/* ───────────────────────── Prism — design tokens ───────────────────────── */ :root { /* Background scale (dark editorial) */ --bg: #0A0A0B; --bg-1: #0F0F11; --bg-2: #15151A; --bg-3: #1C1C22; --line: rgba(255,255,255,0.08); --line-strong: rgba(255,255,255,0.16); /* Text scale */ --ink: #F4F4F5; --ink-1: #C9C9CF; --ink-2: #8E8E96; --ink-3: #5F5F66; --ink-4: #3E3E44; /* Accent — overridden by Tweaks via inline style on */ --accent: #5BE9F4; --accent-ink: #06121A; --accent-glow: color-mix(in oklab, var(--accent) 35%, transparent); /* Status */ --ok: oklch(0.78 0.16 152); /* Type */ --font-serif: "Newsreader", "Noto Serif SC", "Source Han Serif SC", Georgia, serif; --font-sans: "Manrope", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Mono", Menlo, monospace; /* Layout */ --max: 1320px; --gutter: 40px; --rhythm: clamp(96px, 12vw, 160px); } * { box-sizing: border-box; margin: 0; padding: 0; } html { scroll-behavior: smooth; } html, body { background: var(--bg); color: var(--ink); font-family: var(--font-sans); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; font-feature-settings: "ss01", "cv11"; } body { overflow-x: hidden; } ::selection { background: var(--accent); color: var(--accent-ink); } a { color: inherit; text-decoration: none; } button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; } /* ───────────────────────── Type system ───────────────────────── */ .mono { font-family: var(--font-mono); letter-spacing: 0.02em; } .serif { font-family: var(--font-serif); } .eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-2); } .eyebrow .num { color: var(--accent); } .eyebrow .dash { opacity: 0.45; padding: 0 8px; } h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 400; letter-spacing: -0.015em; } h1 { font-size: clamp(56px, 7vw, 104px); line-height: 0.98; letter-spacing: -0.03em; } h2 { font-size: clamp(42px, 4.8vw, 68px); line-height: 1.02; } h3 { font-size: clamp(22px, 1.8vw, 28px); line-height: 1.15; } /* Optical: CN serif looks denser, dial down weight + tighten */ :lang(zh), .cn { font-family: var(--font-sans); } h1 .cn, h2 .cn, h3 .cn { font-family: "Noto Serif SC", "Source Han Serif SC", serif; font-weight: 500; letter-spacing: -0.01em; } .lede { font-size: clamp(16px, 1.2vw, 18px); color: var(--ink-1); max-width: 60ch; line-height: 1.6; } /* ───────────────────────── Layout helpers ───────────────────────── */ .shell { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); } section.section { padding: var(--rhythm) 0; position: relative; } .section + .section { border-top: 1px solid var(--line); } .section-head { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: end; margin-bottom: 64px; } .section-head .title { max-width: 18ch; } .section-head .sub { color: var(--ink-1); max-width: 56ch; } @media (max-width: 860px) { .section-head { grid-template-columns: 1fr; gap: 24px; } } .hairline { height: 1px; background: var(--line); width: 100%; } /* Reveal on scroll */ .reveal { opacity: 0; transform: translateY(20px); transition: opacity .9s ease, transform .9s cubic-bezier(.2,.7,.2,1); } .reveal.in { opacity: 1; transform: none; } /* ───────────────────────── Buttons ───────────────────────── */ .btn { display: inline-flex; align-items: center; gap: 10px; height: 44px; padding: 0 20px; font-size: 14px; font-weight: 500; border: 1px solid var(--line-strong); transition: background .2s, border-color .2s, color .2s, transform .2s; } .btn:hover { transform: translateY(-1px); } .btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); } .btn-primary:hover { background: color-mix(in oklab, var(--accent) 88%, white); } .btn-ghost { background: transparent; color: var(--ink); } .btn-ghost:hover { border-color: var(--ink-1); } .btn .arrow { transition: transform .25s; } .btn:hover .arrow { transform: translateX(3px); } /* Badge */ .badge { display: inline-flex; align-items: center; gap: 10px; height: 28px; padding: 0 12px; border: 1px solid var(--line-strong); border-radius: 999px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; color: var(--ink-1); text-transform: uppercase; } .badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); animation: pulse 2.2s ease-in-out infinite; } @keyframes pulse { 0%, 100% { box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 28%, transparent); } 50% { box-shadow: 0 0 0 6px color-mix(in oklab, var(--accent) 0%, transparent); } } /* ───────────────────────── Caret / typewriter ───────────────────────── */ .caret { display: inline-block; width: 0.5ch; background: currentColor; margin-left: 2px; animation: blink 1s steps(1) infinite; } @keyframes blink { 50% { background: transparent; } } /* ───────────────────────── Nav ───────────────────────── */ .nav { position: fixed; inset: 0 0 auto 0; z-index: 50; backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); background: color-mix(in oklab, var(--bg) 70%, transparent); border-bottom: 1px solid var(--line); transition: background .3s; } .nav-inner { height: 64px; display: flex; align-items: center; justify-content: space-between; } .brand { display: flex; align-items: center; gap: 10px; } .brand-mark { width: 22px; height: 22px; display: inline-block; } .brand-name { font-family: var(--font-serif); font-size: 20px; letter-spacing: -0.01em; } .brand-name sup { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.16em; color: var(--ink-2); margin-left: 8px; vertical-align: 12px; } .nav-links { display: flex; align-items: center; gap: 36px; font-size: 13px; color: var(--ink-1); } .nav-links a { position: relative; padding: 8px 0; } .nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 2px; height: 1px; background: var(--accent); transition: right .3s ease; } .nav-links a:hover { color: var(--ink); } .nav-links a:hover::after, .nav-links a.active::after { right: 0; } .nav-links a .num { font-family: var(--font-mono); font-size: 10px; color: var(--ink-3); margin-right: 6px; letter-spacing: .12em; } .nav-links a.active { color: var(--ink); } @media (max-width: 860px) { .nav-links { display: none; } } /* ───────────────────────── Hero ───────────────────────── */ .hero { padding: 144px 0 0; position: relative; } .hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: start; padding-bottom: var(--rhythm); } @media (max-width: 1080px) { .hero-grid { grid-template-columns: 1fr; } } .hero-title { margin: 24px 0 28px; } .hero-title .en { display: block; font-style: italic; color: var(--ink-2); font-size: 0.32em; line-height: 1.1; margin-top: 16px; letter-spacing: -0.005em; } .hero-tw { display: inline-flex; align-items: center; gap: 12px; height: 36px; min-width: 1ch; font-family: var(--font-mono); font-size: 14px; color: var(--accent); margin-bottom: 28px; } .hero-tw .lead { color: var(--ink-3); } .hero-actions { display: flex; gap: 12px; margin-top: 36px; } /* ───────────────────────── IDE window ───────────────────────── */ .ide { background: var(--bg-1); border: 1px solid var(--line); font-family: var(--font-mono); font-size: 12.5px; position: relative; overflow: hidden; } .ide-chrome { display: flex; align-items: center; gap: 10px; height: 36px; padding: 0 14px; border-bottom: 1px solid var(--line); background: var(--bg-2); } .ide-dots { display: flex; gap: 6px; } .ide-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-4); display: inline-block; } .ide-tabs { display: flex; gap: 0; margin-left: 8px; font-size: 11px; color: var(--ink-2); } .ide-tab { padding: 0 12px; height: 36px; display: inline-flex; align-items: center; gap: 6px; border-right: 1px solid var(--line); } .ide-tab.active { color: var(--ink); background: var(--bg-1); border-bottom: 1px solid var(--bg-1); margin-bottom: -1px; } .ide-tab .x { color: var(--ink-3); } .ide-body { display: grid; grid-template-columns: 1fr 1fr; min-height: 460px; } .ide-pane { padding: 16px; } .ide-pane + .ide-pane { border-left: 1px solid var(--line); } .ide-pane .pane-head { display: flex; align-items: center; justify-content: space-between; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; } .ide-pane .pane-head .right { display: inline-flex; align-items: center; gap: 8px; } .ide-pane .pane-head .live { color: var(--accent); display: inline-flex; align-items: center; gap: 6px; } .ide-pane .pane-head .live i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; } .chat { display: flex; flex-direction: column; gap: 14px; } .msg { display: flex; gap: 10px; align-items: flex-start; } .msg .who { font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; color: var(--ink-3); text-transform: uppercase; min-width: 28px; padding-top: 3px; } .msg.user .who { color: var(--ink-2); } .msg.ai .who { color: var(--accent); } .msg .body { font-family: var(--font-sans); font-size: 13px; color: var(--ink-1); line-height: 1.55; } .msg.ai .body { color: var(--ink); } .msg .tag { display: inline-block; font-family: var(--font-mono); font-size: 10px; padding: 1px 6px; border: 1px solid var(--line-strong); color: var(--ink-2); margin-right: 6px; } .code-stream { font-family: var(--font-mono); font-size: 11.5px; line-height: 1.7; color: var(--ink-1); white-space: pre-wrap; } .code-stream .ln-num { color: var(--ink-4); display: inline-block; width: 2.2em; user-select: none; } .code-stream .k { color: #C792EA; } .code-stream .s { color: var(--accent); } .code-stream .c { color: var(--ink-3); font-style: italic; } .code-stream .f { color: #82AAFF; } .code-stream .t { color: #FFCB6B; } .gen-list { margin-top: 14px; border-top: 1px dashed var(--line); padding-top: 12px; display: flex; flex-direction: column; gap: 4px; } .gen-row { display: grid; grid-template-columns: 16px 1fr auto; align-items: center; gap: 8px; font-size: 11px; color: var(--ink-1); } .gen-row .check { color: var(--accent); } .gen-row .size { color: var(--ink-3); font-family: var(--font-mono); font-size: 10px; } @media (max-width: 720px) { .ide-body { grid-template-columns: 1fr; min-height: 0; } .ide-pane + .ide-pane { border-left: 0; border-top: 1px solid var(--line); } } /* ───────────────────────── Trust bar ───────────────────────── */ .trust { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 28px 0; } .trust-inner { display: flex; flex-wrap: wrap; gap: 0; align-items: center; justify-content: space-between; } .trust-cell { display: flex; align-items: baseline; gap: 10px; flex: 1; min-width: 180px; padding: 6px 0; } .trust-cell + .trust-cell { border-left: 1px solid var(--line); padding-left: 28px; } .trust-num { font-family: var(--font-serif); font-size: 28px; color: var(--ink); } .trust-lbl { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); } .trust-cell.text .trust-lbl { font-family: var(--font-sans); font-size: 12px; text-transform: none; letter-spacing: 0; color: var(--ink-1); } @media (max-width: 860px) { .trust-cell + .trust-cell { border-left: 0; padding-left: 0; } .trust-inner { gap: 14px 36px; } } /* ───────────────────────── Features (2x2) ───────────────────────── */ .feat-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); } .feat-cell { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 48px 40px 44px; position: relative; background: var(--bg); transition: background .3s; } .feat-cell:hover { background: var(--bg-1); } .feat-cell .idx { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; color: var(--ink-3); margin-bottom: 24px; display: flex; align-items: center; gap: 10px; } .feat-cell .idx::after { content: ""; flex: 1; height: 1px; background: var(--line); } .feat-cell h3 { margin-bottom: 14px; max-width: 14ch; } .feat-cell p { color: var(--ink-1); font-size: 14.5px; line-height: 1.65; max-width: 44ch; } .feat-glyph { position: absolute; top: 36px; right: 36px; width: 36px; height: 36px; color: var(--ink-3); } .feat-cell:hover .feat-glyph { color: var(--accent); } @media (max-width: 860px) { .feat-grid { grid-template-columns: 1fr; } } /* ───────────────────────── Demo (3-step) ───────────────────────── */ .demo-steps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); } .demo-step { text-align: left; padding: 24px 28px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; cursor: pointer; background: transparent; transition: background .25s, color .25s; } .demo-step:last-child { border-right: 0; } .demo-step .num { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: .14em; } .demo-step .lbl { font-family: var(--font-serif); font-size: 22px; margin-top: 12px; color: var(--ink); } .demo-step .desc { font-size: 13px; color: var(--ink-2); margin-top: 10px; max-width: 32ch; } .demo-step .progress { position: absolute; left: 0; top: 0; height: 2px; background: var(--accent); width: 0; } .demo-step.active { background: var(--bg-1); } .demo-step.active .progress { transition: width 6s linear; width: 100%; } .demo-step.active .num { color: var(--accent); } .demo-step:hover { background: var(--bg-1); } .demo-stage { min-height: 520px; border: 1px solid var(--line); border-top: 0; background: var(--bg-1); position: relative; overflow: hidden; } @media (max-width: 860px) { .demo-steps { grid-template-columns: 1fr; } .demo-step { border-right: 0; } } .demo-panel { position: absolute; inset: 0; padding: 28px; display: flex; flex-direction: column; gap: 18px; opacity: 0; pointer-events: none; transition: opacity .4s ease; } .demo-panel.in { opacity: 1; pointer-events: auto; } /* Mock browser */ .mock { border: 1px solid var(--line); background: var(--bg-2); font-family: var(--font-sans); } .mock-head { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--line); font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); } .mock-head .url { flex: 1; padding: 4px 10px; background: var(--bg-3); border-radius: 4px; color: var(--ink-2); } .mock-body { padding: 18px; display: flex; flex-direction: column; gap: 12px; } /* Tech section */ .tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); } .tech-cell { padding: 56px 32px 48px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); } .tech-num { font-family: var(--font-serif); font-size: clamp(56px, 5vw, 88px); line-height: 0.95; letter-spacing: -0.03em; color: var(--ink); } .tech-num .unit { font-size: 0.35em; color: var(--ink-2); margin-left: 6px; letter-spacing: 0; vertical-align: 0.6em; } .tech-lbl { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); margin-top: 18px; } .tech-cell .note { font-size: 13px; color: var(--ink-1); margin-top: 14px; max-width: 22ch; line-height: 1.5; } @media (max-width: 860px) { .tech-grid { grid-template-columns: 1fr 1fr; } } /* Scenarios */ .scn-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); } .scn-cell { padding: 44px 36px 44px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 18px; min-height: 360px; } .scn-cell:last-child { border-right: 0; } .scn-num { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; color: var(--accent); } .scn-cell h3 { font-size: 26px; max-width: 12ch; } .scn-cell p { color: var(--ink-1); font-size: 14px; line-height: 1.65; } .scn-tags { margin-top: auto; display: flex; flex-wrap: wrap; gap: 8px; } .scn-tag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .06em; padding: 4px 10px; border: 1px solid var(--line-strong); color: var(--ink-1); } @media (max-width: 860px) { .scn-grid { grid-template-columns: 1fr; } .scn-cell { border-right: 0; min-height: 0; } } /* About */ .about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 80px; } .about-body p { color: var(--ink-1); font-size: 16px; line-height: 1.7; margin-bottom: 18px; max-width: 56ch; } .about-list { display: flex; flex-direction: column; } .about-row { display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); } .about-row:first-child { border-top: 1px solid var(--line); } .about-row .idx { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: .14em; } .about-row .name { font-size: 15px; } .about-row .qty { font-family: var(--font-mono); font-size: 12px; color: var(--ink-2); } @media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; gap: 36px; } } /* Contact */ .contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 80px; } .contact-info { display: flex; flex-direction: column; gap: 32px; } .contact-info p { color: var(--ink-1); font-size: 15px; line-height: 1.7; max-width: 42ch; } .contact-info .info-rows { display: flex; flex-direction: column; gap: 14px; } .contact-info .info-row { display: grid; grid-template-columns: 64px 1fr; gap: 16px; font-size: 14px; align-items: baseline; } .contact-info .info-row .k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; color: var(--ink-3); text-transform: uppercase; padding-top: 4px; } .contact-info .info-row .v { color: var(--ink); } .contact-info .info-row .v.muted { color: var(--ink-2); } .form { display: flex; flex-direction: column; gap: 0; } .field { display: flex; flex-direction: column; gap: 8px; padding: 18px 0; border-bottom: 1px solid var(--line); position: relative; } .field:first-child { border-top: 1px solid var(--line); } .field label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); display: flex; align-items: center; gap: 8px; } .field label .req { color: var(--accent); } .field input, .field textarea { background: transparent; border: 0; outline: 0; padding: 4px 0; font: inherit; color: var(--ink); font-size: 17px; } .field input::placeholder, .field textarea::placeholder { color: var(--ink-4); } .field textarea { resize: vertical; min-height: 72px; font-size: 15px; line-height: 1.55; } .field.error { background: color-mix(in oklab, #ff5a5f 7%, transparent); } .field .err { font-size: 11px; color: #FF8A8E; } .id-choices { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 4px; } .id-choice { padding: 8px 14px; border: 1px solid var(--line-strong); font-size: 13px; color: var(--ink-1); font-family: var(--font-sans); cursor: pointer; transition: all .2s; } .id-choice:hover { color: var(--ink); border-color: var(--ink-2); } .id-choice.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); } .form-submit { margin-top: 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px; } .form-submit .note { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: .04em; } .form-success { padding: 36px; border: 1px solid var(--accent); background: color-mix(in oklab, var(--accent) 7%, transparent); color: var(--ink); font-size: 15px; line-height: 1.6; } .form-success .h { font-family: var(--font-serif); font-size: 26px; margin-bottom: 8px; } @media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; gap: 40px; } } /* Footer */ footer.footer { border-top: 1px solid var(--line); padding: 56px 0 32px; font-size: 13px; color: var(--ink-2); } .foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 56px; } .foot-col h4 { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 16px; font-weight: 500; } .foot-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; } .foot-col a:hover { color: var(--ink); } .foot-bottom { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding-top: 24px; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); } @media (max-width: 860px) { .foot-top { grid-template-columns: 1fr 1fr; } .foot-bottom { flex-direction: column; align-items: flex-start; } } /* Big-text section-mark used inside section heads */ .section-mark { position: absolute; right: var(--gutter); top: 32px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: .16em; } /* Image / placeholder */ .placeholder { background: repeating-linear-gradient(135deg, transparent 0 7px, color-mix(in oklab, var(--ink-4) 18%, transparent) 7px 8px), var(--bg-2); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); text-align: center; padding: 12px; }