid var(--ink-60);
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border-radius: 50%;
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transition: border-color 0.3s;
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}
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.g-search .handle {
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position: absolute;
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bottom: 8px; right: 6px;
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width: 22px; height: 1px;
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background: var(--ink-60);
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transform: rotate(45deg);
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transform-origin: right center;
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transition: background 0.3s;
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}
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.g-search .dot {
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position: absolute;
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top: 26px; left: 26px;
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width: 4px; height: 4px;
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background: var(--muted);
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border-radius: 50%;
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opacity: 0;
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transition: opacity 0.3s, background 0.3s;
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}
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.card.active .g-search .ring { border-color: var(--accent); }
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.card.active .g-search .handle { background: var(--accent); }
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.card.active .g-search .dot { opacity: 1; background: var(--accent); }
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/* Glyph · Step 3 · Grab (download arrow into a tray) */
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.g-grab {
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width: 80px; height: 80px;
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position: relative;
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}
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.g-grab .arrow {
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position: absolute;
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top: 8px; left: 50%;
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transform: translateX(-50%);
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width: 1px; height: 36px;
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background: var(--ink-60);
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transition: background 0.3s;
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}
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.g-grab .arrow::before {
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content: '';
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position: absolute;
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bottom: -1px; left: 50%;
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transform: translateX(-50%) rotate(45deg);
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width: 14px; height: 14px;
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border-right: 1px solid currentColor;
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border-bottom: 1px solid currentColor;
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color: var(--ink-60);
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transition: color 0.3s;
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}
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.g-grab .tray {
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position: absolute;
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bottom: 10px; left: 12px; right: 12px;
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height: 20px;
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border: 1px solid var(--ink-60);
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border-top: none;
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border-radius: 0 0 4px 4px;
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transition: border-color 0.3s;
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}
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.card.active .g-grab .arrow { background: var(--accent); }
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.card.active .g-grab .arrow::before { color: var(--accent); }
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.card.active .g-grab .tray { border-color: var(--accent); }
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/* Glyph · Step 4 · Grep (terminal-like code with highlighted match) */
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.g-grep {
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width: 100px; height: 80px;
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font-family: var(--mono);
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font-size: 10px;
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color: var(--muted);
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line-height: 1.5;
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display: flex;
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flex-direction: column;
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justify-content: center;
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padding-left: 8px;
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position: relative;
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}
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.g-grep .line { white-space: nowrap; }
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.g-grep .hit {
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color: var(--accent);
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background: rgba(217,119,87,0.12);
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padding: 1px 3px;
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border-radius: 2px;
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}
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/* Glyph · Step 5 · Lock (a file with lines) */
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.g-lock {
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width: 72px; height: 86px;
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position: relative;
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}
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.g-lock .file {
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position: absolute;
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inset: 0;
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border: 1px solid var(--ink-60);
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border-radius: 4px;
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transition: border-color 0.3s;
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}
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.g-lock .fold {
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position: absolute;
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top: -1px; right: -1px;
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width: 18px; height: 18px;
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background: var(--bg);
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border-left: 1px solid var(--ink-60);
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border-bottom: 1px solid var(--ink-60);
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transition: border-color 0.3s;
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}
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.g-lock .row {
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position: absolute;
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left: 10px;
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height: 1px;
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background: var(--muted);
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transition: background 0.3s;
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}
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.g-lock .row.r1 { top: 22px; width: 40px; }
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.g-lock .row.r2 { top: 34px; width: 48px; }
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.g-lock .row.r3 { top: 46px; width: 32px; }
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.g-lock .row.r4 { top: 58px; width: 44px; }
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.g-lock .row.r5 { top: 70px; width: 28px; background: var(--accent); }
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.card.active .g-lock .file { border-color: var(--accent); }
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.card.active .g-lock .fold { border-color: var(--accent); }
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/* ====== Final · brand-spec.md file ====== */
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.final-file {
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position: absolute;
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top: 50%; left: 50%;
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transform: translate(-50%, -50%) scale(0.9);
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width: 520px;
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background: var(--cd-bg);
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color: var(--cd-ink);
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border-radius: 10px;
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padding: 38px 44px 42px;
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opacity: 0;
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box-shadow:
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0 40px 90px -30px rgba(217,119,87,0.4),
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0 20px 50px -20px rgba(0,0,0,0.6),
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0 0 0 1px rgba(217,119,87,0.3);
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will-change: opacity, transform;
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}
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.final-file .file-name {
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font-family: var(--mono);
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font-size: 14px;
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letter-spacing: 0.08em;
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color: var(--accent-deep);
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margin-bottom: 20px;
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display: flex;
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align-items: center;
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gap: 10px;
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}
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.final-file .file-name::before {
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content: '';
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width: 6px; height: 6px;
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background: var(--accent);
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border-radius: 50%;
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}
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.final-file .h1 {
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font-family: var(--serif-zh);
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font-size: 26px;
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font-weight: 400;
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margin: 0 0 18px;
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letter-spacing: 0.02em;
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}
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.final-file .kv {
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font-family: var(--mono);
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font-size: 12px;
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line-height: 1.9;
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color: rgba(26,25,24,0.65);
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}
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.final-file .kv .k { color: var(--accent-deep); }
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.final-file .kv .swatch {
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display: inline-block;
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width: 10px; height: 10px;
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border-radius: 2px;
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vertical-align: middle;
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margin-right: 6px;
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}
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.final-file .caret {
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display: inline-block;
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width: 7px; height: 14px;
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background: var(--accent);
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vertical-align: -2px;
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margin-left: 2px;
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animation: blink 1.1s steps(2) infinite;
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}
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@keyframes blink { 50% { opacity: 0; } }
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/* Brand reveal (final 2 sec, keeps with Motion Spec) */
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.brand-sheet {
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position: absolute;
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inset: 0;
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background: var(--cd-bg);
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transform: translateY(100%);
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will-change: transform;
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z-index: 80;
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}
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.brand-reveal {
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position: absolute;
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inset: 0;
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z-index: 81;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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opacity: 0;
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will-change: opacity, transform;
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}
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.brand-reveal .wordmark {
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font-family: var(--sans);
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font-weight: 100;
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font-size: 128px;
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letter-spacing: -0.045em;
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color: var(--cd-ink);
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line-height: 1;
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}
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.brand-reveal .wordmark .accent { color: var(--accent); }
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.brand-reveal .underline {
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width: 0;
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height: 2px;
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background: var(--accent);
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margin-top: 36px;
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will-change: width;
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}
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</style>
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</head>
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<body>
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<div class="stage" id="stage">
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<div class="mark">HUASHU · DESIGN</div>
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<div class="mark-right">V2 · 2026</div>
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<div class="title-line" id="titleLine">w1 · 品牌协议</div>
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<div class="chain">
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<div class="chain-line" id="chainLine"></div>
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<div class="card" data-step="1">
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<div class="card-num">STEP 01</div>
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<div class="card-glyph"><div class="g-ask">?</div></div>
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<div class="card-label">
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<div class="zh">问</div>
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<div class="en">Ask</div>
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</div>
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</div>
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<div class="card" data-step="2">
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<div class="card-num">STEP 02</div>
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<div class="card-glyph">
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<div class="g-search">
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<div class="ring"></div>
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<div class="handle"></div>
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<div class="dot"></div>
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</div>
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</div>
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<div class="card-label">
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<div class="zh">搜</div>
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<div class="en">Search</div>
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</div>
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</div>
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<div class="card" data-step="3">
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<div class="card-num">STEP 03</div>
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<div class="card-glyph">
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<div class="g-grab">
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<div class="arrow"></div>
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<div class="tray"></div>
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</div>
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</div>
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<div class="card-label">
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<div class="zh">下</div>
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<div class="en">Grab</div>
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</div>
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</div>
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<div class="card" data-step="4">
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<div class="card-num">STEP 04</div>
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<div class="card-glyph">
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<div class="g-grep">
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<div class="line">#F5F4F0</div>
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<div class="line"><span class="hit">#D97757</span></div>
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<div class="line">#1A1918</div>
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<div class="line">#FFFFFF</div>
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</div>
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</div>
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<div class="card-label">
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<div class="zh">grep</div>
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<div class="en">Extract</div>
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</div>
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</div>
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<div class="card" data-step="5">
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<div class="card-num">STEP 05</div>
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<div class="card-glyph">
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<div class="g-lock">
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<div class="file"></div>
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<div class="fold"></div>
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<div class="row r1"></div>
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<div class="row r2"></div>
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<div class="row r3"></div>
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<div class="row r4"></div>
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<div class="row r5"></div>
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</div>
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</div>
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<div class="card-label">
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<div class="zh">定</div>
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<div class="en">Lock</div>
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</div>
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</div>
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</div>
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<div class="final-file" id="finalFile">
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<div class="file-name">brand-spec.md</div>
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<div class="h1">资产已固化<span class="caret"></span></div>
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<div class="kv">
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<div><span class="k">logo</span> · assets/logo.svg</div>
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<div><span class="k">hero</span> · product-hero.png</div>
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<div><span class="k">accent</span> · <span class="swatch" style="background:#D97757"></span>#D97757</div>
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<div><span class="k">bg</span> · <span class="swatch" style="background:#000;border:1px solid rgba(0,0,0,0.15)"></span>#000000</div>
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</div>
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</div>
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<div class="brand-sheet" id="brandSheet"></div>
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<div class="brand-reveal" id="brandReveal">
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<div class="wordmark">huashu<span class="accent"> · </span>design</div>
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<div class="underline" id="brandUnderline"></div>
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</div>
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</div>
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<script>
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// ── Auto-scale stage to viewport ─────────────────
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function fitStage() {
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const stage = document.getElementById('stage');
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const sx = window.innerWidth / 1920;
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const sy = window.innerHeight / 1080;
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const s = Math.min(sx, sy);
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stage.style.transform = `translate(-50%, -50%) scale(${s})`;
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}
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fitStage();
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|
window.addEventListener('resize', fitStage);
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|
|
|
// ── Easing functions ─────────────────
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const expoOut = t => t === 1 ? 1 : 1 - Math.pow(2, -10 * t);
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const expoIn = t => t === 0 ? 0 : Math.pow(2, 10 * (t - 1));
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const cubicInOut = t => t < 0.5 ? 4 * t * t * t : 1 - Math.pow(-2 * t + 2, 3) / 2;
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|
const cubicOut = t => 1 - Math.pow(1 - t, 3);
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|
|
|
function lerp(t, a, b, easing) {
|
|
if (t <= 0) return a;
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|
if (t >= 1) return b;
|
|
const e = easing ? easing(t) : t;
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|
return a + (b - a) * e;
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|
}
|
|
function seg(time, start, end) {
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|
if (time <= start) return 0;
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|
if (time >= end) return 1;
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|
return (time - start) / (end - start);
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|
}
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|
|
|
// ── Timeline (total 12s) ─────────────────
|
|
// Beat 1 (0-2s) · Beat 2 (2-10s) · Beat 3 (10-12s)
|
|
//
|
|
// Card schedule:
|
|
// Card 1 enter 0.8-1.6s, active 1.6-3.0
|
|
// Card 2 enter 2.4-3.2s, active 3.2-4.6
|
|
// Card 3 enter 4.0-4.8s, active 4.8-6.2
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|
// Card 4 enter 5.6-6.4s, active 6.4-7.8
|
|
// Card 5 enter 7.2-8.0s, active 8.0-9.4
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|
// All cards stay visible (frozen after active ends)
|
|
//
|
|
// Line draws 0.6-8.0s (while cards come in)
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|
// Title fades in 0.2-1.2, fades out 9.6-10.0
|
|
// Final file: 8.8-9.8 scale in, hold to 10.0
|
|
// Brand reveal: 10.0-12.0
|
|
|
|
const cards = Array.from(document.querySelectorAll('.card'));
|
|
const cardTimings = [
|
|
{ enter: [0.8, 1.6], active: [1.6, 3.0] },
|
|
{ enter: [2.4, 3.2], active: [3.2, 4.6] },
|
|
{ enter: [4.0, 4.8], active: [4.8, 6.2] },
|
|
{ enter: [5.6, 6.4], active: [6.4, 7.8] },
|
|
{ enter: [7.2, 8.0], active: [8.0, 9.4] },
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|
];
|
|
|
|
const titleLine = document.getElementById('titleLine');
|
|
const chainLine = document.getElementById('chainLine');
|
|
const finalFile = document.getElementById('finalFile');
|
|
const brandSheet = document.getElementById('brandSheet');
|
|
const brandReveal = document.getElementById('brandReveal');
|
|
const brandUnderline = document.getElementById('brandUnderline');
|
|
|
|
const DURATION = 12.0;
|
|
let startTime = null;
|
|
let loop = true;
|
|
|
|
// Honor recording flag
|
|
if (window.__recording === true) loop = false;
|
|
|
|
function tick(now) {
|
|
if (startTime === null) startTime = now;
|
|
let t = (now - startTime) / 1000;
|
|
|
|
if (t >= DURATION) {
|
|
if (loop) { startTime = now; t = 0; }
|
|
else { t = DURATION; }
|
|
}
|
|
|
|
// Title
|
|
const titleIn = seg(t, 0.2, 1.2);
|
|
const titleOut = seg(t, 9.6, 10.0);
|
|
const titleOpacity = Math.min(cubicOut(titleIn), 1 - titleOut);
|
|
titleLine.style.opacity = Math.max(0, titleOpacity);
|
|
titleLine.style.transform = `translateX(-50%) translateY(${lerp(titleIn, -8, 0, cubicOut)}px)`;
|
|
|
|
// Chain line — grows left→right as cards arrive
|
|
const lineT = seg(t, 0.6, 8.0);
|
|
chainLine.style.transform = `scaleX(${cubicInOut(lineT)})`;
|
|
|
|
// Cards
|
|
cards.forEach((card, i) => {
|
|
const { enter, active } = cardTimings[i];
|
|
const enterT = seg(t, enter[0], enter[1]);
|
|
|
|
const baseOp = expoOut(enterT);
|
|
const ty = lerp(enterT, 20, 0, expoOut);
|
|
|
|
// Active state during the card's "spotlight" window
|
|
const isActive = t >= active[0] && t <= active[1];
|
|
card.classList.toggle('active', isActive);
|
|
|
|
// Cards dim to 25% when final file starts zooming in (8.8-9.6),
|
|
// then fade fully when brand reveal takes over (10.0-10.4)
|
|
const dimT = seg(t, 8.8, 9.6);
|
|
const exitT = seg(t, 10.0, 10.4);
|
|
const dimFactor = lerp(dimT, 1.0, 0.22, cubicInOut);
|
|
const finalOp = baseOp * dimFactor * (1 - exitT);
|
|
|
|
if (dimT > 0) card.classList.remove('active');
|
|
|
|
card.style.opacity = finalOp;
|
|
card.style.transform = `translateY(${ty - 10 * exitT}px)`;
|
|
});
|
|
|
|
// Chain line also dims when final file zooms, fades with cards at 10.0-10.4
|
|
const chainDim = seg(t, 8.8, 9.6);
|
|
const chainExit = seg(t, 10.0, 10.4);
|
|
chainLine.style.opacity = lerp(chainDim, 1, 0.22, cubicInOut) * (1 - chainExit);
|
|
|
|
// Final file: 8.8-9.8 scale+fade in, then 9.8-10.2 scale+settle, hold to ~10.0
|
|
const finalInT = seg(t, 8.8, 9.8);
|
|
const finalScale = lerp(finalInT, 0.88, 1.0, expoOut);
|
|
const finalOp = cubicOut(finalInT);
|
|
// fade final file out into brand reveal
|
|
const finalOut = seg(t, 10.0, 10.6);
|
|
finalFile.style.opacity = finalOp * (1 - finalOut);
|
|
finalFile.style.transform = `translate(-50%, -50%) scale(${finalScale * (1 - finalOut * 0.04)})`;
|
|
|
|
// Brand reveal — sheet slides up from bottom 10.0-10.6, wordmark fades in 10.6-11.4, underline 11.4-11.9
|
|
const sheetT = seg(t, 10.0, 10.6);
|
|
brandSheet.style.transform = `translateY(${lerp(sheetT, 100, 0, expoOut)}%)`;
|
|
|
|
const wordT = seg(t, 10.6, 11.4);
|
|
brandReveal.style.opacity = cubicOut(wordT);
|
|
// NOTE: no scale transform on .brand-reveal — it would compound with the
|
|
// underline width animation and make the line appear mis-placed. Instead,
|
|
// scale the wordmark alone via font-variation-settings-safe approach: none here.
|
|
|
|
const underT = seg(t, 11.4, 11.9);
|
|
brandUnderline.style.width = `${lerp(underT, 0, 280, expoOut)}px`;
|
|
|
|
// Mark as ready for recorder on first frame
|
|
if (!window.__ready) window.__ready = true;
|
|
|
|
if (loop || t < DURATION) requestAnimationFrame(tick);
|
|
}
|
|
// Wait for fonts before first paint so Serif glyphs are correct
|
|
(document.fonts && document.fonts.ready ? document.fonts.ready : Promise.resolve())
|
|
.then(() => requestAnimationFrame(tick));
|
|
</script>
|
|
</body>
|
|
</html>
|