*{box-sizing:border-box}
:root{
--bg:#F4F6FF;--deep:#E4E8F6;--surface:#FBFBFF;--soft:#EEF0FA;
--ink:#1E1A2A;--text:#2E2A3A;--muted:#5A5668;--subtle:#7A7688;
--coral:#E07070;--gold:#E0B050;--mint:#70C090;--sky:#70A8D8;--violet:#A080D0;
--border:rgba(30,26,42,.12);--focus:rgba(160,128,208,.48);--shadow:0 12px 28px rgba(30,26,42,.08);
--top:20px;--head:54px;--ring:52px;--radius:10px;
}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.is-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{color:inherit}
img{display:block;max-width:100%;object-fit:contain;object-position:center}
.color-rail{position:fixed;left:0;top:0;bottom:0;width:6px;z-index:260;background:linear-gradient(var(--coral) 0 20%,var(--gold) 20% 40%,var(--mint) 40% 60%,var(--sky) 60% 80%,var(--violet) 80% 100%)}
.topline,.site-head,.main-ring{position:fixed;left:0;right:0;z-index:180;background:var(--surface)}
.topline{top:0;height:20px;border-bottom:1px solid var(--border);font-size:12px}
.topline-inner,.head-inner,.ring-inner,.footer-inner,.site-main{width:min(980px,calc(100% - 32px));margin:0 auto}
.topline-inner{height:20px;display:flex;align-items:center;justify-content:space-between;padding-left:6px}
.text-button,.menu-button,.close-button{border:0;background:transparent;cursor:pointer;min-height:44px}
.text-button{min-height:20px;padding:0 2px;text-decoration:underline;text-underline-offset:3px}
.site-head{top:20px;height:54px;border-bottom:1px solid rgba(160,128,208,.48)}
.head-inner{height:54px;display:flex;align-items:center;justify-content:space-between;padding-left:6px}
.brand-link{display:flex;align-items:center;min-height:44px;gap:9px;font-size:16px;font-weight:700}
.brand-media{min-width:1px}
.brand-logo{height:24px;width:auto}
.brand-fallback{display:inline-block}
.brand-media:has(img)+.brand-fallback{display:none}
.head-actions{display:flex;align-items:center;gap:8px}
.app-link,.menu-button{height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;font-size:14px}
.app-link{padding:0 14px;background:linear-gradient(90deg,var(--sky),var(--violet));color:var(--surface);font-weight:700}
.menu-button{padding:0 13px;border:1px solid var(--focus);background:var(--surface);font-weight:700}
.main-ring{top:74px;height:52px;border-bottom:1px solid var(--border)}
.ring-inner{height:52px;display:flex;align-items:center;justify-content:center;gap:18px}
.ring-item{height:44px;display:inline-flex;align-items:center;gap:7px;padding:0 9px;border-radius:10px;font-size:13px}
.ring-no{width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--ink);border:1px solid transparent;font-weight:700}
.ring-1 .ring-no{background:var(--coral)}.ring-2 .ring-no{background:var(--gold)}.ring-3 .ring-no{background:var(--mint)}.ring-4 .ring-no{background:var(--sky)}.ring-5 .ring-no{background:var(--violet)}
.ring-item.is-current .ring-no{outline:2px solid var(--ink);outline-offset:2px}
.ring-item:hover,.ring-item:focus-visible{background:var(--soft)}
.site-main{padding-top:158px;padding-bottom:38px;padding-left:6px}
h1,h2,h3,p{margin-top:0}
h1{font-size:24px;line-height:1.3;color:var(--ink);margin-bottom:14px}
h2{font-size:20px;line-height:1.4;color:var(--ink);margin-bottom:12px}
h3{font-size:16px;line-height:1.5;color:var(--ink);margin-bottom:8px}
p{margin-bottom:14px}
.lead{font-size:16px;color:var(--muted);max-width:760px}
.mini-label{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.06em;margin-bottom:9px}
.mini-label:before{content:"";width:26px;height:4px;border-radius:9px;background:linear-gradient(90deg,var(--sky),var(--violet))}
.hero{padding:22px 0 30px}
.home-index{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 20px}
.home-index a{font-size:13px;background:var(--surface);border:1px solid var(--border);border-radius:999px;min-height:40px;padding:7px 12px;display:inline-flex;align-items:center;gap:7px}
.home-index i{width:16px;height:16px;border-radius:50%;display:inline-block}
.home-index a:nth-child(1) i{background:var(--coral)}.home-index a:nth-child(2) i{background:var(--gold)}.home-index a:nth-child(3) i{background:var(--mint)}.home-index a:nth-child(4) i{background:var(--sky)}.home-index a:nth-child(5) i{background:var(--violet)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.btn{min-height:42px;padding:8px 16px;border-radius:9px;font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.btn-primary{background:linear-gradient(90deg,var(--sky),var(--violet));color:var(--surface)}
.btn-secondary{background:var(--surface);border:1px solid var(--violet);color:var(--ink)}
.btn:hover{transform:translateY(-1px)}.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.section{padding:28px 0;border-top:1px solid var(--border)}
.section-soft{background:var(--soft);box-shadow:0 0 0 100vmax var(--soft);clip-path:inset(0 -100vmax)}
.split-note{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.note-card,.info-card,.status-card,.faq-item,.policy-block,.topic-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px;box-shadow:var(--shadow)}
.image-slot{background:var(--surface);border:1px solid var(--border);border-radius:10px;min-height:160px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.image-slot img{width:100%;height:100%;max-height:100%}
.image-slot.small{min-height:92px}
.section-visual-176{height:176px;margin-bottom:16px}
.section-visual-180{height:180px;margin-bottom:16px}
.section-visual-210{height:210px;margin-bottom:18px}
.section-visual-220{height:220px;margin-bottom:18px}
.slant-home{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:center}
.slant-visual{height:176px;clip-path:polygon(12% 0,100% 0,100% 88%,0 100%,0 16%);border-radius:12px}
.slant-visual img{height:176px;width:100%}
.timeline{position:relative;margin:18px 0 0;padding-left:32px}
.timeline:before{content:"";position:absolute;left:10px;top:6px;bottom:8px;width:2px;background:linear-gradient(var(--coral),var(--gold),var(--mint))}
.timeline-item{position:relative;padding:0 0 24px 8px}
.timeline-item:before{content:"";position:absolute;left:-29px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--surface);border:3px solid var(--violet)}
.timeline-item:last-child{padding-bottom:0}
.timeline-visual{height:180px;margin:10px 0 14px}
.ring-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ring-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:50% 50% 12px 12px / 18% 18% 12px 12px;padding:28px 18px 18px;min-height:230px;box-shadow:var(--shadow)}
.ring-card:before{content:"";position:absolute;left:18px;right:18px;top:13px;height:4px;border-radius:99px;background:linear-gradient(90deg,var(--coral),var(--gold),var(--mint),var(--sky),var(--violet))}
.ring-card .image-slot{height:150px;min-height:150px;margin-bottom:12px}
.weijia-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.weijia-head-image{height:180px;margin-bottom:16px}
.period-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.period-card{background:var(--surface);border-top:4px solid var(--border);padding:16px;border-radius:8px;box-shadow:var(--shadow)}
.period-card:nth-child(1){border-top-color:var(--coral)}.period-card:nth-child(2){border-top-color:var(--sky)}.period-card:nth-child(3){border-top-color:var(--violet)}
.status-list{display:grid;gap:10px}
.status-line{display:grid;grid-template-columns:110px 1fr auto;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:12px 14px}
.status-tag{font-size:12px;font-weight:700;color:var(--ink);background:var(--soft);border-radius:999px;padding:5px 9px}
.app-showcase{text-align:center}
.app-images{display:flex;justify-content:center;gap:18px;align-items:center;flex-wrap:wrap;margin:16px auto;max-width:620px}
.app-poster{height:300px;min-height:260px;flex:1 1 260px;max-width:390px}
.app-poster img{max-height:300px;width:100%}
.app-icon-slot{width:86px;height:86px;min-height:86px;flex:0 0 86px}
.app-icon-slot img{width:48px;height:48px}
.text-wide{max-width:800px;margin-inline:auto;text-align:left}
.faq-mini{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.brand-block{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px;align-items:center}
.brand-block .image-slot{height:210px}
.page-head{padding:12px 0 24px}
.breadcrumb{display:flex;gap:6px;align-items:center;font-size:12px;color:var(--subtle);margin-bottom:12px}
.breadcrumb a{text-decoration:underline;text-underline-offset:3px}
.timeline-page .timeline{max-width:820px}
.timeline-page .timeline-item{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px 18px 18px 20px;margin-bottom:14px;box-shadow:var(--shadow)}
.slant-page .slant-section{display:grid;grid-template-columns:1.05fr .95fr;gap:20px;align-items:center;margin:20px 0}
.slant-page .slant-section:nth-child(even){grid-template-columns:.95fr 1.05fr}
.slant-page .slant-section:nth-child(even) .slant-media{order:2}
.slant-page .slant-media{min-height:220px;clip-path:polygon(0 8%,92% 0,100% 88%,8% 100%);border-radius:12px}
.ring-page .ring-board{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ring-page .ring-card{border-radius:100px 100px 12px 12px / 38px 38px 12px 12px}
.single-column{max-width:820px}
.single-column .info-card{margin-bottom:14px}
.xun-layout{display:grid;grid-template-columns:1fr;gap:0;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--surface)}
.xun-item{display:grid;grid-template-columns:140px 1fr;border-bottom:1px solid var(--border)}
.xun-item:last-child{border-bottom:0}.xun-label{padding:20px;background:var(--deep);font-weight:800;color:var(--ink)}.xun-copy{padding:20px}
.status-page .status-line{grid-template-columns:140px 1fr}
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.check-item{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px;position:relative}
.check-item:before{content:"✓";position:absolute;right:16px;top:14px;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--mint);color:var(--ink);font-weight:900}
.method-steps{counter-reset:steps;display:grid;gap:14px}
.method-step{counter-increment:steps;display:grid;grid-template-columns:52px 1fr;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px}
.method-step:before{content:counter(steps,decimal-leading-zero);width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--violet);color:var(--surface);font-weight:800}
.special-list{display:grid;gap:12px}
.special-item{display:grid;grid-template-columns:160px 1fr;gap:16px;align-items:start;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px}
.special-item strong{color:var(--ink)}
.center-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.center-card{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px 18px;box-shadow:var(--shadow)}
.center-card p{text-align:left}
.app-page .app-poster{margin-inline:auto}
.install-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;counter-reset:install}
.install-step{counter-increment:install;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px}
.install-step:before{content:counter(install);display:flex;width:28px;height:28px;border-radius:50%;align-items:center;justify-content:center;background:var(--sky);color:var(--ink);font-weight:800;margin-bottom:10px}
.policy-stack{display:grid;gap:14px}
.policy-block{border-left:4px solid var(--violet)}
.policy-block:nth-child(2n){border-left-color:var(--sky)}.policy-block:nth-child(3n){border-left-color:var(--mint)}
.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.faq-list{display:grid;gap:12px}
.faq-item h2{font-size:16px;margin-bottom:8px}
.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.about-banner{height:200px;margin-bottom:20px}
.about-banner img{height:200px;width:100%}
.about-values{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.site-footer{background:var(--ink);color:var(--bg);font-size:13px;margin-left:0;padding:28px 0 76px;border-left:6px solid transparent;border-image:linear-gradient(var(--coral),var(--gold),var(--mint),var(--sky),var(--violet)) 1}
.footer-inner{padding-left:6px}
.footer-brand{display:flex;gap:10px;align-items:center;margin-bottom:20px}
.footer-brand>div{display:flex;flex-direction:column}
.footer-logo-img{height:24px;width:auto;filter:brightness(1.7)}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.footer-links section{display:flex;flex-direction:column;gap:5px}
.footer-links h2{font-size:13px;color:var(--bg);margin:0 0 5px}
.footer-links a{color:#F4F6FF}
.footer-note{margin:22px 0 8px;color:#DDE0ED;max-width:850px}
.footer-copy{margin:0;color:#C8CBDA}
.page-overlay{position:fixed;inset:0;background:rgba(30,26,42,.48);z-index:210;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
.page-overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}
.drop-menu{position:fixed;left:0;right:0;top:20px;z-index:240;background:var(--surface);height:28vh;max-height:330px;overflow:auto;box-shadow:var(--shadow);transform:translateY(-110%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s}
.drop-menu.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}
.drop-menu-top{width:min(980px,calc(100% - 32px));margin:0 auto;min-height:56px;display:flex;align-items:center;justify-content:space-between}
.menu-brand{display:flex;align-items:center;gap:8px}.menu-logo-img{height:24px;width:auto}
.close-button{padding:0 8px;font-weight:700}
.menu-groups{width:min(980px,calc(100% - 32px));margin:0 auto;display:grid;grid-template-columns:1.1fr 1.1fr .9fr 1.3fr;gap:14px;padding-bottom:18px}
.menu-groups h2{font-size:13px;margin:0 0 8px}
.menu-groups a{display:block;border-top:1px solid var(--border);padding:5px 0}
.menu-groups b{display:block;font-size:13px}.menu-groups span{display:block;font-size:12px;color:var(--subtle)}
.search-panel{position:fixed;left:0;right:0;top:74px;z-index:235;visibility:hidden;pointer-events:none;transform:translateY(-18px);opacity:0;transition:.2s}
.search-panel.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}
.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:0 0 12px 12px;padding:18px;box-shadow:var(--shadow)}
.search-head{display:flex;justify-content:space-between;gap:10px}.search-head p{font-size:13px;color:var(--muted);margin:2px 0}
.search-label{display:block;font-size:12px;font-weight:700;margin:10px 0 5px}
.search-card input{width:100%;height:44px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--ink);padding:0 12px}
.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.search-presets a{min-height:40px;display:inline-flex;align-items:center;padding:6px 12px;border-radius:9px;background:var(--soft);border:1px solid var(--border)}
.search-empty{font-size:13px;color:var(--muted);margin:12px 0 0}
.mobile-bottom{display:none}
@media (max-width:760px){
    :root{--ring:0px}
    .color-rail{width:4px}
    .topline-inner,.head-inner,.footer-inner,.site-main{width:calc(100% - 32px);padding-left:0}
    .main-ring{display:none}
    .site-main{padding-top:106px;padding-bottom:82px}
    .head-actions{gap:4px}.app-link{padding:0 10px}.menu-button{padding:0 9px}
    .brand-fallback{font-size:15px}
    .split-note,.ring-cards,.weijia-grid,.period-row,.faq-mini,.brand-block,.ring-page .ring-board,.checklist,.center-cards,.help-grid,.contact-cards,.about-values{grid-template-columns:1fr}
    .slant-home,.slant-page .slant-section,.slant-page .slant-section:nth-child(even){grid-template-columns:1fr}
    .slant-page .slant-section:nth-child(even) .slant-media{order:0}
    .slant-visual{order:-1}
    .status-line,.status-page .status-line{grid-template-columns:1fr}
    .xun-item{grid-template-columns:96px 1fr}.xun-label,.xun-copy{padding:15px}
    .special-item{grid-template-columns:1fr}
    .install-flow{grid-template-columns:1fr 1fr}
    .footer-links{grid-template-columns:1fr 1fr}
    .drop-menu{top:0;height:28vh;max-height:none}
    .menu-groups{grid-template-columns:1fr 1fr;gap:10px}
    .search-panel{top:0;bottom:0;background:var(--ink);padding:18px 0;overflow:auto}
    .search-card{border:0;border-radius:0;background:var(--ink);color:var(--bg);box-shadow:none;width:calc(100% - 32px)}
    .search-head strong,.search-head p,.search-label{color:var(--bg)}
    .search-card input{background:#2A2638;color:var(--bg);border-color:rgba(255,255,255,.2)}
    .search-presets a{background:#302B40;color:var(--bg);border-color:rgba(255,255,255,.16)}
    .search-empty{color:#DDE0ED}
    .mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:195;background:var(--surface);min-height:48px;padding-bottom:env(safe-area-inset-bottom);border-top:1px solid var(--border)}
    .mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px}
    .mobile-bottom a.is-current{background:var(--violet);color:var(--surface);font-weight:700}
    .site-footer{padding-bottom:88px}
}
@media (max-width:480px){
    .home-index{gap:6px}.home-index a{padding:6px 9px}
    .menu-groups{grid-template-columns:1fr}.drop-menu{height:28vh}
    .install-flow{grid-template-columns:1fr}
    .app-images{align-items:flex-start}.app-icon-slot{width:72px;height:72px;flex-basis:72px}
}
@media (prefers-reduced-motion:reduce){
    *{scroll-behavior:auto!important;transition:none!important}
}