:root{--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--blue:#2563eb;--violet:#6366f1}*{box-sizing:border-box}body{margin:0;color:var(--ink);font:15px/1.6 "Segoe UI",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:linear-gradient(155deg,#f8fbff 0%,#f5f3ff 100%);min-height:100vh}.payTop{height:72px;padding:0 max(24px,calc((100% - 1120px)/2));display:flex;align-items:center;justify-content:space-between;background:#ffffffd9;border-bottom:1px solid #e9eef8}.payTop>a:last-child{color:#475569;text-decoration:none}.payBrand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:21px;font-weight:600;text-decoration:none}.logo{width:36px;height:36px;filter:drop-shadow(0 3px 7px rgba(59,130,246,.25))}.logo svg{display:block}.payBrand em{font-style:normal;font-weight:400;background:linear-gradient(90deg,#06b6d4,#6366f1);-webkit-background-clip:text;background-clip:text;color:transparent}.payMain{max-width:1120px;margin:auto;padding:72px 24px}.payIntro{text-align:center;margin:0 auto 42px;max-width:600px}.eyebrow{margin:0 0 8px;color:var(--violet);font-weight:700;letter-spacing:.12em;font-size:12px}.payIntro h1{margin:0;font-size:clamp(30px,5vw,45px);letter-spacing:-.04em}.payIntro p:last-child{color:var(--muted);font-size:16px}.planList{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;align-items:stretch}.plan,.loading{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 14px 35px #3341550a}.plan h2{margin:0 0 10px;font-size:20px}.plan p{color:var(--muted);min-height:48px}.price{margin:18px 0;font-weight:800;font-size:33px;letter-spacing:-.04em}.price small{font-size:14px;color:var(--muted);font-weight:500;letter-spacing:0}.payBtn{width:100%;border:0;border-radius:10px;padding:13px;background:linear-gradient(100deg,var(--blue),var(--violet));color:#fff;font:700 15px inherit;cursor:pointer}.payBtn:disabled{opacity:.55;cursor:wait}.payMessage{text-align:center;min-height:25px;color:#b42318}.payMessage.ok{color:#16803c}.payFoot{text-align:center;color:var(--muted);font-size:12px;margin:38px auto 0;max-width:540px}@media(max-width:560px){.payTop{padding:0 16px}.payMain{padding:48px 16px}}

/* 同步主页与登录页的浅灰网格背景 */
body{font-family:-apple-system,'PingFang SC','Microsoft YaHei',system-ui,sans-serif;background-color:#eef2f7;background-image:linear-gradient(rgba(148,163,184,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.11) 1px,transparent 1px);background-size:28px 28px;background-attachment:fixed}

.manualPay{margin:28px auto 0;padding:24px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 14px 35px #3341550a}.manualPay h2{margin:0 0 18px;font-size:20px}.manualPay img{display:block;width:auto;height:auto;max-width:100%;margin:0 auto}
.payMain{padding-top:54px}.planList{max-width:860px;margin:0 auto}.plan{padding:24px}.plan h2{font-size:21px}.planPriceText{min-height:0!important;margin:0 0 8px;color:var(--ink)!important;font-weight:700}.plan .rights{min-height:48px;margin-top:0}.manualPay{max-width:420px;margin:24px auto 0;padding:20px}.manualPay h2{margin-bottom:14px}.manualPay img{width:min(100%,280px)}
.supportFab{position:fixed;right:24px;bottom:24px;border:0;border-radius:999px;padding:12px 18px;background:#0f172a;color:#fff;font:600 14px inherit;box-shadow:0 10px 28px #0f172a33;cursor:pointer}.supportPanel{position:fixed;right:24px;bottom:78px;width:min(360px,calc(100vw - 32px));padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 50px #0f172a26;z-index:10}.supportPanel h2{margin:0 0 4px;font-size:20px}.supportPanel p{margin:0 0 14px;color:var(--muted);font-size:13px}.supportPanel input,.supportPanel textarea{display:block;width:100%;margin:9px 0;padding:10px;border:1px solid var(--line);border-radius:9px;font:inherit}.supportPanel textarea{resize:vertical}.supportPanel button:not(.supportClose){width:100%;border:0;border-radius:9px;padding:11px;background:linear-gradient(100deg,var(--blue),var(--violet));color:#fff;font-weight:700;cursor:pointer}.supportClose{position:absolute;right:12px;top:8px;border:0;background:none;color:var(--muted);font-size:24px;cursor:pointer}.supportStatus{min-height:20px;margin:10px 0 0!important;color:#16803c!important}

/* 订阅页新版视觉：减少装饰，突出套餐与付款 */
.planBenefits{list-style:none;padding:0;margin:22px 0;color:#475569;line-height:2.1;font-size:14px}.planBenefits li::before{content:'✓';color:#2563eb;margin-right:10px}.plan.selected{outline:2px solid #2563eb;outline-offset:3px}
.paymentDialog{width:min(440px,calc(100vw - 32px));max-height:calc(100dvh - 48px);overflow:auto;padding:32px;border:1px solid #dce4ee;border-radius:20px;color:#132238;background:#fff;box-shadow:0 24px 80px #0f172a33;text-align:center}.paymentDialog::backdrop{background:rgba(15,23,42,.45);backdrop-filter:blur(4px)}.paymentDialog #manualPay{margin:0;padding:0;border:0;box-shadow:none;background:none}.paymentDialog h2{font-size:22px;margin:0 0 12px}.paymentDialog #selectedPlan{font-size:20px;font-weight:650;color:#183b69}.paymentDialog #payMessage{font-size:12px;color:#64748b;overflow-wrap:anywhere;min-height:20px}.paymentDialog #alipayQr{width:224px;max-width:100%;height:auto;margin:16px auto;border-radius:0}.paymentDialog #alipayQr[hidden]{display:none}.paymentNote{font-size:13px;color:#64748b;line-height:1.8}.supportPanel{max-height:calc(100dvh - 100px);overflow:auto}.supportPanel label{font-size:13px;color:#475569}.payBtn:focus-visible{outline:3px solid #60a5fa;outline-offset:3px}
.loginPromptDialog{width:min(300px,calc(100vw - 48px));padding:22px 18px 17px;border:1px solid #d8e3f0;border-radius:16px;color:#132238;background:#fff;box-shadow:0 22px 60px #0f172a33;text-align:center}.loginPromptDialog::backdrop{background:rgba(15,23,42,.45);backdrop-filter:blur(4px)}.loginPromptDialog h2{margin:0 0 5px;font-size:19px;letter-spacing:-.02em;color:#172b4d}.loginPromptDialog p{margin:0 0 15px;color:#64748b;font-size:13px}.loginPromptIcon{display:grid;place-items:center;width:40px;height:40px;margin:0 auto 11px;border-radius:12px;background:#eaf2ff;color:#2563eb;font-size:23px;font-weight:700}.loginPromptOk{min-width:104px;border:0;border-radius:8px;padding:8px 18px;background:#183b69;color:#fff;font:600 13px inherit;cursor:pointer;box-shadow:0 6px 14px rgba(24,59,105,.16)}.loginPromptOk:hover{background:#214b82}.loginPromptOk:focus-visible{outline:3px solid #60a5fa;outline-offset:3px}
body{color:#132238;background-color:#edf3fb;background-image:linear-gradient(rgba(148,163,184,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.08) 1px,transparent 1px);background-size:32px 32px}
.payTop{height:68px;padding:0 max(22px,calc((100% - 1000px)/2));background:rgba(255,255,255,.9);border-bottom:1px solid #dbe5f1;backdrop-filter:blur(14px)}
.payBrand{font-size:20px;letter-spacing:-.02em}.payTop>a:last-child{padding:8px 14px;border:1px solid #d8e2ef;border-radius:9px;color:#334155;font-size:13px;background:#fff}
.payMain{max-width:1000px;padding:58px 22px 90px}.payIntro{max-width:660px;margin:0 auto 34px}.eyebrow{display:none}.payIntro h1{font-size:clamp(32px,5vw,46px);line-height:1.12;letter-spacing:-.055em;color:#10233e}.payIntro p:last-child{margin:14px auto 0;color:#64748b;font-size:15px}
.planList{max-width:820px;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.plan{position:relative;min-height:280px;padding:28px 28px 24px;border:1px solid #d8e3f0;border-radius:18px;box-shadow:0 18px 42px rgba(30,64,100,.08);transition:transform .2s ease,box-shadow .2s ease}.plan:hover{transform:translateY(-3px);box-shadow:0 22px 46px rgba(30,64,100,.14)}.plan:nth-child(2){border-color:#8b9cf7;box-shadow:0 18px 42px rgba(79,70,229,.14)}.plan h2{margin:0 0 12px;color:#172b4d;font-size:22px}.planPriceText{font-size:15px!important;color:#64748b!important}.plan .rights{display:flex;align-items:center;min-height:48px;margin:15px 0 0;padding:12px 0;border-top:1px solid #edf1f6;border-bottom:1px solid #edf1f6;color:#334155;font-size:14px}.price{margin:18px 0 15px;color:#10233e;font-size:32px}.price small{font-size:13px}.payBtn{border-radius:9px;padding:12px;background:#183b69;box-shadow:0 7px 16px rgba(24,59,105,.18)}.plan:nth-child(2) .payBtn{background:linear-gradient(100deg,#4f46e5,#2563eb)}
.manualPay{max-width:430px;margin:32px auto 0;padding:22px 24px;background:rgba(255,255,255,.92);border:1px solid #d8e3f0;border-radius:18px;box-shadow:0 18px 42px rgba(30,64,100,.08)}.manualPay h2{font-size:18px;color:#172b4d}.manualPay img{width:min(100%,250px);border-radius:8px}
.payMessage{margin:14px auto 0;font-size:13px}.payFoot{margin-top:26px;color:#7b8798}
/* 2026-10-19 终身会员：套餐简介 + 不含项（灰色） */
.planDesc{margin:6px 0 0;color:#64748b;font-size:14px;line-height:1.6}.planBenefits li.no{color:#94a3b8}.planBenefits li.no::before{content:'–';background:#f1f5f9;color:#94a3b8}
.supportFab{right:22px;bottom:22px;background:#183b69;border-radius:10px;padding:11px 16px;font-size:13px}.supportPanel{right:22px;bottom:72px;border-radius:16px}
@media(max-width:680px){.payMain{padding:42px 16px 80px}.planList{grid-template-columns:1fr;max-width:430px}.plan{min-height:auto}.payIntro{margin-bottom:26px}.payIntro h1{font-size:34px}.manualPay{margin-top:24px}.payTop{padding:0 16px}.payBrand{font-size:18px}}

.chatHead{display:flex;align-items:center;gap:10px;padding:2px 0 12px;border-bottom:1px solid #e6edf5}.chatHead strong,.chatHead small{display:block}.chatHead strong{font-size:14px;color:#172b4d}.chatHead small{margin-top:3px;color:#8492a6;font-size:11px}.chatAvatar{display:grid;place-items:center;width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,#22d3ee,#6366f1);color:#fff;font-weight:800}.chatOnline{width:8px;height:8px;margin-left:auto;border-radius:50%;background:#22c55e;box-shadow:0 0 0 3px #dcfce7}.supportTicket{font-size:11px!important;color:#8492a6!important;margin:8px 0!important}.supportMessages{display:flex;flex-direction:column;gap:10px;max-height:230px;overflow:auto;padding:4px 2px 12px}.supportLine{display:flex;flex-direction:column;max-width:86%}.supportLine small{margin:0 5px 3px;color:#94a3b8;font-size:10px}.supportLine.mine{align-self:flex-end;align-items:flex-end}.supportLine.theirs{align-self:flex-start;align-items:flex-start}.supportBubble{padding:9px 11px;border-radius:13px;font-size:13px;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}.supportLine.mine .supportBubble{background:#e7f0ff;color:#163b70;border-bottom-right-radius:4px}.supportLine.theirs .supportBubble{background:#f1f5f9;color:#243447;border-bottom-left-radius:4px}.chatComposer{display:flex;align-items:flex-end;gap:8px}.chatComposer textarea{flex:1!important;margin:0!important}.chatComposer button{width:auto!important;padding:10px 15px!important}.supportEmpty{padding:16px 4px;text-align:center;font-size:13px!important}

/* 2026-11-03 付款后自助确认开通 */
.paidConfirm{margin:18px 0 0;padding:16px 16px 14px;border:1px solid #d8e3f0;border-radius:14px;background:#f8fbff;text-align:left}.paidConfirm h3{margin:0 0 4px;font-size:16px;color:#132238}.paidHint{margin:0 0 12px;color:#64748b;font-size:13px;line-height:1.6}
.paidRow{display:flex;flex-direction:column;gap:4px;font-size:13px;color:#475569}.paidRow input{height:40px;padding:0 12px;border:1px solid #cbd5e1;border-radius:10px;font:inherit;font-size:14px;color:#132238;background:#eef3f9}
.paidPlan{margin:10px 0 6px;font-size:13px;color:#334155;font-weight:600}.paidAgree{display:flex;gap:8px;align-items:flex-start;font-size:12.5px;line-height:1.55;color:#475569;cursor:pointer}.paidAgree input{margin-top:3px;flex:none}
.paidBtn{display:flex;align-items:center;justify-content:center;width:100%;height:44px;margin-top:12px;border:0;border-radius:11px;background:#2563eb;color:#fff;font:600 15px inherit;font-family:inherit;text-decoration:none;cursor:pointer}.paidBtn:disabled{opacity:.6;cursor:wait}
.paidMsg{margin:8px 0 0;min-height:1em;font-size:13px;color:#b91c1c}.paidOk{margin:18px 0 0;padding:20px 16px;border:1px solid #bbf7d0;border-radius:14px;background:#f0fdf4;text-align:center}.paidOk h3{margin:6px 0 4px;color:#166534}.paidOk p{margin:0;color:#475569;font-size:13.5px}
.paidOkIco{width:42px;height:42px;margin:0 auto;border-radius:50%;background:#16a34a;color:#fff;display:grid;place-items:center;font-size:22px;font-weight:700}

/* 2026-11-03 支付宝 AI 付网页支付：在线付款按钮 + 改用收款码 */
.alipayOnline{margin:14px 0 4px;text-align:center}
.alipayOnlineHint{color:#5b6b7f;font-size:14px;line-height:1.6;margin:0 0 14px}
.alipayGo{background:#1677ff;min-width:220px}
.alipayGo:hover{background:#0f5fd6}
.alipayFallback{display:block;margin:12px auto 0;background:none;border:0;color:#6b7a90;font-size:13px;text-decoration:underline;cursor:pointer}