:root{color-scheme:light;--bg: #f5efe2;--surface: rgba(255, 252, 246, .82);--surface-strong: #fffaf0;--ink: #1d1a17;--muted: #5e564d;--line: rgba(29, 26, 23, .12);--accent: #c55a11;--accent-soft: #ffe4c6;--shadow: 0 24px 70px rgba(66, 40, 13, .14);font-family:Avenir Next,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;background:radial-gradient(circle at top left,rgba(255,207,148,.52),transparent 22rem),radial-gradient(circle at 85% 15%,rgba(197,90,17,.16),transparent 18rem),linear-gradient(180deg,#f7f1e7 0%,var(--bg) 100%);color:var(--ink)}a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(1180px,calc(100vw - 32px));margin:0 auto;padding:32px 0 72px}.home-v2{min-height:100vh;background:#f9fafb;color:#0f172a}.home-v2__header{position:sticky;top:0;z-index:50;border-bottom:1px solid #f3f4f6;background:#fffc;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.home-v2__header-inner,.home-v2__hero-inner,.home-v2__section-inner,.home-v2__footer-inner{width:min(1280px,calc(100vw - 48px));margin:0 auto;padding-left:24px;padding-right:24px}.home-v2__header-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}.home-v2__brand{display:flex;align-items:center;gap:12px}.home-v2__logo{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:#ef4444}.home-v2__logo-core{width:20px;height:20px;border-radius:999px;background:#ffffff3d}.home-v2__brand-name{font-size:30px;font-weight:800;letter-spacing:-.04em}.home-v2__header-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}.home-v2__header-hint{color:#6b7280;font-size:14px}.home-v2__header-button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 24px;border:0;border-radius:999px;font-size:14px;font-weight:600;transition:background-color .18s ease,box-shadow .18s ease,transform .18s ease}.home-v2__header-button:hover,.home-v2__hero-button:hover,.home-product-card a:hover{transform:translateY(-1px)}.home-v2__header-button--ghost{background:transparent;color:#4b5563;cursor:pointer}.home-v2__header-button--ghost:hover{background:#f9fafb}.home-v2__header-button--primary{background:#8b5cf6;color:#fff;box-shadow:0 6px 18px #8b5cf647}.home-v2__header-button--primary:hover{background:#7c3aed}.home-v2__hero{position:relative;overflow:hidden;background:#fff;padding:128px 0 160px}.home-v2__hero-accent{position:absolute;top:0;left:0;right:0;z-index:0;height:600px;background:linear-gradient(90deg,#8b5cf6,#3b82f6,#8b5cf6);filter:blur(80px);opacity:.15}.home-v2__hero-inner{position:relative;z-index:1;text-align:center}.home-v2__hero h1,.home-v2__section h2,.home-product-card h3,.home-capability-card span{margin:0}.home-v2__hero h1{font-size:clamp(56px,8vw,96px);line-height:1;font-weight:800;letter-spacing:-.06em}.home-v2__hero-subtitle,.home-v2__hero-desc,.home-v2__section-desc,.home-product-card p{margin:0;color:#9ca3af}.home-v2__hero-subtitle{margin-top:28px;font-size:20px;font-weight:500}.home-v2__hero-desc{max-width:720px;margin:24px auto 0;font-size:18px;line-height:1.7}.home-v2__hero-button{display:inline-flex;align-items:center;justify-content:center;min-height:56px;margin-top:48px;padding:0 40px;border-radius:16px;background:#ef4444;color:#fff;font-size:18px;font-weight:700;box-shadow:0 10px 25px -5px #ef444466;transition:background-color .18s ease,transform .18s ease}.home-v2__hero-button:hover{background:#dc2626}.home-v2__section{border-top:1px solid #f9fafb;background:#fff;padding:96px 0}.home-v2__section--capabilities{padding-bottom:128px}.home-v2__section h2{font-size:clamp(34px,4vw,40px);font-weight:800;letter-spacing:-.04em}.home-v2__section-desc{margin-top:12px;margin-bottom:48px;font-size:16px;line-height:1.7}.home-v2__product-grid,.home-v2__capability-grid{display:grid;gap:32px}.home-v2__product-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.home-product-card{display:flex;min-height:312px;flex-direction:column;align-items:flex-start;border:1px solid #f3f4f6;border-radius:24px;background:#fff;padding:32px;box-shadow:0 4px 18px #0f172a0a;transition:box-shadow .18s ease,transform .18s ease}.home-product-card:hover{box-shadow:0 16px 40px #0f172a1f}.home-product-card__accent{width:56px;height:56px;margin-bottom:24px;border-radius:18px}.home-product-card__accent--purple{background:#8b5cf6}.home-product-card__accent--red{background:#ef4444}.home-product-card__accent--green{background:#10b981}.home-product-card__accent--orange{background:#f97316}.home-product-card h3{margin-bottom:8px;font-size:20px;font-weight:800}.home-product-card p{margin-bottom:32px;font-size:14px;line-height:1.7}.home-product-card a{width:100%;min-height:42px;margin-top:auto;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;color:#fff;font-size:14px;font-weight:600;transition:background-color .18s ease,box-shadow .18s ease,transform .18s ease}.home-product-card__button--purple{background:#8b5cf6;box-shadow:0 10px 25px -5px #8b5cf64d}.home-product-card__button--purple:hover{background:#7c3aed}.home-product-card__button--red{background:#ef4444;box-shadow:0 10px 25px -5px #ef444466}.home-product-card__button--red:hover{background:#dc2626}.home-product-card__button--green{background:#10b981;box-shadow:0 10px 25px -5px #10b9814d}.home-product-card__button--green:hover{background:#059669}.home-product-card__button--orange{background:#f97316;box-shadow:0 10px 25px -5px #f973164d}.home-product-card__button--orange:hover{background:#ea580c}.home-v2__teacher-placeholder{min-height:256px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;border:1px solid #f3f4f6;border-radius:28px;background:#f9fafb}.home-v2__teacher-placeholder>span{color:#9ca3af;font-size:18px;font-weight:500}.home-v2__teacher-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.home-v2__teacher-tags strong{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid #e5e7eb;color:#6b7280;font-size:14px}.home-v2__capability-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.home-capability-card{display:flex;min-height:144px;flex-direction:column;align-items:center;justify-content:center;gap:16px;border-radius:24px;background:#f9fafb;text-align:center}.home-capability-card__icon{width:32px;height:32px;border-radius:999px}.home-capability-card__icon--purple{background:radial-gradient(circle at 35% 35%,#c4b5fd,#8b5cf6 70%)}.home-capability-card__icon--green{background:radial-gradient(circle at 35% 35%,#6ee7b7,#10b981 70%)}.home-capability-card__icon--red{background:radial-gradient(circle at 35% 35%,#fda4af,#ef4444 70%)}.home-capability-card span{font-size:18px;font-weight:800}.home-v2__footer{border-top:1px solid #1f2937;background:#000;color:#9ca3af;padding:48px 0}.home-v2__footer-inner{text-align:center}.home-v2__footer-inner p{margin:0;font-size:14px}.home-v2__footer-links{margin-top:16px;display:flex;justify-content:center;gap:24px;flex-wrap:wrap}.home-v2__footer-links a{font-size:14px;transition:color .18s ease}.home-v2__footer-links a:hover{color:#fff}.home-v2__footer-icp{display:inline-flex;margin-top:18px;font-size:14px;transition:color .18s ease}.home-v2__footer-icp:hover{color:#fff}.app-icp-footer{display:flex;justify-content:center;align-items:center;padding:20px 16px 28px;color:#6b7280;font-size:13px;text-align:center}.app-icp-footer a{transition:color .18s ease}.app-icp-footer a:hover{color:#111827}.home-shell{display:grid;gap:22px}.home-topbar,.home-nav,.home-hero,.home-section,.home-footer{border:1px solid var(--line);border-radius:28px;background:#fffcf6d6;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:var(--shadow)}.home-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px}.home-topbar__left{display:flex;flex-direction:column;gap:4px}.home-topbar__brand{font-size:1.12rem;font-weight:800;letter-spacing:.02em}.home-topbar__subtitle{margin:0;color:var(--muted);font-size:.96rem}.home-topbar__right{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:10px}.home-topbar__hint{color:var(--muted)}.home-nav{display:flex;align-items:center;gap:22px;padding:16px 24px;overflow-x:auto}.home-nav a{color:var(--muted);white-space:nowrap}.home-nav a:hover{color:var(--accent)}.home-hero,.home-section{padding:30px 32px}.home-hero h1,.home-hero h2,.home-section__head h3{margin:0}.home-hero h1{margin-top:8px;font-size:clamp(2.4rem,5vw,4.4rem);line-height:1}.home-hero h2{margin-top:12px;font-size:clamp(1.3rem,2vw,2rem)}.home-hero__lead,.home-section__head p,.home-site-card__desc{color:var(--muted);line-height:1.7}.home-hero__lead{max-width:720px;margin:16px 0 0}.home-hero__actions{margin-top:24px}.home-section__head{margin-bottom:18px}.home-section__head p{margin:8px 0 0}.home-site-grid,.home-ability-grid,.home-usage-flow{display:grid;gap:16px}.home-site-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.home-site-card,.home-ability-card,.teacher-placeholder{border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:var(--shadow)}.home-site-card{min-height:200px;padding:22px;display:flex;flex-direction:column;align-items:flex-start;gap:12px}.home-site-card h4,.home-site-card__title{margin:0}.home-site-card__title{font-weight:700;font-size:1.06rem}.home-site-card__desc{margin:0;flex:1}.home-site-card .button{margin-top:auto}.teacher-placeholder{min-height:110px;padding:22px;display:flex;align-items:flex-start;justify-content:center;flex-direction:column;gap:12px}.teacher-placeholder__label{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:700}.teacher-placeholder__sites{display:flex;gap:12px;flex-wrap:wrap}.teacher-placeholder__tag{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:700}.home-ability-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.home-ability-card{padding:20px 18px;text-align:center;font-weight:700}.home-usage-flow{grid-template-columns:repeat(4,minmax(0,1fr))}.home-usage-step{display:flex;align-items:center;justify-content:center;gap:10px;min-height:72px;padding:0 18px;border-radius:20px;border:1px solid var(--line);background:#ffffff9e;font-weight:700}.home-usage-step strong{color:var(--accent)}.home-footer{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;padding:18px 24px;color:var(--muted);text-align:center}.home-footer>*:not(:last-child):after{content:"｜";margin-left:8px}.home-footer a{color:inherit}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;padding:18px 22px;border:1px solid var(--line);border-radius:999px;background:#fffbf4b8;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.topbar--compact{margin-bottom:28px}.topbar__brand{font-weight:800;letter-spacing:.02em}.topbar__right{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.topbar__hint{color:var(--muted)}.topbar__pill{padding:8px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}.topbar__pill--link{font-weight:700}.shell--site{padding-top:40px}.hero,.site-hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.8fr);gap:24px;align-items:stretch}.hero__content,.hero__panel,.rule-card,.site-hero__content,.capability,.site-card,.workspace-card{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:var(--surface);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}.hero__content,.site-hero__content{padding:34px}.hero__content h1,.site-hero__content h1{margin:8px 0 18px;font-size:clamp(2.7rem,5vw,4.7rem);line-height:.96;letter-spacing:-.05em}.hero__lead,.site-hero__lead,.capability p,.site-card__desc,.workspace-card p,.rule-card__remark,.category__head p{color:var(--muted);line-height:1.7}.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:999px;border:1px solid var(--line);transition:transform .18s ease,background-color .18s ease;cursor:pointer}.button:hover{transform:translateY(-1px)}.button--primary{background:var(--accent);border-color:var(--accent);color:#fffaf4}.button--ghost{background:#ffffff85}.hero__panel,.rule-card{padding:28px;display:flex;flex-direction:column;justify-content:space-between;gap:18px}.hero__metric span{display:block;font-size:clamp(2rem,4vw,3.6rem);line-height:1;font-weight:700}.hero__metric p,.hero__stack p,.rule-card__label,.rule-card__grid span,.site-card__footer span{color:var(--muted)}.hero__stack{padding:16px;border-radius:20px;background:#fff1e0c7}.eyebrow{margin:0;color:var(--accent);font-size:.82rem;letter-spacing:.24em;text-transform:uppercase}.capabilities{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0 54px}.capability{padding:22px}.capability__dot{width:14px;height:14px;margin-bottom:18px;border-radius:999px;background:linear-gradient(135deg,#f5a623,#c55a11)}.section__head{margin-bottom:22px}.section__head h2,.category__head h3,.workspace-card h2,.site-card h4{margin:8px 0}.category{margin-top:28px}.card-grid,.workspace-preview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.site-card{padding:24px;min-height:250px;display:flex;flex-direction:column}.site-card__badge{align-self:flex-start;padding:8px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.82rem}.site-card__title{font-size:1.1rem;font-weight:700}.site-card__footer{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}.site-card__actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.site-card__footer a{color:var(--accent);font-weight:700}.site-card__link{padding:0;border:0;background:transparent;color:var(--accent);font-weight:700;cursor:pointer}.site-hero__back{display:inline-flex;margin-bottom:18px;color:var(--muted)}.rule-card__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.rule-card__grid strong{display:block;margin-top:6px;font-size:1.1rem}.workspace-card{padding:26px;min-height:220px}.empty{display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center;min-height:220px;border-radius:26px;border:1px dashed rgba(29,26,23,.22);background:#fffdf9bd;color:var(--muted)}.empty--error{color:#9c2f12}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;align-items:center;justify-content:center;padding:16px;background:#1d1a1761;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.auth-v2-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:24px}.auth-v2-backdrop__aurora{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;filter:blur(100px);opacity:.4}.auth-v2-backdrop__orb{position:absolute;border-radius:999px}.auth-v2-backdrop__orb--purple{top:-10%;left:-10%;width:50%;height:50%;background:#a78bfa}.auth-v2-backdrop__orb--red{top:10%;right:-5%;width:40%;height:40%;background:#f87171}.auth-v2-backdrop__orb--green{left:20%;bottom:-10%;width:45%;height:45%;background:#86efac}.auth-v2-backdrop__orb--orange{right:10%;bottom:10%;width:35%;height:35%;background:#fdba74}.auth-v2-backdrop__shade{position:absolute;top:0;right:0;bottom:0;left:0;background:#0006}.auth-v2-dialog{position:relative;width:min(440px,100%);border:1px solid rgba(255,255,255,.2);border-radius:40px;background:#ffffffe6;padding:32px;box-shadow:0 25px 60px #0f172a2e;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.auth-v2-dialog__close{position:absolute;top:24px;right:24px;width:24px;height:24px;border:0;background:transparent;color:#9ca3af;cursor:pointer}.auth-v2-dialog__close span{position:absolute;top:11px;left:2px;width:20px;height:2px;border-radius:999px;background:currentColor}.auth-v2-dialog__close span:first-child{transform:rotate(45deg)}.auth-v2-dialog__close span:last-child{transform:rotate(-45deg)}.auth-v2-dialog__head{margin-bottom:24px;text-align:center}.auth-v2-dialog__head h2{margin:0 0 8px;color:#000;font-size:32px;font-weight:800;letter-spacing:-.04em}.auth-v2-dialog__head p{margin:0;color:#6b7280;font-size:14px}.auth-v2-dialog__qr{margin-bottom:28px}.auth-v2-dialog__qr-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;border:1px solid #f3f4f6;border-radius:24px;background:#fff;padding:48px 24px}.auth-v2-dialog__qr-code{width:160px;height:160px;display:grid;place-items:center;border-radius:16px;background:#e5e7eb}.auth-v2-dialog__qr-code-inner{width:104px;height:104px;border-radius:12px;background:linear-gradient(90deg,rgba(17,24,39,.86) 25%,transparent 25%) 0 0 / 24px 24px,linear-gradient(rgba(17,24,39,.86) 25%,transparent 25%) 0 0 / 24px 24px,linear-gradient(90deg,transparent 75%,rgba(17,24,39,.86) 75%) 0 0 / 24px 24px,linear-gradient(transparent 75%,#111827db 75%) 0 0 / 24px 24px,#fff}.auth-v2-dialog__qr-panel p{margin:0;color:#9ca3af;font-size:18px}.auth-v2-dialog__info{margin-bottom:28px;text-align:center}.auth-v2-dialog__info p{margin:2px 0;color:#9ca3af;font-size:12px}.auth-v2-dialog__site{margin-top:10px}.auth-v2-dialog__notice{margin-bottom:16px;border-radius:14px;background:#f3f4f6e6;padding:12px 14px;color:#4b5563;font-size:13px}.auth-v2-dialog__notice--error{background:#fee2e2f2;color:#b91c1c}.auth-v2-dialog__footer{display:flex;align-items:center;justify-content:space-between;gap:16px}.auth-v2-dialog__button{min-height:48px;border:0;border-radius:14px;padding:0 24px;font-size:16px;font-weight:600;transition:background-color .18s ease,box-shadow .18s ease,transform .18s ease}.auth-v2-dialog__button:disabled{cursor:not-allowed;opacity:.7}.auth-v2-dialog__button--primary{flex:1;background:#f33024;color:#fff;box-shadow:0 10px 25px -5px #ef444466}.auth-v2-dialog__button--primary:hover:not(:disabled){background:#d92b21;transform:translateY(-1px)}.auth-v2-dialog__button--secondary{background:#f9fafb;border:1px solid #f3f4f6;color:#000}.auth-v2-dialog__button--secondary:hover{background:#f3f4f6}.dialog{width:min(780px,100%);max-height:calc(100vh - 32px);overflow:auto;padding:24px;border-radius:28px;border:1px solid var(--line);background:#fffaf2;box-shadow:var(--shadow)}.dialog__head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:20px}.dialog__head h2{margin:8px 0}.dialog__meta{margin:0;color:var(--muted)}.dialog__close{padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:transparent;cursor:pointer}.login-card{margin-top:18px;padding:20px;border-radius:22px;border:1px solid var(--line);background:#ffffffa3}.login-card h3{margin-top:0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:grid;gap:8px;margin-bottom:14px}.field span{color:var(--muted);font-size:.92rem}.field input,.field select{width:100%;min-height:46px;padding:0 14px;border-radius:14px;border:1px solid rgba(29,26,23,.16);background:#ffffffeb;font:inherit}.field__inline{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.hint{color:var(--muted)}.notice{margin-top:14px;padding:12px 14px;border-radius:16px;background:#ffe4c694}.notice--error{background:#f3c9c2c2;color:#8a2410}.wechat-panel{margin-top:14px;padding:14px;border-radius:16px;background:#ffffffb8;color:var(--muted);overflow-wrap:anywhere}.workspace-live,.account-layout{display:grid;gap:24px}.account-v2{min-height:100vh;padding:0 32px 56px;background:#f8f9fa}.account-v2__layout{width:min(1280px,100%);margin:0 auto;display:grid;gap:24px;padding-top:24px}.account-v2__header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0 12px;border-bottom:1px solid #f3f4f6}.account-v2__header h1,.account-v2__records-head h2{margin:0;color:#1f2937}.account-v2__header h1{font-size:1.75rem;font-weight:800}.account-v2__return{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 24px;border:1px solid #e5e7eb;border-radius:12px;background:#fff;color:#6b7280;font-size:.92rem;font-weight:600}.account-v2__balance{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.account-v2__balance-trigger{padding:0;border:0;background:transparent;text-align:left;cursor:pointer}.account-v2__balance-main{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.account-v2__balance-main span,.account-v2__summary-item span{color:#6b7280}.account-v2__balance-main strong{font-size:2.5rem;font-weight:800;line-height:1;color:#8b5cf6}.account-v2__recharge{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 40px;border-radius:16px;background:linear-gradient(135deg,#ff4d4d,#f9322c);color:#fff;font-size:1.06rem;font-weight:700;box-shadow:0 4px 14px #f9322c63}.account-v2__tabs{display:flex;flex-wrap:wrap;gap:28px;padding-bottom:6px;border-bottom:1px solid #e5e7eb}.account-v2__tab{position:relative;padding:0 0 12px;border:0;background:transparent;color:#6b7280;font-size:1.05rem;font-weight:500;cursor:pointer}.account-v2__tab.is-active{color:#8b5cf6;font-weight:600}.account-v2__tab.is-active:after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:2px;border-radius:999px;background:#8b5cf6}.account-v2__filters{display:flex;flex-wrap:wrap;gap:16px}.account-v2__filters--three .account-v2__filter{min-width:160px}.account-v2__filter{position:relative}.account-v2__filter select{min-height:42px;padding:0 38px 0 16px;border:1px solid #e5e7eb;border-radius:12px;background:#fff;color:#4b5563;font-size:.92rem;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9ca3af 50%),linear-gradient(135deg,#9ca3af 50%,transparent 50%);background-position:calc(100% - 18px) calc(50% - 3px),calc(100% - 12px) calc(50% - 3px);background-size:6px 6px,6px 6px;background-repeat:no-repeat}.account-v2__summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.account-v2__summary-item{padding:18px 20px;border-radius:18px;border:1px solid #f3f4f6;background:#fff}.account-v2__summary-item strong{display:block;margin-top:10px;font-size:1.2rem;color:#1f2937}.account-v2__records{display:grid;gap:16px}.account-v2__records-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.account-v2__records-head span{color:#6b7280;font-size:.92rem}.account-v2__record-list{display:grid;gap:16px}.account-v2__record{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px;border-radius:16px;border:1px solid #f3f4f6;background:#fff;box-shadow:0 4px 12px #0f172a0a}.account-v2__record-main{display:grid;gap:8px;min-width:0}.account-v2__record-main h3,.account-v2__record-extra p{margin:0}.account-v2__record-main h3{font-size:1.08rem;font-weight:800;color:#1f2937}.account-v2__record-main>p,.account-v2__record-extra p{color:#9ca3af;font-size:.92rem}.account-v2__record-extra{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.account-v2__record-side{color:#4b5563;font-size:.92rem;font-weight:600;white-space:nowrap}.account-v2__record-action{padding:0;border:0;background:transparent;color:#4b5563;font-size:.92rem;font-weight:700;cursor:pointer}.account-v2__record-action:hover{color:#8b5cf6}.account-v2__pagination{display:flex;align-items:center;justify-content:flex-end;gap:12px}.account-v2__empty{padding:24px;border-radius:16px;border:1px dashed #d1d5db;background:#fffc;color:#6b7280;text-align:center}.account-v2__detail-dialog{width:min(720px,100%);background:#fff;border:1px solid #f3f4f6;box-shadow:0 24px 60px #0f172a2e}.account-v2__detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.account-v2__detail-item{padding:16px 18px;border-radius:18px;background:#f9fafb;border:1px solid #f3f4f6}.account-v2__detail-item span,.account-v2__detail-note span{display:block;color:#6b7280;font-size:.88rem}.account-v2__detail-item strong{display:block;margin-top:8px;color:#111827;font-size:1rem;line-height:1.6;word-break:break-word}.account-v2__detail-note{margin-top:20px;padding:18px 20px;border-radius:20px;background:#f9fafb;border:1px solid #f3f4f6}.account-v2__detail-note p{margin:10px 0 0;color:#374151;line-height:1.75;white-space:pre-wrap;word-break:break-word}.account-panel{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:var(--surface);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}.account-page__top{display:flex;align-items:center;justify-content:space-between;gap:16px}.account-page__top h1{margin:0}.account-balance-bar,.account-summary-item{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:var(--surface);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}.account-balance-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px}.account-balance-bar__main{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.account-balance-bar__main span,.account-summary-item span,.activation-item p,.account-record-cell p{color:var(--muted)}.account-balance-bar__main strong{font-size:clamp(2rem,4vw,3rem);line-height:1}.account-summary-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.account-summary-item{padding:18px 20px;display:grid;gap:8px}.account-summary-item strong{font-size:1.2rem}.account-record-table{display:grid;gap:12px}.recharge-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.recharge-v2{position:relative;min-height:100vh;padding:24px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#fff}.recharge-v2__glow,.recharge-v2__overlay{position:absolute;inset:auto;pointer-events:none}.recharge-v2__glow{border-radius:999px;filter:blur(100px);opacity:.42}.recharge-v2__glow--purple{top:-10%;left:-10%;width:50%;height:50%;background:#c084fc}.recharge-v2__glow--red{top:10%;right:-5%;width:40%;height:40%;background:#f87171}.recharge-v2__glow--green{bottom:-10%;left:20%;width:45%;height:45%;background:#86efac}.recharge-v2__glow--orange{right:10%;bottom:10%;width:35%;height:35%;background:#fdba74}.recharge-v2__overlay{top:0;right:0;bottom:0;left:0;background:#0000001f}.recharge-v2__modal{position:relative;z-index:1;width:min(440px,100%);padding:32px;border-radius:40px;border:1px solid rgba(255,255,255,.2);background:#ffffffe6;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);box-shadow:0 10px 50px #0003;display:grid;gap:24px}.recharge-v2__close{position:absolute;top:32px;right:32px;width:32px;height:32px;border:0;background:transparent;color:#d1d5db;cursor:pointer}.recharge-v2__close svg{width:100%;height:100%;stroke:currentColor;stroke-width:2;fill:none}.recharge-v2__title,.recharge-v2__block h2,.recharge-v2__order-head h2{margin:0;color:#000}.recharge-v2__title{font-size:1.7rem;font-weight:800}.recharge-v2__status{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:20px;border:1px solid rgba(243,244,246,.72);border-radius:24px;background:#ffffff85}.recharge-v2__status div{text-align:center}.recharge-v2__status p,.recharge-v2__meta p,.recharge-v2__submit p,.recharge-v2__package span,.recharge-v2__package em,.recharge-v2__order-info p{margin:0;color:#9ca3af}.recharge-v2__status strong{display:block;margin-top:8px;font-size:1.75rem;color:#000}.recharge-v2__status-accent{color:#ff5a7e!important}.recharge-v2__status-ok{color:#20b2aa!important}.recharge-v2__block,.recharge-v2__order{display:grid;gap:18px}.recharge-v2__block h2,.recharge-v2__order-head h2{font-size:1.25rem;font-weight:800}.recharge-v2__package-grid,.recharge-v2__channel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.recharge-v2__package{padding:24px 16px 18px;border-radius:28px;border:1px solid rgba(249,250,251,.8);background:#fff;text-align:center;cursor:pointer;box-shadow:0 4px 20px #0000000d}.recharge-v2__package.is-active{border-color:#8a63ff4d;background:#f7f3ff}.recharge-v2__package strong{display:block;margin-bottom:4px;font-size:1.6rem;color:#000}.recharge-v2__package span{display:block;margin-bottom:10px;font-size:.95rem}.recharge-v2__package em{font-style:normal;font-size:.82rem}.recharge-v2__channel{display:flex;align-items:center;justify-content:center;gap:12px;min-height:58px;padding:0 16px;border-radius:16px;border:1px solid transparent;background:#f5f5f5;cursor:pointer;color:#6b7280;font-weight:600}.recharge-v2__channel.is-active{border-color:#dedcff;background:#f0efff;color:#333}.recharge-v2__channel input{display:none}.recharge-v2__channel-dot{width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid #d1d5db;background:#fff}.recharge-v2__channel.is-active .recharge-v2__channel-dot{border-color:#8a63ff}.recharge-v2__channel-dot span{width:8px;height:8px;border-radius:999px;background:transparent}.recharge-v2__channel.is-active .recharge-v2__channel-dot span{background:#8a63ff}.recharge-v2__submit{text-align:center}.recharge-v2__pay-button{width:100%;min-height:64px;border:0;border-radius:20px;background:linear-gradient(90deg,#ff4d4d,#ff3b30);color:#fff;font-size:1.1rem;font-weight:800;cursor:pointer;box-shadow:0 8px 20px #ff3b3066}.recharge-v2__pay-button:disabled{cursor:not-allowed;opacity:.7}.recharge-v2__submit p{margin-top:16px;font-size:.78rem}.recharge-v2__meta{display:grid;gap:8px;padding-top:8px;border-top:1px solid rgba(229,231,235,.8);font-size:.85rem}.recharge-v2__order{padding-top:8px;border-top:1px solid rgba(229,231,235,.8)}.recharge-v2__order-head,.recharge-v2__footer-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.recharge-v2__order-grid{display:grid;gap:16px}.recharge-v2__order-info{display:grid;gap:8px}.recharge-v2__order-qr{display:grid;gap:12px}.recharge-v2__empty,.recharge-v2__notice{padding:16px 18px;border-radius:18px;background:#ffffffb8;color:#6b7280;text-align:center}.recharge-v2__notice--error{background:#fef2f2e6;color:#b91c1c}.account-panel{padding:24px;display:grid;gap:18px}.account-panel__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.account-panel__head h2{margin:0 0 6px}.account-panel__head p{margin:0;color:var(--muted)}.account-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.account-filters--three{grid-template-columns:repeat(3,minmax(0,1fr))}.account-tabs{display:flex;flex-wrap:wrap;gap:10px}.account-tab{min-height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#ffffff8f;cursor:pointer}.account-tab.is-active{background:var(--accent);border-color:var(--accent);color:#fffaf4}.account-filter-text{min-height:48px;padding:12px 14px;border-radius:16px;border:1px solid var(--line);background:#ffffff8f}.account-record-table__head,.account-record-row{display:grid;grid-template-columns:minmax(140px,1.1fr) minmax(120px,.9fr) minmax(120px,1fr) minmax(220px,1.6fr) minmax(160px,1.2fr);gap:14px}.account-record-table__head{padding:0 18px;color:var(--muted);font-size:.9rem}.account-record-row,.activation-list{gap:12px}.account-record-row,.activation-item{padding:16px 18px;border-radius:20px;background:#ffffffad;border:1px solid rgba(29,26,23,.08)}.account-record-cell{display:grid;gap:6px;align-content:start}.account-record-cell strong,.activation-item strong{font-size:1rem}.account-record-cell p,.activation-item p{margin:0}.account-record-label{display:none;color:var(--muted);font-size:.84rem}.account-record-cell .flow-tag,.account-record-cell .status-chip{justify-self:start}.flow-tag{padding:6px 10px;border-radius:999px;font-size:.82rem;font-weight:700}.flow-tag--in{background:#47a76a24;color:#1d7a3f}.flow-tag--out{background:#c55a1124;color:var(--accent)}.recharge-context,.recharge-result{display:grid;gap:10px;color:var(--muted)}.recharge-context p,.recharge-result p,.recharge-submit p,.recharge-package p{margin:0}.recharge-actions,.recharge-submit,.recharge-channel-list{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.recharge-submit{justify-content:space-between;margin-top:8px;padding-top:18px;border-top:1px solid var(--line)}.recharge-package-list{display:grid;gap:12px}.recharge-package{padding:18px;border-radius:20px;border:1px solid var(--line);background:#ffffffad;text-align:left;cursor:pointer}.recharge-package.is-active{border-color:var(--accent);background:#ffe4c6b8}.status-chip{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 14px;border-radius:999px;font-size:.88rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em}.status-chip--pending,.status-chip--paying{background:#ecb33529;color:#9b6200}.status-chip--paid{background:#47a76a29;color:#1d7a3f}.status-chip--closed,.status-chip--failed{background:#c55a1124;color:var(--accent)}.activation-list{display:grid;gap:12px}.activation-item{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.recharge-package strong,.recharge-package span{display:block}.recharge-package span{margin-top:8px;font-size:1.35rem;font-weight:700}.recharge-channel{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:#ffffff85}.payment-order-panel,.payment-result-card{gap:20px}.payment-order-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(280px,1fr);gap:18px;align-items:start}.payment-qr-panel,.payment-result-card__status{display:grid;gap:12px}.payment-result-layout{display:grid;grid-template-columns:minmax(0,1fr)}.payment-qr{display:grid;place-items:center;min-height:320px;padding:20px;border-radius:24px;border:1px solid var(--line);background:#ffffffc7}.payment-qr svg{width:min(280px,100%);height:auto}.payment-qr--fallback{align-content:center;justify-items:start;color:var(--muted)}.payment-qr--fallback p{margin:0}.payment-qr--fallback code{width:100%;padding:12px;border-radius:16px;background:#1d1a170f;color:var(--ink);overflow-wrap:anywhere}.activation-item span{color:var(--accent);font-weight:700}.account-pagination{display:flex;align-items:center;justify-content:flex-end;gap:12px}@media (max-width: 960px){.home-v2__product-grid,.home-v2__capability-grid,.home-site-grid,.home-ability-grid,.home-usage-flow,.hero,.site-hero,.capabilities,.card-grid,.workspace-preview,.form-grid,.account-summary-strip,.account-v2__detail-grid,.recharge-layout,.account-filters,.payment-order-layout{grid-template-columns:1fr}.hero__content h1,.site-hero__content h1{font-size:clamp(2.3rem,11vw,3.3rem)}.account-panel__head,.account-page__top,.account-balance-bar,.account-record-row,.activation-item{flex-direction:column}.account-record-table__head{display:none}.account-record-row{grid-template-columns:1fr}.account-record-label{display:block}}@media (max-width: 640px){.shell{width:min(100vw - 20px,1180px);padding:18px 0 48px}.home-v2__header-inner,.home-v2__hero-inner,.home-v2__section-inner,.home-v2__footer-inner{width:min(100vw - 20px,1280px);padding-left:10px;padding-right:10px}.home-v2__header-inner{min-height:72px;flex-direction:column;align-items:stretch;justify-content:center;padding-top:14px;padding-bottom:14px}.home-v2__header-actions{justify-content:flex-start}.home-v2__brand-name{font-size:26px}.home-v2__hero{padding:88px 0 96px}.home-v2__hero h1{font-size:clamp(44px,14vw,60px)}.home-v2__hero-subtitle{font-size:18px}.home-v2__hero-desc{font-size:16px}.home-v2__section{padding:72px 0}.home-v2__section-desc{margin-bottom:32px}.home-product-card,.home-capability-card,.home-v2__teacher-placeholder{padding:24px;border-radius:22px}.home-v2__teacher-placeholder{min-height:180px}.auth-v2-backdrop{padding:16px}.auth-v2-dialog{border-radius:28px;padding:24px}.auth-v2-dialog__head h2{font-size:28px}.auth-v2-dialog__qr-panel{padding:32px 18px}.auth-v2-dialog__footer{flex-direction:column;align-items:stretch}.home-topbar,.home-nav,.home-hero,.home-section,.home-footer{border-radius:22px}.home-topbar{flex-direction:column;align-items:stretch;padding:18px 20px}.home-topbar__right{justify-content:flex-start}.home-nav,.home-hero,.home-section{padding:20px}.home-usage-step{justify-content:space-between}.topbar,.dialog__head{border-radius:24px;flex-direction:column;align-items:stretch}.hero__content,.site-hero__content,.hero__panel,.rule-card,.site-card,.workspace-card,.capability{padding:20px;border-radius:22px}.rule-card__grid,.field__inline{grid-template-columns:1fr}}
