*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px;-webkit-text-size-adjust:100%}
body{margin:0;background:#08040f;color:#efe9ff;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.7;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background:
radial-gradient(760px 520px at 6% -8%,rgba(255,62,200,.22),transparent 62%),
radial-gradient(820px 600px at 96% 2%,rgba(150,80,255,.20),transparent 62%),
radial-gradient(900px 720px at 50% 116%,rgba(77,227,255,.10),transparent 62%),
linear-gradient(180deg,#08040f 0%,#0a0617 46%,#07030d 100%)}
header,main,footer{position:relative;z-index:1}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px}
img{max-width:100%;height:auto;display:block}
a{color:#ff8fe0}
h1,h2,h3,h4{margin:0;color:#ffffff;line-height:1.3;letter-spacing:.4px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(10,5,20,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(180,120,255,.18)}
.header-inner{display:flex;align-items:center;gap:16px;min-height:70px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-logo{display:block;width:120px;flex:0 0 auto}
.brand-logo .ai-page-logo{width:100%}
.brand-name{font-size:17px;font-weight:700;color:#ffffff;letter-spacing:1px}
.nav-links{display:flex;align-items:center;gap:0;margin-left:auto;flex-wrap:wrap}
.nav-links a{position:relative;display:inline-block;padding:9px 12px;color:#cfc4ee;font-size:14.5px;text-decoration:none;border-radius:8px;transition:color .22s ease,background .22s ease}
.nav-links a:hover,.nav-links a:focus-visible{color:#ff9fe6;background:rgba(255,62,200,.12)}
.header-cta{flex:0 0 auto;padding:10px 20px;font-size:14.5px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:40px;margin-left:auto;padding:0 9px;background:rgba(255,255,255,.05);border:1px solid rgba(190,130,255,.35);border-radius:10px;cursor:pointer}
.nav-toggle span{display:block;height:2px;width:100%;background:#ff9fe6;border-radius:2px;transition:transform .25s ease,opacity .25s ease}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease}
.btn-primary{background:linear-gradient(135deg,#ff3ec8,#a855ff);color:#160724;box-shadow:0 12px 28px -12px rgba(255,62,200,.9)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(255,62,200,1)}
.btn-ghost{background:rgba(255,255,255,.05);border-color:rgba(190,130,255,.45);color:#f2ecff}
.btn-ghost:hover{background:rgba(255,62,200,.16);border-color:rgba(255,88,214,.85);transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.985)}

/* ---------- hero ---------- */
.hero{padding:56px 0 20px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:start}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:12.5px;letter-spacing:1px;color:#ffb6ec;background:rgba(255,62,200,.12);border:1px solid rgba(255,88,214,.35)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:#ff4fd0;box-shadow:0 0 10px #ff4fd0}
.hero h1{margin:18px 0 16px;font-size:clamp(30px,4.4vw,50px);line-height:1.16;letter-spacing:1px}
.hero h1 em{font-style:normal;color:#ff6fd8}
.hero-lead{font-size:16px;color:#c3b6e8;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-note{margin-top:14px;font-size:13.5px;color:#9d8fc6}
.hero-panel{background:linear-gradient(160deg,rgba(60,26,102,.86),rgba(16,9,34,.92));border:1px solid rgba(190,120,255,.30);border-radius:20px;padding:22px;position:relative;overflow:hidden}
.hero-panel::before{content:"";position:absolute;width:220px;height:220px;right:-70px;top:-80px;border-radius:50%;background:radial-gradient(circle,rgba(255,62,200,.42),transparent 70%);filter:blur(8px);animation:float 9s ease-in-out infinite}
@keyframes float{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-12px,14px,0)}}
.panel-head{display:flex;align-items:center;gap:10px;position:relative}
.panel-head strong{font-size:15px;color:#ffffff}
.panel-head em{margin-left:auto;font-style:normal;font-size:13px;color:#170826;background:linear-gradient(135deg,#ff3ec8,#a855ff);padding:3px 12px;border-radius:999px;font-weight:700}
.dot{width:8px;height:8px;border-radius:50%;background:#ff4fd0;animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,79,208,.7)}70%{box-shadow:0 0 0 11px rgba(255,79,208,0)}100%{box-shadow:0 0 0 0 rgba(255,79,208,0)}}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;position:relative}
.chip{display:inline-block;padding:6px 13px;border-radius:999px;font-size:13px;color:#e8dcff;background:rgba(255,255,255,.06);border:1px solid rgba(190,130,255,.26);transition:transform .2s ease,border-color .2s ease,color .2s ease}
.chip:hover{transform:translateY(-2px);border-color:rgba(255,88,214,.7);color:#ffb6ec}
.panel-foot{margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.10);font-size:13px;color:#a294cb;position:relative}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.metric{background:rgba(255,255,255,.04);border:1px solid rgba(180,120,255,.20);border-radius:14px;padding:16px 18px;transition:transform .25s ease,border-color .25s ease,background .25s ease}
.metric:hover{transform:translateY(-3px);border-color:rgba(255,88,214,.55);background:rgba(255,62,200,.08)}
.metric b{display:block;font-size:25px;line-height:1.2;color:#ff6fd8}
.metric span{font-size:13px;color:#b9aede}

/* ---------- section ---------- */
.section{padding:66px 0 0}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head h2{margin:14px 0 12px;font-size:clamp(23px,3vw,34px)}
.sec-head p{color:#b3a6d8;font-size:15px}

/* ---------- cards & grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:start}
.card{background:linear-gradient(160deg,rgba(46,25,82,.72),rgba(19,10,38,.78));border:1px solid rgba(180,120,255,.20);border-radius:16px;padding:22px;min-width:0;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease}
.card:hover{transform:translateY(-4px);border-color:rgba(255,88,214,.55);box-shadow:0 18px 38px -20px rgba(255,62,200,.75)}
.card h3{font-size:17px;margin-bottom:8px}
.card p{font-size:14.5px;color:#b7aad9}
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:start}
.about-grid p{color:#bcb0dd;font-size:15px}
.arrow-list{margin-top:20px;display:grid;gap:12px}
.arrow-list li{position:relative;padding-left:24px;font-size:14.5px;color:#c6badf}
.arrow-list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;background:linear-gradient(135deg,#ff3ec8,#a855ff);transform:rotate(45deg)}
.tagcloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px}
.tagcloud .chip{font-size:12.5px;padding:5px 11px}
.side-card{background:linear-gradient(160deg,rgba(52,26,92,.8),rgba(17,9,34,.85));border:1px solid rgba(190,120,255,.26);border-radius:16px;padding:22px}
.side-card h3{font-size:16px;margin-bottom:14px}
.side-list{display:grid;gap:12px}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:#c6badf;padding-bottom:11px;border-bottom:1px dashed rgba(255,255,255,.10)}
.side-list li:last-child{padding-bottom:0;border-bottom:none}
.side-list b{color:#ff9fe6;font-weight:600}
.sec-sub{margin:34px 0 16px;font-size:16px;color:#ffffff}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:rgba(255,255,255,.04);border:1px solid rgba(180,120,255,.18);border-radius:16px;padding:22px;transition:transform .25s ease,border-color .25s ease}
.step:hover{transform:translateY(-4px);border-color:rgba(255,88,214,.5)}
.step .num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;font-size:14px;font-weight:700;color:#170826;background:linear-gradient(135deg,#ff3ec8,#a855ff);margin-bottom:12px}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:14px;color:#b3a6d8}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;align-items:start}
.case{background:rgba(255,255,255,.04);border:1px solid rgba(180,120,255,.20);border-radius:16px;overflow:hidden;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease}
.case:hover{transform:translateY(-4px);border-color:rgba(255,88,214,.55);box-shadow:0 18px 36px -20px rgba(255,62,200,.8)}
.case-media{aspect-ratio:4/3;overflow:hidden;background:#150c2b}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.case:hover .case-media img{transform:scale(1.05)}
.case-body{padding:14px 16px 18px}
.case-body h3{font-size:15px;margin-bottom:6px}
.case-body p{font-size:13px;color:#a99ccf;line-height:1.6}

/* ---------- review ---------- */
.review-layout{display:grid;grid-template-columns:.9fr 1.6fr;gap:22px;align-items:start}
.score-card{background:linear-gradient(160deg,rgba(78,28,120,.85),rgba(20,10,40,.9));border:1px solid rgba(255,88,214,.42);border-radius:18px;padding:26px;text-align:center}
.score-stars{font-size:20px;letter-spacing:4px;color:#ffd166}
.score-num{font-size:52px;font-weight:700;line-height:1.1;color:#ff6fd8;margin:10px 0 4px}
.score-num small{font-size:16px;color:#b9aede;font-weight:500}
.score-label{font-size:14px;color:#c6badf}
.score-tag{display:inline-block;margin-top:14px;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:600;color:#170826;background:linear-gradient(135deg,#ff3ec8,#a855ff)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid rgba(180,120,255,.22);border-radius:16px;background:rgba(18,10,36,.7)}
table{width:100%;border-collapse:collapse;min-width:620px;font-size:14.5px}
thead th{background:rgba(255,62,200,.14);color:#ffb0ea;font-weight:600;text-align:left;padding:14px 16px;white-space:nowrap}
tbody td{padding:13px 16px;border-top:1px solid rgba(255,255,255,.08);color:#c2b6e0;vertical-align:top}
tbody td:first-child{color:#ffffff;font-weight:600;white-space:nowrap}
tbody tr:hover td{background:rgba(255,62,200,.06)}
.good{color:#7cf6c9}

/* ---------- token ---------- */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.token-card{background:linear-gradient(160deg,rgba(40,22,74,.8),rgba(17,9,34,.85));border:1px solid rgba(190,120,255,.24);border-radius:16px;padding:22px}
.token-card h3{font-size:16px;margin-bottom:10px;color:#ff9fe6}
.token-card p{font-size:14px;color:#b7aad9}

/* ---------- comments ---------- */
.comment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.comment{position:relative;background:rgba(255,255,255,.04);border:1px solid rgba(180,120,255,.20);border-radius:16px;padding:22px;transition:transform .26s ease,border-color .26s ease}
.comment:hover{transform:translateY(-4px);border-color:rgba(255,88,214,.5)}
.comment p{font-size:14.5px;color:#c2b6e0}
.comment .who{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.09)}
.avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#170826;background:linear-gradient(135deg,#ff8fe0,#b57dff);flex:0 0 auto}
.who strong{display:block;font-size:14px;color:#ffffff;font-weight:600}
.who span{font-size:12.5px;color:#9d8fc6}

/* ---------- form ---------- */
.form-card{background:linear-gradient(160deg,rgba(52,26,92,.78),rgba(16,9,34,.9));border:1px solid rgba(190,120,255,.26);border-radius:18px;padding:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field.full{grid-column:1 / -1}
label{font-size:13px;color:#c3b6e8}
input,select,textarea{width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:#f3edff;background:rgba(255,255,255,.05);border:1px solid rgba(180,130,255,.30);border-radius:10px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
input::placeholder,textarea::placeholder{color:#8d7fb4}
input:focus,select:focus,textarea:focus{outline:none;border-color:#ff5ecb;background:rgba(255,62,200,.08);box-shadow:0 0 0 3px rgba(255,62,200,.18)}
select option{background:#150c2b;color:#f3edff}
textarea{resize:vertical;min-height:118px}
.form-actions{margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.form-tip{font-size:13px;color:#9d8fc6}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:rgba(255,255,255,.04);border:1px solid rgba(180,120,255,.18);border-radius:14px;overflow:hidden;transition:border-color .25s ease,background .25s ease}
.faq-item[open]{border-color:rgba(255,88,214,.55);background:rgba(255,62,200,.07)}
.faq-item summary{position:relative;cursor:pointer;list-style:none;padding:16px 48px 16px 18px;font-size:15.5px;font-weight:600;color:#f2ecff}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:#ff6fd8;transition:transform .25s ease}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item .faq-answer{padding:0 18px 18px;font-size:14.5px;color:#b3a6d8}

/* ---------- articles ---------- */
.articles-box{border:1px dashed rgba(190,130,255,.4);border-radius:16px;padding:20px;background:rgba(255,255,255,.03);font-size:14px;color:#b7aad9}
.article-list{display:grid;gap:12px;margin-top:18px}
.article-list li{background:rgba(255,255,255,.04);border:1px solid rgba(180,120,255,.16);border-radius:12px;transition:transform .22s ease,border-color .22s ease}
.article-list li:hover{transform:translateX(4px);border-color:rgba(255,88,214,.5)}
.article-list a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;font-size:14.5px;color:#ddd3ff;text-decoration:none}
.article-list a span:last-child{flex:0 0 auto;font-size:12.5px;color:#ff9fe6}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:start}
.contact-list{display:grid;gap:12px;margin-top:18px}
.contact-list li{display:flex;flex-wrap:wrap;gap:8px;font-size:14.5px;color:#c2b6e0}
.contact-list b{color:#ffffff;font-weight:600;min-width:88px}
.contact-list a{color:#ff9fe6;text-decoration:none}
.contact-list a:hover{text-decoration:underline}
.qr-card{background:linear-gradient(160deg,rgba(52,26,92,.8),rgba(16,9,34,.9));border:1px solid rgba(190,120,255,.28);border-radius:16px;padding:20px;text-align:center}
.qr-box{width:180px;margin:0 auto;padding:10px;background:#ffffff;border-radius:12px}
.qr-box img{width:100%;height:auto;border-radius:6px}
.qr-card p{margin-top:12px;font-size:13.5px;color:#b9aede}

/* ---------- friend links ---------- */
.links-section{padding:44px 0 40px}
.mini-title{font-size:16px;margin-bottom:16px;color:#ffffff}
.friend-links{display:flex;flex-wrap:wrap;gap:10px}
.friend-links a{font-size:13.5px;color:#c6badf;text-decoration:none;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid rgba(180,120,255,.2);transition:color .2s ease,border-color .2s ease,transform .2s ease}
.friend-links a:hover{color:#ffb6ec;border-color:rgba(255,88,214,.65);transform:translateY(-2px)}

/* ---------- footer ---------- */
.site-footer{background:#06030e;border-top:1px solid rgba(180,120,255,.22);padding:30px 0 22px;color:#b9aede}
.footer-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:22px;align-items:start}
.footer-brand strong{display:block;font-size:17px;color:#ffffff;letter-spacing:1px;margin-bottom:8px}
.footer-brand p{font-size:13.5px;color:#a294cb;max-width:420px}
.footer-contact{display:grid;gap:8px;font-size:13.5px;color:#b9aede}
.footer-contact a{color:#ff9fe6;text-decoration:none}
.footer-contact a:hover{text-decoration:underline}
.footer-bottom{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:#8d7fb4;text-align:center}

/* ---------- float ---------- */
.float-stack{position:fixed;right:18px;bottom:22px;z-index:70;display:flex;flex-direction:column;gap:10px}
.float-btn{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;text-decoration:none;border:1px solid rgba(255,120,220,.5);background:linear-gradient(150deg,#ff3ec8,#a855ff);color:#170826;cursor:pointer;font-family:inherit;box-shadow:0 12px 26px -12px rgba(255,62,200,.95);transition:transform .22s ease,opacity .25s ease}
.float-btn:hover{transform:translateY(-3px)}
.to-top{opacity:0;pointer-events:none;background:rgba(30,18,58,.94);color:#ff9fe6;border-color:rgba(190,130,255,.45);font-size:17px}
.to-top.show{opacity:1;pointer-events:auto}

/* ---------- reveal ---------- */
html.js-ready .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
html.js-ready .reveal.in{opacity:1;transform:translateY(0)}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .about-grid,.review-layout,.contact-grid{grid-template-columns:1fr}
  .grid-3,.comment-grid,.steps,.token-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr}
}
@media (max-width:960px){
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .nav-links{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:6px 20px 16px;background:#0d0722;border-bottom:1px solid rgba(180,120,255,.25);box-shadow:0 18px 30px -18px rgba(0,0,0,.9)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 6px;border-bottom:1px solid rgba(255,255,255,.07);border-radius:0;font-size:15px}
  .nav-links a:hover{background:transparent}
}
@media (max-width:720px){
  .hero{padding:38px 0 10px}
  .section{padding:48px 0 0}
  .grid-2,.grid-3,.grid-4,.comment-grid,.steps,.token-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:30px}
  .brand-logo{width:96px}
  .brand-name{font-size:15px}
  .qr-box{width:150px}
  .score-num{font-size:44px}
}
@media (max-width:420px){
  .case-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-actions{gap:10px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  html.js-ready .reveal{opacity:1;transform:none;transition:none}
  .dot,.hero-panel::before{animation:none}
}