/* roulang page: index */
:root{--ink:#123e38;--ink-deep:#092b27;--teal:#1d7065;--mint:#dcefe6;--coral:#ec7257;--coral-dark:#ce573f;--sand:#f4ede2;--cream:#fbf9f4;--paper:#fffdf9;--graphite:#263330;--muted:#68736e;--line:#dce2d9;--white:#fff;--radius:20px;--radius-sm:14px;--shadow:0 15px 40px rgba(27,48,42,.09);--shadow-hover:0 20px 46px rgba(18,62,56,.16);--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--graphite);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.72;font-size:15px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.container{width:min(calc(100% - 48px),var(--max));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;z-index:99;background:var(--coral);padding:10px 16px;border-radius:9px;color:#fff}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(18,62,56,.1)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:220px;color:var(--ink);font-weight:800;line-height:1.18}.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:14px;letter-spacing:-1px;box-shadow:inset 0 -5px 0 rgba(0,0,0,.14)}.brand small{display:block;font-size:10px;letter-spacing:.1em;color:var(--teal);margin-top:2px}.nav{display:flex;align-items:center;gap:5px}.nav a{position:relative;padding:10px 11px;color:#45524d;font-weight:650;font-size:14px;white-space:nowrap}.nav a:hover,.nav a.active{color:var(--ink)}.nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:5px;background:var(--coral)}.header-action{padding:10px 15px;border-radius:11px;background:var(--coral);color:#fff;font-weight:800;font-size:14px;transition:.2s}.header-action:hover{background:var(--coral-dark);transform:translateY(-1px)}.menu-btn{display:none;border:0;background:var(--mint);color:var(--ink);border-radius:10px;width:42px;height:42px;font-size:20px}
main{overflow:hidden}.hero{position:relative;background:var(--ink-deep);color:#fff;padding:78px 0 52px;isolation:isolate}.hero:before{content:"";position:absolute;width:620px;height:620px;right:-160px;top:-260px;border:1px solid rgba(199,237,220,.16);border-radius:50%;box-shadow:0 0 0 65px rgba(199,237,220,.035),0 0 0 130px rgba(199,237,220,.025);z-index:-1}.hero:after{content:"";position:absolute;inset:0;opacity:.25;background-image:radial-gradient(rgba(255,255,255,.4) .7px,transparent .7px);background-size:9px 9px;mask-image:linear-gradient(90deg,#000,transparent);z-index:-1}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;background:rgba(207,239,225,.12);border:1px solid rgba(207,239,225,.22);color:#d8eee3;padding:7px 12px;border-radius:999px;font-size:12px;font-weight:750;letter-spacing:.08em}.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(37px,5vw,65px);line-height:1.16;letter-spacing:-.055em;margin:18px 0 18px;max-width:720px}.hero h1 em{font-style:normal;color:#abdfc8}.hero p{max-width:620px;color:#d2e1da;font-size:17px;line-height:1.85;margin-bottom:27px}.actions{display:flex;flex-wrap:wrap;gap:12px}.btn{min-height:47px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:12px;padding:11px 18px;font-weight:800;transition:transform .2s,background .2s,border .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px)}.btn:focus,.faq-q:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(236,114,87,.35);outline-offset:3px}.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(236,114,87,.24)}.btn-primary:hover{background:var(--coral-dark)}.btn-light{border-color:rgba(221,244,232,.42);color:#e7f5ed;background:rgba(255,255,255,.05)}.btn-light:hover{background:rgba(255,255,255,.13)}.hero-art{position:relative;min-height:380px}.orbit{position:absolute;inset:26px 28px;border:1px dashed rgba(213,246,230,.3);border-radius:46% 54% 49% 51% / 53% 43% 57% 47%;transform:rotate(-16deg)}.app-device{position:absolute;right:80px;top:5px;width:220px;height:380px;background:#e9f1e9;border:8px solid #274d45;border-radius:31px;padding:13px;transform:rotate(8deg);box-shadow:20px 26px 0 rgba(0,0,0,.13),0 22px 45px rgba(0,0,0,.25)}.device-top{height:15px;width:76px;margin:0 auto 10px;background:#274d45;border-radius:99px}.screen{height:319px;border-radius:17px;background:linear-gradient(154deg,#2a7e70,#163d37 57%,#e56d56 58%,#f3ae7f);padding:20px}.screen-kicker{font-size:10px;color:#c6eee0}.screen-title{font-size:25px;line-height:1.12;font-weight:900;margin:29px 0 14px}.screen-card{background:rgba(255,255,255,.88);color:var(--ink);padding:12px;border-radius:12px;font-size:11px;font-weight:800}.float-card{position:absolute;background:rgba(255,253,249,.96);color:var(--ink);border-radius:15px;padding:14px 16px;box-shadow:var(--shadow);font-weight:800;line-height:1.35}.float-card span{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:4px}.card-a{top:64px;left:10px}.card-b{right:1px;bottom:22px}.hero-trust{margin-top:50px;border-top:1px solid rgba(214,240,226,.2);padding-top:20px;display:flex;gap:30px;flex-wrap:wrap}.trust{display:flex;gap:9px;align-items:center;color:#d8e8df;font-size:13px;font-weight:700}.trust b{display:grid;place-items:center;width:26px;height:26px;border-radius:8px;background:rgba(175,225,204,.14);color:#b4e5d1}
.section{padding:82px 0}.section-sand{background:var(--sand)}.section-dark{background:var(--ink);color:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:29px}.section-head h2{font-size:clamp(26px,3vw,39px);letter-spacing:-.04em;line-height:1.2;margin:0;color:var(--ink)}.section-head p{margin:7px 0 0;color:var(--muted);max-width:590px}.section-dark .section-head h2{color:#fff}.section-dark .section-head p{color:#c9ddd4}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-weight:800;white-space:nowrap}.text-link:hover{color:var(--coral)}.text-link:hover b{transform:translateX(4px)}.text-link b{transition:.2s}.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);overflow:hidden;box-shadow:0 8px 28px rgba(30,47,40,.05)}.stat{padding:25px 27px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat b{display:block;color:var(--ink);font-size:25px;letter-spacing:-.04em}.stat span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.feature-stack{display:grid;gap:18px}.topic-card{position:relative;min-height:188px;border-radius:var(--radius);overflow:hidden;padding:26px;color:#fff;background:var(--ink);transition:.25s;box-shadow:var(--shadow)}.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.topic-card.large{min-height:394px;background:linear-gradient(145deg,#17584e,#0d3530 62%,#db6d54)}.topic-card.orange{background:linear-gradient(130deg,#e5765c,#b95142)}.topic-card.mint{background:linear-gradient(130deg,#337a6d,#6ca798)}.topic-card:after{content:"";position:absolute;width:180px;height:180px;right:-40px;bottom:-70px;border:24px solid rgba(255,255,255,.14);border-radius:50%}.topic-card .label{color:#d7f1e5}.topic-card h3{position:relative;font-size:28px;line-height:1.22;margin:12px 0 7px;z-index:1}.topic-card p{position:relative;max-width:360px;color:rgba(255,255,255,.82);margin:0;z-index:1}.topic-card .arrow{position:absolute;bottom:23px;left:27px;font-size:22px;z-index:1}
.download-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:65px;align-items:center}.download-visual{position:relative;min-height:360px;background:#ecd9bf;border-radius:28px;overflow:hidden}.download-visual:before{content:"";position:absolute;width:250px;height:250px;border-radius:50%;background:#f7f0e5;right:-35px;top:-45px}.download-icon{position:absolute;left:42px;top:42px;width:74px;height:74px;border-radius:22px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:24px;font-weight:900;box-shadow:0 12px 20px rgba(18,62,56,.18)}.download-phone{position:absolute;width:178px;height:305px;bottom:-12px;right:50px;border:7px solid var(--ink);border-radius:26px;background:#fbf8f1;padding:12px;transform:rotate(-8deg);box-shadow:12px 15px 0 rgba(18,62,56,.14)}.download-phone .screen{height:270px;background:linear-gradient(150deg,#eff7f0,#b9dece);color:var(--ink)}.download-copy h2{font-size:39px;line-height:1.22;color:var(--ink);letter-spacing:-.04em;margin-bottom:15px}.download-copy p{color:var(--muted);font-size:16px}.download-meta{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.pill{padding:6px 10px;border-radius:999px;background:var(--mint);color:var(--ink);font-size:12px;font-weight:800}.download-row{display:flex;align-items:center;gap:16px;margin-top:22px}.qr{width:70px;height:70px;padding:6px;background:#fff;border:1px solid var(--line);border-radius:10px;background-image:linear-gradient(90deg,#173d36 25%,transparent 25%,transparent 50%,#173d36 50%,#173d36 75%,transparent 75%),linear-gradient(#173d36 25%,transparent 25%,transparent 50%,#173d36 50%,#173d36 75%,transparent 75%);background-size:12px 12px;background-position:0 0,6px 6px}.safe-note{font-size:12px;color:var(--muted);margin-top:16px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{position:relative;padding:12px 25px 12px 0}.step:not(:last-child):after{content:"";position:absolute;top:32px;right:6px;width:30px;height:1px;background:#a9bbb2}.step-num{width:42px;height:42px;border:1px solid #a8c9bb;border-radius:50%;display:grid;place-items:center;color:var(--teal);font-weight:900;margin-bottom:13px}.step h3{color:var(--ink);font-size:17px;margin:0 0 4px}.step p{color:var(--muted);font-size:13px;margin:0}.device-tags{margin-top:26px;display:flex;gap:10px;flex-wrap:wrap}.device-tags span{border:1px solid var(--line);border-radius:10px;background:#fff;padding:8px 12px;color:var(--ink);font-weight:750;font-size:13px}
.news-layout{display:grid;grid-template-columns:1fr 1.12fr;gap:20px}.news-feature{min-height:370px;border-radius:var(--radius);padding:28px;background:linear-gradient(150deg,#295f55,#123e38);color:#fff;position:relative;overflow:hidden}.news-feature:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-85px;bottom:-72px}.news-feature h3{font-size:29px;line-height:1.3;margin:55px 0 12px;max-width:390px}.news-feature p{color:#cce0d6;max-width:410px}.news-feature a{position:absolute;bottom:27px;color:#fff;font-weight:800}.news-list{display:grid;gap:12px}.news-item{display:grid;grid-template-columns:86px 1fr auto;gap:16px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--paper);transition:.22s}.news-item:hover{border-color:#8cc7b4;transform:translateX(4px);box-shadow:0 10px 24px rgba(18,62,56,.08)}.thumb{height:74px;border-radius:11px;background:linear-gradient(135deg,#b9d9cb,#e6b18c);position:relative;overflow:hidden}.thumb:after{content:"";position:absolute;width:60px;height:60px;border-radius:50%;border:10px solid rgba(255,255,255,.4);right:-17px;bottom:-18px}.news-item h3{font-size:16px;line-height:1.4;color:var(--ink);margin:3px 0}.news-item p{font-size:12px;line-height:1.55;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.meta{font-size:11px;color:var(--muted)}.meta .tag{display:inline-block;color:var(--teal);font-weight:800;margin-right:7px}.arrow-go{font-size:22px;color:var(--teal);transition:.2s}.news-item:hover .arrow-go{transform:translateX(3px)}.empty{padding:55px 20px;text-align:center;border:1px dashed #a8c9bb;border-radius:var(--radius);color:var(--muted);background:var(--paper)}.empty b{display:block;font-size:25px;color:var(--teal);margin-bottom:7px}
.update-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.panel{border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);padding:28px}.panel h3{color:var(--ink);font-size:22px;margin-bottom:18px}.timeline{list-style:none;padding:0;margin:0}.timeline li{position:relative;padding:0 0 19px 25px;border-left:1px solid #c8ddd3}.timeline li:last-child{padding-bottom:0}.timeline li:before{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--coral);left:-5px;top:6px}.timeline time{display:block;color:var(--teal);font-size:12px;font-weight:800}.timeline b{display:block;color:var(--ink);margin-top:3px}.timeline span{color:var(--muted);font-size:13px}.version{padding:14px 0;border-bottom:1px solid var(--line)}.version:last-child{border-bottom:0;padding-bottom:0}.version:first-of-type{padding-top:0}.version-top{display:flex;justify-content:space-between;gap:10px;color:var(--ink);font-weight:800}.version p{margin:4px 0 0;color:var(--muted);font-size:13px}.status{font-size:11px;background:#f8dfd8;color:#a74432;padding:3px 7px;border-radius:99px;white-space:nowrap}
.scene-grid{display:grid;grid-template-columns:1.05fr .95fr .9fr;gap:18px}.scene{min-height:265px;border-radius:var(--radius);padding:25px;display:flex;flex-direction:column;justify-content:flex-end;transition:.25s}.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.scene:nth-child(1){background:#bfe0d1}.scene:nth-child(2){background:#f2d1b5}.scene:nth-child(3){background:#e5e1d4}.scene-icon{margin-bottom:auto;font-size:34px;color:var(--ink)}.scene h3{font-size:23px;color:var(--ink);margin:13px 0 4px}.scene p{color:#45524d;margin:0}.guide-map{display:grid;grid-template-columns:.72fr 1.28fr;gap:48px;align-items:center}.guide-copy h2{font-size:37px;line-height:1.25;color:var(--ink);letter-spacing:-.04em}.guide-copy p{color:var(--muted)}.route{display:grid;gap:13px}.route-item{display:grid;grid-template-columns:48px 1fr;gap:15px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:15px}.route-item b{width:37px;height:37px;border-radius:11px;display:grid;place-items:center;background:var(--mint);color:var(--ink)}.route-item h3{margin:0;color:var(--ink);font-size:16px}.route-item p{margin:1px 0 0;color:var(--muted);font-size:13px}
.security{border-radius:28px;overflow:hidden;display:grid;grid-template-columns:.85fr 1.15fr;background:#dcece3}.security-main{padding:40px;background:var(--ink);color:#fff}.security-main h2{font-size:34px;line-height:1.25;margin:12px 0}.security-main p{color:#cbdfd4}.security-list{padding:29px;display:grid;grid-template-columns:1fr 1fr;gap:13px}.security-item{padding:18px;background:rgba(255,255,255,.62);border-radius:14px}.security-item b{font-size:21px;color:var(--teal)}.security-item h3{font-size:16px;color:var(--ink);margin:6px 0 2px}.security-item p{color:var(--muted);font-size:12px;margin:0}
.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.service-card{padding:31px;border-radius:var(--radius);border:1px solid var(--line);background:var(--paper);position:relative;overflow:hidden;transition:.25s}.service-card:hover{border-color:#8cc7b4;transform:translateY(-4px);box-shadow:var(--shadow)}.service-card:after{content:"";position:absolute;width:120px;height:120px;border-radius:50%;right:-31px;top:-35px;background:var(--mint)}.service-card h3{color:var(--ink);font-size:25px;margin:10px 0 7px}.service-card p{color:var(--muted);max-width:380px}.service-sub{margin-top:22px;display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px}.service-sub a{color:var(--teal);font-weight:800}
.faq-wrap{max-width:900px;margin:auto}.faq{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;border:0;background:transparent;padding:20px 2px;display:flex;justify-content:space-between;align-items:center;text-align:left;color:var(--ink);font-size:17px;font-weight:800}.faq-q span:last-child{font-size:23px;color:var(--coral);transition:.25s}.faq-a{display:none;padding:0 28px 20px 2px;color:var(--muted)}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.category-card{border:1px solid rgba(213,237,225,.19);background:rgba(255,255,255,.06);border-radius:18px;padding:23px;transition:.24s;min-height:190px}.category-card:hover{background:rgba(220,239,230,.14);transform:translateY(-4px)}.category-card i{font-style:normal;font-size:26px;color:#aee0c9}.category-card h3{font-size:20px;margin:18px 0 6px}.category-card p{font-size:13px;color:#c6dbd1;margin:0}.category-card b{display:block;margin-top:18px;color:#fff}
.closing{background:var(--ink-deep);color:#fff;padding:67px 0}.closing-grid{display:grid;grid-template-columns:1fr .86fr;gap:60px;align-items:center}.closing h2{font-size:38px;line-height:1.22;margin:0 0 10px}.closing p{color:#c7ddd1;margin-bottom:0}.feedback{background:#fffdf9;border-radius:18px;padding:21px;color:var(--graphite)}.feedback h3{color:var(--ink);margin-bottom:12px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.feedback input,.feedback select,.feedback textarea{width:100%;padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--graphite);margin-bottom:10px}.feedback textarea{height:70px;resize:vertical}.feedback button{width:100%;border:0}.form-note{font-size:11px;color:var(--muted);margin:9px 0 0}
.footer{background:#082b27;color:#d5e4dc;padding:54px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,.8fr);gap:35px;padding-bottom:35px;border-bottom:1px solid rgba(220,239,230,.16)}.footer .brand{color:#fff}.footer .brand small{color:#a7d8c2}.footer p{font-size:13px;max-width:390px;color:#b5cbc1}.footer h3{font-size:14px;color:#fff;margin:0 0 13px}.footer-links{display:grid;gap:8px}.footer-links a{font-size:13px;color:#c2d6cc}.footer-links a:hover{color:#fff}.copyright{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding-top:18px;font-size:12px;color:#9cb8ac}
@media(max-width:1024px){.nav a{padding:10px 7px;font-size:13px}.brand{min-width:180px}.hero-grid,.download-grid,.guide-map,.closing-grid{gap:34px}.category-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.header-inner{height:68px}.nav{display:none}.menu-btn{display:block}.header-action{margin-left:auto}.brand{min-width:0;font-size:13px}.brand small{display:none}.hero{padding:56px 0 38px}.hero-grid,.download-grid,.news-layout,.update-grid,.guide-map,.security,.closing-grid{grid-template-columns:1fr}.hero-art{min-height:315px;max-width:480px;margin:auto;width:100%}.app-device{right:calc(50% - 105px);transform:rotate(6deg) scale(.84);transform-origin:top}.card-a{left:4%}.card-b{right:3%}.hero-trust{gap:14px}.section{padding:60px 0}.stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.feature-grid{grid-template-columns:1fr}.topic-card.large{min-height:320px}.steps{grid-template-columns:1fr 1fr;gap:18px}.step:not(:last-child):after{display:none}.download-visual{min-height:310px}.security-main{padding:31px}.security-list{padding:18px}.scene-grid{grid-template-columns:1fr}.scene{min-height:205px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){body{font-size:14px}.header-action{padding:9px 10px;font-size:12px}.hero h1{font-size:36px}.hero p{font-size:15px}.actions .btn{width:100%}.section-head{display:block}.section-head .text-link{margin-top:15px}.stats{grid-template-columns:1fr}.stat,.stat:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.stat:last-child{border-bottom:0}.news-item{grid-template-columns:68px 1fr}.news-item .arrow-go{display:none}.thumb{height:66px}.news-feature{min-height:310px}.download-copy h2,.guide-copy h2,.closing h2{font-size:30px}.download-row{align-items:flex-start;flex-direction:column}.steps,.security-list,.service-grid,.form-row,.footer-grid{grid-template-columns:1fr}.category-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.security-main{padding:27px}.section-dark .section-head{display:block}}

/* roulang page: article */
:root{--ink:#123e38;--ink-deep:#092b27;--teal:#1d7065;--mint:#dcefe6;--coral:#ec7257;--coral-dark:#ce573f;--sand:#f4ede2;--cream:#fbf9f4;--paper:#fffdf9;--graphite:#263330;--muted:#68736e;--line:#dce2d9;--white:#fff;--radius:20px;--radius-sm:14px;--shadow:0 15px 40px rgba(27,48,42,.09);--shadow-hover:0 20px 46px rgba(18,62,56,.16);--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--graphite);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.72}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea,select{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 48px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(18,62,56,.1)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:220px;color:var(--ink);font-weight:800;line-height:1.18}.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:14px;letter-spacing:-1px;box-shadow:inset 0 -5px 0 rgba(0,0,0,.14)}.brand small{display:block;font-size:10px;letter-spacing:.1em;color:var(--teal);margin-top:2px}.nav{display:flex;align-items:center;gap:5px}.nav a{position:relative;padding:10px 11px;color:#45524d;font-weight:650;font-size:14px;white-space:nowrap}.nav a:hover,.nav a.active{color:var(--ink)}.nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:5px;background:var(--coral)}.header-action{padding:10px 15px;border-radius:11px;background:var(--coral);color:#fff;font-weight:800;font-size:14px;transition:.2s}.header-action:hover{background:var(--coral-dark);transform:translateY(-1px)}.menu-btn{display:none;border:0;background:var(--mint);color:var(--ink);border-radius:10px;width:42px;height:42px;font-size:20px}
main{overflow:hidden}.article-hero{position:relative;padding:66px 0 54px;background:var(--ink-deep);color:#fff;isolation:isolate}.article-hero:before{content:"";position:absolute;width:540px;height:540px;right:-110px;top:-280px;border:1px solid rgba(206,239,222,.16);border-radius:50%;box-shadow:0 0 0 60px rgba(206,239,222,.035),0 0 0 120px rgba(206,239,222,.02);z-index:-1}.article-hero:after{content:"";position:absolute;inset:0;opacity:.18;background-image:radial-gradient(rgba(255,255,255,.55) .7px,transparent .7px);background-size:10px 10px;z-index:-1}.article-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:54px;align-items:end}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(214,240,226,.12);border:1px solid rgba(214,240,226,.22);color:#d8eee3;font-size:12px;font-weight:800;letter-spacing:.06em}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--coral)}.article-hero h1{max-width:850px;margin:17px 0 18px;font-size:clamp(32px,4.4vw,58px);line-height:1.2;letter-spacing:-.045em}.article-summary{max-width:820px;margin:0;color:#d1e1d9;font-size:16px;line-height:1.9}.article-visual{height:210px;border-radius:var(--radius);position:relative;overflow:hidden;background:linear-gradient(145deg,#286b60,#0d3530 66%,#d66b53);box-shadow:var(--shadow)}.article-visual:before{content:"J9";position:absolute;right:20px;bottom:-40px;color:rgba(255,255,255,.15);font-size:152px;font-weight:900;letter-spacing:-.15em}.article-visual:after{content:"";position:absolute;width:155px;height:155px;left:32px;top:26px;border:18px solid rgba(221,244,232,.22);border-radius:42px;transform:rotate(28deg)}.visual-note{position:absolute;left:25px;bottom:23px;color:#e9f5ee;font-size:13px;font-weight:800;z-index:1}.article-meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:24px;color:#c6ddd3;font-size:13px}.article-meta span{display:inline-flex;align-items:center;gap:7px}.article-meta i{width:5px;height:5px;background:var(--coral);border-radius:50%}
.section{padding:64px 0}.breadcrumb-wrap{padding:22px 0;border-bottom:1px solid var(--line);background:var(--paper)}.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:13px}.breadcrumb a{color:var(--ink);font-weight:750}.breadcrumb a:hover{color:var(--coral)}.breadcrumb b{color:#a2aaa4;font-weight:500}.reading-layout{width:min(100%,820px);margin:auto}.article-content{font-size:16px;line-height:1.95;color:#35433f}.article-content>*:first-child{margin-top:0}.article-content h2,.article-content h3{color:var(--ink);line-height:1.35;letter-spacing:-.025em;margin:42px 0 16px}.article-content h2{font-size:28px}.article-content h3{font-size:22px}.article-content p{margin:0 0 20px}.article-content ul,.article-content ol{padding-left:1.45em;margin:0 0 22px}.article-content li{padding-left:5px;margin:8px 0}.article-content blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--coral);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:var(--sand);color:var(--ink);font-weight:650}.article-content img{border-radius:14px;margin:28px auto;box-shadow:var(--shadow)}.article-content table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:26px 0;border:1px solid var(--line);border-radius:12px}.article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line);text-align:left}.article-content th{background:var(--mint);color:var(--ink)}.notice{width:min(100%,820px);margin:0 auto;background:#e7f2ec;border:1px solid #cbe2d6;border-radius:var(--radius-sm);padding:19px 21px;display:flex;gap:14px;align-items:flex-start;color:#31564e}.notice-icon{flex:0 0 31px;height:31px;border-radius:10px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:900}.notice strong{display:block;margin-bottom:2px;color:var(--ink)}.notice p{margin:0;font-size:14px}
.download-strip{width:min(100%,900px);margin:auto;padding:24px;border-radius:var(--radius);background:linear-gradient(125deg,#f4ede2,#fffdf9);border:1px solid #eadfce;display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;box-shadow:var(--shadow)}.app-icon{width:58px;height:58px;border-radius:18px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:20px;font-weight:900;box-shadow:inset 0 -7px 0 rgba(0,0,0,.14)}.download-strip h2{margin:0;color:var(--ink);font-size:20px;font-weight:850}.download-strip p{margin:3px 0 0;color:var(--muted);font-size:13px}.badge-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}.badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:99px;background:var(--mint);color:var(--ink);font-size:11px;font-weight:800}.btn{min-height:47px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:12px;border:1px solid transparent;font-weight:800;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn:focus,.faq-q:focus{outline:3px solid rgba(236,114,87,.35);outline-offset:3px}.btn-primary{color:#fff;background:var(--coral);box-shadow:0 8px 18px rgba(236,114,87,.22)}.btn-primary:hover{background:var(--coral-dark)}.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}.btn-outline:hover{background:var(--ink);color:#fff}
.article-foot{width:min(100%,820px);margin:auto;padding:23px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;align-items:center}.tag-list{display:flex;gap:8px;flex-wrap:wrap}.tag{padding:5px 10px;border-radius:999px;background:var(--sand);color:var(--ink);font-size:12px;font-weight:750}.updated{color:var(--muted);font-size:13px;text-align:right}.section-sand{background:var(--sand)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:27px}.section-head h2{margin:0;color:var(--ink);font-size:clamp(26px,3vw,38px);line-height:1.2;letter-spacing:-.04em}.section-head p{max-width:520px;margin:7px 0 0;color:var(--muted)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.related-card{display:flex;flex-direction:column;min-height:280px;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:0 8px 25px rgba(27,48,42,.05);transition:.25s}.related-card:hover{transform:translateY(-4px);border-color:#a8d0c1;box-shadow:var(--shadow-hover)}.card-image{height:110px;margin:-22px -22px 19px;border-radius:20px 20px 0 0;background:linear-gradient(135deg,#1d7065,#123e38 65%,#e97860);position:relative;overflow:hidden}.card-image:after{content:"";position:absolute;width:120px;height:120px;right:-22px;top:-35px;border:19px solid rgba(255,255,255,.19);border-radius:50%}.card-image.alt{background:linear-gradient(135deg,#d86b54,#ec9070)}.card-image.mint{background:linear-gradient(135deg,#5d9d8d,#174d45)}.card-kicker{color:var(--teal);font-size:12px;font-weight:850}.related-card h3{margin:9px 0;color:var(--ink);font-size:19px;line-height:1.42}.related-card p{margin:0 0 17px;color:var(--muted);font-size:13px}.card-bottom{margin-top:auto;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}.card-bottom b{color:var(--ink);font-size:16px;transition:.2s}.related-card:hover .card-bottom b{color:var(--coral);transform:translateX(4px)}
.faq-area{width:min(100%,820px);margin:auto}.faq-item{border-bottom:1px solid rgba(220,226,217,.8)}.faq-q{width:100%;padding:18px 0;border:0;background:none;display:flex;justify-content:space-between;gap:22px;text-align:left;color:var(--ink);font-weight:800}.faq-q span:last-child{font-size:22px;color:var(--coral);line-height:1;transition:.2s}.faq-a{display:none;padding:0 34px 18px 0;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.action-band{background:var(--ink);color:#fff;padding:52px 0}.action-inner{display:flex;gap:30px;justify-content:space-between;align-items:center}.action-inner h2{margin:0 0 8px;font-size:31px;letter-spacing:-.04em}.action-inner p{margin:0;color:#c9ddd4}.action-buttons{display:flex;gap:11px;flex-wrap:wrap}.btn-light{background:rgba(255,255,255,.07);border-color:rgba(220,239,229,.38);color:#fff}.btn-light:hover{background:rgba(255,255,255,.15)}
.empty-state{padding:46px 25px;border:1px dashed #b9ccc2;border-radius:var(--radius);background:var(--paper);text-align:center;color:var(--muted)}.empty-state strong{display:block;margin-bottom:8px;color:var(--ink);font-size:20px}.empty-state .btn{margin-top:14px}
.footer{padding:58px 0 22px;background:var(--ink-deep);color:#d0dfd7}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:52px;padding-bottom:38px}.footer .brand{color:#fff}.footer .brand small{color:#a9d7c3}.footer p{max-width:430px;margin:17px 0 0;color:#bfd1c8;font-size:14px}.footer h3{margin:4px 0 15px;color:#fff;font-size:15px}.footer-links{display:grid;gap:9px}.footer-links a{width:max-content;color:#bfd1c8;font-size:14px;transition:.2s}.footer-links a:hover{color:#fff;transform:translateX(3px)}.copyright{padding-top:20px;border-top:1px solid rgba(218,240,229,.16);display:flex;justify-content:space-between;gap:18px;color:#9eb7ac;font-size:12px}
@media(max-width:1024px){.nav a{padding-left:7px;padding-right:7px}.article-hero-grid{grid-template-columns:1fr 230px;gap:32px}.related-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.header-inner{height:68px}.brand{min-width:auto}.nav{display:none;position:absolute;top:68px;left:16px;right:16px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:11px}.menu-btn{display:block}.header-action{margin-left:auto;padding:9px 12px}.article-hero{padding:45px 0}.article-hero-grid{grid-template-columns:1fr}.article-visual{height:145px;max-width:420px}.article-hero h1{font-size:35px}.section{padding:48px 0}.download-strip{grid-template-columns:auto 1fr}.download-strip .btn{grid-column:1/-1;width:100%}.article-foot,.action-inner{align-items:flex-start;flex-direction:column}.updated{text-align:left}.related-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-grid>div:first-child{grid-column:1/-1}.copyright{flex-direction:column}.section-head{align-items:flex-start;flex-direction:column;gap:7px}}@media(max-width:520px){body{font-size:14px}.header-action{font-size:12px}.brand small{font-size:9px}.article-hero h1{font-size:30px}.article-summary{font-size:15px}.article-content{font-size:15px}.article-content h2{font-size:25px}.notice{padding:16px}.download-strip{padding:19px;gap:13px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.action-inner h2{font-size:27px}.action-buttons{width:100%}.action-buttons .btn{flex:1}.breadcrumb{font-size:12px}}

/* roulang page: category1 */
:root{--ink:#123e38;--ink-deep:#092b27;--teal:#1d7065;--mint:#dcefe6;--coral:#ec7257;--coral-dark:#ce573f;--sand:#f4ede2;--cream:#fbf9f4;--paper:#fffdf9;--graphite:#263330;--muted:#68736e;--line:#dce2d9;--white:#fff;--radius:20px;--radius-sm:14px;--shadow:0 15px 40px rgba(27,48,42,.09);--shadow-hover:0 20px 46px rgba(18,62,56,.16);--max:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--graphite);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.72;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(18,62,56,.1)}
    .header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px;color:var(--ink);font-weight:800;line-height:1.18}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:14px;letter-spacing:-1px;box-shadow:inset 0 -5px 0 rgba(0,0,0,.14)}
    .brand small{display:block;font-size:10px;letter-spacing:.1em;color:var(--teal);margin-top:2px}
    .nav{display:flex;align-items:center;gap:5px}
    .nav a{position:relative;padding:10px 11px;color:#45524d;font-weight:650;font-size:14px;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:5px;background:var(--coral)}
    .header-action{padding:10px 15px;border-radius:11px;background:var(--coral);color:#fff;font-weight:800;font-size:14px;transition:.2s}
    .header-action:hover{background:var(--coral-dark);transform:translateY(-1px);color:#fff}
    .menu-btn{display:none;border:0;background:var(--mint);color:var(--ink);border-radius:10px;width:42px;height:42px;font-size:20px}
    .btn{min-height:47px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:12px;padding:11px 18px;font-weight:800;transition:transform .2s,background .2s,border .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,.faq-q:focus{outline:3px solid rgba(236,114,87,.35);outline-offset:3px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(236,114,87,.24)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
    .btn-outline:hover{background:var(--ink);color:#fff}
    main{overflow:hidden}
    .section{padding:78px 0}
    .section-sand{background:var(--sand)}
    .section-dark{background:var(--ink);color:#fff}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .section-head h2{margin:0;color:var(--ink);font-size:clamp(27px,3vw,39px);line-height:1.22;letter-spacing:-.04em}
    .section-head p{max-width:590px;margin:8px 0 0;color:var(--muted)}
    .section-dark .section-head h2{color:#fff}
    .section-dark .section-head p{color:#cae0d5}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 11px;border-radius:999px;background:var(--mint);color:var(--ink);font-size:12px;font-weight:800;letter-spacing:.05em}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--coral)}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;color:#6e7c75;font-size:13px;margin-bottom:22px}
    .breadcrumb a{color:var(--teal);font-weight:700}
    .breadcrumb a:hover{color:var(--coral)}
    .breadcrumb span:last-child{color:var(--muted)}
    .channel-hero{position:relative;padding:59px 0 63px;background:var(--paper);border-bottom:1px solid var(--line);isolation:isolate}
    .channel-hero:before{content:"";position:absolute;width:455px;height:455px;right:-100px;top:-260px;border-radius:50%;background:var(--mint);opacity:.68;z-index:-1}
    .channel-hero:after{content:"";position:absolute;width:290px;height:290px;right:10%;bottom:-190px;border-radius:50%;border:48px solid rgba(29,112,101,.08);z-index:-1}
    .channel-head{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:50px;align-items:center}
    .channel-head h1{font-size:clamp(39px,5vw,61px);line-height:1.1;letter-spacing:-.06em;color:var(--ink);margin:15px 0}
    .channel-head p{max-width:700px;margin:0;color:#51605a;font-size:17px}
    .news-emblem{position:relative;width:245px;height:206px;margin-left:auto;border-radius:28px;background:var(--ink);box-shadow:var(--shadow);overflow:hidden}
    .news-emblem:before{content:"";position:absolute;inset:29px 32px 31px;background:var(--paper);border-radius:12px;box-shadow:0 12px 0 rgba(236,114,87,.95)}
    .news-emblem:after{content:"";position:absolute;left:53px;top:58px;width:112px;height:11px;border-radius:8px;background:var(--teal);box-shadow:0 27px 0 #b8d7c9,0 54px 0 #dce8df}
    .news-emblem span{position:absolute;right:28px;top:26px;width:54px;height:54px;border-radius:50%;background:var(--coral);border:8px solid var(--ink);z-index:2}
    .featured{display:grid;grid-template-columns:.83fr 1.17fr;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:var(--paper);box-shadow:var(--shadow)}
    .featured-visual{min-height:310px;position:relative;background:linear-gradient(135deg,#164d45,#0b302c);padding:30px;overflow:hidden}
    .featured-visual:before,.featured-visual:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.25);border-radius:50%}
    .featured-visual:before{width:285px;height:285px;right:-85px;bottom:-130px}
    .featured-visual:after{width:160px;height:160px;left:-70px;top:-65px}
    .date-stamp{position:absolute;left:31px;bottom:29px;color:#fff;font-size:38px;font-weight:850;line-height:1;letter-spacing:-.06em}
    .date-stamp small{display:block;margin-top:7px;color:#b7dbcb;font-size:12px;letter-spacing:.12em}
    .featured-body{padding:38px 42px;display:flex;flex-direction:column;align-items:flex-start}
    .tag{display:inline-flex;align-items:center;min-height:27px;padding:4px 10px;border-radius:999px;background:#e6f2ec;color:var(--teal);font-weight:800;font-size:12px}
    .tag.coral{background:#fce0d9;color:#a54431}
    .featured h2{font-size:30px;line-height:1.3;letter-spacing:-.04em;color:var(--ink);margin:15px 0 12px}
    .featured p{margin:0 0 21px;color:var(--muted)}
    .post-meta{display:flex;align-items:center;gap:11px;flex-wrap:wrap;color:#79837d;font-size:13px}
    .post-meta i{width:4px;height:4px;border-radius:50%;background:#a8b3ad}
    .post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .post-card{display:flex;flex-direction:column;min-height:326px;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 7px 21px rgba(33,48,42,.035);transition:.25s}
    .post-card:hover{border-color:#9fcabb;transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .card-cover{height:116px;margin-bottom:17px;border-radius:13px;background:linear-gradient(135deg,#dcefe6,#a8d1bf);position:relative;overflow:hidden}
    .card-cover:after{content:"";position:absolute;width:130px;height:130px;border:20px solid rgba(18,62,56,.17);border-radius:50%;right:-34px;bottom:-69px}
    .card-cover.c2{background:linear-gradient(135deg,#f4d2c7,#ec7257)}
    .card-cover.c3{background:linear-gradient(135deg,#d9dfba,#70966e)}
    .card-cover.c4{background:linear-gradient(135deg,#d8e6dd,#4f897c)}
    .card-cover.c5{background:linear-gradient(135deg,#f2e6c8,#c59c62)}
    .card-cover.c6{background:linear-gradient(135deg,#d9d2e5,#77669a)}
    .post-card h3{font-size:18px;line-height:1.45;letter-spacing:-.025em;color:var(--ink);margin:11px 0 8px}
    .post-card p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;color:var(--muted);font-size:13px;line-height:1.65;margin:0 0 13px}
    .post-card .post-meta{margin-top:auto}
    .more-line{display:flex;justify-content:center;margin-top:30px}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-weight:800}
    .text-link:hover{color:var(--coral)}
    .text-link b{font-size:20px;line-height:1;transition:.2s}
    .text-link:hover b{transform:translateX(4px)}
    .filter-panel{padding:25px 28px;border-radius:20px;background:var(--ink);display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
    .filter-copy strong{display:block;color:#fff;font-size:19px;margin-bottom:3px}
    .filter-copy span{color:#bfd9ce;font-size:14px}
    .filter-groups{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
    .filter-chip{border:1px solid rgba(220,239,230,.25);border-radius:999px;color:#d8ebe2;padding:8px 13px;background:transparent;font-size:13px;font-weight:700;transition:.2s}
    .filter-chip:hover,.filter-chip.active{color:var(--ink);background:var(--mint);border-color:var(--mint)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);background:var(--paper);border-radius:22px;overflow:hidden}
    .timeline-item{padding:28px 25px;position:relative;border-right:1px solid var(--line)}
    .timeline-item:last-child{border-right:0}
    .timeline-item:before{content:"";display:block;width:12px;height:12px;border-radius:50%;background:var(--coral);margin-bottom:17px;box-shadow:0 0 0 6px #f9e2dc}
    .timeline-item b{display:block;color:var(--ink);font-size:17px;margin-bottom:8px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .faq-wrap{max-width:890px;margin:auto}
    .faq-item{margin-bottom:11px;border:1px solid var(--line);background:var(--paper);border-radius:14px;overflow:hidden}
    .faq-q{width:100%;border:0;background:none;padding:19px 21px;display:flex;align-items:center;justify-content:space-between;text-align:left;color:var(--ink);font-weight:800;font-size:16px}
    .faq-q span:last-child{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:var(--mint);font-size:21px;font-weight:400;line-height:1;transition:.2s}
    .faq-a{display:none;padding:0 54px 20px 21px;color:var(--muted)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{background:var(--coral);color:#fff;transform:rotate(45deg)}
    .cta-strip{position:relative;padding:49px 54px;border-radius:25px;background:var(--ink);overflow:hidden;display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta-strip:after{content:"J9";position:absolute;right:35px;bottom:-57px;font-size:175px;font-weight:900;letter-spacing:-.14em;color:rgba(220,239,230,.075);line-height:1}
    .cta-strip h2{position:relative;z-index:1;margin:0 0 8px;color:#fff;font-size:33px;letter-spacing:-.04em}
    .cta-strip p{position:relative;z-index:1;margin:0;color:#c5dbd1}
    .cta-strip .btn{position:relative;z-index:1;flex:none}
    .footer{background:var(--ink-deep);color:#d7e4dd;padding:62px 0 22px}
    .footer .brand{color:#fff}
    .footer .brand small{color:#a8d4c0}
    .footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:60px;padding-bottom:42px}
    .footer p{max-width:390px;color:#b9cec4;margin:18px 0 0;font-size:14px}
    .footer h3{font-size:14px;color:#fff;margin:4px 0 16px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#bfd1c8;font-size:14px;transition:.2s}
    .footer-links a:hover{color:#ffad98;transform:translateX(3px)}
    .copyright{padding-top:20px;border-top:1px solid rgba(220,239,230,.15);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#9bb6aa;font-size:12px}
    @media(max-width:1024px){
      .nav{gap:0}.nav a{padding:10px 7px;font-size:13px}.brand{min-width:195px}
      .channel-head{grid-template-columns:1fr 220px;gap:25px}
      .post-grid{grid-template-columns:repeat(2,1fr)}
      .timeline{grid-template-columns:repeat(2,1fr)}
      .timeline-item:nth-child(2){border-right:0}.timeline-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .footer-grid{gap:34px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .header-inner{height:68px;gap:10px}.brand{min-width:0;font-size:14px}.brand small{font-size:8px}.brand-mark{width:32px;height:32px}
      .nav{display:none;position:absolute;left:16px;right:16px;top:68px;padding:12px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;align-items:stretch}
      .nav.show{display:flex}.nav a{padding:11px 12px}.nav a.active:after{left:12px;right:auto;width:22px;bottom:5px}
      .header-action{margin-left:auto;padding:9px 11px;font-size:13px}.menu-btn{display:block}
      .section{padding:58px 0}.section-head{display:block;margin-bottom:23px}
      .channel-hero{padding:39px 0 46px}.channel-head{display:block}.channel-head p{font-size:15px}.news-emblem{width:170px;height:142px;margin:28px 0 0 auto;border-radius:20px}.news-emblem:before{inset:21px 24px 25px}.news-emblem:after{left:39px;top:43px;width:78px;height:8px;box-shadow:0 20px 0 #b8d7c9,0 40px 0 #dce8df}.news-emblem span{right:17px;top:16px;width:40px;height:40px;border-width:6px}
      .featured{grid-template-columns:1fr}.featured-visual{min-height:185px}.featured-body{padding:27px}.featured h2{font-size:25px}
      .filter-panel{grid-template-columns:1fr;padding:23px}.filter-groups{justify-content:flex-start}
      .timeline{grid-template-columns:1fr}.timeline-item,.timeline-item:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.timeline-item:last-child{border-bottom:0}
      .cta-strip{display:block;padding:37px 29px}.cta-strip h2{font-size:27px}.cta-strip .btn{margin-top:22px}
      .footer{padding-top:48px}.footer-grid{grid-template-columns:1fr 1fr;gap:31px}.footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      .header-action{display:none}.channel-head h1{font-size:40px}.post-grid{grid-template-columns:1fr}.post-card{min-height:302px}
      .featured-body{padding:24px 21px}.section-head h2{font-size:28px}.filter-chip{padding:7px 11px}
      .faq-q{padding:17px;font-size:15px}.faq-a{padding:0 18px 18px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-bottom:6px}
    }

/* roulang page: category2 */
:root{--ink:#123e38;--ink-deep:#092b27;--teal:#1d7065;--mint:#dcefe6;--coral:#ec7257;--coral-dark:#ce573f;--sand:#f4ede2;--cream:#fbf9f4;--paper:#fffdf9;--graphite:#263330;--muted:#68736e;--line:#dce2d9;--white:#fff;--radius:20px;--radius-sm:14px;--shadow:0 15px 40px rgba(27,48,42,.09);--shadow-hover:0 20px 46px rgba(18,62,56,.16);--max:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--graphite);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.72}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(18,62,56,.1)}
    .header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px;color:var(--ink);font-weight:800;line-height:1.18}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:14px;letter-spacing:-1px;box-shadow:inset 0 -5px 0 rgba(0,0,0,.14)}
    .brand small{display:block;font-size:10px;letter-spacing:.1em;color:var(--teal);margin-top:2px}
    .nav{display:flex;align-items:center;gap:5px}
    .nav a{position:relative;padding:10px 11px;color:#45524d;font-weight:650;font-size:14px;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:5px;background:var(--coral)}
    .header-action{padding:10px 15px;border-radius:11px;background:var(--coral);color:#fff;font-weight:800;font-size:14px;transition:.2s}
    .header-action:hover{background:var(--coral-dark);transform:translateY(-1px);color:#fff}
    .menu-btn{display:none;border:0;background:var(--mint);color:var(--ink);border-radius:10px;width:42px;height:42px;font-size:20px}
    main{overflow:hidden}
    .section{padding:78px 0}
    .section-sand{background:var(--sand)}
    .section-dark{background:var(--ink);color:#fff}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}
    .section-head h2{margin:0;color:var(--ink);font-size:clamp(27px,3vw,39px);line-height:1.18;letter-spacing:-.045em}
    .section-head p{max-width:590px;margin:8px 0 0;color:var(--muted)}
    .section-dark .section-head h2{color:#fff}
    .section-dark .section-head p{color:#cfe1d8}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid #b8d8c9;border-radius:999px;background:#edf7f0;color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.08em}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}
    .btn{min-height:47px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 18px;border:1px solid transparent;border-radius:12px;font-weight:800;transition:transform .2s,background .2s,border .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,.faq-q:focus{outline:3px solid rgba(236,114,87,.35);outline-offset:3px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(236,114,87,.22)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
    .btn-outline:hover{background:var(--ink);color:#fff}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-weight:800}
    .text-link b{font-size:19px;transition:.2s}
    .text-link:hover{color:var(--coral)}
    .text-link:hover b{transform:translateX(4px)}
    .channel-hero{position:relative;padding:64px 0 57px;background:linear-gradient(120deg,#e8f2eb 0%,#fffdf9 53%,#f5e8dd 100%);border-bottom:1px solid var(--line);overflow:hidden}
    .channel-hero:before{content:"";position:absolute;width:460px;height:460px;right:-100px;top:-235px;border:38px solid rgba(29,112,101,.11);border-radius:50%}
    .channel-hero:after{content:"";position:absolute;width:240px;height:240px;right:14%;bottom:-160px;border:2px dashed rgba(236,114,87,.34);border-radius:50%}
    .crumbs{display:flex;flex-wrap:wrap;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:23px}
    .crumbs span{color:#a1aaa5}
    .crumbs strong{color:var(--ink)}
    .channel-hero-grid{display:grid;grid-template-columns:1fr 310px;gap:70px;align-items:center;position:relative;z-index:1}
    .channel-hero h1{margin:15px 0 14px;font-size:clamp(39px,5vw,62px);line-height:1.08;letter-spacing:-.06em;color:var(--ink)}
    .channel-hero p{max-width:680px;margin:0;color:#4f615a;font-size:17px}
    .news-orbit{height:225px;position:relative;border-radius:26px;background:var(--ink);box-shadow:var(--shadow);overflow:hidden}
    .news-orbit:before,.news-orbit:after{content:"";position:absolute;border:1px solid rgba(216,238,227,.3);border-radius:50%}
    .news-orbit:before{width:330px;height:330px;left:-66px;top:-125px}
    .news-orbit:after{width:190px;height:190px;right:-50px;bottom:-72px}
    .orbit-card{position:absolute;background:var(--paper);color:var(--ink);border-radius:13px;padding:12px;box-shadow:0 12px 25px rgba(0,0,0,.17);font-size:12px;font-weight:800;line-height:1.4}
    .orbit-card.one{left:28px;top:40px;width:166px}
    .orbit-card.two{right:22px;bottom:31px;width:143px;background:var(--coral);color:#fff}
    .orbit-line{position:absolute;left:43px;bottom:35px;width:136px;height:8px;border-radius:20px;background:#92c8b1}
    .orbit-line:after{content:"";display:block;width:72px;height:8px;margin-top:14px;border-radius:20px;background:rgba(255,255,255,.32)}
    .feature-news{display:grid;grid-template-columns:1.08fr .92fr;min-height:375px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper);box-shadow:var(--shadow)}
    .feature-visual{position:relative;padding:33px;background:linear-gradient(145deg,#15584e,#0a302b);overflow:hidden}
    .feature-visual:before{content:"";position:absolute;width:350px;height:350px;right:-125px;top:-130px;border:32px solid rgba(202,239,220,.13);border-radius:50%}
    .feature-visual:after{content:"";position:absolute;left:33px;right:33px;bottom:38px;height:87px;border-radius:17px;background:linear-gradient(90deg,rgba(255,255,255,.18),rgba(255,255,255,.05));border:1px solid rgba(255,255,255,.14)}
    .visual-chip{position:relative;z-index:1;display:inline-block;color:#caeadb;font-size:12px;font-weight:800;letter-spacing:.08em}
    .visual-title{position:relative;z-index:1;max-width:310px;margin:47px 0 0;color:#fff;font-size:30px;line-height:1.22;font-weight:900}
    .visual-bars{position:absolute;z-index:2;bottom:58px;left:54px;right:54px;display:flex;align-items:end;gap:8px;height:45px}
    .visual-bars i{display:block;width:18%;border-radius:6px 6px 2px 2px;background:#9bd1b9}
    .visual-bars i:nth-child(1){height:38%}.visual-bars i:nth-child(2){height:75%;background:var(--coral)}.visual-bars i:nth-child(3){height:55%}.visual-bars i:nth-child(4){height:100%;background:#dbeee4}
    .feature-copy{padding:41px 42px;display:flex;flex-direction:column;justify-content:center}
    .badge{display:inline-flex;width:max-content;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;background:#fcede7;color:#ae4e3b;font-size:12px;font-weight:800}
    .feature-copy h3{margin:15px 0 12px;color:var(--ink);font-size:29px;line-height:1.28;letter-spacing:-.04em}
    .feature-copy p{margin:0 0 23px;color:var(--muted)}
    .meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}
    .meta span+span:before{content:"";display:inline-block;width:4px;height:4px;margin:0 12px 2px 0;border-radius:50%;background:#a7b2ac}
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .news-card{display:flex;flex-direction:column;min-height:325px;padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:0 8px 22px rgba(18,62,56,.045);transition:.25s}
    .news-card:hover{transform:translateY(-4px);border-color:#a9d2bf;box-shadow:var(--shadow-hover)}
    .card-art{position:relative;height:112px;margin-bottom:18px;border-radius:13px;overflow:hidden;background:#d8ebe0}
    .card-art:before,.card-art:after{content:"";position:absolute;border-radius:50%}
    .card-art:before{width:155px;height:155px;right:-35px;top:-69px;border:22px solid rgba(255,255,255,.55)}
    .card-art:after{width:65px;height:65px;left:22px;bottom:-27px;background:rgba(18,62,56,.22)}
    .art-coral{background:linear-gradient(135deg,#ee947c,#dd604b)}
    .art-mint{background:linear-gradient(135deg,#b9dfcc,#5b9d88)}
    .art-ink{background:linear-gradient(135deg,#174b44,#236d61)}
    .art-sand{background:linear-gradient(135deg,#f0d8b9,#d59b76)}
    .card-label{display:inline-flex;align-self:flex-start;padding:4px 9px;border-radius:999px;background:var(--mint);color:var(--ink);font-size:11px;font-weight:800}
    .news-card h3{margin:12px 0 9px;color:var(--ink);font-size:18px;line-height:1.45;letter-spacing:-.02em}
    .news-card p{display:-webkit-box;overflow:hidden;margin:0;color:var(--muted);font-size:13px;line-height:1.7;-webkit-box-orient:vertical;-webkit-line-clamp:3}
    .card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:18px}
    .card-bottom time{color:var(--muted);font-size:12px}
    .card-arrow{width:33px;height:33px;display:grid;place-items:center;border-radius:10px;background:#eff5f0;color:var(--ink);font-weight:900;transition:.2s}
    .news-card:hover .card-arrow{background:var(--coral);color:#fff;transform:translateX(3px)}
    .more-row{text-align:center;margin-top:30px}
    .filter-panel{display:grid;grid-template-columns:.78fr 1.22fr;gap:22px;align-items:center;padding:30px 34px;border:1px solid #d8e2da;border-radius:var(--radius);background:var(--paper)}
    .filter-panel h2{margin:0;color:var(--ink);font-size:24px;line-height:1.3}
    .filter-panel p{margin:6px 0 0;color:var(--muted)}
    .filter-groups{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px}
    .filter-tag{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#52605a;font-size:13px;font-weight:750;transition:.2s}
    .filter-tag:hover,.filter-tag.active{border-color:var(--teal);background:var(--ink);color:#fff}
    .timeline-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:center}
    .timeline-intro h2{margin:0 0 15px;color:var(--ink);font-size:clamp(28px,3.3vw,42px);line-height:1.2;letter-spacing:-.05em}
    .timeline-intro p{margin:0;color:var(--muted)}
    .timeline{position:relative;padding-left:29px}
    .timeline:before{content:"";position:absolute;left:7px;top:9px;bottom:9px;width:2px;background:#bbd8c9}
    .timeline-item{position:relative;padding:0 0 25px 22px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-1px;top:6px;width:17px;height:17px;border:4px solid var(--cream);border-radius:50%;background:var(--coral);box-shadow:0 0 0 2px #a9d0bd}
    .timeline-item strong{display:block;color:var(--ink);font-size:17px}
    .timeline-item p{margin:4px 0 0;color:var(--muted);font-size:14px}
    .scene-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;gap:16px}
    .scene-card{min-height:198px;padding:24px;border-radius:18px;background:var(--paper);border:1px solid var(--line);transition:.25s}
    .scene-card:hover{transform:translateY(-4px);border-color:#acd3c0;box-shadow:var(--shadow)}
    .scene-card:first-child{background:var(--ink);color:#fff}
    .scene-icon{width:42px;height:42px;display:grid;place-items:center;margin-bottom:26px;border-radius:13px;background:var(--mint);color:var(--ink);font-size:20px;font-weight:900}
    .scene-card:first-child .scene-icon{background:rgba(255,255,255,.15);color:#ccebdc}
    .scene-card h3{margin:0 0 8px;color:var(--ink);font-size:19px}
    .scene-card:first-child h3{color:#fff;font-size:23px}
    .scene-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .scene-card:first-child p{color:#d2e3da}
    .faq-wrap{max-width:900px;margin:auto}
    .faq-item{margin-bottom:12px;border:1px solid rgba(221,239,229,.22);border-radius:15px;background:rgba(255,255,255,.08);overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 20px;border:0;background:transparent;color:#fff;text-align:left;font-weight:800}
    .faq-q span:last-child{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;background:rgba(220,239,230,.14);font-size:20px;transition:.2s}
    .faq-q[aria-expanded="true"] span:last-child{background:var(--coral);transform:rotate(45deg)}
    .faq-a{display:none;padding:0 58px 20px 20px;color:#d1e1d9;font-size:14px}
    .faq-item.open .faq-a{display:block}
    .cta-band{display:grid;grid-template-columns:1fr auto;gap:35px;align-items:center;padding:42px 47px;border-radius:24px;background:linear-gradient(125deg,#0a302b,#19584f);color:#fff;overflow:hidden;position:relative}
    .cta-band:after{content:"";position:absolute;width:250px;height:250px;right:170px;top:-155px;border:35px solid rgba(205,239,220,.1);border-radius:50%}
    .cta-band h2{position:relative;z-index:1;margin:0 0 8px;font-size:31px;line-height:1.25;letter-spacing:-.04em}
    .cta-band p{position:relative;z-index:1;max-width:650px;margin:0;color:#cae0d5}
    .cta-band .btn{position:relative;z-index:1;white-space:nowrap}
    .footer{padding:63px 0 23px;background:var(--ink-deep);color:#d6e4dc}
    .footer-grid{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:58px;padding-bottom:42px}
    .footer .brand{color:#fff}
    .footer .brand small{color:#a8d4be}
    .footer p{max-width:430px;margin:18px 0 0;color:#abc5b9;font-size:14px}
    .footer h3{margin:5px 0 16px;color:#fff;font-size:15px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#b9cec3;font-size:14px;transition:.2s}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid rgba(217,239,228,.15);color:#93afa2;font-size:12px}
    @media (max-width:1024px){
      .nav{gap:0}.nav a{padding:10px 7px;font-size:13px}.brand{min-width:195px}
      .channel-hero-grid,.timeline-layout{gap:36px}.news-grid{grid-template-columns:repeat(2,1fr)}
      .scene-grid{grid-template-columns:repeat(2,1fr)}.scene-card:first-child{grid-column:span 2}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--max))}.header-inner{height:68px;gap:12px}.brand{min-width:0;font-size:14px}.brand small{font-size:8px}
      .nav{display:none;position:absolute;top:68px;left:16px;right:16px;padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:11px 13px}.nav a.active:after{left:13px;right:auto;bottom:6px;width:28px}.header-action{margin-left:auto;padding:9px 12px;font-size:13px}.menu-btn{display:block}
      .section{padding:58px 0}.channel-hero{padding:40px 0}.channel-hero-grid,.feature-news,.filter-panel,.timeline-layout,.cta-band{grid-template-columns:1fr}.channel-hero-grid{gap:28px}.news-orbit{height:175px}.channel-hero p{font-size:15px}.section-head{align-items:flex-start;flex-direction:column}.feature-visual{min-height:260px}.feature-copy{padding:30px}.filter-groups{justify-content:flex-start}.timeline-layout{gap:30px}.footer-grid{grid-template-columns:1fr 1fr;gap:34px}.footer-grid>div:first-child{grid-column:span 2}.copyright{flex-direction:column}
    }
    @media (max-width:520px){
      body{font-size:14px}.header-action{display:none}.channel-hero h1{font-size:40px}.news-grid,.scene-grid{grid-template-columns:1fr}.scene-card:first-child{grid-column:auto}.news-card{min-height:302px}.feature-copy h3{font-size:25px}.filter-panel{padding:24px}.filter-tag{padding:7px 10px}.cta-band{padding:30px 25px}.cta-band h2{font-size:27px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer{padding-top:48px}
    }

/* roulang page: category3 */
:root{--ink:#123e38;--ink-deep:#092b27;--teal:#1d7065;--mint:#dcefe6;--coral:#ec7257;--coral-dark:#ce573f;--sand:#f4ede2;--cream:#fbf9f4;--paper:#fffdf9;--graphite:#263330;--muted:#68736e;--line:#dce2d9;--white:#fff;--radius:20px;--radius-sm:14px;--shadow:0 15px 40px rgba(27,48,42,.09);--shadow-hover:0 20px 46px rgba(18,62,56,.16);--max:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--graphite);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:15px;line-height:1.72}
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.95);backdrop-filter:blur(16px);border-bottom:1px solid rgba(18,62,56,.1)}
    .header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px;color:var(--ink);font-weight:800;line-height:1.18}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:14px;letter-spacing:-1px;box-shadow:inset 0 -5px 0 rgba(0,0,0,.14)}
    .brand small{display:block;font-size:10px;letter-spacing:.1em;color:var(--teal);margin-top:2px}
    .nav{display:flex;align-items:center;gap:5px}
    .nav a{position:relative;padding:10px 11px;color:#45524d;font-weight:650;font-size:14px;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:5px;background:var(--coral)}
    .header-action{padding:10px 15px;border-radius:11px;background:var(--coral);color:#fff;font-weight:800;font-size:14px;transition:.2s}
    .header-action:hover{background:var(--coral-dark);transform:translateY(-1px);color:#fff}
    .menu-btn{display:none;border:0;background:var(--mint);color:var(--ink);border-radius:10px;width:42px;height:42px;font-size:20px}
    main{overflow:hidden}
    .page-head{position:relative;background:var(--ink-deep);color:#fff;padding:58px 0 64px;isolation:isolate}
    .page-head:before{content:"";position:absolute;right:-100px;top:-210px;width:560px;height:560px;border:1px solid rgba(216,242,228,.2);border-radius:50%;box-shadow:0 0 0 55px rgba(216,242,228,.035),0 0 0 110px rgba(216,242,228,.025);z-index:-1}
    .page-head:after{content:"";position:absolute;inset:0;opacity:.25;background-image:radial-gradient(rgba(255,255,255,.4) .7px,transparent .7px);background-size:9px 9px;mask-image:linear-gradient(90deg,#000,transparent);z-index:-1}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:#b8d6c9;font-size:13px;margin-bottom:28px}
    .breadcrumb a:hover{color:#fff}
    .breadcrumb span:last-child{color:#fff}
    .head-grid{display:grid;grid-template-columns:1fr 330px;gap:70px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(207,239,225,.12);border:1px solid rgba(207,239,225,.22);color:#d8eee3;padding:7px 12px;border-radius:999px;font-size:12px;font-weight:750;letter-spacing:.08em}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}
    h1{font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:-.055em;margin:17px 0 16px;color:#fff}
    .head-copy{max-width:680px;color:#d2e1da;font-size:17px;margin:0}
    .download-orbit{height:245px;border-radius:28px;background:linear-gradient(145deg,#205f54,#0c3530);border:1px solid rgba(211,242,226,.2);position:relative;overflow:hidden;box-shadow:var(--shadow)}
    .download-orbit:before,.download-orbit:after{content:"";position:absolute;border:1px solid rgba(224,247,234,.25);border-radius:50%}
    .download-orbit:before{width:270px;height:270px;top:-65px;left:30px}
    .download-orbit:after{width:175px;height:175px;right:-25px;bottom:-55px}
    .device-symbol{position:absolute;z-index:1;left:50%;top:50%;transform:translate(-50%,-50%);width:116px;height:174px;border:7px solid #d9eee2;border-radius:20px;background:#174e46;box-shadow:0 0 0 8px rgba(217,238,226,.09)}
    .device-symbol:before{content:"J9";display:grid;place-items:center;width:52px;height:52px;margin:31px auto 12px;border-radius:16px;background:var(--coral);color:#fff;font-size:22px;font-weight:900}
    .device-symbol:after{content:"•••";display:block;color:#b9dfce;text-align:center;letter-spacing:6px}
    .orbit-tag{position:absolute;z-index:2;padding:8px 12px;background:#fffdf9;color:var(--ink);border-radius:10px;font-size:12px;font-weight:800;box-shadow:var(--shadow)}
    .orbit-tag.one{left:18px;top:32px}.orbit-tag.two{right:16px;bottom:29px}
    .section{padding:78px 0}
    .section-sand{background:var(--sand)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section-head h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.04em;line-height:1.2;margin:0;color:var(--ink)}
    .section-head p{margin:7px 0 0;color:var(--muted);max-width:650px}
    .section-kicker{color:var(--coral-dark);font-size:12px;font-weight:850;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}
    .feature-card{display:grid;grid-template-columns:270px 1fr;min-height:220px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s}
    .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#a8cfc0}
    .cover-art{position:relative;background:linear-gradient(140deg,#1b665a,#0b3530);min-height:220px;overflow:hidden}
    .cover-art:before{content:"";position:absolute;width:230px;height:230px;right:-80px;top:-75px;border:25px solid rgba(213,240,225,.15);border-radius:50%}
    .cover-art:after{content:"APP";position:absolute;left:24px;bottom:20px;color:rgba(255,255,255,.88);font-size:31px;font-weight:900;letter-spacing:.08em}
    .feature-content{padding:29px 32px}
    .tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--mint);color:var(--teal);font-size:12px;font-weight:800}
    .feature-content h3{font-size:25px;line-height:1.35;color:var(--ink);margin:14px 0 8px}
    .feature-content p{color:var(--muted);margin:0 0 17px;max-width:700px}
    .meta{display:flex;gap:14px;flex-wrap:wrap;color:#7b8580;font-size:12px}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-weight:800}
    .text-link:hover{color:var(--coral)}
    .text-link b{transition:.2s}.text-link:hover b{transform:translateX(4px)}
    .list-layout{display:grid;grid-template-columns:1fr 280px;gap:22px;align-items:start}
    .download-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .download-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:22px;transition:.25s;position:relative}
    .download-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#9fcbbc}
    .app-top{display:flex;align-items:center;gap:14px;margin-bottom:15px}
    .app-icon{width:49px;height:49px;border-radius:15px;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:inset 0 -5px 0 rgba(0,0,0,.14)}
    .download-card h3{font-size:18px;color:var(--ink);margin:0 0 2px}
    .version{color:var(--muted);font-size:12px}
    .download-card p{color:var(--muted);font-size:14px;margin:14px 0 18px}
    .chips{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:18px}
    .chip{border:1px solid var(--line);border-radius:999px;padding:4px 9px;color:var(--teal);font-size:11px;background:#fff}
    .btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:10px 16px;font-weight:800;transition:transform .2s,background .2s,border .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus,.faq-q:focus,select:focus{outline:3px solid rgba(236,114,87,.35);outline-offset:3px}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(236,114,87,.2)}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
    .btn-outline:hover{background:var(--ink);color:#fff}
    .side-panel{background:var(--ink);color:#fff;border-radius:var(--radius);padding:25px;position:sticky;top:98px}
    .side-panel h3{font-size:20px;margin:0 0 12px}
    .side-panel p{color:#c9ddd4;font-size:14px;margin:0 0 20px}
    .side-row{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid rgba(218,241,228,.16);font-size:13px}
    .side-row span:last-child{color:#b8e1ce}
    .more-row{display:flex;justify-content:center;margin-top:28px}
    .filter-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 20px;background:var(--paper);border:1px solid var(--line);border-radius:15px}
    .filter-label{font-weight:800;color:var(--ink)}
    .filter-options{display:flex;gap:8px;flex-wrap:wrap}
    .filter-options span{padding:7px 13px;border-radius:9px;background:#f1f4ef;color:var(--muted);font-size:13px}
    .filter-options span.active{background:var(--mint);color:var(--ink);font-weight:800}
    .scene-band{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center}
    .scene-copy h2{font-size:34px;line-height:1.25;color:var(--ink);margin:0 0 13px}
    .scene-copy p{color:var(--muted);max-width:570px}
    .scene-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .scene-point{padding:19px;background:var(--paper);border-radius:16px;border:1px solid var(--line)}
    .scene-point strong{display:block;color:var(--ink);font-size:16px;margin-bottom:4px}
    .scene-point span{display:block;color:var(--muted);font-size:13px}
    .faq-list{max-width:900px;margin:auto;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;border:0;background:transparent;color:var(--ink);padding:20px 4px;font-weight:800}
    .faq-q .sign{font-size:24px;color:var(--coral);font-weight:400;transition:.2s}
    .faq-a{display:none;color:var(--muted);padding:0 42px 20px 4px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .sign{transform:rotate(45deg)}
    .cta{background:var(--ink-deep);color:#fff;padding:55px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:34px;line-height:1.25;margin:0 0 8px}
    .cta p{color:#c9ddd4;margin:0;max-width:650px}
    .footer{background:var(--ink);color:#fff;padding:60px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:50px;padding-bottom:42px}
    .footer .brand{color:#fff}.footer .brand small{color:#a9d4c2}
    .footer p{color:#c2d4cd;max-width:390px;margin:18px 0 0;font-size:14px}
    .footer h3{font-size:15px;margin:4px 0 15px;color:#fff}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#c2d4cd;font-size:13px}.footer-links a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(220,242,230,.16);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#a8beb5;font-size:12px;flex-wrap:wrap}
    .empty-state{grid-column:1/-1;padding:42px 25px;text-align:center;background:var(--paper);border:1px dashed #b8cfc3;border-radius:18px;color:var(--muted)}
    .empty-state strong{display:block;color:var(--ink);font-size:17px;margin-bottom:5px}
    @media(max-width:1024px){.nav{gap:0}.nav a{padding:10px 7px}.header-inner{gap:12px}.head-grid{gap:35px}.list-layout{grid-template-columns:1fr}.side-panel{position:static}.download-list{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.header-inner{height:68px}.brand{min-width:0;font-size:14px}.brand small{font-size:9px}.nav{display:none;position:absolute;top:68px;left:16px;right:16px;padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.nav a.active:after{display:none}.header-action{display:none}.menu-btn{display:block}.page-head{padding:42px 0 50px}.head-grid,.scene-band{grid-template-columns:1fr}.download-orbit{height:210px;max-width:420px}.section{padding:58px 0}.feature-card{grid-template-columns:1fr}.cover-art{min-height:145px}.feature-content{padding:23px}.cta-inner{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}}
    @media(max-width:520px){h1{font-size:39px}.head-copy{font-size:15px}.download-list{grid-template-columns:1fr}.filter-bar{align-items:flex-start;flex-direction:column}.scene-points{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-bottom:7px}.feature-content h3{font-size:21px}}

/* roulang page: category4 */
:root{--ink:#123e38;--ink-deep:#092b27;--teal:#1d7065;--mint:#dcefe6;--coral:#ec7257;--coral-dark:#ce573f;--sand:#f4ede2;--cream:#fbf9f4;--paper:#fffdf9;--graphite:#263330;--muted:#68736e;--line:#dce2d9;--white:#fff;--radius:20px;--radius-sm:14px;--shadow:0 15px 40px rgba(27,48,42,.09);--shadow-hover:0 20px 46px rgba(18,62,56,.16);--max:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--graphite);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.72;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.95);backdrop-filter:blur(16px);border-bottom:1px solid rgba(18,62,56,.1)}
    .header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px;color:var(--ink);font-weight:800;line-height:1.18}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:14px;letter-spacing:-1px;box-shadow:inset 0 -5px 0 rgba(0,0,0,.14)}
    .brand small{display:block;font-size:10px;letter-spacing:.1em;color:var(--teal);margin-top:2px}
    .nav{display:flex;align-items:center;gap:5px}
    .nav a{position:relative;padding:10px 11px;color:#45524d;font-weight:650;font-size:14px;white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:5px;background:var(--coral)}
    .header-action{padding:10px 15px;border-radius:11px;background:var(--coral);color:#fff;font-weight:800;font-size:14px;transition:.2s}
    .header-action:hover{background:var(--coral-dark);transform:translateY(-1px)}
    .menu-btn{display:none;border:0;background:var(--mint);color:var(--ink);border-radius:10px;width:42px;height:42px;font-size:20px}
    main{overflow:hidden}
    .page-head{padding:55px 0 46px;background:var(--sand);position:relative}
    .page-head:after{content:"";position:absolute;right:8%;top:20px;width:250px;height:250px;border:18px solid rgba(29,112,101,.1);border-radius:50%;box-shadow:0 0 0 35px rgba(29,112,101,.05)}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:22px}
    .breadcrumb a:hover{color:var(--ink)}
    .breadcrumb span:last-child{color:var(--ink);font-weight:700}
    .head-grid{display:grid;grid-template-columns:1fr 310px;gap:45px;align-items:end;position:relative;z-index:1}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;background:rgba(29,112,101,.1);border:1px solid rgba(29,112,101,.18);color:var(--teal);padding:7px 12px;border-radius:999px;font-size:12px;font-weight:750;letter-spacing:.08em}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}
    .page-head h1{font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:-.055em;color:var(--ink);margin:17px 0 14px}
    .page-head p{max-width:680px;color:var(--muted);font-size:17px;margin:0}
    .path-visual{height:165px;border-radius:24px;background:var(--ink);padding:22px;color:#fff;position:relative;overflow:hidden}
    .path-visual:before{content:"";position:absolute;width:300px;height:120px;left:15px;top:38px;border:2px dashed rgba(216,238,227,.35);border-radius:50%}
    .path-visual .node{position:absolute;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--coral);font-weight:900;box-shadow:0 0 0 8px rgba(236,114,87,.16)}
    .path-visual .n1{left:28px;top:28px}.path-visual .n2{left:116px;top:91px}.path-visual .n3{right:68px;top:43px}
    .path-visual strong{position:absolute;bottom:19px;left:22px;font-size:14px;color:#d9eee5}
    .section{padding:76px 0}
    .section-sand{background:var(--sand)}
    .section-dark{background:var(--ink);color:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section-head h2{font-size:clamp(26px,3vw,39px);letter-spacing:-.04em;line-height:1.2;margin:0;color:var(--ink)}
    .section-head p{margin:7px 0 0;color:var(--muted);max-width:620px}
    .section-dark .section-head h2{color:#fff}.section-dark .section-head p{color:#c9ddd4}
    .feature{display:grid;grid-template-columns:1.08fr .92fr;gap:24px;background:var(--ink);color:#fff;border-radius:var(--radius);padding:30px;min-height:235px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .feature:after{content:"";position:absolute;width:300px;height:300px;border:28px solid rgba(216,238,227,.09);border-radius:50%;right:-90px;bottom:-150px}
    .feature h3{font-size:28px;line-height:1.25;margin:13px 0 10px;position:relative;z-index:1}
    .feature p{color:#c8ded4;max-width:600px;margin:0;position:relative;z-index:1}
    .feature-meta,.card-meta{display:flex;gap:9px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .feature .feature-meta{color:#b8d5c9}.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--mint);color:var(--ink);font-size:12px;font-weight:800}
    .feature .tag{background:rgba(216,238,227,.14);color:#d8eee3}
    .arrow-link{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-weight:800;margin-top:22px}
    .arrow-link:hover{color:#ff9b83}.arrow-link b{transition:.2s}.arrow-link:hover b{transform:translateX(4px)}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .guide-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;min-height:220px;transition:.25s;display:flex;flex-direction:column}
    .guide-card:hover{transform:translateY(-4px);border-color:#a5cfc0;box-shadow:var(--shadow-hover)}
    .guide-number{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:var(--mint);color:var(--ink);font-weight:900;font-size:17px}
    .guide-card h3{font-size:20px;line-height:1.35;color:var(--ink);margin:19px 0 9px}
    .guide-card p{color:var(--muted);margin:0;font-size:14px}
    .guide-card .arrow-link{margin-top:auto;font-size:14px}
    .filter-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:25px;padding:14px 17px;border:1px solid var(--line);border-radius:15px;background:rgba(255,253,249,.72)}
    .filter-label{font-weight:800;color:var(--ink)}
    .filter-list{display:flex;gap:8px;flex-wrap:wrap}.filter-list span{padding:7px 12px;border-radius:9px;background:#fff;color:var(--muted);font-size:13px}.filter-list span.active{background:var(--ink);color:#fff}
    .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .article-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;min-height:285px;transition:.25s}
    .article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#a5cfc0}
    .article-cover{height:96px;background:linear-gradient(135deg,var(--ink),var(--teal));position:relative;overflow:hidden}
    .article-cover:after{content:"";position:absolute;width:150px;height:150px;right:-35px;top:-75px;border:18px solid rgba(255,255,255,.15);border-radius:50%}
    .article-body{padding:19px;display:flex;flex-direction:column;flex:1}
    .article-card h3{font-size:18px;line-height:1.4;color:var(--ink);margin:12px 0 7px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .article-card p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    .article-card .arrow-link{font-size:13px;margin-top:auto}
    .empty-state{padding:45px;text-align:center;border:1px dashed #b9cfc5;border-radius:18px;background:rgba(255,253,249,.6);color:var(--muted)}
    .empty-icon{font-size:30px;color:var(--teal);margin-bottom:7px}
    .support-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
    .support-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:29px}
    .support-panel h3{margin:0 0 10px;color:var(--ink);font-size:23px}
    .support-panel p{color:var(--muted);margin:0}
    .support-list{display:grid;gap:12px;margin-top:22px}.support-item{display:flex;gap:14px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--line)}.support-item:last-child{border-bottom:0}
    .support-icon{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:var(--mint);color:var(--ink);display:grid;place-items:center;font-weight:900}
    .support-item strong{display:block;color:var(--ink);font-size:15px}.support-item span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
    .faq-list{max-width:850px;margin:auto;border-top:1px solid rgba(216,238,227,.22)}
    .faq-item{border-bottom:1px solid rgba(216,238,227,.22)}.faq-q{width:100%;border:0;background:transparent;color:#fff;text-align:left;padding:19px 0;display:flex;justify-content:space-between;gap:20px;font-weight:800}.faq-q span:last-child{color:var(--coral);font-size:22px;line-height:1}.faq-a{display:none;color:#c9ddd4;padding:0 35px 20px 0;font-size:14px}.faq-item.open .faq-a{display:block}
    .cta{background:var(--ink-deep);color:#fff;padding:42px 45px;border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:25px;position:relative;overflow:hidden}.cta:after{content:"";position:absolute;right:-40px;top:-100px;width:260px;height:260px;border:25px solid rgba(216,238,227,.1);border-radius:50%}.cta h2{margin:0 0 8px;font-size:30px;position:relative;z-index:1}.cta p{margin:0;color:#c9ddd4;position:relative;z-index:1}.btn{min-height:47px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:12px;padding:11px 18px;font-weight:800;transition:.2s;position:relative;z-index:2}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(236,114,87,.24)}.btn-primary:hover{background:var(--coral-dark)}.btn-light{border-color:rgba(221,244,232,.42);color:#e7f5ed;background:rgba(255,255,255,.05)}
    .footer{background:var(--ink-deep);color:#d5e5dd;padding:56px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:55px}.footer .brand{color:#fff}.footer .brand small{color:#a9d4c1}.footer p{color:#a9beb5;max-width:430px;margin:18px 0 0}.footer h3{font-size:15px;color:#fff;margin:3px 0 15px}.footer-links{display:grid;gap:9px}.footer-links a{color:#a9beb5;font-size:14px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(216,238,227,.15);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#8fa9a0;font-size:12px}
    @media(max-width:1024px){.nav{gap:0}.nav a{padding-left:8px;padding-right:8px;font-size:13px}.head-grid{grid-template-columns:1fr 260px}.guide-grid,.article-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.header-inner{height:68px}.nav{display:none;position:absolute;top:68px;left:16px;right:16px;background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.nav a.active:after{left:14px;right:auto;width:28px;bottom:5px}.header-action{margin-left:auto}.menu-btn{display:block}.page-head{padding:40px 0 35px}.head-grid,.feature,.support-layout{grid-template-columns:1fr;gap:25px}.path-visual{max-width:360px}.section{padding:58px 0}.section-head{display:block}.section-head h2{margin-bottom:8px}.filter-bar{align-items:flex-start;flex-direction:column}.cta{display:block;padding:32px 25px}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}}
    @media(max-width:520px){.brand{min-width:0;font-size:14px}.brand small{font-size:9px}.header-action{font-size:12px;padding:9px 10px}.page-head h1{font-size:38px}.page-head p{font-size:15px}.guide-grid,.article-grid{grid-template-columns:1fr}.feature{padding:23px}.feature h3{font-size:23px}.guide-card{min-height:190px}.support-panel{padding:22px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-bottom:6px}}