/* roulang page: index */
:root{
  --brand:#6A3DF0;
  --brand-2:#B14BF4;
  --brand-soft:rgba(106,61,240,.08);
  --lime:#C8F45C;
  --orange:#FF7A3D;
  --orange-2:#FFB03D;
  --ink:#14121E;
  --ink-2:#221C3A;
  --text:#16141F;
  --muted:#5C5870;
  --border:#E7E3F5;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(135deg,#6A3DF0 0%,#B14BF4 100%);
  --grad-promo:linear-gradient(135deg,#FF7A3D 0%,#FFB03D 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,18,30,.08);
  --sh-2:0 16px 40px rgba(106,61,240,.18);
  --ease:220ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-2);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:.2px;}
p{margin:0;}
::selection{background:rgba(106,61,240,.18);}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--alt{background:#FFFFFF;}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--brand);text-transform:uppercase;margin-bottom:10px;}
.section-head h2{font-size:32px;line-height:1.3;}
.section-head .sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:620px;}
.link-more{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.link-more i{font-size:12px;transition:transform var(--ease);}
.link-more:hover i{transform:translateX(4px);}
.divider{height:1px;background:linear-gradient(90deg,var(--brand),rgba(177,75,244,0));border:0;margin:0;}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--r-pill);padding:14px 28px;font-size:15px;font-weight:700;line-height:1;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(106,61,240,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(106,61,240,.36);}
.btn-outline{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.btn-outline:hover{color:var(--brand);background:var(--brand-soft);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--muted);border:1.5px solid var(--border);}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.btn-promo{background:var(--grad-promo);color:#2A1204;box-shadow:0 10px 24px rgba(255,122,61,.3);}
.btn-promo:hover{color:#2A1204;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.notice-bar{background:var(--grad-brand);color:#fff;font-size:13px;}
.notice-inner{display:flex;align-items:center;gap:12px;height:38px;}
.notice-tag{background:rgba(255,255,255,.22);border-radius:var(--r-pill);padding:1px 10px;font-weight:700;flex:none;font-size:12px;letter-spacing:.5px;}
.notice-text{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;opacity:.95;}
.notice-close{background:none;border:0;color:#fff;font-size:20px;line-height:1;opacity:.75;padding:0 2px;}
.notice-close:hover{opacity:1;}
.notice-bar.is-hidden{display:none;}

.main-nav{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);transition:box-shadow var(--ease);}
.site-header.is-stuck .main-nav{box-shadow:0 6px 20px rgba(20,18,30,.08);}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;box-shadow:0 6px 16px rgba(106,61,240,.35);}
.brand-text{font-weight:800;font-size:18px;color:var(--ink);letter-spacing:.2px;}
.brand-badge{font-size:11px;padding:2px 9px;border-radius:var(--r-pill);background:rgba(200,244,92,.4);color:#41610A;border:1px solid rgba(150,190,40,.5);font-weight:700;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;}
.nav-links a{display:block;padding:9px 14px;border-radius:var(--r-pill);color:var(--text);font-size:15px;font-weight:500;position:relative;}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft);}
.nav-links a.active{color:var(--brand);font-weight:700;}
.nav-links a.active::after{content:'';position:absolute;left:14px;right:14px;bottom:1px;height:3px;border-radius:3px;background:var(--grad-brand);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.nav-search{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r-pill);padding:8px 14px;transition:border-color var(--ease),box-shadow var(--ease);}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(106,61,240,.13);}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{border:0;background:transparent;outline:none;width:140px;font-size:14px;}
.nav-search input::placeholder{color:var(--muted);}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--border);background:#fff;padding:0 10px;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--ease),opacity var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{padding:36px 0 0;}
.hero-card{position:relative;border-radius:28px;overflow:hidden;background:var(--ink);color:#fff;padding:64px 56px;min-height:580px;display:flex;align-items:center;box-shadow:0 24px 60px rgba(20,18,30,.22);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;}
.hero-card::after{content:'';position:absolute;inset:0;background:linear-gradient(115deg,rgba(20,18,30,.95) 0%,rgba(20,18,30,.78) 42%,rgba(106,61,240,.58) 100%);}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--lime);background:rgba(200,244,92,.12);border:1px solid rgba(200,244,92,.4);border-radius:var(--r-pill);padding:6px 16px;}
.hero h1{font-size:44px;line-height:1.24;color:#fff;margin:22px 0 18px;max-width:640px;}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;font-size:13px;color:rgba(255,255,255,.66);}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--lime);}
.hero-promo{background:#fff;color:var(--text);border-radius:var(--r-lg);padding:20px;box-shadow:0 24px 50px rgba(0,0,0,.34);}
.hero-promo-img{border-radius:var(--r-sm);overflow:hidden;position:relative;aspect-ratio:16/10;}
.hero-promo-img img{width:100%;height:100%;object-fit:cover;}
.promo-flag{position:absolute;left:12px;top:12px;background:var(--grad-promo);color:#2A1204;font-size:12px;font-weight:800;padding:4px 12px;border-radius:var(--r-pill);}
.hero-promo h3{font-size:18px;margin:16px 0 8px;}
.hero-promo p{font-size:13.5px;color:var(--muted);line-height:1.75;}
.hero-promo-list{margin-top:14px;display:flex;flex-direction:column;gap:9px;}
.hero-promo-list li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text);}
.hero-promo-list i{color:var(--brand);font-size:12px;}

/* ---------- Stats ---------- */
.stat-strip{padding:36px 0 0;}
.stat-card{position:relative;border-radius:var(--r-md);padding:24px;background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;border:1.5px solid transparent;box-shadow:var(--sh-1);height:100%;transition:transform var(--ease),box-shadow var(--ease);}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.stat-icon{width:36px;height:36px;border-radius:11px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:15px;margin-bottom:14px;}
.stat-num{font-size:34px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1;}
.stat-num small{font-size:14px;font-weight:700;color:var(--brand);margin-left:4px;}
.stat-label{font-size:13px;color:var(--muted);margin-top:8px;}

/* ---------- Tiers ---------- */
.tiers{display:flex;flex-direction:column;}
.tier{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:26px 30px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.tier:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(106,61,240,.35);}
.tier:nth-child(1){margin-left:0;}
.tier:nth-child(2){margin-left:5%;margin-top:18px;}
.tier:nth-child(3){margin-left:10%;margin-top:18px;}
.tier:nth-child(4){margin-left:15%;margin-top:18px;}
.tier::before{content:'';position:absolute;left:28px;top:-19px;width:2px;height:19px;background:repeating-linear-gradient(to bottom,var(--border) 0 4px,transparent 4px 8px);}
.tier:nth-child(1)::before{display:none;}
.tier-top{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.tier-lv{font-size:12px;font-weight:800;letter-spacing:1px;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-pill);padding:4px 12px;}
.tier-name{font-size:20px;font-weight:800;color:var(--ink);}
.tier-tag{margin-left:auto;font-size:12px;font-weight:700;color:#41610A;background:rgba(200,244,92,.45);border:1px solid rgba(150,190,40,.5);border-radius:var(--r-pill);padding:4px 12px;}
.tier-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px;}
.tier-points li{font-size:13.5px;color:var(--muted);display:flex;align-items:flex-start;gap:8px;}
.tier-points i{color:var(--brand);font-size:12px;margin-top:6px;}

/* ---------- Compare table ---------- */
.table-scroll{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--border);background:#fff;box-shadow:var(--sh-1);}
.compare-table{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;font-size:14.5px;}
.compare-table th,.compare-table td{padding:16px 18px;border-bottom:1px solid var(--border);text-align:center;}
.compare-table thead th{background:#F1ECFF;color:var(--ink);font-weight:800;font-size:14px;border-bottom:1px solid var(--border);}
.compare-table tbody tr:nth-child(odd) td{background:#FCFBFF;}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table th.row-head,.compare-table td.row-head{text-align:left;font-weight:700;color:var(--ink);position:sticky;left:0;z-index:2;background:#fff;box-shadow:1px 0 0 var(--border);}
.compare-table thead th.row-head{background:#F1ECFF;z-index:3;}
.compare-table .is-featured{background:rgba(106,61,240,.07);border-left:1.5px solid var(--brand);border-right:1.5px solid var(--brand);position:relative;}
.compare-table thead th.is-featured{border-top:1.5px solid var(--brand);border-radius:14px 14px 0 0;}
.compare-table tbody tr:last-child td.is-featured{border-bottom:1.5px solid var(--brand);border-radius:0 0 14px 14px;}
.rec-badge{display:inline-block;margin-left:8px;font-size:11px;font-weight:800;color:#2A1204;background:var(--grad-promo);border-radius:var(--r-pill);padding:2px 9px;vertical-align:middle;}
.tick{color:var(--brand);font-weight:800;}
.cross{color:#B9B3CE;font-weight:800;}

/* ---------- Dark countdown ---------- */
.section--dark{position:relative;background:linear-gradient(135deg,#14121E 0%,#221C3A 100%);color:#fff;overflow:hidden;}
.section--dark::before{content:'';position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(200,244,92,.18),transparent 68%);top:-160px;right:-100px;pointer-events:none;}
.section--dark::after{content:'';position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(106,61,240,.34),transparent 70%);bottom:-160px;left:-80px;pointer-events:none;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head .sub{color:rgba(255,255,255,.7);}
.section--dark .eyebrow{color:var(--lime);}
.countdown{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap;}
.cd-cell{background:rgba(255,255,255,.05);border:1px solid rgba(200,244,92,.36);border-radius:14px;padding:14px 18px;min-width:82px;text-align:center;box-shadow:inset 0 0 26px rgba(200,244,92,.1);}
.cd-num{font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:1px;line-height:1.1;}
.cd-label{font-size:12px;color:rgba(255,255,255,.6);margin-top:4px;}
.cd-colon{font-size:26px;font-weight:800;color:rgba(200,244,92,.7);padding-bottom:18px;}
.progress{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);overflow:hidden;margin:26px 0 12px;}
.progress span{display:block;height:100%;width:68%;border-radius:var(--r-pill);background:linear-gradient(90deg,#C8F45C,#B14BF4);}
.dark-note{font-size:13.5px;color:rgba(255,255,255,.66);}
.dark-panel{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:30px;}

/* ---------- News cards ---------- */
.news-grid{row-gap:24px;}
.news-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(106,61,240,.4);}
.news-cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease-out;}
.news-card:hover .news-cover img{transform:scale(1.05);}
.news-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(20,18,30,.55),rgba(20,18,30,0) 58%);}
.news-cat{position:absolute;left:12px;top:12px;z-index:2;background:var(--grad-brand);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:var(--r-pill);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.news-title{font-size:17px;line-height:1.55;font-weight:700;margin:0 0 10px;}
.news-title a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--brand);}
.news-sum{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);flex-wrap:wrap;}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border);}
.empty-state{background:#fff;border:1px dashed var(--border);border-radius:var(--r-lg);padding:56px 24px;text-align:center;box-shadow:var(--sh-1);}
.empty-state i{font-size:34px;color:var(--brand);opacity:.55;}
.empty-state p{margin:16px 0 20px;color:var(--muted);font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-acc{background:transparent;border:0;}
.faq-acc .accordion-item{border:1px solid var(--border);border-radius:var(--r-md);background:#fff;margin-bottom:16px;box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);}
.faq-acc .accordion-item:hover{box-shadow:var(--sh-2);border-color:rgba(106,61,240,.3);}
.faq-acc .accordion-title{padding:20px 60px 20px 24px;font-size:16.5px;font-weight:700;color:var(--ink);border:0;border-left:4px solid var(--brand);position:relative;background:#fff;transition:background var(--ease),border-color var(--ease);}
.faq-acc .accordion-title:hover{background:#FBFAFF;}
.faq-acc .accordion-title::before{content:'+';position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:700;color:var(--brand);transition:transform var(--ease);}
.faq-acc .accordion-item.is-active .accordion-title{border-left-color:var(--lime);background:#FBFAFF;}
.faq-acc .accordion-item.is-active .accordion-title::before{content:'−';}
.faq-acc .accordion-content{padding:4px 24px 22px 28px;background:var(--bg);color:var(--muted);font-size:14.5px;line-height:1.85;border:0;}
.faq-acc .accordion-content p{margin:0;}

/* ---------- Contact form ---------- */
.contact-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.form-panel{padding:40px;}
.form-grid{display:grid;grid-template-columns:1fr;gap:18px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:8px;}
.field input,.field select,.field textarea{width:100%;padding:13px 16px;border:1px solid var(--border);border-radius:var(--r-sm);background:#fff;outline:none;font-size:15px;transition:border-color var(--ease),box-shadow var(--ease);}
.field textarea{min-height:120px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#A9A3C0;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(106,61,240,.12);}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%235C5870'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:20px;padding-right:42px;}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:14px;}
.trust-panel{background:linear-gradient(155deg,#14121E 0%,#2A2148 100%);color:#fff;padding:40px;height:100%;display:flex;flex-direction:column;gap:24px;}
.trust-panel h3{color:#fff;font-size:20px;}
.trust-panel p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.85;}
.trust-list li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:rgba(255,255,255,.86);margin-bottom:14px;}
.trust-list i{color:var(--lime);margin-top:5px;}
.qr-box{width:112px;height:112px;border-radius:var(--r-sm);border:1px dashed rgba(200,244,92,.5);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.55);font-size:12px;text-align:center;line-height:1.5;background:rgba(255,255,255,.04);}
.trust-contact{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 0;position:relative;}
.site-footer::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,rgba(200,244,92,.75),transparent);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand span.txt{font-weight:800;font-size:18px;color:#fff;}
.footer-about{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.4px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.66);}
.footer-links a:hover{color:var(--lime);}
.footer-contact li{font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:12px;display:flex;align-items:flex-start;gap:10px;}
.footer-contact i{color:var(--lime);margin-top:5px;font-size:12px;}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{max-width:1120px;}
}
@media (max-width:1023px){
  .nav-inner{flex-wrap:wrap;height:auto;padding-top:14px;padding-bottom:14px;gap:14px;}
  .brand{order:1;}
  .nav-actions{order:2;margin-left:auto;}
  .nav-toggle{display:flex;order:3;}
  .nav-links{order:4;display:none;flex-direction:column;align-items:stretch;width:100%;gap:8px;padding-top:8px;}
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:14px 16px;border:1px solid var(--border);border-radius:var(--r-sm);font-size:15.5px;}
  .nav-links a.active::after{display:none;}
  .nav-links a.active{background:var(--brand-soft);border-color:rgba(106,61,240,.35);}
  .nav-search{display:none;}
  .hero-card{padding:48px 36px;min-height:520px;}
  .hero h1{font-size:36px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:26px;}
  .tier-points{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tier:nth-child(2){margin-left:3%;}
  .tier:nth-child(3){margin-left:6%;}
  .tier:nth-child(4){margin-left:9%;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .hero{padding:24px 0 0;}
  .hero-card{padding:36px 24px;min-height:440px;border-radius:22px;}
  .hero h1{font-size:28px;margin:18px 0 14px;}
  .hero-sub{font-size:15px;}
  .hero-cta .btn{flex:1 1 auto;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:23px;}
  .stat-num{font-size:28px;}
  .tier{padding:22px 20px;}
  .tier:nth-child(n){margin-left:0;margin-top:16px;}
  .tier:nth-child(1){margin-top:0;}
  .tier::before{display:none;}
  .tier-points{grid-template-columns:1fr;}
  .tier-tag{margin-left:0;}
  .form-panel{padding:26px 20px;}
  .trust-panel{padding:28px 20px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:519px){
  .brand-text{font-size:16px;}
  .brand-badge{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .hero-card{padding:30px 18px;min-height:400px;}
  .hero h1{font-size:25px;}
  .hero-meta{gap:14px;font-size:12.5px;}
  .cd-cell{min-width:68px;padding:11px 12px;}
  .cd-num{font-size:24px;}
}

/* roulang page: article */
:root{
  --brand:#6A3DF0;
  --brand-2:#B14BF4;
  --lime:#C8F45C;
  --promo:#FF7A3D;
  --promo-2:#FFB03D;
  --ink:#14121E;
  --ink-2:#221C3A;
  --text:#16141F;
  --muted:#5C5870;
  --border:#E7E3F5;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --pill:999px;
  --shadow:0 8px 24px rgba(20,18,30,.08);
  --shadow-hover:0 16px 40px rgba(106,61,240,.18);
  --grad:linear-gradient(135deg,#6A3DF0 0%,#B14BF4 100%);
  --grad-promo:linear-gradient(135deg,#FF7A3D 0%,#FFB03D 100%);
  --grad-dark:linear-gradient(135deg,#14121E 0%,#221C3A 100%);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand-2);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.3;}
p{margin:0 0 1em;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ============ 公告条 ============ */
.notice-bar{
  background:var(--grad);
  color:#fff;
  font-size:13px;
  min-height:38px;
  display:flex;
  align-items:center;
}
.notice-inner{display:flex;align-items:center;gap:12px;padding:6px 24px;}
.notice-tag{
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.4);
  border-radius:var(--pill);
  padding:1px 10px;
  font-size:12px;
  flex:none;
}
.notice-text{flex:1;line-height:1.5;color:rgba(255,255,255,.95);}
.notice-close{
  background:transparent;border:0;color:#fff;font-size:20px;line-height:1;
  cursor:pointer;padding:0 4px;opacity:.8;transition:opacity .2s ease-out;
}
.notice-close:hover{opacity:1;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;}
.main-nav{
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease-out,background .25s ease-out;
}
.site-header.is-scrolled .main-nav{box-shadow:0 8px 24px rgba(20,18,30,.08);background:rgba(255,255,255,.94);}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:70px;padding:10px 24px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;
  box-shadow:0 6px 16px rgba(106,61,240,.32);
  flex:none;
}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.brand-badge{
  font-size:11px;font-weight:700;color:#3E2A00;
  background:var(--lime);
  border-radius:var(--pill);
  padding:2px 8px;
  line-height:1.5;
}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;margin:0;}
.nav-links li{position:relative;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:var(--pill);
  color:var(--muted);font-size:15px;font-weight:600;
  transition:color .2s ease-out,background .2s ease-out;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:rgba(106,61,240,.06);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:var(--pill);
  background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--border);border-radius:var(--pill);
  padding:7px 14px;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{border:0;outline:0;background:transparent;width:150px;font-size:14px;color:var(--text);}
.nav-search input::placeholder{color:#9A96AD;}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(106,61,240,.14);}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:var(--radius-sm);
  background:#fff;border:1px solid var(--border);cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:20px;margin:0 auto;background:var(--ink);border-radius:2px;transition:transform .22s ease-out,opacity .22s ease-out;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--pill);font-weight:700;
  padding:12px 26px;font-size:15px;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(106,61,240,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(106,61,240,.36);filter:brightness(1.05);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{background:#fff;color:var(--brand);border-color:rgba(106,61,240,.45);}
.btn-secondary:hover{color:var(--brand);border-color:var(--brand);background:rgba(106,61,240,.05);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--muted);border-color:var(--border);}
.btn-ghost:hover{color:var(--brand);border-color:rgba(106,61,240,.4);background:#fff;}
.btn-promo{background:var(--grad-promo);color:#3E1B00;box-shadow:0 10px 24px rgba(255,122,61,.3);}
.btn-promo:hover{color:#3E1B00;transform:translateY(-2px);filter:brightness(1.04);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--pill);padding:4px 12px;font-size:12px;font-weight:700;
  background:rgba(106,61,240,.1);color:var(--brand);
}
.tag-lime{background:rgba(200,244,92,.28);color:#41530A;}
.tag-promo{background:rgba(255,122,61,.14);color:#B94A12;}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  background-image:linear-gradient(135deg,rgba(20,18,30,.88),rgba(106,61,240,.68)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:44px 0 52px;
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(180deg,rgba(247,245,255,0) 0%,rgba(247,245,255,.96) 100%);
  pointer-events:none;
}
.crumbs{position:relative;z-index:2;display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li::after{content:"›";color:rgba(255,255,255,.5);}
.crumbs li:last-child::after{display:none;}
.crumbs a{color:rgba(255,255,255,.85);}
.crumbs a:hover{color:var(--lime);}
.crumbs .current{color:rgba(255,255,255,.6);}
.hero-tagline{
  position:relative;z-index:2;
  font-size:14px;color:rgba(255,255,255,.82);
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.hero-tagline .sep{width:1px;height:14px;background:rgba(255,255,255,.3);}

/* ============ 正文布局 ============ */
.article-wrap{padding:56px 0 96px;margin-top:-40px;position:relative;z-index:3;}
.article-shell{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:40px;
}
.article-head{padding-bottom:22px;border-bottom:1px solid var(--border);margin-bottom:30px;position:relative;}
.article-head::after{
  content:"";position:absolute;left:0;bottom:-1px;width:120px;height:3px;border-radius:var(--pill);background:var(--grad);
}
.article-head h1{font-size:38px;line-height:1.32;margin-bottom:16px;}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--muted);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC9E6;}
.article-meta i{margin-right:5px;color:var(--brand);}

.article-body{max-width:820px;font-size:17.5px;line-height:1.9;color:#241F35;}
.article-body>p:first-of-type{font-size:18px;color:#2C2542;}
.article-body h2{
  position:relative;font-size:26px;margin:44px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:var(--pill);background:var(--grad);
}
.article-body h3{font-size:20px;margin:30px 0 12px;}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:4px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.66em;width:8px;height:8px;border-radius:3px;background:var(--lime);box-shadow:0 0 0 2px rgba(200,244,92,.28);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.34em;
  width:18px;height:18px;border-radius:6px;background:var(--grad);color:#fff;
  font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;
  border-left:4px solid var(--brand);
  background:var(--bg);border-radius:0 var(--radius) var(--radius) 0;
  color:#3A3352;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius);margin:24px 0 10px;width:100%;height:auto;object-fit:cover;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-2);}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border-bottom:1px solid var(--border);padding:12px 14px;text-align:left;}
.article-body th{background:var(--bg);font-weight:700;color:var(--ink);}
.article-body code{background:var(--bg);border-radius:6px;padding:2px 6px;font-size:.92em;color:var(--brand);}

/* ============ 侧栏 ============ */
.side-col{position:relative;}
.side-sticky{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;
}
.side-title{font-size:15px;font-weight:800;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-title i{color:var(--brand);}
.side-list li+li{margin-top:6px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--radius-sm);
  background:var(--bg);color:var(--ink);font-size:14.5px;font-weight:600;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.side-list a i{color:var(--brand);font-size:12px;}
.side-list a:hover{background:rgba(106,61,240,.1);color:var(--brand);transform:translateX(3px);}
.side-card-dark{
  background:var(--grad-dark);border:1px solid rgba(200,244,92,.35);
  border-radius:var(--radius);padding:22px;color:#fff;
  position:relative;overflow:hidden;
}
.side-card-dark::after{
  content:"";position:absolute;width:150px;height:150px;right:-60px;top:-70px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,244,92,.28),transparent 70%);
}
.side-card-dark h3{color:#fff;font-size:17px;margin-bottom:8px;}
.side-card-dark p{font-size:13.5px;color:rgba(255,255,255,.76);margin-bottom:16px;}

/* ============ 文章尾部 ============ */
.article-foot{margin-top:36px;padding-top:26px;border-top:1px solid var(--border);}
.foot-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.share-row{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border);color:var(--muted);
  transition:transform .2s ease-out,border-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(106,61,240,.45);transform:translateY(-2px);box-shadow:0 10px 22px rgba(106,61,240,.16);}

/* ============ 板块通用 ============ */
.section{padding:72px 0;}
.section-head{margin-bottom:34px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(106,61,240,.1);border-radius:var(--pill);padding:5px 14px;margin-bottom:14px;
}
.section-head h2{font-size:30px;margin-bottom:10px;}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;max-width:660px;}
.section-alt{background:#fff;}

/* ============ 相关推荐卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(106,61,240,.4);}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,30,0) 45%,rgba(20,18,30,.55) 100%);
}
.post-thumb .tag{position:absolute;left:14px;top:14px;z-index:2;background:rgba(255,255,255,.92);color:var(--brand);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body .meta{margin-top:auto;font-size:12.5px;color:#8E89A6;display:flex;align-items:center;gap:8px;}

/* ============ CTA ============ */
.cta-band{
  border-radius:var(--radius-lg);
  background-image:linear-gradient(135deg,rgba(106,61,240,.94),rgba(177,75,244,.9)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:46px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 20px 50px rgba(106,61,240,.28);
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.85);margin:0;max-width:620px;font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-secondary{background:#fff;border-color:#fff;color:var(--brand);}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:70px 24px;border:1px dashed var(--border);border-radius:var(--radius);
  background:var(--bg);
}
.empty-state i{font-size:38px;color:var(--brand);margin-bottom:16px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--grad-dark);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:0;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;left:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,244,92,.14),transparent 70%);
}
.site-footer .container{position:relative;z-index:2;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .txt{font-size:18px;font-weight:800;color:#fff;}
.footer-about{font-size:14px;color:rgba(255,255,255,.68);max-width:340px;margin:0;}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;position:relative;padding-bottom:10px;}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;border-radius:var(--pill);background:var(--lime);}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--lime);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-contact i{color:var(--lime);margin-top:5px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(200,244,92,.22);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .nav-links{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 18px 40px rgba(20,18,30,.12);flex-direction:column;align-items:stretch;padding:12px 24px 20px;gap:2px;}
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:13px 12px;border-radius:var(--radius-sm);}
  .nav-links a.active::after{display:none;}
  .nav-links a.active{background:rgba(106,61,240,.1);}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{position:relative;}
  .article-head h1{font-size:30px;}
  .article-shell{padding:28px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:56px 0;}
  .side-col{display:none;}
  .article-body{font-size:17px;max-width:100%;}
}
@media screen and (max-width:640px){
  .container{padding:0 20px;}
  .notice-inner{padding:6px 20px;}
  .notice-text{font-size:12.5px;}
  .brand-text{font-size:17px;}
  .brand-badge{display:none;}
  .btn-sm{padding:8px 14px;font-size:13px;}
  .nav-actions .btn-ghost{display:none;}
  .page-hero{padding:32px 0 42px;}
  .article-wrap{padding:32px 0 64px;margin-top:-26px;}
  .article-shell{padding:22px;}
  .article-head h1{font-size:25px;}
  .article-body{font-size:16.5px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:1fr;}
  .section{padding:44px 0;}
  .section-head h2{font-size:23px;}
  .cta-band{padding:30px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand:#6A3DF0;
  --brand-2:#B14BF4;
  --lime:#C8F45C;
  --orange:#FF7A3D;
  --ink:#14121E;
  --ink-2:#221C3A;
  --text:#16141F;
  --muted:#5C5870;
  --border:#E7E3F5;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(135deg,#6A3DF0 0%,#B14BF4 100%);
  --grad-promo:linear-gradient(135deg,#FF7A3D 0%,#FFB03D 100%);
  --grad-dark:linear-gradient(135deg,#14121E 0%,#221C3A 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(20,18,30,.08);
  --sh-hover:0 16px 40px rgba(106,61,240,.18);
  --ease:220ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{font-weight:800;line-height:1.25;color:var(--ink);letter-spacing:-.01em}
input,select,textarea{font-family:inherit}
::selection{background:rgba(106,61,240,.18)}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部公告条 ---------- */
.notice-bar{
  background:var(--grad-brand);
  color:#fff;
  min-height:38px;
  display:flex;
  align-items:center;
}
.notice-inner{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  line-height:1.4;
  padding-top:8px;
  padding-bottom:8px;
}
.notice-tag{
  flex:0 0 auto;
  background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.45);
  border-radius:var(--r-pill);
  font-size:12px;
  padding:1px 10px;
  font-weight:700;
}
.notice-text{
  flex:1 1 auto;
  min-width:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.notice-close{
  flex:0 0 auto;
  color:#fff;
  font-size:20px;
  line-height:1;
  width:26px;
  height:26px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background var(--ease);
}
.notice-close:hover{background:rgba(255,255,255,.22)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(20,18,30,.09)}
.main-nav{position:relative}
.nav-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:74px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:11px;
  background:var(--grad-brand);
  color:#fff;
  font-size:17px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(106,61,240,.32);
}
.brand-text{
  font-size:18px;
  font-weight:800;
  color:var(--ink);
  white-space:nowrap;
}
.brand-badge{
  font-size:11px;
  font-weight:700;
  color:var(--ink);
  background:var(--lime);
  border-radius:var(--r-pill);
  padding:2px 9px;
  letter-spacing:.02em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1 1 auto;
  min-width:0;
}
.nav-links > li > a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-links > li > a:hover{color:var(--brand);background:#F2EDFF}
.nav-links > li > a.active{color:var(--brand)}
.nav-links > li > a.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:1px;
  height:3px;
  border-radius:3px;
  background:var(--grad-brand);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
}
.nav-search i{
  position:absolute;
  left:14px;
  font-size:13px;
  color:var(--muted);
  pointer-events:none;
}
.nav-search input{
  width:190px;
  padding:9px 14px 9px 36px;
  font-size:14px;
  color:var(--text);
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  outline:none;
  transition:border-color var(--ease),box-shadow var(--ease),width var(--ease);
}
.nav-search input::placeholder{color:#9A96AC}
.nav-search input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(106,61,240,.15);
  width:220px;
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  font-size:15px;
  font-weight:700;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 10px 24px rgba(106,61,240,.28);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 34px rgba(106,61,240,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  background:#fff;
  color:var(--brand);
  border-color:rgba(106,61,240,.42);
}
.btn-outline:hover{background:#F2EDFF;transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  color:var(--muted);
  border-color:var(--border);
}
.btn-ghost:hover{color:var(--brand);border-color:rgba(106,61,240,.42);background:#F7F5FF}
.btn-lime{
  background:var(--lime);
  color:var(--ink);
  box-shadow:0 10px 24px rgba(200,244,92,.28);
}
.btn-lime:hover{transform:translateY(-2px);filter:brightness(1.04)}
.btn-light{
  background:#fff;
  color:var(--brand);
  box-shadow:0 10px 24px rgba(20,18,30,.14);
}
.btn-light:hover{transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--grad-dark);
  padding:52px 0 64px;
  border-radius:0 0 28px 28px;
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.3;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(560px 320px at 88% 8%, rgba(200,244,92,.16), transparent 70%),
    linear-gradient(180deg, rgba(20,18,30,.55) 0%, rgba(20,18,30,.86) 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.62);
  margin-bottom:20px;
}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li::after{content:"›";color:rgba(255,255,255,.4)}
.breadcrumb li:last-child::after{display:none}
.breadcrumb a{color:rgba(255,255,255,.78);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .current{color:var(--lime);font-weight:600}
.page-hero h1{
  color:#fff;
  font-size:44px;
  line-height:1.15;
  margin-bottom:18px;
}
.page-hero .hero-desc{
  max-width:760px;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
  margin-bottom:28px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-stat{
  min-width:152px;
  padding:14px 20px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(200,244,92,.32);
}
.hero-stat .num{
  display:block;
  font-size:26px;
  font-weight:800;
  line-height:1.1;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
  margin-bottom:4px;
}
.hero-stat .lbl{
  font-size:13px;
  color:rgba(255,255,255,.72);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-white{background:#fff}
.section-muted{background:var(--bg)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{font-size:32px;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--muted);line-height:1.85}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  background:#F2EDFF;
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(200,244,92,.35);
}

/* ---------- 图文交错 ---------- */
.feature-row{
  display:flex;
  align-items:center;
  margin-bottom:72px;
}
.feature-row:last-child{margin-bottom:0}
.feature-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
}
.feature-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  transition:transform var(--ease);
}
.feature-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(20,18,30,.5) 0%,rgba(20,18,30,0) 58%);
  pointer-events:none;
}
.feature-media:hover img{transform:scale(1.03)}
.feature-copy h3{
  font-size:22px;
  margin-bottom:14px;
}
.feature-copy p{
  font-size:16px;
  color:var(--muted);
  line-height:1.85;
  margin-bottom:14px;
}
.feature-copy p:last-child{margin-bottom:0}
.feature-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  color:var(--brand);
  background:#F2EDFF;
  border-radius:var(--r-pill);
  padding:4px 12px;
  margin-bottom:14px;
}
.mini-stats{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.mini-stat{
  font-size:13px;
  font-weight:600;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  padding:6px 14px;
}
.mini-stat b{color:var(--brand);font-variant-numeric:tabular-nums}

/* ---------- 要点清单 ---------- */
.check-list li{
  position:relative;
  padding-left:34px;
  margin-bottom:14px;
  font-size:15.5px;
  color:var(--muted);
  line-height:1.8;
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:4px;
  width:21px;
  height:21px;
  border-radius:7px;
  background:var(--grad-brand);
  color:#fff;
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.check-list li strong{color:var(--ink)}

/* ---------- 卡片 ---------- */
.card-grid{margin-top:8px}
.info-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.info-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(106,61,240,.4);
}
.info-card .thumb{
  position:relative;
  overflow:hidden;
}
.info-card .thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform var(--ease);
}
.info-card .thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(20,18,30,.48) 0%,rgba(20,18,30,0) 62%);
}
.info-card:hover .thumb img{transform:scale(1.04)}
.info-card .badge{
  position:absolute;
  left:16px;
  top:16px;
  z-index:2;
  font-size:12px;
  font-weight:700;
  color:var(--ink);
  background:var(--lime);
  border-radius:var(--r-pill);
  padding:4px 12px;
}
.info-card .body{
  padding:24px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.info-card h3{font-size:19px;margin-bottom:12px}
.info-card p{
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
  margin-bottom:20px;
  flex:1 1 auto;
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  transition:gap var(--ease),color var(--ease);
}
.card-link:hover{gap:12px;color:var(--brand-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-wrap .accordion{
  background:transparent;
  border:0;
  margin:0;
}
.faq-wrap .accordion-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  margin-bottom:14px;
  box-shadow:var(--sh);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-wrap .accordion-item.is-active{
  border-color:rgba(106,61,240,.42);
  box-shadow:0 14px 34px rgba(106,61,240,.13);
}
.faq-wrap .accordion-title{
  position:relative;
  display:block;
  padding:19px 56px 19px 26px;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
  border:0;
  line-height:1.6;
}
.faq-wrap .accordion-title::after{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:4px;
  height:24px;
  border-radius:0 4px 4px 0;
  background:var(--grad-brand);
  transition:background var(--ease);
}
.faq-wrap .accordion-item.is-active .accordion-title::after{
  background:var(--lime);
  box-shadow:0 0 0 2px rgba(200,244,92,.28);
}
.faq-wrap .accordion-title::before{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  width:28px;
  height:28px;
  border-radius:50%;
  background:#F2EDFF;
  color:var(--brand);
  font-size:17px;
  font-weight:700;
  line-height:28px;
  text-align:center;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-wrap .accordion-item.is-active .accordion-title::before{
  content:"−";
  background:var(--lime);
  color:var(--ink);
  transform:translateY(-50%) rotate(180deg);
}
.faq-wrap .accordion-content{
  display:none;
  padding:0 26px 22px 26px;
  border:0;
  background:#F7F5FF;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
}
.faq-wrap .accordion-content p{margin:0}

/* ---------- CTA 条 ---------- */
.cta-strip{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  background:var(--grad-brand);
  padding:52px 48px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  box-shadow:0 22px 52px rgba(106,61,240,.28);
}
.cta-strip::before{
  content:"";
  position:absolute;
  right:-70px;
  top:-90px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,244,92,.36),transparent 68%);
}
.cta-strip .txt{position:relative;z-index:2;max-width:640px}
.cta-strip h2{
  color:#fff;
  font-size:28px;
  margin-bottom:12px;
}
.cta-strip p{
  color:rgba(255,255,255,.85);
  font-size:15.5px;
  line-height:1.8;
}
.cta-strip .acts{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- 表单 ---------- */
.form-panel{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh);
}
.form-panel h2{font-size:24px;margin-bottom:10px}
.form-panel .form-note{
  font-size:14px;
  color:var(--muted);
  margin-bottom:24px;
}
.field{margin-bottom:18px}
.field label{
  display:block;
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:8px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:13px 16px;
  font-size:15px;
  color:var(--text);
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7}
.field input::placeholder,
.field textarea::placeholder{color:#9A96AC}
.field input:focus,
.field select:focus,
.field textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(106,61,240,.14);
}
.field select{
  appearance:none;
  -webkit-appearance:none;
  padding-right:42px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235C5870' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  background-size:12px;
}
.field-error input,
.field-error textarea{border-color:var(--orange)}
.field-error .tip{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--orange);
}
.trust-panel{
  height:100%;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh);
}
.trust-panel h3{font-size:19px;margin-bottom:18px}
.trust-list li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--border);
  font-size:14.5px;
  color:var(--muted);
  line-height:1.7;
}
.trust-list li:last-child{border-bottom:0}
.trust-list i{
  flex:0 0 auto;
  width:32px;
  height:32px;
  border-radius:10px;
  background:#F2EDFF;
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
}
.trust-list strong{color:var(--ink);display:block;margin-bottom:2px;font-size:15px}
.qr-box{
  margin-top:22px;
  padding:20px;
  border-radius:var(--r-md);
  background:var(--bg);
  border:1px dashed rgba(106,61,240,.35);
  text-align:center;
}
.qr-box .ph{
  width:96px;
  height:96px;
  margin:0 auto 12px;
  border-radius:14px;
  background:var(--grad-brand);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  font-weight:800;
}
.qr-box p{font-size:13px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.7);
  padding:72px 0 0;
  border-top:3px solid rgba(200,244,92,.7);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .txt{
  font-size:18px;
  font-weight:800;
  color:#fff;
}
.footer-about{
  font-size:14.5px;
  line-height:1.85;
  max-width:360px;
  color:rgba(255,255,255,.66);
}
.footer-title{
  font-size:15px;
  font-weight:800;
  color:#fff;
  margin-bottom:18px;
}
.footer-links li{margin-bottom:11px}
.footer-links a{
  font-size:14.5px;
  color:rgba(255,255,255,.66);
  transition:color var(--ease),padding-left var(--ease);
}
.footer-links a:hover{color:var(--lime);padding-left:4px}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:rgba(255,255,255,.66);
  margin-bottom:12px;
  line-height:1.7;
}
.footer-contact i{color:var(--lime);margin-top:4px}
.footer-bottom{
  margin-top:48px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:100%}
}
@media (max-width:1023px){
  .nav-links{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    background:#fff;
    padding:14px 24px 20px;
    border-bottom:1px solid var(--border);
    box-shadow:0 18px 34px rgba(20,18,30,.12);
  }
  .nav-links.is-open{display:flex}
  .nav-links > li > a{padding:12px 14px;border-radius:12px}
  .nav-links > li > a.active{background:#F2EDFF}
  .nav-links > li > a.active::after{display:none}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .section{padding:72px 0}
  .page-hero h1{font-size:36px}
  .page-hero{padding:44px 0 54px}
  .cta-strip{padding:40px 32px}
  .cta-strip h2{font-size:24px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:25px}
  .page-hero h1{font-size:31px}
  .page-hero .hero-desc{font-size:15.5px}
  .hero-stat{min-width:0;flex:1 1 140px;padding:12px 16px}
  .hero-stat .num{font-size:22px}
  .feature-row{margin-bottom:48px}
  .feature-copy h3{font-size:19px}
  .cta-strip{padding:32px 22px;border-radius:20px}
  .cta-strip .acts{width:100%}
  .cta-strip .acts .btn{flex:1 1 auto}
  .form-panel,.trust-panel{padding:24px 20px}
  .footer-bottom{flex-direction:column}
  .notice-text{font-size:12.5px}
}
@media (max-width:519px){
  .container{padding:0 20px}
  .brand-text{font-size:16px}
  .brand-badge{display:none}
  .nav-inner{min-height:66px;gap:12px}
  .btn{padding:11px 20px;font-size:14px}
  .page-hero h1{font-size:27px}
  .cta-strip h2{font-size:21px}
  .trust-panel{padding:22px 18px}
}

/* roulang page: category2 */
:root{
  --brand:#6A3DF0;
  --brand-deep:#4B21C9;
  --brand-2:#B14BF4;
  --lime:#C8F45C;
  --orange:#FF7A3D;
  --ink:#14121E;
  --ink-2:#221C3A;
  --text:#16141F;
  --muted:#5C5870;
  --line:#E7E3F5;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --grad:linear-gradient(135deg,#6A3DF0 0%,#B14BF4 100%);
  --grad-orange:linear-gradient(135deg,#FF7A3D 0%,#FFB03D 100%);
  --grad-dark:linear-gradient(135deg,#14121E 0%,#221C3A 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(20,18,30,.08);
  --sh-hover:0 16px 40px rgba(106,61,240,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-deep);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
.brand-mark,.stat-num,.tl-index,.count-num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1200px){.container{max-width:1280px;}}
@media (max-width:640px){.container{padding:0 20px;}}

/* 栅格微调 */
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.grid-margin-y{margin-top:-24px;}
.grid-margin-y>.cell{margin-top:24px;}

/* ============ 顶部公告 ============ */
.site-header{position:sticky;top:0;z-index:80;}
.notice-bar{background:var(--grad);color:#fff;font-size:13px;}
.notice-inner{display:flex;align-items:center;gap:10px;min-height:38px;}
.notice-tag{background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:1px 10px;font-size:12px;font-weight:700;letter-spacing:.04em;}
.notice-text{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:.95;}
.notice-close{background:transparent;border:0;color:#fff;font-size:20px;line-height:1;padding:0 4px;opacity:.85;}
.notice-close:hover{opacity:1;}
.notice-bar.hide{display:none;}

/* ============ 导航 ============ */
.main-nav{background:rgba(255,255,255,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(20,18,30,.05);}
.nav-inner{display:flex;align-items:center;gap:20px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:38px;height:38px;border-radius:13px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 6px 18px rgba(106,61,240,.35);}
.brand-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.brand-badge{font-size:11px;font-weight:700;padding:2px 9px;border-radius:999px;background:var(--lime);color:#3F4D07;}
.nav-links{display:flex;align-items:center;gap:2px;margin:0;}
.nav-links>li>a{position:relative;display:block;padding:9px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;}
.nav-links>li>a:hover{color:var(--brand);background:#F2EEFF;}
.nav-links>li>a.active{color:var(--brand);}
.nav-links>li>a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:999px;background:var(--grad);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-search{display:flex;align-items:center;gap:8px;background:#F4F1FF;border:1px solid var(--line);border-radius:999px;padding:7px 14px;transition:border-color .2s,box-shadow .2s;}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{border:0;background:transparent;outline:none;width:150px;font-size:14px;}
.nav-search input::placeholder{color:#9A95AE;}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(106,61,240,.14);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:11px 10px;flex-direction:column;justify-content:space-between;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);}
.nav-drawer-extra{display:none;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:12px 24px;font-size:15px;font-weight:700;line-height:1.2;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;cursor:pointer;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(106,61,240,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(106,61,240,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(106,61,240,.4);}
.btn-outline:hover{background:#F4F1FF;color:var(--brand-deep);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--muted);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand);border-color:rgba(106,61,240,.4);background:#fff;}
.btn-lime{background:var(--lime);color:#3F4D07;box-shadow:0 10px 24px rgba(200,244,92,.35);}
.btn-lime:hover{color:#33400A;transform:translateY(-2px);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section--white{background:#fff;}
.section--dark{background:var(--grad-dark);color:#fff;position:relative;overflow:hidden;}
.section--dark::after{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-140px;background:radial-gradient(circle,rgba(200,244,92,.18),transparent 68%);pointer-events:none;}
.section--dark .sec-title{color:#fff;}
.section--dark .sec-desc{color:rgba(255,255,255,.72);}
@media (max-width:1023px){.section{padding:72px 0;}}
@media (max-width:639px){.section{padding:48px 0;}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;flex-wrap:wrap;}
.sec-kicker{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--brand);background:#F2EEFF;border-radius:999px;padding:4px 12px;margin-bottom:12px;}
.section--dark .sec-kicker{background:rgba(200,244,92,.16);color:var(--lime);}
.sec-title{font-size:32px;font-weight:800;line-height:1.35;color:var(--ink);letter-spacing:-.01em;}
.sec-desc{margin-top:12px;font-size:16px;color:var(--muted);max-width:660px;}
@media (max-width:1023px){.sec-title{font-size:26px;}}
@media (max-width:639px){.sec-title{font-size:24px;}}

/* ============ 内页 Hero ============ */
.page-hero{position:relative;padding:56px 0 72px;background-image:linear-gradient(120deg,rgba(20,18,30,.9) 0%,rgba(58,28,132,.86) 55%,rgba(106,61,240,.78) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:#fff;overflow:hidden;}
.page-hero::before{content:"";position:absolute;left:-80px;bottom:-160px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(200,244,92,.22),transparent 70%);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.4);}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .current{color:var(--lime);}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;position:relative;}
.page-hero h1{font-size:42px;line-height:1.24;font-weight:800;letter-spacing:-.02em;margin-bottom:18px;}
.hero-lead{font-size:17px;color:rgba(255,255,255,.82);max-width:560px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-badge{background:rgba(255,255,255,.1);border:1px solid rgba(200,244,92,.45);border-radius:999px;padding:7px 16px;font-size:13px;font-weight:600;color:#fff;display:inline-flex;align-items:center;gap:8px;}
.hero-badge i{color:var(--lime);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 24px 60px rgba(10,6,30,.45);border:1px solid rgba(255,255,255,.16);}
.hero-figure img{width:100%;height:320px;object-fit:cover;}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,30,0) 40%,rgba(20,18,30,.65) 100%);}
.hero-figure figcaption{position:absolute;left:18px;bottom:14px;z-index:2;font-size:13px;color:rgba(255,255,255,.9);}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero h1{font-size:32px;}
  .hero-figure img{height:240px;}
}
@media (max-width:639px){
  .page-hero{padding:36px 0 52px;}
  .page-hero h1{font-size:26px;}
  .hero-lead{font-size:15.5px;}
}

/* ============ 数据徽章带 ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;box-shadow:var(--sh);position:relative;overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.stat-card::before{content:"";position:absolute;inset:0;border-radius:var(--r-md);padding:1px;background:linear-gradient(135deg,rgba(106,61,240,.55),rgba(200,244,92,.75));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(106,61,240,.35);}
.stat-num{font-size:34px;font-weight:800;line-height:1.1;color:var(--ink);letter-spacing:-.02em;}
.stat-num span{font-size:15px;font-weight:700;color:var(--brand);margin-left:4px;}
.stat-label{margin-top:6px;font-size:14px;font-weight:700;color:var(--text);}
.stat-note{margin-top:4px;font-size:13px;color:var(--muted);}
@media (max-width:1023px){.stat-strip{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.stat-strip{grid-template-columns:1fr;gap:14px;}}

/* ============ 时间轴 ============ */
.timeline{position:relative;max-width:920px;margin:0 auto;}
.tl-item{position:relative;display:grid;grid-template-columns:72px 1fr;gap:24px;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:35px;top:78px;bottom:6px;width:2px;background:linear-gradient(180deg,rgba(106,61,240,.42),rgba(231,227,245,.9));}
.tl-item:last-child::before{display:none;}
.tl-node{width:72px;height:72px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--sh);display:grid;place-items:center;position:relative;z-index:2;}
.tl-index{font-size:22px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(106,61,240,.32);}
.tl-card h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.tl-card p{color:var(--muted);font-size:15.5px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;background:#F2EEFF;color:var(--brand);}
.tag--lime{background:rgba(200,244,92,.35);color:#43500B;}
@media (max-width:639px){
  .tl-item{grid-template-columns:56px 1fr;gap:16px;}
  .tl-node{width:56px;height:56px;border-radius:18px;}
  .tl-index{font-size:18px;}
  .tl-item::before{left:27px;top:62px;}
  .tl-card{padding:18px;}
  .tl-card h3{font-size:18px;}
}

/* ============ 图文卡 ============ */
.media-card{display:grid;grid-template-columns:200px 1fr;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(106,61,240,.32);}
.media-card figure{position:relative;border-radius:var(--r-md);overflow:hidden;}
.media-card img{width:100%;height:148px;object-fit:cover;}
.media-card figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,30,0) 45%,rgba(20,18,30,.5) 100%);}
.media-card h3{font-size:19px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.media-card p{font-size:15px;color:var(--muted);}
.media-card .tag{margin-top:12px;}
@media (max-width:639px){
  .media-card{grid-template-columns:1fr;padding:14px;}
  .media-card img{height:170px;}
}

/* ============ 对比小卡 ============ */
.compare-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh);position:relative;transition:transform .22s ease,box-shadow .22s ease;}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.compare-card h3{font-size:20px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.compare-card h3 i{width:34px;height:34px;border-radius:12px;background:#F2EEFF;color:var(--brand);display:grid;place-items:center;font-size:15px;}
.compare-card--accent{border-color:rgba(106,61,240,.4);}
.compare-card--accent::after{content:"节点优先";position:absolute;top:-12px;right:22px;background:var(--lime);color:#3F4D07;font-size:12px;font-weight:800;border-radius:999px;padding:3px 12px;}
.check-list li{position:relative;padding-left:26px;margin-bottom:10px;font-size:15px;color:var(--muted);}
.check-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;font-size:12px;color:var(--brand);}
.compare-card .check-list li{color:var(--text);}
@media (max-width:768px){.compare-2{grid-template-columns:1fr;}}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh);overflow:hidden;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:0;padding:20px 22px 20px 26px;text-align:left;font-size:16.5px;font-weight:700;color:var(--ink);position:relative;}
.faq-q::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;background:var(--brand);transition:background-color .2s ease;}
.faq-item.open .faq-q::before{background:var(--lime);}
.faq-icon{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);position:relative;transition:transform .25s ease,background-color .25s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;left:50%;top:50%;transform:translate(-50%,-50%);}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:opacity .2s ease;}
.faq-item.open .faq-icon{transform:rotate(180deg);background:#F2EEFF;}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{display:none;padding:0 26px 22px;background:var(--bg);color:var(--muted);font-size:15px;}
.faq-item.open .faq-a{display:block;}

/* ============ CTA + 表单 ============ */
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;position:relative;z-index:2;}
.cta-title{font-size:30px;font-weight:800;color:#fff;line-height:1.35;}
.cta-desc{color:rgba(255,255,255,.75);margin-top:14px;font-size:16px;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.88);font-size:15px;}
.cta-points i{color:var(--lime);margin-top:5px;}
.lead-form{background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:0 24px 60px rgba(10,6,30,.4);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:700;color:var(--text);}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-sm);padding:11px 14px;background:#FCFBFF;outline:none;transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{min-height:96px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#A19CB5;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(106,61,240,.14);}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.lead-form .btn{width:100%;margin-top:6px;}
.form-tip{font-size:13px;color:var(--brand);margin-top:10px;display:none;}
.form-tip.show{display:block;}
.trust-box{background:rgba(255,255,255,.07);border:1px solid rgba(200,244,92,.28);border-radius:var(--r-lg);padding:26px;margin-top:22px;}
.trust-box h3{color:#fff;font-size:17px;font-weight:800;margin-bottom:14px;}
.trust-list li{display:flex;gap:10px;color:rgba(255,255,255,.82);font-size:14.5px;margin-bottom:10px;}
.trust-list i{color:var(--lime);margin-top:5px;width:16px;}
@media (max-width:1023px){.cta-grid{grid-template-columns:1fr;gap:32px;}.cta-title{font-size:26px;}}
@media (max-width:639px){.cta-title{font-size:23px;}.form-grid{grid-template-columns:1fr;}.lead-form{padding:22px;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 26px;border-top:1px solid rgba(200,244,92,.28);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .txt{font-size:18px;font-weight:800;color:#fff;}
.footer-about{font-size:14.5px;color:rgba(255,255,255,.6);max-width:360px;}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.68);font-size:14.5px;}
.footer-links a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:10px;color:rgba(255,255,255,.7);}
.footer-contact i{color:var(--lime);margin-top:5px;width:16px;}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ 移动端导航 ============ */
@media (max-width:1023px){
  .nav-inner{height:66px;gap:12px;}
  .nav-search{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:flex;}
  .nav-links{position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);background:#fff;flex-direction:column;align-items:stretch;gap:6px;padding:88px 20px 28px;transform:translateX(103%);transition:transform .28s ease;box-shadow:-16px 0 44px rgba(20,18,30,.18);overflow-y:auto;z-index:90;}
  .nav-links.open{transform:translateX(0);}
  .nav-links>li>a{padding:14px 16px;border-radius:12px;font-size:16px;}
  .nav-links>li>a.active{background:#F2EEFF;}
  .nav-links>li>a.active::after{display:none;}
  .nav-drawer-extra{display:flex;flex-direction:column;gap:12px;margin-top:16px;padding-top:20px;border-top:1px solid var(--line);}
  .drawer-search{display:flex;align-items:center;gap:8px;background:#F4F1FF;border:1px solid var(--line);border-radius:999px;padding:10px 16px;}
  .drawer-search i{color:var(--muted);font-size:13px;}
  .drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
  .nav-drawer-extra .btn{width:100%;}
  .brand-text{font-size:16px;}
  .brand-badge{display:none;}
}
@media (max-width:639px){
  .nav-actions .btn-primary{padding:9px 14px;font-size:13px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --brand:#6A3DF0;
  --brand-2:#B14BF4;
  --grad-brand:linear-gradient(135deg,#6A3DF0 0%,#B14BF4 100%);
  --grad-promo:linear-gradient(135deg,#FF7A3D 0%,#FFB03D 100%);
  --lime:#C8F45C;
  --orange:#FF7A3D;
  --ink:#14121E;
  --text:#16141F;
  --muted:#5C5870;
  --line:#E7E3F5;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 8px 24px rgba(20,18,30,.08);
  --shadow-lg:0 16px 40px rgba(106,61,240,.18);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:#4d24c9}
button,input,select,textarea{font-family:inherit;font-size:1rem}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);line-height:1.32}
p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
@media (max-width:640px){.container{padding:0 20px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease-out,box-shadow .22s ease-out,background-color .22s ease-out,color .22s ease-out,border-color .22s ease-out;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(106,61,240,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(106,61,240,.36);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:#F3EEFF;color:var(--brand);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--muted);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 顶部公告条 ============ */
.site-header{position:sticky;top:0;z-index:80}
.notice-bar{background:var(--grad-brand);color:#fff;font-size:13px}
.notice-inner{display:flex;align-items:center;gap:10px;height:38px}
.notice-tag{background:rgba(255,255,255,.22);border-radius:999px;padding:2px 10px;font-size:12px;font-weight:700;flex:none}
.notice-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;opacity:.95}
.notice-close{background:none;border:0;color:#fff;font-size:20px;line-height:1;cursor:pointer;padding:0 4px;flex:none}
.notice-close:hover{color:var(--lime)}

/* ============ 导航 ============ */
.main-nav{
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.scrolled .main-nav{box-shadow:0 8px 24px rgba(20,18,30,.09)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:800;
  box-shadow:0 6px 16px rgba(106,61,240,.32);flex:none;
}
.brand-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.2px}
.brand-badge{
  font-size:11px;font-weight:800;padding:2px 8px;border-radius:999px;
  background:rgba(200,244,92,.28);color:#3d6b00;border:1px solid rgba(200,244,92,.95);
}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;flex:1;min-width:0}
.nav-links a{
  display:block;padding:10px 14px;border-radius:999px;font-size:15px;font-weight:600;
  color:#3b3750;position:relative;
}
.nav-links a:hover{color:var(--brand);background:#F3EEFF}
.nav-links a.active{color:var(--brand);background:#F3EEFF}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;
  border-radius:999px;background:var(--grad-brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;background:#F4F1FD;border:1px solid var(--line);
  border-radius:999px;padding:8px 14px;transition:border-color .2s,box-shadow .2s,background-color .2s;
}
.nav-search i{color:var(--muted);font-size:14px}
.nav-search input{border:0;background:transparent;outline:0;width:148px;font-size:14px;color:var(--text)}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(106,61,240,.12)}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:var(--ink);transition:background-color .2s}
.nav-toggle:hover span{background:var(--brand)}

@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-search{display:none}
  .nav-actions .btn-ghost{display:none}
  .nav-links{
    position:absolute;top:calc(100% + 1px);left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:12px;border-bottom:1px solid var(--line);
    border-radius:0 0 var(--r-lg) var(--r-lg);
    box-shadow:0 18px 40px rgba(20,18,30,.14);z-index:70;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:var(--r-sm)}
  .nav-links a.active::after{display:none}
}
@media (max-width:640px){
  .nav-inner{height:64px;gap:12px}
  .brand-text{font-size:16px}
  .brand-badge{display:none}
}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:56px 0 72px;
  color:#fff;
  background-image:
    linear-gradient(135deg,rgba(20,18,30,.92) 0%,rgba(106,61,240,.74) 100%),
    url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:380px;height:380px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,244,92,.28),transparent 68%);
}
.breadcrumb{list-style:none;display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.68);position:relative;z-index:2}
.breadcrumb li+li::before{content:"/";margin-right:8px;opacity:.55}
.breadcrumb a{color:rgba(255,255,255,.88)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .current{color:rgba(255,255,255,.62)}
.hero-grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;
  margin-top:26px;position:relative;z-index:2;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  padding:5px 14px;border-radius:999px;color:var(--lime);
  border:1px solid rgba(200,244,92,.5);background:rgba(200,244,92,.12);margin-bottom:18px;
}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,46px);color:#fff;letter-spacing:.5px;margin-bottom:16px;
}
.hero-desc{
  font-size:17px;color:rgba(255,255,255,.86);max-width:560px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.page-hero .btn-outline{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.55)}
.page-hero .btn-outline:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff}
.stat-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stat-badge{
  min-width:142px;padding:14px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.1);border:1px solid rgba(200,244,92,.42);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.stat-badge .num{font-size:26px;font-weight:800;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums}
.stat-badge .num small{font-size:14px;font-weight:600;color:var(--lime);margin-left:2px}
.stat-badge .lbl{font-size:13px;color:rgba(255,255,255,.78)}
.hero-visual{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.22);
  box-shadow:0 24px 60px rgba(0,0,0,.34);position:relative;
}
.hero-visual img{width:100%;height:340px}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,30,0) 45%,rgba(20,18,30,.55) 100%);
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-visual img{height:240px}
}
@media (max-width:640px){
  .page-hero{padding:40px 0 52px}
  .stat-badges{gap:10px}
  .stat-badge{flex:1 1 42%;min-width:0;padding:12px 14px}
  .stat-badge .num{font-size:22px}
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section--white{background:#fff}
.section--tint{background:var(--bg)}
@media (max-width:1023px){.section{padding:72px 0}}
@media (max-width:640px){.section{padding:48px 0}}
.section-head{max-width:720px;margin-bottom:44px}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand);
  background:#F3EEFF;border:1px solid var(--line);padding:4px 13px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{font-size:32px;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px}
@media (max-width:640px){.section-head h2{font-size:24px}.section-head{margin-bottom:30px}}

/* ============ 对比矩阵 ============ */
.matrix-wrap{
  border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;
  box-shadow:var(--shadow);overflow-x:auto;
}
table.matrix{width:100%;min-width:780px;border-collapse:collapse}
.matrix th,.matrix td{padding:16px 18px;font-size:15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.matrix thead th{background:#F4F1FD;color:var(--ink);font-weight:700;white-space:nowrap}
.matrix tbody tr:nth-child(even){background:#FBFAFF}
.matrix tbody tr:last-child td{border-bottom:0}
.matrix tbody th[scope="row"],
.matrix td:first-child{
  font-weight:700;color:var(--ink);white-space:nowrap;
  position:sticky;left:0;background:#fff;z-index:2;
}
.matrix tbody tr:nth-child(even) td:first-child{background:#FBFAFF}
.matrix thead th:first-child{z-index:3;background:#F4F1FD}
.matrix .col-rec{background:rgba(200,244,92,.16)}
.matrix thead .col-rec{background:rgba(200,244,92,.34);color:#3a6600}
.matrix .recommend-tag{
  display:inline-block;font-size:11px;font-weight:800;color:#fff;background:var(--brand);
  border-radius:999px;padding:2px 9px;margin-left:6px;vertical-align:middle;
}
.matrix-note{margin-top:16px;font-size:14px;color:var(--muted)}

/* ============ 双列大卡 ============ */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:stretch}
.feature-row+.feature-row{margin-top:34px}
.feature-row.reverse .feature-media{order:2}
.feature-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;min-height:300px;transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.feature-media img{width:100%;height:100%;min-height:300px}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,30,0) 40%,rgba(20,18,30,.6) 100%);
}
.feature-media .media-tag{
  position:absolute;left:18px;top:18px;z-index:2;font-size:12px;font-weight:700;
  color:var(--ink);background:var(--lime);border-radius:999px;padding:4px 12px;
}
.feature-media:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center;
}
.feature-body h3{font-size:22px;margin-bottom:12px}
.feature-body p{color:var(--muted);font-size:15.5px;margin-bottom:18px}
.check-list{list-style:none;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text)}
.check-list i{color:var(--brand);margin-top:5px;font-size:14px;flex:none}
@media (max-width:900px){
  .feature-row{grid-template-columns:1fr;gap:20px}
  .feature-row.reverse .feature-media{order:0}
  .feature-media,.feature-media img{min-height:220px}
  .feature-body{padding:24px}
}

/* ============ 要点条 ============ */
.point-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.point-item{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--r-md);padding:22px;
  box-shadow:var(--shadow);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.point-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-left-color:var(--lime)}
.point-item i{display:block;font-size:20px;color:var(--brand);margin-bottom:12px}
.point-item h3{font-size:17px;margin-bottom:8px}
.point-item p{font-size:14px;color:var(--muted)}
@media (max-width:1023px){.point-strip{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.point-strip{grid-template-columns:1fr}}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-lg);padding:44px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  box-shadow:0 20px 48px rgba(106,61,240,.3);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,244,92,.34),transparent 70%);
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.86);font-size:15.5px;position:relative;z-index:2}
.cta-band .btn{position:relative;z-index:2}
.cta-band .btn-light{background:#fff;color:var(--brand);box-shadow:0 10px 24px rgba(20,18,30,.18)}
.cta-band .btn-light:hover{color:var(--brand);transform:translateY(-2px)}
@media (max-width:640px){.cta-band{padding:28px 24px}.cta-band h2{font-size:21px}}

/* ============ FAQ ============ */
.faq-accordion{list-style:none;display:grid;gap:14px;margin:0;max-width:920px}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  box-shadow:var(--shadow);overflow:hidden;margin:0;
}
.faq-accordion .accordion-title{
  display:block;padding:18px 54px 18px 22px;font-size:16px;font-weight:700;color:var(--ink);
  border-left:4px solid var(--brand);background:#fff;position:relative;
}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--brand);transition:transform .22s ease,color .22s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title{border-left-color:var(--lime)}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"–";color:#7bbf00}
.faq-accordion .accordion-content{
  padding:0 22px 20px;background:#F7F5FF;border:0;color:var(--muted);font-size:15px;
}
.faq-accordion .accordion-content p{margin:0}

/* ============ 表单与信任块 ============ */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow);
}
.form-card h3{font-size:20px;margin-bottom:8px}
.form-card .form-lead{font-size:14.5px;color:var(--muted);margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#FBFAFF;color:var(--text);outline:0;
  transition:border-color .2s,box-shadow .2s,background-color .2s;
}
.field textarea{min-height:112px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9a95ad}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(106,61,240,.12);
}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235C5870' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:12px;padding-right:40px;
}
.form-tip{margin-top:16px;font-size:14px;color:#3d6b00;background:rgba(200,244,92,.24);border-radius:var(--r-sm);padding:12px 16px;display:none}
.form-tip.show{display:block}
.trust-card{
  background:#F7F5FF;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.trust-card h3{font-size:20px;margin-bottom:18px}
.trust-list{list-style:none;display:grid;gap:13px;margin-bottom:22px}
.trust-list li{display:flex;gap:10px;font-size:15px;color:var(--muted)}
.trust-list i{color:var(--brand);margin-top:5px;flex:none}
.qr-box{
  width:120px;height:120px;border-radius:var(--r-md);background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;text-align:center;font-size:13px;line-height:1.5;padding:12px;
  box-shadow:0 14px 30px rgba(106,61,240,.28);margin-bottom:20px;
}
.trust-note{font-size:13.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:16px;margin-top:auto}
@media (max-width:900px){
  .contact-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-card,.trust-card{padding:24px}
}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(160deg,#14121E 0%,#221C3A 100%);
  color:rgba(255,255,255,.78);padding:72px 0 28px;
  border-top:1px solid rgba(200,244,92,.35);
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px}
.footer-brand .brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:800;box-shadow:0 6px 16px rgba(106,61,240,.3);
}
.footer-about{font-size:14px;color:rgba(255,255,255,.66);max-width:340px;line-height:1.8}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{list-style:none;display:grid;gap:10px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.7)}
.footer-links a:hover{color:var(--lime)}
.footer-contact{list-style:none;display:grid;gap:10px;font-size:14px;color:rgba(255,255,255,.7)}
.footer-contact i{color:var(--lime);margin-right:8px}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
@media (max-width:640px){
  .site-footer{padding:52px 0 24px}
  .footer-about{max-width:none}
}