/* roulang page: index */
:root{--bg:#0b101c;--surface:#121a2a;--surface-2:#192338;--ink:#f1f5ff;--muted:#a4afc5;--line:rgba(176,197,237,.14);--primary:#adf563;--violet:#a692ff;--cyan:#70dfed;--radius:24px;--shadow:0 22px 60px rgba(0,0,0,.25);--space:88px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:color .2s,background .2s,transform .2s}a:hover{color:var(--primary)}img,svg{max-width:100%;vertical-align:middle}button,input,select{font:inherit}button{cursor:pointer}::selection{background:var(--primary);color:var(--bg)}:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}h1,h2,h3,h4,p{margin:0}h1,h2,h3{font-weight:750;line-height:1.3;letter-spacing:-.035em}h1{font-size:clamp(36px,4.4vw,62px)}h2{font-size:clamp(27px,3vw,39px)}h3{font-size:21px}p{color:var(--muted)}ul{list-style:none;padding:0;margin:0}.container{max-width:1240px;padding-left:28px;padding-right:28px}.site-header{position:sticky;top:0;z-index:50;background:rgba(11,16,28,.95);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.navbar{padding:17px 0;gap:28px;flex-wrap:nowrap}.brand{display:inline-flex;align-items:center;gap:11px;font-size:25px;font-weight:850;letter-spacing:-1px;white-space:nowrap}.brand-icon{display:grid;place-items:center;width:36px;height:36px;background:var(--primary);color:#0c1420;border-radius:11px;transform:rotate(-8deg);font-size:23px;font-weight:900;box-shadow:0 0 24px #adf56318}.nav-links{display:flex;gap:30px;align-items:center;margin-left:25px}.nav-links a{font-size:14px;font-weight:600;position:relative;padding:10px 0;color:var(--muted)}.nav-links a:hover,.nav-links a.active{color:var(--primary)}.nav-links a.active:after{content:"";position:absolute;bottom:-18px;left:0;right:0;height:2px;background:var(--primary);box-shadow:0 0 12px var(--primary)}.header-end{margin-left:auto;display:flex;align-items:center;gap:16px}.header-search{display:flex;width:200px;align-items:center;border:1px solid var(--line);border-radius:12px;background:#161e2e;padding:0 11px}.header-search input{width:100%;min-width:0;background:none;border:0;color:var(--ink);font-size:12px;padding:9px 0}.header-search button{border:0;color:var(--muted);background:none;padding:0 0 0 8px}.header-search:focus-within{border-color:var(--cyan)}.nav-toggler{display:none;background:var(--surface);border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:6px 12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:15px;border-radius:12px;padding:13px 22px;font-weight:700;font-size:14px;line-height:1.4;border:1px solid transparent;transition:all .2s;white-space:normal}.btn-primary{background:var(--primary);color:#10200c;border-color:var(--primary)}.btn-primary:hover,.btn-primary:focus{background:#c1ff86;color:#10200c;border-color:#c1ff86;box-shadow:0 6px 24px #adf56322;transform:translateY(-2px)}.btn-primary:active{background:#91d64b!important;color:#10200c!important;border-color:#91d64b!important;transform:translateY(0)}.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}.btn-outline:hover{background:var(--surface-2);border-color:var(--muted);color:var(--ink)}.btn-sm{font-size:12px;padding:10px 14px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--primary);font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px}.eyebrow:before{content:"";width:21px;height:2px;background:currentColor}.tag{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:7px;padding:3px 9px;font-size:11px;color:var(--muted);line-height:1.6}.tag.lime{background:#adf56310;border-color:#adf56325;color:var(--primary)}.tag.purple{background:#a692ff12;color:#c2b6ff;border-color:#a692ff30}.tag.cyan{background:#70dfed0d;color:var(--cyan);border-color:#70dfed30}main>section{padding:var(--space) 0;border-bottom:1px solid var(--line)}.hero{position:relative;padding:75px 0 45px;overflow:hidden;background:radial-gradient(ellipse at 85% 20%,#6758a924,transparent 53%)}.hero .row{position:relative;z-index:1}.hero-copy{padding-top:25px;padding-bottom:38px}.hero h1 em{font-style:normal;background:linear-gradient(105deg,#b4f579,#79ddd7 58%,#bdaaff);background-clip:text;-webkit-background-clip:text;color:transparent;display:block;margin-top:8px}.hero-intro{font-size:14px;line-height:1.95;margin:24px 0 28px;max-width:470px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-kpis{display:flex;gap:25px;margin-top:35px}.hero-kpis>div{border-left:1px solid var(--line);padding-left:15px}.hero-kpis strong{font-size:23px;font-weight:750;display:block;line-height:1.2}.hero-kpis span{font-size:11px;color:var(--muted)}.arena-wrap{position:relative;padding:12px 0 42px 25px;transform:translateY(30px)}.arena{border:1px solid #b6b2ff35;border-radius:32px;overflow:hidden;box-shadow:var(--shadow);background:#141a2b;transform:rotate(-3deg);position:relative}.arena svg{display:block;width:100%;height:auto}.arena:after{content:"";position:absolute;inset:0;border-radius:32px;box-shadow:inset 0 0 70px #8981d31a;pointer-events:none}.arena-caption{position:absolute;bottom:32px;left:28px;right:28px;display:flex;align-items:end;justify-content:space-between;gap:15px}.arena-caption strong{font-size:28px;display:block;line-height:1.4}.arena-caption span{font-size:12px;color:#b8c3d7}.visual-note{position:absolute;top:40px;left:45px;padding:7px 12px;border:1px solid #ffffff25;background:#10172dbb;border-radius:30px;font-size:11px;transform:rotate(-3deg)}.floating-label{position:absolute;right:10px;bottom:20px;background:#222c41;border:1px solid #ffffff24;box-shadow:var(--shadow);border-radius:16px;padding:14px 22px;display:flex;gap:17px;align-items:center}.floating-label b{color:var(--primary);font-size:26px}.floating-label span{font-size:12px;color:#cbd4e7}.status-strip{display:flex;gap:18px;align-items:center;border-top:1px solid var(--line);padding-top:23px;margin-top:35px;font-size:12px;color:var(--muted)}.status-dot{width:7px;height:7px;background:var(--primary);border-radius:100%;display:inline-block;margin-right:8px;box-shadow:0 0 12px #adf56370}.status-strip .end{margin-left:auto}.section-head{display:flex;justify-content:space-between;align-items:end;gap:45px;margin-bottom:34px}.section-head>div{flex:1}.section-head>p{max-width:520px;font-size:14px}.section-head .eyebrow{margin-bottom:12px}.section-number{color:#66748e;font-family:monospace;font-size:13px;letter-spacing:1px;margin-bottom:14px}.section-lead{font-size:14px;max-width:730px;margin:21px 0 32px}.panel,.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);box-shadow:none}.card{height:100%;padding:27px;transition:transform .22s,border-color .22s,box-shadow .22s}.card:hover{transform:translateY(-4px);border-color:#a692ff50;box-shadow:var(--shadow)}.card p{font-size:13px;line-height:1.9;margin-top:14px}.card h3{font-size:19px}.icon-box{height:45px;width:45px;display:grid;place-items:center;border:1px solid #a692ff30;background:#a692ff12;border-radius:13px;color:var(--violet);font-size:22px;margin-bottom:25px}.metric{font-size:42px;font-weight:750;letter-spacing:-2px;line-height:1.1;margin-bottom:15px;color:var(--primary)}.metric small{font-size:14px;color:var(--muted);letter-spacing:0;margin-left:5px}.value-section{background:#0f1623}.value-card{position:relative;overflow:hidden}.value-card .tag{position:absolute;top:26px;right:23px}.matrix-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:18px}.feature-main{grid-row:span 2;background:linear-gradient(145deg,#222d42,#172635);padding:32px;min-height:390px;display:flex;flex-direction:column}.feature-main h3{font-size:26px}.feature-main p{font-size:14px;line-height:1.9;margin-top:16px}.radar{position:relative;margin:auto auto 10px;width:170px;height:170px;border:1px solid #70dfed3b;border-radius:50%;display:grid;place-items:center;background:repeating-radial-gradient(circle,transparent 0 27px,#70dfed16 28px 29px)}.radar:before,.radar:after{content:"";position:absolute;background:#70dfed30}.radar:before{height:1px;width:100%}.radar:after{width:1px;height:100%}.radar span{background:var(--cyan);color:#12262b;width:62px;height:62px;border-radius:18px;display:grid;place-items:center;font-weight:800;z-index:1;box-shadow:0 0 45px #70dfed25}.matrix-grid .card{padding:25px}.matrix-grid .icon-box{margin-bottom:18px}.compare-wrap{border-radius:var(--radius);border:1px solid var(--line);overflow:hidden}.compare-row{display:grid;grid-template-columns:.6fr 1fr 1fr;gap:25px;padding:22px 28px;align-items:center;border-bottom:1px solid var(--line);font-size:13px}.compare-row:last-child{border-bottom:0}.compare-row>span{color:var(--muted)}.compare-row>span:last-child{color:#c9eaaa}.compare-header{background:var(--surface-2);font-size:14px;font-weight:700}.compare-header>span:last-child{color:var(--primary)}.compare-row:not(.compare-header):nth-child(odd){background:#111927}.journey{background:#101727}.journey-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.journey-item{padding-top:24px;border-top:1px solid #a692ff50}.journey-item b{display:block;color:var(--violet);font-size:34px;margin-bottom:14px;font-family:monospace}.journey-item h3{margin-bottom:12px}.journey-item p{font-size:13px;line-height:1.9}.channel-panel{display:grid;grid-template-columns:1fr 1fr;overflow:hidden}.channel-copy{padding:42px;background:linear-gradient(135deg,#26344b,#25233b)}.channel-copy h3{font-size:29px;margin:18px 0}.channel-copy p{font-size:14px;margin-bottom:26px}.channel-list{padding:8px 32px}.channel-list li{padding:23px 0;display:flex;gap:20px;border-bottom:1px solid var(--line)}.channel-list li:last-child{border:0}.channel-list strong{min-width:66px;font-size:15px}.channel-list p{font-size:13px}.perspective-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.quote-card{padding:32px;background:#172031;border-radius:var(--radius);border:1px solid var(--line)}.quote-mark{font-size:48px;line-height:1;color:var(--violet)}.quote-card h3{font-size:23px;margin:12px 0 15px}.quote-card p{font-size:14px}.quote-bottom{display:flex;align-items:center;gap:12px;margin-top:26px;color:var(--muted);font-size:12px}.avatar{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#a692ff20;color:var(--violet)}.requirements{background:#101724}.req-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.req-cell{padding:27px;border-right:1px solid var(--line)}.req-cell:last-child{border:0}.req-cell h3{font-size:16px;margin:12px 0}.req-cell p{font-size:13px}.req-cell .symbol{font-size:25px;color:var(--cyan)}.article-tools{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:25px}.filter-btn{border:1px solid var(--line);color:var(--muted);background:transparent;border-radius:30px;padding:7px 17px;font-size:12px;transition:all .2s}.filter-btn.active,.filter-btn:hover{background:var(--primary);color:#162213;border-color:var(--primary)}.article-list{border-top:1px solid var(--line)}.article-row{display:grid;grid-template-columns:66px 1fr 100px;gap:23px;padding:27px 0;border-bottom:1px solid var(--line);align-items:start}.article-num{font-size:32px;line-height:1.3;font-weight:700;color:#475871}.article-row h3{font-size:19px;margin-bottom:9px}.article-row p{font-size:13px;max-width:830px}.article-row .tag{justify-self:end;margin-top:5px}.article-row[hidden]{display:none}.article-empty{padding:30px;border:1px dashed var(--line);border-radius:16px;color:var(--muted)}.guard{background:radial-gradient(ellipse at 5% 90%,#32365355,transparent 60%),#121a29}.guard-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px}.guard-layout .section-lead{margin-bottom:0}.guard-list{display:grid;gap:22px}.guard-list li{display:flex;gap:18px}.check{display:grid;place-items:center;flex-shrink:0;width:29px;height:29px;background:#adf56312;border:1px solid #adf56325;border-radius:9px;color:var(--primary)}.guard-list h3{font-size:17px;margin-bottom:8px}.guard-list p{font-size:13px}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.quick-item{padding:4px 25px 4px 0;border-right:1px solid var(--line)}.quick-item:last-child{border:0}.quick-item h3{font-size:17px;margin-bottom:14px}.quick-item p{font-size:13px}.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:65px}.faq-wrap .section-lead{max-width:360px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:21px 0}summary{list-style:none;cursor:pointer;font-size:15px;font-weight:650;padding-right:35px;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:0;top:-4px;color:var(--primary);font-size:24px;font-weight:400}details[open] summary:after{content:"−"}details p{font-size:13px;padding:15px 30px 0 0;line-height:1.9}summary:hover{color:var(--primary)}.preference-section{padding-top:65px;padding-bottom:65px}.preference-box{padding:40px;border:1px solid #a692ff45;border-radius:30px;background:linear-gradient(110deg,#253144,#242138);display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.preference-box h2{font-size:30px}.preference-box p{font-size:13px;margin-top:17px}.preference-form label{display:block;font-size:12px;color:#c6cde0;margin-bottom:7px}.form-select{color:var(--ink);background-color:#111a2b;border:1px solid #7783a74d;border-radius:12px;padding:12px 38px 12px 14px;font-size:13px;--bs-form-select-bg-img:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23a4afc5' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e")}.form-select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px #70dfed20}.preference-form .btn{width:100%;margin-top:15px}.preference-result{padding:15px;border-left:2px solid var(--primary);background:#0b101c55;border-radius:0 10px 10px 0;color:#e0eddb!important}.form-note{font-size:11px!important;color:var(--muted)}footer{padding:45px 0 24px;background:#080d16}.footer-top{display:flex;justify-content:space-between;gap:35px;align-items:center;padding-bottom:30px}.footer-top p{font-size:12px;max-width:450px;margin-top:12px}.footer-links{display:flex;gap:25px;font-size:12px;color:var(--muted);flex-wrap:wrap}.footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:#758198}.skip-link{position:fixed;top:-100px;left:20px;padding:10px 20px;background:var(--primary);color:#10200c;z-index:100}.skip-link:focus{top:15px}.category-hero{background:radial-gradient(ellipse at right,#534c8933,transparent 60%)}.category-hero h1{font-size:50px;max-width:900px}.category-hero p{max-width:850px;font-size:15px;margin-top:25px}.category-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.search-notice{font-size:12px;color:var(--cyan);margin-bottom:16px}
@media(min-width:1400px){.container{max-width:1300px}}
@media(max-width:1024px){:root{--space:68px}.nav-links{margin-left:0;gap:22px}.header-search{width:155px}.header-end>.btn{display:none}.hero h1{font-size:45px}.arena-wrap{padding-left:5px}.hero-kpis{gap:15px}.section-head{gap:30px}.matrix-grid{grid-template-columns:1fr 1fr}.feature-main{grid-column:1/-1;grid-row:auto;min-height:220px;padding-right:240px;position:relative}.radar{position:absolute;right:35px;top:28px}.guard-layout{gap:35px}.req-cell{padding:21px}.preference-box{gap:30px}}
@media(max-width:768px){:root{--space:55px}.container{padding-left:22px;padding-right:22px}.navbar{flex-wrap:wrap;gap:14px;padding:14px 0}.brand{font-size:23px}.header-end{margin-left:auto}.header-search{display:none}.nav-toggler{display:block}.nav-links{display:none;order:3;width:100%;padding:12px 0 3px;gap:30px;border-top:1px solid var(--line)}.nav-links.open{display:flex}.nav-links a.active:after{bottom:-4px}.hero{padding-top:37px}.hero-copy{padding-bottom:10px}.hero h1{font-size:48px}.hero-intro{max-width:100%}.arena-wrap{max-width:640px;margin:10px auto 0;padding:15px 12px 40px;transform:none}.arena{transform:rotate(-2deg)}.hero-kpis{gap:32px}.status-strip{flex-wrap:wrap;gap:10px 18px}.status-strip .end{margin-left:0}.section-head{display:block}.section-head>p{max-width:100%;margin-top:20px}.journey-grid{gap:20px}.channel-panel,.perspective-grid,.guard-layout,.faq-wrap,.preference-box{grid-template-columns:1fr}.channel-copy{padding:30px}.req-grid{grid-template-columns:1fr 1fr}.req-cell{border-bottom:1px solid var(--line)}.req-cell:nth-child(2){border-right:0}.req-cell:nth-child(3){border-bottom:0}.quick-grid{gap:20px}.quick-item{padding-right:15px}.faq-wrap{gap:15px}.faq-wrap .section-lead{max-width:none}.preference-box{padding:30px;gap:25px}.footer-top{align-items:start;flex-direction:column;gap:25px}.footer-bottom{flex-direction:column;gap:8px}.category-hero h1{font-size:38px}.compare-row{gap:15px;padding:19px;font-size:12px;grid-template-columns:.55fr 1fr 1fr}}
@media(max-width:520px){.container{padding-left:18px;padding-right:18px}.hero h1{font-size:39px}.hero-intro{font-size:13px}.hero-kpis{gap:23px}.hero-kpis strong{font-size:21px}.hero-kpis>div{padding-left:11px}.hero-actions .btn{flex:1}.arena-caption{left:23px;bottom:30px}.arena-caption strong{font-size:23px}.arena-caption>.tag{display:none}.visual-note{top:29px;left:31px;font-size:10px}.floating-label{right:5px;padding:9px 15px;bottom:18px}.floating-label b{font-size:22px}.floating-label span{font-size:10px}.status-strip{font-size:10px;margin-top:15px}.matrix-grid{grid-template-columns:1fr}.feature-main{grid-column:auto;min-height:340px;padding:27px}.radar{position:relative;top:auto;right:auto;margin:25px auto 0;width:145px;height:145px}.journey-grid,.quick-grid{grid-template-columns:1fr}.journey-item{display:grid;grid-template-columns:45px 1fr;column-gap:15px}.journey-item b{grid-row:span 2;font-size:28px}.journey-item h3{font-size:19px}.journey-item p{grid-column:2}.quick-item{border-right:0;border-bottom:1px solid var(--line);padding:0 0 20px}.article-row{grid-template-columns:35px 1fr;gap:13px}.article-row .tag{grid-column:2;justify-self:start;margin-top:0}.article-num{font-size:25px}.article-row h3{font-size:17px}.compare-row{gap:12px;padding:17px 13px;grid-template-columns:.48fr 1fr 1fr;font-size:11px}.compare-header{font-size:12px}.req-cell{padding:20px 16px}.channel-list{padding:5px 24px}.quote-card{padding:25px}.preference-box{padding:26px 22px}.preference-box h2{font-size:27px}.category-hero h1{font-size:34px}.footer-links{gap:19px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{--bg:#0b101c;--surface:#121a2a;--surface2:#192338;--ink:#f1f5ff;--muted:#a4afc5;--line:rgba(176,197,237,.14);--primary:#adf563;--violet:#a692ff;--cyan:#70dfed;--radius:24px;--shadow:0 22px 60px rgba(0,0,0,.25)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}a{color:inherit;text-decoration:none;transition:.2s}a:hover{color:var(--primary)}.container{max-width:1240px;padding:0 28px;margin:auto}.site-header{position:sticky;top:0;z-index:20;background:#0b101cf2;backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.navbar{min-height:75px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:850;white-space:nowrap}.brand-icon{display:grid;place-items:center;width:36px;height:36px;background:var(--primary);color:#10200c;border-radius:11px;font-size:22px;font-weight:900}.tag{font-size:11px;padding:3px 9px;border:1px solid #adf56335;border-radius:7px;color:var(--primary);background:#adf56310}.nav-links{display:flex;gap:30px;margin-left:24px}.nav-links a{font-size:14px;color:var(--muted);padding:10px 0;position:relative}.nav-links a.active,.nav-links a:hover{color:var(--primary)}.nav-links a.active:after{content:"";position:absolute;bottom:-14px;left:0;right:0;height:2px;background:var(--primary);box-shadow:0 0 12px var(--primary)}.header-end{margin-left:auto;display:flex;gap:14px;align-items:center}.header-search{display:flex;border:1px solid var(--line);border-radius:12px;padding:0 10px;background:var(--surface)}.header-search input{width:155px;background:none;border:0;outline:0;color:var(--ink);padding:9px;font-size:12px}.header-search button,.nav-toggler{border:0;background:none;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 20px;font-size:14px;font-weight:700;border:1px solid transparent}.btn-primary{background:var(--primary);color:#10200c}.btn-primary:hover{color:#10200c;background:#c3ff8b;transform:translateY(-2px)}.btn-outline{border-color:var(--line);color:var(--ink)}.btn-outline:hover{background:var(--surface2);color:var(--ink)}.hero{padding:90px 0 72px;background:radial-gradient(circle at 85% 15%,#7164bd35,transparent 42%);border-bottom:1px solid var(--line)}.eyebrow{color:var(--primary);font-size:12px;letter-spacing:2px;font-weight:700}.hero h1{font-size:clamp(38px,6vw,70px);line-height:1.15;margin:18px 0}.hero h1 em{font-style:normal;color:var(--cyan)}.hero p{max-width:680px;color:var(--muted);font-size:16px}.hero-panel{background:linear-gradient(145deg,#202b45,#131b2b);border:1px solid #a692ff42;border-radius:30px;padding:30px;box-shadow:var(--shadow)}.metric{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:17px 0;font-size:14px}.metric strong{color:var(--primary);font-size:22px}.section{padding:76px 0;border-bottom:1px solid var(--line)}.section.alt{background:#0f1623}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}.section-head h2{font-size:32px;margin:8px 0}.section-head p{max-width:530px;color:var(--muted);font-size:14px}.card{height:100%;padding:27px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:.22s}.card:hover{transform:translateY(-5px);border-color:#a692ff60;box-shadow:var(--shadow)}.card h3{font-size:20px}.card p{color:var(--muted);font-size:14px}.badge-dot{width:10px;height:10px;background:var(--primary);border-radius:50%;display:inline-block;box-shadow:0 0 12px var(--primary)}.timeline{border-left:2px solid #a692ff55;padding-left:28px}.timeline-item{position:relative;margin-bottom:28px}.timeline-item:before{content:"";position:absolute;left:-36px;top:9px;width:14px;height:14px;border-radius:50%;background:var(--violet);box-shadow:0 0 16px var(--violet)}.timeline-item small{color:var(--cyan)}.news-list .news{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.news small{color:var(--muted);white-space:nowrap}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:15px;margin:10px 0;padding:17px 21px}.faq summary{cursor:pointer;font-weight:700}.faq p{color:var(--muted);font-size:14px;margin:14px 0 0}.cta{padding:70px 0;background:linear-gradient(105deg,#1b2940,#1c263d)}.cta h2{font-size:34px}.cta p{color:var(--muted)}footer{padding:45px 0 25px;color:var(--muted)}.footer-top{display:flex;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line);padding-bottom:30px}.footer-top p{max-width:420px;font-size:13px}.footer-links{display:flex;gap:22px;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;padding-top:20px;font-size:12px}.nav-toggler{display:none}@media(max-width:768px){.nav-links{display:none;position:absolute;top:75px;left:0;right:0;background:var(--surface);padding:15px 28px;flex-direction:column;gap:5px;margin:0}.nav-links.open{display:flex}.nav-toggler{display:block}.header-search{display:none}.hero{padding:62px 0}.section-head,.footer-top,.footer-bottom{display:block}.footer-links{margin-top:25px;flex-wrap:wrap}.footer-bottom span{display:block;margin-top:9px}}@media(max-width:520px){.container{padding:0 18px}.brand{font-size:19px}.brand .tag{display:none}.header-end .btn{display:none}.hero h1{font-size:40px}.hero-panel{margin-top:30px;padding:22px}.section{padding:55px 0}.section-head h2{font-size:27px}.news .news-title{font-size:13px}}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}