/* AI technology visual theme */
:root{--tech-bg:#070b16;--tech-panel:rgba(15,22,42,.82);--tech-line:rgba(130,164,255,.19);--tech-text:#edf4ff;--tech-muted:#9eacc5;--tech-cyan:#61e7ff;--tech-violet:#9d83ff;--tech-blue:#5d8dff;--tech-green:#76f7d0;--blue:#718cff;--ink:var(--tech-text);--muted:var(--tech-muted);--line:var(--tech-line);color-scheme:dark}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{position:relative;isolation:isolate;background:var(--tech-bg);color:var(--tech-text);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif}
body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 15% 8%,rgba(44,111,255,.18),transparent 32%),radial-gradient(ellipse at 88% 22%,rgba(117,67,255,.15),transparent 30%),linear-gradient(rgba(97,142,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(97,142,255,.045) 1px,transparent 1px);background-size:auto,auto,44px 44px,44px 44px;mask-image:linear-gradient(to bottom,#000 0%,#000 55%,transparent 100%)}
::selection{background:rgba(97,231,255,.3);color:#fff}
.header{height:74px;background:rgba(7,11,22,.78);border-bottom:1px solid rgba(128,158,255,.16);box-shadow:0 10px 40px rgba(0,0,0,.22);backdrop-filter:blur(18px)}
.nav{max-width:1240px}.logo{color:#f4f7ff}.logo-image img{width:34px;height:34px;object-fit:contain;border-radius:10px;filter:drop-shadow(0 0 12px rgba(97,231,255,.2))}
.nav nav{gap:32px;margin-left:0}.nav nav a{color:#aab8d0;transition:color .2s}.nav nav a:hover{color:var(--tech-cyan)}
.nav-button{border:1px solid rgba(97,231,255,.38);background:rgba(48,125,195,.12);color:#a3f2ff;border-radius:999px;padding:9px 17px;box-shadow:inset 0 0 18px rgba(97,231,255,.04),0 0 22px rgba(62,183,255,.08)}
.hero{padding-top:68px;background:transparent}.hero-inner{max-width:1240px;min-height:550px;gap:60px}.hero-copy{position:relative}.eyebrow{color:var(--tech-cyan);font-size:11px;letter-spacing:.15em;text-transform:uppercase}.hero .eyebrow{display:inline-flex;padding:8px 13px;border:1px solid rgba(97,231,255,.2);border-radius:999px;background:rgba(54,167,206,.08)}
.hero h1{font-size:clamp(42px,5.1vw,66px);line-height:1.08;letter-spacing:-.055em;color:#f5f8ff}.hero h1 span{background:linear-gradient(95deg,#77efff,#9c9aff 60%,#c9aaff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:none}
.selling-points{gap:9px;margin:23px 0}.selling-points span{border:1px solid rgba(140,169,255,.18);background:rgba(19,28,52,.7);color:#c2cee4;padding:7px 12px;border-radius:999px}
.purchase-capsule{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.limited-price{border:1px solid rgba(97,231,255,.25);background:linear-gradient(135deg,rgba(22,38,67,.94),rgba(19,25,48,.94));border-radius:15px;padding:12px 19px;box-shadow:0 12px 34px rgba(0,0,0,.2),inset 0 0 28px rgba(97,231,255,.04)}.limited-price small{color:#a1eefa}.limited-price p{color:#fff}.limited-price strong{font-size:46px;letter-spacing:-.06em}.limited-price del{color:#7786a1}.limited-price em{color:#aab8d0}.hero-actions{gap:12px;margin:0}.button{border-radius:11px;padding:14px 19px;transition:transform .2s,box-shadow .2s,border-color .2s}.button:hover,.self-service button:hover{transform:translateY(-2px)}.button.blue{color:#05111d;background:linear-gradient(110deg,#65e8ff,#8c9aff 80%);box-shadow:0 8px 30px rgba(75,187,255,.25)}.button.outline{border:1px solid rgba(154,178,255,.29);background:rgba(20,28,51,.62);color:#d2ddf4}
.numbers{margin-top:31px;color:#9aabc6}.numbers strong{color:#eff7ff}.numbers>i{border-color:rgba(159,183,255,.24)}.faces b{border-color:#111a2d}
.flow-card{position:relative;overflow:hidden;padding:32px;background:linear-gradient(150deg,rgba(18,30,57,.94),rgba(12,18,36,.91));border:1px solid rgba(135,169,255,.25);border-radius:20px;box-shadow:0 28px 75px rgba(0,0,0,.3),inset 0 1px rgba(255,255,255,.05)}.flow-card:before{content:"";position:absolute;width:230px;height:230px;right:-100px;top:-120px;border-radius:50%;background:rgba(92,132,255,.18);filter:blur(45px);pointer-events:none}.flow-kicker{color:var(--tech-cyan);letter-spacing:.16em}.flow-card h2{color:#f1f5ff}.flow-card article{border-color:rgba(146,171,231,.13)}.flow-card article>b{background:linear-gradient(140deg,#61e7ff,#7586ff);color:#071322;box-shadow:0 0 22px rgba(97,231,255,.2)}.flow-card h3{color:#ebf2ff}.flow-card article p{color:#9eacc5}.flow-card article.active{background:rgba(90,119,255,.08)}
.trustbar{max-width:1240px;color:#91a1bd;border-color:rgba(128,157,219,.14)}.trustbar>b{color:#d8e4f6}
.section{max-width:1240px;padding-top:100px;padding-bottom:100px}.section>header>p:last-child{color:#9eacc5}.section h2,.faq h2{color:#f0f5ff}.comparison-screen{max-width:none;padding-left:max(20px,calc((100% - 1200px)/2));padding-right:max(20px,calc((100% - 1200px)/2));background:linear-gradient(180deg,rgba(7,11,22,.1),rgba(15,21,41,.56),rgba(7,11,22,.1))}.comparison-screen:before,.comparison-screen:after{opacity:.25}.comparison-screen>header h2{color:#eff5ff;text-shadow:0 0 28px rgba(106,130,255,.24)}.comparison-screen>header .eyebrow{border:1px solid rgba(97,231,255,.18);background:rgba(32,139,173,.08);color:#7beaff}
.official-compare{border:1px solid rgba(134,164,255,.2);border-radius:16px;background:rgba(12,18,36,.72);box-shadow:0 25px 70px rgba(0,0,0,.26);backdrop-filter:blur(14px);overflow:hidden}.compare-row{color:#b8c6dc;border-color:rgba(134,164,255,.13)}.compare-row:hover{background:rgba(85,117,219,.075)}.compare-row.head{background:linear-gradient(100deg,rgba(30,44,77,.96),rgba(24,37,69,.96));color:#aebddd}.compare-row.head b{background:transparent;color:#e9f2ff}.compare-row.head b:nth-child(2),.compare-row strong{background:rgba(49,204,176,.08);color:#80f0d0}.compare-row.model-row span:nth-child(3){color:#f2c57e;background:rgba(179,127,32,.08)}.compare-row.model-row span:last-child{color:#ff9b9b;background:rgba(193,68,87,.08)}
.service-advantages{max-width:1240px}.advantage-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:42px}.advantage-grid article{min-height:210px;padding:24px;border:1px solid rgba(132,164,255,.19);border-radius:16px;background:linear-gradient(145deg,rgba(18,28,53,.88),rgba(12,18,35,.88));box-shadow:0 18px 45px rgba(0,0,0,.15);transition:transform .22s,border-color .22s}.advantage-grid article:hover{transform:translateY(-5px);border-color:rgba(97,231,255,.43)}.advantage-grid article i{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,rgba(97,231,255,.17),rgba(145,120,255,.2));border:1px solid rgba(97,231,255,.16);color:#8ceeff;font-style:normal;font-size:19px}.advantage-grid h3{color:#edf4ff;font-size:17px}.advantage-grid p{color:#9eacc5;font-size:13px}
.plans-section{max-width:none;background:linear-gradient(180deg,rgba(11,16,32,.32),rgba(11,16,32,.82),rgba(11,16,32,.32));padding-left:max(20px,calc((100% - 1220px)/2));padding-right:max(20px,calc((100% - 1220px)/2));padding-top:94px;padding-bottom:105px}.plans-section>header h2{color:#f1f5ff}.plans-section>header>p:last-child{color:#9eacc5}.plans-section .plans{max-width:1220px;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:46px}.plans-section .plan{position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:0;padding:27px 24px 23px;border:1px solid rgba(134,164,255,.2);border-radius:19px;background:linear-gradient(155deg,rgba(20,29,54,.97),rgba(12,18,35,.98));box-shadow:0 20px 55px rgba(0,0,0,.2);color:#eff5ff;transition:transform .25s,border-color .25s,box-shadow .25s}.plans-section .plan:before{content:"";position:absolute;width:190px;height:190px;right:-110px;top:-125px;background:rgba(96,142,255,.13);filter:blur(45px);pointer-events:none}.plans-section .plan:hover{transform:translateY(-7px);border-color:rgba(97,231,255,.46);box-shadow:0 28px 65px rgba(0,0,0,.3),0 0 30px rgba(72,177,255,.08)}.plans-section .plan-title{position:relative;font:750 18px/1.4 Inter,"Microsoft YaHei",sans-serif;color:#eff5ff}.plans-section .plan-title b{background:rgba(97,231,255,.1);color:#8ceeff;border:1px solid rgba(97,231,255,.2);font:700 10px Arial,sans-serif}.plans-section .plan-title em{color:#b3a2ff}.plans-section .plan-sub{color:#a5b2ca}.plans-section .money{color:#fff;font-size:34px;letter-spacing:-.04em}.plans-section .money del,.plans-section .money small{color:#91a0ba}.plans-section .notice{background:rgba(63,212,174,.09);color:#78ebcc;border:1px solid rgba(63,212,174,.15)}.plans-section .card-note{border-color:rgba(140,164,217,.15);color:#b7c4da}.self-service{margin-top:17px;padding:15px;border:1px solid rgba(132,164,255,.16);border-radius:13px;background:rgba(9,15,30,.68)}.self-service h3{color:#eaf2ff}.self-service h3 small,.self-service p{color:#9baac3}.self-service span{border-color:rgba(135,161,222,.22);color:#b4c4dc}.self-service button{border:1px solid rgba(97,231,255,.24);border-radius:10px;background:linear-gradient(105deg,#5ce3f4,#788bff);color:#06111c;font-weight:800;transition:transform .2s,box-shadow .2s;box-shadow:0 7px 22px rgba(83,189,255,.15)}.plans-section .pro .self-service button,.plans-section .flagship .self-service button{background:linear-gradient(105deg,#a390ff,#65dfff);color:#09111f}.plans-section .flagship{border-color:rgba(171,146,255,.38);background:linear-gradient(155deg,rgba(34,26,64,.98),rgba(13,18,37,.98))}.plans-section .flagship label{border-radius:0 18px 0 13px;background:linear-gradient(110deg,#b9a3ff,#64e8ff);color:#09111e}.plans-section .flagship .plan-title,.plans-section .flagship .money{color:#f8f5ff}.plans-section .flagship .plan-title em{color:#8beeff}.plans-section .flagship .plan-title b{background:rgba(157,131,255,.14);color:#c7b9ff;border-color:rgba(157,131,255,.27)}.plans-section .flagship .plan-sub{color:#b6aecf}.plans-section .flagship .notice{background:rgba(63,212,174,.09)}.plans-section .flagship .card-note{border-color:rgba(157,131,255,.2);color:#c6bded}.plans-section .flagship .self-service{background:rgba(9,13,27,.7);border-color:rgba(157,131,255,.2)}.plans-section .flagship .self-service h3,.plans-section .flagship .self-service p{color:#e3def5}.plans-section .flagship .self-service span{border-color:rgba(157,131,255,.3);color:#c7bbf2}
.faq{grid-template-columns:.75fr 1.25fr;gap:90px}.faq>div:first-child>p:not(.eyebrow){color:#a3b0c8}.faq-list{border-color:rgba(134,164,255,.18)}.faq-list details{border-color:rgba(134,164,255,.16)}.faq-list summary{color:#e5edfc}.faq-list summary span{color:var(--tech-cyan)}.faq-list details p{color:#a5b3ca}.plain-link{color:#7deaff}
.cta{max-width:1200px;margin:0 auto 85px;padding:72px 78px;border:1px solid rgba(97,231,255,.28);border-radius:22px;background:radial-gradient(ellipse at 83% 18%,rgba(121,105,255,.38),transparent 34%),linear-gradient(115deg,#102e54,#18234a 62%,#251d4d);box-shadow:0 28px 80px rgba(0,0,0,.28),inset 0 1px rgba(255,255,255,.07)}.cta .eyebrow{color:#85ecff}.cta h2{color:#f2f7ff}.cta>div>p:not(.eyebrow){color:#bfcee5}.cta .button.white{background:linear-gradient(100deg,#69e8f5,#a293ff);color:#081321;box-shadow:0 10px 30px rgba(83,183,255,.2)}.cta>i{right:105px;top:50px;background:linear-gradient(145deg,#79f0ff,#a18fff);color:#111733;filter:drop-shadow(0 0 24px rgba(106,215,255,.2))}
footer{max-width:1200px;color:#8999b5;border-color:rgba(134,164,255,.14)}footer .logo{color:#eaf1fc}footer p{color:#8999b5}
.modal{background:rgba(3,7,16,.78)}.modal-box{background:linear-gradient(145deg,#151f3a,#0d1429);border:1px solid rgba(133,166,255,.24);color:#edf4ff;box-shadow:0 30px 90px rgba(0,0,0,.55)}.modal-box h2{color:#f3f7ff}.modal-box>p:last-child{color:#a4b3ca}.modal-close{color:#9aa9c2}.qr{border:8px solid white;border-radius:8px}.qr img{width:100%;height:100%;object-fit:contain}.modal .eyebrow{color:var(--tech-cyan)}
.logo-image.logo-missing{display:grid;place-items:center;width:36px;height:36px;border:1px solid rgba(97,231,255,.35);border-radius:10px;background:linear-gradient(140deg,#61e7ff,#8b83ff);color:#071322}.logo-image.logo-missing:before{content:"AI";font-size:14px;font-weight:900}
@media(max-width:1100px){.plans-section .plans{grid-template-columns:repeat(2,minmax(0,1fr))}.advantage-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.nav nav{display:none}.hero{padding-top:52px}.hero-inner{grid-template-columns:1fr;gap:35px}.hero-copy{text-align:center}.hero .eyebrow{margin-left:auto;margin-right:auto}.selling-points,.purchase-capsule,.hero-actions{justify-content:center}.numbers{justify-content:center}.flow-card{max-width:600px}.trustbar{justify-content:center;text-align:center}.faq{grid-template-columns:1fr;gap:35px}.faq h2 br{display:none}.cta{margin-left:20px;margin-right:20px}.plans-section .plans.four-plans{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.header{height:64px}.nav{padding:0 15px}.nav-button{padding:7px 11px;font-size:11px}.hero{padding:42px 15px 0}.hero h1{font-size:39px}.selling-points{gap:6px}.selling-points span{font-size:10px;padding:6px 9px}.purchase-capsule{gap:14px}.limited-price{padding:10px 16px}.limited-price strong{font-size:40px}.hero-actions{width:100%;gap:8px}.hero-actions .button{padding:12px 13px;gap:10px;font-size:12px}.flow-card{padding:23px}.flow-card h2{font-size:26px}.numbers{flex-wrap:wrap;margin-top:23px}.trustbar{display:flex;margin-top:20px;padding:18px 12px;gap:6px;flex-direction:column}.section{padding:72px 16px}.comparison-screen{padding:66px 14px}.comparison-screen>header h2{font-size:32px}.official-compare{overflow-x:auto}.compare-row{min-width:650px}.service-advantages .advantage-grid{grid-template-columns:1fr}.advantage-grid article{min-height:0}.plans-section{padding:72px 14px}.plans-section>header h2{font-size:32px}.plans-section .plans,.plans-section .plans.four-plans{grid-template-columns:1fr;gap:14px;margin-top:30px}.plans-section .plan{padding:23px 20px}.faq{gap:26px}.cta{padding:42px 23px;margin:0 12px 48px}.cta>i{display:none}.cta h2{font-size:29px}footer{display:block;margin:0 16px;padding:0 0 25px}footer>span{display:block;margin-top:16px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}
/* Contrast and tablet-width refinements for the hero purchase panel. */
.hero .purchase-capsule{width:fit-content;max-width:100%;padding:14px;border:1px solid rgba(119,224,255,.24);border-radius:19px;background:linear-gradient(130deg,rgba(18,31,57,.96),rgba(14,20,39,.96));box-shadow:0 18px 45px rgba(0,0,0,.25),inset 0 1px rgba(255,255,255,.05)}
.hero .limited-price{border-color:rgba(97,231,255,.24)!important;background:linear-gradient(140deg,#182846,#121a31)!important;box-shadow:inset 0 0 22px rgba(97,231,255,.05),0 8px 20px rgba(0,0,0,.18)}
.hero .limited-price small{color:#79eaff!important}.hero .limited-price p{color:#f7fbff!important}.hero .limited-price strong{color:#fff!important;text-shadow:0 0 24px rgba(97,231,255,.18)}.hero .limited-price del{color:#96a7c2!important}.hero .limited-price em{color:#b5c4dc!important}
.hero .hero-actions .button.outline{border:1px solid rgba(158,187,255,.44)!important;background:rgba(61,81,130,.3)!important;color:#e5edff!important}.hero .hero-actions .button.blue{color:#071321!important}
@media(max-width:980px){.hero-inner{grid-template-columns:minmax(0,1fr);gap:34px;min-height:0}.hero-copy{text-align:center}.hero .eyebrow{margin-left:auto;margin-right:auto}.selling-points,.hero .purchase-capsule,.hero .hero-actions,.numbers{justify-content:center}.hero-copy{max-width:820px;margin:0 auto;width:100%}.hero .purchase-capsule{margin:0 auto}.flow-card{max-width:640px;width:100%;margin:0 auto}}
@media(max-width:620px){.hero .purchase-capsule{width:100%;padding:11px;gap:10px}.hero .limited-price{flex:1 1 100%;text-align:left}.hero .hero-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}.hero .hero-actions .button{justify-content:center;white-space:nowrap}.hero .limited-price p{justify-content:flex-start}}
.qr{display:grid;place-items:center;background:#fff!important;background-image:none!important}.qr-placeholder{margin:0;padding:18px;color:#5f6f87;font-size:14px;line-height:1.7;text-align:center}.qr img{display:block;width:100%;height:100%;object-fit:contain}