:root{--brand-indigo: #4338ca;--brand-indigo-dark: #312e81;--brand-indigo-light: #6366f1;--brand-coral: #f97316;--brand-coral-dark: #ea580c;--brand-coral-light: #fb923c;--brand-gold: #eab308;--ink-900: #1e1b2e;--ink-800: #2d2a40;--ink-700: #3f3b52;--ink-600: #57536b;--ink-500: #736c8a;--ink-400: #9b95ad;--ink-300: #c4bfd2;--ink-200: #e4e0ee;--ink-100: #f3f1f9;--ink-50: #f9f8fc;--bg: #faf9fd;--surface: #ffffff;--surface-muted: #f4f2fa;--border: #ebe8f3;--text: var(--ink-800);--text-muted: var(--ink-500);--text-strong: var(--ink-900);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 28px;--radius-full: 9999px;--shadow-xs: 0 1px 2px rgba(49, 46, 129, .06);--shadow-sm: 0 2px 8px rgba(49, 46, 129, .08);--shadow-md: 0 8px 24px rgba(49, 46, 129, .1);--shadow-lg: 0 18px 48px rgba(49, 46, 129, .14);--shadow-brand: 0 10px 30px rgba(67, 56, 202, .28);--shadow-coral: 0 10px 30px rgba(249, 115, 22, .3);--ease-out-quart: cubic-bezier(.25, 1, .5, 1);--ease-out-back: cubic-bezier(.34, 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var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xs);transition:transform .4s var(--ease-out-quart),box-shadow .4s var(--ease-out-quart)}@media(min-width:640px){.coupon-card{flex-direction:row}}.coupon-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.coupon-card__face{background:linear-gradient(135deg,#eef2ff,#fff7ed);padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;position:relative;border-bottom:1px dashed var(--ink-300)}@media(min-width:640px){.coupon-card__face{width:220px;border-bottom:0;border-right:1px dashed var(--ink-300)}}.coupon-card__reward-label{font-size:12px;color:var(--brand-indigo);font-weight:700;margin-bottom:6px;letter-spacing:.04em}.coupon-card__reward{font-size:1.3rem;font-weight:900;color:var(--brand-indigo);line-height:1.2}.coupon-card__valid{margin-top:12px;font-size:12px;color:var(--ink-500);background:#fff;border:1px solid var(--border);border-radius:var(--radius-full);padding:2px 10px}.coupon-card__body{padding:24px;flex:1}.coupon-card__title{font-size:1.1rem;font-weight:800;color:var(--text-strong);margin-bottom:8px}.coupon-card__excerpt{font-size:14px;color:var(--text-muted);margin-bottom:12px}.details-toggle{cursor:pointer;font-size:14px;font-weight:600;color:var(--brand-indigo);display:inline-flex;align-items:center;gap:6px;list-style:none}.details-toggle .icon{width:16px;height:16px;transition:transform .2s ease}details[open] .details-toggle .icon{transform:rotate(90deg)}.details-toggle::-webkit-details-marker{display:none}.code-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px}.code-row__label{font-size:14px;color:var(--text-muted)}.code-row__code{background:var(--surface-muted);padding:7px 14px;border-radius:var(--radius-sm);font-family:JetBrains Mono,monospace;font-weight:800;color:var(--brand-indigo);-webkit-user-select:all;user-select:all}.slider{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-sm)}.slider__progress{padding:22px 28px 0}.slider__progress-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;font-size:14px;gap:16px}.slider__progress-cur{font-weight:700;color:var(--text-strong)}.slider__progress-title{color:var(--text-muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.slider__bar{height:6px;background:var(--ink-100);border-radius:var(--radius-full);overflow:hidden}.slider__bar-fill{height:100%;background:linear-gradient(90deg,var(--brand-indigo),var(--brand-coral));border-radius:var(--radius-full);transition:width .5s var(--ease-out-quart)}.slider__viewport{overflow:hidden}.slider__track{display:flex;transition:transform .5s var(--ease-out-quart);will-change:transform}.slider__slide{flex:0 0 100%;padding:28px}.slider__slide-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:start}@media(min-width:640px){.slider__slide-grid{grid-template-columns:1fr 1fr}}.step-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);background:var(--surface-muted);min-height:200px;display:flex;align-items:center;justify-content:center;position:relative;background-image:radial-gradient(circle,var(--ink-200) 1px,transparent 1px);background-size:16px 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#4338ca1f}.field__error{display:block;font-size:13px;color:#dc2626;margin-top:6px}.dash-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:20px}@media(min-width:640px){.dash-grid{grid-template-columns:repeat(2,1fr)}}.dash-stat{background:var(--surface-muted);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px}.dash-stat__label{font-size:13px;color:var(--text-muted);margin-bottom:4px}.dash-stat__value{font-size:1.5rem;font-weight:800;color:var(--text-strong)}.header-actions{display:flex;align-items:center;gap:4px;flex-shrink:0;margin-left:8px}.header-actions .main-nav__link,.header-actions form{position:relative}.header-login{margin-left:4px}.header-account{display:none;align-items:center;gap:2px;padding-left:10px;margin-left:4px;border-left:1px solid var(--border)}@media(min-width:768px){.header-account{display:flex}}.header-account .main-nav__link{padding:8px 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var(--border);border-radius:var(--radius-md)}.drawer-invite__label{display:block;font-size:12px;color:var(--ink-500);margin-bottom:8px}.drawer-invite__row{display:flex;align-items:center;gap:12px}.drawer-invite__code{font-size:1.4rem;font-weight:900;letter-spacing:.12em;color:var(--brand-indigo);flex:1}.drawer-invite__copy{background:linear-gradient(135deg,var(--brand-indigo),var(--brand-indigo-light));color:#fff;font-size:13px;font-weight:700;padding:8px 16px;border-radius:var(--radius-sm)}.hero__inner--split{align-items:center}.hero__value{min-width:0}.hero__rewards{background:#ffffff1a;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:20px;color:#fff;margin-top:4px}.hero__rewards-title{font-size:12px;color:#c7d2fe;font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin:0 0 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55%,#4338ca);border-radius:var(--radius-xl);padding:32px;color:#fff;isolation:isolate}.home-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.home-cta__title{color:#fff;font-size:1.5rem;font-weight:800;margin-bottom:6px}.home-cta__desc{color:#c7d2fe;font-size:15px;margin:0}.home-cta__actions{display:flex;gap:10px;flex-wrap:wrap}.guide-layout{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}@media(min-width:1024px){.guide-layout{grid-template-columns:minmax(0,1fr) 260px}}.guide-main{min-width:0}.guide-header{margin-bottom:28px}.step-timeline{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:20px}.step-timeline__item{display:grid;grid-template-columns:48px 1fr;gap:18px;align-items:start;scroll-margin-top:calc(var(--header-h) + 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var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-xs);min-width:0}.step-timeline__head{margin-bottom:12px}.step-timeline__label{display:inline-block;font-size:12px;font-weight:700;color:var(--brand-indigo);margin-bottom:6px}.step-timeline__title{font-size:1.25rem;font-weight:800;color:var(--text-strong);line-height:1.3}.step-timeline__figure{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border);margin:14px 0}.step-timeline__figure img{width:100%;height:auto}.step-timeline__content{font-size:15px}.guide-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:32px;padding:20px 24px;background:var(--surface-muted);border:1px solid var(--border);border-radius:var(--radius-lg)}.guide-foot p{margin:0;font-size:14px;color:var(--text-muted)}.guide-toc{display:none}@media(min-width:1024px){.guide-toc{display:block;position:sticky;top:calc(var(--header-h) + 24px)}}.guide-toc__inner{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-xs);max-height:calc(100vh - var(--header-h) - 48px);overflow-y:auto}.guide-toc__title{font-size:12px;font-weight:700;color:var(--ink-500);letter-spacing:.04em;text-transform:uppercase;margin:0 0 12px}.guide-toc__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.guide-toc__link{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);color:var(--ink-600);font-size:13px;line-height:1.4;transition:background-color .15s ease,color .15s ease}.guide-toc__link:hover{background:var(--ink-50);color:var(--brand-indigo)}.guide-toc__link.is-current{background:#eef2ff;color:var(--brand-indigo);font-weight:700}.guide-toc__num{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--ink-100);color:var(--ink-500);font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.guide-toc__link.is-current .guide-toc__num{background:var(--brand-indigo);color:#fff}.guide-toc__text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.accordion{display:flex;flex-direction:column;gap:12px}.accordion__item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}.accordion__item[open]{border-color:var(--brand-indigo-light);box-shadow:var(--shadow-sm)}.accordion__head{display:flex;align-items:center;gap:14px;padding:18px 20px;cursor:pointer;list-style:none}.accordion__head::-webkit-details-marker{display:none}.accordion__mark{width:44px;height:44px;border-radius:var(--radius-md);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;font-weight:900;flex-shrink:0}.accordion__mark--indigo{background:linear-gradient(135deg,var(--brand-indigo),var(--brand-indigo-light))}.accordion__mark--coral{background:linear-gradient(135deg,var(--brand-coral),var(--brand-coral-light))}.accordion__mark--emerald{background:linear-gradient(135deg,#10b981,#34d399)}.accordion__mark--violet{background:linear-gradient(135deg,#7c3aed,#a78bfa)}.accordion__title-wrap{flex:1;min-width:0}.accordion__title{display:block;font-weight:800;font-size:1.05rem;color:var(--text-strong);line-height:1.35;margin-bottom:6px}.accordion__meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.accordion__steps{font-size:13px;color:var(--ink-400)}.accordion__icon{width:22px;height:22px;color:var(--ink-400);flex-shrink:0;transition:transform .25s var(--ease-out-quart)}.accordion__item[open] .accordion__icon{transform:rotate(180deg);color:var(--brand-indigo)}.accordion__body{padding:0 20px 20px 78px}.accordion__excerpt{font-size:14px;color:var(--text-muted);line-height:1.65;margin:0 0 14px}@media(max-width:640px){.accordion__body{padding-left:20px}}.task-track{display:flex;flex-direction:column;gap:14px}.task-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xs);transition:transform .3s var(--ease-out-quart),box-shadow .3s var(--ease-out-quart)}.task-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.task-card__bar{height:5px;background:var(--ink-100)}.task-card__bar-fill{height:100%;background:linear-gradient(90deg,var(--brand-coral),var(--brand-indigo));transition:width .6s var(--ease-out-quart)}.task-card__body{padding:18px 22px}.task-card__head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}.task-card__progress{margin-left:auto;font-size:12px;color:var(--ink-400)}.task-card__title{font-weight:800;font-size:1.1rem;color:var(--text-strong);margin-bottom:12px}.ticket-grid{display:grid;grid-template-columns:1fr;gap:18px}@media(min-width:640px){.ticket-grid{grid-template-columns:repeat(2,1fr)}}.ticket{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xs);transition:transform .3s var(--ease-out-quart),box-shadow .3s var(--ease-out-quart)}.ticket:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.ticket__notch{position:absolute;top:96px;width:22px;height:22px;border-radius:50%;background:var(--bg);border:1px solid var(--border);z-index:2}.ticket__notch--left{left:-11px}.ticket__notch--right{right:-11px}.ticket__top{padding:22px;background:linear-gradient(135deg,#eef2ff,#fff7ed);border-bottom:1px dashed var(--ink-300);text-align:center}.ticket__reward-label{font-size:12px;color:var(--brand-indigo);font-weight:700;letter-spacing:.04em;margin-bottom:6px}.ticket__reward{font-size:1.4rem;font-weight:900;color:var(--brand-indigo);line-height:1.2}.ticket__valid{display:inline-block;margin-top:12px;font-size:12px;color:var(--ink-500);background:#fff;border:1px solid var(--border);border-radius:var(--radius-full);padding:2px 10px}.ticket__body{padding:22px}.ticket__title{font-size:1.1rem;font-weight:800;color:var(--text-strong);margin-bottom:8px}.ticket__excerpt{font-size:14px;color:var(--text-muted);margin-bottom:12px}.ticket__details{margin-bottom:12px}.filter-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--border)}.filter-bar__chip{padding:8px 16px;border-radius:var(--radius-full);background:var(--surface);border:1px solid var(--border);font-size:13.5px;font-weight:600;color:var(--ink-600);transition:background-color .2s ease,color .2s ease,border-color .2s ease}.filter-bar__chip:hover{border-color:var(--brand-indigo-light);color:var(--brand-indigo)}.filter-bar__chip.is-active{background:linear-gradient(135deg,var(--brand-indigo),var(--brand-indigo-light));color:#fff;border-color:transparent}.faq-group{margin-bottom:32px}.faq-group[hidden]{display:none}.faq-group__title{font-size:1.15rem;font-weight:800;color:var(--text-strong);margin-bottom:12px}.faq-group__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.faq-row{display:flex;align-items:center;gap:14px;padding:14px 18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text);transition:transform .25s var(--ease-out-quart),box-shadow .25s var(--ease-out-quart),border-color .25s ease}.faq-row:hover{color:var(--text);transform:translate(4px);box-shadow:var(--shadow-sm);border-color:var(--brand-indigo-light)}.faq-row__q{flex:1;font-size:14.5px;font-weight:600;color:var(--ink-700);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.faq-row:hover .faq-row__q{color:var(--brand-indigo)}.faq-row__excerpt{font-size:12.5px;color:var(--ink-400);max-width:40%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.faq-row__arrow{width:16px;height:16px;color:var(--ink-300);flex-shrink:0;transition:transform .2s ease,color .2s ease}.faq-row:hover .faq-row__arrow{color:var(--brand-indigo);transform:translate(3px)}@media(max-width:640px){.faq-row__excerpt{display:none}}.qa-tldr{display:flex;flex-direction:column;gap:6px;padding:14px 18px;margin-bottom:20px;background:linear-gradient(135deg,#eef2ff,#fff7ed);border:1px solid var(--border);border-left:4px solid var(--brand-indigo);border-radius:var(--radius-md)}.qa-tldr__label{font-size:12px;font-weight:700;color:var(--brand-indigo);letter-spacing:.04em}.qa-tldr__text{font-size:14.5px;color:var(--text-strong);line-height:1.6;margin:0}