/* ---------- 顶栏 ---------- */
.nav { position: sticky; top: 0; z-index: 30; transition: background .3s, box-shadow .3s, border-color .3s; border-bottom: 1px solid transparent; }
.nav.scrolled { background: color-mix(in srgb, var(--workspace) 80%, transparent); backdrop-filter: blur(16px) saturate(150%); border-color: var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--ink); letter-spacing: -.02em; }
.logo-mark { width: 36px; height: 36px; display: block; object-fit: contain; flex: none; }
.logo small { font-weight: 600; font-size: 12px; color: var(--primary); background: var(--tint); padding: 2px 8px; border-radius: 999px; }
.nav-links { display: flex; gap: 24px; margin-right: auto; }
.nav-links a { color: var(--muted); font-size: 14.5px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
/* 产品切换：只有多个产品上架时出现，窄屏也保留 */
.nav-products { position: relative; display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px; background: color-mix(in srgb, var(--soft) 85%, transparent); border: 1px solid var(--line); }
.nav-products a { display: inline-flex; align-items: center; gap: 7px; padding: 4px 12px 4px 5px; border-radius: 999px; font-size: 13.5px; font-weight: 600; color: var(--muted); transition: color .2s, background .25s, box-shadow .25s; }
.nav-products a:hover { color: var(--ink); }
.nav-products .p-logo { width: 22px; height: 22px; transition: transform .35s var(--ease); }
.nav-products a:hover .p-logo { transform: translateY(-1px) scale(1.06); }
.nav-products a[aria-current] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow), 0 0 0 1px color-mix(in srgb, var(--primary) 18%, transparent); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--brand-gradient); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px; border: 2px solid #fff; box-shadow: var(--shadow); }

/* ---------- 首屏 ---------- */
.hero { padding: 56px 0 88px; }
.hero .wrap { display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 5px 16px 5px 5px; border-radius: 999px; background: var(--glass-strong); border: 1px solid var(--line); font-size: 13px; color: var(--muted); box-shadow: var(--shadow); }
.eyebrow b { padding-right: 10px; border-right: 1px solid var(--line-strong); color: var(--ink); font-size: 13.5px; font-weight: 700; }
.eyebrow .p-logo { width: 26px; height: 26px; }
.eyebrow b:first-child { padding-left: 10px; }
.hero h1 { margin: 22px 0 18px; font-size: clamp(40px, 5.6vw, 72px); line-height: 1.04; letter-spacing: -.035em; color: var(--ink); font-weight: 800; }
.grad { background: var(--text-gradient); background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent; animation: flow 8s linear infinite; }
.hero p.lead { font-size: 18px; color: var(--muted); max-width: 520px; margin: 0 0 32px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.trust { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 36px; color: var(--muted); font-size: 14px; }
.trust span { display: inline-flex; align-items: center; gap: 8px; }
.trust svg { color: var(--primary); }

.stage { position: relative; perspective: 1400px; min-height: 440px; }
.terminal { position: relative; border-radius: 22px; background: var(--term-bg); color: var(--on-dark-ink); box-shadow: 0 50px 100px -30px var(--panel-shadow), 0 0 0 1px #ffffff14 inset; transform: rotateX(var(--rx, 6deg)) rotateY(var(--ry, -10deg)); transform-style: preserve-3d; transition: transform .5s var(--ease); overflow: hidden; }
.terminal::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: conic-gradient(from var(--angle), transparent 0deg, var(--d3) 60deg, var(--g2) 120deg, transparent 180deg, transparent 360deg); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; animation: spin 6s linear infinite; pointer-events: none; }
.terminal::after { content: ""; position: absolute; inset: 0; background: radial-gradient(400px 200px at var(--mx, 70%) var(--my, 0%), color-mix(in srgb, var(--d3) 18%, transparent), transparent 70%); pointer-events: none; }
.term-bar { display: flex; align-items: center; gap: 8px; padding: 14px 18px; border-bottom: 1px solid #ffffff12; font-size: 12.5px; color: var(--on-dark-muted); }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #ffffff1f; }
.term-bar i:nth-child(1) { background: #ff6b81; } .term-bar i:nth-child(2) { background: #ffc35c; } .term-bar i:nth-child(3) { background: #52d69a; }
.term-bar span { margin-left: 10px; font-family: var(--mono); }
.term-body { padding: 22px 22px 26px; font-family: var(--mono); font-size: 13.5px; line-height: 1.95; min-height: 330px; }
.term-body .ln { opacity: 0; transform: translateY(4px); animation: rise .4s var(--ease) forwards; white-space: pre-wrap; }
.term-body .p { color: var(--d1); } .term-body .ok { color: #6fe3ae; } .term-body .dim { color: var(--on-dark-dim); } .term-body .hl { color: var(--d2); }
.cursor { display: inline-block; width: 8px; height: 17px; margin-left: 2px; vertical-align: -3px; background: var(--d1); animation: pulse 1s steps(2) infinite; }
.usage { margin-top: 14px; padding: 14px 16px; border-radius: 14px; background: #ffffff0d; border: 1px solid #ffffff14; }
.usage-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--on-dark-muted); margin-bottom: 8px; }
.usage-bar { height: 8px; border-radius: 999px; background: #ffffff14; overflow: hidden; }
.usage-bar b { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--g1), var(--g2), var(--d2)); box-shadow: 0 0 18px color-mix(in srgb, var(--g2) 67%, transparent); transition: width 2.4s var(--ease); }
.float-chip { position: absolute; z-index: 2; display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 16px; background: var(--glass-strong); border: 1px solid #ffffffcc; box-shadow: var(--shadow-lift); backdrop-filter: blur(14px); font-size: 13px; color: var(--muted); animation: float 6s ease-in-out infinite; }
.float-chip strong { display: block; color: var(--ink); font-size: 15px; line-height: 1.2; }
.float-chip .ic { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: var(--tint); color: var(--primary); flex: none; }
.chip-a { left: -34px; bottom: 54px; }
.chip-b { right: -18px; top: -22px; animation-delay: -3s; }
.chip-b .ic { background: var(--brand-gradient); color: #fff; }

/* ---------- 区块通用 ---------- */
.section { padding: 96px 0; position: relative; }
.section-head { text-align: center; max-width: 660px; margin: 0 auto 52px; }
.section-head .kicker { font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--primary); text-transform: uppercase; }
.section-head h2 { margin: 10px 0 12px; font-size: clamp(30px, 3.6vw, 44px); line-height: 1.15; letter-spacing: -.025em; color: var(--ink); }
.section-head p { margin: 0; color: var(--muted); font-size: 17px; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 价格 ---------- */
.seg { position: relative; display: inline-flex; padding: 5px; border-radius: 999px; background: var(--glass-strong); border: 1px solid var(--line); box-shadow: var(--shadow); }
.seg button { position: relative; z-index: 1; height: 40px; padding: 0 22px; border: 0; background: none; border-radius: 999px; font-weight: 600; font-size: 14.5px; color: var(--muted); transition: color .3s; display: inline-flex; align-items: center; gap: 6px; }
.seg button[aria-pressed="true"] { color: #fff; }
.seg button em { font-style: normal; font-size: 11px; padding: 1px 7px; border-radius: 999px; background: color-mix(in srgb, var(--g2) 12%, transparent); color: var(--hot); transition: background .3s, color .3s; }
.seg button[aria-pressed="true"] em { background: #ffffff33; color: #fff; }
.seg .thumb { position: absolute; top: 5px; bottom: 5px; border-radius: 999px; background: var(--brand-gradient); box-shadow: 0 6px 18px -6px color-mix(in srgb, var(--primary) 67%, transparent); transition: left .45s var(--ease), width .45s var(--ease); }
.pricing-switch { display: flex; justify-content: center; margin-bottom: 44px; }
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; align-items: stretch; }
.plan-card { position: relative; display: flex; min-width: 0; }
.plan-card > .plan { flex: 1; min-width: 0; }
.plan { position: relative; display: flex; flex-direction: column; padding: 32px 28px 28px; border-radius: var(--radius-lg); background: var(--glass-strong); border: 1px solid var(--line); box-shadow: var(--shadow); backdrop-filter: blur(16px); transition: transform .45s var(--ease), box-shadow .45s var(--ease); overflow: hidden; }
.plan::after { content: ""; position: absolute; inset: 0; background: radial-gradient(320px 220px at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--g1) 8%, transparent), transparent 70%); opacity: 0; transition: opacity .3s; pointer-events: none; }
.plan:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.plan:hover::after { opacity: 1; }
.plan.featured { background: var(--panel); color: var(--on-dark); border-color: transparent; box-shadow: 0 40px 80px -30px var(--panel-shadow); transform: translateY(-14px); }
.plan.featured:hover { transform: translateY(-20px); }
.plan.featured::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1.5px; background: conic-gradient(from var(--angle), var(--d3), var(--g2), var(--g3), var(--g1), var(--d3)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; animation: spin 5s linear infinite; pointer-events: none; }
.plan.featured::after { background: radial-gradient(320px 220px at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--g2) 20%, transparent), transparent 70%); opacity: 1; }
.plan-top { display: flex; align-items: center; justify-content: space-between; }
.plan-name { font-size: 15px; font-weight: 700; color: var(--muted); display: flex; align-items: center; gap: 10px; }
.plan-mult { font-size: 13px; font-weight: 800; font-family: var(--mono); padding: 3px 10px; border-radius: 8px; background: var(--tint); color: var(--primary-dark); }
.featured .plan-name { color: var(--on-dark); }
.featured .plan-mult { background: var(--brand-gradient); color: #fff; }
.ribbon { font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; background: linear-gradient(90deg, var(--d2), var(--d1)); color: var(--ribbon-ink); }
.plan-price { margin: 22px 0 4px; display: flex; align-items: baseline; gap: 6px; color: var(--ink); }
.featured .plan-price { color: #fff; }
.plan-price .cur { font-size: 22px; font-weight: 700; }
.plan-price .num { font-size: 54px; font-weight: 800; letter-spacing: -.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.plan-price .per { color: var(--muted); font-size: 14px; }
.featured .plan-price .per { color: var(--on-dark-muted); }
.plan-sub { min-height: 22px; font-size: 13px; color: var(--muted); }
.plan-sub s { color: var(--faint); margin-right: 6px; }
.plan-sub b { color: var(--hot); font-weight: 600; }
.featured .plan-sub { color: var(--on-dark-muted); }
.featured .plan-sub b { color: var(--d2); }
.plan-pitch { margin: 18px 0 22px; padding-bottom: 22px; border-bottom: 1px dashed var(--line-strong); font-size: 15px; color: var(--text); }
.featured .plan-pitch { border-color: #ffffff1f; color: var(--on-dark-ink); }
.plan ul { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 12px; font-size: 14.5px; flex: 1; }
.plan li { display: flex; gap: 10px; align-items: flex-start; }
.plan li svg { flex: none; margin-top: 3px; color: var(--primary); }
.featured li svg { color: var(--d2); }
.featured .btn-ghost { background: #ffffff14; border-color: #ffffff26; color: #fff; }
/* 发牌动效（landing.js dealCards）：卡片是正反两面的牌，没启用时不显示背面 */
.plan-back { display: none; }
.plans.deal { perspective: 2400px; }
.plans.deal .plan-card { transform-style: preserve-3d; pointer-events: none; will-change: transform; }
.plans.deal.dealt .plan-card { pointer-events: auto; will-change: auto; animation: plan-float 6s ease-in-out infinite; }
.plans.deal.dealt .plan-card:nth-child(2) { animation-delay: -1.5s; }
.plans.deal.dealt .plan-card:nth-child(3) { animation-delay: -3s; }
.plans.deal.dealt .plan-card:nth-child(4) { animation-delay: -4.5s; }
.plans.deal.dealt:hover .plan-card { animation-play-state: paused; }
@keyframes plan-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -6px; } }
.plans.deal .plan { -webkit-backface-visibility: hidden; backface-visibility: hidden; }
.plans.deal .plan-back { position: absolute; inset: 0; display: grid; grid-template-rows: auto 1fr auto; padding: 18px 20px; border-radius: var(--radius-lg); overflow: hidden; color: var(--on-dark); transform: rotateY(180deg); -webkit-backface-visibility: hidden; backface-visibility: hidden;
  background:
    radial-gradient(120% 70% at 50% 50%, color-mix(in srgb, var(--g1) 30%, transparent), transparent 70%),
    repeating-linear-gradient(45deg, #ffffff0d 0 1px, transparent 1px 14px),
    repeating-linear-gradient(-45deg, #ffffff0d 0 1px, transparent 1px 14px),
    var(--panel);
  box-shadow: 0 30px 60px -28px var(--panel-shadow); }
.plans.deal .plan-back::before { content: ""; position: absolute; inset: 10px; border-radius: calc(var(--radius-lg) - 8px); border: 1px solid #ffffff2e; pointer-events: none; }
.plans.deal .plan-card.hot .plan-back { transform: rotateY(180deg) translateY(-14px); }
.pb-corner { position: relative; font-family: var(--mono); font-size: 13px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--d1); }
.pb-flip { justify-self: end; transform: rotate(180deg); }
.pb-emblem { position: relative; align-self: center; justify-self: center; display: grid; justify-items: center; gap: 16px; }
.pb-logo { width: 84px; height: 84px; border-radius: 26px; display: grid; place-items: center; background: #fffffff2; box-shadow: 0 0 0 10px #ffffff0f, 0 0 0 22px #ffffff08, 0 20px 50px -10px color-mix(in srgb, var(--g2) 60%, transparent); }
.pb-logo .p-logo { width: 44px; height: 44px; border-radius: 10px; }
.pb-logo .logo-mark { width: 100%; height: 100%; border-radius: inherit; }
.pb-emblem b { font-size: 15px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--on-dark-ink); }
.price-note { text-align: center; margin-top: 28px; color: var(--faint); font-size: 13px; }

/* ---------- 对比表 ---------- */
.compare { overflow-x: auto; border-radius: var(--radius-lg); }
.compare table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 14.5px; }
.compare th, .compare td { padding: 18px 22px; text-align: left; border-bottom: 1px solid var(--line); }
.compare thead th { font-size: 13px; color: var(--muted); font-weight: 600; background: var(--soft); }
.compare thead th.hot { color: var(--primary); }
.compare td:first-child { color: var(--muted); }
.compare td.hot { background: var(--tint); font-weight: 600; color: var(--ink); }
.compare tr:last-child td { border-bottom: 0; }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; position: relative; }
.steps::before { content: ""; position: absolute; top: 44px; left: 16%; right: 16%; height: 2px; background: linear-gradient(90deg, transparent, var(--line-strong) 15%, var(--line-strong) 85%, transparent); }
.step { position: relative; padding: 28px; text-align: center; }
.step .num { width: 56px; height: 56px; margin: 16px auto 20px; border-radius: 18px; display: grid; place-items: center; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); color: var(--primary); position: relative; }
.step .num::after { counter-increment: step; content: counter(step); position: absolute; top: -8px; right: -8px; width: 22px; height: 22px; border-radius: 50%; background: var(--brand-gradient); color: #fff; font-size: 12px; font-weight: 700; display: grid; place-items: center; }
.step h3 { margin: 0 0 8px; font-size: 18px; color: var(--ink); }
.step p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ---------- 推广横幅 ---------- */
.promo { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center; padding: 52px 56px; border-radius: 32px; background: var(--hero-dark); color: var(--on-dark); box-shadow: 0 40px 80px -30px var(--panel-shadow); }
.promo::before { content: ""; position: absolute; width: 520px; height: 520px; right: -140px; top: -220px; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--g2) 33%, transparent), transparent 65%); }
.promo::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(#ffffff14 1px, transparent 1px); background-size: 20px 20px; mask-image: linear-gradient(90deg, transparent, #000); }
.promo > * { position: relative; z-index: 1; }
.promo h2 { margin: 0 0 12px; color: #fff; font-size: clamp(26px, 3vw, 38px); letter-spacing: -.02em; line-height: 1.2; }
.promo p { margin: 0 0 26px; font-size: 16px; }
.promo-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.promo-stat { padding: 20px 16px; border-radius: 18px; background: #ffffff0f; border: 1px solid #ffffff1a; text-align: center; backdrop-filter: blur(8px); }
.promo-stat b { display: block; font-size: 30px; color: #fff; letter-spacing: -.02em; }
.promo-stat span { font-size: 12.5px; color: var(--on-dark-muted); }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { padding: 0 24px; border-radius: 18px; background: var(--glass-strong); border: 1px solid var(--line); transition: box-shadow .3s, border-color .3s; }
.faq details[open] { box-shadow: var(--shadow-lift); border-color: var(--line-strong); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 0; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-weight: 600; color: var(--ink); font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .plus { flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--soft); display: grid; place-items: center; color: var(--primary); transition: transform .35s var(--ease), background .3s; }
.faq details[open] .plus { transform: rotate(45deg); background: var(--tint); }
.faq details p { margin: 0 0 20px; color: var(--muted); font-size: 15px; }

/* ---------- 页脚 ---------- */
.foot { padding: 56px 0 40px; border-top: 1px solid var(--line); margin-top: 40px; }
.foot .wrap { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.foot p { margin: 10px 0 0; color: var(--faint); font-size: 13px; max-width: 520px; }
.foot nav { display: flex; gap: 22px; flex-wrap: wrap; font-size: 14px; }
.foot nav a { color: var(--muted); }
.demo-bar { position: fixed; left: 16px; bottom: 16px; z-index: 40; display: flex; align-items: center; gap: 10px; padding: 8px 8px 8px 14px; border-radius: 999px; background: var(--ink); color: var(--on-dark); font-size: 12.5px; box-shadow: 0 12px 30px -10px color-mix(in srgb, var(--ink) 67%, transparent); }
.demo-bar button { height: 28px; padding: 0 12px; border-radius: 999px; border: 0; background: #ffffff1a; color: #fff; font-size: 12px; }

/* ---------- 支付结果 ---------- */
.result { max-width: 560px; margin: 48px auto 96px; padding: 44px 40px; text-align: center; }
.result h1 { margin: 22px 0 8px; font-size: 28px; color: var(--ink); letter-spacing: -.02em; }
.result p { margin: 0 auto; color: var(--muted); max-width: 400px; }
.result-ring { width: 96px; height: 96px; margin: 0 auto; border-radius: 50%; display: grid; place-items: center; position: relative; }
.result-ring.ok { background: radial-gradient(circle, #ffffff 55%, transparent 56%), conic-gradient(var(--g1), var(--g2), var(--g1)); box-shadow: 0 0 0 10px color-mix(in srgb, var(--primary) 7%, transparent), var(--shadow-glow); }
.result-ring.ok svg { color: var(--primary); }
.result-ring.ok path { stroke-dasharray: 40; stroke-dashoffset: 40; animation: draw .6s .25s var(--ease) forwards; }
.result-ring.wait { background: conic-gradient(from var(--angle), transparent 0 60%, var(--g1) 85%, var(--g2)); animation: spin 1.2s linear infinite; -webkit-mask: radial-gradient(circle, transparent 54%, #000 56%); }
.result-ring.bad { background: #fbe5e9; color: var(--danger); }
.result-meta { margin: 28px 0; padding: 18px 20px; border-radius: 16px; background: var(--soft); display: grid; gap: 10px; text-align: left; font-size: 14px; }
.result-meta div { display: flex; justify-content: space-between; gap: 16px; }
.result-meta span:first-child { color: var(--muted); }
.result-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.pay-sim { margin-top: 28px; padding: 18px; border-radius: 16px; border: 1.5px dashed var(--line-strong); }
.pay-sim p { font-size: 13px; margin-bottom: 14px; }
.burst { position: fixed; inset: 0; pointer-events: none; z-index: 90; }
.burst i { position: absolute; width: 8px; height: 14px; border-radius: 2px; top: 38%; left: 50%; animation: confetti 1.6s var(--ease) forwards; }

@keyframes flow { to { background-position: 200% center; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes confetti { 0% { opacity: 1; transform: translate(0, 0) rotate(0); } 100% { opacity: 0; transform: translate(var(--x), var(--y)) rotate(var(--r)); } }

@media (max-width: 1080px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 64px; }
  .stage { max-width: 600px; width: 100%; margin: 0 auto; }
}
@media (max-width: 900px) {
  .plans { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .plan.featured, .plan.featured:hover { transform: none; }
  .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }
  .promo { grid-template-columns: 1fr; padding: 36px 28px; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .hero { padding: 32px 0 56px; }
  .section { padding: 64px 0; }
  .chip-a { left: 8px; bottom: -28px; }
  .chip-b { right: 8px; }
  .term-body { font-size: 12px; min-height: 280px; padding: 18px; }
  .terminal { transform: none; }
  .promo-stats { grid-template-columns: 1fr 1fr 1fr; }
  .promo-stat b { font-size: 22px; }
  .result { padding: 32px 22px; }
  .seg button { padding: 0 14px; }
  .nav .wrap { gap: 12px; }
  .logo small { display: none; }
}

/* 网格子项默认 min-width:auto 会被不换行的按钮、宽表格撑开，统一收紧 */
.hero .wrap > * { min-width: 0; }
.btn-block { white-space: normal; text-align: center; line-height: 1.25; }
@media (max-width: 640px) {
  .demo-bar { left: auto; right: 12px; bottom: 12px; padding: 6px; }
  .demo-bar span { display: none; }
}

/* ==========================================================================
   以下为改版新增组件，颜色全部取自主题令牌
   ========================================================================== */
.term-caption { margin: 14px 0 0; text-align: center; font-size: 12px; color: var(--faint); }
.price-note a { display: inline-flex; align-items: center; gap: 4px; margin-left: 6px; font-weight: 600; }

/* ---------- 选购页 ---------- */
.buy-page { padding-bottom: 96px; }
.buy-head { padding: 36px 0 28px; }
.buy-head h1 { margin: 10px 0 6px; font-size: clamp(30px, 3.6vw, 40px); letter-spacing: -.025em; color: var(--ink); }
.buy-head p { margin: 0; color: var(--muted); font-size: 16px; }
.buy-grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 28px; align-items: start; }
.config { display: grid; gap: 18px; }
.opt-group { margin: 0; padding: 26px; border-radius: var(--radius-lg); background: var(--glass-strong); border: 1px solid var(--line); box-shadow: var(--shadow); backdrop-filter: blur(14px); min-width: 0; transition: opacity .3s; }
.opt-group.dim:not(#g-plan) { opacity: .5; }
.opt-group legend { float: left; width: 100%; display: flex; align-items: center; gap: 12px; padding: 0; margin-bottom: 18px; }
.opt-group legend + * { clear: both; }
.gstep { width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; flex: none; background: var(--tint); color: var(--primary); font-size: 13px; font-weight: 700; }
.opt-group legend b { display: block; font-size: 17px; color: var(--ink); line-height: 1.3; }
.opt-group legend small { display: block; font-size: 13px; color: var(--muted); }
.opts { display: grid; gap: 12px; }
.opts.plans, .opts.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.opt { position: relative; display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; grid-template-areas: "check body price"; align-items: center; gap: 14px; min-height: 84px; padding: 16px 18px; border-radius: 16px; border: 1.5px solid var(--line); background: #fff; cursor: pointer; transition: border-color .2s, box-shadow .25s, transform .25s var(--ease); }
.opt input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.opt:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.opt:has(input:checked) { border-color: var(--primary); box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 10%, transparent), var(--shadow); }
.opt:has(input:focus-visible) { outline: 2px solid var(--primary); outline-offset: 3px; }
.opt-body { grid-area: body; display: grid; gap: 2px; min-width: 0; }
.opt-main b { color: var(--ink); font-size: 16px; }
.plan-opt .opt-main b { font-size: 19px; letter-spacing: -.01em; }
.opt-sub { font-size: 13px; color: var(--muted); line-height: 1.45; }
.opt-price { grid-area: price; text-align: right; color: var(--ink); font-weight: 700; font-size: 16px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.opt-price small { display: block; font-size: 12px; font-weight: 400; color: var(--muted); }
.plan-opt .opt-price small { display: inline; margin-left: 2px; }
.opt-price .free { color: var(--muted); font-weight: 500; font-size: 14px; }
.opt-check { grid-area: check; width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line-strong); display: grid; place-items: center; color: transparent; transition: background .2s, border-color .2s, color .2s, transform .3s var(--ease); }
.opt:has(input:checked) .opt-check { background: var(--brand-gradient); border-color: transparent; color: #fff; transform: scale(1.06); }
.opt-alt { position: relative; display: inline-flex; margin-top: 14px; }
.opt-alt input, .seg-tabs input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.opt-alt span { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 999px; border: 1.5px dashed var(--line-strong); font-size: 14px; color: var(--muted); cursor: pointer; transition: all .2s; }
.opt-alt:hover span { color: var(--ink); }
.opt-alt:has(input:checked) span { border-style: solid; border-color: var(--primary); background: var(--tint); color: var(--primary-dark); font-weight: 600; }
.opt-alt input:focus-visible + span, .seg-tabs input:focus-visible + span { outline: 2px solid var(--primary); outline-offset: 2px; }
.own { margin-top: 18px; padding: 20px; border-radius: 16px; background: var(--soft); border: 1px solid var(--line); animation: rise .35s var(--ease); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.safe { display: flex; align-items: center; gap: 6px; margin: 14px 0 0; font-size: 13px; color: var(--primary-dark); }
.cfg-foot { display: flex; align-items: flex-start; gap: 6px; margin: 2px 4px 0; font-size: 13px; color: var(--muted); }
.cfg-foot svg { flex: none; margin-top: 3px; }

.buy-sum { position: sticky; top: 88px; }
.sum-card { position: relative; overflow: hidden; padding: 26px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-lift); }
.sum-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 110px; background: radial-gradient(260px 110px at 20% 0, var(--wash-1), transparent 70%), radial-gradient(220px 110px at 90% 0, var(--wash-2), transparent 70%); pointer-events: none; }
.sum-card > * { position: relative; }
.sum-kicker { display: flex; justify-content: space-between; align-items: center; margin: 0; font-size: 13px; color: var(--muted); }
.sku { font: 600 11.5px var(--mono); padding: 2px 8px; border-radius: 6px; background: var(--tint); color: var(--primary-dark); }
.sum-title { display: block; margin: 6px 0 16px; font-size: 20px; font-weight: 800; color: var(--ink); line-height: 1.32; letter-spacing: -.01em; }
.sum-items { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 9px; }
.sum-items li { display: grid; grid-template-columns: 32px 1fr auto; gap: 12px; align-items: center; animation: rise .35s var(--ease); }
.sum-items b { display: block; font-size: 14.5px; font-weight: 600; color: var(--ink); }
.sum-items small { font-size: 12px; color: var(--muted); }
.sum-p { font-size: 14.5px; color: var(--ink); font-variant-numeric: tabular-nums; }
.sum-ic { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; background: var(--tint); color: var(--primary); flex: none; }
.sum-calc { margin: 0; padding: 12px 0; border-top: 1px dashed var(--line-strong); display: grid; gap: 6px; }
.sum-calc div { display: flex; justify-content: space-between; }
.sum-calc dt { font-size: 14px; color: var(--muted); }
.sum-calc dd { margin: 0; font-size: 14.5px; color: var(--ink); font-variant-numeric: tabular-nums; }
.sum-calc .save dt, .sum-calc .save dd, .save { color: var(--hot) !important; font-weight: 600; }
.buy-sum .sum-total { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 0; border-top: 1px dashed var(--line-strong); }
.buy-sum .sum-total span { font-size: 15px; font-weight: 600; color: var(--ink); }
.buy-sum .sum-total b { font-size: 36px; font-weight: 800; letter-spacing: -.03em; background: var(--text-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.saved { display: flex; align-items: center; gap: 6px; margin: 0 0 14px; padding: 9px 12px; border-radius: 12px; background: linear-gradient(100deg, var(--wash-1), var(--wash-2)); color: var(--primary-dark); font-size: 13.5px; font-weight: 600; }
.saved.pop { animation: badge .55s var(--ease); }
.agree-line { margin: 12px 0 0; text-align: center; font-size: 12.5px; color: var(--muted); }
.sum-terms { list-style: none; margin: 14px 0 0; padding: 14px 0 0; border-top: 1px solid var(--line); display: grid; gap: 6px; }
.sum-terms:empty { display: none; }
.sum-terms li { position: relative; padding-left: 14px; font-size: 12px; color: var(--muted); line-height: 1.55; }
.sum-terms li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 4px; height: 4px; border-radius: 50%; background: var(--primary-soft); }
.empty-sum .muted { margin: -8px 0 20px; font-size: 14px; }

/* ---------- 商品详情 ---------- */
.detail-sec { margin-top: 64px; scroll-margin-top: 84px; }
.detail-tabs { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding-bottom: 14px; margin-bottom: 24px; border-bottom: 1px solid var(--line-strong); }
.detail-tabs h2 { position: relative; margin: 0; font-size: 22px; color: var(--ink); }
.detail-tabs h2::after { content: ""; position: absolute; left: 0; right: 0; bottom: -15px; height: 3px; border-radius: 3px; background: var(--brand-gradient); }
.detail-tabs a { font-size: 14px; }
.detail-note { display: flex; align-items: center; justify-content: center; gap: 6px; margin: 0 auto 16px; max-width: 760px; font-size: 13px; color: var(--muted); }
/* 详情图是内容，保持原图风格，不套站点配色 */
.detail-imgs { max-width: 760px; margin: 0 auto; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lift); background: #111; }
.detail-imgs img { display: block; width: 100%; height: auto; }
.dt-hero { padding: 48px 32px; border-radius: var(--radius-lg); background: var(--hero-dark); color: var(--on-dark); text-align: center; box-shadow: 0 40px 80px -30px var(--panel-shadow); }
.dt-hero h3 { margin: 0 0 10px; font-size: clamp(32px, 4vw, 48px); color: #fff; letter-spacing: -.03em; }
.dt-hero p { margin: 0; font-size: 17px; }
.dt-block { margin-top: 20px; padding: 30px; border-radius: var(--radius-lg); background: var(--glass-strong); border: 1px solid var(--line); box-shadow: var(--shadow); }
.dt-block h3 { margin: 0 0 20px; font-size: 22px; color: var(--ink); letter-spacing: -.02em; }
.dt-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.dt-grid > div { padding: 20px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
.dt-grid b { display: block; margin: 12px 0 4px; color: var(--ink); }
.dt-grid p { margin: 0; font-size: 13.5px; color: var(--muted); }
.tile-ic { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--tint); color: var(--primary); }
.dt-flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: f; }
.dt-flow li { counter-increment: f; padding: 18px; border-radius: 16px; background: var(--soft); font-size: 13.5px; color: var(--muted); }
.dt-flow li::before { content: counter(f); display: grid; place-items: center; width: 24px; height: 24px; margin-bottom: 10px; border-radius: 8px; background: var(--brand-gradient); color: #fff; font-size: 12px; font-weight: 700; }
.dt-flow b { display: block; color: var(--ink); font-size: 15px; }
.dt-block.refund { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.formula { margin: 0; font: 600 15px var(--mono); color: var(--primary-dark); padding: 14px 16px; border-radius: 12px; background: var(--tint); }
.rv-head { margin: 0; font-size: 13.5px; color: var(--muted); }
.bar { display: flex; height: 14px; margin: 14px 0 16px; border-radius: 999px; overflow: hidden; background: var(--soft); }
.bar span { height: 100%; }
.b-back { background: var(--brand-gradient); }
.b-fee { background: #f2b46b; }
.b-used { background: #ef8c8c; }
.refund dl { margin: 0; display: grid; gap: 4px; }
.refund dl div { display: flex; justify-content: space-between; font-size: 14px; }
.refund dt { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.refund dt i { width: 10px; height: 10px; border-radius: 3px; }
.refund dd { margin: 0; color: var(--ink); font: 600 14px var(--mono); }

/* ---------- 付款页：确认与交付进度 ---------- */
.result { max-width: 620px; }
.result > p { max-width: 460px; }
.progress { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; counter-reset: p; }
.progress.center { justify-content: center; margin-bottom: 26px; }
.progress li { counter-increment: p; display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px 5px 5px; border-radius: 999px; background: var(--soft); font-size: 13px; color: var(--muted); }
.progress li::before { content: counter(p); width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: #fff; font-size: 11.5px; font-weight: 700; }
.progress li.done { background: var(--tint); color: var(--primary-dark); }
.progress li.done::before { content: "✓"; background: var(--primary); color: #fff; }
.progress li.now { background: var(--brand-gradient); color: #fff; }
.progress li.now::before { color: var(--primary); }
.pay-title { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 26px 0 10px; text-align: left; }
.pay-title b { font-size: 17px; color: var(--ink); }
.pay-title .btn-text { display: inline-flex; align-items: center; gap: 2px; font-size: 14px; }
.pay-items { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; text-align: left; }
.pay-items li { display: grid; grid-template-columns: 32px 1fr auto; gap: 12px; align-items: center; padding: 10px 14px; border-radius: 14px; background: var(--soft); }
.pay-items b { display: block; font-size: 14.5px; color: var(--ink); }
.pay-items small { font-size: 12px; color: var(--muted); }
.pay-items li > span:last-child { font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.result-meta { margin: 14px 0 20px; }
.result-meta dt { color: var(--muted); }
.result-meta dd { margin: 0; color: var(--ink); text-align: right; }
.result-meta .total { padding-top: 10px; border-top: 1px dashed var(--line-strong); align-items: baseline; }
.result-meta .total b { font-size: 24px; background: var(--text-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pay-sim { margin-top: 4px; }
.pay-sim p { display: flex; gap: 8px; color: var(--muted); text-align: left; max-width: none; }
.pay-sim p svg { flex: none; margin-top: 3px; }
.track-wrap { margin: 22px 0 6px; }
.track { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; text-align: left; }
.track li { position: relative; overflow: hidden; display: grid; grid-template-columns: 36px 1fr auto; gap: 12px; align-items: center; padding: 14px 16px; border-radius: 14px; background: var(--soft); }
.t-ic { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: #fff; border: 1px solid var(--line-strong); color: var(--muted); transition: all .4s var(--ease); }
.t-processing .t-ic { color: var(--info); border-color: #b9cbec; }
.t-delivered .t-ic { background: var(--brand-gradient); border-color: transparent; color: #fff; animation: pop .45s var(--ease); }
.t-body b { display: block; font-size: 15px; color: var(--ink); }
.t-body small { font-size: 12.5px; color: var(--muted); }
.t-bar { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; }
.t-bar i { display: block; height: 100%; width: 0; background: var(--brand-gradient); transition: width .9s var(--ease); }
.t-processing .t-bar i { width: 62%; background: linear-gradient(90deg, var(--d1), var(--primary), var(--d1)); background-size: 200% 100%; animation: shimmer 1.4s linear infinite; }
.t-delivered .t-bar i { width: 100%; }
.track-wrap .fine { text-align: center; }

/* ---------- 推广合作 ---------- */
.p-hero { padding: 72px 0 40px; text-align: center; }
.p-hero h1 { margin: 22px 0 18px; font-size: clamp(38px, 5.4vw, 66px); line-height: 1.08; letter-spacing: -.035em; color: var(--ink); font-weight: 800; }
.p-hero .lead { margin: 0 auto; max-width: 620px; font-size: 18px; color: var(--muted); }
.p-hero .hero-cta { justify-content: center; align-items: center; gap: 22px; margin-top: 30px; }
.tier-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; max-width: 920px; margin: 56px auto 0; border-radius: 26px; overflow: hidden; background: #ffffff1a; box-shadow: 0 40px 80px -30px var(--panel-shadow); }
.tier-cell { padding: 28px 16px; text-align: center; background: var(--panel); }
.tier-cell span { display: block; font-size: 13.5px; color: var(--on-dark-muted); }
.tier-cell b { display: block; margin-top: 4px; font-size: clamp(34px, 4.4vw, 54px); font-weight: 800; letter-spacing: -.035em; color: #fff; font-variant-numeric: tabular-nums; }
.p-hero .tier-cell:last-child b { background: linear-gradient(90deg, var(--d2), var(--d1)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tier-note { margin: 18px 0 0; text-align: center; font-size: 14px; color: var(--muted); }
.p-calc { padding-top: 72px; text-align: center; }
.p-calc .ex-grid, .p-calc .calc-box { text-align: left; }
.seg-tabs { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 5px; border-radius: 999px; background: var(--glass-strong); border: 1px solid var(--line); box-shadow: var(--shadow); }
.seg-tabs label { position: relative; }
.seg-tabs span { display: block; padding: 9px 18px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--muted); transition: background .3s, color .3s; }
.seg-tabs input:checked + span { background: var(--brand-gradient); color: #fff; box-shadow: 0 6px 18px -6px color-mix(in srgb, var(--primary) 67%, transparent); }
.ex-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 28px 0 20px; }
.ex-card { display: flex; flex-direction: column; gap: 4px; padding: 22px; border-radius: 22px; background: var(--glass-strong); border: 1px solid var(--line); box-shadow: var(--shadow); }
.ex-name { min-height: 44px; font-size: 14.5px; font-weight: 600; color: var(--ink); line-height: 1.5; }
.ex-paid { font-size: 13px; color: var(--muted); }
.ex-c { margin-top: 8px; font-size: 32px; font-weight: 800; letter-spacing: -.02em; background: var(--text-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.ex-foot { display: inline-flex; align-items: center; gap: 4px; font-size: 12.5px; color: var(--muted); }
.calc-box { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 28px; padding: 28px; border-radius: var(--radius-lg); background: var(--glass-strong); border: 1px solid var(--line); box-shadow: var(--shadow); }
.calc-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.calc-table th { text-align: left; font-size: 12.5px; font-weight: 600; color: var(--muted); padding: 0 0 8px; border-bottom: 1px solid var(--line); }
.calc-table td { padding: 11px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.calc-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.calc-table .capped { color: var(--warning); font-weight: 600; }
.calc-math { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 18px; }
.calc-math div { padding: 14px; border-radius: 14px; background: var(--soft); }
.calc-math span { display: block; font-size: 12.5px; color: var(--muted); }
.calc-math b { font-size: 18px; color: var(--ink); font-variant-numeric: tabular-nums; }
.calc-math .hl { background: var(--brand-gradient); }
.calc-math .hl span { color: #ffffffcc; }
.calc-math .hl b { font-size: 22px; color: #fff; }
.p-rules { padding-top: 24px; }
.rule-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.rule-card { padding: 24px; }
.rule-card h3 { margin: 14px 0 6px; font-size: 17px; color: var(--ink); }
.rule-card p { margin: 0; font-size: 14px; color: var(--muted); }
.pending-box { margin-top: 18px; padding: 20px 24px; border-radius: 20px; background: #fdf6ea; border: 1px solid #f1dfbd; color: #7a4f0e; }
.pending-box b { display: flex; align-items: center; gap: 8px; }
.pending-box ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 0; padding: 0; list-style: none; }
.pending-box li { padding: 4px 12px; border-radius: 999px; background: #ffffffb0; font-size: 13px; }
.pending-box .fine { color: #8a6526; }
.rule-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.rule-list li { display: flex; gap: 10px; font-size: 14.5px; line-height: 1.6; color: var(--text); }
.rule-list svg { flex: none; margin-top: 5px; color: var(--primary); }

@media (max-width: 1080px) {
  .plans { grid-template-columns: repeat(2, 1fr); }
  .buy-grid { grid-template-columns: minmax(0, 1fr) 330px; gap: 22px; }
  .opts.plans { grid-template-columns: 1fr; }
  .ex-grid, .rule-grid, .dt-grid, .dt-flow { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .buy-grid, .calc-box, .dt-block.refund { grid-template-columns: 1fr; }
  .buy-sum { position: static; }
  .calc-math { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .opts.two, .grid2, .ex-grid, .rule-grid, .dt-grid, .dt-flow { grid-template-columns: 1fr; }
  .tier-strip { grid-template-columns: repeat(2, 1fr); }
  .opt-group, .sum-card, .dt-block { padding: 20px; }
}
.crumbs { display: flex; gap: 8px; align-items: center; font-size: 13.5px; color: var(--muted); }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--primary); }

/* 首页详情图：保持原图风格，居中一列无缝拼接 */
.lp-shots { padding: 24px 0 56px; }
.lp-col { width: min(760px, 100% - 32px); margin: 0 auto; border-radius: 28px; overflow: hidden; background: #111; box-shadow: 0 40px 90px -36px color-mix(in srgb, var(--shade) 60%, transparent); }
.lp-col img { display: block; width: 100%; height: auto; }
#renewal-origin[hidden], #original-order-field[hidden] { display: none; }
@media (max-width: 640px) {
  html[data-theme="silver"] .lp-col { width: 100%; border-radius: 0; }
}
.lp-note { display: flex; align-items: center; justify-content: center; gap: 6px; margin: 0; padding: 12px 16px; background: #fff; color: var(--muted); font-size: 13px; }
#pricing { scroll-margin-top: 72px; }

/* ---------- 客服 ---------- */
.support-fab { position: fixed; right: 20px; bottom: 20px; z-index: 45; display: inline-flex; align-items: center; gap: 8px; height: 48px; padding: 0 18px 0 16px; border: 0; border-radius: 999px; background: var(--brand-gradient); color: #fff; font-weight: 600; font-size: 14.5px; box-shadow: var(--shadow-glow); transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.support-fab:hover { transform: translateY(-2px); }
.support { text-align: center; }
.support-ic { width: 48px; height: 48px; margin: 0 auto; border-radius: 16px; display: grid; place-items: center; background: var(--brand-gradient); color: #fff; }
.support h2 { margin-top: 14px; }
.support-ways { display: grid; gap: 10px; margin-top: 18px; }
.support-ways:empty { display: none; }
.support-or { margin: 16px 0 0; color: var(--faint); font-size: 12.5px; }
.support-qr { position: relative; width: 216px; margin: 20px auto 18px; padding: 8px; border-radius: 20px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-lift); }
.support-qr img { display: block; width: 200px; height: 200px; image-rendering: pixelated; }
.support-tag { position: absolute; left: 50%; bottom: -11px; transform: translateX(-50%); white-space: nowrap; padding: 2px 10px; border-radius: 999px; background: #fdf0dc; color: var(--warning); font-size: 11.5px; font-weight: 600; }
.support .rule-list { text-align: left; font-size: 13.5px; margin-top: 18px; }
.ask-line { display: flex; align-items: center; justify-content: center; gap: 6px; width: 100%; margin-top: 8px; padding: 0; border: 0; background: none; color: var(--primary); font-size: 13px; font-weight: 600; }
.support-panel { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.support-panel h2 { margin-bottom: 4px; }
.support-panel p { margin: 0; font-size: 14px; }
.lead .slogan { display: block; margin-bottom: 6px; font-size: 1.25em; color: var(--ink); letter-spacing: -.01em; }
.price-note .btn-text { font-size: 13px; padding: 0 2px; }
@media (max-width: 640px) {
  .support-fab span { display: none; }
  .support-fab { width: 48px; padding: 0; justify-content: center; right: 14px; bottom: 14px; }
}

/* ---------- 窄屏修正 ---------- */
.mbar { display: none; }
@media (max-width: 900px) {
  /* 选购页吸底栏：选项和价格同屏可见 */
  body[data-page="buy"] .mbar { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 46; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: #ffffffeb; backdrop-filter: blur(16px); border-top: 1px solid var(--line); box-shadow: 0 -10px 30px -16px color-mix(in srgb, var(--shade) 33%, transparent); }
  .mbar div { min-width: 0; }
  .mbar small { display: block; font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .mbar b { font-size: 22px; color: var(--ink); font-variant-numeric: tabular-nums; }
  .mbar em { margin-left: 8px; font-style: normal; font-size: 12px; font-weight: 600; color: var(--hot); }
  .mbar .btn { flex: none; }
  body[data-page="buy"] .support-fab { bottom: 84px; }
  body[data-page="buy"] .demo-bar { bottom: 84px; }
  body[data-page="buy"] .buy-page { padding-bottom: 140px; }
}
@media (max-width: 700px) {
  .plans { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .plan.featured, .plan.featured:hover { transform: none; }
}
@media (max-width: 640px) {
  .demo-bar { left: 12px; right: auto; }
}

/* 价格卡数量随产品档位变化：三档时三列 */
.plans[data-n="3"] { grid-template-columns: repeat(3, 1fr); max-width: 1040px; margin-left: auto; margin-right: auto; }
.demo-price { display: inline-block; margin-right: 8px; padding: 1px 8px; border-radius: 999px; background: #fdf0dc; color: var(--warning); font-size: 12px; font-weight: 700; vertical-align: 1px; }
@media (max-width: 900px) {
  .plans[data-n="3"] { grid-template-columns: 1fr; max-width: 460px; }
}
/* 窄屏有产品切换时，顶栏放不下“立即选购”（首屏和吸底栏都有入口），收起它并压缩切换按钮 */
@media (max-width: 640px) {
  .nav-products a { padding: 4px 9px; font-size: 12.5px; }
  .nav .wrap:has(.nav-products) .nav-actions .btn-primary { display: none; }
}

/* 预览产品：顶部提示条与页内提示 */
.preview-bar { position: sticky; top: 68px; z-index: 29; padding: 8px 16px; text-align: center; font-size: 13px; font-weight: 600; color: var(--warning); background: #fdf0dcf2; border-bottom: 1px solid #f3dcb4; }
.preview-note { display: flex; align-items: flex-start; gap: 6px; margin: 10px 0 0; font-size: 13px; color: var(--warning); }
.preview-note.center { justify-content: center; text-align: center; margin: 18px auto 0; }
.preview-note svg { flex: none; margin-top: 3px; }
.nav-products small { margin-left: 4px; padding: 0 5px; border-radius: 6px; background: #fdf0dc; color: var(--warning); font-size: 10.5px; font-weight: 700; }
@media (max-width: 640px) {
  .nav .wrap:has(.nav-products) { height: auto; min-height: 68px; flex-wrap: wrap; padding-block: 10px; gap: 8px; }
  .nav-products { order: 3; width: 100%; justify-content: space-between; }
  .nav-products a { white-space: nowrap; }
  .nav-actions { margin-left: auto; }
}

/* 在线客服加载状态 */
.chat-state { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-radius: 12px; font-size: 13px; text-align: left; }
.chat-state.bad { background: #fdecef; color: var(--danger); }
.chat-state span { flex: 1; }
.btn-ghost .spinner, .chat-state .spinner { border-color: color-mix(in srgb, var(--primary) 20%, transparent); border-top-color: var(--primary); }

/* ---------- 产品标识：官方应用图标原样显示，只加圆角裁切与一圈极淡描边，适配深浅底 ---------- */
::selection { background: color-mix(in srgb, var(--primary) 22%, transparent); }
.p-logo { flex: none; display: block; border-radius: 23%; box-shadow: 0 0 0 1px color-mix(in srgb, var(--ink) 8%, transparent), 0 2px 6px -2px color-mix(in srgb, var(--shade) 30%, transparent); }
.p-badge { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--ink); white-space: nowrap; vertical-align: middle; }
.p-badge .p-logo { width: 20px; height: 20px; }
.p-badge.lg { padding: 5px 14px 5px 5px; border-radius: 999px; background: var(--glass-strong); border: 1px solid var(--line); box-shadow: var(--shadow); font-size: 14px; }
.p-badge.lg .p-logo { width: 26px; height: 26px; }
.p-badge.on-dark { color: #fff; font-size: 13px; }
.p-badge.on-dark .p-logo { width: 24px; height: 24px; box-shadow: 0 0 0 1px #ffffff2e, 0 6px 16px -6px #000c; }
.buy-head .p-badge.lg { margin: 14px 0 2px; }
.result-of { display: flex; justify-content: center; margin: -10px 0 26px; }
.result-of .p-badge { padding: 4px 13px 4px 4px; border-radius: 999px; background: var(--soft); border: 1px solid var(--line); font-size: 13px; }
.policy-of { display: flex; align-items: center; gap: 8px; margin: 0 0 10px; font-size: 13px; color: var(--muted); }

/* ---------- 主题细节：同一套结构，各自的光泽 ---------- */
/* Claude：终端光斑偏琥珀，像台灯下的暖光 */
html[data-theme="clay"] .terminal::after { background: radial-gradient(420px 220px at var(--mx, 70%) var(--my, 0%), #f0a35a33, transparent 70%); }
html[data-theme="clay"] .grad { animation-duration: 10s; }
/* GPT：石墨按钮加细高光边，像金属拉丝；强调只用鼠尾草绿 */
html[data-theme="graphite"] .btn-primary { box-shadow: 0 10px 24px -12px #0f1411aa, inset 0 1px 0 #ffffff26, inset 0 0 0 1px #ffffff12; }
html[data-theme="graphite"] .eyebrow b, html[data-theme="graphite"] .p-badge.lg { letter-spacing: .01em; }
html[data-theme="graphite"] .terminal::after { background: radial-gradient(420px 220px at var(--mx, 70%) var(--my, 0%), #8fbf8626, transparent 70%); }
/* Grok：冷炭终端上的银紫拉丝光泽 */
html[data-theme="silver"] .terminal::after { background: radial-gradient(420px 220px at var(--mx, 70%) var(--my, 0%), #c9c6f02e, transparent 70%), linear-gradient(115deg, transparent 35%, #ffffff0a 50%, transparent 65%); }
html[data-theme="graphite"] .plan.featured .btn-primary { background: linear-gradient(120deg, #f4f8f2, #cfe2c7); color: var(--ink); box-shadow: 0 10px 26px -12px #8fbf8699, inset 0 1px 0 #fff; }

/* ==========================================================================
   首屏右侧 · Claude 保障卡包（stages.js wallet）
   一叠实体套餐卡斜放在桌面上：后卡沿 Z 轴退后、露出卡沿；抽卡时被选中的卡提起再落到最前
   ========================================================================== */
.stage-wallet { display: grid; justify-items: center; align-content: center; min-height: 470px; perspective: 1300px; touch-action: pan-y; user-select: none; }
.wallet { position: relative; width: min(420px, 100%); height: 342px; pointer-events: none; transform-style: preserve-3d; transform: rotateX(var(--wx, 12deg)) rotateY(var(--wy, -9deg)); transition: transform .7s var(--ease); }
.wallet::after { content: ""; position: absolute; left: 6%; right: 6%; bottom: -30px; height: 46px; border-radius: 50%; background: radial-gradient(closest-side, color-mix(in srgb, var(--shade) 36%, transparent), transparent); transform: translateZ(-160px); filter: blur(6px); }
.pass { position: absolute; left: 0; right: 0; bottom: 0; height: 216px; border-radius: 22px; pointer-events: auto; cursor: pointer; overflow: hidden; color: var(--on-dark-ink);
  background: radial-gradient(130% 90% at 0% 0%, color-mix(in srgb, var(--d3) 22%, transparent), transparent 55%), var(--panel);
  box-shadow: inset 0 1px 0 #ffffff33, inset 0 -1px 0 #00000066, inset 0 0 0 1px #ffffff12, 0 3px 0 -1px color-mix(in srgb, var(--shade) 75%, #000), 0 34px 60px -28px color-mix(in srgb, var(--shade) 85%, transparent);
  filter: brightness(calc(1 - var(--k, 0) * .15)); transition: transform .7s var(--ease), filter .5s; transform-origin: 50% 0; }
.pass[data-k="0"] { cursor: default; }
.pass:not([data-k="0"]):hover { filter: brightness(1.02); }
/* 表面：斜向釉光随鼠标滑动 + 极细颗粒，像压纹卡纸 */
.pass::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(320px 200px at var(--mx, 82%) var(--my, 0%), color-mix(in srgb, var(--d2) 24%, transparent), transparent 70%), linear-gradient(115deg, transparent 32%, color-mix(in srgb, var(--d1) 16%, transparent) 47%, transparent 62%); background-size: auto, 260% 100%; background-position: 0 0, var(--sx, 100%) 0; transition: background-position .8s var(--ease); }
.pass::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .13; mix-blend-mode: overlay; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E"); }
.pass > * { position: relative; z-index: 1; }
.pass-peek { position: absolute; left: 20px; right: 20px; top: 9px; display: flex; justify-content: space-between; font-size: 12.5px; font-weight: 600; color: var(--on-dark); opacity: 0; transition: opacity .35s; }
.pass-peek b { color: var(--on-dark-muted); font-weight: 600; font-variant-numeric: tabular-nums; }
.pass:not([data-k="0"]) .pass-peek { opacity: 1; }
.pass-top { display: flex; align-items: center; gap: 10px; padding: 18px 20px 0; font-size: 12.5px; color: var(--on-dark-muted); transition: opacity .35s; }
.pass:not([data-k="0"]) .pass-top { opacity: 0; }
.pass-top .p-logo { width: 26px; height: 26px; box-shadow: 0 0 0 1px #ffffff2e; }
.pass-top b { color: var(--on-dark-ink); font-size: 13.5px; }
.pass-top em { margin-left: auto; font-style: normal; font-size: 11px; padding: 2px 9px; border-radius: 999px; border: 1px solid #ffffff2b; color: var(--on-dark); }
.pass-mid { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; padding: 16px 20px 16px; }
.pass-name { font-size: 23px; font-weight: 750; letter-spacing: -.01em; color: #fff; line-height: 1.2; }
.pass-term { margin-top: 2px; font-size: 12.5px; color: var(--on-dark-muted); }
.pass-price { font-size: clamp(30px, 3vw, 36px); font-weight: 800; letter-spacing: -.03em; color: #fff; white-space: nowrap; font-variant-numeric: tabular-nums; text-shadow: 0 1px 0 #0006; }
.pass-perf { height: 0; margin: 0 20px; border-top: 1.5px dashed #ffffff29; }
.pass-bot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 16px 16px 16px 20px; }
.guard { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 700; white-space: nowrap; }
.guard.on { color: #3b1a07; background: linear-gradient(120deg, var(--d2), var(--d1)); box-shadow: 0 6px 16px -8px color-mix(in srgb, var(--d2) 70%, transparent), inset 0 1px 0 #ffffffa6; }
.guard.off { color: var(--on-dark); background: #ffffff0d; border: 1px dashed #ffffff33; font-weight: 600; }
.pass-go { display: inline-flex; align-items: center; gap: 4px; padding: 6px 12px; border-radius: 999px; color: #fff; font-size: 12.5px; font-weight: 600; background: #ffffff14; border: 1px solid #ffffff26; transition: background .2s; white-space: nowrap; }
.pass-go:hover { background: #ffffff26; text-decoration: none; }
.pass-go:focus-visible { outline: 2px solid var(--d2); outline-offset: 2px; }
.wallet-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-top: 22px; }
.wallet-tabs button { display: inline-flex; align-items: center; gap: 5px; height: 34px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--glass-strong); font-size: 13px; font-weight: 600; color: var(--muted); transition: color .2s, background .3s, box-shadow .3s, border-color .2s; }
.wallet-tabs button:hover { color: var(--ink); border-color: var(--line-strong); }
.wallet-tabs button i { display: inline-grid; color: var(--primary); }
.wallet-tabs button[aria-selected="true"] { color: #fff; background: var(--brand-gradient); border-color: transparent; box-shadow: 0 8px 20px -10px color-mix(in srgb, var(--primary) 80%, transparent); }
.wallet-tabs button[aria-selected="true"] i { color: #fff; }
/* 保障印章：当前卡含保障时亮起，续费卡时转为说明“不含” */
.stage-wallet .seal { right: -10px; top: -30px; z-index: 5; transition: background .3s, border-color .3s; }
.seal .ic { transition: background .3s, color .3s; }
.seal[data-on="false"] { background: color-mix(in srgb, var(--surface) 92%, transparent); }
.seal[data-on="false"] .ic { background: var(--soft); color: var(--muted); }
.seal[data-on="false"] strong { color: var(--muted); }
.stage-wallet .term-caption { margin-top: 12px; }

/* ==========================================================================
   首屏右侧 · Grok 派活工作台（stages.js workbench）
   浅色产品窗口：左侧任务导航，右侧结果展开；底板、窗口、产出卡片分三层深度
   ========================================================================== */
.stage-bench { min-height: 470px; display: grid; align-content: center; perspective: 1500px; }
.bench-rig { position: relative; padding: 8px 0 44px 26px; transform-style: preserve-3d; transform: rotateX(var(--bx, 5deg)) rotateY(var(--by, -7deg)); transition: transform .7s var(--ease); }
.bench-back { position: absolute; inset: 24px -14px 58px 54px; border-radius: 26px; background: linear-gradient(160deg, color-mix(in srgb, var(--surface) 70%, transparent), color-mix(in srgb, var(--d1) 30%, transparent)); border: 1px solid var(--line); box-shadow: var(--shadow); transform: translate3d(calc(var(--px, 0) * -10px), calc(var(--py, 0) * -8px), -70px); transition: transform .7s var(--ease); }
.bench { position: relative; border-radius: 22px; overflow: hidden; background: linear-gradient(180deg, var(--surface), color-mix(in srgb, var(--soft) 45%, var(--surface))); border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 #fff, calc(var(--px, 0) * -18px) calc(36px + var(--py, 0) * -10px) 70px -30px color-mix(in srgb, var(--shade) 40%, transparent), 0 2px 6px color-mix(in srgb, var(--shade) 8%, transparent); transition: box-shadow .7s var(--ease); }
.bench::after { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit; background: linear-gradient(115deg, transparent 40%, #ffffff66 50%, transparent 60%); background-size: 260% 100%; background-position: calc(70% - var(--px, 0) * 60%) 0; mix-blend-mode: soft-light; transition: background-position .7s var(--ease); }
.bench-bar { display: flex; align-items: center; gap: 10px; height: 46px; padding: 0 16px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--soft) 65%, var(--surface)); font-size: 13px; color: var(--muted); }
.bench-dots { display: flex; gap: 7px; margin-right: 4px; } .bench-dots i { width: 10px; height: 10px; border-radius: 50%; background: #ff6b81; } .bench-dots i:nth-child(2) { background: #ffc35c; } .bench-dots i:nth-child(3) { background: #52d69a; }
.bench-bar .p-logo { width: 20px; height: 20px; }
.bench-bar b { color: var(--ink); }
.bench-bar em { margin-left: auto; font-style: normal; font-size: 11.5px; padding: 2px 9px; border-radius: 999px; background: var(--soft); border: 1px solid var(--line); }
.bench-body { display: grid; grid-template-columns: 178px minmax(0, 1fr); min-height: 330px; }
.bench-nav { position: relative; display: flex; flex-direction: column; gap: 4px; padding: 12px 10px; border-right: 1px solid var(--line); background: color-mix(in srgb, var(--soft) 50%, var(--surface)); }
.bench-nav-h { margin: 2px 8px 6px; font-size: 11px; letter-spacing: .08em; font-weight: 700; color: var(--faint); }
.bench-ind { position: absolute; left: 0; top: 0; border-radius: 12px; background: var(--surface); box-shadow: var(--shadow), 0 0 0 1px color-mix(in srgb, var(--primary) 18%, transparent); transition: transform .45s var(--ease), width .45s var(--ease), height .45s var(--ease); }
.bench-nav [role=tab] { position: relative; display: grid; grid-template-columns: 24px 1fr; column-gap: 6px; padding: 9px 10px; border: 0; border-radius: 12px; background: none; text-align: left; }
.bench-nav [role=tab] em { grid-row: span 2; align-self: start; margin-top: 2px; font: 700 10.5px var(--mono); color: var(--faint); transition: color .3s; }
.bench-nav [role=tab] b { font-size: 13.5px; color: var(--ink); line-height: 1.3; }
.bench-nav [role=tab] span { font-size: 11.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bench-nav [role=tab][aria-selected="true"] em { color: var(--primary); }
.bench-nav [role=tab]:not([aria-selected="true"]):hover { background: color-mix(in srgb, var(--surface) 55%, transparent); }
.bench-main { position: relative; display: grid; padding: 16px 18px 18px; overflow: hidden; }
.bench-view { grid-area: 1 / 1; min-width: 0; }
.bench-view.leave { animation: bench-leave .4s var(--ease) forwards; pointer-events: none; }
.bench-view.enter .bench-ask { animation: bench-in .45s var(--ease) backwards; }
/* 只用 backwards 填充：动画结束后不留 clip-path，3D 斜放时结果行的点击判定才准确 */
.bench-view.enter .bench-res { animation: bench-unfold .55s var(--ease) .12s backwards; transform-origin: 50% 0; }
.bench-view.enter .bench-rows li { animation: bench-in .45s var(--ease) backwards; animation-delay: calc(.24s + var(--i) * .07s); }
.bench-ask { margin: 0 0 12px auto; width: fit-content; max-width: 88%; padding: 9px 14px; border-radius: 14px 14px 4px 14px; background: var(--tint); color: var(--ink); font-size: 13.5px; }
.bench-res { padding: 12px; border-radius: 16px; background: color-mix(in srgb, var(--surface) 80%, transparent); border: 1px solid var(--line); box-shadow: 0 10px 26px -18px color-mix(in srgb, var(--shade) 40%, transparent); }
.bench-lead { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 13.5px; color: var(--text); }
.bench-lead .p-logo { width: 24px; height: 24px; }
.bench-rows { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.bench-row { display: grid; grid-template-columns: 54px minmax(0, 1fr) 16px; align-items: center; gap: 8px; width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 11px; background: var(--soft); text-align: left; font-size: 12.5px; transition: background .25s, border-color .25s, transform .3s var(--ease), box-shadow .3s; }
.bench-row b { color: var(--ink); }
.bench-row span { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bench-row i { display: grid; color: var(--faint); transition: transform .35s var(--ease), color .2s; }
.bench-row:hover { background: var(--surface); border-color: var(--line-strong); }
.bench-row[aria-expanded="true"] { background: var(--surface); border-color: color-mix(in srgb, var(--primary) 30%, var(--line)); box-shadow: 0 8px 20px -14px color-mix(in srgb, var(--primary) 60%, transparent); }
.bench-row[aria-expanded="true"] i { transform: rotate(90deg); color: var(--primary); }
.bench-more { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .4s var(--ease); }
.bench-row[aria-expanded="true"] + .bench-more { grid-template-rows: 1fr; }
.bench-more p { overflow: hidden; margin: 0; padding: 0 12px; font-size: 12.5px; color: var(--text); border-left: 2px solid color-mix(in srgb, var(--primary) 40%, transparent); margin-left: 10px; }
.bench-row[aria-expanded="true"] + .bench-more p { padding: 8px 12px 4px; }
.bench-out { position: absolute; z-index: 3; left: 0; bottom: 0; display: flex; align-items: center; gap: 12px; padding: 12px 16px 12px 12px; border-radius: 16px; background: var(--glass-strong); backdrop-filter: blur(16px); border: 1px solid #ffffffd9;
  box-shadow: var(--shadow-lift), calc(var(--px, 0) * -12px) 26px 40px -18px color-mix(in srgb, var(--shade) 42%, transparent), inset 0 1px 0 #fff; transform: translate3d(calc(var(--px, 0) * 14px), calc(var(--py, 0) * 10px), 70px); transition: transform .7s var(--ease); }
.bench-out.pop { animation: bench-pop .5s var(--ease); }
.bench-out .ic { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: var(--brand-gradient); color: #fff; }
.bench-out b { display: block; font-size: 14px; color: var(--ink); line-height: 1.25; }
.bench-out span { font-size: 12px; color: var(--muted); }
.stage-bench .term-caption { margin-top: 4px; }
@keyframes bench-leave { to { opacity: 0; transform: translateX(calc(var(--dir, 1) * -28px)); } }
@keyframes bench-in { from { opacity: 0; transform: translateX(calc(var(--dir, 1) * 18px)); } }
@keyframes bench-unfold { from { opacity: 0; transform: scaleY(.86) translateY(-6px); clip-path: inset(0 0 60% 0 round 16px); } to { clip-path: inset(0 0 0 0 round 16px); } }
@keyframes bench-pop { 0% { opacity: .4; translate: 0 10px; } 100% { opacity: 1; translate: 0 0; } }

/* 窄屏：不斜放，工作台任务改成横排，卡包缩小；触摸靠点按与滑动 */
@media (max-width: 640px) {
  .stage-wallet, .stage-bench { min-height: 0; }
  .wallet { height: 330px; transform: rotateX(8deg); }
  .pass { height: 212px; border-radius: 20px; }
  .pass-name { font-size: 20px; }
  .pass-price { font-size: 28px; }
  .pass-bot { flex-wrap: wrap; padding: 14px 16px; }
  .stage-wallet .seal { position: relative; right: auto; top: auto; margin: 0 auto 10px; animation: none; }
  .bench-rig { transform: none; padding: 0; }
  .bench-back { display: none; }
  .bench-body { grid-template-columns: 1fr; }
  .bench-nav { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: 8px; scrollbar-width: none; }
  .bench-nav-h { display: none; }
  .bench-nav { gap: 2px; padding: 6px; }
  .bench-nav [role=tab] { flex: 1 0 auto; display: block; padding: 8px 10px; text-align: center; }
  .bench-nav [role=tab] em, .bench-nav [role=tab] span { display: none; }
  .bench-ask, .bench-lead, .bench-row, .bench-more p { font-size: 14px; }
  .bench-out { position: relative; margin: 12px 0 0; transform: none; }
}

/* 热销套餐：选购项与首屏卡包使用同一标记。 */
.hot-badge { display: inline-flex; align-items: center; flex: none; white-space: nowrap; font-size: 11px; font-weight: 750; font-style: normal; line-height: 1.5; padding: 3px 9px; border-radius: 999px; background: linear-gradient(110deg, #ffe1ad, #ffb978); color: #682c12; }
.plan-opt .hot-badge { margin-left: 8px; vertical-align: middle; }
.pass-top em.hot-badge { color: #682c12; border-color: #ffd8a6; box-shadow: 0 2px 12px #ed9c4e30; }

/* 三个标题各自排版，文案仍是可选择、可读屏的文字。 */
.hero .hero-title { position: relative; isolation: isolate; width: fit-content; max-width: 100%; margin: 28px 0 30px; line-height: 1.06; }
.hero-title .title-intro, .hero-title .title-impact { display: block; position: relative; width: fit-content; }
.hero-title .title-intro { font-size: .72em; letter-spacing: -.045em; }
.hero-title .title-impact { margin-top: .13em; font-size: 1.2em; letter-spacing: -.055em; white-space: nowrap; }
.title-ink { position: relative; z-index: 1; }

/* Claude：深棕印字与陶土色大字，右移的落款感。 */
.title-claude .title-intro { font-weight: 750; }
.title-claude .title-impact { margin-left: .34em; padding-bottom: .12em; }
.title-claude .title-impact::after { content: ""; position: absolute; left: .04em; right: .3em; bottom: 0; height: 5px; border-radius: 50%; background: linear-gradient(90deg, var(--primary), transparent); opacity: .45; transform: rotate(-2deg); }

/* Codex：前行收紧，主行前倾，光带沿字面缓慢掠过。 */
.title-codex .title-intro { font-family: var(--mono); font-size: .66em; font-weight: 650; letter-spacing: -.055em; }
.title-codex .title-impact { margin-left: .12em; padding: .02em .08em .17em 0; font-size: 1.3em; transform: skewX(-7deg); }
.title-claude .title-ink, .title-codex .title-ink { color: var(--primary); background: linear-gradient(115deg, var(--ink) 0%, var(--primary) 32%, var(--g2) 46%, var(--ink) 64%, var(--primary) 100%); background-size: 220% 100%; background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; animation: title-sweep 9s ease-in-out infinite; filter: drop-shadow(0 5px 14px color-mix(in srgb, var(--primary) 18%, transparent)); }
.title-codex .title-impact::before, .title-codex .title-impact::after { content: ""; position: absolute; bottom: .02em; height: 3px; background: linear-gradient(90deg, transparent, var(--primary)); transform: skewX(-30deg); }
.title-codex .title-impact::before { left: -.06em; width: 72%; opacity: .6; }
.title-codex .title-impact::after { right: .08em; width: 18%; bottom: -.04em; opacity: .25; }

/* Grok：短句像一条上线通知，状态点不承担文字信息。 */
.title-grok .title-intro { font-size: .61em; font-weight: 650; letter-spacing: -.025em; }
.title-grok .title-impact { display: flex; align-items: center; gap: .17em; margin-left: .48em; margin-top: .18em; font-size: 1.32em; letter-spacing: -.065em; }
.title-grok .title-ink { color: var(--primary); background: linear-gradient(135deg, var(--ink), var(--primary) 62%, var(--g2)); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.title-grok .title-impact::before { content: ""; position: absolute; left: -.36em; top: .04em; width: .13em; height: .82em; border-left: 2px solid var(--primary); border-bottom: 2px solid var(--primary); border-radius: 0 0 0 9px; opacity: .24; }
.title-status { position: relative; display: block; flex: none; width: .13em; height: .13em; margin-left: -.12em; border-radius: 50%; background: var(--primary); box-shadow: 0 0 18px color-mix(in srgb, var(--primary) 35%, transparent); }
.title-status::after { content: ""; position: absolute; inset: -.065em; border: 1px solid var(--primary); border-radius: 50%; animation: title-signal 3.6s ease-out infinite; }
@keyframes title-sweep { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes title-signal { 0%, 15% { transform: scale(.7); opacity: .65; } 85%, 100% { transform: scale(1.6); opacity: 0; } }
@media (max-width: 600px) {
  .hero .hero-title { font-size: clamp(34px, 8.7vw, 52px); margin: 26px 0; }
  .title-claude .title-impact { margin-left: .16em; }
  .title-grok .title-impact { margin-left: .34em; }
}
@media (prefers-reduced-motion: reduce) {
  .title-claude .title-ink, .title-codex .title-ink, .title-status::after { animation: none; }
  .title-status::after { opacity: .3; }
}
@media (forced-colors: active) {
  .hero-title .title-ink { background: none; -webkit-text-fill-color: CanvasText; filter: none; }
  .title-status { background: Highlight; }
}

/* 套餐额度与名称并排；独立于推荐标记。 */
.usage-badge { display: inline-block; white-space: nowrap; font-size: 11px; font-weight: 650; line-height: 1.5; padding: 3px 7px; border-radius: 6px; background: var(--line); color: inherit; }
.plan-opt .usage-badge { margin-left: 8px; }
.plan-name:has(.usage-badge) { flex-wrap: wrap; gap: 6px; }
.featured .usage-badge { background: rgb(255 255 255 / 12%); }