:root{--bg: #f7f7fb;--bg-2: #ffffff;--panel: #ffffff;--panel-2: #f2f3f8;--line: #e6e8ef;--line-2: #d3d7e2;--text: #171a21;--muted: #667085;--dim: #98a2b3;--accent: #111318;--accent-2: #6d5cf5;--accent-ink: #ffffff;--ok: #17925f;--radius: 18px;--shadow: 0 10px 30px rgba(23, 26, 33, .06), 0 1px 2px rgba(23, 26, 33, .04);--checker: repeating-conic-gradient(#e9ebf2 0 25%, #f7f8fb 0 50%) 0 0 / 22px 22px;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(50% 30% at 10% 0%,rgba(109,92,245,.12),transparent 60%),radial-gradient(40% 28% at 90% 4%,rgba(255,150,120,.14),transparent 60%),var(--bg);color:var(--text);font:15px/1.65 Manrope Variable,-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Noto Sans CJK SC,Microsoft 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figcaption{font-size:11px;letter-spacing:.14em;font-weight:600;text-transform:uppercase;color:var(--muted)}.clip-dark{background:#16181e}.clip-dark figcaption{color:#9aa3b5}.matrix-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:4px 0 12px}.matrix-tabs button{padding:6px 12px;border-radius:999px;border:1px solid var(--line-2);background:var(--panel-2);color:var(--muted);font:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s,color .15s,border-color .15s}.matrix-tabs button:hover{border-color:var(--muted);color:var(--text)}.matrix-tabs button.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.matrix-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.matrix-note{margin:12px 0 0;color:var(--muted);font-size:13px}.variant-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;max-width:900px;margin:0 auto;padding:28px 0 56px}.variant-card{display:flex;flex-direction:column;gap:14px;padding:22px 20px 20px;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow)}.variant-card h4{margin:0;padding-left:12px;border-left:3px solid var(--cat, var(--accent));font-size:18px;font-weight:700}.variant-card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.6}.variant-pair{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px}.variant-pair figure{margin:0;min-width:0;display:flex;flex-direction:column;align-items:center;gap:8px}.variant-pair img{width:100%;height:auto;border-radius:10px}.variant-pair img.checker{border:1px solid var(--line-2)}.variant-pair figcaption{font-size:10.5px;letter-spacing:.12em;font-weight:600;text-transform:uppercase;color:var(--muted);text-align:center}.variant-arrow{color:var(--cat, var(--accent));font-size:22px}.variant-proof{display:flex;justify-content:center}.variant-proof .clip{width:100%;max-width:240px}.tut-card.on{border-color:var(--accent);box-shadow:0 0 0 3px #1113180f}.tut-code{margin-top:16px;text-align:left;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace}@media(max-width:960px){.variant-grid{grid-template-columns:minmax(0,520px);justify-content:center}}@media(max-width:620px){.matrix-row{grid-template-columns:repeat(2,1fr)}.lineup-stage{justify-content:flex-start}}.cycle-tabs{display:inline-flex;gap:4px;margin:22px auto 0;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--panel)}.cycle-tabs button{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border:0;border-radius:999px;background:transparent;color:var(--muted);font:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:background .14s,color .14s}.cycle-tabs button:hover{color:var(--text)}.cycle-tabs button.on{background:var(--accent);color:var(--accent-ink)}.cycle-tabs .save{padding:2px 7px;border-radius:999px;background:#6d5cf524;color:var(--accent-2);font-size:11.5px;font-weight:700}.cycle-tabs button.on .save{background:#ffffff2e;color:#fff}.plan-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;max-width:1180px;margin:26px auto 0;text-align:left}.plan{position:relative;display:flex;flex-direction:column;padding:24px 20px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}.plan.hot{border-color:var(--accent-2);box-shadow:0 14px 40px #6d5cf529}.plan-ribbon{position:absolute;top:-11px;left:50%;transform:translate(-50%);padding:3px 12px;border-radius:999px;background:var(--accent-2);color:#fff;font-size:11.5px;font-weight:700;white-space:nowrap}.plan-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}.plan-en{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--dim)}.plan-bonus{padding:3px 9px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-size:11.5px;font-weight:700;white-space:nowrap}.plan.hot .plan-bonus{background:var(--accent-2)}.plan h3{margin:0;font-size:20px;font-weight:700}.plan-price{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px;margin:10px 0 2px}.plan-price s{color:var(--dim);font-size:15px;font-weight:600}.plan-price b{font-size:32px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.plan-price .per{color:var(--muted);font-size:13px;font-weight:600}.plan-note{margin:0 0 14px;min-height:34px;color:var(--muted);font-size:12.5px;line-height:1.45}.plan-box{padding:12px 13px;border-radius:12px;background:var(--panel-2)}.plan.hot .plan-box{background:#6d5cf514}.plan-get{font-size:15px;font-weight:700}.plan-break,.plan-life{margin-top:3px;color:var(--muted);font-size:12px}.plan-life{color:var(--accent-2);font-weight:600}.plan-rows{flex:1;margin:14px 0 16px;padding:0;list-style:none;display:grid;gap:8px}.plan-rows li{position:relative;padding-left:18px;color:var(--text);font-size:13px;line-height:1.45}.plan-rows li:before{content:"✦";position:absolute;left:0;color:var(--accent-2);font-size:11px}.plan-cta{width:100%}.plan-foot{max-width:1180px;margin:22px auto 0;text-align:left}.plan-free{margin:0 0 12px;padding:12px 16px;border:1px dashed var(--line-2);border-radius:12px;background:var(--panel);font-size:14px;font-weight:600}.plan-free a{color:var(--accent-2);text-decoration:none}.plan-free a:hover{text-decoration:underline}.unit-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:6px 20px;margin:0 0 10px;padding:0;list-style:none}.unit-list li{position:relative;padding-left:16px;color:var(--muted);font-size:13px}.unit-list li:before{content:"·";position:absolute;left:4px;color:var(--dim)}.plan-foot small{color:var(--dim);font-size:12px;line-height:1.5;display:block}@media(max-width:1040px){.plan-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.plan-grid{grid-template-columns:minmax(0,1fr)}.cycle-tabs{width:100%;justify-content:center}.cycle-tabs button{padding:9px 12px;font-size:13px}}.btn-ghost{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border:1px solid var(--line-2);border-radius:10px;background:var(--panel);color:var(--text);font:inherit;font-size:15px;font-weight:700;text-decoration:none;cursor:pointer;transition:border-color .14s,background .14s,transform .14s}.btn-ghost:hover{border-color:var(--accent);background:var(--panel-2);transform:translateY(-1px)}