*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;color:#1a1f2e;background:#f6f7fb;line-height:1.7;-webkit-font-smoothing:antialiased}
:root{--primary:#ff3d63;--primary-dark:#e21e46;--accent:#7b2ff7;--accent2:#00d4ff;--ink:#141a29;--muted:#5c667a;--card:#ffffff;--line:#eceef4}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:50px;font-weight:700;font-size:15px;border:none;cursor:pointer;transition:.28s ease;letter-spacing:.5px}
.btn-primary{background:linear-gradient(120deg,#ff3d63,#ff7a3d);color:#fff;box-shadow:0 10px 26px rgba(255,61,99,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(255,61,99,.45)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.4);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-3px)}
.btn-line{background:#fff;color:var(--primary-dark);border:1.5px solid var(--primary)}
.btn-line:hover{background:var(--primary);color:#fff}
.sec{padding:88px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.eyebrow{display:inline-block;font-size:13px;font-weight:800;letter-spacing:2px;color:var(--primary);background:#fff0f3;padding:6px 16px;border-radius:40px;margin-bottom:16px}
.sec-head h2{font-size:clamp(24px,3.4vw,38px);color:var(--ink);letter-spacing:-.5px;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:15.5px}
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
/* NAV */
.topbar{background:var(--ink);color:#c9cfdd;font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px;flex-wrap:wrap;gap:6px}
.topbar a{color:#ffe1e8}
.topbar a:hover{color:#fff}
header.site{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(20,26,41,.04)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;color:var(--ink);letter-spacing:-.3px}
.brand .ai-page-logo{height:38px;width:auto}
.nav-links{display:flex;align-items:center;gap:0;list-style:none}
.nav-links li a{display:block;padding:10px 13px;font-size:14.5px;font-weight:600;color:#39415a;border-radius:8px;transition:.2s}
.nav-links li a:hover{color:var(--primary);background:#fff3f5}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-cta .btn{padding:10px 20px;font-size:13.5px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
.mobile-menu{display:none;flex-direction:column;background:#fff;border-top:1px solid var(--line);padding:10px 20px 20px}
.mobile-menu a{padding:12px 0;border-bottom:1px solid #f1f2f7;font-weight:600;font-size:15px;color:#39415a}
.mobile-menu.open{display:flex}
/* HERO - no images */
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 15% 15%,#2a1050 0%,#140d2b 45%,#0b0a18 100%);color:#fff;padding:96px 0 104px}
.hero::before{content:"";position:absolute;inset:0;background:
radial-gradient(circle at 82% 22%,rgba(255,61,99,.22),transparent 42%),
radial-gradient(circle at 72% 78%,rgba(0,212,255,.16),transparent 46%),
radial-gradient(circle at 30% 90%,rgba(123,47,247,.22),transparent 50%);pointer-events:none}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.hero-flex{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#ffd1dc;background:rgba(255,61,99,.14);border:1px solid rgba(255,61,99,.4);padding:7px 16px;border-radius:40px;margin-bottom:22px}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;letter-spacing:-1px;margin-bottom:20px;font-weight:900}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#ff6b8a,#ffb03d 55%,#00d4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:#c3c8d8;font-size:16.5px;max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:620px}
.hstat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:16px 12px;text-align:center;transition:.3s}
.hstat:hover{transform:translateY(-4px);border-color:rgba(255,61,99,.55);background:rgba(255,61,99,.1)}
.hstat b{display:block;font-size:24px;background:linear-gradient(100deg,#ff6b8a,#ffb03d);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:900}
.hstat span{font-size:12px;color:#aab1c5}
.hero-panel{position:relative;background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.16);border-radius:24px;padding:28px;backdrop-filter:blur(10px);box-shadow:0 30px 70px rgba(0,0,0,.4)}
.hero-panel h3{font-size:15px;color:#fff;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.hero-panel h3::before{content:"";width:8px;height:8px;border-radius:50%;background:#00d4ff;box-shadow:0 0 12px #00d4ff}
.model-tags{display:flex;flex-wrap:wrap;gap:8px}
.model-tags span{font-size:12px;padding:6px 12px;border-radius:30px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#dbe0ee;transition:.25s}
.model-tags span:hover{background:rgba(255,61,99,.25);border-color:rgba(255,61,99,.6);color:#fff}
.hero-panel .mini{display:flex;justify-content:space-between;margin-top:22px;padding-top:18px;border-top:1px dashed rgba(255,255,255,.16);font-size:13px;color:#aab1c5}
.hero-panel .mini b{color:#ff9aae;font-size:17px;display:block}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.hero-orb{position:absolute;border-radius:50%;filter:blur(2px);animation:floaty 6s ease-in-out infinite;pointer-events:none}
.orb1{width:16px;height:16px;background:#ff3d63;top:14%;right:12%;opacity:.85}
.orb2{width:10px;height:10px;background:#00d4ff;bottom:20%;left:6%;animation-delay:1.5s;opacity:.85}
.orb3{width:22px;height:22px;background:#7b2ff7;top:60%;right:6%;animation-delay:.8s;opacity:.7}
/* cards */
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px 26px;transition:.32s ease;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(20,26,41,.1);border-color:#ffd6de}
.card .ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;background:linear-gradient(135deg,#fff0f3,#ffe7ec);color:var(--primary);font-weight:900;font-size:20px}
.card h3{font-size:18px;color:var(--ink);margin-bottom:10px;font-weight:800}
.card p{font-size:14.5px;color:var(--muted)}
.card .tagline{display:inline-block;margin-top:14px;font-size:12.5px;color:var(--primary);font-weight:700}
.about{background:#fff}
.about-flex{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-text h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:20px;color:var(--ink)}
.about-text p{color:var(--muted);margin-bottom:16px;font-size:15.5px}
.about-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.about-list li{display:flex;gap:10px;font-size:14.5px;color:#353d52;font-weight:600}
.about-list li::before{content:"✓";color:#fff;background:linear-gradient(135deg,#ff3d63,#ff7a3d);width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;flex:0 0 22px;font-weight:900}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.about-media img{width:100%;border-radius:16px;object-fit:cover;aspect-ratio:4/3;transition:.3s}
.about-media img:first-child{grid-row:span 2;aspect-ratio:auto;height:100%;object-fit:cover}
.about-media img:hover{transform:scale(1.02)}
/* capability */
.cap-grid{grid-template-columns:repeat(3,1fr)}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:38px}
.pill{background:#fff;border:1px solid var(--line);border-radius:40px;padding:8px 18px;font-size:13.5px;font-weight:600;color:#39415a;transition:.25s;box-shadow:0 3px 10px rgba(20,26,41,.03)}
.pill:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}
/* one stop */
.onestop{background:linear-gradient(180deg,#141a29,#1f2540);color:#fff;position:relative;overflow:hidden}
.onestop .sec-head h2{color:#fff}
.onestop .sec-head p{color:#aab1c5}
.onestop .eyebrow{background:rgba(255,61,99,.16);color:#ff8fa6}
.os-grid{grid-template-columns:repeat(4,1fr)}
.os-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:26px 22px;transition:.3s}
.os-item:hover{transform:translateY(-6px);background:rgba(255,61,99,.12);border-color:rgba(255,61,99,.45)}
.os-item .num{font-size:13px;font-weight:900;color:#ff8fa6;letter-spacing:1px;margin-bottom:12px}
.os-item h3{font-size:17px;margin-bottom:8px}
.os-item p{font-size:13.5px;color:#b4bbcd}
/* steps */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 24px 26px;position:relative;transition:.3s}
.step:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(20,26,41,.09)}
.step .dot{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,#ff3d63,#7b2ff7);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:18px;box-shadow:0 8px 20px rgba(255,61,99,.3)}
.step h3{font-size:17px;margin-bottom:8px;color:var(--ink)}
.step p{font-size:14px;color:var(--muted)}
/* table */
.tbl-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:0 18px 40px rgba(20,26,41,.05)}
table{width:100%;border-collapse:collapse;min-width:720px}
th,td{padding:16px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid #f1f2f7}
thead th{background:#141a29;color:#fff;font-weight:700;font-size:14px;letter-spacing:.5px}
tbody tr:hover{background:#fff6f8}
td.win{color:var(--primary-dark);font-weight:700}
.badge-win{display:inline-block;background:#fff0f3;color:var(--primary-dark);padding:2px 10px;border-radius:20px;font-size:12px;font-weight:800;margin-left:6px}
/* rating */
.rating-card{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:0 24px 60px rgba(20,26,41,.08)}
.rating-score{background:linear-gradient(160deg,#ff3d63,#7b2ff7);color:#fff;padding:48px 40px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}
.rating-score .big{font-size:72px;font-weight:900;line-height:1;letter-spacing:-2px}
.rating-score .big small{font-size:24px;font-weight:700;opacity:.8}
.rating-score .stars{font-size:24px;letter-spacing:4px;margin:14px 0 10px;color:#ffd84d}
.rating-score p{font-size:14px;opacity:.92}
.rating-body{padding:44px 42px}
.rating-body h3{font-size:22px;margin-bottom:18px;color:var(--ink)}
.rating-body ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.rating-body li{font-size:14.5px;color:#353d52;font-weight:600;display:flex;gap:8px;align-items:flex-start}
.rating-body li::before{content:"★";color:#ffb03d;font-size:14px}
/* reviews */
.reviews{grid-template-columns:repeat(3,1fr)}
.review{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 26px;transition:.3s}
.review:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(20,26,41,.09);border-color:#ffd6de}
.review .stars{color:#ffb03d;font-size:15px;letter-spacing:2px;margin-bottom:14px}
.review p{font-size:14.5px;color:#39415a;margin-bottom:20px;min-height:88px}
.review .who{display:flex;align-items:center;gap:12px}
.review .av{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#ff3d63,#7b2ff7);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:16px}
.review .who b{display:block;font-size:14.5px;color:var(--ink)}
.review .who span{font-size:12.5px;color:var(--muted)}
/* case */
.cases{grid-template-columns:repeat(3,1fr)}
.case{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:.3s}
.case:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(20,26,41,.1)}
.case .img{position:relative;aspect-ratio:16/10;overflow:hidden;background:#eef0f6}
.case .img img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case:hover .img img{transform:scale(1.05)}
.case .img .lab{position:absolute;top:12px;left:12px;background:rgba(20,26,41,.82);color:#fff;font-size:12px;padding:4px 12px;border-radius:30px;font-weight:700}
.case .body{padding:22px 24px}
.case .body h3{font-size:17px;margin-bottom:8px;color:var(--ink)}
.case .body p{font-size:14px;color:var(--muted)}
/* banner imgs */
.banner-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.banner-strip img{width:100%;height:auto;border-radius:16px;object-fit:cover;aspect-ratio:16/10;transition:.35s}
.banner-strip img:hover{transform:scale(1.03);box-shadow:0 18px 40px rgba(20,26,41,.14)}
/* network */
.network{background:#141a29;color:#fff}
.network .sec-head h2{color:#fff}
.network .sec-head p{color:#aab1c5}
.net-grid{grid-template-columns:repeat(4,1fr)}
.net-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:30px 24px;transition:.3s}
.net-item:hover{transform:translateY(-6px);background:rgba(0,212,255,.1);border-color:rgba(0,212,255,.4)}
.net-item h3{font-size:17px;margin-bottom:10px}
.net-item p{font-size:13.5px;color:#b4bbcd}
.net-item .dotline{display:inline-block;width:30px;height:4px;background:linear-gradient(90deg,#ff3d63,#00d4ff);border-radius:4px;margin-bottom:14px}
/* token */
.token{background:linear-gradient(180deg,#fff6f8,#f6f7fb)}
.token-flex{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.token-text h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:18px;color:var(--ink)}
.token-text p{color:var(--muted);margin-bottom:22px}
.price-row{display:flex;align-items:center;gap:16px;padding:18px 22px;background:#fff;border-radius:16px;border:1px solid var(--line);margin-bottom:14px;transition:.3s}
.price-row:hover{transform:translateX(6px);box-shadow:0 12px 30px rgba(20,26,41,.08);border-color:#ffd6de}
.price-row .model{font-weight:800;color:var(--ink);flex:1;font-size:15px}
.price-row .bar{height:8px;border-radius:8px;background:linear-gradient(90deg,#ff3d63,#ffb03d);width:60%}
.price-row .num{font-weight:900;color:var(--primary-dark);font-size:14px}
/* article */
.article-grid{grid-template-columns:repeat(2,1fr)}
.article{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;transition:.3s}
.article:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(20,26,41,.08);border-color:#ffd6de}
.article .thumb{width:88px;height:88px;flex:0 0 88px;border-radius:14px;background:linear-gradient(135deg,#fff0f3,#eef0ff);display:flex;align-items:center;justify-content:center;font-weight:900;color:var(--primary);font-size:12px;text-align:center;padding:8px;line-height:1.3}
.article h3{font-size:16px;color:var(--ink);margin-bottom:8px}
.article p{font-size:13.5px;color:var(--muted)}
.article a{color:var(--primary);font-weight:700;font-size:13.5px}
/* wiki / tags */
.tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:30px}
.tag{background:#fff;border:1px solid var(--line);border-radius:30px;padding:7px 16px;font-size:13px;color:#4a5268;font-weight:600;transition:.25s}
.tag:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px)}
/* faq */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:.3s}
.faq-item:hover{border-color:#ffd6de;box-shadow:0 10px 26px rgba(20,26,41,.05)}
.faq-q{padding:20px 24px;font-weight:700;font-size:15.5px;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q .plus{width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:#fff0f3;color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:900;transition:.3s}
.faq-item.open .plus{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--muted);font-size:14.5px;padding:0 24px}
.faq-item.open .faq-a{max-height:400px;padding-bottom:22px}
/* form */
.form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.form-head h2{font-size:clamp(24px,3.2vw,36px);color:var(--ink);margin-bottom:16px}
.form-head p{color:var(--muted);margin-bottom:22px}
.contact-list{list-style:none}
.contact-list li{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed #e8eaf2;font-size:14.5px;color:#353d52}
.contact-list li b{color:var(--ink);display:block;font-size:13px;margin-bottom:2px}
.contact-list li .ci{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:#fff0f3;color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:14px}
.qr-box{margin-top:20px;display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}
.qr-box img{width:96px;height:96px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.qr-box span{font-size:13px;color:var(--muted)}
form{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px 30px;box-shadow:0 20px 50px rgba(20,26,41,.07)}
.f-row{margin-bottom:18px}
.f-row label{display:block;font-size:13.5px;font-weight:700;color:#353d52;margin-bottom:7px}
.f-row input,.f-row select,.f-row textarea{width:100%;padding:13px 15px;border:1.5px solid #e3e6ef;border-radius:12px;font-size:14.5px;font-family:inherit;color:var(--ink);transition:.2s;background:#fafbfe}
.f-row input:focus,.f-row select:focus,.f-row textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(255,61,99,.09)}
.f-row textarea{resize:vertical;min-height:110px}
form .btn{width:100%;margin-top:6px}
.form-note{font-size:12.5px;color:#8a93a8;margin-top:14px;text-align:center}
/* footer */
footer.site{background:#0f1320;color:#aab1c5;padding:64px 0 0}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:46px}
.f-brand .brand{color:#fff;margin-bottom:16px}
.f-brand p{font-size:13.5px;line-height:1.9;margin-bottom:16px}
.f-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:800}
.f-col ul{list-style:none}
.f-col ul li{margin-bottom:10px;font-size:13.5px}
.f-col ul li a{transition:.2s}
.f-col ul li a:hover{color:#ff8fa6}
.f-links{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:13px}
.f-links a{color:#8f97ab;transition:.2s}
.f-links a:hover{color:#ff8fa6}
.f-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;font-size:12.5px;color:#767f94}
/* float */
.float-btn{position:fixed;right:22px;z-index:800;width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 10px 26px rgba(0,0,0,.2);cursor:pointer;transition:.3s;border:none;font-weight:800;font-size:12px}
.float-cs{bottom:150px;background:linear-gradient(135deg,#ff3d63,#ff7a3d)}
.float-top{bottom:88px;background:#39415a;font-size:18px;opacity:0;pointer-events:none}
.float-top.show{opacity:1;pointer-events:auto}
.float-btn:hover{transform:translateY(-4px) scale(1.05)}
.cs-pop{position:fixed;right:86px;bottom:150px;width:260px;background:#fff;border-radius:18px;box-shadow:0 20px 50px rgba(0,0,0,.18);padding:20px;z-index:801;display:none;border:1px solid var(--line)}
.cs-pop.show{display:block;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.cs-pop h4{font-size:15px;margin-bottom:12px;color:var(--ink)}
.cs-pop .cs-item{font-size:13px;color:#4a5268;padding:7px 0;border-bottom:1px dashed #eee;display:flex;justify-content:space-between}
.cs-pop .cs-item span{color:var(--muted)}
.cs-pop img{width:100%;border-radius:10px;margin-top:12px}
.cs-pop p.tip{font-size:12px;color:#8a93a8;margin-top:10px;text-align:center}
/* responsive */
@media(max-width:1024px){
.hero-flex,.about-flex,.token-flex,.form-wrap{grid-template-columns:1fr}
.hero-panel{max-width:520px}
.g4,.os-grid,.net-grid,.steps,.cap-grid,.cases,.banner-strip{grid-template-columns:repeat(2,1fr)}
.f-grid{grid-template-columns:1fr 1fr}
.nav-links,.nav-cta .btn-line{display:none}
.burger{display:flex}
.rating-card{grid-template-columns:1fr}
}
@media(max-width:680px){
.sec{padding:60px 0}
.hero{padding:64px 0 72px}
.hero-stats{grid-template-columns:repeat(2,1fr)}
.g3,.g4,.g2,.os-grid,.net-grid,.steps,.cap-grid,.cases,.banner-strip,.reviews,.article-grid{grid-template-columns:1fr}
.about-list,.rating-body ul{grid-template-columns:1fr}
.f-grid{grid-template-columns:1fr}
.card,.os-item,.step{padding:24px 20px}
.hero-actions .btn{flex:1;min-width:0}
.nav-inner{height:60px}
.rating-score{padding:34px 24px}
.rating-body{padding:28px 22px}
.cs-pop{right:14px;bottom:auto;top:auto;width:calc(100vw - 28px);left:14px;bottom:210px}
.review p{min-height:auto}
}