/* roulang page: index */
:root{--primary:#165be8;--ink:#122440;--muted:#64748b;--line:#e1e9f3;--bg:#f3f7fc;--radius:22px;--shadow:0 12px 38px rgba(21,53,103,.065)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:115px}body{margin:0;background:white;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}img,svg{display:block;max-width:100%}button,a{transition:background .2s,color .2s,transform .2s,box-shadow .2s}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #68a4ff;outline-offset:5px}button:active,.btn:active{transform:translateY(1px)}.container{max-width:1200px;padding-left:28px;padding-right:28px;margin:0 auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.header-row{display:flex;align-items:center;gap:38px;min-height:88px}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}.brand-mark{width:37px;height:41px;background:var(--primary);color:white;display:grid;place-items:center;clip-path:polygon(0 0,100% 0,100% 75%,50% 100%,0 75%);font-size:22px}.nav{display:flex;gap:8px;align-self:stretch;align-items:center}.nav a{font-size:14px;font-weight:600;padding:10px 16px;border-radius:10px;color:var(--muted)}.nav a:hover,.nav a.active{background:#edf3ff;color:var(--primary)}.location{margin-left:auto;display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted);border-left:1px solid var(--line);padding-left:24px}.location svg{color:var(--primary)}.menu-toggle{display:none;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:7px 12px}.section{padding:76px 0;border-bottom:1px solid var(--line)}.soft{background:var(--bg)}.eyebrow{color:var(--primary);font-size:12px;letter-spacing:2px;font-weight:800;margin-bottom:14px}.section h2{font-size:30px;font-weight:800;line-height:1.4;letter-spacing:-.8px}.intro{max-width:740px;color:var(--muted);font-size:15px;margin-top:18px;line-height:1.95}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:32px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:27px}.card:hover{border-color:#b9cef3}.badge{display:inline-flex;align-items:center;gap:7px;background:#eef4ff;color:var(--primary);font-size:11px;font-weight:700;padding:5px 11px;border-radius:6px}.badge.white{color:#d7e8ff;background:rgba(255,255,255,.1)}.btn{display:inline-flex;justify-content:center;align-items:center;gap:13px;min-height:48px;padding:12px 23px;background:var(--primary);color:#fff;border:1px solid var(--primary);font-size:14px;font-weight:700;border-radius:10px}.btn:hover{background:#1048bd;box-shadow:0 8px 18px #165be82a}.btn.secondary{color:var(--ink);background:white;border-color:var(--line)}.btn.secondary:hover{background:#edf3ff}.text-link{font-size:14px;color:var(--primary);font-weight:700;white-space:nowrap}.text-link:hover{color:#103c8e}.hero{padding:53px 0 0;background:#f2f6fd;overflow:hidden}.hero-top{display:flex;justify-content:space-between;gap:20px;margin-bottom:22px;color:var(--muted);font-size:12px}.hero-stage{position:relative;border-radius:28px 28px 0 0;overflow:hidden;background:#102a50;min-height:535px;display:grid;grid-template-columns:1fr 1.5fr}.visual{position:relative;background:#123665;min-height:535px;overflow:hidden;display:flex;align-items:center;justify-content:center}.visual:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 55px,#ffffff09 56px),repeating-linear-gradient(90deg,transparent,transparent 55px,#ffffff09 56px)}.arena-art{width:92%;position:relative;filter:drop-shadow(0 25px 25px #0004)}.visual-caption{position:absolute;left:28px;bottom:28px;color:#a9c7ed;font-size:11px;letter-spacing:2px}.vertical-label{position:absolute;left:24px;top:28px;writing-mode:vertical-rl;color:#a9c7ed;font-size:11px;letter-spacing:5px}.hero-copy{padding:54px 48px;color:#fff;align-self:center}.hero h1{font-size:45px;line-height:1.25;font-weight:800;letter-spacing:-1.5px;margin:18px 0 23px}.hero-copy p{font-size:14px;color:#c0d0e5;line-height:2}.hero-foot{padding:20px 26px;background:#e8effb;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#496283;border-radius:0 0 18px 18px}.hero-bottom{padding-bottom:40px}.icon-box{width:45px;height:45px;display:grid;place-items:center;background:#edf3ff;color:var(--primary);font-weight:800;border-radius:13px;font-size:17px}.card h3{font-size:18px;font-weight:750;line-height:1.5;margin-top:20px}.card p{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.9}.channel-card{display:block;position:relative}.channel-card:hover{transform:translateY(-4px);box-shadow:0 16px 38px #15356713}.arrow{position:absolute;right:26px;top:30px;color:var(--primary)}.recommend-main{background:#e9f1ff;border:1px solid #d9e6fd;border-radius:22px;padding:35px;display:flex;flex-direction:column;justify-content:space-between}.recommend-main h3{font-size:28px;line-height:1.5;font-weight:800;margin:25px 0 15px}.editor-list{background:white;border:1px solid var(--line);border-radius:22px;padding:5px 26px}.editor-item{display:flex;gap:20px;padding:23px 0;border-bottom:1px solid var(--line)}.editor-item:last-child{border:0}.editor-item .num{color:#97acc8;font-size:24px;font-weight:700}.editor-item h3{font-size:16px;font-weight:700}.editor-item p{color:var(--muted);font-size:13px;margin-top:7px}.rank-row{display:grid;grid-template-columns:48px 1fr auto;gap:20px;padding:21px 0;border-bottom:1px solid var(--line);align-items:center}.rank-num{font-size:26px;color:#8ca5ca;font-weight:700}.rank-row:first-child .rank-num{color:var(--primary)}.rank-row h3{font-size:16px;font-weight:700}.rank-row p{font-size:13px;color:var(--muted);margin-top:5px}.dark-panel{background:#122c50;color:white;border-radius:24px;padding:36px}.dark-panel .intro{color:#b7cbe3}.metric{font-size:45px;font-weight:800;letter-spacing:-2px}.metric small{font-size:15px;letter-spacing:0;font-weight:500}.step{border-top:2px solid #cedbf0;padding-top:23px}.step-number{font-size:12px;color:var(--primary);font-weight:800}.step h3{font-weight:750;font-size:18px;margin:14px 0 12px}.step p{color:var(--muted);font-size:13px;line-height:1.95}.article-row{padding:25px 0;display:grid;grid-template-columns:105px 1fr 22px;gap:22px;border-top:1px solid var(--line);align-items:start}.article-row h3{font-size:18px;font-weight:700}.article-row p{font-size:13px;color:var(--muted);margin-top:9px}.article-type{color:var(--primary);font-size:12px;font-weight:700;padding-top:4px}.article-row details summary{list-style:none;cursor:pointer}.article-row details summary::-webkit-details-marker{display:none}.article-row details[open] .article-body{margin-top:15px;background:#f3f7fd;padding:20px;border-radius:12px;font-size:14px;color:#475e7b}.scroll-track{display:flex;gap:20px;overflow-x:auto;padding:2px 2px 20px;scroll-snap-type:x mandatory}.media-card{flex:0 0 325px;background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden;scroll-snap-align:start}.media-cover{height:150px;padding:25px;display:flex;justify-content:space-between;align-items:center;background:#dce9fc;color:#165be8}.media-cover b{font-size:50px;letter-spacing:-3px}.media-cover span{font-size:13px;writing-mode:vertical-rl;letter-spacing:3px}.media-content{padding:23px}.media-content h3{font-size:17px;font-weight:700}.media-content p{font-size:13px;color:var(--muted);margin-top:10px}.vote-option{border:1px solid var(--line);padding:18px 20px;display:flex;align-items:center;gap:12px;border-radius:12px;cursor:pointer;background:white;font-size:14px}.vote-option:has(input:checked){border-color:var(--primary);background:#edf3ff}.vote-option input{accent-color:var(--primary);width:17px;height:17px}.notice{font-size:12px;color:var(--muted);line-height:1.9}.source-row{display:flex;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}.source-row:last-child{border-bottom:0}.source-row strong{font-size:15px}.source-row p{font-size:12px;color:var(--muted)}.reminder{background:#eaf2ff;border:1px solid #d4e3fb;border-radius:25px;padding:42px}.field-label{display:block;font-size:13px;font-weight:700;margin-bottom:8px}.field{width:100%;background:white;border:1px solid #cddcf0;padding:12px 14px;min-height:48px;border-radius:10px;color:var(--ink)}.site-footer{background:#101f36;color:#c0cde0;padding:49px 0 25px;font-size:12px}.footer-top{display:flex;justify-content:space-between;gap:35px;padding-bottom:30px}.footer-brand{font-size:20px;font-weight:800;color:white;margin-bottom:12px}.footer-links{display:flex;gap:22px;flex-wrap:wrap;align-content:start}.footer-links a:hover{color:white}.footer-bottom{padding-top:22px;border-top:1px solid #ffffff16;display:flex;justify-content:space-between;gap:20px;color:#8094b2}.category-hero{padding:70px 0;background:#edf3ff}.category-hero h1{font-size:42px;font-weight:800;line-height:1.4}.status-message{font-size:13px;color:var(--primary);min-height:26px;margin-top:12px}
@media(min-width:1280px){.container{max-width:1232px}}
@media(max-width:1024px){.header-row{gap:18px}.brand{font-size:17px}.location{padding-left:15px}.hero h1{font-size:36px}.hero-copy{padding:35px}.hero-stage{grid-template-columns:.85fr 1.3fr}.section{padding:60px 0}}
@media(max-width:768px){.container{padding-left:22px;padding-right:22px}.header-row{flex-wrap:wrap;min-height:76px;gap:0;justify-content:space-between;padding-top:17px;padding-bottom:17px}.location{margin-left:0;border:0;padding:0;font-size:11px}.menu-toggle{display:block}.nav{display:none;flex-basis:100%;padding-top:18px}.nav.open{display:flex}.hero-stage{grid-template-columns:1fr}.visual{min-height:245px;max-height:245px}.arena-art{width:260px;transform:rotate(-8deg)}.vertical-label{writing-mode:horizontal-tb}.hero-copy{padding:32px}.hero h1{font-size:36px}.hero-top{font-size:11px}.hero-foot{flex-direction:column;gap:5px}.section-head{display:block}.section-head>.text-link{display:inline-block;margin-top:16px}.section h2{font-size:27px}.rank-row{gap:12px}.footer-top,.footer-bottom{flex-direction:column}.reminder{padding:28px}.article-row{grid-template-columns:70px 1fr 15px;gap:12px}.section{padding:50px 0}.category-hero h1{font-size:34px}}
@media(max-width:520px){.container{padding-left:18px;padding-right:18px}.brand{font-size:16px;gap:8px}.brand-mark{width:30px;height:34px}.location{display:none}.hero{padding-top:26px}.hero-top span:last-child{display:none}.hero-copy{padding:28px 23px}.hero h1{font-size:32px}.hero-copy p{font-size:13px}.section h2{font-size:25px}.intro{font-size:14px}.card{padding:23px}.rank-row{grid-template-columns:32px 1fr}.rank-row>.badge{display:none}.article-row{grid-template-columns:1fr}.article-row>span:last-child{display:none}.media-card{flex-basis:280px}.recommend-main{padding:27px}.reminder{padding:24px}.dark-panel{padding:28px}.hero-foot{padding:16px}.category-hero{padding:46px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* roulang page: category1 */
:root{--primary:#165be8;--ink:#122440;--muted:#64748b;--line:#e1e9f3;--bg:#f3f7fc;--radius:22px;--shadow:0 12px 38px rgba(21,53,103,.065)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:115px}body{margin:0;background:white;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}img,svg{display:block;max-width:100%}button,a{transition:background .2s,color .2s,transform .2s,box-shadow .2s}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #68a4ff;outline-offset:5px}button:active,.btn:active{transform:translateY(1px)}.container{max-width:1200px;padding-left:28px;padding-right:28px;margin:0 auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.header-row{display:flex;align-items:center;gap:38px;min-height:88px}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}.brand-mark{width:37px;height:41px;background:var(--primary);color:white;display:grid;place-items:center;clip-path:polygon(0 0,100% 0,100% 75%,50% 100%,0 75%);font-size:22px}.nav{display:flex;gap:8px;align-self:stretch;align-items:center}.nav a{font-size:14px;font-weight:600;padding:10px 16px;border-radius:10px;color:var(--muted)}.nav a:hover,.nav a.active{background:#edf3ff;color:var(--primary)}.region{margin-left:auto;font-size:12px;color:var(--muted);white-space:nowrap}.region::before{content:"";display:inline-block;width:7px;height:7px;background:#165be8;border-radius:50%;margin-right:8px}.section{padding:76px 0;border-bottom:1px solid var(--line)}.eyebrow{color:var(--primary);font-size:12px;letter-spacing:2px;font-weight:800;margin-bottom:14px}.section h2{font-size:30px;font-weight:800;line-height:1.4;letter-spacing:-.8px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:32px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:27px;transition:border-color .2s,transform .2s}.card:hover{border-color:#b9cef3}.card h3{font-size:18px;font-weight:750;line-height:1.5;margin-top:20px}.card p{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.9}.badge{display:inline-flex;align-items:center;gap:7px;background:#eef4ff;color:var(--primary);font-size:11px;font-weight:700;padding:5px 11px;border-radius:6px}.badge.white{color:#d7e8ff;background:rgba(255,255,255,.1)}.btn{display:inline-flex;justify-content:center;align-items:center;gap:13px;min-height:48px;padding:12px 23px;background:var(--primary);color:#fff;border:1px solid var(--primary);font-size:14px;font-weight:700;border-radius:10px}.btn:hover{background:#1048bd;box-shadow:0 8px 18px #165be82a}.btn.secondary{color:var(--ink);background:white;border-color:var(--line)}.btn.secondary:hover{background:#edf3ff}.text-link{font-size:14px;color:var(--primary);font-weight:700}.text-link:hover{color:#103c8e}.hero{padding:40px 0 56px;background:var(--bg)}.hero-top{display:flex;justify-content:space-between;gap:20px;margin-bottom:22px;color:var(--muted);font-size:12px}.topic-panel{display:grid;grid-template-columns:1.15fr 1fr;background:#102a50;border-radius:26px;overflow:hidden}.hero-copy{padding:45px;color:white}.hero h1{font-size:42px;line-height:1.3;font-weight:800;letter-spacing:-1.5px;margin:18px 0}.hero-copy p{font-size:14px;color:#c0d0e5;line-height:2}.watch-board{margin:30px;background:#19375e;border:1px solid #38516f;border-radius:18px;padding:26px;color:white}.board-row{display:grid;grid-template-columns:28px 1fr auto;gap:12px;align-items:center;border-top:1px solid #355071;padding:18px 0;font-size:14px}.board-row small{color:#b7cce7;font-size:11px}.board-row b{color:#7dabf1}.board-bar{height:4px;background:#355071;border-radius:3px;margin-top:8px}.board-bar span{display:block;height:100%;background:#87b4fb;border-radius:3px}.note{color:var(--muted);font-size:13px;line-height:1.9}.metric{border-left:3px solid #d5e3fb;padding:5px 0 5px 22px}.metric strong{display:block;color:var(--primary);font-size:32px;font-weight:800}.metric span{font-size:14px;font-weight:700}.metric p{font-size:13px;color:var(--muted);margin-top:8px}.step{position:relative;padding:22px 0 22px 60px;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.step-num{position:absolute;left:0;top:23px;background:#eaf1ff;color:var(--primary);width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:700}.step h3{font-size:17px;font-weight:700}.step p{color:var(--muted);font-size:14px;margin-top:8px}.case-card{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:white}.case-cover{height:115px;background:#e8f0fd;display:flex;align-items:center;justify-content:space-between;padding:24px;color:var(--primary)}.case-cover b{font-size:38px;letter-spacing:-2px}.case-cover span{font-size:12px;letter-spacing:2px}.case-body{padding:25px}.case-body h3{font-size:18px;font-weight:700;margin-bottom:12px}.case-body p{font-size:14px;color:var(--muted)}.case-result{border-top:1px solid var(--line);margin-top:20px;padding-top:15px;font-size:13px;color:#34588a}.article-row{padding:25px 0;display:grid;grid-template-columns:100px 1fr;gap:22px;border-top:1px solid var(--line);align-items:start}.article-row h3{font-size:18px;font-weight:700}.article-row p{font-size:14px;color:var(--muted);margin-top:9px}.source-row{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}.source-row:last-child{border-bottom:0}.source-row strong{font-size:15px}.source-row p{font-size:13px;color:var(--muted)}.faq details{border-bottom:1px solid var(--line);padding:21px 0}.faq summary{cursor:pointer;font-weight:700;padding-right:20px}.faq details p{color:var(--muted);font-size:14px;margin-top:13px;max-width:850px}.faq details[open] summary{color:var(--primary)}.boundary{background:#eaf1fd;border:1px solid #d1dff6;padding:27px;border-radius:20px}.boundary h3{font-size:19px;font-weight:800}.boundary p{color:#506782;font-size:14px;margin-top:10px}.site-footer{background:#101f36;color:#c0cde0;padding:49px 0 25px;font-size:12px}.footer-top{display:flex;justify-content:space-between;gap:35px;padding-bottom:30px}.footer-brand{font-size:20px;font-weight:800;color:white;margin-bottom:12px}.footer-links{display:flex;gap:22px;flex-wrap:wrap;align-content:start}.footer-links a:hover{color:white}.footer-bottom{border-top:1px solid #304057;padding-top:23px;display:flex;justify-content:space-between;gap:20px}
@media(max-width:1024px){.header-row{gap:20px}.region{display:none}.hero-copy{padding:32px}.watch-board{margin:24px 24px 24px 0}.hero h1{font-size:36px}}
@media(max-width:768px){.header-row{flex-wrap:wrap;gap:8px;padding-top:16px;padding-bottom:12px}.nav{width:100%}.nav a{padding:8px 14px}.topic-panel{grid-template-columns:1fr}.watch-board{margin:0 26px 26px}.hero-copy{padding:32px}.section{padding:52px 0}.section-head{align-items:flex-start;flex-direction:column;gap:15px}.section h2{font-size:26px}.footer-top,.footer-bottom{flex-direction:column}.footer-links{gap:18px}.hero-top{flex-wrap:wrap}}
@media(max-width:520px){.container{padding-left:20px;padding-right:20px}.brand{font-size:18px}.hero{padding-top:25px}.hero-copy{padding:27px 23px}.hero h1{font-size:31px}.watch-board{margin:0 16px 16px;padding:20px}.board-row{gap:8px;font-size:13px}.card{padding:23px}.article-row{grid-template-columns:1fr;gap:12px}.hero-top{font-size:11px}.source-row{align-items:flex-start}.source-row .text-link{white-space:nowrap}.btn{padding:11px 17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}