:root{--navy:#0f2e55;--navy2:#173f6b;--blue:#2e6fa8;--ink:#172033;--muted:#68788b;--line:#d8e1eb;--bg:#f3f7fb;--card:#fff;--green:#0fba73;--shadow:0 16px 44px rgba(25,52,83,.09);font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#f7fafd 0,#f3f7fb 48%,#eef3f8 100%);color:var(--ink)}a{color:inherit}main{overflow:hidden}.public-header{position:sticky;top:0;z-index:30;display:grid;grid-template-columns:220px 1fr 220px;align-items:center;height:64px;padding:0 max(24px,calc((100vw - 1240px)/2));background:linear-gradient(90deg,var(--navy),var(--navy2));box-shadow:0 4px 18px rgba(9,28,49,.2);color:#fff}.public-brand{display:flex;align-items:baseline;gap:7px;text-decoration:none}.public-brand strong{font-size:19px}.public-brand span{color:#cbd9e7;font-size:11px}.public-header nav{display:flex;justify-content:center;gap:6px}.public-header nav a{padding:9px 16px;border-radius:7px;color:#dce7f2;font-size:14px;font-weight:700;text-decoration:none}.public-header nav a:hover,.public-header nav a.active{background:rgba(255,255,255,.12);color:#fff}.public-console-link{justify-self:end;padding:9px 15px;border:1px solid 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20px;color:#132a44;font-size:clamp(38px,5vw,64px);line-height:1.13;letter-spacing:-.045em}.hero-copy>p,.public-title>p{max-width:680px;margin:0;color:#5f7186;font-size:18px;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:13px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:47px;padding:0 23px;border-radius:8px;font-size:14px;font-weight:850;text-decoration:none}.button.primary{background:linear-gradient(180deg,#326f9f,#234f79);color:#fff;box-shadow:0 9px 20px rgba(35,79,121,.2)}.button.secondary{border:1px solid #b9c9da;background:#fff;color:#244b70}.text-link{color:#2d6b9f;font-size:14px;font-weight:800;text-decoration:none}.hero-notes{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}.hero-notes span{padding:6px 10px;border:1px solid #d4e0eb;border-radius:999px;background:#fff;color:#536b82;font-size:12px}.hero-board{position:relative;padding:21px;border:1px solid #c9d7e4;border-radius:18px;background:linear-gradient(160deg,#193d61,#102c4a);box-shadow:0 28px 65px rgba(18,49,78,.23);color:#fff}.hero-board:after{content:"";position:absolute;right:-30px;bottom:-34px;width:145px;height:145px;border:1px solid rgba(50,111,159,.18);border-radius:50%;z-index:-1}.board-head{display:flex;justify-content:space-between;align-items:center;padding:3px 4px 18px;border-bottom:1px solid rgba(255,255,255,.14)}.board-head>span{display:flex;align-items:center;gap:7px;color:#b9cde0;font-size:11px}.board-head i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(15,186,115,.12)}.board-row{display:grid;gap:5px;margin-top:12px;padding:15px 16px;border:1px solid rgba(255,255,255,.1);border-radius:10px;background:rgba(255,255,255,.055)}.board-row b{font-size:15px}.board-row small{color:#adbed0;font-size:12px}.public-section{padding:90px 0}.intro-section{display:grid;grid-template-columns:1fr 1fr;align-items:end;border-top:1px solid var(--line)}.intro-section>div{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start}.section-index{color:#2e6fa8;font-size:12px;font-weight:900}.intro-section h2,.section-heading h2,.public-cta h2,.limit-section h2{margin:0;color:#17304a;font-size:34px;line-height:1.3}.intro-section>p,.section-heading p{margin:0;color:#65768a;font-size:16px;line-height:1.85}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-bottom:90px}.product-card{min-height:390px;padding:36px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}.product-card.dark{border-color:#173c60;background:linear-gradient(145deg,#173d61,#102c4a);color:#fff}.product-card>span,.tier-grid article>span{color:#3c76a6;font-size:12px;font-weight:900;letter-spacing:.08em}.product-card.dark>span{color:#8ec1e7}.product-card h2{margin:14px 0;font-size:31px}.product-card p{min-height:76px;color:#66778b;line-height:1.75}.product-card.dark p{color:#bdcddd}.product-card ul{display:grid;gap:11px;margin:22px 0 34px;padding:0;list-style:none}.product-card li:before{content:"✓";margin-right:9px;color:var(--green);font-weight:900}.product-card>a{font-weight:850;text-decoration:none}.product-card>a b{margin-left:8px}.data-section{border-top:1px solid var(--line)}.section-heading{max-width:700px}.section-heading h2{margin-top:14px}.section-heading p{margin-top:14px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px}.feature-grid article,.tier-grid article{padding:25px;border:1px solid var(--line);border-radius:13px;background:#fff}.feature-grid i{color:#3273aa;font-size:12px;font-style:normal;font-weight:900}.feature-grid h3,.tier-grid h3{margin:28px 0 10px;font-size:18px}.feature-grid p,.tier-grid p{margin:0;color:#6a7a8d;font-size:13px;line-height:1.75}.public-cta{display:flex;justify-content:space-between;align-items:center;gap:50px;margin-bottom:90px;padding:42px 46px;border-radius:18px;background:linear-gradient(125deg,#173e64,#0f2e55);box-shadow:0 20px 48px rgba(15,46,85,.18);color:#fff}.public-cta .eyebrow{color:#9dc8e8}.public-cta .eyebrow:before{background:#62a9d8}.public-cta h2{margin-top:12px;color:#fff}.public-cta p{margin:10px 0 0;color:#bdcddd}.public-cta>div:last-child{display:flex;gap:10px;flex:0 0 auto}.button.light{background:#fff;color:#173e64}.button.outline{border:1px solid rgba(255,255,255,.45);color:#fff}.public-title{padding:100px 0 75px;border-bottom:1px solid var(--line)}.public-title h1{font-size:clamp(38px,5vw,58px)}.coverage-layout{display:grid;grid-template-columns:1fr 430px;gap:75px;align-items:center;padding:90px 0}.coverage-copy>h2{margin:14px 0 16px;font-size:33px}.coverage-copy>p{color:#65768a;line-height:1.8}.coverage-steps{display:grid;gap:17px;margin-top:34px}.coverage-steps article{display:grid;grid-template-columns:42px 1fr;gap:15px}.coverage-steps article>b{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;background:#e6f0f8;color:#2c6a9e}.coverage-steps h3{margin:0 0 5px;font-size:16px}.coverage-steps p{margin:0;color:#6c7c8e;font-size:13px}.coverage-panel{padding:24px;border:1px solid #c9d8e6;border-radius:16px;background:#fff;box-shadow:var(--shadow)}.coverage-panel-head{display:flex;justify-content:space-between;margin-bottom:20px}.coverage-panel-head span{font-weight:900}.coverage-panel-head i{color:#78899a;font-size:11px;font-style:normal}.coverage-panel label{display:grid;gap:7px;margin:10px 0;padding:14px;border:1px solid #d9e2eb;border-radius:9px;color:#718294;font-size:11px}.coverage-panel strong{color:#253f5a;font-size:13px}.coverage-panel>a{display:block;margin-top:18px;padding:13px;border-radius:8px;background:#173d61;color:#fff;font-size:13px;font-weight:850;text-align:center;text-decoration:none}.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:35px}.tier-grid h3{margin-top:20px}.principle-strip{display:grid;grid-template-columns:repeat(4,1fr);margin-top:70px;border:1px solid var(--line);border-radius:14px;background:#fff}.principle-strip article{display:flex;align-items:center;gap:14px;padding:23px}.principle-strip article+article{border-left:1px solid var(--line)}.principle-strip b{color:#3574a7;font-size:11px}.principle-strip span{font-size:14px;font-weight:850}.method-list{padding:60px 0 85px}.method-list>article{display:grid;grid-template-columns:330px 1fr;gap:70px;padding:35px 0;border-bottom:1px solid var(--line)}.method-list>article>div{display:grid;grid-template-columns:35px 1fr;gap:10px}.method-list span{color:#3472a5;font-size:11px;font-weight:900}.method-list h2{margin:0;font-size:21px}.method-list p{margin:0;color:#627488;font-size:15px;line-height:1.9}.limit-section{display:grid;grid-template-columns:1fr 1fr;gap:60px;border-top:1px solid var(--line)}.limit-section h2{margin-top:12px}.limit-section ul{display:grid;gap:13px;margin:0;padding:0;list-style:none;color:#5e7186;line-height:1.65}.limit-section li{position:relative;padding-left:22px}.limit-section li:before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:#3372a6}.public-footer{display:grid;grid-template-columns:1fr auto;gap:30px;padding:35px max(24px,calc((100vw - 1180px)/2));border-top:1px solid #d3dee8;background:#e9f0f6}.public-footer strong{font-size:16px}.public-footer p{margin:7px 0 0;color:#687a8d;font-size:12px}.public-footer nav{display:flex;gap:18px}.public-footer nav a{color:#435d76;font-size:12px;font-weight:700;text-decoration:none}.public-disclaimer{grid-column:1/-1;padding-top:18px;border-top:1px solid #d4dee8}
@media(max-width:900px){.public-header{grid-template-columns:1fr auto;height:auto;min-height:62px;padding:10px 18px}.public-header nav{grid-row:2;grid-column:1/-1;justify-content:flex-start;overflow:auto}.public-header nav a{white-space:nowrap}.public-console-link{font-size:11px}.public-hero{grid-template-columns:1fr;gap:40px;padding:65px 0}.hero-copy h1,.public-title h1{font-size:42px}.intro-section,.limit-section{grid-template-columns:1fr;gap:25px}.product-grid,.tier-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr 1fr}.coverage-layout{grid-template-columns:1fr;gap:45px}.principle-strip{grid-template-columns:1fr 1fr}.principle-strip article:nth-child(3){border-left:0}.principle-strip article:nth-child(n+3){border-top:1px solid var(--line)}.method-list>article{grid-template-columns:1fr;gap:18px}.public-cta{align-items:flex-start;flex-direction:column}.public-footer{grid-template-columns:1fr}.public-footer nav{flex-wrap:wrap}}
@media(max-width:560px){.public-header nav a{padding:7px 10px;font-size:12px}.public-console-link{padding:8px}.public-hero,.public-title,.coverage-layout,.public-section,.product-grid,.principle-strip,.method-list,.public-cta{width:calc(100% - 28px)}.public-hero{min-height:0}.hero-copy h1,.public-title h1{font-size:35px}.hero-copy>p,.public-title>p{font-size:16px}.hero-actions{align-items:stretch;flex-direction:column}.button{width:100%}.feature-grid{grid-template-columns:1fr}.principle-strip{grid-template-columns:1fr}.principle-strip article+article{border-top:1px solid var(--line);border-left:0}.product-card{padding:27px}.public-cta{padding:32px 25px}.public-cta>div:last-child{width:100%;flex-direction:column}.public-footer nav{display:grid;grid-template-columns:1fr 1fr}}

/* 第二版公开页：用直接的数据名称和问答替代抽象流程表达。 */
.plain-note,.simple-steps,.answer-list{width:min(1180px,calc(100% - 40px));margin-left:auto;margin-right:auto}.plain-note{display:grid;grid-template-columns:230px 1fr;gap:30px;margin-bottom:70px;padding:24px 28px;border:1px solid #c9d8e5;border-left:4px solid #2e6fa8;border-radius:10px;background:#fff}.plain-note strong{color:#173d61;font-size:16px}.plain-note p{margin:0;color:#607286;line-height:1.75}.league-section{border-bottom:1px solid var(--line)}.league-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:35px}.league-grid article{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:72px;padding:17px 19px;border:1px solid var(--line);border-radius:10px;background:#fff}.league-grid strong{color:#213b55;font-size:15px}.league-grid span{flex:0 0 auto;padding:5px 8px;border-radius:999px;background:#eaf2f8;color:#2d6b9f;font-size:11px;font-weight:800}.league-grid article.more{border-color:#2d638f;background:#173d61}.league-grid article.more strong{color:#fff}.league-grid article.more span{background:rgba(255,255,255,.12);color:#d8e8f5}.simple-steps{padding:10px 0 75px}.simple-steps>h2{margin:0 0 25px;color:#17304a;font-size:30px}.simple-steps>div{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.simple-steps article{display:grid;grid-template-columns:38px 1fr;gap:4px 12px;padding:22px;border:1px solid var(--line);border-radius:11px;background:#fff}.simple-steps b{grid-row:1/3;display:grid;place-items:center;width:36px;height:36px;border-radius:8px;background:#e6f0f8;color:#286795}.simple-steps strong{align-self:end}.simple-steps p{margin:3px 0 0;color:#68798c;font-size:13px}.answer-list{display:grid;gap:0;padding:55px 0 75px}.answer-list article{display:grid;grid-template-columns:330px 1fr;gap:55px;padding:29px 8px;border-bottom:1px solid var(--line)}.answer-list h2{margin:0;color:#1d3853;font-size:20px}.answer-list p{margin:0;color:#607286;font-size:15px;line-height:1.85}
@media(max-width:800px){.league-grid{grid-template-columns:1fr 1fr}.plain-note{grid-template-columns:1fr;gap:10px}.answer-list article{grid-template-columns:1fr;gap:10px}.simple-steps>div{grid-template-columns:1fr}}
@media(max-width:560px){.plain-note,.simple-steps,.answer-list{width:calc(100% - 28px)}.league-grid{grid-template-columns:1fr}.plain-note{padding:20px}.answer-list{padding-top:30px}}

/* 第三版宣传首页：以三项真实产品及其使用目的为核心。 */
.promo-hero,.choice-strip,.story-section,.learn-section,.trust-section{width:min(1240px,calc(100% - 40px));margin-left:auto;margin-right:auto}.promo-hero{display:grid;grid-template-columns:.86fr 1.14fr;gap:56px;align-items:center;min-height:690px;padding:82px 0 76px}.promo-hero-copy h1{margin:19px 0 22px;color:#102a45;font-size:clamp(42px,5.2vw,68px);line-height:1.12;letter-spacing:-.05em}.promo-hero-copy>p{max-width:650px;margin:0;color:#5f7185;font-size:17px;line-height:1.9}.promo-hero-copy .hero-actions{flex-wrap:wrap}.audience-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}.audience-row span{padding:7px 11px;border:1px solid #d4e0ea;border-radius:999px;background:#fff;color:#587086;font-size:12px}.hero-screenshot{position:relative;min-height:470px;padding:16px 120px 16px 16px;border:1px solid #c8d5e2;border-radius:20px;background:#fff;box-shadow:0 30px 75px rgba(18,48,77,.18)}.hero-screenshot>img:first-child{width:100%;height:438px;object-fit:cover;object-position:left top;border-radius:11px}.hero-probability{position:absolute;top:38px;right:16px;width:155px;height:390px;object-fit:cover;object-position:left top;border:1px solid #c9d5df;border-radius:11px;box-shadow:0 16px 35px rgba(20,45,70,.18)}.screenshot-badge{position:absolute;left:38px;bottom:-30px;display:grid;gap:4px;padding:16px 21px;border-radius:11px;background:#123555;box-shadow:0 13px 30px rgba(15,46,85,.25);color:#fff}.screenshot-badge strong{font-size:14px}.screenshot-badge span{color:#b9cede;font-size:11px}.choice-strip{display:grid;grid-template-columns:repeat(3,1fr);margin-bottom:35px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow)}.choice-strip>a{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:center;padding:24px;text-decoration:none}.choice-strip>a+a{border-left:1px solid var(--line)}.choice-strip b{color:#3172a8;font-size:12px}.choice-strip span{display:grid;gap:4px}.choice-strip strong{font-size:15px}.choice-strip small{color:#758598;font-size:11px}.story-section{display:grid;grid-template-columns:.87fr 1.13fr;gap:70px;align-items:center;padding:105px 0;border-bottom:1px solid var(--line)}.story-section.reverse{grid-template-columns:1.13fr .87fr}.story-section.reverse .story-copy{grid-column:2}.story-section.reverse .screen-frame{grid-row:1;grid-column:1}.story-number{color:#2e70a6;font-size:12px;font-weight:900;letter-spacing:.08em}.story-copy h2{margin:16px 0 20px;color:#16334e;font-size:clamp(34px,4vw,49px);line-height:1.22;letter-spacing:-.035em}.story-copy .lead{margin:0;color:#5e7185;font-size:16px;line-height:1.9}.story-points{display:grid;gap:0;margin-top:28px}.story-points article{display:grid;grid-template-columns:110px 1fr;gap:15px;padding:14px 0;border-top:1px solid #dce4eb}.story-points b{color:#244b6e;font-size:14px}.story-points p{margin:0;color:#708093;font-size:13px;line-height:1.7}.story-actions{display:flex;align-items:center;gap:18px;margin-top:28px}.screen-frame{position:relative;margin:0;padding:13px;border:1px solid #c8d5e1;border-radius:17px;background:#fff;box-shadow:0 22px 55px rgba(21,48,77,.13)}.screen-frame:before{content:"";display:block;height:20px;margin:-2px -2px 10px;border-bottom:1px solid #dfe6ec;background:radial-gradient(circle at 9px 8px,#d76e67 0 3px,transparent 4px),radial-gradient(circle at 22px 8px,#d7af52 0 3px,transparent 4px),radial-gradient(circle at 35px 8px,#69ae7a 0 3px,transparent 4px)}.screen-frame img{display:block;width:100%;height:460px;object-fit:cover;object-position:left top;border-radius:7px}.screen-frame figcaption{padding:12px 4px 2px;color:#718194;font-size:11px}.use-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:27px}.use-grid span{padding:13px 14px;border:1px solid #d5e0e9;border-radius:8px;background:#fff;color:#315470;font-size:13px;font-weight:800}.scope-note{margin:18px 0 0;color:#7a8998;font-size:12px;line-height:1.7}.learn-section{padding:100px 0}.learn-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:38px}.learn-grid>a{display:block;min-height:260px;padding:31px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow);text-decoration:none}.learn-grid>a:first-child{background:linear-gradient(145deg,#173f65,#102e4d);color:#fff}.learn-grid span{color:#4a83b1;font-size:11px;font-weight:900;letter-spacing:.08em}.learn-grid>a:first-child span{color:#8fc1e5}.learn-grid h3{max-width:500px;margin:27px 0 13px;font-size:23px;line-height:1.45}.learn-grid p{margin:0 0 28px;color:#68798c;font-size:14px;line-height:1.8}.learn-grid>a:first-child p{color:#bdd0df}.learn-grid b{font-size:13px}.trust-section{display:grid;grid-template-columns:330px 1fr;gap:55px;padding:85px 0;border-top:1px solid var(--line)}.trust-section h2{margin:15px 0 0;color:#183651;font-size:33px;line-height:1.35}.trust-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:13px;background:#fff}.trust-grid article{padding:23px}.trust-grid article:nth-child(2n){border-left:1px solid var(--line)}.trust-grid article:nth-child(n+3){border-top:1px solid var(--line)}.trust-grid b{display:block;margin-bottom:17px;color:#3271a5;font-size:11px}.trust-grid strong{font-size:15px}.trust-grid p{margin:7px 0 0;color:#708093;font-size:12px;line-height:1.7}
@media(max-width:980px){.promo-hero,.story-section,.story-section.reverse,.trust-section{grid-template-columns:1fr}.promo-hero{gap:55px}.story-section.reverse .story-copy,.story-section.reverse .screen-frame{grid-column:auto;grid-row:auto}.story-section.reverse .screen-frame{order:2}.choice-strip{grid-template-columns:1fr}.choice-strip>a+a{border-top:1px solid var(--line);border-left:0}.trust-section{gap:30px}}
@media(max-width:680px){.promo-hero,.choice-strip,.story-section,.learn-section,.trust-section{width:calc(100% - 28px)}.promo-hero{min-height:0;padding:55px 0}.promo-hero-copy h1{font-size:39px}.hero-screenshot{min-height:340px;padding-right:80px}.hero-screenshot>img:first-child{height:310px}.hero-probability{width:105px;height:275px}.screenshot-badge{left:22px}.story-section{gap:35px;padding:70px 0}.story-copy h2{font-size:33px}.story-points article{grid-template-columns:1fr;gap:5px}.story-actions{align-items:stretch;flex-direction:column}.story-actions .text-link{text-align:center}.screen-frame img{height:330px}.use-grid,.learn-grid,.trust-grid{grid-template-columns:1fr}.trust-grid article:nth-child(2n){border-left:0}.trust-grid article+article{border-top:1px solid var(--line)}.learn-section{padding:70px 0}}

/* 最终截图展示规则必须位于宣传页样式之后。 */
.hero-screenshot{min-height:0;padding:16px}
.hero-screenshot>img:first-child{height:auto;aspect-ratio:2248/1297;object-fit:contain;object-position:center top}
.hero-probability{display:none}
.screen-frame img{height:auto;aspect-ratio:2248/1297;object-fit:contain;object-position:center top}
@media(max-width:680px){.hero-screenshot{min-height:0;padding:8px}.hero-screenshot>img:first-child,.screen-frame img{height:auto;aspect-ratio:2248/1297}}

/* 所有公开页链接都提供悬停、键盘聚焦和按下反馈。 */
a[href]{cursor:pointer;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .12s ease,filter .18s ease}
a[href]:focus-visible{outline:3px solid #f3aa2b;outline-offset:3px}
a[href]:active{transform:translateY(2px) scale(.98)}
.button:hover,.public-console-link:hover{filter:brightness(1.08);box-shadow:0 12px 24px rgba(20,56,88,.24);transform:translateY(-2px)}
.text-link:hover,.public-footer a:hover{color:#174f7c;text-decoration:underline;text-underline-offset:4px}
.public-header nav a:hover,.public-header nav a.active{transform:translateY(-1px)}
.public-brand:hover{filter:brightness(1.15)}
.choice-strip>a:hover{background:#eef5fb;box-shadow:inset 0 -3px 0 #2e70a6}
.learn-grid>a:hover{border-color:#6e9fc5;box-shadow:0 21px 48px rgba(25,52,83,.16);transform:translateY(-4px)}
.league-grid article{transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.league-grid article:hover{border-color:#80a9c8;box-shadow:0 10px 24px rgba(25,52,83,.10);transform:translateY(-2px)}

/* 醒目的网站定位说明，避免被误认为博彩服务。 */
.site-position-warning{grid-column:1/-1;display:flex;gap:14px;align-items:center;margin:2px 0 0;padding:20px 0 0;border-top:1px solid #c9d6e1;background:transparent;color:#536b82}
.warning-icon{flex:0 0 44px;display:grid;place-items:center;width:44px;height:40px;padding-top:8px;border:0;border-radius:0;background:#e39a13;color:#fff;font-size:23px;font-weight:950;line-height:1;clip-path:polygon(50% 0,100% 100%,0 100%)}
.site-position-warning p{min-width:0;margin:0;color:#536b82;font-size:12px;line-height:1.75}
.site-position-warning strong{color:#233f5a;font-size:13px}
@media(max-width:560px){.site-position-warning{align-items:flex-start;gap:10px;padding-top:17px}.warning-icon{flex-basis:36px;width:36px;height:33px;padding-top:7px;font-size:18px}.site-position-warning p{font-size:11px}}

/* 最终页脚只保留网站定位提示，占用原品牌与导航区域。 */
.public-footer{display:block;padding:26px max(24px,calc((100vw - 1180px)/2));border-top:0;background:#e9f0f6}
.site-position-warning{display:flex;align-items:center;gap:18px;margin:0;padding:26px 0;border-top:1px solid #b9cbd9;border-bottom:1px solid #b9cbd9;background:transparent}
.warning-icon{flex:0 0 50px;display:block;width:50px;height:46px;padding:0;background:none;clip-path:none;overflow:visible;fill:#e49a10}
.warning-icon .warning-mark{fill:none;stroke:#fff;stroke-width:4.5;stroke-linecap:round}
.site-position-warning p{margin:0;color:#405f79;font-size:13px;font-weight:800;line-height:1.8}
.site-position-warning strong{color:#173c5d;font-size:15px}
@media(max-width:560px){.public-footer{padding:20px 14px}.site-position-warning{align-items:flex-start;gap:12px;padding:21px 0}.warning-icon{flex-basis:42px;width:42px;height:39px}.site-position-warning p{font-size:11px}.site-position-warning strong{font-size:13px}}

/* 足球知识页：长文阅读与权威资料入口。 */
.knowledge-hero,.knowledge-index,.knowledge-article,.reference-section{width:min(1080px,calc(100% - 40px));margin-left:auto;margin-right:auto}
.knowledge-hero{padding:100px 0 72px}
.knowledge-hero h1{max-width:850px;margin:18px 0 22px;color:#132f4a;font-size:clamp(42px,5.5vw,67px);line-height:1.14;letter-spacing:-.045em}
.knowledge-hero>p{max-width:790px;margin:0;color:#607387;font-size:17px;line-height:1.9}
.knowledge-index{display:grid;grid-template-columns:repeat(3,1fr);margin-bottom:70px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow);overflow:hidden}
.knowledge-index a{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:center;padding:23px 24px;text-decoration:none}
.knowledge-index a+a{border-left:1px solid var(--line)}
.knowledge-index a:hover{background:#edf5fb;box-shadow:inset 0 -3px 0 #3477aa}
.knowledge-index b{color:#3476aa;font-size:12px}
.knowledge-index span{color:#24445f;font-size:14px;font-weight:850}
.knowledge-article{display:grid;grid-template-columns:360px 1fr;gap:70px;padding:82px 0;border-top:1px solid var(--line);scroll-margin-top:85px}
.knowledge-article header>span{color:#3374a8;font-size:12px;font-weight:900;letter-spacing:.08em}
.knowledge-article h2{margin:15px 0 18px;color:#173550;font-size:32px;line-height:1.35;letter-spacing:-.025em}
.article-deck{margin:0;color:#718195;font-size:14px;line-height:1.8}
.article-body{min-width:0;color:#536a80;font-size:15px;line-height:1.95}
.article-body>p:first-child{margin-top:0}
.article-body h3{margin:34px 0 10px;color:#1d3c58;font-size:19px}
.article-body ul{display:grid;gap:8px;padding-left:22px}
.article-body blockquote{margin:28px 0;padding:20px 23px;border-left:4px solid #3275a9;border-radius:0 9px 9px 0;background:#eaf2f8;color:#234965;font-weight:800}
.probability-demo{display:grid;gap:1px;margin:28px 0;border:1px solid #cddbe6;border-radius:12px;background:#cddbe6;overflow:hidden;box-shadow:0 13px 30px rgba(25,52,83,.08)}
.probability-demo>div{display:flex;justify-content:space-between;gap:24px;padding:17px 19px;background:#fff}
.probability-demo span{color:#718397;font-size:12px;font-weight:800}
.probability-demo b{color:#1c405e;font-size:14px;text-align:right}
.probability-demo .result{background:#173f65}
.probability-demo .result span{color:#a9c7de}
.probability-demo .result b{color:#fff;font-size:17px}
.calculation-note{padding:13px 16px;border-radius:8px;background:#edf3f8;color:#6a7c8e;font-size:12px}
.source-links{display:grid;gap:9px;margin-top:30px;padding-top:22px;border-top:1px solid #dbe4ec}
.source-links:before{content:"延伸阅读与参考来源";color:#718397;font-size:11px;font-weight:900;letter-spacing:.08em}
.source-links a{display:flex;align-items:center;gap:9px;color:#286a9f;font-size:13px;font-weight:800;text-decoration:none}
.source-links a:after{content:"↗";font-size:11px}
.source-links a:hover{text-decoration:underline;text-underline-offset:4px}
.history-caution{margin:27px 0;padding:17px 19px;border:1px solid #e1c37e;border-radius:9px;background:#fff8e8;color:#70551c;font-size:13px;font-weight:800;line-height:1.75}
.reference-section{padding:75px 0 90px;border-top:1px solid var(--line)}
.reference-section h2{margin:15px 0 13px;color:#173550;font-size:31px}
.reference-section>p{max-width:760px;margin:0;color:#687b8e;line-height:1.8}
.reference-section ol{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin:32px 0 0;padding:0;list-style:none;counter-reset:references}
.reference-section li{counter-increment:references}
.reference-section li a{display:flex;align-items:center;min-height:64px;padding:14px 16px;border:1px solid var(--line);border-radius:9px;background:#fff;color:#286a9f;font-size:13px;font-weight:800;text-decoration:none}
.reference-section li a:before{content:counter(references,decimal-leading-zero);margin-right:12px;color:#7792aa;font-size:10px}
.reference-section li a:after{content:"↗";margin-left:auto;padding-left:12px;font-size:11px}
.reference-section li a:hover{border-color:#76a4c7;box-shadow:0 8px 20px rgba(25,52,83,.08);transform:translateY(-2px)}
@media(max-width:820px){.knowledge-index{grid-template-columns:1fr}.knowledge-index a+a{border-top:1px solid var(--line);border-left:0}.knowledge-article{grid-template-columns:1fr;gap:30px}.reference-section ol{grid-template-columns:1fr}}
@media(max-width:560px){.knowledge-hero,.knowledge-index,.knowledge-article,.reference-section{width:calc(100% - 28px)}.knowledge-hero{padding:60px 0 48px}.knowledge-hero h1{font-size:38px}.knowledge-hero>p{font-size:15px}.knowledge-index{margin-bottom:45px}.knowledge-article{padding:58px 0}.knowledge-article h2{font-size:27px}.article-body{font-size:14px}.probability-demo>div{align-items:flex-start;flex-direction:column;gap:5px}.probability-demo b{text-align:left}.reference-section{padding:55px 0 65px}}

/* 独立足球知识文章：每个搜索问题对应一个可索引页面。 */
.knowledge-hub,.standalone-article{width:min(1080px,calc(100% - 40px));margin-left:auto;margin-right:auto}
.knowledge-hub{padding:20px 0 95px}
.knowledge-card-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:38px}
.knowledge-card{display:flex;flex-direction:column;min-height:285px;padding:30px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow);text-decoration:none}
.knowledge-card:hover{border-color:#78a5c7;box-shadow:0 22px 48px rgba(25,52,83,.15);transform:translateY(-4px)}
.knowledge-card>span{color:#3476aa;font-size:11px;font-weight:900;letter-spacing:.08em}
.knowledge-card h3{margin:24px 0 12px;color:#193955;font-size:24px;line-height:1.4}
.knowledge-card p{margin:0;color:#66798d;font-size:14px;line-height:1.8}
.knowledge-card b{margin-top:18px;padding:11px 12px;border-left:3px solid #d69a24;border-radius:0 7px 7px 0;background:#fff7e6;color:#6b5a37;font-size:12px;font-weight:800;line-height:1.65}
.knowledge-card i{margin-top:auto;padding-top:24px;color:#2b6d9f;font-size:13px;font-style:normal;font-weight:900}
.knowledge-group{margin-top:65px}.knowledge-group>header{display:grid;grid-template-columns:310px 1fr;gap:40px;align-items:end;padding-bottom:18px;border-bottom:1px solid var(--line)}
.knowledge-group>header h2{margin:0;color:#193a57;font-size:25px}.knowledge-group>header p{margin:0;color:#718397;font-size:13px;line-height:1.7}
.knowledge-group .knowledge-card-grid{grid-template-columns:repeat(3,1fr);margin-top:20px}
.knowledge-group:last-child .knowledge-card-grid{grid-template-columns:1fr 1fr}
.standalone-article{padding:85px 0 100px}
.standalone-article>header{max-width:850px;padding-bottom:55px;border-bottom:1px solid var(--line)}
.article-back{display:block;margin-bottom:35px;color:#427294;font-size:12px;font-weight:800;text-decoration:none}
.standalone-article h1{margin:20px 0;color:#132f4a;font-size:clamp(40px,5vw,62px);line-height:1.15;letter-spacing:-.045em}
.standalone-article header>p{max-width:720px;margin:0;color:#63778b;font-size:17px;line-height:1.85}
.article-reading{max-width:760px;margin:55px auto 0;color:#536a80;font-size:16px;line-height:2}
.article-reading h2{margin:48px 0 13px;color:#183a57;font-size:27px;line-height:1.4}
.article-reading h2:first-child{margin-top:0}
.article-reading p{margin:0 0 22px}
.article-lead{color:#294b67;font-size:19px;line-height:1.9}
.article-summary,.myth-note{display:grid;grid-template-columns:120px 1fr;gap:20px;margin:30px 0;padding:22px 24px;border-radius:12px}
.article-summary{border-left:5px solid #2b74aa;background:#eaf3fa}.article-summary b{color:#174b73}.article-summary span{color:#425f77}
.myth-note{border:1px solid #dcc894;background:#fff8e5}.myth-note b{color:#8a5a05}.myth-note span{color:#5d6670}
.simple-xg-demo{display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:center;margin:32px 0;padding:25px;border:1px solid #c9d9e6;border-radius:12px;background:#fff;box-shadow:0 14px 34px rgba(25,52,83,.08);text-align:center}
.simple-xg-demo b{color:#234865}.simple-xg-demo span{color:#3475a8;font-weight:900}.simple-xg-demo strong{padding:14px;border-radius:8px;background:#173f65;color:#fff}
.formula-panel{display:grid;gap:10px;margin:30px 0;padding:25px;border-radius:12px;background:#173f65;color:#fff;text-align:center}
.formula-panel span{color:#a8c5dc;font-size:12px;font-weight:800}.formula-panel b{font-size:24px}.formula-panel small{color:#d6e3ee}
.plain-result{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px;margin:30px 0;padding:24px;border:1px solid #c9d9e6;border-radius:12px;background:#fff;box-shadow:0 12px 28px rgba(25,52,83,.08)}
.plain-result span{color:#667d91;font-size:13px}.plain-result b,.plain-result strong{font-size:23px}.plain-result b{color:#244a69}.plain-result strong{color:#b7790a}.plain-result i{color:#7890a5;font-style:normal;font-weight:900}
.money-walkthrough{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0}.money-walkthrough>div{display:grid;gap:7px;padding:20px;border:1px solid #c9d9e6;border-radius:11px;background:#fff;text-align:center;box-shadow:0 10px 24px rgba(25,52,83,.07)}.money-walkthrough span{color:#3576a8;font-size:13px;font-weight:900}.money-walkthrough b{color:#193c59;font-size:22px}.money-walkthrough small{color:#7a8da0}
.next-reading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:35px 0 0;padding:18px 20px;border:1px solid #c9d9e6;border-radius:10px;background:#fff}.next-reading span{color:#7a8da0;font-size:11px;font-weight:900}.next-reading a{color:#286b9e;font-size:13px;font-weight:900;text-decoration:none}.next-reading a:hover{text-decoration:underline;text-underline-offset:4px}
.article-reading ul{display:grid;gap:10px;margin:20px 0 30px;padding-left:23px}.article-reading li{padding-left:5px}
.market-information{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:30px 0;padding:22px;border:1px solid #c8d8e5;border-radius:12px;background:#fff;box-shadow:0 12px 28px rgba(25,52,83,.07)}
.market-information b{flex:0 0 100%;margin-bottom:5px;color:#173f65}.market-information span{padding:8px 11px;border-radius:7px;background:#e9f2f8;color:#285b82;font-size:12px;font-weight:850}.market-information i{color:#7590a7;font-style:normal;font-weight:900}
@media(max-width:900px){.knowledge-group .knowledge-card-grid,.knowledge-group:last-child .knowledge-card-grid{grid-template-columns:1fr 1fr}.knowledge-group>header{grid-template-columns:1fr;gap:8px}}
@media(max-width:720px){.knowledge-card-grid,.knowledge-group .knowledge-card-grid,.knowledge-group:last-child .knowledge-card-grid{grid-template-columns:1fr}.simple-xg-demo,.money-walkthrough{grid-template-columns:1fr}.standalone-article{padding-top:55px}.article-reading{margin-top:38px}.article-reading h2{font-size:23px}.article-summary,.myth-note{grid-template-columns:1fr;gap:8px}.market-information{align-items:stretch;flex-direction:column}.market-information b{flex-basis:auto}.market-information i{text-align:center}.plain-result{align-items:stretch;flex-direction:column;text-align:center}.next-reading{align-items:flex-start;flex-direction:column}}
@media(max-width:560px){.knowledge-hub,.standalone-article{width:calc(100% - 28px)}.knowledge-hub{padding-bottom:65px}.knowledge-card{min-height:250px;padding:24px}.standalone-article h1{font-size:37px}.standalone-article header>p,.article-reading{font-size:14px}}

/* 页面底部下一步入口：以浅色衔接正文，避免大面积深蓝切断阅读。 */
.public-cta{width:min(1080px,calc(100% - 40px));gap:42px;margin-bottom:72px;padding:30px 34px;border:1px solid #cbdbe8;border-radius:14px;background:linear-gradient(100deg,rgba(255,255,255,.92),rgba(235,244,250,.8));box-shadow:0 10px 26px rgba(25,52,83,.06);color:#17304a}
.public-cta .eyebrow{color:#3476a8}.public-cta .eyebrow:before{background:#3476a8}.public-cta h2{margin-top:9px;color:#17304a;font-size:28px}.public-cta p{margin-top:8px;color:#687c90}
.public-cta .button.light{background:#245d8b;color:#fff;box-shadow:0 7px 16px rgba(36,93,139,.15)}.public-cta .button.outline{border:1px solid #aebfd0;background:rgba(255,255,255,.72);color:#244b6d}.public-cta .button:hover{transform:translateY(-2px);box-shadow:0 9px 20px rgba(30,76,113,.16)}
@media(max-width:560px){.public-cta{width:calc(100% - 28px);padding:25px 22px}.public-cta h2{font-size:23px}}

/* 品牌中英文按可见底边对齐，避免不同字体基线造成上下错位。 */
.public-brand{align-items:flex-end}
.public-brand strong,.public-brand span{display:block;line-height:1}
.public-brand span{padding-bottom:1px}