@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap";:root{--color-bg:#eef1f9;--color-bg-raised:#f7f8fd;--color-bg-card:#ffffffb8;--color-surface:#fff;--color-border:#1c296014;--color-border-hover:#1c296029;--color-text:#1c2960;--color-text-muted:#566191;--color-text-dim:#8b94b9;--color-accent:#5b63f0;--color-accent-light:#7d80ff;--color-accent-glow:#5b63f059;--color-accent-soft:#5b63f01a;--color-secondary:#f7924d;--color-secondary-light:#ffb075;--color-secondary-glow:#f7924d47;--color-secondary-soft:#f7924d1f;--color-success:#22a06b;--gradient-brand:linear-gradient(100deg, #3e7df5 0%, #7a63f2 52%, #ef8b62 100%);--gradient-cta:linear-gradient(135deg, #5b6cf6 0%, #7c5ff2 100%);--gradient-tile:linear-gradient(135deg, #5b6cf61f 0%, #f7924d1f 100%);--font-display:"Plus Jakarta Sans", "Inter", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--text-5xl:3rem;--text-6xl:3.75rem;--text-7xl:4.5rem;--leading-tight:1.12;--leading-snug:1.3;--leading-normal:1.65;--tracking-tight:-.02em;--tracking-normal:0;--tracking-wide:.05em;--tracking-wider:.12em;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--space-4xl:6rem;--space-5xl:8rem;--section-py:clamp(5rem, 10vw, 8rem);--container:1200px;--container-narrow:800px;--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px;--shadow-glow:0 18px 50px #5b63f02e;--shadow-card:0 2px 6px #1c29600a, 0 14px 40px #1c296014;--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.5s cubic-bezier(.16, 1, .3, 1);--blur-glass:18px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-text);background-color:var(--color-bg);background-image:radial-gradient(55% 42% at 12% 8%,#5b6cf624 0%,#0000 65%),radial-gradient(50% 38% at 88% 12%,#f7924d1f 0%,#0000 65%),radial-gradient(45% 40% at 78% 82%,#7a63f21a 0%,#0000 65%),linear-gradient(#edf0fa 0%,#f7f8fd 100%);overflow-x:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}img{max-width:100%;display:block}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}.container--narrow{max-width:var(--container-narrow)}.section-label{font-family:var(--font-display);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:var(--tracking-wider);color:var(--color-accent);margin-bottom:var(--space-lg);font-weight:700;display:inline-block}.section-headline{font-family:var(--font-display);font-size:clamp(2rem,4.4vw,3.1rem);font-weight:700;line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);color:var(--color-text);white-space:pre-line}.section-subheadline{font-size:clamp(var(--text-base), 2vw, var(--text-lg));line-height:var(--leading-normal);color:var(--color-text-muted);max-width:620px;margin-top:var(--space-lg)}.gradient-text{background:var(--gradient-brand);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text}.glass{background:var(--color-bg-card);-webkit-backdrop-filter:blur(var(--blur-glass));box-shadow:var(--shadow-card);border:1px solid #ffffffbf}:lang(zh-CN) .section-headline{letter-spacing:0;line-height:1.3}:lang(zh-CN) .hero__headline{letter-spacing:0;line-height:1.28}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:#c6cde8;border-radius:3px}::selection{background:var(--color-accent);color:#fff}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.btn{justify-content:center;align-items:center;gap:var(--space-sm);font-family:var(--font-display);transition:all var(--transition-base);white-space:nowrap;border-radius:999px;font-weight:600;display:inline-flex;position:relative}.btn--md{font-size:var(--text-sm);padding:.7rem 1.5rem}.btn--lg{font-size:var(--text-base);padding:.95rem 2.1rem}.btn--primary{background:var(--gradient-cta);color:#fff;box-shadow:0 8px 24px var(--color-accent-glow)}.btn--primary:hover{box-shadow:0 12px 32px var(--color-accent-glow);filter:brightness(1.06);transform:translateY(-2px)}.btn--primary:active{transform:translateY(0)}.btn__glow{border-radius:inherit;pointer-events:none;background:linear-gradient(#ffffff47 0%,#0000 55%);position:absolute;inset:0}.btn--ghost{color:var(--color-text);-webkit-backdrop-filter:blur(8px);background:#ffffffb3;border:1px solid #fffffff2;box-shadow:0 4px 14px #1c296012}.btn--ghost:hover{border-color:var(--color-border-hover);transform:translateY(-2px);box-shadow:0 8px 22px #1c29601a}.btn__label{z-index:1;position:relative}.navbar{z-index:100;padding:var(--space-lg) 0;transition:all var(--transition-base);position:fixed;top:0;left:0;right:0}.navbar--scrolled{padding:var(--space-md) 0;-webkit-backdrop-filter:blur(var(--blur-glass));background:#ffffffbf;border-bottom:1px solid #ffffffe6;box-shadow:0 4px 24px #1c29600f}.navbar__inner{justify-content:space-between;align-items:center;display:flex}.navbar__brand{font-family:var(--font-display);font-size:var(--text-xl);letter-spacing:var(--tracking-tight);color:var(--color-text);align-items:center;gap:.6rem;font-weight:700;display:flex}.navbar__logo-icon{flex-shrink:0;width:44px;height:auto}.navbar__links{gap:var(--space-xl);display:flex}.navbar__link{font-size:var(--text-sm);color:var(--color-text-muted);transition:color var(--transition-fast);font-weight:500}.navbar__link:hover{color:var(--color-text)}.navbar__actions{align-items:center;gap:var(--space-md);display:flex}.navbar__lang{font-size:var(--text-sm);color:var(--color-text-muted);border:1px solid var(--color-border);cursor:pointer;transition:color var(--transition-fast), border-color var(--transition-fast);background:#fff9;border-radius:999px;padding:.35em .85em;font-weight:500}.navbar__lang:hover{color:var(--color-text);border-color:var(--color-border-hover)}.navbar__burger{background:0 0;flex-direction:column;gap:5px;width:28px;padding:4px 0;display:none}.navbar__burger span{background:var(--color-text-muted);width:100%;height:2px;transition:all var(--transition-fast);border-radius:1px;display:block}.navbar__burger.open span:first-child{transform:rotate(45deg)translate(5px,5px)}.navbar__burger.open span:nth-child(2){opacity:0}.navbar__burger.open span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}.navbar__mobile{align-items:center;gap:var(--space-lg);padding:var(--space-xl) 0 var(--space-2xl);-webkit-backdrop-filter:blur(var(--blur-glass));backdrop-filter:blur(var(--blur-glass));border-bottom:1px solid var(--color-border);background:#ffffffeb;flex-direction:column;display:flex;overflow:hidden}.navbar__mobile-link{font-size:var(--text-lg);color:var(--color-text-muted);font-weight:500}.navbar__mobile-cta{margin-top:var(--space-sm)}@media (width<=768px){.navbar__links,.navbar__actions{display:none}.navbar__burger{display:flex}}.hero{align-items:center;min-height:88vh;padding:8.5rem 0 4.5rem;display:flex;position:relative;overflow:hidden}.hero__streaks{pointer-events:none;opacity:.5;background:repeating-linear-gradient(105deg,#0000 0 180px,#ffffff80 260px,#0000 340px);position:absolute;inset:-20% -10%}.hero__grid{grid-template-columns:minmax(0,1fr) minmax(0,.92fr);align-items:center;gap:clamp(2.5rem,6vw,5rem);display:grid;position:relative}.hero__copy{flex-direction:column;align-items:flex-start;display:flex}.hero__micro{align-items:center;gap:var(--space-sm);display:inline-flex}.hero__micro:before{content:"✦";background:var(--gradient-brand);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.05em}.hero__micro{font-family:var(--font-display);font-size:var(--text-sm);color:var(--color-accent);-webkit-backdrop-filter:blur(8px);margin-bottom:var(--space-xl);background:#ffffffa6;border:1px solid #ffffffe6;border-radius:999px;padding:.45rem 1.15rem;font-weight:600;box-shadow:0 4px 16px #1c29600f}.hero__headline{font-family:var(--font-display);letter-spacing:var(--tracking-tight);color:var(--color-text);white-space:pre-line;margin-bottom:var(--space-xl);font-size:clamp(2.6rem,5vw,4rem);font-weight:800;line-height:1.08}.hero__sub{font-size:clamp(var(--text-base), 2vw, var(--text-lg));line-height:var(--leading-normal);color:var(--color-text-muted);max-width:480px;margin-bottom:var(--space-2xl)}.hero__ctas{gap:var(--space-md);flex-wrap:wrap;display:flex}.hero__visual{justify-content:center;display:flex;position:relative}.hero__loop{z-index:1;filter:saturate(1.05)drop-shadow(0 24px 40px #1c296024);width:100%;max-width:560px;position:relative}.hero__visual-glow{aspect-ratio:1.6;filter:blur(30px);pointer-events:none;background:radial-gradient(45% 45% at 35%,#3e7df547 0%,#0000 70%),radial-gradient(45% 45% at 70% 45%,#ef8b623d 0%,#0000 70%);width:90%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.hero__pedestal{filter:blur(10px);pointer-events:none;background:radial-gradient(50% 50%,#1c296029 0%,#0000 75%);border-radius:50%;width:72%;height:34px;position:absolute;bottom:6%;left:50%;transform:translate(-50%)}@media (width<=900px){.hero{min-height:0;padding:7.5rem 0 3.5rem}.hero__grid{grid-template-columns:1fr}.hero__visual{order:-1}.hero__loop{max-width:380px}}.trust{padding:var(--space-2xl) 0 var(--space-4xl)}.trust__grid{background:var(--color-bg-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(var(--blur-glass));border:1px solid #fffc;grid-template-columns:repeat(4,1fr);display:grid;overflow:hidden}.trust__item{gap:var(--space-xs);padding:var(--space-xl) var(--space-xl);border-left:1px solid var(--color-border);text-align:left;flex-direction:column;display:flex}.trust__item:first-child{border-left:none}.trust__value{font-family:var(--font-display);font-size:clamp(var(--text-3xl), 3.4vw, var(--text-4xl));letter-spacing:var(--tracking-tight);background:var(--gradient-brand);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:800}.trust__label{font-size:var(--text-sm);color:var(--color-text-muted);font-weight:500}@media (width<=768px){.trust__grid{grid-template-columns:repeat(2,1fr)}.trust__item:nth-child(3){border-left:none}.trust__item:nth-child(n+3){border-top:1px solid var(--color-border)}}@media (width<=480px){.trust__grid{grid-template-columns:1fr}.trust__item{border-left:none}.trust__item:nth-child(n+2){border-top:1px solid var(--color-border)}}.services{padding:var(--section-py) 0}.services__header{margin-bottom:var(--space-3xl)}.services__grid{gap:var(--space-lg);grid-template-columns:repeat(3,1fr);display:grid}.service-card{padding:var(--space-xl);background:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(var(--blur-glass));transition:transform var(--transition-base), box-shadow var(--transition-base);border:1px solid #fffc}.service-card:hover{transform:translateY(-4px);box-shadow:0 6px 12px #1c29600d,0 24px 56px #1c29601f}.service-card__icon{border-radius:var(--radius-md);background:var(--gradient-tile);width:46px;height:46px;color:var(--color-accent);margin-bottom:var(--space-lg);justify-content:center;align-items:center;display:flex}.service-card__title{font-family:var(--font-display);font-size:var(--text-lg);margin-bottom:var(--space-sm);color:var(--color-text);font-weight:700}.service-card__desc{font-size:var(--text-sm);line-height:var(--leading-normal);color:var(--color-text-muted)}@media (width<=1024px){.services__grid{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.services__grid{grid-template-columns:1fr}}.why{padding:var(--section-py) 0}.why__header{margin-bottom:var(--space-3xl)}.why__points{gap:var(--space-2xl) var(--space-3xl);margin-bottom:var(--space-4xl);grid-template-columns:repeat(2,1fr);display:grid}.why__point{padding-left:var(--space-lg);position:relative}.why__point:before{content:"";background:var(--gradient-cta);border-radius:50%;width:8px;height:8px;position:absolute;top:.5em;left:0}.why__point-title{font-family:var(--font-display);font-size:var(--text-lg);margin-bottom:var(--space-sm);color:var(--color-text);font-weight:700}.why__point-desc{font-size:var(--text-sm);line-height:var(--leading-normal);color:var(--color-text-muted)}.why__comparison{gap:var(--space-lg);grid-template-columns:repeat(2,1fr);display:grid}.comp{padding:var(--space-2xl);border-radius:var(--radius-lg)}.comp--before{border:1px solid var(--color-border);background:#ffffff73}.comp--after{background:linear-gradient(#ffffffeb, #ffffffeb) padding-box, var(--gradient-brand) border-box;box-shadow:var(--shadow-card);border:1px solid #0000}.comp__label{font-family:var(--font-display);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:var(--tracking-wider);color:var(--color-text-dim);margin-bottom:var(--space-xl);font-weight:700}.comp__label--accent{color:var(--color-accent)}.comp__list{gap:var(--space-md);flex-direction:column;list-style:none;display:flex}.comp__item{align-items:flex-start;gap:var(--space-sm);font-size:var(--text-sm);line-height:1.5;display:flex}.comp__item--before{color:var(--color-text-dim)}.comp__item--before .icon{color:#ef645099;margin-top:2px}.comp__item--after{color:var(--color-text-muted)}.comp__item--after .icon{color:var(--color-accent);margin-top:2px}@media (width<=768px){.why__points{gap:var(--space-xl);grid-template-columns:1fr}.why__comparison{grid-template-columns:1fr}}.process{padding:var(--section-py) 0}.process__header{margin-bottom:var(--space-3xl)}.process__steps{gap:var(--space-xl);grid-template-columns:repeat(4,1fr);display:grid;position:relative}.process__steps:before{content:"";border-top:2px dashed #5b63f038;position:absolute;top:24px;left:24px;right:calc(25% - 48px)}.step{position:relative}.step__number{background:var(--gradient-cta);color:#fff;width:48px;height:48px;font-family:var(--font-display);font-size:var(--text-base);box-shadow:0 8px 20px var(--color-accent-glow);margin-bottom:var(--space-lg);border-radius:50%;justify-content:center;align-items:center;font-weight:700;display:flex;position:relative}.step__connector{display:none}.step__title{font-family:var(--font-display);font-size:var(--text-xl);margin-bottom:var(--space-sm);color:var(--color-text);font-weight:700}.step__desc{font-size:var(--text-sm);line-height:var(--leading-normal);color:var(--color-text-muted);max-width:26em}@media (width<=1024px){.process__steps{gap:var(--space-2xl) var(--space-xl);grid-template-columns:repeat(2,1fr)}.process__steps:before{display:none}}@media (width<=640px){.process__steps{grid-template-columns:1fr}}.pricing{padding:var(--section-py) 0}.pricing__header{margin-bottom:var(--space-3xl)}.pricing__grid{gap:var(--space-lg);grid-template-columns:repeat(3,1fr);align-items:start;display:grid}.pricing-card{padding:var(--space-2xl);background:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(var(--blur-glass));transition:transform var(--transition-base), box-shadow var(--transition-base);border:1px solid #fffc;flex-direction:column;display:flex;position:relative}.pricing-card:hover{transform:translateY(-4px)}.pricing-card--featured{background:linear-gradient(#fffffff0, #fffffff0) padding-box, var(--gradient-brand) border-box;box-shadow:var(--shadow-glow);border:1px solid #0000}.pricing-card__badge{font-family:var(--font-display);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:var(--tracking-wide);color:#fff;background:var(--gradient-cta);box-shadow:0 6px 16px var(--color-accent-glow);white-space:nowrap;border-radius:999px;padding:.3rem 1rem;font-weight:700;position:absolute;top:-13px;left:50%;transform:translate(-50%)}.pricing-card__head{margin-bottom:var(--space-xl)}.pricing-card__name{font-family:var(--font-display);font-size:var(--text-xl);color:var(--color-text);margin-bottom:var(--space-xs);font-weight:700}.pricing-card__desc{font-size:var(--text-sm);color:var(--color-text-muted);line-height:var(--leading-normal)}.pricing-card__price{align-items:baseline;gap:var(--space-xs);margin-bottom:var(--space-xl);padding-bottom:var(--space-xl);border-bottom:1px solid var(--color-border);display:flex}.pricing-card__amount{font-family:var(--font-display);font-size:var(--text-4xl);letter-spacing:var(--tracking-tight);color:var(--color-text);font-weight:800}.pricing-card--featured .pricing-card__amount{background:var(--gradient-brand);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.pricing-card__period{font-size:var(--text-sm);color:var(--color-text-dim);font-weight:500}.pricing-card__features{gap:var(--space-md);margin-bottom:var(--space-2xl);flex-direction:column;flex:1;list-style:none;display:flex}.pricing-card__feature{align-items:flex-start;gap:var(--space-sm);font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.5;display:flex}.pricing-card__feature .icon{color:var(--color-accent);flex-shrink:0;margin-top:2px}.pricing-card__cta{width:100%}.pricing-card__cta:disabled{opacity:.6;cursor:wait}@media (width<=1024px){.pricing__grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}.pricing-card--featured{order:-1}}.final-cta{padding:var(--section-py) 0;text-align:center;position:relative}.final-cta__inner{background:var(--color-bg-card);border-radius:var(--radius-xl);max-width:800px;box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(var(--blur-glass));border:1px solid #ffffffd9;margin:0 auto;padding:clamp(2.5rem,6vw,4.5rem) clamp(1.5rem,5vw,4rem);position:relative;overflow:hidden}.final-cta__inner:before{content:"";aspect-ratio:2;filter:blur(20px);pointer-events:none;background:radial-gradient(50% 60% at 35% 60%,#5b6cf629 0%,#0000 70%),radial-gradient(50% 60% at 68% 55%,#f7924d24 0%,#0000 70%);width:80%;position:absolute;top:-60%;left:50%;transform:translate(-50%)}.final-cta__headline{font-family:var(--font-display);font-size:clamp(var(--text-2xl), 4vw, var(--text-4xl));font-weight:800;line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);color:var(--color-text);margin-bottom:var(--space-xl);position:relative}.final-cta__sub{font-size:clamp(var(--text-sm), 2vw, var(--text-base));line-height:var(--leading-normal);color:var(--color-text-muted);margin-bottom:var(--space-2xl);max-width:560px;margin-left:auto;margin-right:auto;position:relative}.final-cta__actions{justify-content:center;align-items:center;gap:var(--space-xl);margin-bottom:var(--space-xl);flex-wrap:wrap;display:flex;position:relative}.final-cta__email{font-size:var(--text-sm);color:var(--color-text-muted);border-bottom:1px solid var(--color-border-hover);transition:all var(--transition-fast);padding-bottom:2px;font-weight:500}.final-cta__email:hover{color:var(--color-accent);border-color:var(--color-accent)}.final-cta__note{font-size:var(--text-xs);color:var(--color-text-dim);position:relative}.footer{padding:var(--space-xl) 0;border-top:1px solid var(--color-border)}.footer__inner{justify-content:space-between;align-items:center;gap:var(--space-md);flex-wrap:wrap;display:flex}.footer__brand{font-family:var(--font-display);font-weight:700;font-size:var(--text-sm);color:var(--color-text-muted)}.footer__copy{font-size:var(--text-xs);color:var(--color-text-dim)}.footer__links{gap:var(--space-lg);display:flex}.footer__link{font-size:var(--text-xs);color:var(--color-text-dim);transition:color var(--transition-fast)}.footer__link:hover{color:var(--color-accent)}@media (width<=640px){.footer__inner{text-align:center;flex-direction:column}}.checkout-toast{top:var(--space-xl);z-index:1000;align-items:flex-start;gap:var(--space-md);max-width:480px;width:calc(100% - var(--space-2xl));padding:var(--space-lg) var(--space-xl);border-radius:var(--radius-lg);border:1px solid var(--color-border);background:var(--color-bg-card);-webkit-backdrop-filter:blur(var(--blur-glass));backdrop-filter:blur(var(--blur-glass));box-shadow:var(--shadow-card);display:flex;position:fixed;left:50%;transform:translate(-50%)}.checkout-toast--success .checkout-toast__icon{color:var(--color-success)}.checkout-toast--cancel .checkout-toast__icon{color:var(--color-text-dim)}.checkout-toast__icon{flex-shrink:0;margin-top:2px}.checkout-toast__body{flex:1;min-width:0}.checkout-toast__title{font-size:var(--text-sm);color:var(--color-text);margin-bottom:2px;font-weight:600;display:block}.checkout-toast__message{font-size:var(--text-sm);color:var(--color-text-muted);line-height:var(--leading-normal)}.checkout-toast__close{color:var(--color-text-dim);transition:color var(--transition-fast);flex-shrink:0;padding:4px}.checkout-toast__close:hover{color:var(--color-text-muted)}