/* roulang page: index */
:root{--bg:#081426;--surface:#101f35;--surface2:#142740;--ink:#edf4ff;--muted:#a0b2cc;--line:rgba(168,201,255,.16);--blue:#75a7ff;--cyan:#6ae7e0;--radius:22px;--shadow:0 18px 55px #02091860;--space:86px}
*{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",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(--cyan)}button,input{font:inherit}button{cursor:pointer}img,svg{max-width:100%;vertical-align:middle}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--ink);font-weight:700;line-height:1.35}h1{font-size:clamp(32px,4.3vw,58px);letter-spacing:-1.5px}h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.7px;margin-bottom:18px}h3{font-size:19px;margin-bottom:12px}p{color:var(--muted);margin-bottom:18px}small{color:var(--muted)}::selection{background:#357ad7;color:white}:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}.container{max-width:1200px;padding-left:26px;padding-right:26px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(8,20,38,.94);backdrop-filter:blur(22px);border-bottom:1px solid var(--line)}.navbar{min-height:84px;padding:14px 0;gap:24px;flex-wrap:nowrap}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:19px;font-weight:800}.brand-mark{display:grid;place-items:center;width:36px;height:39px;border-radius:11px;background:#163559;color:var(--cyan);border:1px solid #4e89be}.navlinks{display:flex;gap:7px;margin-right:auto}.navlinks a{padding:8px 13px;border-radius:10px;font-size:14px;color:var(--muted);white-space:nowrap}.navlinks a:hover,.navlinks a.active{color:var(--ink);background:#203755}.navtools{display:flex;align-items:center;gap:10px}.searchbox{position:relative;width:158px}.searchbox input{width:100%;background:#101f35;border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:9px 32px 9px 12px;font-size:13px}.searchbox input::placeholder{color:#92a5c0}.searchbox button{position:absolute;right:6px;top:6px;border:0;background:transparent;color:var(--blue);padding:0 5px}.btn{padding:12px 23px;border-radius:12px;font-weight:650;font-size:14px;transition:all .2s;border:1px solid transparent;line-height:1.6}.btn-sm{padding:9px 14px;white-space:nowrap}.btn-primary{background:#70a4ff;color:#07162c;border-color:#8db6ff;box-shadow:0 0 24px #518aff30}.btn-primary:hover,.btn-primary:focus{background:#95beff;color:#07162c;border-color:#add0ff;box-shadow:0 0 32px #518aff60;transform:translateY(-2px)}.btn-outline{background:#ffffff04;color:var(--ink);border-color:#ffffff30}.btn-outline:hover{background:#223e60;color:white;border-color:var(--blue)}.btn:active{transform:translateY(1px)}.menu-toggle{display:none;background:var(--surface);border:1px solid var(--line);color:white;border-radius:9px;padding:6px 12px}
section{padding:var(--space) 0;border-bottom:1px solid var(--line)}section:nth-of-type(even){background:#0b182b}.eyebrow{display:inline-flex;gap:9px;align-items:center;color:var(--cyan);font-size:12px;font-weight:700;letter-spacing:2px;margin-bottom:17px}.dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}.section-intro{max-width:730px;font-size:15px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:30px}.section-head p{margin:0}.glass{background:linear-gradient(135deg,rgba(42,68,104,.47),rgba(14,30,51,.75));border:1px solid var(--line);backdrop-filter:blur(12px);border-radius:var(--radius);box-shadow:var(--shadow)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;color:var(--ink);height:100%;transition:transform .2s,border-color .2s,box-shadow .2s}.card:hover{transform:translateY(-4px);border-color:#567ba5;box-shadow:var(--shadow)}.card p{font-size:14px;margin:0}.tag{display:inline-block;border:1px solid #7ba9ec30;border-radius:7px;padding:3px 9px;color:#b3d0fc;background:#679ffc0b;font-size:12px}.iconbox{display:grid;place-items:center;width:44px;height:44px;background:#5e9cff14;border:1px solid #5e9cff25;border-radius:13px;color:var(--cyan);font-size:20px;margin-bottom:22px}
.hero{position:relative;overflow:hidden;padding:64px 0 54px;background:radial-gradient(ellipse at 50% 45%,#17396770,transparent 70%)}.hero:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(#83b2ff05 1px,transparent 1px),linear-gradient(90deg,#83b2ff05 1px,transparent 1px);background-size:52px 52px}.hero .container{position:relative}.hero-copy{max-width:930px;margin:auto;text-align:center}.hero-copy p{max-width:850px;margin:20px auto 30px;font-size:15px}.hero h1 span{color:var(--blue)}.coupon-wall{display:grid;grid-template-columns:1fr 1.9fr 1fr;gap:18px;align-items:center;margin-top:36px}.coupon-mini{padding:25px 23px;min-height:185px}.coupon-mini .coupon-number{font-size:35px;color:#aac9ff;font-weight:750}.coupon-mini p{font-size:13px;margin:10px 0 0}.main-coupon{position:relative;padding:30px 32px;border:1px solid #7cabfa80;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:225px;box-shadow:0 0 70px #277bfc1a;background:linear-gradient(120deg,#173a64,#132947)}.main-coupon:before,.main-coupon:after{content:"";position:absolute;width:20px;height:20px;border-radius:50%;background:var(--bg);top:50%;border:1px solid #739ddd60}.main-coupon:before{left:-11px}.main-coupon:after{right:-11px}.coupon-title{font-size:29px;font-weight:800;margin:7px 0}.coupon-stamp{color:var(--cyan);font-size:12px;letter-spacing:3px}.coupon-side{border-left:1px dashed #abcaff50;padding-left:24px;text-align:center;flex-shrink:0}.coupon-side small{display:block;margin-top:12px;font-size:11px}.hero-note{text-align:center;font-size:12px;margin:23px 0 0}.statement{padding:18px 22px;border-left:3px solid var(--cyan);background:#61d7d908;border-radius:0 12px 12px 0;margin-top:24px;color:#c4d4e8;font-size:14px}
.issue-list{list-style:none;margin:0;padding:0}.issue-list li{display:grid;grid-template-columns:42px 1fr;gap:15px;border-bottom:1px solid var(--line);padding:22px 0}.issue-list li:first-child{padding-top:0}.issue-list li:last-child{border-bottom:0}.issue-list b{color:var(--blue);font-size:20px}.issue-list h3{font-size:17px;margin-bottom:6px}.issue-list p{font-size:14px;margin:0}.feature-panel{padding:32px}.panel-bar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:25px}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.choice{border:1px solid #6c91c540;background:#0c1d33;color:var(--ink);border-radius:13px;padding:22px 16px;text-align:left;transition:.2s}.choice strong{display:block;font-size:18px;margin-bottom:6px}.choice small{font-size:12px}.choice:hover{background:#19395c;border-color:var(--blue)}.choice.selected{background:#20446b;border-color:var(--cyan);box-shadow:inset 0 0 0 1px var(--cyan)}.status{min-height:28px;font-size:13px;color:var(--cyan);margin:18px 0 0}.feature-notes{display:flex;flex-direction:column;justify-content:center;height:100%}.feature-notes .note{padding:17px 0;border-bottom:1px solid var(--line)}.note h3{font-size:17px}.note p{font-size:14px;margin:0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:35px}.step{padding:0 30px;border-left:1px solid var(--line)}.step:first-child{padding-left:0;border:0}.step-number{font-size:42px;font-weight:800;color:#547fba;margin-bottom:13px;line-height:1}.step p{font-size:14px;margin-bottom:0}.device-band{padding:32px;display:flex;align-items:center;gap:28px}.device-art{width:150px;flex-shrink:0;color:var(--blue)}.device-text{flex:1}.device-text p{margin:0;font-size:14px}.device-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.opinion-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:18px}.quote{padding:28px;border-radius:var(--radius);background:#101f35;border:1px solid var(--line)}.quote:first-child{background:#183555}.quote-mark{font-size:45px;color:var(--blue);height:45px;line-height:1}.quote blockquote{font-size:18px;line-height:1.7;margin:14px 0 23px}.quote p{font-size:13px;margin:0}.caption{font-size:12px;color:var(--muted);margin-top:18px}.requirements{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-top:30px}.requirement{padding:24px;border-right:1px solid var(--line)}.requirement:last-child{border:0}.requirement strong{display:block;margin-bottom:9px;color:var(--cyan)}.requirement p{font-size:13px;margin:0}.channel{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:30px;border-radius:18px;background:#163051;border:1px solid #547fb54d}.channel h3{font-size:23px}.channel p{font-size:14px;margin:0;max-width:720px}.arrow{font-size:30px;color:var(--cyan);flex-shrink:0}
.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:115px 1fr 35px;gap:22px;align-items:start;padding:27px 0;border-bottom:1px solid var(--line)}.news-item h3{font-size:19px}.news-item p{margin:0;font-size:14px;max-width:830px}.news-type{color:var(--blue);font-size:13px;padding-top:4px}.news-item .arrow{font-size:20px}.no-results{display:none;padding:22px;background:var(--surface);border-radius:12px;color:var(--muted)}
.invite-panel{padding:32px}.progress{height:8px;background:#07162b;border-radius:20px;margin:20px 0 13px}.progress-bar{background:var(--cyan);transition:width .4s}.progress-label{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.task-list{list-style:none;padding:0;margin:24px 0}.task-list li{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;gap:15px}.task-list span{color:var(--muted);font-size:12px}.ranking{height:100%;padding:30px}.ranking ol{padding:0;list-style:none;margin:22px 0 0;counter-reset:rank}.ranking li{counter-increment:rank;display:flex;gap:16px;padding:17px 0;border-top:1px solid var(--line);font-size:14px}.ranking li:before{content:"0" counter(rank);color:var(--blue);font-weight:700}.ranking li span{margin-left:auto;color:var(--muted);font-size:12px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}.metric{padding:24px 0;border-top:2px solid #305482}.metric strong{display:block;font-size:34px;color:var(--ink);line-height:1.4}.metric span{color:var(--muted);font-size:13px}.closing{margin-top:28px;border-radius:16px;border:1px solid var(--line);padding:23px;display:flex;gap:25px;justify-content:space-between;align-items:center}.closing p{margin:0;font-size:14px}
.site-footer{background:#050e1c;padding:45px 0 24px}.footer-top{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;padding-bottom:28px}.footer-top p{max-width:690px;font-size:13px;margin:16px 0 0}.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:13px}.footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8399b6}.toast-message{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#193f58;border:1px solid var(--cyan);border-radius:12px;padding:14px 24px;z-index:100;color:white;box-shadow:var(--shadow);max-width:calc(100% - 32px);display:none;font-size:14px}.toast-message.show{display:block}
@media(min-width:1400px){.container{max-width:1250px}}
@media(max-width:1024px){.navbar{gap:14px}.brand{font-size:16px}.navlinks a{padding:8px}.searchbox{width:130px}.navtools .quiet-entry{display:none}.coupon-wall{grid-template-columns:1fr 2.2fr}.coupon-mini:last-child{display:none}.opinion-grid{grid-template-columns:1fr 1fr}.quote:first-child{grid-column:1/-1}.requirements{grid-template-columns:repeat(2,1fr)}.requirement:nth-child(2){border-right:0}.requirement:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:768px){:root{--space:58px}.container{padding-left:20px;padding-right:20px}.navbar{flex-wrap:wrap;justify-content:space-between;min-height:72px}.menu-toggle{display:block}.navlinks{display:none;width:100%;order:3;margin:0}.navlinks.open{display:flex}.navtools{margin-left:auto}.searchbox{width:145px}.navtools>.btn{display:none}.hero{padding:43px 0}.hero-copy{text-align:left}.hero-copy p{font-size:14px}.hero h1{letter-spacing:-.7px}.coupon-wall{grid-template-columns:1fr;margin-top:25px}.coupon-mini{display:none}.section-head{display:block}.section-head>a{display:inline-block;margin-top:15px}.steps{grid-template-columns:1fr;gap:26px}.step,.step:first-child{padding:0 0 0 20px;border-left:2px solid #365b87}.step-number{font-size:30px}.device-band{gap:20px;padding:24px}.device-art{width:95px}.metric-grid{grid-template-columns:repeat(2,1fr)}.footer-top,.footer-bottom{flex-direction:column}.news-item{grid-template-columns:1fr 25px;gap:8px}.news-type{grid-column:1/-1}.closing{align-items:flex-start;flex-direction:column}.closing .btn{width:100%}}
@media(max-width:520px){.brand{font-size:15px;gap:8px}.brand-mark{width:30px;height:34px}.navtools{display:none}.main-coupon{padding:26px 24px;display:block}.coupon-title{font-size:27px}.coupon-side{border-left:0;border-top:1px dashed #abcaff50;margin-top:18px;padding:20px 0 0;display:flex;gap:16px;align-items:center;text-align:left}.coupon-side small{margin:0}.coupon-side .btn{flex-shrink:0}.opinion-grid{grid-template-columns:1fr}.quote:first-child{grid-column:auto}.choice-grid{grid-template-columns:1fr}.feature-panel,.invite-panel,.ranking{padding:23px}.panel-bar{gap:12px;flex-wrap:wrap}.device-band{display:block}.device-art{margin-bottom:24px}.requirements{grid-template-columns:1fr}.requirement{border-right:0;border-bottom:1px solid var(--line)}.channel{padding:24px}.channel h3{font-size:20px}.metric strong{font-size:28px}.quote blockquote{font-size:17px}.footer-links{gap:14px}.btn{padding:11px 17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{--bg:#081426;--surface:#101f35;--surface2:#142740;--ink:#edf4ff;--muted:#a0b2cc;--line:rgba(168,201,255,.16);--blue:#75a7ff;--cyan:#6ae7e0;--radius:22px;--shadow:0 18px 55px #02091860;--space:86px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:105px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",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(--cyan)}
button,input{font:inherit}
button{cursor:pointer}
img,svg{max-width:100%;vertical-align:middle}
:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}
::selection{background:#75a7ff;color:#081426}
.container{max-width:1250px;padding-left:26px;padding-right:26px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(8,20,38,.94);backdrop-filter:blur(22px);border-bottom:1px solid var(--line)}
.navbar{min-height:84px;padding:14px 0;gap:14px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:16px;font-weight:800}
.brand-mark{display:grid;place-items:center;width:36px;height:39px;border-radius:11px;background:#163559;color:var(--cyan);border:1px solid #4e89be}
.navlinks{display:flex;gap:7px;margin-right:auto}
.navlinks a{padding:8px;border-radius:10px;font-size:14px;color:var(--muted);white-space:nowrap}
.navlinks a:hover,.navlinks a.active{color:var(--ink);background:#203755}
.navtools{display:flex;align-items:center;gap:10px}
.searchbox{position:relative;width:130px;margin:0}
.searchbox input{width:100%;background:#101f35;border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:9px 32px 9px 12px;font-size:13px}
.searchbox input::placeholder{color:#92a5c0}
.searchbox button{position:absolute;right:6px;top:6px;border:0;background:transparent;color:var(--blue);padding:0 5px}
.btn{padding:12px 23px;border-radius:12px;font-weight:650;font-size:14px;transition:all .2s;border:1px solid transparent;line-height:1.6}
.btn-sm{padding:9px 14px;white-space:nowrap}
.btn-primary{background:#70a4ff;color:#07162c;border-color:#8db6ff;box-shadow:0 0 24px #518aff30}
.btn-primary:hover,.btn-primary:focus{background:#95beff;color:#07162c;border-color:#add0ff;box-shadow:0 0 32px #518aff60;transform:translateY(-2px)}
.btn-outline{background:#ffffff04;color:var(--ink);border-color:#ffffff30}
.btn-outline:hover{background:#223e60;color:white;border-color:var(--blue)}
.btn:active{transform:translateY(1px)}
.navtools .quiet-entry{display:none}
.menu-toggle{display:none;background:var(--surface);border:1px solid var(--line);color:white;border-radius:9px;padding:6px 12px}
section{padding:var(--space) 0;border-bottom:1px solid var(--line)}
section:nth-of-type(even){background:#0b182b}
h1,h2,h3,h4{font-weight:750;line-height:1.35;letter-spacing:-.025em}
h1{font-size:clamp(32px,4.4vw,54px);margin:12px 0 24px}
h2{font-size:clamp(25px,3vw,35px);margin-bottom:18px}
h3{font-size:20px;margin-bottom:13px}
p{color:var(--muted)}
.eyebrow{display:inline-flex;gap:9px;align-items:center;color:var(--cyan);font-size:12px;font-weight:700;letter-spacing:2px;margin-bottom:17px}
.section-intro{max-width:730px;font-size:15px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:30px}
.section-head p{margin:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;color:var(--ink);height:100%;transition:transform .2s,border-color .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);border-color:#567ba5;box-shadow:var(--shadow)}
.card p{font-size:14px;margin:0}
.tag{display:inline-block;border:1px solid #7ba9ec30;border-radius:7px;padding:3px 9px;color:#b3d0fc;background:#679ffc0b;font-size:12px}
.hero{position:relative;overflow:hidden;padding:45px 0 64px;background:radial-gradient(ellipse at 80% 45%,#17396770,transparent 70%)}
.hero:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(#83b2ff05 1px,transparent 1px),linear-gradient(90deg,#83b2ff05 1px,transparent 1px);background-size:52px 52px}
.hero .container{position:relative}
.hero h1 span{color:var(--blue)}
.crumb{font-size:12px;color:var(--muted);display:flex;gap:12px;margin-bottom:38px}
.hero-lead{max-width:570px;font-size:16px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-note{font-size:12px;margin-top:20px}
.glass{background:linear-gradient(135deg,#203b5c85,#112137b8);backdrop-filter:blur(18px);border:1px solid #90b8f335;box-shadow:var(--shadow);border-radius:var(--radius)}
.compare{padding:25px}
.compare-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px;gap:12px}
.compare-head strong{font-size:17px}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.compare-side{padding:22px 18px;border-radius:16px;background:#06142680;border:1px solid var(--line)}
.compare-side:last-child{background:#28497050;border-color:#75a7ff60}
.compare-side h3{font-size:16px}
.compare-side ul{padding:0;list-style:none;margin:18px 0 0}
.compare-side li{padding:10px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.compare-side:last-child li{color:#d3e4fc}
.compare-foot{display:flex;align-items:center;gap:9px;margin:22px 0 0;font-size:12px;color:var(--cyan)}
.dot{width:7px;height:7px;background:var(--cyan);border-radius:50%;box-shadow:0 0 12px #6ae7e080}
.issue-list{list-style:none;margin:0;padding:0}
.issue-list li{display:grid;grid-template-columns:42px 1fr;gap:15px;border-bottom:1px solid var(--line);padding:22px 0}
.issue-list li:first-child{padding-top:0}
.issue-list li:last-child{border-bottom:0}
.issue-list b{color:var(--blue);font-size:20px}
.issue-list h3{font-size:17px;margin-bottom:6px}
.issue-list p{font-size:14px;margin:0}
.focus-box{padding:30px;background:#132b46;border-left:3px solid var(--cyan);border-radius:0 18px 18px 0}
.focus-box p{margin-bottom:0;font-size:14px}
.step-number{font-size:13px;color:var(--cyan);display:block;margin-bottom:27px}
.step-card{background:linear-gradient(140deg,#19334d70,#101f35)}
.step-card h3{font-size:18px}
.readout{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.readout>div{padding:30px;background:#101f35}
.readout strong{display:block;font-size:26px;color:var(--blue);margin:12px 0}
.readout p{font-size:14px;margin:0}
.small-label{font-size:12px;color:var(--muted)}
.view-row{display:grid;grid-template-columns:180px 1fr;gap:40px;padding:24px 0;border-top:1px solid var(--line)}
.view-row p{margin:0;font-size:15px}
.view-row strong{color:var(--cyan)}
.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.prediction-choice{padding:22px 18px;border-radius:15px;border:1px solid var(--line);background:#10243c;color:var(--ink);text-align:left;transition:.2s}
.prediction-choice:hover{border-color:var(--blue);background:#19385a}
.prediction-choice[aria-pressed="true"]{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan);background:#173c4b}
.prediction-choice small{display:block;color:var(--muted);margin-top:7px;font-size:12px}
.status{font-size:13px;color:var(--cyan);margin:18px 0 0;min-height:24px}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:115px 1fr;gap:22px;align-items:start;padding:27px 0;border-bottom:1px solid var(--line)}
.news-item h3{font-size:19px}
.news-item p{margin:0;font-size:14px;max-width:830px}
.news-item[hidden]{display:none}
.source-note{margin-top:22px;font-size:13px}
.source-note a{color:var(--blue);border-bottom:1px solid var(--blue)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:30px 0}
.metric{padding:23px;border:1px solid var(--line);border-radius:16px;background:#0f2138}
.metric strong{display:block;font-size:32px;color:var(--cyan)}
.metric span{font-size:13px;color:var(--muted)}
.privacy{padding:20px 24px;border-radius:14px;border:1px solid var(--line)}
.privacy h3{font-size:16px}
.privacy p{font-size:13px;margin:0}
.main-coupon{position:relative;padding:32px;border:1px solid #7cabfa80;display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:225px;box-shadow:0 0 70px #277bfc1a;background:linear-gradient(120deg,#173a64,#132947);border-radius:22px}
.main-coupon:before,.main-coupon:after{content:"";position:absolute;width:20px;height:20px;border-radius:50%;background:var(--bg);top:50%;border:1px solid #739ddd60}
.main-coupon:before{left:-11px}
.main-coupon:after{right:-11px}
.coupon-title{font-size:29px;font-weight:800;margin:7px 0}
.main-coupon p{font-size:14px;max-width:660px;margin:0}
.coupon-action{flex-shrink:0;text-align:center}
.coupon-action small{display:block;color:var(--muted);font-size:12px;margin-top:12px}
.site-footer{background:#050e1c;padding:45px 0 24px}
.footer-top{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;padding-bottom:28px}
.footer-top p{max-width:690px;font-size:13px;margin:16px 0 0}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:13px}
.footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8399b6}
@media(min-width:1025px){.navtools .quiet-entry{display:inline-block}}
@media(max-width:1024px){:root{--space:65px}.navbar{flex-wrap:wrap}.navtools{margin-left:auto}.searchbox{width:145px}.hero h1{font-size:40px}.compare{padding:20px}.section-head{align-items:flex-start}.metric-grid{gap:12px}}
@media(max-width:768px){.container{padding-left:20px;padding-right:20px}.navbar{gap:12px;min-height:76px}.menu-toggle{display:block}.navlinks{display:none;order:4;flex-basis:100%;border-top:1px solid var(--line);padding-top:10px}.navlinks.is-open{display:flex}.navtools{order:5;width:100%;padding-bottom:3px}.searchbox{flex:1;width:auto}.navtools .quiet-entry{display:inline-block}.hero{padding-top:28px}.crumb{margin-bottom:26px}.section-head{display:block}.section-head p{margin-top:12px}.readout{grid-template-columns:1fr}.readout>div{padding:23px}.view-row{grid-template-columns:130px 1fr;gap:20px}.metric-grid{grid-template-columns:1fr 1fr}.main-coupon{align-items:flex-start;flex-direction:column}.footer-top,.footer-bottom{flex-direction:column}.footer-links{gap:18px}.compare{margin-top:10px}}
@media(max-width:520px){:root{--space:48px}.hero h1{font-size:33px}.brand{font-size:15px}.btn{padding:11px 16px}.btn-sm{padding:9px 11px;font-size:12px}.compare-grid{gap:8px}.compare-side{padding:17px 12px}.compare-head{align-items:flex-start;flex-direction:column}.card{padding:23px}.view-row{grid-template-columns:1fr;gap:8px}.news-item{grid-template-columns:1fr;gap:10px}.news-item .tag{justify-self:start}.choice-grid{grid-template-columns:1fr}.metric{padding:18px}.main-coupon{padding:26px}.coupon-title{font-size:25px}.hero-actions .btn{flex:1;text-align:center}.footer-bottom{gap:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* 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}